From 87d546d8805006504d49a12bcd69c0f7fd809f2c Mon Sep 17 00:00:00 2001 From: Tim Gardner Date: Wed, 17 Aug 2016 08:26:11 -0600 Subject: [PATCH] UBUNTU: SAUCE: (noup) Update spl to 0.6.5.9-1, zfs to 0.6.5.9-2 Signed-off-by: Colin Ian King Signed-off-by: Tim Gardner --- spl/AUTHORS | 25 + spl/COPYING | 339 + spl/DISCLAIMER | 24 + spl/META | 8 + spl/Makefile.am | 54 + spl/Makefile.in | 1182 + spl/aclocal.m4 | 1195 + spl/autogen.sh | 4 + spl/cmd/Makefile.am | 11 + spl/cmd/Makefile.in | 703 + spl/cmd/splat.c | 836 + spl/cmd/splat.h | 70 + spl/config/Rules.am | 14 + spl/config/compile | 347 + spl/config/config.awk | 15 + spl/config/config.guess | 1462 + spl/config/config.sub | 1825 + spl/config/deb.am | 51 + spl/config/depcomp | 791 + spl/config/install-sh | 508 + spl/config/libtool.m4 | 8387 ++++ spl/config/ltmain.sh | 11156 +++++ spl/config/ltoptions.m4 | 437 + spl/config/ltsugar.m4 | 124 + spl/config/ltversion.m4 | 23 + spl/config/lt~obsolete.m4 | 99 + spl/config/missing | 215 + spl/config/rpm.am | 87 + spl/config/spl-build.m4 | 1599 + spl/config/spl-meta.m4 | 162 + spl/config/tgz.am | 44 + spl/configure | 20644 +++++++++ spl/configure.ac | 84 + spl/copy-builtin | 126 + spl/cp | 2 + spl/dkms.conf | 36 + spl/include/Makefile.am | 18 + spl/include/Makefile.in | 743 + spl/include/fs/Makefile.am | 13 + spl/include/fs/Makefile.in | 621 + spl/include/fs/fs_subr.h | 28 + spl/include/linux/Makefile.am | 23 + spl/include/linux/Makefile.in | 641 + spl/include/linux/bitops_compat.h | 31 + spl/include/linux/compiler_compat.h | 47 + spl/include/linux/delay_compat.h | 47 + spl/include/linux/file_compat.h | 100 + spl/include/linux/list_compat.h | 51 + spl/include/linux/math64_compat.h | 32 + spl/include/linux/mm_compat.h | 209 + spl/include/linux/proc_compat.h | 35 + spl/include/linux/rwsem_compat.h | 62 + spl/include/linux/wait_compat.h | 46 + spl/include/linux/zlib_compat.h | 37 + spl/include/rpc/Makefile.am | 14 + spl/include/rpc/Makefile.in | 623 + 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| 42 + spl/include/sys/kstat.h | 202 + spl/include/sys/list.h | 219 + spl/include/sys/mkdev.h | 28 + spl/include/sys/mntent.h | 28 + spl/include/sys/modctl.h | 28 + spl/include/sys/mode.h | 32 + spl/include/sys/mount.h | 28 + spl/include/sys/mutex.h | 159 + spl/include/sys/note.h | 28 + spl/include/sys/open.h | 28 + spl/include/sys/param.h | 36 + spl/include/sys/pathname.h | 35 + spl/include/sys/policy.h | 47 + spl/include/sys/pool.h | 30 + spl/include/sys/priv_impl.h | 28 + spl/include/sys/proc.h | 28 + spl/include/sys/processor.h | 32 + spl/include/sys/pset.h | 38 + spl/include/sys/random.h | 45 + spl/include/sys/refstr.h | 28 + spl/include/sys/resource.h | 30 + spl/include/sys/rwlock.h | 199 + spl/include/sys/sdt.h | 30 + spl/include/sys/sid.h | 61 + spl/include/sys/signal.h | 50 + spl/include/sys/stat.h | 30 + spl/include/sys/stropts.h | 28 + spl/include/sys/sunddi.h | 59 + spl/include/sys/sunldi.h | 56 + spl/include/sys/sysdc.h | 28 + spl/include/sys/sysevent.h | 28 + 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zfs/include/sys/trace_arc.h | 422 + zfs/include/sys/trace_dbgmsg.h | 111 + zfs/include/sys/trace_dbuf.h | 102 + zfs/include/sys/trace_dmu.h | 120 + zfs/include/sys/trace_dnode.h | 120 + zfs/include/sys/trace_multilist.h | 79 + zfs/include/sys/trace_txg.h | 75 + zfs/include/sys/trace_zil.h | 130 + zfs/include/sys/trace_zrlock.h | 87 + zfs/include/sys/txg.h | 137 + zfs/include/sys/txg_impl.h | 124 + zfs/include/sys/u8_textprep.h | 113 + zfs/include/sys/u8_textprep_data.h | 35376 ++++++++++++++ zfs/include/sys/uberblock.h | 49 + zfs/include/sys/uberblock_impl.h | 63 + zfs/include/sys/uio_impl.h | 49 + zfs/include/sys/unique.h | 57 + zfs/include/sys/uuid.h | 94 + zfs/include/sys/vdev.h | 164 + zfs/include/sys/vdev_disk.h | 41 + zfs/include/sys/vdev_file.h | 44 + zfs/include/sys/vdev_impl.h | 351 + zfs/include/sys/xvattr.h | 330 + zfs/include/sys/zap.h | 490 + zfs/include/sys/zap_impl.h | 237 + zfs/include/sys/zap_leaf.h | 248 + zfs/include/sys/zfeature.h | 73 + zfs/include/sys/zfs_acl.h | 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000000000000..96757e86ef96 --- /dev/null +++ b/spl/AUTHORS @@ -0,0 +1,25 @@ +Original author and maintainer. + + Brian Behlendorf + +Additionally the following individuals have all made contributions +to the project and deserve to be acknowledged. + + Alex Zhuravlev + Brian J. Murrell + Chris Dunlap + Chris Dunlop + Darik Horn + Etienne Dechamps + Gunnar Beutner + Jorgen Lundman + Lars Johannsen + Li Wei + Massimo Maggi + Ned Bass + Neependra Khare + Prakash Surya + Ricardo Correia + Richard Yao + Steven Johnson + Yuxuan Shui diff --git a/spl/COPYING b/spl/COPYING new file mode 100644 index 000000000000..d159169d1050 --- /dev/null +++ b/spl/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. 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Many people have made +generous contributions to the wide range of software distributed +through that system in reliance on consistent application of that +system; it is up to the author/donor to decide if he or she is willing +to distribute software through any other system and a licensee cannot +impose that choice. + +This section is intended to make thoroughly clear what is believed to +be a consequence of the rest of this License. + + 8. If the distribution and/or use of the Program is restricted in +certain countries either by patents or by copyrighted interfaces, the +original copyright holder who places the Program under this License +may add an explicit geographical distribution limitation excluding +those countries, so that distribution is permitted only in or among +countries not thus excluded. In such case, this License incorporates +the limitation as if written in the body of this License. + + 9. The Free Software Foundation may publish revised and/or new versions +of the General Public License from time to time. Such new versions will +be similar in spirit to the present version, but may differ in detail to +address new problems or concerns. + +Each version is given a distinguishing version number. If the Program +specifies a version number of this License which applies to it and "any +later version", you have the option of following the terms and conditions +either of that version or of any later version published by the Free +Software Foundation. If the Program does not specify a version number of +this License, you may choose any version ever published by the Free Software +Foundation. + + 10. If you wish to incorporate parts of the Program into other free +programs whose distribution conditions are different, write to the author +to ask for permission. For software which is copyrighted by the Free +Software Foundation, write to the Free Software Foundation; we sometimes +make exceptions for this. Our decision will be guided by the two goals +of preserving the free status of all derivatives of our free software and +of promoting the sharing and reuse of software generally. + + NO WARRANTY + + 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +REPAIR OR CORRECTION. + + 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR +REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING +OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED +TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY +YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER +PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/spl/DISCLAIMER b/spl/DISCLAIMER new file mode 100644 index 000000000000..1bb04be7eb74 --- /dev/null +++ b/spl/DISCLAIMER @@ -0,0 +1,24 @@ +This work was produced at the Lawrence Livermore National Laboratory +(LLNL) under Contract No. DE-AC52-07NA27344 (Contract 44) between +the U.S. Department of Energy (DOE) and Lawrence Livermore National +Security, LLC (LLNS) for the operation of LLNL. + +This work was prepared as an account of work sponsored by an agency of +the United States Government. Neither the United States Government nor +Lawrence Livermore National Security, LLC nor any of their employees, +makes any warranty, express or implied, or assumes any liability or +responsibility for the accuracy, completeness, or usefulness of any +information, apparatus, product, or process disclosed, or represents +that its use would not infringe privately-owned rights. + +Reference herein to any specific commercial products, process, or +services by trade name, trademark, manufacturer or otherwise does +not necessarily constitute or imply its endorsement, recommendation, +or favoring by the United States Government or Lawrence Livermore +National Security, LLC. The views and opinions of authors expressed +herein do not necessarily state or reflect those of the Untied States +Government or Lawrence Livermore National Security, LLC, and shall +not be used for advertising or product endorsement purposes. + +The precise terms and conditions for copying, distribution, and +modification are specified in the file "COPYING". diff --git a/spl/META b/spl/META new file mode 100644 index 000000000000..c7b69beebec5 --- /dev/null +++ b/spl/META @@ -0,0 +1,8 @@ +Meta: 1 +Name: spl +Branch: 1.0 +Version: 0.6.5.9 +Release: 1 +Release-Tags: relext +License: GPL +Author: OpenZFS on Linux diff --git a/spl/Makefile.am b/spl/Makefile.am new file mode 100644 index 000000000000..4977448fda95 --- /dev/null +++ b/spl/Makefile.am @@ -0,0 +1,54 @@ + +ACLOCAL_AMFLAGS = -I config + +include config/rpm.am +include config/deb.am +include config/tgz.am + +SUBDIRS = include rpm +if CONFIG_USER +SUBDIRS += lib cmd man scripts +endif +if CONFIG_KERNEL +SUBDIRS += module + +extradir = @prefix@/src/spl-$(VERSION) +extra_HEADERS = spl.release.in spl_config.h.in + +kerneldir = @prefix@/src/spl-$(VERSION)/$(LINUX_VERSION) +nodist_kernel_HEADERS = spl.release spl_config.h module/$(LINUX_SYMBOLS) +endif + +AUTOMAKE_OPTIONS = foreign +EXTRA_DIST = autogen.sh META DISCLAIMER copy-builtin +EXTRA_DIST += config/config.awk config/rpm.am config/deb.am config/tgz.am + +distclean-local:: + -$(RM) -R autom4te*.cache + -find . \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ + -o -name .pc -o -name .hg -o -name .git \) -prune -o \ + \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ + -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ + -o -name '.*.rej' -o -name 'aclocal.m4' -o -size 0 \ + -o -name '*%' -o -name '.*.cmd' -o -name 'core' \ + -o -name 'Makefile' -o -name '$(LINUX_SYMBOLS)' \ + -o -name '*.order' -o -name '*.markers' \) \ + -type f -print | xargs $(RM) + +dist-hook: + sed -i 's/Release:[[:print:]]*/Release: $(RELEASE)/' \ + $(distdir)/META + +ctags: + $(RM) tags + find $(top_srcdir) -name .git -prune -o -name '*.[hc]' | xargs ctags + +etags: + $(RM) TAGS + find $(top_srcdir) -name .pc -prune -o -name '*.[hc]' | xargs etags -a + +tags: ctags etags + +pkg: @DEFAULT_PACKAGE@ +pkg-kmod: @DEFAULT_PACKAGE@-kmod +pkg-utils: @DEFAULT_PACKAGE@-utils diff --git a/spl/Makefile.in b/spl/Makefile.in new file mode 100644 index 000000000000..c451112217b4 --- /dev/null +++ b/spl/Makefile.in @@ -0,0 +1,1182 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +############################################################################### +# Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC. +# Copyright (C) 2007 The Regents of the University of California. +# Written by Brian Behlendorf . +############################################################################### +# Build targets for RPM packages. +############################################################################### + +############################################################################### +# Copyright (C) 2010 Lawrence Livermore National Security, LLC. +# Written by Brian Behlendorf . +############################################################################### +# Build targets for DEB packages. +# +# Long term native distro specific Debian style packaging should be added. +# In the short term RPM packages are built and converted to DEB packages +# using alien. 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mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am uninstall-sbinPROGRAMS + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/cmd/splat.c b/spl/cmd/splat.c new file mode 100644 index 000000000000..92962393dd0b --- /dev/null +++ b/spl/cmd/splat.c @@ -0,0 +1,836 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) User Space Interface. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "splat.h" + +#undef ioctl + +static const char shortOpts[] = "hvlat:xc"; +static const struct option longOpts[] = { + { "help", no_argument, 0, 'h' }, + { "verbose", no_argument, 0, 'v' }, + { "list", no_argument, 0, 'l' }, + { "all", no_argument, 0, 'a' }, + { "test", required_argument, 0, 't' }, + { "exit", no_argument, 0, 'x' }, + { "nocolor", no_argument, 0, 'c' }, + { 0, 0, 0, 0 } +}; + +#define VERSION_SIZE 64 + +static List subsystems; /* Subsystem/tests */ +static int splatctl_fd; /* Control file descriptor */ +static char splat_version[VERSION_SIZE]; /* Kernel version string */ +static char *splat_buffer = NULL; /* Scratch space area */ +static int splat_buffer_size = 0; /* Scratch space size */ + + +static void test_list(List, int); +static int dev_clear(void); +static void subsystem_fini(subsystem_t *); +static void test_fini(test_t *); + + +static int usage(void) { + fprintf(stderr, "usage: splat [hvla] [-t >]\n"); + fprintf(stderr, + " --help -h This help\n" + " --verbose -v Increase verbosity\n" + " --list -l List all tests in all subsystems\n" + " --all -a Run all tests in all subsystems\n" + " --test -t Run 'test' in subsystem 'sub'\n" + " --exit -x Exit on first test error\n" + " --nocolor -c Do not colorize output\n"); + fprintf(stderr, "\n" + "Examples:\n" + " splat -t kmem:all # Runs all kmem tests\n" + " splat -t taskq:0x201 # Run taskq test 0x201\n"); + + return 0; +} + +static subsystem_t *subsystem_init(splat_user_t *desc) +{ + subsystem_t *sub; + + sub = (subsystem_t *)malloc(sizeof(*sub)); + if (sub == NULL) + return NULL; + + memcpy(&sub->sub_desc, desc, sizeof(*desc)); + + sub->sub_tests = list_create((ListDelF)test_fini); + if (sub->sub_tests == NULL) { + free(sub); + return NULL; + } + + return sub; +} + +static void subsystem_fini(subsystem_t *sub) +{ + assert(sub != NULL); + free(sub); +} + +static int subsystem_setup(void) +{ + splat_cfg_t *cfg; + int i, rc, size, cfg_size; + subsystem_t *sub; + splat_user_t *desc; + + /* Aquire the number of registered subsystems */ + cfg_size = sizeof(*cfg); + cfg = (splat_cfg_t *)malloc(cfg_size); + if (cfg == NULL) + return -ENOMEM; + + memset(cfg, 0, cfg_size); + cfg->cfg_magic = SPLAT_CFG_MAGIC; + cfg->cfg_cmd = SPLAT_CFG_SUBSYSTEM_COUNT; + + rc = ioctl(splatctl_fd, SPLAT_CFG, cfg); + if (rc) { + fprintf(stderr, "Ioctl() error 0x%lx / %d: %d\n", + (unsigned long)SPLAT_CFG, cfg->cfg_cmd, errno); + free(cfg); + return rc; + } + + size = cfg->cfg_rc1; + free(cfg); + + /* Based on the newly acquired number of subsystems allocate + * memory to get the descriptive information for them all. */ + cfg_size = sizeof(*cfg) + size * sizeof(splat_user_t); + cfg = (splat_cfg_t *)malloc(cfg_size); + if (cfg == NULL) + return -ENOMEM; + + memset(cfg, 0, cfg_size); + cfg->cfg_magic = SPLAT_CFG_MAGIC; + cfg->cfg_cmd = SPLAT_CFG_SUBSYSTEM_LIST; + cfg->cfg_data.splat_subsystems.size = size; + + rc = ioctl(splatctl_fd, SPLAT_CFG, cfg); + if (rc) { + fprintf(stderr, "Ioctl() error %lu / %d: %d\n", + (unsigned long) SPLAT_CFG, cfg->cfg_cmd, errno); + free(cfg); + return rc; + } + + /* Add the new subsystems in to the global list */ + size = cfg->cfg_rc1; + for (i = 0; i < size; i++) { + desc = &(cfg->cfg_data.splat_subsystems.descs[i]); + + sub = subsystem_init(desc); + if (sub == NULL) { + fprintf(stderr, "Error initializing subsystem: %s\n", + desc->name); + free(cfg); + return -ENOMEM; + } + + list_append(subsystems, sub); + } + + free(cfg); + return 0; +} + +static void subsystem_list(List l, int indent) +{ + ListIterator i; + subsystem_t *sub; + + fprintf(stdout, + "------------------------------ " + "Available SPLAT Tests " + "------------------------------\n"); + + i = list_iterator_create(l); + + while ((sub = list_next(i))) { + fprintf(stdout, "%*s0x%0*x %-*s ---- %s ----\n", + indent, "", + 4, sub->sub_desc.id, + SPLAT_NAME_SIZE + 7, sub->sub_desc.name, + sub->sub_desc.desc); + test_list(sub->sub_tests, indent + 7); + } + + list_iterator_destroy(i); +} + +static test_t *test_init(subsystem_t *sub, splat_user_t *desc) +{ + test_t *test; + + test = (test_t *)malloc(sizeof(*test)); + if (test == NULL) + return NULL; + + test->test_sub = sub; + memcpy(&test->test_desc, desc, sizeof(*desc)); + + return test; +} + +static void test_fini(test_t *test) +{ + assert(test != NULL); + free(test); +} + +static int test_setup(subsystem_t *sub) +{ + splat_cfg_t *cfg; + int i, rc, size; + test_t *test; + splat_user_t *desc; + + /* Aquire the number of registered tests for the give subsystem */ + cfg = (splat_cfg_t *)malloc(sizeof(*cfg)); + if (cfg == NULL) + return -ENOMEM; + + memset(cfg, 0, sizeof(*cfg)); + cfg->cfg_magic = SPLAT_CFG_MAGIC; + cfg->cfg_cmd = SPLAT_CFG_TEST_COUNT; + cfg->cfg_arg1 = sub->sub_desc.id; /* Subsystem of interest */ + + rc = ioctl(splatctl_fd, SPLAT_CFG, cfg); + if (rc) { + fprintf(stderr, "Ioctl() error %lu / %d: %d\n", + (unsigned long) SPLAT_CFG, cfg->cfg_cmd, errno); + free(cfg); + return rc; + } + + size = cfg->cfg_rc1; + free(cfg); + + /* Based on the newly aquired number of tests allocate enough + * memory to get the descriptive information for them all. */ + cfg = (splat_cfg_t *)malloc(sizeof(*cfg) + size*sizeof(splat_user_t)); + if (cfg == NULL) + return -ENOMEM; + + memset(cfg, 0, sizeof(*cfg) + size * sizeof(splat_user_t)); + cfg->cfg_magic = SPLAT_CFG_MAGIC; + cfg->cfg_cmd = SPLAT_CFG_TEST_LIST; + cfg->cfg_arg1 = sub->sub_desc.id; /* Subsystem of interest */ + cfg->cfg_data.splat_tests.size = size; + + rc = ioctl(splatctl_fd, SPLAT_CFG, cfg); + if (rc) { + fprintf(stderr, "Ioctl() error %lu / %d: %d\n", + (unsigned long) SPLAT_CFG, cfg->cfg_cmd, errno); + free(cfg); + return rc; + } + + /* Add the new tests in to the relevant subsystems */ + size = cfg->cfg_rc1; + for (i = 0; i < size; i++) { + desc = &(cfg->cfg_data.splat_tests.descs[i]); + + test = test_init(sub, desc); + if (test == NULL) { + fprintf(stderr, "Error initializing test: %s\n", + desc->name); + free(cfg); + return -ENOMEM; + } + + list_append(sub->sub_tests, test); + } + + free(cfg); + return 0; +} + +static test_t *test_copy(test_t *test) +{ + return test_init(test->test_sub, &test->test_desc); +} + +static void test_list(List l, int indent) +{ + ListIterator i; + test_t *test; + + i = list_iterator_create(l); + + while ((test = list_next(i))) + fprintf(stdout, "%*s0x%0*x %-*s %s\n", + indent, "", 04, test->test_desc.id, + SPLAT_NAME_SIZE, test->test_desc.name, + test->test_desc.desc); + + list_iterator_destroy(i); +} + +static test_t *test_find(char *sub_str, char *test_str) +{ + ListIterator si, ti; + subsystem_t *sub; + test_t *test; + __u32 sub_num, test_num; + + /* + * No error checking here because it may not be a number, it's + * perfectly OK for it to be a string. Since we're just using + * it for comparison purposes this is all very safe. + */ + sub_num = strtoul(sub_str, NULL, 0); + test_num = strtoul(test_str, NULL, 0); + + si = list_iterator_create(subsystems); + + while ((sub = list_next(si))) { + + if (strncmp(sub->sub_desc.name, sub_str, SPLAT_NAME_SIZE) && + sub->sub_desc.id != sub_num) + continue; + + ti = list_iterator_create(sub->sub_tests); + + while ((test = list_next(ti))) { + + if (!strncmp(test->test_desc.name, test_str, + SPLAT_NAME_SIZE) || test->test_desc.id==test_num) { + list_iterator_destroy(ti); + list_iterator_destroy(si); + return test; + } + } + + list_iterator_destroy(ti); + } + + list_iterator_destroy(si); + + return NULL; +} + +static int test_add(cmd_args_t *args, test_t *test) +{ + test_t *tmp; + + tmp = test_copy(test); + if (tmp == NULL) + return -ENOMEM; + + list_append(args->args_tests, tmp); + return 0; +} + +static int test_add_all(cmd_args_t *args) +{ + ListIterator si, ti; + subsystem_t *sub; + test_t *test; + int rc; + + si = list_iterator_create(subsystems); + + while ((sub = list_next(si))) { + ti = list_iterator_create(sub->sub_tests); + + while ((test = list_next(ti))) { + if ((rc = test_add(args, test))) { + list_iterator_destroy(ti); + list_iterator_destroy(si); + return rc; + } + } + + list_iterator_destroy(ti); + } + + list_iterator_destroy(si); + + return 0; +} + +static int test_run(cmd_args_t *args, test_t *test) +{ + subsystem_t *sub = test->test_sub; + splat_cmd_t *cmd; + int rc, cmd_size; + + dev_clear(); + + cmd_size = sizeof(*cmd); + cmd = (splat_cmd_t *)malloc(cmd_size); + if (cmd == NULL) + return -ENOMEM; + + memset(cmd, 0, cmd_size); + cmd->cmd_magic = SPLAT_CMD_MAGIC; + cmd->cmd_subsystem = sub->sub_desc.id; + cmd->cmd_test = test->test_desc.id; + cmd->cmd_data_size = 0; /* Unused feature */ + + fprintf(stdout, "%*s:%-*s ", + SPLAT_NAME_SIZE, sub->sub_desc.name, + SPLAT_NAME_SIZE, test->test_desc.name); + fflush(stdout); + rc = ioctl(splatctl_fd, SPLAT_CMD, cmd); + if (args->args_do_color) { + fprintf(stdout, "%s %s\n", rc ? + COLOR_RED "Fail" COLOR_RESET : + COLOR_GREEN "Pass" COLOR_RESET, + rc ? strerror(errno) : ""); + } else { + fprintf(stdout, "%s %s\n", rc ? + "Fail" : "Pass", + rc ? strerror(errno) : ""); + } + fflush(stdout); + free(cmd); + + if ((args->args_verbose == 1 && rc) || + (args->args_verbose >= 2)) { + if ((rc = read(splatctl_fd, splat_buffer, + splat_buffer_size - 1)) < 0) { + fprintf(stdout, "Error reading results: %d\n", rc); + } else { + fprintf(stdout, "\n%s\n", splat_buffer); + fflush(stdout); + } + } + + return rc; +} + +static int tests_run(cmd_args_t *args) +{ + ListIterator i; + test_t *test; + int rc; + + fprintf(stdout, + "------------------------------ " + "Running SPLAT Tests " + "------------------------------\n"); + + i = list_iterator_create(args->args_tests); + + while ((test = list_next(i))) { + rc = test_run(args, test); + if (rc && args->args_exit_on_error) { + list_iterator_destroy(i); + return rc; + } + } + + list_iterator_destroy(i); + return 0; +} + +static int args_parse_test(cmd_args_t *args, char *str) +{ + ListIterator si, ti; + subsystem_t *s; + test_t *t; + char *sub_str, *test_str; + int sub_num, test_num; + int sub_all = 0, test_all = 0; + int rc, flag = 0; + + test_str = strchr(str, ':'); + if (test_str == NULL) { + fprintf(stderr, "Test must be of the " + "form \n"); + return -EINVAL; + } + + sub_str = str; + test_str[0] = '\0'; + test_str = test_str + 1; + + sub_num = strtol(sub_str, NULL, 0); + test_num = strtol(test_str, NULL, 0); + + if (!strncasecmp(sub_str, "all", strlen(sub_str)) || (sub_num == -1)) + sub_all = 1; + + if (!strncasecmp(test_str,"all",strlen(test_str)) || (test_num == -1)) + test_all = 1; + + si = list_iterator_create(subsystems); + + if (sub_all) { + if (test_all) { + /* Add all tests from all subsystems */ + while ((s = list_next(si))) { + ti = list_iterator_create(s->sub_tests); + while ((t = list_next(ti))) { + if ((rc = test_add(args, t))) { + list_iterator_destroy(ti); + goto error_run; + } + } + list_iterator_destroy(ti); + } + } else { + /* Add a specific test from all subsystems */ + while ((s = list_next(si))) { + if ((t=test_find(s->sub_desc.name,test_str))) { + if ((rc = test_add(args, t))) + goto error_run; + + flag = 1; + } + } + + if (!flag) + fprintf(stderr, "No tests '%s:%s' could be " + "found\n", sub_str, test_str); + } + } else { + if (test_all) { + /* Add all tests from a specific subsystem */ + while ((s = list_next(si))) { + if (strncasecmp(sub_str, s->sub_desc.name, + strlen(sub_str))) + continue; + + ti = list_iterator_create(s->sub_tests); + while ((t = list_next(ti))) { + if ((rc = test_add(args, t))) { + list_iterator_destroy(ti); + goto error_run; + } + } + list_iterator_destroy(ti); + } + } else { + /* Add a specific test from a specific subsystem */ + if ((t = test_find(sub_str, test_str))) { + if ((rc = test_add(args, t))) + goto error_run; + } else { + fprintf(stderr, "Test '%s:%s' could not be " + "found\n", sub_str, test_str); + return -EINVAL; + } + } + } + + list_iterator_destroy(si); + + return 0; + +error_run: + list_iterator_destroy(si); + + fprintf(stderr, "Test '%s:%s' not added to run list: %d\n", + sub_str, test_str, rc); + + return rc; +} + +static void args_fini(cmd_args_t *args) +{ + assert(args != NULL); + + if (args->args_tests != NULL) + list_destroy(args->args_tests); + + free(args); +} + +static cmd_args_t * +args_init(int argc, char **argv) +{ + cmd_args_t *args; + int c, rc; + + if (argc == 1) { + usage(); + return (cmd_args_t *) NULL; + } + + /* Configure and populate the args structures */ + args = malloc(sizeof(*args)); + if (args == NULL) + return NULL; + + memset(args, 0, sizeof(*args)); + args->args_verbose = 0; + args->args_do_list = 0; + args->args_do_all = 0; + args->args_do_color = 1; + args->args_exit_on_error = 0; + args->args_tests = list_create((ListDelF)test_fini); + if (args->args_tests == NULL) { + args_fini(args); + return NULL; + } + + while ((c = getopt_long(argc, argv, shortOpts, longOpts, NULL)) != -1){ + switch (c) { + case 'v': args->args_verbose++; break; + case 'l': args->args_do_list = 1; break; + case 'a': args->args_do_all = 1; break; + case 'c': args->args_do_color = 0; break; + case 'x': args->args_exit_on_error = 1; break; + case 't': + if (args->args_do_all) { + fprintf(stderr, "Option -t is " + "useless when used with -a\n"); + args_fini(args); + return NULL; + } + + rc = args_parse_test(args, argv[optind - 1]); + if (rc) { + args_fini(args); + return NULL; + } + break; + case 'h': + case '?': + usage(); + args_fini(args); + return NULL; + default: + fprintf(stderr, "Unknown option '%s'\n", + argv[optind - 1]); + break; + } + } + + return args; +} + +static int +dev_clear(void) +{ + splat_cfg_t cfg; + int rc; + + memset(&cfg, 0, sizeof(cfg)); + cfg.cfg_magic = SPLAT_CFG_MAGIC; + cfg.cfg_cmd = SPLAT_CFG_BUFFER_CLEAR; + cfg.cfg_arg1 = 0; + + rc = ioctl(splatctl_fd, SPLAT_CFG, &cfg); + if (rc) + fprintf(stderr, "Ioctl() error %lu / %d: %d\n", + (unsigned long) SPLAT_CFG, cfg.cfg_cmd, errno); + + lseek(splatctl_fd, 0, SEEK_SET); + + return rc; +} + +static int +dev_size(int size) +{ + splat_cfg_t cfg; + int rc; + + memset(&cfg, 0, sizeof(cfg)); + cfg.cfg_magic = SPLAT_CFG_MAGIC; + cfg.cfg_cmd = SPLAT_CFG_BUFFER_SIZE; + cfg.cfg_arg1 = size; + + rc = ioctl(splatctl_fd, SPLAT_CFG, &cfg); + if (rc) { + fprintf(stderr, "Ioctl() error %lu / %d: %d\n", + (unsigned long) SPLAT_CFG, cfg.cfg_cmd, errno); + return rc; + } + + return cfg.cfg_rc1; +} + +static void +dev_fini(void) +{ + if (splat_buffer) + free(splat_buffer); + + if (splatctl_fd != -1) { + if (close(splatctl_fd) == -1) { + fprintf(stderr, "Unable to close %s: %d\n", + SPLAT_DEV, errno); + } + } +} + +static int +dev_init(void) +{ + ListIterator i; + subsystem_t *sub; + int rc; + + splatctl_fd = open(SPLAT_DEV, O_RDONLY); + if (splatctl_fd == -1) { + fprintf(stderr, "Unable to open %s: %d\n" + "Is the splat module loaded?\n", SPLAT_DEV, errno); + rc = errno; + goto error; + } + + /* Determine kernel module version string */ + memset(splat_version, 0, VERSION_SIZE); + if ((rc = read(splatctl_fd, splat_version, VERSION_SIZE - 1)) == -1) + goto error; + + if ((rc = dev_clear())) + goto error; + + if ((rc = dev_size(0)) < 0) + goto error; + + splat_buffer_size = rc; + splat_buffer = (char *)malloc(splat_buffer_size); + if (splat_buffer == NULL) { + rc = -ENOMEM; + goto error; + } + + memset(splat_buffer, 0, splat_buffer_size); + + /* Determine available subsystems */ + if ((rc = subsystem_setup()) != 0) + goto error; + + /* Determine available tests for all subsystems */ + i = list_iterator_create(subsystems); + + while ((sub = list_next(i))) { + if ((rc = test_setup(sub)) != 0) { + list_iterator_destroy(i); + goto error; + } + } + + list_iterator_destroy(i); + return 0; + +error: + if (splatctl_fd != -1) { + if (close(splatctl_fd) == -1) { + fprintf(stderr, "Unable to close %s: %d\n", + SPLAT_DEV, errno); + } + } + + return rc; +} + +int +init(void) +{ + int rc = 0; + + /* Allocate the subsystem list */ + subsystems = list_create((ListDelF)subsystem_fini); + if (subsystems == NULL) + rc = ENOMEM; + + return rc; +} + +void +fini(void) +{ + list_destroy(subsystems); +} + + +int +main(int argc, char **argv) +{ + cmd_args_t *args = NULL; + int rc = 0; + + /* General init */ + if ((rc = init())) + return rc; + + /* Device specific init */ + if ((rc = dev_init())) + goto out; + + /* Argument init and parsing */ + if ((args = args_init(argc, argv)) == NULL) { + rc = -1; + goto out; + } + + /* Generic kernel version string */ + if (args->args_verbose) + fprintf(stdout, "%s", splat_version); + + /* Print the available test list and exit */ + if (args->args_do_list) { + subsystem_list(subsystems, 0); + goto out; + } + + /* Add all available test to the list of tests to run */ + if (args->args_do_all) { + if ((rc = test_add_all(args))) + goto out; + } + + /* Run all the requested tests */ + if ((rc = tests_run(args))) + goto out; + +out: + if (args != NULL) + args_fini(args); + + dev_fini(); + fini(); + return rc; +} diff --git a/spl/cmd/splat.h b/spl/cmd/splat.h new file mode 100644 index 000000000000..5b838af3acfb --- /dev/null +++ b/spl/cmd/splat.h @@ -0,0 +1,70 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPLAT_H +#define _SPLAT_H + +#include "list.h" +#include "../include/splat-ctl.h" + +#define DEV_NAME "/dev/splatctl" +#define COLOR_BLACK "\033[0;30m" +#define COLOR_DK_GRAY "\033[1;30m" +#define COLOR_BLUE "\033[0;34m" +#define COLOR_LT_BLUE "\033[1;34m" +#define COLOR_GREEN "\033[0;32m" +#define COLOR_LT_GREEN "\033[1;32m" +#define COLOR_CYAN "\033[0;36m" +#define COLOR_LT_CYAN "\033[1;36m" +#define COLOR_RED "\033[0;31m" +#define COLOR_LT_RED "\033[1;31m" +#define COLOR_PURPLE "\033[0;35m" +#define COLOR_LT_PURPLE "\033[1;35m" +#define COLOR_BROWN "\033[0;33m" +#define COLOR_YELLOW "\033[1;33m" +#define COLOR_LT_GRAY "\033[0;37m" +#define COLOR_WHITE "\033[1;37m" +#define COLOR_RESET "\033[0m" + +typedef struct subsystem { + splat_user_t sub_desc; /* Subsystem description */ + List sub_tests; /* Assocated subsystem tests list */ +} subsystem_t; + +typedef struct test { + splat_user_t test_desc; /* Test description */ + subsystem_t *test_sub; /* Parent subsystem */ +} test_t; + +typedef struct cmd_args { + int args_verbose; /* Verbose flag */ + int args_do_list; /* Display all tests flag */ + int args_do_all; /* Run all tests flag */ + int args_do_color; /* Colorize output */ + int args_exit_on_error; /* Exit on first error flag */ + List args_tests; /* Requested subsystems/tests */ +} cmd_args_t; + +#endif /* _SPLAT_H */ + diff --git a/spl/config/Rules.am b/spl/config/Rules.am new file mode 100644 index 000000000000..7c5d3283fe27 --- /dev/null +++ b/spl/config/Rules.am @@ -0,0 +1,14 @@ +############################################################################### +# Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. +# Copyright (C) 2007 The Regents of the University of California. +# Written by Brian Behlendorf . +############################################################################### +# Common rules for user space components. +############################################################################### + +DEFAULT_INCLUDES = -include ${top_builddir}/spl_config.h + +AM_LIBTOOLFLAGS = --silent +AM_CPPFLAGS = -D__USE_LARGEFILE64 +AM_CFLAGS = -Wall -Wshadow -Wstrict-prototypes -fno-strict-aliasing +AM_CFLAGS += ${DEBUG_CFLAGS} diff --git a/spl/config/compile b/spl/config/compile new file mode 100755 index 000000000000..a85b723c7e67 --- /dev/null +++ b/spl/config/compile @@ -0,0 +1,347 @@ +#! /bin/sh +# Wrapper for compilers which do not understand '-c -o'. + +scriptversion=2012-10-14.11; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +nl=' +' + +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent tools from complaining about whitespace usage. +IFS=" "" $nl" + +file_conv= + +# func_file_conv build_file lazy +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. If the determined conversion +# type is listed in (the comma separated) LAZY, no conversion will +# take place. +func_file_conv () +{ + file=$1 + case $file in + / | /[!/]*) # absolute file, and not a UNC file + if test -z "$file_conv"; then + # lazily determine how to convert abs files + case `uname -s` in + MINGW*) + file_conv=mingw + ;; + CYGWIN*) + file_conv=cygwin + ;; + *) + file_conv=wine + ;; + esac + fi + case $file_conv/,$2, in + *,$file_conv,*) + ;; + mingw/*) + file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` + ;; + cygwin/*) + file=`cygpath -m "$file" || echo "$file"` + ;; + wine/*) + file=`winepath -w "$file" || echo "$file"` + ;; + esac + ;; + esac +} + +# func_cl_dashL linkdir +# Make cl look for libraries in LINKDIR +func_cl_dashL () +{ + func_file_conv "$1" + if test -z "$lib_path"; then + lib_path=$file + else + lib_path="$lib_path;$file" + fi + linker_opts="$linker_opts -LIBPATH:$file" +} + +# func_cl_dashl library +# Do a library search-path lookup for cl +func_cl_dashl () +{ + lib=$1 + found=no + save_IFS=$IFS + IFS=';' + for dir in $lib_path $LIB + do + IFS=$save_IFS + if $shared && test -f "$dir/$lib.dll.lib"; then + found=yes + lib=$dir/$lib.dll.lib + break + fi + if test -f "$dir/$lib.lib"; then + found=yes + lib=$dir/$lib.lib + break + fi + if test -f "$dir/lib$lib.a"; then + found=yes + lib=$dir/lib$lib.a + break + fi + done + IFS=$save_IFS + + if test "$found" != yes; then + lib=$lib.lib + fi +} + +# func_cl_wrapper cl arg... +# Adjust compile command to suit cl +func_cl_wrapper () +{ + # Assume a capable shell + lib_path= + shared=: + linker_opts= + for arg + do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + eat=1 + case $2 in + *.o | *.[oO][bB][jJ]) + func_file_conv "$2" + set x "$@" -Fo"$file" + shift + ;; + *) + func_file_conv "$2" + set x "$@" -Fe"$file" + shift + ;; + esac + ;; + -I) + eat=1 + func_file_conv "$2" mingw + set x "$@" -I"$file" + shift + ;; + -I*) + func_file_conv "${1#-I}" mingw + set x "$@" -I"$file" + shift + ;; + -l) + eat=1 + func_cl_dashl "$2" + set x "$@" "$lib" + shift + ;; + -l*) + func_cl_dashl "${1#-l}" + set x "$@" "$lib" + shift + ;; + -L) + eat=1 + func_cl_dashL "$2" + ;; + -L*) + func_cl_dashL "${1#-L}" + ;; + -static) + shared=false + ;; + -Wl,*) + arg=${1#-Wl,} + save_ifs="$IFS"; IFS=',' + for flag in $arg; do + IFS="$save_ifs" + linker_opts="$linker_opts $flag" + done + IFS="$save_ifs" + ;; + -Xlinker) + eat=1 + linker_opts="$linker_opts $2" + ;; + -*) + set x "$@" "$1" + shift + ;; + *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) + func_file_conv "$1" + set x "$@" -Tp"$file" + shift + ;; + *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) + func_file_conv "$1" mingw + set x "$@" "$file" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift + done + if test -n "$linker_opts"; then + linker_opts="-link$linker_opts" + fi + exec "$@" $linker_opts + exit 1 +} + +eat= + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: compile [--help] [--version] PROGRAM [ARGS] + +Wrapper for compilers which do not understand '-c -o'. +Remove '-o dest.o' from ARGS, run PROGRAM with the remaining +arguments, and rename the output as expected. + +If you are trying to build a whole package this is not the +right script to run: please start by reading the file 'INSTALL'. + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "compile $scriptversion" + exit $? + ;; + cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) + func_cl_wrapper "$@" # Doesn't return... + ;; +esac + +ofile= +cfile= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + # So we strip '-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift +done + +if test -z "$ofile" || test -z "$cfile"; then + # If no '-o' option was seen then we might have been invoked from a + # pattern rule where we don't need one. That is ok -- this is a + # normal compilation that the losing compiler can handle. If no + # '.c' file was seen then we are probably linking. That is also + # ok. + exec "$@" +fi + +# Name of file we expect compiler to create. +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` + +# Create the lock directory. +# Note: use '[/\\:.-]' here to ensure that we don't use the same name +# that we are using for the .o file. Also, base the name on the expected +# object file name, since that is what matters with a parallel build. +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d +while true; do + if mkdir "$lockdir" >/dev/null 2>&1; then + break + fi + sleep 1 +done +# FIXME: race condition here if user kills between mkdir and trap. +trap "rmdir '$lockdir'; exit 1" 1 2 15 + +# Run the compile. +"$@" +ret=$? + +if test -f "$cofile"; then + test "$cofile" = "$ofile" || mv "$cofile" "$ofile" +elif test -f "${cofile}bj"; then + test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" +fi + +rmdir "$lockdir" +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/spl/config/config.awk b/spl/config/config.awk new file mode 100644 index 000000000000..cc4b7cc265cd --- /dev/null +++ b/spl/config/config.awk @@ -0,0 +1,15 @@ +# Remove default preprocessor define's from config.h +# PACKAGE +# PACKAGE_BUGREPORT +# PACKAGE_NAME +# PACKAGE_STRING +# PACKAGE_TARNAME +# PACKAGE_VERSION +# STDC_HEADERS +# VERSION + +BEGIN { RS = "" ; FS = "\n" } \ + !/.#define PACKAGE./ && \ + !/.#define VERSION./ && \ + !/.#define STDC_HEADERS./ \ + { print $0"\n" } diff --git a/spl/config/config.guess b/spl/config/config.guess new file mode 100755 index 000000000000..2e9ad7fe8189 --- /dev/null +++ b/spl/config/config.guess @@ -0,0 +1,1462 @@ +#! /bin/sh +# Attempt to guess a canonical system name. +# Copyright 1992-2016 Free Software Foundation, Inc. + +timestamp='2016-10-02' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). +# +# Originally written by Per Bothner; maintained since 2000 by Ben Elliston. +# +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess +# +# Please send patches to . + + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright 1992-2016 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +trap 'exit 1' 1 2 15 + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still +# use `HOST_CC' if defined, but it is deprecated. + +# Portable tmp directory creation inspired by the Autoconf team. + +set_cc_for_build=' +trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; +trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; +: ${TMPDIR=/tmp} ; + { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || + { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || + { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || + { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; +dummy=$tmp/dummy ; +tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; +case $CC_FOR_BUILD,$HOST_CC,$CC in + ,,) echo "int x;" > $dummy.c ; + for c in cc gcc c89 c99 ; do + if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then + CC_FOR_BUILD="$c"; break ; + fi ; + done ; + if test x"$CC_FOR_BUILD" = x ; then + CC_FOR_BUILD=no_compiler_found ; + fi + ;; + ,,*) CC_FOR_BUILD=$CC ;; + ,*,*) CC_FOR_BUILD=$HOST_CC ;; +esac ; set_cc_for_build= ;' + +# This is needed to find uname on a Pyramid OSx when run in the BSD universe. +# (ghazi@noc.rutgers.edu 1994-08-24) +if (test -f /.attbin/uname) >/dev/null 2>&1 ; then + PATH=$PATH:/.attbin ; export PATH +fi + +UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown +UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown +UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown +UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + +case "${UNAME_SYSTEM}" in +Linux|GNU|GNU/*) + # If the system lacks a compiler, then just pick glibc. + # We could probably try harder. + LIBC=gnu + + eval $set_cc_for_build + cat <<-EOF > $dummy.c + #include + #if defined(__UCLIBC__) + LIBC=uclibc + #elif defined(__dietlibc__) + LIBC=dietlibc + #else + LIBC=gnu + #endif + EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'` + ;; +esac + +# Note: order is significant - the case branches are not exclusive. + +case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or + # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, + # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + sysctl="sysctl -n hw.machine_arch" + UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \ + /sbin/$sysctl 2>/dev/null || \ + /usr/sbin/$sysctl 2>/dev/null || \ + echo unknown)` + case "${UNAME_MACHINE_ARCH}" in + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + earmv*) + arch=`echo ${UNAME_MACHINE_ARCH} | sed -e 's,^e\(armv[0-9]\).*$,\1,'` + endian=`echo ${UNAME_MACHINE_ARCH} | sed -ne 's,^.*\(eb\)$,\1,p'` + machine=${arch}${endian}-unknown + ;; + *) machine=${UNAME_MACHINE_ARCH}-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently (or will in the future) and ABI. + case "${UNAME_MACHINE_ARCH}" in + earm*) + os=netbsdelf + ;; + arm*|i386|m68k|ns32k|sh3*|sparc|vax) + eval $set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # Determine ABI tags. + case "${UNAME_MACHINE_ARCH}" in + earm*) + expr='s/^earmv[0-9]/-eabi/;s/eb$//' + abi=`echo ${UNAME_MACHINE_ARCH} | sed -e "$expr"` + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case "${UNAME_VERSION}" in + Debian*) + release='-gnu' + ;; + *) + release=`echo ${UNAME_RELEASE} | sed -e 's/[-_].*//' | cut -d. -f1,2` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + echo "${machine}-${os}${release}${abi}" + exit ;; + *:Bitrig:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE} + exit ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} + exit ;; + *:LibertyBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-libertybsd${UNAME_RELEASE} + exit ;; + *:ekkoBSD:*:*) + echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} + exit ;; + *:SolidBSD:*:*) + echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} + exit ;; + macppc:MirBSD:*:*) + echo powerpc-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:MirBSD:*:*) + echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:Sortix:*:*) + echo ${UNAME_MACHINE}-unknown-sortix + exit ;; + alpha:OSF1:*:*) + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case "$ALPHA_CPU_TYPE" in + "EV4 (21064)") + UNAME_MACHINE=alpha ;; + "EV4.5 (21064)") + UNAME_MACHINE=alpha ;; + "LCA4 (21066/21068)") + UNAME_MACHINE=alpha ;; + "EV5 (21164)") + UNAME_MACHINE=alphaev5 ;; + "EV5.6 (21164A)") + UNAME_MACHINE=alphaev56 ;; + "EV5.6 (21164PC)") + UNAME_MACHINE=alphapca56 ;; + "EV5.7 (21164PC)") + UNAME_MACHINE=alphapca57 ;; + "EV6 (21264)") + UNAME_MACHINE=alphaev6 ;; + "EV6.7 (21264A)") + UNAME_MACHINE=alphaev67 ;; + "EV6.8CB (21264C)") + UNAME_MACHINE=alphaev68 ;; + "EV6.8AL (21264B)") + UNAME_MACHINE=alphaev68 ;; + "EV6.8CX (21264D)") + UNAME_MACHINE=alphaev68 ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE=alphaev69 ;; + "EV7 (21364)") + UNAME_MACHINE=alphaev7 ;; + "EV7.9 (21364A)") + UNAME_MACHINE=alphaev79 ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + exitcode=$? + trap '' 0 + exit $exitcode ;; + Alpha\ *:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # Should we change UNAME_MACHINE based on the output of uname instead + # of the specific Alpha model? + echo alpha-pc-interix + exit ;; + 21064:Windows_NT:50:3) + echo alpha-dec-winnt3.5 + exit ;; + Amiga*:UNIX_System_V:4.0:*) + echo m68k-unknown-sysv4 + exit ;; + *:[Aa]miga[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-amigaos + exit ;; + *:[Mm]orph[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-morphos + exit ;; + *:OS/390:*:*) + echo i370-ibm-openedition + exit ;; + *:z/VM:*:*) + echo s390-ibm-zvmoe + exit ;; + *:OS400:*:*) + echo powerpc-ibm-os400 + exit ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + echo arm-acorn-riscix${UNAME_RELEASE} + exit ;; + arm*:riscos:*:*|arm*:RISCOS:*:*) + echo arm-unknown-riscos + exit ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + echo hppa1.1-hitachi-hiuxmpp + exit ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + if test "`(/bin/universe) 2>/dev/null`" = att ; then + echo pyramid-pyramid-sysv3 + else + echo pyramid-pyramid-bsd + fi + exit ;; + NILE*:*:*:dcosx) + echo pyramid-pyramid-svr4 + exit ;; + DRS?6000:unix:4.0:6*) + echo sparc-icl-nx6 + exit ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) echo sparc-icl-nx7; exit ;; + esac ;; + s390x:SunOS:*:*) + echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4H:SunOS:5.*:*) + echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + eval $set_cc_for_build + SUN_ARCH=i386 + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if [ "$CC_FOR_BUILD" != no_compiler_found ]; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH=x86_64 + fi + fi + echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:*:*) + case "`/usr/bin/arch -k`" in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` + exit ;; + sun3*:SunOS:*:*) + echo m68k-sun-sunos${UNAME_RELEASE} + exit ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x${UNAME_RELEASE}" = x && UNAME_RELEASE=3 + case "`/bin/arch`" in + sun3) + echo m68k-sun-sunos${UNAME_RELEASE} + ;; + sun4) + echo sparc-sun-sunos${UNAME_RELEASE} + ;; + esac + exit ;; + aushp:SunOS:*:*) + echo sparc-auspex-sunos${UNAME_RELEASE} + exit ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; + m68k:machten:*:*) + echo m68k-apple-machten${UNAME_RELEASE} + exit ;; + powerpc:machten:*:*) + echo powerpc-apple-machten${UNAME_RELEASE} + exit ;; + RISC*:Mach:*:*) + echo mips-dec-mach_bsd4.3 + exit ;; + RISC*:ULTRIX:*:*) + echo mips-dec-ultrix${UNAME_RELEASE} + exit ;; + VAX*:ULTRIX*:*:*) + echo vax-dec-ultrix${UNAME_RELEASE} + exit ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + echo clipper-intergraph-clix${UNAME_RELEASE} + exit ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && + dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`$dummy $dummyarg` && + { echo "$SYSTEM_NAME"; exit; } + echo mips-mips-riscos${UNAME_RELEASE} + exit ;; + Motorola:PowerMAX_OS:*:*) + echo powerpc-motorola-powermax + exit ;; + Motorola:*:4.3:PL8-*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:Power_UNIX:*:*) + echo powerpc-harris-powerunix + exit ;; + m88k:CX/UX:7*:*) + echo m88k-harris-cxux7 + exit ;; + m88k:*:4*:R4*) + echo m88k-motorola-sysv4 + exit ;; + m88k:*:3*:R3*) + echo m88k-motorola-sysv3 + exit ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] + then + if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ + [ ${TARGET_BINARY_INTERFACE}x = x ] + then + echo m88k-dg-dgux${UNAME_RELEASE} + else + echo m88k-dg-dguxbcs${UNAME_RELEASE} + fi + else + echo i586-dg-dgux${UNAME_RELEASE} + fi + exit ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + echo m88k-dolphin-sysv3 + exit ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + echo m88k-motorola-sysv3 + exit ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + echo m88k-tektronix-sysv3 + exit ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + echo m68k-tektronix-bsd + exit ;; + *:IRIX*:*:*) + echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` + exit ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id + exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + echo i386-ibm-aix + exit ;; + ia64:AIX:*:*) + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} + exit ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` + then + echo "$SYSTEM_NAME" + else + echo rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + echo rs6000-ibm-aix3.2.4 + else + echo rs6000-ibm-aix3.2 + fi + exit ;; + *:AIX:*:[4567]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if [ -x /usr/bin/lslpp ] ; then + IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | + awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${IBM_ARCH}-ibm-aix${IBM_REV} + exit ;; + *:AIX:*:*) + echo rs6000-ibm-aix + exit ;; + ibmrt:4.4BSD:*|romp-ibm:BSD:*) + echo romp-ibm-bsd4.4 + exit ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to + exit ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + echo rs6000-bull-bosx + exit ;; + DPX/2?00:B.O.S.:*:*) + echo m68k-bull-sysv3 + exit ;; + 9000/[34]??:4.3bsd:1.*:*) + echo m68k-hp-bsd + exit ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + echo m68k-hp-bsd4.4 + exit ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + case "${UNAME_MACHINE}" in + 9000/31? ) HP_ARCH=m68000 ;; + 9000/[34]?? ) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if [ -x /usr/bin/getconf ]; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 + 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH=hppa2.0n ;; + 64) HP_ARCH=hppa2.0w ;; + '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 + esac ;; + esac + fi + if [ "${HP_ARCH}" = "" ]; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS="" $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if [ ${HP_ARCH} = hppa2.0w ] + then + eval $set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH=hppa2.0w + else + HP_ARCH=hppa64 + fi + fi + echo ${HP_ARCH}-hp-hpux${HPUX_REV} + exit ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + echo ia64-hp-hpux${HPUX_REV} + exit ;; + 3050*:HI-UX:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + echo unknown-hitachi-hiuxwe2 + exit ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) + echo hppa1.1-hp-bsd + exit ;; + 9000/8??:4.3bsd:*:*) + echo hppa1.0-hp-bsd + exit ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + echo hppa1.0-hp-mpeix + exit ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) + echo hppa1.1-hp-osf + exit ;; + hp8??:OSF1:*:*) + echo hppa1.0-hp-osf + exit ;; + i*86:OSF1:*:*) + if [ -x /usr/sbin/sysversion ] ; then + echo ${UNAME_MACHINE}-unknown-osf1mk + else + echo ${UNAME_MACHINE}-unknown-osf1 + fi + exit ;; + parisc*:Lites*:*:*) + echo hppa1.1-hp-lites + exit ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + echo c1-convex-bsd + exit ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + echo c34-convex-bsd + exit ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + echo c38-convex-bsd + exit ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + echo c4-convex-bsd + exit ;; + CRAY*Y-MP:*:*:*) + echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*[A-Z]90:*:*:*) + echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*T3E:*:*:*) + echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*SV1:*:*:*) + echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + *:UNICOS/mp:*:*) + echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` + FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} + exit ;; + sparc*:BSD/OS:*:*) + echo sparc-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:BSD/OS:*:*) + echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:FreeBSD:*:*) + UNAME_PROCESSOR=`/usr/bin/uname -p` + case ${UNAME_PROCESSOR} in + amd64) + echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + *) + echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + esac + exit ;; + i*:CYGWIN*:*) + echo ${UNAME_MACHINE}-pc-cygwin + exit ;; + *:MINGW64*:*) + echo ${UNAME_MACHINE}-pc-mingw64 + exit ;; + *:MINGW*:*) + echo ${UNAME_MACHINE}-pc-mingw32 + exit ;; + *:MSYS*:*) + echo ${UNAME_MACHINE}-pc-msys + exit ;; + i*:windows32*:*) + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 + exit ;; + i*:PW*:*) + echo ${UNAME_MACHINE}-pc-pw32 + exit ;; + *:Interix*:*) + case ${UNAME_MACHINE} in + x86) + echo i586-pc-interix${UNAME_RELEASE} + exit ;; + authenticamd | genuineintel | EM64T) + echo x86_64-unknown-interix${UNAME_RELEASE} + exit ;; + IA64) + echo ia64-unknown-interix${UNAME_RELEASE} + exit ;; + esac ;; + [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) + echo i${UNAME_MACHINE}-pc-mks + exit ;; + 8664:Windows_NT:*) + echo x86_64-pc-mks + exit ;; + i*:Windows_NT*:* | Pentium*:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we + # UNAME_MACHINE based on the output of uname instead of i386? + echo i586-pc-interix + exit ;; + i*:UWIN*:*) + echo ${UNAME_MACHINE}-pc-uwin + exit ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + echo x86_64-unknown-cygwin + exit ;; + p*:CYGWIN*:*) + echo powerpcle-unknown-cygwin + exit ;; + prep*:SunOS:5.*:*) + echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + *:GNU:*:*) + # the GNU system + echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` + exit ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} + exit ;; + i*86:Minix:*:*) + echo ${UNAME_MACHINE}-pc-minix + exit ;; + aarch64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC=gnulibc1 ; fi + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arc:Linux:*:* | arceb:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi + else + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf + fi + fi + exit ;; + avr32*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + cris:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + crisv32:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + e2k:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + frv:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + hexagon:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + ia64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + k1om:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m32r*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m68*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #undef CPU + #undef ${UNAME_MACHINE} + #undef ${UNAME_MACHINE}el + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + CPU=${UNAME_MACHINE}el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + CPU=${UNAME_MACHINE} + #else + CPU= + #endif + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` + test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } + ;; + mips64el:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + openrisc*:Linux:*:*) + echo or1k-unknown-linux-${LIBC} + exit ;; + or32:Linux:*:* | or1k*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + padre:Linux:*:*) + echo sparc-unknown-linux-${LIBC} + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-${LIBC} + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; + PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; + *) echo hppa-unknown-linux-${LIBC} ;; + esac + exit ;; + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-${LIBC} + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-${LIBC} + exit ;; + ppc64le:Linux:*:*) + echo powerpc64le-unknown-linux-${LIBC} + exit ;; + ppcle:Linux:*:*) + echo powerpcle-unknown-linux-${LIBC} + exit ;; + riscv32:Linux:*:* | riscv64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux-${LIBC} + exit ;; + sh64*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sh*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + tile*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + vax:Linux:*:*) + echo ${UNAME_MACHINE}-dec-linux-${LIBC} + exit ;; + x86_64:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + xtensa*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + echo i386-sequent-sysv4 + exit ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} + exit ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + echo ${UNAME_MACHINE}-pc-os2-emx + exit ;; + i*86:XTS-300:*:STOP) + echo ${UNAME_MACHINE}-unknown-stop + exit ;; + i*86:atheos:*:*) + echo ${UNAME_MACHINE}-unknown-atheos + exit ;; + i*86:syllable:*:*) + echo ${UNAME_MACHINE}-pc-syllable + exit ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + echo i386-unknown-lynxos${UNAME_RELEASE} + exit ;; + i*86:*DOS:*:*) + echo ${UNAME_MACHINE}-pc-msdosdjgpp + exit ;; + i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) + UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} + else + echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} + fi + exit ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + exit ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + echo ${UNAME_MACHINE}-pc-sco$UNAME_REL + else + echo ${UNAME_MACHINE}-pc-sysv32 + fi + exit ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configure will decide that + # this is a cross-build. + echo i586-pc-msdosdjgpp + exit ;; + Intel:Mach:3*:*) + echo i386-pc-mach3 + exit ;; + paragon:*:*:*) + echo i860-intel-osf1 + exit ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 + fi + exit ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + echo m68010-convergent-sysv + exit ;; + mc68k:UNIX:SYSTEM5:3.51m) + echo m68k-convergent-sysv + exit ;; + M680?0:D-NIX:5.3:*) + echo m68k-diab-dnix + exit ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + echo m68k-unknown-lynxos${UNAME_RELEASE} + exit ;; + mc68030:UNIX_System_V:4.*:*) + echo m68k-atari-sysv4 + exit ;; + TSUNAMI:LynxOS:2.*:*) + echo sparc-unknown-lynxos${UNAME_RELEASE} + exit ;; + rs6000:LynxOS:2.*:*) + echo rs6000-unknown-lynxos${UNAME_RELEASE} + exit ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + echo powerpc-unknown-lynxos${UNAME_RELEASE} + exit ;; + SM[BE]S:UNIX_SV:*:*) + echo mips-dde-sysv${UNAME_RELEASE} + exit ;; + RM*:ReliantUNIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + RM*:SINIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + echo ${UNAME_MACHINE}-sni-sysv4 + else + echo ns32k-sni-sysv + fi + exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + echo hppa1.1-stratus-sysv4 + exit ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + echo i860-stratus-sysv4 + exit ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + echo ${UNAME_MACHINE}-stratus-vos + exit ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + echo hppa1.1-stratus-vos + exit ;; + mc68*:A/UX:*:*) + echo m68k-apple-aux${UNAME_RELEASE} + exit ;; + news*:NEWS-OS:6*:*) + echo mips-sony-newsos6 + exit ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if [ -d /usr/nec ]; then + echo mips-nec-sysv${UNAME_RELEASE} + else + echo mips-unknown-sysv${UNAME_RELEASE} + fi + exit ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + echo powerpc-be-beos + exit ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + echo powerpc-apple-beos + exit ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + echo i586-pc-beos + exit ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + echo i586-pc-haiku + exit ;; + x86_64:Haiku:*:*) + echo x86_64-unknown-haiku + exit ;; + SX-4:SUPER-UX:*:*) + echo sx4-nec-superux${UNAME_RELEASE} + exit ;; + SX-5:SUPER-UX:*:*) + echo sx5-nec-superux${UNAME_RELEASE} + exit ;; + SX-6:SUPER-UX:*:*) + echo sx6-nec-superux${UNAME_RELEASE} + exit ;; + SX-7:SUPER-UX:*:*) + echo sx7-nec-superux${UNAME_RELEASE} + exit ;; + SX-8:SUPER-UX:*:*) + echo sx8-nec-superux${UNAME_RELEASE} + exit ;; + SX-8R:SUPER-UX:*:*) + echo sx8r-nec-superux${UNAME_RELEASE} + exit ;; + SX-ACE:SUPER-UX:*:*) + echo sxace-nec-superux${UNAME_RELEASE} + exit ;; + Power*:Rhapsody:*:*) + echo powerpc-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Rhapsody:*:*) + echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown + eval $set_cc_for_build + if test "$UNAME_PROCESSOR" = unknown ; then + UNAME_PROCESSOR=powerpc + fi + if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then + if [ "$CC_FOR_BUILD" != no_compiler_found ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + case $UNAME_PROCESSOR in + i386) UNAME_PROCESSOR=x86_64 ;; + powerpc) UNAME_PROCESSOR=powerpc64 ;; + esac + fi + fi + elif test "$UNAME_PROCESSOR" = i386 ; then + # Avoid executing cc on OS X 10.9, as it ships with a stub + # that puts up a graphical alert prompting to install + # developer tools. Any system running Mac OS X 10.7 or + # later (Darwin 11 and later) is required to have a 64-bit + # processor. This is not true of the ARM version of Darwin + # that Apple uses in portable devices. + UNAME_PROCESSOR=x86_64 + fi + echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} + exit ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = x86; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} + exit ;; + *:QNX:*:4*) + echo i386-pc-qnx + exit ;; + NEO-?:NONSTOP_KERNEL:*:*) + echo neo-tandem-nsk${UNAME_RELEASE} + exit ;; + NSE-*:NONSTOP_KERNEL:*:*) + echo nse-tandem-nsk${UNAME_RELEASE} + exit ;; + NSR-?:NONSTOP_KERNEL:*:*) + echo nsr-tandem-nsk${UNAME_RELEASE} + exit ;; + *:NonStop-UX:*:*) + echo mips-compaq-nonstopux + exit ;; + BS2000:POSIX*:*:*) + echo bs2000-siemens-sysv + exit ;; + DS/*:UNIX_System_V:*:*) + echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} + exit ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "$cputype" = 386; then + UNAME_MACHINE=i386 + else + UNAME_MACHINE="$cputype" + fi + echo ${UNAME_MACHINE}-unknown-plan9 + exit ;; + *:TOPS-10:*:*) + echo pdp10-unknown-tops10 + exit ;; + *:TENEX:*:*) + echo pdp10-unknown-tenex + exit ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + echo pdp10-dec-tops20 + exit ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + echo pdp10-xkl-tops20 + exit ;; + *:TOPS-20:*:*) + echo pdp10-unknown-tops20 + exit ;; + *:ITS:*:*) + echo pdp10-unknown-its + exit ;; + SEI:*:*:SEIUX) + echo mips-sei-seiux${UNAME_RELEASE} + exit ;; + *:DragonFly:*:*) + echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` + exit ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case "${UNAME_MACHINE}" in + A*) echo alpha-dec-vms ; exit ;; + I*) echo ia64-dec-vms ; exit ;; + V*) echo vax-dec-vms ; exit ;; + esac ;; + *:XENIX:*:SysV) + echo i386-pc-xenix + exit ;; + i*86:skyos:*:*) + echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE} | sed -e 's/ .*$//'` + exit ;; + i*86:rdos:*:*) + echo ${UNAME_MACHINE}-pc-rdos + exit ;; + i*86:AROS:*:*) + echo ${UNAME_MACHINE}-pc-aros + exit ;; + x86_64:VMkernel:*:*) + echo ${UNAME_MACHINE}-unknown-esx + exit ;; + amd64:Isilon\ OneFS:*:*) + echo x86_64-unknown-onefs + exit ;; +esac + +cat >&2 </dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = ${UNAME_MACHINE} +UNAME_RELEASE = ${UNAME_RELEASE} +UNAME_SYSTEM = ${UNAME_SYSTEM} +UNAME_VERSION = ${UNAME_VERSION} +EOF + +exit 1 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/spl/config/config.sub b/spl/config/config.sub new file mode 100755 index 000000000000..dd2ca93c6fbe --- /dev/null +++ b/spl/config/config.sub @@ -0,0 +1,1825 @@ +#! /bin/sh +# Configuration validation subroutine script. +# Copyright 1992-2016 Free Software Foundation, Inc. + +timestamp='2016-11-04' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). + + +# Please send patches to . +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS + +Canonicalize a configuration name. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright 1992-2016 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo $1 + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ + linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \ + kopensolaris*-gnu* | cloudabi*-eabi* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + android-linux) + os=-linux-android + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac + +### Let's recognize common machines as not being operating systems so +### that things like config.sub decstation-3100 work. We also +### recognize some manufacturers as not being operating systems, so we +### can provide default operating systems below. +case $os in + -sun*os*) + # Prevent following clause from handling this invalid input. + ;; + -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ + -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ + -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ + -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ + -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ + -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ + -apple | -axis | -knuth | -cray | -microblaze*) + os= + basic_machine=$1 + ;; + -bluegene*) + os=-cnk + ;; + -sim | -cisco | -oki | -wec | -winbond) + os= + basic_machine=$1 + ;; + -scout) + ;; + -wrs) + os=-vxworks + basic_machine=$1 + ;; + -chorusos*) + os=-chorusos + basic_machine=$1 + ;; + -chorusrdb) + os=-chorusrdb + basic_machine=$1 + ;; + -hiux*) + os=-hiuxwe2 + ;; + -sco6) + os=-sco5v6 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5) + os=-sco3.2v5 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco4) + os=-sco3.2v4 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2.[4-9]*) + os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2v[4-9]*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5v6*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco*) + os=-sco3.2v2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -udk*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -isc) + os=-isc2.2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -clix*) + basic_machine=clipper-intergraph + ;; + -isc*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -lynx*178) + os=-lynxos178 + ;; + -lynx*5) + os=-lynxos5 + ;; + -lynx*) + os=-lynxos + ;; + -ptx*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` + ;; + -windowsnt*) + os=`echo $os | sed -e 's/windowsnt/winnt/'` + ;; + -psos*) + os=-psos + ;; + -mint | -mint[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; +esac + +# Decode aliases for certain CPU-COMPANY combinations. +case $basic_machine in + # Recognize the basic CPU types without company name. + # Some are omitted here because they have special meanings below. + 1750a | 580 \ + | a29k \ + | aarch64 | aarch64_be \ + | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ + | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ + | am33_2.0 \ + | arc | arceb \ + | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ + | avr | avr32 \ + | ba \ + | be32 | be64 \ + | bfin \ + | c4x | c8051 | clipper \ + | d10v | d30v | dlx | dsp16xx \ + | e2k | epiphany \ + | fido | fr30 | frv | ft32 \ + | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | hexagon \ + | i370 | i860 | i960 | ia64 \ + | ip2k | iq2000 \ + | k1om \ + | le32 | le64 \ + | lm32 \ + | m32c | m32r | m32rle | m68000 | m68k | m88k \ + | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ + | mips | mipsbe | mipseb | mipsel | mipsle \ + | mips16 \ + | mips64 | mips64el \ + | mips64octeon | mips64octeonel \ + | mips64orion | mips64orionel \ + | mips64r5900 | mips64r5900el \ + | mips64vr | mips64vrel \ + | mips64vr4100 | mips64vr4100el \ + | mips64vr4300 | mips64vr4300el \ + | mips64vr5000 | mips64vr5000el \ + | mips64vr5900 | mips64vr5900el \ + | mipsisa32 | mipsisa32el \ + | mipsisa32r2 | mipsisa32r2el \ + | mipsisa32r6 | mipsisa32r6el \ + | mipsisa64 | mipsisa64el \ + | mipsisa64r2 | mipsisa64r2el \ + | mipsisa64r6 | mipsisa64r6el \ + | mipsisa64sb1 | mipsisa64sb1el \ + | mipsisa64sr71k | mipsisa64sr71kel \ + | mipsr5900 | mipsr5900el \ + | mipstx39 | mipstx39el \ + | mn10200 | mn10300 \ + | moxie \ + | mt \ + | msp430 \ + | nds32 | nds32le | nds32be \ + | nios | nios2 | nios2eb | nios2el \ + | ns16k | ns32k \ + | open8 | or1k | or1knd | or32 \ + | pdp10 | pdp11 | pj | pjl \ + | powerpc | powerpc64 | powerpc64le | powerpcle \ + | pru \ + | pyramid \ + | riscv32 | riscv64 \ + | rl78 | rx \ + | score \ + | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ + | sh64 | sh64le \ + | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ + | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ + | spu \ + | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ + | visium \ + | we32k \ + | x86 | xc16x | xstormy16 | xtensa \ + | z8k | z80) + basic_machine=$basic_machine-unknown + ;; + c54x) + basic_machine=tic54x-unknown + ;; + c55x) + basic_machine=tic55x-unknown + ;; + c6x) + basic_machine=tic6x-unknown + ;; + leon|leon[3-9]) + basic_machine=sparc-$basic_machine + ;; + m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) + basic_machine=$basic_machine-unknown + os=-none + ;; + m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) + ;; + ms1) + basic_machine=mt-unknown + ;; + + strongarm | thumb | xscale) + basic_machine=arm-unknown + ;; + xgate) + basic_machine=$basic_machine-unknown + os=-none + ;; + xscaleeb) + basic_machine=armeb-unknown + ;; + + xscaleel) + basic_machine=armel-unknown + ;; + + # We use `pc' rather than `unknown' + # because (1) that's what they normally are, and + # (2) the word "unknown" tends to confuse beginning users. + i*86 | x86_64) + basic_machine=$basic_machine-pc + ;; + # Object if more than one company name word. + *-*-*) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; + # Recognize the basic CPU types with company name. + 580-* \ + | a29k-* \ + | aarch64-* | aarch64_be-* \ + | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ + | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ + | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ + | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ + | avr-* | avr32-* \ + | ba-* \ + | be32-* | be64-* \ + | bfin-* | bs2000-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* \ + | c8051-* | clipper-* | craynv-* | cydra-* \ + | d10v-* | d30v-* | dlx-* \ + | e2k-* | elxsi-* \ + | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ + | h8300-* | h8500-* \ + | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | hexagon-* \ + | i*86-* | i860-* | i960-* | ia64-* \ + | ip2k-* | iq2000-* \ + | k1om-* \ + | le32-* | le64-* \ + | lm32-* \ + | m32c-* | m32r-* | m32rle-* \ + | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ + | microblaze-* | microblazeel-* \ + | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ + | mips16-* \ + | mips64-* | mips64el-* \ + | mips64octeon-* | mips64octeonel-* \ + | mips64orion-* | mips64orionel-* \ + | mips64r5900-* | mips64r5900el-* \ + | mips64vr-* | mips64vrel-* \ + | mips64vr4100-* | mips64vr4100el-* \ + | mips64vr4300-* | mips64vr4300el-* \ + | mips64vr5000-* | mips64vr5000el-* \ + | mips64vr5900-* | mips64vr5900el-* \ + | mipsisa32-* | mipsisa32el-* \ + | mipsisa32r2-* | mipsisa32r2el-* \ + | mipsisa32r6-* | mipsisa32r6el-* \ + | mipsisa64-* | mipsisa64el-* \ + | mipsisa64r2-* | mipsisa64r2el-* \ + | mipsisa64r6-* | mipsisa64r6el-* \ + | mipsisa64sb1-* | mipsisa64sb1el-* \ + | mipsisa64sr71k-* | mipsisa64sr71kel-* \ + | mipsr5900-* | mipsr5900el-* \ + | mipstx39-* | mipstx39el-* \ + | mmix-* \ + | mt-* \ + | msp430-* \ + | nds32-* | nds32le-* | nds32be-* \ + | nios-* | nios2-* | nios2eb-* | nios2el-* \ + | none-* | np1-* | ns16k-* | ns32k-* \ + | open8-* \ + | or1k*-* \ + | orion-* \ + | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ + | pru-* \ + | pyramid-* \ + | riscv32-* | riscv64-* \ + | rl78-* | romp-* | rs6000-* | rx-* \ + | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ + | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ + | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ + | sparclite-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \ + | tahoe-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ + | tile*-* \ + | tron-* \ + | ubicom32-* \ + | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ + | vax-* \ + | visium-* \ + | we32k-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* \ + | xstormy16-* | xtensa*-* \ + | ymp-* \ + | z8k-* | z80-*) + ;; + # Recognize the basic CPU types without company name, with glob match. + xtensa*) + basic_machine=$basic_machine-unknown + ;; + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 386bsd) + basic_machine=i386-unknown + os=-bsd + ;; + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + basic_machine=m68000-att + ;; + 3b*) + basic_machine=we32k-att + ;; + a29khif) + basic_machine=a29k-amd + os=-udi + ;; + abacus) + basic_machine=abacus-unknown + ;; + adobe68k) + basic_machine=m68010-adobe + os=-scout + ;; + alliant | fx80) + basic_machine=fx80-alliant + ;; + altos | altos3068) + basic_machine=m68k-altos + ;; + am29k) + basic_machine=a29k-none + os=-bsd + ;; + amd64) + basic_machine=x86_64-pc + ;; + amd64-*) + basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + amdahl) + basic_machine=580-amdahl + os=-sysv + ;; + amiga | amiga-*) + basic_machine=m68k-unknown + ;; + amigaos | amigados) + basic_machine=m68k-unknown + os=-amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + os=-sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + os=-sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + os=-bsd + ;; + aros) + basic_machine=i386-pc + os=-aros + ;; + asmjs) + basic_machine=asmjs-unknown + ;; + aux) + basic_machine=m68k-apple + os=-aux + ;; + balance) + basic_machine=ns32k-sequent + os=-dynix + ;; + blackfin) + basic_machine=bfin-unknown + os=-linux + ;; + blackfin-*) + basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + bluegene*) + basic_machine=powerpc-ibm + os=-cnk + ;; + c54x-*) + basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c55x-*) + basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c6x-*) + basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c90) + basic_machine=c90-cray + os=-unicos + ;; + cegcc) + basic_machine=arm-unknown + os=-cegcc + ;; + convex-c1) + basic_machine=c1-convex + os=-bsd + ;; + convex-c2) + basic_machine=c2-convex + os=-bsd + ;; + convex-c32) + basic_machine=c32-convex + os=-bsd + ;; + convex-c34) + basic_machine=c34-convex + os=-bsd + ;; + convex-c38) + basic_machine=c38-convex + os=-bsd + ;; + cray | j90) + basic_machine=j90-cray + os=-unicos + ;; + craynv) + basic_machine=craynv-cray + os=-unicosmp + ;; + cr16 | cr16-*) + basic_machine=cr16-unknown + os=-elf + ;; + crds | unos) + basic_machine=m68k-crds + ;; + crisv32 | crisv32-* | etraxfs*) + basic_machine=crisv32-axis + ;; + cris | cris-* | etrax*) + basic_machine=cris-axis + ;; + crx) + basic_machine=crx-unknown + os=-elf + ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; + decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) + basic_machine=mips-dec + ;; + decsystem10* | dec10*) + basic_machine=pdp10-dec + os=-tops10 + ;; + decsystem20* | dec20*) + basic_machine=pdp10-dec + os=-tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + basic_machine=m68k-motorola + ;; + delta88) + basic_machine=m88k-motorola + os=-sysv3 + ;; + dicos) + basic_machine=i686-pc + os=-dicos + ;; + djgpp) + basic_machine=i586-pc + os=-msdosdjgpp + ;; + dpx20 | dpx20-*) + basic_machine=rs6000-bull + os=-bosx + ;; + dpx2* | dpx2*-bull) + basic_machine=m68k-bull + os=-sysv3 + ;; + e500v[12]) + basic_machine=powerpc-unknown + os=$os"spe" + ;; + e500v[12]-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + os=$os"spe" + ;; + ebmon29k) + basic_machine=a29k-amd + os=-ebmon + ;; + elxsi) + basic_machine=elxsi-elxsi + os=-bsd + ;; + encore | umax | mmax) + basic_machine=ns32k-encore + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + os=-ose + ;; + fx2800) + basic_machine=i860-alliant + ;; + genix) + basic_machine=ns32k-ns + ;; + gmicro) + basic_machine=tron-gmicro + os=-sysv + ;; + go32) + basic_machine=i386-pc + os=-go32 + ;; + h3050r* | hiux*) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + h8300hms) + basic_machine=h8300-hitachi + os=-hms + ;; + h8300xray) + basic_machine=h8300-hitachi + os=-xray + ;; + h8500hms) + basic_machine=h8500-hitachi + os=-hms + ;; + harris) + basic_machine=m88k-harris + os=-sysv3 + ;; + hp300-*) + basic_machine=m68k-hp + ;; + hp300bsd) + basic_machine=m68k-hp + os=-bsd + ;; + hp300hpux) + basic_machine=m68k-hp + os=-hpux + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + basic_machine=m68000-hp + ;; + hp9k3[2-9][0-9]) + basic_machine=m68k-hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + basic_machine=hppa1.1-hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hppa-next) + os=-nextstep3 + ;; + hppaosf) + basic_machine=hppa1.1-hp + os=-osf + ;; + hppro) + basic_machine=hppa1.1-hp + os=-proelf + ;; + i370-ibm* | ibm*) + basic_machine=i370-ibm + ;; + i*86v32) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv32 + ;; + i*86v4*) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv4 + ;; + i*86v) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv + ;; + i*86sol2) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-solaris2 + ;; + i386mach) + basic_machine=i386-mach + os=-mach + ;; + i386-vsta | vsta) + basic_machine=i386-unknown + os=-vsta + ;; + iris | iris4d) + basic_machine=mips-sgi + case $os in + -irix*) + ;; + *) + os=-irix4 + ;; + esac + ;; + isi68 | isi) + basic_machine=m68k-isi + os=-sysv + ;; + leon-*|leon[3-9]-*) + basic_machine=sparc-`echo $basic_machine | sed 's/-.*//'` + ;; + m68knommu) + basic_machine=m68k-unknown + os=-linux + ;; + m68knommu-*) + basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + m88k-omron*) + basic_machine=m88k-omron + ;; + magnum | m3230) + basic_machine=mips-mips + os=-sysv + ;; + merlin) + basic_machine=ns32k-utek + os=-sysv + ;; + microblaze*) + basic_machine=microblaze-xilinx + ;; + mingw64) + basic_machine=x86_64-pc + os=-mingw64 + ;; + mingw32) + basic_machine=i686-pc + os=-mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + os=-mingw32ce + ;; + miniframe) + basic_machine=m68000-convergent + ;; + *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; + mips3*-*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` + ;; + mips3*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown + ;; + monitor) + basic_machine=m68k-rom68k + os=-coff + ;; + morphos) + basic_machine=powerpc-unknown + os=-morphos + ;; + moxiebox) + basic_machine=moxie-unknown + os=-moxiebox + ;; + msdos) + basic_machine=i386-pc + os=-msdos + ;; + ms1-*) + basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` + ;; + msys) + basic_machine=i686-pc + os=-msys + ;; + mvs) + basic_machine=i370-ibm + os=-mvs + ;; + nacl) + basic_machine=le32-unknown + os=-nacl + ;; + ncr3000) + basic_machine=i486-ncr + os=-sysv4 + ;; + netbsd386) + basic_machine=i386-unknown + os=-netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + os=-linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + os=-newsos + ;; + news1000) + basic_machine=m68030-sony + os=-newsos + ;; + news-3600 | risc-news) + basic_machine=mips-sony + os=-newsos + ;; + necv70) + basic_machine=v70-nec + os=-sysv + ;; + next | m*-next ) + basic_machine=m68k-next + case $os in + -nextstep* ) + ;; + -ns2*) + os=-nextstep2 + ;; + *) + os=-nextstep3 + ;; + esac + ;; + nh3000) + basic_machine=m68k-harris + os=-cxux + ;; + nh[45]000) + basic_machine=m88k-harris + os=-cxux + ;; + nindy960) + basic_machine=i960-intel + os=-nindy + ;; + mon960) + basic_machine=i960-intel + os=-mon960 + ;; + nonstopux) + basic_machine=mips-compaq + os=-nonstopux + ;; + np1) + basic_machine=np1-gould + ;; + neo-tandem) + basic_machine=neo-tandem + ;; + nse-tandem) + basic_machine=nse-tandem + ;; + nsr-tandem) + basic_machine=nsr-tandem + ;; + op50n-* | op60c-*) + basic_machine=hppa1.1-oki + os=-proelf + ;; + openrisc | openrisc-*) + basic_machine=or32-unknown + ;; + os400) + basic_machine=powerpc-ibm + os=-os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + os=-ose + ;; + os68k) + basic_machine=m68k-none + os=-os68k + ;; + pa-hitachi) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + paragon) + basic_machine=i860-intel + os=-osf + ;; + parisc) + basic_machine=hppa-unknown + os=-linux + ;; + parisc-*) + basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + pbd) + basic_machine=sparc-tti + ;; + pbb) + basic_machine=m68k-tti + ;; + pc532 | pc532-*) + basic_machine=ns32k-pc532 + ;; + pc98) + basic_machine=i386-pc + ;; + pc98-*) + basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium | p5 | k5 | k6 | nexgen | viac3) + basic_machine=i586-pc + ;; + pentiumpro | p6 | 6x86 | athlon | athlon_*) + basic_machine=i686-pc + ;; + pentiumii | pentium2 | pentiumiii | pentium3) + basic_machine=i686-pc + ;; + pentium4) + basic_machine=i786-pc + ;; + pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) + basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumpro-* | p6-* | 6x86-* | athlon-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium4-*) + basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pn) + basic_machine=pn-gould + ;; + power) basic_machine=power-ibm + ;; + ppc | ppcbe) basic_machine=powerpc-unknown + ;; + ppc-* | ppcbe-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppcle | powerpclittle) + basic_machine=powerpcle-unknown + ;; + ppcle-* | powerpclittle-*) + basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64) basic_machine=powerpc64-unknown + ;; + ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64le | powerpc64little) + basic_machine=powerpc64le-unknown + ;; + ppc64le-* | powerpc64little-*) + basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ps2) + basic_machine=i386-ibm + ;; + pw32) + basic_machine=i586-unknown + os=-pw32 + ;; + rdos | rdos64) + basic_machine=x86_64-pc + os=-rdos + ;; + rdos32) + basic_machine=i386-pc + os=-rdos + ;; + rom68k) + basic_machine=m68k-rom68k + os=-coff + ;; + rm[46]00) + basic_machine=mips-siemens + ;; + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; + s390 | s390-*) + basic_machine=s390-ibm + ;; + s390x | s390x-*) + basic_machine=s390x-ibm + ;; + sa29200) + basic_machine=a29k-amd + os=-udi + ;; + sb1) + basic_machine=mipsisa64sb1-unknown + ;; + sb1el) + basic_machine=mipsisa64sb1el-unknown + ;; + sde) + basic_machine=mipsisa32-sde + os=-elf + ;; + sei) + basic_machine=mips-sei + os=-seiux + ;; + sequent) + basic_machine=i386-sequent + ;; + sh) + basic_machine=sh-hitachi + os=-hms + ;; + sh5el) + basic_machine=sh5le-unknown + ;; + sh64) + basic_machine=sh64-unknown + ;; + sparclite-wrs | simso-wrs) + basic_machine=sparclite-wrs + os=-vxworks + ;; + sps7) + basic_machine=m68k-bull + os=-sysv2 + ;; + spur) + basic_machine=spur-unknown + ;; + st2000) + basic_machine=m68k-tandem + ;; + stratus) + basic_machine=i860-stratus + os=-sysv4 + ;; + strongarm-* | thumb-*) + basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + sun2) + basic_machine=m68000-sun + ;; + sun2os3) + basic_machine=m68000-sun + os=-sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + os=-sunos4 + ;; + sun3os3) + basic_machine=m68k-sun + os=-sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + os=-sunos4 + ;; + sun4os3) + basic_machine=sparc-sun + os=-sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + os=-sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + os=-solaris2 + ;; + sun3 | sun3-*) + basic_machine=m68k-sun + ;; + sun4) + basic_machine=sparc-sun + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + ;; + sv1) + basic_machine=sv1-cray + os=-unicos + ;; + symmetry) + basic_machine=i386-sequent + os=-dynix + ;; + t3e) + basic_machine=alphaev5-cray + os=-unicos + ;; + t90) + basic_machine=t90-cray + os=-unicos + ;; + tile*) + basic_machine=$basic_machine-unknown + os=-linux-gnu + ;; + tx39) + basic_machine=mipstx39-unknown + ;; + tx39el) + basic_machine=mipstx39el-unknown + ;; + toad1) + basic_machine=pdp10-xkl + os=-tops20 + ;; + tower | tower-32) + basic_machine=m68k-ncr + ;; + tpf) + basic_machine=s390x-ibm + os=-tpf + ;; + udi29k) + basic_machine=a29k-amd + os=-udi + ;; + ultra3) + basic_machine=a29k-nyu + os=-sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + os=-none + ;; + vaxv) + basic_machine=vax-dec + os=-sysv + ;; + vms) + basic_machine=vax-dec + os=-vms + ;; + vpp*|vx|vx-*) + basic_machine=f301-fujitsu + ;; + vxworks960) + basic_machine=i960-wrs + os=-vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + os=-vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + os=-vxworks + ;; + w65*) + basic_machine=w65-wdc + os=-none + ;; + w89k-*) + basic_machine=hppa1.1-winbond + os=-proelf + ;; + xbox) + basic_machine=i686-pc + os=-mingw32 + ;; + xps | xps100) + basic_machine=xps100-honeywell + ;; + xscale-* | xscalee[bl]-*) + basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` + ;; + ymp) + basic_machine=ymp-cray + os=-unicos + ;; + z8k-*-coff) + basic_machine=z8k-unknown + os=-sim + ;; + z80-*-coff) + basic_machine=z80-unknown + os=-sim + ;; + none) + basic_machine=none-none + os=-none + ;; + +# Here we handle the default manufacturer of certain CPU types. It is in +# some cases the only manufacturer, in others, it is the most popular. + w89k) + basic_machine=hppa1.1-winbond + ;; + op50n) + basic_machine=hppa1.1-oki + ;; + op60c) + basic_machine=hppa1.1-oki + ;; + romp) + basic_machine=romp-ibm + ;; + mmix) + basic_machine=mmix-knuth + ;; + rs6000) + basic_machine=rs6000-ibm + ;; + vax) + basic_machine=vax-dec + ;; + pdp10) + # there are many clones, so DEC is not a safe bet + basic_machine=pdp10-unknown + ;; + pdp11) + basic_machine=pdp11-dec + ;; + we32k) + basic_machine=we32k-att + ;; + sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele) + basic_machine=sh-unknown + ;; + sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) + basic_machine=sparc-sun + ;; + cydra) + basic_machine=cydra-cydrome + ;; + orion) + basic_machine=orion-highlevel + ;; + orion105) + basic_machine=clipper-highlevel + ;; + mac | mpw | mac-mpw) + basic_machine=m68k-apple + ;; + pmac | pmac-mpw) + basic_machine=powerpc-apple + ;; + *-unknown) + # Make sure to match an already-canonicalized machine name. + ;; + *) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $basic_machine in + *-digital*) + basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` + ;; + *-commodore*) + basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if [ x"$os" != x"" ] +then +case $os in + # First match some system type aliases + # that might get confused with valid system types. + # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; + -solaris1 | -solaris1.*) + os=`echo $os | sed -e 's|solaris1|sunos4|'` + ;; + -solaris) + os=-solaris2 + ;; + -svr4*) + os=-sysv4 + ;; + -unixware*) + os=-sysv4.2uw + ;; + -gnu/linux*) + os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` + ;; + # First accept the basic system types. + # The portable systems comes first. + # Each alternative MUST END IN A *, to match a version number. + # -sysv* is not here because it comes later, after sysvr4. + -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ + | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* | -plan9* \ + | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ + | -aos* | -aros* | -cloudabi* | -sortix* \ + | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ + | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ + | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ + | -bitrig* | -openbsd* | -solidbsd* | -libertybsd* \ + | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ + | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ + | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ + | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ + | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ + | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ + | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \ + | -onefs* | -tirtos* | -phoenix* | -fuchsia*) + # Remember, each alternative MUST END IN *, to match a version number. + ;; + -qnx*) + case $basic_machine in + x86-* | i*86-*) + ;; + *) + os=-nto$os + ;; + esac + ;; + -nto-qnx*) + ;; + -nto*) + os=`echo $os | sed -e 's|nto|nto-qnx|'` + ;; + -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \ + | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \ + | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*) + ;; + -mac*) + os=`echo $os | sed -e 's|mac|macos|'` + ;; + -linux-dietlibc) + os=-linux-dietlibc + ;; + -linux*) + os=`echo $os | sed -e 's|linux|linux-gnu|'` + ;; + -sunos5*) + os=`echo $os | sed -e 's|sunos5|solaris2|'` + ;; + -sunos6*) + os=`echo $os | sed -e 's|sunos6|solaris3|'` + ;; + -opened*) + os=-openedition + ;; + -os400*) + os=-os400 + ;; + -wince*) + os=-wince + ;; + -osfrose*) + os=-osfrose + ;; + -osf*) + os=-osf + ;; + -utek*) + os=-bsd + ;; + -dynix*) + os=-bsd + ;; + -acis*) + os=-aos + ;; + -atheos*) + os=-atheos + ;; + -syllable*) + os=-syllable + ;; + -386bsd) + os=-bsd + ;; + -ctix* | -uts*) + os=-sysv + ;; + -nova*) + os=-rtmk-nova + ;; + -ns2 ) + os=-nextstep2 + ;; + -nsk*) + os=-nsk + ;; + # Preserve the version number of sinix5. + -sinix5.*) + os=`echo $os | sed -e 's|sinix|sysv|'` + ;; + -sinix*) + os=-sysv4 + ;; + -tpf*) + os=-tpf + ;; + -triton*) + os=-sysv3 + ;; + -oss*) + os=-sysv3 + ;; + -svr4) + os=-sysv4 + ;; + -svr3) + os=-sysv3 + ;; + -sysvr4) + os=-sysv4 + ;; + # This must come after -sysvr4. + -sysv*) + ;; + -ose*) + os=-ose + ;; + -es1800*) + os=-ose + ;; + -xenix) + os=-xenix + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + os=-mint + ;; + -aros*) + os=-aros + ;; + -zvmoe) + os=-zvmoe + ;; + -dicos*) + os=-dicos + ;; + -nacl*) + ;; + -ios) + ;; + -none) + ;; + *) + # Get rid of the `-' at the beginning of $os. + os=`echo $os | sed 's/[^-]*-//'` + echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 + exit 1 + ;; +esac +else + +# Here we handle the default operating systems that come with various machines. +# The value should be what the vendor currently ships out the door with their +# machine or put another way, the most popular os provided with the machine. + +# Note that if you're going to try to match "-MANUFACTURER" here (say, +# "-sun"), then you have to tell the case statement up towards the top +# that MANUFACTURER isn't an operating system. Otherwise, code above +# will signal an error saying that MANUFACTURER isn't an operating +# system, and we'll never get to this point. + +case $basic_machine in + score-*) + os=-elf + ;; + spu-*) + os=-elf + ;; + *-acorn) + os=-riscix1.2 + ;; + arm*-rebel) + os=-linux + ;; + arm*-semi) + os=-aout + ;; + c4x-* | tic4x-*) + os=-coff + ;; + c8051-*) + os=-elf + ;; + hexagon-*) + os=-elf + ;; + tic54x-*) + os=-coff + ;; + tic55x-*) + os=-coff + ;; + tic6x-*) + os=-coff + ;; + # This must come before the *-dec entry. + pdp10-*) + os=-tops20 + ;; + pdp11-*) + os=-none + ;; + *-dec | vax-*) + os=-ultrix4.2 + ;; + m68*-apollo) + os=-domain + ;; + i386-sun) + os=-sunos4.0.2 + ;; + m68000-sun) + os=-sunos3 + ;; + m68*-cisco) + os=-aout + ;; + mep-*) + os=-elf + ;; + mips*-cisco) + os=-elf + ;; + mips*-*) + os=-elf + ;; + or32-*) + os=-coff + ;; + *-tti) # must be before sparc entry or we get the wrong os. + os=-sysv3 + ;; + sparc-* | *-sun) + os=-sunos4.1.1 + ;; + *-be) + os=-beos + ;; + *-haiku) + os=-haiku + ;; + *-ibm) + os=-aix + ;; + *-knuth) + os=-mmixware + ;; + *-wec) + os=-proelf + ;; + *-winbond) + os=-proelf + ;; + *-oki) + os=-proelf + ;; + *-hp) + os=-hpux + ;; + *-hitachi) + os=-hiux + ;; + i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) + os=-sysv + ;; + *-cbm) + os=-amigaos + ;; + *-dg) + os=-dgux + ;; + *-dolphin) + os=-sysv3 + ;; + m68k-ccur) + os=-rtu + ;; + m88k-omron*) + os=-luna + ;; + *-next ) + os=-nextstep + ;; + *-sequent) + os=-ptx + ;; + *-crds) + os=-unos + ;; + *-ns) + os=-genix + ;; + i370-*) + os=-mvs + ;; + *-next) + os=-nextstep3 + ;; + *-gould) + os=-sysv + ;; + *-highlevel) + os=-bsd + ;; + *-encore) + os=-bsd + ;; + *-sgi) + os=-irix + ;; + *-siemens) + os=-sysv4 + ;; + *-masscomp) + os=-rtu + ;; + f30[01]-fujitsu | f700-fujitsu) + os=-uxpv + ;; + *-rom68k) + os=-coff + ;; + *-*bug) + os=-coff + ;; + *-apple) + os=-macos + ;; + *-atari*) + os=-mint + ;; + *) + os=-none + ;; +esac +fi + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +vendor=unknown +case $basic_machine in + *-unknown) + case $os in + -riscix*) + vendor=acorn + ;; + -sunos*) + vendor=sun + ;; + -cnk*|-aix*) + vendor=ibm + ;; + -beos*) + vendor=be + ;; + -hpux*) + vendor=hp + ;; + -mpeix*) + vendor=hp + ;; + -hiux*) + vendor=hitachi + ;; + -unos*) + vendor=crds + ;; + -dgux*) + vendor=dg + ;; + -luna*) + vendor=omron + ;; + -genix*) + vendor=ns + ;; + -mvs* | -opened*) + vendor=ibm + ;; + -os400*) + vendor=ibm + ;; + -ptx*) + vendor=sequent + ;; + -tpf*) + vendor=ibm + ;; + -vxsim* | -vxworks* | -windiss*) + vendor=wrs + ;; + -aux*) + vendor=apple + ;; + -hms*) + vendor=hitachi + ;; + -mpw* | -macos*) + vendor=apple + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + vendor=atari + ;; + -vos*) + vendor=stratus + ;; + esac + basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` + ;; +esac + +echo $basic_machine$os +exit + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/spl/config/deb.am b/spl/config/deb.am new file mode 100644 index 000000000000..a2bad0260d32 --- /dev/null +++ b/spl/config/deb.am @@ -0,0 +1,51 @@ +############################################################################### +# Copyright (C) 2010 Lawrence Livermore National Security, LLC. +# Written by Brian Behlendorf . +############################################################################### +# Build targets for DEB packages. +# +# Long term native distro specific Debian style packaging should be added. +# In the short term RPM packages are built and converted to DEB packages +# using alien. If someone familiar with Debian style packaging were to +# update the build system to correctly build Debian style packages I would +# happily take it. Until then we will have to make due with alien. +# +############################################################################### + +deb-local: + @(if test "${HAVE_DPKGBUILD}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${DPKGBUILD} missing. Please install the\n" \ + "*** package for your distribution which provides ${DPKGBUILD},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi; \ + if test "${HAVE_ALIEN}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${ALIEN} missing. Please install the\n" \ + "*** package for your distribution which provides ${ALIEN},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi) + +deb-kmod: deb-local rpm-kmod +if CONFIG_KERNEL + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-kmod-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=kmod-$${name}*$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --bump=0 --scripts --to-deb $$pkg1; \ + $(RM) $$pkg1 +endif + +deb-utils: deb-local rpm-utils +if CONFIG_USER + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=$${name}-$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --bump=0 --scripts --to-deb $$pkg1; \ + $(RM) $$pkg1 +endif + +deb: deb-kmod deb-utils diff --git a/spl/config/depcomp b/spl/config/depcomp new file mode 100755 index 000000000000..fc98710e2a1d --- /dev/null +++ b/spl/config/depcomp @@ -0,0 +1,791 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2013-05-30.07; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by 'PROGRAMS ARGS'. + object Object file output by 'PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputting dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + +# A tabulation character. +tab=' ' +# A newline character. +nl=' +' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Avoid interferences from the environment. +gccflag= dashmflag= + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp +fi + +if test "$depmode" = msvc7msys; then + # This is just like msvc7 but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvc7 +fi + +if test "$depmode" = xlc; then + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above). +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). Also, it might not be +## supported by the other compilers which use the 'gcc' depmode. +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The second -e expression handles DOS-style file names with drive + # letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the "deleted header file" problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. +## Some versions of gcc put a space before the ':'. On the theory +## that the space means something, we add a space to the output as +## well. hp depmode also adds that space, but also prefixes the VPATH +## to the object. Take care to not repeat it in the output. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like '#:fec' to the end of the + # dependency line. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ + | tr "$nl" ' ' >> "$depfile" + echo >> "$depfile" + # The second pass generates a dummy entry for each header file. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" + ;; + +xlc) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts '$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + aix_post_process_depfile + ;; + +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" + rm -f "$tmpdepfile" + ;; + +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file. A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) + # Portland's C compiler understands '-MD'. + # Will always output deps to 'file.d' where file is the root name of the + # source file under compilation, even if file resides in a subdirectory. + # The object file name does not affect the name of the '.d' file. + # pgcc 10.2 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using '\' : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + set_dir_from "$object" + # Use the source, not the object, to determine the base name, since + # that's sadly what pgcc will do too. + set_base_from "$source" + tmpdepfile=$base.d + + # For projects that build the same source file twice into different object + # files, the pgcc approach of using the *source* file root name can cause + # problems in parallel builds. Use a locking strategy to avoid stomping on + # the same $tmpdepfile. + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 + numtries=100 + i=$numtries + while test $i -gt 0; do + # mkdir is a portable test-and-set. + if mkdir "$lockdir" 2>/dev/null; then + # This process acquired the lock. + "$@" -MD + stat=$? + # Release the lock. + rmdir "$lockdir" + break + else + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do + sleep 1 + i=`expr $i - 1` + done + fi + i=`expr $i - 1` + done + trap - 1 2 13 15 + if test $i -le 0; then + echo "$0: failed to acquire lock after $numtries attempts" >&2 + echo "$0: check lockdir '$lockdir'" >&2 + exit 1 + fi + + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" + # Add 'dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" + + if test "$libtool" = yes; then + # Libtool generates 2 separate objects for the 2 libraries. These + # two compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; + +msvc7) + if test "$libtool" = yes; then + showIncludes=-Wc,-showIncludes + else + showIncludes=-showIncludes + fi + "$@" $showIncludes > "$tmpdepfile" + stat=$? + grep -v '^Note: including file: ' "$tmpdepfile" + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The first sed program below extracts the file names and escapes + # backslashes for cygpath. The second sed program outputs the file + # name when reading, but also accumulates all include files in the + # hold buffer in order to output them again at the end. This only + # works with sed implementations that can handle large buffers. + sed < "$tmpdepfile" -n ' +/^Note: including file: *\(.*\)/ { + s//\1/ + s/\\/\\\\/g + p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { + s/.*/'"$tab"'/ + G + p +}' >> "$depfile" + echo >> "$depfile" # make sure the fragment doesn't end with a backslash + rm -f "$tmpdepfile" + ;; + +msvc7msys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for ':' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. + "$@" $dashmflag | + sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + # makedepend may prepend the VPATH from the source file name to the object. + # No need to regex-escape $object, excess matching of '.' is harmless. + sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E \ + | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + | sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" + echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/spl/config/install-sh b/spl/config/install-sh new file mode 100755 index 000000000000..59990a104926 --- /dev/null +++ b/spl/config/install-sh @@ -0,0 +1,508 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2014-09-12.12; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +tab=' ' +nl=' +' +IFS=" $tab$nl" + +# Set DOITPROG to "echo" to test this script. + +doit=${DOITPROG-} +doit_exec=${doit:-exec} + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +is_target_a_directory=possibly + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) + is_target_a_directory=always + dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) is_target_a_directory=never;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +# We allow the use of options -d and -T together, by making -d +# take the precedence; this is for compatibility with GNU install. + +if test -n "$dir_arg"; then + if test -n "$dst_arg"; then + echo "$0: target directory not allowed when installing a directory." >&2 + exit 1 + fi +fi + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + if test $# -gt 1 || test "$is_target_a_directory" = always; then + if test ! -d "$dst_arg"; then + echo "$0: $dst_arg: Is not a directory." >&2 + exit 1 + fi + fi +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test "$is_target_a_directory" = never; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + dstdir=`dirname "$dst"` + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + # $RANDOM is not portable (e.g. dash); use it when possible to + # lower collision chance + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0 + + # As "mkdir -p" follows symlinks and we work in /tmp possibly; so + # create the $tmpdir first (and fail if unsuccessful) to make sure + # that nobody tries to guess the $tmpdir name. + if (umask $mkdir_umask && + $mkdirprog $mkdir_mode "$tmpdir" && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + test_tmpdir="$tmpdir/a" + ls_ld_tmpdir=`ls -ld "$test_tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$test_tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + oIFS=$IFS + IFS=/ + set -f + set fnord $dstdir + shift + set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + set +f && + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/spl/config/libtool.m4 b/spl/config/libtool.m4 new file mode 100644 index 000000000000..ee80844b619f --- /dev/null +++ b/spl/config/libtool.m4 @@ -0,0 +1,8387 @@ +# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- +# +# Copyright (C) 1996-2001, 2003-2015 Free Software Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +m4_define([_LT_COPYING], [dnl +# Copyright (C) 2014 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program or library that is built +# using GNU Libtool, you may include this file under the same +# distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +]) + +# serial 58 LT_INIT + + +# LT_PREREQ(VERSION) +# ------------------ +# Complain and exit if this libtool version is less that VERSION. +m4_defun([LT_PREREQ], +[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, + [m4_default([$3], + [m4_fatal([Libtool version $1 or higher is required], + 63)])], + [$2])]) + + +# _LT_CHECK_BUILDDIR +# ------------------ +# Complain if the absolute build directory name contains unusual characters +m4_defun([_LT_CHECK_BUILDDIR], +[case `pwd` in + *\ * | *\ *) + AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; +esac +]) + + +# LT_INIT([OPTIONS]) +# ------------------ +AC_DEFUN([LT_INIT], +[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK +AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +AC_BEFORE([$0], [LT_LANG])dnl +AC_BEFORE([$0], [LT_OUTPUT])dnl +AC_BEFORE([$0], [LTDL_INIT])dnl +m4_require([_LT_CHECK_BUILDDIR])dnl + +dnl Autoconf doesn't catch unexpanded LT_ macros by default: +m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl +m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl +dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 +dnl unless we require an AC_DEFUNed macro: +AC_REQUIRE([LTOPTIONS_VERSION])dnl +AC_REQUIRE([LTSUGAR_VERSION])dnl +AC_REQUIRE([LTVERSION_VERSION])dnl +AC_REQUIRE([LTOBSOLETE_VERSION])dnl +m4_require([_LT_PROG_LTMAIN])dnl + +_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) + +dnl Parse OPTIONS +_LT_SET_OPTIONS([$0], [$1]) + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS=$ltmain + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' +AC_SUBST(LIBTOOL)dnl + +_LT_SETUP + +# Only expand once: +m4_define([LT_INIT]) +])# LT_INIT + +# Old names: +AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) +AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PROG_LIBTOOL], []) +dnl AC_DEFUN([AM_PROG_LIBTOOL], []) + + +# _LT_PREPARE_CC_BASENAME +# ----------------------- +m4_defun([_LT_PREPARE_CC_BASENAME], [ +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in @S|@*""; do + case $cc_temp in + compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; + distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} +])# _LT_PREPARE_CC_BASENAME + + +# _LT_CC_BASENAME(CC) +# ------------------- +# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME, +# but that macro is also expanded into generated libtool script, which +# arranges for $SED and $ECHO to be set by different means. +m4_defun([_LT_CC_BASENAME], +[m4_require([_LT_PREPARE_CC_BASENAME])dnl +AC_REQUIRE([_LT_DECL_SED])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl +func_cc_basename $1 +cc_basename=$func_cc_basename_result +]) + + +# _LT_FILEUTILS_DEFAULTS +# ---------------------- +# It is okay to use these file commands and assume they have been set +# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'. +m4_defun([_LT_FILEUTILS_DEFAULTS], +[: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} +])# _LT_FILEUTILS_DEFAULTS + + +# _LT_SETUP +# --------- +m4_defun([_LT_SETUP], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl + +_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl +dnl +_LT_DECL([], [host_alias], [0], [The host system])dnl +_LT_DECL([], [host], [0])dnl +_LT_DECL([], [host_os], [0])dnl +dnl +_LT_DECL([], [build_alias], [0], [The build system])dnl +_LT_DECL([], [build], [0])dnl +_LT_DECL([], [build_os], [0])dnl +dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +dnl +AC_REQUIRE([AC_PROG_LN_S])dnl +test -z "$LN_S" && LN_S="ln -s" +_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl +dnl +AC_REQUIRE([LT_CMD_MAX_LEN])dnl +_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl +_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl +dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl +m4_require([_LT_CMD_RELOAD])dnl +m4_require([_LT_CHECK_MAGIC_METHOD])dnl +m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl +m4_require([_LT_CMD_OLD_ARCHIVE])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_WITH_SYSROOT])dnl +m4_require([_LT_CMD_TRUNCATE])dnl + +_LT_CONFIG_LIBTOOL_INIT([ +# See if we are running on zsh, and set the options that allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi +]) +if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + +_LT_CHECK_OBJDIR + +m4_require([_LT_TAG_COMPILER])dnl + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a '.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld=$lt_cv_prog_gnu_ld + +old_CC=$CC +old_CFLAGS=$CFLAGS + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +_LT_CC_BASENAME([$compiler]) + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + _LT_PATH_MAGIC + fi + ;; +esac + +# Use C for the default configuration in the libtool script +LT_SUPPORTED_TAG([CC]) +_LT_LANG_C_CONFIG +_LT_LANG_DEFAULT_CONFIG +_LT_CONFIG_COMMANDS +])# _LT_SETUP + + +# _LT_PREPARE_SED_QUOTE_VARS +# -------------------------- +# Define a few sed substitution that help us do robust quoting. +m4_defun([_LT_PREPARE_SED_QUOTE_VARS], +[# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\([["`\\]]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' +]) + +# _LT_PROG_LTMAIN +# --------------- +# Note that this code is called both from 'configure', and 'config.status' +# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, +# 'config.status' has no value for ac_aux_dir unless we are using Automake, +# so we pass a copy along to make sure it has a sensible value anyway. +m4_defun([_LT_PROG_LTMAIN], +[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl +_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) +ltmain=$ac_aux_dir/ltmain.sh +])# _LT_PROG_LTMAIN + + +## ------------------------------------- ## +## Accumulate code for creating libtool. ## +## ------------------------------------- ## + +# So that we can recreate a full libtool script including additional +# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS +# in macros and then make a single call at the end using the 'libtool' +# label. + + +# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) +# ---------------------------------------- +# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL_INIT], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_INIT], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_INIT]) + + +# _LT_CONFIG_LIBTOOL([COMMANDS]) +# ------------------------------ +# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) + + +# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) +# ----------------------------------------------------- +m4_defun([_LT_CONFIG_SAVE_COMMANDS], +[_LT_CONFIG_LIBTOOL([$1]) +_LT_CONFIG_LIBTOOL_INIT([$2]) +]) + + +# _LT_FORMAT_COMMENT([COMMENT]) +# ----------------------------- +# Add leading comment marks to the start of each line, and a trailing +# full-stop to the whole comment if one is not present already. +m4_define([_LT_FORMAT_COMMENT], +[m4_ifval([$1], [ +m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], + [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) +)]) + + + +## ------------------------ ## +## FIXME: Eliminate VARNAME ## +## ------------------------ ## + + +# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) +# ------------------------------------------------------------------- +# CONFIGNAME is the name given to the value in the libtool script. +# VARNAME is the (base) name used in the configure script. +# VALUE may be 0, 1 or 2 for a computed quote escaped value based on +# VARNAME. Any other value will be used directly. +m4_define([_LT_DECL], +[lt_if_append_uniq([lt_decl_varnames], [$2], [, ], + [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], + [m4_ifval([$1], [$1], [$2])]) + lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) + m4_ifval([$4], + [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) + lt_dict_add_subkey([lt_decl_dict], [$2], + [tagged?], [m4_ifval([$5], [yes], [no])])]) +]) + + +# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) +# -------------------------------------------------------- +m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) + + +# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_tag_varnames], +[_lt_decl_filter([tagged?], [yes], $@)]) + + +# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) +# --------------------------------------------------------- +m4_define([_lt_decl_filter], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [m4_fatal([$0: too few arguments: $#: $1])], + [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], + [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], + [lt_dict_filter([lt_decl_dict], $@)])[]dnl +]) + + +# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) +# -------------------------------------------------- +m4_define([lt_decl_quote_varnames], +[_lt_decl_filter([value], [1], $@)]) + + +# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_dquote_varnames], +[_lt_decl_filter([value], [2], $@)]) + + +# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_varnames_tagged], +[m4_assert([$# <= 2])dnl +_$0(m4_quote(m4_default([$1], [[, ]])), + m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), + m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) +m4_define([_lt_decl_varnames_tagged], +[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) + + +# lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_all_varnames], +[_$0(m4_quote(m4_default([$1], [[, ]])), + m4_if([$2], [], + m4_quote(lt_decl_varnames), + m4_quote(m4_shift($@))))[]dnl +]) +m4_define([_lt_decl_all_varnames], +[lt_join($@, lt_decl_varnames_tagged([$1], + lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl +]) + + +# _LT_CONFIG_STATUS_DECLARE([VARNAME]) +# ------------------------------------ +# Quote a variable value, and forward it to 'config.status' so that its +# declaration there will have the same value as in 'configure'. VARNAME +# must have a single quote delimited value for this to work. +m4_define([_LT_CONFIG_STATUS_DECLARE], +[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) + + +# _LT_CONFIG_STATUS_DECLARATIONS +# ------------------------------ +# We delimit libtool config variables with single quotes, so when +# we write them to config.status, we have to be sure to quote all +# embedded single quotes properly. In configure, this macro expands +# each variable declared with _LT_DECL (and _LT_TAGDECL) into: +# +# ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' +m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], +[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), + [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAGS +# ---------------- +# Output comment and list of tags supported by the script +m4_defun([_LT_LIBTOOL_TAGS], +[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl +available_tags='_LT_TAGS'dnl +]) + + +# _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) +# ----------------------------------- +# Extract the dictionary values for VARNAME (optionally with TAG) and +# expand to a commented shell variable setting: +# +# # Some comment about what VAR is for. +# visible_name=$lt_internal_name +m4_define([_LT_LIBTOOL_DECLARE], +[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], + [description])))[]dnl +m4_pushdef([_libtool_name], + m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl +m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), + [0], [_libtool_name=[$]$1], + [1], [_libtool_name=$lt_[]$1], + [2], [_libtool_name=$lt_[]$1], + [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl +m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl +]) + + +# _LT_LIBTOOL_CONFIG_VARS +# ----------------------- +# Produce commented declarations of non-tagged libtool config variables +# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool' +# script. Tagged libtool config variables (even for the LIBTOOL CONFIG +# section) are produced by _LT_LIBTOOL_TAG_VARS. +m4_defun([_LT_LIBTOOL_CONFIG_VARS], +[m4_foreach([_lt_var], + m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAG_VARS(TAG) +# ------------------------- +m4_define([_LT_LIBTOOL_TAG_VARS], +[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) + + +# _LT_TAGVAR(VARNAME, [TAGNAME]) +# ------------------------------ +m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) + + +# _LT_CONFIG_COMMANDS +# ------------------- +# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of +# variables for single and double quote escaping we saved from calls +# to _LT_DECL, we can put quote escaped variables declarations +# into 'config.status', and then the shell code to quote escape them in +# for loops in 'config.status'. Finally, any additional code accumulated +# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. +m4_defun([_LT_CONFIG_COMMANDS], +[AC_PROVIDE_IFELSE([LT_OUTPUT], + dnl If the libtool generation code has been placed in $CONFIG_LT, + dnl instead of duplicating it all over again into config.status, + dnl then we will have config.status run $CONFIG_LT later, so it + dnl needs to know what name is stored there: + [AC_CONFIG_COMMANDS([libtool], + [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], + dnl If the libtool generation code is destined for config.status, + dnl expand the accumulated commands and init code now: + [AC_CONFIG_COMMANDS([libtool], + [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) +])#_LT_CONFIG_COMMANDS + + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], +[ + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +_LT_CONFIG_STATUS_DECLARATIONS +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$[]1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_quote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_dquote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +_LT_OUTPUT_LIBTOOL_INIT +]) + +# _LT_GENERATED_FILE_INIT(FILE, [COMMENT]) +# ------------------------------------ +# Generate a child script FILE with all initialization necessary to +# reuse the environment learned by the parent script, and make the +# file executable. If COMMENT is supplied, it is inserted after the +# '#!' sequence but before initialization text begins. After this +# macro, additional text can be appended to FILE to form the body of +# the child script. The macro ends with non-zero status if the +# file could not be fully written (such as if the disk is full). +m4_ifdef([AS_INIT_GENERATED], +[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])], +[m4_defun([_LT_GENERATED_FILE_INIT], +[m4_require([AS_PREPARE])]dnl +[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl +[lt_write_fail=0 +cat >$1 <<_ASEOF || lt_write_fail=1 +#! $SHELL +# Generated by $as_me. +$2 +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$1 <<\_ASEOF || lt_write_fail=1 +AS_SHELL_SANITIZE +_AS_PREPARE +exec AS_MESSAGE_FD>&1 +_ASEOF +test 0 = "$lt_write_fail" && chmod +x $1[]dnl +m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT + +# LT_OUTPUT +# --------- +# This macro allows early generation of the libtool script (before +# AC_OUTPUT is called), incase it is used in configure for compilation +# tests. +AC_DEFUN([LT_OUTPUT], +[: ${CONFIG_LT=./config.lt} +AC_MSG_NOTICE([creating $CONFIG_LT]) +_LT_GENERATED_FILE_INIT(["$CONFIG_LT"], +[# Run this file to recreate a libtool stub with the current configuration.]) + +cat >>"$CONFIG_LT" <<\_LTEOF +lt_cl_silent=false +exec AS_MESSAGE_LOG_FD>>config.log +{ + echo + AS_BOX([Running $as_me.]) +} >&AS_MESSAGE_LOG_FD + +lt_cl_help="\ +'$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $[0] [[OPTIONS]] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl +m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) +configured by $[0], generated by m4_PACKAGE_STRING. + +Copyright (C) 2011 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test 0 != $[#] +do + case $[1] in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) AC_MSG_ERROR([unrecognized option: $[1] +Try '$[0] --help' for more information.]) ;; + + *) AC_MSG_ERROR([unrecognized argument: $[1] +Try '$[0] --help' for more information.]) ;; + esac + shift +done + +if $lt_cl_silent; then + exec AS_MESSAGE_FD>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF +_LT_OUTPUT_LIBTOOL_COMMANDS_INIT +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AC_MSG_NOTICE([creating $ofile]) +_LT_OUTPUT_LIBTOOL_COMMANDS +AS_EXIT(0) +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +lt_cl_success=: +test yes = "$silent" && + lt_config_lt_args="$lt_config_lt_args --quiet" +exec AS_MESSAGE_LOG_FD>/dev/null +$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false +exec AS_MESSAGE_LOG_FD>>config.log +$lt_cl_success || AS_EXIT(1) +])# LT_OUTPUT + + +# _LT_CONFIG(TAG) +# --------------- +# If TAG is the built-in tag, create an initial libtool script with a +# default configuration from the untagged config vars. Otherwise add code +# to config.status for appending the configuration named by TAG from the +# matching tagged config vars. +m4_defun([_LT_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_CONFIG_SAVE_COMMANDS([ + m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl + m4_if(_LT_TAG, [C], [ + # See if we are running on zsh, and set the options that allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST + fi + + cfgfile=${ofile}T + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL +# Generated automatically by $as_me ($PACKAGE) $VERSION +# NOTE: Changes made to this file will be lost: look at ltmain.sh. + +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit, 1996 + +_LT_COPYING +_LT_LIBTOOL_TAGS + +# Configured defaults for sys_lib_dlsearch_path munging. +: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"} + +# ### BEGIN LIBTOOL CONFIG +_LT_LIBTOOL_CONFIG_VARS +_LT_LIBTOOL_TAG_VARS +# ### END LIBTOOL CONFIG + +_LT_EOF + + cat <<'_LT_EOF' >> "$cfgfile" + +# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE + +_LT_PREPARE_MUNGE_PATH_LIST +_LT_PREPARE_CC_BASENAME + +# ### END FUNCTIONS SHARED WITH CONFIGURE + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + _LT_PROG_LTMAIN + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" +], +[cat <<_LT_EOF >> "$ofile" + +dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded +dnl in a comment (ie after a #). +# ### BEGIN LIBTOOL TAG CONFIG: $1 +_LT_LIBTOOL_TAG_VARS(_LT_TAG) +# ### END LIBTOOL TAG CONFIG: $1 +_LT_EOF +])dnl /m4_if +], +[m4_if([$1], [], [ + PACKAGE='$PACKAGE' + VERSION='$VERSION' + RM='$RM' + ofile='$ofile'], []) +])dnl /_LT_CONFIG_SAVE_COMMANDS +])# _LT_CONFIG + + +# LT_SUPPORTED_TAG(TAG) +# --------------------- +# Trace this macro to discover what tags are supported by the libtool +# --tag option, using: +# autoconf --trace 'LT_SUPPORTED_TAG:$1' +AC_DEFUN([LT_SUPPORTED_TAG], []) + + +# C support is built-in for now +m4_define([_LT_LANG_C_enabled], []) +m4_define([_LT_TAGS], []) + + +# LT_LANG(LANG) +# ------------- +# Enable libtool support for the given language if not already enabled. +AC_DEFUN([LT_LANG], +[AC_BEFORE([$0], [LT_OUTPUT])dnl +m4_case([$1], + [C], [_LT_LANG(C)], + [C++], [_LT_LANG(CXX)], + [Go], [_LT_LANG(GO)], + [Java], [_LT_LANG(GCJ)], + [Fortran 77], [_LT_LANG(F77)], + [Fortran], [_LT_LANG(FC)], + [Windows Resource], [_LT_LANG(RC)], + [m4_ifdef([_LT_LANG_]$1[_CONFIG], + [_LT_LANG($1)], + [m4_fatal([$0: unsupported language: "$1"])])])dnl +])# LT_LANG + + +# _LT_LANG(LANGNAME) +# ------------------ +m4_defun([_LT_LANG], +[m4_ifdef([_LT_LANG_]$1[_enabled], [], + [LT_SUPPORTED_TAG([$1])dnl + m4_append([_LT_TAGS], [$1 ])dnl + m4_define([_LT_LANG_]$1[_enabled], [])dnl + _LT_LANG_$1_CONFIG($1)])dnl +])# _LT_LANG + + +m4_ifndef([AC_PROG_GO], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_GO. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ +m4_defun([AC_PROG_GO], +[AC_LANG_PUSH(Go)dnl +AC_ARG_VAR([GOC], [Go compiler command])dnl +AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl +_AC_ARG_VAR_LDFLAGS()dnl +AC_CHECK_TOOL(GOC, gccgo) +if test -z "$GOC"; then + if test -n "$ac_tool_prefix"; then + AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo]) + fi +fi +if test -z "$GOC"; then + AC_CHECK_PROG(GOC, gccgo, gccgo, false) +fi +])#m4_defun +])#m4_ifndef + + +# _LT_LANG_DEFAULT_CONFIG +# ----------------------- +m4_defun([_LT_LANG_DEFAULT_CONFIG], +[AC_PROVIDE_IFELSE([AC_PROG_CXX], + [LT_LANG(CXX)], + [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])]) + +AC_PROVIDE_IFELSE([AC_PROG_F77], + [LT_LANG(F77)], + [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])]) + +AC_PROVIDE_IFELSE([AC_PROG_FC], + [LT_LANG(FC)], + [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])]) + +dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal +dnl pulling things in needlessly. +AC_PROVIDE_IFELSE([AC_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([LT_PROG_GCJ], + [LT_LANG(GCJ)], + [m4_ifdef([AC_PROG_GCJ], + [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([A][M_PROG_GCJ], + [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([LT_PROG_GCJ], + [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])]) + +AC_PROVIDE_IFELSE([AC_PROG_GO], + [LT_LANG(GO)], + [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])]) + +AC_PROVIDE_IFELSE([LT_PROG_RC], + [LT_LANG(RC)], + [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])]) +])# _LT_LANG_DEFAULT_CONFIG + +# Obsolete macros: +AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)]) +AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)]) +AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)]) +AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)]) +AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_CXX], []) +dnl AC_DEFUN([AC_LIBTOOL_F77], []) +dnl AC_DEFUN([AC_LIBTOOL_FC], []) +dnl AC_DEFUN([AC_LIBTOOL_GCJ], []) +dnl AC_DEFUN([AC_LIBTOOL_RC], []) + + +# _LT_TAG_COMPILER +# ---------------- +m4_defun([_LT_TAG_COMPILER], +[AC_REQUIRE([AC_PROG_CC])dnl + +_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl +_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl +_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl +_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC +])# _LT_TAG_COMPILER + + +# _LT_COMPILER_BOILERPLATE +# ------------------------ +# Check for compiler boilerplate output or warnings with +# the simple compiler test code. +m4_defun([_LT_COMPILER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* +])# _LT_COMPILER_BOILERPLATE + + +# _LT_LINKER_BOILERPLATE +# ---------------------- +# Check for linker boilerplate output or warnings with +# the simple link test code. +m4_defun([_LT_LINKER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* +])# _LT_LINKER_BOILERPLATE + +# _LT_REQUIRED_DARWIN_CHECKS +# ------------------------- +m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[ + case $host_os in + rhapsody* | darwin*) + AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:]) + AC_CHECK_TOOL([NMEDIT], [nmedit], [:]) + AC_CHECK_TOOL([LIPO], [lipo], [:]) + AC_CHECK_TOOL([OTOOL], [otool], [:]) + AC_CHECK_TOOL([OTOOL64], [otool64], [:]) + _LT_DECL([], [DSYMUTIL], [1], + [Tool to manipulate archived DWARF debug symbol files on Mac OS X]) + _LT_DECL([], [NMEDIT], [1], + [Tool to change global to local symbols on Mac OS X]) + _LT_DECL([], [LIPO], [1], + [Tool to manipulate fat objects and archives on Mac OS X]) + _LT_DECL([], [OTOOL], [1], + [ldd/readelf like tool for Mach-O binaries on Mac OS X]) + _LT_DECL([], [OTOOL64], [1], + [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4]) + + AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod], + [lt_cv_apple_cc_single_mod=no + if test -z "$LT_MULTI_MODULE"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test 0 = "$_lt_result"; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi]) + + AC_CACHE_CHECK([for -exported_symbols_list linker flag], + [lt_cv_ld_exported_symbols_list], + [lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [lt_cv_ld_exported_symbols_list=yes], + [lt_cv_ld_exported_symbols_list=no]) + LDFLAGS=$save_LDFLAGS + ]) + + AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load], + [lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD + echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD + $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD + echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD + $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + ]) + case $host_os in + rhapsody* | darwin1.[[012]]) + _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + 10.[[012]][[,.]]*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test yes = "$lt_cv_apple_cc_single_mod"; then + _lt_dar_single_mod='$single_module' + fi + if test yes = "$lt_cv_ld_exported_symbols_list"; then + _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' + fi + if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac +]) + + +# _LT_DARWIN_LINKER_FEATURES([TAG]) +# --------------------------------- +# Checks for linker and compiler features on darwin +m4_defun([_LT_DARWIN_LINKER_FEATURES], +[ + m4_require([_LT_REQUIRED_DARWIN_CHECKS]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_automatic, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + if test yes = "$lt_cv_ld_force_load"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes], + [FC], [_LT_TAGVAR(compiler_needs_object, $1)=yes]) + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='' + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + m4_if([$1], [CXX], +[ if test yes != "$lt_cv_apple_cc_single_mod"; then + _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil" + fi +],[]) + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi +]) + +# _LT_SYS_MODULE_PATH_AIX([TAGNAME]) +# ---------------------------------- +# Links a minimal program and checks the executable +# for the system default hardcoded library path. In most cases, +# this is /usr/lib:/lib, but when the MPI compilers are used +# the location of the communication and MPI libs are included too. +# If we don't find anything, use the default library path according +# to the aix ld manual. +# Store the results from the different compilers for each TAGNAME. +# Allow to override them for all tags through lt_cv_aix_libpath. +m4_defun([_LT_SYS_MODULE_PATH_AIX], +[m4_require([_LT_DECL_SED])dnl +if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])], + [AC_LINK_IFELSE([AC_LANG_PROGRAM],[ + lt_aix_libpath_sed='[ + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }]' + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi],[]) + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=/usr/lib:/lib + fi + ]) + aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1]) +fi +])# _LT_SYS_MODULE_PATH_AIX + + +# _LT_SHELL_INIT(ARG) +# ------------------- +m4_define([_LT_SHELL_INIT], +[m4_divert_text([M4SH-INIT], [$1 +])])# _LT_SHELL_INIT + + + +# _LT_PROG_ECHO_BACKSLASH +# ----------------------- +# Find how we can fake an echo command that does not interpret backslash. +# In particular, with Autoconf 2.60 or later we add some code to the start +# of the generated configure script that will find a shell with a builtin +# printf (that we can use as an echo command). +m4_defun([_LT_PROG_ECHO_BACKSLASH], +[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +AC_MSG_CHECKING([how to print strings]) +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$[]1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +case $ECHO in + printf*) AC_MSG_RESULT([printf]) ;; + print*) AC_MSG_RESULT([print -r]) ;; + *) AC_MSG_RESULT([cat]) ;; +esac + +m4_ifdef([_AS_DETECT_SUGGESTED], +[_AS_DETECT_SUGGESTED([ + test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test "X`printf %s $ECHO`" = "X$ECHO" \ + || test "X`print -r -- $ECHO`" = "X$ECHO" )])]) + +_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts]) +_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes]) +])# _LT_PROG_ECHO_BACKSLASH + + +# _LT_WITH_SYSROOT +# ---------------- +AC_DEFUN([_LT_WITH_SYSROOT], +[AC_MSG_CHECKING([for sysroot]) +AC_ARG_WITH([sysroot], +[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], + [Search for dependent libraries within DIR (or the compiler's sysroot + if not specified).])], +[], [with_sysroot=no]) + +dnl lt_sysroot will always be passed unquoted. We quote it here +dnl in case the user passed a directory name. +lt_sysroot= +case $with_sysroot in #( + yes) + if test yes = "$GCC"; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + AC_MSG_RESULT([$with_sysroot]) + AC_MSG_ERROR([The sysroot must be an absolute path.]) + ;; +esac + + AC_MSG_RESULT([${lt_sysroot:-no}]) +_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl +[dependent libraries, and where our libraries should be installed.])]) + +# _LT_ENABLE_LOCK +# --------------- +m4_defun([_LT_ENABLE_LOCK], +[AC_ARG_ENABLE([libtool-lock], + [AS_HELP_STRING([--disable-libtool-lock], + [avoid locking (might break parallel builds)])]) +test no = "$enable_libtool_lock" || enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out what ABI is being produced by ac_compile, and set mode + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE=32 + ;; + *ELF-64*) + HPUX_IA64_MODE=64 + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + if test yes = "$lt_cv_prog_gnu_ld"; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +mips64*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + emul=elf + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + emul="${emul}32" + ;; + *64-bit*) + emul="${emul}64" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *MSB*) + emul="${emul}btsmip" + ;; + *LSB*) + emul="${emul}ltsmip" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *N32*) + emul="${emul}n32" + ;; + esac + LD="${LD-ld} -m $emul" + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. Note that the listed cases only cover the + # situations where additional linker options are needed (such as when + # doing 32-bit compilation for a host where ld defaults to 64-bit, or + # vice versa); the common cases where no linker options are needed do + # not appear in the list. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*linux*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*linux*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -belf" + AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, + [AC_LANG_PUSH(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) + AC_LANG_POP]) + if test yes != "$lt_cv_cc_needs_belf"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS=$SAVE_CFLAGS + fi + ;; +*-*solaris*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*|x86_64-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD=${LD-ld}_sol2 + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks=$enable_libtool_lock +])# _LT_ENABLE_LOCK + + +# _LT_PROG_AR +# ----------- +m4_defun([_LT_PROG_AR], +[AC_CHECK_TOOLS(AR, [ar], false) +: ${AR=ar} +: ${AR_FLAGS=cru} +_LT_DECL([], [AR], [1], [The archiver]) +_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive]) + +AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], + [lt_cv_ar_at_file=no + AC_COMPILE_IFELSE([AC_LANG_PROGRAM], + [echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' + AC_TRY_EVAL([lt_ar_try]) + if test 0 -eq "$ac_status"; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + AC_TRY_EVAL([lt_ar_try]) + if test 0 -ne "$ac_status"; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + ]) + ]) + +if test no = "$lt_cv_ar_at_file"; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi +_LT_DECL([], [archiver_list_spec], [1], + [How to feed a file listing to the archiver]) +])# _LT_PROG_AR + + +# _LT_CMD_OLD_ARCHIVE +# ------------------- +m4_defun([_LT_CMD_OLD_ARCHIVE], +[_LT_PROG_AR + +AC_CHECK_TOOL(STRIP, strip, :) +test -z "$STRIP" && STRIP=: +_LT_DECL([], [STRIP], [1], [A symbol stripping program]) + +AC_CHECK_TOOL(RANLIB, ranlib, :) +test -z "$RANLIB" && RANLIB=: +_LT_DECL([], [RANLIB], [1], + [Commands used to install an old-style archive]) + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + bitrig* | openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac +_LT_DECL([], [old_postinstall_cmds], [2]) +_LT_DECL([], [old_postuninstall_cmds], [2]) +_LT_TAGDECL([], [old_archive_cmds], [2], + [Commands used to build an old-style archive]) +_LT_DECL([], [lock_old_archive_extraction], [0], + [Whether to use a lock for old archive extraction]) +])# _LT_CMD_OLD_ARCHIVE + + +# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------------------- +# Check whether the given compiler option works +AC_DEFUN([_LT_COMPILER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + fi + $RM conftest* +]) + +if test yes = "[$]$2"; then + m4_if([$5], , :, [$5]) +else + m4_if([$6], , :, [$6]) +fi +])# _LT_COMPILER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) + + +# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------- +# Check whether the given linker option works +AC_DEFUN([_LT_LINKER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $3" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&AS_MESSAGE_LOG_FD + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + else + $2=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS +]) + +if test yes = "[$]$2"; then + m4_if([$4], , :, [$4]) +else + m4_if([$5], , :, [$5]) +fi +])# _LT_LINKER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) + + +# LT_CMD_MAX_LEN +#--------------- +AC_DEFUN([LT_CMD_MAX_LEN], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring=ABCD + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test X`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test 17 != "$i" # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac +]) +if test -n "$lt_cv_sys_max_cmd_len"; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +max_cmd_len=$lt_cv_sys_max_cmd_len +_LT_DECL([], [max_cmd_len], [0], + [What is the maximum length of a command?]) +])# LT_CMD_MAX_LEN + +# Old name: +AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) + + +# _LT_HEADER_DLFCN +# ---------------- +m4_defun([_LT_HEADER_DLFCN], +[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl +])# _LT_HEADER_DLFCN + + +# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, +# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) +# ---------------------------------------------------------------- +m4_defun([_LT_TRY_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test yes = "$cross_compiling"; then : + [$4] +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +[#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +}] +_LT_EOF + if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) $1 ;; + x$lt_dlneed_uscore) $2 ;; + x$lt_dlunknown|x*) $3 ;; + esac + else : + # compilation failed + $3 + fi +fi +rm -fr conftest* +])# _LT_TRY_DLOPEN_SELF + + +# LT_SYS_DLOPEN_SELF +# ------------------ +AC_DEFUN([LT_SYS_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test yes != "$enable_dlopen"; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen=load_add_on + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen=LoadLibrary + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ + lt_cv_dlopen=dyld + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ]) + ;; + + tpf*) + # Don't try to run any link tests for TPF. We know it's impossible + # because TPF is a cross-compiler, and we know how we open DSOs. + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + lt_cv_dlopen_self=no + ;; + + *) + AC_CHECK_FUNC([shl_load], + [lt_cv_dlopen=shl_load], + [AC_CHECK_LIB([dld], [shl_load], + [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], + [AC_CHECK_FUNC([dlopen], + [lt_cv_dlopen=dlopen], + [AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], + [AC_CHECK_LIB([svld], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], + [AC_CHECK_LIB([dld], [dld_link], + [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) + ]) + ]) + ]) + ]) + ]) + ;; + esac + + if test no = "$lt_cv_dlopen"; then + enable_dlopen=no + else + enable_dlopen=yes + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS=$CPPFLAGS + test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS=$LDFLAGS + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS=$LIBS + LIBS="$lt_cv_dlopen_libs $LIBS" + + AC_CACHE_CHECK([whether a program can dlopen itself], + lt_cv_dlopen_self, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, + lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) + ]) + + if test yes = "$lt_cv_dlopen_self"; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + AC_CACHE_CHECK([whether a statically linked program can dlopen itself], + lt_cv_dlopen_self_static, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, + lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) + ]) + fi + + CPPFLAGS=$save_CPPFLAGS + LDFLAGS=$save_LDFLAGS + LIBS=$save_LIBS + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi +_LT_DECL([dlopen_support], [enable_dlopen], [0], + [Whether dlopen is supported]) +_LT_DECL([dlopen_self], [enable_dlopen_self], [0], + [Whether dlopen of programs is supported]) +_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], + [Whether dlopen of statically linked programs is supported]) +])# LT_SYS_DLOPEN_SELF + +# Old name: +AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) + + +# _LT_COMPILER_C_O([TAGNAME]) +# --------------------------- +# Check to see if options -c and -o are simultaneously supported by compiler. +# This macro does not hard code the compiler like AC_PROG_CC_C_O. +m4_defun([_LT_COMPILER_C_O], +[m4_require([_LT_DECL_SED])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + fi + fi + chmod u+w . 2>&AS_MESSAGE_LOG_FD + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* +]) +_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], + [Does compiler simultaneously support -c and -o options?]) +])# _LT_COMPILER_C_O + + +# _LT_COMPILER_FILE_LOCKS([TAGNAME]) +# ---------------------------------- +# Check to see if we can do hard links to lock some files if needed +m4_defun([_LT_COMPILER_FILE_LOCKS], +[m4_require([_LT_ENABLE_LOCK])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_COMPILER_C_O([$1]) + +hard_links=nottested +if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then + # do not overwrite the value of need_locks provided by the user + AC_MSG_CHECKING([if we can lock with hard links]) + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + AC_MSG_RESULT([$hard_links]) + if test no = "$hard_links"; then + AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe]) + need_locks=warn + fi +else + need_locks=no +fi +_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) +])# _LT_COMPILER_FILE_LOCKS + + +# _LT_CHECK_OBJDIR +# ---------------- +m4_defun([_LT_CHECK_OBJDIR], +[AC_CACHE_CHECK([for objdir], [lt_cv_objdir], +[rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null]) +objdir=$lt_cv_objdir +_LT_DECL([], [objdir], [0], + [The name of the directory that contains temporary libtool files])dnl +m4_pattern_allow([LT_OBJDIR])dnl +AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/", + [Define to the sub-directory where libtool stores uninstalled libraries.]) +])# _LT_CHECK_OBJDIR + + +# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) +# -------------------------------------- +# Check hardcoding attributes. +m4_defun([_LT_LINKER_HARDCODE_LIBPATH], +[AC_MSG_CHECKING([how to hardcode library paths into programs]) +_LT_TAGVAR(hardcode_action, $1)= +if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || + test -n "$_LT_TAGVAR(runpath_var, $1)" || + test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then + + # We can hardcode non-existent directories. + if test no != "$_LT_TAGVAR(hardcode_direct, $1)" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" && + test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then + # Linking always hardcodes the temporary library directory. + _LT_TAGVAR(hardcode_action, $1)=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + _LT_TAGVAR(hardcode_action, $1)=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + _LT_TAGVAR(hardcode_action, $1)=unsupported +fi +AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) + +if test relink = "$_LT_TAGVAR(hardcode_action, $1)" || + test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi +_LT_TAGDECL([], [hardcode_action], [0], + [How to hardcode a shared library path into an executable]) +])# _LT_LINKER_HARDCODE_LIBPATH + + +# _LT_CMD_STRIPLIB +# ---------------- +m4_defun([_LT_CMD_STRIPLIB], +[m4_require([_LT_DECL_EGREP]) +striplib= +old_striplib= +AC_MSG_CHECKING([whether stripping libraries is possible]) +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP"; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + *) + AC_MSG_RESULT([no]) + ;; + esac +fi +_LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) +_LT_DECL([], [striplib], [1]) +])# _LT_CMD_STRIPLIB + + +# _LT_PREPARE_MUNGE_PATH_LIST +# --------------------------- +# Make sure func_munge_path_list() is defined correctly. +m4_defun([_LT_PREPARE_MUNGE_PATH_LIST], +[[# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x@S|@2 in + x) + ;; + *:) + eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\" + ;; + x:*) + eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\" + ;; + *) + eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\" + ;; + esac +} +]])# _LT_PREPARE_PATH_LIST + + +# _LT_SYS_DYNAMIC_LINKER([TAG]) +# ----------------------------- +# PORTME Fill in your ld.so characteristics +m4_defun([_LT_SYS_DYNAMIC_LINKER], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_OBJDUMP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PREPARE_MUNGE_PATH_LIST])dnl +AC_MSG_CHECKING([dynamic linker characteristics]) +m4_if([$1], + [], [ +if test yes = "$GCC"; then + case $host_os in + darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; + *) lt_awk_arg='/^libraries:/' ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;; + *) lt_sed_strip_eq='s|=/|/|g' ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary... + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + # ...but if some path component already ends with the multilib dir we assume + # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). + case "$lt_multi_os_dir; $lt_search_path_spec " in + "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) + lt_multi_os_dir= + ;; + esac + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" + elif test -n "$lt_multi_os_dir"; then + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS = " "; FS = "/|\n";} { + lt_foo = ""; + lt_count = 0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo = "/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[[lt_foo]]++; } + if (lt_freq[[lt_foo]] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's|/\([[A-Za-z]]:\)|\1|g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi]) +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +AC_ARG_VAR([LT_SYS_LIBRARY_PATH], +[User-defined run-time library search path.]) + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[[4-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[[01]] | aix4.[[01]].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a[(]lib.so.V[)]' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)]" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,yes) # both, prefer svr4 + dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)], lib.a[(]lib.so.V[)]" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # unpreferred sharedlib libNAME.a needs extra handling + postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' + postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,no) # both, prefer aix + dynamic_linker="AIX lib.a[(]lib.so.V[)], lib.so.V[(]$shared_archive_member_spec.o[)]" + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling + postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' + postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' + ;; + esac + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='$libname$shared_ext' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[[45]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[[23]].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[[01]]* | freebsdelf3.[[01]]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \ + freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[[3-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], + [lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ + LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], + [lt_cv_shlibpath_overrides_runpath=yes])]) + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + ]) + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +AC_MSG_RESULT([$dynamic_linker]) +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + +_LT_DECL([], [variables_saved_for_relink], [1], + [Variables whose values should be saved in libtool wrapper scripts and + restored at link time]) +_LT_DECL([], [need_lib_prefix], [0], + [Do we need the "lib" prefix for modules?]) +_LT_DECL([], [need_version], [0], [Do we need a version for libraries?]) +_LT_DECL([], [version_type], [0], [Library versioning type]) +_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable]) +_LT_DECL([], [shlibpath_var], [0],[Shared library path variable]) +_LT_DECL([], [shlibpath_overrides_runpath], [0], + [Is shlibpath searched before the hard-coded library search path?]) +_LT_DECL([], [libname_spec], [1], [Format of library name prefix]) +_LT_DECL([], [library_names_spec], [1], + [[List of archive names. First name is the real one, the rest are links. + The last name is the one that the linker finds with -lNAME]]) +_LT_DECL([], [soname_spec], [1], + [[The coded name of the library, if different from the real name]]) +_LT_DECL([], [install_override_mode], [1], + [Permission mode override for installation of shared libraries]) +_LT_DECL([], [postinstall_cmds], [2], + [Command to use after installation of a shared archive]) +_LT_DECL([], [postuninstall_cmds], [2], + [Command to use after uninstallation of a shared archive]) +_LT_DECL([], [finish_cmds], [2], + [Commands used to finish a libtool library installation in a directory]) +_LT_DECL([], [finish_eval], [1], + [[As "finish_cmds", except a single script fragment to be evaled but + not shown]]) +_LT_DECL([], [hardcode_into_libs], [0], + [Whether we should hardcode library paths into libraries]) +_LT_DECL([], [sys_lib_search_path_spec], [2], + [Compile-time system search path for libraries]) +_LT_DECL([sys_lib_dlsearch_path_spec], [configure_time_dlsearch_path], [2], + [Detected run-time system search path for libraries]) +_LT_DECL([], [configure_time_lt_sys_library_path], [2], + [Explicit LT_SYS_LIBRARY_PATH set during ./configure time]) +])# _LT_SYS_DYNAMIC_LINKER + + +# _LT_PATH_TOOL_PREFIX(TOOL) +# -------------------------- +# find a file program that can recognize shared library +AC_DEFUN([_LT_PATH_TOOL_PREFIX], +[m4_require([_LT_DECL_EGREP])dnl +AC_MSG_CHECKING([for $1]) +AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, +[case $MAGIC_CMD in +[[\\/*] | ?:[\\/]*]) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR +dnl $ac_dummy forces splitting on constant user-supplied paths. +dnl POSIX.2 word splitting is done only on the output of word expansions, +dnl not every word. This closes a longstanding sh security hole. + ac_dummy="m4_if([$2], , $PATH, [$2])" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$1"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"$1" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac]) +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + AC_MSG_RESULT($MAGIC_CMD) +else + AC_MSG_RESULT(no) +fi +_LT_DECL([], [MAGIC_CMD], [0], + [Used to examine libraries when file_magic_cmd begins with "file"])dnl +])# _LT_PATH_TOOL_PREFIX + +# Old name: +AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], []) + + +# _LT_PATH_MAGIC +# -------------- +# find a file program that can recognize a shared library +m4_defun([_LT_PATH_MAGIC], +[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH) +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH) + else + MAGIC_CMD=: + fi +fi +])# _LT_PATH_MAGIC + + +# LT_PATH_LD +# ---------- +# find the pathname to the GNU or non-GNU linker +AC_DEFUN([LT_PATH_LD], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PROG_ECHO_BACKSLASH])dnl + +AC_ARG_WITH([gnu-ld], + [AS_HELP_STRING([--with-gnu-ld], + [assume the C compiler uses GNU ld @<:@default=no@:>@])], + [test no = "$withval" || with_gnu_ld=yes], + [with_gnu_ld=no])dnl + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(lt_cv_path_LD, +[if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &1 conftest.i +cat conftest.i conftest.i >conftest2.i +: ${lt_DD:=$DD} +AC_PATH_PROGS_FEATURE_CHECK([lt_DD], [dd], +[if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: +fi]) +rm -f conftest.i conftest2.i conftest.out]) +])# _LT_PATH_DD + + +# _LT_CMD_TRUNCATE +# ---------------- +# find command to truncate a binary pipe +m4_defun([_LT_CMD_TRUNCATE], +[m4_require([_LT_PATH_DD]) +AC_CACHE_CHECK([how to truncate binary pipes], [lt_cv_truncate_bin], +[printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +lt_cv_truncate_bin= +if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" +fi +rm -f conftest.i conftest2.i conftest.out +test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"]) +_LT_DECL([lt_truncate_bin], [lt_cv_truncate_bin], [1], + [Command to truncate a binary pipe]) +])# _LT_CMD_TRUNCATE + + +# _LT_CHECK_MAGIC_METHOD +# ---------------------- +# how to check for library dependencies +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_MAGIC_METHOD], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +AC_CACHE_CHECK([how to recognize dependent libraries], +lt_cv_deplibs_check_method, +[lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# 'unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# that responds to the $file_magic_cmd with a given extended regex. +# If you have 'file' or equivalent on your system and you're not sure +# whether 'pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[[4-9]]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[[45]]*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + if ( file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'] + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[[3-9]]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd* | bitrig*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +os2*) + lt_cv_deplibs_check_method=pass_all + ;; +esac +]) + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + +_LT_DECL([], [deplibs_check_method], [1], + [Method to check whether dependent libraries are shared objects]) +_LT_DECL([], [file_magic_cmd], [1], + [Command to use when deplibs_check_method = "file_magic"]) +_LT_DECL([], [file_magic_glob], [1], + [How to find potential files when deplibs_check_method = "file_magic"]) +_LT_DECL([], [want_nocaseglob], [1], + [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) +])# _LT_CHECK_MAGIC_METHOD + + +# LT_PATH_NM +# ---------- +# find the pathname to a BSD- or MS-compatible name lister +AC_DEFUN([LT_PATH_NM], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, +[if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM=$NM +else + lt_nm_to_check=${ac_tool_prefix}nm + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/$lt_tmp_nm + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the 'sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty + case $build_os in + mingw*) lt_bad_file=conftest.nm/nofile ;; + *) lt_bad_file=/dev/null ;; + esac + case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in + *$lt_bad_file* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break 2 + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break 2 + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS=$lt_save_ifs + done + : ${lt_cv_path_NM=no} +fi]) +if test no != "$lt_cv_path_NM"; then + NM=$lt_cv_path_NM +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) + case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols -headers" + ;; + *) + DUMPBIN=: + ;; + esac + fi + AC_SUBST([DUMPBIN]) + if test : != "$DUMPBIN"; then + NM=$DUMPBIN + fi +fi +test -z "$NM" && NM=nm +AC_SUBST([NM]) +_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl + +AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], + [lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) + cat conftest.out >&AS_MESSAGE_LOG_FD + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest*]) +])# LT_PATH_NM + +# Old names: +AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) +AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_PROG_NM], []) +dnl AC_DEFUN([AC_PROG_NM], []) + +# _LT_CHECK_SHAREDLIB_FROM_LINKLIB +# -------------------------------- +# how to determine the name of the shared library +# associated with a specific link library. +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +m4_require([_LT_DECL_DLLTOOL]) +AC_CACHE_CHECK([how to associate runtime and link libraries], +lt_cv_sharedlib_from_linklib_cmd, +[lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh; + # decide which one to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd=$ECHO + ;; +esac +]) +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + +_LT_DECL([], [sharedlib_from_linklib_cmd], [1], + [Command to associate shared and link libraries]) +])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB + + +# _LT_PATH_MANIFEST_TOOL +# ---------------------- +# locate the manifest tool +m4_defun([_LT_PATH_MANIFEST_TOOL], +[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], + [lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&AS_MESSAGE_LOG_FD + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest*]) +if test yes != "$lt_cv_path_mainfest_tool"; then + MANIFEST_TOOL=: +fi +_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl +])# _LT_PATH_MANIFEST_TOOL + + +# _LT_DLL_DEF_P([FILE]) +# --------------------- +# True iff FILE is a Windows DLL '.def' file. +# Keep in sync with func_dll_def_p in the libtool script +AC_DEFUN([_LT_DLL_DEF_P], +[dnl + test DEF = "`$SED -n dnl + -e '\''s/^[[ ]]*//'\'' dnl Strip leading whitespace + -e '\''/^\(;.*\)*$/d'\'' dnl Delete empty lines and comments + -e '\''s/^\(EXPORTS\|LIBRARY\)\([[ ]].*\)*$/DEF/p'\'' dnl + -e q dnl Only consider the first "real" line + $1`" dnl +])# _LT_DLL_DEF_P + + +# LT_LIB_M +# -------- +# check for math library +AC_DEFUN([LT_LIB_M], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +LIBM= +case $host in +*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw) + AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") + ;; +*) + AC_CHECK_LIB(m, cos, LIBM=-lm) + ;; +esac +AC_SUBST([LIBM]) +])# LT_LIB_M + +# Old name: +AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_CHECK_LIBM], []) + + +# _LT_COMPILER_NO_RTTI([TAGNAME]) +# ------------------------------- +m4_defun([_LT_COMPILER_NO_RTTI], +[m4_require([_LT_TAG_COMPILER])dnl + +_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + +if test yes = "$GCC"; then + case $cc_basename in + nvcc*) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; + *) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; + esac + + _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], + lt_cv_prog_compiler_rtti_exceptions, + [-fno-rtti -fno-exceptions], [], + [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) +fi +_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], + [Compiler flag to turn off builtin functions]) +])# _LT_COMPILER_NO_RTTI + + +# _LT_CMD_GLOBAL_SYMBOLS +# ---------------------- +m4_defun([_LT_CMD_GLOBAL_SYMBOLS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([LT_PATH_NM])dnl +AC_REQUIRE([LT_PATH_LD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_TAG_COMPILER])dnl + +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output from $compiler object]) +AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], +[ +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[[BCDEGRST]]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[[BCDT]]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[[ABCDGISTW]]' + ;; +hpux*) + if test ia64 = "$host_cpu"; then + symcode='[[ABCDEGRST]]' + fi + ;; +irix* | nonstopux*) + symcode='[[BCDEGRST]]' + ;; +osf*) + symcode='[[BCDEGQRST]]' + ;; +solaris*) + symcode='[[BDRT]]' + ;; +sco3.2v5*) + symcode='[[DT]]' + ;; +sysv4.2uw2*) + symcode='[[DT]]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[[ABDT]]' + ;; +sysv4) + symcode='[[DFNSTU]]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[[ABCDGIRSTW]]' ;; +esac + +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Gets list of data symbols to import. + lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" + # Adjust the below global symbol transforms to fixup imported variables. + lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" + lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" + lt_c_name_lib_hook="\ + -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ + -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" +else + # Disable hooks by default. + lt_cv_sys_global_symbol_to_import= + lt_cdecl_hook= + lt_c_name_hook= + lt_c_name_lib_hook= +fi + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n"\ +$lt_cdecl_hook\ +" -e 's/^T .* \(.*\)$/extern int \1();/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ +$lt_c_name_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" + +# Transform an extracted symbol line into symbol name with lib prefix and +# symbol address. +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ +$lt_c_name_lib_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function, + # D for any global variable and I for any imported variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK ['"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ +" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ +" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ +" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ +" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx]" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT@&t@_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT@&t@_DLSYM_CONST +#else +# define LT@&t@_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT@&t@_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[[]] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS=conftstm.$ac_objext + CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" + if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD + fi + else + echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test yes = "$pipe_works"; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done +]) +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + AC_MSG_RESULT(failed) +else + AC_MSG_RESULT(ok) +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + +_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], + [Take the output of nm and produce a listing of raw symbols and C names]) +_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], + [Transform the output of nm in a proper C declaration]) +_LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], + [Transform the output of nm into a list of symbols to manually relocate]) +_LT_DECL([global_symbol_to_c_name_address], + [lt_cv_sys_global_symbol_to_c_name_address], [1], + [Transform the output of nm in a C name address pair]) +_LT_DECL([global_symbol_to_c_name_address_lib_prefix], + [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], + [Transform the output of nm in a C name address pair when lib prefix is needed]) +_LT_DECL([nm_interface], [lt_cv_nm_interface], [1], + [The name lister interface]) +_LT_DECL([], [nm_file_list_spec], [1], + [Specify filename containing input files for $NM]) +]) # _LT_CMD_GLOBAL_SYMBOLS + + +# _LT_COMPILER_PIC([TAGNAME]) +# --------------------------- +m4_defun([_LT_COMPILER_PIC], +[m4_require([_LT_TAG_COMPILER])dnl +_LT_TAGVAR(lt_prog_compiler_wl, $1)= +_LT_TAGVAR(lt_prog_compiler_pic, $1)= +_LT_TAGVAR(lt_prog_compiler_static, $1)= + +m4_if([$1], [CXX], [ + # C++ specific cases for pic, static, wl, etc. + if test yes = "$GXX"; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + case $host_os in + aix[[4-9]]*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + dgux*) + case $cc_basename in + ec++*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + if test ia64 != "$host_cpu"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + fi + ;; + aCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # KAI C++ Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64, which still supported -KPIC. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd* | netbsdelf*-gnu) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + cxx*) + # Digital/Compaq C++ + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + lcc*) + # Lucid + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +], +[ + if test yes = "$GCC"; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' + if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + case $cc_basename in + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + + hpux9* | hpux10* | hpux11*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC (with -KPIC) is the default. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64, which still supported -KPIC. + ecc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' + _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' + ;; + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + ccc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All Alpha code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='' + ;; + *Sun\ F* | *Sun*Fortran*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + ;; + *Intel*\ [[CF]]*Compiler*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + *Portland\ Group*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All OSF/1 code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + rdos*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + solaris*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; + *) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; + esac + ;; + + sunos4*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + unicos*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + + uts4*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +]) +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" + ;; +esac + +AC_CACHE_CHECK([for $compiler option to produce PIC], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) +_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], + [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], + [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], + [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in + "" | " "*) ;; + *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; + esac], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) +fi +_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], + [Additional compiler flags for building library objects]) + +_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], + [How to pass a linker flag through the compiler]) +# +# Check to make sure the static flag actually works. +# +wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" +_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], + _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), + $lt_tmp_static_flag, + [], + [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) +_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], + [Compiler flag to prevent dynamic linking]) +])# _LT_COMPILER_PIC + + +# _LT_LINKER_SHLIBS([TAGNAME]) +# ---------------------------- +# See if the linker supports building shared libraries. +m4_defun([_LT_LINKER_SHLIBS], +[AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) +m4_if([$1], [CXX], [ + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + case $host_os in + aix[[4-9]]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds + ;; + cygwin* | mingw* | cegcc*) + case $cc_basename in + cl*) + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + ;; + esac + ;; + linux* | k*bsd*-gnu | gnu*) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac +], [ + runpath_var= + _LT_TAGVAR(allow_undefined_flag, $1)= + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(archive_cmds, $1)= + _LT_TAGVAR(archive_expsym_cmds, $1)= + _LT_TAGVAR(compiler_needs_object, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(hardcode_automatic, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_separator, $1)= + _LT_TAGVAR(hardcode_minus_L, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(inherit_rpath, $1)=no + _LT_TAGVAR(link_all_deplibs, $1)=unknown + _LT_TAGVAR(module_cmds, $1)= + _LT_TAGVAR(module_expsym_cmds, $1)= + _LT_TAGVAR(old_archive_from_new_cmds, $1)= + _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= + _LT_TAGVAR(thread_safe_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + _LT_TAGVAR(include_expsyms, $1)= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ' (' and ')$', so one must not match beginning or + # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', + # as well as any symbol that contains 'd'. + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. +dnl Note also adjust exclude_expsyms for C++ above. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test yes != "$GCC"; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd* | bitrig*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu | gnu*) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + esac + + _LT_TAGVAR(ld_shlibs, $1)=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test yes = "$with_gnu_ld"; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;; + *\ \(GNU\ Binutils\)\ [[3-9]]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test yes = "$lt_use_gnu_ld_interface"; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='$wl' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + supports_anon_versioning=no + case `$LD -v | $SED -e 's/([^)]\+)\s\+//' 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[[3-9]]*) + # On AIX/PPC, the GNU linker is very broken + if test ia64 != "$host_cpu"; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test linux-dietlibc = "$host_os"; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test no = "$tmp_diet" + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + _LT_TAGVAR(whole_archive_flag_spec, $1)= + tmp_sharedflag='--shared' ;; + nagfor*) # NAGFOR 5.3 + tmp_sharedflag='-Wl,-shared' ;; + xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + tcc*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic' + ;; + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + sunos4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + + if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then + runpath_var= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + _LT_TAGVAR(hardcode_direct, $1)=unsupported + fi + ;; + + aix[[4-9]]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then + aix_use_runtimelinking=yes + break + fi + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # traditional, no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + ;; + esac + + if test yes = "$GCC"; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + ;; + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag="$shared_flag "'$wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + bsdi[[45]]*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + # FIXME: Should let the user specify the lib program. + _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + esac + ;; + + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + hpux9*) + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + ;; + + hpux10*) + if test yes,no = "$GCC,$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + fi + ;; + + hpux11*) + if test yes,no = "$GCC,$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + m4_if($1, [], [ + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + _LT_LINKER_OPTION([if $CC understands -b], + _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'], + [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags']) + ;; + esac + fi + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol], + [lt_cv_irix_exported_symbol], + [save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" + AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [AC_LANG_CASE([C], [[int foo (void) { return 0; }]], + [C++], [[int foo (void) { return 0; }]], + [Fortran 77], [[ + subroutine foo + end]], + [Fortran], [[ + subroutine foo + end]])])], + [lt_cv_irix_exported_symbol=yes], + [lt_cv_irix_exported_symbol=no]) + LDFLAGS=$save_LDFLAGS]) + if test yes = "$lt_cv_irix_exported_symbol"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' + fi + _LT_TAGVAR(link_all_deplibs, $1)=no + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + linux*) + case $cc_basename in + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + _LT_TAGVAR(ld_shlibs, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + newsos6) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *nto* | *qnx*) + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + fi + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + + osf3*) + if test yes = "$GCC"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test yes = "$GCC"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + solaris*) + _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' + if test yes = "$GCC"; then + wlarc='$wl' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='$wl' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. GCC discards it without '$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test yes = "$GCC"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + fi + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + sunos4*) + if test sequent = "$host_vendor"; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4) + case $host_vendor in + sni) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' + _LT_TAGVAR(hardcode_direct, $1)=no + ;; + motorola) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4.3*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + _LT_TAGVAR(ld_shlibs, $1)=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + if test sni = "$host_vendor"; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' + ;; + esac + fi + fi +]) +AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) +test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no + +_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld + +_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl +_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl +_LT_DECL([], [extract_expsyms_cmds], [2], + [The commands to extract the exported symbol list from a shared archive]) + +# +# Do we need to explicitly link libc? +# +case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in +x|xyes) + # Assume -lc should be added + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + + if test yes,yes = "$GCC,$enable_shared"; then + case $_LT_TAGVAR(archive_cmds, $1) in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_CACHE_CHECK([whether -lc should be explicitly linked in], + [lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1), + [$RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if AC_TRY_EVAL(ac_compile) 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) + pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1) + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1) + _LT_TAGVAR(allow_undefined_flag, $1)= + if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) + then + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no + else + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes + fi + _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + ]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1) + ;; + esac + fi + ;; +esac + +_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0], + [Whether or not to add -lc for building shared libraries]) +_LT_TAGDECL([allow_libtool_libs_with_static_runtimes], + [enable_shared_with_static_runtimes], [0], + [Whether or not to disallow shared libs when runtime libs are static]) +_LT_TAGDECL([], [export_dynamic_flag_spec], [1], + [Compiler flag to allow reflexive dlopens]) +_LT_TAGDECL([], [whole_archive_flag_spec], [1], + [Compiler flag to generate shared objects directly from archives]) +_LT_TAGDECL([], [compiler_needs_object], [1], + [Whether the compiler copes with passing no objects directly]) +_LT_TAGDECL([], [old_archive_from_new_cmds], [2], + [Create an old-style archive from a shared archive]) +_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2], + [Create a temporary old-style archive to link instead of a shared archive]) +_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive]) +_LT_TAGDECL([], [archive_expsym_cmds], [2]) +_LT_TAGDECL([], [module_cmds], [2], + [Commands used to build a loadable module if different from building + a shared archive.]) +_LT_TAGDECL([], [module_expsym_cmds], [2]) +_LT_TAGDECL([], [with_gnu_ld], [1], + [Whether we are building with GNU ld or not]) +_LT_TAGDECL([], [allow_undefined_flag], [1], + [Flag that allows shared libraries with undefined symbols to be built]) +_LT_TAGDECL([], [no_undefined_flag], [1], + [Flag that enforces no undefined symbols]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1], + [Flag to hardcode $libdir into a binary during linking. + This must work even if $libdir does not exist]) +_LT_TAGDECL([], [hardcode_libdir_separator], [1], + [Whether we need a single "-rpath" flag with a separated argument]) +_LT_TAGDECL([], [hardcode_direct], [0], + [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes + DIR into the resulting binary]) +_LT_TAGDECL([], [hardcode_direct_absolute], [0], + [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes + DIR into the resulting binary and the resulting library dependency is + "absolute", i.e impossible to change by setting $shlibpath_var if the + library is relocated]) +_LT_TAGDECL([], [hardcode_minus_L], [0], + [Set to "yes" if using the -LDIR flag during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_shlibpath_var], [0], + [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_automatic], [0], + [Set to "yes" if building a shared library automatically hardcodes DIR + into the library and all subsequent libraries and executables linked + against it]) +_LT_TAGDECL([], [inherit_rpath], [0], + [Set to yes if linker adds runtime paths of dependent libraries + to runtime path list]) +_LT_TAGDECL([], [link_all_deplibs], [0], + [Whether libtool must link a program against all its dependency libraries]) +_LT_TAGDECL([], [always_export_symbols], [0], + [Set to "yes" if exported symbols are required]) +_LT_TAGDECL([], [export_symbols_cmds], [2], + [The commands to list exported symbols]) +_LT_TAGDECL([], [exclude_expsyms], [1], + [Symbols that should not be listed in the preloaded symbols]) +_LT_TAGDECL([], [include_expsyms], [1], + [Symbols that must always be exported]) +_LT_TAGDECL([], [prelink_cmds], [2], + [Commands necessary for linking programs (against libraries) with templates]) +_LT_TAGDECL([], [postlink_cmds], [2], + [Commands necessary for finishing linking programs]) +_LT_TAGDECL([], [file_list_spec], [1], + [Specify filename containing input files]) +dnl FIXME: Not yet implemented +dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1], +dnl [Compiler flag to generate thread safe objects]) +])# _LT_LINKER_SHLIBS + + +# _LT_LANG_C_CONFIG([TAG]) +# ------------------------ +# Ensure that the configuration variables for a C compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_C_CONFIG], +[m4_require([_LT_DECL_EGREP])dnl +lt_save_CC=$CC +AC_LANG_PUSH(C) + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + +_LT_TAG_COMPILER +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + LT_SYS_DLOPEN_SELF + _LT_CMD_STRIPLIB + + # Report what library types will actually be built + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_CONFIG($1) +fi +AC_LANG_POP +CC=$lt_save_CC +])# _LT_LANG_C_CONFIG + + +# _LT_LANG_CXX_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a C++ compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_CXX_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +if test -n "$CXX" && ( test no != "$CXX" && + ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) || + (test g++ != "$CXX"))); then + AC_PROG_CXXCPP +else + _lt_caught_CXX_error=yes +fi + +AC_LANG_PUSH(C++) +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(compiler_needs_object, $1)=no +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_caught_CXX_error"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test yes = "$GXX"; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + else + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + fi + + if test yes = "$GXX"; then + # Set up default GNU C++ configuration + + LT_PATH_LD + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test yes = "$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='$wl' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) + _LT_TAGVAR(ld_shlibs, $1)=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aix[[4-9]]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + ;; + esac + + if test yes = "$GXX"; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag=$shared_flag' $wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + # The "-G" linker flag allows undefined symbols. + _LT_TAGVAR(no_undefined_flag, $1)='-bernotok' + # Determine the default libpath from the value encoded in an empty + # executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared + # libraries. Need -bnortl late, we may have -brtl in LDFLAGS. + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + freebsd2.*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + freebsd-elf*) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + hpux9*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + if test no = "$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test yes = "$GXX"; then + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib' + fi + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + esac + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) + _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' + _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ + $RANLIB $oldlib' + _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 6 and above use weak symbols + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + ;; + cxx*) + # Compaq C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib $wl-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + cxx*) + case $host in + osf3*) + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + ;; + *) + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~ + $RM $lib.exp' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes,no = "$GXX,$with_gnu_ld"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + case $host in + osf3*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(archive_cmds_need_lc,$1)=yes + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test yes,no = "$GXX,$with_gnu_ld"; then + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require '-G' NOT '-shared' on this + # platform. + _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir' + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~ + '"$_LT_TAGVAR(old_archive_cmds, $1)" + _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~ + '"$_LT_TAGVAR(reload_cmds, $1)" + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) + test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no + + _LT_TAGVAR(GCC, $1)=$GXX + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test yes != "$_lt_caught_CXX_error" + +AC_LANG_POP +])# _LT_LANG_CXX_CONFIG + + +# _LT_FUNC_STRIPNAME_CNF +# ---------------------- +# func_stripname_cnf prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# +# This function is identical to the (non-XSI) version of func_stripname, +# except this one can be used by m4 code that may be executed by configure, +# rather than the libtool script. +m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl +AC_REQUIRE([_LT_DECL_SED]) +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH]) +func_stripname_cnf () +{ + case @S|@2 in + .*) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%\\\\@S|@2\$%%"`;; + *) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%@S|@2\$%%"`;; + esac +} # func_stripname_cnf +])# _LT_FUNC_STRIPNAME_CNF + + +# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME]) +# --------------------------------- +# Figure out "hidden" library dependencies from verbose +# compiler output when linking a shared library. +# Parse the compiler output and extract the necessary +# objects, libraries and library flags. +m4_defun([_LT_SYS_HIDDEN_LIBDEPS], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl +# Dependencies to place before and after the object being linked: +_LT_TAGVAR(predep_objects, $1)= +_LT_TAGVAR(postdep_objects, $1)= +_LT_TAGVAR(predeps, $1)= +_LT_TAGVAR(postdeps, $1)= +_LT_TAGVAR(compiler_lib_search_path, $1)= + +dnl we can't use the lt_simple_compile_test_code here, +dnl because it contains code intended for an executable, +dnl not a library. It's possible we should let each +dnl tag define a new lt_????_link_test_code variable, +dnl but it's only used here... +m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF +int a; +void foo (void) { a = 0; } +_LT_EOF +], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF +], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer*4 a + a=0 + return + end +_LT_EOF +], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer a + a=0 + return + end +_LT_EOF +], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF +public class foo { + private int a; + public void bar (void) { + a = 0; + } +}; +_LT_EOF +], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF +package foo +func foo() { +} +_LT_EOF +]) + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +dnl Parse the compiler output and extract the necessary +dnl objects, libraries and library flags. +if AC_TRY_EVAL(ac_compile); then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case $prev$p in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test x-L = "$p" || + test x-R = "$p"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test no = "$pre_test_object_deps_done"; then + case $prev in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then + _LT_TAGVAR(compiler_lib_search_path, $1)=$prev$p + else + _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} $prev$p" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$_LT_TAGVAR(postdeps, $1)"; then + _LT_TAGVAR(postdeps, $1)=$prev$p + else + _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} $prev$p" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test no = "$pre_test_object_deps_done"; then + if test -z "$_LT_TAGVAR(predep_objects, $1)"; then + _LT_TAGVAR(predep_objects, $1)=$p + else + _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p" + fi + else + if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then + _LT_TAGVAR(postdep_objects, $1)=$p + else + _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling $1 test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +m4_if([$1], [CXX], +[case $host_os in +interix[[3-9]]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + _LT_TAGVAR(predep_objects,$1)= + _LT_TAGVAR(postdep_objects,$1)= + _LT_TAGVAR(postdeps,$1)= + ;; +esac +]) + +case " $_LT_TAGVAR(postdeps, $1) " in +*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;; +esac + _LT_TAGVAR(compiler_lib_search_dirs, $1)= +if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then + _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | $SED -e 's! -L! !g' -e 's!^ !!'` +fi +_LT_TAGDECL([], [compiler_lib_search_dirs], [1], + [The directories searched by this compiler when creating a shared library]) +_LT_TAGDECL([], [predep_objects], [1], + [Dependencies to place before and after the objects being linked to + create a shared library]) +_LT_TAGDECL([], [postdep_objects], [1]) +_LT_TAGDECL([], [predeps], [1]) +_LT_TAGDECL([], [postdeps], [1]) +_LT_TAGDECL([], [compiler_lib_search_path], [1], + [The library search path used internally by the compiler when linking + a shared library]) +])# _LT_SYS_HIDDEN_LIBDEPS + + +# _LT_LANG_F77_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a Fortran 77 compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_F77_CONFIG], +[AC_LANG_PUSH(Fortran 77) +if test -z "$F77" || test no = "$F77"; then + _lt_disable_F77=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for f77 test sources. +ac_ext=f + +# Object file extension for compiled f77 test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the F77 compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_disable_F77"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${F77-"f77"} + CFLAGS=$FFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + GCC=$G77 + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)=$G77 + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test yes != "$_lt_disable_F77" + +AC_LANG_POP +])# _LT_LANG_F77_CONFIG + + +# _LT_LANG_FC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for a Fortran compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_FC_CONFIG], +[AC_LANG_PUSH(Fortran) + +if test -z "$FC" || test no = "$FC"; then + _lt_disable_FC=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for fc test sources. +ac_ext=${ac_fc_srcext-f} + +# Object file extension for compiled fc test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the FC compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_disable_FC"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${FC-"f95"} + CFLAGS=$FCFLAGS + compiler=$CC + GCC=$ac_cv_fc_compiler_gnu + + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)=$ac_cv_fc_compiler_gnu + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test yes != "$_lt_disable_FC" + +AC_LANG_POP +])# _LT_LANG_FC_CONFIG + + +# _LT_LANG_GCJ_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Java Compiler compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_GCJ_CONFIG], +[AC_REQUIRE([LT_PROG_GCJ])dnl +AC_LANG_SAVE + +# Source file extension for Java test sources. +ac_ext=java + +# Object file extension for compiled Java test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="class foo {}" + +# Code to be used in simple link tests +lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GCJ-"gcj"} +CFLAGS=$GCJFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)=$LD +_LT_CC_BASENAME([$compiler]) + +# GCJ did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GCJ_CONFIG + + +# _LT_LANG_GO_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Go compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_GO_CONFIG], +[AC_REQUIRE([LT_PROG_GO])dnl +AC_LANG_SAVE + +# Source file extension for Go test sources. +ac_ext=go + +# Object file extension for compiled Go test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="package main; func main() { }" + +# Code to be used in simple link tests +lt_simple_link_test_code='package main; func main() { }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GOC-"gccgo"} +CFLAGS=$GOFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)=$LD +_LT_CC_BASENAME([$compiler]) + +# Go did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GO_CONFIG + + +# _LT_LANG_RC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for the Windows resource compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_RC_CONFIG], +[AC_REQUIRE([LT_PROG_RC])dnl +AC_LANG_SAVE + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code=$lt_simple_compile_test_code + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC= +CC=${RC-"windres"} +CFLAGS= +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_CC_BASENAME([$compiler]) +_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + +if test -n "$compiler"; then + : + _LT_CONFIG($1) +fi + +GCC=$lt_save_GCC +AC_LANG_RESTORE +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_RC_CONFIG + + +# LT_PROG_GCJ +# ----------- +AC_DEFUN([LT_PROG_GCJ], +[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ], + [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ], + [AC_CHECK_TOOL(GCJ, gcj,) + test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2" + AC_SUBST(GCJFLAGS)])])[]dnl +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_GCJ], []) + + +# LT_PROG_GO +# ---------- +AC_DEFUN([LT_PROG_GO], +[AC_CHECK_TOOL(GOC, gccgo,) +]) + + +# LT_PROG_RC +# ---------- +AC_DEFUN([LT_PROG_RC], +[AC_CHECK_TOOL(RC, windres,) +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_RC], []) + + +# _LT_DECL_EGREP +# -------------- +# If we don't have a new enough Autoconf to choose the best grep +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_EGREP], +[AC_REQUIRE([AC_PROG_EGREP])dnl +AC_REQUIRE([AC_PROG_FGREP])dnl +test -z "$GREP" && GREP=grep +_LT_DECL([], [GREP], [1], [A grep program that handles long lines]) +_LT_DECL([], [EGREP], [1], [An ERE matcher]) +_LT_DECL([], [FGREP], [1], [A literal string matcher]) +dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too +AC_SUBST([GREP]) +]) + + +# _LT_DECL_OBJDUMP +# -------------- +# If we don't have a new enough Autoconf to choose the best objdump +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_OBJDUMP], +[AC_CHECK_TOOL(OBJDUMP, objdump, false) +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper]) +AC_SUBST([OBJDUMP]) +]) + +# _LT_DECL_DLLTOOL +# ---------------- +# Ensure DLLTOOL variable is set. +m4_defun([_LT_DECL_DLLTOOL], +[AC_CHECK_TOOL(DLLTOOL, dlltool, false) +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program]) +AC_SUBST([DLLTOOL]) +]) + +# _LT_DECL_SED +# ------------ +# Check for a fully-functional sed program, that truncates +# as few characters as possible. Prefer GNU sed if found. +m4_defun([_LT_DECL_SED], +[AC_PROG_SED +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" +_LT_DECL([], [SED], [1], [A sed program that does not truncate output]) +_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"], + [Sed that helps us avoid accidentally triggering echo(1) options like -n]) +])# _LT_DECL_SED + +m4_ifndef([AC_PROG_SED], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_SED. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ + +m4_defun([AC_PROG_SED], +[AC_MSG_CHECKING([for a sed that does not truncate output]) +AC_CACHE_VAL(lt_cv_path_SED, +[# Loop through the user's path and test for sed and gsed. +# Then use that list of sed's as ones to test for truncation. +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for lt_ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then + lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" + fi + done + done +done +IFS=$as_save_IFS +lt_ac_max=0 +lt_ac_count=0 +# Add /usr/xpg4/bin/sed as it is typically found on Solaris +# along with /bin/sed that truncates output. +for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do + test ! -f "$lt_ac_sed" && continue + cat /dev/null > conftest.in + lt_ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >conftest.in + # Check for GNU sed and select it if it is found. + if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then + lt_cv_path_SED=$lt_ac_sed + break + fi + while true; do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >>conftest.nl + $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break + cmp -s conftest.out conftest.nl || break + # 10000 chars as input seems more than enough + test 10 -lt "$lt_ac_count" && break + lt_ac_count=`expr $lt_ac_count + 1` + if test "$lt_ac_count" -gt "$lt_ac_max"; then + lt_ac_max=$lt_ac_count + lt_cv_path_SED=$lt_ac_sed + fi + done +done +]) +SED=$lt_cv_path_SED +AC_SUBST([SED]) +AC_MSG_RESULT([$SED]) +])#AC_PROG_SED +])#m4_ifndef + +# Old name: +AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_SED], []) + + +# _LT_CHECK_SHELL_FEATURES +# ------------------------ +# Find out whether the shell is Bourne or XSI compatible, +# or has some other useful features. +m4_defun([_LT_CHECK_SHELL_FEATURES], +[if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi +_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac +_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl +_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl +])# _LT_CHECK_SHELL_FEATURES + + +# _LT_PATH_CONVERSION_FUNCTIONS +# ----------------------------- +# Determine what file name conversion functions should be used by +# func_to_host_file (and, implicitly, by func_to_host_path). These are needed +# for certain cross-compile configurations and native mingw. +m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_MSG_CHECKING([how to convert $build file names to $host format]) +AC_CACHE_VAL(lt_cv_to_host_file_cmd, +[case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac +]) +to_host_file_cmd=$lt_cv_to_host_file_cmd +AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) +_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], + [0], [convert $build file names to $host format])dnl + +AC_MSG_CHECKING([how to convert $build file names to toolchain format]) +AC_CACHE_VAL(lt_cv_to_tool_file_cmd, +[#assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac +]) +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) +_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], + [0], [convert $build files to toolchain format])dnl +])# _LT_PATH_CONVERSION_FUNCTIONS diff --git a/spl/config/ltmain.sh b/spl/config/ltmain.sh new file mode 100644 index 000000000000..a736cf994256 --- /dev/null +++ b/spl/config/ltmain.sh @@ -0,0 +1,11156 @@ +#! /bin/sh +## DO NOT EDIT - This file generated from ./build-aux/ltmain.in +## by inline-source v2014-01-03.01 + +# libtool (GNU libtool) 2.4.6 +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit , 1996 + +# Copyright (C) 1996-2015 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +PROGRAM=libtool +PACKAGE=libtool +VERSION="2.4.6 Debian-2.4.6-2" +package_revision=2.4.6 + + +## ------ ## +## Usage. ## +## ------ ## + +# Run './libtool --help' for help with using this script from the +# command line. + + +## ------------------------------- ## +## User overridable command paths. ## +## ------------------------------- ## + +# After configure completes, it has a better idea of some of the +# shell tools we need than the defaults used by the functions shared +# with bootstrap, so set those here where they can still be over- +# ridden by the user, but otherwise take precedence. + +: ${AUTOCONF="autoconf"} +: ${AUTOMAKE="automake"} + + +## -------------------------- ## +## Source external libraries. ## +## -------------------------- ## + +# Much of our low-level functionality needs to be sourced from external +# libraries, which are installed to $pkgauxdir. + +# Set a version string for this script. +scriptversion=2015-01-20.17; # UTC + +# General shell script boiler plate, and helper functions. +# Written by Gary V. Vaughan, 2004 + +# Copyright (C) 2004-2015 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. + +# As a special exception to the GNU General Public License, if you distribute +# this file as part of a program or library that is built using GNU Libtool, +# you may include this file under the same distribution terms that you use +# for the rest of that program. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNES FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# Please report bugs or propose patches to gary@gnu.org. + + +## ------ ## +## Usage. ## +## ------ ## + +# Evaluate this file near the top of your script to gain access to +# the functions and variables defined here: +# +# . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh +# +# If you need to override any of the default environment variable +# settings, do that before evaluating this file. + + +## -------------------- ## +## Shell normalisation. ## +## -------------------- ## + +# Some shells need a little help to be as Bourne compatible as possible. +# Before doing anything else, make sure all that help has been provided! + +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac +fi + +# NLS nuisances: We save the old values in case they are required later. +_G_user_locale= +_G_safe_locale= +for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES +do + eval "if test set = \"\${$_G_var+set}\"; then + save_$_G_var=\$$_G_var + $_G_var=C + export $_G_var + _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" + _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" + fi" +done + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Make sure IFS has a sensible default +sp=' ' +nl=' +' +IFS="$sp $nl" + +# There are apparently some retarded systems that use ';' as a PATH separator! +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + + +## ------------------------- ## +## Locate command utilities. ## +## ------------------------- ## + + +# func_executable_p FILE +# ---------------------- +# Check that FILE is an executable regular file. +func_executable_p () +{ + test -f "$1" && test -x "$1" +} + + +# func_path_progs PROGS_LIST CHECK_FUNC [PATH] +# -------------------------------------------- +# Search for either a program that responds to --version with output +# containing "GNU", or else returned by CHECK_FUNC otherwise, by +# trying all the directories in PATH with each of the elements of +# PROGS_LIST. +# +# CHECK_FUNC should accept the path to a candidate program, and +# set $func_check_prog_result if it truncates its output less than +# $_G_path_prog_max characters. +func_path_progs () +{ + _G_progs_list=$1 + _G_check_func=$2 + _G_PATH=${3-"$PATH"} + + _G_path_prog_max=0 + _G_path_prog_found=false + _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} + for _G_dir in $_G_PATH; do + IFS=$_G_save_IFS + test -z "$_G_dir" && _G_dir=. + for _G_prog_name in $_G_progs_list; do + for _exeext in '' .EXE; do + _G_path_prog=$_G_dir/$_G_prog_name$_exeext + func_executable_p "$_G_path_prog" || continue + case `"$_G_path_prog" --version 2>&1` in + *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; + *) $_G_check_func $_G_path_prog + func_path_progs_result=$func_check_prog_result + ;; + esac + $_G_path_prog_found && break 3 + done + done + done + IFS=$_G_save_IFS + test -z "$func_path_progs_result" && { + echo "no acceptable sed could be found in \$PATH" >&2 + exit 1 + } +} + + +# We want to be able to use the functions in this file before configure +# has figured out where the best binaries are kept, which means we have +# to search for them ourselves - except when the results are already set +# where we skip the searches. + +# Unless the user overrides by setting SED, search the path for either GNU +# sed, or the sed that truncates its output the least. +test -z "$SED" && { + _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for _G_i in 1 2 3 4 5 6 7; do + _G_sed_script=$_G_sed_script$nl$_G_sed_script + done + echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed + _G_sed_script= + + func_check_prog_sed () + { + _G_path_prog=$1 + + _G_count=0 + printf 0123456789 >conftest.in + while : + do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo '' >> conftest.nl + "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break + diff conftest.out conftest.nl >/dev/null 2>&1 || break + _G_count=`expr $_G_count + 1` + if test "$_G_count" -gt "$_G_path_prog_max"; then + # Best one so far, save it but keep looking for a better one + func_check_prog_result=$_G_path_prog + _G_path_prog_max=$_G_count + fi + # 10*(2^10) chars as input seems more than enough + test 10 -lt "$_G_count" && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out + } + + func_path_progs "sed gsed" func_check_prog_sed $PATH:/usr/xpg4/bin + rm -f conftest.sed + SED=$func_path_progs_result +} + + +# Unless the user overrides by setting GREP, search the path for either GNU +# grep, or the grep that truncates its output the least. +test -z "$GREP" && { + func_check_prog_grep () + { + _G_path_prog=$1 + + _G_count=0 + _G_path_prog_max=0 + printf 0123456789 >conftest.in + while : + do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo 'GREP' >> conftest.nl + "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break + diff conftest.out conftest.nl >/dev/null 2>&1 || break + _G_count=`expr $_G_count + 1` + if test "$_G_count" -gt "$_G_path_prog_max"; then + # Best one so far, save it but keep looking for a better one + func_check_prog_result=$_G_path_prog + _G_path_prog_max=$_G_count + fi + # 10*(2^10) chars as input seems more than enough + test 10 -lt "$_G_count" && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out + } + + func_path_progs "grep ggrep" func_check_prog_grep $PATH:/usr/xpg4/bin + GREP=$func_path_progs_result +} + + +## ------------------------------- ## +## User overridable command paths. ## +## ------------------------------- ## + +# All uppercase variable names are used for environment variables. These +# variables can be overridden by the user before calling a script that +# uses them if a suitable command of that name is not already available +# in the command search PATH. + +: ${CP="cp -f"} +: ${ECHO="printf %s\n"} +: ${EGREP="$GREP -E"} +: ${FGREP="$GREP -F"} +: ${LN_S="ln -s"} +: ${MAKE="make"} +: ${MKDIR="mkdir"} +: ${MV="mv -f"} +: ${RM="rm -f"} +: ${SHELL="${CONFIG_SHELL-/bin/sh}"} + + +## -------------------- ## +## Useful sed snippets. ## +## -------------------- ## + +sed_dirname='s|/[^/]*$||' +sed_basename='s|^.*/||' + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s|\([`"$\\]\)|\\\1|g' + +# Same as above, but do not quote variable references. +sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution that turns a string into a regex matching for the +# string literally. +sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' + +# Sed substitution that converts a w32 file name or path +# that contains forward slashes, into one that contains +# (escaped) backslashes. A very naive implementation. +sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + +# Re-'\' parameter expansions in output of sed_double_quote_subst that +# were '\'-ed in input to the same. If an odd number of '\' preceded a +# '$' in input to sed_double_quote_subst, that '$' was protected from +# expansion. Since each input '\' is now two '\'s, look for any number +# of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. +_G_bs='\\' +_G_bs2='\\\\' +_G_bs4='\\\\\\\\' +_G_dollar='\$' +sed_double_backslash="\ + s/$_G_bs4/&\\ +/g + s/^$_G_bs2$_G_dollar/$_G_bs&/ + s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g + s/\n//g" + + +## ----------------- ## +## Global variables. ## +## ----------------- ## + +# Except for the global variables explicitly listed below, the following +# functions in the '^func_' namespace, and the '^require_' namespace +# variables initialised in the 'Resource management' section, sourcing +# this file will not pollute your global namespace with anything +# else. There's no portable way to scope variables in Bourne shell +# though, so actually running these functions will sometimes place +# results into a variable named after the function, and often use +# temporary variables in the '^_G_' namespace. If you are careful to +# avoid using those namespaces casually in your sourcing script, things +# should continue to work as you expect. And, of course, you can freely +# overwrite any of the functions or variables defined here before +# calling anything to customize them. + +EXIT_SUCCESS=0 +EXIT_FAILURE=1 +EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. +EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. + +# Allow overriding, eg assuming that you follow the convention of +# putting '$debug_cmd' at the start of all your functions, you can get +# bash to show function call trace with: +# +# debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name +debug_cmd=${debug_cmd-":"} +exit_cmd=: + +# By convention, finish your script with: +# +# exit $exit_status +# +# so that you can set exit_status to non-zero if you want to indicate +# something went wrong during execution without actually bailing out at +# the point of failure. +exit_status=$EXIT_SUCCESS + +# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh +# is ksh but when the shell is invoked as "sh" and the current value of +# the _XPG environment variable is not equal to 1 (one), the special +# positional parameter $0, within a function call, is the name of the +# function. +progpath=$0 + +# The name of this program. +progname=`$ECHO "$progpath" |$SED "$sed_basename"` + +# Make sure we have an absolute progpath for reexecution: +case $progpath in + [\\/]*|[A-Za-z]:\\*) ;; + *[\\/]*) + progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` + progdir=`cd "$progdir" && pwd` + progpath=$progdir/$progname + ;; + *) + _G_IFS=$IFS + IFS=${PATH_SEPARATOR-:} + for progdir in $PATH; do + IFS=$_G_IFS + test -x "$progdir/$progname" && break + done + IFS=$_G_IFS + test -n "$progdir" || progdir=`pwd` + progpath=$progdir/$progname + ;; +esac + + +## ----------------- ## +## Standard options. ## +## ----------------- ## + +# The following options affect the operation of the functions defined +# below, and should be set appropriately depending on run-time para- +# meters passed on the command line. + +opt_dry_run=false +opt_quiet=false +opt_verbose=false + +# Categories 'all' and 'none' are always available. Append any others +# you will pass as the first argument to func_warning from your own +# code. +warning_categories= + +# By default, display warnings according to 'opt_warning_types'. Set +# 'warning_func' to ':' to elide all warnings, or func_fatal_error to +# treat the next displayed warning as a fatal error. +warning_func=func_warn_and_continue + +# Set to 'all' to display all warnings, 'none' to suppress all +# warnings, or a space delimited list of some subset of +# 'warning_categories' to display only the listed warnings. +opt_warning_types=all + + +## -------------------- ## +## Resource management. ## +## -------------------- ## + +# This section contains definitions for functions that each ensure a +# particular resource (a file, or a non-empty configuration variable for +# example) is available, and if appropriate to extract default values +# from pertinent package files. Call them using their associated +# 'require_*' variable to ensure that they are executed, at most, once. +# +# It's entirely deliberate that calling these functions can set +# variables that don't obey the namespace limitations obeyed by the rest +# of this file, in order that that they be as useful as possible to +# callers. + + +# require_term_colors +# ------------------- +# Allow display of bold text on terminals that support it. +require_term_colors=func_require_term_colors +func_require_term_colors () +{ + $debug_cmd + + test -t 1 && { + # COLORTERM and USE_ANSI_COLORS environment variables take + # precedence, because most terminfo databases neglect to describe + # whether color sequences are supported. + test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} + + if test 1 = "$USE_ANSI_COLORS"; then + # Standard ANSI escape sequences + tc_reset='' + tc_bold=''; tc_standout='' + tc_red=''; tc_green='' + tc_blue=''; tc_cyan='' + else + # Otherwise trust the terminfo database after all. + test -n "`tput sgr0 2>/dev/null`" && { + tc_reset=`tput sgr0` + test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` + tc_standout=$tc_bold + test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` + test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` + test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` + test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` + test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` + } + fi + } + + require_term_colors=: +} + + +## ----------------- ## +## Function library. ## +## ----------------- ## + +# This section contains a variety of useful functions to call in your +# scripts. Take note of the portable wrappers for features provided by +# some modern shells, which will fall back to slower equivalents on +# less featureful shells. + + +# func_append VAR VALUE +# --------------------- +# Append VALUE onto the existing contents of VAR. + + # We should try to minimise forks, especially on Windows where they are + # unreasonably slow, so skip the feature probes when bash or zsh are + # being used: + if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then + : ${_G_HAVE_ARITH_OP="yes"} + : ${_G_HAVE_XSI_OPS="yes"} + # The += operator was introduced in bash 3.1 + case $BASH_VERSION in + [12].* | 3.0 | 3.0*) ;; + *) + : ${_G_HAVE_PLUSEQ_OP="yes"} + ;; + esac + fi + + # _G_HAVE_PLUSEQ_OP + # Can be empty, in which case the shell is probed, "yes" if += is + # useable or anything else if it does not work. + test -z "$_G_HAVE_PLUSEQ_OP" \ + && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \ + && _G_HAVE_PLUSEQ_OP=yes + +if test yes = "$_G_HAVE_PLUSEQ_OP" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_append () + { + $debug_cmd + + eval "$1+=\$2" + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_append () + { + $debug_cmd + + eval "$1=\$$1\$2" + } +fi + + +# func_append_quoted VAR VALUE +# ---------------------------- +# Quote VALUE and append to the end of shell variable VAR, separated +# by a space. +if test yes = "$_G_HAVE_PLUSEQ_OP"; then + eval 'func_append_quoted () + { + $debug_cmd + + func_quote_for_eval "$2" + eval "$1+=\\ \$func_quote_for_eval_result" + }' +else + func_append_quoted () + { + $debug_cmd + + func_quote_for_eval "$2" + eval "$1=\$$1\\ \$func_quote_for_eval_result" + } +fi + + +# func_append_uniq VAR VALUE +# -------------------------- +# Append unique VALUE onto the existing contents of VAR, assuming +# entries are delimited by the first character of VALUE. For example: +# +# func_append_uniq options " --another-option option-argument" +# +# will only append to $options if " --another-option option-argument " +# is not already present somewhere in $options already (note spaces at +# each end implied by leading space in second argument). +func_append_uniq () +{ + $debug_cmd + + eval _G_current_value='`$ECHO $'$1'`' + _G_delim=`expr "$2" : '\(.\)'` + + case $_G_delim$_G_current_value$_G_delim in + *"$2$_G_delim"*) ;; + *) func_append "$@" ;; + esac +} + + +# func_arith TERM... +# ------------------ +# Set func_arith_result to the result of evaluating TERMs. + test -z "$_G_HAVE_ARITH_OP" \ + && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ + && _G_HAVE_ARITH_OP=yes + +if test yes = "$_G_HAVE_ARITH_OP"; then + eval 'func_arith () + { + $debug_cmd + + func_arith_result=$(( $* )) + }' +else + func_arith () + { + $debug_cmd + + func_arith_result=`expr "$@"` + } +fi + + +# func_basename FILE +# ------------------ +# Set func_basename_result to FILE with everything up to and including +# the last / stripped. +if test yes = "$_G_HAVE_XSI_OPS"; then + # If this shell supports suffix pattern removal, then use it to avoid + # forking. Hide the definitions single quotes in case the shell chokes + # on unsupported syntax... + _b='func_basename_result=${1##*/}' + _d='case $1 in + */*) func_dirname_result=${1%/*}$2 ;; + * ) func_dirname_result=$3 ;; + esac' + +else + # ...otherwise fall back to using sed. + _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' + _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` + if test "X$func_dirname_result" = "X$1"; then + func_dirname_result=$3 + else + func_append func_dirname_result "$2" + fi' +fi + +eval 'func_basename () +{ + $debug_cmd + + '"$_b"' +}' + + +# func_dirname FILE APPEND NONDIR_REPLACEMENT +# ------------------------------------------- +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +eval 'func_dirname () +{ + $debug_cmd + + '"$_d"' +}' + + +# func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT +# -------------------------------------------------------- +# Perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# For efficiency, we do not delegate to the functions above but instead +# duplicate the functionality here. +eval 'func_dirname_and_basename () +{ + $debug_cmd + + '"$_b"' + '"$_d"' +}' + + +# func_echo ARG... +# ---------------- +# Echo program name prefixed message. +func_echo () +{ + $debug_cmd + + _G_message=$* + + func_echo_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_IFS + $ECHO "$progname: $_G_line" + done + IFS=$func_echo_IFS +} + + +# func_echo_all ARG... +# -------------------- +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + + +# func_echo_infix_1 INFIX ARG... +# ------------------------------ +# Echo program name, followed by INFIX on the first line, with any +# additional lines not showing INFIX. +func_echo_infix_1 () +{ + $debug_cmd + + $require_term_colors + + _G_infix=$1; shift + _G_indent=$_G_infix + _G_prefix="$progname: $_G_infix: " + _G_message=$* + + # Strip color escape sequences before counting printable length + for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" + do + test -n "$_G_tc" && { + _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` + _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` + } + done + _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes + + func_echo_infix_1_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_infix_1_IFS + $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 + _G_prefix=$_G_indent + done + IFS=$func_echo_infix_1_IFS +} + + +# func_error ARG... +# ----------------- +# Echo program name prefixed message to standard error. +func_error () +{ + $debug_cmd + + $require_term_colors + + func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 +} + + +# func_fatal_error ARG... +# ----------------------- +# Echo program name prefixed message to standard error, and exit. +func_fatal_error () +{ + $debug_cmd + + func_error "$*" + exit $EXIT_FAILURE +} + + +# func_grep EXPRESSION FILENAME +# ----------------------------- +# Check whether EXPRESSION matches any line of FILENAME, without output. +func_grep () +{ + $debug_cmd + + $GREP "$1" "$2" >/dev/null 2>&1 +} + + +# func_len STRING +# --------------- +# Set func_len_result to the length of STRING. STRING may not +# start with a hyphen. + test -z "$_G_HAVE_XSI_OPS" \ + && (eval 'x=a/b/c; + test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ + && _G_HAVE_XSI_OPS=yes + +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_len () + { + $debug_cmd + + func_len_result=${#1} + }' +else + func_len () + { + $debug_cmd + + func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` + } +fi + + +# func_mkdir_p DIRECTORY-PATH +# --------------------------- +# Make sure the entire path to DIRECTORY-PATH is available. +func_mkdir_p () +{ + $debug_cmd + + _G_directory_path=$1 + _G_dir_list= + + if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then + + # Protect directory names starting with '-' + case $_G_directory_path in + -*) _G_directory_path=./$_G_directory_path ;; + esac + + # While some portion of DIR does not yet exist... + while test ! -d "$_G_directory_path"; do + # ...make a list in topmost first order. Use a colon delimited + # list incase some portion of path contains whitespace. + _G_dir_list=$_G_directory_path:$_G_dir_list + + # If the last portion added has no slash in it, the list is done + case $_G_directory_path in */*) ;; *) break ;; esac + + # ...otherwise throw away the child directory and loop + _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` + done + _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` + + func_mkdir_p_IFS=$IFS; IFS=: + for _G_dir in $_G_dir_list; do + IFS=$func_mkdir_p_IFS + # mkdir can fail with a 'File exist' error if two processes + # try to create one of the directories concurrently. Don't + # stop in that case! + $MKDIR "$_G_dir" 2>/dev/null || : + done + IFS=$func_mkdir_p_IFS + + # Bail out if we (or some other process) failed to create a directory. + test -d "$_G_directory_path" || \ + func_fatal_error "Failed to create '$1'" + fi +} + + +# func_mktempdir [BASENAME] +# ------------------------- +# Make a temporary directory that won't clash with other running +# libtool processes, and avoids race conditions if possible. If +# given, BASENAME is the basename for that directory. +func_mktempdir () +{ + $debug_cmd + + _G_template=${TMPDIR-/tmp}/${1-$progname} + + if test : = "$opt_dry_run"; then + # Return a directory name, but don't create it in dry-run mode + _G_tmpdir=$_G_template-$$ + else + + # If mktemp works, use that first and foremost + _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null` + + if test ! -d "$_G_tmpdir"; then + # Failing that, at least try and use $RANDOM to avoid a race + _G_tmpdir=$_G_template-${RANDOM-0}$$ + + func_mktempdir_umask=`umask` + umask 0077 + $MKDIR "$_G_tmpdir" + umask $func_mktempdir_umask + fi + + # If we're not in dry-run mode, bomb out on failure + test -d "$_G_tmpdir" || \ + func_fatal_error "cannot create temporary directory '$_G_tmpdir'" + fi + + $ECHO "$_G_tmpdir" +} + + +# func_normal_abspath PATH +# ------------------------ +# Remove doubled-up and trailing slashes, "." path components, +# and cancel out any ".." path components in PATH after making +# it an absolute path. +func_normal_abspath () +{ + $debug_cmd + + # These SED scripts presuppose an absolute path with a trailing slash. + _G_pathcar='s|^/\([^/]*\).*$|\1|' + _G_pathcdr='s|^/[^/]*||' + _G_removedotparts=':dotsl + s|/\./|/|g + t dotsl + s|/\.$|/|' + _G_collapseslashes='s|/\{1,\}|/|g' + _G_finalslash='s|/*$|/|' + + # Start from root dir and reassemble the path. + func_normal_abspath_result= + func_normal_abspath_tpath=$1 + func_normal_abspath_altnamespace= + case $func_normal_abspath_tpath in + "") + # Empty path, that just means $cwd. + func_stripname '' '/' "`pwd`" + func_normal_abspath_result=$func_stripname_result + return + ;; + # The next three entries are used to spot a run of precisely + # two leading slashes without using negated character classes; + # we take advantage of case's first-match behaviour. + ///*) + # Unusual form of absolute path, do nothing. + ;; + //*) + # Not necessarily an ordinary path; POSIX reserves leading '//' + # and for example Cygwin uses it to access remote file shares + # over CIFS/SMB, so we conserve a leading double slash if found. + func_normal_abspath_altnamespace=/ + ;; + /*) + # Absolute path, do nothing. + ;; + *) + # Relative path, prepend $cwd. + func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath + ;; + esac + + # Cancel out all the simple stuff to save iterations. We also want + # the path to end with a slash for ease of parsing, so make sure + # there is one (and only one) here. + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` + while :; do + # Processed it all yet? + if test / = "$func_normal_abspath_tpath"; then + # If we ascended to the root using ".." the result may be empty now. + if test -z "$func_normal_abspath_result"; then + func_normal_abspath_result=/ + fi + break + fi + func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_pathcar"` + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_pathcdr"` + # Figure out what to do with it + case $func_normal_abspath_tcomponent in + "") + # Trailing empty path component, ignore it. + ;; + ..) + # Parent dir; strip last assembled component from result. + func_dirname "$func_normal_abspath_result" + func_normal_abspath_result=$func_dirname_result + ;; + *) + # Actual path component, append it. + func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" + ;; + esac + done + # Restore leading double-slash if one was found on entry. + func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result +} + + +# func_notquiet ARG... +# -------------------- +# Echo program name prefixed message only when not in quiet mode. +func_notquiet () +{ + $debug_cmd + + $opt_quiet || func_echo ${1+"$@"} + + # A bug in bash halts the script if the last line of a function + # fails when set -e is in force, so we need another command to + # work around that: + : +} + + +# func_relative_path SRCDIR DSTDIR +# -------------------------------- +# Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. +func_relative_path () +{ + $debug_cmd + + func_relative_path_result= + func_normal_abspath "$1" + func_relative_path_tlibdir=$func_normal_abspath_result + func_normal_abspath "$2" + func_relative_path_tbindir=$func_normal_abspath_result + + # Ascend the tree starting from libdir + while :; do + # check if we have found a prefix of bindir + case $func_relative_path_tbindir in + $func_relative_path_tlibdir) + # found an exact match + func_relative_path_tcancelled= + break + ;; + $func_relative_path_tlibdir*) + # found a matching prefix + func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" + func_relative_path_tcancelled=$func_stripname_result + if test -z "$func_relative_path_result"; then + func_relative_path_result=. + fi + break + ;; + *) + func_dirname $func_relative_path_tlibdir + func_relative_path_tlibdir=$func_dirname_result + if test -z "$func_relative_path_tlibdir"; then + # Have to descend all the way to the root! + func_relative_path_result=../$func_relative_path_result + func_relative_path_tcancelled=$func_relative_path_tbindir + break + fi + func_relative_path_result=../$func_relative_path_result + ;; + esac + done + + # Now calculate path; take care to avoid doubling-up slashes. + func_stripname '' '/' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + func_stripname '/' '/' "$func_relative_path_tcancelled" + if test -n "$func_stripname_result"; then + func_append func_relative_path_result "/$func_stripname_result" + fi + + # Normalisation. If bindir is libdir, return '.' else relative path. + if test -n "$func_relative_path_result"; then + func_stripname './' '' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + fi + + test -n "$func_relative_path_result" || func_relative_path_result=. + + : +} + + +# func_quote_for_eval ARG... +# -------------------------- +# Aesthetically quote ARGs to be evaled later. +# This function returns two values: +# i) func_quote_for_eval_result +# double-quoted, suitable for a subsequent eval +# ii) func_quote_for_eval_unquoted_result +# has all characters that are still active within double +# quotes backslashified. +func_quote_for_eval () +{ + $debug_cmd + + func_quote_for_eval_unquoted_result= + func_quote_for_eval_result= + while test 0 -lt $#; do + case $1 in + *[\\\`\"\$]*) + _G_unquoted_arg=`printf '%s\n' "$1" |$SED "$sed_quote_subst"` ;; + *) + _G_unquoted_arg=$1 ;; + esac + if test -n "$func_quote_for_eval_unquoted_result"; then + func_append func_quote_for_eval_unquoted_result " $_G_unquoted_arg" + else + func_append func_quote_for_eval_unquoted_result "$_G_unquoted_arg" + fi + + case $_G_unquoted_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting, command substitution and variable expansion + # for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + _G_quoted_arg=\"$_G_unquoted_arg\" + ;; + *) + _G_quoted_arg=$_G_unquoted_arg + ;; + esac + + if test -n "$func_quote_for_eval_result"; then + func_append func_quote_for_eval_result " $_G_quoted_arg" + else + func_append func_quote_for_eval_result "$_G_quoted_arg" + fi + shift + done +} + + +# func_quote_for_expand ARG +# ------------------------- +# Aesthetically quote ARG to be evaled later; same as above, +# but do not quote variable references. +func_quote_for_expand () +{ + $debug_cmd + + case $1 in + *[\\\`\"]*) + _G_arg=`$ECHO "$1" | $SED \ + -e "$sed_double_quote_subst" -e "$sed_double_backslash"` ;; + *) + _G_arg=$1 ;; + esac + + case $_G_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting and command substitution for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + _G_arg=\"$_G_arg\" + ;; + esac + + func_quote_for_expand_result=$_G_arg +} + + +# func_stripname PREFIX SUFFIX NAME +# --------------------------------- +# strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_stripname () + { + $debug_cmd + + # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are + # positional parameters, so assign one to ordinary variable first. + func_stripname_result=$3 + func_stripname_result=${func_stripname_result#"$1"} + func_stripname_result=${func_stripname_result%"$2"} + }' +else + func_stripname () + { + $debug_cmd + + case $2 in + .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; + *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; + esac + } +fi + + +# func_show_eval CMD [FAIL_EXP] +# ----------------------------- +# Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. +func_show_eval () +{ + $debug_cmd + + _G_cmd=$1 + _G_fail_exp=${2-':'} + + func_quote_for_expand "$_G_cmd" + eval "func_notquiet $func_quote_for_expand_result" + + $opt_dry_run || { + eval "$_G_cmd" + _G_status=$? + if test 0 -ne "$_G_status"; then + eval "(exit $_G_status); $_G_fail_exp" + fi + } +} + + +# func_show_eval_locale CMD [FAIL_EXP] +# ------------------------------------ +# Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. Use the saved locale for evaluation. +func_show_eval_locale () +{ + $debug_cmd + + _G_cmd=$1 + _G_fail_exp=${2-':'} + + $opt_quiet || { + func_quote_for_expand "$_G_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + $opt_dry_run || { + eval "$_G_user_locale + $_G_cmd" + _G_status=$? + eval "$_G_safe_locale" + if test 0 -ne "$_G_status"; then + eval "(exit $_G_status); $_G_fail_exp" + fi + } +} + + +# func_tr_sh +# ---------- +# Turn $1 into a string suitable for a shell variable name. +# Result is stored in $func_tr_sh_result. All characters +# not in the set a-zA-Z0-9_ are replaced with '_'. Further, +# if $1 begins with a digit, a '_' is prepended as well. +func_tr_sh () +{ + $debug_cmd + + case $1 in + [0-9]* | *[!a-zA-Z0-9_]*) + func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` + ;; + * ) + func_tr_sh_result=$1 + ;; + esac +} + + +# func_verbose ARG... +# ------------------- +# Echo program name prefixed message in verbose mode only. +func_verbose () +{ + $debug_cmd + + $opt_verbose && func_echo "$*" + + : +} + + +# func_warn_and_continue ARG... +# ----------------------------- +# Echo program name prefixed warning message to standard error. +func_warn_and_continue () +{ + $debug_cmd + + $require_term_colors + + func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 +} + + +# func_warning CATEGORY ARG... +# ---------------------------- +# Echo program name prefixed warning message to standard error. Warning +# messages can be filtered according to CATEGORY, where this function +# elides messages where CATEGORY is not listed in the global variable +# 'opt_warning_types'. +func_warning () +{ + $debug_cmd + + # CATEGORY must be in the warning_categories list! + case " $warning_categories " in + *" $1 "*) ;; + *) func_internal_error "invalid warning category '$1'" ;; + esac + + _G_category=$1 + shift + + case " $opt_warning_types " in + *" $_G_category "*) $warning_func ${1+"$@"} ;; + esac +} + + +# func_sort_ver VER1 VER2 +# ----------------------- +# 'sort -V' is not generally available. +# Note this deviates from the version comparison in automake +# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a +# but this should suffice as we won't be specifying old +# version formats or redundant trailing .0 in bootstrap.conf. +# If we did want full compatibility then we should probably +# use m4_version_compare from autoconf. +func_sort_ver () +{ + $debug_cmd + + printf '%s\n%s\n' "$1" "$2" \ + | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n +} + +# func_lt_ver PREV CURR +# --------------------- +# Return true if PREV and CURR are in the correct order according to +# func_sort_ver, otherwise false. Use it like this: +# +# func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." +func_lt_ver () +{ + $debug_cmd + + test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` +} + + +# Local variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" +# time-stamp-time-zone: "UTC" +# End: +#! /bin/sh + +# Set a version string for this script. +scriptversion=2014-01-07.03; # UTC + +# A portable, pluggable option parser for Bourne shell. +# Written by Gary V. Vaughan, 2010 + +# Copyright (C) 2010-2015 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# Please report bugs or propose patches to gary@gnu.org. + + +## ------ ## +## Usage. ## +## ------ ## + +# This file is a library for parsing options in your shell scripts along +# with assorted other useful supporting features that you can make use +# of too. +# +# For the simplest scripts you might need only: +# +# #!/bin/sh +# . relative/path/to/funclib.sh +# . relative/path/to/options-parser +# scriptversion=1.0 +# func_options ${1+"$@"} +# eval set dummy "$func_options_result"; shift +# ...rest of your script... +# +# In order for the '--version' option to work, you will need to have a +# suitably formatted comment like the one at the top of this file +# starting with '# Written by ' and ending with '# warranty; '. +# +# For '-h' and '--help' to work, you will also need a one line +# description of your script's purpose in a comment directly above the +# '# Written by ' line, like the one at the top of this file. +# +# The default options also support '--debug', which will turn on shell +# execution tracing (see the comment above debug_cmd below for another +# use), and '--verbose' and the func_verbose function to allow your script +# to display verbose messages only when your user has specified +# '--verbose'. +# +# After sourcing this file, you can plug processing for additional +# options by amending the variables from the 'Configuration' section +# below, and following the instructions in the 'Option parsing' +# section further down. + +## -------------- ## +## Configuration. ## +## -------------- ## + +# You should override these variables in your script after sourcing this +# file so that they reflect the customisations you have added to the +# option parser. + +# The usage line for option parsing errors and the start of '-h' and +# '--help' output messages. You can embed shell variables for delayed +# expansion at the time the message is displayed, but you will need to +# quote other shell meta-characters carefully to prevent them being +# expanded when the contents are evaled. +usage='$progpath [OPTION]...' + +# Short help message in response to '-h' and '--help'. Add to this or +# override it after sourcing this library to reflect the full set of +# options your script accepts. +usage_message="\ + --debug enable verbose shell tracing + -W, --warnings=CATEGORY + report the warnings falling in CATEGORY [all] + -v, --verbose verbosely report processing + --version print version information and exit + -h, --help print short or long help message and exit +" + +# Additional text appended to 'usage_message' in response to '--help'. +long_help_message=" +Warning categories include: + 'all' show all warnings + 'none' turn off all the warnings + 'error' warnings are treated as fatal errors" + +# Help message printed before fatal option parsing errors. +fatal_help="Try '\$progname --help' for more information." + + + +## ------------------------- ## +## Hook function management. ## +## ------------------------- ## + +# This section contains functions for adding, removing, and running hooks +# to the main code. A hook is just a named list of of function, that can +# be run in order later on. + +# func_hookable FUNC_NAME +# ----------------------- +# Declare that FUNC_NAME will run hooks added with +# 'func_add_hook FUNC_NAME ...'. +func_hookable () +{ + $debug_cmd + + func_append hookable_fns " $1" +} + + +# func_add_hook FUNC_NAME HOOK_FUNC +# --------------------------------- +# Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must +# first have been declared "hookable" by a call to 'func_hookable'. +func_add_hook () +{ + $debug_cmd + + case " $hookable_fns " in + *" $1 "*) ;; + *) func_fatal_error "'$1' does not accept hook functions." ;; + esac + + eval func_append ${1}_hooks '" $2"' +} + + +# func_remove_hook FUNC_NAME HOOK_FUNC +# ------------------------------------ +# Remove HOOK_FUNC from the list of functions called by FUNC_NAME. +func_remove_hook () +{ + $debug_cmd + + eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' +} + + +# func_run_hooks FUNC_NAME [ARG]... +# --------------------------------- +# Run all hook functions registered to FUNC_NAME. +# It is assumed that the list of hook functions contains nothing more +# than a whitespace-delimited list of legal shell function names, and +# no effort is wasted trying to catch shell meta-characters or preserve +# whitespace. +func_run_hooks () +{ + $debug_cmd + + case " $hookable_fns " in + *" $1 "*) ;; + *) func_fatal_error "'$1' does not support hook funcions.n" ;; + esac + + eval _G_hook_fns=\$$1_hooks; shift + + for _G_hook in $_G_hook_fns; do + eval $_G_hook '"$@"' + + # store returned options list back into positional + # parameters for next 'cmd' execution. + eval _G_hook_result=\$${_G_hook}_result + eval set dummy "$_G_hook_result"; shift + done + + func_quote_for_eval ${1+"$@"} + func_run_hooks_result=$func_quote_for_eval_result +} + + + +## --------------- ## +## Option parsing. ## +## --------------- ## + +# In order to add your own option parsing hooks, you must accept the +# full positional parameter list in your hook function, remove any +# options that you action, and then pass back the remaining unprocessed +# options in '_result', escaped suitably for +# 'eval'. Like this: +# +# my_options_prep () +# { +# $debug_cmd +# +# # Extend the existing usage message. +# usage_message=$usage_message' +# -s, --silent don'\''t print informational messages +# ' +# +# func_quote_for_eval ${1+"$@"} +# my_options_prep_result=$func_quote_for_eval_result +# } +# func_add_hook func_options_prep my_options_prep +# +# +# my_silent_option () +# { +# $debug_cmd +# +# # Note that for efficiency, we parse as many options as we can +# # recognise in a loop before passing the remainder back to the +# # caller on the first unrecognised argument we encounter. +# while test $# -gt 0; do +# opt=$1; shift +# case $opt in +# --silent|-s) opt_silent=: ;; +# # Separate non-argument short options: +# -s*) func_split_short_opt "$_G_opt" +# set dummy "$func_split_short_opt_name" \ +# "-$func_split_short_opt_arg" ${1+"$@"} +# shift +# ;; +# *) set dummy "$_G_opt" "$*"; shift; break ;; +# esac +# done +# +# func_quote_for_eval ${1+"$@"} +# my_silent_option_result=$func_quote_for_eval_result +# } +# func_add_hook func_parse_options my_silent_option +# +# +# my_option_validation () +# { +# $debug_cmd +# +# $opt_silent && $opt_verbose && func_fatal_help "\ +# '--silent' and '--verbose' options are mutually exclusive." +# +# func_quote_for_eval ${1+"$@"} +# my_option_validation_result=$func_quote_for_eval_result +# } +# func_add_hook func_validate_options my_option_validation +# +# You'll alse need to manually amend $usage_message to reflect the extra +# options you parse. It's preferable to append if you can, so that +# multiple option parsing hooks can be added safely. + + +# func_options [ARG]... +# --------------------- +# All the functions called inside func_options are hookable. See the +# individual implementations for details. +func_hookable func_options +func_options () +{ + $debug_cmd + + func_options_prep ${1+"$@"} + eval func_parse_options \ + ${func_options_prep_result+"$func_options_prep_result"} + eval func_validate_options \ + ${func_parse_options_result+"$func_parse_options_result"} + + eval func_run_hooks func_options \ + ${func_validate_options_result+"$func_validate_options_result"} + + # save modified positional parameters for caller + func_options_result=$func_run_hooks_result +} + + +# func_options_prep [ARG]... +# -------------------------- +# All initialisations required before starting the option parse loop. +# Note that when calling hook functions, we pass through the list of +# positional parameters. If a hook function modifies that list, and +# needs to propogate that back to rest of this script, then the complete +# modified list must be put in 'func_run_hooks_result' before +# returning. +func_hookable func_options_prep +func_options_prep () +{ + $debug_cmd + + # Option defaults: + opt_verbose=false + opt_warning_types= + + func_run_hooks func_options_prep ${1+"$@"} + + # save modified positional parameters for caller + func_options_prep_result=$func_run_hooks_result +} + + +# func_parse_options [ARG]... +# --------------------------- +# The main option parsing loop. +func_hookable func_parse_options +func_parse_options () +{ + $debug_cmd + + func_parse_options_result= + + # this just eases exit handling + while test $# -gt 0; do + # Defer to hook functions for initial option parsing, so they + # get priority in the event of reusing an option name. + func_run_hooks func_parse_options ${1+"$@"} + + # Adjust func_parse_options positional parameters to match + eval set dummy "$func_run_hooks_result"; shift + + # Break out of the loop if we already parsed every option. + test $# -gt 0 || break + + _G_opt=$1 + shift + case $_G_opt in + --debug|-x) debug_cmd='set -x' + func_echo "enabling shell trace mode" + $debug_cmd + ;; + + --no-warnings|--no-warning|--no-warn) + set dummy --warnings none ${1+"$@"} + shift + ;; + + --warnings|--warning|-W) + test $# = 0 && func_missing_arg $_G_opt && break + case " $warning_categories $1" in + *" $1 "*) + # trailing space prevents matching last $1 above + func_append_uniq opt_warning_types " $1" + ;; + *all) + opt_warning_types=$warning_categories + ;; + *none) + opt_warning_types=none + warning_func=: + ;; + *error) + opt_warning_types=$warning_categories + warning_func=func_fatal_error + ;; + *) + func_fatal_error \ + "unsupported warning category: '$1'" + ;; + esac + shift + ;; + + --verbose|-v) opt_verbose=: ;; + --version) func_version ;; + -\?|-h) func_usage ;; + --help) func_help ;; + + # Separate optargs to long options (plugins may need this): + --*=*) func_split_equals "$_G_opt" + set dummy "$func_split_equals_lhs" \ + "$func_split_equals_rhs" ${1+"$@"} + shift + ;; + + # Separate optargs to short options: + -W*) + func_split_short_opt "$_G_opt" + set dummy "$func_split_short_opt_name" \ + "$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + # Separate non-argument short options: + -\?*|-h*|-v*|-x*) + func_split_short_opt "$_G_opt" + set dummy "$func_split_short_opt_name" \ + "-$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + --) break ;; + -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; + *) set dummy "$_G_opt" ${1+"$@"}; shift; break ;; + esac + done + + # save modified positional parameters for caller + func_quote_for_eval ${1+"$@"} + func_parse_options_result=$func_quote_for_eval_result +} + + +# func_validate_options [ARG]... +# ------------------------------ +# Perform any sanity checks on option settings and/or unconsumed +# arguments. +func_hookable func_validate_options +func_validate_options () +{ + $debug_cmd + + # Display all warnings if -W was not given. + test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" + + func_run_hooks func_validate_options ${1+"$@"} + + # Bail if the options were screwed! + $exit_cmd $EXIT_FAILURE + + # save modified positional parameters for caller + func_validate_options_result=$func_run_hooks_result +} + + + +## ----------------- ## +## Helper functions. ## +## ----------------- ## + +# This section contains the helper functions used by the rest of the +# hookable option parser framework in ascii-betical order. + + +# func_fatal_help ARG... +# ---------------------- +# Echo program name prefixed message to standard error, followed by +# a help hint, and exit. +func_fatal_help () +{ + $debug_cmd + + eval \$ECHO \""Usage: $usage"\" + eval \$ECHO \""$fatal_help"\" + func_error ${1+"$@"} + exit $EXIT_FAILURE +} + + +# func_help +# --------- +# Echo long help message to standard output and exit. +func_help () +{ + $debug_cmd + + func_usage_message + $ECHO "$long_help_message" + exit 0 +} + + +# func_missing_arg ARGNAME +# ------------------------ +# Echo program name prefixed message to standard error and set global +# exit_cmd. +func_missing_arg () +{ + $debug_cmd + + func_error "Missing argument for '$1'." + exit_cmd=exit +} + + +# func_split_equals STRING +# ------------------------ +# Set func_split_equals_lhs and func_split_equals_rhs shell variables after +# splitting STRING at the '=' sign. +test -z "$_G_HAVE_XSI_OPS" \ + && (eval 'x=a/b/c; + test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ + && _G_HAVE_XSI_OPS=yes + +if test yes = "$_G_HAVE_XSI_OPS" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_split_equals () + { + $debug_cmd + + func_split_equals_lhs=${1%%=*} + func_split_equals_rhs=${1#*=} + test "x$func_split_equals_lhs" = "x$1" \ + && func_split_equals_rhs= + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_split_equals () + { + $debug_cmd + + func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` + func_split_equals_rhs= + test "x$func_split_equals_lhs" = "x$1" \ + || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` + } +fi #func_split_equals + + +# func_split_short_opt SHORTOPT +# ----------------------------- +# Set func_split_short_opt_name and func_split_short_opt_arg shell +# variables after splitting SHORTOPT after the 2nd character. +if test yes = "$_G_HAVE_XSI_OPS" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_split_short_opt () + { + $debug_cmd + + func_split_short_opt_arg=${1#??} + func_split_short_opt_name=${1%"$func_split_short_opt_arg"} + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_split_short_opt () + { + $debug_cmd + + func_split_short_opt_name=`expr "x$1" : 'x-\(.\)'` + func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` + } +fi #func_split_short_opt + + +# func_usage +# ---------- +# Echo short help message to standard output and exit. +func_usage () +{ + $debug_cmd + + func_usage_message + $ECHO "Run '$progname --help |${PAGER-more}' for full usage" + exit 0 +} + + +# func_usage_message +# ------------------ +# Echo short help message to standard output. +func_usage_message () +{ + $debug_cmd + + eval \$ECHO \""Usage: $usage"\" + echo + $SED -n 's|^# || + /^Written by/{ + x;p;x + } + h + /^Written by/q' < "$progpath" + echo + eval \$ECHO \""$usage_message"\" +} + + +# func_version +# ------------ +# Echo version message to standard output and exit. +func_version () +{ + $debug_cmd + + printf '%s\n' "$progname $scriptversion" + $SED -n ' + /(C)/!b go + :more + /\./!{ + N + s|\n# | | + b more + } + :go + /^# Written by /,/# warranty; / { + s|^# || + s|^# *$|| + s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| + p + } + /^# Written by / { + s|^# || + p + } + /^warranty; /q' < "$progpath" + + exit $? +} + + +# Local variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" +# time-stamp-time-zone: "UTC" +# End: + +# Set a version string. +scriptversion='(GNU libtool) 2.4.6' + + +# func_echo ARG... +# ---------------- +# Libtool also displays the current mode in messages, so override +# funclib.sh func_echo with this custom definition. +func_echo () +{ + $debug_cmd + + _G_message=$* + + func_echo_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_IFS + $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" + done + IFS=$func_echo_IFS +} + + +# func_warning ARG... +# ------------------- +# Libtool warnings are not categorized, so override funclib.sh +# func_warning with this simpler definition. +func_warning () +{ + $debug_cmd + + $warning_func ${1+"$@"} +} + + +## ---------------- ## +## Options parsing. ## +## ---------------- ## + +# Hook in the functions to make sure our own options are parsed during +# the option parsing loop. + +usage='$progpath [OPTION]... [MODE-ARG]...' + +# Short help message in response to '-h'. +usage_message="Options: + --config show all configuration variables + --debug enable verbose shell tracing + -n, --dry-run display commands without modifying any files + --features display basic configuration information and exit + --mode=MODE use operation mode MODE + --no-warnings equivalent to '-Wnone' + --preserve-dup-deps don't remove duplicate dependency libraries + --quiet, --silent don't print informational messages + --tag=TAG use configuration variables from tag TAG + -v, --verbose print more informational messages than default + --version print version information + -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] + -h, --help, --help-all print short, long, or detailed help message +" + +# Additional text appended to 'usage_message' in response to '--help'. +func_help () +{ + $debug_cmd + + func_usage_message + $ECHO "$long_help_message + +MODE must be one of the following: + + clean remove files from the build directory + compile compile a source file into a libtool object + execute automatically set library path, then run a program + finish complete the installation of libtool libraries + install install libraries or executables + link create a library or an executable + uninstall remove libraries from an installed directory + +MODE-ARGS vary depending on the MODE. When passed as first option, +'--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. +Try '$progname --help --mode=MODE' for a more detailed description of MODE. + +When reporting a bug, please describe a test case to reproduce it and +include the following information: + + host-triplet: $host + shell: $SHELL + compiler: $LTCC + compiler flags: $LTCFLAGS + linker: $LD (gnu? $with_gnu_ld) + version: $progname $scriptversion Debian-2.4.6-2 + automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` + autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` + +Report bugs to . +GNU libtool home page: . +General help using GNU software: ." + exit 0 +} + + +# func_lo2o OBJECT-NAME +# --------------------- +# Transform OBJECT-NAME from a '.lo' suffix to the platform specific +# object suffix. + +lo2o=s/\\.lo\$/.$objext/ +o2lo=s/\\.$objext\$/.lo/ + +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_lo2o () + { + case $1 in + *.lo) func_lo2o_result=${1%.lo}.$objext ;; + * ) func_lo2o_result=$1 ;; + esac + }' + + # func_xform LIBOBJ-OR-SOURCE + # --------------------------- + # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) + # suffix to a '.lo' libtool-object suffix. + eval 'func_xform () + { + func_xform_result=${1%.*}.lo + }' +else + # ...otherwise fall back to using sed. + func_lo2o () + { + func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` + } + + func_xform () + { + func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` + } +fi + + +# func_fatal_configuration ARG... +# ------------------------------- +# Echo program name prefixed message to standard error, followed by +# a configuration failure hint, and exit. +func_fatal_configuration () +{ + func__fatal_error ${1+"$@"} \ + "See the $PACKAGE documentation for more information." \ + "Fatal configuration error." +} + + +# func_config +# ----------- +# Display the configuration for all the tags in this script. +func_config () +{ + re_begincf='^# ### BEGIN LIBTOOL' + re_endcf='^# ### END LIBTOOL' + + # Default configuration. + $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" + + # Now print the configurations for the tags. + for tagname in $taglist; do + $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" + done + + exit $? +} + + +# func_features +# ------------- +# Display the features supported by this script. +func_features () +{ + echo "host: $host" + if test yes = "$build_libtool_libs"; then + echo "enable shared libraries" + else + echo "disable shared libraries" + fi + if test yes = "$build_old_libs"; then + echo "enable static libraries" + else + echo "disable static libraries" + fi + + exit $? +} + + +# func_enable_tag TAGNAME +# ----------------------- +# Verify that TAGNAME is valid, and either flag an error and exit, or +# enable the TAGNAME tag. We also add TAGNAME to the global $taglist +# variable here. +func_enable_tag () +{ + # Global variable: + tagname=$1 + + re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" + re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" + sed_extractcf=/$re_begincf/,/$re_endcf/p + + # Validate tagname. + case $tagname in + *[!-_A-Za-z0-9,/]*) + func_fatal_error "invalid tag name: $tagname" + ;; + esac + + # Don't test for the "default" C tag, as we know it's + # there but not specially marked. + case $tagname in + CC) ;; + *) + if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then + taglist="$taglist $tagname" + + # Evaluate the configuration. Be careful to quote the path + # and the sed script, to avoid splitting on whitespace, but + # also don't use non-portable quotes within backquotes within + # quotes we have to do it in 2 steps: + extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` + eval "$extractedcf" + else + func_error "ignoring unknown tag $tagname" + fi + ;; + esac +} + + +# func_check_version_match +# ------------------------ +# Ensure that we are using m4 macros, and libtool script from the same +# release of libtool. +func_check_version_match () +{ + if test "$package_revision" != "$macro_revision"; then + if test "$VERSION" != "$macro_version"; then + if test -z "$macro_version"; then + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from an older release. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + fi + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, +$progname: but the definition of this LT_INIT comes from revision $macro_revision. +$progname: You should recreate aclocal.m4 with macros from revision $package_revision +$progname: of $PACKAGE $VERSION and run autoconf again. +_LT_EOF + fi + + exit $EXIT_MISMATCH + fi +} + + +# libtool_options_prep [ARG]... +# ----------------------------- +# Preparation for options parsed by libtool. +libtool_options_prep () +{ + $debug_mode + + # Option defaults: + opt_config=false + opt_dlopen= + opt_dry_run=false + opt_help=false + opt_mode= + opt_preserve_dup_deps=false + opt_quiet=false + + nonopt= + preserve_args= + + # Shorthand for --mode=foo, only valid as the first argument + case $1 in + clean|clea|cle|cl) + shift; set dummy --mode clean ${1+"$@"}; shift + ;; + compile|compil|compi|comp|com|co|c) + shift; set dummy --mode compile ${1+"$@"}; shift + ;; + execute|execut|execu|exec|exe|ex|e) + shift; set dummy --mode execute ${1+"$@"}; shift + ;; + finish|finis|fini|fin|fi|f) + shift; set dummy --mode finish ${1+"$@"}; shift + ;; + install|instal|insta|inst|ins|in|i) + shift; set dummy --mode install ${1+"$@"}; shift + ;; + link|lin|li|l) + shift; set dummy --mode link ${1+"$@"}; shift + ;; + uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) + shift; set dummy --mode uninstall ${1+"$@"}; shift + ;; + esac + + # Pass back the list of options. + func_quote_for_eval ${1+"$@"} + libtool_options_prep_result=$func_quote_for_eval_result +} +func_add_hook func_options_prep libtool_options_prep + + +# libtool_parse_options [ARG]... +# --------------------------------- +# Provide handling for libtool specific options. +libtool_parse_options () +{ + $debug_cmd + + # Perform our own loop to consume as many options as possible in + # each iteration. + while test $# -gt 0; do + _G_opt=$1 + shift + case $_G_opt in + --dry-run|--dryrun|-n) + opt_dry_run=: + ;; + + --config) func_config ;; + + --dlopen|-dlopen) + opt_dlopen="${opt_dlopen+$opt_dlopen +}$1" + shift + ;; + + --preserve-dup-deps) + opt_preserve_dup_deps=: ;; + + --features) func_features ;; + + --finish) set dummy --mode finish ${1+"$@"}; shift ;; + + --help) opt_help=: ;; + + --help-all) opt_help=': help-all' ;; + + --mode) test $# = 0 && func_missing_arg $_G_opt && break + opt_mode=$1 + case $1 in + # Valid mode arguments: + clean|compile|execute|finish|install|link|relink|uninstall) ;; + + # Catch anything else as an error + *) func_error "invalid argument for $_G_opt" + exit_cmd=exit + break + ;; + esac + shift + ;; + + --no-silent|--no-quiet) + opt_quiet=false + func_append preserve_args " $_G_opt" + ;; + + --no-warnings|--no-warning|--no-warn) + opt_warning=false + func_append preserve_args " $_G_opt" + ;; + + --no-verbose) + opt_verbose=false + func_append preserve_args " $_G_opt" + ;; + + --silent|--quiet) + opt_quiet=: + opt_verbose=false + func_append preserve_args " $_G_opt" + ;; + + --tag) test $# = 0 && func_missing_arg $_G_opt && break + opt_tag=$1 + func_append preserve_args " $_G_opt $1" + func_enable_tag "$1" + shift + ;; + + --verbose|-v) opt_quiet=false + opt_verbose=: + func_append preserve_args " $_G_opt" + ;; + + # An option not handled by this hook function: + *) set dummy "$_G_opt" ${1+"$@"}; shift; break ;; + esac + done + + + # save modified positional parameters for caller + func_quote_for_eval ${1+"$@"} + libtool_parse_options_result=$func_quote_for_eval_result +} +func_add_hook func_parse_options libtool_parse_options + + + +# libtool_validate_options [ARG]... +# --------------------------------- +# Perform any sanity checks on option settings and/or unconsumed +# arguments. +libtool_validate_options () +{ + # save first non-option argument + if test 0 -lt $#; then + nonopt=$1 + shift + fi + + # preserve --debug + test : = "$debug_cmd" || func_append preserve_args " --debug" + + case $host in + # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452 + # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788 + *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*) + # don't eliminate duplications in $postdeps and $predeps + opt_duplicate_compiler_generated_deps=: + ;; + *) + opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps + ;; + esac + + $opt_help || { + # Sanity checks first: + func_check_version_match + + test yes != "$build_libtool_libs" \ + && test yes != "$build_old_libs" \ + && func_fatal_configuration "not configured to build any kind of library" + + # Darwin sucks + eval std_shrext=\"$shrext_cmds\" + + # Only execute mode is allowed to have -dlopen flags. + if test -n "$opt_dlopen" && test execute != "$opt_mode"; then + func_error "unrecognized option '-dlopen'" + $ECHO "$help" 1>&2 + exit $EXIT_FAILURE + fi + + # Change the help message to a mode-specific one. + generic_help=$help + help="Try '$progname --help --mode=$opt_mode' for more information." + } + + # Pass back the unparsed argument list + func_quote_for_eval ${1+"$@"} + libtool_validate_options_result=$func_quote_for_eval_result +} +func_add_hook func_validate_options libtool_validate_options + + +# Process options as early as possible so that --help and --version +# can return quickly. +func_options ${1+"$@"} +eval set dummy "$func_options_result"; shift + + + +## ----------- ## +## Main. ## +## ----------- ## + +magic='%%%MAGIC variable%%%' +magic_exe='%%%MAGIC EXE variable%%%' + +# Global variables. +extracted_archives= +extracted_serial=0 + +# If this variable is set in any of the actions, the command in it +# will be execed at the end. This prevents here-documents from being +# left over by shells. +exec_cmd= + + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + +# func_generated_by_libtool +# True iff stdin has been generated by Libtool. This function is only +# a basic sanity check; it will hardly flush out determined imposters. +func_generated_by_libtool_p () +{ + $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 +} + +# func_lalib_p file +# True iff FILE is a libtool '.la' library or '.lo' object file. +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_lalib_p () +{ + test -f "$1" && + $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p +} + +# func_lalib_unsafe_p file +# True iff FILE is a libtool '.la' library or '.lo' object file. +# This function implements the same check as func_lalib_p without +# resorting to external programs. To this end, it redirects stdin and +# closes it afterwards, without saving the original file descriptor. +# As a safety measure, use it only where a negative result would be +# fatal anyway. Works if 'file' does not exist. +func_lalib_unsafe_p () +{ + lalib_p=no + if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then + for lalib_p_l in 1 2 3 4 + do + read lalib_p_line + case $lalib_p_line in + \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; + esac + done + exec 0<&5 5<&- + fi + test yes = "$lalib_p" +} + +# func_ltwrapper_script_p file +# True iff FILE is a libtool wrapper script +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_script_p () +{ + test -f "$1" && + $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p +} + +# func_ltwrapper_executable_p file +# True iff FILE is a libtool wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_executable_p () +{ + func_ltwrapper_exec_suffix= + case $1 in + *.exe) ;; + *) func_ltwrapper_exec_suffix=.exe ;; + esac + $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 +} + +# func_ltwrapper_scriptname file +# Assumes file is an ltwrapper_executable +# uses $file to determine the appropriate filename for a +# temporary ltwrapper_script. +func_ltwrapper_scriptname () +{ + func_dirname_and_basename "$1" "" "." + func_stripname '' '.exe' "$func_basename_result" + func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper +} + +# func_ltwrapper_p file +# True iff FILE is a libtool wrapper script or wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_p () +{ + func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" +} + + +# func_execute_cmds commands fail_cmd +# Execute tilde-delimited COMMANDS. +# If FAIL_CMD is given, eval that upon failure. +# FAIL_CMD may read-access the current command in variable CMD! +func_execute_cmds () +{ + $debug_cmd + + save_ifs=$IFS; IFS='~' + for cmd in $1; do + IFS=$sp$nl + eval cmd=\"$cmd\" + IFS=$save_ifs + func_show_eval "$cmd" "${2-:}" + done + IFS=$save_ifs +} + + +# func_source file +# Source FILE, adding directory component if necessary. +# Note that it is not necessary on cygwin/mingw to append a dot to +# FILE even if both FILE and FILE.exe exist: automatic-append-.exe +# behavior happens only for exec(3), not for open(2)! Also, sourcing +# 'FILE.' does not work on cygwin managed mounts. +func_source () +{ + $debug_cmd + + case $1 in + */* | *\\*) . "$1" ;; + *) . "./$1" ;; + esac +} + + +# func_resolve_sysroot PATH +# Replace a leading = in PATH with a sysroot. Store the result into +# func_resolve_sysroot_result +func_resolve_sysroot () +{ + func_resolve_sysroot_result=$1 + case $func_resolve_sysroot_result in + =*) + func_stripname '=' '' "$func_resolve_sysroot_result" + func_resolve_sysroot_result=$lt_sysroot$func_stripname_result + ;; + esac +} + +# func_replace_sysroot PATH +# If PATH begins with the sysroot, replace it with = and +# store the result into func_replace_sysroot_result. +func_replace_sysroot () +{ + case $lt_sysroot:$1 in + ?*:"$lt_sysroot"*) + func_stripname "$lt_sysroot" '' "$1" + func_replace_sysroot_result='='$func_stripname_result + ;; + *) + # Including no sysroot. + func_replace_sysroot_result=$1 + ;; + esac +} + +# func_infer_tag arg +# Infer tagged configuration to use if any are available and +# if one wasn't chosen via the "--tag" command line option. +# Only attempt this if the compiler in the base compile +# command doesn't match the default compiler. +# arg is usually of the form 'gcc ...' +func_infer_tag () +{ + $debug_cmd + + if test -n "$available_tags" && test -z "$tagname"; then + CC_quoted= + for arg in $CC; do + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case $@ in + # Blanks in the command may have been stripped by the calling shell, + # but not from the CC environment variable when configure was run. + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; + # Blanks at the start of $base_compile will cause this to fail + # if we don't check for them as well. + *) + for z in $available_tags; do + if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then + # Evaluate the configuration. + eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" + CC_quoted= + for arg in $CC; do + # Double-quote args containing other shell metacharacters. + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case "$@ " in + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) + # The compiler in the base compile command matches + # the one in the tagged configuration. + # Assume this is the tagged configuration we want. + tagname=$z + break + ;; + esac + fi + done + # If $tagname still isn't set, then no tagged configuration + # was found and let the user know that the "--tag" command + # line option must be used. + if test -z "$tagname"; then + func_echo "unable to infer tagged configuration" + func_fatal_error "specify a tag with '--tag'" +# else +# func_verbose "using $tagname tagged configuration" + fi + ;; + esac + fi +} + + + +# func_write_libtool_object output_name pic_name nonpic_name +# Create a libtool object file (analogous to a ".la" file), +# but don't create it if we're doing a dry run. +func_write_libtool_object () +{ + write_libobj=$1 + if test yes = "$build_libtool_libs"; then + write_lobj=\'$2\' + else + write_lobj=none + fi + + if test yes = "$build_old_libs"; then + write_oldobj=\'$3\' + else + write_oldobj=none + fi + + $opt_dry_run || { + cat >${write_libobj}T </dev/null` + if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then + func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | + $SED -e "$sed_naive_backslashify"` + else + func_convert_core_file_wine_to_w32_result= + fi + fi +} +# end: func_convert_core_file_wine_to_w32 + + +# func_convert_core_path_wine_to_w32 ARG +# Helper function used by path conversion functions when $build is *nix, and +# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly +# configured wine environment available, with the winepath program in $build's +# $PATH. Assumes ARG has no leading or trailing path separator characters. +# +# ARG is path to be converted from $build format to win32. +# Result is available in $func_convert_core_path_wine_to_w32_result. +# Unconvertible file (directory) names in ARG are skipped; if no directory names +# are convertible, then the result may be empty. +func_convert_core_path_wine_to_w32 () +{ + $debug_cmd + + # unfortunately, winepath doesn't convert paths, only file names + func_convert_core_path_wine_to_w32_result= + if test -n "$1"; then + oldIFS=$IFS + IFS=: + for func_convert_core_path_wine_to_w32_f in $1; do + IFS=$oldIFS + func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" + if test -n "$func_convert_core_file_wine_to_w32_result"; then + if test -z "$func_convert_core_path_wine_to_w32_result"; then + func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result + else + func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" + fi + fi + done + IFS=$oldIFS + fi +} +# end: func_convert_core_path_wine_to_w32 + + +# func_cygpath ARGS... +# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when +# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) +# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or +# (2), returns the Cygwin file name or path in func_cygpath_result (input +# file name or path is assumed to be in w32 format, as previously converted +# from $build's *nix or MSYS format). In case (3), returns the w32 file name +# or path in func_cygpath_result (input file name or path is assumed to be in +# Cygwin format). Returns an empty string on error. +# +# ARGS are passed to cygpath, with the last one being the file name or path to +# be converted. +# +# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH +# environment variable; do not put it in $PATH. +func_cygpath () +{ + $debug_cmd + + if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then + func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` + if test "$?" -ne 0; then + # on failure, ensure result is empty + func_cygpath_result= + fi + else + func_cygpath_result= + func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" + fi +} +#end: func_cygpath + + +# func_convert_core_msys_to_w32 ARG +# Convert file name or path ARG from MSYS format to w32 format. Return +# result in func_convert_core_msys_to_w32_result. +func_convert_core_msys_to_w32 () +{ + $debug_cmd + + # awkward: cmd appends spaces to result + func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | + $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` +} +#end: func_convert_core_msys_to_w32 + + +# func_convert_file_check ARG1 ARG2 +# Verify that ARG1 (a file name in $build format) was converted to $host +# format in ARG2. Otherwise, emit an error message, but continue (resetting +# func_to_host_file_result to ARG1). +func_convert_file_check () +{ + $debug_cmd + + if test -z "$2" && test -n "$1"; then + func_error "Could not determine host file name corresponding to" + func_error " '$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback: + func_to_host_file_result=$1 + fi +} +# end func_convert_file_check + + +# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH +# Verify that FROM_PATH (a path in $build format) was converted to $host +# format in TO_PATH. Otherwise, emit an error message, but continue, resetting +# func_to_host_file_result to a simplistic fallback value (see below). +func_convert_path_check () +{ + $debug_cmd + + if test -z "$4" && test -n "$3"; then + func_error "Could not determine the host path corresponding to" + func_error " '$3'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback. This is a deliberately simplistic "conversion" and + # should not be "improved". See libtool.info. + if test "x$1" != "x$2"; then + lt_replace_pathsep_chars="s|$1|$2|g" + func_to_host_path_result=`echo "$3" | + $SED -e "$lt_replace_pathsep_chars"` + else + func_to_host_path_result=$3 + fi + fi +} +# end func_convert_path_check + + +# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG +# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT +# and appending REPL if ORIG matches BACKPAT. +func_convert_path_front_back_pathsep () +{ + $debug_cmd + + case $4 in + $1 ) func_to_host_path_result=$3$func_to_host_path_result + ;; + esac + case $4 in + $2 ) func_append func_to_host_path_result "$3" + ;; + esac +} +# end func_convert_path_front_back_pathsep + + +################################################## +# $build to $host FILE NAME CONVERSION FUNCTIONS # +################################################## +# invoked via '$to_host_file_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# Result will be available in $func_to_host_file_result. + + +# func_to_host_file ARG +# Converts the file name ARG from $build format to $host format. Return result +# in func_to_host_file_result. +func_to_host_file () +{ + $debug_cmd + + $to_host_file_cmd "$1" +} +# end func_to_host_file + + +# func_to_tool_file ARG LAZY +# converts the file name ARG from $build format to toolchain format. Return +# result in func_to_tool_file_result. If the conversion in use is listed +# in (the comma separated) LAZY, no conversion takes place. +func_to_tool_file () +{ + $debug_cmd + + case ,$2, in + *,"$to_tool_file_cmd",*) + func_to_tool_file_result=$1 + ;; + *) + $to_tool_file_cmd "$1" + func_to_tool_file_result=$func_to_host_file_result + ;; + esac +} +# end func_to_tool_file + + +# func_convert_file_noop ARG +# Copy ARG to func_to_host_file_result. +func_convert_file_noop () +{ + func_to_host_file_result=$1 +} +# end func_convert_file_noop + + +# func_convert_file_msys_to_w32 ARG +# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_file_result. +func_convert_file_msys_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_to_host_file_result=$func_convert_core_msys_to_w32_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_w32 + + +# func_convert_file_cygwin_to_w32 ARG +# Convert file name ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_file_cygwin_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + # because $build is cygwin, we call "the" cygpath in $PATH; no need to use + # LT_CYGPATH in this case. + func_to_host_file_result=`cygpath -m "$1"` + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_cygwin_to_w32 + + +# func_convert_file_nix_to_w32 ARG +# Convert file name ARG from *nix to w32 format. Requires a wine environment +# and a working winepath. Returns result in func_to_host_file_result. +func_convert_file_nix_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_file_wine_to_w32 "$1" + func_to_host_file_result=$func_convert_core_file_wine_to_w32_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_w32 + + +# func_convert_file_msys_to_cygwin ARG +# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_file_msys_to_cygwin () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_cygpath -u "$func_convert_core_msys_to_w32_result" + func_to_host_file_result=$func_cygpath_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_cygwin + + +# func_convert_file_nix_to_cygwin ARG +# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed +# in a wine environment, working winepath, and LT_CYGPATH set. Returns result +# in func_to_host_file_result. +func_convert_file_nix_to_cygwin () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. + func_convert_core_file_wine_to_w32 "$1" + func_cygpath -u "$func_convert_core_file_wine_to_w32_result" + func_to_host_file_result=$func_cygpath_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_cygwin + + +############################################# +# $build to $host PATH CONVERSION FUNCTIONS # +############################################# +# invoked via '$to_host_path_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# The result will be available in $func_to_host_path_result. +# +# Path separators are also converted from $build format to $host format. If +# ARG begins or ends with a path separator character, it is preserved (but +# converted to $host format) on output. +# +# All path conversion functions are named using the following convention: +# file name conversion function : func_convert_file_X_to_Y () +# path conversion function : func_convert_path_X_to_Y () +# where, for any given $build/$host combination the 'X_to_Y' value is the +# same. If conversion functions are added for new $build/$host combinations, +# the two new functions must follow this pattern, or func_init_to_host_path_cmd +# will break. + + +# func_init_to_host_path_cmd +# Ensures that function "pointer" variable $to_host_path_cmd is set to the +# appropriate value, based on the value of $to_host_file_cmd. +to_host_path_cmd= +func_init_to_host_path_cmd () +{ + $debug_cmd + + if test -z "$to_host_path_cmd"; then + func_stripname 'func_convert_file_' '' "$to_host_file_cmd" + to_host_path_cmd=func_convert_path_$func_stripname_result + fi +} + + +# func_to_host_path ARG +# Converts the path ARG from $build format to $host format. Return result +# in func_to_host_path_result. +func_to_host_path () +{ + $debug_cmd + + func_init_to_host_path_cmd + $to_host_path_cmd "$1" +} +# end func_to_host_path + + +# func_convert_path_noop ARG +# Copy ARG to func_to_host_path_result. +func_convert_path_noop () +{ + func_to_host_path_result=$1 +} +# end func_convert_path_noop + + +# func_convert_path_msys_to_w32 ARG +# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_path_result. +func_convert_path_msys_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # Remove leading and trailing path separator characters from ARG. MSYS + # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; + # and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result=$func_convert_core_msys_to_w32_result + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_msys_to_w32 + + +# func_convert_path_cygwin_to_w32 ARG +# Convert path ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_path_cygwin_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_cygwin_to_w32 + + +# func_convert_path_nix_to_w32 ARG +# Convert path ARG from *nix to w32 format. Requires a wine environment and +# a working winepath. Returns result in func_to_host_file_result. +func_convert_path_nix_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result=$func_convert_core_path_wine_to_w32_result + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_nix_to_w32 + + +# func_convert_path_msys_to_cygwin ARG +# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_path_msys_to_cygwin () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_msys_to_w32_result" + func_to_host_path_result=$func_cygpath_result + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_msys_to_cygwin + + +# func_convert_path_nix_to_cygwin ARG +# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a +# a wine environment, working winepath, and LT_CYGPATH set. Returns result in +# func_to_host_file_result. +func_convert_path_nix_to_cygwin () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # Remove leading and trailing path separator characters from + # ARG. msys behavior is inconsistent here, cygpath turns them + # into '.;' and ';.', and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" + func_to_host_path_result=$func_cygpath_result + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_nix_to_cygwin + + +# func_dll_def_p FILE +# True iff FILE is a Windows DLL '.def' file. +# Keep in sync with _LT_DLL_DEF_P in libtool.m4 +func_dll_def_p () +{ + $debug_cmd + + func_dll_def_p_tmp=`$SED -n \ + -e 's/^[ ]*//' \ + -e '/^\(;.*\)*$/d' \ + -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ + -e q \ + "$1"` + test DEF = "$func_dll_def_p_tmp" +} + + +# func_mode_compile arg... +func_mode_compile () +{ + $debug_cmd + + # Get the compilation command and the source file. + base_compile= + srcfile=$nonopt # always keep a non-empty value in "srcfile" + suppress_opt=yes + suppress_output= + arg_mode=normal + libobj= + later= + pie_flag= + + for arg + do + case $arg_mode in + arg ) + # do not "continue". Instead, add this to base_compile + lastarg=$arg + arg_mode=normal + ;; + + target ) + libobj=$arg + arg_mode=normal + continue + ;; + + normal ) + # Accept any command-line options. + case $arg in + -o) + test -n "$libobj" && \ + func_fatal_error "you cannot specify '-o' more than once" + arg_mode=target + continue + ;; + + -pie | -fpie | -fPIE) + func_append pie_flag " $arg" + continue + ;; + + -shared | -static | -prefer-pic | -prefer-non-pic) + func_append later " $arg" + continue + ;; + + -no-suppress) + suppress_opt=no + continue + ;; + + -Xcompiler) + arg_mode=arg # the next one goes into the "base_compile" arg list + continue # The current "srcfile" will either be retained or + ;; # replaced later. I would guess that would be a bug. + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + lastarg= + save_ifs=$IFS; IFS=, + for arg in $args; do + IFS=$save_ifs + func_append_quoted lastarg "$arg" + done + IFS=$save_ifs + func_stripname ' ' '' "$lastarg" + lastarg=$func_stripname_result + + # Add the arguments to base_compile. + func_append base_compile " $lastarg" + continue + ;; + + *) + # Accept the current argument as the source file. + # The previous "srcfile" becomes the current argument. + # + lastarg=$srcfile + srcfile=$arg + ;; + esac # case $arg + ;; + esac # case $arg_mode + + # Aesthetically quote the previous argument. + func_append_quoted base_compile "$lastarg" + done # for arg + + case $arg_mode in + arg) + func_fatal_error "you must specify an argument for -Xcompile" + ;; + target) + func_fatal_error "you must specify a target with '-o'" + ;; + *) + # Get the name of the library object. + test -z "$libobj" && { + func_basename "$srcfile" + libobj=$func_basename_result + } + ;; + esac + + # Recognize several different file suffixes. + # If the user specifies -o file.o, it is replaced with file.lo + case $libobj in + *.[cCFSifmso] | \ + *.ada | *.adb | *.ads | *.asm | \ + *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ + *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) + func_xform "$libobj" + libobj=$func_xform_result + ;; + esac + + case $libobj in + *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; + *) + func_fatal_error "cannot determine name of library object from '$libobj'" + ;; + esac + + func_infer_tag $base_compile + + for arg in $later; do + case $arg in + -shared) + test yes = "$build_libtool_libs" \ + || func_fatal_configuration "cannot build a shared library" + build_old_libs=no + continue + ;; + + -static) + build_libtool_libs=no + build_old_libs=yes + continue + ;; + + -prefer-pic) + pic_mode=yes + continue + ;; + + -prefer-non-pic) + pic_mode=no + continue + ;; + esac + done + + func_quote_for_eval "$libobj" + test "X$libobj" != "X$func_quote_for_eval_result" \ + && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ + && func_warning "libobj name '$libobj' may not contain shell special characters." + func_dirname_and_basename "$obj" "/" "" + objname=$func_basename_result + xdir=$func_dirname_result + lobj=$xdir$objdir/$objname + + test -z "$base_compile" && \ + func_fatal_help "you must specify a compilation command" + + # Delete any leftover library objects. + if test yes = "$build_old_libs"; then + removelist="$obj $lobj $libobj ${libobj}T" + else + removelist="$lobj $libobj ${libobj}T" + fi + + # On Cygwin there's no "real" PIC flag so we must build both object types + case $host_os in + cygwin* | mingw* | pw32* | os2* | cegcc*) + pic_mode=default + ;; + esac + if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then + # non-PIC code in shared libraries is not supported + pic_mode=default + fi + + # Calculate the filename of the output object if compiler does + # not support -o with -c + if test no = "$compiler_c_o"; then + output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext + lockfile=$output_obj.lock + else + output_obj= + need_locks=no + lockfile= + fi + + # Lock this critical section if it is needed + # We use this script file to make the link, it avoids creating a new file + if test yes = "$need_locks"; then + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + elif test warn = "$need_locks"; then + if test -f "$lockfile"; then + $ECHO "\ +*** ERROR, $lockfile exists and contains: +`cat $lockfile 2>/dev/null` + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + func_append removelist " $output_obj" + $ECHO "$srcfile" > "$lockfile" + fi + + $opt_dry_run || $RM $removelist + func_append removelist " $lockfile" + trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 + + func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 + srcfile=$func_to_tool_file_result + func_quote_for_eval "$srcfile" + qsrcfile=$func_quote_for_eval_result + + # Only build a PIC object if we are building libtool libraries. + if test yes = "$build_libtool_libs"; then + # Without this assignment, base_compile gets emptied. + fbsd_hideous_sh_bug=$base_compile + + if test no != "$pic_mode"; then + command="$base_compile $qsrcfile $pic_flag" + else + # Don't build PIC code + command="$base_compile $qsrcfile" + fi + + func_mkdir_p "$xdir$objdir" + + if test -z "$output_obj"; then + # Place PIC objects in $objdir + func_append command " -o $lobj" + fi + + func_show_eval_locale "$command" \ + 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' + + if test warn = "$need_locks" && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed, then go on to compile the next one + if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then + func_show_eval '$MV "$output_obj" "$lobj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + + # Allow error messages only from the first compilation. + if test yes = "$suppress_opt"; then + suppress_output=' >/dev/null 2>&1' + fi + fi + + # Only build a position-dependent object if we build old libraries. + if test yes = "$build_old_libs"; then + if test yes != "$pic_mode"; then + # Don't build PIC code + command="$base_compile $qsrcfile$pie_flag" + else + command="$base_compile $qsrcfile $pic_flag" + fi + if test yes = "$compiler_c_o"; then + func_append command " -o $obj" + fi + + # Suppress compiler output if we already did a PIC compilation. + func_append command "$suppress_output" + func_show_eval_locale "$command" \ + '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' + + if test warn = "$need_locks" && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed + if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then + func_show_eval '$MV "$output_obj" "$obj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + fi + + $opt_dry_run || { + func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" + + # Unlock the critical section if it was locked + if test no != "$need_locks"; then + removelist=$lockfile + $RM "$lockfile" + fi + } + + exit $EXIT_SUCCESS +} + +$opt_help || { + test compile = "$opt_mode" && func_mode_compile ${1+"$@"} +} + +func_mode_help () +{ + # We need to display help for each of the modes. + case $opt_mode in + "") + # Generic help is extracted from the usage comments + # at the start of this file. + func_help + ;; + + clean) + $ECHO \ +"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... + +Remove files from the build directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed +to RM. + +If FILE is a libtool library, object or program, all the files associated +with it are deleted. Otherwise, only FILE itself is deleted using RM." + ;; + + compile) + $ECHO \ +"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE + +Compile a source file into a libtool library object. + +This mode accepts the following additional options: + + -o OUTPUT-FILE set the output file name to OUTPUT-FILE + -no-suppress do not suppress compiler output for multiple passes + -prefer-pic try to build PIC objects only + -prefer-non-pic try to build non-PIC objects only + -shared do not build a '.o' file suitable for static linking + -static only build a '.o' file suitable for static linking + -Wc,FLAG pass FLAG directly to the compiler + +COMPILE-COMMAND is a command to be used in creating a 'standard' object file +from the given SOURCEFILE. + +The output file name is determined by removing the directory component from +SOURCEFILE, then substituting the C source code suffix '.c' with the +library object suffix, '.lo'." + ;; + + execute) + $ECHO \ +"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... + +Automatically set library path, then run a program. + +This mode accepts the following additional options: + + -dlopen FILE add the directory containing FILE to the library path + +This mode sets the library path environment variable according to '-dlopen' +flags. + +If any of the ARGS are libtool executable wrappers, then they are translated +into their corresponding uninstalled binary, and any of their required library +directories are added to the library path. + +Then, COMMAND is executed, with ARGS as arguments." + ;; + + finish) + $ECHO \ +"Usage: $progname [OPTION]... --mode=finish [LIBDIR]... + +Complete the installation of libtool libraries. + +Each LIBDIR is a directory that contains libtool libraries. + +The commands that this mode executes may require superuser privileges. Use +the '--dry-run' option if you just want to see what would be executed." + ;; + + install) + $ECHO \ +"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... + +Install executables or libraries. + +INSTALL-COMMAND is the installation command. The first component should be +either the 'install' or 'cp' program. + +The following components of INSTALL-COMMAND are treated specially: + + -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation + +The rest of the components are interpreted as arguments to that command (only +BSD-compatible install options are recognized)." + ;; + + link) + $ECHO \ +"Usage: $progname [OPTION]... --mode=link LINK-COMMAND... + +Link object files or libraries together to form another library, or to +create an executable program. + +LINK-COMMAND is a command using the C compiler that you would use to create +a program from several object files. + +The following components of LINK-COMMAND are treated specially: + + -all-static do not do any dynamic linking at all + -avoid-version do not add a version suffix if possible + -bindir BINDIR specify path to binaries directory (for systems where + libraries must be found in the PATH setting at runtime) + -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime + -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols + -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) + -export-symbols SYMFILE + try to export only the symbols listed in SYMFILE + -export-symbols-regex REGEX + try to export only the symbols matching REGEX + -LLIBDIR search LIBDIR for required installed libraries + -lNAME OUTPUT-FILE requires the installed library libNAME + -module build a library that can dlopened + -no-fast-install disable the fast-install mode + -no-install link a not-installable executable + -no-undefined declare that a library does not refer to external symbols + -o OUTPUT-FILE create OUTPUT-FILE from the specified objects + -objectlist FILE use a list of object files found in FILE to specify objects + -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) + -precious-files-regex REGEX + don't remove output files matching REGEX + -release RELEASE specify package release information + -rpath LIBDIR the created library will eventually be installed in LIBDIR + -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries + -shared only do dynamic linking of libtool libraries + -shrext SUFFIX override the standard shared library file extension + -static do not do any dynamic linking of uninstalled libtool libraries + -static-libtool-libs + do not do any dynamic linking of libtool libraries + -version-info CURRENT[:REVISION[:AGE]] + specify library version info [each variable defaults to 0] + -weak LIBNAME declare that the target provides the LIBNAME interface + -Wc,FLAG + -Xcompiler FLAG pass linker-specific FLAG directly to the compiler + -Wl,FLAG + -Xlinker FLAG pass linker-specific FLAG directly to the linker + -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) + +All other options (arguments beginning with '-') are ignored. + +Every other argument is treated as a filename. Files ending in '.la' are +treated as uninstalled libtool libraries, other files are standard or library +object files. + +If the OUTPUT-FILE ends in '.la', then a libtool library is created, +only library objects ('.lo' files) may be specified, and '-rpath' is +required, except when creating a convenience library. + +If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created +using 'ar' and 'ranlib', or on Windows using 'lib'. + +If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file +is created, otherwise an executable program is created." + ;; + + uninstall) + $ECHO \ +"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... + +Remove libraries from an installation directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed +to RM. + +If FILE is a libtool library, all the files associated with it are deleted. +Otherwise, only FILE itself is deleted using RM." + ;; + + *) + func_fatal_help "invalid operation mode '$opt_mode'" + ;; + esac + + echo + $ECHO "Try '$progname --help' for more information about other modes." +} + +# Now that we've collected a possible --mode arg, show help if necessary +if $opt_help; then + if test : = "$opt_help"; then + func_mode_help + else + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + func_mode_help + done + } | $SED -n '1p; 2,$s/^Usage:/ or: /p' + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + echo + func_mode_help + done + } | + $SED '1d + /^When reporting/,/^Report/{ + H + d + } + $x + /information about other modes/d + /more detailed .*MODE/d + s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' + fi + exit $? +fi + + +# func_mode_execute arg... +func_mode_execute () +{ + $debug_cmd + + # The first argument is the command name. + cmd=$nonopt + test -z "$cmd" && \ + func_fatal_help "you must specify a COMMAND" + + # Handle -dlopen flags immediately. + for file in $opt_dlopen; do + test -f "$file" \ + || func_fatal_help "'$file' is not a file" + + dir= + case $file in + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "'$lib' is not a valid libtool archive" + + # Read the libtool library. + dlname= + library_names= + func_source "$file" + + # Skip this library if it cannot be dlopened. + if test -z "$dlname"; then + # Warn if it was a shared library. + test -n "$library_names" && \ + func_warning "'$file' was not linked with '-export-dynamic'" + continue + fi + + func_dirname "$file" "" "." + dir=$func_dirname_result + + if test -f "$dir/$objdir/$dlname"; then + func_append dir "/$objdir" + else + if test ! -f "$dir/$dlname"; then + func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" + fi + fi + ;; + + *.lo) + # Just add the directory containing the .lo file. + func_dirname "$file" "" "." + dir=$func_dirname_result + ;; + + *) + func_warning "'-dlopen' is ignored for non-libtool libraries and objects" + continue + ;; + esac + + # Get the absolute pathname. + absdir=`cd "$dir" && pwd` + test -n "$absdir" && dir=$absdir + + # Now add the directory to shlibpath_var. + if eval "test -z \"\$$shlibpath_var\""; then + eval "$shlibpath_var=\"\$dir\"" + else + eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" + fi + done + + # This variable tells wrapper scripts just to set shlibpath_var + # rather than running their programs. + libtool_execute_magic=$magic + + # Check if any of the arguments is a wrapper script. + args= + for file + do + case $file in + -* | *.la | *.lo ) ;; + *) + # Do a test to see if this is really a libtool program. + if func_ltwrapper_script_p "$file"; then + func_source "$file" + # Transform arg to wrapped name. + file=$progdir/$program + elif func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + func_source "$func_ltwrapper_scriptname_result" + # Transform arg to wrapped name. + file=$progdir/$program + fi + ;; + esac + # Quote arguments (to preserve shell metacharacters). + func_append_quoted args "$file" + done + + if $opt_dry_run; then + # Display what would be done. + if test -n "$shlibpath_var"; then + eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" + echo "export $shlibpath_var" + fi + $ECHO "$cmd$args" + exit $EXIT_SUCCESS + else + if test -n "$shlibpath_var"; then + # Export the shlibpath_var. + eval "export $shlibpath_var" + fi + + # Restore saved environment variables + for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES + do + eval "if test \"\${save_$lt_var+set}\" = set; then + $lt_var=\$save_$lt_var; export $lt_var + else + $lt_unset $lt_var + fi" + done + + # Now prepare to actually exec the command. + exec_cmd=\$cmd$args + fi +} + +test execute = "$opt_mode" && func_mode_execute ${1+"$@"} + + +# func_mode_finish arg... +func_mode_finish () +{ + $debug_cmd + + libs= + libdirs= + admincmds= + + for opt in "$nonopt" ${1+"$@"} + do + if test -d "$opt"; then + func_append libdirs " $opt" + + elif test -f "$opt"; then + if func_lalib_unsafe_p "$opt"; then + func_append libs " $opt" + else + func_warning "'$opt' is not a valid libtool archive" + fi + + else + func_fatal_error "invalid argument '$opt'" + fi + done + + if test -n "$libs"; then + if test -n "$lt_sysroot"; then + sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` + sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" + else + sysroot_cmd= + fi + + # Remove sysroot references + if $opt_dry_run; then + for lib in $libs; do + echo "removing references to $lt_sysroot and '=' prefixes from $lib" + done + else + tmpdir=`func_mktempdir` + for lib in $libs; do + $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ + > $tmpdir/tmp-la + mv -f $tmpdir/tmp-la $lib + done + ${RM}r "$tmpdir" + fi + fi + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + for libdir in $libdirs; do + if test -n "$finish_cmds"; then + # Do each command in the finish commands. + func_execute_cmds "$finish_cmds" 'admincmds="$admincmds +'"$cmd"'"' + fi + if test -n "$finish_eval"; then + # Do the single finish_eval. + eval cmds=\"$finish_eval\" + $opt_dry_run || eval "$cmds" || func_append admincmds " + $cmds" + fi + done + fi + + # Exit here if they wanted silent mode. + $opt_quiet && exit $EXIT_SUCCESS + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + echo "----------------------------------------------------------------------" + echo "Libraries have been installed in:" + for libdir in $libdirs; do + $ECHO " $libdir" + done + echo + echo "If you ever happen to want to link against installed libraries" + echo "in a given directory, LIBDIR, you must either use libtool, and" + echo "specify the full pathname of the library, or use the '-LLIBDIR'" + echo "flag during linking and do at least one of the following:" + if test -n "$shlibpath_var"; then + echo " - add LIBDIR to the '$shlibpath_var' environment variable" + echo " during execution" + fi + if test -n "$runpath_var"; then + echo " - add LIBDIR to the '$runpath_var' environment variable" + echo " during linking" + fi + if test -n "$hardcode_libdir_flag_spec"; then + libdir=LIBDIR + eval flag=\"$hardcode_libdir_flag_spec\" + + $ECHO " - use the '$flag' linker flag" + fi + if test -n "$admincmds"; then + $ECHO " - have your system administrator run these commands:$admincmds" + fi + if test -f /etc/ld.so.conf; then + echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" + fi + echo + + echo "See any operating system documentation about shared libraries for" + case $host in + solaris2.[6789]|solaris2.1[0-9]) + echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" + echo "pages." + ;; + *) + echo "more information, such as the ld(1) and ld.so(8) manual pages." + ;; + esac + echo "----------------------------------------------------------------------" + fi + exit $EXIT_SUCCESS +} + +test finish = "$opt_mode" && func_mode_finish ${1+"$@"} + + +# func_mode_install arg... +func_mode_install () +{ + $debug_cmd + + # There may be an optional sh(1) argument at the beginning of + # install_prog (especially on Windows NT). + if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || + # Allow the use of GNU shtool's install command. + case $nonopt in *shtool*) :;; *) false;; esac + then + # Aesthetically quote it. + func_quote_for_eval "$nonopt" + install_prog="$func_quote_for_eval_result " + arg=$1 + shift + else + install_prog= + arg=$nonopt + fi + + # The real first argument should be the name of the installation program. + # Aesthetically quote it. + func_quote_for_eval "$arg" + func_append install_prog "$func_quote_for_eval_result" + install_shared_prog=$install_prog + case " $install_prog " in + *[\\\ /]cp\ *) install_cp=: ;; + *) install_cp=false ;; + esac + + # We need to accept at least all the BSD install flags. + dest= + files= + opts= + prev= + install_type= + isdir=false + stripme= + no_mode=: + for arg + do + arg2= + if test -n "$dest"; then + func_append files " $dest" + dest=$arg + continue + fi + + case $arg in + -d) isdir=: ;; + -f) + if $install_cp; then :; else + prev=$arg + fi + ;; + -g | -m | -o) + prev=$arg + ;; + -s) + stripme=" -s" + continue + ;; + -*) + ;; + *) + # If the previous option needed an argument, then skip it. + if test -n "$prev"; then + if test X-m = "X$prev" && test -n "$install_override_mode"; then + arg2=$install_override_mode + no_mode=false + fi + prev= + else + dest=$arg + continue + fi + ;; + esac + + # Aesthetically quote the argument. + func_quote_for_eval "$arg" + func_append install_prog " $func_quote_for_eval_result" + if test -n "$arg2"; then + func_quote_for_eval "$arg2" + fi + func_append install_shared_prog " $func_quote_for_eval_result" + done + + test -z "$install_prog" && \ + func_fatal_help "you must specify an install program" + + test -n "$prev" && \ + func_fatal_help "the '$prev' option requires an argument" + + if test -n "$install_override_mode" && $no_mode; then + if $install_cp; then :; else + func_quote_for_eval "$install_override_mode" + func_append install_shared_prog " -m $func_quote_for_eval_result" + fi + fi + + if test -z "$files"; then + if test -z "$dest"; then + func_fatal_help "no file or destination specified" + else + func_fatal_help "you must specify a destination" + fi + fi + + # Strip any trailing slash from the destination. + func_stripname '' '/' "$dest" + dest=$func_stripname_result + + # Check to see that the destination is a directory. + test -d "$dest" && isdir=: + if $isdir; then + destdir=$dest + destname= + else + func_dirname_and_basename "$dest" "" "." + destdir=$func_dirname_result + destname=$func_basename_result + + # Not a directory, so check to see that there is only one file specified. + set dummy $files; shift + test "$#" -gt 1 && \ + func_fatal_help "'$dest' is not a directory" + fi + case $destdir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + for file in $files; do + case $file in + *.lo) ;; + *) + func_fatal_help "'$destdir' must be an absolute directory name" + ;; + esac + done + ;; + esac + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic=$magic + + staticlibs= + future_libdirs= + current_libdirs= + for file in $files; do + + # Do each installation. + case $file in + *.$libext) + # Do the static libraries later. + func_append staticlibs " $file" + ;; + + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "'$file' is not a valid libtool archive" + + library_names= + old_library= + relink_command= + func_source "$file" + + # Add the libdir to current_libdirs if it is the destination. + if test "X$destdir" = "X$libdir"; then + case "$current_libdirs " in + *" $libdir "*) ;; + *) func_append current_libdirs " $libdir" ;; + esac + else + # Note the libdir as a future libdir. + case "$future_libdirs " in + *" $libdir "*) ;; + *) func_append future_libdirs " $libdir" ;; + esac + fi + + func_dirname "$file" "/" "" + dir=$func_dirname_result + func_append dir "$objdir" + + if test -n "$relink_command"; then + # Determine the prefix the user has applied to our future dir. + inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` + + # Don't allow the user to place us outside of our expected + # location b/c this prevents finding dependent libraries that + # are installed to the same prefix. + # At present, this check doesn't affect windows .dll's that + # are installed into $libdir/../bin (currently, that works fine) + # but it's something to keep an eye on. + test "$inst_prefix_dir" = "$destdir" && \ + func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" + + if test -n "$inst_prefix_dir"; then + # Stick the inst_prefix_dir data into the link command. + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` + else + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` + fi + + func_warning "relinking '$file'" + func_show_eval "$relink_command" \ + 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' + fi + + # See the names of the shared library. + set dummy $library_names; shift + if test -n "$1"; then + realname=$1 + shift + + srcname=$realname + test -n "$relink_command" && srcname=${realname}T + + # Install the shared library and build the symlinks. + func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ + 'exit $?' + tstripme=$stripme + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + case $realname in + *.dll.a) + tstripme= + ;; + esac + ;; + os2*) + case $realname in + *_dll.a) + tstripme= + ;; + esac + ;; + esac + if test -n "$tstripme" && test -n "$striplib"; then + func_show_eval "$striplib $destdir/$realname" 'exit $?' + fi + + if test "$#" -gt 0; then + # Delete the old symlinks, and create new ones. + # Try 'ln -sf' first, because the 'ln' binary might depend on + # the symlink we replace! Solaris /bin/ln does not understand -f, + # so we also need to try rm && ln -s. + for linkname + do + test "$linkname" != "$realname" \ + && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" + done + fi + + # Do each command in the postinstall commands. + lib=$destdir/$realname + func_execute_cmds "$postinstall_cmds" 'exit $?' + fi + + # Install the pseudo-library for information purposes. + func_basename "$file" + name=$func_basename_result + instname=$dir/${name}i + func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' + + # Maybe install the static library, too. + test -n "$old_library" && func_append staticlibs " $dir/$old_library" + ;; + + *.lo) + # Install (i.e. copy) a libtool object. + + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile=$destdir/$destname + else + func_basename "$file" + destfile=$func_basename_result + destfile=$destdir/$destfile + fi + + # Deduce the name of the destination old-style object file. + case $destfile in + *.lo) + func_lo2o "$destfile" + staticdest=$func_lo2o_result + ;; + *.$objext) + staticdest=$destfile + destfile= + ;; + *) + func_fatal_help "cannot copy a libtool object to '$destfile'" + ;; + esac + + # Install the libtool object if requested. + test -n "$destfile" && \ + func_show_eval "$install_prog $file $destfile" 'exit $?' + + # Install the old object if enabled. + if test yes = "$build_old_libs"; then + # Deduce the name of the old-style object file. + func_lo2o "$file" + staticobj=$func_lo2o_result + func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' + fi + exit $EXIT_SUCCESS + ;; + + *) + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile=$destdir/$destname + else + func_basename "$file" + destfile=$func_basename_result + destfile=$destdir/$destfile + fi + + # If the file is missing, and there is a .exe on the end, strip it + # because it is most likely a libtool script we actually want to + # install + stripped_ext= + case $file in + *.exe) + if test ! -f "$file"; then + func_stripname '' '.exe' "$file" + file=$func_stripname_result + stripped_ext=.exe + fi + ;; + esac + + # Do a test to see if this is really a libtool program. + case $host in + *cygwin* | *mingw*) + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + wrapper=$func_ltwrapper_scriptname_result + else + func_stripname '' '.exe' "$file" + wrapper=$func_stripname_result + fi + ;; + *) + wrapper=$file + ;; + esac + if func_ltwrapper_script_p "$wrapper"; then + notinst_deplibs= + relink_command= + + func_source "$wrapper" + + # Check the variables that should have been set. + test -z "$generated_by_libtool_version" && \ + func_fatal_error "invalid libtool wrapper script '$wrapper'" + + finalize=: + for lib in $notinst_deplibs; do + # Check to see that each library is installed. + libdir= + if test -f "$lib"; then + func_source "$lib" + fi + libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` + if test -n "$libdir" && test ! -f "$libfile"; then + func_warning "'$lib' has not been installed in '$libdir'" + finalize=false + fi + done + + relink_command= + func_source "$wrapper" + + outputname= + if test no = "$fast_install" && test -n "$relink_command"; then + $opt_dry_run || { + if $finalize; then + tmpdir=`func_mktempdir` + func_basename "$file$stripped_ext" + file=$func_basename_result + outputname=$tmpdir/$file + # Replace the output file specification. + relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` + + $opt_quiet || { + func_quote_for_expand "$relink_command" + eval "func_echo $func_quote_for_expand_result" + } + if eval "$relink_command"; then : + else + func_error "error: relink '$file' with the above command before installing it" + $opt_dry_run || ${RM}r "$tmpdir" + continue + fi + file=$outputname + else + func_warning "cannot relink '$file'" + fi + } + else + # Install the binary that we compiled earlier. + file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` + fi + fi + + # remove .exe since cygwin /usr/bin/install will append another + # one anyway + case $install_prog,$host in + */usr/bin/install*,*cygwin*) + case $file:$destfile in + *.exe:*.exe) + # this is ok + ;; + *.exe:*) + destfile=$destfile.exe + ;; + *:*.exe) + func_stripname '' '.exe' "$destfile" + destfile=$func_stripname_result + ;; + esac + ;; + esac + func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' + $opt_dry_run || if test -n "$outputname"; then + ${RM}r "$tmpdir" + fi + ;; + esac + done + + for file in $staticlibs; do + func_basename "$file" + name=$func_basename_result + + # Set up the ranlib parameters. + oldlib=$destdir/$name + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + + func_show_eval "$install_prog \$file \$oldlib" 'exit $?' + + if test -n "$stripme" && test -n "$old_striplib"; then + func_show_eval "$old_striplib $tool_oldlib" 'exit $?' + fi + + # Do each command in the postinstall commands. + func_execute_cmds "$old_postinstall_cmds" 'exit $?' + done + + test -n "$future_libdirs" && \ + func_warning "remember to run '$progname --finish$future_libdirs'" + + if test -n "$current_libdirs"; then + # Maybe just do a dry run. + $opt_dry_run && current_libdirs=" -n$current_libdirs" + exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' + else + exit $EXIT_SUCCESS + fi +} + +test install = "$opt_mode" && func_mode_install ${1+"$@"} + + +# func_generate_dlsyms outputname originator pic_p +# Extract symbols from dlprefiles and create ${outputname}S.o with +# a dlpreopen symbol table. +func_generate_dlsyms () +{ + $debug_cmd + + my_outputname=$1 + my_originator=$2 + my_pic_p=${3-false} + my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` + my_dlsyms= + + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + if test -n "$NM" && test -n "$global_symbol_pipe"; then + my_dlsyms=${my_outputname}S.c + else + func_error "not configured to extract global symbols from dlpreopened files" + fi + fi + + if test -n "$my_dlsyms"; then + case $my_dlsyms in + "") ;; + *.c) + # Discover the nlist of each of the dlfiles. + nlist=$output_objdir/$my_outputname.nm + + func_show_eval "$RM $nlist ${nlist}S ${nlist}T" + + # Parse the name list into a source file. + func_verbose "creating $output_objdir/$my_dlsyms" + + $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ +/* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ +/* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ + +#ifdef __cplusplus +extern \"C\" { +#endif + +#if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#endif + +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) + +/* External symbol declarations for the compiler. */\ +" + + if test yes = "$dlself"; then + func_verbose "generating symbol list for '$output'" + + $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" + + # Add our own program objects to the symbol list. + progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` + for progfile in $progfiles; do + func_to_tool_file "$progfile" func_convert_file_msys_to_w32 + func_verbose "extracting global C symbols from '$func_to_tool_file_result'" + $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" + done + + if test -n "$exclude_expsyms"; then + $opt_dry_run || { + eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + if test -n "$export_symbols_regex"; then + $opt_dry_run || { + eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + export_symbols=$output_objdir/$outputname.exp + $opt_dry_run || { + $RM $export_symbols + eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' + ;; + esac + } + else + $opt_dry_run || { + eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' + eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' + ;; + esac + } + fi + fi + + for dlprefile in $dlprefiles; do + func_verbose "extracting global C symbols from '$dlprefile'" + func_basename "$dlprefile" + name=$func_basename_result + case $host in + *cygwin* | *mingw* | *cegcc* ) + # if an import library, we need to obtain dlname + if func_win32_import_lib_p "$dlprefile"; then + func_tr_sh "$dlprefile" + eval "curr_lafile=\$libfile_$func_tr_sh_result" + dlprefile_dlbasename= + if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then + # Use subshell, to avoid clobbering current variable values + dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` + if test -n "$dlprefile_dlname"; then + func_basename "$dlprefile_dlname" + dlprefile_dlbasename=$func_basename_result + else + # no lafile. user explicitly requested -dlpreopen . + $sharedlib_from_linklib_cmd "$dlprefile" + dlprefile_dlbasename=$sharedlib_from_linklib_result + fi + fi + $opt_dry_run || { + if test -n "$dlprefile_dlbasename"; then + eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' + else + func_warning "Could not compute DLL name from $name" + eval '$ECHO ": $name " >> "$nlist"' + fi + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | + $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" + } + else # not an import lib + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + fi + ;; + *) + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + ;; + esac + done + + $opt_dry_run || { + # Make sure we have at least an empty file. + test -f "$nlist" || : > "$nlist" + + if test -n "$exclude_expsyms"; then + $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T + $MV "$nlist"T "$nlist" + fi + + # Try sorting and uniquifying the output. + if $GREP -v "^: " < "$nlist" | + if sort -k 3 /dev/null 2>&1; then + sort -k 3 + else + sort +2 + fi | + uniq > "$nlist"S; then + : + else + $GREP -v "^: " < "$nlist" > "$nlist"S + fi + + if test -f "$nlist"S; then + eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' + else + echo '/* NONE */' >> "$output_objdir/$my_dlsyms" + fi + + func_show_eval '$RM "${nlist}I"' + if test -n "$global_symbol_to_import"; then + eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' + fi + + echo >> "$output_objdir/$my_dlsyms" "\ + +/* The mapping between symbol names and symbols. */ +typedef struct { + const char *name; + void *address; +} lt_dlsymlist; +extern LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[];\ +" + + if test -s "$nlist"I; then + echo >> "$output_objdir/$my_dlsyms" "\ +static void lt_syminit(void) +{ + LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; + for (; symbol->name; ++symbol) + {" + $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" + echo >> "$output_objdir/$my_dlsyms" "\ + } +}" + fi + echo >> "$output_objdir/$my_dlsyms" "\ +LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[] = +{ {\"$my_originator\", (void *) 0}," + + if test -s "$nlist"I; then + echo >> "$output_objdir/$my_dlsyms" "\ + {\"@INIT@\", (void *) <_syminit}," + fi + + case $need_lib_prefix in + no) + eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + *) + eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + esac + echo >> "$output_objdir/$my_dlsyms" "\ + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt_${my_prefix}_LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif\ +" + } # !$opt_dry_run + + pic_flag_for_symtable= + case "$compile_command " in + *" -static "*) ;; + *) + case $host in + # compiling the symbol table file with pic_flag works around + # a FreeBSD bug that causes programs to crash when -lm is + # linked before any other PIC object. But we must not use + # pic_flag when linking with -static. The problem exists in + # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. + *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) + pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; + *-*-hpux*) + pic_flag_for_symtable=" $pic_flag" ;; + *) + $my_pic_p && pic_flag_for_symtable=" $pic_flag" + ;; + esac + ;; + esac + symtab_cflags= + for arg in $LTCFLAGS; do + case $arg in + -pie | -fpie | -fPIE) ;; + *) func_append symtab_cflags " $arg" ;; + esac + done + + # Now compile the dynamic symbol file. + func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' + + # Clean up the generated files. + func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' + + # Transform the symbol file into the correct name. + symfileobj=$output_objdir/${my_outputname}S.$objext + case $host in + *cygwin* | *mingw* | *cegcc* ) + if test -f "$output_objdir/$my_outputname.def"; then + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + else + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + fi + ;; + *) + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + ;; + esac + ;; + *) + func_fatal_error "unknown suffix for '$my_dlsyms'" + ;; + esac + else + # We keep going just in case the user didn't refer to + # lt_preloaded_symbols. The linker will fail if global_symbol_pipe + # really was required. + + # Nullify the symbol file. + compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` + fi +} + +# func_cygming_gnu_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is a GNU/binutils-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_gnu_implib_p () +{ + $debug_cmd + + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` + test -n "$func_cygming_gnu_implib_tmp" +} + +# func_cygming_ms_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is an MS-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_ms_implib_p () +{ + $debug_cmd + + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` + test -n "$func_cygming_ms_implib_tmp" +} + +# func_win32_libid arg +# return the library type of file 'arg' +# +# Need a lot of goo to handle *both* DLLs and import libs +# Has to be a shell function in order to 'eat' the argument +# that is supplied when $file_magic_command is called. +# Despite the name, also deal with 64 bit binaries. +func_win32_libid () +{ + $debug_cmd + + win32_libid_type=unknown + win32_fileres=`file -L $1 2>/dev/null` + case $win32_fileres in + *ar\ archive\ import\ library*) # definitely import + win32_libid_type="x86 archive import" + ;; + *ar\ archive*) # could be an import, or static + # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. + if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | + $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then + case $nm_interface in + "MS dumpbin") + if func_cygming_ms_implib_p "$1" || + func_cygming_gnu_implib_p "$1" + then + win32_nmres=import + else + win32_nmres= + fi + ;; + *) + func_to_tool_file "$1" func_convert_file_msys_to_w32 + win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | + $SED -n -e ' + 1,100{ + / I /{ + s|.*|import| + p + q + } + }'` + ;; + esac + case $win32_nmres in + import*) win32_libid_type="x86 archive import";; + *) win32_libid_type="x86 archive static";; + esac + fi + ;; + *DLL*) + win32_libid_type="x86 DLL" + ;; + *executable*) # but shell scripts are "executable" too... + case $win32_fileres in + *MS\ Windows\ PE\ Intel*) + win32_libid_type="x86 DLL" + ;; + esac + ;; + esac + $ECHO "$win32_libid_type" +} + +# func_cygming_dll_for_implib ARG +# +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib () +{ + $debug_cmd + + sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` +} + +# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs +# +# The is the core of a fallback implementation of a +# platform-specific function to extract the name of the +# DLL associated with the specified import library LIBNAME. +# +# SECTION_NAME is either .idata$6 or .idata$7, depending +# on the platform and compiler that created the implib. +# +# Echos the name of the DLL associated with the +# specified import library. +func_cygming_dll_for_implib_fallback_core () +{ + $debug_cmd + + match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` + $OBJDUMP -s --section "$1" "$2" 2>/dev/null | + $SED '/^Contents of section '"$match_literal"':/{ + # Place marker at beginning of archive member dllname section + s/.*/====MARK====/ + p + d + } + # These lines can sometimes be longer than 43 characters, but + # are always uninteresting + /:[ ]*file format pe[i]\{,1\}-/d + /^In archive [^:]*:/d + # Ensure marker is printed + /^====MARK====/p + # Remove all lines with less than 43 characters + /^.\{43\}/!d + # From remaining lines, remove first 43 characters + s/^.\{43\}//' | + $SED -n ' + # Join marker and all lines until next marker into a single line + /^====MARK====/ b para + H + $ b para + b + :para + x + s/\n//g + # Remove the marker + s/^====MARK====// + # Remove trailing dots and whitespace + s/[\. \t]*$// + # Print + /./p' | + # we now have a list, one entry per line, of the stringified + # contents of the appropriate section of all members of the + # archive that possess that section. Heuristic: eliminate + # all those that have a first or second character that is + # a '.' (that is, objdump's representation of an unprintable + # character.) This should work for all archives with less than + # 0x302f exports -- but will fail for DLLs whose name actually + # begins with a literal '.' or a single character followed by + # a '.'. + # + # Of those that remain, print the first one. + $SED -e '/^\./d;/^.\./d;q' +} + +# func_cygming_dll_for_implib_fallback ARG +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# +# This fallback implementation is for use when $DLLTOOL +# does not support the --identify-strict option. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib_fallback () +{ + $debug_cmd + + if func_cygming_gnu_implib_p "$1"; then + # binutils import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` + elif func_cygming_ms_implib_p "$1"; then + # ms-generated import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` + else + # unknown + sharedlib_from_linklib_result= + fi +} + + +# func_extract_an_archive dir oldlib +func_extract_an_archive () +{ + $debug_cmd + + f_ex_an_ar_dir=$1; shift + f_ex_an_ar_oldlib=$1 + if test yes = "$lock_old_archive_extraction"; then + lockfile=$f_ex_an_ar_oldlib.lock + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + fi + func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ + 'stat=$?; rm -f "$lockfile"; exit $stat' + if test yes = "$lock_old_archive_extraction"; then + $opt_dry_run || rm -f "$lockfile" + fi + if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then + : + else + func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" + fi +} + + +# func_extract_archives gentop oldlib ... +func_extract_archives () +{ + $debug_cmd + + my_gentop=$1; shift + my_oldlibs=${1+"$@"} + my_oldobjs= + my_xlib= + my_xabs= + my_xdir= + + for my_xlib in $my_oldlibs; do + # Extract the objects. + case $my_xlib in + [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; + *) my_xabs=`pwd`"/$my_xlib" ;; + esac + func_basename "$my_xlib" + my_xlib=$func_basename_result + my_xlib_u=$my_xlib + while :; do + case " $extracted_archives " in + *" $my_xlib_u "*) + func_arith $extracted_serial + 1 + extracted_serial=$func_arith_result + my_xlib_u=lt$extracted_serial-$my_xlib ;; + *) break ;; + esac + done + extracted_archives="$extracted_archives $my_xlib_u" + my_xdir=$my_gentop/$my_xlib_u + + func_mkdir_p "$my_xdir" + + case $host in + *-darwin*) + func_verbose "Extracting $my_xabs" + # Do not bother doing anything if just a dry run + $opt_dry_run || { + darwin_orig_dir=`pwd` + cd $my_xdir || exit $? + darwin_archive=$my_xabs + darwin_curdir=`pwd` + func_basename "$darwin_archive" + darwin_base_archive=$func_basename_result + darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` + if test -n "$darwin_arches"; then + darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` + darwin_arch= + func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" + for darwin_arch in $darwin_arches; do + func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" + $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" + cd "unfat-$$/$darwin_base_archive-$darwin_arch" + func_extract_an_archive "`pwd`" "$darwin_base_archive" + cd "$darwin_curdir" + $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" + done # $darwin_arches + ## Okay now we've a bunch of thin objects, gotta fatten them up :) + darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` + darwin_file= + darwin_files= + for darwin_file in $darwin_filelist; do + darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` + $LIPO -create -output "$darwin_file" $darwin_files + done # $darwin_filelist + $RM -rf unfat-$$ + cd "$darwin_orig_dir" + else + cd $darwin_orig_dir + func_extract_an_archive "$my_xdir" "$my_xabs" + fi # $darwin_arches + } # !$opt_dry_run + ;; + *) + func_extract_an_archive "$my_xdir" "$my_xabs" + ;; + esac + my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` + done + + func_extract_archives_result=$my_oldobjs +} + + +# func_emit_wrapper [arg=no] +# +# Emit a libtool wrapper script on stdout. +# Don't directly open a file because we may want to +# incorporate the script contents within a cygwin/mingw +# wrapper executable. Must ONLY be called from within +# func_mode_link because it depends on a number of variables +# set therein. +# +# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR +# variable will take. If 'yes', then the emitted script +# will assume that the directory where it is stored is +# the $objdir directory. This is a cygwin/mingw-specific +# behavior. +func_emit_wrapper () +{ + func_emit_wrapper_arg1=${1-no} + + $ECHO "\ +#! $SHELL + +# $output - temporary wrapper script for $objdir/$outputname +# Generated by $PROGRAM (GNU $PACKAGE) $VERSION +# +# The $output program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='$sed_quote_subst' + +# Be Bourne compatible +if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=\"$relink_command\" + +# This environment variable determines our operation mode. +if test \"\$libtool_install_magic\" = \"$magic\"; then + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' + notinst_deplibs='$notinst_deplibs' +else + # When we are sourced in execute mode, \$file and \$ECHO are already set. + if test \"\$libtool_execute_magic\" != \"$magic\"; then + file=\"\$0\"" + + qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` + $ECHO "\ + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + ECHO=\"$qECHO\" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ that is used only on +# windows platforms, and (c) all begin with the string "--lt-" +# (application programs are unlikely to have options that match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's $0 value, followed by "$@". +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=\$0 + shift + for lt_opt + do + case \"\$lt_opt\" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` + test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. + lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` + cat \"\$lt_dump_D/\$lt_dump_F\" + exit 0 + ;; + --lt-*) + \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n \"\$lt_option_debug\"; then + echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" + lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ +" + case $host in + # Backslashes separate directories on plain windows + *-*-mingw | *-*-os2* | *-cegcc*) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} +" + ;; + + *) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir/\$program\" \${1+\"\$@\"} +" + ;; + esac + $ECHO "\ + \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from \$@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + case \" \$* \" in + *\\ --lt-*) + for lt_wr_arg + do + case \$lt_wr_arg in + --lt-*) ;; + *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; + esac + shift + done ;; + esac + func_exec_program_core \${1+\"\$@\"} +} + + # Parse options + func_parse_lt_options \"\$0\" \${1+\"\$@\"} + + # Find the directory that this script lives in. + thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` + test \"x\$thisdir\" = \"x\$file\" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` + while test -n \"\$file\"; do + destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` + + # If there was a directory component, then change thisdir. + if test \"x\$destdir\" != \"x\$file\"; then + case \"\$destdir\" in + [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; + *) thisdir=\"\$thisdir/\$destdir\" ;; + esac + fi + + file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` + file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 + if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then + # special case for '.' + if test \"\$thisdir\" = \".\"; then + thisdir=\`pwd\` + fi + # remove .libs from thisdir + case \"\$thisdir\" in + *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; + $objdir ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=\`cd \"\$thisdir\" && pwd\` + test -n \"\$absdir\" && thisdir=\"\$absdir\" +" + + if test yes = "$fast_install"; then + $ECHO "\ + program=lt-'$outputname'$exeext + progdir=\"\$thisdir/$objdir\" + + if test ! -f \"\$progdir/\$program\" || + { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ + test \"X\$file\" != \"X\$progdir/\$program\"; }; then + + file=\"\$\$-\$program\" + + if test ! -d \"\$progdir\"; then + $MKDIR \"\$progdir\" + else + $RM \"\$progdir/\$file\" + fi" + + $ECHO "\ + + # relink executable if necessary + if test -n \"\$relink_command\"; then + if relink_command_output=\`eval \$relink_command 2>&1\`; then : + else + \$ECHO \"\$relink_command_output\" >&2 + $RM \"\$progdir/\$file\" + exit 1 + fi + fi + + $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || + { $RM \"\$progdir/\$program\"; + $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } + $RM \"\$progdir/\$file\" + fi" + else + $ECHO "\ + program='$outputname' + progdir=\"\$thisdir/$objdir\" +" + fi + + $ECHO "\ + + if test -f \"\$progdir/\$program\"; then" + + # fixup the dll searchpath if we need to. + # + # Fix the DLL searchpath if we need to. Do this before prepending + # to shlibpath, because on Windows, both are PATH and uninstalled + # libraries must come first. + if test -n "$dllsearchpath"; then + $ECHO "\ + # Add the dll search path components to the executable PATH + PATH=$dllsearchpath:\$PATH +" + fi + + # Export our shlibpath_var if we have one. + if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then + $ECHO "\ + # Add our own library path to $shlibpath_var + $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" + + # Some systems cannot cope with colon-terminated $shlibpath_var + # The second colon is a workaround for a bug in BeOS R4 sed + $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` + + export $shlibpath_var +" + fi + + $ECHO "\ + if test \"\$libtool_execute_magic\" != \"$magic\"; then + # Run the actual program with our arguments. + func_exec_program \${1+\"\$@\"} + fi + else + # The program doesn't exist. + \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 + \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 + \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 + exit 1 + fi +fi\ +" +} + + +# func_emit_cwrapperexe_src +# emit the source code for a wrapper executable on stdout +# Must ONLY be called from within func_mode_link because +# it depends on a number of variable set therein. +func_emit_cwrapperexe_src () +{ + cat < +#include +#ifdef _MSC_VER +# include +# include +# include +#else +# include +# include +# ifdef __CYGWIN__ +# include +# endif +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) + +/* declarations of non-ANSI functions */ +#if defined __MINGW32__ +# ifdef __STRICT_ANSI__ +int _putenv (const char *); +# endif +#elif defined __CYGWIN__ +# ifdef __STRICT_ANSI__ +char *realpath (const char *, char *); +int putenv (char *); +int setenv (const char *, const char *, int); +# endif +/* #elif defined other_platform || defined ... */ +#endif + +/* portability defines, excluding path handling macros */ +#if defined _MSC_VER +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +# define S_IXUSR _S_IEXEC +#elif defined __MINGW32__ +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +#elif defined __CYGWIN__ +# define HAVE_SETENV +# define FOPEN_WB "wb" +/* #elif defined other platforms ... */ +#endif + +#if defined PATH_MAX +# define LT_PATHMAX PATH_MAX +#elif defined MAXPATHLEN +# define LT_PATHMAX MAXPATHLEN +#else +# define LT_PATHMAX 1024 +#endif + +#ifndef S_IXOTH +# define S_IXOTH 0 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0 +#endif + +/* path handling portability macros */ +#ifndef DIR_SEPARATOR +# define DIR_SEPARATOR '/' +# define PATH_SEPARATOR ':' +#endif + +#if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ + defined __OS2__ +# define HAVE_DOS_BASED_FILE_SYSTEM +# define FOPEN_WB "wb" +# ifndef DIR_SEPARATOR_2 +# define DIR_SEPARATOR_2 '\\' +# endif +# ifndef PATH_SEPARATOR_2 +# define PATH_SEPARATOR_2 ';' +# endif +#endif + +#ifndef DIR_SEPARATOR_2 +# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) +#else /* DIR_SEPARATOR_2 */ +# define IS_DIR_SEPARATOR(ch) \ + (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) +#endif /* DIR_SEPARATOR_2 */ + +#ifndef PATH_SEPARATOR_2 +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) +#else /* PATH_SEPARATOR_2 */ +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) +#endif /* PATH_SEPARATOR_2 */ + +#ifndef FOPEN_WB +# define FOPEN_WB "w" +#endif +#ifndef _O_BINARY +# define _O_BINARY 0 +#endif + +#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) +#define XFREE(stale) do { \ + if (stale) { free (stale); stale = 0; } \ +} while (0) + +#if defined LT_DEBUGWRAPPER +static int lt_debug = 1; +#else +static int lt_debug = 0; +#endif + +const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ + +void *xmalloc (size_t num); +char *xstrdup (const char *string); +const char *base_name (const char *name); +char *find_executable (const char *wrapper); +char *chase_symlinks (const char *pathspec); +int make_executable (const char *path); +int check_executable (const char *path); +char *strendzap (char *str, const char *pat); +void lt_debugprintf (const char *file, int line, const char *fmt, ...); +void lt_fatal (const char *file, int line, const char *message, ...); +static const char *nonnull (const char *s); +static const char *nonempty (const char *s); +void lt_setenv (const char *name, const char *value); +char *lt_extend_str (const char *orig_value, const char *add, int to_end); +void lt_update_exe_path (const char *name, const char *value); +void lt_update_lib_path (const char *name, const char *value); +char **prepare_spawn (char **argv); +void lt_dump_script (FILE *f); +EOF + + cat <= 0) + && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) + return 1; + else + return 0; +} + +int +make_executable (const char *path) +{ + int rval = 0; + struct stat st; + + lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", + nonempty (path)); + if ((!path) || (!*path)) + return 0; + + if (stat (path, &st) >= 0) + { + rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); + } + return rval; +} + +/* Searches for the full path of the wrapper. Returns + newly allocated full path name if found, NULL otherwise + Does not chase symlinks, even on platforms that support them. +*/ +char * +find_executable (const char *wrapper) +{ + int has_slash = 0; + const char *p; + const char *p_next; + /* static buffer for getcwd */ + char tmp[LT_PATHMAX + 1]; + size_t tmp_len; + char *concat_name; + + lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", + nonempty (wrapper)); + + if ((wrapper == NULL) || (*wrapper == '\0')) + return NULL; + + /* Absolute path? */ +#if defined HAVE_DOS_BASED_FILE_SYSTEM + if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + else + { +#endif + if (IS_DIR_SEPARATOR (wrapper[0])) + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } +#if defined HAVE_DOS_BASED_FILE_SYSTEM + } +#endif + + for (p = wrapper; *p; p++) + if (*p == '/') + { + has_slash = 1; + break; + } + if (!has_slash) + { + /* no slashes; search PATH */ + const char *path = getenv ("PATH"); + if (path != NULL) + { + for (p = path; *p; p = p_next) + { + const char *q; + size_t p_len; + for (q = p; *q; q++) + if (IS_PATH_SEPARATOR (*q)) + break; + p_len = (size_t) (q - p); + p_next = (*q == '\0' ? q : q + 1); + if (p_len == 0) + { + /* empty path: current directory */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = + XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + } + else + { + concat_name = + XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, p, p_len); + concat_name[p_len] = '/'; + strcpy (concat_name + p_len + 1, wrapper); + } + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + } + /* not found in PATH; assume curdir */ + } + /* Relative path | not found in path: prepend cwd */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + return NULL; +} + +char * +chase_symlinks (const char *pathspec) +{ +#ifndef S_ISLNK + return xstrdup (pathspec); +#else + char buf[LT_PATHMAX]; + struct stat s; + char *tmp_pathspec = xstrdup (pathspec); + char *p; + int has_symlinks = 0; + while (strlen (tmp_pathspec) && !has_symlinks) + { + lt_debugprintf (__FILE__, __LINE__, + "checking path component for symlinks: %s\n", + tmp_pathspec); + if (lstat (tmp_pathspec, &s) == 0) + { + if (S_ISLNK (s.st_mode) != 0) + { + has_symlinks = 1; + break; + } + + /* search backwards for last DIR_SEPARATOR */ + p = tmp_pathspec + strlen (tmp_pathspec) - 1; + while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + p--; + if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + { + /* no more DIR_SEPARATORS left */ + break; + } + *p = '\0'; + } + else + { + lt_fatal (__FILE__, __LINE__, + "error accessing file \"%s\": %s", + tmp_pathspec, nonnull (strerror (errno))); + } + } + XFREE (tmp_pathspec); + + if (!has_symlinks) + { + return xstrdup (pathspec); + } + + tmp_pathspec = realpath (pathspec, buf); + if (tmp_pathspec == 0) + { + lt_fatal (__FILE__, __LINE__, + "could not follow symlinks for %s", pathspec); + } + return xstrdup (tmp_pathspec); +#endif +} + +char * +strendzap (char *str, const char *pat) +{ + size_t len, patlen; + + assert (str != NULL); + assert (pat != NULL); + + len = strlen (str); + patlen = strlen (pat); + + if (patlen <= len) + { + str += len - patlen; + if (STREQ (str, pat)) + *str = '\0'; + } + return str; +} + +void +lt_debugprintf (const char *file, int line, const char *fmt, ...) +{ + va_list args; + if (lt_debug) + { + (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); + va_start (args, fmt); + (void) vfprintf (stderr, fmt, args); + va_end (args); + } +} + +static void +lt_error_core (int exit_status, const char *file, + int line, const char *mode, + const char *message, va_list ap) +{ + fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); + vfprintf (stderr, message, ap); + fprintf (stderr, ".\n"); + + if (exit_status >= 0) + exit (exit_status); +} + +void +lt_fatal (const char *file, int line, const char *message, ...) +{ + va_list ap; + va_start (ap, message); + lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); + va_end (ap); +} + +static const char * +nonnull (const char *s) +{ + return s ? s : "(null)"; +} + +static const char * +nonempty (const char *s) +{ + return (s && !*s) ? "(empty)" : nonnull (s); +} + +void +lt_setenv (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_setenv) setting '%s' to '%s'\n", + nonnull (name), nonnull (value)); + { +#ifdef HAVE_SETENV + /* always make a copy, for consistency with !HAVE_SETENV */ + char *str = xstrdup (value); + setenv (name, str, 1); +#else + size_t len = strlen (name) + 1 + strlen (value) + 1; + char *str = XMALLOC (char, len); + sprintf (str, "%s=%s", name, value); + if (putenv (str) != EXIT_SUCCESS) + { + XFREE (str); + } +#endif + } +} + +char * +lt_extend_str (const char *orig_value, const char *add, int to_end) +{ + char *new_value; + if (orig_value && *orig_value) + { + size_t orig_value_len = strlen (orig_value); + size_t add_len = strlen (add); + new_value = XMALLOC (char, add_len + orig_value_len + 1); + if (to_end) + { + strcpy (new_value, orig_value); + strcpy (new_value + orig_value_len, add); + } + else + { + strcpy (new_value, add); + strcpy (new_value + add_len, orig_value); + } + } + else + { + new_value = xstrdup (add); + } + return new_value; +} + +void +lt_update_exe_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + /* some systems can't cope with a ':'-terminated path #' */ + size_t len = strlen (new_value); + while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) + { + new_value[--len] = '\0'; + } + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +void +lt_update_lib_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +EOF + case $host_os in + mingw*) + cat <<"EOF" + +/* Prepares an argument vector before calling spawn(). + Note that spawn() does not by itself call the command interpreter + (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : + ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&v); + v.dwPlatformId == VER_PLATFORM_WIN32_NT; + }) ? "cmd.exe" : "command.com"). + Instead it simply concatenates the arguments, separated by ' ', and calls + CreateProcess(). We must quote the arguments since Win32 CreateProcess() + interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a + special way: + - Space and tab are interpreted as delimiters. They are not treated as + delimiters if they are surrounded by double quotes: "...". + - Unescaped double quotes are removed from the input. Their only effect is + that within double quotes, space and tab are treated like normal + characters. + - Backslashes not followed by double quotes are not special. + - But 2*n+1 backslashes followed by a double quote become + n backslashes followed by a double quote (n >= 0): + \" -> " + \\\" -> \" + \\\\\" -> \\" + */ +#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +char ** +prepare_spawn (char **argv) +{ + size_t argc; + char **new_argv; + size_t i; + + /* Count number of arguments. */ + for (argc = 0; argv[argc] != NULL; argc++) + ; + + /* Allocate new argument vector. */ + new_argv = XMALLOC (char *, argc + 1); + + /* Put quoted arguments into the new argument vector. */ + for (i = 0; i < argc; i++) + { + const char *string = argv[i]; + + if (string[0] == '\0') + new_argv[i] = xstrdup ("\"\""); + else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) + { + int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); + size_t length; + unsigned int backslashes; + const char *s; + char *quoted_string; + char *p; + + length = 0; + backslashes = 0; + if (quote_around) + length++; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + length += backslashes + 1; + length++; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + length += backslashes + 1; + + quoted_string = XMALLOC (char, length + 1); + + p = quoted_string; + backslashes = 0; + if (quote_around) + *p++ = '"'; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + { + unsigned int j; + for (j = backslashes + 1; j > 0; j--) + *p++ = '\\'; + } + *p++ = c; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + { + unsigned int j; + for (j = backslashes; j > 0; j--) + *p++ = '\\'; + *p++ = '"'; + } + *p = '\0'; + + new_argv[i] = quoted_string; + } + else + new_argv[i] = (char *) string; + } + new_argv[argc] = NULL; + + return new_argv; +} +EOF + ;; + esac + + cat <<"EOF" +void lt_dump_script (FILE* f) +{ +EOF + func_emit_wrapper yes | + $SED -n -e ' +s/^\(.\{79\}\)\(..*\)/\1\ +\2/ +h +s/\([\\"]\)/\\\1/g +s/$/\\n/ +s/\([^\n]*\).*/ fputs ("\1", f);/p +g +D' + cat <<"EOF" +} +EOF +} +# end: func_emit_cwrapperexe_src + +# func_win32_import_lib_p ARG +# True if ARG is an import lib, as indicated by $file_magic_cmd +func_win32_import_lib_p () +{ + $debug_cmd + + case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in + *import*) : ;; + *) false ;; + esac +} + +# func_suncc_cstd_abi +# !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! +# Several compiler flags select an ABI that is incompatible with the +# Cstd library. Avoid specifying it if any are in CXXFLAGS. +func_suncc_cstd_abi () +{ + $debug_cmd + + case " $compile_command " in + *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) + suncc_use_cstd_abi=no + ;; + *) + suncc_use_cstd_abi=yes + ;; + esac +} + +# func_mode_link arg... +func_mode_link () +{ + $debug_cmd + + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + # It is impossible to link a dll without this setting, and + # we shouldn't force the makefile maintainer to figure out + # what system we are compiling for in order to pass an extra + # flag for every libtool invocation. + # allow_undefined=no + + # FIXME: Unfortunately, there are problems with the above when trying + # to make a dll that has undefined symbols, in which case not + # even a static library is built. For now, we need to specify + # -no-undefined on the libtool link line when we can be certain + # that all symbols are satisfied, otherwise we get a static library. + allow_undefined=yes + ;; + *) + allow_undefined=yes + ;; + esac + libtool_args=$nonopt + base_compile="$nonopt $@" + compile_command=$nonopt + finalize_command=$nonopt + + compile_rpath= + finalize_rpath= + compile_shlibpath= + finalize_shlibpath= + convenience= + old_convenience= + deplibs= + old_deplibs= + compiler_flags= + linker_flags= + dllsearchpath= + lib_search_path=`pwd` + inst_prefix_dir= + new_inherited_linker_flags= + + avoid_version=no + bindir= + dlfiles= + dlprefiles= + dlself=no + export_dynamic=no + export_symbols= + export_symbols_regex= + generated= + libobjs= + ltlibs= + module=no + no_install=no + objs= + os2dllname= + non_pic_objects= + precious_files_regex= + prefer_static_libs=no + preload=false + prev= + prevarg= + release= + rpath= + xrpath= + perm_rpath= + temp_rpath= + thread_safe=no + vinfo= + vinfo_number=no + weak_libs= + single_module=$wl-single_module + func_infer_tag $base_compile + + # We need to know -static, to get the right output filenames. + for arg + do + case $arg in + -shared) + test yes != "$build_libtool_libs" \ + && func_fatal_configuration "cannot build a shared library" + build_old_libs=no + break + ;; + -all-static | -static | -static-libtool-libs) + case $arg in + -all-static) + if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then + func_warning "complete static linking is impossible in this configuration" + fi + if test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + -static) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=built + ;; + -static-libtool-libs) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + esac + build_libtool_libs=no + build_old_libs=yes + break + ;; + esac + done + + # See if our shared archives depend on static archives. + test -n "$old_archive_from_new_cmds" && build_old_libs=yes + + # Go through the arguments, transforming them on the way. + while test "$#" -gt 0; do + arg=$1 + shift + func_quote_for_eval "$arg" + qarg=$func_quote_for_eval_unquoted_result + func_append libtool_args " $func_quote_for_eval_result" + + # If the previous option needs an argument, assign it. + if test -n "$prev"; then + case $prev in + output) + func_append compile_command " @OUTPUT@" + func_append finalize_command " @OUTPUT@" + ;; + esac + + case $prev in + bindir) + bindir=$arg + prev= + continue + ;; + dlfiles|dlprefiles) + $preload || { + # Add the symbol object into the linking commands. + func_append compile_command " @SYMFILE@" + func_append finalize_command " @SYMFILE@" + preload=: + } + case $arg in + *.la | *.lo) ;; # We handle these cases below. + force) + if test no = "$dlself"; then + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + self) + if test dlprefiles = "$prev"; then + dlself=yes + elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then + dlself=yes + else + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + *) + if test dlfiles = "$prev"; then + func_append dlfiles " $arg" + else + func_append dlprefiles " $arg" + fi + prev= + continue + ;; + esac + ;; + expsyms) + export_symbols=$arg + test -f "$arg" \ + || func_fatal_error "symbol file '$arg' does not exist" + prev= + continue + ;; + expsyms_regex) + export_symbols_regex=$arg + prev= + continue + ;; + framework) + case $host in + *-*-darwin*) + case "$deplibs " in + *" $qarg.ltframework "*) ;; + *) func_append deplibs " $qarg.ltframework" # this is fixed later + ;; + esac + ;; + esac + prev= + continue + ;; + inst_prefix) + inst_prefix_dir=$arg + prev= + continue + ;; + mllvm) + # Clang does not use LLVM to link, so we can simply discard any + # '-mllvm $arg' options when doing the link step. + prev= + continue + ;; + objectlist) + if test -f "$arg"; then + save_arg=$arg + moreargs= + for fil in `cat "$save_arg"` + do +# func_append moreargs " $fil" + arg=$fil + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test none = "$pic_object" && + test none = "$non_pic_object"; then + func_fatal_error "cannot find name of object for '$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + if test none != "$pic_object"; then + # Prepend the subdirectory the object is found in. + pic_object=$xdir$pic_object + + if test dlfiles = "$prev"; then + if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test dlprefiles = "$prev"; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg=$pic_object + fi + + # Non-PIC object. + if test none != "$non_pic_object"; then + # Prepend the subdirectory the object is found in. + non_pic_object=$xdir$non_pic_object + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test none = "$pic_object"; then + arg=$non_pic_object + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object=$pic_object + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "'$arg' is not a valid libtool object" + fi + fi + done + else + func_fatal_error "link input file '$arg' does not exist" + fi + arg=$save_arg + prev= + continue + ;; + os2dllname) + os2dllname=$arg + prev= + continue + ;; + precious_regex) + precious_files_regex=$arg + prev= + continue + ;; + release) + release=-$arg + prev= + continue + ;; + rpath | xrpath) + # We need an absolute path. + case $arg in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + if test rpath = "$prev"; then + case "$rpath " in + *" $arg "*) ;; + *) func_append rpath " $arg" ;; + esac + else + case "$xrpath " in + *" $arg "*) ;; + *) func_append xrpath " $arg" ;; + esac + fi + prev= + continue + ;; + shrext) + shrext_cmds=$arg + prev= + continue + ;; + weak) + func_append weak_libs " $arg" + prev= + continue + ;; + xcclinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xcompiler) + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xlinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $wl$qarg" + prev= + func_append compile_command " $wl$qarg" + func_append finalize_command " $wl$qarg" + continue + ;; + *) + eval "$prev=\"\$arg\"" + prev= + continue + ;; + esac + fi # test -n "$prev" + + prevarg=$arg + + case $arg in + -all-static) + if test -n "$link_static_flag"; then + # See comment for -static flag below, for more details. + func_append compile_command " $link_static_flag" + func_append finalize_command " $link_static_flag" + fi + continue + ;; + + -allow-undefined) + # FIXME: remove this flag sometime in the future. + func_fatal_error "'-allow-undefined' must not be used because it is the default" + ;; + + -avoid-version) + avoid_version=yes + continue + ;; + + -bindir) + prev=bindir + continue + ;; + + -dlopen) + prev=dlfiles + continue + ;; + + -dlpreopen) + prev=dlprefiles + continue + ;; + + -export-dynamic) + export_dynamic=yes + continue + ;; + + -export-symbols | -export-symbols-regex) + if test -n "$export_symbols" || test -n "$export_symbols_regex"; then + func_fatal_error "more than one -exported-symbols argument is not allowed" + fi + if test X-export-symbols = "X$arg"; then + prev=expsyms + else + prev=expsyms_regex + fi + continue + ;; + + -framework) + prev=framework + continue + ;; + + -inst-prefix-dir) + prev=inst_prefix + continue + ;; + + # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* + # so, if we see these flags be careful not to treat them like -L + -L[A-Z][A-Z]*:*) + case $with_gcc/$host in + no/*-*-irix* | /*-*-irix*) + func_append compile_command " $arg" + func_append finalize_command " $arg" + ;; + esac + continue + ;; + + -L*) + func_stripname "-L" '' "$arg" + if test -z "$func_stripname_result"; then + if test "$#" -gt 0; then + func_fatal_error "require no space between '-L' and '$1'" + else + func_fatal_error "need path for '-L' option" + fi + fi + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + absdir=`cd "$dir" && pwd` + test -z "$absdir" && \ + func_fatal_error "cannot determine absolute directory name of '$dir'" + dir=$absdir + ;; + esac + case "$deplibs " in + *" -L$dir "* | *" $arg "*) + # Will only happen for absolute or sysroot arguments + ;; + *) + # Preserve sysroot, but never include relative directories + case $dir in + [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; + *) func_append deplibs " -L$dir" ;; + esac + func_append lib_search_path " $dir" + ;; + esac + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$dir:"*) ;; + ::) dllsearchpath=$dir;; + *) func_append dllsearchpath ":$dir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + continue + ;; + + -l*) + if test X-lc = "X$arg" || test X-lm = "X$arg"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) + # These systems don't actually have a C or math library (as such) + continue + ;; + *-*-os2*) + # These systems don't actually have a C library (as such) + test X-lc = "X$arg" && continue + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) + # Do not include libc due to us having libc/libc_r. + test X-lc = "X$arg" && continue + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C and math libraries are in the System framework + func_append deplibs " System.ltframework" + continue + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + test X-lc = "X$arg" && continue + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + test X-lc = "X$arg" && continue + ;; + esac + elif test X-lc_r = "X$arg"; then + case $host in + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) + # Do not include libc_r directly, use -pthread flag. + continue + ;; + esac + fi + func_append deplibs " $arg" + continue + ;; + + -mllvm) + prev=mllvm + continue + ;; + + -module) + module=yes + continue + ;; + + # Tru64 UNIX uses -model [arg] to determine the layout of C++ + # classes, name mangling, and exception handling. + # Darwin uses the -arch flag to determine output architecture. + -model|-arch|-isysroot|--sysroot) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + prev=xcompiler + continue + ;; + + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case "$new_inherited_linker_flags " in + *" $arg "*) ;; + * ) func_append new_inherited_linker_flags " $arg" ;; + esac + continue + ;; + + -multi_module) + single_module=$wl-multi_module + continue + ;; + + -no-fast-install) + fast_install=no + continue + ;; + + -no-install) + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) + # The PATH hackery in wrapper scripts is required on Windows + # and Darwin in order for the loader to find any dlls it needs. + func_warning "'-no-install' is ignored for $host" + func_warning "assuming '-no-fast-install' instead" + fast_install=no + ;; + *) no_install=yes ;; + esac + continue + ;; + + -no-undefined) + allow_undefined=no + continue + ;; + + -objectlist) + prev=objectlist + continue + ;; + + -os2dllname) + prev=os2dllname + continue + ;; + + -o) prev=output ;; + + -precious-files-regex) + prev=precious_regex + continue + ;; + + -release) + prev=release + continue + ;; + + -rpath) + prev=rpath + continue + ;; + + -R) + prev=xrpath + continue + ;; + + -R*) + func_stripname '-R' '' "$arg" + dir=$func_stripname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + =*) + func_stripname '=' '' "$dir" + dir=$lt_sysroot$func_stripname_result + ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + continue + ;; + + -shared) + # The effects of -shared are defined in a previous loop. + continue + ;; + + -shrext) + prev=shrext + continue + ;; + + -static | -static-libtool-libs) + # The effects of -static are defined in a previous loop. + # We used to do the same as -all-static on platforms that + # didn't have a PIC flag, but the assumption that the effects + # would be equivalent was wrong. It would break on at least + # Digital Unix and AIX. + continue + ;; + + -thread-safe) + thread_safe=yes + continue + ;; + + -version-info) + prev=vinfo + continue + ;; + + -version-number) + prev=vinfo + vinfo_number=yes + continue + ;; + + -weak) + prev=weak + continue + ;; + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs=$IFS; IFS=, + for flag in $args; do + IFS=$save_ifs + func_quote_for_eval "$flag" + func_append arg " $func_quote_for_eval_result" + func_append compiler_flags " $func_quote_for_eval_result" + done + IFS=$save_ifs + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Wl,*) + func_stripname '-Wl,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs=$IFS; IFS=, + for flag in $args; do + IFS=$save_ifs + func_quote_for_eval "$flag" + func_append arg " $wl$func_quote_for_eval_result" + func_append compiler_flags " $wl$func_quote_for_eval_result" + func_append linker_flags " $func_quote_for_eval_result" + done + IFS=$save_ifs + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Xcompiler) + prev=xcompiler + continue + ;; + + -Xlinker) + prev=xlinker + continue + ;; + + -XCClinker) + prev=xcclinker + continue + ;; + + # -msg_* for osf cc + -msg_*) + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + ;; + + # Flags to be passed through unchanged, with rationale: + # -64, -mips[0-9] enable 64-bit mode for the SGI compiler + # -r[0-9][0-9]* specify processor for the SGI compiler + # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler + # +DA*, +DD* enable 64-bit mode for the HP compiler + # -q* compiler args for the IBM compiler + # -m*, -t[45]*, -txscale* architecture-specific flags for GCC + # -F/path path to uninstalled frameworks, gcc on darwin + # -p, -pg, --coverage, -fprofile-* profiling flags for GCC + # -fstack-protector* stack protector flags for GCC + # @file GCC response files + # -tp=* Portland pgcc target processor selection + # --sysroot=* for sysroot support + # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization + # -specs=* GCC specs files + # -stdlib=* select c++ std lib with clang + # -fsanitize=* Clang/GCC memory and address sanitizer + -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ + -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ + -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \ + -specs=*|-fsanitize=*) + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + func_append compile_command " $arg" + func_append finalize_command " $arg" + func_append compiler_flags " $arg" + continue + ;; + + -Z*) + if test os2 = "`expr $host : '.*\(os2\)'`"; then + # OS/2 uses -Zxxx to specify OS/2-specific options + compiler_flags="$compiler_flags $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case $arg in + -Zlinker | -Zstack) + prev=xcompiler + ;; + esac + continue + else + # Otherwise treat like 'Some other compiler flag' below + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + fi + ;; + + # Some other compiler flag. + -* | +*) + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + ;; + + *.$objext) + # A standard object. + func_append objs " $arg" + ;; + + *.lo) + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test none = "$pic_object" && + test none = "$non_pic_object"; then + func_fatal_error "cannot find name of object for '$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + test none = "$pic_object" || { + # Prepend the subdirectory the object is found in. + pic_object=$xdir$pic_object + + if test dlfiles = "$prev"; then + if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test dlprefiles = "$prev"; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg=$pic_object + } + + # Non-PIC object. + if test none != "$non_pic_object"; then + # Prepend the subdirectory the object is found in. + non_pic_object=$xdir$non_pic_object + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test none = "$pic_object"; then + arg=$non_pic_object + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object=$pic_object + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "'$arg' is not a valid libtool object" + fi + fi + ;; + + *.$libext) + # An archive. + func_append deplibs " $arg" + func_append old_deplibs " $arg" + continue + ;; + + *.la) + # A libtool-controlled library. + + func_resolve_sysroot "$arg" + if test dlfiles = "$prev"; then + # This library was specified with -dlopen. + func_append dlfiles " $func_resolve_sysroot_result" + prev= + elif test dlprefiles = "$prev"; then + # The library was specified with -dlpreopen. + func_append dlprefiles " $func_resolve_sysroot_result" + prev= + else + func_append deplibs " $func_resolve_sysroot_result" + fi + continue + ;; + + # Some other compiler argument. + *) + # Unknown arguments in both finalize_command and compile_command need + # to be aesthetically quoted because they are evaled later. + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + ;; + esac # arg + + # Now actually substitute the argument into the commands. + if test -n "$arg"; then + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + done # argument parsing loop + + test -n "$prev" && \ + func_fatal_help "the '$prevarg' option requires an argument" + + if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then + eval arg=\"$export_dynamic_flag_spec\" + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + + oldlibs= + # calculate the name of the file, without its directory + func_basename "$output" + outputname=$func_basename_result + libobjs_save=$libobjs + + if test -n "$shlibpath_var"; then + # get the directories listed in $shlibpath_var + eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\` + else + shlib_search_path= + fi + eval sys_lib_search_path=\"$sys_lib_search_path_spec\" + eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" + + # Definition is injected by LT_CONFIG during libtool generation. + func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH" + + func_dirname "$output" "/" "" + output_objdir=$func_dirname_result$objdir + func_to_tool_file "$output_objdir/" + tool_output_objdir=$func_to_tool_file_result + # Create the object directory. + func_mkdir_p "$output_objdir" + + # Determine the type of output + case $output in + "") + func_fatal_help "you must specify an output file" + ;; + *.$libext) linkmode=oldlib ;; + *.lo | *.$objext) linkmode=obj ;; + *.la) linkmode=lib ;; + *) linkmode=prog ;; # Anything else should be a program. + esac + + specialdeplibs= + + libs= + # Find all interdependent deplibs by searching for libraries + # that are linked more than once (e.g. -la -lb -la) + for deplib in $deplibs; do + if $opt_preserve_dup_deps; then + case "$libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append libs " $deplib" + done + + if test lib = "$linkmode"; then + libs="$predeps $libs $compiler_lib_search_path $postdeps" + + # Compute libraries that are listed more than once in $predeps + # $postdeps and mark them as special (i.e., whose duplicates are + # not to be eliminated). + pre_post_deps= + if $opt_duplicate_compiler_generated_deps; then + for pre_post_dep in $predeps $postdeps; do + case "$pre_post_deps " in + *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; + esac + func_append pre_post_deps " $pre_post_dep" + done + fi + pre_post_deps= + fi + + deplibs= + newdependency_libs= + newlib_search_path= + need_relink=no # whether we're linking any uninstalled libtool libraries + notinst_deplibs= # not-installed libtool libraries + notinst_path= # paths that contain not-installed libtool libraries + + case $linkmode in + lib) + passes="conv dlpreopen link" + for file in $dlfiles $dlprefiles; do + case $file in + *.la) ;; + *) + func_fatal_help "libraries can '-dlopen' only libtool libraries: $file" + ;; + esac + done + ;; + prog) + compile_deplibs= + finalize_deplibs= + alldeplibs=false + newdlfiles= + newdlprefiles= + passes="conv scan dlopen dlpreopen link" + ;; + *) passes="conv" + ;; + esac + + for pass in $passes; do + # The preopen pass in lib mode reverses $deplibs; put it back here + # so that -L comes before libs that need it for instance... + if test lib,link = "$linkmode,$pass"; then + ## FIXME: Find the place where the list is rebuilt in the wrong + ## order, and fix it there properly + tmp_deplibs= + for deplib in $deplibs; do + tmp_deplibs="$deplib $tmp_deplibs" + done + deplibs=$tmp_deplibs + fi + + if test lib,link = "$linkmode,$pass" || + test prog,scan = "$linkmode,$pass"; then + libs=$deplibs + deplibs= + fi + if test prog = "$linkmode"; then + case $pass in + dlopen) libs=$dlfiles ;; + dlpreopen) libs=$dlprefiles ;; + link) + libs="$deplibs %DEPLIBS%" + test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" + ;; + esac + fi + if test lib,dlpreopen = "$linkmode,$pass"; then + # Collect and forward deplibs of preopened libtool libs + for lib in $dlprefiles; do + # Ignore non-libtool-libs + dependency_libs= + func_resolve_sysroot "$lib" + case $lib in + *.la) func_source "$func_resolve_sysroot_result" ;; + esac + + # Collect preopened libtool deplibs, except any this library + # has declared as weak libs + for deplib in $dependency_libs; do + func_basename "$deplib" + deplib_base=$func_basename_result + case " $weak_libs " in + *" $deplib_base "*) ;; + *) func_append deplibs " $deplib" ;; + esac + done + done + libs=$dlprefiles + fi + if test dlopen = "$pass"; then + # Collect dlpreopened libraries + save_deplibs=$deplibs + deplibs= + fi + + for deplib in $libs; do + lib= + found=false + case $deplib in + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append compiler_flags " $deplib" + if test lib = "$linkmode"; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -l*) + if test lib != "$linkmode" && test prog != "$linkmode"; then + func_warning "'-l' is ignored for archives/objects" + continue + fi + func_stripname '-l' '' "$deplib" + name=$func_stripname_result + if test lib = "$linkmode"; then + searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" + else + searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" + fi + for searchdir in $searchdirs; do + for search_ext in .la $std_shrext .so .a; do + # Search the libtool library + lib=$searchdir/lib$name$search_ext + if test -f "$lib"; then + if test .la = "$search_ext"; then + found=: + else + found=false + fi + break 2 + fi + done + done + if $found; then + # deplib is a libtool library + # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, + # We need to do some special things here, and not later. + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + case " $predeps $postdeps " in + *" $deplib "*) + if func_lalib_p "$lib"; then + library_names= + old_library= + func_source "$lib" + for l in $old_library $library_names; do + ll=$l + done + if test "X$ll" = "X$old_library"; then # only static version available + found=false + func_dirname "$lib" "" "." + ladir=$func_dirname_result + lib=$ladir/$old_library + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + fi + ;; + *) ;; + esac + fi + else + # deplib doesn't seem to be a libtool library + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + ;; # -l + *.ltframework) + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + if test lib = "$linkmode"; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -L*) + case $linkmode in + lib) + deplibs="$deplib $deplibs" + test conv = "$pass" && continue + newdependency_libs="$deplib $newdependency_libs" + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + prog) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + continue + fi + if test scan = "$pass"; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + *) + func_warning "'-L' is ignored for archives/objects" + ;; + esac # linkmode + continue + ;; # -L + -R*) + if test link = "$pass"; then + func_stripname '-R' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # Make sure the xrpath contains only unique directories. + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + fi + deplibs="$deplib $deplibs" + continue + ;; + *.la) + func_resolve_sysroot "$deplib" + lib=$func_resolve_sysroot_result + ;; + *.$libext) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + continue + fi + case $linkmode in + lib) + # Linking convenience modules into shared libraries is allowed, + # but linking other static libraries is non-portable. + case " $dlpreconveniencelibs " in + *" $deplib "*) ;; + *) + valid_a_lib=false + case $deplibs_check_method in + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ + | $EGREP "$match_pattern_regex" > /dev/null; then + valid_a_lib=: + fi + ;; + pass_all) + valid_a_lib=: + ;; + esac + if $valid_a_lib; then + echo + $ECHO "*** Warning: Linking the shared library $output against the" + $ECHO "*** static library $deplib is not portable!" + deplibs="$deplib $deplibs" + else + echo + $ECHO "*** Warning: Trying to link with static lib archive $deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because the file extensions .$libext of this argument makes me believe" + echo "*** that it is just a static archive that I should not use here." + fi + ;; + esac + continue + ;; + prog) + if test link != "$pass"; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + continue + ;; + esac # linkmode + ;; # *.$libext + *.lo | *.$objext) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + elif test prog = "$linkmode"; then + if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then + # If there is no dlopen support or we're linking statically, + # we need to preload. + func_append newdlprefiles " $deplib" + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append newdlfiles " $deplib" + fi + fi + continue + ;; + %DEPLIBS%) + alldeplibs=: + continue + ;; + esac # case $deplib + + $found || test -f "$lib" \ + || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'" + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$lib" \ + || func_fatal_error "'$lib' is not a valid libtool archive" + + func_dirname "$lib" "" "." + ladir=$func_dirname_result + + dlname= + dlopen= + dlpreopen= + libdir= + library_names= + old_library= + inherited_linker_flags= + # If the library was installed with an old release of libtool, + # it will not redefine variables installed, or shouldnotlink + installed=yes + shouldnotlink=no + avoidtemprpath= + + + # Read the .la file + func_source "$lib" + + # Convert "-framework foo" to "foo.ltframework" + if test -n "$inherited_linker_flags"; then + tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` + for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do + case " $new_inherited_linker_flags " in + *" $tmp_inherited_linker_flag "*) ;; + *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; + esac + done + fi + dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + if test lib,link = "$linkmode,$pass" || + test prog,scan = "$linkmode,$pass" || + { test prog != "$linkmode" && test lib != "$linkmode"; }; then + test -n "$dlopen" && func_append dlfiles " $dlopen" + test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" + fi + + if test conv = "$pass"; then + # Only check for convenience libraries + deplibs="$lib $deplibs" + if test -z "$libdir"; then + if test -z "$old_library"; then + func_fatal_error "cannot find name of link library for '$lib'" + fi + # It is a libtool convenience library, so add in its objects. + func_append convenience " $ladir/$objdir/$old_library" + func_append old_convenience " $ladir/$objdir/$old_library" + tmp_libs= + for deplib in $dependency_libs; do + deplibs="$deplib $deplibs" + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done + elif test prog != "$linkmode" && test lib != "$linkmode"; then + func_fatal_error "'$lib' is not a convenience library" + fi + continue + fi # $pass = conv + + + # Get the name of the library we link against. + linklib= + if test -n "$old_library" && + { test yes = "$prefer_static_libs" || + test built,no = "$prefer_static_libs,$installed"; }; then + linklib=$old_library + else + for l in $old_library $library_names; do + linklib=$l + done + fi + if test -z "$linklib"; then + func_fatal_error "cannot find name of link library for '$lib'" + fi + + # This library was specified with -dlopen. + if test dlopen = "$pass"; then + test -z "$libdir" \ + && func_fatal_error "cannot -dlopen a convenience library: '$lib'" + if test -z "$dlname" || + test yes != "$dlopen_support" || + test no = "$build_libtool_libs" + then + # If there is no dlname, no dlopen support or we're linking + # statically, we need to preload. We also need to preload any + # dependent libraries so libltdl's deplib preloader doesn't + # bomb out in the load deplibs phase. + func_append dlprefiles " $lib $dependency_libs" + else + func_append newdlfiles " $lib" + fi + continue + fi # $pass = dlopen + + # We need an absolute path. + case $ladir in + [\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;; + *) + abs_ladir=`cd "$ladir" && pwd` + if test -z "$abs_ladir"; then + func_warning "cannot determine absolute directory name of '$ladir'" + func_warning "passing it literally to the linker, although it might fail" + abs_ladir=$ladir + fi + ;; + esac + func_basename "$lib" + laname=$func_basename_result + + # Find the relevant object directory and library name. + if test yes = "$installed"; then + if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then + func_warning "library '$lib' was moved." + dir=$ladir + absdir=$abs_ladir + libdir=$abs_ladir + else + dir=$lt_sysroot$libdir + absdir=$lt_sysroot$libdir + fi + test yes = "$hardcode_automatic" && avoidtemprpath=yes + else + if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then + dir=$ladir + absdir=$abs_ladir + # Remove this search path later + func_append notinst_path " $abs_ladir" + else + dir=$ladir/$objdir + absdir=$abs_ladir/$objdir + # Remove this search path later + func_append notinst_path " $abs_ladir" + fi + fi # $installed = yes + func_stripname 'lib' '.la' "$laname" + name=$func_stripname_result + + # This library was specified with -dlpreopen. + if test dlpreopen = "$pass"; then + if test -z "$libdir" && test prog = "$linkmode"; then + func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'" + fi + case $host in + # special handling for platforms with PE-DLLs. + *cygwin* | *mingw* | *cegcc* ) + # Linker will automatically link against shared library if both + # static and shared are present. Therefore, ensure we extract + # symbols from the import library if a shared library is present + # (otherwise, the dlopen module name will be incorrect). We do + # this by putting the import library name into $newdlprefiles. + # We recover the dlopen module name by 'saving' the la file + # name in a special purpose variable, and (later) extracting the + # dlname from the la file. + if test -n "$dlname"; then + func_tr_sh "$dir/$linklib" + eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" + func_append newdlprefiles " $dir/$linklib" + else + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + fi + ;; + * ) + # Prefer using a static library (so that no silly _DYNAMIC symbols + # are required to link). + if test -n "$old_library"; then + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + # Otherwise, use the dlname, so that lt_dlopen finds it. + elif test -n "$dlname"; then + func_append newdlprefiles " $dir/$dlname" + else + func_append newdlprefiles " $dir/$linklib" + fi + ;; + esac + fi # $pass = dlpreopen + + if test -z "$libdir"; then + # Link the convenience library + if test lib = "$linkmode"; then + deplibs="$dir/$old_library $deplibs" + elif test prog,link = "$linkmode,$pass"; then + compile_deplibs="$dir/$old_library $compile_deplibs" + finalize_deplibs="$dir/$old_library $finalize_deplibs" + else + deplibs="$lib $deplibs" # used for prog,scan pass + fi + continue + fi + + + if test prog = "$linkmode" && test link != "$pass"; then + func_append newlib_search_path " $ladir" + deplibs="$lib $deplibs" + + linkalldeplibs=false + if test no != "$link_all_deplibs" || test -z "$library_names" || + test no = "$build_libtool_libs"; then + linkalldeplibs=: + fi + + tmp_libs= + for deplib in $dependency_libs; do + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + esac + # Need to link against all dependency_libs? + if $linkalldeplibs; then + deplibs="$deplib $deplibs" + else + # Need to hardcode shared library paths + # or/and link against static libraries + newdependency_libs="$deplib $newdependency_libs" + fi + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done # for deplib + continue + fi # $linkmode = prog... + + if test prog,link = "$linkmode,$pass"; then + if test -n "$library_names" && + { { test no = "$prefer_static_libs" || + test built,yes = "$prefer_static_libs,$installed"; } || + test -z "$old_library"; }; then + # We need to hardcode the library path + if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then + # Make sure the rpath contains only unique directories. + case $temp_rpath: in + *"$absdir:"*) ;; + *) func_append temp_rpath "$absdir:" ;; + esac + fi + + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi # $linkmode,$pass = prog,link... + + if $alldeplibs && + { test pass_all = "$deplibs_check_method" || + { test yes = "$build_libtool_libs" && + test -n "$library_names"; }; }; then + # We only need to search for static libraries + continue + fi + fi + + link_static=no # Whether the deplib will be linked statically + use_static_libs=$prefer_static_libs + if test built = "$use_static_libs" && test yes = "$installed"; then + use_static_libs=no + fi + if test -n "$library_names" && + { test no = "$use_static_libs" || test -z "$old_library"; }; then + case $host in + *cygwin* | *mingw* | *cegcc* | *os2*) + # No point in relinking DLLs because paths are not encoded + func_append notinst_deplibs " $lib" + need_relink=no + ;; + *) + if test no = "$installed"; then + func_append notinst_deplibs " $lib" + need_relink=yes + fi + ;; + esac + # This is a shared library + + # Warn about portability, can't link against -module's on some + # systems (darwin). Don't bleat about dlopened modules though! + dlopenmodule= + for dlpremoduletest in $dlprefiles; do + if test "X$dlpremoduletest" = "X$lib"; then + dlopenmodule=$dlpremoduletest + break + fi + done + if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then + echo + if test prog = "$linkmode"; then + $ECHO "*** Warning: Linking the executable $output against the loadable module" + else + $ECHO "*** Warning: Linking the shared library $output against the loadable module" + fi + $ECHO "*** $linklib is not portable!" + fi + if test lib = "$linkmode" && + test yes = "$hardcode_into_libs"; then + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi + + if test -n "$old_archive_from_expsyms_cmds"; then + # figure out the soname + set dummy $library_names + shift + realname=$1 + shift + libname=`eval "\\$ECHO \"$libname_spec\""` + # use dlname if we got it. it's perfectly good, no? + if test -n "$dlname"; then + soname=$dlname + elif test -n "$soname_spec"; then + # bleh windows + case $host in + *cygwin* | mingw* | *cegcc* | *os2*) + func_arith $current - $age + major=$func_arith_result + versuffix=-$major + ;; + esac + eval soname=\"$soname_spec\" + else + soname=$realname + fi + + # Make a new name for the extract_expsyms_cmds to use + soroot=$soname + func_basename "$soroot" + soname=$func_basename_result + func_stripname 'lib' '.dll' "$soname" + newlib=libimp-$func_stripname_result.a + + # If the library has no export list, then create one now + if test -f "$output_objdir/$soname-def"; then : + else + func_verbose "extracting exported symbol list from '$soname'" + func_execute_cmds "$extract_expsyms_cmds" 'exit $?' + fi + + # Create $newlib + if test -f "$output_objdir/$newlib"; then :; else + func_verbose "generating import library for '$soname'" + func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' + fi + # make sure the library variables are pointing to the new library + dir=$output_objdir + linklib=$newlib + fi # test -n "$old_archive_from_expsyms_cmds" + + if test prog = "$linkmode" || test relink != "$opt_mode"; then + add_shlibpath= + add_dir= + add= + lib_linked=yes + case $hardcode_action in + immediate | unsupported) + if test no = "$hardcode_direct"; then + add=$dir/$linklib + case $host in + *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;; + *-*-sysv4*uw2*) add_dir=-L$dir ;; + *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ + *-*-unixware7*) add_dir=-L$dir ;; + *-*-darwin* ) + # if the lib is a (non-dlopened) module then we cannot + # link against it, someone is ignoring the earlier warnings + if /usr/bin/file -L $add 2> /dev/null | + $GREP ": [^:]* bundle" >/dev/null; then + if test "X$dlopenmodule" != "X$lib"; then + $ECHO "*** Warning: lib $linklib is a module, not a shared library" + if test -z "$old_library"; then + echo + echo "*** And there doesn't seem to be a static archive available" + echo "*** The link will probably fail, sorry" + else + add=$dir/$old_library + fi + elif test -n "$old_library"; then + add=$dir/$old_library + fi + fi + esac + elif test no = "$hardcode_minus_L"; then + case $host in + *-*-sunos*) add_shlibpath=$dir ;; + esac + add_dir=-L$dir + add=-l$name + elif test no = "$hardcode_shlibpath_var"; then + add_shlibpath=$dir + add=-l$name + else + lib_linked=no + fi + ;; + relink) + if test yes = "$hardcode_direct" && + test no = "$hardcode_direct_absolute"; then + add=$dir/$linklib + elif test yes = "$hardcode_minus_L"; then + add_dir=-L$absdir + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add=-l$name + elif test yes = "$hardcode_shlibpath_var"; then + add_shlibpath=$dir + add=-l$name + else + lib_linked=no + fi + ;; + *) lib_linked=no ;; + esac + + if test yes != "$lib_linked"; then + func_fatal_configuration "unsupported hardcode properties" + fi + + if test -n "$add_shlibpath"; then + case :$compile_shlibpath: in + *":$add_shlibpath:"*) ;; + *) func_append compile_shlibpath "$add_shlibpath:" ;; + esac + fi + if test prog = "$linkmode"; then + test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" + test -n "$add" && compile_deplibs="$add $compile_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + if test yes != "$hardcode_direct" && + test yes != "$hardcode_minus_L" && + test yes = "$hardcode_shlibpath_var"; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + fi + fi + fi + + if test prog = "$linkmode" || test relink = "$opt_mode"; then + add_shlibpath= + add_dir= + add= + # Finalize command for both is simple: just hardcode it. + if test yes = "$hardcode_direct" && + test no = "$hardcode_direct_absolute"; then + add=$libdir/$linklib + elif test yes = "$hardcode_minus_L"; then + add_dir=-L$libdir + add=-l$name + elif test yes = "$hardcode_shlibpath_var"; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + add=-l$name + elif test yes = "$hardcode_automatic"; then + if test -n "$inst_prefix_dir" && + test -f "$inst_prefix_dir$libdir/$linklib"; then + add=$inst_prefix_dir$libdir/$linklib + else + add=$libdir/$linklib + fi + else + # We cannot seem to hardcode it, guess we'll fake it. + add_dir=-L$libdir + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add=-l$name + fi + + if test prog = "$linkmode"; then + test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" + test -n "$add" && finalize_deplibs="$add $finalize_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + fi + fi + elif test prog = "$linkmode"; then + # Here we assume that one of hardcode_direct or hardcode_minus_L + # is not unsupported. This is valid on all known static and + # shared platforms. + if test unsupported != "$hardcode_direct"; then + test -n "$old_library" && linklib=$old_library + compile_deplibs="$dir/$linklib $compile_deplibs" + finalize_deplibs="$dir/$linklib $finalize_deplibs" + else + compile_deplibs="-l$name -L$dir $compile_deplibs" + finalize_deplibs="-l$name -L$dir $finalize_deplibs" + fi + elif test yes = "$build_libtool_libs"; then + # Not a shared library + if test pass_all != "$deplibs_check_method"; then + # We're trying link a shared library against a static one + # but the system doesn't support it. + + # Just print a warning and add the library to dependency_libs so + # that the program can be linked against the static library. + echo + $ECHO "*** Warning: This system cannot link to static lib archive $lib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have." + if test yes = "$module"; then + echo "*** But as you try to build a module library, libtool will still create " + echo "*** a static module, that should work as long as the dlopening application" + echo "*** is linked with the -dlopen flag to resolve symbols at runtime." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using 'nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** 'nm' from GNU binutils and a full rebuild may help." + fi + if test no = "$build_old_libs"; then + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + else + deplibs="$dir/$old_library $deplibs" + link_static=yes + fi + fi # link shared/static library? + + if test lib = "$linkmode"; then + if test -n "$dependency_libs" && + { test yes != "$hardcode_into_libs" || + test yes = "$build_old_libs" || + test yes = "$link_static"; }; then + # Extract -R from dependency_libs + temp_deplibs= + for libdir in $dependency_libs; do + case $libdir in + -R*) func_stripname '-R' '' "$libdir" + temp_xrpath=$func_stripname_result + case " $xrpath " in + *" $temp_xrpath "*) ;; + *) func_append xrpath " $temp_xrpath";; + esac;; + *) func_append temp_deplibs " $libdir";; + esac + done + dependency_libs=$temp_deplibs + fi + + func_append newlib_search_path " $absdir" + # Link against this library + test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs" + # ... and its dependency_libs + tmp_libs= + for deplib in $dependency_libs; do + newdependency_libs="$deplib $newdependency_libs" + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result";; + *) func_resolve_sysroot "$deplib" ;; + esac + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $func_resolve_sysroot_result "*) + func_append specialdeplibs " $func_resolve_sysroot_result" ;; + esac + fi + func_append tmp_libs " $func_resolve_sysroot_result" + done + + if test no != "$link_all_deplibs"; then + # Add the search paths of all dependency libraries + for deplib in $dependency_libs; do + path= + case $deplib in + -L*) path=$deplib ;; + *.la) + func_resolve_sysroot "$deplib" + deplib=$func_resolve_sysroot_result + func_dirname "$deplib" "" "." + dir=$func_dirname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;; + *) + absdir=`cd "$dir" && pwd` + if test -z "$absdir"; then + func_warning "cannot determine absolute directory name of '$dir'" + absdir=$dir + fi + ;; + esac + if $GREP "^installed=no" $deplib > /dev/null; then + case $host in + *-*-darwin*) + depdepl= + eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` + if test -n "$deplibrary_names"; then + for tmp in $deplibrary_names; do + depdepl=$tmp + done + if test -f "$absdir/$objdir/$depdepl"; then + depdepl=$absdir/$objdir/$depdepl + darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + if test -z "$darwin_install_name"; then + darwin_install_name=`$OTOOL64 -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + fi + func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl" + func_append linker_flags " -dylib_file $darwin_install_name:$depdepl" + path= + fi + fi + ;; + *) + path=-L$absdir/$objdir + ;; + esac + else + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "'$deplib' is not a valid libtool archive" + test "$absdir" != "$libdir" && \ + func_warning "'$deplib' seems to be moved" + + path=-L$absdir + fi + ;; + esac + case " $deplibs " in + *" $path "*) ;; + *) deplibs="$path $deplibs" ;; + esac + done + fi # link_all_deplibs != no + fi # linkmode = lib + done # for deplib in $libs + if test link = "$pass"; then + if test prog = "$linkmode"; then + compile_deplibs="$new_inherited_linker_flags $compile_deplibs" + finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" + else + compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + fi + fi + dependency_libs=$newdependency_libs + if test dlpreopen = "$pass"; then + # Link the dlpreopened libraries before other libraries + for deplib in $save_deplibs; do + deplibs="$deplib $deplibs" + done + fi + if test dlopen != "$pass"; then + test conv = "$pass" || { + # Make sure lib_search_path contains only unique directories. + lib_search_path= + for dir in $newlib_search_path; do + case "$lib_search_path " in + *" $dir "*) ;; + *) func_append lib_search_path " $dir" ;; + esac + done + newlib_search_path= + } + + if test prog,link = "$linkmode,$pass"; then + vars="compile_deplibs finalize_deplibs" + else + vars=deplibs + fi + for var in $vars dependency_libs; do + # Add libraries to $var in reverse order + eval tmp_libs=\"\$$var\" + new_libs= + for deplib in $tmp_libs; do + # FIXME: Pedantically, this is the right thing to do, so + # that some nasty dependency loop isn't accidentally + # broken: + #new_libs="$deplib $new_libs" + # Pragmatically, this seems to cause very few problems in + # practice: + case $deplib in + -L*) new_libs="$deplib $new_libs" ;; + -R*) ;; + *) + # And here is the reason: when a library appears more + # than once as an explicit dependence of a library, or + # is implicitly linked in more than once by the + # compiler, it is considered special, and multiple + # occurrences thereof are not removed. Compare this + # with having the same library being listed as a + # dependency of multiple other libraries: in this case, + # we know (pedantically, we assume) the library does not + # need to be listed more than once, so we keep only the + # last copy. This is not always right, but it is rare + # enough that we require users that really mean to play + # such unportable linking tricks to link the library + # using -Wl,-lname, so that libtool does not consider it + # for duplicate removal. + case " $specialdeplibs " in + *" $deplib "*) new_libs="$deplib $new_libs" ;; + *) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$deplib $new_libs" ;; + esac + ;; + esac + ;; + esac + done + tmp_libs= + for deplib in $new_libs; do + case $deplib in + -L*) + case " $tmp_libs " in + *" $deplib "*) ;; + *) func_append tmp_libs " $deplib" ;; + esac + ;; + *) func_append tmp_libs " $deplib" ;; + esac + done + eval $var=\"$tmp_libs\" + done # for var + fi + + # Add Sun CC postdeps if required: + test CXX = "$tagname" && { + case $host_os in + linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C++ 5.9 + func_suncc_cstd_abi + + if test no != "$suncc_use_cstd_abi"; then + func_append postdeps ' -library=Cstd -library=Crun' + fi + ;; + esac + ;; + + solaris*) + func_cc_basename "$CC" + case $func_cc_basename_result in + CC* | sunCC*) + func_suncc_cstd_abi + + if test no != "$suncc_use_cstd_abi"; then + func_append postdeps ' -library=Cstd -library=Crun' + fi + ;; + esac + ;; + esac + } + + # Last step: remove runtime libs from dependency_libs + # (they stay in deplibs) + tmp_libs= + for i in $dependency_libs; do + case " $predeps $postdeps $compiler_lib_search_path " in + *" $i "*) + i= + ;; + esac + if test -n "$i"; then + func_append tmp_libs " $i" + fi + done + dependency_libs=$tmp_libs + done # for pass + if test prog = "$linkmode"; then + dlfiles=$newdlfiles + fi + if test prog = "$linkmode" || test lib = "$linkmode"; then + dlprefiles=$newdlprefiles + fi + + case $linkmode in + oldlib) + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + func_warning "'-dlopen' is ignored for archives" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "'-l' and '-L' are ignored for archives" ;; + esac + + test -n "$rpath" && \ + func_warning "'-rpath' is ignored for archives" + + test -n "$xrpath" && \ + func_warning "'-R' is ignored for archives" + + test -n "$vinfo" && \ + func_warning "'-version-info/-version-number' is ignored for archives" + + test -n "$release" && \ + func_warning "'-release' is ignored for archives" + + test -n "$export_symbols$export_symbols_regex" && \ + func_warning "'-export-symbols' is ignored for archives" + + # Now set the variables for building old libraries. + build_libtool_libs=no + oldlibs=$output + func_append objs "$old_deplibs" + ;; + + lib) + # Make sure we only generate libraries of the form 'libNAME.la'. + case $outputname in + lib*) + func_stripname 'lib' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + ;; + *) + test no = "$module" \ + && func_fatal_help "libtool library '$output' must begin with 'lib'" + + if test no != "$need_lib_prefix"; then + # Add the "lib" prefix for modules if required + func_stripname '' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + else + func_stripname '' '.la' "$outputname" + libname=$func_stripname_result + fi + ;; + esac + + if test -n "$objs"; then + if test pass_all != "$deplibs_check_method"; then + func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs" + else + echo + $ECHO "*** Warning: Linking the shared library $output against the non-libtool" + $ECHO "*** objects $objs is not portable!" + func_append libobjs " $objs" + fi + fi + + test no = "$dlself" \ + || func_warning "'-dlopen self' is ignored for libtool libraries" + + set dummy $rpath + shift + test 1 -lt "$#" \ + && func_warning "ignoring multiple '-rpath's for a libtool library" + + install_libdir=$1 + + oldlibs= + if test -z "$rpath"; then + if test yes = "$build_libtool_libs"; then + # Building a libtool convenience library. + # Some compilers have problems with a '.al' extension so + # convenience libraries should have the same extension an + # archive normally would. + oldlibs="$output_objdir/$libname.$libext $oldlibs" + build_libtool_libs=convenience + build_old_libs=yes + fi + + test -n "$vinfo" && \ + func_warning "'-version-info/-version-number' is ignored for convenience libraries" + + test -n "$release" && \ + func_warning "'-release' is ignored for convenience libraries" + else + + # Parse the version information argument. + save_ifs=$IFS; IFS=: + set dummy $vinfo 0 0 0 + shift + IFS=$save_ifs + + test -n "$7" && \ + func_fatal_help "too many parameters to '-version-info'" + + # convert absolute version numbers to libtool ages + # this retains compatibility with .la files and attempts + # to make the code below a bit more comprehensible + + case $vinfo_number in + yes) + number_major=$1 + number_minor=$2 + number_revision=$3 + # + # There are really only two kinds -- those that + # use the current revision as the major version + # and those that subtract age and use age as + # a minor version. But, then there is irix + # that has an extra 1 added just for fun + # + case $version_type in + # correct linux to gnu/linux during the next big refactor + darwin|freebsd-elf|linux|osf|windows|none) + func_arith $number_major + $number_minor + current=$func_arith_result + age=$number_minor + revision=$number_revision + ;; + freebsd-aout|qnx|sunos) + current=$number_major + revision=$number_minor + age=0 + ;; + irix|nonstopux) + func_arith $number_major + $number_minor + current=$func_arith_result + age=$number_minor + revision=$number_minor + lt_irix_increment=no + ;; + *) + func_fatal_configuration "$modename: unknown library version type '$version_type'" + ;; + esac + ;; + no) + current=$1 + revision=$2 + age=$3 + ;; + esac + + # Check that each of the things are valid numbers. + case $current in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "CURRENT '$current' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + case $revision in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "REVISION '$revision' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + case $age in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "AGE '$age' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + if test "$age" -gt "$current"; then + func_error "AGE '$age' is greater than the current interface number '$current'" + func_fatal_error "'$vinfo' is not valid version information" + fi + + # Calculate the version variables. + major= + versuffix= + verstring= + case $version_type in + none) ;; + + darwin) + # Like Linux, but with the current version available in + # verstring for coding it into the library header + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + # Darwin ld doesn't like 0 for these options... + func_arith $current + 1 + minor_current=$func_arith_result + xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + # On Darwin other compilers + case $CC in + nagfor*) + verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" + ;; + *) + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + ;; + esac + ;; + + freebsd-aout) + major=.$current + versuffix=.$current.$revision + ;; + + freebsd-elf) + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + ;; + + irix | nonstopux) + if test no = "$lt_irix_increment"; then + func_arith $current - $age + else + func_arith $current - $age + 1 + fi + major=$func_arith_result + + case $version_type in + nonstopux) verstring_prefix=nonstopux ;; + *) verstring_prefix=sgi ;; + esac + verstring=$verstring_prefix$major.$revision + + # Add in all the interfaces that we are compatible with. + loop=$revision + while test 0 -ne "$loop"; do + func_arith $revision - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring=$verstring_prefix$major.$iface:$verstring + done + + # Before this point, $major must not contain '.'. + major=.$major + versuffix=$major.$revision + ;; + + linux) # correct to gnu/linux during the next big refactor + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + ;; + + osf) + func_arith $current - $age + major=.$func_arith_result + versuffix=.$current.$age.$revision + verstring=$current.$age.$revision + + # Add in all the interfaces that we are compatible with. + loop=$age + while test 0 -ne "$loop"; do + func_arith $current - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring=$verstring:$iface.0 + done + + # Make executables depend on our current version. + func_append verstring ":$current.0" + ;; + + qnx) + major=.$current + versuffix=.$current + ;; + + sco) + major=.$current + versuffix=.$current + ;; + + sunos) + major=.$current + versuffix=.$current.$revision + ;; + + windows) + # Use '-' rather than '.', since we only want one + # extension on DOS 8.3 file systems. + func_arith $current - $age + major=$func_arith_result + versuffix=-$major + ;; + + *) + func_fatal_configuration "unknown library version type '$version_type'" + ;; + esac + + # Clear the version info if we defaulted, and they specified a release. + if test -z "$vinfo" && test -n "$release"; then + major= + case $version_type in + darwin) + # we can't check for "0.0" in archive_cmds due to quoting + # problems, so we reset it completely + verstring= + ;; + *) + verstring=0.0 + ;; + esac + if test no = "$need_version"; then + versuffix= + else + versuffix=.0.0 + fi + fi + + # Remove version info from name if versioning should be avoided + if test yes,no = "$avoid_version,$need_version"; then + major= + versuffix= + verstring= + fi + + # Check to see if the archive will have undefined symbols. + if test yes = "$allow_undefined"; then + if test unsupported = "$allow_undefined_flag"; then + if test yes = "$build_old_libs"; then + func_warning "undefined symbols not allowed in $host shared libraries; building static only" + build_libtool_libs=no + else + func_fatal_error "can't build $host shared library unless -no-undefined is specified" + fi + fi + else + # Don't allow undefined symbols. + allow_undefined_flag=$no_undefined_flag + fi + + fi + + func_generate_dlsyms "$libname" "$libname" : + func_append libobjs " $symfileobj" + test " " = "$libobjs" && libobjs= + + if test relink != "$opt_mode"; then + # Remove our outputs, but don't remove object files since they + # may have been created when compiling PIC objects. + removelist= + tempremovelist=`$ECHO "$output_objdir/*"` + for p in $tempremovelist; do + case $p in + *.$objext | *.gcno) + ;; + $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*) + if test -n "$precious_files_regex"; then + if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 + then + continue + fi + fi + func_append removelist " $p" + ;; + *) ;; + esac + done + test -n "$removelist" && \ + func_show_eval "${RM}r \$removelist" + fi + + # Now set the variables for building old libraries. + if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then + func_append oldlibs " $output_objdir/$libname.$libext" + + # Transform .lo files to .o files. + oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP` + fi + + # Eliminate all temporary directories. + #for path in $notinst_path; do + # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` + # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` + # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` + #done + + if test -n "$xrpath"; then + # If the user specified any rpath flags, then add them. + temp_xrpath= + for libdir in $xrpath; do + func_replace_sysroot "$libdir" + func_append temp_xrpath " -R$func_replace_sysroot_result" + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then + dependency_libs="$temp_xrpath $dependency_libs" + fi + fi + + # Make sure dlfiles contains only unique files that won't be dlpreopened + old_dlfiles=$dlfiles + dlfiles= + for lib in $old_dlfiles; do + case " $dlprefiles $dlfiles " in + *" $lib "*) ;; + *) func_append dlfiles " $lib" ;; + esac + done + + # Make sure dlprefiles contains only unique files + old_dlprefiles=$dlprefiles + dlprefiles= + for lib in $old_dlprefiles; do + case "$dlprefiles " in + *" $lib "*) ;; + *) func_append dlprefiles " $lib" ;; + esac + done + + if test yes = "$build_libtool_libs"; then + if test -n "$rpath"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) + # these systems don't actually have a c library (as such)! + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C library is in the System framework + func_append deplibs " System.ltframework" + ;; + *-*-netbsd*) + # Don't link with libc until the a.out ld.so is fixed. + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + ;; + *) + # Add libc to deplibs on all other systems if necessary. + if test yes = "$build_libtool_need_lc"; then + func_append deplibs " -lc" + fi + ;; + esac + fi + + # Transform deplibs into only deplibs that can be linked in shared. + name_save=$name + libname_save=$libname + release_save=$release + versuffix_save=$versuffix + major_save=$major + # I'm not sure if I'm treating the release correctly. I think + # release should show up in the -l (ie -lgmp5) so we don't want to + # add it in twice. Is that correct? + release= + versuffix= + major= + newdeplibs= + droppeddeps=no + case $deplibs_check_method in + pass_all) + # Don't check for shared/static. Everything works. + # This might be a little naive. We might want to check + # whether the library exists or not. But this is on + # osf3 & osf4 and I'm not really sure... Just + # implementing what was already the behavior. + newdeplibs=$deplibs + ;; + test_compile) + # This code stresses the "libraries are programs" paradigm to its + # limits. Maybe even breaks it. We compile a program, linking it + # against the deplibs as a proxy for the library. Then we can check + # whether they linked in statically or dynamically with ldd. + $opt_dry_run || $RM conftest.c + cat > conftest.c </dev/null` + $nocaseglob + else + potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` + fi + for potent_lib in $potential_libs; do + # Follow soft links. + if ls -lLd "$potent_lib" 2>/dev/null | + $GREP " -> " >/dev/null; then + continue + fi + # The statement above tries to avoid entering an + # endless loop below, in case of cyclic links. + # We might still enter an endless loop, since a link + # loop can be closed while we follow links, + # but so what? + potlib=$potent_lib + while test -h "$potlib" 2>/dev/null; do + potliblink=`ls -ld $potlib | $SED 's/.* -> //'` + case $potliblink in + [\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;; + *) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";; + esac + done + if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | + $SED -e 10q | + $EGREP "$file_magic_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib= + break 2 + fi + done + done + fi + if test -n "$a_deplib"; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib"; then + $ECHO "*** with $libname but no candidates were found. (...for file magic test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a file magic. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + for a_deplib in $deplibs; do + case $a_deplib in + -l*) + func_stripname -l '' "$a_deplib" + name=$func_stripname_result + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + case " $predeps $postdeps " in + *" $a_deplib "*) + func_append newdeplibs " $a_deplib" + a_deplib= + ;; + esac + fi + if test -n "$a_deplib"; then + libname=`eval "\\$ECHO \"$libname_spec\""` + for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do + potential_libs=`ls $i/$libname[.-]* 2>/dev/null` + for potent_lib in $potential_libs; do + potlib=$potent_lib # see symlink-check above in file_magic test + if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ + $EGREP "$match_pattern_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib= + break 2 + fi + done + done + fi + if test -n "$a_deplib"; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib"; then + $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a regex pattern. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + none | unknown | *) + newdeplibs= + tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + for i in $predeps $postdeps; do + # can't use Xsed below, because $i might contain '/' + tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"` + done + fi + case $tmp_deplibs in + *[!\ \ ]*) + echo + if test none = "$deplibs_check_method"; then + echo "*** Warning: inter-library dependencies are not supported in this platform." + else + echo "*** Warning: inter-library dependencies are not known to be supported." + fi + echo "*** All declared inter-library dependencies are being dropped." + droppeddeps=yes + ;; + esac + ;; + esac + versuffix=$versuffix_save + major=$major_save + release=$release_save + libname=$libname_save + name=$name_save + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library with the System framework + newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + if test yes = "$droppeddeps"; then + if test yes = "$module"; then + echo + echo "*** Warning: libtool could not satisfy all declared inter-library" + $ECHO "*** dependencies of module $libname. Therefore, libtool will create" + echo "*** a static module, that should work as long as the dlopening" + echo "*** application is linked with the -dlopen flag." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using 'nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** 'nm' from GNU binutils and a full rebuild may help." + fi + if test no = "$build_old_libs"; then + oldlibs=$output_objdir/$libname.$libext + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + else + echo "*** The inter-library dependencies that have been dropped here will be" + echo "*** automatically added whenever a program is linked with this library" + echo "*** or is declared to -dlopen it." + + if test no = "$allow_undefined"; then + echo + echo "*** Since this library must not contain undefined symbols," + echo "*** because either the platform does not support them or" + echo "*** it was explicitly requested with -no-undefined," + echo "*** libtool will only create a static version of it." + if test no = "$build_old_libs"; then + oldlibs=$output_objdir/$libname.$libext + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + fi + fi + # Done checking deplibs! + deplibs=$newdeplibs + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + case $host in + *-*-darwin*) + newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + deplibs=$new_libs + + # All the library-specific variables (install_libdir is set above). + library_names= + old_library= + dlname= + + # Test again, we may have decided not to build it any more + if test yes = "$build_libtool_libs"; then + # Remove $wl instances when linking with ld. + # FIXME: should test the right _cmds variable. + case $archive_cmds in + *\$LD\ *) wl= ;; + esac + if test yes = "$hardcode_into_libs"; then + # Hardcode the library paths + hardcode_libdirs= + dep_rpath= + rpath=$finalize_rpath + test relink = "$opt_mode" || rpath=$compile_rpath$rpath + for libdir in $rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + func_replace_sysroot "$libdir" + libdir=$func_replace_sysroot_result + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append dep_rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" + fi + if test -n "$runpath_var" && test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" + fi + test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" + fi + + shlibpath=$finalize_shlibpath + test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath + if test -n "$shlibpath"; then + eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" + fi + + # Get the real and link names of the library. + eval shared_ext=\"$shrext_cmds\" + eval library_names=\"$library_names_spec\" + set dummy $library_names + shift + realname=$1 + shift + + if test -n "$soname_spec"; then + eval soname=\"$soname_spec\" + else + soname=$realname + fi + if test -z "$dlname"; then + dlname=$soname + fi + + lib=$output_objdir/$realname + linknames= + for link + do + func_append linknames " $link" + done + + # Use standard objects if they are pic + test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` + test "X$libobjs" = "X " && libobjs= + + delfiles= + if test -n "$export_symbols" && test -n "$include_expsyms"; then + $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" + export_symbols=$output_objdir/$libname.uexp + func_append delfiles " $export_symbols" + fi + + orig_export_symbols= + case $host_os in + cygwin* | mingw* | cegcc*) + if test -n "$export_symbols" && test -z "$export_symbols_regex"; then + # exporting using user supplied symfile + func_dll_def_p "$export_symbols" || { + # and it's NOT already a .def file. Must figure out + # which of the given symbols are data symbols and tag + # them as such. So, trigger use of export_symbols_cmds. + # export_symbols gets reassigned inside the "prepare + # the list of exported symbols" if statement, so the + # include_expsyms logic still works. + orig_export_symbols=$export_symbols + export_symbols= + always_export_symbols=yes + } + fi + ;; + esac + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then + func_verbose "generating symbol list for '$libname.la'" + export_symbols=$output_objdir/$libname.exp + $opt_dry_run || $RM $export_symbols + cmds=$export_symbols_cmds + save_ifs=$IFS; IFS='~' + for cmd1 in $cmds; do + IFS=$save_ifs + # Take the normal branch if the nm_file_list_spec branch + # doesn't work or if tool conversion is not needed. + case $nm_file_list_spec~$to_tool_file_cmd in + *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) + try_normal_branch=yes + eval cmd=\"$cmd1\" + func_len " $cmd" + len=$func_len_result + ;; + *) + try_normal_branch=no + ;; + esac + if test yes = "$try_normal_branch" \ + && { test "$len" -lt "$max_cmd_len" \ + || test "$max_cmd_len" -le -1; } + then + func_show_eval "$cmd" 'exit $?' + skipped_export=false + elif test -n "$nm_file_list_spec"; then + func_basename "$output" + output_la=$func_basename_result + save_libobjs=$libobjs + save_output=$output + output=$output_objdir/$output_la.nm + func_to_tool_file "$output" + libobjs=$nm_file_list_spec$func_to_tool_file_result + func_append delfiles " $output" + func_verbose "creating $NM input file list: $output" + for obj in $save_libobjs; do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > "$output" + eval cmd=\"$cmd1\" + func_show_eval "$cmd" 'exit $?' + output=$save_output + libobjs=$save_libobjs + skipped_export=false + else + # The command line is too long to execute in one step. + func_verbose "using reloadable object file for export list..." + skipped_export=: + # Break out early, otherwise skipped_export may be + # set to false by a later but shorter cmd. + break + fi + done + IFS=$save_ifs + if test -n "$export_symbols_regex" && test : != "$skipped_export"; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + fi + + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols=$export_symbols + test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test : != "$skipped_export" && test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for '$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands, which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + + tmp_deplibs= + for test_deplib in $deplibs; do + case " $convenience " in + *" $test_deplib "*) ;; + *) + func_append tmp_deplibs " $test_deplib" + ;; + esac + done + deplibs=$tmp_deplibs + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec" && + test yes = "$compiler_needs_object" && + test -z "$libobjs"; then + # extract the archives, so we have objects to list. + # TODO: could optimize this to just extract one archive. + whole_archive_flag_spec= + fi + if test -n "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + else + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + fi + + if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then + eval flag=\"$thread_safe_flag_spec\" + func_append linker_flags " $flag" + fi + + # Make a backup of the uninstalled library when relinking + if test relink = "$opt_mode"; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? + fi + + # Do each of the archive commands. + if test yes = "$module" && test -n "$module_cmds"; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + eval test_cmds=\"$module_expsym_cmds\" + cmds=$module_expsym_cmds + else + eval test_cmds=\"$module_cmds\" + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + eval test_cmds=\"$archive_expsym_cmds\" + cmds=$archive_expsym_cmds + else + eval test_cmds=\"$archive_cmds\" + cmds=$archive_cmds + fi + fi + + if test : != "$skipped_export" && + func_len " $test_cmds" && + len=$func_len_result && + test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + : + else + # The command line is too long to link in one step, link piecewise + # or, if using GNU ld and skipped_export is not :, use a linker + # script. + + # Save the value of $output and $libobjs because we want to + # use them later. If we have whole_archive_flag_spec, we + # want to use save_libobjs as it was before + # whole_archive_flag_spec was expanded, because we can't + # assume the linker understands whole_archive_flag_spec. + # This may have to be revisited, in case too many + # convenience libraries get linked in and end up exceeding + # the spec. + if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + fi + save_output=$output + func_basename "$output" + output_la=$func_basename_result + + # Clear the reloadable object creation command queue and + # initialize k to one. + test_cmds= + concat_cmds= + objlist= + last_robj= + k=1 + + if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then + output=$output_objdir/$output_la.lnkscript + func_verbose "creating GNU ld script: $output" + echo 'INPUT (' > $output + for obj in $save_libobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + echo ')' >> $output + func_append delfiles " $output" + func_to_tool_file "$output" + output=$func_to_tool_file_result + elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then + output=$output_objdir/$output_la.lnk + func_verbose "creating linker input file list: $output" + : > $output + set x $save_libobjs + shift + firstobj= + if test yes = "$compiler_needs_object"; then + firstobj="$1 " + shift + fi + for obj + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + func_append delfiles " $output" + func_to_tool_file "$output" + output=$firstobj\"$file_list_spec$func_to_tool_file_result\" + else + if test -n "$save_libobjs"; then + func_verbose "creating reloadable object files..." + output=$output_objdir/$output_la-$k.$objext + eval test_cmds=\"$reload_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + + # Loop over the list of objects to be linked. + for obj in $save_libobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + if test -z "$objlist" || + test "$len" -lt "$max_cmd_len"; then + func_append objlist " $obj" + else + # The command $test_cmds is almost too long, add a + # command to the queue. + if test 1 -eq "$k"; then + # The first file doesn't have a previous command to add. + reload_objs=$objlist + eval concat_cmds=\"$reload_cmds\" + else + # All subsequent reloadable object files will link in + # the last one created. + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" + fi + last_robj=$output_objdir/$output_la-$k.$objext + func_arith $k + 1 + k=$func_arith_result + output=$output_objdir/$output_la-$k.$objext + objlist=" $obj" + func_len " $last_robj" + func_arith $len0 + $func_len_result + len=$func_arith_result + fi + done + # Handle the remaining objects by creating one last + # reloadable object file. All subsequent reloadable object + # files will link in the last one created. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds$reload_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + func_append delfiles " $output" + + else + output= + fi + + ${skipped_export-false} && { + func_verbose "generating symbol list for '$libname.la'" + export_symbols=$output_objdir/$libname.exp + $opt_dry_run || $RM $export_symbols + libobjs=$output + # Append the command to create the export file. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + } + + test -n "$save_libobjs" && + func_verbose "creating a temporary reloadable object file: $output" + + # Loop through the commands generated above and execute them. + save_ifs=$IFS; IFS='~' + for cmd in $concat_cmds; do + IFS=$save_ifs + $opt_quiet || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS=$save_ifs + + if test -n "$export_symbols_regex" && ${skipped_export-false}; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + + ${skipped_export-false} && { + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols=$export_symbols + test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for '$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands, which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + } + + libobjs=$output + # Restore the value of output. + output=$save_output + + if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + fi + # Expand the library linking commands again to reset the + # value of $libobjs for piecewise linking. + + # Do each of the archive commands. + if test yes = "$module" && test -n "$module_cmds"; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + cmds=$module_expsym_cmds + else + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + cmds=$archive_expsym_cmds + else + cmds=$archive_cmds + fi + fi + fi + + if test -n "$delfiles"; then + # Append the command to remove temporary files to $cmds. + eval cmds=\"\$cmds~\$RM $delfiles\" + fi + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + + save_ifs=$IFS; IFS='~' + for cmd in $cmds; do + IFS=$sp$nl + eval cmd=\"$cmd\" + IFS=$save_ifs + $opt_quiet || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS=$save_ifs + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? + + if test -n "$convenience"; then + if test -z "$whole_archive_flag_spec"; then + func_show_eval '${RM}r "$gentop"' + fi + fi + + exit $EXIT_SUCCESS + fi + + # Create links to the real library. + for linkname in $linknames; do + if test "$realname" != "$linkname"; then + func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' + fi + done + + # If -module or -export-dynamic was specified, set the dlname. + if test yes = "$module" || test yes = "$export_dynamic"; then + # On all known operating systems, these are identical. + dlname=$soname + fi + fi + ;; + + obj) + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + func_warning "'-dlopen' is ignored for objects" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "'-l' and '-L' are ignored for objects" ;; + esac + + test -n "$rpath" && \ + func_warning "'-rpath' is ignored for objects" + + test -n "$xrpath" && \ + func_warning "'-R' is ignored for objects" + + test -n "$vinfo" && \ + func_warning "'-version-info' is ignored for objects" + + test -n "$release" && \ + func_warning "'-release' is ignored for objects" + + case $output in + *.lo) + test -n "$objs$old_deplibs" && \ + func_fatal_error "cannot build library object '$output' from non-libtool objects" + + libobj=$output + func_lo2o "$libobj" + obj=$func_lo2o_result + ;; + *) + libobj= + obj=$output + ;; + esac + + # Delete the old objects. + $opt_dry_run || $RM $obj $libobj + + # Objects from convenience libraries. This assumes + # single-version convenience libraries. Whenever we create + # different ones for PIC/non-PIC, this we'll have to duplicate + # the extraction. + reload_conv_objs= + gentop= + # if reload_cmds runs $LD directly, get rid of -Wl from + # whole_archive_flag_spec and hope we can get by with turning comma + # into space. + case $reload_cmds in + *\$LD[\ \$]*) wl= ;; + esac + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec"; then + eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" + test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` + reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags + else + gentop=$output_objdir/${obj}x + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + reload_conv_objs="$reload_objs $func_extract_archives_result" + fi + fi + + # If we're not building shared, we need to use non_pic_objs + test yes = "$build_libtool_libs" || libobjs=$non_pic_objects + + # Create the old-style object. + reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs + + output=$obj + func_execute_cmds "$reload_cmds" 'exit $?' + + # Exit if we aren't doing a library object file. + if test -z "$libobj"; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + fi + + test yes = "$build_libtool_libs" || { + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + # Create an invalid libtool object if no PIC, so that we don't + # accidentally link it into a program. + # $show "echo timestamp > $libobj" + # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? + exit $EXIT_SUCCESS + } + + if test -n "$pic_flag" || test default != "$pic_mode"; then + # Only do commands if we really have different PIC objects. + reload_objs="$libobjs $reload_conv_objs" + output=$libobj + func_execute_cmds "$reload_cmds" 'exit $?' + fi + + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + ;; + + prog) + case $host in + *cygwin*) func_stripname '' '.exe' "$output" + output=$func_stripname_result.exe;; + esac + test -n "$vinfo" && \ + func_warning "'-version-info' is ignored for programs" + + test -n "$release" && \ + func_warning "'-release' is ignored for programs" + + $preload \ + && test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \ + && func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support." + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library is the System framework + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + case $host in + *-*-darwin*) + # Don't allow lazy linking, it breaks C++ global constructors + # But is supposedly fixed on 10.4 or later (yay!). + if test CXX = "$tagname"; then + case ${MACOSX_DEPLOYMENT_TARGET-10.0} in + 10.[0123]) + func_append compile_command " $wl-bind_at_load" + func_append finalize_command " $wl-bind_at_load" + ;; + esac + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $compile_deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $compile_deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + compile_deplibs=$new_libs + + + func_append compile_command " $compile_deplibs" + func_append finalize_command " $finalize_deplibs" + + if test -n "$rpath$xrpath"; then + # If the user specified any rpath flags, then add them. + for libdir in $rpath $xrpath; do + # This is the magic to use -rpath. + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + fi + + # Now hardcode the library paths + rpath= + hardcode_libdirs= + for libdir in $compile_rpath $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$libdir:"*) ;; + ::) dllsearchpath=$libdir;; + *) func_append dllsearchpath ":$libdir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + compile_rpath=$rpath + + rpath= + hardcode_libdirs= + for libdir in $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$finalize_perm_rpath " in + *" $libdir "*) ;; + *) func_append finalize_perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + finalize_rpath=$rpath + + if test -n "$libobjs" && test yes = "$build_old_libs"; then + # Transform all the library objects into standard objects. + compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + fi + + func_generate_dlsyms "$outputname" "@PROGRAM@" false + + # template prelinking step + if test -n "$prelink_cmds"; then + func_execute_cmds "$prelink_cmds" 'exit $?' + fi + + wrappers_required=: + case $host in + *cegcc* | *mingw32ce*) + # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. + wrappers_required=false + ;; + *cygwin* | *mingw* ) + test yes = "$build_libtool_libs" || wrappers_required=false + ;; + *) + if test no = "$need_relink" || test yes != "$build_libtool_libs"; then + wrappers_required=false + fi + ;; + esac + $wrappers_required || { + # Replace the output file specification. + compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + link_command=$compile_command$compile_rpath + + # We have no uninstalled library dependencies, so finalize right now. + exit_status=0 + func_show_eval "$link_command" 'exit_status=$?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Delete the generated files. + if test -f "$output_objdir/${outputname}S.$objext"; then + func_show_eval '$RM "$output_objdir/${outputname}S.$objext"' + fi + + exit $exit_status + } + + if test -n "$compile_shlibpath$finalize_shlibpath"; then + compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" + fi + if test -n "$finalize_shlibpath"; then + finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" + fi + + compile_var= + finalize_var= + if test -n "$runpath_var"; then + if test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + compile_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + if test -n "$finalize_perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $finalize_perm_rpath; do + func_append rpath "$dir:" + done + finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + fi + + if test yes = "$no_install"; then + # We don't need to create a wrapper script. + link_command=$compile_var$compile_command$compile_rpath + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + # Delete the old output file. + $opt_dry_run || $RM $output + # Link the executable and exit + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + exit $EXIT_SUCCESS + fi + + case $hardcode_action,$fast_install in + relink,*) + # Fast installation is not supported + link_command=$compile_var$compile_command$compile_rpath + relink_command=$finalize_var$finalize_command$finalize_rpath + + func_warning "this platform does not like uninstalled shared libraries" + func_warning "'$output' will be relinked during installation" + ;; + *,yes) + link_command=$finalize_var$compile_command$finalize_rpath + relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` + ;; + *,no) + link_command=$compile_var$compile_command$compile_rpath + relink_command=$finalize_var$finalize_command$finalize_rpath + ;; + *,needless) + link_command=$finalize_var$compile_command$finalize_rpath + relink_command= + ;; + esac + + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` + + # Delete the old output files. + $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname + + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output_objdir/$outputname" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Now create the wrapper script. + func_verbose "creating $output" + + # Quote the relink command for shipping. + if test -n "$relink_command"; then + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + relink_command="(cd `pwd`; $relink_command)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + fi + + # Only actually do things if not in dry run mode. + $opt_dry_run || { + # win32 will think the script is a binary if it has + # a .exe suffix, so we strip it off here. + case $output in + *.exe) func_stripname '' '.exe' "$output" + output=$func_stripname_result ;; + esac + # test for cygwin because mv fails w/o .exe extensions + case $host in + *cygwin*) + exeext=.exe + func_stripname '' '.exe' "$outputname" + outputname=$func_stripname_result ;; + *) exeext= ;; + esac + case $host in + *cygwin* | *mingw* ) + func_dirname_and_basename "$output" "" "." + output_name=$func_basename_result + output_path=$func_dirname_result + cwrappersource=$output_path/$objdir/lt-$output_name.c + cwrapper=$output_path/$output_name.exe + $RM $cwrappersource $cwrapper + trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 + + func_emit_cwrapperexe_src > $cwrappersource + + # The wrapper executable is built using the $host compiler, + # because it contains $host paths and files. If cross- + # compiling, it, like the target executable, must be + # executed on the $host or under an emulation environment. + $opt_dry_run || { + $LTCC $LTCFLAGS -o $cwrapper $cwrappersource + $STRIP $cwrapper + } + + # Now, create the wrapper script for func_source use: + func_ltwrapper_scriptname $cwrapper + $RM $func_ltwrapper_scriptname_result + trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 + $opt_dry_run || { + # note: this script will not be executed, so do not chmod. + if test "x$build" = "x$host"; then + $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result + else + func_emit_wrapper no > $func_ltwrapper_scriptname_result + fi + } + ;; + * ) + $RM $output + trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 + + func_emit_wrapper no > $output + chmod +x $output + ;; + esac + } + exit $EXIT_SUCCESS + ;; + esac + + # See if we need to build an old-fashioned archive. + for oldlib in $oldlibs; do + + case $build_libtool_libs in + convenience) + oldobjs="$libobjs_save $symfileobj" + addlibs=$convenience + build_libtool_libs=no + ;; + module) + oldobjs=$libobjs_save + addlibs=$old_convenience + build_libtool_libs=no + ;; + *) + oldobjs="$old_deplibs $non_pic_objects" + $preload && test -f "$symfileobj" \ + && func_append oldobjs " $symfileobj" + addlibs=$old_convenience + ;; + esac + + if test -n "$addlibs"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $addlibs + func_append oldobjs " $func_extract_archives_result" + fi + + # Do each command in the archive commands. + if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then + cmds=$old_archive_from_new_cmds + else + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append oldobjs " $func_extract_archives_result" + fi + + # POSIX demands no paths to be encoded in archives. We have + # to avoid creating archives with duplicate basenames if we + # might have to extract them afterwards, e.g., when creating a + # static archive out of a convenience library, or when linking + # the entirety of a libtool archive into another (currently + # not supported by libtool). + if (for obj in $oldobjs + do + func_basename "$obj" + $ECHO "$func_basename_result" + done | sort | sort -uc >/dev/null 2>&1); then + : + else + echo "copying selected object files to avoid basename conflicts..." + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + func_mkdir_p "$gentop" + save_oldobjs=$oldobjs + oldobjs= + counter=1 + for obj in $save_oldobjs + do + func_basename "$obj" + objbase=$func_basename_result + case " $oldobjs " in + " ") oldobjs=$obj ;; + *[\ /]"$objbase "*) + while :; do + # Make sure we don't pick an alternate name that also + # overlaps. + newobj=lt$counter-$objbase + func_arith $counter + 1 + counter=$func_arith_result + case " $oldobjs " in + *[\ /]"$newobj "*) ;; + *) if test ! -f "$gentop/$newobj"; then break; fi ;; + esac + done + func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" + func_append oldobjs " $gentop/$newobj" + ;; + *) func_append oldobjs " $obj" ;; + esac + done + fi + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + eval cmds=\"$old_archive_cmds\" + + func_len " $cmds" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + cmds=$old_archive_cmds + elif test -n "$archiver_list_spec"; then + func_verbose "using command file archive linking..." + for obj in $oldobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > $output_objdir/$libname.libcmd + func_to_tool_file "$output_objdir/$libname.libcmd" + oldobjs=" $archiver_list_spec$func_to_tool_file_result" + cmds=$old_archive_cmds + else + # the command line is too long to link in one step, link in parts + func_verbose "using piecewise archive linking..." + save_RANLIB=$RANLIB + RANLIB=: + objlist= + concat_cmds= + save_oldobjs=$oldobjs + oldobjs= + # Is there a better way of finding the last object in the list? + for obj in $save_oldobjs + do + last_oldobj=$obj + done + eval test_cmds=\"$old_archive_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + for obj in $save_oldobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + func_append objlist " $obj" + if test "$len" -lt "$max_cmd_len"; then + : + else + # the above command should be used before it gets too long + oldobjs=$objlist + if test "$obj" = "$last_oldobj"; then + RANLIB=$save_RANLIB + fi + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$old_archive_cmds\" + objlist= + len=$len0 + fi + done + RANLIB=$save_RANLIB + oldobjs=$objlist + if test -z "$oldobjs"; then + eval cmds=\"\$concat_cmds\" + else + eval cmds=\"\$concat_cmds~\$old_archive_cmds\" + fi + fi + fi + func_execute_cmds "$cmds" 'exit $?' + done + + test -n "$generated" && \ + func_show_eval "${RM}r$generated" + + # Now create the libtool archive. + case $output in + *.la) + old_library= + test yes = "$build_old_libs" && old_library=$libname.$libext + func_verbose "creating $output" + + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + # Quote the link command for shipping. + relink_command="(cd `pwd`; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + if test yes = "$hardcode_automatic"; then + relink_command= + fi + + # Only create the output if not a dry run. + $opt_dry_run || { + for installed in no yes; do + if test yes = "$installed"; then + if test -z "$install_libdir"; then + break + fi + output=$output_objdir/${outputname}i + # Replace all uninstalled libtool libraries with the installed ones + newdependency_libs= + for deplib in $dependency_libs; do + case $deplib in + *.la) + func_basename "$deplib" + name=$func_basename_result + func_resolve_sysroot "$deplib" + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` + test -z "$libdir" && \ + func_fatal_error "'$deplib' is not a valid libtool archive" + func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" + ;; + -L*) + func_stripname -L '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -L$func_replace_sysroot_result" + ;; + -R*) + func_stripname -R '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -R$func_replace_sysroot_result" + ;; + *) func_append newdependency_libs " $deplib" ;; + esac + done + dependency_libs=$newdependency_libs + newdlfiles= + + for lib in $dlfiles; do + case $lib in + *.la) + func_basename "$lib" + name=$func_basename_result + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "'$lib' is not a valid libtool archive" + func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" + ;; + *) func_append newdlfiles " $lib" ;; + esac + done + dlfiles=$newdlfiles + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + *.la) + # Only pass preopened files to the pseudo-archive (for + # eventual linking with the app. that links it) if we + # didn't already link the preopened objects directly into + # the library: + func_basename "$lib" + name=$func_basename_result + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "'$lib' is not a valid libtool archive" + func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" + ;; + esac + done + dlprefiles=$newdlprefiles + else + newdlfiles= + for lib in $dlfiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlfiles " $abs" + done + dlfiles=$newdlfiles + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlprefiles " $abs" + done + dlprefiles=$newdlprefiles + fi + $RM $output + # place dlname in correct position for cygwin + # In fact, it would be nice if we could use this code for all target + # systems that can't hard-code library paths into their executables + # and that have no shared library path variable independent of PATH, + # but it turns out we can't easily determine that from inspecting + # libtool variables, so we have to hard-code the OSs to which it + # applies here; at the moment, that means platforms that use the PE + # object format with DLL files. See the long comment at the top of + # tests/bindir.at for full details. + tdlname=$dlname + case $host,$output,$installed,$module,$dlname in + *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) + # If a -bindir argument was supplied, place the dll there. + if test -n "$bindir"; then + func_relative_path "$install_libdir" "$bindir" + tdlname=$func_relative_path_result/$dlname + else + # Otherwise fall back on heuristic. + tdlname=../bin/$dlname + fi + ;; + esac + $ECHO > $output "\ +# $outputname - a libtool library file +# Generated by $PROGRAM (GNU $PACKAGE) $VERSION +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# The name that we can dlopen(3). +dlname='$tdlname' + +# Names of this library. +library_names='$library_names' + +# The name of the static archive. +old_library='$old_library' + +# Linker flags that cannot go in dependency_libs. +inherited_linker_flags='$new_inherited_linker_flags' + +# Libraries that this one depends upon. +dependency_libs='$dependency_libs' + +# Names of additional weak libraries provided by this library +weak_library_names='$weak_libs' + +# Version information for $libname. +current=$current +age=$age +revision=$revision + +# Is this an already installed library? +installed=$installed + +# Should we warn about portability when linking against -modules? +shouldnotlink=$module + +# Files to dlopen/dlpreopen +dlopen='$dlfiles' +dlpreopen='$dlprefiles' + +# Directory that this library needs to be installed in: +libdir='$install_libdir'" + if test no,yes = "$installed,$need_relink"; then + $ECHO >> $output "\ +relink_command=\"$relink_command\"" + fi + done + } + + # Do a symbolic link so that the libtool archive can be found in + # LD_LIBRARY_PATH before the program is installed. + func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' + ;; + esac + exit $EXIT_SUCCESS +} + +if test link = "$opt_mode" || test relink = "$opt_mode"; then + func_mode_link ${1+"$@"} +fi + + +# func_mode_uninstall arg... +func_mode_uninstall () +{ + $debug_cmd + + RM=$nonopt + files= + rmforce=false + exit_status=0 + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic=$magic + + for arg + do + case $arg in + -f) func_append RM " $arg"; rmforce=: ;; + -*) func_append RM " $arg" ;; + *) func_append files " $arg" ;; + esac + done + + test -z "$RM" && \ + func_fatal_help "you must specify an RM program" + + rmdirs= + + for file in $files; do + func_dirname "$file" "" "." + dir=$func_dirname_result + if test . = "$dir"; then + odir=$objdir + else + odir=$dir/$objdir + fi + func_basename "$file" + name=$func_basename_result + test uninstall = "$opt_mode" && odir=$dir + + # Remember odir for removal later, being careful to avoid duplicates + if test clean = "$opt_mode"; then + case " $rmdirs " in + *" $odir "*) ;; + *) func_append rmdirs " $odir" ;; + esac + fi + + # Don't error if the file doesn't exist and rm -f was used. + if { test -L "$file"; } >/dev/null 2>&1 || + { test -h "$file"; } >/dev/null 2>&1 || + test -f "$file"; then + : + elif test -d "$file"; then + exit_status=1 + continue + elif $rmforce; then + continue + fi + + rmfiles=$file + + case $name in + *.la) + # Possibly a libtool archive, so verify it. + if func_lalib_p "$file"; then + func_source $dir/$name + + # Delete the libtool libraries and symlinks. + for n in $library_names; do + func_append rmfiles " $odir/$n" + done + test -n "$old_library" && func_append rmfiles " $odir/$old_library" + + case $opt_mode in + clean) + case " $library_names " in + *" $dlname "*) ;; + *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; + esac + test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" + ;; + uninstall) + if test -n "$library_names"; then + # Do each command in the postuninstall commands. + func_execute_cmds "$postuninstall_cmds" '$rmforce || exit_status=1' + fi + + if test -n "$old_library"; then + # Do each command in the old_postuninstall commands. + func_execute_cmds "$old_postuninstall_cmds" '$rmforce || exit_status=1' + fi + # FIXME: should reinstall the best remaining shared library. + ;; + esac + fi + ;; + + *.lo) + # Possibly a libtool object, so verify it. + if func_lalib_p "$file"; then + + # Read the .lo file + func_source $dir/$name + + # Add PIC object to the list of files to remove. + if test -n "$pic_object" && test none != "$pic_object"; then + func_append rmfiles " $dir/$pic_object" + fi + + # Add non-PIC object to the list of files to remove. + if test -n "$non_pic_object" && test none != "$non_pic_object"; then + func_append rmfiles " $dir/$non_pic_object" + fi + fi + ;; + + *) + if test clean = "$opt_mode"; then + noexename=$name + case $file in + *.exe) + func_stripname '' '.exe' "$file" + file=$func_stripname_result + func_stripname '' '.exe' "$name" + noexename=$func_stripname_result + # $file with .exe has already been added to rmfiles, + # add $file without .exe + func_append rmfiles " $file" + ;; + esac + # Do a test to see if this is a libtool program. + if func_ltwrapper_p "$file"; then + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + relink_command= + func_source $func_ltwrapper_scriptname_result + func_append rmfiles " $func_ltwrapper_scriptname_result" + else + relink_command= + func_source $dir/$noexename + fi + + # note $name still contains .exe if it was in $file originally + # as does the version of $file that was added into $rmfiles + func_append rmfiles " $odir/$name $odir/${name}S.$objext" + if test yes = "$fast_install" && test -n "$relink_command"; then + func_append rmfiles " $odir/lt-$name" + fi + if test "X$noexename" != "X$name"; then + func_append rmfiles " $odir/lt-$noexename.c" + fi + fi + fi + ;; + esac + func_show_eval "$RM $rmfiles" 'exit_status=1' + done + + # Try to remove the $objdir's in the directories where we deleted files + for dir in $rmdirs; do + if test -d "$dir"; then + func_show_eval "rmdir $dir >/dev/null 2>&1" + fi + done + + exit $exit_status +} + +if test uninstall = "$opt_mode" || test clean = "$opt_mode"; then + func_mode_uninstall ${1+"$@"} +fi + +test -z "$opt_mode" && { + help=$generic_help + func_fatal_help "you must specify a MODE" +} + +test -z "$exec_cmd" && \ + func_fatal_help "invalid operation mode '$opt_mode'" + +if test -n "$exec_cmd"; then + eval exec "$exec_cmd" + exit $EXIT_FAILURE +fi + +exit $exit_status + + +# The TAGs below are defined such that we never get into a situation +# where we disable both kinds of libraries. Given conflicting +# choices, we go for a static library, that is the most portable, +# since we can't tell whether shared libraries were disabled because +# the user asked for that or because the platform doesn't support +# them. This is particularly important on AIX, because we don't +# support having both static and shared libraries enabled at the same +# time on that platform, so we default to a shared-only configuration. +# If a disable-shared tag is given, we'll fallback to a static-only +# configuration. But we'll never go from static-only to shared-only. + +# ### BEGIN LIBTOOL TAG CONFIG: disable-shared +build_libtool_libs=no +build_old_libs=yes +# ### END LIBTOOL TAG CONFIG: disable-shared + +# ### BEGIN LIBTOOL TAG CONFIG: disable-static +build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` +# ### END LIBTOOL TAG CONFIG: disable-static + +# Local Variables: +# mode:shell-script +# sh-indentation:2 +# End: diff --git a/spl/config/ltoptions.m4 b/spl/config/ltoptions.m4 new file mode 100644 index 000000000000..94b082976667 --- /dev/null +++ b/spl/config/ltoptions.m4 @@ -0,0 +1,437 @@ +# Helper functions for option handling. -*- Autoconf -*- +# +# Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software +# Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 8 ltoptions.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) + + +# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) +# ------------------------------------------ +m4_define([_LT_MANGLE_OPTION], +[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) + + +# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) +# --------------------------------------- +# Set option OPTION-NAME for macro MACRO-NAME, and if there is a +# matching handler defined, dispatch to it. Other OPTION-NAMEs are +# saved as a flag. +m4_define([_LT_SET_OPTION], +[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl +m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), + _LT_MANGLE_DEFUN([$1], [$2]), + [m4_warning([Unknown $1 option '$2'])])[]dnl +]) + + +# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) +# ------------------------------------------------------------ +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +m4_define([_LT_IF_OPTION], +[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) + + +# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) +# ------------------------------------------------------- +# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME +# are set. +m4_define([_LT_UNLESS_OPTIONS], +[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), + [m4_define([$0_found])])])[]dnl +m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 +])[]dnl +]) + + +# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) +# ---------------------------------------- +# OPTION-LIST is a space-separated list of Libtool options associated +# with MACRO-NAME. If any OPTION has a matching handler declared with +# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about +# the unknown option and exit. +m4_defun([_LT_SET_OPTIONS], +[# Set options +m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [_LT_SET_OPTION([$1], _LT_Option)]) + +m4_if([$1],[LT_INIT],[ + dnl + dnl Simply set some default values (i.e off) if boolean options were not + dnl specified: + _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no + ]) + _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no + ]) + dnl + dnl If no reference was made to various pairs of opposing options, then + dnl we run the default mode handler for the pair. For example, if neither + dnl 'shared' nor 'disable-shared' was passed, we enable building of shared + dnl archives by default: + _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) + _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], + [_LT_ENABLE_FAST_INSTALL]) + _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], + [_LT_WITH_AIX_SONAME([aix])]) + ]) +])# _LT_SET_OPTIONS + + +## --------------------------------- ## +## Macros to handle LT_INIT options. ## +## --------------------------------- ## + +# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) +# ----------------------------------------- +m4_define([_LT_MANGLE_DEFUN], +[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) + + +# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) +# ----------------------------------------------- +m4_define([LT_OPTION_DEFINE], +[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl +])# LT_OPTION_DEFINE + + +# dlopen +# ------ +LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes +]) + +AU_DEFUN([AC_LIBTOOL_DLOPEN], +[_LT_SET_OPTION([LT_INIT], [dlopen]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'dlopen' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) + + +# win32-dll +# --------- +# Declare package support for building win32 dll's. +LT_OPTION_DEFINE([LT_INIT], [win32-dll], +[enable_win32_dll=yes + +case $host in +*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) + AC_CHECK_TOOL(AS, as, false) + AC_CHECK_TOOL(DLLTOOL, dlltool, false) + AC_CHECK_TOOL(OBJDUMP, objdump, false) + ;; +esac + +test -z "$AS" && AS=as +_LT_DECL([], [AS], [1], [Assembler program])dnl + +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl + +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl +])# win32-dll + +AU_DEFUN([AC_LIBTOOL_WIN32_DLL], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +_LT_SET_OPTION([LT_INIT], [win32-dll]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'win32-dll' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) + + +# _LT_ENABLE_SHARED([DEFAULT]) +# ---------------------------- +# implement the --enable-shared flag, and supports the 'shared' and +# 'disable-shared' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_SHARED], +[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([shared], + [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], + [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) + + _LT_DECL([build_libtool_libs], [enable_shared], [0], + [Whether or not to build shared libraries]) +])# _LT_ENABLE_SHARED + +LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) +]) + +AC_DEFUN([AC_DISABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], [disable-shared]) +]) + +AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) +AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_SHARED], []) +dnl AC_DEFUN([AM_DISABLE_SHARED], []) + + + +# _LT_ENABLE_STATIC([DEFAULT]) +# ---------------------------- +# implement the --enable-static flag, and support the 'static' and +# 'disable-static' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_STATIC], +[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([static], + [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], + [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_static=]_LT_ENABLE_STATIC_DEFAULT) + + _LT_DECL([build_old_libs], [enable_static], [0], + [Whether or not to build static libraries]) +])# _LT_ENABLE_STATIC + +LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) +]) + +AC_DEFUN([AC_DISABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], [disable-static]) +]) + +AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) +AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_STATIC], []) +dnl AC_DEFUN([AM_DISABLE_STATIC], []) + + + +# _LT_ENABLE_FAST_INSTALL([DEFAULT]) +# ---------------------------------- +# implement the --enable-fast-install flag, and support the 'fast-install' +# and 'disable-fast-install' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_FAST_INSTALL], +[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([fast-install], + [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], + [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) + +_LT_DECL([fast_install], [enable_fast_install], [0], + [Whether or not to optimize for fast installation])dnl +])# _LT_ENABLE_FAST_INSTALL + +LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) + +# Old names: +AU_DEFUN([AC_ENABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the 'fast-install' option into LT_INIT's first parameter.]) +]) + +AU_DEFUN([AC_DISABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], [disable-fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the 'disable-fast-install' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) +dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) + + +# _LT_WITH_AIX_SONAME([DEFAULT]) +# ---------------------------------- +# implement the --with-aix-soname flag, and support the `aix-soname=aix' +# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT +# is either `aix', `both' or `svr4'. If omitted, it defaults to `aix'. +m4_define([_LT_WITH_AIX_SONAME], +[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl +shared_archive_member_spec= +case $host,$enable_shared in +power*-*-aix[[5-9]]*,yes) + AC_MSG_CHECKING([which variant of shared library versioning to provide]) + AC_ARG_WITH([aix-soname], + [AS_HELP_STRING([--with-aix-soname=aix|svr4|both], + [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])], + [case $withval in + aix|svr4|both) + ;; + *) + AC_MSG_ERROR([Unknown argument to --with-aix-soname]) + ;; + esac + lt_cv_with_aix_soname=$with_aix_soname], + [AC_CACHE_VAL([lt_cv_with_aix_soname], + [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT) + with_aix_soname=$lt_cv_with_aix_soname]) + AC_MSG_RESULT([$with_aix_soname]) + if test aix != "$with_aix_soname"; then + # For the AIX way of multilib, we name the shared archive member + # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', + # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. + # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, + # the AIX toolchain works better with OBJECT_MODE set (default 32). + if test 64 = "${OBJECT_MODE-32}"; then + shared_archive_member_spec=shr_64 + else + shared_archive_member_spec=shr + fi + fi + ;; +*) + with_aix_soname=aix + ;; +esac + +_LT_DECL([], [shared_archive_member_spec], [0], + [Shared archive member basename, for filename based shared library versioning on AIX])dnl +])# _LT_WITH_AIX_SONAME + +LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])]) +LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])]) +LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])]) + + +# _LT_WITH_PIC([MODE]) +# -------------------- +# implement the --with-pic flag, and support the 'pic-only' and 'no-pic' +# LT_INIT options. +# MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'. +m4_define([_LT_WITH_PIC], +[AC_ARG_WITH([pic], + [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], + [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], + [lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for lt_pkg in $withval; do + IFS=$lt_save_ifs + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [pic_mode=m4_default([$1], [default])]) + +_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl +])# _LT_WITH_PIC + +LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) + +# Old name: +AU_DEFUN([AC_LIBTOOL_PICMODE], +[_LT_SET_OPTION([LT_INIT], [pic-only]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'pic-only' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) + +## ----------------- ## +## LTDL_INIT Options ## +## ----------------- ## + +m4_define([_LTDL_MODE], []) +LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], + [m4_define([_LTDL_MODE], [nonrecursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [recursive], + [m4_define([_LTDL_MODE], [recursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [subproject], + [m4_define([_LTDL_MODE], [subproject])]) + +m4_define([_LTDL_TYPE], []) +LT_OPTION_DEFINE([LTDL_INIT], [installable], + [m4_define([_LTDL_TYPE], [installable])]) +LT_OPTION_DEFINE([LTDL_INIT], [convenience], + [m4_define([_LTDL_TYPE], [convenience])]) diff --git a/spl/config/ltsugar.m4 b/spl/config/ltsugar.m4 new file mode 100644 index 000000000000..48bc9344a4d6 --- /dev/null +++ b/spl/config/ltsugar.m4 @@ -0,0 +1,124 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software +# Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltsugar.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) + + +# lt_join(SEP, ARG1, [ARG2...]) +# ----------------------------- +# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their +# associated separator. +# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier +# versions in m4sugar had bugs. +m4_define([lt_join], +[m4_if([$#], [1], [], + [$#], [2], [[$2]], + [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) +m4_define([_lt_join], +[m4_if([$#$2], [2], [], + [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) + + +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59, which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) +m4_define([lt_unquote], $1) + + +# lt_append(MACRO-NAME, STRING, [SEPARATOR]) +# ------------------------------------------ +# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. +# Note that neither SEPARATOR nor STRING are expanded; they are appended +# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). +# No SEPARATOR is output if MACRO-NAME was previously undefined (different +# than defined and empty). +# +# This macro is needed until we can rely on Autoconf 2.62, since earlier +# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. +m4_define([lt_append], +[m4_define([$1], + m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) + + + +# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) +# ---------------------------------------------------------- +# Produce a SEP delimited list of all paired combinations of elements of +# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list +# has the form PREFIXmINFIXSUFFIXn. +# Needed until we can rely on m4_combine added in Autoconf 2.62. +m4_define([lt_combine], +[m4_if(m4_eval([$# > 3]), [1], + [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl +[[m4_foreach([_Lt_prefix], [$2], + [m4_foreach([_Lt_suffix], + ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, + [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) + + +# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) +# ----------------------------------------------------------------------- +# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited +# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. +m4_define([lt_if_append_uniq], +[m4_ifdef([$1], + [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], + [lt_append([$1], [$2], [$3])$4], + [$5])], + [lt_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$3])]) + + +# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) +# -------------------------------------------- +m4_define([lt_dict_add_subkey], +[m4_define([$1($2:$3)], [$4])]) + + +# lt_dict_fetch(DICT, KEY, [SUBKEY]) +# ---------------------------------- +m4_define([lt_dict_fetch], +[m4_ifval([$3], + m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), + m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) + + +# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) +# ----------------------------------------------------------------- +m4_define([lt_if_dict_fetch], +[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], + [$5], + [$6])]) + + +# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) +# -------------------------------------------------------------- +m4_define([lt_dict_filter], +[m4_if([$5], [], [], + [lt_join(m4_quote(m4_default([$4], [[, ]])), + lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), + [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl +]) diff --git a/spl/config/ltversion.m4 b/spl/config/ltversion.m4 new file mode 100644 index 000000000000..fa04b52a3bf8 --- /dev/null +++ b/spl/config/ltversion.m4 @@ -0,0 +1,23 @@ +# ltversion.m4 -- version numbers -*- Autoconf -*- +# +# Copyright (C) 2004, 2011-2015 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# @configure_input@ + +# serial 4179 ltversion.m4 +# This file is part of GNU Libtool + +m4_define([LT_PACKAGE_VERSION], [2.4.6]) +m4_define([LT_PACKAGE_REVISION], [2.4.6]) + +AC_DEFUN([LTVERSION_VERSION], +[macro_version='2.4.6' +macro_revision='2.4.6' +_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) +_LT_DECL(, macro_revision, 0) +]) diff --git a/spl/config/lt~obsolete.m4 b/spl/config/lt~obsolete.m4 new file mode 100644 index 000000000000..c6b26f88f6c3 --- /dev/null +++ b/spl/config/lt~obsolete.m4 @@ -0,0 +1,99 @@ +# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- +# +# Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software +# Foundation, Inc. +# Written by Scott James Remnant, 2004. +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 5 lt~obsolete.m4 + +# These exist entirely to fool aclocal when bootstrapping libtool. +# +# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN), +# which have later been changed to m4_define as they aren't part of the +# exported API, or moved to Autoconf or Automake where they belong. +# +# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN +# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us +# using a macro with the same name in our local m4/libtool.m4 it'll +# pull the old libtool.m4 in (it doesn't see our shiny new m4_define +# and doesn't know about Autoconf macros at all.) +# +# So we provide this file, which has a silly filename so it's always +# included after everything else. This provides aclocal with the +# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything +# because those macros already exist, or will be overwritten later. +# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. +# +# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. +# Yes, that means every name once taken will need to remain here until +# we give up compatibility with versions before 1.7, at which point +# we need to keep only those names which we still refer to. + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) + +m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) +m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) +m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])]) +m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])]) +m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])]) 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[AC_DEFUN([_LT_PROG_F77])]) +m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])]) +m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])]) diff --git a/spl/config/missing b/spl/config/missing new file mode 100755 index 000000000000..f62bbae306c7 --- /dev/null +++ b/spl/config/missing @@ -0,0 +1,215 @@ +#! /bin/sh +# Common wrapper for a few potentially missing GNU programs. + +scriptversion=2013-10-28.13; # UTC + +# Copyright (C) 1996-2014 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard , 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try '$0 --help' for more information" + exit 1 +fi + +case $1 in + + --is-lightweight) + # Used by our autoconf macros to check whether the available missing + # script is modern enough. + exit 0 + ;; + + --run) + # Back-compat with the calling convention used by older automake. + shift + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + +Supported PROGRAM values: + aclocal autoconf autoheader autom4te automake makeinfo + bison yacc flex lex help2man + +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name. + +Send bug reports to ." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: unknown '$1' option" + echo 1>&2 "Try '$0 --help' for more information" + exit 1 + ;; + +esac + +# Run the given program, remember its exit status. +"$@"; st=$? + +# If it succeeded, we are done. +test $st -eq 0 && exit 0 + +# Also exit now if we it failed (or wasn't found), and '--version' was +# passed; such an option is passed most likely to detect whether the +# program is present and works. +case $2 in --version|--help) exit $st;; esac + +# Exit code 63 means version mismatch. This often happens when the user +# tries to use an ancient version of a tool on a file that requires a +# minimum version. +if test $st -eq 63; then + msg="probably too old" +elif test $st -eq 127; then + # Program was missing. + msg="missing on your system" +else + # Program was found and executed, but failed. Give up. + exit $st +fi + +perl_URL=http://www.perl.org/ +flex_URL=http://flex.sourceforge.net/ +gnu_software_URL=http://www.gnu.org/software + +program_details () +{ + case $1 in + aclocal|automake) + echo "The '$1' program is part of the GNU Automake package:" + echo "<$gnu_software_URL/automake>" + echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/autoconf>" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + autoconf|autom4te|autoheader) + echo "The '$1' program is part of the GNU Autoconf package:" + echo "<$gnu_software_URL/autoconf/>" + echo "It also requires GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + esac +} + +give_advice () +{ + # Normalize program name to check for. + normalized_program=`echo "$1" | sed ' + s/^gnu-//; t + s/^gnu//; t + s/^g//; t'` + + printf '%s\n' "'$1' is $msg." + + configure_deps="'configure.ac' or m4 files included by 'configure.ac'" + case $normalized_program in + autoconf*) + echo "You should only need it if you modified 'configure.ac'," + echo "or m4 files included by it." + program_details 'autoconf' + ;; + autoheader*) + echo "You should only need it if you modified 'acconfig.h' or" + echo "$configure_deps." + program_details 'autoheader' + ;; + automake*) + echo "You should only need it if you modified 'Makefile.am' or" + echo "$configure_deps." + program_details 'automake' + ;; + aclocal*) + echo "You should only need it if you modified 'acinclude.m4' or" + echo "$configure_deps." + program_details 'aclocal' + ;; + autom4te*) + echo "You might have modified some maintainer files that require" + echo "the 'autom4te' program to be rebuilt." + program_details 'autom4te' + ;; + bison*|yacc*) + echo "You should only need it if you modified a '.y' file." + echo "You may want to install the GNU Bison package:" + echo "<$gnu_software_URL/bison/>" + ;; + lex*|flex*) + echo "You should only need it if you modified a '.l' file." + echo "You may want to install the Fast Lexical Analyzer package:" + echo "<$flex_URL>" + ;; + help2man*) + echo "You should only need it if you modified a dependency" \ + "of a man page." + echo "You may want to install the GNU Help2man package:" + echo "<$gnu_software_URL/help2man/>" + ;; + makeinfo*) + echo "You should only need it if you modified a '.texi' file, or" + echo "any other file indirectly affecting the aspect of the manual." + echo "You might want to install the Texinfo package:" + echo "<$gnu_software_URL/texinfo/>" + echo "The spurious makeinfo call might also be the consequence of" + echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" + echo "want to install GNU make:" + echo "<$gnu_software_URL/make/>" + ;; + *) + echo "You might have modified some files without having the proper" + echo "tools for further handling them. Check the 'README' file, it" + echo "often tells you about the needed prerequisites for installing" + echo "this package. You may also peek at any GNU archive site, in" + echo "case some other package contains this missing '$1' program." + ;; + esac +} + +give_advice "$1" | sed -e '1s/^/WARNING: /' \ + -e '2,$s/^/ /' >&2 + +# Propagate the correct exit status (expected to be 127 for a program +# not found, 63 for a program that failed due to version mismatch). +exit $st + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/spl/config/rpm.am b/spl/config/rpm.am new file mode 100644 index 000000000000..51a20b3e6a10 --- /dev/null +++ b/spl/config/rpm.am @@ -0,0 +1,87 @@ +############################################################################### +# Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC. +# Copyright (C) 2007 The Regents of the University of California. +# Written by Brian Behlendorf . +############################################################################### +# Build targets for RPM packages. +############################################################################### + +srpm-kmod: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-kmod" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_KMOD}' srpm-common + +srpm-dkms: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-dkms" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_DKMS}' srpm-common + +srpm-utils: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_UTIL}' srpm-common + +srpm: srpm-kmod srpm-dkms srpm-utils +srpms: srpm-kmod srpm-dkms srpm-utils + +rpm-kmod: srpm-kmod + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-kmod" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_KMOD}' rpm-common + +rpm-dkms: srpm-dkms + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-dkms" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_DKMS}' rpm-common + +rpm-utils: srpm-utils + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_UTIL}' rpm-common + +rpm: rpm-kmod rpm-dkms rpm-utils +rpms: rpm-kmod rpm-dkms rpm-utils + +rpm-local: + @(if test "${HAVE_RPMBUILD}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${RPMBUILD} missing. Please install the\n" \ + "*** package for your distribution which provides ${RPMBUILD},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi; \ + mkdir -p $(rpmbuild)/TMP && \ + mkdir -p $(rpmbuild)/BUILD && \ + mkdir -p $(rpmbuild)/RPMS && \ + mkdir -p $(rpmbuild)/SRPMS && \ + mkdir -p $(rpmbuild)/SPECS && \ + cp ${RPM_SPEC_DIR}/$(rpmspec) $(rpmbuild)/SPECS && \ + mkdir -p $(rpmbuild)/SOURCES && \ + cp $(top_srcdir)/scripts/kmodtool $(rpmbuild)/SOURCES && \ + cp $(distdir).tar.gz $(rpmbuild)/SOURCES) + +srpm-common: dist + @(dist=`$(RPM) --eval %{?dist}`; \ + rpmpkg=$(pkg)-$(VERSION)-$(RELEASE)$$dist*src.rpm; \ + rpmspec=$(pkg).spec; \ + rpmbuild=`mktemp -t -d $(PACKAGE)-build-$$USER-XXXXXXXX`; \ + $(MAKE) $(AM_MAKEFLAGS) \ + rpmbuild="$$rpmbuild" \ + rpmspec="$$rpmspec" \ + rpm-local || exit 1; \ + LANG=C $(RPMBUILD) \ + --define "_tmppath $$rpmbuild/TMP" \ + --define "_topdir $$rpmbuild" \ + $(def) -bs $$rpmbuild/SPECS/$$rpmspec || exit 1; \ + cp $$rpmbuild/SRPMS/$$rpmpkg . || exit 1; \ + rm -R $$rpmbuild) + +rpm-common: + @(dist=`$(RPM) --eval %{?dist}`; \ + rpmpkg=$(pkg)-$(VERSION)-$(RELEASE)$$dist*src.rpm; \ + rpmspec=$(pkg).spec; \ + rpmbuild=`mktemp -t -d $(PACKAGE)-build-$$USER-XXXXXXXX`; \ + $(MAKE) $(AM_MAKEFLAGS) \ + rpmbuild="$$rpmbuild" \ + rpmspec="$$rpmspec" \ + rpm-local || exit 1; \ + LANG=C ${RPMBUILD} \ + --define "_tmppath $$rpmbuild/TMP" \ + --define "_topdir $$rpmbuild" \ + $(def) --rebuild $$rpmpkg || exit 1; \ + cp $$rpmbuild/RPMS/*/* . || exit 1; \ + rm -R $$rpmbuild) diff --git a/spl/config/spl-build.m4 b/spl/config/spl-build.m4 new file mode 100644 index 000000000000..5a2f1ded2534 --- /dev/null +++ b/spl/config/spl-build.m4 @@ -0,0 +1,1599 @@ +############################################################################### +# Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. +# Copyright (C) 2007 The Regents of the University of California. +# Written by Brian Behlendorf . +############################################################################### +# SPL_AC_CONFIG_KERNEL: Default SPL kernel configuration. +############################################################################### + +AC_DEFUN([SPL_AC_CONFIG_KERNEL], [ + SPL_AC_KERNEL + + if test "${LINUX_OBJ}" != "${LINUX}"; then + KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" + fi + AC_SUBST(KERNELMAKE_PARAMS) + + KERNELCPPFLAGS="$KERNELCPPFLAGS -Wstrict-prototypes" + AC_SUBST(KERNELCPPFLAGS) + + SPL_AC_DEBUG + SPL_AC_DEBUG_KMEM + SPL_AC_DEBUG_KMEM_TRACKING + SPL_AC_TEST_MODULE + SPL_AC_ATOMIC_SPINLOCK + SPL_AC_SHRINKER_CALLBACK + SPL_AC_CTL_NAME + SPL_AC_CONFIG_TRIM_UNUSED_KSYMS + SPL_AC_PDE_DATA + SPL_AC_SET_FS_PWD_WITH_CONST + SPL_AC_2ARGS_VFS_UNLINK + SPL_AC_4ARGS_VFS_RENAME + SPL_AC_2ARGS_VFS_FSYNC + SPL_AC_INODE_TRUNCATE_RANGE + SPL_AC_FS_STRUCT_SPINLOCK + SPL_AC_KUIDGID_T + SPL_AC_PUT_TASK_STRUCT + SPL_AC_KERNEL_FALLOCATE + SPL_AC_CONFIG_ZLIB_INFLATE + SPL_AC_CONFIG_ZLIB_DEFLATE + SPL_AC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE + SPL_AC_SHRINK_CONTROL_STRUCT + SPL_AC_RWSEM_SPINLOCK_IS_RAW + SPL_AC_RWSEM_ACTIVITY + SPL_AC_RWSEM_ATOMIC_LONG_COUNT + SPL_AC_SCHED_RT_HEADER + SPL_AC_2ARGS_VFS_GETATTR + SPL_AC_USLEEP_RANGE + SPL_AC_KMEM_CACHE_ALLOCFLAGS + SPL_AC_WAIT_ON_BIT + SPL_AC_INODE_LOCK + SPL_AC_MUTEX_OWNER + SPL_AC_GROUP_INFO_GID +]) + +AC_DEFUN([SPL_AC_MODULE_SYMVERS], [ + modpost=$LINUX/scripts/Makefile.modpost + AC_MSG_CHECKING([kernel file name for module symbols]) + if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then + if grep -q Modules.symvers $modpost; then + LINUX_SYMBOLS=Modules.symvers + else + LINUX_SYMBOLS=Module.symvers + fi + + if ! test -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then + AC_MSG_ERROR([ + *** Please make sure the kernel devel package for your distribution + *** is installed. If you are building with a custom kernel, make sure the + *** kernel is configured, built, and the '--with-linux=PATH' configure + *** option refers to the location of the kernel source.]) + fi + else + LINUX_SYMBOLS=NONE + fi + AC_MSG_RESULT($LINUX_SYMBOLS) + AC_SUBST(LINUX_SYMBOLS) +]) + +AC_DEFUN([SPL_AC_KERNEL], [ + AC_ARG_WITH([linux], + AS_HELP_STRING([--with-linux=PATH], + [Path to kernel source]), + [kernelsrc="$withval"]) + + AC_ARG_WITH([linux-obj], + AS_HELP_STRING([--with-linux-obj=PATH], + [Path to kernel build objects]), + [kernelbuild="$withval"]) + + AC_MSG_CHECKING([kernel source directory]) + if test -z "$kernelsrc"; then + if test -e "/lib/modules/$(uname -r)/source"; then + headersdir="/lib/modules/$(uname -r)/source" + sourcelink=$(readlink -f "$headersdir") + elif test -e "/lib/modules/$(uname -r)/build"; then + headersdir="/lib/modules/$(uname -r)/build" + sourcelink=$(readlink -f "$headersdir") + else + sourcelink=$(ls -1d /usr/src/kernels/* \ + /usr/src/linux-* \ + 2>/dev/null | grep -v obj | tail -1) + fi + + if test -n "$sourcelink" && test -e ${sourcelink}; then + kernelsrc=`readlink -f ${sourcelink}` + else + kernelsrc="[Not found]" + fi + else + if test "$kernelsrc" = "NONE"; then + kernsrcver=NONE + fi + fi + + AC_MSG_RESULT([$kernelsrc]) + if test ! -d "$kernelsrc"; then + AC_MSG_ERROR([ + *** Please make sure the kernel devel package for your distribution + *** is installed and then try again. If that fails, you can specify the + *** location of the kernel source with the '--with-linux=PATH' option.]) + fi + + AC_MSG_CHECKING([kernel build directory]) + if test -z "$kernelbuild"; then + if test -e "/lib/modules/$(uname -r)/build"; then + kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` + elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then + kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} + elif test -d ${kernelsrc}-obj/${target_cpu}/default; then + kernelbuild=${kernelsrc}-obj/${target_cpu}/default + elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then + kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} + else + kernelbuild=${kernelsrc} + fi + fi + AC_MSG_RESULT([$kernelbuild]) + + AC_MSG_CHECKING([kernel source version]) + utsrelease1=$kernelbuild/include/linux/version.h + utsrelease2=$kernelbuild/include/linux/utsrelease.h + utsrelease3=$kernelbuild/include/generated/utsrelease.h + if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then + utsrelease=linux/version.h + elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then + utsrelease=linux/utsrelease.h + elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then + utsrelease=generated/utsrelease.h + fi + + if test "$utsrelease"; then + kernsrcver=`(echo "#include <$utsrelease>"; + echo "kernsrcver=UTS_RELEASE") | + cpp -I $kernelbuild/include | + grep "^kernsrcver=" | cut -d \" -f 2` + + if test -z "$kernsrcver"; then + AC_MSG_RESULT([Not found]) + AC_MSG_ERROR([*** Cannot determine kernel version.]) + fi + else + AC_MSG_RESULT([Not found]) + if test "x$enable_linux_builtin" != xyes; then + AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.]) + else + AC_MSG_ERROR([ + *** Cannot find UTS_RELEASE definition. + *** Please run 'make prepare' inside the kernel source tree.]) + fi + fi + + AC_MSG_RESULT([$kernsrcver]) + + LINUX=${kernelsrc} + LINUX_OBJ=${kernelbuild} + LINUX_VERSION=${kernsrcver} + + AC_SUBST(LINUX) + AC_SUBST(LINUX_OBJ) + AC_SUBST(LINUX_VERSION) + + SPL_AC_MODULE_SYMVERS +]) + +dnl # +dnl # Default SPL user configuration +dnl # +AC_DEFUN([SPL_AC_CONFIG_USER], []) + +dnl # +dnl # Check for rpm+rpmbuild to build RPM packages. If these tools +dnl # are missing, it is non-fatal, but you will not be able to build +dnl # RPM packages and will be warned if you try too. +dnl # +dnl # By default, the generic spec file will be used because it requires +dnl # minimal dependencies. Distribution specific spec files can be +dnl # placed under the 'rpm/' directory and enabled using +dnl # the --with-spec= configure option. +dnl # +AC_DEFUN([SPL_AC_RPM], [ + RPM=rpm + RPMBUILD=rpmbuild + + AC_MSG_CHECKING([whether $RPM is available]) + AS_IF([tmp=$($RPM --version 2>/dev/null)], [ + RPM_VERSION=$(echo $tmp | $AWK '/RPM/ { print $[3] }') + HAVE_RPM=yes + AC_MSG_RESULT([$HAVE_RPM ($RPM_VERSION)]) + ],[ + HAVE_RPM=no + AC_MSG_RESULT([$HAVE_RPM]) + ]) + + AC_MSG_CHECKING([whether $RPMBUILD is available]) + AS_IF([tmp=$($RPMBUILD --version 2>/dev/null)], [ + RPMBUILD_VERSION=$(echo $tmp | $AWK '/RPM/ { print $[3] }') + HAVE_RPMBUILD=yes + AC_MSG_RESULT([$HAVE_RPMBUILD ($RPMBUILD_VERSION)]) + ],[ + HAVE_RPMBUILD=no + AC_MSG_RESULT([$HAVE_RPMBUILD]) + ]) + + RPM_DEFINE_COMMON='--define "$(DEBUG_SPL) 1" --define "$(DEBUG_KMEM) 1" --define "$(DEBUG_KMEM_TRACKING) 1"' + RPM_DEFINE_UTIL= + RPM_DEFINE_KMOD='--define "kernels $(LINUX_VERSION)"' + RPM_DEFINE_DKMS= + + SRPM_DEFINE_COMMON='--define "build_src_rpm 1"' + SRPM_DEFINE_UTIL= + SRPM_DEFINE_KMOD= + SRPM_DEFINE_DKMS= + + RPM_SPEC_DIR="rpm/generic" + AC_ARG_WITH([spec], + AS_HELP_STRING([--with-spec=SPEC], + [Spec files 'generic|redhat']), + [RPM_SPEC_DIR="rpm/$withval"]) + + AC_MSG_CHECKING([whether spec files are available]) + AC_MSG_RESULT([yes ($RPM_SPEC_DIR/*.spec.in)]) + + AC_SUBST(HAVE_RPM) + AC_SUBST(RPM) + AC_SUBST(RPM_VERSION) + + AC_SUBST(HAVE_RPMBUILD) + AC_SUBST(RPMBUILD) + AC_SUBST(RPMBUILD_VERSION) + + AC_SUBST(RPM_SPEC_DIR) + AC_SUBST(RPM_DEFINE_UTIL) + AC_SUBST(RPM_DEFINE_KMOD) + AC_SUBST(RPM_DEFINE_DKMS) + AC_SUBST(RPM_DEFINE_COMMON) + AC_SUBST(SRPM_DEFINE_UTIL) + AC_SUBST(SRPM_DEFINE_KMOD) + AC_SUBST(SRPM_DEFINE_DKMS) + AC_SUBST(SRPM_DEFINE_COMMON) +]) + +dnl # +dnl # Check for dpkg+dpkg-buildpackage to build DEB packages. If these +dnl # tools are missing it is non-fatal but you will not be able to build +dnl # DEB packages and will be warned if you try too. +dnl # +AC_DEFUN([SPL_AC_DPKG], [ + DPKG=dpkg + DPKGBUILD=dpkg-buildpackage + + AC_MSG_CHECKING([whether $DPKG is available]) + AS_IF([tmp=$($DPKG --version 2>/dev/null)], [ + DPKG_VERSION=$(echo $tmp | $AWK '/Debian/ { print $[7] }') + HAVE_DPKG=yes + AC_MSG_RESULT([$HAVE_DPKG ($DPKG_VERSION)]) + ],[ + HAVE_DPKG=no + AC_MSG_RESULT([$HAVE_DPKG]) + ]) + + AC_MSG_CHECKING([whether $DPKGBUILD is available]) + AS_IF([tmp=$($DPKGBUILD --version 2>/dev/null)], [ + DPKGBUILD_VERSION=$(echo $tmp | \ + $AWK '/Debian/ { print $[4] }' | cut -f-4 -d'.') + HAVE_DPKGBUILD=yes + AC_MSG_RESULT([$HAVE_DPKGBUILD ($DPKGBUILD_VERSION)]) + ],[ + HAVE_DPKGBUILD=no + AC_MSG_RESULT([$HAVE_DPKGBUILD]) + ]) + + AC_SUBST(HAVE_DPKG) + AC_SUBST(DPKG) + AC_SUBST(DPKG_VERSION) + + AC_SUBST(HAVE_DPKGBUILD) + AC_SUBST(DPKGBUILD) + AC_SUBST(DPKGBUILD_VERSION) +]) + +dnl # +dnl # Until native packaging for various different packing systems +dnl # can be added the least we can do is attempt to use alien to +dnl # convert the RPM packages to the needed package type. This is +dnl # a hack but so far it has worked reasonable well. +dnl # +AC_DEFUN([SPL_AC_ALIEN], [ + ALIEN=alien + + AC_MSG_CHECKING([whether $ALIEN is available]) + AS_IF([tmp=$($ALIEN --version 2>/dev/null)], [ + ALIEN_VERSION=$(echo $tmp | $AWK '{ print $[3] }') + HAVE_ALIEN=yes + AC_MSG_RESULT([$HAVE_ALIEN ($ALIEN_VERSION)]) + ],[ + HAVE_ALIEN=no + AC_MSG_RESULT([$HAVE_ALIEN]) + ]) + + AC_SUBST(HAVE_ALIEN) + AC_SUBST(ALIEN) + AC_SUBST(ALIEN_VERSION) +]) + +dnl # +dnl # Using the VENDOR tag from config.guess set the default +dnl # package type for 'make pkg': (rpm | deb | tgz) +dnl # +AC_DEFUN([SPL_AC_DEFAULT_PACKAGE], [ + AC_MSG_CHECKING([linux distribution]) + if test -f /etc/toss-release ; then + VENDOR=toss ; + elif test -f /etc/fedora-release ; then + VENDOR=fedora ; + elif test -f /etc/redhat-release ; then + VENDOR=redhat ; + elif test -f /etc/gentoo-release ; then + VENDOR=gentoo ; + elif test -f /etc/arch-release ; then + VENDOR=arch ; + elif test -f /etc/SuSE-release ; then + VENDOR=sles ; + elif test -f /etc/slackware-version ; then + VENDOR=slackware ; + elif test -f /etc/lunar.release ; then + VENDOR=lunar ; + elif test -f /etc/lsb-release ; then + VENDOR=ubuntu ; + elif test -f /etc/debian_version ; then + VENDOR=debian ; + else + VENDOR= ; + fi + AC_MSG_RESULT([$VENDOR]) + AC_SUBST(VENDOR) + + AC_MSG_CHECKING([default package type]) + case "$VENDOR" in + toss) DEFAULT_PACKAGE=rpm ;; + redhat) DEFAULT_PACKAGE=rpm ;; + fedora) DEFAULT_PACKAGE=rpm ;; + gentoo) DEFAULT_PACKAGE=tgz ;; + arch) DEFAULT_PACKAGE=tgz ;; + sles) DEFAULT_PACKAGE=rpm ;; + slackware) DEFAULT_PACKAGE=tgz ;; + lunar) DEFAULT_PACKAGE=tgz ;; + ubuntu) DEFAULT_PACKAGE=deb ;; + debian) DEFAULT_PACKAGE=deb ;; + *) DEFAULT_PACKAGE=rpm ;; + esac + + AC_MSG_RESULT([$DEFAULT_PACKAGE]) + AC_SUBST(DEFAULT_PACKAGE) +]) + +dnl # +dnl # Default SPL user configuration +dnl # +AC_DEFUN([SPL_AC_PACKAGE], [ + SPL_AC_DEFAULT_PACKAGE + SPL_AC_RPM + SPL_AC_DPKG + SPL_AC_ALIEN +]) + +AC_DEFUN([SPL_AC_LICENSE], [ + AC_MSG_CHECKING([spl author]) + AC_MSG_RESULT([$SPL_META_AUTHOR]) + + AC_MSG_CHECKING([spl license]) + AC_MSG_RESULT([$SPL_META_LICENSE]) +]) + +AC_DEFUN([SPL_AC_CONFIG], [ + SPL_CONFIG=all + AC_ARG_WITH([config], + AS_HELP_STRING([--with-config=CONFIG], + [Config file 'kernel|user|all|srpm']), + [SPL_CONFIG="$withval"]) + AC_ARG_ENABLE([linux-builtin], + [AC_HELP_STRING([--enable-linux-builtin], + [Configure for builtin in-tree kernel modules @<:@default=no@:>@])], + [], + [enable_linux_builtin=no]) + + AC_MSG_CHECKING([spl config]) + AC_MSG_RESULT([$SPL_CONFIG]); + AC_SUBST(SPL_CONFIG) + + case "$SPL_CONFIG" in + kernel) SPL_AC_CONFIG_KERNEL ;; + user) SPL_AC_CONFIG_USER ;; + all) SPL_AC_CONFIG_KERNEL + SPL_AC_CONFIG_USER ;; + srpm) ;; + *) + AC_MSG_RESULT([Error!]) + AC_MSG_ERROR([Bad value "$SPL_CONFIG" for --with-config, + user kernel|user|all|srpm]) ;; + esac + + AM_CONDITIONAL([CONFIG_USER], + [test "$SPL_CONFIG" = user -o "$SPL_CONFIG" = all]) + AM_CONDITIONAL([CONFIG_KERNEL], + [test "$SPL_CONFIG" = kernel -o "$SPL_CONFIG" = all] && + [test "x$enable_linux_builtin" != xyes ]) +]) + +dnl # +dnl # Enable if the SPL should be compiled with internal debugging enabled. +dnl # By default this support is disabled. +dnl # +AC_DEFUN([SPL_AC_DEBUG], [ + AC_MSG_CHECKING([whether debugging is enabled]) + AC_ARG_ENABLE([debug], + [AS_HELP_STRING([--enable-debug], + [Enable generic debug support @<:@default=no@:>@])], + [], + [enable_debug=no]) + + AS_IF([test "x$enable_debug" = xyes], + [ + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror" + DEBUG_CFLAGS="-DDEBUG -Werror" + DEBUG_SPL="_with_debug" + ], [ + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG" + DEBUG_CFLAGS="-DNDEBUG" + DEBUG_SPL="_without_debug" + ]) + + AC_SUBST(DEBUG_CFLAGS) + AC_SUBST(DEBUG_SPL) + AC_MSG_RESULT([$enable_debug]) +]) + +dnl # +dnl # Enabled by default it provides a minimal level of memory tracking. +dnl # A total count of bytes allocated is kept for each alloc and free. +dnl # Then at module unload time a report to the console will be printed +dnl # if memory was leaked. +dnl # +AC_DEFUN([SPL_AC_DEBUG_KMEM], [ + AC_ARG_ENABLE([debug-kmem], + [AS_HELP_STRING([--enable-debug-kmem], + [Enable basic kmem accounting @<:@default=no@:>@])], + [], + [enable_debug_kmem=no]) + + AS_IF([test "x$enable_debug_kmem" = xyes], + [ + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM" + DEBUG_KMEM="_with_debug_kmem" + AC_DEFINE([DEBUG_KMEM], [1], + [Define to 1 to enable basic kmem accounting]) + ], [ + DEBUG_KMEM="_without_debug_kmem" + ]) + + AC_SUBST(DEBUG_KMEM) + AC_MSG_CHECKING([whether basic kmem accounting is enabled]) + AC_MSG_RESULT([$enable_debug_kmem]) +]) + +dnl # +dnl # Disabled by default it provides detailed memory tracking. This +dnl # feature also requires --enable-debug-kmem to be set. When enabled +dnl # not only will total bytes be tracked but also the location of every +dnl # alloc and free. When the SPL module is unloaded a list of all leaked +dnl # addresses and where they were allocated will be dumped to the console. +dnl # Enabling this feature has a significant impact on performance but it +dnl # makes finding memory leaks pretty straight forward. +dnl # +AC_DEFUN([SPL_AC_DEBUG_KMEM_TRACKING], [ + AC_ARG_ENABLE([debug-kmem-tracking], + [AS_HELP_STRING([--enable-debug-kmem-tracking], + [Enable detailed kmem tracking @<:@default=no@:>@])], + [], + [enable_debug_kmem_tracking=no]) + + AS_IF([test "x$enable_debug_kmem_tracking" = xyes], + [ + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING" + DEBUG_KMEM_TRACKING="_with_debug_kmem_tracking" + AC_DEFINE([DEBUG_KMEM_TRACKING], [1], + [Define to 1 to enable detailed kmem tracking]) + ], [ + DEBUG_KMEM_TRACKING="_without_debug_kmem_tracking" + ]) + + AC_SUBST(DEBUG_KMEM_TRACKING) + AC_MSG_CHECKING([whether detailed kmem tracking is enabled]) + AC_MSG_RESULT([$enable_debug_kmem_tracking]) +]) + +dnl # +dnl # SPL_LINUX_CONFTEST +dnl # +AC_DEFUN([SPL_LINUX_CONFTEST], [ +cat confdefs.h - <<_ACEOF >conftest.c +$1 +_ACEOF +]) + +dnl # +dnl # SPL_LANG_PROGRAM(C)([PROLOGUE], [BODY]) +dnl # +m4_define([SPL_LANG_PROGRAM], [ +$1 +int +main (void) +{ +dnl Do *not* indent the following line: there may be CPP directives. +dnl Don't move the `;' right after for the same reason. +$2 + ; + return 0; +} +]) + +dnl # +dnl # SPL_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE +dnl # +AC_DEFUN([SPL_LINUX_COMPILE_IFELSE], [ + m4_ifvaln([$1], [SPL_LINUX_CONFTEST([$1])]) + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + AS_IF( + [AC_TRY_COMMAND(cp conftest.c build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])], + [$4], + [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])] + ) + rm -Rf build +]) + +dnl # +dnl # SPL_LINUX_TRY_COMPILE like AC_TRY_COMPILE +dnl # +AC_DEFUN([SPL_LINUX_TRY_COMPILE], + [SPL_LINUX_COMPILE_IFELSE( + [AC_LANG_SOURCE([SPL_LANG_PROGRAM([[$1]], [[$2]])])], + [modules], + [test -s build/conftest.o], + [$3], [$4]) +]) + +dnl # +dnl # SPL_CHECK_SYMBOL_EXPORT +dnl # check symbol exported or not +dnl # +AC_DEFUN([SPL_CHECK_SYMBOL_EXPORT], [ + grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ + $LINUX_OBJ/Module*.symvers 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in $2; do + grep -q -E "EXPORT_SYMBOL.*($1)" \ + "$LINUX_OBJ/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + $4 + else : + $3 + fi + else : + $3 + fi +]) + +dnl # +dnl # SPL_LINUX_TRY_COMPILE_SYMBOL +dnl # like SPL_LINUX_TRY_COMPILE, except SPL_CHECK_SYMBOL_EXPORT +dnl # is called if not compiling for builtin +dnl # +AC_DEFUN([SPL_LINUX_TRY_COMPILE_SYMBOL], [ + SPL_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1]) + if test $rc -ne 0; then : + $6 + else + if test "x$enable_linux_builtin" != xyes; then + SPL_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1]) + fi + if test $rc -ne 0; then : + $6 + else : + $5 + fi + fi +]) + +dnl # +dnl # SPL_CHECK_SYMBOL_HEADER +dnl # check if a symbol prototype is defined in listed headers. +dnl # +AC_DEFUN([SPL_CHECK_SYMBOL_HEADER], [ + AC_MSG_CHECKING([whether symbol $1 exists in header]) + header=0 + for file in $3; do + grep -q "$2" "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + header=1 + break; + fi + done + if test $header -eq 0; then + AC_MSG_RESULT([no]) + $5 + else + AC_MSG_RESULT([yes]) + $4 + fi +]) + +dnl # +dnl # SPL_CHECK_HEADER +dnl # check whether header exists and define HAVE_$2_HEADER +dnl # +AC_DEFUN([SPL_CHECK_HEADER], + [AC_MSG_CHECKING([whether header $1 exists]) + SPL_LINUX_TRY_COMPILE([ + #include <$1> + ],[ + return 0; + ],[ + AC_DEFINE(HAVE_$2_HEADER, 1, [$1 exists]) + AC_MSG_RESULT(yes) + $3 + ],[ + AC_MSG_RESULT(no) + $4 + ]) +]) + +dnl # +dnl # Basic toolchain sanity check. Verify that kernel modules can +dnl # be built and which symbols can be used. +dnl # +AC_DEFUN([SPL_AC_TEST_MODULE], + [AC_MSG_CHECKING([whether modules can be built]) + SPL_LINUX_TRY_COMPILE([],[],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + if test "x$enable_linux_builtin" != xyes; then + AC_MSG_ERROR([*** Unable to build an empty module.]) + else + AC_MSG_ERROR([ + *** Unable to build an empty module. + *** Please run 'make scripts' inside the kernel source tree.]) + fi + ]) + + AS_IF([test "x$cross_compiling" != xyes], [ + AC_RUN_IFELSE([ + AC_LANG_PROGRAM([ + #include "$LINUX/include/linux/license.h" + ], [ + return !license_is_gpl_compatible( + "$SPL_META_LICENSE"); + ]) + ], [ + AC_DEFINE([SPL_IS_GPL_COMPATIBLE], [1], + [Define to 1 if GPL-only symbols can be used]) + ], [ + ]) + ]) +]) + +dnl # +dnl # Use the atomic implemenation based on global spinlocks. This +dnl # should only be needed by 32-bit kernels which do not provide +dnl # the atomic64_* API. It may be optionally enabled as a fallback +dnl # if problems are observed with the direct mapping to the native +dnl # Linux atomic operations. You may not disable atomic spinlocks +dnl # if you kernel does not an atomic64_* API. +dnl # +AC_DEFUN([SPL_AC_ATOMIC_SPINLOCK], [ + AC_ARG_ENABLE([atomic-spinlocks], + [AS_HELP_STRING([--enable-atomic-spinlocks], + [Atomic types use spinlocks @<:@default=check@:>@])], + [], + [enable_atomic_spinlocks=check]) + + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + atomic64_t *ptr __attribute__ ((unused)); + ],[ + have_atomic64_t=yes + AC_DEFINE(HAVE_ATOMIC64_T, 1, + [kernel defines atomic64_t]) + ],[ + have_atomic64_t=no + ]) + + AS_IF([test "x$enable_atomic_spinlocks" = xcheck], [ + AS_IF([test "x$have_atomic64_t" = xyes], [ + enable_atomic_spinlocks=no + ],[ + enable_atomic_spinlocks=yes + ]) + ]) + + AS_IF([test "x$enable_atomic_spinlocks" = xyes], [ + AC_DEFINE([ATOMIC_SPINLOCK], [1], + [Atomic types use spinlocks]) + ],[ + AS_IF([test "x$have_atomic64_t" = xno], [ + AC_MSG_FAILURE( + [--disable-atomic-spinlocks given but required atomic64 support is unavailable]) + ]) + ]) + + AC_MSG_CHECKING([whether atomic types use spinlocks]) + AC_MSG_RESULT([$enable_atomic_spinlocks]) + + AC_MSG_CHECKING([whether kernel defines atomic64_t]) + AC_MSG_RESULT([$have_atomic64_t]) +]) + +AC_DEFUN([SPL_AC_SHRINKER_CALLBACK],[ + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + dnl # + dnl # 2.6.23 to 2.6.34 API change + dnl # ->shrink(int nr_to_scan, gfp_t gfp_mask) + dnl # + AC_MSG_CHECKING([whether old 2-argument shrinker exists]) + SPL_LINUX_TRY_COMPILE([ + #include + + int shrinker_cb(int nr_to_scan, gfp_t gfp_mask); + ],[ + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_OLD_SHRINKER_CALLBACK, 1, + [old shrinker callback wants 2 args]) + ],[ + AC_MSG_RESULT(no) + dnl # + dnl # 2.6.35 - 2.6.39 API change + dnl # ->shrink(struct shrinker *, + dnl # int nr_to_scan, gfp_t gfp_mask) + dnl # + AC_MSG_CHECKING([whether old 3-argument shrinker exists]) + SPL_LINUX_TRY_COMPILE([ + #include + + int shrinker_cb(struct shrinker *, int nr_to_scan, + gfp_t gfp_mask); + ],[ + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_3ARGS_SHRINKER_CALLBACK, 1, + [old shrinker callback wants 3 args]) + ],[ + AC_MSG_RESULT(no) + dnl # + dnl # 3.0 - 3.11 API change + dnl # ->shrink(struct shrinker *, + dnl # struct shrink_control *sc) + dnl # + AC_MSG_CHECKING( + [whether new 2-argument shrinker exists]) + SPL_LINUX_TRY_COMPILE([ + #include + + int shrinker_cb(struct shrinker *, + struct shrink_control *sc); + ],[ + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_NEW_SHRINKER_CALLBACK, 1, + [new shrinker callback wants 2 args]) + ],[ + AC_MSG_RESULT(no) + dnl # + dnl # 3.12 API change, + dnl # ->shrink() is logically split in to + dnl # ->count_objects() and ->scan_objects() + dnl # + AC_MSG_CHECKING( + [whether ->count_objects callback exists]) + SPL_LINUX_TRY_COMPILE([ + #include + + unsigned long shrinker_cb( + struct shrinker *, + struct shrink_control *sc); + ],[ + struct shrinker cache_shrinker = { + .count_objects = shrinker_cb, + .scan_objects = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SPLIT_SHRINKER_CALLBACK, + 1, [->count_objects exists]) + ],[ + AC_MSG_ERROR(error) + ]) + ]) + ]) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # 2.6.33 API change, +dnl # Removed .ctl_name from struct ctl_table. +dnl # +AC_DEFUN([SPL_AC_CTL_NAME], [ + AC_MSG_CHECKING([whether struct ctl_table has ctl_name]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct ctl_table ctl __attribute__ ((unused)); + ctl.ctl_name = 0; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CTL_NAME, 1, [struct ctl_table has ctl_name]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.10 API change, +dnl # PDE is replaced by PDE_DATA +dnl # +AC_DEFUN([SPL_AC_PDE_DATA], [ + AC_MSG_CHECKING([whether PDE_DATA() is available]) + SPL_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + PDE_DATA(NULL); + ], [PDE_DATA], [], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PDE_DATA, 1, [yes]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.9 API change +dnl # set_fs_pwd takes const struct path * +dnl # +AC_DEFUN([SPL_AC_SET_FS_PWD_WITH_CONST], + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + [AC_MSG_CHECKING([whether set_fs_pwd() requires const struct path *]) + SPL_LINUX_TRY_COMPILE([ + #include + #include + #include + void (*const set_fs_pwd_func) + (struct fs_struct *, const struct path *) + = set_fs_pwd; + ],[ + return 0; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SET_FS_PWD_WITH_CONST, 1, + [set_fs_pwd() needs const path *]) + ],[ + SPL_LINUX_TRY_COMPILE([ + #include + #include + #include + void (*const set_fs_pwd_func) + (struct fs_struct *, struct path *) + = set_fs_pwd; + ],[ + return 0; + ],[ + AC_MSG_RESULT(no) + ],[ + AC_MSG_ERROR(unknown) + ]) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # 3.13 API change +dnl # vfs_unlink() updated to take a third delegated_inode argument. +dnl # +AC_DEFUN([SPL_AC_2ARGS_VFS_UNLINK], + [AC_MSG_CHECKING([whether vfs_unlink() wants 2 args]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_unlink((struct inode *) NULL, (struct dentry *) NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_VFS_UNLINK, 1, + [vfs_unlink() wants 2 args]) + ],[ + AC_MSG_RESULT(no) + dnl # + dnl # Linux 3.13 API change + dnl # Added delegated inode + dnl # + AC_MSG_CHECKING([whether vfs_unlink() wants 3 args]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_unlink((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_3ARGS_VFS_UNLINK, 1, + [vfs_unlink() wants 3 args]) + ],[ + AC_MSG_ERROR(no) + ]) + + ]) +]) + +dnl # +dnl # 3.13 and 3.15 API changes +dnl # Added delegated inode and flags argument. +dnl # +AC_DEFUN([SPL_AC_4ARGS_VFS_RENAME], + [AC_MSG_CHECKING([whether vfs_rename() wants 4 args]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_rename((struct inode *) NULL, (struct dentry *) NULL, + (struct inode *) NULL, (struct dentry *) NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_4ARGS_VFS_RENAME, 1, + [vfs_rename() wants 4 args]) + ],[ + AC_MSG_RESULT(no) + dnl # + dnl # Linux 3.13 API change + dnl # Added delegated inode + dnl # + AC_MSG_CHECKING([whether vfs_rename() wants 5 args]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_rename((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_5ARGS_VFS_RENAME, 1, + [vfs_rename() wants 5 args]) + ],[ + AC_MSG_RESULT(no) + dnl # + dnl # Linux 3.15 API change + dnl # Added flags + dnl # + AC_MSG_CHECKING([whether vfs_rename() wants 6 args]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_rename((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL, + (unsigned int) 0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_6ARGS_VFS_RENAME, 1, + [vfs_rename() wants 6 args]) + ],[ + AC_MSG_ERROR(no) + ]) + ]) + ]) +]) + +dnl # +dnl # 2.6.36 API change, +dnl # The 'struct fs_struct->lock' was changed from a rwlock_t to +dnl # a spinlock_t to improve the fastpath performance. +dnl # +AC_DEFUN([SPL_AC_FS_STRUCT_SPINLOCK], [ + AC_MSG_CHECKING([whether struct fs_struct uses spinlock_t]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include + #include + ],[ + static struct fs_struct fs; + spin_lock_init(&fs.lock); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FS_STRUCT_SPINLOCK, 1, + [struct fs_struct uses spinlock_t]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # User namespaces, use kuid_t in place of uid_t +dnl # where available. Not strictly a user namespaces thing +dnl # but it should prevent surprises +dnl # +AC_DEFUN([SPL_AC_KUIDGID_T], [ + AC_MSG_CHECKING([whether kuid_t/kgid_t is available]) + SPL_LINUX_TRY_COMPILE([ + #include + ], [ + kuid_t userid = KUIDT_INIT(0); + kgid_t groupid = KGIDT_INIT(0); + ],[ + SPL_LINUX_TRY_COMPILE([ + #include + ], [ + kuid_t userid = 0; + kgid_t groupid = 0; + ],[ + AC_MSG_RESULT(yes; optional) + ],[ + AC_MSG_RESULT(yes; mandatory) + AC_DEFINE(HAVE_KUIDGID_T, 1, [kuid_t/kgid_t in use]) + ]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.39 API change, +dnl # __put_task_struct() was exported by the mainline kernel. +dnl # +AC_DEFUN([SPL_AC_PUT_TASK_STRUCT], + [AC_MSG_CHECKING([whether __put_task_struct() is available]) + SPL_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + __put_task_struct(NULL); + ], [__put_task_struct], [], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PUT_TASK_STRUCT, 1, + [__put_task_struct() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.35 API change, +dnl # Unused 'struct dentry *' removed from vfs_fsync() prototype. +dnl # +AC_DEFUN([SPL_AC_2ARGS_VFS_FSYNC], [ + AC_MSG_CHECKING([whether vfs_fsync() wants 2 args]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_fsync(NULL, 0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_VFS_FSYNC, 1, [vfs_fsync() wants 2 args]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.5 API change, +dnl # inode_operations.truncate_range removed +dnl # +AC_DEFUN([SPL_AC_INODE_TRUNCATE_RANGE], [ + AC_MSG_CHECKING([whether truncate_range() inode operation is available]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct inode_operations ops; + ops.truncate_range = NULL; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_TRUNCATE_RANGE, 1, + [truncate_range() inode operation is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # Linux 2.6.38 - 3.x API +dnl # +AC_DEFUN([SPL_AC_KERNEL_FILE_FALLOCATE], [ + AC_MSG_CHECKING([whether fops->fallocate() exists]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL; + struct file_operations fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # Linux 2.6.x - 2.6.37 API +dnl # +AC_DEFUN([SPL_AC_KERNEL_INODE_FALLOCATE], [ + AC_MSG_CHECKING([whether iops->fallocate() exists]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL; + struct inode_operations fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_FALLOCATE, 1, [fops->fallocate() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # PaX Linux 2.6.38 - 3.x API +dnl # +AC_DEFUN([SPL_AC_PAX_KERNEL_FILE_FALLOCATE], [ + AC_MSG_CHECKING([whether fops->fallocate() exists]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL; + struct file_operations_no_const fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # The fallocate callback was moved from the inode_operations +dnl # structure to the file_operations structure. +dnl # +AC_DEFUN([SPL_AC_KERNEL_FALLOCATE], [ + SPL_AC_KERNEL_FILE_FALLOCATE + SPL_AC_KERNEL_INODE_FALLOCATE + SPL_AC_PAX_KERNEL_FILE_FALLOCATE +]) + +dnl # +dnl # zlib inflate compat, +dnl # Verify the kernel has CONFIG_ZLIB_INFLATE support enabled. +dnl # +AC_DEFUN([SPL_AC_CONFIG_ZLIB_INFLATE], [ + AC_MSG_CHECKING([whether CONFIG_ZLIB_INFLATE is defined]) + SPL_LINUX_TRY_COMPILE([ + #if !defined(CONFIG_ZLIB_INFLATE) && \ + !defined(CONFIG_ZLIB_INFLATE_MODULE) + #error CONFIG_ZLIB_INFLATE not defined + #endif + ],[ ],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([ + *** This kernel does not include the required zlib inflate support. + *** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set.]) + ]) +]) + +dnl # +dnl # zlib deflate compat, +dnl # Verify the kernel has CONFIG_ZLIB_DEFLATE support enabled. +dnl # +AC_DEFUN([SPL_AC_CONFIG_ZLIB_DEFLATE], [ + AC_MSG_CHECKING([whether CONFIG_ZLIB_DEFLATE is defined]) + SPL_LINUX_TRY_COMPILE([ + #if !defined(CONFIG_ZLIB_DEFLATE) && \ + !defined(CONFIG_ZLIB_DEFLATE_MODULE) + #error CONFIG_ZLIB_DEFLATE not defined + #endif + ],[ ],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([ + *** This kernel does not include the required zlib deflate support. + *** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set.]) + ]) +]) + +dnl # +dnl # config trim unused symbols, +dnl # Verify the kernel has CONFIG_TRIM_UNUSED_KSYMS DISABLED. +dnl # +AC_DEFUN([SPL_AC_CONFIG_TRIM_UNUSED_KSYMS], [ + AC_MSG_CHECKING([whether CONFIG_TRIM_UNUSED_KSYM is disabled]) + SPL_LINUX_TRY_COMPILE([ + #if defined(CONFIG_TRIM_UNUSED_KSYMS) + #error CONFIG_TRIM_UNUSED_KSYMS not defined + #endif + ],[ ],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([ + *** This kernel has unused symbols trimming enabled, please disable. + *** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set.]) + ]) +]) + +dnl # +dnl # 2.6.39 API compat, +dnl # The function zlib_deflate_workspacesize() now take 2 arguments. +dnl # This was done to avoid always having to allocate the maximum size +dnl # workspace (268K). The caller can now specific the windowBits and +dnl # memLevel compression parameters to get a smaller workspace. +dnl # +AC_DEFUN([SPL_AC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE], + [AC_MSG_CHECKING([whether zlib_deflate_workspacesize() wants 2 args]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE, 1, + [zlib_deflate_workspacesize() wants 2 args]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.39 API change, +dnl # Shrinker adjust to use common shrink_control structure. +dnl # +AC_DEFUN([SPL_AC_SHRINK_CONTROL_STRUCT], [ + AC_MSG_CHECKING([whether struct shrink_control exists]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct shrink_control sc __attribute__ ((unused)); + + sc.nr_to_scan = 0; + sc.gfp_mask = GFP_KERNEL; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SHRINK_CONTROL_STRUCT, 1, + [struct shrink_control exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.1 API Change +dnl # +dnl # The rw_semaphore.wait_lock member was changed from spinlock_t to +dnl # raw_spinlock_t at commit ddb6c9b58a19edcfac93ac670b066c836ff729f1. +dnl # +AC_DEFUN([SPL_AC_RWSEM_SPINLOCK_IS_RAW], [ + AC_MSG_CHECKING([whether struct rw_semaphore member wait_lock is raw]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct rw_semaphore dummy_semaphore __attribute__ ((unused)); + raw_spinlock_t dummy_lock __attribute__ ((unused)); + dummy_semaphore.wait_lock = dummy_lock; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(RWSEM_SPINLOCK_IS_RAW, 1, + [struct rw_semaphore member wait_lock is raw_spinlock_t]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # 3.16 API Change +dnl # +dnl # rwsem-spinlock "->activity" changed to "->count" +dnl # +AC_DEFUN([SPL_AC_RWSEM_ACTIVITY], [ + AC_MSG_CHECKING([whether struct rw_semaphore has member activity]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct rw_semaphore dummy_semaphore __attribute__ ((unused)); + dummy_semaphore.activity = 0; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_RWSEM_ACTIVITY, 1, + [struct rw_semaphore has member activity]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # 4.8 API Change +dnl # +dnl # rwsem "->count" changed to atomic_long_t type +dnl # +AC_DEFUN([SPL_AC_RWSEM_ATOMIC_LONG_COUNT], [ + AC_MSG_CHECKING( + [whether struct rw_semaphore has atomic_long_t member count]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + DECLARE_RWSEM(dummy_semaphore); + (void) atomic_long_read(&dummy_semaphore.count); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_RWSEM_ATOMIC_LONG_COUNT, 1, + [struct rw_semaphore has atomic_long_t member count]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # 3.9 API change, +dnl # Moved things from linux/sched.h to linux/sched/rt.h +dnl # +AC_DEFUN([SPL_AC_SCHED_RT_HEADER], + [AC_MSG_CHECKING([whether header linux/sched/rt.h exists]) + SPL_LINUX_TRY_COMPILE([ + #include + #include + ],[ + return 0; + ],[ + AC_DEFINE(HAVE_SCHED_RT_HEADER, 1, [linux/sched/rt.h exists]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.9 API change, +dnl # vfs_getattr() uses 2 args +dnl # It takes struct path * instead of struct vfsmount * and struct dentry * +dnl # +AC_DEFUN([SPL_AC_2ARGS_VFS_GETATTR], [ + AC_MSG_CHECKING([whether vfs_getattr() wants]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_getattr((struct path *) NULL, + (struct kstat *)NULL); + ],[ + AC_MSG_RESULT(2 args) + AC_DEFINE(HAVE_2ARGS_VFS_GETATTR, 1, + [vfs_getattr wants 2 args]) + ],[ + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + vfs_getattr((struct vfsmount *)NULL, + (struct dentry *)NULL, + (struct kstat *)NULL); + ],[ + AC_MSG_RESULT(3 args) + ],[ + AC_MSG_ERROR(unknown) + ]) + ]) +]) + +dnl # +dnl # 2.6.36 API compatibility. +dnl # Added usleep_range timer. +dnl # usleep_range is a finer precision implementation of msleep +dnl # designed to be a drop-in replacement for udelay where a precise +dnl # sleep / busy-wait is unnecessary. +dnl # +AC_DEFUN([SPL_AC_USLEEP_RANGE], [ + AC_MSG_CHECKING([whether usleep_range() is available]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + usleep_range(0, 0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_USLEEP_RANGE, 1, + [usleep_range is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.35 API change, +dnl # The cachep->gfpflags member was renamed cachep->allocflags. These are +dnl # private allocation flags which are applied when allocating a new slab +dnl # in kmem_getpages(). Unfortunately there is no public API for setting +dnl # non-default flags. +dnl # +AC_DEFUN([SPL_AC_KMEM_CACHE_ALLOCFLAGS], [ + AC_MSG_CHECKING([whether struct kmem_cache has allocflags]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct kmem_cache cachep __attribute__ ((unused)); + cachep.allocflags = GFP_KERNEL; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_KMEM_CACHE_ALLOCFLAGS, 1, + [struct kmem_cache has allocflags]) + ],[ + AC_MSG_RESULT(no) + + AC_MSG_CHECKING([whether struct kmem_cache has gfpflags]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct kmem_cache cachep __attribute__ ((unused)); + cachep.gfpflags = GFP_KERNEL; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_KMEM_CACHE_GFPFLAGS, 1, + [struct kmem_cache has gfpflags]) + ],[ + AC_MSG_RESULT(no) + ]) + ]) +]) + +dnl # +dnl # 3.17 API change, +dnl # wait_on_bit() no longer requires an action argument. The former +dnl # "wait_on_bit" interface required an 'action' function to be provided +dnl # which does the actual waiting. There were over 20 such functions in the +dnl # kernel, many of them identical, though most cases can be satisfied by one +dnl # of just two functions: one which uses io_schedule() and one which just +dnl # uses schedule(). This API change was made to consolidate all of those +dnl # redundant wait functions. +dnl # +AC_DEFUN([SPL_AC_WAIT_ON_BIT], [ + AC_MSG_CHECKING([whether wait_on_bit() takes an action]) + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + int (*action)(void *) = NULL; + wait_on_bit(NULL, 0, action, 0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_WAIT_ON_BIT_ACTION, 1, [yes]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 4.7 API change +dnl # i_mutex is changed to i_rwsem. Instead of directly using +dnl # i_mutex/i_rwsem, we should use inode_lock() and inode_lock_shared() +dnl # We test inode_lock_shared because inode_lock is introduced earlier. +dnl # +AC_DEFUN([SPL_AC_INODE_LOCK], [ + AC_MSG_CHECKING([whether inode_lock_shared() exists]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct inode *inode = NULL; + inode_lock_shared(inode); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_LOCK_SHARED, 1, [yes]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # Check whether mutex has owner with task_struct type. +dnl # +dnl # Note that before Linux 3.0, mutex owner is of type thread_info. +dnl # +dnl # Note that in Linux 3.18, the condition for owner is changed from +dnl # defined(CONFIG_DEBUG_MUTEXES) || defined(CONFIG_SMP) to +dnl # defined(CONFIG_DEBUG_MUTEXES) || defined(CONFIG_MUTEX_SPIN_ON_OWNER) +dnl # +AC_DEFUN([SPL_AC_MUTEX_OWNER], [ + AC_MSG_CHECKING([whether mutex has owner]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include + #include + ],[ + DEFINE_MUTEX(m); + struct task_struct *t __attribute__ ((unused)); + t = m.owner; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_MUTEX_OWNER, 1, [yes]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +dnl # +dnl # 4.9 API change +dnl # group_info changed from 2d array via >blocks to 1d array via ->gid +dnl # +AC_DEFUN([SPL_AC_GROUP_INFO_GID], [ + AC_MSG_CHECKING([whether group_info->gid exists]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include + ],[ + struct group_info *gi = groups_alloc(1); + gi->gid[0] = KGIDT_INIT(0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GROUP_INFO_GID, 1, [group_info->gid exists]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/spl/config/spl-meta.m4 b/spl/config/spl-meta.m4 new file mode 100644 index 000000000000..0561fbbc580e --- /dev/null +++ b/spl/config/spl-meta.m4 @@ -0,0 +1,162 @@ +dnl # +dnl # DESCRIPTION: +dnl # Read meta data from the META file. When building from a git repository +dnl # the SPL_META_RELEASE field will be overwritten if there is an annotated +dnl # tag matching the form SPL_META_NAME-SPL_META_VERSION-*. This allows +dnl # for working builds to be uniquely identified using the git commit hash. +dnl # +dnl # The META file format is as follows: +dnl # ^[ ]*KEY:[ \t]+VALUE$ +dnl # +dnl # In other words: +dnl # - KEY is separated from VALUE by a colon and one or more spaces/tabs. +dnl # - KEY and VALUE are case sensitive. +dnl # - Leading spaces are ignored. +dnl # - First match wins for duplicate keys. +dnl # +dnl # A line can be commented out by preceding it with a '#' (or technically +dnl # any non-space character since that will prevent the regex from +dnl # matching). +dnl # +dnl # WARNING: +dnl # Placing a colon followed by a space or tab (ie, ":[ \t]+") within the +dnl # VALUE will prematurely terminate the string since that sequence is +dnl # used as the awk field separator. +dnl # +dnl # KEYS: +dnl # The following META keys are recognized: +dnl # Name, Version, Release, Date, Author, LT_Current, LT_Revision, LT_Age +dnl # +dnl # Written by Chris Dunlap . +dnl # Modified by Brian Behlendorf . +dnl # +AC_DEFUN([SPL_AC_META], [ + AC_PROG_AWK + AC_MSG_CHECKING([metadata]) + + META="$srcdir/META" + _spl_ac_meta_type="none" + if test -f "$META"; then + _spl_ac_meta_type="META file" + + SPL_META_NAME=_SPL_AC_META_GETVAL([(Name|Project|Package)]); + if test -n "$SPL_META_NAME"; then + AC_DEFINE_UNQUOTED([SPL_META_NAME], ["$SPL_META_NAME"], + [Define the project name.] + ) + AC_SUBST([SPL_META_NAME]) + fi + + SPL_META_VERSION=_SPL_AC_META_GETVAL([Version]); + if test -n "$SPL_META_VERSION"; then + AC_DEFINE_UNQUOTED([SPL_META_VERSION], ["$SPL_META_VERSION"], + [Define the project version.] + ) + AC_SUBST([SPL_META_VERSION]) + fi + + SPL_META_RELEASE=_SPL_AC_META_GETVAL([Release]); + if test ! -f ".nogitrelease" && git rev-parse --git-dir > /dev/null 2>&1; then + _match="${SPL_META_NAME}-${SPL_META_VERSION}" + _alias=$(git describe --match=${_match} 2>/dev/null) + _release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g') + if test -n "${_release}"; then + SPL_META_RELEASE=${_release} + _spl_ac_meta_type="git describe" + fi + fi + + if test -n "$SPL_META_RELEASE"; then + AC_DEFINE_UNQUOTED([SPL_META_RELEASE], ["$SPL_META_RELEASE"], + [Define the project release.] + ) + AC_SUBST([SPL_META_RELEASE]) + + RELEASE="$SPL_META_RELEASE" + AC_SUBST([RELEASE]) + fi + + SPL_META_LICENSE=_SPL_AC_META_GETVAL([License]); + if test -n "$SPL_META_LICENSE"; then + AC_DEFINE_UNQUOTED([SPL_META_LICENSE], ["$SPL_META_LICENSE"], + [Define the project license.] + ) + AC_SUBST([SPL_META_LICENSE]) + fi + + if test -n "$SPL_META_NAME" -a -n "$SPL_META_VERSION"; then + SPL_META_ALIAS="$SPL_META_NAME-$SPL_META_VERSION" + test -n "$SPL_META_RELEASE" && + SPL_META_ALIAS="$SPL_META_ALIAS-$SPL_META_RELEASE" + AC_DEFINE_UNQUOTED([SPL_META_ALIAS], + ["$SPL_META_ALIAS"], + [Define the project alias string.] + ) + AC_SUBST([SPL_META_ALIAS]) + fi + + SPL_META_DATA=_SPL_AC_META_GETVAL([Date]); + if test -n "$SPL_META_DATA"; then + AC_DEFINE_UNQUOTED([SPL_META_DATA], ["$SPL_META_DATA"], + [Define the project release date.] + ) + AC_SUBST([SPL_META_DATA]) + fi + + SPL_META_AUTHOR=_SPL_AC_META_GETVAL([Author]); + if test -n "$SPL_META_AUTHOR"; then + AC_DEFINE_UNQUOTED([SPL_META_AUTHOR], ["$SPL_META_AUTHOR"], + [Define the project author.] + ) + AC_SUBST([SPL_META_AUTHOR]) + fi + + m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$]) + SPL_META_LT_CURRENT=_SPL_AC_META_GETVAL([LT_Current]); + SPL_META_LT_REVISION=_SPL_AC_META_GETVAL([LT_Revision]); + SPL_META_LT_AGE=_SPL_AC_META_GETVAL([LT_Age]); + if test -n "$SPL_META_LT_CURRENT" \ + -o -n "$SPL_META_LT_REVISION" \ + -o -n "$SPL_META_LT_AGE"; then + test -n "$SPL_META_LT_CURRENT" || SPL_META_LT_CURRENT="0" + test -n "$SPL_META_LT_REVISION" || SPL_META_LT_REVISION="0" + test -n "$SPL_META_LT_AGE" || SPL_META_LT_AGE="0" + AC_DEFINE_UNQUOTED([SPL_META_LT_CURRENT], + ["$SPL_META_LT_CURRENT"], + [Define the libtool library 'current' + version information.] + ) + AC_DEFINE_UNQUOTED([SPL_META_LT_REVISION], + ["$SPL_META_LT_REVISION"], + [Define the libtool library 'revision' + version information.] + ) + AC_DEFINE_UNQUOTED([SPL_META_LT_AGE], ["$SPL_META_LT_AGE"], + [Define the libtool library 'age' + version information.] + ) + AC_SUBST([SPL_META_LT_CURRENT]) + AC_SUBST([SPL_META_LT_REVISION]) + AC_SUBST([SPL_META_LT_AGE]) + fi + fi + + AC_MSG_RESULT([$_spl_ac_meta_type]) + ] +) + +dnl # _SPL_AC_META_GETVAL (KEY_NAME_OR_REGEX) +dnl # +dnl # Returns the META VALUE associated with the given KEY_NAME_OR_REGEX expr. +dnl # +dnl # Despite their resemblance to line noise, +dnl # the "@<:@" and "@:>@" constructs are quadrigraphs for "[" and "]". +dnl # +dnl # +dnl # The "$[]1" and "$[]2" constructs prevent M4 parameter expansion +dnl # so a literal $1 and $2 will be passed to the resulting awk script, +dnl # whereas the "$1" will undergo M4 parameter expansion for the META key. +dnl # +AC_DEFUN([_SPL_AC_META_GETVAL], + [`$AWK -F ':@<:@ \t@:>@+' '$[]1 ~ /^ *$1$/ { print $[]2; exit }' $META`]dnl +) diff --git a/spl/config/tgz.am b/spl/config/tgz.am new file mode 100644 index 000000000000..765be43b94c9 --- /dev/null +++ b/spl/config/tgz.am @@ -0,0 +1,44 @@ +############################################################################### +# Copyright (C) 2010 Lawrence Livermore National Security, LLC. +# Written by Brian Behlendorf . +############################################################################### +# Build targets for TGZ packages. +# +# Long term native distro specific Slackware style packaging should be added. +# In the short term RPM packages are built and converted to TGZ packages +# using alien. If someone familiar with Slackware style packaging were to +# update the build system to correctly build Slackware style packages I would +# happily take it. Until then we will have to make due with alien. +# +############################################################################### + +tgz-local: + @(if test "${HAVE_ALIEN}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${ALIEN} missing. Please install the\n" \ + "*** package for your distribution which provides ${ALIEN},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi) + +tgz-kmod: tgz-local rpm-kmod +if CONFIG_KERNEL + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-kmod-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=kmod-$${name}*$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --scripts --to-tgz $$pkg1; \ + $(RM) $$pkg1 +endif + +tgz-utils: tgz-local rpm-utils +if CONFIG_USER + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=$${name}-$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --scripts --to-tgz $$pkg1; \ + $(RM) $$pkg1 +endif + +tgz: tgz-kmod tgz-utils diff --git a/spl/configure b/spl/configure new file mode 100755 index 000000000000..5e323aeee320 --- /dev/null +++ b/spl/configure @@ -0,0 +1,20644 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for spl 0.6.5.9. +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 + + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. 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Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main () +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_func +cat >config.log <<_ACEOF +This file contains any messages produced by compilers while +running configure, to aid debugging if configure makes a mistake. + +It was created by spl $as_me 0.6.5.9, which was +generated by GNU Autoconf 2.69. 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"run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AWK+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +$as_echo "$AWK" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AWK" && break +done + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking metadata" >&5 +$as_echo_n "checking metadata... " >&6; } + + META="$srcdir/META" + _spl_ac_meta_type="none" + if test -f "$META"; then + _spl_ac_meta_type="META file" + + SPL_META_NAME=`$AWK -F ':[ \t]+' '$1 ~ /^ *(Name|Project|Package)$/ { print $2; exit }' $META`; + if test -n "$SPL_META_NAME"; then + +cat >>confdefs.h <<_ACEOF +#define SPL_META_NAME "$SPL_META_NAME" +_ACEOF + + + fi + + SPL_META_VERSION=`$AWK -F ':[ \t]+' '$1 ~ /^ *Version$/ { print $2; exit }' $META`; + if test -n "$SPL_META_VERSION"; then + +cat >>confdefs.h <<_ACEOF +#define SPL_META_VERSION "$SPL_META_VERSION" +_ACEOF + + + fi + + SPL_META_RELEASE=`$AWK -F ':[ \t]+' '$1 ~ /^ *Release$/ { print $2; exit }' $META`; + if test ! -f ".nogitrelease" && git rev-parse --git-dir > /dev/null 2>&1; then + _match="${SPL_META_NAME}-${SPL_META_VERSION}" + _alias=$(git describe --match=${_match} 2>/dev/null) + _release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g') + if test -n "${_release}"; then + SPL_META_RELEASE=${_release} + _spl_ac_meta_type="git describe" + fi + fi + + if test -n "$SPL_META_RELEASE"; then + +cat >>confdefs.h <<_ACEOF +#define SPL_META_RELEASE "$SPL_META_RELEASE" +_ACEOF + + + + RELEASE="$SPL_META_RELEASE" + + fi + + SPL_META_LICENSE=`$AWK -F ':[ \t]+' '$1 ~ /^ *License$/ { print $2; exit }' $META`; + if test -n "$SPL_META_LICENSE"; then + +cat >>confdefs.h <<_ACEOF +#define SPL_META_LICENSE "$SPL_META_LICENSE" +_ACEOF + + + fi + + if test -n "$SPL_META_NAME" -a -n "$SPL_META_VERSION"; then + SPL_META_ALIAS="$SPL_META_NAME-$SPL_META_VERSION" + test -n "$SPL_META_RELEASE" && + SPL_META_ALIAS="$SPL_META_ALIAS-$SPL_META_RELEASE" + +cat >>confdefs.h <<_ACEOF +#define SPL_META_ALIAS "$SPL_META_ALIAS" +_ACEOF + + + fi + + SPL_META_DATA=`$AWK -F ':[ \t]+' '$1 ~ /^ *Date$/ { print $2; exit }' $META`; + if test -n "$SPL_META_DATA"; then + +cat >>confdefs.h <<_ACEOF +#define SPL_META_DATA "$SPL_META_DATA" +_ACEOF + + + fi + + SPL_META_AUTHOR=`$AWK -F ':[ \t]+' '$1 ~ /^ *Author$/ { print $2; exit }' $META`; + if test -n "$SPL_META_AUTHOR"; then + +cat >>confdefs.h <<_ACEOF +#define SPL_META_AUTHOR "$SPL_META_AUTHOR" +_ACEOF + + + fi + + + SPL_META_LT_CURRENT=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Current$/ { print $2; exit }' $META`; + SPL_META_LT_REVISION=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Revision$/ { print $2; exit }' $META`; + SPL_META_LT_AGE=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Age$/ { print $2; exit }' $META`; + if test -n "$SPL_META_LT_CURRENT" \ + -o -n "$SPL_META_LT_REVISION" \ + -o -n "$SPL_META_LT_AGE"; then + test -n "$SPL_META_LT_CURRENT" || SPL_META_LT_CURRENT="0" + test -n "$SPL_META_LT_REVISION" || SPL_META_LT_REVISION="0" + test -n "$SPL_META_LT_AGE" || SPL_META_LT_AGE="0" + +cat >>confdefs.h <<_ACEOF +#define SPL_META_LT_CURRENT "$SPL_META_LT_CURRENT" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define SPL_META_LT_REVISION "$SPL_META_LT_REVISION" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define SPL_META_LT_AGE "$SPL_META_LT_AGE" +_ACEOF + + + + + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $_spl_ac_meta_type" >&5 +$as_echo "$_spl_ac_meta_type" >&6; } + + +ac_aux_dir= +for ac_dir in config "$srcdir"/config; do + if test -f "$ac_dir/install-sh"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install-sh -c" + break + elif test -f "$ac_dir/install.sh"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install.sh -c" + break + elif test -f "$ac_dir/shtool"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/shtool install -c" + break + fi +done +if test -z "$ac_aux_dir"; then + as_fn_error $? "cannot find install-sh, install.sh, or shtool in config \"$srcdir\"/config" "$LINENO" 5 +fi + +# These three variables are undocumented and unsupported, +# and are intended to be withdrawn in a future Autoconf release. +# They can cause serious problems if a builder's source tree is in a directory +# whose full name contains unusual characters. +ac_config_guess="$SHELL $ac_aux_dir/config.guess" # Please don't use this var. +ac_config_sub="$SHELL $ac_aux_dir/config.sub" # Please don't use this var. +ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var. + + + +# Make sure we can run config.sub. +$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || + as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 +$as_echo_n "checking build system type... " >&6; } +if ${ac_cv_build+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_build_alias=$build_alias +test "x$ac_build_alias" = x && + ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"` +test "x$ac_build_alias" = x && + as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5 +ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5 + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 +$as_echo "$ac_cv_build" >&6; } +case $ac_cv_build in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;; +esac +build=$ac_cv_build +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_build +shift +build_cpu=$1 +build_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +build_os=$* +IFS=$ac_save_IFS +case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 +$as_echo_n "checking host system type... " >&6; } +if ${ac_cv_host+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$host_alias" = x; then + ac_cv_host=$ac_cv_build +else + ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5 +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 +$as_echo "$ac_cv_host" >&6; } +case $ac_cv_host in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;; +esac +host=$ac_cv_host +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_host +shift +host_cpu=$1 +host_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +host_os=$* +IFS=$ac_save_IFS +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5 +$as_echo_n "checking target system type... " >&6; } +if ${ac_cv_target+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$target_alias" = x; then + ac_cv_target=$ac_cv_host +else + ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5 +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5 +$as_echo "$ac_cv_target" >&6; } +case $ac_cv_target in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;; +esac +target=$ac_cv_target +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_target +shift +target_cpu=$1 +target_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +target_os=$* +IFS=$ac_save_IFS +case $target_os in *\ *) target_os=`echo "$target_os" | sed 's/ /-/g'`;; esac + + +# The aliases save the names the user supplied, while $host etc. +# will get canonicalized. +test -n "$target_alias" && + test "$program_prefix$program_suffix$program_transform_name" = \ + NONENONEs,x,x, && + program_prefix=${target_alias}- + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5 +$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; } + # Check whether --enable-maintainer-mode was given. +if test "${enable_maintainer_mode+set}" = set; then : + enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval +else + USE_MAINTAINER_MODE=no +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5 +$as_echo "$USE_MAINTAINER_MODE" >&6; } + if test $USE_MAINTAINER_MODE = yes; then + MAINTAINER_MODE_TRUE= + MAINTAINER_MODE_FALSE='#' +else + MAINTAINER_MODE_TRUE='#' + MAINTAINER_MODE_FALSE= +fi + + MAINT=$MAINTAINER_MODE_TRUE + + +# Check whether --enable-silent-rules was given. +if test "${enable_silent_rules+set}" = set; then : + enableval=$enable_silent_rules; +fi + +case $enable_silent_rules in # ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=0;; +esac +am_make=${MAKE-make} +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5 +$as_echo_n "checking whether $am_make supports nested variables... " >&6; } +if ${am_cv_make_support_nested_variables+:} false; then : + $as_echo_n "(cached) " >&6 +else + if $as_echo 'TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5 +$as_echo "$am_cv_make_support_nested_variables" >&6; } +if test $am_cv_make_support_nested_variables = yes; then + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AM_BACKSLASH='\' + +am__api_version='1.15' + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if ${ac_cv_path_install+:} false; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in #(( + ./ | .// | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5 +$as_echo_n "checking whether build environment is sane... " >&6; } +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + as_fn_error $? "ls -t appears to fail. Make sure there is not a broken + alias in your environment" "$LINENO" 5 + fi + if test "$2" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error $? "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi + +rm -f conftest.file + +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` + +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` + +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi +# Use eval to expand $SHELL +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " +else + am_missing_run= + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5 +$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5 +$as_echo_n "checking for a thread-safe mkdir -p... " >&6; } +if test -z "$MKDIR_P"; then + if ${ac_cv_path_mkdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in mkdir gmkdir; do + for ac_exec_ext in '' $ac_executable_extensions; do + as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext" || continue + case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #( + 'mkdir (GNU coreutils) '* | \ + 'mkdir (coreutils) '* | \ + 'mkdir (fileutils) '4.1*) + ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext + break 3;; + esac + done + done + done +IFS=$as_save_IFS + +fi + + test -d ./--version && rmdir ./--version + if test "${ac_cv_path_mkdir+set}" = set; then + MKDIR_P="$ac_cv_path_mkdir -p" + else + # As a last resort, use the slow shell script. Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + MKDIR_P="$ac_install_sh -d" + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5 +$as_echo "$MKDIR_P" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + SET_MAKE= +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='spl' + VERSION='0.6.5.9' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# For better backward compatibility. To be removed once Automake 1.9.x +# dies out for good. For more background, see: +# +# +mkdir_p='$(MKDIR_P)' + +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AMTAR='$${TAR-tar}' + + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar pax cpio none' + +am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -' + + + + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: . + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5 + fi +fi + +ac_config_headers="$ac_config_headers spl_config.h" + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +case `pwd` in + *\ * | *\ *) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5 +$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;; +esac + + + +macro_version='2.4.6' +macro_revision='2.4.6' + + + + + + + + + + + + + +ltmain=$ac_aux_dir/ltmain.sh + +# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\(["`$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' + +ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5 +$as_echo_n "checking how to print strings... " >&6; } +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "" +} + +case $ECHO in + printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5 +$as_echo "printf" >&6; } ;; + print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5 +$as_echo "print -r" >&6; } ;; + *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5 +$as_echo "cat" >&6; } ;; +esac + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5 +$as_echo_n "checking for a sed that does not truncate output... " >&6; } +if ${ac_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + { ac_script=; unset ac_script;} + if test -z "$SED"; then + ac_path_SED_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_SED" || continue +# Check for GNU ac_path_SED and select it if it is found. + # Check for GNU $ac_path_SED +case `"$ac_path_SED" --version 2>&1` in +*GNU*) + ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo '' >> "conftest.nl" + "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_SED="$ac_path_SED" + ac_path_SED_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_SED_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_SED"; then + as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5 + fi +else + ac_cv_path_SED=$SED +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5 +$as_echo "$ac_cv_path_SED" >&6; } + SED="$ac_cv_path_SED" + rm -f conftest.sed + +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_GREP" || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5 +$as_echo_n "checking for fgrep... " >&6; } +if ${ac_cv_path_FGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1 + then ac_cv_path_FGREP="$GREP -F" + else + if test -z "$FGREP"; then + ac_path_FGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in fgrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_FGREP" || continue +# Check for GNU ac_path_FGREP and select it if it is found. + # Check for GNU $ac_path_FGREP +case `"$ac_path_FGREP" --version 2>&1` in +*GNU*) + ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'FGREP' >> "conftest.nl" + "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_FGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_FGREP="$ac_path_FGREP" + ac_path_FGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_FGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_FGREP"; then + as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_FGREP=$FGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5 +$as_echo "$ac_cv_path_FGREP" >&6; } + FGREP="$ac_cv_path_FGREP" + + +test -z "$GREP" && GREP=grep + + + + + + + + + + + + + + + + + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 +$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM=$NM +else + lt_nm_to_check=${ac_tool_prefix}nm + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/$lt_tmp_nm + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the 'sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty + case $build_os in + mingw*) lt_bad_file=conftest.nm/nofile ;; + *) lt_bad_file=/dev/null ;; + esac + case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in + *$lt_bad_file* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break 2 + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break 2 + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS=$lt_save_ifs + done + : ${lt_cv_path_NM=no} +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } +if test no != "$lt_cv_path_NM"; then + NM=$lt_cv_path_NM +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + if test -n "$ac_tool_prefix"; then + for ac_prog in dumpbin "link -dump" + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DUMPBIN"; then + ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DUMPBIN=$ac_cv_prog_DUMPBIN +if test -n "$DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 +$as_echo "$DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$DUMPBIN" && break + done +fi +if test -z "$DUMPBIN"; then + ac_ct_DUMPBIN=$DUMPBIN + for ac_prog in dumpbin "link -dump" +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DUMPBIN"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN +if test -n "$ac_ct_DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 +$as_echo "$ac_ct_DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_DUMPBIN" && break +done + + if test "x$ac_ct_DUMPBIN" = x; then + DUMPBIN=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DUMPBIN=$ac_ct_DUMPBIN + fi +fi + + case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols -headers" + ;; + *) + DUMPBIN=: + ;; + esac + fi + + if test : != "$DUMPBIN"; then + NM=$DUMPBIN + fi +fi +test -z "$NM" && NM=nm + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 +$as_echo_n "checking the name lister ($NM) interface... " >&6; } +if ${lt_cv_nm_interface+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: output\"" >&5) + cat conftest.out >&5 + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 +$as_echo "$lt_cv_nm_interface" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + +# find the maximum length of command line arguments +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 +else + i=0 + teststring=ABCD + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test X`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test 17 != "$i" # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac + +fi + +if test -n "$lt_cv_sys_max_cmd_len"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } +fi +max_cmd_len=$lt_cv_sys_max_cmd_len + + + + + + +: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi + + + + + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 +$as_echo_n "checking how to convert $build file names to $host format... " >&6; } +if ${lt_cv_to_host_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac + +fi + +to_host_file_cmd=$lt_cv_to_host_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 +$as_echo "$lt_cv_to_host_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 +$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } +if ${lt_cv_to_tool_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + #assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac + +fi + +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 +$as_echo "$lt_cv_to_tool_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_reload_flag='-r' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } +reload_flag=$lt_cv_ld_reload_flag +case $reload_flag in +"" | " "*) ;; +*) reload_flag=" $reload_flag" ;; +esac +reload_cmds='$LD$reload_flag -o $output$reload_objs' +case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + if test yes != "$GCC"; then + reload_cmds=false + fi + ;; + darwin*) + if test yes = "$GCC"; then + reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' + else + reload_cmds='$LD$reload_flag -o $output$reload_objs' + fi + ;; +esac + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. +set dummy ${ac_tool_prefix}objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OBJDUMP"; then + ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJDUMP=$ac_cv_prog_OBJDUMP +if test -n "$OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OBJDUMP"; then + ac_ct_OBJDUMP=$OBJDUMP + # Extract the first word of "objdump", so it can be a program name with args. +set dummy objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OBJDUMP"; then + ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OBJDUMP="objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP +if test -n "$ac_ct_OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OBJDUMP" = x; then + OBJDUMP="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJDUMP=$ac_ct_OBJDUMP + fi +else + OBJDUMP="$ac_cv_prog_OBJDUMP" +fi + +test -z "$OBJDUMP" && OBJDUMP=objdump + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# 'unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# that responds to the $file_magic_cmd with a given extended regex. +# If you have 'file' or equivalent on your system and you're not sure +# whether 'pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[4-9]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[45]*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + if ( file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[3-9]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd* | bitrig*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +os2*) + lt_cv_deplibs_check_method=pass_all + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + + + + + + + + + + + + + + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. +set dummy ${ac_tool_prefix}dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DLLTOOL"; then + ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DLLTOOL=$ac_cv_prog_DLLTOOL +if test -n "$DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DLLTOOL"; then + ac_ct_DLLTOOL=$DLLTOOL + # Extract the first word of "dlltool", so it can be a program name with args. +set dummy dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DLLTOOL"; then + ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DLLTOOL="dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL +if test -n "$ac_ct_DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DLLTOOL" = x; then + DLLTOOL="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DLLTOOL=$ac_ct_DLLTOOL + fi +else + DLLTOOL="$ac_cv_prog_DLLTOOL" +fi + +test -z "$DLLTOOL" && DLLTOOL=dlltool + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 +$as_echo_n "checking how to associate runtime and link libraries... " >&6; } +if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh; + # decide which one to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd=$ECHO + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 +$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + + + + + + + + +if test -n "$ac_tool_prefix"; then + for ac_prog in ar + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AR="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AR" && break + done +fi +if test -z "$AR"; then + ac_ct_AR=$AR + for ac_prog in ar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_AR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_AR" && break +done + + if test "x$ac_ct_AR" = x; then + AR="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +fi + +: ${AR=ar} +: ${AR_FLAGS=cru} + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 +$as_echo_n "checking for archiver @FILE support... " >&6; } +if ${lt_cv_ar_at_file+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ar_at_file=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -eq "$ac_status"; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -ne "$ac_status"; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 +$as_echo "$lt_cv_ar_at_file" >&6; } + +if test no = "$lt_cv_ar_at_file"; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +test -z "$STRIP" && STRIP=: + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +test -z "$RANLIB" && RANLIB=: + + + + + + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + bitrig* | openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# Check for command to grab the raw symbol name followed by C symbol from nm. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 +else + +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[BCDT]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[ABCDGISTW]' + ;; +hpux*) + if test ia64 = "$host_cpu"; then + symcode='[ABCDEGRST]' + fi + ;; +irix* | nonstopux*) + symcode='[BCDEGRST]' + ;; +osf*) + symcode='[BCDEGQRST]' + ;; +solaris*) + symcode='[BDRT]' + ;; +sco3.2v5*) + symcode='[DT]' + ;; +sysv4.2uw2*) + symcode='[DT]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[ABDT]' + ;; +sysv4) + symcode='[DFNSTU]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[ABCDGIRSTW]' ;; +esac + +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Gets list of data symbols to import. + lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" + # Adjust the below global symbol transforms to fixup imported variables. + lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" + lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" + lt_c_name_lib_hook="\ + -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ + -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" +else + # Disable hooks by default. + lt_cv_sys_global_symbol_to_import= + lt_cdecl_hook= + lt_c_name_hook= + lt_c_name_lib_hook= +fi + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n"\ +$lt_cdecl_hook\ +" -e 's/^T .* \(.*\)$/extern int \1();/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ +$lt_c_name_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" + +# Transform an extracted symbol line into symbol name with lib prefix and +# symbol address. +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ +$lt_c_name_lib_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function, + # D for any global variable and I for any imported variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ +" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ +" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ +" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ +" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Now try to grab the symbols. + nlist=conftest.nm + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 + (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS=conftstm.$ac_objext + CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest$ac_exeext; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&5 + fi + else + echo "cannot find nm_test_var in $nlist" >&5 + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 + fi + else + echo "$progname: failed program was:" >&5 + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test yes = "$pipe_works"; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done + +fi + +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 +$as_echo_n "checking for sysroot... " >&6; } + +# Check whether --with-sysroot was given. +if test "${with_sysroot+set}" = set; then : + withval=$with_sysroot; +else + with_sysroot=no +fi + + +lt_sysroot= +case $with_sysroot in #( + yes) + if test yes = "$GCC"; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 +$as_echo "$with_sysroot" >&6; } + as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 + ;; +esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 +$as_echo "${lt_sysroot:-no}" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 +$as_echo_n "checking for a working dd... " >&6; } +if ${ac_cv_path_lt_DD+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +: ${lt_DD:=$DD} +if test -z "$lt_DD"; then + ac_path_lt_DD_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in dd; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_lt_DD" || continue +if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: +fi + $ac_path_lt_DD_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_lt_DD"; then + : + fi +else + ac_cv_path_lt_DD=$lt_DD +fi + +rm -f conftest.i conftest2.i conftest.out +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 +$as_echo "$ac_cv_path_lt_DD" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 +$as_echo_n "checking how to truncate binary pipes... " >&6; } +if ${lt_cv_truncate_bin+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +lt_cv_truncate_bin= +if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" +fi +rm -f conftest.i conftest2.i conftest.out +test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 +$as_echo "$lt_cv_truncate_bin" >&6; } + + + + + + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + +# Check whether --enable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then : + enableval=$enable_libtool_lock; +fi + +test no = "$enable_libtool_lock" || enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out what ABI is being produced by ac_compile, and set mode + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE=32 + ;; + *ELF-64*) + HPUX_IA64_MODE=64 + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + if test yes = "$lt_cv_prog_gnu_ld"; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +mips64*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + emul=elf + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + emul="${emul}32" + ;; + *64-bit*) + emul="${emul}64" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *MSB*) + emul="${emul}btsmip" + ;; + *LSB*) + emul="${emul}ltsmip" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *N32*) + emul="${emul}n32" + ;; + esac + LD="${LD-ld} -m $emul" + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. Note that the listed cases only cover the + # situations where additional linker options are needed (such as when + # doing 32-bit compilation for a host where ld defaults to 64-bit, or + # vice versa); the common cases where no linker options are needed do + # not appear in the list. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*linux*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*linux*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -belf" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_cc_needs_belf=yes +else + lt_cv_cc_needs_belf=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } + if test yes != "$lt_cv_cc_needs_belf"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS=$SAVE_CFLAGS + fi + ;; +*-*solaris*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*|x86_64-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD=${LD-ld}_sol2 + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks=$enable_libtool_lock + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. +set dummy ${ac_tool_prefix}mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MANIFEST_TOOL"; then + ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL +if test -n "$MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 +$as_echo "$MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_MANIFEST_TOOL"; then + ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL + # Extract the first word of "mt", so it can be a program name with args. +set dummy mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_MANIFEST_TOOL"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL +if test -n "$ac_ct_MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 +$as_echo "$ac_ct_MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_MANIFEST_TOOL" = x; then + MANIFEST_TOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL + fi +else + MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" +fi + +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 +$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } +if ${lt_cv_path_mainfest_tool+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&5 + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 +$as_echo "$lt_cv_path_mainfest_tool" >&6; } +if test yes != "$lt_cv_path_mainfest_tool"; then + MANIFEST_TOOL=: +fi + + + + + + + case $host_os in + rhapsody* | darwin*) + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. +set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DSYMUTIL"; then + ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DSYMUTIL=$ac_cv_prog_DSYMUTIL +if test -n "$DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DSYMUTIL"; then + ac_ct_DSYMUTIL=$DSYMUTIL + # Extract the first word of "dsymutil", so it can be a program name with args. +set dummy dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DSYMUTIL"; then + ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL +if test -n "$ac_ct_DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DSYMUTIL" = x; then + DSYMUTIL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DSYMUTIL=$ac_ct_DSYMUTIL + fi +else + DSYMUTIL="$ac_cv_prog_DSYMUTIL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. +set dummy ${ac_tool_prefix}nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NMEDIT"; then + ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +NMEDIT=$ac_cv_prog_NMEDIT +if test -n "$NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_NMEDIT"; then + ac_ct_NMEDIT=$NMEDIT + # Extract the first word of "nmedit", so it can be a program name with args. +set dummy nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_NMEDIT"; then + ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_NMEDIT="nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT +if test -n "$ac_ct_NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_NMEDIT" = x; then + NMEDIT=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + NMEDIT=$ac_ct_NMEDIT + fi +else + NMEDIT="$ac_cv_prog_NMEDIT" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. +set dummy ${ac_tool_prefix}lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LIPO"; then + ac_cv_prog_LIPO="$LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LIPO="${ac_tool_prefix}lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LIPO=$ac_cv_prog_LIPO +if test -n "$LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 +$as_echo "$LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_LIPO"; then + ac_ct_LIPO=$LIPO + # Extract the first word of "lipo", so it can be a program name with args. +set dummy lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_LIPO"; then + ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_LIPO="lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO +if test -n "$ac_ct_LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 +$as_echo "$ac_ct_LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_LIPO" = x; then + LIPO=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + LIPO=$ac_ct_LIPO + fi +else + LIPO="$ac_cv_prog_LIPO" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL"; then + ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL="${ac_tool_prefix}otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL=$ac_cv_prog_OTOOL +if test -n "$OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 +$as_echo "$OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL"; then + ac_ct_OTOOL=$OTOOL + # Extract the first word of "otool", so it can be a program name with args. +set dummy otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL"; then + ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL="otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL +if test -n "$ac_ct_OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 +$as_echo "$ac_ct_OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL" = x; then + OTOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL=$ac_ct_OTOOL + fi +else + OTOOL="$ac_cv_prog_OTOOL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL64"; then + ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL64=$ac_cv_prog_OTOOL64 +if test -n "$OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 +$as_echo "$OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL64"; then + ac_ct_OTOOL64=$OTOOL64 + # Extract the first word of "otool64", so it can be a program name with args. +set dummy otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL64"; then + ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL64="otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 +if test -n "$ac_ct_OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 +$as_echo "$ac_ct_OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL64" = x; then + OTOOL64=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL64=$ac_ct_OTOOL64 + fi +else + OTOOL64="$ac_cv_prog_OTOOL64" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_apple_cc_single_mod=no + if test -z "$LT_MULTI_MODULE"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&5 + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test 0 = "$_lt_result"; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_ld_exported_symbols_list=yes +else + lt_cv_ld_exported_symbols_list=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 +$as_echo_n "checking for -force_load linker flag... " >&6; } +if ${lt_cv_ld_force_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 + echo "$AR cru libconftest.a conftest.o" >&5 + $AR cru libconftest.a conftest.o 2>&5 + echo "$RANLIB libconftest.a" >&5 + $RANLIB libconftest.a 2>&5 + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&5 + elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 +$as_echo "$lt_cv_ld_force_load" >&6; } + case $host_os in + rhapsody* | darwin1.[012]) + _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[91]*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + 10.[012][,.]*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test yes = "$lt_cv_apple_cc_single_mod"; then + _lt_dar_single_mod='$single_module' + fi + if test yes = "$lt_cv_ld_exported_symbols_list"; then + _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' + fi + if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default +" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +fi + +done + + + + + +# Set options + + + + enable_dlopen=no + + + enable_win32_dll=no + + + # Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_shared=yes +fi + + + + + + + + + + # Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_static=yes +fi + + + + + + + + + + +# Check whether --with-pic was given. +if test "${with_pic+set}" = set; then : + withval=$with_pic; lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for lt_pkg in $withval; do + IFS=$lt_save_ifs + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + pic_mode=default +fi + + + + + + + + + # Check whether --enable-fast-install was given. +if test "${enable_fast_install+set}" = set; then : + enableval=$enable_fast_install; p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_fast_install=yes +fi + + + + + + + + + shared_archive_member_spec= +case $host,$enable_shared in +power*-*-aix[5-9]*,yes) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5 +$as_echo_n "checking which variant of shared library versioning to provide... " >&6; } + +# Check whether --with-aix-soname was given. +if test "${with_aix_soname+set}" = set; then : + withval=$with_aix_soname; case $withval in + aix|svr4|both) + ;; + *) + as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5 + ;; + esac + lt_cv_with_aix_soname=$with_aix_soname +else + if ${lt_cv_with_aix_soname+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_with_aix_soname=aix +fi + + with_aix_soname=$lt_cv_with_aix_soname +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5 +$as_echo "$with_aix_soname" >&6; } + if test aix != "$with_aix_soname"; then + # For the AIX way of multilib, we name the shared archive member + # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', + # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. + # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, + # the AIX toolchain works better with OBJECT_MODE set (default 32). + if test 64 = "${OBJECT_MODE-32}"; then + shared_archive_member_spec=shr_64 + else + shared_archive_member_spec=shr + fi + fi + ;; +*) + with_aix_soname=aix + ;; +esac + + + + + + + + + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS=$ltmain + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +test -z "$LN_S" && LN_S="ln -s" + + + + + + + + + + + + + + +if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } +objdir=$lt_cv_objdir + + + + + +cat >>confdefs.h <<_ACEOF +#define LT_OBJDIR "$lt_cv_objdir/" +_ACEOF + + + + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a '.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld=$lt_cv_prog_gnu_ld + +old_CC=$CC +old_CFLAGS=$CFLAGS + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +func_cc_basename $compiler +cc_basename=$func_cc_basename_result + + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/${ac_tool_prefix}file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +# Use C for the default configuration in the libtool script + +lt_save_CC=$CC +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +objext=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + +lt_prog_compiler_no_builtin_flag= + +if test yes = "$GCC"; then + case $cc_basename in + nvcc*) + lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; + *) + lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_rtti_exceptions=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_rtti_exceptions=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } + +if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then + lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" +else + : +fi + +fi + + + + + + + lt_prog_compiler_wl= +lt_prog_compiler_pic= +lt_prog_compiler_static= + + + if test yes = "$GCC"; then + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_static='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + fi + lt_prog_compiler_pic='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + ;; + + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + lt_prog_compiler_can_build_shared=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic=-Kconform_pic + fi + ;; + + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' + if test -n "$lt_prog_compiler_pic"; then + lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + lt_prog_compiler_wl='-Wl,' + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + else + lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + case $cc_basename in + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + hpux9* | hpux10* | hpux11*) + lt_prog_compiler_wl='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + lt_prog_compiler_static='$wl-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + lt_prog_compiler_wl='-Wl,' + # PIC (with -KPIC) is the default. + lt_prog_compiler_static='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64, which still supported -KPIC. + ecc*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='--shared' + lt_prog_compiler_static='--static' + ;; + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + ccc*) + lt_prog_compiler_wl='-Wl,' + # All Alpha code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-qpic' + lt_prog_compiler_static='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; + *Sun\ F* | *Sun*Fortran*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; + *Intel*\ [CF]*Compiler*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + *Portland\ Group*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + lt_prog_compiler_wl='-Wl,' + # All OSF/1 code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + + rdos*) + lt_prog_compiler_static='-non_shared' + ;; + + solaris*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + lt_prog_compiler_wl='-Qoption ld ';; + *) + lt_prog_compiler_wl='-Wl,';; + esac + ;; + + sunos4*) + lt_prog_compiler_wl='-Qoption ld ' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic='-Kconform_pic' + lt_prog_compiler_static='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + unicos*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_can_build_shared=no + ;; + + uts4*) + lt_prog_compiler_pic='-pic' + lt_prog_compiler_static='-Bstatic' + ;; + + *) + lt_prog_compiler_can_build_shared=no + ;; + esac + fi + +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic= + ;; + *) + lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic=$lt_prog_compiler_pic +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 +$as_echo "$lt_cv_prog_compiler_pic" >&6; } +lt_prog_compiler_pic=$lt_cv_prog_compiler_pic + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_pic_works"; then + case $lt_prog_compiler_pic in + "" | " "*) ;; + *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; + esac +else + lt_prog_compiler_pic= + lt_prog_compiler_can_build_shared=no +fi + +fi + + + + + + + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works=yes + fi + else + lt_cv_prog_compiler_static_works=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_static_works"; then + : +else + lt_prog_compiler_static= +fi + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + +hard_links=nottested +if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then + # do not overwrite the value of need_locks provided by the user + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } + if test no = "$hard_links"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;} + need_locks=warn + fi +else + need_locks=no +fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + + runpath_var= + allow_undefined_flag= + always_export_symbols=no + archive_cmds= + archive_expsym_cmds= + compiler_needs_object=no + enable_shared_with_static_runtimes=no + export_dynamic_flag_spec= + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + hardcode_automatic=no + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported + inherit_rpath=no + link_all_deplibs=unknown + module_cmds= + module_expsym_cmds= + old_archive_from_new_cmds= + old_archive_from_expsyms_cmds= + thread_safe_flag_spec= + whole_archive_flag_spec= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + include_expsyms= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ' (' and ')$', so one must not match beginning or + # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', + # as well as any symbol that contains 'd'. + exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test yes != "$GCC"; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd* | bitrig*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu | gnu*) + link_all_deplibs=no + ;; + esac + + ld_shlibs=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test yes = "$with_gnu_ld"; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; + *\ \(GNU\ Binutils\)\ [3-9]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test yes = "$lt_use_gnu_ld_interface"; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='$wl' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + export_dynamic_flag_spec='$wl--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + whole_archive_flag_spec= + fi + supports_anon_versioning=no + case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test ia64 != "$host_cpu"; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + ld_shlibs=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + export_dynamic_flag_spec='$wl--export-all-symbols' + allow_undefined_flag=unsupported + always_export_symbols=no + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs=no + fi + ;; + + haiku*) + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + link_all_deplibs=yes + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + ;; + + interix[3-9]*) + hardcode_direct=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test linux-dietlibc = "$host_os"; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test no = "$tmp_diet" + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + whole_archive_flag_spec= + tmp_sharedflag='--shared' ;; + nagfor*) # NAGFOR 5.3 + tmp_sharedflag='-Wl,-shared' ;; + xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + tcc*) + export_dynamic_flag_spec='-rdynamic' + ;; + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + ld_shlibs=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + ;; + + sunos4*) + archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + + if test no = "$ld_shlibs"; then + runpath_var= + hardcode_libdir_flag_spec= + export_dynamic_flag_spec= + whole_archive_flag_spec= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + allow_undefined_flag=unsupported + always_export_symbols=yes + archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + + aix[4-9]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then + aix_use_runtimelinking=yes + break + fi + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds='' + hardcode_direct=yes + hardcode_direct_absolute=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + file_list_spec='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # traditional, no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + hardcode_direct=no + hardcode_direct_absolute=no + ;; + esac + + if test yes = "$GCC"; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag="$shared_flag "'$wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + export_dynamic_flag_spec='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' + allow_undefined_flag="-z nodefs" + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag=' $wl-bernotok' + allow_undefined_flag=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec='$convenience' + fi + archive_cmds_need_lc=yes + archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared libraries. + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + bsdi[45]*) + export_dynamic_flag_spec=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + always_export_symbols=yes + file_list_spec='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes + exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' + postlink_cmds='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + old_archive_from_new_cmds='true' + # FIXME: Should let the user specify the lib program. + old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' + enable_shared_with_static_runtimes=yes + ;; + esac + ;; + + darwin* | rhapsody*) + + + archive_cmds_need_lc=no + hardcode_direct=no + hardcode_automatic=yes + hardcode_shlibpath_var=unsupported + if test yes = "$lt_cv_ld_force_load"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec='' + fi + link_all_deplibs=yes + allow_undefined_flag=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + archive_expsym_cmds="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + module_expsym_cmds="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + + else + ld_shlibs=no + fi + + ;; + + dgux*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + hpux9*) + if test yes = "$GCC"; then + archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + fi + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + export_dynamic_flag_spec='$wl-E' + ;; + + hpux10*) + if test yes,no = "$GCC,$with_gnu_ld"; then + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + + hpux11*) + if test yes,no = "$GCC,$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 +$as_echo_n "checking if $CC understands -b... " >&6; } +if ${lt_cv_prog_compiler__b+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler__b=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -b" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler__b=yes + fi + else + lt_cv_prog_compiler__b=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 +$as_echo "$lt_cv_prog_compiler__b" >&6; } + +if test yes = "$lt_cv_prog_compiler__b"; then + archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' +else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' +fi + + ;; + esac + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + hardcode_shlibpath_var=no + ;; + *) + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test yes = "$GCC"; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 +$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } +if ${lt_cv_irix_exported_symbol+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo (void) { return 0; } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_irix_exported_symbol=yes +else + lt_cv_irix_exported_symbol=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 +$as_echo "$lt_cv_irix_exported_symbol" >&6; } + if test yes = "$lt_cv_irix_exported_symbol"; then + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' + fi + link_all_deplibs=no + else + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + inherit_rpath=yes + link_all_deplibs=yes + ;; + + linux*) + case $cc_basename in + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + ld_shlibs=yes + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + newsos6) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + hardcode_shlibpath_var=no + ;; + + *nto* | *qnx*) + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + hardcode_shlibpath_var=no + hardcode_direct_absolute=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + else + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + fi + else + ld_shlibs=no + fi + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + ;; + + osf3*) + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + archive_cmds_need_lc='no' + hardcode_libdir_separator=: + ;; + + solaris*) + no_undefined_flag=' -z defs' + if test yes = "$GCC"; then + wlarc='$wl' + archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='$wl' + archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. GCC discards it without '$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test yes = "$GCC"; then + whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + else + whole_archive_flag_spec='-z allextract$convenience -z defaultextract' + fi + ;; + esac + link_all_deplibs=yes + ;; + + sunos4*) + if test sequent = "$host_vendor"; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + sysv4) + case $host_vendor in + sni) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' + reload_cmds='$CC -r -o $output$reload_objs' + hardcode_direct=no + ;; + motorola) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + hardcode_shlibpath_var=no + ;; + + sysv4.3*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + export_dynamic_flag_spec='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + ld_shlibs=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag='$wl-z,text' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag='$wl-z,text' + allow_undefined_flag='$wl-z,nodefs' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-R,$libdir' + hardcode_libdir_separator=':' + link_all_deplibs=yes + export_dynamic_flag_spec='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + *) + ld_shlibs=no + ;; + esac + + if test sni = "$host_vendor"; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + export_dynamic_flag_spec='$wl-Blargedynsym' + ;; + esac + fi + fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } +test no = "$ld_shlibs" && can_build_shared=no + +with_gnu_ld=$with_gnu_ld + + + + + + + + + + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc=yes + + if test yes,yes = "$GCC,$enable_shared"; then + case $archive_cmds in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl + pic_flag=$lt_prog_compiler_pic + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc=no + else + lt_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc" >&6; } + archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +if test yes = "$GCC"; then + case $host_os in + darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; + *) lt_awk_arg='/^libraries:/' ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;; + *) lt_sed_strip_eq='s|=/|/|g' ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary... + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + # ...but if some path component already ends with the multilib dir we assume + # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). + case "$lt_multi_os_dir; $lt_search_path_spec " in + "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) + lt_multi_os_dir= + ;; + esac + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" + elif test -n "$lt_multi_os_dir"; then + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS = " "; FS = "/|\n";} { + lt_foo = ""; + lt_count = 0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo = "/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[lt_foo]++; } + if (lt_freq[lt_foo] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's|/\([A-Za-z]:\)|\1|g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + + + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a(lib.so.V)' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,yes) # both, prefer svr4 + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # unpreferred sharedlib libNAME.a needs extra handling + postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' + postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,no) # both, prefer aix + dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling + postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' + postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' + ;; + esac + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='$libname$shared_ext' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + hardcode_libdir_flag_spec='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action= +if test -n "$hardcode_libdir_flag_spec" || + test -n "$runpath_var" || + test yes = "$hardcode_automatic"; then + + # We can hardcode non-existent directories. + if test no != "$hardcode_direct" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && + test no != "$hardcode_minus_L"; then + # Linking always hardcodes the temporary library directory. + hardcode_action=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } + +if test relink = "$hardcode_action" || + test yes = "$inherit_rpath"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + if test yes != "$enable_dlopen"; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen=load_add_on + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen=LoadLibrary + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + + lt_cv_dlopen=dyld + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + +fi + + ;; + + tpf*) + # Don't try to run any link tests for TPF. We know it's impossible + # because TPF is a cross-compiler, and we know how we open DSOs. + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + lt_cv_dlopen_self=no + ;; + + *) + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : + lt_cv_dlopen=shl_load +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld +else + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + lt_cv_dlopen=dlopen +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsvld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_svld_dlopen=yes +else + ac_cv_lib_svld_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dld_link (); +int +main () +{ +return dld_link (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_dld_link=yes +else + ac_cv_lib_dld_dld_link=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : + lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld +fi + + +fi + + +fi + + +fi + + +fi + + +fi + + ;; + esac + + if test no = "$lt_cv_dlopen"; then + enable_dlopen=no + else + enable_dlopen=yes + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS=$CPPFLAGS + test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS=$LDFLAGS + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS=$LIBS + LIBS="$lt_cv_dlopen_libs $LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } + + if test yes = "$lt_cv_dlopen_self"; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self_static=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self_static=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } + fi + + CPPFLAGS=$save_CPPFLAGS + LDFLAGS=$save_LDFLAGS + LIBS=$save_LIBS + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi + + + + + + + + + + + + + + + + + +striplib= +old_striplib= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP"; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + ;; + esac +fi + + + + + + + + + + + + + # Report what library types will actually be built + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[4-9]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } + + + + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +CC=$lt_save_CC + + + + + + + + + + + + + + + + ac_config_commands="$ac_config_commands libtool" + + + + +# Only expand once: + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl author" >&5 +$as_echo_n "checking spl author... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SPL_META_AUTHOR" >&5 +$as_echo "$SPL_META_AUTHOR" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl license" >&5 +$as_echo_n "checking spl license... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SPL_META_LICENSE" >&5 +$as_echo "$SPL_META_LICENSE" >&6; } + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking linux distribution" >&5 +$as_echo_n "checking linux distribution... " >&6; } + if test -f /etc/toss-release ; then + VENDOR=toss ; + elif test -f /etc/fedora-release ; then + VENDOR=fedora ; + elif test -f /etc/redhat-release ; then + VENDOR=redhat ; + elif test -f /etc/gentoo-release ; then + VENDOR=gentoo ; + elif test -f /etc/arch-release ; then + VENDOR=arch ; + elif test -f /etc/SuSE-release ; then + VENDOR=sles ; + elif test -f /etc/slackware-version ; then + VENDOR=slackware ; + elif test -f /etc/lunar.release ; then + VENDOR=lunar ; + elif test -f /etc/lsb-release ; then + VENDOR=ubuntu ; + elif test -f /etc/debian_version ; then + VENDOR=debian ; + else + VENDOR= ; + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $VENDOR" >&5 +$as_echo "$VENDOR" >&6; } + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking default package type" >&5 +$as_echo_n "checking default package type... " >&6; } + case "$VENDOR" in + toss) DEFAULT_PACKAGE=rpm ;; + redhat) DEFAULT_PACKAGE=rpm ;; + fedora) DEFAULT_PACKAGE=rpm ;; + gentoo) DEFAULT_PACKAGE=tgz ;; + arch) DEFAULT_PACKAGE=tgz ;; + sles) DEFAULT_PACKAGE=rpm ;; + slackware) DEFAULT_PACKAGE=tgz ;; + lunar) DEFAULT_PACKAGE=tgz ;; + ubuntu) DEFAULT_PACKAGE=deb ;; + debian) DEFAULT_PACKAGE=deb ;; + *) DEFAULT_PACKAGE=rpm ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DEFAULT_PACKAGE" >&5 +$as_echo "$DEFAULT_PACKAGE" >&6; } + + + + RPM=rpm + RPMBUILD=rpmbuild + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $RPM is available" >&5 +$as_echo_n "checking whether $RPM is available... " >&6; } + if tmp=$($RPM --version 2>/dev/null); then : + + RPM_VERSION=$(echo $tmp | $AWK '/RPM/ { print $3 }') + HAVE_RPM=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPM ($RPM_VERSION)" >&5 +$as_echo "$HAVE_RPM ($RPM_VERSION)" >&6; } + +else + + HAVE_RPM=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPM" >&5 +$as_echo "$HAVE_RPM" >&6; } + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $RPMBUILD is available" >&5 +$as_echo_n "checking whether $RPMBUILD is available... " >&6; } + if tmp=$($RPMBUILD --version 2>/dev/null); then : + + RPMBUILD_VERSION=$(echo $tmp | $AWK '/RPM/ { print $3 }') + HAVE_RPMBUILD=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPMBUILD ($RPMBUILD_VERSION)" >&5 +$as_echo "$HAVE_RPMBUILD ($RPMBUILD_VERSION)" >&6; } + +else + + HAVE_RPMBUILD=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPMBUILD" >&5 +$as_echo "$HAVE_RPMBUILD" >&6; } + +fi + + RPM_DEFINE_COMMON='--define "$(DEBUG_SPL) 1" --define "$(DEBUG_KMEM) 1" --define "$(DEBUG_KMEM_TRACKING) 1"' + RPM_DEFINE_UTIL= + RPM_DEFINE_KMOD='--define "kernels $(LINUX_VERSION)"' + RPM_DEFINE_DKMS= + + SRPM_DEFINE_COMMON='--define "build_src_rpm 1"' + SRPM_DEFINE_UTIL= + SRPM_DEFINE_KMOD= + SRPM_DEFINE_DKMS= + + RPM_SPEC_DIR="rpm/generic" + +# Check whether --with-spec was given. +if test "${with_spec+set}" = set; then : + withval=$with_spec; RPM_SPEC_DIR="rpm/$withval" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether spec files are available" >&5 +$as_echo_n "checking whether spec files are available... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes ($RPM_SPEC_DIR/*.spec.in)" >&5 +$as_echo "yes ($RPM_SPEC_DIR/*.spec.in)" >&6; } + + + + + + + + + + + + + + + + + + + + + DPKG=dpkg + DPKGBUILD=dpkg-buildpackage + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $DPKG is available" >&5 +$as_echo_n "checking whether $DPKG is available... " >&6; } + if tmp=$($DPKG --version 2>/dev/null); then : + + DPKG_VERSION=$(echo $tmp | $AWK '/Debian/ { print $7 }') + HAVE_DPKG=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKG ($DPKG_VERSION)" >&5 +$as_echo "$HAVE_DPKG ($DPKG_VERSION)" >&6; } + +else + + HAVE_DPKG=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKG" >&5 +$as_echo "$HAVE_DPKG" >&6; } + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $DPKGBUILD is available" >&5 +$as_echo_n "checking whether $DPKGBUILD is available... " >&6; } + if tmp=$($DPKGBUILD --version 2>/dev/null); then : + + DPKGBUILD_VERSION=$(echo $tmp | \ + $AWK '/Debian/ { print $4 }' | cut -f-4 -d'.') + HAVE_DPKGBUILD=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKGBUILD ($DPKGBUILD_VERSION)" >&5 +$as_echo "$HAVE_DPKGBUILD ($DPKGBUILD_VERSION)" >&6; } + +else + + HAVE_DPKGBUILD=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKGBUILD" >&5 +$as_echo "$HAVE_DPKGBUILD" >&6; } + +fi + + + + + + + + + + + ALIEN=alien + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ALIEN is available" >&5 +$as_echo_n "checking whether $ALIEN is available... " >&6; } + if tmp=$($ALIEN --version 2>/dev/null); then : + + ALIEN_VERSION=$(echo $tmp | $AWK '{ print $3 }') + HAVE_ALIEN=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_ALIEN ($ALIEN_VERSION)" >&5 +$as_echo "$HAVE_ALIEN ($ALIEN_VERSION)" >&6; } + +else + + HAVE_ALIEN=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_ALIEN" >&5 +$as_echo "$HAVE_ALIEN" >&6; } + +fi + + + + + + + + SPL_CONFIG=all + +# Check whether --with-config was given. +if test "${with_config+set}" = set; then : + withval=$with_config; SPL_CONFIG="$withval" +fi + + # Check whether --enable-linux-builtin was given. +if test "${enable_linux_builtin+set}" = set; then : + enableval=$enable_linux_builtin; +else + enable_linux_builtin=no +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl config" >&5 +$as_echo_n "checking spl config... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SPL_CONFIG" >&5 +$as_echo "$SPL_CONFIG" >&6; }; + + + case "$SPL_CONFIG" in + kernel) + + +# Check whether --with-linux was given. +if test "${with_linux+set}" = set; then : + withval=$with_linux; kernelsrc="$withval" +fi + + + +# Check whether --with-linux-obj was given. +if test "${with_linux_obj+set}" = set; then : + withval=$with_linux_obj; kernelbuild="$withval" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source directory" >&5 +$as_echo_n "checking kernel source directory... " >&6; } + if test -z "$kernelsrc"; then + if test -e "/lib/modules/$(uname -r)/source"; then + headersdir="/lib/modules/$(uname -r)/source" + sourcelink=$(readlink -f "$headersdir") + elif test -e "/lib/modules/$(uname -r)/build"; then + headersdir="/lib/modules/$(uname -r)/build" + sourcelink=$(readlink -f "$headersdir") + else + sourcelink=$(ls -1d /usr/src/kernels/* \ + /usr/src/linux-* \ + 2>/dev/null | grep -v obj | tail -1) + fi + + if test -n "$sourcelink" && test -e ${sourcelink}; then + kernelsrc=`readlink -f ${sourcelink}` + else + kernelsrc="Not found" + fi + else + if test "$kernelsrc" = "NONE"; then + kernsrcver=NONE + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelsrc" >&5 +$as_echo "$kernelsrc" >&6; } + if test ! -d "$kernelsrc"; then + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed and then try again. If that fails, you can specify the + *** location of the kernel source with the '--with-linux=PATH' option." "$LINENO" 5 + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel build directory" >&5 +$as_echo_n "checking kernel build directory... " >&6; } + if test -z "$kernelbuild"; then + if test -e "/lib/modules/$(uname -r)/build"; then + kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` + elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then + kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} + elif test -d ${kernelsrc}-obj/${target_cpu}/default; then + kernelbuild=${kernelsrc}-obj/${target_cpu}/default + elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then + kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} + else + kernelbuild=${kernelsrc} + fi + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelbuild" >&5 +$as_echo "$kernelbuild" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source version" >&5 +$as_echo_n "checking kernel source version... " >&6; } + utsrelease1=$kernelbuild/include/linux/version.h + utsrelease2=$kernelbuild/include/linux/utsrelease.h + utsrelease3=$kernelbuild/include/generated/utsrelease.h + if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then + utsrelease=linux/version.h + elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then + utsrelease=linux/utsrelease.h + elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then + utsrelease=generated/utsrelease.h + fi + + if test "$utsrelease"; then + kernsrcver=`(echo "#include <$utsrelease>"; + echo "kernsrcver=UTS_RELEASE") | + cpp -I $kernelbuild/include | + grep "^kernsrcver=" | cut -d \" -f 2` + + if test -z "$kernsrcver"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + as_fn_error $? "*** Cannot determine kernel version." "$LINENO" 5 + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Cannot find UTS_RELEASE definition." "$LINENO" 5 + else + as_fn_error $? " + *** Cannot find UTS_RELEASE definition. + *** Please run 'make prepare' inside the kernel source tree." "$LINENO" 5 + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernsrcver" >&5 +$as_echo "$kernsrcver" >&6; } + + LINUX=${kernelsrc} + LINUX_OBJ=${kernelbuild} + LINUX_VERSION=${kernsrcver} + + + + + + + modpost=$LINUX/scripts/Makefile.modpost + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel file name for module symbols" >&5 +$as_echo_n "checking kernel file name for module symbols... " >&6; } + if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then + if grep -q Modules.symvers $modpost; then + LINUX_SYMBOLS=Modules.symvers + else + LINUX_SYMBOLS=Module.symvers + fi + + if ! test -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed. If you are building with a custom kernel, make sure the + *** kernel is configured, built, and the '--with-linux=PATH' configure + *** option refers to the location of the kernel source." "$LINENO" 5 + fi + else + LINUX_SYMBOLS=NONE + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LINUX_SYMBOLS" >&5 +$as_echo "$LINUX_SYMBOLS" >&6; } + + + + + if test "${LINUX_OBJ}" != "${LINUX}"; then + KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" + fi + + + KERNELCPPFLAGS="$KERNELCPPFLAGS -Wstrict-prototypes" + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether debugging is enabled" >&5 +$as_echo_n "checking whether debugging is enabled... " >&6; } + # Check whether --enable-debug was given. +if test "${enable_debug+set}" = set; then : + enableval=$enable_debug; +else + enable_debug=no +fi + + + if test "x$enable_debug" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror" + DEBUG_CFLAGS="-DDEBUG -Werror" + DEBUG_SPL="_with_debug" + +else + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG" + DEBUG_CFLAGS="-DNDEBUG" + DEBUG_SPL="_without_debug" + +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug" >&5 +$as_echo "$enable_debug" >&6; } + + + # Check whether --enable-debug-kmem was given. +if test "${enable_debug_kmem+set}" = set; then : + enableval=$enable_debug_kmem; +else + enable_debug_kmem=no +fi + + + if test "x$enable_debug_kmem" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM" + DEBUG_KMEM="_with_debug_kmem" + +$as_echo "#define DEBUG_KMEM 1" >>confdefs.h + + +else + + DEBUG_KMEM="_without_debug_kmem" + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether basic kmem accounting is enabled" >&5 +$as_echo_n "checking whether basic kmem accounting is enabled... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug_kmem" >&5 +$as_echo "$enable_debug_kmem" >&6; } + + + # Check whether --enable-debug-kmem-tracking was given. +if test "${enable_debug_kmem_tracking+set}" = set; then : + enableval=$enable_debug_kmem_tracking; +else + enable_debug_kmem_tracking=no +fi + + + if test "x$enable_debug_kmem_tracking" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING" + DEBUG_KMEM_TRACKING="_with_debug_kmem_tracking" + +$as_echo "#define DEBUG_KMEM_TRACKING 1" >>confdefs.h + + +else + + DEBUG_KMEM_TRACKING="_without_debug_kmem_tracking" + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether detailed kmem tracking is enabled" >&5 +$as_echo_n "checking whether detailed kmem tracking is enabled... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug_kmem_tracking" >&5 +$as_echo "$enable_debug_kmem_tracking" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether modules can be built" >&5 +$as_echo_n "checking whether modules can be built... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Unable to build an empty module." "$LINENO" 5 + else + as_fn_error $? " + *** Unable to build an empty module. + *** Please run 'make scripts' inside the kernel source tree." "$LINENO" 5 + fi + + + +fi + rm -Rf build + + + + if test "x$cross_compiling" != xyes; then : + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + + #include "$LINUX/include/linux/license.h" + +int +main () +{ + + return !license_is_gpl_compatible( + "$SPL_META_LICENSE"); + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + +$as_echo "#define SPL_IS_GPL_COMPATIBLE 1" >>confdefs.h + + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi + + + # Check whether --enable-atomic-spinlocks was given. +if test "${enable_atomic_spinlocks+set}" = set; then : + enableval=$enable_atomic_spinlocks; +else + enable_atomic_spinlocks=check +fi + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + atomic64_t *ptr __attribute__ ((unused)); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + have_atomic64_t=yes + +$as_echo "#define HAVE_ATOMIC64_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + have_atomic64_t=no + + + +fi + rm -Rf build + + + + if test "x$enable_atomic_spinlocks" = xcheck; then : + + if test "x$have_atomic64_t" = xyes; then : + + enable_atomic_spinlocks=no + +else + + enable_atomic_spinlocks=yes + +fi + +fi + + if test "x$enable_atomic_spinlocks" = xyes; then : + + +$as_echo "#define ATOMIC_SPINLOCK 1" >>confdefs.h + + +else + + if test "x$have_atomic64_t" = xno; then : + + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "--disable-atomic-spinlocks given but required atomic64 support is unavailable +See \`config.log' for more details" "$LINENO" 5; } + +fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether atomic types use spinlocks" >&5 +$as_echo_n "checking whether atomic types use spinlocks... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_atomic_spinlocks" >&5 +$as_echo "$enable_atomic_spinlocks" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel defines atomic64_t" >&5 +$as_echo_n "checking whether kernel defines atomic64_t... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_atomic64_t" >&5 +$as_echo "$have_atomic64_t" >&6; } + + + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether old 2-argument shrinker exists" >&5 +$as_echo_n "checking whether old 2-argument shrinker exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrinker_cb(int nr_to_scan, gfp_t gfp_mask); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_OLD_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether old 3-argument shrinker exists" >&5 +$as_echo_n "checking whether old 3-argument shrinker exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrinker_cb(struct shrinker *, int nr_to_scan, + gfp_t gfp_mask); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether new 2-argument shrinker exists" >&5 +$as_echo_n "checking whether new 2-argument shrinker exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrinker_cb(struct shrinker *, + struct shrink_control *sc); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_NEW_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ->count_objects callback exists" >&5 +$as_echo_n "checking whether ->count_objects callback exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + unsigned long shrinker_cb( + struct shrinker *, + struct shrink_control *sc); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .count_objects = shrinker_cb, + .scan_objects = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SPLIT_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "error" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct ctl_table has ctl_name" >&5 +$as_echo_n "checking whether struct ctl_table has ctl_name... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct ctl_table ctl __attribute__ ((unused)); + ctl.ctl_name = 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CTL_NAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_TRIM_UNUSED_KSYM is disabled" >&5 +$as_echo_n "checking whether CONFIG_TRIM_UNUSED_KSYM is disabled... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if defined(CONFIG_TRIM_UNUSED_KSYMS) + #error CONFIG_TRIM_UNUSED_KSYMS not defined + #endif + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " + *** This kernel has unused symbols trimming enabled, please disable. + *** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set." "$LINENO" 5 + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether PDE_DATA() is available" >&5 +$as_echo_n "checking whether PDE_DATA() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + PDE_DATA(NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]PDE_DATA[[:space:]]' \ + $LINUX_OBJ/Module*.symvers 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in ; do + grep -q -E "EXPORT_SYMBOL.*(PDE_DATA)" \ + "$LINUX_OBJ/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PDE_DATA 1" >>confdefs.h + + + fi + fi + + + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether set_fs_pwd() requires const struct path *" >&5 +$as_echo_n "checking whether set_fs_pwd() requires const struct path *... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + void (*const set_fs_pwd_func) + (struct fs_struct *, const struct path *) + = set_fs_pwd; + +int +main (void) +{ + + return 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_FS_PWD_WITH_CONST 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + void (*const set_fs_pwd_func) + (struct fs_struct *, struct path *) + = set_fs_pwd; + +int +main (void) +{ + + return 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "unknown" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_unlink() wants 2 args" >&5 +$as_echo_n "checking whether vfs_unlink() wants 2 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_unlink((struct inode *) NULL, (struct dentry *) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_VFS_UNLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_unlink() wants 3 args" >&5 +$as_echo_n "checking whether vfs_unlink() wants 3 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_unlink((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_VFS_UNLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_rename() wants 4 args" >&5 +$as_echo_n "checking whether vfs_rename() wants 4 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_rename((struct inode *) NULL, (struct dentry *) NULL, + (struct inode *) NULL, (struct dentry *) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_4ARGS_VFS_RENAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_rename() wants 5 args" >&5 +$as_echo_n "checking whether vfs_rename() wants 5 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_rename((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_5ARGS_VFS_RENAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_rename() wants 6 args" >&5 +$as_echo_n "checking whether vfs_rename() wants 6 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_rename((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL, + (unsigned int) 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_6ARGS_VFS_RENAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_fsync() wants 2 args" >&5 +$as_echo_n "checking whether vfs_fsync() wants 2 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_fsync(NULL, 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_VFS_FSYNC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether truncate_range() inode operation is available" >&5 +$as_echo_n "checking whether truncate_range() inode operation is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode_operations ops; + ops.truncate_range = NULL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_TRUNCATE_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct fs_struct uses spinlock_t" >&5 +$as_echo_n "checking whether struct fs_struct uses spinlock_t... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + static struct fs_struct fs; + spin_lock_init(&fs.lock); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FS_STRUCT_SPINLOCK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kuid_t/kgid_t is available" >&5 +$as_echo_n "checking whether kuid_t/kgid_t is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + kuid_t userid = KUIDT_INIT(0); + kgid_t groupid = KGIDT_INIT(0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + kuid_t userid = 0; + kgid_t groupid = 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes; optional" >&5 +$as_echo "yes; optional" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes; mandatory" >&5 +$as_echo "yes; mandatory" >&6; } + +$as_echo "#define HAVE_KUIDGID_T 1" >>confdefs.h + + + + +fi + rm -Rf build + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __put_task_struct() is available" >&5 +$as_echo_n "checking whether __put_task_struct() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + __put_task_struct(NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]__put_task_struct[[:space:]]' \ + $LINUX_OBJ/Module*.symvers 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in ; do + grep -q -E "EXPORT_SYMBOL.*(__put_task_struct)" \ + "$LINUX_OBJ/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PUT_TASK_STRUCT 1" >>confdefs.h + + + fi + fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fallocate() exists" >&5 +$as_echo_n "checking whether fops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL; + struct file_operations fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->fallocate() exists" >&5 +$as_echo_n "checking whether iops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL; + struct inode_operations fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fallocate() exists" >&5 +$as_echo_n "checking whether fops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL; + struct file_operations_no_const fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_ZLIB_INFLATE is defined" >&5 +$as_echo_n "checking whether CONFIG_ZLIB_INFLATE is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if !defined(CONFIG_ZLIB_INFLATE) && \ + !defined(CONFIG_ZLIB_INFLATE_MODULE) + #error CONFIG_ZLIB_INFLATE not defined + #endif + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " + *** This kernel does not include the required zlib inflate support. + *** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set." "$LINENO" 5 + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_ZLIB_DEFLATE is defined" >&5 +$as_echo_n "checking whether CONFIG_ZLIB_DEFLATE is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if !defined(CONFIG_ZLIB_DEFLATE) && \ + !defined(CONFIG_ZLIB_DEFLATE_MODULE) + #error CONFIG_ZLIB_DEFLATE not defined + #endif + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " + *** This kernel does not include the required zlib deflate support. + *** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set." "$LINENO" 5 + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether zlib_deflate_workspacesize() wants 2 args" >&5 +$as_echo_n "checking whether zlib_deflate_workspacesize() wants 2 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct shrink_control exists" >&5 +$as_echo_n "checking whether struct shrink_control exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct shrink_control sc __attribute__ ((unused)); + + sc.nr_to_scan = 0; + sc.gfp_mask = GFP_KERNEL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SHRINK_CONTROL_STRUCT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct rw_semaphore member wait_lock is raw" >&5 +$as_echo_n "checking whether struct rw_semaphore member wait_lock is raw... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct rw_semaphore dummy_semaphore __attribute__ ((unused)); + raw_spinlock_t dummy_lock __attribute__ ((unused)); + dummy_semaphore.wait_lock = dummy_lock; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define RWSEM_SPINLOCK_IS_RAW 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct rw_semaphore has member activity" >&5 +$as_echo_n "checking whether struct rw_semaphore has member activity... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct rw_semaphore dummy_semaphore __attribute__ ((unused)); + dummy_semaphore.activity = 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_RWSEM_ACTIVITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct rw_semaphore has atomic_long_t member count" >&5 +$as_echo_n "checking whether struct rw_semaphore has atomic_long_t member count... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + DECLARE_RWSEM(dummy_semaphore); + (void) atomic_long_read(&dummy_semaphore.count); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_RWSEM_ATOMIC_LONG_COUNT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether header linux/sched/rt.h exists" >&5 +$as_echo_n "checking whether header linux/sched/rt.h exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + return 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + +$as_echo "#define HAVE_SCHED_RT_HEADER 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_getattr() wants" >&5 +$as_echo_n "checking whether vfs_getattr() wants... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_getattr((struct path *) NULL, + (struct kstat *)NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: 2 args" >&5 +$as_echo "2 args" >&6; } + +$as_echo "#define HAVE_2ARGS_VFS_GETATTR 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_getattr((struct vfsmount *)NULL, + (struct dentry *)NULL, + (struct kstat *)NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: 3 args" >&5 +$as_echo "3 args" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "unknown" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether usleep_range() is available" >&5 +$as_echo_n "checking whether usleep_range() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + usleep_range(0, 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_USLEEP_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct kmem_cache has allocflags" >&5 +$as_echo_n "checking whether struct kmem_cache has allocflags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct kmem_cache cachep __attribute__ ((unused)); + cachep.allocflags = GFP_KERNEL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KMEM_CACHE_ALLOCFLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct kmem_cache has gfpflags" >&5 +$as_echo_n "checking whether struct kmem_cache has gfpflags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct kmem_cache cachep __attribute__ ((unused)); + cachep.gfpflags = GFP_KERNEL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KMEM_CACHE_GFPFLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether wait_on_bit() takes an action" >&5 +$as_echo_n "checking whether wait_on_bit() takes an action... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int (*action)(void *) = NULL; + wait_on_bit(NULL, 0, action, 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_WAIT_ON_BIT_ACTION 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether inode_lock_shared() exists" >&5 +$as_echo_n "checking whether inode_lock_shared() exists... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *inode = NULL; + inode_lock_shared(inode); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_LOCK_SHARED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mutex has owner" >&5 +$as_echo_n "checking whether mutex has owner... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + DEFINE_MUTEX(m); + struct task_struct *t __attribute__ ((unused)); + t = m.owner; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_MUTEX_OWNER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether group_info->gid exists" >&5 +$as_echo_n "checking whether group_info->gid exists... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct group_info *gi = groups_alloc(1); + gi->gid[0] = KGIDT_INIT(0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GROUP_INFO_GID 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + ;; + user) ;; + all) + + +# Check whether --with-linux was given. +if test "${with_linux+set}" = set; then : + withval=$with_linux; kernelsrc="$withval" +fi + + + +# Check whether --with-linux-obj was given. +if test "${with_linux_obj+set}" = set; then : + withval=$with_linux_obj; kernelbuild="$withval" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source directory" >&5 +$as_echo_n "checking kernel source directory... " >&6; } + if test -z "$kernelsrc"; then + if test -e "/lib/modules/$(uname -r)/source"; then + headersdir="/lib/modules/$(uname -r)/source" + sourcelink=$(readlink -f "$headersdir") + elif test -e "/lib/modules/$(uname -r)/build"; then + headersdir="/lib/modules/$(uname -r)/build" + sourcelink=$(readlink -f "$headersdir") + else + sourcelink=$(ls -1d /usr/src/kernels/* \ + /usr/src/linux-* \ + 2>/dev/null | grep -v obj | tail -1) + fi + + if test -n "$sourcelink" && test -e ${sourcelink}; then + kernelsrc=`readlink -f ${sourcelink}` + else + kernelsrc="Not found" + fi + else + if test "$kernelsrc" = "NONE"; then + kernsrcver=NONE + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelsrc" >&5 +$as_echo "$kernelsrc" >&6; } + if test ! -d "$kernelsrc"; then + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed and then try again. If that fails, you can specify the + *** location of the kernel source with the '--with-linux=PATH' option." "$LINENO" 5 + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel build directory" >&5 +$as_echo_n "checking kernel build directory... " >&6; } + if test -z "$kernelbuild"; then + if test -e "/lib/modules/$(uname -r)/build"; then + kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` + elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then + kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} + elif test -d ${kernelsrc}-obj/${target_cpu}/default; then + kernelbuild=${kernelsrc}-obj/${target_cpu}/default + elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then + kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} + else + kernelbuild=${kernelsrc} + fi + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelbuild" >&5 +$as_echo "$kernelbuild" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source version" >&5 +$as_echo_n "checking kernel source version... " >&6; } + utsrelease1=$kernelbuild/include/linux/version.h + utsrelease2=$kernelbuild/include/linux/utsrelease.h + utsrelease3=$kernelbuild/include/generated/utsrelease.h + if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then + utsrelease=linux/version.h + elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then + utsrelease=linux/utsrelease.h + elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then + utsrelease=generated/utsrelease.h + fi + + if test "$utsrelease"; then + kernsrcver=`(echo "#include <$utsrelease>"; + echo "kernsrcver=UTS_RELEASE") | + cpp -I $kernelbuild/include | + grep "^kernsrcver=" | cut -d \" -f 2` + + if test -z "$kernsrcver"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + as_fn_error $? "*** Cannot determine kernel version." "$LINENO" 5 + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Cannot find UTS_RELEASE definition." "$LINENO" 5 + else + as_fn_error $? " + *** Cannot find UTS_RELEASE definition. + *** Please run 'make prepare' inside the kernel source tree." "$LINENO" 5 + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernsrcver" >&5 +$as_echo "$kernsrcver" >&6; } + + LINUX=${kernelsrc} + LINUX_OBJ=${kernelbuild} + LINUX_VERSION=${kernsrcver} + + + + + + + modpost=$LINUX/scripts/Makefile.modpost + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel file name for module symbols" >&5 +$as_echo_n "checking kernel file name for module symbols... " >&6; } + if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then + if grep -q Modules.symvers $modpost; then + LINUX_SYMBOLS=Modules.symvers + else + LINUX_SYMBOLS=Module.symvers + fi + + if ! test -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed. If you are building with a custom kernel, make sure the + *** kernel is configured, built, and the '--with-linux=PATH' configure + *** option refers to the location of the kernel source." "$LINENO" 5 + fi + else + LINUX_SYMBOLS=NONE + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LINUX_SYMBOLS" >&5 +$as_echo "$LINUX_SYMBOLS" >&6; } + + + + + if test "${LINUX_OBJ}" != "${LINUX}"; then + KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" + fi + + + KERNELCPPFLAGS="$KERNELCPPFLAGS -Wstrict-prototypes" + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether debugging is enabled" >&5 +$as_echo_n "checking whether debugging is enabled... " >&6; } + # Check whether --enable-debug was given. +if test "${enable_debug+set}" = set; then : + enableval=$enable_debug; +else + enable_debug=no +fi + + + if test "x$enable_debug" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror" + DEBUG_CFLAGS="-DDEBUG -Werror" + DEBUG_SPL="_with_debug" + +else + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG" + DEBUG_CFLAGS="-DNDEBUG" + DEBUG_SPL="_without_debug" + +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug" >&5 +$as_echo "$enable_debug" >&6; } + + + # Check whether --enable-debug-kmem was given. +if test "${enable_debug_kmem+set}" = set; then : + enableval=$enable_debug_kmem; +else + enable_debug_kmem=no +fi + + + if test "x$enable_debug_kmem" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM" + DEBUG_KMEM="_with_debug_kmem" + +$as_echo "#define DEBUG_KMEM 1" >>confdefs.h + + +else + + DEBUG_KMEM="_without_debug_kmem" + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether basic kmem accounting is enabled" >&5 +$as_echo_n "checking whether basic kmem accounting is enabled... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug_kmem" >&5 +$as_echo "$enable_debug_kmem" >&6; } + + + # Check whether --enable-debug-kmem-tracking was given. +if test "${enable_debug_kmem_tracking+set}" = set; then : + enableval=$enable_debug_kmem_tracking; +else + enable_debug_kmem_tracking=no +fi + + + if test "x$enable_debug_kmem_tracking" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING" + DEBUG_KMEM_TRACKING="_with_debug_kmem_tracking" + +$as_echo "#define DEBUG_KMEM_TRACKING 1" >>confdefs.h + + +else + + DEBUG_KMEM_TRACKING="_without_debug_kmem_tracking" + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether detailed kmem tracking is enabled" >&5 +$as_echo_n "checking whether detailed kmem tracking is enabled... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug_kmem_tracking" >&5 +$as_echo "$enable_debug_kmem_tracking" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether modules can be built" >&5 +$as_echo_n "checking whether modules can be built... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Unable to build an empty module." "$LINENO" 5 + else + as_fn_error $? " + *** Unable to build an empty module. + *** Please run 'make scripts' inside the kernel source tree." "$LINENO" 5 + fi + + + +fi + rm -Rf build + + + + if test "x$cross_compiling" != xyes; then : + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + + #include "$LINUX/include/linux/license.h" + +int +main () +{ + + return !license_is_gpl_compatible( + "$SPL_META_LICENSE"); + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + +$as_echo "#define SPL_IS_GPL_COMPATIBLE 1" >>confdefs.h + + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi + + + # Check whether --enable-atomic-spinlocks was given. +if test "${enable_atomic_spinlocks+set}" = set; then : + enableval=$enable_atomic_spinlocks; +else + enable_atomic_spinlocks=check +fi + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + atomic64_t *ptr __attribute__ ((unused)); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + have_atomic64_t=yes + +$as_echo "#define HAVE_ATOMIC64_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + have_atomic64_t=no + + + +fi + rm -Rf build + + + + if test "x$enable_atomic_spinlocks" = xcheck; then : + + if test "x$have_atomic64_t" = xyes; then : + + enable_atomic_spinlocks=no + +else + + enable_atomic_spinlocks=yes + +fi + +fi + + if test "x$enable_atomic_spinlocks" = xyes; then : + + +$as_echo "#define ATOMIC_SPINLOCK 1" >>confdefs.h + + +else + + if test "x$have_atomic64_t" = xno; then : + + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "--disable-atomic-spinlocks given but required atomic64 support is unavailable +See \`config.log' for more details" "$LINENO" 5; } + +fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether atomic types use spinlocks" >&5 +$as_echo_n "checking whether atomic types use spinlocks... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_atomic_spinlocks" >&5 +$as_echo "$enable_atomic_spinlocks" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel defines atomic64_t" >&5 +$as_echo_n "checking whether kernel defines atomic64_t... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_atomic64_t" >&5 +$as_echo "$have_atomic64_t" >&6; } + + + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether old 2-argument shrinker exists" >&5 +$as_echo_n "checking whether old 2-argument shrinker exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrinker_cb(int nr_to_scan, gfp_t gfp_mask); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_OLD_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether old 3-argument shrinker exists" >&5 +$as_echo_n "checking whether old 3-argument shrinker exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrinker_cb(struct shrinker *, int nr_to_scan, + gfp_t gfp_mask); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether new 2-argument shrinker exists" >&5 +$as_echo_n "checking whether new 2-argument shrinker exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrinker_cb(struct shrinker *, + struct shrink_control *sc); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .shrink = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_NEW_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ->count_objects callback exists" >&5 +$as_echo_n "checking whether ->count_objects callback exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + unsigned long shrinker_cb( + struct shrinker *, + struct shrink_control *sc); + +int +main (void) +{ + + struct shrinker cache_shrinker = { + .count_objects = shrinker_cb, + .scan_objects = shrinker_cb, + .seeks = DEFAULT_SEEKS, + }; + register_shrinker(&cache_shrinker); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SPLIT_SHRINKER_CALLBACK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "error" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct ctl_table has ctl_name" >&5 +$as_echo_n "checking whether struct ctl_table has ctl_name... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct ctl_table ctl __attribute__ ((unused)); + ctl.ctl_name = 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CTL_NAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_TRIM_UNUSED_KSYM is disabled" >&5 +$as_echo_n "checking whether CONFIG_TRIM_UNUSED_KSYM is disabled... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if defined(CONFIG_TRIM_UNUSED_KSYMS) + #error CONFIG_TRIM_UNUSED_KSYMS not defined + #endif + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " + *** This kernel has unused symbols trimming enabled, please disable. + *** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set." "$LINENO" 5 + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether PDE_DATA() is available" >&5 +$as_echo_n "checking whether PDE_DATA() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + PDE_DATA(NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]PDE_DATA[[:space:]]' \ + $LINUX_OBJ/Module*.symvers 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in ; do + grep -q -E "EXPORT_SYMBOL.*(PDE_DATA)" \ + "$LINUX_OBJ/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PDE_DATA 1" >>confdefs.h + + + fi + fi + + + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether set_fs_pwd() requires const struct path *" >&5 +$as_echo_n "checking whether set_fs_pwd() requires const struct path *... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + void (*const set_fs_pwd_func) + (struct fs_struct *, const struct path *) + = set_fs_pwd; + +int +main (void) +{ + + return 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_FS_PWD_WITH_CONST 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + void (*const set_fs_pwd_func) + (struct fs_struct *, struct path *) + = set_fs_pwd; + +int +main (void) +{ + + return 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "unknown" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_unlink() wants 2 args" >&5 +$as_echo_n "checking whether vfs_unlink() wants 2 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_unlink((struct inode *) NULL, (struct dentry *) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_VFS_UNLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_unlink() wants 3 args" >&5 +$as_echo_n "checking whether vfs_unlink() wants 3 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_unlink((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_VFS_UNLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_rename() wants 4 args" >&5 +$as_echo_n "checking whether vfs_rename() wants 4 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_rename((struct inode *) NULL, (struct dentry *) NULL, + (struct inode *) NULL, (struct dentry *) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_4ARGS_VFS_RENAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_rename() wants 5 args" >&5 +$as_echo_n "checking whether vfs_rename() wants 5 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_rename((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_5ARGS_VFS_RENAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_rename() wants 6 args" >&5 +$as_echo_n "checking whether vfs_rename() wants 6 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_rename((struct inode *) NULL, + (struct dentry *) NULL, + (struct inode *) NULL, + (struct dentry *) NULL, + (struct inode **) NULL, + (unsigned int) 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_6ARGS_VFS_RENAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_fsync() wants 2 args" >&5 +$as_echo_n "checking whether vfs_fsync() wants 2 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_fsync(NULL, 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_VFS_FSYNC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether truncate_range() inode operation is available" >&5 +$as_echo_n "checking whether truncate_range() inode operation is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode_operations ops; + ops.truncate_range = NULL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_TRUNCATE_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct fs_struct uses spinlock_t" >&5 +$as_echo_n "checking whether struct fs_struct uses spinlock_t... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + static struct fs_struct fs; + spin_lock_init(&fs.lock); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FS_STRUCT_SPINLOCK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kuid_t/kgid_t is available" >&5 +$as_echo_n "checking whether kuid_t/kgid_t is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + kuid_t userid = KUIDT_INIT(0); + kgid_t groupid = KGIDT_INIT(0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + kuid_t userid = 0; + kgid_t groupid = 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes; optional" >&5 +$as_echo "yes; optional" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes; mandatory" >&5 +$as_echo "yes; mandatory" >&6; } + +$as_echo "#define HAVE_KUIDGID_T 1" >>confdefs.h + + + + +fi + rm -Rf build + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __put_task_struct() is available" >&5 +$as_echo_n "checking whether __put_task_struct() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + __put_task_struct(NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]__put_task_struct[[:space:]]' \ + $LINUX_OBJ/Module*.symvers 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in ; do + grep -q -E "EXPORT_SYMBOL.*(__put_task_struct)" \ + "$LINUX_OBJ/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PUT_TASK_STRUCT 1" >>confdefs.h + + + fi + fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fallocate() exists" >&5 +$as_echo_n "checking whether fops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL; + struct file_operations fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->fallocate() exists" >&5 +$as_echo_n "checking whether iops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL; + struct inode_operations fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fallocate() exists" >&5 +$as_echo_n "checking whether fops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL; + struct file_operations_no_const fops __attribute__ ((unused)) = { + .fallocate = fallocate, + }; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_ZLIB_INFLATE is defined" >&5 +$as_echo_n "checking whether CONFIG_ZLIB_INFLATE is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if !defined(CONFIG_ZLIB_INFLATE) && \ + !defined(CONFIG_ZLIB_INFLATE_MODULE) + #error CONFIG_ZLIB_INFLATE not defined + #endif + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " + *** This kernel does not include the required zlib inflate support. + *** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set." "$LINENO" 5 + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_ZLIB_DEFLATE is defined" >&5 +$as_echo_n "checking whether CONFIG_ZLIB_DEFLATE is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if !defined(CONFIG_ZLIB_DEFLATE) && \ + !defined(CONFIG_ZLIB_DEFLATE_MODULE) + #error CONFIG_ZLIB_DEFLATE not defined + #endif + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " + *** This kernel does not include the required zlib deflate support. + *** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set." "$LINENO" 5 + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether zlib_deflate_workspacesize() wants 2 args" >&5 +$as_echo_n "checking whether zlib_deflate_workspacesize() wants 2 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct shrink_control exists" >&5 +$as_echo_n "checking whether struct shrink_control exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct shrink_control sc __attribute__ ((unused)); + + sc.nr_to_scan = 0; + sc.gfp_mask = GFP_KERNEL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SHRINK_CONTROL_STRUCT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct rw_semaphore member wait_lock is raw" >&5 +$as_echo_n "checking whether struct rw_semaphore member wait_lock is raw... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct rw_semaphore dummy_semaphore __attribute__ ((unused)); + raw_spinlock_t dummy_lock __attribute__ ((unused)); + dummy_semaphore.wait_lock = dummy_lock; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define RWSEM_SPINLOCK_IS_RAW 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct rw_semaphore has member activity" >&5 +$as_echo_n "checking whether struct rw_semaphore has member activity... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct rw_semaphore dummy_semaphore __attribute__ ((unused)); + dummy_semaphore.activity = 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_RWSEM_ACTIVITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct rw_semaphore has atomic_long_t member count" >&5 +$as_echo_n "checking whether struct rw_semaphore has atomic_long_t member count... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + DECLARE_RWSEM(dummy_semaphore); + (void) atomic_long_read(&dummy_semaphore.count); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_RWSEM_ATOMIC_LONG_COUNT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether header linux/sched/rt.h exists" >&5 +$as_echo_n "checking whether header linux/sched/rt.h exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + return 0; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + +$as_echo "#define HAVE_SCHED_RT_HEADER 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether vfs_getattr() wants" >&5 +$as_echo_n "checking whether vfs_getattr() wants... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_getattr((struct path *) NULL, + (struct kstat *)NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: 2 args" >&5 +$as_echo "2 args" >&6; } + +$as_echo "#define HAVE_2ARGS_VFS_GETATTR 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + vfs_getattr((struct vfsmount *)NULL, + (struct dentry *)NULL, + (struct kstat *)NULL); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: 3 args" >&5 +$as_echo "3 args" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "unknown" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether usleep_range() is available" >&5 +$as_echo_n "checking whether usleep_range() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + usleep_range(0, 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_USLEEP_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct kmem_cache has allocflags" >&5 +$as_echo_n "checking whether struct kmem_cache has allocflags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct kmem_cache cachep __attribute__ ((unused)); + cachep.allocflags = GFP_KERNEL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KMEM_CACHE_ALLOCFLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct kmem_cache has gfpflags" >&5 +$as_echo_n "checking whether struct kmem_cache has gfpflags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct kmem_cache cachep __attribute__ ((unused)); + cachep.gfpflags = GFP_KERNEL; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KMEM_CACHE_GFPFLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether wait_on_bit() takes an action" >&5 +$as_echo_n "checking whether wait_on_bit() takes an action... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int (*action)(void *) = NULL; + wait_on_bit(NULL, 0, action, 0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_WAIT_ON_BIT_ACTION 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether inode_lock_shared() exists" >&5 +$as_echo_n "checking whether inode_lock_shared() exists... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *inode = NULL; + inode_lock_shared(inode); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_LOCK_SHARED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mutex has owner" >&5 +$as_echo_n "checking whether mutex has owner... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + DEFINE_MUTEX(m); + struct task_struct *t __attribute__ ((unused)); + t = m.owner; + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_MUTEX_OWNER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether group_info->gid exists" >&5 +$as_echo_n "checking whether group_info->gid exists... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct group_info *gi = groups_alloc(1); + gi->gid[0] = KGIDT_INIT(0); + + ; + return 0; +} + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GROUP_INFO_GID 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + ;; + srpm) ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Error!" >&5 +$as_echo "Error!" >&6; } + as_fn_error $? "Bad value \"$SPL_CONFIG\" for --with-config, + user kernel|user|all|srpm" "$LINENO" 5 ;; + esac + + if test "$SPL_CONFIG" = user -o "$SPL_CONFIG" = all; then + CONFIG_USER_TRUE= + CONFIG_USER_FALSE='#' +else + CONFIG_USER_TRUE='#' + CONFIG_USER_FALSE= +fi + + if test "$SPL_CONFIG" = kernel -o "$SPL_CONFIG" = all && + test "x$enable_linux_builtin" != xyes ; then + CONFIG_KERNEL_TRUE= + CONFIG_KERNEL_FALSE='#' +else + CONFIG_KERNEL_TRUE='#' + CONFIG_KERNEL_FALSE= +fi + + + +ac_config_files="$ac_config_files Makefile man/Makefile man/man1/Makefile man/man5/Makefile lib/Makefile cmd/Makefile module/Makefile module/spl/Makefile module/splat/Makefile include/Makefile include/fs/Makefile include/linux/Makefile include/rpc/Makefile include/sharefs/Makefile include/sys/Makefile include/sys/fm/Makefile include/sys/fs/Makefile include/sys/sysevent/Makefile include/util/Makefile include/vm/Makefile scripts/Makefile rpm/Makefile rpm/redhat/Makefile rpm/redhat/spl.spec rpm/redhat/spl-kmod.spec rpm/redhat/spl-dkms.spec rpm/generic/Makefile rpm/generic/spl.spec rpm/generic/spl-kmod.spec rpm/generic/spl-dkms.spec spl.release" + + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. 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"$LINENO" 5 +fi +if test -z "${CONFIG_KERNEL_TRUE}" && test -z "${CONFIG_KERNEL_FALSE}"; then + as_fn_error $? "conditional \"CONFIG_KERNEL\" was never defined. +Usually this means the macro was only invoked conditionally." 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by spl $as_me 0.6.5.9, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to the package provider." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +spl config.status 0.6.5.9 +configured by $0, generated by GNU Autoconf 2.69, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2012 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`' +macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`' +enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`' +enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`' +pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`' +enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`' +shared_archive_member_spec='`$ECHO "$shared_archive_member_spec" | $SED "$delay_single_quote_subst"`' +SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`' +ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`' +PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`' +host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`' +host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`' +host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`' +build_alias='`$ECHO "$build_alias" | $SED "$delay_single_quote_subst"`' +build='`$ECHO "$build" | $SED "$delay_single_quote_subst"`' +build_os='`$ECHO "$build_os" | $SED "$delay_single_quote_subst"`' +SED='`$ECHO "$SED" | $SED "$delay_single_quote_subst"`' +Xsed='`$ECHO "$Xsed" | $SED "$delay_single_quote_subst"`' +GREP='`$ECHO "$GREP" | $SED "$delay_single_quote_subst"`' +EGREP='`$ECHO "$EGREP" | $SED "$delay_single_quote_subst"`' +FGREP='`$ECHO "$FGREP" | $SED "$delay_single_quote_subst"`' +LD='`$ECHO "$LD" | $SED "$delay_single_quote_subst"`' +NM='`$ECHO "$NM" | $SED "$delay_single_quote_subst"`' +LN_S='`$ECHO "$LN_S" | $SED "$delay_single_quote_subst"`' +max_cmd_len='`$ECHO "$max_cmd_len" | $SED "$delay_single_quote_subst"`' +ac_objext='`$ECHO "$ac_objext" | $SED "$delay_single_quote_subst"`' +exeext='`$ECHO "$exeext" | $SED "$delay_single_quote_subst"`' +lt_unset='`$ECHO "$lt_unset" | $SED "$delay_single_quote_subst"`' +lt_SP2NL='`$ECHO "$lt_SP2NL" | $SED "$delay_single_quote_subst"`' +lt_NL2SP='`$ECHO "$lt_NL2SP" | $SED "$delay_single_quote_subst"`' +lt_cv_to_host_file_cmd='`$ECHO "$lt_cv_to_host_file_cmd" | $SED "$delay_single_quote_subst"`' +lt_cv_to_tool_file_cmd='`$ECHO "$lt_cv_to_tool_file_cmd" | $SED "$delay_single_quote_subst"`' +reload_flag='`$ECHO "$reload_flag" | $SED "$delay_single_quote_subst"`' +reload_cmds='`$ECHO "$reload_cmds" | $SED "$delay_single_quote_subst"`' +OBJDUMP='`$ECHO "$OBJDUMP" | $SED "$delay_single_quote_subst"`' +deplibs_check_method='`$ECHO "$deplibs_check_method" | $SED "$delay_single_quote_subst"`' +file_magic_cmd='`$ECHO "$file_magic_cmd" | $SED "$delay_single_quote_subst"`' +file_magic_glob='`$ECHO "$file_magic_glob" | $SED "$delay_single_quote_subst"`' +want_nocaseglob='`$ECHO "$want_nocaseglob" | $SED "$delay_single_quote_subst"`' +DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`' +sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`' +AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`' +AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`' +archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`' +STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`' +RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`' +old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`' +old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`' +lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`' +CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`' +CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`' +compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`' +GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_import='`$ECHO "$lt_cv_sys_global_symbol_to_import" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`' +lt_cv_nm_interface='`$ECHO "$lt_cv_nm_interface" | $SED "$delay_single_quote_subst"`' +nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`' +lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`' +lt_cv_truncate_bin='`$ECHO "$lt_cv_truncate_bin" | $SED "$delay_single_quote_subst"`' +objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`' +MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`' +need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`' +MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`' +DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`' +NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`' +LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`' +OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`' +OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`' +libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`' +shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`' +extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`' +compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`' +module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`' +configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +PATH_SEPARATOR \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +AR_FLAGS \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_import \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +lt_cv_nm_interface \ +nm_file_list_spec \ +lt_cv_truncate_bin \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +configure_time_dlsearch_path \ +configure_time_lt_sys_library_path; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' + +# See if we are running on zsh, and set the options that allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + RM='$RM' + ofile='$ofile' + + + + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "spl_config.h") CONFIG_HEADERS="$CONFIG_HEADERS spl_config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "man/Makefile") CONFIG_FILES="$CONFIG_FILES man/Makefile" ;; + "man/man1/Makefile") CONFIG_FILES="$CONFIG_FILES man/man1/Makefile" ;; + "man/man5/Makefile") CONFIG_FILES="$CONFIG_FILES man/man5/Makefile" ;; + "lib/Makefile") CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;; + "cmd/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/Makefile" ;; + "module/Makefile") CONFIG_FILES="$CONFIG_FILES module/Makefile" ;; + "module/spl/Makefile") CONFIG_FILES="$CONFIG_FILES module/spl/Makefile" ;; + "module/splat/Makefile") CONFIG_FILES="$CONFIG_FILES module/splat/Makefile" ;; + "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;; + "include/fs/Makefile") CONFIG_FILES="$CONFIG_FILES include/fs/Makefile" ;; + "include/linux/Makefile") CONFIG_FILES="$CONFIG_FILES include/linux/Makefile" ;; + "include/rpc/Makefile") CONFIG_FILES="$CONFIG_FILES include/rpc/Makefile" ;; + "include/sharefs/Makefile") CONFIG_FILES="$CONFIG_FILES include/sharefs/Makefile" ;; + "include/sys/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/Makefile" ;; + "include/sys/fm/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fm/Makefile" ;; + "include/sys/fs/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fs/Makefile" ;; + "include/sys/sysevent/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/sysevent/Makefile" ;; + "include/util/Makefile") CONFIG_FILES="$CONFIG_FILES include/util/Makefile" ;; + "include/vm/Makefile") CONFIG_FILES="$CONFIG_FILES include/vm/Makefile" ;; + "scripts/Makefile") CONFIG_FILES="$CONFIG_FILES scripts/Makefile" ;; + "rpm/Makefile") CONFIG_FILES="$CONFIG_FILES rpm/Makefile" ;; + "rpm/redhat/Makefile") CONFIG_FILES="$CONFIG_FILES rpm/redhat/Makefile" ;; + "rpm/redhat/spl.spec") CONFIG_FILES="$CONFIG_FILES rpm/redhat/spl.spec" ;; + "rpm/redhat/spl-kmod.spec") CONFIG_FILES="$CONFIG_FILES rpm/redhat/spl-kmod.spec" ;; + "rpm/redhat/spl-dkms.spec") CONFIG_FILES="$CONFIG_FILES rpm/redhat/spl-dkms.spec" ;; + "rpm/generic/Makefile") CONFIG_FILES="$CONFIG_FILES rpm/generic/Makefile" ;; + "rpm/generic/spl.spec") CONFIG_FILES="$CONFIG_FILES rpm/generic/spl.spec" ;; + "rpm/generic/spl-kmod.spec") CONFIG_FILES="$CONFIG_FILES rpm/generic/spl-kmod.spec" ;; + "rpm/generic/spl-dkms.spec") CONFIG_FILES="$CONFIG_FILES rpm/generic/spl-dkms.spec" ;; + "spl.release") CONFIG_FILES="$CONFIG_FILES spl.release" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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"could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;; + esac + ac_MKDIR_P=$MKDIR_P + case $MKDIR_P in + [\\/$]* | ?:[\\/]* ) ;; + */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;; + esac +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +s&@INSTALL@&$ac_INSTALL&;t t +s&@MKDIR_P@&$ac_MKDIR_P&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? 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Let's play safe and only enable the eval + # if we detect the quoting. + case $CONFIG_FILES in + *\'*) eval set x "$CONFIG_FILES" ;; + *) set x $CONFIG_FILES ;; + esac + shift + for mf + do + # Strip MF so we end up with the name of the file. + mf=`echo "$mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile or not. + # We used to match only the files named 'Makefile.in', but + # some people rename them; so instead we look at the file content. + # Grep'ing the first line is not enough: some people post-process + # each Makefile.in and add a new line on top of each file to say so. + # Grep'ing the whole file is not good either: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then + dirpart=`$as_dirname -- "$mf" || +$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$mf" : 'X\(//\)[^/]' \| \ + X"$mf" : 'X\(//\)$' \| \ + X"$mf" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + else + continue + fi + # Extract the definition of DEPDIR, am__include, and am__quote + # from the Makefile without running 'make'. + DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` + test -z "$DEPDIR" && continue + am__include=`sed -n 's/^am__include = //p' < "$mf"` + test -z "$am__include" && continue + am__quote=`sed -n 's/^am__quote = //p' < "$mf"` + # Find all dependency output files, they are included files with + # $(DEPDIR) in their names. We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`$as_dirname -- "$file" || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir=$dirpart/$fdir; as_fn_mkdir_p + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done + done +} + ;; + "libtool":C) + + # See if we are running on zsh, and set the options that allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST + fi + + cfgfile=${ofile}T + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL +# Generated automatically by $as_me ($PACKAGE) $VERSION +# NOTE: Changes made to this file will be lost: look at ltmain.sh. + +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit, 1996 + +# Copyright (C) 2014 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program or library that is built +# using GNU Libtool, you may include this file under the same +# distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +# The names of the tagged configurations supported by this script. +available_tags='' + +# Configured defaults for sys_lib_dlsearch_path munging. +: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"} + +# ### BEGIN LIBTOOL CONFIG + +# Which release of libtool.m4 was used? +macro_version=$macro_version +macro_revision=$macro_revision + +# Whether or not to build shared libraries. +build_libtool_libs=$enable_shared + +# Whether or not to build static libraries. +build_old_libs=$enable_static + +# What type of objects to build. +pic_mode=$pic_mode + +# Whether or not to optimize for fast installation. +fast_install=$enable_fast_install + +# Shared archive member basename,for filename based shared library versioning on AIX. +shared_archive_member_spec=$shared_archive_member_spec + +# Shell to use when invoking shell scripts. +SHELL=$lt_SHELL + +# An echo program that protects backslashes. +ECHO=$lt_ECHO + +# The PATH separator for the build system. +PATH_SEPARATOR=$lt_PATH_SEPARATOR + +# The host system. +host_alias=$host_alias +host=$host +host_os=$host_os + +# The build system. +build_alias=$build_alias +build=$build +build_os=$build_os + +# A sed program that does not truncate output. +SED=$lt_SED + +# Sed that helps us avoid accidentally triggering echo(1) options like -n. +Xsed="\$SED -e 1s/^X//" + +# A grep program that handles long lines. +GREP=$lt_GREP + +# An ERE matcher. +EGREP=$lt_EGREP + +# A literal string matcher. +FGREP=$lt_FGREP + +# A BSD- or MS-compatible name lister. +NM=$lt_NM + +# Whether we need soft or hard links. +LN_S=$lt_LN_S + +# What is the maximum length of a command? +max_cmd_len=$max_cmd_len + +# Object file suffix (normally "o"). +objext=$ac_objext + +# Executable file suffix (normally ""). +exeext=$exeext + +# whether the shell understands "unset". +lt_unset=$lt_unset + +# turn spaces into newlines. +SP2NL=$lt_lt_SP2NL + +# turn newlines into spaces. +NL2SP=$lt_lt_NL2SP + +# convert \$build file names to \$host format. +to_host_file_cmd=$lt_cv_to_host_file_cmd + +# convert \$build files to toolchain format. +to_tool_file_cmd=$lt_cv_to_tool_file_cmd + +# An object symbol dumper. +OBJDUMP=$lt_OBJDUMP + +# Method to check whether dependent libraries are shared objects. +deplibs_check_method=$lt_deplibs_check_method + +# Command to use when deplibs_check_method = "file_magic". +file_magic_cmd=$lt_file_magic_cmd + +# How to find potential files when deplibs_check_method = "file_magic". +file_magic_glob=$lt_file_magic_glob + +# Find potential files using nocaseglob when deplibs_check_method = "file_magic". +want_nocaseglob=$lt_want_nocaseglob + +# DLL creation program. +DLLTOOL=$lt_DLLTOOL + +# Command to associate shared and link libraries. +sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd + +# The archiver. +AR=$lt_AR + +# Flags to create an archive. +AR_FLAGS=$lt_AR_FLAGS + +# How to feed a file listing to the archiver. +archiver_list_spec=$lt_archiver_list_spec + +# A symbol stripping program. +STRIP=$lt_STRIP + +# Commands used to install an old-style archive. +RANLIB=$lt_RANLIB +old_postinstall_cmds=$lt_old_postinstall_cmds +old_postuninstall_cmds=$lt_old_postuninstall_cmds + +# Whether to use a lock for old archive extraction. +lock_old_archive_extraction=$lock_old_archive_extraction + +# A C compiler. +LTCC=$lt_CC + +# LTCC compiler flags. +LTCFLAGS=$lt_CFLAGS + +# Take the output of nm and produce a listing of raw symbols and C names. +global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe + +# Transform the output of nm in a proper C declaration. +global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl + +# Transform the output of nm into a list of symbols to manually relocate. +global_symbol_to_import=$lt_lt_cv_sys_global_symbol_to_import + +# Transform the output of nm in a C name address pair. +global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address + +# Transform the output of nm in a C name address pair when lib prefix is needed. +global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix + +# The name lister interface. +nm_interface=$lt_lt_cv_nm_interface + +# Specify filename containing input files for \$NM. +nm_file_list_spec=$lt_nm_file_list_spec + +# The root where to search for dependent libraries,and where our libraries should be installed. +lt_sysroot=$lt_sysroot + +# Command to truncate a binary pipe. +lt_truncate_bin=$lt_lt_cv_truncate_bin + +# The name of the directory that contains temporary libtool files. +objdir=$objdir + +# Used to examine libraries when file_magic_cmd begins with "file". +MAGIC_CMD=$MAGIC_CMD + +# Must we lock files when doing compilation? +need_locks=$lt_need_locks + +# Manifest tool. +MANIFEST_TOOL=$lt_MANIFEST_TOOL + +# Tool to manipulate archived DWARF debug symbol files on Mac OS X. +DSYMUTIL=$lt_DSYMUTIL + +# Tool to change global to local symbols on Mac OS X. +NMEDIT=$lt_NMEDIT + +# Tool to manipulate fat objects and archives on Mac OS X. +LIPO=$lt_LIPO + +# ldd/readelf like tool for Mach-O binaries on Mac OS X. +OTOOL=$lt_OTOOL + +# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4. +OTOOL64=$lt_OTOOL64 + +# Old archive suffix (normally "a"). +libext=$libext + +# Shared library suffix (normally ".so"). +shrext_cmds=$lt_shrext_cmds + +# The commands to extract the exported symbol list from a shared archive. +extract_expsyms_cmds=$lt_extract_expsyms_cmds + +# Variables whose values should be saved in libtool wrapper scripts and +# restored at link time. +variables_saved_for_relink=$lt_variables_saved_for_relink + +# Do we need the "lib" prefix for modules? +need_lib_prefix=$need_lib_prefix + +# Do we need a version for libraries? +need_version=$need_version + +# Library versioning type. +version_type=$version_type + +# Shared library runtime path variable. +runpath_var=$runpath_var + +# Shared library path variable. +shlibpath_var=$shlibpath_var + +# Is shlibpath searched before the hard-coded library search path? +shlibpath_overrides_runpath=$shlibpath_overrides_runpath + +# Format of library name prefix. +libname_spec=$lt_libname_spec + +# List of archive names. First name is the real one, the rest are links. +# The last name is the one that the linker finds with -lNAME +library_names_spec=$lt_library_names_spec + +# The coded name of the library, if different from the real name. +soname_spec=$lt_soname_spec + +# Permission mode override for installation of shared libraries. +install_override_mode=$lt_install_override_mode + +# Command to use after installation of a shared archive. +postinstall_cmds=$lt_postinstall_cmds + +# Command to use after uninstallation of a shared archive. +postuninstall_cmds=$lt_postuninstall_cmds + +# Commands used to finish a libtool library installation in a directory. +finish_cmds=$lt_finish_cmds + +# As "finish_cmds", except a single script fragment to be evaled but +# not shown. +finish_eval=$lt_finish_eval + +# Whether we should hardcode library paths into libraries. +hardcode_into_libs=$hardcode_into_libs + +# Compile-time system search path for libraries. +sys_lib_search_path_spec=$lt_sys_lib_search_path_spec + +# Detected run-time system search path for libraries. +sys_lib_dlsearch_path_spec=$lt_configure_time_dlsearch_path + +# Explicit LT_SYS_LIBRARY_PATH set during ./configure time. +configure_time_lt_sys_library_path=$lt_configure_time_lt_sys_library_path + +# Whether dlopen is supported. +dlopen_support=$enable_dlopen + +# Whether dlopen of programs is supported. +dlopen_self=$enable_dlopen_self + +# Whether dlopen of statically linked programs is supported. +dlopen_self_static=$enable_dlopen_self_static + +# Commands to strip libraries. +old_striplib=$lt_old_striplib +striplib=$lt_striplib + + +# The linker used to build libraries. +LD=$lt_LD + +# How to create reloadable object files. +reload_flag=$lt_reload_flag +reload_cmds=$lt_reload_cmds + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds + +# A language specific compiler. +CC=$lt_compiler + +# Is the compiler the GNU compiler? +with_gcc=$GCC + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds +archive_expsym_cmds=$lt_archive_expsym_cmds + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds +module_expsym_cmds=$lt_module_expsym_cmds + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \$shlibpath_var if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# ### END LIBTOOL CONFIG + +_LT_EOF + + cat <<'_LT_EOF' >> "$cfgfile" + +# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + + +# ### END FUNCTIONS SHARED WITH CONFIGURE + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain=$ac_aux_dir/ltmain.sh + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/spl/configure.ac b/spl/configure.ac new file mode 100644 index 000000000000..efeb243cba69 --- /dev/null +++ b/spl/configure.ac @@ -0,0 +1,84 @@ +############################################################################### +# SPL AutoConf Configuration +############################################################################### +# Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. +# Copyright (C) 2007 The Regents of the University of California. +# Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). +# Written by Brian Behlendorf . +# UCRL-CODE-235197 +# +# This file is part of the SPL, Solaris Porting Layer. +# For details, see . +# +# The SPL is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# The SPL is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with the SPL. If not, see . +############################################################################### + +AC_INIT(m4_esyscmd(grep Name META | cut -d ':' -f 2 | tr -d ' \n'), + m4_esyscmd(grep Version META | cut -d ':' -f 2 | tr -d ' \n')) +AC_LANG(C) +SPL_AC_META +AC_CONFIG_AUX_DIR([config]) +AC_CONFIG_MACRO_DIR([config]) +AC_CANONICAL_SYSTEM +AM_MAINTAINER_MODE +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) +AM_INIT_AUTOMAKE +AC_CONFIG_HEADERS([spl_config.h], [ + (mv spl_config.h spl_config.h.tmp && + awk -f ${ac_srcdir}/config/config.awk spl_config.h.tmp >spl_config.h && + rm spl_config.h.tmp) || exit 1]) + +AC_PROG_INSTALL +AC_PROG_CC +AC_PROG_LIBTOOL + +SPL_AC_LICENSE +SPL_AC_PACKAGE +SPL_AC_CONFIG + +AC_CONFIG_FILES([ + Makefile + man/Makefile + man/man1/Makefile + man/man5/Makefile + lib/Makefile + cmd/Makefile + module/Makefile + module/spl/Makefile + module/splat/Makefile + include/Makefile + include/fs/Makefile + include/linux/Makefile + include/rpc/Makefile + include/sharefs/Makefile + include/sys/Makefile + include/sys/fm/Makefile + include/sys/fs/Makefile + include/sys/sysevent/Makefile + include/util/Makefile + include/vm/Makefile + scripts/Makefile + rpm/Makefile + rpm/redhat/Makefile + rpm/redhat/spl.spec + rpm/redhat/spl-kmod.spec + rpm/redhat/spl-dkms.spec + rpm/generic/Makefile + rpm/generic/spl.spec + rpm/generic/spl-kmod.spec + rpm/generic/spl-dkms.spec + spl.release +]) + +AC_OUTPUT diff --git a/spl/copy-builtin b/spl/copy-builtin new file mode 100755 index 000000000000..34c482bab697 --- /dev/null +++ b/spl/copy-builtin @@ -0,0 +1,126 @@ +#!/bin/bash + +set -e + +usage() +{ + echo "usage: $0 " >&2 + exit 1 +} + +[ "$#" -eq 1 ] || usage +KERNEL_DIR="$(readlink --canonicalize-existing "$1")" + +MODULES=() +for MODULE_DIR in module/* +do + [ -d "$MODULE_DIR" ] || continue + MODULES+=("${MODULE_DIR##*/}") +done + +if ! [ -e 'spl_config.h' ] +then + echo >&2 + echo " $0: you did not run configure, or you're not in the SPL source directory." >&2 + echo " $0: run configure with --with-linux=$KERNEL_DIR and --enable-linux-builtin." >&2 + echo >&2 + exit 1 +fi + +make clean || true + +rm -rf "$KERNEL_DIR/include/spl" "$KERNEL_DIR/spl" +cp --recursive include "$KERNEL_DIR/include/spl" +cp --recursive module "$KERNEL_DIR/spl" +cp spl_config.h "$KERNEL_DIR/" +cp spl.release.in "$KERNEL_DIR/" + +adjust_obj_paths() +{ + local FILE="$1" + local LINE OBJPATH + + while IFS='' read -r LINE + do + OBJPATH="${LINE#\$(MODULE)-objs += }" + if [ "$OBJPATH" = "$LINE" ] + then + echo "$LINE" + else + echo "\$(MODULE)-objs += ${OBJPATH##*/}" + fi + done < "$FILE" > "$FILE.new" + mv "$FILE.new" "$FILE" +} + +for MODULE in "${MODULES[@]}" +do + adjust_obj_paths "$KERNEL_DIR/spl/$MODULE/Makefile" + sed -i.bak '/obj =/d' "$KERNEL_DIR/spl/$MODULE/Makefile" + sed -i.bak '/src =/d' "$KERNEL_DIR/spl/$MODULE/Makefile" +done + +cat > "$KERNEL_DIR/spl/Kconfig" <<"EOF" +config SPL + tristate "Solaris Porting Layer (SPL)" + help + This is the SPL library from the ZFS On Linux project. + + See http://zfsonlinux.org/ + + To compile this library as a module, choose M here. + + If unsure, say N. +EOF + +{ + cat <<-"EOF" + SPL_MODULE_CFLAGS = -I$(srctree)/include/spl + SPL_MODULE_CFLAGS += -include $(srctree)/spl_config.h + export SPL_MODULE_CFLAGS + + obj-$(CONFIG_SPL) := + EOF + + for MODULE in "${MODULES[@]}" + do + echo 'obj-$(CONFIG_SPL) += ' "$MODULE/" + done +} > "$KERNEL_DIR/spl/Kbuild" + +add_after() +{ + local FILE="$1" + local MARKER="$2" + local NEW="$3" + local LINE + + while IFS='' read -r LINE + do + echo "$LINE" + + if [ -n "$MARKER" -a "$LINE" = "$MARKER" ] + then + echo "$NEW" + MARKER='' + if IFS='' read -r LINE + then + [ "$LINE" != "$NEW" ] && echo "$LINE" + fi + fi + done < "$FILE" > "$FILE.new" + + mv "$FILE.new" "$FILE" +} + +add_after "$KERNEL_DIR/Kconfig" 'source "arch/$SRCARCH/Kconfig"' 'source "spl/Kconfig"' +# We must take care to build SPL before ZFS, otherwise the symbols required +# to link ZFS will not be available. +sed -i 's~mm/ fs/~mm/ spl/ fs/~' "$KERNEL_DIR/Makefile" + +echo >&2 +echo " $0: done." >&2 +echo " $0: now you can build the kernel with SPL support." >&2 +echo " $0: make sure you enable SPL support (CONFIG_SPL) before building." >&2 +echo >&2 + diff --git a/spl/cp b/spl/cp new file mode 100755 index 000000000000..46ff2c9b003b --- /dev/null +++ b/spl/cp @@ -0,0 +1,2 @@ +#!/bin/sh +cp "$@" diff --git a/spl/dkms.conf b/spl/dkms.conf new file mode 100644 index 000000000000..80058f2444b4 --- /dev/null +++ b/spl/dkms.conf @@ -0,0 +1,36 @@ +AUTOINSTALL="yes" +PACKAGE_NAME="spl" +PACKAGE_VERSION="0.6.5.9" +PRE_BUILD="configure + --prefix=/usr + --with-config=kernel + --with-linux=$(case `lsb_release -is` in + (Debian) + if [ -e ${kernel_source_dir/%build/source} ] + then + echo ${kernel_source_dir/%build/source} + else + # This is a kpkg exception for Proxmox 2.0 + echo ${kernel_source_dir} + fi + ;; + (*) + echo ${kernel_source_dir} + ;; + esac) + --with-linux-obj=${kernel_source_dir} +" +POST_BUILD="cp + ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/spl_config.h + ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/module/Module.symvers + ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/${kernelver}/${arch}/ +" +[ -d "${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build" ] && POST_INSTALL=${POST_BUILD} +REMAKE_INITRD="no" +MAKE[0]="make" +BUILT_MODULE_NAME[0]="spl" +BUILT_MODULE_LOCATION[0]="module/spl/" +DEST_MODULE_LOCATION[0]="/extra/spl/spl" +BUILT_MODULE_NAME[1]="splat" +BUILT_MODULE_LOCATION[1]="module/splat/" +DEST_MODULE_LOCATION[1]="/extra/splat/splat" diff --git a/spl/include/Makefile.am b/spl/include/Makefile.am new file mode 100644 index 000000000000..3200222dbb0a --- /dev/null +++ b/spl/include/Makefile.am @@ -0,0 +1,18 @@ +SUBDIRS = fs linux rpc sharefs sys util vm + +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/splat-ctl.h \ + $(top_srcdir)/include/spl-ctl.h \ + $(top_srcdir)/include/strings.h \ + $(top_srcdir)/include/unistd.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/Makefile.in b/spl/include/Makefile.in new file mode 100644 index 000000000000..9cabebdabc37 --- /dev/null +++ b/spl/include/Makefile.in @@ -0,0 +1,743 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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a/spl/include/fs/fs_subr.h b/spl/include/fs/fs_subr.h new file mode 100644 index 000000000000..33ccc684e25a --- /dev/null +++ b/spl/include/fs/fs_subr.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_FS_FS_SUBR_H +#define _SPL_FS_FS_SUBR_H + +#endif /* SPL_FS_FS_SUBR_H */ diff --git a/spl/include/linux/Makefile.am b/spl/include/linux/Makefile.am new file mode 100644 index 000000000000..712e94ebee9d --- /dev/null +++ b/spl/include/linux/Makefile.am @@ -0,0 +1,23 @@ +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/linux/bitops_compat.h \ + $(top_srcdir)/include/linux/compiler_compat.h \ + $(top_srcdir)/include/linux/delay_compat.h \ + $(top_srcdir)/include/linux/file_compat.h \ + $(top_srcdir)/include/linux/list_compat.h \ + $(top_srcdir)/include/linux/math64_compat.h \ + $(top_srcdir)/include/linux/mm_compat.h \ + $(top_srcdir)/include/linux/proc_compat.h \ + $(top_srcdir)/include/linux/rwsem_compat.h \ + $(top_srcdir)/include/linux/wait_compat.h \ + $(top_srcdir)/include/linux/zlib_compat.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/linux +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/linux/Makefile.in b/spl/include/linux/Makefile.in new file mode 100644 index 000000000000..603dda889c90 --- /dev/null +++ b/spl/include/linux/Makefile.in @@ -0,0 +1,641 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_BITOPS_COMPAT_H +#define _SPL_BITOPS_COMPAT_H + +#include + +#endif /* _SPL_BITOPS_COMPAT_H */ + diff --git a/spl/include/linux/compiler_compat.h b/spl/include/linux/compiler_compat.h new file mode 100644 index 000000000000..8dbbeee72066 --- /dev/null +++ b/spl/include/linux/compiler_compat.h @@ -0,0 +1,47 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_COMPILER_COMPAT_H +#define _SPL_COMPILER_COMPAT_H + +#include + +#ifndef ACCESS_ONCE +/* + * Prevent the compiler from merging or refetching accesses. The compiler + * is also forbidden from reordering successive instances of ACCESS_ONCE(), + * but only when the compiler is aware of some particular ordering. One way + * to make the compiler aware of ordering is to put the two invocations of + * ACCESS_ONCE() in different C statements. + * + * This macro does absolutely -nothing- to prevent the CPU from reordering, + * merging, or refetching absolutely anything at any time. Its main intended + * use is to mediate communication between process-level code and irq/NMI + * handlers, all running on the same CPU. + */ +/* Taken from 2.6.33.2 */ +# define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) +#endif + +#endif /* _SPL_COMPILER_COMPAT_H */ diff --git a/spl/include/linux/delay_compat.h b/spl/include/linux/delay_compat.h new file mode 100644 index 000000000000..fc9ff66f5de2 --- /dev/null +++ b/spl/include/linux/delay_compat.h @@ -0,0 +1,47 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DELAY_COMPAT_H +#define _SPL_DELAY_COMPAT_H + +#include +#include + +/* usleep_range() introduced in 2.6.36 */ +#ifndef HAVE_USLEEP_RANGE + +static inline void +usleep_range(unsigned long min, unsigned long max) +{ + unsigned int min_ms = min / USEC_PER_MSEC; + + if (min >= MAX_UDELAY_MS) + msleep(min_ms); + else + udelay(min); +} + +#endif /* HAVE_USLEEP_RANGE */ + +#endif /* _SPL_DELAY_COMPAT_H */ diff --git a/spl/include/linux/file_compat.h b/spl/include/linux/file_compat.h new file mode 100644 index 000000000000..916514566a23 --- /dev/null +++ b/spl/include/linux/file_compat.h @@ -0,0 +1,100 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_FILE_COMPAT_H +#define _SPL_FILE_COMPAT_H + +#include +#ifdef HAVE_FDTABLE_HEADER +#include +#endif + +static inline struct file * +spl_filp_open(const char *name, int flags, int mode, int *err) +{ + struct file *filp = NULL; + int rc; + + filp = filp_open(name, flags, mode); + if (IS_ERR(filp)) { + rc = PTR_ERR(filp); + if (err) + *err = rc; + filp = NULL; + } + return filp; +} + +#define spl_filp_close(f) filp_close(f, NULL) +#define spl_filp_poff(f) (&(f)->f_pos) +#define spl_filp_write(fp, b, s, p) (fp)->f_op->write((fp), (b), (s), p) + +static inline int +spl_filp_fallocate(struct file *fp, int mode, loff_t offset, loff_t len) +{ + int error = -EOPNOTSUPP; + +#ifdef HAVE_FILE_FALLOCATE + if (fp->f_op->fallocate) + error = fp->f_op->fallocate(fp, mode, offset, len); +#else +#ifdef HAVE_INODE_FALLOCATE + if (fp->f_dentry && fp->f_dentry->d_inode && + fp->f_dentry->d_inode->i_op->fallocate) + error = fp->f_dentry->d_inode->i_op->fallocate( + fp->f_dentry->d_inode, mode, offset, len); +#endif /* HAVE_INODE_FALLOCATE */ +#endif /*HAVE_FILE_FALLOCATE */ + + return (error); +} + +#ifdef HAVE_2ARGS_VFS_FSYNC +#define spl_filp_fsync(fp, sync) vfs_fsync(fp, sync) +#else +#define spl_filp_fsync(fp, sync) vfs_fsync(fp, (fp)->f_dentry, sync) +#endif /* HAVE_2ARGS_VFS_FSYNC */ + +#ifdef HAVE_INODE_LOCK_SHARED +#define spl_inode_lock(ip) inode_lock(ip) +#define spl_inode_unlock(ip) inode_unlock(ip) +#define spl_inode_lock_shared(ip) inode_lock_shared(ip) +#define spl_inode_unlock_shared(ip) inode_unlock_shared(ip) +#define spl_inode_trylock(ip) inode_trylock(ip) +#define spl_inode_trylock_shared(ip) inode_trylock_shared(ip) +#define spl_inode_is_locked(ip) inode_is_locked(ip) +#define spl_inode_lock_nested(ip, s) inode_lock_nested(ip, s) +#else +#define spl_inode_lock(ip) mutex_lock(&(ip)->i_mutex) +#define spl_inode_unlock(ip) mutex_unlock(&(ip)->i_mutex) +#define spl_inode_lock_shared(ip) mutex_lock(&(ip)->i_mutex) +#define spl_inode_unlock_shared(ip) mutex_unlock(&(ip)->i_mutex) +#define spl_inode_trylock(ip) mutex_trylock(&(ip)->i_mutex) +#define spl_inode_trylock_shared(ip) mutex_trylock(&(ip)->i_mutex) +#define spl_inode_is_locked(ip) mutex_is_locked(&(ip)->i_mutex) +#define spl_inode_lock_nested(ip, s) mutex_lock_nested(&(ip)->i_mutex, s) +#endif + +#endif /* SPL_FILE_COMPAT_H */ + diff --git a/spl/include/linux/list_compat.h b/spl/include/linux/list_compat.h new file mode 100644 index 000000000000..d1e0d9d9601d --- /dev/null +++ b/spl/include/linux/list_compat.h @@ -0,0 +1,51 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_LIST_COMPAT_H +#define _SPL_LIST_COMPAT_H + +#include + +#ifndef list_for_each_entry_safe_reverse + +/** + * list_for_each_entry_safe_reverse + * @pos: the type * to use as a loop cursor. + * @n: another type * to use as temporary storage + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + * + * Iterate backwards over list of given type, safe against removal + * of list entry. + */ +#define list_for_each_entry_safe_reverse(pos, n, head, member) \ + for (pos = list_entry((head)->prev, typeof(*pos), member), \ + n = list_entry(pos->member.prev, typeof(*pos), member); \ + &pos->member != (head); \ + pos = n, n = list_entry(n->member.prev, typeof(*n), member)) + +#endif /* list_for_each_entry_safe_reverse */ + +#endif /* SPL_LIST_COMPAT_H */ + diff --git a/spl/include/linux/math64_compat.h b/spl/include/linux/math64_compat.h new file mode 100644 index 000000000000..2c911a64baac --- /dev/null +++ b/spl/include/linux/math64_compat.h @@ -0,0 +1,32 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_MATH64_COMPAT_H +#define _SPL_MATH64_COMPAT_H + +#ifndef abs64 +#define abs64(x) ({ uint64_t t = (x) >> 63; ((x) ^ t) - t; }) +#endif + +#endif /* _SPL_MATH64_COMPAT_H */ diff --git a/spl/include/linux/mm_compat.h b/spl/include/linux/mm_compat.h new file mode 100644 index 000000000000..7ae940a751b8 --- /dev/null +++ b/spl/include/linux/mm_compat.h @@ -0,0 +1,209 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_MM_COMPAT_H +#define _SPL_MM_COMPAT_H + +#include +#include + +#if !defined(HAVE_SHRINK_CONTROL_STRUCT) +struct shrink_control { + gfp_t gfp_mask; + unsigned long nr_to_scan; +}; +#endif /* HAVE_SHRINK_CONTROL_STRUCT */ + +/* + * Due to frequent changes in the shrinker API the following + * compatibility wrappers should be used. They are as follows: + * + * SPL_SHRINKER_DECLARE is used to declare the shrinker which is + * passed to spl_register_shrinker()/spl_unregister_shrinker(). Use + * shrinker_name to set the shrinker variable name, shrinker_callback + * to set the callback function, and seek_cost to define the cost of + * reclaiming an object. + * + * SPL_SHRINKER_DECLARE(shrinker_name, shrinker_callback, seek_cost); + * + * SPL_SHRINKER_CALLBACK_FWD_DECLARE is used when a forward declaration + * of the shrinker callback function is required. Only the callback + * function needs to be passed. + * + * SPL_SHRINKER_CALLBACK_FWD_DECLARE(shrinker_callback); + * + * SPL_SHRINKER_CALLBACK_WRAPPER is used to declare the callback function + * which is registered with the shrinker. This function will call your + * custom shrinker which must use the following prototype. Notice the + * leading __'s, these must be appended to the callback_function name. + * + * int __shrinker_callback(struct shrinker *, struct shrink_control *) + * SPL_SHRINKER_CALLBACK_WRAPPER(shrinker_callback);a + * + * + * Example: + * + * SPL_SHRINKER_CALLBACK_FWD_DECLARE(my_shrinker_fn); + * SPL_SHRINKER_DECLARE(my_shrinker, my_shrinker_fn, 1); + * + * static int + * __my_shrinker_fn(struct shrinker *shrink, struct shrink_control *sc) + * { + * if (sc->nr_to_scan) { + * ...scan objects in the cache and reclaim them... + * } + * + * ...calculate number of objects in the cache... + * + * return (number of objects in the cache); + * } + * SPL_SHRINKER_CALLBACK_WRAPPER(my_shrinker_fn); + */ + +#define spl_register_shrinker(x) register_shrinker(x) +#define spl_unregister_shrinker(x) unregister_shrinker(x) + +/* + * Linux 2.6.23 - 2.6.34 Shrinker API Compatibility. + */ +#if defined(HAVE_2ARGS_OLD_SHRINKER_CALLBACK) +#define SPL_SHRINKER_DECLARE(s, x, y) \ +static struct shrinker s = { \ + .shrink = x, \ + .seeks = y \ +} + +#define SPL_SHRINKER_CALLBACK_FWD_DECLARE(fn) \ +static int fn(int nr_to_scan, unsigned int gfp_mask) + +#define SPL_SHRINKER_CALLBACK_WRAPPER(fn) \ +static int \ +fn(int nr_to_scan, unsigned int gfp_mask) \ +{ \ + struct shrink_control sc; \ + \ + sc.nr_to_scan = nr_to_scan; \ + sc.gfp_mask = gfp_mask; \ + \ + return (__ ## fn(NULL, &sc)); \ +} + +/* + * Linux 2.6.35 to 2.6.39 Shrinker API Compatibility. + */ +#elif defined(HAVE_3ARGS_SHRINKER_CALLBACK) +#define SPL_SHRINKER_DECLARE(s, x, y) \ +static struct shrinker s = { \ + .shrink = x, \ + .seeks = y \ +} + +#define SPL_SHRINKER_CALLBACK_FWD_DECLARE(fn) \ +static int fn(struct shrinker *, int, unsigned int) + +#define SPL_SHRINKER_CALLBACK_WRAPPER(fn) \ +static int \ +fn(struct shrinker *shrink, int nr_to_scan, unsigned int gfp_mask) \ +{ \ + struct shrink_control sc; \ + \ + sc.nr_to_scan = nr_to_scan; \ + sc.gfp_mask = gfp_mask; \ + \ + return (__ ## fn(shrink, &sc)); \ +} + +/* + * Linux 3.0 to 3.11 Shrinker API Compatibility. + */ +#elif defined(HAVE_2ARGS_NEW_SHRINKER_CALLBACK) +#define SPL_SHRINKER_DECLARE(s, x, y) \ +static struct shrinker s = { \ + .shrink = x, \ + .seeks = y \ +} + +#define SPL_SHRINKER_CALLBACK_FWD_DECLARE(fn) \ +static int fn(struct shrinker *, struct shrink_control *) + +#define SPL_SHRINKER_CALLBACK_WRAPPER(fn) \ +static int \ +fn(struct shrinker *shrink, struct shrink_control *sc) \ +{ \ + return (__ ## fn(shrink, sc)); \ +} + +/* + * Linux 3.12 and later Shrinker API Compatibility. + */ +#elif defined(HAVE_SPLIT_SHRINKER_CALLBACK) +#define SPL_SHRINKER_DECLARE(s, x, y) \ +static struct shrinker s = { \ + .count_objects = x ## _count_objects, \ + .scan_objects = x ## _scan_objects, \ + .seeks = y \ +} + +#define SPL_SHRINKER_CALLBACK_FWD_DECLARE(fn) \ +static unsigned long fn ## _count_objects(struct shrinker *, \ + struct shrink_control *); \ +static unsigned long fn ## _scan_objects(struct shrinker *, \ + struct shrink_control *) + +#define SPL_SHRINKER_CALLBACK_WRAPPER(fn) \ +static unsigned long \ +fn ## _count_objects(struct shrinker *shrink, struct shrink_control *sc)\ +{ \ + int __ret__; \ + \ + sc->nr_to_scan = 0; \ + __ret__ = __ ## fn(NULL, sc); \ + \ + /* Errors may not be returned and must be converted to zeros */ \ + return ((__ret__ < 0) ? 0 : __ret__); \ +} \ + \ +static unsigned long \ +fn ## _scan_objects(struct shrinker *shrink, struct shrink_control *sc) \ +{ \ + int __ret__; \ + \ + __ret__ = __ ## fn(NULL, sc); \ + return ((__ret__ < 0) ? SHRINK_STOP : __ret__); \ +} +#else +/* + * Linux 2.x to 2.6.22, or a newer shrinker API has been introduced. + */ +#error "Unknown shrinker callback" +#endif + +#if defined(HAVE_SPLIT_SHRINKER_CALLBACK) +typedef unsigned long spl_shrinker_t; +#else +typedef int spl_shrinker_t; +#define SHRINK_STOP (-1) +#endif + +#endif /* SPL_MM_COMPAT_H */ diff --git a/spl/include/linux/proc_compat.h b/spl/include/linux/proc_compat.h new file mode 100644 index 000000000000..2c57f39d2ec5 --- /dev/null +++ b/spl/include/linux/proc_compat.h @@ -0,0 +1,35 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_PROC_COMPAT_H +#define _SPL_PROC_COMPAT_H + +#include + +extern struct proc_dir_entry *proc_spl_kstat; + +int spl_proc_init(void); +void spl_proc_fini(void); + +#endif /* SPL_PROC_COMPAT_H */ diff --git a/spl/include/linux/rwsem_compat.h b/spl/include/linux/rwsem_compat.h new file mode 100644 index 000000000000..c874885b0c9d --- /dev/null +++ b/spl/include/linux/rwsem_compat.h @@ -0,0 +1,62 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_RWSEM_COMPAT_H +#define _SPL_RWSEM_COMPAT_H + +#include + +#ifdef CONFIG_RWSEM_GENERIC_SPINLOCK +#define SPL_RWSEM_SINGLE_READER_VALUE (1) +#define SPL_RWSEM_SINGLE_WRITER_VALUE (-1) +#else +#define SPL_RWSEM_SINGLE_READER_VALUE (RWSEM_ACTIVE_READ_BIAS) +#define SPL_RWSEM_SINGLE_WRITER_VALUE (RWSEM_ACTIVE_WRITE_BIAS) +#endif + +/* Linux 3.16 changed activity to count for rwsem-spinlock */ +#if defined(HAVE_RWSEM_ACTIVITY) +#define RWSEM_COUNT(sem) sem->activity +/* Linux 4.8 changed count to an atomic_long_t for !rwsem-spinlock */ +#elif defined(HAVE_RWSEM_ATOMIC_LONG_COUNT) +#define RWSEM_COUNT(sem) atomic_long_read(&(sem)->count) +#else +#define RWSEM_COUNT(sem) sem->count +#endif + +int rwsem_tryupgrade(struct rw_semaphore *rwsem); + +#if defined(RWSEM_SPINLOCK_IS_RAW) +#define spl_rwsem_lock_irqsave(lk, fl) raw_spin_lock_irqsave(lk, fl) +#define spl_rwsem_unlock_irqrestore(lk, fl) raw_spin_unlock_irqrestore(lk, fl) +#define spl_rwsem_trylock_irqsave(lk, fl) raw_spin_trylock_irqsave(lk, fl) +#else +#define spl_rwsem_lock_irqsave(lk, fl) spin_lock_irqsave(lk, fl) +#define spl_rwsem_unlock_irqrestore(lk, fl) spin_unlock_irqrestore(lk, fl) +#define spl_rwsem_trylock_irqsave(lk, fl) spin_trylock_irqsave(lk, fl) +#endif /* RWSEM_SPINLOCK_IS_RAW */ + +#define spl_rwsem_is_locked(rwsem) rwsem_is_locked(rwsem) + +#endif /* _SPL_RWSEM_COMPAT_H */ diff --git a/spl/include/linux/wait_compat.h b/spl/include/linux/wait_compat.h new file mode 100644 index 000000000000..d8cd09b9eb08 --- /dev/null +++ b/spl/include/linux/wait_compat.h @@ -0,0 +1,46 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2014 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_WAIT_COMPAT_H +#define _SPL_WAIT_COMPAT_H + +#include + +#ifndef HAVE_WAIT_ON_BIT_ACTION +# define spl_wait_on_bit(word, bit, mode) wait_on_bit(word, bit, mode) +#else + +static inline int +spl_bit_wait(void *word) +{ + schedule(); + return 0; +} + +#define spl_wait_on_bit(word, bit, mode) \ + wait_on_bit(word, bit, spl_bit_wait, mode) + +#endif /* HAVE_WAIT_ON_BIT_ACTION */ + +#endif /* SPL_WAIT_COMPAT_H */ diff --git a/spl/include/linux/zlib_compat.h b/spl/include/linux/zlib_compat.h new file mode 100644 index 000000000000..ba853c395d39 --- /dev/null +++ b/spl/include/linux/zlib_compat.h @@ -0,0 +1,37 @@ +/*****************************************************************************\ + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ZLIB_COMPAT_H +#define _SPL_ZLIB_COMPAT_H + +#include + +#ifdef HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE +#define spl_zlib_deflate_workspacesize(wb, ml) \ + zlib_deflate_workspacesize(wb, ml) +#else +#define spl_zlib_deflate_workspacesize(wb, ml) \ + zlib_deflate_workspacesize() +#endif /* HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE */ + +#endif /* SPL_ZLIB_COMPAT_H */ diff --git a/spl/include/rpc/Makefile.am b/spl/include/rpc/Makefile.am new file mode 100644 index 000000000000..cfc824685dae --- /dev/null +++ b/spl/include/rpc/Makefile.am @@ -0,0 +1,14 @@ +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/rpc/types.h \ + $(top_srcdir)/include/rpc/xdr.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/rpc +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/rpc/Makefile.in b/spl/include/rpc/Makefile.in new file mode 100644 index 000000000000..c1c162e68e59 --- /dev/null +++ b/spl/include/rpc/Makefile.in @@ -0,0 +1,623 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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exceeded. +.NOEXPORT: diff --git a/spl/include/rpc/types.h b/spl/include/rpc/types.h new file mode 100644 index 000000000000..b57b4bd73cb3 --- /dev/null +++ b/spl/include/rpc/types.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_RPC_TYPES_H +#define _SPL_RPC_TYPES_H + +typedef int bool_t; + +#endif /* SPL_RPC_TYPES_H */ diff --git a/spl/include/rpc/xdr.h b/spl/include/rpc/xdr.h new file mode 100644 index 000000000000..d0f06b55f6f1 --- /dev/null +++ b/spl/include/rpc/xdr.h @@ -0,0 +1,155 @@ +/*****************************************************************************\ + * Copyright (c) 2008 Sun Microsystems, Inc. + * Written by Ricardo Correia + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_RPC_XDR_H +#define _SPL_RPC_XDR_H + +#include +#include + +/* + * XDR enums and types. + */ +enum xdr_op { + XDR_ENCODE, + XDR_DECODE +}; + +struct xdr_ops; + +typedef struct { + struct xdr_ops *x_ops; /* Also used to let caller know if + xdrmem_create() succeeds (sigh..) */ + caddr_t x_addr; /* Current buffer addr */ + caddr_t x_addr_end; /* End of the buffer */ + enum xdr_op x_op; /* Stream direction */ +} XDR; + +typedef bool_t (*xdrproc_t)(XDR *xdrs, void *ptr); + +struct xdr_ops { + bool_t (*xdr_control)(XDR *, int, void *); + + bool_t (*xdr_char)(XDR *, char *); + bool_t (*xdr_u_short)(XDR *, unsigned short *); + bool_t (*xdr_u_int)(XDR *, unsigned *); + bool_t (*xdr_u_longlong_t)(XDR *, u_longlong_t *); + + bool_t (*xdr_opaque)(XDR *, caddr_t, const uint_t); + bool_t (*xdr_string)(XDR *, char **, const uint_t); + bool_t (*xdr_array)(XDR *, caddr_t *, uint_t *, const uint_t, + const uint_t, const xdrproc_t); +}; + +/* + * XDR control operator. + */ +#define XDR_GET_BYTES_AVAIL 1 + +struct xdr_bytesrec { + bool_t xc_is_last_record; + size_t xc_num_avail; +}; + +/* + * XDR functions. + */ +void xdrmem_create(XDR *xdrs, const caddr_t addr, const uint_t size, + const enum xdr_op op); +#define xdr_destroy(xdrs) ((void) 0) /* Currently not needed. If needed later, + we'll add it to struct xdr_ops */ + +#define xdr_control(xdrs, req, info) (xdrs)->x_ops->xdr_control((xdrs), \ + (req), (info)) + +/* + * For precaution, the following are defined as static inlines instead of macros + * to get some amount of type safety. + * + * Also, macros wouldn't work in the case where typecasting is done, because it + * must be possible to reference the functions' addresses by these names. + */ +static inline bool_t xdr_char(XDR *xdrs, char *cp) +{ + return xdrs->x_ops->xdr_char(xdrs, cp); +} + +static inline bool_t xdr_u_short(XDR *xdrs, unsigned short *usp) +{ + return xdrs->x_ops->xdr_u_short(xdrs, usp); +} + +static inline bool_t xdr_short(XDR *xdrs, short *sp) +{ + BUILD_BUG_ON(sizeof(short) != 2); + return xdrs->x_ops->xdr_u_short(xdrs, (unsigned short *) sp); +} + +static inline bool_t xdr_u_int(XDR *xdrs, unsigned *up) +{ + return xdrs->x_ops->xdr_u_int(xdrs, up); +} + +static inline bool_t xdr_int(XDR *xdrs, int *ip) +{ + BUILD_BUG_ON(sizeof(int) != 4); + return xdrs->x_ops->xdr_u_int(xdrs, (unsigned *) ip); +} + +static inline bool_t xdr_u_longlong_t(XDR *xdrs, u_longlong_t *ullp) +{ + return xdrs->x_ops->xdr_u_longlong_t(xdrs, ullp); +} + +static inline bool_t xdr_longlong_t(XDR *xdrs, longlong_t *llp) +{ + BUILD_BUG_ON(sizeof(longlong_t) != 8); + return xdrs->x_ops->xdr_u_longlong_t(xdrs, (u_longlong_t *) llp); +} + +/* + * Fixed-length opaque data. + */ +static inline bool_t xdr_opaque(XDR *xdrs, caddr_t cp, const uint_t cnt) +{ + return xdrs->x_ops->xdr_opaque(xdrs, cp, cnt); +} + +/* + * Variable-length string. + * The *sp buffer must have (maxsize + 1) bytes. + */ +static inline bool_t xdr_string(XDR *xdrs, char **sp, const uint_t maxsize) +{ + return xdrs->x_ops->xdr_string(xdrs, sp, maxsize); +} + +/* + * Variable-length arrays. + */ +static inline bool_t xdr_array(XDR *xdrs, caddr_t *arrp, uint_t *sizep, + const uint_t maxsize, const uint_t elsize, const xdrproc_t elproc) +{ + return xdrs->x_ops->xdr_array(xdrs, arrp, sizep, maxsize, elsize, + elproc); 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exceeded. +.NOEXPORT: diff --git a/spl/include/sharefs/share.h b/spl/include/sharefs/share.h new file mode 100644 index 000000000000..fc248a233516 --- /dev/null +++ b/spl/include/sharefs/share.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SHARE_H +#define _SPL_SHARE_H + +#endif /* SPL_SHARE_H */ diff --git a/spl/include/spl-ctl.h b/spl/include/spl-ctl.h new file mode 100644 index 000000000000..bb24490d92e4 --- /dev/null +++ b/spl/include/spl-ctl.h @@ -0,0 +1,45 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _DEBUG_CTL_H +#define _DEBUG_CTL_H + +/* + * Contains shared definitions which both the user space + * and kernel space portions of splat must agree on. + */ +typedef struct spl_debug_header { + int ph_len; + int ph_flags; + int ph_subsys; + int ph_mask; + int ph_cpu_id; + int ph_sec; + long ph_usec; + int ph_stack; + int ph_pid; + int ph_line_num; +} spl_debug_header_t; + +#endif /* _DEBUG_CTL_H */ diff --git a/spl/include/splat-ctl.h b/spl/include/splat-ctl.h new file mode 100644 index 000000000000..15fd01b542c4 --- /dev/null +++ b/spl/include/splat-ctl.h @@ -0,0 +1,109 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPLAT_CTL_H +#define _SPLAT_CTL_H + +#include + +/* + * Contains shared definitions for both user space and kernel space. To + * ensure 32-bit/64-bit interoperability over ioctl()'s only types with + * fixed sizes can be used. + */ +#define SPLAT_NAME "splatctl" +#define SPLAT_DEV "/dev/splatctl" + +#define SPLAT_NAME_SIZE 20 +#define SPLAT_DESC_SIZE 60 + +typedef struct splat_user { + char name[SPLAT_NAME_SIZE]; /* Short name */ + char desc[SPLAT_DESC_SIZE]; /* Short description */ + __u32 id; /* Unique numeric id */ +} splat_user_t; + +#define SPLAT_CFG_MAGIC 0x15263748U +typedef struct splat_cfg { + __u32 cfg_magic; /* Unique magic */ + __u32 cfg_cmd; /* Configure command */ + __s32 cfg_arg1; /* Configure command arg 1 */ + __s32 cfg_rc1; /* Configure response 1 */ + union { + struct { + __u32 size; + splat_user_t descs[0]; + } splat_subsystems; + struct { + __u32 size; + splat_user_t descs[0]; + } splat_tests; + } cfg_data; +} splat_cfg_t; + +#define SPLAT_CMD_MAGIC 0x9daebfc0U +typedef struct splat_cmd { + __u32 cmd_magic; /* Unique magic */ + __u32 cmd_subsystem; /* Target subsystem */ + __u32 cmd_test; /* Subsystem test */ + __u32 cmd_data_size; /* Opaque data size */ + char cmd_data_str[0]; /* Opaque data region */ +} splat_cmd_t; + +/* Valid ioctls */ +#define SPLAT_CFG _IOWR('f', 101, splat_cfg_t) +#define SPLAT_CMD _IOWR('f', 102, splat_cmd_t) + +/* Valid configuration commands */ +#define SPLAT_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */ +#define SPLAT_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */ +#define SPLAT_CFG_SUBSYSTEM_COUNT 0x101 /* Number of subsystem */ +#define SPLAT_CFG_SUBSYSTEM_LIST 0x102 /* List of N subsystems */ +#define SPLAT_CFG_TEST_COUNT 0x201 /* Number of tests */ +#define SPLAT_CFG_TEST_LIST 0x202 /* List of N tests */ + +/* + * Valid subsystem and test commands are defined in each subsystem as + * SPLAT_SUBSYSTEM_*. We do need to be careful to avoid collisions, the + * currently defined subsystems are as follows: + */ +#define SPLAT_SUBSYSTEM_KMEM 0x0100 +#define SPLAT_SUBSYSTEM_TASKQ 0x0200 +#define SPLAT_SUBSYSTEM_KRNG 0x0300 +#define SPLAT_SUBSYSTEM_MUTEX 0x0400 +#define SPLAT_SUBSYSTEM_CONDVAR 0x0500 +#define SPLAT_SUBSYSTEM_THREAD 0x0600 +#define SPLAT_SUBSYSTEM_RWLOCK 0x0700 +#define SPLAT_SUBSYSTEM_TIME 0x0800 +#define SPLAT_SUBSYSTEM_VNODE 0x0900 +#define SPLAT_SUBSYSTEM_KOBJ 0x0a00 +#define SPLAT_SUBSYSTEM_ATOMIC 0x0b00 +#define SPLAT_SUBSYSTEM_LIST 0x0c00 +#define SPLAT_SUBSYSTEM_GENERIC 0x0d00 +#define SPLAT_SUBSYSTEM_CRED 0x0e00 +#define SPLAT_SUBSYSTEM_ZLIB 0x0f00 +#define SPLAT_SUBSYSTEM_LINUX 0x1000 +#define SPLAT_SUBSYSTEM_UNKNOWN 0xff00 + +#endif /* _SPLAT_CTL_H */ diff --git a/spl/include/strings.h b/spl/include/strings.h new file mode 100644 index 000000000000..dc0f31466be8 --- /dev/null +++ b/spl/include/strings.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_STRINGS_H +#define _SPL_STRINGS_H + +#endif /* SPL_STRINGS_H */ diff --git a/spl/include/sys/Makefile.am b/spl/include/sys/Makefile.am new file mode 100644 index 000000000000..73c4a8421782 --- /dev/null +++ b/spl/include/sys/Makefile.am @@ -0,0 +1,113 @@ +SUBDIRS = fm fs sysevent + +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/sys/acl.h \ + $(top_srcdir)/include/sys/acl_impl.h \ + $(top_srcdir)/include/sys/atomic.h \ + $(top_srcdir)/include/sys/attr.h \ + $(top_srcdir)/include/sys/bitmap.h \ + $(top_srcdir)/include/sys/bootconf.h \ + $(top_srcdir)/include/sys/bootprops.h \ + $(top_srcdir)/include/sys/buf.h \ + $(top_srcdir)/include/sys/byteorder.h \ + $(top_srcdir)/include/sys/callb.h \ + $(top_srcdir)/include/sys/callo.h \ + $(top_srcdir)/include/sys/cmn_err.h \ + $(top_srcdir)/include/sys/compress.h \ + $(top_srcdir)/include/sys/condvar.h \ + $(top_srcdir)/include/sys/conf.h \ + $(top_srcdir)/include/sys/console.h \ + $(top_srcdir)/include/sys/cpupart.h \ + $(top_srcdir)/include/sys/cpuvar.h \ + $(top_srcdir)/include/sys/crc32.h \ + $(top_srcdir)/include/sys/cred.h \ + $(top_srcdir)/include/sys/ctype.h \ + $(top_srcdir)/include/sys/ddi.h \ + $(top_srcdir)/include/sys/debug.h \ + $(top_srcdir)/include/sys/dirent.h \ + $(top_srcdir)/include/sys/disp.h \ + $(top_srcdir)/include/sys/dkio.h \ + $(top_srcdir)/include/sys/dklabel.h \ + $(top_srcdir)/include/sys/dnlc.h \ + $(top_srcdir)/include/sys/dumphdr.h \ + $(top_srcdir)/include/sys/efi_partition.h \ + $(top_srcdir)/include/sys/errno.h \ + $(top_srcdir)/include/sys/extdirent.h \ + $(top_srcdir)/include/sys/fcntl.h \ + $(top_srcdir)/include/sys/file.h \ + $(top_srcdir)/include/sys/idmap.h \ + $(top_srcdir)/include/sys/int_limits.h \ + $(top_srcdir)/include/sys/int_types.h \ + $(top_srcdir)/include/sys/inttypes.h \ + $(top_srcdir)/include/sys/isa_defs.h \ + $(top_srcdir)/include/sys/kidmap.h \ + $(top_srcdir)/include/sys/kmem.h \ + $(top_srcdir)/include/sys/kmem_cache.h \ + $(top_srcdir)/include/sys/kobj.h \ + $(top_srcdir)/include/sys/kstat.h \ + $(top_srcdir)/include/sys/list.h \ + $(top_srcdir)/include/sys/mkdev.h \ + $(top_srcdir)/include/sys/mntent.h \ + $(top_srcdir)/include/sys/modctl.h \ + $(top_srcdir)/include/sys/mode.h \ + $(top_srcdir)/include/sys/mount.h \ + $(top_srcdir)/include/sys/mutex.h \ + $(top_srcdir)/include/sys/note.h \ + $(top_srcdir)/include/sys/open.h \ + $(top_srcdir)/include/sys/param.h \ + $(top_srcdir)/include/sys/pathname.h \ + $(top_srcdir)/include/sys/policy.h \ + $(top_srcdir)/include/sys/pool.h \ + $(top_srcdir)/include/sys/priv_impl.h \ + $(top_srcdir)/include/sys/processor.h \ + $(top_srcdir)/include/sys/proc.h \ + $(top_srcdir)/include/sys/pset.h \ + $(top_srcdir)/include/sys/random.h \ + $(top_srcdir)/include/sys/refstr.h \ + $(top_srcdir)/include/sys/resource.h \ + $(top_srcdir)/include/sys/rwlock.h \ + $(top_srcdir)/include/sys/sdt.h \ + $(top_srcdir)/include/sys/sid.h \ + $(top_srcdir)/include/sys/signal.h \ + $(top_srcdir)/include/sys/stat.h \ + $(top_srcdir)/include/sys/stropts.h \ + $(top_srcdir)/include/sys/sunddi.h \ + $(top_srcdir)/include/sys/sunldi.h \ + $(top_srcdir)/include/sys/sysdc.h \ + $(top_srcdir)/include/sys/sysevent.h \ + $(top_srcdir)/include/sys/sysmacros.h \ + $(top_srcdir)/include/sys/systeminfo.h \ + $(top_srcdir)/include/sys/systm.h \ + $(top_srcdir)/include/sys/taskq.h \ + $(top_srcdir)/include/sys/thread.h \ + $(top_srcdir)/include/sys/time.h \ + $(top_srcdir)/include/sys/timer.h \ + $(top_srcdir)/include/sys/t_lock.h \ + $(top_srcdir)/include/sys/tsd.h \ + $(top_srcdir)/include/sys/types32.h \ + $(top_srcdir)/include/sys/types.h \ + $(top_srcdir)/include/sys/u8_textprep.h \ + $(top_srcdir)/include/sys/uio.h \ + $(top_srcdir)/include/sys/unistd.h \ + $(top_srcdir)/include/sys/user.h \ + $(top_srcdir)/include/sys/va_list.h \ + $(top_srcdir)/include/sys/varargs.h \ + $(top_srcdir)/include/sys/vfs.h \ + $(top_srcdir)/include/sys/vfs_opreg.h \ + $(top_srcdir)/include/sys/vmem.h \ + $(top_srcdir)/include/sys/vmsystm.h \ + $(top_srcdir)/include/sys/vnode.h \ + $(top_srcdir)/include/sys/zmod.h \ + $(top_srcdir)/include/sys/zone.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/sys +kernel_HEADERS = $(KERNEL_H) +endif + diff --git a/spl/include/sys/Makefile.in b/spl/include/sys/Makefile.in new file mode 100644 index 000000000000..46e7c059b968 --- /dev/null +++ b/spl/include/sys/Makefile.in @@ -0,0 +1,932 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ACL_H +#define _SPL_ACL_H + +#include + +typedef struct ace { + uid_t a_who; + uint32_t a_access_mask; + uint16_t a_flags; + uint16_t a_type; +} ace_t; + +typedef struct ace_object { + uid_t a_who; /* uid or gid */ + uint32_t a_access_mask; /* read,write,... */ + uint16_t a_flags; /* see below */ + uint16_t a_type; /* allow or deny */ + uint8_t a_obj_type[16]; /* obj type */ + uint8_t a_inherit_obj_type[16]; /* inherit obj */ +} ace_object_t; + +#define MAX_ACL_ENTRIES 1024 + +#define ACE_READ_DATA 0x00000001 +#define ACE_LIST_DIRECTORY 0x00000001 +#define ACE_WRITE_DATA 0x00000002 +#define ACE_ADD_FILE 0x00000002 +#define ACE_APPEND_DATA 0x00000004 +#define ACE_ADD_SUBDIRECTORY 0x00000004 +#define ACE_READ_NAMED_ATTRS 0x00000008 +#define ACE_WRITE_NAMED_ATTRS 0x00000010 +#define ACE_EXECUTE 0x00000020 +#define ACE_DELETE_CHILD 0x00000040 +#define ACE_READ_ATTRIBUTES 0x00000080 +#define ACE_WRITE_ATTRIBUTES 0x00000100 +#define ACE_DELETE 0x00010000 +#define ACE_READ_ACL 0x00020000 +#define ACE_WRITE_ACL 0x00040000 +#define ACE_WRITE_OWNER 0x00080000 +#define ACE_SYNCHRONIZE 0x00100000 + +#define ACE_FILE_INHERIT_ACE 0x0001 +#define ACE_DIRECTORY_INHERIT_ACE 0x0002 +#define ACE_NO_PROPAGATE_INHERIT_ACE 0x0004 +#define ACE_INHERIT_ONLY_ACE 0x0008 +#define ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x0010 +#define ACE_FAILED_ACCESS_ACE_FLAG 0x0020 +#define ACE_IDENTIFIER_GROUP 0x0040 +#define ACE_INHERITED_ACE 0x0080 +#define ACE_OWNER 0x1000 +#define ACE_GROUP 0x2000 +#define ACE_EVERYONE 0x4000 + +#define ACE_ACCESS_ALLOWED_ACE_TYPE 0x0000 +#define ACE_ACCESS_DENIED_ACE_TYPE 0x0001 +#define ACE_SYSTEM_AUDIT_ACE_TYPE 0x0002 +#define ACE_SYSTEM_ALARM_ACE_TYPE 0x0003 + +#define ACL_AUTO_INHERIT 0x0001 +#define ACL_PROTECTED 0x0002 +#define ACL_DEFAULTED 0x0004 +#define ACL_FLAGS_ALL (ACL_AUTO_INHERIT|ACL_PROTECTED|ACL_DEFAULTED) + +#define ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04 +#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 +#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 +#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 +#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 +#define ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09 +#define ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A +#define ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B +#define ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE 0x0C +#define ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE 0x0D +#define ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE 0x0E +#define ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F +#define ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10 + +#define ACE_ALL_TYPES 0x001F + +#define ACE_TYPE_FLAGS (ACE_OWNER|ACE_GROUP|ACE_EVERYONE|ACE_IDENTIFIER_GROUP) + +#define ACE_ALL_PERMS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \ + ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \ + ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \ + ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_WRITE_ACL| \ + ACE_WRITE_OWNER|ACE_SYNCHRONIZE) + +#define VSA_ACE 0x0010 +#define VSA_ACECNT 0x0020 +#define VSA_ACE_ALLTYPES 0x0040 +#define VSA_ACE_ACLFLAGS 0x0080 + +#endif /* _SPL_ACL_H */ diff --git a/spl/include/sys/acl_impl.h b/spl/include/sys/acl_impl.h new file mode 100644 index 000000000000..67af71371c65 --- /dev/null +++ b/spl/include/sys/acl_impl.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ACL_IMPL_H +#define _SPL_ACL_IMPL_H + +#endif /* _SPL_ACL_IMPL_H */ diff --git a/spl/include/sys/atomic.h b/spl/include/sys/atomic.h new file mode 100644 index 000000000000..07b460ef790e --- /dev/null +++ b/spl/include/sys/atomic.h @@ -0,0 +1,315 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ATOMIC_H +#define _SPL_ATOMIC_H + +#include +#include +#include + +/* + * Two approaches to atomic operations are implemented each with its + * own benefits are drawbacks imposed by the Solaris API. Neither + * approach handles the issue of word breaking when using a 64-bit + * atomic variable on a 32-bit arch. The Solaris API would need to + * add an atomic read call to correctly support this. + * + * When ATOMIC_SPINLOCK is defined all atomic operations will be + * serialized through global spin locks. This is bad for performance + * but it does allow a simple generic implementation. + * + * When ATOMIC_SPINLOCK is not defined the Linux atomic operations + * are used. This is safe as long as the core Linux implementation + * doesn't change because we are relying on the fact that an atomic + * type is really just a uint32 or uint64. If this changes at some + * point in the future we need to fall-back to the spin approach. + */ +#ifdef ATOMIC_SPINLOCK +extern spinlock_t atomic32_lock; +extern spinlock_t atomic64_lock; + +static __inline__ void +atomic_inc_32(volatile uint32_t *target) +{ + spin_lock(&atomic32_lock); + (*target)++; + spin_unlock(&atomic32_lock); +} + +static __inline__ void +atomic_dec_32(volatile uint32_t *target) +{ + spin_lock(&atomic32_lock); + (*target)--; + spin_unlock(&atomic32_lock); +} + +static __inline__ void +atomic_add_32(volatile uint32_t *target, int32_t delta) +{ + spin_lock(&atomic32_lock); + *target += delta; + spin_unlock(&atomic32_lock); +} + +static __inline__ void +atomic_sub_32(volatile uint32_t *target, int32_t delta) +{ + spin_lock(&atomic32_lock); + *target -= delta; + spin_unlock(&atomic32_lock); +} + +static __inline__ uint32_t +atomic_inc_32_nv(volatile uint32_t *target) +{ + uint32_t nv; + + spin_lock(&atomic32_lock); + nv = ++(*target); + spin_unlock(&atomic32_lock); + + return nv; +} + +static __inline__ uint32_t +atomic_dec_32_nv(volatile uint32_t *target) +{ + uint32_t nv; + + spin_lock(&atomic32_lock); + nv = --(*target); + spin_unlock(&atomic32_lock); + + return nv; +} + +static __inline__ uint32_t +atomic_add_32_nv(volatile uint32_t *target, uint32_t delta) +{ + uint32_t nv; + + spin_lock(&atomic32_lock); + *target += delta; + nv = *target; + spin_unlock(&atomic32_lock); + + return nv; +} + +static __inline__ uint32_t +atomic_sub_32_nv(volatile uint32_t *target, uint32_t delta) +{ + uint32_t nv; + + spin_lock(&atomic32_lock); + *target -= delta; + nv = *target; + spin_unlock(&atomic32_lock); + + return nv; +} + +static __inline__ uint32_t +atomic_cas_32(volatile uint32_t *target, uint32_t cmp, + uint32_t newval) +{ + uint32_t rc; + + spin_lock(&atomic32_lock); + rc = *target; + if (*target == cmp) + *target = newval; + + spin_unlock(&atomic32_lock); + + return rc; +} + +static __inline__ uint32_t +atomic_swap_32(volatile uint32_t *target, uint32_t newval) +{ + uint32_t rc; + + spin_lock(&atomic32_lock); + rc = *target; + *target = newval; + spin_unlock(&atomic32_lock); + + return rc; +} + +static __inline__ void +atomic_inc_64(volatile uint64_t *target) +{ + spin_lock(&atomic64_lock); + (*target)++; + spin_unlock(&atomic64_lock); +} + +static __inline__ void +atomic_dec_64(volatile uint64_t *target) +{ + spin_lock(&atomic64_lock); + (*target)--; + spin_unlock(&atomic64_lock); +} + +static __inline__ void +atomic_add_64(volatile uint64_t *target, uint64_t delta) +{ + spin_lock(&atomic64_lock); + *target += delta; + spin_unlock(&atomic64_lock); +} + +static __inline__ void +atomic_sub_64(volatile uint64_t *target, uint64_t delta) +{ + spin_lock(&atomic64_lock); + *target -= delta; + spin_unlock(&atomic64_lock); +} + +static __inline__ uint64_t +atomic_inc_64_nv(volatile uint64_t *target) +{ + uint64_t nv; + + spin_lock(&atomic64_lock); + nv = ++(*target); + spin_unlock(&atomic64_lock); + + return nv; +} + +static __inline__ uint64_t +atomic_dec_64_nv(volatile uint64_t *target) +{ + uint64_t nv; + + spin_lock(&atomic64_lock); + nv = --(*target); + spin_unlock(&atomic64_lock); + + return nv; +} + +static __inline__ uint64_t +atomic_add_64_nv(volatile uint64_t *target, uint64_t delta) +{ + uint64_t nv; + + spin_lock(&atomic64_lock); + *target += delta; + nv = *target; + spin_unlock(&atomic64_lock); + + return nv; +} + +static __inline__ uint64_t +atomic_sub_64_nv(volatile uint64_t *target, uint64_t delta) +{ + uint64_t nv; + + spin_lock(&atomic64_lock); + *target -= delta; + nv = *target; + spin_unlock(&atomic64_lock); + + return nv; +} + +static __inline__ uint64_t +atomic_cas_64(volatile uint64_t *target, uint64_t cmp, + uint64_t newval) +{ + uint64_t rc; + + spin_lock(&atomic64_lock); + rc = *target; + if (*target == cmp) + *target = newval; + spin_unlock(&atomic64_lock); + + return rc; +} + +static __inline__ uint64_t +atomic_swap_64(volatile uint64_t *target, uint64_t newval) +{ + uint64_t rc; + + spin_lock(&atomic64_lock); + rc = *target; + *target = newval; + spin_unlock(&atomic64_lock); + + return rc; +} + +#else /* ATOMIC_SPINLOCK */ + +#define atomic_inc_32(v) atomic_inc((atomic_t *)(v)) +#define atomic_dec_32(v) atomic_dec((atomic_t *)(v)) +#define atomic_add_32(v, i) atomic_add((i), (atomic_t *)(v)) +#define atomic_sub_32(v, i) atomic_sub((i), (atomic_t *)(v)) +#define atomic_inc_32_nv(v) atomic_inc_return((atomic_t *)(v)) +#define atomic_dec_32_nv(v) atomic_dec_return((atomic_t *)(v)) +#define atomic_add_32_nv(v, i) atomic_add_return((i), (atomic_t *)(v)) +#define atomic_sub_32_nv(v, i) atomic_sub_return((i), (atomic_t *)(v)) +#define atomic_cas_32(v, x, y) atomic_cmpxchg((atomic_t *)(v), x, y) +#define atomic_swap_32(v, x) atomic_xchg((atomic_t *)(v), x) +#define atomic_inc_64(v) atomic64_inc((atomic64_t *)(v)) +#define atomic_dec_64(v) atomic64_dec((atomic64_t *)(v)) +#define atomic_add_64(v, i) atomic64_add((i), (atomic64_t *)(v)) +#define atomic_sub_64(v, i) atomic64_sub((i), (atomic64_t *)(v)) +#define atomic_inc_64_nv(v) atomic64_inc_return((atomic64_t *)(v)) +#define atomic_dec_64_nv(v) atomic64_dec_return((atomic64_t *)(v)) +#define atomic_add_64_nv(v, i) atomic64_add_return((i), (atomic64_t *)(v)) +#define atomic_sub_64_nv(v, i) atomic64_sub_return((i), (atomic64_t *)(v)) +#define atomic_cas_64(v, x, y) atomic64_cmpxchg((atomic64_t *)(v), x, y) +#define atomic_swap_64(v, x) atomic64_xchg((atomic64_t *)(v), x) + +#endif /* ATOMIC_SPINLOCK */ + +#ifdef _LP64 +static __inline__ void * +atomic_cas_ptr(volatile void *target, void *cmp, void *newval) +{ + return (void *)atomic_cas_64((volatile uint64_t *)target, + (uint64_t)cmp, (uint64_t)newval); +} +#else /* _LP64 */ +static __inline__ void * +atomic_cas_ptr(volatile void *target, void *cmp, void *newval) +{ + return (void *)atomic_cas_32((volatile uint32_t *)target, + (uint32_t)cmp, (uint32_t)newval); +} +#endif /* _LP64 */ + +#endif /* _SPL_ATOMIC_H */ diff --git a/spl/include/sys/attr.h b/spl/include/sys/attr.h new file mode 100644 index 000000000000..5fb609c93487 --- /dev/null +++ b/spl/include/sys/attr.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ATTR_H +#define _SPL_ATTR_H + +#endif /* SPL_ATTR_H */ diff --git a/spl/include/sys/bitmap.h b/spl/include/sys/bitmap.h new file mode 100644 index 000000000000..e4acb0b7dee4 --- /dev/null +++ b/spl/include/sys/bitmap.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_BITMAP_H +#define _SPL_BITMAP_H + +#endif /* SPL_BITMAP_H */ diff --git a/spl/include/sys/bootconf.h b/spl/include/sys/bootconf.h new file mode 100644 index 000000000000..4e032ad2f828 --- /dev/null +++ b/spl/include/sys/bootconf.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_BOOTCONF_H +#define _SPL_BOOTCONF_H + +#endif /* SPL_BOOTCONF_H */ diff --git a/spl/include/sys/bootprops.h b/spl/include/sys/bootprops.h new file mode 100644 index 000000000000..a562ec9f94bb --- /dev/null +++ b/spl/include/sys/bootprops.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_BOOTPROPS_H +#define _SPL_BOOTPROPS_H + +#endif /* SPL_BOOTPROPS_H */ diff --git a/spl/include/sys/buf.h b/spl/include/sys/buf.h new file mode 100644 index 000000000000..8596c835c3c1 --- /dev/null +++ b/spl/include/sys/buf.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_BUF_H +#define _SPL_BUF_H + +#endif /* SPL_BUF_H */ diff --git a/spl/include/sys/byteorder.h b/spl/include/sys/byteorder.h new file mode 100644 index 000000000000..5350a0b33aa3 --- /dev/null +++ b/spl/include/sys/byteorder.h @@ -0,0 +1,46 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_BYTEORDER_H +#define _SPL_BYTEORDER_H + +#include + +#define LE_16(x) cpu_to_le16(x) +#define LE_32(x) cpu_to_le32(x) +#define LE_64(x) cpu_to_le64(x) +#define BE_16(x) cpu_to_be16(x) +#define BE_32(x) cpu_to_be32(x) +#define BE_64(x) cpu_to_be64(x) + +#define BE_IN8(xa) \ + *((uint8_t *)(xa)) + +#define BE_IN16(xa) \ + (((uint16_t)BE_IN8(xa) << 8) | BE_IN8((uint8_t *)(xa)+1)) + +#define BE_IN32(xa) \ + (((uint32_t)BE_IN16(xa) << 16) | BE_IN16((uint8_t *)(xa)+2)) + +#endif /* SPL_BYTEORDER_H */ diff --git a/spl/include/sys/callb.h b/spl/include/sys/callb.h new file mode 100644 index 000000000000..fbe4128f80e8 --- /dev/null +++ b/spl/include/sys/callb.h @@ -0,0 +1,55 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CALLB_H +#define _SPL_CALLB_H + +#include +#include + +#define CALLB_CPR_ASSERT(cp) ASSERT(MUTEX_HELD((cp)->cc_lockp)); + +typedef struct callb_cpr { + kmutex_t *cc_lockp; +} callb_cpr_t; + +#define CALLB_CPR_INIT(cp, lockp, func, name) { \ + (cp)->cc_lockp = lockp; \ +} + +#define CALLB_CPR_SAFE_BEGIN(cp) { \ + CALLB_CPR_ASSERT(cp); \ +} + +#define CALLB_CPR_SAFE_END(cp, lockp) { \ + CALLB_CPR_ASSERT(cp); \ +} + +#define CALLB_CPR_EXIT(cp) { \ + ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ + mutex_exit((cp)->cc_lockp); \ +} + +#endif /* _SPL_CALLB_H */ + diff --git a/spl/include/sys/callo.h b/spl/include/sys/callo.h new file mode 100644 index 000000000000..0d9fbcbc4949 --- /dev/null +++ b/spl/include/sys/callo.h @@ -0,0 +1,52 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CALLO_H +#define _SPL_CALLO_H + +/* + * Callout flags: + * + * CALLOUT_FLAG_ROUNDUP + * Roundup the expiration time to the next resolution boundary. + * If this flag is not specified, the expiration time is rounded down. + * CALLOUT_FLAG_ABSOLUTE + * Normally, the expiration passed to the timeout API functions is an + * expiration interval. If this flag is specified, then it is + * interpreted as the expiration time itself. + * CALLOUT_FLAG_HRESTIME + * Normally, callouts are not affected by changes to system time + * (hrestime). This flag is used to create a callout that is affected + * by system time. If system time changes, these timers must be + * handled in a special way (see callout.c). These are used by condition + * variables and LWP timers that need this behavior. + * CALLOUT_FLAG_32BIT + * Legacy interfaces timeout() and realtime_timeout() pass this flag + * to timeout_generic() to indicate that a 32-bit ID should be allocated. + */ +#define CALLOUT_FLAG_ROUNDUP 0x1 +#define CALLOUT_FLAG_ABSOLUTE 0x2 +#define CALLOUT_FLAG_HRESTIME 0x4 +#define CALLOUT_FLAG_32BIT 0x8 + +#endif /* _SPL_CALLB_H */ diff --git a/spl/include/sys/cmn_err.h b/spl/include/sys/cmn_err.h new file mode 100644 index 000000000000..1291510ecc37 --- /dev/null +++ b/spl/include/sys/cmn_err.h @@ -0,0 +1,42 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CMN_ERR_H +#define _SPL_CMN_ERR_H + +#include + +#define CE_CONT 0 /* continuation */ +#define CE_NOTE 1 /* notice */ +#define CE_WARN 2 /* warning */ +#define CE_PANIC 3 /* panic */ +#define CE_IGNORE 4 /* print nothing */ + +extern void cmn_err(int, const char *, ...); +extern void vcmn_err(int, const char *, __va_list); +extern void vpanic(const char *, __va_list); + +#define fm_panic panic + +#endif /* SPL_CMN_ERR_H */ diff --git a/spl/include/sys/compress.h b/spl/include/sys/compress.h new file mode 100644 index 000000000000..55822f0e521b --- /dev/null +++ b/spl/include/sys/compress.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_COMPRESS_H +#define _SPL_COMPRESS_H + +#endif /* SPL_COMPRESS_H */ diff --git a/spl/include/sys/condvar.h b/spl/include/sys/condvar.h new file mode 100644 index 000000000000..efcf0dda2769 --- /dev/null +++ b/spl/include/sys/condvar.h @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#ifndef _SPL_CONDVAR_H +#define _SPL_CONDVAR_H + +#include +#include +#include +#include +#include +#include + +/* + * The kcondvar_t struct is protected by mutex taken externally before + * calling any of the wait/signal funs, and passed into the wait funs. + */ +#define CV_MAGIC 0x346545f4 +#define CV_DESTROY 0x346545f5 + +typedef struct { + int cv_magic; + wait_queue_head_t cv_event; + wait_queue_head_t cv_destroy; + atomic_t cv_refs; + atomic_t cv_waiters; + kmutex_t *cv_mutex; +} kcondvar_t; + +typedef enum { CV_DEFAULT = 0, CV_DRIVER } kcv_type_t; + +extern void __cv_init(kcondvar_t *, char *, kcv_type_t, void *); +extern void __cv_destroy(kcondvar_t *); +extern void __cv_wait(kcondvar_t *, kmutex_t *); +extern void __cv_wait_io(kcondvar_t *, kmutex_t *); +extern void __cv_wait_sig(kcondvar_t *, kmutex_t *); +extern clock_t __cv_timedwait(kcondvar_t *, kmutex_t *, clock_t); +extern clock_t __cv_timedwait_sig(kcondvar_t *, kmutex_t *, clock_t); +extern clock_t cv_timedwait_hires(kcondvar_t *, kmutex_t *, hrtime_t, + hrtime_t res, int flag); +extern void __cv_signal(kcondvar_t *); +extern void __cv_broadcast(kcondvar_t *c); + +#define cv_init(cvp, name, type, arg) __cv_init(cvp, name, type, arg) +#define cv_destroy(cvp) __cv_destroy(cvp) +#define cv_wait(cvp, mp) __cv_wait(cvp, mp) +#define cv_wait_io(cvp, mp) __cv_wait_io(cvp, mp) +#define cv_wait_sig(cvp, mp) __cv_wait_sig(cvp, mp) +#define cv_wait_interruptible(cvp, mp) cv_wait_sig(cvp, mp) +#define cv_timedwait(cvp, mp, t) __cv_timedwait(cvp, mp, t) +#define cv_timedwait_sig(cvp, mp, t) __cv_timedwait_sig(cvp, mp, t) +#define cv_timedwait_interruptible(cvp, mp, t) cv_timedwait_sig(cvp, mp, t) +#define cv_signal(cvp) __cv_signal(cvp) +#define cv_broadcast(cvp) __cv_broadcast(cvp) + +#endif /* _SPL_CONDVAR_H */ diff --git a/spl/include/sys/conf.h b/spl/include/sys/conf.h new file mode 100644 index 000000000000..eece0c79892e --- /dev/null +++ b/spl/include/sys/conf.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CONF_H +#define _SPL_CONF_H + +#endif /* SPL_CONF_H */ diff --git a/spl/include/sys/console.h b/spl/include/sys/console.h new file mode 100644 index 000000000000..76ef61838b75 --- /dev/null +++ b/spl/include/sys/console.h @@ -0,0 +1,44 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CONSOLE_H +#define _SPL_CONSOLE_H + +void +console_vprintf(const char *fmt, va_list args) +{ + vprintk(fmt, args); +} + +void +console_printf(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + console_vprintf(fmt, args); + va_end(args); +} + +#endif /* _SPL_CONSOLE_H */ diff --git a/spl/include/sys/cpupart.h b/spl/include/sys/cpupart.h new file mode 100644 index 000000000000..fddeed6d0e54 --- /dev/null +++ b/spl/include/sys/cpupart.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CPUPART_H +#define _SPL_CPUPART_H + +#endif /* SPL_CPUPART_H */ diff --git a/spl/include/sys/cpuvar.h b/spl/include/sys/cpuvar.h new file mode 100644 index 000000000000..1284f940f0d5 --- /dev/null +++ b/spl/include/sys/cpuvar.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CPUVAR_H +#define _SPL_CPUVAR_H + +#endif /* SPL_CPUVAR_H */ diff --git a/spl/include/sys/crc32.h b/spl/include/sys/crc32.h new file mode 100644 index 000000000000..1981f35794a9 --- /dev/null +++ b/spl/include/sys/crc32.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CRC32_H +#define _SPL_CRC32_H + +#endif /* SPL_CRC32_H */ diff --git a/spl/include/sys/cred.h b/spl/include/sys/cred.h new file mode 100644 index 000000000000..480e268f1dfa --- /dev/null +++ b/spl/include/sys/cred.h @@ -0,0 +1,86 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CRED_H +#define _SPL_CRED_H + +#include +#include +#include + +typedef struct cred cred_t; + +#define kcred ((cred_t *)(init_task.cred)) +#define CRED() ((cred_t *)current_cred()) + +/* Linux 4.9 API change, GROUP_AT was removed */ +#ifndef GROUP_AT +#define GROUP_AT(gi, i) ((gi)->gid[i]) +#endif + +#ifdef HAVE_KUIDGID_T + +/* + * Linux 3.8+ uses typedefs to redefine uid_t and gid_t. We have to rename the + * typedefs to recover the original types. We then can use them provided that + * we are careful about translating from k{g,u}id_t to the original versions + * and vice versa. + */ +#define uid_t xuid_t +#define gid_t xgid_t +#include +#undef uid_t +#undef gid_t + +#define KUID_TO_SUID(x) (__kuid_val(x)) +#define KGID_TO_SGID(x) (__kgid_val(x)) +#define SUID_TO_KUID(x) (KUIDT_INIT(x)) +#define SGID_TO_KGID(x) (KGIDT_INIT(x)) +#define KGIDP_TO_SGIDP(x) (&(x)->val) + +#else /* HAVE_KUIDGID_T */ + +#define KUID_TO_SUID(x) (x) +#define KGID_TO_SGID(x) (x) +#define SUID_TO_KUID(x) (x) +#define SGID_TO_KGID(x) (x) +#define KGIDP_TO_SGIDP(x) (x) + +#endif /* HAVE_KUIDGID_T */ + +extern void crhold(cred_t *cr); +extern void crfree(cred_t *cr); +extern uid_t crgetuid(const cred_t *cr); +extern uid_t crgetruid(const cred_t *cr); +extern uid_t crgetsuid(const cred_t *cr); +extern uid_t crgetfsuid(const cred_t *cr); +extern gid_t crgetgid(const cred_t *cr); +extern gid_t crgetrgid(const cred_t *cr); +extern gid_t crgetsgid(const cred_t *cr); +extern gid_t crgetfsgid(const cred_t *cr); +extern int crgetngroups(const cred_t *cr); +extern gid_t * crgetgroups(const cred_t *cr); +extern int groupmember(gid_t gid, const cred_t *cr); + +#endif /* _SPL_CRED_H */ diff --git a/spl/include/sys/ctype.h b/spl/include/sys/ctype.h new file mode 100644 index 000000000000..52037f9a1b24 --- /dev/null +++ b/spl/include/sys/ctype.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_CTYPE_H +#define _SPL_CTYPE_H + +#include + +#endif /* SPL_CTYPE_H */ diff --git a/spl/include/sys/ddi.h b/spl/include/sys/ddi.h new file mode 100644 index 000000000000..2fa1388fd6dc --- /dev/null +++ b/spl/include/sys/ddi.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DDI_H +#define _SPL_DDI_H + +#endif /* SPL_DDI_H */ diff --git a/spl/include/sys/debug.h b/spl/include/sys/debug.h new file mode 100644 index 000000000000..a37740036446 --- /dev/null +++ b/spl/include/sys/debug.h @@ -0,0 +1,121 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +/* + * Available Solaris debug functions. All of the ASSERT() macros will be + * compiled out when NDEBUG is defined, this is the default behavior for + * the SPL. To enable assertions use the --enable-debug with configure. + * The VERIFY() functions are never compiled out and cannot be disabled. + * + * PANIC() - Panic the node and print message. + * ASSERT() - Assert X is true, if not panic. + * ASSERTV() - Wraps a variable declaration which is only used by ASSERT(). + * ASSERT3S() - Assert signed X OP Y is true, if not panic. + * ASSERT3U() - Assert unsigned X OP Y is true, if not panic. + * ASSERT3P() - Assert pointer X OP Y is true, if not panic. + * ASSERT0() - Assert value is zero, if not panic. + * VERIFY() - Verify X is true, if not panic. + * VERIFY3S() - Verify signed X OP Y is true, if not panic. + * VERIFY3U() - Verify unsigned X OP Y is true, if not panic. + * VERIFY3P() - Verify pointer X OP Y is true, if not panic. + * VERIFY0() - Verify value is zero, if not panic. + */ + +#ifndef _SPL_DEBUG_H +#define _SPL_DEBUG_H + +/* + * Common DEBUG functionality. + */ +int spl_panic(const char *file, const char *func, int line, + const char *fmt, ...); +void spl_dumpstack(void); + +#define PANIC(fmt, a...) \ + spl_panic(__FILE__, __FUNCTION__, __LINE__, fmt, ## a) + +#define VERIFY(cond) \ + (void)(unlikely(!(cond)) && \ + spl_panic(__FILE__, __FUNCTION__, __LINE__, \ + "%s", "VERIFY(" #cond ") failed\n")) + +#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE, FMT, CAST) \ + (void)((!((TYPE)(LEFT) OP (TYPE)(RIGHT))) && \ + spl_panic(__FILE__, __FUNCTION__, __LINE__, \ + "VERIFY3(" #LEFT " " #OP " " #RIGHT ") " \ + "failed (" FMT " " #OP " " FMT ")\n", \ + CAST (LEFT), CAST (RIGHT))) + +#define VERIFY3S(x,y,z) VERIFY3_IMPL(x, y, z, int64_t, "%lld", (long long)) +#define VERIFY3U(x,y,z) VERIFY3_IMPL(x, y, z, uint64_t, "%llu", \ + (unsigned long long)) +#define VERIFY3P(x,y,z) VERIFY3_IMPL(x, y, z, uintptr_t, "%p", (void *)) +#define VERIFY0(x) VERIFY3_IMPL(0, ==, x, int64_t, "%lld", (long long)) + +#define CTASSERT_GLOBAL(x) _CTASSERT(x, __LINE__) +#define CTASSERT(x) { _CTASSERT(x, __LINE__); } +#define _CTASSERT(x, y) __CTASSERT(x, y) +#define __CTASSERT(x, y) \ + typedef char __attribute__ ((unused)) \ + __compile_time_assertion__ ## y[(x) ? 1 : -1] + +/* + * Debugging disabled (--disable-debug) + */ +#ifdef NDEBUG + +#define SPL_DEBUG_STR "" +#define ASSERT(x) ((void)0) +#define ASSERTV(x) +#define ASSERT3S(x,y,z) ((void)0) +#define ASSERT3U(x,y,z) ((void)0) +#define ASSERT3P(x,y,z) ((void)0) +#define ASSERT0(x) ((void)0) +#define IMPLY(A, B) ((void)0) +#define EQUIV(A, B) ((void)0) + +/* + * Debugging enabled (--enable-debug) + */ +#else + +#define SPL_DEBUG_STR " (DEBUG mode)" +#define ASSERT(cond) VERIFY(cond) +#define ASSERTV(x) x +#define ASSERT3S(x,y,z) VERIFY3S(x, y, z) +#define ASSERT3U(x,y,z) VERIFY3U(x, y, z) +#define ASSERT3P(x,y,z) VERIFY3P(x, y, z) +#define ASSERT0(x) VERIFY0(x) +#define IMPLY(A, B) \ + ((void)(((!(A)) || (B)) || \ + spl_panic(__FILE__, __FUNCTION__, __LINE__, \ + "(" #A ") implies (" #B ")"))) +#define EQUIV(A, B) \ + ((void)((!!(A) == !!(B)) || \ + spl_panic(__FILE__, __FUNCTION__, __LINE__, \ + "(" #A ") is equivalent to (" #B ")"))) + +#endif /* NDEBUG */ + +#endif /* SPL_DEBUG_H */ diff --git a/spl/include/sys/dirent.h b/spl/include/sys/dirent.h new file mode 100644 index 000000000000..68f75da577bd --- /dev/null +++ b/spl/include/sys/dirent.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DIRENT_H +#define _SPL_DIRENT_H + +#endif /* SPL_DIRENT_H */ diff --git a/spl/include/sys/disp.h b/spl/include/sys/disp.h new file mode 100644 index 000000000000..c3077a73fcf1 --- /dev/null +++ b/spl/include/sys/disp.h @@ -0,0 +1,34 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DISP_H +#define _SPL_DISP_H + +#include + +#define kpreempt(unused) schedule() +#define kpreempt_disable() preempt_disable() +#define kpreempt_enable() preempt_enable() + +#endif /* SPL_DISP_H */ diff --git a/spl/include/sys/dkio.h b/spl/include/sys/dkio.h new file mode 100644 index 000000000000..d8c700718ff1 --- /dev/null +++ b/spl/include/sys/dkio.h @@ -0,0 +1,38 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DKIO_H +#define _SPL_DKIO_H + +struct dk_callback { + void (*dkc_callback)(void *dkc_cookie, int error); + void *dkc_cookie; + int dkc_flag; +}; + +#define DKIOC (0x04 << 8) +#define DKIOCFLUSHWRITECACHE (DKIOC | 34) +#define DKIOCTRIM (DKIOC | 35) + +#endif /* _SPL_DKIO_H */ diff --git a/spl/include/sys/dklabel.h b/spl/include/sys/dklabel.h new file mode 100644 index 000000000000..74c0d506fb02 --- /dev/null +++ b/spl/include/sys/dklabel.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DKLABEL_H +#define _SPL_DKLABEL_H + +#endif /* _SPL_DKLABEL_H */ diff --git a/spl/include/sys/dnlc.h b/spl/include/sys/dnlc.h new file mode 100644 index 000000000000..99d16c8855ef --- /dev/null +++ b/spl/include/sys/dnlc.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DNLC_H +#define _SPL_DNLC_H + +#endif /* SPL_DNLC_H */ diff --git a/spl/include/sys/dumphdr.h b/spl/include/sys/dumphdr.h new file mode 100644 index 000000000000..1b45058ad442 --- /dev/null +++ b/spl/include/sys/dumphdr.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_DUMPHDR_H +#define _SPL_DUMPHDR_H + +#endif /* SPL_DUMPHDR_H */ diff --git a/spl/include/sys/efi_partition.h b/spl/include/sys/efi_partition.h new file mode 100644 index 000000000000..c392364237df --- /dev/null +++ b/spl/include/sys/efi_partition.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_EFI_PARTITION_H +#define _SPL_EFI_PARTITION_H + +#endif /* SPL_EFI_PARTITION_H */ diff --git a/spl/include/sys/errno.h b/spl/include/sys/errno.h new file mode 100644 index 000000000000..64d8482dc219 --- /dev/null +++ b/spl/include/sys/errno.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ERRNO_H +#define _SPL_ERRNO_H + +#endif /* SPL_ERRNO_H */ diff --git a/spl/include/sys/extdirent.h b/spl/include/sys/extdirent.h new file mode 100644 index 000000000000..1a5c03145136 --- /dev/null +++ b/spl/include/sys/extdirent.h @@ -0,0 +1,29 @@ +/*****************************************************************************\ + * Copyright (C) 2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_EXTDIRENT_H +#define _SPL_EXTDIRENT_H + +#define ED_CASE_CONFLICT 0x10 + +#endif /* _SPL_EXTDIRENT_H */ diff --git a/spl/include/sys/fcntl.h b/spl/include/sys/fcntl.h new file mode 100644 index 000000000000..88b7a6928c7d --- /dev/null +++ b/spl/include/sys/fcntl.h @@ -0,0 +1,37 @@ +/*****************************************************************************\ + * Copyright (C) 2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_FCNTL_H +#define _SPL_FCNTL_H + +#include + +#define F_FREESP 11 + +#ifdef CONFIG_64BIT +typedef struct flock flock64_t; +#else +typedef struct flock64 flock64_t; +#endif /* CONFIG_64BIT */ + +#endif /* _SPL_FCNTL_H */ diff --git a/spl/include/sys/file.h b/spl/include/sys/file.h new file mode 100644 index 000000000000..67b301c6efc8 --- /dev/null +++ b/spl/include/sys/file.h @@ -0,0 +1,31 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_FILE_H +#define _SPL_FILE_H + +#define FIGNORECASE 0x00080000 +#define FKIOCTL 0x80000000 + +#endif /* SPL_FILE_H */ diff --git a/spl/include/sys/fm/Makefile.am b/spl/include/sys/fm/Makefile.am new file mode 100644 index 000000000000..2821cbe33390 --- /dev/null +++ b/spl/include/sys/fm/Makefile.am @@ -0,0 +1,14 @@ +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/sys/fm/protocol.h \ + $(top_srcdir)/include/sys/fm/util.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/sys/fm +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/sys/fm/Makefile.in b/spl/include/sys/fm/Makefile.in new file mode 100644 index 000000000000..cd8e7d8c1822 --- /dev/null +++ b/spl/include/sys/fm/Makefile.in @@ -0,0 +1,623 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/include/sys/fm/protocol.h b/spl/include/sys/fm/protocol.h new file mode 100644 index 000000000000..e9ce6ff6cda1 --- /dev/null +++ b/spl/include/sys/fm/protocol.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_FM_PROTOCOL_H +#define _SPL_FM_PROTOCOL_H + +#endif /* _SPL_FM_PROTOCOL_H */ diff --git a/spl/include/sys/fm/util.h b/spl/include/sys/fm/util.h new file mode 100644 index 000000000000..7f2dbde9cebd --- /dev/null +++ b/spl/include/sys/fm/util.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_FM_UTIL_H +#define _SPL_FM_UTIL_H + +#endif /* _SPL_FM_UTIL_H */ diff --git a/spl/include/sys/fs/Makefile.am b/spl/include/sys/fs/Makefile.am new file mode 100644 index 000000000000..581083e9c545 --- /dev/null +++ b/spl/include/sys/fs/Makefile.am @@ -0,0 +1,13 @@ +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/sys/fs/swapnode.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/sys/fs +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/sys/fs/Makefile.in b/spl/include/sys/fs/Makefile.in new file mode 100644 index 000000000000..d7b244bcc7ed --- /dev/null +++ b/spl/include/sys/fs/Makefile.in @@ -0,0 +1,621 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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exceeded. +.NOEXPORT: diff --git a/spl/include/sys/fs/swapnode.h b/spl/include/sys/fs/swapnode.h new file mode 100644 index 000000000000..a5df1298d3a1 --- /dev/null +++ b/spl/include/sys/fs/swapnode.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SWAPNODE_H +#define _SPL_SWAPNODE_H + +#endif /* SPL_SWAPNODE_H */ diff --git a/spl/include/sys/idmap.h b/spl/include/sys/idmap.h new file mode 100644 index 000000000000..3618c655c961 --- /dev/null +++ b/spl/include/sys/idmap.h @@ -0,0 +1,29 @@ +/*****************************************************************************\ + * Copyright (C) 2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_IDMAP_H +#define _SPL_IDMAP_H + +#define IDMAP_WK_CREATOR_OWNER_UID 2147483648U + +#endif /* SPL_IDMAP_H */ diff --git a/spl/include/sys/int_limits.h b/spl/include/sys/int_limits.h new file mode 100644 index 000000000000..64f0a11020f9 --- /dev/null +++ b/spl/include/sys/int_limits.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_INT_LIMITS_H +#define _SPL_INT_LIMITS_H + +#endif /* SPL_INT_LIMITS_H */ diff --git a/spl/include/sys/int_types.h b/spl/include/sys/int_types.h new file mode 100644 index 000000000000..582fded20cdc --- /dev/null +++ b/spl/include/sys/int_types.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_INT_TYPES_H +#define _SPL_INT_TYPES_H + +#include + +#endif /* SPL_INT_TYPES_H */ diff --git a/spl/include/sys/inttypes.h b/spl/include/sys/inttypes.h new file mode 100644 index 000000000000..82e555cddf83 --- /dev/null +++ b/spl/include/sys/inttypes.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_INTTYPES_H +#define _SPL_INTTYPES_H + +#endif /* SPL_INTTYPES_H */ diff --git a/spl/include/sys/isa_defs.h b/spl/include/sys/isa_defs.h new file mode 100644 index 000000000000..53dead38c19b --- /dev/null +++ b/spl/include/sys/isa_defs.h @@ -0,0 +1,199 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ISA_DEFS_H +#define _SPL_ISA_DEFS_H + +/* x86_64 arch specific defines */ +#if defined(__x86_64) || defined(__x86_64__) + +#if !defined(__x86_64) +#define __x86_64 +#endif + +#if !defined(__amd64) +#define __amd64 +#endif + +#if !defined(__x86) +#define __x86 +#endif + +#if !defined(_LP64) +#define _LP64 +#endif + +/* i386 arch specific defines */ +#elif defined(__i386) || defined(__i386__) + +#if !defined(__i386) +#define __i386 +#endif + +#if !defined(__x86) +#define __x86 +#endif + +#if !defined(_ILP32) +#define _ILP32 +#endif + +/* powerpc (ppc64) arch specific defines */ +#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) + +#if !defined(__powerpc) +#define __powerpc +#endif + +#if !defined(__powerpc__) +#define __powerpc__ +#endif + +#if defined(__powerpc64__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +/* arm arch specific defines */ +#elif defined(__arm) || defined(__arm__) || defined(__aarch64__) + +#if !defined(__arm) +#define __arm +#endif + +#if !defined(__arm__) +#define __arm__ +#endif + +#if defined(__aarch64__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +#if defined(__ARMEL__) || defined(__AARCH64EL__) +#define _LITTLE_ENDIAN +#else +#define _BIG_ENDIAN +#endif + +/* sparc arch specific defines */ +#elif defined(__sparc) || defined(__sparc__) + +#if !defined(__sparc) +#define __sparc +#endif + +#if !defined(__sparc__) +#define __sparc__ +#endif + +#if defined(__arch64__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +#define _BIG_ENDIAN +#define _SUNOS_VTOC_16 + +/* s390 arch specific defines */ +#elif defined(__s390__) +#if defined(__s390x__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +#define _BIG_ENDIAN + +/* MIPS arch specific defines */ +#elif defined(__mips__) + +#if defined(__MIPSEB__) +#define _BIG_ENDIAN +#elif defined(__MIPSEL__) +#define _LITTLE_ENDIAN +#else +#error MIPS no endian specified +#endif + +#ifndef _LP64 +#define _ILP32 +#endif + +#define _SUNOS_VTOC_16 + +#else +/* + * Currently supported: + * x86_64, i386, arm, powerpc, s390, sparc, and mips + */ +#error "Unsupported ISA type" +#endif + +#if defined(_ILP32) && defined(_LP64) +#error "Both _ILP32 and _LP64 are defined" +#endif + +#if !defined(_ILP32) && !defined(_LP64) +#error "Neither _ILP32 or _LP64 are defined" +#endif + +#include + +#if defined(__LITTLE_ENDIAN) && !defined(_LITTLE_ENDIAN) +#define _LITTLE_ENDIAN __LITTLE_ENDIAN +#endif + +#if defined(__BIG_ENDIAN) && !defined(_BIG_ENDIAN) +#define _BIG_ENDIAN __BIG_ENDIAN +#endif + +#if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN) +#error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined" +#endif + +#if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) +#error "Neither _LITTLE_ENDIAN or _BIG_ENDIAN are defined" +#endif + +#endif /* _SPL_ISA_DEFS_H */ diff --git a/spl/include/sys/kidmap.h b/spl/include/sys/kidmap.h new file mode 100644 index 000000000000..3d67b51a8a14 --- /dev/null +++ b/spl/include/sys/kidmap.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_KIDMAP_H +#define _SPL_KIDMAP_H + +#include + +#endif /* SPL_KIDMAP_H */ diff --git a/spl/include/sys/kmem.h b/spl/include/sys/kmem.h new file mode 100644 index 000000000000..d4b3bf680a45 --- /dev/null +++ b/spl/include/sys/kmem.h @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#ifndef _SPL_KMEM_H +#define _SPL_KMEM_H + +#include +#include +#include + +extern int kmem_debugging(void); +extern char *kmem_vasprintf(const char *fmt, va_list ap); +extern char *kmem_asprintf(const char *fmt, ...); +extern char *strdup(const char *str); +extern void strfree(char *str); + +/* + * Memory allocation interfaces + */ +#define KM_SLEEP 0x0000 /* can block for memory; success guaranteed */ +#define KM_NOSLEEP 0x0001 /* cannot block for memory; may fail */ +#define KM_PUSHPAGE 0x0004 /* can block for memory; may use reserve */ +#define KM_ZERO 0x1000 /* zero the allocation */ +#define KM_VMEM 0x2000 /* caller is vmem_* wrapper */ + +#define KM_PUBLIC_MASK (KM_SLEEP | KM_NOSLEEP | KM_PUSHPAGE) + +/* + * Convert a KM_* flags mask to its Linux GFP_* counterpart. The conversion + * function is context aware which means that KM_SLEEP allocations can be + * safely used in syncing contexts which have set PF_FSTRANS. + */ +static inline gfp_t +kmem_flags_convert(int flags) +{ + gfp_t lflags = __GFP_NOWARN | __GFP_COMP; + + if (flags & KM_NOSLEEP) { + lflags |= GFP_ATOMIC | __GFP_NORETRY; + } else { + lflags |= GFP_KERNEL; + if ((current->flags & PF_FSTRANS)) + lflags &= ~(__GFP_IO|__GFP_FS); + } + + if (flags & KM_PUSHPAGE) + lflags |= __GFP_HIGH; + + if (flags & KM_ZERO) + lflags |= __GFP_ZERO; + + return (lflags); +} + +typedef struct { + struct task_struct *fstrans_thread; + unsigned int saved_flags; +} fstrans_cookie_t; + +#ifdef PF_MEMALLOC_NOIO +#define SPL_FSTRANS (PF_FSTRANS|PF_MEMALLOC_NOIO) +#else +#define SPL_FSTRANS (PF_FSTRANS) +#endif + +static inline fstrans_cookie_t +spl_fstrans_mark(void) +{ + fstrans_cookie_t cookie; + + cookie.fstrans_thread = current; + cookie.saved_flags = current->flags & SPL_FSTRANS; + current->flags |= SPL_FSTRANS; + + return (cookie); +} + +static inline void +spl_fstrans_unmark(fstrans_cookie_t cookie) +{ + ASSERT3P(cookie.fstrans_thread, ==, current); + ASSERT((current->flags & SPL_FSTRANS) == SPL_FSTRANS); + + current->flags &= ~SPL_FSTRANS; + current->flags |= cookie.saved_flags; +} + +static inline int +spl_fstrans_check(void) +{ + return (current->flags & PF_FSTRANS); +} + +#ifdef HAVE_ATOMIC64_T +#define kmem_alloc_used_add(size) atomic64_add(size, &kmem_alloc_used) +#define kmem_alloc_used_sub(size) atomic64_sub(size, &kmem_alloc_used) +#define kmem_alloc_used_read() atomic64_read(&kmem_alloc_used) +#define kmem_alloc_used_set(size) atomic64_set(&kmem_alloc_used, size) +extern atomic64_t kmem_alloc_used; +extern unsigned long long kmem_alloc_max; +#else /* HAVE_ATOMIC64_T */ +#define kmem_alloc_used_add(size) atomic_add(size, &kmem_alloc_used) +#define kmem_alloc_used_sub(size) atomic_sub(size, &kmem_alloc_used) +#define kmem_alloc_used_read() atomic_read(&kmem_alloc_used) +#define kmem_alloc_used_set(size) atomic_set(&kmem_alloc_used, size) +extern atomic_t kmem_alloc_used; +extern unsigned long long kmem_alloc_max; +#endif /* HAVE_ATOMIC64_T */ + +extern unsigned int spl_kmem_alloc_warn; +extern unsigned int spl_kmem_alloc_max; + +#define kmem_alloc(sz, fl) spl_kmem_alloc((sz), (fl), __func__, __LINE__) +#define kmem_zalloc(sz, fl) spl_kmem_zalloc((sz), (fl), __func__, __LINE__) +#define kmem_free(ptr, sz) spl_kmem_free((ptr), (sz)) + +extern void *spl_kmem_alloc(size_t sz, int fl, const char *func, int line); +extern void *spl_kmem_zalloc(size_t sz, int fl, const char *func, int line); +extern void spl_kmem_free(const void *ptr, size_t sz); + +/* + * The following functions are only available for internal use. + */ +extern void *spl_kmem_alloc_impl(size_t size, int flags, int node); +extern void *spl_kmem_alloc_debug(size_t size, int flags, int node); +extern void *spl_kmem_alloc_track(size_t size, int flags, + const char *func, int line, int node); +extern void spl_kmem_free_impl(const void *buf, size_t size); +extern void spl_kmem_free_debug(const void *buf, size_t size); +extern void spl_kmem_free_track(const void *buf, size_t size); + +extern int spl_kmem_init(void); +extern void spl_kmem_fini(void); + +#endif /* _SPL_KMEM_H */ diff --git a/spl/include/sys/kmem_cache.h b/spl/include/sys/kmem_cache.h new file mode 100644 index 000000000000..e971c2b0d952 --- /dev/null +++ b/spl/include/sys/kmem_cache.h @@ -0,0 +1,240 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#ifndef _SPL_KMEM_CACHE_H +#define _SPL_KMEM_CACHE_H + +#include + +/* + * Slab allocation interfaces. The SPL slab differs from the standard + * Linux SLAB or SLUB primarily in that each cache may be backed by slabs + * allocated from the physical or virtal memory address space. The virtual + * slabs allow for good behavior when allocation large objects of identical + * size. This slab implementation also supports both constructors and + * destructors which the Linux slab does not. + */ +enum { + KMC_BIT_NOTOUCH = 0, /* Don't update ages */ + KMC_BIT_NODEBUG = 1, /* Default behavior */ + KMC_BIT_NOMAGAZINE = 2, /* XXX: Unsupported */ + KMC_BIT_NOHASH = 3, /* XXX: Unsupported */ + KMC_BIT_QCACHE = 4, /* XXX: Unsupported */ + KMC_BIT_KMEM = 5, /* Use kmem cache */ + KMC_BIT_VMEM = 6, /* Use vmem cache */ + KMC_BIT_SLAB = 7, /* Use Linux slab cache */ + KMC_BIT_OFFSLAB = 8, /* Objects not on slab */ + KMC_BIT_NOEMERGENCY = 9, /* Disable emergency objects */ + KMC_BIT_DEADLOCKED = 14, /* Deadlock detected */ + KMC_BIT_GROWING = 15, /* Growing in progress */ + KMC_BIT_REAPING = 16, /* Reaping in progress */ + KMC_BIT_DESTROY = 17, /* Destroy in progress */ + KMC_BIT_TOTAL = 18, /* Proc handler helper bit */ + KMC_BIT_ALLOC = 19, /* Proc handler helper bit */ + KMC_BIT_MAX = 20, /* Proc handler helper bit */ +}; + +/* kmem move callback return values */ +typedef enum kmem_cbrc { + KMEM_CBRC_YES = 0, /* Object moved */ + KMEM_CBRC_NO = 1, /* Object not moved */ + KMEM_CBRC_LATER = 2, /* Object not moved, try again later */ + KMEM_CBRC_DONT_NEED = 3, /* Neither object is needed */ + KMEM_CBRC_DONT_KNOW = 4, /* Object unknown */ +} kmem_cbrc_t; + +#define KMC_NOTOUCH (1 << KMC_BIT_NOTOUCH) +#define KMC_NODEBUG (1 << KMC_BIT_NODEBUG) +#define KMC_NOMAGAZINE (1 << KMC_BIT_NOMAGAZINE) +#define KMC_NOHASH (1 << KMC_BIT_NOHASH) +#define KMC_QCACHE (1 << KMC_BIT_QCACHE) +#define KMC_KMEM (1 << KMC_BIT_KMEM) +#define KMC_VMEM (1 << KMC_BIT_VMEM) +#define KMC_SLAB (1 << KMC_BIT_SLAB) +#define KMC_OFFSLAB (1 << KMC_BIT_OFFSLAB) +#define KMC_NOEMERGENCY (1 << KMC_BIT_NOEMERGENCY) +#define KMC_DEADLOCKED (1 << KMC_BIT_DEADLOCKED) +#define KMC_GROWING (1 << KMC_BIT_GROWING) +#define KMC_REAPING (1 << KMC_BIT_REAPING) +#define KMC_DESTROY (1 << KMC_BIT_DESTROY) +#define KMC_TOTAL (1 << KMC_BIT_TOTAL) +#define KMC_ALLOC (1 << KMC_BIT_ALLOC) +#define KMC_MAX (1 << KMC_BIT_MAX) + +#define KMC_REAP_CHUNK INT_MAX +#define KMC_DEFAULT_SEEKS 1 + +#define KMC_EXPIRE_AGE 0x1 /* Due to age */ +#define KMC_EXPIRE_MEM 0x2 /* Due to low memory */ + +#define KMC_RECLAIM_ONCE 0x1 /* Force a single shrinker pass */ + +extern unsigned int spl_kmem_cache_expire; +extern struct list_head spl_kmem_cache_list; +extern struct rw_semaphore spl_kmem_cache_sem; + +#define SKM_MAGIC 0x2e2e2e2e +#define SKO_MAGIC 0x20202020 +#define SKS_MAGIC 0x22222222 +#define SKC_MAGIC 0x2c2c2c2c + +#define SPL_KMEM_CACHE_DELAY 15 /* Minimum slab release age */ +#define SPL_KMEM_CACHE_REAP 0 /* Default reap everything */ +#define SPL_KMEM_CACHE_OBJ_PER_SLAB 8 /* Target objects per slab */ +#define SPL_KMEM_CACHE_OBJ_PER_SLAB_MIN 1 /* Minimum objects per slab */ +#define SPL_KMEM_CACHE_ALIGN 8 /* Default object alignment */ +#ifdef _LP64 +#define SPL_KMEM_CACHE_MAX_SIZE 32 /* Max slab size in MB */ +#else +#define SPL_KMEM_CACHE_MAX_SIZE 4 /* Max slab size in MB */ +#endif + +#define SPL_MAX_ORDER (MAX_ORDER - 3) +#define SPL_MAX_ORDER_NR_PAGES (1 << (SPL_MAX_ORDER - 1)) + +#ifdef CONFIG_SLUB +#define SPL_MAX_KMEM_CACHE_ORDER PAGE_ALLOC_COSTLY_ORDER +#define SPL_MAX_KMEM_ORDER_NR_PAGES (1 << (SPL_MAX_KMEM_CACHE_ORDER - 1)) +#else +#define SPL_MAX_KMEM_ORDER_NR_PAGES (KMALLOC_MAX_SIZE >> PAGE_SHIFT) +#endif + +#define POINTER_IS_VALID(p) 0 /* Unimplemented */ +#define POINTER_INVALIDATE(pp) /* Unimplemented */ + +typedef int (*spl_kmem_ctor_t)(void *, void *, int); +typedef void (*spl_kmem_dtor_t)(void *, void *); +typedef void (*spl_kmem_reclaim_t)(void *); + +typedef struct spl_kmem_magazine { + uint32_t skm_magic; /* Sanity magic */ + uint32_t skm_avail; /* Available objects */ + uint32_t skm_size; /* Magazine size */ + uint32_t skm_refill; /* Batch refill size */ + struct spl_kmem_cache *skm_cache; /* Owned by cache */ + unsigned long skm_age; /* Last cache access */ + unsigned int skm_cpu; /* Owned by cpu */ + void *skm_objs[0]; /* Object pointers */ +} spl_kmem_magazine_t; + +typedef struct spl_kmem_obj { + uint32_t sko_magic; /* Sanity magic */ + void *sko_addr; /* Buffer address */ + struct spl_kmem_slab *sko_slab; /* Owned by slab */ + struct list_head sko_list; /* Free object list linkage */ +} spl_kmem_obj_t; + +typedef struct spl_kmem_slab { + uint32_t sks_magic; /* Sanity magic */ + uint32_t sks_objs; /* Objects per slab */ + struct spl_kmem_cache *sks_cache; /* Owned by cache */ + struct list_head sks_list; /* Slab list linkage */ + struct list_head sks_free_list; /* Free object list */ + unsigned long sks_age; /* Last modify jiffie */ + uint32_t sks_ref; /* Ref count used objects */ +} spl_kmem_slab_t; + +typedef struct spl_kmem_alloc { + struct spl_kmem_cache *ska_cache; /* Owned by cache */ + int ska_flags; /* Allocation flags */ + taskq_ent_t ska_tqe; /* Task queue entry */ +} spl_kmem_alloc_t; + +typedef struct spl_kmem_emergency { + struct rb_node ske_node; /* Emergency tree linkage */ + unsigned long ske_obj; /* Buffer address */ +} spl_kmem_emergency_t; + +typedef struct spl_kmem_cache { + uint32_t skc_magic; /* Sanity magic */ + uint32_t skc_name_size; /* Name length */ + char *skc_name; /* Name string */ + spl_kmem_magazine_t **skc_mag; /* Per-CPU warm cache */ + uint32_t skc_mag_size; /* Magazine size */ + uint32_t skc_mag_refill; /* Magazine refill count */ + spl_kmem_ctor_t skc_ctor; /* Constructor */ + spl_kmem_dtor_t skc_dtor; /* Destructor */ + spl_kmem_reclaim_t skc_reclaim; /* Reclaimator */ + void *skc_private; /* Private data */ + void *skc_vmp; /* Unused */ + struct kmem_cache *skc_linux_cache; /* Linux slab cache if used */ + unsigned long skc_flags; /* Flags */ + uint32_t skc_obj_size; /* Object size */ + uint32_t skc_obj_align; /* Object alignment */ + uint32_t skc_slab_objs; /* Objects per slab */ + uint32_t skc_slab_size; /* Slab size */ + uint32_t skc_delay; /* Slab reclaim interval */ + uint32_t skc_reap; /* Slab reclaim count */ + atomic_t skc_ref; /* Ref count callers */ + taskqid_t skc_taskqid; /* Slab reclaim task */ + struct list_head skc_list; /* List of caches linkage */ + struct list_head skc_complete_list; /* Completely alloc'ed */ + struct list_head skc_partial_list; /* Partially alloc'ed */ + struct rb_root skc_emergency_tree; /* Min sized objects */ + spinlock_t skc_lock; /* Cache lock */ + wait_queue_head_t skc_waitq; /* Allocation waiters */ + uint64_t skc_slab_fail; /* Slab alloc failures */ + uint64_t skc_slab_create; /* Slab creates */ + uint64_t skc_slab_destroy; /* Slab destroys */ + uint64_t skc_slab_total; /* Slab total current */ + uint64_t skc_slab_alloc; /* Slab alloc current */ + uint64_t skc_slab_max; /* Slab max historic */ + uint64_t skc_obj_total; /* Obj total current */ + uint64_t skc_obj_alloc; /* Obj alloc current */ + uint64_t skc_obj_max; /* Obj max historic */ + uint64_t skc_obj_deadlock; /* Obj emergency deadlocks */ + uint64_t skc_obj_emergency; /* Obj emergency current */ + uint64_t skc_obj_emergency_max; /* Obj emergency max */ +} spl_kmem_cache_t; +#define kmem_cache_t spl_kmem_cache_t + +extern spl_kmem_cache_t *spl_kmem_cache_create(char *name, size_t size, + size_t align, spl_kmem_ctor_t ctor, spl_kmem_dtor_t dtor, + spl_kmem_reclaim_t reclaim, void *priv, void *vmp, int flags); +extern void spl_kmem_cache_set_move(spl_kmem_cache_t *, + kmem_cbrc_t (*)(void *, void *, size_t, void *)); +extern void spl_kmem_cache_destroy(spl_kmem_cache_t *skc); +extern void *spl_kmem_cache_alloc(spl_kmem_cache_t *skc, int flags); +extern void spl_kmem_cache_free(spl_kmem_cache_t *skc, void *obj); +extern void spl_kmem_cache_set_allocflags(spl_kmem_cache_t *skc, gfp_t flags); +extern void spl_kmem_cache_reap_now(spl_kmem_cache_t *skc, int count); +extern void spl_kmem_reap(void); + +#define kmem_cache_create(name, size, align, ctor, dtor, rclm, priv, vmp, fl) \ + spl_kmem_cache_create(name, size, align, ctor, dtor, rclm, priv, vmp, fl) +#define kmem_cache_set_move(skc, move) spl_kmem_cache_set_move(skc, move) +#define kmem_cache_destroy(skc) spl_kmem_cache_destroy(skc) +#define kmem_cache_alloc(skc, flags) spl_kmem_cache_alloc(skc, flags) +#define kmem_cache_free(skc, obj) spl_kmem_cache_free(skc, obj) +#define kmem_cache_reap_now(skc) \ + spl_kmem_cache_reap_now(skc, skc->skc_reap) +#define kmem_reap() spl_kmem_reap() + +/* + * The following functions are only available for internal use. + */ +extern int spl_kmem_cache_init(void); +extern void spl_kmem_cache_fini(void); + +#endif /* _SPL_KMEM_CACHE_H */ diff --git a/spl/include/sys/kobj.h b/spl/include/sys/kobj.h new file mode 100644 index 000000000000..f95fa8039762 --- /dev/null +++ b/spl/include/sys/kobj.h @@ -0,0 +1,42 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_KOBJ_H +#define _SPL_KOBJ_H + +#include + +typedef struct _buf { + vnode_t *vp; +} _buf_t; + +typedef struct _buf buf_t; + +extern struct _buf *kobj_open_file(const char *name); +extern void kobj_close_file(struct _buf *file); +extern int kobj_read_file(struct _buf *file, char *buf, + ssize_t size, offset_t off); +extern int kobj_get_filesize(struct _buf *file, uint64_t *size); + +#endif /* SPL_KOBJ_H */ diff --git a/spl/include/sys/kstat.h b/spl/include/sys/kstat.h new file mode 100644 index 000000000000..faf6b81dabfe --- /dev/null +++ b/spl/include/sys/kstat.h @@ -0,0 +1,202 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_KSTAT_H +#define _SPL_KSTAT_H + +#include +#include +#include +#include +#include +#include + +#define KSTAT_STRLEN 31 +#define KSTAT_RAW_MAX (128*1024) + +/* For reference valid classes are: + * disk, tape, net, controller, vm, kvm, hat, streams, kstat, misc + */ + +#define KSTAT_TYPE_RAW 0 /* can be anything; ks_ndata >= 1 */ +#define KSTAT_TYPE_NAMED 1 /* name/value pair; ks_ndata >= 1 */ +#define KSTAT_TYPE_INTR 2 /* interrupt stats; ks_ndata == 1 */ +#define KSTAT_TYPE_IO 3 /* I/O stats; ks_ndata == 1 */ +#define KSTAT_TYPE_TIMER 4 /* event timer; ks_ndata >= 1 */ +#define KSTAT_NUM_TYPES 5 + +#define KSTAT_DATA_CHAR 0 +#define KSTAT_DATA_INT32 1 +#define KSTAT_DATA_UINT32 2 +#define KSTAT_DATA_INT64 3 +#define KSTAT_DATA_UINT64 4 +#define KSTAT_DATA_LONG 5 +#define KSTAT_DATA_ULONG 6 +#define KSTAT_DATA_STRING 7 +#define KSTAT_NUM_DATAS 8 + +#define KSTAT_INTR_HARD 0 +#define KSTAT_INTR_SOFT 1 +#define KSTAT_INTR_WATCHDOG 2 +#define KSTAT_INTR_SPURIOUS 3 +#define KSTAT_INTR_MULTSVC 4 +#define KSTAT_NUM_INTRS 5 + +#define KSTAT_FLAG_VIRTUAL 0x01 +#define KSTAT_FLAG_VAR_SIZE 0x02 +#define KSTAT_FLAG_WRITABLE 0x04 +#define KSTAT_FLAG_PERSISTENT 0x08 +#define KSTAT_FLAG_DORMANT 0x10 +#define KSTAT_FLAG_UNSUPPORTED (KSTAT_FLAG_VAR_SIZE | KSTAT_FLAG_WRITABLE | \ + KSTAT_FLAG_PERSISTENT | KSTAT_FLAG_DORMANT) + + +#define KS_MAGIC 0x9d9d9d9d + +/* Dynamic updates */ +#define KSTAT_READ 0 +#define KSTAT_WRITE 1 + +struct kstat_s; +typedef struct kstat_s kstat_t; + +typedef int kid_t; /* unique kstat id */ +typedef int kstat_update_t(struct kstat_s *, int); /* dynamic update cb */ + +typedef struct kstat_module { + char ksm_name[KSTAT_STRLEN+1]; /* module name */ + struct list_head ksm_module_list; /* module linkage */ + struct list_head ksm_kstat_list; /* list of kstat entries */ + struct proc_dir_entry *ksm_proc; /* proc entry */ +} kstat_module_t; + +typedef struct kstat_raw_ops { + int (*headers)(char *buf, size_t size); + int (*data)(char *buf, size_t size, void *data); + void *(*addr)(kstat_t *ksp, loff_t index); +} kstat_raw_ops_t; + +struct kstat_s { + int ks_magic; /* magic value */ + kid_t ks_kid; /* unique kstat ID */ + hrtime_t ks_crtime; /* creation time */ + hrtime_t ks_snaptime; /* last access time */ + char ks_module[KSTAT_STRLEN+1]; /* provider module name */ + int ks_instance; /* provider module instance */ + char ks_name[KSTAT_STRLEN+1]; /* kstat name */ + char ks_class[KSTAT_STRLEN+1]; /* kstat class */ + uchar_t ks_type; /* kstat data type */ + uchar_t ks_flags; /* kstat flags */ + void *ks_data; /* kstat type-specific data */ + uint_t ks_ndata; /* # of type-specific data records */ + size_t ks_data_size; /* size of kstat data section */ + struct proc_dir_entry *ks_proc; /* proc linkage */ + kstat_update_t *ks_update; /* dynamic updates */ + void *ks_private; /* private data */ + kmutex_t ks_private_lock; /* kstat private data lock */ + kmutex_t *ks_lock; /* kstat data lock */ + struct list_head ks_list; /* kstat linkage */ + kstat_module_t *ks_owner; /* kstat module linkage */ + kstat_raw_ops_t ks_raw_ops; /* ops table for raw type */ + char *ks_raw_buf; /* buf used for raw ops */ + size_t ks_raw_bufsize; /* size of raw ops buffer */ +}; + +typedef struct kstat_named_s { + char name[KSTAT_STRLEN]; /* name of counter */ + uchar_t data_type; /* data type */ + union { + char c[16]; /* 128-bit int */ + int32_t i32; /* 32-bit signed int */ + uint32_t ui32; /* 32-bit unsigned int */ + int64_t i64; /* 64-bit signed int */ + uint64_t ui64; /* 64-bit unsigned int */ + long l; /* native signed long */ + ulong_t ul; /* native unsigned long */ + struct { + union { + char *ptr; /* NULL-term string */ + char __pad[8]; /* 64-bit padding */ + } addr; + uint32_t len; /* # bytes for strlen + '\0' */ + } string; + } value; +} kstat_named_t; + +#define KSTAT_NAMED_STR_PTR(knptr) ((knptr)->value.string.addr.ptr) +#define KSTAT_NAMED_STR_BUFLEN(knptr) ((knptr)->value.string.len) + +typedef struct kstat_intr { + uint_t intrs[KSTAT_NUM_INTRS]; +} kstat_intr_t; + +typedef struct kstat_io { + u_longlong_t nread; /* number of bytes read */ + u_longlong_t nwritten; /* number of bytes written */ + uint_t reads; /* number of read operations */ + uint_t writes; /* number of write operations */ + hrtime_t wtime; /* cumulative wait (pre-service) time */ + hrtime_t wlentime; /* cumulative wait length*time product*/ + hrtime_t wlastupdate; /* last time wait queue changed */ + hrtime_t rtime; /* cumulative run (service) time */ + hrtime_t rlentime; /* cumulative run length*time product */ + hrtime_t rlastupdate; /* last time run queue changed */ + uint_t wcnt; /* count of elements in wait state */ + uint_t rcnt; /* count of elements in run state */ +} kstat_io_t; + +typedef struct kstat_timer { + char name[KSTAT_STRLEN+1]; /* event name */ + u_longlong_t num_events; /* number of events */ + hrtime_t elapsed_time; /* cumulative elapsed time */ + hrtime_t min_time; /* shortest event duration */ + hrtime_t max_time; /* longest event duration */ + hrtime_t start_time; /* previous event start time */ + hrtime_t stop_time; /* previous event stop time */ +} kstat_timer_t; + +int spl_kstat_init(void); +void spl_kstat_fini(void); + +extern void __kstat_set_raw_ops(kstat_t *ksp, + int (*headers)(char *buf, size_t size), + int (*data)(char *buf, size_t size, void *data), + void* (*addr)(kstat_t *ksp, loff_t index)); +extern kstat_t *__kstat_create(const char *ks_module, int ks_instance, + const char *ks_name, const char *ks_class, + uchar_t ks_type, uint_t ks_ndata, + uchar_t ks_flags); +extern void __kstat_install(kstat_t *ksp); +extern void __kstat_delete(kstat_t *ksp); +extern void kstat_waitq_enter(kstat_io_t *); +extern void kstat_waitq_exit(kstat_io_t *); +extern void kstat_runq_enter(kstat_io_t *); +extern void kstat_runq_exit(kstat_io_t *); + +#define kstat_set_raw_ops(k,h,d,a) __kstat_set_raw_ops(k,h,d,a) +#define kstat_create(m,i,n,c,t,s,f) __kstat_create(m,i,n,c,t,s,f) +#define kstat_install(k) __kstat_install(k) +#define kstat_delete(k) __kstat_delete(k) + +#endif /* _SPL_KSTAT_H */ diff --git a/spl/include/sys/list.h b/spl/include/sys/list.h new file mode 100644 index 000000000000..563784ae49dc --- /dev/null +++ b/spl/include/sys/list.h @@ -0,0 +1,219 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_LIST_H +#define _SPL_LIST_H + +#include +#include + +/* + * NOTE: I have implemented the Solaris list API in terms of the native + * linux API. This has certain advantages in terms of leveraging the linux + * list debugging infrastructure, but it also means that the internals of a + * list differ slightly than on Solaris. This is not a problem as long as + * all callers stick to the published API. The two major differences are: + * + * 1) A list_node_t is mapped to a linux list_head struct which changes + * the name of the list_next/list_prev pointers to next/prev respectively. + * + * 2) A list_node_t which is not attached to a list on Solaris is denoted + * by having its list_next/list_prev pointers set to NULL. Under linux + * the next/prev pointers are set to LIST_POISON1 and LIST_POISON2 + * respectively. At this moment this only impacts the implementation + * of the list_link_init() and list_link_active() functions. + */ + +typedef struct list_head list_node_t; + +typedef struct list { + size_t list_size; + size_t list_offset; + list_node_t list_head; +} list_t; + +#define list_d2l(a, obj) ((list_node_t *)(((char *)obj) + (a)->list_offset)) +#define list_object(a, node) ((void *)(((char *)node) - (a)->list_offset)) + +static inline int +list_is_empty(list_t *list) +{ + return list_empty(&list->list_head); +} + +static inline void +list_link_init(list_node_t *node) +{ + node->next = LIST_POISON1; + node->prev = LIST_POISON2; +} + +static inline void +list_create(list_t *list, size_t size, size_t offset) +{ + ASSERT(list); + ASSERT(size > 0); + ASSERT(size >= offset + sizeof(list_node_t)); + + list->list_size = size; + list->list_offset = offset; + INIT_LIST_HEAD(&list->list_head); +} + +static inline void +list_destroy(list_t *list) +{ + ASSERT(list); + ASSERT(list_is_empty(list)); + + list_del(&list->list_head); +} + +static inline void +list_insert_head(list_t *list, void *object) +{ + list_add(list_d2l(list, object), &list->list_head); +} + +static inline void +list_insert_tail(list_t *list, void *object) +{ + list_add_tail(list_d2l(list, object), &list->list_head); +} + +static inline void +list_insert_after(list_t *list, void *object, void *nobject) +{ + if (object == NULL) + list_insert_head(list, nobject); + else + list_add(list_d2l(list, nobject), list_d2l(list, object)); +} + +static inline void +list_insert_before(list_t *list, void *object, void *nobject) +{ + if (object == NULL) + list_insert_tail(list, nobject); + else + list_add_tail(list_d2l(list, nobject), list_d2l(list, object)); +} + +static inline void +list_remove(list_t *list, void *object) +{ + ASSERT(!list_is_empty(list)); + list_del(list_d2l(list, object)); +} + +static inline void * +list_remove_head(list_t *list) +{ + list_node_t *head = list->list_head.next; + if (head == &list->list_head) + return NULL; + + list_del(head); + return list_object(list, head); +} + +static inline void * +list_remove_tail(list_t *list) +{ + list_node_t *tail = list->list_head.prev; + if (tail == &list->list_head) + return NULL; + + list_del(tail); + return list_object(list, tail); +} + +static inline void * +list_head(list_t *list) +{ + if (list_is_empty(list)) + return NULL; + + return list_object(list, list->list_head.next); +} + +static inline void * +list_tail(list_t *list) +{ + if (list_is_empty(list)) + return NULL; + + return list_object(list, list->list_head.prev); +} + +static inline void * +list_next(list_t *list, void *object) +{ + list_node_t *node = list_d2l(list, object); + + if (node->next != &list->list_head) + return list_object(list, node->next); + + return NULL; +} + +static inline void * +list_prev(list_t *list, void *object) +{ + list_node_t *node = list_d2l(list, object); + + if (node->prev != &list->list_head) + return list_object(list, node->prev); + + return NULL; +} + +static inline int +list_link_active(list_node_t *node) +{ + return (node->next != LIST_POISON1) && (node->prev != LIST_POISON2); +} + +static inline void +spl_list_move_tail(list_t *dst, list_t *src) +{ + list_splice_init(&src->list_head, dst->list_head.prev); +} + +#define list_move_tail(dst, src) spl_list_move_tail(dst, src) + +static inline void +list_link_replace(list_node_t *old_node, list_node_t *new_node) +{ + ASSERT(list_link_active(old_node)); + ASSERT(!list_link_active(new_node)); + + new_node->next = old_node->next; + new_node->prev = old_node->prev; + old_node->prev->next = new_node; + old_node->next->prev = new_node; + list_link_init(old_node); +} + +#endif /* SPL_LIST_H */ diff --git a/spl/include/sys/mkdev.h b/spl/include/sys/mkdev.h new file mode 100644 index 000000000000..d765b7374cf8 --- /dev/null +++ b/spl/include/sys/mkdev.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_MKDEV_H +#define _SPL_MKDEV_H + +#endif /* SPL_MKDEV_H */ diff --git a/spl/include/sys/mntent.h b/spl/include/sys/mntent.h new file mode 100644 index 000000000000..66fae87d40a8 --- /dev/null +++ b/spl/include/sys/mntent.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_MNTENT_H +#define _SPL_MNTENT_H + +#endif /* SPL_MNTENT_H */ diff --git a/spl/include/sys/modctl.h b/spl/include/sys/modctl.h new file mode 100644 index 000000000000..8d79e5312d1f --- /dev/null +++ b/spl/include/sys/modctl.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_MODCTL_H +#define _SPL_MODCTL_H + +#endif /* SPL_MODCTL_H */ diff --git a/spl/include/sys/mode.h b/spl/include/sys/mode.h new file mode 100644 index 000000000000..d09965e4a115 --- /dev/null +++ b/spl/include/sys/mode.h @@ -0,0 +1,32 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_MODE_H +#define _SPL_MODE_H + +#define IFTOVT(mode) vn_mode_to_vtype(mode) +#define VTTOIF(vtype) vn_vtype_to_mode(vtype) +#define MAKEIMODE(T, M) (VTTOIF(T) | ((M) & ~S_IFMT)) + +#endif /* SPL_MODE_H */ diff --git a/spl/include/sys/mount.h b/spl/include/sys/mount.h new file mode 100644 index 000000000000..ca1796d7d750 --- /dev/null +++ b/spl/include/sys/mount.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_MOUNT_H +#define _SPL_MOUNT_H + +#endif /* SPL_MOUNT_H */ diff --git a/spl/include/sys/mutex.h b/spl/include/sys/mutex.h new file mode 100644 index 000000000000..be69deaab5d5 --- /dev/null +++ b/spl/include/sys/mutex.h @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#ifndef _SPL_MUTEX_H +#define _SPL_MUTEX_H + +#include +#include +#include + +typedef enum { + MUTEX_DEFAULT = 0, + MUTEX_SPIN = 1, + MUTEX_ADAPTIVE = 2 +} kmutex_type_t; + +typedef struct { + struct mutex m_mutex; + spinlock_t m_lock; /* used for serializing mutex_exit */ +#ifndef HAVE_MUTEX_OWNER + /* only when kernel doesn't have owner */ + kthread_t *m_owner; +#endif +} kmutex_t; + +#define MUTEX(mp) (&((mp)->m_mutex)) + +static inline void +spl_mutex_set_owner(kmutex_t *mp) +{ + /* + * kernel will handle its owner, so we don't need to do anything if it + * is defined. + */ +#ifndef HAVE_MUTEX_OWNER + mp->m_owner = current; +#endif +} + +static inline void +spl_mutex_clear_owner(kmutex_t *mp) +{ +#ifndef HAVE_MUTEX_OWNER + mp->m_owner = NULL; +#endif +} + +#ifdef HAVE_MUTEX_OWNER +#define mutex_owner(mp) (ACCESS_ONCE(MUTEX(mp)->owner)) +#else +#define mutex_owner(mp) (ACCESS_ONCE((mp)->m_owner)) +#endif +#define mutex_owned(mp) (mutex_owner(mp) == current) +#define MUTEX_HELD(mp) mutex_owned(mp) +#define MUTEX_NOT_HELD(mp) (!MUTEX_HELD(mp)) + +/* + * The following functions must be a #define and not static inline. + * This ensures that the native linux mutex functions (lock/unlock) + * will be correctly located in the users code which is important + * for the built in kernel lock analysis tools + */ +#undef mutex_init +#define mutex_init(mp, name, type, ibc) \ +{ \ + static struct lock_class_key __key; \ + ASSERT(type == MUTEX_DEFAULT); \ + \ + __mutex_init(MUTEX(mp), (name) ? (#name) : (#mp), &__key); \ + spin_lock_init(&(mp)->m_lock); \ + spl_mutex_clear_owner(mp); \ +} + +#undef mutex_destroy +#define mutex_destroy(mp) \ +{ \ + VERIFY3P(mutex_owner(mp), ==, NULL); \ +} + +#define mutex_tryenter(mp) \ +({ \ + int _rc_; \ + \ + if ((_rc_ = mutex_trylock(MUTEX(mp))) == 1) \ + spl_mutex_set_owner(mp); \ + \ + _rc_; \ +}) + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +#define mutex_enter_nested(mp, subclass) \ +{ \ + ASSERT3P(mutex_owner(mp), !=, current); \ + mutex_lock_nested(MUTEX(mp), (subclass)); \ + spl_mutex_set_owner(mp); \ +} +#else /* CONFIG_DEBUG_LOCK_ALLOC */ +#define mutex_enter_nested(mp, subclass) \ +{ \ + ASSERT3P(mutex_owner(mp), !=, current); \ + mutex_lock(MUTEX(mp)); \ + spl_mutex_set_owner(mp); \ +} +#endif /* CONFIG_DEBUG_LOCK_ALLOC */ + +#define mutex_enter(mp) mutex_enter_nested((mp), 0) + +/* + * The reason for the spinlock: + * + * The Linux mutex is designed with a fast-path/slow-path design such that it + * does not guarantee serialization upon itself, allowing a race where latter + * acquirers finish mutex_unlock before former ones. + * + * The race renders it unsafe to be used for serializing the freeing of an + * object in which the mutex is embedded, where the latter acquirer could go + * on to free the object while the former one is still doing mutex_unlock and + * causing memory corruption. + * + * However, there are many places in ZFS where the mutex is used for + * serializing object freeing, and the code is shared among other OSes without + * this issue. Thus, we need the spinlock to force the serialization on + * mutex_exit(). + * + * See http://lwn.net/Articles/575477/ for the information about the race. + */ +#define mutex_exit(mp) \ +{ \ + spin_lock(&(mp)->m_lock); \ + spl_mutex_clear_owner(mp); \ + mutex_unlock(MUTEX(mp)); \ + spin_unlock(&(mp)->m_lock); \ +} + +int spl_mutex_init(void); +void spl_mutex_fini(void); + +#endif /* _SPL_MUTEX_H */ diff --git a/spl/include/sys/note.h b/spl/include/sys/note.h new file mode 100644 index 000000000000..511756272b64 --- /dev/null +++ b/spl/include/sys/note.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_NOTE_H +#define _SPL_NOTE_H + +#endif /* SPL_NOTE_H */ diff --git a/spl/include/sys/open.h b/spl/include/sys/open.h new file mode 100644 index 000000000000..e3ebd8c8486e --- /dev/null +++ b/spl/include/sys/open.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_OPEN_H +#define _SPL_OPEN_H + +#endif /* SPL_OPEN_H */ diff --git a/spl/include/sys/param.h b/spl/include/sys/param.h new file mode 100644 index 000000000000..5b5b5f550bab --- /dev/null +++ b/spl/include/sys/param.h @@ -0,0 +1,36 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_PARAM_H +#define _SPL_PARAM_H + +#include + +/* Pages to bytes and back */ +#define ptob(pages) (pages << PAGE_SHIFT) +#define btop(bytes) (bytes >> PAGE_SHIFT) + +#define MAXUID UINT32_MAX + +#endif /* SPL_PARAM_H */ diff --git a/spl/include/sys/pathname.h b/spl/include/sys/pathname.h new file mode 100644 index 000000000000..71ea441cb7e2 --- /dev/null +++ b/spl/include/sys/pathname.h @@ -0,0 +1,35 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_PATHNAME_H +#define _SPL_PATHNAME_H + +typedef struct pathname { + char *pn_buf; /* underlying storage */ + char *pn_path; /* remaining pathname */ + size_t pn_pathlen; /* remaining length */ + size_t pn_bufsize; /* total size of pn_buf */ +} pathname_t; + +#endif /* SPL_PATHNAME_H */ diff --git a/spl/include/sys/policy.h b/spl/include/sys/policy.h new file mode 100644 index 000000000000..45e724bc5231 --- /dev/null +++ b/spl/include/sys/policy.h @@ -0,0 +1,47 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_POLICY_H +#define _SPL_POLICY_H + +#define secpolicy_fs_unmount(c,vfs) (0) +#define secpolicy_nfs(c) (0) +#define secpolicy_sys_config(c,co) (0) +#define secpolicy_zfs(c) (0) +#define secpolicy_zinject(c) (0) +#define secpolicy_vnode_setids_setgids(c,id) (0) +#define secpolicy_vnode_setid_retain(c, sr) (0) +#define secpolicy_setid_clear(v, c) (0) +#define secpolicy_vnode_any_access(c,vp,o) (0) +#define secpolicy_vnode_access2(c,cp,o,m1,m2) (0) +#define secpolicy_vnode_chown(c,o) (0) +#define secpolicy_vnode_setdac(c,o) (0) +#define secpolicy_vnode_remove(c) (0) +#define secpolicy_vnode_setattr(c,v,a,o,f,func,n) (0) +#define secpolicy_xvattr(x, o, c, t) (0) +#define secpolicy_vnode_stky_modify(c) (0) +#define secpolicy_setid_setsticky_clear(v,a,o,c) (0) +#define secpolicy_basic_link(c) (0) + +#endif /* SPL_POLICY_H */ diff --git a/spl/include/sys/pool.h b/spl/include/sys/pool.h new file mode 100644 index 000000000000..bf6a0bb7da72 --- /dev/null +++ b/spl/include/sys/pool.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_POOL_H +#define _SPL_POOL_H + +#include + +#endif /* SPL_POOL_H */ diff --git a/spl/include/sys/priv_impl.h b/spl/include/sys/priv_impl.h new file mode 100644 index 000000000000..f1507a89e356 --- /dev/null +++ b/spl/include/sys/priv_impl.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_PRIV_IMPL_H +#define _SPL_PRIV_IMPL_H + +#endif /* _SPL_PRIV_IMPL_H */ diff --git a/spl/include/sys/proc.h b/spl/include/sys/proc.h new file mode 100644 index 000000000000..dbaf4162f261 --- /dev/null +++ b/spl/include/sys/proc.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_PROC_H +#define _SPL_PROC_H + +#endif /* SPL_PROC_H */ diff --git a/spl/include/sys/processor.h b/spl/include/sys/processor.h new file mode 100644 index 000000000000..60b1a211bc19 --- /dev/null +++ b/spl/include/sys/processor.h @@ -0,0 +1,32 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_PROCESSOR_H +#define _SPL_PROCESSOR_H + +#define getcpuid() smp_processor_id() + +typedef int processorid_t; + +#endif /* _SPL_PROCESSOR_H */ diff --git a/spl/include/sys/pset.h b/spl/include/sys/pset.h new file mode 100644 index 000000000000..2723d310b573 --- /dev/null +++ b/spl/include/sys/pset.h @@ -0,0 +1,38 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_PSET_H +#define _SPL_PSET_H + +typedef int psetid_t; + +/* special processor set id's */ +#define PS_NONE -1 +#define PS_QUERY -2 +#define PS_MYID -3 +#define PS_SOFT -4 +#define PS_HARD -5 +#define PS_QUERY_TYPE -6 + +#endif /* SPL_PSET_H */ diff --git a/spl/include/sys/random.h b/spl/include/sys/random.h new file mode 100644 index 000000000000..2bf581f2651f --- /dev/null +++ b/spl/include/sys/random.h @@ -0,0 +1,45 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_RANDOM_H +#define _SPL_RANDOM_H + +#include +#include + +static __inline__ int +random_get_bytes(uint8_t *ptr, size_t len) +{ + get_random_bytes((void *)ptr,(int)len); + return 0; +} + +static __inline__ int +random_get_pseudo_bytes(uint8_t *ptr, size_t len) +{ + get_random_bytes((void *)ptr,(int)len); + return 0; +} + +#endif /* _SPL_RANDOM_H */ diff --git a/spl/include/sys/refstr.h b/spl/include/sys/refstr.h new file mode 100644 index 000000000000..49a3417d150c --- /dev/null +++ b/spl/include/sys/refstr.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_REFSTR_H +#define _SPL_REFSTR_H + +#endif /* SPL_REFSTR_H */ diff --git a/spl/include/sys/resource.h b/spl/include/sys/resource.h new file mode 100644 index 000000000000..fe336555fb89 --- /dev/null +++ b/spl/include/sys/resource.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_RESOURCE_H +#define _SPL_RESOURCE_H + +#include + +#endif /* SPL_RESOURCE_H */ diff --git a/spl/include/sys/rwlock.h b/spl/include/sys/rwlock.h new file mode 100644 index 000000000000..c8ed223d4461 --- /dev/null +++ b/spl/include/sys/rwlock.h @@ -0,0 +1,199 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_RWLOCK_H +#define _SPL_RWLOCK_H + +#include +#include +#include + +typedef enum { + RW_DRIVER = 2, + RW_DEFAULT = 4 +} krw_type_t; + +typedef enum { + RW_NONE = 0, + RW_WRITER = 1, + RW_READER = 2 +} krw_t; + +typedef struct { + struct rw_semaphore rw_rwlock; + kthread_t *rw_owner; +} krwlock_t; + +#define SEM(rwp) ((struct rw_semaphore *)(rwp)) + +static inline void +spl_rw_set_owner(krwlock_t *rwp) +{ + unsigned long flags; + + spl_rwsem_lock_irqsave(&SEM(rwp)->wait_lock, flags); + rwp->rw_owner = current; + spl_rwsem_unlock_irqrestore(&SEM(rwp)->wait_lock, flags); +} + +static inline void +spl_rw_clear_owner(krwlock_t *rwp) +{ + unsigned long flags; + + spl_rwsem_lock_irqsave(&SEM(rwp)->wait_lock, flags); + rwp->rw_owner = NULL; + spl_rwsem_unlock_irqrestore(&SEM(rwp)->wait_lock, flags); +} + +static inline kthread_t * +rw_owner(krwlock_t *rwp) +{ + unsigned long flags; + kthread_t *owner; + + spl_rwsem_lock_irqsave(&SEM(rwp)->wait_lock, flags); + owner = rwp->rw_owner; + spl_rwsem_unlock_irqrestore(&SEM(rwp)->wait_lock, flags); + + return owner; +} + +static inline int +RW_READ_HELD(krwlock_t *rwp) +{ + /* + * Linux 4.8 will set owner to 1 when read held instead of leave it + * NULL. So we check whether owner <= 1. + */ + return (spl_rwsem_is_locked(SEM(rwp)) && + (unsigned long)rw_owner(rwp) <= 1); +} + +static inline int +RW_WRITE_HELD(krwlock_t *rwp) +{ + return (spl_rwsem_is_locked(SEM(rwp)) && rw_owner(rwp) == current); +} + +static inline int +RW_LOCK_HELD(krwlock_t *rwp) +{ + return spl_rwsem_is_locked(SEM(rwp)); +} + +/* + * The following functions must be a #define and not static inline. + * This ensures that the native linux semaphore functions (down/up) + * will be correctly located in the users code which is important + * for the built in kernel lock analysis tools + */ +#define rw_init(rwp, name, type, arg) \ +({ \ + static struct lock_class_key __key; \ + \ + __init_rwsem(SEM(rwp), #rwp, &__key); \ + spl_rw_clear_owner(rwp); \ +}) + +#define rw_destroy(rwp) \ +({ \ + VERIFY(!RW_LOCK_HELD(rwp)); \ +}) + +#define rw_tryenter(rwp, rw) \ +({ \ + int _rc_ = 0; \ + \ + switch (rw) { \ + case RW_READER: \ + _rc_ = down_read_trylock(SEM(rwp)); \ + break; \ + case RW_WRITER: \ + if ((_rc_ = down_write_trylock(SEM(rwp)))) \ + spl_rw_set_owner(rwp); \ + break; \ + default: \ + VERIFY(0); \ + } \ + _rc_; \ +}) + +#define rw_enter(rwp, rw) \ +({ \ + switch (rw) { \ + case RW_READER: \ + down_read(SEM(rwp)); \ + break; \ + case RW_WRITER: \ + down_write(SEM(rwp)); \ + spl_rw_set_owner(rwp); \ + break; \ + default: \ + VERIFY(0); \ + } \ +}) + +#define rw_exit(rwp) \ +({ \ + if (RW_WRITE_HELD(rwp)) { \ + spl_rw_clear_owner(rwp); \ + up_write(SEM(rwp)); \ + } else { \ + ASSERT(RW_READ_HELD(rwp)); \ + up_read(SEM(rwp)); \ + } \ +}) + +#define rw_downgrade(rwp) \ +({ \ + spl_rw_clear_owner(rwp); \ + downgrade_write(SEM(rwp)); \ +}) + +/* + * This implementation of rw_tryupgrade() behaves slightly differently + * from its counterparts on other platforms. It drops the RW_READER lock + * and then acquires the RW_WRITER lock leaving a small window where no + * lock is held. On other platforms the lock is never released during + * the upgrade process. This is necessary under Linux because the kernel + * does not provide an upgrade function. + */ +#define rw_tryupgrade(rwp) \ +({ \ + int _rc_ = 0; \ + \ + if (RW_WRITE_HELD(rwp)) { \ + _rc_ = 1; \ + } else { \ + if ((_rc_ = rwsem_tryupgrade(SEM(rwp)))) \ + spl_rw_set_owner(rwp); \ + } \ + _rc_; \ +}) + +int spl_rw_init(void); +void spl_rw_fini(void); + +#endif /* _SPL_RWLOCK_H */ diff --git a/spl/include/sys/sdt.h b/spl/include/sys/sdt.h new file mode 100644 index 000000000000..287bfaa71423 --- /dev/null +++ b/spl/include/sys/sdt.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SDT_H +#define _SPL_SDT_H + +#define SET_ERROR(x) (x) + +#endif /* SPL_SDT_H */ diff --git a/spl/include/sys/sid.h b/spl/include/sys/sid.h new file mode 100644 index 000000000000..8ee5d0727772 --- /dev/null +++ b/spl/include/sys/sid.h @@ -0,0 +1,61 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SID_H +#define _SPL_SID_H + +typedef struct ksiddomain { + char *kd_name; +} ksiddomain_t; + +typedef enum ksid_index { + KSID_USER, + KSID_GROUP, + KSID_OWNER, + KSID_COUNT +} ksid_index_t; + +typedef int ksid_t; + +static inline ksiddomain_t * +ksid_lookupdomain(const char *dom) +{ + ksiddomain_t *kd; + int len = strlen(dom); + + kd = kmem_zalloc(sizeof(ksiddomain_t), KM_SLEEP); + kd->kd_name = kmem_zalloc(len + 1, KM_SLEEP); + memcpy(kd->kd_name, dom, len); + + return (kd); +} + +static inline void +ksiddomain_rele(ksiddomain_t *ksid) +{ + kmem_free(ksid->kd_name, strlen(ksid->kd_name) + 1); + kmem_free(ksid, sizeof(ksiddomain_t)); +} + +#endif /* _SPL_SID_H */ diff --git a/spl/include/sys/signal.h b/spl/include/sys/signal.h new file mode 100644 index 000000000000..823fea32912e --- /dev/null +++ b/spl/include/sys/signal.h @@ -0,0 +1,50 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SIGNAL_H +#define _SPL_SIGNAL_H + +#include + +#define FORREAL 0 /* Usual side-effects */ +#define JUSTLOOKING 1 /* Don't stop the process */ + +/* The "why" argument indicates the allowable side-effects of the call: + * + * FORREAL: Extract the next pending signal from p_sig into p_cursig; + * stop the process if a stop has been requested or if a traced signal + * is pending. + * + * JUSTLOOKING: Don't stop the process, just indicate whether or not + * a signal might be pending (FORREAL is needed to tell for sure). + */ +static __inline__ int +issig(int why) +{ + ASSERT(why == FORREAL || why == JUSTLOOKING); + + return signal_pending(current); +} + +#endif /* SPL_SIGNAL_H */ diff --git a/spl/include/sys/stat.h b/spl/include/sys/stat.h new file mode 100644 index 000000000000..cde7556a6186 --- /dev/null +++ b/spl/include/sys/stat.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_STAT_H +#define _SPL_STAT_H + +#include + +#endif /* SPL_STAT_H */ diff --git a/spl/include/sys/stropts.h b/spl/include/sys/stropts.h new file mode 100644 index 000000000000..25c7ee18f933 --- /dev/null +++ b/spl/include/sys/stropts.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_STROPTS_H +#define _SPL_STROPTS_H + +#endif /* SPL_STROPTS_H */ diff --git a/spl/include/sys/sunddi.h b/spl/include/sys/sunddi.h new file mode 100644 index 000000000000..c49b0c26cd77 --- /dev/null +++ b/spl/include/sys/sunddi.h @@ -0,0 +1,59 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SUNDDI_H +#define _SPL_SUNDDI_H + +#include +#include +#include +#include +#include +#include + +typedef int ddi_devid_t; + +#define DDI_DEV_T_NONE ((dev_t)-1) +#define DDI_DEV_T_ANY ((dev_t)-2) +#define DI_MAJOR_T_UNKNOWN ((major_t)0) + +#define DDI_PROP_DONTPASS 0x0001 +#define DDI_PROP_CANSLEEP 0x0002 + +#define DDI_SUCCESS 0 +#define DDI_FAILURE -1 + +#define ddi_prop_lookup_string(x1,x2,x3,x4,x5) (*x5 = NULL) +#define ddi_prop_free(x) (void)0 +#define ddi_root_node() (void)0 + +extern int ddi_strtoul(const char *, char **, int, unsigned long *); +extern int ddi_strtol(const char *, char **, int, long *); +extern int ddi_strtoull(const char *, char **, int, unsigned long long *); +extern int ddi_strtoll(const char *, char **, int, long long *); + +extern int ddi_copyin(const void *from, void *to, size_t len, int flags); +extern int ddi_copyout(const void *from, void *to, size_t len, int flags); + +#endif /* SPL_SUNDDI_H */ diff --git a/spl/include/sys/sunldi.h b/spl/include/sys/sunldi.h new file mode 100644 index 000000000000..b4ff7391a4a7 --- /dev/null +++ b/spl/include/sys/sunldi.h @@ -0,0 +1,56 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SUNLDI_H +#define _SPL_SUNLDI_H + +#include +#include +#include +#include +#include +#include + +#define SECTOR_SIZE 512 + +typedef struct modlinkage { + int ml_rev; + struct modlfs *ml_modlfs; + struct modldrv *ml_modldrv; + major_t ml_major; + unsigned ml_minors; + void *pad1; +} modlinkage_t; + +typedef struct ldi_ident { + char li_modname[MAXNAMELEN]; + dev_t li_dev; +} *ldi_ident_t; + +typedef struct block_device *ldi_handle_t; + +extern int ldi_ident_from_mod(struct modlinkage *modlp, ldi_ident_t *lip); +extern void ldi_ident_release(ldi_ident_t li); + +#endif /* SPL_SUNLDI_H */ diff --git a/spl/include/sys/sysdc.h b/spl/include/sys/sysdc.h new file mode 100644 index 000000000000..14ab48aa6d0b --- /dev/null +++ b/spl/include/sys/sysdc.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SYSDC_H +#define _SPL_SYSDC_H + +#endif /* SPL_SYSDC_H */ diff --git a/spl/include/sys/sysevent.h b/spl/include/sys/sysevent.h new file mode 100644 index 000000000000..5a7ca41cef6a --- /dev/null +++ b/spl/include/sys/sysevent.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SYSEVENT_H +#define _SPL_SYSEVENT_H + +#endif /* _SPL_SYSEVENT_H */ diff --git a/spl/include/sys/sysevent/Makefile.am b/spl/include/sys/sysevent/Makefile.am new file mode 100644 index 000000000000..63d9af310f26 --- /dev/null +++ b/spl/include/sys/sysevent/Makefile.am @@ -0,0 +1,13 @@ +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/sys/sysevent/eventdefs.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/sys/sysevent +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/sys/sysevent/Makefile.in b/spl/include/sys/sysevent/Makefile.in new file mode 100644 index 000000000000..74d8881fafbc --- /dev/null +++ b/spl/include/sys/sysevent/Makefile.in @@ -0,0 +1,622 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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exceeded. +.NOEXPORT: diff --git a/spl/include/sys/sysevent/eventdefs.h b/spl/include/sys/sysevent/eventdefs.h new file mode 100644 index 000000000000..592c78a64074 --- /dev/null +++ b/spl/include/sys/sysevent/eventdefs.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SYSEVENT_EVENTDEFS_H +#define _SPL_SYSEVENT_EVENTDEFS_H + +#endif /* _SPL_SYSEVENT_EVENTDEFS_H */ diff --git a/spl/include/sys/sysmacros.h b/spl/include/sys/sysmacros.h new file mode 100644 index 000000000000..4a96e075ff3f --- /dev/null +++ b/spl/include/sys/sysmacros.h @@ -0,0 +1,233 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SYSMACROS_H +#define _SPL_SYSMACROS_H + +#include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_SCHED_RT_HEADER +#include +#endif + +#ifndef _KERNEL +#define _KERNEL __KERNEL__ +#endif + +#define FALSE 0 +#define TRUE 1 + +#define INT8_MAX (127) +#define INT8_MIN (-128) +#define UINT8_MAX (255) +#define UINT8_MIN (0) + +#define INT16_MAX (32767) +#define INT16_MIN (-32768) +#define UINT16_MAX (65535) +#define UINT16_MIN (0) + +#define INT32_MAX INT_MAX +#define INT32_MIN INT_MIN +#define UINT32_MAX UINT_MAX +#define UINT32_MIN UINT_MIN + +#define INT64_MAX LLONG_MAX +#define INT64_MIN LLONG_MIN +#define UINT64_MAX ULLONG_MAX +#define UINT64_MIN ULLONG_MIN + +#define NBBY 8 +#define ENOTSUP EOPNOTSUPP + +#define MAXMSGLEN 256 +#define MAXNAMELEN 256 +#define MAXPATHLEN PATH_MAX +#define MAXOFFSET_T LLONG_MAX +#define MAXBSIZE 8192 +#define DEV_BSIZE 512 +#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ + +#define proc_pageout NULL +#define curproc current +#define max_ncpus num_possible_cpus() +#define boot_ncpus num_online_cpus() +#define CPU_SEQID smp_processor_id() +#define _NOTE(x) +#define is_system_labeled() 0 + +#ifndef RLIM64_INFINITY +#define RLIM64_INFINITY (~0ULL) +#endif + +/* 0..MAX_PRIO-1: Process priority + * 0..MAX_RT_PRIO-1: RT priority tasks + * MAX_RT_PRIO..MAX_PRIO-1: SCHED_NORMAL tasks + * + * Treat shim tasks as SCHED_NORMAL tasks + */ +#define minclsyspri (MAX_PRIO-1) +#define maxclsyspri (MAX_RT_PRIO) +#define defclsyspri (DEFAULT_PRIO) + +#ifndef NICE_TO_PRIO +#define NICE_TO_PRIO(nice) (MAX_RT_PRIO + (nice) + 20) +#endif +#ifndef PRIO_TO_NICE +#define PRIO_TO_NICE(prio) ((prio) - MAX_RT_PRIO - 20) +#endif + +/* + * Missing macros + */ +#ifndef PAGESIZE +#define PAGESIZE PAGE_SIZE +#endif + +/* from Solaris sys/byteorder.h */ +#define BSWAP_8(x) ((x) & 0xff) +#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8)) +#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16)) +#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32)) + +/* Map some simple functions. + */ +#define bzero(ptr,size) memset(ptr,0,size) +#define bcopy(src,dest,size) memmove(dest,src,size) +#define bcmp(src,dest,size) memcmp((src), (dest), (size_t)(size)) + +/* Dtrace probes do not exist in the linux kernel */ +#ifdef DTRACE_PROBE +#undef DTRACE_PROBE +#endif /* DTRACE_PROBE */ +#define DTRACE_PROBE(a) ((void)0) + +#ifdef DTRACE_PROBE1 +#undef DTRACE_PROBE1 +#endif /* DTRACE_PROBE1 */ +#define DTRACE_PROBE1(a, b, c) ((void)0) + +#ifdef DTRACE_PROBE2 +#undef DTRACE_PROBE2 +#endif /* DTRACE_PROBE2 */ +#define DTRACE_PROBE2(a, b, c, d, e) ((void)0) + +#ifdef DTRACE_PROBE3 +#undef DTRACE_PROBE3 +#endif /* DTRACE_PROBE3 */ +#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0) + +#ifdef DTRACE_PROBE4 +#undef DTRACE_PROBE4 +#endif /* DTRACE_PROBE4 */ +#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0) + +/* Missing globals */ +extern char spl_version[32]; +extern unsigned long spl_hostid; + +/* Missing misc functions */ +extern uint32_t zone_get_hostid(void *zone); +extern void spl_setup(void); +extern void spl_cleanup(void); + +#define highbit64(x) fls64(x) +#define makedevice(maj,min) makedev(maj,min) + +/* common macros */ +#ifndef MIN +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif +#ifndef MAX +#define MAX(a, b) ((a) < (b) ? (b) : (a)) +#endif +#ifndef ABS +#define ABS(a) ((a) < 0 ? -(a) : (a)) +#endif +#ifndef DIV_ROUND_UP +#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) +#endif +#ifndef roundup +#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) +#endif +#ifndef howmany +#define howmany(x, y) (((x) + ((y) - 1)) / (y)) +#endif + +/* + * Compatibility macros/typedefs needed for Solaris -> Linux port + */ +#define P2ALIGN(x, align) ((x) & -(align)) +#define P2CROSS(x, y, align) (((x) ^ (y)) > (align) - 1) +#define P2ROUNDUP(x, align) ((((x) - 1) | ((align) - 1)) + 1) +#define P2PHASE(x, align) ((x) & ((align) - 1)) +#define P2NPHASE(x, align) (-(x) & ((align) - 1)) +#define ISP2(x) (((x) & ((x) - 1)) == 0) +#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1))==0) +#define P2BOUNDARY(off, len, align) \ + (((off) ^ ((off) + (len) - 1)) > (align) - 1) + +/* + * Typed version of the P2* macros. These macros should be used to ensure + * that the result is correctly calculated based on the data type of (x), + * which is passed in as the last argument, regardless of the data + * type of the alignment. For example, if (x) is of type uint64_t, + * and we want to round it up to a page boundary using "PAGESIZE" as + * the alignment, we can do either + * + * P2ROUNDUP(x, (uint64_t)PAGESIZE) + * or + * P2ROUNDUP_TYPED(x, PAGESIZE, uint64_t) + */ +#define P2ALIGN_TYPED(x, align, type) \ + ((type)(x) & -(type)(align)) +#define P2PHASE_TYPED(x, align, type) \ + ((type)(x) & ((type)(align) - 1)) +#define P2NPHASE_TYPED(x, align, type) \ + (-(type)(x) & ((type)(align) - 1)) +#define P2ROUNDUP_TYPED(x, align, type) \ + ((((type)(x) - 1) | ((type)(align) - 1)) + 1) +#define P2END_TYPED(x, align, type) \ + (-(~(type)(x) & -(type)(align))) +#define P2PHASEUP_TYPED(x, align, phase, type) \ + ((type)(phase) - (((type)(phase) - (type)(x)) & -(type)(align))) +#define P2CROSS_TYPED(x, y, align, type) \ + (((type)(x) ^ (type)(y)) > (type)(align) - 1) +#define P2SAMEHIGHBIT_TYPED(x, y, type) \ + (((type)(x) ^ (type)(y)) < ((type)(x) & (type)(y))) + +#if defined(_KERNEL) && !defined(_KMEMUSER) && !defined(offsetof) + +/* avoid any possibility of clashing with version */ + +#define offsetof(s, m) ((size_t)(&(((s *)0)->m))) +#endif + +#endif /* _SPL_SYSMACROS_H */ diff --git a/spl/include/sys/systeminfo.h b/spl/include/sys/systeminfo.h new file mode 100644 index 000000000000..5c0cc4663d8d --- /dev/null +++ b/spl/include/sys/systeminfo.h @@ -0,0 +1,36 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SYSTEMINFO_H +#define _SPL_SYSTEMINFO_H + +#define HW_HOSTID_LEN 11 /* minimum buffer size needed */ + /* to hold a decimal or hex */ + /* hostid string */ + +/* Supplemental definitions for Linux. */ +#define HW_HOSTID_PATH "/etc/hostid" /* binary configuration file */ +#define HW_HOSTID_MASK 0xFFFFFFFF /* significant hostid bits */ + +#endif /* SPL_SYSTEMINFO_H */ diff --git a/spl/include/sys/systm.h b/spl/include/sys/systm.h new file mode 100644 index 000000000000..3336fb3578c6 --- /dev/null +++ b/spl/include/sys/systm.h @@ -0,0 +1,32 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SYSTM_H +#define _SPL_SYSTM_H + +#include + +typedef uintptr_t pc_t; + +#endif /* SPL_SYSTM_H */ diff --git a/spl/include/sys/t_lock.h b/spl/include/sys/t_lock.h new file mode 100644 index 000000000000..6c159f933d5d --- /dev/null +++ b/spl/include/sys/t_lock.h @@ -0,0 +1,33 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_T_LOCK_H +#define _SPL_T_LOCK_H + +#include +#include +#include +#include + +#endif /* SPL_T_LOCK_H */ diff --git a/spl/include/sys/taskq.h b/spl/include/sys/taskq.h new file mode 100644 index 000000000000..a43a86da6514 --- /dev/null +++ b/spl/include/sys/taskq.h @@ -0,0 +1,137 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_TASKQ_H +#define _SPL_TASKQ_H + +#include +#include +#include +#include +#include +#include +#include + +#define TASKQ_NAMELEN 31 + +#define TASKQ_PREPOPULATE 0x00000001 +#define TASKQ_CPR_SAFE 0x00000002 +#define TASKQ_DYNAMIC 0x00000004 +#define TASKQ_THREADS_CPU_PCT 0x00000008 +#define TASKQ_DC_BATCH 0x00000010 +#define TASKQ_ACTIVE 0x80000000 + +/* + * Flags for taskq_dispatch. TQ_SLEEP/TQ_NOSLEEP should be same as + * KM_SLEEP/KM_NOSLEEP. TQ_NOQUEUE/TQ_NOALLOC are set particularly + * large so as not to conflict with already used GFP_* defines. + */ +#define TQ_SLEEP 0x00000000 +#define TQ_NOSLEEP 0x00000001 +#define TQ_PUSHPAGE 0x00000002 +#define TQ_NOQUEUE 0x01000000 +#define TQ_NOALLOC 0x02000000 +#define TQ_NEW 0x04000000 +#define TQ_FRONT 0x08000000 + +typedef unsigned long taskqid_t; +typedef void (task_func_t)(void *); + +typedef struct taskq { + spinlock_t tq_lock; /* protects taskq_t */ + unsigned long tq_lock_flags; /* interrupt state */ + char *tq_name; /* taskq name */ + struct list_head tq_thread_list;/* list of all threads */ + struct list_head tq_active_list;/* list of active threads */ + int tq_nactive; /* # of active threads */ + int tq_nthreads; /* # of existing threads */ + int tq_nspawn; /* # of threads being spawned */ + int tq_maxthreads; /* # of threads maximum */ + int tq_pri; /* priority */ + int tq_minalloc; /* min task_t pool size */ + int tq_maxalloc; /* max task_t pool size */ + int tq_nalloc; /* cur task_t pool size */ + uint_t tq_flags; /* flags */ + taskqid_t tq_next_id; /* next pend/work id */ + taskqid_t tq_lowest_id; /* lowest pend/work id */ + struct list_head tq_free_list; /* free task_t's */ + struct list_head tq_pend_list; /* pending task_t's */ + struct list_head tq_prio_list; /* priority pending task_t's */ + struct list_head tq_delay_list; /* delayed task_t's */ + wait_queue_head_t tq_work_waitq; /* new work waitq */ + wait_queue_head_t tq_wait_waitq; /* wait waitq */ +} taskq_t; + +typedef struct taskq_ent { + spinlock_t tqent_lock; + wait_queue_head_t tqent_waitq; + struct timer_list tqent_timer; + struct list_head tqent_list; + taskqid_t tqent_id; + task_func_t *tqent_func; + void *tqent_arg; + taskq_t *tqent_taskq; + uintptr_t tqent_flags; +} taskq_ent_t; + +#define TQENT_FLAG_PREALLOC 0x1 +#define TQENT_FLAG_CANCEL 0x2 + +typedef struct taskq_thread { + struct list_head tqt_thread_list; + struct list_head tqt_active_list; + struct task_struct *tqt_thread; + taskq_t *tqt_tq; + taskqid_t tqt_id; + taskq_ent_t *tqt_task; + uintptr_t tqt_flags; +} taskq_thread_t; + +/* Global system-wide dynamic task queue available for all consumers */ +extern taskq_t *system_taskq; + +extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); +extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *, + uint_t, clock_t); +extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t, + taskq_ent_t *); +extern int taskq_empty_ent(taskq_ent_t *); +extern void taskq_init_ent(taskq_ent_t *); +extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); +extern void taskq_destroy(taskq_t *); +extern void taskq_wait_id(taskq_t *, taskqid_t); +extern void taskq_wait_outstanding(taskq_t *, taskqid_t); +extern void taskq_wait(taskq_t *); +extern int taskq_cancel_id(taskq_t *, taskqid_t); +extern int taskq_member(taskq_t *, void *); + +#define taskq_create_proc(name, nthreads, pri, min, max, proc, flags) \ + taskq_create(name, nthreads, pri, min, max, flags) +#define taskq_create_sysdc(name, nthreads, min, max, proc, dc, flags) \ + taskq_create(name, nthreads, maxclsyspri, min, max, flags) + +int spl_taskq_init(void); +void spl_taskq_fini(void); + +#endif /* _SPL_TASKQ_H */ diff --git a/spl/include/sys/thread.h b/spl/include/sys/thread.h new file mode 100644 index 000000000000..433a0761d165 --- /dev/null +++ b/spl/include/sys/thread.h @@ -0,0 +1,65 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_THREAD_H +#define _SPL_THREAD_H + +#include +#include +#include +#include +#include +#include +#include + +/* + * Thread interfaces + */ +#define TP_MAGIC 0x53535353 + +#define TS_SLEEP TASK_INTERRUPTIBLE +#define TS_RUN TASK_RUNNING +#define TS_ZOMB EXIT_ZOMBIE +#define TS_STOPPED TASK_STOPPED + +typedef void (*thread_func_t)(void *); + +#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ + __thread_create(stk, stksize, (thread_func_t)func, \ + #func, arg, len, pp, state, pri) +#define thread_exit() __thread_exit() +#define thread_join(t) VERIFY(0) +#define curthread current +#define getcomm() current->comm +#define getpid() current->pid + +extern kthread_t *__thread_create(caddr_t stk, size_t stksize, + thread_func_t func, const char *name, + void *args, size_t len, proc_t *pp, + int state, pri_t pri); +extern void __thread_exit(void); +extern struct task_struct *spl_kthread_create(int (*func)(void *), + void *data, const char namefmt[], ...); + +#endif /* _SPL_THREAD_H */ diff --git a/spl/include/sys/time.h b/spl/include/sys/time.h new file mode 100644 index 000000000000..650166145b1a --- /dev/null +++ b/spl/include/sys/time.h @@ -0,0 +1,76 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_TIME_H +#define _SPL_TIME_H + +#include +#include +#include +#include + +#if defined(CONFIG_64BIT) +#define TIME_MAX INT64_MAX +#define TIME_MIN INT64_MIN +#else +#define TIME_MAX INT32_MAX +#define TIME_MIN INT32_MIN +#endif + +#define SEC 1 +#define MILLISEC 1000 +#define MICROSEC 1000000 +#define NANOSEC 1000000000 + +#define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC)) +#define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC)) + +static const int hz = HZ; + +#define TIMESPEC_OVERFLOW(ts) \ + ((ts)->tv_sec < TIME_MIN || (ts)->tv_sec > TIME_MAX) + +static inline void +gethrestime(timestruc_t *now) +{ + *now = current_kernel_time(); +} + +static inline time_t +gethrestime_sec(void) +{ + struct timespec ts; + ts = current_kernel_time(); + return (ts.tv_sec); +} + +static inline hrtime_t +gethrtime(void) +{ + struct timespec now; + getrawmonotonic(&now); + return (((hrtime_t)now.tv_sec * NSEC_PER_SEC) + now.tv_nsec); +} + +#endif /* _SPL_TIME_H */ diff --git a/spl/include/sys/timer.h b/spl/include/sys/timer.h new file mode 100644 index 000000000000..33d577e719aa --- /dev/null +++ b/spl/include/sys/timer.h @@ -0,0 +1,60 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_TIMER_H +#define _SPL_TIMER_H + +#include +#include +#include + +#define lbolt ((clock_t)jiffies) +#define lbolt64 ((int64_t)get_jiffies_64()) + +#define ddi_get_lbolt() ((clock_t)jiffies) +#define ddi_get_lbolt64() ((int64_t)get_jiffies_64()) + +#define ddi_time_before(a, b) (typecheck(clock_t, a) && \ + typecheck(clock_t, b) && \ + ((a) - (b) < 0)) +#define ddi_time_after(a, b) ddi_time_before(b, a) +#define ddi_time_before_eq(a, b) (!ddi_time_after(a, b)) +#define ddi_time_after_eq(a, b) ddi_time_before_eq(b, a) + +#define ddi_time_before64(a, b) (typecheck(int64_t, a) && \ + typecheck(int64_t, b) && \ + ((a) - (b) < 0)) +#define ddi_time_after64(a, b) ddi_time_before64(b, a) +#define ddi_time_before_eq64(a, b) (!ddi_time_after64(a, b)) +#define ddi_time_after_eq64(a, b) ddi_time_before_eq64(b, a) + +#define delay(ticks) schedule_timeout_uninterruptible(ticks) + +#define SEC_TO_TICK(sec) ((sec) * HZ) +#define MSEC_TO_TICK(ms) msecs_to_jiffies(ms) +#define USEC_TO_TICK(us) usecs_to_jiffies(us) +#define NSEC_TO_TICK(ns) usecs_to_jiffies(ns / NSEC_PER_USEC) + +#endif /* _SPL_TIMER_H */ + diff --git a/spl/include/sys/tsd.h b/spl/include/sys/tsd.h new file mode 100644 index 000000000000..ebc55b09b92e --- /dev/null +++ b/spl/include/sys/tsd.h @@ -0,0 +1,45 @@ +/*****************************************************************************\ + * Copyright (C) 2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_TSD_H +#define _SPL_TSD_H + +#include + +#define TSD_HASH_TABLE_BITS_DEFAULT 9 +#define TSD_KEYS_MAX 32768 +#define DTOR_PID (PID_MAX_LIMIT+1) +#define PID_KEY (TSD_KEYS_MAX+1) + +typedef void (*dtor_func_t)(void *); + +extern int tsd_set(uint_t, void *); +extern void *tsd_get(uint_t); +extern void tsd_create(uint_t *, dtor_func_t); +extern void tsd_destroy(uint_t *); +extern void tsd_exit(void); + +int spl_tsd_init(void); +void spl_tsd_fini(void); + +#endif /* _SPL_TSD_H */ diff --git a/spl/include/sys/types.h b/spl/include/sys/types.h new file mode 100644 index 000000000000..d718ca0fad45 --- /dev/null +++ b/spl/include/sys/types.h @@ -0,0 +1,68 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_TYPES_H +#define _SPL_TYPES_H + +#include +#include + +#ifndef ULLONG_MAX +#define ULLONG_MAX (~0ULL) +#endif + +#ifndef LLONG_MAX +#define LLONG_MAX ((long long)(~0ULL>>1)) +#endif + +typedef enum { B_FALSE=0, B_TRUE=1 } boolean_t; +typedef unsigned long intptr_t; +typedef unsigned long ulong_t; +typedef unsigned int uint_t; +typedef unsigned char uchar_t; +typedef unsigned long long u_longlong_t; +typedef unsigned long long u_offset_t; +typedef unsigned long long rlim64_t; +typedef long long longlong_t; +typedef long long offset_t; +typedef struct task_struct kthread_t; +typedef struct task_struct proc_t; +typedef short pri_t; +typedef struct timespec timestruc_t; /* definition per SVr4 */ +typedef struct timespec timespec_t; +typedef longlong_t hrtime_t; +typedef unsigned short ushort_t; +typedef u_longlong_t len_t; +typedef longlong_t diskaddr_t; +typedef ushort_t o_mode_t; +typedef uint_t major_t; +typedef uint_t minor_t; +typedef ulong_t pgcnt_t; +typedef long spgcnt_t; +typedef short index_t; +typedef int id_t; + +extern proc_t p0; + +#endif /* _SPL_TYPES_H */ diff --git a/spl/include/sys/types32.h b/spl/include/sys/types32.h new file mode 100644 index 000000000000..6ee580f4ed43 --- /dev/null +++ b/spl/include/sys/types32.h @@ -0,0 +1,36 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_TYPES32_H +#define _SPL_TYPES32_H + +#include +#include + +typedef uint32_t caddr32_t; +typedef int32_t daddr32_t; +typedef int32_t time32_t; +typedef uint32_t size32_t; + +#endif /* _SPL_TYPES32_H */ diff --git a/spl/include/sys/u8_textprep.h b/spl/include/sys/u8_textprep.h new file mode 100644 index 000000000000..0a21c708c589 --- /dev/null +++ b/spl/include/sys/u8_textprep.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_U8_TEXTPREP_H +#define _SPL_U8_TEXTPREP_H + +#endif /* SPL_U8_TEXTPREP_H */ diff --git a/spl/include/sys/uio.h b/spl/include/sys/uio.h new file mode 100644 index 000000000000..404c03774aea --- /dev/null +++ b/spl/include/sys/uio.h @@ -0,0 +1,106 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Copyright (c) 2015 by Chunwei Chen. All rights reserved. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_UIO_H +#define _SPL_UIO_H + +#include +#include +#include +#include + +typedef struct iovec iovec_t; + +typedef enum uio_rw { + UIO_READ = 0, + UIO_WRITE = 1, +} uio_rw_t; + +typedef enum uio_seg { + UIO_USERSPACE = 0, + UIO_SYSSPACE = 1, + UIO_USERISPACE= 2, + UIO_BVEC = 3, +} uio_seg_t; + +typedef struct uio { + union { + const struct iovec *uio_iov; + const struct bio_vec *uio_bvec; + }; + int uio_iovcnt; + offset_t uio_loffset; + uio_seg_t uio_segflg; + uint16_t uio_fmode; + uint16_t uio_extflg; + offset_t uio_limit; + ssize_t uio_resid; + size_t uio_skip; +} uio_t; + +typedef struct aio_req { + uio_t *aio_uio; + void *aio_private; +} aio_req_t; + +typedef enum xuio_type { + UIOTYPE_ASYNCIO, + UIOTYPE_ZEROCOPY, +} xuio_type_t; + + +#define UIOA_IOV_MAX 16 + +typedef struct uioa_page_s { + int uioa_pfncnt; + void **uioa_ppp; + caddr_t uioa_base; + size_t uioa_len; +} uioa_page_t; + +typedef struct xuio { + uio_t xu_uio; + enum xuio_type xu_type; + union { + struct { + uint32_t xu_a_state; + ssize_t xu_a_mbytes; + uioa_page_t *xu_a_lcur; + void **xu_a_lppp; + void *xu_a_hwst[4]; + uioa_page_t xu_a_locked[UIOA_IOV_MAX]; + } xu_aio; + + struct { + int xu_zc_rw; + void *xu_zc_priv; + } xu_zc; + } xu_ext; +} xuio_t; + +#define XUIO_XUZC_PRIV(xuio) xuio->xu_ext.xu_zc.xu_zc_priv +#define XUIO_XUZC_RW(xuio) xuio->xu_ext.xu_zc.xu_zc_rw + +#endif /* SPL_UIO_H */ diff --git a/spl/include/sys/unistd.h b/spl/include/sys/unistd.h new file mode 100644 index 000000000000..e1d93c61ea18 --- /dev/null +++ b/spl/include/sys/unistd.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_UNISTD_H +#define _SPL_UNISTD_H + +#endif /* SPL_UNISTD_H */ diff --git a/spl/include/sys/user.h b/spl/include/sys/user.h new file mode 100644 index 000000000000..ebbe8f68eb83 --- /dev/null +++ b/spl/include/sys/user.h @@ -0,0 +1,42 @@ +/*****************************************************************************\ + * Copyright (C) 2015 Cluster Inc. + * Produced at ClusterHQ Inc (cf, DISCLAIMER). + * Written by Richard Yao . + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_USER_H +#define _SPL_USER_H + +/* + * We have uf_info_t for areleasef(). We implement areleasef() using a global + * linked list of all open file descriptors with the task structs referenced, + * so accessing the correct descriptor from areleasef() only requires knowing + * about the Linux task_struct. Since this is internal to our compatibility + * layer, we make it an opaque type. + * + * XXX: If the descriptor changes under us, we would get an incorrect + * reference. + */ + +struct uf_info; +typedef struct uf_info uf_info_t; + +#define P_FINFO(x) ((uf_info_t *)x) + +#endif /* SPL_USER_H */ diff --git a/spl/include/sys/va_list.h b/spl/include/sys/va_list.h new file mode 100644 index 000000000000..9fa173b5813c --- /dev/null +++ b/spl/include/sys/va_list.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_VA_LIST_H +#define _SPL_VA_LIST_H + +#endif /* SPL_VA_LIST_H */ diff --git a/spl/include/sys/varargs.h b/spl/include/sys/varargs.h new file mode 100644 index 000000000000..bf360ff4d1bf --- /dev/null +++ b/spl/include/sys/varargs.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_VARARGS_H +#define _SPL_VARARGS_H + +#define __va_list va_list + +#endif /* SPL_VARARGS_H */ diff --git a/spl/include/sys/vfs.h b/spl/include/sys/vfs.h new file mode 100644 index 000000000000..f01dc11cb09f --- /dev/null +++ b/spl/include/sys/vfs.h @@ -0,0 +1,51 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ZFS_H +#define _SPL_ZFS_H + +#include +#include +#include +#include +#include +#include +#include + +#define MAXFIDSZ 64 + +typedef struct spl_fid { + union { + long fid_pad; + struct { + ushort_t len; /* length of data in bytes */ + char data[MAXFIDSZ];/* data (variable len) */ + } _fid; + } un; +} fid_t; + +#define fid_len un._fid.len +#define fid_data un._fid.data + +#endif /* SPL_ZFS_H */ diff --git a/spl/include/sys/vfs_opreg.h b/spl/include/sys/vfs_opreg.h new file mode 100644 index 000000000000..d3540c5934eb --- /dev/null +++ b/spl/include/sys/vfs_opreg.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_OPREG_H +#define _SPL_OPREG_H + +#endif /* SPL_OPREG_H */ diff --git a/spl/include/sys/vmem.h b/spl/include/sys/vmem.h new file mode 100644 index 000000000000..a9b12eeb9619 --- /dev/null +++ b/spl/include/sys/vmem.h @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#ifndef _SPL_VMEM_H +#define _SPL_VMEM_H + +#include +#include +#include + +typedef struct vmem { } vmem_t; + +extern vmem_t *heap_arena; +extern vmem_t *zio_alloc_arena; +extern vmem_t *zio_arena; + +extern size_t vmem_size(vmem_t *vmp, int typemask); + +/* + * Memory allocation interfaces + */ +#define VMEM_ALLOC 0x01 +#define VMEM_FREE 0x02 + +#ifndef VMALLOC_TOTAL +#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) +#endif + +/* + * vmem_* is an interface to a low level arena-based memory allocator on + * Illumos that is used to allocate virtual address space. The kmem SLAB + * allocator allocates slabs from it. Then the generic allocation functions + * kmem_{alloc,zalloc,free}() are layered on top of SLAB allocators. + * + * On Linux, the primary means of doing allocations is via kmalloc(), which + * is similarly layered on top of something called the buddy allocator. The + * buddy allocator is not available to kernel modules, it uses physical + * memory addresses rather than virtual memory addresses and is prone to + * fragmentation. + * + * Linux sets aside a relatively small address space for in-kernel virtual + * memory from which allocations can be done using vmalloc(). It might seem + * like a good idea to use vmalloc() to implement something similar to + * Illumos' allocator. However, this has the following problems: + * + * 1. Page directory table allocations are hard coded to use GFP_KERNEL. + * Consequently, any KM_PUSHPAGE or KM_NOSLEEP allocations done using + * vmalloc() will not have proper semantics. + * + * 2. Address space exhaustion is a real issue on 32-bit platforms where + * only a few 100MB are available. The kernel will handle it by spinning + * when it runs out of address space. + * + * 3. All vmalloc() allocations and frees are protected by a single global + * lock which serializes all allocations. + * + * 4. Accessing /proc/meminfo and /proc/vmallocinfo will iterate the entire + * list. The former will sum the allocations while the latter will print + * them to user space in a way that user space can keep the lock held + * indefinitely. When the total number of mapped allocations is large + * (several 100,000) a large amount of time will be spent waiting on locks. + * + * 5. Linux has a wait_on_bit() locking primitive that assumes physical + * memory is used, it simply does not work on virtual memory. Certain + * Linux structures (e.g. the superblock) use them and might be embedded + * into a structure from Illumos. This makes using Linux virtual memory + * unsafe in certain situations. + * + * It follows that we cannot obtain identical semantics to those on Illumos. + * Consequently, we implement the kmem_{alloc,zalloc,free}() functions in + * such a way that they can be used as drop-in replacements for small vmem_* + * allocations (8MB in size or smaller) and map vmem_{alloc,zalloc,free}() + * to them. + */ + +#define vmem_alloc(sz, fl) spl_vmem_alloc((sz), (fl), __func__, __LINE__) +#define vmem_zalloc(sz, fl) spl_vmem_zalloc((sz), (fl), __func__, __LINE__) +#define vmem_free(ptr, sz) spl_vmem_free((ptr), (sz)) +#define vmem_qcache_reap(ptr) ((void)0) + +extern void *spl_vmem_alloc(size_t sz, int fl, const char *func, int line); +extern void *spl_vmem_zalloc(size_t sz, int fl, const char *func, int line); +extern void spl_vmem_free(const void *ptr, size_t sz); + +int spl_vmem_init(void); +void spl_vmem_fini(void); + +#endif /* _SPL_VMEM_H */ diff --git a/spl/include/sys/vmsystm.h b/spl/include/sys/vmsystm.h new file mode 100644 index 000000000000..9d334fe0a16e --- /dev/null +++ b/spl/include/sys/vmsystm.h @@ -0,0 +1,84 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_VMSYSTM_H +#define _SPL_VMSYSTM_H + +#include +#include +#include +#include +#include +#include +#include + +#define membar_producer() smp_wmb() +#define physmem totalram_pages +#define freemem (nr_free_pages() + \ + global_page_state(NR_INACTIVE_FILE) + \ + global_page_state(NR_INACTIVE_ANON) + \ + global_page_state(NR_SLAB_RECLAIMABLE)) + +#define xcopyin(from, to, size) copy_from_user(to, from, size) +#define xcopyout(from, to, size) copy_to_user(to, from, size) + +static __inline__ int +copyin(const void *from, void *to, size_t len) +{ + /* On error copyin routine returns -1 */ + if (xcopyin(from, to, len)) + return -1; + + return 0; +} + +static __inline__ int +copyout(const void *from, void *to, size_t len) +{ + /* On error copyout routine returns -1 */ + if (xcopyout(from, to, len)) + return -1; + + return 0; +} + +static __inline__ int +copyinstr(const void *from, void *to, size_t len, size_t *done) +{ + size_t rc; + + if (len == 0) + return -ENAMETOOLONG; + + /* XXX: Should return ENAMETOOLONG if 'strlen(from) > len' */ + + memset(to, 0, len); + rc = copyin(from, to, len - 1); + if (done != NULL) + *done = rc; + + return 0; +} + +#endif /* SPL_VMSYSTM_H */ diff --git a/spl/include/sys/vnode.h b/spl/include/sys/vnode.h new file mode 100644 index 000000000000..0b857d384ba5 --- /dev/null +++ b/spl/include/sys/vnode.h @@ -0,0 +1,207 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_VNODE_H +#define _SPL_VNODE_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Prior to linux-2.6.33 only O_DSYNC semantics were implemented and + * they used the O_SYNC flag. As of linux-2.6.33 the this behavior + * was properly split in to O_SYNC and O_DSYNC respectively. + */ +#ifndef O_DSYNC +#define O_DSYNC O_SYNC +#endif + +#define FREAD 1 +#define FWRITE 2 +#define FCREAT O_CREAT +#define FTRUNC O_TRUNC +#define FOFFMAX O_LARGEFILE +#define FSYNC O_SYNC +#define FDSYNC O_DSYNC +#define FRSYNC O_SYNC +#define FEXCL O_EXCL +#define FDIRECT O_DIRECT +#define FAPPEND O_APPEND + +#define FNODSYNC 0x10000 /* fsync pseudo flag */ +#define FNOFOLLOW 0x20000 /* don't follow symlinks */ + +#define F_FREESP 11 /* Free file space */ + + +/* + * The vnode AT_ flags are mapped to the Linux ATTR_* flags. + * This allows them to be used safely with an iattr structure. + * The AT_XVATTR flag has been added and mapped to the upper + * bit range to avoid conflicting with the standard Linux set. + */ +#undef AT_UID +#undef AT_GID + +#define AT_MODE ATTR_MODE +#define AT_UID ATTR_UID +#define AT_GID ATTR_GID +#define AT_SIZE ATTR_SIZE +#define AT_ATIME ATTR_ATIME +#define AT_MTIME ATTR_MTIME +#define AT_CTIME ATTR_CTIME + +#define ATTR_XVATTR (1 << 31) +#define AT_XVATTR ATTR_XVATTR + +#define ATTR_IATTR_MASK (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_SIZE | \ + ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_FILE) + +#define CRCREAT 0x01 +#define RMFILE 0x02 + +#define B_INVAL 0x01 +#define B_TRUNC 0x02 + +#define LOOKUP_DIR 0x01 +#define LOOKUP_XATTR 0x02 +#define CREATE_XATTR_DIR 0x04 +#define ATTR_NOACLCHECK 0x20 + +typedef enum vtype { + VNON = 0, + VREG = 1, + VDIR = 2, + VBLK = 3, + VCHR = 4, + VLNK = 5, + VFIFO = 6, + VDOOR = 7, + VPROC = 8, + VSOCK = 9, + VPORT = 10, + VBAD = 11 +} vtype_t; + +typedef struct vattr { + enum vtype va_type; /* vnode type */ + u_int va_mask; /* attribute bit-mask */ + u_short va_mode; /* acc mode */ + uid_t va_uid; /* owner uid */ + gid_t va_gid; /* owner gid */ + long va_fsid; /* fs id */ + long va_nodeid; /* node # */ + uint32_t va_nlink; /* # links */ + uint64_t va_size; /* file size */ + struct timespec va_atime; /* last acc */ + struct timespec va_mtime; /* last mod */ + struct timespec va_ctime; /* last chg */ + dev_t va_rdev; /* dev */ + uint64_t va_nblocks; /* space used */ + uint32_t va_blksize; /* block size */ + uint32_t va_seq; /* sequence */ + struct dentry *va_dentry; /* dentry to wire */ +} vattr_t; + +typedef struct vnode { + struct file *v_file; + kmutex_t v_lock; /* protects vnode fields */ + uint_t v_flag; /* vnode flags (see below) */ + uint_t v_count; /* reference count */ + void *v_data; /* private data for fs */ + struct vfs *v_vfsp; /* ptr to containing VFS */ + struct stdata *v_stream; /* associated stream */ + enum vtype v_type; /* vnode type */ + dev_t v_rdev; /* device (VCHR, VBLK) */ + gfp_t v_gfp_mask; /* original mapping gfp mask */ +} vnode_t; + +typedef struct vn_file { + int f_fd; /* linux fd for lookup */ + struct task_struct *f_task; /* linux task this fd belongs to */ + struct file *f_file; /* linux file struct */ + atomic_t f_ref; /* ref count */ + kmutex_t f_lock; /* struct lock */ + loff_t f_offset; /* offset */ + vnode_t *f_vnode; /* vnode */ + struct list_head f_list; /* list referenced file_t's */ +} file_t; + +extern vnode_t *vn_alloc(int flag); +void vn_free(vnode_t *vp); +extern vtype_t vn_mode_to_vtype(mode_t); +extern mode_t vn_vtype_to_mode(vtype_t); +extern int vn_open(const char *path, uio_seg_t seg, int flags, int mode, + vnode_t **vpp, int x1, void *x2); +extern int vn_openat(const char *path, uio_seg_t seg, int flags, int mode, + vnode_t **vpp, int x1, void *x2, vnode_t *vp, int fd); +extern int vn_rdwr(uio_rw_t uio, vnode_t *vp, void *addr, ssize_t len, + offset_t off, uio_seg_t seg, int x1, rlim64_t x2, + void *x3, ssize_t *residp); +extern int vn_close(vnode_t *vp, int flags, int x1, int x2, void *x3, void *x4); +extern int vn_seek(vnode_t *vp, offset_t o, offset_t *op, void *ct); + +extern int vn_remove(const char *path, uio_seg_t seg, int flags); +extern int vn_rename(const char *path1, const char *path2, int x1); +extern int vn_getattr(vnode_t *vp, vattr_t *vap, int flags, void *x3, void *x4); +extern int vn_fsync(vnode_t *vp, int flags, void *x3, void *x4); +extern int vn_space(vnode_t *vp, int cmd, struct flock *bfp, int flag, + offset_t offset, void *x6, void *x7); +extern file_t *vn_getf(int fd); +extern void vn_releasef(int fd); +extern void vn_areleasef(int fd, uf_info_t *fip); +extern int vn_set_pwd(const char *filename); + +int spl_vn_init(void); +void spl_vn_fini(void); + +#define VOP_CLOSE vn_close +#define VOP_SEEK vn_seek +#define VOP_GETATTR vn_getattr +#define VOP_FSYNC vn_fsync +#define VOP_SPACE vn_space +#define VOP_PUTPAGE(vp, o, s, f, x1, x2) ((void)0) +#define vn_is_readonly(vp) 0 +#define getf vn_getf +#define releasef vn_releasef +#define areleasef vn_areleasef + +extern vnode_t *rootdir; + +#endif /* SPL_VNODE_H */ diff --git a/spl/include/sys/zmod.h b/spl/include/sys/zmod.h new file mode 100644 index 000000000000..15b0bc8e7ca0 --- /dev/null +++ b/spl/include/sys/zmod.h @@ -0,0 +1,69 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * z_compress_level/z_uncompress are nearly identical copies of the + * compress2/uncompress functions provided by the official zlib package + * available at http://zlib.net/. The only changes made we to slightly + * adapt the functions called to match the linux kernel implementation + * of zlib. The full zlib license follows: + * + * zlib.h -- interface of the 'zlib' general purpose compression library + * version 1.2.5, April 19th, 2010 + * + * Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + * + * Jean-loup Gailly + * Mark Adler +\*****************************************************************************/ + +#ifndef _SPL_ZMOD_H +#define _SPL_ZMOD_H + +#include +#include + +extern int z_compress_level(void *dest, size_t *destLen, const void *source, + size_t sourceLen, int level); +extern int z_uncompress(void *dest, size_t *destLen, const void *source, + size_t sourceLen); + +int spl_zlib_init(void); +void spl_zlib_fini(void); + +#endif /* SPL_ZMOD_H */ diff --git a/spl/include/sys/zone.h b/spl/include/sys/zone.h new file mode 100644 index 000000000000..5a3c0869f56b --- /dev/null +++ b/spl/include/sys/zone.h @@ -0,0 +1,36 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_ZONE_H +#define _SPL_ZONE_H + +#include + +#define GLOBAL_ZONEID 0 + +#define zone_dataset_visible(x, y) (1) +#define crgetzoneid(x) (GLOBAL_ZONEID) +#define INGLOBALZONE(z) (1) + +#endif /* SPL_ZONE_H */ diff --git a/spl/include/unistd.h b/spl/include/unistd.h new file mode 100644 index 000000000000..e1d93c61ea18 --- /dev/null +++ b/spl/include/unistd.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_UNISTD_H +#define _SPL_UNISTD_H + +#endif /* SPL_UNISTD_H */ diff --git a/spl/include/util/Makefile.am b/spl/include/util/Makefile.am new file mode 100644 index 000000000000..e2bf09fb10d3 --- /dev/null +++ b/spl/include/util/Makefile.am @@ -0,0 +1,14 @@ +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/util/qsort.h \ + $(top_srcdir)/include/util/sscanf.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/util +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/util/Makefile.in b/spl/include/util/Makefile.in new file mode 100644 index 000000000000..b01e799b33ae --- /dev/null +++ b/spl/include/util/Makefile.in @@ -0,0 +1,623 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/include/util/qsort.h b/spl/include/util/qsort.h new file mode 100644 index 000000000000..e55c4f8cc1cd --- /dev/null +++ b/spl/include/util/qsort.h @@ -0,0 +1,32 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_QSORT_H +#define _SPL_QSORT_H + +#include + +#define qsort(base, num, size, cmp) sort(base, num, size, cmp, NULL) + +#endif /* SPL_QSORT_H */ diff --git a/spl/include/util/sscanf.h b/spl/include/util/sscanf.h new file mode 100644 index 000000000000..23f0b5db0245 --- /dev/null +++ b/spl/include/util/sscanf.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_UTIL_SSCANF_H +#define _SPL_UTIL_SSCANF_H + +#endif /* SPL_UTIL_SSCAN_H */ diff --git a/spl/include/vm/Makefile.am b/spl/include/vm/Makefile.am new file mode 100644 index 000000000000..7faab0aab7f9 --- /dev/null +++ b/spl/include/vm/Makefile.am @@ -0,0 +1,15 @@ +COMMON_H = + +KERNEL_H = \ + $(top_srcdir)/include/vm/anon.h \ + $(top_srcdir)/include/vm/pvn.h \ + $(top_srcdir)/include/vm/seg_kmem.h + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_KERNEL +kerneldir = @prefix@/src/spl-$(VERSION)/include/vm +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/spl/include/vm/Makefile.in b/spl/include/vm/Makefile.in new file mode 100644 index 000000000000..b0529392b460 --- /dev/null +++ b/spl/include/vm/Makefile.in @@ -0,0 +1,625 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/include/vm/anon.h b/spl/include/vm/anon.h new file mode 100644 index 000000000000..9c9c239591e9 --- /dev/null +++ b/spl/include/vm/anon.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_VM_ANON_H +#define _SPL_VM_ANON_H + +#endif /* SPL_VM_ANON_H */ diff --git a/spl/include/vm/pvn.h b/spl/include/vm/pvn.h new file mode 100644 index 000000000000..f3b308137e84 --- /dev/null +++ b/spl/include/vm/pvn.h @@ -0,0 +1,28 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_VM_PVN_H +#define _SPL_VM_PVN_H + +#endif /* SPL_VM_PVN_H */ diff --git a/spl/include/vm/seg_kmem.h b/spl/include/vm/seg_kmem.h new file mode 100644 index 000000000000..17df7b9617c4 --- /dev/null +++ b/spl/include/vm/seg_kmem.h @@ -0,0 +1,30 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPL_SEG_KMEM_H +#define _SPL_SEG_KMEM_H + +#include + +#endif /* SPL_SEG_KMEM_H */ diff --git a/spl/lib/Makefile.am b/spl/lib/Makefile.am new file mode 100644 index 000000000000..0f2826bb27b2 --- /dev/null +++ b/spl/lib/Makefile.am @@ -0,0 +1,6 @@ +include $(top_srcdir)/config/Rules.am + +noinst_LTLIBRARIES = libcommon.la +libcommon_la_SOURCES = list.c + +EXTRA_DIST = list.h diff --git a/spl/lib/Makefile.in b/spl/lib/Makefile.in new file mode 100644 index 000000000000..4bd76fcbe3c8 --- /dev/null +++ b/spl/lib/Makefile.in @@ -0,0 +1,655 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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INSTALL_STRIP_FLAG=-s \ + "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \ + fi +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \ + mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + 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install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/lib/list.c b/spl/lib/list.c new file mode 100644 index 000000000000..55367e449485 --- /dev/null +++ b/spl/lib/list.c @@ -0,0 +1,827 @@ +/***************************************************************************** + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2001-2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Chris Dunlap . + * UCRL-CODE-235197 + * + * This file is from LSD-Tools, the LLNL Software Development Toolbox. + * + * LSD-Tools is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * LSD-Tools is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with LSD-Tools. If not, see . + ***************************************************************************** + * Refer to "list.h" for documentation on public functions. + *****************************************************************************/ + +#ifdef WITH_PTHREADS +# include +#endif /* WITH_PTHREADS */ + +#include +#include +#include +#include +#include "list.h" + + +/********************* + * lsd_fatal_error * + *********************/ + +#ifdef WITH_LSD_FATAL_ERROR_FUNC +# undef lsd_fatal_error + extern void lsd_fatal_error(char *file, int line, char *mesg); +#else /* !WITH_LSD_FATAL_ERROR_FUNC */ +# ifndef lsd_fatal_error +# include +# include +# include +# define lsd_fatal_error(file, line, mesg) \ + do { \ + fprintf(stderr, "ERROR: [%s:%d] %s: %s\n", \ + file, line, mesg, strerror(errno)); \ + } while (0) +# endif /* !lsd_fatal_error */ +#endif /* !WITH_LSD_FATAL_ERROR_FUNC */ + + +/********************* + * lsd_nomem_error * + *********************/ + +#ifdef WITH_LSD_NOMEM_ERROR_FUNC +# undef lsd_nomem_error + extern void * lsd_nomem_error(char *file, int line, char *mesg); +#else /* !WITH_LSD_NOMEM_ERROR_FUNC */ +# ifndef lsd_nomem_error +# define lsd_nomem_error(file, line, mesg) (NULL) +# endif /* !lsd_nomem_error */ +#endif /* !WITH_LSD_NOMEM_ERROR_FUNC */ + + +/*************** + * Constants * + ***************/ + +#define LIST_ALLOC 32 +#define LIST_MAGIC 0xDEADBEEF + + +/**************** + * Data Types * + ****************/ + +struct listNode { + void *data; /* node's data */ + struct listNode *next; /* next node in list */ +}; + +struct listIterator { + struct list *list; /* the list being iterated */ + struct listNode *pos; /* the next node to be iterated */ + struct listNode **prev; /* addr of 'next' ptr to prv It node */ + struct listIterator *iNext; /* iterator chain for list_destroy() */ +#ifndef NDEBUG + unsigned int magic; /* sentinel for asserting validity */ +#endif /* !NDEBUG */ +}; + +struct list { + struct listNode *head; /* head of the list */ + struct listNode **tail; /* addr of last node's 'next' ptr */ + struct listIterator *iNext; /* iterator chain for list_destroy() */ + ListDelF fDel; /* function to delete node data */ + int count; /* number of nodes in list */ +#ifdef WITH_PTHREADS + pthread_mutex_t mutex; /* mutex to protect access to list */ +#endif /* WITH_PTHREADS */ +#ifndef NDEBUG + unsigned int magic; /* sentinel for asserting validity */ +#endif /* !NDEBUG */ +}; + +typedef struct listNode * ListNode; + + +/**************** + * Prototypes * + ****************/ + +static void * list_node_create (List l, ListNode *pp, void *x); +static void * list_node_destroy (List l, ListNode *pp); +static List list_alloc (void); +static void list_free (List l); +static ListNode list_node_alloc (void); +static void list_node_free (ListNode p); +static ListIterator list_iterator_alloc (void); +static void list_iterator_free (ListIterator i); +static void * list_alloc_aux (int size, void *pfreelist); +static void list_free_aux (void *x, void *pfreelist); + + +/*************** + * Variables * + ***************/ + +static List list_free_lists = NULL; +static ListNode list_free_nodes = NULL; +static ListIterator list_free_iterators = NULL; + +#ifdef WITH_PTHREADS +static pthread_mutex_t list_free_lock = PTHREAD_MUTEX_INITIALIZER; +#endif /* WITH_PTHREADS */ + + +/************ + * Macros * + ************/ + +#ifdef WITH_PTHREADS + +# define list_mutex_init(mutex) \ + do { \ + int e = pthread_mutex_init(mutex, NULL); \ + if (e != 0) { \ + errno = e; \ + lsd_fatal_error(__FILE__, __LINE__, "list mutex init"); \ + abort(); \ + } \ + } while (0) + +# define list_mutex_lock(mutex) \ + do { \ + int e = pthread_mutex_lock(mutex); \ + if (e != 0) { \ + errno = e; \ + lsd_fatal_error(__FILE__, __LINE__, "list mutex lock"); \ + abort(); \ + } \ + } while (0) + +# define list_mutex_unlock(mutex) \ + do { \ + int e = pthread_mutex_unlock(mutex); \ + if (e != 0) { \ + errno = e; \ + lsd_fatal_error(__FILE__, __LINE__, "list mutex unlock"); \ + abort(); \ + } \ + } while (0) + +# define list_mutex_destroy(mutex) \ + do { \ + int e = pthread_mutex_destroy(mutex); \ + if (e != 0) { \ + errno = e; \ + lsd_fatal_error(__FILE__, __LINE__, "list mutex destroy"); \ + abort(); \ + } \ + } while (0) + +# ifndef NDEBUG + static int list_mutex_is_locked (pthread_mutex_t *mutex); +# endif /* !NDEBUG */ + +#else /* !WITH_PTHREADS */ + +# define list_mutex_init(mutex) +# define list_mutex_lock(mutex) +# define list_mutex_unlock(mutex) +# define list_mutex_destroy(mutex) +# define list_mutex_is_locked(mutex) (1) + +#endif /* !WITH_PTHREADS */ + + +/*************** + * Functions * + ***************/ + +List +list_create (ListDelF f) +{ + List l; + + if (!(l = list_alloc())) + return(lsd_nomem_error(__FILE__, __LINE__, "list create")); + l->head = NULL; + l->tail = &l->head; + l->iNext = NULL; + l->fDel = f; + l->count = 0; + list_mutex_init(&l->mutex); + assert(l->magic = LIST_MAGIC); /* set magic via assert abuse */ + return(l); +} + + +void +list_destroy (List l) +{ + ListIterator i, iTmp; + ListNode p, pTmp; + + assert(l != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + i = l->iNext; + while (i) { + assert(i->magic == LIST_MAGIC); + iTmp = i->iNext; + assert(i->magic = ~LIST_MAGIC); /* clear magic via assert abuse */ + list_iterator_free(i); + i = iTmp; + } + p = l->head; + while (p) { + pTmp = p->next; + if (p->data && l->fDel) + l->fDel(p->data); + list_node_free(p); + p = pTmp; + } + assert(l->magic = ~LIST_MAGIC); /* clear magic via assert abuse */ + list_mutex_unlock(&l->mutex); + list_mutex_destroy(&l->mutex); + list_free(l); + return; +} + + +int +list_is_empty (List l) +{ + int n; + + assert(l != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + n = l->count; + list_mutex_unlock(&l->mutex); + return(n == 0); +} + + +int +list_count (List l) +{ + int n; + + assert(l != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + n = l->count; + list_mutex_unlock(&l->mutex); + return(n); +} + + +void * +list_append (List l, void *x) +{ + void *v; + + assert(l != NULL); + assert(x != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + v = list_node_create(l, l->tail, x); + list_mutex_unlock(&l->mutex); + return(v); +} + + +void * +list_prepend (List l, void *x) +{ + void *v; + + assert(l != NULL); + assert(x != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + v = list_node_create(l, &l->head, x); + list_mutex_unlock(&l->mutex); + return(v); +} + + +void * +list_find_first (List l, ListFindF f, void *key) +{ + ListNode p; + void *v = NULL; + + assert(l != NULL); + assert(f != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + for (p=l->head; p; p=p->next) { + if (f(p->data, key)) { + v = p->data; + break; + } + } + list_mutex_unlock(&l->mutex); + return(v); +} + + +int +list_delete_all (List l, ListFindF f, void *key) +{ + ListNode *pp; + void *v; + int n = 0; + + assert(l != NULL); + assert(f != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + pp = &l->head; + while (*pp) { + if (f((*pp)->data, key)) { + if ((v = list_node_destroy(l, pp))) { + if (l->fDel) + l->fDel(v); + n++; + } + } + else { + pp = &(*pp)->next; + } + } + list_mutex_unlock(&l->mutex); + return(n); +} + + +int +list_for_each (List l, ListForF f, void *arg) +{ + ListNode p; + int n = 0; + + assert(l != NULL); + assert(f != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + for (p=l->head; p; p=p->next) { + n++; + if (f(p->data, arg) < 0) { + n = -n; + break; + } + } + list_mutex_unlock(&l->mutex); + return(n); +} + + +void +list_sort (List l, ListCmpF f) +{ +/* Note: Time complexity O(n^2). + */ + ListNode *pp, *ppPrev, *ppPos, pTmp; + ListIterator i; + + assert(l != NULL); + assert(f != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + if (l->count > 1) { + ppPrev = &l->head; + pp = &(*ppPrev)->next; + while (*pp) { + if (f((*pp)->data, (*ppPrev)->data) < 0) { + ppPos = &l->head; + while (f((*pp)->data, (*ppPos)->data) >= 0) + ppPos = &(*ppPos)->next; + pTmp = (*pp)->next; + (*pp)->next = *ppPos; + *ppPos = *pp; + *pp = pTmp; + if (ppPrev == ppPos) + ppPrev = &(*ppPrev)->next; + } + else { + ppPrev = pp; + pp = &(*pp)->next; + } + } + l->tail = pp; + + for (i=l->iNext; i; i=i->iNext) { + assert(i->magic == LIST_MAGIC); + i->pos = i->list->head; + i->prev = &i->list->head; + } + } + list_mutex_unlock(&l->mutex); + return; +} + + +void * +list_push (List l, void *x) +{ + void *v; + + assert(l != NULL); + assert(x != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + v = list_node_create(l, &l->head, x); + list_mutex_unlock(&l->mutex); + return(v); +} + + +void * +list_pop (List l) +{ + void *v; + + assert(l != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + v = list_node_destroy(l, &l->head); + list_mutex_unlock(&l->mutex); + return(v); +} + + +void * +list_peek (List l) +{ + void *v; + + assert(l != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + v = (l->head) ? l->head->data : NULL; + list_mutex_unlock(&l->mutex); + return(v); +} + + +void * +list_enqueue (List l, void *x) +{ + void *v; + + assert(l != NULL); + assert(x != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + v = list_node_create(l, l->tail, x); + list_mutex_unlock(&l->mutex); + return(v); +} + + +void * +list_dequeue (List l) +{ + void *v; + + assert(l != NULL); + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + v = list_node_destroy(l, &l->head); + list_mutex_unlock(&l->mutex); + return(v); +} + + +ListIterator +list_iterator_create (List l) +{ + ListIterator i; + + assert(l != NULL); + if (!(i = list_iterator_alloc())) + return(lsd_nomem_error(__FILE__, __LINE__, "list iterator create")); + i->list = l; + list_mutex_lock(&l->mutex); + assert(l->magic == LIST_MAGIC); + i->pos = l->head; + i->prev = &l->head; + i->iNext = l->iNext; + l->iNext = i; + assert(i->magic = LIST_MAGIC); /* set magic via assert abuse */ + list_mutex_unlock(&l->mutex); + return(i); +} + + +void +list_iterator_reset (ListIterator i) +{ + assert(i != NULL); + assert(i->magic == LIST_MAGIC); + list_mutex_lock(&i->list->mutex); + assert(i->list->magic == LIST_MAGIC); + i->pos = i->list->head; + i->prev = &i->list->head; + list_mutex_unlock(&i->list->mutex); + return; +} + + +void +list_iterator_destroy (ListIterator i) +{ + ListIterator *pi; + + assert(i != NULL); + assert(i->magic == LIST_MAGIC); + list_mutex_lock(&i->list->mutex); + assert(i->list->magic == LIST_MAGIC); + for (pi=&i->list->iNext; *pi; pi=&(*pi)->iNext) { + assert((*pi)->magic == LIST_MAGIC); + if (*pi == i) { + *pi = (*pi)->iNext; + break; + } + } + list_mutex_unlock(&i->list->mutex); + assert(i->magic = ~LIST_MAGIC); /* clear magic via assert abuse */ + list_iterator_free(i); + return; +} + + +void * +list_next (ListIterator i) +{ + ListNode p; + + assert(i != NULL); + assert(i->magic == LIST_MAGIC); + list_mutex_lock(&i->list->mutex); + assert(i->list->magic == LIST_MAGIC); + if ((p = i->pos)) + i->pos = p->next; + if (*i->prev != p) + i->prev = &(*i->prev)->next; + list_mutex_unlock(&i->list->mutex); + return(p ? p->data : NULL); +} + + +void * +list_insert (ListIterator i, void *x) +{ + void *v; + + assert(i != NULL); + assert(x != NULL); + assert(i->magic == LIST_MAGIC); + list_mutex_lock(&i->list->mutex); + assert(i->list->magic == LIST_MAGIC); + v = list_node_create(i->list, i->prev, x); + list_mutex_unlock(&i->list->mutex); + return(v); +} + + +void * +list_find (ListIterator i, ListFindF f, void *key) +{ + void *v; + + assert(i != NULL); + assert(f != NULL); + assert(i->magic == LIST_MAGIC); + while ((v=list_next(i)) && !f(v,key)) {;} + return(v); +} + + +void * +list_remove (ListIterator i) +{ + void *v = NULL; + + assert(i != NULL); + assert(i->magic == LIST_MAGIC); + list_mutex_lock(&i->list->mutex); + assert(i->list->magic == LIST_MAGIC); + if (*i->prev != i->pos) + v = list_node_destroy(i->list, i->prev); + list_mutex_unlock(&i->list->mutex); + return(v); +} + + +int +list_delete (ListIterator i) +{ + void *v; + + assert(i != NULL); + assert(i->magic == LIST_MAGIC); + if ((v = list_remove(i))) { + if (i->list->fDel) + i->list->fDel(v); + return(1); + } + return(0); +} + + +static void * +list_node_create (List l, ListNode *pp, void *x) +{ +/* Inserts data pointed to by [x] into list [l] after [pp], + * the address of the previous node's "next" ptr. + * Returns a ptr to data [x], or NULL if insertion fails. + * This routine assumes the list is already locked upon entry. + */ + ListNode p; + ListIterator i; + + assert(l != NULL); + assert(l->magic == LIST_MAGIC); + assert(list_mutex_is_locked(&l->mutex)); + assert(pp != NULL); + assert(x != NULL); + if (!(p = list_node_alloc())) + return(lsd_nomem_error(__FILE__, __LINE__, "list node create")); + p->data = x; + if (!(p->next = *pp)) + l->tail = &p->next; + *pp = p; + l->count++; + for (i=l->iNext; i; i=i->iNext) { + assert(i->magic == LIST_MAGIC); + if (i->prev == pp) + i->prev = &p->next; + else if (i->pos == p->next) + i->pos = p; + assert((i->pos == *i->prev) || (i->pos == (*i->prev)->next)); + } + return(x); +} + + +static void * +list_node_destroy (List l, ListNode *pp) +{ +/* Removes the node pointed to by [*pp] from from list [l], + * where [pp] is the address of the previous node's "next" ptr. + * Returns the data ptr associated with list item being removed, + * or NULL if [*pp] points to the NULL element. + * This routine assumes the list is already locked upon entry. + */ + void *v; + ListNode p; + ListIterator i; + + assert(l != NULL); + assert(l->magic == LIST_MAGIC); + assert(list_mutex_is_locked(&l->mutex)); + assert(pp != NULL); + if (!(p = *pp)) + return(NULL); + v = p->data; + if (!(*pp = p->next)) + l->tail = pp; + l->count--; + for (i=l->iNext; i; i=i->iNext) { + assert(i->magic == LIST_MAGIC); + if (i->pos == p) + i->pos = p->next, i->prev = pp; + else if (i->prev == &p->next) + i->prev = pp; + assert((i->pos == *i->prev) || (i->pos == (*i->prev)->next)); + } + list_node_free(p); + return(v); +} + + +static List +list_alloc (void) +{ + return(list_alloc_aux(sizeof(struct list), &list_free_lists)); +} + + +static void +list_free (List l) +{ + list_free_aux(l, &list_free_lists); + return; +} + + +static ListNode +list_node_alloc (void) +{ + return(list_alloc_aux(sizeof(struct listNode), &list_free_nodes)); +} + + +static void +list_node_free (ListNode p) +{ + list_free_aux(p, &list_free_nodes); + return; +} + + +static ListIterator +list_iterator_alloc (void) +{ + return(list_alloc_aux(sizeof(struct listIterator), &list_free_iterators)); +} + + +static void +list_iterator_free (ListIterator i) +{ + list_free_aux(i, &list_free_iterators); + return; +} + + +static void * +list_alloc_aux (int size, void *pfreelist) +{ +/* Allocates an object of [size] bytes from the freelist [*pfreelist]. + * Memory is added to the freelist in chunks of size LIST_ALLOC. + * Returns a ptr to the object, or NULL if the memory request fails. + */ + void **px; + void **pfree = pfreelist; + void **plast; + + assert(sizeof(char) == 1); + assert(size >= (int)sizeof(void *)); + assert(pfreelist != NULL); + assert(LIST_ALLOC > 0); + list_mutex_lock(&list_free_lock); + if (!*pfree) { + if ((*pfree = malloc(LIST_ALLOC * size))) { + px = *pfree; + plast = (void **) ((char *) *pfree + ((LIST_ALLOC - 1) * size)); + while (px < plast) + *px = (char *) px + size, px = *px; + *plast = NULL; + } + } + if ((px = *pfree)) + *pfree = *px; + else + errno = ENOMEM; + list_mutex_unlock(&list_free_lock); + return(px); +} + + +static void +list_free_aux (void *x, void *pfreelist) +{ +/* Frees the object [x], returning it to the freelist [*pfreelist]. + */ + void **px = x; + void **pfree = pfreelist; + + assert(x != NULL); + assert(pfreelist != NULL); + list_mutex_lock(&list_free_lock); + *px = *pfree; + *pfree = px; + list_mutex_unlock(&list_free_lock); + return; +} + + +#ifndef NDEBUG +#ifdef WITH_PTHREADS +static int +list_mutex_is_locked (pthread_mutex_t *mutex) +{ +/* Returns true if the mutex is locked; o/w, returns false. + */ + int rc; + + assert(mutex != NULL); + rc = pthread_mutex_trylock(mutex); + return(rc == EBUSY ? 1 : 0); +} +#endif /* WITH_PTHREADS */ +#endif /* !NDEBUG */ diff --git a/spl/lib/list.h b/spl/lib/list.h new file mode 100644 index 000000000000..01adedd596b8 --- /dev/null +++ b/spl/lib/list.h @@ -0,0 +1,279 @@ +/***************************************************************************** + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2001-2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Chris Dunlap . + * UCRL-CODE-235197 + * + * This file is from LSD-Tools, the LLNL Software Development Toolbox. + * + * LSD-Tools is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * LSD-Tools is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with LSD-Tools. If not, see . + *****************************************************************************/ + +#ifndef LSD_LIST_H +#define LSD_LIST_H + + +/*********** + * Notes * + ***********/ +/* + * If NDEBUG is not defined, internal debug code will be enabled. This is + * intended for development use only and production code should define NDEBUG. + * + * If WITH_LSD_FATAL_ERROR_FUNC is defined, the linker will expect to + * find an external lsd_fatal_error(file,line,mesg) function. By default, + * lsd_fatal_error(file,line,mesg) is a macro definition that outputs an + * error message to stderr. This macro may be redefined to invoke another + * routine instead. + * + * If WITH_LSD_NOMEM_ERROR_FUNC is defined, the linker will expect to + * find an external lsd_nomem_error(file,line,mesg) function. By default, + * lsd_nomem_error(file,line,mesg) is a macro definition that returns NULL. + * This macro may be redefined to invoke another routine instead. + * + * If WITH_PTHREADS is defined, these routines will be thread-safe. + */ + + +/**************** + * Data Types * + ****************/ + +typedef struct list * List; +/* + * List opaque data type. + */ + +typedef struct listIterator * ListIterator; +/* + * List Iterator opaque data type. + */ + +typedef void (*ListDelF) (void *x); +/* + * Function prototype to deallocate data stored in a list. + * This function is responsible for freeing all memory associated + * with an item, including all subordinate items (if applicable). + */ + +typedef int (*ListCmpF) (void *x, void *y); +/* + * Function prototype for comparing two items in a list. + * Returns less-than-zero if (xy). + */ + +typedef int (*ListFindF) (void *x, void *key); +/* + * Function prototype for matching items in a list. + * Returns non-zero if (x==key); o/w returns zero. + */ + +typedef int (*ListForF) (void *x, void *arg); +/* + * Function prototype for operating on each item in a list. + * Returns less-than-zero on error. + */ + + +/******************************* + * General-Purpose Functions * + *******************************/ + +List list_create (ListDelF f); +/* + * Creates and returns a new empty list, or lsd_nomem_error() on failure. + * The deletion function [f] is used to deallocate memory used by items + * in the list; if this is NULL, memory associated with these items + * will not be freed when the list is destroyed. + * Note: Abandoning a list without calling list_destroy() will result + * in a memory leak. + */ + +void list_destroy (List l); +/* + * Destroys list [l], freeing memory used for list iterators and the + * list itself; if a deletion function was specified when the list + * was created, it will be called for each item in the list. + */ + +int list_is_empty (List l); +/* + * Returns non-zero if list [l] is empty; o/w returns zero. + */ + +int list_count (List l); +/* + * Returns the number of items in list [l]. + */ + + +/*************************** + * List Access Functions * + ***************************/ + +void * list_append (List l, void *x); +/* + * Inserts data [x] at the end of list [l]. + * Returns the data's ptr, or lsd_nomem_error() if insertion failed. + */ + +void * list_prepend (List l, void *x); +/* + * Inserts data [x] at the beginning of list [l]. + * Returns the data's ptr, or lsd_nomem_error() if insertion failed. + */ + +void * list_find_first (List l, ListFindF f, void *key); +/* + * Traverses list [l] using [f] to match each item with [key]. + * Returns a ptr to the first item for which the function [f] + * returns non-zero, or NULL if no such item is found. + * Note: This function differs from list_find() in that it does not require + * a list iterator; it should only be used when all list items are known + * to be unique (according to the function [f]). + */ + +int list_delete_all (List l, ListFindF f, void *key); +/* + * Traverses list [l] using [f] to match each item with [key]. + * Removes all items from the list for which the function [f] returns + * non-zero; if a deletion function was specified when the list was + * created, it will be called to deallocate each item being removed. + * Returns a count of the number of items removed from the list. + */ + +int list_for_each (List l, ListForF f, void *arg); +/* + * For each item in list [l], invokes the function [f] with [arg]. + * Returns a count of the number of items on which [f] was invoked. + * If [f] returns <0 for a given item, the iteration is aborted and the + * function returns the negative of that item's position in the list. + */ + +void list_sort (List l, ListCmpF f); +/* + * Sorts list [l] into ascending order according to the function [f]. + * Note: Sorting a list resets all iterators associated with the list. + * Note: The sort algorithm is stable. + */ + + +/**************************** + * Stack Access Functions * + ****************************/ + +void * list_push (List l, void *x); +/* + * Pushes data [x] onto the top of stack [l]. + * Returns the data's ptr, or lsd_nomem_error() if insertion failed. + */ + +void * list_pop (List l); +/* + * Pops the data item at the top of the stack [l]. + * Returns the data's ptr, or NULL if the stack is empty. + */ + +void * list_peek (List l); +/* + * Peeks at the data item at the top of the stack (or head of the queue) [l]. + * Returns the data's ptr, or NULL if the stack (or queue) is empty. + * Note: The item is not removed from the list. + */ + + +/**************************** + * Queue Access Functions * + ****************************/ + +void * list_enqueue (List l, void *x); +/* + * Enqueues data [x] at the tail of queue [l]. + * Returns the data's ptr, or lsd_nomem_error() if insertion failed. + */ + +void * list_dequeue (List l); +/* + * Dequeues the data item at the head of the queue [l]. + * Returns the data's ptr, or NULL if the queue is empty. + */ + + +/***************************** + * List Iterator Functions * + *****************************/ + +ListIterator list_iterator_create (List l); +/* + * Creates and returns a list iterator for non-destructively traversing + * list [l], or lsd_nomem_error() on failure. + */ + +void list_iterator_reset (ListIterator i); +/* + * Resets the list iterator [i] to start traversal at the beginning + * of the list. + */ + +void list_iterator_destroy (ListIterator i); +/* + * Destroys the list iterator [i]; list iterators not explicitly destroyed + * in this manner will be destroyed when the list is deallocated via + * list_destroy(). + */ + +void * list_next (ListIterator i); +/* + * Returns a ptr to the next item's data, + * or NULL once the end of the list is reached. + * Example: i=list_iterator_create(i); while ((x=list_next(i))) {...} + */ + +void * list_insert (ListIterator i, void *x); +/* + * Inserts data [x] immediately before the last item returned via list + * iterator [i]; once the list iterator reaches the end of the list, + * insertion is made at the list's end. + * Returns the data's ptr, or lsd_nomem_error() if insertion failed. + */ + +void * list_find (ListIterator i, ListFindF f, void *key); +/* + * Traverses the list from the point of the list iterator [i] + * using [f] to match each item with [key]. + * Returns a ptr to the next item for which the function [f] + * returns non-zero, or NULL once the end of the list is reached. + * Example: i=list_iterator_reset(i); while ((x=list_find(i,f,k))) {...} + */ + +void * list_remove (ListIterator i); +/* + * Removes from the list the last item returned via list iterator [i] + * and returns the data's ptr. + * Note: The client is responsible for freeing the returned data. + */ + +int list_delete (ListIterator i); +/* + * Removes from the list the last item returned via list iterator [i]; 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000000000000..37f8435b0275 --- /dev/null +++ b/spl/man/man1/splat.1 @@ -0,0 +1,94 @@ +'\" t +.\" +.\" Copyright 2013 Darik Horn . All rights reserved. +.\" +.TH splat 1 "2013 MAR 16" "ZFS on Linux" "User Commands" + +.SH NAME +splat \- Solaris Porting LAyer Tests +.SH SYNOPSIS +.LP +.BI "splat [\-chvx] < \-\-all | \-\-list | \-\-test " "subsystem" ":" "test" " [...] >" + +.SH DESCRIPTION +This utility uses the splat.ko kernel module to test the spl.ko kernel +module. Run "modprobe splat" before invoking \fBsplat\fR. + +.SH OPTIONS +.HP +.BI "\-a" "" ", \-\-all" "" +.IP +Run all available tests on all subsystems. +.HP +.BI "\-c" "" ", \-\-nocolor" "" +.IP +Disable output highlighting. By default, "Fail" is printed in red text +and "Pass" is printed in green text. +.HP +.BI "\-h" "" ", \-\-help" "" +.IP +Print the usage message. +.HP +.BI "\-l" "" ", \-\-list" "" +.IP +For each spl.ko subsystem, print all available test names and +hexidecimal identifiers with a short description. +.HP +.BI "\-t" " subsystem" ":" "test" ", \-\-test" " subsystem" ":" "test" +.HP +.BI "\-t" " subsystem" ":all" "" ", \-\-test" " subsystem" ":all" "" +.IP +Run the \fItest\fR diagnostic routine for the spl.ko \fIsubsystem\fR. +Specify this option more than once to run multiple tests. + +The \fItest\fR and \fIsubsystem\fR parameters are the names or +hexidecimal identifiers returned by the \fBsplat --list\fR command. + +If \fIsubsystem\fR is a name and not a hexidecimal identifier, then the +\fBall\fR keyword can be used to run all available \fIsubsystem\fR +tests. + +.HP +.BI "\-v" "" ", \-\-verbose" "" +.HP +.IP +Increase verbosity. +.HP +.BI "\-x" "" ", \-\-exit" "" +.IP +Stop running tests after the first failure. + +.SH "EXAMPLES" +.LP +Test everything in the spl.ko kernel module: +.IP +# splat --all --verbose +.LP +Test the entire kernel memory subsystem: +.IP +# splat --test kmem:all +.LP +Test the kernel compression and queue waiting facilities: +.IP +# splat --test zlib:compress/uncompress --test taskq:wait +.LP +This is the same as the previous command, except that the subsystems +and tests are referenced by hexidecimal identifier instead of by name: +.IP +# splat -t 0x0f00:0x0f01 -t 0x0200:0x0204 + +.SH "NOTES" +All tests always return a green "Pass" result on a healthy system. Any +red "Fail" result should be investigated or reported. + +.SH "BUGS" +Some tests can deadlock the kernel if an X11 desktop is running, +especially if a proprietary blob driver is loaded for the video +hardware. + +.SH "AUTHORS" +This man page was written by Darik Horn . + +.SH "SEE ALSO" +.BR zpios (1), +.BR ztest (1) diff --git a/spl/man/man5/Makefile.am b/spl/man/man5/Makefile.am new file mode 100644 index 000000000000..fb22beb11c1f --- /dev/null +++ b/spl/man/man5/Makefile.am @@ -0,0 +1,4 @@ +dist_man_MANS = spl-module-parameters.5 + +install-data-local: + $(INSTALL) -d -m 0755 "$(DESTDIR)$(mandir)/man5" diff --git a/spl/man/man5/Makefile.in b/spl/man/man5/Makefile.in new file mode 100644 index 000000000000..f56476a323f8 --- /dev/null +++ b/spl/man/man5/Makefile.in @@ -0,0 +1,576 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software 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(for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/man/man5/spl-module-parameters.5 b/spl/man/man5/spl-module-parameters.5 new file mode 100644 index 000000000000..acdd5b658ff8 --- /dev/null +++ b/spl/man/man5/spl-module-parameters.5 @@ -0,0 +1,300 @@ +'\" te +.\" +.\" Copyright 2013 Turbo Fredriksson . All rights reserved. +.\" +.TH SPL-MODULE-PARAMETERS 5 "Nov 18, 2013" +.SH NAME +spl\-module\-parameters \- SPL module parameters +.SH DESCRIPTION +.sp +.LP +Description of the different parameters to the SPL module. + +.SS "Module parameters" +.sp +.LP + +.sp +.ne 2 +.na +\fBspl_kmem_cache_expire\fR (uint) +.ad +.RS 12n +Cache expiration is part of default Illumos cache behavior. The idea is +that objects in magazines which have not been recently accessed should be +returned to the slabs periodically. This is known as cache aging and +when enabled objects will be typically returned after 15 seconds. +.sp +On the other hand Linux slabs are designed to never move objects back to +the slabs unless there is memory pressure. This is possible because under +Linux the cache will be notified when memory is low and objects can be +released. +.sp +By default only the Linux method is enabled. It has been shown to improve +responsiveness on low memory systems and not negatively impact the performance +of systems with more memory. This policy may be changed by setting the +\fBspl_kmem_cache_expire\fR bit mask as follows, both policies may be enabled +concurrently. +.sp +0x01 - Aging (Illumos), 0x02 - Low memory (Linux) +.sp +Default value: \fB0x02\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_cache_reclaim\fR (uint) +.ad +.RS 12n +When this is set it prevents Linux from being able to rapidly reclaim all the +memory held by the kmem caches. This may be useful in circumstances where +it's preferable that Linux reclaim memory from some other subsystem first. +Setting this will increase the likelihood out of memory events on a memory +constrained system. +.sp +Default value: \fB0\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_cache_obj_per_slab\fR (uint) +.ad +.RS 12n +The preferred number of objects per slab in the cache. In general, a larger +value will increase the caches memory footprint while decreasing the time +required to perform an allocation. Conversely, a smaller value will minimize +the footprint and improve cache reclaim time but individual allocations may +take longer. +.sp +Default value: \fB8\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_cache_obj_per_slab_min\fR (uint) +.ad +.RS 12n +The minimum number of objects allowed per slab. Normally slabs will contain +\fBspl_kmem_cache_obj_per_slab\fR objects but for caches that contain very +large objects it's desirable to only have a few, or even just one, object per +slab. +.sp +Default value: \fB1\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_cache_max_size\fR (uint) +.ad +.RS 12n +The maximum size of a kmem cache slab in MiB. This effectively limits +the maximum cache object size to \fBspl_kmem_cache_max_size\fR / +\fBspl_kmem_cache_obj_per_slab\fR. Caches may not be created with +object sized larger than this limit. +.sp +Default value: \fB32 (64-bit) or 4 (32-bit)\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_cache_slab_limit\fR (uint) +.ad +.RS 12n +For small objects the Linux slab allocator should be used to make the most +efficient use of the memory. However, large objects are not supported by +the Linux slab and therefore the SPL implementation is preferred. This +value is used to determine the cutoff between a small and large object. +.sp +Objects of \fBspl_kmem_cache_slab_limit\fR or smaller will be allocated +using the Linux slab allocator, large objects use the SPL allocator. A +cutoff of 16K was determined to be optimal for architectures using 4K pages. +.sp +Default value: \fB16,384\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_cache_kmem_limit\fR (uint) +.ad +.RS 12n +Depending on the size of a cache object it may be backed by kmalloc()'d +or vmalloc()'d memory. This is because the size of the required allocation +greatly impacts the best way to allocate the memory. +.sp +When objects are small and only a small number of memory pages need to be +allocated, ideally just one, then kmalloc() is very efficient. However, +when allocating multiple pages with kmalloc() it gets increasingly expensive +because the pages must be physically contiguous. +.sp +For this reason we shift to vmalloc() for slabs of large objects which +which removes the need for contiguous pages. We cannot use vmalloc() in +all cases because there is significant locking overhead involved. This +function takes a single global lock over the entire virtual address range +which serializes all allocations. Using slightly different allocation +functions for small and large objects allows us to handle a wide range of +object sizes. +.sh +The \fBspl_kmem_cache_kmem_limit\fR value is used to determine this cutoff +size. One quarter the PAGE_SIZE is used as the default value because +\fBspl_kmem_cache_obj_per_slab\fR defaults to 16. This means that at +most we will need to allocate four contiguous pages. +.sp +Default value: \fBPAGE_SIZE/4\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_alloc_warn\fR (uint) +.ad +.RS 12n +As a general rule kmem_alloc() allocations should be small, preferably +just a few pages since they must by physically contiguous. Therefore, a +rate limited warning will be printed to the console for any kmem_alloc() +which exceeds a reasonable threshold. +.sp +The default warning threshold is set to eight pages but capped at 32K to +accommodate systems using large pages. This value was selected to be small +enough to ensure the largest allocations are quickly noticed and fixed. +But large enough to avoid logging any warnings when a allocation size is +larger than optimal but not a serious concern. Since this value is tunable, +developers are encouraged to set it lower when testing so any new largish +allocations are quickly caught. These warnings may be disabled by setting +the threshold to zero. +.sp +Default value: \fB32,768\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_alloc_max\fR (uint) +.ad +.RS 12n +Large kmem_alloc() allocations will fail if they exceed KMALLOC_MAX_SIZE. +Allocations which are marginally smaller than this limit may succeed but +should still be avoided due to the expense of locating a contiguous range +of free pages. Therefore, a maximum kmem size with reasonable safely +margin of 4x is set. Kmem_alloc() allocations larger than this maximum +will quickly fail. Vmem_alloc() allocations less than or equal to this +value will use kmalloc(), but shift to vmalloc() when exceeding this value. +.sp +Default value: \fBKMALLOC_MAX_SIZE/4\fR +.RE + +.sp +.ne 2 +.na +\fBspl_kmem_cache_magazine_size\fR (uint) +.ad +.RS 12n +Cache magazines are an optimization designed to minimize the cost of +allocating memory. They do this by keeping a per-cpu cache of recently +freed objects, which can then be reallocated without taking a lock. This +can improve performance on highly contended caches. However, because +objects in magazines will prevent otherwise empty slabs from being +immediately released this may not be ideal for low memory machines. +.sp +For this reason \fBspl_kmem_cache_magazine_size\fR can be used to set a +maximum magazine size. When this value is set to 0 the magazine size will +be automatically determined based on the object size. Otherwise magazines +will be limited to 2-256 objects per magazine (i.e per cpu). Magazines +may never be entirely disabled in this implementation. +.sp +Default value: \fB0\fR +.RE + +.sp +.ne 2 +.na +\fBspl_hostid\fR (ulong) +.ad +.RS 12n +The system hostid, when set this can be used to uniquely identify a system. +By default this value is set to zero which indicates the hostid is disabled. +It can be explicitly enabled by placing a unique non-zero value in +\fB/etc/hostid/\fR. +.sp +Default value: \fB0\fR +.RE + +.sp +.ne 2 +.na +\fBspl_hostid_path\fR (charp) +.ad +.RS 12n +The expected path to locate the system hostid when specified. This value +may be overridden for non-standard configurations. +.sp +Default value: \fB/etc/hostid\fR +.RE + +.sp +.ne 2 +.na +\fBspl_taskq_thread_bind\fR (int) +.ad +.RS 12n +Bind taskq threads to specific CPUs. When enabled all taskq threads will +be distributed evenly over the available CPUs. By default, this behavior +is disabled to allow the Linux scheduler the maximum flexibility to determine +where a thread should run. +.sp +Default value: \fB0\fR +.RE + +.sp +.ne 2 +.na +\fBspl_taskq_thread_dynamic\fR (int) +.ad +.RS 12n +Allow dynamic taskqs. When enabled taskqs which set the TASKQ_DYNAMIC flag +will by default create only a single thread. New threads will be created on +demand up to a maximum allowed number to facilitate the completion of +outstanding tasks. Threads which are no longer needed will be promptly +destroyed. By default this behavior is enabled but it can be disabled to +aid performance analysis or troubleshooting. +.sp +Default value: \fB1\fR +.RE + +.sp +.ne 2 +.na +\fBspl_taskq_thread_priority\fR (int) +.ad +.RS 12n +Allow newly created taskq threads to set a non-default scheduler priority. +When enabled the priority specified when a taskq is created will be applied +to all threads created by that taskq. When disabled all threads will use +the default Linux kernel thread priority. By default, this behavior is +enabled. +.sp +Default value: \fB1\fR +.RE + +.sp +.ne 2 +.na +\fBspl_taskq_thread_sequential\fR (int) +.ad +.RS 12n +The number of items a taskq worker thread must handle without interruption +before requesting a new worker thread be spawned. This is used to control +how quickly taskqs ramp up the number of threads processing the queue. +Because Linux thread creation and destruction are relatively inexpensive a +small default value has been selected. This means that normally threads will +be created aggressively which is desirable. Increasing this value will +result in a slower thread creation rate which may be preferable for some +configurations. +.sp +Default value: \fB4\fR +.RE diff --git a/spl/module/Makefile.in b/spl/module/Makefile.in new file mode 100644 index 000000000000..d4e62e152193 --- /dev/null +++ b/spl/module/Makefile.in @@ -0,0 +1,54 @@ +subdir-m += spl +subdir-m += splat + +INSTALL_MOD_DIR ?= extra + +SPL_MODULE_CFLAGS = -I@abs_top_srcdir@/include +SPL_MODULE_CFLAGS += -include @abs_top_builddir@/spl_config.h +export SPL_MODULE_CFLAGS + +modules: + $(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ CONFIG_SPL=m $@ + +clean: + @# Only cleanup the kernel build directories when CONFIG_KERNEL + @# is defined. This indicates that kernel modules should be built. +@CONFIG_KERNEL_TRUE@ $(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ $@ + + if [ -f @LINUX_SYMBOLS@ ]; then $(RM) @LINUX_SYMBOLS@; fi + if [ -f Module.markers ]; then $(RM) Module.markers; fi + +modules_install: + @# Install the kernel modules + $(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` $@ \ + INSTALL_MOD_PATH=$(DESTDIR)$(INSTALL_MOD_PATH) \ + INSTALL_MOD_DIR=$(INSTALL_MOD_DIR) \ + KERNELRELEASE=@LINUX_VERSION@ + @# Remove extraneous build products when packaging + kmoddir=$(DESTDIR)$(INSTALL_MOD_PATH)/lib/modules/@LINUX_VERSION@; \ + if [ -n "$(DESTDIR)" ]; then \ + find $$kmoddir -name 'modules.*' | xargs $(RM); \ + fi + sysmap=$(DESTDIR)$(INSTALL_MOD_PATH)/boot/System.map-@LINUX_VERSION@; \ + if [ -f $$sysmap ]; then \ + depmod -ae -F $$sysmap @LINUX_VERSION@; \ + fi + +modules_uninstall: + @# Uninstall the kernel modules + kmoddir=$(DESTDIR)$(INSTALL_MOD_PATH)/lib/modules/@LINUX_VERSION@ + list='$(subdir-m)'; for subdir in $$list; do \ + $(RM) -R $$kmoddir/$(INSTALL_MOD_DIR)/$$subdir; \ + done + +distdir: + list='$(subdir-m)'; for subdir in $$list; do \ + (find @top_srcdir@/module/$$subdir -name '*.c' -o -name '*.h' |\ + xargs /bin/cp -t $$distdir/$$subdir); \ + done + +distclean maintainer-clean: clean +install: modules_install +uninstall: modules_uninstall +all: modules +check: diff --git a/spl/module/spl/Makefile.in b/spl/module/spl/Makefile.in new file mode 100644 index 000000000000..a1f1ab82385c --- /dev/null +++ b/spl/module/spl/Makefile.in @@ -0,0 +1,30 @@ +# Makefile.in for spl kernel module + +src = @abs_top_srcdir@/module/spl +obj = @abs_builddir@ + +MODULE := spl +EXTRA_CFLAGS = $(SPL_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +# Solaris porting layer module +obj-$(CONFIG_SPL) := $(MODULE).o + +$(MODULE)-objs += spl-proc.o +$(MODULE)-objs += spl-kmem.o +$(MODULE)-objs += spl-kmem-cache.o +$(MODULE)-objs += spl-vmem.o +$(MODULE)-objs += spl-thread.o +$(MODULE)-objs += spl-taskq.o +$(MODULE)-objs += spl-rwlock.o +$(MODULE)-objs += spl-vnode.o +$(MODULE)-objs += spl-err.o +$(MODULE)-objs += spl-kobj.o +$(MODULE)-objs += spl-generic.o +$(MODULE)-objs += spl-atomic.o +$(MODULE)-objs += spl-mutex.o +$(MODULE)-objs += spl-kstat.o +$(MODULE)-objs += spl-condvar.o +$(MODULE)-objs += spl-xdr.o +$(MODULE)-objs += spl-cred.o +$(MODULE)-objs += spl-tsd.o +$(MODULE)-objs += spl-zlib.o diff --git a/spl/module/spl/spl-atomic.c b/spl/module/spl/spl-atomic.c new file mode 100644 index 000000000000..c46252c105a2 --- /dev/null +++ b/spl/module/spl/spl-atomic.c @@ -0,0 +1,42 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Atomic Implementation. +\*****************************************************************************/ + +#include + +#ifdef DEBUG_SUBSYSTEM +#undef DEBUG_SUBSYSTEM +#endif + +#define DEBUG_SUBSYSTEM S_ATOMIC + +#ifdef ATOMIC_SPINLOCK +/* Global atomic lock declarations */ +DEFINE_SPINLOCK(atomic32_lock); +DEFINE_SPINLOCK(atomic64_lock); + +EXPORT_SYMBOL(atomic32_lock); +EXPORT_SYMBOL(atomic64_lock); +#endif /* ATOMIC_SPINLOCK */ diff --git a/spl/module/spl/spl-condvar.c b/spl/module/spl/spl-condvar.c new file mode 100644 index 000000000000..c420d18cadfe --- /dev/null +++ b/spl/module/spl/spl-condvar.c @@ -0,0 +1,355 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + * + * Solaris Porting Layer (SPL) Credential Implementation. + */ + +#include +#include + +void +__cv_init(kcondvar_t *cvp, char *name, kcv_type_t type, void *arg) +{ + ASSERT(cvp); + ASSERT(name == NULL); + ASSERT(type == CV_DEFAULT); + ASSERT(arg == NULL); + + cvp->cv_magic = CV_MAGIC; + init_waitqueue_head(&cvp->cv_event); + init_waitqueue_head(&cvp->cv_destroy); + atomic_set(&cvp->cv_waiters, 0); + atomic_set(&cvp->cv_refs, 1); + cvp->cv_mutex = NULL; +} +EXPORT_SYMBOL(__cv_init); + +static int +cv_destroy_wakeup(kcondvar_t *cvp) +{ + if (!atomic_read(&cvp->cv_waiters) && !atomic_read(&cvp->cv_refs)) { + ASSERT(cvp->cv_mutex == NULL); + ASSERT(!waitqueue_active(&cvp->cv_event)); + return (1); + } + + return (0); +} + +void +__cv_destroy(kcondvar_t *cvp) +{ + ASSERT(cvp); + ASSERT(cvp->cv_magic == CV_MAGIC); + + cvp->cv_magic = CV_DESTROY; + atomic_dec(&cvp->cv_refs); + + /* Block until all waiters are woken and references dropped. */ + while (cv_destroy_wakeup(cvp) == 0) + wait_event_timeout(cvp->cv_destroy, cv_destroy_wakeup(cvp), 1); + + ASSERT3P(cvp->cv_mutex, ==, NULL); + ASSERT3S(atomic_read(&cvp->cv_refs), ==, 0); + ASSERT3S(atomic_read(&cvp->cv_waiters), ==, 0); + ASSERT3S(waitqueue_active(&cvp->cv_event), ==, 0); +} +EXPORT_SYMBOL(__cv_destroy); + +static void +cv_wait_common(kcondvar_t *cvp, kmutex_t *mp, int state, int io) +{ + DEFINE_WAIT(wait); + kmutex_t *m; + + ASSERT(cvp); + ASSERT(mp); + ASSERT(cvp->cv_magic == CV_MAGIC); + ASSERT(mutex_owned(mp)); + atomic_inc(&cvp->cv_refs); + + m = ACCESS_ONCE(cvp->cv_mutex); + if (!m) + m = xchg(&cvp->cv_mutex, mp); + /* Ensure the same mutex is used by all callers */ + ASSERT(m == NULL || m == mp); + + prepare_to_wait_exclusive(&cvp->cv_event, &wait, state); + atomic_inc(&cvp->cv_waiters); + + /* + * Mutex should be dropped after prepare_to_wait() this + * ensures we're linked in to the waiters list and avoids the + * race where 'cvp->cv_waiters > 0' but the list is empty. + */ + mutex_exit(mp); + if (io) + io_schedule(); + else + schedule(); + + /* No more waiters a different mutex could be used */ + if (atomic_dec_and_test(&cvp->cv_waiters)) { + /* + * This is set without any lock, so it's racy. But this is + * just for debug anyway, so make it best-effort + */ + cvp->cv_mutex = NULL; + wake_up(&cvp->cv_destroy); + } + + finish_wait(&cvp->cv_event, &wait); + atomic_dec(&cvp->cv_refs); + + /* + * Hold mutex after we release the cvp, otherwise we could dead lock + * with a thread holding the mutex and call cv_destroy. + */ + mutex_enter(mp); +} + +void +__cv_wait(kcondvar_t *cvp, kmutex_t *mp) +{ + cv_wait_common(cvp, mp, TASK_UNINTERRUPTIBLE, 0); +} +EXPORT_SYMBOL(__cv_wait); + +void +__cv_wait_sig(kcondvar_t *cvp, kmutex_t *mp) +{ + cv_wait_common(cvp, mp, TASK_INTERRUPTIBLE, 0); +} +EXPORT_SYMBOL(__cv_wait_sig); + +void +__cv_wait_io(kcondvar_t *cvp, kmutex_t *mp) +{ + cv_wait_common(cvp, mp, TASK_UNINTERRUPTIBLE, 1); +} +EXPORT_SYMBOL(__cv_wait_io); + +/* + * 'expire_time' argument is an absolute wall clock time in jiffies. + * Return value is time left (expire_time - now) or -1 if timeout occurred. + */ +static clock_t +__cv_timedwait_common(kcondvar_t *cvp, kmutex_t *mp, clock_t expire_time, + int state) +{ + DEFINE_WAIT(wait); + kmutex_t *m; + clock_t time_left; + + ASSERT(cvp); + ASSERT(mp); + ASSERT(cvp->cv_magic == CV_MAGIC); + ASSERT(mutex_owned(mp)); + atomic_inc(&cvp->cv_refs); + + m = ACCESS_ONCE(cvp->cv_mutex); + if (!m) + m = xchg(&cvp->cv_mutex, mp); + /* Ensure the same mutex is used by all callers */ + ASSERT(m == NULL || m == mp); + + /* XXX - Does not handle jiffie wrap properly */ + time_left = expire_time - jiffies; + if (time_left <= 0) { + /* XXX - doesn't reset cv_mutex */ + atomic_dec(&cvp->cv_refs); + return (-1); + } + + prepare_to_wait_exclusive(&cvp->cv_event, &wait, state); + atomic_inc(&cvp->cv_waiters); + + /* + * Mutex should be dropped after prepare_to_wait() this + * ensures we're linked in to the waiters list and avoids the + * race where 'cvp->cv_waiters > 0' but the list is empty. + */ + mutex_exit(mp); + time_left = schedule_timeout(time_left); + + /* No more waiters a different mutex could be used */ + if (atomic_dec_and_test(&cvp->cv_waiters)) { + /* + * This is set without any lock, so it's racy. But this is + * just for debug anyway, so make it best-effort + */ + cvp->cv_mutex = NULL; + wake_up(&cvp->cv_destroy); + } + + finish_wait(&cvp->cv_event, &wait); + atomic_dec(&cvp->cv_refs); + + /* + * Hold mutex after we release the cvp, otherwise we could dead lock + * with a thread holding the mutex and call cv_destroy. + */ + mutex_enter(mp); + return (time_left > 0 ? time_left : -1); +} + +clock_t +__cv_timedwait(kcondvar_t *cvp, kmutex_t *mp, clock_t exp_time) +{ + return (__cv_timedwait_common(cvp, mp, exp_time, TASK_UNINTERRUPTIBLE)); +} +EXPORT_SYMBOL(__cv_timedwait); + +clock_t +__cv_timedwait_sig(kcondvar_t *cvp, kmutex_t *mp, clock_t exp_time) +{ + return (__cv_timedwait_common(cvp, mp, exp_time, TASK_INTERRUPTIBLE)); +} +EXPORT_SYMBOL(__cv_timedwait_sig); + +/* + * 'expire_time' argument is an absolute clock time in nanoseconds. + * Return value is time left (expire_time - now) or -1 if timeout occurred. + */ +static clock_t +__cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t expire_time, + int state) +{ + DEFINE_WAIT(wait); + kmutex_t *m; + hrtime_t time_left, now; + unsigned long time_left_us; + + ASSERT(cvp); + ASSERT(mp); + ASSERT(cvp->cv_magic == CV_MAGIC); + ASSERT(mutex_owned(mp)); + atomic_inc(&cvp->cv_refs); + + m = ACCESS_ONCE(cvp->cv_mutex); + if (!m) + m = xchg(&cvp->cv_mutex, mp); + /* Ensure the same mutex is used by all callers */ + ASSERT(m == NULL || m == mp); + + now = gethrtime(); + time_left = expire_time - now; + if (time_left <= 0) { + atomic_dec(&cvp->cv_refs); + return (-1); + } + time_left_us = time_left / NSEC_PER_USEC; + + prepare_to_wait_exclusive(&cvp->cv_event, &wait, state); + atomic_inc(&cvp->cv_waiters); + + /* + * Mutex should be dropped after prepare_to_wait() this + * ensures we're linked in to the waiters list and avoids the + * race where 'cvp->cv_waiters > 0' but the list is empty. + */ + mutex_exit(mp); + /* + * Allow a 100 us range to give kernel an opportunity to coalesce + * interrupts + */ + usleep_range(time_left_us, time_left_us + 100); + + /* No more waiters a different mutex could be used */ + if (atomic_dec_and_test(&cvp->cv_waiters)) { + /* + * This is set without any lock, so it's racy. But this is + * just for debug anyway, so make it best-effort + */ + cvp->cv_mutex = NULL; + wake_up(&cvp->cv_destroy); + } + + finish_wait(&cvp->cv_event, &wait); + atomic_dec(&cvp->cv_refs); + + mutex_enter(mp); + time_left = expire_time - gethrtime(); + return (time_left > 0 ? time_left : -1); +} + +/* + * Compatibility wrapper for the cv_timedwait_hires() Illumos interface. + */ +clock_t +cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, hrtime_t res, + int flag) +{ + if (res > 1) { + /* + * Align expiration to the specified resolution. + */ + if (flag & CALLOUT_FLAG_ROUNDUP) + tim += res - 1; + tim = (tim / res) * res; + } + + if (!(flag & CALLOUT_FLAG_ABSOLUTE)) + tim += gethrtime(); + + return (__cv_timedwait_hires(cvp, mp, tim, TASK_UNINTERRUPTIBLE)); +} +EXPORT_SYMBOL(cv_timedwait_hires); + +void +__cv_signal(kcondvar_t *cvp) +{ + ASSERT(cvp); + ASSERT(cvp->cv_magic == CV_MAGIC); + atomic_inc(&cvp->cv_refs); + + /* + * All waiters are added with WQ_FLAG_EXCLUSIVE so only one + * waiter will be set runable with each call to wake_up(). + * Additionally wake_up() holds a spin_lock assoicated with + * the wait queue to ensure we don't race waking up processes. + */ + if (atomic_read(&cvp->cv_waiters) > 0) + wake_up(&cvp->cv_event); + + atomic_dec(&cvp->cv_refs); +} +EXPORT_SYMBOL(__cv_signal); + +void +__cv_broadcast(kcondvar_t *cvp) +{ + ASSERT(cvp); + ASSERT(cvp->cv_magic == CV_MAGIC); + atomic_inc(&cvp->cv_refs); + + /* + * Wake_up_all() will wake up all waiters even those which + * have the WQ_FLAG_EXCLUSIVE flag set. + */ + if (atomic_read(&cvp->cv_waiters) > 0) + wake_up_all(&cvp->cv_event); + + atomic_dec(&cvp->cv_refs); +} +EXPORT_SYMBOL(__cv_broadcast); diff --git a/spl/module/spl/spl-cred.c b/spl/module/spl/spl-cred.c new file mode 100644 index 000000000000..1d486c1f0b1b --- /dev/null +++ b/spl/module/spl/spl-cred.c @@ -0,0 +1,206 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Credential Implementation. +\*****************************************************************************/ + +#include + +#ifdef DEBUG_SUBSYSTEM +#undef DEBUG_SUBSYSTEM +#endif + +#define DEBUG_SUBSYSTEM S_CRED + +static int +#ifdef HAVE_KUIDGID_T +cr_groups_search(const struct group_info *group_info, kgid_t grp) +#else +cr_groups_search(const struct group_info *group_info, gid_t grp) +#endif +{ + unsigned int left, right, mid; + int cmp; + + if (!group_info) + return 0; + + left = 0; + right = group_info->ngroups; + while (left < right) { + mid = (left + right) / 2; + cmp = KGID_TO_SGID(grp) - + KGID_TO_SGID(GROUP_AT(group_info, mid)); + + if (cmp > 0) + left = mid + 1; + else if (cmp < 0) + right = mid; + else + return 1; + } + return 0; +} + +/* Hold a reference on the credential */ +void +crhold(cred_t *cr) +{ + (void)get_cred((const cred_t *)cr); +} + +/* Free a reference on the credential */ +void +crfree(cred_t *cr) +{ + put_cred((const cred_t *)cr); +} + +/* Return the number of supplemental groups */ +int +crgetngroups(const cred_t *cr) +{ + struct group_info *gi; + int rc; + + gi = cr->group_info; + rc = gi->ngroups; +#ifndef HAVE_GROUP_INFO_GID + /* + * For Linux <= 4.8, + * crgetgroups will only returns gi->blocks[0], which contains only + * the first NGROUPS_PER_BLOCK groups. + */ + if (rc > NGROUPS_PER_BLOCK) { + WARN_ON_ONCE(1); + rc = NGROUPS_PER_BLOCK; + } +#endif + return rc; +} + +/* + * Return an array of supplemental gids. The returned address is safe + * to use as long as the caller has taken a reference with crhold(). + * + * Linux 4.9 API change, group_info changed from 2d array via ->blocks to 1d + * array via ->gid. + */ +gid_t * +crgetgroups(const cred_t *cr) +{ + struct group_info *gi; + gid_t *gids = NULL; + + gi = cr->group_info; +#ifdef HAVE_GROUP_INFO_GID + gids = KGIDP_TO_SGIDP(gi->gid); +#else + if (gi->nblocks > 0) + gids = KGIDP_TO_SGIDP(gi->blocks[0]); +#endif + return gids; +} + +/* Check if the passed gid is available in supplied credential. */ +int +groupmember(gid_t gid, const cred_t *cr) +{ + struct group_info *gi; + int rc; + + gi = cr->group_info; + rc = cr_groups_search(gi, SGID_TO_KGID(gid)); + + return rc; +} + +/* Return the effective user id */ +uid_t +crgetuid(const cred_t *cr) +{ + return KUID_TO_SUID(cr->euid); +} + +/* Return the real user id */ +uid_t +crgetruid(const cred_t *cr) +{ + return KUID_TO_SUID(cr->uid); +} + +/* Return the saved user id */ +uid_t +crgetsuid(const cred_t *cr) +{ + return KUID_TO_SUID(cr->suid); +} + +/* Return the filesystem user id */ +uid_t +crgetfsuid(const cred_t *cr) +{ + return KUID_TO_SUID(cr->fsuid); +} + +/* Return the effective group id */ +gid_t +crgetgid(const cred_t *cr) +{ + return KGID_TO_SGID(cr->egid); +} + +/* Return the real group id */ +gid_t +crgetrgid(const cred_t *cr) +{ + return KGID_TO_SGID(cr->gid); +} + +/* Return the saved group id */ +gid_t +crgetsgid(const cred_t *cr) +{ + return KGID_TO_SGID(cr->sgid); +} + +/* Return the filesystem group id */ +gid_t +crgetfsgid(const cred_t *cr) +{ + return KGID_TO_SGID(cr->fsgid); +} + +EXPORT_SYMBOL(crhold); +EXPORT_SYMBOL(crfree); +EXPORT_SYMBOL(crgetuid); +EXPORT_SYMBOL(crgetruid); +EXPORT_SYMBOL(crgetsuid); +EXPORT_SYMBOL(crgetfsuid); +EXPORT_SYMBOL(crgetgid); +EXPORT_SYMBOL(crgetrgid); +EXPORT_SYMBOL(crgetsgid); +EXPORT_SYMBOL(crgetfsgid); +EXPORT_SYMBOL(crgetngroups); +EXPORT_SYMBOL(crgetgroups); +EXPORT_SYMBOL(groupmember); diff --git a/spl/module/spl/spl-err.c b/spl/module/spl/spl-err.c new file mode 100644 index 000000000000..14ff8a3373f5 --- /dev/null +++ b/spl/module/spl/spl-err.c @@ -0,0 +1,117 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Error Implementation. +\*****************************************************************************/ + +#include +#include +#include + +/* + * Limit the number of stack traces dumped to not more than 5 every + * 60 seconds to prevent denial-of-service attacks from debug code. + */ +DEFINE_RATELIMIT_STATE(dumpstack_ratelimit_state, 60 * HZ, 5); + +void +spl_dumpstack(void) +{ + if (__ratelimit(&dumpstack_ratelimit_state)) { + printk("Showing stack for process %d\n", current->pid); + dump_stack(); + } +} +EXPORT_SYMBOL(spl_dumpstack); + +int +spl_panic(const char *file, const char *func, int line, const char *fmt, ...) { + const char *newfile; + char msg[MAXMSGLEN]; + va_list ap; + + newfile = strrchr(file, '/'); + if (newfile != NULL) + newfile = newfile + 1; + else + newfile = file; + + va_start(ap, fmt); + (void) vsnprintf(msg, sizeof (msg), fmt, ap); + va_end(ap); + + printk(KERN_EMERG "%s", msg); + printk(KERN_EMERG "PANIC at %s:%d:%s()\n", newfile, line, func); + spl_dumpstack(); + + /* Halt the thread to facilitate further debugging */ + set_task_state(current, TASK_UNINTERRUPTIBLE); + while (1) + schedule(); + + /* Unreachable */ + return (1); +} +EXPORT_SYMBOL(spl_panic); + +void +vcmn_err(int ce, const char *fmt, va_list ap) +{ + char msg[MAXMSGLEN]; + + vsnprintf(msg, MAXMSGLEN - 1, fmt, ap); + + switch (ce) { + case CE_IGNORE: + break; + case CE_CONT: + printk("%s", msg); + break; + case CE_NOTE: + printk(KERN_NOTICE "NOTICE: %s\n", msg); + break; + case CE_WARN: + printk(KERN_WARNING "WARNING: %s\n", msg); + break; + case CE_PANIC: + printk(KERN_EMERG "PANIC: %s\n", msg); + spl_dumpstack(); + + /* Halt the thread to facilitate further debugging */ + set_task_state(current, TASK_UNINTERRUPTIBLE); + while (1) + schedule(); + } +} /* vcmn_err() */ +EXPORT_SYMBOL(vcmn_err); + +void +cmn_err(int ce, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vcmn_err(ce, fmt, ap); + va_end(ap); +} /* cmn_err() */ +EXPORT_SYMBOL(cmn_err); diff --git a/spl/module/spl/spl-generic.c b/spl/module/spl/spl-generic.c new file mode 100644 index 000000000000..c01a646a4d5d --- /dev/null +++ b/spl/module/spl/spl-generic.c @@ -0,0 +1,605 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Generic Implementation. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +char spl_version[32] = "SPL v" SPL_META_VERSION "-" SPL_META_RELEASE; +EXPORT_SYMBOL(spl_version); + +unsigned long spl_hostid = 0; +EXPORT_SYMBOL(spl_hostid); +module_param(spl_hostid, ulong, 0644); +MODULE_PARM_DESC(spl_hostid, "The system hostid."); + +proc_t p0; +EXPORT_SYMBOL(p0); + +#if BITS_PER_LONG == 32 +/* + * Support 64/64 => 64 division on a 32-bit platform. While the kernel + * provides a div64_u64() function for this we do not use it because the + * implementation is flawed. There are cases which return incorrect + * results as late as linux-2.6.35. Until this is fixed upstream the + * spl must provide its own implementation. + * + * This implementation is a slightly modified version of the algorithm + * proposed by the book 'Hacker's Delight'. The original source can be + * found here and is available for use without restriction. + * + * http://www.hackersdelight.org/HDcode/newCode/divDouble.c + */ + +/* + * Calculate number of leading of zeros for a 64-bit value. + */ +static int +nlz64(uint64_t x) { + register int n = 0; + + if (x == 0) + return 64; + + if (x <= 0x00000000FFFFFFFFULL) {n = n + 32; x = x << 32;} + if (x <= 0x0000FFFFFFFFFFFFULL) {n = n + 16; x = x << 16;} + if (x <= 0x00FFFFFFFFFFFFFFULL) {n = n + 8; x = x << 8;} + if (x <= 0x0FFFFFFFFFFFFFFFULL) {n = n + 4; x = x << 4;} + if (x <= 0x3FFFFFFFFFFFFFFFULL) {n = n + 2; x = x << 2;} + if (x <= 0x7FFFFFFFFFFFFFFFULL) {n = n + 1;} + + return n; +} + +/* + * Newer kernels have a div_u64() function but we define our own + * to simplify portibility between kernel versions. + */ +static inline uint64_t +__div_u64(uint64_t u, uint32_t v) +{ + (void) do_div(u, v); + return u; +} + +/* + * Implementation of 64-bit unsigned division for 32-bit machines. + * + * First the procedure takes care of the case in which the divisor is a + * 32-bit quantity. There are two subcases: (1) If the left half of the + * dividend is less than the divisor, one execution of do_div() is all that + * is required (overflow is not possible). (2) Otherwise it does two + * divisions, using the grade school method. + */ +uint64_t +__udivdi3(uint64_t u, uint64_t v) +{ + uint64_t u0, u1, v1, q0, q1, k; + int n; + + if (v >> 32 == 0) { // If v < 2**32: + if (u >> 32 < v) { // If u/v cannot overflow, + return __div_u64(u, v); // just do one division. + } else { // If u/v would overflow: + u1 = u >> 32; // Break u into two halves. + u0 = u & 0xFFFFFFFF; + q1 = __div_u64(u1, v); // First quotient digit. + k = u1 - q1 * v; // First remainder, < v. + u0 += (k << 32); + q0 = __div_u64(u0, v); // Seconds quotient digit. + return (q1 << 32) + q0; + } + } else { // If v >= 2**32: + n = nlz64(v); // 0 <= n <= 31. + v1 = (v << n) >> 32; // Normalize divisor, MSB is 1. + u1 = u >> 1; // To ensure no overflow. + q1 = __div_u64(u1, v1); // Get quotient from + q0 = (q1 << n) >> 31; // Undo normalization and + // division of u by 2. + if (q0 != 0) // Make q0 correct or + q0 = q0 - 1; // too small by 1. + if ((u - q0 * v) >= v) + q0 = q0 + 1; // Now q0 is correct. + + return q0; + } +} +EXPORT_SYMBOL(__udivdi3); + +/* + * Implementation of 64-bit signed division for 32-bit machines. + */ +int64_t +__divdi3(int64_t u, int64_t v) +{ + int64_t q, t; + q = __udivdi3(abs64(u), abs64(v)); + t = (u ^ v) >> 63; // If u, v have different + return (q ^ t) - t; // signs, negate q. +} +EXPORT_SYMBOL(__divdi3); + +/* + * Implementation of 64-bit unsigned modulo for 32-bit machines. + */ +uint64_t +__umoddi3(uint64_t dividend, uint64_t divisor) +{ + return (dividend - (divisor * __udivdi3(dividend, divisor))); +} +EXPORT_SYMBOL(__umoddi3); + +#if defined(__arm) || defined(__arm__) +/* + * Implementation of 64-bit (un)signed division for 32-bit arm machines. + * + * Run-time ABI for the ARM Architecture (page 20). A pair of (unsigned) + * long longs is returned in {{r0, r1}, {r2,r3}}, the quotient in {r0, r1}, + * and the remainder in {r2, r3}. The return type is specifically left + * set to 'void' to ensure the compiler does not overwrite these registers + * during the return. All results are in registers as per ABI + */ +void +__aeabi_uldivmod(uint64_t u, uint64_t v) +{ + uint64_t res; + uint64_t mod; + + res = __udivdi3(u, v); + mod = __umoddi3(u, v); + { + register uint32_t r0 asm("r0") = (res & 0xFFFFFFFF); + register uint32_t r1 asm("r1") = (res >> 32); + register uint32_t r2 asm("r2") = (mod & 0xFFFFFFFF); + register uint32_t r3 asm("r3") = (mod >> 32); + + asm volatile("" + : "+r"(r0), "+r"(r1), "+r"(r2),"+r"(r3) /* output */ + : "r"(r0), "r"(r1), "r"(r2), "r"(r3)); /* input */ + + return; /* r0; */ + } +} +EXPORT_SYMBOL(__aeabi_uldivmod); + +void +__aeabi_ldivmod(int64_t u, int64_t v) +{ + int64_t res; + uint64_t mod; + + res = __divdi3(u, v); + mod = __umoddi3(u, v); + { + register uint32_t r0 asm("r0") = (res & 0xFFFFFFFF); + register uint32_t r1 asm("r1") = (res >> 32); + register uint32_t r2 asm("r2") = (mod & 0xFFFFFFFF); + register uint32_t r3 asm("r3") = (mod >> 32); + + asm volatile("" + : "+r"(r0), "+r"(r1), "+r"(r2),"+r"(r3) /* output */ + : "r"(r0), "r"(r1), "r"(r2), "r"(r3)); /* input */ + + return; /* r0; */ + } +} +EXPORT_SYMBOL(__aeabi_ldivmod); +#endif /* __arm || __arm__ */ +#endif /* BITS_PER_LONG */ + +/* NOTE: The strtoxx behavior is solely based on my reading of the Solaris + * ddi_strtol(9F) man page. I have not verified the behavior of these + * functions against their Solaris counterparts. It is possible that I + * may have misinterpreted the man page or the man page is incorrect. + */ +int ddi_strtoul(const char *, char **, int, unsigned long *); +int ddi_strtol(const char *, char **, int, long *); +int ddi_strtoull(const char *, char **, int, unsigned long long *); +int ddi_strtoll(const char *, char **, int, long long *); + +#define define_ddi_strtoux(type, valtype) \ +int ddi_strtou##type(const char *str, char **endptr, \ + int base, valtype *result) \ +{ \ + valtype last_value, value = 0; \ + char *ptr = (char *)str; \ + int flag = 1, digit; \ + \ + if (strlen(ptr) == 0) \ + return EINVAL; \ + \ + /* Auto-detect base based on prefix */ \ + if (!base) { \ + if (str[0] == '0') { \ + if (tolower(str[1])=='x' && isxdigit(str[2])) { \ + base = 16; /* hex */ \ + ptr += 2; \ + } else if (str[1] >= '0' && str[1] < 8) { \ + base = 8; /* octal */ \ + ptr += 1; \ + } else { \ + return EINVAL; \ + } \ + } else { \ + base = 10; /* decimal */ \ + } \ + } \ + \ + while (1) { \ + if (isdigit(*ptr)) \ + digit = *ptr - '0'; \ + else if (isalpha(*ptr)) \ + digit = tolower(*ptr) - 'a' + 10; \ + else \ + break; \ + \ + if (digit >= base) \ + break; \ + \ + last_value = value; \ + value = value * base + digit; \ + if (last_value > value) /* Overflow */ \ + return ERANGE; \ + \ + flag = 1; \ + ptr++; \ + } \ + \ + if (flag) \ + *result = value; \ + \ + if (endptr) \ + *endptr = (char *)(flag ? ptr : str); \ + \ + return 0; \ +} \ + +#define define_ddi_strtox(type, valtype) \ +int ddi_strto##type(const char *str, char **endptr, \ + int base, valtype *result) \ +{ \ + int rc; \ + \ + if (*str == '-') { \ + rc = ddi_strtou##type(str + 1, endptr, base, result); \ + if (!rc) { \ + if (*endptr == str + 1) \ + *endptr = (char *)str; \ + else \ + *result = -*result; \ + } \ + } else { \ + rc = ddi_strtou##type(str, endptr, base, result); \ + } \ + \ + return rc; \ +} + +define_ddi_strtoux(l, unsigned long) +define_ddi_strtox(l, long) +define_ddi_strtoux(ll, unsigned long long) +define_ddi_strtox(ll, long long) + +EXPORT_SYMBOL(ddi_strtoul); +EXPORT_SYMBOL(ddi_strtol); +EXPORT_SYMBOL(ddi_strtoll); +EXPORT_SYMBOL(ddi_strtoull); + +int +ddi_copyin(const void *from, void *to, size_t len, int flags) +{ + /* Fake ioctl() issued by kernel, 'from' is a kernel address */ + if (flags & FKIOCTL) { + memcpy(to, from, len); + return 0; + } + + return copyin(from, to, len); +} +EXPORT_SYMBOL(ddi_copyin); + +int +ddi_copyout(const void *from, void *to, size_t len, int flags) +{ + /* Fake ioctl() issued by kernel, 'from' is a kernel address */ + if (flags & FKIOCTL) { + memcpy(to, from, len); + return 0; + } + + return copyout(from, to, len); +} +EXPORT_SYMBOL(ddi_copyout); + +#ifndef HAVE_PUT_TASK_STRUCT +/* + * This is only a stub function which should never be used. The SPL should + * never be putting away the last reference on a task structure so this will + * not be called. However, we still need to define it so the module does not + * have undefined symbol at load time. That all said if this impossible + * thing does somehow happen PANIC immediately so we know about it. + */ +void +__put_task_struct(struct task_struct *t) +{ + PANIC("Unexpectly put last reference on task %d\n", (int)t->pid); +} +EXPORT_SYMBOL(__put_task_struct); +#endif /* HAVE_PUT_TASK_STRUCT */ + +/* + * Read the unique system identifier from the /etc/hostid file. + * + * The behavior of /usr/bin/hostid on Linux systems with the + * regular eglibc and coreutils is: + * + * 1. Generate the value if the /etc/hostid file does not exist + * or if the /etc/hostid file is less than four bytes in size. + * + * 2. If the /etc/hostid file is at least 4 bytes, then return + * the first four bytes [0..3] in native endian order. + * + * 3. Always ignore bytes [4..] if they exist in the file. + * + * Only the first four bytes are significant, even on systems that + * have a 64-bit word size. + * + * See: + * + * eglibc: sysdeps/unix/sysv/linux/gethostid.c + * coreutils: src/hostid.c + * + * Notes: + * + * The /etc/hostid file on Solaris is a text file that often reads: + * + * # DO NOT EDIT + * "0123456789" + * + * Directly copying this file to Linux results in a constant + * hostid of 4f442023 because the default comment constitutes + * the first four bytes of the file. + * + */ + +char *spl_hostid_path = HW_HOSTID_PATH; +module_param(spl_hostid_path, charp, 0444); +MODULE_PARM_DESC(spl_hostid_path, "The system hostid file (/etc/hostid)"); + +static int +hostid_read(void) +{ + int result; + uint64_t size; + struct _buf *file; + uint32_t hostid = 0; + + file = kobj_open_file(spl_hostid_path); + + if (file == (struct _buf *)-1) + return -1; + + result = kobj_get_filesize(file, &size); + + if (result != 0) { + printk(KERN_WARNING + "SPL: kobj_get_filesize returned %i on %s\n", + result, spl_hostid_path); + kobj_close_file(file); + return -2; + } + + if (size < sizeof(HW_HOSTID_MASK)) { + printk(KERN_WARNING + "SPL: Ignoring the %s file because it is %llu bytes; " + "expecting %lu bytes instead.\n", spl_hostid_path, + size, (unsigned long)sizeof(HW_HOSTID_MASK)); + kobj_close_file(file); + return -3; + } + + /* Read directly into the variable like eglibc does. */ + /* Short reads are okay; native behavior is preserved. */ + result = kobj_read_file(file, (char *)&hostid, sizeof(hostid), 0); + + if (result < 0) { + printk(KERN_WARNING + "SPL: kobj_read_file returned %i on %s\n", + result, spl_hostid_path); + kobj_close_file(file); + return -4; + } + + /* Mask down to 32 bits like coreutils does. */ + spl_hostid = hostid & HW_HOSTID_MASK; + kobj_close_file(file); + return 0; +} + +uint32_t +zone_get_hostid(void *zone) +{ + static int first = 1; + + /* Only the global zone is supported */ + ASSERT(zone == NULL); + + if (first) { + first = 0; + + spl_hostid &= HW_HOSTID_MASK; + /* + * Get the hostid if it was not passed as a module parameter. + * Try reading the /etc/hostid file directly. + */ + if (spl_hostid == 0 && hostid_read()) + spl_hostid = 0; + + + printk(KERN_NOTICE "SPL: using hostid 0x%08x\n", + (unsigned int) spl_hostid); + } + + return spl_hostid; +} +EXPORT_SYMBOL(zone_get_hostid); + +static int +spl_kvmem_init(void) +{ + int rc = 0; + + rc = spl_kmem_init(); + if (rc) + goto out1; + + rc = spl_vmem_init(); + if (rc) + goto out2; + + rc = spl_kmem_cache_init(); + if (rc) + goto out3; + + return (rc); +out3: + spl_vmem_fini(); +out2: + spl_kmem_fini(); +out1: + return (rc); +} + +static void +spl_kvmem_fini(void) +{ + spl_kmem_cache_fini(); + spl_vmem_fini(); + spl_kmem_fini(); +} + +static int __init +spl_init(void) +{ + int rc = 0; + + bzero(&p0, sizeof (proc_t)); + + if ((rc = spl_kvmem_init())) + goto out1; + + if ((rc = spl_mutex_init())) + goto out2; + + if ((rc = spl_rw_init())) + goto out3; + + if ((rc = spl_taskq_init())) + goto out4; + + if ((rc = spl_vn_init())) + goto out5; + + if ((rc = spl_proc_init())) + goto out6; + + if ((rc = spl_kstat_init())) + goto out7; + + if ((rc = spl_tsd_init())) + goto out8; + + if ((rc = spl_zlib_init())) + goto out9; + + printk(KERN_NOTICE "SPL: Loaded module v%s-%s%s\n", SPL_META_VERSION, + SPL_META_RELEASE, SPL_DEBUG_STR); + return (rc); + +out9: + spl_tsd_fini(); +out8: + spl_kstat_fini(); +out7: + spl_proc_fini(); +out6: + spl_vn_fini(); +out5: + spl_taskq_fini(); +out4: + spl_rw_fini(); +out3: + spl_mutex_fini(); +out2: + spl_kvmem_fini(); +out1: + printk(KERN_NOTICE "SPL: Failed to Load Solaris Porting Layer " + "v%s-%s%s, rc = %d\n", SPL_META_VERSION, SPL_META_RELEASE, + SPL_DEBUG_STR, rc); + + return (rc); +} + +static void __exit +spl_fini(void) +{ + printk(KERN_NOTICE "SPL: Unloaded module v%s-%s%s\n", + SPL_META_VERSION, SPL_META_RELEASE, SPL_DEBUG_STR); + spl_zlib_fini(); + spl_tsd_fini(); + spl_kstat_fini(); + spl_proc_fini(); + spl_vn_fini(); + spl_taskq_fini(); + spl_rw_fini(); + spl_mutex_fini(); + spl_kvmem_fini(); +} + +module_init(spl_init); +module_exit(spl_fini); + +MODULE_DESCRIPTION("Solaris Porting Layer"); +MODULE_AUTHOR(SPL_META_AUTHOR); +MODULE_LICENSE(SPL_META_LICENSE); +MODULE_VERSION(SPL_META_VERSION "-" SPL_META_RELEASE); diff --git a/spl/module/spl/spl-kmem-cache.c b/spl/module/spl/spl-kmem-cache.c new file mode 100644 index 000000000000..b58f128cbde5 --- /dev/null +++ b/spl/module/spl/spl-kmem-cache.c @@ -0,0 +1,1734 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Within the scope of spl-kmem.c file the kmem_cache_* definitions + * are removed to allow access to the real Linux slab allocator. + */ +#undef kmem_cache_destroy +#undef kmem_cache_create +#undef kmem_cache_alloc +#undef kmem_cache_free + + +/* + * Linux 3.16 replaced smp_mb__{before,after}_{atomic,clear}_{dec,inc,bit}() + * with smp_mb__{before,after}_atomic() because they were redundant. This is + * only used inside our SLAB allocator, so we implement an internal wrapper + * here to give us smp_mb__{before,after}_atomic() on older kernels. + */ +#ifndef smp_mb__before_atomic +#define smp_mb__before_atomic(x) smp_mb__before_clear_bit(x) +#endif + +#ifndef smp_mb__after_atomic +#define smp_mb__after_atomic(x) smp_mb__after_clear_bit(x) +#endif + +/* + * Cache expiration was implemented because it was part of the default Solaris + * kmem_cache behavior. The idea is that per-cpu objects which haven't been + * accessed in several seconds should be returned to the cache. On the other + * hand Linux slabs never move objects back to the slabs unless there is + * memory pressure on the system. By default the Linux method is enabled + * because it has been shown to improve responsiveness on low memory systems. + * This policy may be changed by setting KMC_EXPIRE_AGE or KMC_EXPIRE_MEM. + */ +unsigned int spl_kmem_cache_expire = KMC_EXPIRE_MEM; +EXPORT_SYMBOL(spl_kmem_cache_expire); +module_param(spl_kmem_cache_expire, uint, 0644); +MODULE_PARM_DESC(spl_kmem_cache_expire, "By age (0x1) or low memory (0x2)"); + +/* + * Cache magazines are an optimization designed to minimize the cost of + * allocating memory. They do this by keeping a per-cpu cache of recently + * freed objects, which can then be reallocated without taking a lock. This + * can improve performance on highly contended caches. However, because + * objects in magazines will prevent otherwise empty slabs from being + * immediately released this may not be ideal for low memory machines. + * + * For this reason spl_kmem_cache_magazine_size can be used to set a maximum + * magazine size. When this value is set to 0 the magazine size will be + * automatically determined based on the object size. Otherwise magazines + * will be limited to 2-256 objects per magazine (i.e per cpu). Magazines + * may never be entirely disabled in this implementation. + */ +unsigned int spl_kmem_cache_magazine_size = 0; +module_param(spl_kmem_cache_magazine_size, uint, 0444); +MODULE_PARM_DESC(spl_kmem_cache_magazine_size, + "Default magazine size (2-256), set automatically (0)\n"); + +/* + * The default behavior is to report the number of objects remaining in the + * cache. This allows the Linux VM to repeatedly reclaim objects from the + * cache when memory is low satisfy other memory allocations. Alternately, + * setting this value to KMC_RECLAIM_ONCE limits how aggressively the cache + * is reclaimed. This may increase the likelihood of out of memory events. + */ +unsigned int spl_kmem_cache_reclaim = 0 /* KMC_RECLAIM_ONCE */; +module_param(spl_kmem_cache_reclaim, uint, 0644); +MODULE_PARM_DESC(spl_kmem_cache_reclaim, "Single reclaim pass (0x1)"); + +unsigned int spl_kmem_cache_obj_per_slab = SPL_KMEM_CACHE_OBJ_PER_SLAB; +module_param(spl_kmem_cache_obj_per_slab, uint, 0644); +MODULE_PARM_DESC(spl_kmem_cache_obj_per_slab, "Number of objects per slab"); + +unsigned int spl_kmem_cache_obj_per_slab_min = SPL_KMEM_CACHE_OBJ_PER_SLAB_MIN; +module_param(spl_kmem_cache_obj_per_slab_min, uint, 0644); +MODULE_PARM_DESC(spl_kmem_cache_obj_per_slab_min, + "Minimal number of objects per slab"); + +unsigned int spl_kmem_cache_max_size = SPL_KMEM_CACHE_MAX_SIZE; +module_param(spl_kmem_cache_max_size, uint, 0644); +MODULE_PARM_DESC(spl_kmem_cache_max_size, "Maximum size of slab in MB"); + +/* + * For small objects the Linux slab allocator should be used to make the most + * efficient use of the memory. However, large objects are not supported by + * the Linux slab and therefore the SPL implementation is preferred. A cutoff + * of 16K was determined to be optimal for architectures using 4K pages. + */ +#if PAGE_SIZE == 4096 +unsigned int spl_kmem_cache_slab_limit = 16384; +#else +unsigned int spl_kmem_cache_slab_limit = 0; +#endif +module_param(spl_kmem_cache_slab_limit, uint, 0644); +MODULE_PARM_DESC(spl_kmem_cache_slab_limit, + "Objects less than N bytes use the Linux slab"); + +/* + * This value defaults to a threshold designed to avoid allocations which + * have been deemed costly by the kernel. + */ +unsigned int spl_kmem_cache_kmem_limit = + ((1 << (PAGE_ALLOC_COSTLY_ORDER - 1)) * PAGE_SIZE) / + SPL_KMEM_CACHE_OBJ_PER_SLAB; +module_param(spl_kmem_cache_kmem_limit, uint, 0644); +MODULE_PARM_DESC(spl_kmem_cache_kmem_limit, + "Objects less than N bytes use the kmalloc"); + +/* + * The number of threads available to allocate new slabs for caches. This + * should not need to be tuned but it is available for performance analysis. + */ +unsigned int spl_kmem_cache_kmem_threads = 4; +module_param(spl_kmem_cache_kmem_threads, uint, 0444); +MODULE_PARM_DESC(spl_kmem_cache_kmem_threads, + "Number of spl_kmem_cache threads"); + +/* + * Slab allocation interfaces + * + * While the Linux slab implementation was inspired by the Solaris + * implementation I cannot use it to emulate the Solaris APIs. I + * require two features which are not provided by the Linux slab. + * + * 1) Constructors AND destructors. Recent versions of the Linux + * kernel have removed support for destructors. This is a deal + * breaker for the SPL which contains particularly expensive + * initializers for mutex's, condition variables, etc. We also + * require a minimal level of cleanup for these data types unlike + * many Linux data types which do need to be explicitly destroyed. + * + * 2) Virtual address space backed slab. Callers of the Solaris slab + * expect it to work well for both small are very large allocations. + * Because of memory fragmentation the Linux slab which is backed + * by kmalloc'ed memory performs very badly when confronted with + * large numbers of large allocations. Basing the slab on the + * virtual address space removes the need for contiguous pages + * and greatly improve performance for large allocations. + * + * For these reasons, the SPL has its own slab implementation with + * the needed features. It is not as highly optimized as either the + * Solaris or Linux slabs, but it should get me most of what is + * needed until it can be optimized or obsoleted by another approach. + * + * One serious concern I do have about this method is the relatively + * small virtual address space on 32bit arches. This will seriously + * constrain the size of the slab caches and their performance. + */ + +struct list_head spl_kmem_cache_list; /* List of caches */ +struct rw_semaphore spl_kmem_cache_sem; /* Cache list lock */ +taskq_t *spl_kmem_cache_taskq; /* Task queue for ageing / reclaim */ + +static void spl_cache_shrink(spl_kmem_cache_t *skc, void *obj); + +SPL_SHRINKER_CALLBACK_FWD_DECLARE(spl_kmem_cache_generic_shrinker); +SPL_SHRINKER_DECLARE(spl_kmem_cache_shrinker, + spl_kmem_cache_generic_shrinker, KMC_DEFAULT_SEEKS); + +static void * +kv_alloc(spl_kmem_cache_t *skc, int size, int flags) +{ + gfp_t lflags = kmem_flags_convert(flags); + void *ptr; + + if (skc->skc_flags & KMC_KMEM) { + ASSERT(ISP2(size)); + ptr = (void *)__get_free_pages(lflags, get_order(size)); + } else { + ptr = __vmalloc(size, lflags | __GFP_HIGHMEM, PAGE_KERNEL); + } + + /* Resulting allocated memory will be page aligned */ + ASSERT(IS_P2ALIGNED(ptr, PAGE_SIZE)); + + return (ptr); +} + +static void +kv_free(spl_kmem_cache_t *skc, void *ptr, int size) +{ + ASSERT(IS_P2ALIGNED(ptr, PAGE_SIZE)); + + /* + * The Linux direct reclaim path uses this out of band value to + * determine if forward progress is being made. Normally this is + * incremented by kmem_freepages() which is part of the various + * Linux slab implementations. However, since we are using none + * of that infrastructure we are responsible for incrementing it. + */ + if (current->reclaim_state) + current->reclaim_state->reclaimed_slab += size >> PAGE_SHIFT; + + if (skc->skc_flags & KMC_KMEM) { + ASSERT(ISP2(size)); + free_pages((unsigned long)ptr, get_order(size)); + } else { + vfree(ptr); + } +} + +/* + * Required space for each aligned sks. + */ +static inline uint32_t +spl_sks_size(spl_kmem_cache_t *skc) +{ + return (P2ROUNDUP_TYPED(sizeof (spl_kmem_slab_t), + skc->skc_obj_align, uint32_t)); +} + +/* + * Required space for each aligned object. + */ +static inline uint32_t +spl_obj_size(spl_kmem_cache_t *skc) +{ + uint32_t align = skc->skc_obj_align; + + return (P2ROUNDUP_TYPED(skc->skc_obj_size, align, uint32_t) + + P2ROUNDUP_TYPED(sizeof (spl_kmem_obj_t), align, uint32_t)); +} + +/* + * Lookup the spl_kmem_object_t for an object given that object. + */ +static inline spl_kmem_obj_t * +spl_sko_from_obj(spl_kmem_cache_t *skc, void *obj) +{ + return (obj + P2ROUNDUP_TYPED(skc->skc_obj_size, + skc->skc_obj_align, uint32_t)); +} + +/* + * Required space for each offslab object taking in to account alignment + * restrictions and the power-of-two requirement of kv_alloc(). + */ +static inline uint32_t +spl_offslab_size(spl_kmem_cache_t *skc) +{ + return (1UL << (fls64(spl_obj_size(skc)) + 1)); +} + +/* + * It's important that we pack the spl_kmem_obj_t structure and the + * actual objects in to one large address space to minimize the number + * of calls to the allocator. It is far better to do a few large + * allocations and then subdivide it ourselves. Now which allocator + * we use requires balancing a few trade offs. + * + * For small objects we use kmem_alloc() because as long as you are + * only requesting a small number of pages (ideally just one) its cheap. + * However, when you start requesting multiple pages with kmem_alloc() + * it gets increasingly expensive since it requires contiguous pages. + * For this reason we shift to vmem_alloc() for slabs of large objects + * which removes the need for contiguous pages. We do not use + * vmem_alloc() in all cases because there is significant locking + * overhead in __get_vm_area_node(). This function takes a single + * global lock when acquiring an available virtual address range which + * serializes all vmem_alloc()'s for all slab caches. Using slightly + * different allocation functions for small and large objects should + * give us the best of both worlds. + * + * KMC_ONSLAB KMC_OFFSLAB + * + * +------------------------+ +-----------------+ + * | spl_kmem_slab_t --+-+ | | spl_kmem_slab_t |---+-+ + * | skc_obj_size <-+ | | +-----------------+ | | + * | spl_kmem_obj_t | | | | + * | skc_obj_size <---+ | +-----------------+ | | + * | spl_kmem_obj_t | | | skc_obj_size | <-+ | + * | ... v | | spl_kmem_obj_t | | + * +------------------------+ +-----------------+ v + */ +static spl_kmem_slab_t * +spl_slab_alloc(spl_kmem_cache_t *skc, int flags) +{ + spl_kmem_slab_t *sks; + spl_kmem_obj_t *sko, *n; + void *base, *obj; + uint32_t obj_size, offslab_size = 0; + int i, rc = 0; + + base = kv_alloc(skc, skc->skc_slab_size, flags); + if (base == NULL) + return (NULL); + + sks = (spl_kmem_slab_t *)base; + sks->sks_magic = SKS_MAGIC; + sks->sks_objs = skc->skc_slab_objs; + sks->sks_age = jiffies; + sks->sks_cache = skc; + INIT_LIST_HEAD(&sks->sks_list); + INIT_LIST_HEAD(&sks->sks_free_list); + sks->sks_ref = 0; + obj_size = spl_obj_size(skc); + + if (skc->skc_flags & KMC_OFFSLAB) + offslab_size = spl_offslab_size(skc); + + for (i = 0; i < sks->sks_objs; i++) { + if (skc->skc_flags & KMC_OFFSLAB) { + obj = kv_alloc(skc, offslab_size, flags); + if (!obj) { + rc = -ENOMEM; + goto out; + } + } else { + obj = base + spl_sks_size(skc) + (i * obj_size); + } + + ASSERT(IS_P2ALIGNED(obj, skc->skc_obj_align)); + sko = spl_sko_from_obj(skc, obj); + sko->sko_addr = obj; + sko->sko_magic = SKO_MAGIC; + sko->sko_slab = sks; + INIT_LIST_HEAD(&sko->sko_list); + list_add_tail(&sko->sko_list, &sks->sks_free_list); + } + +out: + if (rc) { + if (skc->skc_flags & KMC_OFFSLAB) + list_for_each_entry_safe(sko, + n, &sks->sks_free_list, sko_list) + kv_free(skc, sko->sko_addr, offslab_size); + + kv_free(skc, base, skc->skc_slab_size); + sks = NULL; + } + + return (sks); +} + +/* + * Remove a slab from complete or partial list, it must be called with + * the 'skc->skc_lock' held but the actual free must be performed + * outside the lock to prevent deadlocking on vmem addresses. + */ +static void +spl_slab_free(spl_kmem_slab_t *sks, + struct list_head *sks_list, struct list_head *sko_list) +{ + spl_kmem_cache_t *skc; + + ASSERT(sks->sks_magic == SKS_MAGIC); + ASSERT(sks->sks_ref == 0); + + skc = sks->sks_cache; + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(spin_is_locked(&skc->skc_lock)); + + /* + * Update slab/objects counters in the cache, then remove the + * slab from the skc->skc_partial_list. Finally add the slab + * and all its objects in to the private work lists where the + * destructors will be called and the memory freed to the system. + */ + skc->skc_obj_total -= sks->sks_objs; + skc->skc_slab_total--; + list_del(&sks->sks_list); + list_add(&sks->sks_list, sks_list); + list_splice_init(&sks->sks_free_list, sko_list); +} + +/* + * Reclaim empty slabs at the end of the partial list. + */ +static void +spl_slab_reclaim(spl_kmem_cache_t *skc) +{ + spl_kmem_slab_t *sks, *m; + spl_kmem_obj_t *sko, *n; + LIST_HEAD(sks_list); + LIST_HEAD(sko_list); + uint32_t size = 0; + + /* + * Empty slabs and objects must be moved to a private list so they + * can be safely freed outside the spin lock. All empty slabs are + * at the end of skc->skc_partial_list, therefore once a non-empty + * slab is found we can stop scanning. + */ + spin_lock(&skc->skc_lock); + list_for_each_entry_safe_reverse(sks, m, + &skc->skc_partial_list, sks_list) { + + if (sks->sks_ref > 0) + break; + + spl_slab_free(sks, &sks_list, &sko_list); + } + spin_unlock(&skc->skc_lock); + + /* + * The following two loops ensure all the object destructors are + * run, any offslab objects are freed, and the slabs themselves + * are freed. This is all done outside the skc->skc_lock since + * this allows the destructor to sleep, and allows us to perform + * a conditional reschedule when a freeing a large number of + * objects and slabs back to the system. + */ + if (skc->skc_flags & KMC_OFFSLAB) + size = spl_offslab_size(skc); + + list_for_each_entry_safe(sko, n, &sko_list, sko_list) { + ASSERT(sko->sko_magic == SKO_MAGIC); + + if (skc->skc_flags & KMC_OFFSLAB) + kv_free(skc, sko->sko_addr, size); + } + + list_for_each_entry_safe(sks, m, &sks_list, sks_list) { + ASSERT(sks->sks_magic == SKS_MAGIC); + kv_free(skc, sks, skc->skc_slab_size); + } +} + +static spl_kmem_emergency_t * +spl_emergency_search(struct rb_root *root, void *obj) +{ + struct rb_node *node = root->rb_node; + spl_kmem_emergency_t *ske; + unsigned long address = (unsigned long)obj; + + while (node) { + ske = container_of(node, spl_kmem_emergency_t, ske_node); + + if (address < ske->ske_obj) + node = node->rb_left; + else if (address > ske->ske_obj) + node = node->rb_right; + else + return (ske); + } + + return (NULL); +} + +static int +spl_emergency_insert(struct rb_root *root, spl_kmem_emergency_t *ske) +{ + struct rb_node **new = &(root->rb_node), *parent = NULL; + spl_kmem_emergency_t *ske_tmp; + unsigned long address = ske->ske_obj; + + while (*new) { + ske_tmp = container_of(*new, spl_kmem_emergency_t, ske_node); + + parent = *new; + if (address < ske_tmp->ske_obj) + new = &((*new)->rb_left); + else if (address > ske_tmp->ske_obj) + new = &((*new)->rb_right); + else + return (0); + } + + rb_link_node(&ske->ske_node, parent, new); + rb_insert_color(&ske->ske_node, root); + + return (1); +} + +/* + * Allocate a single emergency object and track it in a red black tree. + */ +static int +spl_emergency_alloc(spl_kmem_cache_t *skc, int flags, void **obj) +{ + gfp_t lflags = kmem_flags_convert(flags); + spl_kmem_emergency_t *ske; + int order = get_order(skc->skc_obj_size); + int empty; + + /* Last chance use a partial slab if one now exists */ + spin_lock(&skc->skc_lock); + empty = list_empty(&skc->skc_partial_list); + spin_unlock(&skc->skc_lock); + if (!empty) + return (-EEXIST); + + ske = kmalloc(sizeof (*ske), lflags); + if (ske == NULL) + return (-ENOMEM); + + ske->ske_obj = __get_free_pages(lflags, order); + if (ske->ske_obj == 0) { + kfree(ske); + return (-ENOMEM); + } + + spin_lock(&skc->skc_lock); + empty = spl_emergency_insert(&skc->skc_emergency_tree, ske); + if (likely(empty)) { + skc->skc_obj_total++; + skc->skc_obj_emergency++; + if (skc->skc_obj_emergency > skc->skc_obj_emergency_max) + skc->skc_obj_emergency_max = skc->skc_obj_emergency; + } + spin_unlock(&skc->skc_lock); + + if (unlikely(!empty)) { + free_pages(ske->ske_obj, order); + kfree(ske); + return (-EINVAL); + } + + *obj = (void *)ske->ske_obj; + + return (0); +} + +/* + * Locate the passed object in the red black tree and free it. + */ +static int +spl_emergency_free(spl_kmem_cache_t *skc, void *obj) +{ + spl_kmem_emergency_t *ske; + int order = get_order(skc->skc_obj_size); + + spin_lock(&skc->skc_lock); + ske = spl_emergency_search(&skc->skc_emergency_tree, obj); + if (ske) { + rb_erase(&ske->ske_node, &skc->skc_emergency_tree); + skc->skc_obj_emergency--; + skc->skc_obj_total--; + } + spin_unlock(&skc->skc_lock); + + if (ske == NULL) + return (-ENOENT); + + free_pages(ske->ske_obj, order); + kfree(ske); + + return (0); +} + +/* + * Release objects from the per-cpu magazine back to their slab. The flush + * argument contains the max number of entries to remove from the magazine. + */ +static void +__spl_cache_flush(spl_kmem_cache_t *skc, spl_kmem_magazine_t *skm, int flush) +{ + int i, count = MIN(flush, skm->skm_avail); + + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(skm->skm_magic == SKM_MAGIC); + ASSERT(spin_is_locked(&skc->skc_lock)); + + for (i = 0; i < count; i++) + spl_cache_shrink(skc, skm->skm_objs[i]); + + skm->skm_avail -= count; + memmove(skm->skm_objs, &(skm->skm_objs[count]), + sizeof (void *) * skm->skm_avail); +} + +static void +spl_cache_flush(spl_kmem_cache_t *skc, spl_kmem_magazine_t *skm, int flush) +{ + spin_lock(&skc->skc_lock); + __spl_cache_flush(skc, skm, flush); + spin_unlock(&skc->skc_lock); +} + +static void +spl_magazine_age(void *data) +{ + spl_kmem_cache_t *skc = (spl_kmem_cache_t *)data; + spl_kmem_magazine_t *skm = skc->skc_mag[smp_processor_id()]; + + ASSERT(skm->skm_magic == SKM_MAGIC); + ASSERT(skm->skm_cpu == smp_processor_id()); + ASSERT(irqs_disabled()); + + /* There are no available objects or they are too young to age out */ + if ((skm->skm_avail == 0) || + time_before(jiffies, skm->skm_age + skc->skc_delay * HZ)) + return; + + /* + * Because we're executing in interrupt context we may have + * interrupted the holder of this lock. To avoid a potential + * deadlock return if the lock is contended. + */ + if (!spin_trylock(&skc->skc_lock)) + return; + + __spl_cache_flush(skc, skm, skm->skm_refill); + spin_unlock(&skc->skc_lock); +} + +/* + * Called regularly to keep a downward pressure on the cache. + * + * Objects older than skc->skc_delay seconds in the per-cpu magazines will + * be returned to the caches. This is done to prevent idle magazines from + * holding memory which could be better used elsewhere. The delay is + * present to prevent thrashing the magazine. + * + * The newly released objects may result in empty partial slabs. Those + * slabs should be released to the system. Otherwise moving the objects + * out of the magazines is just wasted work. + */ +static void +spl_cache_age(void *data) +{ + spl_kmem_cache_t *skc = (spl_kmem_cache_t *)data; + taskqid_t id = 0; + + ASSERT(skc->skc_magic == SKC_MAGIC); + + /* Dynamically disabled at run time */ + if (!(spl_kmem_cache_expire & KMC_EXPIRE_AGE)) + return; + + atomic_inc(&skc->skc_ref); + + if (!(skc->skc_flags & KMC_NOMAGAZINE)) + on_each_cpu(spl_magazine_age, skc, 1); + + spl_slab_reclaim(skc); + + while (!test_bit(KMC_BIT_DESTROY, &skc->skc_flags) && !id) { + id = taskq_dispatch_delay( + spl_kmem_cache_taskq, spl_cache_age, skc, TQ_SLEEP, + ddi_get_lbolt() + skc->skc_delay / 3 * HZ); + + /* Destroy issued after dispatch immediately cancel it */ + if (test_bit(KMC_BIT_DESTROY, &skc->skc_flags) && id) + taskq_cancel_id(spl_kmem_cache_taskq, id); + } + + spin_lock(&skc->skc_lock); + skc->skc_taskqid = id; + spin_unlock(&skc->skc_lock); + + atomic_dec(&skc->skc_ref); +} + +/* + * Size a slab based on the size of each aligned object plus spl_kmem_obj_t. + * When on-slab we want to target spl_kmem_cache_obj_per_slab. However, + * for very small objects we may end up with more than this so as not + * to waste space in the minimal allocation of a single page. Also for + * very large objects we may use as few as spl_kmem_cache_obj_per_slab_min, + * lower than this and we will fail. + */ +static int +spl_slab_size(spl_kmem_cache_t *skc, uint32_t *objs, uint32_t *size) +{ + uint32_t sks_size, obj_size, max_size, tgt_size, tgt_objs; + + if (skc->skc_flags & KMC_OFFSLAB) { + tgt_objs = spl_kmem_cache_obj_per_slab; + tgt_size = P2ROUNDUP(sizeof (spl_kmem_slab_t), PAGE_SIZE); + + if ((skc->skc_flags & KMC_KMEM) && + (spl_obj_size(skc) > (SPL_MAX_ORDER_NR_PAGES * PAGE_SIZE))) + return (-ENOSPC); + } else { + sks_size = spl_sks_size(skc); + obj_size = spl_obj_size(skc); + max_size = (spl_kmem_cache_max_size * 1024 * 1024); + tgt_size = (spl_kmem_cache_obj_per_slab * obj_size + sks_size); + + /* + * KMC_KMEM slabs are allocated by __get_free_pages() which + * rounds up to the nearest order. Knowing this the size + * should be rounded up to the next power of two with a hard + * maximum defined by the maximum allowed allocation order. + */ + if (skc->skc_flags & KMC_KMEM) { + max_size = SPL_MAX_ORDER_NR_PAGES * PAGE_SIZE; + tgt_size = MIN(max_size, + PAGE_SIZE * (1 << MAX(get_order(tgt_size) - 1, 1))); + } + + if (tgt_size <= max_size) { + tgt_objs = (tgt_size - sks_size) / obj_size; + } else { + tgt_objs = (max_size - sks_size) / obj_size; + tgt_size = (tgt_objs * obj_size) + sks_size; + } + } + + if (tgt_objs == 0) + return (-ENOSPC); + + *objs = tgt_objs; + *size = tgt_size; + + return (0); +} + +/* + * Make a guess at reasonable per-cpu magazine size based on the size of + * each object and the cost of caching N of them in each magazine. Long + * term this should really adapt based on an observed usage heuristic. + */ +static int +spl_magazine_size(spl_kmem_cache_t *skc) +{ + uint32_t obj_size = spl_obj_size(skc); + int size; + + if (spl_kmem_cache_magazine_size > 0) + return (MAX(MIN(spl_kmem_cache_magazine_size, 256), 2)); + + /* Per-magazine sizes below assume a 4Kib page size */ + if (obj_size > (PAGE_SIZE * 256)) + size = 4; /* Minimum 4Mib per-magazine */ + else if (obj_size > (PAGE_SIZE * 32)) + size = 16; /* Minimum 2Mib per-magazine */ + else if (obj_size > (PAGE_SIZE)) + size = 64; /* Minimum 256Kib per-magazine */ + else if (obj_size > (PAGE_SIZE / 4)) + size = 128; /* Minimum 128Kib per-magazine */ + else + size = 256; + + return (size); +} + +/* + * Allocate a per-cpu magazine to associate with a specific core. + */ +static spl_kmem_magazine_t * +spl_magazine_alloc(spl_kmem_cache_t *skc, int cpu) +{ + spl_kmem_magazine_t *skm; + int size = sizeof (spl_kmem_magazine_t) + + sizeof (void *) * skc->skc_mag_size; + + skm = kmalloc_node(size, GFP_KERNEL, cpu_to_node(cpu)); + if (skm) { + skm->skm_magic = SKM_MAGIC; + skm->skm_avail = 0; + skm->skm_size = skc->skc_mag_size; + skm->skm_refill = skc->skc_mag_refill; + skm->skm_cache = skc; + skm->skm_age = jiffies; + skm->skm_cpu = cpu; + } + + return (skm); +} + +/* + * Free a per-cpu magazine associated with a specific core. + */ +static void +spl_magazine_free(spl_kmem_magazine_t *skm) +{ + ASSERT(skm->skm_magic == SKM_MAGIC); + ASSERT(skm->skm_avail == 0); + kfree(skm); +} + +/* + * Create all pre-cpu magazines of reasonable sizes. + */ +static int +spl_magazine_create(spl_kmem_cache_t *skc) +{ + int i; + + if (skc->skc_flags & KMC_NOMAGAZINE) + return (0); + + skc->skc_mag = kzalloc(sizeof (spl_kmem_magazine_t *) * + num_possible_cpus(), kmem_flags_convert(KM_SLEEP)); + skc->skc_mag_size = spl_magazine_size(skc); + skc->skc_mag_refill = (skc->skc_mag_size + 1) / 2; + + for_each_possible_cpu(i) { + skc->skc_mag[i] = spl_magazine_alloc(skc, i); + if (!skc->skc_mag[i]) { + for (i--; i >= 0; i--) + spl_magazine_free(skc->skc_mag[i]); + + kfree(skc->skc_mag); + return (-ENOMEM); + } + } + + return (0); +} + +/* + * Destroy all pre-cpu magazines. + */ +static void +spl_magazine_destroy(spl_kmem_cache_t *skc) +{ + spl_kmem_magazine_t *skm; + int i; + + if (skc->skc_flags & KMC_NOMAGAZINE) + return; + + for_each_possible_cpu(i) { + skm = skc->skc_mag[i]; + spl_cache_flush(skc, skm, skm->skm_avail); + spl_magazine_free(skm); + } + + kfree(skc->skc_mag); +} + +/* + * Create a object cache based on the following arguments: + * name cache name + * size cache object size + * align cache object alignment + * ctor cache object constructor + * dtor cache object destructor + * reclaim cache object reclaim + * priv cache private data for ctor/dtor/reclaim + * vmp unused must be NULL + * flags + * KMC_NOTOUCH Disable cache object aging (unsupported) + * KMC_NODEBUG Disable debugging (unsupported) + * KMC_NOHASH Disable hashing (unsupported) + * KMC_QCACHE Disable qcache (unsupported) + * KMC_NOMAGAZINE Enabled for kmem/vmem, Disabled for Linux slab + * KMC_KMEM Force kmem backed cache + * KMC_VMEM Force vmem backed cache + * KMC_SLAB Force Linux slab backed cache + * KMC_OFFSLAB Locate objects off the slab + */ +spl_kmem_cache_t * +spl_kmem_cache_create(char *name, size_t size, size_t align, + spl_kmem_ctor_t ctor, spl_kmem_dtor_t dtor, spl_kmem_reclaim_t reclaim, + void *priv, void *vmp, int flags) +{ + gfp_t lflags = kmem_flags_convert(KM_SLEEP); + spl_kmem_cache_t *skc; + int rc; + + /* + * Unsupported flags + */ + ASSERT0(flags & KMC_NOMAGAZINE); + ASSERT0(flags & KMC_NOHASH); + ASSERT0(flags & KMC_QCACHE); + ASSERT(vmp == NULL); + + might_sleep(); + + skc = kzalloc(sizeof (*skc), lflags); + if (skc == NULL) + return (NULL); + + skc->skc_magic = SKC_MAGIC; + skc->skc_name_size = strlen(name) + 1; + skc->skc_name = (char *)kmalloc(skc->skc_name_size, lflags); + if (skc->skc_name == NULL) { + kfree(skc); + return (NULL); + } + strncpy(skc->skc_name, name, skc->skc_name_size); + + skc->skc_ctor = ctor; + skc->skc_dtor = dtor; + skc->skc_reclaim = reclaim; + skc->skc_private = priv; + skc->skc_vmp = vmp; + skc->skc_linux_cache = NULL; + skc->skc_flags = flags; + skc->skc_obj_size = size; + skc->skc_obj_align = SPL_KMEM_CACHE_ALIGN; + skc->skc_delay = SPL_KMEM_CACHE_DELAY; + skc->skc_reap = SPL_KMEM_CACHE_REAP; + atomic_set(&skc->skc_ref, 0); + + INIT_LIST_HEAD(&skc->skc_list); + INIT_LIST_HEAD(&skc->skc_complete_list); + INIT_LIST_HEAD(&skc->skc_partial_list); + skc->skc_emergency_tree = RB_ROOT; + spin_lock_init(&skc->skc_lock); + init_waitqueue_head(&skc->skc_waitq); + skc->skc_slab_fail = 0; + skc->skc_slab_create = 0; + skc->skc_slab_destroy = 0; + skc->skc_slab_total = 0; + skc->skc_slab_alloc = 0; + skc->skc_slab_max = 0; + skc->skc_obj_total = 0; + skc->skc_obj_alloc = 0; + skc->skc_obj_max = 0; + skc->skc_obj_deadlock = 0; + skc->skc_obj_emergency = 0; + skc->skc_obj_emergency_max = 0; + + /* + * Verify the requested alignment restriction is sane. + */ + if (align) { + VERIFY(ISP2(align)); + VERIFY3U(align, >=, SPL_KMEM_CACHE_ALIGN); + VERIFY3U(align, <=, PAGE_SIZE); + skc->skc_obj_align = align; + } + + /* + * When no specific type of slab is requested (kmem, vmem, or + * linuxslab) then select a cache type based on the object size + * and default tunables. + */ + if (!(skc->skc_flags & (KMC_KMEM | KMC_VMEM | KMC_SLAB))) { + + /* + * Objects smaller than spl_kmem_cache_slab_limit can + * use the Linux slab for better space-efficiency. By + * default this functionality is disabled until its + * performance characteristics are fully understood. + */ + if (spl_kmem_cache_slab_limit && + size <= (size_t)spl_kmem_cache_slab_limit) + skc->skc_flags |= KMC_SLAB; + + /* + * Small objects, less than spl_kmem_cache_kmem_limit per + * object should use kmem because their slabs are small. + */ + else if (spl_obj_size(skc) <= spl_kmem_cache_kmem_limit) + skc->skc_flags |= KMC_KMEM; + + /* + * All other objects are considered large and are placed + * on vmem backed slabs. + */ + else + skc->skc_flags |= KMC_VMEM; + } + + /* + * Given the type of slab allocate the required resources. + */ + if (skc->skc_flags & (KMC_KMEM | KMC_VMEM)) { + rc = spl_slab_size(skc, + &skc->skc_slab_objs, &skc->skc_slab_size); + if (rc) + goto out; + + rc = spl_magazine_create(skc); + if (rc) + goto out; + } else { + unsigned long slabflags = 0; + + if (size > (SPL_MAX_KMEM_ORDER_NR_PAGES * PAGE_SIZE)) { + rc = EINVAL; + goto out; + } + +#if defined(SLAB_USERCOPY) + /* + * Required for PAX-enabled kernels if the slab is to be + * used for coping between user and kernel space. + */ + slabflags |= SLAB_USERCOPY; +#endif + + skc->skc_linux_cache = kmem_cache_create( + skc->skc_name, size, align, slabflags, NULL); + if (skc->skc_linux_cache == NULL) { + rc = ENOMEM; + goto out; + } + +#if defined(HAVE_KMEM_CACHE_ALLOCFLAGS) + skc->skc_linux_cache->allocflags |= __GFP_COMP; +#elif defined(HAVE_KMEM_CACHE_GFPFLAGS) + skc->skc_linux_cache->gfpflags |= __GFP_COMP; +#endif + skc->skc_flags |= KMC_NOMAGAZINE; + } + + if (spl_kmem_cache_expire & KMC_EXPIRE_AGE) + skc->skc_taskqid = taskq_dispatch_delay(spl_kmem_cache_taskq, + spl_cache_age, skc, TQ_SLEEP, + ddi_get_lbolt() + skc->skc_delay / 3 * HZ); + + down_write(&spl_kmem_cache_sem); + list_add_tail(&skc->skc_list, &spl_kmem_cache_list); + up_write(&spl_kmem_cache_sem); + + return (skc); +out: + kfree(skc->skc_name); + kfree(skc); + return (NULL); +} +EXPORT_SYMBOL(spl_kmem_cache_create); + +/* + * Register a move callback for cache defragmentation. + * XXX: Unimplemented but harmless to stub out for now. + */ +void +spl_kmem_cache_set_move(spl_kmem_cache_t *skc, + kmem_cbrc_t (move)(void *, void *, size_t, void *)) +{ + ASSERT(move != NULL); +} +EXPORT_SYMBOL(spl_kmem_cache_set_move); + +/* + * Destroy a cache and all objects associated with the cache. + */ +void +spl_kmem_cache_destroy(spl_kmem_cache_t *skc) +{ + DECLARE_WAIT_QUEUE_HEAD(wq); + taskqid_t id; + + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(skc->skc_flags & (KMC_KMEM | KMC_VMEM | KMC_SLAB)); + + down_write(&spl_kmem_cache_sem); + list_del_init(&skc->skc_list); + up_write(&spl_kmem_cache_sem); + + /* Cancel any and wait for any pending delayed tasks */ + VERIFY(!test_and_set_bit(KMC_BIT_DESTROY, &skc->skc_flags)); + + spin_lock(&skc->skc_lock); + id = skc->skc_taskqid; + spin_unlock(&skc->skc_lock); + + taskq_cancel_id(spl_kmem_cache_taskq, id); + + /* + * Wait until all current callers complete, this is mainly + * to catch the case where a low memory situation triggers a + * cache reaping action which races with this destroy. + */ + wait_event(wq, atomic_read(&skc->skc_ref) == 0); + + if (skc->skc_flags & (KMC_KMEM | KMC_VMEM)) { + spl_magazine_destroy(skc); + spl_slab_reclaim(skc); + } else { + ASSERT(skc->skc_flags & KMC_SLAB); + kmem_cache_destroy(skc->skc_linux_cache); + } + + spin_lock(&skc->skc_lock); + + /* + * Validate there are no objects in use and free all the + * spl_kmem_slab_t, spl_kmem_obj_t, and object buffers. + */ + ASSERT3U(skc->skc_slab_alloc, ==, 0); + ASSERT3U(skc->skc_obj_alloc, ==, 0); + ASSERT3U(skc->skc_slab_total, ==, 0); + ASSERT3U(skc->skc_obj_total, ==, 0); + ASSERT3U(skc->skc_obj_emergency, ==, 0); + ASSERT(list_empty(&skc->skc_complete_list)); + + spin_unlock(&skc->skc_lock); + + kfree(skc->skc_name); + kfree(skc); +} +EXPORT_SYMBOL(spl_kmem_cache_destroy); + +/* + * Allocate an object from a slab attached to the cache. This is used to + * repopulate the per-cpu magazine caches in batches when they run low. + */ +static void * +spl_cache_obj(spl_kmem_cache_t *skc, spl_kmem_slab_t *sks) +{ + spl_kmem_obj_t *sko; + + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(sks->sks_magic == SKS_MAGIC); + ASSERT(spin_is_locked(&skc->skc_lock)); + + sko = list_entry(sks->sks_free_list.next, spl_kmem_obj_t, sko_list); + ASSERT(sko->sko_magic == SKO_MAGIC); + ASSERT(sko->sko_addr != NULL); + + /* Remove from sks_free_list */ + list_del_init(&sko->sko_list); + + sks->sks_age = jiffies; + sks->sks_ref++; + skc->skc_obj_alloc++; + + /* Track max obj usage statistics */ + if (skc->skc_obj_alloc > skc->skc_obj_max) + skc->skc_obj_max = skc->skc_obj_alloc; + + /* Track max slab usage statistics */ + if (sks->sks_ref == 1) { + skc->skc_slab_alloc++; + + if (skc->skc_slab_alloc > skc->skc_slab_max) + skc->skc_slab_max = skc->skc_slab_alloc; + } + + return (sko->sko_addr); +} + +/* + * Generic slab allocation function to run by the global work queues. + * It is responsible for allocating a new slab, linking it in to the list + * of partial slabs, and then waking any waiters. + */ +static void +spl_cache_grow_work(void *data) +{ + spl_kmem_alloc_t *ska = (spl_kmem_alloc_t *)data; + spl_kmem_cache_t *skc = ska->ska_cache; + spl_kmem_slab_t *sks; + + fstrans_cookie_t cookie = spl_fstrans_mark(); + sks = spl_slab_alloc(skc, ska->ska_flags); + spl_fstrans_unmark(cookie); + + spin_lock(&skc->skc_lock); + if (sks) { + skc->skc_slab_total++; + skc->skc_obj_total += sks->sks_objs; + list_add_tail(&sks->sks_list, &skc->skc_partial_list); + } + + atomic_dec(&skc->skc_ref); + smp_mb__before_atomic(); + clear_bit(KMC_BIT_GROWING, &skc->skc_flags); + clear_bit(KMC_BIT_DEADLOCKED, &skc->skc_flags); + smp_mb__after_atomic(); + wake_up_all(&skc->skc_waitq); + spin_unlock(&skc->skc_lock); + + kfree(ska); +} + +/* + * Returns non-zero when a new slab should be available. + */ +static int +spl_cache_grow_wait(spl_kmem_cache_t *skc) +{ + return (!test_bit(KMC_BIT_GROWING, &skc->skc_flags)); +} + +/* + * No available objects on any slabs, create a new slab. Note that this + * functionality is disabled for KMC_SLAB caches which are backed by the + * Linux slab. + */ +static int +spl_cache_grow(spl_kmem_cache_t *skc, int flags, void **obj) +{ + int remaining, rc = 0; + + ASSERT0(flags & ~KM_PUBLIC_MASK); + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT((skc->skc_flags & KMC_SLAB) == 0); + might_sleep(); + *obj = NULL; + + /* + * Before allocating a new slab wait for any reaping to complete and + * then return so the local magazine can be rechecked for new objects. + */ + if (test_bit(KMC_BIT_REAPING, &skc->skc_flags)) { + rc = spl_wait_on_bit(&skc->skc_flags, KMC_BIT_REAPING, + TASK_UNINTERRUPTIBLE); + return (rc ? rc : -EAGAIN); + } + + /* + * This is handled by dispatching a work request to the global work + * queue. This allows us to asynchronously allocate a new slab while + * retaining the ability to safely fall back to a smaller synchronous + * allocations to ensure forward progress is always maintained. + */ + if (test_and_set_bit(KMC_BIT_GROWING, &skc->skc_flags) == 0) { + spl_kmem_alloc_t *ska; + + ska = kmalloc(sizeof (*ska), kmem_flags_convert(flags)); + if (ska == NULL) { + clear_bit_unlock(KMC_BIT_GROWING, &skc->skc_flags); + smp_mb__after_atomic(); + wake_up_all(&skc->skc_waitq); + return (-ENOMEM); + } + + atomic_inc(&skc->skc_ref); + ska->ska_cache = skc; + ska->ska_flags = flags; + taskq_init_ent(&ska->ska_tqe); + taskq_dispatch_ent(spl_kmem_cache_taskq, + spl_cache_grow_work, ska, 0, &ska->ska_tqe); + } + + /* + * The goal here is to only detect the rare case where a virtual slab + * allocation has deadlocked. We must be careful to minimize the use + * of emergency objects which are more expensive to track. Therefore, + * we set a very long timeout for the asynchronous allocation and if + * the timeout is reached the cache is flagged as deadlocked. From + * this point only new emergency objects will be allocated until the + * asynchronous allocation completes and clears the deadlocked flag. + */ + if (test_bit(KMC_BIT_DEADLOCKED, &skc->skc_flags)) { + rc = spl_emergency_alloc(skc, flags, obj); + } else { + remaining = wait_event_timeout(skc->skc_waitq, + spl_cache_grow_wait(skc), HZ / 10); + + if (!remaining) { + spin_lock(&skc->skc_lock); + if (test_bit(KMC_BIT_GROWING, &skc->skc_flags)) { + set_bit(KMC_BIT_DEADLOCKED, &skc->skc_flags); + skc->skc_obj_deadlock++; + } + spin_unlock(&skc->skc_lock); + } + + rc = -ENOMEM; + } + + return (rc); +} + +/* + * Refill a per-cpu magazine with objects from the slabs for this cache. + * Ideally the magazine can be repopulated using existing objects which have + * been released, however if we are unable to locate enough free objects new + * slabs of objects will be created. On success NULL is returned, otherwise + * the address of a single emergency object is returned for use by the caller. + */ +static void * +spl_cache_refill(spl_kmem_cache_t *skc, spl_kmem_magazine_t *skm, int flags) +{ + spl_kmem_slab_t *sks; + int count = 0, rc, refill; + void *obj = NULL; + + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(skm->skm_magic == SKM_MAGIC); + + refill = MIN(skm->skm_refill, skm->skm_size - skm->skm_avail); + spin_lock(&skc->skc_lock); + + while (refill > 0) { + /* No slabs available we may need to grow the cache */ + if (list_empty(&skc->skc_partial_list)) { + spin_unlock(&skc->skc_lock); + + local_irq_enable(); + rc = spl_cache_grow(skc, flags, &obj); + local_irq_disable(); + + /* Emergency object for immediate use by caller */ + if (rc == 0 && obj != NULL) + return (obj); + + if (rc) + goto out; + + /* Rescheduled to different CPU skm is not local */ + if (skm != skc->skc_mag[smp_processor_id()]) + goto out; + + /* + * Potentially rescheduled to the same CPU but + * allocations may have occurred from this CPU while + * we were sleeping so recalculate max refill. + */ + refill = MIN(refill, skm->skm_size - skm->skm_avail); + + spin_lock(&skc->skc_lock); + continue; + } + + /* Grab the next available slab */ + sks = list_entry((&skc->skc_partial_list)->next, + spl_kmem_slab_t, sks_list); + ASSERT(sks->sks_magic == SKS_MAGIC); + ASSERT(sks->sks_ref < sks->sks_objs); + ASSERT(!list_empty(&sks->sks_free_list)); + + /* + * Consume as many objects as needed to refill the requested + * cache. We must also be careful not to overfill it. + */ + while (sks->sks_ref < sks->sks_objs && refill-- > 0 && + ++count) { + ASSERT(skm->skm_avail < skm->skm_size); + ASSERT(count < skm->skm_size); + skm->skm_objs[skm->skm_avail++] = + spl_cache_obj(skc, sks); + } + + /* Move slab to skc_complete_list when full */ + if (sks->sks_ref == sks->sks_objs) { + list_del(&sks->sks_list); + list_add(&sks->sks_list, &skc->skc_complete_list); + } + } + + spin_unlock(&skc->skc_lock); +out: + return (NULL); +} + +/* + * Release an object back to the slab from which it came. + */ +static void +spl_cache_shrink(spl_kmem_cache_t *skc, void *obj) +{ + spl_kmem_slab_t *sks = NULL; + spl_kmem_obj_t *sko = NULL; + + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(spin_is_locked(&skc->skc_lock)); + + sko = spl_sko_from_obj(skc, obj); + ASSERT(sko->sko_magic == SKO_MAGIC); + sks = sko->sko_slab; + ASSERT(sks->sks_magic == SKS_MAGIC); + ASSERT(sks->sks_cache == skc); + list_add(&sko->sko_list, &sks->sks_free_list); + + sks->sks_age = jiffies; + sks->sks_ref--; + skc->skc_obj_alloc--; + + /* + * Move slab to skc_partial_list when no longer full. Slabs + * are added to the head to keep the partial list is quasi-full + * sorted order. Fuller at the head, emptier at the tail. + */ + if (sks->sks_ref == (sks->sks_objs - 1)) { + list_del(&sks->sks_list); + list_add(&sks->sks_list, &skc->skc_partial_list); + } + + /* + * Move empty slabs to the end of the partial list so + * they can be easily found and freed during reclamation. + */ + if (sks->sks_ref == 0) { + list_del(&sks->sks_list); + list_add_tail(&sks->sks_list, &skc->skc_partial_list); + skc->skc_slab_alloc--; + } +} + +/* + * Allocate an object from the per-cpu magazine, or if the magazine + * is empty directly allocate from a slab and repopulate the magazine. + */ +void * +spl_kmem_cache_alloc(spl_kmem_cache_t *skc, int flags) +{ + spl_kmem_magazine_t *skm; + void *obj = NULL; + + ASSERT0(flags & ~KM_PUBLIC_MASK); + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(!test_bit(KMC_BIT_DESTROY, &skc->skc_flags)); + + /* + * Allocate directly from a Linux slab. All optimizations are left + * to the underlying cache we only need to guarantee that KM_SLEEP + * callers will never fail. + */ + if (skc->skc_flags & KMC_SLAB) { + struct kmem_cache *slc = skc->skc_linux_cache; + do { + obj = kmem_cache_alloc(slc, kmem_flags_convert(flags)); + } while ((obj == NULL) && !(flags & KM_NOSLEEP)); + + goto ret; + } + + local_irq_disable(); + +restart: + /* + * Safe to update per-cpu structure without lock, but + * in the restart case we must be careful to reacquire + * the local magazine since this may have changed + * when we need to grow the cache. + */ + skm = skc->skc_mag[smp_processor_id()]; + ASSERT(skm->skm_magic == SKM_MAGIC); + + if (likely(skm->skm_avail)) { + /* Object available in CPU cache, use it */ + obj = skm->skm_objs[--skm->skm_avail]; + skm->skm_age = jiffies; + } else { + obj = spl_cache_refill(skc, skm, flags); + if ((obj == NULL) && !(flags & KM_NOSLEEP)) + goto restart; + + local_irq_enable(); + goto ret; + } + + local_irq_enable(); + ASSERT(obj); + ASSERT(IS_P2ALIGNED(obj, skc->skc_obj_align)); + +ret: + /* Pre-emptively migrate object to CPU L1 cache */ + if (obj) { + if (obj && skc->skc_ctor) + skc->skc_ctor(obj, skc->skc_private, flags); + else + prefetchw(obj); + } + + return (obj); +} +EXPORT_SYMBOL(spl_kmem_cache_alloc); + +/* + * Free an object back to the local per-cpu magazine, there is no + * guarantee that this is the same magazine the object was originally + * allocated from. We may need to flush entire from the magazine + * back to the slabs to make space. + */ +void +spl_kmem_cache_free(spl_kmem_cache_t *skc, void *obj) +{ + spl_kmem_magazine_t *skm; + unsigned long flags; + int do_reclaim = 0; + int do_emergency = 0; + + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(!test_bit(KMC_BIT_DESTROY, &skc->skc_flags)); + + /* + * Run the destructor + */ + if (skc->skc_dtor) + skc->skc_dtor(obj, skc->skc_private); + + /* + * Free the object from the Linux underlying Linux slab. + */ + if (skc->skc_flags & KMC_SLAB) { + kmem_cache_free(skc->skc_linux_cache, obj); + return; + } + + /* + * While a cache has outstanding emergency objects all freed objects + * must be checked. However, since emergency objects will never use + * a virtual address these objects can be safely excluded as an + * optimization. + */ + if (!is_vmalloc_addr(obj)) { + spin_lock(&skc->skc_lock); + do_emergency = (skc->skc_obj_emergency > 0); + spin_unlock(&skc->skc_lock); + + if (do_emergency && (spl_emergency_free(skc, obj) == 0)) + return; + } + + local_irq_save(flags); + + /* + * Safe to update per-cpu structure without lock, but + * no remote memory allocation tracking is being performed + * it is entirely possible to allocate an object from one + * CPU cache and return it to another. + */ + skm = skc->skc_mag[smp_processor_id()]; + ASSERT(skm->skm_magic == SKM_MAGIC); + + /* + * Per-CPU cache full, flush it to make space for this object, + * this may result in an empty slab which can be reclaimed once + * interrupts are re-enabled. + */ + if (unlikely(skm->skm_avail >= skm->skm_size)) { + spl_cache_flush(skc, skm, skm->skm_refill); + do_reclaim = 1; + } + + /* Available space in cache, use it */ + skm->skm_objs[skm->skm_avail++] = obj; + + local_irq_restore(flags); + + if (do_reclaim) + spl_slab_reclaim(skc); +} +EXPORT_SYMBOL(spl_kmem_cache_free); + +/* + * The generic shrinker function for all caches. Under Linux a shrinker + * may not be tightly coupled with a slab cache. In fact Linux always + * systematically tries calling all registered shrinker callbacks which + * report that they contain unused objects. Because of this we only + * register one shrinker function in the shim layer for all slab caches. + * We always attempt to shrink all caches when this generic shrinker + * is called. + * + * If sc->nr_to_scan is zero, the caller is requesting a query of the + * number of objects which can potentially be freed. If it is nonzero, + * the request is to free that many objects. + * + * Linux kernels >= 3.12 have the count_objects and scan_objects callbacks + * in struct shrinker and also require the shrinker to return the number + * of objects freed. + * + * Older kernels require the shrinker to return the number of freeable + * objects following the freeing of nr_to_free. + * + * Linux semantics differ from those under Solaris, which are to + * free all available objects which may (and probably will) be more + * objects than the requested nr_to_scan. + */ +static spl_shrinker_t +__spl_kmem_cache_generic_shrinker(struct shrinker *shrink, + struct shrink_control *sc) +{ + spl_kmem_cache_t *skc; + int alloc = 0; + + /* + * No shrinking in a transaction context. Can cause deadlocks. + */ + if (sc->nr_to_scan && spl_fstrans_check()) + return (SHRINK_STOP); + + down_read(&spl_kmem_cache_sem); + list_for_each_entry(skc, &spl_kmem_cache_list, skc_list) { + if (sc->nr_to_scan) { +#ifdef HAVE_SPLIT_SHRINKER_CALLBACK + uint64_t oldalloc = skc->skc_obj_alloc; + spl_kmem_cache_reap_now(skc, + MAX(sc->nr_to_scan>>fls64(skc->skc_slab_objs), 1)); + if (oldalloc > skc->skc_obj_alloc) + alloc += oldalloc - skc->skc_obj_alloc; +#else + spl_kmem_cache_reap_now(skc, + MAX(sc->nr_to_scan>>fls64(skc->skc_slab_objs), 1)); + alloc += skc->skc_obj_alloc; +#endif /* HAVE_SPLIT_SHRINKER_CALLBACK */ + } else { + /* Request to query number of freeable objects */ + alloc += skc->skc_obj_alloc; + } + } + up_read(&spl_kmem_cache_sem); + + /* + * When KMC_RECLAIM_ONCE is set allow only a single reclaim pass. + * This functionality only exists to work around a rare issue where + * shrink_slabs() is repeatedly invoked by many cores causing the + * system to thrash. + */ + if ((spl_kmem_cache_reclaim & KMC_RECLAIM_ONCE) && sc->nr_to_scan) + return (SHRINK_STOP); + + return (MAX(alloc, 0)); +} + +SPL_SHRINKER_CALLBACK_WRAPPER(spl_kmem_cache_generic_shrinker); + +/* + * Call the registered reclaim function for a cache. Depending on how + * many and which objects are released it may simply repopulate the + * local magazine which will then need to age-out. Objects which cannot + * fit in the magazine we will be released back to their slabs which will + * also need to age out before being release. This is all just best + * effort and we do not want to thrash creating and destroying slabs. + */ +void +spl_kmem_cache_reap_now(spl_kmem_cache_t *skc, int count) +{ + ASSERT(skc->skc_magic == SKC_MAGIC); + ASSERT(!test_bit(KMC_BIT_DESTROY, &skc->skc_flags)); + + atomic_inc(&skc->skc_ref); + + /* + * Execute the registered reclaim callback if it exists. + */ + if (skc->skc_flags & KMC_SLAB) { + if (skc->skc_reclaim) + skc->skc_reclaim(skc->skc_private); + goto out; + } + + /* + * Prevent concurrent cache reaping when contended. + */ + if (test_and_set_bit(KMC_BIT_REAPING, &skc->skc_flags)) + goto out; + + /* + * When a reclaim function is available it may be invoked repeatedly + * until at least a single slab can be freed. This ensures that we + * do free memory back to the system. This helps minimize the chance + * of an OOM event when the bulk of memory is used by the slab. + * + * When free slabs are already available the reclaim callback will be + * skipped. Additionally, if no forward progress is detected despite + * a reclaim function the cache will be skipped to avoid deadlock. + * + * Longer term this would be the correct place to add the code which + * repacks the slabs in order minimize fragmentation. + */ + if (skc->skc_reclaim) { + uint64_t objects = UINT64_MAX; + int do_reclaim; + + do { + spin_lock(&skc->skc_lock); + do_reclaim = + (skc->skc_slab_total > 0) && + ((skc->skc_slab_total-skc->skc_slab_alloc) == 0) && + (skc->skc_obj_alloc < objects); + + objects = skc->skc_obj_alloc; + spin_unlock(&skc->skc_lock); + + if (do_reclaim) + skc->skc_reclaim(skc->skc_private); + + } while (do_reclaim); + } + + /* Reclaim from the magazine and free all now empty slabs. */ + if (spl_kmem_cache_expire & KMC_EXPIRE_MEM) { + spl_kmem_magazine_t *skm; + unsigned long irq_flags; + + local_irq_save(irq_flags); + skm = skc->skc_mag[smp_processor_id()]; + spl_cache_flush(skc, skm, skm->skm_avail); + local_irq_restore(irq_flags); + } + + spl_slab_reclaim(skc); + clear_bit_unlock(KMC_BIT_REAPING, &skc->skc_flags); + smp_mb__after_atomic(); + wake_up_bit(&skc->skc_flags, KMC_BIT_REAPING); +out: + atomic_dec(&skc->skc_ref); +} +EXPORT_SYMBOL(spl_kmem_cache_reap_now); + +/* + * Reap all free slabs from all registered caches. + */ +void +spl_kmem_reap(void) +{ + struct shrink_control sc; + + sc.nr_to_scan = KMC_REAP_CHUNK; + sc.gfp_mask = GFP_KERNEL; + + (void) __spl_kmem_cache_generic_shrinker(NULL, &sc); +} +EXPORT_SYMBOL(spl_kmem_reap); + +int +spl_kmem_cache_init(void) +{ + init_rwsem(&spl_kmem_cache_sem); + INIT_LIST_HEAD(&spl_kmem_cache_list); + spl_kmem_cache_taskq = taskq_create("spl_kmem_cache", + spl_kmem_cache_kmem_threads, maxclsyspri, + spl_kmem_cache_kmem_threads * 8, INT_MAX, + TASKQ_PREPOPULATE | TASKQ_DYNAMIC); + spl_register_shrinker(&spl_kmem_cache_shrinker); + + return (0); +} + +void +spl_kmem_cache_fini(void) +{ + spl_unregister_shrinker(&spl_kmem_cache_shrinker); + taskq_destroy(spl_kmem_cache_taskq); +} diff --git a/spl/module/spl/spl-kmem.c b/spl/module/spl/spl-kmem.c new file mode 100755 index 000000000000..2b68c297a44d --- /dev/null +++ b/spl/module/spl/spl-kmem.c @@ -0,0 +1,564 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#include +#include +#include +#include +#include +#include + +/* + * As a general rule kmem_alloc() allocations should be small, preferably + * just a few pages since they must by physically contiguous. Therefore, a + * rate limited warning will be printed to the console for any kmem_alloc() + * which exceeds a reasonable threshold. + * + * The default warning threshold is set to eight pages but capped at 32K to + * accommodate systems using large pages. This value was selected to be small + * enough to ensure the largest allocations are quickly noticed and fixed. + * But large enough to avoid logging any warnings when a allocation size is + * larger than optimal but not a serious concern. Since this value is tunable, + * developers are encouraged to set it lower when testing so any new largish + * allocations are quickly caught. These warnings may be disabled by setting + * the threshold to zero. + */ +unsigned int spl_kmem_alloc_warn = MAX(8 * PAGE_SIZE, 32 * 1024); +module_param(spl_kmem_alloc_warn, uint, 0644); +MODULE_PARM_DESC(spl_kmem_alloc_warn, + "Warning threshold in bytes for a kmem_alloc()"); +EXPORT_SYMBOL(spl_kmem_alloc_warn); + +/* + * Large kmem_alloc() allocations will fail if they exceed KMALLOC_MAX_SIZE. + * Allocations which are marginally smaller than this limit may succeed but + * should still be avoided due to the expense of locating a contiguous range + * of free pages. Therefore, a maximum kmem size with reasonable safely + * margin of 4x is set. Kmem_alloc() allocations larger than this maximum + * will quickly fail. Vmem_alloc() allocations less than or equal to this + * value will use kmalloc(), but shift to vmalloc() when exceeding this value. + */ +unsigned int spl_kmem_alloc_max = (KMALLOC_MAX_SIZE >> 2); +module_param(spl_kmem_alloc_max, uint, 0644); +MODULE_PARM_DESC(spl_kmem_alloc_max, + "Maximum size in bytes for a kmem_alloc()"); +EXPORT_SYMBOL(spl_kmem_alloc_max); + +int +kmem_debugging(void) +{ + return (0); +} +EXPORT_SYMBOL(kmem_debugging); + +char * +kmem_vasprintf(const char *fmt, va_list ap) +{ + va_list aq; + char *ptr; + + do { + va_copy(aq, ap); + ptr = kvasprintf(kmem_flags_convert(KM_SLEEP), fmt, aq); + va_end(aq); + } while (ptr == NULL); + + return (ptr); +} +EXPORT_SYMBOL(kmem_vasprintf); + +char * +kmem_asprintf(const char *fmt, ...) +{ + va_list ap; + char *ptr; + + do { + va_start(ap, fmt); + ptr = kvasprintf(kmem_flags_convert(KM_SLEEP), fmt, ap); + va_end(ap); + } while (ptr == NULL); + + return (ptr); +} +EXPORT_SYMBOL(kmem_asprintf); + +static char * +__strdup(const char *str, int flags) +{ + char *ptr; + int n; + + n = strlen(str); + ptr = kmalloc(n + 1, kmem_flags_convert(flags)); + if (ptr) + memcpy(ptr, str, n + 1); + + return (ptr); +} + +char * +strdup(const char *str) +{ + return (__strdup(str, KM_SLEEP)); +} +EXPORT_SYMBOL(strdup); + +void +strfree(char *str) +{ + kfree(str); +} +EXPORT_SYMBOL(strfree); + +/* + * Limit the number of large allocation stack traces dumped to not more than + * 5 every 60 seconds to prevent denial-of-service attacks from debug code. + */ +DEFINE_RATELIMIT_STATE(kmem_alloc_ratelimit_state, 60 * HZ, 5); + +/* + * General purpose unified implementation of kmem_alloc(). It is an + * amalgamation of Linux and Illumos allocator design. It should never be + * exported to ensure that code using kmem_alloc()/kmem_zalloc() remains + * relatively portable. Consumers may only access this function through + * wrappers that enforce the common flags to ensure portability. + */ +inline void * +spl_kmem_alloc_impl(size_t size, int flags, int node) +{ + gfp_t lflags = kmem_flags_convert(flags); + int use_vmem = 0; + void *ptr; + + /* + * Log abnormally large allocations and rate limit the console output. + * Allocations larger than spl_kmem_alloc_warn should be performed + * through the vmem_alloc()/vmem_zalloc() interfaces. + */ + if ((spl_kmem_alloc_warn > 0) && (size > spl_kmem_alloc_warn) && + !(flags & KM_VMEM) && __ratelimit(&kmem_alloc_ratelimit_state)) { + printk(KERN_WARNING + "Large kmem_alloc(%lu, 0x%x), please file an issue at:\n" + "https://github.com/zfsonlinux/zfs/issues/new\n", + (unsigned long)size, flags); + dump_stack(); + } + + /* + * Use a loop because kmalloc_node() can fail when GFP_KERNEL is used + * unlike kmem_alloc() with KM_SLEEP on Illumos. + */ + do { + /* + * Calling kmalloc_node() when the size >= spl_kmem_alloc_max + * is unsafe. This must fail for all for kmem_alloc() and + * kmem_zalloc() callers. + * + * For vmem_alloc() and vmem_zalloc() callers it is permissible + * to use __vmalloc(). However, in general use of __vmalloc() + * is strongly discouraged because a global lock must be + * acquired. Contention on this lock can significantly + * impact performance so frequently manipulating the virtual + * address space is strongly discouraged. + */ + if ((size > spl_kmem_alloc_max) || use_vmem) { + if (flags & KM_VMEM) { + ptr = __vmalloc(size, lflags, PAGE_KERNEL); + } else { + return (NULL); + } + } else { + ptr = kmalloc_node(size, lflags, node); + } + + if (likely(ptr) || (flags & KM_NOSLEEP)) + return (ptr); + + /* + * For vmem_alloc() and vmem_zalloc() callers retry immediately + * using __vmalloc() which is unlikely to fail. + */ + if ((flags & KM_VMEM) && (use_vmem == 0)) { + use_vmem = 1; + continue; + } + + if (unlikely(__ratelimit(&kmem_alloc_ratelimit_state))) { + printk(KERN_WARNING + "Possible memory allocation deadlock: " + "size=%lu lflags=0x%x", + (unsigned long)size, lflags); + dump_stack(); + } + + /* + * Use cond_resched() instead of congestion_wait() to avoid + * deadlocking systems where there are no block devices. + */ + cond_resched(); + } while (1); + + return (NULL); +} + +inline void +spl_kmem_free_impl(const void *buf, size_t size) +{ + if (is_vmalloc_addr(buf)) + vfree(buf); + else + kfree(buf); +} + +/* + * Memory allocation and accounting for kmem_* * style allocations. When + * DEBUG_KMEM is enabled the total memory allocated will be tracked and + * any memory leaked will be reported during module unload. + * + * ./configure --enable-debug-kmem + */ +#ifdef DEBUG_KMEM + +/* Shim layer memory accounting */ +#ifdef HAVE_ATOMIC64_T +atomic64_t kmem_alloc_used = ATOMIC64_INIT(0); +unsigned long long kmem_alloc_max = 0; +#else /* HAVE_ATOMIC64_T */ +atomic_t kmem_alloc_used = ATOMIC_INIT(0); +unsigned long long kmem_alloc_max = 0; +#endif /* HAVE_ATOMIC64_T */ + +EXPORT_SYMBOL(kmem_alloc_used); +EXPORT_SYMBOL(kmem_alloc_max); + +inline void * +spl_kmem_alloc_debug(size_t size, int flags, int node) +{ + void *ptr; + + ptr = spl_kmem_alloc_impl(size, flags, node); + if (ptr) { + kmem_alloc_used_add(size); + if (unlikely(kmem_alloc_used_read() > kmem_alloc_max)) + kmem_alloc_max = kmem_alloc_used_read(); + } + + return (ptr); +} + +inline void +spl_kmem_free_debug(const void *ptr, size_t size) +{ + kmem_alloc_used_sub(size); + spl_kmem_free_impl(ptr, size); +} + +/* + * When DEBUG_KMEM_TRACKING is enabled not only will total bytes be tracked + * but also the location of every alloc and free. When the SPL module is + * unloaded a list of all leaked addresses and where they were allocated + * will be dumped to the console. Enabling this feature has a significant + * impact on performance but it makes finding memory leaks straight forward. + * + * Not surprisingly with debugging enabled the xmem_locks are very highly + * contended particularly on xfree(). If we want to run with this detailed + * debugging enabled for anything other than debugging we need to minimize + * the contention by moving to a lock per xmem_table entry model. + * + * ./configure --enable-debug-kmem-tracking + */ +#ifdef DEBUG_KMEM_TRACKING + +#include +#include + +#define KMEM_HASH_BITS 10 +#define KMEM_TABLE_SIZE (1 << KMEM_HASH_BITS) + +typedef struct kmem_debug { + struct hlist_node kd_hlist; /* Hash node linkage */ + struct list_head kd_list; /* List of all allocations */ + void *kd_addr; /* Allocation pointer */ + size_t kd_size; /* Allocation size */ + const char *kd_func; /* Allocation function */ + int kd_line; /* Allocation line */ +} kmem_debug_t; + +static spinlock_t kmem_lock; +static struct hlist_head kmem_table[KMEM_TABLE_SIZE]; +static struct list_head kmem_list; + +static kmem_debug_t * +kmem_del_init(spinlock_t *lock, struct hlist_head *table, + int bits, const void *addr) +{ + struct hlist_head *head; + struct hlist_node *node; + struct kmem_debug *p; + unsigned long flags; + + spin_lock_irqsave(lock, flags); + + head = &table[hash_ptr((void *)addr, bits)]; + hlist_for_each(node, head) { + p = list_entry(node, struct kmem_debug, kd_hlist); + if (p->kd_addr == addr) { + hlist_del_init(&p->kd_hlist); + list_del_init(&p->kd_list); + spin_unlock_irqrestore(lock, flags); + return (p); + } + } + + spin_unlock_irqrestore(lock, flags); + + return (NULL); +} + +inline void * +spl_kmem_alloc_track(size_t size, int flags, + const char *func, int line, int node) +{ + void *ptr = NULL; + kmem_debug_t *dptr; + unsigned long irq_flags; + + dptr = kmalloc(sizeof (kmem_debug_t), kmem_flags_convert(flags)); + if (dptr == NULL) + return (NULL); + + dptr->kd_func = __strdup(func, flags); + if (dptr->kd_func == NULL) { + kfree(dptr); + return (NULL); + } + + ptr = spl_kmem_alloc_debug(size, flags, node); + if (ptr == NULL) { + kfree(dptr->kd_func); + kfree(dptr); + return (NULL); + } + + INIT_HLIST_NODE(&dptr->kd_hlist); + INIT_LIST_HEAD(&dptr->kd_list); + + dptr->kd_addr = ptr; + dptr->kd_size = size; + dptr->kd_line = line; + + spin_lock_irqsave(&kmem_lock, irq_flags); + hlist_add_head(&dptr->kd_hlist, + &kmem_table[hash_ptr(ptr, KMEM_HASH_BITS)]); + list_add_tail(&dptr->kd_list, &kmem_list); + spin_unlock_irqrestore(&kmem_lock, irq_flags); + + return (ptr); +} + +inline void +spl_kmem_free_track(const void *ptr, size_t size) +{ + kmem_debug_t *dptr; + + /* Ignore NULL pointer since we haven't tracked it at all*/ + if (ptr == NULL) + return; + + /* Must exist in hash due to kmem_alloc() */ + dptr = kmem_del_init(&kmem_lock, kmem_table, KMEM_HASH_BITS, ptr); + ASSERT3P(dptr, !=, NULL); + ASSERT3S(dptr->kd_size, ==, size); + + kfree(dptr->kd_func); + kfree(dptr); + + spl_kmem_free_debug(ptr, size); +} +#endif /* DEBUG_KMEM_TRACKING */ +#endif /* DEBUG_KMEM */ + +/* + * Public kmem_alloc(), kmem_zalloc() and kmem_free() interfaces. + */ +void * +spl_kmem_alloc(size_t size, int flags, const char *func, int line) +{ + ASSERT0(flags & ~KM_PUBLIC_MASK); + +#if !defined(DEBUG_KMEM) + return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE)); +#elif !defined(DEBUG_KMEM_TRACKING) + return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE)); +#else + return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE)); +#endif +} +EXPORT_SYMBOL(spl_kmem_alloc); + +void * +spl_kmem_zalloc(size_t size, int flags, const char *func, int line) +{ + ASSERT0(flags & ~KM_PUBLIC_MASK); + + flags |= KM_ZERO; + +#if !defined(DEBUG_KMEM) + return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE)); +#elif !defined(DEBUG_KMEM_TRACKING) + return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE)); +#else + return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE)); +#endif +} +EXPORT_SYMBOL(spl_kmem_zalloc); + +void +spl_kmem_free(const void *buf, size_t size) +{ +#if !defined(DEBUG_KMEM) + return (spl_kmem_free_impl(buf, size)); +#elif !defined(DEBUG_KMEM_TRACKING) + return (spl_kmem_free_debug(buf, size)); +#else + return (spl_kmem_free_track(buf, size)); +#endif +} +EXPORT_SYMBOL(spl_kmem_free); + +#if defined(DEBUG_KMEM) && defined(DEBUG_KMEM_TRACKING) +static char * +spl_sprintf_addr(kmem_debug_t *kd, char *str, int len, int min) +{ + int size = ((len - 1) < kd->kd_size) ? (len - 1) : kd->kd_size; + int i, flag = 1; + + ASSERT(str != NULL && len >= 17); + memset(str, 0, len); + + /* + * Check for a fully printable string, and while we are at + * it place the printable characters in the passed buffer. + */ + for (i = 0; i < size; i++) { + str[i] = ((char *)(kd->kd_addr))[i]; + if (isprint(str[i])) { + continue; + } else { + /* + * Minimum number of printable characters found + * to make it worthwhile to print this as ascii. + */ + if (i > min) + break; + + flag = 0; + break; + } + } + + if (!flag) { + sprintf(str, "%02x%02x%02x%02x%02x%02x%02x%02x", + *((uint8_t *)kd->kd_addr), + *((uint8_t *)kd->kd_addr + 2), + *((uint8_t *)kd->kd_addr + 4), + *((uint8_t *)kd->kd_addr + 6), + *((uint8_t *)kd->kd_addr + 8), + *((uint8_t *)kd->kd_addr + 10), + *((uint8_t *)kd->kd_addr + 12), + *((uint8_t *)kd->kd_addr + 14)); + } + + return (str); +} + +static int +spl_kmem_init_tracking(struct list_head *list, spinlock_t *lock, int size) +{ + int i; + + spin_lock_init(lock); + INIT_LIST_HEAD(list); + + for (i = 0; i < size; i++) + INIT_HLIST_HEAD(&kmem_table[i]); + + return (0); +} + +static void +spl_kmem_fini_tracking(struct list_head *list, spinlock_t *lock) +{ + unsigned long flags; + kmem_debug_t *kd; + char str[17]; + + spin_lock_irqsave(lock, flags); + if (!list_empty(list)) + printk(KERN_WARNING "%-16s %-5s %-16s %s:%s\n", "address", + "size", "data", "func", "line"); + + list_for_each_entry(kd, list, kd_list) + printk(KERN_WARNING "%p %-5d %-16s %s:%d\n", kd->kd_addr, + (int)kd->kd_size, spl_sprintf_addr(kd, str, 17, 8), + kd->kd_func, kd->kd_line); + + spin_unlock_irqrestore(lock, flags); +} +#endif /* DEBUG_KMEM && DEBUG_KMEM_TRACKING */ + +int +spl_kmem_init(void) +{ +#ifdef DEBUG_KMEM + kmem_alloc_used_set(0); + +#ifdef DEBUG_KMEM_TRACKING + spl_kmem_init_tracking(&kmem_list, &kmem_lock, KMEM_TABLE_SIZE); +#endif /* DEBUG_KMEM_TRACKING */ +#endif /* DEBUG_KMEM */ + + return (0); +} + +void +spl_kmem_fini(void) +{ +#ifdef DEBUG_KMEM + /* + * Display all unreclaimed memory addresses, including the + * allocation size and the first few bytes of what's located + * at that address to aid in debugging. Performance is not + * a serious concern here since it is module unload time. + */ + if (kmem_alloc_used_read() != 0) + printk(KERN_WARNING "kmem leaked %ld/%llu bytes\n", + (unsigned long)kmem_alloc_used_read(), kmem_alloc_max); + +#ifdef DEBUG_KMEM_TRACKING + spl_kmem_fini_tracking(&kmem_list, &kmem_lock); +#endif /* DEBUG_KMEM_TRACKING */ +#endif /* DEBUG_KMEM */ +} diff --git a/spl/module/spl/spl-kobj.c b/spl/module/spl/spl-kobj.c new file mode 100644 index 000000000000..4dd14ba41760 --- /dev/null +++ b/spl/module/spl/spl-kobj.c @@ -0,0 +1,81 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Kobj Implementation. +\*****************************************************************************/ + +#include + +struct _buf * +kobj_open_file(const char *name) +{ + struct _buf *file; + vnode_t *vp; + int rc; + + file = kmalloc(sizeof(_buf_t), kmem_flags_convert(KM_SLEEP)); + if (file == NULL) + return ((_buf_t *)-1UL); + + if ((rc = vn_open(name, UIO_SYSSPACE, FREAD, 0644, &vp, 0, 0))) { + kfree(file); + return ((_buf_t *)-1UL); + } + + file->vp = vp; + + return (file); +} /* kobj_open_file() */ +EXPORT_SYMBOL(kobj_open_file); + +void +kobj_close_file(struct _buf *file) +{ + VOP_CLOSE(file->vp, 0, 0, 0, 0, 0); + kfree(file); +} /* kobj_close_file() */ +EXPORT_SYMBOL(kobj_close_file); + +int +kobj_read_file(struct _buf *file, char *buf, ssize_t size, offset_t off) +{ + return (vn_rdwr(UIO_READ, file->vp, buf, size, off, + UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL)); +} /* kobj_read_file() */ +EXPORT_SYMBOL(kobj_read_file); + +int +kobj_get_filesize(struct _buf *file, uint64_t *size) +{ + vattr_t vap; + int rc; + + rc = VOP_GETATTR(file->vp, &vap, 0, 0, NULL); + if (rc) + return (rc); + + *size = vap.va_size; + + return (rc); +} /* kobj_get_filesize() */ +EXPORT_SYMBOL(kobj_get_filesize); diff --git a/spl/module/spl/spl-kstat.c b/spl/module/spl/spl-kstat.c new file mode 100644 index 000000000000..e8917a3ea80c --- /dev/null +++ b/spl/module/spl/spl-kstat.c @@ -0,0 +1,696 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Kstat Implementation. +\*****************************************************************************/ + +#include +#include +#include + +#ifndef HAVE_PDE_DATA +#define PDE_DATA(x) (PDE(x)->data) +#endif + +static kmutex_t kstat_module_lock; +static struct list_head kstat_module_list; +static kid_t kstat_id; + +static int +kstat_resize_raw(kstat_t *ksp) +{ + if (ksp->ks_raw_bufsize == KSTAT_RAW_MAX) + return ENOMEM; + + vmem_free(ksp->ks_raw_buf, ksp->ks_raw_bufsize); + ksp->ks_raw_bufsize = MIN(ksp->ks_raw_bufsize * 2, KSTAT_RAW_MAX); + ksp->ks_raw_buf = vmem_alloc(ksp->ks_raw_bufsize, KM_SLEEP); + + return 0; +} + +void +kstat_waitq_enter(kstat_io_t *kiop) +{ + hrtime_t new, delta; + ulong_t wcnt; + + new = gethrtime(); + delta = new - kiop->wlastupdate; + kiop->wlastupdate = new; + wcnt = kiop->wcnt++; + if (wcnt != 0) { + kiop->wlentime += delta * wcnt; + kiop->wtime += delta; + } +} +EXPORT_SYMBOL(kstat_waitq_enter); + +void +kstat_waitq_exit(kstat_io_t *kiop) +{ + hrtime_t new, delta; + ulong_t wcnt; + + new = gethrtime(); + delta = new - kiop->wlastupdate; + kiop->wlastupdate = new; + wcnt = kiop->wcnt--; + ASSERT((int)wcnt > 0); + kiop->wlentime += delta * wcnt; + kiop->wtime += delta; +} +EXPORT_SYMBOL(kstat_waitq_exit); + +void +kstat_runq_enter(kstat_io_t *kiop) +{ + hrtime_t new, delta; + ulong_t rcnt; + + new = gethrtime(); + delta = new - kiop->rlastupdate; + kiop->rlastupdate = new; + rcnt = kiop->rcnt++; + if (rcnt != 0) { + kiop->rlentime += delta * rcnt; + kiop->rtime += delta; + } +} +EXPORT_SYMBOL(kstat_runq_enter); + +void +kstat_runq_exit(kstat_io_t *kiop) +{ + hrtime_t new, delta; + ulong_t rcnt; + + new = gethrtime(); + delta = new - kiop->rlastupdate; + kiop->rlastupdate = new; + rcnt = kiop->rcnt--; + ASSERT((int)rcnt > 0); + kiop->rlentime += delta * rcnt; + kiop->rtime += delta; +} +EXPORT_SYMBOL(kstat_runq_exit); + +static int +kstat_seq_show_headers(struct seq_file *f) +{ + kstat_t *ksp = (kstat_t *)f->private; + int rc = 0; + + ASSERT(ksp->ks_magic == KS_MAGIC); + + seq_printf(f, "%d %d 0x%02x %d %d %lld %lld\n", + ksp->ks_kid, ksp->ks_type, ksp->ks_flags, + ksp->ks_ndata, (int)ksp->ks_data_size, + ksp->ks_crtime, ksp->ks_snaptime); + + switch (ksp->ks_type) { + case KSTAT_TYPE_RAW: +restart: + if (ksp->ks_raw_ops.headers) { + rc = ksp->ks_raw_ops.headers( + ksp->ks_raw_buf, ksp->ks_raw_bufsize); + if (rc == ENOMEM && !kstat_resize_raw(ksp)) + goto restart; + if (!rc) + seq_puts(f, ksp->ks_raw_buf); + } else { + seq_printf(f, "raw data\n"); + } + break; + case KSTAT_TYPE_NAMED: + seq_printf(f, "%-31s %-4s %s\n", + "name", "type", "data"); + break; + case KSTAT_TYPE_INTR: + seq_printf(f, "%-8s %-8s %-8s %-8s %-8s\n", + "hard", "soft", "watchdog", + "spurious", "multsvc"); + break; + case KSTAT_TYPE_IO: + seq_printf(f, + "%-8s %-8s %-8s %-8s %-8s %-8s " + "%-8s %-8s %-8s %-8s %-8s %-8s\n", + "nread", "nwritten", "reads", "writes", + "wtime", "wlentime", "wupdate", + "rtime", "rlentime", "rupdate", + "wcnt", "rcnt"); + break; + case KSTAT_TYPE_TIMER: + seq_printf(f, + "%-31s %-8s " + "%-8s %-8s %-8s %-8s %-8s\n", + "name", "events", "elapsed", + "min", "max", "start", "stop"); + break; + default: + PANIC("Undefined kstat type %d\n", ksp->ks_type); + } + + return -rc; +} + +static int +kstat_seq_show_raw(struct seq_file *f, unsigned char *p, int l) +{ + int i, j; + + for (i = 0; ; i++) { + seq_printf(f, "%03x:", i); + + for (j = 0; j < 16; j++) { + if (i * 16 + j >= l) { + seq_printf(f, "\n"); + goto out; + } + + seq_printf(f, " %02x", (unsigned char)p[i * 16 + j]); + } + seq_printf(f, "\n"); + } +out: + return 0; +} + +static int +kstat_seq_show_named(struct seq_file *f, kstat_named_t *knp) +{ + seq_printf(f, "%-31s %-4d ", knp->name, knp->data_type); + + switch (knp->data_type) { + case KSTAT_DATA_CHAR: + knp->value.c[15] = '\0'; /* NULL terminate */ + seq_printf(f, "%-16s", knp->value.c); + break; + /* XXX - We need to be more careful able what tokens are + * used for each arch, for now this is correct for x86_64. + */ + case KSTAT_DATA_INT32: + seq_printf(f, "%d", knp->value.i32); + break; + case KSTAT_DATA_UINT32: + seq_printf(f, "%u", knp->value.ui32); + break; + case KSTAT_DATA_INT64: + seq_printf(f, "%lld", (signed long long)knp->value.i64); + break; + case KSTAT_DATA_UINT64: + seq_printf(f, "%llu", (unsigned long long)knp->value.ui64); + break; + case KSTAT_DATA_LONG: + seq_printf(f, "%ld", knp->value.l); + break; + case KSTAT_DATA_ULONG: + seq_printf(f, "%lu", knp->value.ul); + break; + case KSTAT_DATA_STRING: + KSTAT_NAMED_STR_PTR(knp) + [KSTAT_NAMED_STR_BUFLEN(knp)-1] = '\0'; + seq_printf(f, "%s", KSTAT_NAMED_STR_PTR(knp)); + break; + default: + PANIC("Undefined kstat data type %d\n", knp->data_type); + } + + seq_printf(f, "\n"); + + return 0; +} + +static int +kstat_seq_show_intr(struct seq_file *f, kstat_intr_t *kip) +{ + seq_printf(f, "%-8u %-8u %-8u %-8u %-8u\n", + kip->intrs[KSTAT_INTR_HARD], + kip->intrs[KSTAT_INTR_SOFT], + kip->intrs[KSTAT_INTR_WATCHDOG], + kip->intrs[KSTAT_INTR_SPURIOUS], + kip->intrs[KSTAT_INTR_MULTSVC]); + + return 0; +} + +static int +kstat_seq_show_io(struct seq_file *f, kstat_io_t *kip) +{ + seq_printf(f, + "%-8llu %-8llu %-8u %-8u %-8lld %-8lld " + "%-8lld %-8lld %-8lld %-8lld %-8u %-8u\n", + kip->nread, kip->nwritten, + kip->reads, kip->writes, + kip->wtime, kip->wlentime, kip->wlastupdate, + kip->rtime, kip->wlentime, kip->rlastupdate, + kip->wcnt, kip->rcnt); + + return 0; +} + +static int +kstat_seq_show_timer(struct seq_file *f, kstat_timer_t *ktp) +{ + seq_printf(f, + "%-31s %-8llu %-8lld %-8lld %-8lld %-8lld %-8lld\n", + ktp->name, ktp->num_events, ktp->elapsed_time, + ktp->min_time, ktp->max_time, + ktp->start_time, ktp->stop_time); + + return 0; +} + +static int +kstat_seq_show(struct seq_file *f, void *p) +{ + kstat_t *ksp = (kstat_t *)f->private; + int rc = 0; + + ASSERT(ksp->ks_magic == KS_MAGIC); + + switch (ksp->ks_type) { + case KSTAT_TYPE_RAW: +restart: + if (ksp->ks_raw_ops.data) { + rc = ksp->ks_raw_ops.data( + ksp->ks_raw_buf, ksp->ks_raw_bufsize, p); + if (rc == ENOMEM && !kstat_resize_raw(ksp)) + goto restart; + if (!rc) + seq_puts(f, ksp->ks_raw_buf); + } else { + ASSERT(ksp->ks_ndata == 1); + rc = kstat_seq_show_raw(f, ksp->ks_data, + ksp->ks_data_size); + } + break; + case KSTAT_TYPE_NAMED: + rc = kstat_seq_show_named(f, (kstat_named_t *)p); + break; + case KSTAT_TYPE_INTR: + rc = kstat_seq_show_intr(f, (kstat_intr_t *)p); + break; + case KSTAT_TYPE_IO: + rc = kstat_seq_show_io(f, (kstat_io_t *)p); + break; + case KSTAT_TYPE_TIMER: + rc = kstat_seq_show_timer(f, (kstat_timer_t *)p); + break; + default: + PANIC("Undefined kstat type %d\n", ksp->ks_type); + } + + return -rc; +} + +int +kstat_default_update(kstat_t *ksp, int rw) +{ + ASSERT(ksp != NULL); + + if (rw == KSTAT_WRITE) + return (EACCES); + + return 0; +} + +static void * +kstat_seq_data_addr(kstat_t *ksp, loff_t n) +{ + void *rc = NULL; + + switch (ksp->ks_type) { + case KSTAT_TYPE_RAW: + if (ksp->ks_raw_ops.addr) + rc = ksp->ks_raw_ops.addr(ksp, n); + else + rc = ksp->ks_data; + break; + case KSTAT_TYPE_NAMED: + rc = ksp->ks_data + n * sizeof(kstat_named_t); + break; + case KSTAT_TYPE_INTR: + rc = ksp->ks_data + n * sizeof(kstat_intr_t); + break; + case KSTAT_TYPE_IO: + rc = ksp->ks_data + n * sizeof(kstat_io_t); + break; + case KSTAT_TYPE_TIMER: + rc = ksp->ks_data + n * sizeof(kstat_timer_t); + break; + default: + PANIC("Undefined kstat type %d\n", ksp->ks_type); + } + + return (rc); +} + +static void * +kstat_seq_start(struct seq_file *f, loff_t *pos) +{ + loff_t n = *pos; + kstat_t *ksp = (kstat_t *)f->private; + ASSERT(ksp->ks_magic == KS_MAGIC); + + mutex_enter(ksp->ks_lock); + + if (ksp->ks_type == KSTAT_TYPE_RAW) { + ksp->ks_raw_bufsize = PAGE_SIZE; + ksp->ks_raw_buf = vmem_alloc(ksp->ks_raw_bufsize, KM_SLEEP); + } + + /* Dynamically update kstat, on error existing kstats are used */ + (void) ksp->ks_update(ksp, KSTAT_READ); + + ksp->ks_snaptime = gethrtime(); + + if (!n && kstat_seq_show_headers(f)) + return (NULL); + + if (n >= ksp->ks_ndata) + return (NULL); + + return (kstat_seq_data_addr(ksp, n)); +} + +static void * +kstat_seq_next(struct seq_file *f, void *p, loff_t *pos) +{ + kstat_t *ksp = (kstat_t *)f->private; + ASSERT(ksp->ks_magic == KS_MAGIC); + + ++*pos; + if (*pos >= ksp->ks_ndata) + return (NULL); + + return (kstat_seq_data_addr(ksp, *pos)); +} + +static void +kstat_seq_stop(struct seq_file *f, void *v) +{ + kstat_t *ksp = (kstat_t *)f->private; + ASSERT(ksp->ks_magic == KS_MAGIC); + + if (ksp->ks_type == KSTAT_TYPE_RAW) + vmem_free(ksp->ks_raw_buf, ksp->ks_raw_bufsize); + + mutex_exit(ksp->ks_lock); +} + +static struct seq_operations kstat_seq_ops = { + .show = kstat_seq_show, + .start = kstat_seq_start, + .next = kstat_seq_next, + .stop = kstat_seq_stop, +}; + +static kstat_module_t * +kstat_find_module(char *name) +{ + kstat_module_t *module; + + list_for_each_entry(module, &kstat_module_list, ksm_module_list) + if (strncmp(name, module->ksm_name, KSTAT_STRLEN) == 0) + return (module); + + return (NULL); +} + +static kstat_module_t * +kstat_create_module(char *name) +{ + kstat_module_t *module; + struct proc_dir_entry *pde; + + pde = proc_mkdir(name, proc_spl_kstat); + if (pde == NULL) + return (NULL); + + module = kmem_alloc(sizeof (kstat_module_t), KM_SLEEP); + module->ksm_proc = pde; + strlcpy(module->ksm_name, name, KSTAT_STRLEN+1); + INIT_LIST_HEAD(&module->ksm_kstat_list); + list_add_tail(&module->ksm_module_list, &kstat_module_list); + + return (module); + +} + +static void +kstat_delete_module(kstat_module_t *module) +{ + ASSERT(list_empty(&module->ksm_kstat_list)); + remove_proc_entry(module->ksm_name, proc_spl_kstat); + list_del(&module->ksm_module_list); + kmem_free(module, sizeof(kstat_module_t)); +} + +static int +proc_kstat_open(struct inode *inode, struct file *filp) +{ + struct seq_file *f; + int rc; + + rc = seq_open(filp, &kstat_seq_ops); + if (rc) + return rc; + + f = filp->private_data; + f->private = PDE_DATA(inode); + + return rc; +} + +static ssize_t +proc_kstat_write(struct file *filp, const char __user *buf, + size_t len, loff_t *ppos) +{ + struct seq_file *f = filp->private_data; + kstat_t *ksp = f->private; + int rc; + + ASSERT(ksp->ks_magic == KS_MAGIC); + + mutex_enter(ksp->ks_lock); + rc = ksp->ks_update(ksp, KSTAT_WRITE); + mutex_exit(ksp->ks_lock); + + if (rc) + return (-rc); + + *ppos += len; + return (len); +} + +static struct file_operations proc_kstat_operations = { + .open = proc_kstat_open, + .write = proc_kstat_write, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + +void +__kstat_set_raw_ops(kstat_t *ksp, + int (*headers)(char *buf, size_t size), + int (*data)(char *buf, size_t size, void *data), + void *(*addr)(kstat_t *ksp, loff_t index)) +{ + ksp->ks_raw_ops.headers = headers; + ksp->ks_raw_ops.data = data; + ksp->ks_raw_ops.addr = addr; +} +EXPORT_SYMBOL(__kstat_set_raw_ops); + +kstat_t * +__kstat_create(const char *ks_module, int ks_instance, const char *ks_name, + const char *ks_class, uchar_t ks_type, uint_t ks_ndata, + uchar_t ks_flags) +{ + kstat_t *ksp; + + ASSERT(ks_module); + ASSERT(ks_instance == 0); + ASSERT(ks_name); + ASSERT(!(ks_flags & KSTAT_FLAG_UNSUPPORTED)); + + if ((ks_type == KSTAT_TYPE_INTR) || (ks_type == KSTAT_TYPE_IO)) + ASSERT(ks_ndata == 1); + + ksp = kmem_zalloc(sizeof(*ksp), KM_SLEEP); + if (ksp == NULL) + return ksp; + + mutex_enter(&kstat_module_lock); + ksp->ks_kid = kstat_id; + kstat_id++; + mutex_exit(&kstat_module_lock); + + ksp->ks_magic = KS_MAGIC; + mutex_init(&ksp->ks_private_lock, NULL, MUTEX_DEFAULT, NULL); + ksp->ks_lock = &ksp->ks_private_lock; + INIT_LIST_HEAD(&ksp->ks_list); + + ksp->ks_crtime = gethrtime(); + ksp->ks_snaptime = ksp->ks_crtime; + strncpy(ksp->ks_module, ks_module, KSTAT_STRLEN); + ksp->ks_instance = ks_instance; + strncpy(ksp->ks_name, ks_name, KSTAT_STRLEN); + strncpy(ksp->ks_class, ks_class, KSTAT_STRLEN); + ksp->ks_type = ks_type; + ksp->ks_flags = ks_flags; + ksp->ks_update = kstat_default_update; + ksp->ks_private = NULL; + ksp->ks_raw_ops.headers = NULL; + ksp->ks_raw_ops.data = NULL; + ksp->ks_raw_ops.addr = NULL; + ksp->ks_raw_buf = NULL; + ksp->ks_raw_bufsize = 0; + + switch (ksp->ks_type) { + case KSTAT_TYPE_RAW: + ksp->ks_ndata = 1; + ksp->ks_data_size = ks_ndata; + break; + case KSTAT_TYPE_NAMED: + ksp->ks_ndata = ks_ndata; + ksp->ks_data_size = ks_ndata * sizeof(kstat_named_t); + break; + case KSTAT_TYPE_INTR: + ksp->ks_ndata = ks_ndata; + ksp->ks_data_size = ks_ndata * sizeof(kstat_intr_t); + break; + case KSTAT_TYPE_IO: + ksp->ks_ndata = ks_ndata; + ksp->ks_data_size = ks_ndata * sizeof(kstat_io_t); + break; + case KSTAT_TYPE_TIMER: + ksp->ks_ndata = ks_ndata; + ksp->ks_data_size = ks_ndata * sizeof(kstat_timer_t); + break; + default: + PANIC("Undefined kstat type %d\n", ksp->ks_type); + } + + if (ksp->ks_flags & KSTAT_FLAG_VIRTUAL) { + ksp->ks_data = NULL; + } else { + ksp->ks_data = kmem_zalloc(ksp->ks_data_size, KM_SLEEP); + if (ksp->ks_data == NULL) { + kmem_free(ksp, sizeof(*ksp)); + ksp = NULL; + } + } + + return ksp; +} +EXPORT_SYMBOL(__kstat_create); + +void +__kstat_install(kstat_t *ksp) +{ + kstat_module_t *module; + kstat_t *tmp; + + ASSERT(ksp); + + mutex_enter(&kstat_module_lock); + + module = kstat_find_module(ksp->ks_module); + if (module == NULL) { + module = kstat_create_module(ksp->ks_module); + if (module == NULL) + goto out; + } + + /* + * Only one entry by this name per-module, on failure the module + * shouldn't be deleted because we know it has at least one entry. + */ + list_for_each_entry(tmp, &module->ksm_kstat_list, ks_list) + if (strncmp(tmp->ks_name, ksp->ks_name, KSTAT_STRLEN) == 0) + goto out; + + list_add_tail(&ksp->ks_list, &module->ksm_kstat_list); + + mutex_enter(ksp->ks_lock); + ksp->ks_owner = module; + ksp->ks_proc = proc_create_data(ksp->ks_name, 0644, + module->ksm_proc, &proc_kstat_operations, (void *)ksp); + if (ksp->ks_proc == NULL) { + list_del_init(&ksp->ks_list); + if (list_empty(&module->ksm_kstat_list)) + kstat_delete_module(module); + } + mutex_exit(ksp->ks_lock); +out: + mutex_exit(&kstat_module_lock); +} +EXPORT_SYMBOL(__kstat_install); + +void +__kstat_delete(kstat_t *ksp) +{ + kstat_module_t *module = ksp->ks_owner; + + mutex_enter(&kstat_module_lock); + list_del_init(&ksp->ks_list); + mutex_exit(&kstat_module_lock); + + if (ksp->ks_proc) { + remove_proc_entry(ksp->ks_name, module->ksm_proc); + + /* Remove top level module directory if it's empty */ + if (list_empty(&module->ksm_kstat_list)) + kstat_delete_module(module); + } + + if (!(ksp->ks_flags & KSTAT_FLAG_VIRTUAL)) + kmem_free(ksp->ks_data, ksp->ks_data_size); + + ksp->ks_lock = NULL; + mutex_destroy(&ksp->ks_private_lock); + kmem_free(ksp, sizeof(*ksp)); + + return; +} +EXPORT_SYMBOL(__kstat_delete); + +int +spl_kstat_init(void) +{ + mutex_init(&kstat_module_lock, NULL, MUTEX_DEFAULT, NULL); + INIT_LIST_HEAD(&kstat_module_list); + kstat_id = 0; + return (0); +} + +void +spl_kstat_fini(void) +{ + ASSERT(list_empty(&kstat_module_list)); + mutex_destroy(&kstat_module_lock); +} + diff --git a/spl/module/spl/spl-mutex.c b/spl/module/spl/spl-mutex.c new file mode 100644 index 000000000000..a29d488d13b7 --- /dev/null +++ b/spl/module/spl/spl-mutex.c @@ -0,0 +1,36 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Mutex Implementation. +\*****************************************************************************/ + +#include + +#ifdef DEBUG_SUBSYSTEM +#undef DEBUG_SUBSYSTEM +#endif + +#define DEBUG_SUBSYSTEM S_MUTEX + +int spl_mutex_init(void) { return 0; } +void spl_mutex_fini(void) { } diff --git a/spl/module/spl/spl-proc.c b/spl/module/spl/spl-proc.c new file mode 100644 index 000000000000..eb00505d6ee8 --- /dev/null +++ b/spl/module/spl/spl-proc.c @@ -0,0 +1,519 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Proc Implementation. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(CONSTIFY_PLUGIN) && LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0) +typedef struct ctl_table __no_const spl_ctl_table; +#else +typedef struct ctl_table spl_ctl_table; +#endif + +static unsigned long table_min = 0; +static unsigned long table_max = ~0; + +static struct ctl_table_header *spl_header = NULL; +static struct proc_dir_entry *proc_spl = NULL; +static struct proc_dir_entry *proc_spl_kmem = NULL; +static struct proc_dir_entry *proc_spl_kmem_slab = NULL; +struct proc_dir_entry *proc_spl_kstat = NULL; + +static int +proc_copyin_string(char *kbuffer, int kbuffer_size, + const char *ubuffer, int ubuffer_size) +{ + int size; + + if (ubuffer_size > kbuffer_size) + return -EOVERFLOW; + + if (copy_from_user((void *)kbuffer, (void *)ubuffer, ubuffer_size)) + return -EFAULT; + + /* strip trailing whitespace */ + size = strnlen(kbuffer, ubuffer_size); + while (size-- >= 0) + if (!isspace(kbuffer[size])) + break; + + /* empty string */ + if (size < 0) + return -EINVAL; + + /* no space to terminate */ + if (size == kbuffer_size) + return -EOVERFLOW; + + kbuffer[size + 1] = 0; + return 0; +} + +static int +proc_copyout_string(char *ubuffer, int ubuffer_size, + const char *kbuffer, char *append) +{ + /* NB if 'append' != NULL, it's a single character to append to the + * copied out string - usually "\n", for /proc entries and + * (i.e. a terminating zero byte) for sysctl entries + */ + int size = MIN(strlen(kbuffer), ubuffer_size); + + if (copy_to_user(ubuffer, kbuffer, size)) + return -EFAULT; + + if (append != NULL && size < ubuffer_size) { + if (copy_to_user(ubuffer + size, append, 1)) + return -EFAULT; + + size++; + } + + return size; +} + +#ifdef DEBUG_KMEM +static int +proc_domemused(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + int rc = 0; + unsigned long min = 0, max = ~0, val; + spl_ctl_table dummy = *table; + + dummy.data = &val; + dummy.proc_handler = &proc_dointvec; + dummy.extra1 = &min; + dummy.extra2 = &max; + + if (write) { + *ppos += *lenp; + } else { +# ifdef HAVE_ATOMIC64_T + val = atomic64_read((atomic64_t *)table->data); +# else + val = atomic_read((atomic_t *)table->data); +# endif /* HAVE_ATOMIC64_T */ + rc = proc_doulongvec_minmax(&dummy, write, buffer, lenp, ppos); + } + + return (rc); +} +#endif /* DEBUG_KMEM */ + +static int +proc_doslab(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + int rc = 0; + unsigned long min = 0, max = ~0, val = 0, mask; + spl_ctl_table dummy = *table; + spl_kmem_cache_t *skc; + + dummy.data = &val; + dummy.proc_handler = &proc_dointvec; + dummy.extra1 = &min; + dummy.extra2 = &max; + + if (write) { + *ppos += *lenp; + } else { + down_read(&spl_kmem_cache_sem); + mask = (unsigned long)table->data; + + list_for_each_entry(skc, &spl_kmem_cache_list, skc_list) { + + /* Only use slabs of the correct kmem/vmem type */ + if (!(skc->skc_flags & mask)) + continue; + + /* Sum the specified field for selected slabs */ + switch (mask & (KMC_TOTAL | KMC_ALLOC | KMC_MAX)) { + case KMC_TOTAL: + val += skc->skc_slab_size * skc->skc_slab_total; + break; + case KMC_ALLOC: + val += skc->skc_obj_size * skc->skc_obj_alloc; + break; + case KMC_MAX: + val += skc->skc_obj_size * skc->skc_obj_max; + break; + } + } + + up_read(&spl_kmem_cache_sem); + rc = proc_doulongvec_minmax(&dummy, write, buffer, lenp, ppos); + } + + return (rc); +} + +static int +proc_dohostid(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + int len, rc = 0; + char *end, str[32]; + + if (write) { + /* We can't use proc_doulongvec_minmax() in the write + * case here because hostid while a hex value has no + * leading 0x which confuses the helper function. */ + rc = proc_copyin_string(str, sizeof(str), buffer, *lenp); + if (rc < 0) + return (rc); + + spl_hostid = simple_strtoul(str, &end, 16); + if (str == end) + return (-EINVAL); + + } else { + len = snprintf(str, sizeof(str), "%lx", spl_hostid); + if (*ppos >= len) + rc = 0; + else + rc = proc_copyout_string(buffer,*lenp,str+*ppos,"\n"); + + if (rc >= 0) { + *lenp = rc; + *ppos += rc; + } + } + + return (rc); +} + +static void +slab_seq_show_headers(struct seq_file *f) +{ + seq_printf(f, + "--------------------- cache ----------" + "--------------------------------------------- " + "----- slab ------ " + "---- object ----- " + "--- emergency ---\n"); + seq_printf(f, + "name " + " flags size alloc slabsize objsize " + "total alloc max " + "total alloc max " + "dlock alloc max\n"); +} + +static int +slab_seq_show(struct seq_file *f, void *p) +{ + spl_kmem_cache_t *skc = p; + + ASSERT(skc->skc_magic == SKC_MAGIC); + + /* + * Backed by Linux slab see /proc/slabinfo. + */ + if (skc->skc_flags & KMC_SLAB) + return (0); + + spin_lock(&skc->skc_lock); + seq_printf(f, "%-36s ", skc->skc_name); + seq_printf(f, "0x%05lx %9lu %9lu %8u %8u " + "%5lu %5lu %5lu %5lu %5lu %5lu %5lu %5lu %5lu\n", + (long unsigned)skc->skc_flags, + (long unsigned)(skc->skc_slab_size * skc->skc_slab_total), + (long unsigned)(skc->skc_obj_size * skc->skc_obj_alloc), + (unsigned)skc->skc_slab_size, + (unsigned)skc->skc_obj_size, + (long unsigned)skc->skc_slab_total, + (long unsigned)skc->skc_slab_alloc, + (long unsigned)skc->skc_slab_max, + (long unsigned)skc->skc_obj_total, + (long unsigned)skc->skc_obj_alloc, + (long unsigned)skc->skc_obj_max, + (long unsigned)skc->skc_obj_deadlock, + (long unsigned)skc->skc_obj_emergency, + (long unsigned)skc->skc_obj_emergency_max); + + spin_unlock(&skc->skc_lock); + + return 0; +} + +static void * +slab_seq_start(struct seq_file *f, loff_t *pos) +{ + struct list_head *p; + loff_t n = *pos; + + down_read(&spl_kmem_cache_sem); + if (!n) + slab_seq_show_headers(f); + + p = spl_kmem_cache_list.next; + while (n--) { + p = p->next; + if (p == &spl_kmem_cache_list) + return (NULL); + } + + return (list_entry(p, spl_kmem_cache_t, skc_list)); +} + +static void * +slab_seq_next(struct seq_file *f, void *p, loff_t *pos) +{ + spl_kmem_cache_t *skc = p; + + ++*pos; + return ((skc->skc_list.next == &spl_kmem_cache_list) ? + NULL : list_entry(skc->skc_list.next,spl_kmem_cache_t,skc_list)); +} + +static void +slab_seq_stop(struct seq_file *f, void *v) +{ + up_read(&spl_kmem_cache_sem); +} + +static struct seq_operations slab_seq_ops = { + .show = slab_seq_show, + .start = slab_seq_start, + .next = slab_seq_next, + .stop = slab_seq_stop, +}; + +static int +proc_slab_open(struct inode *inode, struct file *filp) +{ + return seq_open(filp, &slab_seq_ops); +} + +static struct file_operations proc_slab_operations = { + .open = proc_slab_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + +static struct ctl_table spl_kmem_table[] = { +#ifdef DEBUG_KMEM + { + .procname = "kmem_used", + .data = &kmem_alloc_used, +# ifdef HAVE_ATOMIC64_T + .maxlen = sizeof(atomic64_t), +# else + .maxlen = sizeof(atomic_t), +# endif /* HAVE_ATOMIC64_T */ + .mode = 0444, + .proc_handler = &proc_domemused, + }, + { + .procname = "kmem_max", + .data = &kmem_alloc_max, + .maxlen = sizeof(unsigned long), + .extra1 = &table_min, + .extra2 = &table_max, + .mode = 0444, + .proc_handler = &proc_doulongvec_minmax, + }, +#endif /* DEBUG_KMEM */ + { + .procname = "slab_kmem_total", + .data = (void *)(KMC_KMEM | KMC_TOTAL), + .maxlen = sizeof(unsigned long), + .extra1 = &table_min, + .extra2 = &table_max, + .mode = 0444, + .proc_handler = &proc_doslab, + }, + { + .procname = "slab_kmem_alloc", + .data = (void *)(KMC_KMEM | KMC_ALLOC), + .maxlen = sizeof(unsigned long), + .extra1 = &table_min, + .extra2 = &table_max, + .mode = 0444, + .proc_handler = &proc_doslab, + }, + { + .procname = "slab_kmem_max", + .data = (void *)(KMC_KMEM | KMC_MAX), + .maxlen = sizeof(unsigned long), + .extra1 = &table_min, + .extra2 = &table_max, + .mode = 0444, + .proc_handler = &proc_doslab, + }, + { + .procname = "slab_vmem_total", + .data = (void *)(KMC_VMEM | KMC_TOTAL), + .maxlen = sizeof(unsigned long), + .extra1 = &table_min, + .extra2 = &table_max, + .mode = 0444, + .proc_handler = &proc_doslab, + }, + { + .procname = "slab_vmem_alloc", + .data = (void *)(KMC_VMEM | KMC_ALLOC), + .maxlen = sizeof(unsigned long), + .extra1 = &table_min, + .extra2 = &table_max, + .mode = 0444, + .proc_handler = &proc_doslab, + }, + { + .procname = "slab_vmem_max", + .data = (void *)(KMC_VMEM | KMC_MAX), + .maxlen = sizeof(unsigned long), + .extra1 = &table_min, + .extra2 = &table_max, + .mode = 0444, + .proc_handler = &proc_doslab, + }, + {0}, +}; + +static struct ctl_table spl_kstat_table[] = { + {0}, +}; + +static struct ctl_table spl_table[] = { + /* NB No .strategy entries have been provided since + * sysctl(8) prefers to go via /proc for portability. + */ + { + .procname = "version", + .data = spl_version, + .maxlen = sizeof(spl_version), + .mode = 0444, + .proc_handler = &proc_dostring, + }, + { + .procname = "hostid", + .data = &spl_hostid, + .maxlen = sizeof(unsigned long), + .mode = 0644, + .proc_handler = &proc_dohostid, + }, + { + .procname = "kmem", + .mode = 0555, + .child = spl_kmem_table, + }, + { + .procname = "kstat", + .mode = 0555, + .child = spl_kstat_table, + }, + { 0 }, +}; + +static struct ctl_table spl_dir[] = { + { + .procname = "spl", + .mode = 0555, + .child = spl_table, + }, + { 0 } +}; + +static struct ctl_table spl_root[] = { + { +#ifdef HAVE_CTL_NAME + .ctl_name = CTL_KERN, +#endif + .procname = "kernel", + .mode = 0555, + .child = spl_dir, + }, + { 0 } +}; + +int +spl_proc_init(void) +{ + int rc = 0; + + spl_header = register_sysctl_table(spl_root); + if (spl_header == NULL) + return (-EUNATCH); + + proc_spl = proc_mkdir("spl", NULL); + if (proc_spl == NULL) { + rc = -EUNATCH; + goto out; + } + + proc_spl_kmem = proc_mkdir("kmem", proc_spl); + if (proc_spl_kmem == NULL) { + rc = -EUNATCH; + goto out; + } + + proc_spl_kmem_slab = proc_create_data("slab", 0444, + proc_spl_kmem, &proc_slab_operations, NULL); + if (proc_spl_kmem_slab == NULL) { + rc = -EUNATCH; + goto out; + } + + proc_spl_kstat = proc_mkdir("kstat", proc_spl); + if (proc_spl_kstat == NULL) { + rc = -EUNATCH; + goto out; + } +out: + if (rc) { + remove_proc_entry("kstat", proc_spl); + remove_proc_entry("slab", proc_spl_kmem); + remove_proc_entry("kmem", proc_spl); + remove_proc_entry("spl", NULL); + unregister_sysctl_table(spl_header); + } + + return (rc); +} + +void +spl_proc_fini(void) +{ + remove_proc_entry("kstat", proc_spl); + remove_proc_entry("slab", proc_spl_kmem); + remove_proc_entry("kmem", proc_spl); + remove_proc_entry("spl", NULL); + + ASSERT(spl_header != NULL); + unregister_sysctl_table(spl_header); +} diff --git a/spl/module/spl/spl-rwlock.c b/spl/module/spl/spl-rwlock.c new file mode 100644 index 000000000000..77f46f2d6fdf --- /dev/null +++ b/spl/module/spl/spl-rwlock.c @@ -0,0 +1,86 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Reader/Writer Lock Implementation. +\*****************************************************************************/ + +#include + +#ifdef DEBUG_SUBSYSTEM +#undef DEBUG_SUBSYSTEM +#endif + +#define DEBUG_SUBSYSTEM S_RWLOCK + +#if defined(CONFIG_RWSEM_GENERIC_SPINLOCK) +static int +__rwsem_tryupgrade(struct rw_semaphore *rwsem) +{ + int ret = 0; + unsigned long flags; + spl_rwsem_lock_irqsave(&rwsem->wait_lock, flags); + if (RWSEM_COUNT(rwsem) == SPL_RWSEM_SINGLE_READER_VALUE && + list_empty(&rwsem->wait_list)) { + ret = 1; + RWSEM_COUNT(rwsem) = SPL_RWSEM_SINGLE_WRITER_VALUE; + } + spl_rwsem_unlock_irqrestore(&rwsem->wait_lock, flags); + return (ret); +} +#elif defined(HAVE_RWSEM_ATOMIC_LONG_COUNT) +static int +__rwsem_tryupgrade(struct rw_semaphore *rwsem) +{ + long val; + val = atomic_long_cmpxchg(&rwsem->count, SPL_RWSEM_SINGLE_READER_VALUE, + SPL_RWSEM_SINGLE_WRITER_VALUE); + return (val == SPL_RWSEM_SINGLE_READER_VALUE); +} +#else +static int +__rwsem_tryupgrade(struct rw_semaphore *rwsem) +{ + typeof (rwsem->count) val; + val = cmpxchg(&rwsem->count, SPL_RWSEM_SINGLE_READER_VALUE, + SPL_RWSEM_SINGLE_WRITER_VALUE); + return (val == SPL_RWSEM_SINGLE_READER_VALUE); +} +#endif + +int +rwsem_tryupgrade(struct rw_semaphore *rwsem) +{ + if (__rwsem_tryupgrade(rwsem)) { + rwsem_release(&rwsem->dep_map, 1, _RET_IP_); + rwsem_acquire(&rwsem->dep_map, 0, 1, _RET_IP_); +#ifdef CONFIG_RWSEM_SPIN_ON_OWNER + rwsem->owner = current; +#endif + return (1); + } + return (0); +} +EXPORT_SYMBOL(rwsem_tryupgrade); + +int spl_rw_init(void) { return 0; } +void spl_rw_fini(void) { } diff --git a/spl/module/spl/spl-taskq.c b/spl/module/spl/spl-taskq.c new file mode 100644 index 000000000000..017b410ac03a --- /dev/null +++ b/spl/module/spl/spl-taskq.c @@ -0,0 +1,1145 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Task Queue Implementation. +\*****************************************************************************/ + +#include +#include + +int spl_taskq_thread_bind = 0; +module_param(spl_taskq_thread_bind, int, 0644); +MODULE_PARM_DESC(spl_taskq_thread_bind, "Bind taskq thread to CPU by default"); + + +int spl_taskq_thread_dynamic = 0; +module_param(spl_taskq_thread_dynamic, int, 0644); +MODULE_PARM_DESC(spl_taskq_thread_dynamic, "Allow dynamic taskq threads"); + +int spl_taskq_thread_priority = 1; +module_param(spl_taskq_thread_priority, int, 0644); +MODULE_PARM_DESC(spl_taskq_thread_priority, + "Allow non-default priority for taskq threads"); + +int spl_taskq_thread_sequential = 4; +module_param(spl_taskq_thread_sequential, int, 0644); +MODULE_PARM_DESC(spl_taskq_thread_sequential, + "Create new taskq threads after N sequential tasks"); + +/* Global system-wide dynamic task queue available for all consumers */ +taskq_t *system_taskq; +EXPORT_SYMBOL(system_taskq); + +/* Private dedicated taskq for creating new taskq threads on demand. */ +static taskq_t *dynamic_taskq; +static taskq_thread_t *taskq_thread_create(taskq_t *); + +static int +task_km_flags(uint_t flags) +{ + if (flags & TQ_NOSLEEP) + return KM_NOSLEEP; + + if (flags & TQ_PUSHPAGE) + return KM_PUSHPAGE; + + return KM_SLEEP; +} + +/* + * NOTE: Must be called with tq->tq_lock held, returns a list_t which + * is not attached to the free, work, or pending taskq lists. + */ +static taskq_ent_t * +task_alloc(taskq_t *tq, uint_t flags) +{ + taskq_ent_t *t; + int count = 0; + + ASSERT(tq); + ASSERT(spin_is_locked(&tq->tq_lock)); +retry: + /* Acquire taskq_ent_t's from free list if available */ + if (!list_empty(&tq->tq_free_list) && !(flags & TQ_NEW)) { + t = list_entry(tq->tq_free_list.next, taskq_ent_t, tqent_list); + + ASSERT(!(t->tqent_flags & TQENT_FLAG_PREALLOC)); + ASSERT(!(t->tqent_flags & TQENT_FLAG_CANCEL)); + ASSERT(!timer_pending(&t->tqent_timer)); + + list_del_init(&t->tqent_list); + return (t); + } + + /* Free list is empty and memory allocations are prohibited */ + if (flags & TQ_NOALLOC) + return (NULL); + + /* Hit maximum taskq_ent_t pool size */ + if (tq->tq_nalloc >= tq->tq_maxalloc) { + if (flags & TQ_NOSLEEP) + return (NULL); + + /* + * Sleep periodically polling the free list for an available + * taskq_ent_t. Dispatching with TQ_SLEEP should always succeed + * but we cannot block forever waiting for an taskq_ent_t to + * show up in the free list, otherwise a deadlock can happen. + * + * Therefore, we need to allocate a new task even if the number + * of allocated tasks is above tq->tq_maxalloc, but we still + * end up delaying the task allocation by one second, thereby + * throttling the task dispatch rate. + */ + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + schedule_timeout(HZ / 100); + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + if (count < 100) { + count++; + goto retry; + } + } + + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + t = kmem_alloc(sizeof(taskq_ent_t), task_km_flags(flags)); + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + + if (t) { + taskq_init_ent(t); + tq->tq_nalloc++; + } + + return (t); +} + +/* + * NOTE: Must be called with tq->tq_lock held, expects the taskq_ent_t + * to already be removed from the free, work, or pending taskq lists. + */ +static void +task_free(taskq_t *tq, taskq_ent_t *t) +{ + ASSERT(tq); + ASSERT(t); + ASSERT(spin_is_locked(&tq->tq_lock)); + ASSERT(list_empty(&t->tqent_list)); + ASSERT(!timer_pending(&t->tqent_timer)); + + kmem_free(t, sizeof(taskq_ent_t)); + tq->tq_nalloc--; +} + +/* + * NOTE: Must be called with tq->tq_lock held, either destroys the + * taskq_ent_t if too many exist or moves it to the free list for later use. + */ +static void +task_done(taskq_t *tq, taskq_ent_t *t) +{ + ASSERT(tq); + ASSERT(t); + ASSERT(spin_is_locked(&tq->tq_lock)); + + /* Wake tasks blocked in taskq_wait_id() */ + wake_up_all(&t->tqent_waitq); + + list_del_init(&t->tqent_list); + + if (tq->tq_nalloc <= tq->tq_minalloc) { + t->tqent_id = 0; + t->tqent_func = NULL; + t->tqent_arg = NULL; + t->tqent_flags = 0; + + list_add_tail(&t->tqent_list, &tq->tq_free_list); + } else { + task_free(tq, t); + } +} + +/* + * When a delayed task timer expires remove it from the delay list and + * add it to the priority list in order for immediate processing. + */ +static void +task_expire(unsigned long data) +{ + taskq_ent_t *w, *t = (taskq_ent_t *)data; + taskq_t *tq = t->tqent_taskq; + struct list_head *l; + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + + if (t->tqent_flags & TQENT_FLAG_CANCEL) { + ASSERT(list_empty(&t->tqent_list)); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + return; + } + + /* + * The priority list must be maintained in strict task id order + * from lowest to highest for lowest_id to be easily calculable. + */ + list_del(&t->tqent_list); + list_for_each_prev(l, &tq->tq_prio_list) { + w = list_entry(l, taskq_ent_t, tqent_list); + if (w->tqent_id < t->tqent_id) { + list_add(&t->tqent_list, l); + break; + } + } + if (l == &tq->tq_prio_list) + list_add(&t->tqent_list, &tq->tq_prio_list); + + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + wake_up(&tq->tq_work_waitq); +} + +/* + * Returns the lowest incomplete taskqid_t. The taskqid_t may + * be queued on the pending list, on the priority list, on the + * delay list, or on the work list currently being handled, but + * it is not 100% complete yet. + */ +static taskqid_t +taskq_lowest_id(taskq_t *tq) +{ + taskqid_t lowest_id = tq->tq_next_id; + taskq_ent_t *t; + taskq_thread_t *tqt; + + ASSERT(tq); + ASSERT(spin_is_locked(&tq->tq_lock)); + + if (!list_empty(&tq->tq_pend_list)) { + t = list_entry(tq->tq_pend_list.next, taskq_ent_t, tqent_list); + lowest_id = MIN(lowest_id, t->tqent_id); + } + + if (!list_empty(&tq->tq_prio_list)) { + t = list_entry(tq->tq_prio_list.next, taskq_ent_t, tqent_list); + lowest_id = MIN(lowest_id, t->tqent_id); + } + + if (!list_empty(&tq->tq_delay_list)) { + t = list_entry(tq->tq_delay_list.next, taskq_ent_t, tqent_list); + lowest_id = MIN(lowest_id, t->tqent_id); + } + + if (!list_empty(&tq->tq_active_list)) { + tqt = list_entry(tq->tq_active_list.next, taskq_thread_t, + tqt_active_list); + ASSERT(tqt->tqt_id != 0); + lowest_id = MIN(lowest_id, tqt->tqt_id); + } + + return (lowest_id); +} + +/* + * Insert a task into a list keeping the list sorted by increasing taskqid. + */ +static void +taskq_insert_in_order(taskq_t *tq, taskq_thread_t *tqt) +{ + taskq_thread_t *w; + struct list_head *l; + + ASSERT(tq); + ASSERT(tqt); + ASSERT(spin_is_locked(&tq->tq_lock)); + + list_for_each_prev(l, &tq->tq_active_list) { + w = list_entry(l, taskq_thread_t, tqt_active_list); + if (w->tqt_id < tqt->tqt_id) { + list_add(&tqt->tqt_active_list, l); + break; + } + } + if (l == &tq->tq_active_list) + list_add(&tqt->tqt_active_list, &tq->tq_active_list); +} + +/* + * Find and return a task from the given list if it exists. The list + * must be in lowest to highest task id order. + */ +static taskq_ent_t * +taskq_find_list(taskq_t *tq, struct list_head *lh, taskqid_t id) +{ + struct list_head *l; + taskq_ent_t *t; + + ASSERT(spin_is_locked(&tq->tq_lock)); + + list_for_each(l, lh) { + t = list_entry(l, taskq_ent_t, tqent_list); + + if (t->tqent_id == id) + return (t); + + if (t->tqent_id > id) + break; + } + + return (NULL); +} + +/* + * Find an already dispatched task given the task id regardless of what + * state it is in. If a task is still pending or executing it will be + * returned and 'active' set appropriately. If the task has already + * been run then NULL is returned. + */ +static taskq_ent_t * +taskq_find(taskq_t *tq, taskqid_t id, int *active) +{ + taskq_thread_t *tqt; + struct list_head *l; + taskq_ent_t *t; + + ASSERT(spin_is_locked(&tq->tq_lock)); + *active = 0; + + t = taskq_find_list(tq, &tq->tq_delay_list, id); + if (t) + return (t); + + t = taskq_find_list(tq, &tq->tq_prio_list, id); + if (t) + return (t); + + t = taskq_find_list(tq, &tq->tq_pend_list, id); + if (t) + return (t); + + list_for_each(l, &tq->tq_active_list) { + tqt = list_entry(l, taskq_thread_t, tqt_active_list); + if (tqt->tqt_id == id) { + t = tqt->tqt_task; + *active = 1; + return (t); + } + } + + return (NULL); +} + +/* + * Theory for the taskq_wait_id(), taskq_wait_outstanding(), and + * taskq_wait() functions below. + * + * Taskq waiting is accomplished by tracking the lowest outstanding task + * id and the next available task id. As tasks are dispatched they are + * added to the tail of the pending, priority, or delay lists. As worker + * threads become available the tasks are removed from the heads of these + * lists and linked to the worker threads. This ensures the lists are + * kept sorted by lowest to highest task id. + * + * Therefore the lowest outstanding task id can be quickly determined by + * checking the head item from all of these lists. This value is stored + * with the taskq as the lowest id. It only needs to be recalculated when + * either the task with the current lowest id completes or is canceled. + * + * By blocking until the lowest task id exceeds the passed task id the + * taskq_wait_outstanding() function can be easily implemented. Similarly, + * by blocking until the lowest task id matches the next task id taskq_wait() + * can be implemented. + * + * Callers should be aware that when there are multiple worked threads it + * is possible for larger task ids to complete before smaller ones. Also + * when the taskq contains delay tasks with small task ids callers may + * block for a considerable length of time waiting for them to expire and + * execute. + */ +static int +taskq_wait_id_check(taskq_t *tq, taskqid_t id) +{ + int active = 0; + int rc; + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + rc = (taskq_find(tq, id, &active) == NULL); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + return (rc); +} + +/* + * The taskq_wait_id() function blocks until the passed task id completes. + * This does not guarantee that all lower task ids have completed. + */ +void +taskq_wait_id(taskq_t *tq, taskqid_t id) +{ + wait_event(tq->tq_wait_waitq, taskq_wait_id_check(tq, id)); +} +EXPORT_SYMBOL(taskq_wait_id); + +static int +taskq_wait_outstanding_check(taskq_t *tq, taskqid_t id) +{ + int rc; + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + rc = (id < tq->tq_lowest_id); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + return (rc); +} + +/* + * The taskq_wait_outstanding() function will block until all tasks with a + * lower taskqid than the passed 'id' have been completed. Note that all + * task id's are assigned monotonically at dispatch time. Zero may be + * passed for the id to indicate all tasks dispatch up to this point, + * but not after, should be waited for. + */ +void +taskq_wait_outstanding(taskq_t *tq, taskqid_t id) +{ + id = id ? id : tq->tq_next_id - 1; + wait_event(tq->tq_wait_waitq, taskq_wait_outstanding_check(tq, id)); +} +EXPORT_SYMBOL(taskq_wait_outstanding); + +static int +taskq_wait_check(taskq_t *tq) +{ + int rc; + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + rc = (tq->tq_lowest_id == tq->tq_next_id); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + return (rc); +} + +/* + * The taskq_wait() function will block until the taskq is empty. + * This means that if a taskq re-dispatches work to itself taskq_wait() + * callers will block indefinitely. + */ +void +taskq_wait(taskq_t *tq) +{ + wait_event(tq->tq_wait_waitq, taskq_wait_check(tq)); +} +EXPORT_SYMBOL(taskq_wait); + +static int +taskq_member_impl(taskq_t *tq, void *t) +{ + struct list_head *l; + taskq_thread_t *tqt; + int found = 0; + + ASSERT(tq); + ASSERT(t); + ASSERT(spin_is_locked(&tq->tq_lock)); + + list_for_each(l, &tq->tq_thread_list) { + tqt = list_entry(l, taskq_thread_t, tqt_thread_list); + if (tqt->tqt_thread == (struct task_struct *)t) { + found = 1; + break; + } + } + return (found); +} + +int +taskq_member(taskq_t *tq, void *t) +{ + int found; + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + found = taskq_member_impl(tq, t); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + return (found); +} +EXPORT_SYMBOL(taskq_member); + +/* + * Cancel an already dispatched task given the task id. Still pending tasks + * will be immediately canceled, and if the task is active the function will + * block until it completes. Preallocated tasks which are canceled must be + * freed by the caller. + */ +int +taskq_cancel_id(taskq_t *tq, taskqid_t id) +{ + taskq_ent_t *t; + int active = 0; + int rc = ENOENT; + + ASSERT(tq); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + t = taskq_find(tq, id, &active); + if (t && !active) { + list_del_init(&t->tqent_list); + t->tqent_flags |= TQENT_FLAG_CANCEL; + + /* + * When canceling the lowest outstanding task id we + * must recalculate the new lowest outstanding id. + */ + if (tq->tq_lowest_id == t->tqent_id) { + tq->tq_lowest_id = taskq_lowest_id(tq); + ASSERT3S(tq->tq_lowest_id, >, t->tqent_id); + } + + /* + * The task_expire() function takes the tq->tq_lock so drop + * drop the lock before synchronously cancelling the timer. + */ + if (timer_pending(&t->tqent_timer)) { + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + del_timer_sync(&t->tqent_timer); + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + } + + if (!(t->tqent_flags & TQENT_FLAG_PREALLOC)) + task_done(tq, t); + + rc = 0; + } + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + if (active) { + taskq_wait_id(tq, id); + rc = EBUSY; + } + + return (rc); +} +EXPORT_SYMBOL(taskq_cancel_id); + +static int taskq_thread_spawn(taskq_t *tq); + +taskqid_t +taskq_dispatch(taskq_t *tq, task_func_t func, void *arg, uint_t flags) +{ + taskq_ent_t *t; + taskqid_t rc = 0; + + ASSERT(tq); + ASSERT(func); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + + /* Taskq being destroyed and all tasks drained */ + if (!(tq->tq_flags & TASKQ_ACTIVE)) + goto out; + + /* Do not queue the task unless there is idle thread for it */ + ASSERT(tq->tq_nactive <= tq->tq_nthreads); + if ((flags & TQ_NOQUEUE) && (tq->tq_nactive == tq->tq_nthreads)) + goto out; + + if ((t = task_alloc(tq, flags)) == NULL) + goto out; + + spin_lock(&t->tqent_lock); + + /* Queue to the priority list instead of the pending list */ + if (flags & TQ_FRONT) + list_add_tail(&t->tqent_list, &tq->tq_prio_list); + else + list_add_tail(&t->tqent_list, &tq->tq_pend_list); + + t->tqent_id = rc = tq->tq_next_id; + tq->tq_next_id++; + t->tqent_func = func; + t->tqent_arg = arg; + t->tqent_taskq = tq; + t->tqent_timer.data = 0; + t->tqent_timer.function = NULL; + t->tqent_timer.expires = 0; + + ASSERT(!(t->tqent_flags & TQENT_FLAG_PREALLOC)); + + spin_unlock(&t->tqent_lock); + + wake_up(&tq->tq_work_waitq); +out: + /* Spawn additional taskq threads if required. */ + if (tq->tq_nactive == tq->tq_nthreads) + (void) taskq_thread_spawn(tq); + + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + return (rc); +} +EXPORT_SYMBOL(taskq_dispatch); + +taskqid_t +taskq_dispatch_delay(taskq_t *tq, task_func_t func, void *arg, + uint_t flags, clock_t expire_time) +{ + taskqid_t rc = 0; + taskq_ent_t *t; + + ASSERT(tq); + ASSERT(func); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + + /* Taskq being destroyed and all tasks drained */ + if (!(tq->tq_flags & TASKQ_ACTIVE)) + goto out; + + if ((t = task_alloc(tq, flags)) == NULL) + goto out; + + spin_lock(&t->tqent_lock); + + /* Queue to the delay list for subsequent execution */ + list_add_tail(&t->tqent_list, &tq->tq_delay_list); + + t->tqent_id = rc = tq->tq_next_id; + tq->tq_next_id++; + t->tqent_func = func; + t->tqent_arg = arg; + t->tqent_taskq = tq; + t->tqent_timer.data = (unsigned long)t; + t->tqent_timer.function = task_expire; + t->tqent_timer.expires = (unsigned long)expire_time; + add_timer(&t->tqent_timer); + + ASSERT(!(t->tqent_flags & TQENT_FLAG_PREALLOC)); + + spin_unlock(&t->tqent_lock); +out: + /* Spawn additional taskq threads if required. */ + if (tq->tq_nactive == tq->tq_nthreads) + (void) taskq_thread_spawn(tq); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + return (rc); +} +EXPORT_SYMBOL(taskq_dispatch_delay); + +void +taskq_dispatch_ent(taskq_t *tq, task_func_t func, void *arg, uint_t flags, + taskq_ent_t *t) +{ + ASSERT(tq); + ASSERT(func); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + + /* Taskq being destroyed and all tasks drained */ + if (!(tq->tq_flags & TASKQ_ACTIVE)) { + t->tqent_id = 0; + goto out; + } + + spin_lock(&t->tqent_lock); + + /* + * Mark it as a prealloc'd task. This is important + * to ensure that we don't free it later. + */ + t->tqent_flags |= TQENT_FLAG_PREALLOC; + + /* Queue to the priority list instead of the pending list */ + if (flags & TQ_FRONT) + list_add_tail(&t->tqent_list, &tq->tq_prio_list); + else + list_add_tail(&t->tqent_list, &tq->tq_pend_list); + + t->tqent_id = tq->tq_next_id; + tq->tq_next_id++; + t->tqent_func = func; + t->tqent_arg = arg; + t->tqent_taskq = tq; + + spin_unlock(&t->tqent_lock); + + wake_up(&tq->tq_work_waitq); +out: + /* Spawn additional taskq threads if required. */ + if (tq->tq_nactive == tq->tq_nthreads) + (void) taskq_thread_spawn(tq); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); +} +EXPORT_SYMBOL(taskq_dispatch_ent); + +int +taskq_empty_ent(taskq_ent_t *t) +{ + return list_empty(&t->tqent_list); +} +EXPORT_SYMBOL(taskq_empty_ent); + +void +taskq_init_ent(taskq_ent_t *t) +{ + spin_lock_init(&t->tqent_lock); + init_waitqueue_head(&t->tqent_waitq); + init_timer(&t->tqent_timer); + INIT_LIST_HEAD(&t->tqent_list); + t->tqent_id = 0; + t->tqent_func = NULL; + t->tqent_arg = NULL; + t->tqent_flags = 0; + t->tqent_taskq = NULL; +} +EXPORT_SYMBOL(taskq_init_ent); + +/* + * Return the next pending task, preference is given to tasks on the + * priority list which were dispatched with TQ_FRONT. + */ +static taskq_ent_t * +taskq_next_ent(taskq_t *tq) +{ + struct list_head *list; + + ASSERT(spin_is_locked(&tq->tq_lock)); + + if (!list_empty(&tq->tq_prio_list)) + list = &tq->tq_prio_list; + else if (!list_empty(&tq->tq_pend_list)) + list = &tq->tq_pend_list; + else + return (NULL); + + return (list_entry(list->next, taskq_ent_t, tqent_list)); +} + +/* + * Spawns a new thread for the specified taskq. + */ +static void +taskq_thread_spawn_task(void *arg) +{ + taskq_t *tq = (taskq_t *)arg; + + if (taskq_thread_create(tq) == NULL) { + /* restore spawning count if failed */ + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + tq->tq_nspawn--; + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + } +} + +/* + * Spawn addition threads for dynamic taskqs (TASKQ_DYNMAIC) the current + * number of threads is insufficient to handle the pending tasks. These + * new threads must be created by the dedicated dynamic_taskq to avoid + * deadlocks between thread creation and memory reclaim. The system_taskq + * which is also a dynamic taskq cannot be safely used for this. + */ +static int +taskq_thread_spawn(taskq_t *tq) +{ + int spawning = 0; + + if (!(tq->tq_flags & TASKQ_DYNAMIC)) + return (0); + + if ((tq->tq_nthreads + tq->tq_nspawn < tq->tq_maxthreads) && + (tq->tq_flags & TASKQ_ACTIVE)) { + spawning = (++tq->tq_nspawn); + taskq_dispatch(dynamic_taskq, taskq_thread_spawn_task, + tq, TQ_NOSLEEP); + } + + return (spawning); +} + +/* + * Threads in a dynamic taskq should only exit once it has been completely + * drained and no other threads are actively servicing tasks. This prevents + * threads from being created and destroyed more than is required. + * + * The first thread is the thread list is treated as the primary thread. + * There is nothing special about the primary thread but in order to avoid + * all the taskq pids from changing we opt to make it long running. + */ +static int +taskq_thread_should_stop(taskq_t *tq, taskq_thread_t *tqt) +{ + ASSERT(spin_is_locked(&tq->tq_lock)); + + if (!(tq->tq_flags & TASKQ_DYNAMIC)) + return (0); + + if (list_first_entry(&(tq->tq_thread_list), taskq_thread_t, + tqt_thread_list) == tqt) + return (0); + + return + ((tq->tq_nspawn == 0) && /* No threads are being spawned */ + (tq->tq_nactive == 0) && /* No threads are handling tasks */ + (tq->tq_nthreads > 1) && /* More than 1 thread is running */ + (!taskq_next_ent(tq)) && /* There are no pending tasks */ + (spl_taskq_thread_dynamic));/* Dynamic taskqs are allowed */ +} + +static int +taskq_thread(void *args) +{ + DECLARE_WAITQUEUE(wait, current); + sigset_t blocked; + taskq_thread_t *tqt = args; + taskq_t *tq; + taskq_ent_t *t; + int seq_tasks = 0; + + ASSERT(tqt); + tq = tqt->tqt_tq; + current->flags |= PF_NOFREEZE; + + (void) spl_fstrans_mark(); + + sigfillset(&blocked); + sigprocmask(SIG_BLOCK, &blocked, NULL); + flush_signals(current); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + /* + * If we are dynamically spawned, decrease spawning count. Note that + * we could be created during taskq_create, in which case we shouldn't + * do the decrement. But it's fine because taskq_create will reset + * tq_nspawn later. + */ + if (tq->tq_flags & TASKQ_DYNAMIC) + tq->tq_nspawn--; + + /* Immediately exit if more threads than allowed were created. */ + if (tq->tq_nthreads >= tq->tq_maxthreads) + goto error; + + tq->tq_nthreads++; + list_add_tail(&tqt->tqt_thread_list, &tq->tq_thread_list); + wake_up(&tq->tq_wait_waitq); + set_current_state(TASK_INTERRUPTIBLE); + + while (!kthread_should_stop()) { + + if (list_empty(&tq->tq_pend_list) && + list_empty(&tq->tq_prio_list)) { + + if (taskq_thread_should_stop(tq, tqt)) { + wake_up_all(&tq->tq_wait_waitq); + break; + } + + add_wait_queue_exclusive(&tq->tq_work_waitq, &wait); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + schedule(); + seq_tasks = 0; + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + remove_wait_queue(&tq->tq_work_waitq, &wait); + } else { + __set_current_state(TASK_RUNNING); + } + + if ((t = taskq_next_ent(tq)) != NULL) { + list_del_init(&t->tqent_list); + + /* In order to support recursively dispatching a + * preallocated taskq_ent_t, tqent_id must be + * stored prior to executing tqent_func. */ + tqt->tqt_id = t->tqent_id; + tqt->tqt_task = t; + + /* We must store a copy of the flags prior to + * servicing the task (servicing a prealloc'd task + * returns the ownership of the tqent back to + * the caller of taskq_dispatch). Thus, + * tqent_flags _may_ change within the call. */ + tqt->tqt_flags = t->tqent_flags; + + taskq_insert_in_order(tq, tqt); + tq->tq_nactive++; + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + /* Perform the requested task */ + t->tqent_func(t->tqent_arg); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + tq->tq_nactive--; + list_del_init(&tqt->tqt_active_list); + tqt->tqt_task = NULL; + + /* For prealloc'd tasks, we don't free anything. */ + if (!(tqt->tqt_flags & TQENT_FLAG_PREALLOC)) + task_done(tq, t); + + /* When the current lowest outstanding taskqid is + * done calculate the new lowest outstanding id */ + if (tq->tq_lowest_id == tqt->tqt_id) { + tq->tq_lowest_id = taskq_lowest_id(tq); + ASSERT3S(tq->tq_lowest_id, >, tqt->tqt_id); + } + + /* Spawn additional taskq threads if required. */ + if ((++seq_tasks) > spl_taskq_thread_sequential && + taskq_thread_spawn(tq)) + seq_tasks = 0; + + tqt->tqt_id = 0; + tqt->tqt_flags = 0; + wake_up_all(&tq->tq_wait_waitq); + } else { + if (taskq_thread_should_stop(tq, tqt)) + break; + } + + set_current_state(TASK_INTERRUPTIBLE); + + } + + __set_current_state(TASK_RUNNING); + tq->tq_nthreads--; + list_del_init(&tqt->tqt_thread_list); +error: + kmem_free(tqt, sizeof (taskq_thread_t)); + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + return (0); +} + +static taskq_thread_t * +taskq_thread_create(taskq_t *tq) +{ + static int last_used_cpu = 0; + taskq_thread_t *tqt; + + tqt = kmem_alloc(sizeof (*tqt), KM_PUSHPAGE); + INIT_LIST_HEAD(&tqt->tqt_thread_list); + INIT_LIST_HEAD(&tqt->tqt_active_list); + tqt->tqt_tq = tq; + tqt->tqt_id = 0; + + tqt->tqt_thread = spl_kthread_create(taskq_thread, tqt, + "%s", tq->tq_name); + if (tqt->tqt_thread == NULL) { + kmem_free(tqt, sizeof (taskq_thread_t)); + return (NULL); + } + + if (spl_taskq_thread_bind) { + last_used_cpu = (last_used_cpu + 1) % num_online_cpus(); + kthread_bind(tqt->tqt_thread, last_used_cpu); + } + + if (spl_taskq_thread_priority) + set_user_nice(tqt->tqt_thread, PRIO_TO_NICE(tq->tq_pri)); + + wake_up_process(tqt->tqt_thread); + + return (tqt); +} + +taskq_t * +taskq_create(const char *name, int nthreads, pri_t pri, + int minalloc, int maxalloc, uint_t flags) +{ + taskq_t *tq; + taskq_thread_t *tqt; + int count = 0, rc = 0, i; + + ASSERT(name != NULL); + ASSERT(minalloc >= 0); + ASSERT(maxalloc <= INT_MAX); + ASSERT(!(flags & (TASKQ_CPR_SAFE))); /* Unsupported */ + + /* Scale the number of threads using nthreads as a percentage */ + if (flags & TASKQ_THREADS_CPU_PCT) { + ASSERT(nthreads <= 100); + ASSERT(nthreads >= 0); + nthreads = MIN(nthreads, 100); + nthreads = MAX(nthreads, 0); + nthreads = MAX((num_online_cpus() * nthreads) / 100, 1); + } + + tq = kmem_alloc(sizeof (*tq), KM_PUSHPAGE); + if (tq == NULL) + return (NULL); + + spin_lock_init(&tq->tq_lock); + INIT_LIST_HEAD(&tq->tq_thread_list); + INIT_LIST_HEAD(&tq->tq_active_list); + tq->tq_name = strdup(name); + tq->tq_nactive = 0; + tq->tq_nthreads = 0; + tq->tq_nspawn = 0; + tq->tq_maxthreads = nthreads; + tq->tq_pri = pri; + tq->tq_minalloc = minalloc; + tq->tq_maxalloc = maxalloc; + tq->tq_nalloc = 0; + tq->tq_flags = (flags | TASKQ_ACTIVE); + tq->tq_next_id = 1; + tq->tq_lowest_id = 1; + INIT_LIST_HEAD(&tq->tq_free_list); + INIT_LIST_HEAD(&tq->tq_pend_list); + INIT_LIST_HEAD(&tq->tq_prio_list); + INIT_LIST_HEAD(&tq->tq_delay_list); + init_waitqueue_head(&tq->tq_work_waitq); + init_waitqueue_head(&tq->tq_wait_waitq); + + if (flags & TASKQ_PREPOPULATE) { + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + + for (i = 0; i < minalloc; i++) + task_done(tq, task_alloc(tq, TQ_PUSHPAGE | TQ_NEW)); + + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + } + + if ((flags & TASKQ_DYNAMIC) && spl_taskq_thread_dynamic) + nthreads = 1; + + for (i = 0; i < nthreads; i++) { + tqt = taskq_thread_create(tq); + if (tqt == NULL) + rc = 1; + else + count++; + } + + /* Wait for all threads to be started before potential destroy */ + wait_event(tq->tq_wait_waitq, tq->tq_nthreads == count); + /* + * taskq_thread might have touched nspawn, but we don't want them to + * because they're not dynamically spawned. So we reset it to 0 + */ + tq->tq_nspawn = 0; + + if (rc) { + taskq_destroy(tq); + tq = NULL; + } + + return (tq); +} +EXPORT_SYMBOL(taskq_create); + +void +taskq_destroy(taskq_t *tq) +{ + struct task_struct *thread; + taskq_thread_t *tqt; + taskq_ent_t *t; + + ASSERT(tq); + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + tq->tq_flags &= ~TASKQ_ACTIVE; + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + /* + * When TASKQ_ACTIVE is clear new tasks may not be added nor may + * new worker threads be spawned for dynamic taskq. + */ + if (dynamic_taskq != NULL) + taskq_wait_outstanding(dynamic_taskq, 0); + + taskq_wait(tq); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + /* wait for spawning threads to insert themselves to the list */ + while (tq->tq_nspawn) { + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + schedule_timeout_interruptible(1); + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + } + + /* + * Signal each thread to exit and block until it does. Each thread + * is responsible for removing itself from the list and freeing its + * taskq_thread_t. This allows for idle threads to opt to remove + * themselves from the taskq. They can be recreated as needed. + */ + while (!list_empty(&tq->tq_thread_list)) { + tqt = list_entry(tq->tq_thread_list.next, + taskq_thread_t, tqt_thread_list); + thread = tqt->tqt_thread; + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + kthread_stop(thread); + + spin_lock_irqsave(&tq->tq_lock, tq->tq_lock_flags); + } + + while (!list_empty(&tq->tq_free_list)) { + t = list_entry(tq->tq_free_list.next, taskq_ent_t, tqent_list); + + ASSERT(!(t->tqent_flags & TQENT_FLAG_PREALLOC)); + + list_del_init(&t->tqent_list); + task_free(tq, t); + } + + ASSERT0(tq->tq_nthreads); + ASSERT0(tq->tq_nalloc); + ASSERT0(tq->tq_nspawn); + ASSERT(list_empty(&tq->tq_thread_list)); + ASSERT(list_empty(&tq->tq_active_list)); + ASSERT(list_empty(&tq->tq_free_list)); + ASSERT(list_empty(&tq->tq_pend_list)); + ASSERT(list_empty(&tq->tq_prio_list)); + ASSERT(list_empty(&tq->tq_delay_list)); + + spin_unlock_irqrestore(&tq->tq_lock, tq->tq_lock_flags); + + strfree(tq->tq_name); + kmem_free(tq, sizeof (taskq_t)); +} +EXPORT_SYMBOL(taskq_destroy); + +int +spl_taskq_init(void) +{ + system_taskq = taskq_create("spl_system_taskq", MAX(boot_ncpus, 64), + maxclsyspri, boot_ncpus, INT_MAX, TASKQ_PREPOPULATE|TASKQ_DYNAMIC); + if (system_taskq == NULL) + return (1); + + dynamic_taskq = taskq_create("spl_dynamic_taskq", 1, + maxclsyspri, boot_ncpus, INT_MAX, TASKQ_PREPOPULATE); + if (dynamic_taskq == NULL) { + taskq_destroy(system_taskq); + return (1); + } + + return (0); +} + +void +spl_taskq_fini(void) +{ + taskq_destroy(dynamic_taskq); + dynamic_taskq = NULL; + + taskq_destroy(system_taskq); + system_taskq = NULL; +} diff --git a/spl/module/spl/spl-thread.c b/spl/module/spl/spl-thread.c new file mode 100644 index 000000000000..b0f4d5715757 --- /dev/null +++ b/spl/module/spl/spl-thread.c @@ -0,0 +1,158 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Thread Implementation. +\*****************************************************************************/ + +#include +#include +#include + +/* + * Thread interfaces + */ +typedef struct thread_priv_s { + unsigned long tp_magic; /* Magic */ + int tp_name_size; /* Name size */ + char *tp_name; /* Name (without _thread suffix) */ + void (*tp_func)(void *); /* Registered function */ + void *tp_args; /* Args to be passed to function */ + size_t tp_len; /* Len to be passed to function */ + int tp_state; /* State to start thread at */ + pri_t tp_pri; /* Priority to start threat at */ +} thread_priv_t; + +static int +thread_generic_wrapper(void *arg) +{ + thread_priv_t *tp = (thread_priv_t *)arg; + void (*func)(void *); + void *args; + + ASSERT(tp->tp_magic == TP_MAGIC); + func = tp->tp_func; + args = tp->tp_args; + set_current_state(tp->tp_state); + set_user_nice((kthread_t *)current, PRIO_TO_NICE(tp->tp_pri)); + kmem_free(tp->tp_name, tp->tp_name_size); + kmem_free(tp, sizeof(thread_priv_t)); + + if (func) + func(args); + + return 0; +} + +void +__thread_exit(void) +{ + tsd_exit(); + complete_and_exit(NULL, 0); + /* Unreachable */ +} +EXPORT_SYMBOL(__thread_exit); + +/* thread_create() may block forever if it cannot create a thread or + * allocate memory. This is preferable to returning a NULL which Solaris + * style callers likely never check for... since it can't fail. */ +kthread_t * +__thread_create(caddr_t stk, size_t stksize, thread_func_t func, + const char *name, void *args, size_t len, proc_t *pp, + int state, pri_t pri) +{ + thread_priv_t *tp; + struct task_struct *tsk; + char *p; + + /* Option pp is simply ignored */ + /* Variable stack size unsupported */ + ASSERT(stk == NULL); + + tp = kmem_alloc(sizeof(thread_priv_t), KM_PUSHPAGE); + if (tp == NULL) + return (NULL); + + tp->tp_magic = TP_MAGIC; + tp->tp_name_size = strlen(name) + 1; + + tp->tp_name = kmem_alloc(tp->tp_name_size, KM_PUSHPAGE); + if (tp->tp_name == NULL) { + kmem_free(tp, sizeof(thread_priv_t)); + return (NULL); + } + + strncpy(tp->tp_name, name, tp->tp_name_size); + + /* Strip trailing "_thread" from passed name which will be the func + * name since the exposed API has no parameter for passing a name. + */ + p = strstr(tp->tp_name, "_thread"); + if (p) + p[0] = '\0'; + + tp->tp_func = func; + tp->tp_args = args; + tp->tp_len = len; + tp->tp_state = state; + tp->tp_pri = pri; + + tsk = spl_kthread_create(thread_generic_wrapper, (void *)tp, + "%s", tp->tp_name); + if (IS_ERR(tsk)) + return (NULL); + + wake_up_process(tsk); + return ((kthread_t *)tsk); +} +EXPORT_SYMBOL(__thread_create); + +/* + * spl_kthread_create - Wrapper providing pre-3.13 semantics for + * kthread_create() in which it is not killable and less likely + * to return -ENOMEM. + */ +struct task_struct * +spl_kthread_create(int (*func)(void *), void *data, const char namefmt[], ...) +{ + struct task_struct *tsk; + va_list args; + char name[TASK_COMM_LEN]; + + va_start(args, namefmt); + vsnprintf(name, sizeof(name), namefmt, args); + va_end(args); + do { + tsk = kthread_create(func, data, "%s", name); + if (IS_ERR(tsk)) { + if (signal_pending(current)) { + clear_thread_flag(TIF_SIGPENDING); + continue; + } + if (PTR_ERR(tsk) == -ENOMEM) + continue; + return (NULL); + } else + return (tsk); + } while (1); +} +EXPORT_SYMBOL(spl_kthread_create); diff --git a/spl/module/spl/spl-tsd.c b/spl/module/spl/spl-tsd.c new file mode 100644 index 000000000000..4d0800e5a11f --- /dev/null +++ b/spl/module/spl/spl-tsd.c @@ -0,0 +1,694 @@ +/* + * Copyright (C) 2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + * + * + * Solaris Porting Layer (SPL) Thread Specific Data Implementation. + * + * Thread specific data has implemented using a hash table, this avoids + * the need to add a member to the task structure and allows maximum + * portability between kernels. This implementation has been optimized + * to keep the tsd_set() and tsd_get() times as small as possible. + * + * The majority of the entries in the hash table are for specific tsd + * entries. These entries are hashed by the product of their key and + * pid because by design the key and pid are guaranteed to be unique. + * Their product also has the desirable properly that it will be uniformly + * distributed over the hash bins providing neither the pid nor key is zero. + * Under linux the zero pid is always the init process and thus won't be + * used, and this implementation is careful to never to assign a zero key. + * By default the hash table is sized to 512 bins which is expected to + * be sufficient for light to moderate usage of thread specific data. + * + * The hash table contains two additional type of entries. They first + * type is entry is called a 'key' entry and it is added to the hash during + * tsd_create(). It is used to store the address of the destructor function + * and it is used as an anchor point. All tsd entries which use the same + * key will be linked to this entry. This is used during tsd_destory() to + * quickly call the destructor function for all tsd associated with the key. + * The 'key' entry may be looked up with tsd_hash_search() by passing the + * key you wish to lookup and DTOR_PID constant as the pid. + * + * The second type of entry is called a 'pid' entry and it is added to the + * hash the first time a process set a key. The 'pid' entry is also used + * as an anchor and all tsd for the process will be linked to it. This + * list is using during tsd_exit() to ensure all registered destructors + * are run for the process. The 'pid' entry may be looked up with + * tsd_hash_search() by passing the PID_KEY constant as the key, and + * the process pid. Note that tsd_exit() is called by thread_exit() + * so if your using the Solaris thread API you should not need to call + * tsd_exit() directly. + * + */ + +#include +#include +#include +#include + +typedef struct tsd_hash_bin { + spinlock_t hb_lock; + struct hlist_head hb_head; +} tsd_hash_bin_t; + +typedef struct tsd_hash_table { + spinlock_t ht_lock; + uint_t ht_bits; + uint_t ht_key; + tsd_hash_bin_t *ht_bins; +} tsd_hash_table_t; + +typedef struct tsd_hash_entry { + uint_t he_key; + pid_t he_pid; + dtor_func_t he_dtor; + void *he_value; + struct hlist_node he_list; + struct list_head he_key_list; + struct list_head he_pid_list; +} tsd_hash_entry_t; + +static tsd_hash_table_t *tsd_hash_table = NULL; + + +/* + * tsd_hash_search - searches hash table for tsd_hash_entry + * @table: hash table + * @key: search key + * @pid: search pid + */ +static tsd_hash_entry_t * +tsd_hash_search(tsd_hash_table_t *table, uint_t key, pid_t pid) +{ + struct hlist_node *node; + tsd_hash_entry_t *entry; + tsd_hash_bin_t *bin; + ulong_t hash; + + hash = hash_long((ulong_t)key * (ulong_t)pid, table->ht_bits); + bin = &table->ht_bins[hash]; + spin_lock(&bin->hb_lock); + hlist_for_each(node, &bin->hb_head) { + entry = list_entry(node, tsd_hash_entry_t, he_list); + if ((entry->he_key == key) && (entry->he_pid == pid)) { + spin_unlock(&bin->hb_lock); + return (entry); + } + } + + spin_unlock(&bin->hb_lock); + return (NULL); +} + +/* + * tsd_hash_dtor - call the destructor and free all entries on the list + * @work: list of hash entries + * + * For a list of entries which have all already been removed from the + * hash call their registered destructor then free the associated memory. + */ +static void +tsd_hash_dtor(struct hlist_head *work) +{ + tsd_hash_entry_t *entry; + + while (!hlist_empty(work)) { + entry = hlist_entry(work->first, tsd_hash_entry_t, he_list); + hlist_del(&entry->he_list); + + if (entry->he_dtor && entry->he_pid != DTOR_PID) + entry->he_dtor(entry->he_value); + + kmem_free(entry, sizeof (tsd_hash_entry_t)); + } +} + +/* + * tsd_hash_add - adds an entry to hash table + * @table: hash table + * @key: search key + * @pid: search pid + * + * The caller is responsible for ensuring the unique key/pid do not + * already exist in the hash table. This possible because all entries + * are thread specific thus a concurrent thread will never attempt to + * add this key/pid. Because multiple bins must be checked to add + * links to the dtor and pid entries the entire table is locked. + */ +static int +tsd_hash_add(tsd_hash_table_t *table, uint_t key, pid_t pid, void *value) +{ + tsd_hash_entry_t *entry, *dtor_entry, *pid_entry; + tsd_hash_bin_t *bin; + ulong_t hash; + int rc = 0; + + ASSERT3P(tsd_hash_search(table, key, pid), ==, NULL); + + /* New entry allocate structure, set value, and add to hash */ + entry = kmem_alloc(sizeof (tsd_hash_entry_t), KM_PUSHPAGE); + if (entry == NULL) + return (ENOMEM); + + entry->he_key = key; + entry->he_pid = pid; + entry->he_value = value; + INIT_HLIST_NODE(&entry->he_list); + INIT_LIST_HEAD(&entry->he_key_list); + INIT_LIST_HEAD(&entry->he_pid_list); + + spin_lock(&table->ht_lock); + + /* Destructor entry must exist for all valid keys */ + dtor_entry = tsd_hash_search(table, entry->he_key, DTOR_PID); + ASSERT3P(dtor_entry, !=, NULL); + entry->he_dtor = dtor_entry->he_dtor; + + /* Process entry must exist for all valid processes */ + pid_entry = tsd_hash_search(table, PID_KEY, entry->he_pid); + ASSERT3P(pid_entry, !=, NULL); + + hash = hash_long((ulong_t)key * (ulong_t)pid, table->ht_bits); + bin = &table->ht_bins[hash]; + spin_lock(&bin->hb_lock); + + /* Add to the hash, key, and pid lists */ + hlist_add_head(&entry->he_list, &bin->hb_head); + list_add(&entry->he_key_list, &dtor_entry->he_key_list); + list_add(&entry->he_pid_list, &pid_entry->he_pid_list); + + spin_unlock(&bin->hb_lock); + spin_unlock(&table->ht_lock); + + return (rc); +} + +/* + * tsd_hash_add_key - adds a destructor entry to the hash table + * @table: hash table + * @keyp: search key + * @dtor: key destructor + * + * For every unique key there is a single entry in the hash which is used + * as anchor. All other thread specific entries for this key are linked + * to this anchor via the 'he_key_list' list head. On return they keyp + * will be set to the next available key for the hash table. + */ +static int +tsd_hash_add_key(tsd_hash_table_t *table, uint_t *keyp, dtor_func_t dtor) +{ + tsd_hash_entry_t *tmp_entry, *entry; + tsd_hash_bin_t *bin; + ulong_t hash; + int keys_checked = 0; + + ASSERT3P(table, !=, NULL); + + /* Allocate entry to be used as a destructor for this key */ + entry = kmem_alloc(sizeof (tsd_hash_entry_t), KM_PUSHPAGE); + if (entry == NULL) + return (ENOMEM); + + /* Determine next available key value */ + spin_lock(&table->ht_lock); + do { + /* Limited to TSD_KEYS_MAX concurrent unique keys */ + if (table->ht_key++ > TSD_KEYS_MAX) + table->ht_key = 1; + + /* Ensure failure when all TSD_KEYS_MAX keys are in use */ + if (keys_checked++ >= TSD_KEYS_MAX) { + spin_unlock(&table->ht_lock); + return (ENOENT); + } + + tmp_entry = tsd_hash_search(table, table->ht_key, DTOR_PID); + } while (tmp_entry); + + /* Add destructor entry in to hash table */ + entry->he_key = *keyp = table->ht_key; + entry->he_pid = DTOR_PID; + entry->he_dtor = dtor; + entry->he_value = NULL; + INIT_HLIST_NODE(&entry->he_list); + INIT_LIST_HEAD(&entry->he_key_list); + INIT_LIST_HEAD(&entry->he_pid_list); + + hash = hash_long((ulong_t)*keyp * (ulong_t)DTOR_PID, table->ht_bits); + bin = &table->ht_bins[hash]; + spin_lock(&bin->hb_lock); + + hlist_add_head(&entry->he_list, &bin->hb_head); + + spin_unlock(&bin->hb_lock); + spin_unlock(&table->ht_lock); + + return (0); +} + +/* + * tsd_hash_add_pid - adds a process entry to the hash table + * @table: hash table + * @pid: search pid + * + * For every process these is a single entry in the hash which is used + * as anchor. All other thread specific entries for this process are + * linked to this anchor via the 'he_pid_list' list head. + */ +static int +tsd_hash_add_pid(tsd_hash_table_t *table, pid_t pid) +{ + tsd_hash_entry_t *entry; + tsd_hash_bin_t *bin; + ulong_t hash; + + /* Allocate entry to be used as the process reference */ + entry = kmem_alloc(sizeof (tsd_hash_entry_t), KM_PUSHPAGE); + if (entry == NULL) + return (ENOMEM); + + spin_lock(&table->ht_lock); + entry->he_key = PID_KEY; + entry->he_pid = pid; + entry->he_dtor = NULL; + entry->he_value = NULL; + INIT_HLIST_NODE(&entry->he_list); + INIT_LIST_HEAD(&entry->he_key_list); + INIT_LIST_HEAD(&entry->he_pid_list); + + hash = hash_long((ulong_t)PID_KEY * (ulong_t)pid, table->ht_bits); + bin = &table->ht_bins[hash]; + spin_lock(&bin->hb_lock); + + hlist_add_head(&entry->he_list, &bin->hb_head); + + spin_unlock(&bin->hb_lock); + spin_unlock(&table->ht_lock); + + return (0); +} + +/* + * tsd_hash_del - delete an entry from hash table, key, and pid lists + * @table: hash table + * @key: search key + * @pid: search pid + */ +static void +tsd_hash_del(tsd_hash_table_t *table, tsd_hash_entry_t *entry) +{ + ASSERT(spin_is_locked(&table->ht_lock)); + hlist_del(&entry->he_list); + list_del_init(&entry->he_key_list); + list_del_init(&entry->he_pid_list); +} + +/* + * tsd_hash_table_init - allocate a hash table + * @bits: hash table size + * + * A hash table with 2^bits bins will be created, it may not be resized + * after the fact and must be free'd with tsd_hash_table_fini(). + */ +static tsd_hash_table_t * +tsd_hash_table_init(uint_t bits) +{ + tsd_hash_table_t *table; + int hash, size = (1 << bits); + + table = kmem_zalloc(sizeof (tsd_hash_table_t), KM_SLEEP); + if (table == NULL) + return (NULL); + + table->ht_bins = kmem_zalloc(sizeof (tsd_hash_bin_t) * size, KM_SLEEP); + if (table->ht_bins == NULL) { + kmem_free(table, sizeof (tsd_hash_table_t)); + return (NULL); + } + + for (hash = 0; hash < size; hash++) { + spin_lock_init(&table->ht_bins[hash].hb_lock); + INIT_HLIST_HEAD(&table->ht_bins[hash].hb_head); + } + + spin_lock_init(&table->ht_lock); + table->ht_bits = bits; + table->ht_key = 1; + + return (table); +} + +/* + * tsd_hash_table_fini - free a hash table + * @table: hash table + * + * Free a hash table allocated by tsd_hash_table_init(). If the hash + * table is not empty this function will call the proper destructor for + * all remaining entries before freeing the memory used by those entries. + */ +static void +tsd_hash_table_fini(tsd_hash_table_t *table) +{ + HLIST_HEAD(work); + tsd_hash_bin_t *bin; + tsd_hash_entry_t *entry; + int size, i; + + ASSERT3P(table, !=, NULL); + spin_lock(&table->ht_lock); + for (i = 0, size = (1 << table->ht_bits); i < size; i++) { + bin = &table->ht_bins[i]; + spin_lock(&bin->hb_lock); + while (!hlist_empty(&bin->hb_head)) { + entry = hlist_entry(bin->hb_head.first, + tsd_hash_entry_t, he_list); + tsd_hash_del(table, entry); + hlist_add_head(&entry->he_list, &work); + } + spin_unlock(&bin->hb_lock); + } + spin_unlock(&table->ht_lock); + + tsd_hash_dtor(&work); + kmem_free(table->ht_bins, sizeof (tsd_hash_bin_t)*(1<ht_bits)); + kmem_free(table, sizeof (tsd_hash_table_t)); +} + +/* + * tsd_remove_entry - remove a tsd entry for this thread + * @entry: entry to remove + * + * Remove the thread specific data @entry for this thread. + * If this is the last entry for this thread, also remove the PID entry. + */ +static void +tsd_remove_entry(tsd_hash_entry_t *entry) +{ + HLIST_HEAD(work); + tsd_hash_table_t *table; + tsd_hash_entry_t *pid_entry; + tsd_hash_bin_t *pid_entry_bin, *entry_bin; + ulong_t hash; + + table = tsd_hash_table; + ASSERT3P(table, !=, NULL); + ASSERT3P(entry, !=, NULL); + + spin_lock(&table->ht_lock); + + hash = hash_long((ulong_t)entry->he_key * + (ulong_t)entry->he_pid, table->ht_bits); + entry_bin = &table->ht_bins[hash]; + + /* save the possible pid_entry */ + pid_entry = list_entry(entry->he_pid_list.next, tsd_hash_entry_t, + he_pid_list); + + /* remove entry */ + spin_lock(&entry_bin->hb_lock); + tsd_hash_del(table, entry); + hlist_add_head(&entry->he_list, &work); + spin_unlock(&entry_bin->hb_lock); + + /* if pid_entry is indeed pid_entry, then remove it if it's empty */ + if (pid_entry->he_key == PID_KEY && + list_empty(&pid_entry->he_pid_list)) { + hash = hash_long((ulong_t)pid_entry->he_key * + (ulong_t)pid_entry->he_pid, table->ht_bits); + pid_entry_bin = &table->ht_bins[hash]; + + spin_lock(&pid_entry_bin->hb_lock); + tsd_hash_del(table, pid_entry); + hlist_add_head(&pid_entry->he_list, &work); + spin_unlock(&pid_entry_bin->hb_lock); + } + + spin_unlock(&table->ht_lock); + + tsd_hash_dtor(&work); +} + +/* + * tsd_set - set thread specific data + * @key: lookup key + * @value: value to set + * + * Caller must prevent racing tsd_create() or tsd_destroy(), protected + * from racing tsd_get() or tsd_set() because it is thread specific. + * This function has been optimized to be fast for the update case. + * When setting the tsd initially it will be slower due to additional + * required locking and potential memory allocations. + */ +int +tsd_set(uint_t key, void *value) +{ + tsd_hash_table_t *table; + tsd_hash_entry_t *entry; + pid_t pid; + int rc; + /* mark remove if value is NULL */ + boolean_t remove = (value == NULL); + + table = tsd_hash_table; + pid = curthread->pid; + ASSERT3P(table, !=, NULL); + + if ((key == 0) || (key > TSD_KEYS_MAX)) + return (EINVAL); + + /* Entry already exists in hash table update value */ + entry = tsd_hash_search(table, key, pid); + if (entry) { + entry->he_value = value; + /* remove the entry */ + if (remove) + tsd_remove_entry(entry); + return (0); + } + + /* don't create entry if value is NULL */ + if (remove) + return (0); + + /* Add a process entry to the hash if not yet exists */ + entry = tsd_hash_search(table, PID_KEY, pid); + if (entry == NULL) { + rc = tsd_hash_add_pid(table, pid); + if (rc) + return (rc); + } + + rc = tsd_hash_add(table, key, pid, value); + return (rc); +} +EXPORT_SYMBOL(tsd_set); + +/* + * tsd_get - get thread specific data + * @key: lookup key + * + * Caller must prevent racing tsd_create() or tsd_destroy(). This + * implementation is designed to be fast and scalable, it does not + * lock the entire table only a single hash bin. + */ +void * +tsd_get(uint_t key) +{ + tsd_hash_entry_t *entry; + + ASSERT3P(tsd_hash_table, !=, NULL); + + if ((key == 0) || (key > TSD_KEYS_MAX)) + return (NULL); + + entry = tsd_hash_search(tsd_hash_table, key, curthread->pid); + if (entry == NULL) + return (NULL); + + return (entry->he_value); +} +EXPORT_SYMBOL(tsd_get); + +/* + * tsd_create - create thread specific data key + * @keyp: lookup key address + * @dtor: destructor called during tsd_destroy() or tsd_exit() + * + * Provided key must be set to 0 or it assumed to be already in use. + * The dtor is allowed to be NULL in which case no additional cleanup + * for the data is performed during tsd_destroy() or tsd_exit(). + * + * Caller must prevent racing tsd_set() or tsd_get(), this function is + * safe from racing tsd_create(), tsd_destroy(), and tsd_exit(). + */ +void +tsd_create(uint_t *keyp, dtor_func_t dtor) +{ + ASSERT3P(keyp, !=, NULL); + if (*keyp) + return; + + (void) tsd_hash_add_key(tsd_hash_table, keyp, dtor); +} +EXPORT_SYMBOL(tsd_create); + +/* + * tsd_destroy - destroy thread specific data + * @keyp: lookup key address + * + * Destroys the thread specific data on all threads which use this key. + * + * Caller must prevent racing tsd_set() or tsd_get(), this function is + * safe from racing tsd_create(), tsd_destroy(), and tsd_exit(). + */ +void +tsd_destroy(uint_t *keyp) +{ + HLIST_HEAD(work); + tsd_hash_table_t *table; + tsd_hash_entry_t *dtor_entry, *entry; + tsd_hash_bin_t *dtor_entry_bin, *entry_bin; + ulong_t hash; + + table = tsd_hash_table; + ASSERT3P(table, !=, NULL); + + spin_lock(&table->ht_lock); + dtor_entry = tsd_hash_search(table, *keyp, DTOR_PID); + if (dtor_entry == NULL) { + spin_unlock(&table->ht_lock); + return; + } + + /* + * All threads which use this key must be linked off of the + * DTOR_PID entry. They are removed from the hash table and + * linked in to a private working list to be destroyed. + */ + while (!list_empty(&dtor_entry->he_key_list)) { + entry = list_entry(dtor_entry->he_key_list.next, + tsd_hash_entry_t, he_key_list); + ASSERT3U(dtor_entry->he_key, ==, entry->he_key); + ASSERT3P(dtor_entry->he_dtor, ==, entry->he_dtor); + + hash = hash_long((ulong_t)entry->he_key * + (ulong_t)entry->he_pid, table->ht_bits); + entry_bin = &table->ht_bins[hash]; + + spin_lock(&entry_bin->hb_lock); + tsd_hash_del(table, entry); + hlist_add_head(&entry->he_list, &work); + spin_unlock(&entry_bin->hb_lock); + } + + hash = hash_long((ulong_t)dtor_entry->he_key * + (ulong_t)dtor_entry->he_pid, table->ht_bits); + dtor_entry_bin = &table->ht_bins[hash]; + + spin_lock(&dtor_entry_bin->hb_lock); + tsd_hash_del(table, dtor_entry); + hlist_add_head(&dtor_entry->he_list, &work); + spin_unlock(&dtor_entry_bin->hb_lock); + spin_unlock(&table->ht_lock); + + tsd_hash_dtor(&work); + *keyp = 0; +} +EXPORT_SYMBOL(tsd_destroy); + +/* + * tsd_exit - destroys all thread specific data for this thread + * + * Destroys all the thread specific data for this thread. + * + * Caller must prevent racing tsd_set() or tsd_get(), this function is + * safe from racing tsd_create(), tsd_destroy(), and tsd_exit(). + */ +void +tsd_exit(void) +{ + HLIST_HEAD(work); + tsd_hash_table_t *table; + tsd_hash_entry_t *pid_entry, *entry; + tsd_hash_bin_t *pid_entry_bin, *entry_bin; + ulong_t hash; + + table = tsd_hash_table; + ASSERT3P(table, !=, NULL); + + spin_lock(&table->ht_lock); + pid_entry = tsd_hash_search(table, PID_KEY, curthread->pid); + if (pid_entry == NULL) { + spin_unlock(&table->ht_lock); + return; + } + + /* + * All keys associated with this pid must be linked off of the + * PID_KEY entry. They are removed from the hash table and + * linked in to a private working list to be destroyed. + */ + + while (!list_empty(&pid_entry->he_pid_list)) { + entry = list_entry(pid_entry->he_pid_list.next, + tsd_hash_entry_t, he_pid_list); + ASSERT3U(pid_entry->he_pid, ==, entry->he_pid); + + hash = hash_long((ulong_t)entry->he_key * + (ulong_t)entry->he_pid, table->ht_bits); + entry_bin = &table->ht_bins[hash]; + + spin_lock(&entry_bin->hb_lock); + tsd_hash_del(table, entry); + hlist_add_head(&entry->he_list, &work); + spin_unlock(&entry_bin->hb_lock); + } + + hash = hash_long((ulong_t)pid_entry->he_key * + (ulong_t)pid_entry->he_pid, table->ht_bits); + pid_entry_bin = &table->ht_bins[hash]; + + spin_lock(&pid_entry_bin->hb_lock); + tsd_hash_del(table, pid_entry); + hlist_add_head(&pid_entry->he_list, &work); + spin_unlock(&pid_entry_bin->hb_lock); + spin_unlock(&table->ht_lock); + + tsd_hash_dtor(&work); +} +EXPORT_SYMBOL(tsd_exit); + +int +spl_tsd_init(void) +{ + tsd_hash_table = tsd_hash_table_init(TSD_HASH_TABLE_BITS_DEFAULT); + if (tsd_hash_table == NULL) + return (1); + + return (0); +} + +void +spl_tsd_fini(void) +{ + tsd_hash_table_fini(tsd_hash_table); + tsd_hash_table = NULL; +} diff --git a/spl/module/spl/spl-vmem.c b/spl/module/spl/spl-vmem.c new file mode 100644 index 000000000000..e177988a7e2d --- /dev/null +++ b/spl/module/spl/spl-vmem.c @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + */ + +#include +#include +#include +#include + +vmem_t *heap_arena = NULL; +EXPORT_SYMBOL(heap_arena); + +vmem_t *zio_alloc_arena = NULL; +EXPORT_SYMBOL(zio_alloc_arena); + +vmem_t *zio_arena = NULL; +EXPORT_SYMBOL(zio_arena); + +size_t +vmem_size(vmem_t *vmp, int typemask) +{ + ASSERT3P(vmp, ==, NULL); + ASSERT3S(typemask & VMEM_ALLOC, ==, VMEM_ALLOC); + ASSERT3S(typemask & VMEM_FREE, ==, VMEM_FREE); + + return (VMALLOC_TOTAL); +} +EXPORT_SYMBOL(vmem_size); + +/* + * Public vmem_alloc(), vmem_zalloc() and vmem_free() interfaces. + */ +void * +spl_vmem_alloc(size_t size, int flags, const char *func, int line) +{ + ASSERT0(flags & ~KM_PUBLIC_MASK); + + flags |= KM_VMEM; + +#if !defined(DEBUG_KMEM) + return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE)); +#elif !defined(DEBUG_KMEM_TRACKING) + return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE)); +#else + return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE)); +#endif +} +EXPORT_SYMBOL(spl_vmem_alloc); + +void * +spl_vmem_zalloc(size_t size, int flags, const char *func, int line) +{ + ASSERT0(flags & ~KM_PUBLIC_MASK); + + flags |= (KM_VMEM | KM_ZERO); + +#if !defined(DEBUG_KMEM) + return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE)); +#elif !defined(DEBUG_KMEM_TRACKING) + return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE)); +#else + return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE)); +#endif +} +EXPORT_SYMBOL(spl_vmem_zalloc); + +void +spl_vmem_free(const void *buf, size_t size) +{ +#if !defined(DEBUG_KMEM) + return (spl_kmem_free_impl(buf, size)); +#elif !defined(DEBUG_KMEM_TRACKING) + return (spl_kmem_free_debug(buf, size)); +#else + return (spl_kmem_free_track(buf, size)); +#endif +} +EXPORT_SYMBOL(spl_vmem_free); + +int +spl_vmem_init(void) +{ + return (0); +} + +void +spl_vmem_fini(void) +{ +} diff --git a/spl/module/spl/spl-vnode.c b/spl/module/spl/spl-vnode.c new file mode 100644 index 000000000000..f1ebcd2d63c7 --- /dev/null +++ b/spl/module/spl/spl-vnode.c @@ -0,0 +1,909 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) Vnode Implementation. +\*****************************************************************************/ + +#include +#include +#include +#include +#include + +vnode_t *rootdir = (vnode_t *)0xabcd1234; +EXPORT_SYMBOL(rootdir); + +static spl_kmem_cache_t *vn_cache; +static spl_kmem_cache_t *vn_file_cache; + +static DEFINE_SPINLOCK(vn_file_lock); +static LIST_HEAD(vn_file_list); + +vtype_t +vn_mode_to_vtype(mode_t mode) +{ + if (S_ISREG(mode)) + return VREG; + + if (S_ISDIR(mode)) + return VDIR; + + if (S_ISCHR(mode)) + return VCHR; + + if (S_ISBLK(mode)) + return VBLK; + + if (S_ISFIFO(mode)) + return VFIFO; + + if (S_ISLNK(mode)) + return VLNK; + + if (S_ISSOCK(mode)) + return VSOCK; + + if (S_ISCHR(mode)) + return VCHR; + + return VNON; +} /* vn_mode_to_vtype() */ +EXPORT_SYMBOL(vn_mode_to_vtype); + +mode_t +vn_vtype_to_mode(vtype_t vtype) +{ + if (vtype == VREG) + return S_IFREG; + + if (vtype == VDIR) + return S_IFDIR; + + if (vtype == VCHR) + return S_IFCHR; + + if (vtype == VBLK) + return S_IFBLK; + + if (vtype == VFIFO) + return S_IFIFO; + + if (vtype == VLNK) + return S_IFLNK; + + if (vtype == VSOCK) + return S_IFSOCK; + + return VNON; +} /* vn_vtype_to_mode() */ +EXPORT_SYMBOL(vn_vtype_to_mode); + +vnode_t * +vn_alloc(int flag) +{ + vnode_t *vp; + + vp = kmem_cache_alloc(vn_cache, flag); + if (vp != NULL) { + vp->v_file = NULL; + vp->v_type = 0; + } + + return (vp); +} /* vn_alloc() */ +EXPORT_SYMBOL(vn_alloc); + +void +vn_free(vnode_t *vp) +{ + kmem_cache_free(vn_cache, vp); +} /* vn_free() */ +EXPORT_SYMBOL(vn_free); + +int +vn_open(const char *path, uio_seg_t seg, int flags, int mode, + vnode_t **vpp, int x1, void *x2) +{ + struct file *fp; + struct kstat stat; + int rc, saved_umask = 0; + gfp_t saved_gfp; + vnode_t *vp; + + ASSERT(flags & (FWRITE | FREAD)); + ASSERT(seg == UIO_SYSSPACE); + ASSERT(vpp); + *vpp = NULL; + + if (!(flags & FCREAT) && (flags & FWRITE)) + flags |= FEXCL; + + /* Note for filp_open() the two low bits must be remapped to mean: + * 01 - read-only -> 00 read-only + * 10 - write-only -> 01 write-only + * 11 - read-write -> 10 read-write + */ + flags--; + + if (flags & FCREAT) + saved_umask = xchg(¤t->fs->umask, 0); + + fp = filp_open(path, flags, mode); + + if (flags & FCREAT) + (void)xchg(¤t->fs->umask, saved_umask); + + if (IS_ERR(fp)) + return (-PTR_ERR(fp)); + +#ifdef HAVE_2ARGS_VFS_GETATTR + rc = vfs_getattr(&fp->f_path, &stat); +#else + rc = vfs_getattr(fp->f_path.mnt, fp->f_dentry, &stat); +#endif + if (rc) { + filp_close(fp, 0); + return (-rc); + } + + vp = vn_alloc(KM_SLEEP); + if (!vp) { + filp_close(fp, 0); + return (ENOMEM); + } + + saved_gfp = mapping_gfp_mask(fp->f_mapping); + mapping_set_gfp_mask(fp->f_mapping, saved_gfp & ~(__GFP_IO|__GFP_FS)); + + mutex_enter(&vp->v_lock); + vp->v_type = vn_mode_to_vtype(stat.mode); + vp->v_file = fp; + vp->v_gfp_mask = saved_gfp; + *vpp = vp; + mutex_exit(&vp->v_lock); + + return (0); +} /* vn_open() */ +EXPORT_SYMBOL(vn_open); + +int +vn_openat(const char *path, uio_seg_t seg, int flags, int mode, + vnode_t **vpp, int x1, void *x2, vnode_t *vp, int fd) +{ + char *realpath; + int len, rc; + + ASSERT(vp == rootdir); + + len = strlen(path) + 2; + realpath = kmalloc(len, kmem_flags_convert(KM_SLEEP)); + if (!realpath) + return (ENOMEM); + + (void)snprintf(realpath, len, "/%s", path); + rc = vn_open(realpath, seg, flags, mode, vpp, x1, x2); + kfree(realpath); + + return (rc); +} /* vn_openat() */ +EXPORT_SYMBOL(vn_openat); + +int +vn_rdwr(uio_rw_t uio, vnode_t *vp, void *addr, ssize_t len, offset_t off, + uio_seg_t seg, int ioflag, rlim64_t x2, void *x3, ssize_t *residp) +{ + loff_t offset; + mm_segment_t saved_fs; + struct file *fp; + int rc; + + ASSERT(uio == UIO_WRITE || uio == UIO_READ); + ASSERT(vp); + ASSERT(vp->v_file); + ASSERT(seg == UIO_SYSSPACE); + ASSERT((ioflag & ~FAPPEND) == 0); + ASSERT(x2 == RLIM64_INFINITY); + + fp = vp->v_file; + + offset = off; + if (ioflag & FAPPEND) + offset = fp->f_pos; + + /* Writable user data segment must be briefly increased for this + * process so we can use the user space read call paths to write + * in to memory allocated by the kernel. */ + saved_fs = get_fs(); + set_fs(get_ds()); + + if (uio & UIO_WRITE) + rc = vfs_write(fp, addr, len, &offset); + else + rc = vfs_read(fp, addr, len, &offset); + + set_fs(saved_fs); + fp->f_pos = offset; + + if (rc < 0) + return (-rc); + + if (residp) { + *residp = len - rc; + } else { + if (rc != len) + return (EIO); + } + + return (0); +} /* vn_rdwr() */ +EXPORT_SYMBOL(vn_rdwr); + +int +vn_close(vnode_t *vp, int flags, int x1, int x2, void *x3, void *x4) +{ + int rc; + + ASSERT(vp); + ASSERT(vp->v_file); + + mapping_set_gfp_mask(vp->v_file->f_mapping, vp->v_gfp_mask); + rc = filp_close(vp->v_file, 0); + vn_free(vp); + + return (-rc); +} /* vn_close() */ +EXPORT_SYMBOL(vn_close); + +/* vn_seek() does not actually seek it only performs bounds checking on the + * proposed seek. We perform minimal checking and allow vn_rdwr() to catch + * anything more serious. */ +int +vn_seek(vnode_t *vp, offset_t ooff, offset_t *noffp, void *ct) +{ + return ((*noffp < 0 || *noffp > MAXOFFSET_T) ? EINVAL : 0); +} +EXPORT_SYMBOL(vn_seek); + +/* + * spl_basename() takes a NULL-terminated string s as input containing a path. + * It returns a char pointer to a string and a length that describe the + * basename of the path. If the basename is not "." or "/", it will be an index + * into the string. While the string should be NULL terminated, the section + * referring to the basename is not. spl_basename is dual-licensed GPLv2+ and + * CC0. Anyone wishing to reuse it in another codebase may pick either license. + */ +static void +spl_basename(const char *s, const char **str, int *len) +{ + size_t i, end; + + ASSERT(str); + ASSERT(len); + + if (!s || !*s) { + *str = "."; + *len = 1; + return; + } + + i = strlen(s) - 1; + + while (i && s[i--] == '/'); + + if (i == 0) { + *str = "/"; + *len = 1; + return; + } + + end = i; + + for (end = i; i; i--) { + if (s[i] == '/') { + *str = &s[i+1]; + *len = end - i + 1; + return; + } + } + + *str = s; + *len = end + 1; +} + +static struct dentry * +spl_kern_path_locked(const char *name, struct path *path) +{ + struct path parent; + struct dentry *dentry; + const char *basename; + int len; + int rc; + + ASSERT(name); + ASSERT(path); + + spl_basename(name, &basename, &len); + + /* We do not accept "." or ".." */ + if (len <= 2 && basename[0] == '.') + if (len == 1 || basename[1] == '.') + return (ERR_PTR(-EACCES)); + + rc = kern_path(name, LOOKUP_PARENT, &parent); + if (rc) + return (ERR_PTR(rc)); + + /* use I_MUTEX_PARENT because vfs_unlink needs it */ + spl_inode_lock_nested(parent.dentry->d_inode, I_MUTEX_PARENT); + + dentry = lookup_one_len(basename, parent.dentry, len); + if (IS_ERR(dentry)) { + spl_inode_unlock(parent.dentry->d_inode); + path_put(&parent); + } else { + *path = parent; + } + + return (dentry); +} + +/* Based on do_unlinkat() from linux/fs/namei.c */ +int +vn_remove(const char *path, uio_seg_t seg, int flags) +{ + struct dentry *dentry; + struct path parent; + struct inode *inode = NULL; + int rc = 0; + + ASSERT(seg == UIO_SYSSPACE); + ASSERT(flags == RMFILE); + + dentry = spl_kern_path_locked(path, &parent); + rc = PTR_ERR(dentry); + if (!IS_ERR(dentry)) { + if (parent.dentry->d_name.name[parent.dentry->d_name.len]) { + rc = 0; + goto slashes; + } + + inode = dentry->d_inode; + if (inode) { + atomic_inc(&inode->i_count); + } else { + rc = 0; + goto slashes; + } + +#ifdef HAVE_2ARGS_VFS_UNLINK + rc = vfs_unlink(parent.dentry->d_inode, dentry); +#else + rc = vfs_unlink(parent.dentry->d_inode, dentry, NULL); +#endif /* HAVE_2ARGS_VFS_UNLINK */ +exit1: + dput(dentry); + } else { + return (-rc); + } + + spl_inode_unlock(parent.dentry->d_inode); + if (inode) + iput(inode); /* truncate the inode here */ + + path_put(&parent); + return (-rc); + +slashes: + rc = !dentry->d_inode ? -ENOENT : + S_ISDIR(dentry->d_inode->i_mode) ? -EISDIR : -ENOTDIR; + goto exit1; +} /* vn_remove() */ +EXPORT_SYMBOL(vn_remove); + +/* Based on do_rename() from linux/fs/namei.c */ +int +vn_rename(const char *oldname, const char *newname, int x1) +{ + struct dentry *old_dir, *new_dir; + struct dentry *old_dentry, *new_dentry; + struct dentry *trap; + struct path old_parent, new_parent; + int rc = 0; + + old_dentry = spl_kern_path_locked(oldname, &old_parent); + if (IS_ERR(old_dentry)) { + rc = PTR_ERR(old_dentry); + goto exit; + } + + spl_inode_unlock(old_parent.dentry->d_inode); + + new_dentry = spl_kern_path_locked(newname, &new_parent); + if (IS_ERR(new_dentry)) { + rc = PTR_ERR(new_dentry); + goto exit2; + } + + spl_inode_unlock(new_parent.dentry->d_inode); + + rc = -EXDEV; + if (old_parent.mnt != new_parent.mnt) + goto exit3; + + old_dir = old_parent.dentry; + new_dir = new_parent.dentry; + trap = lock_rename(new_dir, old_dir); + + /* source should not be ancestor of target */ + rc = -EINVAL; + if (old_dentry == trap) + goto exit4; + + /* target should not be an ancestor of source */ + rc = -ENOTEMPTY; + if (new_dentry == trap) + goto exit4; + + /* source must exist */ + rc = -ENOENT; + if (!old_dentry->d_inode) + goto exit4; + + /* unless the source is a directory trailing slashes give -ENOTDIR */ + if (!S_ISDIR(old_dentry->d_inode->i_mode)) { + rc = -ENOTDIR; + if (old_dentry->d_name.name[old_dentry->d_name.len]) + goto exit4; + if (new_dentry->d_name.name[new_dentry->d_name.len]) + goto exit4; + } + +#if defined(HAVE_4ARGS_VFS_RENAME) + rc = vfs_rename(old_dir->d_inode, old_dentry, + new_dir->d_inode, new_dentry); +#elif defined(HAVE_5ARGS_VFS_RENAME) + rc = vfs_rename(old_dir->d_inode, old_dentry, + new_dir->d_inode, new_dentry, NULL); +#else + rc = vfs_rename(old_dir->d_inode, old_dentry, + new_dir->d_inode, new_dentry, NULL, 0); +#endif +exit4: + unlock_rename(new_dir, old_dir); +exit3: + dput(new_dentry); + path_put(&new_parent); +exit2: + dput(old_dentry); + path_put(&old_parent); +exit: + return (-rc); +} +EXPORT_SYMBOL(vn_rename); + +int +vn_getattr(vnode_t *vp, vattr_t *vap, int flags, void *x3, void *x4) +{ + struct file *fp; + struct kstat stat; + int rc; + + ASSERT(vp); + ASSERT(vp->v_file); + ASSERT(vap); + + fp = vp->v_file; + +#ifdef HAVE_2ARGS_VFS_GETATTR + rc = vfs_getattr(&fp->f_path, &stat); +#else + rc = vfs_getattr(fp->f_path.mnt, fp->f_dentry, &stat); +#endif + if (rc) + return (-rc); + + vap->va_type = vn_mode_to_vtype(stat.mode); + vap->va_mode = stat.mode; + vap->va_uid = KUID_TO_SUID(stat.uid); + vap->va_gid = KGID_TO_SGID(stat.gid); + vap->va_fsid = 0; + vap->va_nodeid = stat.ino; + vap->va_nlink = stat.nlink; + vap->va_size = stat.size; + vap->va_blksize = stat.blksize; + vap->va_atime = stat.atime; + vap->va_mtime = stat.mtime; + vap->va_ctime = stat.ctime; + vap->va_rdev = stat.rdev; + vap->va_nblocks = stat.blocks; + + return (0); +} +EXPORT_SYMBOL(vn_getattr); + +int vn_fsync(vnode_t *vp, int flags, void *x3, void *x4) +{ + int datasync = 0; + int error; + int fstrans; + + ASSERT(vp); + ASSERT(vp->v_file); + + if (flags & FDSYNC) + datasync = 1; + + /* + * May enter XFS which generates a warning when PF_FSTRANS is set. + * To avoid this the flag is cleared over vfs_sync() and then reset. + */ + fstrans = spl_fstrans_check(); + if (fstrans) + current->flags &= ~(PF_FSTRANS); + + error = -spl_filp_fsync(vp->v_file, datasync); + if (fstrans) + current->flags |= PF_FSTRANS; + + return (error); +} /* vn_fsync() */ +EXPORT_SYMBOL(vn_fsync); + +int vn_space(vnode_t *vp, int cmd, struct flock *bfp, int flag, + offset_t offset, void *x6, void *x7) +{ + int error = EOPNOTSUPP; + + if (cmd != F_FREESP || bfp->l_whence != 0) + return (EOPNOTSUPP); + + ASSERT(vp); + ASSERT(vp->v_file); + ASSERT(bfp->l_start >= 0 && bfp->l_len > 0); + +#ifdef FALLOC_FL_PUNCH_HOLE + /* + * When supported by the underlying file system preferentially + * use the fallocate() callback to preallocate the space. + */ + error = -spl_filp_fallocate(vp->v_file, + FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE, + bfp->l_start, bfp->l_len); + if (error == 0) + return (0); +#endif + +#ifdef HAVE_INODE_TRUNCATE_RANGE + if (vp->v_file->f_dentry && vp->v_file->f_dentry->d_inode && + vp->v_file->f_dentry->d_inode->i_op && + vp->v_file->f_dentry->d_inode->i_op->truncate_range) { + off_t end = bfp->l_start + bfp->l_len; + /* + * Judging from the code in shmem_truncate_range(), + * it seems the kernel expects the end offset to be + * inclusive and aligned to the end of a page. + */ + if (end % PAGE_SIZE != 0) { + end &= ~(off_t)(PAGE_SIZE - 1); + if (end <= bfp->l_start) + return (0); + } + --end; + + vp->v_file->f_dentry->d_inode->i_op->truncate_range( + vp->v_file->f_dentry->d_inode, + bfp->l_start, end + ); + return (0); + } +#endif + + return (error); +} +EXPORT_SYMBOL(vn_space); + +/* Function must be called while holding the vn_file_lock */ +static file_t * +file_find(int fd, struct task_struct *task) +{ + file_t *fp; + + ASSERT(spin_is_locked(&vn_file_lock)); + + list_for_each_entry(fp, &vn_file_list, f_list) { + if (fd == fp->f_fd && fp->f_task == task) { + ASSERT(atomic_read(&fp->f_ref) != 0); + return fp; + } + } + + return NULL; +} /* file_find() */ + +file_t * +vn_getf(int fd) +{ + struct kstat stat; + struct file *lfp; + file_t *fp; + vnode_t *vp; + int rc = 0; + + if (fd < 0) + return (NULL); + + /* Already open just take an extra reference */ + spin_lock(&vn_file_lock); + + fp = file_find(fd, current); + if (fp) { + atomic_inc(&fp->f_ref); + spin_unlock(&vn_file_lock); + return (fp); + } + + spin_unlock(&vn_file_lock); + + /* File was not yet opened create the object and setup */ + fp = kmem_cache_alloc(vn_file_cache, KM_SLEEP); + if (fp == NULL) + goto out; + + mutex_enter(&fp->f_lock); + + fp->f_fd = fd; + fp->f_task = current; + fp->f_offset = 0; + atomic_inc(&fp->f_ref); + + lfp = fget(fd); + if (lfp == NULL) + goto out_mutex; + + vp = vn_alloc(KM_SLEEP); + if (vp == NULL) + goto out_fget; + +#ifdef HAVE_2ARGS_VFS_GETATTR + rc = vfs_getattr(&lfp->f_path, &stat); +#else + rc = vfs_getattr(lfp->f_path.mnt, lfp->f_dentry, &stat); +#endif + if (rc) + goto out_vnode; + + mutex_enter(&vp->v_lock); + vp->v_type = vn_mode_to_vtype(stat.mode); + vp->v_file = lfp; + mutex_exit(&vp->v_lock); + + fp->f_vnode = vp; + fp->f_file = lfp; + + /* Put it on the tracking list */ + spin_lock(&vn_file_lock); + list_add(&fp->f_list, &vn_file_list); + spin_unlock(&vn_file_lock); + + mutex_exit(&fp->f_lock); + return (fp); + +out_vnode: + vn_free(vp); +out_fget: + fput(lfp); +out_mutex: + mutex_exit(&fp->f_lock); + kmem_cache_free(vn_file_cache, fp); +out: + return (NULL); +} /* getf() */ +EXPORT_SYMBOL(getf); + +static void releasef_locked(file_t *fp) +{ + ASSERT(fp->f_file); + ASSERT(fp->f_vnode); + + /* Unlinked from list, no refs, safe to free outside mutex */ + fput(fp->f_file); + vn_free(fp->f_vnode); + + kmem_cache_free(vn_file_cache, fp); +} + +void +vn_releasef(int fd) +{ + areleasef(fd, P_FINFO(current)); +} +EXPORT_SYMBOL(releasef); + +void +vn_areleasef(int fd, uf_info_t *fip) +{ + file_t *fp; + struct task_struct *task = (struct task_struct *)fip; + + if (fd < 0) + return; + + spin_lock(&vn_file_lock); + fp = file_find(fd, task); + if (fp) { + atomic_dec(&fp->f_ref); + if (atomic_read(&fp->f_ref) > 0) { + spin_unlock(&vn_file_lock); + return; + } + + list_del(&fp->f_list); + releasef_locked(fp); + } + spin_unlock(&vn_file_lock); + + return; +} /* releasef() */ +EXPORT_SYMBOL(areleasef); + + +static void +#ifdef HAVE_SET_FS_PWD_WITH_CONST +vn_set_fs_pwd(struct fs_struct *fs, const struct path *path) +#else +vn_set_fs_pwd(struct fs_struct *fs, struct path *path) +#endif /* HAVE_SET_FS_PWD_WITH_CONST */ +{ + struct path old_pwd; + +#ifdef HAVE_FS_STRUCT_SPINLOCK + spin_lock(&fs->lock); + old_pwd = fs->pwd; + fs->pwd = *path; + path_get(path); + spin_unlock(&fs->lock); +#else + write_lock(&fs->lock); + old_pwd = fs->pwd; + fs->pwd = *path; + path_get(path); + write_unlock(&fs->lock); +#endif /* HAVE_FS_STRUCT_SPINLOCK */ + + if (old_pwd.dentry) + path_put(&old_pwd); +} + +int +vn_set_pwd(const char *filename) +{ + struct path path; + mm_segment_t saved_fs; + int rc; + + /* + * user_path_dir() and __user_walk() both expect 'filename' to be + * a user space address so we must briefly increase the data segment + * size to ensure strncpy_from_user() does not fail with -EFAULT. + */ + saved_fs = get_fs(); + set_fs(get_ds()); + + rc = user_path_dir(filename, &path); + if (rc) + goto out; + + rc = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_ACCESS); + if (rc) + goto dput_and_out; + + vn_set_fs_pwd(current->fs, &path); + +dput_and_out: + path_put(&path); +out: + set_fs(saved_fs); + + return (-rc); +} /* vn_set_pwd() */ +EXPORT_SYMBOL(vn_set_pwd); + +static int +vn_cache_constructor(void *buf, void *cdrarg, int kmflags) +{ + struct vnode *vp = buf; + + mutex_init(&vp->v_lock, NULL, MUTEX_DEFAULT, NULL); + + return (0); +} /* vn_cache_constructor() */ + +static void +vn_cache_destructor(void *buf, void *cdrarg) +{ + struct vnode *vp = buf; + + mutex_destroy(&vp->v_lock); +} /* vn_cache_destructor() */ + +static int +vn_file_cache_constructor(void *buf, void *cdrarg, int kmflags) +{ + file_t *fp = buf; + + atomic_set(&fp->f_ref, 0); + mutex_init(&fp->f_lock, NULL, MUTEX_DEFAULT, NULL); + INIT_LIST_HEAD(&fp->f_list); + + return (0); +} /* file_cache_constructor() */ + +static void +vn_file_cache_destructor(void *buf, void *cdrarg) +{ + file_t *fp = buf; + + mutex_destroy(&fp->f_lock); +} /* vn_file_cache_destructor() */ + +int +spl_vn_init(void) +{ + vn_cache = kmem_cache_create("spl_vn_cache", + sizeof(struct vnode), 64, + vn_cache_constructor, + vn_cache_destructor, + NULL, NULL, NULL, 0); + + vn_file_cache = kmem_cache_create("spl_vn_file_cache", + sizeof(file_t), 64, + vn_file_cache_constructor, + vn_file_cache_destructor, + NULL, NULL, NULL, 0); + return (0); +} /* vn_init() */ + +void +spl_vn_fini(void) +{ + file_t *fp, *next_fp; + int leaked = 0; + + spin_lock(&vn_file_lock); + + list_for_each_entry_safe(fp, next_fp, &vn_file_list, f_list) { + list_del(&fp->f_list); + releasef_locked(fp); + leaked++; + } + + spin_unlock(&vn_file_lock); + + if (leaked > 0) + printk(KERN_WARNING "WARNING: %d vnode files leaked\n", leaked); + + kmem_cache_destroy(vn_file_cache); + kmem_cache_destroy(vn_cache); + + return; +} /* vn_fini() */ diff --git a/spl/module/spl/spl-xdr.c b/spl/module/spl/spl-xdr.c new file mode 100644 index 000000000000..9405dc88d58e --- /dev/null +++ b/spl/module/spl/spl-xdr.c @@ -0,0 +1,514 @@ +/*****************************************************************************\ + * Copyright (c) 2008-2010 Sun Microsystems, Inc. + * Written by Ricardo Correia + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting Layer (SPL) XDR Implementation. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include + +/* + * SPL's XDR mem implementation. + * + * This is used by libnvpair to serialize/deserialize the name-value pair data + * structures into byte arrays in a well-defined and portable manner. + * + * These data structures are used by the DMU/ZFS to flexibly manipulate various + * information in memory and later serialize it/deserialize it to disk. + * Examples of usages include the pool configuration, lists of pool and dataset + * properties, etc. + * + * Reference documentation for the XDR representation and XDR operations can be + * found in RFC 1832 and xdr(3), respectively. + * + * === Implementation shortcomings === + * + * It is assumed that the following C types have the following sizes: + * + * char/unsigned char: 1 byte + * short/unsigned short: 2 bytes + * int/unsigned int: 4 bytes + * longlong_t/u_longlong_t: 8 bytes + * + * The C standard allows these types to be larger (and in the case of ints, + * shorter), so if that is the case on some compiler/architecture, the build + * will fail (on purpose). + * + * If someone wants to fix the code to work properly on such environments, then: + * + * 1) Preconditions should be added to xdrmem_enc functions to make sure the + * caller doesn't pass arguments which exceed the expected range. + * 2) Functions which take signed integers should be changed to properly do + * sign extension. + * 3) For ints with less than 32 bits, well.. I suspect you'll have bigger + * problems than this implementation. + * + * It is also assumed that: + * + * 1) Chars have 8 bits. + * 2) We can always do 32-bit-aligned int memory accesses and byte-aligned + * memcpy, memset and memcmp. + * 3) Arrays passed to xdr_array() are packed and the compiler/architecture + * supports element-sized-aligned memory accesses. + * 4) Negative integers are natively stored in two's complement binary + * representation. + * + * No checks are done for the 4 assumptions above, though. + * + * === Caller expectations === + * + * Existing documentation does not describe the semantics of XDR operations very + * well. Therefore, some assumptions about failure semantics will be made and + * will be described below: + * + * 1) If any encoding operation fails (e.g., due to lack of buffer space), the + * the stream should be considered valid only up to the encoding operation + * previous to the one that first failed. However, the stream size as returned + * by xdr_control() cannot be considered to be strictly correct (it may be + * bigger). + * + * Putting it another way, if there is an encoding failure it's undefined + * whether anything is added to the stream in that operation and therefore + * neither xdr_control() nor future encoding operations on the same stream can + * be relied upon to produce correct results. + * + * 2) If a decoding operation fails, it's undefined whether anything will be + * decoded into passed buffers/pointers during that operation, or what the + * values on those buffers will look like. + * + * Future decoding operations on the same stream will also have similar + * undefined behavior. + * + * 3) When the first decoding operation fails it is OK to trust the results of + * previous decoding operations on the same stream, as long as the caller + * expects a failure to be possible (e.g. due to end-of-stream). + * + * However, this is highly discouraged because the caller should know the + * stream size and should be coded to expect any decoding failure to be data + * corruption due to hardware, accidental or even malicious causes, which should + * be handled gracefully in all cases. + * + * In very rare situations where there are strong reasons to believe the data + * can be trusted to be valid and non-tampered with, then the caller may assume + * a decoding failure to be a bug (e.g. due to mismatched data types) and may + * fail non-gracefully. + * + * 4) Non-zero padding bytes will cause the decoding operation to fail. + * + * 5) Zero bytes on string types will also cause the decoding operation to fail. + * + * 6) It is assumed that either the pointer to the stream buffer given by the + * caller is 32-bit aligned or the architecture supports non-32-bit-aligned int + * memory accesses. + * + * 7) The stream buffer and encoding/decoding buffers/ptrs should not overlap. + * + * 8) If a caller passes pointers to non-kernel memory (e.g., pointers to user + * space or MMIO space), the computer may explode. + */ + +static struct xdr_ops xdrmem_encode_ops; +static struct xdr_ops xdrmem_decode_ops; + +void +xdrmem_create(XDR *xdrs, const caddr_t addr, const uint_t size, + const enum xdr_op op) +{ + switch (op) { + case XDR_ENCODE: + xdrs->x_ops = &xdrmem_encode_ops; + break; + case XDR_DECODE: + xdrs->x_ops = &xdrmem_decode_ops; + break; + default: + xdrs->x_ops = NULL; /* Let the caller know we failed */ + return; + } + + xdrs->x_op = op; + xdrs->x_addr = addr; + xdrs->x_addr_end = addr + size; + + if (xdrs->x_addr_end < xdrs->x_addr) { + xdrs->x_ops = NULL; + } +} +EXPORT_SYMBOL(xdrmem_create); + +static bool_t +xdrmem_control(XDR *xdrs, int req, void *info) +{ + struct xdr_bytesrec *rec = (struct xdr_bytesrec *) info; + + if (req != XDR_GET_BYTES_AVAIL) + return FALSE; + + rec->xc_is_last_record = TRUE; /* always TRUE in xdrmem streams */ + rec->xc_num_avail = xdrs->x_addr_end - xdrs->x_addr; + + return TRUE; +} + +static bool_t +xdrmem_enc_bytes(XDR *xdrs, caddr_t cp, const uint_t cnt) +{ + uint_t size = roundup(cnt, 4); + uint_t pad; + + if (size < cnt) + return FALSE; /* Integer overflow */ + + if (xdrs->x_addr > xdrs->x_addr_end) + return FALSE; + + if (xdrs->x_addr_end - xdrs->x_addr < size) + return FALSE; + + memcpy(xdrs->x_addr, cp, cnt); + + xdrs->x_addr += cnt; + + pad = size - cnt; + if (pad > 0) { + memset(xdrs->x_addr, 0, pad); + xdrs->x_addr += pad; + } + + return TRUE; +} + +static bool_t +xdrmem_dec_bytes(XDR *xdrs, caddr_t cp, const uint_t cnt) +{ + static uint32_t zero = 0; + uint_t size = roundup(cnt, 4); + uint_t pad; + + if (size < cnt) + return FALSE; /* Integer overflow */ + + if (xdrs->x_addr > xdrs->x_addr_end) + return FALSE; + + if (xdrs->x_addr_end - xdrs->x_addr < size) + return FALSE; + + memcpy(cp, xdrs->x_addr, cnt); + xdrs->x_addr += cnt; + + pad = size - cnt; + if (pad > 0) { + /* An inverted memchr() would be useful here... */ + if (memcmp(&zero, xdrs->x_addr, pad) != 0) + return FALSE; + + xdrs->x_addr += pad; + } + + return TRUE; +} + +static bool_t +xdrmem_enc_uint32(XDR *xdrs, uint32_t val) +{ + if (xdrs->x_addr + sizeof(uint32_t) > xdrs->x_addr_end) + return FALSE; + + *((uint32_t *) xdrs->x_addr) = cpu_to_be32(val); + + xdrs->x_addr += sizeof(uint32_t); + + return TRUE; +} + +static bool_t +xdrmem_dec_uint32(XDR *xdrs, uint32_t *val) +{ + if (xdrs->x_addr + sizeof(uint32_t) > xdrs->x_addr_end) + return FALSE; + + *val = be32_to_cpu(*((uint32_t *) xdrs->x_addr)); + + xdrs->x_addr += sizeof(uint32_t); + + return TRUE; +} + +static bool_t +xdrmem_enc_char(XDR *xdrs, char *cp) +{ + uint32_t val; + + BUILD_BUG_ON(sizeof(char) != 1); + val = *((unsigned char *) cp); + + return xdrmem_enc_uint32(xdrs, val); +} + +static bool_t +xdrmem_dec_char(XDR *xdrs, char *cp) +{ + uint32_t val; + + BUILD_BUG_ON(sizeof(char) != 1); + + if (!xdrmem_dec_uint32(xdrs, &val)) + return FALSE; + + /* + * If any of the 3 other bytes are non-zero then val will be greater + * than 0xff and we fail because according to the RFC, this block does + * not have a char encoded in it. + */ + if (val > 0xff) + return FALSE; + + *((unsigned char *) cp) = val; + + return TRUE; +} + +static bool_t +xdrmem_enc_ushort(XDR *xdrs, unsigned short *usp) +{ + BUILD_BUG_ON(sizeof(unsigned short) != 2); + + return xdrmem_enc_uint32(xdrs, *usp); +} + +static bool_t +xdrmem_dec_ushort(XDR *xdrs, unsigned short *usp) +{ + uint32_t val; + + BUILD_BUG_ON(sizeof(unsigned short) != 2); + + if (!xdrmem_dec_uint32(xdrs, &val)) + return FALSE; + + /* + * Short ints are not in the RFC, but we assume similar logic as in + * xdrmem_dec_char(). + */ + if (val > 0xffff) + return FALSE; + + *usp = val; + + return TRUE; +} + +static bool_t +xdrmem_enc_uint(XDR *xdrs, unsigned *up) +{ + BUILD_BUG_ON(sizeof(unsigned) != 4); + + return xdrmem_enc_uint32(xdrs, *up); +} + +static bool_t +xdrmem_dec_uint(XDR *xdrs, unsigned *up) +{ + BUILD_BUG_ON(sizeof(unsigned) != 4); + + return xdrmem_dec_uint32(xdrs, (uint32_t *) up); +} + +static bool_t +xdrmem_enc_ulonglong(XDR *xdrs, u_longlong_t *ullp) +{ + BUILD_BUG_ON(sizeof(u_longlong_t) != 8); + + if (!xdrmem_enc_uint32(xdrs, *ullp >> 32)) + return FALSE; + + return xdrmem_enc_uint32(xdrs, *ullp & 0xffffffff); +} + +static bool_t +xdrmem_dec_ulonglong(XDR *xdrs, u_longlong_t *ullp) +{ + uint32_t low, high; + + BUILD_BUG_ON(sizeof(u_longlong_t) != 8); + + if (!xdrmem_dec_uint32(xdrs, &high)) + return FALSE; + if (!xdrmem_dec_uint32(xdrs, &low)) + return FALSE; + + *ullp = ((u_longlong_t) high << 32) | low; + + return TRUE; +} + +static bool_t +xdr_enc_array(XDR *xdrs, caddr_t *arrp, uint_t *sizep, const uint_t maxsize, + const uint_t elsize, const xdrproc_t elproc) +{ + uint_t i; + caddr_t addr = *arrp; + + if (*sizep > maxsize || *sizep > UINT_MAX / elsize) + return FALSE; + + if (!xdrmem_enc_uint(xdrs, sizep)) + return FALSE; + + for (i = 0; i < *sizep; i++) { + if (!elproc(xdrs, addr)) + return FALSE; + addr += elsize; + } + + return TRUE; +} + +static bool_t +xdr_dec_array(XDR *xdrs, caddr_t *arrp, uint_t *sizep, const uint_t maxsize, + const uint_t elsize, const xdrproc_t elproc) +{ + uint_t i, size; + bool_t alloc = FALSE; + caddr_t addr; + + if (!xdrmem_dec_uint(xdrs, sizep)) + return FALSE; + + size = *sizep; + + if (size > maxsize || size > UINT_MAX / elsize) + return FALSE; + + /* + * The Solaris man page says: "If *arrp is NULL when decoding, + * xdr_array() allocates memory and *arrp points to it". + */ + if (*arrp == NULL) { + BUILD_BUG_ON(sizeof(uint_t) > sizeof(size_t)); + + *arrp = kmem_alloc(size * elsize, KM_NOSLEEP); + if (*arrp == NULL) + return FALSE; + + alloc = TRUE; + } + + addr = *arrp; + + for (i = 0; i < size; i++) { + if (!elproc(xdrs, addr)) { + if (alloc) + kmem_free(*arrp, size * elsize); + return FALSE; + } + addr += elsize; + } + + return TRUE; +} + +static bool_t +xdr_enc_string(XDR *xdrs, char **sp, const uint_t maxsize) +{ + size_t slen = strlen(*sp); + uint_t len; + + if (slen > maxsize) + return FALSE; + + len = slen; + + if (!xdrmem_enc_uint(xdrs, &len)) + return FALSE; + + return xdrmem_enc_bytes(xdrs, *sp, len); +} + +static bool_t +xdr_dec_string(XDR *xdrs, char **sp, const uint_t maxsize) +{ + uint_t size; + bool_t alloc = FALSE; + + if (!xdrmem_dec_uint(xdrs, &size)) + return FALSE; + + if (size > maxsize || size > UINT_MAX - 1) + return FALSE; + + /* + * Solaris man page: "If *sp is NULL when decoding, xdr_string() + * allocates memory and *sp points to it". + */ + if (*sp == NULL) { + BUILD_BUG_ON(sizeof(uint_t) > sizeof(size_t)); + + *sp = kmem_alloc(size + 1, KM_NOSLEEP); + if (*sp == NULL) + return FALSE; + + alloc = TRUE; + } + + if (!xdrmem_dec_bytes(xdrs, *sp, size)) + goto fail; + + if (memchr(*sp, 0, size) != NULL) + goto fail; + + (*sp)[size] = '\0'; + + return TRUE; + +fail: + if (alloc) + kmem_free(*sp, size + 1); + + return FALSE; +} + +static struct xdr_ops xdrmem_encode_ops = { + .xdr_control = xdrmem_control, + .xdr_char = xdrmem_enc_char, + .xdr_u_short = xdrmem_enc_ushort, + .xdr_u_int = xdrmem_enc_uint, + .xdr_u_longlong_t = xdrmem_enc_ulonglong, + .xdr_opaque = xdrmem_enc_bytes, + .xdr_string = xdr_enc_string, + .xdr_array = xdr_enc_array +}; + +static struct xdr_ops xdrmem_decode_ops = { + .xdr_control = xdrmem_control, + .xdr_char = xdrmem_dec_char, + .xdr_u_short = xdrmem_dec_ushort, + .xdr_u_int = xdrmem_dec_uint, + .xdr_u_longlong_t = xdrmem_dec_ulonglong, + .xdr_opaque = xdrmem_dec_bytes, + .xdr_string = xdr_dec_string, + .xdr_array = xdr_dec_array +}; + diff --git a/spl/module/spl/spl-zlib.c b/spl/module/spl/spl-zlib.c new file mode 100644 index 000000000000..77c2a1ddef3b --- /dev/null +++ b/spl/module/spl/spl-zlib.c @@ -0,0 +1,217 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * z_compress_level/z_uncompress are nearly identical copies of the + * compress2/uncompress functions provided by the official zlib package + * available at http://zlib.net/. The only changes made we to slightly + * adapt the functions called to match the linux kernel implementation + * of zlib. The full zlib license follows: + * + * zlib.h -- interface of the 'zlib' general purpose compression library + * version 1.2.5, April 19th, 2010 + * + * Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + * + * Jean-loup Gailly + * Mark Adler +\*****************************************************************************/ + + +#include +#include +#include +#include + +static spl_kmem_cache_t *zlib_workspace_cache; + +/* + * A kmem_cache is used for the zlib workspaces to avoid having to vmalloc + * and vfree for every call. Using a kmem_cache also has the advantage + * that improves the odds that the memory used will be local to this cpu. + * To further improve things it might be wise to create a dedicated per-cpu + * workspace for use. This would take some additional care because we then + * must disable preemption around the critical section, and verify that + * zlib_deflate* and zlib_inflate* never internally call schedule(). + */ +static void * +zlib_workspace_alloc(int flags) +{ + return kmem_cache_alloc(zlib_workspace_cache, flags & ~(__GFP_FS)); +} + +static void +zlib_workspace_free(void *workspace) +{ + kmem_cache_free(zlib_workspace_cache, workspace); +} + +/* + * Compresses the source buffer into the destination buffer. The level + * parameter has the same meaning as in deflateInit. sourceLen is the byte + * length of the source buffer. Upon entry, destLen is the total size of the + * destination buffer, which must be at least 0.1% larger than sourceLen plus + * 12 bytes. Upon exit, destLen is the actual size of the compressed buffer. + * + * compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + * memory, Z_BUF_ERROR if there was not enough room in the output buffer, + * Z_STREAM_ERROR if the level parameter is invalid. + */ +int +z_compress_level(void *dest, size_t *destLen, const void *source, + size_t sourceLen, int level) +{ + z_stream stream; + int err; + + stream.next_in = (Byte *)source; + stream.avail_in = (uInt)sourceLen; + stream.next_out = dest; + stream.avail_out = (uInt)*destLen; + + if ((size_t)stream.avail_out != *destLen) + return Z_BUF_ERROR; + + stream.workspace = zlib_workspace_alloc(KM_SLEEP); + if (!stream.workspace) + return Z_MEM_ERROR; + + err = zlib_deflateInit(&stream, level); + if (err != Z_OK) { + zlib_workspace_free(stream.workspace); + return err; + } + + err = zlib_deflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) { + zlib_deflateEnd(&stream); + zlib_workspace_free(stream.workspace); + return err == Z_OK ? Z_BUF_ERROR : err; + } + *destLen = stream.total_out; + + err = zlib_deflateEnd(&stream); + zlib_workspace_free(stream.workspace); + + return err; +} +EXPORT_SYMBOL(z_compress_level); + +/* + * Decompresses the source buffer into the destination buffer. sourceLen is + * the byte length of the source buffer. Upon entry, destLen is the total + * size of the destination buffer, which must be large enough to hold the + * entire uncompressed data. (The size of the uncompressed data must have + * been saved previously by the compressor and transmitted to the decompressor + * by some mechanism outside the scope of this compression library.) + * Upon exit, destLen is the actual size of the compressed buffer. + * This function can be used to decompress a whole file at once if the + * input file is mmap'ed. + * + * uncompress returns Z_OK if success, Z_MEM_ERROR if there was not + * enough memory, Z_BUF_ERROR if there was not enough room in the output + * buffer, or Z_DATA_ERROR if the input data was corrupted. + */ +int +z_uncompress(void *dest, size_t *destLen, const void *source, size_t sourceLen) +{ + z_stream stream; + int err; + + stream.next_in = (Byte *)source; + stream.avail_in = (uInt)sourceLen; + stream.next_out = dest; + stream.avail_out = (uInt)*destLen; + + if ((size_t)stream.avail_out != *destLen) + return Z_BUF_ERROR; + + stream.workspace = zlib_workspace_alloc(KM_SLEEP); + if (!stream.workspace) + return Z_MEM_ERROR; + + err = zlib_inflateInit(&stream); + if (err != Z_OK) { + zlib_workspace_free(stream.workspace); + return err; + } + + err = zlib_inflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) { + zlib_inflateEnd(&stream); + zlib_workspace_free(stream.workspace); + + if (err == Z_NEED_DICT || + (err == Z_BUF_ERROR && stream.avail_in == 0)) + return Z_DATA_ERROR; + + return err; + } + *destLen = stream.total_out; + + err = zlib_inflateEnd(&stream); + zlib_workspace_free(stream.workspace); + + return err; +} +EXPORT_SYMBOL(z_uncompress); + +int +spl_zlib_init(void) +{ + int size; + + size = MAX(spl_zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL), + zlib_inflate_workspacesize()); + + zlib_workspace_cache = kmem_cache_create( + "spl_zlib_workspace_cache", + size, 0, NULL, NULL, NULL, NULL, NULL, + KMC_VMEM | KMC_NOEMERGENCY); + if (!zlib_workspace_cache) + return (1); + + return (0); +} + +void +spl_zlib_fini(void) +{ + kmem_cache_destroy(zlib_workspace_cache); + zlib_workspace_cache = NULL; +} diff --git a/spl/module/splat/Makefile.in b/spl/module/splat/Makefile.in new file mode 100644 index 000000000000..680f28492b46 --- /dev/null +++ b/spl/module/splat/Makefile.in @@ -0,0 +1,28 @@ +# Makefile.in for splat kernel module + +src = @abs_top_srcdir@/module/splat +obj = @abs_builddir@ + +MODULE := splat +EXTRA_CFLAGS = $(SPL_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +# Solaris Porting LAyer Tests +obj-$(CONFIG_SPL) := $(MODULE).o + +$(MODULE)-objs += splat-ctl.o +$(MODULE)-objs += splat-kmem.o +$(MODULE)-objs += splat-taskq.o +$(MODULE)-objs += splat-random.o +$(MODULE)-objs += splat-mutex.o +$(MODULE)-objs += splat-condvar.o +$(MODULE)-objs += splat-thread.o +$(MODULE)-objs += splat-rwlock.o +$(MODULE)-objs += splat-time.o +$(MODULE)-objs += splat-vnode.o +$(MODULE)-objs += splat-kobj.o +$(MODULE)-objs += splat-atomic.o +$(MODULE)-objs += splat-list.o +$(MODULE)-objs += splat-generic.o +$(MODULE)-objs += splat-cred.o +$(MODULE)-objs += splat-zlib.o +$(MODULE)-objs += splat-linux.o diff --git a/spl/module/splat/splat-atomic.c b/spl/module/splat/splat-atomic.c new file mode 100644 index 000000000000..999f4f058767 --- /dev/null +++ b/spl/module/splat/splat-atomic.c @@ -0,0 +1,232 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Atomic Tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_ATOMIC_NAME "atomic" +#define SPLAT_ATOMIC_DESC "Kernel Atomic Tests" + +#define SPLAT_ATOMIC_TEST1_ID 0x0b01 +#define SPLAT_ATOMIC_TEST1_NAME "64-bit" +#define SPLAT_ATOMIC_TEST1_DESC "Validate 64-bit atomic ops" + +#define SPLAT_ATOMIC_TEST_MAGIC 0x43435454UL +#define SPLAT_ATOMIC_INIT_VALUE 10000000UL + +typedef enum { + SPLAT_ATOMIC_INC_64 = 0, + SPLAT_ATOMIC_DEC_64 = 1, + SPLAT_ATOMIC_ADD_64 = 2, + SPLAT_ATOMIC_SUB_64 = 3, + SPLAT_ATOMIC_ADD_64_NV = 4, + SPLAT_ATOMIC_SUB_64_NV = 5, + SPLAT_ATOMIC_COUNT_64 = 6 +} atomic_op_t; + +typedef struct atomic_priv { + unsigned long ap_magic; + struct file *ap_file; + kmutex_t ap_lock; + wait_queue_head_t ap_waitq; + volatile uint64_t ap_atomic; + volatile uint64_t ap_atomic_exited; + atomic_op_t ap_op; + +} atomic_priv_t; + +static void +splat_atomic_work(void *priv) +{ + atomic_priv_t *ap; + atomic_op_t op; + int i; + + ap = (atomic_priv_t *)priv; + ASSERT(ap->ap_magic == SPLAT_ATOMIC_TEST_MAGIC); + + mutex_enter(&ap->ap_lock); + op = ap->ap_op; + wake_up(&ap->ap_waitq); + mutex_exit(&ap->ap_lock); + + splat_vprint(ap->ap_file, SPLAT_ATOMIC_TEST1_NAME, + "Thread %d successfully started: %lu/%lu\n", op, + (long unsigned)ap->ap_atomic, + (long unsigned)ap->ap_atomic_exited); + + for (i = 0; i < SPLAT_ATOMIC_INIT_VALUE / 10; i++) { + + /* Periodically sleep to mix up the ordering */ + if ((i % (SPLAT_ATOMIC_INIT_VALUE / 100)) == 0) { + splat_vprint(ap->ap_file, SPLAT_ATOMIC_TEST1_NAME, + "Thread %d sleeping: %lu/%lu\n", op, + (long unsigned)ap->ap_atomic, + (long unsigned)ap->ap_atomic_exited); + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ / 100); + } + + switch (op) { + case SPLAT_ATOMIC_INC_64: + atomic_inc_64(&ap->ap_atomic); + break; + case SPLAT_ATOMIC_DEC_64: + atomic_dec_64(&ap->ap_atomic); + break; + case SPLAT_ATOMIC_ADD_64: + atomic_add_64(&ap->ap_atomic, 3); + break; + case SPLAT_ATOMIC_SUB_64: + atomic_sub_64(&ap->ap_atomic, 3); + break; + case SPLAT_ATOMIC_ADD_64_NV: + atomic_add_64_nv(&ap->ap_atomic, 5); + break; + case SPLAT_ATOMIC_SUB_64_NV: + atomic_sub_64_nv(&ap->ap_atomic, 5); + break; + default: + PANIC("Undefined op %d\n", op); + } + } + + atomic_inc_64(&ap->ap_atomic_exited); + + splat_vprint(ap->ap_file, SPLAT_ATOMIC_TEST1_NAME, + "Thread %d successfully exited: %lu/%lu\n", op, + (long unsigned)ap->ap_atomic, + (long unsigned)ap->ap_atomic_exited); + + wake_up(&ap->ap_waitq); + thread_exit(); +} + +static int +splat_atomic_test1_cond(atomic_priv_t *ap, int started) +{ + return (ap->ap_atomic_exited == started); +} + +static int +splat_atomic_test1(struct file *file, void *arg) +{ + atomic_priv_t ap; + DEFINE_WAIT(wait); + kthread_t *thr; + int i, rc = 0; + + ap.ap_magic = SPLAT_ATOMIC_TEST_MAGIC; + ap.ap_file = file; + mutex_init(&ap.ap_lock, SPLAT_ATOMIC_TEST1_NAME, MUTEX_DEFAULT, NULL); + init_waitqueue_head(&ap.ap_waitq); + ap.ap_atomic = SPLAT_ATOMIC_INIT_VALUE; + ap.ap_atomic_exited = 0; + + for (i = 0; i < SPLAT_ATOMIC_COUNT_64; i++) { + mutex_enter(&ap.ap_lock); + ap.ap_op = i; + + thr = (kthread_t *)thread_create(NULL, 0, splat_atomic_work, + &ap, 0, &p0, TS_RUN, + defclsyspri); + if (thr == NULL) { + rc = -ESRCH; + mutex_exit(&ap.ap_lock); + break; + } + + /* Prepare to wait, the new thread will wake us once it + * has made a copy of the unique private passed data */ + prepare_to_wait(&ap.ap_waitq, &wait, TASK_UNINTERRUPTIBLE); + mutex_exit(&ap.ap_lock); + schedule(); + } + + wait_event(ap.ap_waitq, splat_atomic_test1_cond(&ap, i)); + + if (rc) { + splat_vprint(file, SPLAT_ATOMIC_TEST1_NAME, "Only started " + "%d/%d test threads\n", i, SPLAT_ATOMIC_COUNT_64); + return rc; + } + + if (ap.ap_atomic != SPLAT_ATOMIC_INIT_VALUE) { + splat_vprint(file, SPLAT_ATOMIC_TEST1_NAME, + "Final value %lu does not match initial value %lu\n", + (long unsigned)ap.ap_atomic, SPLAT_ATOMIC_INIT_VALUE); + return -EINVAL; + } + + splat_vprint(file, SPLAT_ATOMIC_TEST1_NAME, + "Success initial and final values match, %lu == %lu\n", + (long unsigned)ap.ap_atomic, SPLAT_ATOMIC_INIT_VALUE); + + mutex_destroy(&ap.ap_lock); + + return 0; +} + +splat_subsystem_t * +splat_atomic_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_ATOMIC_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_ATOMIC_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_ATOMIC; + + SPLAT_TEST_INIT(sub, SPLAT_ATOMIC_TEST1_NAME, SPLAT_ATOMIC_TEST1_DESC, + SPLAT_ATOMIC_TEST1_ID, splat_atomic_test1); + + return sub; +} + +void +splat_atomic_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_ATOMIC_TEST1_ID); + + kfree(sub); +} + +int +splat_atomic_id(void) { + return SPLAT_SUBSYSTEM_ATOMIC; +} diff --git a/spl/module/splat/splat-condvar.c b/spl/module/splat/splat-condvar.c new file mode 100644 index 000000000000..bdbaf79c8fd7 --- /dev/null +++ b/spl/module/splat/splat-condvar.c @@ -0,0 +1,511 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Condition Variable Tests. +\*****************************************************************************/ + +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_CONDVAR_NAME "condvar" +#define SPLAT_CONDVAR_DESC "Kernel Condition Variable Tests" + +#define SPLAT_CONDVAR_TEST1_ID 0x0501 +#define SPLAT_CONDVAR_TEST1_NAME "signal1" +#define SPLAT_CONDVAR_TEST1_DESC "Wake a single thread, cv_wait()/cv_signal()" + +#define SPLAT_CONDVAR_TEST2_ID 0x0502 +#define SPLAT_CONDVAR_TEST2_NAME "broadcast1" +#define SPLAT_CONDVAR_TEST2_DESC "Wake all threads, cv_wait()/cv_broadcast()" + +#define SPLAT_CONDVAR_TEST3_ID 0x0503 +#define SPLAT_CONDVAR_TEST3_NAME "signal2" +#define SPLAT_CONDVAR_TEST3_DESC "Wake a single thread, cv_wait_timeout()/cv_signal()" + +#define SPLAT_CONDVAR_TEST4_ID 0x0504 +#define SPLAT_CONDVAR_TEST4_NAME "broadcast2" +#define SPLAT_CONDVAR_TEST4_DESC "Wake all threads, cv_wait_timeout()/cv_broadcast()" + +#define SPLAT_CONDVAR_TEST5_ID 0x0505 +#define SPLAT_CONDVAR_TEST5_NAME "timeout" +#define SPLAT_CONDVAR_TEST5_DESC "Timeout thread, cv_wait_timeout()" + +#define SPLAT_CONDVAR_TEST_MAGIC 0x115599DDUL +#define SPLAT_CONDVAR_TEST_NAME "condvar" +#define SPLAT_CONDVAR_TEST_COUNT 8 + +typedef struct condvar_priv { + unsigned long cv_magic; + struct file *cv_file; + kcondvar_t cv_condvar; + kmutex_t cv_mtx; +} condvar_priv_t; + +typedef struct condvar_thr { + const char *ct_name; + condvar_priv_t *ct_cvp; + struct task_struct *ct_thread; + int ct_rc; +} condvar_thr_t; + +int +splat_condvar_test12_thread(void *arg) +{ + condvar_thr_t *ct = (condvar_thr_t *)arg; + condvar_priv_t *cv = ct->ct_cvp; + + ASSERT(cv->cv_magic == SPLAT_CONDVAR_TEST_MAGIC); + + mutex_enter(&cv->cv_mtx); + splat_vprint(cv->cv_file, ct->ct_name, + "%s thread sleeping with %d waiters\n", + ct->ct_thread->comm, atomic_read(&cv->cv_condvar.cv_waiters)); + cv_wait(&cv->cv_condvar, &cv->cv_mtx); + splat_vprint(cv->cv_file, ct->ct_name, + "%s thread woken %d waiters remain\n", + ct->ct_thread->comm, atomic_read(&cv->cv_condvar.cv_waiters)); + mutex_exit(&cv->cv_mtx); + + /* wait for main thread reap us */ + while (!kthread_should_stop()) + schedule(); + return 0; +} + +static int +splat_condvar_test1(struct file *file, void *arg) +{ + int i, count = 0, rc = 0; + condvar_thr_t ct[SPLAT_CONDVAR_TEST_COUNT]; + condvar_priv_t cv; + + cv.cv_magic = SPLAT_CONDVAR_TEST_MAGIC; + cv.cv_file = file; + mutex_init(&cv.cv_mtx, SPLAT_CONDVAR_TEST_NAME, MUTEX_DEFAULT, NULL); + cv_init(&cv.cv_condvar, NULL, CV_DEFAULT, NULL); + + /* Create some threads, the exact number isn't important just as + * long as we know how many we managed to create and should expect. */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + ct[i].ct_cvp = &cv; + ct[i].ct_name = SPLAT_CONDVAR_TEST1_NAME; + ct[i].ct_rc = 0; + ct[i].ct_thread = spl_kthread_create(splat_condvar_test12_thread, + &ct[i], "%s/%d", SPLAT_CONDVAR_TEST_NAME, i); + + if (!IS_ERR(ct[i].ct_thread)) { + wake_up_process(ct[i].ct_thread); + count++; + } + } + + /* Wait until all threads are waiting on the condition variable */ + while (atomic_read(&cv.cv_condvar.cv_waiters) != count) + schedule(); + + /* Wake a single thread at a time, wait until it exits */ + for (i = 1; i <= count; i++) { + cv_signal(&cv.cv_condvar); + + while (atomic_read(&cv.cv_condvar.cv_waiters) > (count - i)) + schedule(); + + /* Correct behavior 1 thread woken */ + if (atomic_read(&cv.cv_condvar.cv_waiters) == (count - i)) + continue; + + splat_vprint(file, SPLAT_CONDVAR_TEST1_NAME, "Attempted to " + "wake %d thread but work %d threads woke\n", + 1, count - atomic_read(&cv.cv_condvar.cv_waiters)); + rc = -EINVAL; + break; + } + + if (!rc) + splat_vprint(file, SPLAT_CONDVAR_TEST1_NAME, "Correctly woke " + "%d sleeping threads %d at a time\n", count, 1); + + /* Wait until that last nutex is dropped */ + while (mutex_owner(&cv.cv_mtx)) + schedule(); + + /* Wake everything for the failure case */ + cv_broadcast(&cv.cv_condvar); + cv_destroy(&cv.cv_condvar); + + /* wait for threads to exit */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + if (!IS_ERR(ct[i].ct_thread)) + kthread_stop(ct[i].ct_thread); + } + mutex_destroy(&cv.cv_mtx); + + return rc; +} + +static int +splat_condvar_test2(struct file *file, void *arg) +{ + int i, count = 0, rc = 0; + condvar_thr_t ct[SPLAT_CONDVAR_TEST_COUNT]; + condvar_priv_t cv; + + cv.cv_magic = SPLAT_CONDVAR_TEST_MAGIC; + cv.cv_file = file; + mutex_init(&cv.cv_mtx, SPLAT_CONDVAR_TEST_NAME, MUTEX_DEFAULT, NULL); + cv_init(&cv.cv_condvar, NULL, CV_DEFAULT, NULL); + + /* Create some threads, the exact number isn't important just as + * long as we know how many we managed to create and should expect. */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + ct[i].ct_cvp = &cv; + ct[i].ct_name = SPLAT_CONDVAR_TEST2_NAME; + ct[i].ct_rc = 0; + ct[i].ct_thread = spl_kthread_create(splat_condvar_test12_thread, + &ct[i], "%s/%d", SPLAT_CONDVAR_TEST_NAME, i); + + if (!IS_ERR(ct[i].ct_thread)) { + wake_up_process(ct[i].ct_thread); + count++; + } + } + + /* Wait until all threads are waiting on the condition variable */ + while (atomic_read(&cv.cv_condvar.cv_waiters) != count) + schedule(); + + /* Wake all threads waiting on the condition variable */ + cv_broadcast(&cv.cv_condvar); + + /* Wait until all threads have exited */ + while ((atomic_read(&cv.cv_condvar.cv_waiters) > 0) || mutex_owner(&cv.cv_mtx)) + schedule(); + + splat_vprint(file, SPLAT_CONDVAR_TEST2_NAME, "Correctly woke all " + "%d sleeping threads at once\n", count); + + /* Wake everything for the failure case */ + cv_destroy(&cv.cv_condvar); + + /* wait for threads to exit */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + if (!IS_ERR(ct[i].ct_thread)) + kthread_stop(ct[i].ct_thread); + } + mutex_destroy(&cv.cv_mtx); + + return rc; +} + +int +splat_condvar_test34_thread(void *arg) +{ + condvar_thr_t *ct = (condvar_thr_t *)arg; + condvar_priv_t *cv = ct->ct_cvp; + clock_t rc; + + ASSERT(cv->cv_magic == SPLAT_CONDVAR_TEST_MAGIC); + + mutex_enter(&cv->cv_mtx); + splat_vprint(cv->cv_file, ct->ct_name, + "%s thread sleeping with %d waiters\n", + ct->ct_thread->comm, atomic_read(&cv->cv_condvar.cv_waiters)); + + /* Sleep no longer than 3 seconds, for this test we should + * actually never sleep that long without being woken up. */ + rc = cv_timedwait(&cv->cv_condvar, &cv->cv_mtx, lbolt + HZ * 3); + if (rc == -1) { + ct->ct_rc = -ETIMEDOUT; + splat_vprint(cv->cv_file, ct->ct_name, "%s thread timed out, " + "should have been woken\n", ct->ct_thread->comm); + } else { + splat_vprint(cv->cv_file, ct->ct_name, + "%s thread woken %d waiters remain\n", + ct->ct_thread->comm, + atomic_read(&cv->cv_condvar.cv_waiters)); + } + + mutex_exit(&cv->cv_mtx); + + /* wait for main thread reap us */ + while (!kthread_should_stop()) + schedule(); + return 0; +} + +static int +splat_condvar_test3(struct file *file, void *arg) +{ + int i, count = 0, rc = 0; + condvar_thr_t ct[SPLAT_CONDVAR_TEST_COUNT]; + condvar_priv_t cv; + + cv.cv_magic = SPLAT_CONDVAR_TEST_MAGIC; + cv.cv_file = file; + mutex_init(&cv.cv_mtx, SPLAT_CONDVAR_TEST_NAME, MUTEX_DEFAULT, NULL); + cv_init(&cv.cv_condvar, NULL, CV_DEFAULT, NULL); + + /* Create some threads, the exact number isn't important just as + * long as we know how many we managed to create and should expect. */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + ct[i].ct_cvp = &cv; + ct[i].ct_name = SPLAT_CONDVAR_TEST3_NAME; + ct[i].ct_rc = 0; + ct[i].ct_thread = spl_kthread_create(splat_condvar_test34_thread, + &ct[i], "%s/%d", SPLAT_CONDVAR_TEST_NAME, i); + + if (!IS_ERR(ct[i].ct_thread)) { + wake_up_process(ct[i].ct_thread); + count++; + } + } + + /* Wait until all threads are waiting on the condition variable */ + while (atomic_read(&cv.cv_condvar.cv_waiters) != count) + schedule(); + + /* Wake a single thread at a time, wait until it exits */ + for (i = 1; i <= count; i++) { + cv_signal(&cv.cv_condvar); + + while (atomic_read(&cv.cv_condvar.cv_waiters) > (count - i)) + schedule(); + + /* Correct behavior 1 thread woken */ + if (atomic_read(&cv.cv_condvar.cv_waiters) == (count - i)) + continue; + + splat_vprint(file, SPLAT_CONDVAR_TEST3_NAME, "Attempted to " + "wake %d thread but work %d threads woke\n", + 1, count - atomic_read(&cv.cv_condvar.cv_waiters)); + rc = -EINVAL; + break; + } + + /* Validate no waiting thread timed out early */ + for (i = 0; i < count; i++) + if (ct[i].ct_rc) + rc = ct[i].ct_rc; + + if (!rc) + splat_vprint(file, SPLAT_CONDVAR_TEST3_NAME, "Correctly woke " + "%d sleeping threads %d at a time\n", count, 1); + + /* Wait until that last nutex is dropped */ + while (mutex_owner(&cv.cv_mtx)) + schedule(); + + /* Wake everything for the failure case */ + cv_broadcast(&cv.cv_condvar); + cv_destroy(&cv.cv_condvar); + + /* wait for threads to exit */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + if (!IS_ERR(ct[i].ct_thread)) + kthread_stop(ct[i].ct_thread); + } + mutex_destroy(&cv.cv_mtx); + + return rc; +} + +static int +splat_condvar_test4(struct file *file, void *arg) +{ + int i, count = 0, rc = 0; + condvar_thr_t ct[SPLAT_CONDVAR_TEST_COUNT]; + condvar_priv_t cv; + + cv.cv_magic = SPLAT_CONDVAR_TEST_MAGIC; + cv.cv_file = file; + mutex_init(&cv.cv_mtx, SPLAT_CONDVAR_TEST_NAME, MUTEX_DEFAULT, NULL); + cv_init(&cv.cv_condvar, NULL, CV_DEFAULT, NULL); + + /* Create some threads, the exact number isn't important just as + * long as we know how many we managed to create and should expect. */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + ct[i].ct_cvp = &cv; + ct[i].ct_name = SPLAT_CONDVAR_TEST3_NAME; + ct[i].ct_rc = 0; + ct[i].ct_thread = spl_kthread_create(splat_condvar_test34_thread, + &ct[i], "%s/%d", SPLAT_CONDVAR_TEST_NAME, i); + + if (!IS_ERR(ct[i].ct_thread)) { + wake_up_process(ct[i].ct_thread); + count++; + } + } + + /* Wait until all threads are waiting on the condition variable */ + while (atomic_read(&cv.cv_condvar.cv_waiters) != count) + schedule(); + + /* Wake a single thread at a time, wait until it exits */ + for (i = 1; i <= count; i++) { + cv_signal(&cv.cv_condvar); + + while (atomic_read(&cv.cv_condvar.cv_waiters) > (count - i)) + schedule(); + + /* Correct behavior 1 thread woken */ + if (atomic_read(&cv.cv_condvar.cv_waiters) == (count - i)) + continue; + + splat_vprint(file, SPLAT_CONDVAR_TEST3_NAME, "Attempted to " + "wake %d thread but work %d threads woke\n", + 1, count - atomic_read(&cv.cv_condvar.cv_waiters)); + rc = -EINVAL; + break; + } + + /* Validate no waiting thread timed out early */ + for (i = 0; i < count; i++) + if (ct[i].ct_rc) + rc = ct[i].ct_rc; + + if (!rc) + splat_vprint(file, SPLAT_CONDVAR_TEST3_NAME, "Correctly woke " + "%d sleeping threads %d at a time\n", count, 1); + + /* Wait until that last nutex is dropped */ + while (mutex_owner(&cv.cv_mtx)) + schedule(); + + /* Wake everything for the failure case */ + cv_broadcast(&cv.cv_condvar); + cv_destroy(&cv.cv_condvar); + + /* wait for threads to exit */ + for (i = 0; i < SPLAT_CONDVAR_TEST_COUNT; i++) { + if (!IS_ERR(ct[i].ct_thread)) + kthread_stop(ct[i].ct_thread); + } + mutex_destroy(&cv.cv_mtx); + + return rc; +} + +static int +splat_condvar_test5(struct file *file, void *arg) +{ + kcondvar_t condvar; + kmutex_t mtx; + clock_t time_left, time_before, time_after, time_delta; + uint64_t whole_delta; + uint32_t remain_delta; + int rc = 0; + + mutex_init(&mtx, SPLAT_CONDVAR_TEST_NAME, MUTEX_DEFAULT, NULL); + cv_init(&condvar, NULL, CV_DEFAULT, NULL); + + splat_vprint(file, SPLAT_CONDVAR_TEST5_NAME, "Thread going to sleep for " + "%d second and expecting to be woken by timeout\n", 1); + + /* Allow a 1 second timeout, plenty long to validate correctness. */ + time_before = lbolt; + mutex_enter(&mtx); + time_left = cv_timedwait(&condvar, &mtx, lbolt + HZ); + mutex_exit(&mtx); + time_after = lbolt; + time_delta = time_after - time_before; /* XXX - Handle jiffie wrap */ + whole_delta = time_delta; + remain_delta = do_div(whole_delta, HZ); + + if (time_left == -1) { + if (time_delta >= HZ) { + splat_vprint(file, SPLAT_CONDVAR_TEST5_NAME, + "Thread correctly timed out and was asleep " + "for %d.%d seconds (%d second min)\n", + (int)whole_delta, (int)remain_delta, 1); + } else { + splat_vprint(file, SPLAT_CONDVAR_TEST5_NAME, + "Thread correctly timed out but was only " + "asleep for %d.%d seconds (%d second " + "min)\n", (int)whole_delta, + (int)remain_delta, 1); + rc = -ETIMEDOUT; + } + } else { + splat_vprint(file, SPLAT_CONDVAR_TEST5_NAME, + "Thread exited after only %d.%d seconds, it " + "did not hit the %d second timeout\n", + (int)whole_delta, (int)remain_delta, 1); + rc = -ETIMEDOUT; + } + + cv_destroy(&condvar); + mutex_destroy(&mtx); + + return rc; +} + +splat_subsystem_t * +splat_condvar_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_CONDVAR_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_CONDVAR_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_CONDVAR; + + SPLAT_TEST_INIT(sub, SPLAT_CONDVAR_TEST1_NAME, SPLAT_CONDVAR_TEST1_DESC, + SPLAT_CONDVAR_TEST1_ID, splat_condvar_test1); + SPLAT_TEST_INIT(sub, SPLAT_CONDVAR_TEST2_NAME, SPLAT_CONDVAR_TEST2_DESC, + SPLAT_CONDVAR_TEST2_ID, splat_condvar_test2); + SPLAT_TEST_INIT(sub, SPLAT_CONDVAR_TEST3_NAME, SPLAT_CONDVAR_TEST3_DESC, + SPLAT_CONDVAR_TEST3_ID, splat_condvar_test3); + SPLAT_TEST_INIT(sub, SPLAT_CONDVAR_TEST4_NAME, SPLAT_CONDVAR_TEST4_DESC, + SPLAT_CONDVAR_TEST4_ID, splat_condvar_test4); + SPLAT_TEST_INIT(sub, SPLAT_CONDVAR_TEST5_NAME, SPLAT_CONDVAR_TEST5_DESC, + SPLAT_CONDVAR_TEST5_ID, splat_condvar_test5); + + return sub; +} + +void +splat_condvar_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_CONDVAR_TEST5_ID); + SPLAT_TEST_FINI(sub, SPLAT_CONDVAR_TEST4_ID); + SPLAT_TEST_FINI(sub, SPLAT_CONDVAR_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_CONDVAR_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_CONDVAR_TEST1_ID); + + kfree(sub); +} + +int +splat_condvar_id(void) { + return SPLAT_SUBSYSTEM_CONDVAR; +} diff --git a/spl/module/splat/splat-cred.c b/spl/module/splat/splat-cred.c new file mode 100644 index 000000000000..f6b70ce34ebe --- /dev/null +++ b/spl/module/splat/splat-cred.c @@ -0,0 +1,299 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Credential Tests. +\*****************************************************************************/ + +#include +#include +#include "splat-internal.h" + +#define SPLAT_CRED_NAME "cred" +#define SPLAT_CRED_DESC "Kernel Cred Tests" + +#define SPLAT_CRED_TEST1_ID 0x0e01 +#define SPLAT_CRED_TEST1_NAME "cred" +#define SPLAT_CRED_TEST1_DESC "Task Credential Test" + +#define SPLAT_CRED_TEST2_ID 0x0e02 +#define SPLAT_CRED_TEST2_NAME "kcred" +#define SPLAT_CRED_TEST2_DESC "Kernel Credential Test" + +#define SPLAT_CRED_TEST3_ID 0x0e03 +#define SPLAT_CRED_TEST3_NAME "groupmember" +#define SPLAT_CRED_TEST3_DESC "Group Member Test" + +#define GROUP_STR_SIZE 128 +#define GROUP_STR_REDZONE 16 + +static int +splat_cred_test1(struct file *file, void *arg) +{ + char str[GROUP_STR_SIZE]; + uid_t uid, ruid, suid; + gid_t gid, rgid, sgid, *groups; + int ngroups, i, count = 0; + cred_t *cr = CRED(); + + uid = crgetuid(cr); + ruid = crgetruid(cr); + suid = crgetsuid(cr); + + gid = crgetgid(cr); + rgid = crgetrgid(cr); + sgid = crgetsgid(cr); + + ngroups = crgetngroups(cr); + groups = crgetgroups(cr); + + memset(str, 0, GROUP_STR_SIZE); + for (i = 0; i < ngroups; i++) { + count += sprintf(str + count, "%d ", groups[i]); + + if (count > (GROUP_STR_SIZE - GROUP_STR_REDZONE)) { + splat_vprint(file, SPLAT_CRED_TEST1_NAME, + "Failed too many group entries for temp " + "buffer: %d, %s\n", ngroups, str); + return -ENOSPC; + } + } + + splat_vprint(file, SPLAT_CRED_TEST1_NAME, + "uid: %d ruid: %d suid: %d " + "gid: %d rgid: %d sgid: %d\n", + uid, ruid, suid, gid, rgid, sgid); + splat_vprint(file, SPLAT_CRED_TEST1_NAME, + "ngroups: %d groups: %s\n", ngroups, str); + + if (uid || ruid || suid || gid || rgid || sgid) { + splat_vprint(file, SPLAT_CRED_TEST1_NAME, + "Failed expected all uids+gids to be %d\n", 0); + return -EIDRM; + } + + if (ngroups > NGROUPS_MAX) { + splat_vprint(file, SPLAT_CRED_TEST1_NAME, + "Failed ngroups must not exceed NGROUPS_MAX: " + "%d > %d\n", ngroups, NGROUPS_MAX); + return -EIDRM; + } + + splat_vprint(file, SPLAT_CRED_TEST1_NAME, + "Success sane CRED(): %d\n", 0); + + return 0; +} /* splat_cred_test1() */ + +static int +splat_cred_test2(struct file *file, void *arg) +{ + char str[GROUP_STR_SIZE]; + uid_t uid, ruid, suid; + gid_t gid, rgid, sgid, *groups; + int ngroups, i, count = 0; + + crhold(kcred); + + uid = crgetuid(kcred); + ruid = crgetruid(kcred); + suid = crgetsuid(kcred); + + gid = crgetgid(kcred); + rgid = crgetrgid(kcred); + sgid = crgetsgid(kcred); + + ngroups = crgetngroups(kcred); + groups = crgetgroups(kcred); + + memset(str, 0, GROUP_STR_SIZE); + for (i = 0; i < ngroups; i++) { + count += sprintf(str + count, "%d ", groups[i]); + + if (count > (GROUP_STR_SIZE - GROUP_STR_REDZONE)) { + splat_vprint(file, SPLAT_CRED_TEST2_NAME, + "Failed too many group entries for temp " + "buffer: %d, %s\n", ngroups, str); + crfree(kcred); + return -ENOSPC; + } + } + + crfree(kcred); + + splat_vprint(file, SPLAT_CRED_TEST2_NAME, + "uid: %d ruid: %d suid: %d " + "gid: %d rgid: %d sgid: %d\n", + uid, ruid, suid, gid, rgid, sgid); + splat_vprint(file, SPLAT_CRED_TEST2_NAME, + "ngroups: %d groups: %s\n", ngroups, str); + + if (uid || ruid || suid || gid || rgid || sgid) { + splat_vprint(file, SPLAT_CRED_TEST2_NAME, + "Failed expected all uids+gids to be %d\n", 0); + return -EIDRM; + } + + if (ngroups > NGROUPS_MAX) { + splat_vprint(file, SPLAT_CRED_TEST2_NAME, + "Failed ngroups must not exceed NGROUPS_MAX: " + "%d > %d\n", ngroups, NGROUPS_MAX); + return -EIDRM; + } + + splat_vprint(file, SPLAT_CRED_TEST2_NAME, + "Success sane kcred: %d\n", 0); + + return 0; +} /* splat_cred_test2() */ + +#define SPLAT_NGROUPS 32 +/* + * Verify the groupmember() works correctly by constructing an interesting + * CRED() and checking that the expected gids are part of it. + */ +static int +splat_cred_test3(struct file *file, void *arg) +{ + gid_t known_gid, missing_gid, tmp_gid; + unsigned char rnd; + struct group_info *gi; + int i, rc; + + get_random_bytes((void *)&rnd, 1); + known_gid = (rnd > 0) ? rnd : 1; + missing_gid = 0; + + /* + * Create an interesting known set of gids for test purposes. The + * gids are pseudo randomly selected are will be in the range of + * 1:(NGROUPS_MAX-1). Gid 0 is explicitly avoided so we can reliably + * test for its absence in the test cases. + */ + gi = groups_alloc(SPLAT_NGROUPS); + if (gi == NULL) { + splat_vprint(file, SPLAT_CRED_TEST3_NAME, "Failed create " + "group_info for known gids: %d\n", -ENOMEM); + rc = -ENOMEM; + goto show_groups; + } + + for (i = 0, tmp_gid = known_gid; i < SPLAT_NGROUPS; i++) { + splat_vprint(file, SPLAT_CRED_TEST3_NAME, "Adding gid %d " + "to current CRED() (%d/%d)\n", tmp_gid, i, gi->ngroups); +#ifdef HAVE_KUIDGID_T + GROUP_AT(gi, i) = make_kgid(current_user_ns(), tmp_gid); +#else + GROUP_AT(gi, i) = tmp_gid; +#endif /* HAVE_KUIDGID_T */ + tmp_gid = ((tmp_gid * 17) % (NGROUPS_MAX - 1)) + 1; + } + + /* Set the new groups in the CRED() and release our reference. */ + rc = set_current_groups(gi); + put_group_info(gi); + + if (rc) { + splat_vprint(file, SPLAT_CRED_TEST3_NAME, "Failed to add " + "gid %d to current group: %d\n", known_gid, rc); + goto show_groups; + } + + /* Verify groupmember() finds the known_gid in the CRED() */ + rc = groupmember(known_gid, CRED()); + if (!rc) { + splat_vprint(file, SPLAT_CRED_TEST3_NAME, "Failed to find " + "known gid %d in CRED()'s groups.\n", known_gid); + rc = -EIDRM; + goto show_groups; + } + + /* Verify groupmember() does NOT finds the missing gid in the CRED() */ + rc = groupmember(missing_gid, CRED()); + if (rc) { + splat_vprint(file, SPLAT_CRED_TEST3_NAME, "Failed missing " + "gid %d was found in CRED()'s groups.\n", missing_gid); + rc = -EIDRM; + goto show_groups; + } + + splat_vprint(file, SPLAT_CRED_TEST3_NAME, "Success groupmember() " + "correctly detects expected gids in CRED(): %d\n", rc); + +show_groups: + if (rc) { + int i, grps = crgetngroups(CRED()); + + splat_vprint(file, SPLAT_CRED_TEST3_NAME, "%d groups: ", grps); + for (i = 0; i < grps; i++) + splat_print(file, "%d ", crgetgroups(CRED())[i]); + splat_print(file, "%s", "\n"); + } + + + return (rc); +} /* splat_cred_test3() */ + +splat_subsystem_t * +splat_cred_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_CRED_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_CRED_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_CRED; + + SPLAT_TEST_INIT(sub, SPLAT_CRED_TEST1_NAME, SPLAT_CRED_TEST1_DESC, + SPLAT_CRED_TEST1_ID, splat_cred_test1); + SPLAT_TEST_INIT(sub, SPLAT_CRED_TEST2_NAME, SPLAT_CRED_TEST2_DESC, + SPLAT_CRED_TEST2_ID, splat_cred_test2); + SPLAT_TEST_INIT(sub, SPLAT_CRED_TEST3_NAME, SPLAT_CRED_TEST3_DESC, + SPLAT_CRED_TEST3_ID, splat_cred_test3); + + return sub; +} /* splat_cred_init() */ + +void +splat_cred_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_CRED_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_CRED_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_CRED_TEST1_ID); + + kfree(sub); +} /* splat_cred_fini() */ + +int +splat_cred_id(void) +{ + return SPLAT_SUBSYSTEM_CRED; +} /* splat_cred_id() */ diff --git a/spl/module/splat/splat-ctl.c b/spl/module/splat/splat-ctl.c new file mode 100644 index 000000000000..4d4148d427f2 --- /dev/null +++ b/spl/module/splat/splat-ctl.c @@ -0,0 +1,671 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Test Control Interface. + * + * The 'splat' (Solaris Porting LAyer Tests) module is designed as a + * framework which runs various in kernel regression tests to validate + * the SPL primitives honor the Solaris ABI. + * + * The splat module is constructed of various splat_* source files each + * of which contain regression tests for a particular subsystem. For + * example, the splat_kmem.c file contains all the tests for validating + * the kmem interfaces have been implemented correctly. When the splat + * module is loaded splat_*_init() will be called for each subsystems + * tests. It is the responsibility of splat_*_init() to register all + * the tests for this subsystem using the SPLAT_TEST_INIT() macro. + * Similarly splat_*_fini() is called when the splat module is removed + * and is responsible for unregistering its tests via the SPLAT_TEST_FINI + * macro. Once a test is registered it can then be run with an ioctl() + * call which specifies the subsystem and test to be run. The provided + * splat command line tool can be used to display all available + * subsystems and tests. It can also be used to run the full suite + * of regression tests or particular tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "splat-internal.h" + +static struct list_head splat_module_list; +static spinlock_t splat_module_lock; + +static int +splat_open(struct inode *inode, struct file *file) +{ + splat_info_t *info; + + info = (splat_info_t *)kmalloc(sizeof(*info), GFP_KERNEL); + if (info == NULL) + return -ENOMEM; + + mutex_init(&info->info_lock, SPLAT_NAME, MUTEX_DEFAULT, NULL); + info->info_size = SPLAT_INFO_BUFFER_SIZE; + info->info_buffer = (char *)vmalloc(SPLAT_INFO_BUFFER_SIZE); + if (info->info_buffer == NULL) { + kfree(info); + return -ENOMEM; + } + memset(info->info_buffer, 0, info->info_size); + + info->info_head = info->info_buffer; + file->private_data = (void *)info; + + splat_print(file, "%s\n", spl_version); + + return 0; +} + +static int +splat_release(struct inode *inode, struct file *file) +{ + splat_info_t *info = (splat_info_t *)file->private_data; + + ASSERT(info); + ASSERT(info->info_buffer); + + mutex_destroy(&info->info_lock); + vfree(info->info_buffer); + kfree(info); + + return 0; +} + +static int +splat_buffer_clear(struct file *file, splat_cfg_t *kcfg, unsigned long arg) +{ + splat_info_t *info = (splat_info_t *)file->private_data; + + ASSERT(info); + ASSERT(info->info_buffer); + + mutex_enter(&info->info_lock); + memset(info->info_buffer, 0, info->info_size); + info->info_head = info->info_buffer; + mutex_exit(&info->info_lock); + + return 0; +} + +static int +splat_buffer_size(struct file *file, splat_cfg_t *kcfg, unsigned long arg) +{ + splat_info_t *info = (splat_info_t *)file->private_data; + char *buf; + int min, size, rc = 0; + + ASSERT(info); + ASSERT(info->info_buffer); + + mutex_enter(&info->info_lock); + if (kcfg->cfg_arg1 > 0) { + + size = kcfg->cfg_arg1; + buf = (char *)vmalloc(size); + if (buf == NULL) { + rc = -ENOMEM; + goto out; + } + + /* Zero fill and truncate contents when coping buffer */ + min = ((size < info->info_size) ? size : info->info_size); + memset(buf, 0, size); + memcpy(buf, info->info_buffer, min); + vfree(info->info_buffer); + info->info_size = size; + info->info_buffer = buf; + info->info_head = info->info_buffer; + } + + kcfg->cfg_rc1 = info->info_size; + + if (copy_to_user((struct splat_cfg_t __user *)arg, kcfg, sizeof(*kcfg))) + rc = -EFAULT; +out: + mutex_exit(&info->info_lock); + + return rc; +} + + +static splat_subsystem_t * +splat_subsystem_find(int id) { + splat_subsystem_t *sub; + + spin_lock(&splat_module_lock); + list_for_each_entry(sub, &splat_module_list, subsystem_list) { + if (id == sub->desc.id) { + spin_unlock(&splat_module_lock); + return sub; + } + } + spin_unlock(&splat_module_lock); + + return NULL; +} + +static int +splat_subsystem_count(splat_cfg_t *kcfg, unsigned long arg) +{ + splat_subsystem_t *sub; + int i = 0; + + spin_lock(&splat_module_lock); + list_for_each_entry(sub, &splat_module_list, subsystem_list) + i++; + + spin_unlock(&splat_module_lock); + kcfg->cfg_rc1 = i; + + if (copy_to_user((struct splat_cfg_t __user *)arg, kcfg, sizeof(*kcfg))) + return -EFAULT; + + return 0; +} + +static int +splat_subsystem_list(splat_cfg_t *kcfg, unsigned long arg) +{ + splat_subsystem_t *sub; + splat_cfg_t *tmp; + int size, i = 0; + + /* Structure will be sized large enough for N subsystem entries + * which is passed in by the caller. On exit the number of + * entries filled in with valid subsystems will be stored in + * cfg_rc1. If the caller does not provide enough entries + * for all subsystems we will truncate the list to avoid overrun. + */ + size = sizeof(*tmp) + kcfg->cfg_data.splat_subsystems.size * + sizeof(splat_user_t); + tmp = kmalloc(size, GFP_KERNEL); + if (tmp == NULL) + return -ENOMEM; + + /* Local 'tmp' is used as the structure copied back to user space */ + memset(tmp, 0, size); + memcpy(tmp, kcfg, sizeof(*kcfg)); + + spin_lock(&splat_module_lock); + list_for_each_entry(sub, &splat_module_list, subsystem_list) { + strncpy(tmp->cfg_data.splat_subsystems.descs[i].name, + sub->desc.name, SPLAT_NAME_SIZE); + strncpy(tmp->cfg_data.splat_subsystems.descs[i].desc, + sub->desc.desc, SPLAT_DESC_SIZE); + tmp->cfg_data.splat_subsystems.descs[i].id = sub->desc.id; + + /* Truncate list if we are about to overrun alloc'ed memory */ + if ((i++) == kcfg->cfg_data.splat_subsystems.size) + break; + } + spin_unlock(&splat_module_lock); + tmp->cfg_rc1 = i; + + if (copy_to_user((struct splat_cfg_t __user *)arg, tmp, size)) { + kfree(tmp); + return -EFAULT; + } + + kfree(tmp); + return 0; +} + +static int +splat_test_count(splat_cfg_t *kcfg, unsigned long arg) +{ + splat_subsystem_t *sub; + splat_test_t *test; + int i = 0; + + /* Subsystem ID passed as arg1 */ + sub = splat_subsystem_find(kcfg->cfg_arg1); + if (sub == NULL) + return -EINVAL; + + spin_lock(&(sub->test_lock)); + list_for_each_entry(test, &(sub->test_list), test_list) + i++; + + spin_unlock(&(sub->test_lock)); + kcfg->cfg_rc1 = i; + + if (copy_to_user((struct splat_cfg_t __user *)arg, kcfg, sizeof(*kcfg))) + return -EFAULT; + + return 0; +} + +static int +splat_test_list(splat_cfg_t *kcfg, unsigned long arg) +{ + splat_subsystem_t *sub; + splat_test_t *test; + splat_cfg_t *tmp; + int size, i = 0; + + /* Subsystem ID passed as arg1 */ + sub = splat_subsystem_find(kcfg->cfg_arg1); + if (sub == NULL) + return -EINVAL; + + /* Structure will be sized large enough for N test entries + * which is passed in by the caller. On exit the number of + * entries filled in with valid tests will be stored in + * cfg_rc1. If the caller does not provide enough entries + * for all tests we will truncate the list to avoid overrun. + */ + size = sizeof(*tmp)+kcfg->cfg_data.splat_tests.size*sizeof(splat_user_t); + tmp = kmalloc(size, GFP_KERNEL); + if (tmp == NULL) + return -ENOMEM; + + /* Local 'tmp' is used as the structure copied back to user space */ + memset(tmp, 0, size); + memcpy(tmp, kcfg, sizeof(*kcfg)); + + spin_lock(&(sub->test_lock)); + list_for_each_entry(test, &(sub->test_list), test_list) { + strncpy(tmp->cfg_data.splat_tests.descs[i].name, + test->desc.name, SPLAT_NAME_SIZE); + strncpy(tmp->cfg_data.splat_tests.descs[i].desc, + test->desc.desc, SPLAT_DESC_SIZE); + tmp->cfg_data.splat_tests.descs[i].id = test->desc.id; + + /* Truncate list if we are about to overrun alloc'ed memory */ + if ((i++) == kcfg->cfg_data.splat_tests.size) + break; + } + spin_unlock(&(sub->test_lock)); + tmp->cfg_rc1 = i; + + if (copy_to_user((struct splat_cfg_t __user *)arg, tmp, size)) { + kfree(tmp); + return -EFAULT; + } + + kfree(tmp); + return 0; +} + +static int +splat_validate(struct file *file, splat_subsystem_t *sub, int cmd, void *arg) +{ + splat_test_t *test; + + spin_lock(&(sub->test_lock)); + list_for_each_entry(test, &(sub->test_list), test_list) { + if (test->desc.id == cmd) { + spin_unlock(&(sub->test_lock)); + return test->test(file, arg); + } + } + spin_unlock(&(sub->test_lock)); + + return -EINVAL; +} + +static int +splat_ioctl_cfg(struct file *file, unsigned int cmd, unsigned long arg) +{ + splat_cfg_t kcfg; + int rc = 0; + + /* User and kernel space agree about arg size */ + if (_IOC_SIZE(cmd) != sizeof(kcfg)) + return -EBADMSG; + + if (copy_from_user(&kcfg, (splat_cfg_t *)arg, sizeof(kcfg))) + return -EFAULT; + + if (kcfg.cfg_magic != SPLAT_CFG_MAGIC) { + splat_print(file, "Bad config magic 0x%x != 0x%x\n", + kcfg.cfg_magic, SPLAT_CFG_MAGIC); + return -EINVAL; + } + + switch (kcfg.cfg_cmd) { + case SPLAT_CFG_BUFFER_CLEAR: + /* cfg_arg1 - Unused + * cfg_rc1 - Unused + */ + rc = splat_buffer_clear(file, &kcfg, arg); + break; + case SPLAT_CFG_BUFFER_SIZE: + /* cfg_arg1 - 0 - query size; >0 resize + * cfg_rc1 - Set to current buffer size + */ + rc = splat_buffer_size(file, &kcfg, arg); + break; + case SPLAT_CFG_SUBSYSTEM_COUNT: + /* cfg_arg1 - Unused + * cfg_rc1 - Set to number of subsystems + */ + rc = splat_subsystem_count(&kcfg, arg); + break; + case SPLAT_CFG_SUBSYSTEM_LIST: + /* cfg_arg1 - Unused + * cfg_rc1 - Set to number of subsystems + * cfg_data.splat_subsystems - Set with subsystems + */ + rc = splat_subsystem_list(&kcfg, arg); + break; + case SPLAT_CFG_TEST_COUNT: + /* cfg_arg1 - Set to a target subsystem + * cfg_rc1 - Set to number of tests + */ + rc = splat_test_count(&kcfg, arg); + break; + case SPLAT_CFG_TEST_LIST: + /* cfg_arg1 - Set to a target subsystem + * cfg_rc1 - Set to number of tests + * cfg_data.splat_subsystems - Populated with tests + */ + rc = splat_test_list(&kcfg, arg); + break; + default: + splat_print(file, "Bad config command %d\n", + kcfg.cfg_cmd); + rc = -EINVAL; + break; + } + + return rc; +} + +static int +splat_ioctl_cmd(struct file *file, unsigned int cmd, unsigned long arg) +{ + splat_subsystem_t *sub; + splat_cmd_t kcmd; + int rc = -EINVAL; + void *data = NULL; + + /* User and kernel space agree about arg size */ + if (_IOC_SIZE(cmd) != sizeof(kcmd)) + return -EBADMSG; + + if (copy_from_user(&kcmd, (splat_cfg_t *)arg, sizeof(kcmd))) + return -EFAULT; + + if (kcmd.cmd_magic != SPLAT_CMD_MAGIC) { + splat_print(file, "Bad command magic 0x%x != 0x%x\n", + kcmd.cmd_magic, SPLAT_CFG_MAGIC); + return -EINVAL; + } + + /* Allocate memory for any opaque data the caller needed to pass on */ + if (kcmd.cmd_data_size > 0) { + data = (void *)kmalloc(kcmd.cmd_data_size, GFP_KERNEL); + if (data == NULL) + return -ENOMEM; + + if (copy_from_user(data, (void *)(arg + offsetof(splat_cmd_t, + cmd_data_str)), kcmd.cmd_data_size)) { + kfree(data); + return -EFAULT; + } + } + + sub = splat_subsystem_find(kcmd.cmd_subsystem); + if (sub != NULL) + rc = splat_validate(file, sub, kcmd.cmd_test, data); + else + rc = -EINVAL; + + if (data != NULL) + kfree(data); + + return rc; +} + +static long +splat_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int rc = 0; + + /* Ignore tty ioctls */ + if ((cmd & 0xffffff00) == ((int)'T') << 8) + return -ENOTTY; + + switch (cmd) { + case SPLAT_CFG: + rc = splat_ioctl_cfg(file, cmd, arg); + break; + case SPLAT_CMD: + rc = splat_ioctl_cmd(file, cmd, arg); + break; + default: + splat_print(file, "Bad ioctl command %d\n", cmd); + rc = -EINVAL; + break; + } + + return rc; +} + +#ifdef CONFIG_COMPAT +/* Compatibility handler for ioctls from 32-bit ELF binaries */ +static long +splat_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + return splat_unlocked_ioctl(file, cmd, arg); +} +#endif /* CONFIG_COMPAT */ + +/* I'm not sure why you would want to write in to this buffer from + * user space since its principle use is to pass test status info + * back to the user space, but I don't see any reason to prevent it. + */ +static ssize_t splat_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + splat_info_t *info = (splat_info_t *)file->private_data; + int rc = 0; + + ASSERT(info); + ASSERT(info->info_buffer); + + mutex_enter(&info->info_lock); + + /* Write beyond EOF */ + if (*ppos >= info->info_size) { + rc = -EFBIG; + goto out; + } + + /* Resize count if beyond EOF */ + if (*ppos + count > info->info_size) + count = info->info_size - *ppos; + + if (copy_from_user(info->info_buffer, buf, count)) { + rc = -EFAULT; + goto out; + } + + *ppos += count; + rc = count; +out: + mutex_exit(&info->info_lock); + return rc; +} + +static ssize_t splat_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + splat_info_t *info = (splat_info_t *)file->private_data; + int rc = 0; + + ASSERT(info); + ASSERT(info->info_buffer); + + mutex_enter(&info->info_lock); + + /* Read beyond EOF */ + if (*ppos >= info->info_size) + goto out; + + /* Resize count if beyond EOF */ + if (*ppos + count > info->info_size) + count = info->info_size - *ppos; + + if (copy_to_user(buf, info->info_buffer + *ppos, count)) { + rc = -EFAULT; + goto out; + } + + *ppos += count; + rc = count; +out: + mutex_exit(&info->info_lock); + return rc; +} + +static loff_t splat_seek(struct file *file, loff_t offset, int origin) +{ + splat_info_t *info = (splat_info_t *)file->private_data; + int rc = -EINVAL; + + ASSERT(info); + ASSERT(info->info_buffer); + + mutex_enter(&info->info_lock); + + switch (origin) { + case 0: /* SEEK_SET - No-op just do it */ + break; + case 1: /* SEEK_CUR - Seek from current */ + offset = file->f_pos + offset; + break; + case 2: /* SEEK_END - Seek from end */ + offset = info->info_size + offset; + break; + } + + if (offset >= 0) { + file->f_pos = offset; + file->f_version = 0; + rc = offset; + } + + mutex_exit(&info->info_lock); + + return rc; +} + +static struct file_operations splat_fops = { + .owner = THIS_MODULE, + .open = splat_open, + .release = splat_release, + .unlocked_ioctl = splat_unlocked_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = splat_compat_ioctl, +#endif + .read = splat_read, + .write = splat_write, + .llseek = splat_seek, +}; + +static struct miscdevice splat_misc = { + .minor = MISC_DYNAMIC_MINOR, + .name = SPLAT_NAME, + .fops = &splat_fops, +}; + +static int __init +splat_init(void) +{ + int error; + + spin_lock_init(&splat_module_lock); + INIT_LIST_HEAD(&splat_module_list); + + SPLAT_SUBSYSTEM_INIT(kmem); + SPLAT_SUBSYSTEM_INIT(taskq); + SPLAT_SUBSYSTEM_INIT(krng); + SPLAT_SUBSYSTEM_INIT(mutex); + SPLAT_SUBSYSTEM_INIT(condvar); + SPLAT_SUBSYSTEM_INIT(thread); + SPLAT_SUBSYSTEM_INIT(rwlock); + SPLAT_SUBSYSTEM_INIT(time); + SPLAT_SUBSYSTEM_INIT(vnode); + SPLAT_SUBSYSTEM_INIT(kobj); + SPLAT_SUBSYSTEM_INIT(atomic); + SPLAT_SUBSYSTEM_INIT(list); + SPLAT_SUBSYSTEM_INIT(generic); + SPLAT_SUBSYSTEM_INIT(cred); + SPLAT_SUBSYSTEM_INIT(zlib); + SPLAT_SUBSYSTEM_INIT(linux); + + error = misc_register(&splat_misc); + if (error) { + printk(KERN_INFO "SPLAT: misc_register() failed %d\n", error); + } else { + printk(KERN_INFO "SPLAT: Loaded module v%s-%s%s\n", + SPL_META_VERSION, SPL_META_RELEASE, SPL_DEBUG_STR); + } + + return (error); +} + +static void __exit +splat_fini(void) +{ + misc_deregister(&splat_misc); + + SPLAT_SUBSYSTEM_FINI(linux); + SPLAT_SUBSYSTEM_FINI(zlib); + SPLAT_SUBSYSTEM_FINI(cred); + SPLAT_SUBSYSTEM_FINI(generic); + SPLAT_SUBSYSTEM_FINI(list); + SPLAT_SUBSYSTEM_FINI(atomic); + SPLAT_SUBSYSTEM_FINI(kobj); + SPLAT_SUBSYSTEM_FINI(vnode); + SPLAT_SUBSYSTEM_FINI(time); + SPLAT_SUBSYSTEM_FINI(rwlock); + SPLAT_SUBSYSTEM_FINI(thread); + SPLAT_SUBSYSTEM_FINI(condvar); + SPLAT_SUBSYSTEM_FINI(mutex); + SPLAT_SUBSYSTEM_FINI(krng); + SPLAT_SUBSYSTEM_FINI(taskq); + SPLAT_SUBSYSTEM_FINI(kmem); + + ASSERT(list_empty(&splat_module_list)); + printk(KERN_INFO "SPLAT: Unloaded module v%s-%s%s\n", + SPL_META_VERSION, SPL_META_RELEASE, SPL_DEBUG_STR); +} + +module_init(splat_init); +module_exit(splat_fini); + +MODULE_DESCRIPTION("Solaris Porting LAyer Tests"); +MODULE_AUTHOR(SPL_META_AUTHOR); +MODULE_LICENSE(SPL_META_LICENSE); +MODULE_VERSION(SPL_META_VERSION "-" SPL_META_RELEASE); diff --git a/spl/module/splat/splat-generic.c b/spl/module/splat/splat-generic.c new file mode 100644 index 000000000000..3f8119b1ee04 --- /dev/null +++ b/spl/module/splat/splat-generic.c @@ -0,0 +1,367 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Generic Tests. +\*****************************************************************************/ + +#include +#include +#include "splat-internal.h" + +#define SPLAT_GENERIC_NAME "generic" +#define SPLAT_GENERIC_DESC "Kernel Generic Tests" + +#define SPLAT_GENERIC_TEST1_ID 0x0d01 +#define SPLAT_GENERIC_TEST1_NAME "ddi_strtoul" +#define SPLAT_GENERIC_TEST1_DESC "ddi_strtoul Test" + +#define SPLAT_GENERIC_TEST2_ID 0x0d02 +#define SPLAT_GENERIC_TEST2_NAME "ddi_strtol" +#define SPLAT_GENERIC_TEST2_DESC "ddi_strtol Test" + +#define SPLAT_GENERIC_TEST3_ID 0x0d03 +#define SPLAT_GENERIC_TEST3_NAME "ddi_strtoull" +#define SPLAT_GENERIC_TEST3_DESC "ddi_strtoull Test" + +#define SPLAT_GENERIC_TEST4_ID 0x0d04 +#define SPLAT_GENERIC_TEST4_NAME "ddi_strtoll" +#define SPLAT_GENERIC_TEST4_DESC "ddi_strtoll Test" + +# define SPLAT_GENERIC_TEST5_ID 0x0d05 +# define SPLAT_GENERIC_TEST5_NAME "udivdi3" +# define SPLAT_GENERIC_TEST5_DESC "Unsigned Div-64 Test" + +# define SPLAT_GENERIC_TEST6_ID 0x0d06 +# define SPLAT_GENERIC_TEST6_NAME "divdi3" +# define SPLAT_GENERIC_TEST6_DESC "Signed Div-64 Test" + +#define STR_POS "123456789" +#define STR_NEG "-123456789" +#define STR_BASE "0xabcdef" +#define STR_RANGE_MAX "10000000000000000" +#define STR_RANGE_MIN "-10000000000000000" +#define STR_INVAL1 "12345U" +#define STR_INVAL2 "invald" + +#define VAL_POS 123456789 +#define VAL_NEG -123456789 +#define VAL_BASE 0xabcdef +#define VAL_INVAL1 12345U + +#define define_generic_msg_strtox(type, valtype) \ +static void \ +generic_msg_strto##type(struct file *file, char *msg, int rc, int *err, \ + const char *s, valtype d, char *endptr) \ +{ \ + splat_vprint(file, SPLAT_GENERIC_TEST1_NAME, \ + "%s (%d) %s: %s == %lld, 0x%p\n", \ + rc ? "Fail" : "Pass", *err, msg, s, \ + (unsigned long long)d, endptr); \ + *err = rc; \ +} + +define_generic_msg_strtox(ul, unsigned long); +define_generic_msg_strtox(l, long); +define_generic_msg_strtox(ull, unsigned long long); +define_generic_msg_strtox(ll, long long); + +#define define_splat_generic_test_strtox(type, valtype) \ +static int \ +splat_generic_test_strto##type(struct file *file, void *arg) \ +{ \ + int rc, rc1, rc2, rc3, rc4, rc5, rc6, rc7; \ + char str[20], *endptr; \ + valtype r; \ + \ + /* Positive value: expect success */ \ + r = 0; \ + rc = 1; \ + endptr = NULL; \ + rc1 = ddi_strto##type(STR_POS, &endptr, 10, &r); \ + if (rc1 == 0 && r == VAL_POS && endptr && *endptr == '\0') \ + rc = 0; \ + \ + generic_msg_strto##type(file, "positive", rc , &rc1, \ + STR_POS, r, endptr); \ + \ + /* Negative value: expect success */ \ + r = 0; \ + rc = 1; \ + endptr = NULL; \ + strcpy(str, STR_NEG); \ + rc2 = ddi_strto##type(str, &endptr, 10, &r); \ + if (#type[0] == 'u') { \ + if (rc2 == 0 && r == 0 && endptr == str) \ + rc = 0; \ + } else { \ + if (rc2 == 0 && r == VAL_NEG && \ + endptr && *endptr == '\0') \ + rc = 0; \ + } \ + \ + generic_msg_strto##type(file, "negative", rc, &rc2, \ + STR_NEG, r, endptr); \ + \ + /* Non decimal base: expect sucess */ \ + r = 0; \ + rc = 1; \ + endptr = NULL; \ + rc3 = ddi_strto##type(STR_BASE, &endptr, 0, &r); \ + if (rc3 == 0 && r == VAL_BASE && endptr && *endptr == '\0') \ + rc = 0; \ + \ + generic_msg_strto##type(file, "base", rc, &rc3, \ + STR_BASE, r, endptr); \ + \ + /* Max out of range: failure expected, r unchanged */ \ + r = 0; \ + rc = 1; \ + endptr = NULL; \ + rc4 = ddi_strto##type(STR_RANGE_MAX, &endptr, 16, &r); \ + if (rc4 == ERANGE && r == 0 && endptr == NULL) \ + rc = 0; \ + \ + generic_msg_strto##type(file, "max", rc, &rc4, \ + STR_RANGE_MAX, r, endptr); \ + \ + /* Min out of range: failure expected, r unchanged */ \ + r = 0; \ + rc = 1; \ + endptr = NULL; \ + strcpy(str, STR_RANGE_MIN); \ + rc5 = ddi_strto##type(str, &endptr, 16, &r); \ + if (#type[0] == 'u') { \ + if (rc5 == 0 && r == 0 && endptr == str) \ + rc = 0; \ + } else { \ + if (rc5 == ERANGE && r == 0 && endptr == NULL) \ + rc = 0; \ + } \ + \ + generic_msg_strto##type(file, "min", rc, &rc5, \ + STR_RANGE_MIN, r, endptr); \ + \ + /* Invalid string: success expected, endptr == 'U' */ \ + r = 0; \ + rc = 1; \ + endptr = NULL; \ + rc6 = ddi_strto##type(STR_INVAL1, &endptr, 10, &r); \ + if (rc6 == 0 && r == VAL_INVAL1 && endptr && *endptr == 'U') \ + rc = 0; \ + \ + generic_msg_strto##type(file, "invalid", rc, &rc6, \ + STR_INVAL1, r, endptr); \ + \ + /* Invalid string: failure expected, endptr == str */ \ + r = 0; \ + rc = 1; \ + endptr = NULL; \ + strcpy(str, STR_INVAL2); \ + rc7 = ddi_strto##type(str, &endptr, 10, &r); \ + if (rc7 == 0 && r == 0 && endptr == str) \ + rc = 0; \ + \ + generic_msg_strto##type(file, "invalid", rc, &rc7, \ + STR_INVAL2, r, endptr); \ + \ + return (rc1 || rc2 || rc3 || rc4 || rc5 || rc6 || rc7) ? \ + -EINVAL : 0; \ +} + +define_splat_generic_test_strtox(ul, unsigned long); +define_splat_generic_test_strtox(l, long); +define_splat_generic_test_strtox(ull, unsigned long long); +define_splat_generic_test_strtox(ll, long long); + +/* + * The entries in the table are used in all combinations and the + * return value is checked to ensure it is range. On 32-bit + * systems __udivdi3 will be invoked for the 64-bit division. + * On 64-bit system the native 64-bit divide will be used so + * __udivdi3 isn't used but we might as well stil run the test. + */ +static int +splat_generic_test_udivdi3(struct file *file, void *arg) +{ + const uint64_t tabu[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 13, 14, 15, 16, 1000, 2003, + 32765, 32766, 32767, 32768, 32769, 32760, + 65533, 65534, 65535, 65536, 65537, 65538, + 0x7ffffffeULL, 0x7fffffffULL, 0x80000000ULL, 0x80000001ULL, + 0x7000000000000000ULL, 0x7000000080000000ULL, 0x7000000080000001ULL, + 0x7fffffffffffffffULL, 0x7fffffff8fffffffULL, 0x7fffffff8ffffff1ULL, + 0x7fffffff00000000ULL, 0x7fffffff80000000ULL, 0x7fffffff00000001ULL, + 0x8000000000000000ULL, 0x8000000080000000ULL, 0x8000000080000001ULL, + 0xc000000000000000ULL, 0xc000000080000000ULL, 0xc000000080000001ULL, + 0xfffffffffffffffdULL, 0xfffffffffffffffeULL, 0xffffffffffffffffULL, + }; + uint64_t uu, vu, qu, ru; + int n, i, j, errors = 0; + + splat_vprint(file, SPLAT_GENERIC_TEST5_NAME, "%s", + "Testing unsigned 64-bit division.\n"); + n = sizeof(tabu) / sizeof(tabu[0]); + for (i = 0; i < n; i++) { + for (j = 1; j < n; j++) { + uu = tabu[i]; + vu = tabu[j]; + qu = uu / vu; /* __udivdi3 */ + ru = uu - qu * vu; + if (qu > uu || ru >= vu) { + splat_vprint(file, SPLAT_GENERIC_TEST5_NAME, + "%016llx/%016llx != %016llx rem %016llx\n", + uu, vu, qu, ru); + errors++; + } + } + } + + if (errors) { + splat_vprint(file, SPLAT_GENERIC_TEST5_NAME, + "Failed %d/%d tests\n", errors, n * (n - 1)); + return -ERANGE; + } + + splat_vprint(file, SPLAT_GENERIC_TEST5_NAME, + "Passed all %d tests\n", n * (n - 1)); + + return 0; +} + +/* + * The entries the table are used in all combinations, with + and - signs + * preceding them. The return value is checked to ensure it is range. + * On 32-bit systems __divdi3 will be invoked for the 64-bit division. + * On 64-bit system the native 64-bit divide will be used so __divdi3 + * isn't used but we might as well stil run the test. + */ +static int +splat_generic_test_divdi3(struct file *file, void *arg) +{ + const int64_t tabs[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 13, 14, 15, 16, 1000, 2003, + 32765, 32766, 32767, 32768, 32769, 32760, + 65533, 65534, 65535, 65536, 65537, 65538, + 0x7ffffffeLL, 0x7fffffffLL, 0x80000000LL, 0x80000001LL, + 0x7000000000000000LL, 0x7000000080000000LL, 0x7000000080000001LL, + 0x7fffffffffffffffLL, 0x7fffffff8fffffffLL, 0x7fffffff8ffffff1LL, + 0x7fffffff00000000LL, 0x7fffffff80000000LL, 0x7fffffff00000001LL, + 0x0123456789abcdefLL, 0x00000000abcdef01LL, 0x0000000012345678LL, +#if BITS_PER_LONG == 32 + 0x8000000000000000LL, 0x8000000080000000LL, 0x8000000080000001LL, +#endif + }; + int64_t u, v, q, r; + int n, i, j, k, errors = 0; + + splat_vprint(file, SPLAT_GENERIC_TEST6_NAME, "%s", + "Testing signed 64-bit division.\n"); + n = sizeof(tabs) / sizeof(tabs[0]); + for (i = 0; i < n; i++) { + for (j = 1; j < n; j++) { + for (k = 0; k <= 3; k++) { + u = (k & 1) ? -tabs[i] : tabs[i]; + v = (k >= 2) ? -tabs[j] : tabs[j]; + + q = u / v; /* __divdi3 */ + r = u - q * v; + if (abs64(q) > abs64(u) || + abs64(r) >= abs64(v) || + (r != 0 && (r ^ u) < 0)) { + splat_vprint(file, + SPLAT_GENERIC_TEST6_NAME, + "%016llx/%016llx != %016llx " + "rem %016llx\n", u, v, q, r); + errors++; + } + } + } + } + + if (errors) { + splat_vprint(file, SPLAT_GENERIC_TEST6_NAME, + "Failed %d/%d tests\n", errors, n * (n - 1)); + return -ERANGE; + } + + splat_vprint(file, SPLAT_GENERIC_TEST6_NAME, + "Passed all %d tests\n", n * (n - 1)); + + return 0; +} + +splat_subsystem_t * +splat_generic_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_GENERIC_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_GENERIC_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_GENERIC; + + SPLAT_TEST_INIT(sub, SPLAT_GENERIC_TEST1_NAME, SPLAT_GENERIC_TEST1_DESC, + SPLAT_GENERIC_TEST1_ID, splat_generic_test_strtoul); + SPLAT_TEST_INIT(sub, SPLAT_GENERIC_TEST2_NAME, SPLAT_GENERIC_TEST2_DESC, + SPLAT_GENERIC_TEST2_ID, splat_generic_test_strtol); + SPLAT_TEST_INIT(sub, SPLAT_GENERIC_TEST3_NAME, SPLAT_GENERIC_TEST3_DESC, + SPLAT_GENERIC_TEST3_ID, splat_generic_test_strtoull); + SPLAT_TEST_INIT(sub, SPLAT_GENERIC_TEST4_NAME, SPLAT_GENERIC_TEST4_DESC, + SPLAT_GENERIC_TEST4_ID, splat_generic_test_strtoll); + SPLAT_TEST_INIT(sub, SPLAT_GENERIC_TEST5_NAME, SPLAT_GENERIC_TEST5_DESC, + SPLAT_GENERIC_TEST5_ID, splat_generic_test_udivdi3); + SPLAT_TEST_INIT(sub, SPLAT_GENERIC_TEST6_NAME, SPLAT_GENERIC_TEST6_DESC, + SPLAT_GENERIC_TEST6_ID, splat_generic_test_divdi3); + + return sub; +} + +void +splat_generic_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_GENERIC_TEST6_ID); + SPLAT_TEST_FINI(sub, SPLAT_GENERIC_TEST5_ID); + SPLAT_TEST_FINI(sub, SPLAT_GENERIC_TEST4_ID); + SPLAT_TEST_FINI(sub, SPLAT_GENERIC_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_GENERIC_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_GENERIC_TEST1_ID); + + kfree(sub); +} + +int +splat_generic_id(void) +{ + return SPLAT_SUBSYSTEM_GENERIC; +} diff --git a/spl/module/splat/splat-internal.h b/spl/module/splat/splat-internal.h new file mode 100644 index 000000000000..36cf04da1ec0 --- /dev/null +++ b/spl/module/splat/splat-internal.h @@ -0,0 +1,220 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . +\*****************************************************************************/ + +#ifndef _SPLAT_INTERNAL_H +#define _SPLAT_INTERNAL_H + +#include "splat-ctl.h" +#include +#include +#include + +#define SPLAT_SUBSYSTEM_INIT(type) \ +({ splat_subsystem_t *_sub_; \ + \ + _sub_ = (splat_subsystem_t *)splat_##type##_init(); \ + if (_sub_ == NULL) { \ + printk(KERN_ERR "splat: Error initializing: " #type "\n"); \ + } else { \ + spin_lock(&splat_module_lock); \ + list_add_tail(&(_sub_->subsystem_list), \ + &splat_module_list); \ + spin_unlock(&splat_module_lock); \ + } \ +}) + +#define SPLAT_SUBSYSTEM_FINI(type) \ +({ splat_subsystem_t *_sub_, *_tmp_; \ + int _id_, _flag_ = 0; \ + \ + _id_ = splat_##type##_id(); \ + spin_lock(&splat_module_lock); \ + list_for_each_entry_safe(_sub_, _tmp_, &splat_module_list, \ + subsystem_list) { \ + if (_sub_->desc.id == _id_) { \ + list_del_init(&(_sub_->subsystem_list)); \ + spin_unlock(&splat_module_lock); \ + splat_##type##_fini(_sub_); \ + spin_lock(&splat_module_lock); \ + _flag_ = 1; \ + } \ + } \ + spin_unlock(&splat_module_lock); \ + \ + if (!_flag_) \ + printk(KERN_ERR "splat: Error finalizing: " #type "\n"); \ +}) + +#define SPLAT_TEST_INIT(sub, n, d, tid, func) \ +({ splat_test_t *_test_; \ + \ + _test_ = (splat_test_t *)kmalloc(sizeof(*_test_), GFP_KERNEL); \ + if (_test_ == NULL) { \ + printk(KERN_ERR "splat: Error initializing: " n "/" #tid" \n");\ + } else { \ + memset(_test_, 0, sizeof(*_test_)); \ + strncpy(_test_->desc.name, n, SPLAT_NAME_SIZE-1); \ + strncpy(_test_->desc.desc, d, SPLAT_DESC_SIZE-1); \ + _test_->desc.id = tid; \ + _test_->test = func; \ + INIT_LIST_HEAD(&(_test_->test_list)); \ + spin_lock(&((sub)->test_lock)); \ + list_add_tail(&(_test_->test_list),&((sub)->test_list));\ + spin_unlock(&((sub)->test_lock)); \ + } \ +}) + +#define SPLAT_TEST_FINI(sub, tid) \ +({ splat_test_t *_test_, *_tmp_; \ + int _flag_ = 0; \ + \ + spin_lock(&((sub)->test_lock)); \ + list_for_each_entry_safe(_test_, _tmp_, \ + &((sub)->test_list), test_list) { \ + if (_test_->desc.id == tid) { \ + list_del_init(&(_test_->test_list)); \ + kfree(_test_); \ + _flag_ = 1; \ + } \ + } \ + spin_unlock(&((sub)->test_lock)); \ + \ + if (!_flag_) \ + printk(KERN_ERR "splat: Error finalizing: " #tid "\n"); \ +}) + +typedef int (*splat_test_func_t)(struct file *, void *); + +typedef struct splat_test { + struct list_head test_list; + splat_user_t desc; + splat_test_func_t test; +} splat_test_t; + +typedef struct splat_subsystem { + struct list_head subsystem_list;/* List had to chain entries */ + splat_user_t desc; + spinlock_t test_lock; + struct list_head test_list; +} splat_subsystem_t; + +#define SPLAT_INFO_BUFFER_SIZE 65536 +#define SPLAT_INFO_BUFFER_REDZONE 256 + +typedef struct splat_info { + kmutex_t info_lock; + int info_size; + char *info_buffer; + char *info_head; /* Internal kernel use only */ +} splat_info_t; + +#define sym2str(sym) (char *)(#sym) + +#define splat_print(file, format, args...) \ +({ splat_info_t *_info_ = (splat_info_t *)file->private_data; \ + int _rc_; \ + \ + ASSERT(_info_); \ + ASSERT(_info_->info_buffer); \ + \ + mutex_enter(&_info_->info_lock); \ + \ + /* Don't allow the kernel to start a write in the red zone */ \ + if ((int)(_info_->info_head - _info_->info_buffer) > \ + (SPLAT_INFO_BUFFER_SIZE - SPLAT_INFO_BUFFER_REDZONE)) { \ + _rc_ = -EOVERFLOW; \ + } else { \ + _rc_ = sprintf(_info_->info_head, format, args); \ + if (_rc_ >= 0) \ + _info_->info_head += _rc_; \ + } \ + \ + mutex_exit(&_info_->info_lock); \ + _rc_; \ +}) + +#define splat_vprint(file, test, format, args...) \ + splat_print(file, "%*s: " format, SPLAT_NAME_SIZE, test, args) + +#define splat_locked_test(lock, test) \ +({ \ + int _rc_; \ + spin_lock(lock); \ + _rc_ = (test) ? 1 : 0; \ + spin_unlock(lock); \ + _rc_; \ +}) + +splat_subsystem_t *splat_condvar_init(void); +splat_subsystem_t *splat_kmem_init(void); +splat_subsystem_t *splat_mutex_init(void); +splat_subsystem_t *splat_krng_init(void); +splat_subsystem_t *splat_rwlock_init(void); +splat_subsystem_t *splat_taskq_init(void); +splat_subsystem_t *splat_thread_init(void); +splat_subsystem_t *splat_time_init(void); +splat_subsystem_t *splat_vnode_init(void); +splat_subsystem_t *splat_kobj_init(void); +splat_subsystem_t *splat_atomic_init(void); +splat_subsystem_t *splat_list_init(void); +splat_subsystem_t *splat_generic_init(void); +splat_subsystem_t *splat_cred_init(void); +splat_subsystem_t *splat_zlib_init(void); +splat_subsystem_t *splat_linux_init(void); + +void splat_condvar_fini(splat_subsystem_t *); +void splat_kmem_fini(splat_subsystem_t *); +void splat_mutex_fini(splat_subsystem_t *); +void splat_krng_fini(splat_subsystem_t *); +void splat_rwlock_fini(splat_subsystem_t *); +void splat_taskq_fini(splat_subsystem_t *); +void splat_thread_fini(splat_subsystem_t *); +void splat_time_fini(splat_subsystem_t *); +void splat_vnode_fini(splat_subsystem_t *); +void splat_kobj_fini(splat_subsystem_t *); +void splat_atomic_fini(splat_subsystem_t *); +void splat_list_fini(splat_subsystem_t *); +void splat_generic_fini(splat_subsystem_t *); +void splat_cred_fini(splat_subsystem_t *); +void splat_zlib_fini(splat_subsystem_t *); +void splat_linux_fini(splat_subsystem_t *); + +int splat_condvar_id(void); +int splat_kmem_id(void); +int splat_mutex_id(void); +int splat_krng_id(void); +int splat_rwlock_id(void); +int splat_taskq_id(void); +int splat_thread_id(void); +int splat_time_id(void); +int splat_vnode_id(void); +int splat_kobj_id(void); +int splat_atomic_id(void); +int splat_list_id(void); +int splat_generic_id(void); +int splat_cred_id(void); +int splat_zlib_id(void); +int splat_linux_id(void); + +#endif /* _SPLAT_INTERNAL_H */ diff --git a/spl/module/splat/splat-kmem.c b/spl/module/splat/splat-kmem.c new file mode 100644 index 000000000000..b3fd1a84dc87 --- /dev/null +++ b/spl/module/splat/splat-kmem.c @@ -0,0 +1,1398 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Kmem Tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_KMEM_NAME "kmem" +#define SPLAT_KMEM_DESC "Kernel Malloc/Slab Tests" + +#define SPLAT_KMEM_TEST1_ID 0x0101 +#define SPLAT_KMEM_TEST1_NAME "kmem_alloc" +#define SPLAT_KMEM_TEST1_DESC "Memory allocation test (kmem_alloc)" + +#define SPLAT_KMEM_TEST2_ID 0x0102 +#define SPLAT_KMEM_TEST2_NAME "kmem_zalloc" +#define SPLAT_KMEM_TEST2_DESC "Memory allocation test (kmem_zalloc)" + +#define SPLAT_KMEM_TEST3_ID 0x0103 +#define SPLAT_KMEM_TEST3_NAME "vmem_alloc" +#define SPLAT_KMEM_TEST3_DESC "Memory allocation test (vmem_alloc)" + +#define SPLAT_KMEM_TEST4_ID 0x0104 +#define SPLAT_KMEM_TEST4_NAME "vmem_zalloc" +#define SPLAT_KMEM_TEST4_DESC "Memory allocation test (vmem_zalloc)" + +#define SPLAT_KMEM_TEST5_ID 0x0105 +#define SPLAT_KMEM_TEST5_NAME "slab_small" +#define SPLAT_KMEM_TEST5_DESC "Slab ctor/dtor test (small)" + +#define SPLAT_KMEM_TEST6_ID 0x0106 +#define SPLAT_KMEM_TEST6_NAME "slab_large" +#define SPLAT_KMEM_TEST6_DESC "Slab ctor/dtor test (large)" + +#define SPLAT_KMEM_TEST7_ID 0x0107 +#define SPLAT_KMEM_TEST7_NAME "slab_align" +#define SPLAT_KMEM_TEST7_DESC "Slab alignment test" + +#define SPLAT_KMEM_TEST8_ID 0x0108 +#define SPLAT_KMEM_TEST8_NAME "slab_reap" +#define SPLAT_KMEM_TEST8_DESC "Slab reaping test" + +#define SPLAT_KMEM_TEST9_ID 0x0109 +#define SPLAT_KMEM_TEST9_NAME "slab_age" +#define SPLAT_KMEM_TEST9_DESC "Slab aging test" + +#define SPLAT_KMEM_TEST10_ID 0x010a +#define SPLAT_KMEM_TEST10_NAME "slab_lock" +#define SPLAT_KMEM_TEST10_DESC "Slab locking test" + +#if 0 +#define SPLAT_KMEM_TEST11_ID 0x010b +#define SPLAT_KMEM_TEST11_NAME "slab_overcommit" +#define SPLAT_KMEM_TEST11_DESC "Slab memory overcommit test" +#endif + +#define SPLAT_KMEM_TEST13_ID 0x010d +#define SPLAT_KMEM_TEST13_NAME "slab_reclaim" +#define SPLAT_KMEM_TEST13_DESC "Slab direct memory reclaim test" + +#define SPLAT_KMEM_ALLOC_COUNT 10 +#define SPLAT_VMEM_ALLOC_COUNT 10 + + +static int +splat_kmem_test1(struct file *file, void *arg) +{ + void *ptr[SPLAT_KMEM_ALLOC_COUNT]; + int size = PAGE_SIZE; + int i, count, rc = 0; + + while ((!rc) && (size <= spl_kmem_alloc_warn)) { + count = 0; + + for (i = 0; i < SPLAT_KMEM_ALLOC_COUNT; i++) { + ptr[i] = kmem_alloc(size, KM_SLEEP); + if (ptr[i]) + count++; + } + + for (i = 0; i < SPLAT_KMEM_ALLOC_COUNT; i++) + if (ptr[i]) + kmem_free(ptr[i], size); + + splat_vprint(file, SPLAT_KMEM_TEST1_NAME, + "%d byte allocations, %d/%d successful\n", + size, count, SPLAT_KMEM_ALLOC_COUNT); + if (count != SPLAT_KMEM_ALLOC_COUNT) + rc = -ENOMEM; + + size *= 2; + } + + return rc; +} + +static int +splat_kmem_test2(struct file *file, void *arg) +{ + void *ptr[SPLAT_KMEM_ALLOC_COUNT]; + int size = PAGE_SIZE; + int i, j, count, rc = 0; + + while ((!rc) && (size <= spl_kmem_alloc_warn)) { + count = 0; + + for (i = 0; i < SPLAT_KMEM_ALLOC_COUNT; i++) { + ptr[i] = kmem_zalloc(size, KM_SLEEP); + if (ptr[i]) + count++; + } + + /* Ensure buffer has been zero filled */ + for (i = 0; i < SPLAT_KMEM_ALLOC_COUNT; i++) { + for (j = 0; j < size; j++) { + if (((char *)ptr[i])[j] != '\0') { + splat_vprint(file,SPLAT_KMEM_TEST2_NAME, + "%d-byte allocation was " + "not zeroed\n", size); + rc = -EFAULT; + } + } + } + + for (i = 0; i < SPLAT_KMEM_ALLOC_COUNT; i++) + if (ptr[i]) + kmem_free(ptr[i], size); + + splat_vprint(file, SPLAT_KMEM_TEST2_NAME, + "%d byte allocations, %d/%d successful\n", + size, count, SPLAT_KMEM_ALLOC_COUNT); + if (count != SPLAT_KMEM_ALLOC_COUNT) + rc = -ENOMEM; + + size *= 2; + } + + return rc; +} + +static int +splat_kmem_test3(struct file *file, void *arg) +{ + void *ptr[SPLAT_VMEM_ALLOC_COUNT]; + int size = PAGE_SIZE; + int i, count, rc = 0; + + /* + * Test up to 4x the maximum kmem_alloc() size to ensure both + * the kmem_alloc() and vmem_alloc() call paths are used. + */ + while ((!rc) && (size <= (4 * spl_kmem_alloc_max))) { + count = 0; + + for (i = 0; i < SPLAT_VMEM_ALLOC_COUNT; i++) { + ptr[i] = vmem_alloc(size, KM_SLEEP); + if (ptr[i]) + count++; + } + + for (i = 0; i < SPLAT_VMEM_ALLOC_COUNT; i++) + if (ptr[i]) + vmem_free(ptr[i], size); + + splat_vprint(file, SPLAT_KMEM_TEST3_NAME, + "%d byte allocations, %d/%d successful\n", + size, count, SPLAT_VMEM_ALLOC_COUNT); + if (count != SPLAT_VMEM_ALLOC_COUNT) + rc = -ENOMEM; + + size *= 2; + } + + return rc; +} + +static int +splat_kmem_test4(struct file *file, void *arg) +{ + void *ptr[SPLAT_VMEM_ALLOC_COUNT]; + int size = PAGE_SIZE; + int i, j, count, rc = 0; + + /* + * Test up to 4x the maximum kmem_zalloc() size to ensure both + * the kmem_zalloc() and vmem_zalloc() call paths are used. + */ + while ((!rc) && (size <= (4 * spl_kmem_alloc_max))) { + count = 0; + + for (i = 0; i < SPLAT_VMEM_ALLOC_COUNT; i++) { + ptr[i] = vmem_zalloc(size, KM_SLEEP); + if (ptr[i]) + count++; + } + + /* Ensure buffer has been zero filled */ + for (i = 0; i < SPLAT_VMEM_ALLOC_COUNT; i++) { + for (j = 0; j < size; j++) { + if (((char *)ptr[i])[j] != '\0') { + splat_vprint(file, SPLAT_KMEM_TEST4_NAME, + "%d-byte allocation was " + "not zeroed\n", size); + rc = -EFAULT; + } + } + } + + for (i = 0; i < SPLAT_VMEM_ALLOC_COUNT; i++) + if (ptr[i]) + vmem_free(ptr[i], size); + + splat_vprint(file, SPLAT_KMEM_TEST4_NAME, + "%d byte allocations, %d/%d successful\n", + size, count, SPLAT_VMEM_ALLOC_COUNT); + if (count != SPLAT_VMEM_ALLOC_COUNT) + rc = -ENOMEM; + + size *= 2; + } + + return rc; +} + +#define SPLAT_KMEM_TEST_MAGIC 0x004488CCUL +#define SPLAT_KMEM_CACHE_NAME "kmem_test" +#define SPLAT_KMEM_OBJ_COUNT 1024 +#define SPLAT_KMEM_OBJ_RECLAIM 32 /* objects */ +#define SPLAT_KMEM_THREADS 32 + +#define KCP_FLAG_READY 0x01 + +typedef struct kmem_cache_data { + unsigned long kcd_magic; + struct list_head kcd_node; + int kcd_flag; + char kcd_buf[0]; +} kmem_cache_data_t; + +typedef struct kmem_cache_thread { + spinlock_t kct_lock; + int kct_id; + struct list_head kct_list; +} kmem_cache_thread_t; + +typedef struct kmem_cache_priv { + unsigned long kcp_magic; + struct file *kcp_file; + kmem_cache_t *kcp_cache; + spinlock_t kcp_lock; + wait_queue_head_t kcp_ctl_waitq; + wait_queue_head_t kcp_thr_waitq; + int kcp_flags; + int kcp_kct_count; + kmem_cache_thread_t *kcp_kct[SPLAT_KMEM_THREADS]; + int kcp_size; + int kcp_align; + int kcp_count; + int kcp_alloc; + int kcp_rc; +} kmem_cache_priv_t; + +static kmem_cache_priv_t * +splat_kmem_cache_test_kcp_alloc(struct file *file, char *name, + int size, int align, int alloc) +{ + kmem_cache_priv_t *kcp; + + kcp = kmem_zalloc(sizeof(kmem_cache_priv_t), KM_SLEEP); + if (!kcp) + return NULL; + + kcp->kcp_magic = SPLAT_KMEM_TEST_MAGIC; + kcp->kcp_file = file; + kcp->kcp_cache = NULL; + spin_lock_init(&kcp->kcp_lock); + init_waitqueue_head(&kcp->kcp_ctl_waitq); + init_waitqueue_head(&kcp->kcp_thr_waitq); + kcp->kcp_flags = 0; + kcp->kcp_kct_count = -1; + kcp->kcp_size = size; + kcp->kcp_align = align; + kcp->kcp_count = 0; + kcp->kcp_alloc = alloc; + kcp->kcp_rc = 0; + + return kcp; +} + +static void +splat_kmem_cache_test_kcp_free(kmem_cache_priv_t *kcp) +{ + kmem_free(kcp, sizeof(kmem_cache_priv_t)); +} + +static kmem_cache_thread_t * +splat_kmem_cache_test_kct_alloc(kmem_cache_priv_t *kcp, int id) +{ + kmem_cache_thread_t *kct; + + ASSERT3S(id, <, SPLAT_KMEM_THREADS); + ASSERT(kcp->kcp_kct[id] == NULL); + + kct = kmem_zalloc(sizeof(kmem_cache_thread_t), KM_SLEEP); + if (!kct) + return NULL; + + spin_lock_init(&kct->kct_lock); + kct->kct_id = id; + INIT_LIST_HEAD(&kct->kct_list); + + spin_lock(&kcp->kcp_lock); + kcp->kcp_kct[id] = kct; + spin_unlock(&kcp->kcp_lock); + + return kct; +} + +static void +splat_kmem_cache_test_kct_free(kmem_cache_priv_t *kcp, + kmem_cache_thread_t *kct) +{ + spin_lock(&kcp->kcp_lock); + kcp->kcp_kct[kct->kct_id] = NULL; + spin_unlock(&kcp->kcp_lock); + + kmem_free(kct, sizeof(kmem_cache_thread_t)); +} + +static void +splat_kmem_cache_test_kcd_free(kmem_cache_priv_t *kcp, + kmem_cache_thread_t *kct) +{ + kmem_cache_data_t *kcd; + + spin_lock(&kct->kct_lock); + while (!list_empty(&kct->kct_list)) { + kcd = list_entry(kct->kct_list.next, + kmem_cache_data_t, kcd_node); + list_del(&kcd->kcd_node); + spin_unlock(&kct->kct_lock); + + kmem_cache_free(kcp->kcp_cache, kcd); + + spin_lock(&kct->kct_lock); + } + spin_unlock(&kct->kct_lock); +} + +static int +splat_kmem_cache_test_kcd_alloc(kmem_cache_priv_t *kcp, + kmem_cache_thread_t *kct, int count) +{ + kmem_cache_data_t *kcd; + int i; + + for (i = 0; i < count; i++) { + kcd = kmem_cache_alloc(kcp->kcp_cache, KM_SLEEP); + if (kcd == NULL) { + splat_kmem_cache_test_kcd_free(kcp, kct); + return -ENOMEM; + } + + spin_lock(&kct->kct_lock); + list_add_tail(&kcd->kcd_node, &kct->kct_list); + spin_unlock(&kct->kct_lock); + } + + return 0; +} + +static void +splat_kmem_cache_test_debug(struct file *file, char *name, + kmem_cache_priv_t *kcp) +{ + int j; + + splat_vprint(file, name, "%s cache objects %d", + kcp->kcp_cache->skc_name, kcp->kcp_count); + + if (kcp->kcp_cache->skc_flags & (KMC_KMEM | KMC_VMEM)) { + splat_vprint(file, name, ", slabs %u/%u objs %u/%u", + (unsigned)kcp->kcp_cache->skc_slab_alloc, + (unsigned)kcp->kcp_cache->skc_slab_total, + (unsigned)kcp->kcp_cache->skc_obj_alloc, + (unsigned)kcp->kcp_cache->skc_obj_total); + + if (!(kcp->kcp_cache->skc_flags & KMC_NOMAGAZINE)) { + splat_vprint(file, name, "%s", "mags"); + + for_each_online_cpu(j) + splat_print(file, "%u/%u ", + kcp->kcp_cache->skc_mag[j]->skm_avail, + kcp->kcp_cache->skc_mag[j]->skm_size); + } + } + + splat_print(file, "%s\n", ""); +} + +static int +splat_kmem_cache_test_constructor(void *ptr, void *priv, int flags) +{ + kmem_cache_priv_t *kcp = (kmem_cache_priv_t *)priv; + kmem_cache_data_t *kcd = (kmem_cache_data_t *)ptr; + + if (kcd && kcp) { + kcd->kcd_magic = kcp->kcp_magic; + INIT_LIST_HEAD(&kcd->kcd_node); + kcd->kcd_flag = 1; + memset(kcd->kcd_buf, 0xaa, kcp->kcp_size - (sizeof *kcd)); + kcp->kcp_count++; + } + + return 0; +} + +static void +splat_kmem_cache_test_destructor(void *ptr, void *priv) +{ + kmem_cache_priv_t *kcp = (kmem_cache_priv_t *)priv; + kmem_cache_data_t *kcd = (kmem_cache_data_t *)ptr; + + if (kcd && kcp) { + kcd->kcd_magic = 0; + kcd->kcd_flag = 0; + memset(kcd->kcd_buf, 0xbb, kcp->kcp_size - (sizeof *kcd)); + kcp->kcp_count--; + } + + return; +} + +/* + * Generic reclaim function which assumes that all objects may + * be reclaimed at any time. We free a small percentage of the + * objects linked off the kcp or kct[] every time we are called. + */ +static void +splat_kmem_cache_test_reclaim(void *priv) +{ + kmem_cache_priv_t *kcp = (kmem_cache_priv_t *)priv; + kmem_cache_thread_t *kct; + kmem_cache_data_t *kcd; + LIST_HEAD(reclaim); + int i, count; + + ASSERT(kcp->kcp_magic == SPLAT_KMEM_TEST_MAGIC); + + /* For each kct thread reclaim some objects */ + spin_lock(&kcp->kcp_lock); + for (i = 0; i < SPLAT_KMEM_THREADS; i++) { + kct = kcp->kcp_kct[i]; + if (!kct) + continue; + + spin_unlock(&kcp->kcp_lock); + spin_lock(&kct->kct_lock); + + count = SPLAT_KMEM_OBJ_RECLAIM; + while (count > 0 && !list_empty(&kct->kct_list)) { + kcd = list_entry(kct->kct_list.next, + kmem_cache_data_t, kcd_node); + list_del(&kcd->kcd_node); + list_add(&kcd->kcd_node, &reclaim); + count--; + } + + spin_unlock(&kct->kct_lock); + spin_lock(&kcp->kcp_lock); + } + spin_unlock(&kcp->kcp_lock); + + /* Freed outside the spin lock */ + while (!list_empty(&reclaim)) { + kcd = list_entry(reclaim.next, kmem_cache_data_t, kcd_node); + list_del(&kcd->kcd_node); + kmem_cache_free(kcp->kcp_cache, kcd); + } + + return; +} + +static int +splat_kmem_cache_test_threads(kmem_cache_priv_t *kcp, int threads) +{ + int rc; + + spin_lock(&kcp->kcp_lock); + rc = (kcp->kcp_kct_count == threads); + spin_unlock(&kcp->kcp_lock); + + return rc; +} + +static int +splat_kmem_cache_test_flags(kmem_cache_priv_t *kcp, int flags) +{ + int rc; + + spin_lock(&kcp->kcp_lock); + rc = (kcp->kcp_flags & flags); + spin_unlock(&kcp->kcp_lock); + + return rc; +} + +static void +splat_kmem_cache_test_thread(void *arg) +{ + kmem_cache_priv_t *kcp = (kmem_cache_priv_t *)arg; + kmem_cache_thread_t *kct; + int rc = 0, id; + + ASSERT(kcp->kcp_magic == SPLAT_KMEM_TEST_MAGIC); + + /* Assign thread ids */ + spin_lock(&kcp->kcp_lock); + if (kcp->kcp_kct_count == -1) + kcp->kcp_kct_count = 0; + + id = kcp->kcp_kct_count; + kcp->kcp_kct_count++; + spin_unlock(&kcp->kcp_lock); + + kct = splat_kmem_cache_test_kct_alloc(kcp, id); + if (!kct) { + rc = -ENOMEM; + goto out; + } + + /* Wait for all threads to have started and report they are ready */ + if (kcp->kcp_kct_count == SPLAT_KMEM_THREADS) + wake_up(&kcp->kcp_ctl_waitq); + + wait_event(kcp->kcp_thr_waitq, + splat_kmem_cache_test_flags(kcp, KCP_FLAG_READY)); + + /* Create and destroy objects */ + rc = splat_kmem_cache_test_kcd_alloc(kcp, kct, kcp->kcp_alloc); + splat_kmem_cache_test_kcd_free(kcp, kct); +out: + if (kct) + splat_kmem_cache_test_kct_free(kcp, kct); + + spin_lock(&kcp->kcp_lock); + if (!kcp->kcp_rc) + kcp->kcp_rc = rc; + + if ((--kcp->kcp_kct_count) == 0) + wake_up(&kcp->kcp_ctl_waitq); + + spin_unlock(&kcp->kcp_lock); + + thread_exit(); +} + +static int +splat_kmem_cache_test(struct file *file, void *arg, char *name, + int size, int align, int flags) +{ + kmem_cache_priv_t *kcp = NULL; + kmem_cache_data_t **kcd = NULL; + int i, rc = 0, objs = 0; + + splat_vprint(file, name, + "Testing size=%d, align=%d, flags=0x%04x\n", + size, align, flags); + + kcp = splat_kmem_cache_test_kcp_alloc(file, name, size, align, 0); + if (!kcp) { + splat_vprint(file, name, "Unable to create '%s'\n", "kcp"); + return (-ENOMEM); + } + + kcp->kcp_cache = kmem_cache_create(SPLAT_KMEM_CACHE_NAME, + kcp->kcp_size, kcp->kcp_align, + splat_kmem_cache_test_constructor, + splat_kmem_cache_test_destructor, + NULL, kcp, NULL, flags); + if (kcp->kcp_cache == NULL) { + splat_vprint(file, name, "Unable to create " + "name='%s', size=%d, align=%d, flags=0x%x\n", + SPLAT_KMEM_CACHE_NAME, size, align, flags); + rc = -ENOMEM; + goto out_free; + } + + /* + * Allocate several slabs worth of objects to verify functionality. + * However, on 32-bit systems with limited address space constrain + * it to a single slab for the purposes of this test. + */ +#ifdef _LP64 + objs = SPL_KMEM_CACHE_OBJ_PER_SLAB * 4; +#else + objs = 1; +#endif + kcd = kmem_zalloc(sizeof (kmem_cache_data_t *) * objs, KM_SLEEP); + if (kcd == NULL) { + splat_vprint(file, name, "Unable to allocate pointers " + "for %d objects\n", objs); + rc = -ENOMEM; + goto out_free; + } + + for (i = 0; i < objs; i++) { + kcd[i] = kmem_cache_alloc(kcp->kcp_cache, KM_SLEEP); + if (kcd[i] == NULL) { + splat_vprint(file, name, "Unable to allocate " + "from '%s'\n", SPLAT_KMEM_CACHE_NAME); + rc = -EINVAL; + goto out_free; + } + + if (!kcd[i]->kcd_flag) { + splat_vprint(file, name, "Failed to run constructor " + "for '%s'\n", SPLAT_KMEM_CACHE_NAME); + rc = -EINVAL; + goto out_free; + } + + if (kcd[i]->kcd_magic != kcp->kcp_magic) { + splat_vprint(file, name, + "Failed to pass private data to constructor " + "for '%s'\n", SPLAT_KMEM_CACHE_NAME); + rc = -EINVAL; + goto out_free; + } + } + + for (i = 0; i < objs; i++) { + kmem_cache_free(kcp->kcp_cache, kcd[i]); + + /* Destructors are run for every kmem_cache_free() */ + if (kcd[i]->kcd_flag) { + splat_vprint(file, name, + "Failed to run destructor for '%s'\n", + SPLAT_KMEM_CACHE_NAME); + rc = -EINVAL; + goto out_free; + } + } + + if (kcp->kcp_count) { + splat_vprint(file, name, + "Failed to run destructor on all slab objects for '%s'\n", + SPLAT_KMEM_CACHE_NAME); + rc = -EINVAL; + } + + kmem_free(kcd, sizeof (kmem_cache_data_t *) * objs); + kmem_cache_destroy(kcp->kcp_cache); + + splat_kmem_cache_test_kcp_free(kcp); + splat_vprint(file, name, + "Success ran alloc'd/free'd %d objects of size %d\n", + objs, size); + + return (rc); + +out_free: + if (kcd) { + for (i = 0; i < objs; i++) { + if (kcd[i] != NULL) + kmem_cache_free(kcp->kcp_cache, kcd[i]); + } + + kmem_free(kcd, sizeof (kmem_cache_data_t *) * objs); + } + + if (kcp->kcp_cache) + kmem_cache_destroy(kcp->kcp_cache); + + splat_kmem_cache_test_kcp_free(kcp); + + return (rc); +} + +static int +splat_kmem_cache_thread_test(struct file *file, void *arg, char *name, + int size, int alloc, int max_time) +{ + kmem_cache_priv_t *kcp; + kthread_t *thr; + struct timespec start, stop, delta; + char cache_name[32]; + int i, rc = 0; + + kcp = splat_kmem_cache_test_kcp_alloc(file, name, size, 0, alloc); + if (!kcp) { + splat_vprint(file, name, "Unable to create '%s'\n", "kcp"); + return -ENOMEM; + } + + (void)snprintf(cache_name, 32, "%s-%d-%d", + SPLAT_KMEM_CACHE_NAME, size, alloc); + kcp->kcp_cache = + kmem_cache_create(cache_name, kcp->kcp_size, 0, + splat_kmem_cache_test_constructor, + splat_kmem_cache_test_destructor, + splat_kmem_cache_test_reclaim, + kcp, NULL, 0); + if (!kcp->kcp_cache) { + splat_vprint(file, name, "Unable to create '%s'\n", cache_name); + rc = -ENOMEM; + goto out_kcp; + } + + getnstimeofday(&start); + + for (i = 0; i < SPLAT_KMEM_THREADS; i++) { + thr = thread_create(NULL, 0, + splat_kmem_cache_test_thread, + kcp, 0, &p0, TS_RUN, defclsyspri); + if (thr == NULL) { + rc = -ESRCH; + goto out_cache; + } + } + + /* Sleep until all threads have started, then set the ready + * flag and wake them all up for maximum concurrency. */ + wait_event(kcp->kcp_ctl_waitq, + splat_kmem_cache_test_threads(kcp, SPLAT_KMEM_THREADS)); + + spin_lock(&kcp->kcp_lock); + kcp->kcp_flags |= KCP_FLAG_READY; + spin_unlock(&kcp->kcp_lock); + wake_up_all(&kcp->kcp_thr_waitq); + + /* Sleep until all thread have finished */ + wait_event(kcp->kcp_ctl_waitq, splat_kmem_cache_test_threads(kcp, 0)); + + getnstimeofday(&stop); + delta = timespec_sub(stop, start); + + splat_vprint(file, name, + "%-22s %2ld.%09ld\t" + "%lu/%lu/%lu\t%lu/%lu/%lu\n", + kcp->kcp_cache->skc_name, + delta.tv_sec, delta.tv_nsec, + (unsigned long)kcp->kcp_cache->skc_slab_total, + (unsigned long)kcp->kcp_cache->skc_slab_max, + (unsigned long)(kcp->kcp_alloc * + SPLAT_KMEM_THREADS / + SPL_KMEM_CACHE_OBJ_PER_SLAB), + (unsigned long)kcp->kcp_cache->skc_obj_total, + (unsigned long)kcp->kcp_cache->skc_obj_max, + (unsigned long)(kcp->kcp_alloc * + SPLAT_KMEM_THREADS)); + + if (delta.tv_sec >= max_time) + rc = -ETIME; + + if (!rc && kcp->kcp_rc) + rc = kcp->kcp_rc; + +out_cache: + kmem_cache_destroy(kcp->kcp_cache); +out_kcp: + splat_kmem_cache_test_kcp_free(kcp); + return rc; +} + +/* Validate small object cache behavior for dynamic/kmem/vmem caches */ +static int +splat_kmem_test5(struct file *file, void *arg) +{ + char *name = SPLAT_KMEM_TEST5_NAME; + int i, rc = 0; + + /* Randomly pick small object sizes and alignments. */ + for (i = 0; i < 100; i++) { + int size, align, flags = 0; + uint32_t rnd; + + /* Evenly distribute tests over all value cache types */ + get_random_bytes((void *)&rnd, sizeof (uint32_t)); + switch (rnd & 0x03) { + default: + case 0x00: + flags = 0; + break; + case 0x01: + flags = KMC_KMEM; + break; + case 0x02: + flags = KMC_VMEM; + break; + case 0x03: + flags = KMC_SLAB; + break; + } + + /* The following flags are set with a 1/10 chance */ + flags |= ((((rnd >> 8) % 10) == 0) ? KMC_OFFSLAB : 0); + flags |= ((((rnd >> 16) % 10) == 0) ? KMC_NOEMERGENCY : 0); + + /* 32b - PAGE_SIZE */ + get_random_bytes((void *)&rnd, sizeof (uint32_t)); + size = MAX(rnd % (PAGE_SIZE + 1), 32); + + /* 2^N where (3 <= N <= PAGE_SHIFT) */ + get_random_bytes((void *)&rnd, sizeof (uint32_t)); + align = (1 << MAX(3, rnd % (PAGE_SHIFT + 1))); + + rc = splat_kmem_cache_test(file, arg, name, size, align, flags); + if (rc) + return (rc); + } + + return (rc); +} + +/* + * Validate large object cache behavior for dynamic/kmem/vmem caches + */ +static int +splat_kmem_test6(struct file *file, void *arg) +{ + char *name = SPLAT_KMEM_TEST6_NAME; + int i, max_size, rc = 0; + + /* Randomly pick large object sizes and alignments. */ + for (i = 0; i < 100; i++) { + int size, align, flags = 0; + uint32_t rnd; + + /* Evenly distribute tests over all value cache types */ + get_random_bytes((void *)&rnd, sizeof (uint32_t)); + switch (rnd & 0x03) { + default: + case 0x00: + flags = 0; + max_size = (SPL_KMEM_CACHE_MAX_SIZE * 1024 * 1024) / 2; + break; + case 0x01: + flags = KMC_KMEM; + max_size = (SPL_MAX_ORDER_NR_PAGES - 2) * PAGE_SIZE; + break; + case 0x02: + flags = KMC_VMEM; + max_size = (SPL_KMEM_CACHE_MAX_SIZE * 1024 * 1024) / 2; + break; + case 0x03: + flags = KMC_SLAB; + max_size = SPL_MAX_KMEM_ORDER_NR_PAGES * PAGE_SIZE; + break; + } + + /* The following flags are set with a 1/10 chance */ + flags |= ((((rnd >> 8) % 10) == 0) ? KMC_OFFSLAB : 0); + flags |= ((((rnd >> 16) % 10) == 0) ? KMC_NOEMERGENCY : 0); + + /* PAGE_SIZE - max_size */ + get_random_bytes((void *)&rnd, sizeof (uint32_t)); + size = MAX(rnd % (max_size + 1), PAGE_SIZE), + + /* 2^N where (3 <= N <= PAGE_SHIFT) */ + get_random_bytes((void *)&rnd, sizeof (uint32_t)); + align = (1 << MAX(3, rnd % (PAGE_SHIFT + 1))); + + rc = splat_kmem_cache_test(file, arg, name, size, align, flags); + if (rc) + return (rc); + } + + return (rc); +} + +/* + * Validate object alignment cache behavior for caches + */ +static int +splat_kmem_test7(struct file *file, void *arg) +{ + char *name = SPLAT_KMEM_TEST7_NAME; + int max_size = (SPL_KMEM_CACHE_MAX_SIZE * 1024 * 1024) / 2; + int i, rc; + + for (i = SPL_KMEM_CACHE_ALIGN; i <= PAGE_SIZE; i *= 2) { + uint32_t size; + + get_random_bytes((void *)&size, sizeof (uint32_t)); + size = MAX(size % (max_size + 1), 32); + + rc = splat_kmem_cache_test(file, arg, name, size, i, 0); + if (rc) + return rc; + + rc = splat_kmem_cache_test(file, arg, name, size, i, + KMC_OFFSLAB); + if (rc) + return rc; + } + + return rc; +} + +/* + * Validate kmem_cache_reap() by requesting the slab cache free any objects + * it can. For a few reasons this may not immediately result in more free + * memory even if objects are freed. First off, due to fragmentation we + * may not be able to reclaim any slabs. Secondly, even if we do we fully + * clear some slabs we will not want to immediately reclaim all of them + * because we may contend with cache allocations and thrash. What we want + * to see is the slab size decrease more gradually as it becomes clear they + * will not be needed. This should be achievable in less than a minute. + * If it takes longer than this something has gone wrong. + */ +static int +splat_kmem_test8(struct file *file, void *arg) +{ + kmem_cache_priv_t *kcp; + kmem_cache_thread_t *kct; + unsigned int spl_kmem_cache_expire_old; + int i, rc = 0; + + /* Enable cache aging just for this test if it is disabled */ + spl_kmem_cache_expire_old = spl_kmem_cache_expire; + spl_kmem_cache_expire = KMC_EXPIRE_AGE; + + kcp = splat_kmem_cache_test_kcp_alloc(file, SPLAT_KMEM_TEST8_NAME, + 256, 0, 0); + if (!kcp) { + splat_vprint(file, SPLAT_KMEM_TEST8_NAME, + "Unable to create '%s'\n", "kcp"); + rc = -ENOMEM; + goto out; + } + + kcp->kcp_cache = + kmem_cache_create(SPLAT_KMEM_CACHE_NAME, kcp->kcp_size, 0, + splat_kmem_cache_test_constructor, + splat_kmem_cache_test_destructor, + splat_kmem_cache_test_reclaim, + kcp, NULL, 0); + if (!kcp->kcp_cache) { + splat_vprint(file, SPLAT_KMEM_TEST8_NAME, + "Unable to create '%s'\n", SPLAT_KMEM_CACHE_NAME); + rc = -ENOMEM; + goto out_kcp; + } + + kct = splat_kmem_cache_test_kct_alloc(kcp, 0); + if (!kct) { + splat_vprint(file, SPLAT_KMEM_TEST8_NAME, + "Unable to create '%s'\n", "kct"); + rc = -ENOMEM; + goto out_cache; + } + + rc = splat_kmem_cache_test_kcd_alloc(kcp, kct, SPLAT_KMEM_OBJ_COUNT); + if (rc) { + splat_vprint(file, SPLAT_KMEM_TEST8_NAME, "Unable to " + "allocate from '%s'\n", SPLAT_KMEM_CACHE_NAME); + goto out_kct; + } + + /* Force reclaim every 1/10 a second for 60 seconds. */ + for (i = 0; i < 600; i++) { + kmem_cache_reap_now(kcp->kcp_cache); + splat_kmem_cache_test_debug(file, SPLAT_KMEM_TEST8_NAME, kcp); + + if (kcp->kcp_count == 0) + break; + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ / 10); + } + + if (kcp->kcp_count == 0) { + splat_vprint(file, SPLAT_KMEM_TEST8_NAME, + "Successfully created %d objects " + "in cache %s and reclaimed them\n", + SPLAT_KMEM_OBJ_COUNT, SPLAT_KMEM_CACHE_NAME); + } else { + splat_vprint(file, SPLAT_KMEM_TEST8_NAME, + "Failed to reclaim %u/%d objects from cache %s\n", + (unsigned)kcp->kcp_count, + SPLAT_KMEM_OBJ_COUNT, SPLAT_KMEM_CACHE_NAME); + rc = -ENOMEM; + } + + /* Cleanup our mess (for failure case of time expiring) */ + splat_kmem_cache_test_kcd_free(kcp, kct); +out_kct: + splat_kmem_cache_test_kct_free(kcp, kct); +out_cache: + kmem_cache_destroy(kcp->kcp_cache); +out_kcp: + splat_kmem_cache_test_kcp_free(kcp); +out: + spl_kmem_cache_expire = spl_kmem_cache_expire_old; + + return rc; +} + +/* Test cache aging, we have allocated a large number of objects thus + * creating a large number of slabs and then free'd them all. However, + * since there should be little memory pressure at the moment those + * slabs have not been freed. What we want to see is the slab size + * decrease gradually as it becomes clear they will not be be needed. + * This should be achievable in less than minute. If it takes longer + * than this something has gone wrong. + */ +static int +splat_kmem_test9(struct file *file, void *arg) +{ + kmem_cache_priv_t *kcp; + kmem_cache_thread_t *kct; + unsigned int spl_kmem_cache_expire_old; + int i, rc = 0, count = SPLAT_KMEM_OBJ_COUNT * 128; + + /* Enable cache aging just for this test if it is disabled */ + spl_kmem_cache_expire_old = spl_kmem_cache_expire; + spl_kmem_cache_expire = KMC_EXPIRE_AGE; + + kcp = splat_kmem_cache_test_kcp_alloc(file, SPLAT_KMEM_TEST9_NAME, + 256, 0, 0); + if (!kcp) { + splat_vprint(file, SPLAT_KMEM_TEST9_NAME, + "Unable to create '%s'\n", "kcp"); + rc = -ENOMEM; + goto out; + } + + kcp->kcp_cache = + kmem_cache_create(SPLAT_KMEM_CACHE_NAME, kcp->kcp_size, 0, + splat_kmem_cache_test_constructor, + splat_kmem_cache_test_destructor, + NULL, kcp, NULL, 0); + if (!kcp->kcp_cache) { + splat_vprint(file, SPLAT_KMEM_TEST9_NAME, + "Unable to create '%s'\n", SPLAT_KMEM_CACHE_NAME); + rc = -ENOMEM; + goto out_kcp; + } + + kct = splat_kmem_cache_test_kct_alloc(kcp, 0); + if (!kct) { + splat_vprint(file, SPLAT_KMEM_TEST8_NAME, + "Unable to create '%s'\n", "kct"); + rc = -ENOMEM; + goto out_cache; + } + + rc = splat_kmem_cache_test_kcd_alloc(kcp, kct, count); + if (rc) { + splat_vprint(file, SPLAT_KMEM_TEST9_NAME, "Unable to " + "allocate from '%s'\n", SPLAT_KMEM_CACHE_NAME); + goto out_kct; + } + + splat_kmem_cache_test_kcd_free(kcp, kct); + + for (i = 0; i < 60; i++) { + splat_kmem_cache_test_debug(file, SPLAT_KMEM_TEST9_NAME, kcp); + + if (kcp->kcp_count == 0) + break; + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ); + } + + if (kcp->kcp_count == 0) { + splat_vprint(file, SPLAT_KMEM_TEST9_NAME, + "Successfully created %d objects " + "in cache %s and reclaimed them\n", + count, SPLAT_KMEM_CACHE_NAME); + } else { + splat_vprint(file, SPLAT_KMEM_TEST9_NAME, + "Failed to reclaim %u/%d objects from cache %s\n", + (unsigned)kcp->kcp_count, count, + SPLAT_KMEM_CACHE_NAME); + rc = -ENOMEM; + } + +out_kct: + splat_kmem_cache_test_kct_free(kcp, kct); +out_cache: + kmem_cache_destroy(kcp->kcp_cache); +out_kcp: + splat_kmem_cache_test_kcp_free(kcp); +out: + spl_kmem_cache_expire = spl_kmem_cache_expire_old; + + return rc; +} + +/* + * This test creates N threads with a shared kmem cache. They then all + * concurrently allocate and free from the cache to stress the locking and + * concurrent cache performance. If any one test takes longer than 5 + * seconds to complete it is treated as a failure and may indicate a + * performance regression. On my test system no one test takes more + * than 1 second to complete so a 5x slowdown likely a problem. + */ +static int +splat_kmem_test10(struct file *file, void *arg) +{ + uint64_t size, alloc, rc = 0; + + for (size = 32; size <= 1024*1024; size *= 2) { + + splat_vprint(file, SPLAT_KMEM_TEST10_NAME, "%-22s %s", "name", + "time (sec)\tslabs \tobjs \thash\n"); + splat_vprint(file, SPLAT_KMEM_TEST10_NAME, "%-22s %s", "", + " \ttot/max/calc\ttot/max/calc\n"); + + for (alloc = 1; alloc <= 1024; alloc *= 2) { + + /* Skip tests which exceed 1/2 of physical memory. */ + if (size * alloc * SPLAT_KMEM_THREADS > physmem / 2) + continue; + + rc = splat_kmem_cache_thread_test(file, arg, + SPLAT_KMEM_TEST10_NAME, size, alloc, 5); + if (rc) + break; + } + } + + return rc; +} + +#if 0 +/* + * This test creates N threads with a shared kmem cache which overcommits + * memory by 4x. This makes it impossible for the slab to satify the + * thread requirements without having its reclaim hook run which will + * free objects back for use. This behavior is triggered by the linum VM + * detecting a low memory condition on the node and invoking the shrinkers. + * This should allow all the threads to complete while avoiding deadlock + * and for the most part out of memory events. This is very tough on the + * system so it is possible the test app may get oom'ed. This particular + * test has proven troublesome on 32-bit archs with limited virtual + * address space so it only run on 64-bit systems. + */ +static int +splat_kmem_test11(struct file *file, void *arg) +{ + uint64_t size, alloc, rc; + + size = 8 * 1024; + alloc = ((4 * physmem * PAGE_SIZE) / size) / SPLAT_KMEM_THREADS; + + splat_vprint(file, SPLAT_KMEM_TEST11_NAME, "%-22s %s", "name", + "time (sec)\tslabs \tobjs \thash\n"); + splat_vprint(file, SPLAT_KMEM_TEST11_NAME, "%-22s %s", "", + " \ttot/max/calc\ttot/max/calc\n"); + + rc = splat_kmem_cache_thread_test(file, arg, + SPLAT_KMEM_TEST11_NAME, size, alloc, 60); + + return rc; +} +#endif + +typedef struct dummy_page { + struct list_head dp_list; + char dp_pad[PAGE_SIZE - sizeof(struct list_head)]; +} dummy_page_t; + +/* + * This test is designed to verify that direct reclaim is functioning as + * expected. We allocate a large number of objects thus creating a large + * number of slabs. We then apply memory pressure and expect that the + * direct reclaim path can easily recover those slabs. The registered + * reclaim function will free the objects and the slab shrinker will call + * it repeatedly until at least a single slab can be freed. + * + * Note it may not be possible to reclaim every last slab via direct reclaim + * without a failure because the shrinker_rwsem may be contended. For this + * reason, quickly reclaiming 3/4 of the slabs is considered a success. + * + * This should all be possible within 10 seconds. For reference, on a + * system with 2G of memory this test takes roughly 0.2 seconds to run. + * It may take longer on larger memory systems but should still easily + * complete in the alloted 10 seconds. + */ +static int +splat_kmem_test13(struct file *file, void *arg) +{ + kmem_cache_priv_t *kcp; + kmem_cache_thread_t *kct; + dummy_page_t *dp; + struct list_head list; + struct timespec start, stop, delta = { 0, 0 }; + int size, count, slabs, fails = 0; + int i, rc = 0, max_time = 10; + + size = 128 * 1024; + count = ((physmem * PAGE_SIZE) / 4 / size); + + kcp = splat_kmem_cache_test_kcp_alloc(file, SPLAT_KMEM_TEST13_NAME, + size, 0, 0); + if (!kcp) { + splat_vprint(file, SPLAT_KMEM_TEST13_NAME, + "Unable to create '%s'\n", "kcp"); + rc = -ENOMEM; + goto out; + } + + kcp->kcp_cache = + kmem_cache_create(SPLAT_KMEM_CACHE_NAME, kcp->kcp_size, 0, + splat_kmem_cache_test_constructor, + splat_kmem_cache_test_destructor, + splat_kmem_cache_test_reclaim, + kcp, NULL, 0); + if (!kcp->kcp_cache) { + splat_vprint(file, SPLAT_KMEM_TEST13_NAME, + "Unable to create '%s'\n", SPLAT_KMEM_CACHE_NAME); + rc = -ENOMEM; + goto out_kcp; + } + + kct = splat_kmem_cache_test_kct_alloc(kcp, 0); + if (!kct) { + splat_vprint(file, SPLAT_KMEM_TEST13_NAME, + "Unable to create '%s'\n", "kct"); + rc = -ENOMEM; + goto out_cache; + } + + rc = splat_kmem_cache_test_kcd_alloc(kcp, kct, count); + if (rc) { + splat_vprint(file, SPLAT_KMEM_TEST13_NAME, "Unable to " + "allocate from '%s'\n", SPLAT_KMEM_CACHE_NAME); + goto out_kct; + } + + i = 0; + slabs = kcp->kcp_cache->skc_slab_total; + INIT_LIST_HEAD(&list); + getnstimeofday(&start); + + /* Apply memory pressure */ + while (kcp->kcp_cache->skc_slab_total > (slabs >> 2)) { + + if ((i % 10000) == 0) + splat_kmem_cache_test_debug( + file, SPLAT_KMEM_TEST13_NAME, kcp); + + getnstimeofday(&stop); + delta = timespec_sub(stop, start); + if (delta.tv_sec >= max_time) { + splat_vprint(file, SPLAT_KMEM_TEST13_NAME, + "Failed to reclaim 3/4 of cache in %ds, " + "%u/%u slabs remain\n", max_time, + (unsigned)kcp->kcp_cache->skc_slab_total, + slabs); + rc = -ETIME; + break; + } + + dp = (dummy_page_t *)__get_free_page(GFP_KERNEL); + if (!dp) { + fails++; + splat_vprint(file, SPLAT_KMEM_TEST13_NAME, + "Failed (%d) to allocate page with %u " + "slabs still in the cache\n", fails, + (unsigned)kcp->kcp_cache->skc_slab_total); + continue; + } + + list_add(&dp->dp_list, &list); + i++; + } + + if (rc == 0) + splat_vprint(file, SPLAT_KMEM_TEST13_NAME, + "Successfully created %u slabs and with %d alloc " + "failures reclaimed 3/4 of them in %d.%03ds\n", + slabs, fails, + (int)delta.tv_sec, (int)delta.tv_nsec / 1000000); + + /* Release memory pressure pages */ + while (!list_empty(&list)) { + dp = list_entry(list.next, dummy_page_t, dp_list); + list_del_init(&dp->dp_list); + free_page((unsigned long)dp); + } + + /* Release remaining kmem cache objects */ + splat_kmem_cache_test_kcd_free(kcp, kct); +out_kct: + splat_kmem_cache_test_kct_free(kcp, kct); +out_cache: + kmem_cache_destroy(kcp->kcp_cache); +out_kcp: + splat_kmem_cache_test_kcp_free(kcp); +out: + return rc; +} + +splat_subsystem_t * +splat_kmem_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_KMEM_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_KMEM_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_KMEM; + + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST1_NAME, SPLAT_KMEM_TEST1_DESC, + SPLAT_KMEM_TEST1_ID, splat_kmem_test1); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST2_NAME, SPLAT_KMEM_TEST2_DESC, + SPLAT_KMEM_TEST2_ID, splat_kmem_test2); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST3_NAME, SPLAT_KMEM_TEST3_DESC, + SPLAT_KMEM_TEST3_ID, splat_kmem_test3); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST4_NAME, SPLAT_KMEM_TEST4_DESC, + SPLAT_KMEM_TEST4_ID, splat_kmem_test4); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST5_NAME, SPLAT_KMEM_TEST5_DESC, + SPLAT_KMEM_TEST5_ID, splat_kmem_test5); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST6_NAME, SPLAT_KMEM_TEST6_DESC, + SPLAT_KMEM_TEST6_ID, splat_kmem_test6); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST7_NAME, SPLAT_KMEM_TEST7_DESC, + SPLAT_KMEM_TEST7_ID, splat_kmem_test7); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST8_NAME, SPLAT_KMEM_TEST8_DESC, + SPLAT_KMEM_TEST8_ID, splat_kmem_test8); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST9_NAME, SPLAT_KMEM_TEST9_DESC, + SPLAT_KMEM_TEST9_ID, splat_kmem_test9); + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST10_NAME, SPLAT_KMEM_TEST10_DESC, + SPLAT_KMEM_TEST10_ID, splat_kmem_test10); +#if 0 + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST11_NAME, SPLAT_KMEM_TEST11_DESC, + SPLAT_KMEM_TEST11_ID, splat_kmem_test11); +#endif + SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST13_NAME, SPLAT_KMEM_TEST13_DESC, + SPLAT_KMEM_TEST13_ID, splat_kmem_test13); + + return sub; +} + +void +splat_kmem_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST13_ID); +#if 0 + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST11_ID); +#endif + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST10_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST9_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST8_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST7_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST6_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST5_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST4_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST1_ID); + + kfree(sub); +} + +int +splat_kmem_id(void) { + return SPLAT_SUBSYSTEM_KMEM; +} diff --git a/spl/module/splat/splat-kobj.c b/spl/module/splat/splat-kobj.c new file mode 100644 index 000000000000..a0d4097d5943 --- /dev/null +++ b/spl/module/splat/splat-kobj.c @@ -0,0 +1,166 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Kobj Tests. +\*****************************************************************************/ + +#include +#include "splat-internal.h" + +#define SPLAT_KOBJ_NAME "kobj" +#define SPLAT_KOBJ_DESC "Kernel Kobj Tests" + +#define SPLAT_KOBJ_TEST1_ID 0x0a01 +#define SPLAT_KOBJ_TEST1_NAME "open" +#define SPLAT_KOBJ_TEST1_DESC "Kobj Open/Close Test" + +#define SPLAT_KOBJ_TEST2_ID 0x0a02 +#define SPLAT_KOBJ_TEST2_NAME "size/read" +#define SPLAT_KOBJ_TEST2_DESC "Kobj Size/Read Test" + +#define SPLAT_KOBJ_TEST_FILE "/etc/fstab" + +static int +splat_kobj_test1(struct file *file, void *arg) +{ + struct _buf *f; + + f = kobj_open_file(SPLAT_KOBJ_TEST_FILE); + if (f == (struct _buf *)-1) { + splat_vprint(file, SPLAT_KOBJ_TEST1_NAME, "Failed to open " + "test file: %s\n", SPLAT_KOBJ_TEST_FILE); + return -ENOENT; + } + + kobj_close_file(f); + splat_vprint(file, SPLAT_KOBJ_TEST1_NAME, "Successfully opened and " + "closed test file: %s\n", SPLAT_KOBJ_TEST_FILE); + + return 0; +} /* splat_kobj_test1() */ + +static int +splat_kobj_test2(struct file *file, void *arg) +{ + struct _buf *f; + char *buf; + uint64_t size; + int rc; + + f = kobj_open_file(SPLAT_KOBJ_TEST_FILE); + if (f == (struct _buf *)-1) { + splat_vprint(file, SPLAT_KOBJ_TEST2_NAME, "Failed to open " + "test file: %s\n", SPLAT_KOBJ_TEST_FILE); + return -ENOENT; + } + + rc = kobj_get_filesize(f, &size); + if (rc) { + splat_vprint(file, SPLAT_KOBJ_TEST2_NAME, "Failed stat of " + "test file: %s (%d)\n", SPLAT_KOBJ_TEST_FILE, rc); + goto out; + } + + buf = kmalloc(size + 1, GFP_KERNEL); + if (!buf) { + rc = -ENOMEM; + splat_vprint(file, SPLAT_KOBJ_TEST2_NAME, "Failed to alloc " + "%lld bytes for tmp buffer (%d)\n", + (long long)size, rc); + goto out; + } + + memset(buf, 0, size + 1); + rc = kobj_read_file(f, buf, size, 0); + if (rc < 0) { + splat_vprint(file, SPLAT_KOBJ_TEST2_NAME, "Failed read of " + "test file: %s (%d)\n", SPLAT_KOBJ_TEST_FILE, rc); + goto out2; + } + + /* Validate we read as many bytes as expected based on the stat. This + * isn't a perfect test since we didn't create the file however it is + * pretty unlikely there are garbage characters in your /etc/fstab */ + if (size != (uint64_t)strlen(buf)) { + rc = -EFBIG; + splat_vprint(file, SPLAT_KOBJ_TEST2_NAME, "Stat'ed size " + "(%lld) does not match number of bytes read " + "(%lld)\n", (long long)size, + (long long)strlen(buf)); + goto out2; + } + + rc = 0; + splat_vprint(file, SPLAT_KOBJ_TEST2_NAME, "\n%s\n", buf); + splat_vprint(file, SPLAT_KOBJ_TEST2_NAME, "Successfully stat'ed " + "and read expected number of bytes (%lld) from test " + "file: %s\n", (long long)size, SPLAT_KOBJ_TEST_FILE); +out2: + kfree(buf); +out: + kobj_close_file(f); + + return rc; +} /* splat_kobj_test2() */ + +splat_subsystem_t * +splat_kobj_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_KOBJ_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_KOBJ_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_KOBJ; + + SPLAT_TEST_INIT(sub, SPLAT_KOBJ_TEST1_NAME, SPLAT_KOBJ_TEST1_DESC, + SPLAT_KOBJ_TEST1_ID, splat_kobj_test1); + SPLAT_TEST_INIT(sub, SPLAT_KOBJ_TEST2_NAME, SPLAT_KOBJ_TEST2_DESC, + SPLAT_KOBJ_TEST2_ID, splat_kobj_test2); + + return sub; +} /* splat_kobj_init() */ + +void +splat_kobj_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_KOBJ_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_KOBJ_TEST1_ID); + + kfree(sub); +} /* splat_kobj_fini() */ + +int +splat_kobj_id(void) +{ + return SPLAT_SUBSYSTEM_KOBJ; +} /* splat_kobj_id() */ diff --git a/spl/module/splat/splat-linux.c b/spl/module/splat/splat-linux.c new file mode 100644 index 000000000000..3652267f940c --- /dev/null +++ b/spl/module/splat/splat-linux.c @@ -0,0 +1,237 @@ +/*****************************************************************************\ + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Kernel Compatibility Tests. +\*****************************************************************************/ + +#include +#include +#include "splat-internal.h" + +#define SPLAT_LINUX_NAME "linux" +#define SPLAT_LINUX_DESC "Kernel Compatibility Tests" + +#define SPLAT_LINUX_TEST1_ID 0x1001 +#define SPLAT_LINUX_TEST1_NAME "shrinker" +#define SPLAT_LINUX_TEST1_DESC "Shrinker test" + +/* + * Wait queue used to eliminate race between dropping of slab + * and execution of the shrinker callback + */ +DECLARE_WAIT_QUEUE_HEAD(shrinker_wait); + +SPL_SHRINKER_CALLBACK_FWD_DECLARE(splat_linux_shrinker_fn); +SPL_SHRINKER_DECLARE(splat_linux_shrinker, splat_linux_shrinker_fn, 1); +static unsigned long splat_linux_shrinker_size = 0; +static struct file *splat_linux_shrinker_file = NULL; + +static spl_shrinker_t +__splat_linux_shrinker_fn(struct shrinker *shrink, struct shrink_control *sc) +{ + static int failsafe = 0; + static unsigned long last_splat_linux_shrinker_size = 0; + unsigned long size; + spl_shrinker_t count; + + /* + * shrinker_size can only decrease or stay the same between callbacks + * in the same run, so Reset failsafe whenever shrinker increases + * as this indicates a new run. + */ + if (last_splat_linux_shrinker_size < splat_linux_shrinker_size) + failsafe = 0; + + last_splat_linux_shrinker_size = splat_linux_shrinker_size; + + if (sc->nr_to_scan) { + size = MIN(sc->nr_to_scan, splat_linux_shrinker_size); + splat_linux_shrinker_size -= size; + + splat_vprint(splat_linux_shrinker_file, SPLAT_LINUX_TEST1_NAME, + "Reclaimed %lu objects, size now %lu\n", + size, splat_linux_shrinker_size); + +#ifdef HAVE_SPLIT_SHRINKER_CALLBACK + count = size; +#else + count = splat_linux_shrinker_size; +#endif /* HAVE_SPLIT_SHRINKER_CALLBACK */ + + } else { + count = splat_linux_shrinker_size; + splat_vprint(splat_linux_shrinker_file, SPLAT_LINUX_TEST1_NAME, + "Cache size is %lu\n", splat_linux_shrinker_size); + } + + /* Far more calls than expected abort drop_slab as a failsafe */ + if (failsafe > 100) { + splat_vprint(splat_linux_shrinker_file, SPLAT_LINUX_TEST1_NAME, + "Far more calls than expected (%d), size now %lu\n", + failsafe, splat_linux_shrinker_size); + return (SHRINK_STOP); + } else { + /* + * We only increment failsafe if it doesn't trigger. This + * makes any failsafe failure persistent until the next test. + */ + failsafe++; + } + + /* Shrinker has run, so signal back to test. */ + wake_up(&shrinker_wait); + + return (count); +} + +SPL_SHRINKER_CALLBACK_WRAPPER(splat_linux_shrinker_fn); + +#define DROP_SLAB_CMD \ + "exec 0/proc/sys/vm/drop_caches " \ + " 2>/dev/null; " \ + "echo 2" + +static int +splat_linux_drop_slab(struct file *file) +{ + char *argv[] = { "/bin/sh", + "-c", + DROP_SLAB_CMD, + NULL }; + char *envp[] = { "HOME=/", + "TERM=linux", + "PATH=/sbin:/usr/sbin:/bin:/usr/bin", + NULL }; + int rc; + + rc = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC); + if (rc) + splat_vprint(file, SPLAT_LINUX_TEST1_NAME, + "Failed user helper '%s %s %s', rc = %d\n", + argv[0], argv[1], argv[2], rc); + + return rc; +} + +/* + * Verify correct shrinker functionality by registering a shrinker + * with the required compatibility macros. We then use a simulated + * cache and force the systems caches to be dropped. The shrinker + * should be repeatedly called until it reports that the cache is + * empty. It is then cleanly unregistered and correct behavior is + * verified. There are now four slightly different supported shrinker + * API and this test ensures the compatibility code is correct. + */ +static int +splat_linux_test1(struct file *file, void *arg) +{ + int rc = -EINVAL; + + /* + * Globals used by the shrinker, it is not safe to run this + * test concurrently this is a safe assumption for SPLAT tests. + * Regardless we do some minimal checking a bail if concurrent + * use is detected. + */ + if (splat_linux_shrinker_size || splat_linux_shrinker_file) { + splat_vprint(file, SPLAT_LINUX_TEST1_NAME, + "Failed due to concurrent shrinker test, rc = %d\n", rc); + return (rc); + } + + splat_linux_shrinker_size = 1024; + splat_linux_shrinker_file = file; + + spl_register_shrinker(&splat_linux_shrinker); + rc = splat_linux_drop_slab(file); + if (rc) + goto out; + + /* + * By the time we get here, it is possible that the shrinker has not + * yet run. splat_linux_drop_slab sends a signal for it to run, but + * there is no guarantee of when it will actually run. We wait for it + * to run here, terminating when either the shrinker size is now 0 or + * we timeout after 1 second, which should be an eternity (error). + */ + rc = wait_event_timeout(shrinker_wait, !splat_linux_shrinker_size, HZ); + if (!rc) { + splat_vprint(file, SPLAT_LINUX_TEST1_NAME, + "Failed cache shrinking timed out, size now %lu", + splat_linux_shrinker_size); + rc = -ETIMEDOUT; + } else { + rc = 0; + } + + if (!rc && splat_linux_shrinker_size != 0) { + splat_vprint(file, SPLAT_LINUX_TEST1_NAME, + "Failed cache was not shrunk to 0, size now %lu", + splat_linux_shrinker_size); + rc = -EDOM; + } +out: + spl_unregister_shrinker(&splat_linux_shrinker); + + splat_linux_shrinker_size = 0; + splat_linux_shrinker_file = NULL; + + return rc; +} + +splat_subsystem_t * +splat_linux_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_LINUX_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_LINUX_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_LINUX; + + SPLAT_TEST_INIT(sub, SPLAT_LINUX_TEST1_NAME, SPLAT_LINUX_TEST1_DESC, + SPLAT_LINUX_TEST1_ID, splat_linux_test1); + + return sub; +} + +void +splat_linux_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_LINUX_TEST1_ID); + + kfree(sub); +} + +int +splat_linux_id(void) { + return SPLAT_SUBSYSTEM_LINUX; +} diff --git a/spl/module/splat/splat-list.c b/spl/module/splat/splat-list.c new file mode 100644 index 000000000000..f59394c14253 --- /dev/null +++ b/spl/module/splat/splat-list.c @@ -0,0 +1,475 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) List Tests. +\*****************************************************************************/ + +#include +#include +#include "splat-internal.h" + +#define SPLAT_LIST_NAME "list" +#define SPLAT_LIST_DESC "Kernel List Tests" + +#define SPLAT_LIST_TEST1_ID 0x0c01 +#define SPLAT_LIST_TEST1_NAME "create/destroy" +#define SPLAT_LIST_TEST1_DESC "Create/destroy Test" + +#define SPLAT_LIST_TEST2_ID 0x0c02 +#define SPLAT_LIST_TEST2_NAME "ins/rm head" +#define SPLAT_LIST_TEST2_DESC "Insert/remove head Test" + +#define SPLAT_LIST_TEST3_ID 0x0c03 +#define SPLAT_LIST_TEST3_NAME "ins/rm tail" +#define SPLAT_LIST_TEST3_DESC "Insert/remove tail Test" + +#define SPLAT_LIST_TEST4_ID 0x0c04 +#define SPLAT_LIST_TEST4_NAME "insert_after" +#define SPLAT_LIST_TEST4_DESC "Insert_after Test" + +#define SPLAT_LIST_TEST5_ID 0x0c05 +#define SPLAT_LIST_TEST5_NAME "insert_before" +#define SPLAT_LIST_TEST5_DESC "Insert_before Test" + +#define SPLAT_LIST_TEST6_ID 0x0c06 +#define SPLAT_LIST_TEST6_NAME "remove" +#define SPLAT_LIST_TEST6_DESC "Remove Test" + +#define SPLAT_LIST_TEST7_ID 0x0c7 +#define SPLAT_LIST_TEST7_NAME "active" +#define SPLAT_LIST_TEST7_DESC "Active Test" + +/* It is important that li_node is not the first element, this + * ensures the list_d2l/list_object macros are working correctly. */ +typedef struct list_item { + int li_data; + list_node_t li_node; +} list_item_t; + +#define LIST_ORDER_STACK 0 +#define LIST_ORDER_QUEUE 1 + +static int +splat_list_test1(struct file *file, void *arg) +{ + list_t list; + + splat_vprint(file, SPLAT_LIST_TEST1_NAME, "Creating list\n%s", ""); + list_create(&list, sizeof(list_item_t), offsetof(list_item_t, li_node)); + + if (!list_is_empty(&list)) { + splat_vprint(file, SPLAT_LIST_TEST1_NAME, + "New list NOT empty%s\n", ""); + /* list_destroy() intentionally skipped to avoid assert */ + return -EEXIST; + } + + splat_vprint(file, SPLAT_LIST_TEST1_NAME, "Destroying list\n%s", ""); + list_destroy(&list); + + /* Validate the list has been destroyed */ + if (list_link_active(&list.list_head)) { + splat_vprint(file, SPLAT_LIST_TEST1_NAME, + "Destroyed list still active%s", ""); + return -EIO; + } + + return 0; +} + +static int +splat_list_validate(list_t *list, int size, int order, int mult) +{ + list_item_t *li; + int i; + + /* Walk all items in list from head to verify stack or queue + * ordering. We bound the for loop by size+1 to ensure that + * we still terminate if there is list corruption. We also + * intentionally make things a little more complex than they + * need to be by using list_head/list_next for queues, and + * list_tail/list_prev for stacks. This is simply done for + * coverage and to ensure these function are working right. + */ + for (i = 0, li = (order ? list_head(list) : list_tail(list)); + i < size + 1 && li != NULL; + i++, li = (order ? list_next(list, li) : list_prev(list, li))) + if (li->li_data != i * mult) + return -EIDRM; + + if (i != size) + return -E2BIG; + + return 0; +} + +static int +splat_list_test2(struct file *file, void *arg) +{ + list_t list; + list_item_t *li; + int i, list_size = 8, rc = 0; + + splat_vprint(file, SPLAT_LIST_TEST2_NAME, "Creating list\n%s", ""); + list_create(&list, sizeof(list_item_t), offsetof(list_item_t, li_node)); + + /* Insert all items at the list head to form a stack */ + splat_vprint(file, SPLAT_LIST_TEST2_NAME, + "Adding %d items to list head\n", list_size); + for (i = 0; i < list_size; i++) { + li = kmem_alloc(sizeof(list_item_t), KM_SLEEP); + if (li == NULL) { + rc = -ENOMEM; + goto out; + } + + list_link_init(&li->li_node); + li->li_data = i; + list_insert_head(&list, li); + } + + splat_vprint(file, SPLAT_LIST_TEST2_NAME, + "Validating %d item list is a stack\n", list_size); + rc = splat_list_validate(&list, list_size, LIST_ORDER_STACK, 1); + if (rc) + splat_vprint(file, SPLAT_LIST_TEST2_NAME, + "List validation failed, %d\n", rc); +out: + /* Remove all items */ + splat_vprint(file, SPLAT_LIST_TEST2_NAME, + "Removing %d items from list head\n", list_size); + while ((li = list_remove_head(&list))) + kmem_free(li, sizeof(list_item_t)); + + splat_vprint(file, SPLAT_LIST_TEST2_NAME, "Destroying list\n%s", ""); + list_destroy(&list); + + return rc; +} + +static int +splat_list_test3(struct file *file, void *arg) +{ + list_t list; + list_item_t *li; + int i, list_size = 8, rc = 0; + + splat_vprint(file, SPLAT_LIST_TEST3_NAME, "Creating list\n%s", ""); + list_create(&list, sizeof(list_item_t), offsetof(list_item_t, li_node)); + + /* Insert all items at the list tail to form a queue */ + splat_vprint(file, SPLAT_LIST_TEST3_NAME, + "Adding %d items to list tail\n", list_size); + for (i = 0; i < list_size; i++) { + li = kmem_alloc(sizeof(list_item_t), KM_SLEEP); + if (li == NULL) { + rc = -ENOMEM; + goto out; + } + + list_link_init(&li->li_node); + li->li_data = i; + list_insert_tail(&list, li); + } + + splat_vprint(file, SPLAT_LIST_TEST3_NAME, + "Validating %d item list is a queue\n", list_size); + rc = splat_list_validate(&list, list_size, LIST_ORDER_QUEUE, 1); + if (rc) + splat_vprint(file, SPLAT_LIST_TEST3_NAME, + "List validation failed, %d\n", rc); +out: + /* Remove all items */ + splat_vprint(file, SPLAT_LIST_TEST3_NAME, + "Removing %d items from list tail\n", list_size); + while ((li = list_remove_tail(&list))) + kmem_free(li, sizeof(list_item_t)); + + splat_vprint(file, SPLAT_LIST_TEST3_NAME, "Destroying list\n%s", ""); + list_destroy(&list); + + return rc; +} + +static int +splat_list_test4(struct file *file, void *arg) +{ + list_t list; + list_item_t *li_new, *li_last = NULL; + int i, list_size = 8, rc = 0; + + splat_vprint(file, SPLAT_LIST_TEST4_NAME, "Creating list\n%s", ""); + list_create(&list, sizeof(list_item_t), offsetof(list_item_t, li_node)); + + /* Insert all items after the last item to form a queue */ + splat_vprint(file, SPLAT_LIST_TEST4_NAME, + "Adding %d items each after the last item\n", list_size); + for (i = 0; i < list_size; i++) { + li_new = kmem_alloc(sizeof(list_item_t), KM_SLEEP); + if (li_new == NULL) { + rc = -ENOMEM; + goto out; + } + + list_link_init(&li_new->li_node); + li_new->li_data = i; + list_insert_after(&list, li_last, li_new); + li_last = li_new; + } + + splat_vprint(file, SPLAT_LIST_TEST4_NAME, + "Validating %d item list is a queue\n", list_size); + rc = splat_list_validate(&list, list_size, LIST_ORDER_QUEUE, 1); + if (rc) + splat_vprint(file, SPLAT_LIST_TEST4_NAME, + "List validation failed, %d\n", rc); +out: + /* Remove all items */ + splat_vprint(file, SPLAT_LIST_TEST4_NAME, + "Removing %d items from list tail\n", list_size); + while ((li_new = list_remove_head(&list))) + kmem_free(li_new, sizeof(list_item_t)); + + splat_vprint(file, SPLAT_LIST_TEST4_NAME, "Destroying list\n%s", ""); + list_destroy(&list); + + return rc; +} + +static int +splat_list_test5(struct file *file, void *arg) +{ + list_t list; + list_item_t *li_new, *li_last = NULL; + int i, list_size = 8, rc = 0; + + splat_vprint(file, SPLAT_LIST_TEST5_NAME, "Creating list\n%s", ""); + list_create(&list, sizeof(list_item_t), offsetof(list_item_t, li_node)); + + /* Insert all items before the last item to form a stack */ + splat_vprint(file, SPLAT_LIST_TEST5_NAME, + "Adding %d items each before the last item\n", list_size); + for (i = 0; i < list_size; i++) { + li_new = kmem_alloc(sizeof(list_item_t), KM_SLEEP); + if (li_new == NULL) { + rc = -ENOMEM; + goto out; + } + + list_link_init(&li_new->li_node); + li_new->li_data = i; + list_insert_before(&list, li_last, li_new); + li_last = li_new; + } + + splat_vprint(file, SPLAT_LIST_TEST5_NAME, + "Validating %d item list is a queue\n", list_size); + rc = splat_list_validate(&list, list_size, LIST_ORDER_STACK, 1); + if (rc) + splat_vprint(file, SPLAT_LIST_TEST5_NAME, + "List validation failed, %d\n", rc); +out: + /* Remove all items */ + splat_vprint(file, SPLAT_LIST_TEST5_NAME, + "Removing %d items from list tail\n", list_size); + while ((li_new = list_remove_tail(&list))) + kmem_free(li_new, sizeof(list_item_t)); + + splat_vprint(file, SPLAT_LIST_TEST5_NAME, "Destroying list\n%s", ""); + list_destroy(&list); + + return rc; +} + +static int +splat_list_test6(struct file *file, void *arg) +{ + list_t list; + list_item_t *li, *li_prev; + int i, list_size = 8, rc = 0; + + splat_vprint(file, SPLAT_LIST_TEST6_NAME, "Creating list\n%s", ""); + list_create(&list, sizeof(list_item_t), offsetof(list_item_t, li_node)); + + /* Insert all items at the list tail to form a queue */ + splat_vprint(file, SPLAT_LIST_TEST6_NAME, + "Adding %d items to list tail\n", list_size); + for (i = 0; i < list_size; i++) { + li = kmem_alloc(sizeof(list_item_t), KM_SLEEP); + if (li == NULL) { + rc = -ENOMEM; + goto out; + } + + list_link_init(&li->li_node); + li->li_data = i; + list_insert_tail(&list, li); + } + + /* Remove all odd items from the queue */ + splat_vprint(file, SPLAT_LIST_TEST6_NAME, + "Removing %d odd items from the list\n", list_size >> 1); + for (li = list_head(&list); li != NULL; li = list_next(&list, li)) { + if (li->li_data % 2 == 1) { + li_prev = list_prev(&list, li); + list_remove(&list, li); + kmem_free(li, sizeof(list_item_t)); + li = li_prev; + } + } + + splat_vprint(file, SPLAT_LIST_TEST6_NAME, "Validating %d item " + "list is a queue of only even elements\n", list_size / 2); + rc = splat_list_validate(&list, list_size / 2, LIST_ORDER_QUEUE, 2); + if (rc) + splat_vprint(file, SPLAT_LIST_TEST6_NAME, + "List validation failed, %d\n", rc); +out: + /* Remove all items */ + splat_vprint(file, SPLAT_LIST_TEST6_NAME, + "Removing %d items from list tail\n", list_size / 2); + while ((li = list_remove_tail(&list))) + kmem_free(li, sizeof(list_item_t)); + + splat_vprint(file, SPLAT_LIST_TEST6_NAME, "Destroying list\n%s", ""); + list_destroy(&list); + + return rc; +} + +static int +splat_list_test7(struct file *file, void *arg) +{ + list_t list; + list_item_t *li; + int rc = 0; + + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "Creating list\n%s", ""); + list_create(&list, sizeof(list_item_t), offsetof(list_item_t, li_node)); + + li = kmem_alloc(sizeof(list_item_t), KM_SLEEP); + if (li == NULL) { + rc = -ENOMEM; + goto out; + } + + /* Validate newly initialized node is inactive */ + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "Init list node\n%s", ""); + list_link_init(&li->li_node); + if (list_link_active(&li->li_node)) { + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "Newly initialized " + "list node should inactive %p/%p\n", + li->li_node.prev, li->li_node.next); + rc = -EINVAL; + goto out_li; + } + + /* Validate node is active when linked in to a list */ + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "Insert list node\n%s", ""); + list_insert_head(&list, li); + if (!list_link_active(&li->li_node)) { + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "List node " + "inserted in list should be active %p/%p\n", + li->li_node.prev, li->li_node.next); + rc = -EINVAL; + goto out; + } + + /* Validate node is inactive when removed from list */ + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "Remove list node\n%s", ""); + list_remove(&list, li); + if (list_link_active(&li->li_node)) { + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "List node " + "removed from list should be inactive %p/%p\n", + li->li_node.prev, li->li_node.next); + rc = -EINVAL; + } +out_li: + kmem_free(li, sizeof(list_item_t)); +out: + /* Remove all items */ + while ((li = list_remove_head(&list))) + kmem_free(li, sizeof(list_item_t)); + + splat_vprint(file, SPLAT_LIST_TEST7_NAME, "Destroying list\n%s", ""); + list_destroy(&list); + + return rc; +} + +splat_subsystem_t * +splat_list_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_LIST_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_LIST_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_LIST; + + SPLAT_TEST_INIT(sub, SPLAT_LIST_TEST1_NAME, SPLAT_LIST_TEST1_DESC, + SPLAT_LIST_TEST1_ID, splat_list_test1); + SPLAT_TEST_INIT(sub, SPLAT_LIST_TEST2_NAME, SPLAT_LIST_TEST2_DESC, + SPLAT_LIST_TEST2_ID, splat_list_test2); + SPLAT_TEST_INIT(sub, SPLAT_LIST_TEST3_NAME, SPLAT_LIST_TEST3_DESC, + SPLAT_LIST_TEST3_ID, splat_list_test3); + SPLAT_TEST_INIT(sub, SPLAT_LIST_TEST4_NAME, SPLAT_LIST_TEST4_DESC, + SPLAT_LIST_TEST4_ID, splat_list_test4); + SPLAT_TEST_INIT(sub, SPLAT_LIST_TEST5_NAME, SPLAT_LIST_TEST5_DESC, + SPLAT_LIST_TEST5_ID, splat_list_test5); + SPLAT_TEST_INIT(sub, SPLAT_LIST_TEST6_NAME, SPLAT_LIST_TEST6_DESC, + SPLAT_LIST_TEST6_ID, splat_list_test6); + SPLAT_TEST_INIT(sub, SPLAT_LIST_TEST7_NAME, SPLAT_LIST_TEST7_DESC, + SPLAT_LIST_TEST7_ID, splat_list_test7); + + return sub; +} + +void +splat_list_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_LIST_TEST7_ID); + SPLAT_TEST_FINI(sub, SPLAT_LIST_TEST6_ID); + SPLAT_TEST_FINI(sub, SPLAT_LIST_TEST5_ID); + SPLAT_TEST_FINI(sub, SPLAT_LIST_TEST4_ID); + SPLAT_TEST_FINI(sub, SPLAT_LIST_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_LIST_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_LIST_TEST1_ID); + + kfree(sub); +} + +int +splat_list_id(void) +{ + return SPLAT_SUBSYSTEM_LIST; +} diff --git a/spl/module/splat/splat-mutex.c b/spl/module/splat/splat-mutex.c new file mode 100644 index 000000000000..86bef8ee31be --- /dev/null +++ b/spl/module/splat/splat-mutex.c @@ -0,0 +1,441 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Mutex Tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_MUTEX_NAME "mutex" +#define SPLAT_MUTEX_DESC "Kernel Mutex Tests" + +#define SPLAT_MUTEX_TEST1_ID 0x0401 +#define SPLAT_MUTEX_TEST1_NAME "tryenter" +#define SPLAT_MUTEX_TEST1_DESC "Validate mutex_tryenter() correctness" + +#define SPLAT_MUTEX_TEST2_ID 0x0402 +#define SPLAT_MUTEX_TEST2_NAME "race" +#define SPLAT_MUTEX_TEST2_DESC "Many threads entering/exiting the mutex" + +#define SPLAT_MUTEX_TEST3_ID 0x0403 +#define SPLAT_MUTEX_TEST3_NAME "owned" +#define SPLAT_MUTEX_TEST3_DESC "Validate mutex_owned() correctness" + +#define SPLAT_MUTEX_TEST4_ID 0x0404 +#define SPLAT_MUTEX_TEST4_NAME "owner" +#define SPLAT_MUTEX_TEST4_DESC "Validate mutex_owner() correctness" + +#define SPLAT_MUTEX_TEST_MAGIC 0x115599DDUL +#define SPLAT_MUTEX_TEST_NAME "mutex_test" +#define SPLAT_MUTEX_TEST_TASKQ "mutex_taskq" +#define SPLAT_MUTEX_TEST_COUNT 128 + +typedef struct mutex_priv { + unsigned long mp_magic; + struct file *mp_file; + kmutex_t mp_mtx; + int mp_rc; + int mp_rc2; +} mutex_priv_t; + +static void +splat_mutex_test1_func(void *arg) +{ + mutex_priv_t *mp = (mutex_priv_t *)arg; + ASSERT(mp->mp_magic == SPLAT_MUTEX_TEST_MAGIC); + + if (mutex_tryenter(&mp->mp_mtx)) { + mp->mp_rc = 0; + mutex_exit(&mp->mp_mtx); + } else { + mp->mp_rc = -EBUSY; + } +} + +static int +splat_mutex_test1(struct file *file, void *arg) +{ + mutex_priv_t *mp; + taskq_t *tq; + int id, rc = 0; + + mp = (mutex_priv_t *)kmalloc(sizeof(*mp), GFP_KERNEL); + if (mp == NULL) + return -ENOMEM; + + tq = taskq_create(SPLAT_MUTEX_TEST_TASKQ, 1, defclsyspri, + 50, INT_MAX, TASKQ_PREPOPULATE); + if (tq == NULL) { + rc = -ENOMEM; + goto out2; + } + + mp->mp_magic = SPLAT_MUTEX_TEST_MAGIC; + mp->mp_file = file; + mutex_init(&mp->mp_mtx, SPLAT_MUTEX_TEST_NAME, MUTEX_DEFAULT, NULL); + mutex_enter(&mp->mp_mtx); + + /* + * Schedule a task function which will try and acquire the mutex via + * mutex_tryenter() while it's held. This should fail and the task + * function will indicate this status in the passed private data. + */ + mp->mp_rc = -EINVAL; + id = taskq_dispatch(tq, splat_mutex_test1_func, mp, TQ_SLEEP); + if (id == 0) { + mutex_exit(&mp->mp_mtx); + splat_vprint(file, SPLAT_MUTEX_TEST1_NAME, "%s", + "taskq_dispatch() failed\n"); + rc = -EINVAL; + goto out; + } + + taskq_wait_id(tq, id); + mutex_exit(&mp->mp_mtx); + + /* Task function successfully acquired mutex, very bad! */ + if (mp->mp_rc != -EBUSY) { + splat_vprint(file, SPLAT_MUTEX_TEST1_NAME, + "mutex_trylock() incorrectly succeeded when " + "the mutex was held, %d/%d\n", id, mp->mp_rc); + rc = -EINVAL; + goto out; + } else { + splat_vprint(file, SPLAT_MUTEX_TEST1_NAME, "%s", + "mutex_trylock() correctly failed when " + "the mutex was held\n"); + } + + /* + * Schedule a task function which will try and acquire the mutex via + * mutex_tryenter() while it is not held. This should succeed and + * can be verified by checking the private data. + */ + mp->mp_rc = -EINVAL; + id = taskq_dispatch(tq, splat_mutex_test1_func, mp, TQ_SLEEP); + if (id == 0) { + splat_vprint(file, SPLAT_MUTEX_TEST1_NAME, "%s", + "taskq_dispatch() failed\n"); + rc = -EINVAL; + goto out; + } + + taskq_wait_id(tq, id); + + /* Task function failed to acquire mutex, very bad! */ + if (mp->mp_rc != 0) { + splat_vprint(file, SPLAT_MUTEX_TEST1_NAME, + "mutex_trylock() incorrectly failed when " + "the mutex was not held, %d/%d\n", id, mp->mp_rc); + rc = -EINVAL; + } else { + splat_vprint(file, SPLAT_MUTEX_TEST1_NAME, "%s", + "mutex_trylock() correctly succeeded " + "when the mutex was not held\n"); + } +out: + taskq_destroy(tq); + mutex_destroy(&(mp->mp_mtx)); +out2: + kfree(mp); + return rc; +} + +static void +splat_mutex_test2_func(void *arg) +{ + mutex_priv_t *mp = (mutex_priv_t *)arg; + int rc; + ASSERT(mp->mp_magic == SPLAT_MUTEX_TEST_MAGIC); + + /* Read the value before sleeping and write it after we wake up to + * maximize the chance of a race if mutexs are not working properly */ + mutex_enter(&mp->mp_mtx); + rc = mp->mp_rc; + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ / 100); /* 1/100 of a second */ + VERIFY(mp->mp_rc == rc); + mp->mp_rc = rc + 1; + mutex_exit(&mp->mp_mtx); +} + +static int +splat_mutex_test2(struct file *file, void *arg) +{ + mutex_priv_t *mp; + taskq_t *tq; + int i, rc = 0; + + mp = (mutex_priv_t *)kmalloc(sizeof(*mp), GFP_KERNEL); + if (mp == NULL) + return -ENOMEM; + + /* Create several threads allowing tasks to race with each other */ + tq = taskq_create(SPLAT_MUTEX_TEST_TASKQ, num_online_cpus(), + defclsyspri, 50, INT_MAX, TASKQ_PREPOPULATE); + if (tq == NULL) { + rc = -ENOMEM; + goto out; + } + + mp->mp_magic = SPLAT_MUTEX_TEST_MAGIC; + mp->mp_file = file; + mutex_init(&(mp->mp_mtx), SPLAT_MUTEX_TEST_NAME, MUTEX_DEFAULT, NULL); + mp->mp_rc = 0; + + /* + * Schedule N work items to the work queue each of which enters the + * mutex, sleeps briefly, then exits the mutex. On a multiprocessor + * box these work items will be handled by all available CPUs. The + * task function checks to ensure the tracked shared variable is + * always only incremented by one. Additionally, the mutex itself + * is instrumented such that if any two processors are in the + * critical region at the same time the system will panic. If the + * mutex is implemented right this will never happy, that's a pass. + */ + for (i = 0; i < SPLAT_MUTEX_TEST_COUNT; i++) { + if (!taskq_dispatch(tq, splat_mutex_test2_func, mp, TQ_SLEEP)) { + splat_vprint(file, SPLAT_MUTEX_TEST2_NAME, + "Failed to queue task %d\n", i); + rc = -EINVAL; + } + } + + taskq_wait(tq); + + if (mp->mp_rc == SPLAT_MUTEX_TEST_COUNT) { + splat_vprint(file, SPLAT_MUTEX_TEST2_NAME, "%d racing threads " + "correctly entered/exited the mutex %d times\n", + num_online_cpus(), mp->mp_rc); + } else { + splat_vprint(file, SPLAT_MUTEX_TEST2_NAME, "%d racing threads " + "only processed %d/%d mutex work items\n", + num_online_cpus(),mp->mp_rc,SPLAT_MUTEX_TEST_COUNT); + rc = -EINVAL; + } + + taskq_destroy(tq); + mutex_destroy(&(mp->mp_mtx)); +out: + kfree(mp); + return rc; +} + +static void +splat_mutex_owned(void *priv) +{ + mutex_priv_t *mp = (mutex_priv_t *)priv; + + ASSERT(mp->mp_magic == SPLAT_MUTEX_TEST_MAGIC); + mp->mp_rc = mutex_owned(&mp->mp_mtx); + mp->mp_rc2 = MUTEX_HELD(&mp->mp_mtx); +} + +static int +splat_mutex_test3(struct file *file, void *arg) +{ + mutex_priv_t mp; + taskq_t *tq; + int rc = 0; + + mp.mp_magic = SPLAT_MUTEX_TEST_MAGIC; + mp.mp_file = file; + mutex_init(&mp.mp_mtx, SPLAT_MUTEX_TEST_NAME, MUTEX_DEFAULT, NULL); + + if ((tq = taskq_create(SPLAT_MUTEX_TEST_NAME, 1, defclsyspri, + 50, INT_MAX, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "Taskq '%s' " + "create failed\n", SPLAT_MUTEX_TEST3_NAME); + return -EINVAL; + } + + mutex_enter(&mp.mp_mtx); + + /* Mutex should be owned by current */ + if (!mutex_owned(&mp.mp_mtx)) { + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "Unowned mutex " + "should be owned by pid %d\n", current->pid); + rc = -EINVAL; + goto out_exit; + } + + if (taskq_dispatch(tq, splat_mutex_owned, &mp, TQ_SLEEP) == 0) { + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "Failed to " + "dispatch function '%s' to taskq\n", + sym2str(splat_mutex_owned)); + rc = -EINVAL; + goto out_exit; + } + taskq_wait(tq); + + /* Mutex should not be owned which checked from a different thread */ + if (mp.mp_rc || mp.mp_rc2) { + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "Mutex owned by " + "pid %d not by taskq\n", current->pid); + rc = -EINVAL; + goto out_exit; + } + + mutex_exit(&mp.mp_mtx); + + /* Mutex should not be owned by current */ + if (mutex_owned(&mp.mp_mtx)) { + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "Mutex owned by " + "pid %d it should be unowned\b", current->pid); + rc = -EINVAL; + goto out; + } + + if (taskq_dispatch(tq, splat_mutex_owned, &mp, TQ_SLEEP) == 0) { + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "Failed to " + "dispatch function '%s' to taskq\n", + sym2str(splat_mutex_owned)); + rc = -EINVAL; + goto out; + } + taskq_wait(tq); + + /* Mutex should be owned by no one */ + if (mp.mp_rc || mp.mp_rc2) { + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "Mutex owned by " + "no one, %d/%d disagrees\n", mp.mp_rc, mp.mp_rc2); + rc = -EINVAL; + goto out; + } + + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "%s", + "Correct mutex_owned() behavior\n"); + goto out; +out_exit: + mutex_exit(&mp.mp_mtx); +out: + mutex_destroy(&mp.mp_mtx); + taskq_destroy(tq); + + return rc; +} + +static int +splat_mutex_test4(struct file *file, void *arg) +{ + kmutex_t mtx; + kthread_t *owner; + int rc = 0; + + mutex_init(&mtx, SPLAT_MUTEX_TEST_NAME, MUTEX_DEFAULT, NULL); + + /* + * Verify mutex owner is cleared after being dropped. Depending + * on how you build your kernel this behavior changes, ensure the + * SPL mutex implementation is properly detecting this. + */ + mutex_enter(&mtx); + msleep(100); + mutex_exit(&mtx); + if (MUTEX_HELD(&mtx)) { + splat_vprint(file, SPLAT_MUTEX_TEST4_NAME, "Mutex should " + "not be held, bit is by %p\n", mutex_owner(&mtx)); + rc = -EINVAL; + goto out; + } + + mutex_enter(&mtx); + + /* Mutex should be owned by current */ + owner = mutex_owner(&mtx); + if (current != owner) { + splat_vprint(file, SPLAT_MUTEX_TEST4_NAME, "Mutex should " + "be owned by pid %d but is owned by pid %d\n", + current->pid, owner ? owner->pid : -1); + rc = -EINVAL; + goto out; + } + + mutex_exit(&mtx); + + /* Mutex should not be owned by any task */ + owner = mutex_owner(&mtx); + if (owner) { + splat_vprint(file, SPLAT_MUTEX_TEST4_NAME, "Mutex should not " + "be owned but is owned by pid %d\n", owner->pid); + rc = -EINVAL; + goto out; + } + + splat_vprint(file, SPLAT_MUTEX_TEST3_NAME, "%s", + "Correct mutex_owner() behavior\n"); +out: + mutex_destroy(&mtx); + + return rc; +} + +splat_subsystem_t * +splat_mutex_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_MUTEX_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_MUTEX_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_MUTEX; + + SPLAT_TEST_INIT(sub, SPLAT_MUTEX_TEST1_NAME, SPLAT_MUTEX_TEST1_DESC, + SPLAT_MUTEX_TEST1_ID, splat_mutex_test1); + SPLAT_TEST_INIT(sub, SPLAT_MUTEX_TEST2_NAME, SPLAT_MUTEX_TEST2_DESC, + SPLAT_MUTEX_TEST2_ID, splat_mutex_test2); + SPLAT_TEST_INIT(sub, SPLAT_MUTEX_TEST3_NAME, SPLAT_MUTEX_TEST3_DESC, + SPLAT_MUTEX_TEST3_ID, splat_mutex_test3); + SPLAT_TEST_INIT(sub, SPLAT_MUTEX_TEST4_NAME, SPLAT_MUTEX_TEST4_DESC, + SPLAT_MUTEX_TEST4_ID, splat_mutex_test4); + + return sub; +} + +void +splat_mutex_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_MUTEX_TEST4_ID); + SPLAT_TEST_FINI(sub, SPLAT_MUTEX_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_MUTEX_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_MUTEX_TEST1_ID); + + kfree(sub); +} + +int +splat_mutex_id(void) { + return SPLAT_SUBSYSTEM_MUTEX; +} diff --git a/spl/module/splat/splat-random.c b/spl/module/splat/splat-random.c new file mode 100644 index 000000000000..33b799bad2e2 --- /dev/null +++ b/spl/module/splat/splat-random.c @@ -0,0 +1,130 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Random Number Generator Tests. +\*****************************************************************************/ + +#include +#include +#include "splat-internal.h" + +#define SPLAT_KRNG_NAME "krng" +#define SPLAT_KRNG_DESC "Kernel Random Number Generator Tests" + +#define SPLAT_KRNG_TEST1_ID 0x0301 +#define SPLAT_KRNG_TEST1_NAME "freq" +#define SPLAT_KRNG_TEST1_DESC "Frequency Test" + +#define KRNG_NUM_BITS 1048576 +#define KRNG_NUM_BYTES (KRNG_NUM_BITS >> 3) +#define KRNG_NUM_BITS_DIV2 (KRNG_NUM_BITS >> 1) +#define KRNG_ERROR_RANGE 2097 + +/* Random Number Generator Tests + There can be meny more tests on quality of the + random number generator. For now we are only + testing the frequency of particular bits. + We could also test consecutive sequences, + randomness within a particular block, etc. + but is probably not necessary for our purposes */ + +static int +splat_krng_test1(struct file *file, void *arg) +{ + uint8_t *buf; + int i, j, diff, num = 0, rc = 0; + + buf = kmalloc(sizeof(*buf) * KRNG_NUM_BYTES, GFP_KERNEL); + if (buf == NULL) { + rc = -ENOMEM; + goto out; + } + + memset(buf, 0, sizeof(*buf) * KRNG_NUM_BYTES); + + /* Always succeeds */ + random_get_pseudo_bytes(buf, sizeof(uint8_t) * KRNG_NUM_BYTES); + + for (i = 0; i < KRNG_NUM_BYTES; i++) { + uint8_t tmp = buf[i]; + for (j = 0; j < 8; j++) { + uint8_t tmp2 = ((tmp >> j) & 0x01); + if (tmp2 == 1) { + num++; + } + } + } + + kfree(buf); + + diff = KRNG_NUM_BITS_DIV2 - num; + if (diff < 0) + diff *= -1; + + splat_print(file, "Test 1 Number of ones: %d\n", num); + splat_print(file, "Test 1 Difference from expected: %d Allowed: %d\n", + diff, KRNG_ERROR_RANGE); + + if (diff > KRNG_ERROR_RANGE) + rc = -ERANGE; +out: + return rc; +} + +splat_subsystem_t * +splat_krng_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_KRNG_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_KRNG_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_KRNG; + + SPLAT_TEST_INIT(sub, SPLAT_KRNG_TEST1_NAME, SPLAT_KRNG_TEST1_DESC, + SPLAT_KRNG_TEST1_ID, splat_krng_test1); + + return sub; +} + +void +splat_krng_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_KRNG_TEST1_ID); + + kfree(sub); +} + +int +splat_krng_id(void) { + return SPLAT_SUBSYSTEM_KRNG; +} diff --git a/spl/module/splat/splat-rwlock.c b/spl/module/splat/splat-rwlock.c new file mode 100644 index 000000000000..4576f20c7d00 --- /dev/null +++ b/spl/module/splat/splat-rwlock.c @@ -0,0 +1,723 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Read/Writer Lock Tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_RWLOCK_NAME "rwlock" +#define SPLAT_RWLOCK_DESC "Kernel RW Lock Tests" + +#define SPLAT_RWLOCK_TEST1_ID 0x0701 +#define SPLAT_RWLOCK_TEST1_NAME "N-rd/1-wr" +#define SPLAT_RWLOCK_TEST1_DESC "Multiple readers one writer" + +#define SPLAT_RWLOCK_TEST2_ID 0x0702 +#define SPLAT_RWLOCK_TEST2_NAME "0-rd/N-wr" +#define SPLAT_RWLOCK_TEST2_DESC "Multiple writers" + +#define SPLAT_RWLOCK_TEST3_ID 0x0703 +#define SPLAT_RWLOCK_TEST3_NAME "held" +#define SPLAT_RWLOCK_TEST3_DESC "RW_{LOCK|READ|WRITE}_HELD" + +#define SPLAT_RWLOCK_TEST4_ID 0x0704 +#define SPLAT_RWLOCK_TEST4_NAME "tryenter" +#define SPLAT_RWLOCK_TEST4_DESC "Tryenter" + +#define SPLAT_RWLOCK_TEST5_ID 0x0705 +#define SPLAT_RWLOCK_TEST5_NAME "rw_downgrade" +#define SPLAT_RWLOCK_TEST5_DESC "Write downgrade" + +#define SPLAT_RWLOCK_TEST6_ID 0x0706 +#define SPLAT_RWLOCK_TEST6_NAME "rw_tryupgrade-1" +#define SPLAT_RWLOCK_TEST6_DESC "rwsem->count value" + +#define SPLAT_RWLOCK_TEST7_ID 0x0707 +#define SPLAT_RWLOCK_TEST7_NAME "rw_tryupgrade-2" +#define SPLAT_RWLOCK_TEST7_DESC "Read upgrade" + +#define SPLAT_RWLOCK_TEST_MAGIC 0x115599DDUL +#define SPLAT_RWLOCK_TEST_NAME "rwlock_test" +#define SPLAT_RWLOCK_TEST_TASKQ "rwlock_taskq" +#define SPLAT_RWLOCK_TEST_COUNT 8 + +#define SPLAT_RWLOCK_RELEASE_INIT 0 +#define SPLAT_RWLOCK_RELEASE_WR 1 +#define SPLAT_RWLOCK_RELEASE_RD 2 + +typedef struct rw_priv { + unsigned long rw_magic; + struct file *rw_file; + krwlock_t rw_rwlock; + spinlock_t rw_lock; + wait_queue_head_t rw_waitq; + int rw_completed; + int rw_holders; + int rw_waiters; + int rw_release; + int rw_rc; + krw_t rw_type; +} rw_priv_t; + +typedef struct rw_thr { + const char *rwt_name; + rw_priv_t *rwt_rwp; + struct task_struct *rwt_thread; +} rw_thr_t; + +void splat_init_rw_priv(rw_priv_t *rwp, struct file *file) +{ + rwp->rw_magic = SPLAT_RWLOCK_TEST_MAGIC; + rwp->rw_file = file; + rw_init(&rwp->rw_rwlock, SPLAT_RWLOCK_TEST_NAME, RW_DEFAULT, NULL); + spin_lock_init(&rwp->rw_lock); + init_waitqueue_head(&rwp->rw_waitq); + rwp->rw_completed = 0; + rwp->rw_holders = 0; + rwp->rw_waiters = 0; + rwp->rw_release = SPLAT_RWLOCK_RELEASE_INIT; + rwp->rw_rc = 0; + rwp->rw_type = 0; +} + +static int +splat_rwlock_wr_thr(void *arg) +{ + rw_thr_t *rwt = (rw_thr_t *)arg; + rw_priv_t *rwp = rwt->rwt_rwp; + uint8_t rnd; + + ASSERT(rwp->rw_magic == SPLAT_RWLOCK_TEST_MAGIC); + + get_random_bytes((void *)&rnd, 1); + msleep((unsigned int)rnd); + + splat_vprint(rwp->rw_file, rwt->rwt_name, + "%s trying to acquire rwlock (%d holding/%d waiting)\n", + rwt->rwt_thread->comm, rwp->rw_holders, rwp->rw_waiters); + spin_lock(&rwp->rw_lock); + rwp->rw_waiters++; + spin_unlock(&rwp->rw_lock); + rw_enter(&rwp->rw_rwlock, RW_WRITER); + + spin_lock(&rwp->rw_lock); + rwp->rw_waiters--; + rwp->rw_holders++; + spin_unlock(&rwp->rw_lock); + splat_vprint(rwp->rw_file, rwt->rwt_name, + "%s acquired rwlock (%d holding/%d waiting)\n", + rwt->rwt_thread->comm, rwp->rw_holders, rwp->rw_waiters); + + /* Wait for control thread to signal we can release the write lock */ + wait_event_interruptible(rwp->rw_waitq, splat_locked_test(&rwp->rw_lock, + rwp->rw_release == SPLAT_RWLOCK_RELEASE_WR)); + + spin_lock(&rwp->rw_lock); + rwp->rw_completed++; + rwp->rw_holders--; + spin_unlock(&rwp->rw_lock); + splat_vprint(rwp->rw_file, rwt->rwt_name, + "%s dropped rwlock (%d holding/%d waiting)\n", + rwt->rwt_thread->comm, rwp->rw_holders, rwp->rw_waiters); + + rw_exit(&rwp->rw_rwlock); + + return 0; +} + +static int +splat_rwlock_rd_thr(void *arg) +{ + rw_thr_t *rwt = (rw_thr_t *)arg; + rw_priv_t *rwp = rwt->rwt_rwp; + uint8_t rnd; + + ASSERT(rwp->rw_magic == SPLAT_RWLOCK_TEST_MAGIC); + + get_random_bytes((void *)&rnd, 1); + msleep((unsigned int)rnd); + + /* Don't try and take the semaphore until after someone has it */ + wait_event_interruptible(rwp->rw_waitq, + splat_locked_test(&rwp->rw_lock, rwp->rw_holders > 0)); + + splat_vprint(rwp->rw_file, rwt->rwt_name, + "%s trying to acquire rwlock (%d holding/%d waiting)\n", + rwt->rwt_thread->comm, rwp->rw_holders, rwp->rw_waiters); + spin_lock(&rwp->rw_lock); + rwp->rw_waiters++; + spin_unlock(&rwp->rw_lock); + rw_enter(&rwp->rw_rwlock, RW_READER); + + spin_lock(&rwp->rw_lock); + rwp->rw_waiters--; + rwp->rw_holders++; + spin_unlock(&rwp->rw_lock); + splat_vprint(rwp->rw_file, rwt->rwt_name, + "%s acquired rwlock (%d holding/%d waiting)\n", + rwt->rwt_thread->comm, rwp->rw_holders, rwp->rw_waiters); + + /* Wait for control thread to signal we can release the read lock */ + wait_event_interruptible(rwp->rw_waitq, splat_locked_test(&rwp->rw_lock, + rwp->rw_release == SPLAT_RWLOCK_RELEASE_RD)); + + spin_lock(&rwp->rw_lock); + rwp->rw_completed++; + rwp->rw_holders--; + spin_unlock(&rwp->rw_lock); + splat_vprint(rwp->rw_file, rwt->rwt_name, + "%s dropped rwlock (%d holding/%d waiting)\n", + rwt->rwt_thread->comm, rwp->rw_holders, rwp->rw_waiters); + + rw_exit(&rwp->rw_rwlock); + + return 0; +} + +static int +splat_rwlock_test1(struct file *file, void *arg) +{ + int i, count = 0, rc = 0; + rw_thr_t rwt[SPLAT_RWLOCK_TEST_COUNT]; + rw_priv_t *rwp; + + rwp = (rw_priv_t *)kmalloc(sizeof(*rwp), GFP_KERNEL); + if (rwp == NULL) + return -ENOMEM; + + splat_init_rw_priv(rwp, file); + + /* Create some threads, the exact number isn't important just as + * long as we know how many we managed to create and should expect. */ + for (i = 0; i < SPLAT_RWLOCK_TEST_COUNT; i++) { + rwt[i].rwt_rwp = rwp; + rwt[i].rwt_name = SPLAT_RWLOCK_TEST1_NAME; + + /* The first thread will be the writer */ + if (i == 0) + rwt[i].rwt_thread = spl_kthread_create(splat_rwlock_wr_thr, + &rwt[i], "%s/%d", SPLAT_RWLOCK_TEST_NAME, i); + else + rwt[i].rwt_thread = spl_kthread_create(splat_rwlock_rd_thr, + &rwt[i], "%s/%d", SPLAT_RWLOCK_TEST_NAME, i); + + if (!IS_ERR(rwt[i].rwt_thread)) { + wake_up_process(rwt[i].rwt_thread); + count++; + } + } + + /* Wait for the writer */ + while (splat_locked_test(&rwp->rw_lock, rwp->rw_holders == 0)) { + wake_up_interruptible(&rwp->rw_waitq); + msleep(100); + } + + /* Wait for 'count-1' readers */ + while (splat_locked_test(&rwp->rw_lock, rwp->rw_waiters < count - 1)) { + wake_up_interruptible(&rwp->rw_waitq); + msleep(100); + } + + /* Verify there is only one lock holder */ + if (splat_locked_test(&rwp->rw_lock, rwp->rw_holders) != 1) { + splat_vprint(file, SPLAT_RWLOCK_TEST1_NAME, "Only 1 holder " + "expected for rwlock (%d holding/%d waiting)\n", + rwp->rw_holders, rwp->rw_waiters); + rc = -EINVAL; + } + + /* Verify 'count-1' readers */ + if (splat_locked_test(&rwp->rw_lock, rwp->rw_waiters != count - 1)) { + splat_vprint(file, SPLAT_RWLOCK_TEST1_NAME, "Only %d waiters " + "expected for rwlock (%d holding/%d waiting)\n", + count - 1, rwp->rw_holders, rwp->rw_waiters); + rc = -EINVAL; + } + + /* Signal the writer to release, allows readers to acquire */ + spin_lock(&rwp->rw_lock); + rwp->rw_release = SPLAT_RWLOCK_RELEASE_WR; + wake_up_interruptible(&rwp->rw_waitq); + spin_unlock(&rwp->rw_lock); + + /* Wait for 'count-1' readers to hold the lock */ + while (splat_locked_test(&rwp->rw_lock, rwp->rw_holders < count - 1)) { + wake_up_interruptible(&rwp->rw_waitq); + msleep(100); + } + + /* Verify there are 'count-1' readers */ + if (splat_locked_test(&rwp->rw_lock, rwp->rw_holders != count - 1)) { + splat_vprint(file, SPLAT_RWLOCK_TEST1_NAME, "Only %d holders " + "expected for rwlock (%d holding/%d waiting)\n", + count - 1, rwp->rw_holders, rwp->rw_waiters); + rc = -EINVAL; + } + + /* Release 'count-1' readers */ + spin_lock(&rwp->rw_lock); + rwp->rw_release = SPLAT_RWLOCK_RELEASE_RD; + wake_up_interruptible(&rwp->rw_waitq); + spin_unlock(&rwp->rw_lock); + + /* Wait for the test to complete */ + while (splat_locked_test(&rwp->rw_lock, + rwp->rw_holders>0 || rwp->rw_waiters>0)) + msleep(100); + + rw_destroy(&(rwp->rw_rwlock)); + kfree(rwp); + + return rc; +} + +static void +splat_rwlock_test2_func(void *arg) +{ + rw_priv_t *rwp = (rw_priv_t *)arg; + int rc; + ASSERT(rwp->rw_magic == SPLAT_RWLOCK_TEST_MAGIC); + + /* Read the value before sleeping and write it after we wake up to + * maximize the chance of a race if rwlocks are not working properly */ + rw_enter(&rwp->rw_rwlock, RW_WRITER); + rc = rwp->rw_rc; + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ / 100); /* 1/100 of a second */ + VERIFY(rwp->rw_rc == rc); + rwp->rw_rc = rc + 1; + rw_exit(&rwp->rw_rwlock); +} + +static int +splat_rwlock_test2(struct file *file, void *arg) +{ + rw_priv_t *rwp; + taskq_t *tq; + int i, rc = 0, tq_count = 256; + + rwp = (rw_priv_t *)kmalloc(sizeof(*rwp), GFP_KERNEL); + if (rwp == NULL) + return -ENOMEM; + + splat_init_rw_priv(rwp, file); + + /* Create several threads allowing tasks to race with each other */ + tq = taskq_create(SPLAT_RWLOCK_TEST_TASKQ, num_online_cpus(), + defclsyspri, 50, INT_MAX, TASKQ_PREPOPULATE); + if (tq == NULL) { + rc = -ENOMEM; + goto out; + } + + /* + * Schedule N work items to the work queue each of which enters the + * writer rwlock, sleeps briefly, then exits the writer rwlock. On a + * multiprocessor box these work items will be handled by all available + * CPUs. The task function checks to ensure the tracked shared variable + * is always only incremented by one. Additionally, the rwlock itself + * is instrumented such that if any two processors are in the + * critical region at the same time the system will panic. If the + * rwlock is implemented right this will never happy, that's a pass. + */ + for (i = 0; i < tq_count; i++) { + if (!taskq_dispatch(tq,splat_rwlock_test2_func,rwp,TQ_SLEEP)) { + splat_vprint(file, SPLAT_RWLOCK_TEST2_NAME, + "Failed to queue task %d\n", i); + rc = -EINVAL; + } + } + + taskq_wait(tq); + + if (rwp->rw_rc == tq_count) { + splat_vprint(file, SPLAT_RWLOCK_TEST2_NAME, "%d racing threads " + "correctly entered/exited the rwlock %d times\n", + num_online_cpus(), rwp->rw_rc); + } else { + splat_vprint(file, SPLAT_RWLOCK_TEST2_NAME, "%d racing threads " + "only processed %d/%d w rwlock work items\n", + num_online_cpus(), rwp->rw_rc, tq_count); + rc = -EINVAL; + } + + taskq_destroy(tq); + rw_destroy(&(rwp->rw_rwlock)); +out: + kfree(rwp); + return rc; +} + +#define splat_rwlock_test3_helper(rwp,rex1,rex2,wex1,wex2,held_func,rc) \ +do { \ + int result, _rc1_, _rc2_, _rc3_, _rc4_; \ + \ + rc = 0; \ + rw_enter(&(rwp)->rw_rwlock, RW_READER); \ + _rc1_ = ((result = held_func(&(rwp)->rw_rwlock)) != rex1); \ + splat_vprint(file, SPLAT_RWLOCK_TEST3_NAME, "%s" #held_func \ + " returned %d (expected %d) when RW_READER\n", \ + _rc1_ ? "Fail " : "", result, rex1); \ + rw_exit(&(rwp)->rw_rwlock); \ + _rc2_ = ((result = held_func(&(rwp)->rw_rwlock)) != rex2); \ + splat_vprint(file, SPLAT_RWLOCK_TEST3_NAME, "%s" #held_func \ + " returned %d (expected %d) when !RW_READER\n", \ + _rc2_ ? "Fail " : "", result, rex2); \ + \ + rw_enter(&(rwp)->rw_rwlock, RW_WRITER); \ + _rc3_ = ((result = held_func(&(rwp)->rw_rwlock)) != wex1); \ + splat_vprint(file, SPLAT_RWLOCK_TEST3_NAME, "%s" #held_func \ + " returned %d (expected %d) when RW_WRITER\n", \ + _rc3_ ? "Fail " : "", result, wex1); \ + rw_exit(&(rwp)->rw_rwlock); \ + _rc4_ = ((result = held_func(&(rwp)->rw_rwlock)) != wex2); \ + splat_vprint(file, SPLAT_RWLOCK_TEST3_NAME, "%s" #held_func \ + " returned %d (expected %d) when !RW_WRITER\n", \ + _rc4_ ? "Fail " : "", result, wex2); \ + \ + rc = ((_rc1_ || _rc2_ || _rc3_ || _rc4_) ? -EINVAL : 0); \ +} while(0); + +static int +splat_rwlock_test3(struct file *file, void *arg) +{ + rw_priv_t *rwp; + int rc1, rc2, rc3; + + rwp = (rw_priv_t *)kmalloc(sizeof(*rwp), GFP_KERNEL); + if (rwp == NULL) + return -ENOMEM; + + splat_init_rw_priv(rwp, file); + + splat_rwlock_test3_helper(rwp, 1, 0, 1, 0, RW_LOCK_HELD, rc1); + splat_rwlock_test3_helper(rwp, 1, 0, 0, 0, RW_READ_HELD, rc2); + splat_rwlock_test3_helper(rwp, 0, 0, 1, 0, RW_WRITE_HELD, rc3); + + rw_destroy(&rwp->rw_rwlock); + kfree(rwp); + + return ((rc1 || rc2 || rc3) ? -EINVAL : 0); +} + +static void +splat_rwlock_test4_func(void *arg) +{ + rw_priv_t *rwp = (rw_priv_t *)arg; + ASSERT(rwp->rw_magic == SPLAT_RWLOCK_TEST_MAGIC); + + if (rw_tryenter(&rwp->rw_rwlock, rwp->rw_type)) { + rwp->rw_rc = 0; + rw_exit(&rwp->rw_rwlock); + } else { + rwp->rw_rc = -EBUSY; + } +} + +static char * +splat_rwlock_test4_name(krw_t type) +{ + switch (type) { + case RW_NONE: return "RW_NONE"; + case RW_WRITER: return "RW_WRITER"; + case RW_READER: return "RW_READER"; + } + + return NULL; +} + +static int +splat_rwlock_test4_type(taskq_t *tq, rw_priv_t *rwp, int expected_rc, + krw_t holder_type, krw_t try_type) +{ + int id, rc = 0; + + /* Schedule a task function which will try and acquire the rwlock + * using type try_type while the rwlock is being held as holder_type. + * The result must match expected_rc for the test to pass */ + rwp->rw_rc = -EINVAL; + rwp->rw_type = try_type; + + if (holder_type == RW_WRITER || holder_type == RW_READER) + rw_enter(&rwp->rw_rwlock, holder_type); + + id = taskq_dispatch(tq, splat_rwlock_test4_func, rwp, TQ_SLEEP); + if (id == 0) { + splat_vprint(rwp->rw_file, SPLAT_RWLOCK_TEST4_NAME, "%s", + "taskq_dispatch() failed\n"); + rc = -EINVAL; + goto out; + } + + taskq_wait_id(tq, id); + + if (rwp->rw_rc != expected_rc) + rc = -EINVAL; + + splat_vprint(rwp->rw_file, SPLAT_RWLOCK_TEST4_NAME, + "%srw_tryenter(%s) returned %d (expected %d) when %s\n", + rc ? "Fail " : "", splat_rwlock_test4_name(try_type), + rwp->rw_rc, expected_rc, + splat_rwlock_test4_name(holder_type)); +out: + if (holder_type == RW_WRITER || holder_type == RW_READER) + rw_exit(&rwp->rw_rwlock); + + return rc; +} + +static int +splat_rwlock_test4(struct file *file, void *arg) +{ + rw_priv_t *rwp; + taskq_t *tq; + int rc = 0, rc1, rc2, rc3, rc4, rc5, rc6; + + rwp = (rw_priv_t *)kmalloc(sizeof(*rwp), GFP_KERNEL); + if (rwp == NULL) + return -ENOMEM; + + tq = taskq_create(SPLAT_RWLOCK_TEST_TASKQ, 1, defclsyspri, + 50, INT_MAX, TASKQ_PREPOPULATE); + if (tq == NULL) { + rc = -ENOMEM; + goto out; + } + + splat_init_rw_priv(rwp, file); + + /* Validate all combinations of rw_tryenter() contention */ + rc1 = splat_rwlock_test4_type(tq, rwp, -EBUSY, RW_WRITER, RW_WRITER); + rc2 = splat_rwlock_test4_type(tq, rwp, -EBUSY, RW_WRITER, RW_READER); + rc3 = splat_rwlock_test4_type(tq, rwp, -EBUSY, RW_READER, RW_WRITER); + rc4 = splat_rwlock_test4_type(tq, rwp, 0, RW_READER, RW_READER); + rc5 = splat_rwlock_test4_type(tq, rwp, 0, RW_NONE, RW_WRITER); + rc6 = splat_rwlock_test4_type(tq, rwp, 0, RW_NONE, RW_READER); + + if (rc1 || rc2 || rc3 || rc4 || rc5 || rc6) + rc = -EINVAL; + + taskq_destroy(tq); +out: + rw_destroy(&(rwp->rw_rwlock)); + kfree(rwp); + + return rc; +} + +static int +splat_rwlock_test5(struct file *file, void *arg) +{ + rw_priv_t *rwp; + int rc = -EINVAL; + + rwp = (rw_priv_t *)kmalloc(sizeof(*rwp), GFP_KERNEL); + if (rwp == NULL) + return -ENOMEM; + + splat_init_rw_priv(rwp, file); + + rw_enter(&rwp->rw_rwlock, RW_WRITER); + if (!RW_WRITE_HELD(&rwp->rw_rwlock)) { + splat_vprint(file, SPLAT_RWLOCK_TEST5_NAME, + "rwlock should be write lock: %d\n", + RW_WRITE_HELD(&rwp->rw_rwlock)); + goto out; + } + + rw_downgrade(&rwp->rw_rwlock); + if (!RW_READ_HELD(&rwp->rw_rwlock)) { + splat_vprint(file, SPLAT_RWLOCK_TEST5_NAME, + "rwlock should be read lock: %d\n", + RW_READ_HELD(&rwp->rw_rwlock)); + goto out; + } + + rc = 0; + splat_vprint(file, SPLAT_RWLOCK_TEST5_NAME, "%s", + "rwlock properly downgraded\n"); +out: + rw_exit(&rwp->rw_rwlock); + rw_destroy(&rwp->rw_rwlock); + kfree(rwp); + + return rc; +} + +static int +splat_rwlock_test6(struct file *file, void *arg) +{ + rw_priv_t *rwp; + int rc; + + rwp = (rw_priv_t *)kmalloc(sizeof(*rwp), GFP_KERNEL); + if (rwp == NULL) + return -ENOMEM; + + splat_init_rw_priv(rwp, file); + + rw_enter(&rwp->rw_rwlock, RW_READER); + if (RWSEM_COUNT(SEM(&rwp->rw_rwlock)) != + SPL_RWSEM_SINGLE_READER_VALUE) { + splat_vprint(file, SPLAT_RWLOCK_TEST6_NAME, + "We assumed single reader rwsem->count " + "should be %ld, but is %ld\n", + (long int)SPL_RWSEM_SINGLE_READER_VALUE, + (long int)RWSEM_COUNT(SEM(&rwp->rw_rwlock))); + rc = -ENOLCK; + goto out; + } + rw_exit(&rwp->rw_rwlock); + + rw_enter(&rwp->rw_rwlock, RW_WRITER); + if (RWSEM_COUNT(SEM(&rwp->rw_rwlock)) != + SPL_RWSEM_SINGLE_WRITER_VALUE) { + splat_vprint(file, SPLAT_RWLOCK_TEST6_NAME, + "We assumed single writer rwsem->count " + "should be %ld, but is %ld\n", + (long int)SPL_RWSEM_SINGLE_WRITER_VALUE, + (long int)RWSEM_COUNT(SEM(&rwp->rw_rwlock))); + rc = -ENOLCK; + goto out; + } + rc = 0; + splat_vprint(file, SPLAT_RWLOCK_TEST6_NAME, "%s", + "rwsem->count same as we assumed\n"); +out: + rw_exit(&rwp->rw_rwlock); + rw_destroy(&rwp->rw_rwlock); + kfree(rwp); + + return rc; +} + +static int +splat_rwlock_test7(struct file *file, void *arg) +{ + rw_priv_t *rwp; + int rc; + + rwp = (rw_priv_t *)kmalloc(sizeof(*rwp), GFP_KERNEL); + if (rwp == NULL) + return -ENOMEM; + + splat_init_rw_priv(rwp, file); + + rw_enter(&rwp->rw_rwlock, RW_READER); + if (!RW_READ_HELD(&rwp->rw_rwlock)) { + splat_vprint(file, SPLAT_RWLOCK_TEST7_NAME, + "rwlock should be read lock: %d\n", + RW_READ_HELD(&rwp->rw_rwlock)); + rc = -ENOLCK; + goto out; + } + + /* With one reader upgrade should never fail. */ + rc = rw_tryupgrade(&rwp->rw_rwlock); + if (!rc) { + splat_vprint(file, SPLAT_RWLOCK_TEST7_NAME, + "rwlock failed upgrade from reader: %d\n", + RW_READ_HELD(&rwp->rw_rwlock)); + rc = -ENOLCK; + goto out; + } + + if (RW_READ_HELD(&rwp->rw_rwlock) || !RW_WRITE_HELD(&rwp->rw_rwlock)) { + splat_vprint(file, SPLAT_RWLOCK_TEST7_NAME, "rwlock should " + "have 0 (not %d) reader and 1 (not %d) writer\n", + RW_READ_HELD(&rwp->rw_rwlock), + RW_WRITE_HELD(&rwp->rw_rwlock)); + goto out; + } + + rc = 0; + splat_vprint(file, SPLAT_RWLOCK_TEST7_NAME, "%s", + "rwlock properly upgraded\n"); +out: + rw_exit(&rwp->rw_rwlock); + rw_destroy(&rwp->rw_rwlock); + kfree(rwp); + + return rc; +} + +splat_subsystem_t * +splat_rwlock_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_RWLOCK_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_RWLOCK_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_RWLOCK; + + SPLAT_TEST_INIT(sub, SPLAT_RWLOCK_TEST1_NAME, SPLAT_RWLOCK_TEST1_DESC, + SPLAT_RWLOCK_TEST1_ID, splat_rwlock_test1); + SPLAT_TEST_INIT(sub, SPLAT_RWLOCK_TEST2_NAME, SPLAT_RWLOCK_TEST2_DESC, + SPLAT_RWLOCK_TEST2_ID, splat_rwlock_test2); + SPLAT_TEST_INIT(sub, SPLAT_RWLOCK_TEST3_NAME, SPLAT_RWLOCK_TEST3_DESC, + SPLAT_RWLOCK_TEST3_ID, splat_rwlock_test3); + SPLAT_TEST_INIT(sub, SPLAT_RWLOCK_TEST4_NAME, SPLAT_RWLOCK_TEST4_DESC, + SPLAT_RWLOCK_TEST4_ID, splat_rwlock_test4); + SPLAT_TEST_INIT(sub, SPLAT_RWLOCK_TEST5_NAME, SPLAT_RWLOCK_TEST5_DESC, + SPLAT_RWLOCK_TEST5_ID, splat_rwlock_test5); + SPLAT_TEST_INIT(sub, SPLAT_RWLOCK_TEST6_NAME, SPLAT_RWLOCK_TEST6_DESC, + SPLAT_RWLOCK_TEST6_ID, splat_rwlock_test6); + SPLAT_TEST_INIT(sub, SPLAT_RWLOCK_TEST7_NAME, SPLAT_RWLOCK_TEST7_DESC, + SPLAT_RWLOCK_TEST7_ID, splat_rwlock_test7); + + return sub; +} + +void +splat_rwlock_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_RWLOCK_TEST7_ID); + SPLAT_TEST_FINI(sub, SPLAT_RWLOCK_TEST6_ID); + SPLAT_TEST_FINI(sub, SPLAT_RWLOCK_TEST5_ID); + SPLAT_TEST_FINI(sub, SPLAT_RWLOCK_TEST4_ID); + SPLAT_TEST_FINI(sub, SPLAT_RWLOCK_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_RWLOCK_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_RWLOCK_TEST1_ID); + kfree(sub); +} + +int +splat_rwlock_id(void) { + return SPLAT_SUBSYSTEM_RWLOCK; +} diff --git a/spl/module/splat/splat-taskq.c b/spl/module/splat/splat-taskq.c new file mode 100644 index 000000000000..8f06f413d5bc --- /dev/null +++ b/spl/module/splat/splat-taskq.c @@ -0,0 +1,1547 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Task Queue Tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_TASKQ_NAME "taskq" +#define SPLAT_TASKQ_DESC "Kernel Task Queue Tests" + +#define SPLAT_TASKQ_TEST1_ID 0x0201 +#define SPLAT_TASKQ_TEST1_NAME "single" +#define SPLAT_TASKQ_TEST1_DESC "Single task queue, single task" + +#define SPLAT_TASKQ_TEST2_ID 0x0202 +#define SPLAT_TASKQ_TEST2_NAME "multiple" +#define SPLAT_TASKQ_TEST2_DESC "Multiple task queues, multiple tasks" + +#define SPLAT_TASKQ_TEST3_ID 0x0203 +#define SPLAT_TASKQ_TEST3_NAME "system" +#define SPLAT_TASKQ_TEST3_DESC "System task queue, multiple tasks" + +#define SPLAT_TASKQ_TEST4_ID 0x0204 +#define SPLAT_TASKQ_TEST4_NAME "wait" +#define SPLAT_TASKQ_TEST4_DESC "Multiple task waiting" + +#define SPLAT_TASKQ_TEST5_ID 0x0205 +#define SPLAT_TASKQ_TEST5_NAME "order" +#define SPLAT_TASKQ_TEST5_DESC "Correct task ordering" + +#define SPLAT_TASKQ_TEST6_ID 0x0206 +#define SPLAT_TASKQ_TEST6_NAME "front" +#define SPLAT_TASKQ_TEST6_DESC "Correct ordering with TQ_FRONT flag" + +#define SPLAT_TASKQ_TEST7_ID 0x0207 +#define SPLAT_TASKQ_TEST7_NAME "recurse" +#define SPLAT_TASKQ_TEST7_DESC "Single task queue, recursive dispatch" + +#define SPLAT_TASKQ_TEST8_ID 0x0208 +#define SPLAT_TASKQ_TEST8_NAME "contention" +#define SPLAT_TASKQ_TEST8_DESC "1 queue, 100 threads, 131072 tasks" + +#define SPLAT_TASKQ_TEST9_ID 0x0209 +#define SPLAT_TASKQ_TEST9_NAME "delay" +#define SPLAT_TASKQ_TEST9_DESC "Delayed task execution" + +#define SPLAT_TASKQ_TEST10_ID 0x020a +#define SPLAT_TASKQ_TEST10_NAME "cancel" +#define SPLAT_TASKQ_TEST10_DESC "Cancel task execution" + +#define SPLAT_TASKQ_TEST11_ID 0x020b +#define SPLAT_TASKQ_TEST11_NAME "dynamic" +#define SPLAT_TASKQ_TEST11_DESC "Dynamic task queue thread creation" + +#define SPLAT_TASKQ_ORDER_MAX 8 +#define SPLAT_TASKQ_DEPTH_MAX 16 + + +typedef struct splat_taskq_arg { + int flag; + int id; + atomic_t *count; + int order[SPLAT_TASKQ_ORDER_MAX]; + unsigned int depth; + clock_t expire; + taskq_t *tq; + taskq_ent_t *tqe; + spinlock_t lock; + struct file *file; + const char *name; +} splat_taskq_arg_t; + +typedef struct splat_taskq_id { + int id; + splat_taskq_arg_t *arg; +} splat_taskq_id_t; + +/* + * Create a taskq, queue a task, wait until task completes, ensure + * task ran properly, cleanup taskq. + */ +static void +splat_taskq_test13_func(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + + ASSERT(tq_arg); + splat_vprint(tq_arg->file, SPLAT_TASKQ_TEST1_NAME, + "Taskq '%s' function '%s' setting flag\n", + tq_arg->name, sym2str(splat_taskq_test13_func)); + tq_arg->flag = 1; +} + +static int +splat_taskq_test1_impl(struct file *file, void *arg, boolean_t prealloc) +{ + taskq_t *tq; + taskqid_t id; + splat_taskq_arg_t tq_arg; + taskq_ent_t *tqe; + + tqe = kmem_alloc(sizeof (taskq_ent_t), KM_SLEEP); + taskq_init_ent(tqe); + + splat_vprint(file, SPLAT_TASKQ_TEST1_NAME, + "Taskq '%s' creating (%s dispatch)\n", + SPLAT_TASKQ_TEST1_NAME, + prealloc ? "prealloc" : "dynamic"); + if ((tq = taskq_create(SPLAT_TASKQ_TEST1_NAME, 1, defclsyspri, + 50, INT_MAX, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST1_NAME, + "Taskq '%s' create failed\n", + SPLAT_TASKQ_TEST1_NAME); + kmem_free(tqe, sizeof (taskq_ent_t)); + return -EINVAL; + } + + tq_arg.flag = 0; + tq_arg.id = 0; + tq_arg.file = file; + tq_arg.name = SPLAT_TASKQ_TEST1_NAME; + + splat_vprint(file, SPLAT_TASKQ_TEST1_NAME, + "Taskq '%s' function '%s' dispatching\n", + tq_arg.name, sym2str(splat_taskq_test13_func)); + if (prealloc) { + taskq_dispatch_ent(tq, splat_taskq_test13_func, + &tq_arg, TQ_SLEEP, tqe); + id = tqe->tqent_id; + } else { + id = taskq_dispatch(tq, splat_taskq_test13_func, + &tq_arg, TQ_SLEEP); + } + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST1_NAME, + "Taskq '%s' function '%s' dispatch failed\n", + tq_arg.name, sym2str(splat_taskq_test13_func)); + kmem_free(tqe, sizeof (taskq_ent_t)); + taskq_destroy(tq); + return -EINVAL; + } + + splat_vprint(file, SPLAT_TASKQ_TEST1_NAME, "Taskq '%s' waiting\n", + tq_arg.name); + taskq_wait(tq); + splat_vprint(file, SPLAT_TASKQ_TEST1_NAME, "Taskq '%s' destroying\n", + tq_arg.name); + + kmem_free(tqe, sizeof (taskq_ent_t)); + taskq_destroy(tq); + + return (tq_arg.flag) ? 0 : -EINVAL; +} + +static int +splat_taskq_test1(struct file *file, void *arg) +{ + int rc; + + rc = splat_taskq_test1_impl(file, arg, B_FALSE); + if (rc) + return rc; + + rc = splat_taskq_test1_impl(file, arg, B_TRUE); + + return rc; +} + +/* + * Create multiple taskq's, each with multiple tasks, wait until + * all tasks complete, ensure all tasks ran properly and in the + * correct order. Run order must be the same as the order submitted + * because we only have 1 thread per taskq. Finally cleanup the taskq. + */ +static void +splat_taskq_test2_func1(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + + ASSERT(tq_arg); + splat_vprint(tq_arg->file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' function '%s' flag = %d = %d * 2\n", + tq_arg->name, tq_arg->id, + sym2str(splat_taskq_test2_func1), + tq_arg->flag * 2, tq_arg->flag); + tq_arg->flag *= 2; +} + +static void +splat_taskq_test2_func2(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + + ASSERT(tq_arg); + splat_vprint(tq_arg->file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' function '%s' flag = %d = %d + 1\n", + tq_arg->name, tq_arg->id, + sym2str(splat_taskq_test2_func2), + tq_arg->flag + 1, tq_arg->flag); + tq_arg->flag += 1; +} + +#define TEST2_TASKQS 8 +#define TEST2_THREADS_PER_TASKQ 1 + +static int +splat_taskq_test2_impl(struct file *file, void *arg, boolean_t prealloc) { + taskq_t *tq[TEST2_TASKQS] = { NULL }; + taskqid_t id; + splat_taskq_arg_t *tq_args[TEST2_TASKQS] = { NULL }; + taskq_ent_t *func1_tqes = NULL; + taskq_ent_t *func2_tqes = NULL; + int i, rc = 0; + + func1_tqes = kmalloc(sizeof(*func1_tqes) * TEST2_TASKQS, GFP_KERNEL); + if (func1_tqes == NULL) { + rc = -ENOMEM; + goto out; + } + + func2_tqes = kmalloc(sizeof(*func2_tqes) * TEST2_TASKQS, GFP_KERNEL); + if (func2_tqes == NULL) { + rc = -ENOMEM; + goto out; + } + + for (i = 0; i < TEST2_TASKQS; i++) { + taskq_init_ent(&func1_tqes[i]); + taskq_init_ent(&func2_tqes[i]); + + tq_args[i] = kmalloc(sizeof (splat_taskq_arg_t), GFP_KERNEL); + if (tq_args[i] == NULL) { + rc = -ENOMEM; + break; + } + + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' creating (%s dispatch)\n", + SPLAT_TASKQ_TEST2_NAME, i, + prealloc ? "prealloc" : "dynamic"); + if ((tq[i] = taskq_create(SPLAT_TASKQ_TEST2_NAME, + TEST2_THREADS_PER_TASKQ, + defclsyspri, 50, INT_MAX, + TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' create failed\n", + SPLAT_TASKQ_TEST2_NAME, i); + rc = -EINVAL; + break; + } + + tq_args[i]->flag = i; + tq_args[i]->id = i; + tq_args[i]->file = file; + tq_args[i]->name = SPLAT_TASKQ_TEST2_NAME; + + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' function '%s' dispatching\n", + tq_args[i]->name, tq_args[i]->id, + sym2str(splat_taskq_test2_func1)); + if (prealloc) { + taskq_dispatch_ent(tq[i], splat_taskq_test2_func1, + tq_args[i], TQ_SLEEP, &func1_tqes[i]); + id = func1_tqes[i].tqent_id; + } else { + id = taskq_dispatch(tq[i], splat_taskq_test2_func1, + tq_args[i], TQ_SLEEP); + } + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' function '%s' dispatch " + "failed\n", tq_args[i]->name, tq_args[i]->id, + sym2str(splat_taskq_test2_func1)); + rc = -EINVAL; + break; + } + + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' function '%s' dispatching\n", + tq_args[i]->name, tq_args[i]->id, + sym2str(splat_taskq_test2_func2)); + if (prealloc) { + taskq_dispatch_ent(tq[i], splat_taskq_test2_func2, + tq_args[i], TQ_SLEEP, &func2_tqes[i]); + id = func2_tqes[i].tqent_id; + } else { + id = taskq_dispatch(tq[i], splat_taskq_test2_func2, + tq_args[i], TQ_SLEEP); + } + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, "Taskq " + "'%s/%d' function '%s' dispatch failed\n", + tq_args[i]->name, tq_args[i]->id, + sym2str(splat_taskq_test2_func2)); + rc = -EINVAL; + break; + } + } + + /* When rc is set we're effectively just doing cleanup here, so + * ignore new errors in that case. They just cause noise. */ + for (i = 0; i < TEST2_TASKQS; i++) { + if (tq_args[i] == NULL) + continue; + + if (tq[i] != NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' waiting\n", + tq_args[i]->name, tq_args[i]->id); + taskq_wait(tq[i]); + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d; destroying\n", + tq_args[i]->name, tq_args[i]->id); + + taskq_destroy(tq[i]); + + if (!rc && tq_args[i]->flag != ((i * 2) + 1)) { + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' processed tasks " + "out of order; %d != %d\n", + tq_args[i]->name, tq_args[i]->id, + tq_args[i]->flag, i * 2 + 1); + rc = -EINVAL; + } else { + splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, + "Taskq '%s/%d' processed tasks " + "in the correct order; %d == %d\n", + tq_args[i]->name, tq_args[i]->id, + tq_args[i]->flag, i * 2 + 1); + } + + kfree(tq_args[i]); + } + } +out: + if (func1_tqes) + kfree(func1_tqes); + + if (func2_tqes) + kfree(func2_tqes); + + return rc; +} + +static int +splat_taskq_test2(struct file *file, void *arg) { + int rc; + + rc = splat_taskq_test2_impl(file, arg, B_FALSE); + if (rc) + return rc; + + rc = splat_taskq_test2_impl(file, arg, B_TRUE); + + return rc; +} + +/* + * Use the global system task queue with a single task, wait until task + * completes, ensure task ran properly. + */ +static int +splat_taskq_test3_impl(struct file *file, void *arg, boolean_t prealloc) +{ + taskqid_t id; + splat_taskq_arg_t *tq_arg; + taskq_ent_t *tqe; + int error; + + tq_arg = kmem_alloc(sizeof (splat_taskq_arg_t), KM_SLEEP); + tqe = kmem_alloc(sizeof (taskq_ent_t), KM_SLEEP); + taskq_init_ent(tqe); + + tq_arg->flag = 0; + tq_arg->id = 0; + tq_arg->file = file; + tq_arg->name = SPLAT_TASKQ_TEST3_NAME; + + splat_vprint(file, SPLAT_TASKQ_TEST3_NAME, + "Taskq '%s' function '%s' %s dispatch\n", + tq_arg->name, sym2str(splat_taskq_test13_func), + prealloc ? "prealloc" : "dynamic"); + if (prealloc) { + taskq_dispatch_ent(system_taskq, splat_taskq_test13_func, + tq_arg, TQ_SLEEP, tqe); + id = tqe->tqent_id; + } else { + id = taskq_dispatch(system_taskq, splat_taskq_test13_func, + tq_arg, TQ_SLEEP); + } + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST3_NAME, + "Taskq '%s' function '%s' dispatch failed\n", + tq_arg->name, sym2str(splat_taskq_test13_func)); + kmem_free(tqe, sizeof (taskq_ent_t)); + kmem_free(tq_arg, sizeof (splat_taskq_arg_t)); + return -EINVAL; + } + + splat_vprint(file, SPLAT_TASKQ_TEST3_NAME, "Taskq '%s' waiting\n", + tq_arg->name); + taskq_wait(system_taskq); + + error = (tq_arg->flag) ? 0 : -EINVAL; + + kmem_free(tqe, sizeof (taskq_ent_t)); + kmem_free(tq_arg, sizeof (splat_taskq_arg_t)); + + return (error); +} + +static int +splat_taskq_test3(struct file *file, void *arg) +{ + int rc; + + rc = splat_taskq_test3_impl(file, arg, B_FALSE); + if (rc) + return rc; + + rc = splat_taskq_test3_impl(file, arg, B_TRUE); + + return rc; +} + +/* + * Create a taskq and dispatch a large number of tasks to the queue. + * Then use taskq_wait() to block until all the tasks complete, then + * cross check that all the tasks ran by checking the shared atomic + * counter which is incremented in the task function. + * + * First we try with a large 'maxalloc' value, then we try with a small one. + * We should not drop tasks when TQ_SLEEP is used in taskq_dispatch(), even + * if the number of pending tasks is above maxalloc. + */ +static void +splat_taskq_test4_func(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + ASSERT(tq_arg); + + atomic_inc(tq_arg->count); +} + +static int +splat_taskq_test4_common(struct file *file, void *arg, int minalloc, + int maxalloc, int nr_tasks, boolean_t prealloc) +{ + taskq_t *tq; + taskqid_t id; + splat_taskq_arg_t tq_arg; + taskq_ent_t *tqes; + atomic_t count; + int i, j, rc = 0; + + tqes = kmalloc(sizeof(*tqes) * nr_tasks, GFP_KERNEL); + if (tqes == NULL) + return -ENOMEM; + + splat_vprint(file, SPLAT_TASKQ_TEST4_NAME, + "Taskq '%s' creating (%s dispatch) (%d/%d/%d)\n", + SPLAT_TASKQ_TEST4_NAME, + prealloc ? "prealloc" : "dynamic", + minalloc, maxalloc, nr_tasks); + if ((tq = taskq_create(SPLAT_TASKQ_TEST4_NAME, 1, defclsyspri, + minalloc, maxalloc, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST4_NAME, + "Taskq '%s' create failed\n", + SPLAT_TASKQ_TEST4_NAME); + rc = -EINVAL; + goto out_free; + } + + tq_arg.file = file; + tq_arg.name = SPLAT_TASKQ_TEST4_NAME; + tq_arg.count = &count; + + for (i = 1; i <= nr_tasks; i *= 2) { + atomic_set(tq_arg.count, 0); + splat_vprint(file, SPLAT_TASKQ_TEST4_NAME, + "Taskq '%s' function '%s' dispatched %d times\n", + tq_arg.name, sym2str(splat_taskq_test4_func), i); + + for (j = 0; j < i; j++) { + taskq_init_ent(&tqes[j]); + + if (prealloc) { + taskq_dispatch_ent(tq, splat_taskq_test4_func, + &tq_arg, TQ_SLEEP, &tqes[j]); + id = tqes[j].tqent_id; + } else { + id = taskq_dispatch(tq, splat_taskq_test4_func, + &tq_arg, TQ_SLEEP); + } + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST4_NAME, + "Taskq '%s' function '%s' dispatch " + "%d failed\n", tq_arg.name, + sym2str(splat_taskq_test4_func), j); + rc = -EINVAL; + goto out; + } + } + + splat_vprint(file, SPLAT_TASKQ_TEST4_NAME, "Taskq '%s' " + "waiting for %d dispatches\n", tq_arg.name, i); + taskq_wait(tq); + splat_vprint(file, SPLAT_TASKQ_TEST4_NAME, "Taskq '%s' " + "%d/%d dispatches finished\n", tq_arg.name, + atomic_read(&count), i); + if (atomic_read(&count) != i) { + rc = -ERANGE; + goto out; + + } + } +out: + splat_vprint(file, SPLAT_TASKQ_TEST4_NAME, "Taskq '%s' destroying\n", + tq_arg.name); + taskq_destroy(tq); + +out_free: + kfree(tqes); + + return rc; +} + +static int +splat_taskq_test4_impl(struct file *file, void *arg, boolean_t prealloc) +{ + int rc; + + rc = splat_taskq_test4_common(file, arg, 50, INT_MAX, 1024, prealloc); + if (rc) + return rc; + + rc = splat_taskq_test4_common(file, arg, 1, 1, 32, prealloc); + + return rc; +} + +static int +splat_taskq_test4(struct file *file, void *arg) +{ + int rc; + + rc = splat_taskq_test4_impl(file, arg, B_FALSE); + if (rc) + return rc; + + rc = splat_taskq_test4_impl(file, arg, B_TRUE); + + return rc; +} + +/* + * Create a taskq and dispatch a specific sequence of tasks carefully + * crafted to validate the order in which tasks are processed. When + * there are multiple worker threads each thread will process the + * next pending task as soon as it completes its current task. This + * means that tasks do not strictly complete in order in which they + * were dispatched (increasing task id). This is fine but we need to + * verify taskq_wait_outstanding() blocks until the passed task id and + * all lower task ids complete. We do this by dispatching the following + * specific sequence of tasks each of which block for N time units. + * We then use taskq_wait_outstanding() to unblock at specific task id and + * verify the only the expected task ids have completed and in the + * correct order. The two cases of interest are: + * + * 1) Task ids larger than the waited for task id can run and + * complete as long as there is an available worker thread. + * 2) All task ids lower than the waited one must complete before + * unblocking even if the waited task id itself has completed. + * + * The following table shows each task id and how they will be + * scheduled. Each rows represent one time unit and each column + * one of the three worker threads. The places taskq_wait_outstanding() + * must unblock for a specific id are identified as well as the + * task ids which must have completed and their order. + * + * +-----+ <--- taskq_wait_outstanding(tq, 8) unblocks + * | | Required Completion Order: 1,2,4,5,3,8,6,7 + * +-----+ | + * | | | + * | | +-----+ + * | | | 8 | + * | | +-----+ <--- taskq_wait_outstanding(tq, 3) unblocks + * | | 7 | | Required Completion Order: 1,2,4,5,3 + * | +-----+ | + * | 6 | | | + * +-----+ | | + * | | 5 | | + * | +-----+ | + * | 4 | | | + * +-----+ | | + * | 1 | 2 | 3 | + * +-----+-----+-----+ + * + */ +static void +splat_taskq_test5_func(void *arg) +{ + splat_taskq_id_t *tq_id = (splat_taskq_id_t *)arg; + splat_taskq_arg_t *tq_arg = tq_id->arg; + int factor; + + /* Delays determined by above table */ + switch (tq_id->id) { + default: factor = 0; break; + case 1: case 8: factor = 1; break; + case 2: case 4: case 5: factor = 2; break; + case 6: case 7: factor = 4; break; + case 3: factor = 5; break; + } + + msleep(factor * 100); + splat_vprint(tq_arg->file, tq_arg->name, + "Taskqid %d complete for taskq '%s'\n", + tq_id->id, tq_arg->name); + + spin_lock(&tq_arg->lock); + tq_arg->order[tq_arg->flag] = tq_id->id; + tq_arg->flag++; + spin_unlock(&tq_arg->lock); +} + +static int +splat_taskq_test_order(splat_taskq_arg_t *tq_arg, int *order) +{ + int i, j; + + for (i = 0; i < SPLAT_TASKQ_ORDER_MAX; i++) { + if (tq_arg->order[i] != order[i]) { + splat_vprint(tq_arg->file, tq_arg->name, + "Taskq '%s' incorrect completion " + "order\n", tq_arg->name); + splat_vprint(tq_arg->file, tq_arg->name, + "%s", "Expected { "); + + for (j = 0; j < SPLAT_TASKQ_ORDER_MAX; j++) + splat_print(tq_arg->file, "%d ", order[j]); + + splat_print(tq_arg->file, "%s", "}\n"); + splat_vprint(tq_arg->file, tq_arg->name, + "%s", "Got { "); + + for (j = 0; j < SPLAT_TASKQ_ORDER_MAX; j++) + splat_print(tq_arg->file, "%d ", + tq_arg->order[j]); + + splat_print(tq_arg->file, "%s", "}\n"); + return -EILSEQ; + } + } + + splat_vprint(tq_arg->file, tq_arg->name, + "Taskq '%s' validated correct completion order\n", + tq_arg->name); + + return 0; +} + +static int +splat_taskq_test5_impl(struct file *file, void *arg, boolean_t prealloc) +{ + taskq_t *tq; + taskqid_t id; + splat_taskq_id_t tq_id[SPLAT_TASKQ_ORDER_MAX]; + splat_taskq_arg_t tq_arg; + int order1[SPLAT_TASKQ_ORDER_MAX] = { 1,2,4,5,3,0,0,0 }; + int order2[SPLAT_TASKQ_ORDER_MAX] = { 1,2,4,5,3,8,6,7 }; + taskq_ent_t *tqes; + int i, rc = 0; + + tqes = kmem_alloc(sizeof(*tqes) * SPLAT_TASKQ_ORDER_MAX, KM_SLEEP); + memset(tqes, 0, sizeof(*tqes) * SPLAT_TASKQ_ORDER_MAX); + + splat_vprint(file, SPLAT_TASKQ_TEST5_NAME, + "Taskq '%s' creating (%s dispatch)\n", + SPLAT_TASKQ_TEST5_NAME, + prealloc ? "prealloc" : "dynamic"); + if ((tq = taskq_create(SPLAT_TASKQ_TEST5_NAME, 3, defclsyspri, + 50, INT_MAX, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST5_NAME, + "Taskq '%s' create failed\n", + SPLAT_TASKQ_TEST5_NAME); + return -EINVAL; + } + + tq_arg.flag = 0; + memset(&tq_arg.order, 0, sizeof(int) * SPLAT_TASKQ_ORDER_MAX); + spin_lock_init(&tq_arg.lock); + tq_arg.file = file; + tq_arg.name = SPLAT_TASKQ_TEST5_NAME; + + for (i = 0; i < SPLAT_TASKQ_ORDER_MAX; i++) { + taskq_init_ent(&tqes[i]); + + tq_id[i].id = i + 1; + tq_id[i].arg = &tq_arg; + + if (prealloc) { + taskq_dispatch_ent(tq, splat_taskq_test5_func, + &tq_id[i], TQ_SLEEP, &tqes[i]); + id = tqes[i].tqent_id; + } else { + id = taskq_dispatch(tq, splat_taskq_test5_func, + &tq_id[i], TQ_SLEEP); + } + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST5_NAME, + "Taskq '%s' function '%s' dispatch failed\n", + tq_arg.name, sym2str(splat_taskq_test5_func)); + rc = -EINVAL; + goto out; + } + + if (tq_id[i].id != id) { + splat_vprint(file, SPLAT_TASKQ_TEST5_NAME, + "Taskq '%s' expected taskqid %d got %d\n", + tq_arg.name, (int)tq_id[i].id, (int)id); + rc = -EINVAL; + goto out; + } + } + + splat_vprint(file, SPLAT_TASKQ_TEST5_NAME, "Taskq '%s' " + "waiting for taskqid %d completion\n", tq_arg.name, 3); + taskq_wait_outstanding(tq, 3); + if ((rc = splat_taskq_test_order(&tq_arg, order1))) + goto out; + + splat_vprint(file, SPLAT_TASKQ_TEST5_NAME, "Taskq '%s' " + "waiting for taskqid %d completion\n", tq_arg.name, 8); + taskq_wait_outstanding(tq, 8); + rc = splat_taskq_test_order(&tq_arg, order2); + +out: + splat_vprint(file, SPLAT_TASKQ_TEST5_NAME, + "Taskq '%s' destroying\n", tq_arg.name); + taskq_destroy(tq); + + kmem_free(tqes, sizeof(*tqes) * SPLAT_TASKQ_ORDER_MAX); + + return rc; +} + +static int +splat_taskq_test5(struct file *file, void *arg) +{ + int rc; + + rc = splat_taskq_test5_impl(file, arg, B_FALSE); + if (rc) + return rc; + + rc = splat_taskq_test5_impl(file, arg, B_TRUE); + + return rc; +} + +/* + * Create a single task queue with three threads. Dispatch 8 tasks, + * setting TQ_FRONT on only the last three. Sleep after + * dispatching tasks 1-3 to ensure they will run and hold the threads + * busy while we dispatch the remaining tasks. Verify that tasks 6-8 + * run before task 4-5. + * + * The following table shows each task id and how they will be + * scheduled. Each rows represent one time unit and each column + * one of the three worker threads. + * + * NB: The Horizontal Line is the LAST Time unit consumed by the Task, + * and must be included in the factor calculation. + * T + * 17-> +-----+ + * 16 | T6 | + * 15-> +-----+ | + * 14 | T6 | | + * 13-> | | 5 +-----+ + * 12 | | | T6 | + * 11-> | +-----| | + * 10 | 4 | T6 | | + * 9-> +-----+ | 8 | + * 8 | T5 | | | + * 7-> | | 7 +-----+ + * 6 | | | T7 | + * 5-> | +-----+ | + * 4 | 6 | T5 | | + * 3-> +-----+ | | + * 2 | T3 | | | + * 1 | 1 | 2 | 3 | + * 0 +-----+-----+-----+ + * + */ +static void +splat_taskq_test6_func(void *arg) +{ + /* Delays determined by above table */ + static const int factor[SPLAT_TASKQ_ORDER_MAX+1] = {0,3,5,7,6,6,5,6,6}; + + splat_taskq_id_t *tq_id = (splat_taskq_id_t *)arg; + splat_taskq_arg_t *tq_arg = tq_id->arg; + + splat_vprint(tq_arg->file, tq_arg->name, + "Taskqid %d starting for taskq '%s'\n", + tq_id->id, tq_arg->name); + + if (tq_id->id < SPLAT_TASKQ_ORDER_MAX+1) { + msleep(factor[tq_id->id] * 50); + } + + spin_lock(&tq_arg->lock); + tq_arg->order[tq_arg->flag] = tq_id->id; + tq_arg->flag++; + spin_unlock(&tq_arg->lock); + + splat_vprint(tq_arg->file, tq_arg->name, + "Taskqid %d complete for taskq '%s'\n", + tq_id->id, tq_arg->name); +} + +static int +splat_taskq_test6_impl(struct file *file, void *arg, boolean_t prealloc) +{ + taskq_t *tq; + taskqid_t id; + splat_taskq_id_t tq_id[SPLAT_TASKQ_ORDER_MAX]; + splat_taskq_arg_t tq_arg; + int order[SPLAT_TASKQ_ORDER_MAX] = { 1,2,3,6,7,8,4,5 }; + taskq_ent_t *tqes; + int i, rc = 0; + uint_t tflags; + + tqes = kmem_alloc(sizeof(*tqes) * SPLAT_TASKQ_ORDER_MAX, KM_SLEEP); + memset(tqes, 0, sizeof(*tqes) * SPLAT_TASKQ_ORDER_MAX); + + splat_vprint(file, SPLAT_TASKQ_TEST6_NAME, + "Taskq '%s' creating (%s dispatch)\n", + SPLAT_TASKQ_TEST6_NAME, + prealloc ? "prealloc" : "dynamic"); + if ((tq = taskq_create(SPLAT_TASKQ_TEST6_NAME, 3, defclsyspri, + 50, INT_MAX, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST6_NAME, + "Taskq '%s' create failed\n", + SPLAT_TASKQ_TEST6_NAME); + return -EINVAL; + } + + tq_arg.flag = 0; + memset(&tq_arg.order, 0, sizeof(int) * SPLAT_TASKQ_ORDER_MAX); + spin_lock_init(&tq_arg.lock); + tq_arg.file = file; + tq_arg.name = SPLAT_TASKQ_TEST6_NAME; + + for (i = 0; i < SPLAT_TASKQ_ORDER_MAX; i++) { + taskq_init_ent(&tqes[i]); + + tq_id[i].id = i + 1; + tq_id[i].arg = &tq_arg; + tflags = TQ_SLEEP; + if (i > 4) + tflags |= TQ_FRONT; + + if (prealloc) { + taskq_dispatch_ent(tq, splat_taskq_test6_func, + &tq_id[i], tflags, &tqes[i]); + id = tqes[i].tqent_id; + } else { + id = taskq_dispatch(tq, splat_taskq_test6_func, + &tq_id[i], tflags); + } + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST6_NAME, + "Taskq '%s' function '%s' dispatch failed\n", + tq_arg.name, sym2str(splat_taskq_test6_func)); + rc = -EINVAL; + goto out; + } + + if (tq_id[i].id != id) { + splat_vprint(file, SPLAT_TASKQ_TEST6_NAME, + "Taskq '%s' expected taskqid %d got %d\n", + tq_arg.name, (int)tq_id[i].id, (int)id); + rc = -EINVAL; + goto out; + } + /* Sleep to let tasks 1-3 start executing. */ + if ( i == 2 ) + msleep(100); + } + + splat_vprint(file, SPLAT_TASKQ_TEST6_NAME, "Taskq '%s' " + "waiting for taskqid %d completion\n", tq_arg.name, + SPLAT_TASKQ_ORDER_MAX); + taskq_wait_outstanding(tq, SPLAT_TASKQ_ORDER_MAX); + rc = splat_taskq_test_order(&tq_arg, order); + +out: + splat_vprint(file, SPLAT_TASKQ_TEST6_NAME, + "Taskq '%s' destroying\n", tq_arg.name); + taskq_destroy(tq); + + kmem_free(tqes, sizeof(*tqes) * SPLAT_TASKQ_ORDER_MAX); + + return rc; +} + +static int +splat_taskq_test6(struct file *file, void *arg) +{ + int rc; + + rc = splat_taskq_test6_impl(file, arg, B_FALSE); + if (rc) + return rc; + + rc = splat_taskq_test6_impl(file, arg, B_TRUE); + + return rc; +} + +static void +splat_taskq_test7_func(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + taskqid_t id; + + ASSERT(tq_arg); + + if (tq_arg->depth >= SPLAT_TASKQ_DEPTH_MAX) + return; + + tq_arg->depth++; + + splat_vprint(tq_arg->file, SPLAT_TASKQ_TEST7_NAME, + "Taskq '%s' function '%s' dispatching (depth = %u)\n", + tq_arg->name, sym2str(splat_taskq_test7_func), + tq_arg->depth); + + if (tq_arg->tqe) { + VERIFY(taskq_empty_ent(tq_arg->tqe)); + taskq_dispatch_ent(tq_arg->tq, splat_taskq_test7_func, + tq_arg, TQ_SLEEP, tq_arg->tqe); + id = tq_arg->tqe->tqent_id; + } else { + id = taskq_dispatch(tq_arg->tq, splat_taskq_test7_func, + tq_arg, TQ_SLEEP); + } + + if (id == 0) { + splat_vprint(tq_arg->file, SPLAT_TASKQ_TEST7_NAME, + "Taskq '%s' function '%s' dispatch failed " + "(depth = %u)\n", tq_arg->name, + sym2str(splat_taskq_test7_func), tq_arg->depth); + tq_arg->flag = -EINVAL; + return; + } +} + +static int +splat_taskq_test7_impl(struct file *file, void *arg, boolean_t prealloc) +{ + taskq_t *tq; + splat_taskq_arg_t *tq_arg; + taskq_ent_t *tqe; + int error; + + splat_vprint(file, SPLAT_TASKQ_TEST7_NAME, + "Taskq '%s' creating (%s dispatch)\n", + SPLAT_TASKQ_TEST7_NAME, + prealloc ? "prealloc" : "dynamic"); + if ((tq = taskq_create(SPLAT_TASKQ_TEST7_NAME, 1, defclsyspri, + 50, INT_MAX, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST7_NAME, + "Taskq '%s' create failed\n", + SPLAT_TASKQ_TEST7_NAME); + return -EINVAL; + } + + tq_arg = kmem_alloc(sizeof (splat_taskq_arg_t), KM_SLEEP); + tqe = kmem_alloc(sizeof (taskq_ent_t), KM_SLEEP); + + tq_arg->depth = 0; + tq_arg->flag = 0; + tq_arg->id = 0; + tq_arg->file = file; + tq_arg->name = SPLAT_TASKQ_TEST7_NAME; + tq_arg->tq = tq; + + if (prealloc) { + taskq_init_ent(tqe); + tq_arg->tqe = tqe; + } else { + tq_arg->tqe = NULL; + } + + splat_taskq_test7_func(tq_arg); + + if (tq_arg->flag == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST7_NAME, + "Taskq '%s' waiting\n", tq_arg->name); + taskq_wait_outstanding(tq, SPLAT_TASKQ_DEPTH_MAX); + } + + error = (tq_arg->depth == SPLAT_TASKQ_DEPTH_MAX ? 0 : -EINVAL); + + kmem_free(tqe, sizeof (taskq_ent_t)); + kmem_free(tq_arg, sizeof (splat_taskq_arg_t)); + + splat_vprint(file, SPLAT_TASKQ_TEST7_NAME, + "Taskq '%s' destroying\n", tq_arg->name); + taskq_destroy(tq); + + return (error); +} + +static int +splat_taskq_test7(struct file *file, void *arg) +{ + int rc; + + rc = splat_taskq_test7_impl(file, arg, B_FALSE); + if (rc) + return (rc); + + rc = splat_taskq_test7_impl(file, arg, B_TRUE); + + return (rc); +} + +static void +splat_taskq_throughput_func(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + ASSERT(tq_arg); + + atomic_inc(tq_arg->count); +} + +static int +splat_taskq_throughput(struct file *file, void *arg, const char *name, + int nthreads, int minalloc, int maxalloc, int flags, int tasks, + struct timespec *delta) +{ + taskq_t *tq; + taskqid_t id; + splat_taskq_arg_t tq_arg; + taskq_ent_t **tqes; + atomic_t count; + struct timespec start, stop; + int i, j, rc = 0; + + tqes = vmalloc(sizeof (*tqes) * tasks); + if (tqes == NULL) + return (-ENOMEM); + + memset(tqes, 0, sizeof (*tqes) * tasks); + + splat_vprint(file, name, "Taskq '%s' creating (%d/%d/%d/%d)\n", + name, nthreads, minalloc, maxalloc, tasks); + if ((tq = taskq_create(name, nthreads, defclsyspri, + minalloc, maxalloc, flags)) == NULL) { + splat_vprint(file, name, "Taskq '%s' create failed\n", name); + rc = -EINVAL; + goto out_free; + } + + tq_arg.file = file; + tq_arg.name = name; + tq_arg.count = &count; + atomic_set(tq_arg.count, 0); + + getnstimeofday(&start); + + for (i = 0; i < tasks; i++) { + tqes[i] = kmalloc(sizeof (taskq_ent_t), GFP_KERNEL); + if (tqes[i] == NULL) { + rc = -ENOMEM; + goto out; + } + + taskq_init_ent(tqes[i]); + taskq_dispatch_ent(tq, splat_taskq_throughput_func, + &tq_arg, TQ_SLEEP, tqes[i]); + id = tqes[i]->tqent_id; + + if (id == 0) { + splat_vprint(file, name, "Taskq '%s' function '%s' " + "dispatch %d failed\n", tq_arg.name, + sym2str(splat_taskq_throughput_func), i); + rc = -EINVAL; + goto out; + } + } + + splat_vprint(file, name, "Taskq '%s' waiting for %d dispatches\n", + tq_arg.name, tasks); + + taskq_wait(tq); + + if (delta != NULL) { + getnstimeofday(&stop); + *delta = timespec_sub(stop, start); + } + + splat_vprint(file, name, "Taskq '%s' %d/%d dispatches finished\n", + tq_arg.name, atomic_read(tq_arg.count), tasks); + + if (atomic_read(tq_arg.count) != tasks) + rc = -ERANGE; + +out: + splat_vprint(file, name, "Taskq '%s' destroying\n", tq_arg.name); + taskq_destroy(tq); +out_free: + for (j = 0; j < tasks && tqes[j] != NULL; j++) + kfree(tqes[j]); + + vfree(tqes); + + return (rc); +} + +/* + * Create a taskq with 100 threads and dispatch a huge number of trivial + * tasks to generate contention on tq->tq_lock. This test should always + * pass. The purpose is to provide a benchmark for measuring the + * effectiveness of taskq optimizations. + */ +#define TEST8_NUM_TASKS 0x20000 +#define TEST8_THREADS_PER_TASKQ 100 + +static int +splat_taskq_test8(struct file *file, void *arg) +{ + return (splat_taskq_throughput(file, arg, + SPLAT_TASKQ_TEST8_NAME, TEST8_THREADS_PER_TASKQ, + 1, INT_MAX, TASKQ_PREPOPULATE, TEST8_NUM_TASKS, NULL)); +} + +/* + * Create a taskq and dispatch a number of delayed tasks to the queue. + * For each task verify that it was run no early than requested. + */ +static void +splat_taskq_test9_func(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + ASSERT(tq_arg); + + if (ddi_time_after_eq(ddi_get_lbolt(), tq_arg->expire)) + atomic_inc(tq_arg->count); + + kmem_free(tq_arg, sizeof(splat_taskq_arg_t)); +} + +static int +splat_taskq_test9(struct file *file, void *arg) +{ + taskq_t *tq; + atomic_t count; + int i, rc = 0; + int minalloc = 1; + int maxalloc = 10; + int nr_tasks = 100; + + splat_vprint(file, SPLAT_TASKQ_TEST9_NAME, + "Taskq '%s' creating (%s dispatch) (%d/%d/%d)\n", + SPLAT_TASKQ_TEST9_NAME, "delay", minalloc, maxalloc, nr_tasks); + if ((tq = taskq_create(SPLAT_TASKQ_TEST9_NAME, 3, defclsyspri, + minalloc, maxalloc, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST9_NAME, + "Taskq '%s' create failed\n", SPLAT_TASKQ_TEST9_NAME); + return -EINVAL; + } + + atomic_set(&count, 0); + + for (i = 1; i <= nr_tasks; i++) { + splat_taskq_arg_t *tq_arg; + taskqid_t id; + uint32_t rnd; + + /* A random timeout in jiffies of at most 5 seconds */ + get_random_bytes((void *)&rnd, 4); + rnd = rnd % (5 * HZ); + + tq_arg = kmem_alloc(sizeof(splat_taskq_arg_t), KM_SLEEP); + tq_arg->file = file; + tq_arg->name = SPLAT_TASKQ_TEST9_NAME; + tq_arg->expire = ddi_get_lbolt() + rnd; + tq_arg->count = &count; + + splat_vprint(file, SPLAT_TASKQ_TEST9_NAME, + "Taskq '%s' delay dispatch %u jiffies\n", + SPLAT_TASKQ_TEST9_NAME, rnd); + + id = taskq_dispatch_delay(tq, splat_taskq_test9_func, + tq_arg, TQ_SLEEP, ddi_get_lbolt() + rnd); + + if (id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST9_NAME, + "Taskq '%s' delay dispatch failed\n", + SPLAT_TASKQ_TEST9_NAME); + kmem_free(tq_arg, sizeof(splat_taskq_arg_t)); + taskq_wait(tq); + rc = -EINVAL; + goto out; + } + } + + splat_vprint(file, SPLAT_TASKQ_TEST9_NAME, "Taskq '%s' waiting for " + "%d delay dispatches\n", SPLAT_TASKQ_TEST9_NAME, nr_tasks); + + taskq_wait(tq); + if (atomic_read(&count) != nr_tasks) + rc = -ERANGE; + + splat_vprint(file, SPLAT_TASKQ_TEST9_NAME, "Taskq '%s' %d/%d delay " + "dispatches finished on time\n", SPLAT_TASKQ_TEST9_NAME, + atomic_read(&count), nr_tasks); + splat_vprint(file, SPLAT_TASKQ_TEST9_NAME, "Taskq '%s' destroying\n", + SPLAT_TASKQ_TEST9_NAME); +out: + taskq_destroy(tq); + + return rc; +} + +/* + * Create a taskq and dispatch then cancel tasks in the queue. + */ +static void +splat_taskq_test10_func(void *arg) +{ + splat_taskq_arg_t *tq_arg = (splat_taskq_arg_t *)arg; + uint8_t rnd; + + if (ddi_time_after_eq(ddi_get_lbolt(), tq_arg->expire)) + atomic_inc(tq_arg->count); + + /* Randomly sleep to further perturb the system */ + get_random_bytes((void *)&rnd, 1); + msleep(1 + (rnd % 9)); +} + +static int +splat_taskq_test10(struct file *file, void *arg) +{ + taskq_t *tq; + splat_taskq_arg_t **tqas; + atomic_t count; + int i, j, rc = 0; + int minalloc = 1; + int maxalloc = 10; + int nr_tasks = 100; + int canceled = 0; + int completed = 0; + int blocked = 0; + clock_t start, cancel; + + tqas = vmalloc(sizeof(*tqas) * nr_tasks); + if (tqas == NULL) + return -ENOMEM; + memset(tqas, 0, sizeof(*tqas) * nr_tasks); + + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, + "Taskq '%s' creating (%s dispatch) (%d/%d/%d)\n", + SPLAT_TASKQ_TEST10_NAME, "delay", minalloc, maxalloc, nr_tasks); + if ((tq = taskq_create(SPLAT_TASKQ_TEST10_NAME, 3, defclsyspri, + minalloc, maxalloc, TASKQ_PREPOPULATE)) == NULL) { + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, + "Taskq '%s' create failed\n", SPLAT_TASKQ_TEST10_NAME); + rc = -EINVAL; + goto out_free; + } + + atomic_set(&count, 0); + + for (i = 0; i < nr_tasks; i++) { + splat_taskq_arg_t *tq_arg; + uint32_t rnd; + + /* A random timeout in jiffies of at most 5 seconds */ + get_random_bytes((void *)&rnd, 4); + rnd = rnd % (5 * HZ); + + tq_arg = kmem_alloc(sizeof(splat_taskq_arg_t), KM_SLEEP); + tq_arg->file = file; + tq_arg->name = SPLAT_TASKQ_TEST10_NAME; + tq_arg->count = &count; + tqas[i] = tq_arg; + + /* + * Dispatch every 1/3 one immediately to mix it up, the cancel + * code is inherently racy and we want to try and provoke any + * subtle concurrently issues. + */ + if ((i % 3) == 0) { + tq_arg->expire = ddi_get_lbolt(); + tq_arg->id = taskq_dispatch(tq, splat_taskq_test10_func, + tq_arg, TQ_SLEEP); + } else { + tq_arg->expire = ddi_get_lbolt() + rnd; + tq_arg->id = taskq_dispatch_delay(tq, + splat_taskq_test10_func, + tq_arg, TQ_SLEEP, ddi_get_lbolt() + rnd); + } + + if (tq_arg->id == 0) { + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, + "Taskq '%s' dispatch failed\n", + SPLAT_TASKQ_TEST10_NAME); + kmem_free(tq_arg, sizeof(splat_taskq_arg_t)); + taskq_wait(tq); + rc = -EINVAL; + goto out; + } else { + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, + "Taskq '%s' dispatch %lu in %lu jiffies\n", + SPLAT_TASKQ_TEST10_NAME, (unsigned long)tq_arg->id, + !(i % 3) ? 0 : tq_arg->expire - ddi_get_lbolt()); + } + } + + /* + * Start randomly canceling tasks for the duration of the test. We + * happen to know the valid task id's will be in the range 1..nr_tasks + * because the taskq is private and was just created. However, we + * have no idea of a particular task has already executed or not. + */ + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, "Taskq '%s' randomly " + "canceling task ids\n", SPLAT_TASKQ_TEST10_NAME); + + start = ddi_get_lbolt(); + i = 0; + + while (ddi_time_before(ddi_get_lbolt(), start + 5 * HZ)) { + taskqid_t id; + uint32_t rnd; + + i++; + cancel = ddi_get_lbolt(); + get_random_bytes((void *)&rnd, 4); + id = 1 + (rnd % nr_tasks); + rc = taskq_cancel_id(tq, id); + + /* + * Keep track of the results of the random cancels. + */ + if (rc == 0) { + canceled++; + } else if (rc == ENOENT) { + completed++; + } else if (rc == EBUSY) { + blocked++; + } else { + rc = -EINVAL; + break; + } + + /* + * Verify we never get blocked to long in taskq_cancel_id(). + * The worst case is 10ms if we happen to cancel the task + * which is currently executing. We allow a factor of 2x. + */ + if (ddi_get_lbolt() - cancel > HZ / 50) { + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, + "Taskq '%s' cancel for %lu took %lu\n", + SPLAT_TASKQ_TEST10_NAME, (unsigned long)id, + ddi_get_lbolt() - cancel); + rc = -ETIMEDOUT; + break; + } + + get_random_bytes((void *)&rnd, 4); + msleep(1 + (rnd % 100)); + rc = 0; + } + + taskq_wait(tq); + + /* + * Cross check the results of taskq_cancel_id() with the number of + * times the dispatched function actually ran successfully. + */ + if ((rc == 0) && (nr_tasks - canceled != atomic_read(&count))) + rc = -EDOM; + + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, "Taskq '%s' %d attempts, " + "%d canceled, %d completed, %d blocked, %d/%d tasks run\n", + SPLAT_TASKQ_TEST10_NAME, i, canceled, completed, blocked, + atomic_read(&count), nr_tasks); + splat_vprint(file, SPLAT_TASKQ_TEST10_NAME, "Taskq '%s' destroying %d\n", + SPLAT_TASKQ_TEST10_NAME, rc); +out: + taskq_destroy(tq); +out_free: + for (j = 0; j < nr_tasks && tqas[j] != NULL; j++) + kmem_free(tqas[j], sizeof(splat_taskq_arg_t)); + vfree(tqas); + + return rc; +} + +/* + * Create a dynamic taskq with 100 threads and dispatch a huge number of + * trivial tasks. This will cause the taskq to grow quickly to its max + * thread count. This test should always pass. The purpose is to provide + * a benchmark for measuring the performance of dynamic taskqs. + */ +#define TEST11_NUM_TASKS 100000 +#define TEST11_THREADS_PER_TASKQ 100 + +static int +splat_taskq_test11(struct file *file, void *arg) +{ + struct timespec normal, dynamic; + int error; + + error = splat_taskq_throughput(file, arg, SPLAT_TASKQ_TEST11_NAME, + TEST11_THREADS_PER_TASKQ, 1, INT_MAX, + TASKQ_PREPOPULATE, TEST11_NUM_TASKS, &normal); + if (error) + return (error); + + error = splat_taskq_throughput(file, arg, SPLAT_TASKQ_TEST11_NAME, + TEST11_THREADS_PER_TASKQ, 1, INT_MAX, + TASKQ_PREPOPULATE | TASKQ_DYNAMIC, TEST11_NUM_TASKS, &dynamic); + if (error) + return (error); + + splat_vprint(file, SPLAT_TASKQ_TEST11_NAME, + "Timing taskq_wait(): normal=%ld.%09lds, dynamic=%ld.%09lds\n", + normal.tv_sec, normal.tv_nsec, + dynamic.tv_sec, dynamic.tv_nsec); + + /* A 10x increase in runtime is used to indicate a core problem. */ + if ((dynamic.tv_sec * NANOSEC + dynamic.tv_nsec) > + ((normal.tv_sec * NANOSEC + normal.tv_nsec) * 10)) + error = -ETIME; + + return (error); +} + +splat_subsystem_t * +splat_taskq_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_TASKQ_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_TASKQ_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_TASKQ; + + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST1_NAME, SPLAT_TASKQ_TEST1_DESC, + SPLAT_TASKQ_TEST1_ID, splat_taskq_test1); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST2_NAME, SPLAT_TASKQ_TEST2_DESC, + SPLAT_TASKQ_TEST2_ID, splat_taskq_test2); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST3_NAME, SPLAT_TASKQ_TEST3_DESC, + SPLAT_TASKQ_TEST3_ID, splat_taskq_test3); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST4_NAME, SPLAT_TASKQ_TEST4_DESC, + SPLAT_TASKQ_TEST4_ID, splat_taskq_test4); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST5_NAME, SPLAT_TASKQ_TEST5_DESC, + SPLAT_TASKQ_TEST5_ID, splat_taskq_test5); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST6_NAME, SPLAT_TASKQ_TEST6_DESC, + SPLAT_TASKQ_TEST6_ID, splat_taskq_test6); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST7_NAME, SPLAT_TASKQ_TEST7_DESC, + SPLAT_TASKQ_TEST7_ID, splat_taskq_test7); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST8_NAME, SPLAT_TASKQ_TEST8_DESC, + SPLAT_TASKQ_TEST8_ID, splat_taskq_test8); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST9_NAME, SPLAT_TASKQ_TEST9_DESC, + SPLAT_TASKQ_TEST9_ID, splat_taskq_test9); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST10_NAME, SPLAT_TASKQ_TEST10_DESC, + SPLAT_TASKQ_TEST10_ID, splat_taskq_test10); + SPLAT_TEST_INIT(sub, SPLAT_TASKQ_TEST11_NAME, SPLAT_TASKQ_TEST11_DESC, + SPLAT_TASKQ_TEST11_ID, splat_taskq_test11); + + return sub; +} + +void +splat_taskq_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST11_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST10_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST9_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST8_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST7_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST6_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST5_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST4_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_TASKQ_TEST1_ID); + + kfree(sub); +} + +int +splat_taskq_id(void) { + return SPLAT_SUBSYSTEM_TASKQ; +} diff --git a/spl/module/splat/splat-thread.c b/spl/module/splat/splat-thread.c new file mode 100644 index 000000000000..8a44714078d4 --- /dev/null +++ b/spl/module/splat/splat-thread.c @@ -0,0 +1,389 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Thread Tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_THREAD_NAME "thread" +#define SPLAT_THREAD_DESC "Kernel Thread Tests" + +#define SPLAT_THREAD_TEST1_ID 0x0601 +#define SPLAT_THREAD_TEST1_NAME "create" +#define SPLAT_THREAD_TEST1_DESC "Validate thread creation" + +#define SPLAT_THREAD_TEST2_ID 0x0602 +#define SPLAT_THREAD_TEST2_NAME "exit" +#define SPLAT_THREAD_TEST2_DESC "Validate thread exit" + +#define SPLAT_THREAD_TEST3_ID 0x6003 +#define SPLAT_THREAD_TEST3_NAME "tsd" +#define SPLAT_THREAD_TEST3_DESC "Validate thread specific data" + +#define SPLAT_THREAD_TEST_MAGIC 0x4488CC00UL +#define SPLAT_THREAD_TEST_KEYS 32 +#define SPLAT_THREAD_TEST_THREADS 16 + +typedef struct thread_priv { + unsigned long tp_magic; + struct file *tp_file; + spinlock_t tp_lock; + wait_queue_head_t tp_waitq; + uint_t tp_keys[SPLAT_THREAD_TEST_KEYS]; + int tp_rc; + int tp_count; + int tp_dtor_count; +} thread_priv_t; + +static int +splat_thread_rc(thread_priv_t *tp, int rc) +{ + int ret; + + spin_lock(&tp->tp_lock); + ret = (tp->tp_rc == rc); + spin_unlock(&tp->tp_lock); + + return ret; +} + +static int +splat_thread_count(thread_priv_t *tp, int count) +{ + int ret; + + spin_lock(&tp->tp_lock); + ret = (tp->tp_count == count); + spin_unlock(&tp->tp_lock); + + return ret; +} + +static void +splat_thread_work1(void *priv) +{ + thread_priv_t *tp = (thread_priv_t *)priv; + + spin_lock(&tp->tp_lock); + ASSERT(tp->tp_magic == SPLAT_THREAD_TEST_MAGIC); + tp->tp_rc = 1; + wake_up(&tp->tp_waitq); + spin_unlock(&tp->tp_lock); + + thread_exit(); +} + +static int +splat_thread_test1(struct file *file, void *arg) +{ + thread_priv_t tp; + kthread_t *thr; + + tp.tp_magic = SPLAT_THREAD_TEST_MAGIC; + tp.tp_file = file; + spin_lock_init(&tp.tp_lock); + init_waitqueue_head(&tp.tp_waitq); + tp.tp_rc = 0; + + thr = (kthread_t *)thread_create(NULL, 0, splat_thread_work1, &tp, 0, + &p0, TS_RUN, defclsyspri); + /* Must never fail under Solaris, but we check anyway since this + * can happen in the linux SPL, we may want to change this behavior */ + if (thr == NULL) + return -ESRCH; + + /* Sleep until the thread sets tp.tp_rc == 1 */ + wait_event(tp.tp_waitq, splat_thread_rc(&tp, 1)); + + splat_vprint(file, SPLAT_THREAD_TEST1_NAME, "%s", + "Thread successfully started properly\n"); + return 0; +} + +static void +splat_thread_work2(void *priv) +{ + thread_priv_t *tp = (thread_priv_t *)priv; + + spin_lock(&tp->tp_lock); + ASSERT(tp->tp_magic == SPLAT_THREAD_TEST_MAGIC); + tp->tp_rc = 1; + wake_up(&tp->tp_waitq); + spin_unlock(&tp->tp_lock); + + thread_exit(); + + /* The following code is unreachable when thread_exit() is + * working properly, which is exactly what we're testing */ + spin_lock(&tp->tp_lock); + tp->tp_rc = 2; + wake_up(&tp->tp_waitq); + spin_unlock(&tp->tp_lock); +} + +static int +splat_thread_test2(struct file *file, void *arg) +{ + thread_priv_t tp; + kthread_t *thr; + int rc = 0; + + tp.tp_magic = SPLAT_THREAD_TEST_MAGIC; + tp.tp_file = file; + spin_lock_init(&tp.tp_lock); + init_waitqueue_head(&tp.tp_waitq); + tp.tp_rc = 0; + + thr = (kthread_t *)thread_create(NULL, 0, splat_thread_work2, &tp, 0, + &p0, TS_RUN, defclsyspri); + /* Must never fail under Solaris, but we check anyway since this + * can happen in the linux SPL, we may want to change this behavior */ + if (thr == NULL) + return -ESRCH; + + /* Sleep until the thread sets tp.tp_rc == 1 */ + wait_event(tp.tp_waitq, splat_thread_rc(&tp, 1)); + + /* Sleep until the thread sets tp.tp_rc == 2, or until we hit + * the timeout. If thread exit is working properly we should + * hit the timeout and never see to.tp_rc == 2. */ + rc = wait_event_timeout(tp.tp_waitq, splat_thread_rc(&tp, 2), HZ / 10); + if (rc > 0) { + rc = -EINVAL; + splat_vprint(file, SPLAT_THREAD_TEST2_NAME, "%s", + "Thread did not exit properly at thread_exit()\n"); + } else { + splat_vprint(file, SPLAT_THREAD_TEST2_NAME, "%s", + "Thread successfully exited at thread_exit()\n"); + } + + return rc; +} + +static void +splat_thread_work3_common(thread_priv_t *tp) +{ + ulong_t rnd; + int i, rc = 0; + + /* set a unique value for each key using a random value */ + get_random_bytes((void *)&rnd, 4); + for (i = 0; i < SPLAT_THREAD_TEST_KEYS; i++) + tsd_set(tp->tp_keys[i], (void *)(i + rnd)); + + /* verify the unique value for each key */ + for (i = 0; i < SPLAT_THREAD_TEST_KEYS; i++) + if (tsd_get(tp->tp_keys[i]) != (void *)(i + rnd)) + rc = -EINVAL; + + /* set the value to thread_priv_t for use by the destructor */ + for (i = 0; i < SPLAT_THREAD_TEST_KEYS; i++) + tsd_set(tp->tp_keys[i], (void *)tp); + + spin_lock(&tp->tp_lock); + if (rc && !tp->tp_rc) + tp->tp_rc = rc; + + tp->tp_count++; + wake_up_all(&tp->tp_waitq); + spin_unlock(&tp->tp_lock); +} + +static void +splat_thread_work3_wait(void *priv) +{ + thread_priv_t *tp = (thread_priv_t *)priv; + + ASSERT(tp->tp_magic == SPLAT_THREAD_TEST_MAGIC); + splat_thread_work3_common(tp); + wait_event(tp->tp_waitq, splat_thread_count(tp, 0)); + thread_exit(); +} + +static void +splat_thread_work3_exit(void *priv) +{ + thread_priv_t *tp = (thread_priv_t *)priv; + + ASSERT(tp->tp_magic == SPLAT_THREAD_TEST_MAGIC); + splat_thread_work3_common(tp); + thread_exit(); +} + +static void +splat_thread_dtor3(void *priv) +{ + thread_priv_t *tp = (thread_priv_t *)priv; + + ASSERT(tp->tp_magic == SPLAT_THREAD_TEST_MAGIC); + spin_lock(&tp->tp_lock); + tp->tp_dtor_count++; + spin_unlock(&tp->tp_lock); +} + +/* + * Create threads which set and verify SPLAT_THREAD_TEST_KEYS number of + * keys. These threads may then exit by calling thread_exit() which calls + * tsd_exit() resulting in all their thread specific data being reclaimed. + * Alternately, the thread may block in which case the thread specific + * data will be reclaimed as part of tsd_destroy(). In either case all + * thread specific data must be reclaimed, this is verified by ensuring + * the registered destructor is called the correct number of times. + */ +static int +splat_thread_test3(struct file *file, void *arg) +{ + int i, rc = 0, expected, wait_count = 0, exit_count = 0; + thread_priv_t tp; + + tp.tp_magic = SPLAT_THREAD_TEST_MAGIC; + tp.tp_file = file; + spin_lock_init(&tp.tp_lock); + init_waitqueue_head(&tp.tp_waitq); + tp.tp_rc = 0; + tp.tp_count = 0; + tp.tp_dtor_count = 0; + + for (i = 0; i < SPLAT_THREAD_TEST_KEYS; i++) { + tp.tp_keys[i] = 0; + tsd_create(&tp.tp_keys[i], splat_thread_dtor3); + } + + /* Start tsd wait threads */ + for (i = 0; i < SPLAT_THREAD_TEST_THREADS; i++) { + if (thread_create(NULL, 0, splat_thread_work3_wait, + &tp, 0, &p0, TS_RUN, defclsyspri)) + wait_count++; + } + + /* All wait threads have setup their tsd and are blocking. */ + wait_event(tp.tp_waitq, splat_thread_count(&tp, wait_count)); + + if (tp.tp_dtor_count != 0) { + splat_vprint(file, SPLAT_THREAD_TEST3_NAME, + "Prematurely ran %d tsd destructors\n", tp.tp_dtor_count); + if (!rc) + rc = -ERANGE; + } + + /* Start tsd exit threads */ + for (i = 0; i < SPLAT_THREAD_TEST_THREADS; i++) { + if (thread_create(NULL, 0, splat_thread_work3_exit, + &tp, 0, &p0, TS_RUN, defclsyspri)) + exit_count++; + } + + /* All exit threads verified tsd and are in the process of exiting */ + wait_event(tp.tp_waitq,splat_thread_count(&tp, wait_count+exit_count)); + msleep(500); + + expected = (SPLAT_THREAD_TEST_KEYS * exit_count); + if (tp.tp_dtor_count != expected) { + splat_vprint(file, SPLAT_THREAD_TEST3_NAME, + "Expected %d exit tsd destructors but saw %d\n", + expected, tp.tp_dtor_count); + if (!rc) + rc = -ERANGE; + } + + /* Destroy all keys and associated tsd in blocked threads */ + for (i = 0; i < SPLAT_THREAD_TEST_KEYS; i++) + tsd_destroy(&tp.tp_keys[i]); + + expected = (SPLAT_THREAD_TEST_KEYS * (exit_count + wait_count)); + if (tp.tp_dtor_count != expected) { + splat_vprint(file, SPLAT_THREAD_TEST3_NAME, + "Expected %d wait+exit tsd destructors but saw %d\n", + expected, tp.tp_dtor_count); + if (!rc) + rc = -ERANGE; + } + + /* Release the remaining wait threads, sleep briefly while they exit */ + spin_lock(&tp.tp_lock); + tp.tp_count = 0; + wake_up_all(&tp.tp_waitq); + spin_unlock(&tp.tp_lock); + msleep(500); + + if (tp.tp_rc) { + splat_vprint(file, SPLAT_THREAD_TEST3_NAME, + "Thread tsd_get()/tsd_set() error %d\n", tp.tp_rc); + if (!rc) + rc = tp.tp_rc; + } else if (!rc) { + splat_vprint(file, SPLAT_THREAD_TEST3_NAME, "%s", + "Thread specific data verified\n"); + } + + return rc; +} + +splat_subsystem_t * +splat_thread_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_THREAD_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_THREAD_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_THREAD; + + SPLAT_TEST_INIT(sub, SPLAT_THREAD_TEST1_NAME, SPLAT_THREAD_TEST1_DESC, + SPLAT_THREAD_TEST1_ID, splat_thread_test1); + SPLAT_TEST_INIT(sub, SPLAT_THREAD_TEST2_NAME, SPLAT_THREAD_TEST2_DESC, + SPLAT_THREAD_TEST2_ID, splat_thread_test2); + SPLAT_TEST_INIT(sub, SPLAT_THREAD_TEST3_NAME, SPLAT_THREAD_TEST3_DESC, + SPLAT_THREAD_TEST3_ID, splat_thread_test3); + + return sub; +} + +void +splat_thread_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + SPLAT_TEST_FINI(sub, SPLAT_THREAD_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_THREAD_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_THREAD_TEST1_ID); + + kfree(sub); +} + +int +splat_thread_id(void) { + return SPLAT_SUBSYSTEM_THREAD; +} diff --git a/spl/module/splat/splat-time.c b/spl/module/splat/splat-time.c new file mode 100644 index 000000000000..b4e94c866244 --- /dev/null +++ b/spl/module/splat/splat-time.c @@ -0,0 +1,119 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Time Tests. +\*****************************************************************************/ + +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_TIME_NAME "time" +#define SPLAT_TIME_DESC "Kernel Time Tests" + +#define SPLAT_TIME_TEST1_ID 0x0801 +#define SPLAT_TIME_TEST1_NAME "time1" +#define SPLAT_TIME_TEST1_DESC "HZ Test" + +#define SPLAT_TIME_TEST2_ID 0x0802 +#define SPLAT_TIME_TEST2_NAME "time2" +#define SPLAT_TIME_TEST2_DESC "Monotonic Test" + +static int +splat_time_test1(struct file *file, void *arg) +{ + int myhz = hz; + splat_vprint(file, SPLAT_TIME_TEST1_NAME, "hz is %d\n", myhz); + return 0; +} + +static int +splat_time_test2(struct file *file, void *arg) +{ + hrtime_t tm1, tm2; + int i; + + tm1 = gethrtime(); + splat_vprint(file, SPLAT_TIME_TEST2_NAME, "time is %lld\n", tm1); + + for(i = 0; i < 100; i++) { + tm2 = gethrtime(); + splat_vprint(file, SPLAT_TIME_TEST2_NAME, "time is %lld\n", tm2); + + if(tm1 > tm2) { + splat_print(file, "%s: gethrtime() is not giving " + "monotonically increasing values\n", + SPLAT_TIME_TEST2_NAME); + return 1; + } + tm1 = tm2; + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(10); + } + + return 0; +} + +splat_subsystem_t * +splat_time_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_TIME_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_TIME_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_TIME; + + SPLAT_TEST_INIT(sub, SPLAT_TIME_TEST1_NAME, SPLAT_TIME_TEST1_DESC, + SPLAT_TIME_TEST1_ID, splat_time_test1); + SPLAT_TEST_INIT(sub, SPLAT_TIME_TEST2_NAME, SPLAT_TIME_TEST2_DESC, + SPLAT_TIME_TEST2_ID, splat_time_test2); + + return sub; +} + +void +splat_time_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_TIME_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_TIME_TEST1_ID); + + kfree(sub); +} + +int +splat_time_id(void) +{ + return SPLAT_SUBSYSTEM_TIME; +} diff --git a/spl/module/splat/splat-vnode.c b/spl/module/splat/splat-vnode.c new file mode 100644 index 000000000000..bffcf492ff5d --- /dev/null +++ b/spl/module/splat/splat-vnode.c @@ -0,0 +1,451 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Vnode Tests. +\*****************************************************************************/ + +#include +#include "splat-internal.h" + +#define SPLAT_VNODE_NAME "vnode" +#define SPLAT_VNODE_DESC "Kernel Vnode Tests" + +#define SPLAT_VNODE_TEST1_ID 0x0901 +#define SPLAT_VNODE_TEST1_NAME "vn_open" +#define SPLAT_VNODE_TEST1_DESC "Vn_open Test" + +#define SPLAT_VNODE_TEST2_ID 0x0902 +#define SPLAT_VNODE_TEST2_NAME "vn_openat" +#define SPLAT_VNODE_TEST2_DESC "Vn_openat Test" + +#define SPLAT_VNODE_TEST3_ID 0x0903 +#define SPLAT_VNODE_TEST3_NAME "vn_rdwr" +#define SPLAT_VNODE_TEST3_DESC "Vn_rdwrt Test" + +#define SPLAT_VNODE_TEST4_ID 0x0904 +#define SPLAT_VNODE_TEST4_NAME "vn_rename" +#define SPLAT_VNODE_TEST4_DESC "Vn_rename Test" + +#define SPLAT_VNODE_TEST5_ID 0x0905 +#define SPLAT_VNODE_TEST5_NAME "vn_getattr" +#define SPLAT_VNODE_TEST5_DESC "Vn_getattr Test" + +#define SPLAT_VNODE_TEST6_ID 0x0906 +#define SPLAT_VNODE_TEST6_NAME "vn_sync" +#define SPLAT_VNODE_TEST6_DESC "Vn_sync Test" + +#define SPLAT_VNODE_TEST_FILE "/etc/fstab" +#define SPLAT_VNODE_TEST_FILE_AT "etc/fstab" +#define SPLAT_VNODE_TEST_FILE_RW "/tmp/spl.vnode.tmp" +#define SPLAT_VNODE_TEST_FILE_RW1 "/tmp/spl.vnode.tmp.1" +#define SPLAT_VNODE_TEST_FILE_RW2 "/tmp/spl.vnode.tmp.2" + +static int +splat_vnode_user_cmd(struct file *file, void *arg, + char *name, char *cmd) +{ + char sh_path[] = "/bin/sh"; + char *argv[] = { sh_path, + "-c", + cmd, + NULL }; + char *envp[] = { "HOME=/", + "TERM=linux", + "PATH=/sbin:/usr/sbin:/bin:/usr/bin", + NULL }; + int rc; + + rc = call_usermodehelper(sh_path, argv, envp, UMH_WAIT_PROC); + if (rc) { + splat_vprint(file, name, + "Failed command: %s %s %s (%d)\n", + argv[0], argv[1], cmd, rc); + return -EPERM; + } + + return 0; +} + +static int +splat_vnode_unlink_all(struct file *file, void *arg, char *name) +{ + char *cmds[] = { "rm -f " SPLAT_VNODE_TEST_FILE_RW, + "rm -f " SPLAT_VNODE_TEST_FILE_RW1, + "rm -f " SPLAT_VNODE_TEST_FILE_RW2, + NULL }; + int i = 0, rc = 0; + + while (cmds[i] != NULL) { + if ((rc = splat_vnode_user_cmd(file, arg, name, cmds[i]))) + return rc; + + i++; + } + + return rc; +} + +static int +splat_vnode_test1(struct file *file, void *arg) +{ + vnode_t *vp; + int rc; + + if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE, + FREAD, 0644, &vp, 0, 0))) { + splat_vprint(file, SPLAT_VNODE_TEST1_NAME, + "Failed to vn_open test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE, rc); + return -rc; + } + + rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0); + + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST1_NAME, + "Failed to vn_close test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE, rc); + return -rc; + } + + splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully vn_open'ed " + "and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE); + + return -rc; +} /* splat_vnode_test1() */ + +static int +splat_vnode_test2(struct file *file, void *arg) +{ + vnode_t *vp; + int rc; + + if ((rc = vn_openat(SPLAT_VNODE_TEST_FILE_AT, UIO_SYSSPACE, + FREAD, 0644, &vp, 0, 0, rootdir, 0))) { + splat_vprint(file, SPLAT_VNODE_TEST2_NAME, + "Failed to vn_openat test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE, rc); + return -rc; + } + + rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0); + + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST2_NAME, + "Failed to vn_close test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE, rc); + return -rc; + } + + splat_vprint(file, SPLAT_VNODE_TEST2_NAME, "Successfully vn_openat'ed " + "and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE); + + return -rc; +} /* splat_vnode_test2() */ + +static int +splat_vnode_test3(struct file *file, void *arg) +{ + vnode_t *vp; + char buf1[32] = "SPL VNode Interface Test File\n"; + char buf2[32] = ""; + int rc; + + if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST3_NAME))) + return rc; + + if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, + FWRITE | FREAD | FCREAT | FEXCL, + 0644, &vp, 0, 0))) { + splat_vprint(file, SPLAT_VNODE_TEST3_NAME, + "Failed to vn_open test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW, rc); + return -rc; + } + + rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0, + UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST3_NAME, + "Failed vn_rdwr write of test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW, rc); + goto out; + } + + rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0, + UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST3_NAME, + "Failed vn_rdwr read of test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW, rc); + goto out; + } + + if (strncmp(buf1, buf2, strlen(buf1))) { + rc = EINVAL; + splat_vprint(file, SPLAT_VNODE_TEST3_NAME, + "Failed strncmp data written does not match " + "data read\nWrote: %sRead: %s\n", buf1, buf2); + goto out; + } + + rc = 0; + splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Wrote: %s", buf1); + splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Read: %s", buf2); + splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Successfully wrote and " + "read expected data pattern to test file: %s\n", + SPLAT_VNODE_TEST_FILE_RW); + +out: + VOP_CLOSE(vp, 0, 0, 0, 0, 0); + vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE); + + return -rc; +} /* splat_vnode_test3() */ + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,1,0) +static int +splat_vnode_test4(struct file *file, void *arg) +{ + vnode_t *vp; + char buf1[32] = "SPL VNode Interface Test File\n"; + char buf2[32] = ""; + int rc; + + if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST4_NAME))) + return rc; + + if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE, + FWRITE | FREAD | FCREAT | FEXCL, 0644, &vp, 0, 0))) { + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, + "Failed to vn_open test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW1, rc); + goto out; + } + + rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0, + UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, + "Failed vn_rdwr write of test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW1, rc); + goto out2; + } + + VOP_CLOSE(vp, 0, 0, 0, 0, 0); + + rc = vn_rename(SPLAT_VNODE_TEST_FILE_RW1,SPLAT_VNODE_TEST_FILE_RW2,0); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Failed vn_rename " + "%s -> %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW1, + SPLAT_VNODE_TEST_FILE_RW2, rc); + goto out; + } + + if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE, + FREAD | FEXCL, 0644, &vp, 0, 0))) { + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, + "Failed to vn_open test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW2, rc); + goto out; + } + + rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0, + UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, + "Failed vn_rdwr read of test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW2, rc); + goto out2; + } + + if (strncmp(buf1, buf2, strlen(buf1))) { + rc = EINVAL; + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, + "Failed strncmp data written does not match " + "data read\nWrote: %sRead: %s\n", buf1, buf2); + goto out2; + } + + rc = 0; + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Wrote to %s: %s", + SPLAT_VNODE_TEST_FILE_RW1, buf1); + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Read from %s: %s", + SPLAT_VNODE_TEST_FILE_RW2, buf2); + splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Successfully renamed " + "test file %s -> %s and verified data pattern\n", + SPLAT_VNODE_TEST_FILE_RW1, SPLAT_VNODE_TEST_FILE_RW2); +out2: + VOP_CLOSE(vp, 0, 0, 0, 0, 0); +out: + vn_remove(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE, RMFILE); + vn_remove(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE, RMFILE); + + return -rc; +} /* splat_vnode_test4() */ +#endif + +static int +splat_vnode_test5(struct file *file, void *arg) +{ + vnode_t *vp; + vattr_t vap; + int rc; + + if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE, + FREAD, 0644, &vp, 0, 0))) { + splat_vprint(file, SPLAT_VNODE_TEST5_NAME, + "Failed to vn_open test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE, rc); + return -rc; + } + + rc = VOP_GETATTR(vp, &vap, 0, 0, NULL); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST5_NAME, + "Failed to vn_getattr test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE, rc); + goto out; + } + + if (vap.va_type != VREG) { + rc = EINVAL; + splat_vprint(file, SPLAT_VNODE_TEST5_NAME, + "Failed expected regular file type " + "(%d != VREG): %s (%d)\n", vap.va_type, + SPLAT_VNODE_TEST_FILE, rc); + goto out; + } + + splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully " + "vn_getattr'ed test file: %s\n", SPLAT_VNODE_TEST_FILE); + +out: + VOP_CLOSE(vp, 0, 0, 0, 0, 0); + + return -rc; +} /* splat_vnode_test5() */ + +static int +splat_vnode_test6(struct file *file, void *arg) +{ + vnode_t *vp; + char buf[32] = "SPL VNode Interface Test File\n"; + int rc; + + if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST6_NAME))) + return rc; + + if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, + FWRITE | FCREAT | FEXCL, 0644, &vp, 0, 0))) { + splat_vprint(file, SPLAT_VNODE_TEST6_NAME, + "Failed to vn_open test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW, rc); + return -rc; + } + + rc = vn_rdwr(UIO_WRITE, vp, buf, strlen(buf), 0, + UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST6_NAME, + "Failed vn_rdwr write of test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW, rc); + goto out; + } + + rc = vn_fsync(vp, 0, 0, 0); + if (rc) { + splat_vprint(file, SPLAT_VNODE_TEST6_NAME, + "Failed vn_fsync of test file: %s (%d)\n", + SPLAT_VNODE_TEST_FILE_RW, rc); + goto out; + } + + rc = 0; + splat_vprint(file, SPLAT_VNODE_TEST6_NAME, "Successfully " + "fsync'ed test file %s\n", SPLAT_VNODE_TEST_FILE_RW); +out: + VOP_CLOSE(vp, 0, 0, 0, 0, 0); + vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE); + + return -rc; +} /* splat_vnode_test6() */ + +splat_subsystem_t * +splat_vnode_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_VNODE_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_VNODE_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_VNODE; + + SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST1_NAME, SPLAT_VNODE_TEST1_DESC, + SPLAT_VNODE_TEST1_ID, splat_vnode_test1); + SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST2_NAME, SPLAT_VNODE_TEST2_DESC, + SPLAT_VNODE_TEST2_ID, splat_vnode_test2); + SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST3_NAME, SPLAT_VNODE_TEST3_DESC, + SPLAT_VNODE_TEST3_ID, splat_vnode_test3); +#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,1,0) + SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST4_NAME, SPLAT_VNODE_TEST4_DESC, + SPLAT_VNODE_TEST4_ID, splat_vnode_test4); +#endif + SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST5_NAME, SPLAT_VNODE_TEST5_DESC, + SPLAT_VNODE_TEST5_ID, splat_vnode_test5); + SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST6_NAME, SPLAT_VNODE_TEST6_DESC, + SPLAT_VNODE_TEST6_ID, splat_vnode_test6); + + return sub; +} /* splat_vnode_init() */ + +void +splat_vnode_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST6_ID); + SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST5_ID); +#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,1,0) + SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST4_ID); +#endif + SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST3_ID); + SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST2_ID); + SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST1_ID); + + kfree(sub); +} /* splat_vnode_fini() */ + +int +splat_vnode_id(void) +{ + return SPLAT_SUBSYSTEM_VNODE; +} /* splat_vnode_id() */ diff --git a/spl/module/splat/splat-zlib.c b/spl/module/splat/splat-zlib.c new file mode 100644 index 000000000000..eaa48369db90 --- /dev/null +++ b/spl/module/splat/splat-zlib.c @@ -0,0 +1,166 @@ +/*****************************************************************************\ + * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. + * Copyright (C) 2007 The Regents of the University of California. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see . + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see . + ***************************************************************************** + * Solaris Porting LAyer Tests (SPLAT) Zlib Compression Tests. +\*****************************************************************************/ + +#include +#include +#include +#include +#include "splat-internal.h" + +#define SPLAT_ZLIB_NAME "zlib" +#define SPLAT_ZLIB_DESC "Zlib Compression Tests" + +#define SPLAT_ZLIB_TEST1_ID 0x0f01 +#define SPLAT_ZLIB_TEST1_NAME "compress/uncompress" +#define SPLAT_ZLIB_TEST1_DESC "Compress/Uncompress Test" + +#define BUFFER_SIZE (128 * 1024) + +static int +splat_zlib_test1_check(struct file *file, void *src, void *dst, void *chk, + int level) +{ + size_t dst_len = BUFFER_SIZE; + size_t chk_len = BUFFER_SIZE; + int rc; + + memset(dst, 0, BUFFER_SIZE); + memset(chk, 0, BUFFER_SIZE); + + rc = z_compress_level(dst, &dst_len, src, BUFFER_SIZE, level); + if (rc != Z_OK) { + splat_vprint(file, SPLAT_ZLIB_TEST1_NAME, + "Failed level %d z_compress_level(), %d\n", level, rc); + return -EINVAL; + } + + rc = z_uncompress(chk, &chk_len, dst, dst_len); + if (rc != Z_OK) { + splat_vprint(file, SPLAT_ZLIB_TEST1_NAME, + "Failed level %d z_uncompress(), %d\n", level, rc); + return -EINVAL; + } + + rc = memcmp(src, chk, BUFFER_SIZE); + if (rc) { + splat_vprint(file, SPLAT_ZLIB_TEST1_NAME, + "Failed level %d memcmp()), %d\n", level, rc); + return -EINVAL; + } + + splat_vprint(file, SPLAT_ZLIB_TEST1_NAME, + "Passed level %d, compressed %d bytes to %d bytes\n", + level, BUFFER_SIZE, (int)dst_len); + + return 0; +} + +/* + * Compress a buffer, uncompress the newly compressed buffer, then + * compare it to the original. Do this for all 9 compression levels. + */ +static int +splat_zlib_test1(struct file *file, void *arg) +{ + void *src = NULL, *dst = NULL, *chk = NULL; + int i, rc, level; + + src = vmalloc(BUFFER_SIZE); + if (src == NULL) { + rc = -ENOMEM; + goto out; + } + + dst = vmalloc(BUFFER_SIZE); + if (dst == NULL) { + rc = -ENOMEM; + goto out; + } + + chk = vmalloc(BUFFER_SIZE); + if (chk == NULL) { + rc = -ENOMEM; + goto out; + } + + /* Source buffer is a repeating 1024 byte random pattern. */ + random_get_pseudo_bytes(src, sizeof(uint8_t) * 1024); + for (i = 1; i < 128; i++) + memcpy(src + (i * 1024), src, 1024); + + for (level = 1; level <= 9; level++) + if ((rc = splat_zlib_test1_check(file, src, dst, chk, level))) + break; +out: + if (src) + vfree(src); + + if (dst) + vfree(dst); + + if (chk) + vfree(chk); + + return rc; +} + +splat_subsystem_t * +splat_zlib_init(void) +{ + splat_subsystem_t *sub; + + sub = kmalloc(sizeof(*sub), GFP_KERNEL); + if (sub == NULL) + return NULL; + + memset(sub, 0, sizeof(*sub)); + strncpy(sub->desc.name, SPLAT_ZLIB_NAME, SPLAT_NAME_SIZE); + strncpy(sub->desc.desc, SPLAT_ZLIB_DESC, SPLAT_DESC_SIZE); + INIT_LIST_HEAD(&sub->subsystem_list); + INIT_LIST_HEAD(&sub->test_list); + spin_lock_init(&sub->test_lock); + sub->desc.id = SPLAT_SUBSYSTEM_ZLIB; + + SPLAT_TEST_INIT(sub, SPLAT_ZLIB_TEST1_NAME, SPLAT_ZLIB_TEST1_DESC, + SPLAT_ZLIB_TEST1_ID, splat_zlib_test1); + + return sub; +} + +void +splat_zlib_fini(splat_subsystem_t *sub) +{ + ASSERT(sub); + + SPLAT_TEST_FINI(sub, SPLAT_ZLIB_TEST1_ID); + + kfree(sub); +} + +int +splat_zlib_id(void) { + return SPLAT_SUBSYSTEM_ZLIB; +} diff --git a/spl/rpm/Makefile.am b/spl/rpm/Makefile.am new file mode 100644 index 000000000000..f2cf72cef13c --- /dev/null +++ b/spl/rpm/Makefile.am @@ -0,0 +1 @@ +SUBDIRS = generic redhat diff --git a/spl/rpm/Makefile.in b/spl/rpm/Makefile.in new file mode 100644 index 000000000000..28c3448c4f23 --- /dev/null +++ b/spl/rpm/Makefile.in @@ -0,0 +1,673 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/rpm/generic/spl-dkms.spec.in b/spl/rpm/generic/spl-dkms.spec.in new file mode 100644 index 000000000000..949660ebc024 --- /dev/null +++ b/spl/rpm/generic/spl-dkms.spec.in @@ -0,0 +1,71 @@ +%{?!packager: %define packager Brian Behlendorf } + +%define module @PACKAGE@ +%define mkconf scripts/dkms.mkconf + +Name: %{module}-dkms + +Version: @VERSION@ +Release: @RELEASE@%{?dist} +Summary: Kernel module(s) (dkms) + +Group: System Environment/Kernel +License: GPLv2+ +URL: http://zfsonlinux.org/ +Source0: %{module}-%{version}.tar.gz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) +BuildArch: noarch + +Requires: dkms >= 2.2.0.2 +Requires: gcc, make, perl +Requires: kernel-devel +Provides: %{module}-kmod = %{version} + +%description +This package contains the dkms kernel modules required to emulate +several interfaces provided by the Solaris kernel. + +%prep +%setup -q -n %{module}-%{version} + +%build +%{mkconf} -n %{module} -v %{version} -f dkms.conf + +%install +if [ "$RPM_BUILD_ROOT" != "/" ]; then + rm -rf $RPM_BUILD_ROOT +fi +mkdir -p $RPM_BUILD_ROOT/usr/src/ +cp -rf ${RPM_BUILD_DIR}/%{module}-%{version} $RPM_BUILD_ROOT/usr/src/ + +%clean +if [ "$RPM_BUILD_ROOT" != "/" ]; then + rm -rf $RPM_BUILD_ROOT +fi + +%files +%defattr(-,root,root) +/usr/src/%{module}-%{version} + +%post +for POSTINST in /usr/lib/dkms/common.postinst; do + if [ -f $POSTINST ]; then + $POSTINST %{module} %{version} + exit $? + fi + echo "WARNING: $POSTINST does not exist." +done +echo -e "ERROR: DKMS version is too old and %{module} was not" +echo -e "built with legacy DKMS support." +echo -e "You must either rebuild %{module} with legacy postinst" +echo -e "support or upgrade DKMS to a more current version." +exit 1 + +%preun +echo -e "Uninstall of %{module} module (version %{version}) beginning:" +dkms remove -m %{module} -v %{version} --all --rpm_safe_upgrade +exit 0 + +%changelog +* %(date "+%a %b %d %Y") %packager %{version}-%{release} +- Automatic build by DKMS diff --git a/spl/rpm/generic/spl-kmod.spec.in b/spl/rpm/generic/spl-kmod.spec.in new file mode 100644 index 000000000000..eb2dc0468696 --- /dev/null +++ b/spl/rpm/generic/spl-kmod.spec.in @@ -0,0 +1,223 @@ +%define module @PACKAGE@ +#define repo rpmfusion +#define repo chaos + +# (un)define the next line to either build for the newest or all current kernels +%define buildforkernels newest +#define buildforkernels current +#define buildforkernels akmod + +%bcond_with debug +%bcond_with debug_log +%bcond_with debug_kmem +%bcond_with debug_kmem_tracking +%bcond_with atomic_spinlocks + + +Name: %{module}-kmod + +Version: @VERSION@ +Release: @RELEASE@%{?dist} +Summary: Kernel module(s) + +Group: System Environment/Kernel +License: GPLv2+ +URL: http://zfsonlinux.org/ +Source0: %{module}-%{version}.tar.gz +Source10: kmodtool +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id} -u -n) + +# The developments headers will conflict with the dkms packages. +Conflicts: %{module}-dkms + +%if %{defined repo} + +# Building for a repository use the proper build-sysbuild package +# to determine which kernel-devel packages should be installed. +BuildRequires: %{_bindir}/kmodtool +%{!?kernels:BuildRequires: buildsys-build-%{repo}-kerneldevpkgs-%{?buildforkernels:%{buildforkernels}}%{!?buildforkernels:current}-%{_target_cpu}} + +%else + +# Building local packages attempt to to use the installed kernel. +%{?rhel:BuildRequires: kernel-devel} +%{?fedora:BuildRequires: kernel-devel} +%{?suse_version:BuildRequires: kernel-source} + +%if !%{defined kernels} && !%{defined build_src_rpm} + %if 0%{?rhel}%{?fedora}%{?suse_version} + %define kernels %(ls -1 /usr/src/kernels) + %else + %define kernels %(ls -1 /lib/modules) + %endif +%endif +%endif + +%if 0%{?fedora} >= 17 +%define prefix /usr +%endif + +# Kmodtool does its magic here. A patched version of kmodtool is shipped +# because the latest versions may not be available for your distribution. +# https://bugzilla.rpmfusion.org/show_bug.cgi?id=2714 +%{expand:%(bash %{SOURCE10} --target %{_target_cpu} %{?repo:--repo %{?repo}} --kmodname %{name} %{?buildforkernels:--%{buildforkernels}} --devel %{?prefix:--prefix "%{?prefix}"} %{?kernels:--for-kernels "%{?kernels}"} %{?kernelbuildroot:--buildroot "%{?kernelbuildroot}"} 2>/dev/null) } + + +%description +This package contains the kernel modules required to emulate +several interfaces provided by the Solaris kernel. + +%prep +# Error out if there was something wrong with kmodtool. +%{?kmodtool_check} + +# Print kmodtool output for debugging purposes: +bash %{SOURCE10} --target %{_target_cpu} %{?repo:--repo %{?repo}} --kmodname %{name} %{?buildforkernels:--%{buildforkernels}} --devel %{?prefix:--prefix "%{?prefix}"} %{?kernels:--for-kernels "%{?kernels}"} %{?kernelbuildroot:--buildroot "%{?kernelbuildroot}"} 2>/dev/null + +%if %{with debug} + %define debug --enable-debug +%else + %define debug --disable-debug +%endif + +%if %{with debug_log} + %define debug_log --enable-debug-log +%else + %define debug_log --disable-debug-log +%endif + +%if %{with debug_kmem} + %define debug_kmem --enable-debug-kmem +%else + %define debug_kmem --disable-debug-kmem +%endif + +%if %{with debug_kmem_tracking} + %define debug_kmem_tracking --enable-debug-kmem-tracking +%else + %define debug_kmem_tracking --disable-debug-kmem-tracking +%endif + +%if %{with atomic_spinlocks} + %define atomic_spinlocks --enable-atomic-spinlocks +%else + %define atomic_spinlocks --disable-atomic-spinlocks +%endif + +# Leverage VPATH from configure to avoid making multiple copies. +%define _configure ../%{module}-%{version}/configure + +%setup -q -c -T -a 0 + +for kernel_version in %{?kernel_versions}; do + %{__mkdir} _kmod_build_${kernel_version%%___*} +done + +%build +for kernel_version in %{?kernel_versions}; do + cd _kmod_build_${kernel_version%%___*} + %configure \ + --with-config=kernel \ +%if 0%{?rhel}%{?fedora} + --with-linux="${kernel_version##*___}" \ + --with-linux-obj="${kernel_version##*___}" \ +%else + --with-linux="$( \ + if [ -e "/lib/modules/${kernel_version%%___*}/source" ]; then \ + echo "/lib/modules/${kernel_version%%___*}/source"; \ + else \ + echo "/lib/modules/${kernel_version%%___*}/build"; \ + fi)" \ + --with-linux-obj="/lib/modules/${kernel_version%%___*}/build" \ +%endif + %{debug} \ + %{debug_log} \ + %{debug_kmem} \ + %{debug_kmem_tracking} \ + %{atomic_spinlocks} + make %{?_smp_mflags} + cd .. +done + + +%install +rm -rf ${RPM_BUILD_ROOT} + +# Relies on the kernel 'modules_install' make target. +for kernel_version in %{?kernel_versions}; do + cd _kmod_build_${kernel_version%%___*} + make install \ + DESTDIR=${RPM_BUILD_ROOT} \ + %{?prefix:INSTALL_MOD_PATH=%{?prefix}} \ + INSTALL_MOD_DIR=%{kmodinstdir_postfix} + cd .. +done + +# find-debuginfo.sh only considers executables +chmod u+x ${RPM_BUILD_ROOT}%{kmodinstdir_prefix}/*/extra/*/*/* +%{?akmod_install} + + +%clean +rm -rf $RPM_BUILD_ROOT + +%changelog +* Fri Feb 3 2017 Brian Behlendorf - 0.6.5.9-1 +- Use kernel slab for vn_cache and vn_file_cache zfsonlinux/spl#599 +- Fix splat-cred.c cred usage zfsonlinux/spl#556 +- Fix splat memleak zfsonlinux/spl#590 +- Fix p0 initializer zfsonlinux/spl#576 +- Fix aarch64 type warning zfsonlinux/spl#574 +- Linux 4.8 compat: Fix RW_READ_HELD zfsonlinux/zfs#5233 +- Linux 4.9 compat: group_info changes zfsonlinux/spl#581 +- Fix crgetgroups out-of-bound and misc cred fix zfsonlinux/spl#556 +* Fri Sep 9 2016 Ned Bass - 0.6.5.8-1 +- Fix HAVE_MUTEX_OWNER test for kernels prior to 4.6 zfsonlinux/spl#566 +- Add handling for kernel 4.7's CONFIG_TRIM_UNUSED_KSYMS zfsonlinux/spl#565 +- Linux 4.8 compat: rw_semaphore atomic_long_t count zfsonlinux/spl#563 +- Implement a proper rw_tryupgrade zfsonlinux/spl#554 +- Add rw_tryupgrade() zfsonlinux/spl#534 zfsonlinux/zfs#4388 +- Fix taskq_wait_outstanding re-evaluate tq_next_id zfsonlinux/spl#553 +- Fix race between taskq_destroy and dynamic spawning thread zfsonlinux/spl#553 zfsonlinux/spl#550 +- Use kernel provided mutex owner zfsonlinux/spl#553 zfsonlinux/spl#550 +- Add isa_defs for MIPS zfsonlinux/spl#558 +- Linux 4.7 compat: inode_lock() and friends zfsonlinux/spl#549 +- Fix: handle NULL case in spl_kmem_free_track() zfsonlinux/spl#567 +* Thu May 12 2016 Ned Bass - 0.6.5.7-1 +- Fix PPC build failure zfsonlinux/spl#516 +* Tue Mar 22 2016 Ned Bass - 0.6.5.6-1 +- Remove artificial architecture restrictions in packaging +- Add support for s390[x] zfsonlinux/spl#537 +* Wed Mar 9 2016 Ned Bass - 0.6.5.5-1 +- Linux 4.5 compatibility zfsonlinux/spl#524 +- Create working debuginfo packages on Red Hat zfsonlinux/zfs#4224 +- Allow copy-builtin to run multiple times zfsonlinux/spl#526 +- Use safer flags for in-kernel memory allocations zfsonlinux/spl#523 +- Fix potential deadlock in cv_wait() zfsonlinux/zfs#4106 +- Fix livelock in shrinker zfsonlinux/zfs#3936 +* Fri Jan 8 2016 Ned Bass - 0.6.5.4-1 +- Build fixes on SPARC and some kernels +- Fix taskq dynamic spawning deadlock +- Fix builtin kernel builds +- Fix crash due to overflow in P2ROUNDUP macro +- Fix deadlock during direct memory reclaim +* Tue Oct 13 2015 Ned Bass - 0.6.5.3-1 +- Fix CPU hotplug zfsonlinux/spl#482 +- Disable dynamic taskqs by default to avoid deadlock zfsonlinux/spl#484 +* Tue Sep 29 2015 Ned Bass - 0.6.5.2-1 +- Released 0.6.5.2-1 +- Fix PAX Patch/Grsec SLAB_USERCOPY panic zfsonlinux/zfs#3796 +- Always remove during dkms uninstall/update zfsonlinux/spl#476 +* Thu Sep 19 2015 Ned Bass - 0.6.5.1-1 +- Released 0.6.5.1-1, no changes from spl-0.6.5 +* Thu Sep 10 2015 Brian Behlendorf - 0.6.5-1 +- Released 0.6.5-1, detailed release notes are available at: +- https://github.com/zfsonlinux/zfs/releases/tag/zfs-0.6.5 +* Wed Apr 8 2015 Brian Behlendorf - 0.6.4-1 +- Released 0.6.4-1 +* Thu Jun 12 2014 Brian Behlendorf - 0.6.3-1 +- Released 0.6.3-1 +* Wed Aug 21 2013 Brian Behlendorf - 0.6.2-1 +- Released 0.6.2-1 +* Fri Mar 22 2013 Brian Behlendorf - 0.6.1-1 +- First official stable release. diff --git a/spl/rpm/generic/spl.spec.in b/spl/rpm/generic/spl.spec.in new file mode 100644 index 000000000000..f95519ca3b7e --- /dev/null +++ b/spl/rpm/generic/spl.spec.in @@ -0,0 +1,94 @@ +Name: @PACKAGE@ +Version: @VERSION@ +Release: @RELEASE@%{?dist} +Summary: Commands to control the kernel modules + +Group: System Environment/Kernel +License: GPLv2+ +URL: http://zfsonlinux.org/ +Source0: %{name}-%{version}.tar.gz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) +Requires: %{name}-kmod = %{version} +Provides: %{name}-kmod-common = %{version} + +%description +This package contains the commands to verify the SPL +kernel modules are functioning properly. + +%prep +%setup -q + +%build +%configure --with-config=user +make %{?_smp_mflags} + +%install +%{__rm} -rf $RPM_BUILD_ROOT +make install DESTDIR=%{?buildroot} + +%files +%doc AUTHORS COPYING DISCLAIMER +%{_sbindir}/* +%{_mandir}/man1/* +%{_mandir}/man5/* + +%changelog +* Fri Feb 3 2017 Brian Behlendorf - 0.6.5.9-1 +- Use kernel slab for vn_cache and vn_file_cache zfsonlinux/spl#599 +- Fix splat-cred.c cred usage zfsonlinux/spl#556 +- Fix splat memleak zfsonlinux/spl#590 +- Fix p0 initializer zfsonlinux/spl#576 +- Fix aarch64 type warning zfsonlinux/spl#574 +- Linux 4.8 compat: Fix RW_READ_HELD zfsonlinux/zfs#5233 +- Linux 4.9 compat: group_info changes zfsonlinux/spl#581 +- Fix crgetgroups out-of-bound and misc cred fix zfsonlinux/spl#556 +* Fri Sep 9 2016 Ned Bass - 0.6.5.8-1 +- Fix HAVE_MUTEX_OWNER test for kernels prior to 4.6 zfsonlinux/spl#566 +- Add handling for kernel 4.7's CONFIG_TRIM_UNUSED_KSYMS zfsonlinux/spl#565 +- Linux 4.8 compat: rw_semaphore atomic_long_t count zfsonlinux/spl#563 +- Implement a proper rw_tryupgrade zfsonlinux/spl#554 +- Add rw_tryupgrade() zfsonlinux/spl#534 zfsonlinux/zfs#4388 +- Fix taskq_wait_outstanding re-evaluate tq_next_id zfsonlinux/spl#553 +- Fix race between taskq_destroy and dynamic spawning thread zfsonlinux/spl#553 zfsonlinux/spl#550 +- Use kernel provided mutex owner zfsonlinux/spl#553 zfsonlinux/spl#550 +- Add isa_defs for MIPS zfsonlinux/spl#558 +- Linux 4.7 compat: inode_lock() and friends zfsonlinux/spl#549 +- Fix: handle NULL case in spl_kmem_free_track() zfsonlinux/spl#567 +* Thu May 12 2016 Ned Bass - 0.6.5.7-1 +- Fix PPC build failure zfsonlinux/spl#516 +* Tue Mar 22 2016 Ned Bass - 0.6.5.6-1 +- Remove artificial architecture restrictions in packaging +- Add support for s390[x] zfsonlinux/spl#537 +* Wed Mar 9 2016 Ned Bass - 0.6.5.5-1 +- Linux 4.5 compatibility zfsonlinux/spl#524 +- Create working debuginfo packages on Red Hat zfsonlinux/zfs#4224 +- Allow copy-builtin to run multiple times zfsonlinux/spl#526 +- Use safer flags for in-kernel memory allocations zfsonlinux/spl#523 +- Fix potential deadlock in cv_wait() zfsonlinux/zfs#4106 +- Fix livelock in shrinker zfsonlinux/zfs#3936 +* Fri Jan 8 2016 Ned Bass - 0.6.5.4-1 +- Build fixes on SPARC and some kernels +- Fix taskq dynamic spawning deadlock +- Fix builtin kernel builds +- Fix crash due to overflow in P2ROUNDUP macro +- Fix deadlock during direct memory reclaim +* Tue Oct 13 2015 Ned Bass - 0.6.5.3-1 +- Fix CPU hotplug zfsonlinux/spl#482 +- Disable dynamic taskqs by default to avoid deadlock zfsonlinux/spl#484 +* Tue Sep 29 2015 Ned Bass - 0.6.5.2-1 +- Released 0.6.5.2-1 +- Fix PAX Patch/Grsec SLAB_USERCOPY panic zfsonlinux/zfs#3796 +- Always remove during dkms uninstall/update zfsonlinux/spl#476 +* Thu Sep 19 2015 Ned Bass - 0.6.5.1-1 +- Released 0.6.5.1-1, no changes from spl-0.6.5 +* Thu Sep 10 2015 Brian Behlendorf - 0.6.5-1 +- Released 0.6.5-1, detailed release notes are available at: +- https://github.com/zfsonlinux/zfs/releases/tag/zfs-0.6.5 +* Wed Apr 8 2015 Brian Behlendorf - 0.6.4-1 +- Released 0.6.4-1 +* Thu Jun 12 2014 Brian 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GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/spl/rpm/redhat/spl-dkms.spec.in b/spl/rpm/redhat/spl-dkms.spec.in new file mode 100644 index 000000000000..949660ebc024 --- /dev/null +++ b/spl/rpm/redhat/spl-dkms.spec.in @@ -0,0 +1,71 @@ +%{?!packager: %define packager Brian Behlendorf } + +%define module @PACKAGE@ +%define mkconf scripts/dkms.mkconf + +Name: %{module}-dkms + +Version: @VERSION@ +Release: @RELEASE@%{?dist} +Summary: Kernel module(s) (dkms) + +Group: System Environment/Kernel +License: GPLv2+ +URL: http://zfsonlinux.org/ +Source0: %{module}-%{version}.tar.gz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) +BuildArch: noarch + +Requires: dkms >= 2.2.0.2 +Requires: gcc, make, perl +Requires: kernel-devel +Provides: %{module}-kmod = %{version} + +%description +This package contains the dkms kernel modules required to emulate +several interfaces provided by the Solaris kernel. + +%prep +%setup -q -n %{module}-%{version} + +%build +%{mkconf} -n %{module} -v %{version} -f dkms.conf + +%install +if [ "$RPM_BUILD_ROOT" != "/" ]; then + rm -rf $RPM_BUILD_ROOT +fi +mkdir -p $RPM_BUILD_ROOT/usr/src/ +cp -rf ${RPM_BUILD_DIR}/%{module}-%{version} $RPM_BUILD_ROOT/usr/src/ + +%clean +if [ "$RPM_BUILD_ROOT" != "/" ]; then + rm -rf $RPM_BUILD_ROOT +fi + +%files +%defattr(-,root,root) +/usr/src/%{module}-%{version} + +%post +for POSTINST in /usr/lib/dkms/common.postinst; do + if [ -f $POSTINST ]; then + $POSTINST %{module} %{version} + exit $? + fi + echo "WARNING: $POSTINST does not exist." +done +echo -e "ERROR: DKMS version is too old and %{module} was not" +echo -e "built with legacy DKMS support." +echo -e "You must either rebuild %{module} with legacy postinst" +echo -e "support or upgrade DKMS to a more current version." +exit 1 + +%preun +echo -e "Uninstall of %{module} module (version %{version}) beginning:" +dkms remove -m %{module} -v %{version} --all --rpm_safe_upgrade +exit 0 + +%changelog +* %(date "+%a %b %d %Y") %packager %{version}-%{release} +- Automatic build by DKMS diff --git a/spl/rpm/redhat/spl-kmod.spec.in b/spl/rpm/redhat/spl-kmod.spec.in new file mode 100644 index 000000000000..6fcc4a898b55 --- /dev/null +++ b/spl/rpm/redhat/spl-kmod.spec.in @@ -0,0 +1,105 @@ +%bcond_with debug +%bcond_with debug_log +%bcond_with debug_kmem +%bcond_with debug_kmem_tracking +%bcond_with atomic_spinlocks + +Name: @PACKAGE@-kmod +Version: @VERSION@ +Release: @RELEASE@%{?dist} + +Summary: Kernel module(s) +Group: System Environment/Kernel +License: GPLv2+ +URL: http://zfsonlinux.org/ +BuildRequires: %kernel_module_package_buildreqs +Source0: @PACKAGE@-%{version}.tar.gz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) + +# Additional dependency information for the kmod sub-package must be specified +# by generating a preamble text file which kmodtool can append to the spec file. +%(/bin/echo -e "\ +Requires: @PACKAGE@ = %{version}\n\ +Conflicts: @PACKAGE@-dkms\n\n" > %{_sourcedir}/kmod-preamble) + +%description +This package contains the kernel modules required to emulate +several interfaces provided by the Solaris kernel. + +%define kmod_name spl + +%kernel_module_package -n %{kmod_name} -p %{_sourcedir}/kmod-preamble + +%define ksrc %{_usrsrc}/kernels/%{kverrel} +%define kobj %{ksrc} + +%package -n kmod-%{kmod_name}-devel +Summary: SPL kernel module(s) devel common +Group: System Environment/Kernel + +%description -n kmod-%{kmod_name}-devel +This package provides the header files and objects to build kernel modules +which depend on the SPL kernel module. + +%prep +if ! [ -d "%{ksrc}" ]; then + echo "Kernel build directory isn't set properly, cannot continue" + exit 1 +fi + +%if %{with debug} +%define debug --enable-debug +%else +%define debug --disable-debug +%endif + +%if %{with debug_log} +%define debug_log --enable-debug-log +%else +%define debug_log --disable-debug-log +%endif + +%if %{with debug_kmem} +%define debug_kmem --enable-debug-kmem +%else +%define debug_kmem --disable-debug-kmem +%endif + +%if %{with debug_kmem_tracking} +%define debug_kmem_tracking --enable-debug-kmem-tracking +%else +%define debug_kmem_tracking --disable-debug-kmem-tracking +%endif + +%if %{with atomic_spinlocks} +%define atomic_spinlocks --enable-atomic-spinlocks +%else +%define atomic_spinlocks --disable-atomic-spinlocks +%endif + +%setup -n %{kmod_name}-%{version} +%build +%configure \ + --with-config=kernel \ + --with-linux=%{ksrc} \ + --with-linux-obj=%{kobj} \ + %{debug} \ + %{debug_log} \ + %{debug_kmem} \ + %{debug_kmem_tracking} \ + %{atomic_spinlocks} +make %{?_smp_mflags} + +%install +make install \ + DESTDIR=${RPM_BUILD_ROOT} \ + INSTALL_MOD_DIR=extra/%{kmod_name} +%{__rm} -f %{buildroot}/lib/modules/%{kverrel}/modules.* +# find-debuginfo.sh only considers executables +%{__chmod} u+x %{buildroot}/lib/modules/%{kverrel}/extra/*/*/* + +%clean +rm -rf $RPM_BUILD_ROOT + +%files -n kmod-%{kmod_name}-devel +%{_usrsrc}/%{kmod_name}-%{version} diff --git a/spl/rpm/redhat/spl.spec.in b/spl/rpm/redhat/spl.spec.in new file mode 100644 index 000000000000..f95519ca3b7e --- /dev/null +++ b/spl/rpm/redhat/spl.spec.in @@ -0,0 +1,94 @@ +Name: @PACKAGE@ +Version: @VERSION@ +Release: @RELEASE@%{?dist} +Summary: Commands to control the kernel modules + +Group: System Environment/Kernel +License: GPLv2+ +URL: http://zfsonlinux.org/ +Source0: %{name}-%{version}.tar.gz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) +Requires: %{name}-kmod = %{version} +Provides: %{name}-kmod-common = %{version} + +%description +This package contains the commands to verify the SPL +kernel modules are functioning properly. + +%prep +%setup -q + +%build +%configure --with-config=user +make %{?_smp_mflags} + +%install +%{__rm} -rf $RPM_BUILD_ROOT +make install DESTDIR=%{?buildroot} + +%files +%doc AUTHORS COPYING DISCLAIMER +%{_sbindir}/* +%{_mandir}/man1/* +%{_mandir}/man5/* + +%changelog +* Fri Feb 3 2017 Brian Behlendorf - 0.6.5.9-1 +- Use kernel slab for vn_cache and vn_file_cache zfsonlinux/spl#599 +- Fix splat-cred.c cred usage zfsonlinux/spl#556 +- Fix splat memleak zfsonlinux/spl#590 +- Fix p0 initializer zfsonlinux/spl#576 +- Fix aarch64 type warning zfsonlinux/spl#574 +- Linux 4.8 compat: Fix RW_READ_HELD zfsonlinux/zfs#5233 +- Linux 4.9 compat: group_info changes zfsonlinux/spl#581 +- Fix crgetgroups out-of-bound and misc cred fix zfsonlinux/spl#556 +* Fri Sep 9 2016 Ned Bass - 0.6.5.8-1 +- Fix HAVE_MUTEX_OWNER test for kernels prior to 4.6 zfsonlinux/spl#566 +- Add handling for kernel 4.7's CONFIG_TRIM_UNUSED_KSYMS zfsonlinux/spl#565 +- Linux 4.8 compat: rw_semaphore atomic_long_t count zfsonlinux/spl#563 +- Implement a proper rw_tryupgrade zfsonlinux/spl#554 +- Add rw_tryupgrade() zfsonlinux/spl#534 zfsonlinux/zfs#4388 +- Fix taskq_wait_outstanding re-evaluate tq_next_id zfsonlinux/spl#553 +- Fix race between taskq_destroy and dynamic spawning thread zfsonlinux/spl#553 zfsonlinux/spl#550 +- Use kernel provided mutex owner zfsonlinux/spl#553 zfsonlinux/spl#550 +- Add isa_defs for MIPS zfsonlinux/spl#558 +- Linux 4.7 compat: inode_lock() and friends zfsonlinux/spl#549 +- Fix: handle NULL case in spl_kmem_free_track() zfsonlinux/spl#567 +* Thu May 12 2016 Ned Bass - 0.6.5.7-1 +- Fix PPC build failure zfsonlinux/spl#516 +* Tue Mar 22 2016 Ned Bass - 0.6.5.6-1 +- Remove artificial architecture restrictions in packaging +- Add support for s390[x] zfsonlinux/spl#537 +* Wed Mar 9 2016 Ned Bass - 0.6.5.5-1 +- Linux 4.5 compatibility zfsonlinux/spl#524 +- Create working debuginfo packages on Red Hat zfsonlinux/zfs#4224 +- Allow copy-builtin to run multiple times zfsonlinux/spl#526 +- Use safer flags for in-kernel memory allocations zfsonlinux/spl#523 +- Fix potential deadlock in cv_wait() zfsonlinux/zfs#4106 +- Fix livelock in shrinker zfsonlinux/zfs#3936 +* Fri Jan 8 2016 Ned Bass - 0.6.5.4-1 +- Build fixes on SPARC and some kernels +- Fix taskq dynamic spawning deadlock +- Fix builtin kernel builds +- Fix crash due to overflow in P2ROUNDUP macro +- Fix deadlock during direct memory reclaim +* Tue Oct 13 2015 Ned Bass - 0.6.5.3-1 +- Fix CPU hotplug zfsonlinux/spl#482 +- Disable dynamic taskqs by default to avoid deadlock zfsonlinux/spl#484 +* Tue Sep 29 2015 Ned Bass - 0.6.5.2-1 +- Released 0.6.5.2-1 +- Fix PAX Patch/Grsec SLAB_USERCOPY panic zfsonlinux/zfs#3796 +- Always remove during dkms uninstall/update zfsonlinux/spl#476 +* Thu Sep 19 2015 Ned Bass - 0.6.5.1-1 +- Released 0.6.5.1-1, no changes from spl-0.6.5 +* Thu Sep 10 2015 Brian Behlendorf - 0.6.5-1 +- Released 0.6.5-1, detailed release notes are available at: +- https://github.com/zfsonlinux/zfs/releases/tag/zfs-0.6.5 +* Wed Apr 8 2015 Brian Behlendorf - 0.6.4-1 +- Released 0.6.4-1 +* Thu Jun 12 2014 Brian Behlendorf - 0.6.3-1 +- Released 0.6.3-1 +* Wed Aug 21 2013 Brian Behlendorf - 0.6.2-1 +- Released 0.6.2-1 +* Fri Mar 22 2013 Brian Behlendorf - 0.6.1-1 +- First official stable release. diff --git a/spl/scripts/Makefile.am b/spl/scripts/Makefile.am new file mode 100644 index 000000000000..a718c4b1abf9 --- /dev/null +++ b/spl/scripts/Makefile.am @@ -0,0 +1,4 @@ +EXTRA_DIST = check.sh dkms.mkconf dkms.postbuild kmodtool + +check: + scripts/check.sh diff --git a/spl/scripts/Makefile.in b/spl/scripts/Makefile.in new file mode 100644 index 000000000000..7f13dcce7252 --- /dev/null +++ b/spl/scripts/Makefile.in @@ -0,0 +1,496 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This 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index 000000000000..fc97cec2310c --- /dev/null +++ b/spl/scripts/check.sh @@ -0,0 +1,97 @@ +#!/bin/bash +############################################################################### +# Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. +# Copyright (C) 2007 The Regents of the University of California. +# Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). +# Written by Brian Behlendorf . +# UCRL-CODE-235197 +# +# This file is part of the SPL, Solaris Porting Layer. +# For details, see . +# +# The SPL is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# The SPL is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with the SPL. If not, see . +############################################################################### +# This script runs the full set of regression tests. +############################################################################### + +prog=check.sh +spl_module=../module/spl/spl.ko +splat_module=../module/splat/splat.ko +splat_cmd=../cmd/splat +verbose= + +die() { + echo "${prog}: $1" >&2 + exit 1 +} + +warn() { + echo "${prog}: $1" >&2 +} + +if [ -n "$V" ]; then + verbose="-v" +fi + +if [ -n "$TESTS" ]; then + tests="$TESTS" +else + tests="-a" +fi + +if [ $(id -u) != 0 ]; then + die "Must run as root" +fi + +if /sbin/lsmod | egrep -q "^spl|^splat"; then + die "Must start with spl modules unloaded" +fi + +if [ ! -f ${spl_module} ] || [ ! -f ${splat_module} ]; then + die "Source tree must be built, run 'make'" +fi + +/sbin/modprobe zlib_inflate &>/dev/null +/sbin/modprobe zlib_deflate &>/dev/null + +echo "Loading ${spl_module}" +/sbin/insmod ${spl_module} || die "Failed to load ${spl_module}" + +echo "Loading ${splat_module}" +/sbin/insmod ${splat_module} || die "Unable to load ${splat_module}" + +# Wait a maximum of 3 seconds for udev to detect the new splatctl +# device, if we do not see the character device file created assume +# udev is not running and manually create the character device. +for i in `seq 1 50`; do + sleep 0.1 + + if [ -c /dev/splatctl ]; then + break + fi + + if [ $i -eq 50 ]; then + mknod /dev/splatctl c 229 0 + fi +done + +$splat_cmd $tests $verbose + +echo "Unloading ${splat_module}" +/sbin/rmmod ${splat_module} || die "Failed to unload ${splat_module}" + +echo "Unloading ${spl_module}" +/sbin/rmmod ${spl_module} || die "Unable to unload ${spl_module}" + +exit 0 diff --git a/spl/scripts/dkms.mkconf b/spl/scripts/dkms.mkconf new file mode 100755 index 000000000000..67b9dad58b7f --- /dev/null +++ b/spl/scripts/dkms.mkconf @@ -0,0 +1,79 @@ +#!/bin/sh + +PROG=$0 + +pkgcfg=/etc/sysconfig/spl + +while getopts "n:v:c:f:" opt; do + case $opt in + n) pkgname=$OPTARG ;; + v) pkgver=$OPTARG ;; + c) pkgcfg=$OPTARG ;; + f) filename=$OPTARG ;; + esac +done + +if [ -z "${pkgname}" -o -z "${pkgver}" -o -z "${filename}" ]; then + echo "Usage: $PROG -n -v -c -f " + exit 1 +fi + +cat >${filename} < -k -n " \ + "-t -v " + exit 1 +fi + +cp ${tree}/${pkgname}/${pkgver}/build/spl_config.h \ + ${tree}/${pkgname}/${pkgver}/build/module/Module.symvers \ + ${tree}/${pkgname}/${pkgver}/${kver}/${arch}/ diff --git a/spl/scripts/kmodtool b/spl/scripts/kmodtool new file mode 100644 index 000000000000..ce3f042947a5 --- /dev/null +++ b/spl/scripts/kmodtool @@ -0,0 +1,592 @@ +#!/bin/bash + +# kmodtool - Helper script for building kernel module RPMs +# Copyright (c) 2003-2012 Ville Skyttä , +# Thorsten Leemhuis +# Nicolas Chauvet +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +shopt -s extglob + +myprog="kmodtool-${repo}" +myver="0.12.1" + +kmodname= +build_kernels="current" +kernels_known_variants= +kernel_versions= +kernel_versions_to_build_for= +prefix= +filterfile= +target= +buildroot= + +error_out() +{ + local errorlevel=${1} + shift + echo "Error: $@" >&2 + # the next line is not multi-line safe -- not needed *yet* + echo "%global kmodtool_check echo \"kmodtool error: $@\"; exit ${errorlevel};" + exit ${errorlevel} +} + +print_rpmtemplate_header() +{ + echo + echo '%global kmodinstdir_prefix '${prefix}/lib/modules/ + echo '%global kmodinstdir_postfix '/extra/${kmodname}/ + echo '%global kernel_versions '${kernel_versions} + echo +} + +print_akmodtemplate () +{ + echo + cat <= %{?epoch:%{epoch}:}%{version} +Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release} +EOF + + if [[ ${obsolete_name} ]]; then + echo "Provides: akmod-${obsolete_name} = ${obsolete_version}" + echo "Obsoletes: akmod-${obsolete_name} < ${obsolete_version}" + fi + + cat < /dev/null & + +%files -n akmod-${kmodname} +%defattr(-,root,root,-) +%{_usrsrc}/akmods/* + +EOF +} + +print_akmodmeta () +{ + cat <= %{?epoch:%{epoch}:}%{version} +Requires(post): ${prefix}/sbin/depmod +Requires(postun): ${prefix}/sbin/depmod +EOF + + if [[ ${obsolete_name} ]]; then + echo "Provides: kmod-${obsolete_name}-${kernel_uname_r} = ${obsolete_version}" + echo "Obsoletes: kmod-${obsolete_name}-${kernel_uname_r} < ${obsolete_version}" + fi + + # second part + if [[ ! "${customkernel}" ]]; then + cat < /dev/null || : +%postun -n kmod-${kmodname}-${kernel_uname_r} +${prefix}/sbin/depmod -aF /boot/System.map-${kernel_uname_r} ${kernel_uname_r} &> /dev/null || : + +EOF + else + cat < /dev/null || : +%postun -n kmod-${kmodname}-${kernel_uname_r} +[[ "$(uname -r)" == "${kernel_uname_r}" ]] && ${prefix}/sbin/depmod -a > /dev/null || : + +EOF + fi + + # third part + cat <= %{?epoch:%{epoch}:}%{version}-%{release}" + fi + + if [[ ${obsolete_name} ]]; then + echo "Provides: kmod-${obsolete_name}-devel = ${obsolete_version}" + echo "Obsoletes: kmod-${obsolete_name}-devel < ${obsolete_version}" + fi + + cat < objects for the newest kernel. + +%files -n kmod-${kmodname}-devel +%defattr(644,root,root,755) +%{_usrsrc}/${kmodname}-%{version} +EOF + + for kernel in ${1}; do + local kernel_uname_r=${kernel} + echo "%exclude %{_usrsrc}/${kmodname}-%{version}/${kernel_uname_r}" + done + + echo + echo +} + +print_rpmtemplate_per_kmoddevelpkg () +{ + if [[ "${1}" == "--custom" ]]; then + shift + local customkernel=true + elif [[ "${1}" == "--redhat" ]]; then + # this is needed for akmods + shift + local redhatkernel=true + fi + + local kernel_uname_r=${1} + local kernel_variant="${2:+-${2}}" + + # first part + cat <= %{?epoch:%{epoch}:}%{version}-%{release} +%{?KmodsMetaRequires:Requires: %{?KmodsMetaRequires}} +EOF + + if [[ ${obsolete_name} ]]; then + echo "Provides: kmod-${obsolete_name}${kernel_variant} = ${obsolete_version}" + echo "Obsoletes: kmod-${obsolete_name}${kernel_variant} < ${obsolete_version}" + fi + + cat < -- filter the results with grep --file " + echo " --for-kernels -- created templates only for these kernels" + echo " --kmodname -- name of the kmod (required)" + echo " --devel -- make kmod-devel package" + echo " --noakmod -- no akmod package" + echo " --repo -- use buildsys-build--kerneldevpkgs" + echo " --target -- target-arch (required)" + echo " --buildroot -- Build root (place to look for build files)" +} + +while [ "${1}" ] ; do + case "${1}" in + --filterfile) + shift + if [[ ! "${1}" ]] ; then + error_out 2 "Please provide path to a filter-file together with --filterfile" >&2 + elif [[ ! -e "${1}" ]]; then + error_out 2 "Filterfile ${1} not found" >&2 + fi + filterfile="${1}" + shift + ;; + --kmodname) + shift + if [[ ! "${1}" ]] ; then + error_out 2 "Please provide the name of the kmod together with --kmodname" >&2 + fi + # strip pending -kmod + kmodname="${1%%-kmod}" + shift + ;; + --devel) + shift + devel="true" + ;; + --prefix) + shift + if [[ ! "${1}" ]] ; then + error_out 2 "Please provide a prefix with --prefix" >&2 + fi + prefix="${1}" + shift + ;; + --repo) + shift + if [[ ! "${1}" ]] ; then + error_out 2 "Please provide the name of the repo together with --repo" >&2 + fi + repo=${1} + shift + ;; + --for-kernels) + shift + if [[ ! "${1}" ]] ; then + error_out 2 "Please provide the name of the kmod together with --kmodname" >&2 + fi + for_kernels="${1}" + shift + ;; + --noakmod) + shift + noakmod="true" + ;; + --obsolete-name) + shift + if [[ ! "${1}" ]] ; then + error_out 2 "Please provide the name of the kmod to obsolte together with --obsolete-name" >&2 + fi + obsolete_name="${1}" + shift + ;; + --obsolete-version) + shift + if [[ ! "${1}" ]] ; then + error_out 2 "Please provide the version of the kmod to obsolte together with --obsolete-version" >&2 + fi + obsolete_version="${1}" + shift + ;; + --target) + shift + target="${1}" + shift + ;; + --akmod) + shift + build_kernels="akmod" + ;; + --newest) + shift + build_kernels="newest" + ;; + --current) + shift + build_kernels="current" + ;; + --buildroot) + shift + buildroot="${1}" + shift + ;; + --help) + myprog_help + exit 0 + ;; + --version) + echo "${myprog} ${myver}" + exit 0 + ;; + *) + echo "Error: Unknown option '${1}'." >&2 + usage >&2 + exit 2 + ;; + esac +done + +if [[ -e ./kmodtool-kernel-variants ]]; then + kernels_known_variants="$(cat ./kmodtool-kernel-variants)" +elif [[ -e /usr/share/kmodtool/kernel-variants ]] ; then + kernels_known_variants="$(cat /usr/share/kmodtool/kernel-variants)" +else + kernels_known_variants="@(smp?(-debug)|PAE?(-debug)|debug|kdump|xen|kirkwood|highbank|imx|omap|tegra)" +fi + +# general sanity checks +if [[ ! "${target}" ]]; then + error_out 2 "please pass target arch with --target" +elif [[ ! "${kmodname}" ]]; then + error_out 2 "please pass kmodname with --kmodname" +elif [[ ! "${kernels_known_variants}" ]] ; then + error_out 2 "could not determine known variants" +elif ( [[ "${obsolete_name}" ]] && [[ ! "${obsolete_version}" ]] ) || ( [[ ! "${obsolete_name}" ]] && [[ "${obsolete_version}" ]] ) ; then + error_out 2 "you need to provide both --obsolete-name and --obsolete-version" +fi + +# go +if [[ "${for_kernels}" ]]; then + # this is easy: + print_customrpmtemplate "${for_kernels}" +elif [[ "${build_kernels}" == "akmod" ]]; then + # do only a akmod package + print_akmodtemplate + print_akmodmeta +else + # seems we are on out own to decide for which kernels to build + + # we need more sanity checks in this case + if [[ ! "${repo}" ]]; then + error_out 2 "please provide repo name with --repo" + elif ! $(which buildsys-build-${repo}-kerneldevpkgs &> /dev/null) ; then + error_out 2 "buildsys-build-${repo}-kerneldevpkgs not found" + fi + + # call buildsys-build-${repo}-kerneldevpkgs to get the list of kernels + cmdoptions="--target ${target}" + + # filterfile to filter list of kernels? + if [[ "${filterfile}" ]] ; then + cmdoptions="${cmdoptions} --filterfile ${filterfile}" + fi + + kernel_versions_to_build_for="$(buildsys-build-${repo}-kerneldevpkgs --${build_kernels} ${cmdoptions})" + returncode=$? + if (( ${returncode} != 0 )); then + error_out 2 "buildsys-build-${repo}-kerneldevpkgs failed: $(buildsys-build-${repo}-kerneldevpkgs --${build_kernels} ${cmdoptions})" + fi + + if [[ "${build_kernels}" == "current" ]] && [[ ! "${noakmod}" ]]; then + print_akmodtemplate + fi + + print_rpmtemplate +fi diff --git a/spl/spl.release.in b/spl/spl.release.in new file mode 100644 index 000000000000..fd7c84c13782 --- /dev/null +++ b/spl/spl.release.in @@ -0,0 +1 @@ +@SPL_META_VERSION@-@SPL_META_RELEASE@ diff --git a/spl/spl_config.h.in b/spl/spl_config.h.in new file mode 100644 index 000000000000..463c5f98f5a8 --- /dev/null +++ b/spl/spl_config.h.in @@ -0,0 +1,205 @@ +/* spl_config.h.in. Generated from configure.ac by autoheader. */ + +/* Atomic types use spinlocks */ +#undef ATOMIC_SPINLOCK + +/* Define to 1 to enable basic kmem accounting */ +#undef DEBUG_KMEM + +/* Define to 1 to enable detailed kmem tracking */ +#undef DEBUG_KMEM_TRACKING + +/* new shrinker callback wants 2 args */ +#undef HAVE_2ARGS_NEW_SHRINKER_CALLBACK + +/* old shrinker callback wants 2 args */ +#undef HAVE_2ARGS_OLD_SHRINKER_CALLBACK + +/* vfs_fsync() wants 2 args */ +#undef HAVE_2ARGS_VFS_FSYNC + +/* vfs_getattr wants 2 args */ +#undef HAVE_2ARGS_VFS_GETATTR + +/* vfs_unlink() wants 2 args */ +#undef HAVE_2ARGS_VFS_UNLINK + +/* zlib_deflate_workspacesize() wants 2 args */ +#undef HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE + +/* old shrinker callback wants 3 args */ +#undef HAVE_3ARGS_SHRINKER_CALLBACK + +/* vfs_unlink() wants 3 args */ +#undef HAVE_3ARGS_VFS_UNLINK + +/* vfs_rename() wants 4 args */ +#undef HAVE_4ARGS_VFS_RENAME + +/* vfs_rename() wants 5 args */ +#undef HAVE_5ARGS_VFS_RENAME + +/* vfs_rename() wants 6 args */ +#undef HAVE_6ARGS_VFS_RENAME + +/* kernel defines atomic64_t */ +#undef HAVE_ATOMIC64_T + +/* struct ctl_table has ctl_name */ +#undef HAVE_CTL_NAME + +/* Define to 1 if you have the header file. */ +#undef HAVE_DLFCN_H + +/* fops->fallocate() exists */ +#undef HAVE_FILE_FALLOCATE + +/* struct fs_struct uses spinlock_t */ +#undef HAVE_FS_STRUCT_SPINLOCK + +/* group_info->gid exists */ +#undef HAVE_GROUP_INFO_GID + +/* fops->fallocate() exists */ +#undef HAVE_INODE_FALLOCATE + +/* yes */ +#undef HAVE_INODE_LOCK_SHARED + +/* truncate_range() inode operation is available */ +#undef HAVE_INODE_TRUNCATE_RANGE + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* struct kmem_cache has allocflags */ +#undef HAVE_KMEM_CACHE_ALLOCFLAGS + +/* struct kmem_cache has gfpflags */ +#undef HAVE_KMEM_CACHE_GFPFLAGS + +/* kuid_t/kgid_t in use */ +#undef HAVE_KUIDGID_T + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* yes */ +#undef HAVE_MUTEX_OWNER + +/* yes */ +#undef HAVE_PDE_DATA + +/* __put_task_struct() is available */ +#undef HAVE_PUT_TASK_STRUCT + +/* struct rw_semaphore has member activity */ +#undef HAVE_RWSEM_ACTIVITY + +/* struct rw_semaphore has atomic_long_t member count */ +#undef HAVE_RWSEM_ATOMIC_LONG_COUNT + +/* linux/sched/rt.h exists */ +#undef HAVE_SCHED_RT_HEADER + +/* set_fs_pwd() needs const path * */ +#undef HAVE_SET_FS_PWD_WITH_CONST + +/* struct shrink_control exists */ +#undef HAVE_SHRINK_CONTROL_STRUCT + +/* ->count_objects exists */ +#undef HAVE_SPLIT_SHRINKER_CALLBACK + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* usleep_range is available */ +#undef HAVE_USLEEP_RANGE + +/* yes */ +#undef HAVE_WAIT_ON_BIT_ACTION + +/* Define to the sub-directory where libtool stores uninstalled libraries. */ +#undef LT_OBJDIR + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* struct rw_semaphore member wait_lock is raw_spinlock_t */ +#undef RWSEM_SPINLOCK_IS_RAW + +/* Define to 1 if GPL-only symbols can be used */ +#undef SPL_IS_GPL_COMPATIBLE + +/* Define the project alias string. */ +#undef SPL_META_ALIAS + +/* Define the project author. */ +#undef SPL_META_AUTHOR + +/* Define the project release date. */ +#undef SPL_META_DATA + +/* Define the project license. */ +#undef SPL_META_LICENSE + +/* Define the libtool library 'age' version information. */ +#undef SPL_META_LT_AGE + +/* Define the libtool library 'current' version information. */ +#undef SPL_META_LT_CURRENT + +/* Define the libtool library 'revision' version information. */ +#undef SPL_META_LT_REVISION + +/* Define the project name. */ +#undef SPL_META_NAME + +/* Define the project release. */ +#undef SPL_META_RELEASE + +/* Define the project version. */ +#undef SPL_META_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION diff --git a/zfs/AUTHORS b/zfs/AUTHORS new file mode 100644 index 000000000000..cf5c808e3e4d --- /dev/null +++ b/zfs/AUTHORS @@ -0,0 +1,95 @@ +Brian Behlendorf is the principal developer of the ZFS on Linux port. +He works full time as a computer scientist at Lawrence Livermore +National Laboratory on the ZFS and Lustre filesystems. However, +this port would not have been possible without the help of many +others who have contributed their time, effort, and insight. + + Brian Behlendorf + +First and foremost the hard working ZFS developers at Sun/Oracle. +They are responsible for the bulk of the code in this project and +without their efforts there never would have been a ZFS filesystem. + + The ZFS Development Team at Sun/Oracle + +Next all the developers at KQ Infotech who implemented a prototype +ZFS Posix Layer (ZPL). Their implementation provided an excellent +reference for adding the ZPL functionality. + + Anand Mitra + Anurag Agarwal + Neependra Khare + Prasad Joshi + Rohan Puri + Sandip Divekar + Shoaib + Shrirang + +Additionally the following individuals have all made contributions +to the project and deserve to be acknowledged. + + Albert Lee + Alejandro R. Sedeño + Alex Zhuravlev + Alexander Eremin + Alexander Stetsenko + Alexey Shvetsov + Andreas Dilger + Andrew Reid + Andrew Stormont + Andrew Tselischev + Andriy Gapon + Aniruddha Shankar + Bill Pijewski + Chris Dunlap + Chris Dunlop + Chris Siden + Chris Wedgwood + Christian Kohlschütter + Christopher Siden + Craig Sanders + Cyril Plisko + Dan McDonald + Daniel Verite + Darik Horn + Eric Schrock + Etienne Dechamps + Fajar A. Nugraha + Frederik Wessels + Garrett D'Amore + George Wilson + Gordon Ross + Gregor Kopka + Gunnar Beutner + James H + Javen Wu + Jeremy Gill + Jorgen Lundman + KORN Andras + Kyle Fuller + Manuel Amador (Rudd-O) + Martin Matuska + Massimo Maggi + Matthew Ahrens + Michael Martin + Mike Harsch + Ned Bass + Oleg Stepura + P.SCH + Pawel Jakub Dawidek + Prakash Surya + Prasad Joshi + Ricardo M. Correia + Richard Laager + Richard Lowe + Richard Yao + Rohan Puri + Shampavman + Simon Klinkert + Suman Chakravartula + Tim Haley + Turbo Fredriksson + Xin Li + Yuxuan Shui + Zachary Bedell + nordaux diff --git a/zfs/COPYRIGHT b/zfs/COPYRIGHT new file mode 100644 index 000000000000..759a48439bfa --- /dev/null +++ b/zfs/COPYRIGHT @@ -0,0 +1,33 @@ +The majority of the code in the ZFS on Linux port comes from OpenSolaris +which has been released under the terms of the CDDL open source license. +This includes the core ZFS code, libavl, libnvpair, libefi, libunicode, +and libutil. The original OpenSolaris source can be downloaded from: + +http://dlc.sun.com/osol/on/downloads/b121/on-src.tar.bz2 + +Files which do not originate from OpenSolaris are noted in the file header +and attributed properly. These exceptions include, but are not limited +to, the vdev_disk.c and zvol.c implementation which are licensed under +the CDDL. + +The zpios test code is originally derived from the Lustre pios test code +which is licensed under the GPLv2. As such the heavily modified zpios +kernel test code also remains licensed under the GPLv2. + +The latest stable and development versions of this port can be downloaded +from the official ZFS on Linux site located at: + +http://zfsonlinux.org/ + +This ZFS on Linux port was produced at the Lawrence Livermore National +Laboratory (LLNL) under Contract No. DE-AC52-07NA27344 (Contract 44) +between the U.S. Department of Energy (DOE) and Lawrence Livermore +National Security, LLC (LLNS) for the operation of LLNL. It has been +approved for release under LLNL-CODE-403049. + +Unless otherwise noted, all files in this distribution are released +under the Common Development and Distribution License (CDDL). +Exceptions are noted within the associated source files. See the file +OPENSOLARIS.LICENSE for more information. + +Refer to the git commit log for authoritative copyright attribution. diff --git a/zfs/DISCLAIMER b/zfs/DISCLAIMER new file mode 100644 index 000000000000..a0af1efe177d --- /dev/null +++ b/zfs/DISCLAIMER @@ -0,0 +1,24 @@ +This work was produced at the Lawrence Livermore National Laboratory +(LLNL) under Contract No. DE-AC52-07NA27344 (Contract 44) between +the U.S. Department of Energy (DOE) and Lawrence Livermore National +Security, LLC (LLNS) for the operation of LLNL. + +This work was prepared as an account of work sponsored by an agency of +the United States Government. Neither the United States Government nor +Lawrence Livermore National Security, LLC nor any of their employees, +makes any warranty, express or implied, or assumes any liability or +responsibility for the accuracy, completeness, or usefulness of any +information, apparatus, product, or process disclosed, or represents +that its use would not infringe privately-owned rights. + +Reference herein to any specific commercial products, process, or +services by trade name, trademark, manufacturer or otherwise does +not necessarily constitute or imply its endorsement, recommendation, +or favoring by the United States Government or Lawrence Livermore +National Security, LLC. The views and opinions of authors expressed +herein do not necessarily state or reflect those of the United States +Government or Lawrence Livermore National Security, LLC, and shall +not be used for advertising or product endorsement purposes. + +The precise terms and conditions for copying, distribution, and +modification are specified in the file OPENSOLARIS.LICENSE. diff --git a/zfs/META b/zfs/META new file mode 100644 index 000000000000..e5c868850eeb --- /dev/null +++ b/zfs/META @@ -0,0 +1,8 @@ +Meta: 1 +Name: zfs +Branch: 1.0 +Version: 0.6.5.9 +Release: 2 +Release-Tags: relext +License: CDDL +Author: OpenZFS on Linux diff --git a/zfs/Makefile.am b/zfs/Makefile.am new file mode 100644 index 000000000000..f69feb773b5d --- /dev/null +++ b/zfs/Makefile.am @@ -0,0 +1,77 @@ +ACLOCAL_AMFLAGS = -I config + +include config/rpm.am +include config/deb.am +include config/tgz.am + + +if CONFIG_USER + +endif +if CONFIG_KERNEL +SUBDIRS = module include + +extradir = @prefix@/src/zfs-$(VERSION) +extra_HEADERS = zfs.release.in zfs_config.h.in + +kerneldir = @prefix@/src/zfs-$(VERSION)/$(LINUX_VERSION) +nodist_kernel_HEADERS = zfs.release zfs_config.h module/$(LINUX_SYMBOLS) +endif + +AUTOMAKE_OPTIONS = foreign +EXTRA_DIST = autogen.sh copy-builtin +EXTRA_DIST += config/config.awk config/rpm.am config/deb.am config/tgz.am +EXTRA_DIST += META DISCLAIMER COPYRIGHT README.markdown OPENSOLARIS.LICENSE + +distclean-local:: + -$(RM) -R autom4te*.cache + -find . \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ + -o -name .pc -o -name .hg -o -name .git \) -prune -o \ + \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ + -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ + -o -name '.*.rej' -o -name '.script-config' -o -size 0 \ + -o -name '*%' -o -name '.*.cmd' -o -name 'core' \ + -o -name 'Makefile' -o -name 'Module.symvers' \ + -o -name '*.order' -o -name '*.markers' \) \ + -type f -print | xargs $(RM) + +dist-hook: + sed -i 's/Release:[[:print:]]*/Release: $(RELEASE)/' \ + $(distdir)/META + +checkstyle: cstyle shellcheck + +cstyle: + @find ${top_srcdir} -name '*.[hc]' ! -name 'zfs_config.*' \ + ! -name '*.mod.c' -type f -exec scripts/cstyle.pl {} \+ + +shellcheck: + @if type shellcheck > /dev/null 2>&1; then \ + (find ${top_srcdir} -type f -name '*.sh.in' -o -type f \ + -name '*.sh'; find etc/init.d/zfs*.in -type f) | \ + grep -v 'zfs-script-config' | \ + while read file; do \ + shellcheck --format gcc "$$file"; \ + done; \ + fi + +lint: cppcheck + +cppcheck: + @if type cppcheck > /dev/null 2>&1; then \ + cppcheck --quiet --force ${top_srcdir}; \ + fi + +ctags: + $(RM) tags + find $(top_srcdir) -name .git -prune -o -name '*.[hc]' | xargs ctags + +etags: + $(RM) TAGS + find $(top_srcdir) -name .pc -prune -o -name '*.[hc]' | xargs etags -a + +tags: ctags etags + +pkg: @DEFAULT_PACKAGE@ +pkg-kmod: @DEFAULT_PACKAGE@-kmod +pkg-utils: @DEFAULT_PACKAGE@-utils diff --git a/zfs/Makefile.in b/zfs/Makefile.in new file mode 100644 index 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\ + fi +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-recursive + +clean-am: clean-generic clean-libtool mostlyclean-am + +distclean: distclean-recursive + -rm -f $(am__CONFIG_DISTCLEAN_FILES) + -rm -f Makefile +distclean-am: clean-am distclean-generic distclean-hdr \ + distclean-libtool distclean-local distclean-tags + +dvi: dvi-recursive + +dvi-am: + +html: html-recursive + +html-am: + +info: info-recursive + +info-am: + +install-data-am: install-extraHEADERS install-nodist_kernelHEADERS + +install-dvi: install-dvi-recursive + +install-dvi-am: + +install-exec-am: + +install-html: install-html-recursive + +install-html-am: + +install-info: install-info-recursive + +install-info-am: + +install-man: + +install-pdf: install-pdf-recursive + +install-pdf-am: + +install-ps: install-ps-recursive + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-recursive + -rm -f $(am__CONFIG_DISTCLEAN_FILES) + -rm -rf $(top_srcdir)/autom4te.cache + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-recursive + +mostlyclean-am: mostlyclean-generic mostlyclean-libtool + +pdf: pdf-recursive + +pdf-am: + +ps: ps-recursive + +ps-am: + +uninstall-am: uninstall-extraHEADERS uninstall-nodist_kernelHEADERS + +.MAKE: $(am__recursive_targets) all install-am install-strip + +.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \ + am--refresh check check-am clean clean-cscope clean-generic \ + clean-libtool cscope cscopelist-am ctags ctags-am dist \ + dist-all dist-bzip2 dist-gzip dist-hook dist-lzip dist-shar \ + dist-tarZ dist-xz dist-zip distcheck distclean \ + distclean-generic distclean-hdr distclean-libtool \ + distclean-local distclean-tags distcleancheck distdir \ + distuninstallcheck dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am \ + install-extraHEADERS install-html install-html-am install-info \ + install-info-am install-man install-nodist_kernelHEADERS \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + installdirs-am maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \ + ps ps-am tags tags-am uninstall uninstall-am \ + uninstall-extraHEADERS uninstall-nodist_kernelHEADERS + +.PRECIOUS: Makefile + + +srpm-kmod: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-kmod" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_KMOD}' srpm-common + +srpm-dkms: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-dkms" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_DKMS}' srpm-common + +srpm-utils: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_UTIL}' srpm-common + +srpm: srpm-kmod srpm-dkms srpm-utils +srpms: srpm-kmod srpm-dkms srpm-utils + +rpm-kmod: srpm-kmod + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-kmod" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_KMOD}' rpm-common + +rpm-dkms: srpm-dkms + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-dkms" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_DKMS}' rpm-common + +rpm-utils: srpm-utils + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_UTIL}' rpm-common + +rpm: rpm-kmod rpm-dkms rpm-utils +rpms: rpm-kmod rpm-dkms rpm-utils + +rpm-local: + @(if test "${HAVE_RPMBUILD}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${RPMBUILD} missing. Please install the\n" \ + "*** package for your distribution which provides ${RPMBUILD},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi; \ + mkdir -p $(rpmbuild)/TMP && \ + mkdir -p $(rpmbuild)/BUILD && \ + mkdir -p $(rpmbuild)/RPMS && \ + mkdir -p $(rpmbuild)/SRPMS && \ + mkdir -p $(rpmbuild)/SPECS && \ + cp ${RPM_SPEC_DIR}/$(rpmspec) $(rpmbuild)/SPECS && \ + mkdir -p $(rpmbuild)/SOURCES && \ + cp $(top_srcdir)/scripts/kmodtool $(rpmbuild)/SOURCES && \ + cp $(distdir).tar.gz $(rpmbuild)/SOURCES) + +srpm-common: dist + @(dist=`$(RPM) --eval %{?dist}`; \ + rpmpkg=$(pkg)-$(VERSION)-$(RELEASE)$$dist*src.rpm; \ + rpmspec=$(pkg).spec; \ + rpmbuild=`mktemp -t -d $(PACKAGE)-build-$$USER-XXXXXXXX`; \ + $(MAKE) $(AM_MAKEFLAGS) \ + rpmbuild="$$rpmbuild" \ + rpmspec="$$rpmspec" \ + rpm-local || exit 1; \ + LANG=C $(RPMBUILD) \ + --define "_tmppath $$rpmbuild/TMP" \ + --define "_topdir $$rpmbuild" \ + $(def) -bs $$rpmbuild/SPECS/$$rpmspec || exit 1; \ + cp $$rpmbuild/SRPMS/$$rpmpkg . || exit 1; \ + rm -R $$rpmbuild) + +rpm-common: + @(dist=`$(RPM) --eval %{?dist}`; \ + rpmpkg=$(pkg)-$(VERSION)-$(RELEASE)$$dist*src.rpm; \ + rpmspec=$(pkg).spec; \ + rpmbuild=`mktemp -t -d $(PACKAGE)-build-$$USER-XXXXXXXX`; \ + $(MAKE) $(AM_MAKEFLAGS) \ + rpmbuild="$$rpmbuild" \ + rpmspec="$$rpmspec" \ + rpm-local || exit 1; \ + LANG=C ${RPMBUILD} \ + --define "_tmppath $$rpmbuild/TMP" \ + --define "_topdir $$rpmbuild" \ + $(def) --rebuild $$rpmpkg || exit 1; \ + cp $$rpmbuild/RPMS/*/* . || exit 1; \ + rm -R $$rpmbuild) +deb-local: + @(if test "${HAVE_DPKGBUILD}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${DPKGBUILD} missing. Please install the\n" \ + "*** package for your distribution which provides ${DPKGBUILD},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi; \ + if test "${HAVE_ALIEN}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${ALIEN} missing. Please install the\n" \ + "*** package for your distribution which provides ${ALIEN},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi) + +deb-kmod: deb-local rpm-kmod +@CONFIG_KERNEL_TRUE@ name=${PACKAGE}; \ +@CONFIG_KERNEL_TRUE@ version=${VERSION}-${RELEASE}; \ +@CONFIG_KERNEL_TRUE@ arch=`$(RPM) -qp $${name}-kmod-$${version}.src.rpm --qf %{arch} | tail -1`; \ +@CONFIG_KERNEL_TRUE@ pkg1=kmod-$${name}*$${version}.$${arch}.rpm; \ +@CONFIG_KERNEL_TRUE@ fakeroot $(ALIEN) --bump=0 --scripts --to-deb $$pkg1; \ +@CONFIG_KERNEL_TRUE@ $(RM) $$pkg1 + +deb-utils: deb-local rpm-utils +@CONFIG_USER_TRUE@ name=${PACKAGE}; \ +@CONFIG_USER_TRUE@ version=${VERSION}-${RELEASE}; \ +@CONFIG_USER_TRUE@ arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \ +@CONFIG_USER_TRUE@ pkg1=$${name}-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg2=libnvpair1-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg3=libuutil1-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg4=libzfs2-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg5=libzpool2-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg6=libzfs2-devel-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg7=$${name}-test-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg8=$${name}-dracut-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg9=$${name}-initramfs-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ fakeroot $(ALIEN) --bump=0 --scripts --to-deb \ +@CONFIG_USER_TRUE@ $$pkg1 $$pkg2 $$pkg3 $$pkg4 $$pkg5 $$pkg6 $$pkg7 \ +@CONFIG_USER_TRUE@ $$pkg8 $$pkg9; +@CONFIG_USER_TRUE@ $(RM) $$pkg1 $$pkg2 $$pkg3 $$pkg4 $$pkg5 $$pkg6 $$pkg7 \ +@CONFIG_USER_TRUE@ $$pkg8 $$pkg9; + +deb: deb-kmod deb-utils +tgz-local: + @(if test "${HAVE_ALIEN}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${ALIEN} missing. Please install the\n" \ + "*** package for your distribution which provides ${ALIEN},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi) + +tgz-kmod: tgz-local rpm-kmod +@CONFIG_KERNEL_TRUE@ name=${PACKAGE}; \ +@CONFIG_KERNEL_TRUE@ version=${VERSION}-${RELEASE}; \ +@CONFIG_KERNEL_TRUE@ arch=`$(RPM) -qp $${name}-kmod-$${version}.src.rpm --qf %{arch} | tail -1`; \ +@CONFIG_KERNEL_TRUE@ pkg1=kmod-$${name}*$${version}.$${arch}.rpm; \ +@CONFIG_KERNEL_TRUE@ fakeroot $(ALIEN) --scripts --to-tgz $$pkg1; \ +@CONFIG_KERNEL_TRUE@ $(RM) $$pkg1 + +tgz-utils: tgz-local rpm-utils +@CONFIG_USER_TRUE@ name=${PACKAGE}; \ +@CONFIG_USER_TRUE@ version=${VERSION}-${RELEASE}; \ +@CONFIG_USER_TRUE@ arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \ +@CONFIG_USER_TRUE@ pkg1=$${name}-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg2=$${name}-devel-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ pkg3=$${name}-test-$${version}.$${arch}.rpm; \ +@CONFIG_USER_TRUE@ fakeroot $(ALIEN) --scripts --to-tgz $$pkg1 $$pkg2 $$pkg3; \ +@CONFIG_USER_TRUE@ $(RM) $$pkg1 $$pkg2 $$pkg3 + +tgz: tgz-kmod tgz-utils + +distclean-local:: + -$(RM) -R autom4te*.cache + -find . \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ + -o -name .pc -o -name .hg -o -name .git \) -prune -o \ + \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ + -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ + -o -name '.*.rej' -o -name '.script-config' -o -size 0 \ + -o -name '*%' -o -name '.*.cmd' -o -name 'core' \ + -o -name 'Makefile' -o -name 'Module.symvers' \ + -o -name '*.order' -o -name '*.markers' \) \ + -type f -print | xargs $(RM) + +dist-hook: + sed -i 's/Release:[[:print:]]*/Release: $(RELEASE)/' \ + $(distdir)/META + +checkstyle: cstyle shellcheck + +cstyle: + @find ${top_srcdir} -name '*.[hc]' ! -name 'zfs_config.*' \ + ! -name '*.mod.c' -type f -exec scripts/cstyle.pl {} \+ + +shellcheck: + @if type shellcheck > /dev/null 2>&1; then \ + (find ${top_srcdir} -type f -name '*.sh.in' -o -type f \ + -name '*.sh'; find etc/init.d/zfs*.in -type f) | \ + grep -v 'zfs-script-config' | \ + while read file; do \ + shellcheck --format gcc "$$file"; \ + done; \ + fi + +lint: cppcheck + +cppcheck: + @if type cppcheck > /dev/null 2>&1; then \ + cppcheck --quiet --force ${top_srcdir}; \ + fi + +ctags: + $(RM) tags + find $(top_srcdir) -name .git -prune -o -name '*.[hc]' | xargs ctags + +etags: + $(RM) TAGS + find $(top_srcdir) -name .pc -prune -o -name '*.[hc]' | xargs etags -a + +tags: ctags etags + +pkg: @DEFAULT_PACKAGE@ +pkg-kmod: @DEFAULT_PACKAGE@-kmod +pkg-utils: @DEFAULT_PACKAGE@-utils + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/zfs/OPENSOLARIS.LICENSE b/zfs/OPENSOLARIS.LICENSE new file mode 100644 index 000000000000..da23621dc843 --- /dev/null +++ b/zfs/OPENSOLARIS.LICENSE @@ -0,0 +1,384 @@ +Unless otherwise noted, all files in this distribution are released +under the Common Development and Distribution License (CDDL). +Exceptions are noted within the associated source files. + +-------------------------------------------------------------------- + + +COMMON DEVELOPMENT AND DISTRIBUTION LICENSE Version 1.0 + +1. Definitions. + + 1.1. "Contributor" means each individual or entity that creates + or contributes to the creation of Modifications. + + 1.2. "Contributor Version" means the combination of the Original + Software, prior Modifications used by a Contributor (if any), + and the Modifications made by that particular Contributor. + + 1.3. "Covered Software" means (a) the Original Software, or (b) + Modifications, or (c) the combination of files containing + Original Software with files containing Modifications, in + each case including portions thereof. + + 1.4. "Executable" means the Covered Software in any form other + than Source Code. + + 1.5. "Initial Developer" means the individual or entity that first + makes Original Software available under this License. + + 1.6. "Larger Work" means a work which combines Covered Software or + portions thereof with code not governed by the terms of this + License. + + 1.7. "License" means this document. + + 1.8. "Licensable" means having the right to grant, to the maximum + extent possible, whether at the time of the initial grant or + subsequently acquired, any and all of the rights conveyed + herein. + + 1.9. "Modifications" means the Source Code and Executable form of + any of the following: + + A. Any file that results from an addition to, deletion from or + modification of the contents of a file containing Original + Software or previous Modifications; + + B. Any new file that contains any part of the Original + Software or previous Modifications; or + + C. Any new file that is contributed or otherwise made + available under the terms of this License. + + 1.10. "Original Software" means the Source Code and Executable + form of computer software code that is originally released + under this License. + + 1.11. "Patent Claims" means any patent claim(s), now owned or + hereafter acquired, including without limitation, method, + process, and apparatus claims, in any patent Licensable by + grantor. + + 1.12. "Source Code" means (a) the common form of computer software + code in which modifications are made and (b) associated + documentation included in or with such code. + + 1.13. "You" (or "Your") means an individual or a legal entity + exercising rights under, and complying with all of the terms + of, this License. For legal entities, "You" includes any + entity which controls, is controlled by, or is under common + control with You. For purposes of this definition, + "control" means (a) the power, direct or indirect, to cause + the direction or management of such entity, whether by + contract or otherwise, or (b) ownership of more than fifty + percent (50%) of the outstanding shares or beneficial + ownership of such entity. + +2. License Grants. + + 2.1. The Initial Developer Grant. + + Conditioned upon Your compliance with Section 3.1 below and + subject to third party intellectual property claims, the Initial + Developer hereby grants You a world-wide, royalty-free, + non-exclusive license: + + (a) under intellectual property rights (other than patent or + trademark) Licensable by Initial Developer, to use, + reproduce, modify, display, perform, sublicense and + distribute the Original Software (or portions thereof), + with or without Modifications, and/or as part of a Larger + Work; and + + (b) under Patent Claims infringed by the making, using or + selling of Original Software, to make, have made, use, + practice, sell, and offer for sale, and/or otherwise + dispose of the Original Software (or portions thereof). + + (c) The licenses granted in Sections 2.1(a) and (b) are + effective on the date Initial Developer first distributes + or otherwise makes the Original Software available to a + third party under the terms of this License. + + (d) Notwithstanding Section 2.1(b) above, no patent license is + granted: (1) for code that You delete from the Original + Software, or (2) for infringements caused by: (i) the + modification of the Original Software, or (ii) the + combination of the Original Software with other software + or devices. + + 2.2. Contributor Grant. + + Conditioned upon Your compliance with Section 3.1 below and + subject to third party intellectual property claims, each + Contributor hereby grants You a world-wide, royalty-free, + non-exclusive license: + + (a) under intellectual property rights (other than patent or + trademark) Licensable by Contributor to use, reproduce, + modify, display, perform, sublicense and distribute the + Modifications created by such Contributor (or portions + thereof), either on an unmodified basis, with other + Modifications, as Covered Software and/or as part of a + Larger Work; and + + (b) under Patent Claims infringed by the making, using, or + selling of Modifications made by that Contributor either + alone and/or in combination with its Contributor Version + (or portions of such combination), to make, use, sell, + offer for sale, have made, and/or otherwise dispose of: + (1) Modifications made by that Contributor (or portions + thereof); and (2) the combination of Modifications made by + that Contributor with its Contributor Version (or portions + of such combination). + + (c) The licenses granted in Sections 2.2(a) and 2.2(b) are + effective on the date Contributor first distributes or + otherwise makes the Modifications available to a third + party. + + (d) Notwithstanding Section 2.2(b) above, no patent license is + granted: (1) for any code that Contributor has deleted + from the Contributor Version; (2) for infringements caused + by: (i) third party modifications of Contributor Version, + or (ii) the combination of Modifications made by that + Contributor with other software (except as part of the + Contributor Version) or other devices; or (3) under Patent + Claims infringed by Covered Software in the absence of + Modifications made by that Contributor. + +3. Distribution Obligations. + + 3.1. Availability of Source Code. + + Any Covered Software that You distribute or otherwise make + available in Executable form must also be made available in Source + Code form and that Source Code form must be distributed only under + the terms of this License. You must include a copy of this + License with every copy of the Source Code form of the Covered + Software You distribute or otherwise make available. You must + inform recipients of any such Covered Software in Executable form + as to how they can obtain such Covered Software in Source Code + form in a reasonable manner on or through a medium customarily + used for software exchange. + + 3.2. Modifications. + + The Modifications that You create or to which You contribute are + governed by the terms of this License. You represent that You + believe Your Modifications are Your original creation(s) and/or + You have sufficient rights to grant the rights conveyed by this + License. + + 3.3. Required Notices. + + You must include a notice in each of Your Modifications that + identifies You as the Contributor of the Modification. You may + not remove or alter any copyright, patent or trademark notices + contained within the Covered Software, or any notices of licensing + or any descriptive text giving attribution to any Contributor or + the Initial Developer. + + 3.4. Application of Additional Terms. + + You may not offer or impose any terms on any Covered Software in + Source Code form that alters or restricts the applicable version + of this License or the recipients' rights hereunder. You may + choose to offer, and to charge a fee for, warranty, support, + indemnity or liability obligations to one or more recipients of + Covered Software. However, you may do so only on Your own behalf, + and not on behalf of the Initial Developer or any Contributor. + You must make it absolutely clear that any such warranty, support, + indemnity or liability obligation is offered by You alone, and You + hereby agree to indemnify the Initial Developer and every + Contributor for any liability incurred by the Initial Developer or + such Contributor as a result of warranty, support, indemnity or + liability terms You offer. + + 3.5. Distribution of Executable Versions. + + You may distribute the Executable form of the Covered Software + under the terms of this License or under the terms of a license of + Your choice, which may contain terms different from this License, + provided that You are in compliance with the terms of this License + and that the license for the Executable form does not attempt to + limit or alter the recipient's rights in the Source Code form from + the rights set forth in this License. If You distribute the + Covered Software in Executable form under a different license, You + must make it absolutely clear that any terms which differ from + this License are offered by You alone, not by the Initial + Developer or Contributor. You hereby agree to indemnify the + Initial Developer and every Contributor for any liability incurred + by the Initial Developer or such Contributor as a result of any + such terms You offer. + + 3.6. Larger Works. + + You may create a Larger Work by combining Covered Software with + other code not governed by the terms of this License and + distribute the Larger Work as a single product. In such a case, + You must make sure the requirements of this License are fulfilled + for the Covered Software. + +4. Versions of the License. + + 4.1. New Versions. + + Sun Microsystems, Inc. is the initial license steward and may + publish revised and/or new versions of this License from time to + time. Each version will be given a distinguishing version number. + Except as provided in Section 4.3, no one other than the license + steward has the right to modify this License. + + 4.2. Effect of New Versions. + + You may always continue to use, distribute or otherwise make the + Covered Software available under the terms of the version of the + License under which You originally received the Covered Software. + If the Initial Developer includes a notice in the Original + Software prohibiting it from being distributed or otherwise made + available under any subsequent version of the License, You must + distribute and make the Covered Software available under the terms + of the version of the License under which You originally received + the Covered Software. Otherwise, You may also choose to use, + distribute or otherwise make the Covered Software available under + the terms of any subsequent version of the License published by + the license steward. + + 4.3. Modified Versions. + + When You are an Initial Developer and You want to create a new + license for Your Original Software, You may create and use a + modified version of this License if You: (a) rename the license + and remove any references to the name of the license steward + (except to note that the license differs from this License); and + (b) otherwise make it clear that the license contains terms which + differ from this License. + +5. DISCLAIMER OF WARRANTY. + + COVERED SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" + BASIS, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, + INCLUDING, WITHOUT LIMITATION, WARRANTIES THAT THE COVERED + SOFTWARE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR + PURPOSE OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND + PERFORMANCE OF THE COVERED SOFTWARE IS WITH YOU. SHOULD ANY + COVERED SOFTWARE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT THE + INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY + NECESSARY SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF + WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. NO USE OF + ANY COVERED SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS + DISCLAIMER. + +6. TERMINATION. + + 6.1. This License and the rights granted hereunder will terminate + automatically if You fail to comply with terms herein and fail to + cure such breach within 30 days of becoming aware of the breach. + Provisions which, by their nature, must remain in effect beyond + the termination of this License shall survive. + + 6.2. If You assert a patent infringement claim (excluding + declaratory judgment actions) against Initial Developer or a + Contributor (the Initial Developer or Contributor against whom You + assert such claim is referred to as "Participant") alleging that + the Participant Software (meaning the Contributor Version where + the Participant is a Contributor or the Original Software where + the Participant is the Initial Developer) directly or indirectly + infringes any patent, then any and all rights granted directly or + indirectly to You by such Participant, the Initial Developer (if + the Initial Developer is not the Participant) and all Contributors + under Sections 2.1 and/or 2.2 of this License shall, upon 60 days + notice from Participant terminate prospectively and automatically + at the expiration of such 60 day notice period, unless if within + such 60 day period You withdraw Your claim with respect to the + Participant Software against such Participant either unilaterally + or pursuant to a written agreement with Participant. + + 6.3. In the event of termination under Sections 6.1 or 6.2 above, + all end user licenses that have been validly granted by You or any + distributor hereunder prior to termination (excluding licenses + granted to You by any distributor) shall survive termination. + +7. LIMITATION OF LIABILITY. + + UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, WHETHER TORT + (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL YOU, THE + INITIAL DEVELOPER, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF + COVERED SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE + LIABLE TO ANY PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR + CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT + LIMITATION, DAMAGES FOR LOST PROFITS, LOSS OF GOODWILL, WORK + STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL OTHER + COMMERCIAL DAMAGES OR LOSSES, EVEN IF SUCH PARTY SHALL HAVE BEEN + INFORMED OF THE POSSIBILITY OF SUCH DAMAGES. THIS LIMITATION OF + LIABILITY SHALL NOT APPLY TO LIABILITY FOR DEATH OR PERSONAL + INJURY RESULTING FROM SUCH PARTY'S NEGLIGENCE TO THE EXTENT + APPLICABLE LAW PROHIBITS SUCH LIMITATION. SOME JURISDICTIONS DO + NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR + CONSEQUENTIAL DAMAGES, SO THIS EXCLUSION AND LIMITATION MAY NOT + APPLY TO YOU. + +8. U.S. GOVERNMENT END USERS. + + The Covered Software is a "commercial item," as that term is + defined in 48 C.F.R. 2.101 (Oct. 1995), consisting of "commercial + computer software" (as that term is defined at 48 + C.F.R. 252.227-7014(a)(1)) and "commercial computer software + documentation" as such terms are used in 48 C.F.R. 12.212 + (Sept. 1995). Consistent with 48 C.F.R. 12.212 and 48 + C.F.R. 227.7202-1 through 227.7202-4 (June 1995), all + U.S. Government End Users acquire Covered Software with only those + rights set forth herein. This U.S. Government Rights clause is in + lieu of, and supersedes, any other FAR, DFAR, or other clause or + provision that addresses Government rights in computer software + under this License. + +9. MISCELLANEOUS. + + This License represents the complete agreement concerning subject + matter hereof. If any provision of this License is held to be + unenforceable, such provision shall be reformed only to the extent + necessary to make it enforceable. This License shall be governed + by the law of the jurisdiction specified in a notice contained + within the Original Software (except to the extent applicable law, + if any, provides otherwise), excluding such jurisdiction's + conflict-of-law provisions. Any litigation relating to this + License shall be subject to the jurisdiction of the courts located + in the jurisdiction and venue specified in a notice contained + within the Original Software, with the losing party responsible + for costs, including, without limitation, court costs and + reasonable attorneys' fees and expenses. The application of the + United Nations Convention on Contracts for the International Sale + of Goods is expressly excluded. Any law or regulation which + provides that the language of a contract shall be construed + against the drafter shall not apply to this License. You agree + that You alone are responsible for compliance with the United + States export administration regulations (and the export control + laws and regulation of any other countries) when You use, + distribute or otherwise make available any Covered Software. + +10. RESPONSIBILITY FOR CLAIMS. + + As between Initial Developer and the Contributors, each party is + responsible for claims and damages arising, directly or + indirectly, out of its utilization of rights under this License + and You agree to work with Initial Developer and Contributors to + distribute such responsibility on an equitable basis. Nothing + herein is intended or shall be deemed to constitute any admission + of liability. + +-------------------------------------------------------------------- + +NOTICE PURSUANT TO SECTION 9 OF THE COMMON DEVELOPMENT AND +DISTRIBUTION LICENSE (CDDL) + +For Covered Software in this distribution, this License shall +be governed by the laws of the State of California (excluding +conflict-of-law provisions). + +Any litigation relating to this License shall be subject to the +jurisdiction of the Federal Courts of the Northern District of +California and the state courts of the State of California, with +venue lying in Santa Clara County, California. diff --git a/zfs/README.markdown b/zfs/README.markdown new file mode 100644 index 000000000000..3fc88a0e5f21 --- /dev/null +++ b/zfs/README.markdown @@ -0,0 +1,10 @@ +Native ZFS for Linux! + +ZFS is an advanced file system and volume manager which was originally +developed for Solaris and is now maintained by the Illumos community. + +ZFS on Linux, which is also known as ZoL, is currently feature complete. It +includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers. + +Full documentation for installing ZoL on your favorite Linux distribution can +be found at: diff --git a/zfs/aclocal.m4 b/zfs/aclocal.m4 new file mode 100644 index 000000000000..51a5d6fd9317 --- /dev/null +++ b/zfs/aclocal.m4 @@ -0,0 +1,1302 @@ +# generated automatically by aclocal 1.15 -*- Autoconf -*- + +# Copyright (C) 1996-2014 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, +[m4_warning([this file was generated for autoconf 2.69. +You have another version of autoconf. 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Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' + +m4_if([$1], [v7], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], + + [m4_case([$1], + [ustar], + [# The POSIX 1988 'ustar' format is defined with fixed-size fields. + # There is notably a 21 bits limit for the UID and the GID. In fact, + # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 + # and bug#13588). + am_max_uid=2097151 # 2^21 - 1 + am_max_gid=$am_max_uid + # The $UID and $GID variables are not portable, so we need to resort + # to the POSIX-mandated id(1) utility. Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) + if test $am_uid -le $am_max_uid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi + AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) + if test $am_gid -le $am_max_gid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi], + + [pax], + [], + + [m4_fatal([Unknown tar format])]) + + AC_MSG_CHECKING([how to create a $1 tar archive]) + + # Go ahead even if we have the value already cached. We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_$1-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + AM_RUN_LOG([$_am_tar --version]) && break + done + am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x $1 -w "$$tardir"' + am__tar_='pax -L -x $1 -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H $1 -L' + am__tar_='find "$tardir" -print | cpio -o -H $1 -L' + am__untar='cpio -i -H $1 -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar /dev/null 2>&1 && break + fi + done + rm -rf conftest.dir + + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([config/always-no-bool-compare.m4]) +m4_include([config/always-no-unused-but-set-variable.m4]) +m4_include([config/dkms.m4]) +m4_include([config/kernel-acl.m4]) +m4_include([config/kernel-aio-fsync.m4]) +m4_include([config/kernel-automount.m4]) +m4_include([config/kernel-bdev-block-device-operations.m4]) +m4_include([config/kernel-bdev-logical-size.m4]) +m4_include([config/kernel-bdev-physical-size.m4]) +m4_include([config/kernel-bdi-setup-and-register.m4]) +m4_include([config/kernel-bio-bvec-iter.m4]) +m4_include([config/kernel-bio-end-io-t-args.m4]) +m4_include([config/kernel-bio-failfast.m4]) +m4_include([config/kernel-bio-op.m4]) +m4_include([config/kernel-bio-rw-barrier.m4]) +m4_include([config/kernel-bio-rw-discard.m4]) +m4_include([config/kernel-blk-queue-flush.m4]) +m4_include([config/kernel-blk-queue-max-hw-sectors.m4]) +m4_include([config/kernel-blk-queue-max-segments.m4]) +m4_include([config/kernel-blk-queue-unplug.m4]) +m4_include([config/kernel-blkdev-get-by-path.m4]) +m4_include([config/kernel-blkdev-get.m4]) +m4_include([config/kernel-block-device-operations-release-void.m4]) +m4_include([config/kernel-check-disk-size-change.m4]) +m4_include([config/kernel-clear-inode.m4]) +m4_include([config/kernel-commit-metadata.m4]) +m4_include([config/kernel-create-nameidata.m4]) +m4_include([config/kernel-current_bio_tail.m4]) +m4_include([config/kernel-d-make-root.m4]) +m4_include([config/kernel-d-obtain-alias.m4]) +m4_include([config/kernel-d-prune-aliases.m4]) +m4_include([config/kernel-declare-event-class.m4]) +m4_include([config/kernel-dentry-operations.m4]) +m4_include([config/kernel-dirty-inode.m4]) +m4_include([config/kernel-discard-granularity.m4]) +m4_include([config/kernel-elevator-change.m4]) +m4_include([config/kernel-encode-fh-inode.m4]) +m4_include([config/kernel-evict-inode.m4]) +m4_include([config/kernel-fallocate.m4]) +m4_include([config/kernel-file-inode.m4]) +m4_include([config/kernel-fmode-t.m4]) +m4_include([config/kernel-follow-down-one.m4]) +m4_include([config/kernel-fsync.m4]) +m4_include([config/kernel-generic_io_acct.m4]) +m4_include([config/kernel-generic_readlink.m4]) +m4_include([config/kernel-get-disk-ro.m4]) +m4_include([config/kernel-get-gendisk.m4]) +m4_include([config/kernel-get-link.m4]) +m4_include([config/kernel-insert-inode-locked.m4]) +m4_include([config/kernel-invalidate-bdev-args.m4]) +m4_include([config/kernel-is_owner_or_cap.m4]) +m4_include([config/kernel-kmap-atomic-args.m4]) +m4_include([config/kernel-kobj-name-len.m4]) +m4_include([config/kernel-lookup-bdev.m4]) +m4_include([config/kernel-lookup-nameidata.m4]) +m4_include([config/kernel-lseek-execute.m4]) +m4_include([config/kernel-mk-request-fn.m4]) +m4_include([config/kernel-mkdir-umode-t.m4]) +m4_include([config/kernel-mount-nodev.m4]) +m4_include([config/kernel-open-bdev-exclusive.m4]) +m4_include([config/kernel-put-link.m4]) +m4_include([config/kernel-rename.m4]) +m4_include([config/kernel-security-inode-init.m4]) +m4_include([config/kernel-set-nlink.m4]) +m4_include([config/kernel-setattr-prepare.m4]) +m4_include([config/kernel-sget-args.m4]) +m4_include([config/kernel-show-options.m4]) +m4_include([config/kernel-shrink.m4]) +m4_include([config/kernel-submit_bio.m4]) +m4_include([config/kernel-truncate-range.m4]) +m4_include([config/kernel-truncate-setsize.m4]) +m4_include([config/kernel-vfs-iterate.m4]) +m4_include([config/kernel-vfs-rw-iterate.m4]) +m4_include([config/kernel-xattr-handler.m4]) +m4_include([config/kernel.m4]) +m4_include([config/libtool.m4]) +m4_include([config/ltoptions.m4]) +m4_include([config/ltsugar.m4]) +m4_include([config/ltversion.m4]) +m4_include([config/lt~obsolete.m4]) +m4_include([config/mount-helper.m4]) +m4_include([config/user-arch.m4]) +m4_include([config/user-dracut.m4]) +m4_include([config/user-frame-larger-than.m4]) +m4_include([config/user-libblkid.m4]) +m4_include([config/user-libuuid.m4]) +m4_include([config/user-runstatedir.m4]) +m4_include([config/user-systemd.m4]) +m4_include([config/user-sysvinit.m4]) +m4_include([config/user-udev.m4]) +m4_include([config/user-zlib.m4]) +m4_include([config/user.m4]) +m4_include([config/zfs-build.m4]) +m4_include([config/zfs-meta.m4]) diff --git a/zfs/autogen.sh b/zfs/autogen.sh new file mode 100755 index 000000000000..427394af47a3 --- /dev/null +++ b/zfs/autogen.sh @@ -0,0 +1,4 @@ +#!/bin/sh + +autoreconf -fiv +rm -Rf autom4te.cache diff --git a/zfs/config/Rules.am b/zfs/config/Rules.am new file mode 100644 index 000000000000..20a21e972bcd --- /dev/null +++ b/zfs/config/Rules.am @@ -0,0 +1,15 @@ +DEFAULT_INCLUDES = -include ${top_builddir}/zfs_config.h + +AM_LIBTOOLFLAGS = --silent +AM_CFLAGS = ${DEBUG_CFLAGS} -Wall -Wstrict-prototypes +AM_CFLAGS += ${NO_UNUSED_BUT_SET_VARIABLE} +AM_CFLAGS += ${NO_BOOL_COMPARE} +AM_CFLAGS += -fno-strict-aliasing +AM_CPPFLAGS = -D_GNU_SOURCE -D__EXTENSIONS__ -D_REENTRANT +AM_CPPFLAGS += -D_POSIX_PTHREAD_SEMANTICS -D_FILE_OFFSET_BITS=64 +AM_CPPFLAGS += -D_LARGEFILE64_SOURCE -DHAVE_LARGE_STACKS=1 +AM_CPPFLAGS += -DTEXT_DOMAIN=\"zfs-linux-user\" +AM_CPPFLAGS += -DLIBEXECDIR=\"$(libexecdir)\" +AM_CPPFLAGS += -DRUNSTATEDIR=\"$(runstatedir)\" +AM_CPPFLAGS += -DSBINDIR=\"$(sbindir)\" +AM_CPPFLAGS += -DSYSCONFDIR=\"$(sysconfdir)\" diff --git a/zfs/config/always-no-bool-compare.m4 b/zfs/config/always-no-bool-compare.m4 new file mode 100644 index 000000000000..316b04b5047d --- /dev/null +++ b/zfs/config/always-no-bool-compare.m4 @@ -0,0 +1,27 @@ +dnl # +dnl # Check if gcc supports -Wno-bool-compare option. +dnl # +dnl # We actually invoke gcc with the -Wbool-compare option +dnl # and infer the 'no-' version does or doesn't exist based upon +dnl # the results. This is required because when checking any of +dnl # no- prefixed options gcc always returns success. +dnl # +AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_NO_BOOL_COMPARE], [ + AC_MSG_CHECKING([for -Wno-bool-compare support]) + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wbool-compare" + + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], + [ + NO_BOOL_COMPARE=-Wno-bool-compare + AC_MSG_RESULT([yes]) + ], + [ + NO_BOOL_COMPARE= + AC_MSG_RESULT([no]) + ]) + + CFLAGS="$saved_flags" + AC_SUBST([NO_BOOL_COMPARE]) +]) diff --git a/zfs/config/always-no-unused-but-set-variable.m4 b/zfs/config/always-no-unused-but-set-variable.m4 new file mode 100644 index 000000000000..863c90a16a57 --- /dev/null +++ b/zfs/config/always-no-unused-but-set-variable.m4 @@ -0,0 +1,27 @@ +dnl # +dnl # Check if gcc supports -Wno-unused-but-set-variable option. +dnl # +dnl # We actually invoke gcc with the -Wunused-but-set-variable option +dnl # and infer the 'no-' version does or doesn't exist based upon +dnl # the results. This is required because when checking any of +dnl # no- prefixed options gcc always returns success. +dnl # +AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_NO_UNUSED_BUT_SET_VARIABLE], [ + AC_MSG_CHECKING([for -Wno-unused-but-set-variable support]) + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wunused-but-set-variable" + + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], + [ + NO_UNUSED_BUT_SET_VARIABLE=-Wno-unused-but-set-variable + AC_MSG_RESULT([yes]) + ], + [ + NO_UNUSED_BUT_SET_VARIABLE= + AC_MSG_RESULT([no]) + ]) + + CFLAGS="$saved_flags" + AC_SUBST([NO_UNUSED_BUT_SET_VARIABLE]) +]) diff --git a/zfs/config/compile b/zfs/config/compile new file mode 100755 index 000000000000..a85b723c7e67 --- /dev/null +++ b/zfs/config/compile @@ -0,0 +1,347 @@ +#! /bin/sh +# Wrapper for compilers which do not understand '-c -o'. + +scriptversion=2012-10-14.11; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +nl=' +' + +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent tools from complaining about whitespace usage. +IFS=" "" $nl" + +file_conv= + +# func_file_conv build_file lazy +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. If the determined conversion +# type is listed in (the comma separated) LAZY, no conversion will +# take place. +func_file_conv () +{ + file=$1 + case $file in + / | /[!/]*) # absolute file, and not a UNC file + if test -z "$file_conv"; then + # lazily determine how to convert abs files + case `uname -s` in + MINGW*) + file_conv=mingw + ;; + CYGWIN*) + file_conv=cygwin + ;; + *) + file_conv=wine + ;; + esac + fi + case $file_conv/,$2, in + *,$file_conv,*) + ;; + mingw/*) + file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` + ;; + cygwin/*) + file=`cygpath -m "$file" || echo "$file"` + ;; + wine/*) + file=`winepath -w "$file" || echo "$file"` + ;; + esac + ;; + esac +} + +# func_cl_dashL linkdir +# Make cl look for libraries in LINKDIR +func_cl_dashL () +{ + func_file_conv "$1" + if test -z "$lib_path"; then + lib_path=$file + else + lib_path="$lib_path;$file" + fi + linker_opts="$linker_opts -LIBPATH:$file" +} + +# func_cl_dashl library +# Do a library search-path lookup for cl +func_cl_dashl () +{ + lib=$1 + found=no + save_IFS=$IFS + IFS=';' + for dir in $lib_path $LIB + do + IFS=$save_IFS + if $shared && test -f "$dir/$lib.dll.lib"; then + found=yes + lib=$dir/$lib.dll.lib + break + fi + if test -f "$dir/$lib.lib"; then + found=yes + lib=$dir/$lib.lib + break + fi + if test -f "$dir/lib$lib.a"; then + found=yes + lib=$dir/lib$lib.a + break + fi + done + IFS=$save_IFS + + if test "$found" != yes; then + lib=$lib.lib + fi +} + +# func_cl_wrapper cl arg... +# Adjust compile command to suit cl +func_cl_wrapper () +{ + # Assume a capable shell + lib_path= + shared=: + linker_opts= + for arg + do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + eat=1 + case $2 in + *.o | *.[oO][bB][jJ]) + func_file_conv "$2" + set x "$@" -Fo"$file" + shift + ;; + *) + func_file_conv "$2" + set x "$@" -Fe"$file" + shift + ;; + esac + ;; + -I) + eat=1 + func_file_conv "$2" mingw + set x "$@" -I"$file" + shift + ;; + -I*) + func_file_conv "${1#-I}" mingw + set x "$@" -I"$file" + shift + ;; + -l) + eat=1 + func_cl_dashl "$2" + set x "$@" "$lib" + shift + ;; + -l*) + func_cl_dashl "${1#-l}" + set x "$@" "$lib" + shift + ;; + -L) + eat=1 + func_cl_dashL "$2" + ;; + -L*) + func_cl_dashL "${1#-L}" + ;; + -static) + shared=false + ;; + -Wl,*) + arg=${1#-Wl,} + save_ifs="$IFS"; IFS=',' + for flag in $arg; do + IFS="$save_ifs" + linker_opts="$linker_opts $flag" + done + IFS="$save_ifs" + ;; + -Xlinker) + eat=1 + linker_opts="$linker_opts $2" + ;; + -*) + set x "$@" "$1" + shift + ;; + *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) + func_file_conv "$1" + set x "$@" -Tp"$file" + shift + ;; + *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) + func_file_conv "$1" mingw + set x "$@" "$file" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift + done + if test -n "$linker_opts"; then + linker_opts="-link$linker_opts" + fi + exec "$@" $linker_opts + exit 1 +} + +eat= + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: compile [--help] [--version] PROGRAM [ARGS] + +Wrapper for compilers which do not understand '-c -o'. +Remove '-o dest.o' from ARGS, run PROGRAM with the remaining +arguments, and rename the output as expected. + +If you are trying to build a whole package this is not the +right script to run: please start by reading the file 'INSTALL'. + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "compile $scriptversion" + exit $? + ;; + cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) + func_cl_wrapper "$@" # Doesn't return... + ;; +esac + +ofile= +cfile= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + # So we strip '-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift +done + +if test -z "$ofile" || test -z "$cfile"; then + # If no '-o' option was seen then we might have been invoked from a + # pattern rule where we don't need one. That is ok -- this is a + # normal compilation that the losing compiler can handle. If no + # '.c' file was seen then we are probably linking. That is also + # ok. + exec "$@" +fi + +# Name of file we expect compiler to create. +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` + +# Create the lock directory. +# Note: use '[/\\:.-]' here to ensure that we don't use the same name +# that we are using for the .o file. Also, base the name on the expected +# object file name, since that is what matters with a parallel build. +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d +while true; do + if mkdir "$lockdir" >/dev/null 2>&1; then + break + fi + sleep 1 +done +# FIXME: race condition here if user kills between mkdir and trap. +trap "rmdir '$lockdir'; exit 1" 1 2 15 + +# Run the compile. +"$@" +ret=$? + +if test -f "$cofile"; then + test "$cofile" = "$ofile" || mv "$cofile" "$ofile" +elif test -f "${cofile}bj"; then + test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" +fi + +rmdir "$lockdir" +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/zfs/config/config.awk b/zfs/config/config.awk new file mode 100644 index 000000000000..cc4b7cc265cd --- /dev/null +++ b/zfs/config/config.awk @@ -0,0 +1,15 @@ +# Remove default preprocessor define's from config.h +# PACKAGE +# PACKAGE_BUGREPORT +# PACKAGE_NAME +# PACKAGE_STRING +# PACKAGE_TARNAME +# PACKAGE_VERSION +# STDC_HEADERS +# VERSION + +BEGIN { RS = "" ; FS = "\n" } \ + !/.#define PACKAGE./ && \ + !/.#define VERSION./ && \ + !/.#define STDC_HEADERS./ \ + { print $0"\n" } diff --git a/zfs/config/config.guess b/zfs/config/config.guess new file mode 100755 index 000000000000..2e9ad7fe8189 --- /dev/null +++ b/zfs/config/config.guess @@ -0,0 +1,1462 @@ +#! /bin/sh +# Attempt to guess a canonical system name. +# Copyright 1992-2016 Free Software Foundation, Inc. + +timestamp='2016-10-02' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). +# +# Originally written by Per Bothner; maintained since 2000 by Ben Elliston. +# +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess +# +# Please send patches to . + + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright 1992-2016 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +trap 'exit 1' 1 2 15 + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still +# use `HOST_CC' if defined, but it is deprecated. + +# Portable tmp directory creation inspired by the Autoconf team. + +set_cc_for_build=' +trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; +trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; +: ${TMPDIR=/tmp} ; + { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || + { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || + { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || + { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; +dummy=$tmp/dummy ; +tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; +case $CC_FOR_BUILD,$HOST_CC,$CC in + ,,) echo "int x;" > $dummy.c ; + for c in cc gcc c89 c99 ; do + if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then + CC_FOR_BUILD="$c"; break ; + fi ; + done ; + if test x"$CC_FOR_BUILD" = x ; then + CC_FOR_BUILD=no_compiler_found ; + fi + ;; + ,,*) CC_FOR_BUILD=$CC ;; + ,*,*) CC_FOR_BUILD=$HOST_CC ;; +esac ; set_cc_for_build= ;' + +# This is needed to find uname on a Pyramid OSx when run in the BSD universe. +# (ghazi@noc.rutgers.edu 1994-08-24) +if (test -f /.attbin/uname) >/dev/null 2>&1 ; then + PATH=$PATH:/.attbin ; export PATH +fi + +UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown +UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown +UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown +UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + +case "${UNAME_SYSTEM}" in +Linux|GNU|GNU/*) + # If the system lacks a compiler, then just pick glibc. + # We could probably try harder. + LIBC=gnu + + eval $set_cc_for_build + cat <<-EOF > $dummy.c + #include + #if defined(__UCLIBC__) + LIBC=uclibc + #elif defined(__dietlibc__) + LIBC=dietlibc + #else + LIBC=gnu + #endif + EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'` + ;; +esac + +# Note: order is significant - the case branches are not exclusive. + +case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or + # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, + # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + sysctl="sysctl -n hw.machine_arch" + UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \ + /sbin/$sysctl 2>/dev/null || \ + /usr/sbin/$sysctl 2>/dev/null || \ + echo unknown)` + case "${UNAME_MACHINE_ARCH}" in + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + earmv*) + arch=`echo ${UNAME_MACHINE_ARCH} | sed -e 's,^e\(armv[0-9]\).*$,\1,'` + endian=`echo ${UNAME_MACHINE_ARCH} | sed -ne 's,^.*\(eb\)$,\1,p'` + machine=${arch}${endian}-unknown + ;; + *) machine=${UNAME_MACHINE_ARCH}-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently (or will in the future) and ABI. + case "${UNAME_MACHINE_ARCH}" in + earm*) + os=netbsdelf + ;; + arm*|i386|m68k|ns32k|sh3*|sparc|vax) + eval $set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # Determine ABI tags. + case "${UNAME_MACHINE_ARCH}" in + earm*) + expr='s/^earmv[0-9]/-eabi/;s/eb$//' + abi=`echo ${UNAME_MACHINE_ARCH} | sed -e "$expr"` + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case "${UNAME_VERSION}" in + Debian*) + release='-gnu' + ;; + *) + release=`echo ${UNAME_RELEASE} | sed -e 's/[-_].*//' | cut -d. -f1,2` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + echo "${machine}-${os}${release}${abi}" + exit ;; + *:Bitrig:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE} + exit ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} + exit ;; + *:LibertyBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-libertybsd${UNAME_RELEASE} + exit ;; + *:ekkoBSD:*:*) + echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} + exit ;; + *:SolidBSD:*:*) + echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} + exit ;; + macppc:MirBSD:*:*) + echo powerpc-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:MirBSD:*:*) + echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:Sortix:*:*) + echo ${UNAME_MACHINE}-unknown-sortix + exit ;; + alpha:OSF1:*:*) + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case "$ALPHA_CPU_TYPE" in + "EV4 (21064)") + UNAME_MACHINE=alpha ;; + "EV4.5 (21064)") + UNAME_MACHINE=alpha ;; + "LCA4 (21066/21068)") + UNAME_MACHINE=alpha ;; + "EV5 (21164)") + UNAME_MACHINE=alphaev5 ;; + "EV5.6 (21164A)") + UNAME_MACHINE=alphaev56 ;; + "EV5.6 (21164PC)") + UNAME_MACHINE=alphapca56 ;; + "EV5.7 (21164PC)") + UNAME_MACHINE=alphapca57 ;; + "EV6 (21264)") + UNAME_MACHINE=alphaev6 ;; + "EV6.7 (21264A)") + UNAME_MACHINE=alphaev67 ;; + "EV6.8CB (21264C)") + UNAME_MACHINE=alphaev68 ;; + "EV6.8AL (21264B)") + UNAME_MACHINE=alphaev68 ;; + "EV6.8CX (21264D)") + UNAME_MACHINE=alphaev68 ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE=alphaev69 ;; + "EV7 (21364)") + UNAME_MACHINE=alphaev7 ;; + "EV7.9 (21364A)") + UNAME_MACHINE=alphaev79 ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + exitcode=$? + trap '' 0 + exit $exitcode ;; + Alpha\ *:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # Should we change UNAME_MACHINE based on the output of uname instead + # of the specific Alpha model? + echo alpha-pc-interix + exit ;; + 21064:Windows_NT:50:3) + echo alpha-dec-winnt3.5 + exit ;; + Amiga*:UNIX_System_V:4.0:*) + echo m68k-unknown-sysv4 + exit ;; + *:[Aa]miga[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-amigaos + exit ;; + *:[Mm]orph[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-morphos + exit ;; + *:OS/390:*:*) + echo i370-ibm-openedition + exit ;; + *:z/VM:*:*) + echo s390-ibm-zvmoe + exit ;; + *:OS400:*:*) + echo powerpc-ibm-os400 + exit ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + echo arm-acorn-riscix${UNAME_RELEASE} + exit ;; + arm*:riscos:*:*|arm*:RISCOS:*:*) + echo arm-unknown-riscos + exit ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + echo hppa1.1-hitachi-hiuxmpp + exit ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + if test "`(/bin/universe) 2>/dev/null`" = att ; then + echo pyramid-pyramid-sysv3 + else + echo pyramid-pyramid-bsd + fi + exit ;; + NILE*:*:*:dcosx) + echo pyramid-pyramid-svr4 + exit ;; + DRS?6000:unix:4.0:6*) + echo sparc-icl-nx6 + exit ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) echo sparc-icl-nx7; exit ;; + esac ;; + s390x:SunOS:*:*) + echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4H:SunOS:5.*:*) + echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + eval $set_cc_for_build + SUN_ARCH=i386 + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if [ "$CC_FOR_BUILD" != no_compiler_found ]; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH=x86_64 + fi + fi + echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:*:*) + case "`/usr/bin/arch -k`" in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` + exit ;; + sun3*:SunOS:*:*) + echo m68k-sun-sunos${UNAME_RELEASE} + exit ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x${UNAME_RELEASE}" = x && UNAME_RELEASE=3 + case "`/bin/arch`" in + sun3) + echo m68k-sun-sunos${UNAME_RELEASE} + ;; + sun4) + echo sparc-sun-sunos${UNAME_RELEASE} + ;; + esac + exit ;; + aushp:SunOS:*:*) + echo sparc-auspex-sunos${UNAME_RELEASE} + exit ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; + m68k:machten:*:*) + echo m68k-apple-machten${UNAME_RELEASE} + exit ;; + powerpc:machten:*:*) + echo powerpc-apple-machten${UNAME_RELEASE} + exit ;; + RISC*:Mach:*:*) + echo mips-dec-mach_bsd4.3 + exit ;; + RISC*:ULTRIX:*:*) + echo mips-dec-ultrix${UNAME_RELEASE} + exit ;; + VAX*:ULTRIX*:*:*) + echo vax-dec-ultrix${UNAME_RELEASE} + exit ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + echo clipper-intergraph-clix${UNAME_RELEASE} + exit ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && + dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`$dummy $dummyarg` && + { echo "$SYSTEM_NAME"; exit; } + echo mips-mips-riscos${UNAME_RELEASE} + exit ;; + Motorola:PowerMAX_OS:*:*) + echo powerpc-motorola-powermax + exit ;; + Motorola:*:4.3:PL8-*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:Power_UNIX:*:*) + echo powerpc-harris-powerunix + exit ;; + m88k:CX/UX:7*:*) + echo m88k-harris-cxux7 + exit ;; + m88k:*:4*:R4*) + echo m88k-motorola-sysv4 + exit ;; + m88k:*:3*:R3*) + echo m88k-motorola-sysv3 + exit ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] + then + if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ + [ ${TARGET_BINARY_INTERFACE}x = x ] + then + echo m88k-dg-dgux${UNAME_RELEASE} + else + echo m88k-dg-dguxbcs${UNAME_RELEASE} + fi + else + echo i586-dg-dgux${UNAME_RELEASE} + fi + exit ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + echo m88k-dolphin-sysv3 + exit ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + echo m88k-motorola-sysv3 + exit ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + echo m88k-tektronix-sysv3 + exit ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + echo m68k-tektronix-bsd + exit ;; + *:IRIX*:*:*) + echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` + exit ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id + exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + echo i386-ibm-aix + exit ;; + ia64:AIX:*:*) + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} + exit ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` + then + echo "$SYSTEM_NAME" + else + echo rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + echo rs6000-ibm-aix3.2.4 + else + echo rs6000-ibm-aix3.2 + fi + exit ;; + *:AIX:*:[4567]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if [ -x /usr/bin/lslpp ] ; then + IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | + awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${IBM_ARCH}-ibm-aix${IBM_REV} + exit ;; + *:AIX:*:*) + echo rs6000-ibm-aix + exit ;; + ibmrt:4.4BSD:*|romp-ibm:BSD:*) + echo romp-ibm-bsd4.4 + exit ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to + exit ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + echo rs6000-bull-bosx + exit ;; + DPX/2?00:B.O.S.:*:*) + echo m68k-bull-sysv3 + exit ;; + 9000/[34]??:4.3bsd:1.*:*) + echo m68k-hp-bsd + exit ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + echo m68k-hp-bsd4.4 + exit ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + case "${UNAME_MACHINE}" in + 9000/31? ) HP_ARCH=m68000 ;; + 9000/[34]?? ) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if [ -x /usr/bin/getconf ]; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 + 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH=hppa2.0n ;; + 64) HP_ARCH=hppa2.0w ;; + '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 + esac ;; + esac + fi + if [ "${HP_ARCH}" = "" ]; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS="" $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if [ ${HP_ARCH} = hppa2.0w ] + then + eval $set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH=hppa2.0w + else + HP_ARCH=hppa64 + fi + fi + echo ${HP_ARCH}-hp-hpux${HPUX_REV} + exit ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + echo ia64-hp-hpux${HPUX_REV} + exit ;; + 3050*:HI-UX:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + echo unknown-hitachi-hiuxwe2 + exit ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) + echo hppa1.1-hp-bsd + exit ;; + 9000/8??:4.3bsd:*:*) + echo hppa1.0-hp-bsd + exit ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + echo hppa1.0-hp-mpeix + exit ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) + echo hppa1.1-hp-osf + exit ;; + hp8??:OSF1:*:*) + echo hppa1.0-hp-osf + exit ;; + i*86:OSF1:*:*) + if [ -x /usr/sbin/sysversion ] ; then + echo ${UNAME_MACHINE}-unknown-osf1mk + else + echo ${UNAME_MACHINE}-unknown-osf1 + fi + exit ;; + parisc*:Lites*:*:*) + echo hppa1.1-hp-lites + exit ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + echo c1-convex-bsd + exit ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + echo c34-convex-bsd + exit ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + echo c38-convex-bsd + exit ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + echo c4-convex-bsd + exit ;; + CRAY*Y-MP:*:*:*) + echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*[A-Z]90:*:*:*) + echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*T3E:*:*:*) + echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*SV1:*:*:*) + echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + *:UNICOS/mp:*:*) + echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` + FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} + exit ;; + sparc*:BSD/OS:*:*) + echo sparc-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:BSD/OS:*:*) + echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:FreeBSD:*:*) + UNAME_PROCESSOR=`/usr/bin/uname -p` + case ${UNAME_PROCESSOR} in + amd64) + echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + *) + echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + esac + exit ;; + i*:CYGWIN*:*) + echo ${UNAME_MACHINE}-pc-cygwin + exit ;; + *:MINGW64*:*) + echo ${UNAME_MACHINE}-pc-mingw64 + exit ;; + *:MINGW*:*) + echo ${UNAME_MACHINE}-pc-mingw32 + exit ;; + *:MSYS*:*) + echo ${UNAME_MACHINE}-pc-msys + exit ;; + i*:windows32*:*) + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 + exit ;; + i*:PW*:*) + echo ${UNAME_MACHINE}-pc-pw32 + exit ;; + *:Interix*:*) + case ${UNAME_MACHINE} in + x86) + echo i586-pc-interix${UNAME_RELEASE} + exit ;; + authenticamd | genuineintel | EM64T) + echo x86_64-unknown-interix${UNAME_RELEASE} + exit ;; + IA64) + echo ia64-unknown-interix${UNAME_RELEASE} + exit ;; + esac ;; + [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) + echo i${UNAME_MACHINE}-pc-mks + exit ;; + 8664:Windows_NT:*) + echo x86_64-pc-mks + exit ;; + i*:Windows_NT*:* | Pentium*:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we + # UNAME_MACHINE based on the output of uname instead of i386? + echo i586-pc-interix + exit ;; + i*:UWIN*:*) + echo ${UNAME_MACHINE}-pc-uwin + exit ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + echo x86_64-unknown-cygwin + exit ;; + p*:CYGWIN*:*) + echo powerpcle-unknown-cygwin + exit ;; + prep*:SunOS:5.*:*) + echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + *:GNU:*:*) + # the GNU system + echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` + exit ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} + exit ;; + i*86:Minix:*:*) + echo ${UNAME_MACHINE}-pc-minix + exit ;; + aarch64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC=gnulibc1 ; fi + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arc:Linux:*:* | arceb:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi + else + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf + fi + fi + exit ;; + avr32*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + cris:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + crisv32:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + e2k:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + frv:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + hexagon:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + ia64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + k1om:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m32r*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m68*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #undef CPU + #undef ${UNAME_MACHINE} + #undef ${UNAME_MACHINE}el + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + CPU=${UNAME_MACHINE}el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + CPU=${UNAME_MACHINE} + #else + CPU= + #endif + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` + test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } + ;; + mips64el:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + openrisc*:Linux:*:*) + echo or1k-unknown-linux-${LIBC} + exit ;; + or32:Linux:*:* | or1k*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + padre:Linux:*:*) + echo sparc-unknown-linux-${LIBC} + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-${LIBC} + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; + PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; + *) echo hppa-unknown-linux-${LIBC} ;; + esac + exit ;; + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-${LIBC} + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-${LIBC} + exit ;; + ppc64le:Linux:*:*) + echo powerpc64le-unknown-linux-${LIBC} + exit ;; + ppcle:Linux:*:*) + echo powerpcle-unknown-linux-${LIBC} + exit ;; + riscv32:Linux:*:* | riscv64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux-${LIBC} + exit ;; + sh64*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sh*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + tile*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + vax:Linux:*:*) + echo ${UNAME_MACHINE}-dec-linux-${LIBC} + exit ;; + x86_64:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + xtensa*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + echo i386-sequent-sysv4 + exit ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} + exit ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + echo ${UNAME_MACHINE}-pc-os2-emx + exit ;; + i*86:XTS-300:*:STOP) + echo ${UNAME_MACHINE}-unknown-stop + exit ;; + i*86:atheos:*:*) + echo ${UNAME_MACHINE}-unknown-atheos + exit ;; + i*86:syllable:*:*) + echo ${UNAME_MACHINE}-pc-syllable + exit ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + echo i386-unknown-lynxos${UNAME_RELEASE} + exit ;; + i*86:*DOS:*:*) + echo ${UNAME_MACHINE}-pc-msdosdjgpp + exit ;; + i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) + UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} + else + echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} + fi + exit ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + exit ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + echo ${UNAME_MACHINE}-pc-sco$UNAME_REL + else + echo ${UNAME_MACHINE}-pc-sysv32 + fi + exit ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configure will decide that + # this is a cross-build. + echo i586-pc-msdosdjgpp + exit ;; + Intel:Mach:3*:*) + echo i386-pc-mach3 + exit ;; + paragon:*:*:*) + echo i860-intel-osf1 + exit ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 + fi + exit ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + echo m68010-convergent-sysv + exit ;; + mc68k:UNIX:SYSTEM5:3.51m) + echo m68k-convergent-sysv + exit ;; + M680?0:D-NIX:5.3:*) + echo m68k-diab-dnix + exit ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + echo m68k-unknown-lynxos${UNAME_RELEASE} + exit ;; + mc68030:UNIX_System_V:4.*:*) + echo m68k-atari-sysv4 + exit ;; + TSUNAMI:LynxOS:2.*:*) + echo sparc-unknown-lynxos${UNAME_RELEASE} + exit ;; + rs6000:LynxOS:2.*:*) + echo rs6000-unknown-lynxos${UNAME_RELEASE} + exit ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + echo powerpc-unknown-lynxos${UNAME_RELEASE} + exit ;; + SM[BE]S:UNIX_SV:*:*) + echo mips-dde-sysv${UNAME_RELEASE} + exit ;; + RM*:ReliantUNIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + RM*:SINIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + echo ${UNAME_MACHINE}-sni-sysv4 + else + echo ns32k-sni-sysv + fi + exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + echo hppa1.1-stratus-sysv4 + exit ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + echo i860-stratus-sysv4 + exit ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + echo ${UNAME_MACHINE}-stratus-vos + exit ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + echo hppa1.1-stratus-vos + exit ;; + mc68*:A/UX:*:*) + echo m68k-apple-aux${UNAME_RELEASE} + exit ;; + news*:NEWS-OS:6*:*) + echo mips-sony-newsos6 + exit ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if [ -d /usr/nec ]; then + echo mips-nec-sysv${UNAME_RELEASE} + else + echo mips-unknown-sysv${UNAME_RELEASE} + fi + exit ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + echo powerpc-be-beos + exit ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + echo powerpc-apple-beos + exit ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + echo i586-pc-beos + exit ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + echo i586-pc-haiku + exit ;; + x86_64:Haiku:*:*) + echo x86_64-unknown-haiku + exit ;; + SX-4:SUPER-UX:*:*) + echo sx4-nec-superux${UNAME_RELEASE} + exit ;; + SX-5:SUPER-UX:*:*) + echo sx5-nec-superux${UNAME_RELEASE} + exit ;; + SX-6:SUPER-UX:*:*) + echo sx6-nec-superux${UNAME_RELEASE} + exit ;; + SX-7:SUPER-UX:*:*) + echo sx7-nec-superux${UNAME_RELEASE} + exit ;; + SX-8:SUPER-UX:*:*) + echo sx8-nec-superux${UNAME_RELEASE} + exit ;; + SX-8R:SUPER-UX:*:*) + echo sx8r-nec-superux${UNAME_RELEASE} + exit ;; + SX-ACE:SUPER-UX:*:*) + echo sxace-nec-superux${UNAME_RELEASE} + exit ;; + Power*:Rhapsody:*:*) + echo powerpc-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Rhapsody:*:*) + echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown + eval $set_cc_for_build + if test "$UNAME_PROCESSOR" = unknown ; then + UNAME_PROCESSOR=powerpc + fi + if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then + if [ "$CC_FOR_BUILD" != no_compiler_found ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + case $UNAME_PROCESSOR in + i386) UNAME_PROCESSOR=x86_64 ;; + powerpc) UNAME_PROCESSOR=powerpc64 ;; + esac + fi + fi + elif test "$UNAME_PROCESSOR" = i386 ; then + # Avoid executing cc on OS X 10.9, as it ships with a stub + # that puts up a graphical alert prompting to install + # developer tools. Any system running Mac OS X 10.7 or + # later (Darwin 11 and later) is required to have a 64-bit + # processor. This is not true of the ARM version of Darwin + # that Apple uses in portable devices. + UNAME_PROCESSOR=x86_64 + fi + echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} + exit ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = x86; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} + exit ;; + *:QNX:*:4*) + echo i386-pc-qnx + exit ;; + NEO-?:NONSTOP_KERNEL:*:*) + echo neo-tandem-nsk${UNAME_RELEASE} + exit ;; + NSE-*:NONSTOP_KERNEL:*:*) + echo nse-tandem-nsk${UNAME_RELEASE} + exit ;; + NSR-?:NONSTOP_KERNEL:*:*) + echo nsr-tandem-nsk${UNAME_RELEASE} + exit ;; + *:NonStop-UX:*:*) + echo mips-compaq-nonstopux + exit ;; + BS2000:POSIX*:*:*) + echo bs2000-siemens-sysv + exit ;; + DS/*:UNIX_System_V:*:*) + echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} + exit ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "$cputype" = 386; then + UNAME_MACHINE=i386 + else + UNAME_MACHINE="$cputype" + fi + echo ${UNAME_MACHINE}-unknown-plan9 + exit ;; + *:TOPS-10:*:*) + echo pdp10-unknown-tops10 + exit ;; + *:TENEX:*:*) + echo pdp10-unknown-tenex + exit ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + echo pdp10-dec-tops20 + exit ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + echo pdp10-xkl-tops20 + exit ;; + *:TOPS-20:*:*) + echo pdp10-unknown-tops20 + exit ;; + *:ITS:*:*) + echo pdp10-unknown-its + exit ;; + SEI:*:*:SEIUX) + echo mips-sei-seiux${UNAME_RELEASE} + exit ;; + *:DragonFly:*:*) + echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` + exit ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case "${UNAME_MACHINE}" in + A*) echo alpha-dec-vms ; exit ;; + I*) echo ia64-dec-vms ; exit ;; + V*) echo vax-dec-vms ; exit ;; + esac ;; + *:XENIX:*:SysV) + echo i386-pc-xenix + exit ;; + i*86:skyos:*:*) + echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE} | sed -e 's/ .*$//'` + exit ;; + i*86:rdos:*:*) + echo ${UNAME_MACHINE}-pc-rdos + exit ;; + i*86:AROS:*:*) + echo ${UNAME_MACHINE}-pc-aros + exit ;; + x86_64:VMkernel:*:*) + echo ${UNAME_MACHINE}-unknown-esx + exit ;; + amd64:Isilon\ OneFS:*:*) + echo x86_64-unknown-onefs + exit ;; +esac + +cat >&2 </dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = ${UNAME_MACHINE} +UNAME_RELEASE = ${UNAME_RELEASE} +UNAME_SYSTEM = ${UNAME_SYSTEM} +UNAME_VERSION = ${UNAME_VERSION} +EOF + +exit 1 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/zfs/config/config.sub b/zfs/config/config.sub new file mode 100755 index 000000000000..dd2ca93c6fbe --- /dev/null +++ b/zfs/config/config.sub @@ -0,0 +1,1825 @@ +#! /bin/sh +# Configuration validation subroutine script. +# Copyright 1992-2016 Free Software Foundation, Inc. + +timestamp='2016-11-04' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). + + +# Please send patches to . +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS + +Canonicalize a configuration name. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright 1992-2016 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo $1 + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ + linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \ + kopensolaris*-gnu* | cloudabi*-eabi* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + android-linux) + os=-linux-android + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac + +### Let's recognize common machines as not being operating systems so +### that things like config.sub decstation-3100 work. We also +### recognize some manufacturers as not being operating systems, so we +### can provide default operating systems below. +case $os in + -sun*os*) + # Prevent following clause from handling this invalid input. + ;; + -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ + -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ + -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ + -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ + -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ + -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ + -apple | -axis | -knuth | -cray | -microblaze*) + os= + basic_machine=$1 + ;; + -bluegene*) + os=-cnk + ;; + -sim | -cisco | -oki | -wec | -winbond) + os= + basic_machine=$1 + ;; + -scout) + ;; + -wrs) + os=-vxworks + basic_machine=$1 + ;; + -chorusos*) + os=-chorusos + basic_machine=$1 + ;; + -chorusrdb) + os=-chorusrdb + basic_machine=$1 + ;; + -hiux*) + os=-hiuxwe2 + ;; + -sco6) + os=-sco5v6 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5) + os=-sco3.2v5 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco4) + os=-sco3.2v4 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2.[4-9]*) + os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2v[4-9]*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5v6*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco*) + os=-sco3.2v2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -udk*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -isc) + os=-isc2.2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -clix*) + basic_machine=clipper-intergraph + ;; + -isc*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -lynx*178) + os=-lynxos178 + ;; + -lynx*5) + os=-lynxos5 + ;; + -lynx*) + os=-lynxos + ;; + -ptx*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` + ;; + -windowsnt*) + os=`echo $os | sed -e 's/windowsnt/winnt/'` + ;; + -psos*) + os=-psos + ;; + -mint | -mint[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; +esac + +# Decode aliases for certain CPU-COMPANY combinations. +case $basic_machine in + # Recognize the basic CPU types without company name. + # Some are omitted here because they have special meanings below. + 1750a | 580 \ + | a29k \ + | aarch64 | aarch64_be \ + | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ + | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ + | am33_2.0 \ + | arc | arceb \ + | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ + | avr | avr32 \ + | ba \ + | be32 | be64 \ + | bfin \ + | c4x | c8051 | clipper \ + | d10v | d30v | dlx | dsp16xx \ + | e2k | epiphany \ + | fido | fr30 | frv | ft32 \ + | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | hexagon \ + | i370 | i860 | i960 | ia64 \ + | ip2k | iq2000 \ + | k1om \ + | le32 | le64 \ + | lm32 \ + | m32c | m32r | m32rle | m68000 | m68k | m88k \ + | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ + | mips | mipsbe | mipseb | mipsel | mipsle \ + | mips16 \ + | mips64 | mips64el \ + | mips64octeon | mips64octeonel \ + | mips64orion | mips64orionel \ + | mips64r5900 | mips64r5900el \ + | mips64vr | mips64vrel \ + | mips64vr4100 | mips64vr4100el \ + | mips64vr4300 | mips64vr4300el \ + | mips64vr5000 | mips64vr5000el \ + | mips64vr5900 | mips64vr5900el \ + | mipsisa32 | mipsisa32el \ + | mipsisa32r2 | mipsisa32r2el \ + | mipsisa32r6 | mipsisa32r6el \ + | mipsisa64 | mipsisa64el \ + | mipsisa64r2 | mipsisa64r2el \ + | mipsisa64r6 | mipsisa64r6el \ + | mipsisa64sb1 | mipsisa64sb1el \ + | mipsisa64sr71k | mipsisa64sr71kel \ + | mipsr5900 | mipsr5900el \ + | mipstx39 | mipstx39el \ + | mn10200 | mn10300 \ + | moxie \ + | mt \ + | msp430 \ + | nds32 | nds32le | nds32be \ + | nios | nios2 | nios2eb | nios2el \ + | ns16k | ns32k \ + | open8 | or1k | or1knd | or32 \ + | pdp10 | pdp11 | pj | pjl \ + | powerpc | powerpc64 | powerpc64le | powerpcle \ + | pru \ + | pyramid \ + | riscv32 | riscv64 \ + | rl78 | rx \ + | score \ + | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ + | sh64 | sh64le \ + | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ + | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ + | spu \ + | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ + | visium \ + | we32k \ + | x86 | xc16x | xstormy16 | xtensa \ + | z8k | z80) + basic_machine=$basic_machine-unknown + ;; + c54x) + basic_machine=tic54x-unknown + ;; + c55x) + basic_machine=tic55x-unknown + ;; + c6x) + basic_machine=tic6x-unknown + ;; + leon|leon[3-9]) + basic_machine=sparc-$basic_machine + ;; + m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) + basic_machine=$basic_machine-unknown + os=-none + ;; + m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) + ;; + ms1) + basic_machine=mt-unknown + ;; + + strongarm | thumb | xscale) + basic_machine=arm-unknown + ;; + xgate) + basic_machine=$basic_machine-unknown + os=-none + ;; + xscaleeb) + basic_machine=armeb-unknown + ;; + + xscaleel) + basic_machine=armel-unknown + ;; + + # We use `pc' rather than `unknown' + # because (1) that's what they normally are, and + # (2) the word "unknown" tends to confuse beginning users. + i*86 | x86_64) + basic_machine=$basic_machine-pc + ;; + # Object if more than one company name word. + *-*-*) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; + # Recognize the basic CPU types with company name. + 580-* \ + | a29k-* \ + | aarch64-* | aarch64_be-* \ + | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ + | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ + | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ + | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ + | avr-* | avr32-* \ + | ba-* \ + | be32-* | be64-* \ + | bfin-* | bs2000-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* \ + | c8051-* | clipper-* | craynv-* | cydra-* \ + | d10v-* | d30v-* | dlx-* \ + | e2k-* | elxsi-* \ + | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ + | h8300-* | h8500-* \ + | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | hexagon-* \ + | i*86-* | i860-* | i960-* | ia64-* \ + | ip2k-* | iq2000-* \ + | k1om-* \ + | le32-* | le64-* \ + | lm32-* \ + | m32c-* | m32r-* | m32rle-* \ + | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ + | microblaze-* | microblazeel-* \ + | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ + | mips16-* \ + | mips64-* | mips64el-* \ + | mips64octeon-* | mips64octeonel-* \ + | mips64orion-* | mips64orionel-* \ + | mips64r5900-* | mips64r5900el-* \ + | mips64vr-* | mips64vrel-* \ + | mips64vr4100-* | mips64vr4100el-* \ + | mips64vr4300-* | mips64vr4300el-* \ + | mips64vr5000-* | mips64vr5000el-* \ + | mips64vr5900-* | mips64vr5900el-* \ + | mipsisa32-* | mipsisa32el-* \ + | mipsisa32r2-* | mipsisa32r2el-* \ + | mipsisa32r6-* | mipsisa32r6el-* \ + | mipsisa64-* | mipsisa64el-* \ + | mipsisa64r2-* | mipsisa64r2el-* \ + | mipsisa64r6-* | mipsisa64r6el-* \ + | mipsisa64sb1-* | mipsisa64sb1el-* \ + | mipsisa64sr71k-* | mipsisa64sr71kel-* \ + | mipsr5900-* | mipsr5900el-* \ + | mipstx39-* | mipstx39el-* \ + | mmix-* \ + | mt-* \ + | msp430-* \ + | nds32-* | nds32le-* | nds32be-* \ + | nios-* | nios2-* | nios2eb-* | nios2el-* \ + | none-* | np1-* | ns16k-* | ns32k-* \ + | open8-* \ + | or1k*-* \ + | orion-* \ + | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ + | pru-* \ + | pyramid-* \ + | riscv32-* | riscv64-* \ + | rl78-* | romp-* | rs6000-* | rx-* \ + | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ + | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ + | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ + | sparclite-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \ + | tahoe-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ + | tile*-* \ + | tron-* \ + | ubicom32-* \ + | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ + | vax-* \ + | visium-* \ + | we32k-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* \ + | xstormy16-* | xtensa*-* \ + | ymp-* \ + | z8k-* | z80-*) + ;; + # Recognize the basic CPU types without company name, with glob match. + xtensa*) + basic_machine=$basic_machine-unknown + ;; + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 386bsd) + basic_machine=i386-unknown + os=-bsd + ;; + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + basic_machine=m68000-att + ;; + 3b*) + basic_machine=we32k-att + ;; + a29khif) + basic_machine=a29k-amd + os=-udi + ;; + abacus) + basic_machine=abacus-unknown + ;; + adobe68k) + basic_machine=m68010-adobe + os=-scout + ;; + alliant | fx80) + basic_machine=fx80-alliant + ;; + altos | altos3068) + basic_machine=m68k-altos + ;; + am29k) + basic_machine=a29k-none + os=-bsd + ;; + amd64) + basic_machine=x86_64-pc + ;; + amd64-*) + basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + amdahl) + basic_machine=580-amdahl + os=-sysv + ;; + amiga | amiga-*) + basic_machine=m68k-unknown + ;; + amigaos | amigados) + basic_machine=m68k-unknown + os=-amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + os=-sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + os=-sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + os=-bsd + ;; + aros) + basic_machine=i386-pc + os=-aros + ;; + asmjs) + basic_machine=asmjs-unknown + ;; + aux) + basic_machine=m68k-apple + os=-aux + ;; + balance) + basic_machine=ns32k-sequent + os=-dynix + ;; + blackfin) + basic_machine=bfin-unknown + os=-linux + ;; + blackfin-*) + basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + bluegene*) + basic_machine=powerpc-ibm + os=-cnk + ;; + c54x-*) + basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c55x-*) + basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c6x-*) + basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c90) + basic_machine=c90-cray + os=-unicos + ;; + cegcc) + basic_machine=arm-unknown + os=-cegcc + ;; + convex-c1) + basic_machine=c1-convex + os=-bsd + ;; + convex-c2) + basic_machine=c2-convex + os=-bsd + ;; + convex-c32) + basic_machine=c32-convex + os=-bsd + ;; + convex-c34) + basic_machine=c34-convex + os=-bsd + ;; + convex-c38) + basic_machine=c38-convex + os=-bsd + ;; + cray | j90) + basic_machine=j90-cray + os=-unicos + ;; + craynv) + basic_machine=craynv-cray + os=-unicosmp + ;; + cr16 | cr16-*) + basic_machine=cr16-unknown + os=-elf + ;; + crds | unos) + basic_machine=m68k-crds + ;; + crisv32 | crisv32-* | etraxfs*) + basic_machine=crisv32-axis + ;; + cris | cris-* | etrax*) + basic_machine=cris-axis + ;; + crx) + basic_machine=crx-unknown + os=-elf + ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; + decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) + basic_machine=mips-dec + ;; + decsystem10* | dec10*) + basic_machine=pdp10-dec + os=-tops10 + ;; + decsystem20* | dec20*) + basic_machine=pdp10-dec + os=-tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + basic_machine=m68k-motorola + ;; + delta88) + basic_machine=m88k-motorola + os=-sysv3 + ;; + dicos) + basic_machine=i686-pc + os=-dicos + ;; + djgpp) + basic_machine=i586-pc + os=-msdosdjgpp + ;; + dpx20 | dpx20-*) + basic_machine=rs6000-bull + os=-bosx + ;; + dpx2* | dpx2*-bull) + basic_machine=m68k-bull + os=-sysv3 + ;; + e500v[12]) + basic_machine=powerpc-unknown + os=$os"spe" + ;; + e500v[12]-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + os=$os"spe" + ;; + ebmon29k) + basic_machine=a29k-amd + os=-ebmon + ;; + elxsi) + basic_machine=elxsi-elxsi + os=-bsd + ;; + encore | umax | mmax) + basic_machine=ns32k-encore + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + os=-ose + ;; + fx2800) + basic_machine=i860-alliant + ;; + genix) + basic_machine=ns32k-ns + ;; + gmicro) + basic_machine=tron-gmicro + os=-sysv + ;; + go32) + basic_machine=i386-pc + os=-go32 + ;; + h3050r* | hiux*) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + h8300hms) + basic_machine=h8300-hitachi + os=-hms + ;; + h8300xray) + basic_machine=h8300-hitachi + os=-xray + ;; + h8500hms) + basic_machine=h8500-hitachi + os=-hms + ;; + harris) + basic_machine=m88k-harris + os=-sysv3 + ;; + hp300-*) + basic_machine=m68k-hp + ;; + hp300bsd) + basic_machine=m68k-hp + os=-bsd + ;; + hp300hpux) + basic_machine=m68k-hp + os=-hpux + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + basic_machine=m68000-hp + ;; + hp9k3[2-9][0-9]) + basic_machine=m68k-hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + basic_machine=hppa1.1-hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hppa-next) + os=-nextstep3 + ;; + hppaosf) + basic_machine=hppa1.1-hp + os=-osf + ;; + hppro) + basic_machine=hppa1.1-hp + os=-proelf + ;; + i370-ibm* | ibm*) + basic_machine=i370-ibm + ;; + i*86v32) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv32 + ;; + i*86v4*) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv4 + ;; + i*86v) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv + ;; + i*86sol2) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-solaris2 + ;; + i386mach) + basic_machine=i386-mach + os=-mach + ;; + i386-vsta | vsta) + basic_machine=i386-unknown + os=-vsta + ;; + iris | iris4d) + basic_machine=mips-sgi + case $os in + -irix*) + ;; + *) + os=-irix4 + ;; + esac + ;; + isi68 | isi) + basic_machine=m68k-isi + os=-sysv + ;; + leon-*|leon[3-9]-*) + basic_machine=sparc-`echo $basic_machine | sed 's/-.*//'` + ;; + m68knommu) + basic_machine=m68k-unknown + os=-linux + ;; + m68knommu-*) + basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + m88k-omron*) + basic_machine=m88k-omron + ;; + magnum | m3230) + basic_machine=mips-mips + os=-sysv + ;; + merlin) + basic_machine=ns32k-utek + os=-sysv + ;; + microblaze*) + basic_machine=microblaze-xilinx + ;; + mingw64) + basic_machine=x86_64-pc + os=-mingw64 + ;; + mingw32) + basic_machine=i686-pc + os=-mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + os=-mingw32ce + ;; + miniframe) + basic_machine=m68000-convergent + ;; + *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; + mips3*-*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` + ;; + mips3*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown + ;; + monitor) + basic_machine=m68k-rom68k + os=-coff + ;; + morphos) + basic_machine=powerpc-unknown + os=-morphos + ;; + moxiebox) + basic_machine=moxie-unknown + os=-moxiebox + ;; + msdos) + basic_machine=i386-pc + os=-msdos + ;; + ms1-*) + basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` + ;; + msys) + basic_machine=i686-pc + os=-msys + ;; + mvs) + basic_machine=i370-ibm + os=-mvs + ;; + nacl) + basic_machine=le32-unknown + os=-nacl + ;; + ncr3000) + basic_machine=i486-ncr + os=-sysv4 + ;; + netbsd386) + basic_machine=i386-unknown + os=-netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + os=-linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + os=-newsos + ;; + news1000) + basic_machine=m68030-sony + os=-newsos + ;; + news-3600 | risc-news) + basic_machine=mips-sony + os=-newsos + ;; + necv70) + basic_machine=v70-nec + os=-sysv + ;; + next | m*-next ) + basic_machine=m68k-next + case $os in + -nextstep* ) + ;; + -ns2*) + os=-nextstep2 + ;; + *) + os=-nextstep3 + ;; + esac + ;; + nh3000) + basic_machine=m68k-harris + os=-cxux + ;; + nh[45]000) + basic_machine=m88k-harris + os=-cxux + ;; + nindy960) + basic_machine=i960-intel + os=-nindy + ;; + mon960) + basic_machine=i960-intel + os=-mon960 + ;; + nonstopux) + basic_machine=mips-compaq + os=-nonstopux + ;; + np1) + basic_machine=np1-gould + ;; + neo-tandem) + basic_machine=neo-tandem + ;; + nse-tandem) + basic_machine=nse-tandem + ;; + nsr-tandem) + basic_machine=nsr-tandem + ;; + op50n-* | op60c-*) + basic_machine=hppa1.1-oki + os=-proelf + ;; + openrisc | openrisc-*) + basic_machine=or32-unknown + ;; + os400) + basic_machine=powerpc-ibm + os=-os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + os=-ose + ;; + os68k) + basic_machine=m68k-none + os=-os68k + ;; + pa-hitachi) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + paragon) + basic_machine=i860-intel + os=-osf + ;; + parisc) + basic_machine=hppa-unknown + os=-linux + ;; + parisc-*) + basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + pbd) + basic_machine=sparc-tti + ;; + pbb) + basic_machine=m68k-tti + ;; + pc532 | pc532-*) + basic_machine=ns32k-pc532 + ;; + pc98) + basic_machine=i386-pc + ;; + pc98-*) + basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium | p5 | k5 | k6 | nexgen | viac3) + basic_machine=i586-pc + ;; + pentiumpro | p6 | 6x86 | athlon | athlon_*) + basic_machine=i686-pc + ;; + pentiumii | pentium2 | pentiumiii | pentium3) + basic_machine=i686-pc + ;; + pentium4) + basic_machine=i786-pc + ;; + pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) + basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumpro-* | p6-* | 6x86-* | athlon-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium4-*) + basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pn) + basic_machine=pn-gould + ;; + power) basic_machine=power-ibm + ;; + ppc | ppcbe) basic_machine=powerpc-unknown + ;; + ppc-* | ppcbe-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppcle | powerpclittle) + basic_machine=powerpcle-unknown + ;; + ppcle-* | powerpclittle-*) + basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64) basic_machine=powerpc64-unknown + ;; + ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64le | powerpc64little) + basic_machine=powerpc64le-unknown + ;; + ppc64le-* | powerpc64little-*) + basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ps2) + basic_machine=i386-ibm + ;; + pw32) + basic_machine=i586-unknown + os=-pw32 + ;; + rdos | rdos64) + basic_machine=x86_64-pc + os=-rdos + ;; + rdos32) + basic_machine=i386-pc + os=-rdos + ;; + rom68k) + basic_machine=m68k-rom68k + os=-coff + ;; + rm[46]00) + basic_machine=mips-siemens + ;; + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; + s390 | s390-*) + basic_machine=s390-ibm + ;; + s390x | s390x-*) + basic_machine=s390x-ibm + ;; + sa29200) + basic_machine=a29k-amd + os=-udi + ;; + sb1) + basic_machine=mipsisa64sb1-unknown + ;; + sb1el) + basic_machine=mipsisa64sb1el-unknown + ;; + sde) + basic_machine=mipsisa32-sde + os=-elf + ;; + sei) + basic_machine=mips-sei + os=-seiux + ;; + sequent) + basic_machine=i386-sequent + ;; + sh) + basic_machine=sh-hitachi + os=-hms + ;; + sh5el) + basic_machine=sh5le-unknown + ;; + sh64) + basic_machine=sh64-unknown + ;; + sparclite-wrs | simso-wrs) + basic_machine=sparclite-wrs + os=-vxworks + ;; + sps7) + basic_machine=m68k-bull + os=-sysv2 + ;; + spur) + basic_machine=spur-unknown + ;; + st2000) + basic_machine=m68k-tandem + ;; + stratus) + basic_machine=i860-stratus + os=-sysv4 + ;; + strongarm-* | thumb-*) + basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + sun2) + basic_machine=m68000-sun + ;; + sun2os3) + basic_machine=m68000-sun + os=-sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + os=-sunos4 + ;; + sun3os3) + basic_machine=m68k-sun + os=-sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + os=-sunos4 + ;; + sun4os3) + basic_machine=sparc-sun + os=-sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + os=-sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + os=-solaris2 + ;; + sun3 | sun3-*) + basic_machine=m68k-sun + ;; + sun4) + basic_machine=sparc-sun + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + ;; + sv1) + basic_machine=sv1-cray + os=-unicos + ;; + symmetry) + basic_machine=i386-sequent + os=-dynix + ;; + t3e) + basic_machine=alphaev5-cray + os=-unicos + ;; + t90) + basic_machine=t90-cray + os=-unicos + ;; + tile*) + basic_machine=$basic_machine-unknown + os=-linux-gnu + ;; + tx39) + basic_machine=mipstx39-unknown + ;; + tx39el) + basic_machine=mipstx39el-unknown + ;; + toad1) + basic_machine=pdp10-xkl + os=-tops20 + ;; + tower | tower-32) + basic_machine=m68k-ncr + ;; + tpf) + basic_machine=s390x-ibm + os=-tpf + ;; + udi29k) + basic_machine=a29k-amd + os=-udi + ;; + ultra3) + basic_machine=a29k-nyu + os=-sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + os=-none + ;; + vaxv) + basic_machine=vax-dec + os=-sysv + ;; + vms) + basic_machine=vax-dec + os=-vms + ;; + vpp*|vx|vx-*) + basic_machine=f301-fujitsu + ;; + vxworks960) + basic_machine=i960-wrs + os=-vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + os=-vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + os=-vxworks + ;; + w65*) + basic_machine=w65-wdc + os=-none + ;; + w89k-*) + basic_machine=hppa1.1-winbond + os=-proelf + ;; + xbox) + basic_machine=i686-pc + os=-mingw32 + ;; + xps | xps100) + basic_machine=xps100-honeywell + ;; + xscale-* | xscalee[bl]-*) + basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` + ;; + ymp) + basic_machine=ymp-cray + os=-unicos + ;; + z8k-*-coff) + basic_machine=z8k-unknown + os=-sim + ;; + z80-*-coff) + basic_machine=z80-unknown + os=-sim + ;; + none) + basic_machine=none-none + os=-none + ;; + +# Here we handle the default manufacturer of certain CPU types. It is in +# some cases the only manufacturer, in others, it is the most popular. + w89k) + basic_machine=hppa1.1-winbond + ;; + op50n) + basic_machine=hppa1.1-oki + ;; + op60c) + basic_machine=hppa1.1-oki + ;; + romp) + basic_machine=romp-ibm + ;; + mmix) + basic_machine=mmix-knuth + ;; + rs6000) + basic_machine=rs6000-ibm + ;; + vax) + basic_machine=vax-dec + ;; + pdp10) + # there are many clones, so DEC is not a safe bet + basic_machine=pdp10-unknown + ;; + pdp11) + basic_machine=pdp11-dec + ;; + we32k) + basic_machine=we32k-att + ;; + sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele) + basic_machine=sh-unknown + ;; + sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) + basic_machine=sparc-sun + ;; + cydra) + basic_machine=cydra-cydrome + ;; + orion) + basic_machine=orion-highlevel + ;; + orion105) + basic_machine=clipper-highlevel + ;; + mac | mpw | mac-mpw) + basic_machine=m68k-apple + ;; + pmac | pmac-mpw) + basic_machine=powerpc-apple + ;; + *-unknown) + # Make sure to match an already-canonicalized machine name. + ;; + *) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $basic_machine in + *-digital*) + basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` + ;; + *-commodore*) + basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if [ x"$os" != x"" ] +then +case $os in + # First match some system type aliases + # that might get confused with valid system types. + # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; + -solaris1 | -solaris1.*) + os=`echo $os | sed -e 's|solaris1|sunos4|'` + ;; + -solaris) + os=-solaris2 + ;; + -svr4*) + os=-sysv4 + ;; + -unixware*) + os=-sysv4.2uw + ;; + -gnu/linux*) + os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` + ;; + # First accept the basic system types. + # The portable systems comes first. + # Each alternative MUST END IN A *, to match a version number. + # -sysv* is not here because it comes later, after sysvr4. + -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ + | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* | -plan9* \ + | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ + | -aos* | -aros* | -cloudabi* | -sortix* \ + | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ + | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ + | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ + | -bitrig* | -openbsd* | -solidbsd* | -libertybsd* \ + | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ + | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ + | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ + | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ + | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ + | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ + | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \ + | -onefs* | -tirtos* | -phoenix* | -fuchsia*) + # Remember, each alternative MUST END IN *, to match a version number. + ;; + -qnx*) + case $basic_machine in + x86-* | i*86-*) + ;; + *) + os=-nto$os + ;; + esac + ;; + -nto-qnx*) + ;; + -nto*) + os=`echo $os | sed -e 's|nto|nto-qnx|'` + ;; + -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \ + | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \ + | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*) + ;; + -mac*) + os=`echo $os | sed -e 's|mac|macos|'` + ;; + -linux-dietlibc) + os=-linux-dietlibc + ;; + -linux*) + os=`echo $os | sed -e 's|linux|linux-gnu|'` + ;; + -sunos5*) + os=`echo $os | sed -e 's|sunos5|solaris2|'` + ;; + -sunos6*) + os=`echo $os | sed -e 's|sunos6|solaris3|'` + ;; + -opened*) + os=-openedition + ;; + -os400*) + os=-os400 + ;; + -wince*) + os=-wince + ;; + -osfrose*) + os=-osfrose + ;; + -osf*) + os=-osf + ;; + -utek*) + os=-bsd + ;; + -dynix*) + os=-bsd + ;; + -acis*) + os=-aos + ;; + -atheos*) + os=-atheos + ;; + -syllable*) + os=-syllable + ;; + -386bsd) + os=-bsd + ;; + -ctix* | -uts*) + os=-sysv + ;; + -nova*) + os=-rtmk-nova + ;; + -ns2 ) + os=-nextstep2 + ;; + -nsk*) + os=-nsk + ;; + # Preserve the version number of sinix5. + -sinix5.*) + os=`echo $os | sed -e 's|sinix|sysv|'` + ;; + -sinix*) + os=-sysv4 + ;; + -tpf*) + os=-tpf + ;; + -triton*) + os=-sysv3 + ;; + -oss*) + os=-sysv3 + ;; + -svr4) + os=-sysv4 + ;; + -svr3) + os=-sysv3 + ;; + -sysvr4) + os=-sysv4 + ;; + # This must come after -sysvr4. + -sysv*) + ;; + -ose*) + os=-ose + ;; + -es1800*) + os=-ose + ;; + -xenix) + os=-xenix + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + os=-mint + ;; + -aros*) + os=-aros + ;; + -zvmoe) + os=-zvmoe + ;; + -dicos*) + os=-dicos + ;; + -nacl*) + ;; + -ios) + ;; + -none) + ;; + *) + # Get rid of the `-' at the beginning of $os. + os=`echo $os | sed 's/[^-]*-//'` + echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 + exit 1 + ;; +esac +else + +# Here we handle the default operating systems that come with various machines. +# The value should be what the vendor currently ships out the door with their +# machine or put another way, the most popular os provided with the machine. + +# Note that if you're going to try to match "-MANUFACTURER" here (say, +# "-sun"), then you have to tell the case statement up towards the top +# that MANUFACTURER isn't an operating system. Otherwise, code above +# will signal an error saying that MANUFACTURER isn't an operating +# system, and we'll never get to this point. + +case $basic_machine in + score-*) + os=-elf + ;; + spu-*) + os=-elf + ;; + *-acorn) + os=-riscix1.2 + ;; + arm*-rebel) + os=-linux + ;; + arm*-semi) + os=-aout + ;; + c4x-* | tic4x-*) + os=-coff + ;; + c8051-*) + os=-elf + ;; + hexagon-*) + os=-elf + ;; + tic54x-*) + os=-coff + ;; + tic55x-*) + os=-coff + ;; + tic6x-*) + os=-coff + ;; + # This must come before the *-dec entry. + pdp10-*) + os=-tops20 + ;; + pdp11-*) + os=-none + ;; + *-dec | vax-*) + os=-ultrix4.2 + ;; + m68*-apollo) + os=-domain + ;; + i386-sun) + os=-sunos4.0.2 + ;; + m68000-sun) + os=-sunos3 + ;; + m68*-cisco) + os=-aout + ;; + mep-*) + os=-elf + ;; + mips*-cisco) + os=-elf + ;; + mips*-*) + os=-elf + ;; + or32-*) + os=-coff + ;; + *-tti) # must be before sparc entry or we get the wrong os. + os=-sysv3 + ;; + sparc-* | *-sun) + os=-sunos4.1.1 + ;; + *-be) + os=-beos + ;; + *-haiku) + os=-haiku + ;; + *-ibm) + os=-aix + ;; + *-knuth) + os=-mmixware + ;; + *-wec) + os=-proelf + ;; + *-winbond) + os=-proelf + ;; + *-oki) + os=-proelf + ;; + *-hp) + os=-hpux + ;; + *-hitachi) + os=-hiux + ;; + i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) + os=-sysv + ;; + *-cbm) + os=-amigaos + ;; + *-dg) + os=-dgux + ;; + *-dolphin) + os=-sysv3 + ;; + m68k-ccur) + os=-rtu + ;; + m88k-omron*) + os=-luna + ;; + *-next ) + os=-nextstep + ;; + *-sequent) + os=-ptx + ;; + *-crds) + os=-unos + ;; + *-ns) + os=-genix + ;; + i370-*) + os=-mvs + ;; + *-next) + os=-nextstep3 + ;; + *-gould) + os=-sysv + ;; + *-highlevel) + os=-bsd + ;; + *-encore) + os=-bsd + ;; + *-sgi) + os=-irix + ;; + *-siemens) + os=-sysv4 + ;; + *-masscomp) + os=-rtu + ;; + f30[01]-fujitsu | f700-fujitsu) + os=-uxpv + ;; + *-rom68k) + os=-coff + ;; + *-*bug) + os=-coff + ;; + *-apple) + os=-macos + ;; + *-atari*) + os=-mint + ;; + *) + os=-none + ;; +esac +fi + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +vendor=unknown +case $basic_machine in + *-unknown) + case $os in + -riscix*) + vendor=acorn + ;; + -sunos*) + vendor=sun + ;; + -cnk*|-aix*) + vendor=ibm + ;; + -beos*) + vendor=be + ;; + -hpux*) + vendor=hp + ;; + -mpeix*) + vendor=hp + ;; + -hiux*) + vendor=hitachi + ;; + -unos*) + vendor=crds + ;; + -dgux*) + vendor=dg + ;; + -luna*) + vendor=omron + ;; + -genix*) + vendor=ns + ;; + -mvs* | -opened*) + vendor=ibm + ;; + -os400*) + vendor=ibm + ;; + -ptx*) + vendor=sequent + ;; + -tpf*) + vendor=ibm + ;; + -vxsim* | -vxworks* | -windiss*) + vendor=wrs + ;; + -aux*) + vendor=apple + ;; + -hms*) + vendor=hitachi + ;; + -mpw* | -macos*) + vendor=apple + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + vendor=atari + ;; + -vos*) + vendor=stratus + ;; + esac + basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` + ;; +esac + +echo $basic_machine$os +exit + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/zfs/config/deb.am b/zfs/config/deb.am new file mode 100644 index 000000000000..648417b2adc6 --- /dev/null +++ b/zfs/config/deb.am @@ -0,0 +1,48 @@ +deb-local: + @(if test "${HAVE_DPKGBUILD}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${DPKGBUILD} missing. Please install the\n" \ + "*** package for your distribution which provides ${DPKGBUILD},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi; \ + if test "${HAVE_ALIEN}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${ALIEN} missing. Please install the\n" \ + "*** package for your distribution which provides ${ALIEN},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi) + +deb-kmod: deb-local rpm-kmod +if CONFIG_KERNEL + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-kmod-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=kmod-$${name}*$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --bump=0 --scripts --to-deb $$pkg1; \ + $(RM) $$pkg1 +endif + +deb-utils: deb-local rpm-utils +if CONFIG_USER + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=$${name}-$${version}.$${arch}.rpm; \ + pkg2=libnvpair1-$${version}.$${arch}.rpm; \ + pkg3=libuutil1-$${version}.$${arch}.rpm; \ + pkg4=libzfs2-$${version}.$${arch}.rpm; \ + pkg5=libzpool2-$${version}.$${arch}.rpm; \ + pkg6=libzfs2-devel-$${version}.$${arch}.rpm; \ + pkg7=$${name}-test-$${version}.$${arch}.rpm; \ + pkg8=$${name}-dracut-$${version}.$${arch}.rpm; \ + pkg9=$${name}-initramfs-$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --bump=0 --scripts --to-deb \ + $$pkg1 $$pkg2 $$pkg3 $$pkg4 $$pkg5 $$pkg6 $$pkg7 \ + $$pkg8 $$pkg9; + $(RM) $$pkg1 $$pkg2 $$pkg3 $$pkg4 $$pkg5 $$pkg6 $$pkg7 \ + $$pkg8 $$pkg9; +endif + +deb: deb-kmod deb-utils diff --git a/zfs/config/dkms.m4 b/zfs/config/dkms.m4 new file mode 100644 index 000000000000..cfa115296dea --- /dev/null +++ b/zfs/config/dkms.m4 @@ -0,0 +1,14 @@ +dnl # +dnl # Prevent manual building in DKMS source tree. +dnl # +AC_DEFUN([ZFS_AC_DKMS_INHIBIT], [ + AC_MSG_CHECKING([for dkms.conf file]) + AS_IF([test -e dkms.conf], [ + AC_MSG_ERROR([ + *** ZFS should not be manually built in the DKMS source tree. + *** Remove all ZFS packages before compiling the ZoL sources. + *** Running "make install" breaks ZFS packages.]) + ], [ + AC_MSG_RESULT([not found]) + ]) +]) diff --git a/zfs/config/install-sh b/zfs/config/install-sh new file mode 100755 index 000000000000..59990a104926 --- /dev/null +++ b/zfs/config/install-sh @@ -0,0 +1,508 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2014-09-12.12; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +tab=' ' +nl=' +' +IFS=" $tab$nl" + +# Set DOITPROG to "echo" to test this script. + +doit=${DOITPROG-} +doit_exec=${doit:-exec} + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +is_target_a_directory=possibly + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) + is_target_a_directory=always + dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) is_target_a_directory=never;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +# We allow the use of options -d and -T together, by making -d +# take the precedence; this is for compatibility with GNU install. + +if test -n "$dir_arg"; then + if test -n "$dst_arg"; then + echo "$0: target directory not allowed when installing a directory." >&2 + exit 1 + fi +fi + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + if test $# -gt 1 || test "$is_target_a_directory" = always; then + if test ! -d "$dst_arg"; then + echo "$0: $dst_arg: Is not a directory." >&2 + exit 1 + fi + fi +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test "$is_target_a_directory" = never; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + dstdir=`dirname "$dst"` + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + # $RANDOM is not portable (e.g. dash); use it when possible to + # lower collision chance + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0 + + # As "mkdir -p" follows symlinks and we work in /tmp possibly; so + # create the $tmpdir first (and fail if unsuccessful) to make sure + # that nobody tries to guess the $tmpdir name. + if (umask $mkdir_umask && + $mkdirprog $mkdir_mode "$tmpdir" && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + test_tmpdir="$tmpdir/a" + ls_ld_tmpdir=`ls -ld "$test_tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$test_tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + oIFS=$IFS + IFS=/ + set -f + set fnord $dstdir + shift + set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + set +f && + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/zfs/config/kernel-acl.m4 b/zfs/config/kernel-acl.m4 new file mode 100644 index 000000000000..b2c33f1c40e3 --- /dev/null +++ b/zfs/config/kernel-acl.m4 @@ -0,0 +1,324 @@ +dnl # +dnl # Check if posix_acl_release can be used from a ZFS_META_LICENSED +dnl # module. The is_owner_or_cap macro was replaced by +dnl # inode_owner_or_capable +dnl # +AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_RELEASE], [ + AC_MSG_CHECKING([whether posix_acl_release() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + #include + ],[ + struct posix_acl* tmp = posix_acl_alloc(1, 0); + posix_acl_release(tmp); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_ACL_RELEASE, 1, + [posix_acl_release() is available]) + ],[ + AC_MSG_RESULT(no) + ]) + + AC_MSG_CHECKING([whether posix_acl_release() is GPL-only]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + ],[ + struct posix_acl* tmp = posix_acl_alloc(1, 0); + posix_acl_release(tmp); + ],[ + AC_MSG_RESULT(no) + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_ACL_RELEASE_GPL_ONLY, 1, + [posix_acl_release() is GPL-only]) + ]) +]) + +dnl # +dnl # 3.14 API change, +dnl # set_cached_acl() and forget_cached_acl() changed from inline to +dnl # EXPORT_SYMBOL. In the former case, they may not be usable because of +dnl # posix_acl_release. In the latter case, we can always use them. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE], [ + AC_MSG_CHECKING([whether set_cached_acl() is usable]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + ],[ + struct inode *ip = NULL; + struct posix_acl *acl = posix_acl_alloc(1, 0); + set_cached_acl(ip, ACL_TYPE_ACCESS, acl); + forget_cached_acl(ip, ACL_TYPE_ACCESS); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SET_CACHED_ACL_USABLE, 1, + [posix_acl_release() is usable]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.1 API change, +dnl # posix_acl_chmod_masq() is not exported anymore and posix_acl_chmod() +dnl # was introduced to replace it. +dnl # +dnl # 3.14 API change, +dnl # posix_acl_chmod() is changed to __posix_acl_chmod() +dnl # +AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_CHMOD], [ + AC_MSG_CHECKING([whether posix_acl_chmod exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + ],[ + posix_acl_chmod(NULL, 0, 0) + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_ACL_CHMOD, 1, [posix_acl_chmod() exists]) + ],[ + AC_MSG_RESULT(no) + ]) + + AC_MSG_CHECKING([whether __posix_acl_chmod exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + ],[ + __posix_acl_chmod(NULL, 0, 0) + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE___POSIX_ACL_CHMOD, 1, [__posix_acl_chmod() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.1 API change, +dnl # posix_acl_equiv_mode now wants an umode_t* instead of a mode_t* +dnl # +AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T], [ + AC_MSG_CHECKING([whether posix_acl_equiv_mode() wants umode_t]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + ],[ + umode_t tmp; + posix_acl_equiv_mode(NULL,&tmp); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T, 1, + [ posix_acl_equiv_mode wants umode_t*]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 4.8 API change, +dnl # The function posix_acl_valid now must be passed a namespace. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS], [ + AC_MSG_CHECKING([whether posix_acl_valid() wants user namespace]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + ],[ + struct user_namespace *user_ns = NULL; + const struct posix_acl *acl = NULL; + int error; + + error = posix_acl_valid(user_ns, acl); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_ACL_VALID_WITH_NS, 1, + [posix_acl_valid() wants user namespace]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.27 API change, +dnl # Check if inode_operations contains the function permission +dnl # and expects the nameidata structure to have been removed. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION], [ + AC_MSG_CHECKING([whether iops->permission() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int permission_fn(struct inode *inode, int mask) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .permission = permission_fn, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PERMISSION, 1, [iops->permission() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.26 API change, +dnl # Check if inode_operations contains the function permission +dnl # and expects the nameidata structure to be passed. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA], [ + AC_MSG_CHECKING([whether iops->permission() wants nameidata]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int permission_fn(struct inode *inode, int mask, + struct nameidata *nd) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .permission = permission_fn, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PERMISSION, 1, [iops->permission() exists]) + AC_DEFINE(HAVE_PERMISSION_WITH_NAMEIDATA, 1, + [iops->permission() with nameidata exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.32 API change, +dnl # Check if inode_operations contains the function check_acl +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL], [ + AC_MSG_CHECKING([whether iops->check_acl() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int check_acl_fn(struct inode *inode, int mask) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .check_acl = check_acl_fn, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CHECK_ACL, 1, [iops->check_acl() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.38 API change, +dnl # The function check_acl gained a new parameter: flags +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS], [ + AC_MSG_CHECKING([whether iops->check_acl() wants flags]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int check_acl_fn(struct inode *inode, int mask, + unsigned int flags) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .check_acl = check_acl_fn, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CHECK_ACL, 1, [iops->check_acl() exists]) + AC_DEFINE(HAVE_CHECK_ACL_WITH_FLAGS, 1, + [iops->check_acl() wants flags]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.1 API change, +dnl # Check if inode_operations contains the function get_acl +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL], [ + AC_MSG_CHECKING([whether iops->get_acl() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + struct posix_acl *get_acl_fn(struct inode *inode, int type) + { return NULL; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .get_acl = get_acl_fn, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GET_ACL, 1, [iops->get_acl() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.14 API change, +dnl # Check if inode_operations contains the function set_acl +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL], [ + AC_MSG_CHECKING([whether iops->set_acl() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int set_acl_fn(struct inode *inode, struct posix_acl *acl, int type) + { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .set_acl = set_acl_fn, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SET_ACL, 1, [iops->set_acl() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 4.7 API change, +dnl # The kernel get_acl will now check cache before calling i_op->get_acl and +dnl # do set_cached_acl after that, so i_op->get_acl don't need to do that +dnl # anymore. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE], [ + AC_MSG_CHECKING([whether uncached_acl_sentinel() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + void *sentinel __attribute__ ((unused)) = uncached_acl_sentinel(NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_KERNEL_GET_ACL_HANDLE_CACHE, 1, [uncached_acl_sentinel() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-aio-fsync.m4 b/zfs/config/kernel-aio-fsync.m4 new file mode 100644 index 000000000000..41b7a98a6b06 --- /dev/null +++ b/zfs/config/kernel-aio-fsync.m4 @@ -0,0 +1,21 @@ +dnl # +dnl # Linux 4.9-rc5+ ABI, removal of the .aio_fsync field +dnl # +AC_DEFUN([ZFS_AC_KERNEL_AIO_FSYNC], [ + AC_MSG_CHECKING([whether fops->aio_fsync() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + static const struct file_operations + fops __attribute__ ((unused)) = { + .aio_fsync = NULL, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FILE_AIO_FSYNC, 1, [fops->aio_fsync() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + diff --git a/zfs/config/kernel-automount.m4 b/zfs/config/kernel-automount.m4 new file mode 100644 index 000000000000..1ee4c168d43e --- /dev/null +++ b/zfs/config/kernel-automount.m4 @@ -0,0 +1,23 @@ +dnl # +dnl # 2.6.37 API change +dnl # The dops->d_automount() dentry operation was added as a clean +dnl # solution to handling automounts. Prior to this cifs/nfs clients +dnl # which required automount support would abuse the follow_link() +dnl # operation on directories for this purpose. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_AUTOMOUNT], [ + AC_MSG_CHECKING([whether dops->d_automount() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + struct vfsmount *d_automount(struct path *p) { return NULL; } + struct dentry_operations dops __attribute__ ((unused)) = { + .d_automount = d_automount, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_AUTOMOUNT, 1, [dops->automount() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-bdev-block-device-operations.m4 b/zfs/config/kernel-bdev-block-device-operations.m4 new file mode 100644 index 000000000000..faacc195da9b --- /dev/null +++ b/zfs/config/kernel-bdev-block-device-operations.m4 @@ -0,0 +1,34 @@ +dnl # +dnl # 2.6.x API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS], [ + AC_MSG_CHECKING([block device operation prototypes]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + + int blk_open(struct block_device *bdev, fmode_t mode) + { return 0; } + int blk_ioctl(struct block_device *bdev, fmode_t mode, + unsigned x, unsigned long y) { return 0; } + int blk_compat_ioctl(struct block_device * bdev, fmode_t mode, + unsigned x, unsigned long y) { return 0; } + + static const struct block_device_operations + bops __attribute__ ((unused)) = { + .open = blk_open, + .release = NULL, + .ioctl = blk_ioctl, + .compat_ioctl = blk_compat_ioctl, + }; + ],[ + ],[ + AC_MSG_RESULT(struct block_device) + AC_DEFINE(HAVE_BDEV_BLOCK_DEVICE_OPERATIONS, 1, + [struct block_device_operations use bdevs]) + ],[ + AC_MSG_RESULT(struct inode) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-bdev-logical-size.m4 b/zfs/config/kernel-bdev-logical-size.m4 new file mode 100644 index 000000000000..a6194577abbd --- /dev/null +++ b/zfs/config/kernel-bdev-logical-size.m4 @@ -0,0 +1,25 @@ +dnl # +dnl # 2.6.30 API change +dnl # bdev_hardsect_size() replaced with bdev_logical_block_size(). While +dnl # it has been true for a while that there was no strict 1:1 mapping +dnl # between physical sector size and logical block size this change makes +dnl # it explicit. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE], [ + AC_MSG_CHECKING([whether bdev_logical_block_size() is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct block_device *bdev = NULL; + bdev_logical_block_size(bdev); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BDEV_LOGICAL_BLOCK_SIZE, 1, + [bdev_logical_block_size() is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-bdev-physical-size.m4 b/zfs/config/kernel-bdev-physical-size.m4 new file mode 100644 index 000000000000..77746ee91690 --- /dev/null +++ b/zfs/config/kernel-bdev-physical-size.m4 @@ -0,0 +1,39 @@ +dnl # +dnl # 2.6.30 API change +dnl # +dnl # The bdev_physical_block_size() interface was added to provide a way +dnl # to determine the smallest write which can be performed without a +dnl # read-modify-write operation. From the kernel documentation: +dnl # +dnl # What: /sys/block//queue/physical_block_size +dnl # Date: May 2009 +dnl # Contact: Martin K. Petersen +dnl # Description: +dnl # This is the smallest unit the storage device can write +dnl # without resorting to read-modify-write operation. It is +dnl # usually the same as the logical block size but may be +dnl # bigger. One example is SATA drives with 4KB sectors +dnl # that expose a 512-byte logical block size to the +dnl # operating system. +dnl # +dnl # Unfortunately, this interface isn't entirely reliable because +dnl # drives are sometimes known to misreport this value. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BDEV_PHYSICAL_BLOCK_SIZE], [ + AC_MSG_CHECKING([whether bdev_physical_block_size() is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct block_device *bdev = NULL; + bdev_physical_block_size(bdev); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BDEV_PHYSICAL_BLOCK_SIZE, 1, + [bdev_physical_block_size() is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-bdi-setup-and-register.m4 b/zfs/config/kernel-bdi-setup-and-register.m4 new file mode 100644 index 000000000000..d1062e17ec1e --- /dev/null +++ b/zfs/config/kernel-bdi-setup-and-register.m4 @@ -0,0 +1,38 @@ +dnl # +dnl # 2.6.32 - 2.6.33, bdi_setup_and_register() is not exported. +dnl # 2.6.34 - 3.19, bdi_setup_and_register() takes 3 arguments. +dnl # 4.0 - x.y, bdi_setup_and_register() takes 2 arguments. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER], [ + AC_MSG_CHECKING([whether bdi_setup_and_register() wants 2 args]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + struct backing_dev_info bdi; + ], [ + char *name = "bdi"; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name); + ], [bdi_setup_and_register], [mm/backing-dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_BDI_SETUP_AND_REGISTER, 1, + [bdi_setup_and_register() wants 2 args]) + ], [ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether bdi_setup_and_register() wants 3 args]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + struct backing_dev_info bdi; + ], [ + char *name = "bdi"; + unsigned int cap = BDI_CAP_MAP_COPY; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name, cap); + ], [bdi_setup_and_register], [mm/backing-dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_3ARGS_BDI_SETUP_AND_REGISTER, 1, + [bdi_setup_and_register() wants 3 args]) + ], [ + AC_MSG_RESULT(no) + ]) + ]) +]) diff --git a/zfs/config/kernel-bio-bvec-iter.m4 b/zfs/config/kernel-bio-bvec-iter.m4 new file mode 100644 index 000000000000..64c989386b34 --- /dev/null +++ b/zfs/config/kernel-bio-bvec-iter.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # 3.14 API change, +dnl # Immutable biovecs. A number of fields of struct bio are moved to +dnl # struct bvec_iter. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BIO_BVEC_ITER], [ + AC_MSG_CHECKING([whether bio has bi_iter]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct bio bio; + bio.bi_iter.bi_sector = 0; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BIO_BVEC_ITER, 1, [bio has bi_iter]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + diff --git a/zfs/config/kernel-bio-end-io-t-args.m4 b/zfs/config/kernel-bio-end-io-t-args.m4 new file mode 100644 index 000000000000..c8c520f1ba82 --- /dev/null +++ b/zfs/config/kernel-bio-end-io-t-args.m4 @@ -0,0 +1,24 @@ +dnl # +dnl # 4.3 API change +dnl # Error argument dropped from bio_endio in favor of newly introduced +dnl # bio->bi_error. This also replaces bio->bi_flags value BIO_UPTODATE. +dnl # Introduced by torvalds/linux@4246a0b63bd8f56a1469b12eafeb875b1041a451 +dnl # ("block: add a bi_error field to struct bio"). +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BIO_END_IO_T_ARGS], [ + AC_MSG_CHECKING([whether bio_end_io_t wants 1 arg]) + ZFS_LINUX_TRY_COMPILE([ + #include + + void wanted_end_io(struct bio *bio) { return; } + + bio_end_io_t *end_io __attribute__ ((unused)) = wanted_end_io; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_1ARG_BIO_END_IO_T, 1, + [bio_end_io_t wants 1 arg]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-bio-failfast.m4 b/zfs/config/kernel-bio-failfast.m4 new file mode 100644 index 000000000000..cfbec05238ce --- /dev/null +++ b/zfs/config/kernel-bio-failfast.m4 @@ -0,0 +1,39 @@ +dnl # +dnl # Preferred interface for setting FAILFAST on a bio: +dnl # 2.6.28-2.6.35: BIO_RW_FAILFAST_{DEV|TRANSPORT|DRIVER} +dnl # >= 2.6.36: REQ_FAILFAST_{DEV|TRANSPORT|DRIVER} +dnl # + +AC_DEFUN([ZFS_AC_KERNEL_BIO_FAILFAST_DTD], [ + AC_MSG_CHECKING([whether BIO_RW_FAILFAST_* are defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int flags __attribute__ ((unused)); + flags = ((1 << BIO_RW_FAILFAST_DEV) | + (1 << BIO_RW_FAILFAST_TRANSPORT) | + (1 << BIO_RW_FAILFAST_DRIVER)); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BIO_RW_FAILFAST_DTD, 1, + [BIO_RW_FAILFAST_* are defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_REQ_FAILFAST_MASK], [ + AC_MSG_CHECKING([whether REQ_FAILFAST_MASK is defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int flags __attribute__ ((unused)); + flags = REQ_FAILFAST_MASK; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_REQ_FAILFAST_MASK, 1, + [REQ_FAILFAST_MASK is defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-bio-op.m4 b/zfs/config/kernel-bio-op.m4 new file mode 100644 index 000000000000..5559d6c7f8b5 --- /dev/null +++ b/zfs/config/kernel-bio-op.m4 @@ -0,0 +1,84 @@ +dnl # +dnl # Linux 4.8 API, +dnl # +dnl # The bio_op() helper was introduced as a replacement for explicitly +dnl # checking the bio->bi_rw flags. The following checks are used to +dnl # detect if a specific operation is supported. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_REQ_OP_DISCARD], [ + AC_MSG_CHECKING([whether REQ_OP_DISCARD is defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int op __attribute__ ((unused)) = REQ_OP_DISCARD; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_REQ_OP_DISCARD, 1, + [REQ_OP_DISCARD is defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE], [ + AC_MSG_CHECKING([whether REQ_OP_SECURE_ERASE is defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int op __attribute__ ((unused)) = REQ_OP_SECURE_ERASE; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_REQ_OP_SECURE_ERASE, 1, + [REQ_OP_SECURE_ERASE is defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + + +AC_DEFUN([ZFS_AC_KERNEL_REQ_OP_FLUSH], [ + AC_MSG_CHECKING([whether REQ_OP_FLUSH is defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int op __attribute__ ((unused)) = REQ_OP_FLUSH; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_REQ_OP_FLUSH, 1, + [REQ_OP_FLUSH is defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_BIO_BI_OPF], [ + AC_MSG_CHECKING([whether bio->bi_opf is defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct bio bio __attribute__ ((unused)); + bio.bi_opf = 0; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BIO_BI_OPF, 1, [bio->bi_opf is defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS], [ + AC_MSG_CHECKING([whether bio_set_op_attrs is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct bio *bio __attribute__ ((unused)) = NULL; + + bio_set_op_attrs(bio, 0, 0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BIO_SET_OP_ATTRS, 1, + [bio_set_op_attrs is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-bio-rw-barrier.m4 b/zfs/config/kernel-bio-rw-barrier.m4 new file mode 100644 index 000000000000..bcf0f7ea00b0 --- /dev/null +++ b/zfs/config/kernel-bio-rw-barrier.m4 @@ -0,0 +1,25 @@ +dnl # +dnl # Interface for issuing a discard bio: +dnl # 2.6.28-2.6.35: BIO_RW_BARRIER +dnl # 2.6.36-3.x: REQ_BARRIER +dnl # + +dnl # Since REQ_BARRIER is a preprocessor definition, there is no need for an +dnl # autotools check for it. Also, REQ_BARRIER existed in the request layer +dnl # until torvalds/linux@7b6d91daee5cac6402186ff224c3af39d79f4a0e unified the +dnl # request layer and bio layer flags, so it would be wrong to assume that +dnl # the APIs are mutually exclusive contrary to the typical case. +AC_DEFUN([ZFS_AC_KERNEL_BIO_RW_BARRIER], [ + AC_MSG_CHECKING([whether BIO_RW_BARRIER is defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int flags __attribute__ ((unused)); + flags = BIO_RW_BARRIER; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BIO_RW_BARRIER, 1, [BIO_RW_BARRIER is defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-bio-rw-discard.m4 b/zfs/config/kernel-bio-rw-discard.m4 new file mode 100644 index 000000000000..0554b9a9dae0 --- /dev/null +++ b/zfs/config/kernel-bio-rw-discard.m4 @@ -0,0 +1,25 @@ +dnl # +dnl # Interface for issuing a discard bio: +dnl # 2.6.28-2.6.35: BIO_RW_DISCARD +dnl # 2.6.36-3.x: REQ_DISCARD +dnl # + +dnl # Since REQ_DISCARD is a preprocessor definition, there is no need for an +dnl # autotools check for it. Also, REQ_DISCARD existed in the request layer +dnl # until torvalds/linux@7b6d91daee5cac6402186ff224c3af39d79f4a0e unified the +dnl # request layer and bio layer flags, so it would be wrong to assume that +dnl # the APIs are mutually exclusive contrary to the typical case. +AC_DEFUN([ZFS_AC_KERNEL_BIO_RW_DISCARD], [ + AC_MSG_CHECKING([whether BIO_RW_DISCARD is defined]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int flags __attribute__ ((unused)); + flags = BIO_RW_DISCARD; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BIO_RW_DISCARD, 1, [BIO_RW_DISCARD is defined]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-blk-queue-flush.m4 b/zfs/config/kernel-blk-queue-flush.m4 new file mode 100644 index 000000000000..1baab83a4e8c --- /dev/null +++ b/zfs/config/kernel-blk-queue-flush.m4 @@ -0,0 +1,85 @@ +dnl # +dnl # 2.6.36 API change +dnl # In 2.6.36 kernels the blk_queue_ordered() interface has been +dnl # replaced by the simpler blk_queue_flush(). However, while the +dnl # old interface was available to all the new one is GPL-only. +dnl # Thus in addition to detecting if this function is available +dnl # we determine if it is GPL-only. If the GPL-only interface is +dnl # there we implement our own compatibility function, otherwise +dnl # we use the function. The hope is that long term this function +dnl # will be opened up. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLUSH], [ + AC_MSG_CHECKING([whether blk_queue_flush() is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct request_queue *q = NULL; + (void) blk_queue_flush(q, REQ_FLUSH); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_FLUSH, 1, + [blk_queue_flush() is available]) + + AC_MSG_CHECKING([whether blk_queue_flush() is GPL-only]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + ],[ + struct request_queue *q = NULL; + (void) blk_queue_flush(q, REQ_FLUSH); + ],[ + AC_MSG_RESULT(no) + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_FLUSH_GPL_ONLY, 1, + [blk_queue_flush() is GPL-only]) + ]) + ],[ + AC_MSG_RESULT(no) + ]) + + dnl # + dnl # 4.7 API change + dnl # Replace blk_queue_flush with blk_queue_write_cache + dnl # + AC_MSG_CHECKING([whether blk_queue_write_cache() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + + ],[ + struct request_queue *q = NULL; + blk_queue_write_cache(q, true, true); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_WRITE_CACHE, 1, + [blk_queue_write_cache() exists]) + + AC_MSG_CHECKING([whether blk_queue_write_cache() is GPL-only]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + ],[ + struct request_queue *q = NULL; + blk_queue_write_cache(q, true, true); + ],[ + AC_MSG_RESULT(no) + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY, 1, + [blk_queue_write_cache() is GPL-only]) + ]) + ],[ + AC_MSG_RESULT(no) + ]) + + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-blk-queue-max-hw-sectors.m4 b/zfs/config/kernel-blk-queue-max-hw-sectors.m4 new file mode 100644 index 000000000000..2f5515dc6b7b --- /dev/null +++ b/zfs/config/kernel-blk-queue-max-hw-sectors.m4 @@ -0,0 +1,22 @@ +dnl # +dnl # 2.6.34 API change +dnl # blk_queue_max_hw_sectors() replaces blk_queue_max_sectors(). +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS], [ + AC_MSG_CHECKING([whether blk_queue_max_hw_sectors() is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct request_queue *q = NULL; + (void) blk_queue_max_hw_sectors(q, BLK_SAFE_MAX_SECTORS); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_MAX_HW_SECTORS, 1, + [blk_queue_max_hw_sectors() is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-blk-queue-max-segments.m4 b/zfs/config/kernel-blk-queue-max-segments.m4 new file mode 100644 index 000000000000..b2a40423a5c8 --- /dev/null +++ b/zfs/config/kernel-blk-queue-max-segments.m4 @@ -0,0 +1,23 @@ +dnl # +dnl # 2.6.34 API change +dnl # blk_queue_max_segments() consolidates blk_queue_max_hw_segments() +dnl # and blk_queue_max_phys_segments(). +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS], [ + AC_MSG_CHECKING([whether blk_queue_max_segments() is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct request_queue *q = NULL; + (void) blk_queue_max_segments(q, BLK_MAX_SEGMENTS); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1, + [blk_queue_max_segments() is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-blk-queue-unplug.m4 b/zfs/config/kernel-blk-queue-unplug.m4 new file mode 100644 index 000000000000..075fbccd1a53 --- /dev/null +++ b/zfs/config/kernel-blk-queue-unplug.m4 @@ -0,0 +1,44 @@ +dnl # +dnl # 2.6.32-2.6.35 API - The BIO_RW_UNPLUG enum can be used as a hint +dnl # to unplug the queue. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BIO_RW_UNPLUG], [ + AC_MSG_CHECKING([whether the BIO_RW_UNPLUG enum is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + extern enum bio_rw_flags rw; + + rw = BIO_RW_UNPLUG; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_HAVE_BIO_RW_UNPLUG, 1, + [BIO_RW_UNPLUG is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) + +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BLK_PLUG], [ + AC_MSG_CHECKING([whether struct blk_plug is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct blk_plug plug; + + blk_start_plug(&plug); + blk_finish_plug(&plug); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_HAVE_BLK_PLUG, 1, + [struct blk_plug is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-blkdev-get-by-path.m4 b/zfs/config/kernel-blkdev-get-by-path.m4 new file mode 100644 index 000000000000..40ecc06b6c92 --- /dev/null +++ b/zfs/config/kernel-blkdev-get-by-path.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # 2.6.38 API change +dnl # open_bdev_exclusive() changed to blkdev_get_by_path() +dnl # close_bdev_exclusive() changed to blkdev_put() +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], + [AC_MSG_CHECKING([whether blkdev_get_by_path() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + blkdev_get_by_path(NULL, 0, NULL); + ], [blkdev_get_by_path], [fs/block_dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1, + [blkdev_get_by_path() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-blkdev-get.m4 b/zfs/config/kernel-blkdev-get.m4 new file mode 100644 index 000000000000..e31d71770511 --- /dev/null +++ b/zfs/config/kernel-blkdev-get.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # 2.6.37 API change +dnl # Added 3rd argument for the active holder, previously this was +dnl # hardcoded to NULL. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_3ARG_BLKDEV_GET], [ + AC_MSG_CHECKING([whether blkdev_get() wants 3 args]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct block_device *bdev = NULL; + (void) blkdev_get(bdev, 0, NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_3ARG_BLKDEV_GET, 1, [blkdev_get() wants 3 args]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-block-device-operations-release-void.m4 b/zfs/config/kernel-block-device-operations-release-void.m4 new file mode 100644 index 000000000000..a73f858722a0 --- /dev/null +++ b/zfs/config/kernel-block-device-operations-release-void.m4 @@ -0,0 +1,29 @@ +dnl # +dnl # 3.10.x API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID], [ + AC_MSG_CHECKING([whether block_device_operations.release is void]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + + void blk_release(struct gendisk *g, fmode_t mode) { return; } + + static const struct block_device_operations + bops __attribute__ ((unused)) = { + .open = NULL, + .release = blk_release, + .ioctl = NULL, + .compat_ioctl = NULL, + }; + ],[ + ],[ + AC_MSG_RESULT(void) + AC_DEFINE(HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID, 1, + [struct block_device_operations.release returns void]) + ],[ + AC_MSG_RESULT(int) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-check-disk-size-change.m4 b/zfs/config/kernel-check-disk-size-change.m4 new file mode 100644 index 000000000000..ea5c75f39f20 --- /dev/null +++ b/zfs/config/kernel-check-disk-size-change.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.28 API change +dnl # Added check_disk_size_change() helper function. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE], + [AC_MSG_CHECKING([whether check_disk_size_change() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + check_disk_size_change(NULL, NULL); + ], [check_disk_size_change], [fs/block_dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CHECK_DISK_SIZE_CHANGE, 1, + [check_disk_size_change() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-clear-inode.m4 b/zfs/config/kernel-clear-inode.m4 new file mode 100644 index 000000000000..8d880fcd8f50 --- /dev/null +++ b/zfs/config/kernel-clear-inode.m4 @@ -0,0 +1,34 @@ +dnl # +dnl # 3.5.0 API change +dnl # torvalds/linux@dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430 and +dnl # torvalds/linux@7994e6f7254354e03028a11f98a27bd67dace9f1 reworked +dnl # where inode_sync_wait() is called. +dnl # +dnl # Prior to these changes it would occur in end_writeback() but due +dnl # to various issues (described in the above commits) it has been +dnl # moved to evict(). This changes the ordering is which sync occurs +dnl # but otherwise doesn't impact the zpl implementation. +dnl # +dnl # The major impact here is the renaming of end_writeback() to +dnl # clear_inode(). However, care must be taken when detecting this +dnl # API change because as recently as 2.6.35 there was a clear_inode() +dnl # function. However, it was made obsolete by the evict_inode() API +dnl # change at the same time. +dnl # +dnl # Therefore, to ensure we have the correct API we only allow the +dnl # clear_inode() compatibility code to be defined iff the evict_inode() +dnl # functionality is also detected. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CLEAR_INODE], + [AC_MSG_CHECKING([whether clear_inode() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + clear_inode(NULL); + ], [clear_inode], [fs/inode.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CLEAR_INODE, 1, [clear_inode() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-commit-metadata.m4 b/zfs/config/kernel-commit-metadata.m4 new file mode 100644 index 000000000000..b66a16fd212d --- /dev/null +++ b/zfs/config/kernel-commit-metadata.m4 @@ -0,0 +1,23 @@ +dnl # +dnl # 2.6.33 API change +dnl # Added eops->commit_metadata() callback to allow the underlying +dnl # filesystem to determine the most efficient way to commit the inode. +dnl # Prior to this the nfs server would issue an explicit fsync(). +dnl # +AC_DEFUN([ZFS_AC_KERNEL_COMMIT_METADATA], [ + AC_MSG_CHECKING([whether eops->commit_metadata() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + int commit_metadata(struct inode *inode) { return 0; } + static struct export_operations eops __attribute__ ((unused))={ + .commit_metadata = commit_metadata, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_COMMIT_METADATA, 1, + [eops->commit_metadata() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-create-nameidata.m4 b/zfs/config/kernel-create-nameidata.m4 new file mode 100644 index 000000000000..a71490a004a6 --- /dev/null +++ b/zfs/config/kernel-create-nameidata.m4 @@ -0,0 +1,29 @@ +dnl # +dnl # 3.6 API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CREATE_NAMEIDATA], [ + AC_MSG_CHECKING([whether iops->create() passes nameidata]) + ZFS_LINUX_TRY_COMPILE([ + #include + + #ifdef HAVE_MKDIR_UMODE_T + int inode_create(struct inode *inode ,struct dentry *dentry, + umode_t umode, struct nameidata *nidata) { return 0; } + #else + int inode_create(struct inode *inode,struct dentry *dentry, + int umode, struct nameidata * nidata) { return 0; } + #endif + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .create = inode_create, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CREATE_NAMEIDATA, 1, + [iops->create() passes nameidata]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-current_bio_tail.m4 b/zfs/config/kernel-current_bio_tail.m4 new file mode 100644 index 000000000000..b72f21e8a356 --- /dev/null +++ b/zfs/config/kernel-current_bio_tail.m4 @@ -0,0 +1,33 @@ +dnl # +dnl # 2.6.34 API change +dnl # current->bio_tail and current->bio_list were struct bio pointers prior to +dnl # Linux 2.6.34. They were refactored into a struct bio_list pointer called +dnl # current->bio_list in Linux 2.6.34. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CURRENT_BIO_TAIL], [ + AC_MSG_CHECKING([whether current->bio_tail exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + current->bio_tail = (struct bio **) NULL; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CURRENT_BIO_TAIL, 1, + [current->bio_tail exists]) + ],[ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether current->bio_list exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + current->bio_list = (struct bio_list *) NULL; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CURRENT_BIO_LIST, 1, + [current->bio_list exists]) + ],[ + AC_MSG_ERROR(no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new) + ]) + ]) +]) diff --git a/zfs/config/kernel-d-make-root.m4 b/zfs/config/kernel-d-make-root.m4 new file mode 100644 index 000000000000..9c2b73dcbf59 --- /dev/null +++ b/zfs/config/kernel-d-make-root.m4 @@ -0,0 +1,17 @@ +dnl # +dnl # 3.4.0 API change +dnl # Added d_make_root() to replace previous d_alloc_root() function. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_D_MAKE_ROOT], + [AC_MSG_CHECKING([whether d_make_root() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + d_make_root(NULL); + ], [d_make_root], [fs/dcache.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_D_MAKE_ROOT, 1, [d_make_root() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-d-obtain-alias.m4 b/zfs/config/kernel-d-obtain-alias.m4 new file mode 100644 index 000000000000..2b4b11eccc1b --- /dev/null +++ b/zfs/config/kernel-d-obtain-alias.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.28 API change +dnl # Added d_obtain_alias() helper function. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], + [AC_MSG_CHECKING([whether d_obtain_alias() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + d_obtain_alias(NULL); + ], [d_obtain_alias], [fs/dcache.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1, + [d_obtain_alias() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-d-prune-aliases.m4 b/zfs/config/kernel-d-prune-aliases.m4 new file mode 100644 index 000000000000..d9c521b1d4cc --- /dev/null +++ b/zfs/config/kernel-d-prune-aliases.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # 2.6.12 API change +dnl # d_prune_aliases() helper function available. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_D_PRUNE_ALIASES], + [AC_MSG_CHECKING([whether d_prune_aliases() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + struct inode *ip = NULL; + d_prune_aliases(ip); + ], [d_prune_aliases], [fs/dcache.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_D_PRUNE_ALIASES, 1, + [d_prune_aliases() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-declare-event-class.m4 b/zfs/config/kernel-declare-event-class.m4 new file mode 100644 index 000000000000..7867d751749d --- /dev/null +++ b/zfs/config/kernel-declare-event-class.m4 @@ -0,0 +1,59 @@ +dnl # +dnl # Ensure the DECLARE_EVENT_CLASS macro is available to non-GPL modules. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_DECLARE_EVENT_CLASS], [ + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-I\$(src)" + + AC_MSG_CHECKING([whether DECLARE_EVENT_CLASS() is available]) + ZFS_LINUX_TRY_COMPILE_HEADER([ + #include + MODULE_LICENSE(ZFS_META_LICENSE); + + #define CREATE_TRACE_POINTS + #include "conftest.h" + ],[ + trace_zfs_autoconf_event_one(1UL); + trace_zfs_autoconf_event_two(2UL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_DECLARE_EVENT_CLASS, 1, + [DECLARE_EVENT_CLASS() is available]) + ],[ + AC_MSG_RESULT(no) + ],[ + #if !defined(_CONFTEST_H) || defined(TRACE_HEADER_MULTI_READ) + #define _CONFTEST_H + + #undef TRACE_SYSTEM + #define TRACE_SYSTEM zfs + #include + + DECLARE_EVENT_CLASS(zfs_autoconf_event_class, + TP_PROTO(unsigned long i), + TP_ARGS(i), + TP_STRUCT__entry( + __field(unsigned long, i) + ), + TP_fast_assign( + __entry->i = i; + ), + TP_printk("i = %lu", __entry->i) + ); + + #define DEFINE_AUTOCONF_EVENT(name) \ + DEFINE_EVENT(zfs_autoconf_event_class, name, \ + TP_PROTO(unsigned long i), \ + TP_ARGS(i)) + DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_one); + DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_two); + + #endif /* _CONFTEST_H */ + + #undef TRACE_INCLUDE_PATH + #define TRACE_INCLUDE_PATH . + #define TRACE_INCLUDE_FILE conftest + #include + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-dentry-operations.m4 b/zfs/config/kernel-dentry-operations.m4 new file mode 100644 index 000000000000..3182490c908c --- /dev/null +++ b/zfs/config/kernel-dentry-operations.m4 @@ -0,0 +1,87 @@ +dnl # +dnl # 3.6 API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA], [ + AC_MSG_CHECKING([whether dops->d_revalidate() takes struct nameidata]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int revalidate (struct dentry *dentry, + struct nameidata *nidata) { return 0; } + + static const struct dentry_operations + dops __attribute__ ((unused)) = { + .d_revalidate = revalidate, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_D_REVALIDATE_NAMEIDATA, 1, + [dops->d_revalidate() operation takes nameidata]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.30 API change +dnl # The 'struct dentry_operations' was constified in the dentry structure. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS], [ + AC_MSG_CHECKING([whether dentry uses const struct dentry_operations]) + ZFS_LINUX_TRY_COMPILE([ + #include + + const struct dentry_operations test_d_op = { + .d_revalidate = NULL, + }; + ],[ + struct dentry d __attribute__ ((unused)); + + d.d_op = &test_d_op; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CONST_DENTRY_OPERATIONS, 1, + [dentry uses const struct dentry_operations]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.38 API change +dnl # Added d_set_d_op() helper function. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], + [AC_MSG_CHECKING([whether d_set_d_op() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + d_set_d_op(NULL, NULL); + ], [d_set_d_op], [fs/dcache.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_D_SET_D_OP, 1, + [d_set_d_op() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 2.6.38 API chage +dnl # Added sb->s_d_op default dentry_operations member +dnl # +AC_DEFUN([ZFS_AC_KERNEL_S_D_OP], + [AC_MSG_CHECKING([whether super_block has s_d_op]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct super_block sb __attribute__ ((unused)); + sb.s_d_op = NULL; + ], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_S_D_OP, 1, [struct super_block has s_d_op]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-dirty-inode.m4 b/zfs/config/kernel-dirty-inode.m4 new file mode 100644 index 000000000000..ffd87bb146d6 --- /dev/null +++ b/zfs/config/kernel-dirty-inode.m4 @@ -0,0 +1,26 @@ +dnl # +dnl # 3.0 API change +dnl # The sops->dirty_inode() callbacks were updated to take a flags +dnl # argument. This allows the greater control over whether the +dnl # filesystem needs to push out a transaction or not. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS], [ + AC_MSG_CHECKING([whether sops->dirty_inode() wants flags]) + ZFS_LINUX_TRY_COMPILE([ + #include + + void dirty_inode(struct inode *a, int b) { return; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .dirty_inode = dirty_inode, + }; + ],[ + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_DIRTY_INODE_WITH_FLAGS, 1, + [sops->dirty_inode() wants flags]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) diff --git a/zfs/config/kernel-discard-granularity.m4 b/zfs/config/kernel-discard-granularity.m4 new file mode 100644 index 000000000000..2c677c909687 --- /dev/null +++ b/zfs/config/kernel-discard-granularity.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # 2.6.33 API change +dnl # Discard granularity and alignment restrictions may now be set. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_DISCARD_GRANULARITY], [ + AC_MSG_CHECKING([whether ql->discard_granularity is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct queue_limits ql __attribute__ ((unused)); + + ql.discard_granularity = 0; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_DISCARD_GRANULARITY, 1, + [ql->discard_granularity is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-elevator-change.m4 b/zfs/config/kernel-elevator-change.m4 new file mode 100644 index 000000000000..ace5aa82d3d3 --- /dev/null +++ b/zfs/config/kernel-elevator-change.m4 @@ -0,0 +1,25 @@ +dnl # +dnl # 2.6.36 API change +dnl # Verify the elevator_change() symbol is available. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_ELEVATOR_CHANGE], [ + AC_MSG_CHECKING([whether elevator_change() is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + #include + ],[ + int ret; + struct request_queue *q = NULL; + char *elevator = NULL; + ret = elevator_change(q, elevator); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_ELEVATOR_CHANGE, 1, + [elevator_change() is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-encode-fh-inode.m4 b/zfs/config/kernel-encode-fh-inode.m4 new file mode 100644 index 000000000000..287f62a5eda6 --- /dev/null +++ b/zfs/config/kernel-encode-fh-inode.m4 @@ -0,0 +1,24 @@ +dnl # +dnl # 3.5.0 API change +dnl # torvalds/linux@b0b0382bb4904965a9e9fca77ad87514dfda0d1c changed the +dnl # ->encode_fh() callback to pass the child inode and its parents inode +dnl # rather than a dentry and a boolean saying whether we want the parent. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE], [ + AC_MSG_CHECKING([whether eops->encode_fh() wants inode]) + ZFS_LINUX_TRY_COMPILE([ + #include + int encode_fh(struct inode *inode, __u32 *fh, int *max_len, + struct inode *parent) { return 0; } + static struct export_operations eops __attribute__ ((unused))={ + .encode_fh = encode_fh, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_ENCODE_FH_WITH_INODE, 1, + [eops->encode_fh() wants child and parent inodes]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-evict-inode.m4 b/zfs/config/kernel-evict-inode.m4 new file mode 100644 index 000000000000..683cedb6d387 --- /dev/null +++ b/zfs/config/kernel-evict-inode.m4 @@ -0,0 +1,21 @@ +dnl # +dnl # 2.6.36 API change +dnl # The sops->delete_inode() and sops->clear_inode() callbacks have +dnl # replaced by a single sops->evict_inode() callback. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_EVICT_INODE], [ + AC_MSG_CHECKING([whether sops->evict_inode() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + void evict_inode (struct inode * t) { return; } + static struct super_operations sops __attribute__ ((unused)) = { + .evict_inode = evict_inode, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_EVICT_INODE, 1, [sops->evict_inode() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-fallocate.m4 b/zfs/config/kernel-fallocate.m4 new file mode 100644 index 000000000000..5509064725e0 --- /dev/null +++ b/zfs/config/kernel-fallocate.m4 @@ -0,0 +1,56 @@ +dnl # +dnl # Linux 2.6.38 - 3.x API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FILE_FALLOCATE], [ + AC_MSG_CHECKING([whether fops->fallocate() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + long test_fallocate(struct file *file, int mode, + loff_t offset, loff_t len) { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fallocate = test_fallocate, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # Linux 2.6.x - 2.6.37 API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_FALLOCATE], [ + AC_MSG_CHECKING([whether iops->fallocate() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + long test_fallocate(struct inode *inode, int mode, + loff_t offset, loff_t len) { return 0; } + + static const struct inode_operations + fops __attribute__ ((unused)) = { + .fallocate = test_fallocate, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_FALLOCATE, 1, [fops->fallocate() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # The fallocate callback was moved from the inode_operations +dnl # structure to the file_operations structure. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FALLOCATE], [ + ZFS_AC_KERNEL_FILE_FALLOCATE + ZFS_AC_KERNEL_INODE_FALLOCATE +]) diff --git a/zfs/config/kernel-file-inode.m4 b/zfs/config/kernel-file-inode.m4 new file mode 100644 index 000000000000..300188fa3a64 --- /dev/null +++ b/zfs/config/kernel-file-inode.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # 3.19 API change +dnl # struct access f->f_dentry->d_inode was replaced by accessor function +dnl # file_inode(f) +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FILE_INODE], [ + AC_MSG_CHECKING([whether file_inode() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct file *f = NULL; + file_inode(f); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FILE_INODE, 1, [file_inode() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-fmode-t.m4 b/zfs/config/kernel-fmode-t.m4 new file mode 100644 index 000000000000..4a23c391d326 --- /dev/null +++ b/zfs/config/kernel-fmode-t.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.28 API change, +dnl # check if fmode_t typedef is defined +dnl # +AC_DEFUN([ZFS_AC_KERNEL_TYPE_FMODE_T], + [AC_MSG_CHECKING([whether kernel defines fmode_t]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + fmode_t *ptr __attribute__ ((unused)); + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_FMODE_T, 1, + [kernel defines fmode_t]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) diff --git a/zfs/config/kernel-follow-down-one.m4 b/zfs/config/kernel-follow-down-one.m4 new file mode 100644 index 000000000000..63fa779d8571 --- /dev/null +++ b/zfs/config/kernel-follow-down-one.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # 2.6.38 API change +dnl # follow_down() renamed follow_down_one(). The original follow_down() +dnl # symbol still exists but will traverse down all the layers. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FOLLOW_DOWN_ONE], [ + AC_MSG_CHECKING([whether follow_down_one() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct path *p = NULL; + follow_down_one(p); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FOLLOW_DOWN_ONE, 1, + [follow_down_one() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-fsync.m4 b/zfs/config/kernel-fsync.m4 new file mode 100644 index 000000000000..e1f2d68b9b1f --- /dev/null +++ b/zfs/config/kernel-fsync.m4 @@ -0,0 +1,74 @@ +dnl # +dnl # Linux 2.6.x - 2.6.34 API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FSYNC_WITH_DENTRY], [ + ZFS_LINUX_TRY_COMPILE([ + #include + + int test_fsync(struct file *f, struct dentry *dentry, int x) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + ],[ + ],[ + AC_MSG_RESULT([dentry]) + AC_DEFINE(HAVE_FSYNC_WITH_DENTRY, 1, + [fops->fsync() with dentry]) + ],[ + ]) +]) + +dnl # +dnl # Linux 2.6.35 - Linux 3.0 API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FSYNC_WITHOUT_DENTRY], [ + ZFS_LINUX_TRY_COMPILE([ + #include + + int test_fsync(struct file *f, int x) { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + ],[ + ],[ + AC_MSG_RESULT([no dentry]) + AC_DEFINE(HAVE_FSYNC_WITHOUT_DENTRY, 1, + [fops->fsync() without dentry]) + ],[ + ]) +]) + +dnl # +dnl # Linux 3.1 - 3.x API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FSYNC_RANGE], [ + ZFS_LINUX_TRY_COMPILE([ + #include + + int test_fsync(struct file *f, loff_t a, loff_t b, int c) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + ],[ + ],[ + AC_MSG_RESULT([range]) + AC_DEFINE(HAVE_FSYNC_RANGE, 1, + [fops->fsync() with range]) + ],[ + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_FSYNC], [ + AC_MSG_CHECKING([whether fops->fsync() wants]) + ZFS_AC_KERNEL_FSYNC_WITH_DENTRY + ZFS_AC_KERNEL_FSYNC_WITHOUT_DENTRY + ZFS_AC_KERNEL_FSYNC_RANGE +]) diff --git a/zfs/config/kernel-generic_io_acct.m4 b/zfs/config/kernel-generic_io_acct.m4 new file mode 100644 index 000000000000..25bfa384808b --- /dev/null +++ b/zfs/config/kernel-generic_io_acct.m4 @@ -0,0 +1,26 @@ +dnl # +dnl # 3.19 API addition +dnl # +dnl # torvalds/linux@394ffa503bc40e32d7f54a9b817264e81ce131b4 allows us to +dnl # increment iostat counters without generic_make_request(). +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GENERIC_IO_ACCT], [ + AC_MSG_CHECKING([whether generic IO accounting symbols are avaliable]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + + void (*generic_start_io_acct_f)(int, unsigned long, + struct hd_struct *) = &generic_start_io_acct; + void (*generic_end_io_acct_f)(int, struct hd_struct *, + unsigned long) = &generic_end_io_acct; + ], [ + generic_start_io_acct(0, 0, NULL); + generic_end_io_acct(0, NULL, 0); + ], [generic_start_io_acct], [block/bio.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GENERIC_IO_ACCT, 1, + [generic_start_io_acct()/generic_end_io_acct() avaliable]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-generic_readlink.m4 b/zfs/config/kernel-generic_readlink.m4 new file mode 100644 index 000000000000..914431de4fdc --- /dev/null +++ b/zfs/config/kernel-generic_readlink.m4 @@ -0,0 +1,22 @@ +dnl # +dnl # 4.10 API +dnl # +dnl # NULL inode_operations.readlink implies generic_readlink(), which +dnl # has been made static. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL], [ + AC_MSG_CHECKING([whether generic_readlink is global]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int i __attribute__ ((unused)); + + i = generic_readlink(NULL, NULL, 0); + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_GENERIC_READLINK, 1, + [generic_readlink is global]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) diff --git a/zfs/config/kernel-get-disk-ro.m4 b/zfs/config/kernel-get-disk-ro.m4 new file mode 100644 index 000000000000..13ed81217ee3 --- /dev/null +++ b/zfs/config/kernel-get-disk-ro.m4 @@ -0,0 +1,21 @@ +dnl # +dnl # 2.6.x API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_RO], [ + AC_MSG_CHECKING([whether get_disk_ro() is available]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct gendisk *disk = NULL; + (void) get_disk_ro(disk); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GET_DISK_RO, 1, + [blk_disk_ro() is available]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) diff --git a/zfs/config/kernel-get-gendisk.m4 b/zfs/config/kernel-get-gendisk.m4 new file mode 100644 index 000000000000..b0913770e43d --- /dev/null +++ b/zfs/config/kernel-get-gendisk.m4 @@ -0,0 +1,17 @@ +dnl # +dnl # 2.6.34 API change +dnl # Verify the get_gendisk() symbol is available. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GET_GENDISK], + [AC_MSG_CHECKING([whether get_gendisk() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + get_gendisk(0, NULL); + ], [get_gendisk], [block/genhd.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GET_GENDISK, 1, [get_gendisk() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-get-link.m4 b/zfs/config/kernel-get-link.m4 new file mode 100644 index 000000000000..022c49c54de7 --- /dev/null +++ b/zfs/config/kernel-get-link.m4 @@ -0,0 +1,100 @@ +dnl # +dnl # Supported get_link() interfaces checked newest to oldest. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_FOLLOW_LINK], [ + dnl # + dnl # 4.2 API change + dnl # - This kernel retired the nameidata structure. + dnl # + AC_MSG_CHECKING([whether iops->follow_link() passes cookie]) + ZFS_LINUX_TRY_COMPILE([ + #include + const char *follow_link(struct dentry *de, + void **cookie) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .follow_link = follow_link, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FOLLOW_LINK_COOKIE, 1, + [iops->follow_link() cookie]) + ],[ + dnl # + dnl # 2.6.32 API + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING( + [whether iops->follow_link() passes nameidata]) + ZFS_LINUX_TRY_COMPILE([ + #include + void *follow_link(struct dentry *de, struct + nameidata *nd) { return (void *)NULL; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .follow_link = follow_link, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FOLLOW_LINK_NAMEIDATA, 1, + [iops->follow_link() nameidata]) + ],[ + AC_MSG_ERROR(no; please file a bug report) + ]) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_GET_LINK], [ + dnl # + dnl # 4.5 API change + dnl # The get_link interface has added a delayed done call and + dnl # used it to retire the put_link() interface. + dnl # + AC_MSG_CHECKING([whether iops->get_link() passes delayed]) + ZFS_LINUX_TRY_COMPILE([ + #include + const char *get_link(struct dentry *de, struct inode *ip, + struct delayed_call *done) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .get_link = get_link, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GET_LINK_DELAYED, 1, + [iops->get_link() delayed]) + ],[ + dnl # + dnl # 4.5 API change + dnl # The follow_link() interface has been replaced by + dnl # get_link() which behaves the same as before except: + dnl # - An inode is passed as a separate argument + dnl # - When called in RCU mode a NULL dentry is passed. + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether iops->get_link() passes cookie]) + ZFS_LINUX_TRY_COMPILE([ + #include + const char *get_link(struct dentry *de, struct + inode *ip, void **cookie) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .get_link = get_link, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GET_LINK_COOKIE, 1, + [iops->get_link() cookie]) + ],[ + dnl # + dnl # Check for the follow_link APIs. + dnl # + AC_MSG_RESULT(no) + ZFS_AC_KERNEL_FOLLOW_LINK + ]) + ]) +]) diff --git a/zfs/config/kernel-insert-inode-locked.m4 b/zfs/config/kernel-insert-inode-locked.m4 new file mode 100644 index 000000000000..da141d180a9e --- /dev/null +++ b/zfs/config/kernel-insert-inode-locked.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.28 API change +dnl # Added insert_inode_locked() helper function. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INSERT_INODE_LOCKED], + [AC_MSG_CHECKING([whether insert_inode_locked() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + insert_inode_locked(NULL); + ], [insert_inode_locked], [fs/inode.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INSERT_INODE_LOCKED, 1, + [insert_inode_locked() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-invalidate-bdev-args.m4 b/zfs/config/kernel-invalidate-bdev-args.m4 new file mode 100644 index 000000000000..09c2ebf26e99 --- /dev/null +++ b/zfs/config/kernel-invalidate-bdev-args.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # 2.6.22 API change +dnl # Unused destroy_dirty_buffers arg removed from prototype. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS], [ + AC_MSG_CHECKING([whether invalidate_bdev() wants 1 arg]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct block_device *bdev = NULL; + invalidate_bdev(bdev); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_1ARG_INVALIDATE_BDEV, 1, + [invalidate_bdev() wants 1 arg]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-is_owner_or_cap.m4 b/zfs/config/kernel-is_owner_or_cap.m4 new file mode 100644 index 000000000000..da07e58dda35 --- /dev/null +++ b/zfs/config/kernel-is_owner_or_cap.m4 @@ -0,0 +1,36 @@ +dnl # +dnl # 2.6.39 API change, +dnl # The is_owner_or_cap() macro was renamed to inode_owner_or_capable(), +dnl # This is used for permission checks in the xattr and file attribute call +dnl # paths. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE], [ + AC_MSG_CHECKING([whether inode_owner_or_capable() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct inode *ip = NULL; + (void) inode_owner_or_capable(ip); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1, + [inode_owner_or_capable() exists]) + ],[ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether is_owner_or_cap() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + ],[ + struct inode *ip = NULL; + (void) is_owner_or_cap(ip); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_IS_OWNER_OR_CAP, 1, + [is_owner_or_cap() exists]) + ],[ + AC_MSG_ERROR(no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new) + ]) + ]) +]) diff --git a/zfs/config/kernel-kmap-atomic-args.m4 b/zfs/config/kernel-kmap-atomic-args.m4 new file mode 100644 index 000000000000..beb1692e721b --- /dev/null +++ b/zfs/config/kernel-kmap-atomic-args.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # 2.6.37 API change +dnl # kmap_atomic changed from assigning hard-coded named slot to using +dnl # push/pop based dynamical allocation. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS], [ + AC_MSG_CHECKING([whether kmap_atomic wants 1 args]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct page page; + kmap_atomic(&page); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_1ARG_KMAP_ATOMIC, 1, + [kmap_atomic wants 1 args]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-kobj-name-len.m4 b/zfs/config/kernel-kobj-name-len.m4 new file mode 100644 index 000000000000..37999fabb81d --- /dev/null +++ b/zfs/config/kernel-kobj-name-len.m4 @@ -0,0 +1,21 @@ +dnl # +dnl # 2.6.27 API change, +dnl # kobject KOBJ_NAME_LEN static limit removed. All users of this +dnl # constant were removed prior to 2.6.27, but to be on the safe +dnl # side this check ensures the constant is undefined. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_KOBJ_NAME_LEN], [ + AC_MSG_CHECKING([whether kernel defines KOBJ_NAME_LEN]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + int val __attribute__ ((unused)); + val = KOBJ_NAME_LEN; + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_KOBJ_NAME_LEN, 1, + [kernel defines KOBJ_NAME_LEN]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) diff --git a/zfs/config/kernel-lookup-bdev.m4 b/zfs/config/kernel-lookup-bdev.m4 new file mode 100644 index 000000000000..abbf55d9bb39 --- /dev/null +++ b/zfs/config/kernel-lookup-bdev.m4 @@ -0,0 +1,29 @@ +dnl # +dnl # 2.6.27, lookup_bdev() was exported. +dnl # 4.4.0-6.21 - x.y on Ubuntu, lookup_bdev() takes 2 arguments. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_BDEV], + [AC_MSG_CHECKING([whether lookup_bdev() wants 1 arg]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + lookup_bdev(NULL); + ], [lookup_bdev], [fs/block_dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_1ARG_LOOKUP_BDEV, 1, [lookup_bdev() wants 1 arg]) + ], [ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether lookup_bdev() wants 2 args]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + lookup_bdev(NULL, FMODE_READ); + ], [lookup_bdev], [fs/block_dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_2ARGS_LOOKUP_BDEV, 1, + [lookup_bdev() wants 2 args]) + ], [ + AC_MSG_RESULT(no) + ]) + ]) +]) \ No newline at end of file diff --git a/zfs/config/kernel-lookup-nameidata.m4 b/zfs/config/kernel-lookup-nameidata.m4 new file mode 100644 index 000000000000..43f5fb4cbc7b --- /dev/null +++ b/zfs/config/kernel-lookup-nameidata.m4 @@ -0,0 +1,25 @@ +dnl # +dnl # 3.6 API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_NAMEIDATA], [ + AC_MSG_CHECKING([whether iops->lookup() passes nameidata]) + ZFS_LINUX_TRY_COMPILE([ + #include + + struct dentry *inode_lookup(struct inode *inode, + struct dentry *dentry, struct nameidata *nidata) + { return NULL; } + + static const struct inode_operations iops + __attribute__ ((unused)) = { + .lookup = inode_lookup, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_LOOKUP_NAMEIDATA, 1, + [iops->lookup() passes nameidata]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-lseek-execute.m4 b/zfs/config/kernel-lseek-execute.m4 new file mode 100644 index 000000000000..8c4032b92c6b --- /dev/null +++ b/zfs/config/kernel-lseek-execute.m4 @@ -0,0 +1,23 @@ +dnl # +dnl # 3.11 API change +dnl # lseek_execute helper exported +dnl # +AC_DEFUN([ZFS_AC_KERNEL_LSEEK_EXECUTE], + [AC_MSG_CHECKING([whether lseek_execute() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + struct file *fp __attribute__ ((unused)) = NULL; + struct inode *ip __attribute__ ((unused)) = NULL; + loff_t offset __attribute__ ((unused)) = 0; + loff_t maxsize __attribute__ ((unused)) = 0; + + lseek_execute(fp, ip, offset, maxsize); + ], [lseek_exclusive], [fs/read_write.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_LSEEK_EXECUTE, 1, + [lseek_execute() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-mk-request-fn.m4 b/zfs/config/kernel-mk-request-fn.m4 new file mode 100644 index 000000000000..57eebe23de5b --- /dev/null +++ b/zfs/config/kernel-mk-request-fn.m4 @@ -0,0 +1,65 @@ +dnl # +dnl # Linux 3.2 API Change +dnl # make_request_fn returns void instead of int. +dnl # +dnl # Linux 4.4 API Change +dnl # make_request_fn returns blk_qc_t. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [ + AC_MSG_CHECKING([whether make_request_fn() returns int]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int make_request(struct request_queue *q, struct bio *bio) + { + return (0); + } + ],[ + blk_queue_make_request(NULL, &make_request); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(MAKE_REQUEST_FN_RET, int, + [make_request_fn() returns int]) + AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_INT, 1, + [Noting that make_request_fn() returns int]) + ],[ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether make_request_fn() returns void]) + ZFS_LINUX_TRY_COMPILE([ + #include + + void make_request(struct request_queue *q, struct bio *bio) + { + return; + } + ],[ + blk_queue_make_request(NULL, &make_request); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(MAKE_REQUEST_FN_RET, void, + [make_request_fn() returns void]) + ],[ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether make_request_fn() returns blk_qc_t]) + ZFS_LINUX_TRY_COMPILE([ + #include + + blk_qc_t make_request(struct request_queue *q, struct bio *bio) + { + return (BLK_QC_T_NONE); + } + ],[ + blk_queue_make_request(NULL, &make_request); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t, + [make_request_fn() returns blk_qc_t]) + AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1, + [Noting that make_request_fn() returns blk_qc_t]) + ],[ + AC_MSG_ERROR(no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new) + ]) + ]) + ]) +]) diff --git a/zfs/config/kernel-mkdir-umode-t.m4 b/zfs/config/kernel-mkdir-umode-t.m4 new file mode 100644 index 000000000000..634260b3ca2b --- /dev/null +++ b/zfs/config/kernel-mkdir-umode-t.m4 @@ -0,0 +1,29 @@ +dnl # +dnl # 3.3 API change +dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a +dnl # umode_t type rather than an int. The expectation is that any backport +dnl # would also change all three prototypes. However, if it turns out that +dnl # some distribution doesn't backport the whole thing this could be +dnl # broken apart in to three seperate checks. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_MKDIR_UMODE_T], [ + AC_MSG_CHECKING([whether iops->create()/mkdir()/mknod() take umode_t]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int mkdir(struct inode *inode, struct dentry *dentry, + umode_t umode) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .mkdir = mkdir, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_MKDIR_UMODE_T, 1, + [iops->create()/mkdir()/mknod() take umode_t]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-mount-nodev.m4 b/zfs/config/kernel-mount-nodev.m4 new file mode 100644 index 000000000000..28a45157e4d0 --- /dev/null +++ b/zfs/config/kernel-mount-nodev.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # 2.6.39 API change +dnl # The .get_sb callback has been replaced by a .mount callback +dnl # in the file_system_type structure. When using the new +dnl # interface the caller must now use the mount_nodev() helper. +dnl # This updated callback and helper no longer pass the vfsmount. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_MOUNT_NODEV], + [AC_MSG_CHECKING([whether mount_nodev() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + mount_nodev(NULL, 0, NULL, NULL); + ], [mount_nodev], [fs/super.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_MOUNT_NODEV, 1, [mount_nodev() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-open-bdev-exclusive.m4 b/zfs/config/kernel-open-bdev-exclusive.m4 new file mode 100644 index 000000000000..0661315a610f --- /dev/null +++ b/zfs/config/kernel-open-bdev-exclusive.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.28 API change +dnl # open/close_bdev_excl() renamed to open/close_bdev_exclusive() +dnl # +AC_DEFUN([ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE], + [AC_MSG_CHECKING([whether open_bdev_exclusive() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + open_bdev_exclusive(NULL, 0, NULL); + ], [open_bdev_exclusive], [fs/block_dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_OPEN_BDEV_EXCLUSIVE, 1, + [open_bdev_exclusive() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-put-link.m4 b/zfs/config/kernel-put-link.m4 new file mode 100644 index 000000000000..a0bb36ef2772 --- /dev/null +++ b/zfs/config/kernel-put-link.m4 @@ -0,0 +1,60 @@ +dnl # +dnl # Supported symlink APIs +dnl # +AC_DEFUN([ZFS_AC_KERNEL_PUT_LINK], [ + dnl # + dnl # 4.5 API change + dnl # get_link() uses delayed done, there is no put_link() interface. + dnl # + ZFS_LINUX_TRY_COMPILE([ + #if !defined(HAVE_GET_LINK_DELAYED) + #error "Expecting get_link() delayed done" + #endif + ],[ + ],[ + AC_DEFINE(HAVE_PUT_LINK_DELAYED, 1, [iops->put_link() delayed]) + ],[ + dnl # + dnl # 4.2 API change + dnl # This kernel retired the nameidata structure. + dnl # + AC_MSG_CHECKING([whether iops->put_link() passes cookie]) + ZFS_LINUX_TRY_COMPILE([ + #include + void put_link(struct inode *ip, void *cookie) + { return; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .put_link = put_link, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PUT_LINK_COOKIE, 1, + [iops->put_link() cookie]) + ],[ + dnl # + dnl # 2.6.32 API + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING( + [whether iops->put_link() passes nameidata]) + ZFS_LINUX_TRY_COMPILE([ + #include + void put_link(struct dentry *de, struct + nameidata *nd, void *ptr) { return; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .put_link = put_link, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PUT_LINK_NAMEIDATA, 1, + [iops->put_link() nameidata]) + ],[ + AC_MSG_ERROR(no; please file a bug report) + ]) + ]) + ]) +]) diff --git a/zfs/config/kernel-rename.m4 b/zfs/config/kernel-rename.m4 new file mode 100644 index 000000000000..9f894fb4db1a --- /dev/null +++ b/zfs/config/kernel-rename.m4 @@ -0,0 +1,25 @@ +dnl # +dnl # 4.9 API change, +dnl # iops->rename2() merged into iops->rename(), and iops->rename() now wants +dnl # flags. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_RENAME_WANTS_FLAGS], [ + AC_MSG_CHECKING([whether iops->rename() wants flags]) + ZFS_LINUX_TRY_COMPILE([ + #include + int rename_fn(struct inode *sip, struct dentry *sdp, + struct inode *tip, struct dentry *tdp, + unsigned int flags) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .rename = rename_fn, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_RENAME_WANTS_FLAGS, 1, [iops->rename() wants flags]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-security-inode-init.m4 b/zfs/config/kernel-security-inode-init.m4 new file mode 100644 index 000000000000..a62176d42b54 --- /dev/null +++ b/zfs/config/kernel-security-inode-init.m4 @@ -0,0 +1,55 @@ +dnl # +dnl # 2.6.39 API change +dnl # The security_inode_init_security() function now takes an additional +dnl # qstr argument which must be passed in from the dentry if available. +dnl # Passing a NULL is safe when no qstr is available the relevant +dnl # security checks will just be skipped. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY], [ + AC_MSG_CHECKING([whether security_inode_init_security wants 6 args]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct inode *ip __attribute__ ((unused)) = NULL; + struct inode *dip __attribute__ ((unused)) = NULL; + const struct qstr *str __attribute__ ((unused)) = NULL; + char *name __attribute__ ((unused)) = NULL; + void *value __attribute__ ((unused)) = NULL; + size_t len __attribute__ ((unused)) = 0; + + security_inode_init_security(ip, dip, str, &name, &value, &len); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY, 1, + [security_inode_init_security wants 6 args]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.2 API change +dnl # The security_inode_init_security() API has been changed to include +dnl # a filesystem specific callback to write security extended attributes. +dnl # This was done to support the initialization of multiple LSM xattrs +dnl # and the EVM xattr. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY], [ + AC_MSG_CHECKING([whether security_inode_init_security wants callback]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct inode *ip __attribute__ ((unused)) = NULL; + struct inode *dip __attribute__ ((unused)) = NULL; + const struct qstr *str __attribute__ ((unused)) = NULL; + initxattrs func __attribute__ ((unused)) = NULL; + + security_inode_init_security(ip, dip, str, func, NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_CALLBACK_SECURITY_INODE_INIT_SECURITY, 1, + [security_inode_init_security wants callback]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-set-nlink.m4 b/zfs/config/kernel-set-nlink.m4 new file mode 100644 index 000000000000..f7ffc0d3a5e9 --- /dev/null +++ b/zfs/config/kernel-set-nlink.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # Linux v3.2-rc1 API change +dnl # SHA: bfe8684869601dacfcb2cd69ef8cfd9045f62170 +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SET_NLINK], [ + AC_MSG_CHECKING([whether set_nlink() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct inode node; + unsigned int link = 0; + (void) set_nlink(&node, link); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SET_NLINK, 1, + [set_nlink() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-setattr-prepare.m4 b/zfs/config/kernel-setattr-prepare.m4 new file mode 100644 index 000000000000..32f7deb77abe --- /dev/null +++ b/zfs/config/kernel-setattr-prepare.m4 @@ -0,0 +1,23 @@ +dnl # +dnl # 4.9 API change +dnl # The inode_change_ok() function has been renamed setattr_prepare() +dnl # and updated to take a dentry rather than an inode. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SETATTR_PREPARE], + [AC_MSG_CHECKING([whether setattr_prepare() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + struct dentry *dentry = NULL; + struct iattr *attr = NULL; + int error; + + error = setattr_prepare(dentry, attr); + ], [setattr_prepare], [fs/attr.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SETATTR_PREPARE, 1, + [setattr_prepare() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-sget-args.m4 b/zfs/config/kernel-sget-args.m4 new file mode 100644 index 000000000000..9d1745925f3c --- /dev/null +++ b/zfs/config/kernel-sget-args.m4 @@ -0,0 +1,23 @@ +dnl # +dnl # 3.6 API change, +dnl # 'sget' now takes the mount flags as an argument. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_5ARG_SGET], + [AC_MSG_CHECKING([whether sget() wants 5 args]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct file_system_type *type = NULL; + int (*test)(struct super_block *,void *) = NULL; + int (*set)(struct super_block *,void *) = NULL; + int flags = 0; + void *data = NULL; + (void) sget(type, test, set, flags, data); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_5ARG_SGET, 1, [sget() wants 5 args]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + diff --git a/zfs/config/kernel-show-options.m4 b/zfs/config/kernel-show-options.m4 new file mode 100644 index 000000000000..67d683c55e3a --- /dev/null +++ b/zfs/config/kernel-show-options.m4 @@ -0,0 +1,22 @@ +dnl # +dnl # Linux 3.3 API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SHOW_OPTIONS], [ + AC_MSG_CHECKING([whether sops->show_options() wants dentry]) + + ZFS_LINUX_TRY_COMPILE([ + #include + + int show_options (struct seq_file * x, struct dentry * y) { return 0; }; + static struct super_operations sops __attribute__ ((unused)) = { + .show_options = show_options, + }; + ],[ + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_SHOW_OPTIONS_WITH_DENTRY, 1, + [sops->show_options() with dentry]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) diff --git a/zfs/config/kernel-shrink.m4 b/zfs/config/kernel-shrink.m4 new file mode 100644 index 000000000000..a57c2afb0b6b --- /dev/null +++ b/zfs/config/kernel-shrink.m4 @@ -0,0 +1,133 @@ +dnl # +dnl # 3.1 API change +dnl # The super_block structure now stores a per-filesystem shrinker. +dnl # This interface is preferable because it can be used to specifically +dnl # target only the zfs filesystem for pruning. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SHRINK], [ + AC_MSG_CHECKING([whether super_block has s_shrink]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int shrink(struct shrinker *s, struct shrink_control *sc) + { return 0; } + + static const struct super_block + sb __attribute__ ((unused)) = { + .s_shrink.shrink = shrink, + .s_shrink.seeks = DEFAULT_SEEKS, + .s_shrink.batch = 0, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SHRINK, 1, [struct super_block has s_shrink]) + + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.3 API change +dnl # The super_block structure was changed to use an hlist_node instead +dnl # of a list_head for the .s_instance linkage. +dnl # +dnl # This was done in part to resolve a race in the iterate_supers_type() +dnl # function which was introduced in Linux 3.0 kernel. The iterator +dnl # was supposed to provide a safe way to call an arbitrary function on +dnl # all super blocks of a specific type. Unfortunately, because a +dnl # list_head was used it was possible for iterate_supers_type() to +dnl # get stuck spinning a super block which was just deactivated. +dnl # +dnl # This can occur because when the list head is removed from the +dnl # fs_supers list it is reinitialized to point to itself. If the +dnl # iterate_supers_type() function happened to be processing the +dnl # removed list_head it will get stuck spinning on that list_head. +dnl # +dnl # To resolve the issue for existing 3.0 - 3.2 kernels we detect when +dnl # a list_head is used. Then to prevent the spinning from occurring +dnl # the .next pointer is set to the fs_supers list_head which ensures +dnl # the iterate_supers_type() function will always terminate. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD], [ + AC_MSG_CHECKING([whether super_block has s_instances list_head]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct super_block sb __attribute__ ((unused)); + + INIT_LIST_HEAD(&sb.s_instances); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_S_INSTANCES_LIST_HEAD, 1, + [struct super_block has s_instances list_head]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_NR_CACHED_OBJECTS], [ + AC_MSG_CHECKING([whether sops->nr_cached_objects() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int nr_cached_objects(struct super_block *sb) { return 0; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .nr_cached_objects = nr_cached_objects, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_NR_CACHED_OBJECTS, 1, + [sops->nr_cached_objects() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_FREE_CACHED_OBJECTS], [ + AC_MSG_CHECKING([whether sops->free_cached_objects() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + + void free_cached_objects(struct super_block *sb, int x) + { return; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .free_cached_objects = free_cached_objects, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_FREE_CACHED_OBJECTS, 1, + [sops->free_cached_objects() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 3.12 API change +dnl # The nid member was added to struct shrink_control to support +dnl # NUMA-aware shrinkers. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID], [ + AC_MSG_CHECKING([whether shrink_control has nid]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + struct shrink_control sc __attribute__ ((unused)); + unsigned long scnidsize __attribute__ ((unused)) = + sizeof(sc.nid); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(SHRINK_CONTROL_HAS_NID, 1, + [struct shrink_control has nid]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-submit_bio.m4 b/zfs/config/kernel-submit_bio.m4 new file mode 100644 index 000000000000..da5f85ca72cb --- /dev/null +++ b/zfs/config/kernel-submit_bio.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # 4.8 API change +dnl # The rw argument has been removed from submit_bio/submit_bio_wait. +dnl # Callers are now expected to set bio->bi_rw instead of passing it in. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SUBMIT_BIO], [ + AC_MSG_CHECKING([whether submit_bio() wants 1 arg]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + blk_qc_t blk_qc; + struct bio *bio = NULL; + blk_qc = submit_bio(bio); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_1ARG_SUBMIT_BIO, 1, [submit_bio() wants 1 arg]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-truncate-range.m4 b/zfs/config/kernel-truncate-range.m4 new file mode 100644 index 000000000000..da2cb50fcbcc --- /dev/null +++ b/zfs/config/kernel-truncate-range.m4 @@ -0,0 +1,24 @@ +dnl # +dnl # 3.5.0 API change +dnl # torvalds/linux@17cf28afea2a1112f240a3a2da8af883be024811 removed +dnl # truncate_range(). The file hole punching functionality is now +dnl # provided by fallocate() +dnl # +AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_RANGE], [ + AC_MSG_CHECKING([whether iops->truncate_range() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + void truncate_range(struct inode *inode, loff_t start, + loff_t end) { return; } + static struct inode_operations iops __attribute__ ((unused)) = { + .truncate_range = truncate_range, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_INODE_TRUNCATE_RANGE, 1, + [iops->truncate_range() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-truncate-setsize.m4 b/zfs/config/kernel-truncate-setsize.m4 new file mode 100644 index 000000000000..7e4aff479a90 --- /dev/null +++ b/zfs/config/kernel-truncate-setsize.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.35 API change +dnl # Added truncate_setsize() helper function. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_SETSIZE], + [AC_MSG_CHECKING([whether truncate_setsize() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include + ], [ + truncate_setsize(NULL, 0); + ], [truncate_setsize], [mm/truncate.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_TRUNCATE_SETSIZE, 1, + [truncate_setsize() is available]) + ], [ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-vfs-iterate.m4 b/zfs/config/kernel-vfs-iterate.m4 new file mode 100644 index 000000000000..7b1599e13269 --- /dev/null +++ b/zfs/config/kernel-vfs-iterate.m4 @@ -0,0 +1,64 @@ +AC_DEFUN([ZFS_AC_KERNEL_VFS_ITERATE], [ + dnl # + dnl # 4.7 API change + dnl # + AC_MSG_CHECKING([whether fops->iterate_shared() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + int iterate(struct file *filp, struct dir_context * context) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .iterate_shared = iterate, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_VFS_ITERATE_SHARED, 1, + [fops->iterate_shared() is available]) + ],[ + AC_MSG_RESULT(no) + + dnl # + dnl # 3.11 API change + dnl # + AC_MSG_CHECKING([whether fops->iterate() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + int iterate(struct file *filp, struct dir_context * context) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .iterate = iterate, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_VFS_ITERATE, 1, + [fops->iterate() is available]) + ],[ + AC_MSG_RESULT(no) + + AC_MSG_CHECKING([whether fops->readdir() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include + int readdir(struct file *filp, void *entry, filldir_t func) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .readdir = readdir, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_VFS_READDIR, 1, + [fops->readdir() is available]) + ],[ + AC_MSG_ERROR(no; file a bug report with ZFSOnLinux) + ]) + ]) + ]) +]) diff --git a/zfs/config/kernel-vfs-rw-iterate.m4 b/zfs/config/kernel-vfs-rw-iterate.m4 new file mode 100644 index 000000000000..af44beb7bcfc --- /dev/null +++ b/zfs/config/kernel-vfs-rw-iterate.m4 @@ -0,0 +1,48 @@ +dnl # +dnl # Linux 4.1.x API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE], + [AC_MSG_CHECKING([whether fops->read/write_iter() are available]) + ZFS_LINUX_TRY_COMPILE([ + #include + + ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to) + { return 0; } + ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .read_iter = test_read, + .write_iter = test_write, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_VFS_RW_ITERATE, 1, + [fops->read/write_iter() are available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # Linux 4.1.x API +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GENERIC_WRITE_CHECKS], + [AC_MSG_CHECKING([whether generic_write_checks() takes kiocb]) + ZFS_LINUX_TRY_COMPILE([ + #include + + ],[ + struct kiocb *iocb = NULL; + struct iov_iter *iov = NULL; + generic_write_checks(iocb, iov); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GENERIC_WRITE_CHECKS_KIOCB, 1, + [generic_write_checks() takes kiocb]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/zfs/config/kernel-xattr-handler.m4 b/zfs/config/kernel-xattr-handler.m4 new file mode 100644 index 000000000000..4ac08d8e7eeb --- /dev/null +++ b/zfs/config/kernel-xattr-handler.m4 @@ -0,0 +1,415 @@ +dnl # +dnl # 2.6.35 API change, +dnl # The 'struct xattr_handler' was constified in the generic +dnl # super_block structure. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER], [ + AC_MSG_CHECKING([whether super_block uses const struct xattr_handler]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + + const struct xattr_handler xattr_test_handler = { + .prefix = "test", + .get = NULL, + .set = NULL, + }; + + const struct xattr_handler *xattr_handlers[] = { + &xattr_test_handler, + }; + + const struct super_block sb __attribute__ ((unused)) = { + .s_xattr = xattr_handlers, + }; + ],[ + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_CONST_XATTR_HANDLER, 1, + [super_block uses const struct xattr_handler]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) + +dnl # +dnl # 4.5 API change, +dnl # struct xattr_handler added new member "name". +dnl # xattr_handler which matches to whole name rather than prefix should use +dnl # "name" instead of "prefix", e.g. "system.posix_acl_access" +dnl # +AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_NAME], [ + AC_MSG_CHECKING([whether xattr_handler has name]) + ZFS_LINUX_TRY_COMPILE([ + #include + + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .name = XATTR_NAME_POSIX_ACL_ACCESS, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, + [xattr_handler has name]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 4.9 API change, +dnl # iops->{set,get,remove}xattr and generic_{set,get,remove}xattr are +dnl # removed. xattr operations will directly go through sb->s_xattr. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_HAVE_GENERIC_SETXATTR], [ + AC_MSG_CHECKING([whether generic_setxattr() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .setxattr = generic_setxattr + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GENERIC_SETXATTR, 1, + [generic_setxattr() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # Supported xattr handler get() interfaces checked newest to oldest. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [ + dnl # + dnl # 4.7 API change, + dnl # The xattr_handler->get() callback was changed to take both + dnl # dentry and inode. + dnl # + AC_MSG_CHECKING([whether xattr_handler->get() wants both dentry and inode]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int get(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE, 1, + [xattr_handler->get() wants both dentry and inode]) + ],[ + dnl # + dnl # 4.4 API change, + dnl # The xattr_handler->get() callback was changed to take a + dnl # attr_handler, and handler_flags argument was removed and + dnl # should be accessed by handler->flags. + dnl # + AC_MSG_CHECKING([whether xattr_handler->get() wants xattr_handler]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int get(const struct xattr_handler *handler, + struct dentry *dentry, const char *name, + void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_GET_HANDLER, 1, + [xattr_handler->get() wants xattr_handler]) + ],[ + dnl # + dnl # 2.6.33 API change, + dnl # The xattr_handler->get() callback was changed to take + dnl # a dentry instead of an inode, and a handler_flags + dnl # argument was added. + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether xattr_handler->get() wants dentry]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int handler_flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_GET_DENTRY, 1, + [xattr_handler->get() wants dentry]) + ],[ + dnl # + dnl # 2.6.32 API + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING( + [whether xattr_handler->get() wants inode]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int get(struct inode *ip, const char *name, + void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_GET_INODE, 1, + [xattr_handler->get() wants inode]) + ],[ + AC_MSG_ERROR([no; please file a bug report]) + ]) + ]) + ]) + ]) +]) + +dnl # +dnl # Supported xattr handler set() interfaces checked newest to oldest. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [ + dnl # + dnl # 4.7 API change, + dnl # The xattr_handler->set() callback was changed to take both + dnl # dentry and inode. + dnl # + AC_MSG_CHECKING([whether xattr_handler->set() wants both dentry and inode]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int set(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, const void *buffer, + size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_SET_DENTRY_INODE, 1, + [xattr_handler->set() wants both dentry and inode]) + ],[ + dnl # + dnl # 4.4 API change, + dnl # The xattr_handler->set() callback was changed to take a + dnl # xattr_handler, and handler_flags argument was removed and + dnl # should be accessed by handler->flags. + dnl # + AC_MSG_CHECKING([whether xattr_handler->set() wants xattr_handler]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int set(const struct xattr_handler *handler, + struct dentry *dentry, const char *name, + const void *buffer, size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_SET_HANDLER, 1, + [xattr_handler->set() wants xattr_handler]) + ],[ + dnl # + dnl # 2.6.33 API change, + dnl # The xattr_handler->set() callback was changed to take a + dnl # dentry instead of an inode, and a handler_flags + dnl # argument was added. + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING([whether xattr_handler->set() wants dentry]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int set(struct dentry *dentry, const char *name, + const void *buffer, size_t size, int flags, + int handler_flags) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_SET_DENTRY, 1, + [xattr_handler->set() wants dentry]) + ],[ + dnl # + dnl # 2.6.32 API + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING( + [whether xattr_handler->set() wants inode]) + ZFS_LINUX_TRY_COMPILE([ + #include + + int set(struct inode *ip, const char *name, + const void *buffer, size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_SET_INODE, 1, + [xattr_handler->set() wants inode]) + ],[ + AC_MSG_ERROR([no; please file a bug report]) + ]) + ]) + ]) + ]) +]) + +dnl # +dnl # Supported xattr handler list() interfaces checked newest to oldest. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [ + dnl # 4.5 API change, + dnl # The xattr_handler->list() callback was changed to take only a + dnl # dentry and it only needs to return if it's accessable. + AC_MSG_CHECKING([whether xattr_handler->list() wants simple]) + ZFS_LINUX_TRY_COMPILE([ + #include + + bool list(struct dentry *dentry) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_LIST_SIMPLE, 1, + [xattr_handler->list() wants simple]) + ],[ + dnl # + dnl # 4.4 API change, + dnl # The xattr_handler->list() callback was changed to take a + dnl # xattr_handler, and handler_flags argument was removed + dnl # and should be accessed by handler->flags. + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING( + [whether xattr_handler->list() wants xattr_handler]) + ZFS_LINUX_TRY_COMPILE([ + #include + + size_t list(const struct xattr_handler *handler, + struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_LIST_HANDLER, 1, + [xattr_handler->list() wants xattr_handler]) + ],[ + dnl # + dnl # 2.6.33 API change, + dnl # The xattr_handler->list() callback was changed + dnl # to take a dentry instead of an inode, and a + dnl # handler_flags argument was added. + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING( + [whether xattr_handler->list() wants dentry]) + ZFS_LINUX_TRY_COMPILE([ + #include + + size_t list(struct dentry *dentry, + char *list, size_t list_size, + const char *name, size_t name_len, + int handler_flags) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_LIST_DENTRY, 1, + [xattr_handler->list() wants dentry]) + ],[ + dnl # + dnl # 2.6.32 API + dnl # + AC_MSG_RESULT(no) + AC_MSG_CHECKING( + [whether xattr_handler->list() wants inode]) + ZFS_LINUX_TRY_COMPILE([ + #include + + size_t list(struct inode *ip, char *lst, + size_t list_size, const char *name, + size_t name_len) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + ],[ + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_XATTR_LIST_INODE, 1, + [xattr_handler->list() wants inode]) + ],[ + AC_MSG_ERROR( + [no; please file a bug report]) + ]) + ]) + ]) + ]) +]) + +dnl # +dnl # 3.7 API change, +dnl # The posix_acl_{from,to}_xattr functions gained a new +dnl # parameter: user_ns +dnl # +AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS], [ + AC_MSG_CHECKING([whether posix_acl_from_xattr() needs user_ns]) + ZFS_LINUX_TRY_COMPILE([ + #include + #include + #include + ],[ + posix_acl_from_xattr(&init_user_ns, NULL, 0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_ACL_FROM_XATTR_USERNS, 1, + [posix_acl_from_xattr() needs user_ns]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + diff --git a/zfs/config/kernel.m4 b/zfs/config/kernel.m4 new file mode 100644 index 000000000000..5b8abf75160b --- /dev/null +++ b/zfs/config/kernel.m4 @@ -0,0 +1,697 @@ +dnl # +dnl # Default ZFS kernel configuration +dnl # +AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ + ZFS_AC_KERNEL + ZFS_AC_SPL + ZFS_AC_TEST_MODULE + ZFS_AC_KERNEL_CONFIG + ZFS_AC_KERNEL_DECLARE_EVENT_CLASS + ZFS_AC_KERNEL_CURRENT_BIO_TAIL + ZFS_AC_KERNEL_SUBMIT_BIO + ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS + ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID + ZFS_AC_KERNEL_TYPE_FMODE_T + ZFS_AC_KERNEL_KOBJ_NAME_LEN + ZFS_AC_KERNEL_3ARG_BLKDEV_GET + ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH + ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE + ZFS_AC_KERNEL_LOOKUP_BDEV + ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS + ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE + ZFS_AC_KERNEL_BDEV_PHYSICAL_BLOCK_SIZE + ZFS_AC_KERNEL_BIO_BVEC_ITER + ZFS_AC_KERNEL_BIO_FAILFAST_DTD + ZFS_AC_KERNEL_REQ_FAILFAST_MASK + ZFS_AC_KERNEL_REQ_OP_DISCARD + ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE + ZFS_AC_KERNEL_REQ_OP_FLUSH + ZFS_AC_KERNEL_BIO_BI_OPF + ZFS_AC_KERNEL_BIO_END_IO_T_ARGS + ZFS_AC_KERNEL_BIO_RW_BARRIER + ZFS_AC_KERNEL_BIO_RW_DISCARD + ZFS_AC_KERNEL_BLK_QUEUE_FLUSH + ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS + ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS + ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BIO_RW_UNPLUG + ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BLK_PLUG + ZFS_AC_KERNEL_GET_DISK_RO + ZFS_AC_KERNEL_GET_GENDISK + ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS + ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL + ZFS_AC_KERNEL_DISCARD_GRANULARITY + ZFS_AC_KERNEL_CONST_XATTR_HANDLER + ZFS_AC_KERNEL_XATTR_HANDLER_NAME + ZFS_AC_KERNEL_XATTR_HANDLER_GET + ZFS_AC_KERNEL_XATTR_HANDLER_SET + ZFS_AC_KERNEL_XATTR_HANDLER_LIST + ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE + ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS + ZFS_AC_KERNEL_POSIX_ACL_RELEASE + ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE + ZFS_AC_KERNEL_POSIX_ACL_CHMOD + ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T + ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS + ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION + ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA + ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL + ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS + ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL + ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL + ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE + ZFS_AC_KERNEL_SHOW_OPTIONS + ZFS_AC_KERNEL_FILE_INODE + ZFS_AC_KERNEL_FSYNC + ZFS_AC_KERNEL_EVICT_INODE + ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS + ZFS_AC_KERNEL_NR_CACHED_OBJECTS + ZFS_AC_KERNEL_FREE_CACHED_OBJECTS + ZFS_AC_KERNEL_FALLOCATE + ZFS_AC_KERNEL_AIO_FSYNC + ZFS_AC_KERNEL_MKDIR_UMODE_T + ZFS_AC_KERNEL_LOOKUP_NAMEIDATA + ZFS_AC_KERNEL_CREATE_NAMEIDATA + ZFS_AC_KERNEL_GET_LINK + ZFS_AC_KERNEL_PUT_LINK + ZFS_AC_KERNEL_TRUNCATE_RANGE + ZFS_AC_KERNEL_AUTOMOUNT + ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE + ZFS_AC_KERNEL_COMMIT_METADATA + ZFS_AC_KERNEL_CLEAR_INODE + ZFS_AC_KERNEL_SETATTR_PREPARE + ZFS_AC_KERNEL_INSERT_INODE_LOCKED + ZFS_AC_KERNEL_D_MAKE_ROOT + ZFS_AC_KERNEL_D_OBTAIN_ALIAS + ZFS_AC_KERNEL_D_PRUNE_ALIASES + ZFS_AC_KERNEL_D_SET_D_OP + ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA + ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS + ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE + ZFS_AC_KERNEL_TRUNCATE_SETSIZE + ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY + ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY + ZFS_AC_KERNEL_MOUNT_NODEV + ZFS_AC_KERNEL_SHRINK + ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID + ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD + ZFS_AC_KERNEL_S_D_OP + ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER + ZFS_AC_KERNEL_SET_NLINK + ZFS_AC_KERNEL_ELEVATOR_CHANGE + ZFS_AC_KERNEL_5ARG_SGET + ZFS_AC_KERNEL_LSEEK_EXECUTE + ZFS_AC_KERNEL_VFS_ITERATE + ZFS_AC_KERNEL_VFS_RW_ITERATE + ZFS_AC_KERNEL_GENERIC_WRITE_CHECKS + ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS + ZFS_AC_KERNEL_FOLLOW_DOWN_ONE + ZFS_AC_KERNEL_MAKE_REQUEST_FN + ZFS_AC_KERNEL_GENERIC_IO_ACCT + ZFS_AC_KERNEL_RENAME_WANTS_FLAGS + ZFS_AC_KERNEL_HAVE_GENERIC_SETXATTR + + AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ + KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" + ]) + AC_SUBST(KERNELMAKE_PARAMS) + + + dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other + dnl # compiler options are added by the kernel build system. + KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE" + KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_BOOL_COMPARE" + KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL" + KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\"" + + AC_SUBST(KERNELCPPFLAGS) +]) + +dnl # +dnl # Detect name used for Module.symvers file in kernel +dnl # +AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ + modpost=$LINUX/scripts/Makefile.modpost + AC_MSG_CHECKING([kernel file name for module symbols]) + AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [ + AS_IF([grep -q Modules.symvers $modpost], [ + LINUX_SYMBOLS=Modules.symvers + ], [ + LINUX_SYMBOLS=Module.symvers + ]) + + AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ + AC_MSG_ERROR([ + *** Please make sure the kernel devel package for your distribution + *** is installed. If you are building with a custom kernel, make sure the + *** kernel is configured, built, and the '--with-linux=PATH' configure + *** option refers to the location of the kernel source.]) + ]) + ], [ + LINUX_SYMBOLS=NONE + ]) + AC_MSG_RESULT($LINUX_SYMBOLS) + AC_SUBST(LINUX_SYMBOLS) +]) + +dnl # +dnl # Detect the kernel to be built against +dnl # +AC_DEFUN([ZFS_AC_KERNEL], [ + AC_ARG_WITH([linux], + AS_HELP_STRING([--with-linux=PATH], + [Path to kernel source]), + [kernelsrc="$withval"]) + + AC_ARG_WITH(linux-obj, + AS_HELP_STRING([--with-linux-obj=PATH], + [Path to kernel build objects]), + [kernelbuild="$withval"]) + + AC_MSG_CHECKING([kernel source directory]) + AS_IF([test -z "$kernelsrc"], [ + AS_IF([test -e "/lib/modules/$(uname -r)/source"], [ + headersdir="/lib/modules/$(uname -r)/source" + sourcelink=$(readlink -f "$headersdir") + ], [test -e "/lib/modules/$(uname -r)/build"], [ + headersdir="/lib/modules/$(uname -r)/build" + sourcelink=$(readlink -f "$headersdir") + ], [ + sourcelink=$(ls -1d /usr/src/kernels/* \ + /usr/src/linux-* \ + 2>/dev/null | grep -v obj | tail -1) + ]) + + AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [ + kernelsrc=`readlink -f ${sourcelink}` + ], [ + kernelsrc="[Not found]" + ]) + ], [ + AS_IF([test "$kernelsrc" = "NONE"], [ + kernsrcver=NONE + ]) + ]) + + AC_MSG_RESULT([$kernelsrc]) + AS_IF([test ! -d "$kernelsrc"], [ + AC_MSG_ERROR([ + *** Please make sure the kernel devel package for your distribution + *** is installed and then try again. If that fails, you can specify the + *** location of the kernel source with the '--with-linux=PATH' option.]) + ]) + + AC_MSG_CHECKING([kernel build directory]) + AS_IF([test -z "$kernelbuild"], [ + AS_IF([test -e "/lib/modules/$(uname -r)/build"], [ + kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` + ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [ + kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} + ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [ + kernelbuild=${kernelsrc}-obj/${target_cpu}/default + ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [ + kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} + ], [ + kernelbuild=${kernelsrc} + ]) + ]) + AC_MSG_RESULT([$kernelbuild]) + + AC_MSG_CHECKING([kernel source version]) + utsrelease1=$kernelbuild/include/linux/version.h + utsrelease2=$kernelbuild/include/linux/utsrelease.h + utsrelease3=$kernelbuild/include/generated/utsrelease.h + AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [ + utsrelease=linux/version.h + ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [ + utsrelease=linux/utsrelease.h + ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [ + utsrelease=generated/utsrelease.h + ]) + + AS_IF([test "$utsrelease"], [ + kernsrcver=`(echo "#include <$utsrelease>"; + echo "kernsrcver=UTS_RELEASE") | + cpp -I $kernelbuild/include | + grep "^kernsrcver=" | cut -d \" -f 2` + + AS_IF([test -z "$kernsrcver"], [ + AC_MSG_RESULT([Not found]) + AC_MSG_ERROR([*** Cannot determine kernel version.]) + ]) + ], [ + AC_MSG_RESULT([Not found]) + if test "x$enable_linux_builtin" != xyes; then + AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.]) + else + AC_MSG_ERROR([ + *** Cannot find UTS_RELEASE definition. + *** Please run 'make prepare' inside the kernel source tree.]) + fi + ]) + + AC_MSG_RESULT([$kernsrcver]) + + LINUX=${kernelsrc} + LINUX_OBJ=${kernelbuild} + LINUX_VERSION=${kernsrcver} + + AC_SUBST(LINUX) + AC_SUBST(LINUX_OBJ) + AC_SUBST(LINUX_VERSION) + + ZFS_AC_MODULE_SYMVERS +]) + + +dnl # +dnl # Detect the SPL module to be built against +dnl # +AC_DEFUN([ZFS_AC_SPL], [ + AC_ARG_WITH([spl], + AS_HELP_STRING([--with-spl=PATH], + [Path to spl source]), + [splsrc="$withval"]) + + AC_ARG_WITH([spl-obj], + AS_HELP_STRING([--with-spl-obj=PATH], + [Path to spl build objects]), + [splbuild="$withval"]) + + AC_ARG_WITH([spl-timeout], + AS_HELP_STRING([--with-spl-timeout=SECS], + [Wait SECS for SPL header and symver file @<:@default=0@:>@]), + [timeout="$withval"], [timeout=0]) + + dnl # + dnl # The existence of spl.release.in is used to identify a valid + dnl # source directory. In order of preference: + dnl # + splsrc0="/var/lib/dkms/spl/${VERSION}/build" + splsrc1="/usr/local/src/spl-${VERSION}/${LINUX_VERSION}" + splsrc2="/usr/local/src/spl-${VERSION}" + splsrc3="/usr/src/spl-${VERSION}/${LINUX_VERSION}" + splsrc4="/usr/src/spl-${VERSION}" + splsrc5="../spl/" + splsrc6="$LINUX" + + AC_MSG_CHECKING([spl source directory]) + AS_IF([test -z "${splsrc}"], [ + AS_IF([ test -e "${splsrc0}/spl.release.in"], [ + splsrc=${splsrc0} + ], [ test -e "${splsrc1}/spl.release.in"], [ + splsrc=${splsrc1} + ], [ test -e "${splsrc2}/spl.release.in"], [ + splsrc=${splsrc2} + ], [ test -e "${splsrc3}/spl.release.in"], [ + splsrc=$(readlink -f "${splsrc3}") + ], [ test -e "${splsrc4}/spl.release.in" ], [ + splsrc=${splsrc4} + ], [ test -e "${splsrc5}/spl.release.in"], [ + splsrc=$(readlink -f "${splsrc5}") + ], [ test -e "${splsrc6}/spl.release.in" ], [ + splsrc=${splsrc6} + ], [ + splsrc="[Not found]" + ]) + ], [ + AS_IF([test "$splsrc" = "NONE"], [ + splbuild=NONE + splsrcver=NONE + ]) + ]) + + AC_MSG_RESULT([$splsrc]) + AS_IF([ test ! -e "$splsrc/spl.release.in"], [ + AC_MSG_ERROR([ + *** Please make sure the kmod spl devel package for your distribution + *** is installed then try again. If that fails you can specify the + *** location of the spl source with the '--with-spl=PATH' option.]) + ]) + + dnl # + dnl # The existence of the spl_config.h is used to identify a valid + dnl # spl object directory. In many cases the object and source + dnl # directory are the same, however the objects may also reside + dnl # is a subdirectory named after the kernel version. + dnl # + dnl # This file is supposed to be available after DKMS finishes + dnl # building the SPL kernel module for the target kernel. The + dnl # '--with-spl-timeout' option can be passed to pause here, + dnl # waiting for the file to appear from a concurrently building + dnl # SPL package. + dnl # + AC_MSG_CHECKING([spl build directory]) + while true; do + AS_IF([test -z "$splbuild"], [ + AS_IF([ test -e "${splsrc}/${LINUX_VERSION}/spl_config.h" ], [ + splbuild="${splsrc}/${LINUX_VERSION}" + ], [ test -e "${splsrc}/spl_config.h" ], [ + splbuild="${splsrc}" + ], [ find -L "${splsrc}" -name spl_config.h 2> /dev/null | grep -wq spl_config.h ], [ + splbuild=$(find -L "${splsrc}" -name spl_config.h | sed 's,/spl_config.h,,') + ], [ + splbuild="[Not found]" + ]) + ]) + AS_IF([test -e "$splbuild/spl_config.h" -o $timeout -le 0], [ + break; + ], [ + sleep 1 + timeout=$((timeout-1)) + ]) + done + + AC_MSG_RESULT([$splbuild]) + AS_IF([ ! test -e "$splbuild/spl_config.h"], [ + AC_MSG_ERROR([ + *** Please make sure the kmod spl devel package for your + *** distribution is installed then try again. If that fails you + *** can specify the location of the spl objects with the + *** '--with-spl-obj=PATH' option.]) + ]) + + AC_MSG_CHECKING([spl source version]) + AS_IF([test -r $splbuild/spl_config.h && + fgrep -q SPL_META_VERSION $splbuild/spl_config.h], [ + + splsrcver=`(echo "#include "; + echo "splsrcver=SPL_META_VERSION-SPL_META_RELEASE") | + cpp -I $splbuild | + grep "^splsrcver=" | tr -d \" | cut -d= -f2` + ]) + + AS_IF([test -z "$splsrcver"], [ + AC_MSG_RESULT([Not found]) + AC_MSG_ERROR([ + *** Cannot determine the version of the spl source. + *** Please prepare the spl source before running this script]) + ]) + + AC_MSG_RESULT([$splsrcver]) + + SPL=${splsrc} + SPL_OBJ=${splbuild} + SPL_VERSION=${splsrcver} + + AC_SUBST(SPL) + AC_SUBST(SPL_OBJ) + AC_SUBST(SPL_VERSION) + + dnl # + dnl # Detect the name used for the SPL Module.symvers file. If one + dnl # does not exist this is likely because the SPL has been configured + dnl # but not built. The '--with-spl-timeout' option can be passed + dnl # to pause here, waiting for the file to appear from a concurrently + dnl # building SPL package. If the file does not appear in time, a good + dnl # guess is made as to what this file will be named based on what it + dnl # is named in the kernel build products. This file will first be + dnl # used at link time so if the guess is wrong the build will fail + dnl # then. This unfortunately means the ZFS package does not contain a + dnl # reliable mechanism to detect symbols exported by the SPL at + dnl # configure time. + dnl # + AC_MSG_CHECKING([spl file name for module symbols]) + SPL_SYMBOLS=NONE + + while true; do + AS_IF([test -r $SPL_OBJ/Module.symvers], [ + SPL_SYMBOLS=Module.symvers + ], [test -r $SPL_OBJ/Modules.symvers], [ + SPL_SYMBOLS=Modules.symvers + ], [test -r $SPL_OBJ/module/Module.symvers], [ + SPL_SYMBOLS=Module.symvers + ], [test -r $SPL_OBJ/module/Modules.symvers], [ + SPL_SYMBOLS=Modules.symvers + ]) + + AS_IF([test $SPL_SYMBOLS != NONE -o $timeout -le 0], [ + break; + ], [ + sleep 1 + timeout=$((timeout-1)) + ]) + done + + AS_IF([test "$SPL_SYMBOLS" = NONE], [ + SPL_SYMBOLS=$LINUX_SYMBOLS + ]) + + AC_MSG_RESULT([$SPL_SYMBOLS]) + AC_SUBST(SPL_SYMBOLS) +]) + +dnl # +dnl # Basic toolchain sanity check. +dnl # +AC_DEFUN([ZFS_AC_TEST_MODULE], [ + AC_MSG_CHECKING([whether modules can be built]) + ZFS_LINUX_TRY_COMPILE([],[],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + if test "x$enable_linux_builtin" != xyes; then + AC_MSG_ERROR([*** Unable to build an empty module.]) + else + AC_MSG_ERROR([ + *** Unable to build an empty module. + *** Please run 'make scripts' inside the kernel source tree.]) + fi + ]) +]) + +dnl # +dnl # Certain kernel build options are not supported. These must be +dnl # detected at configure time and cause a build failure. Otherwise +dnl # modules may be successfully built that behave incorrectly. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CONFIG], [ + AS_IF([test "x$cross_compiling" != xyes], [ + AC_RUN_IFELSE([ + AC_LANG_PROGRAM([ + #include "$LINUX/include/linux/license.h" + ], [ + return !license_is_gpl_compatible("$ZFS_META_LICENSE"); + ]) + ], [ + AC_DEFINE([ZFS_IS_GPL_COMPATIBLE], [1], + [Define to 1 if GPL-only symbols can be used]) + ], [ + ]) + ]) + + ZFS_AC_KERNEL_CONFIG_THREAD_SIZE + ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC +]) + +dnl # +dnl # Check configured THREAD_SIZE +dnl # +dnl # The stack size will vary by architecture, but as of Linux 3.15 on x86_64 +dnl # the default thread stack size was increased to 16K from 8K. Therefore, +dnl # on newer kernels and some architectures stack usage optimizations can be +dnl # conditionally applied to improve performance without negatively impacting +dnl # stability. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CONFIG_THREAD_SIZE], [ + AC_MSG_CHECKING([whether kernel was built with 16K or larger stacks]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + #if (THREAD_SIZE < 16384) + #error "THREAD_SIZE is less than 16K" + #endif + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_LARGE_STACKS, 1, [kernel has large stacks]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) + +dnl # +dnl # Check CONFIG_DEBUG_LOCK_ALLOC +dnl # +dnl # This is typically only set for debug kernels because it comes with +dnl # a performance penalty. However, when it is set it maps the non-GPL +dnl # symbol mutex_lock() to the GPL-only mutex_lock_nested() symbol. +dnl # This will cause a failure at link time which we'd rather know about +dnl # at compile time. +dnl # +dnl # Since we plan to pursue making mutex_lock_nested() a non-GPL symbol +dnl # with the upstream community we add a check to detect this case. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC], [ + + ZFS_LINUX_CONFIG([DEBUG_LOCK_ALLOC], [ + AC_MSG_CHECKING([whether mutex_lock() is GPL-only]) + tmp_flags="$EXTRA_KCFLAGS" + ZFS_LINUX_TRY_COMPILE([ + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + ],[ + struct mutex lock; + + mutex_init(&lock); + mutex_lock(&lock); + mutex_unlock(&lock); + ],[ + AC_MSG_RESULT(no) + ],[ + AC_MSG_RESULT(yes) + AC_MSG_ERROR([ + *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is incompatible + *** with the CDDL license and will prevent the module linking stage + *** from succeeding. You must rebuild your kernel without this + *** option enabled.]) + ]) + EXTRA_KCFLAGS="$tmp_flags" + ], []) +]) + +dnl # +dnl # ZFS_LINUX_CONFTEST_H +dnl # +AC_DEFUN([ZFS_LINUX_CONFTEST_H], [ +cat - <<_ACEOF >conftest.h +$1 +_ACEOF +]) + +dnl # +dnl # ZFS_LINUX_CONFTEST_C +dnl # +AC_DEFUN([ZFS_LINUX_CONFTEST_C], [ +cat confdefs.h - <<_ACEOF >conftest.c +$1 +_ACEOF +]) + +dnl # +dnl # ZFS_LANG_PROGRAM(C)([PROLOGUE], [BODY]) +dnl # +m4_define([ZFS_LANG_PROGRAM], [ +$1 +int +main (void) +{ +dnl Do *not* indent the following line: there may be CPP directives. +dnl Don't move the `;' right after for the same reason. +$2 + ; + return 0; +} +]) + +dnl # +dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE +dnl # +AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ + m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1])]) + m4_ifvaln([$6], [ZFS_LINUX_CONFTEST_H([$6])], [ZFS_LINUX_CONFTEST_H([])]) + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + AS_IF( + [AC_TRY_COMMAND(cp conftest.c conftest.h build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])], + [$4], + [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])] + ) + rm -Rf build +]) + +dnl # +dnl # ZFS_LINUX_TRY_COMPILE like AC_TRY_COMPILE +dnl # +AC_DEFUN([ZFS_LINUX_TRY_COMPILE], + [ZFS_LINUX_COMPILE_IFELSE( + [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], + [modules], + [test -s build/conftest.o], + [$3], [$4]) +]) + +dnl # +dnl # ZFS_LINUX_CONFIG +dnl # +AC_DEFUN([ZFS_LINUX_CONFIG], + [AC_MSG_CHECKING([whether kernel was built with CONFIG_$1]) + ZFS_LINUX_TRY_COMPILE([ + #include + ],[ + #ifndef CONFIG_$1 + #error CONFIG_$1 not #defined + #endif + ],[ + AC_MSG_RESULT([yes]) + $2 + ],[ + AC_MSG_RESULT([no]) + $3 + ]) +]) + +dnl # +dnl # ZFS_CHECK_SYMBOL_EXPORT +dnl # check symbol exported or not +dnl # +AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [ + grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in $2; do + grep -q -E "EXPORT_SYMBOL.*($1)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + $4 + else : + $3 + fi + else : + $3 + fi +]) + +dnl # +dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL +dnl # like ZFS_LINUX_TRY_COMPILE, except ZFS_CHECK_SYMBOL_EXPORT +dnl # is called if not compiling for builtin +dnl # +AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [ + ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1]) + if test $rc -ne 0; then : + $6 + else + if test "x$enable_linux_builtin" != xyes; then + ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1]) + fi + if test $rc -ne 0; then : + $6 + else : + $5 + fi + fi +]) + +dnl # +dnl # ZFS_LINUX_TRY_COMPILE_HEADER +dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are +dnl # provided via the fifth parameter +dnl # +AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], + [ZFS_LINUX_COMPILE_IFELSE( + [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], + [modules], + [test -s build/conftest.o], + [$3], [$4], [$5]) +]) diff --git a/zfs/config/libtool.m4 b/zfs/config/libtool.m4 new file mode 100644 index 000000000000..ee80844b619f --- /dev/null +++ b/zfs/config/libtool.m4 @@ -0,0 +1,8387 @@ +# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- +# +# Copyright (C) 1996-2001, 2003-2015 Free Software Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +m4_define([_LT_COPYING], [dnl +# Copyright (C) 2014 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program or library that is built +# using GNU Libtool, you may include this file under the same +# distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +]) + +# serial 58 LT_INIT + + +# LT_PREREQ(VERSION) +# ------------------ +# Complain and exit if this libtool version is less that VERSION. +m4_defun([LT_PREREQ], +[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, + [m4_default([$3], + [m4_fatal([Libtool version $1 or higher is required], + 63)])], + [$2])]) + + +# _LT_CHECK_BUILDDIR +# ------------------ +# Complain if the absolute build directory name contains unusual characters +m4_defun([_LT_CHECK_BUILDDIR], +[case `pwd` in + *\ * | *\ *) + AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; +esac +]) + + +# LT_INIT([OPTIONS]) +# ------------------ +AC_DEFUN([LT_INIT], +[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK +AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +AC_BEFORE([$0], [LT_LANG])dnl +AC_BEFORE([$0], [LT_OUTPUT])dnl +AC_BEFORE([$0], [LTDL_INIT])dnl +m4_require([_LT_CHECK_BUILDDIR])dnl + +dnl Autoconf doesn't catch unexpanded LT_ macros by default: +m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl +m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl +dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 +dnl unless we require an AC_DEFUNed macro: +AC_REQUIRE([LTOPTIONS_VERSION])dnl +AC_REQUIRE([LTSUGAR_VERSION])dnl +AC_REQUIRE([LTVERSION_VERSION])dnl +AC_REQUIRE([LTOBSOLETE_VERSION])dnl +m4_require([_LT_PROG_LTMAIN])dnl + +_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) + +dnl Parse OPTIONS +_LT_SET_OPTIONS([$0], [$1]) + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS=$ltmain + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' +AC_SUBST(LIBTOOL)dnl + +_LT_SETUP + +# Only expand once: +m4_define([LT_INIT]) +])# LT_INIT + +# Old names: +AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) +AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PROG_LIBTOOL], []) +dnl AC_DEFUN([AM_PROG_LIBTOOL], []) + + +# _LT_PREPARE_CC_BASENAME +# ----------------------- +m4_defun([_LT_PREPARE_CC_BASENAME], [ +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in @S|@*""; do + case $cc_temp in + compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; + distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} +])# _LT_PREPARE_CC_BASENAME + + +# _LT_CC_BASENAME(CC) +# ------------------- +# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME, +# but that macro is also expanded into generated libtool script, which +# arranges for $SED and $ECHO to be set by different means. +m4_defun([_LT_CC_BASENAME], +[m4_require([_LT_PREPARE_CC_BASENAME])dnl +AC_REQUIRE([_LT_DECL_SED])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl +func_cc_basename $1 +cc_basename=$func_cc_basename_result +]) + + +# _LT_FILEUTILS_DEFAULTS +# ---------------------- +# It is okay to use these file commands and assume they have been set +# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'. +m4_defun([_LT_FILEUTILS_DEFAULTS], +[: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} +])# _LT_FILEUTILS_DEFAULTS + + +# _LT_SETUP +# --------- +m4_defun([_LT_SETUP], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl + +_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl +dnl +_LT_DECL([], [host_alias], [0], [The host system])dnl +_LT_DECL([], [host], [0])dnl +_LT_DECL([], [host_os], [0])dnl +dnl +_LT_DECL([], [build_alias], [0], [The build system])dnl +_LT_DECL([], [build], [0])dnl +_LT_DECL([], [build_os], [0])dnl +dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +dnl +AC_REQUIRE([AC_PROG_LN_S])dnl +test -z "$LN_S" && LN_S="ln -s" +_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl +dnl +AC_REQUIRE([LT_CMD_MAX_LEN])dnl +_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl +_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl +dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl +m4_require([_LT_CMD_RELOAD])dnl +m4_require([_LT_CHECK_MAGIC_METHOD])dnl +m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl +m4_require([_LT_CMD_OLD_ARCHIVE])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_WITH_SYSROOT])dnl +m4_require([_LT_CMD_TRUNCATE])dnl + +_LT_CONFIG_LIBTOOL_INIT([ +# See if we are running on zsh, and set the options that allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi +]) +if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + +_LT_CHECK_OBJDIR + +m4_require([_LT_TAG_COMPILER])dnl + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a '.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld=$lt_cv_prog_gnu_ld + +old_CC=$CC +old_CFLAGS=$CFLAGS + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +_LT_CC_BASENAME([$compiler]) + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + _LT_PATH_MAGIC + fi + ;; +esac + +# Use C for the default configuration in the libtool script +LT_SUPPORTED_TAG([CC]) +_LT_LANG_C_CONFIG +_LT_LANG_DEFAULT_CONFIG +_LT_CONFIG_COMMANDS +])# _LT_SETUP + + +# _LT_PREPARE_SED_QUOTE_VARS +# -------------------------- +# Define a few sed substitution that help us do robust quoting. +m4_defun([_LT_PREPARE_SED_QUOTE_VARS], +[# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\([["`\\]]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' +]) + +# _LT_PROG_LTMAIN +# --------------- +# Note that this code is called both from 'configure', and 'config.status' +# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, +# 'config.status' has no value for ac_aux_dir unless we are using Automake, +# so we pass a copy along to make sure it has a sensible value anyway. +m4_defun([_LT_PROG_LTMAIN], +[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl +_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) +ltmain=$ac_aux_dir/ltmain.sh +])# _LT_PROG_LTMAIN + + +## ------------------------------------- ## +## Accumulate code for creating libtool. ## +## ------------------------------------- ## + +# So that we can recreate a full libtool script including additional +# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS +# in macros and then make a single call at the end using the 'libtool' +# label. + + +# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) +# ---------------------------------------- +# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL_INIT], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_INIT], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_INIT]) + + +# _LT_CONFIG_LIBTOOL([COMMANDS]) +# ------------------------------ +# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) + + +# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) +# ----------------------------------------------------- +m4_defun([_LT_CONFIG_SAVE_COMMANDS], +[_LT_CONFIG_LIBTOOL([$1]) +_LT_CONFIG_LIBTOOL_INIT([$2]) +]) + + +# _LT_FORMAT_COMMENT([COMMENT]) +# ----------------------------- +# Add leading comment marks to the start of each line, and a trailing +# full-stop to the whole comment if one is not present already. +m4_define([_LT_FORMAT_COMMENT], +[m4_ifval([$1], [ +m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], + [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) +)]) + + + +## ------------------------ ## +## FIXME: Eliminate VARNAME ## +## ------------------------ ## + + +# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) +# ------------------------------------------------------------------- +# CONFIGNAME is the name given to the value in the libtool script. +# VARNAME is the (base) name used in the configure script. +# VALUE may be 0, 1 or 2 for a computed quote escaped value based on +# VARNAME. Any other value will be used directly. +m4_define([_LT_DECL], +[lt_if_append_uniq([lt_decl_varnames], [$2], [, ], + [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], + [m4_ifval([$1], [$1], [$2])]) + lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) + m4_ifval([$4], + [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) + lt_dict_add_subkey([lt_decl_dict], [$2], + [tagged?], [m4_ifval([$5], [yes], [no])])]) +]) + + +# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) +# -------------------------------------------------------- +m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) + + +# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_tag_varnames], +[_lt_decl_filter([tagged?], [yes], $@)]) + + +# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) +# --------------------------------------------------------- +m4_define([_lt_decl_filter], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [m4_fatal([$0: too few arguments: $#: $1])], + [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], + [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], + [lt_dict_filter([lt_decl_dict], $@)])[]dnl +]) + + +# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) +# -------------------------------------------------- +m4_define([lt_decl_quote_varnames], +[_lt_decl_filter([value], [1], $@)]) + + +# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_dquote_varnames], +[_lt_decl_filter([value], [2], $@)]) + + +# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_varnames_tagged], +[m4_assert([$# <= 2])dnl +_$0(m4_quote(m4_default([$1], [[, ]])), + m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), + m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) +m4_define([_lt_decl_varnames_tagged], +[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) + + +# lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_all_varnames], +[_$0(m4_quote(m4_default([$1], [[, ]])), + m4_if([$2], [], + m4_quote(lt_decl_varnames), + m4_quote(m4_shift($@))))[]dnl +]) +m4_define([_lt_decl_all_varnames], +[lt_join($@, lt_decl_varnames_tagged([$1], + lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl +]) + + +# _LT_CONFIG_STATUS_DECLARE([VARNAME]) +# ------------------------------------ +# Quote a variable value, and forward it to 'config.status' so that its +# declaration there will have the same value as in 'configure'. VARNAME +# must have a single quote delimited value for this to work. +m4_define([_LT_CONFIG_STATUS_DECLARE], +[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) + + +# _LT_CONFIG_STATUS_DECLARATIONS +# ------------------------------ +# We delimit libtool config variables with single quotes, so when +# we write them to config.status, we have to be sure to quote all +# embedded single quotes properly. In configure, this macro expands +# each variable declared with _LT_DECL (and _LT_TAGDECL) into: +# +# ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' +m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], +[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), + [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAGS +# ---------------- +# Output comment and list of tags supported by the script +m4_defun([_LT_LIBTOOL_TAGS], +[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl +available_tags='_LT_TAGS'dnl +]) + + +# _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) +# ----------------------------------- +# Extract the dictionary values for VARNAME (optionally with TAG) and +# expand to a commented shell variable setting: +# +# # Some comment about what VAR is for. +# visible_name=$lt_internal_name +m4_define([_LT_LIBTOOL_DECLARE], +[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], + [description])))[]dnl +m4_pushdef([_libtool_name], + m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl +m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), + [0], [_libtool_name=[$]$1], + [1], [_libtool_name=$lt_[]$1], + [2], [_libtool_name=$lt_[]$1], + [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl +m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl +]) + + +# _LT_LIBTOOL_CONFIG_VARS +# ----------------------- +# Produce commented declarations of non-tagged libtool config variables +# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool' +# script. Tagged libtool config variables (even for the LIBTOOL CONFIG +# section) are produced by _LT_LIBTOOL_TAG_VARS. +m4_defun([_LT_LIBTOOL_CONFIG_VARS], +[m4_foreach([_lt_var], + m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAG_VARS(TAG) +# ------------------------- +m4_define([_LT_LIBTOOL_TAG_VARS], +[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) + + +# _LT_TAGVAR(VARNAME, [TAGNAME]) +# ------------------------------ +m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) + + +# _LT_CONFIG_COMMANDS +# ------------------- +# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of +# variables for single and double quote escaping we saved from calls +# to _LT_DECL, we can put quote escaped variables declarations +# into 'config.status', and then the shell code to quote escape them in +# for loops in 'config.status'. Finally, any additional code accumulated +# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. +m4_defun([_LT_CONFIG_COMMANDS], +[AC_PROVIDE_IFELSE([LT_OUTPUT], + dnl If the libtool generation code has been placed in $CONFIG_LT, + dnl instead of duplicating it all over again into config.status, + dnl then we will have config.status run $CONFIG_LT later, so it + dnl needs to know what name is stored there: + [AC_CONFIG_COMMANDS([libtool], + [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], + dnl If the libtool generation code is destined for config.status, + dnl expand the accumulated commands and init code now: + [AC_CONFIG_COMMANDS([libtool], + [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) +])#_LT_CONFIG_COMMANDS + + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], +[ + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +_LT_CONFIG_STATUS_DECLARATIONS +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$[]1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_quote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_dquote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +_LT_OUTPUT_LIBTOOL_INIT +]) + +# _LT_GENERATED_FILE_INIT(FILE, [COMMENT]) +# ------------------------------------ +# Generate a child script FILE with all initialization necessary to +# reuse the environment learned by the parent script, and make the +# file executable. If COMMENT is supplied, it is inserted after the +# '#!' sequence but before initialization text begins. After this +# macro, additional text can be appended to FILE to form the body of +# the child script. The macro ends with non-zero status if the +# file could not be fully written (such as if the disk is full). +m4_ifdef([AS_INIT_GENERATED], +[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])], +[m4_defun([_LT_GENERATED_FILE_INIT], +[m4_require([AS_PREPARE])]dnl +[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl +[lt_write_fail=0 +cat >$1 <<_ASEOF || lt_write_fail=1 +#! $SHELL +# Generated by $as_me. +$2 +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$1 <<\_ASEOF || lt_write_fail=1 +AS_SHELL_SANITIZE +_AS_PREPARE +exec AS_MESSAGE_FD>&1 +_ASEOF +test 0 = "$lt_write_fail" && chmod +x $1[]dnl +m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT + +# LT_OUTPUT +# --------- +# This macro allows early generation of the libtool script (before +# AC_OUTPUT is called), incase it is used in configure for compilation +# tests. +AC_DEFUN([LT_OUTPUT], +[: ${CONFIG_LT=./config.lt} +AC_MSG_NOTICE([creating $CONFIG_LT]) +_LT_GENERATED_FILE_INIT(["$CONFIG_LT"], +[# Run this file to recreate a libtool stub with the current configuration.]) + +cat >>"$CONFIG_LT" <<\_LTEOF +lt_cl_silent=false +exec AS_MESSAGE_LOG_FD>>config.log +{ + echo + AS_BOX([Running $as_me.]) +} >&AS_MESSAGE_LOG_FD + +lt_cl_help="\ +'$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $[0] [[OPTIONS]] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl +m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) +configured by $[0], generated by m4_PACKAGE_STRING. + +Copyright (C) 2011 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test 0 != $[#] +do + case $[1] in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) AC_MSG_ERROR([unrecognized option: $[1] +Try '$[0] --help' for more information.]) ;; + + *) AC_MSG_ERROR([unrecognized argument: $[1] +Try '$[0] --help' for more information.]) ;; + esac + shift +done + +if $lt_cl_silent; then + exec AS_MESSAGE_FD>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF +_LT_OUTPUT_LIBTOOL_COMMANDS_INIT +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AC_MSG_NOTICE([creating $ofile]) +_LT_OUTPUT_LIBTOOL_COMMANDS +AS_EXIT(0) +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +lt_cl_success=: +test yes = "$silent" && + lt_config_lt_args="$lt_config_lt_args --quiet" +exec AS_MESSAGE_LOG_FD>/dev/null +$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false +exec AS_MESSAGE_LOG_FD>>config.log +$lt_cl_success || AS_EXIT(1) +])# LT_OUTPUT + + +# _LT_CONFIG(TAG) +# --------------- +# If TAG is the built-in tag, create an initial libtool script with a +# default configuration from the untagged config vars. Otherwise add code +# to config.status for appending the configuration named by TAG from the +# matching tagged config vars. +m4_defun([_LT_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_CONFIG_SAVE_COMMANDS([ + m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl + m4_if(_LT_TAG, [C], [ + # See if we are running on zsh, and set the options that allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST + fi + + cfgfile=${ofile}T + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL +# Generated automatically by $as_me ($PACKAGE) $VERSION +# NOTE: Changes made to this file will be lost: look at ltmain.sh. + +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit, 1996 + +_LT_COPYING +_LT_LIBTOOL_TAGS + +# Configured defaults for sys_lib_dlsearch_path munging. +: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"} + +# ### BEGIN LIBTOOL CONFIG +_LT_LIBTOOL_CONFIG_VARS +_LT_LIBTOOL_TAG_VARS +# ### END LIBTOOL CONFIG + +_LT_EOF + + cat <<'_LT_EOF' >> "$cfgfile" + +# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE + +_LT_PREPARE_MUNGE_PATH_LIST +_LT_PREPARE_CC_BASENAME + +# ### END FUNCTIONS SHARED WITH CONFIGURE + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + _LT_PROG_LTMAIN + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" +], +[cat <<_LT_EOF >> "$ofile" + +dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded +dnl in a comment (ie after a #). +# ### BEGIN LIBTOOL TAG CONFIG: $1 +_LT_LIBTOOL_TAG_VARS(_LT_TAG) +# ### END LIBTOOL TAG CONFIG: $1 +_LT_EOF +])dnl /m4_if +], +[m4_if([$1], [], [ + PACKAGE='$PACKAGE' + VERSION='$VERSION' + RM='$RM' + ofile='$ofile'], []) +])dnl /_LT_CONFIG_SAVE_COMMANDS +])# _LT_CONFIG + + +# LT_SUPPORTED_TAG(TAG) +# --------------------- +# Trace this macro to discover what tags are supported by the libtool +# --tag option, using: +# autoconf --trace 'LT_SUPPORTED_TAG:$1' +AC_DEFUN([LT_SUPPORTED_TAG], []) + + +# C support is built-in for now +m4_define([_LT_LANG_C_enabled], []) +m4_define([_LT_TAGS], []) + + +# LT_LANG(LANG) +# ------------- +# Enable libtool support for the given language if not already enabled. +AC_DEFUN([LT_LANG], +[AC_BEFORE([$0], [LT_OUTPUT])dnl +m4_case([$1], + [C], [_LT_LANG(C)], + [C++], [_LT_LANG(CXX)], + [Go], [_LT_LANG(GO)], + [Java], [_LT_LANG(GCJ)], + [Fortran 77], [_LT_LANG(F77)], + [Fortran], [_LT_LANG(FC)], + [Windows Resource], [_LT_LANG(RC)], + [m4_ifdef([_LT_LANG_]$1[_CONFIG], + [_LT_LANG($1)], + [m4_fatal([$0: unsupported language: "$1"])])])dnl +])# LT_LANG + + +# _LT_LANG(LANGNAME) +# ------------------ +m4_defun([_LT_LANG], +[m4_ifdef([_LT_LANG_]$1[_enabled], [], + [LT_SUPPORTED_TAG([$1])dnl + m4_append([_LT_TAGS], [$1 ])dnl + m4_define([_LT_LANG_]$1[_enabled], [])dnl + _LT_LANG_$1_CONFIG($1)])dnl +])# _LT_LANG + + +m4_ifndef([AC_PROG_GO], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_GO. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ +m4_defun([AC_PROG_GO], +[AC_LANG_PUSH(Go)dnl +AC_ARG_VAR([GOC], [Go compiler command])dnl +AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl +_AC_ARG_VAR_LDFLAGS()dnl +AC_CHECK_TOOL(GOC, gccgo) +if test -z "$GOC"; then + if test -n "$ac_tool_prefix"; then + AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo]) + fi +fi +if test -z "$GOC"; then + AC_CHECK_PROG(GOC, gccgo, gccgo, false) +fi +])#m4_defun +])#m4_ifndef + + +# _LT_LANG_DEFAULT_CONFIG +# ----------------------- +m4_defun([_LT_LANG_DEFAULT_CONFIG], +[AC_PROVIDE_IFELSE([AC_PROG_CXX], + [LT_LANG(CXX)], + [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])]) + +AC_PROVIDE_IFELSE([AC_PROG_F77], + [LT_LANG(F77)], + [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])]) + +AC_PROVIDE_IFELSE([AC_PROG_FC], + [LT_LANG(FC)], + [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])]) + +dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal +dnl pulling things in needlessly. +AC_PROVIDE_IFELSE([AC_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([LT_PROG_GCJ], + [LT_LANG(GCJ)], + [m4_ifdef([AC_PROG_GCJ], + [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([A][M_PROG_GCJ], + [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([LT_PROG_GCJ], + [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])]) + +AC_PROVIDE_IFELSE([AC_PROG_GO], + [LT_LANG(GO)], + [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])]) + +AC_PROVIDE_IFELSE([LT_PROG_RC], + [LT_LANG(RC)], + [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])]) +])# _LT_LANG_DEFAULT_CONFIG + +# Obsolete macros: +AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)]) +AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)]) +AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)]) +AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)]) +AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_CXX], []) +dnl AC_DEFUN([AC_LIBTOOL_F77], []) +dnl AC_DEFUN([AC_LIBTOOL_FC], []) +dnl AC_DEFUN([AC_LIBTOOL_GCJ], []) +dnl AC_DEFUN([AC_LIBTOOL_RC], []) + + +# _LT_TAG_COMPILER +# ---------------- +m4_defun([_LT_TAG_COMPILER], +[AC_REQUIRE([AC_PROG_CC])dnl + +_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl +_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl +_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl +_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC +])# _LT_TAG_COMPILER + + +# _LT_COMPILER_BOILERPLATE +# ------------------------ +# Check for compiler boilerplate output or warnings with +# the simple compiler test code. +m4_defun([_LT_COMPILER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* +])# _LT_COMPILER_BOILERPLATE + + +# _LT_LINKER_BOILERPLATE +# ---------------------- +# Check for linker boilerplate output or warnings with +# the simple link test code. +m4_defun([_LT_LINKER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* +])# _LT_LINKER_BOILERPLATE + +# _LT_REQUIRED_DARWIN_CHECKS +# ------------------------- +m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[ + case $host_os in + rhapsody* | darwin*) + AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:]) + AC_CHECK_TOOL([NMEDIT], [nmedit], [:]) + AC_CHECK_TOOL([LIPO], [lipo], [:]) + AC_CHECK_TOOL([OTOOL], [otool], [:]) + AC_CHECK_TOOL([OTOOL64], [otool64], [:]) + _LT_DECL([], [DSYMUTIL], [1], + [Tool to manipulate archived DWARF debug symbol files on Mac OS X]) + _LT_DECL([], [NMEDIT], [1], + [Tool to change global to local symbols on Mac OS X]) + _LT_DECL([], [LIPO], [1], + [Tool to manipulate fat objects and archives on Mac OS X]) + _LT_DECL([], [OTOOL], [1], + [ldd/readelf like tool for Mach-O binaries on Mac OS X]) + _LT_DECL([], [OTOOL64], [1], + [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4]) + + AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod], + [lt_cv_apple_cc_single_mod=no + if test -z "$LT_MULTI_MODULE"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test 0 = "$_lt_result"; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi]) + + AC_CACHE_CHECK([for -exported_symbols_list linker flag], + [lt_cv_ld_exported_symbols_list], + [lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [lt_cv_ld_exported_symbols_list=yes], + [lt_cv_ld_exported_symbols_list=no]) + LDFLAGS=$save_LDFLAGS + ]) + + AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load], + [lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD + echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD + $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD + echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD + $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + ]) + case $host_os in + rhapsody* | darwin1.[[012]]) + _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + 10.[[012]][[,.]]*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test yes = "$lt_cv_apple_cc_single_mod"; then + _lt_dar_single_mod='$single_module' + fi + if test yes = "$lt_cv_ld_exported_symbols_list"; then + _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' + fi + if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac +]) + + +# _LT_DARWIN_LINKER_FEATURES([TAG]) +# --------------------------------- +# Checks for linker and compiler features on darwin +m4_defun([_LT_DARWIN_LINKER_FEATURES], +[ + m4_require([_LT_REQUIRED_DARWIN_CHECKS]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_automatic, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + if test yes = "$lt_cv_ld_force_load"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes], + [FC], [_LT_TAGVAR(compiler_needs_object, $1)=yes]) + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='' + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + m4_if([$1], [CXX], +[ if test yes != "$lt_cv_apple_cc_single_mod"; then + _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil" + fi +],[]) + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi +]) + +# _LT_SYS_MODULE_PATH_AIX([TAGNAME]) +# ---------------------------------- +# Links a minimal program and checks the executable +# for the system default hardcoded library path. In most cases, +# this is /usr/lib:/lib, but when the MPI compilers are used +# the location of the communication and MPI libs are included too. +# If we don't find anything, use the default library path according +# to the aix ld manual. +# Store the results from the different compilers for each TAGNAME. +# Allow to override them for all tags through lt_cv_aix_libpath. +m4_defun([_LT_SYS_MODULE_PATH_AIX], +[m4_require([_LT_DECL_SED])dnl +if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])], + [AC_LINK_IFELSE([AC_LANG_PROGRAM],[ + lt_aix_libpath_sed='[ + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }]' + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi],[]) + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=/usr/lib:/lib + fi + ]) + aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1]) +fi +])# _LT_SYS_MODULE_PATH_AIX + + +# _LT_SHELL_INIT(ARG) +# ------------------- +m4_define([_LT_SHELL_INIT], +[m4_divert_text([M4SH-INIT], [$1 +])])# _LT_SHELL_INIT + + + +# _LT_PROG_ECHO_BACKSLASH +# ----------------------- +# Find how we can fake an echo command that does not interpret backslash. +# In particular, with Autoconf 2.60 or later we add some code to the start +# of the generated configure script that will find a shell with a builtin +# printf (that we can use as an echo command). +m4_defun([_LT_PROG_ECHO_BACKSLASH], +[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +AC_MSG_CHECKING([how to print strings]) +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$[]1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +case $ECHO in + printf*) AC_MSG_RESULT([printf]) ;; + print*) AC_MSG_RESULT([print -r]) ;; + *) AC_MSG_RESULT([cat]) ;; +esac + +m4_ifdef([_AS_DETECT_SUGGESTED], +[_AS_DETECT_SUGGESTED([ + test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test "X`printf %s $ECHO`" = "X$ECHO" \ + || test "X`print -r -- $ECHO`" = "X$ECHO" )])]) + +_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts]) +_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes]) +])# _LT_PROG_ECHO_BACKSLASH + + +# _LT_WITH_SYSROOT +# ---------------- +AC_DEFUN([_LT_WITH_SYSROOT], +[AC_MSG_CHECKING([for sysroot]) +AC_ARG_WITH([sysroot], +[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], + [Search for dependent libraries within DIR (or the compiler's sysroot + if not specified).])], +[], [with_sysroot=no]) + +dnl lt_sysroot will always be passed unquoted. We quote it here +dnl in case the user passed a directory name. +lt_sysroot= +case $with_sysroot in #( + yes) + if test yes = "$GCC"; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + AC_MSG_RESULT([$with_sysroot]) + AC_MSG_ERROR([The sysroot must be an absolute path.]) + ;; +esac + + AC_MSG_RESULT([${lt_sysroot:-no}]) +_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl +[dependent libraries, and where our libraries should be installed.])]) + +# _LT_ENABLE_LOCK +# --------------- +m4_defun([_LT_ENABLE_LOCK], +[AC_ARG_ENABLE([libtool-lock], + [AS_HELP_STRING([--disable-libtool-lock], + [avoid locking (might break parallel builds)])]) +test no = "$enable_libtool_lock" || enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out what ABI is being produced by ac_compile, and set mode + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE=32 + ;; + *ELF-64*) + HPUX_IA64_MODE=64 + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + if test yes = "$lt_cv_prog_gnu_ld"; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +mips64*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + emul=elf + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + emul="${emul}32" + ;; + *64-bit*) + emul="${emul}64" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *MSB*) + emul="${emul}btsmip" + ;; + *LSB*) + emul="${emul}ltsmip" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *N32*) + emul="${emul}n32" + ;; + esac + LD="${LD-ld} -m $emul" + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. Note that the listed cases only cover the + # situations where additional linker options are needed (such as when + # doing 32-bit compilation for a host where ld defaults to 64-bit, or + # vice versa); the common cases where no linker options are needed do + # not appear in the list. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*linux*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*linux*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -belf" + AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, + [AC_LANG_PUSH(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) + AC_LANG_POP]) + if test yes != "$lt_cv_cc_needs_belf"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS=$SAVE_CFLAGS + fi + ;; +*-*solaris*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*|x86_64-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD=${LD-ld}_sol2 + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks=$enable_libtool_lock +])# _LT_ENABLE_LOCK + + +# _LT_PROG_AR +# ----------- +m4_defun([_LT_PROG_AR], +[AC_CHECK_TOOLS(AR, [ar], false) +: ${AR=ar} +: ${AR_FLAGS=cru} +_LT_DECL([], [AR], [1], [The archiver]) +_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive]) + +AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], + [lt_cv_ar_at_file=no + AC_COMPILE_IFELSE([AC_LANG_PROGRAM], + [echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' + AC_TRY_EVAL([lt_ar_try]) + if test 0 -eq "$ac_status"; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + AC_TRY_EVAL([lt_ar_try]) + if test 0 -ne "$ac_status"; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + ]) + ]) + +if test no = "$lt_cv_ar_at_file"; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi +_LT_DECL([], [archiver_list_spec], [1], + [How to feed a file listing to the archiver]) +])# _LT_PROG_AR + + +# _LT_CMD_OLD_ARCHIVE +# ------------------- +m4_defun([_LT_CMD_OLD_ARCHIVE], +[_LT_PROG_AR + +AC_CHECK_TOOL(STRIP, strip, :) +test -z "$STRIP" && STRIP=: +_LT_DECL([], [STRIP], [1], [A symbol stripping program]) + +AC_CHECK_TOOL(RANLIB, ranlib, :) +test -z "$RANLIB" && RANLIB=: +_LT_DECL([], [RANLIB], [1], + [Commands used to install an old-style archive]) + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + bitrig* | openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac +_LT_DECL([], [old_postinstall_cmds], [2]) +_LT_DECL([], [old_postuninstall_cmds], [2]) +_LT_TAGDECL([], [old_archive_cmds], [2], + [Commands used to build an old-style archive]) +_LT_DECL([], [lock_old_archive_extraction], [0], + [Whether to use a lock for old archive extraction]) +])# _LT_CMD_OLD_ARCHIVE + + +# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------------------- +# Check whether the given compiler option works +AC_DEFUN([_LT_COMPILER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + fi + $RM conftest* +]) + +if test yes = "[$]$2"; then + m4_if([$5], , :, [$5]) +else + m4_if([$6], , :, [$6]) +fi +])# _LT_COMPILER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) + + +# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------- +# Check whether the given linker option works +AC_DEFUN([_LT_LINKER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $3" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&AS_MESSAGE_LOG_FD + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + else + $2=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS +]) + +if test yes = "[$]$2"; then + m4_if([$4], , :, [$4]) +else + m4_if([$5], , :, [$5]) +fi +])# _LT_LINKER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) + + +# LT_CMD_MAX_LEN +#--------------- +AC_DEFUN([LT_CMD_MAX_LEN], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring=ABCD + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test X`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test 17 != "$i" # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac +]) +if test -n "$lt_cv_sys_max_cmd_len"; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +max_cmd_len=$lt_cv_sys_max_cmd_len +_LT_DECL([], [max_cmd_len], [0], + [What is the maximum length of a command?]) +])# LT_CMD_MAX_LEN + +# Old name: +AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) + + +# _LT_HEADER_DLFCN +# ---------------- +m4_defun([_LT_HEADER_DLFCN], +[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl +])# _LT_HEADER_DLFCN + + +# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, +# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) +# ---------------------------------------------------------------- +m4_defun([_LT_TRY_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test yes = "$cross_compiling"; then : + [$4] +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +[#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +}] +_LT_EOF + if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) $1 ;; + x$lt_dlneed_uscore) $2 ;; + x$lt_dlunknown|x*) $3 ;; + esac + else : + # compilation failed + $3 + fi +fi +rm -fr conftest* +])# _LT_TRY_DLOPEN_SELF + + +# LT_SYS_DLOPEN_SELF +# ------------------ +AC_DEFUN([LT_SYS_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test yes != "$enable_dlopen"; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen=load_add_on + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen=LoadLibrary + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ + lt_cv_dlopen=dyld + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ]) + ;; + + tpf*) + # Don't try to run any link tests for TPF. We know it's impossible + # because TPF is a cross-compiler, and we know how we open DSOs. + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + lt_cv_dlopen_self=no + ;; + + *) + AC_CHECK_FUNC([shl_load], + [lt_cv_dlopen=shl_load], + [AC_CHECK_LIB([dld], [shl_load], + [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], + [AC_CHECK_FUNC([dlopen], + [lt_cv_dlopen=dlopen], + [AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], + [AC_CHECK_LIB([svld], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], + [AC_CHECK_LIB([dld], [dld_link], + [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) + ]) + ]) + ]) + ]) + ]) + ;; + esac + + if test no = "$lt_cv_dlopen"; then + enable_dlopen=no + else + enable_dlopen=yes + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS=$CPPFLAGS + test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS=$LDFLAGS + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS=$LIBS + LIBS="$lt_cv_dlopen_libs $LIBS" + + AC_CACHE_CHECK([whether a program can dlopen itself], + lt_cv_dlopen_self, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, + lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) + ]) + + if test yes = "$lt_cv_dlopen_self"; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + AC_CACHE_CHECK([whether a statically linked program can dlopen itself], + lt_cv_dlopen_self_static, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, + lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) + ]) + fi + + CPPFLAGS=$save_CPPFLAGS + LDFLAGS=$save_LDFLAGS + LIBS=$save_LIBS + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi +_LT_DECL([dlopen_support], [enable_dlopen], [0], + [Whether dlopen is supported]) +_LT_DECL([dlopen_self], [enable_dlopen_self], [0], + [Whether dlopen of programs is supported]) +_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], + [Whether dlopen of statically linked programs is supported]) +])# LT_SYS_DLOPEN_SELF + +# Old name: +AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) + + +# _LT_COMPILER_C_O([TAGNAME]) +# --------------------------- +# Check to see if options -c and -o are simultaneously supported by compiler. +# This macro does not hard code the compiler like AC_PROG_CC_C_O. +m4_defun([_LT_COMPILER_C_O], +[m4_require([_LT_DECL_SED])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + fi + fi + chmod u+w . 2>&AS_MESSAGE_LOG_FD + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* +]) +_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], + [Does compiler simultaneously support -c and -o options?]) +])# _LT_COMPILER_C_O + + +# _LT_COMPILER_FILE_LOCKS([TAGNAME]) +# ---------------------------------- +# Check to see if we can do hard links to lock some files if needed +m4_defun([_LT_COMPILER_FILE_LOCKS], +[m4_require([_LT_ENABLE_LOCK])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_COMPILER_C_O([$1]) + +hard_links=nottested +if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then + # do not overwrite the value of need_locks provided by the user + AC_MSG_CHECKING([if we can lock with hard links]) + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + AC_MSG_RESULT([$hard_links]) + if test no = "$hard_links"; then + AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe]) + need_locks=warn + fi +else + need_locks=no +fi +_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) +])# _LT_COMPILER_FILE_LOCKS + + +# _LT_CHECK_OBJDIR +# ---------------- +m4_defun([_LT_CHECK_OBJDIR], +[AC_CACHE_CHECK([for objdir], [lt_cv_objdir], +[rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null]) +objdir=$lt_cv_objdir +_LT_DECL([], [objdir], [0], + [The name of the directory that contains temporary libtool files])dnl +m4_pattern_allow([LT_OBJDIR])dnl +AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/", + [Define to the sub-directory where libtool stores uninstalled libraries.]) +])# _LT_CHECK_OBJDIR + + +# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) +# -------------------------------------- +# Check hardcoding attributes. +m4_defun([_LT_LINKER_HARDCODE_LIBPATH], +[AC_MSG_CHECKING([how to hardcode library paths into programs]) +_LT_TAGVAR(hardcode_action, $1)= +if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || + test -n "$_LT_TAGVAR(runpath_var, $1)" || + test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then + + # We can hardcode non-existent directories. + if test no != "$_LT_TAGVAR(hardcode_direct, $1)" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" && + test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then + # Linking always hardcodes the temporary library directory. + _LT_TAGVAR(hardcode_action, $1)=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + _LT_TAGVAR(hardcode_action, $1)=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + _LT_TAGVAR(hardcode_action, $1)=unsupported +fi +AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) + +if test relink = "$_LT_TAGVAR(hardcode_action, $1)" || + test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi +_LT_TAGDECL([], [hardcode_action], [0], + [How to hardcode a shared library path into an executable]) +])# _LT_LINKER_HARDCODE_LIBPATH + + +# _LT_CMD_STRIPLIB +# ---------------- +m4_defun([_LT_CMD_STRIPLIB], +[m4_require([_LT_DECL_EGREP]) +striplib= +old_striplib= +AC_MSG_CHECKING([whether stripping libraries is possible]) +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP"; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + *) + AC_MSG_RESULT([no]) + ;; + esac +fi +_LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) +_LT_DECL([], [striplib], [1]) +])# _LT_CMD_STRIPLIB + + +# _LT_PREPARE_MUNGE_PATH_LIST +# --------------------------- +# Make sure func_munge_path_list() is defined correctly. +m4_defun([_LT_PREPARE_MUNGE_PATH_LIST], +[[# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x@S|@2 in + x) + ;; + *:) + eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\" + ;; + x:*) + eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\" + ;; + *) + eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\" + ;; + esac +} +]])# _LT_PREPARE_PATH_LIST + + +# _LT_SYS_DYNAMIC_LINKER([TAG]) +# ----------------------------- +# PORTME Fill in your ld.so characteristics +m4_defun([_LT_SYS_DYNAMIC_LINKER], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_OBJDUMP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PREPARE_MUNGE_PATH_LIST])dnl +AC_MSG_CHECKING([dynamic linker characteristics]) +m4_if([$1], + [], [ +if test yes = "$GCC"; then + case $host_os in + darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; + *) lt_awk_arg='/^libraries:/' ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;; + *) lt_sed_strip_eq='s|=/|/|g' ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary... + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + # ...but if some path component already ends with the multilib dir we assume + # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). + case "$lt_multi_os_dir; $lt_search_path_spec " in + "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) + lt_multi_os_dir= + ;; + esac + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" + elif test -n "$lt_multi_os_dir"; then + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS = " "; FS = "/|\n";} { + lt_foo = ""; + lt_count = 0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo = "/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[[lt_foo]]++; } + if (lt_freq[[lt_foo]] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's|/\([[A-Za-z]]:\)|\1|g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi]) +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +AC_ARG_VAR([LT_SYS_LIBRARY_PATH], +[User-defined run-time library search path.]) + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[[4-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[[01]] | aix4.[[01]].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a[(]lib.so.V[)]' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)]" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,yes) # both, prefer svr4 + dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)], lib.a[(]lib.so.V[)]" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # unpreferred sharedlib libNAME.a needs extra handling + postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' + postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,no) # both, prefer aix + dynamic_linker="AIX lib.a[(]lib.so.V[)], lib.so.V[(]$shared_archive_member_spec.o[)]" + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling + postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' + postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' + ;; + esac + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='$libname$shared_ext' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[[45]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[[23]].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[[01]]* | freebsdelf3.[[01]]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \ + freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[[3-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], + [lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ + LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], + [lt_cv_shlibpath_overrides_runpath=yes])]) + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + ]) + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +AC_MSG_RESULT([$dynamic_linker]) +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + +_LT_DECL([], [variables_saved_for_relink], [1], + [Variables whose values should be saved in libtool wrapper scripts and + restored at link time]) +_LT_DECL([], [need_lib_prefix], [0], + [Do we need the "lib" prefix for modules?]) +_LT_DECL([], [need_version], [0], [Do we need a version for libraries?]) +_LT_DECL([], [version_type], [0], [Library versioning type]) +_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable]) +_LT_DECL([], [shlibpath_var], [0],[Shared library path variable]) +_LT_DECL([], [shlibpath_overrides_runpath], [0], + [Is shlibpath searched before the hard-coded library search path?]) +_LT_DECL([], [libname_spec], [1], [Format of library name prefix]) +_LT_DECL([], [library_names_spec], [1], + [[List of archive names. First name is the real one, the rest are links. + The last name is the one that the linker finds with -lNAME]]) +_LT_DECL([], [soname_spec], [1], + [[The coded name of the library, if different from the real name]]) +_LT_DECL([], [install_override_mode], [1], + [Permission mode override for installation of shared libraries]) +_LT_DECL([], [postinstall_cmds], [2], + [Command to use after installation of a shared archive]) +_LT_DECL([], [postuninstall_cmds], [2], + [Command to use after uninstallation of a shared archive]) +_LT_DECL([], [finish_cmds], [2], + [Commands used to finish a libtool library installation in a directory]) +_LT_DECL([], [finish_eval], [1], + [[As "finish_cmds", except a single script fragment to be evaled but + not shown]]) +_LT_DECL([], [hardcode_into_libs], [0], + [Whether we should hardcode library paths into libraries]) +_LT_DECL([], [sys_lib_search_path_spec], [2], + [Compile-time system search path for libraries]) +_LT_DECL([sys_lib_dlsearch_path_spec], [configure_time_dlsearch_path], [2], + [Detected run-time system search path for libraries]) +_LT_DECL([], [configure_time_lt_sys_library_path], [2], + [Explicit LT_SYS_LIBRARY_PATH set during ./configure time]) +])# _LT_SYS_DYNAMIC_LINKER + + +# _LT_PATH_TOOL_PREFIX(TOOL) +# -------------------------- +# find a file program that can recognize shared library +AC_DEFUN([_LT_PATH_TOOL_PREFIX], +[m4_require([_LT_DECL_EGREP])dnl +AC_MSG_CHECKING([for $1]) +AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, +[case $MAGIC_CMD in +[[\\/*] | ?:[\\/]*]) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR +dnl $ac_dummy forces splitting on constant user-supplied paths. +dnl POSIX.2 word splitting is done only on the output of word expansions, +dnl not every word. This closes a longstanding sh security hole. + ac_dummy="m4_if([$2], , $PATH, [$2])" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$1"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"$1" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac]) +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + AC_MSG_RESULT($MAGIC_CMD) +else + AC_MSG_RESULT(no) +fi +_LT_DECL([], [MAGIC_CMD], [0], + [Used to examine libraries when file_magic_cmd begins with "file"])dnl +])# _LT_PATH_TOOL_PREFIX + +# Old name: +AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], []) + + +# _LT_PATH_MAGIC +# -------------- +# find a file program that can recognize a shared library +m4_defun([_LT_PATH_MAGIC], +[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH) +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH) + else + MAGIC_CMD=: + fi +fi +])# _LT_PATH_MAGIC + + +# LT_PATH_LD +# ---------- +# find the pathname to the GNU or non-GNU linker +AC_DEFUN([LT_PATH_LD], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PROG_ECHO_BACKSLASH])dnl + +AC_ARG_WITH([gnu-ld], + [AS_HELP_STRING([--with-gnu-ld], + [assume the C compiler uses GNU ld @<:@default=no@:>@])], + [test no = "$withval" || with_gnu_ld=yes], + [with_gnu_ld=no])dnl + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(lt_cv_path_LD, +[if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &1 conftest.i +cat conftest.i conftest.i >conftest2.i +: ${lt_DD:=$DD} +AC_PATH_PROGS_FEATURE_CHECK([lt_DD], [dd], +[if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: +fi]) +rm -f conftest.i conftest2.i conftest.out]) +])# _LT_PATH_DD + + +# _LT_CMD_TRUNCATE +# ---------------- +# find command to truncate a binary pipe +m4_defun([_LT_CMD_TRUNCATE], +[m4_require([_LT_PATH_DD]) +AC_CACHE_CHECK([how to truncate binary pipes], [lt_cv_truncate_bin], +[printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +lt_cv_truncate_bin= +if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" +fi +rm -f conftest.i conftest2.i conftest.out +test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"]) +_LT_DECL([lt_truncate_bin], [lt_cv_truncate_bin], [1], + [Command to truncate a binary pipe]) +])# _LT_CMD_TRUNCATE + + +# _LT_CHECK_MAGIC_METHOD +# ---------------------- +# how to check for library dependencies +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_MAGIC_METHOD], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +AC_CACHE_CHECK([how to recognize dependent libraries], +lt_cv_deplibs_check_method, +[lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# 'unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# that responds to the $file_magic_cmd with a given extended regex. +# If you have 'file' or equivalent on your system and you're not sure +# whether 'pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[[4-9]]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[[45]]*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + if ( file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'] + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[[3-9]]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd* | bitrig*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +os2*) + lt_cv_deplibs_check_method=pass_all + ;; +esac +]) + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + +_LT_DECL([], [deplibs_check_method], [1], + [Method to check whether dependent libraries are shared objects]) +_LT_DECL([], [file_magic_cmd], [1], + [Command to use when deplibs_check_method = "file_magic"]) +_LT_DECL([], [file_magic_glob], [1], + [How to find potential files when deplibs_check_method = "file_magic"]) +_LT_DECL([], [want_nocaseglob], [1], + [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) +])# _LT_CHECK_MAGIC_METHOD + + +# LT_PATH_NM +# ---------- +# find the pathname to a BSD- or MS-compatible name lister +AC_DEFUN([LT_PATH_NM], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, +[if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM=$NM +else + lt_nm_to_check=${ac_tool_prefix}nm + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/$lt_tmp_nm + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the 'sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty + case $build_os in + mingw*) lt_bad_file=conftest.nm/nofile ;; + *) lt_bad_file=/dev/null ;; + esac + case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in + *$lt_bad_file* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break 2 + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break 2 + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS=$lt_save_ifs + done + : ${lt_cv_path_NM=no} +fi]) +if test no != "$lt_cv_path_NM"; then + NM=$lt_cv_path_NM +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) + case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols -headers" + ;; + *) + DUMPBIN=: + ;; + esac + fi + AC_SUBST([DUMPBIN]) + if test : != "$DUMPBIN"; then + NM=$DUMPBIN + fi +fi +test -z "$NM" && NM=nm +AC_SUBST([NM]) +_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl + +AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], + [lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) + cat conftest.out >&AS_MESSAGE_LOG_FD + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest*]) +])# LT_PATH_NM + +# Old names: +AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) +AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_PROG_NM], []) +dnl AC_DEFUN([AC_PROG_NM], []) + +# _LT_CHECK_SHAREDLIB_FROM_LINKLIB +# -------------------------------- +# how to determine the name of the shared library +# associated with a specific link library. +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +m4_require([_LT_DECL_DLLTOOL]) +AC_CACHE_CHECK([how to associate runtime and link libraries], +lt_cv_sharedlib_from_linklib_cmd, +[lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh; + # decide which one to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd=$ECHO + ;; +esac +]) +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + +_LT_DECL([], [sharedlib_from_linklib_cmd], [1], + [Command to associate shared and link libraries]) +])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB + + +# _LT_PATH_MANIFEST_TOOL +# ---------------------- +# locate the manifest tool +m4_defun([_LT_PATH_MANIFEST_TOOL], +[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], + [lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&AS_MESSAGE_LOG_FD + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest*]) +if test yes != "$lt_cv_path_mainfest_tool"; then + MANIFEST_TOOL=: +fi +_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl +])# _LT_PATH_MANIFEST_TOOL + + +# _LT_DLL_DEF_P([FILE]) +# --------------------- +# True iff FILE is a Windows DLL '.def' file. +# Keep in sync with func_dll_def_p in the libtool script +AC_DEFUN([_LT_DLL_DEF_P], +[dnl + test DEF = "`$SED -n dnl + -e '\''s/^[[ ]]*//'\'' dnl Strip leading whitespace + -e '\''/^\(;.*\)*$/d'\'' dnl Delete empty lines and comments + -e '\''s/^\(EXPORTS\|LIBRARY\)\([[ ]].*\)*$/DEF/p'\'' dnl + -e q dnl Only consider the first "real" line + $1`" dnl +])# _LT_DLL_DEF_P + + +# LT_LIB_M +# -------- +# check for math library +AC_DEFUN([LT_LIB_M], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +LIBM= +case $host in +*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw) + AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") + ;; +*) + AC_CHECK_LIB(m, cos, LIBM=-lm) + ;; +esac +AC_SUBST([LIBM]) +])# LT_LIB_M + +# Old name: +AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_CHECK_LIBM], []) + + +# _LT_COMPILER_NO_RTTI([TAGNAME]) +# ------------------------------- +m4_defun([_LT_COMPILER_NO_RTTI], +[m4_require([_LT_TAG_COMPILER])dnl + +_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + +if test yes = "$GCC"; then + case $cc_basename in + nvcc*) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; + *) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; + esac + + _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], + lt_cv_prog_compiler_rtti_exceptions, + [-fno-rtti -fno-exceptions], [], + [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) +fi +_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], + [Compiler flag to turn off builtin functions]) +])# _LT_COMPILER_NO_RTTI + + +# _LT_CMD_GLOBAL_SYMBOLS +# ---------------------- +m4_defun([_LT_CMD_GLOBAL_SYMBOLS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([LT_PATH_NM])dnl +AC_REQUIRE([LT_PATH_LD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_TAG_COMPILER])dnl + +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output from $compiler object]) +AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], +[ +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[[BCDEGRST]]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[[BCDT]]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[[ABCDGISTW]]' + ;; +hpux*) + if test ia64 = "$host_cpu"; then + symcode='[[ABCDEGRST]]' + fi + ;; +irix* | nonstopux*) + symcode='[[BCDEGRST]]' + ;; +osf*) + symcode='[[BCDEGQRST]]' + ;; +solaris*) + symcode='[[BDRT]]' + ;; +sco3.2v5*) + symcode='[[DT]]' + ;; +sysv4.2uw2*) + symcode='[[DT]]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[[ABDT]]' + ;; +sysv4) + symcode='[[DFNSTU]]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[[ABCDGIRSTW]]' ;; +esac + +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Gets list of data symbols to import. + lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" + # Adjust the below global symbol transforms to fixup imported variables. + lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" + lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" + lt_c_name_lib_hook="\ + -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ + -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" +else + # Disable hooks by default. + lt_cv_sys_global_symbol_to_import= + lt_cdecl_hook= + lt_c_name_hook= + lt_c_name_lib_hook= +fi + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n"\ +$lt_cdecl_hook\ +" -e 's/^T .* \(.*\)$/extern int \1();/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ +$lt_c_name_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" + +# Transform an extracted symbol line into symbol name with lib prefix and +# symbol address. +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ +$lt_c_name_lib_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function, + # D for any global variable and I for any imported variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK ['"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ +" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ +" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ +" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ +" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx]" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT@&t@_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT@&t@_DLSYM_CONST +#else +# define LT@&t@_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT@&t@_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[[]] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS=conftstm.$ac_objext + CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" + if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD + fi + else + echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test yes = "$pipe_works"; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done +]) +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + AC_MSG_RESULT(failed) +else + AC_MSG_RESULT(ok) +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + +_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], + [Take the output of nm and produce a listing of raw symbols and C names]) +_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], + [Transform the output of nm in a proper C declaration]) +_LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], + [Transform the output of nm into a list of symbols to manually relocate]) +_LT_DECL([global_symbol_to_c_name_address], + [lt_cv_sys_global_symbol_to_c_name_address], [1], + [Transform the output of nm in a C name address pair]) +_LT_DECL([global_symbol_to_c_name_address_lib_prefix], + [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], + [Transform the output of nm in a C name address pair when lib prefix is needed]) +_LT_DECL([nm_interface], [lt_cv_nm_interface], [1], + [The name lister interface]) +_LT_DECL([], [nm_file_list_spec], [1], + [Specify filename containing input files for $NM]) +]) # _LT_CMD_GLOBAL_SYMBOLS + + +# _LT_COMPILER_PIC([TAGNAME]) +# --------------------------- +m4_defun([_LT_COMPILER_PIC], +[m4_require([_LT_TAG_COMPILER])dnl +_LT_TAGVAR(lt_prog_compiler_wl, $1)= +_LT_TAGVAR(lt_prog_compiler_pic, $1)= +_LT_TAGVAR(lt_prog_compiler_static, $1)= + +m4_if([$1], [CXX], [ + # C++ specific cases for pic, static, wl, etc. + if test yes = "$GXX"; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + case $host_os in + aix[[4-9]]*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + dgux*) + case $cc_basename in + ec++*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + if test ia64 != "$host_cpu"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + fi + ;; + aCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # KAI C++ Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64, which still supported -KPIC. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd* | netbsdelf*-gnu) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + cxx*) + # Digital/Compaq C++ + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + lcc*) + # Lucid + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +], +[ + if test yes = "$GCC"; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' + if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + case $cc_basename in + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + + hpux9* | hpux10* | hpux11*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC (with -KPIC) is the default. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64, which still supported -KPIC. + ecc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' + _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' + ;; + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + ccc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All Alpha code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='' + ;; + *Sun\ F* | *Sun*Fortran*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + ;; + *Intel*\ [[CF]]*Compiler*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + *Portland\ Group*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All OSF/1 code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + rdos*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + solaris*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; + *) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; + esac + ;; + + sunos4*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + unicos*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + + uts4*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +]) +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" + ;; +esac + +AC_CACHE_CHECK([for $compiler option to produce PIC], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) +_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], + [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], + [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], + [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in + "" | " "*) ;; + *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; + esac], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) +fi +_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], + [Additional compiler flags for building library objects]) + +_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], + [How to pass a linker flag through the compiler]) +# +# Check to make sure the static flag actually works. +# +wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" +_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], + _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), + $lt_tmp_static_flag, + [], + [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) +_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], + [Compiler flag to prevent dynamic linking]) +])# _LT_COMPILER_PIC + + +# _LT_LINKER_SHLIBS([TAGNAME]) +# ---------------------------- +# See if the linker supports building shared libraries. +m4_defun([_LT_LINKER_SHLIBS], +[AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) +m4_if([$1], [CXX], [ + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + case $host_os in + aix[[4-9]]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds + ;; + cygwin* | mingw* | cegcc*) + case $cc_basename in + cl*) + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + ;; + esac + ;; + linux* | k*bsd*-gnu | gnu*) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac +], [ + runpath_var= + _LT_TAGVAR(allow_undefined_flag, $1)= + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(archive_cmds, $1)= + _LT_TAGVAR(archive_expsym_cmds, $1)= + _LT_TAGVAR(compiler_needs_object, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(hardcode_automatic, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_separator, $1)= + _LT_TAGVAR(hardcode_minus_L, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(inherit_rpath, $1)=no + _LT_TAGVAR(link_all_deplibs, $1)=unknown + _LT_TAGVAR(module_cmds, $1)= + _LT_TAGVAR(module_expsym_cmds, $1)= + _LT_TAGVAR(old_archive_from_new_cmds, $1)= + _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= + _LT_TAGVAR(thread_safe_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + _LT_TAGVAR(include_expsyms, $1)= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ' (' and ')$', so one must not match beginning or + # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', + # as well as any symbol that contains 'd'. + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. +dnl Note also adjust exclude_expsyms for C++ above. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test yes != "$GCC"; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd* | bitrig*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu | gnu*) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + esac + + _LT_TAGVAR(ld_shlibs, $1)=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test yes = "$with_gnu_ld"; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;; + *\ \(GNU\ Binutils\)\ [[3-9]]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test yes = "$lt_use_gnu_ld_interface"; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='$wl' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + supports_anon_versioning=no + case `$LD -v | $SED -e 's/([^)]\+)\s\+//' 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[[3-9]]*) + # On AIX/PPC, the GNU linker is very broken + if test ia64 != "$host_cpu"; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test linux-dietlibc = "$host_os"; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test no = "$tmp_diet" + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + _LT_TAGVAR(whole_archive_flag_spec, $1)= + tmp_sharedflag='--shared' ;; + nagfor*) # NAGFOR 5.3 + tmp_sharedflag='-Wl,-shared' ;; + xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + tcc*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic' + ;; + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + sunos4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + + if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then + runpath_var= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + _LT_TAGVAR(hardcode_direct, $1)=unsupported + fi + ;; + + aix[[4-9]]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then + aix_use_runtimelinking=yes + break + fi + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # traditional, no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + ;; + esac + + if test yes = "$GCC"; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + ;; + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag="$shared_flag "'$wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + bsdi[[45]]*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + # FIXME: Should let the user specify the lib program. + _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + esac + ;; + + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + hpux9*) + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + ;; + + hpux10*) + if test yes,no = "$GCC,$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + fi + ;; + + hpux11*) + if test yes,no = "$GCC,$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + m4_if($1, [], [ + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + _LT_LINKER_OPTION([if $CC understands -b], + _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'], + [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags']) + ;; + esac + fi + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol], + [lt_cv_irix_exported_symbol], + [save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" + AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [AC_LANG_CASE([C], [[int foo (void) { return 0; }]], + [C++], [[int foo (void) { return 0; }]], + [Fortran 77], [[ + subroutine foo + end]], + [Fortran], [[ + subroutine foo + end]])])], + [lt_cv_irix_exported_symbol=yes], + [lt_cv_irix_exported_symbol=no]) + LDFLAGS=$save_LDFLAGS]) + if test yes = "$lt_cv_irix_exported_symbol"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' + fi + _LT_TAGVAR(link_all_deplibs, $1)=no + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + linux*) + case $cc_basename in + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + _LT_TAGVAR(ld_shlibs, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + newsos6) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *nto* | *qnx*) + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + fi + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + + osf3*) + if test yes = "$GCC"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test yes = "$GCC"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + solaris*) + _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' + if test yes = "$GCC"; then + wlarc='$wl' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='$wl' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. GCC discards it without '$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test yes = "$GCC"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + fi + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + sunos4*) + if test sequent = "$host_vendor"; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4) + case $host_vendor in + sni) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' + _LT_TAGVAR(hardcode_direct, $1)=no + ;; + motorola) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4.3*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + _LT_TAGVAR(ld_shlibs, $1)=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + if test sni = "$host_vendor"; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' + ;; + esac + fi + fi +]) +AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) +test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no + +_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld + +_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl +_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl +_LT_DECL([], [extract_expsyms_cmds], [2], + [The commands to extract the exported symbol list from a shared archive]) + +# +# Do we need to explicitly link libc? +# +case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in +x|xyes) + # Assume -lc should be added + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + + if test yes,yes = "$GCC,$enable_shared"; then + case $_LT_TAGVAR(archive_cmds, $1) in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_CACHE_CHECK([whether -lc should be explicitly linked in], + [lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1), + [$RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if AC_TRY_EVAL(ac_compile) 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) + pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1) + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1) + _LT_TAGVAR(allow_undefined_flag, $1)= + if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) + then + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no + else + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes + fi + _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + ]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1) + ;; + esac + fi + ;; +esac + +_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0], + [Whether or not to add -lc for building shared libraries]) +_LT_TAGDECL([allow_libtool_libs_with_static_runtimes], + [enable_shared_with_static_runtimes], [0], + [Whether or not to disallow shared libs when runtime libs are static]) +_LT_TAGDECL([], [export_dynamic_flag_spec], [1], + [Compiler flag to allow reflexive dlopens]) +_LT_TAGDECL([], [whole_archive_flag_spec], [1], + [Compiler flag to generate shared objects directly from archives]) +_LT_TAGDECL([], [compiler_needs_object], [1], + [Whether the compiler copes with passing no objects directly]) +_LT_TAGDECL([], [old_archive_from_new_cmds], [2], + [Create an old-style archive from a shared archive]) +_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2], + [Create a temporary old-style archive to link instead of a shared archive]) +_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive]) +_LT_TAGDECL([], [archive_expsym_cmds], [2]) +_LT_TAGDECL([], [module_cmds], [2], + [Commands used to build a loadable module if different from building + a shared archive.]) +_LT_TAGDECL([], [module_expsym_cmds], [2]) +_LT_TAGDECL([], [with_gnu_ld], [1], + [Whether we are building with GNU ld or not]) +_LT_TAGDECL([], [allow_undefined_flag], [1], + [Flag that allows shared libraries with undefined symbols to be built]) +_LT_TAGDECL([], [no_undefined_flag], [1], + [Flag that enforces no undefined symbols]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1], + [Flag to hardcode $libdir into a binary during linking. + This must work even if $libdir does not exist]) +_LT_TAGDECL([], [hardcode_libdir_separator], [1], + [Whether we need a single "-rpath" flag with a separated argument]) +_LT_TAGDECL([], [hardcode_direct], [0], + [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes + DIR into the resulting binary]) +_LT_TAGDECL([], [hardcode_direct_absolute], [0], + [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes + DIR into the resulting binary and the resulting library dependency is + "absolute", i.e impossible to change by setting $shlibpath_var if the + library is relocated]) +_LT_TAGDECL([], [hardcode_minus_L], [0], + [Set to "yes" if using the -LDIR flag during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_shlibpath_var], [0], + [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_automatic], [0], + [Set to "yes" if building a shared library automatically hardcodes DIR + into the library and all subsequent libraries and executables linked + against it]) +_LT_TAGDECL([], [inherit_rpath], [0], + [Set to yes if linker adds runtime paths of dependent libraries + to runtime path list]) +_LT_TAGDECL([], [link_all_deplibs], [0], + [Whether libtool must link a program against all its dependency libraries]) +_LT_TAGDECL([], [always_export_symbols], [0], + [Set to "yes" if exported symbols are required]) +_LT_TAGDECL([], [export_symbols_cmds], [2], + [The commands to list exported symbols]) +_LT_TAGDECL([], [exclude_expsyms], [1], + [Symbols that should not be listed in the preloaded symbols]) +_LT_TAGDECL([], [include_expsyms], [1], + [Symbols that must always be exported]) +_LT_TAGDECL([], [prelink_cmds], [2], + [Commands necessary for linking programs (against libraries) with templates]) +_LT_TAGDECL([], [postlink_cmds], [2], + [Commands necessary for finishing linking programs]) +_LT_TAGDECL([], [file_list_spec], [1], + [Specify filename containing input files]) +dnl FIXME: Not yet implemented +dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1], +dnl [Compiler flag to generate thread safe objects]) +])# _LT_LINKER_SHLIBS + + +# _LT_LANG_C_CONFIG([TAG]) +# ------------------------ +# Ensure that the configuration variables for a C compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_C_CONFIG], +[m4_require([_LT_DECL_EGREP])dnl +lt_save_CC=$CC +AC_LANG_PUSH(C) + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + +_LT_TAG_COMPILER +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + LT_SYS_DLOPEN_SELF + _LT_CMD_STRIPLIB + + # Report what library types will actually be built + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_CONFIG($1) +fi +AC_LANG_POP +CC=$lt_save_CC +])# _LT_LANG_C_CONFIG + + +# _LT_LANG_CXX_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a C++ compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_CXX_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +if test -n "$CXX" && ( test no != "$CXX" && + ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) || + (test g++ != "$CXX"))); then + AC_PROG_CXXCPP +else + _lt_caught_CXX_error=yes +fi + +AC_LANG_PUSH(C++) +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(compiler_needs_object, $1)=no +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_caught_CXX_error"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test yes = "$GXX"; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + else + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + fi + + if test yes = "$GXX"; then + # Set up default GNU C++ configuration + + LT_PATH_LD + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test yes = "$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='$wl' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) + _LT_TAGVAR(ld_shlibs, $1)=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aix[[4-9]]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + ;; + esac + + if test yes = "$GXX"; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag=$shared_flag' $wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + # The "-G" linker flag allows undefined symbols. + _LT_TAGVAR(no_undefined_flag, $1)='-bernotok' + # Determine the default libpath from the value encoded in an empty + # executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared + # libraries. Need -bnortl late, we may have -brtl in LDFLAGS. + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + freebsd2.*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + freebsd-elf*) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + hpux9*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + if test no = "$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test yes = "$GXX"; then + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib' + fi + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + esac + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) + _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' + _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ + $RANLIB $oldlib' + _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 6 and above use weak symbols + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + ;; + cxx*) + # Compaq C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib $wl-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + cxx*) + case $host in + osf3*) + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + ;; + *) + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~ + $RM $lib.exp' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes,no = "$GXX,$with_gnu_ld"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + case $host in + osf3*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(archive_cmds_need_lc,$1)=yes + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test yes,no = "$GXX,$with_gnu_ld"; then + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require '-G' NOT '-shared' on this + # platform. + _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir' + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~ + '"$_LT_TAGVAR(old_archive_cmds, $1)" + _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~ + '"$_LT_TAGVAR(reload_cmds, $1)" + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) + test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no + + _LT_TAGVAR(GCC, $1)=$GXX + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test yes != "$_lt_caught_CXX_error" + +AC_LANG_POP +])# _LT_LANG_CXX_CONFIG + + +# _LT_FUNC_STRIPNAME_CNF +# ---------------------- +# func_stripname_cnf prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# +# This function is identical to the (non-XSI) version of func_stripname, +# except this one can be used by m4 code that may be executed by configure, +# rather than the libtool script. +m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl +AC_REQUIRE([_LT_DECL_SED]) +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH]) +func_stripname_cnf () +{ + case @S|@2 in + .*) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%\\\\@S|@2\$%%"`;; + *) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%@S|@2\$%%"`;; + esac +} # func_stripname_cnf +])# _LT_FUNC_STRIPNAME_CNF + + +# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME]) +# --------------------------------- +# Figure out "hidden" library dependencies from verbose +# compiler output when linking a shared library. +# Parse the compiler output and extract the necessary +# objects, libraries and library flags. +m4_defun([_LT_SYS_HIDDEN_LIBDEPS], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl +# Dependencies to place before and after the object being linked: +_LT_TAGVAR(predep_objects, $1)= +_LT_TAGVAR(postdep_objects, $1)= +_LT_TAGVAR(predeps, $1)= +_LT_TAGVAR(postdeps, $1)= +_LT_TAGVAR(compiler_lib_search_path, $1)= + +dnl we can't use the lt_simple_compile_test_code here, +dnl because it contains code intended for an executable, +dnl not a library. It's possible we should let each +dnl tag define a new lt_????_link_test_code variable, +dnl but it's only used here... +m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF +int a; +void foo (void) { a = 0; } +_LT_EOF +], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF +], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer*4 a + a=0 + return + end +_LT_EOF +], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer a + a=0 + return + end +_LT_EOF +], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF +public class foo { + private int a; + public void bar (void) { + a = 0; + } +}; +_LT_EOF +], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF +package foo +func foo() { +} +_LT_EOF +]) + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +dnl Parse the compiler output and extract the necessary +dnl objects, libraries and library flags. +if AC_TRY_EVAL(ac_compile); then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case $prev$p in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test x-L = "$p" || + test x-R = "$p"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test no = "$pre_test_object_deps_done"; then + case $prev in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then + _LT_TAGVAR(compiler_lib_search_path, $1)=$prev$p + else + _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} $prev$p" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$_LT_TAGVAR(postdeps, $1)"; then + _LT_TAGVAR(postdeps, $1)=$prev$p + else + _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} $prev$p" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test no = "$pre_test_object_deps_done"; then + if test -z "$_LT_TAGVAR(predep_objects, $1)"; then + _LT_TAGVAR(predep_objects, $1)=$p + else + _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p" + fi + else + if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then + _LT_TAGVAR(postdep_objects, $1)=$p + else + _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling $1 test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +m4_if([$1], [CXX], +[case $host_os in +interix[[3-9]]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + _LT_TAGVAR(predep_objects,$1)= + _LT_TAGVAR(postdep_objects,$1)= + _LT_TAGVAR(postdeps,$1)= + ;; +esac +]) + +case " $_LT_TAGVAR(postdeps, $1) " in +*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;; +esac + _LT_TAGVAR(compiler_lib_search_dirs, $1)= +if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then + _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | $SED -e 's! -L! !g' -e 's!^ !!'` +fi +_LT_TAGDECL([], [compiler_lib_search_dirs], [1], + [The directories searched by this compiler when creating a shared library]) +_LT_TAGDECL([], [predep_objects], [1], + [Dependencies to place before and after the objects being linked to + create a shared library]) +_LT_TAGDECL([], [postdep_objects], [1]) +_LT_TAGDECL([], [predeps], [1]) +_LT_TAGDECL([], [postdeps], [1]) +_LT_TAGDECL([], [compiler_lib_search_path], [1], + [The library search path used internally by the compiler when linking + a shared library]) +])# _LT_SYS_HIDDEN_LIBDEPS + + +# _LT_LANG_F77_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a Fortran 77 compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_F77_CONFIG], +[AC_LANG_PUSH(Fortran 77) +if test -z "$F77" || test no = "$F77"; then + _lt_disable_F77=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for f77 test sources. +ac_ext=f + +# Object file extension for compiled f77 test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the F77 compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_disable_F77"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${F77-"f77"} + CFLAGS=$FFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + GCC=$G77 + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)=$G77 + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test yes != "$_lt_disable_F77" + +AC_LANG_POP +])# _LT_LANG_F77_CONFIG + + +# _LT_LANG_FC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for a Fortran compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_FC_CONFIG], +[AC_LANG_PUSH(Fortran) + +if test -z "$FC" || test no = "$FC"; then + _lt_disable_FC=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for fc test sources. +ac_ext=${ac_fc_srcext-f} + +# Object file extension for compiled fc test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the FC compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_disable_FC"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${FC-"f95"} + CFLAGS=$FCFLAGS + compiler=$CC + GCC=$ac_cv_fc_compiler_gnu + + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)=$ac_cv_fc_compiler_gnu + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test yes != "$_lt_disable_FC" + +AC_LANG_POP +])# _LT_LANG_FC_CONFIG + + +# _LT_LANG_GCJ_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Java Compiler compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_GCJ_CONFIG], +[AC_REQUIRE([LT_PROG_GCJ])dnl +AC_LANG_SAVE + +# Source file extension for Java test sources. +ac_ext=java + +# Object file extension for compiled Java test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="class foo {}" + +# Code to be used in simple link tests +lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GCJ-"gcj"} +CFLAGS=$GCJFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)=$LD +_LT_CC_BASENAME([$compiler]) + +# GCJ did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GCJ_CONFIG + + +# _LT_LANG_GO_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Go compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_GO_CONFIG], +[AC_REQUIRE([LT_PROG_GO])dnl +AC_LANG_SAVE + +# Source file extension for Go test sources. +ac_ext=go + +# Object file extension for compiled Go test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="package main; func main() { }" + +# Code to be used in simple link tests +lt_simple_link_test_code='package main; func main() { }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GOC-"gccgo"} +CFLAGS=$GOFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)=$LD +_LT_CC_BASENAME([$compiler]) + +# Go did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GO_CONFIG + + +# _LT_LANG_RC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for the Windows resource compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_RC_CONFIG], +[AC_REQUIRE([LT_PROG_RC])dnl +AC_LANG_SAVE + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code=$lt_simple_compile_test_code + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC= +CC=${RC-"windres"} +CFLAGS= +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_CC_BASENAME([$compiler]) +_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + +if test -n "$compiler"; then + : + _LT_CONFIG($1) +fi + +GCC=$lt_save_GCC +AC_LANG_RESTORE +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_RC_CONFIG + + +# LT_PROG_GCJ +# ----------- +AC_DEFUN([LT_PROG_GCJ], +[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ], + [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ], + [AC_CHECK_TOOL(GCJ, gcj,) + test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2" + AC_SUBST(GCJFLAGS)])])[]dnl +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_GCJ], []) + + +# LT_PROG_GO +# ---------- +AC_DEFUN([LT_PROG_GO], +[AC_CHECK_TOOL(GOC, gccgo,) +]) + + +# LT_PROG_RC +# ---------- +AC_DEFUN([LT_PROG_RC], +[AC_CHECK_TOOL(RC, windres,) +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_RC], []) + + +# _LT_DECL_EGREP +# -------------- +# If we don't have a new enough Autoconf to choose the best grep +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_EGREP], +[AC_REQUIRE([AC_PROG_EGREP])dnl +AC_REQUIRE([AC_PROG_FGREP])dnl +test -z "$GREP" && GREP=grep +_LT_DECL([], [GREP], [1], [A grep program that handles long lines]) +_LT_DECL([], [EGREP], [1], [An ERE matcher]) +_LT_DECL([], [FGREP], [1], [A literal string matcher]) +dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too +AC_SUBST([GREP]) +]) + + +# _LT_DECL_OBJDUMP +# -------------- +# If we don't have a new enough Autoconf to choose the best objdump +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_OBJDUMP], +[AC_CHECK_TOOL(OBJDUMP, objdump, false) +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper]) +AC_SUBST([OBJDUMP]) +]) + +# _LT_DECL_DLLTOOL +# ---------------- +# Ensure DLLTOOL variable is set. +m4_defun([_LT_DECL_DLLTOOL], +[AC_CHECK_TOOL(DLLTOOL, dlltool, false) +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program]) +AC_SUBST([DLLTOOL]) +]) + +# _LT_DECL_SED +# ------------ +# Check for a fully-functional sed program, that truncates +# as few characters as possible. Prefer GNU sed if found. +m4_defun([_LT_DECL_SED], +[AC_PROG_SED +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" +_LT_DECL([], [SED], [1], [A sed program that does not truncate output]) +_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"], + [Sed that helps us avoid accidentally triggering echo(1) options like -n]) +])# _LT_DECL_SED + +m4_ifndef([AC_PROG_SED], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_SED. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ + +m4_defun([AC_PROG_SED], +[AC_MSG_CHECKING([for a sed that does not truncate output]) +AC_CACHE_VAL(lt_cv_path_SED, +[# Loop through the user's path and test for sed and gsed. +# Then use that list of sed's as ones to test for truncation. +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for lt_ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then + lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" + fi + done + done +done +IFS=$as_save_IFS +lt_ac_max=0 +lt_ac_count=0 +# Add /usr/xpg4/bin/sed as it is typically found on Solaris +# along with /bin/sed that truncates output. +for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do + test ! -f "$lt_ac_sed" && continue + cat /dev/null > conftest.in + lt_ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >conftest.in + # Check for GNU sed and select it if it is found. + if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then + lt_cv_path_SED=$lt_ac_sed + break + fi + while true; do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >>conftest.nl + $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break + cmp -s conftest.out conftest.nl || break + # 10000 chars as input seems more than enough + test 10 -lt "$lt_ac_count" && break + lt_ac_count=`expr $lt_ac_count + 1` + if test "$lt_ac_count" -gt "$lt_ac_max"; then + lt_ac_max=$lt_ac_count + lt_cv_path_SED=$lt_ac_sed + fi + done +done +]) +SED=$lt_cv_path_SED +AC_SUBST([SED]) +AC_MSG_RESULT([$SED]) +])#AC_PROG_SED +])#m4_ifndef + +# Old name: +AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_SED], []) + + +# _LT_CHECK_SHELL_FEATURES +# ------------------------ +# Find out whether the shell is Bourne or XSI compatible, +# or has some other useful features. +m4_defun([_LT_CHECK_SHELL_FEATURES], +[if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi +_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac +_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl +_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl +])# _LT_CHECK_SHELL_FEATURES + + +# _LT_PATH_CONVERSION_FUNCTIONS +# ----------------------------- +# Determine what file name conversion functions should be used by +# func_to_host_file (and, implicitly, by func_to_host_path). These are needed +# for certain cross-compile configurations and native mingw. +m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_MSG_CHECKING([how to convert $build file names to $host format]) +AC_CACHE_VAL(lt_cv_to_host_file_cmd, +[case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac +]) +to_host_file_cmd=$lt_cv_to_host_file_cmd +AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) +_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], + [0], [convert $build file names to $host format])dnl + +AC_MSG_CHECKING([how to convert $build file names to toolchain format]) +AC_CACHE_VAL(lt_cv_to_tool_file_cmd, +[#assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac +]) +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) +_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], + [0], [convert $build files to toolchain format])dnl +])# _LT_PATH_CONVERSION_FUNCTIONS diff --git a/zfs/config/ltmain.sh b/zfs/config/ltmain.sh new file mode 100644 index 000000000000..a736cf994256 --- /dev/null +++ b/zfs/config/ltmain.sh @@ -0,0 +1,11156 @@ +#! /bin/sh +## DO NOT EDIT - This file generated from ./build-aux/ltmain.in +## by inline-source v2014-01-03.01 + +# libtool (GNU libtool) 2.4.6 +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit , 1996 + +# Copyright (C) 1996-2015 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +PROGRAM=libtool +PACKAGE=libtool +VERSION="2.4.6 Debian-2.4.6-2" +package_revision=2.4.6 + + +## ------ ## +## Usage. ## +## ------ ## + +# Run './libtool --help' for help with using this script from the +# command line. + + +## ------------------------------- ## +## User overridable command paths. ## +## ------------------------------- ## + +# After configure completes, it has a better idea of some of the +# shell tools we need than the defaults used by the functions shared +# with bootstrap, so set those here where they can still be over- +# ridden by the user, but otherwise take precedence. + +: ${AUTOCONF="autoconf"} +: ${AUTOMAKE="automake"} + + +## -------------------------- ## +## Source external libraries. ## +## -------------------------- ## + +# Much of our low-level functionality needs to be sourced from external +# libraries, which are installed to $pkgauxdir. + +# Set a version string for this script. +scriptversion=2015-01-20.17; # UTC + +# General shell script boiler plate, and helper functions. +# Written by Gary V. Vaughan, 2004 + +# Copyright (C) 2004-2015 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. + +# As a special exception to the GNU General Public License, if you distribute +# this file as part of a program or library that is built using GNU Libtool, +# you may include this file under the same distribution terms that you use +# for the rest of that program. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNES FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# Please report bugs or propose patches to gary@gnu.org. + + +## ------ ## +## Usage. ## +## ------ ## + +# Evaluate this file near the top of your script to gain access to +# the functions and variables defined here: +# +# . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh +# +# If you need to override any of the default environment variable +# settings, do that before evaluating this file. + + +## -------------------- ## +## Shell normalisation. ## +## -------------------- ## + +# Some shells need a little help to be as Bourne compatible as possible. +# Before doing anything else, make sure all that help has been provided! + +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac +fi + +# NLS nuisances: We save the old values in case they are required later. +_G_user_locale= +_G_safe_locale= +for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES +do + eval "if test set = \"\${$_G_var+set}\"; then + save_$_G_var=\$$_G_var + $_G_var=C + export $_G_var + _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" + _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" + fi" +done + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Make sure IFS has a sensible default +sp=' ' +nl=' +' +IFS="$sp $nl" + +# There are apparently some retarded systems that use ';' as a PATH separator! +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + + +## ------------------------- ## +## Locate command utilities. ## +## ------------------------- ## + + +# func_executable_p FILE +# ---------------------- +# Check that FILE is an executable regular file. +func_executable_p () +{ + test -f "$1" && test -x "$1" +} + + +# func_path_progs PROGS_LIST CHECK_FUNC [PATH] +# -------------------------------------------- +# Search for either a program that responds to --version with output +# containing "GNU", or else returned by CHECK_FUNC otherwise, by +# trying all the directories in PATH with each of the elements of +# PROGS_LIST. +# +# CHECK_FUNC should accept the path to a candidate program, and +# set $func_check_prog_result if it truncates its output less than +# $_G_path_prog_max characters. +func_path_progs () +{ + _G_progs_list=$1 + _G_check_func=$2 + _G_PATH=${3-"$PATH"} + + _G_path_prog_max=0 + _G_path_prog_found=false + _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} + for _G_dir in $_G_PATH; do + IFS=$_G_save_IFS + test -z "$_G_dir" && _G_dir=. + for _G_prog_name in $_G_progs_list; do + for _exeext in '' .EXE; do + _G_path_prog=$_G_dir/$_G_prog_name$_exeext + func_executable_p "$_G_path_prog" || continue + case `"$_G_path_prog" --version 2>&1` in + *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; + *) $_G_check_func $_G_path_prog + func_path_progs_result=$func_check_prog_result + ;; + esac + $_G_path_prog_found && break 3 + done + done + done + IFS=$_G_save_IFS + test -z "$func_path_progs_result" && { + echo "no acceptable sed could be found in \$PATH" >&2 + exit 1 + } +} + + +# We want to be able to use the functions in this file before configure +# has figured out where the best binaries are kept, which means we have +# to search for them ourselves - except when the results are already set +# where we skip the searches. + +# Unless the user overrides by setting SED, search the path for either GNU +# sed, or the sed that truncates its output the least. +test -z "$SED" && { + _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for _G_i in 1 2 3 4 5 6 7; do + _G_sed_script=$_G_sed_script$nl$_G_sed_script + done + echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed + _G_sed_script= + + func_check_prog_sed () + { + _G_path_prog=$1 + + _G_count=0 + printf 0123456789 >conftest.in + while : + do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo '' >> conftest.nl + "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break + diff conftest.out conftest.nl >/dev/null 2>&1 || break + _G_count=`expr $_G_count + 1` + if test "$_G_count" -gt "$_G_path_prog_max"; then + # Best one so far, save it but keep looking for a better one + func_check_prog_result=$_G_path_prog + _G_path_prog_max=$_G_count + fi + # 10*(2^10) chars as input seems more than enough + test 10 -lt "$_G_count" && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out + } + + func_path_progs "sed gsed" func_check_prog_sed $PATH:/usr/xpg4/bin + rm -f conftest.sed + SED=$func_path_progs_result +} + + +# Unless the user overrides by setting GREP, search the path for either GNU +# grep, or the grep that truncates its output the least. +test -z "$GREP" && { + func_check_prog_grep () + { + _G_path_prog=$1 + + _G_count=0 + _G_path_prog_max=0 + printf 0123456789 >conftest.in + while : + do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo 'GREP' >> conftest.nl + "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break + diff conftest.out conftest.nl >/dev/null 2>&1 || break + _G_count=`expr $_G_count + 1` + if test "$_G_count" -gt "$_G_path_prog_max"; then + # Best one so far, save it but keep looking for a better one + func_check_prog_result=$_G_path_prog + _G_path_prog_max=$_G_count + fi + # 10*(2^10) chars as input seems more than enough + test 10 -lt "$_G_count" && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out + } + + func_path_progs "grep ggrep" func_check_prog_grep $PATH:/usr/xpg4/bin + GREP=$func_path_progs_result +} + + +## ------------------------------- ## +## User overridable command paths. ## +## ------------------------------- ## + +# All uppercase variable names are used for environment variables. These +# variables can be overridden by the user before calling a script that +# uses them if a suitable command of that name is not already available +# in the command search PATH. + +: ${CP="cp -f"} +: ${ECHO="printf %s\n"} +: ${EGREP="$GREP -E"} +: ${FGREP="$GREP -F"} +: ${LN_S="ln -s"} +: ${MAKE="make"} +: ${MKDIR="mkdir"} +: ${MV="mv -f"} +: ${RM="rm -f"} +: ${SHELL="${CONFIG_SHELL-/bin/sh}"} + + +## -------------------- ## +## Useful sed snippets. ## +## -------------------- ## + +sed_dirname='s|/[^/]*$||' +sed_basename='s|^.*/||' + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s|\([`"$\\]\)|\\\1|g' + +# Same as above, but do not quote variable references. +sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution that turns a string into a regex matching for the +# string literally. +sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' + +# Sed substitution that converts a w32 file name or path +# that contains forward slashes, into one that contains +# (escaped) backslashes. A very naive implementation. +sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + +# Re-'\' parameter expansions in output of sed_double_quote_subst that +# were '\'-ed in input to the same. If an odd number of '\' preceded a +# '$' in input to sed_double_quote_subst, that '$' was protected from +# expansion. Since each input '\' is now two '\'s, look for any number +# of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. +_G_bs='\\' +_G_bs2='\\\\' +_G_bs4='\\\\\\\\' +_G_dollar='\$' +sed_double_backslash="\ + s/$_G_bs4/&\\ +/g + s/^$_G_bs2$_G_dollar/$_G_bs&/ + s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g + s/\n//g" + + +## ----------------- ## +## Global variables. ## +## ----------------- ## + +# Except for the global variables explicitly listed below, the following +# functions in the '^func_' namespace, and the '^require_' namespace +# variables initialised in the 'Resource management' section, sourcing +# this file will not pollute your global namespace with anything +# else. There's no portable way to scope variables in Bourne shell +# though, so actually running these functions will sometimes place +# results into a variable named after the function, and often use +# temporary variables in the '^_G_' namespace. If you are careful to +# avoid using those namespaces casually in your sourcing script, things +# should continue to work as you expect. And, of course, you can freely +# overwrite any of the functions or variables defined here before +# calling anything to customize them. + +EXIT_SUCCESS=0 +EXIT_FAILURE=1 +EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. +EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. + +# Allow overriding, eg assuming that you follow the convention of +# putting '$debug_cmd' at the start of all your functions, you can get +# bash to show function call trace with: +# +# debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name +debug_cmd=${debug_cmd-":"} +exit_cmd=: + +# By convention, finish your script with: +# +# exit $exit_status +# +# so that you can set exit_status to non-zero if you want to indicate +# something went wrong during execution without actually bailing out at +# the point of failure. +exit_status=$EXIT_SUCCESS + +# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh +# is ksh but when the shell is invoked as "sh" and the current value of +# the _XPG environment variable is not equal to 1 (one), the special +# positional parameter $0, within a function call, is the name of the +# function. +progpath=$0 + +# The name of this program. +progname=`$ECHO "$progpath" |$SED "$sed_basename"` + +# Make sure we have an absolute progpath for reexecution: +case $progpath in + [\\/]*|[A-Za-z]:\\*) ;; + *[\\/]*) + progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` + progdir=`cd "$progdir" && pwd` + progpath=$progdir/$progname + ;; + *) + _G_IFS=$IFS + IFS=${PATH_SEPARATOR-:} + for progdir in $PATH; do + IFS=$_G_IFS + test -x "$progdir/$progname" && break + done + IFS=$_G_IFS + test -n "$progdir" || progdir=`pwd` + progpath=$progdir/$progname + ;; +esac + + +## ----------------- ## +## Standard options. ## +## ----------------- ## + +# The following options affect the operation of the functions defined +# below, and should be set appropriately depending on run-time para- +# meters passed on the command line. + +opt_dry_run=false +opt_quiet=false +opt_verbose=false + +# Categories 'all' and 'none' are always available. Append any others +# you will pass as the first argument to func_warning from your own +# code. +warning_categories= + +# By default, display warnings according to 'opt_warning_types'. Set +# 'warning_func' to ':' to elide all warnings, or func_fatal_error to +# treat the next displayed warning as a fatal error. +warning_func=func_warn_and_continue + +# Set to 'all' to display all warnings, 'none' to suppress all +# warnings, or a space delimited list of some subset of +# 'warning_categories' to display only the listed warnings. +opt_warning_types=all + + +## -------------------- ## +## Resource management. ## +## -------------------- ## + +# This section contains definitions for functions that each ensure a +# particular resource (a file, or a non-empty configuration variable for +# example) is available, and if appropriate to extract default values +# from pertinent package files. Call them using their associated +# 'require_*' variable to ensure that they are executed, at most, once. +# +# It's entirely deliberate that calling these functions can set +# variables that don't obey the namespace limitations obeyed by the rest +# of this file, in order that that they be as useful as possible to +# callers. + + +# require_term_colors +# ------------------- +# Allow display of bold text on terminals that support it. +require_term_colors=func_require_term_colors +func_require_term_colors () +{ + $debug_cmd + + test -t 1 && { + # COLORTERM and USE_ANSI_COLORS environment variables take + # precedence, because most terminfo databases neglect to describe + # whether color sequences are supported. + test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} + + if test 1 = "$USE_ANSI_COLORS"; then + # Standard ANSI escape sequences + tc_reset='' + tc_bold=''; tc_standout='' + tc_red=''; tc_green='' + tc_blue=''; tc_cyan='' + else + # Otherwise trust the terminfo database after all. + test -n "`tput sgr0 2>/dev/null`" && { + tc_reset=`tput sgr0` + test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` + tc_standout=$tc_bold + test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` + test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` + test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` + test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` + test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` + } + fi + } + + require_term_colors=: +} + + +## ----------------- ## +## Function library. ## +## ----------------- ## + +# This section contains a variety of useful functions to call in your +# scripts. Take note of the portable wrappers for features provided by +# some modern shells, which will fall back to slower equivalents on +# less featureful shells. + + +# func_append VAR VALUE +# --------------------- +# Append VALUE onto the existing contents of VAR. + + # We should try to minimise forks, especially on Windows where they are + # unreasonably slow, so skip the feature probes when bash or zsh are + # being used: + if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then + : ${_G_HAVE_ARITH_OP="yes"} + : ${_G_HAVE_XSI_OPS="yes"} + # The += operator was introduced in bash 3.1 + case $BASH_VERSION in + [12].* | 3.0 | 3.0*) ;; + *) + : ${_G_HAVE_PLUSEQ_OP="yes"} + ;; + esac + fi + + # _G_HAVE_PLUSEQ_OP + # Can be empty, in which case the shell is probed, "yes" if += is + # useable or anything else if it does not work. + test -z "$_G_HAVE_PLUSEQ_OP" \ + && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \ + && _G_HAVE_PLUSEQ_OP=yes + +if test yes = "$_G_HAVE_PLUSEQ_OP" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_append () + { + $debug_cmd + + eval "$1+=\$2" + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_append () + { + $debug_cmd + + eval "$1=\$$1\$2" + } +fi + + +# func_append_quoted VAR VALUE +# ---------------------------- +# Quote VALUE and append to the end of shell variable VAR, separated +# by a space. +if test yes = "$_G_HAVE_PLUSEQ_OP"; then + eval 'func_append_quoted () + { + $debug_cmd + + func_quote_for_eval "$2" + eval "$1+=\\ \$func_quote_for_eval_result" + }' +else + func_append_quoted () + { + $debug_cmd + + func_quote_for_eval "$2" + eval "$1=\$$1\\ \$func_quote_for_eval_result" + } +fi + + +# func_append_uniq VAR VALUE +# -------------------------- +# Append unique VALUE onto the existing contents of VAR, assuming +# entries are delimited by the first character of VALUE. For example: +# +# func_append_uniq options " --another-option option-argument" +# +# will only append to $options if " --another-option option-argument " +# is not already present somewhere in $options already (note spaces at +# each end implied by leading space in second argument). +func_append_uniq () +{ + $debug_cmd + + eval _G_current_value='`$ECHO $'$1'`' + _G_delim=`expr "$2" : '\(.\)'` + + case $_G_delim$_G_current_value$_G_delim in + *"$2$_G_delim"*) ;; + *) func_append "$@" ;; + esac +} + + +# func_arith TERM... +# ------------------ +# Set func_arith_result to the result of evaluating TERMs. + test -z "$_G_HAVE_ARITH_OP" \ + && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ + && _G_HAVE_ARITH_OP=yes + +if test yes = "$_G_HAVE_ARITH_OP"; then + eval 'func_arith () + { + $debug_cmd + + func_arith_result=$(( $* )) + }' +else + func_arith () + { + $debug_cmd + + func_arith_result=`expr "$@"` + } +fi + + +# func_basename FILE +# ------------------ +# Set func_basename_result to FILE with everything up to and including +# the last / stripped. +if test yes = "$_G_HAVE_XSI_OPS"; then + # If this shell supports suffix pattern removal, then use it to avoid + # forking. Hide the definitions single quotes in case the shell chokes + # on unsupported syntax... + _b='func_basename_result=${1##*/}' + _d='case $1 in + */*) func_dirname_result=${1%/*}$2 ;; + * ) func_dirname_result=$3 ;; + esac' + +else + # ...otherwise fall back to using sed. + _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' + _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` + if test "X$func_dirname_result" = "X$1"; then + func_dirname_result=$3 + else + func_append func_dirname_result "$2" + fi' +fi + +eval 'func_basename () +{ + $debug_cmd + + '"$_b"' +}' + + +# func_dirname FILE APPEND NONDIR_REPLACEMENT +# ------------------------------------------- +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +eval 'func_dirname () +{ + $debug_cmd + + '"$_d"' +}' + + +# func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT +# -------------------------------------------------------- +# Perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# For efficiency, we do not delegate to the functions above but instead +# duplicate the functionality here. +eval 'func_dirname_and_basename () +{ + $debug_cmd + + '"$_b"' + '"$_d"' +}' + + +# func_echo ARG... +# ---------------- +# Echo program name prefixed message. +func_echo () +{ + $debug_cmd + + _G_message=$* + + func_echo_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_IFS + $ECHO "$progname: $_G_line" + done + IFS=$func_echo_IFS +} + + +# func_echo_all ARG... +# -------------------- +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + + +# func_echo_infix_1 INFIX ARG... +# ------------------------------ +# Echo program name, followed by INFIX on the first line, with any +# additional lines not showing INFIX. +func_echo_infix_1 () +{ + $debug_cmd + + $require_term_colors + + _G_infix=$1; shift + _G_indent=$_G_infix + _G_prefix="$progname: $_G_infix: " + _G_message=$* + + # Strip color escape sequences before counting printable length + for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" + do + test -n "$_G_tc" && { + _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` + _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` + } + done + _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes + + func_echo_infix_1_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_infix_1_IFS + $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 + _G_prefix=$_G_indent + done + IFS=$func_echo_infix_1_IFS +} + + +# func_error ARG... +# ----------------- +# Echo program name prefixed message to standard error. +func_error () +{ + $debug_cmd + + $require_term_colors + + func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 +} + + +# func_fatal_error ARG... +# ----------------------- +# Echo program name prefixed message to standard error, and exit. +func_fatal_error () +{ + $debug_cmd + + func_error "$*" + exit $EXIT_FAILURE +} + + +# func_grep EXPRESSION FILENAME +# ----------------------------- +# Check whether EXPRESSION matches any line of FILENAME, without output. +func_grep () +{ + $debug_cmd + + $GREP "$1" "$2" >/dev/null 2>&1 +} + + +# func_len STRING +# --------------- +# Set func_len_result to the length of STRING. STRING may not +# start with a hyphen. + test -z "$_G_HAVE_XSI_OPS" \ + && (eval 'x=a/b/c; + test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ + && _G_HAVE_XSI_OPS=yes + +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_len () + { + $debug_cmd + + func_len_result=${#1} + }' +else + func_len () + { + $debug_cmd + + func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` + } +fi + + +# func_mkdir_p DIRECTORY-PATH +# --------------------------- +# Make sure the entire path to DIRECTORY-PATH is available. +func_mkdir_p () +{ + $debug_cmd + + _G_directory_path=$1 + _G_dir_list= + + if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then + + # Protect directory names starting with '-' + case $_G_directory_path in + -*) _G_directory_path=./$_G_directory_path ;; + esac + + # While some portion of DIR does not yet exist... + while test ! -d "$_G_directory_path"; do + # ...make a list in topmost first order. Use a colon delimited + # list incase some portion of path contains whitespace. + _G_dir_list=$_G_directory_path:$_G_dir_list + + # If the last portion added has no slash in it, the list is done + case $_G_directory_path in */*) ;; *) break ;; esac + + # ...otherwise throw away the child directory and loop + _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` + done + _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` + + func_mkdir_p_IFS=$IFS; IFS=: + for _G_dir in $_G_dir_list; do + IFS=$func_mkdir_p_IFS + # mkdir can fail with a 'File exist' error if two processes + # try to create one of the directories concurrently. Don't + # stop in that case! + $MKDIR "$_G_dir" 2>/dev/null || : + done + IFS=$func_mkdir_p_IFS + + # Bail out if we (or some other process) failed to create a directory. + test -d "$_G_directory_path" || \ + func_fatal_error "Failed to create '$1'" + fi +} + + +# func_mktempdir [BASENAME] +# ------------------------- +# Make a temporary directory that won't clash with other running +# libtool processes, and avoids race conditions if possible. If +# given, BASENAME is the basename for that directory. +func_mktempdir () +{ + $debug_cmd + + _G_template=${TMPDIR-/tmp}/${1-$progname} + + if test : = "$opt_dry_run"; then + # Return a directory name, but don't create it in dry-run mode + _G_tmpdir=$_G_template-$$ + else + + # If mktemp works, use that first and foremost + _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null` + + if test ! -d "$_G_tmpdir"; then + # Failing that, at least try and use $RANDOM to avoid a race + _G_tmpdir=$_G_template-${RANDOM-0}$$ + + func_mktempdir_umask=`umask` + umask 0077 + $MKDIR "$_G_tmpdir" + umask $func_mktempdir_umask + fi + + # If we're not in dry-run mode, bomb out on failure + test -d "$_G_tmpdir" || \ + func_fatal_error "cannot create temporary directory '$_G_tmpdir'" + fi + + $ECHO "$_G_tmpdir" +} + + +# func_normal_abspath PATH +# ------------------------ +# Remove doubled-up and trailing slashes, "." path components, +# and cancel out any ".." path components in PATH after making +# it an absolute path. +func_normal_abspath () +{ + $debug_cmd + + # These SED scripts presuppose an absolute path with a trailing slash. + _G_pathcar='s|^/\([^/]*\).*$|\1|' + _G_pathcdr='s|^/[^/]*||' + _G_removedotparts=':dotsl + s|/\./|/|g + t dotsl + s|/\.$|/|' + _G_collapseslashes='s|/\{1,\}|/|g' + _G_finalslash='s|/*$|/|' + + # Start from root dir and reassemble the path. + func_normal_abspath_result= + func_normal_abspath_tpath=$1 + func_normal_abspath_altnamespace= + case $func_normal_abspath_tpath in + "") + # Empty path, that just means $cwd. + func_stripname '' '/' "`pwd`" + func_normal_abspath_result=$func_stripname_result + return + ;; + # The next three entries are used to spot a run of precisely + # two leading slashes without using negated character classes; + # we take advantage of case's first-match behaviour. + ///*) + # Unusual form of absolute path, do nothing. + ;; + //*) + # Not necessarily an ordinary path; POSIX reserves leading '//' + # and for example Cygwin uses it to access remote file shares + # over CIFS/SMB, so we conserve a leading double slash if found. + func_normal_abspath_altnamespace=/ + ;; + /*) + # Absolute path, do nothing. + ;; + *) + # Relative path, prepend $cwd. + func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath + ;; + esac + + # Cancel out all the simple stuff to save iterations. We also want + # the path to end with a slash for ease of parsing, so make sure + # there is one (and only one) here. + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` + while :; do + # Processed it all yet? + if test / = "$func_normal_abspath_tpath"; then + # If we ascended to the root using ".." the result may be empty now. + if test -z "$func_normal_abspath_result"; then + func_normal_abspath_result=/ + fi + break + fi + func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_pathcar"` + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_pathcdr"` + # Figure out what to do with it + case $func_normal_abspath_tcomponent in + "") + # Trailing empty path component, ignore it. + ;; + ..) + # Parent dir; strip last assembled component from result. + func_dirname "$func_normal_abspath_result" + func_normal_abspath_result=$func_dirname_result + ;; + *) + # Actual path component, append it. + func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" + ;; + esac + done + # Restore leading double-slash if one was found on entry. + func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result +} + + +# func_notquiet ARG... +# -------------------- +# Echo program name prefixed message only when not in quiet mode. +func_notquiet () +{ + $debug_cmd + + $opt_quiet || func_echo ${1+"$@"} + + # A bug in bash halts the script if the last line of a function + # fails when set -e is in force, so we need another command to + # work around that: + : +} + + +# func_relative_path SRCDIR DSTDIR +# -------------------------------- +# Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. +func_relative_path () +{ + $debug_cmd + + func_relative_path_result= + func_normal_abspath "$1" + func_relative_path_tlibdir=$func_normal_abspath_result + func_normal_abspath "$2" + func_relative_path_tbindir=$func_normal_abspath_result + + # Ascend the tree starting from libdir + while :; do + # check if we have found a prefix of bindir + case $func_relative_path_tbindir in + $func_relative_path_tlibdir) + # found an exact match + func_relative_path_tcancelled= + break + ;; + $func_relative_path_tlibdir*) + # found a matching prefix + func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" + func_relative_path_tcancelled=$func_stripname_result + if test -z "$func_relative_path_result"; then + func_relative_path_result=. + fi + break + ;; + *) + func_dirname $func_relative_path_tlibdir + func_relative_path_tlibdir=$func_dirname_result + if test -z "$func_relative_path_tlibdir"; then + # Have to descend all the way to the root! + func_relative_path_result=../$func_relative_path_result + func_relative_path_tcancelled=$func_relative_path_tbindir + break + fi + func_relative_path_result=../$func_relative_path_result + ;; + esac + done + + # Now calculate path; take care to avoid doubling-up slashes. + func_stripname '' '/' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + func_stripname '/' '/' "$func_relative_path_tcancelled" + if test -n "$func_stripname_result"; then + func_append func_relative_path_result "/$func_stripname_result" + fi + + # Normalisation. If bindir is libdir, return '.' else relative path. + if test -n "$func_relative_path_result"; then + func_stripname './' '' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + fi + + test -n "$func_relative_path_result" || func_relative_path_result=. + + : +} + + +# func_quote_for_eval ARG... +# -------------------------- +# Aesthetically quote ARGs to be evaled later. +# This function returns two values: +# i) func_quote_for_eval_result +# double-quoted, suitable for a subsequent eval +# ii) func_quote_for_eval_unquoted_result +# has all characters that are still active within double +# quotes backslashified. +func_quote_for_eval () +{ + $debug_cmd + + func_quote_for_eval_unquoted_result= + func_quote_for_eval_result= + while test 0 -lt $#; do + case $1 in + *[\\\`\"\$]*) + _G_unquoted_arg=`printf '%s\n' "$1" |$SED "$sed_quote_subst"` ;; + *) + _G_unquoted_arg=$1 ;; + esac + if test -n "$func_quote_for_eval_unquoted_result"; then + func_append func_quote_for_eval_unquoted_result " $_G_unquoted_arg" + else + func_append func_quote_for_eval_unquoted_result "$_G_unquoted_arg" + fi + + case $_G_unquoted_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting, command substitution and variable expansion + # for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + _G_quoted_arg=\"$_G_unquoted_arg\" + ;; + *) + _G_quoted_arg=$_G_unquoted_arg + ;; + esac + + if test -n "$func_quote_for_eval_result"; then + func_append func_quote_for_eval_result " $_G_quoted_arg" + else + func_append func_quote_for_eval_result "$_G_quoted_arg" + fi + shift + done +} + + +# func_quote_for_expand ARG +# ------------------------- +# Aesthetically quote ARG to be evaled later; same as above, +# but do not quote variable references. +func_quote_for_expand () +{ + $debug_cmd + + case $1 in + *[\\\`\"]*) + _G_arg=`$ECHO "$1" | $SED \ + -e "$sed_double_quote_subst" -e "$sed_double_backslash"` ;; + *) + _G_arg=$1 ;; + esac + + case $_G_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting and command substitution for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + _G_arg=\"$_G_arg\" + ;; + esac + + func_quote_for_expand_result=$_G_arg +} + + +# func_stripname PREFIX SUFFIX NAME +# --------------------------------- +# strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_stripname () + { + $debug_cmd + + # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are + # positional parameters, so assign one to ordinary variable first. + func_stripname_result=$3 + func_stripname_result=${func_stripname_result#"$1"} + func_stripname_result=${func_stripname_result%"$2"} + }' +else + func_stripname () + { + $debug_cmd + + case $2 in + .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; + *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; + esac + } +fi + + +# func_show_eval CMD [FAIL_EXP] +# ----------------------------- +# Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. +func_show_eval () +{ + $debug_cmd + + _G_cmd=$1 + _G_fail_exp=${2-':'} + + func_quote_for_expand "$_G_cmd" + eval "func_notquiet $func_quote_for_expand_result" + + $opt_dry_run || { + eval "$_G_cmd" + _G_status=$? + if test 0 -ne "$_G_status"; then + eval "(exit $_G_status); $_G_fail_exp" + fi + } +} + + +# func_show_eval_locale CMD [FAIL_EXP] +# ------------------------------------ +# Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. Use the saved locale for evaluation. +func_show_eval_locale () +{ + $debug_cmd + + _G_cmd=$1 + _G_fail_exp=${2-':'} + + $opt_quiet || { + func_quote_for_expand "$_G_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + $opt_dry_run || { + eval "$_G_user_locale + $_G_cmd" + _G_status=$? + eval "$_G_safe_locale" + if test 0 -ne "$_G_status"; then + eval "(exit $_G_status); $_G_fail_exp" + fi + } +} + + +# func_tr_sh +# ---------- +# Turn $1 into a string suitable for a shell variable name. +# Result is stored in $func_tr_sh_result. All characters +# not in the set a-zA-Z0-9_ are replaced with '_'. Further, +# if $1 begins with a digit, a '_' is prepended as well. +func_tr_sh () +{ + $debug_cmd + + case $1 in + [0-9]* | *[!a-zA-Z0-9_]*) + func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` + ;; + * ) + func_tr_sh_result=$1 + ;; + esac +} + + +# func_verbose ARG... +# ------------------- +# Echo program name prefixed message in verbose mode only. +func_verbose () +{ + $debug_cmd + + $opt_verbose && func_echo "$*" + + : +} + + +# func_warn_and_continue ARG... +# ----------------------------- +# Echo program name prefixed warning message to standard error. +func_warn_and_continue () +{ + $debug_cmd + + $require_term_colors + + func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 +} + + +# func_warning CATEGORY ARG... +# ---------------------------- +# Echo program name prefixed warning message to standard error. Warning +# messages can be filtered according to CATEGORY, where this function +# elides messages where CATEGORY is not listed in the global variable +# 'opt_warning_types'. +func_warning () +{ + $debug_cmd + + # CATEGORY must be in the warning_categories list! + case " $warning_categories " in + *" $1 "*) ;; + *) func_internal_error "invalid warning category '$1'" ;; + esac + + _G_category=$1 + shift + + case " $opt_warning_types " in + *" $_G_category "*) $warning_func ${1+"$@"} ;; + esac +} + + +# func_sort_ver VER1 VER2 +# ----------------------- +# 'sort -V' is not generally available. +# Note this deviates from the version comparison in automake +# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a +# but this should suffice as we won't be specifying old +# version formats or redundant trailing .0 in bootstrap.conf. +# If we did want full compatibility then we should probably +# use m4_version_compare from autoconf. +func_sort_ver () +{ + $debug_cmd + + printf '%s\n%s\n' "$1" "$2" \ + | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n +} + +# func_lt_ver PREV CURR +# --------------------- +# Return true if PREV and CURR are in the correct order according to +# func_sort_ver, otherwise false. Use it like this: +# +# func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." +func_lt_ver () +{ + $debug_cmd + + test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` +} + + +# Local variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" +# time-stamp-time-zone: "UTC" +# End: +#! /bin/sh + +# Set a version string for this script. +scriptversion=2014-01-07.03; # UTC + +# A portable, pluggable option parser for Bourne shell. +# Written by Gary V. Vaughan, 2010 + +# Copyright (C) 2010-2015 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# Please report bugs or propose patches to gary@gnu.org. + + +## ------ ## +## Usage. ## +## ------ ## + +# This file is a library for parsing options in your shell scripts along +# with assorted other useful supporting features that you can make use +# of too. +# +# For the simplest scripts you might need only: +# +# #!/bin/sh +# . relative/path/to/funclib.sh +# . relative/path/to/options-parser +# scriptversion=1.0 +# func_options ${1+"$@"} +# eval set dummy "$func_options_result"; shift +# ...rest of your script... +# +# In order for the '--version' option to work, you will need to have a +# suitably formatted comment like the one at the top of this file +# starting with '# Written by ' and ending with '# warranty; '. +# +# For '-h' and '--help' to work, you will also need a one line +# description of your script's purpose in a comment directly above the +# '# Written by ' line, like the one at the top of this file. +# +# The default options also support '--debug', which will turn on shell +# execution tracing (see the comment above debug_cmd below for another +# use), and '--verbose' and the func_verbose function to allow your script +# to display verbose messages only when your user has specified +# '--verbose'. +# +# After sourcing this file, you can plug processing for additional +# options by amending the variables from the 'Configuration' section +# below, and following the instructions in the 'Option parsing' +# section further down. + +## -------------- ## +## Configuration. ## +## -------------- ## + +# You should override these variables in your script after sourcing this +# file so that they reflect the customisations you have added to the +# option parser. + +# The usage line for option parsing errors and the start of '-h' and +# '--help' output messages. You can embed shell variables for delayed +# expansion at the time the message is displayed, but you will need to +# quote other shell meta-characters carefully to prevent them being +# expanded when the contents are evaled. +usage='$progpath [OPTION]...' + +# Short help message in response to '-h' and '--help'. Add to this or +# override it after sourcing this library to reflect the full set of +# options your script accepts. +usage_message="\ + --debug enable verbose shell tracing + -W, --warnings=CATEGORY + report the warnings falling in CATEGORY [all] + -v, --verbose verbosely report processing + --version print version information and exit + -h, --help print short or long help message and exit +" + +# Additional text appended to 'usage_message' in response to '--help'. +long_help_message=" +Warning categories include: + 'all' show all warnings + 'none' turn off all the warnings + 'error' warnings are treated as fatal errors" + +# Help message printed before fatal option parsing errors. +fatal_help="Try '\$progname --help' for more information." + + + +## ------------------------- ## +## Hook function management. ## +## ------------------------- ## + +# This section contains functions for adding, removing, and running hooks +# to the main code. A hook is just a named list of of function, that can +# be run in order later on. + +# func_hookable FUNC_NAME +# ----------------------- +# Declare that FUNC_NAME will run hooks added with +# 'func_add_hook FUNC_NAME ...'. +func_hookable () +{ + $debug_cmd + + func_append hookable_fns " $1" +} + + +# func_add_hook FUNC_NAME HOOK_FUNC +# --------------------------------- +# Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must +# first have been declared "hookable" by a call to 'func_hookable'. +func_add_hook () +{ + $debug_cmd + + case " $hookable_fns " in + *" $1 "*) ;; + *) func_fatal_error "'$1' does not accept hook functions." ;; + esac + + eval func_append ${1}_hooks '" $2"' +} + + +# func_remove_hook FUNC_NAME HOOK_FUNC +# ------------------------------------ +# Remove HOOK_FUNC from the list of functions called by FUNC_NAME. +func_remove_hook () +{ + $debug_cmd + + eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' +} + + +# func_run_hooks FUNC_NAME [ARG]... +# --------------------------------- +# Run all hook functions registered to FUNC_NAME. +# It is assumed that the list of hook functions contains nothing more +# than a whitespace-delimited list of legal shell function names, and +# no effort is wasted trying to catch shell meta-characters or preserve +# whitespace. +func_run_hooks () +{ + $debug_cmd + + case " $hookable_fns " in + *" $1 "*) ;; + *) func_fatal_error "'$1' does not support hook funcions.n" ;; + esac + + eval _G_hook_fns=\$$1_hooks; shift + + for _G_hook in $_G_hook_fns; do + eval $_G_hook '"$@"' + + # store returned options list back into positional + # parameters for next 'cmd' execution. + eval _G_hook_result=\$${_G_hook}_result + eval set dummy "$_G_hook_result"; shift + done + + func_quote_for_eval ${1+"$@"} + func_run_hooks_result=$func_quote_for_eval_result +} + + + +## --------------- ## +## Option parsing. ## +## --------------- ## + +# In order to add your own option parsing hooks, you must accept the +# full positional parameter list in your hook function, remove any +# options that you action, and then pass back the remaining unprocessed +# options in '_result', escaped suitably for +# 'eval'. Like this: +# +# my_options_prep () +# { +# $debug_cmd +# +# # Extend the existing usage message. +# usage_message=$usage_message' +# -s, --silent don'\''t print informational messages +# ' +# +# func_quote_for_eval ${1+"$@"} +# my_options_prep_result=$func_quote_for_eval_result +# } +# func_add_hook func_options_prep my_options_prep +# +# +# my_silent_option () +# { +# $debug_cmd +# +# # Note that for efficiency, we parse as many options as we can +# # recognise in a loop before passing the remainder back to the +# # caller on the first unrecognised argument we encounter. +# while test $# -gt 0; do +# opt=$1; shift +# case $opt in +# --silent|-s) opt_silent=: ;; +# # Separate non-argument short options: +# -s*) func_split_short_opt "$_G_opt" +# set dummy "$func_split_short_opt_name" \ +# "-$func_split_short_opt_arg" ${1+"$@"} +# shift +# ;; +# *) set dummy "$_G_opt" "$*"; shift; break ;; +# esac +# done +# +# func_quote_for_eval ${1+"$@"} +# my_silent_option_result=$func_quote_for_eval_result +# } +# func_add_hook func_parse_options my_silent_option +# +# +# my_option_validation () +# { +# $debug_cmd +# +# $opt_silent && $opt_verbose && func_fatal_help "\ +# '--silent' and '--verbose' options are mutually exclusive." +# +# func_quote_for_eval ${1+"$@"} +# my_option_validation_result=$func_quote_for_eval_result +# } +# func_add_hook func_validate_options my_option_validation +# +# You'll alse need to manually amend $usage_message to reflect the extra +# options you parse. It's preferable to append if you can, so that +# multiple option parsing hooks can be added safely. + + +# func_options [ARG]... +# --------------------- +# All the functions called inside func_options are hookable. See the +# individual implementations for details. +func_hookable func_options +func_options () +{ + $debug_cmd + + func_options_prep ${1+"$@"} + eval func_parse_options \ + ${func_options_prep_result+"$func_options_prep_result"} + eval func_validate_options \ + ${func_parse_options_result+"$func_parse_options_result"} + + eval func_run_hooks func_options \ + ${func_validate_options_result+"$func_validate_options_result"} + + # save modified positional parameters for caller + func_options_result=$func_run_hooks_result +} + + +# func_options_prep [ARG]... +# -------------------------- +# All initialisations required before starting the option parse loop. +# Note that when calling hook functions, we pass through the list of +# positional parameters. If a hook function modifies that list, and +# needs to propogate that back to rest of this script, then the complete +# modified list must be put in 'func_run_hooks_result' before +# returning. +func_hookable func_options_prep +func_options_prep () +{ + $debug_cmd + + # Option defaults: + opt_verbose=false + opt_warning_types= + + func_run_hooks func_options_prep ${1+"$@"} + + # save modified positional parameters for caller + func_options_prep_result=$func_run_hooks_result +} + + +# func_parse_options [ARG]... +# --------------------------- +# The main option parsing loop. +func_hookable func_parse_options +func_parse_options () +{ + $debug_cmd + + func_parse_options_result= + + # this just eases exit handling + while test $# -gt 0; do + # Defer to hook functions for initial option parsing, so they + # get priority in the event of reusing an option name. + func_run_hooks func_parse_options ${1+"$@"} + + # Adjust func_parse_options positional parameters to match + eval set dummy "$func_run_hooks_result"; shift + + # Break out of the loop if we already parsed every option. + test $# -gt 0 || break + + _G_opt=$1 + shift + case $_G_opt in + --debug|-x) debug_cmd='set -x' + func_echo "enabling shell trace mode" + $debug_cmd + ;; + + --no-warnings|--no-warning|--no-warn) + set dummy --warnings none ${1+"$@"} + shift + ;; + + --warnings|--warning|-W) + test $# = 0 && func_missing_arg $_G_opt && break + case " $warning_categories $1" in + *" $1 "*) + # trailing space prevents matching last $1 above + func_append_uniq opt_warning_types " $1" + ;; + *all) + opt_warning_types=$warning_categories + ;; + *none) + opt_warning_types=none + warning_func=: + ;; + *error) + opt_warning_types=$warning_categories + warning_func=func_fatal_error + ;; + *) + func_fatal_error \ + "unsupported warning category: '$1'" + ;; + esac + shift + ;; + + --verbose|-v) opt_verbose=: ;; + --version) func_version ;; + -\?|-h) func_usage ;; + --help) func_help ;; + + # Separate optargs to long options (plugins may need this): + --*=*) func_split_equals "$_G_opt" + set dummy "$func_split_equals_lhs" \ + "$func_split_equals_rhs" ${1+"$@"} + shift + ;; + + # Separate optargs to short options: + -W*) + func_split_short_opt "$_G_opt" + set dummy "$func_split_short_opt_name" \ + "$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + # Separate non-argument short options: + -\?*|-h*|-v*|-x*) + func_split_short_opt "$_G_opt" + set dummy "$func_split_short_opt_name" \ + "-$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + --) break ;; + -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; + *) set dummy "$_G_opt" ${1+"$@"}; shift; break ;; + esac + done + + # save modified positional parameters for caller + func_quote_for_eval ${1+"$@"} + func_parse_options_result=$func_quote_for_eval_result +} + + +# func_validate_options [ARG]... +# ------------------------------ +# Perform any sanity checks on option settings and/or unconsumed +# arguments. +func_hookable func_validate_options +func_validate_options () +{ + $debug_cmd + + # Display all warnings if -W was not given. + test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" + + func_run_hooks func_validate_options ${1+"$@"} + + # Bail if the options were screwed! + $exit_cmd $EXIT_FAILURE + + # save modified positional parameters for caller + func_validate_options_result=$func_run_hooks_result +} + + + +## ----------------- ## +## Helper functions. ## +## ----------------- ## + +# This section contains the helper functions used by the rest of the +# hookable option parser framework in ascii-betical order. + + +# func_fatal_help ARG... +# ---------------------- +# Echo program name prefixed message to standard error, followed by +# a help hint, and exit. +func_fatal_help () +{ + $debug_cmd + + eval \$ECHO \""Usage: $usage"\" + eval \$ECHO \""$fatal_help"\" + func_error ${1+"$@"} + exit $EXIT_FAILURE +} + + +# func_help +# --------- +# Echo long help message to standard output and exit. +func_help () +{ + $debug_cmd + + func_usage_message + $ECHO "$long_help_message" + exit 0 +} + + +# func_missing_arg ARGNAME +# ------------------------ +# Echo program name prefixed message to standard error and set global +# exit_cmd. +func_missing_arg () +{ + $debug_cmd + + func_error "Missing argument for '$1'." + exit_cmd=exit +} + + +# func_split_equals STRING +# ------------------------ +# Set func_split_equals_lhs and func_split_equals_rhs shell variables after +# splitting STRING at the '=' sign. +test -z "$_G_HAVE_XSI_OPS" \ + && (eval 'x=a/b/c; + test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ + && _G_HAVE_XSI_OPS=yes + +if test yes = "$_G_HAVE_XSI_OPS" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_split_equals () + { + $debug_cmd + + func_split_equals_lhs=${1%%=*} + func_split_equals_rhs=${1#*=} + test "x$func_split_equals_lhs" = "x$1" \ + && func_split_equals_rhs= + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_split_equals () + { + $debug_cmd + + func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` + func_split_equals_rhs= + test "x$func_split_equals_lhs" = "x$1" \ + || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` + } +fi #func_split_equals + + +# func_split_short_opt SHORTOPT +# ----------------------------- +# Set func_split_short_opt_name and func_split_short_opt_arg shell +# variables after splitting SHORTOPT after the 2nd character. +if test yes = "$_G_HAVE_XSI_OPS" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_split_short_opt () + { + $debug_cmd + + func_split_short_opt_arg=${1#??} + func_split_short_opt_name=${1%"$func_split_short_opt_arg"} + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_split_short_opt () + { + $debug_cmd + + func_split_short_opt_name=`expr "x$1" : 'x-\(.\)'` + func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` + } +fi #func_split_short_opt + + +# func_usage +# ---------- +# Echo short help message to standard output and exit. +func_usage () +{ + $debug_cmd + + func_usage_message + $ECHO "Run '$progname --help |${PAGER-more}' for full usage" + exit 0 +} + + +# func_usage_message +# ------------------ +# Echo short help message to standard output. +func_usage_message () +{ + $debug_cmd + + eval \$ECHO \""Usage: $usage"\" + echo + $SED -n 's|^# || + /^Written by/{ + x;p;x + } + h + /^Written by/q' < "$progpath" + echo + eval \$ECHO \""$usage_message"\" +} + + +# func_version +# ------------ +# Echo version message to standard output and exit. +func_version () +{ + $debug_cmd + + printf '%s\n' "$progname $scriptversion" + $SED -n ' + /(C)/!b go + :more + /\./!{ + N + s|\n# | | + b more + } + :go + /^# Written by /,/# warranty; / { + s|^# || + s|^# *$|| + s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| + p + } + /^# Written by / { + s|^# || + p + } + /^warranty; /q' < "$progpath" + + exit $? +} + + +# Local variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" +# time-stamp-time-zone: "UTC" +# End: + +# Set a version string. +scriptversion='(GNU libtool) 2.4.6' + + +# func_echo ARG... +# ---------------- +# Libtool also displays the current mode in messages, so override +# funclib.sh func_echo with this custom definition. +func_echo () +{ + $debug_cmd + + _G_message=$* + + func_echo_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_IFS + $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" + done + IFS=$func_echo_IFS +} + + +# func_warning ARG... +# ------------------- +# Libtool warnings are not categorized, so override funclib.sh +# func_warning with this simpler definition. +func_warning () +{ + $debug_cmd + + $warning_func ${1+"$@"} +} + + +## ---------------- ## +## Options parsing. ## +## ---------------- ## + +# Hook in the functions to make sure our own options are parsed during +# the option parsing loop. + +usage='$progpath [OPTION]... [MODE-ARG]...' + +# Short help message in response to '-h'. +usage_message="Options: + --config show all configuration variables + --debug enable verbose shell tracing + -n, --dry-run display commands without modifying any files + --features display basic configuration information and exit + --mode=MODE use operation mode MODE + --no-warnings equivalent to '-Wnone' + --preserve-dup-deps don't remove duplicate dependency libraries + --quiet, --silent don't print informational messages + --tag=TAG use configuration variables from tag TAG + -v, --verbose print more informational messages than default + --version print version information + -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] + -h, --help, --help-all print short, long, or detailed help message +" + +# Additional text appended to 'usage_message' in response to '--help'. +func_help () +{ + $debug_cmd + + func_usage_message + $ECHO "$long_help_message + +MODE must be one of the following: + + clean remove files from the build directory + compile compile a source file into a libtool object + execute automatically set library path, then run a program + finish complete the installation of libtool libraries + install install libraries or executables + link create a library or an executable + uninstall remove libraries from an installed directory + +MODE-ARGS vary depending on the MODE. When passed as first option, +'--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. +Try '$progname --help --mode=MODE' for a more detailed description of MODE. + +When reporting a bug, please describe a test case to reproduce it and +include the following information: + + host-triplet: $host + shell: $SHELL + compiler: $LTCC + compiler flags: $LTCFLAGS + linker: $LD (gnu? $with_gnu_ld) + version: $progname $scriptversion Debian-2.4.6-2 + automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` + autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` + +Report bugs to . +GNU libtool home page: . +General help using GNU software: ." + exit 0 +} + + +# func_lo2o OBJECT-NAME +# --------------------- +# Transform OBJECT-NAME from a '.lo' suffix to the platform specific +# object suffix. + +lo2o=s/\\.lo\$/.$objext/ +o2lo=s/\\.$objext\$/.lo/ + +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_lo2o () + { + case $1 in + *.lo) func_lo2o_result=${1%.lo}.$objext ;; + * ) func_lo2o_result=$1 ;; + esac + }' + + # func_xform LIBOBJ-OR-SOURCE + # --------------------------- + # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) + # suffix to a '.lo' libtool-object suffix. + eval 'func_xform () + { + func_xform_result=${1%.*}.lo + }' +else + # ...otherwise fall back to using sed. + func_lo2o () + { + func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` + } + + func_xform () + { + func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` + } +fi + + +# func_fatal_configuration ARG... +# ------------------------------- +# Echo program name prefixed message to standard error, followed by +# a configuration failure hint, and exit. +func_fatal_configuration () +{ + func__fatal_error ${1+"$@"} \ + "See the $PACKAGE documentation for more information." \ + "Fatal configuration error." +} + + +# func_config +# ----------- +# Display the configuration for all the tags in this script. +func_config () +{ + re_begincf='^# ### BEGIN LIBTOOL' + re_endcf='^# ### END LIBTOOL' + + # Default configuration. + $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" + + # Now print the configurations for the tags. + for tagname in $taglist; do + $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" + done + + exit $? +} + + +# func_features +# ------------- +# Display the features supported by this script. +func_features () +{ + echo "host: $host" + if test yes = "$build_libtool_libs"; then + echo "enable shared libraries" + else + echo "disable shared libraries" + fi + if test yes = "$build_old_libs"; then + echo "enable static libraries" + else + echo "disable static libraries" + fi + + exit $? +} + + +# func_enable_tag TAGNAME +# ----------------------- +# Verify that TAGNAME is valid, and either flag an error and exit, or +# enable the TAGNAME tag. We also add TAGNAME to the global $taglist +# variable here. +func_enable_tag () +{ + # Global variable: + tagname=$1 + + re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" + re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" + sed_extractcf=/$re_begincf/,/$re_endcf/p + + # Validate tagname. + case $tagname in + *[!-_A-Za-z0-9,/]*) + func_fatal_error "invalid tag name: $tagname" + ;; + esac + + # Don't test for the "default" C tag, as we know it's + # there but not specially marked. + case $tagname in + CC) ;; + *) + if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then + taglist="$taglist $tagname" + + # Evaluate the configuration. Be careful to quote the path + # and the sed script, to avoid splitting on whitespace, but + # also don't use non-portable quotes within backquotes within + # quotes we have to do it in 2 steps: + extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` + eval "$extractedcf" + else + func_error "ignoring unknown tag $tagname" + fi + ;; + esac +} + + +# func_check_version_match +# ------------------------ +# Ensure that we are using m4 macros, and libtool script from the same +# release of libtool. +func_check_version_match () +{ + if test "$package_revision" != "$macro_revision"; then + if test "$VERSION" != "$macro_version"; then + if test -z "$macro_version"; then + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from an older release. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + fi + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, +$progname: but the definition of this LT_INIT comes from revision $macro_revision. +$progname: You should recreate aclocal.m4 with macros from revision $package_revision +$progname: of $PACKAGE $VERSION and run autoconf again. +_LT_EOF + fi + + exit $EXIT_MISMATCH + fi +} + + +# libtool_options_prep [ARG]... +# ----------------------------- +# Preparation for options parsed by libtool. +libtool_options_prep () +{ + $debug_mode + + # Option defaults: + opt_config=false + opt_dlopen= + opt_dry_run=false + opt_help=false + opt_mode= + opt_preserve_dup_deps=false + opt_quiet=false + + nonopt= + preserve_args= + + # Shorthand for --mode=foo, only valid as the first argument + case $1 in + clean|clea|cle|cl) + shift; set dummy --mode clean ${1+"$@"}; shift + ;; + compile|compil|compi|comp|com|co|c) + shift; set dummy --mode compile ${1+"$@"}; shift + ;; + execute|execut|execu|exec|exe|ex|e) + shift; set dummy --mode execute ${1+"$@"}; shift + ;; + finish|finis|fini|fin|fi|f) + shift; set dummy --mode finish ${1+"$@"}; shift + ;; + install|instal|insta|inst|ins|in|i) + shift; set dummy --mode install ${1+"$@"}; shift + ;; + link|lin|li|l) + shift; set dummy --mode link ${1+"$@"}; shift + ;; + uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) + shift; set dummy --mode uninstall ${1+"$@"}; shift + ;; + esac + + # Pass back the list of options. + func_quote_for_eval ${1+"$@"} + libtool_options_prep_result=$func_quote_for_eval_result +} +func_add_hook func_options_prep libtool_options_prep + + +# libtool_parse_options [ARG]... +# --------------------------------- +# Provide handling for libtool specific options. +libtool_parse_options () +{ + $debug_cmd + + # Perform our own loop to consume as many options as possible in + # each iteration. + while test $# -gt 0; do + _G_opt=$1 + shift + case $_G_opt in + --dry-run|--dryrun|-n) + opt_dry_run=: + ;; + + --config) func_config ;; + + --dlopen|-dlopen) + opt_dlopen="${opt_dlopen+$opt_dlopen +}$1" + shift + ;; + + --preserve-dup-deps) + opt_preserve_dup_deps=: ;; + + --features) func_features ;; + + --finish) set dummy --mode finish ${1+"$@"}; shift ;; + + --help) opt_help=: ;; + + --help-all) opt_help=': help-all' ;; + + --mode) test $# = 0 && func_missing_arg $_G_opt && break + opt_mode=$1 + case $1 in + # Valid mode arguments: + clean|compile|execute|finish|install|link|relink|uninstall) ;; + + # Catch anything else as an error + *) func_error "invalid argument for $_G_opt" + exit_cmd=exit + break + ;; + esac + shift + ;; + + --no-silent|--no-quiet) + opt_quiet=false + func_append preserve_args " $_G_opt" + ;; + + --no-warnings|--no-warning|--no-warn) + opt_warning=false + func_append preserve_args " $_G_opt" + ;; + + --no-verbose) + opt_verbose=false + func_append preserve_args " $_G_opt" + ;; + + --silent|--quiet) + opt_quiet=: + opt_verbose=false + func_append preserve_args " $_G_opt" + ;; + + --tag) test $# = 0 && func_missing_arg $_G_opt && break + opt_tag=$1 + func_append preserve_args " $_G_opt $1" + func_enable_tag "$1" + shift + ;; + + --verbose|-v) opt_quiet=false + opt_verbose=: + func_append preserve_args " $_G_opt" + ;; + + # An option not handled by this hook function: + *) set dummy "$_G_opt" ${1+"$@"}; shift; break ;; + esac + done + + + # save modified positional parameters for caller + func_quote_for_eval ${1+"$@"} + libtool_parse_options_result=$func_quote_for_eval_result +} +func_add_hook func_parse_options libtool_parse_options + + + +# libtool_validate_options [ARG]... +# --------------------------------- +# Perform any sanity checks on option settings and/or unconsumed +# arguments. +libtool_validate_options () +{ + # save first non-option argument + if test 0 -lt $#; then + nonopt=$1 + shift + fi + + # preserve --debug + test : = "$debug_cmd" || func_append preserve_args " --debug" + + case $host in + # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452 + # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788 + *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*) + # don't eliminate duplications in $postdeps and $predeps + opt_duplicate_compiler_generated_deps=: + ;; + *) + opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps + ;; + esac + + $opt_help || { + # Sanity checks first: + func_check_version_match + + test yes != "$build_libtool_libs" \ + && test yes != "$build_old_libs" \ + && func_fatal_configuration "not configured to build any kind of library" + + # Darwin sucks + eval std_shrext=\"$shrext_cmds\" + + # Only execute mode is allowed to have -dlopen flags. + if test -n "$opt_dlopen" && test execute != "$opt_mode"; then + func_error "unrecognized option '-dlopen'" + $ECHO "$help" 1>&2 + exit $EXIT_FAILURE + fi + + # Change the help message to a mode-specific one. + generic_help=$help + help="Try '$progname --help --mode=$opt_mode' for more information." + } + + # Pass back the unparsed argument list + func_quote_for_eval ${1+"$@"} + libtool_validate_options_result=$func_quote_for_eval_result +} +func_add_hook func_validate_options libtool_validate_options + + +# Process options as early as possible so that --help and --version +# can return quickly. +func_options ${1+"$@"} +eval set dummy "$func_options_result"; shift + + + +## ----------- ## +## Main. ## +## ----------- ## + +magic='%%%MAGIC variable%%%' +magic_exe='%%%MAGIC EXE variable%%%' + +# Global variables. +extracted_archives= +extracted_serial=0 + +# If this variable is set in any of the actions, the command in it +# will be execed at the end. This prevents here-documents from being +# left over by shells. +exec_cmd= + + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + +# func_generated_by_libtool +# True iff stdin has been generated by Libtool. This function is only +# a basic sanity check; it will hardly flush out determined imposters. +func_generated_by_libtool_p () +{ + $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 +} + +# func_lalib_p file +# True iff FILE is a libtool '.la' library or '.lo' object file. +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_lalib_p () +{ + test -f "$1" && + $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p +} + +# func_lalib_unsafe_p file +# True iff FILE is a libtool '.la' library or '.lo' object file. +# This function implements the same check as func_lalib_p without +# resorting to external programs. To this end, it redirects stdin and +# closes it afterwards, without saving the original file descriptor. +# As a safety measure, use it only where a negative result would be +# fatal anyway. Works if 'file' does not exist. +func_lalib_unsafe_p () +{ + lalib_p=no + if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then + for lalib_p_l in 1 2 3 4 + do + read lalib_p_line + case $lalib_p_line in + \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; + esac + done + exec 0<&5 5<&- + fi + test yes = "$lalib_p" +} + +# func_ltwrapper_script_p file +# True iff FILE is a libtool wrapper script +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_script_p () +{ + test -f "$1" && + $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p +} + +# func_ltwrapper_executable_p file +# True iff FILE is a libtool wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_executable_p () +{ + func_ltwrapper_exec_suffix= + case $1 in + *.exe) ;; + *) func_ltwrapper_exec_suffix=.exe ;; + esac + $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 +} + +# func_ltwrapper_scriptname file +# Assumes file is an ltwrapper_executable +# uses $file to determine the appropriate filename for a +# temporary ltwrapper_script. +func_ltwrapper_scriptname () +{ + func_dirname_and_basename "$1" "" "." + func_stripname '' '.exe' "$func_basename_result" + func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper +} + +# func_ltwrapper_p file +# True iff FILE is a libtool wrapper script or wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_p () +{ + func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" +} + + +# func_execute_cmds commands fail_cmd +# Execute tilde-delimited COMMANDS. +# If FAIL_CMD is given, eval that upon failure. +# FAIL_CMD may read-access the current command in variable CMD! +func_execute_cmds () +{ + $debug_cmd + + save_ifs=$IFS; IFS='~' + for cmd in $1; do + IFS=$sp$nl + eval cmd=\"$cmd\" + IFS=$save_ifs + func_show_eval "$cmd" "${2-:}" + done + IFS=$save_ifs +} + + +# func_source file +# Source FILE, adding directory component if necessary. +# Note that it is not necessary on cygwin/mingw to append a dot to +# FILE even if both FILE and FILE.exe exist: automatic-append-.exe +# behavior happens only for exec(3), not for open(2)! Also, sourcing +# 'FILE.' does not work on cygwin managed mounts. +func_source () +{ + $debug_cmd + + case $1 in + */* | *\\*) . "$1" ;; + *) . "./$1" ;; + esac +} + + +# func_resolve_sysroot PATH +# Replace a leading = in PATH with a sysroot. Store the result into +# func_resolve_sysroot_result +func_resolve_sysroot () +{ + func_resolve_sysroot_result=$1 + case $func_resolve_sysroot_result in + =*) + func_stripname '=' '' "$func_resolve_sysroot_result" + func_resolve_sysroot_result=$lt_sysroot$func_stripname_result + ;; + esac +} + +# func_replace_sysroot PATH +# If PATH begins with the sysroot, replace it with = and +# store the result into func_replace_sysroot_result. +func_replace_sysroot () +{ + case $lt_sysroot:$1 in + ?*:"$lt_sysroot"*) + func_stripname "$lt_sysroot" '' "$1" + func_replace_sysroot_result='='$func_stripname_result + ;; + *) + # Including no sysroot. + func_replace_sysroot_result=$1 + ;; + esac +} + +# func_infer_tag arg +# Infer tagged configuration to use if any are available and +# if one wasn't chosen via the "--tag" command line option. +# Only attempt this if the compiler in the base compile +# command doesn't match the default compiler. +# arg is usually of the form 'gcc ...' +func_infer_tag () +{ + $debug_cmd + + if test -n "$available_tags" && test -z "$tagname"; then + CC_quoted= + for arg in $CC; do + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case $@ in + # Blanks in the command may have been stripped by the calling shell, + # but not from the CC environment variable when configure was run. + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; + # Blanks at the start of $base_compile will cause this to fail + # if we don't check for them as well. + *) + for z in $available_tags; do + if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then + # Evaluate the configuration. + eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" + CC_quoted= + for arg in $CC; do + # Double-quote args containing other shell metacharacters. + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case "$@ " in + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) + # The compiler in the base compile command matches + # the one in the tagged configuration. + # Assume this is the tagged configuration we want. + tagname=$z + break + ;; + esac + fi + done + # If $tagname still isn't set, then no tagged configuration + # was found and let the user know that the "--tag" command + # line option must be used. + if test -z "$tagname"; then + func_echo "unable to infer tagged configuration" + func_fatal_error "specify a tag with '--tag'" +# else +# func_verbose "using $tagname tagged configuration" + fi + ;; + esac + fi +} + + + +# func_write_libtool_object output_name pic_name nonpic_name +# Create a libtool object file (analogous to a ".la" file), +# but don't create it if we're doing a dry run. +func_write_libtool_object () +{ + write_libobj=$1 + if test yes = "$build_libtool_libs"; then + write_lobj=\'$2\' + else + write_lobj=none + fi + + if test yes = "$build_old_libs"; then + write_oldobj=\'$3\' + else + write_oldobj=none + fi + + $opt_dry_run || { + cat >${write_libobj}T </dev/null` + if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then + func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | + $SED -e "$sed_naive_backslashify"` + else + func_convert_core_file_wine_to_w32_result= + fi + fi +} +# end: func_convert_core_file_wine_to_w32 + + +# func_convert_core_path_wine_to_w32 ARG +# Helper function used by path conversion functions when $build is *nix, and +# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly +# configured wine environment available, with the winepath program in $build's +# $PATH. Assumes ARG has no leading or trailing path separator characters. +# +# ARG is path to be converted from $build format to win32. +# Result is available in $func_convert_core_path_wine_to_w32_result. +# Unconvertible file (directory) names in ARG are skipped; if no directory names +# are convertible, then the result may be empty. +func_convert_core_path_wine_to_w32 () +{ + $debug_cmd + + # unfortunately, winepath doesn't convert paths, only file names + func_convert_core_path_wine_to_w32_result= + if test -n "$1"; then + oldIFS=$IFS + IFS=: + for func_convert_core_path_wine_to_w32_f in $1; do + IFS=$oldIFS + func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" + if test -n "$func_convert_core_file_wine_to_w32_result"; then + if test -z "$func_convert_core_path_wine_to_w32_result"; then + func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result + else + func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" + fi + fi + done + IFS=$oldIFS + fi +} +# end: func_convert_core_path_wine_to_w32 + + +# func_cygpath ARGS... +# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when +# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) +# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or +# (2), returns the Cygwin file name or path in func_cygpath_result (input +# file name or path is assumed to be in w32 format, as previously converted +# from $build's *nix or MSYS format). In case (3), returns the w32 file name +# or path in func_cygpath_result (input file name or path is assumed to be in +# Cygwin format). Returns an empty string on error. +# +# ARGS are passed to cygpath, with the last one being the file name or path to +# be converted. +# +# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH +# environment variable; do not put it in $PATH. +func_cygpath () +{ + $debug_cmd + + if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then + func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` + if test "$?" -ne 0; then + # on failure, ensure result is empty + func_cygpath_result= + fi + else + func_cygpath_result= + func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" + fi +} +#end: func_cygpath + + +# func_convert_core_msys_to_w32 ARG +# Convert file name or path ARG from MSYS format to w32 format. Return +# result in func_convert_core_msys_to_w32_result. +func_convert_core_msys_to_w32 () +{ + $debug_cmd + + # awkward: cmd appends spaces to result + func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | + $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` +} +#end: func_convert_core_msys_to_w32 + + +# func_convert_file_check ARG1 ARG2 +# Verify that ARG1 (a file name in $build format) was converted to $host +# format in ARG2. Otherwise, emit an error message, but continue (resetting +# func_to_host_file_result to ARG1). +func_convert_file_check () +{ + $debug_cmd + + if test -z "$2" && test -n "$1"; then + func_error "Could not determine host file name corresponding to" + func_error " '$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback: + func_to_host_file_result=$1 + fi +} +# end func_convert_file_check + + +# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH +# Verify that FROM_PATH (a path in $build format) was converted to $host +# format in TO_PATH. Otherwise, emit an error message, but continue, resetting +# func_to_host_file_result to a simplistic fallback value (see below). +func_convert_path_check () +{ + $debug_cmd + + if test -z "$4" && test -n "$3"; then + func_error "Could not determine the host path corresponding to" + func_error " '$3'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback. This is a deliberately simplistic "conversion" and + # should not be "improved". See libtool.info. + if test "x$1" != "x$2"; then + lt_replace_pathsep_chars="s|$1|$2|g" + func_to_host_path_result=`echo "$3" | + $SED -e "$lt_replace_pathsep_chars"` + else + func_to_host_path_result=$3 + fi + fi +} +# end func_convert_path_check + + +# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG +# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT +# and appending REPL if ORIG matches BACKPAT. +func_convert_path_front_back_pathsep () +{ + $debug_cmd + + case $4 in + $1 ) func_to_host_path_result=$3$func_to_host_path_result + ;; + esac + case $4 in + $2 ) func_append func_to_host_path_result "$3" + ;; + esac +} +# end func_convert_path_front_back_pathsep + + +################################################## +# $build to $host FILE NAME CONVERSION FUNCTIONS # +################################################## +# invoked via '$to_host_file_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# Result will be available in $func_to_host_file_result. + + +# func_to_host_file ARG +# Converts the file name ARG from $build format to $host format. Return result +# in func_to_host_file_result. +func_to_host_file () +{ + $debug_cmd + + $to_host_file_cmd "$1" +} +# end func_to_host_file + + +# func_to_tool_file ARG LAZY +# converts the file name ARG from $build format to toolchain format. Return +# result in func_to_tool_file_result. If the conversion in use is listed +# in (the comma separated) LAZY, no conversion takes place. +func_to_tool_file () +{ + $debug_cmd + + case ,$2, in + *,"$to_tool_file_cmd",*) + func_to_tool_file_result=$1 + ;; + *) + $to_tool_file_cmd "$1" + func_to_tool_file_result=$func_to_host_file_result + ;; + esac +} +# end func_to_tool_file + + +# func_convert_file_noop ARG +# Copy ARG to func_to_host_file_result. +func_convert_file_noop () +{ + func_to_host_file_result=$1 +} +# end func_convert_file_noop + + +# func_convert_file_msys_to_w32 ARG +# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_file_result. +func_convert_file_msys_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_to_host_file_result=$func_convert_core_msys_to_w32_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_w32 + + +# func_convert_file_cygwin_to_w32 ARG +# Convert file name ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_file_cygwin_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + # because $build is cygwin, we call "the" cygpath in $PATH; no need to use + # LT_CYGPATH in this case. + func_to_host_file_result=`cygpath -m "$1"` + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_cygwin_to_w32 + + +# func_convert_file_nix_to_w32 ARG +# Convert file name ARG from *nix to w32 format. Requires a wine environment +# and a working winepath. Returns result in func_to_host_file_result. +func_convert_file_nix_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_file_wine_to_w32 "$1" + func_to_host_file_result=$func_convert_core_file_wine_to_w32_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_w32 + + +# func_convert_file_msys_to_cygwin ARG +# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_file_msys_to_cygwin () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_cygpath -u "$func_convert_core_msys_to_w32_result" + func_to_host_file_result=$func_cygpath_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_cygwin + + +# func_convert_file_nix_to_cygwin ARG +# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed +# in a wine environment, working winepath, and LT_CYGPATH set. Returns result +# in func_to_host_file_result. +func_convert_file_nix_to_cygwin () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. + func_convert_core_file_wine_to_w32 "$1" + func_cygpath -u "$func_convert_core_file_wine_to_w32_result" + func_to_host_file_result=$func_cygpath_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_cygwin + + +############################################# +# $build to $host PATH CONVERSION FUNCTIONS # +############################################# +# invoked via '$to_host_path_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# The result will be available in $func_to_host_path_result. +# +# Path separators are also converted from $build format to $host format. If +# ARG begins or ends with a path separator character, it is preserved (but +# converted to $host format) on output. +# +# All path conversion functions are named using the following convention: +# file name conversion function : func_convert_file_X_to_Y () +# path conversion function : func_convert_path_X_to_Y () +# where, for any given $build/$host combination the 'X_to_Y' value is the +# same. If conversion functions are added for new $build/$host combinations, +# the two new functions must follow this pattern, or func_init_to_host_path_cmd +# will break. + + +# func_init_to_host_path_cmd +# Ensures that function "pointer" variable $to_host_path_cmd is set to the +# appropriate value, based on the value of $to_host_file_cmd. +to_host_path_cmd= +func_init_to_host_path_cmd () +{ + $debug_cmd + + if test -z "$to_host_path_cmd"; then + func_stripname 'func_convert_file_' '' "$to_host_file_cmd" + to_host_path_cmd=func_convert_path_$func_stripname_result + fi +} + + +# func_to_host_path ARG +# Converts the path ARG from $build format to $host format. Return result +# in func_to_host_path_result. +func_to_host_path () +{ + $debug_cmd + + func_init_to_host_path_cmd + $to_host_path_cmd "$1" +} +# end func_to_host_path + + +# func_convert_path_noop ARG +# Copy ARG to func_to_host_path_result. +func_convert_path_noop () +{ + func_to_host_path_result=$1 +} +# end func_convert_path_noop + + +# func_convert_path_msys_to_w32 ARG +# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_path_result. +func_convert_path_msys_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # Remove leading and trailing path separator characters from ARG. MSYS + # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; + # and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result=$func_convert_core_msys_to_w32_result + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_msys_to_w32 + + +# func_convert_path_cygwin_to_w32 ARG +# Convert path ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_path_cygwin_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_cygwin_to_w32 + + +# func_convert_path_nix_to_w32 ARG +# Convert path ARG from *nix to w32 format. Requires a wine environment and +# a working winepath. Returns result in func_to_host_file_result. +func_convert_path_nix_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result=$func_convert_core_path_wine_to_w32_result + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_nix_to_w32 + + +# func_convert_path_msys_to_cygwin ARG +# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_path_msys_to_cygwin () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_msys_to_w32_result" + func_to_host_path_result=$func_cygpath_result + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_msys_to_cygwin + + +# func_convert_path_nix_to_cygwin ARG +# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a +# a wine environment, working winepath, and LT_CYGPATH set. Returns result in +# func_to_host_file_result. +func_convert_path_nix_to_cygwin () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # Remove leading and trailing path separator characters from + # ARG. msys behavior is inconsistent here, cygpath turns them + # into '.;' and ';.', and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" + func_to_host_path_result=$func_cygpath_result + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_nix_to_cygwin + + +# func_dll_def_p FILE +# True iff FILE is a Windows DLL '.def' file. +# Keep in sync with _LT_DLL_DEF_P in libtool.m4 +func_dll_def_p () +{ + $debug_cmd + + func_dll_def_p_tmp=`$SED -n \ + -e 's/^[ ]*//' \ + -e '/^\(;.*\)*$/d' \ + -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ + -e q \ + "$1"` + test DEF = "$func_dll_def_p_tmp" +} + + +# func_mode_compile arg... +func_mode_compile () +{ + $debug_cmd + + # Get the compilation command and the source file. + base_compile= + srcfile=$nonopt # always keep a non-empty value in "srcfile" + suppress_opt=yes + suppress_output= + arg_mode=normal + libobj= + later= + pie_flag= + + for arg + do + case $arg_mode in + arg ) + # do not "continue". Instead, add this to base_compile + lastarg=$arg + arg_mode=normal + ;; + + target ) + libobj=$arg + arg_mode=normal + continue + ;; + + normal ) + # Accept any command-line options. + case $arg in + -o) + test -n "$libobj" && \ + func_fatal_error "you cannot specify '-o' more than once" + arg_mode=target + continue + ;; + + -pie | -fpie | -fPIE) + func_append pie_flag " $arg" + continue + ;; + + -shared | -static | -prefer-pic | -prefer-non-pic) + func_append later " $arg" + continue + ;; + + -no-suppress) + suppress_opt=no + continue + ;; + + -Xcompiler) + arg_mode=arg # the next one goes into the "base_compile" arg list + continue # The current "srcfile" will either be retained or + ;; # replaced later. I would guess that would be a bug. + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + lastarg= + save_ifs=$IFS; IFS=, + for arg in $args; do + IFS=$save_ifs + func_append_quoted lastarg "$arg" + done + IFS=$save_ifs + func_stripname ' ' '' "$lastarg" + lastarg=$func_stripname_result + + # Add the arguments to base_compile. + func_append base_compile " $lastarg" + continue + ;; + + *) + # Accept the current argument as the source file. + # The previous "srcfile" becomes the current argument. + # + lastarg=$srcfile + srcfile=$arg + ;; + esac # case $arg + ;; + esac # case $arg_mode + + # Aesthetically quote the previous argument. + func_append_quoted base_compile "$lastarg" + done # for arg + + case $arg_mode in + arg) + func_fatal_error "you must specify an argument for -Xcompile" + ;; + target) + func_fatal_error "you must specify a target with '-o'" + ;; + *) + # Get the name of the library object. + test -z "$libobj" && { + func_basename "$srcfile" + libobj=$func_basename_result + } + ;; + esac + + # Recognize several different file suffixes. + # If the user specifies -o file.o, it is replaced with file.lo + case $libobj in + *.[cCFSifmso] | \ + *.ada | *.adb | *.ads | *.asm | \ + *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ + *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) + func_xform "$libobj" + libobj=$func_xform_result + ;; + esac + + case $libobj in + *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; + *) + func_fatal_error "cannot determine name of library object from '$libobj'" + ;; + esac + + func_infer_tag $base_compile + + for arg in $later; do + case $arg in + -shared) + test yes = "$build_libtool_libs" \ + || func_fatal_configuration "cannot build a shared library" + build_old_libs=no + continue + ;; + + -static) + build_libtool_libs=no + build_old_libs=yes + continue + ;; + + -prefer-pic) + pic_mode=yes + continue + ;; + + -prefer-non-pic) + pic_mode=no + continue + ;; + esac + done + + func_quote_for_eval "$libobj" + test "X$libobj" != "X$func_quote_for_eval_result" \ + && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ + && func_warning "libobj name '$libobj' may not contain shell special characters." + func_dirname_and_basename "$obj" "/" "" + objname=$func_basename_result + xdir=$func_dirname_result + lobj=$xdir$objdir/$objname + + test -z "$base_compile" && \ + func_fatal_help "you must specify a compilation command" + + # Delete any leftover library objects. + if test yes = "$build_old_libs"; then + removelist="$obj $lobj $libobj ${libobj}T" + else + removelist="$lobj $libobj ${libobj}T" + fi + + # On Cygwin there's no "real" PIC flag so we must build both object types + case $host_os in + cygwin* | mingw* | pw32* | os2* | cegcc*) + pic_mode=default + ;; + esac + if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then + # non-PIC code in shared libraries is not supported + pic_mode=default + fi + + # Calculate the filename of the output object if compiler does + # not support -o with -c + if test no = "$compiler_c_o"; then + output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext + lockfile=$output_obj.lock + else + output_obj= + need_locks=no + lockfile= + fi + + # Lock this critical section if it is needed + # We use this script file to make the link, it avoids creating a new file + if test yes = "$need_locks"; then + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + elif test warn = "$need_locks"; then + if test -f "$lockfile"; then + $ECHO "\ +*** ERROR, $lockfile exists and contains: +`cat $lockfile 2>/dev/null` + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + func_append removelist " $output_obj" + $ECHO "$srcfile" > "$lockfile" + fi + + $opt_dry_run || $RM $removelist + func_append removelist " $lockfile" + trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 + + func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 + srcfile=$func_to_tool_file_result + func_quote_for_eval "$srcfile" + qsrcfile=$func_quote_for_eval_result + + # Only build a PIC object if we are building libtool libraries. + if test yes = "$build_libtool_libs"; then + # Without this assignment, base_compile gets emptied. + fbsd_hideous_sh_bug=$base_compile + + if test no != "$pic_mode"; then + command="$base_compile $qsrcfile $pic_flag" + else + # Don't build PIC code + command="$base_compile $qsrcfile" + fi + + func_mkdir_p "$xdir$objdir" + + if test -z "$output_obj"; then + # Place PIC objects in $objdir + func_append command " -o $lobj" + fi + + func_show_eval_locale "$command" \ + 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' + + if test warn = "$need_locks" && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed, then go on to compile the next one + if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then + func_show_eval '$MV "$output_obj" "$lobj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + + # Allow error messages only from the first compilation. + if test yes = "$suppress_opt"; then + suppress_output=' >/dev/null 2>&1' + fi + fi + + # Only build a position-dependent object if we build old libraries. + if test yes = "$build_old_libs"; then + if test yes != "$pic_mode"; then + # Don't build PIC code + command="$base_compile $qsrcfile$pie_flag" + else + command="$base_compile $qsrcfile $pic_flag" + fi + if test yes = "$compiler_c_o"; then + func_append command " -o $obj" + fi + + # Suppress compiler output if we already did a PIC compilation. + func_append command "$suppress_output" + func_show_eval_locale "$command" \ + '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' + + if test warn = "$need_locks" && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed + if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then + func_show_eval '$MV "$output_obj" "$obj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + fi + + $opt_dry_run || { + func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" + + # Unlock the critical section if it was locked + if test no != "$need_locks"; then + removelist=$lockfile + $RM "$lockfile" + fi + } + + exit $EXIT_SUCCESS +} + +$opt_help || { + test compile = "$opt_mode" && func_mode_compile ${1+"$@"} +} + +func_mode_help () +{ + # We need to display help for each of the modes. + case $opt_mode in + "") + # Generic help is extracted from the usage comments + # at the start of this file. + func_help + ;; + + clean) + $ECHO \ +"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... + +Remove files from the build directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed +to RM. + +If FILE is a libtool library, object or program, all the files associated +with it are deleted. Otherwise, only FILE itself is deleted using RM." + ;; + + compile) + $ECHO \ +"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE + +Compile a source file into a libtool library object. + +This mode accepts the following additional options: + + -o OUTPUT-FILE set the output file name to OUTPUT-FILE + -no-suppress do not suppress compiler output for multiple passes + -prefer-pic try to build PIC objects only + -prefer-non-pic try to build non-PIC objects only + -shared do not build a '.o' file suitable for static linking + -static only build a '.o' file suitable for static linking + -Wc,FLAG pass FLAG directly to the compiler + +COMPILE-COMMAND is a command to be used in creating a 'standard' object file +from the given SOURCEFILE. + +The output file name is determined by removing the directory component from +SOURCEFILE, then substituting the C source code suffix '.c' with the +library object suffix, '.lo'." + ;; + + execute) + $ECHO \ +"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... + +Automatically set library path, then run a program. + +This mode accepts the following additional options: + + -dlopen FILE add the directory containing FILE to the library path + +This mode sets the library path environment variable according to '-dlopen' +flags. + +If any of the ARGS are libtool executable wrappers, then they are translated +into their corresponding uninstalled binary, and any of their required library +directories are added to the library path. + +Then, COMMAND is executed, with ARGS as arguments." + ;; + + finish) + $ECHO \ +"Usage: $progname [OPTION]... --mode=finish [LIBDIR]... + +Complete the installation of libtool libraries. + +Each LIBDIR is a directory that contains libtool libraries. + +The commands that this mode executes may require superuser privileges. Use +the '--dry-run' option if you just want to see what would be executed." + ;; + + install) + $ECHO \ +"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... + +Install executables or libraries. + +INSTALL-COMMAND is the installation command. The first component should be +either the 'install' or 'cp' program. + +The following components of INSTALL-COMMAND are treated specially: + + -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation + +The rest of the components are interpreted as arguments to that command (only +BSD-compatible install options are recognized)." + ;; + + link) + $ECHO \ +"Usage: $progname [OPTION]... --mode=link LINK-COMMAND... + +Link object files or libraries together to form another library, or to +create an executable program. + +LINK-COMMAND is a command using the C compiler that you would use to create +a program from several object files. + +The following components of LINK-COMMAND are treated specially: + + -all-static do not do any dynamic linking at all + -avoid-version do not add a version suffix if possible + -bindir BINDIR specify path to binaries directory (for systems where + libraries must be found in the PATH setting at runtime) + -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime + -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols + -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) + -export-symbols SYMFILE + try to export only the symbols listed in SYMFILE + -export-symbols-regex REGEX + try to export only the symbols matching REGEX + -LLIBDIR search LIBDIR for required installed libraries + -lNAME OUTPUT-FILE requires the installed library libNAME + -module build a library that can dlopened + -no-fast-install disable the fast-install mode + -no-install link a not-installable executable + -no-undefined declare that a library does not refer to external symbols + -o OUTPUT-FILE create OUTPUT-FILE from the specified objects + -objectlist FILE use a list of object files found in FILE to specify objects + -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) + -precious-files-regex REGEX + don't remove output files matching REGEX + -release RELEASE specify package release information + -rpath LIBDIR the created library will eventually be installed in LIBDIR + -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries + -shared only do dynamic linking of libtool libraries + -shrext SUFFIX override the standard shared library file extension + -static do not do any dynamic linking of uninstalled libtool libraries + -static-libtool-libs + do not do any dynamic linking of libtool libraries + -version-info CURRENT[:REVISION[:AGE]] + specify library version info [each variable defaults to 0] + -weak LIBNAME declare that the target provides the LIBNAME interface + -Wc,FLAG + -Xcompiler FLAG pass linker-specific FLAG directly to the compiler + -Wl,FLAG + -Xlinker FLAG pass linker-specific FLAG directly to the linker + -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) + +All other options (arguments beginning with '-') are ignored. + +Every other argument is treated as a filename. Files ending in '.la' are +treated as uninstalled libtool libraries, other files are standard or library +object files. + +If the OUTPUT-FILE ends in '.la', then a libtool library is created, +only library objects ('.lo' files) may be specified, and '-rpath' is +required, except when creating a convenience library. + +If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created +using 'ar' and 'ranlib', or on Windows using 'lib'. + +If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file +is created, otherwise an executable program is created." + ;; + + uninstall) + $ECHO \ +"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... + +Remove libraries from an installation directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed +to RM. + +If FILE is a libtool library, all the files associated with it are deleted. +Otherwise, only FILE itself is deleted using RM." + ;; + + *) + func_fatal_help "invalid operation mode '$opt_mode'" + ;; + esac + + echo + $ECHO "Try '$progname --help' for more information about other modes." +} + +# Now that we've collected a possible --mode arg, show help if necessary +if $opt_help; then + if test : = "$opt_help"; then + func_mode_help + else + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + func_mode_help + done + } | $SED -n '1p; 2,$s/^Usage:/ or: /p' + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + echo + func_mode_help + done + } | + $SED '1d + /^When reporting/,/^Report/{ + H + d + } + $x + /information about other modes/d + /more detailed .*MODE/d + s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' + fi + exit $? +fi + + +# func_mode_execute arg... +func_mode_execute () +{ + $debug_cmd + + # The first argument is the command name. + cmd=$nonopt + test -z "$cmd" && \ + func_fatal_help "you must specify a COMMAND" + + # Handle -dlopen flags immediately. + for file in $opt_dlopen; do + test -f "$file" \ + || func_fatal_help "'$file' is not a file" + + dir= + case $file in + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "'$lib' is not a valid libtool archive" + + # Read the libtool library. + dlname= + library_names= + func_source "$file" + + # Skip this library if it cannot be dlopened. + if test -z "$dlname"; then + # Warn if it was a shared library. + test -n "$library_names" && \ + func_warning "'$file' was not linked with '-export-dynamic'" + continue + fi + + func_dirname "$file" "" "." + dir=$func_dirname_result + + if test -f "$dir/$objdir/$dlname"; then + func_append dir "/$objdir" + else + if test ! -f "$dir/$dlname"; then + func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" + fi + fi + ;; + + *.lo) + # Just add the directory containing the .lo file. + func_dirname "$file" "" "." + dir=$func_dirname_result + ;; + + *) + func_warning "'-dlopen' is ignored for non-libtool libraries and objects" + continue + ;; + esac + + # Get the absolute pathname. + absdir=`cd "$dir" && pwd` + test -n "$absdir" && dir=$absdir + + # Now add the directory to shlibpath_var. + if eval "test -z \"\$$shlibpath_var\""; then + eval "$shlibpath_var=\"\$dir\"" + else + eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" + fi + done + + # This variable tells wrapper scripts just to set shlibpath_var + # rather than running their programs. + libtool_execute_magic=$magic + + # Check if any of the arguments is a wrapper script. + args= + for file + do + case $file in + -* | *.la | *.lo ) ;; + *) + # Do a test to see if this is really a libtool program. + if func_ltwrapper_script_p "$file"; then + func_source "$file" + # Transform arg to wrapped name. + file=$progdir/$program + elif func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + func_source "$func_ltwrapper_scriptname_result" + # Transform arg to wrapped name. + file=$progdir/$program + fi + ;; + esac + # Quote arguments (to preserve shell metacharacters). + func_append_quoted args "$file" + done + + if $opt_dry_run; then + # Display what would be done. + if test -n "$shlibpath_var"; then + eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" + echo "export $shlibpath_var" + fi + $ECHO "$cmd$args" + exit $EXIT_SUCCESS + else + if test -n "$shlibpath_var"; then + # Export the shlibpath_var. + eval "export $shlibpath_var" + fi + + # Restore saved environment variables + for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES + do + eval "if test \"\${save_$lt_var+set}\" = set; then + $lt_var=\$save_$lt_var; export $lt_var + else + $lt_unset $lt_var + fi" + done + + # Now prepare to actually exec the command. + exec_cmd=\$cmd$args + fi +} + +test execute = "$opt_mode" && func_mode_execute ${1+"$@"} + + +# func_mode_finish arg... +func_mode_finish () +{ + $debug_cmd + + libs= + libdirs= + admincmds= + + for opt in "$nonopt" ${1+"$@"} + do + if test -d "$opt"; then + func_append libdirs " $opt" + + elif test -f "$opt"; then + if func_lalib_unsafe_p "$opt"; then + func_append libs " $opt" + else + func_warning "'$opt' is not a valid libtool archive" + fi + + else + func_fatal_error "invalid argument '$opt'" + fi + done + + if test -n "$libs"; then + if test -n "$lt_sysroot"; then + sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` + sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" + else + sysroot_cmd= + fi + + # Remove sysroot references + if $opt_dry_run; then + for lib in $libs; do + echo "removing references to $lt_sysroot and '=' prefixes from $lib" + done + else + tmpdir=`func_mktempdir` + for lib in $libs; do + $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ + > $tmpdir/tmp-la + mv -f $tmpdir/tmp-la $lib + done + ${RM}r "$tmpdir" + fi + fi + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + for libdir in $libdirs; do + if test -n "$finish_cmds"; then + # Do each command in the finish commands. + func_execute_cmds "$finish_cmds" 'admincmds="$admincmds +'"$cmd"'"' + fi + if test -n "$finish_eval"; then + # Do the single finish_eval. + eval cmds=\"$finish_eval\" + $opt_dry_run || eval "$cmds" || func_append admincmds " + $cmds" + fi + done + fi + + # Exit here if they wanted silent mode. + $opt_quiet && exit $EXIT_SUCCESS + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + echo "----------------------------------------------------------------------" + echo "Libraries have been installed in:" + for libdir in $libdirs; do + $ECHO " $libdir" + done + echo + echo "If you ever happen to want to link against installed libraries" + echo "in a given directory, LIBDIR, you must either use libtool, and" + echo "specify the full pathname of the library, or use the '-LLIBDIR'" + echo "flag during linking and do at least one of the following:" + if test -n "$shlibpath_var"; then + echo " - add LIBDIR to the '$shlibpath_var' environment variable" + echo " during execution" + fi + if test -n "$runpath_var"; then + echo " - add LIBDIR to the '$runpath_var' environment variable" + echo " during linking" + fi + if test -n "$hardcode_libdir_flag_spec"; then + libdir=LIBDIR + eval flag=\"$hardcode_libdir_flag_spec\" + + $ECHO " - use the '$flag' linker flag" + fi + if test -n "$admincmds"; then + $ECHO " - have your system administrator run these commands:$admincmds" + fi + if test -f /etc/ld.so.conf; then + echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" + fi + echo + + echo "See any operating system documentation about shared libraries for" + case $host in + solaris2.[6789]|solaris2.1[0-9]) + echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" + echo "pages." + ;; + *) + echo "more information, such as the ld(1) and ld.so(8) manual pages." + ;; + esac + echo "----------------------------------------------------------------------" + fi + exit $EXIT_SUCCESS +} + +test finish = "$opt_mode" && func_mode_finish ${1+"$@"} + + +# func_mode_install arg... +func_mode_install () +{ + $debug_cmd + + # There may be an optional sh(1) argument at the beginning of + # install_prog (especially on Windows NT). + if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || + # Allow the use of GNU shtool's install command. + case $nonopt in *shtool*) :;; *) false;; esac + then + # Aesthetically quote it. + func_quote_for_eval "$nonopt" + install_prog="$func_quote_for_eval_result " + arg=$1 + shift + else + install_prog= + arg=$nonopt + fi + + # The real first argument should be the name of the installation program. + # Aesthetically quote it. + func_quote_for_eval "$arg" + func_append install_prog "$func_quote_for_eval_result" + install_shared_prog=$install_prog + case " $install_prog " in + *[\\\ /]cp\ *) install_cp=: ;; + *) install_cp=false ;; + esac + + # We need to accept at least all the BSD install flags. + dest= + files= + opts= + prev= + install_type= + isdir=false + stripme= + no_mode=: + for arg + do + arg2= + if test -n "$dest"; then + func_append files " $dest" + dest=$arg + continue + fi + + case $arg in + -d) isdir=: ;; + -f) + if $install_cp; then :; else + prev=$arg + fi + ;; + -g | -m | -o) + prev=$arg + ;; + -s) + stripme=" -s" + continue + ;; + -*) + ;; + *) + # If the previous option needed an argument, then skip it. + if test -n "$prev"; then + if test X-m = "X$prev" && test -n "$install_override_mode"; then + arg2=$install_override_mode + no_mode=false + fi + prev= + else + dest=$arg + continue + fi + ;; + esac + + # Aesthetically quote the argument. + func_quote_for_eval "$arg" + func_append install_prog " $func_quote_for_eval_result" + if test -n "$arg2"; then + func_quote_for_eval "$arg2" + fi + func_append install_shared_prog " $func_quote_for_eval_result" + done + + test -z "$install_prog" && \ + func_fatal_help "you must specify an install program" + + test -n "$prev" && \ + func_fatal_help "the '$prev' option requires an argument" + + if test -n "$install_override_mode" && $no_mode; then + if $install_cp; then :; else + func_quote_for_eval "$install_override_mode" + func_append install_shared_prog " -m $func_quote_for_eval_result" + fi + fi + + if test -z "$files"; then + if test -z "$dest"; then + func_fatal_help "no file or destination specified" + else + func_fatal_help "you must specify a destination" + fi + fi + + # Strip any trailing slash from the destination. + func_stripname '' '/' "$dest" + dest=$func_stripname_result + + # Check to see that the destination is a directory. + test -d "$dest" && isdir=: + if $isdir; then + destdir=$dest + destname= + else + func_dirname_and_basename "$dest" "" "." + destdir=$func_dirname_result + destname=$func_basename_result + + # Not a directory, so check to see that there is only one file specified. + set dummy $files; shift + test "$#" -gt 1 && \ + func_fatal_help "'$dest' is not a directory" + fi + case $destdir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + for file in $files; do + case $file in + *.lo) ;; + *) + func_fatal_help "'$destdir' must be an absolute directory name" + ;; + esac + done + ;; + esac + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic=$magic + + staticlibs= + future_libdirs= + current_libdirs= + for file in $files; do + + # Do each installation. + case $file in + *.$libext) + # Do the static libraries later. + func_append staticlibs " $file" + ;; + + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "'$file' is not a valid libtool archive" + + library_names= + old_library= + relink_command= + func_source "$file" + + # Add the libdir to current_libdirs if it is the destination. + if test "X$destdir" = "X$libdir"; then + case "$current_libdirs " in + *" $libdir "*) ;; + *) func_append current_libdirs " $libdir" ;; + esac + else + # Note the libdir as a future libdir. + case "$future_libdirs " in + *" $libdir "*) ;; + *) func_append future_libdirs " $libdir" ;; + esac + fi + + func_dirname "$file" "/" "" + dir=$func_dirname_result + func_append dir "$objdir" + + if test -n "$relink_command"; then + # Determine the prefix the user has applied to our future dir. + inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` + + # Don't allow the user to place us outside of our expected + # location b/c this prevents finding dependent libraries that + # are installed to the same prefix. + # At present, this check doesn't affect windows .dll's that + # are installed into $libdir/../bin (currently, that works fine) + # but it's something to keep an eye on. + test "$inst_prefix_dir" = "$destdir" && \ + func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" + + if test -n "$inst_prefix_dir"; then + # Stick the inst_prefix_dir data into the link command. + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` + else + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` + fi + + func_warning "relinking '$file'" + func_show_eval "$relink_command" \ + 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' + fi + + # See the names of the shared library. + set dummy $library_names; shift + if test -n "$1"; then + realname=$1 + shift + + srcname=$realname + test -n "$relink_command" && srcname=${realname}T + + # Install the shared library and build the symlinks. + func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ + 'exit $?' + tstripme=$stripme + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + case $realname in + *.dll.a) + tstripme= + ;; + esac + ;; + os2*) + case $realname in + *_dll.a) + tstripme= + ;; + esac + ;; + esac + if test -n "$tstripme" && test -n "$striplib"; then + func_show_eval "$striplib $destdir/$realname" 'exit $?' + fi + + if test "$#" -gt 0; then + # Delete the old symlinks, and create new ones. + # Try 'ln -sf' first, because the 'ln' binary might depend on + # the symlink we replace! Solaris /bin/ln does not understand -f, + # so we also need to try rm && ln -s. + for linkname + do + test "$linkname" != "$realname" \ + && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" + done + fi + + # Do each command in the postinstall commands. + lib=$destdir/$realname + func_execute_cmds "$postinstall_cmds" 'exit $?' + fi + + # Install the pseudo-library for information purposes. + func_basename "$file" + name=$func_basename_result + instname=$dir/${name}i + func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' + + # Maybe install the static library, too. + test -n "$old_library" && func_append staticlibs " $dir/$old_library" + ;; + + *.lo) + # Install (i.e. copy) a libtool object. + + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile=$destdir/$destname + else + func_basename "$file" + destfile=$func_basename_result + destfile=$destdir/$destfile + fi + + # Deduce the name of the destination old-style object file. + case $destfile in + *.lo) + func_lo2o "$destfile" + staticdest=$func_lo2o_result + ;; + *.$objext) + staticdest=$destfile + destfile= + ;; + *) + func_fatal_help "cannot copy a libtool object to '$destfile'" + ;; + esac + + # Install the libtool object if requested. + test -n "$destfile" && \ + func_show_eval "$install_prog $file $destfile" 'exit $?' + + # Install the old object if enabled. + if test yes = "$build_old_libs"; then + # Deduce the name of the old-style object file. + func_lo2o "$file" + staticobj=$func_lo2o_result + func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' + fi + exit $EXIT_SUCCESS + ;; + + *) + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile=$destdir/$destname + else + func_basename "$file" + destfile=$func_basename_result + destfile=$destdir/$destfile + fi + + # If the file is missing, and there is a .exe on the end, strip it + # because it is most likely a libtool script we actually want to + # install + stripped_ext= + case $file in + *.exe) + if test ! -f "$file"; then + func_stripname '' '.exe' "$file" + file=$func_stripname_result + stripped_ext=.exe + fi + ;; + esac + + # Do a test to see if this is really a libtool program. + case $host in + *cygwin* | *mingw*) + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + wrapper=$func_ltwrapper_scriptname_result + else + func_stripname '' '.exe' "$file" + wrapper=$func_stripname_result + fi + ;; + *) + wrapper=$file + ;; + esac + if func_ltwrapper_script_p "$wrapper"; then + notinst_deplibs= + relink_command= + + func_source "$wrapper" + + # Check the variables that should have been set. + test -z "$generated_by_libtool_version" && \ + func_fatal_error "invalid libtool wrapper script '$wrapper'" + + finalize=: + for lib in $notinst_deplibs; do + # Check to see that each library is installed. + libdir= + if test -f "$lib"; then + func_source "$lib" + fi + libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` + if test -n "$libdir" && test ! -f "$libfile"; then + func_warning "'$lib' has not been installed in '$libdir'" + finalize=false + fi + done + + relink_command= + func_source "$wrapper" + + outputname= + if test no = "$fast_install" && test -n "$relink_command"; then + $opt_dry_run || { + if $finalize; then + tmpdir=`func_mktempdir` + func_basename "$file$stripped_ext" + file=$func_basename_result + outputname=$tmpdir/$file + # Replace the output file specification. + relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` + + $opt_quiet || { + func_quote_for_expand "$relink_command" + eval "func_echo $func_quote_for_expand_result" + } + if eval "$relink_command"; then : + else + func_error "error: relink '$file' with the above command before installing it" + $opt_dry_run || ${RM}r "$tmpdir" + continue + fi + file=$outputname + else + func_warning "cannot relink '$file'" + fi + } + else + # Install the binary that we compiled earlier. + file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` + fi + fi + + # remove .exe since cygwin /usr/bin/install will append another + # one anyway + case $install_prog,$host in + */usr/bin/install*,*cygwin*) + case $file:$destfile in + *.exe:*.exe) + # this is ok + ;; + *.exe:*) + destfile=$destfile.exe + ;; + *:*.exe) + func_stripname '' '.exe' "$destfile" + destfile=$func_stripname_result + ;; + esac + ;; + esac + func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' + $opt_dry_run || if test -n "$outputname"; then + ${RM}r "$tmpdir" + fi + ;; + esac + done + + for file in $staticlibs; do + func_basename "$file" + name=$func_basename_result + + # Set up the ranlib parameters. + oldlib=$destdir/$name + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + + func_show_eval "$install_prog \$file \$oldlib" 'exit $?' + + if test -n "$stripme" && test -n "$old_striplib"; then + func_show_eval "$old_striplib $tool_oldlib" 'exit $?' + fi + + # Do each command in the postinstall commands. + func_execute_cmds "$old_postinstall_cmds" 'exit $?' + done + + test -n "$future_libdirs" && \ + func_warning "remember to run '$progname --finish$future_libdirs'" + + if test -n "$current_libdirs"; then + # Maybe just do a dry run. + $opt_dry_run && current_libdirs=" -n$current_libdirs" + exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' + else + exit $EXIT_SUCCESS + fi +} + +test install = "$opt_mode" && func_mode_install ${1+"$@"} + + +# func_generate_dlsyms outputname originator pic_p +# Extract symbols from dlprefiles and create ${outputname}S.o with +# a dlpreopen symbol table. +func_generate_dlsyms () +{ + $debug_cmd + + my_outputname=$1 + my_originator=$2 + my_pic_p=${3-false} + my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` + my_dlsyms= + + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + if test -n "$NM" && test -n "$global_symbol_pipe"; then + my_dlsyms=${my_outputname}S.c + else + func_error "not configured to extract global symbols from dlpreopened files" + fi + fi + + if test -n "$my_dlsyms"; then + case $my_dlsyms in + "") ;; + *.c) + # Discover the nlist of each of the dlfiles. + nlist=$output_objdir/$my_outputname.nm + + func_show_eval "$RM $nlist ${nlist}S ${nlist}T" + + # Parse the name list into a source file. + func_verbose "creating $output_objdir/$my_dlsyms" + + $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ +/* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ +/* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ + +#ifdef __cplusplus +extern \"C\" { +#endif + +#if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#endif + +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) + +/* External symbol declarations for the compiler. */\ +" + + if test yes = "$dlself"; then + func_verbose "generating symbol list for '$output'" + + $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" + + # Add our own program objects to the symbol list. + progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` + for progfile in $progfiles; do + func_to_tool_file "$progfile" func_convert_file_msys_to_w32 + func_verbose "extracting global C symbols from '$func_to_tool_file_result'" + $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" + done + + if test -n "$exclude_expsyms"; then + $opt_dry_run || { + eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + if test -n "$export_symbols_regex"; then + $opt_dry_run || { + eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + export_symbols=$output_objdir/$outputname.exp + $opt_dry_run || { + $RM $export_symbols + eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' + ;; + esac + } + else + $opt_dry_run || { + eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' + eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' + ;; + esac + } + fi + fi + + for dlprefile in $dlprefiles; do + func_verbose "extracting global C symbols from '$dlprefile'" + func_basename "$dlprefile" + name=$func_basename_result + case $host in + *cygwin* | *mingw* | *cegcc* ) + # if an import library, we need to obtain dlname + if func_win32_import_lib_p "$dlprefile"; then + func_tr_sh "$dlprefile" + eval "curr_lafile=\$libfile_$func_tr_sh_result" + dlprefile_dlbasename= + if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then + # Use subshell, to avoid clobbering current variable values + dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` + if test -n "$dlprefile_dlname"; then + func_basename "$dlprefile_dlname" + dlprefile_dlbasename=$func_basename_result + else + # no lafile. user explicitly requested -dlpreopen . + $sharedlib_from_linklib_cmd "$dlprefile" + dlprefile_dlbasename=$sharedlib_from_linklib_result + fi + fi + $opt_dry_run || { + if test -n "$dlprefile_dlbasename"; then + eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' + else + func_warning "Could not compute DLL name from $name" + eval '$ECHO ": $name " >> "$nlist"' + fi + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | + $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" + } + else # not an import lib + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + fi + ;; + *) + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + ;; + esac + done + + $opt_dry_run || { + # Make sure we have at least an empty file. + test -f "$nlist" || : > "$nlist" + + if test -n "$exclude_expsyms"; then + $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T + $MV "$nlist"T "$nlist" + fi + + # Try sorting and uniquifying the output. + if $GREP -v "^: " < "$nlist" | + if sort -k 3 /dev/null 2>&1; then + sort -k 3 + else + sort +2 + fi | + uniq > "$nlist"S; then + : + else + $GREP -v "^: " < "$nlist" > "$nlist"S + fi + + if test -f "$nlist"S; then + eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' + else + echo '/* NONE */' >> "$output_objdir/$my_dlsyms" + fi + + func_show_eval '$RM "${nlist}I"' + if test -n "$global_symbol_to_import"; then + eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' + fi + + echo >> "$output_objdir/$my_dlsyms" "\ + +/* The mapping between symbol names and symbols. */ +typedef struct { + const char *name; + void *address; +} lt_dlsymlist; +extern LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[];\ +" + + if test -s "$nlist"I; then + echo >> "$output_objdir/$my_dlsyms" "\ +static void lt_syminit(void) +{ + LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; + for (; symbol->name; ++symbol) + {" + $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" + echo >> "$output_objdir/$my_dlsyms" "\ + } +}" + fi + echo >> "$output_objdir/$my_dlsyms" "\ +LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[] = +{ {\"$my_originator\", (void *) 0}," + + if test -s "$nlist"I; then + echo >> "$output_objdir/$my_dlsyms" "\ + {\"@INIT@\", (void *) <_syminit}," + fi + + case $need_lib_prefix in + no) + eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + *) + eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + esac + echo >> "$output_objdir/$my_dlsyms" "\ + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt_${my_prefix}_LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif\ +" + } # !$opt_dry_run + + pic_flag_for_symtable= + case "$compile_command " in + *" -static "*) ;; + *) + case $host in + # compiling the symbol table file with pic_flag works around + # a FreeBSD bug that causes programs to crash when -lm is + # linked before any other PIC object. But we must not use + # pic_flag when linking with -static. The problem exists in + # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. + *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) + pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; + *-*-hpux*) + pic_flag_for_symtable=" $pic_flag" ;; + *) + $my_pic_p && pic_flag_for_symtable=" $pic_flag" + ;; + esac + ;; + esac + symtab_cflags= + for arg in $LTCFLAGS; do + case $arg in + -pie | -fpie | -fPIE) ;; + *) func_append symtab_cflags " $arg" ;; + esac + done + + # Now compile the dynamic symbol file. + func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' + + # Clean up the generated files. + func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' + + # Transform the symbol file into the correct name. + symfileobj=$output_objdir/${my_outputname}S.$objext + case $host in + *cygwin* | *mingw* | *cegcc* ) + if test -f "$output_objdir/$my_outputname.def"; then + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + else + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + fi + ;; + *) + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + ;; + esac + ;; + *) + func_fatal_error "unknown suffix for '$my_dlsyms'" + ;; + esac + else + # We keep going just in case the user didn't refer to + # lt_preloaded_symbols. The linker will fail if global_symbol_pipe + # really was required. + + # Nullify the symbol file. + compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` + fi +} + +# func_cygming_gnu_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is a GNU/binutils-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_gnu_implib_p () +{ + $debug_cmd + + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` + test -n "$func_cygming_gnu_implib_tmp" +} + +# func_cygming_ms_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is an MS-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_ms_implib_p () +{ + $debug_cmd + + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` + test -n "$func_cygming_ms_implib_tmp" +} + +# func_win32_libid arg +# return the library type of file 'arg' +# +# Need a lot of goo to handle *both* DLLs and import libs +# Has to be a shell function in order to 'eat' the argument +# that is supplied when $file_magic_command is called. +# Despite the name, also deal with 64 bit binaries. +func_win32_libid () +{ + $debug_cmd + + win32_libid_type=unknown + win32_fileres=`file -L $1 2>/dev/null` + case $win32_fileres in + *ar\ archive\ import\ library*) # definitely import + win32_libid_type="x86 archive import" + ;; + *ar\ archive*) # could be an import, or static + # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. + if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | + $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then + case $nm_interface in + "MS dumpbin") + if func_cygming_ms_implib_p "$1" || + func_cygming_gnu_implib_p "$1" + then + win32_nmres=import + else + win32_nmres= + fi + ;; + *) + func_to_tool_file "$1" func_convert_file_msys_to_w32 + win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | + $SED -n -e ' + 1,100{ + / I /{ + s|.*|import| + p + q + } + }'` + ;; + esac + case $win32_nmres in + import*) win32_libid_type="x86 archive import";; + *) win32_libid_type="x86 archive static";; + esac + fi + ;; + *DLL*) + win32_libid_type="x86 DLL" + ;; + *executable*) # but shell scripts are "executable" too... + case $win32_fileres in + *MS\ Windows\ PE\ Intel*) + win32_libid_type="x86 DLL" + ;; + esac + ;; + esac + $ECHO "$win32_libid_type" +} + +# func_cygming_dll_for_implib ARG +# +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib () +{ + $debug_cmd + + sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` +} + +# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs +# +# The is the core of a fallback implementation of a +# platform-specific function to extract the name of the +# DLL associated with the specified import library LIBNAME. +# +# SECTION_NAME is either .idata$6 or .idata$7, depending +# on the platform and compiler that created the implib. +# +# Echos the name of the DLL associated with the +# specified import library. +func_cygming_dll_for_implib_fallback_core () +{ + $debug_cmd + + match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` + $OBJDUMP -s --section "$1" "$2" 2>/dev/null | + $SED '/^Contents of section '"$match_literal"':/{ + # Place marker at beginning of archive member dllname section + s/.*/====MARK====/ + p + d + } + # These lines can sometimes be longer than 43 characters, but + # are always uninteresting + /:[ ]*file format pe[i]\{,1\}-/d + /^In archive [^:]*:/d + # Ensure marker is printed + /^====MARK====/p + # Remove all lines with less than 43 characters + /^.\{43\}/!d + # From remaining lines, remove first 43 characters + s/^.\{43\}//' | + $SED -n ' + # Join marker and all lines until next marker into a single line + /^====MARK====/ b para + H + $ b para + b + :para + x + s/\n//g + # Remove the marker + s/^====MARK====// + # Remove trailing dots and whitespace + s/[\. \t]*$// + # Print + /./p' | + # we now have a list, one entry per line, of the stringified + # contents of the appropriate section of all members of the + # archive that possess that section. Heuristic: eliminate + # all those that have a first or second character that is + # a '.' (that is, objdump's representation of an unprintable + # character.) This should work for all archives with less than + # 0x302f exports -- but will fail for DLLs whose name actually + # begins with a literal '.' or a single character followed by + # a '.'. + # + # Of those that remain, print the first one. + $SED -e '/^\./d;/^.\./d;q' +} + +# func_cygming_dll_for_implib_fallback ARG +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# +# This fallback implementation is for use when $DLLTOOL +# does not support the --identify-strict option. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib_fallback () +{ + $debug_cmd + + if func_cygming_gnu_implib_p "$1"; then + # binutils import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` + elif func_cygming_ms_implib_p "$1"; then + # ms-generated import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` + else + # unknown + sharedlib_from_linklib_result= + fi +} + + +# func_extract_an_archive dir oldlib +func_extract_an_archive () +{ + $debug_cmd + + f_ex_an_ar_dir=$1; shift + f_ex_an_ar_oldlib=$1 + if test yes = "$lock_old_archive_extraction"; then + lockfile=$f_ex_an_ar_oldlib.lock + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + fi + func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ + 'stat=$?; rm -f "$lockfile"; exit $stat' + if test yes = "$lock_old_archive_extraction"; then + $opt_dry_run || rm -f "$lockfile" + fi + if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then + : + else + func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" + fi +} + + +# func_extract_archives gentop oldlib ... +func_extract_archives () +{ + $debug_cmd + + my_gentop=$1; shift + my_oldlibs=${1+"$@"} + my_oldobjs= + my_xlib= + my_xabs= + my_xdir= + + for my_xlib in $my_oldlibs; do + # Extract the objects. + case $my_xlib in + [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; + *) my_xabs=`pwd`"/$my_xlib" ;; + esac + func_basename "$my_xlib" + my_xlib=$func_basename_result + my_xlib_u=$my_xlib + while :; do + case " $extracted_archives " in + *" $my_xlib_u "*) + func_arith $extracted_serial + 1 + extracted_serial=$func_arith_result + my_xlib_u=lt$extracted_serial-$my_xlib ;; + *) break ;; + esac + done + extracted_archives="$extracted_archives $my_xlib_u" + my_xdir=$my_gentop/$my_xlib_u + + func_mkdir_p "$my_xdir" + + case $host in + *-darwin*) + func_verbose "Extracting $my_xabs" + # Do not bother doing anything if just a dry run + $opt_dry_run || { + darwin_orig_dir=`pwd` + cd $my_xdir || exit $? + darwin_archive=$my_xabs + darwin_curdir=`pwd` + func_basename "$darwin_archive" + darwin_base_archive=$func_basename_result + darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` + if test -n "$darwin_arches"; then + darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` + darwin_arch= + func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" + for darwin_arch in $darwin_arches; do + func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" + $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" + cd "unfat-$$/$darwin_base_archive-$darwin_arch" + func_extract_an_archive "`pwd`" "$darwin_base_archive" + cd "$darwin_curdir" + $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" + done # $darwin_arches + ## Okay now we've a bunch of thin objects, gotta fatten them up :) + darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` + darwin_file= + darwin_files= + for darwin_file in $darwin_filelist; do + darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` + $LIPO -create -output "$darwin_file" $darwin_files + done # $darwin_filelist + $RM -rf unfat-$$ + cd "$darwin_orig_dir" + else + cd $darwin_orig_dir + func_extract_an_archive "$my_xdir" "$my_xabs" + fi # $darwin_arches + } # !$opt_dry_run + ;; + *) + func_extract_an_archive "$my_xdir" "$my_xabs" + ;; + esac + my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` + done + + func_extract_archives_result=$my_oldobjs +} + + +# func_emit_wrapper [arg=no] +# +# Emit a libtool wrapper script on stdout. +# Don't directly open a file because we may want to +# incorporate the script contents within a cygwin/mingw +# wrapper executable. Must ONLY be called from within +# func_mode_link because it depends on a number of variables +# set therein. +# +# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR +# variable will take. If 'yes', then the emitted script +# will assume that the directory where it is stored is +# the $objdir directory. This is a cygwin/mingw-specific +# behavior. +func_emit_wrapper () +{ + func_emit_wrapper_arg1=${1-no} + + $ECHO "\ +#! $SHELL + +# $output - temporary wrapper script for $objdir/$outputname +# Generated by $PROGRAM (GNU $PACKAGE) $VERSION +# +# The $output program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='$sed_quote_subst' + +# Be Bourne compatible +if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=\"$relink_command\" + +# This environment variable determines our operation mode. +if test \"\$libtool_install_magic\" = \"$magic\"; then + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' + notinst_deplibs='$notinst_deplibs' +else + # When we are sourced in execute mode, \$file and \$ECHO are already set. + if test \"\$libtool_execute_magic\" != \"$magic\"; then + file=\"\$0\"" + + qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` + $ECHO "\ + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + ECHO=\"$qECHO\" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ that is used only on +# windows platforms, and (c) all begin with the string "--lt-" +# (application programs are unlikely to have options that match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's $0 value, followed by "$@". +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=\$0 + shift + for lt_opt + do + case \"\$lt_opt\" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` + test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. + lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` + cat \"\$lt_dump_D/\$lt_dump_F\" + exit 0 + ;; + --lt-*) + \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n \"\$lt_option_debug\"; then + echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" + lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ +" + case $host in + # Backslashes separate directories on plain windows + *-*-mingw | *-*-os2* | *-cegcc*) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} +" + ;; + + *) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir/\$program\" \${1+\"\$@\"} +" + ;; + esac + $ECHO "\ + \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from \$@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + case \" \$* \" in + *\\ --lt-*) + for lt_wr_arg + do + case \$lt_wr_arg in + --lt-*) ;; + *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; + esac + shift + done ;; + esac + func_exec_program_core \${1+\"\$@\"} +} + + # Parse options + func_parse_lt_options \"\$0\" \${1+\"\$@\"} + + # Find the directory that this script lives in. + thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` + test \"x\$thisdir\" = \"x\$file\" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` + while test -n \"\$file\"; do + destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` + + # If there was a directory component, then change thisdir. + if test \"x\$destdir\" != \"x\$file\"; then + case \"\$destdir\" in + [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; + *) thisdir=\"\$thisdir/\$destdir\" ;; + esac + fi + + file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` + file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 + if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then + # special case for '.' + if test \"\$thisdir\" = \".\"; then + thisdir=\`pwd\` + fi + # remove .libs from thisdir + case \"\$thisdir\" in + *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; + $objdir ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=\`cd \"\$thisdir\" && pwd\` + test -n \"\$absdir\" && thisdir=\"\$absdir\" +" + + if test yes = "$fast_install"; then + $ECHO "\ + program=lt-'$outputname'$exeext + progdir=\"\$thisdir/$objdir\" + + if test ! -f \"\$progdir/\$program\" || + { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ + test \"X\$file\" != \"X\$progdir/\$program\"; }; then + + file=\"\$\$-\$program\" + + if test ! -d \"\$progdir\"; then + $MKDIR \"\$progdir\" + else + $RM \"\$progdir/\$file\" + fi" + + $ECHO "\ + + # relink executable if necessary + if test -n \"\$relink_command\"; then + if relink_command_output=\`eval \$relink_command 2>&1\`; then : + else + \$ECHO \"\$relink_command_output\" >&2 + $RM \"\$progdir/\$file\" + exit 1 + fi + fi + + $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || + { $RM \"\$progdir/\$program\"; + $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } + $RM \"\$progdir/\$file\" + fi" + else + $ECHO "\ + program='$outputname' + progdir=\"\$thisdir/$objdir\" +" + fi + + $ECHO "\ + + if test -f \"\$progdir/\$program\"; then" + + # fixup the dll searchpath if we need to. + # + # Fix the DLL searchpath if we need to. Do this before prepending + # to shlibpath, because on Windows, both are PATH and uninstalled + # libraries must come first. + if test -n "$dllsearchpath"; then + $ECHO "\ + # Add the dll search path components to the executable PATH + PATH=$dllsearchpath:\$PATH +" + fi + + # Export our shlibpath_var if we have one. + if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then + $ECHO "\ + # Add our own library path to $shlibpath_var + $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" + + # Some systems cannot cope with colon-terminated $shlibpath_var + # The second colon is a workaround for a bug in BeOS R4 sed + $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` + + export $shlibpath_var +" + fi + + $ECHO "\ + if test \"\$libtool_execute_magic\" != \"$magic\"; then + # Run the actual program with our arguments. + func_exec_program \${1+\"\$@\"} + fi + else + # The program doesn't exist. + \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 + \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 + \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 + exit 1 + fi +fi\ +" +} + + +# func_emit_cwrapperexe_src +# emit the source code for a wrapper executable on stdout +# Must ONLY be called from within func_mode_link because +# it depends on a number of variable set therein. +func_emit_cwrapperexe_src () +{ + cat < +#include +#ifdef _MSC_VER +# include +# include +# include +#else +# include +# include +# ifdef __CYGWIN__ +# include +# endif +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) + +/* declarations of non-ANSI functions */ +#if defined __MINGW32__ +# ifdef __STRICT_ANSI__ +int _putenv (const char *); +# endif +#elif defined __CYGWIN__ +# ifdef __STRICT_ANSI__ +char *realpath (const char *, char *); +int putenv (char *); +int setenv (const char *, const char *, int); +# endif +/* #elif defined other_platform || defined ... */ +#endif + +/* portability defines, excluding path handling macros */ +#if defined _MSC_VER +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +# define S_IXUSR _S_IEXEC +#elif defined __MINGW32__ +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +#elif defined __CYGWIN__ +# define HAVE_SETENV +# define FOPEN_WB "wb" +/* #elif defined other platforms ... */ +#endif + +#if defined PATH_MAX +# define LT_PATHMAX PATH_MAX +#elif defined MAXPATHLEN +# define LT_PATHMAX MAXPATHLEN +#else +# define LT_PATHMAX 1024 +#endif + +#ifndef S_IXOTH +# define S_IXOTH 0 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0 +#endif + +/* path handling portability macros */ +#ifndef DIR_SEPARATOR +# define DIR_SEPARATOR '/' +# define PATH_SEPARATOR ':' +#endif + +#if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ + defined __OS2__ +# define HAVE_DOS_BASED_FILE_SYSTEM +# define FOPEN_WB "wb" +# ifndef DIR_SEPARATOR_2 +# define DIR_SEPARATOR_2 '\\' +# endif +# ifndef PATH_SEPARATOR_2 +# define PATH_SEPARATOR_2 ';' +# endif +#endif + +#ifndef DIR_SEPARATOR_2 +# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) +#else /* DIR_SEPARATOR_2 */ +# define IS_DIR_SEPARATOR(ch) \ + (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) +#endif /* DIR_SEPARATOR_2 */ + +#ifndef PATH_SEPARATOR_2 +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) +#else /* PATH_SEPARATOR_2 */ +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) +#endif /* PATH_SEPARATOR_2 */ + +#ifndef FOPEN_WB +# define FOPEN_WB "w" +#endif +#ifndef _O_BINARY +# define _O_BINARY 0 +#endif + +#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) +#define XFREE(stale) do { \ + if (stale) { free (stale); stale = 0; } \ +} while (0) + +#if defined LT_DEBUGWRAPPER +static int lt_debug = 1; +#else +static int lt_debug = 0; +#endif + +const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ + +void *xmalloc (size_t num); +char *xstrdup (const char *string); +const char *base_name (const char *name); +char *find_executable (const char *wrapper); +char *chase_symlinks (const char *pathspec); +int make_executable (const char *path); +int check_executable (const char *path); +char *strendzap (char *str, const char *pat); +void lt_debugprintf (const char *file, int line, const char *fmt, ...); +void lt_fatal (const char *file, int line, const char *message, ...); +static const char *nonnull (const char *s); +static const char *nonempty (const char *s); +void lt_setenv (const char *name, const char *value); +char *lt_extend_str (const char *orig_value, const char *add, int to_end); +void lt_update_exe_path (const char *name, const char *value); +void lt_update_lib_path (const char *name, const char *value); +char **prepare_spawn (char **argv); +void lt_dump_script (FILE *f); +EOF + + cat <= 0) + && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) + return 1; + else + return 0; +} + +int +make_executable (const char *path) +{ + int rval = 0; + struct stat st; + + lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", + nonempty (path)); + if ((!path) || (!*path)) + return 0; + + if (stat (path, &st) >= 0) + { + rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); + } + return rval; +} + +/* Searches for the full path of the wrapper. Returns + newly allocated full path name if found, NULL otherwise + Does not chase symlinks, even on platforms that support them. +*/ +char * +find_executable (const char *wrapper) +{ + int has_slash = 0; + const char *p; + const char *p_next; + /* static buffer for getcwd */ + char tmp[LT_PATHMAX + 1]; + size_t tmp_len; + char *concat_name; + + lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", + nonempty (wrapper)); + + if ((wrapper == NULL) || (*wrapper == '\0')) + return NULL; + + /* Absolute path? */ +#if defined HAVE_DOS_BASED_FILE_SYSTEM + if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + else + { +#endif + if (IS_DIR_SEPARATOR (wrapper[0])) + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } +#if defined HAVE_DOS_BASED_FILE_SYSTEM + } +#endif + + for (p = wrapper; *p; p++) + if (*p == '/') + { + has_slash = 1; + break; + } + if (!has_slash) + { + /* no slashes; search PATH */ + const char *path = getenv ("PATH"); + if (path != NULL) + { + for (p = path; *p; p = p_next) + { + const char *q; + size_t p_len; + for (q = p; *q; q++) + if (IS_PATH_SEPARATOR (*q)) + break; + p_len = (size_t) (q - p); + p_next = (*q == '\0' ? q : q + 1); + if (p_len == 0) + { + /* empty path: current directory */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = + XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + } + else + { + concat_name = + XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, p, p_len); + concat_name[p_len] = '/'; + strcpy (concat_name + p_len + 1, wrapper); + } + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + } + /* not found in PATH; assume curdir */ + } + /* Relative path | not found in path: prepend cwd */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + return NULL; +} + +char * +chase_symlinks (const char *pathspec) +{ +#ifndef S_ISLNK + return xstrdup (pathspec); +#else + char buf[LT_PATHMAX]; + struct stat s; + char *tmp_pathspec = xstrdup (pathspec); + char *p; + int has_symlinks = 0; + while (strlen (tmp_pathspec) && !has_symlinks) + { + lt_debugprintf (__FILE__, __LINE__, + "checking path component for symlinks: %s\n", + tmp_pathspec); + if (lstat (tmp_pathspec, &s) == 0) + { + if (S_ISLNK (s.st_mode) != 0) + { + has_symlinks = 1; + break; + } + + /* search backwards for last DIR_SEPARATOR */ + p = tmp_pathspec + strlen (tmp_pathspec) - 1; + while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + p--; + if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + { + /* no more DIR_SEPARATORS left */ + break; + } + *p = '\0'; + } + else + { + lt_fatal (__FILE__, __LINE__, + "error accessing file \"%s\": %s", + tmp_pathspec, nonnull (strerror (errno))); + } + } + XFREE (tmp_pathspec); + + if (!has_symlinks) + { + return xstrdup (pathspec); + } + + tmp_pathspec = realpath (pathspec, buf); + if (tmp_pathspec == 0) + { + lt_fatal (__FILE__, __LINE__, + "could not follow symlinks for %s", pathspec); + } + return xstrdup (tmp_pathspec); +#endif +} + +char * +strendzap (char *str, const char *pat) +{ + size_t len, patlen; + + assert (str != NULL); + assert (pat != NULL); + + len = strlen (str); + patlen = strlen (pat); + + if (patlen <= len) + { + str += len - patlen; + if (STREQ (str, pat)) + *str = '\0'; + } + return str; +} + +void +lt_debugprintf (const char *file, int line, const char *fmt, ...) +{ + va_list args; + if (lt_debug) + { + (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); + va_start (args, fmt); + (void) vfprintf (stderr, fmt, args); + va_end (args); + } +} + +static void +lt_error_core (int exit_status, const char *file, + int line, const char *mode, + const char *message, va_list ap) +{ + fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); + vfprintf (stderr, message, ap); + fprintf (stderr, ".\n"); + + if (exit_status >= 0) + exit (exit_status); +} + +void +lt_fatal (const char *file, int line, const char *message, ...) +{ + va_list ap; + va_start (ap, message); + lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); + va_end (ap); +} + +static const char * +nonnull (const char *s) +{ + return s ? s : "(null)"; +} + +static const char * +nonempty (const char *s) +{ + return (s && !*s) ? "(empty)" : nonnull (s); +} + +void +lt_setenv (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_setenv) setting '%s' to '%s'\n", + nonnull (name), nonnull (value)); + { +#ifdef HAVE_SETENV + /* always make a copy, for consistency with !HAVE_SETENV */ + char *str = xstrdup (value); + setenv (name, str, 1); +#else + size_t len = strlen (name) + 1 + strlen (value) + 1; + char *str = XMALLOC (char, len); + sprintf (str, "%s=%s", name, value); + if (putenv (str) != EXIT_SUCCESS) + { + XFREE (str); + } +#endif + } +} + +char * +lt_extend_str (const char *orig_value, const char *add, int to_end) +{ + char *new_value; + if (orig_value && *orig_value) + { + size_t orig_value_len = strlen (orig_value); + size_t add_len = strlen (add); + new_value = XMALLOC (char, add_len + orig_value_len + 1); + if (to_end) + { + strcpy (new_value, orig_value); + strcpy (new_value + orig_value_len, add); + } + else + { + strcpy (new_value, add); + strcpy (new_value + add_len, orig_value); + } + } + else + { + new_value = xstrdup (add); + } + return new_value; +} + +void +lt_update_exe_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + /* some systems can't cope with a ':'-terminated path #' */ + size_t len = strlen (new_value); + while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) + { + new_value[--len] = '\0'; + } + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +void +lt_update_lib_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +EOF + case $host_os in + mingw*) + cat <<"EOF" + +/* Prepares an argument vector before calling spawn(). + Note that spawn() does not by itself call the command interpreter + (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : + ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&v); + v.dwPlatformId == VER_PLATFORM_WIN32_NT; + }) ? "cmd.exe" : "command.com"). + Instead it simply concatenates the arguments, separated by ' ', and calls + CreateProcess(). We must quote the arguments since Win32 CreateProcess() + interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a + special way: + - Space and tab are interpreted as delimiters. They are not treated as + delimiters if they are surrounded by double quotes: "...". + - Unescaped double quotes are removed from the input. Their only effect is + that within double quotes, space and tab are treated like normal + characters. + - Backslashes not followed by double quotes are not special. + - But 2*n+1 backslashes followed by a double quote become + n backslashes followed by a double quote (n >= 0): + \" -> " + \\\" -> \" + \\\\\" -> \\" + */ +#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +char ** +prepare_spawn (char **argv) +{ + size_t argc; + char **new_argv; + size_t i; + + /* Count number of arguments. */ + for (argc = 0; argv[argc] != NULL; argc++) + ; + + /* Allocate new argument vector. */ + new_argv = XMALLOC (char *, argc + 1); + + /* Put quoted arguments into the new argument vector. */ + for (i = 0; i < argc; i++) + { + const char *string = argv[i]; + + if (string[0] == '\0') + new_argv[i] = xstrdup ("\"\""); + else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) + { + int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); + size_t length; + unsigned int backslashes; + const char *s; + char *quoted_string; + char *p; + + length = 0; + backslashes = 0; + if (quote_around) + length++; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + length += backslashes + 1; + length++; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + length += backslashes + 1; + + quoted_string = XMALLOC (char, length + 1); + + p = quoted_string; + backslashes = 0; + if (quote_around) + *p++ = '"'; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + { + unsigned int j; + for (j = backslashes + 1; j > 0; j--) + *p++ = '\\'; + } + *p++ = c; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + { + unsigned int j; + for (j = backslashes; j > 0; j--) + *p++ = '\\'; + *p++ = '"'; + } + *p = '\0'; + + new_argv[i] = quoted_string; + } + else + new_argv[i] = (char *) string; + } + new_argv[argc] = NULL; + + return new_argv; +} +EOF + ;; + esac + + cat <<"EOF" +void lt_dump_script (FILE* f) +{ +EOF + func_emit_wrapper yes | + $SED -n -e ' +s/^\(.\{79\}\)\(..*\)/\1\ +\2/ +h +s/\([\\"]\)/\\\1/g +s/$/\\n/ +s/\([^\n]*\).*/ fputs ("\1", f);/p +g +D' + cat <<"EOF" +} +EOF +} +# end: func_emit_cwrapperexe_src + +# func_win32_import_lib_p ARG +# True if ARG is an import lib, as indicated by $file_magic_cmd +func_win32_import_lib_p () +{ + $debug_cmd + + case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in + *import*) : ;; + *) false ;; + esac +} + +# func_suncc_cstd_abi +# !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! +# Several compiler flags select an ABI that is incompatible with the +# Cstd library. Avoid specifying it if any are in CXXFLAGS. +func_suncc_cstd_abi () +{ + $debug_cmd + + case " $compile_command " in + *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) + suncc_use_cstd_abi=no + ;; + *) + suncc_use_cstd_abi=yes + ;; + esac +} + +# func_mode_link arg... +func_mode_link () +{ + $debug_cmd + + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + # It is impossible to link a dll without this setting, and + # we shouldn't force the makefile maintainer to figure out + # what system we are compiling for in order to pass an extra + # flag for every libtool invocation. + # allow_undefined=no + + # FIXME: Unfortunately, there are problems with the above when trying + # to make a dll that has undefined symbols, in which case not + # even a static library is built. For now, we need to specify + # -no-undefined on the libtool link line when we can be certain + # that all symbols are satisfied, otherwise we get a static library. + allow_undefined=yes + ;; + *) + allow_undefined=yes + ;; + esac + libtool_args=$nonopt + base_compile="$nonopt $@" + compile_command=$nonopt + finalize_command=$nonopt + + compile_rpath= + finalize_rpath= + compile_shlibpath= + finalize_shlibpath= + convenience= + old_convenience= + deplibs= + old_deplibs= + compiler_flags= + linker_flags= + dllsearchpath= + lib_search_path=`pwd` + inst_prefix_dir= + new_inherited_linker_flags= + + avoid_version=no + bindir= + dlfiles= + dlprefiles= + dlself=no + export_dynamic=no + export_symbols= + export_symbols_regex= + generated= + libobjs= + ltlibs= + module=no + no_install=no + objs= + os2dllname= + non_pic_objects= + precious_files_regex= + prefer_static_libs=no + preload=false + prev= + prevarg= + release= + rpath= + xrpath= + perm_rpath= + temp_rpath= + thread_safe=no + vinfo= + vinfo_number=no + weak_libs= + single_module=$wl-single_module + func_infer_tag $base_compile + + # We need to know -static, to get the right output filenames. + for arg + do + case $arg in + -shared) + test yes != "$build_libtool_libs" \ + && func_fatal_configuration "cannot build a shared library" + build_old_libs=no + break + ;; + -all-static | -static | -static-libtool-libs) + case $arg in + -all-static) + if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then + func_warning "complete static linking is impossible in this configuration" + fi + if test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + -static) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=built + ;; + -static-libtool-libs) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + esac + build_libtool_libs=no + build_old_libs=yes + break + ;; + esac + done + + # See if our shared archives depend on static archives. + test -n "$old_archive_from_new_cmds" && build_old_libs=yes + + # Go through the arguments, transforming them on the way. + while test "$#" -gt 0; do + arg=$1 + shift + func_quote_for_eval "$arg" + qarg=$func_quote_for_eval_unquoted_result + func_append libtool_args " $func_quote_for_eval_result" + + # If the previous option needs an argument, assign it. + if test -n "$prev"; then + case $prev in + output) + func_append compile_command " @OUTPUT@" + func_append finalize_command " @OUTPUT@" + ;; + esac + + case $prev in + bindir) + bindir=$arg + prev= + continue + ;; + dlfiles|dlprefiles) + $preload || { + # Add the symbol object into the linking commands. + func_append compile_command " @SYMFILE@" + func_append finalize_command " @SYMFILE@" + preload=: + } + case $arg in + *.la | *.lo) ;; # We handle these cases below. + force) + if test no = "$dlself"; then + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + self) + if test dlprefiles = "$prev"; then + dlself=yes + elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then + dlself=yes + else + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + *) + if test dlfiles = "$prev"; then + func_append dlfiles " $arg" + else + func_append dlprefiles " $arg" + fi + prev= + continue + ;; + esac + ;; + expsyms) + export_symbols=$arg + test -f "$arg" \ + || func_fatal_error "symbol file '$arg' does not exist" + prev= + continue + ;; + expsyms_regex) + export_symbols_regex=$arg + prev= + continue + ;; + framework) + case $host in + *-*-darwin*) + case "$deplibs " in + *" $qarg.ltframework "*) ;; + *) func_append deplibs " $qarg.ltframework" # this is fixed later + ;; + esac + ;; + esac + prev= + continue + ;; + inst_prefix) + inst_prefix_dir=$arg + prev= + continue + ;; + mllvm) + # Clang does not use LLVM to link, so we can simply discard any + # '-mllvm $arg' options when doing the link step. + prev= + continue + ;; + objectlist) + if test -f "$arg"; then + save_arg=$arg + moreargs= + for fil in `cat "$save_arg"` + do +# func_append moreargs " $fil" + arg=$fil + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test none = "$pic_object" && + test none = "$non_pic_object"; then + func_fatal_error "cannot find name of object for '$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + if test none != "$pic_object"; then + # Prepend the subdirectory the object is found in. + pic_object=$xdir$pic_object + + if test dlfiles = "$prev"; then + if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test dlprefiles = "$prev"; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg=$pic_object + fi + + # Non-PIC object. + if test none != "$non_pic_object"; then + # Prepend the subdirectory the object is found in. + non_pic_object=$xdir$non_pic_object + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test none = "$pic_object"; then + arg=$non_pic_object + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object=$pic_object + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "'$arg' is not a valid libtool object" + fi + fi + done + else + func_fatal_error "link input file '$arg' does not exist" + fi + arg=$save_arg + prev= + continue + ;; + os2dllname) + os2dllname=$arg + prev= + continue + ;; + precious_regex) + precious_files_regex=$arg + prev= + continue + ;; + release) + release=-$arg + prev= + continue + ;; + rpath | xrpath) + # We need an absolute path. + case $arg in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + if test rpath = "$prev"; then + case "$rpath " in + *" $arg "*) ;; + *) func_append rpath " $arg" ;; + esac + else + case "$xrpath " in + *" $arg "*) ;; + *) func_append xrpath " $arg" ;; + esac + fi + prev= + continue + ;; + shrext) + shrext_cmds=$arg + prev= + continue + ;; + weak) + func_append weak_libs " $arg" + prev= + continue + ;; + xcclinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xcompiler) + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xlinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $wl$qarg" + prev= + func_append compile_command " $wl$qarg" + func_append finalize_command " $wl$qarg" + continue + ;; + *) + eval "$prev=\"\$arg\"" + prev= + continue + ;; + esac + fi # test -n "$prev" + + prevarg=$arg + + case $arg in + -all-static) + if test -n "$link_static_flag"; then + # See comment for -static flag below, for more details. + func_append compile_command " $link_static_flag" + func_append finalize_command " $link_static_flag" + fi + continue + ;; + + -allow-undefined) + # FIXME: remove this flag sometime in the future. + func_fatal_error "'-allow-undefined' must not be used because it is the default" + ;; + + -avoid-version) + avoid_version=yes + continue + ;; + + -bindir) + prev=bindir + continue + ;; + + -dlopen) + prev=dlfiles + continue + ;; + + -dlpreopen) + prev=dlprefiles + continue + ;; + + -export-dynamic) + export_dynamic=yes + continue + ;; + + -export-symbols | -export-symbols-regex) + if test -n "$export_symbols" || test -n "$export_symbols_regex"; then + func_fatal_error "more than one -exported-symbols argument is not allowed" + fi + if test X-export-symbols = "X$arg"; then + prev=expsyms + else + prev=expsyms_regex + fi + continue + ;; + + -framework) + prev=framework + continue + ;; + + -inst-prefix-dir) + prev=inst_prefix + continue + ;; + + # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* + # so, if we see these flags be careful not to treat them like -L + -L[A-Z][A-Z]*:*) + case $with_gcc/$host in + no/*-*-irix* | /*-*-irix*) + func_append compile_command " $arg" + func_append finalize_command " $arg" + ;; + esac + continue + ;; + + -L*) + func_stripname "-L" '' "$arg" + if test -z "$func_stripname_result"; then + if test "$#" -gt 0; then + func_fatal_error "require no space between '-L' and '$1'" + else + func_fatal_error "need path for '-L' option" + fi + fi + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + absdir=`cd "$dir" && pwd` + test -z "$absdir" && \ + func_fatal_error "cannot determine absolute directory name of '$dir'" + dir=$absdir + ;; + esac + case "$deplibs " in + *" -L$dir "* | *" $arg "*) + # Will only happen for absolute or sysroot arguments + ;; + *) + # Preserve sysroot, but never include relative directories + case $dir in + [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; + *) func_append deplibs " -L$dir" ;; + esac + func_append lib_search_path " $dir" + ;; + esac + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$dir:"*) ;; + ::) dllsearchpath=$dir;; + *) func_append dllsearchpath ":$dir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + continue + ;; + + -l*) + if test X-lc = "X$arg" || test X-lm = "X$arg"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) + # These systems don't actually have a C or math library (as such) + continue + ;; + *-*-os2*) + # These systems don't actually have a C library (as such) + test X-lc = "X$arg" && continue + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) + # Do not include libc due to us having libc/libc_r. + test X-lc = "X$arg" && continue + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C and math libraries are in the System framework + func_append deplibs " System.ltframework" + continue + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + test X-lc = "X$arg" && continue + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + test X-lc = "X$arg" && continue + ;; + esac + elif test X-lc_r = "X$arg"; then + case $host in + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) + # Do not include libc_r directly, use -pthread flag. + continue + ;; + esac + fi + func_append deplibs " $arg" + continue + ;; + + -mllvm) + prev=mllvm + continue + ;; + + -module) + module=yes + continue + ;; + + # Tru64 UNIX uses -model [arg] to determine the layout of C++ + # classes, name mangling, and exception handling. + # Darwin uses the -arch flag to determine output architecture. + -model|-arch|-isysroot|--sysroot) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + prev=xcompiler + continue + ;; + + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case "$new_inherited_linker_flags " in + *" $arg "*) ;; + * ) func_append new_inherited_linker_flags " $arg" ;; + esac + continue + ;; + + -multi_module) + single_module=$wl-multi_module + continue + ;; + + -no-fast-install) + fast_install=no + continue + ;; + + -no-install) + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) + # The PATH hackery in wrapper scripts is required on Windows + # and Darwin in order for the loader to find any dlls it needs. + func_warning "'-no-install' is ignored for $host" + func_warning "assuming '-no-fast-install' instead" + fast_install=no + ;; + *) no_install=yes ;; + esac + continue + ;; + + -no-undefined) + allow_undefined=no + continue + ;; + + -objectlist) + prev=objectlist + continue + ;; + + -os2dllname) + prev=os2dllname + continue + ;; + + -o) prev=output ;; + + -precious-files-regex) + prev=precious_regex + continue + ;; + + -release) + prev=release + continue + ;; + + -rpath) + prev=rpath + continue + ;; + + -R) + prev=xrpath + continue + ;; + + -R*) + func_stripname '-R' '' "$arg" + dir=$func_stripname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + =*) + func_stripname '=' '' "$dir" + dir=$lt_sysroot$func_stripname_result + ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + continue + ;; + + -shared) + # The effects of -shared are defined in a previous loop. + continue + ;; + + -shrext) + prev=shrext + continue + ;; + + -static | -static-libtool-libs) + # The effects of -static are defined in a previous loop. + # We used to do the same as -all-static on platforms that + # didn't have a PIC flag, but the assumption that the effects + # would be equivalent was wrong. It would break on at least + # Digital Unix and AIX. + continue + ;; + + -thread-safe) + thread_safe=yes + continue + ;; + + -version-info) + prev=vinfo + continue + ;; + + -version-number) + prev=vinfo + vinfo_number=yes + continue + ;; + + -weak) + prev=weak + continue + ;; + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs=$IFS; IFS=, + for flag in $args; do + IFS=$save_ifs + func_quote_for_eval "$flag" + func_append arg " $func_quote_for_eval_result" + func_append compiler_flags " $func_quote_for_eval_result" + done + IFS=$save_ifs + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Wl,*) + func_stripname '-Wl,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs=$IFS; IFS=, + for flag in $args; do + IFS=$save_ifs + func_quote_for_eval "$flag" + func_append arg " $wl$func_quote_for_eval_result" + func_append compiler_flags " $wl$func_quote_for_eval_result" + func_append linker_flags " $func_quote_for_eval_result" + done + IFS=$save_ifs + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Xcompiler) + prev=xcompiler + continue + ;; + + -Xlinker) + prev=xlinker + continue + ;; + + -XCClinker) + prev=xcclinker + continue + ;; + + # -msg_* for osf cc + -msg_*) + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + ;; + + # Flags to be passed through unchanged, with rationale: + # -64, -mips[0-9] enable 64-bit mode for the SGI compiler + # -r[0-9][0-9]* specify processor for the SGI compiler + # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler + # +DA*, +DD* enable 64-bit mode for the HP compiler + # -q* compiler args for the IBM compiler + # -m*, -t[45]*, -txscale* architecture-specific flags for GCC + # -F/path path to uninstalled frameworks, gcc on darwin + # -p, -pg, --coverage, -fprofile-* profiling flags for GCC + # -fstack-protector* stack protector flags for GCC + # @file GCC response files + # -tp=* Portland pgcc target processor selection + # --sysroot=* for sysroot support + # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization + # -specs=* GCC specs files + # -stdlib=* select c++ std lib with clang + # -fsanitize=* Clang/GCC memory and address sanitizer + -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ + -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ + -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \ + -specs=*|-fsanitize=*) + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + func_append compile_command " $arg" + func_append finalize_command " $arg" + func_append compiler_flags " $arg" + continue + ;; + + -Z*) + if test os2 = "`expr $host : '.*\(os2\)'`"; then + # OS/2 uses -Zxxx to specify OS/2-specific options + compiler_flags="$compiler_flags $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case $arg in + -Zlinker | -Zstack) + prev=xcompiler + ;; + esac + continue + else + # Otherwise treat like 'Some other compiler flag' below + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + fi + ;; + + # Some other compiler flag. + -* | +*) + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + ;; + + *.$objext) + # A standard object. + func_append objs " $arg" + ;; + + *.lo) + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test none = "$pic_object" && + test none = "$non_pic_object"; then + func_fatal_error "cannot find name of object for '$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + test none = "$pic_object" || { + # Prepend the subdirectory the object is found in. + pic_object=$xdir$pic_object + + if test dlfiles = "$prev"; then + if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test dlprefiles = "$prev"; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg=$pic_object + } + + # Non-PIC object. + if test none != "$non_pic_object"; then + # Prepend the subdirectory the object is found in. + non_pic_object=$xdir$non_pic_object + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test none = "$pic_object"; then + arg=$non_pic_object + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object=$pic_object + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "'$arg' is not a valid libtool object" + fi + fi + ;; + + *.$libext) + # An archive. + func_append deplibs " $arg" + func_append old_deplibs " $arg" + continue + ;; + + *.la) + # A libtool-controlled library. + + func_resolve_sysroot "$arg" + if test dlfiles = "$prev"; then + # This library was specified with -dlopen. + func_append dlfiles " $func_resolve_sysroot_result" + prev= + elif test dlprefiles = "$prev"; then + # The library was specified with -dlpreopen. + func_append dlprefiles " $func_resolve_sysroot_result" + prev= + else + func_append deplibs " $func_resolve_sysroot_result" + fi + continue + ;; + + # Some other compiler argument. + *) + # Unknown arguments in both finalize_command and compile_command need + # to be aesthetically quoted because they are evaled later. + func_quote_for_eval "$arg" + arg=$func_quote_for_eval_result + ;; + esac # arg + + # Now actually substitute the argument into the commands. + if test -n "$arg"; then + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + done # argument parsing loop + + test -n "$prev" && \ + func_fatal_help "the '$prevarg' option requires an argument" + + if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then + eval arg=\"$export_dynamic_flag_spec\" + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + + oldlibs= + # calculate the name of the file, without its directory + func_basename "$output" + outputname=$func_basename_result + libobjs_save=$libobjs + + if test -n "$shlibpath_var"; then + # get the directories listed in $shlibpath_var + eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\` + else + shlib_search_path= + fi + eval sys_lib_search_path=\"$sys_lib_search_path_spec\" + eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" + + # Definition is injected by LT_CONFIG during libtool generation. + func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH" + + func_dirname "$output" "/" "" + output_objdir=$func_dirname_result$objdir + func_to_tool_file "$output_objdir/" + tool_output_objdir=$func_to_tool_file_result + # Create the object directory. + func_mkdir_p "$output_objdir" + + # Determine the type of output + case $output in + "") + func_fatal_help "you must specify an output file" + ;; + *.$libext) linkmode=oldlib ;; + *.lo | *.$objext) linkmode=obj ;; + *.la) linkmode=lib ;; + *) linkmode=prog ;; # Anything else should be a program. + esac + + specialdeplibs= + + libs= + # Find all interdependent deplibs by searching for libraries + # that are linked more than once (e.g. -la -lb -la) + for deplib in $deplibs; do + if $opt_preserve_dup_deps; then + case "$libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append libs " $deplib" + done + + if test lib = "$linkmode"; then + libs="$predeps $libs $compiler_lib_search_path $postdeps" + + # Compute libraries that are listed more than once in $predeps + # $postdeps and mark them as special (i.e., whose duplicates are + # not to be eliminated). + pre_post_deps= + if $opt_duplicate_compiler_generated_deps; then + for pre_post_dep in $predeps $postdeps; do + case "$pre_post_deps " in + *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; + esac + func_append pre_post_deps " $pre_post_dep" + done + fi + pre_post_deps= + fi + + deplibs= + newdependency_libs= + newlib_search_path= + need_relink=no # whether we're linking any uninstalled libtool libraries + notinst_deplibs= # not-installed libtool libraries + notinst_path= # paths that contain not-installed libtool libraries + + case $linkmode in + lib) + passes="conv dlpreopen link" + for file in $dlfiles $dlprefiles; do + case $file in + *.la) ;; + *) + func_fatal_help "libraries can '-dlopen' only libtool libraries: $file" + ;; + esac + done + ;; + prog) + compile_deplibs= + finalize_deplibs= + alldeplibs=false + newdlfiles= + newdlprefiles= + passes="conv scan dlopen dlpreopen link" + ;; + *) passes="conv" + ;; + esac + + for pass in $passes; do + # The preopen pass in lib mode reverses $deplibs; put it back here + # so that -L comes before libs that need it for instance... + if test lib,link = "$linkmode,$pass"; then + ## FIXME: Find the place where the list is rebuilt in the wrong + ## order, and fix it there properly + tmp_deplibs= + for deplib in $deplibs; do + tmp_deplibs="$deplib $tmp_deplibs" + done + deplibs=$tmp_deplibs + fi + + if test lib,link = "$linkmode,$pass" || + test prog,scan = "$linkmode,$pass"; then + libs=$deplibs + deplibs= + fi + if test prog = "$linkmode"; then + case $pass in + dlopen) libs=$dlfiles ;; + dlpreopen) libs=$dlprefiles ;; + link) + libs="$deplibs %DEPLIBS%" + test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" + ;; + esac + fi + if test lib,dlpreopen = "$linkmode,$pass"; then + # Collect and forward deplibs of preopened libtool libs + for lib in $dlprefiles; do + # Ignore non-libtool-libs + dependency_libs= + func_resolve_sysroot "$lib" + case $lib in + *.la) func_source "$func_resolve_sysroot_result" ;; + esac + + # Collect preopened libtool deplibs, except any this library + # has declared as weak libs + for deplib in $dependency_libs; do + func_basename "$deplib" + deplib_base=$func_basename_result + case " $weak_libs " in + *" $deplib_base "*) ;; + *) func_append deplibs " $deplib" ;; + esac + done + done + libs=$dlprefiles + fi + if test dlopen = "$pass"; then + # Collect dlpreopened libraries + save_deplibs=$deplibs + deplibs= + fi + + for deplib in $libs; do + lib= + found=false + case $deplib in + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append compiler_flags " $deplib" + if test lib = "$linkmode"; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -l*) + if test lib != "$linkmode" && test prog != "$linkmode"; then + func_warning "'-l' is ignored for archives/objects" + continue + fi + func_stripname '-l' '' "$deplib" + name=$func_stripname_result + if test lib = "$linkmode"; then + searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" + else + searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" + fi + for searchdir in $searchdirs; do + for search_ext in .la $std_shrext .so .a; do + # Search the libtool library + lib=$searchdir/lib$name$search_ext + if test -f "$lib"; then + if test .la = "$search_ext"; then + found=: + else + found=false + fi + break 2 + fi + done + done + if $found; then + # deplib is a libtool library + # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, + # We need to do some special things here, and not later. + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + case " $predeps $postdeps " in + *" $deplib "*) + if func_lalib_p "$lib"; then + library_names= + old_library= + func_source "$lib" + for l in $old_library $library_names; do + ll=$l + done + if test "X$ll" = "X$old_library"; then # only static version available + found=false + func_dirname "$lib" "" "." + ladir=$func_dirname_result + lib=$ladir/$old_library + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + fi + ;; + *) ;; + esac + fi + else + # deplib doesn't seem to be a libtool library + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + ;; # -l + *.ltframework) + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + if test lib = "$linkmode"; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -L*) + case $linkmode in + lib) + deplibs="$deplib $deplibs" + test conv = "$pass" && continue + newdependency_libs="$deplib $newdependency_libs" + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + prog) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + continue + fi + if test scan = "$pass"; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + *) + func_warning "'-L' is ignored for archives/objects" + ;; + esac # linkmode + continue + ;; # -L + -R*) + if test link = "$pass"; then + func_stripname '-R' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # Make sure the xrpath contains only unique directories. + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + fi + deplibs="$deplib $deplibs" + continue + ;; + *.la) + func_resolve_sysroot "$deplib" + lib=$func_resolve_sysroot_result + ;; + *.$libext) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + continue + fi + case $linkmode in + lib) + # Linking convenience modules into shared libraries is allowed, + # but linking other static libraries is non-portable. + case " $dlpreconveniencelibs " in + *" $deplib "*) ;; + *) + valid_a_lib=false + case $deplibs_check_method in + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ + | $EGREP "$match_pattern_regex" > /dev/null; then + valid_a_lib=: + fi + ;; + pass_all) + valid_a_lib=: + ;; + esac + if $valid_a_lib; then + echo + $ECHO "*** Warning: Linking the shared library $output against the" + $ECHO "*** static library $deplib is not portable!" + deplibs="$deplib $deplibs" + else + echo + $ECHO "*** Warning: Trying to link with static lib archive $deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because the file extensions .$libext of this argument makes me believe" + echo "*** that it is just a static archive that I should not use here." + fi + ;; + esac + continue + ;; + prog) + if test link != "$pass"; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + continue + ;; + esac # linkmode + ;; # *.$libext + *.lo | *.$objext) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + elif test prog = "$linkmode"; then + if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then + # If there is no dlopen support or we're linking statically, + # we need to preload. + func_append newdlprefiles " $deplib" + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append newdlfiles " $deplib" + fi + fi + continue + ;; + %DEPLIBS%) + alldeplibs=: + continue + ;; + esac # case $deplib + + $found || test -f "$lib" \ + || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'" + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$lib" \ + || func_fatal_error "'$lib' is not a valid libtool archive" + + func_dirname "$lib" "" "." + ladir=$func_dirname_result + + dlname= + dlopen= + dlpreopen= + libdir= + library_names= + old_library= + inherited_linker_flags= + # If the library was installed with an old release of libtool, + # it will not redefine variables installed, or shouldnotlink + installed=yes + shouldnotlink=no + avoidtemprpath= + + + # Read the .la file + func_source "$lib" + + # Convert "-framework foo" to "foo.ltframework" + if test -n "$inherited_linker_flags"; then + tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` + for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do + case " $new_inherited_linker_flags " in + *" $tmp_inherited_linker_flag "*) ;; + *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; + esac + done + fi + dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + if test lib,link = "$linkmode,$pass" || + test prog,scan = "$linkmode,$pass" || + { test prog != "$linkmode" && test lib != "$linkmode"; }; then + test -n "$dlopen" && func_append dlfiles " $dlopen" + test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" + fi + + if test conv = "$pass"; then + # Only check for convenience libraries + deplibs="$lib $deplibs" + if test -z "$libdir"; then + if test -z "$old_library"; then + func_fatal_error "cannot find name of link library for '$lib'" + fi + # It is a libtool convenience library, so add in its objects. + func_append convenience " $ladir/$objdir/$old_library" + func_append old_convenience " $ladir/$objdir/$old_library" + tmp_libs= + for deplib in $dependency_libs; do + deplibs="$deplib $deplibs" + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done + elif test prog != "$linkmode" && test lib != "$linkmode"; then + func_fatal_error "'$lib' is not a convenience library" + fi + continue + fi # $pass = conv + + + # Get the name of the library we link against. + linklib= + if test -n "$old_library" && + { test yes = "$prefer_static_libs" || + test built,no = "$prefer_static_libs,$installed"; }; then + linklib=$old_library + else + for l in $old_library $library_names; do + linklib=$l + done + fi + if test -z "$linklib"; then + func_fatal_error "cannot find name of link library for '$lib'" + fi + + # This library was specified with -dlopen. + if test dlopen = "$pass"; then + test -z "$libdir" \ + && func_fatal_error "cannot -dlopen a convenience library: '$lib'" + if test -z "$dlname" || + test yes != "$dlopen_support" || + test no = "$build_libtool_libs" + then + # If there is no dlname, no dlopen support or we're linking + # statically, we need to preload. We also need to preload any + # dependent libraries so libltdl's deplib preloader doesn't + # bomb out in the load deplibs phase. + func_append dlprefiles " $lib $dependency_libs" + else + func_append newdlfiles " $lib" + fi + continue + fi # $pass = dlopen + + # We need an absolute path. + case $ladir in + [\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;; + *) + abs_ladir=`cd "$ladir" && pwd` + if test -z "$abs_ladir"; then + func_warning "cannot determine absolute directory name of '$ladir'" + func_warning "passing it literally to the linker, although it might fail" + abs_ladir=$ladir + fi + ;; + esac + func_basename "$lib" + laname=$func_basename_result + + # Find the relevant object directory and library name. + if test yes = "$installed"; then + if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then + func_warning "library '$lib' was moved." + dir=$ladir + absdir=$abs_ladir + libdir=$abs_ladir + else + dir=$lt_sysroot$libdir + absdir=$lt_sysroot$libdir + fi + test yes = "$hardcode_automatic" && avoidtemprpath=yes + else + if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then + dir=$ladir + absdir=$abs_ladir + # Remove this search path later + func_append notinst_path " $abs_ladir" + else + dir=$ladir/$objdir + absdir=$abs_ladir/$objdir + # Remove this search path later + func_append notinst_path " $abs_ladir" + fi + fi # $installed = yes + func_stripname 'lib' '.la' "$laname" + name=$func_stripname_result + + # This library was specified with -dlpreopen. + if test dlpreopen = "$pass"; then + if test -z "$libdir" && test prog = "$linkmode"; then + func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'" + fi + case $host in + # special handling for platforms with PE-DLLs. + *cygwin* | *mingw* | *cegcc* ) + # Linker will automatically link against shared library if both + # static and shared are present. Therefore, ensure we extract + # symbols from the import library if a shared library is present + # (otherwise, the dlopen module name will be incorrect). We do + # this by putting the import library name into $newdlprefiles. + # We recover the dlopen module name by 'saving' the la file + # name in a special purpose variable, and (later) extracting the + # dlname from the la file. + if test -n "$dlname"; then + func_tr_sh "$dir/$linklib" + eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" + func_append newdlprefiles " $dir/$linklib" + else + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + fi + ;; + * ) + # Prefer using a static library (so that no silly _DYNAMIC symbols + # are required to link). + if test -n "$old_library"; then + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + # Otherwise, use the dlname, so that lt_dlopen finds it. + elif test -n "$dlname"; then + func_append newdlprefiles " $dir/$dlname" + else + func_append newdlprefiles " $dir/$linklib" + fi + ;; + esac + fi # $pass = dlpreopen + + if test -z "$libdir"; then + # Link the convenience library + if test lib = "$linkmode"; then + deplibs="$dir/$old_library $deplibs" + elif test prog,link = "$linkmode,$pass"; then + compile_deplibs="$dir/$old_library $compile_deplibs" + finalize_deplibs="$dir/$old_library $finalize_deplibs" + else + deplibs="$lib $deplibs" # used for prog,scan pass + fi + continue + fi + + + if test prog = "$linkmode" && test link != "$pass"; then + func_append newlib_search_path " $ladir" + deplibs="$lib $deplibs" + + linkalldeplibs=false + if test no != "$link_all_deplibs" || test -z "$library_names" || + test no = "$build_libtool_libs"; then + linkalldeplibs=: + fi + + tmp_libs= + for deplib in $dependency_libs; do + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + esac + # Need to link against all dependency_libs? + if $linkalldeplibs; then + deplibs="$deplib $deplibs" + else + # Need to hardcode shared library paths + # or/and link against static libraries + newdependency_libs="$deplib $newdependency_libs" + fi + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done # for deplib + continue + fi # $linkmode = prog... + + if test prog,link = "$linkmode,$pass"; then + if test -n "$library_names" && + { { test no = "$prefer_static_libs" || + test built,yes = "$prefer_static_libs,$installed"; } || + test -z "$old_library"; }; then + # We need to hardcode the library path + if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then + # Make sure the rpath contains only unique directories. + case $temp_rpath: in + *"$absdir:"*) ;; + *) func_append temp_rpath "$absdir:" ;; + esac + fi + + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi # $linkmode,$pass = prog,link... + + if $alldeplibs && + { test pass_all = "$deplibs_check_method" || + { test yes = "$build_libtool_libs" && + test -n "$library_names"; }; }; then + # We only need to search for static libraries + continue + fi + fi + + link_static=no # Whether the deplib will be linked statically + use_static_libs=$prefer_static_libs + if test built = "$use_static_libs" && test yes = "$installed"; then + use_static_libs=no + fi + if test -n "$library_names" && + { test no = "$use_static_libs" || test -z "$old_library"; }; then + case $host in + *cygwin* | *mingw* | *cegcc* | *os2*) + # No point in relinking DLLs because paths are not encoded + func_append notinst_deplibs " $lib" + need_relink=no + ;; + *) + if test no = "$installed"; then + func_append notinst_deplibs " $lib" + need_relink=yes + fi + ;; + esac + # This is a shared library + + # Warn about portability, can't link against -module's on some + # systems (darwin). Don't bleat about dlopened modules though! + dlopenmodule= + for dlpremoduletest in $dlprefiles; do + if test "X$dlpremoduletest" = "X$lib"; then + dlopenmodule=$dlpremoduletest + break + fi + done + if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then + echo + if test prog = "$linkmode"; then + $ECHO "*** Warning: Linking the executable $output against the loadable module" + else + $ECHO "*** Warning: Linking the shared library $output against the loadable module" + fi + $ECHO "*** $linklib is not portable!" + fi + if test lib = "$linkmode" && + test yes = "$hardcode_into_libs"; then + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi + + if test -n "$old_archive_from_expsyms_cmds"; then + # figure out the soname + set dummy $library_names + shift + realname=$1 + shift + libname=`eval "\\$ECHO \"$libname_spec\""` + # use dlname if we got it. it's perfectly good, no? + if test -n "$dlname"; then + soname=$dlname + elif test -n "$soname_spec"; then + # bleh windows + case $host in + *cygwin* | mingw* | *cegcc* | *os2*) + func_arith $current - $age + major=$func_arith_result + versuffix=-$major + ;; + esac + eval soname=\"$soname_spec\" + else + soname=$realname + fi + + # Make a new name for the extract_expsyms_cmds to use + soroot=$soname + func_basename "$soroot" + soname=$func_basename_result + func_stripname 'lib' '.dll' "$soname" + newlib=libimp-$func_stripname_result.a + + # If the library has no export list, then create one now + if test -f "$output_objdir/$soname-def"; then : + else + func_verbose "extracting exported symbol list from '$soname'" + func_execute_cmds "$extract_expsyms_cmds" 'exit $?' + fi + + # Create $newlib + if test -f "$output_objdir/$newlib"; then :; else + func_verbose "generating import library for '$soname'" + func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' + fi + # make sure the library variables are pointing to the new library + dir=$output_objdir + linklib=$newlib + fi # test -n "$old_archive_from_expsyms_cmds" + + if test prog = "$linkmode" || test relink != "$opt_mode"; then + add_shlibpath= + add_dir= + add= + lib_linked=yes + case $hardcode_action in + immediate | unsupported) + if test no = "$hardcode_direct"; then + add=$dir/$linklib + case $host in + *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;; + *-*-sysv4*uw2*) add_dir=-L$dir ;; + *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ + *-*-unixware7*) add_dir=-L$dir ;; + *-*-darwin* ) + # if the lib is a (non-dlopened) module then we cannot + # link against it, someone is ignoring the earlier warnings + if /usr/bin/file -L $add 2> /dev/null | + $GREP ": [^:]* bundle" >/dev/null; then + if test "X$dlopenmodule" != "X$lib"; then + $ECHO "*** Warning: lib $linklib is a module, not a shared library" + if test -z "$old_library"; then + echo + echo "*** And there doesn't seem to be a static archive available" + echo "*** The link will probably fail, sorry" + else + add=$dir/$old_library + fi + elif test -n "$old_library"; then + add=$dir/$old_library + fi + fi + esac + elif test no = "$hardcode_minus_L"; then + case $host in + *-*-sunos*) add_shlibpath=$dir ;; + esac + add_dir=-L$dir + add=-l$name + elif test no = "$hardcode_shlibpath_var"; then + add_shlibpath=$dir + add=-l$name + else + lib_linked=no + fi + ;; + relink) + if test yes = "$hardcode_direct" && + test no = "$hardcode_direct_absolute"; then + add=$dir/$linklib + elif test yes = "$hardcode_minus_L"; then + add_dir=-L$absdir + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add=-l$name + elif test yes = "$hardcode_shlibpath_var"; then + add_shlibpath=$dir + add=-l$name + else + lib_linked=no + fi + ;; + *) lib_linked=no ;; + esac + + if test yes != "$lib_linked"; then + func_fatal_configuration "unsupported hardcode properties" + fi + + if test -n "$add_shlibpath"; then + case :$compile_shlibpath: in + *":$add_shlibpath:"*) ;; + *) func_append compile_shlibpath "$add_shlibpath:" ;; + esac + fi + if test prog = "$linkmode"; then + test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" + test -n "$add" && compile_deplibs="$add $compile_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + if test yes != "$hardcode_direct" && + test yes != "$hardcode_minus_L" && + test yes = "$hardcode_shlibpath_var"; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + fi + fi + fi + + if test prog = "$linkmode" || test relink = "$opt_mode"; then + add_shlibpath= + add_dir= + add= + # Finalize command for both is simple: just hardcode it. + if test yes = "$hardcode_direct" && + test no = "$hardcode_direct_absolute"; then + add=$libdir/$linklib + elif test yes = "$hardcode_minus_L"; then + add_dir=-L$libdir + add=-l$name + elif test yes = "$hardcode_shlibpath_var"; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + add=-l$name + elif test yes = "$hardcode_automatic"; then + if test -n "$inst_prefix_dir" && + test -f "$inst_prefix_dir$libdir/$linklib"; then + add=$inst_prefix_dir$libdir/$linklib + else + add=$libdir/$linklib + fi + else + # We cannot seem to hardcode it, guess we'll fake it. + add_dir=-L$libdir + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add=-l$name + fi + + if test prog = "$linkmode"; then + test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" + test -n "$add" && finalize_deplibs="$add $finalize_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + fi + fi + elif test prog = "$linkmode"; then + # Here we assume that one of hardcode_direct or hardcode_minus_L + # is not unsupported. This is valid on all known static and + # shared platforms. + if test unsupported != "$hardcode_direct"; then + test -n "$old_library" && linklib=$old_library + compile_deplibs="$dir/$linklib $compile_deplibs" + finalize_deplibs="$dir/$linklib $finalize_deplibs" + else + compile_deplibs="-l$name -L$dir $compile_deplibs" + finalize_deplibs="-l$name -L$dir $finalize_deplibs" + fi + elif test yes = "$build_libtool_libs"; then + # Not a shared library + if test pass_all != "$deplibs_check_method"; then + # We're trying link a shared library against a static one + # but the system doesn't support it. + + # Just print a warning and add the library to dependency_libs so + # that the program can be linked against the static library. + echo + $ECHO "*** Warning: This system cannot link to static lib archive $lib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have." + if test yes = "$module"; then + echo "*** But as you try to build a module library, libtool will still create " + echo "*** a static module, that should work as long as the dlopening application" + echo "*** is linked with the -dlopen flag to resolve symbols at runtime." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using 'nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** 'nm' from GNU binutils and a full rebuild may help." + fi + if test no = "$build_old_libs"; then + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + else + deplibs="$dir/$old_library $deplibs" + link_static=yes + fi + fi # link shared/static library? + + if test lib = "$linkmode"; then + if test -n "$dependency_libs" && + { test yes != "$hardcode_into_libs" || + test yes = "$build_old_libs" || + test yes = "$link_static"; }; then + # Extract -R from dependency_libs + temp_deplibs= + for libdir in $dependency_libs; do + case $libdir in + -R*) func_stripname '-R' '' "$libdir" + temp_xrpath=$func_stripname_result + case " $xrpath " in + *" $temp_xrpath "*) ;; + *) func_append xrpath " $temp_xrpath";; + esac;; + *) func_append temp_deplibs " $libdir";; + esac + done + dependency_libs=$temp_deplibs + fi + + func_append newlib_search_path " $absdir" + # Link against this library + test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs" + # ... and its dependency_libs + tmp_libs= + for deplib in $dependency_libs; do + newdependency_libs="$deplib $newdependency_libs" + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result";; + *) func_resolve_sysroot "$deplib" ;; + esac + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $func_resolve_sysroot_result "*) + func_append specialdeplibs " $func_resolve_sysroot_result" ;; + esac + fi + func_append tmp_libs " $func_resolve_sysroot_result" + done + + if test no != "$link_all_deplibs"; then + # Add the search paths of all dependency libraries + for deplib in $dependency_libs; do + path= + case $deplib in + -L*) path=$deplib ;; + *.la) + func_resolve_sysroot "$deplib" + deplib=$func_resolve_sysroot_result + func_dirname "$deplib" "" "." + dir=$func_dirname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;; + *) + absdir=`cd "$dir" && pwd` + if test -z "$absdir"; then + func_warning "cannot determine absolute directory name of '$dir'" + absdir=$dir + fi + ;; + esac + if $GREP "^installed=no" $deplib > /dev/null; then + case $host in + *-*-darwin*) + depdepl= + eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` + if test -n "$deplibrary_names"; then + for tmp in $deplibrary_names; do + depdepl=$tmp + done + if test -f "$absdir/$objdir/$depdepl"; then + depdepl=$absdir/$objdir/$depdepl + darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + if test -z "$darwin_install_name"; then + darwin_install_name=`$OTOOL64 -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + fi + func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl" + func_append linker_flags " -dylib_file $darwin_install_name:$depdepl" + path= + fi + fi + ;; + *) + path=-L$absdir/$objdir + ;; + esac + else + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "'$deplib' is not a valid libtool archive" + test "$absdir" != "$libdir" && \ + func_warning "'$deplib' seems to be moved" + + path=-L$absdir + fi + ;; + esac + case " $deplibs " in + *" $path "*) ;; + *) deplibs="$path $deplibs" ;; + esac + done + fi # link_all_deplibs != no + fi # linkmode = lib + done # for deplib in $libs + if test link = "$pass"; then + if test prog = "$linkmode"; then + compile_deplibs="$new_inherited_linker_flags $compile_deplibs" + finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" + else + compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + fi + fi + dependency_libs=$newdependency_libs + if test dlpreopen = "$pass"; then + # Link the dlpreopened libraries before other libraries + for deplib in $save_deplibs; do + deplibs="$deplib $deplibs" + done + fi + if test dlopen != "$pass"; then + test conv = "$pass" || { + # Make sure lib_search_path contains only unique directories. + lib_search_path= + for dir in $newlib_search_path; do + case "$lib_search_path " in + *" $dir "*) ;; + *) func_append lib_search_path " $dir" ;; + esac + done + newlib_search_path= + } + + if test prog,link = "$linkmode,$pass"; then + vars="compile_deplibs finalize_deplibs" + else + vars=deplibs + fi + for var in $vars dependency_libs; do + # Add libraries to $var in reverse order + eval tmp_libs=\"\$$var\" + new_libs= + for deplib in $tmp_libs; do + # FIXME: Pedantically, this is the right thing to do, so + # that some nasty dependency loop isn't accidentally + # broken: + #new_libs="$deplib $new_libs" + # Pragmatically, this seems to cause very few problems in + # practice: + case $deplib in + -L*) new_libs="$deplib $new_libs" ;; + -R*) ;; + *) + # And here is the reason: when a library appears more + # than once as an explicit dependence of a library, or + # is implicitly linked in more than once by the + # compiler, it is considered special, and multiple + # occurrences thereof are not removed. Compare this + # with having the same library being listed as a + # dependency of multiple other libraries: in this case, + # we know (pedantically, we assume) the library does not + # need to be listed more than once, so we keep only the + # last copy. This is not always right, but it is rare + # enough that we require users that really mean to play + # such unportable linking tricks to link the library + # using -Wl,-lname, so that libtool does not consider it + # for duplicate removal. + case " $specialdeplibs " in + *" $deplib "*) new_libs="$deplib $new_libs" ;; + *) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$deplib $new_libs" ;; + esac + ;; + esac + ;; + esac + done + tmp_libs= + for deplib in $new_libs; do + case $deplib in + -L*) + case " $tmp_libs " in + *" $deplib "*) ;; + *) func_append tmp_libs " $deplib" ;; + esac + ;; + *) func_append tmp_libs " $deplib" ;; + esac + done + eval $var=\"$tmp_libs\" + done # for var + fi + + # Add Sun CC postdeps if required: + test CXX = "$tagname" && { + case $host_os in + linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C++ 5.9 + func_suncc_cstd_abi + + if test no != "$suncc_use_cstd_abi"; then + func_append postdeps ' -library=Cstd -library=Crun' + fi + ;; + esac + ;; + + solaris*) + func_cc_basename "$CC" + case $func_cc_basename_result in + CC* | sunCC*) + func_suncc_cstd_abi + + if test no != "$suncc_use_cstd_abi"; then + func_append postdeps ' -library=Cstd -library=Crun' + fi + ;; + esac + ;; + esac + } + + # Last step: remove runtime libs from dependency_libs + # (they stay in deplibs) + tmp_libs= + for i in $dependency_libs; do + case " $predeps $postdeps $compiler_lib_search_path " in + *" $i "*) + i= + ;; + esac + if test -n "$i"; then + func_append tmp_libs " $i" + fi + done + dependency_libs=$tmp_libs + done # for pass + if test prog = "$linkmode"; then + dlfiles=$newdlfiles + fi + if test prog = "$linkmode" || test lib = "$linkmode"; then + dlprefiles=$newdlprefiles + fi + + case $linkmode in + oldlib) + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + func_warning "'-dlopen' is ignored for archives" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "'-l' and '-L' are ignored for archives" ;; + esac + + test -n "$rpath" && \ + func_warning "'-rpath' is ignored for archives" + + test -n "$xrpath" && \ + func_warning "'-R' is ignored for archives" + + test -n "$vinfo" && \ + func_warning "'-version-info/-version-number' is ignored for archives" + + test -n "$release" && \ + func_warning "'-release' is ignored for archives" + + test -n "$export_symbols$export_symbols_regex" && \ + func_warning "'-export-symbols' is ignored for archives" + + # Now set the variables for building old libraries. + build_libtool_libs=no + oldlibs=$output + func_append objs "$old_deplibs" + ;; + + lib) + # Make sure we only generate libraries of the form 'libNAME.la'. + case $outputname in + lib*) + func_stripname 'lib' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + ;; + *) + test no = "$module" \ + && func_fatal_help "libtool library '$output' must begin with 'lib'" + + if test no != "$need_lib_prefix"; then + # Add the "lib" prefix for modules if required + func_stripname '' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + else + func_stripname '' '.la' "$outputname" + libname=$func_stripname_result + fi + ;; + esac + + if test -n "$objs"; then + if test pass_all != "$deplibs_check_method"; then + func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs" + else + echo + $ECHO "*** Warning: Linking the shared library $output against the non-libtool" + $ECHO "*** objects $objs is not portable!" + func_append libobjs " $objs" + fi + fi + + test no = "$dlself" \ + || func_warning "'-dlopen self' is ignored for libtool libraries" + + set dummy $rpath + shift + test 1 -lt "$#" \ + && func_warning "ignoring multiple '-rpath's for a libtool library" + + install_libdir=$1 + + oldlibs= + if test -z "$rpath"; then + if test yes = "$build_libtool_libs"; then + # Building a libtool convenience library. + # Some compilers have problems with a '.al' extension so + # convenience libraries should have the same extension an + # archive normally would. + oldlibs="$output_objdir/$libname.$libext $oldlibs" + build_libtool_libs=convenience + build_old_libs=yes + fi + + test -n "$vinfo" && \ + func_warning "'-version-info/-version-number' is ignored for convenience libraries" + + test -n "$release" && \ + func_warning "'-release' is ignored for convenience libraries" + else + + # Parse the version information argument. + save_ifs=$IFS; IFS=: + set dummy $vinfo 0 0 0 + shift + IFS=$save_ifs + + test -n "$7" && \ + func_fatal_help "too many parameters to '-version-info'" + + # convert absolute version numbers to libtool ages + # this retains compatibility with .la files and attempts + # to make the code below a bit more comprehensible + + case $vinfo_number in + yes) + number_major=$1 + number_minor=$2 + number_revision=$3 + # + # There are really only two kinds -- those that + # use the current revision as the major version + # and those that subtract age and use age as + # a minor version. But, then there is irix + # that has an extra 1 added just for fun + # + case $version_type in + # correct linux to gnu/linux during the next big refactor + darwin|freebsd-elf|linux|osf|windows|none) + func_arith $number_major + $number_minor + current=$func_arith_result + age=$number_minor + revision=$number_revision + ;; + freebsd-aout|qnx|sunos) + current=$number_major + revision=$number_minor + age=0 + ;; + irix|nonstopux) + func_arith $number_major + $number_minor + current=$func_arith_result + age=$number_minor + revision=$number_minor + lt_irix_increment=no + ;; + *) + func_fatal_configuration "$modename: unknown library version type '$version_type'" + ;; + esac + ;; + no) + current=$1 + revision=$2 + age=$3 + ;; + esac + + # Check that each of the things are valid numbers. + case $current in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "CURRENT '$current' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + case $revision in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "REVISION '$revision' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + case $age in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "AGE '$age' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + if test "$age" -gt "$current"; then + func_error "AGE '$age' is greater than the current interface number '$current'" + func_fatal_error "'$vinfo' is not valid version information" + fi + + # Calculate the version variables. + major= + versuffix= + verstring= + case $version_type in + none) ;; + + darwin) + # Like Linux, but with the current version available in + # verstring for coding it into the library header + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + # Darwin ld doesn't like 0 for these options... + func_arith $current + 1 + minor_current=$func_arith_result + xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + # On Darwin other compilers + case $CC in + nagfor*) + verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" + ;; + *) + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + ;; + esac + ;; + + freebsd-aout) + major=.$current + versuffix=.$current.$revision + ;; + + freebsd-elf) + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + ;; + + irix | nonstopux) + if test no = "$lt_irix_increment"; then + func_arith $current - $age + else + func_arith $current - $age + 1 + fi + major=$func_arith_result + + case $version_type in + nonstopux) verstring_prefix=nonstopux ;; + *) verstring_prefix=sgi ;; + esac + verstring=$verstring_prefix$major.$revision + + # Add in all the interfaces that we are compatible with. + loop=$revision + while test 0 -ne "$loop"; do + func_arith $revision - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring=$verstring_prefix$major.$iface:$verstring + done + + # Before this point, $major must not contain '.'. + major=.$major + versuffix=$major.$revision + ;; + + linux) # correct to gnu/linux during the next big refactor + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + ;; + + osf) + func_arith $current - $age + major=.$func_arith_result + versuffix=.$current.$age.$revision + verstring=$current.$age.$revision + + # Add in all the interfaces that we are compatible with. + loop=$age + while test 0 -ne "$loop"; do + func_arith $current - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring=$verstring:$iface.0 + done + + # Make executables depend on our current version. + func_append verstring ":$current.0" + ;; + + qnx) + major=.$current + versuffix=.$current + ;; + + sco) + major=.$current + versuffix=.$current + ;; + + sunos) + major=.$current + versuffix=.$current.$revision + ;; + + windows) + # Use '-' rather than '.', since we only want one + # extension on DOS 8.3 file systems. + func_arith $current - $age + major=$func_arith_result + versuffix=-$major + ;; + + *) + func_fatal_configuration "unknown library version type '$version_type'" + ;; + esac + + # Clear the version info if we defaulted, and they specified a release. + if test -z "$vinfo" && test -n "$release"; then + major= + case $version_type in + darwin) + # we can't check for "0.0" in archive_cmds due to quoting + # problems, so we reset it completely + verstring= + ;; + *) + verstring=0.0 + ;; + esac + if test no = "$need_version"; then + versuffix= + else + versuffix=.0.0 + fi + fi + + # Remove version info from name if versioning should be avoided + if test yes,no = "$avoid_version,$need_version"; then + major= + versuffix= + verstring= + fi + + # Check to see if the archive will have undefined symbols. + if test yes = "$allow_undefined"; then + if test unsupported = "$allow_undefined_flag"; then + if test yes = "$build_old_libs"; then + func_warning "undefined symbols not allowed in $host shared libraries; building static only" + build_libtool_libs=no + else + func_fatal_error "can't build $host shared library unless -no-undefined is specified" + fi + fi + else + # Don't allow undefined symbols. + allow_undefined_flag=$no_undefined_flag + fi + + fi + + func_generate_dlsyms "$libname" "$libname" : + func_append libobjs " $symfileobj" + test " " = "$libobjs" && libobjs= + + if test relink != "$opt_mode"; then + # Remove our outputs, but don't remove object files since they + # may have been created when compiling PIC objects. + removelist= + tempremovelist=`$ECHO "$output_objdir/*"` + for p in $tempremovelist; do + case $p in + *.$objext | *.gcno) + ;; + $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*) + if test -n "$precious_files_regex"; then + if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 + then + continue + fi + fi + func_append removelist " $p" + ;; + *) ;; + esac + done + test -n "$removelist" && \ + func_show_eval "${RM}r \$removelist" + fi + + # Now set the variables for building old libraries. + if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then + func_append oldlibs " $output_objdir/$libname.$libext" + + # Transform .lo files to .o files. + oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP` + fi + + # Eliminate all temporary directories. + #for path in $notinst_path; do + # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` + # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` + # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` + #done + + if test -n "$xrpath"; then + # If the user specified any rpath flags, then add them. + temp_xrpath= + for libdir in $xrpath; do + func_replace_sysroot "$libdir" + func_append temp_xrpath " -R$func_replace_sysroot_result" + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then + dependency_libs="$temp_xrpath $dependency_libs" + fi + fi + + # Make sure dlfiles contains only unique files that won't be dlpreopened + old_dlfiles=$dlfiles + dlfiles= + for lib in $old_dlfiles; do + case " $dlprefiles $dlfiles " in + *" $lib "*) ;; + *) func_append dlfiles " $lib" ;; + esac + done + + # Make sure dlprefiles contains only unique files + old_dlprefiles=$dlprefiles + dlprefiles= + for lib in $old_dlprefiles; do + case "$dlprefiles " in + *" $lib "*) ;; + *) func_append dlprefiles " $lib" ;; + esac + done + + if test yes = "$build_libtool_libs"; then + if test -n "$rpath"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) + # these systems don't actually have a c library (as such)! + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C library is in the System framework + func_append deplibs " System.ltframework" + ;; + *-*-netbsd*) + # Don't link with libc until the a.out ld.so is fixed. + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + ;; + *) + # Add libc to deplibs on all other systems if necessary. + if test yes = "$build_libtool_need_lc"; then + func_append deplibs " -lc" + fi + ;; + esac + fi + + # Transform deplibs into only deplibs that can be linked in shared. + name_save=$name + libname_save=$libname + release_save=$release + versuffix_save=$versuffix + major_save=$major + # I'm not sure if I'm treating the release correctly. I think + # release should show up in the -l (ie -lgmp5) so we don't want to + # add it in twice. Is that correct? + release= + versuffix= + major= + newdeplibs= + droppeddeps=no + case $deplibs_check_method in + pass_all) + # Don't check for shared/static. Everything works. + # This might be a little naive. We might want to check + # whether the library exists or not. But this is on + # osf3 & osf4 and I'm not really sure... Just + # implementing what was already the behavior. + newdeplibs=$deplibs + ;; + test_compile) + # This code stresses the "libraries are programs" paradigm to its + # limits. Maybe even breaks it. We compile a program, linking it + # against the deplibs as a proxy for the library. Then we can check + # whether they linked in statically or dynamically with ldd. + $opt_dry_run || $RM conftest.c + cat > conftest.c </dev/null` + $nocaseglob + else + potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` + fi + for potent_lib in $potential_libs; do + # Follow soft links. + if ls -lLd "$potent_lib" 2>/dev/null | + $GREP " -> " >/dev/null; then + continue + fi + # The statement above tries to avoid entering an + # endless loop below, in case of cyclic links. + # We might still enter an endless loop, since a link + # loop can be closed while we follow links, + # but so what? + potlib=$potent_lib + while test -h "$potlib" 2>/dev/null; do + potliblink=`ls -ld $potlib | $SED 's/.* -> //'` + case $potliblink in + [\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;; + *) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";; + esac + done + if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | + $SED -e 10q | + $EGREP "$file_magic_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib= + break 2 + fi + done + done + fi + if test -n "$a_deplib"; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib"; then + $ECHO "*** with $libname but no candidates were found. (...for file magic test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a file magic. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + for a_deplib in $deplibs; do + case $a_deplib in + -l*) + func_stripname -l '' "$a_deplib" + name=$func_stripname_result + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + case " $predeps $postdeps " in + *" $a_deplib "*) + func_append newdeplibs " $a_deplib" + a_deplib= + ;; + esac + fi + if test -n "$a_deplib"; then + libname=`eval "\\$ECHO \"$libname_spec\""` + for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do + potential_libs=`ls $i/$libname[.-]* 2>/dev/null` + for potent_lib in $potential_libs; do + potlib=$potent_lib # see symlink-check above in file_magic test + if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ + $EGREP "$match_pattern_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib= + break 2 + fi + done + done + fi + if test -n "$a_deplib"; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib"; then + $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a regex pattern. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + none | unknown | *) + newdeplibs= + tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + for i in $predeps $postdeps; do + # can't use Xsed below, because $i might contain '/' + tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"` + done + fi + case $tmp_deplibs in + *[!\ \ ]*) + echo + if test none = "$deplibs_check_method"; then + echo "*** Warning: inter-library dependencies are not supported in this platform." + else + echo "*** Warning: inter-library dependencies are not known to be supported." + fi + echo "*** All declared inter-library dependencies are being dropped." + droppeddeps=yes + ;; + esac + ;; + esac + versuffix=$versuffix_save + major=$major_save + release=$release_save + libname=$libname_save + name=$name_save + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library with the System framework + newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + if test yes = "$droppeddeps"; then + if test yes = "$module"; then + echo + echo "*** Warning: libtool could not satisfy all declared inter-library" + $ECHO "*** dependencies of module $libname. Therefore, libtool will create" + echo "*** a static module, that should work as long as the dlopening" + echo "*** application is linked with the -dlopen flag." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using 'nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** 'nm' from GNU binutils and a full rebuild may help." + fi + if test no = "$build_old_libs"; then + oldlibs=$output_objdir/$libname.$libext + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + else + echo "*** The inter-library dependencies that have been dropped here will be" + echo "*** automatically added whenever a program is linked with this library" + echo "*** or is declared to -dlopen it." + + if test no = "$allow_undefined"; then + echo + echo "*** Since this library must not contain undefined symbols," + echo "*** because either the platform does not support them or" + echo "*** it was explicitly requested with -no-undefined," + echo "*** libtool will only create a static version of it." + if test no = "$build_old_libs"; then + oldlibs=$output_objdir/$libname.$libext + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + fi + fi + # Done checking deplibs! + deplibs=$newdeplibs + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + case $host in + *-*-darwin*) + newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + deplibs=$new_libs + + # All the library-specific variables (install_libdir is set above). + library_names= + old_library= + dlname= + + # Test again, we may have decided not to build it any more + if test yes = "$build_libtool_libs"; then + # Remove $wl instances when linking with ld. + # FIXME: should test the right _cmds variable. + case $archive_cmds in + *\$LD\ *) wl= ;; + esac + if test yes = "$hardcode_into_libs"; then + # Hardcode the library paths + hardcode_libdirs= + dep_rpath= + rpath=$finalize_rpath + test relink = "$opt_mode" || rpath=$compile_rpath$rpath + for libdir in $rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + func_replace_sysroot "$libdir" + libdir=$func_replace_sysroot_result + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append dep_rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" + fi + if test -n "$runpath_var" && test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" + fi + test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" + fi + + shlibpath=$finalize_shlibpath + test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath + if test -n "$shlibpath"; then + eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" + fi + + # Get the real and link names of the library. + eval shared_ext=\"$shrext_cmds\" + eval library_names=\"$library_names_spec\" + set dummy $library_names + shift + realname=$1 + shift + + if test -n "$soname_spec"; then + eval soname=\"$soname_spec\" + else + soname=$realname + fi + if test -z "$dlname"; then + dlname=$soname + fi + + lib=$output_objdir/$realname + linknames= + for link + do + func_append linknames " $link" + done + + # Use standard objects if they are pic + test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` + test "X$libobjs" = "X " && libobjs= + + delfiles= + if test -n "$export_symbols" && test -n "$include_expsyms"; then + $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" + export_symbols=$output_objdir/$libname.uexp + func_append delfiles " $export_symbols" + fi + + orig_export_symbols= + case $host_os in + cygwin* | mingw* | cegcc*) + if test -n "$export_symbols" && test -z "$export_symbols_regex"; then + # exporting using user supplied symfile + func_dll_def_p "$export_symbols" || { + # and it's NOT already a .def file. Must figure out + # which of the given symbols are data symbols and tag + # them as such. So, trigger use of export_symbols_cmds. + # export_symbols gets reassigned inside the "prepare + # the list of exported symbols" if statement, so the + # include_expsyms logic still works. + orig_export_symbols=$export_symbols + export_symbols= + always_export_symbols=yes + } + fi + ;; + esac + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then + func_verbose "generating symbol list for '$libname.la'" + export_symbols=$output_objdir/$libname.exp + $opt_dry_run || $RM $export_symbols + cmds=$export_symbols_cmds + save_ifs=$IFS; IFS='~' + for cmd1 in $cmds; do + IFS=$save_ifs + # Take the normal branch if the nm_file_list_spec branch + # doesn't work or if tool conversion is not needed. + case $nm_file_list_spec~$to_tool_file_cmd in + *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) + try_normal_branch=yes + eval cmd=\"$cmd1\" + func_len " $cmd" + len=$func_len_result + ;; + *) + try_normal_branch=no + ;; + esac + if test yes = "$try_normal_branch" \ + && { test "$len" -lt "$max_cmd_len" \ + || test "$max_cmd_len" -le -1; } + then + func_show_eval "$cmd" 'exit $?' + skipped_export=false + elif test -n "$nm_file_list_spec"; then + func_basename "$output" + output_la=$func_basename_result + save_libobjs=$libobjs + save_output=$output + output=$output_objdir/$output_la.nm + func_to_tool_file "$output" + libobjs=$nm_file_list_spec$func_to_tool_file_result + func_append delfiles " $output" + func_verbose "creating $NM input file list: $output" + for obj in $save_libobjs; do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > "$output" + eval cmd=\"$cmd1\" + func_show_eval "$cmd" 'exit $?' + output=$save_output + libobjs=$save_libobjs + skipped_export=false + else + # The command line is too long to execute in one step. + func_verbose "using reloadable object file for export list..." + skipped_export=: + # Break out early, otherwise skipped_export may be + # set to false by a later but shorter cmd. + break + fi + done + IFS=$save_ifs + if test -n "$export_symbols_regex" && test : != "$skipped_export"; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + fi + + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols=$export_symbols + test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test : != "$skipped_export" && test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for '$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands, which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + + tmp_deplibs= + for test_deplib in $deplibs; do + case " $convenience " in + *" $test_deplib "*) ;; + *) + func_append tmp_deplibs " $test_deplib" + ;; + esac + done + deplibs=$tmp_deplibs + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec" && + test yes = "$compiler_needs_object" && + test -z "$libobjs"; then + # extract the archives, so we have objects to list. + # TODO: could optimize this to just extract one archive. + whole_archive_flag_spec= + fi + if test -n "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + else + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + fi + + if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then + eval flag=\"$thread_safe_flag_spec\" + func_append linker_flags " $flag" + fi + + # Make a backup of the uninstalled library when relinking + if test relink = "$opt_mode"; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? + fi + + # Do each of the archive commands. + if test yes = "$module" && test -n "$module_cmds"; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + eval test_cmds=\"$module_expsym_cmds\" + cmds=$module_expsym_cmds + else + eval test_cmds=\"$module_cmds\" + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + eval test_cmds=\"$archive_expsym_cmds\" + cmds=$archive_expsym_cmds + else + eval test_cmds=\"$archive_cmds\" + cmds=$archive_cmds + fi + fi + + if test : != "$skipped_export" && + func_len " $test_cmds" && + len=$func_len_result && + test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + : + else + # The command line is too long to link in one step, link piecewise + # or, if using GNU ld and skipped_export is not :, use a linker + # script. + + # Save the value of $output and $libobjs because we want to + # use them later. If we have whole_archive_flag_spec, we + # want to use save_libobjs as it was before + # whole_archive_flag_spec was expanded, because we can't + # assume the linker understands whole_archive_flag_spec. + # This may have to be revisited, in case too many + # convenience libraries get linked in and end up exceeding + # the spec. + if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + fi + save_output=$output + func_basename "$output" + output_la=$func_basename_result + + # Clear the reloadable object creation command queue and + # initialize k to one. + test_cmds= + concat_cmds= + objlist= + last_robj= + k=1 + + if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then + output=$output_objdir/$output_la.lnkscript + func_verbose "creating GNU ld script: $output" + echo 'INPUT (' > $output + for obj in $save_libobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + echo ')' >> $output + func_append delfiles " $output" + func_to_tool_file "$output" + output=$func_to_tool_file_result + elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then + output=$output_objdir/$output_la.lnk + func_verbose "creating linker input file list: $output" + : > $output + set x $save_libobjs + shift + firstobj= + if test yes = "$compiler_needs_object"; then + firstobj="$1 " + shift + fi + for obj + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + func_append delfiles " $output" + func_to_tool_file "$output" + output=$firstobj\"$file_list_spec$func_to_tool_file_result\" + else + if test -n "$save_libobjs"; then + func_verbose "creating reloadable object files..." + output=$output_objdir/$output_la-$k.$objext + eval test_cmds=\"$reload_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + + # Loop over the list of objects to be linked. + for obj in $save_libobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + if test -z "$objlist" || + test "$len" -lt "$max_cmd_len"; then + func_append objlist " $obj" + else + # The command $test_cmds is almost too long, add a + # command to the queue. + if test 1 -eq "$k"; then + # The first file doesn't have a previous command to add. + reload_objs=$objlist + eval concat_cmds=\"$reload_cmds\" + else + # All subsequent reloadable object files will link in + # the last one created. + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" + fi + last_robj=$output_objdir/$output_la-$k.$objext + func_arith $k + 1 + k=$func_arith_result + output=$output_objdir/$output_la-$k.$objext + objlist=" $obj" + func_len " $last_robj" + func_arith $len0 + $func_len_result + len=$func_arith_result + fi + done + # Handle the remaining objects by creating one last + # reloadable object file. All subsequent reloadable object + # files will link in the last one created. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds$reload_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + func_append delfiles " $output" + + else + output= + fi + + ${skipped_export-false} && { + func_verbose "generating symbol list for '$libname.la'" + export_symbols=$output_objdir/$libname.exp + $opt_dry_run || $RM $export_symbols + libobjs=$output + # Append the command to create the export file. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + } + + test -n "$save_libobjs" && + func_verbose "creating a temporary reloadable object file: $output" + + # Loop through the commands generated above and execute them. + save_ifs=$IFS; IFS='~' + for cmd in $concat_cmds; do + IFS=$save_ifs + $opt_quiet || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS=$save_ifs + + if test -n "$export_symbols_regex" && ${skipped_export-false}; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + + ${skipped_export-false} && { + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols=$export_symbols + test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for '$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands, which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + } + + libobjs=$output + # Restore the value of output. + output=$save_output + + if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + fi + # Expand the library linking commands again to reset the + # value of $libobjs for piecewise linking. + + # Do each of the archive commands. + if test yes = "$module" && test -n "$module_cmds"; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + cmds=$module_expsym_cmds + else + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + cmds=$archive_expsym_cmds + else + cmds=$archive_cmds + fi + fi + fi + + if test -n "$delfiles"; then + # Append the command to remove temporary files to $cmds. + eval cmds=\"\$cmds~\$RM $delfiles\" + fi + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + + save_ifs=$IFS; IFS='~' + for cmd in $cmds; do + IFS=$sp$nl + eval cmd=\"$cmd\" + IFS=$save_ifs + $opt_quiet || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS=$save_ifs + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? + + if test -n "$convenience"; then + if test -z "$whole_archive_flag_spec"; then + func_show_eval '${RM}r "$gentop"' + fi + fi + + exit $EXIT_SUCCESS + fi + + # Create links to the real library. + for linkname in $linknames; do + if test "$realname" != "$linkname"; then + func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' + fi + done + + # If -module or -export-dynamic was specified, set the dlname. + if test yes = "$module" || test yes = "$export_dynamic"; then + # On all known operating systems, these are identical. + dlname=$soname + fi + fi + ;; + + obj) + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + func_warning "'-dlopen' is ignored for objects" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "'-l' and '-L' are ignored for objects" ;; + esac + + test -n "$rpath" && \ + func_warning "'-rpath' is ignored for objects" + + test -n "$xrpath" && \ + func_warning "'-R' is ignored for objects" + + test -n "$vinfo" && \ + func_warning "'-version-info' is ignored for objects" + + test -n "$release" && \ + func_warning "'-release' is ignored for objects" + + case $output in + *.lo) + test -n "$objs$old_deplibs" && \ + func_fatal_error "cannot build library object '$output' from non-libtool objects" + + libobj=$output + func_lo2o "$libobj" + obj=$func_lo2o_result + ;; + *) + libobj= + obj=$output + ;; + esac + + # Delete the old objects. + $opt_dry_run || $RM $obj $libobj + + # Objects from convenience libraries. This assumes + # single-version convenience libraries. Whenever we create + # different ones for PIC/non-PIC, this we'll have to duplicate + # the extraction. + reload_conv_objs= + gentop= + # if reload_cmds runs $LD directly, get rid of -Wl from + # whole_archive_flag_spec and hope we can get by with turning comma + # into space. + case $reload_cmds in + *\$LD[\ \$]*) wl= ;; + esac + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec"; then + eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" + test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` + reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags + else + gentop=$output_objdir/${obj}x + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + reload_conv_objs="$reload_objs $func_extract_archives_result" + fi + fi + + # If we're not building shared, we need to use non_pic_objs + test yes = "$build_libtool_libs" || libobjs=$non_pic_objects + + # Create the old-style object. + reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs + + output=$obj + func_execute_cmds "$reload_cmds" 'exit $?' + + # Exit if we aren't doing a library object file. + if test -z "$libobj"; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + fi + + test yes = "$build_libtool_libs" || { + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + # Create an invalid libtool object if no PIC, so that we don't + # accidentally link it into a program. + # $show "echo timestamp > $libobj" + # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? + exit $EXIT_SUCCESS + } + + if test -n "$pic_flag" || test default != "$pic_mode"; then + # Only do commands if we really have different PIC objects. + reload_objs="$libobjs $reload_conv_objs" + output=$libobj + func_execute_cmds "$reload_cmds" 'exit $?' + fi + + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + ;; + + prog) + case $host in + *cygwin*) func_stripname '' '.exe' "$output" + output=$func_stripname_result.exe;; + esac + test -n "$vinfo" && \ + func_warning "'-version-info' is ignored for programs" + + test -n "$release" && \ + func_warning "'-release' is ignored for programs" + + $preload \ + && test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \ + && func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support." + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library is the System framework + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + case $host in + *-*-darwin*) + # Don't allow lazy linking, it breaks C++ global constructors + # But is supposedly fixed on 10.4 or later (yay!). + if test CXX = "$tagname"; then + case ${MACOSX_DEPLOYMENT_TARGET-10.0} in + 10.[0123]) + func_append compile_command " $wl-bind_at_load" + func_append finalize_command " $wl-bind_at_load" + ;; + esac + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $compile_deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $compile_deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + compile_deplibs=$new_libs + + + func_append compile_command " $compile_deplibs" + func_append finalize_command " $finalize_deplibs" + + if test -n "$rpath$xrpath"; then + # If the user specified any rpath flags, then add them. + for libdir in $rpath $xrpath; do + # This is the magic to use -rpath. + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + fi + + # Now hardcode the library paths + rpath= + hardcode_libdirs= + for libdir in $compile_rpath $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$libdir:"*) ;; + ::) dllsearchpath=$libdir;; + *) func_append dllsearchpath ":$libdir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + compile_rpath=$rpath + + rpath= + hardcode_libdirs= + for libdir in $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$finalize_perm_rpath " in + *" $libdir "*) ;; + *) func_append finalize_perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + finalize_rpath=$rpath + + if test -n "$libobjs" && test yes = "$build_old_libs"; then + # Transform all the library objects into standard objects. + compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + fi + + func_generate_dlsyms "$outputname" "@PROGRAM@" false + + # template prelinking step + if test -n "$prelink_cmds"; then + func_execute_cmds "$prelink_cmds" 'exit $?' + fi + + wrappers_required=: + case $host in + *cegcc* | *mingw32ce*) + # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. + wrappers_required=false + ;; + *cygwin* | *mingw* ) + test yes = "$build_libtool_libs" || wrappers_required=false + ;; + *) + if test no = "$need_relink" || test yes != "$build_libtool_libs"; then + wrappers_required=false + fi + ;; + esac + $wrappers_required || { + # Replace the output file specification. + compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + link_command=$compile_command$compile_rpath + + # We have no uninstalled library dependencies, so finalize right now. + exit_status=0 + func_show_eval "$link_command" 'exit_status=$?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Delete the generated files. + if test -f "$output_objdir/${outputname}S.$objext"; then + func_show_eval '$RM "$output_objdir/${outputname}S.$objext"' + fi + + exit $exit_status + } + + if test -n "$compile_shlibpath$finalize_shlibpath"; then + compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" + fi + if test -n "$finalize_shlibpath"; then + finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" + fi + + compile_var= + finalize_var= + if test -n "$runpath_var"; then + if test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + compile_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + if test -n "$finalize_perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $finalize_perm_rpath; do + func_append rpath "$dir:" + done + finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + fi + + if test yes = "$no_install"; then + # We don't need to create a wrapper script. + link_command=$compile_var$compile_command$compile_rpath + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + # Delete the old output file. + $opt_dry_run || $RM $output + # Link the executable and exit + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + exit $EXIT_SUCCESS + fi + + case $hardcode_action,$fast_install in + relink,*) + # Fast installation is not supported + link_command=$compile_var$compile_command$compile_rpath + relink_command=$finalize_var$finalize_command$finalize_rpath + + func_warning "this platform does not like uninstalled shared libraries" + func_warning "'$output' will be relinked during installation" + ;; + *,yes) + link_command=$finalize_var$compile_command$finalize_rpath + relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` + ;; + *,no) + link_command=$compile_var$compile_command$compile_rpath + relink_command=$finalize_var$finalize_command$finalize_rpath + ;; + *,needless) + link_command=$finalize_var$compile_command$finalize_rpath + relink_command= + ;; + esac + + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` + + # Delete the old output files. + $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname + + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output_objdir/$outputname" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Now create the wrapper script. + func_verbose "creating $output" + + # Quote the relink command for shipping. + if test -n "$relink_command"; then + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + relink_command="(cd `pwd`; $relink_command)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + fi + + # Only actually do things if not in dry run mode. + $opt_dry_run || { + # win32 will think the script is a binary if it has + # a .exe suffix, so we strip it off here. + case $output in + *.exe) func_stripname '' '.exe' "$output" + output=$func_stripname_result ;; + esac + # test for cygwin because mv fails w/o .exe extensions + case $host in + *cygwin*) + exeext=.exe + func_stripname '' '.exe' "$outputname" + outputname=$func_stripname_result ;; + *) exeext= ;; + esac + case $host in + *cygwin* | *mingw* ) + func_dirname_and_basename "$output" "" "." + output_name=$func_basename_result + output_path=$func_dirname_result + cwrappersource=$output_path/$objdir/lt-$output_name.c + cwrapper=$output_path/$output_name.exe + $RM $cwrappersource $cwrapper + trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 + + func_emit_cwrapperexe_src > $cwrappersource + + # The wrapper executable is built using the $host compiler, + # because it contains $host paths and files. If cross- + # compiling, it, like the target executable, must be + # executed on the $host or under an emulation environment. + $opt_dry_run || { + $LTCC $LTCFLAGS -o $cwrapper $cwrappersource + $STRIP $cwrapper + } + + # Now, create the wrapper script for func_source use: + func_ltwrapper_scriptname $cwrapper + $RM $func_ltwrapper_scriptname_result + trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 + $opt_dry_run || { + # note: this script will not be executed, so do not chmod. + if test "x$build" = "x$host"; then + $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result + else + func_emit_wrapper no > $func_ltwrapper_scriptname_result + fi + } + ;; + * ) + $RM $output + trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 + + func_emit_wrapper no > $output + chmod +x $output + ;; + esac + } + exit $EXIT_SUCCESS + ;; + esac + + # See if we need to build an old-fashioned archive. + for oldlib in $oldlibs; do + + case $build_libtool_libs in + convenience) + oldobjs="$libobjs_save $symfileobj" + addlibs=$convenience + build_libtool_libs=no + ;; + module) + oldobjs=$libobjs_save + addlibs=$old_convenience + build_libtool_libs=no + ;; + *) + oldobjs="$old_deplibs $non_pic_objects" + $preload && test -f "$symfileobj" \ + && func_append oldobjs " $symfileobj" + addlibs=$old_convenience + ;; + esac + + if test -n "$addlibs"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $addlibs + func_append oldobjs " $func_extract_archives_result" + fi + + # Do each command in the archive commands. + if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then + cmds=$old_archive_from_new_cmds + else + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append oldobjs " $func_extract_archives_result" + fi + + # POSIX demands no paths to be encoded in archives. We have + # to avoid creating archives with duplicate basenames if we + # might have to extract them afterwards, e.g., when creating a + # static archive out of a convenience library, or when linking + # the entirety of a libtool archive into another (currently + # not supported by libtool). + if (for obj in $oldobjs + do + func_basename "$obj" + $ECHO "$func_basename_result" + done | sort | sort -uc >/dev/null 2>&1); then + : + else + echo "copying selected object files to avoid basename conflicts..." + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + func_mkdir_p "$gentop" + save_oldobjs=$oldobjs + oldobjs= + counter=1 + for obj in $save_oldobjs + do + func_basename "$obj" + objbase=$func_basename_result + case " $oldobjs " in + " ") oldobjs=$obj ;; + *[\ /]"$objbase "*) + while :; do + # Make sure we don't pick an alternate name that also + # overlaps. + newobj=lt$counter-$objbase + func_arith $counter + 1 + counter=$func_arith_result + case " $oldobjs " in + *[\ /]"$newobj "*) ;; + *) if test ! -f "$gentop/$newobj"; then break; fi ;; + esac + done + func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" + func_append oldobjs " $gentop/$newobj" + ;; + *) func_append oldobjs " $obj" ;; + esac + done + fi + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + eval cmds=\"$old_archive_cmds\" + + func_len " $cmds" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + cmds=$old_archive_cmds + elif test -n "$archiver_list_spec"; then + func_verbose "using command file archive linking..." + for obj in $oldobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > $output_objdir/$libname.libcmd + func_to_tool_file "$output_objdir/$libname.libcmd" + oldobjs=" $archiver_list_spec$func_to_tool_file_result" + cmds=$old_archive_cmds + else + # the command line is too long to link in one step, link in parts + func_verbose "using piecewise archive linking..." + save_RANLIB=$RANLIB + RANLIB=: + objlist= + concat_cmds= + save_oldobjs=$oldobjs + oldobjs= + # Is there a better way of finding the last object in the list? + for obj in $save_oldobjs + do + last_oldobj=$obj + done + eval test_cmds=\"$old_archive_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + for obj in $save_oldobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + func_append objlist " $obj" + if test "$len" -lt "$max_cmd_len"; then + : + else + # the above command should be used before it gets too long + oldobjs=$objlist + if test "$obj" = "$last_oldobj"; then + RANLIB=$save_RANLIB + fi + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$old_archive_cmds\" + objlist= + len=$len0 + fi + done + RANLIB=$save_RANLIB + oldobjs=$objlist + if test -z "$oldobjs"; then + eval cmds=\"\$concat_cmds\" + else + eval cmds=\"\$concat_cmds~\$old_archive_cmds\" + fi + fi + fi + func_execute_cmds "$cmds" 'exit $?' + done + + test -n "$generated" && \ + func_show_eval "${RM}r$generated" + + # Now create the libtool archive. + case $output in + *.la) + old_library= + test yes = "$build_old_libs" && old_library=$libname.$libext + func_verbose "creating $output" + + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + # Quote the link command for shipping. + relink_command="(cd `pwd`; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + if test yes = "$hardcode_automatic"; then + relink_command= + fi + + # Only create the output if not a dry run. + $opt_dry_run || { + for installed in no yes; do + if test yes = "$installed"; then + if test -z "$install_libdir"; then + break + fi + output=$output_objdir/${outputname}i + # Replace all uninstalled libtool libraries with the installed ones + newdependency_libs= + for deplib in $dependency_libs; do + case $deplib in + *.la) + func_basename "$deplib" + name=$func_basename_result + func_resolve_sysroot "$deplib" + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` + test -z "$libdir" && \ + func_fatal_error "'$deplib' is not a valid libtool archive" + func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" + ;; + -L*) + func_stripname -L '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -L$func_replace_sysroot_result" + ;; + -R*) + func_stripname -R '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -R$func_replace_sysroot_result" + ;; + *) func_append newdependency_libs " $deplib" ;; + esac + done + dependency_libs=$newdependency_libs + newdlfiles= + + for lib in $dlfiles; do + case $lib in + *.la) + func_basename "$lib" + name=$func_basename_result + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "'$lib' is not a valid libtool archive" + func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" + ;; + *) func_append newdlfiles " $lib" ;; + esac + done + dlfiles=$newdlfiles + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + *.la) + # Only pass preopened files to the pseudo-archive (for + # eventual linking with the app. that links it) if we + # didn't already link the preopened objects directly into + # the library: + func_basename "$lib" + name=$func_basename_result + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "'$lib' is not a valid libtool archive" + func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" + ;; + esac + done + dlprefiles=$newdlprefiles + else + newdlfiles= + for lib in $dlfiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlfiles " $abs" + done + dlfiles=$newdlfiles + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlprefiles " $abs" + done + dlprefiles=$newdlprefiles + fi + $RM $output + # place dlname in correct position for cygwin + # In fact, it would be nice if we could use this code for all target + # systems that can't hard-code library paths into their executables + # and that have no shared library path variable independent of PATH, + # but it turns out we can't easily determine that from inspecting + # libtool variables, so we have to hard-code the OSs to which it + # applies here; at the moment, that means platforms that use the PE + # object format with DLL files. See the long comment at the top of + # tests/bindir.at for full details. + tdlname=$dlname + case $host,$output,$installed,$module,$dlname in + *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) + # If a -bindir argument was supplied, place the dll there. + if test -n "$bindir"; then + func_relative_path "$install_libdir" "$bindir" + tdlname=$func_relative_path_result/$dlname + else + # Otherwise fall back on heuristic. + tdlname=../bin/$dlname + fi + ;; + esac + $ECHO > $output "\ +# $outputname - a libtool library file +# Generated by $PROGRAM (GNU $PACKAGE) $VERSION +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# The name that we can dlopen(3). +dlname='$tdlname' + +# Names of this library. +library_names='$library_names' + +# The name of the static archive. +old_library='$old_library' + +# Linker flags that cannot go in dependency_libs. +inherited_linker_flags='$new_inherited_linker_flags' + +# Libraries that this one depends upon. +dependency_libs='$dependency_libs' + +# Names of additional weak libraries provided by this library +weak_library_names='$weak_libs' + +# Version information for $libname. +current=$current +age=$age +revision=$revision + +# Is this an already installed library? +installed=$installed + +# Should we warn about portability when linking against -modules? +shouldnotlink=$module + +# Files to dlopen/dlpreopen +dlopen='$dlfiles' +dlpreopen='$dlprefiles' + +# Directory that this library needs to be installed in: +libdir='$install_libdir'" + if test no,yes = "$installed,$need_relink"; then + $ECHO >> $output "\ +relink_command=\"$relink_command\"" + fi + done + } + + # Do a symbolic link so that the libtool archive can be found in + # LD_LIBRARY_PATH before the program is installed. + func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' + ;; + esac + exit $EXIT_SUCCESS +} + +if test link = "$opt_mode" || test relink = "$opt_mode"; then + func_mode_link ${1+"$@"} +fi + + +# func_mode_uninstall arg... +func_mode_uninstall () +{ + $debug_cmd + + RM=$nonopt + files= + rmforce=false + exit_status=0 + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic=$magic + + for arg + do + case $arg in + -f) func_append RM " $arg"; rmforce=: ;; + -*) func_append RM " $arg" ;; + *) func_append files " $arg" ;; + esac + done + + test -z "$RM" && \ + func_fatal_help "you must specify an RM program" + + rmdirs= + + for file in $files; do + func_dirname "$file" "" "." + dir=$func_dirname_result + if test . = "$dir"; then + odir=$objdir + else + odir=$dir/$objdir + fi + func_basename "$file" + name=$func_basename_result + test uninstall = "$opt_mode" && odir=$dir + + # Remember odir for removal later, being careful to avoid duplicates + if test clean = "$opt_mode"; then + case " $rmdirs " in + *" $odir "*) ;; + *) func_append rmdirs " $odir" ;; + esac + fi + + # Don't error if the file doesn't exist and rm -f was used. + if { test -L "$file"; } >/dev/null 2>&1 || + { test -h "$file"; } >/dev/null 2>&1 || + test -f "$file"; then + : + elif test -d "$file"; then + exit_status=1 + continue + elif $rmforce; then + continue + fi + + rmfiles=$file + + case $name in + *.la) + # Possibly a libtool archive, so verify it. + if func_lalib_p "$file"; then + func_source $dir/$name + + # Delete the libtool libraries and symlinks. + for n in $library_names; do + func_append rmfiles " $odir/$n" + done + test -n "$old_library" && func_append rmfiles " $odir/$old_library" + + case $opt_mode in + clean) + case " $library_names " in + *" $dlname "*) ;; + *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; + esac + test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" + ;; + uninstall) + if test -n "$library_names"; then + # Do each command in the postuninstall commands. + func_execute_cmds "$postuninstall_cmds" '$rmforce || exit_status=1' + fi + + if test -n "$old_library"; then + # Do each command in the old_postuninstall commands. + func_execute_cmds "$old_postuninstall_cmds" '$rmforce || exit_status=1' + fi + # FIXME: should reinstall the best remaining shared library. + ;; + esac + fi + ;; + + *.lo) + # Possibly a libtool object, so verify it. + if func_lalib_p "$file"; then + + # Read the .lo file + func_source $dir/$name + + # Add PIC object to the list of files to remove. + if test -n "$pic_object" && test none != "$pic_object"; then + func_append rmfiles " $dir/$pic_object" + fi + + # Add non-PIC object to the list of files to remove. + if test -n "$non_pic_object" && test none != "$non_pic_object"; then + func_append rmfiles " $dir/$non_pic_object" + fi + fi + ;; + + *) + if test clean = "$opt_mode"; then + noexename=$name + case $file in + *.exe) + func_stripname '' '.exe' "$file" + file=$func_stripname_result + func_stripname '' '.exe' "$name" + noexename=$func_stripname_result + # $file with .exe has already been added to rmfiles, + # add $file without .exe + func_append rmfiles " $file" + ;; + esac + # Do a test to see if this is a libtool program. + if func_ltwrapper_p "$file"; then + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + relink_command= + func_source $func_ltwrapper_scriptname_result + func_append rmfiles " $func_ltwrapper_scriptname_result" + else + relink_command= + func_source $dir/$noexename + fi + + # note $name still contains .exe if it was in $file originally + # as does the version of $file that was added into $rmfiles + func_append rmfiles " $odir/$name $odir/${name}S.$objext" + if test yes = "$fast_install" && test -n "$relink_command"; then + func_append rmfiles " $odir/lt-$name" + fi + if test "X$noexename" != "X$name"; then + func_append rmfiles " $odir/lt-$noexename.c" + fi + fi + fi + ;; + esac + func_show_eval "$RM $rmfiles" 'exit_status=1' + done + + # Try to remove the $objdir's in the directories where we deleted files + for dir in $rmdirs; do + if test -d "$dir"; then + func_show_eval "rmdir $dir >/dev/null 2>&1" + fi + done + + exit $exit_status +} + +if test uninstall = "$opt_mode" || test clean = "$opt_mode"; then + func_mode_uninstall ${1+"$@"} +fi + +test -z "$opt_mode" && { + help=$generic_help + func_fatal_help "you must specify a MODE" +} + +test -z "$exec_cmd" && \ + func_fatal_help "invalid operation mode '$opt_mode'" + +if test -n "$exec_cmd"; then + eval exec "$exec_cmd" + exit $EXIT_FAILURE +fi + +exit $exit_status + + +# The TAGs below are defined such that we never get into a situation +# where we disable both kinds of libraries. Given conflicting +# choices, we go for a static library, that is the most portable, +# since we can't tell whether shared libraries were disabled because +# the user asked for that or because the platform doesn't support +# them. This is particularly important on AIX, because we don't +# support having both static and shared libraries enabled at the same +# time on that platform, so we default to a shared-only configuration. +# If a disable-shared tag is given, we'll fallback to a static-only +# configuration. But we'll never go from static-only to shared-only. + +# ### BEGIN LIBTOOL TAG CONFIG: disable-shared +build_libtool_libs=no +build_old_libs=yes +# ### END LIBTOOL TAG CONFIG: disable-shared + +# ### BEGIN LIBTOOL TAG CONFIG: disable-static +build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` +# ### END LIBTOOL TAG CONFIG: disable-static + +# Local Variables: +# mode:shell-script +# sh-indentation:2 +# End: diff --git a/zfs/config/ltoptions.m4 b/zfs/config/ltoptions.m4 new file mode 100644 index 000000000000..94b082976667 --- /dev/null +++ b/zfs/config/ltoptions.m4 @@ -0,0 +1,437 @@ +# Helper functions for option handling. -*- Autoconf -*- +# +# Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software +# Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 8 ltoptions.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) + + +# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) +# ------------------------------------------ +m4_define([_LT_MANGLE_OPTION], +[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) + + +# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) +# --------------------------------------- +# Set option OPTION-NAME for macro MACRO-NAME, and if there is a +# matching handler defined, dispatch to it. Other OPTION-NAMEs are +# saved as a flag. +m4_define([_LT_SET_OPTION], +[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl +m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), + _LT_MANGLE_DEFUN([$1], [$2]), + [m4_warning([Unknown $1 option '$2'])])[]dnl +]) + + +# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) +# ------------------------------------------------------------ +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +m4_define([_LT_IF_OPTION], +[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) + + +# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) +# ------------------------------------------------------- +# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME +# are set. +m4_define([_LT_UNLESS_OPTIONS], +[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), + [m4_define([$0_found])])])[]dnl +m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 +])[]dnl +]) + + +# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) +# ---------------------------------------- +# OPTION-LIST is a space-separated list of Libtool options associated +# with MACRO-NAME. If any OPTION has a matching handler declared with +# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about +# the unknown option and exit. +m4_defun([_LT_SET_OPTIONS], +[# Set options +m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [_LT_SET_OPTION([$1], _LT_Option)]) + +m4_if([$1],[LT_INIT],[ + dnl + dnl Simply set some default values (i.e off) if boolean options were not + dnl specified: + _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no + ]) + _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no + ]) + dnl + dnl If no reference was made to various pairs of opposing options, then + dnl we run the default mode handler for the pair. For example, if neither + dnl 'shared' nor 'disable-shared' was passed, we enable building of shared + dnl archives by default: + _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) + _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], + [_LT_ENABLE_FAST_INSTALL]) + _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], + [_LT_WITH_AIX_SONAME([aix])]) + ]) +])# _LT_SET_OPTIONS + + +## --------------------------------- ## +## Macros to handle LT_INIT options. ## +## --------------------------------- ## + +# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) +# ----------------------------------------- +m4_define([_LT_MANGLE_DEFUN], +[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) + + +# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) +# ----------------------------------------------- +m4_define([LT_OPTION_DEFINE], +[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl +])# LT_OPTION_DEFINE + + +# dlopen +# ------ +LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes +]) + +AU_DEFUN([AC_LIBTOOL_DLOPEN], +[_LT_SET_OPTION([LT_INIT], [dlopen]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'dlopen' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) + + +# win32-dll +# --------- +# Declare package support for building win32 dll's. +LT_OPTION_DEFINE([LT_INIT], [win32-dll], +[enable_win32_dll=yes + +case $host in +*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) + AC_CHECK_TOOL(AS, as, false) + AC_CHECK_TOOL(DLLTOOL, dlltool, false) + AC_CHECK_TOOL(OBJDUMP, objdump, false) + ;; +esac + +test -z "$AS" && AS=as +_LT_DECL([], [AS], [1], [Assembler program])dnl + +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl + +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl +])# win32-dll + +AU_DEFUN([AC_LIBTOOL_WIN32_DLL], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +_LT_SET_OPTION([LT_INIT], [win32-dll]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'win32-dll' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) + + +# _LT_ENABLE_SHARED([DEFAULT]) +# ---------------------------- +# implement the --enable-shared flag, and supports the 'shared' and +# 'disable-shared' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_SHARED], +[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([shared], + [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], + [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) + + _LT_DECL([build_libtool_libs], [enable_shared], [0], + [Whether or not to build shared libraries]) +])# _LT_ENABLE_SHARED + +LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) +]) + +AC_DEFUN([AC_DISABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], [disable-shared]) +]) + +AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) +AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_SHARED], []) +dnl AC_DEFUN([AM_DISABLE_SHARED], []) + + + +# _LT_ENABLE_STATIC([DEFAULT]) +# ---------------------------- +# implement the --enable-static flag, and support the 'static' and +# 'disable-static' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_STATIC], +[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([static], + [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], + [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_static=]_LT_ENABLE_STATIC_DEFAULT) + + _LT_DECL([build_old_libs], [enable_static], [0], + [Whether or not to build static libraries]) +])# _LT_ENABLE_STATIC + +LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) +]) + +AC_DEFUN([AC_DISABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], [disable-static]) +]) + +AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) +AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_STATIC], []) +dnl AC_DEFUN([AM_DISABLE_STATIC], []) + + + +# _LT_ENABLE_FAST_INSTALL([DEFAULT]) +# ---------------------------------- +# implement the --enable-fast-install flag, and support the 'fast-install' +# and 'disable-fast-install' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_FAST_INSTALL], +[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([fast-install], + [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], + [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) + +_LT_DECL([fast_install], [enable_fast_install], [0], + [Whether or not to optimize for fast installation])dnl +])# _LT_ENABLE_FAST_INSTALL + +LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) + +# Old names: +AU_DEFUN([AC_ENABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the 'fast-install' option into LT_INIT's first parameter.]) +]) + +AU_DEFUN([AC_DISABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], [disable-fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the 'disable-fast-install' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) +dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) + + +# _LT_WITH_AIX_SONAME([DEFAULT]) +# ---------------------------------- +# implement the --with-aix-soname flag, and support the `aix-soname=aix' +# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT +# is either `aix', `both' or `svr4'. If omitted, it defaults to `aix'. +m4_define([_LT_WITH_AIX_SONAME], +[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl +shared_archive_member_spec= +case $host,$enable_shared in +power*-*-aix[[5-9]]*,yes) + AC_MSG_CHECKING([which variant of shared library versioning to provide]) + AC_ARG_WITH([aix-soname], + [AS_HELP_STRING([--with-aix-soname=aix|svr4|both], + [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])], + [case $withval in + aix|svr4|both) + ;; + *) + AC_MSG_ERROR([Unknown argument to --with-aix-soname]) + ;; + esac + lt_cv_with_aix_soname=$with_aix_soname], + [AC_CACHE_VAL([lt_cv_with_aix_soname], + [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT) + with_aix_soname=$lt_cv_with_aix_soname]) + AC_MSG_RESULT([$with_aix_soname]) + if test aix != "$with_aix_soname"; then + # For the AIX way of multilib, we name the shared archive member + # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', + # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. + # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, + # the AIX toolchain works better with OBJECT_MODE set (default 32). + if test 64 = "${OBJECT_MODE-32}"; then + shared_archive_member_spec=shr_64 + else + shared_archive_member_spec=shr + fi + fi + ;; +*) + with_aix_soname=aix + ;; +esac + +_LT_DECL([], [shared_archive_member_spec], [0], + [Shared archive member basename, for filename based shared library versioning on AIX])dnl +])# _LT_WITH_AIX_SONAME + +LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])]) +LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])]) +LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])]) + + +# _LT_WITH_PIC([MODE]) +# -------------------- +# implement the --with-pic flag, and support the 'pic-only' and 'no-pic' +# LT_INIT options. +# MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'. +m4_define([_LT_WITH_PIC], +[AC_ARG_WITH([pic], + [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], + [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], + [lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for lt_pkg in $withval; do + IFS=$lt_save_ifs + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [pic_mode=m4_default([$1], [default])]) + +_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl +])# _LT_WITH_PIC + +LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) + +# Old name: +AU_DEFUN([AC_LIBTOOL_PICMODE], +[_LT_SET_OPTION([LT_INIT], [pic-only]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'pic-only' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) + +## ----------------- ## +## LTDL_INIT Options ## +## ----------------- ## + +m4_define([_LTDL_MODE], []) +LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], + [m4_define([_LTDL_MODE], [nonrecursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [recursive], + [m4_define([_LTDL_MODE], [recursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [subproject], + [m4_define([_LTDL_MODE], [subproject])]) + +m4_define([_LTDL_TYPE], []) +LT_OPTION_DEFINE([LTDL_INIT], [installable], + [m4_define([_LTDL_TYPE], [installable])]) +LT_OPTION_DEFINE([LTDL_INIT], [convenience], + [m4_define([_LTDL_TYPE], [convenience])]) diff --git a/zfs/config/ltsugar.m4 b/zfs/config/ltsugar.m4 new file mode 100644 index 000000000000..48bc9344a4d6 --- /dev/null +++ b/zfs/config/ltsugar.m4 @@ -0,0 +1,124 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software +# Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltsugar.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) + + +# lt_join(SEP, ARG1, [ARG2...]) +# ----------------------------- +# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their +# associated separator. +# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier +# versions in m4sugar had bugs. +m4_define([lt_join], +[m4_if([$#], [1], [], + [$#], [2], [[$2]], + [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) +m4_define([_lt_join], +[m4_if([$#$2], [2], [], + [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) + + +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59, which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) +m4_define([lt_unquote], $1) + + +# lt_append(MACRO-NAME, STRING, [SEPARATOR]) +# ------------------------------------------ +# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. +# Note that neither SEPARATOR nor STRING are expanded; they are appended +# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). +# No SEPARATOR is output if MACRO-NAME was previously undefined (different +# than defined and empty). +# +# This macro is needed until we can rely on Autoconf 2.62, since earlier +# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. +m4_define([lt_append], +[m4_define([$1], + m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) + + + +# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) +# ---------------------------------------------------------- +# Produce a SEP delimited list of all paired combinations of elements of +# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list +# has the form PREFIXmINFIXSUFFIXn. +# Needed until we can rely on m4_combine added in Autoconf 2.62. +m4_define([lt_combine], +[m4_if(m4_eval([$# > 3]), [1], + [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl +[[m4_foreach([_Lt_prefix], [$2], + [m4_foreach([_Lt_suffix], + ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, + [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) + + +# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) +# ----------------------------------------------------------------------- +# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited +# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. +m4_define([lt_if_append_uniq], +[m4_ifdef([$1], + [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], + [lt_append([$1], [$2], [$3])$4], + [$5])], + [lt_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$3])]) + + +# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) +# -------------------------------------------- +m4_define([lt_dict_add_subkey], +[m4_define([$1($2:$3)], [$4])]) + + +# lt_dict_fetch(DICT, KEY, [SUBKEY]) +# ---------------------------------- +m4_define([lt_dict_fetch], +[m4_ifval([$3], + m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), + m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) + + +# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) +# ----------------------------------------------------------------- +m4_define([lt_if_dict_fetch], +[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], + [$5], + [$6])]) + + +# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) +# -------------------------------------------------------------- +m4_define([lt_dict_filter], +[m4_if([$5], [], [], + [lt_join(m4_quote(m4_default([$4], [[, ]])), + lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), + [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl +]) diff --git a/zfs/config/ltversion.m4 b/zfs/config/ltversion.m4 new file mode 100644 index 000000000000..fa04b52a3bf8 --- /dev/null +++ b/zfs/config/ltversion.m4 @@ -0,0 +1,23 @@ +# ltversion.m4 -- version numbers -*- Autoconf -*- +# +# Copyright (C) 2004, 2011-2015 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# @configure_input@ + +# serial 4179 ltversion.m4 +# This file is part of GNU Libtool + +m4_define([LT_PACKAGE_VERSION], [2.4.6]) +m4_define([LT_PACKAGE_REVISION], [2.4.6]) + +AC_DEFUN([LTVERSION_VERSION], +[macro_version='2.4.6' +macro_revision='2.4.6' +_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) +_LT_DECL(, macro_revision, 0) +]) diff --git a/zfs/config/lt~obsolete.m4 b/zfs/config/lt~obsolete.m4 new file mode 100644 index 000000000000..c6b26f88f6c3 --- /dev/null +++ b/zfs/config/lt~obsolete.m4 @@ -0,0 +1,99 @@ +# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- +# +# Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software +# Foundation, Inc. +# Written by Scott James Remnant, 2004. +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 5 lt~obsolete.m4 + +# These exist entirely to fool aclocal when bootstrapping libtool. +# +# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN), +# which have later been changed to m4_define as they aren't part of the +# exported API, or moved to Autoconf or Automake where they belong. +# +# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN +# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us +# using a macro with the same name in our local m4/libtool.m4 it'll +# pull the old libtool.m4 in (it doesn't see our shiny new m4_define +# and doesn't know about Autoconf macros at all.) +# +# So we provide this file, which has a silly filename so it's always +# included after everything else. This provides aclocal with the +# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything +# because those macros already exist, or will be overwritten later. +# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. +# +# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. +# Yes, that means every name once taken will need to remain here until +# we give up compatibility with versions before 1.7, at which point +# we need to keep only those names which we still refer to. + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) + +m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) +m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) +m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])]) +m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])]) +m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])]) 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[AC_DEFUN([_LT_PROG_F77])]) +m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])]) +m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])]) diff --git a/zfs/config/missing b/zfs/config/missing new file mode 100755 index 000000000000..f62bbae306c7 --- /dev/null +++ b/zfs/config/missing @@ -0,0 +1,215 @@ +#! /bin/sh +# Common wrapper for a few potentially missing GNU programs. + +scriptversion=2013-10-28.13; # UTC + +# Copyright (C) 1996-2014 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard , 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try '$0 --help' for more information" + exit 1 +fi + +case $1 in + + --is-lightweight) + # Used by our autoconf macros to check whether the available missing + # script is modern enough. + exit 0 + ;; + + --run) + # Back-compat with the calling convention used by older automake. + shift + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + +Supported PROGRAM values: + aclocal autoconf autoheader autom4te automake makeinfo + bison yacc flex lex help2man + +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name. + +Send bug reports to ." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: unknown '$1' option" + echo 1>&2 "Try '$0 --help' for more information" + exit 1 + ;; + +esac + +# Run the given program, remember its exit status. +"$@"; st=$? + +# If it succeeded, we are done. +test $st -eq 0 && exit 0 + +# Also exit now if we it failed (or wasn't found), and '--version' was +# passed; such an option is passed most likely to detect whether the +# program is present and works. +case $2 in --version|--help) exit $st;; esac + +# Exit code 63 means version mismatch. This often happens when the user +# tries to use an ancient version of a tool on a file that requires a +# minimum version. +if test $st -eq 63; then + msg="probably too old" +elif test $st -eq 127; then + # Program was missing. + msg="missing on your system" +else + # Program was found and executed, but failed. Give up. + exit $st +fi + +perl_URL=http://www.perl.org/ +flex_URL=http://flex.sourceforge.net/ +gnu_software_URL=http://www.gnu.org/software + +program_details () +{ + case $1 in + aclocal|automake) + echo "The '$1' program is part of the GNU Automake package:" + echo "<$gnu_software_URL/automake>" + echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/autoconf>" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + autoconf|autom4te|autoheader) + echo "The '$1' program is part of the GNU Autoconf package:" + echo "<$gnu_software_URL/autoconf/>" + echo "It also requires GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + esac +} + +give_advice () +{ + # Normalize program name to check for. + normalized_program=`echo "$1" | sed ' + s/^gnu-//; t + s/^gnu//; t + s/^g//; t'` + + printf '%s\n' "'$1' is $msg." + + configure_deps="'configure.ac' or m4 files included by 'configure.ac'" + case $normalized_program in + autoconf*) + echo "You should only need it if you modified 'configure.ac'," + echo "or m4 files included by it." + program_details 'autoconf' + ;; + autoheader*) + echo "You should only need it if you modified 'acconfig.h' or" + echo "$configure_deps." + program_details 'autoheader' + ;; + automake*) + echo "You should only need it if you modified 'Makefile.am' or" + echo "$configure_deps." + program_details 'automake' + ;; + aclocal*) + echo "You should only need it if you modified 'acinclude.m4' or" + echo "$configure_deps." + program_details 'aclocal' + ;; + autom4te*) + echo "You might have modified some maintainer files that require" + echo "the 'autom4te' program to be rebuilt." + program_details 'autom4te' + ;; + bison*|yacc*) + echo "You should only need it if you modified a '.y' file." + echo "You may want to install the GNU Bison package:" + echo "<$gnu_software_URL/bison/>" + ;; + lex*|flex*) + echo "You should only need it if you modified a '.l' file." + echo "You may want to install the Fast Lexical Analyzer package:" + echo "<$flex_URL>" + ;; + help2man*) + echo "You should only need it if you modified a dependency" \ + "of a man page." + echo "You may want to install the GNU Help2man package:" + echo "<$gnu_software_URL/help2man/>" + ;; + makeinfo*) + echo "You should only need it if you modified a '.texi' file, or" + echo "any other file indirectly affecting the aspect of the manual." + echo "You might want to install the Texinfo package:" + echo "<$gnu_software_URL/texinfo/>" + echo "The spurious makeinfo call might also be the consequence of" + echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" + echo "want to install GNU make:" + echo "<$gnu_software_URL/make/>" + ;; + *) + echo "You might have modified some files without having the proper" + echo "tools for further handling them. Check the 'README' file, it" + echo "often tells you about the needed prerequisites for installing" + echo "this package. You may also peek at any GNU archive site, in" + echo "case some other package contains this missing '$1' program." + ;; + esac +} + +give_advice "$1" | sed -e '1s/^/WARNING: /' \ + -e '2,$s/^/ /' >&2 + +# Propagate the correct exit status (expected to be 127 for a program +# not found, 63 for a program that failed due to version mismatch). +exit $st + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/zfs/config/mount-helper.m4 b/zfs/config/mount-helper.m4 new file mode 100644 index 000000000000..0a6c7670840b --- /dev/null +++ b/zfs/config/mount-helper.m4 @@ -0,0 +1,8 @@ +AC_DEFUN([ZFS_AC_CONFIG_USER_MOUNT_HELPER], [ + AC_ARG_WITH(mounthelperdir, + AC_HELP_STRING([--with-mounthelperdir=DIR], + [install mount.zfs in dir [[/sbin]]]), + mounthelperdir=$withval,mounthelperdir=/sbin) + + AC_SUBST(mounthelperdir) +]) diff --git a/zfs/config/rpm.am b/zfs/config/rpm.am new file mode 100644 index 000000000000..51a20b3e6a10 --- /dev/null +++ b/zfs/config/rpm.am @@ -0,0 +1,87 @@ +############################################################################### +# Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC. +# Copyright (C) 2007 The Regents of the University of California. +# Written by Brian Behlendorf . +############################################################################### +# Build targets for RPM packages. +############################################################################### + +srpm-kmod: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-kmod" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_KMOD}' srpm-common + +srpm-dkms: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-dkms" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_DKMS}' srpm-common + +srpm-utils: + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" \ + def='${SRPM_DEFINE_COMMON} ${SRPM_DEFINE_UTIL}' srpm-common + +srpm: srpm-kmod srpm-dkms srpm-utils +srpms: srpm-kmod srpm-dkms srpm-utils + +rpm-kmod: srpm-kmod + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-kmod" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_KMOD}' rpm-common + +rpm-dkms: srpm-dkms + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-dkms" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_DKMS}' rpm-common + +rpm-utils: srpm-utils + $(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" \ + def='${RPM_DEFINE_COMMON} ${RPM_DEFINE_UTIL}' rpm-common + +rpm: rpm-kmod rpm-dkms rpm-utils +rpms: rpm-kmod rpm-dkms rpm-utils + +rpm-local: + @(if test "${HAVE_RPMBUILD}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${RPMBUILD} missing. Please install the\n" \ + "*** package for your distribution which provides ${RPMBUILD},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi; \ + mkdir -p $(rpmbuild)/TMP && \ + mkdir -p $(rpmbuild)/BUILD && \ + mkdir -p $(rpmbuild)/RPMS && \ + mkdir -p $(rpmbuild)/SRPMS && \ + mkdir -p $(rpmbuild)/SPECS && \ + cp ${RPM_SPEC_DIR}/$(rpmspec) $(rpmbuild)/SPECS && \ + mkdir -p $(rpmbuild)/SOURCES && \ + cp $(top_srcdir)/scripts/kmodtool $(rpmbuild)/SOURCES && \ + cp $(distdir).tar.gz $(rpmbuild)/SOURCES) + +srpm-common: dist + @(dist=`$(RPM) --eval %{?dist}`; \ + rpmpkg=$(pkg)-$(VERSION)-$(RELEASE)$$dist*src.rpm; \ + rpmspec=$(pkg).spec; \ + rpmbuild=`mktemp -t -d $(PACKAGE)-build-$$USER-XXXXXXXX`; \ + $(MAKE) $(AM_MAKEFLAGS) \ + rpmbuild="$$rpmbuild" \ + rpmspec="$$rpmspec" \ + rpm-local || exit 1; \ + LANG=C $(RPMBUILD) \ + --define "_tmppath $$rpmbuild/TMP" \ + --define "_topdir $$rpmbuild" \ + $(def) -bs $$rpmbuild/SPECS/$$rpmspec || exit 1; \ + cp $$rpmbuild/SRPMS/$$rpmpkg . || exit 1; \ + rm -R $$rpmbuild) + +rpm-common: + @(dist=`$(RPM) --eval %{?dist}`; \ + rpmpkg=$(pkg)-$(VERSION)-$(RELEASE)$$dist*src.rpm; \ + rpmspec=$(pkg).spec; \ + rpmbuild=`mktemp -t -d $(PACKAGE)-build-$$USER-XXXXXXXX`; \ + $(MAKE) $(AM_MAKEFLAGS) \ + rpmbuild="$$rpmbuild" \ + rpmspec="$$rpmspec" \ + rpm-local || exit 1; \ + LANG=C ${RPMBUILD} \ + --define "_tmppath $$rpmbuild/TMP" \ + --define "_topdir $$rpmbuild" \ + $(def) --rebuild $$rpmpkg || exit 1; \ + cp $$rpmbuild/RPMS/*/* . || exit 1; \ + rm -R $$rpmbuild) diff --git a/zfs/config/tgz.am b/zfs/config/tgz.am new file mode 100644 index 000000000000..2997b1de2306 --- /dev/null +++ b/zfs/config/tgz.am @@ -0,0 +1,32 @@ +tgz-local: + @(if test "${HAVE_ALIEN}" = "no"; then \ + echo -e "\n" \ + "*** Required util ${ALIEN} missing. Please install the\n" \ + "*** package for your distribution which provides ${ALIEN},\n" \ + "*** re-run configure, and try again.\n"; \ + exit 1; \ + fi) + +tgz-kmod: tgz-local rpm-kmod +if CONFIG_KERNEL + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-kmod-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=kmod-$${name}*$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --scripts --to-tgz $$pkg1; \ + $(RM) $$pkg1 +endif + +tgz-utils: tgz-local rpm-utils +if CONFIG_USER + name=${PACKAGE}; \ + version=${VERSION}-${RELEASE}; \ + arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \ + pkg1=$${name}-$${version}.$${arch}.rpm; \ + pkg2=$${name}-devel-$${version}.$${arch}.rpm; \ + pkg3=$${name}-test-$${version}.$${arch}.rpm; \ + fakeroot $(ALIEN) --scripts --to-tgz $$pkg1 $$pkg2 $$pkg3; \ + $(RM) $$pkg1 $$pkg2 $$pkg3 +endif + +tgz: tgz-kmod tgz-utils diff --git a/zfs/config/user-arch.m4 b/zfs/config/user-arch.m4 new file mode 100644 index 000000000000..fcc566fc5db5 --- /dev/null +++ b/zfs/config/user-arch.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # Set the target arch for libspl atomic implementation +dnl # +AC_DEFUN([ZFS_AC_CONFIG_USER_ARCH], [ + AC_MSG_CHECKING(for target asm dir) + TARGET_ARCH=`echo ${target_cpu} | sed -e s/i.86/i386/` + + case $TARGET_ARCH in + i386|x86_64) + TARGET_ASM_DIR=asm-${TARGET_ARCH} + ;; + *) + TARGET_ASM_DIR=asm-generic + ;; + esac + + AC_SUBST([TARGET_ASM_DIR]) + AC_MSG_RESULT([$TARGET_ASM_DIR]) +]) diff --git a/zfs/config/user-dracut.m4 b/zfs/config/user-dracut.m4 new file mode 100644 index 000000000000..95f800bda47a --- /dev/null +++ b/zfs/config/user-dracut.m4 @@ -0,0 +1,22 @@ +AC_DEFUN([ZFS_AC_CONFIG_USER_DRACUT], [ + AC_MSG_CHECKING(for dracut directory) + AC_ARG_WITH([dracutdir], + AC_HELP_STRING([--with-dracutdir=DIR], + [install dracut helpers @<:@default=check@:>@]), + [dracutdir=$withval], + [dracutdir=check]) + + AS_IF([test "x$dracutdir" = xcheck], [ + path1=/usr/share/dracut + path2=/usr/lib/dracut + default=$path2 + + AS_IF([test -d "$path1"], [dracutdir="$path1"], [ + AS_IF([test -d "$path2"], [dracutdir="$path2"], + [dracutdir="$default"]) + ]) + ]) + + AC_SUBST(dracutdir) + AC_MSG_RESULT([$dracutdir]) +]) diff --git a/zfs/config/user-frame-larger-than.m4 b/zfs/config/user-frame-larger-than.m4 new file mode 100644 index 000000000000..e0828eca079c --- /dev/null +++ b/zfs/config/user-frame-larger-than.m4 @@ -0,0 +1,22 @@ +dnl # +dnl # Check if gcc supports -Wframe-larger-than= option. +dnl # +AC_DEFUN([ZFS_AC_CONFIG_USER_FRAME_LARGER_THAN], [ + AC_MSG_CHECKING([for -Wframe-larger-than= support]) + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wframe-larger-than=1024" + + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], + [ + FRAME_LARGER_THAN=-Wframe-larger-than=1024 + AC_MSG_RESULT([yes]) + ], + [ + FRAME_LARGER_THAN= + AC_MSG_RESULT([no]) + ]) + + CFLAGS="$saved_flags" + AC_SUBST([FRAME_LARGER_THAN]) +]) diff --git a/zfs/config/user-libblkid.m4 b/zfs/config/user-libblkid.m4 new file mode 100644 index 000000000000..2dd26238c70e --- /dev/null +++ b/zfs/config/user-libblkid.m4 @@ -0,0 +1,113 @@ +dnl # +dnl # Check for ZFS support in libblkid. This test needs to check +dnl # more than if the library exists because we expect there are +dnl # at least 3 flavors of the library out in the wild: +dnl # +dnl # 1) blkid which has no ZFS support +dnl # 2) blkid with ZFS support and a flawed method of probing +dnl # 3) blkid with ZFS support and a working method of probing +dnl # +dnl # To handle this the check first validates that there is a version +dnl # of the library installed. If there is it creates a simulated +dnl # ZFS filesystem and then links a small test app which attempts +dnl # to detect the simualated filesystem type. If it correctly +dnl # identifies the filesystem as ZFS we can safely assume case 3). +dnl # Otherwise we disable blkid support and resort to manual probing. +dnl # +AC_DEFUN([ZFS_AC_CONFIG_USER_LIBBLKID], [ + AC_ARG_WITH([blkid], + [AS_HELP_STRING([--with-blkid], + [support blkid caching @<:@default=check@:>@])], + [], + [with_blkid=check]) + + LIBBLKID= + AS_IF([test "x$with_blkid" = xyes], + [ + AC_SUBST([LIBBLKID], ["-lblkid"]) + AC_DEFINE([HAVE_LIBBLKID], 1, + [Define if you have libblkid]) + ]) + + AS_IF([test "x$with_blkid" = xcheck], + [ + AC_CHECK_LIB([blkid], [blkid_get_cache], + [ + AC_MSG_CHECKING([for blkid zfs support]) + + ZFS_DEV=`mktemp` + truncate -s 64M $ZFS_DEV + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=128 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=132 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=136 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=140 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + + saved_LIBS="$LIBS" + LIBS="-lblkid" + + AC_RUN_IFELSE([AC_LANG_PROGRAM( + [ + #include + #include + #include + ], + [ + blkid_cache cache; + char *value; + + if (blkid_get_cache(&cache, NULL) < 0) + return 1; + + value = blkid_get_tag_value(cache, "TYPE", + "$ZFS_DEV"); + if (!value) { + blkid_put_cache(cache); + return 2; + } + + if (strcmp(value, "zfs_member")) { + free(value); + blkid_put_cache(cache); + return 0; + } + + free(value); + blkid_put_cache(cache); + ])], + [ + rm -f $ZFS_DEV + AC_MSG_RESULT([yes]) + AC_SUBST([LIBBLKID], ["-lblkid"]) + AC_DEFINE([HAVE_LIBBLKID], 1, + [Define if you have libblkid]) + ], + [ + rm -f $ZFS_DEV + AC_MSG_RESULT([no]) + AS_IF([test "x$with_blkid" != xcheck], + [AC_MSG_FAILURE( + [--with-blkid given but unavailable])]) + ]) + + LIBS="$saved_LIBS" + ], + [ + AS_IF([test "x$with_blkid" != xcheck], + [AC_MSG_FAILURE( + [--with-blkid given but unavailable])]) + ] + []) + ]) +]) diff --git a/zfs/config/user-libuuid.m4 b/zfs/config/user-libuuid.m4 new file mode 100644 index 000000000000..aba375a22820 --- /dev/null +++ b/zfs/config/user-libuuid.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # Check for libuuid +dnl # +AC_DEFUN([ZFS_AC_CONFIG_USER_LIBUUID], [ + LIBUUID= + + AC_CHECK_HEADER([uuid/uuid.h], [], [AC_MSG_FAILURE([ + *** uuid/uuid.h missing, libuuid-devel package required])]) + + AC_CHECK_LIB([uuid], [uuid_generate], [], [AC_MSG_FAILURE([ + *** uuid_generate() missing, libuuid-devel package required])]) + + AC_CHECK_LIB([uuid], [uuid_is_null], [], [AC_MSG_FAILURE([ + *** uuid_is_null() missing, libuuid-devel package required])]) + + AC_SUBST([LIBUUID], ["-luuid"]) + AC_DEFINE([HAVE_LIBUUID], 1, [Define if you have libuuid]) +]) diff --git a/zfs/config/user-runstatedir.m4 b/zfs/config/user-runstatedir.m4 new file mode 100644 index 000000000000..ded1362c7b22 --- /dev/null +++ b/zfs/config/user-runstatedir.m4 @@ -0,0 +1,6 @@ +dnl For backwards compatibility; runstatedir added in autoconf 2.70. +AC_DEFUN([ZFS_AC_CONFIG_USER_RUNSTATEDIR], [ + if test "x$runstatedir" = x; then + AC_SUBST([runstatedir], ['${localstatedir}/run']) + fi +]) diff --git a/zfs/config/user-systemd.m4 b/zfs/config/user-systemd.m4 new file mode 100644 index 000000000000..c2105abce0ec --- /dev/null +++ b/zfs/config/user-systemd.m4 @@ -0,0 +1,35 @@ +AC_DEFUN([ZFS_AC_CONFIG_USER_SYSTEMD], [ + AC_ARG_ENABLE(systemd, + AC_HELP_STRING([--enable-systemd], + [install systemd unit/preset files [[default: yes]]]), + [],enable_systemd=yes) + + AC_ARG_WITH(systemdunitdir, + AC_HELP_STRING([--with-systemdunitdir=DIR], + [install systemd unit files in dir [[/usr/lib/systemd/system]]]), + systemdunitdir=$withval,systemdunitdir=/usr/lib/systemd/system) + + AC_ARG_WITH(systemdpresetdir, + AC_HELP_STRING([--with-systemdpresetdir=DIR], + [install systemd preset files in dir [[/usr/lib/systemd/system-preset]]]), + systemdpresetdir=$withval,systemdpresetdir=/usr/lib/systemd/system-preset) + + AC_ARG_WITH(systemdmodulesloaddir, + AC_HELP_STRING([--with-systemdmodulesloaddir=DIR], + [install systemd module load files into dir [[/usr/lib/modules-load.d]]]), + systemdmoduleloaddir=$withval,systemdmodulesloaddir=/usr/lib/modules-load.d) + + + AS_IF([test "x$enable_systemd" = xyes], + [ + ZFS_INIT_SYSTEMD=systemd + ZFS_MODULE_LOAD=modules-load.d + modulesloaddir=$systemdmodulesloaddir + ]) + + AC_SUBST(ZFS_INIT_SYSTEMD) + AC_SUBST(ZFS_MODULE_LOAD) + AC_SUBST(systemdunitdir) + AC_SUBST(systemdpresetdir) + AC_SUBST(modulesloaddir) +]) diff --git a/zfs/config/user-sysvinit.m4 b/zfs/config/user-sysvinit.m4 new file mode 100644 index 000000000000..65dcc3819231 --- /dev/null +++ b/zfs/config/user-sysvinit.m4 @@ -0,0 +1,11 @@ +AC_DEFUN([ZFS_AC_CONFIG_USER_SYSVINIT], [ + AC_ARG_ENABLE(sysvinit, + AC_HELP_STRING([--enable-sysvinit], + [install SysV init scripts [default: yes]]), + [],enable_sysvinit=yes) + + AS_IF([test "x$enable_sysvinit" = xyes], + [ZFS_INIT_SYSV=init.d]) + + AC_SUBST(ZFS_INIT_SYSV) +]) diff --git a/zfs/config/user-udev.m4 b/zfs/config/user-udev.m4 new file mode 100644 index 000000000000..65dc79fb4847 --- /dev/null +++ b/zfs/config/user-udev.m4 @@ -0,0 +1,29 @@ +AC_DEFUN([ZFS_AC_CONFIG_USER_UDEV], [ + AC_MSG_CHECKING(for udev directories) + AC_ARG_WITH(udevdir, + AC_HELP_STRING([--with-udevdir=DIR], + [install udev helpers @<:@default=check@:>@]), + [udevdir=$withval], + [udevdir=check]) + + AS_IF([test "x$udevdir" = xcheck], [ + path1=/lib/udev + path2=/usr/lib/udev + default=$path2 + + AS_IF([test -d "$path1"], [udevdir="$path1"], [ + AS_IF([test -d "$path2"], [udevdir="$path2"], + [udevdir="$default"]) + ]) + ]) + + AC_ARG_WITH(udevruledir, + AC_HELP_STRING([--with-udevruledir=DIR], + [install udev rules [[UDEVDIR/rules.d]]]), + [udevruledir=$withval], + [udevruledir="${udevdir}/rules.d"]) + + AC_SUBST(udevdir) + AC_SUBST(udevruledir) + AC_MSG_RESULT([$udevdir;$udevruledir]) +]) diff --git a/zfs/config/user-zlib.m4 b/zfs/config/user-zlib.m4 new file mode 100644 index 000000000000..a48361662e4f --- /dev/null +++ b/zfs/config/user-zlib.m4 @@ -0,0 +1,21 @@ +dnl # +dnl # Check for zlib +dnl # +AC_DEFUN([ZFS_AC_CONFIG_USER_ZLIB], [ + ZLIB= + + AC_CHECK_HEADER([zlib.h], [], [AC_MSG_FAILURE([ + *** zlib.h missing, zlib-devel package required])]) + + AC_CHECK_LIB([z], [compress2], [], [AC_MSG_FAILURE([ + *** compress2() missing, zlib-devel package required])]) + + AC_CHECK_LIB([z], [uncompress], [], [AC_MSG_FAILURE([ + *** uncompress() missing, zlib-devel package required])]) + + AC_CHECK_LIB([z], [crc32], [], [AC_MSG_FAILURE([ + *** crc32() missing, zlib-devel package required])]) + + AC_SUBST([ZLIB], ["-lz"]) + AC_DEFINE([HAVE_ZLIB], 1, [Define if you have zlib]) +]) diff --git a/zfs/config/user.m4 b/zfs/config/user.m4 new file mode 100644 index 000000000000..a86b5524a4e8 --- /dev/null +++ b/zfs/config/user.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # Default ZFS user configuration +dnl # +AC_DEFUN([ZFS_AC_CONFIG_USER], [ + ZFS_AC_DKMS_INHIBIT + ZFS_AC_CONFIG_USER_MOUNT_HELPER + ZFS_AC_CONFIG_USER_UDEV + ZFS_AC_CONFIG_USER_SYSTEMD + ZFS_AC_CONFIG_USER_SYSVINIT + ZFS_AC_CONFIG_USER_DRACUT + ZFS_AC_CONFIG_USER_ARCH + ZFS_AC_CONFIG_USER_ZLIB + ZFS_AC_CONFIG_USER_LIBUUID + ZFS_AC_CONFIG_USER_LIBBLKID + ZFS_AC_CONFIG_USER_FRAME_LARGER_THAN + ZFS_AC_CONFIG_USER_RUNSTATEDIR +dnl # +dnl # Checks for library functions + AC_CHECK_FUNCS([mlockall]) +]) diff --git a/zfs/config/zfs-build.m4 b/zfs/config/zfs-build.m4 new file mode 100644 index 000000000000..facd30282701 --- /dev/null +++ b/zfs/config/zfs-build.m4 @@ -0,0 +1,347 @@ +AC_DEFUN([ZFS_AC_LICENSE], [ + AC_MSG_CHECKING([zfs author]) + AC_MSG_RESULT([$ZFS_META_AUTHOR]) + + AC_MSG_CHECKING([zfs license]) + AC_MSG_RESULT([$ZFS_META_LICENSE]) +]) + +AC_DEFUN([ZFS_AC_DEBUG], [ + AC_MSG_CHECKING([whether debugging is enabled]) + AC_ARG_ENABLE([debug], + [AS_HELP_STRING([--enable-debug], + [Enable generic debug support @<:@default=no@:>@])], + [], + [enable_debug=no]) + + AS_IF([test "x$enable_debug" = xyes], + [ + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror" + HOSTCFLAGS="${HOSTCFLAGS} -DDEBUG -Werror" + DEBUG_CFLAGS="-DDEBUG -Werror" + DEBUG_STACKFLAGS="-fstack-check" + DEBUG_ZFS="_with_debug" + AC_DEFINE(ZFS_DEBUG, 1, [zfs debugging enabled]) + ], + [ + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG " + HOSTCFLAGS="${HOSTCFLAGS} -DNDEBUG " + DEBUG_CFLAGS="-DNDEBUG" + DEBUG_STACKFLAGS="" + DEBUG_ZFS="_without_debug" + ]) + + AC_SUBST(DEBUG_CFLAGS) + AC_SUBST(DEBUG_STACKFLAGS) + AC_SUBST(DEBUG_ZFS) + AC_MSG_RESULT([$enable_debug]) +]) + +AC_DEFUN([ZFS_AC_DEBUG_DMU_TX], [ + AC_ARG_ENABLE([debug-dmu-tx], + [AS_HELP_STRING([--enable-debug-dmu-tx], + [Enable dmu tx validation @<:@default=no@:>@])], + [], + [enable_debug_dmu_tx=no]) + + AS_IF([test "x$enable_debug_dmu_tx" = xyes], + [ + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_DMU_TX" + DEBUG_DMU_TX="_with_debug_dmu_tx" + AC_DEFINE([DEBUG_DMU_TX], [1], + [Define to 1 to enabled dmu tx validation]) + ], + [ + DEBUG_DMU_TX="_without_debug_dmu_tx" + ]) + + AC_SUBST(DEBUG_DMU_TX) + AC_MSG_CHECKING([whether dmu tx validation is enabled]) + AC_MSG_RESULT([$enable_debug_dmu_tx]) +]) + +AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [ + ZFS_AC_CONFIG_ALWAYS_NO_UNUSED_BUT_SET_VARIABLE + ZFS_AC_CONFIG_ALWAYS_NO_BOOL_COMPARE +]) + +AC_DEFUN([ZFS_AC_CONFIG], [ + TARGET_ASM_DIR=asm-generic + AC_SUBST(TARGET_ASM_DIR) + + ZFS_CONFIG=all + AC_ARG_WITH([config], + AS_HELP_STRING([--with-config=CONFIG], + [Config file 'kernel|user|all|srpm']), + [ZFS_CONFIG="$withval"]) + AC_ARG_ENABLE([linux-builtin], + [AC_HELP_STRING([--enable-linux-builtin], + [Configure for builtin in-tree kernel modules @<:@default=no@:>@])], + [], + [enable_linux_builtin=no]) + + AC_MSG_CHECKING([zfs config]) + AC_MSG_RESULT([$ZFS_CONFIG]); + AC_SUBST(ZFS_CONFIG) + + ZFS_AC_CONFIG_ALWAYS + + case "$ZFS_CONFIG" in + user) ZFS_AC_CONFIG_USER ;; + kernel) ZFS_AC_CONFIG_KERNEL ;; + all) ZFS_AC_CONFIG_KERNEL + ZFS_AC_CONFIG_USER ;; + srpm) ;; + *) + AC_MSG_RESULT([Error!]) + AC_MSG_ERROR([Bad value "$ZFS_CONFIG" for --with-config, + user kernel|user|all|srpm]) ;; + esac + + AM_CONDITIONAL([CONFIG_USER], + [test "$ZFS_CONFIG" = user -o "$ZFS_CONFIG" = all]) + AM_CONDITIONAL([CONFIG_KERNEL], + [test "$ZFS_CONFIG" = kernel -o "$ZFS_CONFIG" = all] && + [test "x$enable_linux_builtin" != xyes ]) +]) + +dnl # +dnl # Check for rpm+rpmbuild to build RPM packages. If these tools +dnl # are missing it is non-fatal but you will not be able to build +dnl # RPM packages and will be warned if you try too. +dnl # +dnl # By default the generic spec file will be used because it requires +dnl # minimal dependencies. Distribution specific spec files can be +dnl # placed under the 'rpm/' directory and enabled using +dnl # the --with-spec= configure option. +dnl # +AC_DEFUN([ZFS_AC_RPM], [ + RPM=rpm + RPMBUILD=rpmbuild + + AC_MSG_CHECKING([whether $RPM is available]) + AS_IF([tmp=$($RPM --version 2>/dev/null)], [ + RPM_VERSION=$(echo $tmp | $AWK '/RPM/ { print $[3] }') + HAVE_RPM=yes + AC_MSG_RESULT([$HAVE_RPM ($RPM_VERSION)]) + ],[ + HAVE_RPM=no + AC_MSG_RESULT([$HAVE_RPM]) + ]) + + AC_MSG_CHECKING([whether $RPMBUILD is available]) + AS_IF([tmp=$($RPMBUILD --version 2>/dev/null)], [ + RPMBUILD_VERSION=$(echo $tmp | $AWK '/RPM/ { print $[3] }') + HAVE_RPMBUILD=yes + AC_MSG_RESULT([$HAVE_RPMBUILD ($RPMBUILD_VERSION)]) + ],[ + HAVE_RPMBUILD=no + AC_MSG_RESULT([$HAVE_RPMBUILD]) + ]) + + RPM_DEFINE_COMMON='--define "$(DEBUG_ZFS) 1" --define "$(DEBUG_DMU_TX) 1"' + RPM_DEFINE_UTIL='--define "_dracutdir $(dracutdir)" --define "_udevdir $(udevdir)" --define "_udevruledir $(udevruledir)" --define "_initconfdir $(DEFAULT_INITCONF_DIR)" $(DEFINE_INITRAMFS)' + RPM_DEFINE_KMOD='--define "kernels $(LINUX_VERSION)" --define "require_spldir $(SPL)" --define "require_splobj $(SPL_OBJ)" --define "ksrc $(LINUX)" --define "kobj $(LINUX_OBJ)"' + RPM_DEFINE_DKMS= + + SRPM_DEFINE_COMMON='--define "build_src_rpm 1"' + SRPM_DEFINE_UTIL= + SRPM_DEFINE_KMOD= + SRPM_DEFINE_DKMS= + + RPM_SPEC_DIR="rpm/generic" + AC_ARG_WITH([spec], + AS_HELP_STRING([--with-spec=SPEC], + [Spec files 'generic|redhat']), + [RPM_SPEC_DIR="rpm/$withval"]) + + AC_MSG_CHECKING([whether spec files are available]) + AC_MSG_RESULT([yes ($RPM_SPEC_DIR/*.spec.in)]) + + AC_SUBST(HAVE_RPM) + AC_SUBST(RPM) + AC_SUBST(RPM_VERSION) + + AC_SUBST(HAVE_RPMBUILD) + AC_SUBST(RPMBUILD) + AC_SUBST(RPMBUILD_VERSION) + + AC_SUBST(RPM_SPEC_DIR) + AC_SUBST(RPM_DEFINE_UTIL) + AC_SUBST(RPM_DEFINE_KMOD) + AC_SUBST(RPM_DEFINE_DKMS) + AC_SUBST(RPM_DEFINE_COMMON) + AC_SUBST(SRPM_DEFINE_UTIL) + AC_SUBST(SRPM_DEFINE_KMOD) + AC_SUBST(SRPM_DEFINE_DKMS) + AC_SUBST(SRPM_DEFINE_COMMON) +]) + +dnl # +dnl # Check for dpkg+dpkg-buildpackage to build DEB packages. If these +dnl # tools are missing it is non-fatal but you will not be able to build +dnl # DEB packages and will be warned if you try too. +dnl # +AC_DEFUN([ZFS_AC_DPKG], [ + DPKG=dpkg + DPKGBUILD=dpkg-buildpackage + + AC_MSG_CHECKING([whether $DPKG is available]) + AS_IF([tmp=$($DPKG --version 2>/dev/null)], [ + DPKG_VERSION=$(echo $tmp | $AWK '/Debian/ { print $[7] }') + HAVE_DPKG=yes + AC_MSG_RESULT([$HAVE_DPKG ($DPKG_VERSION)]) + ],[ + HAVE_DPKG=no + AC_MSG_RESULT([$HAVE_DPKG]) + ]) + + AC_MSG_CHECKING([whether $DPKGBUILD is available]) + AS_IF([tmp=$($DPKGBUILD --version 2>/dev/null)], [ + DPKGBUILD_VERSION=$(echo $tmp | \ + $AWK '/Debian/ { print $[4] }' | cut -f-4 -d'.') + HAVE_DPKGBUILD=yes + AC_MSG_RESULT([$HAVE_DPKGBUILD ($DPKGBUILD_VERSION)]) + ],[ + HAVE_DPKGBUILD=no + AC_MSG_RESULT([$HAVE_DPKGBUILD]) + ]) + + AC_SUBST(HAVE_DPKG) + AC_SUBST(DPKG) + AC_SUBST(DPKG_VERSION) + + AC_SUBST(HAVE_DPKGBUILD) + AC_SUBST(DPKGBUILD) + AC_SUBST(DPKGBUILD_VERSION) +]) + +dnl # +dnl # Until native packaging for various different packing systems +dnl # can be added the least we can do is attempt to use alien to +dnl # convert the RPM packages to the needed package type. This is +dnl # a hack but so far it has worked reasonable well. +dnl # +AC_DEFUN([ZFS_AC_ALIEN], [ + ALIEN=alien + + AC_MSG_CHECKING([whether $ALIEN is available]) + AS_IF([tmp=$($ALIEN --version 2>/dev/null)], [ + ALIEN_VERSION=$(echo $tmp | $AWK '{ print $[3] }') + HAVE_ALIEN=yes + AC_MSG_RESULT([$HAVE_ALIEN ($ALIEN_VERSION)]) + ],[ + HAVE_ALIEN=no + AC_MSG_RESULT([$HAVE_ALIEN]) + ]) + + AC_SUBST(HAVE_ALIEN) + AC_SUBST(ALIEN) + AC_SUBST(ALIEN_VERSION) +]) + +dnl # +dnl # Using the VENDOR tag from config.guess set the default +dnl # package type for 'make pkg': (rpm | deb | tgz) +dnl # +AC_DEFUN([ZFS_AC_DEFAULT_PACKAGE], [ + AC_MSG_CHECKING([linux distribution]) + if test -f /etc/toss-release ; then + VENDOR=toss ; + elif test -f /etc/fedora-release ; then + VENDOR=fedora ; + elif test -f /etc/redhat-release ; then + VENDOR=redhat ; + elif test -f /etc/gentoo-release ; then + VENDOR=gentoo ; + elif test -f /etc/arch-release ; then + VENDOR=arch ; + elif test -f /etc/SuSE-release ; then + VENDOR=sles ; + elif test -f /etc/slackware-version ; then + VENDOR=slackware ; + elif test -f /etc/lunar.release ; then + VENDOR=lunar ; + elif test -f /etc/lsb-release ; then + VENDOR=ubuntu ; + elif test -f /etc/debian_version ; then + VENDOR=debian ; + else + VENDOR= ; + fi + AC_MSG_RESULT([$VENDOR]) + AC_SUBST(VENDOR) + + AC_MSG_CHECKING([default package type]) + case "$VENDOR" in + toss) DEFAULT_PACKAGE=rpm ;; + redhat) DEFAULT_PACKAGE=rpm ;; + fedora) DEFAULT_PACKAGE=rpm ;; + gentoo) DEFAULT_PACKAGE=tgz ;; + arch) DEFAULT_PACKAGE=tgz ;; + sles) DEFAULT_PACKAGE=rpm ;; + slackware) DEFAULT_PACKAGE=tgz ;; + lunar) DEFAULT_PACKAGE=tgz ;; + ubuntu) DEFAULT_PACKAGE=deb ;; + debian) DEFAULT_PACKAGE=deb ;; + *) DEFAULT_PACKAGE=rpm ;; + esac + AC_MSG_RESULT([$DEFAULT_PACKAGE]) + AC_SUBST(DEFAULT_PACKAGE) + + DEFAULT_INIT_DIR=$sysconfdir/init.d + AC_MSG_CHECKING([default init directory]) + AC_MSG_RESULT([$DEFAULT_INIT_DIR]) + AC_SUBST(DEFAULT_INIT_DIR) + + AC_MSG_CHECKING([default init script type]) + case "$VENDOR" in + toss) DEFAULT_INIT_SCRIPT=redhat ;; + redhat) DEFAULT_INIT_SCRIPT=redhat ;; + fedora) DEFAULT_INIT_SCRIPT=fedora ;; + gentoo) DEFAULT_INIT_SCRIPT=gentoo ;; + arch) DEFAULT_INIT_SCRIPT=lsb ;; + sles) DEFAULT_INIT_SCRIPT=lsb ;; + slackware) DEFAULT_INIT_SCRIPT=lsb ;; + lunar) DEFAULT_INIT_SCRIPT=lunar ;; + ubuntu) DEFAULT_INIT_SCRIPT=lsb ;; + debian) DEFAULT_INIT_SCRIPT=lsb ;; + *) DEFAULT_INIT_SCRIPT=lsb ;; + esac + AC_MSG_RESULT([$DEFAULT_INIT_SCRIPT]) + AC_SUBST(DEFAULT_INIT_SCRIPT) + + AC_MSG_CHECKING([default init config direectory]) + case "$VENDOR" in + gentoo) DEFAULT_INITCONF_DIR=/etc/conf.d ;; + toss) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + redhat) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + fedora) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + sles) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + ubuntu) DEFAULT_INITCONF_DIR=/etc/default ;; + debian) DEFAULT_INITCONF_DIR=/etc/default ;; + *) DEFAULT_INITCONF_DIR=/etc/default ;; + esac + AC_MSG_RESULT([$DEFAULT_INITCONF_DIR]) + AC_SUBST(DEFAULT_INITCONF_DIR) + + AC_MSG_CHECKING([whether initramfs-tools is available]) + if test -d /usr/share/initramfs-tools ; then + DEFINE_INITRAMFS='--define "_initramfs 1"' + AC_MSG_RESULT([yes]) + else + DEFINE_INITRAMFS='' + AC_MSG_RESULT([no]) + fi + AC_SUBST(DEFINE_INITRAMFS) +]) + +dnl # +dnl # Default ZFS package configuration +dnl # +AC_DEFUN([ZFS_AC_PACKAGE], [ + ZFS_AC_DEFAULT_PACKAGE + ZFS_AC_RPM + ZFS_AC_DPKG + ZFS_AC_ALIEN +]) diff --git a/zfs/config/zfs-meta.m4 b/zfs/config/zfs-meta.m4 new file mode 100644 index 000000000000..d174cccc7a1e --- /dev/null +++ b/zfs/config/zfs-meta.m4 @@ -0,0 +1,197 @@ +dnl # +dnl # DESCRIPTION: +dnl # Read meta data from the META file or the debian/changelog file if it +dnl # exists. When building from a git repository the ZFS_META_RELEASE field +dnl # will be overwritten if there is an annotated tag matching the form +dnl # ZFS_META_NAME-ZFS_META_VERSION-*. This allows for working builds to be +dnl # uniquely identified using the git commit hash. +dnl # +dnl # The META file format is as follows: +dnl # ^[ ]*KEY:[ \t]+VALUE$ +dnl # +dnl # In other words: +dnl # - KEY is separated from VALUE by a colon and one or more spaces/tabs. +dnl # - KEY and VALUE are case sensitive. +dnl # - Leading spaces are ignored. +dnl # - First match wins for duplicate keys. +dnl # +dnl # A line can be commented out by preceding it with a '#' (or technically +dnl # any non-space character since that will prevent the regex from +dnl # matching). +dnl # +dnl # WARNING: +dnl # Placing a colon followed by a space or tab (ie, ":[ \t]+") within the +dnl # VALUE will prematurely terminate the string since that sequence is +dnl # used as the awk field separator. +dnl # +dnl # KEYS: +dnl # The following META keys are recognized: +dnl # Name, Version, Release, Date, Author, LT_Current, LT_Revision, LT_Age +dnl # +dnl # Written by Chris Dunlap . +dnl # Modified by Brian Behlendorf . +dnl # +AC_DEFUN([ZFS_AC_META], [ + + AH_BOTTOM([ +#undef PACKAGE +#undef PACKAGE_BUGREPORT +#undef PACKAGE_NAME +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME +#undef PACKAGE_VERSION +#undef STDC_HEADERS +#undef VERSION]) + + AC_PROG_AWK + AC_MSG_CHECKING([metadata]) + + META="$srcdir/META" + _zfs_ac_meta_type="none" + if test -f "$META"; then + _zfs_ac_meta_type="META file" + _dpkg_parsechangelog=$(dpkg-parsechangelog 2>/dev/null) + + ZFS_META_NAME=_ZFS_AC_META_GETVAL([(Name|Project|Package)]); + if test -n "$ZFS_META_NAME"; then + AC_DEFINE_UNQUOTED([ZFS_META_NAME], ["$ZFS_META_NAME"], + [Define the project name.] + ) + AC_SUBST([ZFS_META_NAME]) + fi + + ZFS_META_VERSION=_ZFS_AC_META_GETVAL([Version]); + if test -n "$ZFS_META_VERSION"; then + AC_DEFINE_UNQUOTED([ZFS_META_VERSION], ["$ZFS_META_VERSION"], + [Define the project version.] + ) + AC_SUBST([ZFS_META_VERSION]) + fi + + if test -n "${_dpkg_parsechangelog}"; then + _dpkg_version=$(echo "${_dpkg_parsechangelog}" \ + | $AWK '$[]1 == "Version:" { print $[]2; }' \ + | cut -d- -f1) + if test "${_dpkg_version}" != "$ZFS_META_VERSION"; then + AC_MSG_ERROR([ + *** Version $ZFS_META_VERSION in the META file is different than + *** version $_dpkg_version in the debian/changelog file. DKMS and DEB + *** packaging require that these files have the same version. + ]) + fi + fi + + ZFS_META_RELEASE=_ZFS_AC_META_GETVAL([Release]); + + if test -n "${_dpkg_parsechangelog}"; then + _dpkg_release=$(echo "${_dpkg_parsechangelog}" \ + | $AWK '$[]1 == "Version:" { print $[]2; }' \ + | cut -d- -f2-) + if test -n "${_dpkg_release}"; then + ZFS_META_RELEASE=${_dpkg_release} + _zfs_ac_meta_type="dpkg-parsechangelog" + fi + elif test ! -f ".nogitrelease" && git rev-parse --git-dir > /dev/null 2>&1; then + _match="${ZFS_META_NAME}-${ZFS_META_VERSION}" + _alias=$(git describe --match=${_match} 2>/dev/null) + _release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g') + if test -n "${_release}"; then + ZFS_META_RELEASE=${_release} + _zfs_ac_meta_type="git describe" + fi + fi + + if test -n "$ZFS_META_RELEASE"; then + AC_DEFINE_UNQUOTED([ZFS_META_RELEASE], ["$ZFS_META_RELEASE"], + [Define the project release.] + ) + AC_SUBST([ZFS_META_RELEASE]) + + RELEASE="$ZFS_META_RELEASE" + AC_SUBST([RELEASE]) + fi + + ZFS_META_LICENSE=_ZFS_AC_META_GETVAL([License]); + if test -n "$ZFS_META_LICENSE"; then + AC_DEFINE_UNQUOTED([ZFS_META_LICENSE], ["$ZFS_META_LICENSE"], + [Define the project license.] + ) + AC_SUBST([ZFS_META_LICENSE]) + fi + + if test -n "$ZFS_META_NAME" -a -n "$ZFS_META_VERSION"; then + ZFS_META_ALIAS="$ZFS_META_NAME-$ZFS_META_VERSION" + test -n "$ZFS_META_RELEASE" && + ZFS_META_ALIAS="$ZFS_META_ALIAS-$ZFS_META_RELEASE" + AC_DEFINE_UNQUOTED([ZFS_META_ALIAS], + ["$ZFS_META_ALIAS"], + [Define the project alias string.] + ) + AC_SUBST([ZFS_META_ALIAS]) + fi + + ZFS_META_DATA=_ZFS_AC_META_GETVAL([Date]); + if test -n "$ZFS_META_DATA"; then + AC_DEFINE_UNQUOTED([ZFS_META_DATA], ["$ZFS_META_DATA"], + [Define the project release date.] + ) + AC_SUBST([ZFS_META_DATA]) + fi + + ZFS_META_AUTHOR=_ZFS_AC_META_GETVAL([Author]); + if test -n "$ZFS_META_AUTHOR"; then + AC_DEFINE_UNQUOTED([ZFS_META_AUTHOR], ["$ZFS_META_AUTHOR"], + [Define the project author.] + ) + AC_SUBST([ZFS_META_AUTHOR]) + fi + + m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$]) + ZFS_META_LT_CURRENT=_ZFS_AC_META_GETVAL([LT_Current]); + ZFS_META_LT_REVISION=_ZFS_AC_META_GETVAL([LT_Revision]); + ZFS_META_LT_AGE=_ZFS_AC_META_GETVAL([LT_Age]); + if test -n "$ZFS_META_LT_CURRENT" \ + -o -n "$ZFS_META_LT_REVISION" \ + -o -n "$ZFS_META_LT_AGE"; then + test -n "$ZFS_META_LT_CURRENT" || ZFS_META_LT_CURRENT="0" + test -n "$ZFS_META_LT_REVISION" || ZFS_META_LT_REVISION="0" + test -n "$ZFS_META_LT_AGE" || ZFS_META_LT_AGE="0" + AC_DEFINE_UNQUOTED([ZFS_META_LT_CURRENT], + ["$ZFS_META_LT_CURRENT"], + [Define the libtool library 'current' + version information.] + ) + AC_DEFINE_UNQUOTED([ZFS_META_LT_REVISION], + ["$ZFS_META_LT_REVISION"], + [Define the libtool library 'revision' + version information.] + ) + AC_DEFINE_UNQUOTED([ZFS_META_LT_AGE], ["$ZFS_META_LT_AGE"], + [Define the libtool library 'age' + version information.] + ) + AC_SUBST([ZFS_META_LT_CURRENT]) + AC_SUBST([ZFS_META_LT_REVISION]) + AC_SUBST([ZFS_META_LT_AGE]) + fi + fi + + AC_MSG_RESULT([$_zfs_ac_meta_type]) + ] +) + +dnl # _ZFS_AC_META_GETVAL (KEY_NAME_OR_REGEX) +dnl # +dnl # Returns the META VALUE associated with the given KEY_NAME_OR_REGEX expr. +dnl # +dnl # Despite their resemblance to line noise, +dnl # the "@<:@" and "@:>@" constructs are quadrigraphs for "[" and "]". +dnl # +dnl # +dnl # The "$[]1" and "$[]2" constructs prevent M4 parameter expansion +dnl # so a literal $1 and $2 will be passed to the resulting awk script, +dnl # whereas the "$1" will undergo M4 parameter expansion for the META key. +dnl # +AC_DEFUN([_ZFS_AC_META_GETVAL], + [`$AWK -F ':@<:@ \t@:>@+' '$[]1 ~ /^ *$1$/ { print $[]2; exit }' $META`]dnl +) diff --git a/zfs/configure b/zfs/configure new file mode 100755 index 000000000000..984208cf9cbf --- /dev/null +++ b/zfs/configure @@ -0,0 +1,38442 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for zfs 0.6.5.9. +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 + + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. 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Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main () +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_func + +# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES +# ------------------------------------------------------- +# Tests whether HEADER exists, giving a warning if it cannot be compiled using +# the include files in INCLUDES and setting the cache variable VAR +# accordingly. +ac_fn_c_check_header_mongrel () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if eval \${$3+:} false; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... 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"run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AWK+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +$as_echo "$AWK" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AWK" && break +done + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking metadata" >&5 +$as_echo_n "checking metadata... " >&6; } + + META="$srcdir/META" + _zfs_ac_meta_type="none" + if test -f "$META"; then + _zfs_ac_meta_type="META file" + _dpkg_parsechangelog=$(dpkg-parsechangelog 2>/dev/null) + + ZFS_META_NAME=`$AWK -F ':[ \t]+' '$1 ~ /^ *(Name|Project|Package)$/ { print $2; exit }' $META`; + if test -n "$ZFS_META_NAME"; then + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_NAME "$ZFS_META_NAME" +_ACEOF + + + fi + + ZFS_META_VERSION=`$AWK -F ':[ \t]+' '$1 ~ /^ *Version$/ { print $2; exit }' $META`; + if test -n "$ZFS_META_VERSION"; then + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_VERSION "$ZFS_META_VERSION" +_ACEOF + + + fi + + if test -n "${_dpkg_parsechangelog}"; then + _dpkg_version=$(echo "${_dpkg_parsechangelog}" \ + | $AWK '$1 == "Version:" { print $2; }' \ + | cut -d- -f1) + if test "${_dpkg_version}" != "$ZFS_META_VERSION"; then + as_fn_error $? " + *** Version $ZFS_META_VERSION in the META file is different than + *** version $_dpkg_version in the debian/changelog file. DKMS and DEB + *** packaging require that these files have the same version. + " "$LINENO" 5 + fi + fi + + ZFS_META_RELEASE=`$AWK -F ':[ \t]+' '$1 ~ /^ *Release$/ { print $2; exit }' $META`; + + if test -n "${_dpkg_parsechangelog}"; then + _dpkg_release=$(echo "${_dpkg_parsechangelog}" \ + | $AWK '$1 == "Version:" { print $2; }' \ + | cut -d- -f2-) + if test -n "${_dpkg_release}"; then + ZFS_META_RELEASE=${_dpkg_release} + _zfs_ac_meta_type="dpkg-parsechangelog" + fi + elif test ! -f ".nogitrelease" && git rev-parse --git-dir > /dev/null 2>&1; then + _match="${ZFS_META_NAME}-${ZFS_META_VERSION}" + _alias=$(git describe --match=${_match} 2>/dev/null) + _release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g') + if test -n "${_release}"; then + ZFS_META_RELEASE=${_release} + _zfs_ac_meta_type="git describe" + fi + fi + + if test -n "$ZFS_META_RELEASE"; then + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_RELEASE "$ZFS_META_RELEASE" +_ACEOF + + + + RELEASE="$ZFS_META_RELEASE" + + fi + + ZFS_META_LICENSE=`$AWK -F ':[ \t]+' '$1 ~ /^ *License$/ { print $2; exit }' $META`; + if test -n "$ZFS_META_LICENSE"; then + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_LICENSE "$ZFS_META_LICENSE" +_ACEOF + + + fi + + if test -n "$ZFS_META_NAME" -a -n "$ZFS_META_VERSION"; then + ZFS_META_ALIAS="$ZFS_META_NAME-$ZFS_META_VERSION" + test -n "$ZFS_META_RELEASE" && + ZFS_META_ALIAS="$ZFS_META_ALIAS-$ZFS_META_RELEASE" + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_ALIAS "$ZFS_META_ALIAS" +_ACEOF + + + fi + + ZFS_META_DATA=`$AWK -F ':[ \t]+' '$1 ~ /^ *Date$/ { print $2; exit }' $META`; + if test -n "$ZFS_META_DATA"; then + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_DATA "$ZFS_META_DATA" +_ACEOF + + + fi + + ZFS_META_AUTHOR=`$AWK -F ':[ \t]+' '$1 ~ /^ *Author$/ { print $2; exit }' $META`; + if test -n "$ZFS_META_AUTHOR"; then + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_AUTHOR "$ZFS_META_AUTHOR" +_ACEOF + + + fi + + + ZFS_META_LT_CURRENT=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Current$/ { print $2; exit }' $META`; + ZFS_META_LT_REVISION=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Revision$/ { print $2; exit }' $META`; + ZFS_META_LT_AGE=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Age$/ { print $2; exit }' $META`; + if test -n "$ZFS_META_LT_CURRENT" \ + -o -n "$ZFS_META_LT_REVISION" \ + -o -n "$ZFS_META_LT_AGE"; then + test -n "$ZFS_META_LT_CURRENT" || ZFS_META_LT_CURRENT="0" + test -n "$ZFS_META_LT_REVISION" || ZFS_META_LT_REVISION="0" + test -n "$ZFS_META_LT_AGE" || ZFS_META_LT_AGE="0" + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_LT_CURRENT "$ZFS_META_LT_CURRENT" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_LT_REVISION "$ZFS_META_LT_REVISION" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define ZFS_META_LT_AGE "$ZFS_META_LT_AGE" +_ACEOF + + + + + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $_zfs_ac_meta_type" >&5 +$as_echo "$_zfs_ac_meta_type" >&6; } + + +ac_aux_dir= +for ac_dir in config "$srcdir"/config; do + if test -f "$ac_dir/install-sh"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install-sh -c" + break + elif test -f "$ac_dir/install.sh"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install.sh -c" + break + elif test -f "$ac_dir/shtool"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/shtool install -c" + break + fi +done +if test -z "$ac_aux_dir"; then + as_fn_error $? "cannot find install-sh, install.sh, or shtool in config \"$srcdir\"/config" "$LINENO" 5 +fi + +# These three variables are undocumented and unsupported, +# and are intended to be withdrawn in a future Autoconf release. +# They can cause serious problems if a builder's source tree is in a directory +# whose full name contains unusual characters. +ac_config_guess="$SHELL $ac_aux_dir/config.guess" # Please don't use this var. +ac_config_sub="$SHELL $ac_aux_dir/config.sub" # Please don't use this var. +ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var. + + + +# Make sure we can run config.sub. +$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || + as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 +$as_echo_n "checking build system type... " >&6; } +if ${ac_cv_build+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_build_alias=$build_alias +test "x$ac_build_alias" = x && + ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"` +test "x$ac_build_alias" = x && + as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5 +ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5 + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 +$as_echo "$ac_cv_build" >&6; } +case $ac_cv_build in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;; +esac +build=$ac_cv_build +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_build +shift +build_cpu=$1 +build_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +build_os=$* +IFS=$ac_save_IFS +case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 +$as_echo_n "checking host system type... " >&6; } +if ${ac_cv_host+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$host_alias" = x; then + ac_cv_host=$ac_cv_build +else + ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5 +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 +$as_echo "$ac_cv_host" >&6; } +case $ac_cv_host in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;; +esac +host=$ac_cv_host +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_host +shift +host_cpu=$1 +host_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +host_os=$* +IFS=$ac_save_IFS +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5 +$as_echo_n "checking target system type... " >&6; } +if ${ac_cv_target+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$target_alias" = x; then + ac_cv_target=$ac_cv_host +else + ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5 +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5 +$as_echo "$ac_cv_target" >&6; } +case $ac_cv_target in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;; +esac +target=$ac_cv_target +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_target +shift +target_cpu=$1 +target_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +target_os=$* +IFS=$ac_save_IFS +case $target_os in *\ *) target_os=`echo "$target_os" | sed 's/ /-/g'`;; esac + + +# The aliases save the names the user supplied, while $host etc. +# will get canonicalized. +test -n "$target_alias" && + test "$program_prefix$program_suffix$program_transform_name" = \ + NONENONEs,x,x, && + program_prefix=${target_alias}- + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5 +$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; } + # Check whether --enable-maintainer-mode was given. +if test "${enable_maintainer_mode+set}" = set; then : + enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval +else + USE_MAINTAINER_MODE=no +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5 +$as_echo "$USE_MAINTAINER_MODE" >&6; } + if test $USE_MAINTAINER_MODE = yes; then + MAINTAINER_MODE_TRUE= + MAINTAINER_MODE_FALSE='#' +else + MAINTAINER_MODE_TRUE='#' + MAINTAINER_MODE_FALSE= +fi + + MAINT=$MAINTAINER_MODE_TRUE + + +# Check whether --enable-silent-rules was given. +if test "${enable_silent_rules+set}" = set; then : + enableval=$enable_silent_rules; +fi + +case $enable_silent_rules in # ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=0;; +esac +am_make=${MAKE-make} +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5 +$as_echo_n "checking whether $am_make supports nested variables... " >&6; } +if ${am_cv_make_support_nested_variables+:} false; then : + $as_echo_n "(cached) " >&6 +else + if $as_echo 'TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5 +$as_echo "$am_cv_make_support_nested_variables" >&6; } +if test $am_cv_make_support_nested_variables = yes; then + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AM_BACKSLASH='\' + +am__api_version='1.15' + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if ${ac_cv_path_install+:} false; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in #(( + ./ | .// | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5 +$as_echo_n "checking whether build environment is sane... " >&6; } +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + as_fn_error $? "ls -t appears to fail. Make sure there is not a broken + alias in your environment" "$LINENO" 5 + fi + if test "$2" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error $? "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi + +rm -f conftest.file + +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` + +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` + +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi +# Use eval to expand $SHELL +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " +else + am_missing_run= + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5 +$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5 +$as_echo_n "checking for a thread-safe mkdir -p... " >&6; } +if test -z "$MKDIR_P"; then + if ${ac_cv_path_mkdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in mkdir gmkdir; do + for ac_exec_ext in '' $ac_executable_extensions; do + as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext" || continue + case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #( + 'mkdir (GNU coreutils) '* | \ + 'mkdir (coreutils) '* | \ + 'mkdir (fileutils) '4.1*) + ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext + break 3;; + esac + done + done + done +IFS=$as_save_IFS + +fi + + test -d ./--version && rmdir ./--version + if test "${ac_cv_path_mkdir+set}" = set; then + MKDIR_P="$ac_cv_path_mkdir -p" + else + # As a last resort, use the slow shell script. Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + MKDIR_P="$ac_install_sh -d" + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5 +$as_echo "$MKDIR_P" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + SET_MAKE= +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='zfs' + VERSION='0.6.5.9' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# For better backward compatibility. To be removed once Automake 1.9.x +# dies out for good. For more background, see: +# +# +mkdir_p='$(MKDIR_P)' + +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AMTAR='$${TAR-tar}' + + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar pax cpio none' + +am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -' + + + + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: . + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5 + fi +fi + +ac_config_headers="$ac_config_headers zfs_config.h" + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +$as_echo_n "checking whether $CC understands -c and -o together... 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"no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5 +$as_echo_n "checking for fgrep... " >&6; } +if ${ac_cv_path_FGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1 + then ac_cv_path_FGREP="$GREP -F" + else + if test -z "$FGREP"; then + ac_path_FGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in fgrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_FGREP" || continue +# Check for GNU ac_path_FGREP and select it if it is found. + # Check for GNU $ac_path_FGREP +case `"$ac_path_FGREP" --version 2>&1` in +*GNU*) + ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'FGREP' >> "conftest.nl" + "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_FGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_FGREP="$ac_path_FGREP" + ac_path_FGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_FGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_FGREP"; then + as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_FGREP=$FGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5 +$as_echo "$ac_cv_path_FGREP" >&6; } + FGREP="$ac_cv_path_FGREP" + + +test -z "$GREP" && GREP=grep + + + + + + + + + + + + + + + + + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 +$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM=$NM +else + lt_nm_to_check=${ac_tool_prefix}nm + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/$lt_tmp_nm + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the 'sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty + case $build_os in + mingw*) lt_bad_file=conftest.nm/nofile ;; + *) lt_bad_file=/dev/null ;; + esac + case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in + *$lt_bad_file* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break 2 + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break 2 + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS=$lt_save_ifs + done + : ${lt_cv_path_NM=no} +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } +if test no != "$lt_cv_path_NM"; then + NM=$lt_cv_path_NM +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + if test -n "$ac_tool_prefix"; then + for ac_prog in dumpbin "link -dump" + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DUMPBIN"; then + ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DUMPBIN=$ac_cv_prog_DUMPBIN +if test -n "$DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 +$as_echo "$DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$DUMPBIN" && break + done +fi +if test -z "$DUMPBIN"; then + ac_ct_DUMPBIN=$DUMPBIN + for ac_prog in dumpbin "link -dump" +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DUMPBIN"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN +if test -n "$ac_ct_DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 +$as_echo "$ac_ct_DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_DUMPBIN" && break +done + + if test "x$ac_ct_DUMPBIN" = x; then + DUMPBIN=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DUMPBIN=$ac_ct_DUMPBIN + fi +fi + + case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols -headers" + ;; + *) + DUMPBIN=: + ;; + esac + fi + + if test : != "$DUMPBIN"; then + NM=$DUMPBIN + fi +fi +test -z "$NM" && NM=nm + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 +$as_echo_n "checking the name lister ($NM) interface... " >&6; } +if ${lt_cv_nm_interface+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: output\"" >&5) + cat conftest.out >&5 + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 +$as_echo "$lt_cv_nm_interface" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + +# find the maximum length of command line arguments +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 +else + i=0 + teststring=ABCD + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test X`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test 17 != "$i" # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac + +fi + +if test -n "$lt_cv_sys_max_cmd_len"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } +fi +max_cmd_len=$lt_cv_sys_max_cmd_len + + + + + + +: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi + + + + + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 +$as_echo_n "checking how to convert $build file names to $host format... " >&6; } +if ${lt_cv_to_host_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac + +fi + +to_host_file_cmd=$lt_cv_to_host_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 +$as_echo "$lt_cv_to_host_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 +$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } +if ${lt_cv_to_tool_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + #assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac + +fi + +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 +$as_echo "$lt_cv_to_tool_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_reload_flag='-r' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } +reload_flag=$lt_cv_ld_reload_flag +case $reload_flag in +"" | " "*) ;; +*) reload_flag=" $reload_flag" ;; +esac +reload_cmds='$LD$reload_flag -o $output$reload_objs' +case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + if test yes != "$GCC"; then + reload_cmds=false + fi + ;; + darwin*) + if test yes = "$GCC"; then + reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' + else + reload_cmds='$LD$reload_flag -o $output$reload_objs' + fi + ;; +esac + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. +set dummy ${ac_tool_prefix}objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OBJDUMP"; then + ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJDUMP=$ac_cv_prog_OBJDUMP +if test -n "$OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OBJDUMP"; then + ac_ct_OBJDUMP=$OBJDUMP + # Extract the first word of "objdump", so it can be a program name with args. +set dummy objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OBJDUMP"; then + ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OBJDUMP="objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP +if test -n "$ac_ct_OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OBJDUMP" = x; then + OBJDUMP="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJDUMP=$ac_ct_OBJDUMP + fi +else + OBJDUMP="$ac_cv_prog_OBJDUMP" +fi + +test -z "$OBJDUMP" && OBJDUMP=objdump + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# 'unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# that responds to the $file_magic_cmd with a given extended regex. +# If you have 'file' or equivalent on your system and you're not sure +# whether 'pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[4-9]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[45]*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + if ( file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[3-9]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd* | bitrig*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +os2*) + lt_cv_deplibs_check_method=pass_all + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + + + + + + + + + + + + + + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. +set dummy ${ac_tool_prefix}dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DLLTOOL"; then + ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DLLTOOL=$ac_cv_prog_DLLTOOL +if test -n "$DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DLLTOOL"; then + ac_ct_DLLTOOL=$DLLTOOL + # Extract the first word of "dlltool", so it can be a program name with args. +set dummy dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DLLTOOL"; then + ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DLLTOOL="dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL +if test -n "$ac_ct_DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DLLTOOL" = x; then + DLLTOOL="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DLLTOOL=$ac_ct_DLLTOOL + fi +else + DLLTOOL="$ac_cv_prog_DLLTOOL" +fi + +test -z "$DLLTOOL" && DLLTOOL=dlltool + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 +$as_echo_n "checking how to associate runtime and link libraries... " >&6; } +if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh; + # decide which one to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd=$ECHO + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 +$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + + + + + + + + +if test -n "$ac_tool_prefix"; then + for ac_prog in ar + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AR="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AR" && break + done +fi +if test -z "$AR"; then + ac_ct_AR=$AR + for ac_prog in ar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_AR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_AR" && break +done + + if test "x$ac_ct_AR" = x; then + AR="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +fi + +: ${AR=ar} +: ${AR_FLAGS=cru} + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 +$as_echo_n "checking for archiver @FILE support... " >&6; } +if ${lt_cv_ar_at_file+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ar_at_file=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -eq "$ac_status"; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -ne "$ac_status"; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 +$as_echo "$lt_cv_ar_at_file" >&6; } + +if test no = "$lt_cv_ar_at_file"; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +test -z "$STRIP" && STRIP=: + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +test -z "$RANLIB" && RANLIB=: + + + + + + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + bitrig* | openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# Check for command to grab the raw symbol name followed by C symbol from nm. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 +else + +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[BCDT]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[ABCDGISTW]' + ;; +hpux*) + if test ia64 = "$host_cpu"; then + symcode='[ABCDEGRST]' + fi + ;; +irix* | nonstopux*) + symcode='[BCDEGRST]' + ;; +osf*) + symcode='[BCDEGQRST]' + ;; +solaris*) + symcode='[BDRT]' + ;; +sco3.2v5*) + symcode='[DT]' + ;; +sysv4.2uw2*) + symcode='[DT]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[ABDT]' + ;; +sysv4) + symcode='[DFNSTU]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[ABCDGIRSTW]' ;; +esac + +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Gets list of data symbols to import. + lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" + # Adjust the below global symbol transforms to fixup imported variables. + lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" + lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" + lt_c_name_lib_hook="\ + -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ + -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" +else + # Disable hooks by default. + lt_cv_sys_global_symbol_to_import= + lt_cdecl_hook= + lt_c_name_hook= + lt_c_name_lib_hook= +fi + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n"\ +$lt_cdecl_hook\ +" -e 's/^T .* \(.*\)$/extern int \1();/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ +$lt_c_name_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" + +# Transform an extracted symbol line into symbol name with lib prefix and +# symbol address. +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ +$lt_c_name_lib_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function, + # D for any global variable and I for any imported variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ +" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ +" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ +" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ +" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Now try to grab the symbols. + nlist=conftest.nm + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 + (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS=conftstm.$ac_objext + CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest$ac_exeext; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&5 + fi + else + echo "cannot find nm_test_var in $nlist" >&5 + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 + fi + else + echo "$progname: failed program was:" >&5 + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test yes = "$pipe_works"; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done + +fi + +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 +$as_echo_n "checking for sysroot... " >&6; } + +# Check whether --with-sysroot was given. +if test "${with_sysroot+set}" = set; then : + withval=$with_sysroot; +else + with_sysroot=no +fi + + +lt_sysroot= +case $with_sysroot in #( + yes) + if test yes = "$GCC"; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 +$as_echo "$with_sysroot" >&6; } + as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 + ;; +esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 +$as_echo "${lt_sysroot:-no}" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 +$as_echo_n "checking for a working dd... " >&6; } +if ${ac_cv_path_lt_DD+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +: ${lt_DD:=$DD} +if test -z "$lt_DD"; then + ac_path_lt_DD_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in dd; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_lt_DD" || continue +if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: +fi + $ac_path_lt_DD_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_lt_DD"; then + : + fi +else + ac_cv_path_lt_DD=$lt_DD +fi + +rm -f conftest.i conftest2.i conftest.out +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 +$as_echo "$ac_cv_path_lt_DD" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 +$as_echo_n "checking how to truncate binary pipes... " >&6; } +if ${lt_cv_truncate_bin+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +lt_cv_truncate_bin= +if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" +fi +rm -f conftest.i conftest2.i conftest.out +test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 +$as_echo "$lt_cv_truncate_bin" >&6; } + + + + + + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + +# Check whether --enable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then : + enableval=$enable_libtool_lock; +fi + +test no = "$enable_libtool_lock" || enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out what ABI is being produced by ac_compile, and set mode + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE=32 + ;; + *ELF-64*) + HPUX_IA64_MODE=64 + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + if test yes = "$lt_cv_prog_gnu_ld"; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +mips64*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + emul=elf + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + emul="${emul}32" + ;; + *64-bit*) + emul="${emul}64" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *MSB*) + emul="${emul}btsmip" + ;; + *LSB*) + emul="${emul}ltsmip" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *N32*) + emul="${emul}n32" + ;; + esac + LD="${LD-ld} -m $emul" + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. Note that the listed cases only cover the + # situations where additional linker options are needed (such as when + # doing 32-bit compilation for a host where ld defaults to 64-bit, or + # vice versa); the common cases where no linker options are needed do + # not appear in the list. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*linux*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*linux*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -belf" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_cc_needs_belf=yes +else + lt_cv_cc_needs_belf=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } + if test yes != "$lt_cv_cc_needs_belf"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS=$SAVE_CFLAGS + fi + ;; +*-*solaris*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*|x86_64-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD=${LD-ld}_sol2 + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks=$enable_libtool_lock + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. +set dummy ${ac_tool_prefix}mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MANIFEST_TOOL"; then + ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL +if test -n "$MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 +$as_echo "$MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_MANIFEST_TOOL"; then + ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL + # Extract the first word of "mt", so it can be a program name with args. +set dummy mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_MANIFEST_TOOL"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL +if test -n "$ac_ct_MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 +$as_echo "$ac_ct_MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_MANIFEST_TOOL" = x; then + MANIFEST_TOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL + fi +else + MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" +fi + +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 +$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } +if ${lt_cv_path_mainfest_tool+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&5 + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 +$as_echo "$lt_cv_path_mainfest_tool" >&6; } +if test yes != "$lt_cv_path_mainfest_tool"; then + MANIFEST_TOOL=: +fi + + + + + + + case $host_os in + rhapsody* | darwin*) + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. +set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DSYMUTIL"; then + ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DSYMUTIL=$ac_cv_prog_DSYMUTIL +if test -n "$DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DSYMUTIL"; then + ac_ct_DSYMUTIL=$DSYMUTIL + # Extract the first word of "dsymutil", so it can be a program name with args. +set dummy dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DSYMUTIL"; then + ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL +if test -n "$ac_ct_DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DSYMUTIL" = x; then + DSYMUTIL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DSYMUTIL=$ac_ct_DSYMUTIL + fi +else + DSYMUTIL="$ac_cv_prog_DSYMUTIL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. +set dummy ${ac_tool_prefix}nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NMEDIT"; then + ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +NMEDIT=$ac_cv_prog_NMEDIT +if test -n "$NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_NMEDIT"; then + ac_ct_NMEDIT=$NMEDIT + # Extract the first word of "nmedit", so it can be a program name with args. +set dummy nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_NMEDIT"; then + ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_NMEDIT="nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT +if test -n "$ac_ct_NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_NMEDIT" = x; then + NMEDIT=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + NMEDIT=$ac_ct_NMEDIT + fi +else + NMEDIT="$ac_cv_prog_NMEDIT" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. +set dummy ${ac_tool_prefix}lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LIPO"; then + ac_cv_prog_LIPO="$LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LIPO="${ac_tool_prefix}lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LIPO=$ac_cv_prog_LIPO +if test -n "$LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 +$as_echo "$LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_LIPO"; then + ac_ct_LIPO=$LIPO + # Extract the first word of "lipo", so it can be a program name with args. +set dummy lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_LIPO"; then + ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_LIPO="lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO +if test -n "$ac_ct_LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 +$as_echo "$ac_ct_LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_LIPO" = x; then + LIPO=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + LIPO=$ac_ct_LIPO + fi +else + LIPO="$ac_cv_prog_LIPO" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL"; then + ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL="${ac_tool_prefix}otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL=$ac_cv_prog_OTOOL +if test -n "$OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 +$as_echo "$OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL"; then + ac_ct_OTOOL=$OTOOL + # Extract the first word of "otool", so it can be a program name with args. +set dummy otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL"; then + ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL="otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL +if test -n "$ac_ct_OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 +$as_echo "$ac_ct_OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL" = x; then + OTOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL=$ac_ct_OTOOL + fi +else + OTOOL="$ac_cv_prog_OTOOL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL64"; then + ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL64=$ac_cv_prog_OTOOL64 +if test -n "$OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 +$as_echo "$OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL64"; then + ac_ct_OTOOL64=$OTOOL64 + # Extract the first word of "otool64", so it can be a program name with args. +set dummy otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL64"; then + ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL64="otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 +if test -n "$ac_ct_OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 +$as_echo "$ac_ct_OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL64" = x; then + OTOOL64=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL64=$ac_ct_OTOOL64 + fi +else + OTOOL64="$ac_cv_prog_OTOOL64" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_apple_cc_single_mod=no + if test -z "$LT_MULTI_MODULE"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&5 + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test 0 = "$_lt_result"; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_ld_exported_symbols_list=yes +else + lt_cv_ld_exported_symbols_list=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 +$as_echo_n "checking for -force_load linker flag... " >&6; } +if ${lt_cv_ld_force_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 + echo "$AR cru libconftest.a conftest.o" >&5 + $AR cru libconftest.a conftest.o 2>&5 + echo "$RANLIB libconftest.a" >&5 + $RANLIB libconftest.a 2>&5 + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&5 + elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 +$as_echo "$lt_cv_ld_force_load" >&6; } + case $host_os in + rhapsody* | darwin1.[012]) + _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[91]*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + 10.[012][,.]*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test yes = "$lt_cv_apple_cc_single_mod"; then + _lt_dar_single_mod='$single_module' + fi + if test yes = "$lt_cv_ld_exported_symbols_list"; then + _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' + fi + if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default +" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +fi + +done + + + + + +# Set options + + + + enable_dlopen=no + + + enable_win32_dll=no + + + # Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_shared=yes +fi + + + + + + + + + + # Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_static=yes +fi + + + + + + + + + + +# Check whether --with-pic was given. +if test "${with_pic+set}" = set; then : + withval=$with_pic; lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for lt_pkg in $withval; do + IFS=$lt_save_ifs + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + pic_mode=default +fi + + + + + + + + + # Check whether --enable-fast-install was given. +if test "${enable_fast_install+set}" = set; then : + enableval=$enable_fast_install; p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_fast_install=yes +fi + + + + + + + + + shared_archive_member_spec= +case $host,$enable_shared in +power*-*-aix[5-9]*,yes) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5 +$as_echo_n "checking which variant of shared library versioning to provide... " >&6; } + +# Check whether --with-aix-soname was given. +if test "${with_aix_soname+set}" = set; then : + withval=$with_aix_soname; case $withval in + aix|svr4|both) + ;; + *) + as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5 + ;; + esac + lt_cv_with_aix_soname=$with_aix_soname +else + if ${lt_cv_with_aix_soname+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_with_aix_soname=aix +fi + + with_aix_soname=$lt_cv_with_aix_soname +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5 +$as_echo "$with_aix_soname" >&6; } + if test aix != "$with_aix_soname"; then + # For the AIX way of multilib, we name the shared archive member + # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', + # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. + # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, + # the AIX toolchain works better with OBJECT_MODE set (default 32). + if test 64 = "${OBJECT_MODE-32}"; then + shared_archive_member_spec=shr_64 + else + shared_archive_member_spec=shr + fi + fi + ;; +*) + with_aix_soname=aix + ;; +esac + + + + + + + + + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS=$ltmain + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +test -z "$LN_S" && LN_S="ln -s" + + + + + + + + + + + + + + +if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } +objdir=$lt_cv_objdir + + + + + +cat >>confdefs.h <<_ACEOF +#define LT_OBJDIR "$lt_cv_objdir/" +_ACEOF + + + + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a '.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld=$lt_cv_prog_gnu_ld + +old_CC=$CC +old_CFLAGS=$CFLAGS + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +func_cc_basename $compiler +cc_basename=$func_cc_basename_result + + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/${ac_tool_prefix}file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +# Use C for the default configuration in the libtool script + +lt_save_CC=$CC +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +objext=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + +lt_prog_compiler_no_builtin_flag= + +if test yes = "$GCC"; then + case $cc_basename in + nvcc*) + lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; + *) + lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_rtti_exceptions=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_rtti_exceptions=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } + +if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then + lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" +else + : +fi + +fi + + + + + + + lt_prog_compiler_wl= +lt_prog_compiler_pic= +lt_prog_compiler_static= + + + if test yes = "$GCC"; then + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_static='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + fi + lt_prog_compiler_pic='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + ;; + + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + lt_prog_compiler_can_build_shared=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic=-Kconform_pic + fi + ;; + + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' + if test -n "$lt_prog_compiler_pic"; then + lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + lt_prog_compiler_wl='-Wl,' + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + else + lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + case $cc_basename in + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + hpux9* | hpux10* | hpux11*) + lt_prog_compiler_wl='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + lt_prog_compiler_static='$wl-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + lt_prog_compiler_wl='-Wl,' + # PIC (with -KPIC) is the default. + lt_prog_compiler_static='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64, which still supported -KPIC. + ecc*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='--shared' + lt_prog_compiler_static='--static' + ;; + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + ccc*) + lt_prog_compiler_wl='-Wl,' + # All Alpha code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-qpic' + lt_prog_compiler_static='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; + *Sun\ F* | *Sun*Fortran*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; + *Intel*\ [CF]*Compiler*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + *Portland\ Group*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + lt_prog_compiler_wl='-Wl,' + # All OSF/1 code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + + rdos*) + lt_prog_compiler_static='-non_shared' + ;; + + solaris*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + lt_prog_compiler_wl='-Qoption ld ';; + *) + lt_prog_compiler_wl='-Wl,';; + esac + ;; + + sunos4*) + lt_prog_compiler_wl='-Qoption ld ' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic='-Kconform_pic' + lt_prog_compiler_static='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + unicos*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_can_build_shared=no + ;; + + uts4*) + lt_prog_compiler_pic='-pic' + lt_prog_compiler_static='-Bstatic' + ;; + + *) + lt_prog_compiler_can_build_shared=no + ;; + esac + fi + +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic= + ;; + *) + lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic=$lt_prog_compiler_pic +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 +$as_echo "$lt_cv_prog_compiler_pic" >&6; } +lt_prog_compiler_pic=$lt_cv_prog_compiler_pic + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_pic_works"; then + case $lt_prog_compiler_pic in + "" | " "*) ;; + *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; + esac +else + lt_prog_compiler_pic= + lt_prog_compiler_can_build_shared=no +fi + +fi + + + + + + + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works=yes + fi + else + lt_cv_prog_compiler_static_works=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_static_works"; then + : +else + lt_prog_compiler_static= +fi + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + +hard_links=nottested +if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then + # do not overwrite the value of need_locks provided by the user + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } + if test no = "$hard_links"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;} + need_locks=warn + fi +else + need_locks=no +fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + + runpath_var= + allow_undefined_flag= + always_export_symbols=no + archive_cmds= + archive_expsym_cmds= + compiler_needs_object=no + enable_shared_with_static_runtimes=no + export_dynamic_flag_spec= + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + hardcode_automatic=no + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported + inherit_rpath=no + link_all_deplibs=unknown + module_cmds= + module_expsym_cmds= + old_archive_from_new_cmds= + old_archive_from_expsyms_cmds= + thread_safe_flag_spec= + whole_archive_flag_spec= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + include_expsyms= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ' (' and ')$', so one must not match beginning or + # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', + # as well as any symbol that contains 'd'. + exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test yes != "$GCC"; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd* | bitrig*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu | gnu*) + link_all_deplibs=no + ;; + esac + + ld_shlibs=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test yes = "$with_gnu_ld"; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; + *\ \(GNU\ Binutils\)\ [3-9]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test yes = "$lt_use_gnu_ld_interface"; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='$wl' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + export_dynamic_flag_spec='$wl--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + whole_archive_flag_spec= + fi + supports_anon_versioning=no + case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test ia64 != "$host_cpu"; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + ld_shlibs=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + export_dynamic_flag_spec='$wl--export-all-symbols' + allow_undefined_flag=unsupported + always_export_symbols=no + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs=no + fi + ;; + + haiku*) + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + link_all_deplibs=yes + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + ;; + + interix[3-9]*) + hardcode_direct=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test linux-dietlibc = "$host_os"; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test no = "$tmp_diet" + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + whole_archive_flag_spec= + tmp_sharedflag='--shared' ;; + nagfor*) # NAGFOR 5.3 + tmp_sharedflag='-Wl,-shared' ;; + xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + tcc*) + export_dynamic_flag_spec='-rdynamic' + ;; + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + ld_shlibs=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + ;; + + sunos4*) + archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + + if test no = "$ld_shlibs"; then + runpath_var= + hardcode_libdir_flag_spec= + export_dynamic_flag_spec= + whole_archive_flag_spec= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + allow_undefined_flag=unsupported + always_export_symbols=yes + archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + + aix[4-9]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then + aix_use_runtimelinking=yes + break + fi + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds='' + hardcode_direct=yes + hardcode_direct_absolute=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + file_list_spec='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # traditional, no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + hardcode_direct=no + hardcode_direct_absolute=no + ;; + esac + + if test yes = "$GCC"; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag="$shared_flag "'$wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + export_dynamic_flag_spec='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' + allow_undefined_flag="-z nodefs" + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag=' $wl-bernotok' + allow_undefined_flag=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec='$convenience' + fi + archive_cmds_need_lc=yes + archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared libraries. + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + bsdi[45]*) + export_dynamic_flag_spec=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + always_export_symbols=yes + file_list_spec='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes + exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' + postlink_cmds='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + old_archive_from_new_cmds='true' + # FIXME: Should let the user specify the lib program. + old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' + enable_shared_with_static_runtimes=yes + ;; + esac + ;; + + darwin* | rhapsody*) + + + archive_cmds_need_lc=no + hardcode_direct=no + hardcode_automatic=yes + hardcode_shlibpath_var=unsupported + if test yes = "$lt_cv_ld_force_load"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec='' + fi + link_all_deplibs=yes + allow_undefined_flag=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + archive_expsym_cmds="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + module_expsym_cmds="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + + else + ld_shlibs=no + fi + + ;; + + dgux*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + hpux9*) + if test yes = "$GCC"; then + archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + fi + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + export_dynamic_flag_spec='$wl-E' + ;; + + hpux10*) + if test yes,no = "$GCC,$with_gnu_ld"; then + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + + hpux11*) + if test yes,no = "$GCC,$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 +$as_echo_n "checking if $CC understands -b... " >&6; } +if ${lt_cv_prog_compiler__b+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler__b=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -b" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler__b=yes + fi + else + lt_cv_prog_compiler__b=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 +$as_echo "$lt_cv_prog_compiler__b" >&6; } + +if test yes = "$lt_cv_prog_compiler__b"; then + archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' +else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' +fi + + ;; + esac + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + hardcode_shlibpath_var=no + ;; + *) + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test yes = "$GCC"; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 +$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } +if ${lt_cv_irix_exported_symbol+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo (void) { return 0; } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_irix_exported_symbol=yes +else + lt_cv_irix_exported_symbol=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 +$as_echo "$lt_cv_irix_exported_symbol" >&6; } + if test yes = "$lt_cv_irix_exported_symbol"; then + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' + fi + link_all_deplibs=no + else + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + inherit_rpath=yes + link_all_deplibs=yes + ;; + + linux*) + case $cc_basename in + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + ld_shlibs=yes + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + newsos6) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + hardcode_shlibpath_var=no + ;; + + *nto* | *qnx*) + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + hardcode_shlibpath_var=no + hardcode_direct_absolute=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + else + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + fi + else + ld_shlibs=no + fi + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + ;; + + osf3*) + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + archive_cmds_need_lc='no' + hardcode_libdir_separator=: + ;; + + solaris*) + no_undefined_flag=' -z defs' + if test yes = "$GCC"; then + wlarc='$wl' + archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='$wl' + archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. GCC discards it without '$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test yes = "$GCC"; then + whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + else + whole_archive_flag_spec='-z allextract$convenience -z defaultextract' + fi + ;; + esac + link_all_deplibs=yes + ;; + + sunos4*) + if test sequent = "$host_vendor"; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + sysv4) + case $host_vendor in + sni) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' + reload_cmds='$CC -r -o $output$reload_objs' + hardcode_direct=no + ;; + motorola) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + hardcode_shlibpath_var=no + ;; + + sysv4.3*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + export_dynamic_flag_spec='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + ld_shlibs=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag='$wl-z,text' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag='$wl-z,text' + allow_undefined_flag='$wl-z,nodefs' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-R,$libdir' + hardcode_libdir_separator=':' + link_all_deplibs=yes + export_dynamic_flag_spec='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + *) + ld_shlibs=no + ;; + esac + + if test sni = "$host_vendor"; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + export_dynamic_flag_spec='$wl-Blargedynsym' + ;; + esac + fi + fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } +test no = "$ld_shlibs" && can_build_shared=no + +with_gnu_ld=$with_gnu_ld + + + + + + + + + + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc=yes + + if test yes,yes = "$GCC,$enable_shared"; then + case $archive_cmds in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl + pic_flag=$lt_prog_compiler_pic + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc=no + else + lt_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc" >&6; } + archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +if test yes = "$GCC"; then + case $host_os in + darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; + *) lt_awk_arg='/^libraries:/' ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;; + *) lt_sed_strip_eq='s|=/|/|g' ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary... + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + # ...but if some path component already ends with the multilib dir we assume + # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). + case "$lt_multi_os_dir; $lt_search_path_spec " in + "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) + lt_multi_os_dir= + ;; + esac + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" + elif test -n "$lt_multi_os_dir"; then + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS = " "; FS = "/|\n";} { + lt_foo = ""; + lt_count = 0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo = "/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[lt_foo]++; } + if (lt_freq[lt_foo] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's|/\([A-Za-z]:\)|\1|g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + + + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a(lib.so.V)' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,yes) # both, prefer svr4 + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # unpreferred sharedlib libNAME.a needs extra handling + postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' + postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,no) # both, prefer aix + dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling + postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' + postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' + ;; + esac + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='$libname$shared_ext' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + hardcode_libdir_flag_spec='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action= +if test -n "$hardcode_libdir_flag_spec" || + test -n "$runpath_var" || + test yes = "$hardcode_automatic"; then + + # We can hardcode non-existent directories. + if test no != "$hardcode_direct" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && + test no != "$hardcode_minus_L"; then + # Linking always hardcodes the temporary library directory. + hardcode_action=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } + +if test relink = "$hardcode_action" || + test yes = "$inherit_rpath"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + if test yes != "$enable_dlopen"; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen=load_add_on + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen=LoadLibrary + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + + lt_cv_dlopen=dyld + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + +fi + + ;; + + tpf*) + # Don't try to run any link tests for TPF. We know it's impossible + # because TPF is a cross-compiler, and we know how we open DSOs. + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + lt_cv_dlopen_self=no + ;; + + *) + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : + lt_cv_dlopen=shl_load +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld +else + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + lt_cv_dlopen=dlopen +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsvld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_svld_dlopen=yes +else + ac_cv_lib_svld_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dld_link (); +int +main () +{ +return dld_link (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_dld_link=yes +else + ac_cv_lib_dld_dld_link=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : + lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld +fi + + +fi + + +fi + + +fi + + +fi + + +fi + + ;; + esac + + if test no = "$lt_cv_dlopen"; then + enable_dlopen=no + else + enable_dlopen=yes + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS=$CPPFLAGS + test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS=$LDFLAGS + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS=$LIBS + LIBS="$lt_cv_dlopen_libs $LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } + + if test yes = "$lt_cv_dlopen_self"; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self_static=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self_static=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } + fi + + CPPFLAGS=$save_CPPFLAGS + LDFLAGS=$save_LDFLAGS + LIBS=$save_LIBS + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi + + + + + + + + + + + + + + + + + +striplib= +old_striplib= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP"; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + ;; + esac +fi + + + + + + + + + + + + + # Report what library types will actually be built + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[4-9]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } + + + + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +CC=$lt_save_CC + + + + + + + + + + + + + + + + ac_config_commands="$ac_config_commands libtool" + + + + +# Only expand once: + + +# By default we simply use the C compiler to build assembly code. + +test "${CCAS+set}" = set || CCAS=$CC +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS + + + +depcc="$CCAS" am_compiler_list= + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if ${am_cv_CCAS_dependencies_compiler_type+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named 'D' -- because '-MD' means "put the output + # in D". + rm -rf conftest.dir + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CCAS_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CCAS_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CCAS_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CCAS_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CCAS_dependencies_compiler_type" >&6; } +CCASDEPMODE=depmode=$am_cv_CCAS_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CCAS_dependencies_compiler_type" = gcc3; then + am__fastdepCCAS_TRUE= + am__fastdepCCAS_FALSE='#' +else + am__fastdepCCAS_TRUE='#' + am__fastdepCCAS_FALSE= +fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking zfs author" >&5 +$as_echo_n "checking zfs author... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ZFS_META_AUTHOR" >&5 +$as_echo "$ZFS_META_AUTHOR" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking zfs license" >&5 +$as_echo_n "checking zfs license... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ZFS_META_LICENSE" >&5 +$as_echo "$ZFS_META_LICENSE" >&6; } + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking linux distribution" >&5 +$as_echo_n "checking linux distribution... " >&6; } + if test -f /etc/toss-release ; then + VENDOR=toss ; + elif test -f /etc/fedora-release ; then + VENDOR=fedora ; + elif test -f /etc/redhat-release ; then + VENDOR=redhat ; + elif test -f /etc/gentoo-release ; then + VENDOR=gentoo ; + elif test -f /etc/arch-release ; then + VENDOR=arch ; + elif test -f /etc/SuSE-release ; then + VENDOR=sles ; + elif test -f /etc/slackware-version ; then + VENDOR=slackware ; + elif test -f /etc/lunar.release ; then + VENDOR=lunar ; + elif test -f /etc/lsb-release ; then + VENDOR=ubuntu ; + elif test -f /etc/debian_version ; then + VENDOR=debian ; + else + VENDOR= ; + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $VENDOR" >&5 +$as_echo "$VENDOR" >&6; } + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking default package type" >&5 +$as_echo_n "checking default package type... " >&6; } + case "$VENDOR" in + toss) DEFAULT_PACKAGE=rpm ;; + redhat) DEFAULT_PACKAGE=rpm ;; + fedora) DEFAULT_PACKAGE=rpm ;; + gentoo) DEFAULT_PACKAGE=tgz ;; + arch) DEFAULT_PACKAGE=tgz ;; + sles) DEFAULT_PACKAGE=rpm ;; + slackware) DEFAULT_PACKAGE=tgz ;; + lunar) DEFAULT_PACKAGE=tgz ;; + ubuntu) DEFAULT_PACKAGE=deb ;; + debian) DEFAULT_PACKAGE=deb ;; + *) DEFAULT_PACKAGE=rpm ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DEFAULT_PACKAGE" >&5 +$as_echo "$DEFAULT_PACKAGE" >&6; } + + + DEFAULT_INIT_DIR=$sysconfdir/init.d + { $as_echo "$as_me:${as_lineno-$LINENO}: checking default init directory" >&5 +$as_echo_n "checking default init directory... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DEFAULT_INIT_DIR" >&5 +$as_echo "$DEFAULT_INIT_DIR" >&6; } + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking default init script type" >&5 +$as_echo_n "checking default init script type... " >&6; } + case "$VENDOR" in + toss) DEFAULT_INIT_SCRIPT=redhat ;; + redhat) DEFAULT_INIT_SCRIPT=redhat ;; + fedora) DEFAULT_INIT_SCRIPT=fedora ;; + gentoo) DEFAULT_INIT_SCRIPT=gentoo ;; + arch) DEFAULT_INIT_SCRIPT=lsb ;; + sles) DEFAULT_INIT_SCRIPT=lsb ;; + slackware) DEFAULT_INIT_SCRIPT=lsb ;; + lunar) DEFAULT_INIT_SCRIPT=lunar ;; + ubuntu) DEFAULT_INIT_SCRIPT=lsb ;; + debian) DEFAULT_INIT_SCRIPT=lsb ;; + *) DEFAULT_INIT_SCRIPT=lsb ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DEFAULT_INIT_SCRIPT" >&5 +$as_echo "$DEFAULT_INIT_SCRIPT" >&6; } + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking default init config direectory" >&5 +$as_echo_n "checking default init config direectory... " >&6; } + case "$VENDOR" in + gentoo) DEFAULT_INITCONF_DIR=/etc/conf.d ;; + toss) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + redhat) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + fedora) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + sles) DEFAULT_INITCONF_DIR=/etc/sysconfig ;; + ubuntu) DEFAULT_INITCONF_DIR=/etc/default ;; + debian) DEFAULT_INITCONF_DIR=/etc/default ;; + *) DEFAULT_INITCONF_DIR=/etc/default ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DEFAULT_INITCONF_DIR" >&5 +$as_echo "$DEFAULT_INITCONF_DIR" >&6; } + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether initramfs-tools is available" >&5 +$as_echo_n "checking whether initramfs-tools is available... " >&6; } + if test -d /usr/share/initramfs-tools ; then + DEFINE_INITRAMFS='--define "_initramfs 1"' + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + DEFINE_INITRAMFS='' + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + + + + RPM=rpm + RPMBUILD=rpmbuild + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $RPM is available" >&5 +$as_echo_n "checking whether $RPM is available... " >&6; } + if tmp=$($RPM --version 2>/dev/null); then : + + RPM_VERSION=$(echo $tmp | $AWK '/RPM/ { print $3 }') + HAVE_RPM=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPM ($RPM_VERSION)" >&5 +$as_echo "$HAVE_RPM ($RPM_VERSION)" >&6; } + +else + + HAVE_RPM=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPM" >&5 +$as_echo "$HAVE_RPM" >&6; } + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $RPMBUILD is available" >&5 +$as_echo_n "checking whether $RPMBUILD is available... " >&6; } + if tmp=$($RPMBUILD --version 2>/dev/null); then : + + RPMBUILD_VERSION=$(echo $tmp | $AWK '/RPM/ { print $3 }') + HAVE_RPMBUILD=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPMBUILD ($RPMBUILD_VERSION)" >&5 +$as_echo "$HAVE_RPMBUILD ($RPMBUILD_VERSION)" >&6; } + +else + + HAVE_RPMBUILD=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_RPMBUILD" >&5 +$as_echo "$HAVE_RPMBUILD" >&6; } + +fi + + RPM_DEFINE_COMMON='--define "$(DEBUG_ZFS) 1" --define "$(DEBUG_DMU_TX) 1"' + RPM_DEFINE_UTIL='--define "_dracutdir $(dracutdir)" --define "_udevdir $(udevdir)" --define "_udevruledir $(udevruledir)" --define "_initconfdir $(DEFAULT_INITCONF_DIR)" $(DEFINE_INITRAMFS)' + RPM_DEFINE_KMOD='--define "kernels $(LINUX_VERSION)" --define "require_spldir $(SPL)" --define "require_splobj $(SPL_OBJ)" --define "ksrc $(LINUX)" --define "kobj $(LINUX_OBJ)"' + RPM_DEFINE_DKMS= + + SRPM_DEFINE_COMMON='--define "build_src_rpm 1"' + SRPM_DEFINE_UTIL= + SRPM_DEFINE_KMOD= + SRPM_DEFINE_DKMS= + + RPM_SPEC_DIR="rpm/generic" + +# Check whether --with-spec was given. +if test "${with_spec+set}" = set; then : + withval=$with_spec; RPM_SPEC_DIR="rpm/$withval" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether spec files are available" >&5 +$as_echo_n "checking whether spec files are available... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes ($RPM_SPEC_DIR/*.spec.in)" >&5 +$as_echo "yes ($RPM_SPEC_DIR/*.spec.in)" >&6; } + + + + + + + + + + + + + + + + + + + + + DPKG=dpkg + DPKGBUILD=dpkg-buildpackage + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $DPKG is available" >&5 +$as_echo_n "checking whether $DPKG is available... " >&6; } + if tmp=$($DPKG --version 2>/dev/null); then : + + DPKG_VERSION=$(echo $tmp | $AWK '/Debian/ { print $7 }') + HAVE_DPKG=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKG ($DPKG_VERSION)" >&5 +$as_echo "$HAVE_DPKG ($DPKG_VERSION)" >&6; } + +else + + HAVE_DPKG=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKG" >&5 +$as_echo "$HAVE_DPKG" >&6; } + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $DPKGBUILD is available" >&5 +$as_echo_n "checking whether $DPKGBUILD is available... " >&6; } + if tmp=$($DPKGBUILD --version 2>/dev/null); then : + + DPKGBUILD_VERSION=$(echo $tmp | \ + $AWK '/Debian/ { print $4 }' | cut -f-4 -d'.') + HAVE_DPKGBUILD=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKGBUILD ($DPKGBUILD_VERSION)" >&5 +$as_echo "$HAVE_DPKGBUILD ($DPKGBUILD_VERSION)" >&6; } + +else + + HAVE_DPKGBUILD=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_DPKGBUILD" >&5 +$as_echo "$HAVE_DPKGBUILD" >&6; } + +fi + + + + + + + + + + + ALIEN=alien + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ALIEN is available" >&5 +$as_echo_n "checking whether $ALIEN is available... " >&6; } + if tmp=$($ALIEN --version 2>/dev/null); then : + + ALIEN_VERSION=$(echo $tmp | $AWK '{ print $3 }') + HAVE_ALIEN=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_ALIEN ($ALIEN_VERSION)" >&5 +$as_echo "$HAVE_ALIEN ($ALIEN_VERSION)" >&6; } + +else + + HAVE_ALIEN=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_ALIEN" >&5 +$as_echo "$HAVE_ALIEN" >&6; } + +fi + + + + + + + + TARGET_ASM_DIR=asm-generic + + + ZFS_CONFIG=all + +# Check whether --with-config was given. +if test "${with_config+set}" = set; then : + withval=$with_config; ZFS_CONFIG="$withval" +fi + + # Check whether --enable-linux-builtin was given. +if test "${enable_linux_builtin+set}" = set; then : + enableval=$enable_linux_builtin; +else + enable_linux_builtin=no +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking zfs config" >&5 +$as_echo_n "checking zfs config... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ZFS_CONFIG" >&5 +$as_echo "$ZFS_CONFIG" >&6; }; + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wno-unused-but-set-variable support" >&5 +$as_echo_n "checking for -Wno-unused-but-set-variable support... " >&6; } + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wunused-but-set-variable" + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + NO_UNUSED_BUT_SET_VARIABLE=-Wno-unused-but-set-variable + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + NO_UNUSED_BUT_SET_VARIABLE= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + CFLAGS="$saved_flags" + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wno-bool-compare support" >&5 +$as_echo_n "checking for -Wno-bool-compare support... " >&6; } + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wbool-compare" + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + NO_BOOL_COMPARE=-Wno-bool-compare + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + NO_BOOL_COMPARE= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + CFLAGS="$saved_flags" + + + + + case "$ZFS_CONFIG" in + user) + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dkms.conf file" >&5 +$as_echo_n "checking for dkms.conf file... " >&6; } + if test -e dkms.conf; then : + + as_fn_error $? " + *** ZFS should not be manually built in the DKMS source tree. + *** Remove all ZFS packages before compiling the ZoL sources. + *** Running \"make install\" breaks ZFS packages." "$LINENO" 5 + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +$as_echo "not found" >&6; } + +fi + + + +# Check whether --with-mounthelperdir was given. +if test "${with_mounthelperdir+set}" = set; then : + withval=$with_mounthelperdir; mounthelperdir=$withval +else + mounthelperdir=/sbin +fi + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for udev directories" >&5 +$as_echo_n "checking for udev directories... " >&6; } + +# Check whether --with-udevdir was given. +if test "${with_udevdir+set}" = set; then : + withval=$with_udevdir; udevdir=$withval +else + udevdir=check +fi + + + if test "x$udevdir" = xcheck; then : + + path1=/lib/udev + path2=/usr/lib/udev + default=$path2 + + if test -d "$path1"; then : + udevdir="$path1" +else + + if test -d "$path2"; then : + udevdir="$path2" +else + udevdir="$default" +fi + +fi + +fi + + +# Check whether --with-udevruledir was given. +if test "${with_udevruledir+set}" = set; then : + withval=$with_udevruledir; udevruledir=$withval +else + udevruledir="${udevdir}/rules.d" +fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $udevdir;$udevruledir" >&5 +$as_echo "$udevdir;$udevruledir" >&6; } + + + # Check whether --enable-systemd was given. +if test "${enable_systemd+set}" = set; then : + enableval=$enable_systemd; +else + enable_systemd=yes +fi + + + +# Check whether --with-systemdunitdir was given. +if test "${with_systemdunitdir+set}" = set; then : + withval=$with_systemdunitdir; systemdunitdir=$withval +else + systemdunitdir=/usr/lib/systemd/system +fi + + + +# Check whether --with-systemdpresetdir was given. +if test "${with_systemdpresetdir+set}" = set; then : + withval=$with_systemdpresetdir; systemdpresetdir=$withval +else + systemdpresetdir=/usr/lib/systemd/system-preset +fi + + + +# Check whether --with-systemdmodulesloaddir was given. +if test "${with_systemdmodulesloaddir+set}" = set; then : + withval=$with_systemdmodulesloaddir; systemdmoduleloaddir=$withval +else + systemdmodulesloaddir=/usr/lib/modules-load.d +fi + + + + if test "x$enable_systemd" = xyes; then : + + ZFS_INIT_SYSTEMD=systemd + ZFS_MODULE_LOAD=modules-load.d + modulesloaddir=$systemdmodulesloaddir + +fi + + + + + + + + + # Check whether --enable-sysvinit was given. +if test "${enable_sysvinit+set}" = set; then : + enableval=$enable_sysvinit; +else + enable_sysvinit=yes +fi + + + if test "x$enable_sysvinit" = xyes; then : + ZFS_INIT_SYSV=init.d +fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dracut directory" >&5 +$as_echo_n "checking for dracut directory... " >&6; } + +# Check whether --with-dracutdir was given. +if test "${with_dracutdir+set}" = set; then : + withval=$with_dracutdir; dracutdir=$withval +else + dracutdir=check +fi + + + if test "x$dracutdir" = xcheck; then : + + path1=/usr/share/dracut + path2=/usr/lib/dracut + default=$path2 + + if test -d "$path1"; then : + dracutdir="$path1" +else + + if test -d "$path2"; then : + dracutdir="$path2" +else + dracutdir="$default" +fi + +fi + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dracutdir" >&5 +$as_echo "$dracutdir" >&6; } + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for target asm dir" >&5 +$as_echo_n "checking for target asm dir... " >&6; } + TARGET_ARCH=`echo ${target_cpu} | sed -e s/i.86/i386/` + + case $TARGET_ARCH in + i386|x86_64) + TARGET_ASM_DIR=asm-${TARGET_ARCH} + ;; + *) + TARGET_ASM_DIR=asm-generic + ;; + esac + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $TARGET_ASM_DIR" >&5 +$as_echo "$TARGET_ASM_DIR" >&6; } + + + ZLIB= + + ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default" +if test "x$ac_cv_header_zlib_h" = xyes; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** zlib.h missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compress2 in -lz" >&5 +$as_echo_n "checking for compress2 in -lz... " >&6; } +if ${ac_cv_lib_z_compress2+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char compress2 (); +int +main () +{ +return compress2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_z_compress2=yes +else + ac_cv_lib_z_compress2=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_compress2" >&5 +$as_echo "$ac_cv_lib_z_compress2" >&6; } +if test "x$ac_cv_lib_z_compress2" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBZ 1 +_ACEOF + + LIBS="-lz $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** compress2() missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uncompress in -lz" >&5 +$as_echo_n "checking for uncompress in -lz... " >&6; } +if ${ac_cv_lib_z_uncompress+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char uncompress (); +int +main () +{ +return uncompress (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_z_uncompress=yes +else + ac_cv_lib_z_uncompress=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_uncompress" >&5 +$as_echo "$ac_cv_lib_z_uncompress" >&6; } +if test "x$ac_cv_lib_z_uncompress" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBZ 1 +_ACEOF + + LIBS="-lz $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uncompress() missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crc32 in -lz" >&5 +$as_echo_n "checking for crc32 in -lz... " >&6; } +if ${ac_cv_lib_z_crc32+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crc32 (); +int +main () +{ +return crc32 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_z_crc32=yes +else + ac_cv_lib_z_crc32=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_crc32" >&5 +$as_echo "$ac_cv_lib_z_crc32" >&6; } +if test "x$ac_cv_lib_z_crc32" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBZ 1 +_ACEOF + + LIBS="-lz $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** crc32() missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + ZLIB="-lz" + + +$as_echo "#define HAVE_ZLIB 1" >>confdefs.h + + + + LIBUUID= + + ac_fn_c_check_header_mongrel "$LINENO" "uuid/uuid.h" "ac_cv_header_uuid_uuid_h" "$ac_includes_default" +if test "x$ac_cv_header_uuid_uuid_h" = xyes; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uuid/uuid.h missing, libuuid-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate in -luuid" >&5 +$as_echo_n "checking for uuid_generate in -luuid... " >&6; } +if ${ac_cv_lib_uuid_uuid_generate+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-luuid $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char uuid_generate (); +int +main () +{ +return uuid_generate (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_uuid_uuid_generate=yes +else + ac_cv_lib_uuid_uuid_generate=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate" >&5 +$as_echo "$ac_cv_lib_uuid_uuid_generate" >&6; } +if test "x$ac_cv_lib_uuid_uuid_generate" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUUID 1 +_ACEOF + + LIBS="-luuid $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uuid_generate() missing, libuuid-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_is_null in -luuid" >&5 +$as_echo_n "checking for uuid_is_null in -luuid... " >&6; } +if ${ac_cv_lib_uuid_uuid_is_null+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-luuid $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char uuid_is_null (); +int +main () +{ +return uuid_is_null (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_uuid_uuid_is_null=yes +else + ac_cv_lib_uuid_uuid_is_null=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_is_null" >&5 +$as_echo "$ac_cv_lib_uuid_uuid_is_null" >&6; } +if test "x$ac_cv_lib_uuid_uuid_is_null" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUUID 1 +_ACEOF + + LIBS="-luuid $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uuid_is_null() missing, libuuid-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + LIBUUID="-luuid" + + +$as_echo "#define HAVE_LIBUUID 1" >>confdefs.h + + + + +# Check whether --with-blkid was given. +if test "${with_blkid+set}" = set; then : + withval=$with_blkid; +else + with_blkid=check +fi + + + LIBBLKID= + if test "x$with_blkid" = xyes; then : + + LIBBLKID="-lblkid" + + +$as_echo "#define HAVE_LIBBLKID 1" >>confdefs.h + + +fi + + if test "x$with_blkid" = xcheck; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for blkid_get_cache in -lblkid" >&5 +$as_echo_n "checking for blkid_get_cache in -lblkid... " >&6; } +if ${ac_cv_lib_blkid_blkid_get_cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lblkid $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char blkid_get_cache (); +int +main () +{ +return blkid_get_cache (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_blkid_blkid_get_cache=yes +else + ac_cv_lib_blkid_blkid_get_cache=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_blkid_blkid_get_cache" >&5 +$as_echo "$ac_cv_lib_blkid_blkid_get_cache" >&6; } +if test "x$ac_cv_lib_blkid_blkid_get_cache" = xyes; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for blkid zfs support" >&5 +$as_echo_n "checking for blkid zfs support... " >&6; } + + ZFS_DEV=`mktemp` + truncate -s 64M $ZFS_DEV + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=128 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=132 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=136 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=140 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + + saved_LIBS="$LIBS" + LIBS="-lblkid" + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + #include + #include + +int +main () +{ + + blkid_cache cache; + char *value; + + if (blkid_get_cache(&cache, NULL) < 0) + return 1; + + value = blkid_get_tag_value(cache, "TYPE", + "$ZFS_DEV"); + if (!value) { + blkid_put_cache(cache); + return 2; + } + + if (strcmp(value, "zfs_member")) { + free(value); + blkid_put_cache(cache); + return 0; + } + + free(value); + blkid_put_cache(cache); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + rm -f $ZFS_DEV + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + LIBBLKID="-lblkid" + + +$as_echo "#define HAVE_LIBBLKID 1" >>confdefs.h + + +else + + rm -f $ZFS_DEV + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + if test "x$with_blkid" != xcheck; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "--with-blkid given but unavailable +See \`config.log' for more details" "$LINENO" 5; } +fi + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + + LIBS="$saved_LIBS" + +else + + if test "x$with_blkid" != xcheck; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "--with-blkid given but unavailable +See \`config.log' for more details" "$LINENO" 5; } +fi + + +fi + + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wframe-larger-than= support" >&5 +$as_echo_n "checking for -Wframe-larger-than= support... " >&6; } + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wframe-larger-than=1024" + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + FRAME_LARGER_THAN=-Wframe-larger-than=1024 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + FRAME_LARGER_THAN= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + CFLAGS="$saved_flags" + + + + if test "x$runstatedir" = x; then + runstatedir='${localstatedir}/run' + + fi + + for ac_func in mlockall +do : + ac_fn_c_check_func "$LINENO" "mlockall" "ac_cv_func_mlockall" +if test "x$ac_cv_func_mlockall" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_MLOCKALL 1 +_ACEOF + +fi +done + + ;; + kernel) + + +# Check whether --with-linux was given. +if test "${with_linux+set}" = set; then : + withval=$with_linux; kernelsrc="$withval" +fi + + + +# Check whether --with-linux-obj was given. +if test "${with_linux_obj+set}" = set; then : + withval=$with_linux_obj; kernelbuild="$withval" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source directory" >&5 +$as_echo_n "checking kernel source directory... " >&6; } + if test -z "$kernelsrc"; then : + + if test -e "/lib/modules/$(uname -r)/source"; then : + + headersdir="/lib/modules/$(uname -r)/source" + sourcelink=$(readlink -f "$headersdir") + +elif test -e "/lib/modules/$(uname -r)/build"; then : + + headersdir="/lib/modules/$(uname -r)/build" + sourcelink=$(readlink -f "$headersdir") + +else + + sourcelink=$(ls -1d /usr/src/kernels/* \ + /usr/src/linux-* \ + 2>/dev/null | grep -v obj | tail -1) + +fi + + if test -n "$sourcelink" && test -e ${sourcelink}; then : + + kernelsrc=`readlink -f ${sourcelink}` + +else + + kernelsrc="Not found" + +fi + +else + + if test "$kernelsrc" = "NONE"; then : + + kernsrcver=NONE + +fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelsrc" >&5 +$as_echo "$kernelsrc" >&6; } + if test ! -d "$kernelsrc"; then : + + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed and then try again. If that fails, you can specify the + *** location of the kernel source with the '--with-linux=PATH' option." "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel build directory" >&5 +$as_echo_n "checking kernel build directory... " >&6; } + if test -z "$kernelbuild"; then : + + if test -e "/lib/modules/$(uname -r)/build"; then : + + kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` + +elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then : + + kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} + +elif test -d ${kernelsrc}-obj/${target_cpu}/default; then : + + kernelbuild=${kernelsrc}-obj/${target_cpu}/default + +elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then : + + kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} + +else + + kernelbuild=${kernelsrc} + +fi + +fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelbuild" >&5 +$as_echo "$kernelbuild" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source version" >&5 +$as_echo_n "checking kernel source version... " >&6; } + utsrelease1=$kernelbuild/include/linux/version.h + utsrelease2=$kernelbuild/include/linux/utsrelease.h + utsrelease3=$kernelbuild/include/generated/utsrelease.h + if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then : + + utsrelease=linux/version.h + +elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then : + + utsrelease=linux/utsrelease.h + +elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then : + + utsrelease=generated/utsrelease.h + +fi + + if test "$utsrelease"; then : + + kernsrcver=`(echo "#include <$utsrelease>"; + echo "kernsrcver=UTS_RELEASE") | + cpp -I $kernelbuild/include | + grep "^kernsrcver=" | cut -d \" -f 2` + + if test -z "$kernsrcver"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + as_fn_error $? "*** Cannot determine kernel version." "$LINENO" 5 + +fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Cannot find UTS_RELEASE definition." "$LINENO" 5 + else + as_fn_error $? " + *** Cannot find UTS_RELEASE definition. + *** Please run 'make prepare' inside the kernel source tree." "$LINENO" 5 + fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernsrcver" >&5 +$as_echo "$kernsrcver" >&6; } + + LINUX=${kernelsrc} + LINUX_OBJ=${kernelbuild} + LINUX_VERSION=${kernsrcver} + + + + + + + modpost=$LINUX/scripts/Makefile.modpost + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel file name for module symbols" >&5 +$as_echo_n "checking kernel file name for module symbols... " >&6; } + if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then : + + if grep -q Modules.symvers $modpost; then : + + LINUX_SYMBOLS=Modules.symvers + +else + + LINUX_SYMBOLS=Module.symvers + +fi + + if test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then : + + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed. If you are building with a custom kernel, make sure the + *** kernel is configured, built, and the '--with-linux=PATH' configure + *** option refers to the location of the kernel source." "$LINENO" 5 + +fi + +else + + LINUX_SYMBOLS=NONE + +fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LINUX_SYMBOLS" >&5 +$as_echo "$LINUX_SYMBOLS" >&6; } + + + + + +# Check whether --with-spl was given. +if test "${with_spl+set}" = set; then : + withval=$with_spl; splsrc="$withval" +fi + + + +# Check whether --with-spl-obj was given. +if test "${with_spl_obj+set}" = set; then : + withval=$with_spl_obj; splbuild="$withval" +fi + + + +# Check whether --with-spl-timeout was given. +if test "${with_spl_timeout+set}" = set; then : + withval=$with_spl_timeout; timeout="$withval" +else + timeout=0 +fi + + + splsrc0="/var/lib/dkms/spl/${VERSION}/build" + splsrc1="/usr/local/src/spl-${VERSION}/${LINUX_VERSION}" + splsrc2="/usr/local/src/spl-${VERSION}" + splsrc3="/usr/src/spl-${VERSION}/${LINUX_VERSION}" + splsrc4="/usr/src/spl-${VERSION}" + splsrc5="../spl/" + splsrc6="$LINUX" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl source directory" >&5 +$as_echo_n "checking spl source directory... " >&6; } + if test -z "${splsrc}"; then : + + if test -e "${splsrc0}/spl.release.in"; then : + + splsrc=${splsrc0} + +elif test -e "${splsrc1}/spl.release.in"; then : + + splsrc=${splsrc1} + +elif test -e "${splsrc2}/spl.release.in"; then : + + splsrc=${splsrc2} + +elif test -e "${splsrc3}/spl.release.in"; then : + + splsrc=$(readlink -f "${splsrc3}") + +elif test -e "${splsrc4}/spl.release.in" ; then : + + splsrc=${splsrc4} + +elif test -e "${splsrc5}/spl.release.in"; then : + + splsrc=$(readlink -f "${splsrc5}") + +elif test -e "${splsrc6}/spl.release.in" ; then : + + splsrc=${splsrc6} + +else + + splsrc="Not found" + +fi + +else + + if test "$splsrc" = "NONE"; then : + + splbuild=NONE + splsrcver=NONE + +fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $splsrc" >&5 +$as_echo "$splsrc" >&6; } + if test ! -e "$splsrc/spl.release.in"; then : + + as_fn_error $? " + *** Please make sure the kmod spl devel package for your distribution + *** is installed then try again. If that fails you can specify the + *** location of the spl source with the '--with-spl=PATH' option." "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl build directory" >&5 +$as_echo_n "checking spl build directory... " >&6; } + while true; do + if test -z "$splbuild"; then : + + if test -e "${splsrc}/${LINUX_VERSION}/spl_config.h" ; then : + + splbuild="${splsrc}/${LINUX_VERSION}" + +elif test -e "${splsrc}/spl_config.h" ; then : + + splbuild="${splsrc}" + +elif find -L "${splsrc}" -name spl_config.h 2> /dev/null | grep -wq spl_config.h ; then : + + splbuild=$(find -L "${splsrc}" -name spl_config.h | sed 's,/spl_config.h,,') + +else + + splbuild="Not found" + +fi + +fi + if test -e "$splbuild/spl_config.h" -o $timeout -le 0; then : + + break; + +else + + sleep 1 + timeout=$((timeout-1)) + +fi + done + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $splbuild" >&5 +$as_echo "$splbuild" >&6; } + if ! test -e "$splbuild/spl_config.h"; then : + + as_fn_error $? " + *** Please make sure the kmod spl devel package for your + *** distribution is installed then try again. If that fails you + *** can specify the location of the spl objects with the + *** '--with-spl-obj=PATH' option." "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl source version" >&5 +$as_echo_n "checking spl source version... " >&6; } + if test -r $splbuild/spl_config.h && + fgrep -q SPL_META_VERSION $splbuild/spl_config.h; then : + + + splsrcver=`(echo "#include "; + echo "splsrcver=SPL_META_VERSION-SPL_META_RELEASE") | + cpp -I $splbuild | + grep "^splsrcver=" | tr -d \" | cut -d= -f2` + +fi + + if test -z "$splsrcver"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + as_fn_error $? " + *** Cannot determine the version of the spl source. + *** Please prepare the spl source before running this script" "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $splsrcver" >&5 +$as_echo "$splsrcver" >&6; } + + SPL=${splsrc} + SPL_OBJ=${splbuild} + SPL_VERSION=${splsrcver} + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl file name for module symbols" >&5 +$as_echo_n "checking spl file name for module symbols... " >&6; } + SPL_SYMBOLS=NONE + + while true; do + if test -r $SPL_OBJ/Module.symvers; then : + + SPL_SYMBOLS=Module.symvers + +elif test -r $SPL_OBJ/Modules.symvers; then : + + SPL_SYMBOLS=Modules.symvers + +elif test -r $SPL_OBJ/module/Module.symvers; then : + + SPL_SYMBOLS=Module.symvers + +elif test -r $SPL_OBJ/module/Modules.symvers; then : + + SPL_SYMBOLS=Modules.symvers + +fi + + if test $SPL_SYMBOLS != NONE -o $timeout -le 0; then : + + break; + +else + + sleep 1 + timeout=$((timeout-1)) + +fi + done + + if test "$SPL_SYMBOLS" = NONE; then : + + SPL_SYMBOLS=$LINUX_SYMBOLS + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SPL_SYMBOLS" >&5 +$as_echo "$SPL_SYMBOLS" >&6; } + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether modules can be built" >&5 +$as_echo_n "checking whether modules can be built... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Unable to build an empty module." "$LINENO" 5 + else + as_fn_error $? " + *** Unable to build an empty module. + *** Please run 'make scripts' inside the kernel source tree." "$LINENO" 5 + fi + + + +fi + rm -Rf build + + + + + if test "x$cross_compiling" != xyes; then : + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + + #include "$LINUX/include/linux/license.h" + +int +main () +{ + + return !license_is_gpl_compatible("$ZFS_META_LICENSE"); + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + +$as_echo "#define ZFS_IS_GPL_COMPATIBLE 1" >>confdefs.h + + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel was built with 16K or larger stacks" >&5 +$as_echo_n "checking whether kernel was built with 16K or larger stacks... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + #if (THREAD_SIZE < 16384) + #error "THREAD_SIZE is less than 16K" + #endif + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_LARGE_STACKS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel was built with CONFIG_DEBUG_LOCK_ALLOC" >&5 +$as_echo_n "checking whether kernel was built with CONFIG_DEBUG_LOCK_ALLOC... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + #ifndef CONFIG_DEBUG_LOCK_ALLOC + #error CONFIG_DEBUG_LOCK_ALLOC not #defined + #endif + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mutex_lock() is GPL-only" >&5 +$as_echo_n "checking whether mutex_lock() is GPL-only... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct mutex lock; + + mutex_init(&lock); + mutex_lock(&lock); + mutex_unlock(&lock); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + as_fn_error $? " + *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is incompatible + *** with the CDDL license and will prevent the module linking stage + *** from succeeding. You must rebuild your kernel without this + *** option enabled." "$LINENO" 5 + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + + +fi + rm -Rf build + + + + + + + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-I\$(src)" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether DECLARE_EVENT_CLASS() is available" >&5 +$as_echo_n "checking whether DECLARE_EVENT_CLASS() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + MODULE_LICENSE(ZFS_META_LICENSE); + + #define CREATE_TRACE_POINTS + #include "conftest.h" + +int +main (void) +{ + + trace_zfs_autoconf_event_one(1UL); + trace_zfs_autoconf_event_two(2UL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + + #if !defined(_CONFTEST_H) || defined(TRACE_HEADER_MULTI_READ) + #define _CONFTEST_H + + #undef TRACE_SYSTEM + #define TRACE_SYSTEM zfs + #include + + DECLARE_EVENT_CLASS(zfs_autoconf_event_class, + TP_PROTO(unsigned long i), + TP_ARGS(i), + TP_STRUCT__entry( + __field(unsigned long, i) + ), + TP_fast_assign( + __entry->i = i; + ), + TP_printk("i = %lu", __entry->i) + ); + + #define DEFINE_AUTOCONF_EVENT(name) \ + DEFINE_EVENT(zfs_autoconf_event_class, name, \ + TP_PROTO(unsigned long i), \ + TP_ARGS(i)) + DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_one); + DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_two); + + #endif /* _CONFTEST_H */ + + #undef TRACE_INCLUDE_PATH + #define TRACE_INCLUDE_PATH . + #define TRACE_INCLUDE_FILE conftest + #include + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_DECLARE_EVENT_CLASS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether current->bio_tail exists" >&5 +$as_echo_n "checking whether current->bio_tail exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + current->bio_tail = (struct bio **) NULL; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CURRENT_BIO_TAIL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether current->bio_list exists" >&5 +$as_echo_n "checking whether current->bio_list exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + current->bio_list = (struct bio_list *) NULL; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CURRENT_BIO_LIST 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether submit_bio() wants 1 arg" >&5 +$as_echo_n "checking whether submit_bio() wants 1 arg... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + blk_qc_t blk_qc; + struct bio *bio = NULL; + blk_qc = submit_bio(bio); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_SUBMIT_BIO 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking block device operation prototypes" >&5 +$as_echo_n "checking block device operation prototypes... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int blk_open(struct block_device *bdev, fmode_t mode) + { return 0; } + int blk_ioctl(struct block_device *bdev, fmode_t mode, + unsigned x, unsigned long y) { return 0; } + int blk_compat_ioctl(struct block_device * bdev, fmode_t mode, + unsigned x, unsigned long y) { return 0; } + + static const struct block_device_operations + bops __attribute__ ((unused)) = { + .open = blk_open, + .release = NULL, + .ioctl = blk_ioctl, + .compat_ioctl = blk_compat_ioctl, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: struct block_device" >&5 +$as_echo "struct block_device" >&6; } + +$as_echo "#define HAVE_BDEV_BLOCK_DEVICE_OPERATIONS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: struct inode" >&5 +$as_echo "struct inode" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether block_device_operations.release is void" >&5 +$as_echo_n "checking whether block_device_operations.release is void... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void blk_release(struct gendisk *g, fmode_t mode) { return; } + + static const struct block_device_operations + bops __attribute__ ((unused)) = { + .open = NULL, + .release = blk_release, + .ioctl = NULL, + .compat_ioctl = NULL, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: void" >&5 +$as_echo "void" >&6; } + +$as_echo "#define HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: int" >&5 +$as_echo "int" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel defines fmode_t" >&5 +$as_echo_n "checking whether kernel defines fmode_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + fmode_t *ptr __attribute__ ((unused)); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FMODE_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel defines KOBJ_NAME_LEN" >&5 +$as_echo_n "checking whether kernel defines KOBJ_NAME_LEN... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int val __attribute__ ((unused)); + val = KOBJ_NAME_LEN; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KOBJ_NAME_LEN 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blkdev_get() wants 3 args" >&5 +$as_echo_n "checking whether blkdev_get() wants 3 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + (void) blkdev_get(bdev, 0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARG_BLKDEV_GET 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blkdev_get_by_path() is available" >&5 +$as_echo_n "checking whether blkdev_get_by_path() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + blkdev_get_by_path(NULL, 0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]blkdev_get_by_path[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(blkdev_get_by_path)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLKDEV_GET_BY_PATH 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether open_bdev_exclusive() is available" >&5 +$as_echo_n "checking whether open_bdev_exclusive() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + open_bdev_exclusive(NULL, 0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]open_bdev_exclusive[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(open_bdev_exclusive)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_OPEN_BDEV_EXCLUSIVE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lookup_bdev() wants 1 arg" >&5 +$as_echo_n "checking whether lookup_bdev() wants 1 arg... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + lookup_bdev(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lookup_bdev() wants 2 args" >&5 +$as_echo_n "checking whether lookup_bdev() wants 2 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + lookup_bdev(NULL, FMODE_READ); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lookup_bdev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(lookup_bdev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_LOOKUP_BDEV 1" >>confdefs.h + + + fi + fi + + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lookup_bdev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(lookup_bdev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lookup_bdev() wants 2 args" >&5 +$as_echo_n "checking whether lookup_bdev() wants 2 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + lookup_bdev(NULL, FMODE_READ); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lookup_bdev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(lookup_bdev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_LOOKUP_BDEV 1" >>confdefs.h + + + fi + fi + + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_LOOKUP_BDEV 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether invalidate_bdev() wants 1 arg" >&5 +$as_echo_n "checking whether invalidate_bdev() wants 1 arg... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + invalidate_bdev(bdev); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_INVALIDATE_BDEV 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdev_logical_block_size() is available" >&5 +$as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + bdev_logical_block_size(bdev); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BDEV_LOGICAL_BLOCK_SIZE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdev_physical_block_size() is available" >&5 +$as_echo_n "checking whether bdev_physical_block_size() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + bdev_physical_block_size(bdev); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BDEV_PHYSICAL_BLOCK_SIZE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio has bi_iter" >&5 +$as_echo_n "checking whether bio has bi_iter... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct bio bio; + bio.bi_iter.bi_sector = 0; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_BVEC_ITER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether BIO_RW_FAILFAST_* are defined" >&5 +$as_echo_n "checking whether BIO_RW_FAILFAST_* are defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = ((1 << BIO_RW_FAILFAST_DEV) | + (1 << BIO_RW_FAILFAST_TRANSPORT) | + (1 << BIO_RW_FAILFAST_DRIVER)); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_RW_FAILFAST_DTD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_FAILFAST_MASK is defined" >&5 +$as_echo_n "checking whether REQ_FAILFAST_MASK is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = REQ_FAILFAST_MASK; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_FAILFAST_MASK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_OP_DISCARD is defined" >&5 +$as_echo_n "checking whether REQ_OP_DISCARD is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int op __attribute__ ((unused)) = REQ_OP_DISCARD; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_OP_DISCARD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_OP_SECURE_ERASE is defined" >&5 +$as_echo_n "checking whether REQ_OP_SECURE_ERASE is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int op __attribute__ ((unused)) = REQ_OP_SECURE_ERASE; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_OP_SECURE_ERASE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_OP_FLUSH is defined" >&5 +$as_echo_n "checking whether REQ_OP_FLUSH is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int op __attribute__ ((unused)) = REQ_OP_FLUSH; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_OP_FLUSH 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio->bi_opf is defined" >&5 +$as_echo_n "checking whether bio->bi_opf is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct bio bio __attribute__ ((unused)); + bio.bi_opf = 0; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_BI_OPF 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio_end_io_t wants 1 arg" >&5 +$as_echo_n "checking whether bio_end_io_t wants 1 arg... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void wanted_end_io(struct bio *bio) { return; } + + bio_end_io_t *end_io __attribute__ ((unused)) = wanted_end_io; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_BIO_END_IO_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether BIO_RW_BARRIER is defined" >&5 +$as_echo_n "checking whether BIO_RW_BARRIER is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = BIO_RW_BARRIER; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_RW_BARRIER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether BIO_RW_DISCARD is defined" >&5 +$as_echo_n "checking whether BIO_RW_DISCARD is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = BIO_RW_DISCARD; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_RW_DISCARD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_flush() is available" >&5 +$as_echo_n "checking whether blk_queue_flush() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_flush(q, REQ_FLUSH); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_FLUSH 1" >>confdefs.h + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_flush() is GPL-only" >&5 +$as_echo_n "checking whether blk_queue_flush() is GPL-only... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_flush(q, REQ_FLUSH); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_FLUSH_GPL_ONLY 1" >>confdefs.h + + + + +fi + rm -Rf build + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_write_cache() exists" >&5 +$as_echo_n "checking whether blk_queue_write_cache() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + +int +main (void) +{ + + struct request_queue *q = NULL; + blk_queue_write_cache(q, true, true); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_WRITE_CACHE 1" >>confdefs.h + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_write_cache() is GPL-only" >&5 +$as_echo_n "checking whether blk_queue_write_cache() is GPL-only... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct request_queue *q = NULL; + blk_queue_write_cache(q, true, true); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY 1" >>confdefs.h + + + + +fi + rm -Rf build + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_max_hw_sectors() is available" >&5 +$as_echo_n "checking whether blk_queue_max_hw_sectors() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_max_hw_sectors(q, BLK_SAFE_MAX_SECTORS); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_MAX_HW_SECTORS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_max_segments() is available" >&5 +$as_echo_n "checking whether blk_queue_max_segments() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_max_segments(q, BLK_MAX_SEGMENTS); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_MAX_SEGMENTS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the BIO_RW_UNPLUG enum is available" >&5 +$as_echo_n "checking whether the BIO_RW_UNPLUG enum is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + extern enum bio_rw_flags rw; + + rw = BIO_RW_UNPLUG; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_HAVE_BIO_RW_UNPLUG 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct blk_plug is available" >&5 +$as_echo_n "checking whether struct blk_plug is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct blk_plug plug; + + blk_start_plug(&plug); + blk_finish_plug(&plug); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_HAVE_BLK_PLUG 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether get_disk_ro() is available" >&5 +$as_echo_n "checking whether get_disk_ro() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct gendisk *disk = NULL; + (void) get_disk_ro(disk); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_DISK_RO 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether get_gendisk() is available" >&5 +$as_echo_n "checking whether get_gendisk() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + get_gendisk(0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]get_gendisk[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in block/genhd.c; do + grep -q -E "EXPORT_SYMBOL.*(get_gendisk)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_GENDISK 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio_set_op_attrs is available" >&5 +$as_echo_n "checking whether bio_set_op_attrs is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct bio *bio __attribute__ ((unused)) = NULL; + + bio_set_op_attrs(bio, 0, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_SET_OP_ATTRS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic_readlink is global" >&5 +$as_echo_n "checking whether generic_readlink is global... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int i __attribute__ ((unused)); + + i = generic_readlink(NULL, NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_READLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ql->discard_granularity is available" >&5 +$as_echo_n "checking whether ql->discard_granularity is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct queue_limits ql __attribute__ ((unused)); + + ql.discard_granularity = 0; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_DISCARD_GRANULARITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block uses const struct xattr_handler" >&5 +$as_echo_n "checking whether super_block uses const struct xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + const struct xattr_handler xattr_test_handler = { + .prefix = "test", + .get = NULL, + .set = NULL, + }; + + const struct xattr_handler *xattr_handlers[] = { + &xattr_test_handler, + }; + + const struct super_block sb __attribute__ ((unused)) = { + .s_xattr = xattr_handlers, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CONST_XATTR_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler has name" >&5 +$as_echo_n "checking whether xattr_handler has name... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .name = XATTR_NAME_POSIX_ACL_ACCESS, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_HANDLER_NAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants both dentry and inode" >&5 +$as_echo_n "checking whether xattr_handler->get() wants both dentry and inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_DENTRY_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants xattr_handler" >&5 +$as_echo_n "checking whether xattr_handler->get() wants xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(const struct xattr_handler *handler, + struct dentry *dentry, const char *name, + void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants dentry" >&5 +$as_echo_n "checking whether xattr_handler->get() wants dentry... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int handler_flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants inode" >&5 +$as_echo_n "checking whether xattr_handler->get() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(struct inode *ip, const char *name, + void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants both dentry and inode" >&5 +$as_echo_n "checking whether xattr_handler->set() wants both dentry and inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, const void *buffer, + size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_DENTRY_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants xattr_handler" >&5 +$as_echo_n "checking whether xattr_handler->set() wants xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(const struct xattr_handler *handler, + struct dentry *dentry, const char *name, + const void *buffer, size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants dentry" >&5 +$as_echo_n "checking whether xattr_handler->set() wants dentry... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(struct dentry *dentry, const char *name, + const void *buffer, size_t size, int flags, + int handler_flags) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants inode" >&5 +$as_echo_n "checking whether xattr_handler->set() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(struct inode *ip, const char *name, + const void *buffer, size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants simple" >&5 +$as_echo_n "checking whether xattr_handler->list() wants simple... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + bool list(struct dentry *dentry) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_SIMPLE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants xattr_handler" >&5 +$as_echo_n "checking whether xattr_handler->list() wants xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + size_t list(const struct xattr_handler *handler, + struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants dentry" >&5 +$as_echo_n "checking whether xattr_handler->list() wants dentry... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + size_t list(struct dentry *dentry, + char *list, size_t list_size, + const char *name, size_t name_len, + int handler_flags) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants inode" >&5 +$as_echo_n "checking whether xattr_handler->list() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + size_t list(struct inode *ip, char *lst, + size_t list_size, const char *name, + size_t name_len) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether inode_owner_or_capable() exists" >&5 +$as_echo_n "checking whether inode_owner_or_capable() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip = NULL; + (void) inode_owner_or_capable(ip); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_OWNER_OR_CAPABLE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether is_owner_or_cap() exists" >&5 +$as_echo_n "checking whether is_owner_or_cap() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + struct inode *ip = NULL; + (void) is_owner_or_cap(ip); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_IS_OWNER_OR_CAP 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_from_xattr() needs user_ns" >&5 +$as_echo_n "checking whether posix_acl_from_xattr() needs user_ns... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + +int +main (void) +{ + + posix_acl_from_xattr(&init_user_ns, NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_FROM_XATTR_USERNS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_release() is available" >&5 +$as_echo_n "checking whether posix_acl_release() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + +int +main (void) +{ + + struct posix_acl* tmp = posix_acl_alloc(1, 0); + posix_acl_release(tmp); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_RELEASE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_release() is GPL-only" >&5 +$as_echo_n "checking whether posix_acl_release() is GPL-only... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct posix_acl* tmp = posix_acl_alloc(1, 0); + posix_acl_release(tmp); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_RELEASE_GPL_ONLY 1" >>confdefs.h + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether set_cached_acl() is usable" >&5 +$as_echo_n "checking whether set_cached_acl() is usable... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct inode *ip = NULL; + struct posix_acl *acl = posix_acl_alloc(1, 0); + set_cached_acl(ip, ACL_TYPE_ACCESS, acl); + forget_cached_acl(ip, ACL_TYPE_ACCESS); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_CACHED_ACL_USABLE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_chmod exists" >&5 +$as_echo_n "checking whether posix_acl_chmod exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + posix_acl_chmod(NULL, 0, 0) + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_CHMOD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __posix_acl_chmod exists" >&5 +$as_echo_n "checking whether __posix_acl_chmod exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + __posix_acl_chmod(NULL, 0, 0) + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE___POSIX_ACL_CHMOD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_equiv_mode() wants umode_t" >&5 +$as_echo_n "checking whether posix_acl_equiv_mode() wants umode_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + umode_t tmp; + posix_acl_equiv_mode(NULL,&tmp); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_valid() wants user namespace" >&5 +$as_echo_n "checking whether posix_acl_valid() wants user namespace... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + struct user_namespace *user_ns = NULL; + const struct posix_acl *acl = NULL; + int error; + + error = posix_acl_valid(user_ns, acl); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_VALID_WITH_NS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->permission() exists" >&5 +$as_echo_n "checking whether iops->permission() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int permission_fn(struct inode *inode, int mask) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .permission = permission_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PERMISSION 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->permission() wants nameidata" >&5 +$as_echo_n "checking whether iops->permission() wants nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int permission_fn(struct inode *inode, int mask, + struct nameidata *nd) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .permission = permission_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PERMISSION 1" >>confdefs.h + + +$as_echo "#define HAVE_PERMISSION_WITH_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->check_acl() exists" >&5 +$as_echo_n "checking whether iops->check_acl() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int check_acl_fn(struct inode *inode, int mask) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .check_acl = check_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CHECK_ACL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->check_acl() wants flags" >&5 +$as_echo_n "checking whether iops->check_acl() wants flags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int check_acl_fn(struct inode *inode, int mask, + unsigned int flags) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .check_acl = check_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CHECK_ACL 1" >>confdefs.h + + +$as_echo "#define HAVE_CHECK_ACL_WITH_FLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->get_acl() exists" >&5 +$as_echo_n "checking whether iops->get_acl() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + struct posix_acl *get_acl_fn(struct inode *inode, int type) + { return NULL; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .get_acl = get_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_ACL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->set_acl() exists" >&5 +$as_echo_n "checking whether iops->set_acl() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set_acl_fn(struct inode *inode, struct posix_acl *acl, int type) + { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .set_acl = set_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_ACL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether uncached_acl_sentinel() exists" >&5 +$as_echo_n "checking whether uncached_acl_sentinel() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + void *sentinel __attribute__ ((unused)) = uncached_acl_sentinel(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KERNEL_GET_ACL_HANDLE_CACHE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->show_options() wants dentry" >&5 +$as_echo_n "checking whether sops->show_options() wants dentry... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int show_options (struct seq_file * x, struct dentry * y) { return 0; }; + static struct super_operations sops __attribute__ ((unused)) = { + .show_options = show_options, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SHOW_OPTIONS_WITH_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether file_inode() is available" >&5 +$as_echo_n "checking whether file_inode() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct file *f = NULL; + file_inode(f); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fsync() wants" >&5 +$as_echo_n "checking whether fops->fsync() wants... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int test_fsync(struct file *f, struct dentry *dentry, int x) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: dentry" >&5 +$as_echo "dentry" >&6; } + +$as_echo "#define HAVE_FSYNC_WITH_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + + +fi + rm -Rf build + + + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int test_fsync(struct file *f, int x) { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no dentry" >&5 +$as_echo "no dentry" >&6; } + +$as_echo "#define HAVE_FSYNC_WITHOUT_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + + +fi + rm -Rf build + + + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int test_fsync(struct file *f, loff_t a, loff_t b, int c) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: range" >&5 +$as_echo "range" >&6; } + +$as_echo "#define HAVE_FSYNC_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->evict_inode() exists" >&5 +$as_echo_n "checking whether sops->evict_inode() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void evict_inode (struct inode * t) { return; } + static struct super_operations sops __attribute__ ((unused)) = { + .evict_inode = evict_inode, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_EVICT_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->dirty_inode() wants flags" >&5 +$as_echo_n "checking whether sops->dirty_inode() wants flags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void dirty_inode(struct inode *a, int b) { return; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .dirty_inode = dirty_inode, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_DIRTY_INODE_WITH_FLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->nr_cached_objects() exists" >&5 +$as_echo_n "checking whether sops->nr_cached_objects() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int nr_cached_objects(struct super_block *sb) { return 0; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .nr_cached_objects = nr_cached_objects, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_NR_CACHED_OBJECTS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->free_cached_objects() exists" >&5 +$as_echo_n "checking whether sops->free_cached_objects() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void free_cached_objects(struct super_block *sb, int x) + { return; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .free_cached_objects = free_cached_objects, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FREE_CACHED_OBJECTS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fallocate() exists" >&5 +$as_echo_n "checking whether fops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + long test_fallocate(struct file *file, int mode, + loff_t offset, loff_t len) { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fallocate = test_fallocate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->fallocate() exists" >&5 +$as_echo_n "checking whether iops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + long test_fallocate(struct inode *inode, int mode, + loff_t offset, loff_t len) { return 0; } + + static const struct inode_operations + fops __attribute__ ((unused)) = { + .fallocate = test_fallocate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->aio_fsync() exists" >&5 +$as_echo_n "checking whether fops->aio_fsync() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + static const struct file_operations + fops __attribute__ ((unused)) = { + .aio_fsync = NULL, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_AIO_FSYNC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->create()/mkdir()/mknod() take umode_t" >&5 +$as_echo_n "checking whether iops->create()/mkdir()/mknod() take umode_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int mkdir(struct inode *inode, struct dentry *dentry, + umode_t umode) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .mkdir = mkdir, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_MKDIR_UMODE_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->lookup() passes nameidata" >&5 +$as_echo_n "checking whether iops->lookup() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + struct dentry *inode_lookup(struct inode *inode, + struct dentry *dentry, struct nameidata *nidata) + { return NULL; } + + static const struct inode_operations iops + __attribute__ ((unused)) = { + .lookup = inode_lookup, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_LOOKUP_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->create() passes nameidata" >&5 +$as_echo_n "checking whether iops->create() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + #ifdef HAVE_MKDIR_UMODE_T + int inode_create(struct inode *inode ,struct dentry *dentry, + umode_t umode, struct nameidata *nidata) { return 0; } + #else + int inode_create(struct inode *inode,struct dentry *dentry, + int umode, struct nameidata * nidata) { return 0; } + #endif + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .create = inode_create, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CREATE_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->get_link() passes delayed" >&5 +$as_echo_n "checking whether iops->get_link() passes delayed... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + const char *get_link(struct dentry *de, struct inode *ip, + struct delayed_call *done) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .get_link = get_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_LINK_DELAYED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->get_link() passes cookie" >&5 +$as_echo_n "checking whether iops->get_link() passes cookie... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + const char *get_link(struct dentry *de, struct + inode *ip, void **cookie) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .get_link = get_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_LINK_COOKIE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->follow_link() passes cookie" >&5 +$as_echo_n "checking whether iops->follow_link() passes cookie... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + const char *follow_link(struct dentry *de, + void **cookie) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .follow_link = follow_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FOLLOW_LINK_COOKIE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->follow_link() passes nameidata" >&5 +$as_echo_n "checking whether iops->follow_link() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void *follow_link(struct dentry *de, struct + nameidata *nd) { return (void *)NULL; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .follow_link = follow_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FOLLOW_LINK_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if !defined(HAVE_GET_LINK_DELAYED) + #error "Expecting get_link() delayed done" + #endif + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + +$as_echo "#define HAVE_PUT_LINK_DELAYED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->put_link() passes cookie" >&5 +$as_echo_n "checking whether iops->put_link() passes cookie... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void put_link(struct inode *ip, void *cookie) + { return; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .put_link = put_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PUT_LINK_COOKIE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->put_link() passes nameidata" >&5 +$as_echo_n "checking whether iops->put_link() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void put_link(struct dentry *de, struct + nameidata *nd, void *ptr) { return; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .put_link = put_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PUT_LINK_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->truncate_range() exists" >&5 +$as_echo_n "checking whether iops->truncate_range() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void truncate_range(struct inode *inode, loff_t start, + loff_t end) { return; } + static struct inode_operations iops __attribute__ ((unused)) = { + .truncate_range = truncate_range, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_TRUNCATE_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether dops->d_automount() exists" >&5 +$as_echo_n "checking whether dops->d_automount() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct vfsmount *d_automount(struct path *p) { return NULL; } + struct dentry_operations dops __attribute__ ((unused)) = { + .d_automount = d_automount, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_AUTOMOUNT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether eops->encode_fh() wants inode" >&5 +$as_echo_n "checking whether eops->encode_fh() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int encode_fh(struct inode *inode, __u32 *fh, int *max_len, + struct inode *parent) { return 0; } + static struct export_operations eops __attribute__ ((unused))={ + .encode_fh = encode_fh, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_ENCODE_FH_WITH_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether eops->commit_metadata() exists" >&5 +$as_echo_n "checking whether eops->commit_metadata() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int commit_metadata(struct inode *inode) { return 0; } + static struct export_operations eops __attribute__ ((unused))={ + .commit_metadata = commit_metadata, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_COMMIT_METADATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether clear_inode() is available" >&5 +$as_echo_n "checking whether clear_inode() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + clear_inode(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]clear_inode[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/inode.c; do + grep -q -E "EXPORT_SYMBOL.*(clear_inode)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CLEAR_INODE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether setattr_prepare() is available" >&5 +$as_echo_n "checking whether setattr_prepare() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct dentry *dentry = NULL; + struct iattr *attr = NULL; + int error; + + error = setattr_prepare(dentry, attr); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]setattr_prepare[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/attr.c; do + grep -q -E "EXPORT_SYMBOL.*(setattr_prepare)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SETATTR_PREPARE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether insert_inode_locked() is available" >&5 +$as_echo_n "checking whether insert_inode_locked() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + insert_inode_locked(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]insert_inode_locked[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/inode.c; do + grep -q -E "EXPORT_SYMBOL.*(insert_inode_locked)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INSERT_INODE_LOCKED 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_make_root() is available" >&5 +$as_echo_n "checking whether d_make_root() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + d_make_root(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_make_root[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_make_root)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_MAKE_ROOT 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_obtain_alias() is available" >&5 +$as_echo_n "checking whether d_obtain_alias() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + d_obtain_alias(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_obtain_alias[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_obtain_alias)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_OBTAIN_ALIAS 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_prune_aliases() is available" >&5 +$as_echo_n "checking whether d_prune_aliases() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip = NULL; + d_prune_aliases(ip); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_prune_aliases[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_prune_aliases)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_PRUNE_ALIASES 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_set_d_op() is available" >&5 +$as_echo_n "checking whether d_set_d_op() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + d_set_d_op(NULL, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_set_d_op[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_set_d_op)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_SET_D_OP 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether dops->d_revalidate() takes struct nameidata" >&5 +$as_echo_n "checking whether dops->d_revalidate() takes struct nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int revalidate (struct dentry *dentry, + struct nameidata *nidata) { return 0; } + + static const struct dentry_operations + dops __attribute__ ((unused)) = { + .d_revalidate = revalidate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_REVALIDATE_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether dentry uses const struct dentry_operations" >&5 +$as_echo_n "checking whether dentry uses const struct dentry_operations... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + const struct dentry_operations test_d_op = { + .d_revalidate = NULL, + }; + +int +main (void) +{ + + struct dentry d __attribute__ ((unused)); + + d.d_op = &test_d_op; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CONST_DENTRY_OPERATIONS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether check_disk_size_change() is available" >&5 +$as_echo_n "checking whether check_disk_size_change() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + check_disk_size_change(NULL, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]check_disk_size_change[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(check_disk_size_change)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CHECK_DISK_SIZE_CHANGE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether truncate_setsize() is available" >&5 +$as_echo_n "checking whether truncate_setsize() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + truncate_setsize(NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]truncate_setsize[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/truncate.c; do + grep -q -E "EXPORT_SYMBOL.*(truncate_setsize)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_TRUNCATE_SETSIZE 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether security_inode_init_security wants 6 args" >&5 +$as_echo_n "checking whether security_inode_init_security wants 6 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip __attribute__ ((unused)) = NULL; + struct inode *dip __attribute__ ((unused)) = NULL; + const struct qstr *str __attribute__ ((unused)) = NULL; + char *name __attribute__ ((unused)) = NULL; + void *value __attribute__ ((unused)) = NULL; + size_t len __attribute__ ((unused)) = 0; + + security_inode_init_security(ip, dip, str, &name, &value, &len); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether security_inode_init_security wants callback" >&5 +$as_echo_n "checking whether security_inode_init_security wants callback... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip __attribute__ ((unused)) = NULL; + struct inode *dip __attribute__ ((unused)) = NULL; + const struct qstr *str __attribute__ ((unused)) = NULL; + initxattrs func __attribute__ ((unused)) = NULL; + + security_inode_init_security(ip, dip, str, func, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CALLBACK_SECURITY_INODE_INIT_SECURITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mount_nodev() is available" >&5 +$as_echo_n "checking whether mount_nodev() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + mount_nodev(NULL, 0, NULL, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]mount_nodev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/super.c; do + grep -q -E "EXPORT_SYMBOL.*(mount_nodev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_MOUNT_NODEV 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block has s_shrink" >&5 +$as_echo_n "checking whether super_block has s_shrink... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrink(struct shrinker *s, struct shrink_control *sc) + { return 0; } + + static const struct super_block + sb __attribute__ ((unused)) = { + .s_shrink.shrink = shrink, + .s_shrink.seeks = DEFAULT_SEEKS, + .s_shrink.batch = 0, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SHRINK 1" >>confdefs.h + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether shrink_control has nid" >&5 +$as_echo_n "checking whether shrink_control has nid... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct shrink_control sc __attribute__ ((unused)); + unsigned long scnidsize __attribute__ ((unused)) = + sizeof(sc.nid); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define SHRINK_CONTROL_HAS_NID 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block has s_instances list_head" >&5 +$as_echo_n "checking whether super_block has s_instances list_head... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct super_block sb __attribute__ ((unused)); + + INIT_LIST_HEAD(&sb.s_instances); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_S_INSTANCES_LIST_HEAD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block has s_d_op" >&5 +$as_echo_n "checking whether super_block has s_d_op... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct super_block sb __attribute__ ((unused)); + sb.s_d_op = NULL; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_S_D_OP 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdi_setup_and_register() wants 2 args" >&5 +$as_echo_n "checking whether bdi_setup_and_register() wants 2 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct backing_dev_info bdi; + +int +main (void) +{ + + char *name = "bdi"; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdi_setup_and_register() wants 3 args" >&5 +$as_echo_n "checking whether bdi_setup_and_register() wants 3 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct backing_dev_info bdi; + +int +main (void) +{ + + char *name = "bdi"; + unsigned int cap = BDI_CAP_MAP_COPY; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name, cap); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/backing-dev.c; do + grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_BDI_SETUP_AND_REGISTER 1" >>confdefs.h + + + fi + fi + + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/backing-dev.c; do + grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdi_setup_and_register() wants 3 args" >&5 +$as_echo_n "checking whether bdi_setup_and_register() wants 3 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct backing_dev_info bdi; + +int +main (void) +{ + + char *name = "bdi"; + unsigned int cap = BDI_CAP_MAP_COPY; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name, cap); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/backing-dev.c; do + grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_BDI_SETUP_AND_REGISTER 1" >>confdefs.h + + + fi + fi + + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_BDI_SETUP_AND_REGISTER 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether set_nlink() is available" >&5 +$as_echo_n "checking whether set_nlink() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode node; + unsigned int link = 0; + (void) set_nlink(&node, link); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_NLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether elevator_change() is available" >&5 +$as_echo_n "checking whether elevator_change() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + int ret; + struct request_queue *q = NULL; + char *elevator = NULL; + ret = elevator_change(q, elevator); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_ELEVATOR_CHANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sget() wants 5 args" >&5 +$as_echo_n "checking whether sget() wants 5 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct file_system_type *type = NULL; + int (*test)(struct super_block *,void *) = NULL; + int (*set)(struct super_block *,void *) = NULL; + int flags = 0; + void *data = NULL; + (void) sget(type, test, set, flags, data); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_5ARG_SGET 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lseek_execute() is available" >&5 +$as_echo_n "checking whether lseek_execute() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct file *fp __attribute__ ((unused)) = NULL; + struct inode *ip __attribute__ ((unused)) = NULL; + loff_t offset __attribute__ ((unused)) = 0; + loff_t maxsize __attribute__ ((unused)) = 0; + + lseek_execute(fp, ip, offset, maxsize); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lseek_exclusive[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/read_write.c; do + grep -q -E "EXPORT_SYMBOL.*(lseek_exclusive)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_LSEEK_EXECUTE 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->iterate_shared() is available" >&5 +$as_echo_n "checking whether fops->iterate_shared() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int iterate(struct file *filp, struct dir_context * context) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .iterate_shared = iterate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_ITERATE_SHARED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->iterate() is available" >&5 +$as_echo_n "checking whether fops->iterate() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int iterate(struct file *filp, struct dir_context * context) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .iterate = iterate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_ITERATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->readdir() is available" >&5 +$as_echo_n "checking whether fops->readdir() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int readdir(struct file *filp, void *entry, filldir_t func) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .readdir = readdir, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_READDIR 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; file a bug report with ZFSOnLinux" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->read/write_iter() are available" >&5 +$as_echo_n "checking whether fops->read/write_iter() are available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to) + { return 0; } + ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .read_iter = test_read, + .write_iter = test_write, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_RW_ITERATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic_write_checks() takes kiocb" >&5 +$as_echo_n "checking whether generic_write_checks() takes kiocb... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + +int +main (void) +{ + + struct kiocb *iocb = NULL; + struct iov_iter *iov = NULL; + generic_write_checks(iocb, iov); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_WRITE_CHECKS_KIOCB 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kmap_atomic wants 1 args" >&5 +$as_echo_n "checking whether kmap_atomic wants 1 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct page page; + kmap_atomic(&page); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_KMAP_ATOMIC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether follow_down_one() is available" >&5 +$as_echo_n "checking whether follow_down_one() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct path *p = NULL; + follow_down_one(p); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FOLLOW_DOWN_ONE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether make_request_fn() returns int" >&5 +$as_echo_n "checking whether make_request_fn() returns int... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int make_request(struct request_queue *q, struct bio *bio) + { + return (0); + } + +int +main (void) +{ + + blk_queue_make_request(NULL, &make_request); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define MAKE_REQUEST_FN_RET int" >>confdefs.h + + +$as_echo "#define HAVE_MAKE_REQUEST_FN_RET_INT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether make_request_fn() returns void" >&5 +$as_echo_n "checking whether make_request_fn() returns void... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void make_request(struct request_queue *q, struct bio *bio) + { + return; + } + +int +main (void) +{ + + blk_queue_make_request(NULL, &make_request); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define MAKE_REQUEST_FN_RET void" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether make_request_fn() returns blk_qc_t" >&5 +$as_echo_n "checking whether make_request_fn() returns blk_qc_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + blk_qc_t make_request(struct request_queue *q, struct bio *bio) + { + return (BLK_QC_T_NONE); + } + +int +main (void) +{ + + blk_queue_make_request(NULL, &make_request); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define MAKE_REQUEST_FN_RET blk_qc_t" >>confdefs.h + + +$as_echo "#define HAVE_MAKE_REQUEST_FN_RET_QC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic IO accounting symbols are avaliable" >&5 +$as_echo_n "checking whether generic IO accounting symbols are avaliable... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void (*generic_start_io_acct_f)(int, unsigned long, + struct hd_struct *) = &generic_start_io_acct; + void (*generic_end_io_acct_f)(int, struct hd_struct *, + unsigned long) = &generic_end_io_acct; + +int +main (void) +{ + + generic_start_io_acct(0, 0, NULL); + generic_end_io_acct(0, NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]generic_start_io_acct[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in block/bio.c; do + grep -q -E "EXPORT_SYMBOL.*(generic_start_io_acct)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_IO_ACCT 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->rename() wants flags" >&5 +$as_echo_n "checking whether iops->rename() wants flags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int rename_fn(struct inode *sip, struct dentry *sdp, + struct inode *tip, struct dentry *tdp, + unsigned int flags) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .rename = rename_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_RENAME_WANTS_FLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic_setxattr() exists" >&5 +$as_echo_n "checking whether generic_setxattr() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .setxattr = generic_setxattr + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_SETXATTR 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + if test "$LINUX_OBJ" != "$LINUX"; then : + + KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" + +fi + + + + KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE" + KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_BOOL_COMPARE" + KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL" + KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\"" + + + ;; + all) + + +# Check whether --with-linux was given. +if test "${with_linux+set}" = set; then : + withval=$with_linux; kernelsrc="$withval" +fi + + + +# Check whether --with-linux-obj was given. +if test "${with_linux_obj+set}" = set; then : + withval=$with_linux_obj; kernelbuild="$withval" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source directory" >&5 +$as_echo_n "checking kernel source directory... " >&6; } + if test -z "$kernelsrc"; then : + + if test -e "/lib/modules/$(uname -r)/source"; then : + + headersdir="/lib/modules/$(uname -r)/source" + sourcelink=$(readlink -f "$headersdir") + +elif test -e "/lib/modules/$(uname -r)/build"; then : + + headersdir="/lib/modules/$(uname -r)/build" + sourcelink=$(readlink -f "$headersdir") + +else + + sourcelink=$(ls -1d /usr/src/kernels/* \ + /usr/src/linux-* \ + 2>/dev/null | grep -v obj | tail -1) + +fi + + if test -n "$sourcelink" && test -e ${sourcelink}; then : + + kernelsrc=`readlink -f ${sourcelink}` + +else + + kernelsrc="Not found" + +fi + +else + + if test "$kernelsrc" = "NONE"; then : + + kernsrcver=NONE + +fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelsrc" >&5 +$as_echo "$kernelsrc" >&6; } + if test ! -d "$kernelsrc"; then : + + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed and then try again. If that fails, you can specify the + *** location of the kernel source with the '--with-linux=PATH' option." "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel build directory" >&5 +$as_echo_n "checking kernel build directory... " >&6; } + if test -z "$kernelbuild"; then : + + if test -e "/lib/modules/$(uname -r)/build"; then : + + kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` + +elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then : + + kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} + +elif test -d ${kernelsrc}-obj/${target_cpu}/default; then : + + kernelbuild=${kernelsrc}-obj/${target_cpu}/default + +elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then : + + kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} + +else + + kernelbuild=${kernelsrc} + +fi + +fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernelbuild" >&5 +$as_echo "$kernelbuild" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel source version" >&5 +$as_echo_n "checking kernel source version... " >&6; } + utsrelease1=$kernelbuild/include/linux/version.h + utsrelease2=$kernelbuild/include/linux/utsrelease.h + utsrelease3=$kernelbuild/include/generated/utsrelease.h + if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then : + + utsrelease=linux/version.h + +elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then : + + utsrelease=linux/utsrelease.h + +elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then : + + utsrelease=generated/utsrelease.h + +fi + + if test "$utsrelease"; then : + + kernsrcver=`(echo "#include <$utsrelease>"; + echo "kernsrcver=UTS_RELEASE") | + cpp -I $kernelbuild/include | + grep "^kernsrcver=" | cut -d \" -f 2` + + if test -z "$kernsrcver"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + as_fn_error $? "*** Cannot determine kernel version." "$LINENO" 5 + +fi + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Cannot find UTS_RELEASE definition." "$LINENO" 5 + else + as_fn_error $? " + *** Cannot find UTS_RELEASE definition. + *** Please run 'make prepare' inside the kernel source tree." "$LINENO" 5 + fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $kernsrcver" >&5 +$as_echo "$kernsrcver" >&6; } + + LINUX=${kernelsrc} + LINUX_OBJ=${kernelbuild} + LINUX_VERSION=${kernsrcver} + + + + + + + modpost=$LINUX/scripts/Makefile.modpost + { $as_echo "$as_me:${as_lineno-$LINENO}: checking kernel file name for module symbols" >&5 +$as_echo_n "checking kernel file name for module symbols... " >&6; } + if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then : + + if grep -q Modules.symvers $modpost; then : + + LINUX_SYMBOLS=Modules.symvers + +else + + LINUX_SYMBOLS=Module.symvers + +fi + + if test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then : + + as_fn_error $? " + *** Please make sure the kernel devel package for your distribution + *** is installed. If you are building with a custom kernel, make sure the + *** kernel is configured, built, and the '--with-linux=PATH' configure + *** option refers to the location of the kernel source." "$LINENO" 5 + +fi + +else + + LINUX_SYMBOLS=NONE + +fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LINUX_SYMBOLS" >&5 +$as_echo "$LINUX_SYMBOLS" >&6; } + + + + + +# Check whether --with-spl was given. +if test "${with_spl+set}" = set; then : + withval=$with_spl; splsrc="$withval" +fi + + + +# Check whether --with-spl-obj was given. +if test "${with_spl_obj+set}" = set; then : + withval=$with_spl_obj; splbuild="$withval" +fi + + + +# Check whether --with-spl-timeout was given. +if test "${with_spl_timeout+set}" = set; then : + withval=$with_spl_timeout; timeout="$withval" +else + timeout=0 +fi + + + splsrc0="/var/lib/dkms/spl/${VERSION}/build" + splsrc1="/usr/local/src/spl-${VERSION}/${LINUX_VERSION}" + splsrc2="/usr/local/src/spl-${VERSION}" + splsrc3="/usr/src/spl-${VERSION}/${LINUX_VERSION}" + splsrc4="/usr/src/spl-${VERSION}" + splsrc5="../spl/" + splsrc6="$LINUX" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl source directory" >&5 +$as_echo_n "checking spl source directory... " >&6; } + if test -z "${splsrc}"; then : + + if test -e "${splsrc0}/spl.release.in"; then : + + splsrc=${splsrc0} + +elif test -e "${splsrc1}/spl.release.in"; then : + + splsrc=${splsrc1} + +elif test -e "${splsrc2}/spl.release.in"; then : + + splsrc=${splsrc2} + +elif test -e "${splsrc3}/spl.release.in"; then : + + splsrc=$(readlink -f "${splsrc3}") + +elif test -e "${splsrc4}/spl.release.in" ; then : + + splsrc=${splsrc4} + +elif test -e "${splsrc5}/spl.release.in"; then : + + splsrc=$(readlink -f "${splsrc5}") + +elif test -e "${splsrc6}/spl.release.in" ; then : + + splsrc=${splsrc6} + +else + + splsrc="Not found" + +fi + +else + + if test "$splsrc" = "NONE"; then : + + splbuild=NONE + splsrcver=NONE + +fi + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $splsrc" >&5 +$as_echo "$splsrc" >&6; } + if test ! -e "$splsrc/spl.release.in"; then : + + as_fn_error $? " + *** Please make sure the kmod spl devel package for your distribution + *** is installed then try again. If that fails you can specify the + *** location of the spl source with the '--with-spl=PATH' option." "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl build directory" >&5 +$as_echo_n "checking spl build directory... " >&6; } + while true; do + if test -z "$splbuild"; then : + + if test -e "${splsrc}/${LINUX_VERSION}/spl_config.h" ; then : + + splbuild="${splsrc}/${LINUX_VERSION}" + +elif test -e "${splsrc}/spl_config.h" ; then : + + splbuild="${splsrc}" + +elif find -L "${splsrc}" -name spl_config.h 2> /dev/null | grep -wq spl_config.h ; then : + + splbuild=$(find -L "${splsrc}" -name spl_config.h | sed 's,/spl_config.h,,') + +else + + splbuild="Not found" + +fi + +fi + if test -e "$splbuild/spl_config.h" -o $timeout -le 0; then : + + break; + +else + + sleep 1 + timeout=$((timeout-1)) + +fi + done + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $splbuild" >&5 +$as_echo "$splbuild" >&6; } + if ! test -e "$splbuild/spl_config.h"; then : + + as_fn_error $? " + *** Please make sure the kmod spl devel package for your + *** distribution is installed then try again. If that fails you + *** can specify the location of the spl objects with the + *** '--with-spl-obj=PATH' option." "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl source version" >&5 +$as_echo_n "checking spl source version... " >&6; } + if test -r $splbuild/spl_config.h && + fgrep -q SPL_META_VERSION $splbuild/spl_config.h; then : + + + splsrcver=`(echo "#include "; + echo "splsrcver=SPL_META_VERSION-SPL_META_RELEASE") | + cpp -I $splbuild | + grep "^splsrcver=" | tr -d \" | cut -d= -f2` + +fi + + if test -z "$splsrcver"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Not found" >&5 +$as_echo "Not found" >&6; } + as_fn_error $? " + *** Cannot determine the version of the spl source. + *** Please prepare the spl source before running this script" "$LINENO" 5 + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $splsrcver" >&5 +$as_echo "$splsrcver" >&6; } + + SPL=${splsrc} + SPL_OBJ=${splbuild} + SPL_VERSION=${splsrcver} + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking spl file name for module symbols" >&5 +$as_echo_n "checking spl file name for module symbols... " >&6; } + SPL_SYMBOLS=NONE + + while true; do + if test -r $SPL_OBJ/Module.symvers; then : + + SPL_SYMBOLS=Module.symvers + +elif test -r $SPL_OBJ/Modules.symvers; then : + + SPL_SYMBOLS=Modules.symvers + +elif test -r $SPL_OBJ/module/Module.symvers; then : + + SPL_SYMBOLS=Module.symvers + +elif test -r $SPL_OBJ/module/Modules.symvers; then : + + SPL_SYMBOLS=Modules.symvers + +fi + + if test $SPL_SYMBOLS != NONE -o $timeout -le 0; then : + + break; + +else + + sleep 1 + timeout=$((timeout-1)) + +fi + done + + if test "$SPL_SYMBOLS" = NONE; then : + + SPL_SYMBOLS=$LINUX_SYMBOLS + +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SPL_SYMBOLS" >&5 +$as_echo "$SPL_SYMBOLS" >&6; } + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether modules can be built" >&5 +$as_echo_n "checking whether modules can be built... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + +int +main (void) +{ + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + if test "x$enable_linux_builtin" != xyes; then + as_fn_error $? "*** Unable to build an empty module." "$LINENO" 5 + else + as_fn_error $? " + *** Unable to build an empty module. + *** Please run 'make scripts' inside the kernel source tree." "$LINENO" 5 + fi + + + +fi + rm -Rf build + + + + + if test "x$cross_compiling" != xyes; then : + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + + #include "$LINUX/include/linux/license.h" + +int +main () +{ + + return !license_is_gpl_compatible("$ZFS_META_LICENSE"); + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + +$as_echo "#define ZFS_IS_GPL_COMPATIBLE 1" >>confdefs.h + + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel was built with 16K or larger stacks" >&5 +$as_echo_n "checking whether kernel was built with 16K or larger stacks... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + #if (THREAD_SIZE < 16384) + #error "THREAD_SIZE is less than 16K" + #endif + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_LARGE_STACKS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel was built with CONFIG_DEBUG_LOCK_ALLOC" >&5 +$as_echo_n "checking whether kernel was built with CONFIG_DEBUG_LOCK_ALLOC... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + #ifndef CONFIG_DEBUG_LOCK_ALLOC + #error CONFIG_DEBUG_LOCK_ALLOC not #defined + #endif + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mutex_lock() is GPL-only" >&5 +$as_echo_n "checking whether mutex_lock() is GPL-only... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct mutex lock; + + mutex_init(&lock); + mutex_lock(&lock); + mutex_unlock(&lock); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + as_fn_error $? " + *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is incompatible + *** with the CDDL license and will prevent the module linking stage + *** from succeeding. You must rebuild your kernel without this + *** option enabled." "$LINENO" 5 + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + + +fi + rm -Rf build + + + + + + + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-I\$(src)" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether DECLARE_EVENT_CLASS() is available" >&5 +$as_echo_n "checking whether DECLARE_EVENT_CLASS() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + MODULE_LICENSE(ZFS_META_LICENSE); + + #define CREATE_TRACE_POINTS + #include "conftest.h" + +int +main (void) +{ + + trace_zfs_autoconf_event_one(1UL); + trace_zfs_autoconf_event_two(2UL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + + #if !defined(_CONFTEST_H) || defined(TRACE_HEADER_MULTI_READ) + #define _CONFTEST_H + + #undef TRACE_SYSTEM + #define TRACE_SYSTEM zfs + #include + + DECLARE_EVENT_CLASS(zfs_autoconf_event_class, + TP_PROTO(unsigned long i), + TP_ARGS(i), + TP_STRUCT__entry( + __field(unsigned long, i) + ), + TP_fast_assign( + __entry->i = i; + ), + TP_printk("i = %lu", __entry->i) + ); + + #define DEFINE_AUTOCONF_EVENT(name) \ + DEFINE_EVENT(zfs_autoconf_event_class, name, \ + TP_PROTO(unsigned long i), \ + TP_ARGS(i)) + DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_one); + DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_two); + + #endif /* _CONFTEST_H */ + + #undef TRACE_INCLUDE_PATH + #define TRACE_INCLUDE_PATH . + #define TRACE_INCLUDE_FILE conftest + #include + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_DECLARE_EVENT_CLASS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether current->bio_tail exists" >&5 +$as_echo_n "checking whether current->bio_tail exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + current->bio_tail = (struct bio **) NULL; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CURRENT_BIO_TAIL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether current->bio_list exists" >&5 +$as_echo_n "checking whether current->bio_list exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + current->bio_list = (struct bio_list *) NULL; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CURRENT_BIO_LIST 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether submit_bio() wants 1 arg" >&5 +$as_echo_n "checking whether submit_bio() wants 1 arg... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + blk_qc_t blk_qc; + struct bio *bio = NULL; + blk_qc = submit_bio(bio); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_SUBMIT_BIO 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking block device operation prototypes" >&5 +$as_echo_n "checking block device operation prototypes... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int blk_open(struct block_device *bdev, fmode_t mode) + { return 0; } + int blk_ioctl(struct block_device *bdev, fmode_t mode, + unsigned x, unsigned long y) { return 0; } + int blk_compat_ioctl(struct block_device * bdev, fmode_t mode, + unsigned x, unsigned long y) { return 0; } + + static const struct block_device_operations + bops __attribute__ ((unused)) = { + .open = blk_open, + .release = NULL, + .ioctl = blk_ioctl, + .compat_ioctl = blk_compat_ioctl, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: struct block_device" >&5 +$as_echo "struct block_device" >&6; } + +$as_echo "#define HAVE_BDEV_BLOCK_DEVICE_OPERATIONS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: struct inode" >&5 +$as_echo "struct inode" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether block_device_operations.release is void" >&5 +$as_echo_n "checking whether block_device_operations.release is void... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void blk_release(struct gendisk *g, fmode_t mode) { return; } + + static const struct block_device_operations + bops __attribute__ ((unused)) = { + .open = NULL, + .release = blk_release, + .ioctl = NULL, + .compat_ioctl = NULL, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: void" >&5 +$as_echo "void" >&6; } + +$as_echo "#define HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: int" >&5 +$as_echo "int" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel defines fmode_t" >&5 +$as_echo_n "checking whether kernel defines fmode_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + fmode_t *ptr __attribute__ ((unused)); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FMODE_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kernel defines KOBJ_NAME_LEN" >&5 +$as_echo_n "checking whether kernel defines KOBJ_NAME_LEN... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int val __attribute__ ((unused)); + val = KOBJ_NAME_LEN; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KOBJ_NAME_LEN 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blkdev_get() wants 3 args" >&5 +$as_echo_n "checking whether blkdev_get() wants 3 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + (void) blkdev_get(bdev, 0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARG_BLKDEV_GET 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blkdev_get_by_path() is available" >&5 +$as_echo_n "checking whether blkdev_get_by_path() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + blkdev_get_by_path(NULL, 0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]blkdev_get_by_path[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(blkdev_get_by_path)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLKDEV_GET_BY_PATH 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether open_bdev_exclusive() is available" >&5 +$as_echo_n "checking whether open_bdev_exclusive() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + open_bdev_exclusive(NULL, 0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]open_bdev_exclusive[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(open_bdev_exclusive)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_OPEN_BDEV_EXCLUSIVE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lookup_bdev() wants 1 arg" >&5 +$as_echo_n "checking whether lookup_bdev() wants 1 arg... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + lookup_bdev(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lookup_bdev() wants 2 args" >&5 +$as_echo_n "checking whether lookup_bdev() wants 2 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + lookup_bdev(NULL, FMODE_READ); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lookup_bdev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(lookup_bdev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_LOOKUP_BDEV 1" >>confdefs.h + + + fi + fi + + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lookup_bdev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(lookup_bdev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lookup_bdev() wants 2 args" >&5 +$as_echo_n "checking whether lookup_bdev() wants 2 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + lookup_bdev(NULL, FMODE_READ); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lookup_bdev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(lookup_bdev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_LOOKUP_BDEV 1" >>confdefs.h + + + fi + fi + + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_LOOKUP_BDEV 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether invalidate_bdev() wants 1 arg" >&5 +$as_echo_n "checking whether invalidate_bdev() wants 1 arg... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + invalidate_bdev(bdev); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_INVALIDATE_BDEV 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdev_logical_block_size() is available" >&5 +$as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + bdev_logical_block_size(bdev); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BDEV_LOGICAL_BLOCK_SIZE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdev_physical_block_size() is available" >&5 +$as_echo_n "checking whether bdev_physical_block_size() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct block_device *bdev = NULL; + bdev_physical_block_size(bdev); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BDEV_PHYSICAL_BLOCK_SIZE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio has bi_iter" >&5 +$as_echo_n "checking whether bio has bi_iter... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct bio bio; + bio.bi_iter.bi_sector = 0; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_BVEC_ITER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether BIO_RW_FAILFAST_* are defined" >&5 +$as_echo_n "checking whether BIO_RW_FAILFAST_* are defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = ((1 << BIO_RW_FAILFAST_DEV) | + (1 << BIO_RW_FAILFAST_TRANSPORT) | + (1 << BIO_RW_FAILFAST_DRIVER)); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_RW_FAILFAST_DTD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_FAILFAST_MASK is defined" >&5 +$as_echo_n "checking whether REQ_FAILFAST_MASK is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = REQ_FAILFAST_MASK; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_FAILFAST_MASK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_OP_DISCARD is defined" >&5 +$as_echo_n "checking whether REQ_OP_DISCARD is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int op __attribute__ ((unused)) = REQ_OP_DISCARD; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_OP_DISCARD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_OP_SECURE_ERASE is defined" >&5 +$as_echo_n "checking whether REQ_OP_SECURE_ERASE is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int op __attribute__ ((unused)) = REQ_OP_SECURE_ERASE; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_OP_SECURE_ERASE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether REQ_OP_FLUSH is defined" >&5 +$as_echo_n "checking whether REQ_OP_FLUSH is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int op __attribute__ ((unused)) = REQ_OP_FLUSH; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_REQ_OP_FLUSH 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio->bi_opf is defined" >&5 +$as_echo_n "checking whether bio->bi_opf is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct bio bio __attribute__ ((unused)); + bio.bi_opf = 0; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_BI_OPF 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio_end_io_t wants 1 arg" >&5 +$as_echo_n "checking whether bio_end_io_t wants 1 arg... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void wanted_end_io(struct bio *bio) { return; } + + bio_end_io_t *end_io __attribute__ ((unused)) = wanted_end_io; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_BIO_END_IO_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether BIO_RW_BARRIER is defined" >&5 +$as_echo_n "checking whether BIO_RW_BARRIER is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = BIO_RW_BARRIER; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_RW_BARRIER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether BIO_RW_DISCARD is defined" >&5 +$as_echo_n "checking whether BIO_RW_DISCARD is defined... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int flags __attribute__ ((unused)); + flags = BIO_RW_DISCARD; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_RW_DISCARD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_flush() is available" >&5 +$as_echo_n "checking whether blk_queue_flush() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_flush(q, REQ_FLUSH); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_FLUSH 1" >>confdefs.h + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_flush() is GPL-only" >&5 +$as_echo_n "checking whether blk_queue_flush() is GPL-only... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_flush(q, REQ_FLUSH); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_FLUSH_GPL_ONLY 1" >>confdefs.h + + + + +fi + rm -Rf build + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_write_cache() exists" >&5 +$as_echo_n "checking whether blk_queue_write_cache() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + +int +main (void) +{ + + struct request_queue *q = NULL; + blk_queue_write_cache(q, true, true); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_WRITE_CACHE 1" >>confdefs.h + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_write_cache() is GPL-only" >&5 +$as_echo_n "checking whether blk_queue_write_cache() is GPL-only... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct request_queue *q = NULL; + blk_queue_write_cache(q, true, true); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY 1" >>confdefs.h + + + + +fi + rm -Rf build + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_max_hw_sectors() is available" >&5 +$as_echo_n "checking whether blk_queue_max_hw_sectors() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_max_hw_sectors(q, BLK_SAFE_MAX_SECTORS); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_MAX_HW_SECTORS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether blk_queue_max_segments() is available" >&5 +$as_echo_n "checking whether blk_queue_max_segments() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct request_queue *q = NULL; + (void) blk_queue_max_segments(q, BLK_MAX_SEGMENTS); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_MAX_SEGMENTS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the BIO_RW_UNPLUG enum is available" >&5 +$as_echo_n "checking whether the BIO_RW_UNPLUG enum is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + extern enum bio_rw_flags rw; + + rw = BIO_RW_UNPLUG; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_HAVE_BIO_RW_UNPLUG 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct blk_plug is available" >&5 +$as_echo_n "checking whether struct blk_plug is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct blk_plug plug; + + blk_start_plug(&plug); + blk_finish_plug(&plug); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BLK_QUEUE_HAVE_BLK_PLUG 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether get_disk_ro() is available" >&5 +$as_echo_n "checking whether get_disk_ro() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct gendisk *disk = NULL; + (void) get_disk_ro(disk); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_DISK_RO 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether get_gendisk() is available" >&5 +$as_echo_n "checking whether get_gendisk() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + get_gendisk(0, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]get_gendisk[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in block/genhd.c; do + grep -q -E "EXPORT_SYMBOL.*(get_gendisk)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_GENDISK 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bio_set_op_attrs is available" >&5 +$as_echo_n "checking whether bio_set_op_attrs is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct bio *bio __attribute__ ((unused)) = NULL; + + bio_set_op_attrs(bio, 0, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_BIO_SET_OP_ATTRS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic_readlink is global" >&5 +$as_echo_n "checking whether generic_readlink is global... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + int i __attribute__ ((unused)); + + i = generic_readlink(NULL, NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_READLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ql->discard_granularity is available" >&5 +$as_echo_n "checking whether ql->discard_granularity is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct queue_limits ql __attribute__ ((unused)); + + ql.discard_granularity = 0; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_DISCARD_GRANULARITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block uses const struct xattr_handler" >&5 +$as_echo_n "checking whether super_block uses const struct xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + const struct xattr_handler xattr_test_handler = { + .prefix = "test", + .get = NULL, + .set = NULL, + }; + + const struct xattr_handler *xattr_handlers[] = { + &xattr_test_handler, + }; + + const struct super_block sb __attribute__ ((unused)) = { + .s_xattr = xattr_handlers, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CONST_XATTR_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler has name" >&5 +$as_echo_n "checking whether xattr_handler has name... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .name = XATTR_NAME_POSIX_ACL_ACCESS, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_HANDLER_NAME 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants both dentry and inode" >&5 +$as_echo_n "checking whether xattr_handler->get() wants both dentry and inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_DENTRY_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants xattr_handler" >&5 +$as_echo_n "checking whether xattr_handler->get() wants xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(const struct xattr_handler *handler, + struct dentry *dentry, const char *name, + void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants dentry" >&5 +$as_echo_n "checking whether xattr_handler->get() wants dentry... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int handler_flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->get() wants inode" >&5 +$as_echo_n "checking whether xattr_handler->get() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int get(struct inode *ip, const char *name, + void *buffer, size_t size) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .get = get, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_GET_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants both dentry and inode" >&5 +$as_echo_n "checking whether xattr_handler->set() wants both dentry and inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, const void *buffer, + size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_DENTRY_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants xattr_handler" >&5 +$as_echo_n "checking whether xattr_handler->set() wants xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(const struct xattr_handler *handler, + struct dentry *dentry, const char *name, + const void *buffer, size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants dentry" >&5 +$as_echo_n "checking whether xattr_handler->set() wants dentry... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(struct dentry *dentry, const char *name, + const void *buffer, size_t size, int flags, + int handler_flags) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->set() wants inode" >&5 +$as_echo_n "checking whether xattr_handler->set() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set(struct inode *ip, const char *name, + const void *buffer, size_t size, int flags) + { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .set = set, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_SET_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants simple" >&5 +$as_echo_n "checking whether xattr_handler->list() wants simple... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + bool list(struct dentry *dentry) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_SIMPLE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants xattr_handler" >&5 +$as_echo_n "checking whether xattr_handler->list() wants xattr_handler... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + size_t list(const struct xattr_handler *handler, + struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_HANDLER 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants dentry" >&5 +$as_echo_n "checking whether xattr_handler->list() wants dentry... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + size_t list(struct dentry *dentry, + char *list, size_t list_size, + const char *name, size_t name_len, + int handler_flags) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether xattr_handler->list() wants inode" >&5 +$as_echo_n "checking whether xattr_handler->list() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + size_t list(struct inode *ip, char *lst, + size_t list_size, const char *name, + size_t name_len) { return 0; } + static const struct xattr_handler + xops __attribute__ ((unused)) = { + .list = list, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_XATTR_LIST_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether inode_owner_or_capable() exists" >&5 +$as_echo_n "checking whether inode_owner_or_capable() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip = NULL; + (void) inode_owner_or_capable(ip); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_OWNER_OR_CAPABLE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether is_owner_or_cap() exists" >&5 +$as_echo_n "checking whether is_owner_or_cap() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + struct inode *ip = NULL; + (void) is_owner_or_cap(ip); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_IS_OWNER_OR_CAP 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_from_xattr() needs user_ns" >&5 +$as_echo_n "checking whether posix_acl_from_xattr() needs user_ns... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + +int +main (void) +{ + + posix_acl_from_xattr(&init_user_ns, NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_FROM_XATTR_USERNS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_release() is available" >&5 +$as_echo_n "checking whether posix_acl_release() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + +int +main (void) +{ + + struct posix_acl* tmp = posix_acl_alloc(1, 0); + posix_acl_release(tmp); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_RELEASE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_release() is GPL-only" >&5 +$as_echo_n "checking whether posix_acl_release() is GPL-only... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct posix_acl* tmp = posix_acl_alloc(1, 0); + posix_acl_release(tmp); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_RELEASE_GPL_ONLY 1" >>confdefs.h + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether set_cached_acl() is usable" >&5 +$as_echo_n "checking whether set_cached_acl() is usable... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + #include + #include + + MODULE_LICENSE("$ZFS_META_LICENSE"); + +int +main (void) +{ + + struct inode *ip = NULL; + struct posix_acl *acl = posix_acl_alloc(1, 0); + set_cached_acl(ip, ACL_TYPE_ACCESS, acl); + forget_cached_acl(ip, ACL_TYPE_ACCESS); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_CACHED_ACL_USABLE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_chmod exists" >&5 +$as_echo_n "checking whether posix_acl_chmod exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + posix_acl_chmod(NULL, 0, 0) + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_CHMOD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __posix_acl_chmod exists" >&5 +$as_echo_n "checking whether __posix_acl_chmod exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + __posix_acl_chmod(NULL, 0, 0) + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE___POSIX_ACL_CHMOD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_equiv_mode() wants umode_t" >&5 +$as_echo_n "checking whether posix_acl_equiv_mode() wants umode_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + umode_t tmp; + posix_acl_equiv_mode(NULL,&tmp); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether posix_acl_valid() wants user namespace" >&5 +$as_echo_n "checking whether posix_acl_valid() wants user namespace... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + struct user_namespace *user_ns = NULL; + const struct posix_acl *acl = NULL; + int error; + + error = posix_acl_valid(user_ns, acl); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_POSIX_ACL_VALID_WITH_NS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->permission() exists" >&5 +$as_echo_n "checking whether iops->permission() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int permission_fn(struct inode *inode, int mask) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .permission = permission_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PERMISSION 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->permission() wants nameidata" >&5 +$as_echo_n "checking whether iops->permission() wants nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int permission_fn(struct inode *inode, int mask, + struct nameidata *nd) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .permission = permission_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PERMISSION 1" >>confdefs.h + + +$as_echo "#define HAVE_PERMISSION_WITH_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->check_acl() exists" >&5 +$as_echo_n "checking whether iops->check_acl() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int check_acl_fn(struct inode *inode, int mask) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .check_acl = check_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CHECK_ACL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->check_acl() wants flags" >&5 +$as_echo_n "checking whether iops->check_acl() wants flags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int check_acl_fn(struct inode *inode, int mask, + unsigned int flags) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .check_acl = check_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CHECK_ACL 1" >>confdefs.h + + +$as_echo "#define HAVE_CHECK_ACL_WITH_FLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->get_acl() exists" >&5 +$as_echo_n "checking whether iops->get_acl() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + struct posix_acl *get_acl_fn(struct inode *inode, int type) + { return NULL; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .get_acl = get_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_ACL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->set_acl() exists" >&5 +$as_echo_n "checking whether iops->set_acl() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int set_acl_fn(struct inode *inode, struct posix_acl *acl, int type) + { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .set_acl = set_acl_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_ACL 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether uncached_acl_sentinel() exists" >&5 +$as_echo_n "checking whether uncached_acl_sentinel() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + void *sentinel __attribute__ ((unused)) = uncached_acl_sentinel(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_KERNEL_GET_ACL_HANDLE_CACHE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->show_options() wants dentry" >&5 +$as_echo_n "checking whether sops->show_options() wants dentry... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int show_options (struct seq_file * x, struct dentry * y) { return 0; }; + static struct super_operations sops __attribute__ ((unused)) = { + .show_options = show_options, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SHOW_OPTIONS_WITH_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether file_inode() is available" >&5 +$as_echo_n "checking whether file_inode() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct file *f = NULL; + file_inode(f); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fsync() wants" >&5 +$as_echo_n "checking whether fops->fsync() wants... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int test_fsync(struct file *f, struct dentry *dentry, int x) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: dentry" >&5 +$as_echo "dentry" >&6; } + +$as_echo "#define HAVE_FSYNC_WITH_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + + +fi + rm -Rf build + + + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int test_fsync(struct file *f, int x) { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no dentry" >&5 +$as_echo "no dentry" >&6; } + +$as_echo "#define HAVE_FSYNC_WITHOUT_DENTRY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + + +fi + rm -Rf build + + + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int test_fsync(struct file *f, loff_t a, loff_t b, int c) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: range" >&5 +$as_echo "range" >&6; } + +$as_echo "#define HAVE_FSYNC_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->evict_inode() exists" >&5 +$as_echo_n "checking whether sops->evict_inode() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void evict_inode (struct inode * t) { return; } + static struct super_operations sops __attribute__ ((unused)) = { + .evict_inode = evict_inode, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_EVICT_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->dirty_inode() wants flags" >&5 +$as_echo_n "checking whether sops->dirty_inode() wants flags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void dirty_inode(struct inode *a, int b) { return; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .dirty_inode = dirty_inode, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_DIRTY_INODE_WITH_FLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->nr_cached_objects() exists" >&5 +$as_echo_n "checking whether sops->nr_cached_objects() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int nr_cached_objects(struct super_block *sb) { return 0; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .nr_cached_objects = nr_cached_objects, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_NR_CACHED_OBJECTS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sops->free_cached_objects() exists" >&5 +$as_echo_n "checking whether sops->free_cached_objects() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void free_cached_objects(struct super_block *sb, int x) + { return; } + + static const struct super_operations + sops __attribute__ ((unused)) = { + .free_cached_objects = free_cached_objects, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FREE_CACHED_OBJECTS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->fallocate() exists" >&5 +$as_echo_n "checking whether fops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + long test_fallocate(struct file *file, int mode, + loff_t offset, loff_t len) { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fallocate = test_fallocate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->fallocate() exists" >&5 +$as_echo_n "checking whether iops->fallocate() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + long test_fallocate(struct inode *inode, int mode, + loff_t offset, loff_t len) { return 0; } + + static const struct inode_operations + fops __attribute__ ((unused)) = { + .fallocate = test_fallocate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_FALLOCATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->aio_fsync() exists" >&5 +$as_echo_n "checking whether fops->aio_fsync() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + static const struct file_operations + fops __attribute__ ((unused)) = { + .aio_fsync = NULL, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FILE_AIO_FSYNC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->create()/mkdir()/mknod() take umode_t" >&5 +$as_echo_n "checking whether iops->create()/mkdir()/mknod() take umode_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int mkdir(struct inode *inode, struct dentry *dentry, + umode_t umode) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .mkdir = mkdir, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_MKDIR_UMODE_T 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->lookup() passes nameidata" >&5 +$as_echo_n "checking whether iops->lookup() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + struct dentry *inode_lookup(struct inode *inode, + struct dentry *dentry, struct nameidata *nidata) + { return NULL; } + + static const struct inode_operations iops + __attribute__ ((unused)) = { + .lookup = inode_lookup, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_LOOKUP_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->create() passes nameidata" >&5 +$as_echo_n "checking whether iops->create() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + #ifdef HAVE_MKDIR_UMODE_T + int inode_create(struct inode *inode ,struct dentry *dentry, + umode_t umode, struct nameidata *nidata) { return 0; } + #else + int inode_create(struct inode *inode,struct dentry *dentry, + int umode, struct nameidata * nidata) { return 0; } + #endif + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .create = inode_create, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CREATE_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->get_link() passes delayed" >&5 +$as_echo_n "checking whether iops->get_link() passes delayed... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + const char *get_link(struct dentry *de, struct inode *ip, + struct delayed_call *done) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .get_link = get_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_LINK_DELAYED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->get_link() passes cookie" >&5 +$as_echo_n "checking whether iops->get_link() passes cookie... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + const char *get_link(struct dentry *de, struct + inode *ip, void **cookie) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .get_link = get_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GET_LINK_COOKIE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->follow_link() passes cookie" >&5 +$as_echo_n "checking whether iops->follow_link() passes cookie... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + const char *follow_link(struct dentry *de, + void **cookie) { return "symlink"; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .follow_link = follow_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FOLLOW_LINK_COOKIE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->follow_link() passes nameidata" >&5 +$as_echo_n "checking whether iops->follow_link() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void *follow_link(struct dentry *de, struct + nameidata *nd) { return (void *)NULL; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .follow_link = follow_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FOLLOW_LINK_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #if !defined(HAVE_GET_LINK_DELAYED) + #error "Expecting get_link() delayed done" + #endif + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + +$as_echo "#define HAVE_PUT_LINK_DELAYED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->put_link() passes cookie" >&5 +$as_echo_n "checking whether iops->put_link() passes cookie... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void put_link(struct inode *ip, void *cookie) + { return; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .put_link = put_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PUT_LINK_COOKIE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->put_link() passes nameidata" >&5 +$as_echo_n "checking whether iops->put_link() passes nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void put_link(struct dentry *de, struct + nameidata *nd, void *ptr) { return; } + static struct inode_operations + iops __attribute__ ((unused)) = { + .put_link = put_link, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PUT_LINK_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; please file a bug report" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->truncate_range() exists" >&5 +$as_echo_n "checking whether iops->truncate_range() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + void truncate_range(struct inode *inode, loff_t start, + loff_t end) { return; } + static struct inode_operations iops __attribute__ ((unused)) = { + .truncate_range = truncate_range, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INODE_TRUNCATE_RANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether dops->d_automount() exists" >&5 +$as_echo_n "checking whether dops->d_automount() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct vfsmount *d_automount(struct path *p) { return NULL; } + struct dentry_operations dops __attribute__ ((unused)) = { + .d_automount = d_automount, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_AUTOMOUNT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether eops->encode_fh() wants inode" >&5 +$as_echo_n "checking whether eops->encode_fh() wants inode... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int encode_fh(struct inode *inode, __u32 *fh, int *max_len, + struct inode *parent) { return 0; } + static struct export_operations eops __attribute__ ((unused))={ + .encode_fh = encode_fh, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_ENCODE_FH_WITH_INODE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether eops->commit_metadata() exists" >&5 +$as_echo_n "checking whether eops->commit_metadata() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int commit_metadata(struct inode *inode) { return 0; } + static struct export_operations eops __attribute__ ((unused))={ + .commit_metadata = commit_metadata, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_COMMIT_METADATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether clear_inode() is available" >&5 +$as_echo_n "checking whether clear_inode() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + clear_inode(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]clear_inode[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/inode.c; do + grep -q -E "EXPORT_SYMBOL.*(clear_inode)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CLEAR_INODE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether setattr_prepare() is available" >&5 +$as_echo_n "checking whether setattr_prepare() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct dentry *dentry = NULL; + struct iattr *attr = NULL; + int error; + + error = setattr_prepare(dentry, attr); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]setattr_prepare[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/attr.c; do + grep -q -E "EXPORT_SYMBOL.*(setattr_prepare)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SETATTR_PREPARE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether insert_inode_locked() is available" >&5 +$as_echo_n "checking whether insert_inode_locked() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + insert_inode_locked(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]insert_inode_locked[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/inode.c; do + grep -q -E "EXPORT_SYMBOL.*(insert_inode_locked)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_INSERT_INODE_LOCKED 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_make_root() is available" >&5 +$as_echo_n "checking whether d_make_root() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + d_make_root(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_make_root[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_make_root)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_MAKE_ROOT 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_obtain_alias() is available" >&5 +$as_echo_n "checking whether d_obtain_alias() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + d_obtain_alias(NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_obtain_alias[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_obtain_alias)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_OBTAIN_ALIAS 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_prune_aliases() is available" >&5 +$as_echo_n "checking whether d_prune_aliases() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip = NULL; + d_prune_aliases(ip); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_prune_aliases[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_prune_aliases)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_PRUNE_ALIASES 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether d_set_d_op() is available" >&5 +$as_echo_n "checking whether d_set_d_op() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + d_set_d_op(NULL, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]d_set_d_op[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/dcache.c; do + grep -q -E "EXPORT_SYMBOL.*(d_set_d_op)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_SET_D_OP 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether dops->d_revalidate() takes struct nameidata" >&5 +$as_echo_n "checking whether dops->d_revalidate() takes struct nameidata... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int revalidate (struct dentry *dentry, + struct nameidata *nidata) { return 0; } + + static const struct dentry_operations + dops __attribute__ ((unused)) = { + .d_revalidate = revalidate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_D_REVALIDATE_NAMEIDATA 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether dentry uses const struct dentry_operations" >&5 +$as_echo_n "checking whether dentry uses const struct dentry_operations... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + const struct dentry_operations test_d_op = { + .d_revalidate = NULL, + }; + +int +main (void) +{ + + struct dentry d __attribute__ ((unused)); + + d.d_op = &test_d_op; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CONST_DENTRY_OPERATIONS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether check_disk_size_change() is available" >&5 +$as_echo_n "checking whether check_disk_size_change() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + check_disk_size_change(NULL, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]check_disk_size_change[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/block_dev.c; do + grep -q -E "EXPORT_SYMBOL.*(check_disk_size_change)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CHECK_DISK_SIZE_CHANGE 1" >>confdefs.h + + + fi + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether truncate_setsize() is available" >&5 +$as_echo_n "checking whether truncate_setsize() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + truncate_setsize(NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]truncate_setsize[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/truncate.c; do + grep -q -E "EXPORT_SYMBOL.*(truncate_setsize)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_TRUNCATE_SETSIZE 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether security_inode_init_security wants 6 args" >&5 +$as_echo_n "checking whether security_inode_init_security wants 6 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip __attribute__ ((unused)) = NULL; + struct inode *dip __attribute__ ((unused)) = NULL; + const struct qstr *str __attribute__ ((unused)) = NULL; + char *name __attribute__ ((unused)) = NULL; + void *value __attribute__ ((unused)) = NULL; + size_t len __attribute__ ((unused)) = 0; + + security_inode_init_security(ip, dip, str, &name, &value, &len); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether security_inode_init_security wants callback" >&5 +$as_echo_n "checking whether security_inode_init_security wants callback... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode *ip __attribute__ ((unused)) = NULL; + struct inode *dip __attribute__ ((unused)) = NULL; + const struct qstr *str __attribute__ ((unused)) = NULL; + initxattrs func __attribute__ ((unused)) = NULL; + + security_inode_init_security(ip, dip, str, func, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_CALLBACK_SECURITY_INODE_INIT_SECURITY 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mount_nodev() is available" >&5 +$as_echo_n "checking whether mount_nodev() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + mount_nodev(NULL, 0, NULL, NULL); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]mount_nodev[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/super.c; do + grep -q -E "EXPORT_SYMBOL.*(mount_nodev)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_MOUNT_NODEV 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block has s_shrink" >&5 +$as_echo_n "checking whether super_block has s_shrink... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int shrink(struct shrinker *s, struct shrink_control *sc) + { return 0; } + + static const struct super_block + sb __attribute__ ((unused)) = { + .s_shrink.shrink = shrink, + .s_shrink.seeks = DEFAULT_SEEKS, + .s_shrink.batch = 0, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SHRINK 1" >>confdefs.h + + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether shrink_control has nid" >&5 +$as_echo_n "checking whether shrink_control has nid... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct shrink_control sc __attribute__ ((unused)); + unsigned long scnidsize __attribute__ ((unused)) = + sizeof(sc.nid); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define SHRINK_CONTROL_HAS_NID 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block has s_instances list_head" >&5 +$as_echo_n "checking whether super_block has s_instances list_head... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct super_block sb __attribute__ ((unused)); + + INIT_LIST_HEAD(&sb.s_instances); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_S_INSTANCES_LIST_HEAD 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether super_block has s_d_op" >&5 +$as_echo_n "checking whether super_block has s_d_op... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct super_block sb __attribute__ ((unused)); + sb.s_d_op = NULL; + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_S_D_OP 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdi_setup_and_register() wants 2 args" >&5 +$as_echo_n "checking whether bdi_setup_and_register() wants 2 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct backing_dev_info bdi; + +int +main (void) +{ + + char *name = "bdi"; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdi_setup_and_register() wants 3 args" >&5 +$as_echo_n "checking whether bdi_setup_and_register() wants 3 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct backing_dev_info bdi; + +int +main (void) +{ + + char *name = "bdi"; + unsigned int cap = BDI_CAP_MAP_COPY; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name, cap); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/backing-dev.c; do + grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_BDI_SETUP_AND_REGISTER 1" >>confdefs.h + + + fi + fi + + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/backing-dev.c; do + grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bdi_setup_and_register() wants 3 args" >&5 +$as_echo_n "checking whether bdi_setup_and_register() wants 3 args... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + struct backing_dev_info bdi; + +int +main (void) +{ + + char *name = "bdi"; + unsigned int cap = BDI_CAP_MAP_COPY; + int error __attribute__((unused)) = + bdi_setup_and_register(&bdi, name, cap); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in mm/backing-dev.c; do + grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_3ARGS_BDI_SETUP_AND_REGISTER 1" >>confdefs.h + + + fi + fi + + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_2ARGS_BDI_SETUP_AND_REGISTER 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether set_nlink() is available" >&5 +$as_echo_n "checking whether set_nlink() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct inode node; + unsigned int link = 0; + (void) set_nlink(&node, link); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_SET_NLINK 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether elevator_change() is available" >&5 +$as_echo_n "checking whether elevator_change() is available... " >&6; } + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + +int +main (void) +{ + + int ret; + struct request_queue *q = NULL; + char *elevator = NULL; + ret = elevator_change(q, elevator); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_ELEVATOR_CHANGE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + EXTRA_KCFLAGS="$tmp_flags" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sget() wants 5 args" >&5 +$as_echo_n "checking whether sget() wants 5 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct file_system_type *type = NULL; + int (*test)(struct super_block *,void *) = NULL; + int (*set)(struct super_block *,void *) = NULL; + int flags = 0; + void *data = NULL; + (void) sget(type, test, set, flags, data); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_5ARG_SGET 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lseek_execute() is available" >&5 +$as_echo_n "checking whether lseek_execute() is available... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct file *fp __attribute__ ((unused)) = NULL; + struct inode *ip __attribute__ ((unused)) = NULL; + loff_t offset __attribute__ ((unused)) = 0; + loff_t maxsize __attribute__ ((unused)) = 0; + + lseek_execute(fp, ip, offset, maxsize); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]lseek_exclusive[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in fs/read_write.c; do + grep -q -E "EXPORT_SYMBOL.*(lseek_exclusive)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_LSEEK_EXECUTE 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->iterate_shared() is available" >&5 +$as_echo_n "checking whether fops->iterate_shared() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int iterate(struct file *filp, struct dir_context * context) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .iterate_shared = iterate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_ITERATE_SHARED 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->iterate() is available" >&5 +$as_echo_n "checking whether fops->iterate() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int iterate(struct file *filp, struct dir_context * context) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .iterate = iterate, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_ITERATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->readdir() is available" >&5 +$as_echo_n "checking whether fops->readdir() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int readdir(struct file *filp, void *entry, filldir_t func) + { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .readdir = readdir, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_READDIR 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no; file a bug report with ZFSOnLinux" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether fops->read/write_iter() are available" >&5 +$as_echo_n "checking whether fops->read/write_iter() are available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to) + { return 0; } + ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .read_iter = test_read, + .write_iter = test_write, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_VFS_RW_ITERATE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic_write_checks() takes kiocb" >&5 +$as_echo_n "checking whether generic_write_checks() takes kiocb... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + +int +main (void) +{ + + struct kiocb *iocb = NULL; + struct iov_iter *iov = NULL; + generic_write_checks(iocb, iov); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_WRITE_CHECKS_KIOCB 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether kmap_atomic wants 1 args" >&5 +$as_echo_n "checking whether kmap_atomic wants 1 args... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct page page; + kmap_atomic(&page); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_1ARG_KMAP_ATOMIC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether follow_down_one() is available" >&5 +$as_echo_n "checking whether follow_down_one() is available... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + +int +main (void) +{ + + struct path *p = NULL; + follow_down_one(p); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_FOLLOW_DOWN_ONE 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether make_request_fn() returns int" >&5 +$as_echo_n "checking whether make_request_fn() returns int... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + int make_request(struct request_queue *q, struct bio *bio) + { + return (0); + } + +int +main (void) +{ + + blk_queue_make_request(NULL, &make_request); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define MAKE_REQUEST_FN_RET int" >>confdefs.h + + +$as_echo "#define HAVE_MAKE_REQUEST_FN_RET_INT 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether make_request_fn() returns void" >&5 +$as_echo_n "checking whether make_request_fn() returns void... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void make_request(struct request_queue *q, struct bio *bio) + { + return; + } + +int +main (void) +{ + + blk_queue_make_request(NULL, &make_request); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define MAKE_REQUEST_FN_RET void" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether make_request_fn() returns blk_qc_t" >&5 +$as_echo_n "checking whether make_request_fn() returns blk_qc_t... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + blk_qc_t make_request(struct request_queue *q, struct bio *bio) + { + return (BLK_QC_T_NONE); + } + +int +main (void) +{ + + blk_queue_make_request(NULL, &make_request); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define MAKE_REQUEST_FN_RET blk_qc_t" >>confdefs.h + + +$as_echo "#define HAVE_MAKE_REQUEST_FN_RET_QC 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + as_fn_error $? "no - Please file a bug report at + https://github.com/zfsonlinux/zfs/issues/new" "$LINENO" 5 + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic IO accounting symbols are avaliable" >&5 +$as_echo_n "checking whether generic IO accounting symbols are avaliable... " >&6; } + + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + + void (*generic_start_io_acct_f)(int, unsigned long, + struct hd_struct *) = &generic_start_io_acct; + void (*generic_end_io_acct_f)(int, struct hd_struct *, + unsigned long) = &generic_end_io_acct; + +int +main (void) +{ + + generic_start_io_acct(0, 0, NULL); + generic_end_io_acct(0, NULL, 0); + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + rc=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + rc=1 + + +fi + rm -Rf build + + + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else + if test "x$enable_linux_builtin" != xyes; then + + grep -q -E '[[:space:]]generic_start_io_acct[[:space:]]' \ + $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null + rc=$? + if test $rc -ne 0; then + export=0 + for file in block/bio.c; do + grep -q -E "EXPORT_SYMBOL.*(generic_start_io_acct)" \ + "$LINUX/$file" 2>/dev/null + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then : + rc=1 + else : + rc=0 + fi + else : + rc=0 + fi + + fi + if test $rc -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + else : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_IO_ACCT 1" >>confdefs.h + + + fi + fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether iops->rename() wants flags" >&5 +$as_echo_n "checking whether iops->rename() wants flags... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + int rename_fn(struct inode *sip, struct dentry *sdp, + struct inode *tip, struct dentry *tdp, + unsigned int flags) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .rename = rename_fn, + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_RENAME_WANTS_FLAGS 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether generic_setxattr() exists" >&5 +$as_echo_n "checking whether generic_setxattr() exists... " >&6; } + + +cat confdefs.h - <<_ACEOF >conftest.c + + + #include + #include + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .setxattr = generic_setxattr + }; + +int +main (void) +{ + + + ; + return 0; +} + +_ACEOF + + + +cat - <<_ACEOF >conftest.h + +_ACEOF + + + rm -Rf build && mkdir -p build && touch build/conftest.mod.c + echo "obj-m := conftest.o" >build/Makefile + modpost_flag='' + test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage + if { ac_try='cp conftest.c conftest.h build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null && { ac_try='test -s build/conftest.o' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_GENERIC_SETXATTR 1" >>confdefs.h + + +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + + +fi + rm -Rf build + + + + + if test "$LINUX_OBJ" != "$LINUX"; then : + + KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" + +fi + + + + KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE" + KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_BOOL_COMPARE" + KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL" + KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\"" + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dkms.conf file" >&5 +$as_echo_n "checking for dkms.conf file... " >&6; } + if test -e dkms.conf; then : + + as_fn_error $? " + *** ZFS should not be manually built in the DKMS source tree. + *** Remove all ZFS packages before compiling the ZoL sources. + *** Running \"make install\" breaks ZFS packages." "$LINENO" 5 + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +$as_echo "not found" >&6; } + +fi + + + +# Check whether --with-mounthelperdir was given. +if test "${with_mounthelperdir+set}" = set; then : + withval=$with_mounthelperdir; mounthelperdir=$withval +else + mounthelperdir=/sbin +fi + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for udev directories" >&5 +$as_echo_n "checking for udev directories... " >&6; } + +# Check whether --with-udevdir was given. +if test "${with_udevdir+set}" = set; then : + withval=$with_udevdir; udevdir=$withval +else + udevdir=check +fi + + + if test "x$udevdir" = xcheck; then : + + path1=/lib/udev + path2=/usr/lib/udev + default=$path2 + + if test -d "$path1"; then : + udevdir="$path1" +else + + if test -d "$path2"; then : + udevdir="$path2" +else + udevdir="$default" +fi + +fi + +fi + + +# Check whether --with-udevruledir was given. +if test "${with_udevruledir+set}" = set; then : + withval=$with_udevruledir; udevruledir=$withval +else + udevruledir="${udevdir}/rules.d" +fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $udevdir;$udevruledir" >&5 +$as_echo "$udevdir;$udevruledir" >&6; } + + + # Check whether --enable-systemd was given. +if test "${enable_systemd+set}" = set; then : + enableval=$enable_systemd; +else + enable_systemd=yes +fi + + + +# Check whether --with-systemdunitdir was given. +if test "${with_systemdunitdir+set}" = set; then : + withval=$with_systemdunitdir; systemdunitdir=$withval +else + systemdunitdir=/usr/lib/systemd/system +fi + + + +# Check whether --with-systemdpresetdir was given. +if test "${with_systemdpresetdir+set}" = set; then : + withval=$with_systemdpresetdir; systemdpresetdir=$withval +else + systemdpresetdir=/usr/lib/systemd/system-preset +fi + + + +# Check whether --with-systemdmodulesloaddir was given. +if test "${with_systemdmodulesloaddir+set}" = set; then : + withval=$with_systemdmodulesloaddir; systemdmoduleloaddir=$withval +else + systemdmodulesloaddir=/usr/lib/modules-load.d +fi + + + + if test "x$enable_systemd" = xyes; then : + + ZFS_INIT_SYSTEMD=systemd + ZFS_MODULE_LOAD=modules-load.d + modulesloaddir=$systemdmodulesloaddir + +fi + + + + + + + + + # Check whether --enable-sysvinit was given. +if test "${enable_sysvinit+set}" = set; then : + enableval=$enable_sysvinit; +else + enable_sysvinit=yes +fi + + + if test "x$enable_sysvinit" = xyes; then : + ZFS_INIT_SYSV=init.d +fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dracut directory" >&5 +$as_echo_n "checking for dracut directory... " >&6; } + +# Check whether --with-dracutdir was given. +if test "${with_dracutdir+set}" = set; then : + withval=$with_dracutdir; dracutdir=$withval +else + dracutdir=check +fi + + + if test "x$dracutdir" = xcheck; then : + + path1=/usr/share/dracut + path2=/usr/lib/dracut + default=$path2 + + if test -d "$path1"; then : + dracutdir="$path1" +else + + if test -d "$path2"; then : + dracutdir="$path2" +else + dracutdir="$default" +fi + +fi + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dracutdir" >&5 +$as_echo "$dracutdir" >&6; } + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for target asm dir" >&5 +$as_echo_n "checking for target asm dir... " >&6; } + TARGET_ARCH=`echo ${target_cpu} | sed -e s/i.86/i386/` + + case $TARGET_ARCH in + i386|x86_64) + TARGET_ASM_DIR=asm-${TARGET_ARCH} + ;; + *) + TARGET_ASM_DIR=asm-generic + ;; + esac + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $TARGET_ASM_DIR" >&5 +$as_echo "$TARGET_ASM_DIR" >&6; } + + + ZLIB= + + ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default" +if test "x$ac_cv_header_zlib_h" = xyes; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** zlib.h missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compress2 in -lz" >&5 +$as_echo_n "checking for compress2 in -lz... " >&6; } +if ${ac_cv_lib_z_compress2+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char compress2 (); +int +main () +{ +return compress2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_z_compress2=yes +else + ac_cv_lib_z_compress2=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_compress2" >&5 +$as_echo "$ac_cv_lib_z_compress2" >&6; } +if test "x$ac_cv_lib_z_compress2" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBZ 1 +_ACEOF + + LIBS="-lz $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** compress2() missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uncompress in -lz" >&5 +$as_echo_n "checking for uncompress in -lz... " >&6; } +if ${ac_cv_lib_z_uncompress+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char uncompress (); +int +main () +{ +return uncompress (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_z_uncompress=yes +else + ac_cv_lib_z_uncompress=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_uncompress" >&5 +$as_echo "$ac_cv_lib_z_uncompress" >&6; } +if test "x$ac_cv_lib_z_uncompress" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBZ 1 +_ACEOF + + LIBS="-lz $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uncompress() missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crc32 in -lz" >&5 +$as_echo_n "checking for crc32 in -lz... " >&6; } +if ${ac_cv_lib_z_crc32+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crc32 (); +int +main () +{ +return crc32 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_z_crc32=yes +else + ac_cv_lib_z_crc32=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_crc32" >&5 +$as_echo "$ac_cv_lib_z_crc32" >&6; } +if test "x$ac_cv_lib_z_crc32" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBZ 1 +_ACEOF + + LIBS="-lz $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** crc32() missing, zlib-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + ZLIB="-lz" + + +$as_echo "#define HAVE_ZLIB 1" >>confdefs.h + + + + LIBUUID= + + ac_fn_c_check_header_mongrel "$LINENO" "uuid/uuid.h" "ac_cv_header_uuid_uuid_h" "$ac_includes_default" +if test "x$ac_cv_header_uuid_uuid_h" = xyes; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uuid/uuid.h missing, libuuid-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate in -luuid" >&5 +$as_echo_n "checking for uuid_generate in -luuid... " >&6; } +if ${ac_cv_lib_uuid_uuid_generate+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-luuid $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char uuid_generate (); +int +main () +{ +return uuid_generate (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_uuid_uuid_generate=yes +else + ac_cv_lib_uuid_uuid_generate=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate" >&5 +$as_echo "$ac_cv_lib_uuid_uuid_generate" >&6; } +if test "x$ac_cv_lib_uuid_uuid_generate" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUUID 1 +_ACEOF + + LIBS="-luuid $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uuid_generate() missing, libuuid-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_is_null in -luuid" >&5 +$as_echo_n "checking for uuid_is_null in -luuid... " >&6; } +if ${ac_cv_lib_uuid_uuid_is_null+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-luuid $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char uuid_is_null (); +int +main () +{ +return uuid_is_null (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_uuid_uuid_is_null=yes +else + ac_cv_lib_uuid_uuid_is_null=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_is_null" >&5 +$as_echo "$ac_cv_lib_uuid_uuid_is_null" >&6; } +if test "x$ac_cv_lib_uuid_uuid_is_null" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUUID 1 +_ACEOF + + LIBS="-luuid $LIBS" + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? " + *** uuid_is_null() missing, libuuid-devel package required +See \`config.log' for more details" "$LINENO" 5; } +fi + + + LIBUUID="-luuid" + + +$as_echo "#define HAVE_LIBUUID 1" >>confdefs.h + + + + +# Check whether --with-blkid was given. +if test "${with_blkid+set}" = set; then : + withval=$with_blkid; +else + with_blkid=check +fi + + + LIBBLKID= + if test "x$with_blkid" = xyes; then : + + LIBBLKID="-lblkid" + + +$as_echo "#define HAVE_LIBBLKID 1" >>confdefs.h + + +fi + + if test "x$with_blkid" = xcheck; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for blkid_get_cache in -lblkid" >&5 +$as_echo_n "checking for blkid_get_cache in -lblkid... " >&6; } +if ${ac_cv_lib_blkid_blkid_get_cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lblkid $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char blkid_get_cache (); +int +main () +{ +return blkid_get_cache (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_blkid_blkid_get_cache=yes +else + ac_cv_lib_blkid_blkid_get_cache=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_blkid_blkid_get_cache" >&5 +$as_echo "$ac_cv_lib_blkid_blkid_get_cache" >&6; } +if test "x$ac_cv_lib_blkid_blkid_get_cache" = xyes; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for blkid zfs support" >&5 +$as_echo_n "checking for blkid zfs support... " >&6; } + + ZFS_DEV=`mktemp` + truncate -s 64M $ZFS_DEV + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=128 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=132 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=136 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + echo -en "\x0c\xb1\xba\0\0\0\0\0" | \ + dd of=$ZFS_DEV bs=1k count=8 \ + seek=140 conv=notrunc &>/dev/null \ + >/dev/null 2>/dev/null + + saved_LIBS="$LIBS" + LIBS="-lblkid" + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + #include + #include + +int +main () +{ + + blkid_cache cache; + char *value; + + if (blkid_get_cache(&cache, NULL) < 0) + return 1; + + value = blkid_get_tag_value(cache, "TYPE", + "$ZFS_DEV"); + if (!value) { + blkid_put_cache(cache); + return 2; + } + + if (strcmp(value, "zfs_member")) { + free(value); + blkid_put_cache(cache); + return 0; + } + + free(value); + blkid_put_cache(cache); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + rm -f $ZFS_DEV + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + LIBBLKID="-lblkid" + + +$as_echo "#define HAVE_LIBBLKID 1" >>confdefs.h + + +else + + rm -f $ZFS_DEV + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + if test "x$with_blkid" != xcheck; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "--with-blkid given but unavailable +See \`config.log' for more details" "$LINENO" 5; } +fi + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + + LIBS="$saved_LIBS" + +else + + if test "x$with_blkid" != xcheck; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "--with-blkid given but unavailable +See \`config.log' for more details" "$LINENO" 5; } +fi + + +fi + + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wframe-larger-than= support" >&5 +$as_echo_n "checking for -Wframe-larger-than= support... " >&6; } + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wframe-larger-than=1024" + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + FRAME_LARGER_THAN=-Wframe-larger-than=1024 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + FRAME_LARGER_THAN= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + CFLAGS="$saved_flags" + + + + if test "x$runstatedir" = x; then + runstatedir='${localstatedir}/run' + + fi + + for ac_func in mlockall +do : + ac_fn_c_check_func "$LINENO" "mlockall" "ac_cv_func_mlockall" +if test "x$ac_cv_func_mlockall" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_MLOCKALL 1 +_ACEOF + +fi +done + + ;; + srpm) ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Error!" >&5 +$as_echo "Error!" >&6; } + as_fn_error $? "Bad value \"$ZFS_CONFIG\" for --with-config, + user kernel|user|all|srpm" "$LINENO" 5 ;; + esac + + if test "$ZFS_CONFIG" = user -o "$ZFS_CONFIG" = all; then + CONFIG_USER_TRUE= + CONFIG_USER_FALSE='#' +else + CONFIG_USER_TRUE='#' + CONFIG_USER_FALSE= +fi + + if test "$ZFS_CONFIG" = kernel -o "$ZFS_CONFIG" = all && + test "x$enable_linux_builtin" != xyes ; then + CONFIG_KERNEL_TRUE= + CONFIG_KERNEL_FALSE='#' +else + CONFIG_KERNEL_TRUE='#' + CONFIG_KERNEL_FALSE= +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether debugging is enabled" >&5 +$as_echo_n "checking whether debugging is enabled... " >&6; } + # Check whether --enable-debug was given. +if test "${enable_debug+set}" = set; then : + enableval=$enable_debug; +else + enable_debug=no +fi + + + if test "x$enable_debug" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror" + HOSTCFLAGS="${HOSTCFLAGS} -DDEBUG -Werror" + DEBUG_CFLAGS="-DDEBUG -Werror" + DEBUG_STACKFLAGS="-fstack-check" + DEBUG_ZFS="_with_debug" + +$as_echo "#define ZFS_DEBUG 1" >>confdefs.h + + +else + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG " + HOSTCFLAGS="${HOSTCFLAGS} -DNDEBUG " + DEBUG_CFLAGS="-DNDEBUG" + DEBUG_STACKFLAGS="" + DEBUG_ZFS="_without_debug" + +fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug" >&5 +$as_echo "$enable_debug" >&6; } + + + # Check whether --enable-debug-dmu-tx was given. +if test "${enable_debug_dmu_tx+set}" = set; then : + enableval=$enable_debug_dmu_tx; +else + enable_debug_dmu_tx=no +fi + + + if test "x$enable_debug_dmu_tx" = xyes; then : + + KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_DMU_TX" + DEBUG_DMU_TX="_with_debug_dmu_tx" + +$as_echo "#define DEBUG_DMU_TX 1" >>confdefs.h + + +else + + DEBUG_DMU_TX="_without_debug_dmu_tx" + +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether dmu tx validation is enabled" >&5 +$as_echo_n "checking whether dmu tx validation is enabled... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_debug_dmu_tx" >&5 +$as_echo "$enable_debug_dmu_tx" >&6; } + + +ac_config_files="$ac_config_files Makefile module/Makefile module/avl/Makefile module/nvpair/Makefile module/unicode/Makefile module/zcommon/Makefile module/zfs/Makefile module/zpios/Makefile include/Makefile include/linux/Makefile include/sys/Makefile include/sys/fs/Makefile include/sys/fm/Makefile include/sys/fm/fs/Makefile zfs.release" + + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by zfs $as_me 0.6.5.9, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to the package provider." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +zfs config.status 0.6.5.9 +configured by $0, generated by GNU Autoconf 2.69, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2012 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`' +macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`' +enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`' +enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`' +pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`' +enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`' +shared_archive_member_spec='`$ECHO "$shared_archive_member_spec" | $SED "$delay_single_quote_subst"`' +SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`' +ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`' +PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`' 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"$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`' +module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`' +configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +PATH_SEPARATOR \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +AR_FLAGS \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_import \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +lt_cv_nm_interface \ +nm_file_list_spec \ +lt_cv_truncate_bin \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +configure_time_dlsearch_path \ +configure_time_lt_sys_library_path; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' + +# See if we are running on zsh, and set the options that allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + RM='$RM' + ofile='$ofile' + + + + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "zfs_config.h") CONFIG_HEADERS="$CONFIG_HEADERS zfs_config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "module/Makefile") CONFIG_FILES="$CONFIG_FILES module/Makefile" ;; + "module/avl/Makefile") CONFIG_FILES="$CONFIG_FILES module/avl/Makefile" ;; + "module/nvpair/Makefile") CONFIG_FILES="$CONFIG_FILES module/nvpair/Makefile" ;; + "module/unicode/Makefile") CONFIG_FILES="$CONFIG_FILES module/unicode/Makefile" ;; + "module/zcommon/Makefile") CONFIG_FILES="$CONFIG_FILES module/zcommon/Makefile" ;; + "module/zfs/Makefile") CONFIG_FILES="$CONFIG_FILES module/zfs/Makefile" ;; + "module/zpios/Makefile") CONFIG_FILES="$CONFIG_FILES module/zpios/Makefile" ;; + "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;; + "include/linux/Makefile") CONFIG_FILES="$CONFIG_FILES include/linux/Makefile" ;; + "include/sys/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/Makefile" ;; + "include/sys/fs/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fs/Makefile" ;; + "include/sys/fm/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fm/Makefile" ;; + "include/sys/fm/fs/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fm/fs/Makefile" ;; + "zfs.release") CONFIG_FILES="$CONFIG_FILES zfs.release" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \$shlibpath_var if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# ### END LIBTOOL CONFIG + +_LT_EOF + + cat <<'_LT_EOF' >> "$cfgfile" + +# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + + +# ### END FUNCTIONS SHARED WITH CONFIGURE + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain=$ac_aux_dir/ltmain.sh + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/zfs/configure.ac b/zfs/configure.ac new file mode 100644 index 000000000000..8bf4f6496adf --- /dev/null +++ b/zfs/configure.ac @@ -0,0 +1,77 @@ +/* + * This file is part of the ZFS Linux port. + * + * Copyright (c) 2009 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory + * Written by: + * Brian Behlendorf , + * Herb Wartens , + * Jim Garlick + * LLNL-CODE-403049 + * + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +AC_INIT(m4_esyscmd(grep Name META | cut -d ':' -f 2 | tr -d ' \n'), + m4_esyscmd(grep Version META | cut -d ':' -f 2 | tr -d ' \n')) +AC_LANG(C) +ZFS_AC_META +AC_CONFIG_AUX_DIR([config]) +AC_CONFIG_MACRO_DIR([config]) +AC_CANONICAL_SYSTEM +AM_MAINTAINER_MODE +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) +AM_INIT_AUTOMAKE +AC_CONFIG_HEADERS([zfs_config.h], [ + (mv zfs_config.h zfs_config.h.tmp && + awk -f ${ac_srcdir}/config/config.awk zfs_config.h.tmp >zfs_config.h && + rm zfs_config.h.tmp) || exit 1]) + +AC_PROG_INSTALL +AC_PROG_CC +AC_PROG_LIBTOOL +AM_PROG_AS + +ZFS_AC_LICENSE +ZFS_AC_PACKAGE +ZFS_AC_CONFIG +ZFS_AC_DEBUG +ZFS_AC_DEBUG_DMU_TX + +AC_CONFIG_FILES([ + Makefile + module/Makefile + module/avl/Makefile + module/nvpair/Makefile + module/unicode/Makefile + module/zcommon/Makefile + module/zfs/Makefile + module/zpios/Makefile + include/Makefile + include/linux/Makefile + include/sys/Makefile + include/sys/fs/Makefile + include/sys/fm/Makefile + include/sys/fm/fs/Makefile + zfs.release +]) + +AC_OUTPUT diff --git a/zfs/cp b/zfs/cp new file mode 100755 index 000000000000..46ff2c9b003b --- /dev/null +++ b/zfs/cp @@ -0,0 +1,2 @@ +#!/bin/sh +cp "$@" diff --git a/zfs/dkms.conf b/zfs/dkms.conf new file mode 100644 index 000000000000..a0d084e6c0af --- /dev/null +++ b/zfs/dkms.conf @@ -0,0 +1,89 @@ +BUILD_DEPENDS[0]="spl" +AUTOINSTALL="yes" +PACKAGE_NAME="zfs" +PACKAGE_VERSION="0.6.5.9" +PRE_BUILD="configure + --prefix=/usr + --with-config=kernel + --with-linux=$( + case `lsb_release -is` in + (Debian) + if [[ -e ${kernel_source_dir/%build/source} ]] + then + echo ${kernel_source_dir/%build/source} + else + # A kpkg exception for Proxmox 2.0 + echo ${kernel_source_dir} + fi + ;; + (*) + echo ${kernel_source_dir} + ;; + esac + ) + --with-linux-obj=${kernel_source_dir} + --with-spl=${source_tree}/spl-${PACKAGE_VERSION} + --with-spl-obj=${dkms_tree}/spl/${PACKAGE_VERSION}/${kernelver}/${arch} + $( + [[ -r /etc/default/zfs ]] \ + && source /etc/default/zfs \ + && shopt -q -s extglob \ + && \ + { + if [[ ${ZFS_DKMS_ENABLE_DEBUG,,} == @(y|yes) ]] + then + echo --enable-debug + fi + if [[ ${ZFS_DKMS_ENABLE_DEBUG_DMU_TX,,} == @(y|yes) ]] + then + echo --enable-debug-dmu-tx + fi + } + ) + --with-spl-timeout=600 +" +POST_BUILD="cp + ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/zfs_config.h + ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/module/Module.symvers + ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/${kernelver}/${arch}/ +" +REMAKE_INITRD="$( + if [ -e /usr/share/initramfs-tools/hooks/zfs \ + -o -e /usr/share/dracut/modules.d/90zfs ] + then + echo -n yes + else + echo -n no + fi +)" +MAKE[0]="make" +STRIP[0]="$( + [[ -r /etc/default/zfs ]] \ + && source /etc/default/zfs \ + && shopt -q -s extglob \ + && [[ ${ZFS_DKMS_DISABLE_STRIP,,} == @(y|yes) ]] \ + && echo -n no +)" +STRIP[1]="${STRIP[0]}" +STRIP[2]="${STRIP[0]}" +STRIP[3]="${STRIP[0]}" +STRIP[4]="${STRIP[0]}" +STRIP[5]="${STRIP[0]}" +BUILT_MODULE_NAME[0]="zavl" +BUILT_MODULE_LOCATION[0]="module/avl/" +DEST_MODULE_LOCATION[0]="/extra/zfs/zavl" +BUILT_MODULE_NAME[1]="zcommon" +BUILT_MODULE_LOCATION[1]="module/zcommon/" +DEST_MODULE_LOCATION[1]="/extra/zfs/zcommon" +BUILT_MODULE_NAME[2]="znvpair" +BUILT_MODULE_LOCATION[2]="module/nvpair/" +DEST_MODULE_LOCATION[2]="/extra/zfs/znvpair" +BUILT_MODULE_NAME[3]="zpios" +BUILT_MODULE_LOCATION[3]="module/zpios/" +DEST_MODULE_LOCATION[3]="/extra/zfs/zpios" +BUILT_MODULE_NAME[4]="zunicode" +BUILT_MODULE_LOCATION[4]="module/unicode/" +DEST_MODULE_LOCATION[4]="/extra/zfs/zunicode" +BUILT_MODULE_NAME[5]="zfs" +BUILT_MODULE_LOCATION[5]="module/zfs/" +DEST_MODULE_LOCATION[5]="/extra/zfs/zfs" diff --git a/zfs/include/Makefile.am b/zfs/include/Makefile.am new file mode 100644 index 000000000000..a94cad50da17 --- /dev/null +++ b/zfs/include/Makefile.am @@ -0,0 +1,34 @@ +SUBDIRS = linux sys + +COMMON_H = \ + $(top_srcdir)/include/zfeature_common.h \ + $(top_srcdir)/include/zfs_comutil.h \ + $(top_srcdir)/include/zfs_deleg.h \ + $(top_srcdir)/include/zfs_fletcher.h \ + $(top_srcdir)/include/zfs_namecheck.h \ + $(top_srcdir)/include/zfs_prop.h \ + $(top_srcdir)/include/zpios-ctl.h + +KERNEL_H = \ + $(top_srcdir)/include/zpios-internal.h + +USER_H = 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b/zfs/include/libnvpair.h new file mode 100644 index 000000000000..4c2615d924a5 --- /dev/null +++ b/zfs/include/libnvpair.h @@ -0,0 +1,194 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _LIBNVPAIR_H +#define _LIBNVPAIR_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * All interfaces described in this file are private to Solaris, and + * are subject to change at any time and without notice. The public + * nvlist/nvpair interfaces, as documented in manpage sections 3NVPAIR, + * are all imported from included above. + */ + +extern int nvpair_value_match(nvpair_t *, int, char *, char **); +extern int nvpair_value_match_regex(nvpair_t *, int, char *, regex_t *, + char **); + +extern void nvlist_print(FILE *, nvlist_t *); +extern void dump_nvlist(nvlist_t *, int); + +/* + * Private nvlist printing interface that allows the caller some control + * over output rendering (as opposed to nvlist_print and dump_nvlist). + * + * Obtain an opaque nvlist_prtctl_t cookie using nvlist_prtctl_alloc + * (NULL on failure); on return the cookie is set up for default formatting + * and rendering. Quote the cookie in subsequent customisation functions and + * then pass the cookie to nvlist_prt to render the nvlist. Finally, + * use nvlist_prtctl_free to release the cookie. + * + * For all nvlist_lookup_xxx and nvlist_lookup_xxx_array functions + * we have a corresponding brace of functions that appoint replacement + * rendering functions: + * + * extern void nvlist_prtctl_xxx(nvlist_prtctl_t, + * void (*)(nvlist_prtctl_t ctl, void *private, const char *name, + * xxxtype value)) + * + * and + * + * extern void nvlist_prtctl_xxx_array(nvlist_prtctl_t, + * void (*)(nvlist_prtctl_t ctl, void *private, const char *name, + * xxxtype value, uint_t count)) + * + * where xxxtype is the C datatype corresponding to xxx, eg int8_t for "int8" + * and char * for "string". The function that is appointed to render the + * specified datatype receives as arguments the cookie, the nvlist + * member name, the value of that member (or a pointer for array function), + * and (for array rendering functions) a count of the number of elements. + */ + +typedef struct nvlist_prtctl *nvlist_prtctl_t; /* opaque */ + +enum nvlist_indent_mode { + NVLIST_INDENT_ABS, /* Absolute indentation */ + NVLIST_INDENT_TABBED /* Indent with tabstops */ +}; + +extern nvlist_prtctl_t nvlist_prtctl_alloc(void); +extern void nvlist_prtctl_free(nvlist_prtctl_t); +extern void nvlist_prt(nvlist_t *, nvlist_prtctl_t); + +/* Output stream */ +extern void nvlist_prtctl_setdest(nvlist_prtctl_t, FILE *); +extern FILE *nvlist_prtctl_getdest(nvlist_prtctl_t); + +/* Indentation mode, start indent, indent increment; default tabbed/0/1 */ +extern void nvlist_prtctl_setindent(nvlist_prtctl_t, enum nvlist_indent_mode, + int, int); +extern void nvlist_prtctl_doindent(nvlist_prtctl_t, int); + +enum nvlist_prtctl_fmt { + NVLIST_FMT_MEMBER_NAME, /* name fmt; default "%s = " */ + NVLIST_FMT_MEMBER_POSTAMBLE, /* after nvlist member; default "\n" */ + NVLIST_FMT_BTWN_ARRAY /* between array members; default " " */ +}; + +extern void nvlist_prtctl_setfmt(nvlist_prtctl_t, enum nvlist_prtctl_fmt, + const char *); +extern void nvlist_prtctl_dofmt(nvlist_prtctl_t, enum nvlist_prtctl_fmt, ...); + +/* + * Function prototypes for interfaces that appoint a new rendering function + * for single-valued nvlist members. + * + * A replacement function receives arguments as follows: + * + * nvlist_prtctl_t Print control structure; do not change preferences + * for this object from a print callback function. + * + * void * The function-private cookie argument registered + * when the replacement function was appointed. + * + * nvlist_t * The full nvlist that is being processed. The + * rendering function is called to render a single + * member (name and value passed as below) but it may + * want to reference or incorporate other aspects of + * the full nvlist. + * + * const char * Member name to render + * + * valtype Value of the member to render + * + * The function must return non-zero if it has rendered output for this + * member, or 0 if it wants to default to standard rendering for this + * one member. + */ + +#define NVLIST_PRINTCTL_SVDECL(funcname, valtype) \ + extern void funcname(nvlist_prtctl_t, \ + int (*)(nvlist_prtctl_t, void *, nvlist_t *, const char *, valtype), \ + void *) + +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_boolean, int); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_boolean_value, boolean_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_byte, uchar_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int8, int8_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint8, uint8_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int16, int16_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint16, uint16_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int32, int32_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint32, uint32_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int64, int64_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint64, uint64_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_double, double); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_string, char *); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_hrtime, hrtime_t); +NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_nvlist, nvlist_t *); + +#undef NVLIST_PRINTCTL_SVDECL /* was just for "clarity" above */ + +/* + * Function prototypes for interfaces that appoint a new rendering function + * for array-valued nvlist members. + * + * One additional argument is taken: uint_t for the number of array elements + * + * Return values as above. + */ +#define NVLIST_PRINTCTL_AVDECL(funcname, vtype) \ + extern void funcname(nvlist_prtctl_t, \ + int (*)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype, uint_t), \ + void *) + +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_boolean_array, boolean_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_byte_array, uchar_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int8_array, int8_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint8_array, uint8_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int16_array, int16_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint16_array, uint16_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int32_array, int32_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint32_array, uint32_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int64_array, int64_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint64_array, uint64_t *); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_string_array, char **); +NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_nvlist_array, nvlist_t **); + +#undef NVLIST_PRINTCTL_AVDECL /* was just for "clarity" above */ + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBNVPAIR_H */ diff --git a/zfs/include/libuutil.h b/zfs/include/libuutil.h new file mode 100644 index 000000000000..667542446672 --- /dev/null +++ b/zfs/include/libuutil.h @@ -0,0 +1,390 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _LIBUUTIL_H +#define _LIBUUTIL_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Standard flags codes. + */ +#define UU_DEFAULT 0 + +/* + * Standard error codes. + */ +#define UU_ERROR_NONE 0 /* no error */ +#define UU_ERROR_INVALID_ARGUMENT 1 /* invalid argument */ +#define UU_ERROR_UNKNOWN_FLAG 2 /* passed flag invalid */ +#define UU_ERROR_NO_MEMORY 3 /* out of memory */ +#define UU_ERROR_CALLBACK_FAILED 4 /* callback-initiated error */ +#define UU_ERROR_NOT_SUPPORTED 5 /* operation not supported */ +#define UU_ERROR_EMPTY 6 /* no value provided */ +#define UU_ERROR_UNDERFLOW 7 /* value is too small */ +#define UU_ERROR_OVERFLOW 8 /* value is too value */ +#define UU_ERROR_INVALID_CHAR 9 /* value contains unexpected char */ +#define UU_ERROR_INVALID_DIGIT 10 /* value contains digit not in base */ + +#define UU_ERROR_SYSTEM 99 /* underlying system error */ +#define UU_ERROR_UNKNOWN 100 /* error status not known */ + +/* + * Standard program exit codes. + */ +#define UU_EXIT_OK (*(uu_exit_ok())) +#define UU_EXIT_FATAL (*(uu_exit_fatal())) +#define UU_EXIT_USAGE (*(uu_exit_usage())) + +/* + * Exit status profiles. + */ +#define UU_PROFILE_DEFAULT 0 +#define UU_PROFILE_LAUNCHER 1 + +/* + * Error reporting functions. + */ +uint32_t uu_error(void); +const char *uu_strerror(uint32_t); + +/* + * Program notification functions. + */ +extern void uu_alt_exit(int); +extern const char *uu_setpname(char *); +extern const char *uu_getpname(void); +/*PRINTFLIKE1*/ +extern void uu_warn(const char *, ...); +extern void uu_vwarn(const char *, va_list); +/*PRINTFLIKE1*/ +extern void uu_die(const char *, ...) __NORETURN; +extern void uu_vdie(const char *, va_list) __NORETURN; +/*PRINTFLIKE2*/ +extern void uu_xdie(int, const char *, ...) __NORETURN; +extern void uu_vxdie(int, const char *, va_list) __NORETURN; + +/* + * Exit status functions (not to be used directly) + */ +extern int *uu_exit_ok(void); +extern int *uu_exit_fatal(void); +extern int *uu_exit_usage(void); + +/* + * string->number conversions + */ +extern int uu_strtoint(const char *, void *, size_t, int, int64_t, int64_t); +extern int uu_strtouint(const char *, void *, size_t, int, uint64_t, uint64_t); + +/* + * Debug print facility functions. + */ +typedef struct uu_dprintf uu_dprintf_t; + +typedef enum { + UU_DPRINTF_SILENT, + UU_DPRINTF_FATAL, + UU_DPRINTF_WARNING, + UU_DPRINTF_NOTICE, + UU_DPRINTF_INFO, + UU_DPRINTF_DEBUG +} uu_dprintf_severity_t; + +extern uu_dprintf_t *uu_dprintf_create(const char *, uu_dprintf_severity_t, + uint_t); +/*PRINTFLIKE3*/ +extern void uu_dprintf(uu_dprintf_t *, uu_dprintf_severity_t, + const char *, ...); +extern void uu_dprintf_destroy(uu_dprintf_t *); +extern const char *uu_dprintf_getname(uu_dprintf_t *); + +/* + * Identifier test flags and function. + */ +#define UU_NAME_DOMAIN 0x1 /* allow SUNW, or com.sun, prefix */ +#define UU_NAME_PATH 0x2 /* allow '/'-delimited paths */ + +int uu_check_name(const char *, uint_t); + +/* + * File creation functions. + */ +extern int uu_open_tmp(const char *dir, uint_t uflags); + +/* + * Convenience functions. + */ +#define UU_NELEM(a) (sizeof (a) / sizeof ((a)[0])) + +/*PRINTFLIKE1*/ +extern char *uu_msprintf(const char *format, ...); +extern void *uu_zalloc(size_t); +extern char *uu_strdup(const char *); +extern void uu_free(void *); + +extern boolean_t uu_strcaseeq(const char *a, const char *b); +extern boolean_t uu_streq(const char *a, const char *b); +extern char *uu_strndup(const char *s, size_t n); +extern boolean_t uu_strbw(const char *a, const char *b); +extern void *uu_memdup(const void *buf, size_t sz); +extern void uu_dump(FILE *out, const char *prefix, const void *buf, size_t len); + +/* + * Comparison function type definition. + * Developers should be careful in their use of the _private argument. If you + * break interface guarantees, you get undefined behavior. + */ +typedef int uu_compare_fn_t(const void *__left, const void *__right, + void *__private); + +/* + * Walk variant flags. + * A data structure need not provide support for all variants and + * combinations. Refer to the appropriate documentation. + */ +#define UU_WALK_ROBUST 0x00000001 /* walk can survive removes */ +#define UU_WALK_REVERSE 0x00000002 /* reverse walk order */ + +#define UU_WALK_PREORDER 0x00000010 /* walk tree in pre-order */ +#define UU_WALK_POSTORDER 0x00000020 /* walk tree in post-order */ + +/* + * Walk callback function return codes. + */ +#define UU_WALK_ERROR -1 +#define UU_WALK_NEXT 0 +#define UU_WALK_DONE 1 + +/* + * Walk callback function type definition. + */ +typedef int uu_walk_fn_t(void *_elem, void *_private); + +/* + * lists: opaque structures + */ +typedef struct uu_list_pool uu_list_pool_t; +typedef struct uu_list uu_list_t; + +typedef struct uu_list_node { + uintptr_t uln_opaque[2]; +} uu_list_node_t; + +typedef struct uu_list_walk uu_list_walk_t; + +typedef uintptr_t uu_list_index_t; + +/* + * lists: interface + * + * basic usage: + * typedef struct foo { + * ... + * uu_list_node_t foo_node; + * ... + * } foo_t; + * + * static int + * foo_compare(void *l_arg, void *r_arg, void *private) + * { + * foo_t *l = l_arg; + * foo_t *r = r_arg; + * + * if (... l greater than r ...) + * return (1); + * if (... l less than r ...) + * return (-1); + * return (0); + * } + * + * ... + * // at initialization time + * foo_pool = uu_list_pool_create("foo_pool", + * sizeof (foo_t), offsetof(foo_t, foo_node), foo_compare, + * debugging? 0 : UU_AVL_POOL_DEBUG); + * ... + */ +uu_list_pool_t *uu_list_pool_create(const char *, size_t, size_t, + uu_compare_fn_t *, uint32_t); +#define UU_LIST_POOL_DEBUG 0x00000001 + +void uu_list_pool_destroy(uu_list_pool_t *); + +/* + * usage: + * + * foo_t *a; + * a = malloc(sizeof(*a)); + * uu_list_node_init(a, &a->foo_list, pool); + * ... + * uu_list_node_fini(a, &a->foo_list, pool); + * free(a); + */ +void uu_list_node_init(void *, uu_list_node_t *, uu_list_pool_t *); +void uu_list_node_fini(void *, uu_list_node_t *, uu_list_pool_t *); + +uu_list_t *uu_list_create(uu_list_pool_t *, void *_parent, uint32_t); +#define UU_LIST_DEBUG 0x00000001 +#define UU_LIST_SORTED 0x00000002 /* list is sorted */ + +void uu_list_destroy(uu_list_t *); /* list must be empty */ + +size_t uu_list_numnodes(uu_list_t *); + +void *uu_list_first(uu_list_t *); +void *uu_list_last(uu_list_t *); + +void *uu_list_next(uu_list_t *, void *); +void *uu_list_prev(uu_list_t *, void *); + +int uu_list_walk(uu_list_t *, uu_walk_fn_t *, void *, uint32_t); + +uu_list_walk_t *uu_list_walk_start(uu_list_t *, uint32_t); +void *uu_list_walk_next(uu_list_walk_t *); +void uu_list_walk_end(uu_list_walk_t *); + +void *uu_list_find(uu_list_t *, void *, void *, uu_list_index_t *); +void uu_list_insert(uu_list_t *, void *, uu_list_index_t); + +void *uu_list_nearest_next(uu_list_t *, uu_list_index_t); +void *uu_list_nearest_prev(uu_list_t *, uu_list_index_t); + +void *uu_list_teardown(uu_list_t *, void **); + +void uu_list_remove(uu_list_t *, void *); + +/* + * lists: interfaces for non-sorted lists only + */ +int uu_list_insert_before(uu_list_t *, void *_target, void *_elem); +int uu_list_insert_after(uu_list_t *, void *_target, void *_elem); + +/* + * avl trees: opaque structures + */ +typedef struct uu_avl_pool uu_avl_pool_t; +typedef struct uu_avl uu_avl_t; + +typedef struct uu_avl_node { +#ifdef _LP64 + uintptr_t uan_opaque[3]; +#else + uintptr_t uan_opaque[4]; +#endif +} uu_avl_node_t; + +typedef struct uu_avl_walk uu_avl_walk_t; + +typedef uintptr_t uu_avl_index_t; + +/* + * avl trees: interface + * + * basic usage: + * typedef struct foo { + * ... + * uu_avl_node_t foo_node; + * ... + * } foo_t; + * + * static int + * foo_compare(void *l_arg, void *r_arg, void *private) + * { + * foo_t *l = l_arg; + * foo_t *r = r_arg; + * + * if (... l greater than r ...) + * return (1); + * if (... l less than r ...) + * return (-1); + * return (0); + * } + * + * ... + * // at initialization time + * foo_pool = uu_avl_pool_create("foo_pool", + * sizeof (foo_t), offsetof(foo_t, foo_node), foo_compare, + * debugging? 0 : UU_AVL_POOL_DEBUG); + * ... + */ +uu_avl_pool_t *uu_avl_pool_create(const char *, size_t, size_t, + uu_compare_fn_t *, uint32_t); +#define UU_AVL_POOL_DEBUG 0x00000001 + +void uu_avl_pool_destroy(uu_avl_pool_t *); + +/* + * usage: + * + * foo_t *a; + * a = malloc(sizeof(*a)); + * uu_avl_node_init(a, &a->foo_avl, pool); + * ... + * uu_avl_node_fini(a, &a->foo_avl, pool); + * free(a); + */ +void uu_avl_node_init(void *, uu_avl_node_t *, uu_avl_pool_t *); +void uu_avl_node_fini(void *, uu_avl_node_t *, uu_avl_pool_t *); + +uu_avl_t *uu_avl_create(uu_avl_pool_t *, void *_parent, uint32_t); +#define UU_AVL_DEBUG 0x00000001 + +void uu_avl_destroy(uu_avl_t *); /* list must be empty */ + +size_t uu_avl_numnodes(uu_avl_t *); + +void *uu_avl_first(uu_avl_t *); +void *uu_avl_last(uu_avl_t *); + +void *uu_avl_next(uu_avl_t *, void *); +void *uu_avl_prev(uu_avl_t *, void *); + +int uu_avl_walk(uu_avl_t *, uu_walk_fn_t *, void *, uint32_t); + +uu_avl_walk_t *uu_avl_walk_start(uu_avl_t *, uint32_t); +void *uu_avl_walk_next(uu_avl_walk_t *); +void uu_avl_walk_end(uu_avl_walk_t *); + +void *uu_avl_find(uu_avl_t *, void *, void *, uu_avl_index_t *); +void uu_avl_insert(uu_avl_t *, void *, uu_avl_index_t); + +void *uu_avl_nearest_next(uu_avl_t *, uu_avl_index_t); +void *uu_avl_nearest_prev(uu_avl_t *, uu_avl_index_t); + +void *uu_avl_teardown(uu_avl_t *, void **); + +void uu_avl_remove(uu_avl_t *, void *); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBUUTIL_H */ diff --git a/zfs/include/libuutil_common.h b/zfs/include/libuutil_common.h new file mode 100644 index 000000000000..52ac4887f75c --- /dev/null +++ b/zfs/include/libuutil_common.h @@ -0,0 +1,35 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _LIBUUTIL_COMMON_H +#define _LIBUUTIL_COMMON_H + + + +#include +#include + +#endif /* _LIBUUTIL_COMMON_H */ diff --git a/zfs/include/libuutil_impl.h b/zfs/include/libuutil_impl.h new file mode 100644 index 000000000000..f978b475eff8 --- /dev/null +++ b/zfs/include/libuutil_impl.h @@ -0,0 +1,181 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _LIBUUTIL_IMPL_H +#define _LIBUUTIL_IMPL_H + + + +#include +#include + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +void uu_set_error(uint_t); + + +/*PRINTFLIKE1*/ +void uu_panic(const char *format, ...); + + +struct uu_dprintf { + char *uud_name; + uu_dprintf_severity_t uud_severity; + uint_t uud_flags; +}; + +/* + * For debugging purposes, libuutil keeps around linked lists of all uu_lists + * and uu_avls, along with pointers to their parents. These can cause false + * negatives when looking for memory leaks, so we encode the pointers by + * storing them with swapped endianness; this is not perfect, but it's about + * the best we can do without wasting a lot of space. + */ +#ifdef _LP64 +#define UU_PTR_ENCODE(ptr) BSWAP_64((uintptr_t)(void *)(ptr)) +#else +#define UU_PTR_ENCODE(ptr) BSWAP_32((uintptr_t)(void *)(ptr)) +#endif + +#define UU_PTR_DECODE(ptr) ((void *)UU_PTR_ENCODE(ptr)) + +/* + * uu_list structures + */ +typedef struct uu_list_node_impl { + struct uu_list_node_impl *uln_next; + struct uu_list_node_impl *uln_prev; +} uu_list_node_impl_t; + +struct uu_list_walk { + uu_list_walk_t *ulw_next; + uu_list_walk_t *ulw_prev; + + uu_list_t *ulw_list; + int8_t ulw_dir; + uint8_t ulw_robust; + uu_list_node_impl_t *ulw_next_result; +}; + +struct uu_list { + uintptr_t ul_next_enc; + uintptr_t ul_prev_enc; + + uu_list_pool_t *ul_pool; + uintptr_t ul_parent_enc; /* encoded parent pointer */ + size_t ul_offset; + size_t ul_numnodes; + uint8_t ul_debug; + uint8_t ul_sorted; + uint8_t ul_index; /* mark for uu_list_index_ts */ + + uu_list_node_impl_t ul_null_node; + uu_list_walk_t ul_null_walk; /* for robust walkers */ +}; + +#define UU_LIST_PTR(ptr) ((uu_list_t *)UU_PTR_DECODE(ptr)) + +#define UU_LIST_POOL_MAXNAME 64 + +struct uu_list_pool { + uu_list_pool_t *ulp_next; + uu_list_pool_t *ulp_prev; + + char ulp_name[UU_LIST_POOL_MAXNAME]; + size_t ulp_nodeoffset; + size_t ulp_objsize; + uu_compare_fn_t *ulp_cmp; + uint8_t ulp_debug; + uint8_t ulp_last_index; + pthread_mutex_t ulp_lock; /* protects null_list */ + uu_list_t ulp_null_list; +}; + +/* + * uu_avl structures + */ +typedef struct avl_node uu_avl_node_impl_t; + +struct uu_avl_walk { + uu_avl_walk_t *uaw_next; + uu_avl_walk_t *uaw_prev; + + uu_avl_t *uaw_avl; + void *uaw_next_result; + int8_t uaw_dir; + uint8_t uaw_robust; +}; + +struct uu_avl { + uintptr_t ua_next_enc; + uintptr_t ua_prev_enc; + + uu_avl_pool_t *ua_pool; + uintptr_t ua_parent_enc; + uint8_t ua_debug; + uint8_t ua_index; /* mark for uu_avl_index_ts */ + + struct avl_tree ua_tree; + uu_avl_walk_t ua_null_walk; +}; + +#define UU_AVL_PTR(x) ((uu_avl_t *)UU_PTR_DECODE(x)) + +#define UU_AVL_POOL_MAXNAME 64 + +struct uu_avl_pool { + uu_avl_pool_t *uap_next; + uu_avl_pool_t *uap_prev; + + char uap_name[UU_AVL_POOL_MAXNAME]; + size_t uap_nodeoffset; + size_t uap_objsize; + uu_compare_fn_t *uap_cmp; + uint8_t uap_debug; + uint8_t uap_last_index; + pthread_mutex_t uap_lock; /* protects null_avl */ + uu_avl_t uap_null_avl; +}; + +/* + * atfork() handlers + */ +void uu_avl_lockup(void); +void uu_avl_release(void); + +void uu_list_lockup(void); +void uu_list_release(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBUUTIL_IMPL_H */ diff --git a/zfs/include/libzfs.h b/zfs/include/libzfs.h new file mode 100644 index 000000000000..26847e0653e0 --- /dev/null +++ b/zfs/include/libzfs.h @@ -0,0 +1,805 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. + * Copyright 2013 Nexenta Systems, Inc. All rights reserved. + */ + +#ifndef _LIBZFS_H +#define _LIBZFS_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Miscellaneous ZFS constants + */ +#define ZFS_MAXNAMELEN MAXNAMELEN +#define ZPOOL_MAXNAMELEN MAXNAMELEN +#define ZFS_MAXPROPLEN MAXPATHLEN +#define ZPOOL_MAXPROPLEN MAXPATHLEN + +/* + * Default device paths + */ +#define DISK_ROOT "/dev" +#define UDISK_ROOT "/dev/disk" + +/* + * Default wait time for a device name to be created. + */ +#define DISK_LABEL_WAIT (30 * 1000) /* 30 seconds */ + +#define DEFAULT_IMPORT_PATH_SIZE 7 +extern char *zpool_default_import_path[DEFAULT_IMPORT_PATH_SIZE]; + +/* + * libzfs errors + */ +typedef enum zfs_error { + EZFS_SUCCESS = 0, /* no error -- success */ + EZFS_NOMEM = 2000, /* out of memory */ + EZFS_BADPROP, /* invalid property value */ + EZFS_PROPREADONLY, /* cannot set readonly property */ + EZFS_PROPTYPE, /* property does not apply to dataset type */ + EZFS_PROPNONINHERIT, /* property is not inheritable */ + EZFS_PROPSPACE, /* bad quota or reservation */ + EZFS_BADTYPE, /* dataset is not of appropriate type */ + EZFS_BUSY, /* pool or dataset is busy */ + EZFS_EXISTS, /* pool or dataset already exists */ + EZFS_NOENT, /* no such pool or dataset */ + EZFS_BADSTREAM, /* bad backup stream */ + EZFS_DSREADONLY, /* dataset is readonly */ + EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */ + EZFS_INVALIDNAME, /* invalid dataset name */ + EZFS_BADRESTORE, /* unable to restore to destination */ + EZFS_BADBACKUP, /* backup failed */ + EZFS_BADTARGET, /* bad attach/detach/replace target */ + EZFS_NODEVICE, /* no such device in pool */ + EZFS_BADDEV, /* invalid device to add */ + EZFS_NOREPLICAS, /* no valid replicas */ + EZFS_RESILVERING, /* currently resilvering */ + EZFS_BADVERSION, /* unsupported version */ + EZFS_POOLUNAVAIL, /* pool is currently unavailable */ + EZFS_DEVOVERFLOW, /* too many devices in one vdev */ + EZFS_BADPATH, /* must be an absolute path */ + EZFS_CROSSTARGET, /* rename or clone across pool or dataset */ + EZFS_ZONED, /* used improperly in local zone */ + EZFS_MOUNTFAILED, /* failed to mount dataset */ + EZFS_UMOUNTFAILED, /* failed to unmount dataset */ + EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */ + EZFS_SHARENFSFAILED, /* share(1M) failed */ + EZFS_PERM, /* permission denied */ + EZFS_NOSPC, /* out of space */ + EZFS_FAULT, /* bad address */ + EZFS_IO, /* I/O error */ + EZFS_INTR, /* signal received */ + EZFS_ISSPARE, /* device is a hot spare */ + EZFS_INVALCONFIG, /* invalid vdev configuration */ + EZFS_RECURSIVE, /* recursive dependency */ + EZFS_NOHISTORY, /* no history object */ + EZFS_POOLPROPS, /* couldn't retrieve pool props */ + EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */ + EZFS_POOL_INVALARG, /* invalid argument for this pool operation */ + EZFS_NAMETOOLONG, /* dataset name is too long */ + EZFS_OPENFAILED, /* open of device failed */ + EZFS_NOCAP, /* couldn't get capacity */ + EZFS_LABELFAILED, /* write of label failed */ + EZFS_BADWHO, /* invalid permission who */ + EZFS_BADPERM, /* invalid permission */ + EZFS_BADPERMSET, /* invalid permission set name */ + EZFS_NODELEGATION, /* delegated administration is disabled */ + EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */ + EZFS_SHARESMBFAILED, /* failed to share over smb */ + EZFS_BADCACHE, /* bad cache file */ + EZFS_ISL2CACHE, /* device is for the level 2 ARC */ + EZFS_VDEVNOTSUP, /* unsupported vdev type */ + EZFS_NOTSUP, /* ops not supported on this dataset */ + EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */ + EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */ + EZFS_REFTAG_RELE, /* snapshot release: tag not found */ + EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */ + EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */ + EZFS_PIPEFAILED, /* pipe create failed */ + EZFS_THREADCREATEFAILED, /* thread create failed */ + EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */ + EZFS_SCRUBBING, /* currently scrubbing */ + EZFS_NO_SCRUB, /* no active scrub */ + EZFS_DIFF, /* general failure of zfs diff */ + EZFS_DIFFDATA, /* bad zfs diff data */ + EZFS_POOLREADONLY, /* pool is in read-only mode */ + EZFS_UNKNOWN +} zfs_error_t; + +/* + * The following data structures are all part + * of the zfs_allow_t data structure which is + * used for printing 'allow' permissions. + * It is a linked list of zfs_allow_t's which + * then contain avl tree's for user/group/sets/... + * and each one of the entries in those trees have + * avl tree's for the permissions they belong to and + * whether they are local,descendent or local+descendent + * permissions. The AVL trees are used primarily for + * sorting purposes, but also so that we can quickly find + * a given user and or permission. + */ +typedef struct zfs_perm_node { + avl_node_t z_node; + char z_pname[MAXPATHLEN]; +} zfs_perm_node_t; + +typedef struct zfs_allow_node { + avl_node_t z_node; + char z_key[MAXPATHLEN]; /* name, such as joe */ + avl_tree_t z_localdescend; /* local+descendent perms */ + avl_tree_t z_local; /* local permissions */ + avl_tree_t z_descend; /* descendent permissions */ +} zfs_allow_node_t; + +typedef struct zfs_allow { + struct zfs_allow *z_next; + char z_setpoint[MAXPATHLEN]; + avl_tree_t z_sets; + avl_tree_t z_crperms; + avl_tree_t z_user; + avl_tree_t z_group; + avl_tree_t z_everyone; +} zfs_allow_t; + +/* + * Basic handle types + */ +typedef struct zfs_handle zfs_handle_t; +typedef struct zpool_handle zpool_handle_t; +typedef struct libzfs_handle libzfs_handle_t; + +/* + * Library initialization + */ +extern libzfs_handle_t *libzfs_init(void); +extern void libzfs_fini(libzfs_handle_t *); + +extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *); +extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *); + +extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t); + +extern void zfs_save_arguments(int argc, char **, char *, int); +extern int zpool_log_history(libzfs_handle_t *, const char *); + +extern int libzfs_errno(libzfs_handle_t *); +extern const char *libzfs_error_init(int); +extern const char *libzfs_error_action(libzfs_handle_t *); +extern const char *libzfs_error_description(libzfs_handle_t *); +extern int zfs_standard_error(libzfs_handle_t *, int, const char *); +extern void libzfs_mnttab_init(libzfs_handle_t *); +extern void libzfs_mnttab_fini(libzfs_handle_t *); +extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t); +extern int libzfs_mnttab_find(libzfs_handle_t *, const char *, + struct mnttab *); +extern void libzfs_mnttab_add(libzfs_handle_t *, const char *, + const char *, const char *); +extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *); + +/* + * Basic handle functions + */ +extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *); +extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *); +extern void zpool_close(zpool_handle_t *); +extern const char *zpool_get_name(zpool_handle_t *); +extern int zpool_get_state(zpool_handle_t *); +extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t); +extern const char *zpool_pool_state_to_name(pool_state_t); +extern void zpool_free_handles(libzfs_handle_t *); + +/* + * Iterate over all active pools in the system. + */ +typedef int (*zpool_iter_f)(zpool_handle_t *, void *); +extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *); + +/* + * Functions to create and destroy pools + */ +extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *, + nvlist_t *, nvlist_t *); +extern int zpool_destroy(zpool_handle_t *, const char *); +extern int zpool_add(zpool_handle_t *, nvlist_t *); + +typedef struct splitflags { + /* do not split, but return the config that would be split off */ + int dryrun : 1; + + /* after splitting, import the pool */ + int import : 1; + int name_flags; +} splitflags_t; + +/* + * Functions to manipulate pool and vdev state + */ +extern int zpool_scan(zpool_handle_t *, pool_scan_func_t); +extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *); +extern int zpool_reguid(zpool_handle_t *); +extern int zpool_reopen(zpool_handle_t *); + +extern int zpool_vdev_online(zpool_handle_t *, const char *, int, + vdev_state_t *); +extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t); +extern int zpool_vdev_attach(zpool_handle_t *, const char *, + const char *, nvlist_t *, int); +extern int zpool_vdev_detach(zpool_handle_t *, const char *); +extern int zpool_vdev_remove(zpool_handle_t *, const char *); +extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *, + splitflags_t); + +extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t); +extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t); +extern int zpool_vdev_clear(zpool_handle_t *, uint64_t); + +extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *, + boolean_t *, boolean_t *); +extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *, + boolean_t *, boolean_t *, boolean_t *); +extern int zpool_label_disk_wait(char *, int); +extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *); + +/* + * Functions to manage pool properties + */ +extern int zpool_set_prop(zpool_handle_t *, const char *, const char *); +extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *, + size_t proplen, zprop_source_t *); +extern int zpool_get_prop_literal(zpool_handle_t *, zpool_prop_t, char *, + size_t proplen, zprop_source_t *, boolean_t literal); +extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t, + zprop_source_t *); + +extern const char *zpool_prop_to_name(zpool_prop_t); +extern const char *zpool_prop_values(zpool_prop_t); + +/* + * Pool health statistics. + */ +typedef enum { + /* + * The following correspond to faults as defined in the (fault.fs.zfs.*) + * event namespace. Each is associated with a corresponding message ID. + */ + ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */ + ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */ + ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */ + ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */ + ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */ + ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */ + ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */ + ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */ + ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */ + ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */ + ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */ + ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */ + ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */ + ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */ + ZPOOL_STATUS_ERRATA, /* informational errata available */ + + /* + * If the pool has unsupported features but can still be opened in + * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the + * pool has unsupported features but cannot be opened at all, its + * status is ZPOOL_STATUS_UNSUP_FEAT_READ. + */ + ZPOOL_STATUS_UNSUP_FEAT_READ, /* unsupported features for read */ + ZPOOL_STATUS_UNSUP_FEAT_WRITE, /* unsupported features for write */ + + /* + * These faults have no corresponding message ID. At the time we are + * checking the status, the original reason for the FMA fault (I/O or + * checksum errors) has been lost. + */ + ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */ + ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */ + + /* + * The following are not faults per se, but still an error possibly + * requiring administrative attention. There is no corresponding + * message ID. + */ + ZPOOL_STATUS_VERSION_OLDER, /* older legacy on-disk version */ + ZPOOL_STATUS_FEAT_DISABLED, /* supported features are disabled */ + ZPOOL_STATUS_RESILVERING, /* device being resilvered */ + ZPOOL_STATUS_OFFLINE_DEV, /* device online */ + ZPOOL_STATUS_REMOVED_DEV, /* removed device */ + + /* + * Finally, the following indicates a healthy pool. + */ + ZPOOL_STATUS_OK +} zpool_status_t; + +extern unsigned long get_system_hostid(void); +extern zpool_status_t zpool_get_status(zpool_handle_t *, char **, + zpool_errata_t *); +extern zpool_status_t zpool_import_status(nvlist_t *, char **, + zpool_errata_t *); +extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh); + +/* + * Statistics and configuration functions. + */ +extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **); +extern nvlist_t *zpool_get_features(zpool_handle_t *); +extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *); +extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **); + +/* + * Import and export functions + */ +extern int zpool_export(zpool_handle_t *, boolean_t, const char *); +extern int zpool_export_force(zpool_handle_t *, const char *); +extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *, + char *altroot); +extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *, + nvlist_t *, int); +extern void zpool_print_unsup_feat(nvlist_t *config); + +/* + * Search for pools to import + */ + +typedef struct importargs { + char **path; /* a list of paths to search */ + int paths; /* number of paths to search */ + char *poolname; /* name of a pool to find */ + uint64_t guid; /* guid of a pool to find */ + char *cachefile; /* cachefile to use for import */ + int can_be_active : 1; /* can the pool be active? */ + int unique : 1; /* does 'poolname' already exist? */ + int exists : 1; /* set on return if pool already exists */ +} importargs_t; + +extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *); + +/* legacy pool search routines */ +extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **); +extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *, + char *, uint64_t); + +/* + * Miscellaneous pool functions + */ +struct zfs_cmd; + +extern const char *zfs_history_event_names[]; + +typedef enum { + VDEV_NAME_PATH = 1 << 0, + VDEV_NAME_GUID = 1 << 1, + VDEV_NAME_FOLLOW_LINKS = 1 << 2, + VDEV_NAME_TYPE_ID = 1 << 3, +} vdev_name_t; + +extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *, + int name_flags); +extern int zpool_upgrade(zpool_handle_t *, uint64_t); +extern int zpool_get_history(zpool_handle_t *, nvlist_t **); +extern int zpool_history_unpack(char *, uint64_t, uint64_t *, + nvlist_t ***, uint_t *); +extern int zpool_events_next(libzfs_handle_t *, nvlist_t **, int *, unsigned, + int); +extern int zpool_events_clear(libzfs_handle_t *, int *); +extern int zpool_events_seek(libzfs_handle_t *, uint64_t, int); +extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *, + size_t len); +extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *); +extern int zpool_get_physpath(zpool_handle_t *, char *, size_t); +extern void zpool_explain_recover(libzfs_handle_t *, const char *, int, + nvlist_t *); + +/* + * Basic handle manipulations. These functions do not create or destroy the + * underlying datasets, only the references to them. + */ +extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int); +extern zfs_handle_t *zfs_handle_dup(zfs_handle_t *); +extern void zfs_close(zfs_handle_t *); +extern zfs_type_t zfs_get_type(const zfs_handle_t *); +extern const char *zfs_get_name(const zfs_handle_t *); +extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *); + +/* + * Property management functions. Some functions are shared with the kernel, + * and are found in sys/fs/zfs.h. + */ + +/* + * zfs dataset property management + */ +extern const char *zfs_prop_default_string(zfs_prop_t); +extern uint64_t zfs_prop_default_numeric(zfs_prop_t); +extern const char *zfs_prop_column_name(zfs_prop_t); +extern boolean_t zfs_prop_align_right(zfs_prop_t); + +extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t, + nvlist_t *, uint64_t, zfs_handle_t *, const char *); + +extern const char *zfs_prop_to_name(zfs_prop_t); +extern int zfs_prop_set(zfs_handle_t *, const char *, const char *); +extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t, + zprop_source_t *, char *, size_t, boolean_t); +extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t, + boolean_t); +extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *, + zprop_source_t *, char *, size_t); +extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname, + uint64_t *propvalue); +extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname, + char *propbuf, int proplen, boolean_t literal); +extern int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname, + uint64_t *propvalue); +extern int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname, + char *propbuf, int proplen, boolean_t literal); +extern int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname, + char *buf, size_t len); +extern uint64_t getprop_uint64(zfs_handle_t *, zfs_prop_t, char **); +extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t); +extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t); +extern const char *zfs_prop_values(zfs_prop_t); +extern int zfs_prop_is_string(zfs_prop_t prop); +extern nvlist_t *zfs_get_user_props(zfs_handle_t *); +extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *); +extern nvlist_t *zfs_get_clones_nvl(zfs_handle_t *); + +typedef struct zprop_list { + int pl_prop; + char *pl_user_prop; + struct zprop_list *pl_next; + boolean_t pl_all; + size_t pl_width; + size_t pl_recvd_width; + boolean_t pl_fixed; +} zprop_list_t; + +extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t, + boolean_t); +extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *); + +#define ZFS_MOUNTPOINT_NONE "none" +#define ZFS_MOUNTPOINT_LEGACY "legacy" + +#define ZFS_FEATURE_DISABLED "disabled" +#define ZFS_FEATURE_ENABLED "enabled" +#define ZFS_FEATURE_ACTIVE "active" + +#define ZFS_UNSUPPORTED_INACTIVE "inactive" +#define ZFS_UNSUPPORTED_READONLY "readonly" + +/* + * zpool property management + */ +extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **); +extern int zpool_prop_get_feature(zpool_handle_t *, const char *, char *, + size_t); +extern const char *zpool_prop_default_string(zpool_prop_t); +extern uint64_t zpool_prop_default_numeric(zpool_prop_t); +extern const char *zpool_prop_column_name(zpool_prop_t); +extern boolean_t zpool_prop_align_right(zpool_prop_t); + +/* + * Functions shared by zfs and zpool property management. + */ +extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all, + boolean_t ordered, zfs_type_t type); +extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **, + zfs_type_t); +extern void zprop_free_list(zprop_list_t *); + +#define ZFS_GET_NCOLS 5 + +typedef enum { + GET_COL_NONE, + GET_COL_NAME, + GET_COL_PROPERTY, + GET_COL_VALUE, + GET_COL_RECVD, + GET_COL_SOURCE +} zfs_get_column_t; + +/* + * Functions for printing zfs or zpool properties + */ +typedef struct zprop_get_cbdata { + int cb_sources; + zfs_get_column_t cb_columns[ZFS_GET_NCOLS]; + int cb_colwidths[ZFS_GET_NCOLS + 1]; + boolean_t cb_scripted; + boolean_t cb_literal; + boolean_t cb_first; + zprop_list_t *cb_proplist; + zfs_type_t cb_type; +} zprop_get_cbdata_t; + +void zprop_print_one_property(const char *, zprop_get_cbdata_t *, + const char *, const char *, zprop_source_t, const char *, + const char *); + +/* + * Iterator functions. + */ +typedef int (*zfs_iter_f)(zfs_handle_t *, void *); +extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *); +extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_snapshots(zfs_handle_t *, boolean_t, zfs_iter_f, void *); +extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_snapspec(zfs_handle_t *, const char *, zfs_iter_f, void *); +extern int zfs_iter_bookmarks(zfs_handle_t *, zfs_iter_f, void *); + +typedef struct get_all_cb { + zfs_handle_t **cb_handles; + size_t cb_alloc; + size_t cb_used; + boolean_t cb_verbose; + int (*cb_getone)(zfs_handle_t *, void *); +} get_all_cb_t; + +void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *); +int libzfs_dataset_cmp(const void *, const void *); + +/* + * Functions to create and destroy datasets. + */ +extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t, + nvlist_t *); +extern int zfs_create_ancestors(libzfs_handle_t *, const char *); +extern int zfs_destroy(zfs_handle_t *, boolean_t); +extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t); +extern int zfs_destroy_snaps_nvl(libzfs_handle_t *, nvlist_t *, boolean_t); +extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *); +extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *); +extern int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, + nvlist_t *props); +extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t); +extern int zfs_rename(zfs_handle_t *, const char *, boolean_t, boolean_t); + +typedef struct sendflags { + /* print informational messages (ie, -v was specified) */ + boolean_t verbose; + + /* recursive send (ie, -R) */ + boolean_t replicate; + + /* for incrementals, do all intermediate snapshots */ + boolean_t doall; + + /* if dataset is a clone, do incremental from its origin */ + boolean_t fromorigin; + + /* do deduplication */ + boolean_t dedup; + + /* send properties (ie, -p) */ + boolean_t props; + + /* do not send (no-op, ie. -n) */ + boolean_t dryrun; + + /* parsable verbose output (ie. -P) */ + boolean_t parsable; + + /* show progress (ie. -v) */ + boolean_t progress; + + /* large blocks (>128K) are permitted */ + boolean_t largeblock; + + /* WRITE_EMBEDDED records of type DATA are permitted */ + boolean_t embed_data; +} sendflags_t; + +typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *); + +extern int zfs_send(zfs_handle_t *, const char *, const char *, + sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **); +extern int zfs_send_one(zfs_handle_t *, const char *, int, enum lzc_send_flags); + +extern int zfs_promote(zfs_handle_t *); +extern int zfs_hold(zfs_handle_t *, const char *, const char *, + boolean_t, int); +extern int zfs_hold_nvl(zfs_handle_t *, int, nvlist_t *); +extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t); +extern int zfs_get_holds(zfs_handle_t *, nvlist_t **); +extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *); + +typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain, + uid_t rid, uint64_t space); + +extern int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t, + zfs_userspace_cb_t, void *); + +extern int zfs_get_fsacl(zfs_handle_t *, nvlist_t **); +extern int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *); + +typedef struct recvflags { + /* print informational messages (ie, -v was specified) */ + boolean_t verbose; + + /* the destination is a prefix, not the exact fs (ie, -d) */ + boolean_t isprefix; + + /* + * Only the tail of the sent snapshot path is appended to the + * destination to determine the received snapshot name (ie, -e). + */ + boolean_t istail; + + /* do not actually do the recv, just check if it would work (ie, -n) */ + boolean_t dryrun; + + /* rollback/destroy filesystems as necessary (eg, -F) */ + boolean_t force; + + /* set "canmount=off" on all modified filesystems */ + boolean_t canmountoff; + + /* byteswap flag is used internally; callers need not specify */ + boolean_t byteswap; + + /* do not mount file systems as they are extracted (private) */ + boolean_t nomount; +} recvflags_t; + +extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t *, + int, avl_tree_t *); + +typedef enum diff_flags { + ZFS_DIFF_PARSEABLE = 0x1, + ZFS_DIFF_TIMESTAMP = 0x2, + ZFS_DIFF_CLASSIFY = 0x4 +} diff_flags_t; + +extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *, + int); + +/* + * Miscellaneous functions. + */ +extern const char *zfs_type_to_name(zfs_type_t); +extern void zfs_refresh_properties(zfs_handle_t *); +extern int zfs_name_valid(const char *, zfs_type_t); +extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t); +extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *, + zfs_type_t); +extern int zfs_spa_version(zfs_handle_t *, int *); +extern boolean_t zfs_bookmark_exists(const char *path); +extern int zfs_append_partition(char *path, size_t max_len); +extern int zfs_resolve_shortname(const char *name, char *path, size_t pathlen); +extern int zfs_strcmp_pathname(char *name, char *cmp_name, int wholedisk); + +/* + * Mount support functions. + */ +extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **); +extern boolean_t zfs_is_mounted(zfs_handle_t *, char **); +extern int zfs_mount(zfs_handle_t *, const char *, int); +extern int zfs_unmount(zfs_handle_t *, const char *, int); +extern int zfs_unmountall(zfs_handle_t *, int); + +/* + * Share support functions. + */ +extern boolean_t zfs_is_shared(zfs_handle_t *); +extern int zfs_share(zfs_handle_t *); +extern int zfs_unshare(zfs_handle_t *); + +/* + * Protocol-specific share support functions. + */ +extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **); +extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **); +extern int zfs_share_nfs(zfs_handle_t *); +extern int zfs_share_smb(zfs_handle_t *); +extern int zfs_shareall(zfs_handle_t *); +extern int zfs_unshare_nfs(zfs_handle_t *, const char *); +extern int zfs_unshare_smb(zfs_handle_t *, const char *); +extern int zfs_unshareall_nfs(zfs_handle_t *); +extern int zfs_unshareall_smb(zfs_handle_t *); +extern int zfs_unshareall_bypath(zfs_handle_t *, const char *); +extern int zfs_unshareall(zfs_handle_t *); +extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *, + void *, void *, int, zfs_share_op_t); + +/* + * Utility function to convert a number to a human-readable form. + */ +extern void zfs_nicenum(uint64_t, char *, size_t); +extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *); + +/* + * Utility functions to run an external process. + */ +#define STDOUT_VERBOSE 0x01 +#define STDERR_VERBOSE 0x02 + +int libzfs_run_process(const char *, char **, int flags); + +/* + * Given a device or file, determine if it is part of a pool. + */ +extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **, + boolean_t *); + +/* + * Label manipulation. + */ +extern int zpool_read_label(int, nvlist_t **, int *); +extern int zpool_clear_label(int); + +/* + * Management interfaces for SMB ACL files + */ + +int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *); +int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *); +int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *); +int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *); + +/* + * Enable and disable datasets within a pool by mounting/unmounting and + * sharing/unsharing them. + */ +extern int zpool_enable_datasets(zpool_handle_t *, const char *, int); +extern int zpool_disable_datasets(zpool_handle_t *, boolean_t); + +/* + * Mappings between vdev and FRU. + */ +extern void libzfs_fru_refresh(libzfs_handle_t *); +extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *); +extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *); +extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *, + const char *); +extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *); +extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBZFS_H */ diff --git a/zfs/include/libzfs_core.h b/zfs/include/libzfs_core.h new file mode 100644 index 000000000000..bdd6c951ee49 --- /dev/null +++ b/zfs/include/libzfs_core.h @@ -0,0 +1,72 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _LIBZFS_CORE_H +#define _LIBZFS_CORE_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +int libzfs_core_init(void); +void libzfs_core_fini(void); + +int lzc_snapshot(nvlist_t *, nvlist_t *, nvlist_t **); +int lzc_create(const char *, dmu_objset_type_t, nvlist_t *); +int lzc_clone(const char *, const char *, nvlist_t *); +int lzc_destroy_snaps(nvlist_t *, boolean_t, nvlist_t **); +int lzc_bookmark(nvlist_t *, nvlist_t **); +int lzc_get_bookmarks(const char *, nvlist_t *, nvlist_t **); +int lzc_destroy_bookmarks(nvlist_t *, nvlist_t **); + +int lzc_snaprange_space(const char *, const char *, uint64_t *); + +int lzc_hold(nvlist_t *, int, nvlist_t **); +int lzc_release(nvlist_t *, nvlist_t **); +int lzc_get_holds(const char *, nvlist_t **); + +enum lzc_send_flags { + LZC_SEND_FLAG_EMBED_DATA = 1 << 0, + LZC_SEND_FLAG_LARGE_BLOCK = 1 << 1 +}; + +int lzc_send(const char *, const char *, int, enum lzc_send_flags); +int lzc_receive(const char *, nvlist_t *, const char *, boolean_t, int); +int lzc_send_space(const char *, const char *, uint64_t *); + +boolean_t lzc_exists(const char *); + +int lzc_rollback(const char *, char *, int); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBZFS_CORE_H */ diff --git a/zfs/include/libzfs_impl.h b/zfs/include/libzfs_impl.h new file mode 100644 index 000000000000..e805e3ee7045 --- /dev/null +++ b/zfs/include/libzfs_impl.h @@ -0,0 +1,222 @@ +/* + * CDDL HEADER SART + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _LIBZFS_IMPL_H +#define _LIBZFS_IMPL_H + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#if defined(HAVE_LIBTOPO) +#include +#endif /* HAVE_LIBTOPO */ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef VERIFY +#undef VERIFY +#endif +#define VERIFY verify + +typedef struct libzfs_fru { + char *zf_device; + char *zf_fru; + struct libzfs_fru *zf_chain; + struct libzfs_fru *zf_next; +} libzfs_fru_t; + +struct libzfs_handle { + int libzfs_error; + int libzfs_fd; + FILE *libzfs_mnttab; + FILE *libzfs_sharetab; + zpool_handle_t *libzfs_pool_handles; + uu_avl_pool_t *libzfs_ns_avlpool; + uu_avl_t *libzfs_ns_avl; + uint64_t libzfs_ns_gen; + int libzfs_desc_active; + char libzfs_action[1024]; + char libzfs_desc[1024]; + int libzfs_printerr; + int libzfs_storeerr; /* stuff error messages into buffer */ + void *libzfs_sharehdl; /* libshare handle */ + uint_t libzfs_shareflags; + boolean_t libzfs_mnttab_enable; + avl_tree_t libzfs_mnttab_cache; + int libzfs_pool_iter; +#if defined(HAVE_LIBTOPO) + topo_hdl_t *libzfs_topo_hdl; + libzfs_fru_t **libzfs_fru_hash; + libzfs_fru_t *libzfs_fru_list; +#endif /* HAVE_LIBTOPO */ + char libzfs_chassis_id[256]; +}; + +#define ZFSSHARE_MISS 0x01 /* Didn't find entry in cache */ + +struct zfs_handle { + libzfs_handle_t *zfs_hdl; + zpool_handle_t *zpool_hdl; + char zfs_name[ZFS_MAXNAMELEN]; + zfs_type_t zfs_type; /* type including snapshot */ + zfs_type_t zfs_head_type; /* type excluding snapshot */ + dmu_objset_stats_t zfs_dmustats; + nvlist_t *zfs_props; + nvlist_t *zfs_user_props; + nvlist_t *zfs_recvd_props; + boolean_t zfs_mntcheck; + char *zfs_mntopts; + uint8_t *zfs_props_table; +}; + +/* + * This is different from checking zfs_type, because it will also catch + * snapshots of volumes. + */ +#define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME) + +struct zpool_handle { + libzfs_handle_t *zpool_hdl; + zpool_handle_t *zpool_next; + char zpool_name[ZPOOL_MAXNAMELEN]; + int zpool_state; + size_t zpool_config_size; + nvlist_t *zpool_config; + nvlist_t *zpool_old_config; + nvlist_t *zpool_props; + diskaddr_t zpool_start_block; +}; + +typedef enum { + PROTO_NFS = 0, + PROTO_SMB = 1, + PROTO_END = 2 +} zfs_share_proto_t; + +/* + * The following can be used as a bitmask and any new values + * added must preserve that capability. + */ +typedef enum { + SHARED_NOT_SHARED = 0x0, + SHARED_NFS = 0x2, + SHARED_SMB = 0x4 +} zfs_share_type_t; + +int zfs_error(libzfs_handle_t *, int, const char *); +int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...); +void zfs_error_aux(libzfs_handle_t *, const char *, ...); +void *zfs_alloc(libzfs_handle_t *, size_t); +void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t); +char *zfs_asprintf(libzfs_handle_t *, const char *, ...); +char *zfs_strdup(libzfs_handle_t *, const char *); +int no_memory(libzfs_handle_t *); + +int zfs_standard_error(libzfs_handle_t *, int, const char *); +int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); +int zpool_standard_error(libzfs_handle_t *, int, const char *); +int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); + +int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***, + size_t *); +zfs_handle_t *make_dataset_handle_zc(libzfs_handle_t *, zfs_cmd_t *); +zfs_handle_t *make_dataset_simple_handle_zc(zfs_handle_t *, zfs_cmd_t *); + +int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t, + nvlist_t *, char **, uint64_t *, const char *); +int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, + zfs_type_t type); + +/* + * Use this changelist_gather() flag to force attempting mounts + * on each change node regardless of whether or not it is currently + * mounted. + */ +#define CL_GATHER_MOUNT_ALWAYS 1 + +typedef struct prop_changelist prop_changelist_t; + +int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t); +int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); +int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); +int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *); +int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **); +void zcmd_free_nvlists(zfs_cmd_t *); + +int changelist_prefix(prop_changelist_t *); +int changelist_postfix(prop_changelist_t *); +void changelist_rename(prop_changelist_t *, const char *, const char *); +void changelist_remove(prop_changelist_t *, const char *); +void changelist_free(prop_changelist_t *); +prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int, int); +int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *); +int changelist_haszonedchild(prop_changelist_t *); + +void remove_mountpoint(zfs_handle_t *); +int create_parents(libzfs_handle_t *, char *, int); +boolean_t isa_child_of(const char *dataset, const char *parent); + +zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *); +zfs_handle_t *make_bookmark_handle(zfs_handle_t *, const char *, + nvlist_t *props); + +int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **); + +boolean_t zpool_name_valid(libzfs_handle_t *, boolean_t, const char *); + +int zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type, + boolean_t modifying); + +void namespace_clear(libzfs_handle_t *); + +/* + * libshare (sharemgr) interfaces used internally. + */ + +extern int zfs_init_libshare(libzfs_handle_t *, int); +extern void zfs_uninit_libshare(libzfs_handle_t *); +extern int zfs_parse_options(char *, zfs_share_proto_t); + +extern int zfs_unshare_proto(zfs_handle_t *, + const char *, zfs_share_proto_t *); + +extern void libzfs_fru_clear(libzfs_handle_t *, boolean_t); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBZFS_IMPL_H */ diff --git a/zfs/include/linux/Makefile.am b/zfs/include/linux/Makefile.am new file mode 100644 index 000000000000..595d1db01128 --- /dev/null +++ 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uninstall-libzfsHEADERS + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/zfs/include/linux/blkdev_compat.h b/zfs/include/linux/blkdev_compat.h new file mode 100644 index 000000000000..8179aca6b9f1 --- /dev/null +++ b/zfs/include/linux/blkdev_compat.h @@ -0,0 +1,511 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * LLNL-CODE-403049. + */ + +#ifndef _ZFS_BLKDEV_H +#define _ZFS_BLKDEV_H + +#include +#include + +#ifndef HAVE_FMODE_T +typedef unsigned __bitwise__ fmode_t; +#endif /* HAVE_FMODE_T */ + +/* + * 4.7 - 4.x API, + * The blk_queue_write_cache() interface has replaced blk_queue_flush() + * interface. However, the new interface is GPL-only thus we implement + * our own trivial wrapper when the GPL-only version is detected. + * + * 2.6.36 - 4.6 API, + * The blk_queue_flush() interface has replaced blk_queue_ordered() + * interface. However, while the old interface was available to all the + * new one is GPL-only. Thus if the GPL-only version is detected we + * implement our own trivial helper. + * + * 2.6.x - 2.6.35 + * Legacy blk_queue_ordered() interface. + */ +static inline void +blk_queue_set_write_cache(struct request_queue *q, bool wc, bool fua) +{ +#if defined(HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY) + spin_lock_irq(q->queue_lock); + if (wc) + queue_flag_set(QUEUE_FLAG_WC, q); + else + queue_flag_clear(QUEUE_FLAG_WC, q); + if (fua) + queue_flag_set(QUEUE_FLAG_FUA, q); + else + queue_flag_clear(QUEUE_FLAG_FUA, q); + spin_unlock_irq(q->queue_lock); +#elif defined(HAVE_BLK_QUEUE_WRITE_CACHE) + blk_queue_write_cache(q, wc, fua); +#elif defined(HAVE_BLK_QUEUE_FLUSH_GPL_ONLY) + if (wc) + q->flush_flags |= REQ_FLUSH; + if (fua) + q->flush_flags |= REQ_FUA; +#elif defined(HAVE_BLK_QUEUE_FLUSH) + blk_queue_flush(q, (wc ? REQ_FLUSH : 0) | (fua ? REQ_FUA : 0)); +#else + blk_queue_ordered(q, QUEUE_ORDERED_DRAIN, NULL); +#endif +} + +/* + * Most of the blk_* macros were removed in 2.6.36. Ostensibly this was + * done to improve readability and allow easier grepping. However, from + * a portability stand point the macros are helpful. Therefore the needed + * macros are redefined here if they are missing from the kernel. + */ +#ifndef blk_fs_request +#define blk_fs_request(rq) ((rq)->cmd_type == REQ_TYPE_FS) +#endif + +/* + * 2.6.27 API change, + * The blk_queue_stackable() queue flag was added in 2.6.27 to handle dm + * stacking drivers. Prior to this request stacking drivers were detected + * by checking (q->request_fn == NULL), for earlier kernels we revert to + * this legacy behavior. + */ +#ifndef blk_queue_stackable +#define blk_queue_stackable(q) ((q)->request_fn == NULL) +#endif + +/* + * 2.6.34 API change, + * The blk_queue_max_hw_sectors() function replaces blk_queue_max_sectors(). + */ +#ifndef HAVE_BLK_QUEUE_MAX_HW_SECTORS +#define blk_queue_max_hw_sectors __blk_queue_max_hw_sectors +static inline void +__blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors) +{ + blk_queue_max_sectors(q, max_hw_sectors); +} +#endif + +/* + * 2.6.34 API change, + * The blk_queue_max_segments() function consolidates + * blk_queue_max_hw_segments() and blk_queue_max_phys_segments(). + */ +#ifndef HAVE_BLK_QUEUE_MAX_SEGMENTS +#define blk_queue_max_segments __blk_queue_max_segments +static inline void +__blk_queue_max_segments(struct request_queue *q, unsigned short max_segments) +{ + blk_queue_max_phys_segments(q, max_segments); + blk_queue_max_hw_segments(q, max_segments); +} +#endif + +#ifndef HAVE_GET_DISK_RO +static inline int +get_disk_ro(struct gendisk *disk) +{ + int policy = 0; + + if (disk->part[0]) + policy = disk->part[0]->policy; + + return (policy); +} +#endif /* HAVE_GET_DISK_RO */ + +#ifdef HAVE_BIO_BVEC_ITER +#define BIO_BI_SECTOR(bio) (bio)->bi_iter.bi_sector +#define BIO_BI_SIZE(bio) (bio)->bi_iter.bi_size +#define BIO_BI_IDX(bio) (bio)->bi_iter.bi_idx +#define bio_for_each_segment4(bv, bvp, b, i) \ + bio_for_each_segment((bv), (b), (i)) +typedef struct bvec_iter bvec_iterator_t; +#else +#define BIO_BI_SECTOR(bio) (bio)->bi_sector +#define BIO_BI_SIZE(bio) (bio)->bi_size +#define BIO_BI_IDX(bio) (bio)->bi_idx +#define bio_for_each_segment4(bv, bvp, b, i) \ + bio_for_each_segment((bvp), (b), (i)) +typedef int bvec_iterator_t; +#endif + +/* + * Portable helper for correctly setting the FAILFAST flags. The + * correct usage has changed 3 times from 2.6.12 to 2.6.38. + */ +static inline void +bio_set_flags_failfast(struct block_device *bdev, int *flags) +{ +#ifdef CONFIG_BUG + /* + * Disable FAILFAST for loopback devices because of the + * following incorrect BUG_ON() in loop_make_request(). + * This support is also disabled for md devices because the + * test suite layers md devices on top of loopback devices. + * This may be removed when the loopback driver is fixed. + * + * BUG_ON(!lo || (rw != READ && rw != WRITE)); + */ + if ((MAJOR(bdev->bd_dev) == LOOP_MAJOR) || + (MAJOR(bdev->bd_dev) == MD_MAJOR)) + return; + +#ifdef BLOCK_EXT_MAJOR + if (MAJOR(bdev->bd_dev) == BLOCK_EXT_MAJOR) + return; +#endif /* BLOCK_EXT_MAJOR */ +#endif /* CONFIG_BUG */ + +#if defined(HAVE_BIO_RW_FAILFAST_DTD) + /* BIO_RW_FAILFAST_* preferred interface from 2.6.28 - 2.6.35 */ + *flags |= ( + (1 << BIO_RW_FAILFAST_DEV) | + (1 << BIO_RW_FAILFAST_TRANSPORT) | + (1 << BIO_RW_FAILFAST_DRIVER)); +#elif defined(HAVE_REQ_FAILFAST_MASK) + /* + * REQ_FAILFAST_* preferred interface from 2.6.36 - 2.6.xx, + * the BIO_* and REQ_* flags were unified under REQ_* flags. + */ + *flags |= REQ_FAILFAST_MASK; +#else +#error "Undefined block IO FAILFAST interface." +#endif +} + +/* + * Maximum disk label length, it may be undefined for some kernels. + */ +#ifndef DISK_NAME_LEN +#define DISK_NAME_LEN 32 +#endif /* DISK_NAME_LEN */ + +/* + * 4.3 API change + * The bio_endio() prototype changed slightly. These are helper + * macro's to ensure the prototype and invocation are handled. + */ +#ifdef HAVE_1ARG_BIO_END_IO_T +#define BIO_END_IO_PROTO(fn, x, z) static void fn(struct bio *x) +#define BIO_END_IO(bio, error) bio->bi_error = error; bio_endio(bio); +#else +#define BIO_END_IO_PROTO(fn, x, z) static void fn(struct bio *x, int z) +#define BIO_END_IO(bio, error) bio_endio(bio, error); +#endif /* HAVE_1ARG_BIO_END_IO_T */ + +/* + * 2.6.38 - 2.6.x API, + * blkdev_get_by_path() + * blkdev_put() + * + * 2.6.28 - 2.6.37 API, + * open_bdev_exclusive() + * close_bdev_exclusive() + * + * 2.6.12 - 2.6.27 API, + * open_bdev_excl() + * close_bdev_excl() + * + * Used to exclusively open a block device from within the kernel. + */ +#if defined(HAVE_BLKDEV_GET_BY_PATH) +#define vdev_bdev_open(path, md, hld) blkdev_get_by_path(path, \ + (md) | FMODE_EXCL, hld) +#define vdev_bdev_close(bdev, md) blkdev_put(bdev, (md) | FMODE_EXCL) +#elif defined(HAVE_OPEN_BDEV_EXCLUSIVE) +#define vdev_bdev_open(path, md, hld) open_bdev_exclusive(path, md, hld) +#define vdev_bdev_close(bdev, md) close_bdev_exclusive(bdev, md) +#else +#define vdev_bdev_open(path, md, hld) open_bdev_excl(path, md, hld) +#define vdev_bdev_close(bdev, md) close_bdev_excl(bdev) +#endif /* HAVE_BLKDEV_GET_BY_PATH | HAVE_OPEN_BDEV_EXCLUSIVE */ + +/* + * 2.6.22 API change + * The function invalidate_bdev() lost it's second argument because + * it was unused. + */ +#ifdef HAVE_1ARG_INVALIDATE_BDEV +#define vdev_bdev_invalidate(bdev) invalidate_bdev(bdev) +#else +#define vdev_bdev_invalidate(bdev) invalidate_bdev(bdev, 1) +#endif /* HAVE_1ARG_INVALIDATE_BDEV */ + +/* + * 2.6.27 API change + * The function was exported for use, prior to this it existed but the + * symbol was not exported. + * + * 4.4.0-6.21 API change for Ubuntu + * lookup_bdev() gained a second argument, FMODE_*, to check inode permissions. + */ +#ifdef HAVE_1ARG_LOOKUP_BDEV +#define vdev_lookup_bdev(path) lookup_bdev(path) +#else +#ifdef HAVE_2ARGS_LOOKUP_BDEV +#define vdev_lookup_bdev(path) lookup_bdev(path, 0) +#else +#define vdev_lookup_bdev(path) ERR_PTR(-ENOTSUP) +#endif /* HAVE_2ARGS_LOOKUP_BDEV */ +#endif /* HAVE_1ARG_LOOKUP_BDEV */ + +/* + * 2.6.30 API change + * To ensure good performance preferentially use the physical block size + * for proper alignment. The physical size is supposed to be the internal + * sector size used by the device. This is often 4096 byte for AF devices, + * while a smaller 512 byte logical size is supported for compatibility. + * + * Unfortunately, many drives still misreport their physical sector size. + * For devices which are known to lie you may need to manually set this + * at pool creation time with 'zpool create -o ashift=12 ...'. + * + * When the physical block size interface isn't available, we fall back to + * the logical block size interface and then the older hard sector size. + */ +#ifdef HAVE_BDEV_PHYSICAL_BLOCK_SIZE +#define vdev_bdev_block_size(bdev) bdev_physical_block_size(bdev) +#else +#ifdef HAVE_BDEV_LOGICAL_BLOCK_SIZE +#define vdev_bdev_block_size(bdev) bdev_logical_block_size(bdev) +#else +#define vdev_bdev_block_size(bdev) bdev_hardsect_size(bdev) +#endif /* HAVE_BDEV_LOGICAL_BLOCK_SIZE */ +#endif /* HAVE_BDEV_PHYSICAL_BLOCK_SIZE */ + +#ifndef HAVE_BIO_SET_OP_ATTRS +/* + * Kernels without bio_set_op_attrs use bi_rw for the bio flags. + */ +static inline void +bio_set_op_attrs(struct bio *bio, unsigned rw, unsigned flags) +{ + bio->bi_rw |= rw | flags; +} +#endif + +/* + * bio_set_flush - Set the appropriate flags in a bio to guarantee + * data are on non-volatile media on completion. + * + * 2.6.X - 2.6.36 API, + * WRITE_BARRIER - Tells the block layer to commit all previously submitted + * writes to stable storage before this one is started and that the current + * write is on stable storage upon completion. Also prevents reordering + * on both sides of the current operation. + * + * 2.6.37 - 4.8 API, + * Introduce WRITE_FLUSH, WRITE_FUA, and WRITE_FLUSH_FUA flags as a + * replacement for WRITE_BARRIER to allow expressing richer semantics + * to the block layer. It's up to the block layer to implement the + * semantics correctly. Use the WRITE_FLUSH_FUA flag combination. + * + * 4.8 - 4.9 API, + * REQ_FLUSH was renamed to REQ_PREFLUSH. For consistency with previous + * ZoL releases, prefer the WRITE_FLUSH_FUA flag set if it's available. + * + * 4.10 API, + * The read/write flags and their modifiers, including WRITE_FLUSH, + * WRITE_FUA and WRITE_FLUSH_FUA were removed from fs.h in + * torvalds/linux@70fd7614 and replaced by direct flag modification + * of the REQ_ flags in bio->bi_opf. Use REQ_PREFLUSH. + */ +static inline void +bio_set_flush(struct bio *bio) +{ +#if defined(WRITE_BARRIER) /* < 2.6.37 */ + bio_set_op_attrs(bio, 0, WRITE_BARRIER); +#elif defined(WRITE_FLUSH_FUA) /* >= 2.6.37 and <= 4.9 */ + bio_set_op_attrs(bio, 0, WRITE_FLUSH_FUA); +#elif defined(REQ_PREFLUSH) /* >= 4.10 */ + bio_set_op_attrs(bio, 0, REQ_PREFLUSH); +#else +#error "Allowing the build will cause bio_set_flush requests to be ignored." + "Please file an issue report at: " + "https://github.com/zfsonlinux/zfs/issues/new" +#endif +} + +/* + * 4.8 - 4.x API, + * REQ_OP_FLUSH + * + * 4.8-rc0 - 4.8-rc1, + * REQ_PREFLUSH + * + * 2.6.36 - 4.7 API, + * REQ_FLUSH + * + * 2.6.x - 2.6.35 API, + * HAVE_BIO_RW_BARRIER + * + * Used to determine if a cache flush has been requested. This check has + * been left intentionally broad in order to cover both a legacy flush + * and the new preflush behavior introduced in Linux 4.8. This is correct + * in all cases but may have a performance impact for some kernels. It + * has the advantage of minimizing kernel specific changes in the zvol code. + * + * Note that 2.6.32 era kernels provide both BIO_RW_BARRIER and REQ_FLUSH, + * where BIO_RW_BARRIER is the correct interface. Therefore, it is important + * that the HAVE_BIO_RW_BARRIER check occur before the REQ_FLUSH check. + */ +static inline boolean_t +bio_is_flush(struct bio *bio) +{ +#if defined(HAVE_REQ_OP_FLUSH) && defined(HAVE_BIO_BI_OPF) + return ((bio_op(bio) == REQ_OP_FLUSH) || (bio->bi_opf & REQ_PREFLUSH)); +#elif defined(REQ_PREFLUSH) && defined(HAVE_BIO_BI_OPF) + return (bio->bi_opf & REQ_PREFLUSH); +#elif defined(REQ_PREFLUSH) && !defined(HAVE_BIO_BI_OPF) + return (bio->bi_rw & REQ_PREFLUSH); +#elif defined(HAVE_BIO_RW_BARRIER) + return (bio->bi_rw & (1 << BIO_RW_BARRIER)); +#elif defined(REQ_FLUSH) + return (bio->bi_rw & REQ_FLUSH); +#else +#error "Allowing the build will cause flush requests to be ignored. Please " + "file an issue report at: https://github.com/zfsonlinux/zfs/issues/new" +#endif +} + +/* + * 4.8 - 4.x API, + * REQ_FUA flag moved to bio->bi_opf + * + * 2.6.x - 4.7 API, + * REQ_FUA + */ +static inline boolean_t +bio_is_fua(struct bio *bio) +{ +#if defined(HAVE_BIO_BI_OPF) + return (bio->bi_opf & REQ_FUA); +#elif defined(REQ_FUA) + return (bio->bi_rw & REQ_FUA); +#else +#error "Allowing the build will cause fua requests to be ignored. Please " + "file an issue report at: https://github.com/zfsonlinux/zfs/issues/new" +#endif +} + +/* + * 4.8 - 4.x API, + * REQ_OP_DISCARD + * + * 2.6.36 - 4.7 API, + * REQ_DISCARD + * + * 2.6.28 - 2.6.35 API, + * BIO_RW_DISCARD + * + * In all cases the normal I/O path is used for discards. The only + * difference is how the kernel tags individual I/Os as discards. + * + * Note that 2.6.32 era kernels provide both BIO_RW_DISCARD and REQ_DISCARD, + * where BIO_RW_DISCARD is the correct interface. Therefore, it is important + * that the HAVE_BIO_RW_DISCARD check occur before the REQ_DISCARD check. + */ +static inline boolean_t +bio_is_discard(struct bio *bio) +{ +#if defined(HAVE_REQ_OP_DISCARD) + return (bio_op(bio) == REQ_OP_DISCARD); +#elif defined(HAVE_BIO_RW_DISCARD) + return (bio->bi_rw & (1 << BIO_RW_DISCARD)); +#elif defined(REQ_DISCARD) + return (bio->bi_rw & REQ_DISCARD); +#else +#error "Allowing the build will cause discard requests to become writes " + "potentially triggering the DMU_MAX_ACCESS assertion. Please file " + "an issue report at: https://github.com/zfsonlinux/zfs/issues/new" +#endif +} + +/* + * 4.8 - 4.x API, + * REQ_OP_SECURE_ERASE + * + * 2.6.36 - 4.7 API, + * REQ_SECURE + * + * 2.6.x - 2.6.35 API, + * Unsupported by kernel + */ +static inline boolean_t +bio_is_secure_erase(struct bio *bio) +{ +#if defined(HAVE_REQ_OP_SECURE_ERASE) + return (bio_op(bio) == REQ_OP_SECURE_ERASE); +#elif defined(REQ_SECURE) + return (bio->bi_rw & REQ_SECURE); +#else + return (0); +#endif +} + +/* + * 2.6.33 API change + * Discard granularity and alignment restrictions may now be set. For + * older kernels which do not support this it is safe to skip it. + */ +#ifdef HAVE_DISCARD_GRANULARITY +static inline void +blk_queue_discard_granularity(struct request_queue *q, unsigned int dg) +{ + q->limits.discard_granularity = dg; +} +#else +#define blk_queue_discard_granularity(x, dg) ((void)0) +#endif /* HAVE_DISCARD_GRANULARITY */ + +/* + * Default Linux IO Scheduler, + * Setting the scheduler to noop will allow the Linux IO scheduler to + * still perform front and back merging, while leaving the request + * ordering and prioritization to the ZFS IO scheduler. + */ +#define VDEV_SCHEDULER "noop" + +/* + * A common holder for vdev_bdev_open() is used to relax the exclusive open + * semantics slightly. Internal vdev disk callers may pass VDEV_HOLDER to + * allow them to open the device multiple times. Other kernel callers and + * user space processes which don't pass this value will get EBUSY. This is + * currently required for the correct operation of hot spares. + */ +#define VDEV_HOLDER ((void *)0x2401de7) + +#ifndef HAVE_GENERIC_IO_ACCT +#define generic_start_io_acct(rw, slen, part) ((void)0) +#define generic_end_io_acct(rw, part, start_jiffies) ((void)0) +#endif + +#endif /* _ZFS_BLKDEV_H */ diff --git a/zfs/include/linux/dcache_compat.h b/zfs/include/linux/dcache_compat.h new file mode 100644 index 000000000000..bdaa5db3e6d2 --- /dev/null +++ b/zfs/include/linux/dcache_compat.h @@ -0,0 +1,83 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + */ + +#ifndef _ZFS_DCACHE_H +#define _ZFS_DCACHE_H + +#include + +#define dname(dentry) ((char *)((dentry)->d_name.name)) +#define dlen(dentry) ((int)((dentry)->d_name.len)) + +#ifndef HAVE_D_MAKE_ROOT +#define d_make_root(inode) d_alloc_root(inode) +#endif /* HAVE_D_MAKE_ROOT */ + +/* + * 2.6.30 API change, + * The const keyword was added to the 'struct dentry_operations' in + * the dentry structure. To handle this we define an appropriate + * dentry_operations_t typedef which can be used. + */ +#ifdef HAVE_CONST_DENTRY_OPERATIONS +typedef const struct dentry_operations dentry_operations_t; +#else +typedef struct dentry_operations dentry_operations_t; +#endif + +/* + * 2.6.38 API change, + * Added d_set_d_op() helper function which sets some flags in + * dentry->d_flags based on which operations are defined. + */ +#ifndef HAVE_D_SET_D_OP +static inline void +d_set_d_op(struct dentry *dentry, dentry_operations_t *op) +{ + dentry->d_op = op; +} +#endif /* HAVE_D_SET_D_OP */ + +/* + * 2.6.38 API addition, + * Added d_clear_d_op() helper function which clears some flags and the + * registered dentry->d_op table. This is required because d_set_d_op() + * issues a warning when the dentry operations table is already set. + * For the .zfs control directory to work properly we must be able to + * override the default operations table and register custom .d_automount + * and .d_revalidate callbacks. + */ +static inline void +d_clear_d_op(struct dentry *dentry) +{ +#ifdef HAVE_D_SET_D_OP + dentry->d_op = NULL; + dentry->d_flags &= ~( + DCACHE_OP_HASH | DCACHE_OP_COMPARE | + DCACHE_OP_REVALIDATE | DCACHE_OP_DELETE); +#endif /* HAVE_D_SET_D_OP */ +} + +#endif /* _ZFS_DCACHE_H */ diff --git a/zfs/include/linux/kmap_compat.h b/zfs/include/linux/kmap_compat.h new file mode 100644 index 000000000000..59ae566ce9d7 --- /dev/null +++ b/zfs/include/linux/kmap_compat.h @@ -0,0 +1,40 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2015 by Chunwei Chen. All rights reserved. + */ + +#ifndef _ZFS_KMAP_H +#define _ZFS_KMAP_H + +#include + +#ifdef HAVE_1ARG_KMAP_ATOMIC +/* 2.6.37 API change */ +#define zfs_kmap_atomic(page, km_type) kmap_atomic(page) +#define zfs_kunmap_atomic(addr, km_type) kunmap_atomic(addr) +#else +#define zfs_kmap_atomic(page, km_type) kmap_atomic(page, km_type) +#define zfs_kunmap_atomic(addr, km_type) kunmap_atomic(addr, km_type) +#endif + +#endif /* _ZFS_KMAP_H */ diff --git a/zfs/include/linux/utsname_compat.h b/zfs/include/linux/utsname_compat.h new file mode 100644 index 000000000000..88da45cf504e --- /dev/null +++ b/zfs/include/linux/utsname_compat.h @@ -0,0 +1,29 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#ifndef _ZFS_UTSNAME_H +#define _ZFS_UTSNAME_H + +#include + +typedef struct new_utsname utsname_t; + +#endif /* _ZFS_UTSNAME_H */ diff --git a/zfs/include/linux/vfs_compat.h b/zfs/include/linux/vfs_compat.h new file mode 100644 index 000000000000..2350fa506c6d --- /dev/null +++ b/zfs/include/linux/vfs_compat.h @@ -0,0 +1,371 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Copyright (C) 2015 Jörg Thalheim. + */ + +#ifndef _ZFS_VFS_H +#define _ZFS_VFS_H + +#include +#include + +/* + * 2.6.28 API change, + * Added insert_inode_locked() helper function, prior to this most callers + * used insert_inode_hash(). The older method doesn't check for collisions + * in the inode_hashtable but it still acceptible for use. + */ +#ifndef HAVE_INSERT_INODE_LOCKED +static inline int +insert_inode_locked(struct inode *ip) +{ + insert_inode_hash(ip); + return (0); +} +#endif /* HAVE_INSERT_INODE_LOCKED */ + +/* + * 2.6.35 API change, + * Add truncate_setsize() if it is not exported by the Linux kernel. + * + * Truncate the inode and pages associated with the inode. The pages are + * unmapped and removed from cache. + */ +#ifndef HAVE_TRUNCATE_SETSIZE +static inline void +truncate_setsize(struct inode *ip, loff_t new) +{ + struct address_space *mapping = ip->i_mapping; + + i_size_write(ip, new); + + unmap_mapping_range(mapping, new + PAGE_SIZE - 1, 0, 1); + truncate_inode_pages(mapping, new); + unmap_mapping_range(mapping, new + PAGE_SIZE - 1, 0, 1); +} +#endif /* HAVE_TRUNCATE_SETSIZE */ + +/* + * 2.6.32 - 2.6.33, bdi_setup_and_register() is not available. + * 2.6.34 - 3.19, bdi_setup_and_register() takes 3 arguments. + * 4.0 - x.y, bdi_setup_and_register() takes 2 arguments. + */ +#if defined(HAVE_2ARGS_BDI_SETUP_AND_REGISTER) +static inline int +zpl_bdi_setup_and_register(struct backing_dev_info *bdi, char *name) +{ + return (bdi_setup_and_register(bdi, name)); +} +#elif defined(HAVE_3ARGS_BDI_SETUP_AND_REGISTER) +static inline int +zpl_bdi_setup_and_register(struct backing_dev_info *bdi, char *name) +{ + return (bdi_setup_and_register(bdi, name, BDI_CAP_MAP_COPY)); +} +#else +extern atomic_long_t zfs_bdi_seq; + +static inline int +zpl_bdi_setup_and_register(struct backing_dev_info *bdi, char *name) +{ + char tmp[32]; + int error; + + bdi->name = name; + bdi->capabilities = BDI_CAP_MAP_COPY; + + error = bdi_init(bdi); + if (error) + return (error); + + sprintf(tmp, "%.28s%s", name, "-%d"); + error = bdi_register(bdi, NULL, tmp, + atomic_long_inc_return(&zfs_bdi_seq)); + if (error) { + bdi_destroy(bdi); + return (error); + } + + return (error); +} +#endif + +/* + * 2.6.38 API change, + * LOOKUP_RCU flag introduced to distinguish rcu-walk from ref-walk cases. + */ +#ifndef LOOKUP_RCU +#define LOOKUP_RCU 0x0 +#endif /* LOOKUP_RCU */ + +/* + * 3.2-rc1 API change, + * Add set_nlink() if it is not exported by the Linux kernel. + * + * i_nlink is read-only in Linux 3.2, but it can be set directly in + * earlier kernels. + */ +#ifndef HAVE_SET_NLINK +static inline void +set_nlink(struct inode *inode, unsigned int nlink) +{ + inode->i_nlink = nlink; +} +#endif /* HAVE_SET_NLINK */ + +/* + * 3.3 API change, + * The VFS .create, .mkdir and .mknod callbacks were updated to take a + * umode_t type rather than an int. To cleanly handle both definitions + * the zpl_umode_t type is introduced and set accordingly. + */ +#ifdef HAVE_MKDIR_UMODE_T +typedef umode_t zpl_umode_t; +#else +typedef int zpl_umode_t; +#endif + +/* + * 3.5 API change, + * The clear_inode() function replaces end_writeback() and introduces an + * ordering change regarding when the inode_sync_wait() occurs. See the + * configure check in config/kernel-clear-inode.m4 for full details. + */ +#if defined(HAVE_EVICT_INODE) && !defined(HAVE_CLEAR_INODE) +#define clear_inode(ip) end_writeback(ip) +#endif /* HAVE_EVICT_INODE && !HAVE_CLEAR_INODE */ + +/* + * 3.6 API change, + * The sget() helper function now takes the mount flags as an argument. + */ +#ifdef HAVE_5ARG_SGET +#define zpl_sget(type, cmp, set, fl, mtd) sget(type, cmp, set, fl, mtd) +#else +#define zpl_sget(type, cmp, set, fl, mtd) sget(type, cmp, set, mtd) +#endif /* HAVE_5ARG_SGET */ + +#if defined(SEEK_HOLE) && defined(SEEK_DATA) && !defined(HAVE_LSEEK_EXECUTE) +static inline loff_t +lseek_execute( + struct file *filp, + struct inode *inode, + loff_t offset, + loff_t maxsize) +{ + if (offset < 0 && !(filp->f_mode & FMODE_UNSIGNED_OFFSET)) + return (-EINVAL); + + if (offset > maxsize) + return (-EINVAL); + + if (offset != filp->f_pos) { + spin_lock(&filp->f_lock); + filp->f_pos = offset; + filp->f_version = 0; + spin_unlock(&filp->f_lock); + } + + return (offset); +} +#endif /* SEEK_HOLE && SEEK_DATA && !HAVE_LSEEK_EXECUTE */ + +#if defined(CONFIG_FS_POSIX_ACL) +/* + * These functions safely approximates the behavior of posix_acl_release() + * which cannot be used because it calls the GPL-only symbol kfree_rcu(). + * The in-kernel version, which can access the RCU, frees the ACLs after + * the grace period expires. Because we're unsure how long that grace + * period may be this implementation conservatively delays for 60 seconds. + * This is several orders of magnitude larger than expected grace period. + * At 60 seconds the kernel will also begin issuing RCU stall warnings. + */ +#include + +#if defined(HAVE_POSIX_ACL_RELEASE) && !defined(HAVE_POSIX_ACL_RELEASE_GPL_ONLY) +#define zpl_posix_acl_release(arg) posix_acl_release(arg) +#else +void zpl_posix_acl_release_impl(struct posix_acl *); + +static inline void +zpl_posix_acl_release(struct posix_acl *acl) +{ + if ((acl == NULL) || (acl == ACL_NOT_CACHED)) + return; + + if (atomic_dec_and_test(&acl->a_refcount)) + zpl_posix_acl_release_impl(acl); +} +#endif /* HAVE_POSIX_ACL_RELEASE */ + +#ifdef HAVE_SET_CACHED_ACL_USABLE +#define zpl_set_cached_acl(ip, ty, n) set_cached_acl(ip, ty, n) +#define zpl_forget_cached_acl(ip, ty) forget_cached_acl(ip, ty) +#else +static inline void +zpl_set_cached_acl(struct inode *ip, int type, struct posix_acl *newer) { + struct posix_acl *older = NULL; + + spin_lock(&ip->i_lock); + + if ((newer != ACL_NOT_CACHED) && (newer != NULL)) + posix_acl_dup(newer); + + switch (type) { + case ACL_TYPE_ACCESS: + older = ip->i_acl; + rcu_assign_pointer(ip->i_acl, newer); + break; + case ACL_TYPE_DEFAULT: + older = ip->i_default_acl; + rcu_assign_pointer(ip->i_default_acl, newer); + break; + } + + spin_unlock(&ip->i_lock); + + zpl_posix_acl_release(older); +} + +static inline void +zpl_forget_cached_acl(struct inode *ip, int type) { + zpl_set_cached_acl(ip, type, (struct posix_acl *)ACL_NOT_CACHED); +} +#endif /* HAVE_SET_CACHED_ACL_USABLE */ + +#ifndef HAVE___POSIX_ACL_CHMOD +#ifdef HAVE_POSIX_ACL_CHMOD +#define __posix_acl_chmod(acl, gfp, mode) posix_acl_chmod(acl, gfp, mode) +#define __posix_acl_create(acl, gfp, mode) posix_acl_create(acl, gfp, mode) +#else +static inline int +__posix_acl_chmod(struct posix_acl **acl, int flags, umode_t umode) { + struct posix_acl *oldacl = *acl; + mode_t mode = umode; + int error; + + *acl = posix_acl_clone(*acl, flags); + zpl_posix_acl_release(oldacl); + + if (!(*acl)) + return (-ENOMEM); + + error = posix_acl_chmod_masq(*acl, mode); + if (error) { + zpl_posix_acl_release(*acl); + *acl = NULL; + } + + return (error); +} + +static inline int +__posix_acl_create(struct posix_acl **acl, int flags, umode_t *umodep) { + struct posix_acl *oldacl = *acl; + mode_t mode = *umodep; + int error; + + *acl = posix_acl_clone(*acl, flags); + zpl_posix_acl_release(oldacl); + + if (!(*acl)) + return (-ENOMEM); + + error = posix_acl_create_masq(*acl, &mode); + *umodep = mode; + + if (error < 0) { + zpl_posix_acl_release(*acl); + *acl = NULL; + } + + return (error); +} +#endif /* HAVE_POSIX_ACL_CHMOD */ +#endif /* HAVE___POSIX_ACL_CHMOD */ + +#ifdef HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T +typedef umode_t zpl_equivmode_t; +#else +typedef mode_t zpl_equivmode_t; +#endif /* HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T */ + +/* + * 4.8 API change, + * posix_acl_valid() now must be passed a namespace, the namespace from + * from super block associated with the given inode is used for this purpose. + */ +#ifdef HAVE_POSIX_ACL_VALID_WITH_NS +#define zpl_posix_acl_valid(ip, acl) posix_acl_valid(ip->i_sb->s_user_ns, acl) +#else +#define zpl_posix_acl_valid(ip, acl) posix_acl_valid(acl) +#endif + +#endif /* CONFIG_FS_POSIX_ACL */ + +/* + * 2.6.38 API change, + * The is_owner_or_cap() function was renamed to inode_owner_or_capable(). + */ +#ifdef HAVE_INODE_OWNER_OR_CAPABLE +#define zpl_inode_owner_or_capable(ip) inode_owner_or_capable(ip) +#else +#define zpl_inode_owner_or_capable(ip) is_owner_or_cap(ip) +#endif /* HAVE_INODE_OWNER_OR_CAPABLE */ + +/* + * 3.19 API change + * struct access f->f_dentry->d_inode was replaced by accessor function + * file_inode(f) + */ +#ifndef HAVE_FILE_INODE +static inline struct inode *file_inode(const struct file *f) +{ + return (f->f_dentry->d_inode); +} +#endif /* HAVE_FILE_INODE */ + +/* + * 2.6.38 API change + */ +#ifdef HAVE_FOLLOW_DOWN_ONE +#define zpl_follow_down_one(path) follow_down_one(path) +#define zpl_follow_up(path) follow_up(path) +#else +#define zpl_follow_down_one(path) follow_down(path) +#define zpl_follow_up(path) follow_up(path) +#endif + +/* + * 4.9 API change + */ +#ifndef HAVE_SETATTR_PREPARE +static inline int +setattr_prepare(struct dentry *dentry, struct iattr *ia) +{ + return (inode_change_ok(dentry->d_inode, ia)); +} +#endif + +#endif /* _ZFS_VFS_H */ diff --git a/zfs/include/linux/xattr_compat.h b/zfs/include/linux/xattr_compat.h new file mode 100644 index 000000000000..b1c4293077c8 --- /dev/null +++ b/zfs/include/linux/xattr_compat.h @@ -0,0 +1,251 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + */ + +#ifndef _ZFS_XATTR_H +#define _ZFS_XATTR_H + +#include + +/* + * 2.6.35 API change, + * The const keyword was added to the 'struct xattr_handler' in the + * generic Linux super_block structure. To handle this we define an + * appropriate xattr_handler_t typedef which can be used. This was + * the preferred solution because it keeps the code clean and readable. + */ +#ifdef HAVE_CONST_XATTR_HANDLER +typedef const struct xattr_handler xattr_handler_t; +#else +typedef struct xattr_handler xattr_handler_t; +#endif + +/* + * 3.7 API change, + * Preferred XATTR_NAME_* definitions introduced, these are mapped to + * the previous definitions for older kernels. + */ +#ifndef XATTR_NAME_POSIX_ACL_DEFAULT +#define XATTR_NAME_POSIX_ACL_DEFAULT POSIX_ACL_XATTR_DEFAULT +#endif + +#ifndef XATTR_NAME_POSIX_ACL_ACCESS +#define XATTR_NAME_POSIX_ACL_ACCESS POSIX_ACL_XATTR_ACCESS +#endif + +/* + * 4.5 API change, + */ +#if defined(HAVE_XATTR_LIST_SIMPLE) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static bool \ +fn(struct dentry *dentry) \ +{ \ + return (!!__ ## fn(dentry->d_inode, NULL, 0, NULL, 0)); \ +} +/* + * 4.4 API change, + */ +#elif defined(HAVE_XATTR_LIST_DENTRY) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static size_t \ +fn(struct dentry *dentry, char *list, size_t list_size, \ + const char *name, size_t name_len, int type) \ +{ \ + return (__ ## fn(dentry->d_inode, \ + list, list_size, name, name_len)); \ +} +/* + * 2.6.33 API change, + */ +#elif defined(HAVE_XATTR_LIST_HANDLER) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static size_t \ +fn(const struct xattr_handler *handler, struct dentry *dentry, \ + char *list, size_t list_size, const char *name, size_t name_len) \ +{ \ + return (__ ## fn(dentry->d_inode, \ + list, list_size, name, name_len)); \ +} +/* + * 2.6.32 API + */ +#elif defined(HAVE_XATTR_LIST_INODE) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static size_t \ +fn(struct inode *ip, char *list, size_t list_size, \ + const char *name, size_t name_len) \ +{ \ + return (__ ## fn(ip, list, list_size, name, name_len)); \ +} +#endif + +/* + * 4.7 API change, + * The xattr_handler->get() callback was changed to take a both dentry and + * inode, because the dentry might not be attached to an inode yet. + */ +#if defined(HAVE_XATTR_GET_DENTRY_INODE) +#define ZPL_XATTR_GET_WRAPPER(fn) \ +static int \ +fn(const struct xattr_handler *handler, struct dentry *dentry, \ + struct inode *inode, const char *name, void *buffer, size_t size) \ +{ \ + return (__ ## fn(inode, name, buffer, size)); \ +} +/* + * 4.4 API change, + * The xattr_handler->get() callback was changed to take a xattr_handler, + * and handler_flags argument was removed and should be accessed by + * handler->flags. + */ +#elif defined(HAVE_XATTR_GET_HANDLER) +#define ZPL_XATTR_GET_WRAPPER(fn) \ +static int \ +fn(const struct xattr_handler *handler, struct dentry *dentry, \ + const char *name, void *buffer, size_t size) \ +{ \ + return (__ ## fn(dentry->d_inode, name, buffer, size)); \ +} +/* + * 2.6.33 API change, + * The xattr_handler->get() callback was changed to take a dentry + * instead of an inode, and a handler_flags argument was added. + */ +#elif defined(HAVE_XATTR_GET_DENTRY) +#define ZPL_XATTR_GET_WRAPPER(fn) \ +static int \ +fn(struct dentry *dentry, const char *name, void *buffer, size_t size, \ + int unused_handler_flags) \ +{ \ + return (__ ## fn(dentry->d_inode, name, buffer, size)); \ +} +/* + * 2.6.32 API + */ +#elif defined(HAVE_XATTR_GET_INODE) +#define ZPL_XATTR_GET_WRAPPER(fn) \ +static int \ +fn(struct inode *ip, const char *name, void *buffer, size_t size) \ +{ \ + return (__ ## fn(ip, name, buffer, size)); \ +} +#endif + +/* + * 4.7 API change, + * The xattr_handler->set() callback was changed to take a both dentry and + * inode, because the dentry might not be attached to an inode yet. + */ +#if defined(HAVE_XATTR_SET_DENTRY_INODE) +#define ZPL_XATTR_SET_WRAPPER(fn) \ +static int \ +fn(const struct xattr_handler *handler, struct dentry *dentry, \ + struct inode *inode, const char *name, const void *buffer, \ + size_t size, int flags) \ +{ \ + return (__ ## fn(inode, name, buffer, size, flags)); \ +} +/* + * 4.4 API change, + * The xattr_handler->set() callback was changed to take a xattr_handler, + * and handler_flags argument was removed and should be accessed by + * handler->flags. + */ +#elif defined(HAVE_XATTR_SET_HANDLER) +#define ZPL_XATTR_SET_WRAPPER(fn) \ +static int \ +fn(const struct xattr_handler *handler, struct dentry *dentry, \ + const char *name, const void *buffer, size_t size, int flags) \ +{ \ + return (__ ## fn(dentry->d_inode, name, buffer, size, flags)); \ +} +/* + * 2.6.33 API change, + * The xattr_handler->set() callback was changed to take a dentry + * instead of an inode, and a handler_flags argument was added. + */ +#elif defined(HAVE_XATTR_SET_DENTRY) +#define ZPL_XATTR_SET_WRAPPER(fn) \ +static int \ +fn(struct dentry *dentry, const char *name, const void *buffer, \ + size_t size, int flags, int unused_handler_flags) \ +{ \ + return (__ ## fn(dentry->d_inode, name, buffer, size, flags)); \ +} +/* + * 2.6.32 API + */ +#elif defined(HAVE_XATTR_SET_INODE) +#define ZPL_XATTR_SET_WRAPPER(fn) \ +static int \ +fn(struct inode *ip, const char *name, const void *buffer, \ + size_t size, int flags) \ +{ \ + return (__ ## fn(ip, name, buffer, size, flags)); \ +} +#endif + +#ifdef HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY +#define zpl_security_inode_init_security(ip, dip, qstr, nm, val, len) \ + security_inode_init_security(ip, dip, qstr, nm, val, len) +#else +#define zpl_security_inode_init_security(ip, dip, qstr, nm, val, len) \ + security_inode_init_security(ip, dip, nm, val, len) +#endif /* HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY */ + +/* + * Linux 3.7 API change. posix_acl_{from,to}_xattr gained the user_ns + * parameter. All callers are expected to pass the &init_user_ns which + * is available through the init credential (kcred). + */ +#ifdef HAVE_POSIX_ACL_FROM_XATTR_USERNS +static inline struct posix_acl * +zpl_acl_from_xattr(const void *value, int size) +{ + return (posix_acl_from_xattr(kcred->user_ns, value, size)); +} + +static inline int +zpl_acl_to_xattr(struct posix_acl *acl, void *value, int size) +{ + return (posix_acl_to_xattr(kcred->user_ns, acl, value, size)); +} + +#else + +static inline struct posix_acl * +zpl_acl_from_xattr(const void *value, int size) +{ + return (posix_acl_from_xattr(value, size)); +} + +static inline int +zpl_acl_to_xattr(struct posix_acl *acl, void *value, int size) +{ + return (posix_acl_to_xattr(acl, value, size)); +} +#endif /* HAVE_POSIX_ACL_FROM_XATTR_USERNS */ + +#endif /* _ZFS_XATTR_H */ diff --git a/zfs/include/sys/Makefile.am b/zfs/include/sys/Makefile.am new file mode 100644 index 000000000000..77ecfb2dcf8e --- /dev/null +++ b/zfs/include/sys/Makefile.am @@ -0,0 +1,119 @@ +SUBDIRS = fm fs + +COMMON_H = \ + $(top_srcdir)/include/sys/arc.h \ + $(top_srcdir)/include/sys/arc_impl.h \ + $(top_srcdir)/include/sys/avl.h \ + $(top_srcdir)/include/sys/avl_impl.h \ + $(top_srcdir)/include/sys/blkptr.h \ + $(top_srcdir)/include/sys/bplist.h \ + $(top_srcdir)/include/sys/bpobj.h \ + $(top_srcdir)/include/sys/bptree.h \ + $(top_srcdir)/include/sys/dbuf.h \ + $(top_srcdir)/include/sys/ddt.h \ + $(top_srcdir)/include/sys/dmu.h \ + $(top_srcdir)/include/sys/dmu_impl.h \ + $(top_srcdir)/include/sys/dmu_objset.h \ + $(top_srcdir)/include/sys/dmu_send.h \ + $(top_srcdir)/include/sys/dmu_traverse.h \ + $(top_srcdir)/include/sys/dmu_tx.h \ + $(top_srcdir)/include/sys/dmu_zfetch.h \ + $(top_srcdir)/include/sys/dnode.h \ + $(top_srcdir)/include/sys/dsl_bookmark.h \ + $(top_srcdir)/include/sys/dsl_dataset.h \ + $(top_srcdir)/include/sys/dsl_deadlist.h \ + $(top_srcdir)/include/sys/dsl_deleg.h \ + $(top_srcdir)/include/sys/dsl_destroy.h \ + 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copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + */ + +#ifndef _SYS_ARC_H +#define _SYS_ARC_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include +#include + +/* + * Used by arc_flush() to inform arc_evict_state() that it should evict + * all available buffers from the arc state being passed in. + */ +#define ARC_EVICT_ALL -1ULL + +typedef struct arc_buf_hdr arc_buf_hdr_t; +typedef struct arc_buf arc_buf_t; +typedef struct arc_prune arc_prune_t; +typedef void arc_done_func_t(zio_t *zio, arc_buf_t *buf, void *private); +typedef void arc_prune_func_t(int64_t bytes, void *private); +typedef int arc_evict_func_t(void *private); + +/* Shared module parameters */ +extern int zfs_arc_average_blocksize; + +/* generic arc_done_func_t's which you can use */ +arc_done_func_t arc_bcopy_func; +arc_done_func_t arc_getbuf_func; + +/* generic arc_prune_func_t wrapper for callbacks */ +struct arc_prune { + arc_prune_func_t *p_pfunc; + void *p_private; + uint64_t p_adjust; + list_node_t p_node; + refcount_t p_refcnt; +}; + +typedef enum arc_strategy { + ARC_STRATEGY_META_ONLY = 0, /* Evict only meta data buffers */ + ARC_STRATEGY_META_BALANCED = 1, /* Evict data buffers if needed */ +} arc_strategy_t; + +typedef enum arc_flags +{ + /* + * Public flags that can be passed into the ARC by external consumers. + */ + ARC_FLAG_NONE = 1 << 0, /* No flags set */ + ARC_FLAG_WAIT = 1 << 1, /* perform sync I/O */ + ARC_FLAG_NOWAIT = 1 << 2, /* perform async I/O */ + ARC_FLAG_PREFETCH = 1 << 3, /* I/O is a prefetch */ + ARC_FLAG_CACHED = 1 << 4, /* I/O was in cache */ + ARC_FLAG_L2CACHE = 1 << 5, /* cache in L2ARC */ + ARC_FLAG_L2COMPRESS = 1 << 6, /* compress in L2ARC */ + + /* + * Private ARC flags. These flags are private ARC only flags that + * will show up in b_flags in the arc_hdr_buf_t. These flags should + * only be set by ARC code. + */ + ARC_FLAG_IN_HASH_TABLE = 1 << 7, /* buffer is hashed */ + ARC_FLAG_IO_IN_PROGRESS = 1 << 8, /* I/O in progress */ + ARC_FLAG_IO_ERROR = 1 << 9, /* I/O failed for buf */ + ARC_FLAG_FREED_IN_READ = 1 << 10, /* freed during read */ + ARC_FLAG_BUF_AVAILABLE = 1 << 11, /* block not in use */ + ARC_FLAG_INDIRECT = 1 << 12, /* indirect block */ + ARC_FLAG_L2_WRITING = 1 << 13, /* write in progress */ + ARC_FLAG_L2_EVICTED = 1 << 14, /* evicted during I/O */ + ARC_FLAG_L2_WRITE_HEAD = 1 << 15, /* head of write list */ + /* indicates that the buffer contains metadata (otherwise, data) */ + ARC_FLAG_BUFC_METADATA = 1 << 16, + + /* Flags specifying whether optional hdr struct fields are defined */ + ARC_FLAG_HAS_L1HDR = 1 << 17, + ARC_FLAG_HAS_L2HDR = 1 << 18, +} arc_flags_t; + +struct arc_buf { + arc_buf_hdr_t *b_hdr; + arc_buf_t *b_next; + kmutex_t b_evict_lock; + void *b_data; + arc_evict_func_t *b_efunc; + void *b_private; +}; + +typedef enum arc_buf_contents { + ARC_BUFC_DATA, /* buffer contains data */ + ARC_BUFC_METADATA, /* buffer contains metadata */ + ARC_BUFC_NUMTYPES +} arc_buf_contents_t; + +/* + * The following breakdows of arc_size exist for kstat only. + */ +typedef enum arc_space_type { + ARC_SPACE_DATA, + ARC_SPACE_META, + ARC_SPACE_HDRS, + ARC_SPACE_L2HDRS, + ARC_SPACE_OTHER, + ARC_SPACE_NUMTYPES +} arc_space_type_t; + +typedef enum arc_state_type { + ARC_STATE_ANON, + ARC_STATE_MRU, + ARC_STATE_MRU_GHOST, + ARC_STATE_MFU, + ARC_STATE_MFU_GHOST, + ARC_STATE_L2C_ONLY, + ARC_STATE_NUMTYPES +} arc_state_type_t; + +typedef struct arc_buf_info { + arc_state_type_t abi_state_type; + arc_buf_contents_t abi_state_contents; + uint32_t abi_flags; + uint32_t abi_datacnt; + uint64_t abi_size; + uint64_t abi_spa; + uint64_t abi_access; + uint32_t abi_mru_hits; + uint32_t abi_mru_ghost_hits; + uint32_t abi_mfu_hits; + uint32_t abi_mfu_ghost_hits; + uint32_t abi_l2arc_hits; + uint32_t abi_holds; + uint64_t abi_l2arc_dattr; + uint64_t abi_l2arc_asize; + enum zio_compress abi_l2arc_compress; +} arc_buf_info_t; + +void arc_space_consume(uint64_t space, arc_space_type_t type); +void arc_space_return(uint64_t space, arc_space_type_t type); +arc_buf_t *arc_buf_alloc(spa_t *spa, uint64_t size, void *tag, + arc_buf_contents_t type); +arc_buf_t *arc_loan_buf(spa_t *spa, uint64_t size); +void arc_return_buf(arc_buf_t *buf, void *tag); +void arc_loan_inuse_buf(arc_buf_t *buf, void *tag); +void arc_buf_add_ref(arc_buf_t *buf, void *tag); +boolean_t arc_buf_remove_ref(arc_buf_t *buf, void *tag); +void arc_buf_info(arc_buf_t *buf, arc_buf_info_t *abi, int state_index); +uint64_t arc_buf_size(arc_buf_t *buf); +void arc_release(arc_buf_t *buf, void *tag); +int arc_released(arc_buf_t *buf); +void arc_buf_sigsegv(int sig, siginfo_t *si, void *unused); +void arc_buf_freeze(arc_buf_t *buf); +void arc_buf_thaw(arc_buf_t *buf); +boolean_t arc_buf_eviction_needed(arc_buf_t *buf); +#ifdef ZFS_DEBUG +int arc_referenced(arc_buf_t *buf); +#endif + +int arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, + arc_done_func_t *done, void *private, zio_priority_t priority, int flags, + arc_flags_t *arc_flags, const zbookmark_phys_t *zb); +zio_t *arc_write(zio_t *pio, spa_t *spa, uint64_t txg, + blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, boolean_t l2arc_compress, + const zio_prop_t *zp, arc_done_func_t *ready, arc_done_func_t *physdone, + arc_done_func_t *done, void *private, zio_priority_t priority, + int zio_flags, const zbookmark_phys_t *zb); + +arc_prune_t *arc_add_prune_callback(arc_prune_func_t *func, void *private); +void arc_remove_prune_callback(arc_prune_t *p); +void arc_freed(spa_t *spa, const blkptr_t *bp); + +void arc_set_callback(arc_buf_t *buf, arc_evict_func_t *func, void *private); +boolean_t arc_clear_callback(arc_buf_t *buf); + +void arc_flush(spa_t *spa, boolean_t retry); +void arc_tempreserve_clear(uint64_t reserve); +int arc_tempreserve_space(uint64_t reserve, uint64_t txg); + +void arc_init(void); +void arc_fini(void); + +/* + * Level 2 ARC + */ + +void l2arc_add_vdev(spa_t *spa, vdev_t *vd); +void l2arc_remove_vdev(vdev_t *vd); +boolean_t l2arc_vdev_present(vdev_t *vd); +void l2arc_init(void); +void l2arc_fini(void); +void l2arc_start(void); +void l2arc_stop(void); + +#ifndef _KERNEL +extern boolean_t arc_watch; +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ARC_H */ diff --git a/zfs/include/sys/arc_impl.h b/zfs/include/sys/arc_impl.h new file mode 100644 index 000000000000..a9dbfc8dd73e --- /dev/null +++ b/zfs/include/sys/arc_impl.h @@ -0,0 +1,228 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright 2013 Nexenta Systems, Inc. All rights reserved. + */ + +#ifndef _SYS_ARC_IMPL_H +#define _SYS_ARC_IMPL_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Note that buffers can be in one of 6 states: + * ARC_anon - anonymous (discussed below) + * ARC_mru - recently used, currently cached + * ARC_mru_ghost - recentely used, no longer in cache + * ARC_mfu - frequently used, currently cached + * ARC_mfu_ghost - frequently used, no longer in cache + * ARC_l2c_only - exists in L2ARC but not other states + * When there are no active references to the buffer, they are + * are linked onto a list in one of these arc states. These are + * the only buffers that can be evicted or deleted. Within each + * state there are multiple lists, one for meta-data and one for + * non-meta-data. Meta-data (indirect blocks, blocks of dnodes, + * etc.) is tracked separately so that it can be managed more + * explicitly: favored over data, limited explicitly. + * + * Anonymous buffers are buffers that are not associated with + * a DVA. These are buffers that hold dirty block copies + * before they are written to stable storage. By definition, + * they are "ref'd" and are considered part of arc_mru + * that cannot be freed. Generally, they will aquire a DVA + * as they are written and migrate onto the arc_mru list. + * + * The ARC_l2c_only state is for buffers that are in the second + * level ARC but no longer in any of the ARC_m* lists. The second + * level ARC itself may also contain buffers that are in any of + * the ARC_m* states - meaning that a buffer can exist in two + * places. The reason for the ARC_l2c_only state is to keep the + * buffer header in the hash table, so that reads that hit the + * second level ARC benefit from these fast lookups. + */ + +typedef struct arc_state { + /* + * list of evictable buffers + */ + multilist_t arcs_list[ARC_BUFC_NUMTYPES]; + /* + * total amount of evictable data in this state + */ + uint64_t arcs_lsize[ARC_BUFC_NUMTYPES]; + /* + * total amount of data in this state; this includes: evictable, + * non-evictable, ARC_BUFC_DATA, and ARC_BUFC_METADATA. + */ + refcount_t arcs_size; + /* + * supports the "dbufs" kstat + */ + arc_state_type_t arcs_state; +} arc_state_t; + +typedef struct arc_callback arc_callback_t; + +struct arc_callback { + void *acb_private; + arc_done_func_t *acb_done; + arc_buf_t *acb_buf; + zio_t *acb_zio_dummy; + arc_callback_t *acb_next; +}; + +typedef struct arc_write_callback arc_write_callback_t; + +struct arc_write_callback { + void *awcb_private; + arc_done_func_t *awcb_ready; + arc_done_func_t *awcb_physdone; + arc_done_func_t *awcb_done; + arc_buf_t *awcb_buf; +}; + +/* + * ARC buffers are separated into multiple structs as a memory saving measure: + * - Common fields struct, always defined, and embedded within it: + * - L2-only fields, always allocated but undefined when not in L2ARC + * - L1-only fields, only allocated when in L1ARC + * + * Buffer in L1 Buffer only in L2 + * +------------------------+ +------------------------+ + * | arc_buf_hdr_t | | arc_buf_hdr_t | + * | | | | + * | | | | + * | | | | + * +------------------------+ +------------------------+ + * | l2arc_buf_hdr_t | | l2arc_buf_hdr_t | + * | (undefined if L1-only) | | | + * +------------------------+ +------------------------+ + * | l1arc_buf_hdr_t | + * | | + * | | + * | | + * | | + * +------------------------+ + * + * Because it's possible for the L2ARC to become extremely large, we can wind + * up eating a lot of memory in L2ARC buffer headers, so the size of a header + * is minimized by only allocating the fields necessary for an L1-cached buffer + * when a header is actually in the L1 cache. The sub-headers (l1arc_buf_hdr and + * l2arc_buf_hdr) are embedded rather than allocated separately to save a couple + * words in pointers. arc_hdr_realloc() is used to switch a header between + * these two allocation states. + */ +typedef struct l1arc_buf_hdr { + kmutex_t b_freeze_lock; + + arc_buf_t *b_buf; + uint32_t b_datacnt; + /* for waiting on writes to complete */ + kcondvar_t b_cv; + + + /* protected by arc state mutex */ + arc_state_t *b_state; + multilist_node_t b_arc_node; + + /* updated atomically */ + clock_t b_arc_access; + uint32_t b_mru_hits; + uint32_t b_mru_ghost_hits; + uint32_t b_mfu_hits; + uint32_t b_mfu_ghost_hits; + uint32_t b_l2_hits; + + /* self protecting */ + refcount_t b_refcnt; + + arc_callback_t *b_acb; + /* temporary buffer holder for in-flight compressed data */ + void *b_tmp_cdata; +} l1arc_buf_hdr_t; + +typedef struct l2arc_dev { + vdev_t *l2ad_vdev; /* vdev */ + spa_t *l2ad_spa; /* spa */ + uint64_t l2ad_hand; /* next write location */ + uint64_t l2ad_start; /* first addr on device */ + uint64_t l2ad_end; /* last addr on device */ + boolean_t l2ad_first; /* first sweep through */ + boolean_t l2ad_writing; /* currently writing */ + kmutex_t l2ad_mtx; /* lock for buffer list */ + list_t l2ad_buflist; /* buffer list */ + list_node_t l2ad_node; /* device list node */ + refcount_t l2ad_alloc; /* allocated bytes */ +} l2arc_dev_t; + +typedef struct l2arc_buf_hdr { + /* protected by arc_buf_hdr mutex */ + l2arc_dev_t *b_dev; /* L2ARC device */ + uint64_t b_daddr; /* disk address, offset byte */ + /* real alloc'd buffer size depending on b_compress applied */ + uint32_t b_hits; + int32_t b_asize; + uint8_t b_compress; + + list_node_t b_l2node; +} l2arc_buf_hdr_t; + +typedef struct l2arc_write_callback { + l2arc_dev_t *l2wcb_dev; /* device info */ + arc_buf_hdr_t *l2wcb_head; /* head of write buflist */ +} l2arc_write_callback_t; + +struct arc_buf_hdr { + /* protected by hash lock */ + dva_t b_dva; + uint64_t b_birth; + /* + * Even though this checksum is only set/verified when a buffer is in + * the L1 cache, it needs to be in the set of common fields because it + * must be preserved from the time before a buffer is written out to + * L2ARC until after it is read back in. + */ + zio_cksum_t *b_freeze_cksum; + + arc_buf_hdr_t *b_hash_next; + arc_flags_t b_flags; + + /* immutable */ + int32_t b_size; + uint64_t b_spa; + + /* L2ARC fields. Undefined when not in L2ARC. */ + l2arc_buf_hdr_t b_l2hdr; + /* L1ARC fields. Undefined when in l2arc_only state */ + l1arc_buf_hdr_t b_l1hdr; +}; +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ARC_IMPL_H */ diff --git a/zfs/include/sys/avl.h b/zfs/include/sys/avl.h new file mode 100644 index 000000000000..10e0ddaeef88 --- /dev/null +++ b/zfs/include/sys/avl.h @@ -0,0 +1,318 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2014 by Delphix. All rights reserved. + */ + +#ifndef _AVL_H +#define _AVL_H + +/* + * This is a private header file. Applications should not directly include + * this file. + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +/* + * This is a generic implementation of AVL trees for use in the Solaris kernel. + * The interfaces provide an efficient way of implementing an ordered set of + * data structures. + * + * AVL trees provide an alternative to using an ordered linked list. Using AVL + * trees will usually be faster, however they requires more storage. An ordered + * linked list in general requires 2 pointers in each data structure. The + * AVL tree implementation uses 3 pointers. The following chart gives the + * approximate performance of operations with the different approaches: + * + * Operation Link List AVL tree + * --------- -------- -------- + * lookup O(n) O(log(n)) + * + * insert 1 node constant constant + * + * delete 1 node constant between constant and O(log(n)) + * + * delete all nodes O(n) O(n) + * + * visit the next + * or prev node constant between constant and O(log(n)) + * + * + * The data structure nodes are anchored at an "avl_tree_t" (the equivalent + * of a list header) and the individual nodes will have a field of + * type "avl_node_t" (corresponding to list pointers). + * + * The type "avl_index_t" is used to indicate a position in the list for + * certain calls. + * + * The usage scenario is generally: + * + * 1. Create the list/tree with: avl_create() + * + * followed by any mixture of: + * + * 2a. Insert nodes with: avl_add(), or avl_find() and avl_insert() + * + * 2b. Visited elements with: + * avl_first() - returns the lowest valued node + * avl_last() - returns the highest valued node + * AVL_NEXT() - given a node go to next higher one + * AVL_PREV() - given a node go to previous lower one + * + * 2c. Find the node with the closest value either less than or greater + * than a given value with avl_nearest(). + * + * 2d. Remove individual nodes from the list/tree with avl_remove(). + * + * and finally when the list is being destroyed + * + * 3. Use avl_destroy_nodes() to quickly process/free up any remaining nodes. + * Note that once you use avl_destroy_nodes(), you can no longer + * use any routine except avl_destroy_nodes() and avl_destoy(). + * + * 4. Use avl_destroy() to destroy the AVL tree itself. + * + * Any locking for multiple thread access is up to the user to provide, just + * as is needed for any linked list implementation. + */ + + +/* + * Type used for the root of the AVL tree. + */ +typedef struct avl_tree avl_tree_t; + +/* + * The data nodes in the AVL tree must have a field of this type. + */ +typedef struct avl_node avl_node_t; + +/* + * An opaque type used to locate a position in the tree where a node + * would be inserted. + */ +typedef uintptr_t avl_index_t; + + +/* + * Direction constants used for avl_nearest(). + */ +#define AVL_BEFORE (0) +#define AVL_AFTER (1) + + +/* + * Prototypes + * + * Where not otherwise mentioned, "void *" arguments are a pointer to the + * user data structure which must contain a field of type avl_node_t. + * + * Also assume the user data structures looks like: + * stuct my_type { + * ... + * avl_node_t my_link; + * ... + * }; + */ + +/* + * Initialize an AVL tree. Arguments are: + * + * tree - the tree to be initialized + * compar - function to compare two nodes, it must return exactly: -1, 0, or +1 + * -1 for <, 0 for ==, and +1 for > + * size - the value of sizeof(struct my_type) + * offset - the value of OFFSETOF(struct my_type, my_link) + */ +extern void avl_create(avl_tree_t *tree, + int (*compar) (const void *, const void *), size_t size, size_t offset); + + +/* + * Find a node with a matching value in the tree. Returns the matching node + * found. If not found, it returns NULL and then if "where" is not NULL it sets + * "where" for use with avl_insert() or avl_nearest(). + * + * node - node that has the value being looked for + * where - position for use with avl_nearest() or avl_insert(), may be NULL + */ +extern void *avl_find(avl_tree_t *tree, const void *node, avl_index_t *where); + +/* + * Insert a node into the tree. + * + * node - the node to insert + * where - position as returned from avl_find() + */ +extern void avl_insert(avl_tree_t *tree, void *node, avl_index_t where); + +/* + * Insert "new_data" in "tree" in the given "direction" either after + * or before the data "here". + * + * This might be useful for avl clients caching recently accessed + * data to avoid doing avl_find() again for insertion. + * + * new_data - new data to insert + * here - existing node in "tree" + * direction - either AVL_AFTER or AVL_BEFORE the data "here". + */ +extern void avl_insert_here(avl_tree_t *tree, void *new_data, void *here, + int direction); + + +/* + * Return the first or last valued node in the tree. Will return NULL + * if the tree is empty. + * + */ +extern void *avl_first(avl_tree_t *tree); +extern void *avl_last(avl_tree_t *tree); + + +/* + * Return the next or previous valued node in the tree. + * AVL_NEXT() will return NULL if at the last node. + * AVL_PREV() will return NULL if at the first node. + * + * node - the node from which the next or previous node is found + */ +#define AVL_NEXT(tree, node) avl_walk(tree, node, AVL_AFTER) +#define AVL_PREV(tree, node) avl_walk(tree, node, AVL_BEFORE) + + +/* + * Find the node with the nearest value either greater or less than + * the value from a previous avl_find(). Returns the node or NULL if + * there isn't a matching one. + * + * where - position as returned from avl_find() + * direction - either AVL_BEFORE or AVL_AFTER + * + * EXAMPLE get the greatest node that is less than a given value: + * + * avl_tree_t *tree; + * struct my_data look_for_value = {....}; + * struct my_data *node; + * struct my_data *less; + * avl_index_t where; + * + * node = avl_find(tree, &look_for_value, &where); + * if (node != NULL) + * less = AVL_PREV(tree, node); + * else + * less = avl_nearest(tree, where, AVL_BEFORE); + */ +extern void *avl_nearest(avl_tree_t *tree, avl_index_t where, int direction); + + +/* + * Add a single node to the tree. + * The node must not be in the tree, and it must not + * compare equal to any other node already in the tree. + * + * node - the node to add + */ +extern void avl_add(avl_tree_t *tree, void *node); + + +/* + * Remove a single node from the tree. The node must be in the tree. + * + * node - the node to remove + */ +extern void avl_remove(avl_tree_t *tree, void *node); + +/* + * Reinsert a node only if its order has changed relative to its nearest + * neighbors. To optimize performance avl_update_lt() checks only the previous + * node and avl_update_gt() checks only the next node. Use avl_update_lt() and + * avl_update_gt() only if you know the direction in which the order of the + * node may change. + */ +extern boolean_t avl_update(avl_tree_t *, void *); +extern boolean_t avl_update_lt(avl_tree_t *, void *); +extern boolean_t avl_update_gt(avl_tree_t *, void *); + +/* + * Swaps the contents of the two trees. + */ +extern void avl_swap(avl_tree_t *tree1, avl_tree_t *tree2); + +/* + * Return the number of nodes in the tree + */ +extern ulong_t avl_numnodes(avl_tree_t *tree); + +/* + * Return B_TRUE if there are zero nodes in the tree, B_FALSE otherwise. + */ +extern boolean_t avl_is_empty(avl_tree_t *tree); + +/* + * Used to destroy any remaining nodes in a tree. The cookie argument should + * be initialized to NULL before the first call. Returns a node that has been + * removed from the tree and may be free()'d. Returns NULL when the tree is + * empty. + * + * Once you call avl_destroy_nodes(), you can only continuing calling it and + * finally avl_destroy(). No other AVL routines will be valid. + * + * cookie - a "void *" used to save state between calls to avl_destroy_nodes() + * + * EXAMPLE: + * avl_tree_t *tree; + * struct my_data *node; + * void *cookie; + * + * cookie = NULL; + * while ((node = avl_destroy_nodes(tree, &cookie)) != NULL) + * free(node); + * avl_destroy(tree); + */ +extern void *avl_destroy_nodes(avl_tree_t *tree, void **cookie); + + +/* + * Final destroy of an AVL tree. Arguments are: + * + * tree - the empty tree to destroy + */ +extern void avl_destroy(avl_tree_t *tree); + + + +#ifdef __cplusplus +} +#endif + +#endif /* _AVL_H */ diff --git a/zfs/include/sys/avl_impl.h b/zfs/include/sys/avl_impl.h new file mode 100644 index 000000000000..fddf76906dee --- /dev/null +++ b/zfs/include/sys/avl_impl.h @@ -0,0 +1,164 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _AVL_IMPL_H +#define _AVL_IMPL_H + + + +/* + * This is a private header file. Applications should not directly include + * this file. + */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + + +/* + * generic AVL tree implementation for kernel use + * + * There are 5 pieces of information stored for each node in an AVL tree + * + * pointer to less than child + * pointer to greater than child + * a pointer to the parent of this node + * an indication [0/1] of which child I am of my parent + * a "balance" (-1, 0, +1) indicating which child tree is taller + * + * Since they only need 3 bits, the last two fields are packed into the + * bottom bits of the parent pointer on 64 bit machines to save on space. + */ + +#ifndef _LP64 + +struct avl_node { + struct avl_node *avl_child[2]; /* left/right children */ + struct avl_node *avl_parent; /* this node's parent */ + unsigned short avl_child_index; /* my index in parent's avl_child[] */ + short avl_balance; /* balance value: -1, 0, +1 */ +}; + +#define AVL_XPARENT(n) ((n)->avl_parent) +#define AVL_SETPARENT(n, p) ((n)->avl_parent = (p)) + +#define AVL_XCHILD(n) ((n)->avl_child_index) +#define AVL_SETCHILD(n, c) ((n)->avl_child_index = (unsigned short)(c)) + +#define AVL_XBALANCE(n) ((n)->avl_balance) +#define AVL_SETBALANCE(n, b) ((n)->avl_balance = (short)(b)) + +#else /* _LP64 */ + +/* + * for 64 bit machines, avl_pcb contains parent pointer, balance and child_index + * values packed in the following manner: + * + * |63 3| 2 |1 0 | + * |-------------------------------------|-----------------|-------------| + * | avl_parent hi order bits | avl_child_index | avl_balance | + * | | | + 1 | + * |-------------------------------------|-----------------|-------------| + * + */ +struct avl_node { + struct avl_node *avl_child[2]; /* left/right children nodes */ + uintptr_t avl_pcb; /* parent, child_index, balance */ +}; + +/* + * macros to extract/set fields in avl_pcb + * + * pointer to the parent of the current node is the high order bits + */ +#define AVL_XPARENT(n) ((struct avl_node *)((n)->avl_pcb & ~7)) +#define AVL_SETPARENT(n, p) \ + ((n)->avl_pcb = (((n)->avl_pcb & 7) | (uintptr_t)(p))) + +/* + * index of this node in its parent's avl_child[]: bit #2 + */ +#define AVL_XCHILD(n) (((n)->avl_pcb >> 2) & 1) +#define AVL_SETCHILD(n, c) \ + ((n)->avl_pcb = (uintptr_t)(((n)->avl_pcb & ~4) | ((c) << 2))) + +/* + * balance indication for a node, lowest 2 bits. A valid balance is + * -1, 0, or +1, and is encoded by adding 1 to the value to get the + * unsigned values of 0, 1, 2. + */ +#define AVL_XBALANCE(n) ((int)(((n)->avl_pcb & 3) - 1)) +#define AVL_SETBALANCE(n, b) \ + ((n)->avl_pcb = (uintptr_t)((((n)->avl_pcb & ~3) | ((b) + 1)))) + +#endif /* _LP64 */ + + + +/* + * switch between a node and data pointer for a given tree + * the value of "o" is tree->avl_offset + */ +#define AVL_NODE2DATA(n, o) ((void *)((uintptr_t)(n) - (o))) +#define AVL_DATA2NODE(d, o) ((struct avl_node *)((uintptr_t)(d) + (o))) + + + +/* + * macros used to create/access an avl_index_t + */ +#define AVL_INDEX2NODE(x) ((avl_node_t *)((x) & ~1)) +#define AVL_INDEX2CHILD(x) ((x) & 1) +#define AVL_MKINDEX(n, c) ((avl_index_t)(n) | (c)) + + +/* + * The tree structure. The fields avl_root, avl_compar, and avl_offset come + * first since they are needed for avl_find(). We want them to fit into + * a single 64 byte cache line to make avl_find() as fast as possible. + */ +struct avl_tree { + struct avl_node *avl_root; /* root node in tree */ + int (*avl_compar)(const void *, const void *); + size_t avl_offset; /* offsetof(type, avl_link_t field) */ + ulong_t avl_numnodes; /* number of nodes in the tree */ + size_t avl_size; /* sizeof user type struct */ +}; + + +/* + * This will only by used via AVL_NEXT() or AVL_PREV() + */ +extern void *avl_walk(struct avl_tree *, void *, int); + +#ifdef __cplusplus +} +#endif + +#endif /* _AVL_IMPL_H */ diff --git a/zfs/include/sys/blkptr.h b/zfs/include/sys/blkptr.h new file mode 100644 index 000000000000..b720482a73fe --- /dev/null +++ b/zfs/include/sys/blkptr.h @@ -0,0 +1,38 @@ +/* + * CDDL HEADER START + * + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_BLKPTR_H +#define _SYS_BLKPTR_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +void encode_embedded_bp_compressed(blkptr_t *, void *, + enum zio_compress, int, int); +void decode_embedded_bp_compressed(const blkptr_t *, void *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_BLKPTR_H */ diff --git a/zfs/include/sys/bplist.h b/zfs/include/sys/bplist.h new file mode 100644 index 000000000000..471be9047ec2 --- /dev/null +++ b/zfs/include/sys/bplist.h @@ -0,0 +1,57 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_BPLIST_H +#define _SYS_BPLIST_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct bplist_entry { + blkptr_t bpe_blk; + list_node_t bpe_node; +} bplist_entry_t; + +typedef struct bplist { + kmutex_t bpl_lock; + list_t bpl_list; +} bplist_t; + +typedef int bplist_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx); + +void bplist_create(bplist_t *bpl); +void bplist_destroy(bplist_t *bpl); +void bplist_append(bplist_t *bpl, const blkptr_t *bp); +void bplist_iterate(bplist_t *bpl, bplist_itor_t *func, + void *arg, dmu_tx_t *tx); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_BPLIST_H */ diff --git a/zfs/include/sys/bpobj.h b/zfs/include/sys/bpobj.h new file mode 100644 index 000000000000..2a365199ce44 --- /dev/null +++ b/zfs/include/sys/bpobj.h @@ -0,0 +1,93 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_BPOBJ_H +#define _SYS_BPOBJ_H + +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct bpobj_phys { + /* + * This is the bonus buffer for the dead lists. The object's + * contents is an array of bpo_entries blkptr_t's, representing + * a total of bpo_bytes physical space. + */ + uint64_t bpo_num_blkptrs; + uint64_t bpo_bytes; + uint64_t bpo_comp; + uint64_t bpo_uncomp; + uint64_t bpo_subobjs; + uint64_t bpo_num_subobjs; +} bpobj_phys_t; + +#define BPOBJ_SIZE_V0 (2 * sizeof (uint64_t)) +#define BPOBJ_SIZE_V1 (4 * sizeof (uint64_t)) + +typedef struct bpobj { + kmutex_t bpo_lock; + objset_t *bpo_os; + uint64_t bpo_object; + int bpo_epb; + uint8_t bpo_havecomp; + uint8_t bpo_havesubobj; + bpobj_phys_t *bpo_phys; + dmu_buf_t *bpo_dbuf; + dmu_buf_t *bpo_cached_dbuf; +} bpobj_t; + +typedef int bpobj_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx); + +uint64_t bpobj_alloc(objset_t *mos, int blocksize, dmu_tx_t *tx); +uint64_t bpobj_alloc_empty(objset_t *os, int blocksize, dmu_tx_t *tx); +void bpobj_free(objset_t *os, uint64_t obj, dmu_tx_t *tx); +void bpobj_decr_empty(objset_t *os, dmu_tx_t *tx); + +int bpobj_open(bpobj_t *bpo, objset_t *mos, uint64_t object); +void bpobj_close(bpobj_t *bpo); + +int bpobj_iterate(bpobj_t *bpo, bpobj_itor_t func, void *arg, dmu_tx_t *tx); +int bpobj_iterate_nofree(bpobj_t *bpo, bpobj_itor_t func, void *, dmu_tx_t *); + +void bpobj_enqueue_subobj(bpobj_t *bpo, uint64_t subobj, dmu_tx_t *tx); +void bpobj_enqueue(bpobj_t *bpo, const blkptr_t *bp, dmu_tx_t *tx); + +int bpobj_space(bpobj_t *bpo, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); +int bpobj_space_range(bpobj_t *bpo, uint64_t mintxg, uint64_t maxtxg, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_BPOBJ_H */ diff --git a/zfs/include/sys/bptree.h b/zfs/include/sys/bptree.h new file mode 100644 index 000000000000..327c128bf493 --- /dev/null +++ b/zfs/include/sys/bptree.h @@ -0,0 +1,65 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_BPTREE_H +#define _SYS_BPTREE_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct bptree_phys { + uint64_t bt_begin; + uint64_t bt_end; + uint64_t bt_bytes; + uint64_t bt_comp; + uint64_t bt_uncomp; +} bptree_phys_t; + +typedef struct bptree_entry_phys { + blkptr_t be_bp; + uint64_t be_birth_txg; /* only delete blocks born after this txg */ + zbookmark_phys_t be_zb; /* holds traversal resume point if needed */ +} bptree_entry_phys_t; + +typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx); + +uint64_t bptree_alloc(objset_t *os, dmu_tx_t *tx); +int bptree_free(objset_t *os, uint64_t obj, dmu_tx_t *tx); +boolean_t bptree_is_empty(objset_t *os, uint64_t obj); + +void bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg, + uint64_t bytes, uint64_t comp, uint64_t uncomp, dmu_tx_t *tx); + +int bptree_iterate(objset_t *os, uint64_t obj, boolean_t free, + bptree_itor_t func, void *arg, dmu_tx_t *tx); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_BPTREE_H */ diff --git a/zfs/include/sys/dbuf.h b/zfs/include/sys/dbuf.h new file mode 100644 index 000000000000..0d262e87b5bc --- /dev/null +++ b/zfs/include/sys/dbuf.h @@ -0,0 +1,392 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2015 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_DBUF_H +#define _SYS_DBUF_H + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define IN_DMU_SYNC 2 + +/* + * define flags for dbuf_read + */ + +#define DB_RF_MUST_SUCCEED (1 << 0) +#define DB_RF_CANFAIL (1 << 1) +#define DB_RF_HAVESTRUCT (1 << 2) +#define DB_RF_NOPREFETCH (1 << 3) +#define DB_RF_NEVERWAIT (1 << 4) +#define DB_RF_CACHED (1 << 5) + +/* + * The simplified state transition diagram for dbufs looks like: + * + * +----> READ ----+ + * | | + * | V + * (alloc)-->UNCACHED CACHED-->EVICTING-->(free) + * | ^ ^ + * | | | + * +----> FILL ----+ | + * | | + * | | + * +--------> NOFILL -------+ + * + * DB_SEARCH is an invalid state for a dbuf. It is used by dbuf_free_range + * to find all dbufs in a range of a dnode and must be less than any other + * dbuf_states_t (see comment on dn_dbufs in dnode.h). + */ +typedef enum dbuf_states { + DB_SEARCH = -1, + DB_UNCACHED, + DB_FILL, + DB_NOFILL, + DB_READ, + DB_CACHED, + DB_EVICTING +} dbuf_states_t; + +struct dnode; +struct dmu_tx; + +/* + * level = 0 means the user data + * level = 1 means the single indirect block + * etc. + */ + +struct dmu_buf_impl; + +typedef enum override_states { + DR_NOT_OVERRIDDEN, + DR_IN_DMU_SYNC, + DR_OVERRIDDEN +} override_states_t; + +typedef struct dbuf_dirty_record { + /* link on our parents dirty list */ + list_node_t dr_dirty_node; + + /* transaction group this data will sync in */ + uint64_t dr_txg; + + /* zio of outstanding write IO */ + zio_t *dr_zio; + + /* pointer back to our dbuf */ + struct dmu_buf_impl *dr_dbuf; + + /* pointer to next dirty record */ + struct dbuf_dirty_record *dr_next; + + /* pointer to parent dirty record */ + struct dbuf_dirty_record *dr_parent; + + /* How much space was changed to dsl_pool_dirty_space() for this? */ + unsigned int dr_accounted; + + union dirty_types { + struct dirty_indirect { + + /* protect access to list */ + kmutex_t dr_mtx; + + /* Our list of dirty children */ + list_t dr_children; + } di; + struct dirty_leaf { + + /* + * dr_data is set when we dirty the buffer + * so that we can retain the pointer even if it + * gets COW'd in a subsequent transaction group. + */ + arc_buf_t *dr_data; + blkptr_t dr_overridden_by; + override_states_t dr_override_state; + uint8_t dr_copies; + boolean_t dr_nopwrite; + } dl; + } dt; +} dbuf_dirty_record_t; + +typedef struct dmu_buf_impl { + /* + * The following members are immutable, with the exception of + * db.db_data, which is protected by db_mtx. + */ + + /* the publicly visible structure */ + dmu_buf_t db; + + /* the objset we belong to */ + struct objset *db_objset; + + /* + * handle to safely access the dnode we belong to (NULL when evicted) + */ + struct dnode_handle *db_dnode_handle; + + /* + * our parent buffer; if the dnode points to us directly, + * db_parent == db_dnode_handle->dnh_dnode->dn_dbuf + * only accessed by sync thread ??? + * (NULL when evicted) + * May change from NULL to non-NULL under the protection of db_mtx + * (see dbuf_check_blkptr()) + */ + struct dmu_buf_impl *db_parent; + + /* + * link for hash table of all dmu_buf_impl_t's + */ + struct dmu_buf_impl *db_hash_next; + + /* our block number */ + uint64_t db_blkid; + + /* + * Pointer to the blkptr_t which points to us. May be NULL if we + * don't have one yet. (NULL when evicted) + */ + blkptr_t *db_blkptr; + + /* + * Our indirection level. Data buffers have db_level==0. + * Indirect buffers which point to data buffers have + * db_level==1. etc. Buffers which contain dnodes have + * db_level==0, since the dnodes are stored in a file. + */ + uint8_t db_level; + + /* db_mtx protects the members below */ + kmutex_t db_mtx; + + /* + * Current state of the buffer + */ + dbuf_states_t db_state; + + /* + * Refcount accessed by dmu_buf_{hold,rele}. + * If nonzero, the buffer can't be destroyed. + * Protected by db_mtx. + */ + refcount_t db_holds; + + /* buffer holding our data */ + arc_buf_t *db_buf; + + kcondvar_t db_changed; + dbuf_dirty_record_t *db_data_pending; + + /* pointer to most recent dirty record for this buffer */ + dbuf_dirty_record_t *db_last_dirty; + + /* + * Our link on the owner dnodes's dn_dbufs list. + * Protected by its dn_dbufs_mtx. + */ + avl_node_t db_link; + + /* Data which is unique to data (leaf) blocks: */ + + /* User callback information. */ + dmu_buf_user_t *db_user; + + /* + * Evict user data as soon as the dirty and reference + * counts are equal. + */ + uint8_t db_user_immediate_evict; + + /* + * This block was freed while a read or write was + * active. + */ + uint8_t db_freed_in_flight; + + /* + * dnode_evict_dbufs() or dnode_evict_bonus() tried to + * evict this dbuf, but couldn't due to outstanding + * references. Evict once the refcount drops to 0. + */ + uint8_t db_pending_evict; + + uint8_t db_dirtycnt; +} dmu_buf_impl_t; + +/* Note: the dbuf hash table is exposed only for the mdb module */ +#define DBUF_MUTEXES 8192 +#define DBUF_HASH_MUTEX(h, idx) (&(h)->hash_mutexes[(idx) & (DBUF_MUTEXES-1)]) +typedef struct dbuf_hash_table { + uint64_t hash_table_mask; + dmu_buf_impl_t **hash_table; + kmutex_t hash_mutexes[DBUF_MUTEXES]; +} dbuf_hash_table_t; + + +uint64_t dbuf_whichblock(struct dnode *di, uint64_t offset); + +void dbuf_create_bonus(struct dnode *dn); +int dbuf_spill_set_blksz(dmu_buf_t *db, uint64_t blksz, dmu_tx_t *tx); + +void dbuf_rm_spill(struct dnode *dn, dmu_tx_t *tx); + +dmu_buf_impl_t *dbuf_hold(struct dnode *dn, uint64_t blkid, void *tag); +dmu_buf_impl_t *dbuf_hold_level(struct dnode *dn, int level, uint64_t blkid, + void *tag); +int dbuf_hold_impl(struct dnode *dn, uint8_t level, uint64_t blkid, int create, + void *tag, dmu_buf_impl_t **dbp); + +void dbuf_prefetch(struct dnode *dn, uint64_t blkid, zio_priority_t prio); + +void dbuf_add_ref(dmu_buf_impl_t *db, void *tag); +boolean_t dbuf_try_add_ref(dmu_buf_t *db, objset_t *os, uint64_t obj, + uint64_t blkid, void *tag); +uint64_t dbuf_refcount(dmu_buf_impl_t *db); + +void dbuf_rele(dmu_buf_impl_t *db, void *tag); +void dbuf_rele_and_unlock(dmu_buf_impl_t *db, void *tag); + +dmu_buf_impl_t *dbuf_find(struct objset *os, uint64_t object, uint8_t level, + uint64_t blkid); + +int dbuf_read(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags); +void dmu_buf_will_not_fill(dmu_buf_t *db, dmu_tx_t *tx); +void dmu_buf_will_fill(dmu_buf_t *db, dmu_tx_t *tx); +void dmu_buf_fill_done(dmu_buf_t *db, dmu_tx_t *tx); +void dbuf_assign_arcbuf(dmu_buf_impl_t *db, arc_buf_t *buf, dmu_tx_t *tx); +dbuf_dirty_record_t *dbuf_dirty(dmu_buf_impl_t *db, dmu_tx_t *tx); +arc_buf_t *dbuf_loan_arcbuf(dmu_buf_impl_t *db); +void dmu_buf_write_embedded(dmu_buf_t *dbuf, void *data, + bp_embedded_type_t etype, enum zio_compress comp, + int uncompressed_size, int compressed_size, int byteorder, dmu_tx_t *tx); + +void dbuf_clear(dmu_buf_impl_t *db); +void dbuf_evict(dmu_buf_impl_t *db); + +void dbuf_unoverride(dbuf_dirty_record_t *dr); +void dbuf_sync_list(list_t *list, int level, dmu_tx_t *tx); +void dbuf_release_bp(dmu_buf_impl_t *db); + +void dbuf_free_range(struct dnode *dn, uint64_t start, uint64_t end, + struct dmu_tx *); + +void dbuf_new_size(dmu_buf_impl_t *db, int size, dmu_tx_t *tx); + +void dbuf_stats_init(dbuf_hash_table_t *hash); +void dbuf_stats_destroy(void); + +#define DB_DNODE(_db) ((_db)->db_dnode_handle->dnh_dnode) +#define DB_DNODE_LOCK(_db) ((_db)->db_dnode_handle->dnh_zrlock) +#define DB_DNODE_ENTER(_db) (zrl_add(&DB_DNODE_LOCK(_db))) +#define DB_DNODE_EXIT(_db) (zrl_remove(&DB_DNODE_LOCK(_db))) +#define DB_DNODE_HELD(_db) (!zrl_is_zero(&DB_DNODE_LOCK(_db))) + +void dbuf_init(void); +void dbuf_fini(void); + +boolean_t dbuf_is_metadata(dmu_buf_impl_t *db); + +#define DBUF_GET_BUFC_TYPE(_db) \ + (dbuf_is_metadata(_db) ? ARC_BUFC_METADATA : ARC_BUFC_DATA) + +#define DBUF_IS_CACHEABLE(_db) \ + ((_db)->db_objset->os_primary_cache == ZFS_CACHE_ALL || \ + (dbuf_is_metadata(_db) && \ + ((_db)->db_objset->os_primary_cache == ZFS_CACHE_METADATA))) + +#define DBUF_IS_L2CACHEABLE(_db) \ + ((_db)->db_objset->os_secondary_cache == ZFS_CACHE_ALL || \ + (dbuf_is_metadata(_db) && \ + ((_db)->db_objset->os_secondary_cache == ZFS_CACHE_METADATA))) + +#define DBUF_IS_L2COMPRESSIBLE(_db) \ + ((_db)->db_objset->os_compress != ZIO_COMPRESS_OFF || \ + (dbuf_is_metadata(_db) && zfs_mdcomp_disable == B_FALSE)) + +#ifdef ZFS_DEBUG + +/* + * There should be a ## between the string literal and fmt, to make it + * clear that we're joining two strings together, but gcc does not + * support that preprocessor token. + */ +#define dprintf_dbuf(dbuf, fmt, ...) do { \ + if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ + char __db_buf[32]; \ + uint64_t __db_obj = (dbuf)->db.db_object; \ + if (__db_obj == DMU_META_DNODE_OBJECT) \ + (void) strcpy(__db_buf, "mdn"); \ + else \ + (void) snprintf(__db_buf, sizeof (__db_buf), "%lld", \ + (u_longlong_t)__db_obj); \ + dprintf_ds((dbuf)->db_objset->os_dsl_dataset, \ + "obj=%s lvl=%u blkid=%lld " fmt, \ + __db_buf, (dbuf)->db_level, \ + (u_longlong_t)(dbuf)->db_blkid, __VA_ARGS__); \ + } \ +_NOTE(CONSTCOND) } while (0) + +#define dprintf_dbuf_bp(db, bp, fmt, ...) do { \ + if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ + char *__blkbuf = kmem_alloc(BP_SPRINTF_LEN, KM_SLEEP); \ + snprintf_blkptr(__blkbuf, BP_SPRINTF_LEN, bp); \ + dprintf_dbuf(db, fmt " %s\n", __VA_ARGS__, __blkbuf); \ + kmem_free(__blkbuf, BP_SPRINTF_LEN); \ + } \ +_NOTE(CONSTCOND) } while (0) + +#define DBUF_VERIFY(db) dbuf_verify(db) + +#else + +#define dprintf_dbuf(db, fmt, ...) +#define dprintf_dbuf_bp(db, bp, fmt, ...) +#define DBUF_VERIFY(db) + +#endif + + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DBUF_H */ diff --git a/zfs/include/sys/ddt.h b/zfs/include/sys/ddt.h new file mode 100644 index 000000000000..3befcb84427c --- /dev/null +++ b/zfs/include/sys/ddt.h @@ -0,0 +1,247 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_DDT_H +#define _SYS_DDT_H + +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * On-disk DDT formats, in the desired search order (newest version first). + */ +enum ddt_type { + DDT_TYPE_ZAP = 0, + DDT_TYPES +}; + +/* + * DDT classes, in the desired search order (highest replication level first). + */ +enum ddt_class { + DDT_CLASS_DITTO = 0, + DDT_CLASS_DUPLICATE, + DDT_CLASS_UNIQUE, + DDT_CLASSES +}; + +#define DDT_TYPE_CURRENT 0 + +#define DDT_COMPRESS_BYTEORDER_MASK 0x80 +#define DDT_COMPRESS_FUNCTION_MASK 0x7f + +/* + * On-disk ddt entry: key (name) and physical storage (value). + */ +typedef struct ddt_key { + zio_cksum_t ddk_cksum; /* 256-bit block checksum */ + /* + * Encoded with logical & physical size, and compression, as follows: + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * | 0 | 0 | 0 | comp | PSIZE | LSIZE | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + */ + uint64_t ddk_prop; +} ddt_key_t; + +#define DDK_GET_LSIZE(ddk) \ + BF64_GET_SB((ddk)->ddk_prop, 0, 16, SPA_MINBLOCKSHIFT, 1) +#define DDK_SET_LSIZE(ddk, x) \ + BF64_SET_SB((ddk)->ddk_prop, 0, 16, SPA_MINBLOCKSHIFT, 1, x) + +#define DDK_GET_PSIZE(ddk) \ + BF64_GET_SB((ddk)->ddk_prop, 16, 16, SPA_MINBLOCKSHIFT, 1) +#define DDK_SET_PSIZE(ddk, x) \ + BF64_SET_SB((ddk)->ddk_prop, 16, 16, SPA_MINBLOCKSHIFT, 1, x) + +#define DDK_GET_COMPRESS(ddk) BF64_GET((ddk)->ddk_prop, 32, 8) +#define DDK_SET_COMPRESS(ddk, x) BF64_SET((ddk)->ddk_prop, 32, 8, x) + +#define DDT_KEY_WORDS (sizeof (ddt_key_t) / sizeof (uint64_t)) + +typedef struct ddt_phys { + dva_t ddp_dva[SPA_DVAS_PER_BP]; + uint64_t ddp_refcnt; + uint64_t ddp_phys_birth; +} ddt_phys_t; + +enum ddt_phys_type { + DDT_PHYS_DITTO = 0, + DDT_PHYS_SINGLE = 1, + DDT_PHYS_DOUBLE = 2, + DDT_PHYS_TRIPLE = 3, + DDT_PHYS_TYPES +}; + +/* + * In-core ddt entry + */ +struct ddt_entry { + ddt_key_t dde_key; + ddt_phys_t dde_phys[DDT_PHYS_TYPES]; + zio_t *dde_lead_zio[DDT_PHYS_TYPES]; + void *dde_repair_data; + enum ddt_type dde_type; + enum ddt_class dde_class; + uint8_t dde_loading; + uint8_t dde_loaded; + kcondvar_t dde_cv; + avl_node_t dde_node; +}; + +/* + * In-core ddt + */ +struct ddt { + kmutex_t ddt_lock; + avl_tree_t ddt_tree; + avl_tree_t ddt_repair_tree; + enum zio_checksum ddt_checksum; + spa_t *ddt_spa; + objset_t *ddt_os; + uint64_t ddt_stat_object; + uint64_t ddt_object[DDT_TYPES][DDT_CLASSES]; + ddt_histogram_t ddt_histogram[DDT_TYPES][DDT_CLASSES]; + ddt_histogram_t ddt_histogram_cache[DDT_TYPES][DDT_CLASSES]; + ddt_object_t ddt_object_stats[DDT_TYPES][DDT_CLASSES]; + avl_node_t ddt_node; +}; + +/* + * In-core and on-disk bookmark for DDT walks + */ +typedef struct ddt_bookmark { + uint64_t ddb_class; + uint64_t ddb_type; + uint64_t ddb_checksum; + uint64_t ddb_cursor; +} ddt_bookmark_t; + +/* + * Ops vector to access a specific DDT object type. + */ +typedef struct ddt_ops { + char ddt_op_name[32]; + int (*ddt_op_create)(objset_t *os, uint64_t *object, dmu_tx_t *tx, + boolean_t prehash); + int (*ddt_op_destroy)(objset_t *os, uint64_t object, dmu_tx_t *tx); + int (*ddt_op_lookup)(objset_t *os, uint64_t object, ddt_entry_t *dde); + void (*ddt_op_prefetch)(objset_t *os, uint64_t object, + ddt_entry_t *dde); + int (*ddt_op_update)(objset_t *os, uint64_t object, ddt_entry_t *dde, + dmu_tx_t *tx); + int (*ddt_op_remove)(objset_t *os, uint64_t object, ddt_entry_t *dde, + dmu_tx_t *tx); + int (*ddt_op_walk)(objset_t *os, uint64_t object, ddt_entry_t *dde, + uint64_t *walk); + int (*ddt_op_count)(objset_t *os, uint64_t object, uint64_t *count); +} ddt_ops_t; + +#define DDT_NAMELEN 80 + +extern void ddt_object_name(ddt_t *ddt, enum ddt_type type, + enum ddt_class class, char *name); +extern int ddt_object_walk(ddt_t *ddt, enum ddt_type type, + enum ddt_class class, uint64_t *walk, ddt_entry_t *dde); +extern int ddt_object_count(ddt_t *ddt, enum ddt_type type, + enum ddt_class class, uint64_t *count); +extern int ddt_object_info(ddt_t *ddt, enum ddt_type type, + enum ddt_class class, dmu_object_info_t *); +extern boolean_t ddt_object_exists(ddt_t *ddt, enum ddt_type type, + enum ddt_class class); + +extern void ddt_bp_fill(const ddt_phys_t *ddp, blkptr_t *bp, + uint64_t txg); +extern void ddt_bp_create(enum zio_checksum checksum, const ddt_key_t *ddk, + const ddt_phys_t *ddp, blkptr_t *bp); + +extern void ddt_key_fill(ddt_key_t *ddk, const blkptr_t *bp); + +extern void ddt_phys_fill(ddt_phys_t *ddp, const blkptr_t *bp); +extern void ddt_phys_clear(ddt_phys_t *ddp); +extern void ddt_phys_addref(ddt_phys_t *ddp); +extern void ddt_phys_decref(ddt_phys_t *ddp); +extern void ddt_phys_free(ddt_t *ddt, ddt_key_t *ddk, ddt_phys_t *ddp, + uint64_t txg); +extern ddt_phys_t *ddt_phys_select(const ddt_entry_t *dde, const blkptr_t *bp); +extern uint64_t ddt_phys_total_refcnt(const ddt_entry_t *dde); + +extern void ddt_stat_add(ddt_stat_t *dst, const ddt_stat_t *src, uint64_t neg); + +extern void ddt_histogram_add(ddt_histogram_t *dst, const ddt_histogram_t *src); +extern void ddt_histogram_stat(ddt_stat_t *dds, const ddt_histogram_t *ddh); +extern boolean_t ddt_histogram_empty(const ddt_histogram_t *ddh); +extern void ddt_get_dedup_object_stats(spa_t *spa, ddt_object_t *ddo); +extern void ddt_get_dedup_histogram(spa_t *spa, ddt_histogram_t *ddh); +extern void ddt_get_dedup_stats(spa_t *spa, ddt_stat_t *dds_total); + +extern uint64_t ddt_get_dedup_dspace(spa_t *spa); +extern uint64_t ddt_get_pool_dedup_ratio(spa_t *spa); + +extern int ddt_ditto_copies_needed(ddt_t *ddt, ddt_entry_t *dde, + ddt_phys_t *ddp_willref); +extern int ddt_ditto_copies_present(ddt_entry_t *dde); + +extern size_t ddt_compress(void *src, uchar_t *dst, size_t s_len, size_t d_len); +extern void ddt_decompress(uchar_t *src, void *dst, size_t s_len, size_t d_len); + +extern ddt_t *ddt_select(spa_t *spa, const blkptr_t *bp); +extern void ddt_enter(ddt_t *ddt); +extern void ddt_exit(ddt_t *ddt); +extern void ddt_init(void); +extern void ddt_fini(void); +extern ddt_entry_t *ddt_lookup(ddt_t *ddt, const blkptr_t *bp, boolean_t add); +extern void ddt_prefetch(spa_t *spa, const blkptr_t *bp); +extern void ddt_remove(ddt_t *ddt, ddt_entry_t *dde); + +extern boolean_t ddt_class_contains(spa_t *spa, enum ddt_class max_class, + const blkptr_t *bp); + +extern ddt_entry_t *ddt_repair_start(ddt_t *ddt, const blkptr_t *bp); +extern void ddt_repair_done(ddt_t *ddt, ddt_entry_t *dde); + +extern int ddt_entry_compare(const void *x1, const void *x2); + +extern void ddt_create(spa_t *spa); +extern int ddt_load(spa_t *spa); +extern void ddt_unload(spa_t *spa); +extern void ddt_sync(spa_t *spa, uint64_t txg); +extern int ddt_walk(spa_t *spa, ddt_bookmark_t *ddb, ddt_entry_t *dde); +extern int ddt_object_update(ddt_t *ddt, enum ddt_type type, + enum ddt_class class, ddt_entry_t *dde, dmu_tx_t *tx); + +extern const ddt_ops_t ddt_zap_ops; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DDT_H */ diff --git a/zfs/include/sys/dmu.h b/zfs/include/sys/dmu.h new file mode 100644 index 000000000000..d9434db46383 --- /dev/null +++ b/zfs/include/sys/dmu.h @@ -0,0 +1,934 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright 2014 HybridCluster. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#ifndef _SYS_DMU_H +#define _SYS_DMU_H + +/* + * This file describes the interface that the DMU provides for its + * consumers. + * + * The DMU also interacts with the SPA. That interface is described in + * dmu_spa.h. + */ + +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct page; +struct vnode; +struct spa; +struct zilog; +struct zio; +struct blkptr; +struct zap_cursor; +struct dsl_dataset; +struct dsl_pool; +struct dnode; +struct drr_begin; +struct drr_end; +struct zbookmark_phys; +struct spa; +struct nvlist; +struct arc_buf; +struct zio_prop; +struct sa_handle; + +typedef struct objset objset_t; +typedef struct dmu_tx dmu_tx_t; +typedef struct dsl_dir dsl_dir_t; + +typedef enum dmu_object_byteswap { + DMU_BSWAP_UINT8, + DMU_BSWAP_UINT16, + DMU_BSWAP_UINT32, + DMU_BSWAP_UINT64, + DMU_BSWAP_ZAP, + DMU_BSWAP_DNODE, + DMU_BSWAP_OBJSET, + DMU_BSWAP_ZNODE, + DMU_BSWAP_OLDACL, + DMU_BSWAP_ACL, + /* + * Allocating a new byteswap type number makes the on-disk format + * incompatible with any other format that uses the same number. + * + * Data can usually be structured to work with one of the + * DMU_BSWAP_UINT* or DMU_BSWAP_ZAP types. + */ + DMU_BSWAP_NUMFUNCS +} dmu_object_byteswap_t; + +#define DMU_OT_NEWTYPE 0x80 +#define DMU_OT_METADATA 0x40 +#define DMU_OT_BYTESWAP_MASK 0x3f + +/* + * Defines a uint8_t object type. Object types specify if the data + * in the object is metadata (boolean) and how to byteswap the data + * (dmu_object_byteswap_t). + */ +#define DMU_OT(byteswap, metadata) \ + (DMU_OT_NEWTYPE | \ + ((metadata) ? DMU_OT_METADATA : 0) | \ + ((byteswap) & DMU_OT_BYTESWAP_MASK)) + +#define DMU_OT_IS_VALID(ot) (((ot) & DMU_OT_NEWTYPE) ? \ + ((ot) & DMU_OT_BYTESWAP_MASK) < DMU_BSWAP_NUMFUNCS : \ + (ot) < DMU_OT_NUMTYPES) + +#define DMU_OT_IS_METADATA(ot) (((ot) & DMU_OT_NEWTYPE) ? \ + ((ot) & DMU_OT_METADATA) : \ + dmu_ot[(int)(ot)].ot_metadata) + +/* + * These object types use bp_fill != 1 for their L0 bp's. Therefore they can't + * have their data embedded (i.e. use a BP_IS_EMBEDDED() bp), because bp_fill + * is repurposed for embedded BPs. + */ +#define DMU_OT_HAS_FILL(ot) \ + ((ot) == DMU_OT_DNODE || (ot) == DMU_OT_OBJSET) + +#define DMU_OT_BYTESWAP(ot) (((ot) & DMU_OT_NEWTYPE) ? \ + ((ot) & DMU_OT_BYTESWAP_MASK) : \ + dmu_ot[(int)(ot)].ot_byteswap) + +typedef enum dmu_object_type { + DMU_OT_NONE, + /* general: */ + DMU_OT_OBJECT_DIRECTORY, /* ZAP */ + DMU_OT_OBJECT_ARRAY, /* UINT64 */ + DMU_OT_PACKED_NVLIST, /* UINT8 (XDR by nvlist_pack/unpack) */ + DMU_OT_PACKED_NVLIST_SIZE, /* UINT64 */ + DMU_OT_BPOBJ, /* UINT64 */ + DMU_OT_BPOBJ_HDR, /* UINT64 */ + /* spa: */ + DMU_OT_SPACE_MAP_HEADER, /* UINT64 */ + DMU_OT_SPACE_MAP, /* UINT64 */ + /* zil: */ + DMU_OT_INTENT_LOG, /* UINT64 */ + /* dmu: */ + DMU_OT_DNODE, /* DNODE */ + DMU_OT_OBJSET, /* OBJSET */ + /* dsl: */ + DMU_OT_DSL_DIR, /* UINT64 */ + DMU_OT_DSL_DIR_CHILD_MAP, /* ZAP */ + DMU_OT_DSL_DS_SNAP_MAP, /* ZAP */ + DMU_OT_DSL_PROPS, /* ZAP */ + DMU_OT_DSL_DATASET, /* UINT64 */ + /* zpl: */ + DMU_OT_ZNODE, /* ZNODE */ + DMU_OT_OLDACL, /* Old ACL */ + DMU_OT_PLAIN_FILE_CONTENTS, /* UINT8 */ + DMU_OT_DIRECTORY_CONTENTS, /* ZAP */ + DMU_OT_MASTER_NODE, /* ZAP */ + DMU_OT_UNLINKED_SET, /* ZAP */ + /* zvol: */ + DMU_OT_ZVOL, /* UINT8 */ + DMU_OT_ZVOL_PROP, /* ZAP */ + /* other; for testing only! */ + DMU_OT_PLAIN_OTHER, /* UINT8 */ + DMU_OT_UINT64_OTHER, /* UINT64 */ + DMU_OT_ZAP_OTHER, /* ZAP */ + /* new object types: */ + DMU_OT_ERROR_LOG, /* ZAP */ + DMU_OT_SPA_HISTORY, /* UINT8 */ + DMU_OT_SPA_HISTORY_OFFSETS, /* spa_his_phys_t */ + DMU_OT_POOL_PROPS, /* ZAP */ + DMU_OT_DSL_PERMS, /* ZAP */ + DMU_OT_ACL, /* ACL */ + DMU_OT_SYSACL, /* SYSACL */ + DMU_OT_FUID, /* FUID table (Packed NVLIST UINT8) */ + DMU_OT_FUID_SIZE, /* FUID table size UINT64 */ + DMU_OT_NEXT_CLONES, /* ZAP */ + DMU_OT_SCAN_QUEUE, /* ZAP */ + DMU_OT_USERGROUP_USED, /* ZAP */ + DMU_OT_USERGROUP_QUOTA, /* ZAP */ + DMU_OT_USERREFS, /* ZAP */ + DMU_OT_DDT_ZAP, /* ZAP */ + DMU_OT_DDT_STATS, /* ZAP */ + DMU_OT_SA, /* System attr */ + DMU_OT_SA_MASTER_NODE, /* ZAP */ + DMU_OT_SA_ATTR_REGISTRATION, /* ZAP */ + DMU_OT_SA_ATTR_LAYOUTS, /* ZAP */ + DMU_OT_SCAN_XLATE, /* ZAP */ + DMU_OT_DEDUP, /* fake dedup BP from ddt_bp_create() */ + DMU_OT_DEADLIST, /* ZAP */ + DMU_OT_DEADLIST_HDR, /* UINT64 */ + DMU_OT_DSL_CLONES, /* ZAP */ + DMU_OT_BPOBJ_SUBOBJ, /* UINT64 */ + /* + * Do not allocate new object types here. Doing so makes the on-disk + * format incompatible with any other format that uses the same object + * type number. + * + * When creating an object which does not have one of the above types + * use the DMU_OTN_* type with the correct byteswap and metadata + * values. + * + * The DMU_OTN_* types do not have entries in the dmu_ot table, + * use the DMU_OT_IS_METDATA() and DMU_OT_BYTESWAP() macros instead + * of indexing into dmu_ot directly (this works for both DMU_OT_* types + * and DMU_OTN_* types). + */ + DMU_OT_NUMTYPES, + + /* + * Names for valid types declared with DMU_OT(). + */ + DMU_OTN_UINT8_DATA = DMU_OT(DMU_BSWAP_UINT8, B_FALSE), + DMU_OTN_UINT8_METADATA = DMU_OT(DMU_BSWAP_UINT8, B_TRUE), + DMU_OTN_UINT16_DATA = DMU_OT(DMU_BSWAP_UINT16, B_FALSE), + DMU_OTN_UINT16_METADATA = DMU_OT(DMU_BSWAP_UINT16, B_TRUE), + DMU_OTN_UINT32_DATA = DMU_OT(DMU_BSWAP_UINT32, B_FALSE), + DMU_OTN_UINT32_METADATA = DMU_OT(DMU_BSWAP_UINT32, B_TRUE), + DMU_OTN_UINT64_DATA = DMU_OT(DMU_BSWAP_UINT64, B_FALSE), + DMU_OTN_UINT64_METADATA = DMU_OT(DMU_BSWAP_UINT64, B_TRUE), + DMU_OTN_ZAP_DATA = DMU_OT(DMU_BSWAP_ZAP, B_FALSE), + DMU_OTN_ZAP_METADATA = DMU_OT(DMU_BSWAP_ZAP, B_TRUE), +} dmu_object_type_t; + +typedef enum txg_how { + TXG_WAIT = 1, + TXG_NOWAIT, + TXG_WAITED, +} txg_how_t; + +void byteswap_uint64_array(void *buf, size_t size); +void byteswap_uint32_array(void *buf, size_t size); +void byteswap_uint16_array(void *buf, size_t size); +void byteswap_uint8_array(void *buf, size_t size); +void zap_byteswap(void *buf, size_t size); +void zfs_oldacl_byteswap(void *buf, size_t size); +void zfs_acl_byteswap(void *buf, size_t size); +void zfs_znode_byteswap(void *buf, size_t size); + +#define DS_FIND_SNAPSHOTS (1<<0) +#define DS_FIND_CHILDREN (1<<1) +#define DS_FIND_SERIALIZE (1<<2) + +/* + * The maximum number of bytes that can be accessed as part of one + * operation, including metadata. + */ +#define DMU_MAX_ACCESS (64 * 1024 * 1024) /* 64MB */ +#define DMU_MAX_DELETEBLKCNT (20480) /* ~5MB of indirect blocks */ + +#define DMU_USERUSED_OBJECT (-1ULL) +#define DMU_GROUPUSED_OBJECT (-2ULL) + +/* + * artificial blkids for bonus buffer and spill blocks + */ +#define DMU_BONUS_BLKID (-1ULL) +#define DMU_SPILL_BLKID (-2ULL) +/* + * Public routines to create, destroy, open, and close objsets. + */ +int dmu_objset_hold(const char *name, void *tag, objset_t **osp); +int dmu_objset_own(const char *name, dmu_objset_type_t type, + boolean_t readonly, void *tag, objset_t **osp); +void dmu_objset_rele(objset_t *os, void *tag); +void dmu_objset_disown(objset_t *os, void *tag); +int dmu_objset_open_ds(struct dsl_dataset *ds, objset_t **osp); + +void dmu_objset_evict_dbufs(objset_t *os); +int dmu_objset_create(const char *name, dmu_objset_type_t type, uint64_t flags, + void (*func)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx), void *arg); +int dmu_objset_clone(const char *name, const char *origin); +int dsl_destroy_snapshots_nvl(struct nvlist *snaps, boolean_t defer, + struct nvlist *errlist); +int dmu_objset_snapshot_one(const char *fsname, const char *snapname); +int dmu_objset_snapshot_tmp(const char *, const char *, int); +int dmu_objset_find(char *name, int func(const char *, void *), void *arg, + int flags); +void dmu_objset_byteswap(void *buf, size_t size); +int dsl_dataset_rename_snapshot(const char *fsname, + const char *oldsnapname, const char *newsnapname, boolean_t recursive); + +typedef struct dmu_buf { + uint64_t db_object; /* object that this buffer is part of */ + uint64_t db_offset; /* byte offset in this object */ + uint64_t db_size; /* size of buffer in bytes */ + void *db_data; /* data in buffer */ +} dmu_buf_t; + +/* + * The names of zap entries in the DIRECTORY_OBJECT of the MOS. + */ +#define DMU_POOL_DIRECTORY_OBJECT 1 +#define DMU_POOL_CONFIG "config" +#define DMU_POOL_FEATURES_FOR_WRITE "features_for_write" +#define DMU_POOL_FEATURES_FOR_READ "features_for_read" +#define DMU_POOL_FEATURE_DESCRIPTIONS "feature_descriptions" +#define DMU_POOL_FEATURE_ENABLED_TXG "feature_enabled_txg" +#define DMU_POOL_ROOT_DATASET "root_dataset" +#define DMU_POOL_SYNC_BPOBJ "sync_bplist" +#define DMU_POOL_ERRLOG_SCRUB "errlog_scrub" +#define DMU_POOL_ERRLOG_LAST "errlog_last" +#define DMU_POOL_SPARES "spares" +#define DMU_POOL_DEFLATE "deflate" +#define DMU_POOL_HISTORY "history" +#define DMU_POOL_PROPS "pool_props" +#define DMU_POOL_L2CACHE "l2cache" +#define DMU_POOL_TMP_USERREFS "tmp_userrefs" +#define DMU_POOL_DDT "DDT-%s-%s-%s" +#define DMU_POOL_DDT_STATS "DDT-statistics" +#define DMU_POOL_CREATION_VERSION "creation_version" +#define DMU_POOL_SCAN "scan" +#define DMU_POOL_FREE_BPOBJ "free_bpobj" +#define DMU_POOL_BPTREE_OBJ "bptree_obj" +#define DMU_POOL_EMPTY_BPOBJ "empty_bpobj" + +/* + * Allocate an object from this objset. The range of object numbers + * available is (0, DN_MAX_OBJECT). Object 0 is the meta-dnode. + * + * The transaction must be assigned to a txg. The newly allocated + * object will be "held" in the transaction (ie. you can modify the + * newly allocated object in this transaction). + * + * dmu_object_alloc() chooses an object and returns it in *objectp. + * + * dmu_object_claim() allocates a specific object number. If that + * number is already allocated, it fails and returns EEXIST. + * + * Return 0 on success, or ENOSPC or EEXIST as specified above. + */ +uint64_t dmu_object_alloc(objset_t *os, dmu_object_type_t ot, + int blocksize, dmu_object_type_t bonus_type, int bonus_len, dmu_tx_t *tx); +int dmu_object_claim(objset_t *os, uint64_t object, dmu_object_type_t ot, + int blocksize, dmu_object_type_t bonus_type, int bonus_len, dmu_tx_t *tx); +int dmu_object_reclaim(objset_t *os, uint64_t object, dmu_object_type_t ot, + int blocksize, dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *txp); + +/* + * Free an object from this objset. + * + * The object's data will be freed as well (ie. you don't need to call + * dmu_free(object, 0, -1, tx)). + * + * The object need not be held in the transaction. + * + * If there are any holds on this object's buffers (via dmu_buf_hold()), + * or tx holds on the object (via dmu_tx_hold_object()), you can not + * free it; it fails and returns EBUSY. + * + * If the object is not allocated, it fails and returns ENOENT. + * + * Return 0 on success, or EBUSY or ENOENT as specified above. + */ +int dmu_object_free(objset_t *os, uint64_t object, dmu_tx_t *tx); + +/* + * Find the next allocated or free object. + * + * The objectp parameter is in-out. It will be updated to be the next + * object which is allocated. Ignore objects which have not been + * modified since txg. + * + * XXX Can only be called on a objset with no dirty data. + * + * Returns 0 on success, or ENOENT if there are no more objects. + */ +int dmu_object_next(objset_t *os, uint64_t *objectp, + boolean_t hole, uint64_t txg); + +/* + * Set the data blocksize for an object. + * + * The object cannot have any blocks allcated beyond the first. If + * the first block is allocated already, the new size must be greater + * than the current block size. If these conditions are not met, + * ENOTSUP will be returned. + * + * Returns 0 on success, or EBUSY if there are any holds on the object + * contents, or ENOTSUP as described above. + */ +int dmu_object_set_blocksize(objset_t *os, uint64_t object, uint64_t size, + int ibs, dmu_tx_t *tx); + +/* + * Set the checksum property on a dnode. The new checksum algorithm will + * apply to all newly written blocks; existing blocks will not be affected. + */ +void dmu_object_set_checksum(objset_t *os, uint64_t object, uint8_t checksum, + dmu_tx_t *tx); + +/* + * Set the compress property on a dnode. The new compression algorithm will + * apply to all newly written blocks; existing blocks will not be affected. + */ +void dmu_object_set_compress(objset_t *os, uint64_t object, uint8_t compress, + dmu_tx_t *tx); + +void +dmu_write_embedded(objset_t *os, uint64_t object, uint64_t offset, + void *data, uint8_t etype, uint8_t comp, int uncompressed_size, + int compressed_size, int byteorder, dmu_tx_t *tx); + +/* + * Decide how to write a block: checksum, compression, number of copies, etc. + */ +#define WP_NOFILL 0x1 +#define WP_DMU_SYNC 0x2 +#define WP_SPILL 0x4 + +void dmu_write_policy(objset_t *os, struct dnode *dn, int level, int wp, + struct zio_prop *zp); +/* + * The bonus data is accessed more or less like a regular buffer. + * You must dmu_bonus_hold() to get the buffer, which will give you a + * dmu_buf_t with db_offset==-1ULL, and db_size = the size of the bonus + * data. As with any normal buffer, you must call dmu_buf_read() to + * read db_data, dmu_buf_will_dirty() before modifying it, and the + * object must be held in an assigned transaction before calling + * dmu_buf_will_dirty. You may use dmu_buf_set_user() on the bonus + * buffer as well. You must release what you hold with dmu_buf_rele(). + * + * Returns ENOENT, EIO, or 0. + */ +int dmu_bonus_hold(objset_t *os, uint64_t object, void *tag, dmu_buf_t **); +int dmu_bonus_max(void); +int dmu_set_bonus(dmu_buf_t *, int, dmu_tx_t *); +int dmu_set_bonustype(dmu_buf_t *, dmu_object_type_t, dmu_tx_t *); +dmu_object_type_t dmu_get_bonustype(dmu_buf_t *); +int dmu_rm_spill(objset_t *, uint64_t, dmu_tx_t *); + +/* + * Special spill buffer support used by "SA" framework + */ + +int dmu_spill_hold_by_bonus(dmu_buf_t *bonus, void *tag, dmu_buf_t **dbp); +int dmu_spill_hold_by_dnode(struct dnode *dn, uint32_t flags, + void *tag, dmu_buf_t **dbp); +int dmu_spill_hold_existing(dmu_buf_t *bonus, void *tag, dmu_buf_t **dbp); + +/* + * Obtain the DMU buffer from the specified object which contains the + * specified offset. dmu_buf_hold() puts a "hold" on the buffer, so + * that it will remain in memory. You must release the hold with + * dmu_buf_rele(). You must not access the dmu_buf_t after releasing + * what you hold. You must have a hold on any dmu_buf_t* you pass to the DMU. + * + * You must call dmu_buf_read, dmu_buf_will_dirty, or dmu_buf_will_fill + * on the returned buffer before reading or writing the buffer's + * db_data. The comments for those routines describe what particular + * operations are valid after calling them. + * + * The object number must be a valid, allocated object number. + */ +int dmu_buf_hold(objset_t *os, uint64_t object, uint64_t offset, + void *tag, dmu_buf_t **, int flags); + +/* + * Add a reference to a dmu buffer that has already been held via + * dmu_buf_hold() in the current context. + */ +void dmu_buf_add_ref(dmu_buf_t *db, void* tag); + +/* + * Attempt to add a reference to a dmu buffer that is in an unknown state, + * using a pointer that may have been invalidated by eviction processing. + * The request will succeed if the passed in dbuf still represents the + * same os/object/blkid, is ineligible for eviction, and has at least + * one hold by a user other than the syncer. + */ +boolean_t dmu_buf_try_add_ref(dmu_buf_t *, objset_t *os, uint64_t object, + uint64_t blkid, void *tag); + +void dmu_buf_rele(dmu_buf_t *db, void *tag); +uint64_t dmu_buf_refcount(dmu_buf_t *db); + +/* + * dmu_buf_hold_array holds the DMU buffers which contain all bytes in a + * range of an object. A pointer to an array of dmu_buf_t*'s is + * returned (in *dbpp). + * + * dmu_buf_rele_array releases the hold on an array of dmu_buf_t*'s, and + * frees the array. The hold on the array of buffers MUST be released + * with dmu_buf_rele_array. You can NOT release the hold on each buffer + * individually with dmu_buf_rele. + */ +int dmu_buf_hold_array_by_bonus(dmu_buf_t *db, uint64_t offset, + uint64_t length, int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp); +void dmu_buf_rele_array(dmu_buf_t **, int numbufs, void *tag); + +typedef void dmu_buf_evict_func_t(void *user_ptr); + +/* + * A DMU buffer user object may be associated with a dbuf for the + * duration of its lifetime. This allows the user of a dbuf (client) + * to attach private data to a dbuf (e.g. in-core only data such as a + * dnode_children_t, zap_t, or zap_leaf_t) and be optionally notified + * when that dbuf has been evicted. Clients typically respond to the + * eviction notification by freeing their private data, thus ensuring + * the same lifetime for both dbuf and private data. + * + * The mapping from a dmu_buf_user_t to any client private data is the + * client's responsibility. All current consumers of the API with private + * data embed a dmu_buf_user_t as the first member of the structure for + * their private data. This allows conversions between the two types + * with a simple cast. Since the DMU buf user API never needs access + * to the private data, other strategies can be employed if necessary + * or convenient for the client (e.g. using container_of() to do the + * conversion for private data that cannot have the dmu_buf_user_t as + * its first member). + * + * Eviction callbacks are executed without the dbuf mutex held or any + * other type of mechanism to guarantee that the dbuf is still available. + * For this reason, users must assume the dbuf has already been freed + * and not reference the dbuf from the callback context. + * + * Users requesting "immediate eviction" are notified as soon as the dbuf + * is only referenced by dirty records (dirties == holds). Otherwise the + * notification occurs after eviction processing for the dbuf begins. + */ +typedef struct dmu_buf_user { + /* + * Asynchronous user eviction callback state. + */ + taskq_ent_t dbu_tqent; + + /* This instance's eviction function pointer. */ + dmu_buf_evict_func_t *dbu_evict_func; +#ifdef ZFS_DEBUG + /* + * Pointer to user's dbuf pointer. NULL for clients that do + * not associate a dbuf with their user data. + * + * The dbuf pointer is cleared upon eviction so as to catch + * use-after-evict bugs in clients. + */ + dmu_buf_t **dbu_clear_on_evict_dbufp; +#endif +} dmu_buf_user_t; + +/* + * Initialize the given dmu_buf_user_t instance with the eviction function + * evict_func, to be called when the user is evicted. + * + * NOTE: This function should only be called once on a given dmu_buf_user_t. + * To allow enforcement of this, dbu must already be zeroed on entry. + */ +#ifdef __lint +/* Very ugly, but it beats issuing suppression directives in many Makefiles. */ +extern void +dmu_buf_init_user(dmu_buf_user_t *dbu, dmu_buf_evict_func_t *evict_func, + dmu_buf_t **clear_on_evict_dbufp); +#else /* __lint */ +static inline void +dmu_buf_init_user(dmu_buf_user_t *dbu, dmu_buf_evict_func_t *evict_func, + dmu_buf_t **clear_on_evict_dbufp) +{ + ASSERT(dbu->dbu_evict_func == NULL); + ASSERT(evict_func != NULL); + dbu->dbu_evict_func = evict_func; + taskq_init_ent(&dbu->dbu_tqent); +#ifdef ZFS_DEBUG + dbu->dbu_clear_on_evict_dbufp = clear_on_evict_dbufp; +#endif +} +#endif /* __lint */ + +/* + * Attach user data to a dbuf and mark it for normal (when the dbuf's + * data is cleared or its reference count goes to zero) eviction processing. + * + * Returns NULL on success, or the existing user if another user currently + * owns the buffer. + */ +void *dmu_buf_set_user(dmu_buf_t *db, dmu_buf_user_t *user); + +/* + * Attach user data to a dbuf and mark it for immediate (its dirty and + * reference counts are equal) eviction processing. + * + * Returns NULL on success, or the existing user if another user currently + * owns the buffer. + */ +void *dmu_buf_set_user_ie(dmu_buf_t *db, dmu_buf_user_t *user); + +/* + * Replace the current user of a dbuf. + * + * If given the current user of a dbuf, replaces the dbuf's user with + * "new_user" and returns the user data pointer that was replaced. + * Otherwise returns the current, and unmodified, dbuf user pointer. + */ +void *dmu_buf_replace_user(dmu_buf_t *db, + dmu_buf_user_t *old_user, dmu_buf_user_t *new_user); + +/* + * Remove the specified user data for a DMU buffer. + * + * Returns the user that was removed on success, or the current user if + * another user currently owns the buffer. + */ +void *dmu_buf_remove_user(dmu_buf_t *db, dmu_buf_user_t *user); + +/* + * Returns the user data (dmu_buf_user_t *) associated with this dbuf. + */ +void *dmu_buf_get_user(dmu_buf_t *db); + +/* Block until any in-progress dmu buf user evictions complete. */ +void dmu_buf_user_evict_wait(void); + +/* + * Returns the blkptr associated with this dbuf, or NULL if not set. + */ +struct blkptr *dmu_buf_get_blkptr(dmu_buf_t *db); + +/* + * Indicate that you are going to modify the buffer's data (db_data). + * + * The transaction (tx) must be assigned to a txg (ie. you've called + * dmu_tx_assign()). The buffer's object must be held in the tx + * (ie. you've called dmu_tx_hold_object(tx, db->db_object)). + */ +void dmu_buf_will_dirty(dmu_buf_t *db, dmu_tx_t *tx); + +/* + * Tells if the given dbuf is freeable. + */ +boolean_t dmu_buf_freeable(dmu_buf_t *); + +/* + * You must create a transaction, then hold the objects which you will + * (or might) modify as part of this transaction. Then you must assign + * the transaction to a transaction group. Once the transaction has + * been assigned, you can modify buffers which belong to held objects as + * part of this transaction. You can't modify buffers before the + * transaction has been assigned; you can't modify buffers which don't + * belong to objects which this transaction holds; you can't hold + * objects once the transaction has been assigned. You may hold an + * object which you are going to free (with dmu_object_free()), but you + * don't have to. + * + * You can abort the transaction before it has been assigned. + * + * Note that you may hold buffers (with dmu_buf_hold) at any time, + * regardless of transaction state. + */ + +#define DMU_NEW_OBJECT (-1ULL) +#define DMU_OBJECT_END (-1ULL) + +dmu_tx_t *dmu_tx_create(objset_t *os); +void dmu_tx_hold_write(dmu_tx_t *tx, uint64_t object, uint64_t off, int len); +void dmu_tx_hold_free(dmu_tx_t *tx, uint64_t object, uint64_t off, + uint64_t len); +void dmu_tx_hold_zap(dmu_tx_t *tx, uint64_t object, int add, const char *name); +void dmu_tx_hold_bonus(dmu_tx_t *tx, uint64_t object); +void dmu_tx_hold_spill(dmu_tx_t *tx, uint64_t object); +void dmu_tx_hold_sa(dmu_tx_t *tx, struct sa_handle *hdl, boolean_t may_grow); +void dmu_tx_hold_sa_create(dmu_tx_t *tx, int total_size); +void dmu_tx_abort(dmu_tx_t *tx); +int dmu_tx_assign(dmu_tx_t *tx, enum txg_how txg_how); +void dmu_tx_wait(dmu_tx_t *tx); +void dmu_tx_commit(dmu_tx_t *tx); + +/* + * To register a commit callback, dmu_tx_callback_register() must be called. + * + * dcb_data is a pointer to caller private data that is passed on as a + * callback parameter. The caller is responsible for properly allocating and + * freeing it. + * + * When registering a callback, the transaction must be already created, but + * it cannot be committed or aborted. It can be assigned to a txg or not. + * + * The callback will be called after the transaction has been safely written + * to stable storage and will also be called if the dmu_tx is aborted. + * If there is any error which prevents the transaction from being committed to + * disk, the callback will be called with a value of error != 0. + */ +typedef void dmu_tx_callback_func_t(void *dcb_data, int error); + +void dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *dcb_func, + void *dcb_data); + +/* + * Free up the data blocks for a defined range of a file. If size is + * -1, the range from offset to end-of-file is freed. + */ +int dmu_free_range(objset_t *os, uint64_t object, uint64_t offset, + uint64_t size, dmu_tx_t *tx); +int dmu_free_long_range(objset_t *os, uint64_t object, uint64_t offset, + uint64_t size); +int dmu_free_long_object(objset_t *os, uint64_t object); + +/* + * Convenience functions. + * + * Canfail routines will return 0 on success, or an errno if there is a + * nonrecoverable I/O error. + */ +#define DMU_READ_PREFETCH 0 /* prefetch */ +#define DMU_READ_NO_PREFETCH 1 /* don't prefetch */ +int dmu_read(objset_t *os, uint64_t object, uint64_t offset, uint64_t size, + void *buf, uint32_t flags); +void dmu_write(objset_t *os, uint64_t object, uint64_t offset, uint64_t size, + const void *buf, dmu_tx_t *tx); +void dmu_prealloc(objset_t *os, uint64_t object, uint64_t offset, uint64_t size, + dmu_tx_t *tx); +#ifdef _KERNEL +#include +int dmu_read_bio(objset_t *os, uint64_t object, struct bio *bio); +int dmu_write_bio(objset_t *os, uint64_t object, struct bio *bio, + dmu_tx_t *tx); +int dmu_read_uio(objset_t *os, uint64_t object, struct uio *uio, uint64_t size); +int dmu_read_uio_dbuf(dmu_buf_t *zdb, struct uio *uio, uint64_t size); +int dmu_write_uio(objset_t *os, uint64_t object, struct uio *uio, uint64_t size, + dmu_tx_t *tx); +int dmu_write_uio_dbuf(dmu_buf_t *zdb, struct uio *uio, uint64_t size, + dmu_tx_t *tx); +#endif +struct arc_buf *dmu_request_arcbuf(dmu_buf_t *handle, int size); +void dmu_return_arcbuf(struct arc_buf *buf); +void dmu_assign_arcbuf(dmu_buf_t *handle, uint64_t offset, struct arc_buf *buf, + dmu_tx_t *tx); +int dmu_xuio_init(struct xuio *uio, int niov); +void dmu_xuio_fini(struct xuio *uio); +int dmu_xuio_add(struct xuio *uio, struct arc_buf *abuf, offset_t off, + size_t n); +int dmu_xuio_cnt(struct xuio *uio); +struct arc_buf *dmu_xuio_arcbuf(struct xuio *uio, int i); +void dmu_xuio_clear(struct xuio *uio, int i); +void xuio_stat_wbuf_copied(void); +void xuio_stat_wbuf_nocopy(void); + +extern int zfs_prefetch_disable; +extern int zfs_max_recordsize; + +/* + * Asynchronously try to read in the data. + */ +void dmu_prefetch(objset_t *os, uint64_t object, uint64_t offset, + uint64_t len); + +typedef struct dmu_object_info { + /* All sizes are in bytes unless otherwise indicated. */ + uint32_t doi_data_block_size; + uint32_t doi_metadata_block_size; + dmu_object_type_t doi_type; + dmu_object_type_t doi_bonus_type; + uint64_t doi_bonus_size; + uint8_t doi_indirection; /* 2 = dnode->indirect->data */ + uint8_t doi_checksum; + uint8_t doi_compress; + uint8_t doi_nblkptr; + uint8_t doi_pad[4]; + uint64_t doi_physical_blocks_512; /* data + metadata, 512b blks */ + uint64_t doi_max_offset; + uint64_t doi_fill_count; /* number of non-empty blocks */ +} dmu_object_info_t; + +typedef void (*const arc_byteswap_func_t)(void *buf, size_t size); + +typedef struct dmu_object_type_info { + dmu_object_byteswap_t ot_byteswap; + boolean_t ot_metadata; + char *ot_name; +} dmu_object_type_info_t; + +typedef const struct dmu_object_byteswap_info { + arc_byteswap_func_t ob_func; + char *ob_name; +} dmu_object_byteswap_info_t; + +extern const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES]; +extern const dmu_object_byteswap_info_t dmu_ot_byteswap[DMU_BSWAP_NUMFUNCS]; + +/* + * Get information on a DMU object. + * + * Return 0 on success or ENOENT if object is not allocated. + * + * If doi is NULL, just indicates whether the object exists. + */ +int dmu_object_info(objset_t *os, uint64_t object, dmu_object_info_t *doi); +void __dmu_object_info_from_dnode(struct dnode *dn, dmu_object_info_t *doi); +/* Like dmu_object_info, but faster if you have a held dnode in hand. */ +void dmu_object_info_from_dnode(struct dnode *dn, dmu_object_info_t *doi); +/* Like dmu_object_info, but faster if you have a held dbuf in hand. */ +void dmu_object_info_from_db(dmu_buf_t *db, dmu_object_info_t *doi); +/* + * Like dmu_object_info_from_db, but faster still when you only care about + * the size. This is specifically optimized for zfs_getattr(). + */ +void dmu_object_size_from_db(dmu_buf_t *db, uint32_t *blksize, + u_longlong_t *nblk512); + +typedef struct dmu_objset_stats { + uint64_t dds_num_clones; /* number of clones of this */ + uint64_t dds_creation_txg; + uint64_t dds_guid; + dmu_objset_type_t dds_type; + uint8_t dds_is_snapshot; + uint8_t dds_inconsistent; + char dds_origin[MAXNAMELEN]; +} dmu_objset_stats_t; + +/* + * Get stats on a dataset. + */ +void dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat); + +/* + * Add entries to the nvlist for all the objset's properties. See + * zfs_prop_table[] and zfs(1m) for details on the properties. + */ +void dmu_objset_stats(objset_t *os, struct nvlist *nv); + +/* + * Get the space usage statistics for statvfs(). + * + * refdbytes is the amount of space "referenced" by this objset. + * availbytes is the amount of space available to this objset, taking + * into account quotas & reservations, assuming that no other objsets + * use the space first. These values correspond to the 'referenced' and + * 'available' properties, described in the zfs(1m) manpage. + * + * usedobjs and availobjs are the number of objects currently allocated, + * and available. + */ +void dmu_objset_space(objset_t *os, uint64_t *refdbytesp, uint64_t *availbytesp, + uint64_t *usedobjsp, uint64_t *availobjsp); + +/* + * The fsid_guid is a 56-bit ID that can change to avoid collisions. + * (Contrast with the ds_guid which is a 64-bit ID that will never + * change, so there is a small probability that it will collide.) + */ +uint64_t dmu_objset_fsid_guid(objset_t *os); + +/* + * Get the [cm]time for an objset's snapshot dir + */ +timestruc_t dmu_objset_snap_cmtime(objset_t *os); + +int dmu_objset_is_snapshot(objset_t *os); + +extern struct spa *dmu_objset_spa(objset_t *os); +extern struct zilog *dmu_objset_zil(objset_t *os); +extern struct dsl_pool *dmu_objset_pool(objset_t *os); +extern struct dsl_dataset *dmu_objset_ds(objset_t *os); +extern void dmu_objset_name(objset_t *os, char *buf); +extern dmu_objset_type_t dmu_objset_type(objset_t *os); +extern uint64_t dmu_objset_id(objset_t *os); +extern zfs_sync_type_t dmu_objset_syncprop(objset_t *os); +extern zfs_logbias_op_t dmu_objset_logbias(objset_t *os); +extern int dmu_snapshot_list_next(objset_t *os, int namelen, char *name, + uint64_t *id, uint64_t *offp, boolean_t *case_conflict); +extern int dmu_snapshot_lookup(objset_t *os, const char *name, uint64_t *val); +extern int dmu_snapshot_realname(objset_t *os, char *name, char *real, + int maxlen, boolean_t *conflict); +extern int dmu_dir_list_next(objset_t *os, int namelen, char *name, + uint64_t *idp, uint64_t *offp); + +typedef int objset_used_cb_t(dmu_object_type_t bonustype, + void *bonus, uint64_t *userp, uint64_t *groupp); +extern void dmu_objset_register_type(dmu_objset_type_t ost, + objset_used_cb_t *cb); +extern void dmu_objset_set_user(objset_t *os, void *user_ptr); +extern void *dmu_objset_get_user(objset_t *os); + +/* + * Return the txg number for the given assigned transaction. + */ +uint64_t dmu_tx_get_txg(dmu_tx_t *tx); + +/* + * Synchronous write. + * If a parent zio is provided this function initiates a write on the + * provided buffer as a child of the parent zio. + * In the absence of a parent zio, the write is completed synchronously. + * At write completion, blk is filled with the bp of the written block. + * Note that while the data covered by this function will be on stable + * storage when the write completes this new data does not become a + * permanent part of the file until the associated transaction commits. + */ + +/* + * {zfs,zvol,ztest}_get_done() args + */ +typedef struct zgd { + struct zilog *zgd_zilog; + struct blkptr *zgd_bp; + dmu_buf_t *zgd_db; + struct rl *zgd_rl; + void *zgd_private; +} zgd_t; + +typedef void dmu_sync_cb_t(zgd_t *arg, int error); +int dmu_sync(struct zio *zio, uint64_t txg, dmu_sync_cb_t *done, zgd_t *zgd); + +/* + * Find the next hole or data block in file starting at *off + * Return found offset in *off. Return ESRCH for end of file. + */ +int dmu_offset_next(objset_t *os, uint64_t object, boolean_t hole, + uint64_t *off); + +/* + * Initial setup and final teardown. + */ +extern void dmu_init(void); +extern void dmu_fini(void); + +typedef void (*dmu_traverse_cb_t)(objset_t *os, void *arg, struct blkptr *bp, + uint64_t object, uint64_t offset, int len); +void dmu_traverse_objset(objset_t *os, uint64_t txg_start, + dmu_traverse_cb_t cb, void *arg); + +int dmu_diff(const char *tosnap_name, const char *fromsnap_name, + struct vnode *vp, offset_t *offp); + +/* CRC64 table */ +#define ZFS_CRC64_POLY 0xC96C5795D7870F42ULL /* ECMA-182, reflected form */ +extern uint64_t zfs_crc64_table[256]; + +extern int zfs_mdcomp_disable; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DMU_H */ diff --git a/zfs/include/sys/dmu_impl.h b/zfs/include/sys/dmu_impl.h new file mode 100644 index 000000000000..75d094f0812e --- /dev/null +++ b/zfs/include/sys/dmu_impl.h @@ -0,0 +1,286 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DMU_IMPL_H +#define _SYS_DMU_IMPL_H + +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This is the locking strategy for the DMU. Numbers in parenthesis are + * cases that use that lock order, referenced below: + * + * ARC is self-contained + * bplist is self-contained + * refcount is self-contained + * txg is self-contained (hopefully!) + * zst_lock + * zf_rwlock + * + * XXX try to improve evicting path? + * + * dp_config_rwlock > os_obj_lock > dn_struct_rwlock > + * dn_dbufs_mtx > hash_mutexes > db_mtx > dd_lock > leafs + * + * dp_config_rwlock + * must be held before: everything + * protects dd namespace changes + * protects property changes globally + * held from: + * dsl_dir_open/r: + * dsl_dir_create_sync/w: + * dsl_dir_sync_destroy/w: + * dsl_dir_rename_sync/w: + * dsl_prop_changed_notify/r: + * + * os_obj_lock + * must be held before: + * everything except dp_config_rwlock + * protects os_obj_next + * held from: + * dmu_object_alloc: dn_dbufs_mtx, db_mtx, hash_mutexes, dn_struct_rwlock + * + * dn_struct_rwlock + * must be held before: + * everything except dp_config_rwlock and os_obj_lock + * protects structure of dnode (eg. nlevels) + * db_blkptr can change when syncing out change to nlevels + * dn_maxblkid + * dn_nlevels + * dn_*blksz* + * phys nlevels, maxblkid, physical blkptr_t's (?) + * held from: + * callers of dbuf_read_impl, dbuf_hold[_impl], dbuf_prefetch + * dmu_object_info_from_dnode: dn_dirty_mtx (dn_datablksz) + * dmu_tx_count_free: + * dbuf_read_impl: db_mtx, dmu_zfetch() + * dmu_zfetch: zf_rwlock/r, zst_lock, dbuf_prefetch() + * dbuf_new_size: db_mtx + * dbuf_dirty: db_mtx + * dbuf_findbp: (callers, phys? - the real need) + * dbuf_create: dn_dbufs_mtx, hash_mutexes, db_mtx (phys?) + * dbuf_prefetch: dn_dirty_mtx, hash_mutexes, db_mtx, dn_dbufs_mtx + * dbuf_hold_impl: hash_mutexes, db_mtx, dn_dbufs_mtx, dbuf_findbp() + * dnode_sync/w (increase_indirection): db_mtx (phys) + * dnode_set_blksz/w: dn_dbufs_mtx (dn_*blksz*) + * dnode_new_blkid/w: (dn_maxblkid) + * dnode_free_range/w: dn_dirty_mtx (dn_maxblkid) + * dnode_next_offset: (phys) + * + * dn_dbufs_mtx + * must be held before: + * db_mtx, hash_mutexes + * protects: + * dn_dbufs + * dn_evicted + * held from: + * dmu_evict_user: db_mtx (dn_dbufs) + * dbuf_free_range: db_mtx (dn_dbufs) + * dbuf_remove_ref: db_mtx, callees: + * dbuf_hash_remove: hash_mutexes, db_mtx + * dbuf_create: hash_mutexes, db_mtx (dn_dbufs) + * dnode_set_blksz: (dn_dbufs) + * + * hash_mutexes (global) + * must be held before: + * db_mtx + * protects dbuf_hash_table (global) and db_hash_next + * held from: + * dbuf_find: db_mtx + * dbuf_hash_insert: db_mtx + * dbuf_hash_remove: db_mtx + * + * db_mtx (meta-leaf) + * must be held before: + * dn_mtx, dn_dirty_mtx, dd_lock (leaf mutexes) + * protects: + * db_state + * db_holds + * db_buf + * db_changed + * db_data_pending + * db_dirtied + * db_link + * db_dirty_node (??) + * db_dirtycnt + * db_d.* + * db.* + * held from: + * dbuf_dirty: dn_mtx, dn_dirty_mtx + * dbuf_dirty->dsl_dir_willuse_space: dd_lock + * dbuf_dirty->dbuf_new_block->dsl_dataset_block_freeable: dd_lock + * dbuf_undirty: dn_dirty_mtx (db_d) + * dbuf_write_done: dn_dirty_mtx (db_state) + * dbuf_* + * dmu_buf_update_user: none (db_d) + * dmu_evict_user: none (db_d) (maybe can eliminate) + * dbuf_find: none (db_holds) + * dbuf_hash_insert: none (db_holds) + * dmu_buf_read_array_impl: none (db_state, db_changed) + * dmu_sync: none (db_dirty_node, db_d) + * dnode_reallocate: none (db) + * + * dn_mtx (leaf) + * protects: + * dn_dirty_dbufs + * dn_ranges + * phys accounting + * dn_allocated_txg + * dn_free_txg + * dn_assigned_txg + * dd_assigned_tx + * dn_notxholds + * dn_dirtyctx + * dn_dirtyctx_firstset + * (dn_phys copy fields?) + * (dn_phys contents?) + * held from: + * dnode_* + * dbuf_dirty: none + * dbuf_sync: none (phys accounting) + * dbuf_undirty: none (dn_ranges, dn_dirty_dbufs) + * dbuf_write_done: none (phys accounting) + * dmu_object_info_from_dnode: none (accounting) + * dmu_tx_commit: none + * dmu_tx_hold_object_impl: none + * dmu_tx_try_assign: dn_notxholds(cv) + * dmu_tx_unassign: none + * + * dd_lock + * must be held before: + * ds_lock + * ancestors' dd_lock + * protects: + * dd_prop_cbs + * dd_sync_* + * dd_used_bytes + * dd_tempreserved + * dd_space_towrite + * dd_myname + * dd_phys accounting? + * held from: + * dsl_dir_* + * dsl_prop_changed_notify: none (dd_prop_cbs) + * dsl_prop_register: none (dd_prop_cbs) + * dsl_prop_unregister: none (dd_prop_cbs) + * dsl_dataset_block_freeable: none (dd_sync_*) + * + * os_lock (leaf) + * protects: + * os_dirty_dnodes + * os_free_dnodes + * os_dnodes + * os_downgraded_dbufs + * dn_dirtyblksz + * dn_dirty_link + * held from: + * dnode_create: none (os_dnodes) + * dnode_destroy: none (os_dnodes) + * dnode_setdirty: none (dn_dirtyblksz, os_*_dnodes) + * dnode_free: none (dn_dirtyblksz, os_*_dnodes) + * + * ds_lock + * protects: + * ds_objset + * ds_open_refcount + * ds_snapname + * ds_phys accounting + * ds_phys userrefs zapobj + * ds_reserved + * held from: + * dsl_dataset_* + * + * dr_mtx (leaf) + * protects: + * dr_children + * held from: + * dbuf_dirty + * dbuf_undirty + * dbuf_sync_indirect + * dnode_new_blkid + */ + +struct objset; +struct dmu_pool; + +typedef struct dmu_xuio { + int next; + int cnt; + struct arc_buf **bufs; + iovec_t *iovp; +} dmu_xuio_t; + +/* + * The list of data whose inclusion in a send stream can be pending from + * one call to backup_cb to another. Multiple calls to dump_free() and + * dump_freeobjects() can be aggregated into a single DRR_FREE or + * DRR_FREEOBJECTS replay record. + */ +typedef enum { + PENDING_NONE, + PENDING_FREE, + PENDING_FREEOBJECTS +} dmu_pendop_t; + +typedef struct dmu_sendarg { + list_node_t dsa_link; + dmu_replay_record_t *dsa_drr; + vnode_t *dsa_vp; + int dsa_outfd; + proc_t *dsa_proc; + offset_t *dsa_off; + objset_t *dsa_os; + zio_cksum_t dsa_zc; + uint64_t dsa_toguid; + int dsa_err; + dmu_pendop_t dsa_pending_op; + boolean_t dsa_incremental; + uint64_t dsa_featureflags; + uint64_t dsa_last_data_object; + uint64_t dsa_last_data_offset; +} dmu_sendarg_t; + +void dmu_object_zapify(objset_t *, uint64_t, dmu_object_type_t, dmu_tx_t *); +void dmu_object_free_zapified(objset_t *, uint64_t, dmu_tx_t *); +int dmu_buf_hold_noread(objset_t *, uint64_t, uint64_t, + void *, dmu_buf_t **); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DMU_IMPL_H */ diff --git a/zfs/include/sys/dmu_objset.h b/zfs/include/sys/dmu_objset.h new file mode 100644 index 000000000000..837a0d5107b7 --- /dev/null +++ b/zfs/include/sys/dmu_objset.h @@ -0,0 +1,186 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#ifndef _SYS_DMU_OBJSET_H +#define _SYS_DMU_OBJSET_H + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern krwlock_t os_lock; + +struct dsl_pool; +struct dsl_dataset; +struct dmu_tx; + +#define OBJSET_PHYS_SIZE 2048 +#define OBJSET_OLD_PHYS_SIZE 1024 + +#define OBJSET_BUF_HAS_USERUSED(buf) \ + (arc_buf_size(buf) > OBJSET_OLD_PHYS_SIZE) + +#define OBJSET_FLAG_USERACCOUNTING_COMPLETE (1ULL<<0) + +typedef struct objset_phys { + dnode_phys_t os_meta_dnode; + zil_header_t os_zil_header; + uint64_t os_type; + uint64_t os_flags; + char os_pad[OBJSET_PHYS_SIZE - sizeof (dnode_phys_t)*3 - + sizeof (zil_header_t) - sizeof (uint64_t)*2]; + dnode_phys_t os_userused_dnode; + dnode_phys_t os_groupused_dnode; +} objset_phys_t; + +struct objset { + /* Immutable: */ + struct dsl_dataset *os_dsl_dataset; + spa_t *os_spa; + arc_buf_t *os_phys_buf; + objset_phys_t *os_phys; + /* + * The following "special" dnodes have no parent, are exempt + * from dnode_move(), and are not recorded in os_dnodes, but they + * root their descendents in this objset using handles anyway, so + * that all access to dnodes from dbufs consistently uses handles. + */ + dnode_handle_t os_meta_dnode; + dnode_handle_t os_userused_dnode; + dnode_handle_t os_groupused_dnode; + zilog_t *os_zil; + + list_node_t os_evicting_node; + + /* can change, under dsl_dir's locks: */ + enum zio_checksum os_checksum; + enum zio_compress os_compress; + uint8_t os_copies; + enum zio_checksum os_dedup_checksum; + boolean_t os_dedup_verify; + zfs_logbias_op_t os_logbias; + zfs_cache_type_t os_primary_cache; + zfs_cache_type_t os_secondary_cache; + zfs_sync_type_t os_sync; + zfs_redundant_metadata_type_t os_redundant_metadata; + int os_recordsize; + + /* no lock needed: */ + struct dmu_tx *os_synctx; /* XXX sketchy */ + blkptr_t *os_rootbp; + zil_header_t os_zil_header; + list_t os_synced_dnodes; + uint64_t os_flags; + + /* Protected by os_obj_lock */ + kmutex_t os_obj_lock; + uint64_t os_obj_next; + + /* Protected by os_lock */ + kmutex_t os_lock; + list_t os_dirty_dnodes[TXG_SIZE]; + list_t os_free_dnodes[TXG_SIZE]; + list_t os_dnodes; + list_t os_downgraded_dbufs; + + /* stuff we store for the user */ + kmutex_t os_user_ptr_lock; + void *os_user_ptr; + sa_os_t *os_sa; +}; + +#define DMU_META_OBJSET 0 +#define DMU_META_DNODE_OBJECT 0 +#define DMU_OBJECT_IS_SPECIAL(obj) ((int64_t)(obj) <= 0) +#define DMU_META_DNODE(os) ((os)->os_meta_dnode.dnh_dnode) +#define DMU_USERUSED_DNODE(os) ((os)->os_userused_dnode.dnh_dnode) +#define DMU_GROUPUSED_DNODE(os) ((os)->os_groupused_dnode.dnh_dnode) + +#define DMU_OS_IS_L2CACHEABLE(os) \ + ((os)->os_secondary_cache == ZFS_CACHE_ALL || \ + (os)->os_secondary_cache == ZFS_CACHE_METADATA) + +#define DMU_OS_IS_L2COMPRESSIBLE(os) (zfs_mdcomp_disable == B_FALSE) + +/* called from zpl */ +int dmu_objset_hold(const char *name, void *tag, objset_t **osp); +int dmu_objset_own(const char *name, dmu_objset_type_t type, + boolean_t readonly, void *tag, objset_t **osp); +int dmu_objset_own_obj(struct dsl_pool *dp, uint64_t obj, + dmu_objset_type_t type, boolean_t readonly, void *tag, objset_t **osp); +void dmu_objset_refresh_ownership(objset_t *os, void *tag); +void dmu_objset_rele(objset_t *os, void *tag); +void dmu_objset_disown(objset_t *os, void *tag); +int dmu_objset_from_ds(struct dsl_dataset *ds, objset_t **osp); + +void dmu_objset_stats(objset_t *os, nvlist_t *nv); +void dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat); +void dmu_objset_space(objset_t *os, uint64_t *refdbytesp, uint64_t *availbytesp, + uint64_t *usedobjsp, uint64_t *availobjsp); +uint64_t dmu_objset_fsid_guid(objset_t *os); +int dmu_objset_find_dp(struct dsl_pool *dp, uint64_t ddobj, + int func(struct dsl_pool *, struct dsl_dataset *, void *), + void *arg, int flags); +void dmu_objset_evict_dbufs(objset_t *os); +timestruc_t dmu_objset_snap_cmtime(objset_t *os); + +/* called from dsl */ +void dmu_objset_sync(objset_t *os, zio_t *zio, dmu_tx_t *tx); +boolean_t dmu_objset_is_dirty(objset_t *os, uint64_t txg); +objset_t *dmu_objset_create_impl(spa_t *spa, struct dsl_dataset *ds, + blkptr_t *bp, dmu_objset_type_t type, dmu_tx_t *tx); +int dmu_objset_open_impl(spa_t *spa, struct dsl_dataset *ds, blkptr_t *bp, + objset_t **osp); +void dmu_objset_evict(objset_t *os); +void dmu_objset_do_userquota_updates(objset_t *os, dmu_tx_t *tx); +void dmu_objset_userquota_get_ids(dnode_t *dn, boolean_t before, dmu_tx_t *tx); +boolean_t dmu_objset_userused_enabled(objset_t *os); +int dmu_objset_userspace_upgrade(objset_t *os); +boolean_t dmu_objset_userspace_present(objset_t *os); +int dmu_fsname(const char *snapname, char *buf); + +void dmu_objset_evict_done(objset_t *os); + +void dmu_objset_init(void); +void dmu_objset_fini(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DMU_OBJSET_H */ diff --git a/zfs/include/sys/dmu_send.h b/zfs/include/sys/dmu_send.h new file mode 100644 index 000000000000..2442a1f8aab1 --- /dev/null +++ b/zfs/include/sys/dmu_send.h @@ -0,0 +1,73 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2013, Joyent, Inc. All rights reserved. + */ + +#ifndef _DMU_SEND_H +#define _DMU_SEND_H + +#include +#include + +struct vnode; +struct dsl_dataset; +struct drr_begin; +struct avl_tree; + +int dmu_send(const char *tosnap, const char *fromsnap, + boolean_t embedok, boolean_t large_block_ok, + int outfd, struct vnode *vp, offset_t *off); +int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds, + uint64_t *sizep); +int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg, + uint64_t *sizep); +int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap, + boolean_t embedok, boolean_t large_block_ok, + int outfd, struct vnode *vp, offset_t *off); + +typedef struct dmu_recv_cookie { + struct dsl_dataset *drc_ds; + struct drr_begin *drc_drrb; + const char *drc_tofs; + const char *drc_tosnap; + boolean_t drc_newfs; + boolean_t drc_byteswap; + boolean_t drc_force; + struct avl_tree *drc_guid_to_ds_map; + zio_cksum_t drc_cksum; + uint64_t drc_newsnapobj; + void *drc_owner; + cred_t *drc_cred; +} dmu_recv_cookie_t; + +int dmu_recv_begin(char *tofs, char *tosnap, struct drr_begin *drrb, + boolean_t force, char *origin, dmu_recv_cookie_t *drc); +int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp, + int cleanup_fd, uint64_t *action_handlep); +int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner); +boolean_t dmu_objset_is_receiving(objset_t *os); + +#endif /* _DMU_SEND_H */ diff --git a/zfs/include/sys/dmu_traverse.h b/zfs/include/sys/dmu_traverse.h new file mode 100644 index 000000000000..544b721e4612 --- /dev/null +++ b/zfs/include/sys/dmu_traverse.h @@ -0,0 +1,67 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DMU_TRAVERSE_H +#define _SYS_DMU_TRAVERSE_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dnode_phys; +struct dsl_dataset; +struct zilog; +struct arc_buf; + +typedef int (blkptr_cb_t)(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const struct dnode_phys *dnp, void *arg); + +#define TRAVERSE_PRE (1<<0) +#define TRAVERSE_POST (1<<1) +#define TRAVERSE_PREFETCH_METADATA (1<<2) +#define TRAVERSE_PREFETCH_DATA (1<<3) +#define TRAVERSE_PREFETCH (TRAVERSE_PREFETCH_METADATA | TRAVERSE_PREFETCH_DATA) +#define TRAVERSE_HARD (1<<4) + +/* Special traverse error return value to indicate skipping of children */ +#define TRAVERSE_VISIT_NO_CHILDREN -1 + +int traverse_dataset(struct dsl_dataset *ds, + uint64_t txg_start, int flags, blkptr_cb_t func, void *arg); +int traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr, + uint64_t txg_start, zbookmark_phys_t *resume, int flags, + blkptr_cb_t func, void *arg); +int traverse_pool(spa_t *spa, + uint64_t txg_start, int flags, blkptr_cb_t func, void *arg); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DMU_TRAVERSE_H */ diff --git a/zfs/include/sys/dmu_tx.h b/zfs/include/sys/dmu_tx.h new file mode 100644 index 000000000000..c70c97da03f2 --- /dev/null +++ b/zfs/include/sys/dmu_tx.h @@ -0,0 +1,193 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DMU_TX_H +#define _SYS_DMU_TX_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dmu_buf_impl; +struct dmu_tx_hold; +struct dnode_link; +struct dsl_pool; +struct dnode; +struct dsl_dir; + +struct dmu_tx { + /* + * No synchronization is needed because a tx can only be handled + * by one thread. + */ + list_t tx_holds; /* list of dmu_tx_hold_t */ + objset_t *tx_objset; + struct dsl_dir *tx_dir; + struct dsl_pool *tx_pool; + uint64_t tx_txg; + uint64_t tx_lastsnap_txg; + uint64_t tx_lasttried_txg; + txg_handle_t tx_txgh; + void *tx_tempreserve_cookie; + struct dmu_tx_hold *tx_needassign_txh; + + /* list of dmu_tx_callback_t on this dmu_tx */ + list_t tx_callbacks; + + /* placeholder for syncing context, doesn't need specific holds */ + boolean_t tx_anyobj; + + /* has this transaction already been delayed? */ + boolean_t tx_waited; + + /* time this transaction was created */ + hrtime_t tx_start; + + /* need to wait for sufficient dirty space */ + boolean_t tx_wait_dirty; + + int tx_err; +#ifdef DEBUG_DMU_TX + uint64_t tx_space_towrite; + uint64_t tx_space_tofree; + uint64_t tx_space_tooverwrite; + uint64_t tx_space_tounref; + refcount_t tx_space_written; + refcount_t tx_space_freed; +#endif +}; + +enum dmu_tx_hold_type { + THT_NEWOBJECT, + THT_WRITE, + THT_BONUS, + THT_FREE, + THT_ZAP, + THT_SPACE, + THT_SPILL, + THT_NUMTYPES +}; + +typedef struct dmu_tx_hold { + dmu_tx_t *txh_tx; + list_node_t txh_node; + struct dnode *txh_dnode; + uint64_t txh_space_towrite; + uint64_t txh_space_tofree; + uint64_t txh_space_tooverwrite; + uint64_t txh_space_tounref; + uint64_t txh_memory_tohold; + uint64_t txh_fudge; +#ifdef DEBUG_DMU_TX + enum dmu_tx_hold_type txh_type; + uint64_t txh_arg1; + uint64_t txh_arg2; +#endif +} dmu_tx_hold_t; + +typedef struct dmu_tx_callback { + list_node_t dcb_node; /* linked to tx_callbacks list */ + dmu_tx_callback_func_t *dcb_func; /* caller function pointer */ + void *dcb_data; /* caller private data */ +} dmu_tx_callback_t; + +/* + * Used for dmu tx kstat. + */ +typedef struct dmu_tx_stats { + kstat_named_t dmu_tx_assigned; + kstat_named_t dmu_tx_delay; + kstat_named_t dmu_tx_error; + kstat_named_t dmu_tx_suspended; + kstat_named_t dmu_tx_group; + kstat_named_t dmu_tx_memory_reserve; + kstat_named_t dmu_tx_memory_reclaim; + kstat_named_t dmu_tx_dirty_throttle; + kstat_named_t dmu_tx_dirty_delay; + kstat_named_t dmu_tx_dirty_over_max; + kstat_named_t dmu_tx_quota; +} dmu_tx_stats_t; + +extern dmu_tx_stats_t dmu_tx_stats; + +#define DMU_TX_STAT_INCR(stat, val) \ + atomic_add_64(&dmu_tx_stats.stat.value.ui64, (val)); +#define DMU_TX_STAT_BUMP(stat) \ + DMU_TX_STAT_INCR(stat, 1); + +/* + * These routines are defined in dmu.h, and are called by the user. + */ +dmu_tx_t *dmu_tx_create(objset_t *dd); +int dmu_tx_assign(dmu_tx_t *tx, txg_how_t txg_how); +void dmu_tx_commit(dmu_tx_t *tx); +void dmu_tx_abort(dmu_tx_t *tx); +uint64_t dmu_tx_get_txg(dmu_tx_t *tx); +struct dsl_pool *dmu_tx_pool(dmu_tx_t *tx); +void dmu_tx_wait(dmu_tx_t *tx); + +void dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *dcb_func, + void *dcb_data); +void dmu_tx_do_callbacks(list_t *cb_list, int error); + +/* + * These routines are defined in dmu_spa.h, and are called by the SPA. + */ +extern dmu_tx_t *dmu_tx_create_assigned(struct dsl_pool *dp, uint64_t txg); + +/* + * These routines are only called by the DMU. + */ +dmu_tx_t *dmu_tx_create_dd(dsl_dir_t *dd); +int dmu_tx_is_syncing(dmu_tx_t *tx); +int dmu_tx_private_ok(dmu_tx_t *tx); +void dmu_tx_add_new_object(dmu_tx_t *tx, objset_t *os, uint64_t object); +void dmu_tx_willuse_space(dmu_tx_t *tx, int64_t delta); +void dmu_tx_dirty_buf(dmu_tx_t *tx, struct dmu_buf_impl *db); +int dmu_tx_holds(dmu_tx_t *tx, uint64_t object); +void dmu_tx_hold_space(dmu_tx_t *tx, uint64_t space); + +#ifdef DEBUG_DMU_TX +#define DMU_TX_DIRTY_BUF(tx, db) dmu_tx_dirty_buf(tx, db) +#else +#define DMU_TX_DIRTY_BUF(tx, db) +#endif + +void dmu_tx_init(void); +void dmu_tx_fini(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DMU_TX_H */ diff --git a/zfs/include/sys/dmu_zfetch.h b/zfs/include/sys/dmu_zfetch.h new file mode 100644 index 000000000000..38ed1d872129 --- /dev/null +++ b/zfs/include/sys/dmu_zfetch.h @@ -0,0 +1,76 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _DFETCH_H +#define _DFETCH_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern unsigned long zfetch_array_rd_sz; + +struct dnode; /* so we can reference dnode */ + +typedef enum zfetch_dirn { + ZFETCH_FORWARD = 1, /* prefetch increasing block numbers */ + ZFETCH_BACKWARD = -1 /* prefetch decreasing block numbers */ +} zfetch_dirn_t; + +typedef struct zstream { + uint64_t zst_offset; /* offset of starting block in range */ + uint64_t zst_len; /* length of range, in blocks */ + zfetch_dirn_t zst_direction; /* direction of prefetch */ + uint64_t zst_stride; /* length of stride, in blocks */ + uint64_t zst_ph_offset; /* prefetch offset, in blocks */ + uint64_t zst_cap; /* prefetch limit (cap), in blocks */ + kmutex_t zst_lock; /* protects stream */ + clock_t zst_last; /* lbolt of last prefetch */ + list_node_t zst_node; /* next zstream here */ +} zstream_t; + +typedef struct zfetch { + krwlock_t zf_rwlock; /* protects zfetch structure */ + list_t zf_stream; /* AVL tree of zstream_t's */ + struct dnode *zf_dnode; /* dnode that owns this zfetch */ + uint32_t zf_stream_cnt; /* # of active streams */ + uint64_t zf_alloc_fail; /* # of failed attempts to alloc strm */ +} zfetch_t; + +void zfetch_init(void); +void zfetch_fini(void); + +void dmu_zfetch_init(zfetch_t *, struct dnode *); +void dmu_zfetch_rele(zfetch_t *); +void dmu_zfetch(zfetch_t *, uint64_t, uint64_t, int); + + +#ifdef __cplusplus +} +#endif + +#endif /* _DFETCH_H */ diff --git a/zfs/include/sys/dnode.h b/zfs/include/sys/dnode.h new file mode 100644 index 000000000000..50e01155903a --- /dev/null +++ b/zfs/include/sys/dnode.h @@ -0,0 +1,366 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_DNODE_H +#define _SYS_DNODE_H + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * dnode_hold() flags. + */ +#define DNODE_MUST_BE_ALLOCATED 1 +#define DNODE_MUST_BE_FREE 2 + +/* + * dnode_next_offset() flags. + */ +#define DNODE_FIND_HOLE 1 +#define DNODE_FIND_BACKWARDS 2 +#define DNODE_FIND_HAVELOCK 4 + +/* + * Fixed constants. + */ +#define DNODE_SHIFT 9 /* 512 bytes */ +#define DN_MIN_INDBLKSHIFT 10 /* 1k */ +#define DN_MAX_INDBLKSHIFT 14 /* 16k */ +#define DNODE_BLOCK_SHIFT 14 /* 16k */ +#define DNODE_CORE_SIZE 64 /* 64 bytes for dnode sans blkptrs */ +#define DN_MAX_OBJECT_SHIFT 48 /* 256 trillion (zfs_fid_t limit) */ +#define DN_MAX_OFFSET_SHIFT 64 /* 2^64 bytes in a dnode */ + +/* + * dnode id flags + * + * Note: a file will never ever have its + * ids moved from bonus->spill + * and only in a crypto environment would it be on spill + */ +#define DN_ID_CHKED_BONUS 0x1 +#define DN_ID_CHKED_SPILL 0x2 +#define DN_ID_OLD_EXIST 0x4 +#define DN_ID_NEW_EXIST 0x8 + +/* + * Derived constants. + */ +#define DNODE_SIZE (1 << DNODE_SHIFT) +#define DN_MAX_NBLKPTR ((DNODE_SIZE - DNODE_CORE_SIZE) >> SPA_BLKPTRSHIFT) +#define DN_MAX_BONUSLEN (DNODE_SIZE - DNODE_CORE_SIZE - (1 << SPA_BLKPTRSHIFT)) +#define DN_MAX_OBJECT (1ULL << DN_MAX_OBJECT_SHIFT) +#define DN_ZERO_BONUSLEN (DN_MAX_BONUSLEN + 1) +#define DN_KILL_SPILLBLK (1) + +#define DNODES_PER_BLOCK_SHIFT (DNODE_BLOCK_SHIFT - DNODE_SHIFT) +#define DNODES_PER_BLOCK (1ULL << DNODES_PER_BLOCK_SHIFT) +#define DNODES_PER_LEVEL_SHIFT (DN_MAX_INDBLKSHIFT - SPA_BLKPTRSHIFT) +#define DNODES_PER_LEVEL (1ULL << DNODES_PER_LEVEL_SHIFT) + +/* The +2 here is a cheesy way to round up */ +#define DN_MAX_LEVELS (2 + ((DN_MAX_OFFSET_SHIFT - SPA_MINBLOCKSHIFT) / \ + (DN_MIN_INDBLKSHIFT - SPA_BLKPTRSHIFT))) + +#define DN_BONUS(dnp) ((void*)((dnp)->dn_bonus + \ + (((dnp)->dn_nblkptr - 1) * sizeof (blkptr_t)))) + +#define DN_USED_BYTES(dnp) (((dnp)->dn_flags & DNODE_FLAG_USED_BYTES) ? \ + (dnp)->dn_used : (dnp)->dn_used << SPA_MINBLOCKSHIFT) + +#define EPB(blkshift, typeshift) (1 << (blkshift - typeshift)) + +struct dmu_buf_impl; +struct objset; +struct zio; + +enum dnode_dirtycontext { + DN_UNDIRTIED, + DN_DIRTY_OPEN, + DN_DIRTY_SYNC +}; + +/* Is dn_used in bytes? if not, it's in multiples of SPA_MINBLOCKSIZE */ +#define DNODE_FLAG_USED_BYTES (1<<0) +#define DNODE_FLAG_USERUSED_ACCOUNTED (1<<1) + +/* Does dnode have a SA spill blkptr in bonus? */ +#define DNODE_FLAG_SPILL_BLKPTR (1<<2) + +typedef struct dnode_phys { + uint8_t dn_type; /* dmu_object_type_t */ + uint8_t dn_indblkshift; /* ln2(indirect block size) */ + uint8_t dn_nlevels; /* 1=dn_blkptr->data blocks */ + uint8_t dn_nblkptr; /* length of dn_blkptr */ + uint8_t dn_bonustype; /* type of data in bonus buffer */ + uint8_t dn_checksum; /* ZIO_CHECKSUM type */ + uint8_t dn_compress; /* ZIO_COMPRESS type */ + uint8_t dn_flags; /* DNODE_FLAG_* */ + uint16_t dn_datablkszsec; /* data block size in 512b sectors */ + uint16_t dn_bonuslen; /* length of dn_bonus */ + uint8_t dn_pad2[4]; + + /* accounting is protected by dn_dirty_mtx */ + uint64_t dn_maxblkid; /* largest allocated block ID */ + uint64_t dn_used; /* bytes (or sectors) of disk space */ + + uint64_t dn_pad3[4]; + + /* + * The tail region is 448 bytes, and there are three ways to + * look at it. + * + * 0 64 128 192 256 320 384 448 (offset) + * +---------------+---------------+---------------+-------+ + * | dn_blkptr[0] | dn_blkptr[1] | dn_blkptr[2] | / | + * +---------------+---------------+---------------+-------+ + * | dn_blkptr[0] | dn_bonus[0..319] | + * +---------------+-----------------------+---------------+ + * | dn_blkptr[0] | / | dn_spill | + * +---------------+-----------------------+---------------+ + */ + union { + blkptr_t dn_blkptr[1+DN_MAX_BONUSLEN/sizeof (blkptr_t)]; + struct { + blkptr_t __dn_ignore1; + uint8_t dn_bonus[DN_MAX_BONUSLEN]; + }; + struct { + blkptr_t __dn_ignore2; + uint8_t __dn_ignore3[DN_MAX_BONUSLEN-sizeof (blkptr_t)]; + blkptr_t dn_spill; + }; + }; +} dnode_phys_t; + +typedef struct dnode { + /* + * Protects the structure of the dnode, including the number of levels + * of indirection (dn_nlevels), dn_maxblkid, and dn_next_* + */ + krwlock_t dn_struct_rwlock; + + /* Our link on dn_objset->os_dnodes list; protected by os_lock. */ + list_node_t dn_link; + + /* immutable: */ + struct objset *dn_objset; + uint64_t dn_object; + struct dmu_buf_impl *dn_dbuf; + struct dnode_handle *dn_handle; + dnode_phys_t *dn_phys; /* pointer into dn->dn_dbuf->db.db_data */ + + /* + * Copies of stuff in dn_phys. They're valid in the open + * context (eg. even before the dnode is first synced). + * Where necessary, these are protected by dn_struct_rwlock. + */ + dmu_object_type_t dn_type; /* object type */ + uint16_t dn_bonuslen; /* bonus length */ + uint8_t dn_bonustype; /* bonus type */ + uint8_t dn_nblkptr; /* number of blkptrs (immutable) */ + uint8_t dn_checksum; /* ZIO_CHECKSUM type */ + uint8_t dn_compress; /* ZIO_COMPRESS type */ + uint8_t dn_nlevels; + uint8_t dn_indblkshift; + uint8_t dn_datablkshift; /* zero if blksz not power of 2! */ + uint8_t dn_moved; /* Has this dnode been moved? */ + uint16_t dn_datablkszsec; /* in 512b sectors */ + uint32_t dn_datablksz; /* in bytes */ + uint64_t dn_maxblkid; + uint8_t dn_next_type[TXG_SIZE]; + uint8_t dn_next_nblkptr[TXG_SIZE]; + uint8_t dn_next_nlevels[TXG_SIZE]; + uint8_t dn_next_indblkshift[TXG_SIZE]; + uint8_t dn_next_bonustype[TXG_SIZE]; + uint8_t dn_rm_spillblk[TXG_SIZE]; /* for removing spill blk */ + uint16_t dn_next_bonuslen[TXG_SIZE]; + uint32_t dn_next_blksz[TXG_SIZE]; /* next block size in bytes */ + + /* protected by dn_dbufs_mtx; declared here to fill 32-bit hole */ + uint32_t dn_dbufs_count; /* count of dn_dbufs */ + /* There are no level-0 blocks of this blkid or higher in dn_dbufs */ + uint64_t dn_unlisted_l0_blkid; + + /* protected by os_lock: */ + list_node_t dn_dirty_link[TXG_SIZE]; /* next on dataset's dirty */ + + /* protected by dn_mtx: */ + kmutex_t dn_mtx; + list_t dn_dirty_records[TXG_SIZE]; + struct range_tree *dn_free_ranges[TXG_SIZE]; + uint64_t dn_allocated_txg; + uint64_t dn_free_txg; + uint64_t dn_assigned_txg; + kcondvar_t dn_notxholds; + enum dnode_dirtycontext dn_dirtyctx; + uint8_t *dn_dirtyctx_firstset; /* dbg: contents meaningless */ + + /* protected by own devices */ + refcount_t dn_tx_holds; + refcount_t dn_holds; + + kmutex_t dn_dbufs_mtx; + /* + * Descendent dbufs, ordered by dbuf_compare. Note that dn_dbufs + * can contain multiple dbufs of the same (level, blkid) when a + * dbuf is marked DB_EVICTING without being removed from + * dn_dbufs. To maintain the avl invariant that there cannot be + * duplicate entries, we order the dbufs by an arbitrary value - + * their address in memory. This means that dn_dbufs cannot be used to + * directly look up a dbuf. Instead, callers must use avl_walk, have + * a reference to the dbuf, or look up a non-existant node with + * db_state = DB_SEARCH (see dbuf_free_range for an example). + */ + avl_tree_t dn_dbufs; + + /* protected by dn_struct_rwlock */ + struct dmu_buf_impl *dn_bonus; /* bonus buffer dbuf */ + + boolean_t dn_have_spill; /* have spill or are spilling */ + + /* parent IO for current sync write */ + zio_t *dn_zio; + + /* used in syncing context */ + uint64_t dn_oldused; /* old phys used bytes */ + uint64_t dn_oldflags; /* old phys dn_flags */ + uint64_t dn_olduid, dn_oldgid; + uint64_t dn_newuid, dn_newgid; + int dn_id_flags; + + /* holds prefetch structure */ + struct zfetch dn_zfetch; +} dnode_t; + +/* + * Adds a level of indirection between the dbuf and the dnode to avoid + * iterating descendent dbufs in dnode_move(). Handles are not allocated + * individually, but as an array of child dnodes in dnode_hold_impl(). + */ +typedef struct dnode_handle { + /* Protects dnh_dnode from modification by dnode_move(). */ + zrlock_t dnh_zrlock; + dnode_t *dnh_dnode; +} dnode_handle_t; + +typedef struct dnode_children { + dmu_buf_user_t dnc_dbu; /* User evict data */ + size_t dnc_count; /* number of children */ + dnode_handle_t dnc_children[]; /* sized dynamically */ +} dnode_children_t; + +typedef struct free_range { + avl_node_t fr_node; + uint64_t fr_blkid; + uint64_t fr_nblks; +} free_range_t; + +void dnode_special_open(struct objset *dd, dnode_phys_t *dnp, + uint64_t object, dnode_handle_t *dnh); +void dnode_special_close(dnode_handle_t *dnh); + +void dnode_setbonuslen(dnode_t *dn, int newsize, dmu_tx_t *tx); +void dnode_setbonus_type(dnode_t *dn, dmu_object_type_t, dmu_tx_t *tx); +void dnode_rm_spill(dnode_t *dn, dmu_tx_t *tx); + +int dnode_hold(struct objset *dd, uint64_t object, + void *ref, dnode_t **dnp); +int dnode_hold_impl(struct objset *dd, uint64_t object, int flag, + void *ref, dnode_t **dnp); +boolean_t dnode_add_ref(dnode_t *dn, void *ref); +void dnode_rele(dnode_t *dn, void *ref); +void dnode_rele_and_unlock(dnode_t *dn, void *tag); +void dnode_setdirty(dnode_t *dn, dmu_tx_t *tx); +void dnode_sync(dnode_t *dn, dmu_tx_t *tx); +void dnode_allocate(dnode_t *dn, dmu_object_type_t ot, int blocksize, int ibs, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx); +void dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx); +void dnode_free(dnode_t *dn, dmu_tx_t *tx); +void dnode_byteswap(dnode_phys_t *dnp); +void dnode_buf_byteswap(void *buf, size_t size); +void dnode_verify(dnode_t *dn); +int dnode_set_blksz(dnode_t *dn, uint64_t size, int ibs, dmu_tx_t *tx); +void dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx); +void dnode_diduse_space(dnode_t *dn, int64_t space); +void dnode_willuse_space(dnode_t *dn, int64_t space, dmu_tx_t *tx); +void dnode_new_blkid(dnode_t *dn, uint64_t blkid, dmu_tx_t *tx, boolean_t); +uint64_t dnode_block_freed(dnode_t *dn, uint64_t blkid); +void dnode_init(void); +void dnode_fini(void); +int dnode_next_offset(dnode_t *dn, int flags, uint64_t *off, + int minlvl, uint64_t blkfill, uint64_t txg); +void dnode_evict_dbufs(dnode_t *dn); +void dnode_evict_bonus(dnode_t *dn); + +#ifdef ZFS_DEBUG + +/* + * There should be a ## between the string literal and fmt, to make it + * clear that we're joining two strings together, but that piece of shit + * gcc doesn't support that preprocessor token. + */ +#define dprintf_dnode(dn, fmt, ...) do { \ + if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ + char __db_buf[32]; \ + uint64_t __db_obj = (dn)->dn_object; \ + if (__db_obj == DMU_META_DNODE_OBJECT) \ + (void) strcpy(__db_buf, "mdn"); \ + else \ + (void) snprintf(__db_buf, sizeof (__db_buf), "%lld", \ + (u_longlong_t)__db_obj);\ + dprintf_ds((dn)->dn_objset->os_dsl_dataset, "obj=%s " fmt, \ + __db_buf, __VA_ARGS__); \ + } \ +_NOTE(CONSTCOND) } while (0) + +#define DNODE_VERIFY(dn) dnode_verify(dn) +#define FREE_VERIFY(db, start, end, tx) free_verify(db, start, end, tx) + +#else + +#define dprintf_dnode(db, fmt, ...) +#define DNODE_VERIFY(dn) +#define FREE_VERIFY(db, start, end, tx) + +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DNODE_H */ diff --git a/zfs/include/sys/dsl_bookmark.h b/zfs/include/sys/dsl_bookmark.h new file mode 100644 index 000000000000..3591986d7bd7 --- /dev/null +++ b/zfs/include/sys/dsl_bookmark.h @@ -0,0 +1,51 @@ +/* + * CDDL HEADER START + * + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DSL_BOOKMARK_H +#define _SYS_DSL_BOOKMARK_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dsl_pool; +struct dsl_dataset; + +/* + * On disk zap object. + */ +typedef struct zfs_bookmark_phys { + uint64_t zbm_guid; /* guid of bookmarked dataset */ + uint64_t zbm_creation_txg; /* birth transaction group */ + uint64_t zbm_creation_time; /* bookmark creation time */ +} zfs_bookmark_phys_t; + +int dsl_bookmark_create(nvlist_t *, nvlist_t *); +int dsl_get_bookmarks(const char *, nvlist_t *, nvlist_t *); +int dsl_get_bookmarks_impl(dsl_dataset_t *, nvlist_t *, nvlist_t *); +int dsl_bookmark_destroy(nvlist_t *, nvlist_t *); +int dsl_bookmark_lookup(struct dsl_pool *, const char *, + struct dsl_dataset *, zfs_bookmark_phys_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_BOOKMARK_H */ diff --git a/zfs/include/sys/dsl_dataset.h b/zfs/include/sys/dsl_dataset.h new file mode 100644 index 000000000000..da6f21c2eeff --- /dev/null +++ b/zfs/include/sys/dsl_dataset.h @@ -0,0 +1,326 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2013, Joyent, Inc. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_DSL_DATASET_H +#define _SYS_DSL_DATASET_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dsl_dataset; +struct dsl_dir; +struct dsl_pool; + +#define DS_FLAG_INCONSISTENT (1ULL<<0) +#define DS_IS_INCONSISTENT(ds) \ + (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_INCONSISTENT) + +/* + * Do not allow this dataset to be promoted. + */ +#define DS_FLAG_NOPROMOTE (1ULL<<1) + +/* + * DS_FLAG_UNIQUE_ACCURATE is set if ds_unique_bytes has been correctly + * calculated for head datasets (starting with SPA_VERSION_UNIQUE_ACCURATE, + * refquota/refreservations). + */ +#define DS_FLAG_UNIQUE_ACCURATE (1ULL<<2) + +/* + * DS_FLAG_DEFER_DESTROY is set after 'zfs destroy -d' has been called + * on a dataset. This allows the dataset to be destroyed using 'zfs release'. + */ +#define DS_FLAG_DEFER_DESTROY (1ULL<<3) +#define DS_IS_DEFER_DESTROY(ds) \ + (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_DEFER_DESTROY) + +/* + * DS_FIELD_* are strings that are used in the "extensified" dataset zap object. + * They should be of the format :. + */ + +/* + * This field's value is the object ID of a zap object which contains the + * bookmarks of this dataset. If it is present, then this dataset is counted + * in the refcount of the SPA_FEATURES_BOOKMARKS feature. + */ +#define DS_FIELD_BOOKMARK_NAMES "com.delphix:bookmarks" + +/* + * This field is present (with value=0) if this dataset may contain large + * blocks (>128KB). If it is present, then this dataset + * is counted in the refcount of the SPA_FEATURE_LARGE_BLOCKS feature. + */ +#define DS_FIELD_LARGE_BLOCKS "org.open-zfs:large_blocks" + +/* + * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose + * name lookups should be performed case-insensitively. + */ +#define DS_FLAG_CI_DATASET (1ULL<<16) + +#define DS_CREATE_FLAG_NODIRTY (1ULL<<24) + +typedef struct dsl_dataset_phys { + uint64_t ds_dir_obj; /* DMU_OT_DSL_DIR */ + uint64_t ds_prev_snap_obj; /* DMU_OT_DSL_DATASET */ + uint64_t ds_prev_snap_txg; + uint64_t ds_next_snap_obj; /* DMU_OT_DSL_DATASET */ + uint64_t ds_snapnames_zapobj; /* DMU_OT_DSL_DS_SNAP_MAP 0 for snaps */ + uint64_t ds_num_children; /* clone/snap children; ==0 for head */ + uint64_t ds_creation_time; /* seconds since 1970 */ + uint64_t ds_creation_txg; + uint64_t ds_deadlist_obj; /* DMU_OT_DEADLIST */ + /* + * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes + * include all blocks referenced by this dataset, including those + * shared with any other datasets. + */ + uint64_t ds_referenced_bytes; + uint64_t ds_compressed_bytes; + uint64_t ds_uncompressed_bytes; + uint64_t ds_unique_bytes; /* only relevant to snapshots */ + /* + * The ds_fsid_guid is a 56-bit ID that can change to avoid + * collisions. The ds_guid is a 64-bit ID that will never + * change, so there is a small probability that it will collide. + */ + uint64_t ds_fsid_guid; + uint64_t ds_guid; + uint64_t ds_flags; /* DS_FLAG_* */ + blkptr_t ds_bp; + uint64_t ds_next_clones_obj; /* DMU_OT_DSL_CLONES */ + uint64_t ds_props_obj; /* DMU_OT_DSL_PROPS for snaps */ + uint64_t ds_userrefs_obj; /* DMU_OT_USERREFS */ + uint64_t ds_pad[5]; /* pad out to 320 bytes for good measure */ +} dsl_dataset_phys_t; + +typedef struct dsl_dataset { + dmu_buf_user_t ds_dbu; + + /* Immutable: */ + struct dsl_dir *ds_dir; + dmu_buf_t *ds_dbuf; + uint64_t ds_object; + uint64_t ds_fsid_guid; + boolean_t ds_is_snapshot; + + /* only used in syncing context, only valid for non-snapshots: */ + struct dsl_dataset *ds_prev; + uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */ + boolean_t ds_large_blocks; + boolean_t ds_need_large_blocks; + + /* has internal locking: */ + dsl_deadlist_t ds_deadlist; + bplist_t ds_pending_deadlist; + + /* protected by lock on pool's dp_dirty_datasets list */ + txg_node_t ds_dirty_link; + list_node_t ds_synced_link; + + /* + * ds_phys->ds_ is also protected by ds_lock. + * Protected by ds_lock: + */ + kmutex_t ds_lock; + objset_t *ds_objset; + uint64_t ds_userrefs; + void *ds_owner; + + /* + * Long holds prevent the ds from being destroyed; they allow the + * ds to remain held even after dropping the dp_config_rwlock. + * Owning counts as a long hold. See the comments above + * dsl_pool_hold() for details. + */ + refcount_t ds_longholds; + + /* no locking; only for making guesses */ + uint64_t ds_trysnap_txg; + + /* for objset_open() */ + kmutex_t ds_opening_lock; + + uint64_t ds_reserved; /* cached refreservation */ + uint64_t ds_quota; /* cached refquota */ + + kmutex_t ds_sendstream_lock; + list_t ds_sendstreams; + + /* Protected by ds_lock; keep at end of struct for better locality */ + char ds_snapname[MAXNAMELEN]; +} dsl_dataset_t; + +static inline dsl_dataset_phys_t * +dsl_dataset_phys(dsl_dataset_t *ds) +{ + return (ds->ds_dbuf->db_data); +} + +/* + * The max length of a temporary tag prefix is the number of hex digits + * required to express UINT64_MAX plus one for the hyphen. + */ +#define MAX_TAG_PREFIX_LEN 17 + +#define dsl_dataset_is_snapshot(ds) \ + (dsl_dataset_phys(ds)->ds_num_children != 0) + +#define DS_UNIQUE_IS_ACCURATE(ds) \ + ((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0) + +int dsl_dataset_hold(struct dsl_pool *dp, const char *name, void *tag, + dsl_dataset_t **dsp); +boolean_t dsl_dataset_try_add_ref(struct dsl_pool *dp, dsl_dataset_t *ds, + void *tag); +int dsl_dataset_hold_obj(struct dsl_pool *dp, uint64_t dsobj, void *tag, + dsl_dataset_t **); +void dsl_dataset_rele(dsl_dataset_t *ds, void *tag); +int dsl_dataset_own(struct dsl_pool *dp, const char *name, + void *tag, dsl_dataset_t **dsp); +int dsl_dataset_own_obj(struct dsl_pool *dp, uint64_t dsobj, + void *tag, dsl_dataset_t **dsp); +void dsl_dataset_disown(dsl_dataset_t *ds, void *tag); +void dsl_dataset_name(dsl_dataset_t *ds, char *name); +boolean_t dsl_dataset_tryown(dsl_dataset_t *ds, void *tag); +int dsl_dataset_namelen(dsl_dataset_t *ds); +uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname, + dsl_dataset_t *origin, uint64_t flags, cred_t *, dmu_tx_t *); +uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin, + uint64_t flags, dmu_tx_t *tx); +int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors); +int dsl_dataset_promote(const char *name, char *conflsnap); +int dsl_dataset_rename_snapshot(const char *fsname, + const char *oldsnapname, const char *newsnapname, boolean_t recursive); +int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname, + minor_t cleanup_minor, const char *htag); + +blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds); +void dsl_dataset_set_blkptr(dsl_dataset_t *ds, blkptr_t *bp, dmu_tx_t *tx); + +spa_t *dsl_dataset_get_spa(dsl_dataset_t *ds); + +boolean_t dsl_dataset_modified_since_snap(dsl_dataset_t *ds, + dsl_dataset_t *snap); + +void dsl_dataset_sync(dsl_dataset_t *os, zio_t *zio, dmu_tx_t *tx); + +void dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, + dmu_tx_t *tx); +int dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, + dmu_tx_t *tx, boolean_t async); +boolean_t dsl_dataset_block_freeable(dsl_dataset_t *ds, const blkptr_t *bp, + uint64_t blk_birth); +uint64_t dsl_dataset_prev_snap_txg(dsl_dataset_t *ds); +int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, + uint64_t *value); + +void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx); +void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv); +void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat); +void dsl_dataset_space(dsl_dataset_t *ds, + uint64_t *refdbytesp, uint64_t *availbytesp, + uint64_t *usedobjsp, uint64_t *availobjsp); +uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds); +int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); +int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); +boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds); +int dsl_dataset_activate_large_blocks(const char *dsname); +void dsl_dataset_activate_large_blocks_sync_impl(uint64_t dsobj, dmu_tx_t *tx); + +int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf); + +int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, + uint64_t asize, uint64_t inflight, uint64_t *used, + uint64_t *ref_rsrv); +int dsl_dataset_set_refquota(const char *dsname, zprop_source_t source, + uint64_t quota); +int dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source, + uint64_t reservation); + +boolean_t dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier, + uint64_t earlier_txg); +void dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag); +void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag); +boolean_t dsl_dataset_long_held(dsl_dataset_t *ds); + +int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone, + dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx); +void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone, + dsl_dataset_t *origin_head, dmu_tx_t *tx); +int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname, + dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr); +void dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname, + dmu_tx_t *tx); + +void dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj, + dmu_tx_t *tx); +void dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds); +int dsl_dataset_get_snapname(dsl_dataset_t *ds); +int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, + uint64_t *value); +int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx, + boolean_t adj_cnt); +void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds, + zprop_source_t source, uint64_t value, dmu_tx_t *tx); +void dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx); +int dsl_dataset_rollback(const char *fsname, void *owner, nvlist_t *result); + +#ifdef ZFS_DEBUG +#define dprintf_ds(ds, fmt, ...) do { \ + if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ + char *__ds_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); \ + dsl_dataset_name(ds, __ds_name); \ + dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \ + kmem_free(__ds_name, MAXNAMELEN); \ + } \ +_NOTE(CONSTCOND) } while (0) +#else +#define dprintf_ds(dd, fmt, ...) +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_DATASET_H */ diff --git a/zfs/include/sys/dsl_deadlist.h b/zfs/include/sys/dsl_deadlist.h new file mode 100644 index 000000000000..d2c16d72c17e --- /dev/null +++ b/zfs/include/sys/dsl_deadlist.h @@ -0,0 +1,87 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_DSL_DEADLIST_H +#define _SYS_DSL_DEADLIST_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dmu_buf; +struct dsl_dataset; + +typedef struct dsl_deadlist_phys { + uint64_t dl_used; + uint64_t dl_comp; + uint64_t dl_uncomp; + uint64_t dl_pad[37]; /* pad out to 320b for future expansion */ +} dsl_deadlist_phys_t; + +typedef struct dsl_deadlist { + objset_t *dl_os; + uint64_t dl_object; + avl_tree_t dl_tree; + boolean_t dl_havetree; + struct dmu_buf *dl_dbuf; + dsl_deadlist_phys_t *dl_phys; + kmutex_t dl_lock; + + /* if it's the old on-disk format: */ + bpobj_t dl_bpobj; + boolean_t dl_oldfmt; +} dsl_deadlist_t; + +typedef struct dsl_deadlist_entry { + avl_node_t dle_node; + uint64_t dle_mintxg; + bpobj_t dle_bpobj; +} dsl_deadlist_entry_t; + +void dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object); +void dsl_deadlist_close(dsl_deadlist_t *dl); +uint64_t dsl_deadlist_alloc(objset_t *os, dmu_tx_t *tx); +void dsl_deadlist_free(objset_t *os, uint64_t dlobj, dmu_tx_t *tx); +void dsl_deadlist_insert(dsl_deadlist_t *dl, const blkptr_t *bp, dmu_tx_t *tx); +void dsl_deadlist_add_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); +void dsl_deadlist_remove_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); +uint64_t dsl_deadlist_clone(dsl_deadlist_t *dl, uint64_t maxtxg, + uint64_t mrs_obj, dmu_tx_t *tx); +void dsl_deadlist_space(dsl_deadlist_t *dl, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); +void dsl_deadlist_space_range(dsl_deadlist_t *dl, + uint64_t mintxg, uint64_t maxtxg, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); +void dsl_deadlist_merge(dsl_deadlist_t *dl, uint64_t obj, dmu_tx_t *tx); +void dsl_deadlist_move_bpobj(dsl_deadlist_t *dl, bpobj_t *bpo, uint64_t mintxg, + dmu_tx_t *tx); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_DEADLIST_H */ diff --git a/zfs/include/sys/dsl_deleg.h b/zfs/include/sys/dsl_deleg.h new file mode 100644 index 000000000000..59e8e055551a --- /dev/null +++ b/zfs/include/sys/dsl_deleg.h @@ -0,0 +1,80 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DSL_DELEG_H +#define _SYS_DSL_DELEG_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZFS_DELEG_PERM_NONE "" +#define ZFS_DELEG_PERM_CREATE "create" +#define ZFS_DELEG_PERM_DESTROY "destroy" +#define ZFS_DELEG_PERM_SNAPSHOT "snapshot" +#define ZFS_DELEG_PERM_ROLLBACK "rollback" +#define ZFS_DELEG_PERM_CLONE "clone" +#define ZFS_DELEG_PERM_PROMOTE "promote" +#define ZFS_DELEG_PERM_RENAME "rename" +#define ZFS_DELEG_PERM_MOUNT "mount" +#define ZFS_DELEG_PERM_SHARE "share" +#define ZFS_DELEG_PERM_SEND "send" +#define ZFS_DELEG_PERM_RECEIVE "receive" +#define ZFS_DELEG_PERM_ALLOW "allow" +#define ZFS_DELEG_PERM_USERPROP "userprop" +#define ZFS_DELEG_PERM_VSCAN "vscan" +#define ZFS_DELEG_PERM_USERQUOTA "userquota" +#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota" +#define ZFS_DELEG_PERM_USERUSED "userused" +#define ZFS_DELEG_PERM_GROUPUSED "groupused" +#define ZFS_DELEG_PERM_HOLD "hold" +#define ZFS_DELEG_PERM_RELEASE "release" +#define ZFS_DELEG_PERM_DIFF "diff" +#define ZFS_DELEG_PERM_BOOKMARK "bookmark" + +/* + * Note: the names of properties that are marked delegatable are also + * valid delegated permissions + */ + +int dsl_deleg_get(const char *ddname, nvlist_t **nvp); +int dsl_deleg_set(const char *ddname, nvlist_t *nvp, boolean_t unset); +int dsl_deleg_access(const char *ddname, const char *perm, cred_t *cr); +int dsl_deleg_access_impl(struct dsl_dataset *ds, const char *perm, cred_t *cr); +void dsl_deleg_set_create_perms(dsl_dir_t *dd, dmu_tx_t *tx, cred_t *cr); +int dsl_deleg_can_allow(char *ddname, nvlist_t *nvp, cred_t *cr); +int dsl_deleg_can_unallow(char *ddname, nvlist_t *nvp, cred_t *cr); +int dsl_deleg_destroy(objset_t *os, uint64_t zapobj, dmu_tx_t *tx); +boolean_t dsl_delegation_on(objset_t *os); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_DELEG_H */ diff --git a/zfs/include/sys/dsl_destroy.h b/zfs/include/sys/dsl_destroy.h new file mode 100644 index 000000000000..3f638643b6f8 --- /dev/null +++ b/zfs/include/sys/dsl_destroy.h @@ -0,0 +1,53 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + */ + +#ifndef _SYS_DSL_DESTROY_H +#define _SYS_DSL_DESTROY_H + +#ifdef __cplusplus +extern "C" { +#endif + +struct nvlist; +struct dsl_dataset; +struct dmu_tx; + +int dsl_destroy_snapshots_nvl(struct nvlist *, boolean_t, + struct nvlist *); +int dsl_destroy_snapshot(const char *, boolean_t); +int dsl_destroy_head(const char *); +int dsl_destroy_head_check_impl(struct dsl_dataset *, int); +void dsl_destroy_head_sync_impl(struct dsl_dataset *, struct dmu_tx *); +int dsl_destroy_inconsistent(const char *, void *); +int dsl_destroy_snapshot_check_impl(struct dsl_dataset *, boolean_t); +void dsl_destroy_snapshot_sync_impl(struct dsl_dataset *, + boolean_t, struct dmu_tx *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_DESTROY_H */ diff --git a/zfs/include/sys/dsl_dir.h b/zfs/include/sys/dsl_dir.h new file mode 100644 index 000000000000..55f3a8e5baa9 --- /dev/null +++ b/zfs/include/sys/dsl_dir.h @@ -0,0 +1,194 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2014, Joyent, Inc. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_DSL_DIR_H +#define _SYS_DSL_DIR_H + +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dsl_dataset; + +/* + * DD_FIELD_* are strings that are used in the "extensified" dsl_dir zap object. + * They should be of the format :. + */ + +#define DD_FIELD_FILESYSTEM_COUNT "com.joyent:filesystem_count" +#define DD_FIELD_SNAPSHOT_COUNT "com.joyent:snapshot_count" + +typedef enum dd_used { + DD_USED_HEAD, + DD_USED_SNAP, + DD_USED_CHILD, + DD_USED_CHILD_RSRV, + DD_USED_REFRSRV, + DD_USED_NUM +} dd_used_t; + +#define DD_FLAG_USED_BREAKDOWN (1<<0) + +typedef struct dsl_dir_phys { + uint64_t dd_creation_time; /* not actually used */ + uint64_t dd_head_dataset_obj; + uint64_t dd_parent_obj; + uint64_t dd_origin_obj; + uint64_t dd_child_dir_zapobj; + /* + * how much space our children are accounting for; for leaf + * datasets, == physical space used by fs + snaps + */ + uint64_t dd_used_bytes; + uint64_t dd_compressed_bytes; + uint64_t dd_uncompressed_bytes; + /* Administrative quota setting */ + uint64_t dd_quota; + /* Administrative reservation setting */ + uint64_t dd_reserved; + uint64_t dd_props_zapobj; + uint64_t dd_deleg_zapobj; /* dataset delegation permissions */ + uint64_t dd_flags; + uint64_t dd_used_breakdown[DD_USED_NUM]; + uint64_t dd_clones; /* dsl_dir objects */ + uint64_t dd_pad[13]; /* pad out to 256 bytes for good measure */ +} dsl_dir_phys_t; + +struct dsl_dir { + dmu_buf_user_t dd_dbu; + + /* These are immutable; no lock needed: */ + uint64_t dd_object; + dsl_pool_t *dd_pool; + + /* Stable until user eviction; no lock needed: */ + dmu_buf_t *dd_dbuf; + + /* protected by lock on pool's dp_dirty_dirs list */ + txg_node_t dd_dirty_link; + + /* protected by dp_config_rwlock */ + dsl_dir_t *dd_parent; + + /* Protected by dd_lock */ + kmutex_t dd_lock; + list_t dd_prop_cbs; /* list of dsl_prop_cb_record_t's */ + timestruc_t dd_snap_cmtime; /* last time snapshot namespace changed */ + uint64_t dd_origin_txg; + + /* gross estimate of space used by in-flight tx's */ + uint64_t dd_tempreserved[TXG_SIZE]; + /* amount of space we expect to write; == amount of dirty data */ + int64_t dd_space_towrite[TXG_SIZE]; + + /* protected by dd_lock; keep at end of struct for better locality */ + char dd_myname[MAXNAMELEN]; +}; + +static inline dsl_dir_phys_t * +dsl_dir_phys(dsl_dir_t *dd) +{ + return (dd->dd_dbuf->db_data); +} + +void dsl_dir_rele(dsl_dir_t *dd, void *tag); +void dsl_dir_async_rele(dsl_dir_t *dd, void *tag); +int dsl_dir_hold(dsl_pool_t *dp, const char *name, void *tag, + dsl_dir_t **, const char **tail); +int dsl_dir_hold_obj(dsl_pool_t *dp, uint64_t ddobj, + const char *tail, void *tag, dsl_dir_t **); +void dsl_dir_name(dsl_dir_t *dd, char *buf); +int dsl_dir_namelen(dsl_dir_t *dd); +uint64_t dsl_dir_create_sync(dsl_pool_t *dp, dsl_dir_t *pds, + const char *name, dmu_tx_t *tx); +void dsl_dir_stats(dsl_dir_t *dd, nvlist_t *nv); +uint64_t dsl_dir_space_available(dsl_dir_t *dd, + dsl_dir_t *ancestor, int64_t delta, int ondiskonly); +void dsl_dir_dirty(dsl_dir_t *dd, dmu_tx_t *tx); +void dsl_dir_sync(dsl_dir_t *dd, dmu_tx_t *tx); +int dsl_dir_tempreserve_space(dsl_dir_t *dd, uint64_t mem, + uint64_t asize, uint64_t fsize, uint64_t usize, void **tr_cookiep, + dmu_tx_t *tx); +void dsl_dir_tempreserve_clear(void *tr_cookie, dmu_tx_t *tx); +void dsl_dir_willuse_space(dsl_dir_t *dd, int64_t space, dmu_tx_t *tx); +void dsl_dir_diduse_space(dsl_dir_t *dd, dd_used_t type, + int64_t used, int64_t compressed, int64_t uncompressed, dmu_tx_t *tx); +void dsl_dir_transfer_space(dsl_dir_t *dd, int64_t delta, + dd_used_t oldtype, dd_used_t newtype, dmu_tx_t *tx); +int dsl_dir_set_quota(const char *ddname, zprop_source_t source, + uint64_t quota); +int dsl_dir_set_reservation(const char *ddname, zprop_source_t source, + uint64_t reservation); +int dsl_dir_activate_fs_ss_limit(const char *); +int dsl_fs_ss_limit_check(dsl_dir_t *, uint64_t, zfs_prop_t, dsl_dir_t *, + cred_t *); +void dsl_fs_ss_count_adjust(dsl_dir_t *, int64_t, const char *, dmu_tx_t *); +int dsl_dir_rename(const char *oldname, const char *newname); +int dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd, + uint64_t fs_cnt, uint64_t ss_cnt, uint64_t space, cred_t *); +boolean_t dsl_dir_is_clone(dsl_dir_t *dd); +void dsl_dir_new_refreservation(dsl_dir_t *dd, struct dsl_dataset *ds, + uint64_t reservation, cred_t *cr, dmu_tx_t *tx); +void dsl_dir_snap_cmtime_update(dsl_dir_t *dd); +timestruc_t dsl_dir_snap_cmtime(dsl_dir_t *dd); +void dsl_dir_set_reservation_sync_impl(dsl_dir_t *dd, uint64_t value, + dmu_tx_t *tx); +void dsl_dir_zapify(dsl_dir_t *dd, dmu_tx_t *tx); +boolean_t dsl_dir_is_zapified(dsl_dir_t *dd); + +/* internal reserved dir name */ +#define MOS_DIR_NAME "$MOS" +#define ORIGIN_DIR_NAME "$ORIGIN" +#define XLATION_DIR_NAME "$XLATION" +#define FREE_DIR_NAME "$FREE" +#define LEAK_DIR_NAME "$LEAK" + +#ifdef ZFS_DEBUG +#define dprintf_dd(dd, fmt, ...) do { \ + if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ + char *__ds_name = kmem_alloc(MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, \ + KM_SLEEP); \ + dsl_dir_name(dd, __ds_name); \ + dprintf("dd=%s " fmt, __ds_name, __VA_ARGS__); \ + kmem_free(__ds_name, MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); \ + } \ +_NOTE(CONSTCOND) } while (0) +#else +#define dprintf_dd(dd, fmt, ...) +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_DIR_H */ diff --git a/zfs/include/sys/dsl_pool.h b/zfs/include/sys/dsl_pool.h new file mode 100644 index 000000000000..48b12e8eb134 --- /dev/null +++ b/zfs/include/sys/dsl_pool.h @@ -0,0 +1,179 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DSL_POOL_H +#define _SYS_DSL_POOL_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern int zfs_txg_synctime_ms; + +struct objset; +struct dsl_dir; +struct dsl_dataset; +struct dsl_pool; +struct dmu_tx; +struct dsl_scan; + +extern unsigned long zfs_dirty_data_max; +extern unsigned long zfs_dirty_data_max_max; +extern unsigned long zfs_dirty_data_sync; +extern int zfs_dirty_data_max_percent; +extern int zfs_dirty_data_max_max_percent; +extern int zfs_delay_min_dirty_percent; +extern unsigned long zfs_delay_scale; + +/* These macros are for indexing into the zfs_all_blkstats_t. */ +#define DMU_OT_DEFERRED DMU_OT_NONE +#define DMU_OT_OTHER DMU_OT_NUMTYPES /* place holder for DMU_OT() types */ +#define DMU_OT_TOTAL (DMU_OT_NUMTYPES + 1) + +typedef struct zfs_blkstat { + uint64_t zb_count; + uint64_t zb_asize; + uint64_t zb_lsize; + uint64_t zb_psize; + uint64_t zb_gangs; + uint64_t zb_ditto_2_of_2_samevdev; + uint64_t zb_ditto_2_of_3_samevdev; + uint64_t zb_ditto_3_of_3_samevdev; +} zfs_blkstat_t; + +typedef struct zfs_all_blkstats { + zfs_blkstat_t zab_type[DN_MAX_LEVELS + 1][DMU_OT_TOTAL + 1]; +} zfs_all_blkstats_t; + + +typedef struct dsl_pool { + /* Immutable */ + spa_t *dp_spa; + struct objset *dp_meta_objset; + struct dsl_dir *dp_root_dir; + struct dsl_dir *dp_mos_dir; + struct dsl_dir *dp_free_dir; + struct dsl_dir *dp_leak_dir; + struct dsl_dataset *dp_origin_snap; + uint64_t dp_root_dir_obj; + struct taskq *dp_iput_taskq; + + /* No lock needed - sync context only */ + blkptr_t dp_meta_rootbp; + uint64_t dp_tmp_userrefs_obj; + bpobj_t dp_free_bpobj; + uint64_t dp_bptree_obj; + uint64_t dp_empty_bpobj; + + struct dsl_scan *dp_scan; + + /* Uses dp_lock */ + kmutex_t dp_lock; + kcondvar_t dp_spaceavail_cv; + uint64_t dp_dirty_pertxg[TXG_SIZE]; + uint64_t dp_dirty_total; + uint64_t dp_mos_used_delta; + uint64_t dp_mos_compressed_delta; + uint64_t dp_mos_uncompressed_delta; + + /* + * Time of most recently scheduled (furthest in the future) + * wakeup for delayed transactions. + */ + hrtime_t dp_last_wakeup; + + /* Has its own locking */ + tx_state_t dp_tx; + txg_list_t dp_dirty_datasets; + txg_list_t dp_dirty_zilogs; + txg_list_t dp_dirty_dirs; + txg_list_t dp_sync_tasks; + + /* + * Protects administrative changes (properties, namespace) + * + * It is only held for write in syncing context. Therefore + * syncing context does not need to ever have it for read, since + * nobody else could possibly have it for write. + */ + rrwlock_t dp_config_rwlock; + + zfs_all_blkstats_t *dp_blkstats; +} dsl_pool_t; + +int dsl_pool_init(spa_t *spa, uint64_t txg, dsl_pool_t **dpp); +int dsl_pool_open(dsl_pool_t *dp); +void dsl_pool_close(dsl_pool_t *dp); +dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg); +void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); +void dsl_pool_sync_done(dsl_pool_t *dp, uint64_t txg); +int dsl_pool_sync_context(dsl_pool_t *dp); +uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); +uint64_t dsl_pool_adjustedfree(dsl_pool_t *dp, boolean_t netfree); +void dsl_pool_dirty_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx); +void dsl_pool_undirty_space(dsl_pool_t *dp, int64_t space, uint64_t txg); +void dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp); +void dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg, + const blkptr_t *bpp); +void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx); +void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx); +void dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx); +void dsl_pool_mos_diduse_space(dsl_pool_t *dp, + int64_t used, int64_t comp, int64_t uncomp); +boolean_t dsl_pool_need_dirty_delay(dsl_pool_t *dp); +void dsl_pool_config_enter(dsl_pool_t *dp, void *tag); +void dsl_pool_config_enter_prio(dsl_pool_t *dp, void *tag); +void dsl_pool_config_exit(dsl_pool_t *dp, void *tag); +boolean_t dsl_pool_config_held(dsl_pool_t *dp); +boolean_t dsl_pool_config_held_writer(dsl_pool_t *dp); + +taskq_t *dsl_pool_iput_taskq(dsl_pool_t *dp); + +int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj, + const char *tag, uint64_t now, dmu_tx_t *tx); +int dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj, + const char *tag, dmu_tx_t *tx); +void dsl_pool_clean_tmp_userrefs(dsl_pool_t *dp); +int dsl_pool_open_special_dir(dsl_pool_t *dp, const char *name, dsl_dir_t **); +int dsl_pool_hold(const char *name, void *tag, dsl_pool_t **dp); +void dsl_pool_rele(dsl_pool_t *dp, void *tag); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_POOL_H */ diff --git a/zfs/include/sys/dsl_prop.h b/zfs/include/sys/dsl_prop.h new file mode 100644 index 000000000000..5fe18d6a7c55 --- /dev/null +++ b/zfs/include/sys/dsl_prop.h @@ -0,0 +1,107 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DSL_PROP_H +#define _SYS_DSL_PROP_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dsl_dataset; +struct dsl_dir; + +/* The callback func may not call into the DMU or DSL! */ +typedef void (dsl_prop_changed_cb_t)(void *arg, uint64_t newval); + +typedef struct dsl_prop_cb_record { + list_node_t cbr_node; /* link on dd_prop_cbs */ + struct dsl_dataset *cbr_ds; + const char *cbr_propname; + dsl_prop_changed_cb_t *cbr_func; + void *cbr_arg; +} dsl_prop_cb_record_t; + +typedef struct dsl_props_arg { + nvlist_t *pa_props; + zprop_source_t pa_source; +} dsl_props_arg_t; + +int dsl_prop_register(struct dsl_dataset *ds, const char *propname, + dsl_prop_changed_cb_t *callback, void *cbarg); +int dsl_prop_unregister(struct dsl_dataset *ds, const char *propname, + dsl_prop_changed_cb_t *callback, void *cbarg); +void dsl_prop_notify_all(struct dsl_dir *dd); +boolean_t dsl_prop_hascb(struct dsl_dataset *ds); + +int dsl_prop_get(const char *ddname, const char *propname, + int intsz, int numints, void *buf, char *setpoint); +int dsl_prop_get_integer(const char *ddname, const char *propname, + uint64_t *valuep, char *setpoint); +int dsl_prop_get_all(objset_t *os, nvlist_t **nvp); +int dsl_prop_get_received(const char *dsname, nvlist_t **nvp); +int dsl_prop_get_ds(struct dsl_dataset *ds, const char *propname, + int intsz, int numints, void *buf, char *setpoint); +int dsl_prop_get_int_ds(struct dsl_dataset *ds, const char *propname, + uint64_t *valuep); +int dsl_prop_get_dd(struct dsl_dir *dd, const char *propname, + int intsz, int numints, void *buf, char *setpoint, + boolean_t snapshot); + +void dsl_props_set_sync_impl(struct dsl_dataset *ds, zprop_source_t source, + nvlist_t *props, dmu_tx_t *tx); +void dsl_prop_set_sync_impl(struct dsl_dataset *ds, const char *propname, + zprop_source_t source, int intsz, int numints, const void *value, + dmu_tx_t *tx); +int dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *nvl); +int dsl_prop_set_int(const char *dsname, const char *propname, + zprop_source_t source, uint64_t value); +int dsl_prop_set_string(const char *dsname, const char *propname, + zprop_source_t source, const char *value); +int dsl_prop_inherit(const char *dsname, const char *propname, + zprop_source_t source); + +int dsl_prop_predict(dsl_dir_t *dd, const char *propname, + zprop_source_t source, uint64_t value, uint64_t *newvalp); + +/* flag first receive on or after SPA_VERSION_RECVD_PROPS */ +boolean_t dsl_prop_get_hasrecvd(const char *dsname); +int dsl_prop_set_hasrecvd(const char *dsname); +void dsl_prop_unset_hasrecvd(const char *dsname); + +void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value); +void dsl_prop_nvlist_add_string(nvlist_t *nv, + zfs_prop_t prop, const char *value); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_PROP_H */ diff --git a/zfs/include/sys/dsl_scan.h b/zfs/include/sys/dsl_scan.h new file mode 100644 index 000000000000..44a11ba57207 --- /dev/null +++ b/zfs/include/sys/dsl_scan.h @@ -0,0 +1,147 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DSL_SCAN_H +#define _SYS_DSL_SCAN_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct objset; +struct dsl_dir; +struct dsl_dataset; +struct dsl_pool; +struct dmu_tx; + +/* + * All members of this structure must be uint64_t, for byteswap + * purposes. + */ +typedef struct dsl_scan_phys { + uint64_t scn_func; /* pool_scan_func_t */ + uint64_t scn_state; /* dsl_scan_state_t */ + uint64_t scn_queue_obj; + uint64_t scn_min_txg; + uint64_t scn_max_txg; + uint64_t scn_cur_min_txg; + uint64_t scn_cur_max_txg; + uint64_t scn_start_time; + uint64_t scn_end_time; + uint64_t scn_to_examine; /* total bytes to be scanned */ + uint64_t scn_examined; /* bytes scanned so far */ + uint64_t scn_to_process; + uint64_t scn_processed; + uint64_t scn_errors; /* scan I/O error count */ + uint64_t scn_ddt_class_max; + ddt_bookmark_t scn_ddt_bookmark; + zbookmark_phys_t scn_bookmark; + uint64_t scn_flags; /* dsl_scan_flags_t */ +} dsl_scan_phys_t; + +#define SCAN_PHYS_NUMINTS (sizeof (dsl_scan_phys_t) / sizeof (uint64_t)) + +typedef enum dsl_scan_flags { + DSF_VISIT_DS_AGAIN = 1<<0, +} dsl_scan_flags_t; + +#define DSL_SCAN_FLAGS_MASK (DSF_VISIT_DS_AGAIN) + +/* + * Every pool will have one dsl_scan_t and this structure will contain + * in-memory information about the scan and a pointer to the on-disk + * representation (i.e. dsl_scan_phys_t). Most of the state of the scan + * is contained on-disk to allow the scan to resume in the event of a reboot + * or panic. This structure maintains information about the behavior of a + * running scan, some caching information, and how it should traverse the pool. + * + * The following members of this structure direct the behavior of the scan: + * + * scn_pausing - a scan that cannot be completed in a single txg or + * has exceeded its allotted time will need to pause. + * When this flag is set the scanner will stop traversing + * the pool and write out the current state to disk. + * + * scn_restart_txg - directs the scanner to either restart or start a + * a scan at the specified txg value. + * + * scn_done_txg - when a scan completes its traversal it will set + * the completion txg to the next txg. This is necessary + * to ensure that any blocks that were freed during + * the scan but have not yet been processed (i.e deferred + * frees) are accounted for. + * + * This structure also maintains information about deferred frees which are + * a special kind of traversal. Deferred free can exist in either a bptree or + * a bpobj structure. The scn_is_bptree flag will indicate the type of + * deferred free that is in progress. If the deferred free is part of an + * asynchronous destroy then the scn_async_destroying flag will be set. + */ +typedef struct dsl_scan { + struct dsl_pool *scn_dp; + + boolean_t scn_pausing; + uint64_t scn_restart_txg; + uint64_t scn_done_txg; + uint64_t scn_sync_start_time; + zio_t *scn_zio_root; + + /* for freeing blocks */ + boolean_t scn_is_bptree; + boolean_t scn_async_destroying; + boolean_t scn_async_stalled; + + /* for debugging / information */ + uint64_t scn_visited_this_txg; + + dsl_scan_phys_t scn_phys; +} dsl_scan_t; + +int dsl_scan_init(struct dsl_pool *dp, uint64_t txg); +void dsl_scan_fini(struct dsl_pool *dp); +void dsl_scan_sync(struct dsl_pool *, dmu_tx_t *); +int dsl_scan_cancel(struct dsl_pool *); +int dsl_scan(struct dsl_pool *, pool_scan_func_t); +void dsl_resilver_restart(struct dsl_pool *, uint64_t txg); +boolean_t dsl_scan_resilvering(struct dsl_pool *dp); +boolean_t dsl_dataset_unstable(struct dsl_dataset *ds); +void dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum, + ddt_entry_t *dde, dmu_tx_t *tx); +void dsl_scan_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx); +void dsl_scan_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx); +void dsl_scan_ds_clone_swapped(struct dsl_dataset *ds1, struct dsl_dataset *ds2, + struct dmu_tx *tx); +boolean_t dsl_scan_active(dsl_scan_t *scn); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_SCAN_H */ diff --git a/zfs/include/sys/dsl_synctask.h b/zfs/include/sys/dsl_synctask.h new file mode 100644 index 000000000000..6139303c1564 --- /dev/null +++ b/zfs/include/sys/dsl_synctask.h @@ -0,0 +1,93 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DSL_SYNCTASK_H +#define _SYS_DSL_SYNCTASK_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dsl_pool; + +typedef int (dsl_checkfunc_t)(void *, dmu_tx_t *); +typedef void (dsl_syncfunc_t)(void *, dmu_tx_t *); + +typedef enum zfs_space_check { + /* + * Normal space check: if there is less than 3.2% free space, + * the operation will fail. Operations which are logically + * creating things should use this (e.g. "zfs create", "zfs snapshot"). + * User writes (via the ZPL / ZVOL) also fail at this point. + */ + ZFS_SPACE_CHECK_NORMAL, + + /* + * Space check allows use of half the slop space. If there + * is less than 1.6% free space, the operation will fail. Most + * operations should use this (e.g. "zfs set", "zfs rename"), + * because we want them to succeed even after user writes are failing, + * so that they can be used as part of the space recovery process. + */ + ZFS_SPACE_CHECK_RESERVED, + + /* + * No space check is performed. Only operations which we expect to + * result in a net reduction in space should use this + * (e.g. "zfs destroy". Setting quotas & reservations also uses + * this because it needs to circumvent the quota/reservation checks). + * + * See also the comments above spa_slop_shift. + */ + ZFS_SPACE_CHECK_NONE, +} zfs_space_check_t; + +typedef struct dsl_sync_task { + txg_node_t dst_node; + struct dsl_pool *dst_pool; + uint64_t dst_txg; + int dst_space; + zfs_space_check_t dst_space_check; + dsl_checkfunc_t *dst_checkfunc; + dsl_syncfunc_t *dst_syncfunc; + void *dst_arg; + int dst_error; + boolean_t dst_nowaiter; +} dsl_sync_task_t; + +void dsl_sync_task_sync(dsl_sync_task_t *, dmu_tx_t *); +int dsl_sync_task(const char *, dsl_checkfunc_t *, + dsl_syncfunc_t *, void *, int, zfs_space_check_t); +void dsl_sync_task_nowait(struct dsl_pool *, dsl_syncfunc_t *, + void *, int, zfs_space_check_t, dmu_tx_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_SYNCTASK_H */ diff --git a/zfs/include/sys/dsl_userhold.h b/zfs/include/sys/dsl_userhold.h new file mode 100644 index 000000000000..071aeb86d1f1 --- /dev/null +++ b/zfs/include/sys/dsl_userhold.h @@ -0,0 +1,57 @@ + +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. + */ + +#ifndef _SYS_DSL_USERHOLD_H +#define _SYS_DSL_USERHOLD_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dsl_pool; +struct dsl_dataset; +struct dmu_tx; + +int dsl_dataset_user_hold(nvlist_t *holds, minor_t cleanup_minor, + nvlist_t *errlist); +int dsl_dataset_user_release(nvlist_t *holds, nvlist_t *errlist); +int dsl_dataset_get_holds(const char *dsname, nvlist_t *nvl); +void dsl_dataset_user_release_tmp(struct dsl_pool *dp, nvlist_t *holds); +int dsl_dataset_user_hold_check_one(struct dsl_dataset *ds, const char *htag, + boolean_t temphold, struct dmu_tx *tx); +void dsl_dataset_user_hold_sync_one(struct dsl_dataset *ds, const char *htag, + minor_t minor, uint64_t now, struct dmu_tx *tx); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_USERHOLD_H */ diff --git a/zfs/include/sys/efi_partition.h b/zfs/include/sys/efi_partition.h new file mode 100644 index 000000000000..ee367a574e46 --- /dev/null +++ b/zfs/include/sys/efi_partition.h @@ -0,0 +1,244 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_EFI_PARTITION_H +#define _SYS_EFI_PARTITION_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * GUID Partition Table Header + */ + +#define EFI_MIN_LABEL_SIZE 92 +#define EFI_LABEL_SIZE 512 +#define LEN_EFI_PAD (EFI_LABEL_SIZE - \ + ((5 * sizeof (diskaddr_t)) + \ + (7 * sizeof (uint_t)) + \ + (8 * sizeof (char)) + \ + (1 * (sizeof (struct uuid))))) + +#define EFI_SIGNATURE 0x5452415020494645ULL + +/* EFI Guid Partition Table Header -- little endian on-disk format */ +typedef struct efi_gpt { + uint64_t efi_gpt_Signature; + uint_t efi_gpt_Revision; + uint_t efi_gpt_HeaderSize; + uint_t efi_gpt_HeaderCRC32; + uint_t efi_gpt_Reserved1; + diskaddr_t efi_gpt_MyLBA; + diskaddr_t efi_gpt_AlternateLBA; + diskaddr_t efi_gpt_FirstUsableLBA; + diskaddr_t efi_gpt_LastUsableLBA; + struct uuid efi_gpt_DiskGUID; + diskaddr_t efi_gpt_PartitionEntryLBA; + uint_t efi_gpt_NumberOfPartitionEntries; + uint_t efi_gpt_SizeOfPartitionEntry; + uint_t efi_gpt_PartitionEntryArrayCRC32; + char efi_gpt_Reserved2[LEN_EFI_PAD]; +} efi_gpt_t; + +/* EFI Guid Partition Entry Attributes -- little endian format */ +typedef struct efi_gpe_Attrs { + uint32_t PartitionAttrs :16, + Reserved2 :16; + uint32_t Reserved1 :31, + RequiredPartition :1; +} efi_gpe_Attrs_t; + +/* + * 6a96237f-1dd2-11b2-99a6-080020736631 V_UNASSIGNED (not used as such) + * 6a82cb45-1dd2-11b2-99a6-080020736631 V_BOOT + * 6a85cf4d-1dd2-11b2-99a6-080020736631 V_ROOT + * 6a87c46f-1dd2-11b2-99a6-080020736631 V_SWAP + * 6a898cc3-1dd2-11b2-99a6-080020736631 V_USR + * 6a8b642b-1dd2-11b2-99a6-080020736631 V_BACKUP + * 6a8d2ac7-1dd2-11b2-99a6-080020736631 V_STAND (not used) + * 6a8ef2e9-1dd2-11b2-99a6-080020736631 V_VAR + * 6a90ba39-1dd2-11b2-99a6-080020736631 V_HOME + * 6a9283a5-1dd2-11b2-99a6-080020736631 V_ALTSCTR + * 6a945a3b-1dd2-11b2-99a6-080020736631 V_CACHE + */ + +#define EFI_UNUSED { 0x00000000, 0x0000, 0x0000, 0x00, 0x00, \ + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } +#define EFI_RESV1 { 0x6a96237f, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_BOOT { 0x6a82cb45, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_ROOT { 0x6a85cf4d, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_SWAP { 0x6a87c46f, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_USR { 0x6a898cc3, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_BACKUP { 0x6a8b642b, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_RESV2 { 0x6a8d2ac7, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_VAR { 0x6a8ef2e9, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_HOME { 0x6a90ba39, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_ALTSCTR { 0x6a9283a5, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_RESERVED { 0x6a945a3b, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_SYSTEM { 0xC12A7328, 0xF81F, 0x11d2, 0xBA, 0x4B, \ + { 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B } } +#define EFI_LEGACY_MBR { 0x024DEE41, 0x33E7, 0x11d3, 0x9D, 0x69, \ + { 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F } } +#define EFI_SYMC_PUB { 0x6a9630d1, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_SYMC_CDS { 0x6a980767, 0x1dd2, 0x11b2, 0x99, 0xa6, \ + { 0x08, 0x00, 0x20, 0x73, 0x66, 0x31 } } +#define EFI_MSFT_RESV { 0xE3C9E316, 0x0B5C, 0x4DB8, 0x81, 0x7D, \ + { 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE } } +#define EFI_DELL_BASIC { 0xebd0a0a2, 0xb9e5, 0x4433, 0x87, 0xc0, \ + { 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7 } } +#define EFI_DELL_RAID { 0xa19d880f, 0x05fc, 0x4d3b, 0xa0, 0x06, \ + { 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e } } +#define EFI_DELL_SWAP { 0x0657fd6d, 0xa4ab, 0x43c4, 0x84, 0xe5, \ + { 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f } } +#define EFI_DELL_LVM { 0xe6d6d379, 0xf507, 0x44c2, 0xa2, 0x3c, \ + { 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28 } } +#define EFI_DELL_RESV { 0x8da63339, 0x0007, 0x60c0, 0xc4, 0x36, \ + { 0x08, 0x3a, 0xc8, 0x23, 0x09, 0x08 } } +#define EFI_AAPL_HFS { 0x48465300, 0x0000, 0x11aa, 0xaa, 0x11, \ + { 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } } +#define EFI_AAPL_UFS { 0x55465300, 0x0000, 0x11aa, 0xaa, 0x11, \ + { 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } } + +/* minimum # of bytes for partition table entires, per EFI spec */ +#define EFI_MIN_ARRAY_SIZE (16 * 1024) + +#define EFI_PART_NAME_LEN 36 + +/* size of the "reserved" partition, in blocks */ +#define EFI_MIN_RESV_SIZE (16 * 1024) + +/* EFI Guid Partition Entry */ +typedef struct efi_gpe { + struct uuid efi_gpe_PartitionTypeGUID; + struct uuid efi_gpe_UniquePartitionGUID; + diskaddr_t efi_gpe_StartingLBA; + diskaddr_t efi_gpe_EndingLBA; + efi_gpe_Attrs_t efi_gpe_Attributes; + ushort_t efi_gpe_PartitionName[EFI_PART_NAME_LEN]; +} efi_gpe_t; + +/* + * passed to the useful (we hope) routines (efi_alloc_and_read and + * efi_write) that take this VTOC-like struct. These routines handle + * converting this struct into the EFI struct, generate UUIDs and + * checksums, and perform any necessary byte-swapping to the on-disk + * format. + */ +/* Solaris library abstraction for EFI partitons */ +typedef struct dk_part { + diskaddr_t p_start; /* starting LBA */ + diskaddr_t p_size; /* size in blocks */ + struct uuid p_guid; /* partion type GUID */ + ushort_t p_tag; /* converted to part'n type GUID */ + ushort_t p_flag; /* attributes */ + char p_name[EFI_PART_NAME_LEN]; /* partition name */ + struct uuid p_uguid; /* unique partition GUID */ + uint_t p_resv[8]; /* future use - set to zero */ +} dk_part_t; + +/* Solaris library abstraction for an EFI GPT */ +#define EFI_VERSION102 0x00010002 +#define EFI_VERSION100 0x00010000 +#define EFI_VERSION_CURRENT EFI_VERSION100 +typedef struct dk_gpt { + uint_t efi_version; /* set to EFI_VERSION_CURRENT */ + uint_t efi_nparts; /* number of partitions below */ + uint_t efi_part_size; /* size of each partition entry */ + /* efi_part_size is unused */ + uint_t efi_lbasize; /* size of block in bytes */ + diskaddr_t efi_last_lba; /* last block on the disk */ + diskaddr_t efi_first_u_lba; /* first block after labels */ + diskaddr_t efi_last_u_lba; /* last block before backup labels */ + struct uuid efi_disk_uguid; /* unique disk GUID */ + uint_t efi_flags; + uint_t efi_reserved1; /* future use - set to zero */ + diskaddr_t efi_altern_lba; /* lba of alternate GPT header */ + uint_t efi_reserved[12]; /* future use - set to zero */ + struct dk_part efi_parts[1]; /* array of partitions */ +} dk_gpt_t; + +/* possible values for "efi_flags" */ +#define EFI_GPT_PRIMARY_CORRUPT 0x1 /* primary label corrupt */ + +/* the private ioctl between libefi and the driver */ +typedef struct dk_efi { + diskaddr_t dki_lba; /* starting block */ + len_t dki_length; /* length in bytes */ + union { + efi_gpt_t *_dki_data; + uint64_t _dki_data_64; + } dki_un; +#define dki_data dki_un._dki_data +#define dki_data_64 dki_un._dki_data_64 +} dk_efi_t; + +struct partition64 { + struct uuid p_type; + uint_t p_partno; + uint_t p_resv1; + diskaddr_t p_start; + diskaddr_t p_size; +}; + +/* + * Number of EFI partitions + */ +#if defined(__linux__) +#define EFI_NUMPAR 128 /* Expected by parted-1.8.1 */ +#else +#define EFI_NUMPAR 9 +#endif + +#ifndef _KERNEL +extern int efi_alloc_and_init(int, uint32_t, struct dk_gpt **); +extern int efi_alloc_and_read(int, struct dk_gpt **); +extern int efi_write(int, struct dk_gpt *); +extern int efi_rescan(int); +extern void efi_free(struct dk_gpt *); +extern int efi_type(int); +extern void efi_err_check(struct dk_gpt *); +extern int efi_auto_sense(int fd, struct dk_gpt **); +extern int efi_use_whole_disk(int fd); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_EFI_PARTITION_H */ diff --git a/zfs/include/sys/fm/Makefile.am b/zfs/include/sys/fm/Makefile.am new file mode 100644 index 000000000000..8bca5d8468c0 --- /dev/null +++ b/zfs/include/sys/fm/Makefile.am @@ -0,0 +1,21 @@ +SUBDIRS = fs + +COMMON_H = \ + $(top_srcdir)/include/sys/fm/protocol.h \ + $(top_srcdir)/include/sys/fm/util.h + +KERNEL_H = + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_USER +libzfsdir = $(includedir)/libzfs/sys/fm +libzfs_HEADERS = $(COMMON_H) $(USER_H) +endif + +if CONFIG_KERNEL +kerneldir = @prefix@/src/zfs-$(VERSION)/include/sys/fm +kernel_HEADERS = $(COMMON_H) $(KERNEL_H) +endif diff --git a/zfs/include/sys/fm/Makefile.in b/zfs/include/sys/fm/Makefile.in new file mode 100644 index 000000000000..a84032301bed --- /dev/null +++ b/zfs/include/sys/fm/Makefile.in @@ -0,0 +1,879 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; \ + strip_trailopt () \ 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b/zfs/include/sys/fm/fs/zfs.h new file mode 100644 index 000000000000..0d7eadd4f445 --- /dev/null +++ b/zfs/include/sys/fm/fs/zfs.h @@ -0,0 +1,126 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_FM_FS_ZFS_H +#define _SYS_FM_FS_ZFS_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZFS_ERROR_CLASS "fs.zfs" + +#define FM_EREPORT_ZFS_CHECKSUM "checksum" +#define FM_EREPORT_ZFS_IO "io" +#define FM_EREPORT_ZFS_DATA "data" +#define FM_EREPORT_ZFS_DELAY "delay" +#define FM_EREPORT_ZFS_CONFIG_SYNC "config.sync" +#define FM_EREPORT_ZFS_POOL "zpool" +#define FM_EREPORT_ZFS_POOL_DESTROY "zpool.destroy" +#define FM_EREPORT_ZFS_POOL_REGUID "zpool.reguid" +#define FM_EREPORT_ZFS_DEVICE_UNKNOWN "vdev.unknown" +#define FM_EREPORT_ZFS_DEVICE_OPEN_FAILED "vdev.open_failed" +#define FM_EREPORT_ZFS_DEVICE_CORRUPT_DATA "vdev.corrupt_data" +#define FM_EREPORT_ZFS_DEVICE_NO_REPLICAS "vdev.no_replicas" +#define FM_EREPORT_ZFS_DEVICE_BAD_GUID_SUM "vdev.bad_guid_sum" +#define FM_EREPORT_ZFS_DEVICE_TOO_SMALL "vdev.too_small" +#define FM_EREPORT_ZFS_DEVICE_BAD_LABEL "vdev.bad_label" +#define FM_EREPORT_ZFS_DEVICE_BAD_ASHIFT "vdev.bad_ashift" +#define FM_EREPORT_ZFS_DEVICE_REMOVE "vdev.remove" +#define FM_EREPORT_ZFS_DEVICE_CLEAR "vdev.clear" +#define FM_EREPORT_ZFS_DEVICE_CHECK "vdev.check" +#define FM_EREPORT_ZFS_DEVICE_SPARE "vdev.spare" +#define FM_EREPORT_ZFS_DEVICE_AUTOEXPAND "vdev.autoexpand" +#define FM_EREPORT_ZFS_IO_FAILURE "io_failure" +#define FM_EREPORT_ZFS_PROBE_FAILURE "probe_failure" +#define FM_EREPORT_ZFS_LOG_REPLAY "log_replay" +#define FM_EREPORT_ZFS_RESILVER_START "resilver.start" +#define FM_EREPORT_ZFS_RESILVER_FINISH "resilver.finish" +#define FM_EREPORT_ZFS_SCRUB_START "scrub.start" +#define FM_EREPORT_ZFS_SCRUB_FINISH "scrub.finish" +#define FM_EREPORT_ZFS_BOOTFS_VDEV_ATTACH "bootfs.vdev.attach" + +#define FM_EREPORT_PAYLOAD_ZFS_POOL "pool" +#define FM_EREPORT_PAYLOAD_ZFS_POOL_FAILMODE "pool_failmode" +#define FM_EREPORT_PAYLOAD_ZFS_POOL_GUID "pool_guid" +#define FM_EREPORT_PAYLOAD_ZFS_POOL_CONTEXT "pool_context" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_GUID "vdev_guid" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_TYPE "vdev_type" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_PATH "vdev_path" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_DEVID "vdev_devid" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_FRU "vdev_fru" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_STATE "vdev_state" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_ASHIFT "vdev_ashift" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_COMP_TS "vdev_complete_ts" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_DELTA_TS "vdev_delta_ts" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_SPARE_PATHS "vdev_spare_paths" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_SPARE_GUIDS "vdev_spare_guids" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_READ_ERRORS "vdev_read_errors" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_WRITE_ERRORS "vdev_write_errors" +#define FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_ERRORS "vdev_cksum_errors" +#define FM_EREPORT_PAYLOAD_ZFS_PARENT_GUID "parent_guid" +#define FM_EREPORT_PAYLOAD_ZFS_PARENT_TYPE "parent_type" +#define FM_EREPORT_PAYLOAD_ZFS_PARENT_PATH "parent_path" +#define FM_EREPORT_PAYLOAD_ZFS_PARENT_DEVID "parent_devid" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJSET "zio_objset" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJECT "zio_object" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_LEVEL "zio_level" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_BLKID "zio_blkid" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_ERR "zio_err" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_OFFSET "zio_offset" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_SIZE "zio_size" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_FLAGS "zio_flags" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_STAGE "zio_stage" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_PIPELINE "zio_pipeline" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_DELAY "zio_delay" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_TIMESTAMP "zio_timestamp" +#define FM_EREPORT_PAYLOAD_ZFS_ZIO_DELTA "zio_delta" +#define FM_EREPORT_PAYLOAD_ZFS_PREV_STATE "prev_state" +#define FM_EREPORT_PAYLOAD_ZFS_CKSUM_EXPECTED "cksum_expected" +#define FM_EREPORT_PAYLOAD_ZFS_CKSUM_ACTUAL "cksum_actual" +#define FM_EREPORT_PAYLOAD_ZFS_CKSUM_ALGO "cksum_algorithm" +#define FM_EREPORT_PAYLOAD_ZFS_CKSUM_BYTESWAP "cksum_byteswap" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_OFFSET_RANGES "bad_ranges" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_MIN_GAP "bad_ranges_min_gap" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_SETS "bad_range_sets" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_CLEARS "bad_range_clears" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_SET_BITS "bad_set_bits" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_CLEARED_BITS "bad_cleared_bits" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_SET_HISTOGRAM "bad_set_histogram" +#define FM_EREPORT_PAYLOAD_ZFS_BAD_CLEARED_HISTOGRAM "bad_cleared_histogram" + +#define FM_EREPORT_FAILMODE_WAIT "wait" +#define FM_EREPORT_FAILMODE_CONTINUE "continue" +#define FM_EREPORT_FAILMODE_PANIC "panic" + +#define FM_EREPORT_RESOURCE_REMOVED "removed" +#define FM_EREPORT_RESOURCE_AUTOREPLACE "autoreplace" +#define FM_EREPORT_RESOURCE_STATECHANGE "statechange" + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FM_FS_ZFS_H */ diff --git a/zfs/include/sys/fm/protocol.h b/zfs/include/sys/fm/protocol.h new file mode 100644 index 000000000000..de05bb296741 --- /dev/null +++ b/zfs/include/sys/fm/protocol.h @@ -0,0 +1,368 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_FM_PROTOCOL_H +#define _SYS_FM_PROTOCOL_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _KERNEL +#include +#include +#else +#include +#include +#endif +#include + +/* FM common member names */ +#define FM_CLASS "class" +#define FM_VERSION "version" + +/* FM protocol category 1 class names */ +#define FM_EREPORT_CLASS "ereport" +#define FM_FAULT_CLASS "fault" +#define FM_DEFECT_CLASS "defect" +#define FM_RSRC_CLASS "resource" +#define FM_LIST_EVENT "list" +#define FM_IREPORT_CLASS "ireport" + +/* FM list.* event class values */ +#define FM_LIST_SUSPECT_CLASS FM_LIST_EVENT ".suspect" +#define FM_LIST_ISOLATED_CLASS FM_LIST_EVENT ".isolated" +#define FM_LIST_REPAIRED_CLASS FM_LIST_EVENT ".repaired" +#define FM_LIST_UPDATED_CLASS FM_LIST_EVENT ".updated" +#define FM_LIST_RESOLVED_CLASS FM_LIST_EVENT ".resolved" + +/* ereport class subcategory values */ +#define FM_ERROR_CPU "cpu" +#define FM_ERROR_IO "io" + +/* ereport version and payload member names */ +#define FM_EREPORT_VERS0 0 +#define FM_EREPORT_VERSION FM_EREPORT_VERS0 + +/* ereport payload member names */ +#define FM_EREPORT_DETECTOR "detector" +#define FM_EREPORT_ENA "ena" +#define FM_EREPORT_TIME "time" +#define FM_EREPORT_EID "eid" + +/* list.* event payload member names */ +#define FM_LIST_EVENT_SIZE "list-sz" + +/* ireport.* event payload member names */ +#define FM_IREPORT_DETECTOR "detector" +#define FM_IREPORT_UUID "uuid" +#define FM_IREPORT_PRIORITY "pri" +#define FM_IREPORT_ATTRIBUTES "attr" + +/* + * list.suspect, isolated, updated, repaired and resolved + * versions/payload member names. + */ +#define FM_SUSPECT_UUID "uuid" +#define FM_SUSPECT_DIAG_CODE "code" +#define FM_SUSPECT_DIAG_TIME "diag-time" +#define FM_SUSPECT_DE "de" +#define FM_SUSPECT_FAULT_LIST "fault-list" +#define FM_SUSPECT_FAULT_SZ "fault-list-sz" +#define FM_SUSPECT_FAULT_STATUS "fault-status" +#define FM_SUSPECT_INJECTED "__injected" +#define FM_SUSPECT_MESSAGE "message" +#define FM_SUSPECT_RETIRE "retire" +#define FM_SUSPECT_RESPONSE "response" +#define FM_SUSPECT_SEVERITY "severity" + +#define FM_SUSPECT_VERS0 0 +#define FM_SUSPECT_VERSION FM_SUSPECT_VERS0 + +#define FM_SUSPECT_FAULTY 0x1 +#define FM_SUSPECT_UNUSABLE 0x2 +#define FM_SUSPECT_NOT_PRESENT 0x4 +#define FM_SUSPECT_DEGRADED 0x8 +#define FM_SUSPECT_REPAIRED 0x10 +#define FM_SUSPECT_REPLACED 0x20 +#define FM_SUSPECT_ACQUITTED 0x40 + +/* fault event versions and payload member names */ +#define FM_FAULT_VERS0 0 +#define FM_FAULT_VERSION FM_FAULT_VERS0 + +#define FM_FAULT_ASRU "asru" +#define FM_FAULT_FRU "fru" +#define FM_FAULT_FRU_LABEL "fru-label" +#define FM_FAULT_CERTAINTY "certainty" +#define FM_FAULT_RESOURCE "resource" +#define FM_FAULT_LOCATION "location" + +/* resource event versions and payload member names */ +#define FM_RSRC_VERS0 0 +#define FM_RSRC_VERSION FM_RSRC_VERS0 +#define FM_RSRC_RESOURCE "resource" + +/* resource.fm.asru.* payload member names */ +#define FM_RSRC_ASRU_UUID "uuid" +#define FM_RSRC_ASRU_CODE "code" +#define FM_RSRC_ASRU_FAULTY "faulty" +#define FM_RSRC_ASRU_REPAIRED "repaired" +#define FM_RSRC_ASRU_REPLACED "replaced" +#define FM_RSRC_ASRU_ACQUITTED "acquitted" +#define FM_RSRC_ASRU_RESOLVED "resolved" +#define FM_RSRC_ASRU_UNUSABLE "unusable" +#define FM_RSRC_ASRU_EVENT "event" + +/* resource.fm.xprt.* versions and payload member names */ +#define FM_RSRC_XPRT_VERS0 0 +#define FM_RSRC_XPRT_VERSION FM_RSRC_XPRT_VERS0 +#define FM_RSRC_XPRT_UUID "uuid" +#define FM_RSRC_XPRT_SUBCLASS "subclass" +#define FM_RSRC_XPRT_FAULT_STATUS "fault-status" +#define FM_RSRC_XPRT_FAULT_HAS_ASRU "fault-has-asru" + +/* + * FM ENA Format Macros + */ +#define ENA_FORMAT_MASK 0x3 +#define ENA_FORMAT(ena) ((ena) & ENA_FORMAT_MASK) + +/* ENA format types */ +#define FM_ENA_FMT0 0 +#define FM_ENA_FMT1 1 +#define FM_ENA_FMT2 2 + +/* Format 1 */ +#define ENA_FMT1_GEN_MASK 0x00000000000003FCull +#define ENA_FMT1_ID_MASK 0xFFFFFFFFFFFFFC00ull +#define ENA_FMT1_CPUID_MASK 0x00000000000FFC00ull +#define ENA_FMT1_TIME_MASK 0xFFFFFFFFFFF00000ull +#define ENA_FMT1_GEN_SHFT 2 +#define ENA_FMT1_ID_SHFT 10 +#define ENA_FMT1_CPUID_SHFT ENA_FMT1_ID_SHFT +#define ENA_FMT1_TIME_SHFT 20 + +/* Format 2 */ +#define ENA_FMT2_GEN_MASK 0x00000000000003FCull +#define ENA_FMT2_ID_MASK 0xFFFFFFFFFFFFFC00ull +#define ENA_FMT2_TIME_MASK ENA_FMT2_ID_MASK +#define ENA_FMT2_GEN_SHFT 2 +#define ENA_FMT2_ID_SHFT 10 +#define ENA_FMT2_TIME_SHFT ENA_FMT2_ID_SHFT + +/* Common FMRI type names */ +#define FM_FMRI_AUTHORITY "authority" +#define FM_FMRI_SCHEME "scheme" +#define FM_FMRI_SVC_AUTHORITY "svc-authority" +#define FM_FMRI_FACILITY "facility" + +/* FMRI authority-type member names */ +#define FM_FMRI_AUTH_CHASSIS "chassis-id" +#define FM_FMRI_AUTH_PRODUCT_SN "product-sn" +#define FM_FMRI_AUTH_PRODUCT "product-id" +#define FM_FMRI_AUTH_DOMAIN "domain-id" +#define FM_FMRI_AUTH_SERVER "server-id" +#define FM_FMRI_AUTH_HOST "host-id" + +#define FM_AUTH_VERS0 0 +#define FM_FMRI_AUTH_VERSION FM_AUTH_VERS0 + +/* scheme name values */ +#define FM_FMRI_SCHEME_FMD "fmd" +#define FM_FMRI_SCHEME_DEV "dev" +#define FM_FMRI_SCHEME_HC "hc" +#define FM_FMRI_SCHEME_SVC "svc" +#define FM_FMRI_SCHEME_CPU "cpu" +#define FM_FMRI_SCHEME_MEM "mem" +#define FM_FMRI_SCHEME_MOD "mod" +#define FM_FMRI_SCHEME_PKG "pkg" +#define FM_FMRI_SCHEME_LEGACY "legacy-hc" +#define FM_FMRI_SCHEME_ZFS "zfs" +#define FM_FMRI_SCHEME_SW "sw" + +/* Scheme versions */ +#define FMD_SCHEME_VERSION0 0 +#define FM_FMD_SCHEME_VERSION FMD_SCHEME_VERSION0 +#define DEV_SCHEME_VERSION0 0 +#define FM_DEV_SCHEME_VERSION DEV_SCHEME_VERSION0 +#define FM_HC_VERS0 0 +#define FM_HC_SCHEME_VERSION FM_HC_VERS0 +#define CPU_SCHEME_VERSION0 0 +#define CPU_SCHEME_VERSION1 1 +#define FM_CPU_SCHEME_VERSION CPU_SCHEME_VERSION1 +#define MEM_SCHEME_VERSION0 0 +#define FM_MEM_SCHEME_VERSION MEM_SCHEME_VERSION0 +#define MOD_SCHEME_VERSION0 0 +#define FM_MOD_SCHEME_VERSION MOD_SCHEME_VERSION0 +#define PKG_SCHEME_VERSION0 0 +#define FM_PKG_SCHEME_VERSION PKG_SCHEME_VERSION0 +#define LEGACY_SCHEME_VERSION0 0 +#define FM_LEGACY_SCHEME_VERSION LEGACY_SCHEME_VERSION0 +#define SVC_SCHEME_VERSION0 0 +#define FM_SVC_SCHEME_VERSION SVC_SCHEME_VERSION0 +#define ZFS_SCHEME_VERSION0 0 +#define FM_ZFS_SCHEME_VERSION ZFS_SCHEME_VERSION0 +#define SW_SCHEME_VERSION0 0 +#define FM_SW_SCHEME_VERSION SW_SCHEME_VERSION0 + +/* hc scheme member names */ +#define FM_FMRI_HC_SERIAL_ID "serial" +#define FM_FMRI_HC_PART "part" +#define FM_FMRI_HC_REVISION "revision" +#define FM_FMRI_HC_ROOT "hc-root" +#define FM_FMRI_HC_LIST_SZ "hc-list-sz" +#define FM_FMRI_HC_LIST "hc-list" +#define FM_FMRI_HC_SPECIFIC "hc-specific" + +/* facility member names */ +#define FM_FMRI_FACILITY_NAME "facility-name" +#define FM_FMRI_FACILITY_TYPE "facility-type" + +/* hc-list version and member names */ +#define FM_FMRI_HC_NAME "hc-name" +#define FM_FMRI_HC_ID "hc-id" + +#define HC_LIST_VERSION0 0 +#define FM_HC_LIST_VERSION HC_LIST_VERSION0 + +/* hc-specific member names */ +#define FM_FMRI_HC_SPECIFIC_OFFSET "offset" +#define FM_FMRI_HC_SPECIFIC_PHYSADDR "physaddr" + +/* fmd module scheme member names */ +#define FM_FMRI_FMD_NAME "mod-name" +#define FM_FMRI_FMD_VERSION "mod-version" + +/* dev scheme member names */ +#define FM_FMRI_DEV_ID "devid" +#define FM_FMRI_DEV_TGTPTLUN0 "target-port-l0id" +#define FM_FMRI_DEV_PATH "device-path" + +/* pkg scheme member names */ +#define FM_FMRI_PKG_BASEDIR "pkg-basedir" +#define FM_FMRI_PKG_INST "pkg-inst" +#define FM_FMRI_PKG_VERSION "pkg-version" + +/* svc scheme member names */ +#define FM_FMRI_SVC_NAME "svc-name" +#define FM_FMRI_SVC_INSTANCE "svc-instance" +#define FM_FMRI_SVC_CONTRACT_ID "svc-contract-id" + +/* svc-authority member names */ +#define FM_FMRI_SVC_AUTH_SCOPE "scope" +#define FM_FMRI_SVC_AUTH_SYSTEM_FQN "system-fqn" + +/* cpu scheme member names */ +#define FM_FMRI_CPU_ID "cpuid" +#define FM_FMRI_CPU_SERIAL_ID "serial" +#define FM_FMRI_CPU_MASK "cpumask" +#define FM_FMRI_CPU_VID "cpuvid" +#define FM_FMRI_CPU_CPUFRU "cpufru" +#define FM_FMRI_CPU_CACHE_INDEX "cacheindex" +#define FM_FMRI_CPU_CACHE_WAY "cacheway" +#define FM_FMRI_CPU_CACHE_BIT "cachebit" +#define FM_FMRI_CPU_CACHE_TYPE "cachetype" + +#define FM_FMRI_CPU_CACHE_TYPE_L2 0 +#define FM_FMRI_CPU_CACHE_TYPE_L3 1 + +/* legacy-hc scheme member names */ +#define FM_FMRI_LEGACY_HC "component" +#define FM_FMRI_LEGACY_HC_PREFIX FM_FMRI_SCHEME_HC":///" \ + FM_FMRI_LEGACY_HC"=" + +/* mem scheme member names */ +#define FM_FMRI_MEM_UNUM "unum" +#define FM_FMRI_MEM_SERIAL_ID "serial" +#define FM_FMRI_MEM_PHYSADDR "physaddr" +#define FM_FMRI_MEM_MEMCONFIG "memconfig" +#define FM_FMRI_MEM_OFFSET "offset" + +/* mod scheme member names */ +#define FM_FMRI_MOD_PKG "mod-pkg" +#define FM_FMRI_MOD_NAME "mod-name" +#define FM_FMRI_MOD_ID "mod-id" +#define FM_FMRI_MOD_DESC "mod-desc" + +/* zfs scheme member names */ +#define FM_FMRI_ZFS_POOL "pool" +#define FM_FMRI_ZFS_VDEV "vdev" + +/* sw scheme member names - extra indentation for members of an nvlist */ +#define FM_FMRI_SW_OBJ "object" +#define FM_FMRI_SW_OBJ_PATH "path" +#define FM_FMRI_SW_OBJ_ROOT "root" +#define FM_FMRI_SW_OBJ_PKG "pkg" +#define FM_FMRI_SW_SITE "site" +#define FM_FMRI_SW_SITE_TOKEN "token" +#define FM_FMRI_SW_SITE_MODULE "module" +#define FM_FMRI_SW_SITE_FILE "file" +#define FM_FMRI_SW_SITE_LINE "line" +#define FM_FMRI_SW_SITE_FUNC "func" +#define FM_FMRI_SW_CTXT "context" +#define FM_FMRI_SW_CTXT_ORIGIN "origin" +#define FM_FMRI_SW_CTXT_EXECNAME "execname" +#define FM_FMRI_SW_CTXT_PID "pid" +#define FM_FMRI_SW_CTXT_ZONE "zone" +#define FM_FMRI_SW_CTXT_CTID "ctid" +#define FM_FMRI_SW_CTXT_STACK "stack" +#define FM_NVA_FREE 0 /* free allocator on nvlist_destroy */ +#define FM_NVA_RETAIN 1 /* keep allocator on nvlist_destroy */ + +extern nv_alloc_t *fm_nva_xcreate(char *, size_t); +extern void fm_nva_xdestroy(nv_alloc_t *); +extern nvlist_t *fm_nvlist_create(nv_alloc_t *); +extern void fm_nvlist_destroy(nvlist_t *, int); +extern void fm_ereport_set(nvlist_t *, int, const char *, uint64_t, + const nvlist_t *, ...); +extern void fm_payload_set(nvlist_t *, ...); +extern int i_fm_payload_set(nvlist_t *, const char *, va_list); +extern void fm_fmri_hc_set(nvlist_t *, int, const nvlist_t *, nvlist_t *, + int, ...); +extern void fm_fmri_dev_set(nvlist_t *, int, const nvlist_t *, const char *, + const char *, const char *); +extern void fm_fmri_de_set(nvlist_t *, int, const nvlist_t *, const char *); +extern void fm_fmri_cpu_set(nvlist_t *, int, const nvlist_t *, uint32_t, + uint8_t *, const char *); +extern void fm_fmri_mem_set(nvlist_t *, int, const nvlist_t *, const char *, + const char *, uint64_t); +extern void fm_fmri_zfs_set(nvlist_t *, int, uint64_t, uint64_t); +extern void fm_fmri_hc_create(nvlist_t *, int, const nvlist_t *, nvlist_t *, + nvlist_t *, int, ...); + +extern uint64_t fm_ena_increment(uint64_t); +extern uint64_t fm_ena_generate(uint64_t, uchar_t); +extern uint64_t fm_ena_generate_cpu(uint64_t, processorid_t, uchar_t); +extern uint64_t fm_ena_generation_get(uint64_t); +extern uchar_t fm_ena_format_get(uint64_t); +extern uint64_t fm_ena_id_get(uint64_t); +extern uint64_t fm_ena_time_get(uint64_t); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FM_PROTOCOL_H */ diff --git a/zfs/include/sys/fm/util.h b/zfs/include/sys/fm/util.h new file mode 100644 index 000000000000..6ee31764bfac --- /dev/null +++ b/zfs/include/sys/fm/util.h @@ -0,0 +1,117 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_FM_UTIL_H +#define _SYS_FM_UTIL_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* + * Shared user/kernel definitions for class length, error channel name, + * and kernel event publisher string. + */ +#define FM_MAX_CLASS 100 +#define FM_ERROR_CHAN "com.sun:fm:error" +#define FM_PUB "fm" + +/* + * ereport dump device transport support + * + * Ereports are written out to the dump device at a proscribed offset from the + * end, similar to in-transit log messages. The ereports are represented as a + * erpt_dump_t header followed by ed_size bytes of packed native nvlist data. + * + * NOTE: All of these constants and the header must be defined so they have the + * same representation for *both* 32-bit and 64-bit producers and consumers. + */ +#define ERPT_MAGIC 0xf00d4eddU +#define ERPT_MAX_ERRS 16 +#define ERPT_DATA_SZ (6 * 1024) +#define ERPT_EVCH_MAX 256 +#define ERPT_HIWAT 64 + +typedef struct erpt_dump { + uint32_t ed_magic; /* ERPT_MAGIC or zero to indicate end */ + uint32_t ed_chksum; /* checksum32() of packed nvlist data */ + uint32_t ed_size; /* ereport (nvl) fixed buf size */ + uint32_t ed_pad; /* reserved for future use */ + hrtime_t ed_hrt_nsec; /* hrtime of this ereport */ + hrtime_t ed_hrt_base; /* hrtime sample corresponding to ed_tod_base */ + struct { + uint64_t sec; /* seconds since gettimeofday() Epoch */ + uint64_t nsec; /* nanoseconds past ed_tod_base.sec */ + } ed_tod_base; +} erpt_dump_t; + +#ifdef _KERNEL + +#define ZEVENT_SHUTDOWN 0x1 + +typedef void zevent_cb_t(nvlist_t *, nvlist_t *); + +typedef struct zevent_s { + nvlist_t *ev_nvl; /* protected by the zevent_lock */ + nvlist_t *ev_detector; /* " */ + list_t ev_ze_list; /* " */ + list_node_t ev_node; /* " */ + zevent_cb_t *ev_cb; /* " */ + uint64_t ev_eid; +} zevent_t; + +typedef struct zfs_zevent { + zevent_t *ze_zevent; /* protected by the zevent_lock */ + list_node_t ze_node; /* " */ + uint64_t ze_dropped; /* " */ +} zfs_zevent_t; + +extern void fm_init(void); +extern void fm_fini(void); +extern void fm_nvprint(nvlist_t *); +extern int zfs_zevent_post(nvlist_t *, nvlist_t *, zevent_cb_t *); +extern void zfs_zevent_drain_all(int *); +extern int zfs_zevent_fd_hold(int, minor_t *, zfs_zevent_t **); +extern void zfs_zevent_fd_rele(int); +extern int zfs_zevent_next(zfs_zevent_t *, nvlist_t **, uint64_t *, uint64_t *); +extern int zfs_zevent_wait(zfs_zevent_t *); +extern int zfs_zevent_seek(zfs_zevent_t *, uint64_t); +extern void zfs_zevent_init(zfs_zevent_t **); +extern void zfs_zevent_destroy(zfs_zevent_t *); + +#else + +static inline void fm_init(void) { } +static inline void fm_fini(void) { } + +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FM_UTIL_H */ diff --git a/zfs/include/sys/fs/Makefile.am b/zfs/include/sys/fs/Makefile.am new file mode 100644 index 000000000000..0859b9f670dd --- /dev/null +++ b/zfs/include/sys/fs/Makefile.am @@ -0,0 +1,18 @@ +COMMON_H = \ + $(top_srcdir)/include/sys/fs/zfs.h + +KERNEL_H = + +USER_H = + +EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H) + +if CONFIG_USER +libzfsdir = $(includedir)/libzfs/sys/fs +libzfs_HEADERS = $(COMMON_H) $(USER_H) +endif + +if CONFIG_KERNEL +kerneldir = @prefix@/src/zfs-$(VERSION)/include/sys/fs +kernel_HEADERS = $(COMMON_H) $(KERNEL_H) +endif diff --git a/zfs/include/sys/fs/Makefile.in b/zfs/include/sys/fs/Makefile.in new file mode 100644 index 000000000000..b7d24cb97181 --- /dev/null +++ b/zfs/include/sys/fs/Makefile.in @@ 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b/zfs/include/sys/fs/zfs.h new file mode 100644 index 000000000000..57bf55f9365f --- /dev/null +++ b/zfs/include/sys/fs/zfs.h @@ -0,0 +1,1000 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2013, Joyent, Inc. All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#ifndef _SYS_FS_ZFS_H +#define _SYS_FS_ZFS_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Types and constants shared between userland and the kernel. + */ + +/* + * Each dataset can be one of the following types. These constants can be + * combined into masks that can be passed to various functions. + */ +typedef enum { + ZFS_TYPE_FILESYSTEM = (1 << 0), + ZFS_TYPE_SNAPSHOT = (1 << 1), + ZFS_TYPE_VOLUME = (1 << 2), + ZFS_TYPE_POOL = (1 << 3), + ZFS_TYPE_BOOKMARK = (1 << 4) +} zfs_type_t; + +typedef enum dmu_objset_type { + DMU_OST_NONE, + DMU_OST_META, + DMU_OST_ZFS, + DMU_OST_ZVOL, + DMU_OST_OTHER, /* For testing only! */ + DMU_OST_ANY, /* Be careful! */ + DMU_OST_NUMTYPES +} dmu_objset_type_t; + +#define ZFS_TYPE_DATASET \ + (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) + +#define ZAP_MAXNAMELEN 256 +#define ZAP_MAXVALUELEN (1024 * 8) +#define ZAP_OLDMAXVALUELEN 1024 +#define ZFS_MAX_DATASET_NAME_LEN 256 + +/* + * Dataset properties are identified by these constants and must be added to + * the end of this list to ensure that external consumers are not affected + * by the change. If you make any changes to this list, be sure to update + * the property table in module/zcommon/zfs_prop.c. + */ +typedef enum { + ZFS_PROP_TYPE, + ZFS_PROP_CREATION, + ZFS_PROP_USED, + ZFS_PROP_AVAILABLE, + ZFS_PROP_REFERENCED, + ZFS_PROP_COMPRESSRATIO, + ZFS_PROP_MOUNTED, + ZFS_PROP_ORIGIN, + ZFS_PROP_QUOTA, + ZFS_PROP_RESERVATION, + ZFS_PROP_VOLSIZE, + ZFS_PROP_VOLBLOCKSIZE, + ZFS_PROP_RECORDSIZE, + ZFS_PROP_MOUNTPOINT, + ZFS_PROP_SHARENFS, + ZFS_PROP_CHECKSUM, + ZFS_PROP_COMPRESSION, + ZFS_PROP_ATIME, + ZFS_PROP_DEVICES, + ZFS_PROP_EXEC, + ZFS_PROP_SETUID, + ZFS_PROP_READONLY, + ZFS_PROP_ZONED, + ZFS_PROP_SNAPDIR, + ZFS_PROP_PRIVATE, /* not exposed to user, temporary */ + ZFS_PROP_ACLINHERIT, + ZFS_PROP_CREATETXG, /* not exposed to the user */ + ZFS_PROP_NAME, /* not exposed to the user */ + ZFS_PROP_CANMOUNT, + ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */ + ZFS_PROP_XATTR, + ZFS_PROP_NUMCLONES, /* not exposed to the user */ + ZFS_PROP_COPIES, + ZFS_PROP_VERSION, + ZFS_PROP_UTF8ONLY, + ZFS_PROP_NORMALIZE, + ZFS_PROP_CASE, + ZFS_PROP_VSCAN, + ZFS_PROP_NBMAND, + ZFS_PROP_SHARESMB, + ZFS_PROP_REFQUOTA, + ZFS_PROP_REFRESERVATION, + ZFS_PROP_GUID, + ZFS_PROP_PRIMARYCACHE, + ZFS_PROP_SECONDARYCACHE, + ZFS_PROP_USEDSNAP, + ZFS_PROP_USEDDS, + ZFS_PROP_USEDCHILD, + ZFS_PROP_USEDREFRESERV, + ZFS_PROP_USERACCOUNTING, /* not exposed to the user */ + ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */ + ZFS_PROP_DEFER_DESTROY, + ZFS_PROP_USERREFS, + ZFS_PROP_LOGBIAS, + ZFS_PROP_UNIQUE, /* not exposed to the user */ + ZFS_PROP_OBJSETID, /* not exposed to the user */ + ZFS_PROP_DEDUP, + ZFS_PROP_MLSLABEL, + ZFS_PROP_SYNC, + ZFS_PROP_REFRATIO, + ZFS_PROP_WRITTEN, + ZFS_PROP_CLONES, + ZFS_PROP_LOGICALUSED, + ZFS_PROP_LOGICALREFERENCED, + ZFS_PROP_INCONSISTENT, /* not exposed to the user */ + ZFS_PROP_FILESYSTEM_LIMIT, + ZFS_PROP_SNAPSHOT_LIMIT, + ZFS_PROP_FILESYSTEM_COUNT, + ZFS_PROP_SNAPSHOT_COUNT, + ZFS_PROP_SNAPDEV, + ZFS_PROP_ACLTYPE, + ZFS_PROP_SELINUX_CONTEXT, + ZFS_PROP_SELINUX_FSCONTEXT, + ZFS_PROP_SELINUX_DEFCONTEXT, + ZFS_PROP_SELINUX_ROOTCONTEXT, + ZFS_PROP_RELATIME, + ZFS_PROP_REDUNDANT_METADATA, + ZFS_PROP_OVERLAY, + ZFS_NUM_PROPS +} zfs_prop_t; + +typedef enum { + ZFS_PROP_USERUSED, + ZFS_PROP_USERQUOTA, + ZFS_PROP_GROUPUSED, + ZFS_PROP_GROUPQUOTA, + ZFS_NUM_USERQUOTA_PROPS +} zfs_userquota_prop_t; + +extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS]; + +/* + * Pool properties are identified by these constants and must be added to the + * end of this list to ensure that external consumers are not affected + * by the change. If you make any changes to this list, be sure to update + * the property table in module/zcommon/zpool_prop.c. + */ +typedef enum { + ZPOOL_PROP_NAME, + ZPOOL_PROP_SIZE, + ZPOOL_PROP_CAPACITY, + ZPOOL_PROP_ALTROOT, + ZPOOL_PROP_HEALTH, + ZPOOL_PROP_GUID, + ZPOOL_PROP_VERSION, + ZPOOL_PROP_BOOTFS, + ZPOOL_PROP_DELEGATION, + ZPOOL_PROP_AUTOREPLACE, + ZPOOL_PROP_CACHEFILE, + ZPOOL_PROP_FAILUREMODE, + ZPOOL_PROP_LISTSNAPS, + ZPOOL_PROP_AUTOEXPAND, + ZPOOL_PROP_DEDUPDITTO, + ZPOOL_PROP_DEDUPRATIO, + ZPOOL_PROP_FREE, + ZPOOL_PROP_ALLOCATED, + ZPOOL_PROP_READONLY, + ZPOOL_PROP_ASHIFT, + ZPOOL_PROP_COMMENT, + ZPOOL_PROP_EXPANDSZ, + ZPOOL_PROP_FREEING, + ZPOOL_PROP_FRAGMENTATION, + ZPOOL_PROP_LEAKED, + ZPOOL_PROP_MAXBLOCKSIZE, + ZPOOL_PROP_TNAME, + ZPOOL_NUM_PROPS +} zpool_prop_t; + +/* Small enough to not hog a whole line of printout in zpool(1M). */ +#define ZPROP_MAX_COMMENT 32 + +#define ZPROP_CONT -2 +#define ZPROP_INVAL -1 + +#define ZPROP_VALUE "value" +#define ZPROP_SOURCE "source" + +typedef enum { + ZPROP_SRC_NONE = 0x1, + ZPROP_SRC_DEFAULT = 0x2, + ZPROP_SRC_TEMPORARY = 0x4, + ZPROP_SRC_LOCAL = 0x8, + ZPROP_SRC_INHERITED = 0x10, + ZPROP_SRC_RECEIVED = 0x20 +} zprop_source_t; + +#define ZPROP_SRC_ALL 0x3f + +#define ZPROP_SOURCE_VAL_RECVD "$recvd" +#define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS" +/* + * Dataset flag implemented as a special entry in the props zap object + * indicating that the dataset has received properties on or after + * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties + * just as it did in earlier versions, and thereafter, local properties are + * preserved. + */ +#define ZPROP_HAS_RECVD "$hasrecvd" + +typedef enum { + ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */ + ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */ +} zprop_errflags_t; + +typedef int (*zprop_func)(int, void *); + +/* + * Properties to be set on the root file system of a new pool + * are stuffed into their own nvlist, which is then included in + * the properties nvlist with the pool properties. + */ +#define ZPOOL_ROOTFS_PROPS "root-props-nvl" + +/* + * Dataset property functions shared between libzfs and kernel. + */ +const char *zfs_prop_default_string(zfs_prop_t); +uint64_t zfs_prop_default_numeric(zfs_prop_t); +boolean_t zfs_prop_readonly(zfs_prop_t); +boolean_t zfs_prop_inheritable(zfs_prop_t); +boolean_t zfs_prop_setonce(zfs_prop_t); +const char *zfs_prop_to_name(zfs_prop_t); +zfs_prop_t zfs_name_to_prop(const char *); +boolean_t zfs_prop_user(const char *); +boolean_t zfs_prop_userquota(const char *); +boolean_t zfs_prop_written(const char *); +int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); +int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); +uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed); +boolean_t zfs_prop_valid_for_type(int, zfs_type_t, boolean_t); + +/* + * Pool property functions shared between libzfs and kernel. + */ +zpool_prop_t zpool_name_to_prop(const char *); +const char *zpool_prop_to_name(zpool_prop_t); +const char *zpool_prop_default_string(zpool_prop_t); +uint64_t zpool_prop_default_numeric(zpool_prop_t); +boolean_t zpool_prop_readonly(zpool_prop_t); +boolean_t zpool_prop_feature(const char *); +boolean_t zpool_prop_unsupported(const char *); +int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); +int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); +uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed); + +/* + * Definitions for the Delegation. + */ +typedef enum { + ZFS_DELEG_WHO_UNKNOWN = 0, + ZFS_DELEG_USER = 'u', + ZFS_DELEG_USER_SETS = 'U', + ZFS_DELEG_GROUP = 'g', + ZFS_DELEG_GROUP_SETS = 'G', + ZFS_DELEG_EVERYONE = 'e', + ZFS_DELEG_EVERYONE_SETS = 'E', + ZFS_DELEG_CREATE = 'c', + ZFS_DELEG_CREATE_SETS = 'C', + ZFS_DELEG_NAMED_SET = 's', + ZFS_DELEG_NAMED_SET_SETS = 'S' +} zfs_deleg_who_type_t; + +typedef enum { + ZFS_DELEG_NONE = 0, + ZFS_DELEG_PERM_LOCAL = 1, + ZFS_DELEG_PERM_DESCENDENT = 2, + ZFS_DELEG_PERM_LOCALDESCENDENT = 3, + ZFS_DELEG_PERM_CREATE = 4 +} zfs_deleg_inherit_t; + +#define ZFS_DELEG_PERM_UID "uid" +#define ZFS_DELEG_PERM_GID "gid" +#define ZFS_DELEG_PERM_GROUPS "groups" + +#define ZFS_MLSLABEL_DEFAULT "none" + +#define ZFS_SMB_ACL_SRC "src" +#define ZFS_SMB_ACL_TARGET "target" + +typedef enum { + ZFS_CANMOUNT_OFF = 0, + ZFS_CANMOUNT_ON = 1, + ZFS_CANMOUNT_NOAUTO = 2 +} zfs_canmount_type_t; + +typedef enum { + ZFS_LOGBIAS_LATENCY = 0, + ZFS_LOGBIAS_THROUGHPUT = 1 +} zfs_logbias_op_t; + +typedef enum zfs_share_op { + ZFS_SHARE_NFS = 0, + ZFS_UNSHARE_NFS = 1, + ZFS_SHARE_SMB = 2, + ZFS_UNSHARE_SMB = 3 +} zfs_share_op_t; + +typedef enum zfs_smb_acl_op { + ZFS_SMB_ACL_ADD, + ZFS_SMB_ACL_REMOVE, + ZFS_SMB_ACL_RENAME, + ZFS_SMB_ACL_PURGE +} zfs_smb_acl_op_t; + +typedef enum zfs_cache_type { + ZFS_CACHE_NONE = 0, + ZFS_CACHE_METADATA = 1, + ZFS_CACHE_ALL = 2 +} zfs_cache_type_t; + +typedef enum { + ZFS_SYNC_STANDARD = 0, + ZFS_SYNC_ALWAYS = 1, + ZFS_SYNC_DISABLED = 2 +} zfs_sync_type_t; + +typedef enum { + ZFS_XATTR_OFF = 0, + ZFS_XATTR_DIR = 1, + ZFS_XATTR_SA = 2 +} zfs_xattr_type_t; + +typedef enum { + ZFS_REDUNDANT_METADATA_ALL, + ZFS_REDUNDANT_METADATA_MOST +} zfs_redundant_metadata_type_t; + +/* + * On-disk version number. + */ +#define SPA_VERSION_1 1ULL +#define SPA_VERSION_2 2ULL +#define SPA_VERSION_3 3ULL +#define SPA_VERSION_4 4ULL +#define SPA_VERSION_5 5ULL +#define SPA_VERSION_6 6ULL +#define SPA_VERSION_7 7ULL +#define SPA_VERSION_8 8ULL +#define SPA_VERSION_9 9ULL +#define SPA_VERSION_10 10ULL +#define SPA_VERSION_11 11ULL +#define SPA_VERSION_12 12ULL +#define SPA_VERSION_13 13ULL +#define SPA_VERSION_14 14ULL +#define SPA_VERSION_15 15ULL +#define SPA_VERSION_16 16ULL +#define SPA_VERSION_17 17ULL +#define SPA_VERSION_18 18ULL +#define SPA_VERSION_19 19ULL +#define SPA_VERSION_20 20ULL +#define SPA_VERSION_21 21ULL +#define SPA_VERSION_22 22ULL +#define SPA_VERSION_23 23ULL +#define SPA_VERSION_24 24ULL +#define SPA_VERSION_25 25ULL +#define SPA_VERSION_26 26ULL +#define SPA_VERSION_27 27ULL +#define SPA_VERSION_28 28ULL +#define SPA_VERSION_5000 5000ULL + +/* + * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk + * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*}, + * and do the appropriate changes. Also bump the version number in + * usr/src/grub/capability. + */ +#define SPA_VERSION SPA_VERSION_5000 +#define SPA_VERSION_STRING "5000" + +/* + * Symbolic names for the changes that caused a SPA_VERSION switch. + * Used in the code when checking for presence or absence of a feature. + * Feel free to define multiple symbolic names for each version if there + * were multiple changes to on-disk structures during that version. + * + * NOTE: When checking the current SPA_VERSION in your code, be sure + * to use spa_version() since it reports the version of the + * last synced uberblock. Checking the in-flight version can + * be dangerous in some cases. + */ +#define SPA_VERSION_INITIAL SPA_VERSION_1 +#define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 +#define SPA_VERSION_SPARES SPA_VERSION_3 +#define SPA_VERSION_RAIDZ2 SPA_VERSION_3 +#define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3 +#define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 +#define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 +#define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 +#define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 +#define SPA_VERSION_BOOTFS SPA_VERSION_6 +#define SPA_VERSION_SLOGS SPA_VERSION_7 +#define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 +#define SPA_VERSION_FUID SPA_VERSION_9 +#define SPA_VERSION_REFRESERVATION SPA_VERSION_9 +#define SPA_VERSION_REFQUOTA SPA_VERSION_9 +#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 +#define SPA_VERSION_L2CACHE SPA_VERSION_10 +#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 +#define SPA_VERSION_ORIGIN SPA_VERSION_11 +#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 +#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 +#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 +#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 +#define SPA_VERSION_USERSPACE SPA_VERSION_15 +#define SPA_VERSION_STMF_PROP SPA_VERSION_16 +#define SPA_VERSION_RAIDZ3 SPA_VERSION_17 +#define SPA_VERSION_USERREFS SPA_VERSION_18 +#define SPA_VERSION_HOLES SPA_VERSION_19 +#define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20 +#define SPA_VERSION_DEDUP SPA_VERSION_21 +#define SPA_VERSION_RECVD_PROPS SPA_VERSION_22 +#define SPA_VERSION_SLIM_ZIL SPA_VERSION_23 +#define SPA_VERSION_SA SPA_VERSION_24 +#define SPA_VERSION_SCAN SPA_VERSION_25 +#define SPA_VERSION_DIR_CLONES SPA_VERSION_26 +#define SPA_VERSION_DEADLISTS SPA_VERSION_26 +#define SPA_VERSION_FAST_SNAP SPA_VERSION_27 +#define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28 +#define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28 +#define SPA_VERSION_FEATURES SPA_VERSION_5000 + +#define SPA_VERSION_IS_SUPPORTED(v) \ + (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \ + ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION)) + +/* + * ZPL version - rev'd whenever an incompatible on-disk format change + * occurs. This is independent of SPA/DMU/ZAP versioning. You must + * also update the version_table[] and help message in zfs_prop.c. + * + * When changing, be sure to teach GRUB how to read the new format! + * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*} + */ +#define ZPL_VERSION_1 1ULL +#define ZPL_VERSION_2 2ULL +#define ZPL_VERSION_3 3ULL +#define ZPL_VERSION_4 4ULL +#define ZPL_VERSION_5 5ULL +#define ZPL_VERSION ZPL_VERSION_5 +#define ZPL_VERSION_STRING "5" + +#define ZPL_VERSION_INITIAL ZPL_VERSION_1 +#define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 +#define ZPL_VERSION_FUID ZPL_VERSION_3 +#define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 +#define ZPL_VERSION_SYSATTR ZPL_VERSION_3 +#define ZPL_VERSION_USERSPACE ZPL_VERSION_4 +#define ZPL_VERSION_SA ZPL_VERSION_5 + +/* Rewind request information */ +#define ZPOOL_NO_REWIND 1 /* No policy - default behavior */ +#define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */ +#define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */ +#define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */ +#define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */ +#define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */ +#define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */ + +typedef struct zpool_rewind_policy { + uint32_t zrp_request; /* rewind behavior requested */ + uint64_t zrp_maxmeta; /* max acceptable meta-data errors */ + uint64_t zrp_maxdata; /* max acceptable data errors */ + uint64_t zrp_txg; /* specific txg to load */ +} zpool_rewind_policy_t; + +/* + * The following are configuration names used in the nvlist describing a pool's + * configuration. + */ +#define ZPOOL_CONFIG_VERSION "version" +#define ZPOOL_CONFIG_POOL_NAME "name" +#define ZPOOL_CONFIG_POOL_STATE "state" +#define ZPOOL_CONFIG_POOL_TXG "txg" +#define ZPOOL_CONFIG_POOL_GUID "pool_guid" +#define ZPOOL_CONFIG_CREATE_TXG "create_txg" +#define ZPOOL_CONFIG_TOP_GUID "top_guid" +#define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" +#define ZPOOL_CONFIG_TYPE "type" +#define ZPOOL_CONFIG_CHILDREN "children" +#define ZPOOL_CONFIG_ID "id" +#define ZPOOL_CONFIG_GUID "guid" +#define ZPOOL_CONFIG_PATH "path" +#define ZPOOL_CONFIG_DEVID "devid" +#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" +#define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" +#define ZPOOL_CONFIG_ASHIFT "ashift" +#define ZPOOL_CONFIG_ASIZE "asize" +#define ZPOOL_CONFIG_DTL "DTL" +#define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */ +#define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */ +#define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" +#define ZPOOL_CONFIG_ERRCOUNT "error_count" +#define ZPOOL_CONFIG_NOT_PRESENT "not_present" +#define ZPOOL_CONFIG_SPARES "spares" +#define ZPOOL_CONFIG_IS_SPARE "is_spare" +#define ZPOOL_CONFIG_NPARITY "nparity" +#define ZPOOL_CONFIG_HOSTID "hostid" +#define ZPOOL_CONFIG_HOSTNAME "hostname" +#define ZPOOL_CONFIG_LOADED_TIME "initial_load_time" +#define ZPOOL_CONFIG_UNSPARE "unspare" +#define ZPOOL_CONFIG_PHYS_PATH "phys_path" +#define ZPOOL_CONFIG_IS_LOG "is_log" +#define ZPOOL_CONFIG_L2CACHE "l2cache" +#define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" +#define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" +#define ZPOOL_CONFIG_IS_HOLE "is_hole" +#define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" +#define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" +#define ZPOOL_CONFIG_DDT_STATS "ddt_stats" +#define ZPOOL_CONFIG_SPLIT "splitcfg" +#define ZPOOL_CONFIG_ORIG_GUID "orig_guid" +#define ZPOOL_CONFIG_SPLIT_GUID "split_guid" +#define ZPOOL_CONFIG_SPLIT_LIST "guid_list" +#define ZPOOL_CONFIG_REMOVING "removing" +#define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg" +#define ZPOOL_CONFIG_COMMENT "comment" +#define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ +#define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ +#define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ +#define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */ +#define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */ +#define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */ +#define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */ +#define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */ +#define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */ +#define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read" +#define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */ +#define ZPOOL_CONFIG_ERRATA "errata" /* not stored on disk */ +/* + * The persistent vdev state is stored as separate values rather than a single + * 'vdev_state' entry. This is because a device can be in multiple states, such + * as offline and degraded. + */ +#define ZPOOL_CONFIG_OFFLINE "offline" +#define ZPOOL_CONFIG_FAULTED "faulted" +#define ZPOOL_CONFIG_DEGRADED "degraded" +#define ZPOOL_CONFIG_REMOVED "removed" +#define ZPOOL_CONFIG_FRU "fru" +#define ZPOOL_CONFIG_AUX_STATE "aux_state" + +/* Rewind policy parameters */ +#define ZPOOL_REWIND_POLICY "rewind-policy" +#define ZPOOL_REWIND_REQUEST "rewind-request" +#define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg" +#define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh" +#define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh" + +/* Rewind data discovered */ +#define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts" +#define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors" +#define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind" + +#define VDEV_TYPE_ROOT "root" +#define VDEV_TYPE_MIRROR "mirror" +#define VDEV_TYPE_REPLACING "replacing" +#define VDEV_TYPE_RAIDZ "raidz" +#define VDEV_TYPE_DISK "disk" +#define VDEV_TYPE_FILE "file" +#define VDEV_TYPE_MISSING "missing" +#define VDEV_TYPE_HOLE "hole" +#define VDEV_TYPE_SPARE "spare" +#define VDEV_TYPE_LOG "log" +#define VDEV_TYPE_L2CACHE "l2cache" + +/* + * This is needed in userland to report the minimum necessary device size. + */ +#define SPA_MINDEVSIZE (64ULL << 20) + +/* + * Set if the fragmentation has not yet been calculated. This can happen + * because the space maps have not been upgraded or the histogram feature + * is not enabled. + */ +#define ZFS_FRAG_INVALID UINT64_MAX + +/* + * The location of the pool configuration repository, shared between kernel and + * userland. + */ +#define ZPOOL_CACHE "/etc/zfs/zpool.cache" + +/* + * vdev states are ordered from least to most healthy. + * A vdev that's CANT_OPEN or below is considered unusable. + */ +typedef enum vdev_state { + VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ + VDEV_STATE_CLOSED, /* Not currently open */ + VDEV_STATE_OFFLINE, /* Not allowed to open */ + VDEV_STATE_REMOVED, /* Explicitly removed from system */ + VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ + VDEV_STATE_FAULTED, /* External request to fault device */ + VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ + VDEV_STATE_HEALTHY /* Presumed good */ +} vdev_state_t; + +#define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY + +/* + * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field + * of the vdev stats structure uses these constants to distinguish why. + */ +typedef enum vdev_aux { + VDEV_AUX_NONE, /* no error */ + VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ + VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ + VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ + VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ + VDEV_AUX_TOO_SMALL, /* vdev size is too small */ + VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ + VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ + VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ + VDEV_AUX_UNSUP_FEAT, /* unsupported features */ + VDEV_AUX_SPARED, /* hot spare used in another pool */ + VDEV_AUX_ERR_EXCEEDED, /* too many errors */ + VDEV_AUX_IO_FAILURE, /* experienced I/O failure */ + VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */ + VDEV_AUX_EXTERNAL, /* external diagnosis */ + VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */ +} vdev_aux_t; + +/* + * pool state. The following states are written to disk as part of the normal + * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining + * states are software abstractions used at various levels to communicate + * pool state. + */ +typedef enum pool_state { + POOL_STATE_ACTIVE = 0, /* In active use */ + POOL_STATE_EXPORTED, /* Explicitly exported */ + POOL_STATE_DESTROYED, /* Explicitly destroyed */ + POOL_STATE_SPARE, /* Reserved for hot spare use */ + POOL_STATE_L2CACHE, /* Level 2 ARC device */ + POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ + POOL_STATE_UNAVAIL, /* Internal libzfs state */ + POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ +} pool_state_t; + +/* + * Scan Functions. + */ +typedef enum pool_scan_func { + POOL_SCAN_NONE, + POOL_SCAN_SCRUB, + POOL_SCAN_RESILVER, + POOL_SCAN_FUNCS +} pool_scan_func_t; + +/* + * ZIO types. Needed to interpret vdev statistics below. + */ +typedef enum zio_type { + ZIO_TYPE_NULL = 0, + ZIO_TYPE_READ, + ZIO_TYPE_WRITE, + ZIO_TYPE_FREE, + ZIO_TYPE_CLAIM, + ZIO_TYPE_IOCTL, + ZIO_TYPES +} zio_type_t; + +/* + * Pool statistics. Note: all fields should be 64-bit because this + * is passed between kernel and userland as an nvlist uint64 array. + */ +typedef struct pool_scan_stat { + /* values stored on disk */ + uint64_t pss_func; /* pool_scan_func_t */ + uint64_t pss_state; /* dsl_scan_state_t */ + uint64_t pss_start_time; /* scan start time */ + uint64_t pss_end_time; /* scan end time */ + uint64_t pss_to_examine; /* total bytes to scan */ + uint64_t pss_examined; /* total examined bytes */ + uint64_t pss_to_process; /* total bytes to process */ + uint64_t pss_processed; /* total processed bytes */ + uint64_t pss_errors; /* scan errors */ + + /* values not stored on disk */ + uint64_t pss_pass_exam; /* examined bytes per scan pass */ + uint64_t pss_pass_start; /* start time of a scan pass */ +} pool_scan_stat_t; + +typedef enum dsl_scan_state { + DSS_NONE, + DSS_SCANNING, + DSS_FINISHED, + DSS_CANCELED, + DSS_NUM_STATES +} dsl_scan_state_t; + +/* + * Errata described by http://zfsonlinux.org/msg/ZFS-8000-ER. The ordering + * of this enum must be maintained to ensure the errata identifiers map to + * the correct documentation. New errata may only be appended to the list + * and must contain corresponding documentation at the above link. + */ +typedef enum zpool_errata { + ZPOOL_ERRATA_NONE, + ZPOOL_ERRATA_ZOL_2094_SCRUB, + ZPOOL_ERRATA_ZOL_2094_ASYNC_DESTROY, +} zpool_errata_t; + +/* + * Vdev statistics. Note: all fields should be 64-bit because this + * is passed between kernel and userland as an nvlist uint64 array. + */ +typedef struct vdev_stat { + hrtime_t vs_timestamp; /* time since vdev load */ + uint64_t vs_state; /* vdev state */ + uint64_t vs_aux; /* see vdev_aux_t */ + uint64_t vs_alloc; /* space allocated */ + uint64_t vs_space; /* total capacity */ + uint64_t vs_dspace; /* deflated capacity */ + uint64_t vs_rsize; /* replaceable dev size */ + uint64_t vs_esize; /* expandable dev size */ + uint64_t vs_ops[ZIO_TYPES]; /* operation count */ + uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ + uint64_t vs_read_errors; /* read errors */ + uint64_t vs_write_errors; /* write errors */ + uint64_t vs_checksum_errors; /* checksum errors */ + uint64_t vs_self_healed; /* self-healed bytes */ + uint64_t vs_scan_removing; /* removing? */ + uint64_t vs_scan_processed; /* scan processed bytes */ + uint64_t vs_fragmentation; /* device fragmentation */ +} vdev_stat_t; + +/* + * DDT statistics. Note: all fields should be 64-bit because this + * is passed between kernel and userland as an nvlist uint64 array. + */ +typedef struct ddt_object { + uint64_t ddo_count; /* number of elments in ddt */ + uint64_t ddo_dspace; /* size of ddt on disk */ + uint64_t ddo_mspace; /* size of ddt in-core */ +} ddt_object_t; + +typedef struct ddt_stat { + uint64_t dds_blocks; /* blocks */ + uint64_t dds_lsize; /* logical size */ + uint64_t dds_psize; /* physical size */ + uint64_t dds_dsize; /* deflated allocated size */ + uint64_t dds_ref_blocks; /* referenced blocks */ + uint64_t dds_ref_lsize; /* referenced lsize * refcnt */ + uint64_t dds_ref_psize; /* referenced psize * refcnt */ + uint64_t dds_ref_dsize; /* referenced dsize * refcnt */ +} ddt_stat_t; + +typedef struct ddt_histogram { + ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */ +} ddt_histogram_t; + +#define ZVOL_DRIVER "zvol" +#define ZFS_DRIVER "zfs" +#define ZFS_DEV "/dev/zfs" + +/* general zvol path */ +#define ZVOL_DIR "/dev" + +#define ZVOL_MAJOR 230 +#define ZVOL_MINOR_BITS 4 +#define ZVOL_MINOR_MASK ((1U << ZVOL_MINOR_BITS) - 1) +#define ZVOL_MINORS (1 << 4) +#define ZVOL_DEV_NAME "zd" + +#define ZVOL_PROP_NAME "name" +#define ZVOL_DEFAULT_BLOCKSIZE 8192 + +/* + * /dev/zfs ioctl numbers. + */ +typedef enum zfs_ioc { + /* + * Illumos - 70/128 numbers reserved. + */ + ZFS_IOC_FIRST = ('Z' << 8), + ZFS_IOC = ZFS_IOC_FIRST, + ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST, + ZFS_IOC_POOL_DESTROY, + ZFS_IOC_POOL_IMPORT, + ZFS_IOC_POOL_EXPORT, + ZFS_IOC_POOL_CONFIGS, + ZFS_IOC_POOL_STATS, + ZFS_IOC_POOL_TRYIMPORT, + ZFS_IOC_POOL_SCAN, + ZFS_IOC_POOL_FREEZE, + ZFS_IOC_POOL_UPGRADE, + ZFS_IOC_POOL_GET_HISTORY, + ZFS_IOC_VDEV_ADD, + ZFS_IOC_VDEV_REMOVE, + ZFS_IOC_VDEV_SET_STATE, + ZFS_IOC_VDEV_ATTACH, + ZFS_IOC_VDEV_DETACH, + ZFS_IOC_VDEV_SETPATH, + ZFS_IOC_VDEV_SETFRU, + ZFS_IOC_OBJSET_STATS, + ZFS_IOC_OBJSET_ZPLPROPS, + ZFS_IOC_DATASET_LIST_NEXT, + ZFS_IOC_SNAPSHOT_LIST_NEXT, + ZFS_IOC_SET_PROP, + ZFS_IOC_CREATE, + ZFS_IOC_DESTROY, + ZFS_IOC_ROLLBACK, + ZFS_IOC_RENAME, + ZFS_IOC_RECV, + ZFS_IOC_SEND, + ZFS_IOC_INJECT_FAULT, + ZFS_IOC_CLEAR_FAULT, + ZFS_IOC_INJECT_LIST_NEXT, + ZFS_IOC_ERROR_LOG, + ZFS_IOC_CLEAR, + ZFS_IOC_PROMOTE, + ZFS_IOC_SNAPSHOT, + ZFS_IOC_DSOBJ_TO_DSNAME, + ZFS_IOC_OBJ_TO_PATH, + ZFS_IOC_POOL_SET_PROPS, + ZFS_IOC_POOL_GET_PROPS, + ZFS_IOC_SET_FSACL, + ZFS_IOC_GET_FSACL, + ZFS_IOC_SHARE, + ZFS_IOC_INHERIT_PROP, + ZFS_IOC_SMB_ACL, + ZFS_IOC_USERSPACE_ONE, + ZFS_IOC_USERSPACE_MANY, + ZFS_IOC_USERSPACE_UPGRADE, + ZFS_IOC_HOLD, + ZFS_IOC_RELEASE, + ZFS_IOC_GET_HOLDS, + ZFS_IOC_OBJSET_RECVD_PROPS, + ZFS_IOC_VDEV_SPLIT, + ZFS_IOC_NEXT_OBJ, + ZFS_IOC_DIFF, + ZFS_IOC_TMP_SNAPSHOT, + ZFS_IOC_OBJ_TO_STATS, + ZFS_IOC_SPACE_WRITTEN, + ZFS_IOC_SPACE_SNAPS, + ZFS_IOC_DESTROY_SNAPS, + ZFS_IOC_POOL_REGUID, + ZFS_IOC_POOL_REOPEN, + ZFS_IOC_SEND_PROGRESS, + ZFS_IOC_LOG_HISTORY, + ZFS_IOC_SEND_NEW, + ZFS_IOC_SEND_SPACE, + ZFS_IOC_CLONE, + ZFS_IOC_BOOKMARK, + ZFS_IOC_GET_BOOKMARKS, + ZFS_IOC_DESTROY_BOOKMARKS, + + /* + * Linux - 3/64 numbers reserved. + */ + ZFS_IOC_LINUX = ('Z' << 8) + 0x80, + ZFS_IOC_EVENTS_NEXT, + ZFS_IOC_EVENTS_CLEAR, + ZFS_IOC_EVENTS_SEEK, + + /* + * FreeBSD - 1/64 numbers reserved. + */ + ZFS_IOC_FREEBSD = ('Z' << 8) + 0xC0, + + ZFS_IOC_LAST +} zfs_ioc_t; + +/* + * zvol ioctl to get dataset name + */ +#define BLKZNAME _IOR(0x12, 125, char[ZFS_MAXNAMELEN]) + +/* + * Internal SPA load state. Used by FMA diagnosis engine. + */ +typedef enum { + SPA_LOAD_NONE, /* no load in progress */ + SPA_LOAD_OPEN, /* normal open */ + SPA_LOAD_IMPORT, /* import in progress */ + SPA_LOAD_TRYIMPORT, /* tryimport in progress */ + SPA_LOAD_RECOVER, /* recovery requested */ + SPA_LOAD_ERROR /* load failed */ +} spa_load_state_t; + +/* + * Bookmark name values. + */ +#define ZPOOL_ERR_LIST "error list" +#define ZPOOL_ERR_DATASET "dataset" +#define ZPOOL_ERR_OBJECT "object" + +#define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) + +/* + * The following are names used in the nvlist describing + * the pool's history log. + */ +#define ZPOOL_HIST_RECORD "history record" +#define ZPOOL_HIST_TIME "history time" +#define ZPOOL_HIST_CMD "history command" +#define ZPOOL_HIST_WHO "history who" +#define ZPOOL_HIST_ZONE "history zone" +#define ZPOOL_HIST_HOST "history hostname" +#define ZPOOL_HIST_TXG "history txg" +#define ZPOOL_HIST_INT_EVENT "history internal event" +#define ZPOOL_HIST_INT_STR "history internal str" +#define ZPOOL_HIST_INT_NAME "internal_name" +#define ZPOOL_HIST_IOCTL "ioctl" +#define ZPOOL_HIST_INPUT_NVL "in_nvl" +#define ZPOOL_HIST_OUTPUT_NVL "out_nvl" +#define ZPOOL_HIST_DSNAME "dsname" +#define ZPOOL_HIST_DSID "dsid" + +/* + * Flags for ZFS_IOC_VDEV_SET_STATE + */ +#define ZFS_ONLINE_CHECKREMOVE 0x1 +#define ZFS_ONLINE_UNSPARE 0x2 +#define ZFS_ONLINE_FORCEFAULT 0x4 +#define ZFS_ONLINE_EXPAND 0x8 +#define ZFS_OFFLINE_TEMPORARY 0x1 + +/* + * Flags for ZFS_IOC_POOL_IMPORT + */ +#define ZFS_IMPORT_NORMAL 0x0 +#define ZFS_IMPORT_VERBATIM 0x1 +#define ZFS_IMPORT_ANY_HOST 0x2 +#define ZFS_IMPORT_MISSING_LOG 0x4 +#define ZFS_IMPORT_ONLY 0x8 +#define ZFS_IMPORT_TEMP_NAME 0x10 + +/* + * Sysevent payload members. ZFS will generate the following sysevents with the + * given payloads: + * + * ESC_ZFS_RESILVER_START + * ESC_ZFS_RESILVER_END + * ESC_ZFS_POOL_DESTROY + * ESC_ZFS_POOL_REGUID + * + * ZFS_EV_POOL_NAME DATA_TYPE_STRING + * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 + * + * ESC_ZFS_VDEV_REMOVE + * ESC_ZFS_VDEV_CLEAR + * ESC_ZFS_VDEV_CHECK + * + * ZFS_EV_POOL_NAME DATA_TYPE_STRING + * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 + * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) + * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 + */ +#define ZFS_EV_POOL_NAME "pool_name" +#define ZFS_EV_POOL_GUID "pool_guid" +#define ZFS_EV_VDEV_PATH "vdev_path" +#define ZFS_EV_VDEV_GUID "vdev_guid" + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_H */ diff --git a/zfs/include/sys/metaslab.h b/zfs/include/sys/metaslab.h new file mode 100644 index 000000000000..5f831a1f5604 --- /dev/null +++ b/zfs/include/sys/metaslab.h @@ -0,0 +1,100 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_METASLAB_H +#define _SYS_METASLAB_H + +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct metaslab_ops { + uint64_t (*msop_alloc)(metaslab_t *msp, uint64_t size); +} metaslab_ops_t; + +extern metaslab_ops_t *zfs_metaslab_ops; + +int metaslab_init(metaslab_group_t *, uint64_t, uint64_t, uint64_t, + metaslab_t **); +void metaslab_fini(metaslab_t *); + +void metaslab_load_wait(metaslab_t *); +int metaslab_load(metaslab_t *); +void metaslab_unload(metaslab_t *); + +void metaslab_sync(metaslab_t *, uint64_t); +void metaslab_sync_done(metaslab_t *, uint64_t); +void metaslab_sync_reassess(metaslab_group_t *); +uint64_t metaslab_block_maxsize(metaslab_t *); + +#define METASLAB_HINTBP_FAVOR 0x0 +#define METASLAB_HINTBP_AVOID 0x1 +#define METASLAB_GANG_HEADER 0x2 +#define METASLAB_GANG_CHILD 0x4 +#define METASLAB_GANG_AVOID 0x8 +#define METASLAB_FASTWRITE 0x10 + +int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t, + blkptr_t *, int, uint64_t, blkptr_t *, int); +void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t); +int metaslab_claim(spa_t *, const blkptr_t *, uint64_t); +void metaslab_check_free(spa_t *, const blkptr_t *); +void metaslab_fastwrite_mark(spa_t *, const blkptr_t *); +void metaslab_fastwrite_unmark(spa_t *, const blkptr_t *); + +metaslab_class_t *metaslab_class_create(spa_t *, metaslab_ops_t *); +void metaslab_class_destroy(metaslab_class_t *); +int metaslab_class_validate(metaslab_class_t *); +void metaslab_class_histogram_verify(metaslab_class_t *); +uint64_t metaslab_class_fragmentation(metaslab_class_t *); +uint64_t metaslab_class_expandable_space(metaslab_class_t *); + +void metaslab_class_space_update(metaslab_class_t *, int64_t, int64_t, + int64_t, int64_t); +uint64_t metaslab_class_get_alloc(metaslab_class_t *); +uint64_t metaslab_class_get_space(metaslab_class_t *); +uint64_t metaslab_class_get_dspace(metaslab_class_t *); +uint64_t metaslab_class_get_deferred(metaslab_class_t *); + +metaslab_group_t *metaslab_group_create(metaslab_class_t *, vdev_t *); +void metaslab_group_destroy(metaslab_group_t *); +void metaslab_group_activate(metaslab_group_t *); +void metaslab_group_passivate(metaslab_group_t *); +uint64_t metaslab_group_get_space(metaslab_group_t *); +void metaslab_group_histogram_verify(metaslab_group_t *); +uint64_t metaslab_group_fragmentation(metaslab_group_t *); +void metaslab_group_histogram_remove(metaslab_group_t *, metaslab_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_METASLAB_H */ diff --git a/zfs/include/sys/metaslab_impl.h b/zfs/include/sys/metaslab_impl.h new file mode 100644 index 000000000000..88bda071fa73 --- /dev/null +++ b/zfs/include/sys/metaslab_impl.h @@ -0,0 +1,202 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_METASLAB_IMPL_H +#define _SYS_METASLAB_IMPL_H + +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * A metaslab class encompasses a category of allocatable top-level vdevs. + * Each top-level vdev is associated with a metaslab group which defines + * the allocatable region for that vdev. Examples of these categories include + * "normal" for data block allocations (i.e. main pool allocations) or "log" + * for allocations designated for intent log devices (i.e. slog devices). + * When a block allocation is requested from the SPA it is associated with a + * metaslab_class_t, and only top-level vdevs (i.e. metaslab groups) belonging + * to the class can be used to satisfy that request. Allocations are done + * by traversing the metaslab groups that are linked off of the mc_rotor field. + * This rotor points to the next metaslab group where allocations will be + * attempted. Allocating a block is a 3 step process -- select the metaslab + * group, select the metaslab, and then allocate the block. The metaslab + * class defines the low-level block allocator that will be used as the + * final step in allocation. These allocators are pluggable allowing each class + * to use a block allocator that best suits that class. + */ +struct metaslab_class { + spa_t *mc_spa; + metaslab_group_t *mc_rotor; + metaslab_ops_t *mc_ops; + uint64_t mc_aliquot; + uint64_t mc_alloc_groups; /* # of allocatable groups */ + uint64_t mc_alloc; /* total allocated space */ + uint64_t mc_deferred; /* total deferred frees */ + uint64_t mc_space; /* total space (alloc + free) */ + uint64_t mc_dspace; /* total deflated space */ + uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE]; + kmutex_t mc_fastwrite_lock; +}; + +/* + * Metaslab groups encapsulate all the allocatable regions (i.e. metaslabs) + * of a top-level vdev. They are linked togther to form a circular linked + * list and can belong to only one metaslab class. Metaslab groups may become + * ineligible for allocations for a number of reasons such as limited free + * space, fragmentation, or going offline. When this happens the allocator will + * simply find the next metaslab group in the linked list and attempt + * to allocate from that group instead. + */ +struct metaslab_group { + kmutex_t mg_lock; + avl_tree_t mg_metaslab_tree; + uint64_t mg_aliquot; + boolean_t mg_allocatable; /* can we allocate? */ + uint64_t mg_free_capacity; /* percentage free */ + int64_t mg_bias; + int64_t mg_activation_count; + metaslab_class_t *mg_class; + vdev_t *mg_vd; + taskq_t *mg_taskq; + metaslab_group_t *mg_prev; + metaslab_group_t *mg_next; + uint64_t mg_fragmentation; + uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; +}; + +/* + * This value defines the number of elements in the ms_lbas array. The value + * of 64 was chosen as it covers all power of 2 buckets up to UINT64_MAX. + * This is the equivalent of highbit(UINT64_MAX). + */ +#define MAX_LBAS 64 + +/* + * Each metaslab maintains a set of in-core trees to track metaslab operations. + * The in-core free tree (ms_tree) contains the current list of free segments. + * As blocks are allocated, the allocated segment are removed from the ms_tree + * and added to a per txg allocation tree (ms_alloctree). As blocks are freed, + * they are added to the per txg free tree (ms_freetree). These per txg + * trees allow us to process all allocations and frees in syncing context + * where it is safe to update the on-disk space maps. One additional in-core + * tree is maintained to track deferred frees (ms_defertree). Once a block + * is freed it will move from the ms_freetree to the ms_defertree. A deferred + * free means that a block has been freed but cannot be used by the pool + * until TXG_DEFER_SIZE transactions groups later. For example, a block + * that is freed in txg 50 will not be available for reallocation until + * txg 52 (50 + TXG_DEFER_SIZE). This provides a safety net for uberblock + * rollback. A pool could be safely rolled back TXG_DEFERS_SIZE + * transactions groups and ensure that no block has been reallocated. + * + * The simplified transition diagram looks like this: + * + * + * ALLOCATE + * | + * V + * free segment (ms_tree) --------> ms_alloctree ----> (write to space map) + * ^ + * | + * | ms_freetree <--- FREE + * | | + * | | + * | | + * +----------- ms_defertree <-------+---------> (write to space map) + * + * + * Each metaslab's space is tracked in a single space map in the MOS, + * which is only updated in syncing context. Each time we sync a txg, + * we append the allocs and frees from that txg to the space map. + * The pool space is only updated once all metaslabs have finished syncing. + * + * To load the in-core free tree we read the space map from disk. + * This object contains a series of alloc and free records that are + * combined to make up the list of all free segments in this metaslab. These + * segments are represented in-core by the ms_tree and are stored in an + * AVL tree. + * + * As the space map grows (as a result of the appends) it will + * eventually become space-inefficient. When the metaslab's in-core free tree + * is zfs_condense_pct/100 times the size of the minimal on-disk + * representation, we rewrite it in its minimized form. If a metaslab + * needs to condense then we must set the ms_condensing flag to ensure + * that allocations are not performed on the metaslab that is being written. + */ +struct metaslab { + kmutex_t ms_lock; + kcondvar_t ms_load_cv; + space_map_t *ms_sm; + metaslab_ops_t *ms_ops; + uint64_t ms_id; + uint64_t ms_start; + uint64_t ms_size; + uint64_t ms_fragmentation; + + range_tree_t *ms_alloctree[TXG_SIZE]; + range_tree_t *ms_freetree[TXG_SIZE]; + range_tree_t *ms_defertree[TXG_DEFER_SIZE]; + range_tree_t *ms_tree; + + boolean_t ms_condensing; /* condensing? */ + boolean_t ms_condense_wanted; + boolean_t ms_loaded; + boolean_t ms_loading; + + int64_t ms_deferspace; /* sum of ms_defermap[] space */ + uint64_t ms_weight; /* weight vs. others in group */ + uint64_t ms_access_txg; + + /* + * The metaslab block allocators can optionally use a size-ordered + * range tree and/or an array of LBAs. Not all allocators use + * this functionality. The ms_size_tree should always contain the + * same number of segments as the ms_tree. The only difference + * is that the ms_size_tree is ordered by segment sizes. + */ + avl_tree_t ms_size_tree; + uint64_t ms_lbas[MAX_LBAS]; + + metaslab_group_t *ms_group; /* metaslab group */ + avl_node_t ms_group_node; /* node in metaslab group tree */ + txg_node_t ms_txg_node; /* per-txg dirty metaslab links */ +}; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_METASLAB_IMPL_H */ diff --git a/zfs/include/sys/mntent.h b/zfs/include/sys/mntent.h new file mode 100644 index 000000000000..fac751b462bc --- /dev/null +++ b/zfs/include/sys/mntent.h @@ -0,0 +1,103 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T + * All Rights Reserved + */ + +#ifndef _SYS_MNTENT_H +#define _SYS_MNTENT_H + +#define MNTTYPE_ZFS "zfs" /* ZFS file system */ + +#define MOUNT_SUCCESS 0x00 /* Success */ +#define MOUNT_USAGE 0x01 /* Invalid invocation or permissions */ +#define MOUNT_SYSERR 0x02 /* System error (ENOMEM, etc) */ +#define MOUNT_SOFTWARE 0x04 /* Internal mount bug */ +#define MOUNT_USER 0x08 /* Interrupted by user (EINTR) */ +#define MOUNT_FILEIO 0x10 /* Error updating/locking /etc/mtab */ +#define MOUNT_FAIL 0x20 /* Mount failed */ +#define MOUNT_SOMEOK 0x40 /* At least on mount succeeded */ +#define MOUNT_BUSY 0x80 /* Mount failed due to EBUSY */ + +#define MNTOPT_ASYNC "async" /* all I/O is asynchronous */ +#define MNTOPT_ATIME "atime" /* update atime for files */ +#define MNTOPT_NOATIME "noatime" /* do not update atime for files */ +#define MNTOPT_AUTO "auto" /* automount */ +#define MNTOPT_NOAUTO "noauto" /* do not automount */ +#define MNTOPT_CONTEXT "context" /* selinux context */ +#define MNTOPT_FSCONTEXT "fscontext" /* selinux fscontext */ +#define MNTOPT_DEFCONTEXT "defcontext" /* selinux defcontext */ +#define MNTOPT_ROOTCONTEXT "rootcontext" /* selinux rootcontext */ +#define MNTOPT_DEFAULTS "defaults" /* defaults */ +#define MNTOPT_DEVICES "dev" /* device-special allowed */ +#define MNTOPT_NODEVICES "nodev" /* device-special disallowed */ +#define MNTOPT_DIRATIME "diratime" /* update atime for dirs */ +#define MNTOPT_NODIRATIME "nodiratime" /* do not update atime for dirs */ +#define MNTOPT_DIRSYNC "dirsync" /* do dir updates synchronously */ +#define MNTOPT_EXEC "exec" /* enable executables */ +#define MNTOPT_NOEXEC "noexec" /* disable executables */ +#define MNTOPT_GROUP "group" /* allow group mount */ +#define MNTOPT_NOGROUP "nogroup" /* do not allow group mount */ +#define MNTOPT_IVERSION "iversion" /* update inode version */ +#define MNTOPT_NOIVERSION "noiversion" /* do not update inode version */ +#define MNTOPT_NBMAND "mand" /* allow non-blocking mandatory locks */ +#define MNTOPT_NONBMAND "nomand" /* deny non-blocking mandatory locks */ +#define MNTOPT_NETDEV "_netdev" /* network device */ +#define MNTOPT_NOFAIL "nofail" /* no failure */ +#define MNTOPT_RELATIME "relatime" /* allow relative time updates */ +#define MNTOPT_NORELATIME "norelatime" /* do not allow relative time updates */ +#define MNTOPT_STRICTATIME "strictatime" /* strict access time updates */ +#define MNTOPT_NOSTRICTATIME "nostrictatime" /* No strict access time updates */ +#define MNTOPT_LAZYTIME "lazytime" /* Defer access time writing */ +#define MNTOPT_SETUID "suid" /* Both setuid and devices allowed */ +#define MNTOPT_NOSETUID "nosuid" /* Neither setuid nor devices allowed */ +#define MNTOPT_OWNER "owner" /* allow owner mount */ +#define MNTOPT_NOOWNER "noowner" /* do not allow owner mount */ +#define MNTOPT_REMOUNT "remount" /* change mount options */ +#define MNTOPT_RO "ro" /* read only */ +#define MNTOPT_RW "rw" /* read/write */ +#define MNTOPT_SYNC "sync" /* all I/O is synchronous */ +#define MNTOPT_USER "user" /* allow user mount */ +#define MNTOPT_NOUSER "nouser" /* do not allow user mount */ +#define MNTOPT_USERS "users" /* allow user mount */ +#define MNTOPT_NOUSERS "nousers" /* do not allow user mount */ +#define MNTOPT_SUB "sub" /* allow mounts on subdirs */ +#define MNTOPT_NOSUB "nosub" /* do not allow mounts on subdirs */ +#define MNTOPT_QUIET "quiet" /* quiet mount */ +#define MNTOPT_LOUD "loud" /* verbose mount */ +#define MNTOPT_BIND "bind" /* remount part of a tree */ +#define MNTOPT_RBIND "rbind" /* include subtrees */ +#define MNTOPT_DIRXATTR "dirxattr" /* enable directory xattrs */ +#define MNTOPT_SAXATTR "saxattr" /* enable system-attribute xattrs */ +#define MNTOPT_XATTR "xattr" /* enable extended attributes */ +#define MNTOPT_NOXATTR "noxattr" /* disable extended attributes */ +#define MNTOPT_COMMENT "comment" /* comment */ +#define MNTOPT_ZFSUTIL "zfsutil" /* called by zfs utility */ +#define MNTOPT_ACL "acl" /* passed by util-linux-2.24 mount */ +#define MNTOPT_NOACL "noacl" /* likewise */ +#define MNTOPT_POSIXACL "posixacl" /* likewise */ +#define MNTOPT_MNTPOINT "mntpoint" /* mount point hint */ + +#endif /* _SYS_MNTENT_H */ diff --git a/zfs/include/sys/multilist.h b/zfs/include/sys/multilist.h new file mode 100644 index 000000000000..98d707dd71ef --- /dev/null +++ b/zfs/include/sys/multilist.h @@ -0,0 +1,105 @@ +/* + * CDDL HEADER START + * + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_MULTILIST_H +#define _SYS_MULTILIST_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef list_node_t multilist_node_t; +typedef struct multilist multilist_t; +typedef struct multilist_sublist multilist_sublist_t; +typedef unsigned int multilist_sublist_index_func_t(multilist_t *, void *); + +struct multilist_sublist { + /* + * The mutex used internally to implement thread safe insertions + * and removals to this individual sublist. It can also be locked + * by a consumer using multilist_sublist_{lock,unlock}, which is + * useful if a consumer needs to traverse the list in a thread + * safe manner. + */ + kmutex_t mls_lock; + /* + * The actual list object containing all objects in this sublist. + */ + list_t mls_list; + /* + * Pad to cache line, in an effort to try and prevent cache line + * contention. + */ +} ____cacheline_aligned; + +struct multilist { + /* + * This is used to get to the multilist_node_t structure given + * the void *object contained on the list. + */ + size_t ml_offset; + /* + * The number of sublists used internally by this multilist. + */ + uint64_t ml_num_sublists; + /* + * The array of pointers to the actual sublists. + */ + multilist_sublist_t *ml_sublists; + /* + * Pointer to function which determines the sublist to use + * when inserting and removing objects from this multilist. + * Please see the comment above multilist_create for details. + */ + multilist_sublist_index_func_t *ml_index_func; +}; + +void multilist_destroy(multilist_t *); +void multilist_create(multilist_t *, size_t, size_t, unsigned int, + multilist_sublist_index_func_t *); + +void multilist_insert(multilist_t *, void *); +void multilist_remove(multilist_t *, void *); +int multilist_is_empty(multilist_t *); + +unsigned int multilist_get_num_sublists(multilist_t *); +unsigned int multilist_get_random_index(multilist_t *); + +multilist_sublist_t *multilist_sublist_lock(multilist_t *, unsigned int); +void multilist_sublist_unlock(multilist_sublist_t *); + +void multilist_sublist_insert_head(multilist_sublist_t *, void *); +void multilist_sublist_insert_tail(multilist_sublist_t *, void *); +void multilist_sublist_move_forward(multilist_sublist_t *mls, void *obj); +void multilist_sublist_remove(multilist_sublist_t *, void *); + +void *multilist_sublist_head(multilist_sublist_t *); +void *multilist_sublist_tail(multilist_sublist_t *); +void *multilist_sublist_next(multilist_sublist_t *, void *); +void *multilist_sublist_prev(multilist_sublist_t *, void *); + +void multilist_link_init(multilist_node_t *); +int multilist_link_active(multilist_node_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_MULTILIST_H */ diff --git a/zfs/include/sys/nvpair.h b/zfs/include/sys/nvpair.h new file mode 100644 index 000000000000..d2dfad5ca2b3 --- /dev/null +++ b/zfs/include/sys/nvpair.h @@ -0,0 +1,352 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#ifndef _SYS_NVPAIR_H +#define _SYS_NVPAIR_H + +#include +#include +#include +#include + +#if defined(_KERNEL) && !defined(_BOOT) +#include +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + DATA_TYPE_UNKNOWN = 0, + DATA_TYPE_BOOLEAN, + DATA_TYPE_BYTE, + DATA_TYPE_INT16, + DATA_TYPE_UINT16, + DATA_TYPE_INT32, + DATA_TYPE_UINT32, + DATA_TYPE_INT64, + DATA_TYPE_UINT64, + DATA_TYPE_STRING, + DATA_TYPE_BYTE_ARRAY, + DATA_TYPE_INT16_ARRAY, + DATA_TYPE_UINT16_ARRAY, + DATA_TYPE_INT32_ARRAY, + DATA_TYPE_UINT32_ARRAY, + DATA_TYPE_INT64_ARRAY, + DATA_TYPE_UINT64_ARRAY, + DATA_TYPE_STRING_ARRAY, + DATA_TYPE_HRTIME, + DATA_TYPE_NVLIST, + DATA_TYPE_NVLIST_ARRAY, + DATA_TYPE_BOOLEAN_VALUE, + DATA_TYPE_INT8, + DATA_TYPE_UINT8, + DATA_TYPE_BOOLEAN_ARRAY, + DATA_TYPE_INT8_ARRAY, +#if !defined(_KERNEL) + DATA_TYPE_UINT8_ARRAY, + DATA_TYPE_DOUBLE +#else + DATA_TYPE_UINT8_ARRAY +#endif +} data_type_t; + +typedef struct nvpair { + int32_t nvp_size; /* size of this nvpair */ + int16_t nvp_name_sz; /* length of name string */ + int16_t nvp_reserve; /* not used */ + int32_t nvp_value_elem; /* number of elements for array types */ + data_type_t nvp_type; /* type of value */ + /* name string */ + /* aligned ptr array for string arrays */ + /* aligned array of data for value */ +} nvpair_t; + +/* nvlist header */ +typedef struct nvlist { + int32_t nvl_version; + uint32_t nvl_nvflag; /* persistent flags */ + uint64_t nvl_priv; /* ptr to private data if not packed */ + uint32_t nvl_flag; + int32_t nvl_pad; /* currently not used, for alignment */ +} nvlist_t; + +/* nvp implementation version */ +#define NV_VERSION 0 + +/* nvlist pack encoding */ +#define NV_ENCODE_NATIVE 0 +#define NV_ENCODE_XDR 1 + +/* nvlist persistent unique name flags, stored in nvl_nvflags */ +#define NV_UNIQUE_NAME 0x1 +#define NV_UNIQUE_NAME_TYPE 0x2 + +/* nvlist lookup pairs related flags */ +#define NV_FLAG_NOENTOK 0x1 + +/* convenience macros */ +#define NV_ALIGN(x) (((ulong_t)(x) + 7ul) & ~7ul) +#define NV_ALIGN4(x) (((x) + 3) & ~3) + +#define NVP_SIZE(nvp) ((nvp)->nvp_size) +#define NVP_NAME(nvp) ((char *)(nvp) + sizeof (nvpair_t)) +#define NVP_TYPE(nvp) ((nvp)->nvp_type) +#define NVP_NELEM(nvp) ((nvp)->nvp_value_elem) +#define NVP_VALUE(nvp) ((char *)(nvp) + NV_ALIGN(sizeof (nvpair_t) \ + + (nvp)->nvp_name_sz)) + +#define NVL_VERSION(nvl) ((nvl)->nvl_version) +#define NVL_SIZE(nvl) ((nvl)->nvl_size) +#define NVL_FLAG(nvl) ((nvl)->nvl_flag) + +/* NV allocator framework */ +typedef struct nv_alloc_ops nv_alloc_ops_t; + +typedef struct nv_alloc { + const nv_alloc_ops_t *nva_ops; + void *nva_arg; +} nv_alloc_t; + +struct nv_alloc_ops { + int (*nv_ao_init)(nv_alloc_t *, va_list); + void (*nv_ao_fini)(nv_alloc_t *); + void *(*nv_ao_alloc)(nv_alloc_t *, size_t); + void (*nv_ao_free)(nv_alloc_t *, void *, size_t); + void (*nv_ao_reset)(nv_alloc_t *); +}; + +extern const nv_alloc_ops_t *nv_fixed_ops; +extern nv_alloc_t *nv_alloc_nosleep; + +#if defined(_KERNEL) && !defined(_BOOT) +extern nv_alloc_t *nv_alloc_sleep; +extern nv_alloc_t *nv_alloc_pushpage; +#endif + +int nv_alloc_init(nv_alloc_t *, const nv_alloc_ops_t *, /* args */ ...); +void nv_alloc_reset(nv_alloc_t *); +void nv_alloc_fini(nv_alloc_t *); + +/* list management */ +int nvlist_alloc(nvlist_t **, uint_t, int); +void nvlist_free(nvlist_t *); +int nvlist_size(nvlist_t *, size_t *, int); +int nvlist_pack(nvlist_t *, char **, size_t *, int, int); +int nvlist_unpack(char *, size_t, nvlist_t **, int); +int nvlist_dup(nvlist_t *, nvlist_t **, int); +int nvlist_merge(nvlist_t *, nvlist_t *, int); + +uint_t nvlist_nvflag(nvlist_t *); + +int nvlist_xalloc(nvlist_t **, uint_t, nv_alloc_t *); +int nvlist_xpack(nvlist_t *, char **, size_t *, int, nv_alloc_t *); +int nvlist_xunpack(char *, size_t, nvlist_t **, nv_alloc_t *); +int nvlist_xdup(nvlist_t *, nvlist_t **, nv_alloc_t *); +nv_alloc_t *nvlist_lookup_nv_alloc(nvlist_t *); + +int nvlist_add_nvpair(nvlist_t *, nvpair_t *); +int nvlist_add_boolean(nvlist_t *, const char *); +int nvlist_add_boolean_value(nvlist_t *, const char *, boolean_t); +int nvlist_add_byte(nvlist_t *, const char *, uchar_t); +int nvlist_add_int8(nvlist_t *, const char *, int8_t); +int nvlist_add_uint8(nvlist_t *, const char *, uint8_t); +int nvlist_add_int16(nvlist_t *, const char *, int16_t); +int nvlist_add_uint16(nvlist_t *, const char *, uint16_t); +int nvlist_add_int32(nvlist_t *, const char *, int32_t); +int nvlist_add_uint32(nvlist_t *, const char *, uint32_t); +int nvlist_add_int64(nvlist_t *, const char *, int64_t); +int nvlist_add_uint64(nvlist_t *, const char *, uint64_t); +int nvlist_add_string(nvlist_t *, const char *, const char *); +int nvlist_add_nvlist(nvlist_t *, const char *, nvlist_t *); +int nvlist_add_boolean_array(nvlist_t *, const char *, boolean_t *, uint_t); +int nvlist_add_byte_array(nvlist_t *, const char *, uchar_t *, uint_t); +int nvlist_add_int8_array(nvlist_t *, const char *, int8_t *, uint_t); +int nvlist_add_uint8_array(nvlist_t *, const char *, uint8_t *, uint_t); +int nvlist_add_int16_array(nvlist_t *, const char *, int16_t *, uint_t); +int nvlist_add_uint16_array(nvlist_t *, const char *, uint16_t *, uint_t); +int nvlist_add_int32_array(nvlist_t *, const char *, int32_t *, uint_t); +int nvlist_add_uint32_array(nvlist_t *, const char *, uint32_t *, uint_t); +int nvlist_add_int64_array(nvlist_t *, const char *, int64_t *, uint_t); +int nvlist_add_uint64_array(nvlist_t *, const char *, uint64_t *, uint_t); +int nvlist_add_string_array(nvlist_t *, const char *, char *const *, uint_t); +int nvlist_add_nvlist_array(nvlist_t *, const char *, nvlist_t **, uint_t); +int nvlist_add_hrtime(nvlist_t *, const char *, hrtime_t); +#if !defined(_KERNEL) +int nvlist_add_double(nvlist_t *, const char *, double); +#endif + +int nvlist_remove(nvlist_t *, const char *, data_type_t); +int nvlist_remove_all(nvlist_t *, const char *); +int nvlist_remove_nvpair(nvlist_t *, nvpair_t *); + +int nvlist_lookup_boolean(nvlist_t *, const char *); +int nvlist_lookup_boolean_value(nvlist_t *, const char *, boolean_t *); +int nvlist_lookup_byte(nvlist_t *, const char *, uchar_t *); +int nvlist_lookup_int8(nvlist_t *, const char *, int8_t *); +int nvlist_lookup_uint8(nvlist_t *, const char *, uint8_t *); +int nvlist_lookup_int16(nvlist_t *, const char *, int16_t *); +int nvlist_lookup_uint16(nvlist_t *, const char *, uint16_t *); +int nvlist_lookup_int32(nvlist_t *, const char *, int32_t *); +int nvlist_lookup_uint32(nvlist_t *, const char *, uint32_t *); +int nvlist_lookup_int64(nvlist_t *, const char *, int64_t *); +int nvlist_lookup_uint64(nvlist_t *, const char *, uint64_t *); +int nvlist_lookup_string(nvlist_t *, const char *, char **); +int nvlist_lookup_nvlist(nvlist_t *, const char *, nvlist_t **); +int nvlist_lookup_boolean_array(nvlist_t *, const char *, + boolean_t **, uint_t *); +int nvlist_lookup_byte_array(nvlist_t *, const char *, uchar_t **, uint_t *); +int nvlist_lookup_int8_array(nvlist_t *, const char *, int8_t **, uint_t *); +int nvlist_lookup_uint8_array(nvlist_t *, const char *, uint8_t **, uint_t *); +int nvlist_lookup_int16_array(nvlist_t *, const char *, int16_t **, uint_t *); +int nvlist_lookup_uint16_array(nvlist_t *, const char *, uint16_t **, uint_t *); +int nvlist_lookup_int32_array(nvlist_t *, const char *, int32_t **, uint_t *); +int nvlist_lookup_uint32_array(nvlist_t *, const char *, uint32_t **, uint_t *); +int nvlist_lookup_int64_array(nvlist_t *, const char *, int64_t **, uint_t *); +int nvlist_lookup_uint64_array(nvlist_t *, const char *, uint64_t **, uint_t *); +int nvlist_lookup_string_array(nvlist_t *, const char *, char ***, uint_t *); +int nvlist_lookup_nvlist_array(nvlist_t *, const char *, + nvlist_t ***, uint_t *); +int nvlist_lookup_hrtime(nvlist_t *, const char *, hrtime_t *); +int nvlist_lookup_pairs(nvlist_t *, int, ...); +#if !defined(_KERNEL) +int nvlist_lookup_double(nvlist_t *, const char *, double *); +#endif + +int nvlist_lookup_nvpair(nvlist_t *, const char *, nvpair_t **); +int nvlist_lookup_nvpair_embedded_index(nvlist_t *, const char *, nvpair_t **, + int *, char **); +boolean_t nvlist_exists(nvlist_t *, const char *); +boolean_t nvlist_empty(nvlist_t *); + +/* processing nvpair */ +nvpair_t *nvlist_next_nvpair(nvlist_t *, nvpair_t *); +nvpair_t *nvlist_prev_nvpair(nvlist_t *, nvpair_t *); +char *nvpair_name(nvpair_t *); +data_type_t nvpair_type(nvpair_t *); +int nvpair_type_is_array(nvpair_t *); +int nvpair_value_boolean_value(nvpair_t *, boolean_t *); +int nvpair_value_byte(nvpair_t *, uchar_t *); +int nvpair_value_int8(nvpair_t *, int8_t *); +int nvpair_value_uint8(nvpair_t *, uint8_t *); +int nvpair_value_int16(nvpair_t *, int16_t *); +int nvpair_value_uint16(nvpair_t *, uint16_t *); +int nvpair_value_int32(nvpair_t *, int32_t *); +int nvpair_value_uint32(nvpair_t *, uint32_t *); +int nvpair_value_int64(nvpair_t *, int64_t *); +int nvpair_value_uint64(nvpair_t *, uint64_t *); +int nvpair_value_string(nvpair_t *, char **); +int nvpair_value_nvlist(nvpair_t *, nvlist_t **); +int nvpair_value_boolean_array(nvpair_t *, boolean_t **, uint_t *); +int nvpair_value_byte_array(nvpair_t *, uchar_t **, uint_t *); +int nvpair_value_int8_array(nvpair_t *, int8_t **, uint_t *); +int nvpair_value_uint8_array(nvpair_t *, uint8_t **, uint_t *); +int nvpair_value_int16_array(nvpair_t *, int16_t **, uint_t *); +int nvpair_value_uint16_array(nvpair_t *, uint16_t **, uint_t *); +int nvpair_value_int32_array(nvpair_t *, int32_t **, uint_t *); +int nvpair_value_uint32_array(nvpair_t *, uint32_t **, uint_t *); +int nvpair_value_int64_array(nvpair_t *, int64_t **, uint_t *); +int nvpair_value_uint64_array(nvpair_t *, uint64_t **, uint_t *); +int nvpair_value_string_array(nvpair_t *, char ***, uint_t *); +int nvpair_value_nvlist_array(nvpair_t *, nvlist_t ***, uint_t *); +int nvpair_value_hrtime(nvpair_t *, hrtime_t *); +#if !defined(_KERNEL) +int nvpair_value_double(nvpair_t *, double *); +#endif + +nvlist_t *fnvlist_alloc(void); +void fnvlist_free(nvlist_t *); +size_t fnvlist_size(nvlist_t *); +char *fnvlist_pack(nvlist_t *, size_t *); +void fnvlist_pack_free(char *, size_t); +nvlist_t *fnvlist_unpack(char *, size_t); +nvlist_t *fnvlist_dup(nvlist_t *); +void fnvlist_merge(nvlist_t *, nvlist_t *); +size_t fnvlist_num_pairs(nvlist_t *); + +void fnvlist_add_boolean(nvlist_t *, const char *); +void fnvlist_add_boolean_value(nvlist_t *, const char *, boolean_t); +void fnvlist_add_byte(nvlist_t *, const char *, uchar_t); +void fnvlist_add_int8(nvlist_t *, const char *, int8_t); +void fnvlist_add_uint8(nvlist_t *, const char *, uint8_t); +void fnvlist_add_int16(nvlist_t *, const char *, int16_t); +void fnvlist_add_uint16(nvlist_t *, const char *, uint16_t); +void fnvlist_add_int32(nvlist_t *, const char *, int32_t); +void fnvlist_add_uint32(nvlist_t *, const char *, uint32_t); +void fnvlist_add_int64(nvlist_t *, const char *, int64_t); +void fnvlist_add_uint64(nvlist_t *, const char *, uint64_t); +void fnvlist_add_string(nvlist_t *, const char *, const char *); +void fnvlist_add_nvlist(nvlist_t *, const char *, nvlist_t *); +void fnvlist_add_nvpair(nvlist_t *, nvpair_t *); +void fnvlist_add_boolean_array(nvlist_t *, const char *, boolean_t *, uint_t); +void fnvlist_add_byte_array(nvlist_t *, const char *, uchar_t *, uint_t); +void fnvlist_add_int8_array(nvlist_t *, const char *, int8_t *, uint_t); +void fnvlist_add_uint8_array(nvlist_t *, const char *, uint8_t *, uint_t); +void fnvlist_add_int16_array(nvlist_t *, const char *, int16_t *, uint_t); +void fnvlist_add_uint16_array(nvlist_t *, const char *, uint16_t *, uint_t); +void fnvlist_add_int32_array(nvlist_t *, const char *, int32_t *, uint_t); +void fnvlist_add_uint32_array(nvlist_t *, const char *, uint32_t *, uint_t); +void fnvlist_add_int64_array(nvlist_t *, const char *, int64_t *, uint_t); +void fnvlist_add_uint64_array(nvlist_t *, const char *, uint64_t *, uint_t); +void fnvlist_add_string_array(nvlist_t *, const char *, char * const *, uint_t); +void fnvlist_add_nvlist_array(nvlist_t *, const char *, nvlist_t **, uint_t); + +void fnvlist_remove(nvlist_t *, const char *); +void fnvlist_remove_nvpair(nvlist_t *, nvpair_t *); + +nvpair_t *fnvlist_lookup_nvpair(nvlist_t *nvl, const char *name); +boolean_t fnvlist_lookup_boolean(nvlist_t *nvl, const char *name); +boolean_t fnvlist_lookup_boolean_value(nvlist_t *nvl, const char *name); +uchar_t fnvlist_lookup_byte(nvlist_t *nvl, const char *name); +int8_t fnvlist_lookup_int8(nvlist_t *nvl, const char *name); +int16_t fnvlist_lookup_int16(nvlist_t *nvl, const char *name); +int32_t fnvlist_lookup_int32(nvlist_t *nvl, const char *name); +int64_t fnvlist_lookup_int64(nvlist_t *nvl, const char *name); +uint8_t fnvlist_lookup_uint8(nvlist_t *nvl, const char *name); +uint16_t fnvlist_lookup_uint16(nvlist_t *nvl, const char *name); +uint32_t fnvlist_lookup_uint32(nvlist_t *nvl, const char *name); +uint64_t fnvlist_lookup_uint64(nvlist_t *nvl, const char *name); +char *fnvlist_lookup_string(nvlist_t *nvl, const char *name); +nvlist_t *fnvlist_lookup_nvlist(nvlist_t *nvl, const char *name); + +boolean_t fnvpair_value_boolean_value(nvpair_t *nvp); +uchar_t fnvpair_value_byte(nvpair_t *nvp); +int8_t fnvpair_value_int8(nvpair_t *nvp); +int16_t fnvpair_value_int16(nvpair_t *nvp); +int32_t fnvpair_value_int32(nvpair_t *nvp); +int64_t fnvpair_value_int64(nvpair_t *nvp); +uint8_t fnvpair_value_uint8(nvpair_t *nvp); +uint16_t fnvpair_value_uint16(nvpair_t *nvp); +uint32_t fnvpair_value_uint32(nvpair_t *nvp); +uint64_t fnvpair_value_uint64(nvpair_t *nvp); +char *fnvpair_value_string(nvpair_t *nvp); +nvlist_t *fnvpair_value_nvlist(nvpair_t *nvp); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_NVPAIR_H */ diff --git a/zfs/include/sys/nvpair_impl.h b/zfs/include/sys/nvpair_impl.h new file mode 100644 index 000000000000..b851ddd54fe6 --- /dev/null +++ b/zfs/include/sys/nvpair_impl.h @@ -0,0 +1,73 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _NVPAIR_IMPL_H +#define _NVPAIR_IMPL_H + + + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* + * The structures here provided for information and debugging purposes only + * may be changed in the future. + */ + +/* + * implementation linked list for pre-packed data + */ +typedef struct i_nvp i_nvp_t; + +struct i_nvp { + union { + uint64_t _nvi_align; /* ensure alignment */ + struct { + i_nvp_t *_nvi_next; /* pointer to next nvpair */ + i_nvp_t *_nvi_prev; /* pointer to prev nvpair */ + } _nvi; + } _nvi_un; + nvpair_t nvi_nvp; /* nvpair */ +}; +#define nvi_next _nvi_un._nvi._nvi_next +#define nvi_prev _nvi_un._nvi._nvi_prev + +typedef struct { + i_nvp_t *nvp_list; /* linked list of nvpairs */ + i_nvp_t *nvp_last; /* last nvpair */ + i_nvp_t *nvp_curr; /* current walker nvpair */ + nv_alloc_t *nvp_nva; /* pluggable allocator */ + uint32_t nvp_stat; /* internal state */ +} nvpriv_t; + +#ifdef __cplusplus +} +#endif + +#endif /* _NVPAIR_IMPL_H */ diff --git a/zfs/include/sys/range_tree.h b/zfs/include/sys/range_tree.h new file mode 100644 index 000000000000..9f3ead537165 --- /dev/null +++ b/zfs/include/sys/range_tree.h @@ -0,0 +1,97 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_RANGE_TREE_H +#define _SYS_RANGE_TREE_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define RANGE_TREE_HISTOGRAM_SIZE 64 + +typedef struct range_tree_ops range_tree_ops_t; + +typedef struct range_tree { + avl_tree_t rt_root; /* offset-ordered segment AVL tree */ + uint64_t rt_space; /* sum of all segments in the map */ + range_tree_ops_t *rt_ops; + void *rt_arg; + + /* + * The rt_histogram maintains a histogram of ranges. Each bucket, + * rt_histogram[i], contains the number of ranges whose size is: + * 2^i <= size of range in bytes < 2^(i+1) + */ + uint64_t rt_histogram[RANGE_TREE_HISTOGRAM_SIZE]; + kmutex_t *rt_lock; /* pointer to lock that protects map */ +} range_tree_t; + +typedef struct range_seg { + avl_node_t rs_node; /* AVL node */ + avl_node_t rs_pp_node; /* AVL picker-private node */ + uint64_t rs_start; /* starting offset of this segment */ + uint64_t rs_end; /* ending offset (non-inclusive) */ +} range_seg_t; + +struct range_tree_ops { + void (*rtop_create)(range_tree_t *rt, void *arg); + void (*rtop_destroy)(range_tree_t *rt, void *arg); + void (*rtop_add)(range_tree_t *rt, range_seg_t *rs, void *arg); + void (*rtop_remove)(range_tree_t *rt, range_seg_t *rs, void *arg); + void (*rtop_vacate)(range_tree_t *rt, void *arg); +}; + +typedef void range_tree_func_t(void *arg, uint64_t start, uint64_t size); + +void range_tree_init(void); +void range_tree_fini(void); +range_tree_t *range_tree_create(range_tree_ops_t *ops, void *arg, kmutex_t *lp); +void range_tree_destroy(range_tree_t *rt); +boolean_t range_tree_contains(range_tree_t *rt, uint64_t start, uint64_t size); +uint64_t range_tree_space(range_tree_t *rt); +void range_tree_verify(range_tree_t *rt, uint64_t start, uint64_t size); +void range_tree_swap(range_tree_t **rtsrc, range_tree_t **rtdst); +void range_tree_stat_verify(range_tree_t *rt); + +void range_tree_add(void *arg, uint64_t start, uint64_t size); +void range_tree_remove(void *arg, uint64_t start, uint64_t size); +void range_tree_clear(range_tree_t *rt, uint64_t start, uint64_t size); + +void range_tree_vacate(range_tree_t *rt, range_tree_func_t *func, void *arg); +void range_tree_walk(range_tree_t *rt, range_tree_func_t *func, void *arg); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_RANGE_TREE_H */ diff --git a/zfs/include/sys/refcount.h b/zfs/include/sys/refcount.h new file mode 100644 index 000000000000..e767a2389dab --- /dev/null +++ b/zfs/include/sys/refcount.h @@ -0,0 +1,110 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_REFCOUNT_H +#define _SYS_REFCOUNT_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * If the reference is held only by the calling function and not any + * particular object, use FTAG (which is a string) for the holder_tag. + * Otherwise, use the object that holds the reference. + */ +#define FTAG ((char *)__func__) + +#ifdef ZFS_DEBUG +typedef struct reference { + list_node_t ref_link; + void *ref_holder; + uint64_t ref_number; + uint8_t *ref_removed; +} reference_t; + +typedef struct refcount { + kmutex_t rc_mtx; + boolean_t rc_tracked; + list_t rc_list; + list_t rc_removed; + int64_t rc_count; + int64_t rc_removed_count; +} refcount_t; + +/* Note: refcount_t must be initialized with refcount_create[_untracked]() */ + +void refcount_create(refcount_t *rc); +void refcount_create_untracked(refcount_t *rc); +void refcount_destroy(refcount_t *rc); +void refcount_destroy_many(refcount_t *rc, uint64_t number); +int refcount_is_zero(refcount_t *rc); +int64_t refcount_count(refcount_t *rc); +int64_t refcount_add(refcount_t *rc, void *holder_tag); +int64_t refcount_remove(refcount_t *rc, void *holder_tag); +int64_t refcount_add_many(refcount_t *rc, uint64_t number, void *holder_tag); +int64_t refcount_remove_many(refcount_t *rc, uint64_t number, void *holder_tag); +void refcount_transfer(refcount_t *dst, refcount_t *src); + +void refcount_init(void); +void refcount_fini(void); + +#else /* ZFS_DEBUG */ + +typedef struct refcount { + uint64_t rc_count; +} refcount_t; + +#define refcount_create(rc) ((rc)->rc_count = 0) +#define refcount_create_untracked(rc) ((rc)->rc_count = 0) +#define refcount_destroy(rc) ((rc)->rc_count = 0) +#define refcount_destroy_many(rc, number) ((rc)->rc_count = 0) +#define refcount_is_zero(rc) ((rc)->rc_count == 0) +#define refcount_count(rc) ((rc)->rc_count) +#define refcount_add(rc, holder) atomic_add_64_nv(&(rc)->rc_count, 1) +#define refcount_remove(rc, holder) atomic_add_64_nv(&(rc)->rc_count, -1) +#define refcount_add_many(rc, number, holder) \ + atomic_add_64_nv(&(rc)->rc_count, number) +#define refcount_remove_many(rc, number, holder) \ + atomic_add_64_nv(&(rc)->rc_count, -number) +#define refcount_transfer(dst, src) { \ + uint64_t __tmp = (src)->rc_count; \ + atomic_add_64(&(src)->rc_count, -__tmp); \ + atomic_add_64(&(dst)->rc_count, __tmp); \ +} + +#define refcount_init() +#define refcount_fini() + +#endif /* ZFS_DEBUG */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_REFCOUNT_H */ diff --git a/zfs/include/sys/rrwlock.h b/zfs/include/sys/rrwlock.h new file mode 100644 index 000000000000..7a328fd68030 --- /dev/null +++ b/zfs/include/sys/rrwlock.h @@ -0,0 +1,115 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#ifndef _SYS_RR_RW_LOCK_H +#define _SYS_RR_RW_LOCK_H + + + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include + +/* + * A reader-writer lock implementation that allows re-entrant reads, but + * still gives writers priority on "new" reads. + * + * See rrwlock.c for more details about the implementation. + * + * Fields of the rrwlock_t structure: + * - rr_lock: protects modification and reading of rrwlock_t fields + * - rr_cv: cv for waking up readers or waiting writers + * - rr_writer: thread id of the current writer + * - rr_anon_rount: number of active anonymous readers + * - rr_linked_rcount: total number of non-anonymous active readers + * - rr_writer_wanted: a writer wants the lock + */ +typedef struct rrwlock { + kmutex_t rr_lock; + kcondvar_t rr_cv; + kthread_t *rr_writer; + refcount_t rr_anon_rcount; + refcount_t rr_linked_rcount; + boolean_t rr_writer_wanted; + boolean_t rr_track_all; +} rrwlock_t; + +/* + * 'tag' is used in reference counting tracking. The + * 'tag' must be the same in a rrw_enter() as in its + * corresponding rrw_exit(). + */ +void rrw_init(rrwlock_t *rrl, boolean_t track_all); +void rrw_destroy(rrwlock_t *rrl); +void rrw_enter(rrwlock_t *rrl, krw_t rw, void *tag); +void rrw_enter_read(rrwlock_t *rrl, void *tag); +void rrw_enter_read_prio(rrwlock_t *rrl, void *tag); +void rrw_enter_write(rrwlock_t *rrl); +void rrw_exit(rrwlock_t *rrl, void *tag); +boolean_t rrw_held(rrwlock_t *rrl, krw_t rw); +void rrw_tsd_destroy(void *arg); + +#define RRW_READ_HELD(x) rrw_held(x, RW_READER) +#define RRW_WRITE_HELD(x) rrw_held(x, RW_WRITER) +#define RRW_LOCK_HELD(x) \ + (rrw_held(x, RW_WRITER) || rrw_held(x, RW_READER)) + +/* + * A reader-mostly lock implementation, tuning above reader-writer locks + * for hightly parallel read acquisitions, pessimizing write acquisitions. + * + * This should be a prime number. See comment in rrwlock.c near + * RRM_TD_LOCK() for details. + */ +#define RRM_NUM_LOCKS 17 +typedef struct rrmlock { + rrwlock_t locks[RRM_NUM_LOCKS]; +} rrmlock_t; + +void rrm_init(rrmlock_t *rrl, boolean_t track_all); +void rrm_destroy(rrmlock_t *rrl); +void rrm_enter(rrmlock_t *rrl, krw_t rw, void *tag); +void rrm_enter_read(rrmlock_t *rrl, void *tag); +void rrm_enter_write(rrmlock_t *rrl); +void rrm_exit(rrmlock_t *rrl, void *tag); +boolean_t rrm_held(rrmlock_t *rrl, krw_t rw); + +#define RRM_READ_HELD(x) rrm_held(x, RW_READER) +#define RRM_WRITE_HELD(x) rrm_held(x, RW_WRITER) +#define RRM_LOCK_HELD(x) \ + (rrm_held(x, RW_WRITER) || rrm_held(x, RW_READER)) + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_RR_RW_LOCK_H */ diff --git a/zfs/include/sys/sa.h b/zfs/include/sys/sa.h new file mode 100644 index 000000000000..01d24662a0e0 --- /dev/null +++ b/zfs/include/sys/sa.h @@ -0,0 +1,175 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_SA_H +#define _SYS_SA_H + +#include + +/* + * Currently available byteswap functions. + * If it all possible new attributes should used + * one of the already defined byteswap functions. + * If a new byteswap function is added then the + * ZPL/Pool version will need to be bumped. + */ + +typedef enum sa_bswap_type { + SA_UINT64_ARRAY, + SA_UINT32_ARRAY, + SA_UINT16_ARRAY, + SA_UINT8_ARRAY, + SA_ACL, +} sa_bswap_type_t; + +typedef uint16_t sa_attr_type_t; + +/* + * Attribute to register support for. + */ +typedef struct sa_attr_reg { + char *sa_name; /* attribute name */ + uint16_t sa_length; + sa_bswap_type_t sa_byteswap; /* bswap functon enum */ + sa_attr_type_t sa_attr; /* filled in during registration */ +} sa_attr_reg_t; + + +typedef void (sa_data_locator_t)(void **, uint32_t *, uint32_t, + boolean_t, void *userptr); + +/* + * array of attributes to store. + * + * This array should be treated as opaque/private data. + * The SA_BULK_ADD_ATTR() macro should be used for manipulating + * the array. + * + * When sa_replace_all_by_template() is used the attributes + * will be stored in the order defined in the array, except that + * the attributes may be split between the bonus and the spill buffer + * + */ +typedef struct sa_bulk_attr { + void *sa_data; + sa_data_locator_t *sa_data_func; + uint16_t sa_length; + sa_attr_type_t sa_attr; + /* the following are private to the sa framework */ + void *sa_addr; + uint16_t sa_buftype; + uint16_t sa_size; +} sa_bulk_attr_t; + +/* + * The on-disk format of sa_hdr_phys_t limits SA lengths to 16-bit values. + */ +#define SA_ATTR_MAX_LEN UINT16_MAX + +/* + * special macro for adding entries for bulk attr support + * bulk - sa_bulk_attr_t + * count - integer that will be incremented during each add + * attr - attribute to manipulate + * func - function for accessing data. + * data - pointer to data. + * len - length of data + */ + +#define SA_ADD_BULK_ATTR(b, idx, attr, func, data, len) \ +{ \ + ASSERT3U(len, <=, SA_ATTR_MAX_LEN); \ + b[idx].sa_attr = attr;\ + b[idx].sa_data_func = func; \ + b[idx].sa_data = data; \ + b[idx++].sa_length = len; \ +} + +typedef struct sa_os sa_os_t; + +typedef enum sa_handle_type { + SA_HDL_SHARED, + SA_HDL_PRIVATE +} sa_handle_type_t; + +struct sa_handle; +typedef void *sa_lookup_tab_t; +typedef struct sa_handle sa_handle_t; + +typedef void (sa_update_cb_t)(sa_handle_t *, dmu_tx_t *tx); + +int sa_handle_get(objset_t *, uint64_t, void *userp, + sa_handle_type_t, sa_handle_t **); +int sa_handle_get_from_db(objset_t *, dmu_buf_t *, void *userp, + sa_handle_type_t, sa_handle_t **); +void sa_handle_destroy(sa_handle_t *); +int sa_buf_hold(objset_t *, uint64_t, void *, dmu_buf_t **); +void sa_buf_rele(dmu_buf_t *, void *); +int sa_lookup(sa_handle_t *, sa_attr_type_t, void *buf, uint32_t buflen); +int sa_update(sa_handle_t *, sa_attr_type_t, void *buf, + uint32_t buflen, dmu_tx_t *); +int sa_remove(sa_handle_t *, sa_attr_type_t, dmu_tx_t *); +int sa_bulk_lookup(sa_handle_t *, sa_bulk_attr_t *, int count); +int sa_bulk_lookup_locked(sa_handle_t *, sa_bulk_attr_t *, int count); +int sa_bulk_update(sa_handle_t *, sa_bulk_attr_t *, int count, dmu_tx_t *); +int sa_size(sa_handle_t *, sa_attr_type_t, int *); +int sa_update_from_cb(sa_handle_t *, sa_attr_type_t, + uint32_t buflen, sa_data_locator_t *, void *userdata, dmu_tx_t *); +void sa_object_info(sa_handle_t *, dmu_object_info_t *); +void sa_object_size(sa_handle_t *, uint32_t *, u_longlong_t *); +void *sa_get_userdata(sa_handle_t *); +void sa_set_userp(sa_handle_t *, void *); +dmu_buf_t *sa_get_db(sa_handle_t *); +uint64_t sa_handle_object(sa_handle_t *); +boolean_t sa_attr_would_spill(sa_handle_t *, sa_attr_type_t, int size); +void sa_spill_rele(sa_handle_t *); +void sa_register_update_callback(objset_t *, sa_update_cb_t *); +int sa_setup(objset_t *, uint64_t, sa_attr_reg_t *, int, sa_attr_type_t **); +void sa_tear_down(objset_t *); +int sa_replace_all_by_template(sa_handle_t *, sa_bulk_attr_t *, + int, dmu_tx_t *); +int sa_replace_all_by_template_locked(sa_handle_t *, sa_bulk_attr_t *, + int, dmu_tx_t *); +boolean_t sa_enabled(objset_t *); +void sa_cache_init(void); +void sa_cache_fini(void); +int sa_set_sa_object(objset_t *, uint64_t); +int sa_hdrsize(void *); +void sa_handle_lock(sa_handle_t *); +void sa_handle_unlock(sa_handle_t *); + +#ifdef _KERNEL +int sa_lookup_uio(sa_handle_t *, sa_attr_type_t, uio_t *); +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SA_H */ diff --git a/zfs/include/sys/sa_impl.h b/zfs/include/sys/sa_impl.h new file mode 100644 index 000000000000..6f2f1db6dcf9 --- /dev/null +++ b/zfs/include/sys/sa_impl.h @@ -0,0 +1,289 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_SA_IMPL_H +#define _SYS_SA_IMPL_H + +#include +#include +#include + +/* + * Array of known attributes and their + * various characteristics. + */ +typedef struct sa_attr_table { + sa_attr_type_t sa_attr; + uint8_t sa_registered; + uint16_t sa_length; + sa_bswap_type_t sa_byteswap; + char *sa_name; +} sa_attr_table_t; + +/* + * Zap attribute format for attribute registration + * + * 64 56 48 40 32 24 16 8 0 + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * | unused | len | bswap | attr num | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * + * Zap attribute format for layout information. + * + * layout information is stored as an array of attribute numbers + * The name of the attribute is the layout number (0, 1, 2, ...) + * + * 16 0 + * +---- ---+ + * | attr # | + * +--------+ + * | attr # | + * +--- ----+ + * ...... + * + */ + +#define ATTR_BSWAP(x) BF32_GET(x, 16, 8) +#define ATTR_LENGTH(x) BF32_GET(x, 24, 16) +#define ATTR_NUM(x) BF32_GET(x, 0, 16) +#define ATTR_ENCODE(x, attr, length, bswap) \ +{ \ + BF64_SET(x, 24, 16, length); \ + BF64_SET(x, 16, 8, bswap); \ + BF64_SET(x, 0, 16, attr); \ +} + +#define TOC_OFF(x) BF32_GET(x, 0, 23) +#define TOC_ATTR_PRESENT(x) BF32_GET(x, 31, 1) +#define TOC_LEN_IDX(x) BF32_GET(x, 24, 4) +#define TOC_ATTR_ENCODE(x, len_idx, offset) \ +{ \ + BF32_SET(x, 31, 1, 1); \ + BF32_SET(x, 24, 7, len_idx); \ + BF32_SET(x, 0, 24, offset); \ +} + +#define SA_LAYOUTS "LAYOUTS" +#define SA_REGISTRY "REGISTRY" + +/* + * Each unique layout will have their own table + * sa_lot (layout_table) + */ +typedef struct sa_lot { + avl_node_t lot_num_node; + avl_node_t lot_hash_node; + uint64_t lot_num; + uint64_t lot_hash; + sa_attr_type_t *lot_attrs; /* array of attr #'s */ + uint32_t lot_var_sizes; /* how many aren't fixed size */ + uint32_t lot_attr_count; /* total attr count */ + list_t lot_idx_tab; /* should be only a couple of entries */ + int lot_instance; /* used with lot_hash to identify entry */ +} sa_lot_t; + +/* index table of offsets */ +typedef struct sa_idx_tab { + list_node_t sa_next; + sa_lot_t *sa_layout; + uint16_t *sa_variable_lengths; + refcount_t sa_refcount; + uint32_t *sa_idx_tab; /* array of offsets */ +} sa_idx_tab_t; + +/* + * Since the offset/index information into the actual data + * will usually be identical we can share that information with + * all handles that have the exact same offsets. + * + * You would typically only have a large number of different table of + * contents if you had a several variable sized attributes. + * + * Two AVL trees are used to track the attribute layout numbers. + * one is keyed by number and will be consulted when a DMU_OT_SA + * object is first read. The second tree is keyed by the hash signature + * of the attributes and will be consulted when an attribute is added + * to determine if we already have an instance of that layout. Both + * of these tree's are interconnected. The only difference is that + * when an entry is found in the "hash" tree the list of attributes will + * need to be compared against the list of attributes you have in hand. + * The assumption is that typically attributes will just be updated and + * adding a completely new attribute is a very rare operation. + */ +struct sa_os { + kmutex_t sa_lock; + boolean_t sa_need_attr_registration; + boolean_t sa_force_spill; + uint64_t sa_master_obj; + uint64_t sa_reg_attr_obj; + uint64_t sa_layout_attr_obj; + int sa_num_attrs; + sa_attr_table_t *sa_attr_table; /* private attr table */ + sa_update_cb_t *sa_update_cb; + avl_tree_t sa_layout_num_tree; /* keyed by layout number */ + avl_tree_t sa_layout_hash_tree; /* keyed by layout hash value */ + int sa_user_table_sz; + sa_attr_type_t *sa_user_table; /* user name->attr mapping table */ +}; + +/* + * header for all bonus and spill buffers. + * + * The header has a fixed portion with a variable number + * of "lengths" depending on the number of variable sized + * attributes which are determined by the "layout number" + */ + +#define SA_MAGIC 0x2F505A /* ZFS SA */ +typedef struct sa_hdr_phys { + uint32_t sa_magic; + /* + * Encoded with hdrsize and layout number as follows: + * 16 10 0 + * +--------+-------+ + * | hdrsz |layout | + * +--------+-------+ + * + * Bits 0-10 are the layout number + * Bits 11-16 are the size of the header. + * The hdrsize is the number * 8 + * + * For example. + * hdrsz of 1 ==> 8 byte header + * 2 ==> 16 byte header + * + */ + uint16_t sa_layout_info; + uint16_t sa_lengths[1]; /* optional sizes for variable length attrs */ + /* ... Data follows the lengths. */ +} sa_hdr_phys_t; + +#define SA_HDR_LAYOUT_NUM(hdr) BF32_GET(hdr->sa_layout_info, 0, 10) +#define SA_HDR_SIZE(hdr) BF32_GET_SB(hdr->sa_layout_info, 10, 6, 3, 0) +#define SA_HDR_LAYOUT_INFO_ENCODE(x, num, size) \ +{ \ + BF32_SET_SB(x, 10, 6, 3, 0, size); \ + BF32_SET(x, 0, 10, num); \ +} + +typedef enum sa_buf_type { + SA_BONUS = 1, + SA_SPILL = 2 +} sa_buf_type_t; + +typedef enum sa_data_op { + SA_LOOKUP, + SA_UPDATE, + SA_ADD, + SA_REPLACE, + SA_REMOVE +} sa_data_op_t; + +/* + * Opaque handle used for most sa functions + * + * This needs to be kept as small as possible. + */ + +struct sa_handle { + dmu_buf_user_t sa_dbu; + kmutex_t sa_lock; + dmu_buf_t *sa_bonus; + dmu_buf_t *sa_spill; + objset_t *sa_os; + void *sa_userp; + sa_idx_tab_t *sa_bonus_tab; /* idx of bonus */ + sa_idx_tab_t *sa_spill_tab; /* only present if spill activated */ +}; + +#define SA_GET_DB(hdl, type) \ + (dmu_buf_impl_t *)((type == SA_BONUS) ? hdl->sa_bonus : hdl->sa_spill) + +#define SA_GET_HDR(hdl, type) \ + ((sa_hdr_phys_t *)((dmu_buf_impl_t *)(SA_GET_DB(hdl, \ + type))->db.db_data)) + +#define SA_IDX_TAB_GET(hdl, type) \ + (type == SA_BONUS ? hdl->sa_bonus_tab : hdl->sa_spill_tab) + +#define IS_SA_BONUSTYPE(a) \ + ((a == DMU_OT_SA) ? B_TRUE : B_FALSE) + +#define SA_BONUSTYPE_FROM_DB(db) \ + (dmu_get_bonustype((dmu_buf_t *)db)) + +#define SA_BLKPTR_SPACE (DN_MAX_BONUSLEN - sizeof (blkptr_t)) + +#define SA_LAYOUT_NUM(x, type) \ + ((!IS_SA_BONUSTYPE(type) ? 0 : (((IS_SA_BONUSTYPE(type)) && \ + ((SA_HDR_LAYOUT_NUM(x)) == 0)) ? 1 : SA_HDR_LAYOUT_NUM(x)))) + + +#define SA_REGISTERED_LEN(sa, attr) sa->sa_attr_table[attr].sa_length + +#define SA_ATTR_LEN(sa, idx, attr, hdr) ((SA_REGISTERED_LEN(sa, attr) == 0) ?\ + hdr->sa_lengths[TOC_LEN_IDX(idx->sa_idx_tab[attr])] : \ + SA_REGISTERED_LEN(sa, attr)) + +#define SA_SET_HDR(hdr, num, size) \ + { \ + hdr->sa_magic = SA_MAGIC; \ + SA_HDR_LAYOUT_INFO_ENCODE(hdr->sa_layout_info, num, size); \ + } + +#define SA_ATTR_INFO(sa, idx, hdr, attr, bulk, type, hdl) \ + { \ + bulk.sa_size = SA_ATTR_LEN(sa, idx, attr, hdr); \ + bulk.sa_buftype = type; \ + bulk.sa_addr = \ + (void *)((uintptr_t)TOC_OFF(idx->sa_idx_tab[attr]) + \ + (uintptr_t)hdr); \ +} + +#define SA_HDR_SIZE_MATCH_LAYOUT(hdr, tb) \ + (SA_HDR_SIZE(hdr) == (sizeof (sa_hdr_phys_t) + \ + (tb->lot_var_sizes > 1 ? P2ROUNDUP((tb->lot_var_sizes - 1) * \ + sizeof (uint16_t), 8) : 0))) + +int sa_add_impl(sa_handle_t *, sa_attr_type_t, + uint32_t, sa_data_locator_t, void *, dmu_tx_t *); + +void sa_register_update_callback_locked(objset_t *, sa_update_cb_t *); +int sa_size_locked(sa_handle_t *, sa_attr_type_t, int *); + +void sa_default_locator(void **, uint32_t *, uint32_t, boolean_t, void *); +int sa_attr_size(sa_os_t *, sa_idx_tab_t *, sa_attr_type_t, + uint16_t *, sa_hdr_phys_t *); + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SA_IMPL_H */ diff --git a/zfs/include/sys/sdt.h b/zfs/include/sys/sdt.h new file mode 100644 index 000000000000..56efa1b3998b --- /dev/null +++ b/zfs/include/sys/sdt.h @@ -0,0 +1,70 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_SDT_H +#define _SYS_SDT_H + +#ifndef _KERNEL + +#define ZFS_PROBE(a) ((void) 0) +#define ZFS_PROBE1(a, c) ((void) 0) +#define ZFS_PROBE2(a, c, e) ((void) 0) +#define ZFS_PROBE3(a, c, e, g) ((void) 0) +#define ZFS_PROBE4(a, c, e, g, i) ((void) 0) +#define ZFS_SET_ERROR(err) ((void) 0) + +#else + +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#include + +/* + * The set-error SDT probe is extra static, in that we declare its fake + * function literally, rather than with the DTRACE_PROBE1() macro. This is + * necessary so that SET_ERROR() can evaluate to a value, which wouldn't + * be possible if it required multiple statements (to declare the function + * and then call it). + * + * SET_ERROR() uses the comma operator so that it can be used without much + * additional code. For example, "return (EINVAL);" becomes + * "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated + * twice, so it should not have side effects (e.g. something like: + * "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice). + */ +#define SET_ERROR(err) \ + (trace_zfs_set__error(__FILE__, __func__, __LINE__, err), err) + +#else + +#undef SET_ERROR +#define SET_ERROR(err) (err) + +#endif /* HAVE_DECLARE_EVENT_CLASS */ + +#endif /* _KERNEL */ + +#endif /* _SYS_SDT_H */ diff --git a/zfs/include/sys/spa.h b/zfs/include/sys/spa.h new file mode 100644 index 000000000000..bfd2e7902ea3 --- /dev/null +++ b/zfs/include/sys/spa.h @@ -0,0 +1,926 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_SPA_H +#define _SYS_SPA_H + +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Forward references that lots of things need. + */ +typedef struct spa spa_t; +typedef struct vdev vdev_t; +typedef struct metaslab metaslab_t; +typedef struct metaslab_group metaslab_group_t; +typedef struct metaslab_class metaslab_class_t; +typedef struct zio zio_t; +typedef struct zilog zilog_t; +typedef struct spa_aux_vdev spa_aux_vdev_t; +typedef struct ddt ddt_t; +typedef struct ddt_entry ddt_entry_t; +typedef struct zbookmark_phys zbookmark_phys_t; + +struct dsl_pool; +struct dsl_dataset; + +/* + * General-purpose 32-bit and 64-bit bitfield encodings. + */ +#define BF32_DECODE(x, low, len) P2PHASE((x) >> (low), 1U << (len)) +#define BF64_DECODE(x, low, len) P2PHASE((x) >> (low), 1ULL << (len)) +#define BF32_ENCODE(x, low, len) (P2PHASE((x), 1U << (len)) << (low)) +#define BF64_ENCODE(x, low, len) (P2PHASE((x), 1ULL << (len)) << (low)) + +#define BF32_GET(x, low, len) BF32_DECODE(x, low, len) +#define BF64_GET(x, low, len) BF64_DECODE(x, low, len) + +#define BF32_SET(x, low, len, val) do { \ + ASSERT3U(val, <, 1U << (len)); \ + ASSERT3U(low + len, <=, 32); \ + (x) ^= BF32_ENCODE((x >> low) ^ (val), low, len); \ +_NOTE(CONSTCOND) } while (0) + +#define BF64_SET(x, low, len, val) do { \ + ASSERT3U(val, <, 1ULL << (len)); \ + ASSERT3U(low + len, <=, 64); \ + ((x) ^= BF64_ENCODE((x >> low) ^ (val), low, len)); \ +_NOTE(CONSTCOND) } while (0) + +#define BF32_GET_SB(x, low, len, shift, bias) \ + ((BF32_GET(x, low, len) + (bias)) << (shift)) +#define BF64_GET_SB(x, low, len, shift, bias) \ + ((BF64_GET(x, low, len) + (bias)) << (shift)) + +#define BF32_SET_SB(x, low, len, shift, bias, val) do { \ + ASSERT(IS_P2ALIGNED(val, 1U << shift)); \ + ASSERT3S((val) >> (shift), >=, bias); \ + BF32_SET(x, low, len, ((val) >> (shift)) - (bias)); \ +_NOTE(CONSTCOND) } while (0) +#define BF64_SET_SB(x, low, len, shift, bias, val) do { \ + ASSERT(IS_P2ALIGNED(val, 1ULL << shift)); \ + ASSERT3S((val) >> (shift), >=, bias); \ + BF64_SET(x, low, len, ((val) >> (shift)) - (bias)); \ +_NOTE(CONSTCOND) } while (0) + +/* + * We currently support block sizes from 512 bytes to 16MB. + * The benefits of larger blocks, and thus larger IO, need to be weighed + * against the cost of COWing a giant block to modify one byte, and the + * large latency of reading or writing a large block. + * + * Note that although blocks up to 16MB are supported, the recordsize + * property can not be set larger than zfs_max_recordsize (default 1MB). + * See the comment near zfs_max_recordsize in dsl_dataset.c for details. + * + * Note that although the LSIZE field of the blkptr_t can store sizes up + * to 32MB, the dnode's dn_datablkszsec can only store sizes up to + * 32MB - 512 bytes. Therefore, we limit SPA_MAXBLOCKSIZE to 16MB. + */ +#define SPA_MINBLOCKSHIFT 9 +#define SPA_OLD_MAXBLOCKSHIFT 17 +#define SPA_MAXBLOCKSHIFT 24 +#define SPA_MINBLOCKSIZE (1ULL << SPA_MINBLOCKSHIFT) +#define SPA_OLD_MAXBLOCKSIZE (1ULL << SPA_OLD_MAXBLOCKSHIFT) +#define SPA_MAXBLOCKSIZE (1ULL << SPA_MAXBLOCKSHIFT) + +/* + * Size of block to hold the configuration data (a packed nvlist) + */ +#define SPA_CONFIG_BLOCKSIZE (1ULL << 14) + +/* + * The DVA size encodings for LSIZE and PSIZE support blocks up to 32MB. + * The ASIZE encoding should be at least 64 times larger (6 more bits) + * to support up to 4-way RAID-Z mirror mode with worst-case gang block + * overhead, three DVAs per bp, plus one more bit in case we do anything + * else that expands the ASIZE. + */ +#define SPA_LSIZEBITS 16 /* LSIZE up to 32M (2^16 * 512) */ +#define SPA_PSIZEBITS 16 /* PSIZE up to 32M (2^16 * 512) */ +#define SPA_ASIZEBITS 24 /* ASIZE up to 64 times larger */ + +/* + * All SPA data is represented by 128-bit data virtual addresses (DVAs). + * The members of the dva_t should be considered opaque outside the SPA. + */ +typedef struct dva { + uint64_t dva_word[2]; +} dva_t; + +/* + * Each block has a 256-bit checksum -- strong enough for cryptographic hashes. + */ +typedef struct zio_cksum { + uint64_t zc_word[4]; +} zio_cksum_t; + +/* + * Each block is described by its DVAs, time of birth, checksum, etc. + * The word-by-word, bit-by-bit layout of the blkptr is as follows: + * + * 64 56 48 40 32 24 16 8 0 + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 0 | vdev1 | GRID | ASIZE | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 1 |G| offset1 | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 2 | vdev2 | GRID | ASIZE | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 3 |G| offset2 | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 4 | vdev3 | GRID | ASIZE | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 5 |G| offset3 | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 6 |BDX|lvl| type | cksum |E| comp| PSIZE | LSIZE | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 7 | padding | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 8 | padding | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 9 | physical birth txg | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * a | logical birth txg | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * b | fill count | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * c | checksum[0] | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * d | checksum[1] | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * e | checksum[2] | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * f | checksum[3] | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * + * Legend: + * + * vdev virtual device ID + * offset offset into virtual device + * LSIZE logical size + * PSIZE physical size (after compression) + * ASIZE allocated size (including RAID-Z parity and gang block headers) + * GRID RAID-Z layout information (reserved for future use) + * cksum checksum function + * comp compression function + * G gang block indicator + * B byteorder (endianness) + * D dedup + * X encryption (on version 30, which is not supported) + * E blkptr_t contains embedded data (see below) + * lvl level of indirection + * type DMU object type + * phys birth txg of block allocation; zero if same as logical birth txg + * log. birth transaction group in which the block was logically born + * fill count number of non-zero blocks under this bp + * checksum[4] 256-bit checksum of the data this bp describes + */ + +/* + * "Embedded" blkptr_t's don't actually point to a block, instead they + * have a data payload embedded in the blkptr_t itself. See the comment + * in blkptr.c for more details. + * + * The blkptr_t is laid out as follows: + * + * 64 56 48 40 32 24 16 8 0 + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 0 | payload | + * 1 | payload | + * 2 | payload | + * 3 | payload | + * 4 | payload | + * 5 | payload | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 6 |BDX|lvl| type | etype |E| comp| PSIZE| LSIZE | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * 7 | payload | + * 8 | payload | + * 9 | payload | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * a | logical birth txg | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * b | payload | + * c | payload | + * d | payload | + * e | payload | + * f | payload | + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * + * Legend: + * + * payload contains the embedded data + * B (byteorder) byteorder (endianness) + * D (dedup) padding (set to zero) + * X encryption (set to zero; see above) + * E (embedded) set to one + * lvl indirection level + * type DMU object type + * etype how to interpret embedded data (BP_EMBEDDED_TYPE_*) + * comp compression function of payload + * PSIZE size of payload after compression, in bytes + * LSIZE logical size of payload, in bytes + * note that 25 bits is enough to store the largest + * "normal" BP's LSIZE (2^16 * 2^9) in bytes + * log. birth transaction group in which the block was logically born + * + * Note that LSIZE and PSIZE are stored in bytes, whereas for non-embedded + * bp's they are stored in units of SPA_MINBLOCKSHIFT. + * Generally, the generic BP_GET_*() macros can be used on embedded BP's. + * The B, D, X, lvl, type, and comp fields are stored the same as with normal + * BP's so the BP_SET_* macros can be used with them. etype, PSIZE, LSIZE must + * be set with the BPE_SET_* macros. BP_SET_EMBEDDED() should be called before + * other macros, as they assert that they are only used on BP's of the correct + * "embedded-ness". + */ + +#define BPE_GET_ETYPE(bp) \ + (ASSERT(BP_IS_EMBEDDED(bp)), \ + BF64_GET((bp)->blk_prop, 40, 8)) +#define BPE_SET_ETYPE(bp, t) do { \ + ASSERT(BP_IS_EMBEDDED(bp)); \ + BF64_SET((bp)->blk_prop, 40, 8, t); \ +_NOTE(CONSTCOND) } while (0) + +#define BPE_GET_LSIZE(bp) \ + (ASSERT(BP_IS_EMBEDDED(bp)), \ + BF64_GET_SB((bp)->blk_prop, 0, 25, 0, 1)) +#define BPE_SET_LSIZE(bp, x) do { \ + ASSERT(BP_IS_EMBEDDED(bp)); \ + BF64_SET_SB((bp)->blk_prop, 0, 25, 0, 1, x); \ +_NOTE(CONSTCOND) } while (0) + +#define BPE_GET_PSIZE(bp) \ + (ASSERT(BP_IS_EMBEDDED(bp)), \ + BF64_GET_SB((bp)->blk_prop, 25, 7, 0, 1)) +#define BPE_SET_PSIZE(bp, x) do { \ + ASSERT(BP_IS_EMBEDDED(bp)); \ + BF64_SET_SB((bp)->blk_prop, 25, 7, 0, 1, x); \ +_NOTE(CONSTCOND) } while (0) + +typedef enum bp_embedded_type { + BP_EMBEDDED_TYPE_DATA, + BP_EMBEDDED_TYPE_RESERVED, /* Reserved for an unintegrated feature. */ + NUM_BP_EMBEDDED_TYPES = BP_EMBEDDED_TYPE_RESERVED +} bp_embedded_type_t; + +#define BPE_NUM_WORDS 14 +#define BPE_PAYLOAD_SIZE (BPE_NUM_WORDS * sizeof (uint64_t)) +#define BPE_IS_PAYLOADWORD(bp, wp) \ + ((wp) != &(bp)->blk_prop && (wp) != &(bp)->blk_birth) + +#define SPA_BLKPTRSHIFT 7 /* blkptr_t is 128 bytes */ +#define SPA_DVAS_PER_BP 3 /* Number of DVAs in a bp */ + +/* + * A block is a hole when it has either 1) never been written to, or + * 2) is zero-filled. In both cases, ZFS can return all zeroes for all reads + * without physically allocating disk space. Holes are represented in the + * blkptr_t structure by zeroed blk_dva. Correct checking for holes is + * done through the BP_IS_HOLE macro. For holes, the logical size, level, + * DMU object type, and birth times are all also stored for holes that + * were written to at some point (i.e. were punched after having been filled). + */ +typedef struct blkptr { + dva_t blk_dva[SPA_DVAS_PER_BP]; /* Data Virtual Addresses */ + uint64_t blk_prop; /* size, compression, type, etc */ + uint64_t blk_pad[2]; /* Extra space for the future */ + uint64_t blk_phys_birth; /* txg when block was allocated */ + uint64_t blk_birth; /* transaction group at birth */ + uint64_t blk_fill; /* fill count */ + zio_cksum_t blk_cksum; /* 256-bit checksum */ +} blkptr_t; + +/* + * Macros to get and set fields in a bp or DVA. + */ +#define DVA_GET_ASIZE(dva) \ + BF64_GET_SB((dva)->dva_word[0], 0, SPA_ASIZEBITS, SPA_MINBLOCKSHIFT, 0) +#define DVA_SET_ASIZE(dva, x) \ + BF64_SET_SB((dva)->dva_word[0], 0, SPA_ASIZEBITS, \ + SPA_MINBLOCKSHIFT, 0, x) + +#define DVA_GET_GRID(dva) BF64_GET((dva)->dva_word[0], 24, 8) +#define DVA_SET_GRID(dva, x) BF64_SET((dva)->dva_word[0], 24, 8, x) + +#define DVA_GET_VDEV(dva) BF64_GET((dva)->dva_word[0], 32, 32) +#define DVA_SET_VDEV(dva, x) BF64_SET((dva)->dva_word[0], 32, 32, x) + +#define DVA_GET_OFFSET(dva) \ + BF64_GET_SB((dva)->dva_word[1], 0, 63, SPA_MINBLOCKSHIFT, 0) +#define DVA_SET_OFFSET(dva, x) \ + BF64_SET_SB((dva)->dva_word[1], 0, 63, SPA_MINBLOCKSHIFT, 0, x) + +#define DVA_GET_GANG(dva) BF64_GET((dva)->dva_word[1], 63, 1) +#define DVA_SET_GANG(dva, x) BF64_SET((dva)->dva_word[1], 63, 1, x) + +#define BP_GET_LSIZE(bp) \ + (BP_IS_EMBEDDED(bp) ? \ + (BPE_GET_ETYPE(bp) == BP_EMBEDDED_TYPE_DATA ? BPE_GET_LSIZE(bp) : 0): \ + BF64_GET_SB((bp)->blk_prop, 0, SPA_LSIZEBITS, SPA_MINBLOCKSHIFT, 1)) +#define BP_SET_LSIZE(bp, x) do { \ + ASSERT(!BP_IS_EMBEDDED(bp)); \ + BF64_SET_SB((bp)->blk_prop, \ + 0, SPA_LSIZEBITS, SPA_MINBLOCKSHIFT, 1, x); \ +_NOTE(CONSTCOND) } while (0) + +#define BP_GET_PSIZE(bp) \ + (BP_IS_EMBEDDED(bp) ? 0 : \ + BF64_GET_SB((bp)->blk_prop, 16, SPA_PSIZEBITS, SPA_MINBLOCKSHIFT, 1)) +#define BP_SET_PSIZE(bp, x) do { \ + ASSERT(!BP_IS_EMBEDDED(bp)); \ + BF64_SET_SB((bp)->blk_prop, \ + 16, SPA_PSIZEBITS, SPA_MINBLOCKSHIFT, 1, x); \ +_NOTE(CONSTCOND) } while (0) + +#define BP_GET_COMPRESS(bp) BF64_GET((bp)->blk_prop, 32, 7) +#define BP_SET_COMPRESS(bp, x) BF64_SET((bp)->blk_prop, 32, 7, x) + +#define BP_IS_EMBEDDED(bp) BF64_GET((bp)->blk_prop, 39, 1) +#define BP_SET_EMBEDDED(bp, x) BF64_SET((bp)->blk_prop, 39, 1, x) + +#define BP_GET_CHECKSUM(bp) \ + (BP_IS_EMBEDDED(bp) ? ZIO_CHECKSUM_OFF : \ + BF64_GET((bp)->blk_prop, 40, 8)) +#define BP_SET_CHECKSUM(bp, x) do { \ + ASSERT(!BP_IS_EMBEDDED(bp)); \ + BF64_SET((bp)->blk_prop, 40, 8, x); \ +_NOTE(CONSTCOND) } while (0) + +#define BP_GET_TYPE(bp) BF64_GET((bp)->blk_prop, 48, 8) +#define BP_SET_TYPE(bp, x) BF64_SET((bp)->blk_prop, 48, 8, x) + +#define BP_GET_LEVEL(bp) BF64_GET((bp)->blk_prop, 56, 5) +#define BP_SET_LEVEL(bp, x) BF64_SET((bp)->blk_prop, 56, 5, x) + +#define BP_GET_DEDUP(bp) BF64_GET((bp)->blk_prop, 62, 1) +#define BP_SET_DEDUP(bp, x) BF64_SET((bp)->blk_prop, 62, 1, x) + +#define BP_GET_BYTEORDER(bp) BF64_GET((bp)->blk_prop, 63, 1) +#define BP_SET_BYTEORDER(bp, x) BF64_SET((bp)->blk_prop, 63, 1, x) + +#define BP_PHYSICAL_BIRTH(bp) \ + (BP_IS_EMBEDDED(bp) ? 0 : \ + (bp)->blk_phys_birth ? (bp)->blk_phys_birth : (bp)->blk_birth) + +#define BP_SET_BIRTH(bp, logical, physical) \ +{ \ + ASSERT(!BP_IS_EMBEDDED(bp)); \ + (bp)->blk_birth = (logical); \ + (bp)->blk_phys_birth = ((logical) == (physical) ? 0 : (physical)); \ +} + +#define BP_GET_FILL(bp) (BP_IS_EMBEDDED(bp) ? 1 : (bp)->blk_fill) + +#define BP_GET_ASIZE(bp) \ + (BP_IS_EMBEDDED(bp) ? 0 : \ + DVA_GET_ASIZE(&(bp)->blk_dva[0]) + \ + DVA_GET_ASIZE(&(bp)->blk_dva[1]) + \ + DVA_GET_ASIZE(&(bp)->blk_dva[2])) + +#define BP_GET_UCSIZE(bp) \ + ((BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) ? \ + BP_GET_PSIZE(bp) : BP_GET_LSIZE(bp)) + +#define BP_GET_NDVAS(bp) \ + (BP_IS_EMBEDDED(bp) ? 0 : \ + !!DVA_GET_ASIZE(&(bp)->blk_dva[0]) + \ + !!DVA_GET_ASIZE(&(bp)->blk_dva[1]) + \ + !!DVA_GET_ASIZE(&(bp)->blk_dva[2])) + +#define BP_COUNT_GANG(bp) \ + (BP_IS_EMBEDDED(bp) ? 0 : \ + (DVA_GET_GANG(&(bp)->blk_dva[0]) + \ + DVA_GET_GANG(&(bp)->blk_dva[1]) + \ + DVA_GET_GANG(&(bp)->blk_dva[2]))) + +#define DVA_EQUAL(dva1, dva2) \ + ((dva1)->dva_word[1] == (dva2)->dva_word[1] && \ + (dva1)->dva_word[0] == (dva2)->dva_word[0]) + +#define BP_EQUAL(bp1, bp2) \ + (BP_PHYSICAL_BIRTH(bp1) == BP_PHYSICAL_BIRTH(bp2) && \ + (bp1)->blk_birth == (bp2)->blk_birth && \ + DVA_EQUAL(&(bp1)->blk_dva[0], &(bp2)->blk_dva[0]) && \ + DVA_EQUAL(&(bp1)->blk_dva[1], &(bp2)->blk_dva[1]) && \ + DVA_EQUAL(&(bp1)->blk_dva[2], &(bp2)->blk_dva[2])) + +#define ZIO_CHECKSUM_EQUAL(zc1, zc2) \ + (0 == (((zc1).zc_word[0] - (zc2).zc_word[0]) | \ + ((zc1).zc_word[1] - (zc2).zc_word[1]) | \ + ((zc1).zc_word[2] - (zc2).zc_word[2]) | \ + ((zc1).zc_word[3] - (zc2).zc_word[3]))) + +#define ZIO_CHECKSUM_IS_ZERO(zc) \ + (0 == ((zc)->zc_word[0] | (zc)->zc_word[1] | \ + (zc)->zc_word[2] | (zc)->zc_word[3])) + +#define DVA_IS_VALID(dva) (DVA_GET_ASIZE(dva) != 0) + +#define ZIO_SET_CHECKSUM(zcp, w0, w1, w2, w3) \ +{ \ + (zcp)->zc_word[0] = w0; \ + (zcp)->zc_word[1] = w1; \ + (zcp)->zc_word[2] = w2; \ + (zcp)->zc_word[3] = w3; \ +} + +#define BP_IDENTITY(bp) (ASSERT(!BP_IS_EMBEDDED(bp)), &(bp)->blk_dva[0]) +#define BP_IS_GANG(bp) \ + (BP_IS_EMBEDDED(bp) ? B_FALSE : DVA_GET_GANG(BP_IDENTITY(bp))) +#define DVA_IS_EMPTY(dva) ((dva)->dva_word[0] == 0ULL && \ + (dva)->dva_word[1] == 0ULL) +#define BP_IS_HOLE(bp) \ + (!BP_IS_EMBEDDED(bp) && DVA_IS_EMPTY(BP_IDENTITY(bp))) + +/* BP_IS_RAIDZ(bp) assumes no block compression */ +#define BP_IS_RAIDZ(bp) (DVA_GET_ASIZE(&(bp)->blk_dva[0]) > \ + BP_GET_PSIZE(bp)) + +#define BP_ZERO(bp) \ +{ \ + (bp)->blk_dva[0].dva_word[0] = 0; \ + (bp)->blk_dva[0].dva_word[1] = 0; \ + (bp)->blk_dva[1].dva_word[0] = 0; \ + (bp)->blk_dva[1].dva_word[1] = 0; \ + (bp)->blk_dva[2].dva_word[0] = 0; \ + (bp)->blk_dva[2].dva_word[1] = 0; \ + (bp)->blk_prop = 0; \ + (bp)->blk_pad[0] = 0; \ + (bp)->blk_pad[1] = 0; \ + (bp)->blk_phys_birth = 0; \ + (bp)->blk_birth = 0; \ + (bp)->blk_fill = 0; \ + ZIO_SET_CHECKSUM(&(bp)->blk_cksum, 0, 0, 0, 0); \ +} + +#ifdef _BIG_ENDIAN +#define ZFS_HOST_BYTEORDER (0ULL) +#else +#define ZFS_HOST_BYTEORDER (1ULL) +#endif + +#define BP_SHOULD_BYTESWAP(bp) (BP_GET_BYTEORDER(bp) != ZFS_HOST_BYTEORDER) + +#define BP_SPRINTF_LEN 320 + +/* + * This macro allows code sharing between zfs, libzpool, and mdb. + * 'func' is either snprintf() or mdb_snprintf(). + * 'ws' (whitespace) can be ' ' for single-line format, '\n' for multi-line. + */ +#define SNPRINTF_BLKPTR(func, ws, buf, size, bp, type, checksum, compress) \ +{ \ + static const char *copyname[] = \ + { "zero", "single", "double", "triple" }; \ + int len = 0; \ + int copies = 0; \ + int d; \ + \ + if (bp == NULL) { \ + len += func(buf + len, size - len, ""); \ + } else if (BP_IS_HOLE(bp)) { \ + len += func(buf + len, size - len, \ + "HOLE [L%llu %s] " \ + "size=%llxL birth=%lluL", \ + (u_longlong_t)BP_GET_LEVEL(bp), \ + type, \ + (u_longlong_t)BP_GET_LSIZE(bp), \ + (u_longlong_t)bp->blk_birth); \ + } else if (BP_IS_EMBEDDED(bp)) { \ + len = func(buf + len, size - len, \ + "EMBEDDED [L%llu %s] et=%u %s " \ + "size=%llxL/%llxP birth=%lluL", \ + (u_longlong_t)BP_GET_LEVEL(bp), \ + type, \ + (int)BPE_GET_ETYPE(bp), \ + compress, \ + (u_longlong_t)BPE_GET_LSIZE(bp), \ + (u_longlong_t)BPE_GET_PSIZE(bp), \ + (u_longlong_t)bp->blk_birth); \ + } else { \ + for (d = 0; d < BP_GET_NDVAS(bp); d++) { \ + const dva_t *dva = &bp->blk_dva[d]; \ + if (DVA_IS_VALID(dva)) \ + copies++; \ + len += func(buf + len, size - len, \ + "DVA[%d]=<%llu:%llx:%llx>%c", d, \ + (u_longlong_t)DVA_GET_VDEV(dva), \ + (u_longlong_t)DVA_GET_OFFSET(dva), \ + (u_longlong_t)DVA_GET_ASIZE(dva), \ + ws); \ + } \ + if (BP_IS_GANG(bp) && \ + DVA_GET_ASIZE(&bp->blk_dva[2]) <= \ + DVA_GET_ASIZE(&bp->blk_dva[1]) / 2) \ + copies--; \ + len += func(buf + len, size - len, \ + "[L%llu %s] %s %s %s %s %s %s%c" \ + "size=%llxL/%llxP birth=%lluL/%lluP fill=%llu%c" \ + "cksum=%llx:%llx:%llx:%llx", \ + (u_longlong_t)BP_GET_LEVEL(bp), \ + type, \ + checksum, \ + compress, \ + BP_GET_BYTEORDER(bp) == 0 ? "BE" : "LE", \ + BP_IS_GANG(bp) ? "gang" : "contiguous", \ + BP_GET_DEDUP(bp) ? "dedup" : "unique", \ + copyname[copies], \ + ws, \ + (u_longlong_t)BP_GET_LSIZE(bp), \ + (u_longlong_t)BP_GET_PSIZE(bp), \ + (u_longlong_t)bp->blk_birth, \ + (u_longlong_t)BP_PHYSICAL_BIRTH(bp), \ + (u_longlong_t)BP_GET_FILL(bp), \ + ws, \ + (u_longlong_t)bp->blk_cksum.zc_word[0], \ + (u_longlong_t)bp->blk_cksum.zc_word[1], \ + (u_longlong_t)bp->blk_cksum.zc_word[2], \ + (u_longlong_t)bp->blk_cksum.zc_word[3]); \ + } \ + ASSERT(len < size); \ +} + +#include + +#define BP_GET_BUFC_TYPE(bp) \ + (((BP_GET_LEVEL(bp) > 0) || (DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))) ? \ + ARC_BUFC_METADATA : ARC_BUFC_DATA) + +typedef enum spa_import_type { + SPA_IMPORT_EXISTING, + SPA_IMPORT_ASSEMBLE +} spa_import_type_t; + +/* state manipulation functions */ +extern int spa_open(const char *pool, spa_t **, void *tag); +extern int spa_open_rewind(const char *pool, spa_t **, void *tag, + nvlist_t *policy, nvlist_t **config); +extern int spa_get_stats(const char *pool, nvlist_t **config, char *altroot, + size_t buflen); +extern int spa_create(const char *pool, nvlist_t *config, nvlist_t *props, + nvlist_t *zplprops); +extern int spa_import_rootpool(char *devpath, char *devid); +extern int spa_import(char *pool, nvlist_t *config, nvlist_t *props, + uint64_t flags); +extern nvlist_t *spa_tryimport(nvlist_t *tryconfig); +extern int spa_destroy(char *pool); +extern int spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, + boolean_t hardforce); +extern int spa_reset(char *pool); +extern void spa_async_request(spa_t *spa, int flag); +extern void spa_async_unrequest(spa_t *spa, int flag); +extern void spa_async_suspend(spa_t *spa); +extern void spa_async_resume(spa_t *spa); +extern spa_t *spa_inject_addref(char *pool); +extern void spa_inject_delref(spa_t *spa); +extern void spa_scan_stat_init(spa_t *spa); +extern int spa_scan_get_stats(spa_t *spa, pool_scan_stat_t *ps); + +#define SPA_ASYNC_CONFIG_UPDATE 0x01 +#define SPA_ASYNC_REMOVE 0x02 +#define SPA_ASYNC_PROBE 0x04 +#define SPA_ASYNC_RESILVER_DONE 0x08 +#define SPA_ASYNC_RESILVER 0x10 +#define SPA_ASYNC_AUTOEXPAND 0x20 +#define SPA_ASYNC_REMOVE_DONE 0x40 +#define SPA_ASYNC_REMOVE_STOP 0x80 + +/* + * Controls the behavior of spa_vdev_remove(). + */ +#define SPA_REMOVE_UNSPARE 0x01 +#define SPA_REMOVE_DONE 0x02 + +/* device manipulation */ +extern int spa_vdev_add(spa_t *spa, nvlist_t *nvroot); +extern int spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, + int replacing); +extern int spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, + int replace_done); +extern int spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare); +extern boolean_t spa_vdev_remove_active(spa_t *spa); +extern int spa_vdev_setpath(spa_t *spa, uint64_t guid, const char *newpath); +extern int spa_vdev_setfru(spa_t *spa, uint64_t guid, const char *newfru); +extern int spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config, + nvlist_t *props, boolean_t exp); + +/* spare state (which is global across all pools) */ +extern void spa_spare_add(vdev_t *vd); +extern void spa_spare_remove(vdev_t *vd); +extern boolean_t spa_spare_exists(uint64_t guid, uint64_t *pool, int *refcnt); +extern void spa_spare_activate(vdev_t *vd); + +/* L2ARC state (which is global across all pools) */ +extern void spa_l2cache_add(vdev_t *vd); +extern void spa_l2cache_remove(vdev_t *vd); +extern boolean_t spa_l2cache_exists(uint64_t guid, uint64_t *pool); +extern void spa_l2cache_activate(vdev_t *vd); +extern void spa_l2cache_drop(spa_t *spa); + +/* scanning */ +extern int spa_scan(spa_t *spa, pool_scan_func_t func); +extern int spa_scan_stop(spa_t *spa); + +/* spa syncing */ +extern void spa_sync(spa_t *spa, uint64_t txg); /* only for DMU use */ +extern void spa_sync_allpools(void); + +extern int zfs_sync_pass_deferred_free; + +/* spa namespace global mutex */ +extern kmutex_t spa_namespace_lock; + +/* + * SPA configuration functions in spa_config.c + */ + +#define SPA_CONFIG_UPDATE_POOL 0 +#define SPA_CONFIG_UPDATE_VDEVS 1 + +extern void spa_config_sync(spa_t *, boolean_t, boolean_t); +extern void spa_config_load(void); +extern nvlist_t *spa_all_configs(uint64_t *); +extern void spa_config_set(spa_t *spa, nvlist_t *config); +extern nvlist_t *spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, + int getstats); +extern void spa_config_update(spa_t *spa, int what); + +/* + * Miscellaneous SPA routines in spa_misc.c + */ + +/* Namespace manipulation */ +extern spa_t *spa_lookup(const char *name); +extern spa_t *spa_add(const char *name, nvlist_t *config, const char *altroot); +extern void spa_remove(spa_t *spa); +extern spa_t *spa_next(spa_t *prev); + +/* Refcount functions */ +extern void spa_open_ref(spa_t *spa, void *tag); +extern void spa_close(spa_t *spa, void *tag); +extern void spa_async_close(spa_t *spa, void *tag); +extern boolean_t spa_refcount_zero(spa_t *spa); + +#define SCL_NONE 0x00 +#define SCL_CONFIG 0x01 +#define SCL_STATE 0x02 +#define SCL_L2ARC 0x04 /* hack until L2ARC 2.0 */ +#define SCL_ALLOC 0x08 +#define SCL_ZIO 0x10 +#define SCL_FREE 0x20 +#define SCL_VDEV 0x40 +#define SCL_LOCKS 7 +#define SCL_ALL ((1 << SCL_LOCKS) - 1) +#define SCL_STATE_ALL (SCL_STATE | SCL_L2ARC | SCL_ZIO) + +/* Historical pool statistics */ +typedef struct spa_stats_history { + kmutex_t lock; + uint64_t count; + uint64_t size; + kstat_t *kstat; + void *private; + list_t list; +} spa_stats_history_t; + +typedef struct spa_stats { + spa_stats_history_t read_history; + spa_stats_history_t txg_history; + spa_stats_history_t tx_assign_histogram; + spa_stats_history_t io_history; +} spa_stats_t; + +typedef enum txg_state { + TXG_STATE_BIRTH = 0, + TXG_STATE_OPEN = 1, + TXG_STATE_QUIESCED = 2, + TXG_STATE_WAIT_FOR_SYNC = 3, + TXG_STATE_SYNCED = 4, + TXG_STATE_COMMITTED = 5, +} txg_state_t; + +extern void spa_stats_init(spa_t *spa); +extern void spa_stats_destroy(spa_t *spa); +extern void spa_read_history_add(spa_t *spa, const zbookmark_phys_t *zb, + uint32_t aflags); +extern void spa_txg_history_add(spa_t *spa, uint64_t txg, hrtime_t birth_time); +extern int spa_txg_history_set(spa_t *spa, uint64_t txg, + txg_state_t completed_state, hrtime_t completed_time); +extern int spa_txg_history_set_io(spa_t *spa, uint64_t txg, uint64_t nread, + uint64_t nwritten, uint64_t reads, uint64_t writes, uint64_t ndirty); +extern void spa_tx_assign_add_nsecs(spa_t *spa, uint64_t nsecs); + +/* Pool configuration locks */ +extern int spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw); +extern void spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw); +extern void spa_config_exit(spa_t *spa, int locks, void *tag); +extern int spa_config_held(spa_t *spa, int locks, krw_t rw); + +/* Pool vdev add/remove lock */ +extern uint64_t spa_vdev_enter(spa_t *spa); +extern uint64_t spa_vdev_config_enter(spa_t *spa); +extern void spa_vdev_config_exit(spa_t *spa, vdev_t *vd, uint64_t txg, + int error, char *tag); +extern int spa_vdev_exit(spa_t *spa, vdev_t *vd, uint64_t txg, int error); + +/* Pool vdev state change lock */ +extern void spa_vdev_state_enter(spa_t *spa, int oplock); +extern int spa_vdev_state_exit(spa_t *spa, vdev_t *vd, int error); + +/* Log state */ +typedef enum spa_log_state { + SPA_LOG_UNKNOWN = 0, /* unknown log state */ + SPA_LOG_MISSING, /* missing log(s) */ + SPA_LOG_CLEAR, /* clear the log(s) */ + SPA_LOG_GOOD, /* log(s) are good */ +} spa_log_state_t; + +extern spa_log_state_t spa_get_log_state(spa_t *spa); +extern void spa_set_log_state(spa_t *spa, spa_log_state_t state); +extern int spa_offline_log(spa_t *spa); + +/* Log claim callback */ +extern void spa_claim_notify(zio_t *zio); +extern void spa_deadman(void *); + +/* Accessor functions */ +extern boolean_t spa_shutting_down(spa_t *spa); +extern struct dsl_pool *spa_get_dsl(spa_t *spa); +extern boolean_t spa_is_initializing(spa_t *spa); +extern blkptr_t *spa_get_rootblkptr(spa_t *spa); +extern void spa_set_rootblkptr(spa_t *spa, const blkptr_t *bp); +extern void spa_altroot(spa_t *, char *, size_t); +extern int spa_sync_pass(spa_t *spa); +extern char *spa_name(spa_t *spa); +extern uint64_t spa_guid(spa_t *spa); +extern uint64_t spa_load_guid(spa_t *spa); +extern uint64_t spa_last_synced_txg(spa_t *spa); +extern uint64_t spa_first_txg(spa_t *spa); +extern uint64_t spa_syncing_txg(spa_t *spa); +extern uint64_t spa_version(spa_t *spa); +extern pool_state_t spa_state(spa_t *spa); +extern spa_load_state_t spa_load_state(spa_t *spa); +extern uint64_t spa_freeze_txg(spa_t *spa); +extern uint64_t spa_get_asize(spa_t *spa, uint64_t lsize); +extern uint64_t spa_get_dspace(spa_t *spa); +extern uint64_t spa_get_slop_space(spa_t *spa); +extern void spa_update_dspace(spa_t *spa); +extern uint64_t spa_version(spa_t *spa); +extern boolean_t spa_deflate(spa_t *spa); +extern metaslab_class_t *spa_normal_class(spa_t *spa); +extern metaslab_class_t *spa_log_class(spa_t *spa); +extern void spa_evicting_os_register(spa_t *, objset_t *os); +extern void spa_evicting_os_deregister(spa_t *, objset_t *os); +extern void spa_evicting_os_wait(spa_t *spa); +extern int spa_max_replication(spa_t *spa); +extern int spa_prev_software_version(spa_t *spa); +extern uint8_t spa_get_failmode(spa_t *spa); +extern boolean_t spa_suspended(spa_t *spa); +extern uint64_t spa_bootfs(spa_t *spa); +extern uint64_t spa_delegation(spa_t *spa); +extern objset_t *spa_meta_objset(spa_t *spa); +extern uint64_t spa_deadman_synctime(spa_t *spa); + +/* Miscellaneous support routines */ +extern void spa_activate_mos_feature(spa_t *spa, const char *feature, + dmu_tx_t *tx); +extern void spa_deactivate_mos_feature(spa_t *spa, const char *feature); +extern int spa_rename(const char *oldname, const char *newname); +extern spa_t *spa_by_guid(uint64_t pool_guid, uint64_t device_guid); +extern boolean_t spa_guid_exists(uint64_t pool_guid, uint64_t device_guid); +extern char *spa_strdup(const char *); +extern void spa_strfree(char *); +extern uint64_t spa_get_random(uint64_t range); +extern uint64_t spa_generate_guid(spa_t *spa); +extern void snprintf_blkptr(char *buf, size_t buflen, const blkptr_t *bp); +extern void spa_freeze(spa_t *spa); +extern int spa_change_guid(spa_t *spa); +extern void spa_upgrade(spa_t *spa, uint64_t version); +extern void spa_evict_all(void); +extern vdev_t *spa_lookup_by_guid(spa_t *spa, uint64_t guid, + boolean_t l2cache); +extern boolean_t spa_has_spare(spa_t *, uint64_t guid); +extern uint64_t dva_get_dsize_sync(spa_t *spa, const dva_t *dva); +extern uint64_t bp_get_dsize_sync(spa_t *spa, const blkptr_t *bp); +extern uint64_t bp_get_dsize(spa_t *spa, const blkptr_t *bp); +extern boolean_t spa_has_slogs(spa_t *spa); +extern boolean_t spa_is_root(spa_t *spa); +extern boolean_t spa_writeable(spa_t *spa); +extern boolean_t spa_has_pending_synctask(spa_t *spa); +extern int spa_maxblocksize(spa_t *spa); +extern void zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp); + +extern int spa_mode(spa_t *spa); +extern uint64_t strtonum(const char *str, char **nptr); + +extern char *spa_his_ievent_table[]; + +extern void spa_history_create_obj(spa_t *spa, dmu_tx_t *tx); +extern int spa_history_get(spa_t *spa, uint64_t *offset, uint64_t *len_read, + char *his_buf); +extern int spa_history_log(spa_t *spa, const char *his_buf); +extern int spa_history_log_nvl(spa_t *spa, nvlist_t *nvl); +extern void spa_history_log_version(spa_t *spa, const char *operation); +extern void spa_history_log_internal(spa_t *spa, const char *operation, + dmu_tx_t *tx, const char *fmt, ...); +extern void spa_history_log_internal_ds(struct dsl_dataset *ds, const char *op, + dmu_tx_t *tx, const char *fmt, ...); +extern void spa_history_log_internal_dd(dsl_dir_t *dd, const char *operation, + dmu_tx_t *tx, const char *fmt, ...); + +/* error handling */ +struct zbookmark_phys; +extern void spa_log_error(spa_t *spa, zio_t *zio); +extern void zfs_ereport_post(const char *class, spa_t *spa, vdev_t *vd, + zio_t *zio, uint64_t stateoroffset, uint64_t length); +extern void zfs_post_remove(spa_t *spa, vdev_t *vd); +extern void zfs_post_state_change(spa_t *spa, vdev_t *vd); +extern void zfs_post_autoreplace(spa_t *spa, vdev_t *vd); +extern uint64_t spa_get_errlog_size(spa_t *spa); +extern int spa_get_errlog(spa_t *spa, void *uaddr, size_t *count); +extern void spa_errlog_rotate(spa_t *spa); +extern void spa_errlog_drain(spa_t *spa); +extern void spa_errlog_sync(spa_t *spa, uint64_t txg); +extern void spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub); + +/* vdev cache */ +extern void vdev_cache_stat_init(void); +extern void vdev_cache_stat_fini(void); + +/* Initialization and termination */ +extern void spa_init(int flags); +extern void spa_fini(void); +extern void spa_boot_init(void); + +/* properties */ +extern int spa_prop_set(spa_t *spa, nvlist_t *nvp); +extern int spa_prop_get(spa_t *spa, nvlist_t **nvp); +extern void spa_prop_clear_bootfs(spa_t *spa, uint64_t obj, dmu_tx_t *tx); +extern void spa_configfile_set(spa_t *, nvlist_t *, boolean_t); + +/* asynchronous event notification */ +extern void spa_event_notify(spa_t *spa, vdev_t *vdev, const char *name); + +#ifdef ZFS_DEBUG +#define dprintf_bp(bp, fmt, ...) do { \ + if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ + char *__blkbuf = kmem_alloc(BP_SPRINTF_LEN, KM_SLEEP); \ + snprintf_blkptr(__blkbuf, BP_SPRINTF_LEN, (bp)); \ + dprintf(fmt " %s\n", __VA_ARGS__, __blkbuf); \ + kmem_free(__blkbuf, BP_SPRINTF_LEN); \ + } \ +_NOTE(CONSTCOND) } while (0) +#else +#define dprintf_bp(bp, fmt, ...) +#endif + +extern boolean_t spa_debug_enabled(spa_t *spa); +#define spa_dbgmsg(spa, ...) \ +{ \ + if (spa_debug_enabled(spa)) \ + zfs_dbgmsg(__VA_ARGS__); \ +} + +extern int spa_mode_global; /* mode, e.g. FREAD | FWRITE */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SPA_H */ diff --git a/zfs/include/sys/spa_boot.h b/zfs/include/sys/spa_boot.h new file mode 100644 index 000000000000..1d3622f5a108 --- /dev/null +++ b/zfs/include/sys/spa_boot.h @@ -0,0 +1,42 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_SPA_BOOT_H +#define _SYS_SPA_BOOT_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern char *spa_get_bootprop(char *prop); +extern void spa_free_bootprop(char *prop); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SPA_BOOT_H */ diff --git a/zfs/include/sys/spa_impl.h b/zfs/include/sys/spa_impl.h new file mode 100644 index 000000000000..5176eb84842c --- /dev/null +++ b/zfs/include/sys/spa_impl.h @@ -0,0 +1,280 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +#ifndef _SYS_SPA_IMPL_H +#define _SYS_SPA_IMPL_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct spa_error_entry { + zbookmark_phys_t se_bookmark; + char *se_name; + avl_node_t se_avl; +} spa_error_entry_t; + +typedef struct spa_history_phys { + uint64_t sh_pool_create_len; /* ending offset of zpool create */ + uint64_t sh_phys_max_off; /* physical EOF */ + uint64_t sh_bof; /* logical BOF */ + uint64_t sh_eof; /* logical EOF */ + uint64_t sh_records_lost; /* num of records overwritten */ +} spa_history_phys_t; + +struct spa_aux_vdev { + uint64_t sav_object; /* MOS object for device list */ + nvlist_t *sav_config; /* cached device config */ + vdev_t **sav_vdevs; /* devices */ + int sav_count; /* number devices */ + boolean_t sav_sync; /* sync the device list */ + nvlist_t **sav_pending; /* pending device additions */ + uint_t sav_npending; /* # pending devices */ +}; + +typedef struct spa_config_lock { + kmutex_t scl_lock; + kthread_t *scl_writer; + int scl_write_wanted; + kcondvar_t scl_cv; + refcount_t scl_count; +} spa_config_lock_t; + +typedef struct spa_config_dirent { + list_node_t scd_link; + char *scd_path; +} spa_config_dirent_t; + +typedef enum zio_taskq_type { + ZIO_TASKQ_ISSUE = 0, + ZIO_TASKQ_ISSUE_HIGH, + ZIO_TASKQ_INTERRUPT, + ZIO_TASKQ_INTERRUPT_HIGH, + ZIO_TASKQ_TYPES +} zio_taskq_type_t; + +/* + * State machine for the zpool-poolname process. The states transitions + * are done as follows: + * + * From To Routine + * PROC_NONE -> PROC_CREATED spa_activate() + * PROC_CREATED -> PROC_ACTIVE spa_thread() + * PROC_ACTIVE -> PROC_DEACTIVATE spa_deactivate() + * PROC_DEACTIVATE -> PROC_GONE spa_thread() + * PROC_GONE -> PROC_NONE spa_deactivate() + */ +typedef enum spa_proc_state { + SPA_PROC_NONE, /* spa_proc = &p0, no process created */ + SPA_PROC_CREATED, /* spa_activate() has proc, is waiting */ + SPA_PROC_ACTIVE, /* taskqs created, spa_proc set */ + SPA_PROC_DEACTIVATE, /* spa_deactivate() requests process exit */ + SPA_PROC_GONE /* spa_thread() is exiting, spa_proc = &p0 */ +} spa_proc_state_t; + +typedef struct spa_taskqs { + uint_t stqs_count; + taskq_t **stqs_taskq; +} spa_taskqs_t; + +struct spa { + /* + * Fields protected by spa_namespace_lock. + */ + char spa_name[MAXNAMELEN]; /* pool name */ + char *spa_comment; /* comment */ + avl_node_t spa_avl; /* node in spa_namespace_avl */ + nvlist_t *spa_config; /* last synced config */ + nvlist_t *spa_config_syncing; /* currently syncing config */ + nvlist_t *spa_config_splitting; /* config for splitting */ + nvlist_t *spa_load_info; /* info and errors from load */ + uint64_t spa_config_txg; /* txg of last config change */ + int spa_sync_pass; /* iterate-to-convergence */ + pool_state_t spa_state; /* pool state */ + int spa_inject_ref; /* injection references */ + uint8_t spa_sync_on; /* sync threads are running */ + spa_load_state_t spa_load_state; /* current load operation */ + uint64_t spa_import_flags; /* import specific flags */ + spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES]; + dsl_pool_t *spa_dsl_pool; + boolean_t spa_is_initializing; /* true while opening pool */ + metaslab_class_t *spa_normal_class; /* normal data class */ + metaslab_class_t *spa_log_class; /* intent log data class */ + uint64_t spa_first_txg; /* first txg after spa_open() */ + uint64_t spa_final_txg; /* txg of export/destroy */ + uint64_t spa_freeze_txg; /* freeze pool at this txg */ + uint64_t spa_load_max_txg; /* best initial ub_txg */ + uint64_t spa_claim_max_txg; /* highest claimed birth txg */ + timespec_t spa_loaded_ts; /* 1st successful open time */ + objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ + kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */ + list_t spa_evicting_os_list; /* Objsets being evicted. */ + kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */ + txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ + vdev_t *spa_root_vdev; /* top-level vdev container */ + int spa_min_ashift; /* of vdevs in normal class */ + int spa_max_ashift; /* of vdevs in normal class */ + uint64_t spa_config_guid; /* config pool guid */ + uint64_t spa_load_guid; /* spa_load initialized guid */ + uint64_t spa_last_synced_guid; /* last synced guid */ + list_t spa_config_dirty_list; /* vdevs with dirty config */ + list_t spa_state_dirty_list; /* vdevs with dirty state */ + spa_aux_vdev_t spa_spares; /* hot spares */ + spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */ + nvlist_t *spa_label_features; /* Features for reading MOS */ + uint64_t spa_config_object; /* MOS object for pool config */ + uint64_t spa_config_generation; /* config generation number */ + uint64_t spa_syncing_txg; /* txg currently syncing */ + bpobj_t spa_deferred_bpobj; /* deferred-free bplist */ + bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */ + uberblock_t spa_ubsync; /* last synced uberblock */ + uberblock_t spa_uberblock; /* current uberblock */ + boolean_t spa_extreme_rewind; /* rewind past deferred frees */ + uint64_t spa_last_io; /* lbolt of last non-scan I/O */ + kmutex_t spa_scrub_lock; /* resilver/scrub lock */ + uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */ + kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ + uint8_t spa_scrub_active; /* active or suspended? */ + uint8_t spa_scrub_type; /* type of scrub we're doing */ + uint8_t spa_scrub_finished; /* indicator to rotate logs */ + uint8_t spa_scrub_started; /* started since last boot */ + uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */ + uint64_t spa_scan_pass_start; /* start time per pass/reboot */ + uint64_t spa_scan_pass_exam; /* examined bytes per pass */ + kmutex_t spa_async_lock; /* protect async state */ + kthread_t *spa_async_thread; /* thread doing async task */ + int spa_async_suspended; /* async tasks suspended */ + kcondvar_t spa_async_cv; /* wait for thread_exit() */ + uint16_t spa_async_tasks; /* async task mask */ + char *spa_root; /* alternate root directory */ + uint64_t spa_ena; /* spa-wide ereport ENA */ + int spa_last_open_failed; /* error if last open failed */ + uint64_t spa_last_ubsync_txg; /* "best" uberblock txg */ + uint64_t spa_last_ubsync_txg_ts; /* timestamp from that ub */ + uint64_t spa_load_txg; /* ub txg that loaded */ + uint64_t spa_load_txg_ts; /* timestamp from that ub */ + uint64_t spa_load_meta_errors; /* verify metadata err count */ + uint64_t spa_load_data_errors; /* verify data err count */ + uint64_t spa_verify_min_txg; /* start txg of verify scrub */ + kmutex_t spa_errlog_lock; /* error log lock */ + uint64_t spa_errlog_last; /* last error log object */ + uint64_t spa_errlog_scrub; /* scrub error log object */ + kmutex_t spa_errlist_lock; /* error list/ereport lock */ + avl_tree_t spa_errlist_last; /* last error list */ + avl_tree_t spa_errlist_scrub; /* scrub error list */ + uint64_t spa_deflate; /* should we deflate? */ + uint64_t spa_history; /* history object */ + kmutex_t spa_history_lock; /* history lock */ + vdev_t *spa_pending_vdev; /* pending vdev additions */ + kmutex_t spa_props_lock; /* property lock */ + uint64_t spa_pool_props_object; /* object for properties */ + uint64_t spa_bootfs; /* default boot filesystem */ + uint64_t spa_failmode; /* failure mode for the pool */ + uint64_t spa_delegation; /* delegation on/off */ + list_t spa_config_list; /* previous cache file(s) */ + /* per-CPU array of root of async I/O: */ + zio_t **spa_async_zio_root; + zio_t *spa_suspend_zio_root; /* root of all suspended I/O */ + kmutex_t spa_suspend_lock; /* protects suspend_zio_root */ + kcondvar_t spa_suspend_cv; /* notification of resume */ + uint8_t spa_suspended; /* pool is suspended */ + uint8_t spa_claiming; /* pool is doing zil_claim() */ + boolean_t spa_debug; /* debug enabled? */ + boolean_t spa_is_root; /* pool is root */ + int spa_minref; /* num refs when first opened */ + int spa_mode; /* FREAD | FWRITE */ + spa_log_state_t spa_log_state; /* log state */ + uint64_t spa_autoexpand; /* lun expansion on/off */ + ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */ + uint64_t spa_ddt_stat_object; /* DDT statistics */ + uint64_t spa_dedup_ditto; /* dedup ditto threshold */ + uint64_t spa_dedup_checksum; /* default dedup checksum */ + uint64_t spa_dspace; /* dspace in normal class */ + kmutex_t spa_vdev_top_lock; /* dueling offline/remove */ + kmutex_t spa_proc_lock; /* protects spa_proc* */ + kcondvar_t spa_proc_cv; /* spa_proc_state transitions */ + spa_proc_state_t spa_proc_state; /* see definition */ + proc_t *spa_proc; /* "zpool-poolname" process */ + uint64_t spa_did; /* if procp != p0, did of t1 */ + boolean_t spa_autoreplace; /* autoreplace set in open */ + int spa_vdev_locks; /* locks grabbed */ + uint64_t spa_creation_version; /* version at pool creation */ + uint64_t spa_prev_software_version; /* See ub_software_version */ + uint64_t spa_feat_for_write_obj; /* required to write to pool */ + uint64_t spa_feat_for_read_obj; /* required to read from pool */ + uint64_t spa_feat_desc_obj; /* Feature descriptions */ + uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */ + kmutex_t spa_feat_stats_lock; /* protects spa_feat_stats */ + nvlist_t *spa_feat_stats; /* Cache of enabled features */ + /* cache feature refcounts */ + uint64_t spa_feat_refcount_cache[SPA_FEATURES]; + taskqid_t spa_deadman_tqid; /* Task id */ + uint64_t spa_deadman_calls; /* number of deadman calls */ + hrtime_t spa_sync_starttime; /* starting time of spa_sync */ + uint64_t spa_deadman_synctime; /* deadman expiration timer */ + uint64_t spa_errata; /* errata issues detected */ + spa_stats_t spa_stats; /* assorted spa statistics */ + taskq_t *spa_zvol_taskq; /* Taskq for minor managment */ + + /* + * spa_refcount & spa_config_lock must be the last elements + * because refcount_t changes size based on compilation options. + * In order for the MDB module to function correctly, the other + * fields must remain in the same location. + */ + spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */ + refcount_t spa_refcount; /* number of opens */ +}; + +extern char *spa_config_path; + +extern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q, + task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent); +extern void spa_taskq_dispatch_sync(spa_t *, zio_type_t t, zio_taskq_type_t q, + task_func_t *func, void *arg, uint_t flags); + + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SPA_IMPL_H */ diff --git a/zfs/include/sys/space_map.h b/zfs/include/sys/space_map.h new file mode 100644 index 000000000000..a59e6d37d43a --- /dev/null +++ b/zfs/include/sys/space_map.h @@ -0,0 +1,164 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_SPACE_MAP_H +#define _SYS_SPACE_MAP_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The size of the space map object has increased to include a histogram. + * The SPACE_MAP_SIZE_V0 designates the original size and is used to + * maintain backward compatibility. + */ +#define SPACE_MAP_SIZE_V0 (3 * sizeof (uint64_t)) +#define SPACE_MAP_HISTOGRAM_SIZE 32 + +/* + * The space_map_phys is the on-disk representation of the space map. + * Consumers of space maps should never reference any of the members of this + * structure directly. These members may only be updated in syncing context. + * + * Note the smp_object is no longer used but remains in the structure + * for backward compatibility. + */ +typedef struct space_map_phys { + uint64_t smp_object; /* on-disk space map object */ + uint64_t smp_objsize; /* size of the object */ + uint64_t smp_alloc; /* space allocated from the map */ + uint64_t smp_pad[5]; /* reserved */ + + /* + * The smp_histogram maintains a histogram of free regions. Each + * bucket, smp_histogram[i], contains the number of free regions + * whose size is: + * 2^(i+sm_shift) <= size of free region in bytes < 2^(i+sm_shift+1) + */ + uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; +} space_map_phys_t; + +/* + * The space map object defines a region of space, its size, how much is + * allocated, and the on-disk object that stores this information. + * Consumers of space maps may only access the members of this structure. + */ +typedef struct space_map { + uint64_t sm_start; /* start of map */ + uint64_t sm_size; /* size of map */ + uint8_t sm_shift; /* unit shift */ + uint64_t sm_length; /* synced length */ + uint64_t sm_alloc; /* synced space allocated */ + objset_t *sm_os; /* objset for this map */ + uint64_t sm_object; /* object id for this map */ + uint32_t sm_blksz; /* block size for space map */ + dmu_buf_t *sm_dbuf; /* space_map_phys_t dbuf */ + space_map_phys_t *sm_phys; /* on-disk space map */ + kmutex_t *sm_lock; /* pointer to lock that protects map */ +} space_map_t; + +/* + * debug entry + * + * 1 3 10 50 + * ,---+--------+------------+---------------------------------. + * | 1 | action | syncpass | txg (lower bits) | + * `---+--------+------------+---------------------------------' + * 63 62 60 59 50 49 0 + * + * + * non-debug entry + * + * 1 47 1 15 + * ,-----------------------------------------------------------. + * | 0 | offset (sm_shift units) | type | run | + * `-----------------------------------------------------------' + * 63 62 17 16 15 0 + */ + +/* All this stuff takes and returns bytes */ +#define SM_RUN_DECODE(x) (BF64_DECODE(x, 0, 15) + 1) +#define SM_RUN_ENCODE(x) BF64_ENCODE((x) - 1, 0, 15) +#define SM_TYPE_DECODE(x) BF64_DECODE(x, 15, 1) +#define SM_TYPE_ENCODE(x) BF64_ENCODE(x, 15, 1) +#define SM_OFFSET_DECODE(x) BF64_DECODE(x, 16, 47) +#define SM_OFFSET_ENCODE(x) BF64_ENCODE(x, 16, 47) +#define SM_DEBUG_DECODE(x) BF64_DECODE(x, 63, 1) +#define SM_DEBUG_ENCODE(x) BF64_ENCODE(x, 63, 1) + +#define SM_DEBUG_ACTION_DECODE(x) BF64_DECODE(x, 60, 3) +#define SM_DEBUG_ACTION_ENCODE(x) BF64_ENCODE(x, 60, 3) + +#define SM_DEBUG_SYNCPASS_DECODE(x) BF64_DECODE(x, 50, 10) +#define SM_DEBUG_SYNCPASS_ENCODE(x) BF64_ENCODE(x, 50, 10) + +#define SM_DEBUG_TXG_DECODE(x) BF64_DECODE(x, 0, 50) +#define SM_DEBUG_TXG_ENCODE(x) BF64_ENCODE(x, 0, 50) + +#define SM_RUN_MAX SM_RUN_DECODE(~0ULL) + +typedef enum { + SM_ALLOC, + SM_FREE +} maptype_t; + +int space_map_load(space_map_t *sm, range_tree_t *rt, maptype_t maptype); + +void space_map_histogram_clear(space_map_t *sm); +void space_map_histogram_add(space_map_t *sm, range_tree_t *rt, + dmu_tx_t *tx); + +void space_map_update(space_map_t *sm); + +uint64_t space_map_object(space_map_t *sm); +uint64_t space_map_allocated(space_map_t *sm); +uint64_t space_map_length(space_map_t *sm); + +void space_map_write(space_map_t *sm, range_tree_t *rt, maptype_t maptype, + dmu_tx_t *tx); +void space_map_truncate(space_map_t *sm, dmu_tx_t *tx); +uint64_t space_map_alloc(objset_t *os, dmu_tx_t *tx); +void space_map_free(space_map_t *sm, dmu_tx_t *tx); + +int space_map_open(space_map_t **smp, objset_t *os, uint64_t object, + uint64_t start, uint64_t size, uint8_t shift, kmutex_t *lp); +void space_map_close(space_map_t *sm); + +int64_t space_map_alloc_delta(space_map_t *sm); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SPACE_MAP_H */ diff --git a/zfs/include/sys/space_reftree.h b/zfs/include/sys/space_reftree.h new file mode 100644 index 000000000000..249b15be6729 --- /dev/null +++ b/zfs/include/sys/space_reftree.h @@ -0,0 +1,57 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_SPACE_REFTREE_H +#define _SYS_SPACE_REFTREE_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct space_ref { + avl_node_t sr_node; /* AVL node */ + uint64_t sr_offset; /* range offset (start or end) */ + int64_t sr_refcnt; /* associated reference count */ +} space_ref_t; + +void space_reftree_create(avl_tree_t *t); +void space_reftree_destroy(avl_tree_t *t); +void space_reftree_add_seg(avl_tree_t *t, uint64_t start, uint64_t end, + int64_t refcnt); +void space_reftree_add_map(avl_tree_t *t, range_tree_t *rt, int64_t refcnt); +void space_reftree_generate_map(avl_tree_t *t, range_tree_t *rt, + int64_t minref); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SPACE_REFTREE_H */ diff --git a/zfs/include/sys/trace.h b/zfs/include/sys/trace.h new file mode 100644 index 000000000000..f32ba529ecd1 --- /dev/null +++ b/zfs/include/sys/trace.h @@ -0,0 +1,68 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#if !defined(_TRACE_ZFS_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ZFS_H + +#include +#include + +/* + * The sys/trace_dbgmsg.h header defines tracepoint events for + * dprintf(), dbgmsg(), and SET_ERROR(). + */ +#define _SYS_TRACE_DBGMSG_INDIRECT +#include +#undef _SYS_TRACE_DBGMSG_INDIRECT + +/* + * Redefine the DTRACE_PROBE* functions to use Linux tracepoints + */ +#undef DTRACE_PROBE1 +#define DTRACE_PROBE1(name, t1, arg1) \ + trace_zfs_##name((arg1)) + +#undef DTRACE_PROBE2 +#define DTRACE_PROBE2(name, t1, arg1, t2, arg2) \ + trace_zfs_##name((arg1), (arg2)) + +#undef DTRACE_PROBE3 +#define DTRACE_PROBE3(name, t1, arg1, t2, arg2, t3, arg3) \ + trace_zfs_##name((arg1), (arg2), (arg3)) + +#undef DTRACE_PROBE4 +#define DTRACE_PROBE4(name, t1, arg1, t2, arg2, t3, arg3, t4, arg4) \ + trace_zfs_##name((arg1), (arg2), (arg3), (arg4)) + +#endif /* _TRACE_ZFS_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_acl.h b/zfs/include/sys/trace_acl.h new file mode 100644 index 000000000000..2308942294e0 --- /dev/null +++ b/zfs/include/sys/trace_acl.h @@ -0,0 +1,160 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_acl + +#if !defined(_TRACE_ACL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ACL_H + +#include +#include + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * znode_t *, ..., + * zfs_ace_hdr_t *, ..., + * uint32_t, ...); + */ + +DECLARE_EVENT_CLASS(zfs_ace_class, + TP_PROTO(znode_t *zn, zfs_ace_hdr_t *ace, uint32_t mask_matched), + TP_ARGS(zn, ace, mask_matched), + TP_STRUCT__entry( + __field(uint64_t, z_id) + __field(uint8_t, z_unlinked) + __field(uint8_t, z_atime_dirty) + __field(uint8_t, z_zn_prefetch) + __field(uint8_t, z_moved) + __field(uint_t, z_blksz) + __field(uint_t, z_seq) + __field(uint64_t, z_mapcnt) + __field(uint64_t, z_gen) + __field(uint64_t, z_size) + __field(uint64_t, z_links) + __field(uint64_t, z_pflags) + __field(uint64_t, z_uid) + __field(uint64_t, z_gid) + __field(uint32_t, z_sync_cnt) + __field(mode_t, z_mode) + __field(boolean_t, z_is_sa) + __field(boolean_t, z_is_mapped) + __field(boolean_t, z_is_ctldir) + __field(boolean_t, z_is_stale) + + __field(unsigned long, i_ino) + __field(unsigned int, i_nlink) + __field(u64, i_version) + __field(loff_t, i_size) + __field(unsigned int, i_blkbits) + __field(unsigned short, i_bytes) + __field(umode_t, i_mode) + __field(__u32, i_generation) + + __field(uint16_t, z_type) + __field(uint16_t, z_flags) + __field(uint32_t, z_access_mask) + + __field(uint32_t, mask_matched) + ), + TP_fast_assign( + __entry->z_id = zn->z_id; + __entry->z_unlinked = zn->z_unlinked; + __entry->z_atime_dirty = zn->z_atime_dirty; + __entry->z_zn_prefetch = zn->z_zn_prefetch; + __entry->z_moved = zn->z_moved; + __entry->z_blksz = zn->z_blksz; + __entry->z_seq = zn->z_seq; + __entry->z_mapcnt = zn->z_mapcnt; + __entry->z_gen = zn->z_gen; + __entry->z_size = zn->z_size; + __entry->z_links = zn->z_links; + __entry->z_pflags = zn->z_pflags; + __entry->z_uid = zn->z_uid; + __entry->z_gid = zn->z_gid; + __entry->z_sync_cnt = zn->z_sync_cnt; + __entry->z_mode = zn->z_mode; + __entry->z_is_sa = zn->z_is_sa; + __entry->z_is_mapped = zn->z_is_mapped; + __entry->z_is_ctldir = zn->z_is_ctldir; + __entry->z_is_stale = zn->z_is_stale; + + __entry->i_ino = zn->z_inode.i_ino; + __entry->i_nlink = zn->z_inode.i_nlink; + __entry->i_version = zn->z_inode.i_version; + __entry->i_size = zn->z_inode.i_size; + __entry->i_blkbits = zn->z_inode.i_blkbits; + __entry->i_bytes = zn->z_inode.i_bytes; + __entry->i_mode = zn->z_inode.i_mode; + __entry->i_generation = zn->z_inode.i_generation; + + __entry->z_type = ace->z_type; + __entry->z_flags = ace->z_flags; + __entry->z_access_mask = ace->z_access_mask; + + __entry->mask_matched = mask_matched; + ), + TP_printk("zn { id %llu unlinked %u atime_dirty %u " + "zn_prefetch %u moved %u blksz %u seq %u " + "mapcnt %llu gen %llu size %llu " + "links %llu pflags %llu uid %llu gid %llu " + "sync_cnt %u mode 0x%x is_sa %d " + "is_mapped %d is_ctldir %d is_stale %d inode { " + "ino %lu nlink %u version %llu size %lli blkbits %u " + "bytes %u mode 0x%x generation %x } } ace { type %u " + "flags %u access_mask %u } mask_matched %u", + __entry->z_id, __entry->z_unlinked, __entry->z_atime_dirty, + __entry->z_zn_prefetch, __entry->z_moved, __entry->z_blksz, + __entry->z_seq, __entry->z_mapcnt, __entry->z_gen, + __entry->z_size, + __entry->z_links, __entry->z_pflags, __entry->z_uid, + __entry->z_gid, __entry->z_sync_cnt, __entry->z_mode, + __entry->z_is_sa, __entry->z_is_mapped, + __entry->z_is_ctldir, __entry->z_is_stale, __entry->i_ino, + __entry->i_nlink, __entry->i_version, __entry->i_size, + __entry->i_blkbits, __entry->i_bytes, __entry->i_mode, + __entry->i_generation, __entry->z_type, __entry->z_flags, + __entry->z_access_mask, __entry->mask_matched) +); + +#define DEFINE_ACE_EVENT(name) \ +DEFINE_EVENT(zfs_ace_class, name, \ + TP_PROTO(znode_t *zn, zfs_ace_hdr_t *ace, uint32_t mask_matched), \ + TP_ARGS(zn, ace, mask_matched)) +DEFINE_ACE_EVENT(zfs_zfs__ace__denies); +DEFINE_ACE_EVENT(zfs_zfs__ace__allows); + +#endif /* _TRACE_ACL_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_acl +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_arc.h b/zfs/include/sys/trace_arc.h new file mode 100644 index 000000000000..31c3cdcb9b21 --- /dev/null +++ b/zfs/include/sys/trace_arc.h @@ -0,0 +1,422 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#include + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_arc + +#if !defined(_TRACE_ARC_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ARC_H + +#include +#include + +/* + * Generic support for one argument tracepoints of the form: + * + * DTRACE_PROBE1(..., + * arc_buf_hdr_t *, ...); + */ + +DECLARE_EVENT_CLASS(zfs_arc_buf_hdr_class, + TP_PROTO(arc_buf_hdr_t *ab), + TP_ARGS(ab), + TP_STRUCT__entry( + __array(uint64_t, hdr_dva_word, 2) + __field(uint64_t, hdr_birth) + __field(uint32_t, hdr_flags) + __field(uint32_t, hdr_datacnt) + __field(arc_buf_contents_t, hdr_type) + __field(uint64_t, hdr_size) + __field(uint64_t, hdr_spa) + __field(arc_state_type_t, hdr_state_type) + __field(clock_t, hdr_access) + __field(uint32_t, hdr_mru_hits) + __field(uint32_t, hdr_mru_ghost_hits) + __field(uint32_t, hdr_mfu_hits) + __field(uint32_t, hdr_mfu_ghost_hits) + __field(uint32_t, hdr_l2_hits) + __field(int64_t, hdr_refcount) + ), + TP_fast_assign( + __entry->hdr_dva_word[0] = ab->b_dva.dva_word[0]; + __entry->hdr_dva_word[1] = ab->b_dva.dva_word[1]; + __entry->hdr_birth = ab->b_birth; + __entry->hdr_flags = ab->b_flags; + __entry->hdr_datacnt = ab->b_l1hdr.b_datacnt; + __entry->hdr_size = ab->b_size; + __entry->hdr_spa = ab->b_spa; + __entry->hdr_state_type = ab->b_l1hdr.b_state->arcs_state; + __entry->hdr_access = ab->b_l1hdr.b_arc_access; + __entry->hdr_mru_hits = ab->b_l1hdr.b_mru_hits; + __entry->hdr_mru_ghost_hits = ab->b_l1hdr.b_mru_ghost_hits; + __entry->hdr_mfu_hits = ab->b_l1hdr.b_mfu_hits; + __entry->hdr_mfu_ghost_hits = ab->b_l1hdr.b_mfu_ghost_hits; + __entry->hdr_l2_hits = ab->b_l1hdr.b_l2_hits; + __entry->hdr_refcount = ab->b_l1hdr.b_refcnt.rc_count; + ), + TP_printk("hdr { dva 0x%llx:0x%llx birth %llu " + "flags 0x%x datacnt %u type %u size %llu spa %llu " + "state_type %u access %lu mru_hits %u mru_ghost_hits %u " + "mfu_hits %u mfu_ghost_hits %u l2_hits %u refcount %lli }", + __entry->hdr_dva_word[0], __entry->hdr_dva_word[1], + __entry->hdr_birth, __entry->hdr_flags, + __entry->hdr_datacnt, __entry->hdr_type, __entry->hdr_size, + __entry->hdr_spa, __entry->hdr_state_type, + __entry->hdr_access, __entry->hdr_mru_hits, + __entry->hdr_mru_ghost_hits, __entry->hdr_mfu_hits, + __entry->hdr_mfu_ghost_hits, __entry->hdr_l2_hits, + __entry->hdr_refcount) +); + +#define DEFINE_ARC_BUF_HDR_EVENT(name) \ +DEFINE_EVENT(zfs_arc_buf_hdr_class, name, \ + TP_PROTO(arc_buf_hdr_t *ab), \ + TP_ARGS(ab)) +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__hit); +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__evict); +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__delete); +DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mru); +DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mfu); +DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__hit); +DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__miss); + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * vdev_t *, ..., + * zio_t *, ...); + */ + +#define ZIO_TP_STRUCT_ENTRY \ + __field(zio_type_t, zio_type) \ + __field(int, zio_cmd) \ + __field(zio_priority_t, zio_priority) \ + __field(uint64_t, zio_size) \ + __field(uint64_t, zio_orig_size) \ + __field(uint64_t, zio_offset) \ + __field(hrtime_t, zio_timestamp) \ + __field(hrtime_t, zio_delta) \ + __field(uint64_t, zio_delay) \ + __field(enum zio_flag, zio_flags) \ + __field(enum zio_stage, zio_stage) \ + __field(enum zio_stage, zio_pipeline) \ + __field(enum zio_flag, zio_orig_flags) \ + __field(enum zio_stage, zio_orig_stage) \ + __field(enum zio_stage, zio_orig_pipeline) \ + __field(uint8_t, zio_reexecute) \ + __field(uint64_t, zio_txg) \ + __field(int, zio_error) \ + __field(uint64_t, zio_ena) \ + \ + __field(enum zio_checksum, zp_checksum) \ + __field(enum zio_compress, zp_compress) \ + __field(dmu_object_type_t, zp_type) \ + __field(uint8_t, zp_level) \ + __field(uint8_t, zp_copies) \ + __field(boolean_t, zp_dedup) \ + __field(boolean_t, zp_dedup_verify) \ + __field(boolean_t, zp_nopwrite) + +#define ZIO_TP_FAST_ASSIGN \ + __entry->zio_type = zio->io_type; \ + __entry->zio_cmd = zio->io_cmd; \ + __entry->zio_priority = zio->io_priority; \ + __entry->zio_size = zio->io_size; \ + __entry->zio_orig_size = zio->io_orig_size; \ + __entry->zio_offset = zio->io_offset; \ + __entry->zio_timestamp = zio->io_timestamp; \ + __entry->zio_delta = zio->io_delta; \ + __entry->zio_delay = zio->io_delay; \ + __entry->zio_flags = zio->io_flags; \ + __entry->zio_stage = zio->io_stage; \ + __entry->zio_pipeline = zio->io_pipeline; \ + __entry->zio_orig_flags = zio->io_orig_flags; \ + __entry->zio_orig_stage = zio->io_orig_stage; \ + __entry->zio_orig_pipeline = zio->io_orig_pipeline; \ + __entry->zio_reexecute = zio->io_reexecute; \ + __entry->zio_txg = zio->io_txg; \ + __entry->zio_error = zio->io_error; \ + __entry->zio_ena = zio->io_ena; \ + \ + __entry->zp_checksum = zio->io_prop.zp_checksum; \ + __entry->zp_compress = zio->io_prop.zp_compress; \ + __entry->zp_type = zio->io_prop.zp_type; \ + __entry->zp_level = zio->io_prop.zp_level; \ + __entry->zp_copies = zio->io_prop.zp_copies; \ + __entry->zp_dedup = zio->io_prop.zp_dedup; \ + __entry->zp_nopwrite = zio->io_prop.zp_nopwrite; \ + __entry->zp_dedup_verify = zio->io_prop.zp_dedup_verify; + +#define ZIO_TP_PRINTK_FMT \ + "zio { type %u cmd %i prio %u size %llu orig_size %llu " \ + "offset %llu timestamp %llu delta %llu delay %llu " \ + "flags 0x%x stage 0x%x pipeline 0x%x orig_flags 0x%x " \ + "orig_stage 0x%x orig_pipeline 0x%x reexecute %u " \ + "txg %llu error %d ena %llu prop { checksum %u compress %u " \ + "type %u level %u copies %u dedup %u dedup_verify %u nopwrite %u } }" + +#define ZIO_TP_PRINTK_ARGS \ + __entry->zio_type, __entry->zio_cmd, __entry->zio_priority, \ + __entry->zio_size, __entry->zio_orig_size, __entry->zio_offset, \ + __entry->zio_timestamp, __entry->zio_delta, __entry->zio_delay, \ + __entry->zio_flags, __entry->zio_stage, __entry->zio_pipeline, \ + __entry->zio_orig_flags, __entry->zio_orig_stage, \ + __entry->zio_orig_pipeline, __entry->zio_reexecute, \ + __entry->zio_txg, __entry->zio_error, __entry->zio_ena, \ + __entry->zp_checksum, __entry->zp_compress, __entry->zp_type, \ + __entry->zp_level, __entry->zp_copies, __entry->zp_dedup, \ + __entry->zp_dedup_verify, __entry->zp_nopwrite + +DECLARE_EVENT_CLASS(zfs_l2arc_rw_class, + TP_PROTO(vdev_t *vd, zio_t *zio), + TP_ARGS(vd, zio), + TP_STRUCT__entry( + __field(uint64_t, vdev_id) + __field(uint64_t, vdev_guid) + __field(uint64_t, vdev_state) + ZIO_TP_STRUCT_ENTRY + ), + TP_fast_assign( + __entry->vdev_id = vd->vdev_id; + __entry->vdev_guid = vd->vdev_guid; + __entry->vdev_state = vd->vdev_state; + ZIO_TP_FAST_ASSIGN + ), + TP_printk("vdev { id %llu guid %llu state %llu } " + ZIO_TP_PRINTK_FMT, __entry->vdev_id, __entry->vdev_guid, + __entry->vdev_state, ZIO_TP_PRINTK_ARGS) +); + +#define DEFINE_L2ARC_RW_EVENT(name) \ +DEFINE_EVENT(zfs_l2arc_rw_class, name, \ + TP_PROTO(vdev_t *vd, zio_t *zio), \ + TP_ARGS(vd, zio)) +DEFINE_L2ARC_RW_EVENT(zfs_l2arc__read); +DEFINE_L2ARC_RW_EVENT(zfs_l2arc__write); + + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * zio_t *, ..., + * l2arc_write_callback_t *, ...); + */ + +DECLARE_EVENT_CLASS(zfs_l2arc_iodone_class, + TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), + TP_ARGS(zio, cb), + TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY), + TP_fast_assign(ZIO_TP_FAST_ASSIGN), + TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS) +); + +#define DEFINE_L2ARC_IODONE_EVENT(name) \ +DEFINE_EVENT(zfs_l2arc_iodone_class, name, \ + TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), \ + TP_ARGS(zio, cb)) +DEFINE_L2ARC_IODONE_EVENT(zfs_l2arc__iodone); + + +/* + * Generic support for four argument tracepoints of the form: + * + * DTRACE_PROBE4(..., + * arc_buf_hdr_t *, ..., + * const blkptr_t *, + * uint64_t, + * const zbookmark_phys_t *); + */ + +DECLARE_EVENT_CLASS(zfs_arc_miss_class, + TP_PROTO(arc_buf_hdr_t *hdr, + const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), + TP_ARGS(hdr, bp, size, zb), + TP_STRUCT__entry( + __array(uint64_t, hdr_dva_word, 2) + __field(uint64_t, hdr_birth) + __field(uint32_t, hdr_flags) + __field(uint32_t, hdr_datacnt) + __field(arc_buf_contents_t, hdr_type) + __field(uint64_t, hdr_size) + __field(uint64_t, hdr_spa) + __field(arc_state_type_t, hdr_state_type) + __field(clock_t, hdr_access) + __field(uint32_t, hdr_mru_hits) + __field(uint32_t, hdr_mru_ghost_hits) + __field(uint32_t, hdr_mfu_hits) + __field(uint32_t, hdr_mfu_ghost_hits) + __field(uint32_t, hdr_l2_hits) + __field(int64_t, hdr_refcount) + + __array(uint64_t, bp_dva0, 2) + __array(uint64_t, bp_dva1, 2) + __array(uint64_t, bp_dva2, 2) + __array(uint64_t, bp_cksum, 4) + + __field(uint64_t, bp_lsize) + + __field(uint64_t, zb_objset) + __field(uint64_t, zb_object) + __field(int64_t, zb_level) + __field(uint64_t, zb_blkid) + ), + TP_fast_assign( + __entry->hdr_dva_word[0] = hdr->b_dva.dva_word[0]; + __entry->hdr_dva_word[1] = hdr->b_dva.dva_word[1]; + __entry->hdr_birth = hdr->b_birth; + __entry->hdr_flags = hdr->b_flags; + __entry->hdr_datacnt = hdr->b_l1hdr.b_datacnt; + __entry->hdr_size = hdr->b_size; + __entry->hdr_spa = hdr->b_spa; + __entry->hdr_state_type = hdr->b_l1hdr.b_state->arcs_state; + __entry->hdr_access = hdr->b_l1hdr.b_arc_access; + __entry->hdr_mru_hits = hdr->b_l1hdr.b_mru_hits; + __entry->hdr_mru_ghost_hits = hdr->b_l1hdr.b_mru_ghost_hits; + __entry->hdr_mfu_hits = hdr->b_l1hdr.b_mfu_hits; + __entry->hdr_mfu_ghost_hits = hdr->b_l1hdr.b_mfu_ghost_hits; + __entry->hdr_l2_hits = hdr->b_l1hdr.b_l2_hits; + __entry->hdr_refcount = hdr->b_l1hdr.b_refcnt.rc_count; + + __entry->bp_dva0[0] = bp->blk_dva[0].dva_word[0]; + __entry->bp_dva0[1] = bp->blk_dva[0].dva_word[1]; + __entry->bp_dva1[0] = bp->blk_dva[1].dva_word[0]; + __entry->bp_dva1[1] = bp->blk_dva[1].dva_word[1]; + __entry->bp_dva2[0] = bp->blk_dva[2].dva_word[0]; + __entry->bp_dva2[1] = bp->blk_dva[2].dva_word[1]; + __entry->bp_cksum[0] = bp->blk_cksum.zc_word[0]; + __entry->bp_cksum[1] = bp->blk_cksum.zc_word[1]; + __entry->bp_cksum[2] = bp->blk_cksum.zc_word[2]; + __entry->bp_cksum[3] = bp->blk_cksum.zc_word[3]; + + __entry->bp_lsize = size; + + __entry->zb_objset = zb->zb_objset; + __entry->zb_object = zb->zb_object; + __entry->zb_level = zb->zb_level; + __entry->zb_blkid = zb->zb_blkid; + ), + TP_printk("hdr { dva 0x%llx:0x%llx birth %llu " + "flags 0x%x datacnt %u size %llu spa %llu state_type %u " + "access %lu mru_hits %u mru_ghost_hits %u mfu_hits %u " + "mfu_ghost_hits %u l2_hits %u refcount %lli } " + "bp { dva0 0x%llx:0x%llx dva1 0x%llx:0x%llx dva2 " + "0x%llx:0x%llx cksum 0x%llx:0x%llx:0x%llx:0x%llx " + "lsize %llu } zb { objset %llu object %llu level %lli " + "blkid %llu }", + __entry->hdr_dva_word[0], __entry->hdr_dva_word[1], + __entry->hdr_birth, __entry->hdr_flags, + __entry->hdr_datacnt, __entry->hdr_size, + __entry->hdr_spa, __entry->hdr_state_type, __entry->hdr_access, + __entry->hdr_mru_hits, __entry->hdr_mru_ghost_hits, + __entry->hdr_mfu_hits, __entry->hdr_mfu_ghost_hits, + __entry->hdr_l2_hits, __entry->hdr_refcount, + __entry->bp_dva0[0], __entry->bp_dva0[1], + __entry->bp_dva1[0], __entry->bp_dva1[1], + __entry->bp_dva2[0], __entry->bp_dva2[1], + __entry->bp_cksum[0], __entry->bp_cksum[1], + __entry->bp_cksum[2], __entry->bp_cksum[3], + __entry->bp_lsize, __entry->zb_objset, __entry->zb_object, + __entry->zb_level, __entry->zb_blkid) +); + +#define DEFINE_ARC_MISS_EVENT(name) \ +DEFINE_EVENT(zfs_arc_miss_class, name, \ + TP_PROTO(arc_buf_hdr_t *hdr, \ + const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), \ + TP_ARGS(hdr, bp, size, zb)) +DEFINE_ARC_MISS_EVENT(zfs_arc__miss); + +/* + * Generic support for four argument tracepoints of the form: + * + * DTRACE_PROBE4(..., + * l2arc_dev_t *, ..., + * list_t *, ..., + * uint64_t, ..., + * boolean_t, ...); + */ + +DECLARE_EVENT_CLASS(zfs_l2arc_evict_class, + TP_PROTO(l2arc_dev_t *dev, + list_t *buflist, uint64_t taddr, boolean_t all), + TP_ARGS(dev, buflist, taddr, all), + TP_STRUCT__entry( + __field(uint64_t, vdev_id) + __field(uint64_t, vdev_guid) + __field(uint64_t, vdev_state) + + __field(uint64_t, l2ad_hand) + __field(uint64_t, l2ad_start) + __field(uint64_t, l2ad_end) + __field(boolean_t, l2ad_first) + __field(boolean_t, l2ad_writing) + + __field(uint64_t, taddr) + __field(boolean_t, all) + ), + TP_fast_assign( + __entry->vdev_id = dev->l2ad_vdev->vdev_id; + __entry->vdev_guid = dev->l2ad_vdev->vdev_guid; + __entry->vdev_state = dev->l2ad_vdev->vdev_state; + + __entry->l2ad_hand = dev->l2ad_hand; + __entry->l2ad_start = dev->l2ad_start; + __entry->l2ad_end = dev->l2ad_end; + __entry->l2ad_first = dev->l2ad_first; + __entry->l2ad_writing = dev->l2ad_writing; + + __entry->taddr = taddr; + __entry->all = all; + ), + TP_printk("l2ad { vdev { id %llu guid %llu state %llu } " + "hand %llu start %llu end %llu " + "first %d writing %d } taddr %llu all %d", + __entry->vdev_id, __entry->vdev_guid, __entry->vdev_state, + __entry->l2ad_hand, __entry->l2ad_start, + __entry->l2ad_end, __entry->l2ad_first, __entry->l2ad_writing, + __entry->taddr, __entry->all) +); + +#define DEFINE_L2ARC_EVICT_EVENT(name) \ +DEFINE_EVENT(zfs_l2arc_evict_class, name, \ + TP_PROTO(l2arc_dev_t *dev, \ + list_t *buflist, uint64_t taddr, boolean_t all), \ + TP_ARGS(dev, buflist, taddr, all)) +DEFINE_L2ARC_EVICT_EVENT(zfs_l2arc__evict); + +#endif /* _TRACE_ARC_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_arc +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_dbgmsg.h b/zfs/include/sys/trace_dbgmsg.h new file mode 100644 index 000000000000..e493a45802ed --- /dev/null +++ b/zfs/include/sys/trace_dbgmsg.h @@ -0,0 +1,111 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* Do not include this file directly. Please use instead. */ +#ifndef _SYS_TRACE_DBGMSG_INDIRECT +#error "trace_dbgmsg.h included directly" +#endif + +/* + * This file defines tracepoint events for use by the dbgmsg(), + * dprintf(), and SET_ERROR() interfaces. These are grouped here because + * they all provide a way to store simple messages in the debug log (as + * opposed to events used by the DTRACE_PROBE interfaces which typically + * dump structured data). + * + * This header is included inside the trace.h multiple inclusion guard, + * and it is guarded above against direct inclusion, so it and need not + * be guarded separately. + */ + +/* + * Generic support for four argument tracepoints of the form: + * + * DTRACE_PROBE4(..., + * const char *, ..., + * const char *, ..., + * int, ..., + * const char *, ...); + */ + +DECLARE_EVENT_CLASS(zfs_dprintf_class, + TP_PROTO(const char *file, const char *function, int line, + const char *msg), + TP_ARGS(file, function, line, msg), + TP_STRUCT__entry( + __field(const char *, file) + __field(const char *, function) + __field(int, line) + __string(msg, msg) + ), + TP_fast_assign( + __entry->file = file; + __entry->function = function; + __entry->line = line; + __assign_str(msg, msg); + ), + TP_printk("%s:%d:%s(): %s", __entry->file, __entry->line, + __entry->function, __get_str(msg)) +); + +#define DEFINE_DPRINTF_EVENT(name) \ +DEFINE_EVENT(zfs_dprintf_class, name, \ + TP_PROTO(const char *file, const char *function, int line, \ + const char *msg), \ + TP_ARGS(file, function, line, msg)) +DEFINE_DPRINTF_EVENT(zfs_zfs__dprintf); + +/* + * Generic support for four argument tracepoints of the form: + * + * DTRACE_PROBE4(..., + * const char *, ..., + * const char *, ..., + * int, ..., + * uintptr_t, ...); + */ + +DECLARE_EVENT_CLASS(zfs_set_error_class, + TP_PROTO(const char *file, const char *function, int line, + uintptr_t error), + TP_ARGS(file, function, line, error), + TP_STRUCT__entry( + __field(const char *, file) + __field(const char *, function) + __field(int, line) + __field(uintptr_t, error) + ), + TP_fast_assign( + __entry->file = strchr(file, '/') ? strrchr(file, '/') + 1 : file; + __entry->function = function; + __entry->line = line; + __entry->error = error; + ), + TP_printk("%s:%d:%s(): error 0x%lx", __entry->file, __entry->line, + __entry->function, __entry->error) +); + +#define DEFINE_SET_ERROR_EVENT(name) \ +DEFINE_EVENT(zfs_set_error_class, name, \ + TP_PROTO(const char *file, const char *function, int line, \ + uintptr_t error), \ + TP_ARGS(file, function, line, error)) +DEFINE_SET_ERROR_EVENT(zfs_set__error); diff --git a/zfs/include/sys/trace_dbuf.h b/zfs/include/sys/trace_dbuf.h new file mode 100644 index 000000000000..49e35e3dcbfe --- /dev/null +++ b/zfs/include/sys/trace_dbuf.h @@ -0,0 +1,102 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_dbuf + +#if !defined(_TRACE_DBUF_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_DBUF_H + +#include +#include + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * dmu_buf_impl_t *, ..., + * zio_t *, ...); + */ + +#define DBUF_TP_STRUCT_ENTRY \ + __field(const char *, os_spa) \ + __field(uint64_t, ds_object) \ + __field(uint64_t, db_object) \ + __field(uint64_t, db_level) \ + __field(uint64_t, db_blkid) \ + __field(uint64_t, db_offset) \ + __field(uint64_t, db_size) \ + __field(uint64_t, db_state) \ + __field(int64_t, db_holds) \ + +#define DBUF_TP_FAST_ASSIGN \ + __entry->os_spa = \ + spa_name(DB_DNODE(db)->dn_objset->os_spa); \ + \ + __entry->ds_object = db->db_objset->os_dsl_dataset ? \ + db->db_objset->os_dsl_dataset->ds_object : 0; \ + \ + __entry->db_object = db->db.db_object; \ + __entry->db_level = db->db_level; \ + __entry->db_blkid = db->db_blkid; \ + __entry->db_offset = db->db.db_offset; \ + __entry->db_size = db->db.db_size; \ + __entry->db_state = db->db_state; \ + __entry->db_holds = refcount_count(&db->db_holds); + +#define DBUF_TP_PRINTK_FMT \ + "dbuf { spa \"%s\" objset %llu object %llu level %llu " \ + "blkid %llu offset %llu size %llu state %llu holds %lld }" + +#define DBUF_TP_PRINTK_ARGS \ + __entry->os_spa, __entry->ds_object, \ + __entry->db_object, __entry->db_level, \ + __entry->db_blkid, __entry->db_offset, \ + __entry->db_size, __entry->db_state, __entry->db_holds + +DECLARE_EVENT_CLASS(zfs_dbuf_class, + TP_PROTO(dmu_buf_impl_t *db, zio_t *zio), + TP_ARGS(db, zio), + TP_STRUCT__entry(DBUF_TP_STRUCT_ENTRY), + TP_fast_assign(DBUF_TP_FAST_ASSIGN), + TP_printk(DBUF_TP_PRINTK_FMT, DBUF_TP_PRINTK_ARGS) +); + +#define DEFINE_DBUF_EVENT(name) \ +DEFINE_EVENT(zfs_dbuf_class, name, \ + TP_PROTO(dmu_buf_impl_t *db, zio_t *zio), \ + TP_ARGS(db, zio)) +DEFINE_DBUF_EVENT(zfs_blocked__read); + +#endif /* _TRACE_DBUF_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_dbuf +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_dmu.h b/zfs/include/sys/trace_dmu.h new file mode 100644 index 000000000000..e070997bca43 --- /dev/null +++ b/zfs/include/sys/trace_dmu.h @@ -0,0 +1,120 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_dmu + +#if !defined(_TRACE_DMU_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_DMU_H + +#include +#include + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * dmu_tx_t *, ..., + * uint64_t, ..., + * uint64_t, ...); + */ + +DECLARE_EVENT_CLASS(zfs_delay_mintime_class, + TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), + TP_ARGS(tx, dirty, min_tx_time), + TP_STRUCT__entry( + __field(uint64_t, tx_txg) + __field(uint64_t, tx_lastsnap_txg) + __field(uint64_t, tx_lasttried_txg) + __field(boolean_t, tx_anyobj) + __field(boolean_t, tx_waited) + __field(hrtime_t, tx_start) + __field(boolean_t, tx_wait_dirty) + __field(int, tx_err) +#ifdef DEBUG_DMU_TX + __field(uint64_t, tx_space_towrite) + __field(uint64_t, tx_space_tofree) + __field(uint64_t, tx_space_tooverwrite) + __field(uint64_t, tx_space_tounref) + __field(int64_t, tx_space_written) + __field(int64_t, tx_space_freed) +#endif + __field(uint64_t, min_tx_time) + __field(uint64_t, dirty) + ), + TP_fast_assign( + __entry->tx_txg = tx->tx_txg; + __entry->tx_lastsnap_txg = tx->tx_lastsnap_txg; + __entry->tx_lasttried_txg = tx->tx_lasttried_txg; + __entry->tx_anyobj = tx->tx_anyobj; + __entry->tx_waited = tx->tx_waited; + __entry->tx_start = tx->tx_start; + __entry->tx_wait_dirty = tx->tx_wait_dirty; + __entry->tx_err = tx->tx_err; +#ifdef DEBUG_DMU_TX + __entry->tx_space_towrite = tx->tx_space_towrite; + __entry->tx_space_tofree = tx->tx_space_tofree; + __entry->tx_space_tooverwrite = tx->tx_space_tooverwrite; + __entry->tx_space_tounref = tx->tx_space_tounref; + __entry->tx_space_written = tx->tx_space_written.rc_count; + __entry->tx_space_freed = tx->tx_space_freed.rc_count; +#endif + __entry->dirty = dirty; + __entry->min_tx_time = min_tx_time; + ), + TP_printk("tx { txg %llu lastsnap_txg %llu tx_lasttried_txg %llu " + "anyobj %d waited %d start %llu wait_dirty %d err %i " +#ifdef DEBUG_DMU_TX + "space_towrite %llu space_tofree %llu space_tooverwrite %llu " + "space_tounref %llu space_written %lli space_freed %lli " +#endif + "} dirty %llu min_tx_time %llu", + __entry->tx_txg, __entry->tx_lastsnap_txg, + __entry->tx_lasttried_txg, __entry->tx_anyobj, __entry->tx_waited, + __entry->tx_start, __entry->tx_wait_dirty, __entry->tx_err, +#ifdef DEBUG_DMU_TX + __entry->tx_space_towrite, __entry->tx_space_tofree, + __entry->tx_space_tooverwrite, __entry->tx_space_tounref, + __entry->tx_space_written, __entry->tx_space_freed, +#endif + __entry->dirty, __entry->min_tx_time) +); + +#define DEFINE_DELAY_MINTIME_EVENT(name) \ +DEFINE_EVENT(zfs_delay_mintime_class, name, \ + TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), \ + TP_ARGS(tx, dirty, min_tx_time)) +DEFINE_DELAY_MINTIME_EVENT(zfs_delay__mintime); + +#endif /* _TRACE_DMU_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_dmu +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_dnode.h b/zfs/include/sys/trace_dnode.h new file mode 100644 index 000000000000..ee63c29cd119 --- /dev/null +++ b/zfs/include/sys/trace_dnode.h @@ -0,0 +1,120 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_dnode + +#if !defined(_TRACE_DNODE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_DNODE_H + +#include +#include + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * dnode_t *, ..., + * int64_t, ..., + * uint32_t, ...); + */ + +DECLARE_EVENT_CLASS(zfs_dnode_move_class, + TP_PROTO(dnode_t *dn, int64_t refcount, uint32_t dbufs), + TP_ARGS(dn, refcount, dbufs), + TP_STRUCT__entry( + __field(uint64_t, dn_object) + __field(dmu_object_type_t, dn_type) + __field(uint16_t, dn_bonuslen) + __field(uint8_t, dn_bonustype) + __field(uint8_t, dn_nblkptr) + __field(uint8_t, dn_checksum) + __field(uint8_t, dn_compress) + __field(uint8_t, dn_nlevels) + __field(uint8_t, dn_indblkshift) + __field(uint8_t, dn_datablkshift) + __field(uint8_t, dn_moved) + __field(uint16_t, dn_datablkszsec) + __field(uint32_t, dn_datablksz) + __field(uint64_t, dn_maxblkid) + __field(int64_t, dn_tx_holds) + __field(int64_t, dn_holds) + __field(boolean_t, dn_have_spill) + + __field(int64_t, refcount) + __field(uint32_t, dbufs) + ), + TP_fast_assign( + __entry->dn_object = dn->dn_object; + __entry->dn_type = dn->dn_type; + __entry->dn_bonuslen = dn->dn_bonuslen; + __entry->dn_bonustype = dn->dn_bonustype; + __entry->dn_nblkptr = dn->dn_nblkptr; + __entry->dn_checksum = dn->dn_checksum; + __entry->dn_compress = dn->dn_compress; + __entry->dn_nlevels = dn->dn_nlevels; + __entry->dn_indblkshift = dn->dn_indblkshift; + __entry->dn_datablkshift = dn->dn_datablkshift; + __entry->dn_moved = dn->dn_moved; + __entry->dn_datablkszsec = dn->dn_datablkszsec; + __entry->dn_datablksz = dn->dn_datablksz; + __entry->dn_maxblkid = dn->dn_maxblkid; + __entry->dn_tx_holds = dn->dn_tx_holds.rc_count; + __entry->dn_holds = dn->dn_holds.rc_count; + __entry->dn_have_spill = dn->dn_have_spill; + + __entry->refcount = refcount; + __entry->dbufs = dbufs; + ), + TP_printk("dn { object %llu type %d bonuslen %u bonustype %u " + "nblkptr %u checksum %u compress %u nlevels %u indblkshift %u " + "datablkshift %u moved %u datablkszsec %u datablksz %u " + "maxblkid %llu tx_holds %lli holds %lli have_spill %d } " + "refcount %lli dbufs %u", + __entry->dn_object, __entry->dn_type, __entry->dn_bonuslen, + __entry->dn_bonustype, __entry->dn_nblkptr, __entry->dn_checksum, + __entry->dn_compress, __entry->dn_nlevels, __entry->dn_indblkshift, + __entry->dn_datablkshift, __entry->dn_moved, + __entry->dn_datablkszsec, __entry->dn_datablksz, + __entry->dn_maxblkid, __entry->dn_tx_holds, __entry->dn_holds, + __entry->dn_have_spill, __entry->refcount, __entry->dbufs) +); + +#define DEFINE_DNODE_MOVE_EVENT(name) \ +DEFINE_EVENT(zfs_dnode_move_class, name, \ + TP_PROTO(dnode_t *dn, int64_t refcount, uint32_t dbufs), \ + TP_ARGS(dn, refcount, dbufs)) +DEFINE_DNODE_MOVE_EVENT(zfs_dnode__move); + +#endif /* _TRACE_DNODE_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_dnode +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_multilist.h b/zfs/include/sys/trace_multilist.h new file mode 100644 index 000000000000..08e27a9119b7 --- /dev/null +++ b/zfs/include/sys/trace_multilist.h @@ -0,0 +1,79 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_multilist + +#if !defined(_TRACE_MULTILIST_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_MULTILIST_H + +#include +#include + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * multilist_t *, ..., + * unsigned int, ..., + * void *, ...); + */ + +DECLARE_EVENT_CLASS(zfs_multilist_insert_remove_class, + TP_PROTO(multilist_t *ml, unsigned sublist_idx, void *obj), + TP_ARGS(ml, sublist_idx, obj), + TP_STRUCT__entry( + __field(size_t, ml_offset) + __field(uint64_t, ml_num_sublists) + + __field(unsigned int, sublist_idx) + ), + TP_fast_assign( + __entry->ml_offset = ml->ml_offset; + __entry->ml_num_sublists = ml->ml_num_sublists; + + __entry->sublist_idx = sublist_idx; + ), + TP_printk("ml { offset %ld numsublists %llu sublistidx %u } ", + __entry->ml_offset, __entry->ml_num_sublists, __entry->sublist_idx) +); + +#define DEFINE_MULTILIST_INSERT_REMOVE_EVENT(name) \ +DEFINE_EVENT(zfs_multilist_insert_remove_class, name, \ + TP_PROTO(multilist_t *ml, unsigned int sublist_idx, void *obj), \ + TP_ARGS(ml, sublist_idx, obj)) +DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__insert); +DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__remove); + +#endif /* _TRACE_MULTILIST_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_multilist +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_txg.h b/zfs/include/sys/trace_txg.h new file mode 100644 index 000000000000..61d650984cd3 --- /dev/null +++ b/zfs/include/sys/trace_txg.h @@ -0,0 +1,75 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_txg + +#if !defined(_TRACE_TXG_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_TXG_H + +#include +#include + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * dsl_pool_t *, ..., + * uint64_t, ...); + */ + +DECLARE_EVENT_CLASS(zfs_txg_class, + TP_PROTO(dsl_pool_t *dp, uint64_t txg), + TP_ARGS(dp, txg), + TP_STRUCT__entry( + __field(uint64_t, txg) + ), + TP_fast_assign( + __entry->txg = txg; + ), + TP_printk("txg %llu", __entry->txg) +); + +#define DEFINE_TXG_EVENT(name) \ +DEFINE_EVENT(zfs_txg_class, name, \ + TP_PROTO(dsl_pool_t *dp, uint64_t txg), \ + TP_ARGS(dp, txg)) +DEFINE_TXG_EVENT(zfs_dsl_pool_sync__done); +DEFINE_TXG_EVENT(zfs_txg__quiescing); +DEFINE_TXG_EVENT(zfs_txg__opened); +DEFINE_TXG_EVENT(zfs_txg__syncing); +DEFINE_TXG_EVENT(zfs_txg__synced); +DEFINE_TXG_EVENT(zfs_txg__quiesced); + +#endif /* _TRACE_TXG_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_txg +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_zil.h b/zfs/include/sys/trace_zil.h new file mode 100644 index 000000000000..e97466fde5e3 --- /dev/null +++ b/zfs/include/sys/trace_zil.h @@ -0,0 +1,130 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_zil + +#if !defined(_TRACE_ZIL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ZIL_H + +#include +#include + +/* + * Generic support for one argument tracepoints of the form: + * + * DTRACE_PROBE1(..., + * zilog_t *, ...); + */ + +DECLARE_EVENT_CLASS(zfs_zil_class, + TP_PROTO(zilog_t *zilog), + TP_ARGS(zilog), + TP_STRUCT__entry( + __field(uint64_t, zl_lr_seq) + __field(uint64_t, zl_commit_lr_seq) + __field(uint64_t, zl_destroy_txg) + __field(uint64_t, zl_replaying_seq) + __field(uint32_t, zl_suspend) + __field(uint8_t, zl_suspending) + __field(uint8_t, zl_keep_first) + __field(uint8_t, zl_replay) + __field(uint8_t, zl_stop_sync) + __field(uint8_t, zl_writer) + __field(uint8_t, zl_logbias) + __field(uint8_t, zl_sync) + __field(int, zl_parse_error) + __field(uint64_t, zl_parse_blk_seq) + __field(uint64_t, zl_parse_lr_seq) + __field(uint64_t, zl_parse_blk_count) + __field(uint64_t, zl_parse_lr_count) + __field(uint64_t, zl_next_batch) + __field(uint64_t, zl_com_batch) + __field(uint64_t, zl_itx_list_sz) + __field(uint64_t, zl_cur_used) + __field(clock_t, zl_replay_time) + __field(uint64_t, zl_replay_blks) + ), + TP_fast_assign( + __entry->zl_lr_seq = zilog->zl_lr_seq; + __entry->zl_commit_lr_seq = zilog->zl_commit_lr_seq; + __entry->zl_destroy_txg = zilog->zl_destroy_txg; + __entry->zl_replaying_seq = zilog->zl_replaying_seq; + __entry->zl_suspend = zilog->zl_suspend; + __entry->zl_suspending = zilog->zl_suspending; + __entry->zl_keep_first = zilog->zl_keep_first; + __entry->zl_replay = zilog->zl_replay; + __entry->zl_stop_sync = zilog->zl_stop_sync; + __entry->zl_writer = zilog->zl_writer; + __entry->zl_logbias = zilog->zl_logbias; + __entry->zl_sync = zilog->zl_sync; + __entry->zl_parse_error = zilog->zl_parse_error; + __entry->zl_parse_blk_seq = zilog->zl_parse_blk_seq; + __entry->zl_parse_lr_seq = zilog->zl_parse_lr_seq; + __entry->zl_parse_blk_count = zilog->zl_parse_blk_count; + __entry->zl_parse_lr_count = zilog->zl_parse_lr_count; + __entry->zl_next_batch = zilog->zl_next_batch; + __entry->zl_com_batch = zilog->zl_com_batch; + __entry->zl_itx_list_sz = zilog->zl_itx_list_sz; + __entry->zl_cur_used = zilog->zl_cur_used; + __entry->zl_replay_time = zilog->zl_replay_time; + __entry->zl_replay_blks = zilog->zl_replay_blks; + ), + TP_printk("zl { lr_seq %llu commit_lr_seq %llu destroy_txg %llu " + "replaying_seq %llu suspend %u suspending %u keep_first %u " + "replay %u stop_sync %u writer %u logbias %u sync %u " + "parse_error %u parse_blk_seq %llu parse_lr_seq %llu " + "parse_blk_count %llu parse_lr_count %llu next_batch %llu " + "com_batch %llu itx_list_sz %llu cur_used %llu replay_time %lu " + "replay_blks %llu }", + __entry->zl_lr_seq, __entry->zl_commit_lr_seq, + __entry->zl_destroy_txg, __entry->zl_replaying_seq, + __entry->zl_suspend, __entry->zl_suspending, __entry->zl_keep_first, + __entry->zl_replay, __entry->zl_stop_sync, __entry->zl_writer, + __entry->zl_logbias, __entry->zl_sync, __entry->zl_parse_error, + __entry->zl_parse_blk_seq, __entry->zl_parse_lr_seq, + __entry->zl_parse_blk_count, __entry->zl_parse_lr_count, + __entry->zl_next_batch, __entry->zl_com_batch, + __entry->zl_itx_list_sz, __entry->zl_cur_used, + __entry->zl_replay_time, __entry->zl_replay_blks) +); + +#define DEFINE_ZIL_EVENT(name) \ +DEFINE_EVENT(zfs_zil_class, name, \ + TP_PROTO(zilog_t *zilog), \ + TP_ARGS(zilog)) +DEFINE_ZIL_EVENT(zfs_zil__cw1); +DEFINE_ZIL_EVENT(zfs_zil__cw2); + +#endif /* _TRACE_ZIL_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_zil +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/trace_zrlock.h b/zfs/include/sys/trace_zrlock.h new file mode 100644 index 000000000000..e1399c468a74 --- /dev/null +++ b/zfs/include/sys/trace_zrlock.h @@ -0,0 +1,87 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_zrlock + +#if !defined(_TRACE_ZRLOCK_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ZRLOCK_H + +#include +#include + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * zrlock_t *, ..., + * uint32_t, ...); + */ + +DECLARE_EVENT_CLASS(zfs_zrlock_class, + TP_PROTO(zrlock_t *zrl, uint32_t n), + TP_ARGS(zrl, n), + TP_STRUCT__entry( + __field(int32_t, refcount) +#ifdef ZFS_DEBUG + __field(pid_t, owner_pid) + __field(const char *, caller) +#endif + __field(uint32_t, n) + ), + TP_fast_assign( + __entry->refcount = zrl->zr_refcount; +#ifdef ZFS_DEBUG + __entry->owner_pid = zrl->zr_owner ? zrl->zr_owner->pid : 0; + __entry->caller = zrl->zr_caller; +#endif + __entry->n = n; + ), +#ifdef ZFS_DEBUG + TP_printk("zrl { refcount %d owner_pid %d caller %s } n %u", + __entry->refcount, __entry->owner_pid, __entry->caller, + __entry->n) +#else + TP_printk("zrl { refcount %d } n %u", + __entry->refcount, __entry->n) +#endif +); + +#define DEFINE_ZRLOCK_EVENT(name) \ +DEFINE_EVENT(zfs_zrlock_class, name, \ + TP_PROTO(zrlock_t *zrl, uint32_t n), \ + TP_ARGS(zrl, n)) +DEFINE_ZRLOCK_EVENT(zfs_zrlock__reentry); + +#endif /* _TRACE_ZRLOCK_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_zrlock +#include + +#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */ diff --git a/zfs/include/sys/txg.h b/zfs/include/sys/txg.h new file mode 100644 index 000000000000..44f81beca420 --- /dev/null +++ b/zfs/include/sys/txg.h @@ -0,0 +1,137 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_TXG_H +#define _SYS_TXG_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define TXG_CONCURRENT_STATES 3 /* open, quiescing, syncing */ +#define TXG_SIZE 4 /* next power of 2 */ +#define TXG_MASK (TXG_SIZE - 1) /* mask for size */ +#define TXG_INITIAL TXG_SIZE /* initial txg */ +#define TXG_IDX (txg & TXG_MASK) + +/* Number of txgs worth of frees we defer adding to in-core spacemaps */ +#define TXG_DEFER_SIZE 2 + +typedef struct tx_cpu tx_cpu_t; + +typedef struct txg_handle { + tx_cpu_t *th_cpu; + uint64_t th_txg; +} txg_handle_t; + +typedef struct txg_node { + struct txg_node *tn_next[TXG_SIZE]; + uint8_t tn_member[TXG_SIZE]; +} txg_node_t; + +typedef struct txg_list { + kmutex_t tl_lock; + size_t tl_offset; + txg_node_t *tl_head[TXG_SIZE]; +} txg_list_t; + +struct dsl_pool; + +extern void txg_init(struct dsl_pool *dp, uint64_t txg); +extern void txg_fini(struct dsl_pool *dp); +extern void txg_sync_start(struct dsl_pool *dp); +extern void txg_sync_stop(struct dsl_pool *dp); +extern uint64_t txg_hold_open(struct dsl_pool *dp, txg_handle_t *txghp); +extern void txg_rele_to_quiesce(txg_handle_t *txghp); +extern void txg_rele_to_sync(txg_handle_t *txghp); +extern void txg_register_callbacks(txg_handle_t *txghp, list_t *tx_callbacks); + +extern void txg_delay(struct dsl_pool *dp, uint64_t txg, hrtime_t delta, + hrtime_t resolution); +extern void txg_kick(struct dsl_pool *dp); + +/* + * Wait until the given transaction group has finished syncing. + * Try to make this happen as soon as possible (eg. kick off any + * necessary syncs immediately). If txg==0, wait for the currently open + * txg to finish syncing. + */ +extern void txg_wait_synced(struct dsl_pool *dp, uint64_t txg); + +/* + * Wait until the given transaction group, or one after it, is + * the open transaction group. Try to make this happen as soon + * as possible (eg. kick off any necessary syncs immediately). + * If txg == 0, wait for the next open txg. + */ +extern void txg_wait_open(struct dsl_pool *dp, uint64_t txg); + +/* + * Returns TRUE if we are "backed up" waiting for the syncing + * transaction to complete; otherwise returns FALSE. + */ +extern boolean_t txg_stalled(struct dsl_pool *dp); + +/* returns TRUE if someone is waiting for the next txg to sync */ +extern boolean_t txg_sync_waiting(struct dsl_pool *dp); + +/* + * Wait for pending commit callbacks of already-synced transactions to finish + * processing. + */ +extern void txg_wait_callbacks(struct dsl_pool *dp); + +/* + * Per-txg object lists. + */ + +#define TXG_CLEAN(txg) ((txg) - 1) + +extern void txg_list_create(txg_list_t *tl, size_t offset); +extern void txg_list_destroy(txg_list_t *tl); +extern boolean_t txg_list_empty(txg_list_t *tl, uint64_t txg); +extern boolean_t txg_all_lists_empty(txg_list_t *tl); +extern boolean_t txg_list_add(txg_list_t *tl, void *p, uint64_t txg); +extern boolean_t txg_list_add_tail(txg_list_t *tl, void *p, uint64_t txg); +extern void *txg_list_remove(txg_list_t *tl, uint64_t txg); +extern void *txg_list_remove_this(txg_list_t *tl, void *p, uint64_t txg); +extern boolean_t txg_list_member(txg_list_t *tl, void *p, uint64_t txg); +extern void *txg_list_head(txg_list_t *tl, uint64_t txg); +extern void *txg_list_next(txg_list_t *tl, void *p, uint64_t txg); + +/* Global tuning */ +extern int zfs_txg_timeout; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_TXG_H */ diff --git a/zfs/include/sys/txg_impl.h b/zfs/include/sys/txg_impl.h new file mode 100644 index 000000000000..e583d61eac2f --- /dev/null +++ b/zfs/include/sys/txg_impl.h @@ -0,0 +1,124 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_TXG_IMPL_H +#define _SYS_TXG_IMPL_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The tx_cpu structure is a per-cpu structure that is used to track + * the number of active transaction holds (tc_count). As transactions + * are assigned into a transaction group the appropriate tc_count is + * incremented to indicate that there are pending changes that have yet + * to quiesce. Consumers evenutally call txg_rele_to_sync() to decrement + * the tc_count. A transaction group is not considered quiesced until all + * tx_cpu structures have reached a tc_count of zero. + * + * This structure is a per-cpu structure by design. Updates to this structure + * are frequent and concurrent. Having a single structure would result in + * heavy lock contention so a per-cpu design was implemented. With the fanned + * out mutex design, consumers only need to lock the mutex associated with + * thread's cpu. + * + * The tx_cpu contains two locks, the tc_lock and tc_open_lock. + * The tc_lock is used to protect all members of the tx_cpu structure with + * the exception of the tc_open_lock. This lock should only be held for a + * short period of time, typically when updating the value of tc_count. + * + * The tc_open_lock protects the tx_open_txg member of the tx_state structure. + * This lock is used to ensure that transactions are only assigned into + * the current open transaction group. In order to move the current open + * transaction group to the quiesce phase, the txg_quiesce thread must + * grab all tc_open_locks, increment the tx_open_txg, and drop the locks. + * The tc_open_lock is held until the transaction is assigned into the + * transaction group. Typically, this is a short operation but if throttling + * is occuring it may be held for longer periods of time. + */ +struct tx_cpu { + kmutex_t tc_open_lock; /* protects tx_open_txg */ + kmutex_t tc_lock; /* protects the rest of this struct */ + kcondvar_t tc_cv[TXG_SIZE]; + uint64_t tc_count[TXG_SIZE]; /* tx hold count on each txg */ + list_t tc_callbacks[TXG_SIZE]; /* commit cb list */ + char tc_pad[8]; /* pad to fill 3 cache lines */ +}; + +/* + * The tx_state structure maintains the state information about the different + * stages of the pool's transcation groups. A per pool tx_state structure + * is used to track this information. The tx_state structure also points to + * an array of tx_cpu structures (described above). Although the tx_sync_lock + * is used to protect the members of this structure, it is not used to + * protect the tx_open_txg. Instead a special lock in the tx_cpu structure + * is used. Readers of tx_open_txg must grab the per-cpu tc_open_lock. + * Any thread wishing to update tx_open_txg must grab the tc_open_lock on + * every cpu (see txg_quiesce()). + */ +typedef struct tx_state { + tx_cpu_t *tx_cpu; /* protects access to tx_open_txg */ + kmutex_t tx_sync_lock; /* protects the rest of this struct */ + + uint64_t tx_open_txg; /* currently open txg id */ + uint64_t tx_quiesced_txg; /* quiesced txg waiting for sync */ + uint64_t tx_syncing_txg; /* currently syncing txg id */ + uint64_t tx_synced_txg; /* last synced txg id */ + + hrtime_t tx_open_time; /* start time of tx_open_txg */ + + uint64_t tx_sync_txg_waiting; /* txg we're waiting to sync */ + uint64_t tx_quiesce_txg_waiting; /* txg we're waiting to open */ + + kcondvar_t tx_sync_more_cv; + kcondvar_t tx_sync_done_cv; + kcondvar_t tx_quiesce_more_cv; + kcondvar_t tx_quiesce_done_cv; + kcondvar_t tx_timeout_cv; + kcondvar_t tx_exit_cv; /* wait for all threads to exit */ + + uint8_t tx_threads; /* number of threads */ + uint8_t tx_exiting; /* set when we're exiting */ + + kthread_t *tx_sync_thread; + kthread_t *tx_quiesce_thread; + + taskq_t *tx_commit_cb_taskq; /* commit callback taskq */ +} tx_state_t; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_TXG_IMPL_H */ diff --git a/zfs/include/sys/u8_textprep.h b/zfs/include/sys/u8_textprep.h new file mode 100644 index 000000000000..f8b5bed6e420 --- /dev/null +++ b/zfs/include/sys/u8_textprep.h @@ -0,0 +1,113 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_U8_TEXTPREP_H +#define _SYS_U8_TEXTPREP_H + + + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Unicode encoding conversion functions and their macros. + */ +#define UCONV_IN_BIG_ENDIAN 0x0001 +#define UCONV_OUT_BIG_ENDIAN 0x0002 +#define UCONV_IN_SYSTEM_ENDIAN 0x0004 +#define UCONV_OUT_SYSTEM_ENDIAN 0x0008 +#define UCONV_IN_LITTLE_ENDIAN 0x0010 +#define UCONV_OUT_LITTLE_ENDIAN 0x0020 +#define UCONV_IGNORE_NULL 0x0040 +#define UCONV_IN_ACCEPT_BOM 0x0080 +#define UCONV_OUT_EMIT_BOM 0x0100 + +extern int uconv_u16tou32(const uint16_t *, size_t *, uint32_t *, size_t *, + int); +extern int uconv_u16tou8(const uint16_t *, size_t *, uchar_t *, size_t *, int); +extern int uconv_u32tou16(const uint32_t *, size_t *, uint16_t *, size_t *, + int); +extern int uconv_u32tou8(const uint32_t *, size_t *, uchar_t *, size_t *, int); +extern int uconv_u8tou16(const uchar_t *, size_t *, uint16_t *, size_t *, int); +extern int uconv_u8tou32(const uchar_t *, size_t *, uint32_t *, size_t *, int); + +/* + * UTF-8 text preparation functions and their macros. + * + * Among the macros defined, U8_CANON_DECOMP, U8_COMPAT_DECOMP, and + * U8_CANON_COMP are not public interfaces and must not be used directly + * at the flag input argument. + */ +#define U8_STRCMP_CS (0x00000001) +#define U8_STRCMP_CI_UPPER (0x00000002) +#define U8_STRCMP_CI_LOWER (0x00000004) + +#define U8_CANON_DECOMP (0x00000010) +#define U8_COMPAT_DECOMP (0x00000020) +#define U8_CANON_COMP (0x00000040) + +#define U8_STRCMP_NFD (U8_CANON_DECOMP) +#define U8_STRCMP_NFC (U8_CANON_DECOMP | U8_CANON_COMP) +#define U8_STRCMP_NFKD (U8_COMPAT_DECOMP) +#define U8_STRCMP_NFKC (U8_COMPAT_DECOMP | U8_CANON_COMP) + +#define U8_TEXTPREP_TOUPPER (U8_STRCMP_CI_UPPER) +#define U8_TEXTPREP_TOLOWER (U8_STRCMP_CI_LOWER) + +#define U8_TEXTPREP_NFD (U8_STRCMP_NFD) +#define U8_TEXTPREP_NFC (U8_STRCMP_NFC) +#define U8_TEXTPREP_NFKD (U8_STRCMP_NFKD) +#define U8_TEXTPREP_NFKC (U8_STRCMP_NFKC) + +#define U8_TEXTPREP_IGNORE_NULL (0x00010000) +#define U8_TEXTPREP_IGNORE_INVALID (0x00020000) +#define U8_TEXTPREP_NOWAIT (0x00040000) + +#define U8_UNICODE_320 (0) +#define U8_UNICODE_500 (1) +#define U8_UNICODE_LATEST (U8_UNICODE_500) + +#define U8_VALIDATE_ENTIRE (0x00100000) +#define U8_VALIDATE_CHECK_ADDITIONAL (0x00200000) +#define U8_VALIDATE_UCS2_RANGE (0x00400000) + +#define U8_ILLEGAL_CHAR (-1) +#define U8_OUT_OF_RANGE_CHAR (-2) + +extern int u8_validate(char *, size_t, char **, int, int *); +extern int u8_strcmp(const char *, const char *, size_t, int, size_t, int *); +extern size_t u8_textprep_str(char *, size_t *, char *, size_t *, int, size_t, + int *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_U8_TEXTPREP_H */ diff --git a/zfs/include/sys/u8_textprep_data.h b/zfs/include/sys/u8_textprep_data.h new file mode 100644 index 000000000000..03f71f26c9e1 --- /dev/null +++ b/zfs/include/sys/u8_textprep_data.h @@ -0,0 +1,35376 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * COPYRIGHT AND PERMISSION NOTICE + * + * Copyright (c) 1991-2006 Unicode, Inc. All rights reserved. Distributed under + * the Terms of Use in http://www.unicode.org/copyright.html. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of the Unicode data files and any associated documentation (the + * "Data Files") or Unicode software and any associated documentation (the + * "Software") to deal in the Data Files or Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Data Files or Software, and + * to permit persons to whom the Data Files or Software are furnished to do so, + * provided that (a) the above copyright notice(s) and this permission notice + * appear with all copies of the Data Files or Software, (b) both the above + * copyright notice(s) and this permission notice appear in associated + * documentation, and (c) there is clear notice in each modified Data File or + * in the Software as well as in the documentation associated with the Data + * File(s) or Software that the data or software has been modified. + * + * THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY + * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF + * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS + * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR + * CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THE DATA FILES OR SOFTWARE. + * + * Except as contained in this notice, the name of a copyright holder shall not + * be used in advertising or otherwise to promote the sale, use or other + * dealings in these Data Files or Software without prior written authorization + * of the copyright holder. + * + * Unicode and the Unicode logo are trademarks of Unicode, Inc., and may be + * registered in some jurisdictions. All other trademarks and registered + * trademarks mentioned herein are the property of their respective owners. + */ +/* + * This file has been modified by Sun Microsystems, Inc. + */ + +#ifndef _SYS_U8_TEXTPREP_DATA_H +#define _SYS_U8_TEXTPREP_DATA_H + + + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * To get to the combining class data, composition mappings, decomposition + * mappings, and case conversion mappings of Unicode, the data structures + * formulated and their meanings are like the following: + * + * Each UTF-8 character is seen as a 4-byte entity so that U+0061 (or 0x61 in + * UTF-8) would be seen as 0x00 0x00 0x00 0x61. Similarly, U+1D15E would be + * 0xF0 0x9D 0x85 0x9E in UTF-8. + * + * The first byte (MSB) value is an index to the b1_tbl, such as + * u8_common_b1_tbl and u8_composition_b1_tbl tables. A b1_tbl has + * indices to b2_tbl tables that have indices to b3_tbl. Each b3_tbl has + * either indices to b4_tbl or indices to b4_tbl and base values for + * displacement calculations later by using the u8_displacement_t type at + * below. Each b4_tbl table then has indices to the final tables. + * + * As an example, if we have a character with code value of U+1D15E which is + * 0xF0 0x9D 0x85 0x9E in UTF-8, the target decomposition character bytes + * that will be mapped by the mapping procedure would be the ones between + * the start_index and the end_index computed as like the following: + * + * b2_tbl_id = u8_common_b1_tbl[0][0xF0]; + * b3_tbl_id = u8_decomp_b2_tbl[0][b2_tbl_id][0x9D]; + * b4_tbl_id = u8_decomp_b3_tbl[0][b3_tbl_id][0x85].tbl_id; + * b4_base = u8_decomp_b3_tbl[0][b3_tbl_id][0x85].base; + * if (b4_tbl_id >= 0x8000) { + * b4_tbl_id -= 0x8000; + * start_index = u8_decomp_b4_16bit_tbl[0][b4_tbl_id][0x9E]; + * end_index = u8_decomp_b4_16bit_tbl[0][b4_tbl_id][0x9E + 1]; + * } else { + * start_index = u8_decomp_b4_tbl[0][b4_tbl_id][0x9E]; + * end_index = u8_decomp_b4_tbl[0][b4_tbl_id][0x9E + 1]; + * } + * + * The start_index and the end_index can be used to retrieve the bytes + * possibly of multiple UTF-8 characters from the final tables. + * + * The "[0]" at the above indicates this is for Unicode Version 3.2.0 data + * as of today. Consequently, the "[1]" indicates another Unicode version + * data and it is Unicode 5.0.0 as of today. + * + * The mapping procedures and the data structures are more or less similar or + * alike among different mappings. You might want to read the u8_textprep.c + * for specific details. + * + * The tool programs created and used to generate the tables in this file are + * saved at PSARC/2007/149/materials/ as tools.tar.gz file. + */ + +/* The following is a component type for the b4_tbl vectors. */ +typedef struct { + uint16_t tbl_id; + uint16_t base; +} u8_displacement_t; + +/* + * The U8_TBL_ELEMENT_NOT_DEF macro indicates a byte that is not defined or + * used. The U8_TBL_ELEMENT_FILLER indicates the end of a UTF-8 character at + * the final tables. + */ +#define U8_TBL_ELEMENT_NOT_DEF (0xff) +#define N_ U8_TBL_ELEMENT_NOT_DEF + +#define U8_TBL_ELEMENT_FILLER (0xf7) +#define FIL_ U8_TBL_ELEMENT_FILLER + +/* + * The common b1_tbl for combining class, decompositions, tolower, and + * toupper case conversion mappings. + */ +static const uchar_t u8_common_b1_tbl[2][256] = { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, +}; + +static const uchar_t u8_combining_class_b2_tbl[2][2][256] = { + { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, 2, 3, 4, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 5, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, 6, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, 2, 3, 4, N_, N_, N_, N_, + N_, N_, 5, N_, N_, N_, N_, 6, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 7, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, 8, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + +}; + +static const uchar_t u8_combining_class_b3_tbl[2][9][256] = { + { + { /* Third byte table 0. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 0, 1, N_, N_, + N_, N_, 2, N_, N_, N_, 3, 4, + N_, 5, N_, 6, 7, 8, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 1. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 18, N_, 19, + N_, 20, N_, 21, N_, 22, N_, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 2. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 32, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 33, N_, N_, 34, + N_, N_, 35, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 3. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, 36, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 4. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 37, N_, 38, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 5. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 39, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 40, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 6. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, 41, 42, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 7. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 8. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + }, + { + { /* Third byte table 0. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 0, 1, N_, N_, + N_, N_, 2, N_, N_, N_, 3, 4, + 5, 6, N_, 7, 8, 9, N_, 10, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 1. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, N_, 21, + N_, 22, 23, 24, N_, 25, N_, 26, + 27, 28, 29, 30, 31, 32, 33, 34, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 2. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 35, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, 36, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 37, N_, N_, 38, + N_, N_, 39, N_, 40, N_, N_, N_, + 41, N_, N_, N_, 42, 43, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 44, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 3. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, 45, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 4. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 46, N_, 47, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 5. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 48, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 6. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, 49, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 50, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 7. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 51, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { /* Third byte table 8. */ + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, 52, 53, N_, + N_, 54, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + }, +}; + +/* + * Unlike other b4_tbl, the b4_tbl for combining class data has + * the combining class values not indices to the final tables. + */ +static const uchar_t u8_combining_class_b4_tbl[2][55][256] = { + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 230, 230, 230, 230, 230, 230, + 230, 230, 230, 230, 230, 230, 230, 230, + 230, 230, 230, 230, 230, 232, 220, 220, + 220, 220, 232, 216, 220, 220, 220, 220, + 220, 202, 202, 220, 220, 220, 220, 202, + 202, 220, 220, 220, 220, 220, 220, 220, + 220, 220, 220, 220, 1, 1, 1, 1, + 1, 220, 220, 220, 220, 230, 230, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 230, 230, 230, 240, 230, 220, + 220, 220, 230, 230, 230, 220, 220, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 234, 234, 233, 230, 230, 230, 230, 230, + 230, 230, 230, 230, 230, 230, 230, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 230, 230, 230, 230, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 220, 230, 230, 230, 230, 220, 230, + 230, 230, 222, 220, 230, 230, 230, 230, + 230, 230, 0, 220, 220, 220, 220, 220, + 230, 230, 220, 230, 230, 222, 228, 230, + 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 0, 20, 21, 22, 0, 23, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 24, 25, 0, 230, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 27, 28, 29, 30, 31, + 32, 33, 34, 230, 230, 220, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 35, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 230, 230, + 230, 230, 230, 230, 230, 0, 0, 230, + 230, 230, 230, 220, 230, 0, 0, 230, + 230, 0, 220, 230, 230, 220, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 36, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 220, 230, 230, 220, 230, 230, 220, + 220, 220, 230, 220, 220, 230, 220, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 220, 230, 220, 230, 220, 230, + 220, 230, 230, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 230, 220, 230, 230, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 84, 91, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 103, 103, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 107, 107, 107, 107, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 118, 118, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 122, 122, 122, 122, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 220, 220, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 220, 0, 220, + 0, 216, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 129, 130, 0, 132, 0, 0, 0, + 0, 0, 130, 130, 130, 130, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 130, 0, 230, 230, 9, 0, 230, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 220, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 0, 9, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 9, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 9, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 228, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 1, 1, 230, 230, 230, 230, + 1, 1, 1, 230, 230, 0, 0, 0, + 0, 230, 0, 0, 0, 1, 1, 230, + 220, 230, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 218, 228, 232, 222, 224, 224, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 8, 8, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 39. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 26, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 40. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 230, 230, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 41. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 216, 216, 1, + 1, 1, 0, 0, 0, 226, 216, 216, + 216, 216, 216, 0, 0, 0, 0, 0, + 0, 0, 0, 220, 220, 220, 220, 220, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 42. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 220, 220, 220, 0, 0, 230, 230, 230, + 230, 230, 220, 220, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 230, 230, 230, 230, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 43. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 44. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 45. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 46. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 47. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 48. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 49. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 50. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 51. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 52. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 53. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 54. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + }, + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 230, 230, 230, 230, 230, 230, + 230, 230, 230, 230, 230, 230, 230, 230, + 230, 230, 230, 230, 230, 232, 220, 220, + 220, 220, 232, 216, 220, 220, 220, 220, + 220, 202, 202, 220, 220, 220, 220, 202, + 202, 220, 220, 220, 220, 220, 220, 220, + 220, 220, 220, 220, 1, 1, 1, 1, + 1, 220, 220, 220, 220, 230, 230, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 230, 230, 230, 240, 230, 220, + 220, 220, 230, 230, 230, 220, 220, 0, + 230, 230, 230, 220, 220, 220, 220, 230, + 232, 220, 220, 230, 233, 234, 234, 233, + 234, 234, 233, 230, 230, 230, 230, 230, + 230, 230, 230, 230, 230, 230, 230, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 230, 230, 230, 230, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 220, 230, 230, 230, 230, 220, 230, + 230, 230, 222, 220, 230, 230, 230, 230, + 230, 230, 220, 220, 220, 220, 220, 220, + 230, 230, 220, 230, 230, 222, 228, 230, + 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 19, 20, 21, 22, 0, 23, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 24, 25, 0, 230, 220, 0, 18, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 230, 230, 230, 230, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 27, 28, 29, 30, 31, + 32, 33, 34, 230, 230, 220, 220, 230, + 230, 230, 230, 230, 220, 230, 230, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 35, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 230, 230, + 230, 230, 230, 230, 230, 0, 0, 230, + 230, 230, 230, 220, 230, 0, 0, 230, + 230, 0, 220, 230, 230, 220, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 36, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 220, 230, 230, 220, 230, 230, 220, + 220, 220, 230, 220, 220, 230, 220, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 220, 230, 220, 230, 220, 230, + 220, 230, 230, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 230, 230, 230, 230, 230, + 230, 230, 220, 230, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 230, 220, 230, 230, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 84, 91, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 103, 103, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 107, 107, 107, 107, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 118, 118, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 122, 122, 122, 122, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 220, 220, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 220, 0, 220, + 0, 216, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 129, 130, 0, 132, 0, 0, 0, + 0, 0, 130, 130, 130, 130, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 130, 0, 230, 230, 9, 0, 230, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 220, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 0, 9, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 9, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 9, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 230, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 39. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 228, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 40. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 222, 230, 220, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 41. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 230, + 220, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 42. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 43. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 9, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 230, 220, 230, 230, 230, + 230, 230, 230, 230, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 44. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 220, 230, 230, 230, 230, 230, + 230, 230, 220, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 230, 220, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 45. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 1, 1, 230, 230, 230, 230, + 1, 1, 1, 230, 230, 0, 0, 0, + 0, 230, 0, 0, 0, 1, 1, 230, + 220, 230, 1, 1, 220, 220, 220, 220, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 46. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 218, 228, 232, 222, 224, 224, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 47. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 8, 8, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 48. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 9, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 49. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 26, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 50. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 230, 230, 230, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 51. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 220, 0, 230, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 230, 1, 220, 0, 0, 0, 0, 9, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 52. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 216, 216, 1, + 1, 1, 0, 0, 0, 226, 216, 216, + 216, 216, 216, 0, 0, 0, 0, 0, + 0, 0, 0, 220, 220, 220, 220, 220, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 53. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 220, 220, 220, 0, 0, 230, 230, 230, + 230, 230, 220, 220, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 230, 230, 230, 230, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + { /* Fourth byte table 54. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 230, 230, 230, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + }, + }, +}; + +static const uchar_t u8_composition_b1_tbl[2][256] = { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, +}; + +static const uchar_t u8_composition_b2_tbl[2][1][256] = { + { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, 2, 3, 4, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, 2, 3, 4, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + +}; + +static const u8_displacement_t u8_composition_b3_tbl[2][5][256] = { + { + { /* Third byte table 0. */ + { 0x8000, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 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{ N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + { /* Third byte table 1. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 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N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 33, 5783 }, + { 34, 5807 }, { 35, 5831 }, { 36, 5879 }, + { 37, 5999 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + { /* Third byte table 4. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { 38, 6111 }, { 39, 6340 }, { 40, 6457 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + }, +}; + +static const uchar_t u8_composition_b4_tbl[2][41][257] = { + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 29, 58, 58, 58, 58, + 58, 58, 58, 58, 58, 58, 58, 58, + 58, 58, 58, 73, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 15, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 38, 46, 46, 46, 46, + 46, 54, 62, 62, 62, 62, 62, 62, + 62, 70, 78, 86, 94, 94, 94, 94, + 94, 94, 94, 94, 94, 94, 94, 94, + 94, 94, 94, 94, 94, 94, 94, 94, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 36, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 108, 144, 144, 144, 144, 144, 144, 144, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 14, 22, 30, 30, 30, 30, 30, 37, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 15, 15, 15, 15, 70, 70, + 70, 70, 112, 133, 154, 154, 154, 162, + 162, 162, 162, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 20, 20, 20, 27, 27, 46, 59, + 66, 91, 91, 98, 98, 98, 98, 105, + 105, 105, 105, 105, 130, 130, 130, 130, + 137, 137, 137, 137, 144, 144, 151, 151, + 151, 164, 164, 164, 171, 171, 190, 203, + 210, 235, 235, 242, 242, 242, 242, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 25, 25, 25, 25, + 32, 32, 32, 32, 39, 39, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 53, + 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 60, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 21, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 14, 14, 14, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 9, 9, 9, 9, 9, 9, 9, + 9, 18, 18, 18, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 17, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 25, + 25, 25, 25, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 17, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 25, 25, 25, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 8, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 8, 16, 16, 16, 16, + 16, 16, 16, 24, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 38, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 8, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 16, + 16, 16, 16, 16, 16, 16, 16, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 8, 8, 16, 16, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 8, 8, 16, 16, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 8, 8, 8, 8, + 8, 16, 16, 16, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 32, 32, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 8, 8, 16, 16, + 16, 24, 24, 24, 24, 24, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 40, 40, 40, 48, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 64, 72, 72, 72, 80, + 88, 88, 88, 96, 104, 112, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 8, 16, 16, 16, 24, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 40, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 56, 56, 56, 56, 56, + 56, 64, 72, 72, 80, 80, 80, 80, + 80, 80, 80, 88, 96, 104, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 9, + 9, 9, 9, 9, 18, 18, 27, 27, + 36, 36, 45, 45, 54, 54, 63, 63, + 72, 72, 81, 81, 90, 90, 99, 99, + 108, 108, 117, 117, 117, 126, 126, 135, + 135, 144, 144, 144, 144, 144, 144, 144, + 161, 161, 161, 178, 178, 178, 195, 195, + 195, 212, 212, 212, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 18, + 18, 18, 18, 18, 27, 27, 36, 36, + 45, 45, 54, 54, 63, 63, 72, 72, + 81, 81, 90, 90, 99, 99, 108, 108, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 9, 9, 9, 18, 18, 27, + 27, 36, 36, 36, 36, 36, 36, 36, + 53, 53, 53, 70, 70, 70, 87, 87, + 87, 104, 104, 104, 121, 121, 121, 121, + 121, 121, 121, 121, 121, 121, 121, 121, + 121, 121, 121, 121, 121, 121, 121, 121, + 130, 139, 148, 157, 157, 157, 157, 157, + 157, 157, 157, 157, 157, 157, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, + }, + { /* Fourth byte table 39. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 40. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + }, + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 29, 58, 58, 58, 58, + 58, 58, 58, 58, 58, 58, 58, 58, + 58, 58, 58, 73, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 15, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 38, 46, 46, 46, 46, + 46, 54, 62, 62, 62, 62, 62, 62, + 62, 70, 78, 86, 94, 94, 94, 94, + 94, 94, 94, 94, 94, 94, 94, 94, + 94, 94, 94, 94, 94, 94, 94, 94, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, + 102, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 36, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 108, 144, 144, 144, 144, 144, 144, 144, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, 151, 151, 151, 151, 151, 151, 151, + 151, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 14, 22, 30, 30, 30, 30, 30, 37, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 15, 15, 15, 15, 70, 70, + 70, 70, 112, 133, 154, 154, 154, 162, + 162, 162, 162, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 20, 20, 20, 27, 27, 46, 59, + 66, 91, 91, 98, 98, 98, 98, 105, + 105, 105, 105, 105, 130, 130, 130, 130, + 137, 137, 137, 137, 144, 144, 151, 151, + 151, 164, 164, 164, 171, 171, 190, 203, + 210, 235, 235, 242, 242, 242, 242, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 249, 249, 249, + 249, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 25, 25, 25, 25, + 32, 32, 32, 32, 39, 39, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 53, + 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 60, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 21, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 14, 14, 14, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 9, 9, 9, 9, 9, 9, 9, + 9, 18, 18, 18, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 17, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 25, + 25, 25, 25, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 17, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 25, 25, 25, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, + 34, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 9, 9, + 18, 18, 27, 27, 36, 36, 45, 45, + 45, 45, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 63, 63, 72, 72, 81, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 8, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 8, 16, 16, 16, 16, + 16, 16, 16, 24, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 38, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 8, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 16, + 16, 16, 16, 16, 16, 16, 16, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 8, 8, 16, 16, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 8, 8, 16, 16, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 8, 8, 8, 8, + 8, 16, 16, 16, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 32, 32, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 8, 8, 16, 16, + 16, 24, 24, 24, 24, 24, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 40, 40, 40, 48, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 64, 72, 72, 72, 80, + 88, 88, 88, 96, 104, 112, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 120, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 8, 16, 16, 16, 24, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 40, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 56, 56, 56, 56, 56, + 56, 64, 72, 72, 80, 80, 80, 80, + 80, 80, 80, 88, 96, 104, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 9, + 9, 9, 9, 9, 18, 18, 27, 27, + 36, 36, 45, 45, 54, 54, 63, 63, + 72, 72, 81, 81, 90, 90, 99, 99, + 108, 108, 117, 117, 117, 126, 126, 135, + 135, 144, 144, 144, 144, 144, 144, 144, + 161, 161, 161, 178, 178, 178, 195, 195, + 195, 212, 212, 212, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 229, + 229, + }, + { /* Fourth byte table 39. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 18, + 18, 18, 18, 18, 27, 27, 36, 36, + 45, 45, 54, 54, 63, 63, 72, 72, + 81, 81, 90, 90, 99, 99, 108, 108, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, 117, 117, 117, 117, 117, 117, 117, + 117, + }, + { /* Fourth byte table 40. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 9, 9, 9, 18, 18, 27, + 27, 36, 36, 36, 36, 36, 36, 36, + 53, 53, 53, 70, 70, 70, 87, 87, + 87, 104, 104, 104, 121, 121, 121, 121, + 121, 121, 121, 121, 121, 121, 121, 121, + 121, 121, 121, 121, 121, 121, 121, 121, + 130, 139, 148, 157, 157, 157, 157, 157, + 157, 157, 157, 157, 157, 157, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 166, 166, 166, + 166, + }, + }, +}; + +static const uint16_t u8_composition_b4_16bit_tbl[2][5][257] = { + { + { /* Fourth byte 16-bit table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 8, 16, 24, + 24, 24, 124, 146, 177, 219, 327, 335, + 379, 427, 521, 528, 562, 602, 624, 683, + 782, 797, 797, 849, 894, 941, 1061, 1076, + 1118, 1133, 1193, 1233, 1233, 1233, 1233, 1233, + 1233, 1233, 1333, 1355, 1386, 1428, 1536, 1544, + 1588, 1643, 1731, 1744, 1778, 1818, 1840, 1899, + 1998, 2013, 2013, 2065, 2110, 2164, 2284, 2299, + 2348, 2363, 2430, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, + }, + { /* Fourth byte 16-bit table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 29, 29, 36, 43, 56, + 64, 64, 64, 93, 93, 93, 93, 93, + 101, 101, 101, 101, 101, 130, 151, 158, + 158, 165, 165, 165, 165, 190, 190, 190, + 190, 190, 190, 219, 219, 226, 233, 246, + 254, 254, 254, 283, 283, 283, 283, 283, + 291, 291, 291, 291, 291, 320, 341, 348, + 348, 355, 355, 355, 355, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, + }, + { /* Fourth byte 16-bit table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 49, 49, 49, 49, 77, 77, + 112, 112, 160, 160, 160, 160, 160, 160, + 188, 188, 196, 196, 196, 196, 237, 237, + 237, 237, 272, 272, 272, 280, 280, 288, + 288, 288, 344, 344, 344, 344, 372, 372, + 414, 414, 469, 469, 469, 469, 469, 469, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, + }, + { /* Fourth byte 16-bit table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 29, 58, 66, 74, 82, 90, 98, + 106, 135, 164, 172, 180, 188, 196, 204, + 212, 227, 242, 242, 242, 242, 242, 242, + 242, 257, 272, 272, 272, 272, 272, 272, + 272, 301, 330, 338, 346, 354, 362, 370, + 378, 407, 436, 444, 452, 460, 468, 476, + 484, 506, 528, 528, 528, 528, 528, 528, + 528, 550, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, + }, + { /* Fourth byte 16-bit table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 30, 30, 30, 30, 30, 30, + 30, 45, 60, 60, 60, 60, 60, 60, + 60, 82, 104, 104, 104, 104, 104, 104, + 104, 104, 126, 126, 126, 126, 126, 126, + 126, 155, 184, 192, 200, 208, 216, 224, + 232, 261, 290, 298, 306, 314, 322, 330, + 338, 346, 346, 346, 346, 354, 354, 354, + 354, 354, 354, 354, 354, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, + }, + }, + { + { /* Fourth byte 16-bit table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 8, 16, 24, + 24, 24, 124, 146, 177, 219, 327, 335, + 379, 427, 521, 528, 562, 602, 624, 683, + 782, 797, 797, 849, 894, 941, 1061, 1076, + 1118, 1133, 1193, 1233, 1233, 1233, 1233, 1233, + 1233, 1233, 1333, 1355, 1386, 1428, 1536, 1544, + 1588, 1643, 1731, 1744, 1778, 1818, 1840, 1899, + 1998, 2013, 2013, 2065, 2110, 2164, 2284, 2299, + 2348, 2363, 2430, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, 2470, 2470, 2470, 2470, 2470, 2470, 2470, + 2470, + }, + { /* Fourth byte 16-bit table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 29, 29, 36, 43, 56, + 64, 64, 64, 93, 93, 93, 93, 93, + 101, 101, 101, 101, 101, 130, 151, 158, + 158, 165, 165, 165, 165, 190, 190, 190, + 190, 190, 190, 219, 219, 226, 233, 246, + 254, 254, 254, 283, 283, 283, 283, 283, + 291, 291, 291, 291, 291, 320, 341, 348, + 348, 355, 355, 355, 355, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, 380, 380, 380, 380, 380, 380, 380, + 380, + }, + { /* Fourth byte 16-bit table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 49, 49, 49, 49, 77, 77, + 112, 112, 160, 160, 160, 160, 160, 160, + 188, 188, 196, 196, 196, 196, 237, 237, + 237, 237, 272, 272, 272, 280, 280, 288, + 288, 288, 344, 344, 344, 344, 372, 372, + 414, 414, 469, 469, 469, 469, 469, 469, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, 497, 497, 497, 497, 497, 497, 497, + 497, + }, + { /* Fourth byte 16-bit table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 29, 58, 66, 74, 82, 90, 98, + 106, 135, 164, 172, 180, 188, 196, 204, + 212, 227, 242, 242, 242, 242, 242, 242, + 242, 257, 272, 272, 272, 272, 272, 272, + 272, 301, 330, 338, 346, 354, 362, 370, + 378, 407, 436, 444, 452, 460, 468, 476, + 484, 506, 528, 528, 528, 528, 528, 528, + 528, 550, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, 572, 572, 572, 572, 572, 572, 572, + 572, + }, + { /* Fourth byte 16-bit table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 30, 30, 30, 30, 30, 30, + 30, 45, 60, 60, 60, 60, 60, 60, + 60, 82, 104, 104, 104, 104, 104, 104, + 104, 104, 126, 126, 126, 126, 126, 126, + 126, 155, 184, 192, 200, 208, 216, 224, + 232, 261, 290, 298, 306, 314, 322, 330, + 338, 346, 346, 346, 346, 354, 354, 354, + 354, 354, 354, 354, 354, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, 362, 362, 362, 362, 362, 362, 362, + 362, + }, + }, +}; + +static const uchar_t u8_composition_final_tbl[2][6623] = { + { + 0x01, 0xCC, 0xB8, FIL_, 0xE2, 0x89, 0xAE, FIL_, + 0x01, 0xCC, 0xB8, FIL_, 0xE2, 0x89, 0xA0, FIL_, + 0x01, 0xCC, 0xB8, FIL_, 0xE2, 0x89, 0xAF, FIL_, + 0x10, 0xCC, 0x86, FIL_, 0xC4, 0x82, FIL_, 0xCC, + 0x87, FIL_, 0xC8, 0xA6, FIL_, 0xCC, 0x8F, FIL_, + 0xC8, 0x80, FIL_, 0xCC, 0x82, FIL_, 0xC3, 0x82, + FIL_, 0xCC, 0x81, FIL_, 0xC3, 0x81, FIL_, 0xCC, + 0x80, FIL_, 0xC3, 0x80, FIL_, 0xCC, 0x83, FIL_, + 0xC3, 0x83, FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xBA, + 0xA0, FIL_, 0xCC, 0xA5, FIL_, 0xE1, 0xB8, 0x80, + FIL_, 0xCC, 0x91, FIL_, 0xC8, 0x82, FIL_, 0xCC, + 0x84, FIL_, 0xC4, 0x80, FIL_, 0xCC, 0x88, FIL_, + 0xC3, 0x84, FIL_, 0xCC, 0x8A, FIL_, 0xC3, 0x85, + FIL_, 0xCC, 0xA8, FIL_, 0xC4, 0x84, FIL_, 0xCC, + 0x89, FIL_, 0xE1, 0xBA, 0xA2, FIL_, 0xCC, 0x8C, + FIL_, 0xC7, 0x8D, FIL_, 0x03, 0xCC, 0x87, FIL_, + 0xE1, 0xB8, 0x82, FIL_, 0xCC, 0xB1, FIL_, 0xE1, + 0xB8, 0x86, FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xB8, + 0x84, FIL_, 0x05, 0xCC, 0xA7, FIL_, 0xC3, 0x87, + FIL_, 0xCC, 0x81, FIL_, 0xC4, 0x86, FIL_, 0xCC, + 0x8C, FIL_, 0xC4, 0x8C, FIL_, 0xCC, 0x87, FIL_, + 0xC4, 0x8A, FIL_, 0xCC, 0x82, FIL_, 0xC4, 0x88, + FIL_, 0x06, 0xCC, 0xB1, FIL_, 0xE1, 0xB8, 0x8E, + FIL_, 0xCC, 0xA7, FIL_, 0xE1, 0xB8, 0x90, FIL_, + 0xCC, 0xAD, FIL_, 0xE1, 0xB8, 0x92, FIL_, 0xCC, + 0x87, FIL_, 0xE1, 0xB8, 0x8A, FIL_, 0xCC, 0x8C, + FIL_, 0xC4, 0x8E, FIL_, 0xCC, 0xA3, FIL_, 0xE1, + 0xB8, 0x8C, FIL_, 0x11, 0xCC, 0x80, FIL_, 0xC3, + 0x88, FIL_, 0xCC, 0x81, FIL_, 0xC3, 0x89, FIL_, + 0xCC, 0x82, FIL_, 0xC3, 0x8A, FIL_, 0xCC, 0x88, + FIL_, 0xC3, 0x8B, FIL_, 0xCC, 0xA7, FIL_, 0xC8, + 0xA8, FIL_, 0xCC, 0x91, FIL_, 0xC8, 0x86, FIL_, + 0xCC, 0x8F, FIL_, 0xC8, 0x84, FIL_, 0xCC, 0x89, + FIL_, 0xE1, 0xBA, 0xBA, FIL_, 0xCC, 0xB0, FIL_, + 0xE1, 0xB8, 0x9A, FIL_, 0xCC, 0xAD, FIL_, 0xE1, + 0xB8, 0x98, FIL_, 0xCC, 0x83, FIL_, 0xE1, 0xBA, + 0xBC, FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xBA, 0xB8, + FIL_, 0xCC, 0x84, FIL_, 0xC4, 0x92, FIL_, 0xCC, + 0x86, FIL_, 0xC4, 0x94, FIL_, 0xCC, 0x87, FIL_, + 0xC4, 0x96, FIL_, 0xCC, 0xA8, FIL_, 0xC4, 0x98, + FIL_, 0xCC, 0x8C, FIL_, 0xC4, 0x9A, FIL_, 0x01, + 0xCC, 0x87, FIL_, 0xE1, 0xB8, 0x9E, FIL_, 0x07, + 0xCC, 0x8C, FIL_, 0xC7, 0xA6, FIL_, 0xCC, 0x87, + FIL_, 0xC4, 0xA0, FIL_, 0xCC, 0x84, FIL_, 0xE1, + 0xB8, 0xA0, FIL_, 0xCC, 0x82, FIL_, 0xC4, 0x9C, + FIL_, 0xCC, 0x81, FIL_, 0xC7, 0xB4, FIL_, 0xCC, + 0xA7, FIL_, 0xC4, 0xA2, FIL_, 0xCC, 0x86, FIL_, + 0xC4, 0x9E, FIL_, 0x07, 0xCC, 0xAE, FIL_, 0xE1, + 0xB8, 0xAA, FIL_, 0xCC, 0x87, FIL_, 0xE1, 0xB8, + 0xA2, FIL_, 0xCC, 0x88, FIL_, 0xE1, 0xB8, 0xA6, + FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xB8, 0xA4, FIL_, + 0xCC, 0xA7, FIL_, 0xE1, 0xB8, 0xA8, FIL_, 0xCC, + 0x8C, FIL_, 0xC8, 0x9E, FIL_, 0xCC, 0x82, FIL_, + 0xC4, 0xA4, FIL_, 0x0F, 0xCC, 0x84, FIL_, 0xC4, + 0xAA, FIL_, 0xCC, 0x80, FIL_, 0xC3, 0x8C, FIL_, + 0xCC, 0xA8, FIL_, 0xC4, 0xAE, FIL_, 0xCC, 0x83, + FIL_, 0xC4, 0xA8, FIL_, 0xCC, 0x88, FIL_, 0xC3, + 0x8F, FIL_, 0xCC, 0x81, FIL_, 0xC3, 0x8D, FIL_, + 0xCC, 0x8F, FIL_, 0xC8, 0x88, FIL_, 0xCC, 0x86, + FIL_, 0xC4, 0xAC, FIL_, 0xCC, 0x91, FIL_, 0xC8, + 0x8A, FIL_, 0xCC, 0x8C, FIL_, 0xC7, 0x8F, FIL_, + 0xCC, 0x89, FIL_, 0xE1, 0xBB, 0x88, FIL_, 0xCC, + 0x87, FIL_, 0xC4, 0xB0, FIL_, 0xCC, 0xA3, FIL_, + 0xE1, 0xBB, 0x8A, FIL_, 0xCC, 0xB0, FIL_, 0xE1, + 0xB8, 0xAC, FIL_, 0xCC, 0x82, FIL_, 0xC3, 0x8E, + FIL_, 0x01, 0xCC, 0x82, FIL_, 0xC4, 0xB4, FIL_, + 0x05, 0xCC, 0x8C, FIL_, 0xC7, 0xA8, FIL_, 0xCC, + 0xB1, FIL_, 0xE1, 0xB8, 0xB4, FIL_, 0xCC, 0x81, + FIL_, 0xE1, 0xB8, 0xB0, FIL_, 0xCC, 0xA7, FIL_, + 0xC4, 0xB6, FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xB8, + 0xB2, FIL_, 0x06, 0xCC, 0xA7, FIL_, 0xC4, 0xBB, + FIL_, 0xCC, 0x8C, FIL_, 0xC4, 0xBD, FIL_, 0xCC, + 0xB1, FIL_, 0xE1, 0xB8, 0xBA, FIL_, 0xCC, 0xA3, + FIL_, 0xE1, 0xB8, 0xB6, FIL_, 0xCC, 0xAD, FIL_, + 0xE1, 0xB8, 0xBC, FIL_, 0xCC, 0x81, FIL_, 0xC4, + 0xB9, FIL_, 0x03, 0xCC, 0x81, FIL_, 0xE1, 0xB8, + 0xBE, FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xB9, 0x82, + FIL_, 0xCC, 0x87, FIL_, 0xE1, 0xB9, 0x80, FIL_, + 0x09, 0xCC, 0x80, FIL_, 0xC7, 0xB8, FIL_, 0xCC, + 0xAD, FIL_, 0xE1, 0xB9, 0x8A, FIL_, 0xCC, 0x87, + FIL_, 0xE1, 0xB9, 0x84, FIL_, 0xCC, 0xB1, FIL_, + 0xE1, 0xB9, 0x88, FIL_, 0xCC, 0x83, FIL_, 0xC3, + 0x91, FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xB9, 0x86, + FIL_, 0xCC, 0x81, FIL_, 0xC5, 0x83, FIL_, 0xCC, + 0xA7, FIL_, 0xC5, 0x85, FIL_, 0xCC, 0x8C, FIL_, + 0xC5, 0x87, FIL_, 0x10, 0xCC, 0xA8, FIL_, 0xC7, + 0xAA, FIL_, 0xCC, 0x91, FIL_, 0xC8, 0x8E, FIL_, + 0xCC, 0x80, FIL_, 0xC3, 0x92, FIL_, 0xCC, 0x9B, + FIL_, 0xC6, 0xA0, FIL_, 0xCC, 0x8F, FIL_, 0xC8, + 0x8C, FIL_, 0xCC, 0x81, FIL_, 0xC3, 0x93, FIL_, + 0xCC, 0x87, FIL_, 0xC8, 0xAE, FIL_, 0xCC, 0x8C, + FIL_, 0xC7, 0x91, FIL_, 0xCC, 0xA3, FIL_, 0xE1, + 0xBB, 0x8C, FIL_, 0xCC, 0x82, FIL_, 0xC3, 0x94, + FIL_, 0xCC, 0x84, FIL_, 0xC5, 0x8C, FIL_, 0xCC, + 0x83, FIL_, 0xC3, 0x95, FIL_, 0xCC, 0x86, FIL_, + 0xC5, 0x8E, FIL_, 0xCC, 0x88, FIL_, 0xC3, 0x96, + FIL_, 0xCC, 0x8B, FIL_, 0xC5, 0x90, FIL_, 0xCC, + 0x89, FIL_, 0xE1, 0xBB, 0x8E, FIL_, 0x02, 0xCC, + 0x87, FIL_, 0xE1, 0xB9, 0x96, FIL_, 0xCC, 0x81, + FIL_, 0xE1, 0xB9, 0x94, FIL_, 0x08, 0xCC, 0x91, + FIL_, 0xC8, 0x92, FIL_, 0xCC, 0xA7, FIL_, 0xC5, + 0x96, FIL_, 0xCC, 0x8C, FIL_, 0xC5, 0x98, FIL_, + 0xCC, 0xB1, FIL_, 0xE1, 0xB9, 0x9E, FIL_, 0xCC, + 0xA3, FIL_, 0xE1, 0xB9, 0x9A, FIL_, 0xCC, 0x87, + FIL_, 0xE1, 0xB9, 0x98, FIL_, 0xCC, 0x81, FIL_, + 0xC5, 0x94, FIL_, 0xCC, 0x8F, FIL_, 0xC8, 0x90, + FIL_, 0x07, 0xCC, 0x81, FIL_, 0xC5, 0x9A, FIL_, + 0xCC, 0x82, FIL_, 0xC5, 0x9C, FIL_, 0xCC, 0xA7, + FIL_, 0xC5, 0x9E, FIL_, 0xCC, 0x8C, FIL_, 0xC5, + 0xA0, FIL_, 0xCC, 0xA6, FIL_, 0xC8, 0x98, FIL_, + 0xCC, 0x87, FIL_, 0xE1, 0xB9, 0xA0, FIL_, 0xCC, + 0xA3, FIL_, 0xE1, 0xB9, 0xA2, FIL_, 0x07, 0xCC, + 0x8C, FIL_, 0xC5, 0xA4, FIL_, 0xCC, 0xB1, FIL_, + 0xE1, 0xB9, 0xAE, FIL_, 0xCC, 0xA6, FIL_, 0xC8, + 0x9A, FIL_, 0xCC, 0xA7, FIL_, 0xC5, 0xA2, FIL_, + 0xCC, 0x87, FIL_, 0xE1, 0xB9, 0xAA, FIL_, 0xCC, + 0xAD, FIL_, 0xE1, 0xB9, 0xB0, FIL_, 0xCC, 0xA3, + FIL_, 0xE1, 0xB9, 0xAC, FIL_, 0x13, 0xCC, 0xA8, + FIL_, 0xC5, 0xB2, FIL_, 0xCC, 0x83, FIL_, 0xC5, + 0xA8, FIL_, 0xCC, 0x84, FIL_, 0xC5, 0xAA, FIL_, + 0xCC, 0x81, FIL_, 0xC3, 0x9A, FIL_, 0xCC, 0x86, + FIL_, 0xC5, 0xAC, FIL_, 0xCC, 0x8A, FIL_, 0xC5, + 0xAE, FIL_, 0xCC, 0x80, FIL_, 0xC3, 0x99, FIL_, + 0xCC, 0x91, FIL_, 0xC8, 0x96, FIL_, 0xCC, 0x8B, + FIL_, 0xC5, 0xB0, FIL_, 0xCC, 0xA4, FIL_, 0xE1, + 0xB9, 0xB2, FIL_, 0xCC, 0xB0, FIL_, 0xE1, 0xB9, + 0xB4, FIL_, 0xCC, 0x8F, FIL_, 0xC8, 0x94, FIL_, + 0xCC, 0xAD, FIL_, 0xE1, 0xB9, 0xB6, FIL_, 0xCC, + 0x9B, FIL_, 0xC6, 0xAF, FIL_, 0xCC, 0x82, FIL_, + 0xC3, 0x9B, FIL_, 0xCC, 0x88, FIL_, 0xC3, 0x9C, + FIL_, 0xCC, 0x8C, FIL_, 0xC7, 0x93, FIL_, 0xCC, + 0xA3, FIL_, 0xE1, 0xBB, 0xA4, FIL_, 0xCC, 0x89, + FIL_, 0xE1, 0xBB, 0xA6, FIL_, 0x02, 0xCC, 0x83, + FIL_, 0xE1, 0xB9, 0xBC, FIL_, 0xCC, 0xA3, FIL_, + 0xE1, 0xB9, 0xBE, FIL_, 0x06, 0xCC, 0x82, FIL_, + 0xC5, 0xB4, FIL_, 0xCC, 0x88, FIL_, 0xE1, 0xBA, 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+ FIL_, 0xC4, 0x85, FIL_, 0xCC, 0xA3, FIL_, 0xE1, + 0xBA, 0xA1, FIL_, 0xCC, 0x86, FIL_, 0xC4, 0x83, + FIL_, 0xCC, 0x89, FIL_, 0xE1, 0xBA, 0xA3, FIL_, + 0xCC, 0x84, FIL_, 0xC4, 0x81, FIL_, 0xCC, 0x91, + FIL_, 0xC8, 0x83, FIL_, 0xCC, 0x8A, FIL_, 0xC3, + 0xA5, FIL_, 0xCC, 0x88, FIL_, 0xC3, 0xA4, FIL_, + 0xCC, 0x83, FIL_, 0xC3, 0xA3, FIL_, 0xCC, 0x82, + FIL_, 0xC3, 0xA2, FIL_, 0xCC, 0x81, FIL_, 0xC3, + 0xA1, FIL_, 0xCC, 0x80, FIL_, 0xC3, 0xA0, FIL_, + 0xCC, 0x87, FIL_, 0xC8, 0xA7, FIL_, 0xCC, 0xA5, + FIL_, 0xE1, 0xB8, 0x81, FIL_, 0x03, 0xCC, 0xB1, + FIL_, 0xE1, 0xB8, 0x87, FIL_, 0xCC, 0xA3, FIL_, + 0xE1, 0xB8, 0x85, FIL_, 0xCC, 0x87, FIL_, 0xE1, + 0xB8, 0x83, FIL_, 0x05, 0xCC, 0x87, FIL_, 0xC4, + 0x8B, FIL_, 0xCC, 0xA7, FIL_, 0xC3, 0xA7, FIL_, + 0xCC, 0x82, FIL_, 0xC4, 0x89, FIL_, 0xCC, 0x8C, + FIL_, 0xC4, 0x8D, FIL_, 0xCC, 0x81, FIL_, 0xC4, + 0x87, FIL_, 0x06, 0xCC, 0xAD, FIL_, 0xE1, 0xB8, + 0x93, FIL_, 0xCC, 0x87, FIL_, 0xE1, 0xB8, 0x8B, + FIL_, 0xCC, 0xA3, FIL_, 0xE1, 0xB8, 0x8D, FIL_, + 0xCC, 0xB1, FIL_, 0xE1, 0xB8, 0x8F, FIL_, 0xCC, + 0xA7, FIL_, 0xE1, 0xB8, 0x91, FIL_, 0xCC, 0x8C, + FIL_, 0xC4, 0x8F, FIL_, 0x11, 0xCC, 0xA8, FIL_, + 0xC4, 0x99, FIL_, 0xCC, 0x8C, FIL_, 0xC4, 0x9B, + FIL_, 0xCC, 0x87, FIL_, 0xC4, 0x97, FIL_, 0xCC, + 0x88, FIL_, 0xC3, 0xAB, FIL_, 0xCC, 0xA3, FIL_, + 0xE1, 0xBA, 0xB9, FIL_, 0xCC, 0xB0, FIL_, 0xE1, + 0xB8, 0x9B, FIL_, 0xCC, 0x84, FIL_, 0xC4, 0x93, + FIL_, 0xCC, 0xAD, FIL_, 0xE1, 0xB8, 0x99, FIL_, + 0xCC, 0x83, FIL_, 0xE1, 0xBA, 0xBD, FIL_, 0xCC, + 0x86, FIL_, 0xC4, 0x95, FIL_, 0xCC, 0xA7, FIL_, + 0xC8, 0xA9, FIL_, 0xCC, 0x89, FIL_, 0xE1, 0xBA, + 0xBB, FIL_, 0xCC, 0x8F, FIL_, 0xC8, 0x85, FIL_, + 0xCC, 0x81, FIL_, 0xC3, 0xA9, FIL_, 0xCC, 0x91, + FIL_, 0xC8, 0x87, FIL_, 0xCC, 0x80, FIL_, 0xC3, + 0xA8, FIL_, 0xCC, 0x82, FIL_, 0xC3, 0xAA, FIL_, + 0x01, 0xCC, 0x87, FIL_, 0xE1, 0xB8, 0x9F, FIL_, + 0x07, 0xCC, 0x86, FIL_, 0xC4, 0x9F, FIL_, 0xCC, + 0xA7, FIL_, 0xC4, 0xA3, FIL_, 0xCC, 0x81, FIL_, + 0xC7, 0xB5, FIL_, 0xCC, 0x82, FIL_, 0xC4, 0x9D, + FIL_, 0xCC, 0x87, FIL_, 0xC4, 0xA1, FIL_, 0xCC, + 0x8C, FIL_, 0xC7, 0xA7, FIL_, 0xCC, 0x84, FIL_, + 0xE1, 0xB8, 0xA1, FIL_, 0x08, 0xCC, 0x8C, FIL_, + 0xC8, 0x9F, FIL_, 0xCC, 0x82, FIL_, 0xC4, 0xA5, + FIL_, 0xCC, 0x88, FIL_, 0xE1, 0xB8, 0xA7, FIL_, + 0xCC, 0x87, FIL_, 0xE1, 0xB8, 0xA3, FIL_, 0xCC, + 0xB1, FIL_, 0xE1, 0xBA, 0x96, FIL_, 0xCC, 0xA3, + FIL_, 0xE1, 0xB8, 0xA5, FIL_, 0xCC, 0xA7, FIL_, + 0xE1, 0xB8, 0xA9, FIL_, 0xCC, 0xAE, FIL_, 0xE1, + 0xB8, 0xAB, FIL_, 0x0E, 0xCC, 0x81, FIL_, 0xC3, + 0xAD, FIL_, 0xCC, 0x80, FIL_, 0xC3, 0xAC, FIL_, + 0xCC, 0xA3, FIL_, 0xE1, 0xBB, 0x8B, FIL_, 0xCC, + 0x8C, FIL_, 0xC7, 0x90, FIL_, 0xCC, 0x89, FIL_, + 0xE1, 0xBB, 0x89, FIL_, 0xCC, 0x91, FIL_, 0xC8, + 0x8B, FIL_, 0xCC, 0x8F, FIL_, 0xC8, 0x89, FIL_, + 0xCC, 0x82, FIL_, 0xC3, 0xAE, FIL_, 0xCC, 0xB0, + FIL_, 0xE1, 0xB8, 0xAD, FIL_, 0xCC, 0xA8, FIL_, + 0xC4, 0xAF, FIL_, 0xCC, 0x86, FIL_, 0xC4, 0xAD, + FIL_, 0xCC, 0x84, FIL_, 0xC4, 0xAB, FIL_, 0xCC, + 0x83, FIL_, 0xC4, 0xA9, FIL_, 0xCC, 0x88, FIL_, 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N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, 2, 3, 4, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 5, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, 6, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 7, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 1, 2, 3, 4, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 5, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, 6, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 7, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + +}; + +static const u8_displacement_t u8_decomp_b3_tbl[2][8][256] = { + { + { /* Third byte table 0. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 0, 0 }, + { 1, 35 }, { 2, 247 }, { 3, 474 }, + { 4, 693 }, { 5, 709 }, { 6, 951 }, + { N_, 0 }, { 7, 1139 }, { 8, 1152 }, + { N_, 0 }, { 9, 1177 }, { 10, 1199 }, + { 11, 1295 }, { 12, 1360 }, { 13, 1405 }, + { N_, 0 }, { 14, 1450 }, { N_, 0 }, + { N_, 0 }, { 15, 1620 }, { N_, 0 }, + { 16, 1624 }, { 17, 1649 }, { N_, 0 }, + { 18, 1665 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + { /* Third byte table 1. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 19, 1680 }, + { 20, 1701 }, { N_, 0 }, { 21, 1757 }, + { 22, 1792 }, { 23, 1806 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 24, 1834 }, + { 25, 1869 }, { 26, 1876 }, { N_, 0 }, + { 27, 1897 }, { N_, 0 }, { 28, 1904 }, + { N_, 0 }, { 29, 1942 }, { N_, 0 }, + { 30, 1963 }, { 31, 1994 }, { N_, 0 }, + { 32, 2000 }, { 33, 2006 }, { 34, 2018 }, + { 35, 2021 }, { 36, 2109 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + { /* Third byte table 2. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 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N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { 0x8000, 2165 }, { 0x8001, 2445 }, + { 0x8002, 2741 }, { 0x8003, 3029 }, { 0x8004, 3337 }, + { 0x8005, 3725 }, { 0x8006, 4053 }, { 0x8007, 4536 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + { /* Third byte table 3. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 38, 4895 }, + { 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N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 0x800B, 10106 }, + { 0x800C, 10362 }, { 0x800D, 10618 }, { 0x800E, 10874 }, + { 81, 11130 }, { 82, 11330 }, { 0x800F, 11566 }, + { 83, 11822 }, { 84, 11932 }, { 85, 12096 }, + { 86, 12261 }, { 87, 12369 }, { 0x8010, 12533 }, + { 0x8011, 12799 }, { 0x8012, 13073 }, { 0x8013, 13339 }, + { 88, 13605 }, { 0x8014, 13853 }, { 0x8015, 14141 }, + { 89, 14513 }, { 90, 14691 }, { 91, 14746 }, + { 92, 14860 }, { 93, 15012 }, { 94, 15162 }, + { 95, 15225 }, { 96, 15355 }, { 97, 15544 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + { /* Third byte table 6. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { 98, 15644 }, { 99, 15727 }, + { 100, 15784 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { 101, 15797 }, { 102, 15861 }, { 103, 15924 }, + { 104, 15978 }, { 105, 16041 }, { 106, 16098 }, + { 107, 16157 }, { 108, 16221 }, { 109, 16285 }, + { 110, 16349 }, { 111, 16413 }, { 112, 16501 }, + { 113, 16632 }, { 114, 16762 }, { 115, 16892 }, + { 116, 17022 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + { /* Third byte table 7. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { 0x8016, 17097 }, { 0x8017, 17360 }, + { 0x8018, 17623 }, { 0x8019, 17888 }, { 0x801A, 18153 }, + { 0x801B, 18425 }, { 0x801C, 18702 }, { 0x801D, 18971 }, + { 117, 19243 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, + }, + }, +}; + +static const uchar_t u8_decomp_b4_tbl[2][118][257] = { + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, + 1, 4, 4, 5, 5, 5, 5, 5, + 8, 8, 8, 9, 10, 13, 15, 15, + 15, 18, 19, 20, 20, 25, 30, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 24, + 28, 32, 36, 40, 44, 48, 52, 56, + 60, 60, 64, 68, 72, 76, 80, 84, + 84, 84, 88, 92, 96, 100, 104, 104, + 104, 108, 112, 116, 120, 124, 128, 128, + 132, 136, 140, 144, 148, 152, 156, 160, + 164, 164, 168, 172, 176, 180, 184, 188, + 188, 188, 192, 196, 200, 204, 208, 208, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 64, 64, 68, 72, 76, 80, 84, + 88, 92, 96, 100, 104, 108, 112, 116, + 120, 124, 128, 132, 136, 140, 144, 144, + 144, 148, 152, 156, 160, 164, 168, 172, + 176, 180, 180, 182, 184, 188, 192, 196, + 200, 200, 204, 208, 212, 216, 220, 224, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 3, 7, 11, 15, 19, + 23, 27, 30, 30, 30, 34, 38, 42, + 46, 50, 54, 54, 54, 58, 62, 66, + 70, 74, 78, 82, 86, 90, 94, 98, + 102, 106, 110, 114, 118, 122, 126, 126, + 126, 130, 134, 138, 142, 146, 150, 154, + 158, 162, 166, 170, 174, 178, 182, 186, + 190, 194, 198, 202, 206, 210, 214, 218, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 12, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 4, 8, 12, + 14, 16, 18, 20, 22, 24, 28, 32, + 36, 40, 44, 48, 52, 56, 62, 68, + 74, 80, 86, 92, 98, 104, 104, 110, + 116, 122, 128, 133, 138, 138, 138, 142, + 146, 150, 154, 158, 162, 168, 174, 179, + 184, 188, 190, 192, 194, 198, 202, 202, + 202, 206, 210, 216, 222, 227, 232, 237, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 112, 112, 116, + 120, 120, 120, 120, 120, 120, 120, 124, + 128, 132, 136, 142, 148, 154, 160, 164, + 168, 174, 180, 184, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 3, 4, 5, 7, 9, 11, + 12, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 18, + 18, 20, 21, 22, 23, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 6, 9, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 17, 17, 17, + 17, 17, 17, 20, 20, 20, 20, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 14, 19, + 22, 27, 32, 37, 37, 42, 42, 47, + 52, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 64, 69, 74, 79, 84, + 89, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 5, 10, 15, 20, 25, + 25, 27, 29, 31, 41, 51, 53, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 57, 59, 61, 61, 63, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, 65, 65, 65, 65, 65, 65, 65, + 65, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 10, 15, 15, 15, 15, + 20, 20, 20, 20, 20, 25, 30, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 10, 15, 15, 15, 15, + 20, 20, 20, 20, 20, 25, 30, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 40, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 5, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 15, 20, 25, 30, 30, 30, 35, + 40, 40, 40, 45, 50, 55, 60, 65, + 70, 70, 70, 75, 80, 85, 90, 95, + 100, 100, 100, 105, 110, 115, 120, 125, + 130, 135, 140, 145, 150, 155, 160, 160, + 160, 165, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 5, 10, 15, 20, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 4, 8, + 12, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 5, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 7, 7, 7, 7, 7, + 7, 7, 14, 14, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 14, 21, 28, 35, 42, 49, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 21, 28, 28, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 7, 7, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 14, 21, 21, 21, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 7, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 28, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 7, 7, 7, 7, 7, + 14, 21, 21, 28, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 7, 14, 24, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 6, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 14, 14, + 14, 14, 14, 21, 21, 21, 21, 21, + 28, 28, 28, 28, 28, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 49, 49, 56, 63, + 72, 79, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 21, 21, + 21, 21, 21, 28, 28, 28, 28, 28, + 35, 35, 35, 35, 35, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 21, 21, 21, 21, + 21, 21, 24, 24, 24, 24, 24, 24, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 28, 30, 33, + 33, 33, 33, 33, 33, 33, 33, 33, + 34, 34, 34, 34, 40, 49, 49, 55, + 64, 64, 64, 64, 64, 66, 66, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, + }, + { /* Fourth byte table 39. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 2, 4, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 18, 18, 18, 18, 18, 18, 18, 18, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 20, 21, 21, 21, 22, 23, 24, + 25, 26, 27, 28, 31, 32, 33, 34, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 40. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 14, 15, 16, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, + }, + { /* Fourth byte table 41. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 7, 10, 10, 13, 16, + 18, 18, 21, 22, 23, 24, 25, 26, + 28, 29, 30, 31, 32, 32, 33, 35, + 35, 35, 36, 37, 38, 39, 40, 40, + 40, 42, 45, 47, 47, 48, 48, 51, + 51, 52, 52, 54, 58, 59, 60, 60, + 61, 62, 63, 63, 64, 65, 67, 69, + 71, 73, 74, 74, 74, 74, 76, 78, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, + }, + { /* Fourth byte table 42. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 3, 3, 3, 4, 5, + 6, 7, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 13, 18, 23, 28, + 33, 38, 43, 48, 53, 58, 63, 68, + 72, 73, 75, 78, 80, 81, 83, 86, + 90, 92, 93, 95, 98, 99, 100, 101, + 102, 103, 105, 108, 110, 111, 113, 116, + 120, 122, 123, 125, 128, 129, 130, 131, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, + }, + { /* Fourth byte table 43. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 6, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, + }, + { /* Fourth byte table 44. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 6, 12, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, + }, + { /* Fourth byte table 45. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 6, 6, 6, + 6, 6, 12, 12, 12, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 24, 24, 30, + 30, 30, 30, 30, 30, 36, 45, 45, + 51, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, + }, + { /* Fourth byte table 46. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 6, 6, 6, 12, 12, 12, + 18, 18, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 28, 28, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 40, 44, + 48, 54, 60, 60, 60, 66, 72, 72, + 72, 78, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, + }, + { /* Fourth byte table 47. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 12, 12, 18, 24, 24, + 24, 30, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 42, 48, 54, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, + }, + { /* Fourth byte table 48. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 24, 24, 24, + 24, 24, 24, 30, 36, 42, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 49. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 4, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, + }, + { /* Fourth byte table 50. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 11, 13, 15, 17, 19, 21, + 23, 25, 27, 29, 31, 34, 37, 40, + 43, 46, 49, 52, 55, 58, 62, 66, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, + }, + { /* Fourth byte table 51. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 53, 56, 59, 62, 65, 68, + 71, 74, 77, 80, 83, 86, 89, 92, + 95, 98, 101, 104, 107, 110, 113, 116, + 119, 122, 125, 128, 131, 134, 137, 140, + 143, 146, 149, 152, 155, 158, 161, 162, + 163, 164, 165, 166, 167, 168, 169, 170, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, + }, + { /* Fourth byte table 52. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, + }, + { /* Fourth byte table 53. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, + }, + { /* Fourth byte table 54. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 5, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, + }, + { /* Fourth byte table 55. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, + }, + { /* Fourth byte table 56. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 57. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 58. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 59. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 60. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 61. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, + }, + { /* Fourth byte table 62. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 4, + 4, 7, 10, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, + }, + { /* Fourth byte table 63. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 7, 7, 14, + 14, 21, 21, 28, 28, 35, 35, 42, + 42, 49, 49, 56, 56, 63, 63, 70, + 70, 77, 77, 84, 84, 84, 91, 91, + 98, 98, 105, 105, 105, 105, 105, 105, + 105, 112, 119, 119, 126, 133, 133, 140, + 147, 147, 154, 161, 161, 168, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, + }, + { /* Fourth byte table 64. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 7, 7, 7, + 7, 7, 7, 7, 11, 15, 15, 22, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 35, 35, 42, + 42, 49, 49, 56, 56, 63, 63, 70, + 70, 77, 77, 84, 84, 91, 91, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, + }, + { /* Fourth byte table 65. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 14, 14, 14, 21, 21, + 28, 28, 35, 35, 35, 35, 35, 35, + 35, 42, 49, 49, 56, 63, 63, 70, + 77, 77, 84, 91, 91, 98, 105, 105, + 105, 105, 105, 105, 105, 105, 105, 105, + 105, 105, 105, 105, 105, 105, 105, 105, + 105, 105, 105, 105, 105, 112, 112, 112, + 119, 126, 133, 140, 140, 140, 140, 147, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, + }, + { /* Fourth byte table 66. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 6, 9, 12, 15, 18, + 21, 24, 27, 30, 33, 36, 39, 42, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, + }, + { /* Fourth byte table 67. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 68. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 45, 45, 45, 48, 51, 54, 57, 60, + 63, 66, 69, 72, 75, 78, 81, 84, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 69. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 15, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 22, 24, 26, 28, 30, 32, + 34, 36, 38, 40, 42, 44, 46, 48, + 50, 53, 56, 59, 62, 65, 68, 71, + 74, 77, 80, 83, 86, 89, 92, 98, + 104, 110, 116, 122, 128, 134, 140, 146, + 152, 158, 164, 170, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, 176, 176, 176, 176, 176, 176, 176, + 176, + }, + { /* Fourth byte table 70. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 149, 151, 153, 155, 157, 159, + 161, 163, 165, 167, 169, 171, 173, 175, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, + }, + { /* Fourth byte table 71. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 41, 46, 51, 51, 51, 51, + 51, 54, 57, 60, 63, 66, 69, 72, + 75, 78, 81, 84, 87, 90, 93, 96, + 99, 102, 105, 108, 111, 114, 117, 120, + 123, 126, 129, 132, 135, 138, 141, 144, + 147, 150, 153, 156, 159, 162, 165, 168, + 171, 174, 177, 180, 183, 186, 189, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 72. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 7, 9, 11, 13, 15, + 17, 20, 24, 26, 28, 31, 34, 36, + 38, 40, 43, 46, 49, 52, 55, 57, + 59, 61, 63, 65, 68, 70, 72, 74, + 77, 80, 82, 85, 88, 91, 93, 96, + 101, 107, 109, 112, 115, 118, 121, 128, + 136, 138, 140, 143, 145, 147, 149, 152, + 154, 156, 158, 160, 162, 165, 167, 169, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, + }, + { /* Fourth byte table 73. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 10, 12, 14, 16, 22, + 25, 27, 29, 31, 33, 35, 37, 39, + 41, 43, 45, 48, 50, 52, 55, 58, + 60, 64, 67, 69, 71, 73, 75, 75, + 75, 79, 83, 87, 91, 95, 99, 103, + 107, 111, 116, 121, 126, 131, 136, 141, + 146, 151, 156, 161, 166, 171, 176, 181, + 186, 191, 196, 201, 206, 211, 216, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, 221, 221, 221, 221, 221, 221, 221, + 221, + }, + { /* Fourth byte table 74. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 56, + 56, 60, 60, 64, 64, 64, 68, 72, + 76, 80, 84, 88, 92, 96, 100, 104, + 104, 108, 108, 112, 112, 112, 116, 120, + 120, 120, 120, 124, 128, 132, 136, 136, + 136, 140, 144, 148, 152, 156, 160, 164, + 168, 172, 176, 180, 184, 188, 192, 196, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, + }, + { /* Fourth byte table 75. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, 172, 172, 172, 172, 172, 172, 172, + 172, + }, + { /* Fourth byte table 76. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 9, 12, 14, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 20, 24, 28, 32, + 36, 36, 36, 36, 36, 36, 41, 41, + 46, 48, 50, 52, 54, 56, 58, 60, + 62, 64, 65, 70, 75, 82, 89, 94, + 99, 104, 109, 114, 119, 124, 129, 134, + 134, 139, 144, 149, 154, 159, 159, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, + }, + { /* Fourth byte table 77. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 10, 15, 20, 20, 25, + 30, 35, 40, 45, 50, 55, 60, 65, + 69, 71, 73, 75, 77, 79, 81, 83, + 85, 87, 89, 91, 93, 95, 97, 99, + 101, 103, 105, 107, 109, 111, 113, 115, + 117, 119, 121, 123, 125, 127, 129, 131, + 133, 135, 137, 139, 141, 143, 145, 147, + 149, 151, 153, 155, 157, 159, 161, 163, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, + }, + { /* Fourth byte table 78. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 66, 68, 70, 72, 76, 80, 82, + 84, 86, 88, 90, 92, 94, 96, 98, + 100, 104, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, + }, + { /* Fourth byte table 79. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 2, 4, 6, 8, + 10, 12, 14, 16, 18, 20, 24, 26, + 28, 30, 32, 34, 36, 38, 40, 42, + 44, 46, 48, 54, 60, 66, 72, 78, + 84, 90, 96, 102, 108, 114, 120, 126, + 132, 138, 144, 150, 156, 158, 160, 162, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, + }, + { /* Fourth byte table 80. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, + }, + { /* Fourth byte table 81. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 54, 60, 68, 76, 84, 92, 100, + 108, 116, 122, 155, 170, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, + }, + { /* Fourth byte table 82. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 5, 8, 9, 10, 11, 12, + 13, 14, 17, 20, 23, 26, 29, 32, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 83. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 15, 15, + 15, 15, 18, 21, 24, 27, 28, 29, + 30, 31, 34, 35, 35, 36, 37, 38, + 39, 42, 43, 44, 45, 46, 49, 52, + 53, 54, 55, 56, 57, 58, 59, 60, + 60, 61, 62, 63, 64, 64, 64, 64, + 64, 67, 71, 74, 74, 77, 77, 80, + 84, 87, 91, 94, 98, 101, 105, 108, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, + }, + { /* Fourth byte table 84. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 6, 10, 14, 18, 22, 26, + 30, 34, 38, 42, 46, 50, 52, 54, + 56, 58, 60, 62, 64, 66, 68, 70, + 72, 74, 76, 78, 80, 82, 84, 86, + 88, 90, 92, 94, 96, 98, 100, 102, + 104, 106, 108, 110, 112, 114, 116, 118, + 120, 122, 124, 126, 128, 130, 132, 134, + 136, 138, 140, 142, 144, 146, 148, 150, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, + }, + { /* Fourth byte table 85. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 66, 68, 70, 72, 74, 76, 78, + 80, 82, 84, 86, 88, 90, 92, 94, + 96, 98, 100, 102, 104, 106, 112, 118, + 124, 130, 136, 142, 146, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, + }, + { /* Fourth byte table 86. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 1, 2, 3, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 87. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 34, 37, 40, 43, 46, 49, 52, 55, + 58, 61, 64, 67, 70, 73, 76, 79, + 82, 85, 88, 91, 94, 97, 100, 103, + 106, 109, 112, 115, 118, 121, 124, 127, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 88. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, + }, + { /* Fourth byte table 89. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 3, 6, 9, 12, 15, + 18, 18, 18, 21, 24, 27, 30, 33, + 36, 36, 36, 39, 42, 45, 48, 51, + 54, 54, 54, 57, 60, 63, 63, 63, + 63, 65, 67, 69, 72, 74, 76, 79, + 79, 82, 85, 88, 91, 94, 97, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, + }, + { /* Fourth byte table 90. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 9, + 18, 31, 44, 57, 70, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, + }, + { /* Fourth byte table 91. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 9, 18, 31, 44, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, + }, + { /* Fourth byte table 92. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, + }, + { /* Fourth byte table 93. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 94. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 95. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 29, 30, + 31, 31, 31, 32, 32, 32, 33, 34, + 34, 34, 35, 36, 37, 38, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 50, 51, 51, 52, 53, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 96. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 2, 3, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, + 14, 15, 16, 17, 18, 19, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 59, 60, 61, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 97. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 6, + 7, 8, 9, 10, 10, 10, 11, 12, + 13, 14, 15, 16, 17, 18, 18, 19, + 20, 21, 22, 23, 24, 25, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 53, 54, 55, 56, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, + }, + { /* Fourth byte table 98. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 5, 6, + 6, 6, 6, 7, 8, 9, 10, 11, + 12, 13, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, + }, + { /* Fourth byte table 99. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 100. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 101. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 102. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 103. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 36, 36, 36, + 36, 38, 40, 42, 44, 46, 48, 50, + 52, 54, 56, 58, 60, 62, 64, 66, + 68, 70, 72, 74, 76, 78, 80, 82, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, + }, + { /* Fourth byte table 104. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 5, 7, 9, 11, 13, 15, + 17, 19, 21, 23, 25, 27, 29, 31, + 33, 35, 37, 39, 41, 43, 45, 47, + 49, 51, 53, 55, 58, 60, 62, 64, + 66, 68, 70, 72, 74, 76, 78, 80, + 82, 84, 86, 88, 90, 92, 94, 96, + 98, 100, 102, 104, 106, 108, 110, 112, + 114, 116, 118, 120, 123, 125, 127, 129, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, + }, + { /* Fourth byte table 105. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 45, 47, + 49, 51, 53, 55, 57, 59, 61, 63, + 65, 67, 69, 71, 73, 75, 77, 79, + 81, 83, 85, 87, 89, 91, 93, 95, + 97, 99, 101, 103, 105, 107, 110, 112, + 114, 116, 118, 120, 122, 124, 126, 128, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 106. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 33, 35, 37, 39, 41, 43, 45, 47, + 49, 51, 53, 55, 57, 59, 61, 63, + 65, 67, 69, 71, 73, 75, 77, 79, + 81, 83, 85, 87, 89, 91, 93, 95, + 98, 100, 102, 104, 106, 108, 110, 112, + 114, 116, 118, 120, 122, 124, 126, 128, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 107. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 21, 23, 25, 27, 29, 31, + 33, 35, 37, 39, 41, 43, 45, 47, + 49, 51, 53, 55, 57, 59, 61, 63, + 65, 67, 69, 71, 73, 75, 77, 79, + 81, 83, 86, 88, 90, 92, 94, 96, + 98, 100, 102, 104, 106, 108, 110, 112, + 114, 116, 118, 120, 122, 124, 126, 128, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 108. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 9, 11, 13, 15, + 17, 19, 21, 21, 21, 21, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 63, 64, 65, 66, 67, 68, 69, 70, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, + }, + { /* Fourth byte table 109. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 9, 13, 17, 21, 25, 29, + 33, 37, 42, 46, 50, 54, 58, 62, + 66, 71, 75, 80, 85, 90, 94, 98, + 102, 106, 110, 114, 118, 122, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, + }, + { /* Fourth byte table 110. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 111. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 112. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 113. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 114. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 115. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 116. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 117. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + }, + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, + 1, 4, 4, 5, 5, 5, 5, 5, + 8, 8, 8, 9, 10, 13, 15, 15, + 15, 18, 19, 20, 20, 25, 30, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 24, + 28, 32, 36, 40, 44, 48, 52, 56, + 60, 60, 64, 68, 72, 76, 80, 84, + 84, 84, 88, 92, 96, 100, 104, 104, + 104, 108, 112, 116, 120, 124, 128, 128, + 132, 136, 140, 144, 148, 152, 156, 160, + 164, 164, 168, 172, 176, 180, 184, 188, + 188, 188, 192, 196, 200, 204, 208, 208, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 64, 64, 68, 72, 76, 80, 84, + 88, 92, 96, 100, 104, 108, 112, 116, + 120, 124, 128, 132, 136, 140, 144, 144, + 144, 148, 152, 156, 160, 164, 168, 172, + 176, 180, 180, 182, 184, 188, 192, 196, + 200, 200, 204, 208, 212, 216, 220, 224, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, 227, 227, 227, 227, 227, 227, 227, + 227, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 3, 7, 11, 15, 19, + 23, 27, 30, 30, 30, 34, 38, 42, + 46, 50, 54, 54, 54, 58, 62, 66, + 70, 74, 78, 82, 86, 90, 94, 98, + 102, 106, 110, 114, 118, 122, 126, 126, + 126, 130, 134, 138, 142, 146, 150, 154, + 158, 162, 166, 170, 174, 178, 182, 186, + 190, 194, 198, 202, 206, 210, 214, 218, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, 219, 219, 219, 219, 219, 219, 219, + 219, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 12, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 4, 8, 12, + 14, 16, 18, 20, 22, 24, 28, 32, + 36, 40, 44, 48, 52, 56, 62, 68, + 74, 80, 86, 92, 98, 104, 104, 110, + 116, 122, 128, 133, 138, 138, 138, 142, + 146, 150, 154, 158, 162, 168, 174, 179, + 184, 188, 190, 192, 194, 198, 202, 202, + 202, 206, 210, 216, 222, 227, 232, 237, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, 242, 242, 242, 242, 242, 242, 242, + 242, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 112, 112, 116, + 120, 120, 120, 120, 120, 120, 120, 124, + 128, 132, 136, 142, 148, 154, 160, 164, + 168, 174, 180, 184, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, 188, 188, 188, 188, 188, 188, 188, + 188, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 3, 4, 5, 7, 9, 11, + 12, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 18, + 18, 20, 21, 22, 23, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 6, 9, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 17, 17, 17, + 17, 17, 17, 20, 20, 20, 20, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 14, 19, + 22, 27, 32, 37, 37, 42, 42, 47, + 52, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 64, 69, 74, 79, 84, + 89, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 5, 10, 15, 20, 25, + 25, 27, 29, 31, 41, 51, 53, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 57, 59, 61, 61, 63, 65, 65, + 65, 65, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, + 67, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 10, 15, 15, 15, 15, + 20, 20, 20, 20, 20, 25, 30, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 10, 15, 15, 15, 15, + 20, 20, 20, 20, 20, 25, 30, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 40, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 5, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 15, 20, 25, 30, 30, 30, 35, + 40, 40, 40, 45, 50, 55, 60, 65, + 70, 70, 70, 75, 80, 85, 90, 95, + 100, 100, 100, 105, 110, 115, 120, 125, + 130, 135, 140, 145, 150, 155, 160, 160, + 160, 165, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + 170, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 5, 10, 15, 20, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 4, 8, + 12, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 5, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 7, 7, 7, 7, 7, + 7, 7, 14, 14, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 14, 21, 28, 35, 42, 49, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 21, 28, 28, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 7, 7, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 14, 21, 21, 21, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 7, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 28, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 7, 7, 7, 7, 7, + 14, 21, 21, 28, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 14, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 7, 7, 14, 24, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, + 31, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 6, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 14, 14, + 14, 14, 14, 21, 21, 21, 21, 21, + 28, 28, 28, 28, 28, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 49, 49, 56, 63, + 72, 79, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 21, 21, + 21, 21, 21, 28, 28, 28, 28, 28, + 35, 35, 35, 35, 35, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 49, + 49, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 39. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, + 7, 14, 14, 21, 21, 28, 28, 35, + 35, 35, 35, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 49, 49, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 40. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 14, 14, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 41. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 3, 4, + 4, 5, 6, 8, 9, 10, 11, 12, + 13, 14, 15, 16, 16, 17, 19, 20, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 42. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 6, 8, 11, + 12, 13, 14, 16, 18, 20, 21, 21, + 22, 23, 25, 26, 28, 31, 34, 35, + 36, 37, 40, 42, 43, 46, 48, 50, + 52, 54, 56, 57, 58, 59, 60, 62, + 64, 66, 68, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, + }, + { /* Fourth byte table 43. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 2, 3, 5, 7, + 9, 10, 12, 14, 16, 18, 20, 22, + 25, 27, 29, 32, 34, 36, 38, 40, + 42, 44, 46, 48, 50, 52, 54, 56, + 58, 61, 63, 65, 66, 68, 70, 72, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, + }, + { /* Fourth byte table 44. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 21, 21, 21, 21, + 21, 21, 24, 24, 24, 24, 24, 24, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 28, 30, 33, + 33, 33, 33, 33, 33, 33, 33, 33, + 34, 34, 34, 34, 40, 49, 49, 55, + 64, 64, 64, 64, 64, 66, 66, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, + }, + { /* Fourth byte table 45. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 2, 4, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 18, 18, 18, 18, 18, 18, 18, 18, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, + 19, 20, 21, 21, 21, 22, 23, 24, + 25, 26, 27, 28, 31, 32, 33, 34, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, + }, + { /* Fourth byte table 46. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 14, 15, 16, 17, + 17, 18, 19, 20, 21, 23, 23, 23, + 23, 23, 23, 23, 23, 23, 23, 23, + 23, 23, 23, 23, 23, 23, 23, 23, + 23, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, + }, + { /* Fourth byte table 47. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 7, 10, 10, 13, 16, + 18, 18, 21, 22, 23, 24, 25, 26, + 28, 29, 30, 31, 32, 32, 33, 35, + 35, 35, 36, 37, 38, 39, 40, 40, + 40, 42, 45, 47, 47, 48, 48, 51, + 51, 52, 52, 54, 58, 59, 60, 60, + 61, 62, 63, 63, 64, 65, 67, 69, + 71, 73, 74, 74, 77, 79, 81, 83, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, 85, 85, 85, 85, 85, 85, 85, + 85, + }, + { /* Fourth byte table 48. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 3, 3, 3, 4, 5, + 6, 7, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 13, 18, 23, 28, + 33, 38, 43, 48, 53, 58, 63, 68, + 72, 73, 75, 78, 80, 81, 83, 86, + 90, 92, 93, 95, 98, 99, 100, 101, + 102, 103, 105, 108, 110, 111, 113, 116, + 120, 122, 123, 125, 128, 129, 130, 131, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, + 132, + }, + { /* Fourth byte table 49. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 6, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, + }, + { /* Fourth byte table 50. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 6, 12, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, + }, + { /* Fourth byte table 51. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 6, 6, 6, + 6, 6, 12, 12, 12, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 24, 24, 30, + 30, 30, 30, 30, 30, 36, 45, 45, + 51, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, + }, + { /* Fourth byte table 52. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 6, 6, 6, 12, 12, 12, + 18, 18, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 28, 28, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 40, 44, + 48, 54, 60, 60, 60, 66, 72, 72, + 72, 78, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, + }, + { /* Fourth byte table 53. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 12, 12, 18, 24, 24, + 24, 30, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 36, 36, 36, + 36, 36, 36, 36, 36, 42, 48, 54, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, + }, + { /* Fourth byte table 54. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 24, 24, 24, + 24, 24, 24, 30, 36, 42, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 55. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 4, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, + }, + { /* Fourth byte table 56. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 11, 13, 15, 17, 19, 21, + 23, 25, 27, 29, 31, 34, 37, 40, + 43, 46, 49, 52, 55, 58, 62, 66, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, + }, + { /* Fourth byte table 57. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 53, 56, 59, 62, 65, 68, + 71, 74, 77, 80, 83, 86, 89, 92, + 95, 98, 101, 104, 107, 110, 113, 116, + 119, 122, 125, 128, 131, 134, 137, 140, + 143, 146, 149, 152, 155, 158, 161, 162, + 163, 164, 165, 166, 167, 168, 169, 170, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, + }, + { /* Fourth byte table 58. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, + 43, + }, + { /* Fourth byte table 59. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, + }, + { /* Fourth byte table 60. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 5, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, + }, + { /* Fourth byte table 61. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 6, + }, + { /* Fourth byte table 62. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 63. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 64. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 65. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 66. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 67. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 68. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, + }, + { /* Fourth byte table 69. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 4, + 4, 7, 10, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, + }, + { /* Fourth byte table 70. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 7, 7, 14, + 14, 21, 21, 28, 28, 35, 35, 42, + 42, 49, 49, 56, 56, 63, 63, 70, + 70, 77, 77, 84, 84, 84, 91, 91, + 98, 98, 105, 105, 105, 105, 105, 105, + 105, 112, 119, 119, 126, 133, 133, 140, + 147, 147, 154, 161, 161, 168, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, 175, 175, 175, 175, 175, 175, 175, + 175, + }, + { /* Fourth byte table 71. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 7, 7, 7, + 7, 7, 7, 7, 11, 15, 15, 22, + 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 35, 35, 42, + 42, 49, 49, 56, 56, 63, 63, 70, + 70, 77, 77, 84, 84, 91, 91, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, 98, 98, 98, 98, 98, 98, 98, + 98, + }, + { /* Fourth byte table 72. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 7, 14, 14, 14, 21, 21, + 28, 28, 35, 35, 35, 35, 35, 35, + 35, 42, 49, 49, 56, 63, 63, 70, + 77, 77, 84, 91, 91, 98, 105, 105, + 105, 105, 105, 105, 105, 105, 105, 105, + 105, 105, 105, 105, 105, 105, 105, 105, + 105, 105, 105, 105, 105, 112, 112, 112, + 119, 126, 133, 140, 140, 140, 140, 147, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, 153, 153, 153, 153, 153, 153, 153, + 153, + }, + { /* Fourth byte table 73. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 6, 9, 12, 15, 18, + 21, 24, 27, 30, 33, 36, 39, 42, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45, 45, + 45, + }, + { /* Fourth byte table 74. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, + }, + { /* Fourth byte table 75. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 45, 45, 45, 48, 51, 54, 57, 60, + 63, 66, 69, 72, 75, 78, 81, 84, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 76. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 15, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 23, 25, 27, 29, 31, 33, 35, + 37, 39, 41, 43, 45, 47, 49, 51, + 53, 56, 59, 62, 65, 68, 71, 74, + 77, 80, 83, 86, 89, 92, 95, 101, + 107, 113, 119, 125, 131, 137, 143, 149, + 155, 161, 167, 173, 179, 194, 206, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, 212, 212, 212, 212, 212, 212, 212, + 212, + }, + { /* Fourth byte table 77. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 149, 151, 153, 155, 157, 159, + 161, 163, 165, 167, 169, 171, 173, 175, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, 177, 177, 177, 177, 177, 177, 177, + 177, + }, + { /* Fourth byte table 78. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 41, 46, 51, 53, 56, 58, + 61, 64, 67, 70, 73, 76, 79, 82, + 85, 88, 91, 94, 97, 100, 103, 106, + 109, 112, 115, 118, 121, 124, 127, 130, + 133, 136, 139, 142, 145, 148, 151, 154, + 157, 160, 163, 166, 169, 172, 175, 178, + 181, 184, 187, 190, 193, 196, 199, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, 202, 202, 202, 202, 202, 202, 202, + 202, + }, + { /* Fourth byte table 79. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 7, 9, 11, 13, 15, + 17, 20, 24, 26, 28, 31, 34, 36, + 38, 40, 43, 46, 49, 52, 55, 57, + 59, 61, 63, 65, 68, 70, 72, 74, + 77, 80, 82, 85, 88, 91, 93, 96, + 101, 107, 109, 112, 115, 118, 121, 128, + 136, 138, 140, 143, 145, 147, 149, 152, + 154, 156, 158, 160, 162, 165, 167, 169, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, 171, 171, 171, 171, 171, 171, 171, + 171, + }, + { /* Fourth byte table 80. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 10, 12, 14, 16, 22, + 25, 27, 29, 31, 33, 35, 37, 39, + 41, 43, 45, 48, 50, 52, 55, 58, + 60, 64, 67, 69, 71, 73, 75, 80, + 85, 89, 93, 97, 101, 105, 109, 113, + 117, 121, 126, 131, 136, 141, 146, 151, + 156, 161, 166, 171, 176, 181, 186, 191, + 196, 201, 206, 211, 216, 221, 226, 231, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, 234, 234, 234, 234, 234, 234, 234, + 234, + }, + { /* Fourth byte table 81. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 56, + 56, 60, 60, 64, 64, 64, 68, 72, + 76, 80, 84, 88, 92, 96, 100, 104, + 104, 108, 108, 112, 112, 112, 116, 120, + 120, 120, 120, 124, 128, 132, 136, 136, + 136, 140, 144, 148, 152, 156, 160, 164, + 168, 172, 176, 180, 184, 188, 192, 196, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, 200, 200, 200, 200, 200, 200, 200, + 200, + }, + { /* Fourth byte table 82. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 172, 172, 172, 172, + 172, 176, 180, 184, 188, 192, 196, 200, + 204, 208, 212, 216, 220, 224, 228, 232, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, 236, 236, 236, 236, 236, 236, 236, + 236, + }, + { /* Fourth byte table 83. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 65, 70, 75, 79, 83, 87, 92, 97, + 102, 106, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, 110, 110, 110, 110, 110, 110, 110, + 110, + }, + { /* Fourth byte table 84. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 9, 12, 14, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 20, 24, 28, 32, + 36, 36, 36, 36, 36, 36, 41, 41, + 46, 48, 50, 52, 54, 56, 58, 60, + 62, 64, 65, 70, 75, 82, 89, 94, + 99, 104, 109, 114, 119, 124, 129, 134, + 134, 139, 144, 149, 154, 159, 159, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, + }, + { /* Fourth byte table 85. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 10, 15, 20, 20, 25, + 30, 35, 40, 45, 50, 55, 60, 65, + 69, 71, 73, 75, 77, 79, 81, 83, + 85, 87, 89, 91, 93, 95, 97, 99, + 101, 103, 105, 107, 109, 111, 113, 115, + 117, 119, 121, 123, 125, 127, 129, 131, + 133, 135, 137, 139, 141, 143, 145, 147, + 149, 151, 153, 155, 157, 159, 161, 163, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, 165, 165, 165, 165, 165, 165, 165, + 165, + }, + { /* Fourth byte table 86. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 66, 68, 70, 72, 76, 80, 82, + 84, 86, 88, 90, 92, 94, 96, 98, + 100, 104, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, 108, 108, 108, 108, 108, 108, 108, + 108, + }, + { /* Fourth byte table 87. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 2, 4, 6, 8, + 10, 12, 14, 16, 18, 20, 24, 26, + 28, 30, 32, 34, 36, 38, 40, 42, + 44, 46, 48, 54, 60, 66, 72, 78, + 84, 90, 96, 102, 108, 114, 120, 126, + 132, 138, 144, 150, 156, 158, 160, 162, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, 164, 164, 164, 164, 164, 164, 164, + 164, + }, + { /* Fourth byte table 88. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, 248, 248, 248, 248, 248, 248, 248, + 248, + }, + { /* Fourth byte table 89. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 54, 60, 68, 76, 84, 92, 100, + 108, 116, 122, 155, 170, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, 178, 178, 178, 178, 178, 178, 178, + 178, + }, + { /* Fourth byte table 90. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 4, 7, 8, 9, 10, 11, + 14, 17, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 22, 25, 28, 29, 30, 31, 32, + 33, 34, 37, 40, 43, 46, 49, 52, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, + }, + { /* Fourth byte table 91. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 15, 15, + 16, 17, 20, 23, 26, 29, 30, 31, + 32, 33, 36, 37, 37, 38, 39, 40, + 41, 44, 45, 46, 47, 48, 51, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 62, 63, 64, 65, 66, 66, 66, 66, + 66, 69, 73, 76, 76, 79, 79, 82, + 86, 89, 93, 96, 100, 103, 107, 110, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, + }, + { /* Fourth byte table 92. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 6, 10, 14, 18, 22, 26, + 30, 34, 38, 42, 46, 50, 52, 54, + 56, 58, 60, 62, 64, 66, 68, 70, + 72, 74, 76, 78, 80, 82, 84, 86, + 88, 90, 92, 94, 96, 98, 100, 102, + 104, 106, 108, 110, 112, 114, 116, 118, + 120, 122, 124, 126, 128, 130, 132, 134, + 136, 138, 140, 142, 144, 146, 148, 150, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, + }, + { /* Fourth byte table 93. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 66, 68, 70, 72, 74, 76, 78, + 80, 82, 84, 86, 88, 90, 92, 94, + 96, 98, 100, 102, 104, 106, 112, 118, + 124, 130, 136, 142, 146, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 150, 150, 150, 150, + 150, + }, + { /* Fourth byte table 94. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 1, 2, 3, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 95. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 34, 37, 40, 43, 46, 49, 52, 55, + 58, 61, 64, 67, 70, 73, 76, 79, + 82, 85, 88, 91, 94, 97, 100, 103, + 106, 109, 112, 115, 118, 121, 124, 127, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 96. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 144, 147, 150, 153, 156, 159, 162, 165, + 168, 171, 174, 177, 180, 183, 186, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, 189, 189, 189, 189, 189, 189, 189, + 189, + }, + { /* Fourth byte table 97. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 3, 6, 9, 12, 15, + 18, 18, 18, 21, 24, 27, 30, 33, + 36, 36, 36, 39, 42, 45, 48, 51, + 54, 54, 54, 57, 60, 63, 63, 63, + 63, 65, 67, 69, 72, 74, 76, 79, + 79, 82, 85, 88, 91, 94, 97, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, + 100, + }, + { /* Fourth byte table 98. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 9, + 18, 31, 44, 57, 70, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, + }, + { /* Fourth byte table 99. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 9, 18, 31, 44, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, + }, + { /* Fourth byte table 100. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, + 13, + }, + { /* Fourth byte table 101. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 102. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 103. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 29, 30, + 31, 31, 31, 32, 32, 32, 33, 34, + 34, 34, 35, 36, 37, 38, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 50, 51, 51, 52, 53, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 104. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 105. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 6, + 7, 8, 9, 10, 10, 10, 11, 12, + 13, 14, 15, 16, 17, 18, 18, 19, + 20, 21, 22, 23, 24, 25, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 53, 54, 55, 56, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, + }, + { /* Fourth byte table 106. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 5, 6, + 6, 6, 6, 7, 8, 9, 10, 11, + 12, 13, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, 59, 59, 59, 59, 59, 59, 59, + 59, + }, + { /* Fourth byte table 107. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 108. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 109. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 110. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 111. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 38, 40, 40, + 40, 42, 44, 46, 48, 50, 52, 54, + 56, 58, 60, 62, 64, 66, 68, 70, + 72, 74, 76, 78, 80, 82, 84, 86, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, + }, + { /* Fourth byte table 112. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 5, 7, 9, 11, 13, 15, + 17, 19, 21, 23, 25, 27, 29, 31, + 33, 35, 37, 39, 41, 43, 45, 47, + 49, 51, 53, 55, 58, 60, 62, 64, + 66, 68, 70, 72, 74, 76, 78, 80, + 82, 84, 86, 88, 90, 92, 94, 96, + 98, 100, 102, 104, 106, 108, 110, 112, + 114, 116, 118, 120, 123, 125, 127, 129, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, 131, 131, 131, 131, 131, 131, 131, + 131, + }, + { /* Fourth byte table 113. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 45, 47, + 49, 51, 53, 55, 57, 59, 61, 63, + 65, 67, 69, 71, 73, 75, 77, 79, + 81, 83, 85, 87, 89, 91, 93, 95, + 97, 99, 101, 103, 105, 107, 110, 112, + 114, 116, 118, 120, 122, 124, 126, 128, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 114. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 33, 35, 37, 39, 41, 43, 45, 47, + 49, 51, 53, 55, 57, 59, 61, 63, + 65, 67, 69, 71, 73, 75, 77, 79, + 81, 83, 85, 87, 89, 91, 93, 95, + 98, 100, 102, 104, 106, 108, 110, 112, + 114, 116, 118, 120, 122, 124, 126, 128, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 115. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 21, 23, 25, 27, 29, 31, + 33, 35, 37, 39, 41, 43, 45, 47, + 49, 51, 53, 55, 57, 59, 61, 63, + 65, 67, 69, 71, 73, 75, 77, 79, + 81, 83, 86, 88, 90, 92, 94, 96, + 98, 100, 102, 104, 106, 108, 110, 112, + 114, 116, 118, 120, 122, 124, 126, 128, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, 130, 130, 130, 130, 130, 130, 130, + 130, + }, + { /* Fourth byte table 116. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 9, 11, 13, 15, + 17, 19, 21, 23, 25, 25, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, + 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, 71, 72, 73, 74, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 75, 75, 75, 75, + 75, + }, + { /* Fourth byte table 117. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 9, 13, 17, 21, 25, 29, + 33, 37, 42, 46, 50, 54, 58, 62, + 66, 71, 75, 80, 85, 90, 94, 98, + 102, 106, 110, 114, 118, 122, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, 127, 127, 127, 127, 127, 127, 127, + 127, + }, + }, +}; + +static const uint16_t u8_decomp_b4_16bit_tbl[2][30][257] = { + { + { /* Fourth byte 16-bit table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 38, 44, 48, 52, 56, 60, 64, + 68, 72, 76, 80, 84, 90, 96, 102, + 108, 112, 116, 120, 124, 130, 136, 140, + 144, 148, 152, 156, 160, 164, 168, 172, + 176, 180, 184, 188, 192, 196, 200, 206, + 212, 216, 220, 224, 228, 232, 236, 240, + 244, 250, 256, 260, 264, 268, 272, 276, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, + }, + { /* Fourth byte 16-bit table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 54, 60, 66, + 72, 78, 84, 90, 96, 100, 104, 108, + 112, 116, 120, 124, 128, 134, 140, 144, + 148, 152, 156, 160, 164, 170, 176, 182, + 188, 194, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 262, 268, 274, 280, 284, 288, 292, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, + }, + { /* Fourth byte 16-bit table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 107, 116, 116, 116, 116, + 116, 120, 124, 128, 132, 138, 144, 150, + 156, 162, 168, 174, 180, 186, 192, 198, + 204, 210, 216, 222, 228, 234, 240, 246, + 252, 256, 260, 264, 268, 272, 276, 282, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, + }, + { /* Fourth byte 16-bit table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 52, 56, 60, 64, 68, 72, 76, + 80, 86, 92, 98, 104, 110, 116, 122, + 128, 134, 140, 146, 152, 158, 164, 170, + 176, 182, 188, 194, 200, 204, 208, 212, + 216, 222, 228, 234, 240, 246, 252, 258, + 264, 270, 276, 280, 284, 288, 292, 296, + 300, 304, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, + }, + { /* Fourth byte 16-bit table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 17, 24, 31, 38, 45, + 52, 57, 62, 69, 76, 83, 90, 97, + 104, 109, 114, 121, 128, 135, 142, 142, + 142, 147, 152, 159, 166, 173, 180, 180, + 180, 185, 190, 197, 204, 211, 218, 225, + 232, 237, 242, 249, 256, 263, 270, 277, + 284, 289, 294, 301, 308, 315, 322, 329, + 336, 341, 346, 353, 360, 367, 374, 381, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, + }, + { /* Fourth byte 16-bit table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 17, 24, 31, 38, 38, + 38, 43, 48, 55, 62, 69, 76, 76, + 76, 81, 86, 93, 100, 107, 114, 121, + 128, 128, 133, 133, 140, 140, 147, 147, + 154, 159, 164, 171, 178, 185, 192, 199, + 206, 211, 216, 223, 230, 237, 244, 251, + 258, 263, 268, 273, 278, 283, 288, 293, + 298, 303, 308, 313, 318, 323, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, + }, + { /* Fourth byte 16-bit table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 14, 23, 32, 41, 50, 59, + 68, 75, 82, 91, 100, 109, 118, 127, + 136, 143, 150, 159, 168, 177, 186, 195, + 204, 211, 218, 227, 236, 245, 254, 263, + 272, 279, 286, 295, 304, 313, 322, 331, + 340, 347, 354, 363, 372, 381, 390, 399, + 408, 413, 418, 425, 430, 437, 437, 442, + 449, 454, 459, 464, 469, 474, 477, 480, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, + }, + { /* Fourth byte 16-bit table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 14, 21, 26, 33, 33, 38, + 45, 50, 55, 60, 65, 70, 82, 94, + 106, 111, 116, 123, 130, 130, 130, 135, + 142, 147, 152, 157, 162, 162, 174, 186, + 198, 203, 208, 215, 222, 227, 232, 237, + 244, 249, 254, 259, 264, 269, 280, 291, + 293, 293, 293, 300, 305, 312, 312, 317, + 324, 329, 334, 339, 344, 349, 356, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, + }, + { /* Fourth byte 16-bit table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 15, 20, 25, 30, 35, + 40, 45, 50, 55, 60, 65, 70, 78, + 86, 94, 102, 110, 118, 126, 134, 142, + 150, 158, 166, 174, 182, 190, 190, 190, + 190, 195, 200, 205, 210, 215, 220, 225, + 230, 235, 240, 245, 250, 255, 260, 265, + 270, 275, 280, 285, 290, 295, 300, 305, + 310, 315, 320, 325, 330, 335, 340, 345, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, 350, 350, 350, 350, 350, 350, 350, + 350, + }, + { /* Fourth byte 16-bit table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 27, 42, 51, 66, 75, 84, + 102, 114, 123, 132, 141, 153, 165, 177, + 189, 201, 213, 225, 243, 249, 267, 285, + 300, 312, 330, 348, 360, 369, 378, 390, + 402, 417, 432, 441, 450, 462, 471, 480, + 486, 492, 501, 510, 528, 540, 555, 573, + 585, 594, 603, 621, 633, 651, 660, 675, + 684, 696, 705, 717, 732, 744, 759, 771, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, + }, + { /* Fourth byte 16-bit table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 24, 33, 45, 54, 63, 72, + 87, 99, 105, 123, 132, 147, 159, 171, + 180, 189, 201, 207, 219, 234, 240, 258, + 267, 271, 275, 279, 283, 287, 291, 295, + 299, 303, 307, 312, 317, 322, 327, 332, + 337, 342, 347, 352, 357, 362, 367, 372, + 377, 382, 385, 387, 389, 392, 394, 396, + 396, 396, 396, 396, 402, 408, 414, 420, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, 432, 432, 432, 432, 432, 432, 432, + 432, + }, + { /* Fourth byte 16-bit table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 34, 38, + 42, 46, 50, 54, 58, 62, 66, 70, + 74, 78, 82, 86, 90, 94, 98, 102, + 106, 110, 114, 118, 122, 126, 130, 134, + 138, 142, 146, 150, 154, 158, 162, 166, + 170, 174, 178, 182, 186, 190, 194, 198, + 202, 206, 210, 214, 218, 222, 226, 230, + 234, 238, 242, 246, 250, 254, 258, 262, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, + }, + { /* Fourth byte 16-bit table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 125, + 130, 135, 140, 145, 150, 156, 162, 168, + 174, 180, 186, 190, 194, 198, 202, 206, + 210, 214, 218, 222, 226, 230, 234, 238, + 242, 246, 250, 254, 258, 262, 266, 270, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, + }, + { /* Fourth byte 16-bit table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 98, 104, 110, 116, 122, 126, 130, 134, + 138, 142, 146, 150, 154, 158, 162, 166, + 170, 174, 178, 182, 186, 190, 194, 198, + 202, 206, 210, 214, 218, 222, 226, 230, + 234, 238, 242, 246, 250, 254, 258, 262, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, + }, + { /* Fourth byte 16-bit table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 130, 136, 140, 144, 148, 152, 156, 160, + 164, 168, 172, 176, 180, 184, 188, 192, + 196, 200, 204, 210, 216, 222, 226, 230, + 234, 238, 242, 246, 250, 254, 258, 262, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, + }, + { /* Fourth byte 16-bit table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 54, 60, 66, 72, 78, 84, 90, + 96, 102, 108, 114, 120, 126, 132, 138, + 144, 150, 156, 162, 168, 174, 180, 186, + 192, 198, 204, 210, 216, 222, 228, 234, + 240, 246, 252, 258, 264, 270, 276, 282, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, + }, + { /* Fourth byte 16-bit table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 54, 60, 66, 72, 78, 84, 90, + 96, 96, 96, 102, 108, 114, 120, 126, + 132, 138, 144, 150, 156, 162, 168, 174, + 180, 186, 192, 198, 204, 210, 216, 222, + 228, 234, 240, 246, 252, 258, 264, 270, + 276, 282, 288, 294, 300, 306, 312, 318, + 324, 330, 336, 342, 348, 354, 360, 366, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, + }, + { /* Fourth byte 16-bit table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 17, 21, 25, 29, + 33, 37, 41, 45, 49, 53, 58, 62, + 66, 70, 74, 79, 83, 87, 91, 96, + 100, 104, 108, 112, 116, 121, 125, 129, + 133, 137, 141, 145, 149, 153, 157, 161, + 165, 169, 173, 177, 181, 185, 189, 193, + 197, 201, 205, 209, 213, 218, 222, 226, + 230, 235, 239, 243, 247, 251, 255, 259, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, + }, + { /* Fourth byte 16-bit table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 105, 109, 113, 117, 121, 125, + 129, 134, 139, 143, 147, 151, 155, 159, + 163, 167, 171, 175, 179, 184, 188, 192, + 196, 200, 205, 209, 213, 217, 221, 225, + 229, 233, 237, 241, 246, 250, 255, 259, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, + }, + { /* Fourth byte 16-bit table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 41, 45, 49, 53, 57, 61, + 66, 70, 75, 80, 84, 88, 92, 96, + 101, 106, 110, 114, 118, 122, 126, 130, + 134, 138, 142, 146, 150, 155, 159, 163, + 167, 171, 175, 179, 183, 187, 191, 195, + 199, 203, 207, 211, 215, 219, 223, 227, + 231, 236, 240, 244, 248, 252, 256, 261, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, + }, + { /* Fourth byte 16-bit table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 45, 49, 53, 57, 61, + 65, 69, 73, 77, 81, 85, 89, 93, + 97, 101, 105, 109, 113, 117, 122, 126, + 130, 134, 138, 142, 147, 151, 155, 159, + 163, 167, 171, 175, 179, 184, 188, 192, + 196, 201, 205, 209, 213, 217, 221, 225, + 230, 235, 240, 244, 249, 253, 257, 261, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, + }, + { /* Fourth byte 16-bit table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 29, + 33, 37, 41, 45, 49, 53, 58, 62, + 66, 71, 76, 80, 84, 88, 92, 96, + 100, 104, 108, 112, 117, 121, 126, 130, + 135, 139, 143, 147, 152, 156, 160, 165, + 170, 174, 178, 182, 186, 190, 194, 198, + 202, 206, 210, 214, 218, 222, 227, 231, + 236, 240, 245, 249, 254, 259, 264, 268, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, + }, + { /* Fourth byte 16-bit table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 9, 14, 19, 24, 28, 32, + 36, 40, 44, 48, 52, 56, 61, 65, + 69, 73, 77, 82, 86, 91, 96, 100, + 104, 108, 112, 116, 120, 125, 130, 135, + 139, 143, 148, 152, 156, 160, 165, 169, + 173, 177, 181, 185, 190, 194, 198, 202, + 206, 210, 214, 219, 224, 228, 233, 237, + 242, 246, 250, 254, 259, 264, 268, 273, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, + }, + { /* Fourth byte 16-bit table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 9, 13, 17, 21, 25, 29, + 34, 39, 44, 49, 53, 57, 61, 65, + 69, 73, 77, 81, 85, 89, 93, 97, + 102, 106, 110, 114, 118, 122, 126, 130, + 134, 138, 142, 146, 150, 155, 160, 165, + 169, 173, 177, 181, 186, 190, 195, 199, + 203, 208, 213, 217, 221, 225, 229, 233, + 237, 241, 245, 249, 253, 257, 261, 265, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, + }, + { /* Fourth byte 16-bit table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 25, 29, + 33, 37, 41, 45, 50, 55, 59, 63, + 67, 71, 75, 79, 84, 88, 92, 96, + 100, 105, 110, 114, 118, 122, 127, 131, + 135, 140, 145, 149, 153, 157, 162, 166, + 170, 174, 178, 182, 186, 190, 195, 199, + 203, 207, 212, 216, 220, 224, 228, 233, + 238, 242, 246, 250, 255, 259, 264, 268, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, + }, + { /* Fourth byte 16-bit table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + }, + { + { /* Fourth byte 16-bit table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 38, 44, 48, 52, 56, 60, 64, + 68, 72, 76, 80, 84, 90, 96, 102, + 108, 112, 116, 120, 124, 130, 136, 140, + 144, 148, 152, 156, 160, 164, 168, 172, + 176, 180, 184, 188, 192, 196, 200, 206, + 212, 216, 220, 224, 228, 232, 236, 240, + 244, 250, 256, 260, 264, 268, 272, 276, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, 280, 280, 280, 280, 280, 280, 280, + 280, + }, + { /* Fourth byte 16-bit table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 54, 60, 66, + 72, 78, 84, 90, 96, 100, 104, 108, + 112, 116, 120, 124, 128, 134, 140, 144, + 148, 152, 156, 160, 164, 170, 176, 182, + 188, 194, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 262, 268, 274, 280, 284, 288, 292, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, 296, 296, 296, 296, 296, 296, 296, + 296, + }, + { /* Fourth byte 16-bit table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 107, 116, 116, 116, 116, + 116, 120, 124, 128, 132, 138, 144, 150, + 156, 162, 168, 174, 180, 186, 192, 198, + 204, 210, 216, 222, 228, 234, 240, 246, + 252, 256, 260, 264, 268, 272, 276, 282, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, + }, + { /* Fourth byte 16-bit table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 52, 56, 60, 64, 68, 72, 76, + 80, 86, 92, 98, 104, 110, 116, 122, + 128, 134, 140, 146, 152, 158, 164, 170, + 176, 182, 188, 194, 200, 204, 208, 212, + 216, 222, 228, 234, 240, 246, 252, 258, + 264, 270, 276, 280, 284, 288, 292, 296, + 300, 304, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, 308, 308, 308, 308, 308, 308, 308, + 308, + }, + { /* Fourth byte 16-bit table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 17, 24, 31, 38, 45, + 52, 57, 62, 69, 76, 83, 90, 97, + 104, 109, 114, 121, 128, 135, 142, 142, + 142, 147, 152, 159, 166, 173, 180, 180, + 180, 185, 190, 197, 204, 211, 218, 225, + 232, 237, 242, 249, 256, 263, 270, 277, + 284, 289, 294, 301, 308, 315, 322, 329, + 336, 341, 346, 353, 360, 367, 374, 381, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, 388, 388, 388, 388, 388, 388, 388, + 388, + }, + { /* Fourth byte 16-bit table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 17, 24, 31, 38, 38, + 38, 43, 48, 55, 62, 69, 76, 76, + 76, 81, 86, 93, 100, 107, 114, 121, + 128, 128, 133, 133, 140, 140, 147, 147, + 154, 159, 164, 171, 178, 185, 192, 199, + 206, 211, 216, 223, 230, 237, 244, 251, + 258, 263, 268, 273, 278, 283, 288, 293, + 298, 303, 308, 313, 318, 323, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, 328, 328, 328, 328, 328, 328, 328, + 328, + }, + { /* Fourth byte 16-bit table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 7, 14, 23, 32, 41, 50, 59, + 68, 75, 82, 91, 100, 109, 118, 127, + 136, 143, 150, 159, 168, 177, 186, 195, + 204, 211, 218, 227, 236, 245, 254, 263, + 272, 279, 286, 295, 304, 313, 322, 331, + 340, 347, 354, 363, 372, 381, 390, 399, + 408, 413, 418, 425, 430, 437, 437, 442, + 449, 454, 459, 464, 469, 474, 477, 480, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, 483, 483, 483, 483, 483, 483, 483, + 483, + }, + { /* Fourth byte 16-bit table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 14, 21, 26, 33, 33, 38, + 45, 50, 55, 60, 65, 70, 82, 94, + 106, 111, 116, 123, 130, 130, 130, 135, + 142, 147, 152, 157, 162, 162, 174, 186, + 198, 203, 208, 215, 222, 227, 232, 237, + 244, 249, 254, 259, 264, 269, 280, 291, + 293, 293, 293, 300, 305, 312, 312, 317, + 324, 329, 334, 339, 344, 349, 356, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, 359, 359, 359, 359, 359, 359, 359, + 359, + }, + { /* Fourth byte 16-bit table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 10, 15, 20, 25, 30, 35, + 40, 45, 50, 55, 60, 65, 70, 78, + 86, 94, 102, 110, 118, 126, 134, 142, + 150, 158, 166, 174, 182, 190, 207, 221, + 221, 226, 231, 236, 241, 246, 251, 256, + 261, 266, 271, 276, 281, 286, 291, 296, + 301, 306, 311, 316, 321, 326, 331, 336, + 341, 346, 351, 356, 361, 366, 371, 376, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 381, + 381, + }, + { /* Fourth byte 16-bit table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 27, 42, 51, 66, 75, 84, + 102, 114, 123, 132, 141, 153, 165, 177, + 189, 201, 213, 225, 243, 249, 267, 285, + 300, 312, 330, 348, 360, 369, 378, 390, + 402, 417, 432, 441, 450, 462, 471, 480, + 486, 492, 501, 510, 528, 540, 555, 573, + 585, 594, 603, 621, 633, 651, 660, 675, + 684, 696, 705, 717, 732, 744, 759, 771, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, + 777, + }, + { /* Fourth byte 16-bit table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 15, 24, 33, 45, 54, 63, 72, + 87, 99, 105, 123, 132, 147, 159, 171, + 180, 189, 201, 207, 219, 234, 240, 258, + 267, 271, 275, 279, 283, 287, 291, 295, + 299, 303, 307, 312, 317, 322, 327, 332, + 337, 342, 347, 352, 357, 362, 367, 372, + 377, 382, 385, 387, 389, 392, 394, 396, + 398, 401, 404, 406, 412, 418, 424, 430, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, 442, 442, 442, 442, 442, 442, 442, + 442, + }, + { /* Fourth byte 16-bit table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 164, 168, 172, 176, 180, 184, 188, + 192, 196, 200, 204, 208, 212, 216, 220, + 224, 228, 232, 236, 240, 244, 248, 252, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, 256, 256, 256, 256, 256, 256, 256, + 256, + }, + { /* Fourth byte 16-bit table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 34, 38, + 42, 46, 50, 54, 58, 62, 66, 70, + 74, 78, 82, 86, 90, 94, 98, 102, + 106, 110, 114, 118, 122, 126, 130, 134, + 138, 142, 146, 150, 154, 158, 162, 166, + 170, 174, 178, 182, 186, 190, 194, 198, + 202, 206, 210, 214, 218, 222, 226, 230, + 234, 238, 242, 246, 250, 254, 258, 262, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, + }, + { /* Fourth byte 16-bit table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 125, + 130, 135, 140, 145, 150, 156, 162, 168, + 174, 180, 186, 190, 194, 198, 202, 206, + 210, 214, 218, 222, 226, 230, 234, 238, + 242, 246, 250, 254, 258, 262, 266, 270, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, 274, 274, 274, 274, 274, 274, 274, + 274, + }, + { /* Fourth byte 16-bit table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 98, 104, 110, 116, 122, 126, 130, 134, + 138, 142, 146, 150, 154, 158, 162, 166, + 170, 174, 178, 182, 186, 190, 194, 198, + 202, 206, 210, 214, 218, 222, 226, 230, + 234, 238, 242, 246, 250, 254, 258, 262, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, + }, + { /* Fourth byte 16-bit table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 130, 136, 140, 144, 148, 152, 156, 160, + 164, 168, 172, 176, 180, 184, 188, 192, + 196, 200, 204, 210, 216, 222, 226, 230, + 234, 238, 242, 246, 250, 254, 258, 262, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, 266, 266, 266, 266, 266, 266, 266, + 266, + }, + { /* Fourth byte 16-bit table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 54, 60, 66, 72, 78, 84, 90, + 96, 102, 108, 114, 120, 126, 132, 138, + 144, 150, 156, 162, 168, 174, 180, 186, + 192, 198, 204, 210, 216, 222, 228, 234, + 240, 246, 252, 258, 264, 270, 276, 282, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, 288, 288, 288, 288, 288, 288, 288, + 288, + }, + { /* Fourth byte 16-bit table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 12, 18, 24, 30, 36, 42, + 48, 54, 60, 66, 72, 78, 84, 90, + 96, 96, 96, 102, 108, 114, 120, 126, + 132, 138, 144, 150, 156, 162, 168, 174, + 180, 186, 192, 198, 204, 210, 216, 222, + 228, 234, 240, 246, 252, 258, 264, 270, + 276, 282, 288, 294, 300, 306, 312, 318, + 324, 330, 336, 342, 348, 354, 360, 366, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, 372, 372, 372, 372, 372, 372, 372, + 372, + }, + { /* Fourth byte 16-bit table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 17, 21, 25, 29, + 33, 37, 41, 45, 49, 53, 58, 62, + 66, 70, 74, 79, 83, 87, 91, 96, + 100, 104, 108, 112, 116, 121, 125, 129, + 133, 137, 141, 145, 149, 153, 157, 161, + 165, 169, 173, 177, 181, 185, 189, 193, + 197, 201, 205, 209, 213, 218, 222, 226, + 230, 235, 239, 243, 247, 251, 255, 259, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, + }, + { /* Fourth byte 16-bit table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 105, 109, 113, 117, 121, 125, + 129, 134, 139, 143, 147, 151, 155, 159, + 163, 167, 171, 175, 179, 184, 188, 192, + 196, 200, 205, 209, 213, 217, 221, 225, + 229, 233, 237, 241, 246, 250, 255, 259, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, 263, 263, 263, 263, 263, 263, 263, + 263, + }, + { /* Fourth byte 16-bit table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 41, 45, 49, 53, 57, 61, + 66, 70, 75, 80, 84, 88, 92, 96, + 101, 106, 110, 114, 118, 122, 126, 130, + 134, 138, 142, 146, 150, 155, 159, 163, + 167, 171, 175, 179, 183, 187, 191, 195, + 199, 203, 207, 211, 215, 219, 223, 227, + 231, 236, 240, 244, 248, 252, 256, 261, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, + }, + { /* Fourth byte 16-bit table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 45, 49, 53, 57, 61, + 65, 69, 73, 77, 81, 85, 89, 93, + 97, 101, 105, 109, 113, 117, 122, 126, + 130, 134, 138, 142, 147, 151, 155, 159, + 163, 167, 171, 175, 179, 184, 188, 192, + 196, 201, 205, 209, 213, 217, 221, 225, + 230, 235, 240, 244, 249, 253, 257, 261, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, 265, 265, 265, 265, 265, 265, 265, + 265, + }, + { /* Fourth byte 16-bit table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 29, + 33, 37, 41, 45, 49, 53, 58, 62, + 66, 71, 76, 80, 84, 88, 92, 96, + 100, 104, 108, 112, 117, 121, 126, 130, + 135, 139, 143, 147, 152, 156, 160, 165, + 170, 174, 178, 182, 186, 190, 194, 198, + 202, 206, 210, 214, 218, 222, 227, 231, + 236, 240, 245, 249, 254, 259, 264, 268, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, + }, + { /* Fourth byte 16-bit table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 9, 14, 19, 24, 28, 32, + 36, 40, 44, 48, 52, 56, 61, 65, + 69, 73, 77, 82, 86, 91, 96, 100, + 104, 108, 112, 116, 120, 125, 130, 135, + 139, 143, 148, 152, 156, 160, 165, 169, + 173, 177, 181, 185, 190, 194, 198, 202, + 206, 210, 214, 219, 224, 228, 233, 237, + 242, 246, 250, 254, 259, 264, 268, 273, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, 277, 277, 277, 277, 277, 277, 277, + 277, + }, + { /* Fourth byte 16-bit table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 9, 13, 17, 21, 25, 29, + 34, 39, 44, 49, 53, 57, 61, 65, + 69, 73, 77, 81, 85, 89, 93, 97, + 102, 106, 110, 114, 118, 122, 126, 130, + 134, 138, 142, 146, 150, 155, 160, 165, + 169, 173, 177, 181, 186, 190, 195, 199, + 203, 208, 213, 217, 221, 225, 229, 233, + 237, 241, 245, 249, 253, 257, 261, 265, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, 269, 269, 269, 269, 269, 269, 269, + 269, + }, + { /* Fourth byte 16-bit table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 25, 29, + 33, 37, 41, 45, 50, 55, 59, 63, + 67, 71, 75, 79, 84, 88, 92, 96, + 100, 105, 110, 114, 118, 122, 127, 131, + 135, 140, 145, 149, 153, 157, 162, 166, + 170, 174, 178, 182, 186, 190, 195, 199, + 203, 207, 212, 216, 220, 224, 228, 233, + 238, 242, 246, 250, 255, 259, 264, 268, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, 272, 272, 272, 272, 272, 272, 272, + 272, + }, + }, +}; + +static const uchar_t u8_decomp_final_tbl[2][19370] = { + { + 0x20, 0x20, 0xCC, 0x88, 0x61, 0x20, 0xCC, 0x84, + 0x32, 0x33, 0x20, 0xCC, 0x81, 0xCE, 0xBC, 0x20, + 0xCC, 0xA7, 0x31, 0x6F, 0x31, 0xE2, 0x81, 0x84, + 0x34, 0x31, 0xE2, 0x81, 0x84, 0x32, 0x33, 0xE2, + 0x81, 0x84, 0x34, 0xF6, 0x41, 0xCC, 0x80, 0xF6, + 0x41, 0xCC, 0x81, 0xF6, 0x41, 0xCC, 0x82, 0xF6, + 0x41, 0xCC, 0x83, 0xF6, 0x41, 0xCC, 0x88, 0xF6, + 0x41, 0xCC, 0x8A, 0xF6, 0x43, 0xCC, 0xA7, 0xF6, + 0x45, 0xCC, 0x80, 0xF6, 0x45, 0xCC, 0x81, 0xF6, + 0x45, 0xCC, 0x82, 0xF6, 0x45, 0xCC, 0x88, 0xF6, + 0x49, 0xCC, 0x80, 0xF6, 0x49, 0xCC, 0x81, 0xF6, + 0x49, 0xCC, 0x82, 0xF6, 0x49, 0xCC, 0x88, 0xF6, + 0x4E, 0xCC, 0x83, 0xF6, 0x4F, 0xCC, 0x80, 0xF6, + 0x4F, 0xCC, 0x81, 0xF6, 0x4F, 0xCC, 0x82, 0xF6, + 0x4F, 0xCC, 0x83, 0xF6, 0x4F, 0xCC, 0x88, 0xF6, + 0x55, 0xCC, 0x80, 0xF6, 0x55, 0xCC, 0x81, 0xF6, + 0x55, 0xCC, 0x82, 0xF6, 0x55, 0xCC, 0x88, 0xF6, + 0x59, 0xCC, 0x81, 0xF6, 0x61, 0xCC, 0x80, 0xF6, + 0x61, 0xCC, 0x81, 0xF6, 0x61, 0xCC, 0x82, 0xF6, + 0x61, 0xCC, 0x83, 0xF6, 0x61, 0xCC, 0x88, 0xF6, + 0x61, 0xCC, 0x8A, 0xF6, 0x63, 0xCC, 0xA7, 0xF6, + 0x65, 0xCC, 0x80, 0xF6, 0x65, 0xCC, 0x81, 0xF6, + 0x65, 0xCC, 0x82, 0xF6, 0x65, 0xCC, 0x88, 0xF6, + 0x69, 0xCC, 0x80, 0xF6, 0x69, 0xCC, 0x81, 0xF6, + 0x69, 0xCC, 0x82, 0xF6, 0x69, 0xCC, 0x88, 0xF6, + 0x6E, 0xCC, 0x83, 0xF6, 0x6F, 0xCC, 0x80, 0xF6, + 0x6F, 0xCC, 0x81, 0xF6, 0x6F, 0xCC, 0x82, 0xF6, + 0x6F, 0xCC, 0x83, 0xF6, 0x6F, 0xCC, 0x88, 0xF6, + 0x75, 0xCC, 0x80, 0xF6, 0x75, 0xCC, 0x81, 0xF6, + 0x75, 0xCC, 0x82, 0xF6, 0x75, 0xCC, 0x88, 0xF6, + 0x79, 0xCC, 0x81, 0xF6, 0x79, 0xCC, 0x88, 0xF6, + 0x41, 0xCC, 0x84, 0xF6, 0x61, 0xCC, 0x84, 0xF6, + 0x41, 0xCC, 0x86, 0xF6, 0x61, 0xCC, 0x86, 0xF6, + 0x41, 0xCC, 0xA8, 0xF6, 0x61, 0xCC, 0xA8, 0xF6, + 0x43, 0xCC, 0x81, 0xF6, 0x63, 0xCC, 0x81, 0xF6, + 0x43, 0xCC, 0x82, 0xF6, 0x63, 0xCC, 0x82, 0xF6, + 0x43, 0xCC, 0x87, 0xF6, 0x63, 0xCC, 0x87, 0xF6, + 0x43, 0xCC, 0x8C, 0xF6, 0x63, 0xCC, 0x8C, 0xF6, + 0x44, 0xCC, 0x8C, 0xF6, 0x64, 0xCC, 0x8C, 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0xA3, 0xB2, + 0xBC, 0xF6, 0xE6, 0xB2, 0xBF, 0xF6, 0xE6, 0xB3, + 0x8D, 0xF6, 0xE6, 0xB1, 0xA7, 0xF6, 0xE6, 0xB4, + 0x96, 0xF6, 0xE6, 0xB4, 0xBE, 0xF6, 0xE6, 0xB5, + 0xB7, 0xF6, 0xE6, 0xB5, 0x81, 0xF6, 0xE6, 0xB5, + 0xA9, 0xF6, 0xE6, 0xB5, 0xB8, 0xF6, 0xE6, 0xB6, + 0x85, 0xF6, 0xF0, 0xA3, 0xB4, 0x9E, 0xF6, 0xE6, + 0xB4, 0xB4, 0xF6, 0xE6, 0xB8, 0xAF, 0xF6, 0xE6, + 0xB9, 0xAE, 0xF6, 0xE3, 0xB4, 0xB3, 0xF6, 0xE6, + 0xBB, 0x8B, 0xF6, 0xE6, 0xBB, 0x87, 0xF6, 0xF0, + 0xA3, 0xBB, 0x91, 0xF6, 0xE6, 0xB7, 0xB9, 0xF6, + 0xE6, 0xBD, 0xAE, 0xF6, 0xF0, 0xA3, 0xBD, 0x9E, + 0xF6, 0xF0, 0xA3, 0xBE, 0x8E, 0xF6, 0xE6, 0xBF, + 0x86, 0xF6, 0xE7, 0x80, 0xB9, 0xF6, 0xE7, 0x80, + 0x9E, 0xF6, 0xE7, 0x80, 0x9B, 0xF6, 0xE3, 0xB6, + 0x96, 0xF6, 0xE7, 0x81, 0x8A, 0xF6, 0xE7, 0x81, + 0xBD, 0xF6, 0xE7, 0x81, 0xB7, 0xF6, 0xE7, 0x82, + 0xAD, 0xF6, 0xF0, 0xA0, 0x94, 0xA5, 0xF6, 0xE7, + 0x85, 0x85, 0xF6, 0xF0, 0xA4, 0x89, 0xA3, 0xF6, + 0xE7, 0x86, 0x9C, 0xF6, 0xF0, 0xA4, 0x8E, 0xAB, + 0xF6, 0xE7, 0x88, 0xA8, 0xF6, 0xE7, 0x88, 0xB5, + 0xF6, 0xE7, 0x89, 0x90, 0xF6, 0xF0, 0xA4, 0x98, + 0x88, 0xF6, 0xE7, 0x8A, 0x80, 0xF6, 0xE7, 0x8A, + 0x95, 0xF6, 0xF0, 0xA4, 0x9C, 0xB5, 0xF6, 0xF0, + 0xA4, 0xA0, 0x94, 0xF6, 0xE7, 0x8D, 0xBA, 0xF6, + 0xE7, 0x8E, 0x8B, 0xF6, 0xE3, 0xBA, 0xAC, 0xF6, + 0xE7, 0x8E, 0xA5, 0xF6, 0xE3, 0xBA, 0xB8, 0xF6, + 0xE3, 0xBA, 0xB8, 0xF6, 0xE7, 0x91, 0x87, 0xF6, + 0xE7, 0x91, 0x9C, 0xF6, 0xE7, 0x91, 0xB1, 0xF6, + 0xE7, 0x92, 0x85, 0xF6, 0xE7, 0x93, 0x8A, 0xF6, + 0xE3, 0xBC, 0x9B, 0xF6, 0xE7, 0x94, 0xA4, 0xF6, + 0xF0, 0xA4, 0xB0, 0xB6, 0xF6, 0xE7, 0x94, 0xBE, + 0xF6, 0xF0, 0xA4, 0xB2, 0x92, 0xF6, 0xE7, 0x95, + 0xB0, 0xF6, 0xF0, 0xA2, 0x86, 0x9F, 0xF6, 0xE7, + 0x98, 0x90, 0xF6, 0xF0, 0xA4, 0xBE, 0xA1, 0xF6, + 0xF0, 0xA4, 0xBE, 0xB8, 0xF6, 0xF0, 0xA5, 0x81, + 0x84, 0xF6, 0xE3, 0xBF, 0xBC, 0xF6, 0xE4, 0x80, + 0x88, 0xF6, 0xE7, 0x9B, 0xB4, 0xF6, 0xF0, 0xA5, + 0x83, 0xB3, 0xF6, 0xF0, 0xA5, 0x83, 0xB2, 0xF6, + 0xF0, 0xA5, 0x84, 0x99, 0xF6, 0xF0, 0xA5, 0x84, + 0xB3, 0xF6, 0xE7, 0x9C, 0x9E, 0xF6, 0xE7, 0x9C, + 0x9F, 0xF6, 0xE7, 0x9C, 0x9F, 0xF6, 0xE7, 0x9D, + 0x8A, 0xF6, 0xE4, 0x80, 0xB9, 0xF6, 0xE7, 0x9E, + 0x8B, 0xF6, 0xE4, 0x81, 0x86, 0xF6, 0xE4, 0x82, + 0x96, 0xF6, 0xF0, 0xA5, 0x90, 0x9D, 0xF6, 0xE7, + 0xA1, 0x8E, 0xF6, 0xE7, 0xA2, 0x8C, 0xF6, 0xE7, + 0xA3, 0x8C, 0xF6, 0xE4, 0x83, 0xA3, 0xF6, 0xF0, + 0xA5, 0x98, 0xA6, 0xF6, 0xE7, 0xA5, 0x96, 0xF6, + 0xF0, 0xA5, 0x9A, 0x9A, 0xF6, 0xF0, 0xA5, 0x9B, + 0x85, 0xF6, 0xE7, 0xA6, 0x8F, 0xF6, 0xE7, 0xA7, + 0xAB, 0xF6, 0xE4, 0x84, 0xAF, 0xF6, 0xE7, 0xA9, + 0x80, 0xF6, 0xE7, 0xA9, 0x8A, 0xF6, 0xE7, 0xA9, + 0x8F, 0xF6, 0xF0, 0xA5, 0xA5, 0xBC, 0xF6, 0xF0, + 0xA5, 0xAA, 0xA7, 0xF6, 0xF0, 0xA5, 0xAA, 0xA7, + 0xF6, 0xE7, 0xAB, 0xAE, 0xF6, 0xE4, 0x88, 0x82, + 0xF6, 0xF0, 0xA5, 0xAE, 0xAB, 0xF6, 0xE7, 0xAF, + 0x86, 0xF6, 0xE7, 0xAF, 0x89, 0xF6, 0xE4, 0x88, + 0xA7, 0xF6, 0xF0, 0xA5, 0xB2, 0x80, 0xF6, 0xE7, + 0xB3, 0x92, 0xF6, 0xE4, 0x8A, 0xA0, 0xF6, 0xE7, + 0xB3, 0xA8, 0xF6, 0xE7, 0xB3, 0xA3, 0xF6, 0xE7, + 0xB4, 0x80, 0xF6, 0xF0, 0xA5, 0xBE, 0x86, 0xF6, + 0xE7, 0xB5, 0xA3, 0xF6, 0xE4, 0x8C, 0x81, 0xF6, + 0xE7, 0xB7, 0x87, 0xF6, 0xE7, 0xB8, 0x82, 0xF6, + 0xE7, 0xB9, 0x85, 0xF6, 0xE4, 0x8C, 0xB4, 0xF6, + 0xF0, 0xA6, 0x88, 0xA8, 0xF6, 0xF0, 0xA6, 0x89, + 0x87, 0xF6, 0xE4, 0x8D, 0x99, 0xF6, 0xF0, 0xA6, + 0x8B, 0x99, 0xF6, 0xE7, 0xBD, 0xBA, 0xF6, 0xF0, + 0xA6, 0x8C, 0xBE, 0xF6, 0xE7, 0xBE, 0x95, 0xF6, + 0xE7, 0xBF, 0xBA, 0xF6, 0xE8, 0x80, 0x85, 0xF6, + 0xF0, 0xA6, 0x93, 0x9A, 0xF6, 0xF0, 0xA6, 0x94, + 0xA3, 0xF6, 0xE8, 0x81, 0xA0, 0xF6, 0xF0, 0xA6, + 0x96, 0xA8, 0xF6, 0xE8, 0x81, 0xB0, 0xF6, 0xF0, + 0xA3, 0x8D, 0x9F, 0xF6, 0xE4, 0x8F, 0x95, 0xF6, + 0xE8, 0x82, 0xB2, 0xF6, 0xE8, 0x84, 0x83, 0xF6, + 0xE4, 0x90, 0x8B, 0xF6, 0xE8, 0x84, 0xBE, 0xF6, + 0xE5, 0xAA, 0xB5, 0xF6, 0xF0, 0xA6, 0x9E, 0xA7, + 0xF6, 0xF0, 0xA6, 0x9E, 0xB5, 0xF6, 0xF0, 0xA3, + 0x8E, 0x93, 0xF6, 0xF0, 0xA3, 0x8E, 0x9C, 0xF6, + 0xE8, 0x88, 0x81, 0xF6, 0xE8, 0x88, 0x84, 0xF6, + 0xE8, 0xBE, 0x9E, 0xF6, 0xE4, 0x91, 0xAB, 0xF6, + 0xE8, 0x8A, 0x91, 0xF6, 0xE8, 0x8A, 0x8B, 0xF6, + 0xE8, 0x8A, 0x9D, 0xF6, 0xE5, 0x8A, 0xB3, 0xF6, + 0xE8, 0x8A, 0xB1, 0xF6, 0xE8, 0x8A, 0xB3, 0xF6, + 0xE8, 0x8A, 0xBD, 0xF6, 0xE8, 0x8B, 0xA6, 0xF6, + 0xF0, 0xA6, 0xAC, 0xBC, 0xF6, 0xE8, 0x8B, 0xA5, + 0xF6, 0xE8, 0x8C, 0x9D, 0xF6, 0xE8, 0x8D, 0xA3, + 0xF6, 0xE8, 0x8E, 0xAD, 0xF6, 0xE8, 0x8C, 0xA3, + 0xF6, 0xE8, 0x8E, 0xBD, 0xF6, 0xE8, 0x8F, 0xA7, + 0xF6, 0xE8, 0x91, 0x97, 0xF6, 0xE8, 0x8D, 0x93, + 0xF6, 0xE8, 0x8F, 0x8A, 0xF6, 0xE8, 0x8F, 0x8C, + 0xF6, 0xE8, 0x8F, 0x9C, 0xF6, 0xF0, 0xA6, 0xB0, + 0xB6, 0xF6, 0xF0, 0xA6, 0xB5, 0xAB, 0xF6, 0xF0, + 0xA6, 0xB3, 0x95, 0xF6, 0xE4, 0x94, 0xAB, 0xF6, + 0xE8, 0x93, 0xB1, 0xF6, 0xE8, 0x93, 0xB3, 0xF6, + 0xE8, 0x94, 0x96, 0xF6, 0xF0, 0xA7, 0x8F, 0x8A, + 0xF6, 0xE8, 0x95, 0xA4, 0xF6, 0xF0, 0xA6, 0xBC, + 0xAC, 0xF6, 0xE4, 0x95, 0x9D, 0xF6, 0xE4, 0x95, + 0xA1, 0xF6, 0xF0, 0xA6, 0xBE, 0xB1, 0xF6, 0xF0, + 0xA7, 0x83, 0x92, 0xF6, 0xE4, 0x95, 0xAB, 0xF6, + 0xE8, 0x99, 0x90, 0xF6, 0xE8, 0x99, 0x9C, 0xF6, + 0xE8, 0x99, 0xA7, 0xF6, 0xE8, 0x99, 0xA9, 0xF6, + 0xE8, 0x9A, 0xA9, 0xF6, 0xE8, 0x9A, 0x88, 0xF6, + 0xE8, 0x9C, 0x8E, 0xF6, 0xE8, 0x9B, 0xA2, 0xF6, + 0xE8, 0x9D, 0xB9, 0xF6, 0xE8, 0x9C, 0xA8, 0xF6, + 0xE8, 0x9D, 0xAB, 0xF6, 0xE8, 0x9E, 0x86, 0xF6, + 0xE4, 0x97, 0x97, 0xF6, 0xE8, 0x9F, 0xA1, 0xF6, + 0xE8, 0xA0, 0x81, 0xF6, 0xE4, 0x97, 0xB9, 0xF6, + 0xE8, 0xA1, 0xA0, 0xF6, 0xE8, 0xA1, 0xA3, 0xF6, + 0xF0, 0xA7, 0x99, 0xA7, 0xF6, 0xE8, 0xA3, 0x97, + 0xF6, 0xE8, 0xA3, 0x9E, 0xF6, 0xE4, 0x98, 0xB5, + 0xF6, 0xE8, 0xA3, 0xBA, 0xF6, 0xE3, 0x92, 0xBB, + 0xF6, 0xF0, 0xA7, 0xA2, 0xAE, 0xF6, 0xF0, 0xA7, + 0xA5, 0xA6, 0xF6, 0xE4, 0x9A, 0xBE, 0xF6, 0xE4, + 0x9B, 0x87, 0xF6, 0xE8, 0xAA, 0xA0, 0xF6, 0xE8, + 0xAB, 0xAD, 0xF6, 0xE8, 0xAE, 0x8A, 0xF6, 0xE8, + 0xB1, 0x95, 0xF6, 0xF0, 0xA7, 0xB2, 0xA8, 0xF6, + 0xE8, 0xB2, 0xAB, 0xF6, 0xE8, 0xB3, 0x81, 0xF6, + 0xE8, 0xB4, 0x9B, 0xF6, 0xE8, 0xB5, 0xB7, 0xF6, + 0xF0, 0xA7, 0xBC, 0xAF, 0xF6, 0xF0, 0xA0, 0xA0, + 0x84, 0xF6, 0xE8, 0xB7, 0x8B, 0xF6, 0xE8, 0xB6, + 0xBC, 0xF6, 0xE8, 0xB7, 0xB0, 0xF6, 0xF0, 0xA0, + 0xA3, 0x9E, 0xF6, 0xE8, 0xBB, 0x94, 0xF6, 0xE8, + 0xBC, 0xB8, 0xF6, 0xF0, 0xA8, 0x97, 0x92, 0xF6, + 0xF0, 0xA8, 0x97, 0xAD, 0xF6, 0xE9, 0x82, 0x94, + 0xF6, 0xE9, 0x83, 0xB1, 0xF6, 0xE9, 0x84, 0x91, + 0xF6, 0xF0, 0xA8, 0x9C, 0xAE, 0xF6, 0xE9, 0x84, + 0x9B, 0xF6, 0xE9, 0x88, 0xB8, 0xF6, 0xE9, 0x8B, + 0x97, 0xF6, 0xE9, 0x8B, 0x98, 0xF6, 0xE9, 0x89, + 0xBC, 0xF6, 0xE9, 0x8F, 0xB9, 0xF6, 0xE9, 0x90, + 0x95, 0xF6, 0xF0, 0xA8, 0xAF, 0xBA, 0xF6, 0xE9, + 0x96, 0x8B, 0xF6, 0xE4, 0xA6, 0x95, 0xF6, 0xE9, + 0x96, 0xB7, 0xF6, 0xF0, 0xA8, 0xB5, 0xB7, 0xF6, + 0xE4, 0xA7, 0xA6, 0xF6, 0xE9, 0x9B, 0x83, 0xF6, + 0xE5, 0xB6, 0xB2, 0xF6, 0xE9, 0x9C, 0xA3, 0xF6, + 0xF0, 0xA9, 0x85, 0x85, 0xF6, 0xF0, 0xA9, 0x88, + 0x9A, 0xF6, 0xE4, 0xA9, 0xAE, 0xF6, 0xE4, 0xA9, + 0xB6, 0xF6, 0xE9, 0x9F, 0xA0, 0xF6, 0xF0, 0xA9, + 0x90, 0x8A, 0xF6, 0xE4, 0xAA, 0xB2, 0xF6, 0xF0, + 0xA9, 0x92, 0x96, 0xF6, 0xE9, 0xA0, 0x8B, 0xF6, + 0xE9, 0xA0, 0x8B, 0xF6, 0xE9, 0xA0, 0xA9, 0xF6, + 0xF0, 0xA9, 0x96, 0xB6, 0xF6, 0xE9, 0xA3, 0xA2, + 0xF6, 0xE4, 0xAC, 0xB3, 0xF6, 0xE9, 0xA4, 0xA9, + 0xF6, 0xE9, 0xA6, 0xA7, 0xF6, 0xE9, 0xA7, 0x82, + 0xF6, 0xE9, 0xA7, 0xBE, 0xF6, 0xE4, 0xAF, 0x8E, + 0xF6, 0xF0, 0xA9, 0xAC, 0xB0, 0xF6, 0xE9, 0xAC, + 0x92, 0xF6, 0xE9, 0xB1, 0x80, 0xF6, 0xE9, 0xB3, + 0xBD, 0xF6, 0xE4, 0xB3, 0x8E, 0xF6, 0xE4, 0xB3, + 0xAD, 0xF6, 0xE9, 0xB5, 0xA7, 0xF6, 0xF0, 0xAA, + 0x83, 0x8E, 0xF6, 0xE4, 0xB3, 0xB8, 0xF6, 0xF0, + 0xAA, 0x84, 0x85, 0xF6, 0xF0, 0xAA, 0x88, 0x8E, + 0xF6, 0xF0, 0xAA, 0x8A, 0x91, 0xF6, 0xE9, 0xBA, + 0xBB, 0xF6, 0xE4, 0xB5, 0x96, 0xF6, 0xE9, 0xBB, + 0xB9, 0xF6, 0xE9, 0xBB, 0xBE, 0xF6, 0xE9, 0xBC, + 0x85, 0xF6, 0xE9, 0xBC, 0x8F, 0xF6, 0xE9, 0xBC, + 0x96, 0xF6, 0xE9, 0xBC, 0xBB, 0xF6, 0xF0, 0xAA, + 0x98, 0x80, + }, +}; + +static const uchar_t u8_case_common_b2_tbl[2][2][256] = { + { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, 1, 2, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 3, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 4, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + { + { + 0, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, 1, 2, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, 3, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + { + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + 4, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + N_, N_, N_, N_, N_, N_, N_, N_, + }, + + }, + +}; + +static const u8_displacement_t u8_tolower_b3_tbl[2][5][256] = { + { + { /* Third byte table 0. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { 0, 0 }, + { 1, 60 }, { 2, 123 }, { 3, 185 }, { 4, 257 }, + { 5, 321 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 6, 373 }, { 7, 439 }, + { 8, 465 }, { 9, 561 }, { 10, 593 }, { 11, 649 }, + { 12, 703 }, { 13, 749 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 1. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { 14, 795 }, { 15, 891 }, { 16, 987 }, { 17, 1068 }, + { 18, 1155 }, { 19, 1245 }, { 20, 1299 }, { 21, 1386 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 2. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { 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N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { 34, 2061 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 4. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { 35, 2139 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + }, +}; + +static const uchar_t u8_tolower_b4_tbl[2][36][257] = { + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 46, 48, 50, 52, 54, 56, 58, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 34, 34, 36, 36, 38, 38, 40, + 40, 42, 42, 44, 44, 46, 46, 48, + 48, 49, 49, 51, 51, 53, 53, 55, + 55, 55, 57, 57, 59, 59, 61, 61, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 8, 10, 10, 12, 12, 14, + 14, 16, 16, 18, 18, 20, 20, 22, + 22, 24, 24, 26, 26, 28, 28, 30, + 30, 32, 32, 34, 34, 36, 36, 38, + 38, 40, 40, 42, 42, 44, 44, 46, + 46, 48, 48, 50, 50, 52, 52, 54, + 54, 56, 58, 58, 60, 60, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 4, 4, 6, 6, 8, + 10, 10, 12, 14, 16, 16, 16, 18, + 20, 22, 24, 24, 26, 28, 28, 30, + 32, 34, 34, 34, 34, 36, 38, 38, + 40, 42, 42, 44, 44, 46, 46, 48, + 50, 50, 52, 52, 52, 54, 54, 56, + 58, 58, 60, 62, 64, 64, 66, 66, + 68, 70, 70, 70, 70, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 2, 4, 4, + 6, 8, 8, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 28, 30, + 30, 32, 32, 34, 34, 36, 36, 38, + 38, 40, 40, 42, 42, 44, 44, 46, + 46, 46, 48, 50, 50, 52, 52, 54, + 56, 58, 58, 60, 60, 62, 62, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 34, 34, 36, 36, 38, 38, 40, + 40, 42, 42, 44, 44, 46, 46, 48, + 48, 50, 50, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 2, + 2, 4, 6, 8, 8, 10, 10, 12, + 14, 14, 16, 18, 20, 22, 24, 26, + 28, 30, 32, 34, 36, 38, 40, 42, + 44, 46, 48, 48, 50, 52, 54, 56, + 58, 60, 62, 64, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 24, 24, 24, 24, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 66, 68, 70, 72, 74, 76, 78, + 80, 82, 84, 86, 88, 90, 92, 94, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 34, 34, 36, 36, 38, 38, 40, + 40, 42, 42, 44, 44, 46, 46, 48, + 48, 50, 50, 52, 52, 54, 54, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 14, 16, 16, 18, 18, 20, 20, 22, + 22, 24, 24, 26, 26, 28, 28, 30, + 30, 32, 32, 34, 34, 36, 36, 38, + 38, 40, 40, 42, 42, 44, 44, 46, + 46, 48, 48, 50, 50, 52, 52, 52, + 52, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 18, 20, 22, 24, 26, 28, + 30, 32, 34, 36, 38, 40, 42, 44, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 57, 57, 60, + 60, 63, 63, 66, 66, 69, 69, 72, + 72, 75, 75, 78, 78, 81, 81, 84, + 84, 87, 87, 90, 90, 93, 93, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 57, 57, 60, + 60, 63, 63, 66, 66, 69, 69, 72, + 72, 75, 75, 78, 78, 81, 81, 84, + 84, 87, 87, 90, 90, 93, 93, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 33, + 33, 33, 33, 33, 33, 33, 33, 33, + 33, 36, 36, 39, 39, 42, 42, 45, + 45, 48, 48, 51, 51, 54, 54, 57, + 57, 60, 60, 63, 63, 66, 66, 69, + 69, 72, 72, 75, 75, 78, 78, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 57, 57, 60, + 60, 63, 63, 66, 66, 69, 69, 72, + 72, 75, 75, 78, 78, 81, 81, 84, + 84, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 45, 48, 51, 54, 57, 60, 63, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 69, 72, 75, 78, 81, 84, 87, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 21, 21, 24, 24, 27, 27, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 33, 36, 39, 42, 45, 48, 51, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 75, 78, 81, 84, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 18, 21, 24, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 30, 33, 36, 39, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 45, 48, 51, 54, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 2, + 2, 2, 2, 3, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 5, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 3, + 6, 9, 12, 15, 18, 21, 24, 27, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 6, 9, 12, 15, 18, + 21, 24, 27, 30, 33, 36, 39, 42, + 45, 48, 51, 54, 57, 60, 63, 66, + 69, 72, 75, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, 152, 152, 152, 152, 152, 152, 152, + 152, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + }, + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 46, 48, 50, 52, 54, 56, 58, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, + 60, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 34, 34, 36, 36, 38, 38, 40, + 40, 42, 42, 44, 44, 46, 46, 48, + 48, 49, 49, 51, 51, 53, 53, 55, + 55, 55, 57, 57, 59, 59, 61, 61, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 8, 10, 10, 12, 12, 14, + 14, 16, 16, 18, 18, 20, 20, 22, + 22, 24, 24, 26, 26, 28, 28, 30, + 30, 32, 32, 34, 34, 36, 36, 38, + 38, 40, 40, 42, 42, 44, 44, 46, + 46, 48, 48, 50, 50, 52, 52, 54, + 54, 56, 58, 58, 60, 60, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 4, 4, 6, 6, 8, + 10, 10, 12, 14, 16, 16, 16, 18, + 20, 22, 24, 24, 26, 28, 28, 30, + 32, 34, 34, 34, 34, 36, 38, 38, + 40, 42, 42, 44, 44, 46, 46, 48, + 50, 50, 52, 52, 52, 54, 54, 56, + 58, 58, 60, 62, 64, 64, 66, 66, + 68, 70, 70, 70, 70, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 2, 4, 4, + 6, 8, 8, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 28, 30, + 30, 32, 32, 34, 34, 36, 36, 38, + 38, 40, 40, 42, 42, 44, 44, 46, + 46, 46, 48, 50, 50, 52, 52, 54, + 56, 58, 58, 60, 60, 62, 62, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 34, 34, 36, 36, 38, 38, 40, + 40, 42, 42, 44, 44, 46, 46, 48, + 48, 50, 50, 52, 52, 52, 52, 52, + 52, 52, 52, 55, 57, 57, 59, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 6, 8, 10, + 10, 12, 12, 14, 14, 16, 16, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 2, + 2, 4, 6, 8, 8, 10, 10, 12, + 14, 14, 16, 18, 20, 22, 24, 26, + 28, 30, 32, 34, 36, 38, 40, 42, + 44, 46, 48, 48, 50, 52, 54, 56, + 58, 60, 62, 64, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 24, 24, 24, 24, 26, 26, 26, + 28, 28, 30, 32, 32, 32, 34, 36, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 66, 68, 70, 72, 74, 76, 78, + 80, 82, 84, 86, 88, 90, 92, 94, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 34, 34, 36, 36, 38, 38, 40, + 40, 42, 42, 44, 44, 46, 46, 48, + 48, 50, 50, 52, 52, 54, 54, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 4, 6, 6, 8, 8, + 10, 10, 12, 12, 14, 14, 16, 16, + 16, 18, 18, 20, 20, 22, 22, 24, + 24, 26, 26, 28, 28, 30, 30, 32, + 32, 34, 34, 36, 36, 38, 38, 40, + 40, 42, 42, 44, 44, 46, 46, 48, + 48, 50, 50, 52, 52, 54, 54, 56, + 56, 58, 58, 60, 60, 62, 62, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 12, 12, 14, 14, 16, + 16, 18, 18, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 22, 24, 26, 28, 30, 32, + 34, 36, 38, 40, 42, 44, 46, 48, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, 46, 46, 46, 46, 46, 46, 46, + 46, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 57, 57, 60, + 60, 63, 63, 66, 66, 69, 69, 72, + 72, 75, 75, 78, 78, 81, 81, 84, + 84, 87, 87, 90, 90, 93, 93, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 57, 57, 60, + 60, 63, 63, 66, 66, 69, 69, 72, + 72, 75, 75, 78, 78, 81, 81, 84, + 84, 87, 87, 90, 90, 93, 93, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 33, + 33, 33, 33, 33, 33, 33, 33, 33, + 33, 36, 36, 39, 39, 42, 42, 45, + 45, 48, 48, 51, 51, 54, 54, 57, + 57, 60, 60, 63, 63, 66, 66, 69, + 69, 72, 72, 75, 75, 78, 78, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 81, + 81, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 57, 57, 60, + 60, 63, 63, 66, 66, 69, 69, 72, + 72, 75, 75, 78, 78, 81, 81, 84, + 84, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 45, 48, 51, 54, 57, 60, 63, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 69, 72, 75, 78, 81, 84, 87, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 21, 21, 24, 24, 27, 27, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 33, 36, 39, 42, 45, 48, 51, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 75, 78, 81, 84, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 18, 21, 24, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 27, 27, + 27, 30, 33, 36, 39, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 45, 48, 51, 54, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, + 57, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 2, + 2, 2, 2, 3, 5, 5, 5, 5, + 5, 5, 5, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 3, + 6, 9, 12, 15, 18, 21, 24, 27, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 123, 126, 129, 132, 135, 138, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, 141, 141, 141, 141, 141, 141, 141, + 141, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 5, 8, 10, 10, 10, + 13, 13, 16, 16, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, + 22, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 57, 57, 60, + 60, 63, 63, 66, 66, 69, 69, 72, + 72, 75, 75, 78, 78, 81, 81, 84, + 84, 87, 87, 90, 90, 93, 93, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 6, 6, 9, 9, 12, + 12, 15, 15, 18, 18, 21, 21, 24, + 24, 27, 27, 30, 30, 33, 33, 36, + 36, 39, 39, 42, 42, 45, 45, 48, + 48, 51, 51, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 6, 9, 12, 15, 18, + 21, 24, 27, 30, 33, 36, 39, 42, + 45, 48, 51, 54, 57, 60, 63, 66, + 69, 72, 75, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, + 128, 132, 136, 140, 144, 148, 152, 156, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, 160, 160, 160, 160, 160, 160, 160, + 160, + }, + }, +}; + +static const uchar_t u8_tolower_final_tbl[2][2299] = { + { + 0xC3, 0xA0, 0xC3, 0xA1, 0xC3, 0xA2, 0xC3, 0xA3, + 0xC3, 0xA4, 0xC3, 0xA5, 0xC3, 0xA6, 0xC3, 0xA7, + 0xC3, 0xA8, 0xC3, 0xA9, 0xC3, 0xAA, 0xC3, 0xAB, + 0xC3, 0xAC, 0xC3, 0xAD, 0xC3, 0xAE, 0xC3, 0xAF, + 0xC3, 0xB0, 0xC3, 0xB1, 0xC3, 0xB2, 0xC3, 0xB3, + 0xC3, 0xB4, 0xC3, 0xB5, 0xC3, 0xB6, 0xC3, 0xB8, + 0xC3, 0xB9, 0xC3, 0xBA, 0xC3, 0xBB, 0xC3, 0xBC, + 0xC3, 0xBD, 0xC3, 0xBE, 0xC4, 0x81, 0xC4, 0x83, + 0xC4, 0x85, 0xC4, 0x87, 0xC4, 0x89, 0xC4, 0x8B, + 0xC4, 0x8D, 0xC4, 0x8F, 0xC4, 0x91, 0xC4, 0x93, + 0xC4, 0x95, 0xC4, 0x97, 0xC4, 0x99, 0xC4, 0x9B, + 0xC4, 0x9D, 0xC4, 0x9F, 0xC4, 0xA1, 0xC4, 0xA3, + 0xC4, 0xA5, 0xC4, 0xA7, 0xC4, 0xA9, 0xC4, 0xAB, + 0xC4, 0xAD, 0xC4, 0xAF, 0x69, 0xC4, 0xB3, 0xC4, + 0xB5, 0xC4, 0xB7, 0xC4, 0xBA, 0xC4, 0xBC, 0xC4, + 0xBE, 0xC5, 0x80, 0xC5, 0x82, 0xC5, 0x84, 0xC5, + 0x86, 0xC5, 0x88, 0xC5, 0x8B, 0xC5, 0x8D, 0xC5, + 0x8F, 0xC5, 0x91, 0xC5, 0x93, 0xC5, 0x95, 0xC5, + 0x97, 0xC5, 0x99, 0xC5, 0x9B, 0xC5, 0x9D, 0xC5, + 0x9F, 0xC5, 0xA1, 0xC5, 0xA3, 0xC5, 0xA5, 0xC5, + 0xA7, 0xC5, 0xA9, 0xC5, 0xAB, 0xC5, 0xAD, 0xC5, + 0xAF, 0xC5, 0xB1, 0xC5, 0xB3, 0xC5, 0xB5, 0xC5, + 0xB7, 0xC3, 0xBF, 0xC5, 0xBA, 0xC5, 0xBC, 0xC5, + 0xBE, 0xC9, 0x93, 0xC6, 0x83, 0xC6, 0x85, 0xC9, + 0x94, 0xC6, 0x88, 0xC9, 0x96, 0xC9, 0x97, 0xC6, + 0x8C, 0xC7, 0x9D, 0xC9, 0x99, 0xC9, 0x9B, 0xC6, + 0x92, 0xC9, 0xA0, 0xC9, 0xA3, 0xC9, 0xA9, 0xC9, + 0xA8, 0xC6, 0x99, 0xC9, 0xAF, 0xC9, 0xB2, 0xC9, + 0xB5, 0xC6, 0xA1, 0xC6, 0xA3, 0xC6, 0xA5, 0xCA, + 0x80, 0xC6, 0xA8, 0xCA, 0x83, 0xC6, 0xAD, 0xCA, + 0x88, 0xC6, 0xB0, 0xCA, 0x8A, 0xCA, 0x8B, 0xC6, + 0xB4, 0xC6, 0xB6, 0xCA, 0x92, 0xC6, 0xB9, 0xC6, + 0xBD, 0xC7, 0x86, 0xC7, 0x86, 0xC7, 0x89, 0xC7, + 0x89, 0xC7, 0x8C, 0xC7, 0x8C, 0xC7, 0x8E, 0xC7, + 0x90, 0xC7, 0x92, 0xC7, 0x94, 0xC7, 0x96, 0xC7, + 0x98, 0xC7, 0x9A, 0xC7, 0x9C, 0xC7, 0x9F, 0xC7, + 0xA1, 0xC7, 0xA3, 0xC7, 0xA5, 0xC7, 0xA7, 0xC7, + 0xA9, 0xC7, 0xAB, 0xC7, 0xAD, 0xC7, 0xAF, 0xC7, + 0xB3, 0xC7, 0xB3, 0xC7, 0xB5, 0xC6, 0x95, 0xC6, + 0xBF, 0xC7, 0xB9, 0xC7, 0xBB, 0xC7, 0xBD, 0xC7, + 0xBF, 0xC8, 0x81, 0xC8, 0x83, 0xC8, 0x85, 0xC8, + 0x87, 0xC8, 0x89, 0xC8, 0x8B, 0xC8, 0x8D, 0xC8, + 0x8F, 0xC8, 0x91, 0xC8, 0x93, 0xC8, 0x95, 0xC8, + 0x97, 0xC8, 0x99, 0xC8, 0x9B, 0xC8, 0x9D, 0xC8, + 0x9F, 0xC6, 0x9E, 0xC8, 0xA3, 0xC8, 0xA5, 0xC8, + 0xA7, 0xC8, 0xA9, 0xC8, 0xAB, 0xC8, 0xAD, 0xC8, + 0xAF, 0xC8, 0xB1, 0xC8, 0xB3, 0xCE, 0xAC, 0xCE, + 0xAD, 0xCE, 0xAE, 0xCE, 0xAF, 0xCF, 0x8C, 0xCF, + 0x8D, 0xCF, 0x8E, 0xCE, 0xB1, 0xCE, 0xB2, 0xCE, + 0xB3, 0xCE, 0xB4, 0xCE, 0xB5, 0xCE, 0xB6, 0xCE, + 0xB7, 0xCE, 0xB8, 0xCE, 0xB9, 0xCE, 0xBA, 0xCE, + 0xBB, 0xCE, 0xBC, 0xCE, 0xBD, 0xCE, 0xBE, 0xCE, + 0xBF, 0xCF, 0x80, 0xCF, 0x81, 0xCF, 0x83, 0xCF, + 0x84, 0xCF, 0x85, 0xCF, 0x86, 0xCF, 0x87, 0xCF, + 0x88, 0xCF, 0x89, 0xCF, 0x8A, 0xCF, 0x8B, 0xCF, + 0x99, 0xCF, 0x9B, 0xCF, 0x9D, 0xCF, 0x9F, 0xCF, + 0xA1, 0xCF, 0xA3, 0xCF, 0xA5, 0xCF, 0xA7, 0xCF, + 0xA9, 0xCF, 0xAB, 0xCF, 0xAD, 0xCF, 0xAF, 0xCE, + 0xB8, 0xD1, 0x90, 0xD1, 0x91, 0xD1, 0x92, 0xD1, + 0x93, 0xD1, 0x94, 0xD1, 0x95, 0xD1, 0x96, 0xD1, + 0x97, 0xD1, 0x98, 0xD1, 0x99, 0xD1, 0x9A, 0xD1, + 0x9B, 0xD1, 0x9C, 0xD1, 0x9D, 0xD1, 0x9E, 0xD1, + 0x9F, 0xD0, 0xB0, 0xD0, 0xB1, 0xD0, 0xB2, 0xD0, + 0xB3, 0xD0, 0xB4, 0xD0, 0xB5, 0xD0, 0xB6, 0xD0, + 0xB7, 0xD0, 0xB8, 0xD0, 0xB9, 0xD0, 0xBA, 0xD0, + 0xBB, 0xD0, 0xBC, 0xD0, 0xBD, 0xD0, 0xBE, 0xD0, + 0xBF, 0xD1, 0x80, 0xD1, 0x81, 0xD1, 0x82, 0xD1, + 0x83, 0xD1, 0x84, 0xD1, 0x85, 0xD1, 0x86, 0xD1, + 0x87, 0xD1, 0x88, 0xD1, 0x89, 0xD1, 0x8A, 0xD1, + 0x8B, 0xD1, 0x8C, 0xD1, 0x8D, 0xD1, 0x8E, 0xD1, + 0x8F, 0xD1, 0xA1, 0xD1, 0xA3, 0xD1, 0xA5, 0xD1, + 0xA7, 0xD1, 0xA9, 0xD1, 0xAB, 0xD1, 0xAD, 0xD1, + 0xAF, 0xD1, 0xB1, 0xD1, 0xB3, 0xD1, 0xB5, 0xD1, + 0xB7, 0xD1, 0xB9, 0xD1, 0xBB, 0xD1, 0xBD, 0xD1, + 0xBF, 0xD2, 0x81, 0xD2, 0x8B, 0xD2, 0x8D, 0xD2, + 0x8F, 0xD2, 0x91, 0xD2, 0x93, 0xD2, 0x95, 0xD2, + 0x97, 0xD2, 0x99, 0xD2, 0x9B, 0xD2, 0x9D, 0xD2, + 0x9F, 0xD2, 0xA1, 0xD2, 0xA3, 0xD2, 0xA5, 0xD2, + 0xA7, 0xD2, 0xA9, 0xD2, 0xAB, 0xD2, 0xAD, 0xD2, + 0xAF, 0xD2, 0xB1, 0xD2, 0xB3, 0xD2, 0xB5, 0xD2, + 0xB7, 0xD2, 0xB9, 0xD2, 0xBB, 0xD2, 0xBD, 0xD2, + 0xBF, 0xD3, 0x82, 0xD3, 0x84, 0xD3, 0x86, 0xD3, + 0x88, 0xD3, 0x8A, 0xD3, 0x8C, 0xD3, 0x8E, 0xD3, + 0x91, 0xD3, 0x93, 0xD3, 0x95, 0xD3, 0x97, 0xD3, + 0x99, 0xD3, 0x9B, 0xD3, 0x9D, 0xD3, 0x9F, 0xD3, + 0xA1, 0xD3, 0xA3, 0xD3, 0xA5, 0xD3, 0xA7, 0xD3, + 0xA9, 0xD3, 0xAB, 0xD3, 0xAD, 0xD3, 0xAF, 0xD3, + 0xB1, 0xD3, 0xB3, 0xD3, 0xB5, 0xD3, 0xB9, 0xD4, + 0x81, 0xD4, 0x83, 0xD4, 0x85, 0xD4, 0x87, 0xD4, + 0x89, 0xD4, 0x8B, 0xD4, 0x8D, 0xD4, 0x8F, 0xD5, + 0xA1, 0xD5, 0xA2, 0xD5, 0xA3, 0xD5, 0xA4, 0xD5, + 0xA5, 0xD5, 0xA6, 0xD5, 0xA7, 0xD5, 0xA8, 0xD5, + 0xA9, 0xD5, 0xAA, 0xD5, 0xAB, 0xD5, 0xAC, 0xD5, + 0xAD, 0xD5, 0xAE, 0xD5, 0xAF, 0xD5, 0xB0, 0xD5, + 0xB1, 0xD5, 0xB2, 0xD5, 0xB3, 0xD5, 0xB4, 0xD5, + 0xB5, 0xD5, 0xB6, 0xD5, 0xB7, 0xD5, 0xB8, 0xD5, + 0xB9, 0xD5, 0xBA, 0xD5, 0xBB, 0xD5, 0xBC, 0xD5, + 0xBD, 0xD5, 0xBE, 0xD5, 0xBF, 0xD6, 0x80, 0xD6, + 0x81, 0xD6, 0x82, 0xD6, 0x83, 0xD6, 0x84, 0xD6, + 0x85, 0xD6, 0x86, 0xE1, 0xB8, 0x81, 0xE1, 0xB8, + 0x83, 0xE1, 0xB8, 0x85, 0xE1, 0xB8, 0x87, 0xE1, + 0xB8, 0x89, 0xE1, 0xB8, 0x8B, 0xE1, 0xB8, 0x8D, + 0xE1, 0xB8, 0x8F, 0xE1, 0xB8, 0x91, 0xE1, 0xB8, + 0x93, 0xE1, 0xB8, 0x95, 0xE1, 0xB8, 0x97, 0xE1, + 0xB8, 0x99, 0xE1, 0xB8, 0x9B, 0xE1, 0xB8, 0x9D, + 0xE1, 0xB8, 0x9F, 0xE1, 0xB8, 0xA1, 0xE1, 0xB8, + 0xA3, 0xE1, 0xB8, 0xA5, 0xE1, 0xB8, 0xA7, 0xE1, + 0xB8, 0xA9, 0xE1, 0xB8, 0xAB, 0xE1, 0xB8, 0xAD, + 0xE1, 0xB8, 0xAF, 0xE1, 0xB8, 0xB1, 0xE1, 0xB8, + 0xB3, 0xE1, 0xB8, 0xB5, 0xE1, 0xB8, 0xB7, 0xE1, + 0xB8, 0xB9, 0xE1, 0xB8, 0xBB, 0xE1, 0xB8, 0xBD, + 0xE1, 0xB8, 0xBF, 0xE1, 0xB9, 0x81, 0xE1, 0xB9, + 0x83, 0xE1, 0xB9, 0x85, 0xE1, 0xB9, 0x87, 0xE1, + 0xB9, 0x89, 0xE1, 0xB9, 0x8B, 0xE1, 0xB9, 0x8D, + 0xE1, 0xB9, 0x8F, 0xE1, 0xB9, 0x91, 0xE1, 0xB9, + 0x93, 0xE1, 0xB9, 0x95, 0xE1, 0xB9, 0x97, 0xE1, + 0xB9, 0x99, 0xE1, 0xB9, 0x9B, 0xE1, 0xB9, 0x9D, + 0xE1, 0xB9, 0x9F, 0xE1, 0xB9, 0xA1, 0xE1, 0xB9, + 0xA3, 0xE1, 0xB9, 0xA5, 0xE1, 0xB9, 0xA7, 0xE1, + 0xB9, 0xA9, 0xE1, 0xB9, 0xAB, 0xE1, 0xB9, 0xAD, + 0xE1, 0xB9, 0xAF, 0xE1, 0xB9, 0xB1, 0xE1, 0xB9, + 0xB3, 0xE1, 0xB9, 0xB5, 0xE1, 0xB9, 0xB7, 0xE1, + 0xB9, 0xB9, 0xE1, 0xB9, 0xBB, 0xE1, 0xB9, 0xBD, + 0xE1, 0xB9, 0xBF, 0xE1, 0xBA, 0x81, 0xE1, 0xBA, + 0x83, 0xE1, 0xBA, 0x85, 0xE1, 0xBA, 0x87, 0xE1, + 0xBA, 0x89, 0xE1, 0xBA, 0x8B, 0xE1, 0xBA, 0x8D, + 0xE1, 0xBA, 0x8F, 0xE1, 0xBA, 0x91, 0xE1, 0xBA, + 0x93, 0xE1, 0xBA, 0x95, 0xE1, 0xBA, 0xA1, 0xE1, + 0xBA, 0xA3, 0xE1, 0xBA, 0xA5, 0xE1, 0xBA, 0xA7, + 0xE1, 0xBA, 0xA9, 0xE1, 0xBA, 0xAB, 0xE1, 0xBA, + 0xAD, 0xE1, 0xBA, 0xAF, 0xE1, 0xBA, 0xB1, 0xE1, + 0xBA, 0xB3, 0xE1, 0xBA, 0xB5, 0xE1, 0xBA, 0xB7, + 0xE1, 0xBA, 0xB9, 0xE1, 0xBA, 0xBB, 0xE1, 0xBA, + 0xBD, 0xE1, 0xBA, 0xBF, 0xE1, 0xBB, 0x81, 0xE1, + 0xBB, 0x83, 0xE1, 0xBB, 0x85, 0xE1, 0xBB, 0x87, + 0xE1, 0xBB, 0x89, 0xE1, 0xBB, 0x8B, 0xE1, 0xBB, + 0x8D, 0xE1, 0xBB, 0x8F, 0xE1, 0xBB, 0x91, 0xE1, + 0xBB, 0x93, 0xE1, 0xBB, 0x95, 0xE1, 0xBB, 0x97, + 0xE1, 0xBB, 0x99, 0xE1, 0xBB, 0x9B, 0xE1, 0xBB, + 0x9D, 0xE1, 0xBB, 0x9F, 0xE1, 0xBB, 0xA1, 0xE1, + 0xBB, 0xA3, 0xE1, 0xBB, 0xA5, 0xE1, 0xBB, 0xA7, + 0xE1, 0xBB, 0xA9, 0xE1, 0xBB, 0xAB, 0xE1, 0xBB, + 0xAD, 0xE1, 0xBB, 0xAF, 0xE1, 0xBB, 0xB1, 0xE1, + 0xBB, 0xB3, 0xE1, 0xBB, 0xB5, 0xE1, 0xBB, 0xB7, + 0xE1, 0xBB, 0xB9, 0xE1, 0xBC, 0x80, 0xE1, 0xBC, + 0x81, 0xE1, 0xBC, 0x82, 0xE1, 0xBC, 0x83, 0xE1, + 0xBC, 0x84, 0xE1, 0xBC, 0x85, 0xE1, 0xBC, 0x86, + 0xE1, 0xBC, 0x87, 0xE1, 0xBC, 0x90, 0xE1, 0xBC, + 0x91, 0xE1, 0xBC, 0x92, 0xE1, 0xBC, 0x93, 0xE1, + 0xBC, 0x94, 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0xB8, 0xBB, 0xE1, 0xB8, 0xBD, + 0xE1, 0xB8, 0xBF, 0xE1, 0xB9, 0x81, 0xE1, 0xB9, + 0x83, 0xE1, 0xB9, 0x85, 0xE1, 0xB9, 0x87, 0xE1, + 0xB9, 0x89, 0xE1, 0xB9, 0x8B, 0xE1, 0xB9, 0x8D, + 0xE1, 0xB9, 0x8F, 0xE1, 0xB9, 0x91, 0xE1, 0xB9, + 0x93, 0xE1, 0xB9, 0x95, 0xE1, 0xB9, 0x97, 0xE1, + 0xB9, 0x99, 0xE1, 0xB9, 0x9B, 0xE1, 0xB9, 0x9D, + 0xE1, 0xB9, 0x9F, 0xE1, 0xB9, 0xA1, 0xE1, 0xB9, + 0xA3, 0xE1, 0xB9, 0xA5, 0xE1, 0xB9, 0xA7, 0xE1, + 0xB9, 0xA9, 0xE1, 0xB9, 0xAB, 0xE1, 0xB9, 0xAD, + 0xE1, 0xB9, 0xAF, 0xE1, 0xB9, 0xB1, 0xE1, 0xB9, + 0xB3, 0xE1, 0xB9, 0xB5, 0xE1, 0xB9, 0xB7, 0xE1, + 0xB9, 0xB9, 0xE1, 0xB9, 0xBB, 0xE1, 0xB9, 0xBD, + 0xE1, 0xB9, 0xBF, 0xE1, 0xBA, 0x81, 0xE1, 0xBA, + 0x83, 0xE1, 0xBA, 0x85, 0xE1, 0xBA, 0x87, 0xE1, + 0xBA, 0x89, 0xE1, 0xBA, 0x8B, 0xE1, 0xBA, 0x8D, + 0xE1, 0xBA, 0x8F, 0xE1, 0xBA, 0x91, 0xE1, 0xBA, + 0x93, 0xE1, 0xBA, 0x95, 0xE1, 0xBA, 0xA1, 0xE1, + 0xBA, 0xA3, 0xE1, 0xBA, 0xA5, 0xE1, 0xBA, 0xA7, + 0xE1, 0xBA, 0xA9, 0xE1, 0xBA, 0xAB, 0xE1, 0xBA, + 0xAD, 0xE1, 0xBA, 0xAF, 0xE1, 0xBA, 0xB1, 0xE1, + 0xBA, 0xB3, 0xE1, 0xBA, 0xB5, 0xE1, 0xBA, 0xB7, + 0xE1, 0xBA, 0xB9, 0xE1, 0xBA, 0xBB, 0xE1, 0xBA, + 0xBD, 0xE1, 0xBA, 0xBF, 0xE1, 0xBB, 0x81, 0xE1, + 0xBB, 0x83, 0xE1, 0xBB, 0x85, 0xE1, 0xBB, 0x87, + 0xE1, 0xBB, 0x89, 0xE1, 0xBB, 0x8B, 0xE1, 0xBB, + 0x8D, 0xE1, 0xBB, 0x8F, 0xE1, 0xBB, 0x91, 0xE1, + 0xBB, 0x93, 0xE1, 0xBB, 0x95, 0xE1, 0xBB, 0x97, + 0xE1, 0xBB, 0x99, 0xE1, 0xBB, 0x9B, 0xE1, 0xBB, + 0x9D, 0xE1, 0xBB, 0x9F, 0xE1, 0xBB, 0xA1, 0xE1, + 0xBB, 0xA3, 0xE1, 0xBB, 0xA5, 0xE1, 0xBB, 0xA7, + 0xE1, 0xBB, 0xA9, 0xE1, 0xBB, 0xAB, 0xE1, 0xBB, + 0xAD, 0xE1, 0xBB, 0xAF, 0xE1, 0xBB, 0xB1, 0xE1, + 0xBB, 0xB3, 0xE1, 0xBB, 0xB5, 0xE1, 0xBB, 0xB7, + 0xE1, 0xBB, 0xB9, 0xE1, 0xBC, 0x80, 0xE1, 0xBC, + 0x81, 0xE1, 0xBC, 0x82, 0xE1, 0xBC, 0x83, 0xE1, + 0xBC, 0x84, 0xE1, 0xBC, 0x85, 0xE1, 0xBC, 0x86, + 0xE1, 0xBC, 0x87, 0xE1, 0xBC, 0x90, 0xE1, 0xBC, + 0x91, 0xE1, 0xBC, 0x92, 0xE1, 0xBC, 0x93, 0xE1, + 0xBC, 0x94, 0xE1, 0xBC, 0x95, 0xE1, 0xBC, 0xA0, + 0xE1, 0xBC, 0xA1, 0xE1, 0xBC, 0xA2, 0xE1, 0xBC, + 0xA3, 0xE1, 0xBC, 0xA4, 0xE1, 0xBC, 0xA5, 0xE1, + 0xBC, 0xA6, 0xE1, 0xBC, 0xA7, 0xE1, 0xBC, 0xB0, + 0xE1, 0xBC, 0xB1, 0xE1, 0xBC, 0xB2, 0xE1, 0xBC, + 0xB3, 0xE1, 0xBC, 0xB4, 0xE1, 0xBC, 0xB5, 0xE1, + 0xBC, 0xB6, 0xE1, 0xBC, 0xB7, 0xE1, 0xBD, 0x80, + 0xE1, 0xBD, 0x81, 0xE1, 0xBD, 0x82, 0xE1, 0xBD, + 0x83, 0xE1, 0xBD, 0x84, 0xE1, 0xBD, 0x85, 0xE1, + 0xBD, 0x91, 0xE1, 0xBD, 0x93, 0xE1, 0xBD, 0x95, + 0xE1, 0xBD, 0x97, 0xE1, 0xBD, 0xA0, 0xE1, 0xBD, + 0xA1, 0xE1, 0xBD, 0xA2, 0xE1, 0xBD, 0xA3, 0xE1, + 0xBD, 0xA4, 0xE1, 0xBD, 0xA5, 0xE1, 0xBD, 0xA6, + 0xE1, 0xBD, 0xA7, 0xE1, 0xBE, 0x80, 0xE1, 0xBE, + 0x81, 0xE1, 0xBE, 0x82, 0xE1, 0xBE, 0x83, 0xE1, + 0xBE, 0x84, 0xE1, 0xBE, 0x85, 0xE1, 0xBE, 0x86, + 0xE1, 0xBE, 0x87, 0xE1, 0xBE, 0x90, 0xE1, 0xBE, + 0x91, 0xE1, 0xBE, 0x92, 0xE1, 0xBE, 0x93, 0xE1, + 0xBE, 0x94, 0xE1, 0xBE, 0x95, 0xE1, 0xBE, 0x96, + 0xE1, 0xBE, 0x97, 0xE1, 0xBE, 0xA0, 0xE1, 0xBE, + 0xA1, 0xE1, 0xBE, 0xA2, 0xE1, 0xBE, 0xA3, 0xE1, + 0xBE, 0xA4, 0xE1, 0xBE, 0xA5, 0xE1, 0xBE, 0xA6, + 0xE1, 0xBE, 0xA7, 0xE1, 0xBE, 0xB0, 0xE1, 0xBE, + 0xB1, 0xE1, 0xBD, 0xB0, 0xE1, 0xBD, 0xB1, 0xE1, + 0xBE, 0xB3, 0xE1, 0xBD, 0xB2, 0xE1, 0xBD, 0xB3, + 0xE1, 0xBD, 0xB4, 0xE1, 0xBD, 0xB5, 0xE1, 0xBF, + 0x83, 0xE1, 0xBF, 0x90, 0xE1, 0xBF, 0x91, 0xE1, + 0xBD, 0xB6, 0xE1, 0xBD, 0xB7, 0xE1, 0xBF, 0xA0, + 0xE1, 0xBF, 0xA1, 0xE1, 0xBD, 0xBA, 0xE1, 0xBD, + 0xBB, 0xE1, 0xBF, 0xA5, 0xE1, 0xBD, 0xB8, 0xE1, + 0xBD, 0xB9, 0xE1, 0xBD, 0xBC, 0xE1, 0xBD, 0xBD, + 0xE1, 0xBF, 0xB3, 0xCF, 0x89, 0x6B, 0xC3, 0xA5, + 0xE2, 0x85, 0x8E, 0xE2, 0x85, 0xB0, 0xE2, 0x85, + 0xB1, 0xE2, 0x85, 0xB2, 0xE2, 0x85, 0xB3, 0xE2, + 0x85, 0xB4, 0xE2, 0x85, 0xB5, 0xE2, 0x85, 0xB6, + 0xE2, 0x85, 0xB7, 0xE2, 0x85, 0xB8, 0xE2, 0x85, + 0xB9, 0xE2, 0x85, 0xBA, 0xE2, 0x85, 0xBB, 0xE2, + 0x85, 0xBC, 0xE2, 0x85, 0xBD, 0xE2, 0x85, 0xBE, + 0xE2, 0x85, 0xBF, 0xE2, 0x86, 0x84, 0xE2, 0x93, + 0x90, 0xE2, 0x93, 0x91, 0xE2, 0x93, 0x92, 0xE2, + 0x93, 0x93, 0xE2, 0x93, 0x94, 0xE2, 0x93, 0x95, + 0xE2, 0x93, 0x96, 0xE2, 0x93, 0x97, 0xE2, 0x93, + 0x98, 0xE2, 0x93, 0x99, 0xE2, 0x93, 0x9A, 0xE2, + 0x93, 0x9B, 0xE2, 0x93, 0x9C, 0xE2, 0x93, 0x9D, + 0xE2, 0x93, 0x9E, 0xE2, 0x93, 0x9F, 0xE2, 0x93, + 0xA0, 0xE2, 0x93, 0xA1, 0xE2, 0x93, 0xA2, 0xE2, + 0x93, 0xA3, 0xE2, 0x93, 0xA4, 0xE2, 0x93, 0xA5, + 0xE2, 0x93, 0xA6, 0xE2, 0x93, 0xA7, 0xE2, 0x93, + 0xA8, 0xE2, 0x93, 0xA9, 0xE2, 0xB0, 0xB0, 0xE2, + 0xB0, 0xB1, 0xE2, 0xB0, 0xB2, 0xE2, 0xB0, 0xB3, + 0xE2, 0xB0, 0xB4, 0xE2, 0xB0, 0xB5, 0xE2, 0xB0, + 0xB6, 0xE2, 0xB0, 0xB7, 0xE2, 0xB0, 0xB8, 0xE2, + 0xB0, 0xB9, 0xE2, 0xB0, 0xBA, 0xE2, 0xB0, 0xBB, + 0xE2, 0xB0, 0xBC, 0xE2, 0xB0, 0xBD, 0xE2, 0xB0, + 0xBE, 0xE2, 0xB0, 0xBF, 0xE2, 0xB1, 0x80, 0xE2, + 0xB1, 0x81, 0xE2, 0xB1, 0x82, 0xE2, 0xB1, 0x83, + 0xE2, 0xB1, 0x84, 0xE2, 0xB1, 0x85, 0xE2, 0xB1, + 0x86, 0xE2, 0xB1, 0x87, 0xE2, 0xB1, 0x88, 0xE2, + 0xB1, 0x89, 0xE2, 0xB1, 0x8A, 0xE2, 0xB1, 0x8B, + 0xE2, 0xB1, 0x8C, 0xE2, 0xB1, 0x8D, 0xE2, 0xB1, + 0x8E, 0xE2, 0xB1, 0x8F, 0xE2, 0xB1, 0x90, 0xE2, + 0xB1, 0x91, 0xE2, 0xB1, 0x92, 0xE2, 0xB1, 0x93, + 0xE2, 0xB1, 0x94, 0xE2, 0xB1, 0x95, 0xE2, 0xB1, + 0x96, 0xE2, 0xB1, 0x97, 0xE2, 0xB1, 0x98, 0xE2, + 0xB1, 0x99, 0xE2, 0xB1, 0x9A, 0xE2, 0xB1, 0x9B, + 0xE2, 0xB1, 0x9C, 0xE2, 0xB1, 0x9D, 0xE2, 0xB1, + 0x9E, 0xE2, 0xB1, 0xA1, 0xC9, 0xAB, 0xE1, 0xB5, + 0xBD, 0xC9, 0xBD, 0xE2, 0xB1, 0xA8, 0xE2, 0xB1, + 0xAA, 0xE2, 0xB1, 0xAC, 0xE2, 0xB1, 0xB6, 0xE2, + 0xB2, 0x81, 0xE2, 0xB2, 0x83, 0xE2, 0xB2, 0x85, + 0xE2, 0xB2, 0x87, 0xE2, 0xB2, 0x89, 0xE2, 0xB2, + 0x8B, 0xE2, 0xB2, 0x8D, 0xE2, 0xB2, 0x8F, 0xE2, + 0xB2, 0x91, 0xE2, 0xB2, 0x93, 0xE2, 0xB2, 0x95, + 0xE2, 0xB2, 0x97, 0xE2, 0xB2, 0x99, 0xE2, 0xB2, + 0x9B, 0xE2, 0xB2, 0x9D, 0xE2, 0xB2, 0x9F, 0xE2, + 0xB2, 0xA1, 0xE2, 0xB2, 0xA3, 0xE2, 0xB2, 0xA5, + 0xE2, 0xB2, 0xA7, 0xE2, 0xB2, 0xA9, 0xE2, 0xB2, + 0xAB, 0xE2, 0xB2, 0xAD, 0xE2, 0xB2, 0xAF, 0xE2, + 0xB2, 0xB1, 0xE2, 0xB2, 0xB3, 0xE2, 0xB2, 0xB5, + 0xE2, 0xB2, 0xB7, 0xE2, 0xB2, 0xB9, 0xE2, 0xB2, + 0xBB, 0xE2, 0xB2, 0xBD, 0xE2, 0xB2, 0xBF, 0xE2, + 0xB3, 0x81, 0xE2, 0xB3, 0x83, 0xE2, 0xB3, 0x85, + 0xE2, 0xB3, 0x87, 0xE2, 0xB3, 0x89, 0xE2, 0xB3, + 0x8B, 0xE2, 0xB3, 0x8D, 0xE2, 0xB3, 0x8F, 0xE2, + 0xB3, 0x91, 0xE2, 0xB3, 0x93, 0xE2, 0xB3, 0x95, + 0xE2, 0xB3, 0x97, 0xE2, 0xB3, 0x99, 0xE2, 0xB3, + 0x9B, 0xE2, 0xB3, 0x9D, 0xE2, 0xB3, 0x9F, 0xE2, + 0xB3, 0xA1, 0xE2, 0xB3, 0xA3, 0xEF, 0xBD, 0x81, + 0xEF, 0xBD, 0x82, 0xEF, 0xBD, 0x83, 0xEF, 0xBD, + 0x84, 0xEF, 0xBD, 0x85, 0xEF, 0xBD, 0x86, 0xEF, + 0xBD, 0x87, 0xEF, 0xBD, 0x88, 0xEF, 0xBD, 0x89, + 0xEF, 0xBD, 0x8A, 0xEF, 0xBD, 0x8B, 0xEF, 0xBD, + 0x8C, 0xEF, 0xBD, 0x8D, 0xEF, 0xBD, 0x8E, 0xEF, + 0xBD, 0x8F, 0xEF, 0xBD, 0x90, 0xEF, 0xBD, 0x91, + 0xEF, 0xBD, 0x92, 0xEF, 0xBD, 0x93, 0xEF, 0xBD, + 0x94, 0xEF, 0xBD, 0x95, 0xEF, 0xBD, 0x96, 0xEF, + 0xBD, 0x97, 0xEF, 0xBD, 0x98, 0xEF, 0xBD, 0x99, + 0xEF, 0xBD, 0x9A, 0xF0, 0x90, 0x90, 0xA8, 0xF0, + 0x90, 0x90, 0xA9, 0xF0, 0x90, 0x90, 0xAA, 0xF0, + 0x90, 0x90, 0xAB, 0xF0, 0x90, 0x90, 0xAC, 0xF0, + 0x90, 0x90, 0xAD, 0xF0, 0x90, 0x90, 0xAE, 0xF0, + 0x90, 0x90, 0xAF, 0xF0, 0x90, 0x90, 0xB0, 0xF0, + 0x90, 0x90, 0xB1, 0xF0, 0x90, 0x90, 0xB2, 0xF0, + 0x90, 0x90, 0xB3, 0xF0, 0x90, 0x90, 0xB4, 0xF0, + 0x90, 0x90, 0xB5, 0xF0, 0x90, 0x90, 0xB6, 0xF0, + 0x90, 0x90, 0xB7, 0xF0, 0x90, 0x90, 0xB8, 0xF0, + 0x90, 0x90, 0xB9, 0xF0, 0x90, 0x90, 0xBA, 0xF0, + 0x90, 0x90, 0xBB, 0xF0, 0x90, 0x90, 0xBC, 0xF0, + 0x90, 0x90, 0xBD, 0xF0, 0x90, 0x90, 0xBE, 0xF0, + 0x90, 0x90, 0xBF, 0xF0, 0x90, 0x91, 0x80, 0xF0, + 0x90, 0x91, 0x81, 0xF0, 0x90, 0x91, 0x82, 0xF0, + 0x90, 0x91, 0x83, 0xF0, 0x90, 0x91, 0x84, 0xF0, + 0x90, 0x91, 0x85, 0xF0, 0x90, 0x91, 0x86, 0xF0, + 0x90, 0x91, 0x87, 0xF0, 0x90, 0x91, 0x88, 0xF0, + 0x90, 0x91, 0x89, 0xF0, 0x90, 0x91, 0x8A, 0xF0, + 0x90, 0x91, 0x8B, 0xF0, 0x90, 0x91, 0x8C, 0xF0, + 0x90, 0x91, 0x8D, 0xF0, 0x90, 0x91, 0x8E, 0xF0, + 0x90, 0x91, 0x8F, + }, +}; + +static const u8_displacement_t u8_toupper_b3_tbl[2][5][256] = { + { + { /* Third byte table 0. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 0, 0 }, { 1, 2 }, + { 2, 64 }, { 3, 125 }, { 4, 188 }, { 5, 226 }, + { 6, 288 }, { 7, 338 }, { 8, 364 }, { N_, 0 }, + { N_, 0 }, { 9, 376 }, { 10, 378 }, { 11, 416 }, + { 12, 486 }, { 13, 518 }, { 14, 614 }, { 15, 670 }, + { 16, 724 }, { 17, 740 }, { 18, 802 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 1. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 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0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { 0, 0 }, { 1, 2 }, + { 2, 64 }, { 3, 125 }, { 4, 188 }, { 5, 230 }, + { 6, 292 }, { 7, 344 }, { 8, 388 }, { N_, 0 }, + { N_, 0 }, { 9, 404 }, { 10, 412 }, { 11, 450 }, + { 12, 524 }, { 13, 556 }, { 14, 652 }, { 15, 708 }, + { 16, 772 }, { 17, 792 }, { 18, 854 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 1. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { 19, 868 }, { N_, 0 }, { N_, 0 }, + { 20, 871 }, { 21, 967 }, { 22, 1063 }, { 23, 1147 }, + { 24, 1234 }, { 25, 1324 }, { 26, 1420 }, { 27, 1503 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 2. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { 28, 1524 }, { 29, 1575 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { 30, 1578 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { 31, 1656 }, { 32, 1704 }, { 33, 1816 }, { 34, 1912 }, + { 35, 1966 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 3. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { 36, 2080 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + { /* Third byte table 4. */ + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { 37, 2158 }, { 38, 2254 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + { N_, 0 }, { N_, 0 }, { N_, 0 }, { N_, 0 }, + }, + }, +}; + +static const uchar_t u8_toupper_b4_tbl[2][39][257] = { + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 46, 48, 50, 52, 54, 56, 58, 60, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 49, 49, 51, 51, 53, 53, + 55, 55, 55, 57, 57, 59, 59, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 50, 50, 52, 52, 54, 54, + 56, 56, 56, 58, 58, 60, 60, 62, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 2, 2, 4, 4, + 4, 6, 6, 6, 6, 8, 8, 8, + 8, 8, 8, 10, 10, 10, 12, 12, + 12, 12, 14, 14, 14, 14, 14, 16, + 16, 16, 18, 18, 20, 20, 22, 22, + 22, 24, 24, 24, 24, 24, 26, 26, + 26, 28, 28, 28, 28, 30, 30, 32, + 32, 32, 34, 34, 34, 34, 36, 36, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 2, 4, + 4, 6, 8, 8, 10, 12, 12, 14, + 14, 16, 16, 18, 18, 20, 20, 22, + 22, 24, 24, 26, 26, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 48, 50, 52, 52, 54, 54, + 54, 54, 56, 56, 58, 58, 60, 60, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 32, 32, 34, 34, 36, 36, + 38, 38, 40, 40, 42, 42, 44, 44, + 46, 46, 48, 48, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 2, 4, 4, 6, + 8, 8, 10, 10, 12, 12, 12, 12, + 12, 14, 14, 14, 16, 16, 16, 16, + 16, 18, 20, 20, 20, 20, 20, 20, + 22, 22, 22, 24, 24, 24, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, + 26, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 2, 4, 4, 4, 4, + 4, 6, 6, 8, 10, 10, 10, 10, + 10, 10, 10, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 2, 4, 6, + 8, 8, 10, 12, 14, 16, 18, 20, + 22, 24, 26, 28, 30, 32, 34, 36, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 30, 32, 34, 34, 34, 34, 36, 38, + 38, 38, 40, 40, 42, 42, 44, 44, + 46, 46, 48, 48, 50, 50, 52, 52, + 54, 54, 56, 56, 58, 58, 60, 60, + 62, 64, 66, 68, 68, 68, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 70, + 70, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 64, 66, 66, 68, 68, 70, 70, + 72, 72, 74, 74, 76, 76, 78, 78, + 80, 80, 82, 82, 84, 84, 86, 86, + 88, 88, 90, 90, 92, 92, 94, 94, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 50, 50, 52, 52, 54, 54, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 2, 2, 4, 4, 6, + 6, 8, 8, 10, 10, 12, 12, 14, + 14, 14, 16, 16, 18, 18, 20, 20, + 22, 22, 24, 24, 26, 26, 28, 28, + 30, 30, 32, 32, 34, 34, 36, 36, + 38, 38, 40, 40, 42, 42, 44, 44, + 46, 46, 48, 48, 50, 50, 52, 52, + 52, 52, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 4, 6, 8, 10, 12, + 14, 16, 18, 20, 22, 24, 26, 28, + 30, 32, 34, 36, 38, 40, 42, 44, + 46, 48, 50, 52, 54, 56, 58, 60, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 87, 87, 90, 90, 93, 93, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 87, 87, 90, 90, 93, 93, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 33, 33, 33, 33, 36, 36, 36, 36, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 45, 48, 51, 54, 57, 60, 63, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 69, 72, 75, 78, 81, 84, 87, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 21, 21, 24, 24, 27, 27, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 33, 36, 39, 42, 45, 48, 51, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 57, 60, 63, 66, 69, 72, 75, + 78, 81, 84, 87, 90, 93, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 75, 78, 78, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 6, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 12, 15, 15, 15, 15, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 6, 9, 12, 15, 18, + 21, 24, 27, 30, 33, 36, 39, 42, + 45, 48, 51, 54, 57, 60, 63, 66, + 69, 72, 75, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, + }, + }, + { + { /* Fourth byte table 0. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, + }, + { /* Fourth byte table 1. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 46, 48, 50, 52, 54, 56, 58, 60, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 2. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 49, 49, 51, 51, 53, 53, + 55, 55, 55, 57, 57, 59, 59, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, + 61, + }, + { /* Fourth byte table 3. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 4, 4, 6, 6, 8, + 8, 10, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 50, 50, 52, 52, 54, 54, + 56, 56, 56, 58, 58, 60, 60, 62, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, + }, + { /* Fourth byte table 4. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 2, 4, 4, 6, 6, + 6, 8, 8, 8, 8, 10, 10, 10, + 10, 10, 10, 12, 12, 12, 14, 14, + 14, 14, 16, 18, 18, 18, 18, 20, + 20, 20, 22, 22, 24, 24, 26, 26, + 26, 28, 28, 28, 28, 28, 30, 30, + 30, 32, 32, 32, 32, 34, 34, 36, + 36, 36, 38, 38, 38, 38, 40, 40, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, + }, + { /* Fourth byte table 5. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 2, 4, + 4, 6, 8, 8, 10, 12, 12, 14, + 14, 16, 16, 18, 18, 20, 20, 22, + 22, 24, 24, 26, 26, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 48, 50, 52, 52, 54, 54, + 54, 54, 56, 56, 58, 58, 60, 60, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 6. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 32, 32, 34, 34, 36, 36, + 38, 38, 40, 40, 42, 42, 44, 44, + 46, 46, 48, 48, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, + 52, + }, + { /* Fourth byte table 7. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 2, 2, 2, 2, 2, + 4, 4, 6, 6, 8, 8, 10, 10, + 12, 12, 12, 12, 14, 16, 16, 18, + 20, 20, 22, 22, 24, 24, 24, 24, + 24, 26, 26, 26, 28, 28, 28, 28, + 28, 30, 32, 32, 35, 35, 35, 35, + 37, 37, 37, 39, 39, 39, 41, 41, + 41, 41, 41, 41, 41, 41, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, 44, 44, 44, 44, 44, 44, 44, + 44, + }, + { /* Fourth byte table 8. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 2, 2, 4, 4, 4, 4, + 4, 6, 8, 10, 12, 14, 14, 14, + 14, 14, 14, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 16, + }, + { /* Fourth byte table 9. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 4, 6, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, + }, + { /* Fourth byte table 10. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 2, 4, 6, + 8, 8, 10, 12, 14, 16, 18, 20, + 22, 24, 26, 28, 30, 32, 34, 36, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, + 38, + }, + { /* Fourth byte table 11. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 30, 32, 34, 34, 34, 34, 36, 38, + 38, 38, 40, 40, 42, 42, 44, 44, + 46, 46, 48, 48, 50, 50, 52, 52, + 54, 54, 56, 56, 58, 58, 60, 60, + 62, 64, 66, 68, 68, 68, 70, 70, + 70, 72, 72, 72, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 74, + 74, + }, + { /* Fourth byte table 12. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, + }, + { /* Fourth byte table 13. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 16, 18, 20, 22, 24, 26, 28, 30, + 32, 34, 36, 38, 40, 42, 44, 46, + 48, 50, 52, 54, 56, 58, 60, 62, + 64, 64, 66, 66, 68, 68, 70, 70, + 72, 72, 74, 74, 76, 76, 78, 78, + 80, 80, 82, 82, 84, 84, 86, 86, + 88, 88, 90, 90, 92, 92, 94, 94, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 14. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 50, 50, 52, 52, 54, 54, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, + 56, + }, + { /* Fourth byte table 15. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 2, 2, 4, 4, 6, + 6, 8, 8, 10, 10, 12, 12, 14, + 16, 16, 18, 18, 20, 20, 22, 22, + 24, 24, 26, 26, 28, 28, 30, 30, + 32, 32, 34, 34, 36, 36, 38, 38, + 40, 40, 42, 42, 44, 44, 46, 46, + 48, 48, 50, 50, 52, 52, 54, 54, + 56, 56, 58, 58, 60, 60, 62, 62, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + { /* Fourth byte table 16. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 2, 4, 4, 6, 6, + 8, 8, 10, 10, 12, 12, 14, 14, + 16, 16, 18, 18, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, + 20, + }, + { /* Fourth byte table 17. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 4, 6, 8, 10, 12, + 14, 16, 18, 20, 22, 24, 26, 28, + 30, 32, 34, 36, 38, 40, 42, 44, + 46, 48, 50, 52, 54, 56, 58, 60, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, + }, + { /* Fourth byte table 18. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 4, 6, 8, 10, 12, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, + }, + { /* Fourth byte table 19. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 20. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 87, 87, 90, 90, 93, 93, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 21. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 87, 87, 90, 90, 93, 93, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 22. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 33, 33, 33, 33, 36, 36, 36, 36, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, + 84, + }, + { /* Fourth byte table 23. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, + 87, + }, + { /* Fourth byte table 24. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, + 42, 45, 48, 51, 54, 57, 60, 63, + 66, 66, 66, 66, 66, 66, 66, 66, + 66, 69, 72, 75, 78, 81, 84, 87, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 90, + }, + { /* Fourth byte table 25. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 21, 21, 24, 24, 27, 27, + 30, 30, 30, 30, 30, 30, 30, 30, + 30, 33, 36, 39, 42, 45, 48, 51, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 57, 60, 63, 66, 69, 72, 75, + 78, 81, 84, 87, 90, 93, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 26. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 24, 24, 24, 24, 24, 24, 24, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 72, 72, 72, 72, 72, 72, 72, + 72, 75, 78, 78, 81, 81, 81, 81, + 81, 81, 81, 81, 81, 81, 81, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 83, 83, 83, 83, 83, + 83, + }, + { /* Fourth byte table 27. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 6, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, + 9, 12, 15, 15, 15, 15, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, + }, + { /* Fourth byte table 28. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 6, 9, 12, 15, 18, 21, 24, + 27, 30, 33, 36, 39, 42, 45, 48, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, + 51, + }, + { /* Fourth byte table 29. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, + }, + { /* Fourth byte table 30. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, + }, + { /* Fourth byte table 31. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, + }, + { /* Fourth byte table 32. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 93, 93, 96, 96, 96, 96, 98, 100, + 100, 103, 103, 106, 106, 109, 109, 109, + 109, 109, 109, 109, 109, 109, 109, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, + 112, + }, + { /* Fourth byte table 33. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 57, 57, + 60, 60, 63, 63, 66, 66, 69, 69, + 72, 72, 75, 75, 78, 78, 81, 81, + 84, 84, 87, 87, 90, 90, 93, 93, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 34. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 3, 6, 6, 9, 9, + 12, 12, 15, 15, 18, 18, 21, 21, + 24, 24, 27, 27, 30, 30, 33, 33, + 36, 36, 39, 39, 42, 42, 45, 45, + 48, 48, 51, 51, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, + 54, + }, + { /* Fourth byte table 35. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, 9, 12, 15, 18, 21, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 54, 57, 60, 63, 66, 69, + 72, 75, 78, 81, 84, 87, 90, 93, + 96, 99, 102, 105, 108, 111, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, 114, 114, 114, 114, 114, 114, 114, + 114, + }, + { /* Fourth byte table 36. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 3, 6, 9, 12, 15, 18, + 21, 24, 27, 30, 33, 36, 39, 42, + 45, 48, 51, 54, 57, 60, 63, 66, + 69, 72, 75, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, 78, 78, 78, 78, 78, 78, 78, + 78, + }, + { /* Fourth byte table 37. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 72, 76, 80, 84, 88, 92, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, 96, 96, 96, 96, 96, 96, 96, + 96, + }, + { /* Fourth byte table 38. */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, + }, + }, +}; + +static const uchar_t u8_toupper_final_tbl[2][2318] = { + { + 0xCE, 0x9C, 0xC3, 0x80, 0xC3, 0x81, 0xC3, 0x82, + 0xC3, 0x83, 0xC3, 0x84, 0xC3, 0x85, 0xC3, 0x86, + 0xC3, 0x87, 0xC3, 0x88, 0xC3, 0x89, 0xC3, 0x8A, + 0xC3, 0x8B, 0xC3, 0x8C, 0xC3, 0x8D, 0xC3, 0x8E, + 0xC3, 0x8F, 0xC3, 0x90, 0xC3, 0x91, 0xC3, 0x92, + 0xC3, 0x93, 0xC3, 0x94, 0xC3, 0x95, 0xC3, 0x96, + 0xC3, 0x98, 0xC3, 0x99, 0xC3, 0x9A, 0xC3, 0x9B, + 0xC3, 0x9C, 0xC3, 0x9D, 0xC3, 0x9E, 0xC5, 0xB8, + 0xC4, 0x80, 0xC4, 0x82, 0xC4, 0x84, 0xC4, 0x86, + 0xC4, 0x88, 0xC4, 0x8A, 0xC4, 0x8C, 0xC4, 0x8E, + 0xC4, 0x90, 0xC4, 0x92, 0xC4, 0x94, 0xC4, 0x96, + 0xC4, 0x98, 0xC4, 0x9A, 0xC4, 0x9C, 0xC4, 0x9E, + 0xC4, 0xA0, 0xC4, 0xA2, 0xC4, 0xA4, 0xC4, 0xA6, + 0xC4, 0xA8, 0xC4, 0xAA, 0xC4, 0xAC, 0xC4, 0xAE, + 0x49, 0xC4, 0xB2, 0xC4, 0xB4, 0xC4, 0xB6, 0xC4, + 0xB9, 0xC4, 0xBB, 0xC4, 0xBD, 0xC4, 0xBF, 0xC5, + 0x81, 0xC5, 0x83, 0xC5, 0x85, 0xC5, 0x87, 0xC5, + 0x8A, 0xC5, 0x8C, 0xC5, 0x8E, 0xC5, 0x90, 0xC5, + 0x92, 0xC5, 0x94, 0xC5, 0x96, 0xC5, 0x98, 0xC5, + 0x9A, 0xC5, 0x9C, 0xC5, 0x9E, 0xC5, 0xA0, 0xC5, + 0xA2, 0xC5, 0xA4, 0xC5, 0xA6, 0xC5, 0xA8, 0xC5, + 0xAA, 0xC5, 0xAC, 0xC5, 0xAE, 0xC5, 0xB0, 0xC5, + 0xB2, 0xC5, 0xB4, 0xC5, 0xB6, 0xC5, 0xB9, 0xC5, + 0xBB, 0xC5, 0xBD, 0x53, 0xC6, 0x82, 0xC6, 0x84, + 0xC6, 0x87, 0xC6, 0x8B, 0xC6, 0x91, 0xC7, 0xB6, + 0xC6, 0x98, 0xC8, 0xA0, 0xC6, 0xA0, 0xC6, 0xA2, + 0xC6, 0xA4, 0xC6, 0xA7, 0xC6, 0xAC, 0xC6, 0xAF, + 0xC6, 0xB3, 0xC6, 0xB5, 0xC6, 0xB8, 0xC6, 0xBC, + 0xC7, 0xB7, 0xC7, 0x84, 0xC7, 0x84, 0xC7, 0x87, + 0xC7, 0x87, 0xC7, 0x8A, 0xC7, 0x8A, 0xC7, 0x8D, + 0xC7, 0x8F, 0xC7, 0x91, 0xC7, 0x93, 0xC7, 0x95, + 0xC7, 0x97, 0xC7, 0x99, 0xC7, 0x9B, 0xC6, 0x8E, + 0xC7, 0x9E, 0xC7, 0xA0, 0xC7, 0xA2, 0xC7, 0xA4, + 0xC7, 0xA6, 0xC7, 0xA8, 0xC7, 0xAA, 0xC7, 0xAC, + 0xC7, 0xAE, 0xC7, 0xB1, 0xC7, 0xB1, 0xC7, 0xB4, + 0xC7, 0xB8, 0xC7, 0xBA, 0xC7, 0xBC, 0xC7, 0xBE, + 0xC8, 0x80, 0xC8, 0x82, 0xC8, 0x84, 0xC8, 0x86, + 0xC8, 0x88, 0xC8, 0x8A, 0xC8, 0x8C, 0xC8, 0x8E, + 0xC8, 0x90, 0xC8, 0x92, 0xC8, 0x94, 0xC8, 0x96, + 0xC8, 0x98, 0xC8, 0x9A, 0xC8, 0x9C, 0xC8, 0x9E, + 0xC8, 0xA2, 0xC8, 0xA4, 0xC8, 0xA6, 0xC8, 0xA8, + 0xC8, 0xAA, 0xC8, 0xAC, 0xC8, 0xAE, 0xC8, 0xB0, + 0xC8, 0xB2, 0xC6, 0x81, 0xC6, 0x86, 0xC6, 0x89, + 0xC6, 0x8A, 0xC6, 0x8F, 0xC6, 0x90, 0xC6, 0x93, + 0xC6, 0x94, 0xC6, 0x97, 0xC6, 0x96, 0xC6, 0x9C, + 0xC6, 0x9D, 0xC6, 0x9F, 0xC6, 0xA6, 0xC6, 0xA9, + 0xC6, 0xAE, 0xC6, 0xB1, 0xC6, 0xB2, 0xC6, 0xB7, + 0xCE, 0x99, 0xCE, 0x86, 0xCE, 0x88, 0xCE, 0x89, + 0xCE, 0x8A, 0xCE, 0x91, 0xCE, 0x92, 0xCE, 0x93, + 0xCE, 0x94, 0xCE, 0x95, 0xCE, 0x96, 0xCE, 0x97, + 0xCE, 0x98, 0xCE, 0x99, 0xCE, 0x9A, 0xCE, 0x9B, + 0xCE, 0x9C, 0xCE, 0x9D, 0xCE, 0x9E, 0xCE, 0x9F, + 0xCE, 0xA0, 0xCE, 0xA1, 0xCE, 0xA3, 0xCE, 0xA3, + 0xCE, 0xA4, 0xCE, 0xA5, 0xCE, 0xA6, 0xCE, 0xA7, + 0xCE, 0xA8, 0xCE, 0xA9, 0xCE, 0xAA, 0xCE, 0xAB, + 0xCE, 0x8C, 0xCE, 0x8E, 0xCE, 0x8F, 0xCE, 0x92, + 0xCE, 0x98, 0xCE, 0xA6, 0xCE, 0xA0, 0xCF, 0x98, + 0xCF, 0x9A, 0xCF, 0x9C, 0xCF, 0x9E, 0xCF, 0xA0, + 0xCF, 0xA2, 0xCF, 0xA4, 0xCF, 0xA6, 0xCF, 0xA8, + 0xCF, 0xAA, 0xCF, 0xAC, 0xCF, 0xAE, 0xCE, 0x9A, + 0xCE, 0xA1, 0xCE, 0xA3, 0xCE, 0x95, 0xD0, 0x90, + 0xD0, 0x91, 0xD0, 0x92, 0xD0, 0x93, 0xD0, 0x94, + 0xD0, 0x95, 0xD0, 0x96, 0xD0, 0x97, 0xD0, 0x98, + 0xD0, 0x99, 0xD0, 0x9A, 0xD0, 0x9B, 0xD0, 0x9C, + 0xD0, 0x9D, 0xD0, 0x9E, 0xD0, 0x9F, 0xD0, 0xA0, + 0xD0, 0xA1, 0xD0, 0xA2, 0xD0, 0xA3, 0xD0, 0xA4, + 0xD0, 0xA5, 0xD0, 0xA6, 0xD0, 0xA7, 0xD0, 0xA8, + 0xD0, 0xA9, 0xD0, 0xAA, 0xD0, 0xAB, 0xD0, 0xAC, + 0xD0, 0xAD, 0xD0, 0xAE, 0xD0, 0xAF, 0xD0, 0x80, + 0xD0, 0x81, 0xD0, 0x82, 0xD0, 0x83, 0xD0, 0x84, + 0xD0, 0x85, 0xD0, 0x86, 0xD0, 0x87, 0xD0, 0x88, + 0xD0, 0x89, 0xD0, 0x8A, 0xD0, 0x8B, 0xD0, 0x8C, + 0xD0, 0x8D, 0xD0, 0x8E, 0xD0, 0x8F, 0xD1, 0xA0, + 0xD1, 0xA2, 0xD1, 0xA4, 0xD1, 0xA6, 0xD1, 0xA8, + 0xD1, 0xAA, 0xD1, 0xAC, 0xD1, 0xAE, 0xD1, 0xB0, + 0xD1, 0xB2, 0xD1, 0xB4, 0xD1, 0xB6, 0xD1, 0xB8, + 0xD1, 0xBA, 0xD1, 0xBC, 0xD1, 0xBE, 0xD2, 0x80, + 0xD2, 0x8A, 0xD2, 0x8C, 0xD2, 0x8E, 0xD2, 0x90, + 0xD2, 0x92, 0xD2, 0x94, 0xD2, 0x96, 0xD2, 0x98, + 0xD2, 0x9A, 0xD2, 0x9C, 0xD2, 0x9E, 0xD2, 0xA0, + 0xD2, 0xA2, 0xD2, 0xA4, 0xD2, 0xA6, 0xD2, 0xA8, + 0xD2, 0xAA, 0xD2, 0xAC, 0xD2, 0xAE, 0xD2, 0xB0, + 0xD2, 0xB2, 0xD2, 0xB4, 0xD2, 0xB6, 0xD2, 0xB8, + 0xD2, 0xBA, 0xD2, 0xBC, 0xD2, 0xBE, 0xD3, 0x81, + 0xD3, 0x83, 0xD3, 0x85, 0xD3, 0x87, 0xD3, 0x89, + 0xD3, 0x8B, 0xD3, 0x8D, 0xD3, 0x90, 0xD3, 0x92, + 0xD3, 0x94, 0xD3, 0x96, 0xD3, 0x98, 0xD3, 0x9A, + 0xD3, 0x9C, 0xD3, 0x9E, 0xD3, 0xA0, 0xD3, 0xA2, + 0xD3, 0xA4, 0xD3, 0xA6, 0xD3, 0xA8, 0xD3, 0xAA, + 0xD3, 0xAC, 0xD3, 0xAE, 0xD3, 0xB0, 0xD3, 0xB2, + 0xD3, 0xB4, 0xD3, 0xB8, 0xD4, 0x80, 0xD4, 0x82, + 0xD4, 0x84, 0xD4, 0x86, 0xD4, 0x88, 0xD4, 0x8A, + 0xD4, 0x8C, 0xD4, 0x8E, 0xD4, 0xB1, 0xD4, 0xB2, + 0xD4, 0xB3, 0xD4, 0xB4, 0xD4, 0xB5, 0xD4, 0xB6, + 0xD4, 0xB7, 0xD4, 0xB8, 0xD4, 0xB9, 0xD4, 0xBA, + 0xD4, 0xBB, 0xD4, 0xBC, 0xD4, 0xBD, 0xD4, 0xBE, + 0xD4, 0xBF, 0xD5, 0x80, 0xD5, 0x81, 0xD5, 0x82, + 0xD5, 0x83, 0xD5, 0x84, 0xD5, 0x85, 0xD5, 0x86, + 0xD5, 0x87, 0xD5, 0x88, 0xD5, 0x89, 0xD5, 0x8A, + 0xD5, 0x8B, 0xD5, 0x8C, 0xD5, 0x8D, 0xD5, 0x8E, + 0xD5, 0x8F, 0xD5, 0x90, 0xD5, 0x91, 0xD5, 0x92, + 0xD5, 0x93, 0xD5, 0x94, 0xD5, 0x95, 0xD5, 0x96, + 0xE1, 0xB8, 0x80, 0xE1, 0xB8, 0x82, 0xE1, 0xB8, + 0x84, 0xE1, 0xB8, 0x86, 0xE1, 0xB8, 0x88, 0xE1, + 0xB8, 0x8A, 0xE1, 0xB8, 0x8C, 0xE1, 0xB8, 0x8E, + 0xE1, 0xB8, 0x90, 0xE1, 0xB8, 0x92, 0xE1, 0xB8, + 0x94, 0xE1, 0xB8, 0x96, 0xE1, 0xB8, 0x98, 0xE1, + 0xB8, 0x9A, 0xE1, 0xB8, 0x9C, 0xE1, 0xB8, 0x9E, + 0xE1, 0xB8, 0xA0, 0xE1, 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0xA4, 0xF0, 0x90, 0x90, 0xA5, 0xF0, 0x90, + 0x90, 0xA6, 0xF0, 0x90, 0x90, 0xA7, + }, +}; + +#undef N_ +#undef FIL_ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_U8_TEXTPREP_DATA_H */ diff --git a/zfs/include/sys/uberblock.h b/zfs/include/sys/uberblock.h new file mode 100644 index 000000000000..21e7ae0de7a7 --- /dev/null +++ b/zfs/include/sys/uberblock.h @@ -0,0 +1,49 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_UBERBLOCK_H +#define _SYS_UBERBLOCK_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct uberblock uberblock_t; + +extern int uberblock_verify(uberblock_t *); +extern boolean_t uberblock_update(uberblock_t *, vdev_t *, uint64_t); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_UBERBLOCK_H */ diff --git a/zfs/include/sys/uberblock_impl.h b/zfs/include/sys/uberblock_impl.h new file mode 100644 index 000000000000..6ab6aa3135a2 --- /dev/null +++ b/zfs/include/sys/uberblock_impl.h @@ -0,0 +1,63 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_UBERBLOCK_IMPL_H +#define _SYS_UBERBLOCK_IMPL_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The uberblock version is incremented whenever an incompatible on-disk + * format change is made to the SPA, DMU, or ZAP. + * + * Note: the first two fields should never be moved. When a storage pool + * is opened, the uberblock must be read off the disk before the version + * can be checked. If the ub_version field is moved, we may not detect + * version mismatch. If the ub_magic field is moved, applications that + * expect the magic number in the first word won't work. + */ +#define UBERBLOCK_MAGIC 0x00bab10c /* oo-ba-bloc! */ +#define UBERBLOCK_SHIFT 10 /* up to 1K */ + +struct uberblock { + uint64_t ub_magic; /* UBERBLOCK_MAGIC */ + uint64_t ub_version; /* SPA_VERSION */ + uint64_t ub_txg; /* txg of last sync */ + uint64_t ub_guid_sum; /* sum of all vdev guids */ + uint64_t ub_timestamp; /* UTC time of last sync */ + blkptr_t ub_rootbp; /* MOS objset_phys_t */ + + /* highest SPA_VERSION supported by software that wrote this txg */ + uint64_t ub_software_version; +}; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_UBERBLOCK_IMPL_H */ diff --git a/zfs/include/sys/uio_impl.h b/zfs/include/sys/uio_impl.h new file mode 100644 index 000000000000..37e283da0f8b --- /dev/null +++ b/zfs/include/sys/uio_impl.h @@ -0,0 +1,49 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + +/* + * University Copyright- Copyright (c) 1982, 1986, 1988 + * The Regents of the University of California + * All Rights Reserved + * + * University Acknowledgment- Portions of this document are derived from + * software developed by the University of California, Berkeley, and its + * contributors. + */ + +#ifndef _SYS_UIO_IMPL_H +#define _SYS_UIO_IMPL_H + +#include + +extern int uiomove(void *, size_t, enum uio_rw, uio_t *); +extern void uio_prefaultpages(ssize_t, uio_t *); +extern int uiocopy(void *, size_t, enum uio_rw, uio_t *, size_t *); +extern void uioskip(uio_t *, size_t); + +#endif /* _SYS_UIO_IMPL_H */ diff --git a/zfs/include/sys/unique.h b/zfs/include/sys/unique.h new file mode 100644 index 000000000000..d4ba32e5c642 --- /dev/null +++ b/zfs/include/sys/unique.h @@ -0,0 +1,57 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_UNIQUE_H +#define _SYS_UNIQUE_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* The number of significant bits in each unique value. */ +#define UNIQUE_BITS 56 + +void unique_init(void); +void unique_fini(void); + +/* + * Return a new unique value (which will not be uniquified against until + * it is unique_insert()-ed). + */ +uint64_t unique_create(void); + +/* Return a unique value, which equals the one passed in if possible. */ +uint64_t unique_insert(uint64_t value); + +/* Indicate that this value no longer needs to be uniquified against. */ +void unique_remove(uint64_t value); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_UNIQUE_H */ diff --git a/zfs/include/sys/uuid.h b/zfs/include/sys/uuid.h new file mode 100644 index 000000000000..eab4622a6d9a --- /dev/null +++ b/zfs/include/sys/uuid.h @@ -0,0 +1,94 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_UUID_H +#define _SYS_UUID_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The copyright in this file is taken from the original Leach + * & Salz UUID specification, from which this implementation + * is derived. + */ + +/* + * Copyright (c) 1990- 1993, 1996 Open Software Foundation, Inc. + * Copyright (c) 1989 by Hewlett-Packard Company, Palo Alto, Ca. & + * Digital Equipment Corporation, Maynard, Mass. Copyright (c) 1998 + * Microsoft. To anyone who acknowledges that this file is provided + * "AS IS" without any express or implied warranty: permission to use, + * copy, modify, and distribute this file for any purpose is hereby + * granted without fee, provided that the above copyright notices and + * this notice appears in all source code copies, and that none of the + * names of Open Software Foundation, Inc., Hewlett-Packard Company, + * or Digital Equipment Corporation be used in advertising or + * publicity pertaining to distribution of the software without + * specific, written prior permission. Neither Open Software + * Foundation, Inc., Hewlett-Packard Company, Microsoft, nor Digital + * Equipment Corporation makes any representations about the + * suitability of this software for any purpose. + */ + +#include +#include + +typedef struct { + uint8_t nodeID[6]; +} uuid_node_t; + +/* + * The uuid type used throughout when referencing uuids themselves + */ +struct uuid { + uint32_t time_low; + uint16_t time_mid; + uint16_t time_hi_and_version; + uint8_t clock_seq_hi_and_reserved; + uint8_t clock_seq_low; + uint8_t node_addr[6]; +}; + +#define UUID_PRINTABLE_STRING_LENGTH 37 + +/* + * Convert a uuid to/from little-endian format + */ +#define UUID_LE_CONVERT(dest, src) \ +{ \ + (dest) = (src); \ + (dest).time_low = LE_32((dest).time_low); \ + (dest).time_mid = LE_16((dest).time_mid); \ + (dest).time_hi_and_version = LE_16((dest).time_hi_and_version); \ +} + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_UUID_H */ diff --git a/zfs/include/sys/vdev.h b/zfs/include/sys/vdev.h new file mode 100644 index 000000000000..365789e524d6 --- /dev/null +++ b/zfs/include/sys/vdev.h @@ -0,0 +1,164 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_VDEV_H +#define _SYS_VDEV_H + +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum vdev_dtl_type { + DTL_MISSING, /* 0% replication: no copies of the data */ + DTL_PARTIAL, /* less than 100% replication: some copies missing */ + DTL_SCRUB, /* unable to fully repair during scrub/resilver */ + DTL_OUTAGE, /* temporarily missing (used to attempt detach) */ + DTL_TYPES +} vdev_dtl_type_t; + +extern int zfs_nocacheflush; + +extern int vdev_open(vdev_t *); +extern void vdev_open_children(vdev_t *); +extern int vdev_validate(vdev_t *, boolean_t); +extern void vdev_close(vdev_t *); +extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace); +extern void vdev_reopen(vdev_t *); +extern int vdev_validate_aux(vdev_t *vd); +extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio); + +extern boolean_t vdev_is_bootable(vdev_t *vd); +extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev); +extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid); +extern int vdev_count_leaves(spa_t *spa); +extern void vdev_dtl_dirty(vdev_t *vd, vdev_dtl_type_t d, + uint64_t txg, uint64_t size); +extern boolean_t vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t d, + uint64_t txg, uint64_t size); +extern boolean_t vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t d); +extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, + int scrub_done); +extern boolean_t vdev_dtl_required(vdev_t *vd); +extern boolean_t vdev_resilver_needed(vdev_t *vd, + uint64_t *minp, uint64_t *maxp); + +extern void vdev_hold(vdev_t *); +extern void vdev_rele(vdev_t *); + +extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg); +extern void vdev_metaslab_fini(vdev_t *vd); +extern void vdev_metaslab_set_size(vdev_t *); +extern void vdev_expand(vdev_t *vd, uint64_t txg); +extern void vdev_split(vdev_t *vd); +extern void vdev_deadman(vdev_t *vd); + + +extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs); +extern void vdev_clear_stats(vdev_t *vd); +extern void vdev_stat_update(zio_t *zio, uint64_t psize); +extern void vdev_scan_stat_init(vdev_t *vd); +extern void vdev_propagate_state(vdev_t *vd); +extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, + vdev_aux_t aux); + +extern void vdev_space_update(vdev_t *vd, + int64_t alloc_delta, int64_t defer_delta, int64_t space_delta); + +extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize); + +extern int vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux); +extern int vdev_degrade(spa_t *spa, uint64_t guid, vdev_aux_t aux); +extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, + vdev_state_t *); +extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags); +extern void vdev_clear(spa_t *spa, vdev_t *vd); + +extern boolean_t vdev_is_dead(vdev_t *vd); +extern boolean_t vdev_readable(vdev_t *vd); +extern boolean_t vdev_writeable(vdev_t *vd); +extern boolean_t vdev_allocatable(vdev_t *vd); +extern boolean_t vdev_accessible(vdev_t *vd, zio_t *zio); + +extern void vdev_cache_init(vdev_t *vd); +extern void vdev_cache_fini(vdev_t *vd); +extern boolean_t vdev_cache_read(zio_t *zio); +extern void vdev_cache_write(zio_t *zio); +extern void vdev_cache_purge(vdev_t *vd); + +extern void vdev_queue_init(vdev_t *vd); +extern void vdev_queue_fini(vdev_t *vd); +extern zio_t *vdev_queue_io(zio_t *zio); +extern void vdev_queue_io_done(zio_t *zio); + +extern void vdev_config_dirty(vdev_t *vd); +extern void vdev_config_clean(vdev_t *vd); +extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg, + boolean_t); + +extern void vdev_state_dirty(vdev_t *vd); +extern void vdev_state_clean(vdev_t *vd); + +typedef enum vdev_config_flag { + VDEV_CONFIG_SPARE = 1 << 0, + VDEV_CONFIG_L2CACHE = 1 << 1, + VDEV_CONFIG_REMOVING = 1 << 2 +} vdev_config_flag_t; + +extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config); +extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd, + boolean_t getstats, vdev_config_flag_t flags); + +/* + * Label routines + */ +struct uberblock; +extern uint64_t vdev_label_offset(uint64_t psize, int l, uint64_t offset); +extern int vdev_label_number(uint64_t psise, uint64_t offset); +extern nvlist_t *vdev_label_read_config(vdev_t *vd, uint64_t txg); +extern void vdev_uberblock_load(vdev_t *, struct uberblock *, nvlist_t **); + +typedef enum { + VDEV_LABEL_CREATE, /* create/add a new device */ + VDEV_LABEL_REPLACE, /* replace an existing device */ + VDEV_LABEL_SPARE, /* add a new hot spare */ + VDEV_LABEL_REMOVE, /* remove an existing device */ + VDEV_LABEL_L2CACHE, /* add an L2ARC cache device */ + VDEV_LABEL_SPLIT /* generating new label for split-off dev */ +} vdev_labeltype_t; + +extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_VDEV_H */ diff --git a/zfs/include/sys/vdev_disk.h b/zfs/include/sys/vdev_disk.h new file mode 100644 index 000000000000..15570b10553f --- /dev/null +++ b/zfs/include/sys/vdev_disk.h @@ -0,0 +1,41 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * LLNL-CODE-403049. + */ + +#ifndef _SYS_VDEV_DISK_H +#define _SYS_VDEV_DISK_H + +#ifdef _KERNEL +#include + +typedef struct vdev_disk { + ddi_devid_t vd_devid; + char *vd_minor; + struct block_device *vd_bdev; +} vdev_disk_t; + +#endif /* _KERNEL */ +#endif /* _SYS_VDEV_DISK_H */ diff --git a/zfs/include/sys/vdev_file.h b/zfs/include/sys/vdev_file.h new file mode 100644 index 000000000000..aebcf55cfd9a --- /dev/null +++ b/zfs/include/sys/vdev_file.h @@ -0,0 +1,44 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_VDEV_FILE_H +#define _SYS_VDEV_FILE_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct vdev_file { + vnode_t *vf_vnode; +} vdev_file_t; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_VDEV_FILE_H */ diff --git a/zfs/include/sys/vdev_impl.h b/zfs/include/sys/vdev_impl.h new file mode 100644 index 000000000000..1371a3f0391f --- /dev/null +++ b/zfs/include/sys/vdev_impl.h @@ -0,0 +1,351 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + */ + +#ifndef _SYS_VDEV_IMPL_H +#define _SYS_VDEV_IMPL_H + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Virtual device descriptors. + * + * All storage pool operations go through the virtual device framework, + * which provides data replication and I/O scheduling. + */ + +/* + * Forward declarations that lots of things need. + */ +typedef struct vdev_queue vdev_queue_t; +typedef struct vdev_cache vdev_cache_t; +typedef struct vdev_cache_entry vdev_cache_entry_t; + +/* + * Virtual device operations + */ +typedef int vdev_open_func_t(vdev_t *vd, uint64_t *size, uint64_t *max_size, + uint64_t *ashift); +typedef void vdev_close_func_t(vdev_t *vd); +typedef uint64_t vdev_asize_func_t(vdev_t *vd, uint64_t psize); +typedef void vdev_io_start_func_t(zio_t *zio); +typedef void vdev_io_done_func_t(zio_t *zio); +typedef void vdev_state_change_func_t(vdev_t *vd, int, int); +typedef void vdev_hold_func_t(vdev_t *vd); +typedef void vdev_rele_func_t(vdev_t *vd); + +typedef const struct vdev_ops { + vdev_open_func_t *vdev_op_open; + vdev_close_func_t *vdev_op_close; + vdev_asize_func_t *vdev_op_asize; + vdev_io_start_func_t *vdev_op_io_start; + vdev_io_done_func_t *vdev_op_io_done; + vdev_state_change_func_t *vdev_op_state_change; + vdev_hold_func_t *vdev_op_hold; + vdev_rele_func_t *vdev_op_rele; + char vdev_op_type[16]; + boolean_t vdev_op_leaf; +} vdev_ops_t; + +/* + * Virtual device properties + */ +struct vdev_cache_entry { + char *ve_data; + uint64_t ve_offset; + clock_t ve_lastused; + avl_node_t ve_offset_node; + avl_node_t ve_lastused_node; + uint32_t ve_hits; + uint16_t ve_missed_update; + zio_t *ve_fill_io; +}; + +struct vdev_cache { + avl_tree_t vc_offset_tree; + avl_tree_t vc_lastused_tree; + kmutex_t vc_lock; +}; + +typedef struct vdev_queue_class { + uint32_t vqc_active; + + /* + * Sorted by offset or timestamp, depending on if the queue is + * LBA-ordered vs FIFO. + */ + avl_tree_t vqc_queued_tree; +} vdev_queue_class_t; + +struct vdev_queue { + vdev_t *vq_vdev; + vdev_queue_class_t vq_class[ZIO_PRIORITY_NUM_QUEUEABLE]; + avl_tree_t vq_active_tree; + avl_tree_t vq_read_offset_tree; + avl_tree_t vq_write_offset_tree; + uint64_t vq_last_offset; + hrtime_t vq_io_complete_ts; /* time last i/o completed */ + hrtime_t vq_io_delta_ts; + zio_t vq_io_search; /* used as local for stack reduction */ + kmutex_t vq_lock; +}; + +/* + * Virtual device descriptor + */ +struct vdev { + /* + * Common to all vdev types. + */ + uint64_t vdev_id; /* child number in vdev parent */ + uint64_t vdev_guid; /* unique ID for this vdev */ + uint64_t vdev_guid_sum; /* self guid + all child guids */ + uint64_t vdev_orig_guid; /* orig. guid prior to remove */ + uint64_t vdev_asize; /* allocatable device capacity */ + uint64_t vdev_min_asize; /* min acceptable asize */ + uint64_t vdev_max_asize; /* max acceptable asize */ + uint64_t vdev_ashift; /* block alignment shift */ + uint64_t vdev_state; /* see VDEV_STATE_* #defines */ + uint64_t vdev_prevstate; /* used when reopening a vdev */ + vdev_ops_t *vdev_ops; /* vdev operations */ + spa_t *vdev_spa; /* spa for this vdev */ + void *vdev_tsd; /* type-specific data */ + vnode_t *vdev_name_vp; /* vnode for pathname */ + vnode_t *vdev_devid_vp; /* vnode for devid */ + vdev_t *vdev_top; /* top-level vdev */ + vdev_t *vdev_parent; /* parent vdev */ + vdev_t **vdev_child; /* array of children */ + uint64_t vdev_children; /* number of children */ + vdev_stat_t vdev_stat; /* virtual device statistics */ + boolean_t vdev_expanding; /* expand the vdev? */ + boolean_t vdev_reopening; /* reopen in progress? */ + boolean_t vdev_nonrot; /* true if solid state */ + int vdev_open_error; /* error on last open */ + kthread_t *vdev_open_thread; /* thread opening children */ + uint64_t vdev_crtxg; /* txg when top-level was added */ + + /* + * Top-level vdev state. + */ + uint64_t vdev_ms_array; /* metaslab array object */ + uint64_t vdev_ms_shift; /* metaslab size shift */ + uint64_t vdev_ms_count; /* number of metaslabs */ + metaslab_group_t *vdev_mg; /* metaslab group */ + metaslab_t **vdev_ms; /* metaslab array */ + uint64_t vdev_pending_fastwrite; /* allocated fastwrites */ + txg_list_t vdev_ms_list; /* per-txg dirty metaslab lists */ + txg_list_t vdev_dtl_list; /* per-txg dirty DTL lists */ + txg_node_t vdev_txg_node; /* per-txg dirty vdev linkage */ + boolean_t vdev_remove_wanted; /* async remove wanted? */ + boolean_t vdev_probe_wanted; /* async probe wanted? */ + list_node_t vdev_config_dirty_node; /* config dirty list */ + list_node_t vdev_state_dirty_node; /* state dirty list */ + uint64_t vdev_deflate_ratio; /* deflation ratio (x512) */ + uint64_t vdev_islog; /* is an intent log device */ + uint64_t vdev_removing; /* device is being removed? */ + boolean_t vdev_ishole; /* is a hole in the namespace */ + + /* + * Leaf vdev state. + */ + range_tree_t *vdev_dtl[DTL_TYPES]; /* dirty time logs */ + space_map_t *vdev_dtl_sm; /* dirty time log space map */ + txg_node_t vdev_dtl_node; /* per-txg dirty DTL linkage */ + uint64_t vdev_dtl_object; /* DTL object */ + uint64_t vdev_psize; /* physical device capacity */ + uint64_t vdev_wholedisk; /* true if this is a whole disk */ + uint64_t vdev_offline; /* persistent offline state */ + uint64_t vdev_faulted; /* persistent faulted state */ + uint64_t vdev_degraded; /* persistent degraded state */ + uint64_t vdev_removed; /* persistent removed state */ + uint64_t vdev_resilver_txg; /* persistent resilvering state */ + uint64_t vdev_nparity; /* number of parity devices for raidz */ + char *vdev_path; /* vdev path (if any) */ + char *vdev_devid; /* vdev devid (if any) */ + char *vdev_physpath; /* vdev device path (if any) */ + char *vdev_fru; /* physical FRU location */ + uint64_t vdev_not_present; /* not present during import */ + uint64_t vdev_unspare; /* unspare when resilvering done */ + boolean_t vdev_nowritecache; /* true if flushwritecache failed */ + boolean_t vdev_checkremove; /* temporary online test */ + boolean_t vdev_forcefault; /* force online fault */ + boolean_t vdev_splitting; /* split or repair in progress */ + boolean_t vdev_delayed_close; /* delayed device close? */ + boolean_t vdev_tmpoffline; /* device taken offline temporarily? */ + boolean_t vdev_detached; /* device detached? */ + boolean_t vdev_cant_read; /* vdev is failing all reads */ + boolean_t vdev_cant_write; /* vdev is failing all writes */ + boolean_t vdev_isspare; /* was a hot spare */ + boolean_t vdev_isl2cache; /* was a l2cache device */ + vdev_queue_t vdev_queue; /* I/O deadline schedule queue */ + vdev_cache_t vdev_cache; /* physical block cache */ + spa_aux_vdev_t *vdev_aux; /* for l2cache and spares vdevs */ + zio_t *vdev_probe_zio; /* root of current probe */ + vdev_aux_t vdev_label_aux; /* on-disk aux state */ + + /* + * For DTrace to work in userland (libzpool) context, these fields must + * remain at the end of the structure. DTrace will use the kernel's + * CTF definition for 'struct vdev', and since the size of a kmutex_t is + * larger in userland, the offsets for the rest of the fields would be + * incorrect. + */ + kmutex_t vdev_dtl_lock; /* vdev_dtl_{map,resilver} */ + kmutex_t vdev_stat_lock; /* vdev_stat */ + kmutex_t vdev_probe_lock; /* protects vdev_probe_zio */ +}; + +#define VDEV_RAIDZ_MAXPARITY 3 + +#define VDEV_PAD_SIZE (8 << 10) +/* 2 padding areas (vl_pad1 and vl_pad2) to skip */ +#define VDEV_SKIP_SIZE VDEV_PAD_SIZE * 2 +#define VDEV_PHYS_SIZE (112 << 10) +#define VDEV_UBERBLOCK_RING (128 << 10) + +/* The largest uberblock we support is 8k. */ +#define MAX_UBERBLOCK_SHIFT (13) +#define VDEV_UBERBLOCK_SHIFT(vd) \ + MIN(MAX((vd)->vdev_top->vdev_ashift, UBERBLOCK_SHIFT), \ + MAX_UBERBLOCK_SHIFT) +#define VDEV_UBERBLOCK_COUNT(vd) \ + (VDEV_UBERBLOCK_RING >> VDEV_UBERBLOCK_SHIFT(vd)) +#define VDEV_UBERBLOCK_OFFSET(vd, n) \ + offsetof(vdev_label_t, vl_uberblock[(n) << VDEV_UBERBLOCK_SHIFT(vd)]) +#define VDEV_UBERBLOCK_SIZE(vd) (1ULL << VDEV_UBERBLOCK_SHIFT(vd)) + +typedef struct vdev_phys { + char vp_nvlist[VDEV_PHYS_SIZE - sizeof (zio_eck_t)]; + zio_eck_t vp_zbt; +} vdev_phys_t; + +typedef struct vdev_label { + char vl_pad1[VDEV_PAD_SIZE]; /* 8K */ + char vl_pad2[VDEV_PAD_SIZE]; /* 8K */ + vdev_phys_t vl_vdev_phys; /* 112K */ + char vl_uberblock[VDEV_UBERBLOCK_RING]; /* 128K */ +} vdev_label_t; /* 256K total */ + +/* + * vdev_dirty() flags + */ +#define VDD_METASLAB 0x01 +#define VDD_DTL 0x02 + +/* Offset of embedded boot loader region on each label */ +#define VDEV_BOOT_OFFSET (2 * sizeof (vdev_label_t)) +/* + * Size of embedded boot loader region on each label. + * The total size of the first two labels plus the boot area is 4MB. + */ +#define VDEV_BOOT_SIZE (7ULL << 19) /* 3.5M */ + +/* + * Size of label regions at the start and end of each leaf device. + */ +#define VDEV_LABEL_START_SIZE (2 * sizeof (vdev_label_t) + VDEV_BOOT_SIZE) +#define VDEV_LABEL_END_SIZE (2 * sizeof (vdev_label_t)) +#define VDEV_LABELS 4 +#define VDEV_BEST_LABEL VDEV_LABELS + +#define VDEV_ALLOC_LOAD 0 +#define VDEV_ALLOC_ADD 1 +#define VDEV_ALLOC_SPARE 2 +#define VDEV_ALLOC_L2CACHE 3 +#define VDEV_ALLOC_ROOTPOOL 4 +#define VDEV_ALLOC_SPLIT 5 +#define VDEV_ALLOC_ATTACH 6 + +/* + * Allocate or free a vdev + */ +extern vdev_t *vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, + vdev_ops_t *ops); +extern int vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *config, + vdev_t *parent, uint_t id, int alloctype); +extern void vdev_free(vdev_t *vd); + +/* + * Add or remove children and parents + */ +extern void vdev_add_child(vdev_t *pvd, vdev_t *cvd); +extern void vdev_remove_child(vdev_t *pvd, vdev_t *cvd); +extern void vdev_compact_children(vdev_t *pvd); +extern vdev_t *vdev_add_parent(vdev_t *cvd, vdev_ops_t *ops); +extern void vdev_remove_parent(vdev_t *cvd); + +/* + * vdev sync load and sync + */ +extern void vdev_load_log_state(vdev_t *nvd, vdev_t *ovd); +extern boolean_t vdev_log_state_valid(vdev_t *vd); +extern void vdev_load(vdev_t *vd); +extern int vdev_dtl_load(vdev_t *vd); +extern void vdev_sync(vdev_t *vd, uint64_t txg); +extern void vdev_sync_done(vdev_t *vd, uint64_t txg); +extern void vdev_dirty(vdev_t *vd, int flags, void *arg, uint64_t txg); +extern void vdev_dirty_leaves(vdev_t *vd, int flags, uint64_t txg); + +/* + * Available vdev types. + */ +extern vdev_ops_t vdev_root_ops; +extern vdev_ops_t vdev_mirror_ops; +extern vdev_ops_t vdev_replacing_ops; +extern vdev_ops_t vdev_raidz_ops; +extern vdev_ops_t vdev_disk_ops; +extern vdev_ops_t vdev_file_ops; +extern vdev_ops_t vdev_missing_ops; +extern vdev_ops_t vdev_hole_ops; +extern vdev_ops_t vdev_spare_ops; + +/* + * Common size functions + */ +extern uint64_t vdev_default_asize(vdev_t *vd, uint64_t psize); +extern uint64_t vdev_get_min_asize(vdev_t *vd); +extern void vdev_set_min_asize(vdev_t *vd); + +/* + * Global variables + */ +/* zdb uses this tunable, so it must be declared here to make lint happy. */ +extern int zfs_vdev_cache_size; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_VDEV_IMPL_H */ diff --git a/zfs/include/sys/xvattr.h b/zfs/include/sys/xvattr.h new file mode 100644 index 000000000000..53945d85b98b --- /dev/null +++ b/zfs/include/sys/xvattr.h @@ -0,0 +1,330 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + +/* + * University Copyright- Copyright (c) 1982, 1986, 1988 + * The Regents of the University of California + * All Rights Reserved + * + * University Acknowledgment- Portions of this document are derived from + * software developed by the University of California, Berkeley, and its + * contributors. + */ + +#ifndef _SYS_XVATTR_H +#define _SYS_XVATTR_H + +#include + +#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ + +/* + * Structure of all optional attributes. + */ +typedef struct xoptattr { + timestruc_t xoa_createtime; /* Create time of file */ + uint8_t xoa_archive; + uint8_t xoa_system; + uint8_t xoa_readonly; + uint8_t xoa_hidden; + uint8_t xoa_nounlink; + uint8_t xoa_immutable; + uint8_t xoa_appendonly; + uint8_t xoa_nodump; + uint8_t xoa_opaque; + uint8_t xoa_av_quarantined; + uint8_t xoa_av_modified; + uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; + uint8_t xoa_reparse; + uint64_t xoa_generation; + uint8_t xoa_offline; + uint8_t xoa_sparse; +} xoptattr_t; + +/* + * The xvattr structure is really a variable length structure that + * is made up of: + * - The classic vattr_t (xva_vattr) + * - a 32 bit quantity (xva_mapsize) that specifies the size of the + * attribute bitmaps in 32 bit words. + * - A pointer to the returned attribute bitmap (needed because the + * previous element, the requested attribute bitmap) is variable lenth. + * - The requested attribute bitmap, which is an array of 32 bit words. + * Callers use the XVA_SET_REQ() macro to set the bits corresponding to + * the attributes that are being requested. + * - The returned attribute bitmap, which is an array of 32 bit words. + * File systems that support optional attributes use the XVA_SET_RTN() + * macro to set the bits corresponding to the attributes that are being + * returned. + * - The xoptattr_t structure which contains the attribute values + * + * xva_mapsize determines how many words in the attribute bitmaps. + * Immediately following the attribute bitmaps is the xoptattr_t. + * xva_getxoptattr() is used to get the pointer to the xoptattr_t + * section. + */ + +#define XVA_MAPSIZE 3 /* Size of attr bitmaps */ +#define XVA_MAGIC 0x78766174 /* Magic # for verification */ + +/* + * The xvattr structure is an extensible structure which permits optional + * attributes to be requested/returned. File systems may or may not support + * optional attributes. They do so at their own discretion but if they do + * support optional attributes, they must register the VFSFT_XVATTR feature + * so that the optional attributes can be set/retrived. + * + * The fields of the xvattr structure are: + * + * xva_vattr - The first element of an xvattr is a legacy vattr structure + * which includes the common attributes. If AT_XVATTR is set in the va_mask + * then the entire structure is treated as an xvattr. If AT_XVATTR is not + * set, then only the xva_vattr structure can be used. + * + * xva_magic - 0x78766174 (hex for "xvat"). Magic number for verification. + * + * xva_mapsize - Size of requested and returned attribute bitmaps. + * + * xva_rtnattrmapp - Pointer to xva_rtnattrmap[]. We need this since the + * size of the array before it, xva_reqattrmap[], could change which means + * the location of xva_rtnattrmap[] could change. This will allow unbundled + * file systems to find the location of xva_rtnattrmap[] when the sizes change. + * + * xva_reqattrmap[] - Array of requested attributes. Attributes are + * represented by a specific bit in a specific element of the attribute + * map array. Callers set the bits corresponding to the attributes + * that the caller wants to get/set. + * + * xva_rtnattrmap[] - Array of attributes that the file system was able to + * process. Not all file systems support all optional attributes. This map + * informs the caller which attributes the underlying file system was able + * to set/get. (Same structure as the requested attributes array in terms + * of each attribute corresponding to specific bits and array elements.) + * + * xva_xoptattrs - Structure containing values of optional attributes. + * These values are only valid if the corresponding bits in xva_reqattrmap + * are set and the underlying file system supports those attributes. + */ +typedef struct xvattr { + vattr_t xva_vattr; /* Embedded vattr structure */ + uint32_t xva_magic; /* Magic Number */ + uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ + uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ + uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ + uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ + xoptattr_t xva_xoptattrs; /* Optional attributes */ +} xvattr_t; + +/* + * Attribute bits used in the extensible attribute's (xva's) attribute + * bitmaps. Note that the bitmaps are made up of a variable length number + * of 32-bit words. The convention is to use XAT{n}_{attrname} where "n" + * is the element in the bitmap (starting at 1). This convention is for + * the convenience of the maintainer to keep track of which element each + * attribute belongs to. + * + * NOTE THAT CONSUMERS MUST *NOT* USE THE XATn_* DEFINES DIRECTLY. CONSUMERS + * MUST USE THE XAT_* DEFINES. + */ +#define XAT0_INDEX 0LL /* Index into bitmap for XAT0 attrs */ +#define XAT0_CREATETIME 0x00000001 /* Create time of file */ +#define XAT0_ARCHIVE 0x00000002 /* Archive */ +#define XAT0_SYSTEM 0x00000004 /* System */ +#define XAT0_READONLY 0x00000008 /* Readonly */ +#define XAT0_HIDDEN 0x00000010 /* Hidden */ +#define XAT0_NOUNLINK 0x00000020 /* Nounlink */ +#define XAT0_IMMUTABLE 0x00000040 /* immutable */ +#define XAT0_APPENDONLY 0x00000080 /* appendonly */ +#define XAT0_NODUMP 0x00000100 /* nodump */ +#define XAT0_OPAQUE 0x00000200 /* opaque */ +#define XAT0_AV_QUARANTINED 0x00000400 /* anti-virus quarantine */ +#define XAT0_AV_MODIFIED 0x00000800 /* anti-virus modified */ +#define XAT0_AV_SCANSTAMP 0x00001000 /* anti-virus scanstamp */ +#define XAT0_REPARSE 0x00002000 /* FS reparse point */ +#define XAT0_GEN 0x00004000 /* object generation number */ +#define XAT0_OFFLINE 0x00008000 /* offline */ +#define XAT0_SPARSE 0x00010000 /* sparse */ + +#define XAT0_ALL_ATTRS (XAT0_CREATETIME|XAT0_ARCHIVE|XAT0_SYSTEM| \ + XAT0_READONLY|XAT0_HIDDEN|XAT0_NOUNLINK|XAT0_IMMUTABLE|XAT0_APPENDONLY| \ + XAT0_NODUMP|XAT0_OPAQUE|XAT0_AV_QUARANTINED| XAT0_AV_MODIFIED| \ + XAT0_AV_SCANSTAMP|XAT0_REPARSE|XATO_GEN|XAT0_OFFLINE|XAT0_SPARSE) + +/* Support for XAT_* optional attributes */ +#define XVA_MASK 0xffffffff /* Used to mask off 32 bits */ +#define XVA_SHFT 32 /* Used to shift index */ + +/* + * Used to pry out the index and attribute bits from the XAT_* attributes + * defined below. Note that we're masking things down to 32 bits then + * casting to uint32_t. + */ +#define XVA_INDEX(attr) ((uint32_t)(((attr) >> XVA_SHFT) & XVA_MASK)) +#define XVA_ATTRBIT(attr) ((uint32_t)((attr) & XVA_MASK)) + +/* + * The following defines present a "flat namespace" so that consumers don't + * need to keep track of which element belongs to which bitmap entry. + * + * NOTE THAT THESE MUST NEVER BE OR-ed TOGETHER + */ +#define XAT_CREATETIME ((XAT0_INDEX << XVA_SHFT) | XAT0_CREATETIME) +#define XAT_ARCHIVE ((XAT0_INDEX << XVA_SHFT) | XAT0_ARCHIVE) +#define XAT_SYSTEM ((XAT0_INDEX << XVA_SHFT) | XAT0_SYSTEM) +#define XAT_READONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_READONLY) +#define XAT_HIDDEN ((XAT0_INDEX << XVA_SHFT) | XAT0_HIDDEN) +#define XAT_NOUNLINK ((XAT0_INDEX << XVA_SHFT) | XAT0_NOUNLINK) +#define XAT_IMMUTABLE ((XAT0_INDEX << XVA_SHFT) | XAT0_IMMUTABLE) +#define XAT_APPENDONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_APPENDONLY) +#define XAT_NODUMP ((XAT0_INDEX << XVA_SHFT) | XAT0_NODUMP) +#define XAT_OPAQUE ((XAT0_INDEX << XVA_SHFT) | XAT0_OPAQUE) +#define XAT_AV_QUARANTINED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_QUARANTINED) +#define XAT_AV_MODIFIED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_MODIFIED) +#define XAT_AV_SCANSTAMP ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_SCANSTAMP) +#define XAT_REPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_REPARSE) +#define XAT_GEN ((XAT0_INDEX << XVA_SHFT) | XAT0_GEN) +#define XAT_OFFLINE ((XAT0_INDEX << XVA_SHFT) | XAT0_OFFLINE) +#define XAT_SPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_SPARSE) + +/* + * The returned attribute map array (xva_rtnattrmap[]) is located past the + * requested attribute map array (xva_reqattrmap[]). Its location changes + * when the array sizes change. We use a separate pointer in a known location + * (xva_rtnattrmapp) to hold the location of xva_rtnattrmap[]. This is + * set in xva_init() + */ +#define XVA_RTNATTRMAP(xvap) ((xvap)->xva_rtnattrmapp) + +/* + * XVA_SET_REQ() sets an attribute bit in the proper element in the bitmap + * of requested attributes (xva_reqattrmap[]). + */ +#define XVA_SET_REQ(xvap, attr) \ + ASSERT((xvap)->xva_vattr.va_mask & AT_XVATTR); \ + ASSERT((xvap)->xva_magic == XVA_MAGIC); \ + (xvap)->xva_reqattrmap[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) +/* + * XVA_CLR_REQ() clears an attribute bit in the proper element in the bitmap + * of requested attributes (xva_reqattrmap[]). + */ +#define XVA_CLR_REQ(xvap, attr) \ + ASSERT((xvap)->xva_vattr.va_mask & AT_XVATTR); \ + ASSERT((xvap)->xva_magic == XVA_MAGIC); \ + (xvap)->xva_reqattrmap[XVA_INDEX(attr)] &= ~XVA_ATTRBIT(attr) + +/* + * XVA_SET_RTN() sets an attribute bit in the proper element in the bitmap + * of returned attributes (xva_rtnattrmap[]). + */ +#define XVA_SET_RTN(xvap, attr) \ + ASSERT((xvap)->xva_vattr.va_mask & AT_XVATTR); \ + ASSERT((xvap)->xva_magic == XVA_MAGIC); \ + (XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) + +/* + * XVA_ISSET_REQ() checks the requested attribute bitmap (xva_reqattrmap[]) + * to see of the corresponding attribute bit is set. If so, returns non-zero. + */ +#define XVA_ISSET_REQ(xvap, attr) \ + ((((xvap)->xva_vattr.va_mask & AT_XVATTR) && \ + ((xvap)->xva_magic == XVA_MAGIC) && \ + ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ + ((xvap)->xva_reqattrmap[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) + +/* + * XVA_ISSET_RTN() checks the returned attribute bitmap (xva_rtnattrmap[]) + * to see of the corresponding attribute bit is set. If so, returns non-zero. + */ +#define XVA_ISSET_RTN(xvap, attr) \ + ((((xvap)->xva_vattr.va_mask & AT_XVATTR) && \ + ((xvap)->xva_magic == XVA_MAGIC) && \ + ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ + ((XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) + +/* + * Zero out the structure, set the size of the requested/returned bitmaps, + * set AT_XVATTR in the embedded vattr_t's va_mask, and set up the pointer + * to the returned attributes array. + */ +static inline void +xva_init(xvattr_t *xvap) +{ + bzero(xvap, sizeof (xvattr_t)); + xvap->xva_mapsize = XVA_MAPSIZE; + xvap->xva_magic = XVA_MAGIC; + xvap->xva_vattr.va_mask = ATTR_XVATTR; + xvap->xva_rtnattrmapp = &(xvap->xva_rtnattrmap)[0]; +} + +/* + * If AT_XVATTR is set, returns a pointer to the embedded xoptattr_t + * structure. Otherwise, returns NULL. + */ +static inline xoptattr_t * +xva_getxoptattr(xvattr_t *xvap) +{ + xoptattr_t *xoap = NULL; + if (xvap->xva_vattr.va_mask & AT_XVATTR) + xoap = &xvap->xva_xoptattrs; + return (xoap); +} + +#define MODEMASK 07777 /* mode bits plus permission bits */ +#define PERMMASK 00777 /* permission bits */ + +/* + * VOP_ACCESS flags + */ +#define V_ACE_MASK 0x1 /* mask represents NFSv4 ACE permissions */ +#define V_APPEND 0x2 /* want to do append only check */ + +/* + * Structure used on VOP_GETSECATTR and VOP_SETSECATTR operations + */ + +typedef struct vsecattr { + uint_t vsa_mask; /* See below */ + int vsa_aclcnt; /* ACL entry count */ + void *vsa_aclentp; /* pointer to ACL entries */ + int vsa_dfaclcnt; /* default ACL entry count */ + void *vsa_dfaclentp; /* pointer to default ACL entries */ + size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ + uint_t vsa_aclflags; /* ACE ACL flags */ +} vsecattr_t; + +/* vsa_mask values */ +#define VSA_ACL 0x0001 +#define VSA_ACLCNT 0x0002 +#define VSA_DFACL 0x0004 +#define VSA_DFACLCNT 0x0008 +#define VSA_ACE 0x0010 +#define VSA_ACECNT 0x0020 +#define VSA_ACE_ALLTYPES 0x0040 +#define VSA_ACE_ACLFLAGS 0x0080 /* get/set ACE ACL flags */ + +#endif /* _SYS_XVATTR_H */ diff --git a/zfs/include/sys/zap.h b/zfs/include/sys/zap.h new file mode 100644 index 000000000000..ed60b86dbd71 --- /dev/null +++ b/zfs/include/sys/zap.h @@ -0,0 +1,490 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_ZAP_H +#define _SYS_ZAP_H + +/* + * ZAP - ZFS Attribute Processor + * + * The ZAP is a module which sits on top of the DMU (Data Management + * Unit) and implements a higher-level storage primitive using DMU + * objects. Its primary consumer is the ZPL (ZFS Posix Layer). + * + * A "zapobj" is a DMU object which the ZAP uses to stores attributes. + * Users should use only zap routines to access a zapobj - they should + * not access the DMU object directly using DMU routines. + * + * The attributes stored in a zapobj are name-value pairs. The name is + * a zero-terminated string of up to ZAP_MAXNAMELEN bytes (including + * terminating NULL). The value is an array of integers, which may be + * 1, 2, 4, or 8 bytes long. The total space used by the array (number + * of integers * integer length) can be up to ZAP_MAXVALUELEN bytes. + * Note that an 8-byte integer value can be used to store the location + * (object number) of another dmu object (which may be itself a zapobj). + * Note that you can use a zero-length attribute to store a single bit + * of information - the attribute is present or not. + * + * The ZAP routines are thread-safe. However, you must observe the + * DMU's restriction that a transaction may not be operated on + * concurrently. + * + * Any of the routines that return an int may return an I/O error (EIO + * or ECHECKSUM). + * + * + * Implementation / Performance Notes: + * + * The ZAP is intended to operate most efficiently on attributes with + * short (49 bytes or less) names and single 8-byte values, for which + * the microzap will be used. The ZAP should be efficient enough so + * that the user does not need to cache these attributes. + * + * The ZAP's locking scheme makes its routines thread-safe. Operations + * on different zapobjs will be processed concurrently. Operations on + * the same zapobj which only read data will be processed concurrently. + * Operations on the same zapobj which modify data will be processed + * concurrently when there are many attributes in the zapobj (because + * the ZAP uses per-block locking - more than 128 * (number of cpus) + * small attributes will suffice). + */ + +/* + * We're using zero-terminated byte strings (ie. ASCII or UTF-8 C + * strings) for the names of attributes, rather than a byte string + * bounded by an explicit length. If some day we want to support names + * in character sets which have embedded zeros (eg. UTF-16, UTF-32), + * we'll have to add routines for using length-bounded strings. + */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Specifies matching criteria for ZAP lookups. + */ +typedef enum matchtype +{ + /* Only find an exact match (non-normalized) */ + MT_EXACT, + /* + * If there is an exact match, find that, otherwise find the + * first normalized match. + */ + MT_BEST, + /* + * Find the "first" normalized (case and Unicode form) match; + * the designated "first" match will not change as long as the + * set of entries with this normalization doesn't change. + */ + MT_FIRST +} matchtype_t; + +typedef enum zap_flags { + /* Use 64-bit hash value (serialized cursors will always use 64-bits) */ + ZAP_FLAG_HASH64 = 1 << 0, + /* Key is binary, not string (zap_add_uint64() can be used) */ + ZAP_FLAG_UINT64_KEY = 1 << 1, + /* + * First word of key (which must be an array of uint64) is + * already randomly distributed. + */ + ZAP_FLAG_PRE_HASHED_KEY = 1 << 2, +} zap_flags_t; + +/* + * Create a new zapobj with no attributes and return its object number. + * MT_EXACT will cause the zap object to only support MT_EXACT lookups, + * otherwise any matchtype can be used for lookups. + * + * normflags specifies what normalization will be done. values are: + * 0: no normalization (legacy on-disk format, supports MT_EXACT matching + * only) + * U8_TEXTPREP_TOLOWER: case normalization will be performed. + * MT_FIRST/MT_BEST matching will find entries that match without + * regard to case (eg. looking for "foo" can find an entry "Foo"). + * Eventually, other flags will permit unicode normalization as well. + */ +uint64_t zap_create(objset_t *ds, dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx); +uint64_t zap_create_norm(objset_t *ds, int normflags, dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx); +uint64_t zap_create_flags(objset_t *os, int normflags, zap_flags_t flags, + dmu_object_type_t ot, int leaf_blockshift, int indirect_blockshift, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx); +uint64_t zap_create_link(objset_t *os, dmu_object_type_t ot, + uint64_t parent_obj, const char *name, dmu_tx_t *tx); + +/* + * Initialize an already-allocated object. + */ +void mzap_create_impl(objset_t *os, uint64_t obj, int normflags, + zap_flags_t flags, dmu_tx_t *tx); + +/* + * Create a new zapobj with no attributes from the given (unallocated) + * object number. + */ +int zap_create_claim(objset_t *ds, uint64_t obj, dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx); +int zap_create_claim_norm(objset_t *ds, uint64_t obj, + int normflags, dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx); + +/* + * The zapobj passed in must be a valid ZAP object for all of the + * following routines. + */ + +/* + * Destroy this zapobj and all its attributes. + * + * Frees the object number using dmu_object_free. + */ +int zap_destroy(objset_t *ds, uint64_t zapobj, dmu_tx_t *tx); + +/* + * Manipulate attributes. + * + * 'integer_size' is in bytes, and must be 1, 2, 4, or 8. + */ + +/* + * Retrieve the contents of the attribute with the given name. + * + * If the requested attribute does not exist, the call will fail and + * return ENOENT. + * + * If 'integer_size' is smaller than the attribute's integer size, the + * call will fail and return EINVAL. + * + * If 'integer_size' is equal to or larger than the attribute's integer + * size, the call will succeed and return 0. + * + * When converting to a larger integer size, the integers will be treated as + * unsigned (ie. no sign-extension will be performed). + * + * 'num_integers' is the length (in integers) of 'buf'. + * + * If the attribute is longer than the buffer, as many integers as will + * fit will be transferred to 'buf'. If the entire attribute was not + * transferred, the call will return EOVERFLOW. + */ +int zap_lookup(objset_t *ds, uint64_t zapobj, const char *name, + uint64_t integer_size, uint64_t num_integers, void *buf); + +/* + * If rn_len is nonzero, realname will be set to the name of the found + * entry (which may be different from the requested name if matchtype is + * not MT_EXACT). + * + * If normalization_conflictp is not NULL, it will be set if there is + * another name with the same case/unicode normalized form. + */ +int zap_lookup_norm(objset_t *ds, uint64_t zapobj, const char *name, + uint64_t integer_size, uint64_t num_integers, void *buf, + matchtype_t mt, char *realname, int rn_len, + boolean_t *normalization_conflictp); +int zap_lookup_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, uint64_t integer_size, uint64_t num_integers, void *buf); +int zap_contains(objset_t *ds, uint64_t zapobj, const char *name); +int zap_prefetch(objset_t *os, uint64_t zapobj, const char *name); +int zap_prefetch_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints); + +int zap_count_write(objset_t *os, uint64_t zapobj, const char *name, + int add, uint64_t *towrite, uint64_t *tooverwrite); + +/* + * Create an attribute with the given name and value. + * + * If an attribute with the given name already exists, the call will + * fail and return EEXIST. + */ +int zap_add(objset_t *ds, uint64_t zapobj, const char *key, + int integer_size, uint64_t num_integers, + const void *val, dmu_tx_t *tx); +int zap_add_uint64(objset_t *ds, uint64_t zapobj, const uint64_t *key, + int key_numints, int integer_size, uint64_t num_integers, + const void *val, dmu_tx_t *tx); + +/* + * Set the attribute with the given name to the given value. If an + * attribute with the given name does not exist, it will be created. If + * an attribute with the given name already exists, the previous value + * will be overwritten. The integer_size may be different from the + * existing attribute's integer size, in which case the attribute's + * integer size will be updated to the new value. + */ +int zap_update(objset_t *ds, uint64_t zapobj, const char *name, + int integer_size, uint64_t num_integers, const void *val, dmu_tx_t *tx); +int zap_update_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, + int integer_size, uint64_t num_integers, const void *val, dmu_tx_t *tx); + +/* + * Get the length (in integers) and the integer size of the specified + * attribute. + * + * If the requested attribute does not exist, the call will fail and + * return ENOENT. + */ +int zap_length(objset_t *ds, uint64_t zapobj, const char *name, + uint64_t *integer_size, uint64_t *num_integers); +int zap_length_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, uint64_t *integer_size, uint64_t *num_integers); + +/* + * Remove the specified attribute. + * + * If the specified attribute does not exist, the call will fail and + * return ENOENT. + */ +int zap_remove(objset_t *ds, uint64_t zapobj, const char *name, dmu_tx_t *tx); +int zap_remove_norm(objset_t *ds, uint64_t zapobj, const char *name, + matchtype_t mt, dmu_tx_t *tx); +int zap_remove_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, dmu_tx_t *tx); + +/* + * Returns (in *count) the number of attributes in the specified zap + * object. + */ +int zap_count(objset_t *ds, uint64_t zapobj, uint64_t *count); + +/* + * Returns (in name) the name of the entry whose (value & mask) + * (za_first_integer) is value, or ENOENT if not found. The string + * pointed to by name must be at least 256 bytes long. If mask==0, the + * match must be exact (ie, same as mask=-1ULL). + */ +int zap_value_search(objset_t *os, uint64_t zapobj, + uint64_t value, uint64_t mask, char *name); + +/* + * Transfer all the entries from fromobj into intoobj. Only works on + * int_size=8 num_integers=1 values. Fails if there are any duplicated + * entries. + */ +int zap_join(objset_t *os, uint64_t fromobj, uint64_t intoobj, dmu_tx_t *tx); + +/* Same as zap_join, but set the values to 'value'. */ +int zap_join_key(objset_t *os, uint64_t fromobj, uint64_t intoobj, + uint64_t value, dmu_tx_t *tx); + +/* Same as zap_join, but add together any duplicated entries. */ +int zap_join_increment(objset_t *os, uint64_t fromobj, uint64_t intoobj, + dmu_tx_t *tx); + +/* + * Manipulate entries where the name + value are the "same" (the name is + * a stringified version of the value). + */ +int zap_add_int(objset_t *os, uint64_t obj, uint64_t value, dmu_tx_t *tx); +int zap_remove_int(objset_t *os, uint64_t obj, uint64_t value, dmu_tx_t *tx); +int zap_lookup_int(objset_t *os, uint64_t obj, uint64_t value); +int zap_increment_int(objset_t *os, uint64_t obj, uint64_t key, int64_t delta, + dmu_tx_t *tx); + +/* Here the key is an int and the value is a different int. */ +int zap_add_int_key(objset_t *os, uint64_t obj, + uint64_t key, uint64_t value, dmu_tx_t *tx); +int zap_update_int_key(objset_t *os, uint64_t obj, + uint64_t key, uint64_t value, dmu_tx_t *tx); +int zap_lookup_int_key(objset_t *os, uint64_t obj, + uint64_t key, uint64_t *valuep); + +int zap_increment(objset_t *os, uint64_t obj, const char *name, int64_t delta, + dmu_tx_t *tx); + +struct zap; +struct zap_leaf; +typedef struct zap_cursor { + /* This structure is opaque! */ + objset_t *zc_objset; + struct zap *zc_zap; + struct zap_leaf *zc_leaf; + uint64_t zc_zapobj; + uint64_t zc_serialized; + uint64_t zc_hash; + uint32_t zc_cd; +} zap_cursor_t; + +typedef struct { + int za_integer_length; + /* + * za_normalization_conflict will be set if there are additional + * entries with this normalized form (eg, "foo" and "Foo"). + */ + boolean_t za_normalization_conflict; + uint64_t za_num_integers; + uint64_t za_first_integer; /* no sign extension for <8byte ints */ + char za_name[MAXNAMELEN]; +} zap_attribute_t; + +/* + * The interface for listing all the attributes of a zapobj can be + * thought of as cursor moving down a list of the attributes one by + * one. The cookie returned by the zap_cursor_serialize routine is + * persistent across system calls (and across reboot, even). + */ + +/* + * Initialize a zap cursor, pointing to the "first" attribute of the + * zapobj. You must _fini the cursor when you are done with it. + */ +void zap_cursor_init(zap_cursor_t *zc, objset_t *ds, uint64_t zapobj); +void zap_cursor_fini(zap_cursor_t *zc); + +/* + * Get the attribute currently pointed to by the cursor. Returns + * ENOENT if at the end of the attributes. + */ +int zap_cursor_retrieve(zap_cursor_t *zc, zap_attribute_t *za); + +/* + * Advance the cursor to the next attribute. + */ +void zap_cursor_advance(zap_cursor_t *zc); + +/* + * Get a persistent cookie pointing to the current position of the zap + * cursor. The low 4 bits in the cookie are always zero, and thus can + * be used as to differentiate a serialized cookie from a different type + * of value. The cookie will be less than 2^32 as long as there are + * fewer than 2^22 (4.2 million) entries in the zap object. + */ +uint64_t zap_cursor_serialize(zap_cursor_t *zc); + +/* + * Initialize a zap cursor pointing to the position recorded by + * zap_cursor_serialize (in the "serialized" argument). You can also + * use a "serialized" argument of 0 to start at the beginning of the + * zapobj (ie. zap_cursor_init_serialized(..., 0) is equivalent to + * zap_cursor_init(...).) + */ +void zap_cursor_init_serialized(zap_cursor_t *zc, objset_t *ds, + uint64_t zapobj, uint64_t serialized); + + +#define ZAP_HISTOGRAM_SIZE 10 + +typedef struct zap_stats { + /* + * Size of the pointer table (in number of entries). + * This is always a power of 2, or zero if it's a microzap. + * In general, it should be considerably greater than zs_num_leafs. + */ + uint64_t zs_ptrtbl_len; + + uint64_t zs_blocksize; /* size of zap blocks */ + + /* + * The number of blocks used. Note that some blocks may be + * wasted because old ptrtbl's and large name/value blocks are + * not reused. (Although their space is reclaimed, we don't + * reuse those offsets in the object.) + */ + uint64_t zs_num_blocks; + + /* + * Pointer table values from zap_ptrtbl in the zap_phys_t + */ + uint64_t zs_ptrtbl_nextblk; /* next (larger) copy start block */ + uint64_t zs_ptrtbl_blks_copied; /* number source blocks copied */ + uint64_t zs_ptrtbl_zt_blk; /* starting block number */ + uint64_t zs_ptrtbl_zt_numblks; /* number of blocks */ + uint64_t zs_ptrtbl_zt_shift; /* bits to index it */ + + /* + * Values of the other members of the zap_phys_t + */ + uint64_t zs_block_type; /* ZBT_HEADER */ + uint64_t zs_magic; /* ZAP_MAGIC */ + uint64_t zs_num_leafs; /* The number of leaf blocks */ + uint64_t zs_num_entries; /* The number of zap entries */ + uint64_t zs_salt; /* salt to stir into hash function */ + + /* + * Histograms. For all histograms, the last index + * (ZAP_HISTOGRAM_SIZE-1) includes any values which are greater + * than what can be represented. For example + * zs_leafs_with_n5_entries[ZAP_HISTOGRAM_SIZE-1] is the number + * of leafs with more than 45 entries. + */ + + /* + * zs_leafs_with_n_pointers[n] is the number of leafs with + * 2^n pointers to it. + */ + uint64_t zs_leafs_with_2n_pointers[ZAP_HISTOGRAM_SIZE]; + + /* + * zs_leafs_with_n_entries[n] is the number of leafs with + * [n*5, (n+1)*5) entries. In the current implementation, there + * can be at most 55 entries in any block, but there may be + * fewer if the name or value is large, or the block is not + * completely full. + */ + uint64_t zs_blocks_with_n5_entries[ZAP_HISTOGRAM_SIZE]; + + /* + * zs_leafs_n_tenths_full[n] is the number of leafs whose + * fullness is in the range [n/10, (n+1)/10). + */ + uint64_t zs_blocks_n_tenths_full[ZAP_HISTOGRAM_SIZE]; + + /* + * zs_entries_using_n_chunks[n] is the number of entries which + * consume n 24-byte chunks. (Note, large names/values only use + * one chunk, but contribute to zs_num_blocks_large.) + */ + uint64_t zs_entries_using_n_chunks[ZAP_HISTOGRAM_SIZE]; + + /* + * zs_buckets_with_n_entries[n] is the number of buckets (each + * leaf has 64 buckets) with n entries. + * zs_buckets_with_n_entries[1] should be very close to + * zs_num_entries. + */ + uint64_t zs_buckets_with_n_entries[ZAP_HISTOGRAM_SIZE]; +} zap_stats_t; + +/* + * Get statistics about a ZAP object. Note: you need to be aware of the + * internal implementation of the ZAP to correctly interpret some of the + * statistics. This interface shouldn't be relied on unless you really + * know what you're doing. + */ +int zap_get_stats(objset_t *ds, uint64_t zapobj, zap_stats_t *zs); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZAP_H */ diff --git a/zfs/include/sys/zap_impl.h b/zfs/include/sys/zap_impl.h new file mode 100644 index 000000000000..bfd43e31da80 --- /dev/null +++ b/zfs/include/sys/zap_impl.h @@ -0,0 +1,237 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_ZAP_IMPL_H +#define _SYS_ZAP_IMPL_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern int fzap_default_block_shift; + +#define ZAP_MAGIC 0x2F52AB2ABULL + +#define FZAP_BLOCK_SHIFT(zap) ((zap)->zap_f.zap_block_shift) + +#define MZAP_ENT_LEN 64 +#define MZAP_NAME_LEN (MZAP_ENT_LEN - 8 - 4 - 2) +#define MZAP_MAX_BLKSZ SPA_OLD_MAXBLOCKSIZE + +#define ZAP_NEED_CD (-1U) + +typedef struct mzap_ent_phys { + uint64_t mze_value; + uint32_t mze_cd; + uint16_t mze_pad; /* in case we want to chain them someday */ + char mze_name[MZAP_NAME_LEN]; +} mzap_ent_phys_t; + +typedef struct mzap_phys { + uint64_t mz_block_type; /* ZBT_MICRO */ + uint64_t mz_salt; + uint64_t mz_normflags; + uint64_t mz_pad[5]; + mzap_ent_phys_t mz_chunk[1]; + /* actually variable size depending on block size */ +} mzap_phys_t; + +typedef struct mzap_ent { + avl_node_t mze_node; + int mze_chunkid; + uint64_t mze_hash; + uint32_t mze_cd; /* copy from mze_phys->mze_cd */ +} mzap_ent_t; + +#define MZE_PHYS(zap, mze) \ + (&zap_m_phys(zap)->mz_chunk[(mze)->mze_chunkid]) + +/* + * The (fat) zap is stored in one object. It is an array of + * 1<= 6] [zap_leaf_t] [ptrtbl] ... + * + */ + +struct dmu_buf; +struct zap_leaf; + +#define ZBT_LEAF ((1ULL << 63) + 0) +#define ZBT_HEADER ((1ULL << 63) + 1) +#define ZBT_MICRO ((1ULL << 63) + 3) +/* any other values are ptrtbl blocks */ + +/* + * the embedded pointer table takes up half a block: + * block size / entry size (2^3) / 2 + */ +#define ZAP_EMBEDDED_PTRTBL_SHIFT(zap) (FZAP_BLOCK_SHIFT(zap) - 3 - 1) + +/* + * The embedded pointer table starts half-way through the block. Since + * the pointer table itself is half the block, it starts at (64-bit) + * word number (1<zap_dbuf->db_data); +} + +static inline mzap_phys_t * +zap_m_phys(zap_t *zap) +{ + return (zap->zap_dbuf->db_data); +} + +typedef struct zap_name { + zap_t *zn_zap; + int zn_key_intlen; + const void *zn_key_orig; + int zn_key_orig_numints; + const void *zn_key_norm; + int zn_key_norm_numints; + uint64_t zn_hash; + matchtype_t zn_matchtype; + char zn_normbuf[ZAP_MAXNAMELEN]; +} zap_name_t; + +#define zap_f zap_u.zap_fat +#define zap_m zap_u.zap_micro + +boolean_t zap_match(zap_name_t *zn, const char *matchname); +int zap_lockdir(objset_t *os, uint64_t obj, dmu_tx_t *tx, + krw_t lti, boolean_t fatreader, boolean_t adding, zap_t **zapp); +void zap_unlockdir(zap_t *zap); +void zap_evict(void *dbu); +zap_name_t *zap_name_alloc(zap_t *zap, const char *key, matchtype_t mt); +void zap_name_free(zap_name_t *zn); +int zap_hashbits(zap_t *zap); +uint32_t zap_maxcd(zap_t *zap); +uint64_t zap_getflags(zap_t *zap); + +#define ZAP_HASH_IDX(hash, n) (((n) == 0) ? 0 : ((hash) >> (64 - (n)))) + +void fzap_byteswap(void *buf, size_t size); +int fzap_count(zap_t *zap, uint64_t *count); +int fzap_lookup(zap_name_t *zn, + uint64_t integer_size, uint64_t num_integers, void *buf, + char *realname, int rn_len, boolean_t *normalization_conflictp); +void fzap_prefetch(zap_name_t *zn); +int fzap_count_write(zap_name_t *zn, int add, uint64_t *towrite, + uint64_t *tooverwrite); +int fzap_add(zap_name_t *zn, uint64_t integer_size, uint64_t num_integers, + const void *val, dmu_tx_t *tx); +int fzap_update(zap_name_t *zn, + int integer_size, uint64_t num_integers, const void *val, dmu_tx_t *tx); +int fzap_length(zap_name_t *zn, + uint64_t *integer_size, uint64_t *num_integers); +int fzap_remove(zap_name_t *zn, dmu_tx_t *tx); +int fzap_cursor_retrieve(zap_t *zap, zap_cursor_t *zc, zap_attribute_t *za); +void fzap_get_stats(zap_t *zap, zap_stats_t *zs); +void zap_put_leaf(struct zap_leaf *l); + +int fzap_add_cd(zap_name_t *zn, + uint64_t integer_size, uint64_t num_integers, + const void *val, uint32_t cd, dmu_tx_t *tx); +void fzap_upgrade(zap_t *zap, dmu_tx_t *tx, zap_flags_t flags); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZAP_IMPL_H */ diff --git a/zfs/include/sys/zap_leaf.h b/zfs/include/sys/zap_leaf.h new file mode 100644 index 000000000000..e784c5963b2e --- /dev/null +++ b/zfs/include/sys/zap_leaf.h @@ -0,0 +1,248 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#ifndef _SYS_ZAP_LEAF_H +#define _SYS_ZAP_LEAF_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct zap; +struct zap_name; +struct zap_stats; + +#define ZAP_LEAF_MAGIC 0x2AB1EAF + +/* chunk size = 24 bytes */ +#define ZAP_LEAF_CHUNKSIZE 24 + +/* + * The amount of space available for chunks is: + * block size (1<l_bs) - hash entry size (2) * number of hash + * entries - header space (2*chunksize) + */ +#define ZAP_LEAF_NUMCHUNKS(l) \ + (((1<<(l)->l_bs) - 2*ZAP_LEAF_HASH_NUMENTRIES(l)) / \ + ZAP_LEAF_CHUNKSIZE - 2) + +/* + * The amount of space within the chunk available for the array is: + * chunk size - space for type (1) - space for next pointer (2) + */ +#define ZAP_LEAF_ARRAY_BYTES (ZAP_LEAF_CHUNKSIZE - 3) + +#define ZAP_LEAF_ARRAY_NCHUNKS(bytes) \ + (((bytes)+ZAP_LEAF_ARRAY_BYTES-1)/ZAP_LEAF_ARRAY_BYTES) + +/* + * Low water mark: when there are only this many chunks free, start + * growing the ptrtbl. Ideally, this should be larger than a + * "reasonably-sized" entry. 20 chunks is more than enough for the + * largest directory entry (MAXNAMELEN (256) byte name, 8-byte value), + * while still being only around 3% for 16k blocks. + */ +#define ZAP_LEAF_LOW_WATER (20) + +/* + * The leaf hash table has block size / 2^5 (32) number of entries, + * which should be more than enough for the maximum number of entries, + * which is less than block size / CHUNKSIZE (24) / minimum number of + * chunks per entry (3). + */ +#define ZAP_LEAF_HASH_SHIFT(l) ((l)->l_bs - 5) +#define ZAP_LEAF_HASH_NUMENTRIES(l) (1 << ZAP_LEAF_HASH_SHIFT(l)) + +/* + * The chunks start immediately after the hash table. The end of the + * hash table is at l_hash + HASH_NUMENTRIES, which we simply cast to a + * chunk_t. + */ +#define ZAP_LEAF_CHUNK(l, idx) \ + ((zap_leaf_chunk_t *) \ + (zap_leaf_phys(l)->l_hash + ZAP_LEAF_HASH_NUMENTRIES(l)))[idx] +#define ZAP_LEAF_ENTRY(l, idx) (&ZAP_LEAF_CHUNK(l, idx).l_entry) + +typedef enum zap_chunk_type { + ZAP_CHUNK_FREE = 253, + ZAP_CHUNK_ENTRY = 252, + ZAP_CHUNK_ARRAY = 251, + ZAP_CHUNK_TYPE_MAX = 250 +} zap_chunk_type_t; + +#define ZLF_ENTRIES_CDSORTED (1<<0) + +/* + * TAKE NOTE: + * If zap_leaf_phys_t is modified, zap_leaf_byteswap() must be modified. + */ +typedef struct zap_leaf_phys { + struct zap_leaf_header { + /* Public to ZAP */ + uint64_t lh_block_type; /* ZBT_LEAF */ + uint64_t lh_pad1; + uint64_t lh_prefix; /* hash prefix of this leaf */ + uint32_t lh_magic; /* ZAP_LEAF_MAGIC */ + uint16_t lh_nfree; /* number free chunks */ + uint16_t lh_nentries; /* number of entries */ + uint16_t lh_prefix_len; /* num bits used to id this */ + + /* Private to zap_leaf */ + uint16_t lh_freelist; /* chunk head of free list */ + uint8_t lh_flags; /* ZLF_* flags */ + uint8_t lh_pad2[11]; + } l_hdr; /* 2 24-byte chunks */ + + /* + * The header is followed by a hash table with + * ZAP_LEAF_HASH_NUMENTRIES(zap) entries. The hash table is + * followed by an array of ZAP_LEAF_NUMCHUNKS(zap) + * zap_leaf_chunk structures. These structures are accessed + * with the ZAP_LEAF_CHUNK() macro. + */ + + uint16_t l_hash[1]; +} zap_leaf_phys_t; + +typedef union zap_leaf_chunk { + struct zap_leaf_entry { + uint8_t le_type; /* always ZAP_CHUNK_ENTRY */ + uint8_t le_value_intlen; /* size of value's ints */ + uint16_t le_next; /* next entry in hash chain */ + uint16_t le_name_chunk; /* first chunk of the name */ + uint16_t le_name_numints; /* ints in name (incl null) */ + uint16_t le_value_chunk; /* first chunk of the value */ + uint16_t le_value_numints; /* value length in ints */ + uint32_t le_cd; /* collision differentiator */ + uint64_t le_hash; /* hash value of the name */ + } l_entry; + struct zap_leaf_array { + uint8_t la_type; /* always ZAP_CHUNK_ARRAY */ + uint8_t la_array[ZAP_LEAF_ARRAY_BYTES]; + uint16_t la_next; /* next blk or CHAIN_END */ + } l_array; + struct zap_leaf_free { + uint8_t lf_type; /* always ZAP_CHUNK_FREE */ + uint8_t lf_pad[ZAP_LEAF_ARRAY_BYTES]; + uint16_t lf_next; /* next in free list, or CHAIN_END */ + } l_free; +} zap_leaf_chunk_t; + +typedef struct zap_leaf { + dmu_buf_user_t l_dbu; + krwlock_t l_rwlock; + uint64_t l_blkid; /* 1<l_dbuf->db_data); +} + +typedef struct zap_entry_handle { + /* Set by zap_leaf and public to ZAP */ + uint64_t zeh_num_integers; + uint64_t zeh_hash; + uint32_t zeh_cd; + uint8_t zeh_integer_size; + + /* Private to zap_leaf */ + uint16_t zeh_fakechunk; + uint16_t *zeh_chunkp; + zap_leaf_t *zeh_leaf; +} zap_entry_handle_t; + +/* + * Return a handle to the named entry, or ENOENT if not found. The hash + * value must equal zap_hash(name). + */ +extern int zap_leaf_lookup(zap_leaf_t *l, + struct zap_name *zn, zap_entry_handle_t *zeh); + +/* + * Return a handle to the entry with this hash+cd, or the entry with the + * next closest hash+cd. + */ +extern int zap_leaf_lookup_closest(zap_leaf_t *l, + uint64_t hash, uint32_t cd, zap_entry_handle_t *zeh); + +/* + * Read the first num_integers in the attribute. Integer size + * conversion will be done without sign extension. Return EINVAL if + * integer_size is too small. Return EOVERFLOW if there are more than + * num_integers in the attribute. + */ +extern int zap_entry_read(const zap_entry_handle_t *zeh, + uint8_t integer_size, uint64_t num_integers, void *buf); + +extern int zap_entry_read_name(struct zap *zap, const zap_entry_handle_t *zeh, + uint16_t buflen, char *buf); + +/* + * Replace the value of an existing entry. + * + * May fail if it runs out of space (ENOSPC). + */ +extern int zap_entry_update(zap_entry_handle_t *zeh, + uint8_t integer_size, uint64_t num_integers, const void *buf); + +/* + * Remove an entry. + */ +extern void zap_entry_remove(zap_entry_handle_t *zeh); + +/* + * Create an entry. An equal entry must not exist, and this entry must + * belong in this leaf (according to its hash value). Fills in the + * entry handle on success. Returns 0 on success or ENOSPC on failure. + */ +extern int zap_entry_create(zap_leaf_t *l, struct zap_name *zn, uint32_t cd, + uint8_t integer_size, uint64_t num_integers, const void *buf, + zap_entry_handle_t *zeh); + +/* Determine whether there is another entry with the same normalized form. */ +extern boolean_t zap_entry_normalization_conflict(zap_entry_handle_t *zeh, + struct zap_name *zn, const char *name, struct zap *zap); + +/* + * Other stuff. + */ + +extern void zap_leaf_init(zap_leaf_t *l, boolean_t sort); +extern void zap_leaf_byteswap(zap_leaf_phys_t *buf, int len); +extern void zap_leaf_split(zap_leaf_t *l, zap_leaf_t *nl, boolean_t sort); +extern void zap_leaf_stats(struct zap *zap, zap_leaf_t *l, + struct zap_stats *zs); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZAP_LEAF_H */ diff --git a/zfs/include/sys/zfeature.h b/zfs/include/sys/zfeature.h new file mode 100644 index 000000000000..5abde149a615 --- /dev/null +++ b/zfs/include/sys/zfeature.h @@ -0,0 +1,73 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_ZFEATURE_H +#define _SYS_ZFEATURE_H + +#include +#include +#include "zfeature_common.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define VALID_FEATURE_FID(fid) ((fid) >= 0 && (fid) < SPA_FEATURES) +#define VALID_FEATURE_OR_NONE(fid) ((fid) == SPA_FEATURE_NONE || \ + VALID_FEATURE_FID(fid)) + +struct spa; +struct dmu_tx; +struct objset; + +extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *); +extern void spa_feature_enable(struct spa *, spa_feature_t, + struct dmu_tx *); +extern void spa_feature_incr(struct spa *, spa_feature_t, struct dmu_tx *); +extern void spa_feature_decr(struct spa *, spa_feature_t, struct dmu_tx *); +extern boolean_t spa_feature_is_enabled(struct spa *, spa_feature_t); +extern boolean_t spa_feature_is_active(struct spa *, spa_feature_t); +extern boolean_t spa_feature_enabled_txg(spa_t *spa, spa_feature_t fid, + uint64_t *txg); +extern uint64_t spa_feature_refcount(spa_t *, spa_feature_t, uint64_t); +extern boolean_t spa_features_check(spa_t *, boolean_t, nvlist_t *, nvlist_t *); + +/* + * These functions are only exported for zhack and zdb; normal callers should + * use the above interfaces. + */ +extern int feature_get_refcount(struct spa *, zfeature_info_t *, uint64_t *); +extern int feature_get_refcount_from_disk(spa_t *spa, zfeature_info_t *feature, + uint64_t *res); +extern void feature_enable_sync(struct spa *, zfeature_info_t *, + struct dmu_tx *); +extern void feature_sync(struct spa *, zfeature_info_t *, uint64_t, + struct dmu_tx *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZFEATURE_H */ diff --git a/zfs/include/sys/zfs_acl.h b/zfs/include/sys/zfs_acl.h new file mode 100644 index 000000000000..2c51f096e538 --- /dev/null +++ b/zfs/include/sys/zfs_acl.h @@ -0,0 +1,247 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_FS_ZFS_ACL_H +#define _SYS_FS_ZFS_ACL_H + +#ifdef _KERNEL +#include +#include +#include +#endif +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct znode_phys; + +#define ACE_SLOT_CNT 6 +#define ZFS_ACL_VERSION_INITIAL 0ULL +#define ZFS_ACL_VERSION_FUID 1ULL +#define ZFS_ACL_VERSION ZFS_ACL_VERSION_FUID + +/* + * ZFS ACLs (Access Control Lists) are stored in various forms. + * + * Files created with ACL version ZFS_ACL_VERSION_INITIAL + * will all be created with fixed length ACEs of type + * zfs_oldace_t. + * + * Files with ACL version ZFS_ACL_VERSION_FUID will be created + * with various sized ACEs. The abstraction entries will utilize + * zfs_ace_hdr_t, normal user/group entries will use zfs_ace_t + * and some specialized CIFS ACEs will use zfs_object_ace_t. + */ + +/* + * All ACEs have a common hdr. For + * owner@, group@, and everyone@ this is all + * thats needed. + */ +typedef struct zfs_ace_hdr { + uint16_t z_type; + uint16_t z_flags; + uint32_t z_access_mask; +} zfs_ace_hdr_t; + +typedef zfs_ace_hdr_t zfs_ace_abstract_t; + +/* + * Standard ACE + */ +typedef struct zfs_ace { + zfs_ace_hdr_t z_hdr; + uint64_t z_fuid; +} zfs_ace_t; + +/* + * The following type only applies to ACE_ACCESS_ALLOWED|DENIED_OBJECT_ACE_TYPE + * and will only be set/retrieved in a CIFS context. + */ + +typedef struct zfs_object_ace { + zfs_ace_t z_ace; + uint8_t z_object_type[16]; /* object type */ + uint8_t z_inherit_type[16]; /* inherited object type */ +} zfs_object_ace_t; + +typedef struct zfs_oldace { + uint32_t z_fuid; /* "who" */ + uint32_t z_access_mask; /* access mask */ + uint16_t z_flags; /* flags, i.e inheritance */ + uint16_t z_type; /* type of entry allow/deny */ +} zfs_oldace_t; + +typedef struct zfs_acl_phys_v0 { + uint64_t z_acl_extern_obj; /* ext acl pieces */ + uint32_t z_acl_count; /* Number of ACEs */ + uint16_t z_acl_version; /* acl version */ + uint16_t z_acl_pad; /* pad */ + zfs_oldace_t z_ace_data[ACE_SLOT_CNT]; /* 6 standard ACEs */ +} zfs_acl_phys_v0_t; + +#define ZFS_ACE_SPACE (sizeof (zfs_oldace_t) * ACE_SLOT_CNT) + +/* + * Size of ACL count is always 2 bytes. + * Necessary to for dealing with both V0 ACL and V1 ACL layout + */ +#define ZFS_ACL_COUNT_SIZE (sizeof (uint16_t)) + +typedef struct zfs_acl_phys { + uint64_t z_acl_extern_obj; /* ext acl pieces */ + uint32_t z_acl_size; /* Number of bytes in ACL */ + uint16_t z_acl_version; /* acl version */ + uint16_t z_acl_count; /* ace count */ + uint8_t z_ace_data[ZFS_ACE_SPACE]; /* space for embedded ACEs */ +} zfs_acl_phys_t; + +typedef struct acl_ops { + uint32_t (*ace_mask_get) (void *acep); /* get access mask */ + void (*ace_mask_set) (void *acep, + uint32_t mask); /* set access mask */ + uint16_t (*ace_flags_get) (void *acep); /* get flags */ + void (*ace_flags_set) (void *acep, + uint16_t flags); /* set flags */ + uint16_t (*ace_type_get)(void *acep); /* get type */ + void (*ace_type_set)(void *acep, + uint16_t type); /* set type */ + uint64_t (*ace_who_get)(void *acep); /* get who/fuid */ + void (*ace_who_set)(void *acep, + uint64_t who); /* set who/fuid */ + size_t (*ace_size)(void *acep); /* how big is this ace */ + size_t (*ace_abstract_size)(void); /* sizeof abstract entry */ + int (*ace_mask_off)(void); /* off of access mask in ace */ + /* ptr to data if any */ + int (*ace_data)(void *acep, void **datap); +} acl_ops_t; + +/* + * A zfs_acl_t structure is composed of a list of zfs_acl_node_t's. + * Each node will have one or more ACEs associated with it. You will + * only have multiple nodes during a chmod operation. Normally only + * one node is required. + */ +typedef struct zfs_acl_node { + list_node_t z_next; /* Next chunk of ACEs */ + void *z_acldata; /* pointer into actual ACE(s) */ + void *z_allocdata; /* pointer to kmem allocated memory */ + size_t z_allocsize; /* Size of blob in bytes */ + size_t z_size; /* length of ACL data */ + uint64_t z_ace_count; /* number of ACEs in this acl node */ + int z_ace_idx; /* ace iterator positioned on */ +} zfs_acl_node_t; + +typedef struct zfs_acl { + uint64_t z_acl_count; /* Number of ACEs */ + size_t z_acl_bytes; /* Number of bytes in ACL */ + uint_t z_version; /* version of ACL */ + void *z_next_ace; /* pointer to next ACE */ + uint64_t z_hints; /* ACL hints (ZFS_INHERIT_ACE ...) */ + zfs_acl_node_t *z_curr_node; /* current node iterator is handling */ + list_t z_acl; /* chunks of ACE data */ + acl_ops_t *z_ops; /* ACL operations */ +} zfs_acl_t; + +typedef struct acl_locator_cb { + zfs_acl_t *cb_aclp; + zfs_acl_node_t *cb_acl_node; +} zfs_acl_locator_cb_t; + +#define ACL_DATA_ALLOCED 0x1 +#define ZFS_ACL_SIZE(aclcnt) (sizeof (ace_t) * (aclcnt)) + +struct zfs_fuid_info; + +typedef struct zfs_acl_ids { + uint64_t z_fuid; /* file owner fuid */ + uint64_t z_fgid; /* file group owner fuid */ + uint64_t z_mode; /* mode to set on create */ + zfs_acl_t *z_aclp; /* ACL to create with file */ + struct zfs_fuid_info *z_fuidp; /* for tracking fuids for log */ +} zfs_acl_ids_t; + +/* + * Property values for acl_mode and acl_inherit. + * + * acl_mode can take discard, noallow, groupmask and passthrough. + * whereas acl_inherit has secure instead of groupmask. + */ + +#define ZFS_ACL_DISCARD 0 +#define ZFS_ACL_NOALLOW 1 +#define ZFS_ACL_GROUPMASK 2 +#define ZFS_ACL_PASSTHROUGH 3 +#define ZFS_ACL_RESTRICTED 4 +#define ZFS_ACL_PASSTHROUGH_X 5 + +struct znode; +struct zfs_sb; + +#ifdef _KERNEL +int zfs_acl_ids_create(struct znode *, int, vattr_t *, + cred_t *, vsecattr_t *, zfs_acl_ids_t *); +void zfs_acl_ids_free(zfs_acl_ids_t *); +boolean_t zfs_acl_ids_overquota(struct zfs_sb *, zfs_acl_ids_t *); +int zfs_getacl(struct znode *, vsecattr_t *, boolean_t, cred_t *); +int zfs_setacl(struct znode *, vsecattr_t *, boolean_t, cred_t *); +void zfs_acl_rele(void *); +void zfs_oldace_byteswap(ace_t *, int); +void zfs_ace_byteswap(void *, size_t, boolean_t); +extern boolean_t zfs_has_access(struct znode *zp, cred_t *cr); +extern int zfs_zaccess(struct znode *, int, int, boolean_t, cred_t *); +int zfs_fastaccesschk_execute(struct znode *, cred_t *); +extern int zfs_zaccess_rwx(struct znode *, mode_t, int, cred_t *); +extern int zfs_zaccess_unix(struct znode *, mode_t, cred_t *); +extern int zfs_acl_access(struct znode *, int, cred_t *); +void zfs_acl_chmod_setattr(struct znode *, zfs_acl_t **, uint64_t); +int zfs_zaccess_delete(struct znode *, struct znode *, cred_t *); +int zfs_zaccess_rename(struct znode *, struct znode *, + struct znode *, struct znode *, cred_t *cr); +void zfs_acl_free(zfs_acl_t *); +int zfs_vsec_2_aclp(struct zfs_sb *, umode_t, vsecattr_t *, cred_t *, + struct zfs_fuid_info **, zfs_acl_t **); +int zfs_aclset_common(struct znode *, zfs_acl_t *, cred_t *, dmu_tx_t *); +uint64_t zfs_external_acl(struct znode *); +int zfs_znode_acl_version(struct znode *); +int zfs_acl_size(struct znode *, int *); +zfs_acl_t *zfs_acl_alloc(int); +zfs_acl_node_t *zfs_acl_node_alloc(size_t); +void zfs_acl_xform(struct znode *, zfs_acl_t *, cred_t *); +void zfs_acl_data_locator(void **, uint32_t *, uint32_t, boolean_t, void *); +uint64_t zfs_mode_compute(uint64_t, zfs_acl_t *, + uint64_t *, uint64_t, uint64_t); +int zfs_acl_chown_setattr(struct znode *); + +#endif + +#ifdef __cplusplus +} +#endif +#endif /* _SYS_FS_ZFS_ACL_H */ diff --git a/zfs/include/sys/zfs_context.h b/zfs/include/sys/zfs_context.h new file mode 100644 index 000000000000..4f7e3287f3da --- /dev/null +++ b/zfs/include/sys/zfs_context.h @@ -0,0 +1,753 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_ZFS_CONTEXT_H +#define _SYS_ZFS_CONTEXT_H + +#ifdef __KERNEL__ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#else /* _KERNEL */ + +#define _SYS_MUTEX_H +#define _SYS_RWLOCK_H +#define _SYS_CONDVAR_H +#define _SYS_SYSTM_H +#define _SYS_T_LOCK_H +#define _SYS_VNODE_H +#define _SYS_VFS_H +#define _SYS_SUNDDI_H +#define _SYS_CALLB_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Stack + */ + +#define noinline __attribute__((noinline)) + +/* + * Debugging + */ + +/* + * Note that we are not using the debugging levels. + */ + +#define CE_CONT 0 /* continuation */ +#define CE_NOTE 1 /* notice */ +#define CE_WARN 2 /* warning */ +#define CE_PANIC 3 /* panic */ +#define CE_IGNORE 4 /* print nothing */ + +/* + * ZFS debugging + */ + +extern void dprintf_setup(int *argc, char **argv); + +extern void cmn_err(int, const char *, ...); +extern void vcmn_err(int, const char *, va_list); +extern void panic(const char *, ...); +extern void vpanic(const char *, va_list); + +#define fm_panic panic + +extern int aok; + +/* + * DTrace SDT probes have different signatures in userland than they do in + * kernel. If they're being used in kernel code, re-define them out of + * existence for their counterparts in libzpool. + */ + +#ifdef DTRACE_PROBE +#undef DTRACE_PROBE +#endif /* DTRACE_PROBE */ +#define DTRACE_PROBE(a) \ + ZFS_PROBE0(#a) + +#ifdef DTRACE_PROBE1 +#undef DTRACE_PROBE1 +#endif /* DTRACE_PROBE1 */ +#define DTRACE_PROBE1(a, b, c) \ + ZFS_PROBE1(#a, (unsigned long)c) + +#ifdef DTRACE_PROBE2 +#undef DTRACE_PROBE2 +#endif /* DTRACE_PROBE2 */ +#define DTRACE_PROBE2(a, b, c, d, e) \ + ZFS_PROBE2(#a, (unsigned long)c, (unsigned long)e) + +#ifdef DTRACE_PROBE3 +#undef DTRACE_PROBE3 +#endif /* DTRACE_PROBE3 */ +#define DTRACE_PROBE3(a, b, c, d, e, f, g) \ + ZFS_PROBE3(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g) + +#ifdef DTRACE_PROBE4 +#undef DTRACE_PROBE4 +#endif /* DTRACE_PROBE4 */ +#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) \ + ZFS_PROBE4(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g, \ + (unsigned long)i) + +/* + * We use the comma operator so that this macro can be used without much + * additional code. For example, "return (EINVAL);" becomes + * "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated + * twice, so it should not have side effects (e.g. something like: + * "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice). + */ +#define SET_ERROR(err) (ZFS_SET_ERROR(err), err) + +/* + * Threads. TS_STACK_MIN is dictated by the minimum allowed pthread stack + * size. While TS_STACK_MAX is somewhat arbitrary, it was selected to be + * large enough for the expected stack depth while small enough to avoid + * exhausting address space with high thread counts. + */ +#define TS_MAGIC 0x72f158ab4261e538ull +#define TS_RUN 0x00000002 +#define TS_STACK_MIN PTHREAD_STACK_MIN +#define TS_STACK_MAX (256 * 1024) + +/* in libzpool, p0 exists only to have its address taken */ +typedef struct proc { + uintptr_t this_is_never_used_dont_dereference_it; +} proc_t; + +extern struct proc p0; +#define curproc (&p0) + +typedef void (*thread_func_t)(void *); +typedef void (*thread_func_arg_t)(void *); +typedef pthread_t kt_did_t; + +#define kpreempt(x) ((void)0) + +typedef struct kthread { + kt_did_t t_tid; + thread_func_t t_func; + void * t_arg; + pri_t t_pri; +} kthread_t; + +#define curthread zk_thread_current() +#define getcomm() "unknown" +#define thread_exit zk_thread_exit +#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ + zk_thread_create(stk, stksize, (thread_func_t)func, arg, \ + len, NULL, state, pri, PTHREAD_CREATE_DETACHED) +#define thread_join(t) zk_thread_join(t) +#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS) + +extern kthread_t *zk_thread_current(void); +extern void zk_thread_exit(void); +extern kthread_t *zk_thread_create(caddr_t stk, size_t stksize, + thread_func_t func, void *arg, size_t len, + proc_t *pp, int state, pri_t pri, int detachstate); +extern void zk_thread_join(kt_did_t tid); + +#define kpreempt_disable() ((void)0) +#define kpreempt_enable() ((void)0) + +#define PS_NONE -1 + +#define issig(why) (FALSE) +#define ISSIG(thr, why) (FALSE) + +/* + * Mutexes + */ +#define MTX_MAGIC 0x9522f51362a6e326ull +#define MTX_INIT ((void *)NULL) +#define MTX_DEST ((void *)-1UL) + +typedef struct kmutex { + void *m_owner; + uint64_t m_magic; + pthread_mutex_t m_lock; +} kmutex_t; + +#define MUTEX_DEFAULT 0 +#define MUTEX_HELD(m) ((m)->m_owner == curthread) +#define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m)) + +extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie); +extern void mutex_destroy(kmutex_t *mp); +extern void mutex_enter(kmutex_t *mp); +extern void mutex_exit(kmutex_t *mp); +extern int mutex_tryenter(kmutex_t *mp); +extern void *mutex_owner(kmutex_t *mp); +extern int mutex_held(kmutex_t *mp); + +/* + * RW locks + */ +#define RW_MAGIC 0x4d31fb123648e78aull +#define RW_INIT ((void *)NULL) +#define RW_DEST ((void *)-1UL) + +typedef struct krwlock { + void *rw_owner; + void *rw_wr_owner; + uint64_t rw_magic; + pthread_rwlock_t rw_lock; + uint_t rw_readers; +} krwlock_t; + +typedef int krw_t; + +#define RW_READER 0 +#define RW_WRITER 1 +#define RW_DEFAULT RW_READER + +#define RW_READ_HELD(x) ((x)->rw_readers > 0) +#define RW_WRITE_HELD(x) ((x)->rw_wr_owner == curthread) +#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x)) + +#undef RW_LOCK_HELD +#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x)) + +#undef RW_LOCK_HELD +#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x)) + +extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg); +extern void rw_destroy(krwlock_t *rwlp); +extern void rw_enter(krwlock_t *rwlp, krw_t rw); +extern int rw_tryenter(krwlock_t *rwlp, krw_t rw); +extern int rw_tryupgrade(krwlock_t *rwlp); +extern void rw_exit(krwlock_t *rwlp); +#define rw_downgrade(rwlp) do { } while (0) + +extern uid_t crgetuid(cred_t *cr); +extern uid_t crgetruid(cred_t *cr); +extern gid_t crgetgid(cred_t *cr); +extern int crgetngroups(cred_t *cr); +extern gid_t *crgetgroups(cred_t *cr); + +/* + * Condition variables + */ +#define CV_MAGIC 0xd31ea9a83b1b30c4ull + +typedef struct kcondvar { + uint64_t cv_magic; + pthread_cond_t cv; +} kcondvar_t; + +#define CV_DEFAULT 0 + +extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); +extern void cv_destroy(kcondvar_t *cv); +extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); +extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); +extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, + hrtime_t res, int flag); +extern void cv_signal(kcondvar_t *cv); +extern void cv_broadcast(kcondvar_t *cv); +#define cv_timedwait_sig(cv, mp, at) cv_timedwait(cv, mp, at) +#define cv_wait_sig(cv, mp) cv_wait(cv, mp) +#define cv_wait_io(cv, mp) cv_wait(cv, mp) + +/* + * Thread-specific data + */ +#define tsd_get(k) pthread_getspecific(k) +#define tsd_set(k, v) pthread_setspecific(k, v) +#define tsd_create(kp, d) pthread_key_create(kp, d) +#define tsd_destroy(kp) /* nothing */ + +/* + * Thread-specific data + */ +#define tsd_get(k) pthread_getspecific(k) +#define tsd_set(k, v) pthread_setspecific(k, v) +#define tsd_create(kp, d) pthread_key_create(kp, d) +#define tsd_destroy(kp) /* nothing */ + +/* + * kstat creation, installation and deletion + */ +extern kstat_t *kstat_create(const char *, int, + const char *, const char *, uchar_t, ulong_t, uchar_t); +extern void kstat_install(kstat_t *); +extern void kstat_delete(kstat_t *); +extern void kstat_waitq_enter(kstat_io_t *); +extern void kstat_waitq_exit(kstat_io_t *); +extern void kstat_runq_enter(kstat_io_t *); +extern void kstat_runq_exit(kstat_io_t *); +extern void kstat_waitq_to_runq(kstat_io_t *); +extern void kstat_runq_back_to_waitq(kstat_io_t *); +extern void kstat_set_raw_ops(kstat_t *ksp, + int (*headers)(char *buf, size_t size), + int (*data)(char *buf, size_t size, void *data), + void *(*addr)(kstat_t *ksp, loff_t index)); + +/* + * Kernel memory + */ +#define KM_SLEEP UMEM_NOFAIL +#define KM_PUSHPAGE KM_SLEEP +#define KM_NOSLEEP UMEM_DEFAULT +#define KMC_NODEBUG UMC_NODEBUG +#define KMC_KMEM 0x0 +#define KMC_VMEM 0x0 +#define kmem_alloc(_s, _f) umem_alloc(_s, _f) +#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f) +#define kmem_free(_b, _s) umem_free(_b, _s) +#define vmem_alloc(_s, _f) kmem_alloc(_s, _f) +#define vmem_zalloc(_s, _f) kmem_zalloc(_s, _f) +#define vmem_free(_b, _s) kmem_free(_b, _s) +#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \ + umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) +#define kmem_cache_destroy(_c) umem_cache_destroy(_c) +#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f) +#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b) +#define kmem_debugging() 0 +#define kmem_cache_reap_now(_c) umem_cache_reap_now(_c); +#define kmem_cache_set_move(_c, _cb) /* nothing */ +#define vmem_qcache_reap(_v) /* nothing */ +#define POINTER_INVALIDATE(_pp) /* nothing */ +#define POINTER_IS_VALID(_p) 0 + +extern vmem_t *zio_arena; + +typedef umem_cache_t kmem_cache_t; + +typedef enum kmem_cbrc { + KMEM_CBRC_YES, + KMEM_CBRC_NO, + KMEM_CBRC_LATER, + KMEM_CBRC_DONT_NEED, + KMEM_CBRC_DONT_KNOW +} kmem_cbrc_t; + +/* + * Task queues + */ +typedef struct taskq taskq_t; +typedef uintptr_t taskqid_t; +typedef void (task_func_t)(void *); + +typedef struct taskq_ent { + struct taskq_ent *tqent_next; + struct taskq_ent *tqent_prev; + task_func_t *tqent_func; + void *tqent_arg; + uintptr_t tqent_flags; +} taskq_ent_t; + +#define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */ + +#define TASKQ_PREPOPULATE 0x0001 +#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ +#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ +#define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */ +#define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */ + +#define TQ_SLEEP KM_SLEEP /* Can block for memory */ +#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */ +#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ +#define TQ_FRONT 0x08 /* Queue in front */ + +extern taskq_t *system_taskq; + +extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); +#define taskq_create_proc(a, b, c, d, e, p, f) \ + (taskq_create(a, b, c, d, e, f)) +#define taskq_create_sysdc(a, b, d, e, p, dc, f) \ + (taskq_create(a, b, maxclsyspri, d, e, f)) +extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); +extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *, uint_t, + clock_t); +extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t, + taskq_ent_t *); +extern int taskq_empty_ent(taskq_ent_t *); +extern void taskq_init_ent(taskq_ent_t *); +extern void taskq_destroy(taskq_t *); +extern void taskq_wait(taskq_t *); +extern void taskq_wait_id(taskq_t *, taskqid_t); +extern void taskq_wait_outstanding(taskq_t *, taskqid_t); +extern int taskq_member(taskq_t *, kthread_t *); +extern int taskq_cancel_id(taskq_t *, taskqid_t); +extern void system_taskq_init(void); +extern void system_taskq_fini(void); + +#define XVA_MAPSIZE 3 +#define XVA_MAGIC 0x78766174 + +/* + * vnodes + */ +typedef struct vnode { + uint64_t v_size; + int v_fd; + char *v_path; +} vnode_t; + +#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ + +typedef struct xoptattr { + timestruc_t xoa_createtime; /* Create time of file */ + uint8_t xoa_archive; + uint8_t xoa_system; + uint8_t xoa_readonly; + uint8_t xoa_hidden; + uint8_t xoa_nounlink; + uint8_t xoa_immutable; + uint8_t xoa_appendonly; + uint8_t xoa_nodump; + uint8_t xoa_settable; + uint8_t xoa_opaque; + uint8_t xoa_av_quarantined; + uint8_t xoa_av_modified; + uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; + uint8_t xoa_reparse; + uint8_t xoa_offline; + uint8_t xoa_sparse; +} xoptattr_t; + +typedef struct vattr { + uint_t va_mask; /* bit-mask of attributes */ + u_offset_t va_size; /* file size in bytes */ +} vattr_t; + + +typedef struct xvattr { + vattr_t xva_vattr; /* Embedded vattr structure */ + uint32_t xva_magic; /* Magic Number */ + uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ + uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ + uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ + uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ + xoptattr_t xva_xoptattrs; /* Optional attributes */ +} xvattr_t; + +typedef struct vsecattr { + uint_t vsa_mask; /* See below */ + int vsa_aclcnt; /* ACL entry count */ + void *vsa_aclentp; /* pointer to ACL entries */ + int vsa_dfaclcnt; /* default ACL entry count */ + void *vsa_dfaclentp; /* pointer to default ACL entries */ + size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ +} vsecattr_t; + +#define AT_TYPE 0x00001 +#define AT_MODE 0x00002 +#define AT_UID 0x00004 +#define AT_GID 0x00008 +#define AT_FSID 0x00010 +#define AT_NODEID 0x00020 +#define AT_NLINK 0x00040 +#define AT_SIZE 0x00080 +#define AT_ATIME 0x00100 +#define AT_MTIME 0x00200 +#define AT_CTIME 0x00400 +#define AT_RDEV 0x00800 +#define AT_BLKSIZE 0x01000 +#define AT_NBLOCKS 0x02000 +#define AT_SEQ 0x08000 +#define AT_XVATTR 0x10000 + +#define CRCREAT 0 + +extern int fop_getattr(vnode_t *vp, vattr_t *vap); + +#define VOP_CLOSE(vp, f, c, o, cr, ct) vn_close(vp) +#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0 +#define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap)); + +#define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd) + +#define VN_RELE(vp) vn_close(vp) + +extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp, + int x2, int x3); +extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp, + int x2, int x3, vnode_t *vp, int fd); +extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, + offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp); +extern void vn_close(vnode_t *vp); + +#define vn_remove(path, x1, x2) remove(path) +#define vn_rename(from, to, seg) rename((from), (to)) +#define vn_is_readonly(vp) B_FALSE + +extern vnode_t *rootdir; + +#include /* for FREAD, FWRITE, etc */ + +/* + * Random stuff + */ +#define ddi_get_lbolt() (gethrtime() >> 23) +#define ddi_get_lbolt64() (gethrtime() >> 23) +#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */ + +#define ddi_time_before(a, b) (a < b) +#define ddi_time_after(a, b) ddi_time_before(b, a) +#define ddi_time_before_eq(a, b) (!ddi_time_after(a, b)) +#define ddi_time_after_eq(a, b) ddi_time_before_eq(b, a) + +#define ddi_time_before64(a, b) (a < b) +#define ddi_time_after64(a, b) ddi_time_before64(b, a) +#define ddi_time_before_eq64(a, b) (!ddi_time_after64(a, b)) +#define ddi_time_after_eq64(a, b) ddi_time_before_eq64(b, a) + +extern void delay(clock_t ticks); + +#define SEC_TO_TICK(sec) ((sec) * hz) +#define MSEC_TO_TICK(msec) ((msec) / (MILLISEC / hz)) +#define USEC_TO_TICK(usec) ((usec) / (MICROSEC / hz)) +#define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz)) + +#define gethrestime_sec() time(NULL) +#define gethrestime(t) \ + do {\ + (t)->tv_sec = gethrestime_sec();\ + (t)->tv_nsec = 0;\ + } while (0); + +#define max_ncpus 64 +#define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN)) + +/* + * Process priorities as defined by setpriority(2) and getpriority(2). + */ +#define minclsyspri 19 +#define maxclsyspri -20 +#define defclsyspri 0 + +#define CPU_SEQID (pthread_self() & (max_ncpus - 1)) + +#define kcred NULL +#define CRED() NULL + +#define ptob(x) ((x) * PAGESIZE) + +extern uint64_t physmem; + +extern int highbit64(uint64_t i); +extern int random_get_bytes(uint8_t *ptr, size_t len); +extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len); + +extern void kernel_init(int); +extern void kernel_fini(void); + +struct spa; +extern void nicenum(uint64_t num, char *buf); +extern void show_pool_stats(struct spa *); + +typedef struct callb_cpr { + kmutex_t *cc_lockp; +} callb_cpr_t; + +#define CALLB_CPR_INIT(cp, lockp, func, name) { \ + (cp)->cc_lockp = lockp; \ +} + +#define CALLB_CPR_SAFE_BEGIN(cp) { \ + ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ +} + +#define CALLB_CPR_SAFE_END(cp, lockp) { \ + ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ +} + +#define CALLB_CPR_EXIT(cp) { \ + ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ + mutex_exit((cp)->cc_lockp); \ +} + +#define zone_dataset_visible(x, y) (1) +#define INGLOBALZONE(z) (1) + +extern char *kmem_vasprintf(const char *fmt, va_list adx); +extern char *kmem_asprintf(const char *fmt, ...); +#define strfree(str) kmem_free((str), strlen(str) + 1) + +/* + * Hostname information + */ +extern char hw_serial[]; /* for userland-emulated hostid access */ +extern int ddi_strtoul(const char *str, char **nptr, int base, + unsigned long *result); + +extern int ddi_strtoull(const char *str, char **nptr, int base, + u_longlong_t *result); + +typedef struct utsname utsname_t; +extern utsname_t *utsname(void); + +/* ZFS Boot Related stuff. */ + +struct _buf { + intptr_t _fd; +}; + +struct bootstat { + uint64_t st_size; +}; + +typedef struct ace_object { + uid_t a_who; + uint32_t a_access_mask; + uint16_t a_flags; + uint16_t a_type; + uint8_t a_obj_type[16]; + uint8_t a_inherit_obj_type[16]; +} ace_object_t; + + +#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 +#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 +#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 +#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 + +extern struct _buf *kobj_open_file(char *name); +extern int kobj_read_file(struct _buf *file, char *buf, unsigned size, + unsigned off); +extern void kobj_close_file(struct _buf *file); +extern int kobj_get_filesize(struct _buf *file, uint64_t *size); +extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); +extern int zfs_secpolicy_rename_perms(const char *from, const char *to, + cred_t *cr); +extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); +extern zoneid_t getzoneid(void); + +/* SID stuff */ +typedef struct ksiddomain { + uint_t kd_ref; + uint_t kd_len; + char *kd_name; +} ksiddomain_t; + +ksiddomain_t *ksid_lookupdomain(const char *); +void ksiddomain_rele(ksiddomain_t *); + +#define DDI_SLEEP KM_SLEEP +#define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \ + sysevent_post_event(_c, _d, _b, "libzpool", _e, _f) + +#define zfs_sleep_until(wakeup) \ + do { \ + hrtime_t delta = wakeup - gethrtime(); \ + struct timespec ts; \ + ts.tv_sec = delta / NANOSEC; \ + ts.tv_nsec = delta % NANOSEC; \ + (void) nanosleep(&ts, NULL); \ + } while (0) + +typedef int fstrans_cookie_t; + +extern fstrans_cookie_t spl_fstrans_mark(void); +extern void spl_fstrans_unmark(fstrans_cookie_t); +extern int spl_fstrans_check(void); + +#endif /* _KERNEL */ +#endif /* _SYS_ZFS_CONTEXT_H */ diff --git a/zfs/include/sys/zfs_ctldir.h b/zfs/include/sys/zfs_ctldir.h new file mode 100644 index 000000000000..65c44f3cca54 --- /dev/null +++ b/zfs/include/sys/zfs_ctldir.h @@ -0,0 +1,104 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * LLNL-CODE-403049. + * Rewritten for Linux by: + * Rohan Puri + * Brian Behlendorf + */ + +#ifndef _ZFS_CTLDIR_H +#define _ZFS_CTLDIR_H + +#include +#include +#include +#include + +#define ZFS_CTLDIR_NAME ".zfs" +#define ZFS_SNAPDIR_NAME "snapshot" +#define ZFS_SHAREDIR_NAME "shares" + +#define zfs_has_ctldir(zdp) \ + ((zdp)->z_id == ZTOZSB(zdp)->z_root && \ + (ZTOZSB(zdp)->z_ctldir != NULL)) +#define zfs_show_ctldir(zdp) \ + (zfs_has_ctldir(zdp) && \ + (ZTOZSB(zdp)->z_show_ctldir)) + +extern int zfs_expire_snapshot; + +/* zfsctl generic functions */ +extern int zfsctl_create(zfs_sb_t *zsb); +extern void zfsctl_destroy(zfs_sb_t *zsb); +extern struct inode *zfsctl_root(znode_t *zp); +extern void zfsctl_init(void); +extern void zfsctl_fini(void); +extern boolean_t zfsctl_is_node(struct inode *ip); +extern boolean_t zfsctl_is_snapdir(struct inode *ip); +extern int zfsctl_fid(struct inode *ip, fid_t *fidp); + +/* zfsctl '.zfs' functions */ +extern int zfsctl_root_lookup(struct inode *dip, char *name, + struct inode **ipp, int flags, cred_t *cr, int *direntflags, + pathname_t *realpnp); + +/* zfsctl '.zfs/snapshot' functions */ +extern int zfsctl_snapdir_lookup(struct inode *dip, char *name, + struct inode **ipp, int flags, cred_t *cr, int *direntflags, + pathname_t *realpnp); +extern int zfsctl_snapdir_rename(struct inode *sdip, char *sname, + struct inode *tdip, char *tname, cred_t *cr, int flags); +extern int zfsctl_snapdir_remove(struct inode *dip, char *name, cred_t *cr, + int flags); +extern int zfsctl_snapdir_mkdir(struct inode *dip, char *dirname, vattr_t *vap, + struct inode **ipp, cred_t *cr, int flags); +extern void zfsctl_snapdir_inactive(struct inode *ip); +extern int zfsctl_snapshot_mount(struct path *path, int flags); +extern int zfsctl_snapshot_unmount(char *snapname, int flags); +extern int zfsctl_snapshot_unmount_delay(spa_t *spa, uint64_t objsetid, + int delay); +extern int zfsctl_lookup_objset(struct super_block *sb, uint64_t objsetid, + zfs_sb_t **zsb); + +/* zfsctl '.zfs/shares' functions */ +extern int zfsctl_shares_lookup(struct inode *dip, char *name, + struct inode **ipp, int flags, cred_t *cr, int *direntflags, + pathname_t *realpnp); + +/* + * These inodes numbers are reserved for the .zfs control directory. + * It is important that they be no larger that 48-bits because only + * 6 bytes are reserved in the NFS file handle for the object number. + * However, they should be as large as possible to avoid conflicts + * with the objects which are assigned monotonically by the dmu. + */ +#define ZFSCTL_INO_ROOT 0x0000FFFFFFFFFFFFULL +#define ZFSCTL_INO_SHARES 0x0000FFFFFFFFFFFEULL +#define ZFSCTL_INO_SNAPDIR 0x0000FFFFFFFFFFFDULL +#define ZFSCTL_INO_SNAPDIRS 0x0000FFFFFFFFFFFCULL + +#define ZFSCTL_EXPIRE_SNAPSHOT 300 + +#endif /* _ZFS_CTLDIR_H */ diff --git a/zfs/include/sys/zfs_debug.h b/zfs/include/sys/zfs_debug.h new file mode 100644 index 000000000000..2f0064ee045b --- /dev/null +++ b/zfs/include/sys/zfs_debug.h @@ -0,0 +1,81 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#ifndef _SYS_ZFS_DEBUG_H +#define _SYS_ZFS_DEBUG_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +extern int zfs_flags; +extern int zfs_recover; +extern int zfs_free_leak_on_eio; + +#define ZFS_DEBUG_DPRINTF (1<<0) +#define ZFS_DEBUG_DBUF_VERIFY (1<<1) +#define ZFS_DEBUG_DNODE_VERIFY (1<<2) +#define ZFS_DEBUG_SNAPNAMES (1<<3) +#define ZFS_DEBUG_MODIFY (1<<4) +#define ZFS_DEBUG_SPA (1<<5) +#define ZFS_DEBUG_ZIO_FREE (1<<6) +#define ZFS_DEBUG_HISTOGRAM_VERIFY (1<<7) + +extern void __dprintf(const char *file, const char *func, + int line, const char *fmt, ...); +#define dprintf(...) \ + __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) +#define zfs_dbgmsg(...) \ + __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) + +extern void zfs_panic_recover(const char *fmt, ...); + +typedef struct zfs_dbgmsg { + list_node_t zdm_node; + time_t zdm_timestamp; + int zdm_size; + char zdm_msg[1]; /* variable length allocation */ +} zfs_dbgmsg_t; + +extern void zfs_dbgmsg_init(void); +extern void zfs_dbgmsg_fini(void); + +#ifndef _KERNEL +extern int dprintf_find_string(const char *string); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZFS_DEBUG_H */ diff --git a/zfs/include/sys/zfs_delay.h b/zfs/include/sys/zfs_delay.h new file mode 100644 index 000000000000..b56a7daa7c63 --- /dev/null +++ b/zfs/include/sys/zfs_delay.h @@ -0,0 +1,41 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#ifndef _SYS_FS_ZFS_DELAY_H +#define _SYS_FS_ZFS_DELAY_H + +#include + +/* + * Generic wrapper to sleep until a given time. + */ +#define zfs_sleep_until(wakeup) \ + do { \ + hrtime_t delta = wakeup - gethrtime(); \ + \ + if (delta > 0) { \ + unsigned long delta_us; \ + delta_us = delta / (NANOSEC / MICROSEC); \ + usleep_range(delta_us, delta_us + 100); \ + } \ + } while (0) + +#endif /* _SYS_FS_ZFS_DELAY_H */ diff --git a/zfs/include/sys/zfs_dir.h b/zfs/include/sys/zfs_dir.h new file mode 100644 index 000000000000..8610fbe0861d --- /dev/null +++ b/zfs/include/sys/zfs_dir.h @@ -0,0 +1,74 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_FS_ZFS_DIR_H +#define _SYS_FS_ZFS_DIR_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* zfs_dirent_lock() flags */ +#define ZNEW 0x0001 /* entry should not exist */ +#define ZEXISTS 0x0002 /* entry should exist */ +#define ZSHARED 0x0004 /* shared access (zfs_dirlook()) */ +#define ZXATTR 0x0008 /* we want the xattr dir */ +#define ZRENAMING 0x0010 /* znode is being renamed */ +#define ZCILOOK 0x0020 /* case-insensitive lookup requested */ +#define ZCIEXACT 0x0040 /* c-i requires c-s match (rename) */ +#define ZHAVELOCK 0x0080 /* z_name_lock is already held */ + +/* mknode flags */ +#define IS_ROOT_NODE 0x01 /* create a root node */ +#define IS_XATTR 0x02 /* create an extended attribute node */ + +extern int zfs_dirent_lock(zfs_dirlock_t **, znode_t *, char *, znode_t **, + int, int *, pathname_t *); +extern void zfs_dirent_unlock(zfs_dirlock_t *); +extern int zfs_link_create(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int); +extern int zfs_link_destroy(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int, + boolean_t *); +extern int zfs_dirlook(znode_t *, char *, struct inode **, int, int *, + pathname_t *); +extern void zfs_mknode(znode_t *, vattr_t *, dmu_tx_t *, cred_t *, + uint_t, znode_t **, zfs_acl_ids_t *); +extern void zfs_rmnode(znode_t *); +extern void zfs_dl_name_switch(zfs_dirlock_t *dl, char *new, char **old); +extern boolean_t zfs_dirempty(znode_t *); +extern void zfs_unlinked_add(znode_t *, dmu_tx_t *); +extern void zfs_unlinked_drain(zfs_sb_t *); +extern int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr); +extern int zfs_get_xattrdir(znode_t *, struct inode **, cred_t *, int); +extern int zfs_make_xattrdir(znode_t *, vattr_t *, struct inode **, cred_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_DIR_H */ diff --git a/zfs/include/sys/zfs_fuid.h b/zfs/include/sys/zfs_fuid.h new file mode 100644 index 000000000000..deaebcc82bd0 --- /dev/null +++ b/zfs/include/sys/zfs_fuid.h @@ -0,0 +1,132 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_FS_ZFS_FUID_H +#define _SYS_FS_ZFS_FUID_H + +#ifdef _KERNEL +#include +#include +#include +#include +#endif +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + ZFS_OWNER, + ZFS_GROUP, + ZFS_ACE_USER, + ZFS_ACE_GROUP +} zfs_fuid_type_t; + +/* + * Estimate space needed for one more fuid table entry. + * for now assume its current size + 1K + */ +#define FUID_SIZE_ESTIMATE(z) ((z)->z_fuid_size + (SPA_MINBLOCKSIZE << 1)) + +#define FUID_INDEX(x) ((x) >> 32) +#define FUID_RID(x) ((x) & 0xffffffff) +#define FUID_ENCODE(idx, rid) (((uint64_t)(idx) << 32) | (rid)) +/* + * FUIDs cause problems for the intent log + * we need to replay the creation of the FUID, + * but we can't count on the idmapper to be around + * and during replay the FUID index may be different than + * before. Also, if an ACL has 100 ACEs and 12 different + * domains we don't want to log 100 domain strings, but rather + * just the unique 12. + */ + +/* + * The FUIDs in the log will index into + * domain string table and the bottom half will be the rid. + * Used for mapping ephemeral uid/gid during ACL setting to FUIDs + */ +typedef struct zfs_fuid { + list_node_t z_next; + uint64_t z_id; /* uid/gid being converted to fuid */ + uint64_t z_domidx; /* index in AVL domain table */ + uint64_t z_logfuid; /* index for domain in log */ +} zfs_fuid_t; + +/* list of unique domains */ +typedef struct zfs_fuid_domain { + list_node_t z_next; + uint64_t z_domidx; /* AVL tree idx */ + const char *z_domain; /* domain string */ +} zfs_fuid_domain_t; + +/* + * FUID information necessary for logging create, setattr, and setacl. + */ +typedef struct zfs_fuid_info { + list_t z_fuids; + list_t z_domains; + uint64_t z_fuid_owner; + uint64_t z_fuid_group; + char **z_domain_table; /* Used during replay */ + uint32_t z_fuid_cnt; /* How many fuids in z_fuids */ + uint32_t z_domain_cnt; /* How many domains */ + size_t z_domain_str_sz; /* len of domain strings z_domain list */ +} zfs_fuid_info_t; + +#ifdef _KERNEL +struct znode; +extern uid_t zfs_fuid_map_id(zfs_sb_t *, uint64_t, cred_t *, zfs_fuid_type_t); +extern void zfs_fuid_node_add(zfs_fuid_info_t **, const char *, uint32_t, + uint64_t, uint64_t, zfs_fuid_type_t); +extern void zfs_fuid_destroy(zfs_sb_t *); +extern uint64_t zfs_fuid_create_cred(zfs_sb_t *, zfs_fuid_type_t, + cred_t *, zfs_fuid_info_t **); +extern uint64_t zfs_fuid_create(zfs_sb_t *, uint64_t, cred_t *, zfs_fuid_type_t, + zfs_fuid_info_t **); +extern void zfs_fuid_map_ids(struct znode *zp, cred_t *cr, + uid_t *uid, uid_t *gid); +extern zfs_fuid_info_t *zfs_fuid_info_alloc(void); +extern void zfs_fuid_info_free(zfs_fuid_info_t *); +extern boolean_t zfs_groupmember(zfs_sb_t *, uint64_t, cred_t *); +void zfs_fuid_sync(zfs_sb_t *, dmu_tx_t *); +extern int zfs_fuid_find_by_domain(zfs_sb_t *, const char *domain, + char **retdomain, boolean_t addok); +extern const char *zfs_fuid_find_by_idx(zfs_sb_t *zsb, uint32_t idx); +extern void zfs_fuid_txhold(zfs_sb_t *zsb, dmu_tx_t *tx); +#endif + +char *zfs_fuid_idx_domain(avl_tree_t *, uint32_t); +void zfs_fuid_avl_tree_create(avl_tree_t *, avl_tree_t *); +uint64_t zfs_fuid_table_load(objset_t *, uint64_t, avl_tree_t *, avl_tree_t *); +void zfs_fuid_table_destroy(avl_tree_t *, avl_tree_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_FUID_H */ diff --git a/zfs/include/sys/zfs_ioctl.h b/zfs/include/sys/zfs_ioctl.h new file mode 100644 index 000000000000..09a96c043bf0 --- /dev/null +++ b/zfs/include/sys/zfs_ioctl.h @@ -0,0 +1,419 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _SYS_ZFS_IOCTL_H +#define _SYS_ZFS_IOCTL_H + +#include +#include +#include +#include +#include +#include + +#ifdef _KERNEL +#include +#endif /* _KERNEL */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The structures in this file are passed between userland and the + * kernel. Userland may be running a 32-bit process, while the kernel + * is 64-bit. Therefore, these structures need to compile the same in + * 32-bit and 64-bit. This means not using type "long", and adding + * explicit padding so that the 32-bit structure will not be packed more + * tightly than the 64-bit structure (which requires 64-bit alignment). + */ + +/* + * Property values for snapdir + */ +#define ZFS_SNAPDIR_HIDDEN 0 +#define ZFS_SNAPDIR_VISIBLE 1 + +/* + * Property values for snapdev + */ +#define ZFS_SNAPDEV_HIDDEN 0 +#define ZFS_SNAPDEV_VISIBLE 1 +/* + * Property values for acltype + */ +#define ZFS_ACLTYPE_OFF 0 +#define ZFS_ACLTYPE_POSIXACL 1 + +/* + * Field manipulation macros for the drr_versioninfo field of the + * send stream header. + */ + +/* + * Header types for zfs send streams. + */ +typedef enum drr_headertype { + DMU_SUBSTREAM = 0x1, + DMU_COMPOUNDSTREAM = 0x2 +} drr_headertype_t; + +#define DMU_GET_STREAM_HDRTYPE(vi) BF64_GET((vi), 0, 2) +#define DMU_SET_STREAM_HDRTYPE(vi, x) BF64_SET((vi), 0, 2, x) + +#define DMU_GET_FEATUREFLAGS(vi) BF64_GET((vi), 2, 30) +#define DMU_SET_FEATUREFLAGS(vi, x) BF64_SET((vi), 2, 30, x) + +/* + * Feature flags for zfs send streams (flags in drr_versioninfo) + */ + +#define DMU_BACKUP_FEATURE_DEDUP (1<<0) +#define DMU_BACKUP_FEATURE_DEDUPPROPS (1<<1) +#define DMU_BACKUP_FEATURE_SA_SPILL (1<<2) +/* flags #3 - #15 are reserved for incompatible closed-source implementations */ +#define DMU_BACKUP_FEATURE_EMBED_DATA (1<<16) +#define DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 (1<<17) +/* flag #18 is reserved for a Delphix feature */ +#define DMU_BACKUP_FEATURE_LARGE_BLOCKS (1<<19) + +/* + * Mask of all supported backup features + */ +#define DMU_BACKUP_FEATURE_MASK (DMU_BACKUP_FEATURE_DEDUP | \ + DMU_BACKUP_FEATURE_DEDUPPROPS | DMU_BACKUP_FEATURE_SA_SPILL | \ + DMU_BACKUP_FEATURE_EMBED_DATA | DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 | \ + DMU_BACKUP_FEATURE_LARGE_BLOCKS) + +/* Are all features in the given flag word currently supported? */ +#define DMU_STREAM_SUPPORTED(x) (!((x) & ~DMU_BACKUP_FEATURE_MASK)) + +/* + * The drr_versioninfo field of the dmu_replay_record has the + * following layout: + * + * 64 56 48 40 32 24 16 8 0 + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * | reserved | feature-flags |C|S| + * +-------+-------+-------+-------+-------+-------+-------+-------+ + * + * The low order two bits indicate the header type: SUBSTREAM (0x1) + * or COMPOUNDSTREAM (0x2). Using two bits for this is historical: + * this field used to be a version number, where the two version types + * were 1 and 2. Using two bits for this allows earlier versions of + * the code to be able to recognize send streams that don't use any + * of the features indicated by feature flags. + */ + +#define DMU_BACKUP_MAGIC 0x2F5bacbacULL + +#define DRR_FLAG_CLONE (1<<0) +#define DRR_FLAG_CI_DATA (1<<1) + +/* + * flags in the drr_checksumflags field in the DRR_WRITE and + * DRR_WRITE_BYREF blocks + */ +#define DRR_CHECKSUM_DEDUP (1<<0) + +#define DRR_IS_DEDUP_CAPABLE(flags) ((flags) & DRR_CHECKSUM_DEDUP) + +/* + * zfs ioctl command structure + */ +typedef struct dmu_replay_record { + enum { + DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS, + DRR_WRITE, DRR_FREE, DRR_END, DRR_WRITE_BYREF, + DRR_SPILL, DRR_WRITE_EMBEDDED, DRR_NUMTYPES + } drr_type; + uint32_t drr_payloadlen; + union { + struct drr_begin { + uint64_t drr_magic; + uint64_t drr_versioninfo; /* was drr_version */ + uint64_t drr_creation_time; + dmu_objset_type_t drr_type; + uint32_t drr_flags; + uint64_t drr_toguid; + uint64_t drr_fromguid; + char drr_toname[MAXNAMELEN]; + } drr_begin; + struct drr_end { + zio_cksum_t drr_checksum; + uint64_t drr_toguid; + } drr_end; + struct drr_object { + uint64_t drr_object; + dmu_object_type_t drr_type; + dmu_object_type_t drr_bonustype; + uint32_t drr_blksz; + uint32_t drr_bonuslen; + uint8_t drr_checksumtype; + uint8_t drr_compress; + uint8_t drr_pad[6]; + uint64_t drr_toguid; + /* bonus content follows */ + } drr_object; + struct drr_freeobjects { + uint64_t drr_firstobj; + uint64_t drr_numobjs; + uint64_t drr_toguid; + } drr_freeobjects; + struct drr_write { + uint64_t drr_object; + dmu_object_type_t drr_type; + uint32_t drr_pad; + uint64_t drr_offset; + uint64_t drr_length; + uint64_t drr_toguid; + uint8_t drr_checksumtype; + uint8_t drr_checksumflags; + uint8_t drr_pad2[6]; + ddt_key_t drr_key; /* deduplication key */ + /* content follows */ + } drr_write; + struct drr_free { + uint64_t drr_object; + uint64_t drr_offset; + uint64_t drr_length; + uint64_t drr_toguid; + } drr_free; + struct drr_write_byref { + /* where to put the data */ + uint64_t drr_object; + uint64_t drr_offset; + uint64_t drr_length; + uint64_t drr_toguid; + /* where to find the prior copy of the data */ + uint64_t drr_refguid; + uint64_t drr_refobject; + uint64_t drr_refoffset; + /* properties of the data */ + uint8_t drr_checksumtype; + uint8_t drr_checksumflags; + uint8_t drr_pad2[6]; + ddt_key_t drr_key; /* deduplication key */ + } drr_write_byref; + struct drr_spill { + uint64_t drr_object; + uint64_t drr_length; + uint64_t drr_toguid; + uint64_t drr_pad[4]; /* needed for crypto */ + /* spill data follows */ + } drr_spill; + struct drr_write_embedded { + uint64_t drr_object; + uint64_t drr_offset; + /* logical length, should equal blocksize */ + uint64_t drr_length; + uint64_t drr_toguid; + uint8_t drr_compression; + uint8_t drr_etype; + uint8_t drr_pad[6]; + uint32_t drr_lsize; /* uncompressed size of payload */ + uint32_t drr_psize; /* compr. (real) size of payload */ + /* (possibly compressed) content follows */ + } drr_write_embedded; + } drr_u; +} dmu_replay_record_t; + +/* diff record range types */ +typedef enum diff_type { + DDR_NONE = 0x1, + DDR_INUSE = 0x2, + DDR_FREE = 0x4 +} diff_type_t; + +/* + * The diff reports back ranges of free or in-use objects. + */ +typedef struct dmu_diff_record { + uint64_t ddr_type; + uint64_t ddr_first; + uint64_t ddr_last; +} dmu_diff_record_t; + +typedef struct zinject_record { + uint64_t zi_objset; + uint64_t zi_object; + uint64_t zi_start; + uint64_t zi_end; + uint64_t zi_guid; + uint32_t zi_level; + uint32_t zi_error; + uint64_t zi_type; + uint32_t zi_freq; + uint32_t zi_failfast; + char zi_func[MAXNAMELEN]; + uint32_t zi_iotype; + int32_t zi_duration; + uint64_t zi_timer; + uint32_t zi_cmd; + uint32_t zi_pad; +} zinject_record_t; + +#define ZINJECT_NULL 0x1 +#define ZINJECT_FLUSH_ARC 0x2 +#define ZINJECT_UNLOAD_SPA 0x4 + +#define ZEVENT_NONE 0x0 +#define ZEVENT_NONBLOCK 0x1 +#define ZEVENT_SIZE 1024 + +#define ZEVENT_SEEK_START 0 +#define ZEVENT_SEEK_END UINT64_MAX + +typedef enum zinject_type { + ZINJECT_UNINITIALIZED, + ZINJECT_DATA_FAULT, + ZINJECT_DEVICE_FAULT, + ZINJECT_LABEL_FAULT, + ZINJECT_IGNORED_WRITES, + ZINJECT_PANIC, + ZINJECT_DELAY_IO, +} zinject_type_t; + +typedef struct zfs_share { + uint64_t z_exportdata; + uint64_t z_sharedata; + uint64_t z_sharetype; /* 0 = share, 1 = unshare */ + uint64_t z_sharemax; /* max length of share string */ +} zfs_share_t; + +/* + * ZFS file systems may behave the usual, POSIX-compliant way, where + * name lookups are case-sensitive. They may also be set up so that + * all the name lookups are case-insensitive, or so that only some + * lookups, the ones that set an FIGNORECASE flag, are case-insensitive. + */ +typedef enum zfs_case { + ZFS_CASE_SENSITIVE, + ZFS_CASE_INSENSITIVE, + ZFS_CASE_MIXED +} zfs_case_t; + +typedef struct zfs_cmd { + char zc_name[MAXPATHLEN]; /* name of pool or dataset */ + uint64_t zc_nvlist_src; /* really (char *) */ + uint64_t zc_nvlist_src_size; + uint64_t zc_nvlist_dst; /* really (char *) */ + uint64_t zc_nvlist_dst_size; + boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */ + int zc_pad2; + + /* + * The following members are for legacy ioctls which haven't been + * converted to the new method. + */ + uint64_t zc_history; /* really (char *) */ + char zc_value[MAXPATHLEN * 2]; + char zc_string[MAXNAMELEN]; + uint64_t zc_guid; + uint64_t zc_nvlist_conf; /* really (char *) */ + uint64_t zc_nvlist_conf_size; + uint64_t zc_cookie; + uint64_t zc_objset_type; + uint64_t zc_perm_action; + uint64_t zc_history_len; + uint64_t zc_history_offset; + uint64_t zc_obj; + uint64_t zc_iflags; /* internal to zfs(7fs) */ + zfs_share_t zc_share; + dmu_objset_stats_t zc_objset_stats; + struct drr_begin zc_begin_record; + zinject_record_t zc_inject_record; + uint32_t zc_defer_destroy; + uint32_t zc_flags; + uint64_t zc_action_handle; + int zc_cleanup_fd; + uint8_t zc_simple; + uint8_t zc_pad[3]; /* alignment */ + uint64_t zc_sendobj; + uint64_t zc_fromobj; + uint64_t zc_createtxg; + zfs_stat_t zc_stat; +} zfs_cmd_t; + +typedef struct zfs_useracct { + char zu_domain[256]; + uid_t zu_rid; + uint32_t zu_pad; + uint64_t zu_space; +} zfs_useracct_t; + +#define ZFSDEV_MAX_MINOR (1 << 16) +#define ZFS_MIN_MINOR (ZFSDEV_MAX_MINOR + 1) + +#define ZPOOL_EXPORT_AFTER_SPLIT 0x1 + +#ifdef _KERNEL + +typedef struct zfs_creat { + nvlist_t *zct_zplprops; + nvlist_t *zct_props; +} zfs_creat_t; + +extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); +extern int zfs_secpolicy_rename_perms(const char *from, + const char *to, cred_t *cr); +extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); +extern int zfs_unmount_snap(const char *); +extern void zfs_destroy_unmount_origin(const char *); + +extern boolean_t dataset_name_hidden(const char *name); + +enum zfsdev_state_type { + ZST_ONEXIT, + ZST_ZEVENT, + ZST_ALL, +}; + +/* + * The zfsdev_state_t structure is managed as a singly-linked list + * from which items are never deleted. This allows for lock-free + * reading of the list so long as assignments to the zs_next and + * reads from zs_minor are performed atomically. Empty items are + * indicated by storing -1 into zs_minor. + */ +typedef struct zfsdev_state { + struct zfsdev_state *zs_next; /* next zfsdev_state_t link */ + struct file *zs_file; /* associated file struct */ + minor_t zs_minor; /* made up minor number */ + void *zs_onexit; /* onexit data */ + void *zs_zevent; /* zevent data */ +} zfsdev_state_t; + +extern void *zfsdev_get_state(minor_t minor, enum zfsdev_state_type which); +extern int zfsdev_getminor(struct file *filp, minor_t *minorp); +extern minor_t zfsdev_minor_alloc(void); + +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZFS_IOCTL_H */ diff --git a/zfs/include/sys/zfs_onexit.h b/zfs/include/sys/zfs_onexit.h new file mode 100644 index 000000000000..4982bd4d0afc --- /dev/null +++ b/zfs/include/sys/zfs_onexit.h @@ -0,0 +1,66 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_ZFS_ONEXIT_H +#define _SYS_ZFS_ONEXIT_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _KERNEL + +typedef struct zfs_onexit { + kmutex_t zo_lock; + list_t zo_actions; +} zfs_onexit_t; + +typedef struct zfs_onexit_action_node { + list_node_t za_link; + void (*za_func)(void *); + void *za_data; +} zfs_onexit_action_node_t; + +extern void zfs_onexit_init(zfs_onexit_t **zo); +extern void zfs_onexit_destroy(zfs_onexit_t *zo); + +#endif + +extern int zfs_onexit_fd_hold(int fd, minor_t *minorp); +extern void zfs_onexit_fd_rele(int fd); +extern int zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data, + uint64_t *action_handle); +extern int zfs_onexit_del_cb(minor_t minor, uint64_t action_handle, + boolean_t fire); +extern int zfs_onexit_cb_data(minor_t minor, uint64_t action_handle, + void **data); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZFS_ONEXIT_H */ diff --git a/zfs/include/sys/zfs_rlock.h b/zfs/include/sys/zfs_rlock.h new file mode 100644 index 000000000000..5322f3bc73af --- /dev/null +++ b/zfs/include/sys/zfs_rlock.h @@ -0,0 +1,115 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_FS_ZFS_RLOCK_H +#define _SYS_FS_ZFS_RLOCK_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _KERNEL + +#include +#include +#include + +typedef enum { + RL_READER, + RL_WRITER, + RL_APPEND +} rl_type_t; + +typedef struct zfs_rlock { + kmutex_t zr_mutex; /* protects changes to zr_avl */ + avl_tree_t zr_avl; /* avl tree of range locks */ + uint64_t *zr_size; /* points to znode->z_size */ + uint_t *zr_blksz; /* points to znode->z_blksz */ + uint64_t *zr_max_blksz; /* points to zsb->z_max_blksz */ +} zfs_rlock_t; + +typedef struct rl { + zfs_rlock_t *r_zrl; + avl_node_t r_node; /* avl node link */ + uint64_t r_off; /* file range offset */ + uint64_t r_len; /* file range length */ + uint_t r_cnt; /* range reference count in tree */ + rl_type_t r_type; /* range type */ + kcondvar_t r_wr_cv; /* cv for waiting writers */ + kcondvar_t r_rd_cv; /* cv for waiting readers */ + uint8_t r_proxy; /* acting for original range */ + uint8_t r_write_wanted; /* writer wants to lock this range */ + uint8_t r_read_wanted; /* reader wants to lock this range */ + list_node_t rl_node; /* used for deferred release */ +} rl_t; + +/* + * Lock a range (offset, length) as either shared (RL_READER) + * or exclusive (RL_WRITER or RL_APPEND). RL_APPEND is a special type that + * is converted to RL_WRITER that specified to lock from the start of the + * end of file. Returns the range lock structure. + */ +rl_t *zfs_range_lock(zfs_rlock_t *zrl, uint64_t off, uint64_t len, + rl_type_t type); + +/* Unlock range and destroy range lock structure. */ +void zfs_range_unlock(rl_t *rl); + +/* + * Reduce range locked as RW_WRITER from whole file to specified range. + * Asserts the whole file was previously locked. + */ +void zfs_range_reduce(rl_t *rl, uint64_t off, uint64_t len); + +/* + * AVL comparison function used to order range locks + * Locks are ordered on the start offset of the range. + */ +int zfs_range_compare(const void *arg1, const void *arg2); + +static inline void +zfs_rlock_init(zfs_rlock_t *zrl) +{ + mutex_init(&zrl->zr_mutex, NULL, MUTEX_DEFAULT, NULL); + avl_create(&zrl->zr_avl, zfs_range_compare, + sizeof (rl_t), offsetof(rl_t, r_node)); + zrl->zr_size = NULL; + zrl->zr_blksz = NULL; + zrl->zr_max_blksz = NULL; +} + +static inline void +zfs_rlock_destroy(zfs_rlock_t *zrl) +{ + avl_destroy(&zrl->zr_avl); + mutex_destroy(&zrl->zr_mutex); +} +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_RLOCK_H */ diff --git a/zfs/include/sys/zfs_sa.h b/zfs/include/sys/zfs_sa.h new file mode 100644 index 000000000000..06c4d589aa79 --- /dev/null +++ b/zfs/include/sys/zfs_sa.h @@ -0,0 +1,150 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_ZFS_SA_H +#define _SYS_ZFS_SA_H + +#ifdef _KERNEL +#include +#include +#include +#include +#include +#include +#include + + +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This is the list of known attributes + * to the ZPL. The values of the actual + * attributes are not defined by the order + * the enums. It is controlled by the attribute + * registration mechanism. Two different file system + * could have different numeric values for the same + * attributes. this list is only used for dereferencing + * into the table that will hold the actual numeric value. + */ +typedef enum zpl_attr { + ZPL_ATIME, + ZPL_MTIME, + ZPL_CTIME, + ZPL_CRTIME, + ZPL_GEN, + ZPL_MODE, + ZPL_SIZE, + ZPL_PARENT, + ZPL_LINKS, + ZPL_XATTR, + ZPL_RDEV, + ZPL_FLAGS, + ZPL_UID, + ZPL_GID, + ZPL_PAD, + ZPL_ZNODE_ACL, + ZPL_DACL_COUNT, + ZPL_SYMLINK, + ZPL_SCANSTAMP, + ZPL_DACL_ACES, + ZPL_DXATTR, + ZPL_END +} zpl_attr_t; + +#define ZFS_OLD_ZNODE_PHYS_SIZE 0x108 +#define ZFS_SA_BASE_ATTR_SIZE (ZFS_OLD_ZNODE_PHYS_SIZE - \ + sizeof (zfs_acl_phys_t)) + +#define SA_MODE_OFFSET 0 +#define SA_SIZE_OFFSET 8 +#define SA_GEN_OFFSET 16 +#define SA_UID_OFFSET 24 +#define SA_GID_OFFSET 32 +#define SA_PARENT_OFFSET 40 + +extern sa_attr_reg_t zfs_attr_table[ZPL_END + 1]; +extern sa_attr_reg_t zfs_legacy_attr_table[ZPL_END + 1]; + +/* + * This is a deprecated data structure that only exists for + * dealing with file systems create prior to ZPL version 5. + */ +typedef struct znode_phys { + uint64_t zp_atime[2]; /* 0 - last file access time */ + uint64_t zp_mtime[2]; /* 16 - last file modification time */ + uint64_t zp_ctime[2]; /* 32 - last file change time */ + uint64_t zp_crtime[2]; /* 48 - creation time */ + uint64_t zp_gen; /* 64 - generation (txg of creation) */ + uint64_t zp_mode; /* 72 - file mode bits */ + uint64_t zp_size; /* 80 - size of file */ + uint64_t zp_parent; /* 88 - directory parent (`..') */ + uint64_t zp_links; /* 96 - number of links to file */ + uint64_t zp_xattr; /* 104 - DMU object for xattrs */ + uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */ + uint64_t zp_flags; /* 120 - persistent flags */ + uint64_t zp_uid; /* 128 - file owner */ + uint64_t zp_gid; /* 136 - owning group */ + uint64_t zp_zap; /* 144 - extra attributes */ + uint64_t zp_pad[3]; /* 152 - future */ + zfs_acl_phys_t zp_acl; /* 176 - 263 ACL */ + /* + * Data may pad out any remaining bytes in the znode buffer, eg: + * + * |<---------------------- dnode_phys (512) ------------------------>| + * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->| + * |<---- znode (264) ---->|<---- data (56) ---->| + * + * At present, we use this space for the following: + * - symbolic links + * - 32-byte anti-virus scanstamp (regular files only) + */ +} znode_phys_t; + +#ifdef _KERNEL + +#define DXATTR_MAX_ENTRY_SIZE (32768) +#define DXATTR_MAX_SA_SIZE (SPA_OLD_MAXBLOCKSIZE >> 1) + +int zfs_sa_readlink(struct znode *, uio_t *); +void zfs_sa_symlink(struct znode *, char *link, int len, dmu_tx_t *); +void zfs_sa_get_scanstamp(struct znode *, xvattr_t *); +void zfs_sa_set_scanstamp(struct znode *, xvattr_t *, dmu_tx_t *); +int zfs_sa_get_xattr(struct znode *); +int zfs_sa_set_xattr(struct znode *); +void zfs_sa_upgrade(struct sa_handle *, dmu_tx_t *); +void zfs_sa_upgrade_txholds(dmu_tx_t *, struct znode *); +void zfs_sa_init(void); +void zfs_sa_fini(void); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZFS_SA_H */ diff --git a/zfs/include/sys/zfs_stat.h b/zfs/include/sys/zfs_stat.h new file mode 100644 index 000000000000..465aefaa2063 --- /dev/null +++ b/zfs/include/sys/zfs_stat.h @@ -0,0 +1,56 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_FS_ZFS_STAT_H +#define _SYS_FS_ZFS_STAT_H + +#ifdef _KERNEL +#include +#include +#include +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * A limited number of zpl level stats are retrievable + * with an ioctl. zfs diff is the current consumer. + */ +typedef struct zfs_stat { + uint64_t zs_gen; + uint64_t zs_mode; + uint64_t zs_links; + uint64_t zs_ctime[2]; +} zfs_stat_t; + +extern int zfs_obj_to_stats(objset_t *osp, uint64_t obj, zfs_stat_t *sb, + char *buf, int len); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_STAT_H */ diff --git a/zfs/include/sys/zfs_vfsops.h b/zfs/include/sys/zfs_vfsops.h new file mode 100644 index 000000000000..efaefdaccbc1 --- /dev/null +++ b/zfs/include/sys/zfs_vfsops.h @@ -0,0 +1,222 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_FS_ZFS_VFSOPS_H +#define _SYS_FS_ZFS_VFSOPS_H + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct zfs_sb; +struct znode; + +typedef struct zfs_mntopts { + char *z_osname; /* Objset name */ + char *z_mntpoint; /* Primary mount point */ + uint64_t z_xattr; + boolean_t z_readonly; + boolean_t z_do_readonly; + boolean_t z_setuid; + boolean_t z_do_setuid; + boolean_t z_exec; + boolean_t z_do_exec; + boolean_t z_devices; + boolean_t z_do_devices; + boolean_t z_do_xattr; + boolean_t z_atime; + boolean_t z_do_atime; + boolean_t z_relatime; + boolean_t z_do_relatime; + boolean_t z_nbmand; + boolean_t z_do_nbmand; +} zfs_mntopts_t; + +typedef struct zfs_sb { + struct super_block *z_sb; /* generic super_block */ + struct backing_dev_info z_bdi; /* generic backing dev info */ + struct zfs_sb *z_parent; /* parent fs */ + objset_t *z_os; /* objset reference */ + zfs_mntopts_t *z_mntopts; /* passed mount options */ + uint64_t z_flags; /* super_block flags */ + uint64_t z_root; /* id of root znode */ + uint64_t z_unlinkedobj; /* id of unlinked zapobj */ + uint64_t z_max_blksz; /* maximum block size for files */ + uint64_t z_fuid_obj; /* fuid table object number */ + uint64_t z_fuid_size; /* fuid table size */ + avl_tree_t z_fuid_idx; /* fuid tree keyed by index */ + avl_tree_t z_fuid_domain; /* fuid tree keyed by domain */ + krwlock_t z_fuid_lock; /* fuid lock */ + boolean_t z_fuid_loaded; /* fuid tables are loaded */ + boolean_t z_fuid_dirty; /* need to sync fuid table ? */ + struct zfs_fuid_info *z_fuid_replay; /* fuid info for replay */ + zilog_t *z_log; /* intent log pointer */ + uint_t z_acl_inherit; /* acl inheritance behavior */ + uint_t z_acl_type; /* type of ACL usable on this FS */ + zfs_case_t z_case; /* case-sense */ + boolean_t z_utf8; /* utf8-only */ + int z_norm; /* normalization flags */ + boolean_t z_atime; /* enable atimes mount option */ + boolean_t z_relatime; /* enable relatime mount option */ + boolean_t z_unmounted; /* unmounted */ + rrmlock_t z_teardown_lock; + krwlock_t z_teardown_inactive_lock; + list_t z_all_znodes; /* all znodes in the fs */ + uint64_t z_nr_znodes; /* number of znodes in the fs */ + unsigned long z_rollback_time; /* last online rollback time */ + unsigned long z_snap_defer_time; /* last snapshot unmount deferal */ + kmutex_t z_znodes_lock; /* lock for z_all_znodes */ + arc_prune_t *z_arc_prune; /* called by ARC to prune caches */ + struct inode *z_ctldir; /* .zfs directory inode */ + boolean_t z_show_ctldir; /* expose .zfs in the root dir */ + boolean_t z_issnap; /* true if this is a snapshot */ + boolean_t z_vscan; /* virus scan on/off */ + boolean_t z_use_fuids; /* version allows fuids */ + boolean_t z_replay; /* set during ZIL replay */ + boolean_t z_use_sa; /* version allow system attributes */ + boolean_t z_xattr_sa; /* allow xattrs to be stores as SA */ + uint64_t z_version; /* ZPL version */ + uint64_t z_shares_dir; /* hidden shares dir */ + kmutex_t z_lock; + uint64_t z_userquota_obj; + uint64_t z_groupquota_obj; + uint64_t z_replay_eof; /* New end of file - replay only */ + sa_attr_type_t *z_attr_table; /* SA attr mapping->id */ + uint64_t z_hold_size; /* znode hold array size */ + avl_tree_t *z_hold_trees; /* znode hold trees */ + kmutex_t *z_hold_locks; /* znode hold locks */ +} zfs_sb_t; + +#define ZFS_SUPER_MAGIC 0x2fc12fc1 + +#define ZSB_XATTR 0x0001 /* Enable user xattrs */ + +/* + * Allow a maximum number of links. While ZFS does not internally limit + * this the inode->i_nlink member is defined as an unsigned int. To be + * safe we use 2^31-1 as the limit. + */ +#define ZFS_LINK_MAX ((1U << 31) - 1U) + +/* + * Normal filesystems (those not under .zfs/snapshot) have a total + * file ID size limited to 12 bytes (including the length field) due to + * NFSv2 protocol's limitation of 32 bytes for a filehandle. For historical + * reasons, this same limit is being imposed by the Solaris NFSv3 implementation + * (although the NFSv3 protocol actually permits a maximum of 64 bytes). It + * is not possible to expand beyond 12 bytes without abandoning support + * of NFSv2. + * + * For normal filesystems, we partition up the available space as follows: + * 2 bytes fid length (required) + * 6 bytes object number (48 bits) + * 4 bytes generation number (32 bits) + * + * We reserve only 48 bits for the object number, as this is the limit + * currently defined and imposed by the DMU. + */ +typedef struct zfid_short { + uint16_t zf_len; + uint8_t zf_object[6]; /* obj[i] = obj >> (8 * i) */ + uint8_t zf_gen[4]; /* gen[i] = gen >> (8 * i) */ +} zfid_short_t; + +/* + * Filesystems under .zfs/snapshot have a total file ID size of 22 bytes + * (including the length field). This makes files under .zfs/snapshot + * accessible by NFSv3 and NFSv4, but not NFSv2. + * + * For files under .zfs/snapshot, we partition up the available space + * as follows: + * 2 bytes fid length (required) + * 6 bytes object number (48 bits) + * 4 bytes generation number (32 bits) + * 6 bytes objset id (48 bits) + * 4 bytes currently just zero (32 bits) + * + * We reserve only 48 bits for the object number and objset id, as these are + * the limits currently defined and imposed by the DMU. + */ +typedef struct zfid_long { + zfid_short_t z_fid; + uint8_t zf_setid[6]; /* obj[i] = obj >> (8 * i) */ + uint8_t zf_setgen[4]; /* gen[i] = gen >> (8 * i) */ +} zfid_long_t; + +#define SHORT_FID_LEN (sizeof (zfid_short_t) - sizeof (uint16_t)) +#define LONG_FID_LEN (sizeof (zfid_long_t) - sizeof (uint16_t)) + +extern uint_t zfs_fsyncer_key; + +extern int zfs_suspend_fs(zfs_sb_t *zsb); +extern int zfs_resume_fs(zfs_sb_t *zsb, const char *osname); +extern int zfs_userspace_one(zfs_sb_t *zsb, zfs_userquota_prop_t type, + const char *domain, uint64_t rid, uint64_t *valuep); +extern int zfs_userspace_many(zfs_sb_t *zsb, zfs_userquota_prop_t type, + uint64_t *cookiep, void *vbuf, uint64_t *bufsizep); +extern int zfs_set_userquota(zfs_sb_t *zsb, zfs_userquota_prop_t type, + const char *domain, uint64_t rid, uint64_t quota); +extern boolean_t zfs_owner_overquota(zfs_sb_t *zsb, struct znode *, + boolean_t isgroup); +extern boolean_t zfs_fuid_overquota(zfs_sb_t *zsb, boolean_t isgroup, + uint64_t fuid); +extern int zfs_set_version(zfs_sb_t *zsb, uint64_t newvers); +extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop, + uint64_t *value); +extern zfs_mntopts_t *zfs_mntopts_alloc(void); +extern void zfs_mntopts_free(zfs_mntopts_t *zmo); +extern int zfs_sb_create(const char *name, zfs_mntopts_t *zmo, + zfs_sb_t **zsbp); +extern int zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting); +extern void zfs_sb_free(zfs_sb_t *zsb); +extern int zfs_sb_prune(struct super_block *sb, unsigned long nr_to_scan, + int *objects); +extern int zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting); +extern int zfs_check_global_label(const char *dsname, const char *hexsl); +extern boolean_t zfs_is_readonly(zfs_sb_t *zsb); + +extern int zfs_register_callbacks(zfs_sb_t *zsb); +extern void zfs_unregister_callbacks(zfs_sb_t *zsb); +extern int zfs_domount(struct super_block *sb, zfs_mntopts_t *zmo, int silent); +extern void zfs_preumount(struct super_block *sb); +extern int zfs_umount(struct super_block *sb); +extern int zfs_remount(struct super_block *sb, int *flags, zfs_mntopts_t *zmo); +extern int zfs_root(zfs_sb_t *zsb, struct inode **ipp); +extern int zfs_statvfs(struct dentry *dentry, struct kstatfs *statp); +extern int zfs_vget(struct super_block *sb, struct inode **ipp, fid_t *fidp); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_VFSOPS_H */ diff --git a/zfs/include/sys/zfs_vnops.h b/zfs/include/sys/zfs_vnops.h new file mode 100644 index 000000000000..c331035c544a --- /dev/null +++ b/zfs/include/sys/zfs_vnops.h @@ -0,0 +1,88 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_FS_ZFS_VNOPS_H +#define _SYS_FS_ZFS_VNOPS_H + +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern int zfs_open(struct inode *ip, int mode, int flag, cred_t *cr); +extern int zfs_close(struct inode *ip, int flag, cred_t *cr); +extern int zfs_holey(struct inode *ip, int cmd, loff_t *off); +extern int zfs_read(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr); +extern int zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr); +extern int zfs_access(struct inode *ip, int mode, int flag, cred_t *cr); +extern int zfs_lookup(struct inode *dip, char *nm, struct inode **ipp, + int flags, cred_t *cr, int *direntflags, pathname_t *realpnp); +extern int zfs_create(struct inode *dip, char *name, vattr_t *vap, int excl, + int mode, struct inode **ipp, cred_t *cr, int flag, vsecattr_t *vsecp); +extern int zfs_remove(struct inode *dip, char *name, cred_t *cr); +extern int zfs_mkdir(struct inode *dip, char *dirname, vattr_t *vap, + struct inode **ipp, cred_t *cr, int flags, vsecattr_t *vsecp); +extern int zfs_rmdir(struct inode *dip, char *name, struct inode *cwd, + cred_t *cr, int flags); +extern int zfs_readdir(struct inode *ip, struct dir_context *ctx, cred_t *cr); +extern int zfs_fsync(struct inode *ip, int syncflag, cred_t *cr); +extern int zfs_getattr(struct inode *ip, vattr_t *vap, int flag, cred_t *cr); +extern int zfs_getattr_fast(struct inode *ip, struct kstat *sp); +extern int zfs_setattr(struct inode *ip, vattr_t *vap, int flag, cred_t *cr); +extern int zfs_rename(struct inode *sdip, char *snm, struct inode *tdip, + char *tnm, cred_t *cr, int flags); +extern int zfs_symlink(struct inode *dip, char *name, vattr_t *vap, + char *link, struct inode **ipp, cred_t *cr, int flags); +extern int zfs_follow_link(struct dentry *dentry, struct nameidata *nd); +extern int zfs_readlink(struct inode *ip, uio_t *uio, cred_t *cr); +extern int zfs_link(struct inode *tdip, struct inode *sip, + char *name, cred_t *cr); +extern void zfs_inactive(struct inode *ip); +extern int zfs_space(struct inode *ip, int cmd, flock64_t *bfp, int flag, + offset_t offset, cred_t *cr); +extern int zfs_fid(struct inode *ip, fid_t *fidp); +extern int zfs_getsecattr(struct inode *ip, vsecattr_t *vsecp, int flag, + cred_t *cr); +extern int zfs_setsecattr(struct inode *ip, vsecattr_t *vsecp, int flag, + cred_t *cr); +extern int zfs_getpage(struct inode *ip, struct page *pl[], int nr_pages); +extern int zfs_putpage(struct inode *ip, struct page *pp, + struct writeback_control *wbc); +extern int zfs_dirty_inode(struct inode *ip, int flags); +extern int zfs_map(struct inode *ip, offset_t off, caddr_t *addrp, + size_t len, unsigned long vm_flags); +extern void zfs_iput_async(struct inode *ip); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_VNOPS_H */ diff --git a/zfs/include/sys/zfs_znode.h b/zfs/include/sys/zfs_znode.h new file mode 100644 index 000000000000..0b8bd24c541e --- /dev/null +++ b/zfs/include/sys/zfs_znode.h @@ -0,0 +1,377 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#ifndef _SYS_FS_ZFS_ZNODE_H +#define _SYS_FS_ZFS_ZNODE_H + +#ifdef _KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#endif +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Additional file level attributes, that are stored + * in the upper half of zp_flags + */ +#define ZFS_READONLY 0x0000000100000000ull +#define ZFS_HIDDEN 0x0000000200000000ull +#define ZFS_SYSTEM 0x0000000400000000ull +#define ZFS_ARCHIVE 0x0000000800000000ull +#define ZFS_IMMUTABLE 0x0000001000000000ull +#define ZFS_NOUNLINK 0x0000002000000000ull +#define ZFS_APPENDONLY 0x0000004000000000ull +#define ZFS_NODUMP 0x0000008000000000ull +#define ZFS_OPAQUE 0x0000010000000000ull +#define ZFS_AV_QUARANTINED 0x0000020000000000ull +#define ZFS_AV_MODIFIED 0x0000040000000000ull +#define ZFS_REPARSE 0x0000080000000000ull +#define ZFS_OFFLINE 0x0000100000000000ull +#define ZFS_SPARSE 0x0000200000000000ull + +#define ZFS_ATTR_SET(zp, attr, value, pflags, tx) \ +{ \ + if (value) \ + pflags |= attr; \ + else \ + pflags &= ~attr; \ + VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(ZTOZSB(zp)), \ + &pflags, sizeof (pflags), tx)); \ +} + +/* + * Define special zfs pflags + */ +#define ZFS_XATTR 0x1 /* is an extended attribute */ +#define ZFS_INHERIT_ACE 0x2 /* ace has inheritable ACEs */ +#define ZFS_ACL_TRIVIAL 0x4 /* files ACL is trivial */ +#define ZFS_ACL_OBJ_ACE 0x8 /* ACL has CMPLX Object ACE */ +#define ZFS_ACL_PROTECTED 0x10 /* ACL protected */ +#define ZFS_ACL_DEFAULTED 0x20 /* ACL should be defaulted */ +#define ZFS_ACL_AUTO_INHERIT 0x40 /* ACL should be inherited */ +#define ZFS_BONUS_SCANSTAMP 0x80 /* Scanstamp in bonus area */ +#define ZFS_NO_EXECS_DENIED 0x100 /* exec was given to everyone */ + +#define SA_ZPL_ATIME(z) z->z_attr_table[ZPL_ATIME] +#define SA_ZPL_MTIME(z) z->z_attr_table[ZPL_MTIME] +#define SA_ZPL_CTIME(z) z->z_attr_table[ZPL_CTIME] +#define SA_ZPL_CRTIME(z) z->z_attr_table[ZPL_CRTIME] +#define SA_ZPL_GEN(z) z->z_attr_table[ZPL_GEN] +#define SA_ZPL_DACL_ACES(z) z->z_attr_table[ZPL_DACL_ACES] +#define SA_ZPL_XATTR(z) z->z_attr_table[ZPL_XATTR] +#define SA_ZPL_SYMLINK(z) z->z_attr_table[ZPL_SYMLINK] +#define SA_ZPL_RDEV(z) z->z_attr_table[ZPL_RDEV] +#define SA_ZPL_SCANSTAMP(z) z->z_attr_table[ZPL_SCANSTAMP] +#define SA_ZPL_UID(z) z->z_attr_table[ZPL_UID] +#define SA_ZPL_GID(z) z->z_attr_table[ZPL_GID] +#define SA_ZPL_PARENT(z) z->z_attr_table[ZPL_PARENT] +#define SA_ZPL_LINKS(z) z->z_attr_table[ZPL_LINKS] +#define SA_ZPL_MODE(z) z->z_attr_table[ZPL_MODE] +#define SA_ZPL_DACL_COUNT(z) z->z_attr_table[ZPL_DACL_COUNT] +#define SA_ZPL_FLAGS(z) z->z_attr_table[ZPL_FLAGS] +#define SA_ZPL_SIZE(z) z->z_attr_table[ZPL_SIZE] +#define SA_ZPL_ZNODE_ACL(z) z->z_attr_table[ZPL_ZNODE_ACL] +#define SA_ZPL_DXATTR(z) z->z_attr_table[ZPL_DXATTR] +#define SA_ZPL_PAD(z) z->z_attr_table[ZPL_PAD] + +/* + * Is ID ephemeral? + */ +#define IS_EPHEMERAL(x) (x > MAXUID) + +/* + * Should we use FUIDs? + */ +#define USE_FUIDS(version, os) (version >= ZPL_VERSION_FUID && \ + spa_version(dmu_objset_spa(os)) >= SPA_VERSION_FUID) +#define USE_SA(version, os) (version >= ZPL_VERSION_SA && \ + spa_version(dmu_objset_spa(os)) >= SPA_VERSION_SA) + +#define MASTER_NODE_OBJ 1 + +/* + * Special attributes for master node. + * "userquota@" and "groupquota@" are also valid (from + * zfs_userquota_prop_prefixes[]). + */ +#define ZFS_FSID "FSID" +#define ZFS_UNLINKED_SET "DELETE_QUEUE" +#define ZFS_ROOT_OBJ "ROOT" +#define ZPL_VERSION_STR "VERSION" +#define ZFS_FUID_TABLES "FUID" +#define ZFS_SHARES_DIR "SHARES" +#define ZFS_SA_ATTRS "SA_ATTRS" + +/* + * Path component length + * + * The generic fs code uses MAXNAMELEN to represent + * what the largest component length is. Unfortunately, + * this length includes the terminating NULL. ZFS needs + * to tell the users via pathconf() and statvfs() what the + * true maximum length of a component is, excluding the NULL. + */ +#define ZFS_MAXNAMELEN (MAXNAMELEN - 1) + +/* + * Convert mode bits (zp_mode) to BSD-style DT_* values for storing in + * the directory entries. On Linux systems this value is already + * defined correctly as part of the /usr/include/dirent.h header file. + */ +#ifndef IFTODT +#define IFTODT(mode) (((mode) & S_IFMT) >> 12) +#endif + +/* + * The directory entry has the type (currently unused on Solaris) in the + * top 4 bits, and the object number in the low 48 bits. The "middle" + * 12 bits are unused. + */ +#define ZFS_DIRENT_TYPE(de) BF64_GET(de, 60, 4) +#define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) + +/* + * Directory entry locks control access to directory entries. + * They are used to protect creates, deletes, and renames. + * Each directory znode has a mutex and a list of locked names. + */ +#ifdef _KERNEL +typedef struct zfs_dirlock { + char *dl_name; /* directory entry being locked */ + uint32_t dl_sharecnt; /* 0 if exclusive, > 0 if shared */ + uint8_t dl_namelock; /* 1 if z_name_lock is NOT held */ + uint16_t dl_namesize; /* set if dl_name was allocated */ + kcondvar_t dl_cv; /* wait for entry to be unlocked */ + struct znode *dl_dzp; /* directory znode */ + struct zfs_dirlock *dl_next; /* next in z_dirlocks list */ +} zfs_dirlock_t; + +typedef struct znode { + uint64_t z_id; /* object ID for this znode */ + kmutex_t z_lock; /* znode modification lock */ + krwlock_t z_parent_lock; /* parent lock for directories */ + krwlock_t z_name_lock; /* "master" lock for dirent locks */ + zfs_dirlock_t *z_dirlocks; /* directory entry lock list */ + zfs_rlock_t z_range_lock; /* file range lock */ + uint8_t z_unlinked; /* file has been unlinked */ + uint8_t z_atime_dirty; /* atime needs to be synced */ + uint8_t z_zn_prefetch; /* Prefetch znodes? */ + uint8_t z_moved; /* Has this znode been moved? */ + uint_t z_blksz; /* block size in bytes */ + uint_t z_seq; /* modification sequence number */ + uint64_t z_mapcnt; /* number of pages mapped to file */ + uint64_t z_gen; /* generation (cached) */ + uint64_t z_size; /* file size (cached) */ + uint64_t z_links; /* file links (cached) */ + uint64_t z_pflags; /* pflags (cached) */ + uint64_t z_uid; /* uid fuid (cached) */ + uint64_t z_gid; /* gid fuid (cached) */ + uint32_t z_sync_cnt; /* synchronous open count */ + mode_t z_mode; /* mode (cached) */ + kmutex_t z_acl_lock; /* acl data lock */ + zfs_acl_t *z_acl_cached; /* cached acl */ + krwlock_t z_xattr_lock; /* xattr data lock */ + nvlist_t *z_xattr_cached; /* cached xattrs */ + list_node_t z_link_node; /* all znodes in fs link */ + sa_handle_t *z_sa_hdl; /* handle to sa data */ + boolean_t z_is_sa; /* are we native sa? */ + boolean_t z_is_mapped; /* are we mmap'ed */ + boolean_t z_is_ctldir; /* are we .zfs entry */ + boolean_t z_is_stale; /* are we stale due to rollback? */ + struct inode z_inode; /* generic vfs inode */ +} znode_t; + +typedef struct znode_hold { + uint64_t zh_obj; /* object id */ + kmutex_t zh_lock; /* lock serializing object access */ + avl_node_t zh_node; /* avl tree linkage */ + refcount_t zh_refcount; /* active consumer reference count */ +} znode_hold_t; + +/* + * Range locking rules + * -------------------- + * 1. When truncating a file (zfs_create, zfs_setattr, zfs_space) the whole + * file range needs to be locked as RL_WRITER. Only then can the pages be + * freed etc and zp_size reset. zp_size must be set within range lock. + * 2. For writes and punching holes (zfs_write & zfs_space) just the range + * being written or freed needs to be locked as RL_WRITER. + * Multiple writes at the end of the file must coordinate zp_size updates + * to ensure data isn't lost. A compare and swap loop is currently used + * to ensure the file size is at least the offset last written. + * 3. For reads (zfs_read, zfs_get_data & zfs_putapage) just the range being + * read needs to be locked as RL_READER. A check against zp_size can then + * be made for reading beyond end of file. + */ + +/* + * Convert between znode pointers and inode pointers + */ +#define ZTOI(znode) (&((znode)->z_inode)) +#define ITOZ(inode) (container_of((inode), znode_t, z_inode)) +#define ZTOZSB(znode) ((zfs_sb_t *)(ZTOI(znode)->i_sb->s_fs_info)) +#define ITOZSB(inode) ((zfs_sb_t *)((inode)->i_sb->s_fs_info)) + +#define S_ISDEV(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISFIFO(mode)) + +/* Called on entry to each ZFS vnode and vfs operation */ +#define ZFS_ENTER(zsb) \ + { \ + rrm_enter_read(&(zsb)->z_teardown_lock, FTAG); \ + if ((zsb)->z_unmounted) { \ + ZFS_EXIT(zsb); \ + return (EIO); \ + } \ + } + +/* Must be called before exiting the vop */ +#define ZFS_EXIT(zsb) \ + { \ + rrm_exit(&(zsb)->z_teardown_lock, FTAG); \ + } + +/* Verifies the znode is valid */ +#define ZFS_VERIFY_ZP(zp) \ + if ((zp)->z_sa_hdl == NULL) { \ + ZFS_EXIT(ZTOZSB(zp)); \ + return (EIO); \ + } + +/* + * Macros for dealing with dmu_buf_hold + */ +#define ZFS_OBJ_MTX_SZ 64 +#define ZFS_OBJ_MTX_MAX (1024 * 1024) +#define ZFS_OBJ_HASH(zsb, obj) ((obj) & ((zsb->z_hold_size) - 1)) + +extern unsigned int zfs_object_mutex_size; + +/* Encode ZFS stored time values from a struct timespec */ +#define ZFS_TIME_ENCODE(tp, stmp) \ +{ \ + (stmp)[0] = (uint64_t)(tp)->tv_sec; \ + (stmp)[1] = (uint64_t)(tp)->tv_nsec; \ +} + +/* Decode ZFS stored time values to a struct timespec */ +#define ZFS_TIME_DECODE(tp, stmp) \ +{ \ + (tp)->tv_sec = (time_t)(stmp)[0]; \ + (tp)->tv_nsec = (long)(stmp)[1]; \ +} + +/* + * Timestamp defines + */ +#define ACCESSED (ATTR_ATIME) +#define STATE_CHANGED (ATTR_CTIME) +#define CONTENT_MODIFIED (ATTR_MTIME | ATTR_CTIME) + +extern int zfs_init_fs(zfs_sb_t *, znode_t **); +extern void zfs_set_dataprop(objset_t *); +extern void zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *, + dmu_tx_t *tx); +extern void zfs_tstamp_update_setup(znode_t *, uint_t, uint64_t [2], + uint64_t [2]); +extern void zfs_grow_blocksize(znode_t *, uint64_t, dmu_tx_t *); +extern int zfs_freesp(znode_t *, uint64_t, uint64_t, int, boolean_t); +extern void zfs_znode_init(void); +extern void zfs_znode_fini(void); +extern int zfs_znode_hold_compare(const void *, const void *); +extern int zfs_zget(zfs_sb_t *, uint64_t, znode_t **); +extern int zfs_rezget(znode_t *); +extern void zfs_zinactive(znode_t *); +extern void zfs_znode_delete(znode_t *, dmu_tx_t *); +extern void zfs_remove_op_tables(void); +extern int zfs_create_op_tables(void); +extern int zfs_sync(struct super_block *, int, cred_t *); +extern dev_t zfs_cmpldev(uint64_t); +extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value); +extern int zfs_get_stats(objset_t *os, nvlist_t *nv); +extern void zfs_znode_dmu_fini(znode_t *); +extern int zfs_inode_alloc(struct super_block *, struct inode **ip); +extern void zfs_inode_destroy(struct inode *); +extern void zfs_inode_update(znode_t *); +extern void zfs_mark_inode_dirty(struct inode *); + +extern void zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name, vsecattr_t *, zfs_fuid_info_t *, + vattr_t *vap); +extern int zfs_log_create_txtype(zil_create_t, vsecattr_t *vsecp, + vattr_t *vap); +extern void zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, char *name, uint64_t foid); +#define ZFS_NO_OBJECT 0 /* no object id */ +extern void zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name); +extern void zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name, char *link); +extern void zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp); +extern void zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, offset_t off, ssize_t len, int ioflag, + zil_callback_t callback, void *callback_data); +extern void zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, uint64_t off, uint64_t len); +extern void zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp); +extern void zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, + vsecattr_t *vsecp, zfs_fuid_info_t *fuidp); +extern void zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx); +extern void zfs_upgrade(zfs_sb_t *zsb, dmu_tx_t *tx); +extern int zfs_create_share_dir(zfs_sb_t *zsb, dmu_tx_t *tx); + +#if defined(HAVE_UIO_RW) +extern caddr_t zfs_map_page(page_t *, enum seg_rw); +extern void zfs_unmap_page(page_t *, caddr_t); +#endif /* HAVE_UIO_RW */ + +extern zil_get_data_t zfs_get_data; +extern zil_replay_func_t zfs_replay_vector[TX_MAX_TYPE]; +extern int zfsfstype; + +#endif /* _KERNEL */ + +extern int zfs_obj_to_path(objset_t *osp, uint64_t obj, char *buf, int len); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_ZNODE_H */ diff --git a/zfs/include/sys/zil.h b/zfs/include/sys/zil.h new file mode 100644 index 000000000000..65b14f1cd6a2 --- /dev/null +++ b/zfs/include/sys/zil.h @@ -0,0 +1,495 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#ifndef _SYS_ZIL_H +#define _SYS_ZIL_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct dsl_pool; +struct dsl_dataset; + +/* + * Intent log format: + * + * Each objset has its own intent log. The log header (zil_header_t) + * for objset N's intent log is kept in the Nth object of the SPA's + * intent_log objset. The log header points to a chain of log blocks, + * each of which contains log records (i.e., transactions) followed by + * a log block trailer (zil_trailer_t). The format of a log record + * depends on the record (or transaction) type, but all records begin + * with a common structure that defines the type, length, and txg. + */ + +/* + * Intent log header - this on disk structure holds fields to manage + * the log. All fields are 64 bit to easily handle cross architectures. + */ +typedef struct zil_header { + uint64_t zh_claim_txg; /* txg in which log blocks were claimed */ + uint64_t zh_replay_seq; /* highest replayed sequence number */ + blkptr_t zh_log; /* log chain */ + uint64_t zh_claim_blk_seq; /* highest claimed block sequence number */ + uint64_t zh_flags; /* header flags */ + uint64_t zh_claim_lr_seq; /* highest claimed lr sequence number */ + uint64_t zh_pad[3]; +} zil_header_t; + +/* + * zh_flags bit settings + */ +#define ZIL_REPLAY_NEEDED 0x1 /* replay needed - internal only */ +#define ZIL_CLAIM_LR_SEQ_VALID 0x2 /* zh_claim_lr_seq field is valid */ + +/* + * Log block chaining. + * + * Log blocks are chained together. Originally they were chained at the + * end of the block. For performance reasons the chain was moved to the + * beginning of the block which allows writes for only the data being used. + * The older position is supported for backwards compatability. + * + * The zio_eck_t contains a zec_cksum which for the intent log is + * the sequence number of this log block. A seq of 0 is invalid. + * The zec_cksum is checked by the SPA against the sequence + * number passed in the blk_cksum field of the blkptr_t + */ +typedef struct zil_chain { + uint64_t zc_pad; + blkptr_t zc_next_blk; /* next block in chain */ + uint64_t zc_nused; /* bytes in log block used */ + zio_eck_t zc_eck; /* block trailer */ +} zil_chain_t; + +#define ZIL_MIN_BLKSZ 4096ULL + +/* + * The words of a log block checksum. + */ +#define ZIL_ZC_GUID_0 0 +#define ZIL_ZC_GUID_1 1 +#define ZIL_ZC_OBJSET 2 +#define ZIL_ZC_SEQ 3 + +typedef enum zil_create { + Z_FILE, + Z_DIR, + Z_XATTRDIR, +} zil_create_t; + +/* + * size of xvattr log section. + * its composed of lr_attr_t + xvattr bitmap + 2 64 bit timestamps + * for create time and a single 64 bit integer for all of the attributes, + * and 4 64 bit integers (32 bytes) for the scanstamp. + * + */ + +#define ZIL_XVAT_SIZE(mapsize) \ + sizeof (lr_attr_t) + (sizeof (uint32_t) * (mapsize - 1)) + \ + (sizeof (uint64_t) * 7) + +/* + * Size of ACL in log. The ACE data is padded out to properly align + * on 8 byte boundary. + */ + +#define ZIL_ACE_LENGTH(x) (roundup(x, sizeof (uint64_t))) + +/* + * Intent log transaction types and record structures + */ +#define TX_CREATE 1 /* Create file */ +#define TX_MKDIR 2 /* Make directory */ +#define TX_MKXATTR 3 /* Make XATTR directory */ +#define TX_SYMLINK 4 /* Create symbolic link to a file */ +#define TX_REMOVE 5 /* Remove file */ +#define TX_RMDIR 6 /* Remove directory */ +#define TX_LINK 7 /* Create hard link to a file */ +#define TX_RENAME 8 /* Rename a file */ +#define TX_WRITE 9 /* File write */ +#define TX_TRUNCATE 10 /* Truncate a file */ +#define TX_SETATTR 11 /* Set file attributes */ +#define TX_ACL_V0 12 /* Set old formatted ACL */ +#define TX_ACL 13 /* Set ACL */ +#define TX_CREATE_ACL 14 /* create with ACL */ +#define TX_CREATE_ATTR 15 /* create + attrs */ +#define TX_CREATE_ACL_ATTR 16 /* create with ACL + attrs */ +#define TX_MKDIR_ACL 17 /* mkdir with ACL */ +#define TX_MKDIR_ATTR 18 /* mkdir with attr */ +#define TX_MKDIR_ACL_ATTR 19 /* mkdir with ACL + attrs */ +#define TX_WRITE2 20 /* dmu_sync EALREADY write */ +#define TX_MAX_TYPE 21 /* Max transaction type */ + +/* + * The transactions for mkdir, symlink, remove, rmdir, link, and rename + * may have the following bit set, indicating the original request + * specified case-insensitive handling of names. + */ +#define TX_CI ((uint64_t)0x1 << 63) /* case-insensitive behavior requested */ + +/* + * Transactions for write, truncate, setattr, acl_v0, and acl can be logged + * out of order. For convenience in the code, all such records must have + * lr_foid at the same offset. + */ +#define TX_OOO(txtype) \ + ((txtype) == TX_WRITE || \ + (txtype) == TX_TRUNCATE || \ + (txtype) == TX_SETATTR || \ + (txtype) == TX_ACL_V0 || \ + (txtype) == TX_ACL || \ + (txtype) == TX_WRITE2) + +/* + * Format of log records. + * The fields are carefully defined to allow them to be aligned + * and sized the same on sparc & intel architectures. + * Each log record has a common structure at the beginning. + * + * The log record on disk (lrc_seq) holds the sequence number of all log + * records which is used to ensure we don't replay the same record. + */ +typedef struct { /* common log record header */ + uint64_t lrc_txtype; /* intent log transaction type */ + uint64_t lrc_reclen; /* transaction record length */ + uint64_t lrc_txg; /* dmu transaction group number */ + uint64_t lrc_seq; /* see comment above */ +} lr_t; + +/* + * Common start of all out-of-order record types (TX_OOO() above). + */ +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_foid; /* object id */ +} lr_ooo_t; + +/* + * Handle option extended vattr attributes. + * + * Whenever new attributes are added the version number + * will need to be updated as will code in + * zfs_log.c and zfs_replay.c + */ +typedef struct { + uint32_t lr_attr_masksize; /* number of elements in array */ + uint32_t lr_attr_bitmap; /* First entry of array */ + /* remainder of array and any additional fields */ +} lr_attr_t; + +/* + * log record for creates without optional ACL. + * This log record does support optional xvattr_t attributes. + */ +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_doid; /* object id of directory */ + uint64_t lr_foid; /* object id of created file object */ + uint64_t lr_mode; /* mode of object */ + uint64_t lr_uid; /* uid of object */ + uint64_t lr_gid; /* gid of object */ + uint64_t lr_gen; /* generation (txg of creation) */ + uint64_t lr_crtime[2]; /* creation time */ + uint64_t lr_rdev; /* rdev of object to create */ + /* name of object to create follows this */ + /* for symlinks, link content follows name */ + /* for creates with xvattr data, the name follows the xvattr info */ +} lr_create_t; + +/* + * FUID ACL record will be an array of ACEs from the original ACL. + * If this array includes ephemeral IDs, the record will also include + * an array of log-specific FUIDs to replace the ephemeral IDs. + * Only one copy of each unique domain will be present, so the log-specific + * FUIDs will use an index into a compressed domain table. On replay this + * information will be used to construct real FUIDs (and bypass idmap, + * since it may not be available). + */ + +/* + * Log record for creates with optional ACL + * This log record is also used for recording any FUID + * information needed for replaying the create. If the + * file doesn't have any actual ACEs then the lr_aclcnt + * would be zero. + * + * After lr_acl_flags, there are a lr_acl_bytes number of variable sized ace's. + * If create is also setting xvattr's, then acl data follows xvattr. + * If ACE FUIDs are needed then they will follow the xvattr_t. Following + * the FUIDs will be the domain table information. The FUIDs for the owner + * and group will be in lr_create. Name follows ACL data. + */ +typedef struct { + lr_create_t lr_create; /* common create portion */ + uint64_t lr_aclcnt; /* number of ACEs in ACL */ + uint64_t lr_domcnt; /* number of unique domains */ + uint64_t lr_fuidcnt; /* number of real fuids */ + uint64_t lr_acl_bytes; /* number of bytes in ACL */ + uint64_t lr_acl_flags; /* ACL flags */ +} lr_acl_create_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_doid; /* obj id of directory */ + /* name of object to remove follows this */ +} lr_remove_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_doid; /* obj id of directory */ + uint64_t lr_link_obj; /* obj id of link */ + /* name of object to link follows this */ +} lr_link_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_sdoid; /* obj id of source directory */ + uint64_t lr_tdoid; /* obj id of target directory */ + /* 2 strings: names of source and destination follow this */ +} lr_rename_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_foid; /* file object to write */ + uint64_t lr_offset; /* offset to write to */ + uint64_t lr_length; /* user data length to write */ + uint64_t lr_blkoff; /* no longer used */ + blkptr_t lr_blkptr; /* spa block pointer for replay */ + /* write data will follow for small writes */ +} lr_write_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_foid; /* object id of file to truncate */ + uint64_t lr_offset; /* offset to truncate from */ + uint64_t lr_length; /* length to truncate */ +} lr_truncate_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_foid; /* file object to change attributes */ + uint64_t lr_mask; /* mask of attributes to set */ + uint64_t lr_mode; /* mode to set */ + uint64_t lr_uid; /* uid to set */ + uint64_t lr_gid; /* gid to set */ + uint64_t lr_size; /* size to set */ + uint64_t lr_atime[2]; /* access time */ + uint64_t lr_mtime[2]; /* modification time */ + /* optional attribute lr_attr_t may be here */ +} lr_setattr_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_foid; /* obj id of file */ + uint64_t lr_aclcnt; /* number of acl entries */ + /* lr_aclcnt number of ace_t entries follow this */ +} lr_acl_v0_t; + +typedef struct { + lr_t lr_common; /* common portion of log record */ + uint64_t lr_foid; /* obj id of file */ + uint64_t lr_aclcnt; /* number of ACEs in ACL */ + uint64_t lr_domcnt; /* number of unique domains */ + uint64_t lr_fuidcnt; /* number of real fuids */ + uint64_t lr_acl_bytes; /* number of bytes in ACL */ + uint64_t lr_acl_flags; /* ACL flags */ + /* lr_acl_bytes number of variable sized ace's follows */ +} lr_acl_t; + +/* + * ZIL structure definitions, interface function prototype and globals. + */ + +/* + * Writes are handled in three different ways: + * + * WR_INDIRECT: + * In this mode, if we need to commit the write later, then the block + * is immediately written into the file system (using dmu_sync), + * and a pointer to the block is put into the log record. + * When the txg commits the block is linked in. + * This saves additionally writing the data into the log record. + * There are a few requirements for this to occur: + * - write is greater than zfs/zvol_immediate_write_sz + * - not using slogs (as slogs are assumed to always be faster + * than writing into the main pool) + * - the write occupies only one block + * WR_COPIED: + * If we know we'll immediately be committing the + * transaction (FSYNC or FDSYNC), the we allocate a larger + * log record here for the data and copy the data in. + * WR_NEED_COPY: + * Otherwise we don't allocate a buffer, and *if* we need to + * flush the write later then a buffer is allocated and + * we retrieve the data using the dmu. + */ +typedef enum { + WR_INDIRECT, /* indirect - a large write (dmu_sync() data */ + /* and put blkptr in log, rather than actual data) */ + WR_COPIED, /* immediate - data is copied into lr_write_t */ + WR_NEED_COPY, /* immediate - data needs to be copied if pushed */ + WR_NUM_STATES /* number of states */ +} itx_wr_state_t; + +typedef void (*zil_callback_t)(void *data); + +typedef struct itx { + list_node_t itx_node; /* linkage on zl_itx_list */ + void *itx_private; /* type-specific opaque data */ + itx_wr_state_t itx_wr_state; /* write state */ + uint8_t itx_sync; /* synchronous transaction */ + zil_callback_t itx_callback; /* Called when the itx is persistent */ + void *itx_callback_data; /* User data for the callback */ + uint64_t itx_sod; /* record size on disk */ + uint64_t itx_oid; /* object id */ + lr_t itx_lr; /* common part of log record */ + /* followed by type-specific part of lr_xx_t and its immediate data */ +} itx_t; + +/* + * Used for zil kstat. + */ +typedef struct zil_stats { + /* + * Number of times a ZIL commit (e.g. fsync) has been requested. + */ + kstat_named_t zil_commit_count; + + /* + * Number of times the ZIL has been flushed to stable storage. + * This is less than zil_commit_count when commits are "merged" + * (see the documentation above zil_commit()). + */ + kstat_named_t zil_commit_writer_count; + + /* + * Number of transactions (reads, writes, renames, etc.) + * that have been commited. + */ + kstat_named_t zil_itx_count; + + /* + * See the documentation for itx_wr_state_t above. + * Note that "bytes" accumulates the length of the transactions + * (i.e. data), not the actual log record sizes. + */ + kstat_named_t zil_itx_indirect_count; + kstat_named_t zil_itx_indirect_bytes; + kstat_named_t zil_itx_copied_count; + kstat_named_t zil_itx_copied_bytes; + kstat_named_t zil_itx_needcopy_count; + kstat_named_t zil_itx_needcopy_bytes; + + /* + * Transactions which have been allocated to the "normal" + * (i.e. not slog) storage pool. Note that "bytes" accumulate + * the actual log record sizes - which do not include the actual + * data in case of indirect writes. + */ + kstat_named_t zil_itx_metaslab_normal_count; + kstat_named_t zil_itx_metaslab_normal_bytes; + + /* + * Transactions which have been allocated to the "slog" storage pool. + * If there are no separate log devices, this is the same as the + * "normal" pool. + */ + kstat_named_t zil_itx_metaslab_slog_count; + kstat_named_t zil_itx_metaslab_slog_bytes; +} zil_stats_t; + +extern zil_stats_t zil_stats; + +#define ZIL_STAT_INCR(stat, val) \ + atomic_add_64(&zil_stats.stat.value.ui64, (val)); +#define ZIL_STAT_BUMP(stat) \ + ZIL_STAT_INCR(stat, 1); + +typedef int zil_parse_blk_func_t(zilog_t *zilog, blkptr_t *bp, void *arg, + uint64_t txg); +typedef int zil_parse_lr_func_t(zilog_t *zilog, lr_t *lr, void *arg, + uint64_t txg); +typedef int (*const zil_replay_func_t)(void *, char *, boolean_t); +typedef int zil_get_data_t(void *arg, lr_write_t *lr, char *dbuf, zio_t *zio); + +extern int zil_parse(zilog_t *zilog, zil_parse_blk_func_t *parse_blk_func, + zil_parse_lr_func_t *parse_lr_func, void *arg, uint64_t txg); + +extern void zil_init(void); +extern void zil_fini(void); + +extern zilog_t *zil_alloc(objset_t *os, zil_header_t *zh_phys); +extern void zil_free(zilog_t *zilog); + +extern zilog_t *zil_open(objset_t *os, zil_get_data_t *get_data); +extern void zil_close(zilog_t *zilog); + +extern void zil_replay(objset_t *os, void *arg, + zil_replay_func_t replay_func[TX_MAX_TYPE]); +extern boolean_t zil_replaying(zilog_t *zilog, dmu_tx_t *tx); +extern void zil_destroy(zilog_t *zilog, boolean_t keep_first); +extern void zil_destroy_sync(zilog_t *zilog, dmu_tx_t *tx); + +extern itx_t *zil_itx_create(uint64_t txtype, size_t lrsize); +extern void zil_itx_destroy(itx_t *itx); +extern void zil_itx_assign(zilog_t *zilog, itx_t *itx, dmu_tx_t *tx); + +extern void zil_commit(zilog_t *zilog, uint64_t oid); + +extern int zil_vdev_offline(const char *osname, void *txarg); +extern int zil_claim(struct dsl_pool *dp, + struct dsl_dataset *ds, void *txarg); +extern int zil_check_log_chain(struct dsl_pool *dp, + struct dsl_dataset *ds, void *tx); +extern void zil_sync(zilog_t *zilog, dmu_tx_t *tx); +extern void zil_clean(zilog_t *zilog, uint64_t synced_txg); + +extern int zil_suspend(const char *osname, void **cookiep); +extern void zil_resume(void *cookie); + +extern void zil_add_block(zilog_t *zilog, const blkptr_t *bp); +extern int zil_bp_tree_add(zilog_t *zilog, const blkptr_t *bp); + +extern void zil_set_sync(zilog_t *zilog, uint64_t syncval); + +extern void zil_set_logbias(zilog_t *zilog, uint64_t slogval); + +extern int zil_replay_disable; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZIL_H */ diff --git a/zfs/include/sys/zil_impl.h b/zfs/include/sys/zil_impl.h new file mode 100644 index 000000000000..0c426a15dd06 --- /dev/null +++ b/zfs/include/sys/zil_impl.h @@ -0,0 +1,150 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#ifndef _SYS_ZIL_IMPL_H +#define _SYS_ZIL_IMPL_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Log write buffer. + */ +typedef struct lwb { + zilog_t *lwb_zilog; /* back pointer to log struct */ + blkptr_t lwb_blk; /* on disk address of this log blk */ + boolean_t lwb_fastwrite; /* is blk marked for fastwrite? */ + int lwb_nused; /* # used bytes in buffer */ + int lwb_sz; /* size of block and buffer */ + char *lwb_buf; /* log write buffer */ + zio_t *lwb_zio; /* zio for this buffer */ + dmu_tx_t *lwb_tx; /* tx for log block allocation */ + uint64_t lwb_max_txg; /* highest txg in this lwb */ + list_node_t lwb_node; /* zilog->zl_lwb_list linkage */ +} lwb_t; + +/* + * Intent log transaction lists + */ +typedef struct itxs { + list_t i_sync_list; /* list of synchronous itxs */ + avl_tree_t i_async_tree; /* tree of foids for async itxs */ +} itxs_t; + +typedef struct itxg { + kmutex_t itxg_lock; /* lock for this structure */ + uint64_t itxg_txg; /* txg for this chain */ + uint64_t itxg_sod; /* total size on disk for this txg */ + itxs_t *itxg_itxs; /* sync and async itxs */ +} itxg_t; + +/* for async nodes we build up an AVL tree of lists of async itxs per file */ +typedef struct itx_async_node { + uint64_t ia_foid; /* file object id */ + list_t ia_list; /* list of async itxs for this foid */ + avl_node_t ia_node; /* AVL tree linkage */ +} itx_async_node_t; + +/* + * Vdev flushing: during a zil_commit(), we build up an AVL tree of the vdevs + * we've touched so we know which ones need a write cache flush at the end. + */ +typedef struct zil_vdev_node { + uint64_t zv_vdev; /* vdev to be flushed */ + avl_node_t zv_node; /* AVL tree linkage */ +} zil_vdev_node_t; + +#define ZIL_PREV_BLKS 16 + +/* + * Stable storage intent log management structure. One per dataset. + */ +struct zilog { + kmutex_t zl_lock; /* protects most zilog_t fields */ + struct dsl_pool *zl_dmu_pool; /* DSL pool */ + spa_t *zl_spa; /* handle for read/write log */ + const zil_header_t *zl_header; /* log header buffer */ + objset_t *zl_os; /* object set we're logging */ + zil_get_data_t *zl_get_data; /* callback to get object content */ + zio_t *zl_root_zio; /* log writer root zio */ + uint64_t zl_lr_seq; /* on-disk log record sequence number */ + uint64_t zl_commit_lr_seq; /* last committed on-disk lr seq */ + uint64_t zl_destroy_txg; /* txg of last zil_destroy() */ + uint64_t zl_replayed_seq[TXG_SIZE]; /* last replayed rec seq */ + uint64_t zl_replaying_seq; /* current replay seq number */ + uint32_t zl_suspend; /* log suspend count */ + kcondvar_t zl_cv_writer; /* log writer thread completion */ + kcondvar_t zl_cv_suspend; /* log suspend completion */ + uint8_t zl_suspending; /* log is currently suspending */ + uint8_t zl_keep_first; /* keep first log block in destroy */ + uint8_t zl_replay; /* replaying records while set */ + uint8_t zl_stop_sync; /* for debugging */ + uint8_t zl_writer; /* boolean: write setup in progress */ + uint8_t zl_logbias; /* latency or throughput */ + uint8_t zl_sync; /* synchronous or asynchronous */ + int zl_parse_error; /* last zil_parse() error */ + uint64_t zl_parse_blk_seq; /* highest blk seq on last parse */ + uint64_t zl_parse_lr_seq; /* highest lr seq on last parse */ + uint64_t zl_parse_blk_count; /* number of blocks parsed */ + uint64_t zl_parse_lr_count; /* number of log records parsed */ + uint64_t zl_next_batch; /* next batch number */ + uint64_t zl_com_batch; /* committed batch number */ + kcondvar_t zl_cv_batch[2]; /* batch condition variables */ + itxg_t zl_itxg[TXG_SIZE]; /* intent log txg chains */ + list_t zl_itx_commit_list; /* itx list to be committed */ + uint64_t zl_itx_list_sz; /* total size of records on list */ + uint64_t zl_cur_used; /* current commit log size used */ + list_t zl_lwb_list; /* in-flight log write list */ + kmutex_t zl_vdev_lock; /* protects zl_vdev_tree */ + avl_tree_t zl_vdev_tree; /* vdevs to flush in zil_commit() */ + taskq_t *zl_clean_taskq; /* runs lwb and itx clean tasks */ + avl_tree_t zl_bp_tree; /* track bps during log parse */ + clock_t zl_replay_time; /* lbolt of when replay started */ + uint64_t zl_replay_blks; /* number of log blocks replayed */ + zil_header_t zl_old_header; /* debugging aid */ + uint_t zl_prev_blks[ZIL_PREV_BLKS]; /* size - sector rounded */ + uint_t zl_prev_rotor; /* rotor for zl_prev[] */ + txg_node_t zl_dirty_link; /* protected by dp_dirty_zilogs list */ +}; + +typedef struct zil_bp_node { + dva_t zn_dva; + avl_node_t zn_node; +} zil_bp_node_t; + +#define ZIL_MAX_LOG_DATA (SPA_OLD_MAXBLOCKSIZE - sizeof (zil_chain_t) - \ + sizeof (lr_write_t)) + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZIL_IMPL_H */ diff --git a/zfs/include/sys/zio.h b/zfs/include/sys/zio.h new file mode 100644 index 000000000000..4916d87249ea --- /dev/null +++ b/zfs/include/sys/zio.h @@ -0,0 +1,609 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + */ + +#ifndef _ZIO_H +#define _ZIO_H + +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Embedded checksum + */ +#define ZEC_MAGIC 0x210da7ab10c7a11ULL + +typedef struct zio_eck { + uint64_t zec_magic; /* for validation, endianness */ + zio_cksum_t zec_cksum; /* 256-bit checksum */ +} zio_eck_t; + +/* + * Gang block headers are self-checksumming and contain an array + * of block pointers. + */ +#define SPA_GANGBLOCKSIZE SPA_MINBLOCKSIZE +#define SPA_GBH_NBLKPTRS ((SPA_GANGBLOCKSIZE - \ + sizeof (zio_eck_t)) / sizeof (blkptr_t)) +#define SPA_GBH_FILLER ((SPA_GANGBLOCKSIZE - \ + sizeof (zio_eck_t) - \ + (SPA_GBH_NBLKPTRS * sizeof (blkptr_t))) /\ + sizeof (uint64_t)) + +typedef struct zio_gbh { + blkptr_t zg_blkptr[SPA_GBH_NBLKPTRS]; + uint64_t zg_filler[SPA_GBH_FILLER]; + zio_eck_t zg_tail; +} zio_gbh_phys_t; + +enum zio_checksum { + ZIO_CHECKSUM_INHERIT = 0, + ZIO_CHECKSUM_ON, + ZIO_CHECKSUM_OFF, + ZIO_CHECKSUM_LABEL, + ZIO_CHECKSUM_GANG_HEADER, + ZIO_CHECKSUM_ZILOG, + ZIO_CHECKSUM_FLETCHER_2, + ZIO_CHECKSUM_FLETCHER_4, + ZIO_CHECKSUM_SHA256, + ZIO_CHECKSUM_ZILOG2, + ZIO_CHECKSUM_FUNCTIONS +}; + +/* + * The number of "legacy" compression functions which can be set on individual + * objects. + */ +#define ZIO_CHECKSUM_LEGACY_FUNCTIONS ZIO_CHECKSUM_ZILOG2 + +#define ZIO_CHECKSUM_ON_VALUE ZIO_CHECKSUM_FLETCHER_4 +#define ZIO_CHECKSUM_DEFAULT ZIO_CHECKSUM_ON + +#define ZIO_CHECKSUM_MASK 0xffULL +#define ZIO_CHECKSUM_VERIFY (1 << 8) + +#define ZIO_DEDUPCHECKSUM ZIO_CHECKSUM_SHA256 +#define ZIO_DEDUPDITTO_MIN 100 + +enum zio_compress { + ZIO_COMPRESS_INHERIT = 0, + ZIO_COMPRESS_ON, + ZIO_COMPRESS_OFF, + ZIO_COMPRESS_LZJB, + ZIO_COMPRESS_EMPTY, + ZIO_COMPRESS_GZIP_1, + ZIO_COMPRESS_GZIP_2, + ZIO_COMPRESS_GZIP_3, + ZIO_COMPRESS_GZIP_4, + ZIO_COMPRESS_GZIP_5, + ZIO_COMPRESS_GZIP_6, + ZIO_COMPRESS_GZIP_7, + ZIO_COMPRESS_GZIP_8, + ZIO_COMPRESS_GZIP_9, + ZIO_COMPRESS_ZLE, + ZIO_COMPRESS_LZ4, + ZIO_COMPRESS_FUNCTIONS +}; + +/* + * The number of "legacy" compression functions which can be set on individual + * objects. + */ +#define ZIO_COMPRESS_LEGACY_FUNCTIONS ZIO_COMPRESS_LZ4 + +/* + * The meaning of "compress = on" selected by the compression features enabled + * on a given pool. + */ +#define ZIO_COMPRESS_LEGACY_ON_VALUE ZIO_COMPRESS_LZJB +#define ZIO_COMPRESS_LZ4_ON_VALUE ZIO_COMPRESS_LZ4 + +#define ZIO_COMPRESS_DEFAULT ZIO_COMPRESS_OFF + +#define BOOTFS_COMPRESS_VALID(compress) \ + ((compress) == ZIO_COMPRESS_LZJB || \ + (compress) == ZIO_COMPRESS_LZ4 || \ + (compress) == ZIO_COMPRESS_ON || \ + (compress) == ZIO_COMPRESS_OFF) + +/* + * Default Linux timeout for a sd device. + */ +#define ZIO_DELAY_MAX (30 * MILLISEC) + +#define ZIO_FAILURE_MODE_WAIT 0 +#define ZIO_FAILURE_MODE_CONTINUE 1 +#define ZIO_FAILURE_MODE_PANIC 2 + +typedef enum zio_priority { + ZIO_PRIORITY_SYNC_READ, + ZIO_PRIORITY_SYNC_WRITE, /* ZIL */ + ZIO_PRIORITY_ASYNC_READ, /* prefetch */ + ZIO_PRIORITY_ASYNC_WRITE, /* spa_sync() */ + ZIO_PRIORITY_SCRUB, /* asynchronous scrub/resilver reads */ + ZIO_PRIORITY_NUM_QUEUEABLE, + + ZIO_PRIORITY_NOW /* non-queued i/os (e.g. free) */ +} zio_priority_t; + +enum zio_flag { + /* + * Flags inherited by gang, ddt, and vdev children, + * and that must be equal for two zios to aggregate + */ + ZIO_FLAG_DONT_AGGREGATE = 1 << 0, + ZIO_FLAG_IO_REPAIR = 1 << 1, + ZIO_FLAG_SELF_HEAL = 1 << 2, + ZIO_FLAG_RESILVER = 1 << 3, + ZIO_FLAG_SCRUB = 1 << 4, + ZIO_FLAG_SCAN_THREAD = 1 << 5, + ZIO_FLAG_PHYSICAL = 1 << 6, + +#define ZIO_FLAG_AGG_INHERIT (ZIO_FLAG_CANFAIL - 1) + + /* + * Flags inherited by ddt, gang, and vdev children. + */ + ZIO_FLAG_CANFAIL = 1 << 7, /* must be first for INHERIT */ + ZIO_FLAG_SPECULATIVE = 1 << 8, + ZIO_FLAG_CONFIG_WRITER = 1 << 9, + ZIO_FLAG_DONT_RETRY = 1 << 10, + ZIO_FLAG_DONT_CACHE = 1 << 11, + ZIO_FLAG_NODATA = 1 << 12, + ZIO_FLAG_INDUCE_DAMAGE = 1 << 13, + +#define ZIO_FLAG_DDT_INHERIT (ZIO_FLAG_IO_RETRY - 1) +#define ZIO_FLAG_GANG_INHERIT (ZIO_FLAG_IO_RETRY - 1) + + /* + * Flags inherited by vdev children. + */ + ZIO_FLAG_IO_RETRY = 1 << 14, /* must be first for INHERIT */ + ZIO_FLAG_PROBE = 1 << 15, + ZIO_FLAG_TRYHARD = 1 << 16, + ZIO_FLAG_OPTIONAL = 1 << 17, + +#define ZIO_FLAG_VDEV_INHERIT (ZIO_FLAG_DONT_QUEUE - 1) + + /* + * Flags not inherited by any children. + */ + ZIO_FLAG_DONT_QUEUE = 1 << 18, /* must be first for INHERIT */ + ZIO_FLAG_DONT_PROPAGATE = 1 << 19, + ZIO_FLAG_IO_BYPASS = 1 << 20, + ZIO_FLAG_IO_REWRITE = 1 << 21, + ZIO_FLAG_RAW = 1 << 22, + ZIO_FLAG_GANG_CHILD = 1 << 23, + ZIO_FLAG_DDT_CHILD = 1 << 24, + ZIO_FLAG_GODFATHER = 1 << 25, + ZIO_FLAG_NOPWRITE = 1 << 26, + ZIO_FLAG_REEXECUTED = 1 << 27, + ZIO_FLAG_DELEGATED = 1 << 28, + ZIO_FLAG_FASTWRITE = 1 << 29, +}; + +#define ZIO_FLAG_MUSTSUCCEED 0 + +#define ZIO_DDT_CHILD_FLAGS(zio) \ + (((zio)->io_flags & ZIO_FLAG_DDT_INHERIT) | \ + ZIO_FLAG_DDT_CHILD | ZIO_FLAG_CANFAIL) + +#define ZIO_GANG_CHILD_FLAGS(zio) \ + (((zio)->io_flags & ZIO_FLAG_GANG_INHERIT) | \ + ZIO_FLAG_GANG_CHILD | ZIO_FLAG_CANFAIL) + +#define ZIO_VDEV_CHILD_FLAGS(zio) \ + (((zio)->io_flags & ZIO_FLAG_VDEV_INHERIT) | \ + ZIO_FLAG_CANFAIL) + +enum zio_child { + ZIO_CHILD_VDEV = 0, + ZIO_CHILD_GANG, + ZIO_CHILD_DDT, + ZIO_CHILD_LOGICAL, + ZIO_CHILD_TYPES +}; + +enum zio_wait_type { + ZIO_WAIT_READY = 0, + ZIO_WAIT_DONE, + ZIO_WAIT_TYPES +}; + +/* + * We'll take the unused errnos, 'EBADE' and 'EBADR' (from the Convergent + * graveyard) to indicate checksum errors and fragmentation. + */ +#define ECKSUM EBADE +#define EFRAGS EBADR + +typedef void zio_done_func_t(zio_t *zio); + +extern const char *zio_type_name[ZIO_TYPES]; + +/* + * A bookmark is a four-tuple that uniquely + * identifies any block in the pool. By convention, the meta-objset (MOS) + * is objset 0, and the meta-dnode is object 0. This covers all blocks + * except root blocks and ZIL blocks, which are defined as follows: + * + * Root blocks (objset_phys_t) are object 0, level -1: . + * ZIL blocks are bookmarked . + * dmu_sync()ed ZIL data blocks are bookmarked . + * + * Note: this structure is called a bookmark because its original purpose + * was to remember where to resume a pool-wide traverse. + * + * Note: this structure is passed between userland and the kernel, and is + * stored on disk (by virtue of being incorporated into other on-disk + * structures, e.g. dsl_scan_phys_t). + */ +struct zbookmark_phys { + uint64_t zb_objset; + uint64_t zb_object; + int64_t zb_level; + uint64_t zb_blkid; +}; + +#define SET_BOOKMARK(zb, objset, object, level, blkid) \ +{ \ + (zb)->zb_objset = objset; \ + (zb)->zb_object = object; \ + (zb)->zb_level = level; \ + (zb)->zb_blkid = blkid; \ +} + +#define ZB_DESTROYED_OBJSET (-1ULL) + +#define ZB_ROOT_OBJECT (0ULL) +#define ZB_ROOT_LEVEL (-1LL) +#define ZB_ROOT_BLKID (0ULL) + +#define ZB_ZIL_OBJECT (0ULL) +#define ZB_ZIL_LEVEL (-2LL) + +#define ZB_IS_ZERO(zb) \ + ((zb)->zb_objset == 0 && (zb)->zb_object == 0 && \ + (zb)->zb_level == 0 && (zb)->zb_blkid == 0) +#define ZB_IS_ROOT(zb) \ + ((zb)->zb_object == ZB_ROOT_OBJECT && \ + (zb)->zb_level == ZB_ROOT_LEVEL && \ + (zb)->zb_blkid == ZB_ROOT_BLKID) + +typedef struct zio_prop { + enum zio_checksum zp_checksum; + enum zio_compress zp_compress; + dmu_object_type_t zp_type; + uint8_t zp_level; + uint8_t zp_copies; + boolean_t zp_dedup; + boolean_t zp_dedup_verify; + boolean_t zp_nopwrite; +} zio_prop_t; + +typedef struct zio_cksum_report zio_cksum_report_t; + +typedef void zio_cksum_finish_f(zio_cksum_report_t *rep, + const void *good_data); +typedef void zio_cksum_free_f(void *cbdata, size_t size); + +struct zio_bad_cksum; /* defined in zio_checksum.h */ +struct dnode_phys; + +struct zio_cksum_report { + struct zio_cksum_report *zcr_next; + nvlist_t *zcr_ereport; + nvlist_t *zcr_detector; + void *zcr_cbdata; + size_t zcr_cbinfo; /* passed to zcr_free() */ + uint64_t zcr_align; + uint64_t zcr_length; + zio_cksum_finish_f *zcr_finish; + zio_cksum_free_f *zcr_free; + + /* internal use only */ + struct zio_bad_cksum *zcr_ckinfo; /* information from failure */ +}; + +typedef void zio_vsd_cksum_report_f(zio_t *zio, zio_cksum_report_t *zcr, + void *arg); + +zio_vsd_cksum_report_f zio_vsd_default_cksum_report; + +typedef struct zio_vsd_ops { + zio_done_func_t *vsd_free; + zio_vsd_cksum_report_f *vsd_cksum_report; +} zio_vsd_ops_t; + +typedef struct zio_gang_node { + zio_gbh_phys_t *gn_gbh; + struct zio_gang_node *gn_child[SPA_GBH_NBLKPTRS]; +} zio_gang_node_t; + +typedef zio_t *zio_gang_issue_func_t(zio_t *zio, blkptr_t *bp, + zio_gang_node_t *gn, void *data); + +typedef void zio_transform_func_t(zio_t *zio, void *data, uint64_t size); + +typedef struct zio_transform { + void *zt_orig_data; + uint64_t zt_orig_size; + uint64_t zt_bufsize; + zio_transform_func_t *zt_transform; + struct zio_transform *zt_next; +} zio_transform_t; + +typedef int zio_pipe_stage_t(zio_t *zio); + +/* + * The io_reexecute flags are distinct from io_flags because the child must + * be able to propagate them to the parent. The normal io_flags are local + * to the zio, not protected by any lock, and not modifiable by children; + * the reexecute flags are protected by io_lock, modifiable by children, + * and always propagated -- even when ZIO_FLAG_DONT_PROPAGATE is set. + */ +#define ZIO_REEXECUTE_NOW 0x01 +#define ZIO_REEXECUTE_SUSPEND 0x02 + +typedef struct zio_link { + zio_t *zl_parent; + zio_t *zl_child; + list_node_t zl_parent_node; + list_node_t zl_child_node; +} zio_link_t; + +struct zio { + /* Core information about this I/O */ + zbookmark_phys_t io_bookmark; + zio_prop_t io_prop; + zio_type_t io_type; + enum zio_child io_child_type; + int io_cmd; + zio_priority_t io_priority; + uint8_t io_reexecute; + uint8_t io_state[ZIO_WAIT_TYPES]; + uint64_t io_txg; + spa_t *io_spa; + blkptr_t *io_bp; + blkptr_t *io_bp_override; + blkptr_t io_bp_copy; + list_t io_parent_list; + list_t io_child_list; + zio_link_t *io_walk_link; + zio_t *io_logical; + zio_transform_t *io_transform_stack; + + /* Callback info */ + zio_done_func_t *io_ready; + zio_done_func_t *io_physdone; + zio_done_func_t *io_done; + void *io_private; + int64_t io_prev_space_delta; /* DMU private */ + blkptr_t io_bp_orig; + + /* Data represented by this I/O */ + void *io_data; + void *io_orig_data; + uint64_t io_size; + uint64_t io_orig_size; + + /* Stuff for the vdev stack */ + vdev_t *io_vd; + void *io_vsd; + const zio_vsd_ops_t *io_vsd_ops; + + uint64_t io_offset; + hrtime_t io_timestamp; /* submitted at */ + hrtime_t io_delta; /* vdev queue service delta */ + uint64_t io_delay; /* vdev disk service delta (ticks) */ + avl_node_t io_queue_node; + avl_node_t io_offset_node; + + /* Internal pipeline state */ + enum zio_flag io_flags; + enum zio_stage io_stage; + enum zio_stage io_pipeline; + enum zio_flag io_orig_flags; + enum zio_stage io_orig_stage; + enum zio_stage io_orig_pipeline; + int io_error; + int io_child_error[ZIO_CHILD_TYPES]; + uint64_t io_children[ZIO_CHILD_TYPES][ZIO_WAIT_TYPES]; + uint64_t io_child_count; + uint64_t io_phys_children; + uint64_t io_parent_count; + uint64_t *io_stall; + zio_t *io_gang_leader; + zio_gang_node_t *io_gang_tree; + void *io_executor; + void *io_waiter; + kmutex_t io_lock; + kcondvar_t io_cv; + + /* FMA state */ + zio_cksum_report_t *io_cksum_report; + uint64_t io_ena; + + /* Taskq dispatching state */ + taskq_ent_t io_tqent; +}; + +extern zio_t *zio_null(zio_t *pio, spa_t *spa, vdev_t *vd, + zio_done_func_t *done, void *private, enum zio_flag flags); + +extern zio_t *zio_root(spa_t *spa, + zio_done_func_t *done, void *private, enum zio_flag flags); + +extern zio_t *zio_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, void *data, + uint64_t size, zio_done_func_t *done, void *private, + zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb); + +extern zio_t *zio_write(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp, + void *data, uint64_t size, const zio_prop_t *zp, + zio_done_func_t *ready, zio_done_func_t *physdone, zio_done_func_t *done, + void *private, + zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb); + +extern zio_t *zio_rewrite(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp, + void *data, uint64_t size, zio_done_func_t *done, void *private, + zio_priority_t priority, enum zio_flag flags, zbookmark_phys_t *zb); + +extern void zio_write_override(zio_t *zio, blkptr_t *bp, int copies, + boolean_t nopwrite); + +extern void zio_free(spa_t *spa, uint64_t txg, const blkptr_t *bp); + +extern zio_t *zio_claim(zio_t *pio, spa_t *spa, uint64_t txg, + const blkptr_t *bp, + zio_done_func_t *done, void *private, enum zio_flag flags); + +extern zio_t *zio_ioctl(zio_t *pio, spa_t *spa, vdev_t *vd, int cmd, + zio_done_func_t *done, void *private, enum zio_flag flags); + +extern zio_t *zio_read_phys(zio_t *pio, vdev_t *vd, uint64_t offset, + uint64_t size, void *data, int checksum, + zio_done_func_t *done, void *private, zio_priority_t priority, + enum zio_flag flags, boolean_t labels); + +extern zio_t *zio_write_phys(zio_t *pio, vdev_t *vd, uint64_t offset, + uint64_t size, void *data, int checksum, + zio_done_func_t *done, void *private, zio_priority_t priority, + enum zio_flag flags, boolean_t labels); + +extern zio_t *zio_free_sync(zio_t *pio, spa_t *spa, uint64_t txg, + const blkptr_t *bp, enum zio_flag flags); + +extern int zio_alloc_zil(spa_t *spa, uint64_t txg, blkptr_t *new_bp, + uint64_t size, boolean_t use_slog); +extern void zio_free_zil(spa_t *spa, uint64_t txg, blkptr_t *bp); +extern void zio_flush(zio_t *zio, vdev_t *vd); +extern void zio_shrink(zio_t *zio, uint64_t size); + +extern int zio_wait(zio_t *zio); +extern void zio_nowait(zio_t *zio); +extern void zio_execute(zio_t *zio); +extern void zio_interrupt(zio_t *zio); + +extern zio_t *zio_walk_parents(zio_t *cio); +extern zio_t *zio_walk_children(zio_t *pio); +extern zio_t *zio_unique_parent(zio_t *cio); +extern void zio_add_child(zio_t *pio, zio_t *cio); + +extern void *zio_buf_alloc(size_t size); +extern void zio_buf_free(void *buf, size_t size); +extern void *zio_data_buf_alloc(size_t size); +extern void zio_data_buf_free(void *buf, size_t size); +extern void *zio_buf_alloc_flags(size_t size, int flags); + +extern void zio_resubmit_stage_async(void *); + +extern zio_t *zio_vdev_child_io(zio_t *zio, blkptr_t *bp, vdev_t *vd, + uint64_t offset, void *data, uint64_t size, int type, + zio_priority_t priority, enum zio_flag flags, + zio_done_func_t *done, void *private); + +extern zio_t *zio_vdev_delegated_io(vdev_t *vd, uint64_t offset, + void *data, uint64_t size, int type, zio_priority_t priority, + enum zio_flag flags, zio_done_func_t *done, void *private); + +extern void zio_vdev_io_bypass(zio_t *zio); +extern void zio_vdev_io_reissue(zio_t *zio); +extern void zio_vdev_io_redone(zio_t *zio); + +extern void zio_checksum_verified(zio_t *zio); +extern int zio_worst_error(int e1, int e2); + +extern enum zio_checksum zio_checksum_select(enum zio_checksum child, + enum zio_checksum parent); +extern enum zio_checksum zio_checksum_dedup_select(spa_t *spa, + enum zio_checksum child, enum zio_checksum parent); +extern enum zio_compress zio_compress_select(spa_t *spa, + enum zio_compress child, enum zio_compress parent); + +extern void zio_suspend(spa_t *spa, zio_t *zio); +extern int zio_resume(spa_t *spa); +extern void zio_resume_wait(spa_t *spa); + +/* + * Initial setup and teardown. + */ +extern void zio_init(void); +extern void zio_fini(void); + +/* + * Fault injection + */ +struct zinject_record; +extern uint32_t zio_injection_enabled; +extern int zio_inject_fault(char *name, int flags, int *id, + struct zinject_record *record); +extern int zio_inject_list_next(int *id, char *name, size_t buflen, + struct zinject_record *record); +extern int zio_clear_fault(int id); +extern void zio_handle_panic_injection(spa_t *spa, char *tag, uint64_t type); +extern int zio_handle_fault_injection(zio_t *zio, int error); +extern int zio_handle_device_injection(vdev_t *vd, zio_t *zio, int error); +extern int zio_handle_label_injection(zio_t *zio, int error); +extern void zio_handle_ignored_writes(zio_t *zio); +extern uint64_t zio_handle_io_delay(zio_t *zio); + +/* + * Checksum ereport functions + */ +extern void zfs_ereport_start_checksum(spa_t *spa, vdev_t *vd, struct zio *zio, + uint64_t offset, uint64_t length, void *arg, struct zio_bad_cksum *info); +extern void zfs_ereport_finish_checksum(zio_cksum_report_t *report, + const void *good_data, const void *bad_data, boolean_t drop_if_identical); + +extern void zfs_ereport_send_interim_checksum(zio_cksum_report_t *report); +extern void zfs_ereport_free_checksum(zio_cksum_report_t *report); + +/* If we have the good data in hand, this function can be used */ +extern void zfs_ereport_post_checksum(spa_t *spa, vdev_t *vd, + struct zio *zio, uint64_t offset, uint64_t length, + const void *good_data, const void *bad_data, struct zio_bad_cksum *info); + +/* Called from spa_sync(), but primarily an injection handler */ +extern void spa_handle_ignored_writes(spa_t *spa); + +/* zbookmark_phys functions */ +boolean_t zbookmark_is_before(const struct dnode_phys *dnp, + const zbookmark_phys_t *zb1, const zbookmark_phys_t *zb2); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZIO_H */ diff --git a/zfs/include/sys/zio_checksum.h b/zfs/include/sys/zio_checksum.h new file mode 100644 index 000000000000..de89bc9a7967 --- /dev/null +++ b/zfs/include/sys/zio_checksum.h @@ -0,0 +1,75 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_ZIO_CHECKSUM_H +#define _SYS_ZIO_CHECKSUM_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Signature for checksum functions. + */ +typedef void zio_checksum_t(const void *data, uint64_t size, zio_cksum_t *zcp); + +/* + * Information about each checksum function. + */ +typedef const struct zio_checksum_info { + zio_checksum_t *ci_func[2]; /* checksum function for each byteorder */ + int ci_correctable; /* number of correctable bits */ + int ci_eck; /* uses zio embedded checksum? */ + int ci_dedup; /* strong enough for dedup? */ + char *ci_name; /* descriptive name */ +} zio_checksum_info_t; + +typedef struct zio_bad_cksum { + zio_cksum_t zbc_expected; + zio_cksum_t zbc_actual; + const char *zbc_checksum_name; + uint8_t zbc_byteswapped; + uint8_t zbc_injected; + uint8_t zbc_has_cksum; /* expected/actual valid */ +} zio_bad_cksum_t; + +extern zio_checksum_info_t zio_checksum_table[ZIO_CHECKSUM_FUNCTIONS]; + +/* + * Checksum routines. + */ +extern zio_checksum_t zio_checksum_SHA256; + +extern void zio_checksum_compute(zio_t *zio, enum zio_checksum checksum, + void *data, uint64_t size); +extern int zio_checksum_error(zio_t *zio, zio_bad_cksum_t *out); +extern enum zio_checksum spa_dedup_checksum(spa_t *spa); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZIO_CHECKSUM_H */ diff --git a/zfs/include/sys/zio_compress.h b/zfs/include/sys/zio_compress.h new file mode 100644 index 000000000000..63863c713c18 --- /dev/null +++ b/zfs/include/sys/zio_compress.h @@ -0,0 +1,93 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_ZIO_COMPRESS_H +#define _SYS_ZIO_COMPRESS_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* Common signature for all zio compress functions. */ +typedef size_t zio_compress_func_t(void *src, void *dst, + size_t s_len, size_t d_len, int); +/* Common signature for all zio decompress functions. */ +typedef int zio_decompress_func_t(void *src, void *dst, + size_t s_len, size_t d_len, int); + +/* + * Information about each compression function. + */ +typedef const struct zio_compress_info { + zio_compress_func_t *ci_compress; /* compression function */ + zio_decompress_func_t *ci_decompress; /* decompression function */ + int ci_level; /* level parameter */ + char *ci_name; /* algorithm name */ +} zio_compress_info_t; + +extern zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS]; + +/* + * lz4 compression init & free + */ +extern void lz4_init(void); +extern void lz4_fini(void); + +/* + * Compression routines. + */ +extern size_t lzjb_compress(void *src, void *dst, size_t s_len, size_t d_len, + int level); +extern int lzjb_decompress(void *src, void *dst, size_t s_len, size_t d_len, + int level); +extern size_t gzip_compress(void *src, void *dst, size_t s_len, size_t d_len, + int level); +extern int gzip_decompress(void *src, void *dst, size_t s_len, size_t d_len, + int level); +extern size_t zle_compress(void *src, void *dst, size_t s_len, size_t d_len, + int level); +extern int zle_decompress(void *src, void *dst, size_t s_len, size_t d_len, + int level); +extern size_t lz4_compress_zfs(void *src, void *dst, size_t s_len, size_t d_len, + int level); +extern int lz4_decompress_zfs(void *src, void *dst, size_t s_len, size_t d_len, + int level); + +/* + * Compress and decompress data if necessary. + */ +extern size_t zio_compress_data(enum zio_compress c, void *src, void *dst, + size_t s_len); +extern int zio_decompress_data(enum zio_compress c, void *src, void *dst, + size_t s_len, size_t d_len); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZIO_COMPRESS_H */ diff --git a/zfs/include/sys/zio_impl.h b/zfs/include/sys/zio_impl.h new file mode 100644 index 000000000000..08f820103e82 --- /dev/null +++ b/zfs/include/sys/zio_impl.h @@ -0,0 +1,245 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _ZIO_IMPL_H +#define _ZIO_IMPL_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * XXX -- Describe ZFS I/O pipeline here. Fill in as needed. + * + * The ZFS I/O pipeline is comprised of various stages which are defined + * in the zio_stage enum below. The individual stages are used to construct + * these basic I/O operations: Read, Write, Free, Claim, and Ioctl. + * + * I/O operations: (XXX - provide detail for each of the operations) + * + * Read: + * Write: + * Free: + * Claim: + * Ioctl: + * + * Although the most common pipeline are used by the basic I/O operations + * above, there are some helper pipelines (one could consider them + * sub-pipelines) which are used internally by the ZIO module and are + * explained below: + * + * Interlock Pipeline: + * The interlock pipeline is the most basic pipeline and is used by all + * of the I/O operations. The interlock pipeline does not perform any I/O + * and is used to coordinate the dependencies between I/Os that are being + * issued (i.e. the parent/child relationship). + * + * Vdev child Pipeline: + * The vdev child pipeline is responsible for performing the physical I/O. + * It is in this pipeline where the I/O are queued and possibly cached. + * + * In addition to performing I/O, the pipeline is also responsible for + * data transformations. The transformations performed are based on the + * specific properties that user may have selected and modify the + * behavior of the pipeline. Examples of supported transformations are + * compression, dedup, and nop writes. Transformations will either modify + * the data or the pipeline. This list below further describes each of + * the supported transformations: + * + * Compression: + * ZFS supports three different flavors of compression -- gzip, lzjb, and + * zle. Compression occurs as part of the write pipeline and is performed + * in the ZIO_STAGE_WRITE_BP_INIT stage. + * + * Dedup: + * Dedup reads are handled by the ZIO_STAGE_DDT_READ_START and + * ZIO_STAGE_DDT_READ_DONE stages. These stages are added to an existing + * read pipeline if the dedup bit is set on the block pointer. + * Writing a dedup block is performed by the ZIO_STAGE_DDT_WRITE stage + * and added to a write pipeline if a user has enabled dedup on that + * particular dataset. + * + * NOP Write: + * The NOP write feature is performed by the ZIO_STAGE_NOP_WRITE stage + * and is added to an existing write pipeline if a crypographically + * secure checksum (i.e. SHA256) is enabled and compression is turned on. + * The NOP write stage will compare the checksums of the current data + * on-disk (level-0 blocks only) and the data that is currently being written. + * If the checksum values are identical then the pipeline is converted to + * an interlock pipeline skipping block allocation and bypassing the + * physical I/O. The nop write feature can handle writes in either + * syncing or open context (i.e. zil writes) and as a result is mutually + * exclusive with dedup. + */ + +/* + * zio pipeline stage definitions + */ +enum zio_stage { + ZIO_STAGE_OPEN = 1 << 0, /* RWFCI */ + + ZIO_STAGE_READ_BP_INIT = 1 << 1, /* R---- */ + ZIO_STAGE_FREE_BP_INIT = 1 << 2, /* --F-- */ + ZIO_STAGE_ISSUE_ASYNC = 1 << 3, /* RWF-- */ + ZIO_STAGE_WRITE_BP_INIT = 1 << 4, /* -W--- */ + + ZIO_STAGE_CHECKSUM_GENERATE = 1 << 5, /* -W--- */ + + ZIO_STAGE_NOP_WRITE = 1 << 6, /* -W--- */ + + ZIO_STAGE_DDT_READ_START = 1 << 7, /* R---- */ + ZIO_STAGE_DDT_READ_DONE = 1 << 8, /* R---- */ + ZIO_STAGE_DDT_WRITE = 1 << 9, /* -W--- */ + ZIO_STAGE_DDT_FREE = 1 << 10, /* --F-- */ + + ZIO_STAGE_GANG_ASSEMBLE = 1 << 11, /* RWFC- */ + ZIO_STAGE_GANG_ISSUE = 1 << 12, /* RWFC- */ + + ZIO_STAGE_DVA_ALLOCATE = 1 << 13, /* -W--- */ + ZIO_STAGE_DVA_FREE = 1 << 14, /* --F-- */ + ZIO_STAGE_DVA_CLAIM = 1 << 15, /* ---C- */ + + ZIO_STAGE_READY = 1 << 16, /* RWFCI */ + + ZIO_STAGE_VDEV_IO_START = 1 << 17, /* RW--I */ + ZIO_STAGE_VDEV_IO_DONE = 1 << 18, /* RW--I */ + ZIO_STAGE_VDEV_IO_ASSESS = 1 << 19, /* RW--I */ + + ZIO_STAGE_CHECKSUM_VERIFY = 1 << 20, /* R---- */ + + ZIO_STAGE_DONE = 1 << 21 /* RWFCI */ +}; + +#define ZIO_INTERLOCK_STAGES \ + (ZIO_STAGE_READY | \ + ZIO_STAGE_DONE) + +#define ZIO_INTERLOCK_PIPELINE \ + ZIO_INTERLOCK_STAGES + +#define ZIO_VDEV_IO_STAGES \ + (ZIO_STAGE_VDEV_IO_START | \ + ZIO_STAGE_VDEV_IO_DONE | \ + ZIO_STAGE_VDEV_IO_ASSESS) + +#define ZIO_VDEV_CHILD_PIPELINE \ + (ZIO_VDEV_IO_STAGES | \ + ZIO_STAGE_DONE) + +#define ZIO_READ_COMMON_STAGES \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_VDEV_IO_STAGES | \ + ZIO_STAGE_CHECKSUM_VERIFY) + +#define ZIO_READ_PHYS_PIPELINE \ + ZIO_READ_COMMON_STAGES + +#define ZIO_READ_PIPELINE \ + (ZIO_READ_COMMON_STAGES | \ + ZIO_STAGE_READ_BP_INIT) + +#define ZIO_DDT_CHILD_READ_PIPELINE \ + ZIO_READ_COMMON_STAGES + +#define ZIO_DDT_READ_PIPELINE \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_STAGE_READ_BP_INIT | \ + ZIO_STAGE_DDT_READ_START | \ + ZIO_STAGE_DDT_READ_DONE) + +#define ZIO_WRITE_COMMON_STAGES \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_VDEV_IO_STAGES | \ + ZIO_STAGE_ISSUE_ASYNC | \ + ZIO_STAGE_CHECKSUM_GENERATE) + +#define ZIO_WRITE_PHYS_PIPELINE \ + ZIO_WRITE_COMMON_STAGES + +#define ZIO_REWRITE_PIPELINE \ + (ZIO_WRITE_COMMON_STAGES | \ + ZIO_STAGE_WRITE_BP_INIT) + +#define ZIO_WRITE_PIPELINE \ + (ZIO_WRITE_COMMON_STAGES | \ + ZIO_STAGE_WRITE_BP_INIT | \ + ZIO_STAGE_DVA_ALLOCATE) + +#define ZIO_DDT_CHILD_WRITE_PIPELINE \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_VDEV_IO_STAGES | \ + ZIO_STAGE_DVA_ALLOCATE) + +#define ZIO_DDT_WRITE_PIPELINE \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_STAGE_ISSUE_ASYNC | \ + ZIO_STAGE_WRITE_BP_INIT | \ + ZIO_STAGE_CHECKSUM_GENERATE | \ + ZIO_STAGE_DDT_WRITE) + +#define ZIO_GANG_STAGES \ + (ZIO_STAGE_GANG_ASSEMBLE | \ + ZIO_STAGE_GANG_ISSUE) + +#define ZIO_FREE_PIPELINE \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_STAGE_FREE_BP_INIT | \ + ZIO_STAGE_DVA_FREE) + +#define ZIO_DDT_FREE_PIPELINE \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_STAGE_FREE_BP_INIT | \ + ZIO_STAGE_ISSUE_ASYNC | \ + ZIO_STAGE_DDT_FREE) + +#define ZIO_CLAIM_PIPELINE \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_STAGE_DVA_CLAIM) + +#define ZIO_IOCTL_PIPELINE \ + (ZIO_INTERLOCK_STAGES | \ + ZIO_STAGE_VDEV_IO_START | \ + ZIO_STAGE_VDEV_IO_ASSESS) + +#define ZIO_BLOCKING_STAGES \ + (ZIO_STAGE_DVA_ALLOCATE | \ + ZIO_STAGE_DVA_CLAIM | \ + ZIO_STAGE_VDEV_IO_START) + +extern void zio_inject_init(void); +extern void zio_inject_fini(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZIO_IMPL_H */ diff --git a/zfs/include/sys/zpl.h b/zfs/include/sys/zpl.h new file mode 100644 index 000000000000..9f0ac770df9c --- /dev/null +++ b/zfs/include/sys/zpl.h @@ -0,0 +1,186 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2011, Lawrence Livermore National Security, LLC. + */ + +#ifndef _SYS_ZPL_H +#define _SYS_ZPL_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* zpl_inode.c */ +extern void zpl_vap_init(vattr_t *vap, struct inode *dir, + zpl_umode_t mode, cred_t *cr); + +extern const struct inode_operations zpl_inode_operations; +extern const struct inode_operations zpl_dir_inode_operations; +extern const struct inode_operations zpl_symlink_inode_operations; +extern const struct inode_operations zpl_special_inode_operations; +extern dentry_operations_t zpl_dentry_operations; + +/* zpl_file.c */ +extern ssize_t zpl_read_common(struct inode *ip, const char *buf, + size_t len, loff_t *ppos, uio_seg_t segment, int flags, + cred_t *cr); +extern ssize_t zpl_write_common(struct inode *ip, const char *buf, + size_t len, loff_t *ppos, uio_seg_t segment, int flags, + cred_t *cr); +#if defined(HAVE_FILE_FALLOCATE) || defined(HAVE_INODE_FALLOCATE) +extern long zpl_fallocate_common(struct inode *ip, int mode, + loff_t offset, loff_t len); +#endif /* defined(HAVE_FILE_FALLOCATE) || defined(HAVE_INODE_FALLOCATE) */ + +extern const struct address_space_operations zpl_address_space_operations; +extern const struct file_operations zpl_file_operations; +extern const struct file_operations zpl_dir_file_operations; + +/* zpl_super.c */ +extern void zpl_prune_sb(int64_t nr_to_scan, void *arg); + +extern const struct super_operations zpl_super_operations; +extern const struct export_operations zpl_export_operations; +extern struct file_system_type zpl_fs_type; + +/* zpl_xattr.c */ +extern ssize_t zpl_xattr_list(struct dentry *dentry, char *buf, size_t size); +extern int zpl_xattr_security_init(struct inode *ip, struct inode *dip, + const struct qstr *qstr); +#if defined(CONFIG_FS_POSIX_ACL) +extern int zpl_set_acl(struct inode *ip, struct posix_acl *acl, int type); +extern struct posix_acl *zpl_get_acl(struct inode *ip, int type); +#if !defined(HAVE_GET_ACL) +#if defined(HAVE_CHECK_ACL_WITH_FLAGS) +extern int zpl_check_acl(struct inode *inode, int mask, unsigned int flags); +#elif defined(HAVE_CHECK_ACL) +extern int zpl_check_acl(struct inode *inode, int mask); +#elif defined(HAVE_PERMISSION_WITH_NAMEIDATA) +extern int zpl_permission(struct inode *ip, int mask, struct nameidata *nd); +#elif defined(HAVE_PERMISSION) +extern int zpl_permission(struct inode *ip, int mask); +#endif /* HAVE_CHECK_ACL | HAVE_PERMISSION */ +#endif /* HAVE_GET_ACL */ + +extern int zpl_init_acl(struct inode *ip, struct inode *dir); +extern int zpl_chmod_acl(struct inode *ip); +#else +static inline int +zpl_init_acl(struct inode *ip, struct inode *dir) +{ + return (0); +} + +static inline int +zpl_chmod_acl(struct inode *ip) +{ + return (0); +} +#endif /* CONFIG_FS_POSIX_ACL */ + +extern xattr_handler_t *zpl_xattr_handlers[]; + +/* zpl_ctldir.c */ +extern const struct file_operations zpl_fops_root; +extern const struct inode_operations zpl_ops_root; + +extern const struct file_operations zpl_fops_snapdir; +extern const struct inode_operations zpl_ops_snapdir; +#ifdef HAVE_AUTOMOUNT +extern const struct dentry_operations zpl_dops_snapdirs; +#else +extern const struct inode_operations zpl_ops_snapdirs; +#endif /* HAVE_AUTOMOUNT */ + +extern const struct file_operations zpl_fops_shares; +extern const struct inode_operations zpl_ops_shares; + +#if defined(HAVE_VFS_ITERATE) || defined(HAVE_VFS_ITERATE_SHARED) + +#define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \ + .actor = _actor, \ + .pos = _pos, \ +} + +#else + +typedef struct dir_context { + void *dirent; + const filldir_t actor; + loff_t pos; +} dir_context_t; + +#define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \ + .dirent = _dirent, \ + .actor = _actor, \ + .pos = _pos, \ +} + +static inline bool +dir_emit(struct dir_context *ctx, const char *name, int namelen, + uint64_t ino, unsigned type) +{ + return (ctx->actor(ctx->dirent, name, namelen, ctx->pos, ino, type) + == 0); +} + +static inline bool +dir_emit_dot(struct file *file, struct dir_context *ctx) +{ + return (ctx->actor(ctx->dirent, ".", 1, ctx->pos, + file->f_path.dentry->d_inode->i_ino, DT_DIR) == 0); +} + +static inline bool +dir_emit_dotdot(struct file *file, struct dir_context *ctx) +{ + return (ctx->actor(ctx->dirent, "..", 2, ctx->pos, + parent_ino(file->f_path.dentry), DT_DIR) == 0); +} + +static inline bool +dir_emit_dots(struct file *file, struct dir_context *ctx) +{ + if (ctx->pos == 0) { + if (!dir_emit_dot(file, ctx)) + return (false); + ctx->pos = 1; + } + if (ctx->pos == 1) { + if (!dir_emit_dotdot(file, ctx)) + return (false); + ctx->pos = 2; + } + return (true); +} +#endif /* HAVE_VFS_ITERATE */ + +#endif /* _SYS_ZPL_H */ diff --git a/zfs/include/sys/zrlock.h b/zfs/include/sys/zrlock.h new file mode 100644 index 000000000000..dcd63f7b5b91 --- /dev/null +++ b/zfs/include/sys/zrlock.h @@ -0,0 +1,66 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_ZRLOCK_H +#define _SYS_ZRLOCK_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct zrlock { + kmutex_t zr_mtx; + volatile int32_t zr_refcount; + kcondvar_t zr_cv; + uint16_t zr_pad; +#ifdef ZFS_DEBUG + kthread_t *zr_owner; + const char *zr_caller; +#endif +} zrlock_t; + +extern void zrl_init(zrlock_t *); +extern void zrl_destroy(zrlock_t *); +#ifdef ZFS_DEBUG +#define zrl_add(_z) zrl_add_debug((_z), __func__) +extern void zrl_add_debug(zrlock_t *, const char *); +#else +extern void zrl_add(zrlock_t *); +#endif +extern void zrl_remove(zrlock_t *); +extern int zrl_tryenter(zrlock_t *); +extern void zrl_exit(zrlock_t *); +extern int zrl_is_zero(zrlock_t *); +extern int zrl_is_locked(zrlock_t *); +#ifdef ZFS_DEBUG +extern kthread_t *zrl_owner(zrlock_t *); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZRLOCK_H */ diff --git a/zfs/include/sys/zvol.h b/zfs/include/sys/zvol.h new file mode 100644 index 000000000000..c3e386f0b79e --- /dev/null +++ b/zfs/include/sys/zvol.h @@ -0,0 +1,53 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +#ifndef _SYS_ZVOL_H +#define _SYS_ZVOL_H + +#include + +#define ZVOL_OBJ 1ULL +#define ZVOL_ZAP_OBJ 2ULL + +extern void zvol_create_minors(spa_t *spa, const char *name, boolean_t async); +extern void zvol_remove_minors(spa_t *spa, const char *name, boolean_t async); +extern void zvol_rename_minors(spa_t *spa, const char *oldname, + const char *newname, boolean_t async); + +#ifdef _KERNEL +extern int zvol_check_volsize(uint64_t volsize, uint64_t blocksize); +extern int zvol_check_volblocksize(const char *name, uint64_t volblocksize); +extern int zvol_get_stats(objset_t *os, nvlist_t *nv); +extern boolean_t zvol_is_zvol(const char *); +extern void zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); +extern int zvol_set_volsize(const char *, uint64_t); +extern int zvol_set_volblocksize(const char *, uint64_t); +extern int zvol_set_snapdev(const char *, zprop_source_t, uint64_t); + +extern int zvol_init(void); +extern void zvol_fini(void); +#endif /* _KERNEL */ +#endif /* _SYS_ZVOL_H */ diff --git a/zfs/include/zfeature_common.h b/zfs/include/zfeature_common.h new file mode 100644 index 000000000000..e383c4ff7887 --- /dev/null +++ b/zfs/include/zfeature_common.h @@ -0,0 +1,89 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + */ + +#ifndef _ZFEATURE_COMMON_H +#define _ZFEATURE_COMMON_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct zfeature_info; + +typedef enum spa_feature { + SPA_FEATURE_NONE = -1, + SPA_FEATURE_ASYNC_DESTROY, + SPA_FEATURE_EMPTY_BPOBJ, + SPA_FEATURE_LZ4_COMPRESS, + SPA_FEATURE_SPACEMAP_HISTOGRAM, + SPA_FEATURE_ENABLED_TXG, + SPA_FEATURE_HOLE_BIRTH, + SPA_FEATURE_EXTENSIBLE_DATASET, + SPA_FEATURE_EMBEDDED_DATA, + SPA_FEATURE_BOOKMARKS, + SPA_FEATURE_FS_SS_LIMIT, + SPA_FEATURE_LARGE_BLOCKS, + SPA_FEATURES +} spa_feature_t; + +#define SPA_FEATURE_DISABLED (-1ULL) + +typedef struct zfeature_info { + spa_feature_t fi_feature; + const char *fi_uname; /* User-facing feature name */ + const char *fi_guid; /* On-disk feature identifier */ + const char *fi_desc; /* Feature description */ + boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */ + boolean_t fi_mos; /* Is the feature necessary to read the MOS? */ + /* Activate this feature at the same time it is enabled */ + boolean_t fi_activate_on_enable; + /* array of dependencies, terminated by SPA_FEATURE_NONE */ + const spa_feature_t *fi_depends; +} zfeature_info_t; + +typedef int (zfeature_func_t)(zfeature_info_t *, void *); + +#define ZFS_FEATURE_DEBUG + +extern zfeature_info_t spa_feature_table[SPA_FEATURES]; + +extern boolean_t zfeature_is_valid_guid(const char *); + +extern boolean_t zfeature_is_supported(const char *); +extern int zfeature_lookup_name(const char *, spa_feature_t *); +extern boolean_t zfeature_depends_on(spa_feature_t, spa_feature_t); + +extern void zpool_feature_init(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZFEATURE_COMMON_H */ diff --git a/zfs/include/zfs_comutil.h b/zfs/include/zfs_comutil.h new file mode 100644 index 000000000000..f89054388a4d --- /dev/null +++ b/zfs/include/zfs_comutil.h @@ -0,0 +1,48 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#ifndef _ZFS_COMUTIL_H +#define _ZFS_COMUTIL_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern boolean_t zfs_allocatable_devs(nvlist_t *); +extern void zpool_get_rewind_policy(nvlist_t *, zpool_rewind_policy_t *); + +extern int zfs_zpl_version_map(int spa_version); +extern int zfs_spa_version_map(int zpl_version); +#define ZFS_NUM_LEGACY_HISTORY_EVENTS 41 +extern const char *zfs_history_event_names[ZFS_NUM_LEGACY_HISTORY_EVENTS]; + +#ifdef __cplusplus +} +#endif + +#endif /* _ZFS_COMUTIL_H */ diff --git a/zfs/include/zfs_deleg.h b/zfs/include/zfs_deleg.h new file mode 100644 index 000000000000..16133c59f33f --- /dev/null +++ b/zfs/include/zfs_deleg.h @@ -0,0 +1,89 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2010 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _ZFS_DELEG_H +#define _ZFS_DELEG_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZFS_DELEG_SET_NAME_CHR '@' /* set name lead char */ +#define ZFS_DELEG_FIELD_SEP_CHR '$' /* field separator */ + +/* + * Max name length for a delegation attribute + */ +#define ZFS_MAX_DELEG_NAME 128 + +#define ZFS_DELEG_LOCAL 'l' +#define ZFS_DELEG_DESCENDENT 'd' +#define ZFS_DELEG_NA '-' + +typedef enum { + ZFS_DELEG_NOTE_CREATE, + ZFS_DELEG_NOTE_DESTROY, + ZFS_DELEG_NOTE_SNAPSHOT, + ZFS_DELEG_NOTE_ROLLBACK, + ZFS_DELEG_NOTE_CLONE, + ZFS_DELEG_NOTE_PROMOTE, + ZFS_DELEG_NOTE_RENAME, + ZFS_DELEG_NOTE_SEND, + ZFS_DELEG_NOTE_RECEIVE, + ZFS_DELEG_NOTE_ALLOW, + ZFS_DELEG_NOTE_USERPROP, + ZFS_DELEG_NOTE_MOUNT, + ZFS_DELEG_NOTE_SHARE, + ZFS_DELEG_NOTE_USERQUOTA, + ZFS_DELEG_NOTE_GROUPQUOTA, + ZFS_DELEG_NOTE_USERUSED, + ZFS_DELEG_NOTE_GROUPUSED, + ZFS_DELEG_NOTE_HOLD, + ZFS_DELEG_NOTE_RELEASE, + ZFS_DELEG_NOTE_DIFF, + ZFS_DELEG_NOTE_BOOKMARK, + ZFS_DELEG_NOTE_NONE +} zfs_deleg_note_t; + +typedef struct zfs_deleg_perm_tab { + char *z_perm; + zfs_deleg_note_t z_note; +} zfs_deleg_perm_tab_t; + +extern zfs_deleg_perm_tab_t zfs_deleg_perm_tab[]; + +int zfs_deleg_verify_nvlist(nvlist_t *nvlist); +void zfs_deleg_whokey(char *attr, zfs_deleg_who_type_t type, + char checkflag, void *data); +const char *zfs_deleg_canonicalize_perm(const char *perm); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZFS_DELEG_H */ diff --git a/zfs/include/zfs_fletcher.h b/zfs/include/zfs_fletcher.h new file mode 100644 index 000000000000..b49df0cf4f0f --- /dev/null +++ b/zfs/include/zfs_fletcher.h @@ -0,0 +1,53 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _ZFS_FLETCHER_H +#define _ZFS_FLETCHER_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * fletcher checksum functions + */ + +void fletcher_2_native(const void *, uint64_t, zio_cksum_t *); +void fletcher_2_byteswap(const void *, uint64_t, zio_cksum_t *); +void fletcher_4_native(const void *, uint64_t, zio_cksum_t *); +void fletcher_4_byteswap(const void *, uint64_t, zio_cksum_t *); +void fletcher_4_incremental_native(const void *, uint64_t, + zio_cksum_t *); +void fletcher_4_incremental_byteswap(const void *, uint64_t, + zio_cksum_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZFS_FLETCHER_H */ diff --git a/zfs/include/zfs_namecheck.h b/zfs/include/zfs_namecheck.h new file mode 100644 index 000000000000..cbefbaa0d5ab --- /dev/null +++ b/zfs/include/zfs_namecheck.h @@ -0,0 +1,61 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#ifndef _ZFS_NAMECHECK_H +#define _ZFS_NAMECHECK_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + NAME_ERR_LEADING_SLASH, /* name begins with leading slash */ + NAME_ERR_EMPTY_COMPONENT, /* name contains an empty component */ + NAME_ERR_TRAILING_SLASH, /* name ends with a slash */ + NAME_ERR_INVALCHAR, /* invalid character found */ + NAME_ERR_MULTIPLE_AT, /* multiple '@' characters found */ + NAME_ERR_NOLETTER, /* pool doesn't begin with a letter */ + NAME_ERR_RESERVED, /* entire name is reserved */ + NAME_ERR_DISKLIKE, /* reserved disk name (c[0-9].*) */ + NAME_ERR_TOOLONG, /* name is too long */ + NAME_ERR_NO_AT, /* permission set is missing '@' */ +} namecheck_err_t; + +#define ZFS_PERMSET_MAXLEN 64 + +int pool_namecheck(const char *, namecheck_err_t *, char *); +int dataset_namecheck(const char *, namecheck_err_t *, char *); +int mountpoint_namecheck(const char *, namecheck_err_t *); +int zfs_component_namecheck(const char *, namecheck_err_t *, char *); +int permset_namecheck(const char *, namecheck_err_t *, char *); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZFS_NAMECHECK_H */ diff --git a/zfs/include/zfs_prop.h b/zfs/include/zfs_prop.h new file mode 100644 index 000000000000..5e7d3f55ac6a --- /dev/null +++ b/zfs/include/zfs_prop.h @@ -0,0 +1,129 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _ZFS_PROP_H +#define _ZFS_PROP_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * For index types (e.g. compression and checksum), we want the numeric value + * in the kernel, but the string value in userland. + */ +typedef enum { + PROP_TYPE_NUMBER, /* numeric value */ + PROP_TYPE_STRING, /* string value */ + PROP_TYPE_INDEX /* numeric value indexed by string */ +} zprop_type_t; + +typedef enum { + PROP_DEFAULT, + PROP_READONLY, + PROP_INHERIT, + /* + * ONETIME properties are a sort of conglomeration of READONLY + * and INHERIT. They can be set only during object creation, + * after that they are READONLY. If not explicitly set during + * creation, they can be inherited. + */ + PROP_ONETIME +} zprop_attr_t; + +typedef struct zfs_index { + const char *pi_name; + uint64_t pi_value; +} zprop_index_t; + +typedef struct { + const char *pd_name; /* human-readable property name */ + int pd_propnum; /* property number */ + zprop_type_t pd_proptype; /* string, boolean, index, number */ + const char *pd_strdefault; /* default for strings */ + uint64_t pd_numdefault; /* for boolean / index / number */ + zprop_attr_t pd_attr; /* default, readonly, inherit */ + int pd_types; /* bitfield of valid dataset types */ + /* fs | vol | snap; or pool */ + const char *pd_values; /* string telling acceptable values */ + const char *pd_colname; /* column header for "zfs list" */ + boolean_t pd_rightalign; /* column alignment for "zfs list" */ + boolean_t pd_visible; /* do we list this property with the */ + /* "zfs get" help message */ + const zprop_index_t *pd_table; /* for index properties, a table */ + /* defining the possible values */ + size_t pd_table_size; /* number of entries in pd_table[] */ +} zprop_desc_t; + +/* + * zfs dataset property functions + */ +void zfs_prop_init(void); +zprop_type_t zfs_prop_get_type(zfs_prop_t); +boolean_t zfs_prop_delegatable(zfs_prop_t prop); +zprop_desc_t *zfs_prop_get_table(void); + +/* + * zpool property functions + */ +void zpool_prop_init(void); +zprop_type_t zpool_prop_get_type(zpool_prop_t); +zprop_desc_t *zpool_prop_get_table(void); + +/* + * Common routines to initialize property tables + */ +void zprop_register_impl(int, const char *, zprop_type_t, uint64_t, + const char *, zprop_attr_t, int, const char *, const char *, + boolean_t, boolean_t, const zprop_index_t *); +void zprop_register_string(int, const char *, const char *, + zprop_attr_t attr, int, const char *, const char *); +void zprop_register_number(int, const char *, uint64_t, zprop_attr_t, int, + const char *, const char *); +void zprop_register_index(int, const char *, uint64_t, zprop_attr_t, int, + const char *, const char *, const zprop_index_t *); +void zprop_register_hidden(int, const char *, zprop_type_t, zprop_attr_t, + int, const char *); + +/* + * Common routines for zfs and zpool property management + */ +int zprop_iter_common(zprop_func, void *, boolean_t, boolean_t, zfs_type_t); +int zprop_name_to_prop(const char *, zfs_type_t); +int zprop_string_to_index(int, const char *, uint64_t *, zfs_type_t); +int zprop_index_to_string(int, uint64_t, const char **, zfs_type_t); +uint64_t zprop_random_value(int, uint64_t, zfs_type_t); +const char *zprop_values(int, zfs_type_t); +size_t zprop_width(int, boolean_t *, zfs_type_t); +boolean_t zprop_valid_for_type(int, zfs_type_t, boolean_t); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZFS_PROP_H */ diff --git a/zfs/include/zpios-ctl.h b/zfs/include/zpios-ctl.h new file mode 100644 index 000000000000..9a47ff91d55c --- /dev/null +++ b/zfs/include/zpios-ctl.h @@ -0,0 +1,203 @@ +/* + * ZPIOS is a heavily modified version of the original PIOS test code. + * It is designed to have the test code running in the Linux kernel + * against ZFS while still being flexibly controled from user space. + * + * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * LLNL-CODE-403049 + * + * Original PIOS Test Code + * Copyright (C) 2004 Cluster File Systems, Inc. + * Written by Peter Braam + * Atul Vidwansa + * Milind Dumbare + * + * This file is part of ZFS on Linux. + * For details, see . + * + * ZPIOS is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * ZPIOS is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with ZPIOS. If not, see . + */ + +#ifndef _ZPIOS_CTL_H +#define _ZPIOS_CTL_H + +/* + * Contains shared definitions which both the userspace + * and kernelspace portions of zpios must agree on. + */ +#ifndef _KERNEL +#include +#endif + +#define ZPIOS_NAME "zpios" +#define ZPIOS_DEV "/dev/zpios" + +#define DMU_IO 0x01 + +#define DMU_WRITE 0x0001 +#define DMU_READ 0x0002 +#define DMU_VERIFY 0x0004 +#define DMU_REMOVE 0x0008 +#define DMU_FPP 0x0010 +#define DMU_WRITE_ZC 0x0020 /* Incompatible w/DMU_VERIFY */ +#define DMU_READ_ZC 0x0040 /* Incompatible w/DMU_VERIFY */ +#define DMU_WRITE_NOWAIT 0x0080 +#define DMU_READ_NOPF 0x0100 + +#define ZPIOS_NAME_SIZE 16 +#define ZPIOS_PATH_SIZE 128 + +#define PHASE_PRE_RUN "pre-run" +#define PHASE_PRE_CREATE "pre-create" +#define PHASE_PRE_WRITE "pre-write" +#define PHASE_PRE_READ "pre-read" +#define PHASE_PRE_REMOVE "pre-remove" +#define PHASE_POST_RUN "post-run" +#define PHASE_POST_CREATE "post-create" +#define PHASE_POST_WRITE "post-write" +#define PHASE_POST_READ "post-read" +#define PHASE_POST_REMOVE "post-remove" + +#define ZPIOS_CFG_MAGIC 0x87237190U +typedef struct zpios_cfg { + uint32_t cfg_magic; /* Unique magic */ + int32_t cfg_cmd; /* Config command */ + int32_t cfg_arg1; /* Config command arg 1 */ + int32_t cfg_rc1; /* Config response 1 */ +} zpios_cfg_t; + +typedef struct zpios_timespec { + uint32_t ts_sec; + uint32_t ts_nsec; +} zpios_timespec_t; + +typedef struct zpios_time { + zpios_timespec_t start; + zpios_timespec_t stop; + zpios_timespec_t delta; +} zpios_time_t; + +typedef struct zpios_stats { + zpios_time_t total_time; + zpios_time_t cr_time; + zpios_time_t rm_time; + zpios_time_t wr_time; + zpios_time_t rd_time; + uint64_t wr_data; + uint64_t wr_chunks; + uint64_t rd_data; + uint64_t rd_chunks; +} zpios_stats_t; + +#define ZPIOS_CMD_MAGIC 0x49715385U +typedef struct zpios_cmd { + uint32_t cmd_magic; /* Unique magic */ + uint32_t cmd_id; /* Run ID */ + char cmd_pool[ZPIOS_NAME_SIZE]; /* Pool name */ + uint64_t cmd_chunk_size; /* Chunk size */ + uint32_t cmd_thread_count; /* Thread count */ + uint32_t cmd_region_count; /* Region count */ + uint64_t cmd_region_size; /* Region size */ + uint64_t cmd_offset; /* Region offset */ + uint32_t cmd_region_noise; /* Region noise */ + uint32_t cmd_chunk_noise; /* Chunk noise */ + uint32_t cmd_thread_delay; /* Thread delay */ + uint32_t cmd_flags; /* Test flags */ + char cmd_pre[ZPIOS_PATH_SIZE]; /* Pre-exec hook */ + char cmd_post[ZPIOS_PATH_SIZE]; /* Post-exec hook */ + char cmd_log[ZPIOS_PATH_SIZE]; /* Requested log dir */ + uint64_t cmd_data_size; /* Opaque data size */ + char cmd_data_str[0]; /* Opaque data region */ +} zpios_cmd_t; + +/* Valid ioctls */ +#define ZPIOS_CFG _IOWR('f', 101, zpios_cfg_t) +#define ZPIOS_CMD _IOWR('f', 102, zpios_cmd_t) + +/* Valid configuration commands */ +#define ZPIOS_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */ +#define ZPIOS_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */ + +#ifndef NSEC_PER_SEC +#define NSEC_PER_SEC 1000000000L +#endif + +static inline +void +zpios_timespec_normalize(zpios_timespec_t *ts, uint32_t sec, uint32_t nsec) +{ + while (nsec >= NSEC_PER_SEC) { + nsec -= NSEC_PER_SEC; + sec++; + } + while (nsec < 0) { + nsec += NSEC_PER_SEC; + sec--; + } + ts->ts_sec = sec; + ts->ts_nsec = nsec; +} + +static inline +zpios_timespec_t +zpios_timespec_add(zpios_timespec_t lhs, zpios_timespec_t rhs) +{ + zpios_timespec_t ts_delta; + zpios_timespec_normalize(&ts_delta, lhs.ts_sec + rhs.ts_sec, + lhs.ts_nsec + rhs.ts_nsec); + return (ts_delta); +} + +static inline +zpios_timespec_t +zpios_timespec_sub(zpios_timespec_t lhs, zpios_timespec_t rhs) +{ + zpios_timespec_t ts_delta; + zpios_timespec_normalize(&ts_delta, lhs.ts_sec - rhs.ts_sec, + lhs.ts_nsec - rhs.ts_nsec); + return (ts_delta); +} + +#ifdef _KERNEL + +static inline +zpios_timespec_t +zpios_timespec_now(void) +{ + zpios_timespec_t zts_now; + struct timespec ts_now; + + ts_now = current_kernel_time(); + zts_now.ts_sec = ts_now.tv_sec; + zts_now.ts_nsec = ts_now.tv_nsec; + + return (zts_now); +} + +#else + +static inline +double +zpios_timespec_to_double(zpios_timespec_t ts) +{ + return + ((double)(ts.ts_sec) + + ((double)(ts.ts_nsec) / (double)(NSEC_PER_SEC))); +} + +#endif /* _KERNEL */ + +#endif /* _ZPIOS_CTL_H */ diff --git a/zfs/include/zpios-internal.h b/zfs/include/zpios-internal.h new file mode 100644 index 000000000000..4b99b4ce31f3 --- /dev/null +++ b/zfs/include/zpios-internal.h @@ -0,0 +1,112 @@ +/* + * ZPIOS is a heavily modified version of the original PIOS test code. + * It is designed to have the test code running in the Linux kernel + * against ZFS while still being flexibly controled from user space. + * + * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * LLNL-CODE-403049 + * + * Original PIOS Test Code + * Copyright (C) 2004 Cluster File Systems, Inc. + * Written by Peter Braam + * Atul Vidwansa + * Milind Dumbare + * + * This file is part of ZFS on Linux. + * For details, see . + * + * ZPIOS is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * ZPIOS is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with ZPIOS. If not, see . + */ + +#ifndef _ZPIOS_INTERNAL_H +#define _ZPIOS_INTERNAL_H + +#include "zpios-ctl.h" + +#define OBJ_SIZE 64 + +struct run_args; + +typedef struct dmu_obj { + objset_t *os; + uint64_t obj; +} dmu_obj_t; + +/* thread doing the IO data */ +typedef struct thread_data { + struct run_args *run_args; + int thread_no; + int rc; + zpios_stats_t stats; + kmutex_t lock; +} thread_data_t; + +/* region for IO data */ +typedef struct zpios_region { + __u64 wr_offset; + __u64 rd_offset; + __u64 init_offset; + __u64 max_offset; + dmu_obj_t obj; + zpios_stats_t stats; + kmutex_t lock; +} zpios_region_t; + +/* arguments for one run */ +typedef struct run_args { + /* Config args */ + int id; + char pool[ZPIOS_NAME_SIZE]; + __u64 chunk_size; + __u32 thread_count; + __u32 region_count; + __u64 region_size; + __u64 offset; + __u32 region_noise; + __u32 chunk_noise; + __u32 thread_delay; + __u32 flags; + char pre[ZPIOS_PATH_SIZE]; + char post[ZPIOS_PATH_SIZE]; + char log[ZPIOS_PATH_SIZE]; + + /* Control data */ + objset_t *os; + wait_queue_head_t waitq; + volatile uint64_t threads_done; + kmutex_t lock_work; + kmutex_t lock_ctl; + __u32 region_next; + + /* Results data */ + struct file *file; + zpios_stats_t stats; + + thread_data_t **threads; + zpios_region_t regions[0]; /* Must be last element */ +} run_args_t; + +#define ZPIOS_INFO_BUFFER_SIZE 65536 +#define ZPIOS_INFO_BUFFER_REDZONE 1024 + +typedef struct zpios_info { + spinlock_t info_lock; + int info_size; + char *info_buffer; + char *info_head; /* Internal kernel use only */ +} zpios_info_t; + +#endif /* _ZPIOS_INTERNAL_H */ diff --git a/zfs/module/Makefile.in b/zfs/module/Makefile.in new file mode 100644 index 000000000000..d4ddee2f429f --- /dev/null +++ b/zfs/module/Makefile.in @@ -0,0 +1,75 @@ +subdir-m += avl +subdir-m += nvpair +subdir-m += unicode +subdir-m += zcommon +subdir-m += zfs +subdir-m += zpios + +INSTALL_MOD_DIR ?= extra + +ZFS_MODULE_CFLAGS += -include @SPL_OBJ@/spl_config.h +ZFS_MODULE_CFLAGS += -include @abs_top_builddir@/zfs_config.h +ZFS_MODULE_CFLAGS += -I@abs_top_srcdir@/include -I@SPL@/include -I@SPL@ +export ZFS_MODULE_CFLAGS + +modules: + @# Make the exported SPL symbols available to these modules. + @# They may be in the root of SPL_OBJ when building against + @# installed devel headers, or they may be in the module + @# subdirectory when building against the spl source tree. + @if [ -f @SPL_OBJ@/@SPL_SYMBOLS@ ]; then \ + /bin/cp @SPL_OBJ@/@SPL_SYMBOLS@ .; \ + elif [ -f @SPL_OBJ@/module/@SPL_SYMBOLS@ ]; then \ + /bin/cp @SPL_OBJ@/module/@SPL_SYMBOLS@ .; \ + else \ + echo -e "\n" \ + "*** Missing spl symbols ensure you have built the spl:\n" \ + "*** - @SPL_OBJ@/@SPL_SYMBOLS@, or\n" \ + "*** - @SPL_OBJ@/module/@SPL_SYMBOLS@\n"; \ + exit 1; \ + fi + $(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ CONFIG_ZFS=m $@ + +clean: + @# Only cleanup the kernel build directories when CONFIG_KERNEL + @# is defined. This indicates that kernel modules should be built. +@CONFIG_KERNEL_TRUE@ $(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ $@ + + if [ -f @SPL_SYMBOLS@ ]; then $(RM) @SPL_SYMBOLS@; fi + if [ -f @LINUX_SYMBOLS@ ]; then $(RM) @LINUX_SYMBOLS@; fi + if [ -f Module.markers ]; then $(RM) Module.markers; fi + +modules_install: + @# Install the kernel modules + $(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` $@ \ + INSTALL_MOD_PATH=$(DESTDIR)$(INSTALL_MOD_PATH) \ + INSTALL_MOD_DIR=$(INSTALL_MOD_DIR) \ + KERNELRELEASE=@LINUX_VERSION@ + @# Remove extraneous build products when packaging + kmoddir=$(DESTDIR)$(INSTALL_MOD_PATH)/lib/modules/@LINUX_VERSION@; \ + if [ -n "$(DESTDIR)" ]; then \ + find $$kmoddir -name 'modules.*' | xargs $(RM); \ + fi + sysmap=$(DESTDIR)$(INSTALL_MOD_PATH)/boot/System.map-@LINUX_VERSION@; \ + if [ -f $$sysmap ]; then \ + depmod -ae -F $$sysmap @LINUX_VERSION@; \ + fi + +modules_uninstall: + @# Uninstall the kernel modules + kmoddir=$(DESTDIR)$(INSTALL_MOD_PATH)/lib/modules/@LINUX_VERSION@ + list='$(subdir-m)'; for subdir in $$list; do \ + $(RM) -R $$kmoddir/$(INSTALL_MOD_DIR)/$$subdir; \ + done + +distdir: + list='$(subdir-m)'; for subdir in $$list; do \ + (find @top_srcdir@/module/$$subdir -name '*.c' -o -name '*.h' |\ + xargs /bin/cp -t $$distdir/$$subdir); \ + done + +distclean maintainer-clean: clean +install: modules_install +uninstall: modules_uninstall +all: modules +check: diff --git a/zfs/module/avl/Makefile.in b/zfs/module/avl/Makefile.in new file mode 100644 index 000000000000..98c011e8aa81 --- /dev/null +++ b/zfs/module/avl/Makefile.in @@ -0,0 +1,10 @@ +src = @abs_top_srcdir@/module/avl +obj = @abs_builddir@ + +MODULE := zavl + +EXTRA_CFLAGS = $(ZFS_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +obj-$(CONFIG_ZFS) := $(MODULE).o + +$(MODULE)-objs += avl.o diff --git a/zfs/module/avl/avl.c b/zfs/module/avl/avl.c new file mode 100644 index 000000000000..86183fea01bd --- /dev/null +++ b/zfs/module/avl/avl.c @@ -0,0 +1,1096 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2014 by Delphix. All rights reserved. + */ + +/* + * AVL - generic AVL tree implementation for kernel use + * + * A complete description of AVL trees can be found in many CS textbooks. + * + * Here is a very brief overview. An AVL tree is a binary search tree that is + * almost perfectly balanced. By "almost" perfectly balanced, we mean that at + * any given node, the left and right subtrees are allowed to differ in height + * by at most 1 level. + * + * This relaxation from a perfectly balanced binary tree allows doing + * insertion and deletion relatively efficiently. Searching the tree is + * still a fast operation, roughly O(log(N)). + * + * The key to insertion and deletion is a set of tree manipulations called + * rotations, which bring unbalanced subtrees back into the semi-balanced state. + * + * This implementation of AVL trees has the following peculiarities: + * + * - The AVL specific data structures are physically embedded as fields + * in the "using" data structures. To maintain generality the code + * must constantly translate between "avl_node_t *" and containing + * data structure "void *"s by adding/subtracting the avl_offset. + * + * - Since the AVL data is always embedded in other structures, there is + * no locking or memory allocation in the AVL routines. This must be + * provided for by the enclosing data structure's semantics. Typically, + * avl_insert()/_add()/_remove()/avl_insert_here() require some kind of + * exclusive write lock. Other operations require a read lock. + * + * - The implementation uses iteration instead of explicit recursion, + * since it is intended to run on limited size kernel stacks. Since + * there is no recursion stack present to move "up" in the tree, + * there is an explicit "parent" link in the avl_node_t. + * + * - The left/right children pointers of a node are in an array. + * In the code, variables (instead of constants) are used to represent + * left and right indices. The implementation is written as if it only + * dealt with left handed manipulations. By changing the value assigned + * to "left", the code also works for right handed trees. The + * following variables/terms are frequently used: + * + * int left; // 0 when dealing with left children, + * // 1 for dealing with right children + * + * int left_heavy; // -1 when left subtree is taller at some node, + * // +1 when right subtree is taller + * + * int right; // will be the opposite of left (0 or 1) + * int right_heavy;// will be the opposite of left_heavy (-1 or 1) + * + * int direction; // 0 for "<" (ie. left child); 1 for ">" (right) + * + * Though it is a little more confusing to read the code, the approach + * allows using half as much code (and hence cache footprint) for tree + * manipulations and eliminates many conditional branches. + * + * - The avl_index_t is an opaque "cookie" used to find nodes at or + * adjacent to where a new value would be inserted in the tree. The value + * is a modified "avl_node_t *". The bottom bit (normally 0 for a + * pointer) is set to indicate if that the new node has a value greater + * than the value of the indicated "avl_node_t *". + * + * Note - in addition to userland (e.g. libavl and libutil) and the kernel + * (e.g. genunix), avl.c is compiled into ld.so and kmdb's genunix module, + * which each have their own compilation environments and subsequent + * requirements. Each of these environments must be considered when adding + * dependencies from avl.c. + */ + +#include +#include +#include +#include +#include + +/* + * Small arrays to translate between balance (or diff) values and child indices. + * + * Code that deals with binary tree data structures will randomly use + * left and right children when examining a tree. C "if()" statements + * which evaluate randomly suffer from very poor hardware branch prediction. + * In this code we avoid some of the branch mispredictions by using the + * following translation arrays. They replace random branches with an + * additional memory reference. Since the translation arrays are both very + * small the data should remain efficiently in cache. + */ +static const int avl_child2balance[2] = {-1, 1}; +static const int avl_balance2child[] = {0, 0, 1}; + + +/* + * Walk from one node to the previous valued node (ie. an infix walk + * towards the left). At any given node we do one of 2 things: + * + * - If there is a left child, go to it, then to it's rightmost descendant. + * + * - otherwise we return through parent nodes until we've come from a right + * child. + * + * Return Value: + * NULL - if at the end of the nodes + * otherwise next node + */ +void * +avl_walk(avl_tree_t *tree, void *oldnode, int left) +{ + size_t off = tree->avl_offset; + avl_node_t *node = AVL_DATA2NODE(oldnode, off); + int right = 1 - left; + int was_child; + + + /* + * nowhere to walk to if tree is empty + */ + if (node == NULL) + return (NULL); + + /* + * Visit the previous valued node. There are two possibilities: + * + * If this node has a left child, go down one left, then all + * the way right. + */ + if (node->avl_child[left] != NULL) { + for (node = node->avl_child[left]; + node->avl_child[right] != NULL; + node = node->avl_child[right]) + ; + /* + * Otherwise, return thru left children as far as we can. + */ + } else { + for (;;) { + was_child = AVL_XCHILD(node); + node = AVL_XPARENT(node); + if (node == NULL) + return (NULL); + if (was_child == right) + break; + } + } + + return (AVL_NODE2DATA(node, off)); +} + +/* + * Return the lowest valued node in a tree or NULL. + * (leftmost child from root of tree) + */ +void * +avl_first(avl_tree_t *tree) +{ + avl_node_t *node; + avl_node_t *prev = NULL; + size_t off = tree->avl_offset; + + for (node = tree->avl_root; node != NULL; node = node->avl_child[0]) + prev = node; + + if (prev != NULL) + return (AVL_NODE2DATA(prev, off)); + return (NULL); +} + +/* + * Return the highest valued node in a tree or NULL. + * (rightmost child from root of tree) + */ +void * +avl_last(avl_tree_t *tree) +{ + avl_node_t *node; + avl_node_t *prev = NULL; + size_t off = tree->avl_offset; + + for (node = tree->avl_root; node != NULL; node = node->avl_child[1]) + prev = node; + + if (prev != NULL) + return (AVL_NODE2DATA(prev, off)); + return (NULL); +} + +/* + * Access the node immediately before or after an insertion point. + * + * "avl_index_t" is a (avl_node_t *) with the bottom bit indicating a child + * + * Return value: + * NULL: no node in the given direction + * "void *" of the found tree node + */ +void * +avl_nearest(avl_tree_t *tree, avl_index_t where, int direction) +{ + int child = AVL_INDEX2CHILD(where); + avl_node_t *node = AVL_INDEX2NODE(where); + void *data; + size_t off = tree->avl_offset; + + if (node == NULL) { + ASSERT(tree->avl_root == NULL); + return (NULL); + } + data = AVL_NODE2DATA(node, off); + if (child != direction) + return (data); + + return (avl_walk(tree, data, direction)); +} + + +/* + * Search for the node which contains "value". The algorithm is a + * simple binary tree search. + * + * return value: + * NULL: the value is not in the AVL tree + * *where (if not NULL) is set to indicate the insertion point + * "void *" of the found tree node + */ +void * +avl_find(avl_tree_t *tree, const void *value, avl_index_t *where) +{ + avl_node_t *node; + avl_node_t *prev = NULL; + int child = 0; + int diff; + size_t off = tree->avl_offset; + + for (node = tree->avl_root; node != NULL; + node = node->avl_child[child]) { + + prev = node; + + diff = tree->avl_compar(value, AVL_NODE2DATA(node, off)); + ASSERT(-1 <= diff && diff <= 1); + if (diff == 0) { +#ifdef DEBUG + if (where != NULL) + *where = 0; +#endif + return (AVL_NODE2DATA(node, off)); + } + child = avl_balance2child[1 + diff]; + + } + + if (where != NULL) + *where = AVL_MKINDEX(prev, child); + + return (NULL); +} + + +/* + * Perform a rotation to restore balance at the subtree given by depth. + * + * This routine is used by both insertion and deletion. The return value + * indicates: + * 0 : subtree did not change height + * !0 : subtree was reduced in height + * + * The code is written as if handling left rotations, right rotations are + * symmetric and handled by swapping values of variables right/left[_heavy] + * + * On input balance is the "new" balance at "node". This value is either + * -2 or +2. + */ +static int +avl_rotation(avl_tree_t *tree, avl_node_t *node, int balance) +{ + int left = !(balance < 0); /* when balance = -2, left will be 0 */ + int right = 1 - left; + int left_heavy = balance >> 1; + int right_heavy = -left_heavy; + avl_node_t *parent = AVL_XPARENT(node); + avl_node_t *child = node->avl_child[left]; + avl_node_t *cright; + avl_node_t *gchild; + avl_node_t *gright; + avl_node_t *gleft; + int which_child = AVL_XCHILD(node); + int child_bal = AVL_XBALANCE(child); + + /* BEGIN CSTYLED */ + /* + * case 1 : node is overly left heavy, the left child is balanced or + * also left heavy. This requires the following rotation. + * + * (node bal:-2) + * / \ + * / \ + * (child bal:0 or -1) + * / \ + * / \ + * cright + * + * becomes: + * + * (child bal:1 or 0) + * / \ + * / \ + * (node bal:-1 or 0) + * / \ + * / \ + * cright + * + * we detect this situation by noting that child's balance is not + * right_heavy. + */ + /* END CSTYLED */ + if (child_bal != right_heavy) { + + /* + * compute new balance of nodes + * + * If child used to be left heavy (now balanced) we reduced + * the height of this sub-tree -- used in "return...;" below + */ + child_bal += right_heavy; /* adjust towards right */ + + /* + * move "cright" to be node's left child + */ + cright = child->avl_child[right]; + node->avl_child[left] = cright; + if (cright != NULL) { + AVL_SETPARENT(cright, node); + AVL_SETCHILD(cright, left); + } + + /* + * move node to be child's right child + */ + child->avl_child[right] = node; + AVL_SETBALANCE(node, -child_bal); + AVL_SETCHILD(node, right); + AVL_SETPARENT(node, child); + + /* + * update the pointer into this subtree + */ + AVL_SETBALANCE(child, child_bal); + AVL_SETCHILD(child, which_child); + AVL_SETPARENT(child, parent); + if (parent != NULL) + parent->avl_child[which_child] = child; + else + tree->avl_root = child; + + return (child_bal == 0); + } + + /* BEGIN CSTYLED */ + /* + * case 2 : When node is left heavy, but child is right heavy we use + * a different rotation. + * + * (node b:-2) + * / \ + * / \ + * / \ + * (child b:+1) + * / \ + * / \ + * (gchild b: != 0) + * / \ + * / \ + * gleft gright + * + * becomes: + * + * (gchild b:0) + * / \ + * / \ + * / \ + * (child b:?) (node b:?) + * / \ / \ + * / \ / \ + * gleft gright + * + * computing the new balances is more complicated. As an example: + * if gchild was right_heavy, then child is now left heavy + * else it is balanced + */ + /* END CSTYLED */ + gchild = child->avl_child[right]; + gleft = gchild->avl_child[left]; + gright = gchild->avl_child[right]; + + /* + * move gright to left child of node and + * + * move gleft to right child of node + */ + node->avl_child[left] = gright; + if (gright != NULL) { + AVL_SETPARENT(gright, node); + AVL_SETCHILD(gright, left); + } + + child->avl_child[right] = gleft; + if (gleft != NULL) { + AVL_SETPARENT(gleft, child); + AVL_SETCHILD(gleft, right); + } + + /* + * move child to left child of gchild and + * + * move node to right child of gchild and + * + * fixup parent of all this to point to gchild + */ + balance = AVL_XBALANCE(gchild); + gchild->avl_child[left] = child; + AVL_SETBALANCE(child, (balance == right_heavy ? left_heavy : 0)); + AVL_SETPARENT(child, gchild); + AVL_SETCHILD(child, left); + + gchild->avl_child[right] = node; + AVL_SETBALANCE(node, (balance == left_heavy ? right_heavy : 0)); + AVL_SETPARENT(node, gchild); + AVL_SETCHILD(node, right); + + AVL_SETBALANCE(gchild, 0); + AVL_SETPARENT(gchild, parent); + AVL_SETCHILD(gchild, which_child); + if (parent != NULL) + parent->avl_child[which_child] = gchild; + else + tree->avl_root = gchild; + + return (1); /* the new tree is always shorter */ +} + + +/* + * Insert a new node into an AVL tree at the specified (from avl_find()) place. + * + * Newly inserted nodes are always leaf nodes in the tree, since avl_find() + * searches out to the leaf positions. The avl_index_t indicates the node + * which will be the parent of the new node. + * + * After the node is inserted, a single rotation further up the tree may + * be necessary to maintain an acceptable AVL balance. + */ +void +avl_insert(avl_tree_t *tree, void *new_data, avl_index_t where) +{ + avl_node_t *node; + avl_node_t *parent = AVL_INDEX2NODE(where); + int old_balance; + int new_balance; + int which_child = AVL_INDEX2CHILD(where); + size_t off = tree->avl_offset; + + ASSERT(tree); +#ifdef _LP64 + ASSERT(((uintptr_t)new_data & 0x7) == 0); +#endif + + node = AVL_DATA2NODE(new_data, off); + + /* + * First, add the node to the tree at the indicated position. + */ + ++tree->avl_numnodes; + + node->avl_child[0] = NULL; + node->avl_child[1] = NULL; + + AVL_SETCHILD(node, which_child); + AVL_SETBALANCE(node, 0); + AVL_SETPARENT(node, parent); + if (parent != NULL) { + ASSERT(parent->avl_child[which_child] == NULL); + parent->avl_child[which_child] = node; + } else { + ASSERT(tree->avl_root == NULL); + tree->avl_root = node; + } + /* + * Now, back up the tree modifying the balance of all nodes above the + * insertion point. If we get to a highly unbalanced ancestor, we + * need to do a rotation. If we back out of the tree we are done. + * If we brought any subtree into perfect balance (0), we are also done. + */ + for (;;) { + node = parent; + if (node == NULL) + return; + + /* + * Compute the new balance + */ + old_balance = AVL_XBALANCE(node); + new_balance = old_balance + avl_child2balance[which_child]; + + /* + * If we introduced equal balance, then we are done immediately + */ + if (new_balance == 0) { + AVL_SETBALANCE(node, 0); + return; + } + + /* + * If both old and new are not zero we went + * from -1 to -2 balance, do a rotation. + */ + if (old_balance != 0) + break; + + AVL_SETBALANCE(node, new_balance); + parent = AVL_XPARENT(node); + which_child = AVL_XCHILD(node); + } + + /* + * perform a rotation to fix the tree and return + */ + (void) avl_rotation(tree, node, new_balance); +} + +/* + * Insert "new_data" in "tree" in the given "direction" either after or + * before (AVL_AFTER, AVL_BEFORE) the data "here". + * + * Insertions can only be done at empty leaf points in the tree, therefore + * if the given child of the node is already present we move to either + * the AVL_PREV or AVL_NEXT and reverse the insertion direction. Since + * every other node in the tree is a leaf, this always works. + * + * To help developers using this interface, we assert that the new node + * is correctly ordered at every step of the way in DEBUG kernels. + */ +void +avl_insert_here( + avl_tree_t *tree, + void *new_data, + void *here, + int direction) +{ + avl_node_t *node; + int child = direction; /* rely on AVL_BEFORE == 0, AVL_AFTER == 1 */ +#ifdef DEBUG + int diff; +#endif + + ASSERT(tree != NULL); + ASSERT(new_data != NULL); + ASSERT(here != NULL); + ASSERT(direction == AVL_BEFORE || direction == AVL_AFTER); + + /* + * If corresponding child of node is not NULL, go to the neighboring + * node and reverse the insertion direction. + */ + node = AVL_DATA2NODE(here, tree->avl_offset); + +#ifdef DEBUG + diff = tree->avl_compar(new_data, here); + ASSERT(-1 <= diff && diff <= 1); + ASSERT(diff != 0); + ASSERT(diff > 0 ? child == 1 : child == 0); +#endif + + if (node->avl_child[child] != NULL) { + node = node->avl_child[child]; + child = 1 - child; + while (node->avl_child[child] != NULL) { +#ifdef DEBUG + diff = tree->avl_compar(new_data, + AVL_NODE2DATA(node, tree->avl_offset)); + ASSERT(-1 <= diff && diff <= 1); + ASSERT(diff != 0); + ASSERT(diff > 0 ? child == 1 : child == 0); +#endif + node = node->avl_child[child]; + } +#ifdef DEBUG + diff = tree->avl_compar(new_data, + AVL_NODE2DATA(node, tree->avl_offset)); + ASSERT(-1 <= diff && diff <= 1); + ASSERT(diff != 0); + ASSERT(diff > 0 ? child == 1 : child == 0); +#endif + } + ASSERT(node->avl_child[child] == NULL); + + avl_insert(tree, new_data, AVL_MKINDEX(node, child)); +} + +/* + * Add a new node to an AVL tree. + */ +void +avl_add(avl_tree_t *tree, void *new_node) +{ + avl_index_t where = 0; + + /* + * This is unfortunate. We want to call panic() here, even for + * non-DEBUG kernels. In userland, however, we can't depend on anything + * in libc or else the rtld build process gets confused. So, all we can + * do in userland is resort to a normal ASSERT(). + */ + if (avl_find(tree, new_node, &where) != NULL) +#ifdef _KERNEL + panic("avl_find() succeeded inside avl_add()"); +#else + ASSERT(0); +#endif + avl_insert(tree, new_node, where); +} + +/* + * Delete a node from the AVL tree. Deletion is similar to insertion, but + * with 2 complications. + * + * First, we may be deleting an interior node. Consider the following subtree: + * + * d c c + * / \ / \ / \ + * b e b e b e + * / \ / \ / + * a c a a + * + * When we are deleting node (d), we find and bring up an adjacent valued leaf + * node, say (c), to take the interior node's place. In the code this is + * handled by temporarily swapping (d) and (c) in the tree and then using + * common code to delete (d) from the leaf position. + * + * Secondly, an interior deletion from a deep tree may require more than one + * rotation to fix the balance. This is handled by moving up the tree through + * parents and applying rotations as needed. The return value from + * avl_rotation() is used to detect when a subtree did not change overall + * height due to a rotation. + */ +void +avl_remove(avl_tree_t *tree, void *data) +{ + avl_node_t *delete; + avl_node_t *parent; + avl_node_t *node; + avl_node_t tmp; + int old_balance; + int new_balance; + int left; + int right; + int which_child; + size_t off = tree->avl_offset; + + ASSERT(tree); + + delete = AVL_DATA2NODE(data, off); + + /* + * Deletion is easiest with a node that has at most 1 child. + * We swap a node with 2 children with a sequentially valued + * neighbor node. That node will have at most 1 child. Note this + * has no effect on the ordering of the remaining nodes. + * + * As an optimization, we choose the greater neighbor if the tree + * is right heavy, otherwise the left neighbor. This reduces the + * number of rotations needed. + */ + if (delete->avl_child[0] != NULL && delete->avl_child[1] != NULL) { + + /* + * choose node to swap from whichever side is taller + */ + old_balance = AVL_XBALANCE(delete); + left = avl_balance2child[old_balance + 1]; + right = 1 - left; + + /* + * get to the previous value'd node + * (down 1 left, as far as possible right) + */ + for (node = delete->avl_child[left]; + node->avl_child[right] != NULL; + node = node->avl_child[right]) + ; + + /* + * create a temp placeholder for 'node' + * move 'node' to delete's spot in the tree + */ + tmp = *node; + + *node = *delete; + if (node->avl_child[left] == node) + node->avl_child[left] = &tmp; + + parent = AVL_XPARENT(node); + if (parent != NULL) + parent->avl_child[AVL_XCHILD(node)] = node; + else + tree->avl_root = node; + AVL_SETPARENT(node->avl_child[left], node); + AVL_SETPARENT(node->avl_child[right], node); + + /* + * Put tmp where node used to be (just temporary). + * It always has a parent and at most 1 child. + */ + delete = &tmp; + parent = AVL_XPARENT(delete); + parent->avl_child[AVL_XCHILD(delete)] = delete; + which_child = (delete->avl_child[1] != 0); + if (delete->avl_child[which_child] != NULL) + AVL_SETPARENT(delete->avl_child[which_child], delete); + } + + + /* + * Here we know "delete" is at least partially a leaf node. It can + * be easily removed from the tree. + */ + ASSERT(tree->avl_numnodes > 0); + --tree->avl_numnodes; + parent = AVL_XPARENT(delete); + which_child = AVL_XCHILD(delete); + if (delete->avl_child[0] != NULL) + node = delete->avl_child[0]; + else + node = delete->avl_child[1]; + + /* + * Connect parent directly to node (leaving out delete). + */ + if (node != NULL) { + AVL_SETPARENT(node, parent); + AVL_SETCHILD(node, which_child); + } + if (parent == NULL) { + tree->avl_root = node; + return; + } + parent->avl_child[which_child] = node; + + + /* + * Since the subtree is now shorter, begin adjusting parent balances + * and performing any needed rotations. + */ + do { + + /* + * Move up the tree and adjust the balance + * + * Capture the parent and which_child values for the next + * iteration before any rotations occur. + */ + node = parent; + old_balance = AVL_XBALANCE(node); + new_balance = old_balance - avl_child2balance[which_child]; + parent = AVL_XPARENT(node); + which_child = AVL_XCHILD(node); + + /* + * If a node was in perfect balance but isn't anymore then + * we can stop, since the height didn't change above this point + * due to a deletion. + */ + if (old_balance == 0) { + AVL_SETBALANCE(node, new_balance); + break; + } + + /* + * If the new balance is zero, we don't need to rotate + * else + * need a rotation to fix the balance. + * If the rotation doesn't change the height + * of the sub-tree we have finished adjusting. + */ + if (new_balance == 0) + AVL_SETBALANCE(node, new_balance); + else if (!avl_rotation(tree, node, new_balance)) + break; + } while (parent != NULL); +} + +#define AVL_REINSERT(tree, obj) \ + avl_remove((tree), (obj)); \ + avl_add((tree), (obj)) + +boolean_t +avl_update_lt(avl_tree_t *t, void *obj) +{ + void *neighbor; + + ASSERT(((neighbor = AVL_NEXT(t, obj)) == NULL) || + (t->avl_compar(obj, neighbor) <= 0)); + + neighbor = AVL_PREV(t, obj); + if ((neighbor != NULL) && (t->avl_compar(obj, neighbor) < 0)) { + AVL_REINSERT(t, obj); + return (B_TRUE); + } + + return (B_FALSE); +} + +boolean_t +avl_update_gt(avl_tree_t *t, void *obj) +{ + void *neighbor; + + ASSERT(((neighbor = AVL_PREV(t, obj)) == NULL) || + (t->avl_compar(obj, neighbor) >= 0)); + + neighbor = AVL_NEXT(t, obj); + if ((neighbor != NULL) && (t->avl_compar(obj, neighbor) > 0)) { + AVL_REINSERT(t, obj); + return (B_TRUE); + } + + return (B_FALSE); +} + +boolean_t +avl_update(avl_tree_t *t, void *obj) +{ + void *neighbor; + + neighbor = AVL_PREV(t, obj); + if ((neighbor != NULL) && (t->avl_compar(obj, neighbor) < 0)) { + AVL_REINSERT(t, obj); + return (B_TRUE); + } + + neighbor = AVL_NEXT(t, obj); + if ((neighbor != NULL) && (t->avl_compar(obj, neighbor) > 0)) { + AVL_REINSERT(t, obj); + return (B_TRUE); + } + + return (B_FALSE); +} + +void +avl_swap(avl_tree_t *tree1, avl_tree_t *tree2) +{ + avl_node_t *temp_node; + ulong_t temp_numnodes; + + ASSERT3P(tree1->avl_compar, ==, tree2->avl_compar); + ASSERT3U(tree1->avl_offset, ==, tree2->avl_offset); + ASSERT3U(tree1->avl_size, ==, tree2->avl_size); + + temp_node = tree1->avl_root; + temp_numnodes = tree1->avl_numnodes; + tree1->avl_root = tree2->avl_root; + tree1->avl_numnodes = tree2->avl_numnodes; + tree2->avl_root = temp_node; + tree2->avl_numnodes = temp_numnodes; +} + +/* + * initialize a new AVL tree + */ +void +avl_create(avl_tree_t *tree, int (*compar) (const void *, const void *), + size_t size, size_t offset) +{ + ASSERT(tree); + ASSERT(compar); + ASSERT(size > 0); + ASSERT(size >= offset + sizeof (avl_node_t)); +#ifdef _LP64 + ASSERT((offset & 0x7) == 0); +#endif + + tree->avl_compar = compar; + tree->avl_root = NULL; + tree->avl_numnodes = 0; + tree->avl_size = size; + tree->avl_offset = offset; +} + +/* + * Delete a tree. + */ +/* ARGSUSED */ +void +avl_destroy(avl_tree_t *tree) +{ + ASSERT(tree); + ASSERT(tree->avl_numnodes == 0); + ASSERT(tree->avl_root == NULL); +} + + +/* + * Return the number of nodes in an AVL tree. + */ +ulong_t +avl_numnodes(avl_tree_t *tree) +{ + ASSERT(tree); + return (tree->avl_numnodes); +} + +boolean_t +avl_is_empty(avl_tree_t *tree) +{ + ASSERT(tree); + return (tree->avl_numnodes == 0); +} + +#define CHILDBIT (1L) + +/* + * Post-order tree walk used to visit all tree nodes and destroy the tree + * in post order. This is used for destroying a tree without paying any cost + * for rebalancing it. + * + * example: + * + * void *cookie = NULL; + * my_data_t *node; + * + * while ((node = avl_destroy_nodes(tree, &cookie)) != NULL) + * free(node); + * avl_destroy(tree); + * + * The cookie is really an avl_node_t to the current node's parent and + * an indication of which child you looked at last. + * + * On input, a cookie value of CHILDBIT indicates the tree is done. + */ +void * +avl_destroy_nodes(avl_tree_t *tree, void **cookie) +{ + avl_node_t *node; + avl_node_t *parent; + int child; + void *first; + size_t off = tree->avl_offset; + + /* + * Initial calls go to the first node or it's right descendant. + */ + if (*cookie == NULL) { + first = avl_first(tree); + + /* + * deal with an empty tree + */ + if (first == NULL) { + *cookie = (void *)CHILDBIT; + return (NULL); + } + + node = AVL_DATA2NODE(first, off); + parent = AVL_XPARENT(node); + goto check_right_side; + } + + /* + * If there is no parent to return to we are done. + */ + parent = (avl_node_t *)((uintptr_t)(*cookie) & ~CHILDBIT); + if (parent == NULL) { + if (tree->avl_root != NULL) { + ASSERT(tree->avl_numnodes == 1); + tree->avl_root = NULL; + tree->avl_numnodes = 0; + } + return (NULL); + } + + /* + * Remove the child pointer we just visited from the parent and tree. + */ + child = (uintptr_t)(*cookie) & CHILDBIT; + parent->avl_child[child] = NULL; + ASSERT(tree->avl_numnodes > 1); + --tree->avl_numnodes; + + /* + * If we just did a right child or there isn't one, go up to parent. + */ + if (child == 1 || parent->avl_child[1] == NULL) { + node = parent; + parent = AVL_XPARENT(parent); + goto done; + } + + /* + * Do parent's right child, then leftmost descendent. + */ + node = parent->avl_child[1]; + while (node->avl_child[0] != NULL) { + parent = node; + node = node->avl_child[0]; + } + + /* + * If here, we moved to a left child. It may have one + * child on the right (when balance == +1). + */ +check_right_side: + if (node->avl_child[1] != NULL) { + ASSERT(AVL_XBALANCE(node) == 1); + parent = node; + node = node->avl_child[1]; + ASSERT(node->avl_child[0] == NULL && + node->avl_child[1] == NULL); + } else { + ASSERT(AVL_XBALANCE(node) <= 0); + } + +done: + if (parent == NULL) { + *cookie = (void *)CHILDBIT; + ASSERT(node == tree->avl_root); + } else { + *cookie = (void *)((uintptr_t)parent | AVL_XCHILD(node)); + } + + return (AVL_NODE2DATA(node, off)); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +static int __init +avl_init(void) +{ + return (0); +} + +static void __exit +avl_fini(void) +{ +} + +module_init(avl_init); +module_exit(avl_fini); + +MODULE_DESCRIPTION("Generic AVL tree implementation"); +MODULE_AUTHOR(ZFS_META_AUTHOR); +MODULE_LICENSE(ZFS_META_LICENSE); +MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); + +EXPORT_SYMBOL(avl_create); +EXPORT_SYMBOL(avl_find); +EXPORT_SYMBOL(avl_insert); +EXPORT_SYMBOL(avl_insert_here); +EXPORT_SYMBOL(avl_walk); +EXPORT_SYMBOL(avl_first); +EXPORT_SYMBOL(avl_last); +EXPORT_SYMBOL(avl_nearest); +EXPORT_SYMBOL(avl_add); +EXPORT_SYMBOL(avl_swap); +EXPORT_SYMBOL(avl_is_empty); +EXPORT_SYMBOL(avl_remove); +EXPORT_SYMBOL(avl_numnodes); +EXPORT_SYMBOL(avl_destroy_nodes); +EXPORT_SYMBOL(avl_destroy); +#endif diff --git a/zfs/module/nvpair/Makefile.in b/zfs/module/nvpair/Makefile.in new file mode 100644 index 000000000000..a8144452a4b3 --- /dev/null +++ b/zfs/module/nvpair/Makefile.in @@ -0,0 +1,13 @@ +src = @abs_top_srcdir@/module/nvpair +obj = @abs_builddir@ + +MODULE := znvpair + +EXTRA_CFLAGS = $(ZFS_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +obj-$(CONFIG_ZFS) := $(MODULE).o + +$(MODULE)-objs += nvpair.o +$(MODULE)-objs += fnvpair.o +$(MODULE)-objs += nvpair_alloc_spl.o +$(MODULE)-objs += nvpair_alloc_fixed.o diff --git a/zfs/module/nvpair/fnvpair.c b/zfs/module/nvpair/fnvpair.c new file mode 100644 index 000000000000..a91b9524d8a0 --- /dev/null +++ b/zfs/module/nvpair/fnvpair.c @@ -0,0 +1,581 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#ifndef _KERNEL +#include +#endif + +/* + * "Force" nvlist wrapper. + * + * These functions wrap the nvlist_* functions with assertions that assume + * the operation is successful. This allows the caller's code to be much + * more readable, especially for the fnvlist_lookup_* and fnvpair_value_* + * functions, which can return the requested value (rather than filling in + * a pointer). + * + * These functions use NV_UNIQUE_NAME, encoding NV_ENCODE_NATIVE, and allocate + * with KM_SLEEP. + * + * More wrappers should be added as needed -- for example + * nvlist_lookup_*_array and nvpair_value_*_array. + */ + +nvlist_t * +fnvlist_alloc(void) +{ + nvlist_t *nvl; + VERIFY0(nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP)); + return (nvl); +} + +void +fnvlist_free(nvlist_t *nvl) +{ + nvlist_free(nvl); +} + +size_t +fnvlist_size(nvlist_t *nvl) +{ + size_t size; + VERIFY0(nvlist_size(nvl, &size, NV_ENCODE_NATIVE)); + return (size); +} + +/* + * Returns allocated buffer of size *sizep. Caller must free the buffer with + * fnvlist_pack_free(). + */ +char * +fnvlist_pack(nvlist_t *nvl, size_t *sizep) +{ + char *packed = 0; + VERIFY3U(nvlist_pack(nvl, &packed, sizep, NV_ENCODE_NATIVE, + KM_SLEEP), ==, 0); + return (packed); +} + +/*ARGSUSED*/ +void +fnvlist_pack_free(char *pack, size_t size) +{ +#ifdef _KERNEL + kmem_free(pack, size); +#else + free(pack); +#endif +} + +nvlist_t * +fnvlist_unpack(char *buf, size_t buflen) +{ + nvlist_t *rv; + VERIFY0(nvlist_unpack(buf, buflen, &rv, KM_SLEEP)); + return (rv); +} + +nvlist_t * +fnvlist_dup(nvlist_t *nvl) +{ + nvlist_t *rv; + VERIFY0(nvlist_dup(nvl, &rv, KM_SLEEP)); + return (rv); +} + +void +fnvlist_merge(nvlist_t *dst, nvlist_t *src) +{ + VERIFY0(nvlist_merge(dst, src, KM_SLEEP)); +} + +size_t +fnvlist_num_pairs(nvlist_t *nvl) +{ + size_t count = 0; + nvpair_t *pair; + + for (pair = nvlist_next_nvpair(nvl, 0); pair != NULL; + pair = nvlist_next_nvpair(nvl, pair)) + count++; + return (count); +} + +void +fnvlist_add_boolean(nvlist_t *nvl, const char *name) +{ + VERIFY0(nvlist_add_boolean(nvl, name)); +} + +void +fnvlist_add_boolean_value(nvlist_t *nvl, const char *name, boolean_t val) +{ + VERIFY0(nvlist_add_boolean_value(nvl, name, val)); +} + +void +fnvlist_add_byte(nvlist_t *nvl, const char *name, uchar_t val) +{ + VERIFY0(nvlist_add_byte(nvl, name, val)); +} + +void +fnvlist_add_int8(nvlist_t *nvl, const char *name, int8_t val) +{ + VERIFY0(nvlist_add_int8(nvl, name, val)); +} + +void +fnvlist_add_uint8(nvlist_t *nvl, const char *name, uint8_t val) +{ + VERIFY0(nvlist_add_uint8(nvl, name, val)); +} + +void +fnvlist_add_int16(nvlist_t *nvl, const char *name, int16_t val) +{ + VERIFY0(nvlist_add_int16(nvl, name, val)); +} + +void +fnvlist_add_uint16(nvlist_t *nvl, const char *name, uint16_t val) +{ + VERIFY0(nvlist_add_uint16(nvl, name, val)); +} + +void +fnvlist_add_int32(nvlist_t *nvl, const char *name, int32_t val) +{ + VERIFY0(nvlist_add_int32(nvl, name, val)); +} + +void +fnvlist_add_uint32(nvlist_t *nvl, const char *name, uint32_t val) +{ + VERIFY0(nvlist_add_uint32(nvl, name, val)); +} + +void +fnvlist_add_int64(nvlist_t *nvl, const char *name, int64_t val) +{ + VERIFY0(nvlist_add_int64(nvl, name, val)); +} + +void +fnvlist_add_uint64(nvlist_t *nvl, const char *name, uint64_t val) +{ + VERIFY0(nvlist_add_uint64(nvl, name, val)); +} + +void +fnvlist_add_string(nvlist_t *nvl, const char *name, const char *val) +{ + VERIFY0(nvlist_add_string(nvl, name, val)); +} + +void +fnvlist_add_nvlist(nvlist_t *nvl, const char *name, nvlist_t *val) +{ + VERIFY0(nvlist_add_nvlist(nvl, name, val)); +} + +void +fnvlist_add_nvpair(nvlist_t *nvl, nvpair_t *pair) +{ + VERIFY0(nvlist_add_nvpair(nvl, pair)); +} + +void +fnvlist_add_boolean_array(nvlist_t *nvl, const char *name, + boolean_t *val, uint_t n) +{ + VERIFY0(nvlist_add_boolean_array(nvl, name, val, n)); +} + +void +fnvlist_add_byte_array(nvlist_t *nvl, const char *name, uchar_t *val, uint_t n) +{ + VERIFY0(nvlist_add_byte_array(nvl, name, val, n)); +} + +void +fnvlist_add_int8_array(nvlist_t *nvl, const char *name, int8_t *val, uint_t n) +{ + VERIFY0(nvlist_add_int8_array(nvl, name, val, n)); +} + +void +fnvlist_add_uint8_array(nvlist_t *nvl, const char *name, uint8_t *val, uint_t n) +{ + VERIFY0(nvlist_add_uint8_array(nvl, name, val, n)); +} + +void +fnvlist_add_int16_array(nvlist_t *nvl, const char *name, int16_t *val, uint_t n) +{ + VERIFY0(nvlist_add_int16_array(nvl, name, val, n)); +} + +void +fnvlist_add_uint16_array(nvlist_t *nvl, const char *name, + uint16_t *val, uint_t n) +{ + VERIFY0(nvlist_add_uint16_array(nvl, name, val, n)); +} + +void +fnvlist_add_int32_array(nvlist_t *nvl, const char *name, int32_t *val, uint_t n) +{ + VERIFY0(nvlist_add_int32_array(nvl, name, val, n)); +} + +void +fnvlist_add_uint32_array(nvlist_t *nvl, const char *name, + uint32_t *val, uint_t n) +{ + VERIFY0(nvlist_add_uint32_array(nvl, name, val, n)); +} + +void +fnvlist_add_int64_array(nvlist_t *nvl, const char *name, int64_t *val, uint_t n) +{ + VERIFY0(nvlist_add_int64_array(nvl, name, val, n)); +} + +void +fnvlist_add_uint64_array(nvlist_t *nvl, const char *name, + uint64_t *val, uint_t n) +{ + VERIFY0(nvlist_add_uint64_array(nvl, name, val, n)); +} + +void +fnvlist_add_string_array(nvlist_t *nvl, const char *name, + char * const *val, uint_t n) +{ + VERIFY0(nvlist_add_string_array(nvl, name, val, n)); +} + +void +fnvlist_add_nvlist_array(nvlist_t *nvl, const char *name, + nvlist_t **val, uint_t n) +{ + VERIFY0(nvlist_add_nvlist_array(nvl, name, val, n)); +} + +void +fnvlist_remove(nvlist_t *nvl, const char *name) +{ + VERIFY0(nvlist_remove_all(nvl, name)); +} + +void +fnvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *pair) +{ + VERIFY0(nvlist_remove_nvpair(nvl, pair)); +} + +nvpair_t * +fnvlist_lookup_nvpair(nvlist_t *nvl, const char *name) +{ + nvpair_t *rv; + VERIFY0(nvlist_lookup_nvpair(nvl, name, &rv)); + return (rv); +} + +/* returns B_TRUE if the entry exists */ +boolean_t +fnvlist_lookup_boolean(nvlist_t *nvl, const char *name) +{ + return (nvlist_lookup_boolean(nvl, name) == 0); +} + +boolean_t +fnvlist_lookup_boolean_value(nvlist_t *nvl, const char *name) +{ + boolean_t rv; + VERIFY0(nvlist_lookup_boolean_value(nvl, name, &rv)); + return (rv); +} + +uchar_t +fnvlist_lookup_byte(nvlist_t *nvl, const char *name) +{ + uchar_t rv; + VERIFY0(nvlist_lookup_byte(nvl, name, &rv)); + return (rv); +} + +int8_t +fnvlist_lookup_int8(nvlist_t *nvl, const char *name) +{ + int8_t rv; + VERIFY0(nvlist_lookup_int8(nvl, name, &rv)); + return (rv); +} + +int16_t +fnvlist_lookup_int16(nvlist_t *nvl, const char *name) +{ + int16_t rv; + VERIFY0(nvlist_lookup_int16(nvl, name, &rv)); + return (rv); +} + +int32_t +fnvlist_lookup_int32(nvlist_t *nvl, const char *name) +{ + int32_t rv; + VERIFY0(nvlist_lookup_int32(nvl, name, &rv)); + return (rv); +} + +int64_t +fnvlist_lookup_int64(nvlist_t *nvl, const char *name) +{ + int64_t rv; + VERIFY0(nvlist_lookup_int64(nvl, name, &rv)); + return (rv); +} + +uint8_t +fnvlist_lookup_uint8(nvlist_t *nvl, const char *name) +{ + uint8_t rv; + VERIFY0(nvlist_lookup_uint8(nvl, name, &rv)); + return (rv); +} + +uint16_t +fnvlist_lookup_uint16(nvlist_t *nvl, const char *name) +{ + uint16_t rv; + VERIFY0(nvlist_lookup_uint16(nvl, name, &rv)); + return (rv); +} + +uint32_t +fnvlist_lookup_uint32(nvlist_t *nvl, const char *name) +{ + uint32_t rv; + VERIFY0(nvlist_lookup_uint32(nvl, name, &rv)); + return (rv); +} + +uint64_t +fnvlist_lookup_uint64(nvlist_t *nvl, const char *name) +{ + uint64_t rv; + VERIFY0(nvlist_lookup_uint64(nvl, name, &rv)); + return (rv); +} + +char * +fnvlist_lookup_string(nvlist_t *nvl, const char *name) +{ + char *rv; + VERIFY0(nvlist_lookup_string(nvl, name, &rv)); + return (rv); +} + +nvlist_t * +fnvlist_lookup_nvlist(nvlist_t *nvl, const char *name) +{ + nvlist_t *rv; + VERIFY0(nvlist_lookup_nvlist(nvl, name, &rv)); + return (rv); +} + +boolean_t +fnvpair_value_boolean_value(nvpair_t *nvp) +{ + boolean_t rv; + VERIFY0(nvpair_value_boolean_value(nvp, &rv)); + return (rv); +} + +uchar_t +fnvpair_value_byte(nvpair_t *nvp) +{ + uchar_t rv; + VERIFY0(nvpair_value_byte(nvp, &rv)); + return (rv); +} + +int8_t +fnvpair_value_int8(nvpair_t *nvp) +{ + int8_t rv; + VERIFY0(nvpair_value_int8(nvp, &rv)); + return (rv); +} + +int16_t +fnvpair_value_int16(nvpair_t *nvp) +{ + int16_t rv; + VERIFY0(nvpair_value_int16(nvp, &rv)); + return (rv); +} + +int32_t +fnvpair_value_int32(nvpair_t *nvp) +{ + int32_t rv; + VERIFY0(nvpair_value_int32(nvp, &rv)); + return (rv); +} + +int64_t +fnvpair_value_int64(nvpair_t *nvp) +{ + int64_t rv; + VERIFY0(nvpair_value_int64(nvp, &rv)); + return (rv); +} + +uint8_t +fnvpair_value_uint8(nvpair_t *nvp) +{ + uint8_t rv; + VERIFY0(nvpair_value_uint8(nvp, &rv)); + return (rv); +} + +uint16_t +fnvpair_value_uint16(nvpair_t *nvp) +{ + uint16_t rv; + VERIFY0(nvpair_value_uint16(nvp, &rv)); + return (rv); +} + +uint32_t +fnvpair_value_uint32(nvpair_t *nvp) +{ + uint32_t rv; + VERIFY0(nvpair_value_uint32(nvp, &rv)); + return (rv); +} + +uint64_t +fnvpair_value_uint64(nvpair_t *nvp) +{ + uint64_t rv; + VERIFY0(nvpair_value_uint64(nvp, &rv)); + return (rv); +} + +char * +fnvpair_value_string(nvpair_t *nvp) +{ + char *rv; + VERIFY0(nvpair_value_string(nvp, &rv)); + return (rv); +} + +nvlist_t * +fnvpair_value_nvlist(nvpair_t *nvp) +{ + nvlist_t *rv; + VERIFY0(nvpair_value_nvlist(nvp, &rv)); + return (rv); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) + +EXPORT_SYMBOL(fnvlist_alloc); +EXPORT_SYMBOL(fnvlist_free); +EXPORT_SYMBOL(fnvlist_size); +EXPORT_SYMBOL(fnvlist_pack); +EXPORT_SYMBOL(fnvlist_pack_free); +EXPORT_SYMBOL(fnvlist_unpack); +EXPORT_SYMBOL(fnvlist_dup); +EXPORT_SYMBOL(fnvlist_merge); + +EXPORT_SYMBOL(fnvlist_add_nvpair); +EXPORT_SYMBOL(fnvlist_add_boolean); +EXPORT_SYMBOL(fnvlist_add_boolean_value); +EXPORT_SYMBOL(fnvlist_add_byte); +EXPORT_SYMBOL(fnvlist_add_int8); +EXPORT_SYMBOL(fnvlist_add_uint8); +EXPORT_SYMBOL(fnvlist_add_int16); +EXPORT_SYMBOL(fnvlist_add_uint16); +EXPORT_SYMBOL(fnvlist_add_int32); +EXPORT_SYMBOL(fnvlist_add_uint32); +EXPORT_SYMBOL(fnvlist_add_int64); +EXPORT_SYMBOL(fnvlist_add_uint64); +EXPORT_SYMBOL(fnvlist_add_string); +EXPORT_SYMBOL(fnvlist_add_nvlist); +EXPORT_SYMBOL(fnvlist_add_boolean_array); +EXPORT_SYMBOL(fnvlist_add_byte_array); +EXPORT_SYMBOL(fnvlist_add_int8_array); +EXPORT_SYMBOL(fnvlist_add_uint8_array); +EXPORT_SYMBOL(fnvlist_add_int16_array); +EXPORT_SYMBOL(fnvlist_add_uint16_array); +EXPORT_SYMBOL(fnvlist_add_int32_array); +EXPORT_SYMBOL(fnvlist_add_uint32_array); +EXPORT_SYMBOL(fnvlist_add_int64_array); +EXPORT_SYMBOL(fnvlist_add_uint64_array); +EXPORT_SYMBOL(fnvlist_add_string_array); +EXPORT_SYMBOL(fnvlist_add_nvlist_array); + +EXPORT_SYMBOL(fnvlist_remove); +EXPORT_SYMBOL(fnvlist_remove_nvpair); + +EXPORT_SYMBOL(fnvlist_lookup_nvpair); +EXPORT_SYMBOL(fnvlist_lookup_boolean); +EXPORT_SYMBOL(fnvlist_lookup_boolean_value); +EXPORT_SYMBOL(fnvlist_lookup_byte); +EXPORT_SYMBOL(fnvlist_lookup_int8); +EXPORT_SYMBOL(fnvlist_lookup_uint8); +EXPORT_SYMBOL(fnvlist_lookup_int16); +EXPORT_SYMBOL(fnvlist_lookup_uint16); +EXPORT_SYMBOL(fnvlist_lookup_int32); +EXPORT_SYMBOL(fnvlist_lookup_uint32); +EXPORT_SYMBOL(fnvlist_lookup_int64); +EXPORT_SYMBOL(fnvlist_lookup_uint64); +EXPORT_SYMBOL(fnvlist_lookup_string); +EXPORT_SYMBOL(fnvlist_lookup_nvlist); + +EXPORT_SYMBOL(fnvpair_value_boolean_value); +EXPORT_SYMBOL(fnvpair_value_byte); +EXPORT_SYMBOL(fnvpair_value_int8); +EXPORT_SYMBOL(fnvpair_value_uint8); +EXPORT_SYMBOL(fnvpair_value_int16); +EXPORT_SYMBOL(fnvpair_value_uint16); +EXPORT_SYMBOL(fnvpair_value_int32); +EXPORT_SYMBOL(fnvpair_value_uint32); +EXPORT_SYMBOL(fnvpair_value_int64); +EXPORT_SYMBOL(fnvpair_value_uint64); +EXPORT_SYMBOL(fnvpair_value_string); +EXPORT_SYMBOL(fnvpair_value_nvlist); +EXPORT_SYMBOL(fnvlist_num_pairs); + +#endif diff --git a/zfs/module/nvpair/nvpair.c b/zfs/module/nvpair/nvpair.c new file mode 100644 index 000000000000..16a0fc3eb571 --- /dev/null +++ b/zfs/module/nvpair/nvpair.c @@ -0,0 +1,3448 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2015, 2016 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(_KERNEL) && !defined(_BOOT) +#include +#include +#include +#else +#include +#include +#include +#include +#endif + +#ifndef offsetof +#define offsetof(s, m) ((size_t)(&(((s *)0)->m))) +#endif +#define skip_whitespace(p) while ((*(p) == ' ') || (*(p) == '\t')) p++ + +/* + * nvpair.c - Provides kernel & userland interfaces for manipulating + * name-value pairs. + * + * Overview Diagram + * + * +--------------+ + * | nvlist_t | + * |--------------| + * | nvl_version | + * | nvl_nvflag | + * | nvl_priv -+-+ + * | nvl_flag | | + * | nvl_pad | | + * +--------------+ | + * V + * +--------------+ last i_nvp in list + * | nvpriv_t | +---------------------> + * |--------------| | + * +--+- nvp_list | | +------------+ + * | | nvp_last -+--+ + nv_alloc_t | + * | | nvp_curr | |------------| + * | | nvp_nva -+----> | nva_ops | + * | | nvp_stat | | nva_arg | + * | +--------------+ +------------+ + * | + * +-------+ + * V + * +---------------------+ +-------------------+ + * | i_nvp_t | +-->| i_nvp_t | +--> + * |---------------------| | |-------------------| | + * | nvi_next -+--+ | nvi_next -+--+ + * | nvi_prev (NULL) | <----+ nvi_prev | + * | . . . . . . . . . . | | . . . . . . . . . | + * | nvp (nvpair_t) | | nvp (nvpair_t) | + * | - nvp_size | | - nvp_size | + * | - nvp_name_sz | | - nvp_name_sz | + * | - nvp_value_elem | | - nvp_value_elem | + * | - nvp_type | | - nvp_type | + * | - data ... | | - data ... | + * +---------------------+ +-------------------+ + * + * + * + * +---------------------+ +---------------------+ + * | i_nvp_t | +--> +-->| i_nvp_t (last) | + * |---------------------| | | |---------------------| + * | nvi_next -+--+ ... --+ | nvi_next (NULL) | + * <-+- nvi_prev |<-- ... <----+ nvi_prev | + * | . . . . . . . . . | | . . . . . . . . . | + * | nvp (nvpair_t) | | nvp (nvpair_t) | + * | - nvp_size | | - nvp_size | + * | - nvp_name_sz | | - nvp_name_sz | + * | - nvp_value_elem | | - nvp_value_elem | + * | - DATA_TYPE_NVLIST | | - nvp_type | + * | - data (embedded) | | - data ... | + * | nvlist name | +---------------------+ + * | +--------------+ | + * | | nvlist_t | | + * | |--------------| | + * | | nvl_version | | + * | | nvl_nvflag | | + * | | nvl_priv --+---+----> + * | | nvl_flag | | + * | | nvl_pad | | + * | +--------------+ | + * +---------------------+ + * + * + * N.B. nvpair_t may be aligned on 4 byte boundary, so +4 will + * allow value to be aligned on 8 byte boundary + * + * name_len is the length of the name string including the null terminator + * so it must be >= 1 + */ +#define NVP_SIZE_CALC(name_len, data_len) \ + (NV_ALIGN((sizeof (nvpair_t)) + name_len) + NV_ALIGN(data_len)) + +static int i_get_value_size(data_type_t type, const void *data, uint_t nelem); +static int nvlist_add_common(nvlist_t *nvl, const char *name, data_type_t type, + uint_t nelem, const void *data); + +#define NV_STAT_EMBEDDED 0x1 +#define EMBEDDED_NVL(nvp) ((nvlist_t *)(void *)NVP_VALUE(nvp)) +#define EMBEDDED_NVL_ARRAY(nvp) ((nvlist_t **)(void *)NVP_VALUE(nvp)) + +#define NVP_VALOFF(nvp) (NV_ALIGN(sizeof (nvpair_t) + (nvp)->nvp_name_sz)) +#define NVPAIR2I_NVP(nvp) \ + ((i_nvp_t *)((size_t)(nvp) - offsetof(i_nvp_t, nvi_nvp))) + +#ifdef _KERNEL +int nvpair_max_recursion = 20; +#else +int nvpair_max_recursion = 100; +#endif + +int +nv_alloc_init(nv_alloc_t *nva, const nv_alloc_ops_t *nvo, /* args */ ...) +{ + va_list valist; + int err = 0; + + nva->nva_ops = nvo; + nva->nva_arg = NULL; + + va_start(valist, nvo); + if (nva->nva_ops->nv_ao_init != NULL) + err = nva->nva_ops->nv_ao_init(nva, valist); + va_end(valist); + + return (err); +} + +void +nv_alloc_reset(nv_alloc_t *nva) +{ + if (nva->nva_ops->nv_ao_reset != NULL) + nva->nva_ops->nv_ao_reset(nva); +} + +void +nv_alloc_fini(nv_alloc_t *nva) +{ + if (nva->nva_ops->nv_ao_fini != NULL) + nva->nva_ops->nv_ao_fini(nva); +} + +nv_alloc_t * +nvlist_lookup_nv_alloc(nvlist_t *nvl) +{ + nvpriv_t *priv; + + if (nvl == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (NULL); + + return (priv->nvp_nva); +} + +static void * +nv_mem_zalloc(nvpriv_t *nvp, size_t size) +{ + nv_alloc_t *nva = nvp->nvp_nva; + void *buf; + + if ((buf = nva->nva_ops->nv_ao_alloc(nva, size)) != NULL) + bzero(buf, size); + + return (buf); +} + +static void +nv_mem_free(nvpriv_t *nvp, void *buf, size_t size) +{ + nv_alloc_t *nva = nvp->nvp_nva; + + nva->nva_ops->nv_ao_free(nva, buf, size); +} + +static void +nv_priv_init(nvpriv_t *priv, nv_alloc_t *nva, uint32_t stat) +{ + bzero(priv, sizeof (nvpriv_t)); + + priv->nvp_nva = nva; + priv->nvp_stat = stat; +} + +static nvpriv_t * +nv_priv_alloc(nv_alloc_t *nva) +{ + nvpriv_t *priv; + + /* + * nv_mem_alloc() cannot called here because it needs the priv + * argument. + */ + if ((priv = nva->nva_ops->nv_ao_alloc(nva, sizeof (nvpriv_t))) == NULL) + return (NULL); + + nv_priv_init(priv, nva, 0); + + return (priv); +} + +/* + * Embedded lists need their own nvpriv_t's. We create a new + * nvpriv_t using the parameters and allocator from the parent + * list's nvpriv_t. + */ +static nvpriv_t * +nv_priv_alloc_embedded(nvpriv_t *priv) +{ + nvpriv_t *emb_priv; + + if ((emb_priv = nv_mem_zalloc(priv, sizeof (nvpriv_t))) == NULL) + return (NULL); + + nv_priv_init(emb_priv, priv->nvp_nva, NV_STAT_EMBEDDED); + + return (emb_priv); +} + +static void +nvlist_init(nvlist_t *nvl, uint32_t nvflag, nvpriv_t *priv) +{ + nvl->nvl_version = NV_VERSION; + nvl->nvl_nvflag = nvflag & (NV_UNIQUE_NAME|NV_UNIQUE_NAME_TYPE); + nvl->nvl_priv = (uint64_t)(uintptr_t)priv; + nvl->nvl_flag = 0; + nvl->nvl_pad = 0; +} + +uint_t +nvlist_nvflag(nvlist_t *nvl) +{ + return (nvl->nvl_nvflag); +} + +static nv_alloc_t * +nvlist_nv_alloc(int kmflag) +{ +#if defined(_KERNEL) && !defined(_BOOT) + switch (kmflag) { + case KM_SLEEP: + return (nv_alloc_sleep); + case KM_PUSHPAGE: + return (nv_alloc_pushpage); + default: + return (nv_alloc_nosleep); + } +#else + return (nv_alloc_nosleep); +#endif /* _KERNEL && !_BOOT */ +} + +/* + * nvlist_alloc - Allocate nvlist. + */ +int +nvlist_alloc(nvlist_t **nvlp, uint_t nvflag, int kmflag) +{ + return (nvlist_xalloc(nvlp, nvflag, nvlist_nv_alloc(kmflag))); +} + +int +nvlist_xalloc(nvlist_t **nvlp, uint_t nvflag, nv_alloc_t *nva) +{ + nvpriv_t *priv; + + if (nvlp == NULL || nva == NULL) + return (EINVAL); + + if ((priv = nv_priv_alloc(nva)) == NULL) + return (ENOMEM); + + if ((*nvlp = nv_mem_zalloc(priv, + NV_ALIGN(sizeof (nvlist_t)))) == NULL) { + nv_mem_free(priv, priv, sizeof (nvpriv_t)); + return (ENOMEM); + } + + nvlist_init(*nvlp, nvflag, priv); + + return (0); +} + +/* + * nvp_buf_alloc - Allocate i_nvp_t for storing a new nv pair. + */ +static nvpair_t * +nvp_buf_alloc(nvlist_t *nvl, size_t len) +{ + nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; + i_nvp_t *buf; + nvpair_t *nvp; + size_t nvsize; + + /* + * Allocate the buffer + */ + nvsize = len + offsetof(i_nvp_t, nvi_nvp); + + if ((buf = nv_mem_zalloc(priv, nvsize)) == NULL) + return (NULL); + + nvp = &buf->nvi_nvp; + nvp->nvp_size = len; + + return (nvp); +} + +/* + * nvp_buf_free - de-Allocate an i_nvp_t. + */ +static void +nvp_buf_free(nvlist_t *nvl, nvpair_t *nvp) +{ + nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; + size_t nvsize = nvp->nvp_size + offsetof(i_nvp_t, nvi_nvp); + + nv_mem_free(priv, NVPAIR2I_NVP(nvp), nvsize); +} + +/* + * nvp_buf_link - link a new nv pair into the nvlist. + */ +static void +nvp_buf_link(nvlist_t *nvl, nvpair_t *nvp) +{ + nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; + i_nvp_t *curr = NVPAIR2I_NVP(nvp); + + /* Put element at end of nvlist */ + if (priv->nvp_list == NULL) { + priv->nvp_list = priv->nvp_last = curr; + } else { + curr->nvi_prev = priv->nvp_last; + priv->nvp_last->nvi_next = curr; + priv->nvp_last = curr; + } +} + +/* + * nvp_buf_unlink - unlink an removed nvpair out of the nvlist. + */ +static void +nvp_buf_unlink(nvlist_t *nvl, nvpair_t *nvp) +{ + nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; + i_nvp_t *curr = NVPAIR2I_NVP(nvp); + + /* + * protect nvlist_next_nvpair() against walking on freed memory. + */ + if (priv->nvp_curr == curr) + priv->nvp_curr = curr->nvi_next; + + if (curr == priv->nvp_list) + priv->nvp_list = curr->nvi_next; + else + curr->nvi_prev->nvi_next = curr->nvi_next; + + if (curr == priv->nvp_last) + priv->nvp_last = curr->nvi_prev; + else + curr->nvi_next->nvi_prev = curr->nvi_prev; +} + +/* + * take a nvpair type and number of elements and make sure the are valid + */ +static int +i_validate_type_nelem(data_type_t type, uint_t nelem) +{ + switch (type) { + case DATA_TYPE_BOOLEAN: + if (nelem != 0) + return (EINVAL); + break; + case DATA_TYPE_BOOLEAN_VALUE: + case DATA_TYPE_BYTE: + case DATA_TYPE_INT8: + case DATA_TYPE_UINT8: + case DATA_TYPE_INT16: + case DATA_TYPE_UINT16: + case DATA_TYPE_INT32: + case DATA_TYPE_UINT32: + case DATA_TYPE_INT64: + case DATA_TYPE_UINT64: + case DATA_TYPE_STRING: + case DATA_TYPE_HRTIME: + case DATA_TYPE_NVLIST: +#if !defined(_KERNEL) + case DATA_TYPE_DOUBLE: +#endif + if (nelem != 1) + return (EINVAL); + break; + case DATA_TYPE_BOOLEAN_ARRAY: + case DATA_TYPE_BYTE_ARRAY: + case DATA_TYPE_INT8_ARRAY: + case DATA_TYPE_UINT8_ARRAY: + case DATA_TYPE_INT16_ARRAY: + case DATA_TYPE_UINT16_ARRAY: + case DATA_TYPE_INT32_ARRAY: + case DATA_TYPE_UINT32_ARRAY: + case DATA_TYPE_INT64_ARRAY: + case DATA_TYPE_UINT64_ARRAY: + case DATA_TYPE_STRING_ARRAY: + case DATA_TYPE_NVLIST_ARRAY: + /* we allow arrays with 0 elements */ + break; + default: + return (EINVAL); + } + return (0); +} + +/* + * Verify nvp_name_sz and check the name string length. + */ +static int +i_validate_nvpair_name(nvpair_t *nvp) +{ + if ((nvp->nvp_name_sz <= 0) || + (nvp->nvp_size < NVP_SIZE_CALC(nvp->nvp_name_sz, 0))) + return (EFAULT); + + /* verify the name string, make sure its terminated */ + if (NVP_NAME(nvp)[nvp->nvp_name_sz - 1] != '\0') + return (EFAULT); + + return (strlen(NVP_NAME(nvp)) == nvp->nvp_name_sz - 1 ? 0 : EFAULT); +} + +static int +i_validate_nvpair_value(data_type_t type, uint_t nelem, const void *data) +{ + switch (type) { + case DATA_TYPE_BOOLEAN_VALUE: + if (*(boolean_t *)data != B_TRUE && + *(boolean_t *)data != B_FALSE) + return (EINVAL); + break; + case DATA_TYPE_BOOLEAN_ARRAY: { + int i; + + for (i = 0; i < nelem; i++) + if (((boolean_t *)data)[i] != B_TRUE && + ((boolean_t *)data)[i] != B_FALSE) + return (EINVAL); + break; + } + default: + break; + } + + return (0); +} + +/* + * This function takes a pointer to what should be a nvpair and it's size + * and then verifies that all the nvpair fields make sense and can be + * trusted. This function is used when decoding packed nvpairs. + */ +static int +i_validate_nvpair(nvpair_t *nvp) +{ + data_type_t type = NVP_TYPE(nvp); + int size1, size2; + + /* verify nvp_name_sz, check the name string length */ + if (i_validate_nvpair_name(nvp) != 0) + return (EFAULT); + + if (i_validate_nvpair_value(type, NVP_NELEM(nvp), NVP_VALUE(nvp)) != 0) + return (EFAULT); + + /* + * verify nvp_type, nvp_value_elem, and also possibly + * verify string values and get the value size. + */ + size2 = i_get_value_size(type, NVP_VALUE(nvp), NVP_NELEM(nvp)); + size1 = nvp->nvp_size - NVP_VALOFF(nvp); + if (size2 < 0 || size1 != NV_ALIGN(size2)) + return (EFAULT); + + return (0); +} + +static int +nvlist_copy_pairs(nvlist_t *snvl, nvlist_t *dnvl) +{ + nvpriv_t *priv; + i_nvp_t *curr; + + if ((priv = (nvpriv_t *)(uintptr_t)snvl->nvl_priv) == NULL) + return (EINVAL); + + for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { + nvpair_t *nvp = &curr->nvi_nvp; + int err; + + if ((err = nvlist_add_common(dnvl, NVP_NAME(nvp), NVP_TYPE(nvp), + NVP_NELEM(nvp), NVP_VALUE(nvp))) != 0) + return (err); + } + + return (0); +} + +/* + * Frees all memory allocated for an nvpair (like embedded lists) with + * the exception of the nvpair buffer itself. + */ +static void +nvpair_free(nvpair_t *nvp) +{ + switch (NVP_TYPE(nvp)) { + case DATA_TYPE_NVLIST: + nvlist_free(EMBEDDED_NVL(nvp)); + break; + case DATA_TYPE_NVLIST_ARRAY: { + nvlist_t **nvlp = EMBEDDED_NVL_ARRAY(nvp); + int i; + + for (i = 0; i < NVP_NELEM(nvp); i++) + if (nvlp[i] != NULL) + nvlist_free(nvlp[i]); + break; + } + default: + break; + } +} + +/* + * nvlist_free - free an unpacked nvlist + */ +void +nvlist_free(nvlist_t *nvl) +{ + nvpriv_t *priv; + i_nvp_t *curr; + + if (nvl == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return; + + /* + * Unpacked nvlist are linked through i_nvp_t + */ + curr = priv->nvp_list; + while (curr != NULL) { + nvpair_t *nvp = &curr->nvi_nvp; + curr = curr->nvi_next; + + nvpair_free(nvp); + nvp_buf_free(nvl, nvp); + } + + if (!(priv->nvp_stat & NV_STAT_EMBEDDED)) + nv_mem_free(priv, nvl, NV_ALIGN(sizeof (nvlist_t))); + else + nvl->nvl_priv = 0; + + nv_mem_free(priv, priv, sizeof (nvpriv_t)); +} + +static int +nvlist_contains_nvp(nvlist_t *nvl, nvpair_t *nvp) +{ + nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; + i_nvp_t *curr; + + if (nvp == NULL) + return (0); + + for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) + if (&curr->nvi_nvp == nvp) + return (1); + + return (0); +} + +/* + * Make a copy of nvlist + */ +int +nvlist_dup(nvlist_t *nvl, nvlist_t **nvlp, int kmflag) +{ + return (nvlist_xdup(nvl, nvlp, nvlist_nv_alloc(kmflag))); +} + +int +nvlist_xdup(nvlist_t *nvl, nvlist_t **nvlp, nv_alloc_t *nva) +{ + int err; + nvlist_t *ret; + + if (nvl == NULL || nvlp == NULL) + return (EINVAL); + + if ((err = nvlist_xalloc(&ret, nvl->nvl_nvflag, nva)) != 0) + return (err); + + if ((err = nvlist_copy_pairs(nvl, ret)) != 0) + nvlist_free(ret); + else + *nvlp = ret; + + return (err); +} + +/* + * Remove all with matching name + */ +int +nvlist_remove_all(nvlist_t *nvl, const char *name) +{ + nvpriv_t *priv; + i_nvp_t *curr; + int error = ENOENT; + + if (nvl == NULL || name == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (EINVAL); + + curr = priv->nvp_list; + while (curr != NULL) { + nvpair_t *nvp = &curr->nvi_nvp; + + curr = curr->nvi_next; + if (strcmp(name, NVP_NAME(nvp)) != 0) + continue; + + nvp_buf_unlink(nvl, nvp); + nvpair_free(nvp); + nvp_buf_free(nvl, nvp); + + error = 0; + } + + return (error); +} + +/* + * Remove first one with matching name and type + */ +int +nvlist_remove(nvlist_t *nvl, const char *name, data_type_t type) +{ + nvpriv_t *priv; + i_nvp_t *curr; + + if (nvl == NULL || name == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (EINVAL); + + curr = priv->nvp_list; + while (curr != NULL) { + nvpair_t *nvp = &curr->nvi_nvp; + + if (strcmp(name, NVP_NAME(nvp)) == 0 && NVP_TYPE(nvp) == type) { + nvp_buf_unlink(nvl, nvp); + nvpair_free(nvp); + nvp_buf_free(nvl, nvp); + + return (0); + } + curr = curr->nvi_next; + } + + return (ENOENT); +} + +int +nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp) +{ + if (nvl == NULL || nvp == NULL) + return (EINVAL); + + nvp_buf_unlink(nvl, nvp); + nvpair_free(nvp); + nvp_buf_free(nvl, nvp); + return (0); +} + +/* + * This function calculates the size of an nvpair value. + * + * The data argument controls the behavior in case of the data types + * DATA_TYPE_STRING and + * DATA_TYPE_STRING_ARRAY + * Is data == NULL then the size of the string(s) is excluded. + */ +static int +i_get_value_size(data_type_t type, const void *data, uint_t nelem) +{ + uint64_t value_sz; + + if (i_validate_type_nelem(type, nelem) != 0) + return (-1); + + /* Calculate required size for holding value */ + switch (type) { + case DATA_TYPE_BOOLEAN: + value_sz = 0; + break; + case DATA_TYPE_BOOLEAN_VALUE: + value_sz = sizeof (boolean_t); + break; + case DATA_TYPE_BYTE: + value_sz = sizeof (uchar_t); + break; + case DATA_TYPE_INT8: + value_sz = sizeof (int8_t); + break; + case DATA_TYPE_UINT8: + value_sz = sizeof (uint8_t); + break; + case DATA_TYPE_INT16: + value_sz = sizeof (int16_t); + break; + case DATA_TYPE_UINT16: + value_sz = sizeof (uint16_t); + break; + case DATA_TYPE_INT32: + value_sz = sizeof (int32_t); + break; + case DATA_TYPE_UINT32: + value_sz = sizeof (uint32_t); + break; + case DATA_TYPE_INT64: + value_sz = sizeof (int64_t); + break; + case DATA_TYPE_UINT64: + value_sz = sizeof (uint64_t); + break; +#if !defined(_KERNEL) + case DATA_TYPE_DOUBLE: + value_sz = sizeof (double); + break; +#endif + case DATA_TYPE_STRING: + if (data == NULL) + value_sz = 0; + else + value_sz = strlen(data) + 1; + break; + case DATA_TYPE_BOOLEAN_ARRAY: + value_sz = (uint64_t)nelem * sizeof (boolean_t); + break; + case DATA_TYPE_BYTE_ARRAY: + value_sz = (uint64_t)nelem * sizeof (uchar_t); + break; + case DATA_TYPE_INT8_ARRAY: + value_sz = (uint64_t)nelem * sizeof (int8_t); + break; + case DATA_TYPE_UINT8_ARRAY: + value_sz = (uint64_t)nelem * sizeof (uint8_t); + break; + case DATA_TYPE_INT16_ARRAY: + value_sz = (uint64_t)nelem * sizeof (int16_t); + break; + case DATA_TYPE_UINT16_ARRAY: + value_sz = (uint64_t)nelem * sizeof (uint16_t); + break; + case DATA_TYPE_INT32_ARRAY: + value_sz = (uint64_t)nelem * sizeof (int32_t); + break; + case DATA_TYPE_UINT32_ARRAY: + value_sz = (uint64_t)nelem * sizeof (uint32_t); + break; + case DATA_TYPE_INT64_ARRAY: + value_sz = (uint64_t)nelem * sizeof (int64_t); + break; + case DATA_TYPE_UINT64_ARRAY: + value_sz = (uint64_t)nelem * sizeof (uint64_t); + break; + case DATA_TYPE_STRING_ARRAY: + value_sz = (uint64_t)nelem * sizeof (uint64_t); + + if (data != NULL) { + char *const *strs = data; + uint_t i; + + /* no alignment requirement for strings */ + for (i = 0; i < nelem; i++) { + if (strs[i] == NULL) + return (-1); + value_sz += strlen(strs[i]) + 1; + } + } + break; + case DATA_TYPE_HRTIME: + value_sz = sizeof (hrtime_t); + break; + case DATA_TYPE_NVLIST: + value_sz = NV_ALIGN(sizeof (nvlist_t)); + break; + case DATA_TYPE_NVLIST_ARRAY: + value_sz = (uint64_t)nelem * sizeof (uint64_t) + + (uint64_t)nelem * NV_ALIGN(sizeof (nvlist_t)); + break; + default: + return (-1); + } + + return (value_sz > INT32_MAX ? -1 : (int)value_sz); +} + +static int +nvlist_copy_embedded(nvlist_t *nvl, nvlist_t *onvl, nvlist_t *emb_nvl) +{ + nvpriv_t *priv; + int err; + + if ((priv = nv_priv_alloc_embedded((nvpriv_t *)(uintptr_t) + nvl->nvl_priv)) == NULL) + return (ENOMEM); + + nvlist_init(emb_nvl, onvl->nvl_nvflag, priv); + + if ((err = nvlist_copy_pairs(onvl, emb_nvl)) != 0) { + nvlist_free(emb_nvl); + emb_nvl->nvl_priv = 0; + } + + return (err); +} + +/* + * nvlist_add_common - Add new pair to nvlist + */ +static int +nvlist_add_common(nvlist_t *nvl, const char *name, + data_type_t type, uint_t nelem, const void *data) +{ + nvpair_t *nvp; + uint_t i; + + int nvp_sz, name_sz, value_sz; + int err = 0; + + if (name == NULL || nvl == NULL || nvl->nvl_priv == 0) + return (EINVAL); + + if (nelem != 0 && data == NULL) + return (EINVAL); + + /* + * Verify type and nelem and get the value size. + * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY + * is the size of the string(s) included. + */ + if ((value_sz = i_get_value_size(type, data, nelem)) < 0) + return (EINVAL); + + if (i_validate_nvpair_value(type, nelem, data) != 0) + return (EINVAL); + + /* + * If we're adding an nvlist or nvlist array, ensure that we are not + * adding the input nvlist to itself, which would cause recursion, + * and ensure that no NULL nvlist pointers are present. + */ + switch (type) { + case DATA_TYPE_NVLIST: + if (data == nvl || data == NULL) + return (EINVAL); + break; + case DATA_TYPE_NVLIST_ARRAY: { + nvlist_t **onvlp = (nvlist_t **)data; + for (i = 0; i < nelem; i++) { + if (onvlp[i] == nvl || onvlp[i] == NULL) + return (EINVAL); + } + break; + } + default: + break; + } + + /* calculate sizes of the nvpair elements and the nvpair itself */ + name_sz = strlen(name) + 1; + + nvp_sz = NVP_SIZE_CALC(name_sz, value_sz); + + if ((nvp = nvp_buf_alloc(nvl, nvp_sz)) == NULL) + return (ENOMEM); + + ASSERT(nvp->nvp_size == nvp_sz); + nvp->nvp_name_sz = name_sz; + nvp->nvp_value_elem = nelem; + nvp->nvp_type = type; + bcopy(name, NVP_NAME(nvp), name_sz); + + switch (type) { + case DATA_TYPE_BOOLEAN: + break; + case DATA_TYPE_STRING_ARRAY: { + char *const *strs = data; + char *buf = NVP_VALUE(nvp); + char **cstrs = (void *)buf; + + /* skip pre-allocated space for pointer array */ + buf += nelem * sizeof (uint64_t); + for (i = 0; i < nelem; i++) { + int slen = strlen(strs[i]) + 1; + bcopy(strs[i], buf, slen); + cstrs[i] = buf; + buf += slen; + } + break; + } + case DATA_TYPE_NVLIST: { + nvlist_t *nnvl = EMBEDDED_NVL(nvp); + nvlist_t *onvl = (nvlist_t *)data; + + if ((err = nvlist_copy_embedded(nvl, onvl, nnvl)) != 0) { + nvp_buf_free(nvl, nvp); + return (err); + } + break; + } + case DATA_TYPE_NVLIST_ARRAY: { + nvlist_t **onvlp = (nvlist_t **)data; + nvlist_t **nvlp = EMBEDDED_NVL_ARRAY(nvp); + nvlist_t *embedded = (nvlist_t *) + ((uintptr_t)nvlp + nelem * sizeof (uint64_t)); + + for (i = 0; i < nelem; i++) { + if ((err = nvlist_copy_embedded(nvl, + onvlp[i], embedded)) != 0) { + /* + * Free any successfully created lists + */ + nvpair_free(nvp); + nvp_buf_free(nvl, nvp); + return (err); + } + + nvlp[i] = embedded++; + } + break; + } + default: + bcopy(data, NVP_VALUE(nvp), value_sz); + } + + /* if unique name, remove before add */ + if (nvl->nvl_nvflag & NV_UNIQUE_NAME) + (void) nvlist_remove_all(nvl, name); + else if (nvl->nvl_nvflag & NV_UNIQUE_NAME_TYPE) + (void) nvlist_remove(nvl, name, type); + + nvp_buf_link(nvl, nvp); + + return (0); +} + +int +nvlist_add_boolean(nvlist_t *nvl, const char *name) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_BOOLEAN, 0, NULL)); +} + +int +nvlist_add_boolean_value(nvlist_t *nvl, const char *name, boolean_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_BOOLEAN_VALUE, 1, &val)); +} + +int +nvlist_add_byte(nvlist_t *nvl, const char *name, uchar_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_BYTE, 1, &val)); +} + +int +nvlist_add_int8(nvlist_t *nvl, const char *name, int8_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT8, 1, &val)); +} + +int +nvlist_add_uint8(nvlist_t *nvl, const char *name, uint8_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT8, 1, &val)); +} + +int +nvlist_add_int16(nvlist_t *nvl, const char *name, int16_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT16, 1, &val)); +} + +int +nvlist_add_uint16(nvlist_t *nvl, const char *name, uint16_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT16, 1, &val)); +} + +int +nvlist_add_int32(nvlist_t *nvl, const char *name, int32_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT32, 1, &val)); +} + +int +nvlist_add_uint32(nvlist_t *nvl, const char *name, uint32_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT32, 1, &val)); +} + +int +nvlist_add_int64(nvlist_t *nvl, const char *name, int64_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT64, 1, &val)); +} + +int +nvlist_add_uint64(nvlist_t *nvl, const char *name, uint64_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT64, 1, &val)); +} + +#if !defined(_KERNEL) +int +nvlist_add_double(nvlist_t *nvl, const char *name, double val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_DOUBLE, 1, &val)); +} +#endif + +int +nvlist_add_string(nvlist_t *nvl, const char *name, const char *val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_STRING, 1, (void *)val)); +} + +int +nvlist_add_boolean_array(nvlist_t *nvl, const char *name, + boolean_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_BOOLEAN_ARRAY, n, a)); +} + +int +nvlist_add_byte_array(nvlist_t *nvl, const char *name, uchar_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_BYTE_ARRAY, n, a)); +} + +int +nvlist_add_int8_array(nvlist_t *nvl, const char *name, int8_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT8_ARRAY, n, a)); +} + +int +nvlist_add_uint8_array(nvlist_t *nvl, const char *name, uint8_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT8_ARRAY, n, a)); +} + +int +nvlist_add_int16_array(nvlist_t *nvl, const char *name, int16_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT16_ARRAY, n, a)); +} + +int +nvlist_add_uint16_array(nvlist_t *nvl, const char *name, uint16_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT16_ARRAY, n, a)); +} + +int +nvlist_add_int32_array(nvlist_t *nvl, const char *name, int32_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT32_ARRAY, n, a)); +} + +int +nvlist_add_uint32_array(nvlist_t *nvl, const char *name, uint32_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT32_ARRAY, n, a)); +} + +int +nvlist_add_int64_array(nvlist_t *nvl, const char *name, int64_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_INT64_ARRAY, n, a)); +} + +int +nvlist_add_uint64_array(nvlist_t *nvl, const char *name, uint64_t *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_UINT64_ARRAY, n, a)); +} + +int +nvlist_add_string_array(nvlist_t *nvl, const char *name, + char *const *a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_STRING_ARRAY, n, a)); +} + +int +nvlist_add_hrtime(nvlist_t *nvl, const char *name, hrtime_t val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_HRTIME, 1, &val)); +} + +int +nvlist_add_nvlist(nvlist_t *nvl, const char *name, nvlist_t *val) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_NVLIST, 1, val)); +} + +int +nvlist_add_nvlist_array(nvlist_t *nvl, const char *name, nvlist_t **a, uint_t n) +{ + return (nvlist_add_common(nvl, name, DATA_TYPE_NVLIST_ARRAY, n, a)); +} + +/* reading name-value pairs */ +nvpair_t * +nvlist_next_nvpair(nvlist_t *nvl, nvpair_t *nvp) +{ + nvpriv_t *priv; + i_nvp_t *curr; + + if (nvl == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (NULL); + + curr = NVPAIR2I_NVP(nvp); + + /* + * Ensure that nvp is a valid nvpair on this nvlist. + * NB: nvp_curr is used only as a hint so that we don't always + * have to walk the list to determine if nvp is still on the list. + */ + if (nvp == NULL) + curr = priv->nvp_list; + else if (priv->nvp_curr == curr || nvlist_contains_nvp(nvl, nvp)) + curr = curr->nvi_next; + else + curr = NULL; + + priv->nvp_curr = curr; + + return (curr != NULL ? &curr->nvi_nvp : NULL); +} + +nvpair_t * +nvlist_prev_nvpair(nvlist_t *nvl, nvpair_t *nvp) +{ + nvpriv_t *priv; + i_nvp_t *curr; + + if (nvl == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (NULL); + + curr = NVPAIR2I_NVP(nvp); + + if (nvp == NULL) + curr = priv->nvp_last; + else if (priv->nvp_curr == curr || nvlist_contains_nvp(nvl, nvp)) + curr = curr->nvi_prev; + else + curr = NULL; + + priv->nvp_curr = curr; + + return (curr != NULL ? &curr->nvi_nvp : NULL); +} + +boolean_t +nvlist_empty(nvlist_t *nvl) +{ + nvpriv_t *priv; + + if (nvl == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (B_TRUE); + + return (priv->nvp_list == NULL); +} + +char * +nvpair_name(nvpair_t *nvp) +{ + return (NVP_NAME(nvp)); +} + +data_type_t +nvpair_type(nvpair_t *nvp) +{ + return (NVP_TYPE(nvp)); +} + +int +nvpair_type_is_array(nvpair_t *nvp) +{ + data_type_t type = NVP_TYPE(nvp); + + if ((type == DATA_TYPE_BYTE_ARRAY) || + (type == DATA_TYPE_UINT8_ARRAY) || + (type == DATA_TYPE_INT16_ARRAY) || + (type == DATA_TYPE_UINT16_ARRAY) || + (type == DATA_TYPE_INT32_ARRAY) || + (type == DATA_TYPE_UINT32_ARRAY) || + (type == DATA_TYPE_INT64_ARRAY) || + (type == DATA_TYPE_UINT64_ARRAY) || + (type == DATA_TYPE_BOOLEAN_ARRAY) || + (type == DATA_TYPE_STRING_ARRAY) || + (type == DATA_TYPE_NVLIST_ARRAY)) + return (1); + return (0); + +} + +static int +nvpair_value_common(nvpair_t *nvp, data_type_t type, uint_t *nelem, void *data) +{ + if (nvp == NULL || nvpair_type(nvp) != type) + return (EINVAL); + + /* + * For non-array types, we copy the data. + * For array types (including string), we set a pointer. + */ + switch (type) { + case DATA_TYPE_BOOLEAN: + if (nelem != NULL) + *nelem = 0; + break; + + case DATA_TYPE_BOOLEAN_VALUE: + case DATA_TYPE_BYTE: + case DATA_TYPE_INT8: + case DATA_TYPE_UINT8: + case DATA_TYPE_INT16: + case DATA_TYPE_UINT16: + case DATA_TYPE_INT32: + case DATA_TYPE_UINT32: + case DATA_TYPE_INT64: + case DATA_TYPE_UINT64: + case DATA_TYPE_HRTIME: +#if !defined(_KERNEL) + case DATA_TYPE_DOUBLE: +#endif + if (data == NULL) + return (EINVAL); + bcopy(NVP_VALUE(nvp), data, + (size_t)i_get_value_size(type, NULL, 1)); + if (nelem != NULL) + *nelem = 1; + break; + + case DATA_TYPE_NVLIST: + case DATA_TYPE_STRING: + if (data == NULL) + return (EINVAL); + *(void **)data = (void *)NVP_VALUE(nvp); + if (nelem != NULL) + *nelem = 1; + break; + + case DATA_TYPE_BOOLEAN_ARRAY: + case DATA_TYPE_BYTE_ARRAY: + case DATA_TYPE_INT8_ARRAY: + case DATA_TYPE_UINT8_ARRAY: + case DATA_TYPE_INT16_ARRAY: + case DATA_TYPE_UINT16_ARRAY: + case DATA_TYPE_INT32_ARRAY: + case DATA_TYPE_UINT32_ARRAY: + case DATA_TYPE_INT64_ARRAY: + case DATA_TYPE_UINT64_ARRAY: + case DATA_TYPE_STRING_ARRAY: + case DATA_TYPE_NVLIST_ARRAY: + if (nelem == NULL || data == NULL) + return (EINVAL); + if ((*nelem = NVP_NELEM(nvp)) != 0) + *(void **)data = (void *)NVP_VALUE(nvp); + else + *(void **)data = NULL; + break; + + default: + return (ENOTSUP); + } + + return (0); +} + +static int +nvlist_lookup_common(nvlist_t *nvl, const char *name, data_type_t type, + uint_t *nelem, void *data) +{ + nvpriv_t *priv; + nvpair_t *nvp; + i_nvp_t *curr; + + if (name == NULL || nvl == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (EINVAL); + + if (!(nvl->nvl_nvflag & (NV_UNIQUE_NAME | NV_UNIQUE_NAME_TYPE))) + return (ENOTSUP); + + for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { + nvp = &curr->nvi_nvp; + + if (strcmp(name, NVP_NAME(nvp)) == 0 && NVP_TYPE(nvp) == type) + return (nvpair_value_common(nvp, type, nelem, data)); + } + + return (ENOENT); +} + +int +nvlist_lookup_boolean(nvlist_t *nvl, const char *name) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_BOOLEAN, NULL, NULL)); +} + +int +nvlist_lookup_boolean_value(nvlist_t *nvl, const char *name, boolean_t *val) +{ + return (nvlist_lookup_common(nvl, name, + DATA_TYPE_BOOLEAN_VALUE, NULL, val)); +} + +int +nvlist_lookup_byte(nvlist_t *nvl, const char *name, uchar_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_BYTE, NULL, val)); +} + +int +nvlist_lookup_int8(nvlist_t *nvl, const char *name, int8_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT8, NULL, val)); +} + +int +nvlist_lookup_uint8(nvlist_t *nvl, const char *name, uint8_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT8, NULL, val)); +} + +int +nvlist_lookup_int16(nvlist_t *nvl, const char *name, int16_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT16, NULL, val)); +} + +int +nvlist_lookup_uint16(nvlist_t *nvl, const char *name, uint16_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT16, NULL, val)); +} + +int +nvlist_lookup_int32(nvlist_t *nvl, const char *name, int32_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT32, NULL, val)); +} + +int +nvlist_lookup_uint32(nvlist_t *nvl, const char *name, uint32_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT32, NULL, val)); +} + +int +nvlist_lookup_int64(nvlist_t *nvl, const char *name, int64_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT64, NULL, val)); +} + +int +nvlist_lookup_uint64(nvlist_t *nvl, const char *name, uint64_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT64, NULL, val)); +} + +#if !defined(_KERNEL) +int +nvlist_lookup_double(nvlist_t *nvl, const char *name, double *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_DOUBLE, NULL, val)); +} +#endif + +int +nvlist_lookup_string(nvlist_t *nvl, const char *name, char **val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_STRING, NULL, val)); +} + +int +nvlist_lookup_nvlist(nvlist_t *nvl, const char *name, nvlist_t **val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_NVLIST, NULL, val)); +} + +int +nvlist_lookup_boolean_array(nvlist_t *nvl, const char *name, + boolean_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, + DATA_TYPE_BOOLEAN_ARRAY, n, a)); +} + +int +nvlist_lookup_byte_array(nvlist_t *nvl, const char *name, + uchar_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_BYTE_ARRAY, n, a)); +} + +int +nvlist_lookup_int8_array(nvlist_t *nvl, const char *name, int8_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT8_ARRAY, n, a)); +} + +int +nvlist_lookup_uint8_array(nvlist_t *nvl, const char *name, + uint8_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT8_ARRAY, n, a)); +} + +int +nvlist_lookup_int16_array(nvlist_t *nvl, const char *name, + int16_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT16_ARRAY, n, a)); +} + +int +nvlist_lookup_uint16_array(nvlist_t *nvl, const char *name, + uint16_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT16_ARRAY, n, a)); +} + +int +nvlist_lookup_int32_array(nvlist_t *nvl, const char *name, + int32_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT32_ARRAY, n, a)); +} + +int +nvlist_lookup_uint32_array(nvlist_t *nvl, const char *name, + uint32_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT32_ARRAY, n, a)); +} + +int +nvlist_lookup_int64_array(nvlist_t *nvl, const char *name, + int64_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT64_ARRAY, n, a)); +} + +int +nvlist_lookup_uint64_array(nvlist_t *nvl, const char *name, + uint64_t **a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT64_ARRAY, n, a)); +} + +int +nvlist_lookup_string_array(nvlist_t *nvl, const char *name, + char ***a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_STRING_ARRAY, n, a)); +} + +int +nvlist_lookup_nvlist_array(nvlist_t *nvl, const char *name, + nvlist_t ***a, uint_t *n) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_NVLIST_ARRAY, n, a)); +} + +int +nvlist_lookup_hrtime(nvlist_t *nvl, const char *name, hrtime_t *val) +{ + return (nvlist_lookup_common(nvl, name, DATA_TYPE_HRTIME, NULL, val)); +} + +int +nvlist_lookup_pairs(nvlist_t *nvl, int flag, ...) +{ + va_list ap; + char *name; + int noentok = (flag & NV_FLAG_NOENTOK ? 1 : 0); + int ret = 0; + + va_start(ap, flag); + while (ret == 0 && (name = va_arg(ap, char *)) != NULL) { + data_type_t type; + void *val; + uint_t *nelem; + + switch (type = va_arg(ap, data_type_t)) { + case DATA_TYPE_BOOLEAN: + ret = nvlist_lookup_common(nvl, name, type, NULL, NULL); + break; + + case DATA_TYPE_BOOLEAN_VALUE: + case DATA_TYPE_BYTE: + case DATA_TYPE_INT8: + case DATA_TYPE_UINT8: + case DATA_TYPE_INT16: + case DATA_TYPE_UINT16: + case DATA_TYPE_INT32: + case DATA_TYPE_UINT32: + case DATA_TYPE_INT64: + case DATA_TYPE_UINT64: + case DATA_TYPE_HRTIME: + case DATA_TYPE_STRING: + case DATA_TYPE_NVLIST: +#if !defined(_KERNEL) + case DATA_TYPE_DOUBLE: +#endif + val = va_arg(ap, void *); + ret = nvlist_lookup_common(nvl, name, type, NULL, val); + break; + + case DATA_TYPE_BYTE_ARRAY: + case DATA_TYPE_BOOLEAN_ARRAY: + case DATA_TYPE_INT8_ARRAY: + case DATA_TYPE_UINT8_ARRAY: + case DATA_TYPE_INT16_ARRAY: + case DATA_TYPE_UINT16_ARRAY: + case DATA_TYPE_INT32_ARRAY: + case DATA_TYPE_UINT32_ARRAY: + case DATA_TYPE_INT64_ARRAY: + case DATA_TYPE_UINT64_ARRAY: + case DATA_TYPE_STRING_ARRAY: + case DATA_TYPE_NVLIST_ARRAY: + val = va_arg(ap, void *); + nelem = va_arg(ap, uint_t *); + ret = nvlist_lookup_common(nvl, name, type, nelem, val); + break; + + default: + ret = EINVAL; + } + + if (ret == ENOENT && noentok) + ret = 0; + } + va_end(ap); + + return (ret); +} + +/* + * Find the 'name'ed nvpair in the nvlist 'nvl'. If 'name' found, the function + * returns zero and a pointer to the matching nvpair is returned in '*ret' + * (given 'ret' is non-NULL). If 'sep' is specified then 'name' will penitrate + * multiple levels of embedded nvlists, with 'sep' as the separator. As an + * example, if sep is '.', name might look like: "a" or "a.b" or "a.c[3]" or + * "a.d[3].e[1]". This matches the C syntax for array embed (for convience, + * code also supports "a.d[3]e[1]" syntax). + * + * If 'ip' is non-NULL and the last name component is an array, return the + * value of the "...[index]" array index in *ip. For an array reference that + * is not indexed, *ip will be returned as -1. If there is a syntax error in + * 'name', and 'ep' is non-NULL then *ep will be set to point to the location + * inside the 'name' string where the syntax error was detected. + */ +static int +nvlist_lookup_nvpair_ei_sep(nvlist_t *nvl, const char *name, const char sep, + nvpair_t **ret, int *ip, char **ep) +{ + nvpair_t *nvp; + const char *np; + char *sepp = NULL; + char *idxp, *idxep; + nvlist_t **nva; + long idx = 0; + int n; + + if (ip) + *ip = -1; /* not indexed */ + if (ep) + *ep = NULL; + + if ((nvl == NULL) || (name == NULL)) + return (EINVAL); + + /* step through components of name */ + for (np = name; np && *np; np = sepp) { + /* ensure unique names */ + if (!(nvl->nvl_nvflag & NV_UNIQUE_NAME)) + return (ENOTSUP); + + /* skip white space */ + skip_whitespace(np); + if (*np == 0) + break; + + /* set 'sepp' to end of current component 'np' */ + if (sep) + sepp = strchr(np, sep); + else + sepp = NULL; + + /* find start of next "[ index ]..." */ + idxp = strchr(np, '['); + + /* if sepp comes first, set idxp to NULL */ + if (sepp && idxp && (sepp < idxp)) + idxp = NULL; + + /* + * At this point 'idxp' is set if there is an index + * expected for the current component. + */ + if (idxp) { + /* set 'n' to length of current 'np' name component */ + n = idxp++ - np; + + /* keep sepp up to date for *ep use as we advance */ + skip_whitespace(idxp); + sepp = idxp; + + /* determine the index value */ +#if defined(_KERNEL) && !defined(_BOOT) + if (ddi_strtol(idxp, &idxep, 0, &idx)) + goto fail; +#else + idx = strtol(idxp, &idxep, 0); +#endif + if (idxep == idxp) + goto fail; + + /* keep sepp up to date for *ep use as we advance */ + sepp = idxep; + + /* skip white space index value and check for ']' */ + skip_whitespace(sepp); + if (*sepp++ != ']') + goto fail; + + /* for embedded arrays, support C syntax: "a[1].b" */ + skip_whitespace(sepp); + if (sep && (*sepp == sep)) + sepp++; + } else if (sepp) { + n = sepp++ - np; + } else { + n = strlen(np); + } + + /* trim trailing whitespace by reducing length of 'np' */ + if (n == 0) + goto fail; + for (n--; (np[n] == ' ') || (np[n] == '\t'); n--) + ; + n++; + + /* skip whitespace, and set sepp to NULL if complete */ + if (sepp) { + skip_whitespace(sepp); + if (*sepp == 0) + sepp = NULL; + } + + /* + * At this point: + * o 'n' is the length of current 'np' component. + * o 'idxp' is set if there was an index, and value 'idx'. + * o 'sepp' is set to the beginning of the next component, + * and set to NULL if we have no more components. + * + * Search for nvpair with matching component name. + */ + for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; + nvp = nvlist_next_nvpair(nvl, nvp)) { + + /* continue if no match on name */ + if (strncmp(np, nvpair_name(nvp), n) || + (strlen(nvpair_name(nvp)) != n)) + continue; + + /* if indexed, verify type is array oriented */ + if (idxp && !nvpair_type_is_array(nvp)) + goto fail; + + /* + * Full match found, return nvp and idx if this + * was the last component. + */ + if (sepp == NULL) { + if (ret) + *ret = nvp; + if (ip && idxp) + *ip = (int)idx; /* return index */ + return (0); /* found */ + } + + /* + * More components: current match must be + * of DATA_TYPE_NVLIST or DATA_TYPE_NVLIST_ARRAY + * to support going deeper. + */ + if (nvpair_type(nvp) == DATA_TYPE_NVLIST) { + nvl = EMBEDDED_NVL(nvp); + break; + } else if (nvpair_type(nvp) == DATA_TYPE_NVLIST_ARRAY) { + (void) nvpair_value_nvlist_array(nvp, + &nva, (uint_t *)&n); + if ((n < 0) || (idx >= n)) + goto fail; + nvl = nva[idx]; + break; + } + + /* type does not support more levels */ + goto fail; + } + if (nvp == NULL) + goto fail; /* 'name' not found */ + + /* search for match of next component in embedded 'nvl' list */ + } + +fail: if (ep && sepp) + *ep = sepp; + return (EINVAL); +} + +/* + * Return pointer to nvpair with specified 'name'. + */ +int +nvlist_lookup_nvpair(nvlist_t *nvl, const char *name, nvpair_t **ret) +{ + return (nvlist_lookup_nvpair_ei_sep(nvl, name, 0, ret, NULL, NULL)); +} + +/* + * Determine if named nvpair exists in nvlist (use embedded separator of '.' + * and return array index). See nvlist_lookup_nvpair_ei_sep for more detailed + * description. + */ +int nvlist_lookup_nvpair_embedded_index(nvlist_t *nvl, + const char *name, nvpair_t **ret, int *ip, char **ep) +{ + return (nvlist_lookup_nvpair_ei_sep(nvl, name, '.', ret, ip, ep)); +} + +boolean_t +nvlist_exists(nvlist_t *nvl, const char *name) +{ + nvpriv_t *priv; + nvpair_t *nvp; + i_nvp_t *curr; + + if (name == NULL || nvl == NULL || + (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (B_FALSE); + + for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { + nvp = &curr->nvi_nvp; + + if (strcmp(name, NVP_NAME(nvp)) == 0) + return (B_TRUE); + } + + return (B_FALSE); +} + +int +nvpair_value_boolean_value(nvpair_t *nvp, boolean_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_BOOLEAN_VALUE, NULL, val)); +} + +int +nvpair_value_byte(nvpair_t *nvp, uchar_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_BYTE, NULL, val)); +} + +int +nvpair_value_int8(nvpair_t *nvp, int8_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT8, NULL, val)); +} + +int +nvpair_value_uint8(nvpair_t *nvp, uint8_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT8, NULL, val)); +} + +int +nvpair_value_int16(nvpair_t *nvp, int16_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT16, NULL, val)); +} + +int +nvpair_value_uint16(nvpair_t *nvp, uint16_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT16, NULL, val)); +} + +int +nvpair_value_int32(nvpair_t *nvp, int32_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT32, NULL, val)); +} + +int +nvpair_value_uint32(nvpair_t *nvp, uint32_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT32, NULL, val)); +} + +int +nvpair_value_int64(nvpair_t *nvp, int64_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT64, NULL, val)); +} + +int +nvpair_value_uint64(nvpair_t *nvp, uint64_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT64, NULL, val)); +} + +#if !defined(_KERNEL) +int +nvpair_value_double(nvpair_t *nvp, double *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_DOUBLE, NULL, val)); +} +#endif + +int +nvpair_value_string(nvpair_t *nvp, char **val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_STRING, NULL, val)); +} + +int +nvpair_value_nvlist(nvpair_t *nvp, nvlist_t **val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_NVLIST, NULL, val)); +} + +int +nvpair_value_boolean_array(nvpair_t *nvp, boolean_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_BOOLEAN_ARRAY, nelem, val)); +} + +int +nvpair_value_byte_array(nvpair_t *nvp, uchar_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_BYTE_ARRAY, nelem, val)); +} + +int +nvpair_value_int8_array(nvpair_t *nvp, int8_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT8_ARRAY, nelem, val)); +} + +int +nvpair_value_uint8_array(nvpair_t *nvp, uint8_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT8_ARRAY, nelem, val)); +} + +int +nvpair_value_int16_array(nvpair_t *nvp, int16_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT16_ARRAY, nelem, val)); +} + +int +nvpair_value_uint16_array(nvpair_t *nvp, uint16_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT16_ARRAY, nelem, val)); +} + +int +nvpair_value_int32_array(nvpair_t *nvp, int32_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT32_ARRAY, nelem, val)); +} + +int +nvpair_value_uint32_array(nvpair_t *nvp, uint32_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT32_ARRAY, nelem, val)); +} + +int +nvpair_value_int64_array(nvpair_t *nvp, int64_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_INT64_ARRAY, nelem, val)); +} + +int +nvpair_value_uint64_array(nvpair_t *nvp, uint64_t **val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_UINT64_ARRAY, nelem, val)); +} + +int +nvpair_value_string_array(nvpair_t *nvp, char ***val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_STRING_ARRAY, nelem, val)); +} + +int +nvpair_value_nvlist_array(nvpair_t *nvp, nvlist_t ***val, uint_t *nelem) +{ + return (nvpair_value_common(nvp, DATA_TYPE_NVLIST_ARRAY, nelem, val)); +} + +int +nvpair_value_hrtime(nvpair_t *nvp, hrtime_t *val) +{ + return (nvpair_value_common(nvp, DATA_TYPE_HRTIME, NULL, val)); +} + +/* + * Add specified pair to the list. + */ +int +nvlist_add_nvpair(nvlist_t *nvl, nvpair_t *nvp) +{ + if (nvl == NULL || nvp == NULL) + return (EINVAL); + + return (nvlist_add_common(nvl, NVP_NAME(nvp), NVP_TYPE(nvp), + NVP_NELEM(nvp), NVP_VALUE(nvp))); +} + +/* + * Merge the supplied nvlists and put the result in dst. + * The merged list will contain all names specified in both lists, + * the values are taken from nvl in the case of duplicates. + * Return 0 on success. + */ +/*ARGSUSED*/ +int +nvlist_merge(nvlist_t *dst, nvlist_t *nvl, int flag) +{ + if (nvl == NULL || dst == NULL) + return (EINVAL); + + if (dst != nvl) + return (nvlist_copy_pairs(nvl, dst)); + + return (0); +} + +/* + * Encoding related routines + */ +#define NVS_OP_ENCODE 0 +#define NVS_OP_DECODE 1 +#define NVS_OP_GETSIZE 2 + +typedef struct nvs_ops nvs_ops_t; + +typedef struct { + int nvs_op; + const nvs_ops_t *nvs_ops; + void *nvs_private; + nvpriv_t *nvs_priv; + int nvs_recursion; +} nvstream_t; + +/* + * nvs operations are: + * - nvs_nvlist + * encoding / decoding of a nvlist header (nvlist_t) + * calculates the size used for header and end detection + * + * - nvs_nvpair + * responsible for the first part of encoding / decoding of an nvpair + * calculates the decoded size of an nvpair + * + * - nvs_nvp_op + * second part of encoding / decoding of an nvpair + * + * - nvs_nvp_size + * calculates the encoding size of an nvpair + * + * - nvs_nvl_fini + * encodes the end detection mark (zeros). + */ +struct nvs_ops { + int (*nvs_nvlist)(nvstream_t *, nvlist_t *, size_t *); + int (*nvs_nvpair)(nvstream_t *, nvpair_t *, size_t *); + int (*nvs_nvp_op)(nvstream_t *, nvpair_t *); + int (*nvs_nvp_size)(nvstream_t *, nvpair_t *, size_t *); + int (*nvs_nvl_fini)(nvstream_t *); +}; + +typedef struct { + char nvh_encoding; /* nvs encoding method */ + char nvh_endian; /* nvs endian */ + char nvh_reserved1; /* reserved for future use */ + char nvh_reserved2; /* reserved for future use */ +} nvs_header_t; + +static int +nvs_encode_pairs(nvstream_t *nvs, nvlist_t *nvl) +{ + nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; + i_nvp_t *curr; + + /* + * Walk nvpair in list and encode each nvpair + */ + for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) + if (nvs->nvs_ops->nvs_nvpair(nvs, &curr->nvi_nvp, NULL) != 0) + return (EFAULT); + + return (nvs->nvs_ops->nvs_nvl_fini(nvs)); +} + +static int +nvs_decode_pairs(nvstream_t *nvs, nvlist_t *nvl) +{ + nvpair_t *nvp; + size_t nvsize; + int err; + + /* + * Get decoded size of next pair in stream, alloc + * memory for nvpair_t, then decode the nvpair + */ + while ((err = nvs->nvs_ops->nvs_nvpair(nvs, NULL, &nvsize)) == 0) { + if (nvsize == 0) /* end of list */ + break; + + /* make sure len makes sense */ + if (nvsize < NVP_SIZE_CALC(1, 0)) + return (EFAULT); + + if ((nvp = nvp_buf_alloc(nvl, nvsize)) == NULL) + return (ENOMEM); + + if ((err = nvs->nvs_ops->nvs_nvp_op(nvs, nvp)) != 0) { + nvp_buf_free(nvl, nvp); + return (err); + } + + if (i_validate_nvpair(nvp) != 0) { + nvpair_free(nvp); + nvp_buf_free(nvl, nvp); + return (EFAULT); + } + + nvp_buf_link(nvl, nvp); + } + return (err); +} + +static int +nvs_getsize_pairs(nvstream_t *nvs, nvlist_t *nvl, size_t *buflen) +{ + nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; + i_nvp_t *curr; + uint64_t nvsize = *buflen; + size_t size; + + /* + * Get encoded size of nvpairs in nvlist + */ + for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { + if (nvs->nvs_ops->nvs_nvp_size(nvs, &curr->nvi_nvp, &size) != 0) + return (EINVAL); + + if ((nvsize += size) > INT32_MAX) + return (EINVAL); + } + + *buflen = nvsize; + return (0); +} + +static int +nvs_operation(nvstream_t *nvs, nvlist_t *nvl, size_t *buflen) +{ + int err; + + if (nvl->nvl_priv == 0) + return (EFAULT); + + /* + * Perform the operation, starting with header, then each nvpair + */ + if ((err = nvs->nvs_ops->nvs_nvlist(nvs, nvl, buflen)) != 0) + return (err); + + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + err = nvs_encode_pairs(nvs, nvl); + break; + + case NVS_OP_DECODE: + err = nvs_decode_pairs(nvs, nvl); + break; + + case NVS_OP_GETSIZE: + err = nvs_getsize_pairs(nvs, nvl, buflen); + break; + + default: + err = EINVAL; + } + + return (err); +} + +static int +nvs_embedded(nvstream_t *nvs, nvlist_t *embedded) +{ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: { + int err; + + if (nvs->nvs_recursion >= nvpair_max_recursion) + return (EINVAL); + nvs->nvs_recursion++; + err = nvs_operation(nvs, embedded, NULL); + nvs->nvs_recursion--; + return (err); + } + case NVS_OP_DECODE: { + nvpriv_t *priv; + int err; + + if (embedded->nvl_version != NV_VERSION) + return (ENOTSUP); + + if ((priv = nv_priv_alloc_embedded(nvs->nvs_priv)) == NULL) + return (ENOMEM); + + nvlist_init(embedded, embedded->nvl_nvflag, priv); + + if (nvs->nvs_recursion >= nvpair_max_recursion) + return (EINVAL); + nvs->nvs_recursion++; + if ((err = nvs_operation(nvs, embedded, NULL)) != 0) + nvlist_free(embedded); + nvs->nvs_recursion--; + return (err); + } + default: + break; + } + + return (EINVAL); +} + +static int +nvs_embedded_nvl_array(nvstream_t *nvs, nvpair_t *nvp, size_t *size) +{ + size_t nelem = NVP_NELEM(nvp); + nvlist_t **nvlp = EMBEDDED_NVL_ARRAY(nvp); + int i; + + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + for (i = 0; i < nelem; i++) + if (nvs_embedded(nvs, nvlp[i]) != 0) + return (EFAULT); + break; + + case NVS_OP_DECODE: { + size_t len = nelem * sizeof (uint64_t); + nvlist_t *embedded = (nvlist_t *)((uintptr_t)nvlp + len); + + bzero(nvlp, len); /* don't trust packed data */ + for (i = 0; i < nelem; i++) { + if (nvs_embedded(nvs, embedded) != 0) { + nvpair_free(nvp); + return (EFAULT); + } + + nvlp[i] = embedded++; + } + break; + } + case NVS_OP_GETSIZE: { + uint64_t nvsize = 0; + + for (i = 0; i < nelem; i++) { + size_t nvp_sz = 0; + + if (nvs_operation(nvs, nvlp[i], &nvp_sz) != 0) + return (EINVAL); + + if ((nvsize += nvp_sz) > INT32_MAX) + return (EINVAL); + } + + *size = nvsize; + break; + } + default: + return (EINVAL); + } + + return (0); +} + +static int nvs_native(nvstream_t *, nvlist_t *, char *, size_t *); +static int nvs_xdr(nvstream_t *, nvlist_t *, char *, size_t *); + +/* + * Common routine for nvlist operations: + * encode, decode, getsize (encoded size). + */ +static int +nvlist_common(nvlist_t *nvl, char *buf, size_t *buflen, int encoding, + int nvs_op) +{ + int err = 0; + nvstream_t nvs; + int nvl_endian; +#ifdef _LITTLE_ENDIAN + int host_endian = 1; +#else + int host_endian = 0; +#endif /* _LITTLE_ENDIAN */ + nvs_header_t *nvh = (void *)buf; + + if (buflen == NULL || nvl == NULL || + (nvs.nvs_priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) + return (EINVAL); + + nvs.nvs_op = nvs_op; + nvs.nvs_recursion = 0; + + /* + * For NVS_OP_ENCODE and NVS_OP_DECODE make sure an nvlist and + * a buffer is allocated. The first 4 bytes in the buffer are + * used for encoding method and host endian. + */ + switch (nvs_op) { + case NVS_OP_ENCODE: + if (buf == NULL || *buflen < sizeof (nvs_header_t)) + return (EINVAL); + + nvh->nvh_encoding = encoding; + nvh->nvh_endian = nvl_endian = host_endian; + nvh->nvh_reserved1 = 0; + nvh->nvh_reserved2 = 0; + break; + + case NVS_OP_DECODE: + if (buf == NULL || *buflen < sizeof (nvs_header_t)) + return (EINVAL); + + /* get method of encoding from first byte */ + encoding = nvh->nvh_encoding; + nvl_endian = nvh->nvh_endian; + break; + + case NVS_OP_GETSIZE: + nvl_endian = host_endian; + + /* + * add the size for encoding + */ + *buflen = sizeof (nvs_header_t); + break; + + default: + return (ENOTSUP); + } + + /* + * Create an nvstream with proper encoding method + */ + switch (encoding) { + case NV_ENCODE_NATIVE: + /* + * check endianness, in case we are unpacking + * from a file + */ + if (nvl_endian != host_endian) + return (ENOTSUP); + err = nvs_native(&nvs, nvl, buf, buflen); + break; + case NV_ENCODE_XDR: + err = nvs_xdr(&nvs, nvl, buf, buflen); + break; + default: + err = ENOTSUP; + break; + } + + return (err); +} + +int +nvlist_size(nvlist_t *nvl, size_t *size, int encoding) +{ + return (nvlist_common(nvl, NULL, size, encoding, NVS_OP_GETSIZE)); +} + +/* + * Pack nvlist into contiguous memory + */ +int +nvlist_pack(nvlist_t *nvl, char **bufp, size_t *buflen, int encoding, + int kmflag) +{ + return (nvlist_xpack(nvl, bufp, buflen, encoding, + nvlist_nv_alloc(kmflag))); +} + +int +nvlist_xpack(nvlist_t *nvl, char **bufp, size_t *buflen, int encoding, + nv_alloc_t *nva) +{ + nvpriv_t nvpriv; + size_t alloc_size; + char *buf; + int err; + + if (nva == NULL || nvl == NULL || bufp == NULL || buflen == NULL) + return (EINVAL); + + if (*bufp != NULL) + return (nvlist_common(nvl, *bufp, buflen, encoding, + NVS_OP_ENCODE)); + + /* + * Here is a difficult situation: + * 1. The nvlist has fixed allocator properties. + * All other nvlist routines (like nvlist_add_*, ...) use + * these properties. + * 2. When using nvlist_pack() the user can specify his own + * allocator properties (e.g. by using KM_NOSLEEP). + * + * We use the user specified properties (2). A clearer solution + * will be to remove the kmflag from nvlist_pack(), but we will + * not change the interface. + */ + nv_priv_init(&nvpriv, nva, 0); + + if ((err = nvlist_size(nvl, &alloc_size, encoding))) + return (err); + + if ((buf = nv_mem_zalloc(&nvpriv, alloc_size)) == NULL) + return (ENOMEM); + + if ((err = nvlist_common(nvl, buf, &alloc_size, encoding, + NVS_OP_ENCODE)) != 0) { + nv_mem_free(&nvpriv, buf, alloc_size); + } else { + *buflen = alloc_size; + *bufp = buf; + } + + return (err); +} + +/* + * Unpack buf into an nvlist_t + */ +int +nvlist_unpack(char *buf, size_t buflen, nvlist_t **nvlp, int kmflag) +{ + return (nvlist_xunpack(buf, buflen, nvlp, nvlist_nv_alloc(kmflag))); +} + +int +nvlist_xunpack(char *buf, size_t buflen, nvlist_t **nvlp, nv_alloc_t *nva) +{ + nvlist_t *nvl; + int err; + + if (nvlp == NULL) + return (EINVAL); + + if ((err = nvlist_xalloc(&nvl, 0, nva)) != 0) + return (err); + + if ((err = nvlist_common(nvl, buf, &buflen, 0, NVS_OP_DECODE)) != 0) + nvlist_free(nvl); + else + *nvlp = nvl; + + return (err); +} + +/* + * Native encoding functions + */ +typedef struct { + /* + * This structure is used when decoding a packed nvpair in + * the native format. n_base points to a buffer containing the + * packed nvpair. n_end is a pointer to the end of the buffer. + * (n_end actually points to the first byte past the end of the + * buffer.) n_curr is a pointer that lies between n_base and n_end. + * It points to the current data that we are decoding. + * The amount of data left in the buffer is equal to n_end - n_curr. + * n_flag is used to recognize a packed embedded list. + */ + caddr_t n_base; + caddr_t n_end; + caddr_t n_curr; + uint_t n_flag; +} nvs_native_t; + +static int +nvs_native_create(nvstream_t *nvs, nvs_native_t *native, char *buf, + size_t buflen) +{ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + case NVS_OP_DECODE: + nvs->nvs_private = native; + native->n_curr = native->n_base = buf; + native->n_end = buf + buflen; + native->n_flag = 0; + return (0); + + case NVS_OP_GETSIZE: + nvs->nvs_private = native; + native->n_curr = native->n_base = native->n_end = NULL; + native->n_flag = 0; + return (0); + default: + return (EINVAL); + } +} + +/*ARGSUSED*/ +static void +nvs_native_destroy(nvstream_t *nvs) +{ +} + +static int +native_cp(nvstream_t *nvs, void *buf, size_t size) +{ + nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; + + if (native->n_curr + size > native->n_end) + return (EFAULT); + + /* + * The bcopy() below eliminates alignment requirement + * on the buffer (stream) and is preferred over direct access. + */ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + bcopy(buf, native->n_curr, size); + break; + case NVS_OP_DECODE: + bcopy(native->n_curr, buf, size); + break; + default: + return (EINVAL); + } + + native->n_curr += size; + return (0); +} + +/* + * operate on nvlist_t header + */ +static int +nvs_native_nvlist(nvstream_t *nvs, nvlist_t *nvl, size_t *size) +{ + nvs_native_t *native = nvs->nvs_private; + + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + case NVS_OP_DECODE: + if (native->n_flag) + return (0); /* packed embedded list */ + + native->n_flag = 1; + + /* copy version and nvflag of the nvlist_t */ + if (native_cp(nvs, &nvl->nvl_version, sizeof (int32_t)) != 0 || + native_cp(nvs, &nvl->nvl_nvflag, sizeof (int32_t)) != 0) + return (EFAULT); + + return (0); + + case NVS_OP_GETSIZE: + /* + * if calculate for packed embedded list + * 4 for end of the embedded list + * else + * 2 * sizeof (int32_t) for nvl_version and nvl_nvflag + * and 4 for end of the entire list + */ + if (native->n_flag) { + *size += 4; + } else { + native->n_flag = 1; + *size += 2 * sizeof (int32_t) + 4; + } + + return (0); + + default: + return (EINVAL); + } +} + +static int +nvs_native_nvl_fini(nvstream_t *nvs) +{ + if (nvs->nvs_op == NVS_OP_ENCODE) { + nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; + /* + * Add 4 zero bytes at end of nvlist. They are used + * for end detection by the decode routine. + */ + if (native->n_curr + sizeof (int) > native->n_end) + return (EFAULT); + + bzero(native->n_curr, sizeof (int)); + native->n_curr += sizeof (int); + } + + return (0); +} + +static int +nvpair_native_embedded(nvstream_t *nvs, nvpair_t *nvp) +{ + if (nvs->nvs_op == NVS_OP_ENCODE) { + nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; + nvlist_t *packed = (void *) + (native->n_curr - nvp->nvp_size + NVP_VALOFF(nvp)); + /* + * Null out the pointer that is meaningless in the packed + * structure. The address may not be aligned, so we have + * to use bzero. + */ + bzero((char *)packed + offsetof(nvlist_t, nvl_priv), + sizeof (uint64_t)); + } + + return (nvs_embedded(nvs, EMBEDDED_NVL(nvp))); +} + +static int +nvpair_native_embedded_array(nvstream_t *nvs, nvpair_t *nvp) +{ + if (nvs->nvs_op == NVS_OP_ENCODE) { + nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; + char *value = native->n_curr - nvp->nvp_size + NVP_VALOFF(nvp); + size_t len = NVP_NELEM(nvp) * sizeof (uint64_t); + nvlist_t *packed = (nvlist_t *)((uintptr_t)value + len); + int i; + /* + * Null out pointers that are meaningless in the packed + * structure. The addresses may not be aligned, so we have + * to use bzero. + */ + bzero(value, len); + + for (i = 0; i < NVP_NELEM(nvp); i++, packed++) + /* + * Null out the pointer that is meaningless in the + * packed structure. The address may not be aligned, + * so we have to use bzero. + */ + bzero((char *)packed + offsetof(nvlist_t, nvl_priv), + sizeof (uint64_t)); + } + + return (nvs_embedded_nvl_array(nvs, nvp, NULL)); +} + +static void +nvpair_native_string_array(nvstream_t *nvs, nvpair_t *nvp) +{ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: { + nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; + uint64_t *strp = (void *) + (native->n_curr - nvp->nvp_size + NVP_VALOFF(nvp)); + /* + * Null out pointers that are meaningless in the packed + * structure. The addresses may not be aligned, so we have + * to use bzero. + */ + bzero(strp, NVP_NELEM(nvp) * sizeof (uint64_t)); + break; + } + case NVS_OP_DECODE: { + char **strp = (void *)NVP_VALUE(nvp); + char *buf = ((char *)strp + NVP_NELEM(nvp) * sizeof (uint64_t)); + int i; + + for (i = 0; i < NVP_NELEM(nvp); i++) { + strp[i] = buf; + buf += strlen(buf) + 1; + } + break; + } + } +} + +static int +nvs_native_nvp_op(nvstream_t *nvs, nvpair_t *nvp) +{ + data_type_t type; + int value_sz; + int ret = 0; + + /* + * We do the initial bcopy of the data before we look at + * the nvpair type, because when we're decoding, we won't + * have the correct values for the pair until we do the bcopy. + */ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + case NVS_OP_DECODE: + if (native_cp(nvs, nvp, nvp->nvp_size) != 0) + return (EFAULT); + break; + default: + return (EINVAL); + } + + /* verify nvp_name_sz, check the name string length */ + if (i_validate_nvpair_name(nvp) != 0) + return (EFAULT); + + type = NVP_TYPE(nvp); + + /* + * Verify type and nelem and get the value size. + * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY + * is the size of the string(s) excluded. + */ + if ((value_sz = i_get_value_size(type, NULL, NVP_NELEM(nvp))) < 0) + return (EFAULT); + + if (NVP_SIZE_CALC(nvp->nvp_name_sz, value_sz) > nvp->nvp_size) + return (EFAULT); + + switch (type) { + case DATA_TYPE_NVLIST: + ret = nvpair_native_embedded(nvs, nvp); + break; + case DATA_TYPE_NVLIST_ARRAY: + ret = nvpair_native_embedded_array(nvs, nvp); + break; + case DATA_TYPE_STRING_ARRAY: + nvpair_native_string_array(nvs, nvp); + break; + default: + break; + } + + return (ret); +} + +static int +nvs_native_nvp_size(nvstream_t *nvs, nvpair_t *nvp, size_t *size) +{ + uint64_t nvp_sz = nvp->nvp_size; + + switch (NVP_TYPE(nvp)) { + case DATA_TYPE_NVLIST: { + size_t nvsize = 0; + + if (nvs_operation(nvs, EMBEDDED_NVL(nvp), &nvsize) != 0) + return (EINVAL); + + nvp_sz += nvsize; + break; + } + case DATA_TYPE_NVLIST_ARRAY: { + size_t nvsize; + + if (nvs_embedded_nvl_array(nvs, nvp, &nvsize) != 0) + return (EINVAL); + + nvp_sz += nvsize; + break; + } + default: + break; + } + + if (nvp_sz > INT32_MAX) + return (EINVAL); + + *size = nvp_sz; + + return (0); +} + +static int +nvs_native_nvpair(nvstream_t *nvs, nvpair_t *nvp, size_t *size) +{ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + return (nvs_native_nvp_op(nvs, nvp)); + + case NVS_OP_DECODE: { + nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; + int32_t decode_len; + + /* try to read the size value from the stream */ + if (native->n_curr + sizeof (int32_t) > native->n_end) + return (EFAULT); + bcopy(native->n_curr, &decode_len, sizeof (int32_t)); + + /* sanity check the size value */ + if (decode_len < 0 || + decode_len > native->n_end - native->n_curr) + return (EFAULT); + + *size = decode_len; + + /* + * If at the end of the stream then move the cursor + * forward, otherwise nvpair_native_op() will read + * the entire nvpair at the same cursor position. + */ + if (*size == 0) + native->n_curr += sizeof (int32_t); + break; + } + + default: + return (EINVAL); + } + + return (0); +} + +static const nvs_ops_t nvs_native_ops = { + nvs_native_nvlist, + nvs_native_nvpair, + nvs_native_nvp_op, + nvs_native_nvp_size, + nvs_native_nvl_fini +}; + +static int +nvs_native(nvstream_t *nvs, nvlist_t *nvl, char *buf, size_t *buflen) +{ + nvs_native_t native; + int err; + + nvs->nvs_ops = &nvs_native_ops; + + if ((err = nvs_native_create(nvs, &native, buf + sizeof (nvs_header_t), + *buflen - sizeof (nvs_header_t))) != 0) + return (err); + + err = nvs_operation(nvs, nvl, buflen); + + nvs_native_destroy(nvs); + + return (err); +} + +/* + * XDR encoding functions + * + * An xdr packed nvlist is encoded as: + * + * - encoding methode and host endian (4 bytes) + * - nvl_version (4 bytes) + * - nvl_nvflag (4 bytes) + * + * - encoded nvpairs, the format of one xdr encoded nvpair is: + * - encoded size of the nvpair (4 bytes) + * - decoded size of the nvpair (4 bytes) + * - name string, (4 + sizeof(NV_ALIGN4(string)) + * a string is coded as size (4 bytes) and data + * - data type (4 bytes) + * - number of elements in the nvpair (4 bytes) + * - data + * + * - 2 zero's for end of the entire list (8 bytes) + */ +static int +nvs_xdr_create(nvstream_t *nvs, XDR *xdr, char *buf, size_t buflen) +{ + /* xdr data must be 4 byte aligned */ + if ((ulong_t)buf % 4 != 0) + return (EFAULT); + + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + xdrmem_create(xdr, buf, (uint_t)buflen, XDR_ENCODE); + nvs->nvs_private = xdr; + return (0); + case NVS_OP_DECODE: + xdrmem_create(xdr, buf, (uint_t)buflen, XDR_DECODE); + nvs->nvs_private = xdr; + return (0); + case NVS_OP_GETSIZE: + nvs->nvs_private = NULL; + return (0); + default: + return (EINVAL); + } +} + +static void +nvs_xdr_destroy(nvstream_t *nvs) +{ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + case NVS_OP_DECODE: + xdr_destroy((XDR *)nvs->nvs_private); + break; + default: + break; + } +} + +static int +nvs_xdr_nvlist(nvstream_t *nvs, nvlist_t *nvl, size_t *size) +{ + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: + case NVS_OP_DECODE: { + XDR *xdr = nvs->nvs_private; + + if (!xdr_int(xdr, &nvl->nvl_version) || + !xdr_u_int(xdr, &nvl->nvl_nvflag)) + return (EFAULT); + break; + } + case NVS_OP_GETSIZE: { + /* + * 2 * 4 for nvl_version + nvl_nvflag + * and 8 for end of the entire list + */ + *size += 2 * 4 + 8; + break; + } + default: + return (EINVAL); + } + return (0); +} + +static int +nvs_xdr_nvl_fini(nvstream_t *nvs) +{ + if (nvs->nvs_op == NVS_OP_ENCODE) { + XDR *xdr = nvs->nvs_private; + int zero = 0; + + if (!xdr_int(xdr, &zero) || !xdr_int(xdr, &zero)) + return (EFAULT); + } + + return (0); +} + +/* + * The format of xdr encoded nvpair is: + * encode_size, decode_size, name string, data type, nelem, data + */ +static int +nvs_xdr_nvp_op(nvstream_t *nvs, nvpair_t *nvp) +{ + data_type_t type; + char *buf; + char *buf_end = (char *)nvp + nvp->nvp_size; + int value_sz; + uint_t nelem, buflen; + bool_t ret = FALSE; + XDR *xdr = nvs->nvs_private; + + ASSERT(xdr != NULL && nvp != NULL); + + /* name string */ + if ((buf = NVP_NAME(nvp)) >= buf_end) + return (EFAULT); + buflen = buf_end - buf; + + if (!xdr_string(xdr, &buf, buflen - 1)) + return (EFAULT); + nvp->nvp_name_sz = strlen(buf) + 1; + + /* type and nelem */ + if (!xdr_int(xdr, (int *)&nvp->nvp_type) || + !xdr_int(xdr, &nvp->nvp_value_elem)) + return (EFAULT); + + type = NVP_TYPE(nvp); + nelem = nvp->nvp_value_elem; + + /* + * Verify type and nelem and get the value size. + * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY + * is the size of the string(s) excluded. + */ + if ((value_sz = i_get_value_size(type, NULL, nelem)) < 0) + return (EFAULT); + + /* if there is no data to extract then return */ + if (nelem == 0) + return (0); + + /* value */ + if ((buf = NVP_VALUE(nvp)) >= buf_end) + return (EFAULT); + buflen = buf_end - buf; + + if (buflen < value_sz) + return (EFAULT); + + switch (type) { + case DATA_TYPE_NVLIST: + if (nvs_embedded(nvs, (void *)buf) == 0) + return (0); + break; + + case DATA_TYPE_NVLIST_ARRAY: + if (nvs_embedded_nvl_array(nvs, nvp, NULL) == 0) + return (0); + break; + + case DATA_TYPE_BOOLEAN: + ret = TRUE; + break; + + case DATA_TYPE_BYTE: + case DATA_TYPE_INT8: + case DATA_TYPE_UINT8: + ret = xdr_char(xdr, buf); + break; + + case DATA_TYPE_INT16: + ret = xdr_short(xdr, (void *)buf); + break; + + case DATA_TYPE_UINT16: + ret = xdr_u_short(xdr, (void *)buf); + break; + + case DATA_TYPE_BOOLEAN_VALUE: + case DATA_TYPE_INT32: + ret = xdr_int(xdr, (void *)buf); + break; + + case DATA_TYPE_UINT32: + ret = xdr_u_int(xdr, (void *)buf); + break; + + case DATA_TYPE_INT64: + ret = xdr_longlong_t(xdr, (void *)buf); + break; + + case DATA_TYPE_UINT64: + ret = xdr_u_longlong_t(xdr, (void *)buf); + break; + + case DATA_TYPE_HRTIME: + /* + * NOTE: must expose the definition of hrtime_t here + */ + ret = xdr_longlong_t(xdr, (void *)buf); + break; +#if !defined(_KERNEL) + case DATA_TYPE_DOUBLE: + ret = xdr_double(xdr, (void *)buf); + break; +#endif + case DATA_TYPE_STRING: + ret = xdr_string(xdr, &buf, buflen - 1); + break; + + case DATA_TYPE_BYTE_ARRAY: + ret = xdr_opaque(xdr, buf, nelem); + break; + + case DATA_TYPE_INT8_ARRAY: + case DATA_TYPE_UINT8_ARRAY: + ret = xdr_array(xdr, &buf, &nelem, buflen, sizeof (int8_t), + (xdrproc_t)xdr_char); + break; + + case DATA_TYPE_INT16_ARRAY: + ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (int16_t), + sizeof (int16_t), (xdrproc_t)xdr_short); + break; + + case DATA_TYPE_UINT16_ARRAY: + ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (uint16_t), + sizeof (uint16_t), (xdrproc_t)xdr_u_short); + break; + + case DATA_TYPE_BOOLEAN_ARRAY: + case DATA_TYPE_INT32_ARRAY: + ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (int32_t), + sizeof (int32_t), (xdrproc_t)xdr_int); + break; + + case DATA_TYPE_UINT32_ARRAY: + ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (uint32_t), + sizeof (uint32_t), (xdrproc_t)xdr_u_int); + break; + + case DATA_TYPE_INT64_ARRAY: + ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (int64_t), + sizeof (int64_t), (xdrproc_t)xdr_longlong_t); + break; + + case DATA_TYPE_UINT64_ARRAY: + ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (uint64_t), + sizeof (uint64_t), (xdrproc_t)xdr_u_longlong_t); + break; + + case DATA_TYPE_STRING_ARRAY: { + size_t len = nelem * sizeof (uint64_t); + char **strp = (void *)buf; + int i; + + if (nvs->nvs_op == NVS_OP_DECODE) + bzero(buf, len); /* don't trust packed data */ + + for (i = 0; i < nelem; i++) { + if (buflen <= len) + return (EFAULT); + + buf += len; + buflen -= len; + + if (xdr_string(xdr, &buf, buflen - 1) != TRUE) + return (EFAULT); + + if (nvs->nvs_op == NVS_OP_DECODE) + strp[i] = buf; + len = strlen(buf) + 1; + } + ret = TRUE; + break; + } + default: + break; + } + + return (ret == TRUE ? 0 : EFAULT); +} + +static int +nvs_xdr_nvp_size(nvstream_t *nvs, nvpair_t *nvp, size_t *size) +{ + data_type_t type = NVP_TYPE(nvp); + /* + * encode_size + decode_size + name string size + data type + nelem + * where name string size = 4 + NV_ALIGN4(strlen(NVP_NAME(nvp))) + */ + uint64_t nvp_sz = 4 + 4 + 4 + NV_ALIGN4(strlen(NVP_NAME(nvp))) + 4 + 4; + + switch (type) { + case DATA_TYPE_BOOLEAN: + break; + + case DATA_TYPE_BOOLEAN_VALUE: + case DATA_TYPE_BYTE: + case DATA_TYPE_INT8: + case DATA_TYPE_UINT8: + case DATA_TYPE_INT16: + case DATA_TYPE_UINT16: + case DATA_TYPE_INT32: + case DATA_TYPE_UINT32: + nvp_sz += 4; /* 4 is the minimum xdr unit */ + break; + + case DATA_TYPE_INT64: + case DATA_TYPE_UINT64: + case DATA_TYPE_HRTIME: +#if !defined(_KERNEL) + case DATA_TYPE_DOUBLE: +#endif + nvp_sz += 8; + break; + + case DATA_TYPE_STRING: + nvp_sz += 4 + NV_ALIGN4(strlen((char *)NVP_VALUE(nvp))); + break; + + case DATA_TYPE_BYTE_ARRAY: + nvp_sz += NV_ALIGN4(NVP_NELEM(nvp)); + break; + + case DATA_TYPE_BOOLEAN_ARRAY: + case DATA_TYPE_INT8_ARRAY: + case DATA_TYPE_UINT8_ARRAY: + case DATA_TYPE_INT16_ARRAY: + case DATA_TYPE_UINT16_ARRAY: + case DATA_TYPE_INT32_ARRAY: + case DATA_TYPE_UINT32_ARRAY: + nvp_sz += 4 + 4 * (uint64_t)NVP_NELEM(nvp); + break; + + case DATA_TYPE_INT64_ARRAY: + case DATA_TYPE_UINT64_ARRAY: + nvp_sz += 4 + 8 * (uint64_t)NVP_NELEM(nvp); + break; + + case DATA_TYPE_STRING_ARRAY: { + int i; + char **strs = (void *)NVP_VALUE(nvp); + + for (i = 0; i < NVP_NELEM(nvp); i++) + nvp_sz += 4 + NV_ALIGN4(strlen(strs[i])); + + break; + } + + case DATA_TYPE_NVLIST: + case DATA_TYPE_NVLIST_ARRAY: { + size_t nvsize = 0; + int old_nvs_op = nvs->nvs_op; + int err; + + nvs->nvs_op = NVS_OP_GETSIZE; + if (type == DATA_TYPE_NVLIST) + err = nvs_operation(nvs, EMBEDDED_NVL(nvp), &nvsize); + else + err = nvs_embedded_nvl_array(nvs, nvp, &nvsize); + nvs->nvs_op = old_nvs_op; + + if (err != 0) + return (EINVAL); + + nvp_sz += nvsize; + break; + } + + default: + return (EINVAL); + } + + if (nvp_sz > INT32_MAX) + return (EINVAL); + + *size = nvp_sz; + + return (0); +} + + +/* + * The NVS_XDR_MAX_LEN macro takes a packed xdr buffer of size x and estimates + * the largest nvpair that could be encoded in the buffer. + * + * See comments above nvpair_xdr_op() for the format of xdr encoding. + * The size of a xdr packed nvpair without any data is 5 words. + * + * Using the size of the data directly as an estimate would be ok + * in all cases except one. If the data type is of DATA_TYPE_STRING_ARRAY + * then the actual nvpair has space for an array of pointers to index + * the strings. These pointers are not encoded into the packed xdr buffer. + * + * If the data is of type DATA_TYPE_STRING_ARRAY and all the strings are + * of length 0, then each string is endcoded in xdr format as a single word. + * Therefore when expanded to an nvpair there will be 2.25 word used for + * each string. (a int64_t allocated for pointer usage, and a single char + * for the null termination.) + * + * This is the calculation performed by the NVS_XDR_MAX_LEN macro. + */ +#define NVS_XDR_HDR_LEN ((size_t)(5 * 4)) +#define NVS_XDR_DATA_LEN(y) (((size_t)(y) <= NVS_XDR_HDR_LEN) ? \ + 0 : ((size_t)(y) - NVS_XDR_HDR_LEN)) +#define NVS_XDR_MAX_LEN(x) (NVP_SIZE_CALC(1, 0) + \ + (NVS_XDR_DATA_LEN(x) * 2) + \ + NV_ALIGN4((NVS_XDR_DATA_LEN(x) / 4))) + +static int +nvs_xdr_nvpair(nvstream_t *nvs, nvpair_t *nvp, size_t *size) +{ + XDR *xdr = nvs->nvs_private; + int32_t encode_len, decode_len; + + switch (nvs->nvs_op) { + case NVS_OP_ENCODE: { + size_t nvsize; + + if (nvs_xdr_nvp_size(nvs, nvp, &nvsize) != 0) + return (EFAULT); + + decode_len = nvp->nvp_size; + encode_len = nvsize; + if (!xdr_int(xdr, &encode_len) || !xdr_int(xdr, &decode_len)) + return (EFAULT); + + return (nvs_xdr_nvp_op(nvs, nvp)); + } + case NVS_OP_DECODE: { + struct xdr_bytesrec bytesrec; + + /* get the encode and decode size */ + if (!xdr_int(xdr, &encode_len) || !xdr_int(xdr, &decode_len)) + return (EFAULT); + *size = decode_len; + + /* are we at the end of the stream? */ + if (*size == 0) + return (0); + + /* sanity check the size parameter */ + if (!xdr_control(xdr, XDR_GET_BYTES_AVAIL, &bytesrec)) + return (EFAULT); + + if (*size > NVS_XDR_MAX_LEN(bytesrec.xc_num_avail)) + return (EFAULT); + break; + } + + default: + return (EINVAL); + } + return (0); +} + +static const struct nvs_ops nvs_xdr_ops = { + nvs_xdr_nvlist, + nvs_xdr_nvpair, + nvs_xdr_nvp_op, + nvs_xdr_nvp_size, + nvs_xdr_nvl_fini +}; + +static int +nvs_xdr(nvstream_t *nvs, nvlist_t *nvl, char *buf, size_t *buflen) +{ + XDR xdr; + int err; + + nvs->nvs_ops = &nvs_xdr_ops; + + if ((err = nvs_xdr_create(nvs, &xdr, buf + sizeof (nvs_header_t), + *buflen - sizeof (nvs_header_t))) != 0) + return (err); + + err = nvs_operation(nvs, nvl, buflen); + + nvs_xdr_destroy(nvs); + + return (err); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +static int __init +nvpair_init(void) +{ + return (0); +} + +static void __exit +nvpair_fini(void) +{ +} + +module_init(nvpair_init); +module_exit(nvpair_fini); + +MODULE_DESCRIPTION("Generic name/value pair implementation"); +MODULE_AUTHOR(ZFS_META_AUTHOR); +MODULE_LICENSE(ZFS_META_LICENSE); +MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); + +EXPORT_SYMBOL(nv_alloc_init); +EXPORT_SYMBOL(nv_alloc_reset); +EXPORT_SYMBOL(nv_alloc_fini); + +/* list management */ +EXPORT_SYMBOL(nvlist_alloc); +EXPORT_SYMBOL(nvlist_free); +EXPORT_SYMBOL(nvlist_size); +EXPORT_SYMBOL(nvlist_pack); +EXPORT_SYMBOL(nvlist_unpack); +EXPORT_SYMBOL(nvlist_dup); +EXPORT_SYMBOL(nvlist_merge); + +EXPORT_SYMBOL(nvlist_xalloc); +EXPORT_SYMBOL(nvlist_xpack); +EXPORT_SYMBOL(nvlist_xunpack); +EXPORT_SYMBOL(nvlist_xdup); +EXPORT_SYMBOL(nvlist_lookup_nv_alloc); + +EXPORT_SYMBOL(nvlist_add_nvpair); +EXPORT_SYMBOL(nvlist_add_boolean); +EXPORT_SYMBOL(nvlist_add_boolean_value); +EXPORT_SYMBOL(nvlist_add_byte); +EXPORT_SYMBOL(nvlist_add_int8); +EXPORT_SYMBOL(nvlist_add_uint8); +EXPORT_SYMBOL(nvlist_add_int16); +EXPORT_SYMBOL(nvlist_add_uint16); +EXPORT_SYMBOL(nvlist_add_int32); +EXPORT_SYMBOL(nvlist_add_uint32); +EXPORT_SYMBOL(nvlist_add_int64); +EXPORT_SYMBOL(nvlist_add_uint64); +EXPORT_SYMBOL(nvlist_add_string); +EXPORT_SYMBOL(nvlist_add_nvlist); +EXPORT_SYMBOL(nvlist_add_boolean_array); +EXPORT_SYMBOL(nvlist_add_byte_array); +EXPORT_SYMBOL(nvlist_add_int8_array); +EXPORT_SYMBOL(nvlist_add_uint8_array); +EXPORT_SYMBOL(nvlist_add_int16_array); +EXPORT_SYMBOL(nvlist_add_uint16_array); +EXPORT_SYMBOL(nvlist_add_int32_array); +EXPORT_SYMBOL(nvlist_add_uint32_array); +EXPORT_SYMBOL(nvlist_add_int64_array); +EXPORT_SYMBOL(nvlist_add_uint64_array); +EXPORT_SYMBOL(nvlist_add_string_array); +EXPORT_SYMBOL(nvlist_add_nvlist_array); +EXPORT_SYMBOL(nvlist_next_nvpair); +EXPORT_SYMBOL(nvlist_prev_nvpair); +EXPORT_SYMBOL(nvlist_empty); +EXPORT_SYMBOL(nvlist_add_hrtime); + +EXPORT_SYMBOL(nvlist_remove); +EXPORT_SYMBOL(nvlist_remove_nvpair); +EXPORT_SYMBOL(nvlist_remove_all); + +EXPORT_SYMBOL(nvlist_lookup_boolean); +EXPORT_SYMBOL(nvlist_lookup_boolean_value); +EXPORT_SYMBOL(nvlist_lookup_byte); +EXPORT_SYMBOL(nvlist_lookup_int8); +EXPORT_SYMBOL(nvlist_lookup_uint8); +EXPORT_SYMBOL(nvlist_lookup_int16); +EXPORT_SYMBOL(nvlist_lookup_uint16); +EXPORT_SYMBOL(nvlist_lookup_int32); +EXPORT_SYMBOL(nvlist_lookup_uint32); +EXPORT_SYMBOL(nvlist_lookup_int64); +EXPORT_SYMBOL(nvlist_lookup_uint64); +EXPORT_SYMBOL(nvlist_lookup_string); +EXPORT_SYMBOL(nvlist_lookup_nvlist); +EXPORT_SYMBOL(nvlist_lookup_boolean_array); +EXPORT_SYMBOL(nvlist_lookup_byte_array); +EXPORT_SYMBOL(nvlist_lookup_int8_array); +EXPORT_SYMBOL(nvlist_lookup_uint8_array); +EXPORT_SYMBOL(nvlist_lookup_int16_array); +EXPORT_SYMBOL(nvlist_lookup_uint16_array); +EXPORT_SYMBOL(nvlist_lookup_int32_array); +EXPORT_SYMBOL(nvlist_lookup_uint32_array); +EXPORT_SYMBOL(nvlist_lookup_int64_array); +EXPORT_SYMBOL(nvlist_lookup_uint64_array); +EXPORT_SYMBOL(nvlist_lookup_string_array); +EXPORT_SYMBOL(nvlist_lookup_nvlist_array); +EXPORT_SYMBOL(nvlist_lookup_hrtime); +EXPORT_SYMBOL(nvlist_lookup_pairs); + +EXPORT_SYMBOL(nvlist_lookup_nvpair); +EXPORT_SYMBOL(nvlist_exists); + +/* processing nvpair */ +EXPORT_SYMBOL(nvpair_name); +EXPORT_SYMBOL(nvpair_type); +EXPORT_SYMBOL(nvpair_value_boolean_value); +EXPORT_SYMBOL(nvpair_value_byte); +EXPORT_SYMBOL(nvpair_value_int8); +EXPORT_SYMBOL(nvpair_value_uint8); +EXPORT_SYMBOL(nvpair_value_int16); +EXPORT_SYMBOL(nvpair_value_uint16); +EXPORT_SYMBOL(nvpair_value_int32); +EXPORT_SYMBOL(nvpair_value_uint32); +EXPORT_SYMBOL(nvpair_value_int64); +EXPORT_SYMBOL(nvpair_value_uint64); +EXPORT_SYMBOL(nvpair_value_string); +EXPORT_SYMBOL(nvpair_value_nvlist); +EXPORT_SYMBOL(nvpair_value_boolean_array); +EXPORT_SYMBOL(nvpair_value_byte_array); +EXPORT_SYMBOL(nvpair_value_int8_array); +EXPORT_SYMBOL(nvpair_value_uint8_array); +EXPORT_SYMBOL(nvpair_value_int16_array); +EXPORT_SYMBOL(nvpair_value_uint16_array); +EXPORT_SYMBOL(nvpair_value_int32_array); +EXPORT_SYMBOL(nvpair_value_uint32_array); +EXPORT_SYMBOL(nvpair_value_int64_array); +EXPORT_SYMBOL(nvpair_value_uint64_array); +EXPORT_SYMBOL(nvpair_value_string_array); +EXPORT_SYMBOL(nvpair_value_nvlist_array); +EXPORT_SYMBOL(nvpair_value_hrtime); + +#endif diff --git a/zfs/module/nvpair/nvpair_alloc_fixed.c b/zfs/module/nvpair/nvpair_alloc_fixed.c new file mode 100644 index 000000000000..20081ba56c4d --- /dev/null +++ b/zfs/module/nvpair/nvpair_alloc_fixed.c @@ -0,0 +1,124 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + + + +#include +#include +#include +#include +#if defined(_KERNEL) && !defined(_BOOT) +#include +#else +#include +#include +#endif + +/* + * This allocator is very simple. + * - it uses a pre-allocated buffer for memory allocations. + * - it does _not_ free memory in the pre-allocated buffer. + * + * The reason for the selected implemention is simplicity. + * This allocator is designed for the usage in interrupt context when + * the caller may not wait for free memory. + */ + +/* pre-allocated buffer for memory allocations */ +typedef struct nvbuf { + uintptr_t nvb_buf; /* address of pre-allocated buffer */ + uintptr_t nvb_lim; /* limit address in the buffer */ + uintptr_t nvb_cur; /* current address in the buffer */ +} nvbuf_t; + +/* + * Initialize the pre-allocated buffer allocator. The caller needs to supply + * + * buf address of pre-allocated buffer + * bufsz size of pre-allocated buffer + * + * nv_fixed_init() calculates the remaining members of nvbuf_t. + */ +static int +nv_fixed_init(nv_alloc_t *nva, va_list valist) +{ + uintptr_t base = va_arg(valist, uintptr_t); + uintptr_t lim = base + va_arg(valist, size_t); + nvbuf_t *nvb = (nvbuf_t *)P2ROUNDUP(base, sizeof (uintptr_t)); + + if (base == 0 || (uintptr_t)&nvb[1] > lim) + return (EINVAL); + + nvb->nvb_buf = (uintptr_t)&nvb[0]; + nvb->nvb_cur = (uintptr_t)&nvb[1]; + nvb->nvb_lim = lim; + nva->nva_arg = nvb; + + return (0); +} + +static void * +nv_fixed_alloc(nv_alloc_t *nva, size_t size) +{ + nvbuf_t *nvb = nva->nva_arg; + uintptr_t new = nvb->nvb_cur; + + if (size == 0 || new + size > nvb->nvb_lim) + return (NULL); + + nvb->nvb_cur = P2ROUNDUP(new + size, sizeof (uintptr_t)); + + return ((void *)new); +} + +/*ARGSUSED*/ +static void +nv_fixed_free(nv_alloc_t *nva, void *buf, size_t size) +{ + /* don't free memory in the pre-allocated buffer */ +} + +static void +nv_fixed_reset(nv_alloc_t *nva) +{ + nvbuf_t *nvb = nva->nva_arg; + + nvb->nvb_cur = (uintptr_t)&nvb[1]; +} + +const nv_alloc_ops_t nv_fixed_ops_def = { + nv_fixed_init, /* nv_ao_init() */ + NULL, /* nv_ao_fini() */ + nv_fixed_alloc, /* nv_ao_alloc() */ + nv_fixed_free, /* nv_ao_free() */ + nv_fixed_reset /* nv_ao_reset() */ +}; + +const nv_alloc_ops_t *nv_fixed_ops = &nv_fixed_ops_def; + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(nv_fixed_ops); +#endif diff --git a/zfs/module/nvpair/nvpair_alloc_spl.c b/zfs/module/nvpair/nvpair_alloc_spl.c new file mode 100644 index 000000000000..bc377ab66257 --- /dev/null +++ b/zfs/module/nvpair/nvpair_alloc_spl.c @@ -0,0 +1,96 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at * usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#include +#include +#include + +static void * +nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size) +{ + return (vmem_alloc(size, KM_SLEEP)); +} + +static void * +nv_alloc_pushpage_spl(nv_alloc_t *nva, size_t size) +{ + return (vmem_alloc(size, KM_PUSHPAGE)); +} + +static void * +nv_alloc_nosleep_spl(nv_alloc_t *nva, size_t size) +{ + return (kmem_alloc(size, KM_NOSLEEP)); +} + +static void +nv_free_spl(nv_alloc_t *nva, void *buf, size_t size) +{ + kmem_free(buf, size); +} + +const nv_alloc_ops_t spl_sleep_ops_def = { + NULL, /* nv_ao_init() */ + NULL, /* nv_ao_fini() */ + nv_alloc_sleep_spl, /* nv_ao_alloc() */ + nv_free_spl, /* nv_ao_free() */ + NULL /* nv_ao_reset() */ +}; + +const nv_alloc_ops_t spl_pushpage_ops_def = { + NULL, /* nv_ao_init() */ + NULL, /* nv_ao_fini() */ + nv_alloc_pushpage_spl, /* nv_ao_alloc() */ + nv_free_spl, /* nv_ao_free() */ + NULL /* nv_ao_reset() */ +}; + +const nv_alloc_ops_t spl_nosleep_ops_def = { + NULL, /* nv_ao_init() */ + NULL, /* nv_ao_fini() */ + nv_alloc_nosleep_spl, /* nv_ao_alloc() */ + nv_free_spl, /* nv_ao_free() */ + NULL /* nv_ao_reset() */ +}; + +nv_alloc_t nv_alloc_sleep_def = { + &spl_sleep_ops_def, + NULL +}; + +nv_alloc_t nv_alloc_pushpage_def = { + &spl_pushpage_ops_def, + NULL +}; + +nv_alloc_t nv_alloc_nosleep_def = { + &spl_nosleep_ops_def, + NULL +}; + +nv_alloc_t *nv_alloc_sleep = &nv_alloc_sleep_def; +nv_alloc_t *nv_alloc_pushpage = &nv_alloc_pushpage_def; +nv_alloc_t *nv_alloc_nosleep = &nv_alloc_nosleep_def; diff --git a/zfs/module/unicode/Makefile.in b/zfs/module/unicode/Makefile.in new file mode 100644 index 000000000000..b26e669274be --- /dev/null +++ b/zfs/module/unicode/Makefile.in @@ -0,0 +1,11 @@ +src = @abs_top_srcdir@/module/unicode +obj = @abs_builddir@ + +MODULE := zunicode + +EXTRA_CFLAGS = $(ZFS_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +obj-$(CONFIG_ZFS) := $(MODULE).o + +$(MODULE)-objs += u8_textprep.o +$(MODULE)-objs += uconv.o diff --git a/zfs/module/unicode/u8_textprep.c b/zfs/module/unicode/u8_textprep.c new file mode 100644 index 000000000000..26cc39f3bcd2 --- /dev/null +++ b/zfs/module/unicode/u8_textprep.c @@ -0,0 +1,2157 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + + + + +/* + * UTF-8 text preparation functions (PSARC/2007/149, PSARC/2007/458). + * + * Man pages: u8_textprep_open(9F), u8_textprep_buf(9F), u8_textprep_close(9F), + * u8_textprep_str(9F), u8_strcmp(9F), and u8_validate(9F). See also + * the section 3C man pages. + * Interface stability: Committed. + */ + +#include +#ifdef _KERNEL +#include +#include +#include +#include +#include +#include +#include +#else +#include +#include +#endif /* _KERNEL */ +#include +#include +#include + + +/* The maximum possible number of bytes in a UTF-8 character. */ +#define U8_MB_CUR_MAX (4) + +/* + * The maximum number of bytes needed for a UTF-8 character to cover + * U+0000 - U+FFFF, i.e., the coding space of now deprecated UCS-2. + */ +#define U8_MAX_BYTES_UCS2 (3) + +/* The maximum possible number of bytes in a Stream-Safe Text. */ +#define U8_STREAM_SAFE_TEXT_MAX (128) + +/* + * The maximum number of characters in a combining/conjoining sequence and + * the actual upperbound limit of a combining/conjoining sequence. + */ +#define U8_MAX_CHARS_A_SEQ (32) +#define U8_UPPER_LIMIT_IN_A_SEQ (31) + +/* The combining class value for Starter. */ +#define U8_COMBINING_CLASS_STARTER (0) + +/* + * Some Hangul related macros at below. + * + * The first and the last of Hangul syllables, Hangul Jamo Leading consonants, + * Vowels, and optional Trailing consonants in Unicode scalar values. + * + * Please be noted that the U8_HANGUL_JAMO_T_FIRST is 0x11A7 at below not + * the actual U+11A8. This is due to that the trailing consonant is optional + * and thus we are doing a pre-calculation of subtracting one. + * + * Each of 19 modern leading consonants has total 588 possible syllables since + * Hangul has 21 modern vowels and 27 modern trailing consonants plus 1 for + * no trailing consonant case, i.e., 21 x 28 = 588. + * + * We also have bunch of Hangul related macros at below. Please bear in mind + * that the U8_HANGUL_JAMO_1ST_BYTE can be used to check whether it is + * a Hangul Jamo or not but the value does not guarantee that it is a Hangul + * Jamo; it just guarantee that it will be most likely. + */ +#define U8_HANGUL_SYL_FIRST (0xAC00U) +#define U8_HANGUL_SYL_LAST (0xD7A3U) + +#define U8_HANGUL_JAMO_L_FIRST (0x1100U) +#define U8_HANGUL_JAMO_L_LAST (0x1112U) +#define U8_HANGUL_JAMO_V_FIRST (0x1161U) +#define U8_HANGUL_JAMO_V_LAST (0x1175U) +#define U8_HANGUL_JAMO_T_FIRST (0x11A7U) +#define U8_HANGUL_JAMO_T_LAST (0x11C2U) + +#define U8_HANGUL_V_COUNT (21) +#define U8_HANGUL_VT_COUNT (588) +#define U8_HANGUL_T_COUNT (28) + +#define U8_HANGUL_JAMO_1ST_BYTE (0xE1U) + +#define U8_SAVE_HANGUL_AS_UTF8(s, i, j, k, b) \ + (s)[(i)] = (uchar_t)(0xE0U | ((uint32_t)(b) & 0xF000U) >> 12); \ + (s)[(j)] = (uchar_t)(0x80U | ((uint32_t)(b) & 0x0FC0U) >> 6); \ + (s)[(k)] = (uchar_t)(0x80U | ((uint32_t)(b) & 0x003FU)); + +#define U8_HANGUL_JAMO_L(u) \ + ((u) >= U8_HANGUL_JAMO_L_FIRST && (u) <= U8_HANGUL_JAMO_L_LAST) + +#define U8_HANGUL_JAMO_V(u) \ + ((u) >= U8_HANGUL_JAMO_V_FIRST && (u) <= U8_HANGUL_JAMO_V_LAST) + +#define U8_HANGUL_JAMO_T(u) \ + ((u) > U8_HANGUL_JAMO_T_FIRST && (u) <= U8_HANGUL_JAMO_T_LAST) + +#define U8_HANGUL_JAMO(u) \ + ((u) >= U8_HANGUL_JAMO_L_FIRST && (u) <= U8_HANGUL_JAMO_T_LAST) + +#define U8_HANGUL_SYLLABLE(u) \ + ((u) >= U8_HANGUL_SYL_FIRST && (u) <= U8_HANGUL_SYL_LAST) + +#define U8_HANGUL_COMPOSABLE_L_V(s, u) \ + ((s) == U8_STATE_HANGUL_L && U8_HANGUL_JAMO_V((u))) + +#define U8_HANGUL_COMPOSABLE_LV_T(s, u) \ + ((s) == U8_STATE_HANGUL_LV && U8_HANGUL_JAMO_T((u))) + +/* The types of decomposition mappings. */ +#define U8_DECOMP_BOTH (0xF5U) +#define U8_DECOMP_CANONICAL (0xF6U) + +/* The indicator for 16-bit table. */ +#define U8_16BIT_TABLE_INDICATOR (0x8000U) + +/* The following are some convenience macros. */ +#define U8_PUT_3BYTES_INTO_UTF32(u, b1, b2, b3) \ + (u) = ((((uint32_t)(b1) & 0x0F) << 12) | \ + (((uint32_t)(b2) & 0x3F) << 6) | \ + ((uint32_t)(b3) & 0x3F)); + +#define U8_SIMPLE_SWAP(a, b, t) \ + (t) = (a); \ + (a) = (b); \ + (b) = (t); + +#define U8_ASCII_TOUPPER(c) \ + (((c) >= 'a' && (c) <= 'z') ? (c) - 'a' + 'A' : (c)) + +#define U8_ASCII_TOLOWER(c) \ + (((c) >= 'A' && (c) <= 'Z') ? (c) - 'A' + 'a' : (c)) + +#define U8_ISASCII(c) (((uchar_t)(c)) < 0x80U) +/* + * The following macro assumes that the two characters that are to be + * swapped are adjacent to each other and 'a' comes before 'b'. + * + * If the assumptions are not met, then, the macro will fail. + */ +#define U8_SWAP_COMB_MARKS(a, b) \ + for (k = 0; k < disp[(a)]; k++) \ + u8t[k] = u8s[start[(a)] + k]; \ + for (k = 0; k < disp[(b)]; k++) \ + u8s[start[(a)] + k] = u8s[start[(b)] + k]; \ + start[(b)] = start[(a)] + disp[(b)]; \ + for (k = 0; k < disp[(a)]; k++) \ + u8s[start[(b)] + k] = u8t[k]; \ + U8_SIMPLE_SWAP(comb_class[(a)], comb_class[(b)], tc); \ + U8_SIMPLE_SWAP(disp[(a)], disp[(b)], tc); + +/* The possible states during normalization. */ +typedef enum { + U8_STATE_START = 0, + U8_STATE_HANGUL_L = 1, + U8_STATE_HANGUL_LV = 2, + U8_STATE_HANGUL_LVT = 3, + U8_STATE_HANGUL_V = 4, + U8_STATE_HANGUL_T = 5, + U8_STATE_COMBINING_MARK = 6 +} u8_normalization_states_t; + +/* + * The three vectors at below are used to check bytes of a given UTF-8 + * character are valid and not containing any malformed byte values. + * + * We used to have a quite relaxed UTF-8 binary representation but then there + * was some security related issues and so the Unicode Consortium defined + * and announced the UTF-8 Corrigendum at Unicode 3.1 and then refined it + * one more time at the Unicode 3.2. The following three tables are based on + * that. + */ + +#define U8_ILLEGAL_NEXT_BYTE_COMMON(c) ((c) < 0x80 || (c) > 0xBF) + +#define I_ U8_ILLEGAL_CHAR +#define O_ U8_OUT_OF_RANGE_CHAR + +const int8_t u8_number_of_bytes[0x100] = { + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + +/* 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F */ + I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, + +/* 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F */ + I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, + +/* A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF */ + I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, + +/* B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF */ + I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, I_, + +/* C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF */ + I_, I_, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + +/* D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF */ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + +/* E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF */ + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + +/* F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF */ + 4, 4, 4, 4, 4, O_, O_, O_, O_, O_, O_, O_, O_, O_, O_, O_, +}; + +#undef I_ +#undef O_ + +const uint8_t u8_valid_min_2nd_byte[0x100] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +/* C0 C1 C2 C3 C4 C5 C6 C7 */ + 0, 0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, +/* C8 C9 CA CB CC CD CE CF */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, +/* D0 D1 D2 D3 D4 D5 D6 D7 */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, +/* D8 D9 DA DB DC DD DE DF */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, +/* E0 E1 E2 E3 E4 E5 E6 E7 */ + 0xa0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, +/* E8 E9 EA EB EC ED EE EF */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, +/* F0 F1 F2 F3 F4 F5 F6 F7 */ + 0x90, 0x80, 0x80, 0x80, 0x80, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}; + +const uint8_t u8_valid_max_2nd_byte[0x100] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +/* C0 C1 C2 C3 C4 C5 C6 C7 */ + 0, 0, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, +/* C8 C9 CA CB CC CD CE CF */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, +/* D0 D1 D2 D3 D4 D5 D6 D7 */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, +/* D8 D9 DA DB DC DD DE DF */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, +/* E0 E1 E2 E3 E4 E5 E6 E7 */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, +/* E8 E9 EA EB EC ED EE EF */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0x9f, 0xbf, 0xbf, +/* F0 F1 F2 F3 F4 F5 F6 F7 */ + 0xbf, 0xbf, 0xbf, 0xbf, 0x8f, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}; + + +/* + * The u8_validate() validates on the given UTF-8 character string and + * calculate the byte length. It is quite similar to mblen(3C) except that + * this will validate against the list of characters if required and + * specific to UTF-8 and Unicode. + */ +int +u8_validate(char *u8str, size_t n, char **list, int flag, int *errnum) +{ + uchar_t *ib; + uchar_t *ibtail; + uchar_t **p; + uchar_t *s1; + uchar_t *s2; + uchar_t f; + int sz; + size_t i; + int ret_val; + boolean_t second; + boolean_t no_need_to_validate_entire; + boolean_t check_additional; + boolean_t validate_ucs2_range_only; + + if (! u8str) + return (0); + + ib = (uchar_t *)u8str; + ibtail = ib + n; + + ret_val = 0; + + no_need_to_validate_entire = ! (flag & U8_VALIDATE_ENTIRE); + check_additional = flag & U8_VALIDATE_CHECK_ADDITIONAL; + validate_ucs2_range_only = flag & U8_VALIDATE_UCS2_RANGE; + + while (ib < ibtail) { + /* + * The first byte of a UTF-8 character tells how many + * bytes will follow for the character. If the first byte + * is an illegal byte value or out of range value, we just + * return -1 with an appropriate error number. + */ + sz = u8_number_of_bytes[*ib]; + if (sz == U8_ILLEGAL_CHAR) { + *errnum = EILSEQ; + return (-1); + } + + if (sz == U8_OUT_OF_RANGE_CHAR || + (validate_ucs2_range_only && sz > U8_MAX_BYTES_UCS2)) { + *errnum = ERANGE; + return (-1); + } + + /* + * If we don't have enough bytes to check on, that's also + * an error. As you can see, we give illegal byte sequence + * checking higher priority then EINVAL cases. + */ + if ((ibtail - ib) < sz) { + *errnum = EINVAL; + return (-1); + } + + if (sz == 1) { + ib++; + ret_val++; + } else { + /* + * Check on the multi-byte UTF-8 character. For more + * details on this, see comment added for the used + * data structures at the beginning of the file. + */ + f = *ib++; + ret_val++; + second = B_TRUE; + for (i = 1; i < sz; i++) { + if (second) { + if (*ib < u8_valid_min_2nd_byte[f] || + *ib > u8_valid_max_2nd_byte[f]) { + *errnum = EILSEQ; + return (-1); + } + second = B_FALSE; + } else if (U8_ILLEGAL_NEXT_BYTE_COMMON(*ib)) { + *errnum = EILSEQ; + return (-1); + } + ib++; + ret_val++; + } + } + + if (check_additional) { + for (p = (uchar_t **)list, i = 0; p[i]; i++) { + s1 = ib - sz; + s2 = p[i]; + while (s1 < ib) { + if (*s1 != *s2 || *s2 == '\0') + break; + s1++; + s2++; + } + + if (s1 >= ib && *s2 == '\0') { + *errnum = EBADF; + return (-1); + } + } + } + + if (no_need_to_validate_entire) + break; + } + + return (ret_val); +} + +/* + * The do_case_conv() looks at the mapping tables and returns found + * bytes if any. If not found, the input bytes are returned. The function + * always terminate the return bytes with a null character assuming that + * there are plenty of room to do so. + * + * The case conversions are simple case conversions mapping a character to + * another character as specified in the Unicode data. The byte size of + * the mapped character could be different from that of the input character. + * + * The return value is the byte length of the returned character excluding + * the terminating null byte. + */ +static size_t +do_case_conv(int uv, uchar_t *u8s, uchar_t *s, int sz, boolean_t is_it_toupper) +{ + size_t i; + uint16_t b1 = 0; + uint16_t b2 = 0; + uint16_t b3 = 0; + uint16_t b3_tbl; + uint16_t b3_base; + uint16_t b4 = 0; + size_t start_id; + size_t end_id; + + /* + * At this point, the only possible values for sz are 2, 3, and 4. + * The u8s should point to a vector that is well beyond the size of + * 5 bytes. + */ + if (sz == 2) { + b3 = u8s[0] = s[0]; + b4 = u8s[1] = s[1]; + } else if (sz == 3) { + b2 = u8s[0] = s[0]; + b3 = u8s[1] = s[1]; + b4 = u8s[2] = s[2]; + } else if (sz == 4) { + b1 = u8s[0] = s[0]; + b2 = u8s[1] = s[1]; + b3 = u8s[2] = s[2]; + b4 = u8s[3] = s[3]; + } else { + /* This is not possible but just in case as a fallback. */ + if (is_it_toupper) + *u8s = U8_ASCII_TOUPPER(*s); + else + *u8s = U8_ASCII_TOLOWER(*s); + u8s[1] = '\0'; + + return (1); + } + u8s[sz] = '\0'; + + /* + * Let's find out if we have a corresponding character. + */ + b1 = u8_common_b1_tbl[uv][b1]; + if (b1 == U8_TBL_ELEMENT_NOT_DEF) + return ((size_t)sz); + + b2 = u8_case_common_b2_tbl[uv][b1][b2]; + if (b2 == U8_TBL_ELEMENT_NOT_DEF) + return ((size_t)sz); + + if (is_it_toupper) { + b3_tbl = u8_toupper_b3_tbl[uv][b2][b3].tbl_id; + if (b3_tbl == U8_TBL_ELEMENT_NOT_DEF) + return ((size_t)sz); + + start_id = u8_toupper_b4_tbl[uv][b3_tbl][b4]; + end_id = u8_toupper_b4_tbl[uv][b3_tbl][b4 + 1]; + + /* Either there is no match or an error at the table. */ + if (start_id >= end_id || (end_id - start_id) > U8_MB_CUR_MAX) + return ((size_t)sz); + + b3_base = u8_toupper_b3_tbl[uv][b2][b3].base; + + for (i = 0; start_id < end_id; start_id++) + u8s[i++] = u8_toupper_final_tbl[uv][b3_base + start_id]; + } else { + b3_tbl = u8_tolower_b3_tbl[uv][b2][b3].tbl_id; + if (b3_tbl == U8_TBL_ELEMENT_NOT_DEF) + return ((size_t)sz); + + start_id = u8_tolower_b4_tbl[uv][b3_tbl][b4]; + end_id = u8_tolower_b4_tbl[uv][b3_tbl][b4 + 1]; + + if (start_id >= end_id || (end_id - start_id) > U8_MB_CUR_MAX) + return ((size_t)sz); + + b3_base = u8_tolower_b3_tbl[uv][b2][b3].base; + + for (i = 0; start_id < end_id; start_id++) + u8s[i++] = u8_tolower_final_tbl[uv][b3_base + start_id]; + } + + /* + * If i is still zero, that means there is no corresponding character. + */ + if (i == 0) + return ((size_t)sz); + + u8s[i] = '\0'; + + return (i); +} + +/* + * The do_case_compare() function compares the two input strings, s1 and s2, + * one character at a time doing case conversions if applicable and return + * the comparison result as like strcmp(). + * + * Since, in empirical sense, most of text data are 7-bit ASCII characters, + * we treat the 7-bit ASCII characters as a special case trying to yield + * faster processing time. + */ +static int +do_case_compare(size_t uv, uchar_t *s1, uchar_t *s2, size_t n1, + size_t n2, boolean_t is_it_toupper, int *errnum) +{ + int f; + int sz1; + int sz2; + size_t j; + size_t i1; + size_t i2; + uchar_t u8s1[U8_MB_CUR_MAX + 1]; + uchar_t u8s2[U8_MB_CUR_MAX + 1]; + + i1 = i2 = 0; + while (i1 < n1 && i2 < n2) { + /* + * Find out what would be the byte length for this UTF-8 + * character at string s1 and also find out if this is + * an illegal start byte or not and if so, issue a proper + * error number and yet treat this byte as a character. + */ + sz1 = u8_number_of_bytes[*s1]; + if (sz1 < 0) { + *errnum = EILSEQ; + sz1 = 1; + } + + /* + * For 7-bit ASCII characters mainly, we do a quick case + * conversion right at here. + * + * If we don't have enough bytes for this character, issue + * an EINVAL error and use what are available. + * + * If we have enough bytes, find out if there is + * a corresponding uppercase character and if so, copy over + * the bytes for a comparison later. If there is no + * corresponding uppercase character, then, use what we have + * for the comparison. + */ + if (sz1 == 1) { + if (is_it_toupper) + u8s1[0] = U8_ASCII_TOUPPER(*s1); + else + u8s1[0] = U8_ASCII_TOLOWER(*s1); + s1++; + u8s1[1] = '\0'; + } else if ((i1 + sz1) > n1) { + *errnum = EINVAL; + for (j = 0; (i1 + j) < n1; ) + u8s1[j++] = *s1++; + u8s1[j] = '\0'; + } else { + (void) do_case_conv(uv, u8s1, s1, sz1, is_it_toupper); + s1 += sz1; + } + + /* Do the same for the string s2. */ + sz2 = u8_number_of_bytes[*s2]; + if (sz2 < 0) { + *errnum = EILSEQ; + sz2 = 1; + } + + if (sz2 == 1) { + if (is_it_toupper) + u8s2[0] = U8_ASCII_TOUPPER(*s2); + else + u8s2[0] = U8_ASCII_TOLOWER(*s2); + s2++; + u8s2[1] = '\0'; + } else if ((i2 + sz2) > n2) { + *errnum = EINVAL; + for (j = 0; (i2 + j) < n2; ) + u8s2[j++] = *s2++; + u8s2[j] = '\0'; + } else { + (void) do_case_conv(uv, u8s2, s2, sz2, is_it_toupper); + s2 += sz2; + } + + /* Now compare the two characters. */ + if (sz1 == 1 && sz2 == 1) { + if (*u8s1 > *u8s2) + return (1); + if (*u8s1 < *u8s2) + return (-1); + } else { + f = strcmp((const char *)u8s1, (const char *)u8s2); + if (f != 0) + return (f); + } + + /* + * They were the same. Let's move on to the next + * characters then. + */ + i1 += sz1; + i2 += sz2; + } + + /* + * We compared until the end of either or both strings. + * + * If we reached to or went over the ends for the both, that means + * they are the same. + * + * If we reached only one of the two ends, that means the other string + * has something which then the fact can be used to determine + * the return value. + */ + if (i1 >= n1) { + if (i2 >= n2) + return (0); + return (-1); + } + return (1); +} + +/* + * The combining_class() function checks on the given bytes and find out + * the corresponding Unicode combining class value. The return value 0 means + * it is a Starter. Any illegal UTF-8 character will also be treated as + * a Starter. + */ +static uchar_t +combining_class(size_t uv, uchar_t *s, size_t sz) +{ + uint16_t b1 = 0; + uint16_t b2 = 0; + uint16_t b3 = 0; + uint16_t b4 = 0; + + if (sz == 1 || sz > 4) + return (0); + + if (sz == 2) { + b3 = s[0]; + b4 = s[1]; + } else if (sz == 3) { + b2 = s[0]; + b3 = s[1]; + b4 = s[2]; + } else if (sz == 4) { + b1 = s[0]; + b2 = s[1]; + b3 = s[2]; + b4 = s[3]; + } + + b1 = u8_common_b1_tbl[uv][b1]; + if (b1 == U8_TBL_ELEMENT_NOT_DEF) + return (0); + + b2 = u8_combining_class_b2_tbl[uv][b1][b2]; + if (b2 == U8_TBL_ELEMENT_NOT_DEF) + return (0); + + b3 = u8_combining_class_b3_tbl[uv][b2][b3]; + if (b3 == U8_TBL_ELEMENT_NOT_DEF) + return (0); + + return (u8_combining_class_b4_tbl[uv][b3][b4]); +} + +/* + * The do_decomp() function finds out a matching decomposition if any + * and return. If there is no match, the input bytes are copied and returned. + * The function also checks if there is a Hangul, decomposes it if necessary + * and returns. + * + * To save time, a single byte 7-bit ASCII character should be handled by + * the caller. + * + * The function returns the number of bytes returned sans always terminating + * the null byte. It will also return a state that will tell if there was + * a Hangul character decomposed which then will be used by the caller. + */ +static size_t +do_decomp(size_t uv, uchar_t *u8s, uchar_t *s, int sz, + boolean_t canonical_decomposition, u8_normalization_states_t *state) +{ + uint16_t b1 = 0; + uint16_t b2 = 0; + uint16_t b3 = 0; + uint16_t b3_tbl; + uint16_t b3_base; + uint16_t b4 = 0; + size_t start_id; + size_t end_id; + size_t i; + uint32_t u1; + + if (sz == 2) { + b3 = u8s[0] = s[0]; + b4 = u8s[1] = s[1]; + u8s[2] = '\0'; + } else if (sz == 3) { + /* Convert it to a Unicode scalar value. */ + U8_PUT_3BYTES_INTO_UTF32(u1, s[0], s[1], s[2]); + + /* + * If this is a Hangul syllable, we decompose it into + * a leading consonant, a vowel, and an optional trailing + * consonant and then return. + */ + if (U8_HANGUL_SYLLABLE(u1)) { + u1 -= U8_HANGUL_SYL_FIRST; + + b1 = U8_HANGUL_JAMO_L_FIRST + u1 / U8_HANGUL_VT_COUNT; + b2 = U8_HANGUL_JAMO_V_FIRST + (u1 % U8_HANGUL_VT_COUNT) + / U8_HANGUL_T_COUNT; + b3 = u1 % U8_HANGUL_T_COUNT; + + U8_SAVE_HANGUL_AS_UTF8(u8s, 0, 1, 2, b1); + U8_SAVE_HANGUL_AS_UTF8(u8s, 3, 4, 5, b2); + if (b3) { + b3 += U8_HANGUL_JAMO_T_FIRST; + U8_SAVE_HANGUL_AS_UTF8(u8s, 6, 7, 8, b3); + + u8s[9] = '\0'; + *state = U8_STATE_HANGUL_LVT; + return (9); + } + + u8s[6] = '\0'; + *state = U8_STATE_HANGUL_LV; + return (6); + } + + b2 = u8s[0] = s[0]; + b3 = u8s[1] = s[1]; + b4 = u8s[2] = s[2]; + u8s[3] = '\0'; + + /* + * If this is a Hangul Jamo, we know there is nothing + * further that we can decompose. + */ + if (U8_HANGUL_JAMO_L(u1)) { + *state = U8_STATE_HANGUL_L; + return (3); + } + + if (U8_HANGUL_JAMO_V(u1)) { + if (*state == U8_STATE_HANGUL_L) + *state = U8_STATE_HANGUL_LV; + else + *state = U8_STATE_HANGUL_V; + return (3); + } + + if (U8_HANGUL_JAMO_T(u1)) { + if (*state == U8_STATE_HANGUL_LV) + *state = U8_STATE_HANGUL_LVT; + else + *state = U8_STATE_HANGUL_T; + return (3); + } + } else if (sz == 4) { + b1 = u8s[0] = s[0]; + b2 = u8s[1] = s[1]; + b3 = u8s[2] = s[2]; + b4 = u8s[3] = s[3]; + u8s[4] = '\0'; + } else { + /* + * This is a fallback and should not happen if the function + * was called properly. + */ + u8s[0] = s[0]; + u8s[1] = '\0'; + *state = U8_STATE_START; + return (1); + } + + /* + * At this point, this rountine does not know what it would get. + * The caller should sort it out if the state isn't a Hangul one. + */ + *state = U8_STATE_START; + + /* Try to find matching decomposition mapping byte sequence. */ + b1 = u8_common_b1_tbl[uv][b1]; + if (b1 == U8_TBL_ELEMENT_NOT_DEF) + return ((size_t)sz); + + b2 = u8_decomp_b2_tbl[uv][b1][b2]; + if (b2 == U8_TBL_ELEMENT_NOT_DEF) + return ((size_t)sz); + + b3_tbl = u8_decomp_b3_tbl[uv][b2][b3].tbl_id; + if (b3_tbl == U8_TBL_ELEMENT_NOT_DEF) + return ((size_t)sz); + + /* + * If b3_tbl is bigger than or equal to U8_16BIT_TABLE_INDICATOR + * which is 0x8000, this means we couldn't fit the mappings into + * the cardinality of a unsigned byte. + */ + if (b3_tbl >= U8_16BIT_TABLE_INDICATOR) { + b3_tbl -= U8_16BIT_TABLE_INDICATOR; + start_id = u8_decomp_b4_16bit_tbl[uv][b3_tbl][b4]; + end_id = u8_decomp_b4_16bit_tbl[uv][b3_tbl][b4 + 1]; + } else { + start_id = u8_decomp_b4_tbl[uv][b3_tbl][b4]; + end_id = u8_decomp_b4_tbl[uv][b3_tbl][b4 + 1]; + } + + /* This also means there wasn't any matching decomposition. */ + if (start_id >= end_id) + return ((size_t)sz); + + /* + * The final table for decomposition mappings has three types of + * byte sequences depending on whether a mapping is for compatibility + * decomposition, canonical decomposition, or both like the following: + * + * (1) Compatibility decomposition mappings: + * + * +---+---+-...-+---+ + * | B0| B1| ... | Bm| + * +---+---+-...-+---+ + * + * The first byte, B0, is always less then 0xF5 (U8_DECOMP_BOTH). + * + * (2) Canonical decomposition mappings: + * + * +---+---+---+-...-+---+ + * | T | b0| b1| ... | bn| + * +---+---+---+-...-+---+ + * + * where the first byte, T, is 0xF6 (U8_DECOMP_CANONICAL). + * + * (3) Both mappings: + * + * +---+---+---+---+-...-+---+---+---+-...-+---+ + * | T | D | b0| b1| ... | bn| B0| B1| ... | Bm| + * +---+---+---+---+-...-+---+---+---+-...-+---+ + * + * where T is 0xF5 (U8_DECOMP_BOTH) and D is a displacement + * byte, b0 to bn are canonical mapping bytes and B0 to Bm are + * compatibility mapping bytes. + * + * Note that compatibility decomposition means doing recursive + * decompositions using both compatibility decomposition mappings and + * canonical decomposition mappings. On the other hand, canonical + * decomposition means doing recursive decompositions using only + * canonical decomposition mappings. Since the table we have has gone + * through the recursions already, we do not need to do so during + * runtime, i.e., the table has been completely flattened out + * already. + */ + + b3_base = u8_decomp_b3_tbl[uv][b2][b3].base; + + /* Get the type, T, of the byte sequence. */ + b1 = u8_decomp_final_tbl[uv][b3_base + start_id]; + + /* + * If necessary, adjust start_id, end_id, or both. Note that if + * this is compatibility decomposition mapping, there is no + * adjustment. + */ + if (canonical_decomposition) { + /* Is the mapping only for compatibility decomposition? */ + if (b1 < U8_DECOMP_BOTH) + return ((size_t)sz); + + start_id++; + + if (b1 == U8_DECOMP_BOTH) { + end_id = start_id + + u8_decomp_final_tbl[uv][b3_base + start_id]; + start_id++; + } + } else { + /* + * Unless this is a compatibility decomposition mapping, + * we adjust the start_id. + */ + if (b1 == U8_DECOMP_BOTH) { + start_id++; + start_id += u8_decomp_final_tbl[uv][b3_base + start_id]; + } else if (b1 == U8_DECOMP_CANONICAL) { + start_id++; + } + } + + for (i = 0; start_id < end_id; start_id++) + u8s[i++] = u8_decomp_final_tbl[uv][b3_base + start_id]; + u8s[i] = '\0'; + + return (i); +} + +/* + * The find_composition_start() function uses the character bytes given and + * find out the matching composition mappings if any and return the address + * to the composition mappings as explained in the do_composition(). + */ +static uchar_t * +find_composition_start(size_t uv, uchar_t *s, size_t sz) +{ + uint16_t b1 = 0; + uint16_t b2 = 0; + uint16_t b3 = 0; + uint16_t b3_tbl; + uint16_t b3_base; + uint16_t b4 = 0; + size_t start_id; + size_t end_id; + + if (sz == 1) { + b4 = s[0]; + } else if (sz == 2) { + b3 = s[0]; + b4 = s[1]; + } else if (sz == 3) { + b2 = s[0]; + b3 = s[1]; + b4 = s[2]; + } else if (sz == 4) { + b1 = s[0]; + b2 = s[1]; + b3 = s[2]; + b4 = s[3]; + } else { + /* + * This is a fallback and should not happen if the function + * was called properly. + */ + return (NULL); + } + + b1 = u8_composition_b1_tbl[uv][b1]; + if (b1 == U8_TBL_ELEMENT_NOT_DEF) + return (NULL); + + b2 = u8_composition_b2_tbl[uv][b1][b2]; + if (b2 == U8_TBL_ELEMENT_NOT_DEF) + return (NULL); + + b3_tbl = u8_composition_b3_tbl[uv][b2][b3].tbl_id; + if (b3_tbl == U8_TBL_ELEMENT_NOT_DEF) + return (NULL); + + if (b3_tbl >= U8_16BIT_TABLE_INDICATOR) { + b3_tbl -= U8_16BIT_TABLE_INDICATOR; + start_id = u8_composition_b4_16bit_tbl[uv][b3_tbl][b4]; + end_id = u8_composition_b4_16bit_tbl[uv][b3_tbl][b4 + 1]; + } else { + start_id = u8_composition_b4_tbl[uv][b3_tbl][b4]; + end_id = u8_composition_b4_tbl[uv][b3_tbl][b4 + 1]; + } + + if (start_id >= end_id) + return (NULL); + + b3_base = u8_composition_b3_tbl[uv][b2][b3].base; + + return ((uchar_t *)&(u8_composition_final_tbl[uv][b3_base + start_id])); +} + +/* + * The blocked() function checks on the combining class values of previous + * characters in this sequence and return whether it is blocked or not. + */ +static boolean_t +blocked(uchar_t *comb_class, size_t last) +{ + uchar_t my_comb_class; + size_t i; + + my_comb_class = comb_class[last]; + for (i = 1; i < last; i++) + if (comb_class[i] >= my_comb_class || + comb_class[i] == U8_COMBINING_CLASS_STARTER) + return (B_TRUE); + + return (B_FALSE); +} + +/* + * The do_composition() reads the character string pointed by 's' and + * do necessary canonical composition and then copy over the result back to + * the 's'. + * + * The input argument 's' cannot contain more than 32 characters. + */ +static size_t +do_composition(size_t uv, uchar_t *s, uchar_t *comb_class, uchar_t *start, + uchar_t *disp, size_t last, uchar_t **os, uchar_t *oslast) +{ + uchar_t t[U8_STREAM_SAFE_TEXT_MAX + 1]; + uchar_t tc[U8_MB_CUR_MAX]; + uint8_t saved_marks[U8_MAX_CHARS_A_SEQ]; + size_t saved_marks_count; + uchar_t *p; + uchar_t *saved_p; + uchar_t *q; + size_t i; + size_t saved_i; + size_t j; + size_t k; + size_t l; + size_t C; + size_t saved_l; + size_t size; + uint32_t u1; + uint32_t u2; + boolean_t match_not_found = B_TRUE; + + /* + * This should never happen unless the callers are doing some strange + * and unexpected things. + * + * The "last" is the index pointing to the last character not last + 1. + */ + if (last >= U8_MAX_CHARS_A_SEQ) + last = U8_UPPER_LIMIT_IN_A_SEQ; + + for (i = l = 0; i <= last; i++) { + /* + * The last or any non-Starters at the beginning, we don't + * have any chance to do composition and so we just copy them + * to the temporary buffer. + */ + if (i >= last || comb_class[i] != U8_COMBINING_CLASS_STARTER) { +SAVE_THE_CHAR: + p = s + start[i]; + size = disp[i]; + for (k = 0; k < size; k++) + t[l++] = *p++; + continue; + } + + /* + * If this could be a start of Hangul Jamos, then, we try to + * conjoin them. + */ + if (s[start[i]] == U8_HANGUL_JAMO_1ST_BYTE) { + U8_PUT_3BYTES_INTO_UTF32(u1, s[start[i]], + s[start[i] + 1], s[start[i] + 2]); + U8_PUT_3BYTES_INTO_UTF32(u2, s[start[i] + 3], + s[start[i] + 4], s[start[i] + 5]); + + if (U8_HANGUL_JAMO_L(u1) && U8_HANGUL_JAMO_V(u2)) { + u1 -= U8_HANGUL_JAMO_L_FIRST; + u2 -= U8_HANGUL_JAMO_V_FIRST; + u1 = U8_HANGUL_SYL_FIRST + + (u1 * U8_HANGUL_V_COUNT + u2) * + U8_HANGUL_T_COUNT; + + i += 2; + if (i <= last) { + U8_PUT_3BYTES_INTO_UTF32(u2, + s[start[i]], s[start[i] + 1], + s[start[i] + 2]); + + if (U8_HANGUL_JAMO_T(u2)) { + u1 += u2 - + U8_HANGUL_JAMO_T_FIRST; + i++; + } + } + + U8_SAVE_HANGUL_AS_UTF8(t + l, 0, 1, 2, u1); + i--; + l += 3; + continue; + } + } + + /* + * Let's then find out if this Starter has composition + * mapping. + */ + p = find_composition_start(uv, s + start[i], disp[i]); + if (p == NULL) + goto SAVE_THE_CHAR; + + /* + * We have a Starter with composition mapping and the next + * character is a non-Starter. Let's try to find out if + * we can do composition. + */ + + saved_p = p; + saved_i = i; + saved_l = l; + saved_marks_count = 0; + +TRY_THE_NEXT_MARK: + q = s + start[++i]; + size = disp[i]; + + /* + * The next for() loop compares the non-Starter pointed by + * 'q' with the possible (joinable) characters pointed by 'p'. + * + * The composition final table entry pointed by the 'p' + * looks like the following: + * + * +---+---+---+-...-+---+---+---+---+-...-+---+---+ + * | C | b0| b2| ... | bn| F | B0| B1| ... | Bm| F | + * +---+---+---+-...-+---+---+---+---+-...-+---+---+ + * + * where C is the count byte indicating the number of + * mapping pairs where each pair would be look like + * (b0-bn F, B0-Bm F). The b0-bn are the bytes of the second + * character of a canonical decomposition and the B0-Bm are + * the bytes of a matching composite character. The F is + * a filler byte after each character as the separator. + */ + + match_not_found = B_TRUE; + + for (C = *p++; C > 0; C--) { + for (k = 0; k < size; p++, k++) + if (*p != q[k]) + break; + + /* Have we found it? */ + if (k >= size && *p == U8_TBL_ELEMENT_FILLER) { + match_not_found = B_FALSE; + + l = saved_l; + + while (*++p != U8_TBL_ELEMENT_FILLER) + t[l++] = *p; + + break; + } + + /* We didn't find; skip to the next pair. */ + if (*p != U8_TBL_ELEMENT_FILLER) + while (*++p != U8_TBL_ELEMENT_FILLER) + ; + while (*++p != U8_TBL_ELEMENT_FILLER) + ; + p++; + } + + /* + * If there was no match, we will need to save the combining + * mark for later appending. After that, if the next one + * is a non-Starter and not blocked, then, we try once + * again to do composition with the next non-Starter. + * + * If there was no match and this was a Starter, then, + * this is a new start. + * + * If there was a match and a composition done and we have + * more to check on, then, we retrieve a new composition final + * table entry for the composite and then try to do the + * composition again. + */ + + if (match_not_found) { + if (comb_class[i] == U8_COMBINING_CLASS_STARTER) { + i--; + goto SAVE_THE_CHAR; + } + + saved_marks[saved_marks_count++] = i; + } + + if (saved_l == l) { + while (i < last) { + if (blocked(comb_class, i + 1)) + saved_marks[saved_marks_count++] = ++i; + else + break; + } + if (i < last) { + p = saved_p; + goto TRY_THE_NEXT_MARK; + } + } else if (i < last) { + p = find_composition_start(uv, t + saved_l, + l - saved_l); + if (p != NULL) { + saved_p = p; + goto TRY_THE_NEXT_MARK; + } + } + + /* + * There is no more composition possible. + * + * If there was no composition what so ever then we copy + * over the original Starter and then append any non-Starters + * remaining at the target string sequentially after that. + */ + + if (saved_l == l) { + p = s + start[saved_i]; + size = disp[saved_i]; + for (j = 0; j < size; j++) + t[l++] = *p++; + } + + for (k = 0; k < saved_marks_count; k++) { + p = s + start[saved_marks[k]]; + size = disp[saved_marks[k]]; + for (j = 0; j < size; j++) + t[l++] = *p++; + } + } + + /* + * If the last character is a Starter and if we have a character + * (possibly another Starter) that can be turned into a composite, + * we do so and we do so until there is no more of composition + * possible. + */ + if (comb_class[last] == U8_COMBINING_CLASS_STARTER) { + p = *os; + saved_l = l - disp[last]; + + while (p < oslast) { + size = u8_number_of_bytes[*p]; + if (size <= 1 || (p + size) > oslast) + break; + + saved_p = p; + + for (i = 0; i < size; i++) + tc[i] = *p++; + + q = find_composition_start(uv, t + saved_l, + l - saved_l); + if (q == NULL) { + p = saved_p; + break; + } + + match_not_found = B_TRUE; + + for (C = *q++; C > 0; C--) { + for (k = 0; k < size; q++, k++) + if (*q != tc[k]) + break; + + if (k >= size && *q == U8_TBL_ELEMENT_FILLER) { + match_not_found = B_FALSE; + + l = saved_l; + + while (*++q != U8_TBL_ELEMENT_FILLER) { + /* + * This is practically + * impossible but we don't + * want to take any chances. + */ + if (l >= + U8_STREAM_SAFE_TEXT_MAX) { + p = saved_p; + goto SAFE_RETURN; + } + t[l++] = *q; + } + + break; + } + + if (*q != U8_TBL_ELEMENT_FILLER) + while (*++q != U8_TBL_ELEMENT_FILLER) + ; + while (*++q != U8_TBL_ELEMENT_FILLER) + ; + q++; + } + + if (match_not_found) { + p = saved_p; + break; + } + } +SAFE_RETURN: + *os = p; + } + + /* + * Now we copy over the temporary string to the target string. + * Since composition always reduces the number of characters or + * the number of characters stay, we don't need to worry about + * the buffer overflow here. + */ + for (i = 0; i < l; i++) + s[i] = t[i]; + s[l] = '\0'; + + return (l); +} + +/* + * The collect_a_seq() function checks on the given string s, collect + * a sequence of characters at u8s, and return the sequence. While it collects + * a sequence, it also applies case conversion, canonical or compatibility + * decomposition, canonical decomposition, or some or all of them and + * in that order. + * + * The collected sequence cannot be bigger than 32 characters since if + * it is having more than 31 characters, the sequence will be terminated + * with a U+034F COMBINING GRAPHEME JOINER (CGJ) character and turned into + * a Stream-Safe Text. The collected sequence is always terminated with + * a null byte and the return value is the byte length of the sequence + * including 0. The return value does not include the terminating + * null byte. + */ +static size_t +collect_a_seq(size_t uv, uchar_t *u8s, uchar_t **source, uchar_t *slast, + boolean_t is_it_toupper, + boolean_t is_it_tolower, + boolean_t canonical_decomposition, + boolean_t compatibility_decomposition, + boolean_t canonical_composition, + int *errnum, u8_normalization_states_t *state) +{ + uchar_t *s; + int sz; + int saved_sz; + size_t i; + size_t j; + size_t k; + size_t l; + uchar_t comb_class[U8_MAX_CHARS_A_SEQ]; + uchar_t disp[U8_MAX_CHARS_A_SEQ]; + uchar_t start[U8_MAX_CHARS_A_SEQ]; + uchar_t u8t[U8_MB_CUR_MAX]; + uchar_t uts[U8_STREAM_SAFE_TEXT_MAX + 1]; + uchar_t tc; + size_t last; + size_t saved_last; + uint32_t u1; + + /* + * Save the source string pointer which we will return a changed + * pointer if we do processing. + */ + s = *source; + + /* + * The following is a fallback for just in case callers are not + * checking the string boundaries before the calling. + */ + if (s >= slast) { + u8s[0] = '\0'; + + return (0); + } + + /* + * As the first thing, let's collect a character and do case + * conversion if necessary. + */ + + sz = u8_number_of_bytes[*s]; + + if (sz < 0) { + *errnum = EILSEQ; + + u8s[0] = *s++; + u8s[1] = '\0'; + + *source = s; + + return (1); + } + + if (sz == 1) { + if (is_it_toupper) + u8s[0] = U8_ASCII_TOUPPER(*s); + else if (is_it_tolower) + u8s[0] = U8_ASCII_TOLOWER(*s); + else + u8s[0] = *s; + s++; + u8s[1] = '\0'; + } else if ((s + sz) > slast) { + *errnum = EINVAL; + + for (i = 0; s < slast; ) + u8s[i++] = *s++; + u8s[i] = '\0'; + + *source = s; + + return (i); + } else { + if (is_it_toupper || is_it_tolower) { + i = do_case_conv(uv, u8s, s, sz, is_it_toupper); + s += sz; + sz = i; + } else { + for (i = 0; i < sz; ) + u8s[i++] = *s++; + u8s[i] = '\0'; + } + } + + /* + * And then canonical/compatibility decomposition followed by + * an optional canonical composition. Please be noted that + * canonical composition is done only when a decomposition is + * done. + */ + if (canonical_decomposition || compatibility_decomposition) { + if (sz == 1) { + *state = U8_STATE_START; + + saved_sz = 1; + + comb_class[0] = 0; + start[0] = 0; + disp[0] = 1; + + last = 1; + } else { + saved_sz = do_decomp(uv, u8s, u8s, sz, + canonical_decomposition, state); + + last = 0; + + for (i = 0; i < saved_sz; ) { + sz = u8_number_of_bytes[u8s[i]]; + + comb_class[last] = combining_class(uv, + u8s + i, sz); + start[last] = i; + disp[last] = sz; + + last++; + i += sz; + } + + /* + * Decomposition yields various Hangul related + * states but not on combining marks. We need to + * find out at here by checking on the last + * character. + */ + if (*state == U8_STATE_START) { + if (comb_class[last - 1]) + *state = U8_STATE_COMBINING_MARK; + } + } + + saved_last = last; + + while (s < slast) { + sz = u8_number_of_bytes[*s]; + + /* + * If this is an illegal character, an incomplete + * character, or an 7-bit ASCII Starter character, + * then we have collected a sequence; break and let + * the next call deal with the two cases. + * + * Note that this is okay only if you are using this + * function with a fixed length string, not on + * a buffer with multiple calls of one chunk at a time. + */ + if (sz <= 1) { + break; + } else if ((s + sz) > slast) { + break; + } else { + /* + * If the previous character was a Hangul Jamo + * and this character is a Hangul Jamo that + * can be conjoined, we collect the Jamo. + */ + if (*s == U8_HANGUL_JAMO_1ST_BYTE) { + U8_PUT_3BYTES_INTO_UTF32(u1, + *s, *(s + 1), *(s + 2)); + + if (U8_HANGUL_COMPOSABLE_L_V(*state, + u1)) { + i = 0; + *state = U8_STATE_HANGUL_LV; + goto COLLECT_A_HANGUL; + } + + if (U8_HANGUL_COMPOSABLE_LV_T(*state, + u1)) { + i = 0; + *state = U8_STATE_HANGUL_LVT; + goto COLLECT_A_HANGUL; + } + } + + /* + * Regardless of whatever it was, if this is + * a Starter, we don't collect the character + * since that's a new start and we will deal + * with it at the next time. + */ + i = combining_class(uv, s, sz); + if (i == U8_COMBINING_CLASS_STARTER) + break; + + /* + * We know the current character is a combining + * mark. If the previous character wasn't + * a Starter (not Hangul) or a combining mark, + * then, we don't collect this combining mark. + */ + if (*state != U8_STATE_START && + *state != U8_STATE_COMBINING_MARK) + break; + + *state = U8_STATE_COMBINING_MARK; +COLLECT_A_HANGUL: + /* + * If we collected a Starter and combining + * marks up to 30, i.e., total 31 characters, + * then, we terminate this degenerately long + * combining sequence with a U+034F COMBINING + * GRAPHEME JOINER (CGJ) which is 0xCD 0x8F in + * UTF-8 and turn this into a Stream-Safe + * Text. This will be extremely rare but + * possible. + * + * The following will also guarantee that + * we are not writing more than 32 characters + * plus a NULL at u8s[]. + */ + if (last >= U8_UPPER_LIMIT_IN_A_SEQ) { +TURN_STREAM_SAFE: + *state = U8_STATE_START; + comb_class[last] = 0; + start[last] = saved_sz; + disp[last] = 2; + last++; + + u8s[saved_sz++] = 0xCD; + u8s[saved_sz++] = 0x8F; + + break; + } + + /* + * Some combining marks also do decompose into + * another combining mark or marks. + */ + if (*state == U8_STATE_COMBINING_MARK) { + k = last; + l = sz; + i = do_decomp(uv, uts, s, sz, + canonical_decomposition, state); + for (j = 0; j < i; ) { + sz = u8_number_of_bytes[uts[j]]; + + comb_class[last] = + combining_class(uv, + uts + j, sz); + start[last] = saved_sz + j; + disp[last] = sz; + + last++; + if (last >= + U8_UPPER_LIMIT_IN_A_SEQ) { + last = k; + goto TURN_STREAM_SAFE; + } + j += sz; + } + + *state = U8_STATE_COMBINING_MARK; + sz = i; + s += l; + + for (i = 0; i < sz; i++) + u8s[saved_sz++] = uts[i]; + } else { + comb_class[last] = i; + start[last] = saved_sz; + disp[last] = sz; + last++; + + for (i = 0; i < sz; i++) + u8s[saved_sz++] = *s++; + } + + /* + * If this is U+0345 COMBINING GREEK + * YPOGEGRAMMENI (0xCD 0x85 in UTF-8), a.k.a., + * iota subscript, and need to be converted to + * uppercase letter, convert it to U+0399 GREEK + * CAPITAL LETTER IOTA (0xCE 0x99 in UTF-8), + * i.e., convert to capital adscript form as + * specified in the Unicode standard. + * + * This is the only special case of (ambiguous) + * case conversion at combining marks and + * probably the standard will never have + * anything similar like this in future. + */ + if (is_it_toupper && sz >= 2 && + u8s[saved_sz - 2] == 0xCD && + u8s[saved_sz - 1] == 0x85) { + u8s[saved_sz - 2] = 0xCE; + u8s[saved_sz - 1] = 0x99; + } + } + } + + /* + * Let's try to ensure a canonical ordering for the collected + * combining marks. We do this only if we have collected + * at least one more non-Starter. (The decomposition mapping + * data tables have fully (and recursively) expanded and + * canonically ordered decompositions.) + * + * The U8_SWAP_COMB_MARKS() convenience macro has some + * assumptions and we are meeting the assumptions. + */ + last--; + if (last >= saved_last) { + for (i = 0; i < last; i++) + for (j = last; j > i; j--) + if (comb_class[j] && + comb_class[j - 1] > comb_class[j]) { + U8_SWAP_COMB_MARKS(j - 1, j); + } + } + + *source = s; + + if (! canonical_composition) { + u8s[saved_sz] = '\0'; + return (saved_sz); + } + + /* + * Now do the canonical composition. Note that we do this + * only after a canonical or compatibility decomposition to + * finish up NFC or NFKC. + */ + sz = do_composition(uv, u8s, comb_class, start, disp, last, + &s, slast); + } + + *source = s; + + return ((size_t)sz); +} + +/* + * The do_norm_compare() function does string comparion based on Unicode + * simple case mappings and Unicode Normalization definitions. + * + * It does so by collecting a sequence of character at a time and comparing + * the collected sequences from the strings. + * + * The meanings on the return values are the same as the usual strcmp(). + */ +static int +do_norm_compare(size_t uv, uchar_t *s1, uchar_t *s2, size_t n1, size_t n2, + int flag, int *errnum) +{ + int result; + size_t sz1; + size_t sz2; + uchar_t u8s1[U8_STREAM_SAFE_TEXT_MAX + 1]; + uchar_t u8s2[U8_STREAM_SAFE_TEXT_MAX + 1]; + uchar_t *s1last; + uchar_t *s2last; + boolean_t is_it_toupper; + boolean_t is_it_tolower; + boolean_t canonical_decomposition; + boolean_t compatibility_decomposition; + boolean_t canonical_composition; + u8_normalization_states_t state; + + s1last = s1 + n1; + s2last = s2 + n2; + + is_it_toupper = flag & U8_TEXTPREP_TOUPPER; + is_it_tolower = flag & U8_TEXTPREP_TOLOWER; + canonical_decomposition = flag & U8_CANON_DECOMP; + compatibility_decomposition = flag & U8_COMPAT_DECOMP; + canonical_composition = flag & U8_CANON_COMP; + + while (s1 < s1last && s2 < s2last) { + /* + * If the current character is a 7-bit ASCII and the last + * character, or, if the current character and the next + * character are both some 7-bit ASCII characters then + * we treat the current character as a sequence. + * + * In any other cases, we need to call collect_a_seq(). + */ + + if (U8_ISASCII(*s1) && ((s1 + 1) >= s1last || + ((s1 + 1) < s1last && U8_ISASCII(*(s1 + 1))))) { + if (is_it_toupper) + u8s1[0] = U8_ASCII_TOUPPER(*s1); + else if (is_it_tolower) + u8s1[0] = U8_ASCII_TOLOWER(*s1); + else + u8s1[0] = *s1; + u8s1[1] = '\0'; + sz1 = 1; + s1++; + } else { + state = U8_STATE_START; + sz1 = collect_a_seq(uv, u8s1, &s1, s1last, + is_it_toupper, is_it_tolower, + canonical_decomposition, + compatibility_decomposition, + canonical_composition, errnum, &state); + } + + if (U8_ISASCII(*s2) && ((s2 + 1) >= s2last || + ((s2 + 1) < s2last && U8_ISASCII(*(s2 + 1))))) { + if (is_it_toupper) + u8s2[0] = U8_ASCII_TOUPPER(*s2); + else if (is_it_tolower) + u8s2[0] = U8_ASCII_TOLOWER(*s2); + else + u8s2[0] = *s2; + u8s2[1] = '\0'; + sz2 = 1; + s2++; + } else { + state = U8_STATE_START; + sz2 = collect_a_seq(uv, u8s2, &s2, s2last, + is_it_toupper, is_it_tolower, + canonical_decomposition, + compatibility_decomposition, + canonical_composition, errnum, &state); + } + + /* + * Now compare the two characters. If they are the same, + * we move on to the next character sequences. + */ + if (sz1 == 1 && sz2 == 1) { + if (*u8s1 > *u8s2) + return (1); + if (*u8s1 < *u8s2) + return (-1); + } else { + result = strcmp((const char *)u8s1, (const char *)u8s2); + if (result != 0) + return (result); + } + } + + /* + * We compared until the end of either or both strings. + * + * If we reached to or went over the ends for the both, that means + * they are the same. + * + * If we reached only one end, that means the other string has + * something which then can be used to determine the return value. + */ + if (s1 >= s1last) { + if (s2 >= s2last) + return (0); + return (-1); + } + return (1); +} + +/* + * The u8_strcmp() function compares two UTF-8 strings quite similar to + * the strcmp(). For the comparison, however, Unicode Normalization specific + * equivalency and Unicode simple case conversion mappings based equivalency + * can be requested and checked against. + */ +int +u8_strcmp(const char *s1, const char *s2, size_t n, int flag, size_t uv, + int *errnum) +{ + int f; + size_t n1; + size_t n2; + + *errnum = 0; + + /* + * Check on the requested Unicode version, case conversion, and + * normalization flag values. + */ + + if (uv > U8_UNICODE_LATEST) { + *errnum = ERANGE; + uv = U8_UNICODE_LATEST; + } + + if (flag == 0) { + flag = U8_STRCMP_CS; + } else { + f = flag & (U8_STRCMP_CS | U8_STRCMP_CI_UPPER | + U8_STRCMP_CI_LOWER); + if (f == 0) { + flag |= U8_STRCMP_CS; + } else if (f != U8_STRCMP_CS && f != U8_STRCMP_CI_UPPER && + f != U8_STRCMP_CI_LOWER) { + *errnum = EBADF; + flag = U8_STRCMP_CS; + } + + f = flag & (U8_CANON_DECOMP | U8_COMPAT_DECOMP | U8_CANON_COMP); + if (f && f != U8_STRCMP_NFD && f != U8_STRCMP_NFC && + f != U8_STRCMP_NFKD && f != U8_STRCMP_NFKC) { + *errnum = EBADF; + flag = U8_STRCMP_CS; + } + } + + if (flag == U8_STRCMP_CS) { + return (n == 0 ? strcmp(s1, s2) : strncmp(s1, s2, n)); + } + + n1 = strlen(s1); + n2 = strlen(s2); + if (n != 0) { + if (n < n1) + n1 = n; + if (n < n2) + n2 = n; + } + + /* + * Simple case conversion can be done much faster and so we do + * them separately here. + */ + if (flag == U8_STRCMP_CI_UPPER) { + return (do_case_compare(uv, (uchar_t *)s1, (uchar_t *)s2, + n1, n2, B_TRUE, errnum)); + } else if (flag == U8_STRCMP_CI_LOWER) { + return (do_case_compare(uv, (uchar_t *)s1, (uchar_t *)s2, + n1, n2, B_FALSE, errnum)); + } + + return (do_norm_compare(uv, (uchar_t *)s1, (uchar_t *)s2, n1, n2, + flag, errnum)); +} + +size_t +u8_textprep_str(char *inarray, size_t *inlen, char *outarray, size_t *outlen, + int flag, size_t unicode_version, int *errnum) +{ + int f; + int sz; + uchar_t *ib; + uchar_t *ibtail; + uchar_t *ob; + uchar_t *obtail; + boolean_t do_not_ignore_null; + boolean_t do_not_ignore_invalid; + boolean_t is_it_toupper; + boolean_t is_it_tolower; + boolean_t canonical_decomposition; + boolean_t compatibility_decomposition; + boolean_t canonical_composition; + size_t ret_val; + size_t i; + size_t j; + uchar_t u8s[U8_STREAM_SAFE_TEXT_MAX + 1]; + u8_normalization_states_t state; + + if (unicode_version > U8_UNICODE_LATEST) { + *errnum = ERANGE; + return ((size_t)-1); + } + + f = flag & (U8_TEXTPREP_TOUPPER | U8_TEXTPREP_TOLOWER); + if (f == (U8_TEXTPREP_TOUPPER | U8_TEXTPREP_TOLOWER)) { + *errnum = EBADF; + return ((size_t)-1); + } + + f = flag & (U8_CANON_DECOMP | U8_COMPAT_DECOMP | U8_CANON_COMP); + if (f && f != U8_TEXTPREP_NFD && f != U8_TEXTPREP_NFC && + f != U8_TEXTPREP_NFKD && f != U8_TEXTPREP_NFKC) { + *errnum = EBADF; + return ((size_t)-1); + } + + if (inarray == NULL || *inlen == 0) + return (0); + + if (outarray == NULL) { + *errnum = E2BIG; + return ((size_t)-1); + } + + ib = (uchar_t *)inarray; + ob = (uchar_t *)outarray; + ibtail = ib + *inlen; + obtail = ob + *outlen; + + do_not_ignore_null = !(flag & U8_TEXTPREP_IGNORE_NULL); + do_not_ignore_invalid = !(flag & U8_TEXTPREP_IGNORE_INVALID); + is_it_toupper = flag & U8_TEXTPREP_TOUPPER; + is_it_tolower = flag & U8_TEXTPREP_TOLOWER; + + ret_val = 0; + + /* + * If we don't have a normalization flag set, we do the simple case + * conversion based text preparation separately below. Text + * preparation involving Normalization will be done in the false task + * block, again, separately since it will take much more time and + * resource than doing simple case conversions. + */ + if (f == 0) { + while (ib < ibtail) { + if (*ib == '\0' && do_not_ignore_null) + break; + + sz = u8_number_of_bytes[*ib]; + + if (sz < 0) { + if (do_not_ignore_invalid) { + *errnum = EILSEQ; + ret_val = (size_t)-1; + break; + } + + sz = 1; + ret_val++; + } + + if (sz == 1) { + if (ob >= obtail) { + *errnum = E2BIG; + ret_val = (size_t)-1; + break; + } + + if (is_it_toupper) + *ob = U8_ASCII_TOUPPER(*ib); + else if (is_it_tolower) + *ob = U8_ASCII_TOLOWER(*ib); + else + *ob = *ib; + ib++; + ob++; + } else if ((ib + sz) > ibtail) { + if (do_not_ignore_invalid) { + *errnum = EINVAL; + ret_val = (size_t)-1; + break; + } + + if ((obtail - ob) < (ibtail - ib)) { + *errnum = E2BIG; + ret_val = (size_t)-1; + break; + } + + /* + * We treat the remaining incomplete character + * bytes as a character. + */ + ret_val++; + + while (ib < ibtail) + *ob++ = *ib++; + } else { + if (is_it_toupper || is_it_tolower) { + i = do_case_conv(unicode_version, u8s, + ib, sz, is_it_toupper); + + if ((obtail - ob) < i) { + *errnum = E2BIG; + ret_val = (size_t)-1; + break; + } + + ib += sz; + + for (sz = 0; sz < i; sz++) + *ob++ = u8s[sz]; + } else { + if ((obtail - ob) < sz) { + *errnum = E2BIG; + ret_val = (size_t)-1; + break; + } + + for (i = 0; i < sz; i++) + *ob++ = *ib++; + } + } + } + } else { + canonical_decomposition = flag & U8_CANON_DECOMP; + compatibility_decomposition = flag & U8_COMPAT_DECOMP; + canonical_composition = flag & U8_CANON_COMP; + + while (ib < ibtail) { + if (*ib == '\0' && do_not_ignore_null) + break; + + /* + * If the current character is a 7-bit ASCII + * character and it is the last character, or, + * if the current character is a 7-bit ASCII + * character and the next character is also a 7-bit + * ASCII character, then, we copy over this + * character without going through collect_a_seq(). + * + * In any other cases, we need to look further with + * the collect_a_seq() function. + */ + if (U8_ISASCII(*ib) && ((ib + 1) >= ibtail || + ((ib + 1) < ibtail && U8_ISASCII(*(ib + 1))))) { + if (ob >= obtail) { + *errnum = E2BIG; + ret_val = (size_t)-1; + break; + } + + if (is_it_toupper) + *ob = U8_ASCII_TOUPPER(*ib); + else if (is_it_tolower) + *ob = U8_ASCII_TOLOWER(*ib); + else + *ob = *ib; + ib++; + ob++; + } else { + *errnum = 0; + state = U8_STATE_START; + + j = collect_a_seq(unicode_version, u8s, + &ib, ibtail, + is_it_toupper, + is_it_tolower, + canonical_decomposition, + compatibility_decomposition, + canonical_composition, + errnum, &state); + + if (*errnum && do_not_ignore_invalid) { + ret_val = (size_t)-1; + break; + } + + if ((obtail - ob) < j) { + *errnum = E2BIG; + ret_val = (size_t)-1; + break; + } + + for (i = 0; i < j; i++) + *ob++ = u8s[i]; + } + } + } + + *inlen = ibtail - ib; + *outlen = obtail - ob; + + return (ret_val); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +static int __init +unicode_init(void) { + return (0); +} + +static void __exit +unicode_fini(void) +{ +} + +module_init(unicode_init); +module_exit(unicode_fini); + +MODULE_DESCRIPTION("Unicode implementation"); +MODULE_AUTHOR(ZFS_META_AUTHOR); +MODULE_LICENSE(ZFS_META_LICENSE); +MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); + +EXPORT_SYMBOL(u8_validate); +EXPORT_SYMBOL(u8_strcmp); +EXPORT_SYMBOL(u8_textprep_str); +#endif diff --git a/zfs/module/unicode/uconv.c b/zfs/module/unicode/uconv.c new file mode 100644 index 000000000000..7a827832262a --- /dev/null +++ b/zfs/module/unicode/uconv.c @@ -0,0 +1,864 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + + + +/* + * Unicode encoding conversion functions among UTF-8, UTF-16, and UTF-32. + * (PSARC/2005/446, PSARC/2007/038, PSARC/2007/517) + * Man pages: uconv_u16tou32(9F), uconv_u16tou8(9F), uconv_u32tou16(9F), + * uconv_u32tou8(9F), uconv_u8tou16(9F), and uconv_u8tou32(9F). See also + * the section 3C man pages. + * Interface stability: Committed + */ + +#include +#ifdef _KERNEL +#include +#include +#include +#include +#include +#include +#else +#include +#endif /* _KERNEL */ +#include +#include + + +/* + * The max and min values of high and low surrogate pairs of UTF-16, + * UTF-16 bit shift value, bit mask, and starting value outside of BMP. + */ +#define UCONV_U16_HI_MIN (0xd800U) +#define UCONV_U16_HI_MAX (0xdbffU) +#define UCONV_U16_LO_MIN (0xdc00U) +#define UCONV_U16_LO_MAX (0xdfffU) +#define UCONV_U16_BIT_SHIFT (0x0400U) +#define UCONV_U16_BIT_MASK (0x0fffffU) +#define UCONV_U16_START (0x010000U) + +/* The maximum value of Unicode coding space and ASCII coding space. */ +#define UCONV_UNICODE_MAX (0x10ffffU) +#define UCONV_ASCII_MAX (0x7fU) + +/* The mask values for input and output endians. */ +#define UCONV_IN_ENDIAN_MASKS (UCONV_IN_BIG_ENDIAN | UCONV_IN_LITTLE_ENDIAN) +#define UCONV_OUT_ENDIAN_MASKS (UCONV_OUT_BIG_ENDIAN | UCONV_OUT_LITTLE_ENDIAN) + +/* Native and reversed endian macros. */ +#ifdef _BIG_ENDIAN +#define UCONV_IN_NAT_ENDIAN UCONV_IN_BIG_ENDIAN +#define UCONV_IN_REV_ENDIAN UCONV_IN_LITTLE_ENDIAN +#define UCONV_OUT_NAT_ENDIAN UCONV_OUT_BIG_ENDIAN +#define UCONV_OUT_REV_ENDIAN UCONV_OUT_LITTLE_ENDIAN +#else +#define UCONV_IN_NAT_ENDIAN UCONV_IN_LITTLE_ENDIAN +#define UCONV_IN_REV_ENDIAN UCONV_IN_BIG_ENDIAN +#define UCONV_OUT_NAT_ENDIAN UCONV_OUT_LITTLE_ENDIAN +#define UCONV_OUT_REV_ENDIAN UCONV_OUT_BIG_ENDIAN +#endif /* _BIG_ENDIAN */ + +/* The Byte Order Mark (BOM) character in normal and reversed byte orderings. */ +#define UCONV_BOM_NORMAL (0xfeffU) +#define UCONV_BOM_SWAPPED (0xfffeU) +#define UCONV_BOM_SWAPPED_32 (0xfffe0000U) + +/* UTF-32 boundaries based on UTF-8 character byte lengths. */ +#define UCONV_U8_ONE_BYTE (0x7fU) +#define UCONV_U8_TWO_BYTES (0x7ffU) +#define UCONV_U8_THREE_BYTES (0xffffU) +#define UCONV_U8_FOUR_BYTES (0x10ffffU) + +/* The common minimum and maximum values at the UTF-8 character bytes. */ +#define UCONV_U8_BYTE_MIN (0x80U) +#define UCONV_U8_BYTE_MAX (0xbfU) + +/* + * The following "6" and "0x3f" came from "10xx xxxx" bit representation of + * UTF-8 character bytes. + */ +#define UCONV_U8_BIT_SHIFT 6 +#define UCONV_U8_BIT_MASK 0x3f + +/* + * The following vector shows remaining bytes in a UTF-8 character. + * Index will be the first byte of the character. + */ +static const uchar_t remaining_bytes_tbl[0x100] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + +/* C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF */ + 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + +/* D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF */ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + +/* E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF */ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + +/* F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF */ + 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +/* + * The following is a vector of bit-masks to get used bits in + * the first byte of a UTF-8 character. Index is remaining bytes at above of + * the character. + */ +#ifdef _KERNEL +const uchar_t u8_masks_tbl[6] = { 0x00, 0x1f, 0x0f, 0x07, 0x03, 0x01 }; +#else +static const uchar_t u8_masks_tbl[6] = { 0x00, 0x1f, 0x0f, 0x07, 0x03, 0x01 }; +#endif /* _KERNEL */ + +/* + * The following two vectors are to provide valid minimum and + * maximum values for the 2'nd byte of a multibyte UTF-8 character for + * better illegal sequence checking. The index value must be the value of + * the first byte of the UTF-8 character. + */ +static const uchar_t valid_min_2nd_byte[0x100] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + +/* C0 C1 C2 C3 C4 C5 C6 C7 */ + 0, 0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + +/* C8 C9 CA CB CC CD CE CF */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + +/* D0 D1 D2 D3 D4 D5 D6 D7 */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + +/* D8 D9 DA DB DC DD DE DF */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + +/* E0 E1 E2 E3 E4 E5 E6 E7 */ + 0xa0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + +/* E8 E9 EA EB EC ED EE EF */ + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + +/* F0 F1 F2 F3 F4 F5 F6 F7 */ + 0x90, 0x80, 0x80, 0x80, 0x80, 0, 0, 0, + + 0, 0, 0, 0, 0, 0, 0, 0 +}; + +static const uchar_t valid_max_2nd_byte[0x100] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + +/* C0 C1 C2 C3 C4 C5 C6 C7 */ + 0, 0, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, + +/* C8 C9 CA CB CC CD CE CF */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, + +/* D0 D1 D2 D3 D4 D5 D6 D7 */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, + +/* D8 D9 DA DB DC DD DE DF */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, + +/* E0 E1 E2 E3 E4 E5 E6 E7 */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, + +/* E8 E9 EA EB EC ED EE EF */ + 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0x9f, 0xbf, 0xbf, + +/* F0 F1 F2 F3 F4 F5 F6 F7 */ + 0xbf, 0xbf, 0xbf, 0xbf, 0x8f, 0, 0, 0, + + 0, 0, 0, 0, 0, 0, 0, 0 +}; + + +static int +check_endian(int flag, int *in, int *out) +{ + *in = flag & UCONV_IN_ENDIAN_MASKS; + + /* You cannot have both. */ + if (*in == UCONV_IN_ENDIAN_MASKS) + return (EBADF); + + if (*in == 0) + *in = UCONV_IN_NAT_ENDIAN; + + *out = flag & UCONV_OUT_ENDIAN_MASKS; + + /* You cannot have both. */ + if (*out == UCONV_OUT_ENDIAN_MASKS) + return (EBADF); + + if (*out == 0) + *out = UCONV_OUT_NAT_ENDIAN; + + return (0); +} + +static boolean_t +check_bom16(const uint16_t *u16s, size_t u16l, int *in) +{ + if (u16l > 0) { + if (*u16s == UCONV_BOM_NORMAL) { + *in = UCONV_IN_NAT_ENDIAN; + return (B_TRUE); + } + if (*u16s == UCONV_BOM_SWAPPED) { + *in = UCONV_IN_REV_ENDIAN; + return (B_TRUE); + } + } + + return (B_FALSE); +} + +static boolean_t +check_bom32(const uint32_t *u32s, size_t u32l, int *in) +{ + if (u32l > 0) { + if (*u32s == UCONV_BOM_NORMAL) { + *in = UCONV_IN_NAT_ENDIAN; + return (B_TRUE); + } + if (*u32s == UCONV_BOM_SWAPPED_32) { + *in = UCONV_IN_REV_ENDIAN; + return (B_TRUE); + } + } + + return (B_FALSE); +} + +int +uconv_u16tou32(const uint16_t *u16s, size_t *utf16len, + uint32_t *u32s, size_t *utf32len, int flag) +{ + int inendian; + int outendian; + size_t u16l; + size_t u32l; + uint32_t hi; + uint32_t lo; + boolean_t do_not_ignore_null; + + /* + * Do preliminary validity checks on parameters and collect info on + * endians. + */ + if (u16s == NULL || utf16len == NULL) + return (EILSEQ); + + if (u32s == NULL || utf32len == NULL) + return (E2BIG); + + if (check_endian(flag, &inendian, &outendian) != 0) + return (EBADF); + + /* + * Initialize input and output parameter buffer indices and + * temporary variables. + */ + u16l = u32l = 0; + hi = 0; + do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0); + + /* + * Check on the BOM at the beginning of the input buffer if required + * and if there is indeed one, process it. + */ + if ((flag & UCONV_IN_ACCEPT_BOM) && + check_bom16(u16s, *utf16len, &inendian)) + u16l++; + + /* + * Reset inendian and outendian so that after this point, those can be + * used as condition values. + */ + inendian &= UCONV_IN_NAT_ENDIAN; + outendian &= UCONV_OUT_NAT_ENDIAN; + + /* + * If there is something in the input buffer and if necessary and + * requested, save the BOM at the output buffer. + */ + if (*utf16len > 0 && *utf32len > 0 && (flag & UCONV_OUT_EMIT_BOM)) + u32s[u32l++] = (outendian) ? UCONV_BOM_NORMAL : + UCONV_BOM_SWAPPED_32; + + /* + * Do conversion; if encounter a surrogate pair, assemble high and + * low pair values to form a UTF-32 character. If a half of a pair + * exists alone, then, either it is an illegal (EILSEQ) or + * invalid (EINVAL) value. + */ + for (; u16l < *utf16len; u16l++) { + if (u16s[u16l] == 0 && do_not_ignore_null) + break; + + lo = (uint32_t)((inendian) ? u16s[u16l] : BSWAP_16(u16s[u16l])); + + if (lo >= UCONV_U16_HI_MIN && lo <= UCONV_U16_HI_MAX) { + if (hi) + return (EILSEQ); + hi = lo; + continue; + } else if (lo >= UCONV_U16_LO_MIN && lo <= UCONV_U16_LO_MAX) { + if (! hi) + return (EILSEQ); + lo = (((hi - UCONV_U16_HI_MIN) * UCONV_U16_BIT_SHIFT + + lo - UCONV_U16_LO_MIN) & UCONV_U16_BIT_MASK) + + UCONV_U16_START; + hi = 0; + } else if (hi) { + return (EILSEQ); + } + + if (u32l >= *utf32len) + return (E2BIG); + + u32s[u32l++] = (outendian) ? lo : BSWAP_32(lo); + } + + /* + * If high half didn't see low half, then, it's most likely the input + * parameter is incomplete. + */ + if (hi) + return (EINVAL); + + /* + * Save the number of consumed and saved characters. They do not + * include terminating NULL character (U+0000) at the end of + * the input buffer (even when UCONV_IGNORE_NULL isn't specified and + * the input buffer length is big enough to include the terminating + * NULL character). + */ + *utf16len = u16l; + *utf32len = u32l; + + return (0); +} + +int +uconv_u16tou8(const uint16_t *u16s, size_t *utf16len, + uchar_t *u8s, size_t *utf8len, int flag) +{ + int inendian; + int outendian; + size_t u16l; + size_t u8l; + uint32_t hi; + uint32_t lo; + boolean_t do_not_ignore_null; + + if (u16s == NULL || utf16len == NULL) + return (EILSEQ); + + if (u8s == NULL || utf8len == NULL) + return (E2BIG); + + if (check_endian(flag, &inendian, &outendian) != 0) + return (EBADF); + + u16l = u8l = 0; + hi = 0; + do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0); + + if ((flag & UCONV_IN_ACCEPT_BOM) && + check_bom16(u16s, *utf16len, &inendian)) + u16l++; + + inendian &= UCONV_IN_NAT_ENDIAN; + + for (; u16l < *utf16len; u16l++) { + if (u16s[u16l] == 0 && do_not_ignore_null) + break; + + lo = (uint32_t)((inendian) ? u16s[u16l] : BSWAP_16(u16s[u16l])); + + if (lo >= UCONV_U16_HI_MIN && lo <= UCONV_U16_HI_MAX) { + if (hi) + return (EILSEQ); + hi = lo; + continue; + } else if (lo >= UCONV_U16_LO_MIN && lo <= UCONV_U16_LO_MAX) { + if (! hi) + return (EILSEQ); + lo = (((hi - UCONV_U16_HI_MIN) * UCONV_U16_BIT_SHIFT + + lo - UCONV_U16_LO_MIN) & UCONV_U16_BIT_MASK) + + UCONV_U16_START; + hi = 0; + } else if (hi) { + return (EILSEQ); + } + + /* + * Now we convert a UTF-32 character into a UTF-8 character. + * Unicode coding space is between U+0000 and U+10FFFF; + * anything bigger is an illegal character. + */ + if (lo <= UCONV_U8_ONE_BYTE) { + if (u8l >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)lo; + } else if (lo <= UCONV_U8_TWO_BYTES) { + if ((u8l + 1) >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)(0xc0 | ((lo & 0x07c0) >> 6)); + u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x003f)); + } else if (lo <= UCONV_U8_THREE_BYTES) { + if ((u8l + 2) >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)(0xe0 | ((lo & 0x0f000) >> 12)); + u8s[u8l++] = (uchar_t)(0x80 | ((lo & 0x00fc0) >> 6)); + u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x0003f)); + } else if (lo <= UCONV_U8_FOUR_BYTES) { + if ((u8l + 3) >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)(0xf0 | ((lo & 0x01c0000) >> 18)); + u8s[u8l++] = (uchar_t)(0x80 | ((lo & 0x003f000) >> 12)); + u8s[u8l++] = (uchar_t)(0x80 | ((lo & 0x0000fc0) >> 6)); + u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x000003f)); + } else { + return (EILSEQ); + } + } + + if (hi) + return (EINVAL); + + *utf16len = u16l; + *utf8len = u8l; + + return (0); +} + +int +uconv_u32tou16(const uint32_t *u32s, size_t *utf32len, + uint16_t *u16s, size_t *utf16len, int flag) +{ + int inendian; + int outendian; + size_t u16l; + size_t u32l; + uint32_t hi; + uint32_t lo; + boolean_t do_not_ignore_null; + + if (u32s == NULL || utf32len == NULL) + return (EILSEQ); + + if (u16s == NULL || utf16len == NULL) + return (E2BIG); + + if (check_endian(flag, &inendian, &outendian) != 0) + return (EBADF); + + u16l = u32l = 0; + do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0); + + if ((flag & UCONV_IN_ACCEPT_BOM) && + check_bom32(u32s, *utf32len, &inendian)) + u32l++; + + inendian &= UCONV_IN_NAT_ENDIAN; + outendian &= UCONV_OUT_NAT_ENDIAN; + + if (*utf32len > 0 && *utf16len > 0 && (flag & UCONV_OUT_EMIT_BOM)) + u16s[u16l++] = (outendian) ? UCONV_BOM_NORMAL : + UCONV_BOM_SWAPPED; + + for (; u32l < *utf32len; u32l++) { + if (u32s[u32l] == 0 && do_not_ignore_null) + break; + + hi = (inendian) ? u32s[u32l] : BSWAP_32(u32s[u32l]); + + /* + * Anything bigger than the Unicode coding space, i.e., + * Unicode scalar value bigger than U+10FFFF, is an illegal + * character. + */ + if (hi > UCONV_UNICODE_MAX) + return (EILSEQ); + + /* + * Anything bigger than U+FFFF must be converted into + * a surrogate pair in UTF-16. + */ + if (hi >= UCONV_U16_START) { + lo = ((hi - UCONV_U16_START) % UCONV_U16_BIT_SHIFT) + + UCONV_U16_LO_MIN; + hi = ((hi - UCONV_U16_START) / UCONV_U16_BIT_SHIFT) + + UCONV_U16_HI_MIN; + + if ((u16l + 1) >= *utf16len) + return (E2BIG); + + if (outendian) { + u16s[u16l++] = (uint16_t)hi; + u16s[u16l++] = (uint16_t)lo; + } else { + u16s[u16l++] = BSWAP_16(((uint16_t)hi)); + u16s[u16l++] = BSWAP_16(((uint16_t)lo)); + } + } else { + if (u16l >= *utf16len) + return (E2BIG); + u16s[u16l++] = (outendian) ? (uint16_t)hi : + BSWAP_16(((uint16_t)hi)); + } + } + + *utf16len = u16l; + *utf32len = u32l; + + return (0); +} + +int +uconv_u32tou8(const uint32_t *u32s, size_t *utf32len, + uchar_t *u8s, size_t *utf8len, int flag) +{ + int inendian; + int outendian; + size_t u32l; + size_t u8l; + uint32_t lo; + boolean_t do_not_ignore_null; + + if (u32s == NULL || utf32len == NULL) + return (EILSEQ); + + if (u8s == NULL || utf8len == NULL) + return (E2BIG); + + if (check_endian(flag, &inendian, &outendian) != 0) + return (EBADF); + + u32l = u8l = 0; + do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0); + + if ((flag & UCONV_IN_ACCEPT_BOM) && + check_bom32(u32s, *utf32len, &inendian)) + u32l++; + + inendian &= UCONV_IN_NAT_ENDIAN; + + for (; u32l < *utf32len; u32l++) { + if (u32s[u32l] == 0 && do_not_ignore_null) + break; + + lo = (inendian) ? u32s[u32l] : BSWAP_32(u32s[u32l]); + + if (lo <= UCONV_U8_ONE_BYTE) { + if (u8l >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)lo; + } else if (lo <= UCONV_U8_TWO_BYTES) { + if ((u8l + 1) >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)(0xc0 | ((lo & 0x07c0) >> 6)); + u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x003f)); + } else if (lo <= UCONV_U8_THREE_BYTES) { + if ((u8l + 2) >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)(0xe0 | ((lo & 0x0f000) >> 12)); + u8s[u8l++] = (uchar_t)(0x80 | ((lo & 0x00fc0) >> 6)); + u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x0003f)); + } else if (lo <= UCONV_U8_FOUR_BYTES) { + if ((u8l + 3) >= *utf8len) + return (E2BIG); + u8s[u8l++] = (uchar_t)(0xf0 | ((lo & 0x01c0000) >> 18)); + u8s[u8l++] = (uchar_t)(0x80 | ((lo & 0x003f000) >> 12)); + u8s[u8l++] = (uchar_t)(0x80 | ((lo & 0x0000fc0) >> 6)); + u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x000003f)); + } else { + return (EILSEQ); + } + } + + *utf32len = u32l; + *utf8len = u8l; + + return (0); +} + +int +uconv_u8tou16(const uchar_t *u8s, size_t *utf8len, + uint16_t *u16s, size_t *utf16len, int flag) +{ + int inendian; + int outendian; + size_t u16l; + size_t u8l; + uint32_t hi; + uint32_t lo; + int remaining_bytes; + int first_b; + boolean_t do_not_ignore_null; + + if (u8s == NULL || utf8len == NULL) + return (EILSEQ); + + if (u16s == NULL || utf16len == NULL) + return (E2BIG); + + if (check_endian(flag, &inendian, &outendian) != 0) + return (EBADF); + + u16l = u8l = 0; + do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0); + + outendian &= UCONV_OUT_NAT_ENDIAN; + + if (*utf8len > 0 && *utf16len > 0 && (flag & UCONV_OUT_EMIT_BOM)) + u16s[u16l++] = (outendian) ? UCONV_BOM_NORMAL : + UCONV_BOM_SWAPPED; + + for (; u8l < *utf8len; ) { + if (u8s[u8l] == 0 && do_not_ignore_null) + break; + + /* + * Collect a UTF-8 character and convert it to a UTF-32 + * character. In doing so, we screen out illegally formed + * UTF-8 characters and treat such as illegal characters. + * The algorithm at below also screens out anything bigger + * than the U+10FFFF. + * + * See Unicode 3.1 UTF-8 Corrigendum and Unicode 3.2 for + * more details on the illegal values of UTF-8 character + * bytes. + */ + hi = (uint32_t)u8s[u8l++]; + + if (hi > UCONV_ASCII_MAX) { + if ((remaining_bytes = remaining_bytes_tbl[hi]) == 0) + return (EILSEQ); + + first_b = hi; + hi = hi & u8_masks_tbl[remaining_bytes]; + + for (; remaining_bytes > 0; remaining_bytes--) { + /* + * If we have no more bytes, the current + * UTF-8 character is incomplete. + */ + if (u8l >= *utf8len) + return (EINVAL); + + lo = (uint32_t)u8s[u8l++]; + + if (first_b) { + if (lo < valid_min_2nd_byte[first_b] || + lo > valid_max_2nd_byte[first_b]) + return (EILSEQ); + first_b = 0; + } else if (lo < UCONV_U8_BYTE_MIN || + lo > UCONV_U8_BYTE_MAX) { + return (EILSEQ); + } + hi = (hi << UCONV_U8_BIT_SHIFT) | + (lo & UCONV_U8_BIT_MASK); + } + } + + if (hi >= UCONV_U16_START) { + lo = ((hi - UCONV_U16_START) % UCONV_U16_BIT_SHIFT) + + UCONV_U16_LO_MIN; + hi = ((hi - UCONV_U16_START) / UCONV_U16_BIT_SHIFT) + + UCONV_U16_HI_MIN; + + if ((u16l + 1) >= *utf16len) + return (E2BIG); + + if (outendian) { + u16s[u16l++] = (uint16_t)hi; + u16s[u16l++] = (uint16_t)lo; + } else { + u16s[u16l++] = BSWAP_16(((uint16_t)hi)); + u16s[u16l++] = BSWAP_16(((uint16_t)lo)); + } + } else { + if (u16l >= *utf16len) + return (E2BIG); + + u16s[u16l++] = (outendian) ? (uint16_t)hi : + BSWAP_16(((uint16_t)hi)); + } + } + + *utf16len = u16l; + *utf8len = u8l; + + return (0); +} + +int +uconv_u8tou32(const uchar_t *u8s, size_t *utf8len, + uint32_t *u32s, size_t *utf32len, int flag) +{ + int inendian; + int outendian; + size_t u32l; + size_t u8l; + uint32_t hi; + uint32_t c; + int remaining_bytes; + int first_b; + boolean_t do_not_ignore_null; + + if (u8s == NULL || utf8len == NULL) + return (EILSEQ); + + if (u32s == NULL || utf32len == NULL) + return (E2BIG); + + if (check_endian(flag, &inendian, &outendian) != 0) + return (EBADF); + + u32l = u8l = 0; + do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0); + + outendian &= UCONV_OUT_NAT_ENDIAN; + + if (*utf8len > 0 && *utf32len > 0 && (flag & UCONV_OUT_EMIT_BOM)) + u32s[u32l++] = (outendian) ? UCONV_BOM_NORMAL : + UCONV_BOM_SWAPPED_32; + + for (; u8l < *utf8len; ) { + if (u8s[u8l] == 0 && do_not_ignore_null) + break; + + hi = (uint32_t)u8s[u8l++]; + + if (hi > UCONV_ASCII_MAX) { + if ((remaining_bytes = remaining_bytes_tbl[hi]) == 0) + return (EILSEQ); + + first_b = hi; + hi = hi & u8_masks_tbl[remaining_bytes]; + + for (; remaining_bytes > 0; remaining_bytes--) { + if (u8l >= *utf8len) + return (EINVAL); + + c = (uint32_t)u8s[u8l++]; + + if (first_b) { + if (c < valid_min_2nd_byte[first_b] || + c > valid_max_2nd_byte[first_b]) + return (EILSEQ); + first_b = 0; + } else if (c < UCONV_U8_BYTE_MIN || + c > UCONV_U8_BYTE_MAX) { + return (EILSEQ); + } + hi = (hi << UCONV_U8_BIT_SHIFT) | + (c & UCONV_U8_BIT_MASK); + } + } + + if (u32l >= *utf32len) + return (E2BIG); + + u32s[u32l++] = (outendian) ? hi : BSWAP_32(hi); + } + + *utf32len = u32l; + *utf8len = u8l; + + return (0); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(uconv_u16tou32); +EXPORT_SYMBOL(uconv_u16tou8); +EXPORT_SYMBOL(uconv_u32tou16); +EXPORT_SYMBOL(uconv_u32tou8); +EXPORT_SYMBOL(uconv_u8tou16); +EXPORT_SYMBOL(uconv_u8tou32); +#endif diff --git a/zfs/module/zcommon/Makefile.in b/zfs/module/zcommon/Makefile.in new file mode 100644 index 000000000000..67e474ee089d --- /dev/null +++ b/zfs/module/zcommon/Makefile.in @@ -0,0 +1,17 @@ +src = @abs_top_srcdir@/module/zcommon +obj = @abs_builddir@ + +MODULE := zcommon + +EXTRA_CFLAGS = $(ZFS_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +obj-$(CONFIG_ZFS) := $(MODULE).o + +$(MODULE)-objs += zfs_deleg.o +$(MODULE)-objs += zfs_prop.o +$(MODULE)-objs += zprop_common.o +$(MODULE)-objs += zfs_namecheck.o +$(MODULE)-objs += zfs_comutil.o +$(MODULE)-objs += zfs_fletcher.o +$(MODULE)-objs += zfs_uio.o +$(MODULE)-objs += zpool_prop.o diff --git a/zfs/module/zcommon/zfs_comutil.c b/zfs/module/zcommon/zfs_comutil.c new file mode 100644 index 000000000000..6d0314fa78d0 --- /dev/null +++ b/zfs/module/zcommon/zfs_comutil.c @@ -0,0 +1,215 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +/* + * This file is intended for functions that ought to be common between user + * land (libzfs) and the kernel. When many common routines need to be shared + * then a separate file should to be created. + */ + +#if defined(_KERNEL) +#include +#else +#include +#endif + +#include +#include +#include +#include +#include "zfs_comutil.h" + +/* + * Are there allocatable vdevs? + */ +boolean_t +zfs_allocatable_devs(nvlist_t *nv) +{ + uint64_t is_log; + uint_t c; + nvlist_t **child; + uint_t children; + + if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, + &child, &children) != 0) { + return (B_FALSE); + } + for (c = 0; c < children; c++) { + is_log = 0; + (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, + &is_log); + if (!is_log) + return (B_TRUE); + } + return (B_FALSE); +} + +void +zpool_get_rewind_policy(nvlist_t *nvl, zpool_rewind_policy_t *zrpp) +{ + nvlist_t *policy; + nvpair_t *elem; + char *nm; + + /* Defaults */ + zrpp->zrp_request = ZPOOL_NO_REWIND; + zrpp->zrp_maxmeta = 0; + zrpp->zrp_maxdata = UINT64_MAX; + zrpp->zrp_txg = UINT64_MAX; + + if (nvl == NULL) + return; + + elem = NULL; + while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { + nm = nvpair_name(elem); + if (strcmp(nm, ZPOOL_REWIND_POLICY) == 0) { + if (nvpair_value_nvlist(elem, &policy) == 0) + zpool_get_rewind_policy(policy, zrpp); + return; + } else if (strcmp(nm, ZPOOL_REWIND_REQUEST) == 0) { + if (nvpair_value_uint32(elem, &zrpp->zrp_request) == 0) + if (zrpp->zrp_request & ~ZPOOL_REWIND_POLICIES) + zrpp->zrp_request = ZPOOL_NO_REWIND; + } else if (strcmp(nm, ZPOOL_REWIND_REQUEST_TXG) == 0) { + (void) nvpair_value_uint64(elem, &zrpp->zrp_txg); + } else if (strcmp(nm, ZPOOL_REWIND_META_THRESH) == 0) { + (void) nvpair_value_uint64(elem, &zrpp->zrp_maxmeta); + } else if (strcmp(nm, ZPOOL_REWIND_DATA_THRESH) == 0) { + (void) nvpair_value_uint64(elem, &zrpp->zrp_maxdata); + } + } + if (zrpp->zrp_request == 0) + zrpp->zrp_request = ZPOOL_NO_REWIND; +} + +typedef struct zfs_version_spa_map { + int version_zpl; + int version_spa; +} zfs_version_spa_map_t; + +/* + * Keep this table in monotonically increasing version number order. + */ +static zfs_version_spa_map_t zfs_version_table[] = { + {ZPL_VERSION_INITIAL, SPA_VERSION_INITIAL}, + {ZPL_VERSION_DIRENT_TYPE, SPA_VERSION_INITIAL}, + {ZPL_VERSION_FUID, SPA_VERSION_FUID}, + {ZPL_VERSION_USERSPACE, SPA_VERSION_USERSPACE}, + {ZPL_VERSION_SA, SPA_VERSION_SA}, + {0, 0} +}; + +/* + * Return the max zpl version for a corresponding spa version + * -1 is returned if no mapping exists. + */ +int +zfs_zpl_version_map(int spa_version) +{ + int i; + int version = -1; + + for (i = 0; zfs_version_table[i].version_spa; i++) { + if (spa_version >= zfs_version_table[i].version_spa) + version = zfs_version_table[i].version_zpl; + } + + return (version); +} + +/* + * Return the min spa version for a corresponding spa version + * -1 is returned if no mapping exists. + */ +int +zfs_spa_version_map(int zpl_version) +{ + int i; + int version = -1; + + for (i = 0; zfs_version_table[i].version_zpl; i++) { + if (zfs_version_table[i].version_zpl >= zpl_version) + return (zfs_version_table[i].version_spa); + } + + return (version); +} + +/* + * This is the table of legacy internal event names; it should not be modified. + * The internal events are now stored in the history log as strings. + */ +const char *zfs_history_event_names[ZFS_NUM_LEGACY_HISTORY_EVENTS] = { + "invalid event", + "pool create", + "vdev add", + "pool remove", + "pool destroy", + "pool export", + "pool import", + "vdev attach", + "vdev replace", + "vdev detach", + "vdev online", + "vdev offline", + "vdev upgrade", + "pool clear", + "pool scrub", + "pool property set", + "create", + "clone", + "destroy", + "destroy_begin_sync", + "inherit", + "property set", + "quota set", + "permission update", + "permission remove", + "permission who remove", + "promote", + "receive", + "rename", + "reservation set", + "replay_inc_sync", + "replay_full_sync", + "rollback", + "snapshot", + "filesystem version upgrade", + "refquota set", + "refreservation set", + "pool scrub done", + "user hold", + "user release", + "pool split", +}; + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zfs_allocatable_devs); +EXPORT_SYMBOL(zpool_get_rewind_policy); +EXPORT_SYMBOL(zfs_zpl_version_map); +EXPORT_SYMBOL(zfs_spa_version_map); +EXPORT_SYMBOL(zfs_history_event_names); +#endif diff --git a/zfs/module/zcommon/zfs_deleg.c b/zfs/module/zcommon/zfs_deleg.c new file mode 100644 index 000000000000..f6e41da9d7ea --- /dev/null +++ b/zfs/module/zcommon/zfs_deleg.c @@ -0,0 +1,238 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2010 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include + +#if defined(_KERNEL) +#include +#include +#include +#else +#include +#include +#include +#include +#include +#endif +#include +#include "zfs_prop.h" +#include "zfs_deleg.h" +#include "zfs_namecheck.h" + +zfs_deleg_perm_tab_t zfs_deleg_perm_tab[] = { + {ZFS_DELEG_PERM_ALLOW}, + {ZFS_DELEG_PERM_BOOKMARK}, + {ZFS_DELEG_PERM_CLONE}, + {ZFS_DELEG_PERM_CREATE}, + {ZFS_DELEG_PERM_DESTROY}, + {ZFS_DELEG_PERM_DIFF}, + {ZFS_DELEG_PERM_MOUNT}, + {ZFS_DELEG_PERM_PROMOTE}, + {ZFS_DELEG_PERM_RECEIVE}, + {ZFS_DELEG_PERM_RENAME}, + {ZFS_DELEG_PERM_ROLLBACK}, + {ZFS_DELEG_PERM_SNAPSHOT}, + {ZFS_DELEG_PERM_SHARE}, + {ZFS_DELEG_PERM_SEND}, + {ZFS_DELEG_PERM_USERPROP}, + {ZFS_DELEG_PERM_USERQUOTA}, + {ZFS_DELEG_PERM_GROUPQUOTA}, + {ZFS_DELEG_PERM_USERUSED}, + {ZFS_DELEG_PERM_GROUPUSED}, + {ZFS_DELEG_PERM_HOLD}, + {ZFS_DELEG_PERM_RELEASE}, + {NULL} +}; + +static int +zfs_valid_permission_name(const char *perm) +{ + if (zfs_deleg_canonicalize_perm(perm)) + return (0); + + return (permset_namecheck(perm, NULL, NULL)); +} + +const char * +zfs_deleg_canonicalize_perm(const char *perm) +{ + int i; + zfs_prop_t prop; + + for (i = 0; zfs_deleg_perm_tab[i].z_perm != NULL; i++) { + if (strcmp(perm, zfs_deleg_perm_tab[i].z_perm) == 0) + return (perm); + } + + prop = zfs_name_to_prop(perm); + if (prop != ZPROP_INVAL && zfs_prop_delegatable(prop)) + return (zfs_prop_to_name(prop)); + return (NULL); + +} + +static int +zfs_validate_who(char *who) +{ + char *p; + + if (who[2] != ZFS_DELEG_FIELD_SEP_CHR) + return (-1); + + switch (who[0]) { + case ZFS_DELEG_USER: + case ZFS_DELEG_GROUP: + case ZFS_DELEG_USER_SETS: + case ZFS_DELEG_GROUP_SETS: + if (who[1] != ZFS_DELEG_LOCAL && who[1] != ZFS_DELEG_DESCENDENT) + return (-1); + for (p = &who[3]; *p; p++) + if (!isdigit(*p)) + return (-1); + break; + + case ZFS_DELEG_NAMED_SET: + case ZFS_DELEG_NAMED_SET_SETS: + if (who[1] != ZFS_DELEG_NA) + return (-1); + return (permset_namecheck(&who[3], NULL, NULL)); + + case ZFS_DELEG_CREATE: + case ZFS_DELEG_CREATE_SETS: + if (who[1] != ZFS_DELEG_NA) + return (-1); + if (who[3] != '\0') + return (-1); + break; + + case ZFS_DELEG_EVERYONE: + case ZFS_DELEG_EVERYONE_SETS: + if (who[1] != ZFS_DELEG_LOCAL && who[1] != ZFS_DELEG_DESCENDENT) + return (-1); + if (who[3] != '\0') + return (-1); + break; + + default: + return (-1); + } + + return (0); +} + +int +zfs_deleg_verify_nvlist(nvlist_t *nvp) +{ + nvpair_t *who, *perm_name; + nvlist_t *perms; + int error; + + if (nvp == NULL) + return (-1); + + who = nvlist_next_nvpair(nvp, NULL); + if (who == NULL) + return (-1); + + do { + if (zfs_validate_who(nvpair_name(who))) + return (-1); + + error = nvlist_lookup_nvlist(nvp, nvpair_name(who), &perms); + + if (error && error != ENOENT) + return (-1); + if (error == ENOENT) + continue; + + perm_name = nvlist_next_nvpair(perms, NULL); + if (perm_name == NULL) { + return (-1); + } + do { + error = zfs_valid_permission_name( + nvpair_name(perm_name)); + if (error) + return (-1); + } while ((perm_name = nvlist_next_nvpair(perms, perm_name))); + } while ((who = nvlist_next_nvpair(nvp, who))); + return (0); +} + +/* + * Construct the base attribute name. The base attribute names + * are the "key" to locate the jump objects which contain the actual + * permissions. The base attribute names are encoded based on + * type of entry and whether it is a local or descendent permission. + * + * Arguments: + * attr - attribute name return string, attribute is assumed to be + * ZFS_MAX_DELEG_NAME long. + * type - type of entry to construct + * inheritchr - inheritance type (local,descendent, or NA for create and + * permission set definitions + * data - is either a permission set name or a 64 bit uid/gid. + */ +void +zfs_deleg_whokey(char *attr, zfs_deleg_who_type_t type, + char inheritchr, void *data) +{ + int len = ZFS_MAX_DELEG_NAME; + uint64_t *id = data; + + switch (type) { + case ZFS_DELEG_USER: + case ZFS_DELEG_GROUP: + case ZFS_DELEG_USER_SETS: + case ZFS_DELEG_GROUP_SETS: + (void) snprintf(attr, len, "%c%c%c%lld", type, inheritchr, + ZFS_DELEG_FIELD_SEP_CHR, (longlong_t)*id); + break; + case ZFS_DELEG_NAMED_SET_SETS: + case ZFS_DELEG_NAMED_SET: + (void) snprintf(attr, len, "%c-%c%s", type, + ZFS_DELEG_FIELD_SEP_CHR, (char *)data); + break; + case ZFS_DELEG_CREATE: + case ZFS_DELEG_CREATE_SETS: + (void) snprintf(attr, len, "%c-%c", type, + ZFS_DELEG_FIELD_SEP_CHR); + break; + case ZFS_DELEG_EVERYONE: + case ZFS_DELEG_EVERYONE_SETS: + (void) snprintf(attr, len, "%c%c%c", type, inheritchr, + ZFS_DELEG_FIELD_SEP_CHR); + break; + default: + cmn_err(CE_PANIC, "bad zfs_deleg_who_type_t %d", type); + } +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zfs_deleg_verify_nvlist); +EXPORT_SYMBOL(zfs_deleg_whokey); +EXPORT_SYMBOL(zfs_deleg_canonicalize_perm); +#endif diff --git a/zfs/module/zcommon/zfs_fletcher.c b/zfs/module/zcommon/zfs_fletcher.c new file mode 100644 index 000000000000..edd0cbe6c611 --- /dev/null +++ b/zfs/module/zcommon/zfs_fletcher.c @@ -0,0 +1,255 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Fletcher Checksums + * ------------------ + * + * ZFS's 2nd and 4th order Fletcher checksums are defined by the following + * recurrence relations: + * + * a = a + f + * i i-1 i-1 + * + * b = b + a + * i i-1 i + * + * c = c + b (fletcher-4 only) + * i i-1 i + * + * d = d + c (fletcher-4 only) + * i i-1 i + * + * Where + * a_0 = b_0 = c_0 = d_0 = 0 + * and + * f_0 .. f_(n-1) are the input data. + * + * Using standard techniques, these translate into the following series: + * + * __n_ __n_ + * \ | \ | + * a = > f b = > i * f + * n /___| n - i n /___| n - i + * i = 1 i = 1 + * + * + * __n_ __n_ + * \ | i*(i+1) \ | i*(i+1)*(i+2) + * c = > ------- f d = > ------------- f + * n /___| 2 n - i n /___| 6 n - i + * i = 1 i = 1 + * + * For fletcher-2, the f_is are 64-bit, and [ab]_i are 64-bit accumulators. + * Since the additions are done mod (2^64), errors in the high bits may not + * be noticed. For this reason, fletcher-2 is deprecated. + * + * For fletcher-4, the f_is are 32-bit, and [abcd]_i are 64-bit accumulators. + * A conservative estimate of how big the buffer can get before we overflow + * can be estimated using f_i = 0xffffffff for all i: + * + * % bc + * f=2^32-1;d=0; for (i = 1; d<2^64; i++) { d += f*i*(i+1)*(i+2)/6 }; (i-1)*4 + * 2264 + * quit + * % + * + * So blocks of up to 2k will not overflow. Our largest block size is + * 128k, which has 32k 4-byte words, so we can compute the largest possible + * accumulators, then divide by 2^64 to figure the max amount of overflow: + * + * % bc + * a=b=c=d=0; f=2^32-1; for (i=1; i<=32*1024; i++) { a+=f; b+=a; c+=b; d+=c } + * a/2^64;b/2^64;c/2^64;d/2^64 + * 0 + * 0 + * 1365 + * 11186858 + * quit + * % + * + * So a and b cannot overflow. To make sure each bit of input has some + * effect on the contents of c and d, we can look at what the factors of + * the coefficients in the equations for c_n and d_n are. The number of 2s + * in the factors determines the lowest set bit in the multiplier. Running + * through the cases for n*(n+1)/2 reveals that the highest power of 2 is + * 2^14, and for n*(n+1)*(n+2)/6 it is 2^15. So while some data may overflow + * the 64-bit accumulators, every bit of every f_i effects every accumulator, + * even for 128k blocks. + * + * If we wanted to make a stronger version of fletcher4 (fletcher4c?), + * we could do our calculations mod (2^32 - 1) by adding in the carries + * periodically, and store the number of carries in the top 32-bits. + * + * -------------------- + * Checksum Performance + * -------------------- + * + * There are two interesting components to checksum performance: cached and + * uncached performance. With cached data, fletcher-2 is about four times + * faster than fletcher-4. With uncached data, the performance difference is + * negligible, since the cost of a cache fill dominates the processing time. + * Even though fletcher-4 is slower than fletcher-2, it is still a pretty + * efficient pass over the data. + * + * In normal operation, the data which is being checksummed is in a buffer + * which has been filled either by: + * + * 1. a compression step, which will be mostly cached, or + * 2. a bcopy() or copyin(), which will be uncached (because the + * copy is cache-bypassing). + * + * For both cached and uncached data, both fletcher checksums are much faster + * than sha-256, and slower than 'off', which doesn't touch the data at all. + */ + +#include +#include +#include +#include +#include + +void +fletcher_2_native(const void *buf, uint64_t size, zio_cksum_t *zcp) +{ + const uint64_t *ip = buf; + const uint64_t *ipend = ip + (size / sizeof (uint64_t)); + uint64_t a0, b0, a1, b1; + + for (a0 = b0 = a1 = b1 = 0; ip < ipend; ip += 2) { + a0 += ip[0]; + a1 += ip[1]; + b0 += a0; + b1 += a1; + } + + ZIO_SET_CHECKSUM(zcp, a0, a1, b0, b1); +} + +void +fletcher_2_byteswap(const void *buf, uint64_t size, zio_cksum_t *zcp) +{ + const uint64_t *ip = buf; + const uint64_t *ipend = ip + (size / sizeof (uint64_t)); + uint64_t a0, b0, a1, b1; + + for (a0 = b0 = a1 = b1 = 0; ip < ipend; ip += 2) { + a0 += BSWAP_64(ip[0]); + a1 += BSWAP_64(ip[1]); + b0 += a0; + b1 += a1; + } + + ZIO_SET_CHECKSUM(zcp, a0, a1, b0, b1); +} + +void +fletcher_4_native(const void *buf, uint64_t size, zio_cksum_t *zcp) +{ + const uint32_t *ip = buf; + const uint32_t *ipend = ip + (size / sizeof (uint32_t)); + uint64_t a, b, c, d; + + for (a = b = c = d = 0; ip < ipend; ip++) { + a += ip[0]; + b += a; + c += b; + d += c; + } + + ZIO_SET_CHECKSUM(zcp, a, b, c, d); +} + +void +fletcher_4_byteswap(const void *buf, uint64_t size, zio_cksum_t *zcp) +{ + const uint32_t *ip = buf; + const uint32_t *ipend = ip + (size / sizeof (uint32_t)); + uint64_t a, b, c, d; + + for (a = b = c = d = 0; ip < ipend; ip++) { + a += BSWAP_32(ip[0]); + b += a; + c += b; + d += c; + } + + ZIO_SET_CHECKSUM(zcp, a, b, c, d); +} + +void +fletcher_4_incremental_native(const void *buf, uint64_t size, + zio_cksum_t *zcp) +{ + const uint32_t *ip = buf; + const uint32_t *ipend = ip + (size / sizeof (uint32_t)); + uint64_t a, b, c, d; + + a = zcp->zc_word[0]; + b = zcp->zc_word[1]; + c = zcp->zc_word[2]; + d = zcp->zc_word[3]; + + for (; ip < ipend; ip++) { + a += ip[0]; + b += a; + c += b; + d += c; + } + + ZIO_SET_CHECKSUM(zcp, a, b, c, d); +} + +void +fletcher_4_incremental_byteswap(const void *buf, uint64_t size, + zio_cksum_t *zcp) +{ + const uint32_t *ip = buf; + const uint32_t *ipend = ip + (size / sizeof (uint32_t)); + uint64_t a, b, c, d; + + a = zcp->zc_word[0]; + b = zcp->zc_word[1]; + c = zcp->zc_word[2]; + d = zcp->zc_word[3]; + + for (; ip < ipend; ip++) { + a += BSWAP_32(ip[0]); + b += a; + c += b; + d += c; + } + + ZIO_SET_CHECKSUM(zcp, a, b, c, d); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(fletcher_2_native); +EXPORT_SYMBOL(fletcher_2_byteswap); +EXPORT_SYMBOL(fletcher_4_native); +EXPORT_SYMBOL(fletcher_4_byteswap); +EXPORT_SYMBOL(fletcher_4_incremental_native); +EXPORT_SYMBOL(fletcher_4_incremental_byteswap); +#endif diff --git a/zfs/module/zcommon/zfs_namecheck.c b/zfs/module/zcommon/zfs_namecheck.c new file mode 100644 index 000000000000..ff724be588cc --- /dev/null +++ b/zfs/module/zcommon/zfs_namecheck.c @@ -0,0 +1,381 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +/* + * Common name validation routines for ZFS. These routines are shared by the + * userland code as well as the ioctl() layer to ensure that we don't + * inadvertently expose a hole through direct ioctl()s that never gets tested. + * In userland, however, we want significantly more information about _why_ the + * name is invalid. In the kernel, we only care whether it's valid or not. + * Each routine therefore takes a 'namecheck_err_t' which describes exactly why + * the name failed to validate. + * + * Each function returns 0 on success, -1 on error. + */ + +#if defined(_KERNEL) +#include +#else +#include +#endif + +#include +#include +#include "zfs_namecheck.h" +#include "zfs_deleg.h" + +static int +valid_char(char c) +{ + return ((c >= 'a' && c <= 'z') || + (c >= 'A' && c <= 'Z') || + (c >= '0' && c <= '9') || + c == '-' || c == '_' || c == '.' || c == ':' || c == ' '); +} + +/* + * Snapshot names must be made up of alphanumeric characters plus the following + * characters: + * + * [-_.: ] + */ +int +zfs_component_namecheck(const char *path, namecheck_err_t *why, char *what) +{ + const char *loc; + + if (strlen(path) >= MAXNAMELEN) { + if (why) + *why = NAME_ERR_TOOLONG; + return (-1); + } + + if (path[0] == '\0') { + if (why) + *why = NAME_ERR_EMPTY_COMPONENT; + return (-1); + } + + for (loc = path; *loc; loc++) { + if (!valid_char(*loc)) { + if (why) { + *why = NAME_ERR_INVALCHAR; + *what = *loc; + } + return (-1); + } + } + return (0); +} + + +/* + * Permissions set name must start with the letter '@' followed by the + * same character restrictions as snapshot names, except that the name + * cannot exceed 64 characters. + */ +int +permset_namecheck(const char *path, namecheck_err_t *why, char *what) +{ + if (strlen(path) >= ZFS_PERMSET_MAXLEN) { + if (why) + *why = NAME_ERR_TOOLONG; + return (-1); + } + + if (path[0] != '@') { + if (why) { + *why = NAME_ERR_NO_AT; + *what = path[0]; + } + return (-1); + } + + return (zfs_component_namecheck(&path[1], why, what)); +} + +/* + * Dataset names must be of the following form: + * + * [component][/]*[component][@component] + * + * Where each component is made up of alphanumeric characters plus the following + * characters: + * + * [-_.:%] + * + * We allow '%' here as we use that character internally to create unique + * names for temporary clones (for online recv). + */ +int +dataset_namecheck(const char *path, namecheck_err_t *why, char *what) +{ + const char *loc, *end; + int found_snapshot; + + /* + * Make sure the name is not too long. + * + * ZFS_MAXNAMELEN is the maximum dataset length used in the userland + * which is the same as MAXNAMELEN used in the kernel. + * If ZFS_MAXNAMELEN value is changed, make sure to cleanup all + * places using MAXNAMELEN. + * + * When HAVE_KOBJ_NAME_LEN is defined the maximum safe kobject name + * length is 20 bytes. This 20 bytes is broken down as follows to + * provide a maximum safe /[@snapshot] length of only + * 18 bytes. To ensure bytes are left for [@snapshot] the + * portition is futher limited to 9 bytes. For 2.6.27 and + * newer kernels this limit is set to MAXNAMELEN. + * + * / + + + * (18) + (1) + (1) + */ +#ifdef HAVE_KOBJ_NAME_LEN + if (strlen(path) > 18) { +#else + if (strlen(path) >= MAXNAMELEN) { +#endif /* HAVE_KOBJ_NAME_LEN */ + if (why) + *why = NAME_ERR_TOOLONG; + return (-1); + } + + /* Explicitly check for a leading slash. */ + if (path[0] == '/') { + if (why) + *why = NAME_ERR_LEADING_SLASH; + return (-1); + } + + if (path[0] == '\0') { + if (why) + *why = NAME_ERR_EMPTY_COMPONENT; + return (-1); + } + + loc = path; + found_snapshot = 0; + for (;;) { + /* Find the end of this component */ + end = loc; + while (*end != '/' && *end != '@' && *end != '\0') + end++; + + if (*end == '\0' && end[-1] == '/') { + /* trailing slashes are not allowed */ + if (why) + *why = NAME_ERR_TRAILING_SLASH; + return (-1); + } + + /* Zero-length components are not allowed */ + if (loc == end) { + if (why) { + /* + * Make sure this is really a zero-length + * component and not a '@@'. + */ + if (*end == '@' && found_snapshot) { + *why = NAME_ERR_MULTIPLE_AT; + } else { + *why = NAME_ERR_EMPTY_COMPONENT; + } + } + + return (-1); + } + + /* Validate the contents of this component */ + while (loc != end) { + if (!valid_char(*loc) && *loc != '%') { + if (why) { + *why = NAME_ERR_INVALCHAR; + *what = *loc; + } + return (-1); + } + loc++; + } + + /* If we've reached the end of the string, we're OK */ + if (*end == '\0') + return (0); + + if (*end == '@') { + /* + * If we've found an @ symbol, indicate that we're in + * the snapshot component, and report a second '@' + * character as an error. + */ + if (found_snapshot) { + if (why) + *why = NAME_ERR_MULTIPLE_AT; + return (-1); + } + + found_snapshot = 1; + } + + /* + * If there is a '/' in a snapshot name + * then report an error + */ + if (*end == '/' && found_snapshot) { + if (why) + *why = NAME_ERR_TRAILING_SLASH; + return (-1); + } + + /* Update to the next component */ + loc = end + 1; + } +} + + +/* + * mountpoint names must be of the following form: + * + * /[component][/]*[component][/] + */ +int +mountpoint_namecheck(const char *path, namecheck_err_t *why) +{ + const char *start, *end; + + /* + * Make sure none of the mountpoint component names are too long. + * If a component name is too long then the mkdir of the mountpoint + * will fail but then the mountpoint property will be set to a value + * that can never be mounted. Better to fail before setting the prop. + * Extra slashes are OK, they will be tossed by the mountpoint mkdir. + */ + + if (path == NULL || *path != '/') { + if (why) + *why = NAME_ERR_LEADING_SLASH; + return (-1); + } + + /* Skip leading slash */ + start = &path[1]; + do { + end = start; + while (*end != '/' && *end != '\0') + end++; + + if (end - start >= MAXNAMELEN) { + if (why) + *why = NAME_ERR_TOOLONG; + return (-1); + } + start = end + 1; + + } while (*end != '\0'); + + return (0); +} + +/* + * For pool names, we have the same set of valid characters as described in + * dataset names, with the additional restriction that the pool name must begin + * with a letter. The pool names 'raidz' and 'mirror' are also reserved names + * that cannot be used. + */ +int +pool_namecheck(const char *pool, namecheck_err_t *why, char *what) +{ + const char *c; + + /* + * Make sure the name is not too long. + * + * ZPOOL_MAXNAMELEN is the maximum pool length used in the userland + * which is the same as MAXNAMELEN used in the kernel. + * If ZPOOL_MAXNAMELEN value is changed, make sure to cleanup all + * places using MAXNAMELEN. + * + * When HAVE_KOBJ_NAME_LEN is defined the maximum safe kobject name + * length is 20 bytes. This 20 bytes is broken down as follows to + * provide a maximum safe /[@snapshot] length of only + * 18 bytes. To ensure bytes are left for [@snapshot] the + * portition is futher limited to 8 bytes. For 2.6.27 and + * newer kernels this limit is set to MAXNAMELEN. + * + * / + + + * (18) + (1) + (1) + */ +#ifdef HAVE_KOBJ_NAME_LEN + if (strlen(pool) > 8) { +#else + if (strlen(pool) >= MAXNAMELEN) { +#endif /* HAVE_KOBJ_NAME_LEN */ + if (why) + *why = NAME_ERR_TOOLONG; + return (-1); + } + + c = pool; + while (*c != '\0') { + if (!valid_char(*c)) { + if (why) { + *why = NAME_ERR_INVALCHAR; + *what = *c; + } + return (-1); + } + c++; + } + + if (!(*pool >= 'a' && *pool <= 'z') && + !(*pool >= 'A' && *pool <= 'Z')) { + if (why) + *why = NAME_ERR_NOLETTER; + return (-1); + } + + if (strcmp(pool, "mirror") == 0 || strcmp(pool, "raidz") == 0) { + if (why) + *why = NAME_ERR_RESERVED; + return (-1); + } + + if (pool[0] == 'c' && (pool[1] >= '0' && pool[1] <= '9')) { + if (why) + *why = NAME_ERR_DISKLIKE; + return (-1); + } + + return (0); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(pool_namecheck); +EXPORT_SYMBOL(dataset_namecheck); +EXPORT_SYMBOL(zfs_component_namecheck); +#endif diff --git a/zfs/module/zcommon/zfs_prop.c b/zfs/module/zcommon/zfs_prop.c new file mode 100644 index 000000000000..aaebab444cfa --- /dev/null +++ b/zfs/module/zcommon/zfs_prop.c @@ -0,0 +1,733 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#include +#include +#include +#include +#include +#include + +#include "zfs_prop.h" +#include "zfs_deleg.h" + +#if defined(_KERNEL) +#include +#else +#include +#include +#include +#endif + +static zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS]; + +/* Note this is indexed by zfs_userquota_prop_t, keep the order the same */ +const char *zfs_userquota_prop_prefixes[] = { + "userused@", + "userquota@", + "groupused@", + "groupquota@" +}; + +zprop_desc_t * +zfs_prop_get_table(void) +{ + return (zfs_prop_table); +} + +void +zfs_prop_init(void) +{ + static zprop_index_t checksum_table[] = { + { "on", ZIO_CHECKSUM_ON }, + { "off", ZIO_CHECKSUM_OFF }, + { "fletcher2", ZIO_CHECKSUM_FLETCHER_2 }, + { "fletcher4", ZIO_CHECKSUM_FLETCHER_4 }, + { "sha256", ZIO_CHECKSUM_SHA256 }, + { NULL } + }; + + static zprop_index_t dedup_table[] = { + { "on", ZIO_CHECKSUM_ON }, + { "off", ZIO_CHECKSUM_OFF }, + { "verify", ZIO_CHECKSUM_ON | ZIO_CHECKSUM_VERIFY }, + { "sha256", ZIO_CHECKSUM_SHA256 }, + { "sha256,verify", + ZIO_CHECKSUM_SHA256 | ZIO_CHECKSUM_VERIFY }, + { NULL } + }; + + static zprop_index_t compress_table[] = { + { "on", ZIO_COMPRESS_ON }, + { "off", ZIO_COMPRESS_OFF }, + { "lzjb", ZIO_COMPRESS_LZJB }, + { "gzip", ZIO_COMPRESS_GZIP_6 }, /* gzip default */ + { "gzip-1", ZIO_COMPRESS_GZIP_1 }, + { "gzip-2", ZIO_COMPRESS_GZIP_2 }, + { "gzip-3", ZIO_COMPRESS_GZIP_3 }, + { "gzip-4", ZIO_COMPRESS_GZIP_4 }, + { "gzip-5", ZIO_COMPRESS_GZIP_5 }, + { "gzip-6", ZIO_COMPRESS_GZIP_6 }, + { "gzip-7", ZIO_COMPRESS_GZIP_7 }, + { "gzip-8", ZIO_COMPRESS_GZIP_8 }, + { "gzip-9", ZIO_COMPRESS_GZIP_9 }, + { "zle", ZIO_COMPRESS_ZLE }, + { "lz4", ZIO_COMPRESS_LZ4 }, + { NULL } + }; + + static zprop_index_t snapdir_table[] = { + { "hidden", ZFS_SNAPDIR_HIDDEN }, + { "visible", ZFS_SNAPDIR_VISIBLE }, + { NULL } + }; + + static zprop_index_t snapdev_table[] = { + { "hidden", ZFS_SNAPDEV_HIDDEN }, + { "visible", ZFS_SNAPDEV_VISIBLE }, + { NULL } + }; + + static zprop_index_t acltype_table[] = { + { "off", ZFS_ACLTYPE_OFF }, + { "disabled", ZFS_ACLTYPE_OFF }, + { "noacl", ZFS_ACLTYPE_OFF }, + { "posixacl", ZFS_ACLTYPE_POSIXACL }, + { NULL } + }; + + static zprop_index_t acl_inherit_table[] = { + { "discard", ZFS_ACL_DISCARD }, + { "noallow", ZFS_ACL_NOALLOW }, + { "restricted", ZFS_ACL_RESTRICTED }, + { "passthrough", ZFS_ACL_PASSTHROUGH }, + { "secure", ZFS_ACL_RESTRICTED }, /* bkwrd compatability */ + { "passthrough-x", ZFS_ACL_PASSTHROUGH_X }, + { NULL } + }; + + static zprop_index_t case_table[] = { + { "sensitive", ZFS_CASE_SENSITIVE }, + { "insensitive", ZFS_CASE_INSENSITIVE }, + { "mixed", ZFS_CASE_MIXED }, + { NULL } + }; + + static zprop_index_t copies_table[] = { + { "1", 1 }, + { "2", 2 }, + { "3", 3 }, + { NULL } + }; + + /* + * Use the unique flags we have to send to u8_strcmp() and/or + * u8_textprep() to represent the various normalization property + * values. + */ + static zprop_index_t normalize_table[] = { + { "none", 0 }, + { "formD", U8_TEXTPREP_NFD }, + { "formKC", U8_TEXTPREP_NFKC }, + { "formC", U8_TEXTPREP_NFC }, + { "formKD", U8_TEXTPREP_NFKD }, + { NULL } + }; + + static zprop_index_t version_table[] = { + { "1", 1 }, + { "2", 2 }, + { "3", 3 }, + { "4", 4 }, + { "5", 5 }, + { "current", ZPL_VERSION }, + { NULL } + }; + + static zprop_index_t boolean_table[] = { + { "off", 0 }, + { "on", 1 }, + { NULL } + }; + + static zprop_index_t logbias_table[] = { + { "latency", ZFS_LOGBIAS_LATENCY }, + { "throughput", ZFS_LOGBIAS_THROUGHPUT }, + { NULL } + }; + + static zprop_index_t canmount_table[] = { + { "off", ZFS_CANMOUNT_OFF }, + { "on", ZFS_CANMOUNT_ON }, + { "noauto", ZFS_CANMOUNT_NOAUTO }, + { NULL } + }; + + static zprop_index_t cache_table[] = { + { "none", ZFS_CACHE_NONE }, + { "metadata", ZFS_CACHE_METADATA }, + { "all", ZFS_CACHE_ALL }, + { NULL } + }; + + static zprop_index_t sync_table[] = { + { "standard", ZFS_SYNC_STANDARD }, + { "always", ZFS_SYNC_ALWAYS }, + { "disabled", ZFS_SYNC_DISABLED }, + { NULL } + }; + + static zprop_index_t xattr_table[] = { + { "off", ZFS_XATTR_OFF }, + { "on", ZFS_XATTR_DIR }, + { "sa", ZFS_XATTR_SA }, + { "dir", ZFS_XATTR_DIR }, + { NULL } + }; + + static zprop_index_t redundant_metadata_table[] = { + { "all", ZFS_REDUNDANT_METADATA_ALL }, + { "most", ZFS_REDUNDANT_METADATA_MOST }, + { NULL } + }; + + /* inherit index properties */ + zprop_register_index(ZFS_PROP_REDUNDANT_METADATA, "redundant_metadata", + ZFS_REDUNDANT_METADATA_ALL, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "all | most", "REDUND_MD", + redundant_metadata_table); + zprop_register_index(ZFS_PROP_SYNC, "sync", ZFS_SYNC_STANDARD, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "standard | always | disabled", "SYNC", + sync_table); + zprop_register_index(ZFS_PROP_CHECKSUM, "checksum", + ZIO_CHECKSUM_DEFAULT, PROP_INHERIT, ZFS_TYPE_FILESYSTEM | + ZFS_TYPE_VOLUME, + "on | off | fletcher2 | fletcher4 | sha256", "CHECKSUM", + checksum_table); + zprop_register_index(ZFS_PROP_DEDUP, "dedup", ZIO_CHECKSUM_OFF, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "on | off | verify | sha256[,verify]", "DEDUP", + dedup_table); + zprop_register_index(ZFS_PROP_COMPRESSION, "compression", + ZIO_COMPRESS_DEFAULT, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "on | off | lzjb | gzip | gzip-[1-9] | zle | lz4", "COMPRESS", + compress_table); + zprop_register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM, + "hidden | visible", "SNAPDIR", snapdir_table); + zprop_register_index(ZFS_PROP_SNAPDEV, "snapdev", ZFS_SNAPDEV_HIDDEN, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "hidden | visible", "SNAPDEV", snapdev_table); + zprop_register_index(ZFS_PROP_ACLTYPE, "acltype", ZFS_ACLTYPE_OFF, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, + "noacl | posixacl", "ACLTYPE", acltype_table); + zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit", + ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM, + "discard | noallow | restricted | passthrough | passthrough-x", + "ACLINHERIT", acl_inherit_table); + zprop_register_index(ZFS_PROP_COPIES, "copies", 1, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "1 | 2 | 3", "COPIES", copies_table); + zprop_register_index(ZFS_PROP_PRIMARYCACHE, "primarycache", + ZFS_CACHE_ALL, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, + "all | none | metadata", "PRIMARYCACHE", cache_table); + zprop_register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache", + ZFS_CACHE_ALL, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, + "all | none | metadata", "SECONDARYCACHE", cache_table); + zprop_register_index(ZFS_PROP_LOGBIAS, "logbias", ZFS_LOGBIAS_LATENCY, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "latency | throughput", "LOGBIAS", logbias_table); + zprop_register_index(ZFS_PROP_XATTR, "xattr", ZFS_XATTR_DIR, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, + "on | off | dir | sa", "XATTR", xattr_table); + + /* inherit index (boolean) properties */ + zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table); + zprop_register_index(ZFS_PROP_RELATIME, "relatime", 0, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM, "on | off", "RELATIME", boolean_table); + zprop_register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES", + boolean_table); + zprop_register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC", + boolean_table); + zprop_register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID", + boolean_table); + zprop_register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY", + boolean_table); + zprop_register_index(ZFS_PROP_ZONED, "zoned", 0, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM, "on | off", "ZONED", boolean_table); + zprop_register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN", boolean_table); + zprop_register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND", + boolean_table); + zprop_register_index(ZFS_PROP_OVERLAY, "overlay", 0, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM, "on | off", "OVERLAY", boolean_table); + + /* default index properties */ + zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, + "1 | 2 | 3 | 4 | 5 | current", "VERSION", version_table); + zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON, + PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto", + "CANMOUNT", canmount_table); + + /* readonly index (boolean) properties */ + zprop_register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY, + ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table); + zprop_register_index(ZFS_PROP_DEFER_DESTROY, "defer_destroy", 0, + PROP_READONLY, ZFS_TYPE_SNAPSHOT, "yes | no", "DEFER_DESTROY", + boolean_table); + + /* set once index properties */ + zprop_register_index(ZFS_PROP_NORMALIZE, "normalization", 0, + PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, + "none | formC | formD | formKC | formKD", "NORMALIZATION", + normalize_table); + zprop_register_index(ZFS_PROP_CASE, "casesensitivity", + ZFS_CASE_SENSITIVE, PROP_ONETIME, ZFS_TYPE_FILESYSTEM | + ZFS_TYPE_SNAPSHOT, + "sensitive | insensitive | mixed", "CASE", case_table); + + /* set once index (boolean) properties */ + zprop_register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, + "on | off", "UTF8ONLY", boolean_table); + + /* string properties */ + zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "", "ORIGIN"); + zprop_register_string(ZFS_PROP_CLONES, "clones", NULL, PROP_READONLY, + ZFS_TYPE_SNAPSHOT, "[,...]", "CLONES"); + zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/", + PROP_INHERIT, ZFS_TYPE_FILESYSTEM, " | legacy | none", + "MOUNTPOINT"); + zprop_register_string(ZFS_PROP_SHARENFS, "sharenfs", "off", + PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "on | off | share(1M) options", + "SHARENFS"); + zprop_register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY, + ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, + "filesystem | volume | snapshot | bookmark", "TYPE"); + zprop_register_string(ZFS_PROP_SHARESMB, "sharesmb", "off", + PROP_INHERIT, ZFS_TYPE_FILESYSTEM, + "on | off | sharemgr(1M) options", "SHARESMB"); + zprop_register_string(ZFS_PROP_MLSLABEL, "mlslabel", + ZFS_MLSLABEL_DEFAULT, PROP_INHERIT, ZFS_TYPE_DATASET, + "", "MLSLABEL"); + zprop_register_string(ZFS_PROP_SELINUX_CONTEXT, "context", + "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "", + "CONTEXT"); + zprop_register_string(ZFS_PROP_SELINUX_FSCONTEXT, "fscontext", + "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "", + "FSCONTEXT"); + zprop_register_string(ZFS_PROP_SELINUX_DEFCONTEXT, "defcontext", + "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "", + "DEFCONTEXT"); + zprop_register_string(ZFS_PROP_SELINUX_ROOTCONTEXT, "rootcontext", + "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "", + "ROOTCONTEXT"); + + /* readonly number properties */ + zprop_register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY, + ZFS_TYPE_DATASET, "", "USED"); + zprop_register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "", "AVAIL"); + zprop_register_number(ZFS_PROP_REFERENCED, "referenced", 0, + PROP_READONLY, ZFS_TYPE_DATASET, "", "REFER"); + zprop_register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0, + PROP_READONLY, ZFS_TYPE_DATASET, + "<1.00x or higher if compressed>", "RATIO"); + zprop_register_number(ZFS_PROP_REFRATIO, "refcompressratio", 0, + PROP_READONLY, ZFS_TYPE_DATASET, + "<1.00x or higher if compressed>", "REFRATIO"); + zprop_register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize", + ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME, + ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK"); + zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0, + PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "", + "USEDSNAP"); + zprop_register_number(ZFS_PROP_USEDDS, "usedbydataset", 0, + PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "", + "USEDDS"); + zprop_register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0, + PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "", + "USEDCHILD"); + zprop_register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0, + PROP_READONLY, + ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "", "USEDREFRESERV"); + zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY, + ZFS_TYPE_SNAPSHOT, "", "USERREFS"); + zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY, + ZFS_TYPE_DATASET, "", "WRITTEN"); + zprop_register_number(ZFS_PROP_LOGICALUSED, "logicalused", 0, + PROP_READONLY, ZFS_TYPE_DATASET, "", "LUSED"); + zprop_register_number(ZFS_PROP_LOGICALREFERENCED, "logicalreferenced", + 0, PROP_READONLY, ZFS_TYPE_DATASET, "", "LREFER"); + + /* default number properties */ + zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT, + ZFS_TYPE_FILESYSTEM, " | none", "QUOTA"); + zprop_register_number(ZFS_PROP_RESERVATION, "reservation", 0, + PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + " | none", "RESERV"); + zprop_register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT, + ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, "", "VOLSIZE"); + zprop_register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT, + ZFS_TYPE_FILESYSTEM, " | none", "REFQUOTA"); + zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0, + PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + " | none", "REFRESERV"); + zprop_register_number(ZFS_PROP_FILESYSTEM_LIMIT, "filesystem_limit", + UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, + " | none", "FSLIMIT"); + zprop_register_number(ZFS_PROP_SNAPSHOT_LIMIT, "snapshot_limit", + UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + " | none", "SSLIMIT"); + zprop_register_number(ZFS_PROP_FILESYSTEM_COUNT, "filesystem_count", + UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, + "", "FSCOUNT"); + zprop_register_number(ZFS_PROP_SNAPSHOT_COUNT, "snapshot_count", + UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, + "", "SSCOUNT"); + + /* inherit number properties */ + zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize", + SPA_OLD_MAXBLOCKSIZE, PROP_INHERIT, + ZFS_TYPE_FILESYSTEM, "512 to 1M, power of 2", "RECSIZE"); + + /* hidden properties */ + zprop_register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER, + PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "CREATETXG"); + zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER, + PROP_READONLY, ZFS_TYPE_SNAPSHOT, "NUMCLONES"); + zprop_register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING, + PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "NAME"); + zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions", + PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS"); + zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu", + PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, + "STMF_SBD_LU"); + zprop_register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER, + PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "GUID"); + zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting", + PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, + "USERACCOUNTING"); + zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER, + PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE"); + zprop_register_hidden(ZFS_PROP_OBJSETID, "objsetid", PROP_TYPE_NUMBER, + PROP_READONLY, ZFS_TYPE_DATASET, "OBJSETID"); + zprop_register_hidden(ZFS_PROP_INCONSISTENT, "inconsistent", + PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, "INCONSISTENT"); + + /* + * Property to be removed once libbe is integrated + */ + zprop_register_hidden(ZFS_PROP_PRIVATE, "priv_prop", + PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_FILESYSTEM, + "PRIV_PROP"); + + /* oddball properties */ + zprop_register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0, + NULL, PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, + "", "CREATION", B_FALSE, B_TRUE, NULL); +} + +boolean_t +zfs_prop_delegatable(zfs_prop_t prop) +{ + zprop_desc_t *pd = &zfs_prop_table[prop]; + + /* The mlslabel property is never delegatable. */ + if (prop == ZFS_PROP_MLSLABEL) + return (B_FALSE); + + return (pd->pd_attr != PROP_READONLY); +} + +/* + * Given a zfs dataset property name, returns the corresponding property ID. + */ +zfs_prop_t +zfs_name_to_prop(const char *propname) +{ + return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET)); +} + +/* + * For user property names, we allow all lowercase alphanumeric characters, plus + * a few useful punctuation characters. + */ +static int +valid_char(char c) +{ + return ((c >= 'a' && c <= 'z') || + (c >= '0' && c <= '9') || + c == '-' || c == '_' || c == '.' || c == ':'); +} + +/* + * Returns true if this is a valid user-defined property (one with a ':'). + */ +boolean_t +zfs_prop_user(const char *name) +{ + int i; + char c; + boolean_t foundsep = B_FALSE; + + for (i = 0; i < strlen(name); i++) { + c = name[i]; + if (!valid_char(c)) + return (B_FALSE); + if (c == ':') + foundsep = B_TRUE; + } + + if (!foundsep) + return (B_FALSE); + + return (B_TRUE); +} + +/* + * Returns true if this is a valid userspace-type property (one with a '@'). + * Note that after the @, any character is valid (eg, another @, for SID + * user@domain). + */ +boolean_t +zfs_prop_userquota(const char *name) +{ + zfs_userquota_prop_t prop; + + for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) { + if (strncmp(name, zfs_userquota_prop_prefixes[prop], + strlen(zfs_userquota_prop_prefixes[prop])) == 0) { + return (B_TRUE); + } + } + + return (B_FALSE); +} + +/* + * Returns true if this is a valid written@ property. + * Note that after the @, any character is valid (eg, another @, for + * written@pool/fs@origin). + */ +boolean_t +zfs_prop_written(const char *name) +{ + static const char *prefix = "written@"; + return (strncmp(name, prefix, strlen(prefix)) == 0); +} + +/* + * Tables of index types, plus functions to convert between the user view + * (strings) and internal representation (uint64_t). + */ +int +zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index) +{ + return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET)); +} + +int +zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string) +{ + return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET)); +} + +uint64_t +zfs_prop_random_value(zfs_prop_t prop, uint64_t seed) +{ + return (zprop_random_value(prop, seed, ZFS_TYPE_DATASET)); +} + +/* + * Returns TRUE if the property applies to any of the given dataset types. + */ +boolean_t +zfs_prop_valid_for_type(int prop, zfs_type_t types, boolean_t headcheck) +{ + return (zprop_valid_for_type(prop, types, headcheck)); +} + +zprop_type_t +zfs_prop_get_type(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_proptype); +} + +/* + * Returns TRUE if the property is readonly. + */ +boolean_t +zfs_prop_readonly(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_attr == PROP_READONLY || + zfs_prop_table[prop].pd_attr == PROP_ONETIME); +} + +/* + * Returns TRUE if the property is only allowed to be set once. + */ +boolean_t +zfs_prop_setonce(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_attr == PROP_ONETIME); +} + +const char * +zfs_prop_default_string(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_strdefault); +} + +uint64_t +zfs_prop_default_numeric(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_numdefault); +} + +/* + * Given a dataset property ID, returns the corresponding name. + * Assuming the zfs dataset property ID is valid. + */ +const char * +zfs_prop_to_name(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_name); +} + +/* + * Returns TRUE if the property is inheritable. + */ +boolean_t +zfs_prop_inheritable(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_attr == PROP_INHERIT || + zfs_prop_table[prop].pd_attr == PROP_ONETIME); +} + +#ifndef _KERNEL + +/* + * Returns a string describing the set of acceptable values for the given + * zfs property, or NULL if it cannot be set. + */ +const char * +zfs_prop_values(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_values); +} + +/* + * Returns TRUE if this property is a string type. Note that index types + * (compression, checksum) are treated as strings in userland, even though they + * are stored numerically on disk. + */ +int +zfs_prop_is_string(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING || + zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX); +} + +/* + * Returns the column header for the given property. Used only in + * 'zfs list -o', but centralized here with the other property information. + */ +const char * +zfs_prop_column_name(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_colname); +} + +/* + * Returns whether the given property should be displayed right-justified for + * 'zfs list'. + */ +boolean_t +zfs_prop_align_right(zfs_prop_t prop) +{ + return (zfs_prop_table[prop].pd_rightalign); +} + +#endif + +#if defined(_KERNEL) && defined(HAVE_SPL) +static int __init +zcommon_init(void) +{ + return (0); +} + +static void __exit +zcommon_fini(void) +{ +} + +module_init(zcommon_init); +module_exit(zcommon_fini); + +MODULE_DESCRIPTION("Generic ZFS support"); +MODULE_AUTHOR(ZFS_META_AUTHOR); +MODULE_LICENSE(ZFS_META_LICENSE); +MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); + +/* zfs dataset property functions */ +EXPORT_SYMBOL(zfs_userquota_prop_prefixes); +EXPORT_SYMBOL(zfs_prop_init); +EXPORT_SYMBOL(zfs_prop_get_type); +EXPORT_SYMBOL(zfs_prop_get_table); +EXPORT_SYMBOL(zfs_prop_delegatable); + +/* Dataset property functions shared between libzfs and kernel. */ +EXPORT_SYMBOL(zfs_prop_default_string); +EXPORT_SYMBOL(zfs_prop_default_numeric); +EXPORT_SYMBOL(zfs_prop_readonly); +EXPORT_SYMBOL(zfs_prop_inheritable); +EXPORT_SYMBOL(zfs_prop_setonce); +EXPORT_SYMBOL(zfs_prop_to_name); +EXPORT_SYMBOL(zfs_name_to_prop); +EXPORT_SYMBOL(zfs_prop_user); +EXPORT_SYMBOL(zfs_prop_userquota); +EXPORT_SYMBOL(zfs_prop_index_to_string); +EXPORT_SYMBOL(zfs_prop_string_to_index); +EXPORT_SYMBOL(zfs_prop_valid_for_type); + +#endif diff --git a/zfs/module/zcommon/zfs_uio.c b/zfs/module/zcommon/zfs_uio.c new file mode 100644 index 000000000000..f78db68e4ea6 --- /dev/null +++ b/zfs/module/zcommon/zfs_uio.c @@ -0,0 +1,257 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + +/* + * University Copyright- Copyright (c) 1982, 1986, 1988 + * The Regents of the University of California + * All Rights Reserved + * + * University Acknowledgment- Portions of this document are derived from + * software developed by the University of California, Berkeley, and its + * contributors. + */ +/* + * Copyright (c) 2015 by Chunwei Chen. All rights reserved. + */ + +/* + * The uio support from OpenSolaris has been added as a short term + * work around. The hope is to adopt native Linux type and drop the + * use of uio's entirely. Under Linux they only add overhead and + * when possible we want to use native APIs for the ZPL layer. + */ +#ifdef _KERNEL + +#include +#include +#include + +/* + * Move "n" bytes at byte address "p"; "rw" indicates the direction + * of the move, and the I/O parameters are provided in "uio", which is + * update to reflect the data which was moved. Returns 0 on success or + * a non-zero errno on failure. + */ +static int +uiomove_iov(void *p, size_t n, enum uio_rw rw, struct uio *uio) +{ + const struct iovec *iov = uio->uio_iov; + size_t skip = uio->uio_skip; + ulong_t cnt; + + while (n && uio->uio_resid) { + cnt = MIN(iov->iov_len - skip, n); + switch (uio->uio_segflg) { + case UIO_USERSPACE: + case UIO_USERISPACE: + /* + * p = kernel data pointer + * iov->iov_base = user data pointer + */ + if (rw == UIO_READ) { + if (copy_to_user(iov->iov_base+skip, p, cnt)) + return (EFAULT); + } else { + if (copy_from_user(p, iov->iov_base+skip, cnt)) + return (EFAULT); + } + break; + case UIO_SYSSPACE: + if (rw == UIO_READ) + bcopy(p, iov->iov_base + skip, cnt); + else + bcopy(iov->iov_base + skip, p, cnt); + break; + default: + ASSERT(0); + } + skip += cnt; + if (skip == iov->iov_len) { + skip = 0; + uio->uio_iov = (++iov); + uio->uio_iovcnt--; + } + uio->uio_skip = skip; + uio->uio_resid -= cnt; + uio->uio_loffset += cnt; + p = (caddr_t)p + cnt; + n -= cnt; + } + return (0); +} + +static int +uiomove_bvec(void *p, size_t n, enum uio_rw rw, struct uio *uio) +{ + const struct bio_vec *bv = uio->uio_bvec; + size_t skip = uio->uio_skip; + ulong_t cnt; + + while (n && uio->uio_resid) { + void *paddr; + cnt = MIN(bv->bv_len - skip, n); + + paddr = zfs_kmap_atomic(bv->bv_page, KM_USER1); + if (rw == UIO_READ) + bcopy(p, paddr + bv->bv_offset + skip, cnt); + else + bcopy(paddr + bv->bv_offset + skip, p, cnt); + zfs_kunmap_atomic(paddr, KM_USER1); + + skip += cnt; + if (skip == bv->bv_len) { + skip = 0; + uio->uio_bvec = (++bv); + uio->uio_iovcnt--; + } + uio->uio_skip = skip; + uio->uio_resid -= cnt; + uio->uio_loffset += cnt; + p = (caddr_t)p + cnt; + n -= cnt; + } + return (0); +} + +int +uiomove(void *p, size_t n, enum uio_rw rw, struct uio *uio) +{ + if (uio->uio_segflg != UIO_BVEC) + return (uiomove_iov(p, n, rw, uio)); + else + return (uiomove_bvec(p, n, rw, uio)); +} +EXPORT_SYMBOL(uiomove); + +#define fuword8(uptr, vptr) get_user((*vptr), (uptr)) + +/* + * Fault in the pages of the first n bytes specified by the uio structure. + * 1 byte in each page is touched and the uio struct is unmodified. Any + * error will terminate the process as this is only a best attempt to get + * the pages resident. + */ +void +uio_prefaultpages(ssize_t n, struct uio *uio) +{ + const struct iovec *iov; + ulong_t cnt, incr; + caddr_t p; + uint8_t tmp; + int iovcnt; + size_t skip = uio->uio_skip; + + /* no need to fault in kernel pages */ + switch (uio->uio_segflg) { + case UIO_SYSSPACE: + case UIO_BVEC: + return; + case UIO_USERSPACE: + case UIO_USERISPACE: + break; + default: + ASSERT(0); + } + + iov = uio->uio_iov; + iovcnt = uio->uio_iovcnt; + + while ((n > 0) && (iovcnt > 0)) { + cnt = MIN(iov->iov_len - skip, n); + n -= cnt; + /* + * touch each page in this segment. + */ + p = iov->iov_base + skip; + while (cnt) { + if (fuword8((uint8_t *) p, &tmp)) + return; + incr = MIN(cnt, PAGESIZE); + p += incr; + cnt -= incr; + } + /* + * touch the last byte in case it straddles a page. + */ + p--; + if (fuword8((uint8_t *) p, &tmp)) + return; + iov++; + iovcnt--; + skip = 0; + } +} +EXPORT_SYMBOL(uio_prefaultpages); + +/* + * same as uiomove() but doesn't modify uio structure. + * return in cbytes how many bytes were copied. + */ +int +uiocopy(void *p, size_t n, enum uio_rw rw, struct uio *uio, size_t *cbytes) +{ + struct uio uio_copy; + int ret; + + bcopy(uio, &uio_copy, sizeof (struct uio)); + ret = uiomove(p, n, rw, &uio_copy); + *cbytes = uio->uio_resid - uio_copy.uio_resid; + return (ret); +} +EXPORT_SYMBOL(uiocopy); + +/* + * Drop the next n chars out of *uiop. + */ +void +uioskip(uio_t *uiop, size_t n) +{ + if (n > uiop->uio_resid) + return; + + uiop->uio_skip += n; + if (uiop->uio_segflg != UIO_BVEC) { + while (uiop->uio_iovcnt && + uiop->uio_skip >= uiop->uio_iov->iov_len) { + uiop->uio_skip -= uiop->uio_iov->iov_len; + uiop->uio_iov++; + uiop->uio_iovcnt--; + } + } else { + while (uiop->uio_iovcnt && + uiop->uio_skip >= uiop->uio_bvec->bv_len) { + uiop->uio_skip -= uiop->uio_bvec->bv_len; + uiop->uio_bvec++; + uiop->uio_iovcnt--; + } + } + uiop->uio_loffset += n; + uiop->uio_resid -= n; +} +EXPORT_SYMBOL(uioskip); +#endif /* _KERNEL */ diff --git a/zfs/module/zcommon/zpool_prop.c b/zfs/module/zcommon/zpool_prop.c new file mode 100644 index 000000000000..910c56dcc2a9 --- /dev/null +++ b/zfs/module/zcommon/zpool_prop.c @@ -0,0 +1,260 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include + +#include "zfs_prop.h" + +#if defined(_KERNEL) +#include +#else +#include +#include +#include +#endif + +static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS]; + +zprop_desc_t * +zpool_prop_get_table(void) +{ + return (zpool_prop_table); +} + +void +zpool_prop_init(void) +{ + static zprop_index_t boolean_table[] = { + { "off", 0}, + { "on", 1}, + { NULL } + }; + + static zprop_index_t failuremode_table[] = { + { "wait", ZIO_FAILURE_MODE_WAIT }, + { "continue", ZIO_FAILURE_MODE_CONTINUE }, + { "panic", ZIO_FAILURE_MODE_PANIC }, + { NULL } + }; + + /* string properties */ + zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT, + ZFS_TYPE_POOL, "", "ALTROOT"); + zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT, + ZFS_TYPE_POOL, "", "BOOTFS"); + zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL, + PROP_DEFAULT, ZFS_TYPE_POOL, " | none", "CACHEFILE"); + zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL, + PROP_DEFAULT, ZFS_TYPE_POOL, "", "COMMENT"); + + /* readonly number properties */ + zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY, + ZFS_TYPE_POOL, "", "SIZE"); + zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY, + ZFS_TYPE_POOL, "", "FREE"); + zprop_register_number(ZPOOL_PROP_FREEING, "freeing", 0, PROP_READONLY, + ZFS_TYPE_POOL, "", "FREEING"); + zprop_register_number(ZPOOL_PROP_LEAKED, "leaked", 0, PROP_READONLY, + ZFS_TYPE_POOL, "", "LEAKED"); + zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0, + PROP_READONLY, ZFS_TYPE_POOL, "", "ALLOC"); + zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0, + PROP_READONLY, ZFS_TYPE_POOL, "", "EXPANDSZ"); + zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0, + PROP_READONLY, ZFS_TYPE_POOL, "", "FRAG"); + zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY, + ZFS_TYPE_POOL, "", "CAP"); + zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY, + ZFS_TYPE_POOL, "", "GUID"); + zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY, + ZFS_TYPE_POOL, "", "HEALTH"); + zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0, + PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>", + "DEDUP"); + + /* readonly onetime number properties */ + zprop_register_number(ZPOOL_PROP_ASHIFT, "ashift", 0, PROP_ONETIME, + ZFS_TYPE_POOL, "", "ASHIFT"); + + /* default number properties */ + zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION, + PROP_DEFAULT, ZFS_TYPE_POOL, "", "VERSION"); + zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0, + PROP_DEFAULT, ZFS_TYPE_POOL, "", "DEDUPDITTO"); + + /* default index (boolean) properties */ + zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1, + PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION", + boolean_table); + zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0, + PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table); + zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0, + PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS", + boolean_table); + zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0, + PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table); + zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0, + PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table); + + /* default index properties */ + zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode", + ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL, + "wait | continue | panic", "FAILMODE", failuremode_table); + + /* hidden properties */ + zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING, + PROP_READONLY, ZFS_TYPE_POOL, "NAME"); + zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize", + PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE"); + zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING, + PROP_ONETIME, ZFS_TYPE_POOL, "TNAME"); +} + +/* + * Given a property name and its type, returns the corresponding property ID. + */ +zpool_prop_t +zpool_name_to_prop(const char *propname) +{ + return (zprop_name_to_prop(propname, ZFS_TYPE_POOL)); +} + +/* + * Given a pool property ID, returns the corresponding name. + * Assuming the pool propety ID is valid. + */ +const char * +zpool_prop_to_name(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_name); +} + +zprop_type_t +zpool_prop_get_type(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_proptype); +} + +boolean_t +zpool_prop_readonly(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_attr == PROP_READONLY); +} + +const char * +zpool_prop_default_string(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_strdefault); +} + +uint64_t +zpool_prop_default_numeric(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_numdefault); +} + +/* + * Returns true if this is a valid feature@ property. + */ +boolean_t +zpool_prop_feature(const char *name) +{ + static const char *prefix = "feature@"; + return (strncmp(name, prefix, strlen(prefix)) == 0); +} + +/* + * Returns true if this is a valid unsupported@ property. + */ +boolean_t +zpool_prop_unsupported(const char *name) +{ + static const char *prefix = "unsupported@"; + return (strncmp(name, prefix, strlen(prefix)) == 0); +} + +int +zpool_prop_string_to_index(zpool_prop_t prop, const char *string, + uint64_t *index) +{ + return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL)); +} + +int +zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index, + const char **string) +{ + return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL)); +} + +uint64_t +zpool_prop_random_value(zpool_prop_t prop, uint64_t seed) +{ + return (zprop_random_value(prop, seed, ZFS_TYPE_POOL)); +} + +#ifndef _KERNEL + +const char * +zpool_prop_values(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_values); +} + +const char * +zpool_prop_column_name(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_colname); +} + +boolean_t +zpool_prop_align_right(zpool_prop_t prop) +{ + return (zpool_prop_table[prop].pd_rightalign); +} +#endif + +#if defined(_KERNEL) && defined(HAVE_SPL) +/* zpool property functions */ +EXPORT_SYMBOL(zpool_prop_init); +EXPORT_SYMBOL(zpool_prop_get_type); +EXPORT_SYMBOL(zpool_prop_get_table); + +/* Pool property functions shared between libzfs and kernel. */ +EXPORT_SYMBOL(zpool_name_to_prop); +EXPORT_SYMBOL(zpool_prop_to_name); +EXPORT_SYMBOL(zpool_prop_default_string); +EXPORT_SYMBOL(zpool_prop_default_numeric); +EXPORT_SYMBOL(zpool_prop_readonly); +EXPORT_SYMBOL(zpool_prop_feature); +EXPORT_SYMBOL(zpool_prop_unsupported); +EXPORT_SYMBOL(zpool_prop_index_to_string); +EXPORT_SYMBOL(zpool_prop_string_to_index); +#endif diff --git a/zfs/module/zcommon/zprop_common.c b/zfs/module/zcommon/zprop_common.c new file mode 100644 index 000000000000..b32c22657ff5 --- /dev/null +++ b/zfs/module/zcommon/zprop_common.c @@ -0,0 +1,454 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +/* + * Common routines used by zfs and zpool property management. + */ + +#include +#include +#include +#include +#include +#include + +#include "zfs_prop.h" +#include "zfs_deleg.h" + +#if defined(_KERNEL) +#include +#include +#else +#include +#include +#include +#endif + +static zprop_desc_t * +zprop_get_proptable(zfs_type_t type) +{ + if (type == ZFS_TYPE_POOL) + return (zpool_prop_get_table()); + else + return (zfs_prop_get_table()); +} + +static int +zprop_get_numprops(zfs_type_t type) +{ + if (type == ZFS_TYPE_POOL) + return (ZPOOL_NUM_PROPS); + else + return (ZFS_NUM_PROPS); +} + +void +zprop_register_impl(int prop, const char *name, zprop_type_t type, + uint64_t numdefault, const char *strdefault, zprop_attr_t attr, + int objset_types, const char *values, const char *colname, + boolean_t rightalign, boolean_t visible, const zprop_index_t *idx_tbl) +{ + zprop_desc_t *prop_tbl = zprop_get_proptable(objset_types); + zprop_desc_t *pd; + + pd = &prop_tbl[prop]; + + ASSERT(pd->pd_name == NULL || pd->pd_name == name); + ASSERT(name != NULL); + ASSERT(colname != NULL); + + pd->pd_name = name; + pd->pd_propnum = prop; + pd->pd_proptype = type; + pd->pd_numdefault = numdefault; + pd->pd_strdefault = strdefault; + pd->pd_attr = attr; + pd->pd_types = objset_types; + pd->pd_values = values; + pd->pd_colname = colname; + pd->pd_rightalign = rightalign; + pd->pd_visible = visible; + pd->pd_table = idx_tbl; + pd->pd_table_size = 0; + while (idx_tbl && (idx_tbl++)->pi_name != NULL) + pd->pd_table_size++; +} + +void +zprop_register_string(int prop, const char *name, const char *def, + zprop_attr_t attr, int objset_types, const char *values, + const char *colname) +{ + zprop_register_impl(prop, name, PROP_TYPE_STRING, 0, def, attr, + objset_types, values, colname, B_FALSE, B_TRUE, NULL); + +} + +void +zprop_register_number(int prop, const char *name, uint64_t def, + zprop_attr_t attr, int objset_types, const char *values, + const char *colname) +{ + zprop_register_impl(prop, name, PROP_TYPE_NUMBER, def, NULL, attr, + objset_types, values, colname, B_TRUE, B_TRUE, NULL); +} + +void +zprop_register_index(int prop, const char *name, uint64_t def, + zprop_attr_t attr, int objset_types, const char *values, + const char *colname, const zprop_index_t *idx_tbl) +{ + zprop_register_impl(prop, name, PROP_TYPE_INDEX, def, NULL, attr, + objset_types, values, colname, B_TRUE, B_TRUE, idx_tbl); +} + +void +zprop_register_hidden(int prop, const char *name, zprop_type_t type, + zprop_attr_t attr, int objset_types, const char *colname) +{ + zprop_register_impl(prop, name, type, 0, NULL, attr, + objset_types, NULL, colname, + type == PROP_TYPE_NUMBER, B_FALSE, NULL); +} + + +/* + * A comparison function we can use to order indexes into property tables. + */ +static int +zprop_compare(const void *arg1, const void *arg2) +{ + const zprop_desc_t *p1 = *((zprop_desc_t **)arg1); + const zprop_desc_t *p2 = *((zprop_desc_t **)arg2); + boolean_t p1ro, p2ro; + + p1ro = (p1->pd_attr == PROP_READONLY); + p2ro = (p2->pd_attr == PROP_READONLY); + + if (p1ro == p2ro) + return (strcmp(p1->pd_name, p2->pd_name)); + + return (p1ro ? -1 : 1); +} + +/* + * Iterate over all properties in the given property table, calling back + * into the specified function for each property. We will continue to + * iterate until we either reach the end or the callback function returns + * something other than ZPROP_CONT. + */ +int +zprop_iter_common(zprop_func func, void *cb, boolean_t show_all, + boolean_t ordered, zfs_type_t type) +{ + int i, j, num_props, size, prop; + zprop_desc_t *prop_tbl; + zprop_desc_t **order; + + prop_tbl = zprop_get_proptable(type); + num_props = zprop_get_numprops(type); + size = num_props * sizeof (zprop_desc_t *); + +#if defined(_KERNEL) + order = kmem_alloc(size, KM_SLEEP); +#else + if ((order = malloc(size)) == NULL) + return (ZPROP_CONT); +#endif + + for (j = 0; j < num_props; j++) + order[j] = &prop_tbl[j]; + + if (ordered) { + qsort((void *)order, num_props, sizeof (zprop_desc_t *), + zprop_compare); + } + + prop = ZPROP_CONT; + for (i = 0; i < num_props; i++) { + if ((order[i]->pd_visible || show_all) && + (func(order[i]->pd_propnum, cb) != ZPROP_CONT)) { + prop = order[i]->pd_propnum; + break; + } + } + +#if defined(_KERNEL) + kmem_free(order, size); +#else + free(order); +#endif + return (prop); +} + +static boolean_t +propname_match(const char *p, size_t len, zprop_desc_t *prop_entry) +{ + const char *propname = prop_entry->pd_name; +#ifndef _KERNEL + const char *colname = prop_entry->pd_colname; + int c; +#endif + + if (len == strlen(propname) && + strncmp(p, propname, len) == 0) + return (B_TRUE); + +#ifndef _KERNEL + if (colname == NULL || len != strlen(colname)) + return (B_FALSE); + + for (c = 0; c < len; c++) + if (p[c] != tolower(colname[c])) + break; + + return (colname[c] == '\0'); +#else + return (B_FALSE); +#endif +} + +typedef struct name_to_prop_cb { + const char *propname; + zprop_desc_t *prop_tbl; +} name_to_prop_cb_t; + +static int +zprop_name_to_prop_cb(int prop, void *cb_data) +{ + name_to_prop_cb_t *data = cb_data; + + if (propname_match(data->propname, strlen(data->propname), + &data->prop_tbl[prop])) + return (prop); + + return (ZPROP_CONT); +} + +int +zprop_name_to_prop(const char *propname, zfs_type_t type) +{ + int prop; + name_to_prop_cb_t cb_data; + + cb_data.propname = propname; + cb_data.prop_tbl = zprop_get_proptable(type); + + prop = zprop_iter_common(zprop_name_to_prop_cb, &cb_data, + B_TRUE, B_FALSE, type); + + return (prop == ZPROP_CONT ? ZPROP_INVAL : prop); +} + +int +zprop_string_to_index(int prop, const char *string, uint64_t *index, + zfs_type_t type) +{ + zprop_desc_t *prop_tbl; + const zprop_index_t *idx_tbl; + int i; + + if (prop == ZPROP_INVAL || prop == ZPROP_CONT) + return (-1); + + ASSERT(prop < zprop_get_numprops(type)); + prop_tbl = zprop_get_proptable(type); + if ((idx_tbl = prop_tbl[prop].pd_table) == NULL) + return (-1); + + for (i = 0; idx_tbl[i].pi_name != NULL; i++) { + if (strcmp(string, idx_tbl[i].pi_name) == 0) { + *index = idx_tbl[i].pi_value; + return (0); + } + } + + return (-1); +} + +int +zprop_index_to_string(int prop, uint64_t index, const char **string, + zfs_type_t type) +{ + zprop_desc_t *prop_tbl; + const zprop_index_t *idx_tbl; + int i; + + if (prop == ZPROP_INVAL || prop == ZPROP_CONT) + return (-1); + + ASSERT(prop < zprop_get_numprops(type)); + prop_tbl = zprop_get_proptable(type); + if ((idx_tbl = prop_tbl[prop].pd_table) == NULL) + return (-1); + + for (i = 0; idx_tbl[i].pi_name != NULL; i++) { + if (idx_tbl[i].pi_value == index) { + *string = idx_tbl[i].pi_name; + return (0); + } + } + + return (-1); +} + +/* + * Return a random valid property value. Used by ztest. + */ +uint64_t +zprop_random_value(int prop, uint64_t seed, zfs_type_t type) +{ + zprop_desc_t *prop_tbl; + const zprop_index_t *idx_tbl; + + ASSERT((uint_t)prop < zprop_get_numprops(type)); + prop_tbl = zprop_get_proptable(type); + idx_tbl = prop_tbl[prop].pd_table; + + if (idx_tbl == NULL) + return (seed); + + return (idx_tbl[seed % prop_tbl[prop].pd_table_size].pi_value); +} + +const char * +zprop_values(int prop, zfs_type_t type) +{ + zprop_desc_t *prop_tbl; + + ASSERT(prop != ZPROP_INVAL && prop != ZPROP_CONT); + ASSERT(prop < zprop_get_numprops(type)); + + prop_tbl = zprop_get_proptable(type); + + return (prop_tbl[prop].pd_values); +} + +/* + * Returns TRUE if the property applies to any of the given dataset types. + * + * If headcheck is set, the check is being made against the head dataset + * type of a snapshot which requires to return B_TRUE when the property + * is only valid for snapshots. + */ +boolean_t +zprop_valid_for_type(int prop, zfs_type_t type, boolean_t headcheck) +{ + zprop_desc_t *prop_tbl; + + if (prop == ZPROP_INVAL || prop == ZPROP_CONT) + return (B_FALSE); + + ASSERT(prop < zprop_get_numprops(type)); + prop_tbl = zprop_get_proptable(type); + if (headcheck && prop_tbl[prop].pd_types == ZFS_TYPE_SNAPSHOT) + return (B_TRUE); + return ((prop_tbl[prop].pd_types & type) != 0); +} + +#ifndef _KERNEL + +/* + * Determines the minimum width for the column, and indicates whether it's fixed + * or not. Only string columns are non-fixed. + */ +size_t +zprop_width(int prop, boolean_t *fixed, zfs_type_t type) +{ + zprop_desc_t *prop_tbl, *pd; + const zprop_index_t *idx; + size_t ret; + int i; + + ASSERT(prop != ZPROP_INVAL && prop != ZPROP_CONT); + ASSERT(prop < zprop_get_numprops(type)); + + prop_tbl = zprop_get_proptable(type); + pd = &prop_tbl[prop]; + + *fixed = B_TRUE; + + /* + * Start with the width of the column name. + */ + ret = strlen(pd->pd_colname); + + /* + * For fixed-width values, make sure the width is large enough to hold + * any possible value. + */ + switch (pd->pd_proptype) { + case PROP_TYPE_NUMBER: + /* + * The maximum length of a human-readable number is 5 characters + * ("20.4M", for example). + */ + if (ret < 5) + ret = 5; + /* + * 'creation' is handled specially because it's a number + * internally, but displayed as a date string. + */ + if (prop == ZFS_PROP_CREATION) + *fixed = B_FALSE; + break; + case PROP_TYPE_INDEX: + idx = prop_tbl[prop].pd_table; + for (i = 0; idx[i].pi_name != NULL; i++) { + if (strlen(idx[i].pi_name) > ret) + ret = strlen(idx[i].pi_name); + } + break; + + case PROP_TYPE_STRING: + *fixed = B_FALSE; + break; + } + + return (ret); +} + +#endif + +#if defined(_KERNEL) && defined(HAVE_SPL) +/* Common routines to initialize property tables */ +EXPORT_SYMBOL(zprop_register_impl); +EXPORT_SYMBOL(zprop_register_string); +EXPORT_SYMBOL(zprop_register_number); +EXPORT_SYMBOL(zprop_register_index); +EXPORT_SYMBOL(zprop_register_hidden); + +/* Common routines for zfs and zpool property management */ +EXPORT_SYMBOL(zprop_iter_common); +EXPORT_SYMBOL(zprop_name_to_prop); +EXPORT_SYMBOL(zprop_string_to_index); +EXPORT_SYMBOL(zprop_index_to_string); +EXPORT_SYMBOL(zprop_random_value); +EXPORT_SYMBOL(zprop_values); +EXPORT_SYMBOL(zprop_valid_for_type); +#endif diff --git a/zfs/module/zfs/Makefile.in b/zfs/module/zfs/Makefile.in new file mode 100644 index 000000000000..55f8cef16b6d --- /dev/null +++ b/zfs/module/zfs/Makefile.in @@ -0,0 +1,108 @@ +src = @abs_top_srcdir@/module/zfs +obj = @abs_builddir@ + +MODULE := zfs + +EXTRA_CFLAGS = $(ZFS_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +obj-$(CONFIG_ZFS) := $(MODULE).o + +$(MODULE)-objs += arc.o +$(MODULE)-objs += blkptr.o +$(MODULE)-objs += bplist.o +$(MODULE)-objs += bpobj.o +$(MODULE)-objs += dbuf.o +$(MODULE)-objs += dbuf_stats.o +$(MODULE)-objs += bptree.o +$(MODULE)-objs += ddt.o +$(MODULE)-objs += ddt_zap.o +$(MODULE)-objs += dmu.o +$(MODULE)-objs += dmu_diff.o +$(MODULE)-objs += dmu_object.o +$(MODULE)-objs += dmu_objset.o +$(MODULE)-objs += dmu_send.o +$(MODULE)-objs += dmu_traverse.o +$(MODULE)-objs += dmu_tx.o +$(MODULE)-objs += dmu_zfetch.o +$(MODULE)-objs += dnode.o +$(MODULE)-objs += dnode_sync.o +$(MODULE)-objs += dsl_dataset.o +$(MODULE)-objs += dsl_deadlist.o +$(MODULE)-objs += dsl_deleg.o +$(MODULE)-objs += dsl_bookmark.o +$(MODULE)-objs += dsl_dir.o +$(MODULE)-objs += dsl_pool.o +$(MODULE)-objs += dsl_prop.o +$(MODULE)-objs += dsl_scan.o +$(MODULE)-objs += dsl_synctask.o +$(MODULE)-objs += fm.o +$(MODULE)-objs += gzip.o +$(MODULE)-objs += lzjb.o +$(MODULE)-objs += lz4.o +$(MODULE)-objs += metaslab.o +$(MODULE)-objs += multilist.o +$(MODULE)-objs += range_tree.o +$(MODULE)-objs += refcount.o +$(MODULE)-objs += rrwlock.o +$(MODULE)-objs += sa.o +$(MODULE)-objs += sha256.o +$(MODULE)-objs += spa.o +$(MODULE)-objs += spa_boot.o +$(MODULE)-objs += spa_config.o +$(MODULE)-objs += spa_errlog.o +$(MODULE)-objs += spa_history.o +$(MODULE)-objs += spa_misc.o +$(MODULE)-objs += spa_stats.o +$(MODULE)-objs += space_map.o +$(MODULE)-objs += space_reftree.o +$(MODULE)-objs += txg.o +$(MODULE)-objs += trace.o +$(MODULE)-objs += uberblock.o +$(MODULE)-objs += unique.o +$(MODULE)-objs += vdev.o +$(MODULE)-objs += vdev_cache.o +$(MODULE)-objs += vdev_disk.o +$(MODULE)-objs += vdev_file.o +$(MODULE)-objs += vdev_label.o +$(MODULE)-objs += vdev_mirror.o +$(MODULE)-objs += vdev_missing.o +$(MODULE)-objs += vdev_queue.o +$(MODULE)-objs += vdev_raidz.o +$(MODULE)-objs += vdev_root.o +$(MODULE)-objs += zap.o +$(MODULE)-objs += zap_leaf.o +$(MODULE)-objs += zap_micro.o +$(MODULE)-objs += zfeature.o +$(MODULE)-objs += zfeature_common.o +$(MODULE)-objs += zfs_acl.o +$(MODULE)-objs += zfs_byteswap.o +$(MODULE)-objs += zfs_ctldir.o +$(MODULE)-objs += zfs_debug.o +$(MODULE)-objs += zfs_dir.o +$(MODULE)-objs += zfs_fm.o +$(MODULE)-objs += zfs_fuid.o +$(MODULE)-objs += zfs_ioctl.o +$(MODULE)-objs += zfs_log.o +$(MODULE)-objs += zfs_onexit.o +$(MODULE)-objs += zfs_replay.o +$(MODULE)-objs += zfs_rlock.o +$(MODULE)-objs += zfs_sa.o +$(MODULE)-objs += zfs_vfsops.o +$(MODULE)-objs += zfs_vnops.o +$(MODULE)-objs += zfs_znode.o +$(MODULE)-objs += zil.o +$(MODULE)-objs += zio.o +$(MODULE)-objs += zio_checksum.o +$(MODULE)-objs += zio_compress.o +$(MODULE)-objs += zio_inject.o +$(MODULE)-objs += zle.o +$(MODULE)-objs += zpl_ctldir.o +$(MODULE)-objs += zpl_export.o +$(MODULE)-objs += zpl_file.o +$(MODULE)-objs += zpl_inode.o +$(MODULE)-objs += zpl_super.o +$(MODULE)-objs += zpl_xattr.o +$(MODULE)-objs += zrlock.o +$(MODULE)-objs += zvol.o +$(MODULE)-objs += dsl_destroy.o +$(MODULE)-objs += dsl_userhold.o diff --git a/zfs/module/zfs/arc.c b/zfs/module/zfs/arc.c new file mode 100644 index 000000000000..04fde6c16789 --- /dev/null +++ b/zfs/module/zfs/arc.c @@ -0,0 +1,7092 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + * Copyright (c) 2014 by Saso Kiselkov. All rights reserved. + * Copyright 2014 Nexenta Systems, Inc. All rights reserved. + */ + +/* + * DVA-based Adjustable Replacement Cache + * + * While much of the theory of operation used here is + * based on the self-tuning, low overhead replacement cache + * presented by Megiddo and Modha at FAST 2003, there are some + * significant differences: + * + * 1. The Megiddo and Modha model assumes any page is evictable. + * Pages in its cache cannot be "locked" into memory. This makes + * the eviction algorithm simple: evict the last page in the list. + * This also make the performance characteristics easy to reason + * about. Our cache is not so simple. At any given moment, some + * subset of the blocks in the cache are un-evictable because we + * have handed out a reference to them. Blocks are only evictable + * when there are no external references active. This makes + * eviction far more problematic: we choose to evict the evictable + * blocks that are the "lowest" in the list. + * + * There are times when it is not possible to evict the requested + * space. In these circumstances we are unable to adjust the cache + * size. To prevent the cache growing unbounded at these times we + * implement a "cache throttle" that slows the flow of new data + * into the cache until we can make space available. + * + * 2. The Megiddo and Modha model assumes a fixed cache size. + * Pages are evicted when the cache is full and there is a cache + * miss. Our model has a variable sized cache. It grows with + * high use, but also tries to react to memory pressure from the + * operating system: decreasing its size when system memory is + * tight. + * + * 3. The Megiddo and Modha model assumes a fixed page size. All + * elements of the cache are therefore exactly the same size. So + * when adjusting the cache size following a cache miss, its simply + * a matter of choosing a single page to evict. In our model, we + * have variable sized cache blocks (rangeing from 512 bytes to + * 128K bytes). We therefore choose a set of blocks to evict to make + * space for a cache miss that approximates as closely as possible + * the space used by the new block. + * + * See also: "ARC: A Self-Tuning, Low Overhead Replacement Cache" + * by N. Megiddo & D. Modha, FAST 2003 + */ + +/* + * The locking model: + * + * A new reference to a cache buffer can be obtained in two + * ways: 1) via a hash table lookup using the DVA as a key, + * or 2) via one of the ARC lists. The arc_read() interface + * uses method 1, while the internal arc algorithms for + * adjusting the cache use method 2. We therefore provide two + * types of locks: 1) the hash table lock array, and 2) the + * arc list locks. + * + * Buffers do not have their own mutexes, rather they rely on the + * hash table mutexes for the bulk of their protection (i.e. most + * fields in the arc_buf_hdr_t are protected by these mutexes). + * + * buf_hash_find() returns the appropriate mutex (held) when it + * locates the requested buffer in the hash table. It returns + * NULL for the mutex if the buffer was not in the table. + * + * buf_hash_remove() expects the appropriate hash mutex to be + * already held before it is invoked. + * + * Each arc state also has a mutex which is used to protect the + * buffer list associated with the state. When attempting to + * obtain a hash table lock while holding an arc list lock you + * must use: mutex_tryenter() to avoid deadlock. Also note that + * the active state mutex must be held before the ghost state mutex. + * + * Arc buffers may have an associated eviction callback function. + * This function will be invoked prior to removing the buffer (e.g. + * in arc_do_user_evicts()). Note however that the data associated + * with the buffer may be evicted prior to the callback. The callback + * must be made with *no locks held* (to prevent deadlock). Additionally, + * the users of callbacks must ensure that their private data is + * protected from simultaneous callbacks from arc_clear_callback() + * and arc_do_user_evicts(). + * + * It as also possible to register a callback which is run when the + * arc_meta_limit is reached and no buffers can be safely evicted. In + * this case the arc user should drop a reference on some arc buffers so + * they can be reclaimed and the arc_meta_limit honored. For example, + * when using the ZPL each dentry holds a references on a znode. These + * dentries must be pruned before the arc buffer holding the znode can + * be safely evicted. + * + * Note that the majority of the performance stats are manipulated + * with atomic operations. + * + * The L2ARC uses the l2ad_mtx on each vdev for the following: + * + * - L2ARC buflist creation + * - L2ARC buflist eviction + * - L2ARC write completion, which walks L2ARC buflists + * - ARC header destruction, as it removes from L2ARC buflists + * - ARC header release, as it removes from L2ARC buflists + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef _KERNEL +#include +#include +#include +#include +#include +#endif +#include +#include +#include +#include +#include +#include + +#ifndef _KERNEL +/* set with ZFS_DEBUG=watch, to enable watchpoints on frozen buffers */ +boolean_t arc_watch = B_FALSE; +#endif + +static kmutex_t arc_reclaim_lock; +static kcondvar_t arc_reclaim_thread_cv; +static boolean_t arc_reclaim_thread_exit; +static kcondvar_t arc_reclaim_waiters_cv; + +static kmutex_t arc_user_evicts_lock; +static kcondvar_t arc_user_evicts_cv; +static boolean_t arc_user_evicts_thread_exit; + +/* + * The number of headers to evict in arc_evict_state_impl() before + * dropping the sublist lock and evicting from another sublist. A lower + * value means we're more likely to evict the "correct" header (i.e. the + * oldest header in the arc state), but comes with higher overhead + * (i.e. more invocations of arc_evict_state_impl()). + */ +int zfs_arc_evict_batch_limit = 10; + +/* + * The number of sublists used for each of the arc state lists. If this + * is not set to a suitable value by the user, it will be configured to + * the number of CPUs on the system in arc_init(). + */ +int zfs_arc_num_sublists_per_state = 0; + +/* number of seconds before growing cache again */ +static int arc_grow_retry = 5; + +/* shift of arc_c for calculating overflow limit in arc_get_data_buf */ +int zfs_arc_overflow_shift = 8; + +/* shift of arc_c for calculating both min and max arc_p */ +static int arc_p_min_shift = 4; + +/* log2(fraction of arc to reclaim) */ +static int arc_shrink_shift = 7; + +/* + * log2(fraction of ARC which must be free to allow growing). + * I.e. If there is less than arc_c >> arc_no_grow_shift free memory, + * when reading a new block into the ARC, we will evict an equal-sized block + * from the ARC. + * + * This must be less than arc_shrink_shift, so that when we shrink the ARC, + * we will still not allow it to grow. + */ +int arc_no_grow_shift = 5; + + +/* + * minimum lifespan of a prefetch block in clock ticks + * (initialized in arc_init()) + */ +static int arc_min_prefetch_lifespan; + +/* + * If this percent of memory is free, don't throttle. + */ +int arc_lotsfree_percent = 10; + +static int arc_dead; + +/* + * The arc has filled available memory and has now warmed up. + */ +static boolean_t arc_warm; + +/* + * These tunables are for performance analysis. + */ +unsigned long zfs_arc_max = 0; +unsigned long zfs_arc_min = 0; +unsigned long zfs_arc_meta_limit = 0; +unsigned long zfs_arc_meta_min = 0; +int zfs_arc_grow_retry = 0; +int zfs_arc_shrink_shift = 0; +int zfs_arc_p_min_shift = 0; +int zfs_disable_dup_eviction = 0; +int zfs_arc_average_blocksize = 8 * 1024; /* 8KB */ + +/* + * These tunables are Linux specific + */ +unsigned long zfs_arc_sys_free = 0; +int zfs_arc_min_prefetch_lifespan = 0; +int zfs_arc_p_aggressive_disable = 1; +int zfs_arc_p_dampener_disable = 1; +int zfs_arc_meta_prune = 10000; +int zfs_arc_meta_strategy = ARC_STRATEGY_META_BALANCED; +int zfs_arc_meta_adjust_restarts = 4096; +int zfs_arc_lotsfree_percent = 10; + +/* The 6 states: */ +static arc_state_t ARC_anon; +static arc_state_t ARC_mru; +static arc_state_t ARC_mru_ghost; +static arc_state_t ARC_mfu; +static arc_state_t ARC_mfu_ghost; +static arc_state_t ARC_l2c_only; + +typedef struct arc_stats { + kstat_named_t arcstat_hits; + kstat_named_t arcstat_misses; + kstat_named_t arcstat_demand_data_hits; + kstat_named_t arcstat_demand_data_misses; + kstat_named_t arcstat_demand_metadata_hits; + kstat_named_t arcstat_demand_metadata_misses; + kstat_named_t arcstat_prefetch_data_hits; + kstat_named_t arcstat_prefetch_data_misses; + kstat_named_t arcstat_prefetch_metadata_hits; + kstat_named_t arcstat_prefetch_metadata_misses; + kstat_named_t arcstat_mru_hits; + kstat_named_t arcstat_mru_ghost_hits; + kstat_named_t arcstat_mfu_hits; + kstat_named_t arcstat_mfu_ghost_hits; + kstat_named_t arcstat_deleted; + /* + * Number of buffers that could not be evicted because the hash lock + * was held by another thread. The lock may not necessarily be held + * by something using the same buffer, since hash locks are shared + * by multiple buffers. + */ + kstat_named_t arcstat_mutex_miss; + /* + * Number of buffers skipped because they have I/O in progress, are + * indrect prefetch buffers that have not lived long enough, or are + * not from the spa we're trying to evict from. + */ + kstat_named_t arcstat_evict_skip; + /* + * Number of times arc_evict_state() was unable to evict enough + * buffers to reach its target amount. + */ + kstat_named_t arcstat_evict_not_enough; + kstat_named_t arcstat_evict_l2_cached; + kstat_named_t arcstat_evict_l2_eligible; + kstat_named_t arcstat_evict_l2_ineligible; + kstat_named_t arcstat_evict_l2_skip; + kstat_named_t arcstat_hash_elements; + kstat_named_t arcstat_hash_elements_max; + kstat_named_t arcstat_hash_collisions; + kstat_named_t arcstat_hash_chains; + kstat_named_t arcstat_hash_chain_max; + kstat_named_t arcstat_p; + kstat_named_t arcstat_c; + kstat_named_t arcstat_c_min; + kstat_named_t arcstat_c_max; + kstat_named_t arcstat_size; + /* + * Number of bytes consumed by internal ARC structures necessary + * for tracking purposes; these structures are not actually + * backed by ARC buffers. This includes arc_buf_hdr_t structures + * (allocated via arc_buf_hdr_t_full and arc_buf_hdr_t_l2only + * caches), and arc_buf_t structures (allocated via arc_buf_t + * cache). + */ + kstat_named_t arcstat_hdr_size; + /* + * Number of bytes consumed by ARC buffers of type equal to + * ARC_BUFC_DATA. This is generally consumed by buffers backing + * on disk user data (e.g. plain file contents). + */ + kstat_named_t arcstat_data_size; + /* + * Number of bytes consumed by ARC buffers of type equal to + * ARC_BUFC_METADATA. This is generally consumed by buffers + * backing on disk data that is used for internal ZFS + * structures (e.g. ZAP, dnode, indirect blocks, etc). + */ + kstat_named_t arcstat_metadata_size; + /* + * Number of bytes consumed by various buffers and structures + * not actually backed with ARC buffers. This includes bonus + * buffers (allocated directly via zio_buf_* functions), + * dmu_buf_impl_t structures (allocated via dmu_buf_impl_t + * cache), and dnode_t structures (allocated via dnode_t cache). + */ + kstat_named_t arcstat_other_size; + /* + * Total number of bytes consumed by ARC buffers residing in the + * arc_anon state. This includes *all* buffers in the arc_anon + * state; e.g. data, metadata, evictable, and unevictable buffers + * are all included in this value. + */ + kstat_named_t arcstat_anon_size; + /* + * Number of bytes consumed by ARC buffers that meet the + * following criteria: backing buffers of type ARC_BUFC_DATA, + * residing in the arc_anon state, and are eligible for eviction + * (e.g. have no outstanding holds on the buffer). + */ + kstat_named_t arcstat_anon_evictable_data; + /* + * Number of bytes consumed by ARC buffers that meet the + * following criteria: backing buffers of type ARC_BUFC_METADATA, + * residing in the arc_anon state, and are eligible for eviction + * (e.g. have no outstanding holds on the buffer). + */ + kstat_named_t arcstat_anon_evictable_metadata; + /* + * Total number of bytes consumed by ARC buffers residing in the + * arc_mru state. This includes *all* buffers in the arc_mru + * state; e.g. data, metadata, evictable, and unevictable buffers + * are all included in this value. + */ + kstat_named_t arcstat_mru_size; + /* + * Number of bytes consumed by ARC buffers that meet the + * following criteria: backing buffers of type ARC_BUFC_DATA, + * residing in the arc_mru state, and are eligible for eviction + * (e.g. have no outstanding holds on the buffer). + */ + kstat_named_t arcstat_mru_evictable_data; + /* + * Number of bytes consumed by ARC buffers that meet the + * following criteria: backing buffers of type ARC_BUFC_METADATA, + * residing in the arc_mru state, and are eligible for eviction + * (e.g. have no outstanding holds on the buffer). + */ + kstat_named_t arcstat_mru_evictable_metadata; + /* + * Total number of bytes that *would have been* consumed by ARC + * buffers in the arc_mru_ghost state. The key thing to note + * here, is the fact that this size doesn't actually indicate + * RAM consumption. The ghost lists only consist of headers and + * don't actually have ARC buffers linked off of these headers. + * Thus, *if* the headers had associated ARC buffers, these + * buffers *would have* consumed this number of bytes. + */ + kstat_named_t arcstat_mru_ghost_size; + /* + * Number of bytes that *would have been* consumed by ARC + * buffers that are eligible for eviction, of type + * ARC_BUFC_DATA, and linked off the arc_mru_ghost state. + */ + kstat_named_t arcstat_mru_ghost_evictable_data; + /* + * Number of bytes that *would have been* consumed by ARC + * buffers that are eligible for eviction, of type + * ARC_BUFC_METADATA, and linked off the arc_mru_ghost state. + */ + kstat_named_t arcstat_mru_ghost_evictable_metadata; + /* + * Total number of bytes consumed by ARC buffers residing in the + * arc_mfu state. This includes *all* buffers in the arc_mfu + * state; e.g. data, metadata, evictable, and unevictable buffers + * are all included in this value. + */ + kstat_named_t arcstat_mfu_size; + /* + * Number of bytes consumed by ARC buffers that are eligible for + * eviction, of type ARC_BUFC_DATA, and reside in the arc_mfu + * state. + */ + kstat_named_t arcstat_mfu_evictable_data; + /* + * Number of bytes consumed by ARC buffers that are eligible for + * eviction, of type ARC_BUFC_METADATA, and reside in the + * arc_mfu state. + */ + kstat_named_t arcstat_mfu_evictable_metadata; + /* + * Total number of bytes that *would have been* consumed by ARC + * buffers in the arc_mfu_ghost state. See the comment above + * arcstat_mru_ghost_size for more details. + */ + kstat_named_t arcstat_mfu_ghost_size; + /* + * Number of bytes that *would have been* consumed by ARC + * buffers that are eligible for eviction, of type + * ARC_BUFC_DATA, and linked off the arc_mfu_ghost state. + */ + kstat_named_t arcstat_mfu_ghost_evictable_data; + /* + * Number of bytes that *would have been* consumed by ARC + * buffers that are eligible for eviction, of type + * ARC_BUFC_METADATA, and linked off the arc_mru_ghost state. + */ + kstat_named_t arcstat_mfu_ghost_evictable_metadata; + kstat_named_t arcstat_l2_hits; + kstat_named_t arcstat_l2_misses; + kstat_named_t arcstat_l2_feeds; + kstat_named_t arcstat_l2_rw_clash; + kstat_named_t arcstat_l2_read_bytes; + kstat_named_t arcstat_l2_write_bytes; + kstat_named_t arcstat_l2_writes_sent; + kstat_named_t arcstat_l2_writes_done; + kstat_named_t arcstat_l2_writes_error; + kstat_named_t arcstat_l2_writes_lock_retry; + kstat_named_t arcstat_l2_evict_lock_retry; + kstat_named_t arcstat_l2_evict_reading; + kstat_named_t arcstat_l2_evict_l1cached; + kstat_named_t arcstat_l2_free_on_write; + kstat_named_t arcstat_l2_cdata_free_on_write; + kstat_named_t arcstat_l2_abort_lowmem; + kstat_named_t arcstat_l2_cksum_bad; + kstat_named_t arcstat_l2_io_error; + kstat_named_t arcstat_l2_size; + kstat_named_t arcstat_l2_asize; + kstat_named_t arcstat_l2_hdr_size; + kstat_named_t arcstat_l2_compress_successes; + kstat_named_t arcstat_l2_compress_zeros; + kstat_named_t arcstat_l2_compress_failures; + kstat_named_t arcstat_memory_throttle_count; + kstat_named_t arcstat_duplicate_buffers; + kstat_named_t arcstat_duplicate_buffers_size; + kstat_named_t arcstat_duplicate_reads; + kstat_named_t arcstat_memory_direct_count; + kstat_named_t arcstat_memory_indirect_count; + kstat_named_t arcstat_no_grow; + kstat_named_t arcstat_tempreserve; + kstat_named_t arcstat_loaned_bytes; + kstat_named_t arcstat_prune; + kstat_named_t arcstat_meta_used; + kstat_named_t arcstat_meta_limit; + kstat_named_t arcstat_meta_max; + kstat_named_t arcstat_meta_min; + kstat_named_t arcstat_need_free; + kstat_named_t arcstat_sys_free; +} arc_stats_t; + +static arc_stats_t arc_stats = { + { "hits", KSTAT_DATA_UINT64 }, + { "misses", KSTAT_DATA_UINT64 }, + { "demand_data_hits", KSTAT_DATA_UINT64 }, + { "demand_data_misses", KSTAT_DATA_UINT64 }, + { "demand_metadata_hits", KSTAT_DATA_UINT64 }, + { "demand_metadata_misses", KSTAT_DATA_UINT64 }, + { "prefetch_data_hits", KSTAT_DATA_UINT64 }, + { "prefetch_data_misses", KSTAT_DATA_UINT64 }, + { "prefetch_metadata_hits", KSTAT_DATA_UINT64 }, + { "prefetch_metadata_misses", KSTAT_DATA_UINT64 }, + { "mru_hits", KSTAT_DATA_UINT64 }, + { "mru_ghost_hits", KSTAT_DATA_UINT64 }, + { "mfu_hits", KSTAT_DATA_UINT64 }, + { "mfu_ghost_hits", KSTAT_DATA_UINT64 }, + { "deleted", KSTAT_DATA_UINT64 }, + { "mutex_miss", KSTAT_DATA_UINT64 }, + { "evict_skip", KSTAT_DATA_UINT64 }, + { "evict_not_enough", KSTAT_DATA_UINT64 }, + { "evict_l2_cached", KSTAT_DATA_UINT64 }, + { "evict_l2_eligible", KSTAT_DATA_UINT64 }, + { "evict_l2_ineligible", KSTAT_DATA_UINT64 }, + { "evict_l2_skip", KSTAT_DATA_UINT64 }, + { "hash_elements", KSTAT_DATA_UINT64 }, + { "hash_elements_max", KSTAT_DATA_UINT64 }, + { "hash_collisions", KSTAT_DATA_UINT64 }, + { "hash_chains", KSTAT_DATA_UINT64 }, + { "hash_chain_max", KSTAT_DATA_UINT64 }, + { "p", KSTAT_DATA_UINT64 }, + { "c", KSTAT_DATA_UINT64 }, + { "c_min", KSTAT_DATA_UINT64 }, + { "c_max", KSTAT_DATA_UINT64 }, + { "size", KSTAT_DATA_UINT64 }, + { "hdr_size", KSTAT_DATA_UINT64 }, + { "data_size", KSTAT_DATA_UINT64 }, + { "metadata_size", KSTAT_DATA_UINT64 }, + { "other_size", KSTAT_DATA_UINT64 }, + { "anon_size", KSTAT_DATA_UINT64 }, + { "anon_evictable_data", KSTAT_DATA_UINT64 }, + { "anon_evictable_metadata", KSTAT_DATA_UINT64 }, + { "mru_size", KSTAT_DATA_UINT64 }, + { "mru_evictable_data", KSTAT_DATA_UINT64 }, + { "mru_evictable_metadata", KSTAT_DATA_UINT64 }, + { "mru_ghost_size", KSTAT_DATA_UINT64 }, + { "mru_ghost_evictable_data", KSTAT_DATA_UINT64 }, + { "mru_ghost_evictable_metadata", KSTAT_DATA_UINT64 }, + { "mfu_size", KSTAT_DATA_UINT64 }, + { "mfu_evictable_data", KSTAT_DATA_UINT64 }, + { "mfu_evictable_metadata", KSTAT_DATA_UINT64 }, + { "mfu_ghost_size", KSTAT_DATA_UINT64 }, + { "mfu_ghost_evictable_data", KSTAT_DATA_UINT64 }, + { "mfu_ghost_evictable_metadata", KSTAT_DATA_UINT64 }, + { "l2_hits", KSTAT_DATA_UINT64 }, + { "l2_misses", KSTAT_DATA_UINT64 }, + { "l2_feeds", KSTAT_DATA_UINT64 }, + { "l2_rw_clash", KSTAT_DATA_UINT64 }, + { "l2_read_bytes", KSTAT_DATA_UINT64 }, + { "l2_write_bytes", KSTAT_DATA_UINT64 }, + { "l2_writes_sent", KSTAT_DATA_UINT64 }, + { "l2_writes_done", KSTAT_DATA_UINT64 }, + { "l2_writes_error", KSTAT_DATA_UINT64 }, + { "l2_writes_lock_retry", KSTAT_DATA_UINT64 }, + { "l2_evict_lock_retry", KSTAT_DATA_UINT64 }, + { "l2_evict_reading", KSTAT_DATA_UINT64 }, + { "l2_evict_l1cached", KSTAT_DATA_UINT64 }, + { "l2_free_on_write", KSTAT_DATA_UINT64 }, + { "l2_cdata_free_on_write", KSTAT_DATA_UINT64 }, + { "l2_abort_lowmem", KSTAT_DATA_UINT64 }, + { "l2_cksum_bad", KSTAT_DATA_UINT64 }, + { "l2_io_error", KSTAT_DATA_UINT64 }, + { "l2_size", KSTAT_DATA_UINT64 }, + { "l2_asize", KSTAT_DATA_UINT64 }, + { "l2_hdr_size", KSTAT_DATA_UINT64 }, + { "l2_compress_successes", KSTAT_DATA_UINT64 }, + { "l2_compress_zeros", KSTAT_DATA_UINT64 }, + { "l2_compress_failures", KSTAT_DATA_UINT64 }, + { "memory_throttle_count", KSTAT_DATA_UINT64 }, + { "duplicate_buffers", KSTAT_DATA_UINT64 }, + { "duplicate_buffers_size", KSTAT_DATA_UINT64 }, + { "duplicate_reads", KSTAT_DATA_UINT64 }, + { "memory_direct_count", KSTAT_DATA_UINT64 }, + { "memory_indirect_count", KSTAT_DATA_UINT64 }, + { "arc_no_grow", KSTAT_DATA_UINT64 }, + { "arc_tempreserve", KSTAT_DATA_UINT64 }, + { "arc_loaned_bytes", KSTAT_DATA_UINT64 }, + { "arc_prune", KSTAT_DATA_UINT64 }, + { "arc_meta_used", KSTAT_DATA_UINT64 }, + { "arc_meta_limit", KSTAT_DATA_UINT64 }, + { "arc_meta_max", KSTAT_DATA_UINT64 }, + { "arc_meta_min", KSTAT_DATA_UINT64 }, + { "arc_need_free", KSTAT_DATA_UINT64 }, + { "arc_sys_free", KSTAT_DATA_UINT64 } +}; + +#define ARCSTAT(stat) (arc_stats.stat.value.ui64) + +#define ARCSTAT_INCR(stat, val) \ + atomic_add_64(&arc_stats.stat.value.ui64, (val)) + +#define ARCSTAT_BUMP(stat) ARCSTAT_INCR(stat, 1) +#define ARCSTAT_BUMPDOWN(stat) ARCSTAT_INCR(stat, -1) + +#define ARCSTAT_MAX(stat, val) { \ + uint64_t m; \ + while ((val) > (m = arc_stats.stat.value.ui64) && \ + (m != atomic_cas_64(&arc_stats.stat.value.ui64, m, (val)))) \ + continue; \ +} + +#define ARCSTAT_MAXSTAT(stat) \ + ARCSTAT_MAX(stat##_max, arc_stats.stat.value.ui64) + +/* + * We define a macro to allow ARC hits/misses to be easily broken down by + * two separate conditions, giving a total of four different subtypes for + * each of hits and misses (so eight statistics total). + */ +#define ARCSTAT_CONDSTAT(cond1, stat1, notstat1, cond2, stat2, notstat2, stat) \ + if (cond1) { \ + if (cond2) { \ + ARCSTAT_BUMP(arcstat_##stat1##_##stat2##_##stat); \ + } else { \ + ARCSTAT_BUMP(arcstat_##stat1##_##notstat2##_##stat); \ + } \ + } else { \ + if (cond2) { \ + ARCSTAT_BUMP(arcstat_##notstat1##_##stat2##_##stat); \ + } else { \ + ARCSTAT_BUMP(arcstat_##notstat1##_##notstat2##_##stat);\ + } \ + } + +kstat_t *arc_ksp; +static arc_state_t *arc_anon; +static arc_state_t *arc_mru; +static arc_state_t *arc_mru_ghost; +static arc_state_t *arc_mfu; +static arc_state_t *arc_mfu_ghost; +static arc_state_t *arc_l2c_only; + +/* + * There are several ARC variables that are critical to export as kstats -- + * but we don't want to have to grovel around in the kstat whenever we wish to + * manipulate them. For these variables, we therefore define them to be in + * terms of the statistic variable. This assures that we are not introducing + * the possibility of inconsistency by having shadow copies of the variables, + * while still allowing the code to be readable. + */ +#define arc_size ARCSTAT(arcstat_size) /* actual total arc size */ +#define arc_p ARCSTAT(arcstat_p) /* target size of MRU */ +#define arc_c ARCSTAT(arcstat_c) /* target size of cache */ +#define arc_c_min ARCSTAT(arcstat_c_min) /* min target cache size */ +#define arc_c_max ARCSTAT(arcstat_c_max) /* max target cache size */ +#define arc_no_grow ARCSTAT(arcstat_no_grow) +#define arc_tempreserve ARCSTAT(arcstat_tempreserve) +#define arc_loaned_bytes ARCSTAT(arcstat_loaned_bytes) +#define arc_meta_limit ARCSTAT(arcstat_meta_limit) /* max size for metadata */ +#define arc_meta_min ARCSTAT(arcstat_meta_min) /* min size for metadata */ +#define arc_meta_used ARCSTAT(arcstat_meta_used) /* size of metadata */ +#define arc_meta_max ARCSTAT(arcstat_meta_max) /* max size of metadata */ +#define arc_need_free ARCSTAT(arcstat_need_free) /* bytes to be freed */ +#define arc_sys_free ARCSTAT(arcstat_sys_free) /* target system free bytes */ + +#define L2ARC_IS_VALID_COMPRESS(_c_) \ + ((_c_) == ZIO_COMPRESS_LZ4 || (_c_) == ZIO_COMPRESS_EMPTY) + +static list_t arc_prune_list; +static kmutex_t arc_prune_mtx; +static taskq_t *arc_prune_taskq; +static arc_buf_t *arc_eviction_list; +static arc_buf_hdr_t arc_eviction_hdr; + +#define GHOST_STATE(state) \ + ((state) == arc_mru_ghost || (state) == arc_mfu_ghost || \ + (state) == arc_l2c_only) + +#define HDR_IN_HASH_TABLE(hdr) ((hdr)->b_flags & ARC_FLAG_IN_HASH_TABLE) +#define HDR_IO_IN_PROGRESS(hdr) ((hdr)->b_flags & ARC_FLAG_IO_IN_PROGRESS) +#define HDR_IO_ERROR(hdr) ((hdr)->b_flags & ARC_FLAG_IO_ERROR) +#define HDR_PREFETCH(hdr) ((hdr)->b_flags & ARC_FLAG_PREFETCH) +#define HDR_FREED_IN_READ(hdr) ((hdr)->b_flags & ARC_FLAG_FREED_IN_READ) +#define HDR_BUF_AVAILABLE(hdr) ((hdr)->b_flags & ARC_FLAG_BUF_AVAILABLE) + +#define HDR_L2CACHE(hdr) ((hdr)->b_flags & ARC_FLAG_L2CACHE) +#define HDR_L2COMPRESS(hdr) ((hdr)->b_flags & ARC_FLAG_L2COMPRESS) +#define HDR_L2_READING(hdr) \ + (((hdr)->b_flags & ARC_FLAG_IO_IN_PROGRESS) && \ + ((hdr)->b_flags & ARC_FLAG_HAS_L2HDR)) +#define HDR_L2_WRITING(hdr) ((hdr)->b_flags & ARC_FLAG_L2_WRITING) +#define HDR_L2_EVICTED(hdr) ((hdr)->b_flags & ARC_FLAG_L2_EVICTED) +#define HDR_L2_WRITE_HEAD(hdr) ((hdr)->b_flags & ARC_FLAG_L2_WRITE_HEAD) + +#define HDR_ISTYPE_METADATA(hdr) \ + ((hdr)->b_flags & ARC_FLAG_BUFC_METADATA) +#define HDR_ISTYPE_DATA(hdr) (!HDR_ISTYPE_METADATA(hdr)) + +#define HDR_HAS_L1HDR(hdr) ((hdr)->b_flags & ARC_FLAG_HAS_L1HDR) +#define HDR_HAS_L2HDR(hdr) ((hdr)->b_flags & ARC_FLAG_HAS_L2HDR) + +/* + * Other sizes + */ + +#define HDR_FULL_SIZE ((int64_t)sizeof (arc_buf_hdr_t)) +#define HDR_L2ONLY_SIZE ((int64_t)offsetof(arc_buf_hdr_t, b_l1hdr)) + +/* + * Hash table routines + */ + +#define HT_LOCK_ALIGN 64 +#define HT_LOCK_PAD (P2NPHASE(sizeof (kmutex_t), (HT_LOCK_ALIGN))) + +struct ht_lock { + kmutex_t ht_lock; +#ifdef _KERNEL + unsigned char pad[HT_LOCK_PAD]; +#endif +}; + +#define BUF_LOCKS 8192 +typedef struct buf_hash_table { + uint64_t ht_mask; + arc_buf_hdr_t **ht_table; + struct ht_lock ht_locks[BUF_LOCKS]; +} buf_hash_table_t; + +static buf_hash_table_t buf_hash_table; + +#define BUF_HASH_INDEX(spa, dva, birth) \ + (buf_hash(spa, dva, birth) & buf_hash_table.ht_mask) +#define BUF_HASH_LOCK_NTRY(idx) (buf_hash_table.ht_locks[idx & (BUF_LOCKS-1)]) +#define BUF_HASH_LOCK(idx) (&(BUF_HASH_LOCK_NTRY(idx).ht_lock)) +#define HDR_LOCK(hdr) \ + (BUF_HASH_LOCK(BUF_HASH_INDEX(hdr->b_spa, &hdr->b_dva, hdr->b_birth))) + +uint64_t zfs_crc64_table[256]; + +/* + * Level 2 ARC + */ + +#define L2ARC_WRITE_SIZE (8 * 1024 * 1024) /* initial write max */ +#define L2ARC_HEADROOM 2 /* num of writes */ +/* + * If we discover during ARC scan any buffers to be compressed, we boost + * our headroom for the next scanning cycle by this percentage multiple. + */ +#define L2ARC_HEADROOM_BOOST 200 +#define L2ARC_FEED_SECS 1 /* caching interval secs */ +#define L2ARC_FEED_MIN_MS 200 /* min caching interval ms */ + +/* + * Used to distinguish headers that are being process by + * l2arc_write_buffers(), but have yet to be assigned to a l2arc disk + * address. This can happen when the header is added to the l2arc's list + * of buffers to write in the first stage of l2arc_write_buffers(), but + * has not yet been written out which happens in the second stage of + * l2arc_write_buffers(). + */ +#define L2ARC_ADDR_UNSET ((uint64_t)(-1)) + +#define l2arc_writes_sent ARCSTAT(arcstat_l2_writes_sent) +#define l2arc_writes_done ARCSTAT(arcstat_l2_writes_done) + +/* L2ARC Performance Tunables */ +unsigned long l2arc_write_max = L2ARC_WRITE_SIZE; /* def max write size */ +unsigned long l2arc_write_boost = L2ARC_WRITE_SIZE; /* extra warmup write */ +unsigned long l2arc_headroom = L2ARC_HEADROOM; /* # of dev writes */ +unsigned long l2arc_headroom_boost = L2ARC_HEADROOM_BOOST; +unsigned long l2arc_feed_secs = L2ARC_FEED_SECS; /* interval seconds */ +unsigned long l2arc_feed_min_ms = L2ARC_FEED_MIN_MS; /* min interval msecs */ +int l2arc_noprefetch = B_TRUE; /* don't cache prefetch bufs */ +int l2arc_nocompress = B_FALSE; /* don't compress bufs */ +int l2arc_feed_again = B_TRUE; /* turbo warmup */ +int l2arc_norw = B_FALSE; /* no reads during writes */ + +/* + * L2ARC Internals + */ +static list_t L2ARC_dev_list; /* device list */ +static list_t *l2arc_dev_list; /* device list pointer */ +static kmutex_t l2arc_dev_mtx; /* device list mutex */ +static l2arc_dev_t *l2arc_dev_last; /* last device used */ +static list_t L2ARC_free_on_write; /* free after write buf list */ +static list_t *l2arc_free_on_write; /* free after write list ptr */ +static kmutex_t l2arc_free_on_write_mtx; /* mutex for list */ +static uint64_t l2arc_ndev; /* number of devices */ + +typedef struct l2arc_read_callback { + arc_buf_t *l2rcb_buf; /* read buffer */ + spa_t *l2rcb_spa; /* spa */ + blkptr_t l2rcb_bp; /* original blkptr */ + zbookmark_phys_t l2rcb_zb; /* original bookmark */ + int l2rcb_flags; /* original flags */ + enum zio_compress l2rcb_compress; /* applied compress */ +} l2arc_read_callback_t; + +typedef struct l2arc_data_free { + /* protected by l2arc_free_on_write_mtx */ + void *l2df_data; + size_t l2df_size; + void (*l2df_func)(void *, size_t); + list_node_t l2df_list_node; +} l2arc_data_free_t; + +static kmutex_t l2arc_feed_thr_lock; +static kcondvar_t l2arc_feed_thr_cv; +static uint8_t l2arc_thread_exit; + +static void arc_get_data_buf(arc_buf_t *); +static void arc_access(arc_buf_hdr_t *, kmutex_t *); +static boolean_t arc_is_overflowing(void); +static void arc_buf_watch(arc_buf_t *); +static void arc_tuning_update(void); + +static arc_buf_contents_t arc_buf_type(arc_buf_hdr_t *); +static uint32_t arc_bufc_to_flags(arc_buf_contents_t); + +static boolean_t l2arc_write_eligible(uint64_t, arc_buf_hdr_t *); +static void l2arc_read_done(zio_t *); + +static boolean_t l2arc_compress_buf(arc_buf_hdr_t *); +static void l2arc_decompress_zio(zio_t *, arc_buf_hdr_t *, enum zio_compress); +static void l2arc_release_cdata_buf(arc_buf_hdr_t *); + +static uint64_t +buf_hash(uint64_t spa, const dva_t *dva, uint64_t birth) +{ + uint8_t *vdva = (uint8_t *)dva; + uint64_t crc = -1ULL; + int i; + + ASSERT(zfs_crc64_table[128] == ZFS_CRC64_POLY); + + for (i = 0; i < sizeof (dva_t); i++) + crc = (crc >> 8) ^ zfs_crc64_table[(crc ^ vdva[i]) & 0xFF]; + + crc ^= (spa>>8) ^ birth; + + return (crc); +} + +#define BUF_EMPTY(buf) \ + ((buf)->b_dva.dva_word[0] == 0 && \ + (buf)->b_dva.dva_word[1] == 0) + +#define BUF_EQUAL(spa, dva, birth, buf) \ + ((buf)->b_dva.dva_word[0] == (dva)->dva_word[0]) && \ + ((buf)->b_dva.dva_word[1] == (dva)->dva_word[1]) && \ + ((buf)->b_birth == birth) && ((buf)->b_spa == spa) + +static void +buf_discard_identity(arc_buf_hdr_t *hdr) +{ + hdr->b_dva.dva_word[0] = 0; + hdr->b_dva.dva_word[1] = 0; + hdr->b_birth = 0; +} + +static arc_buf_hdr_t * +buf_hash_find(uint64_t spa, const blkptr_t *bp, kmutex_t **lockp) +{ + const dva_t *dva = BP_IDENTITY(bp); + uint64_t birth = BP_PHYSICAL_BIRTH(bp); + uint64_t idx = BUF_HASH_INDEX(spa, dva, birth); + kmutex_t *hash_lock = BUF_HASH_LOCK(idx); + arc_buf_hdr_t *hdr; + + mutex_enter(hash_lock); + for (hdr = buf_hash_table.ht_table[idx]; hdr != NULL; + hdr = hdr->b_hash_next) { + if (BUF_EQUAL(spa, dva, birth, hdr)) { + *lockp = hash_lock; + return (hdr); + } + } + mutex_exit(hash_lock); + *lockp = NULL; + return (NULL); +} + +/* + * Insert an entry into the hash table. If there is already an element + * equal to elem in the hash table, then the already existing element + * will be returned and the new element will not be inserted. + * Otherwise returns NULL. + * If lockp == NULL, the caller is assumed to already hold the hash lock. + */ +static arc_buf_hdr_t * +buf_hash_insert(arc_buf_hdr_t *hdr, kmutex_t **lockp) +{ + uint64_t idx = BUF_HASH_INDEX(hdr->b_spa, &hdr->b_dva, hdr->b_birth); + kmutex_t *hash_lock = BUF_HASH_LOCK(idx); + arc_buf_hdr_t *fhdr; + uint32_t i; + + ASSERT(!DVA_IS_EMPTY(&hdr->b_dva)); + ASSERT(hdr->b_birth != 0); + ASSERT(!HDR_IN_HASH_TABLE(hdr)); + + if (lockp != NULL) { + *lockp = hash_lock; + mutex_enter(hash_lock); + } else { + ASSERT(MUTEX_HELD(hash_lock)); + } + + for (fhdr = buf_hash_table.ht_table[idx], i = 0; fhdr != NULL; + fhdr = fhdr->b_hash_next, i++) { + if (BUF_EQUAL(hdr->b_spa, &hdr->b_dva, hdr->b_birth, fhdr)) + return (fhdr); + } + + hdr->b_hash_next = buf_hash_table.ht_table[idx]; + buf_hash_table.ht_table[idx] = hdr; + hdr->b_flags |= ARC_FLAG_IN_HASH_TABLE; + + /* collect some hash table performance data */ + if (i > 0) { + ARCSTAT_BUMP(arcstat_hash_collisions); + if (i == 1) + ARCSTAT_BUMP(arcstat_hash_chains); + + ARCSTAT_MAX(arcstat_hash_chain_max, i); + } + + ARCSTAT_BUMP(arcstat_hash_elements); + ARCSTAT_MAXSTAT(arcstat_hash_elements); + + return (NULL); +} + +static void +buf_hash_remove(arc_buf_hdr_t *hdr) +{ + arc_buf_hdr_t *fhdr, **hdrp; + uint64_t idx = BUF_HASH_INDEX(hdr->b_spa, &hdr->b_dva, hdr->b_birth); + + ASSERT(MUTEX_HELD(BUF_HASH_LOCK(idx))); + ASSERT(HDR_IN_HASH_TABLE(hdr)); + + hdrp = &buf_hash_table.ht_table[idx]; + while ((fhdr = *hdrp) != hdr) { + ASSERT(fhdr != NULL); + hdrp = &fhdr->b_hash_next; + } + *hdrp = hdr->b_hash_next; + hdr->b_hash_next = NULL; + hdr->b_flags &= ~ARC_FLAG_IN_HASH_TABLE; + + /* collect some hash table performance data */ + ARCSTAT_BUMPDOWN(arcstat_hash_elements); + + if (buf_hash_table.ht_table[idx] && + buf_hash_table.ht_table[idx]->b_hash_next == NULL) + ARCSTAT_BUMPDOWN(arcstat_hash_chains); +} + +/* + * Global data structures and functions for the buf kmem cache. + */ +static kmem_cache_t *hdr_full_cache; +static kmem_cache_t *hdr_l2only_cache; +static kmem_cache_t *buf_cache; + +static void +buf_fini(void) +{ + int i; + +#if defined(_KERNEL) && defined(HAVE_SPL) + /* + * Large allocations which do not require contiguous pages + * should be using vmem_free() in the linux kernel\ + */ + vmem_free(buf_hash_table.ht_table, + (buf_hash_table.ht_mask + 1) * sizeof (void *)); +#else + kmem_free(buf_hash_table.ht_table, + (buf_hash_table.ht_mask + 1) * sizeof (void *)); +#endif + for (i = 0; i < BUF_LOCKS; i++) + mutex_destroy(&buf_hash_table.ht_locks[i].ht_lock); + kmem_cache_destroy(hdr_full_cache); + kmem_cache_destroy(hdr_l2only_cache); + kmem_cache_destroy(buf_cache); +} + +/* + * Constructor callback - called when the cache is empty + * and a new buf is requested. + */ +/* ARGSUSED */ +static int +hdr_full_cons(void *vbuf, void *unused, int kmflag) +{ + arc_buf_hdr_t *hdr = vbuf; + + bzero(hdr, HDR_FULL_SIZE); + cv_init(&hdr->b_l1hdr.b_cv, NULL, CV_DEFAULT, NULL); + refcount_create(&hdr->b_l1hdr.b_refcnt); + mutex_init(&hdr->b_l1hdr.b_freeze_lock, NULL, MUTEX_DEFAULT, NULL); + list_link_init(&hdr->b_l1hdr.b_arc_node); + list_link_init(&hdr->b_l2hdr.b_l2node); + multilist_link_init(&hdr->b_l1hdr.b_arc_node); + arc_space_consume(HDR_FULL_SIZE, ARC_SPACE_HDRS); + + return (0); +} + +/* ARGSUSED */ +static int +hdr_l2only_cons(void *vbuf, void *unused, int kmflag) +{ + arc_buf_hdr_t *hdr = vbuf; + + bzero(hdr, HDR_L2ONLY_SIZE); + arc_space_consume(HDR_L2ONLY_SIZE, ARC_SPACE_L2HDRS); + + return (0); +} + +/* ARGSUSED */ +static int +buf_cons(void *vbuf, void *unused, int kmflag) +{ + arc_buf_t *buf = vbuf; + + bzero(buf, sizeof (arc_buf_t)); + mutex_init(&buf->b_evict_lock, NULL, MUTEX_DEFAULT, NULL); + arc_space_consume(sizeof (arc_buf_t), ARC_SPACE_HDRS); + + return (0); +} + +/* + * Destructor callback - called when a cached buf is + * no longer required. + */ +/* ARGSUSED */ +static void +hdr_full_dest(void *vbuf, void *unused) +{ + arc_buf_hdr_t *hdr = vbuf; + + ASSERT(BUF_EMPTY(hdr)); + cv_destroy(&hdr->b_l1hdr.b_cv); + refcount_destroy(&hdr->b_l1hdr.b_refcnt); + mutex_destroy(&hdr->b_l1hdr.b_freeze_lock); + ASSERT(!multilist_link_active(&hdr->b_l1hdr.b_arc_node)); + arc_space_return(HDR_FULL_SIZE, ARC_SPACE_HDRS); +} + +/* ARGSUSED */ +static void +hdr_l2only_dest(void *vbuf, void *unused) +{ + ASSERTV(arc_buf_hdr_t *hdr = vbuf); + + ASSERT(BUF_EMPTY(hdr)); + arc_space_return(HDR_L2ONLY_SIZE, ARC_SPACE_L2HDRS); +} + +/* ARGSUSED */ +static void +buf_dest(void *vbuf, void *unused) +{ + arc_buf_t *buf = vbuf; + + mutex_destroy(&buf->b_evict_lock); + arc_space_return(sizeof (arc_buf_t), ARC_SPACE_HDRS); +} + +/* + * Reclaim callback -- invoked when memory is low. + */ +/* ARGSUSED */ +static void +hdr_recl(void *unused) +{ + dprintf("hdr_recl called\n"); + /* + * umem calls the reclaim func when we destroy the buf cache, + * which is after we do arc_fini(). + */ + if (!arc_dead) + cv_signal(&arc_reclaim_thread_cv); +} + +static void +buf_init(void) +{ + uint64_t *ct; + uint64_t hsize = 1ULL << 12; + int i, j; + + /* + * The hash table is big enough to fill all of physical memory + * with an average block size of zfs_arc_average_blocksize (default 8K). + * By default, the table will take up + * totalmem * sizeof(void*) / 8K (1MB per GB with 8-byte pointers). + */ + while (hsize * zfs_arc_average_blocksize < physmem * PAGESIZE) + hsize <<= 1; +retry: + buf_hash_table.ht_mask = hsize - 1; +#if defined(_KERNEL) && defined(HAVE_SPL) + /* + * Large allocations which do not require contiguous pages + * should be using vmem_alloc() in the linux kernel + */ + buf_hash_table.ht_table = + vmem_zalloc(hsize * sizeof (void*), KM_SLEEP); +#else + buf_hash_table.ht_table = + kmem_zalloc(hsize * sizeof (void*), KM_NOSLEEP); +#endif + if (buf_hash_table.ht_table == NULL) { + ASSERT(hsize > (1ULL << 8)); + hsize >>= 1; + goto retry; + } + + hdr_full_cache = kmem_cache_create("arc_buf_hdr_t_full", HDR_FULL_SIZE, + 0, hdr_full_cons, hdr_full_dest, hdr_recl, NULL, NULL, 0); + hdr_l2only_cache = kmem_cache_create("arc_buf_hdr_t_l2only", + HDR_L2ONLY_SIZE, 0, hdr_l2only_cons, hdr_l2only_dest, hdr_recl, + NULL, NULL, 0); + buf_cache = kmem_cache_create("arc_buf_t", sizeof (arc_buf_t), + 0, buf_cons, buf_dest, NULL, NULL, NULL, 0); + + for (i = 0; i < 256; i++) + for (ct = zfs_crc64_table + i, *ct = i, j = 8; j > 0; j--) + *ct = (*ct >> 1) ^ (-(*ct & 1) & ZFS_CRC64_POLY); + + for (i = 0; i < BUF_LOCKS; i++) { + mutex_init(&buf_hash_table.ht_locks[i].ht_lock, + NULL, MUTEX_DEFAULT, NULL); + } +} + +/* + * Transition between the two allocation states for the arc_buf_hdr struct. + * The arc_buf_hdr struct can be allocated with (hdr_full_cache) or without + * (hdr_l2only_cache) the fields necessary for the L1 cache - the smaller + * version is used when a cache buffer is only in the L2ARC in order to reduce + * memory usage. + */ +static arc_buf_hdr_t * +arc_hdr_realloc(arc_buf_hdr_t *hdr, kmem_cache_t *old, kmem_cache_t *new) +{ + arc_buf_hdr_t *nhdr; + l2arc_dev_t *dev; + + ASSERT(HDR_HAS_L2HDR(hdr)); + ASSERT((old == hdr_full_cache && new == hdr_l2only_cache) || + (old == hdr_l2only_cache && new == hdr_full_cache)); + + dev = hdr->b_l2hdr.b_dev; + nhdr = kmem_cache_alloc(new, KM_PUSHPAGE); + + ASSERT(MUTEX_HELD(HDR_LOCK(hdr))); + buf_hash_remove(hdr); + + bcopy(hdr, nhdr, HDR_L2ONLY_SIZE); + + if (new == hdr_full_cache) { + nhdr->b_flags |= ARC_FLAG_HAS_L1HDR; + /* + * arc_access and arc_change_state need to be aware that a + * header has just come out of L2ARC, so we set its state to + * l2c_only even though it's about to change. + */ + nhdr->b_l1hdr.b_state = arc_l2c_only; + + /* Verify previous threads set to NULL before freeing */ + ASSERT3P(nhdr->b_l1hdr.b_tmp_cdata, ==, NULL); + } else { + ASSERT(hdr->b_l1hdr.b_buf == NULL); + ASSERT0(hdr->b_l1hdr.b_datacnt); + + /* + * If we've reached here, We must have been called from + * arc_evict_hdr(), as such we should have already been + * removed from any ghost list we were previously on + * (which protects us from racing with arc_evict_state), + * thus no locking is needed during this check. + */ + ASSERT(!multilist_link_active(&hdr->b_l1hdr.b_arc_node)); + + /* + * A buffer must not be moved into the arc_l2c_only + * state if it's not finished being written out to the + * l2arc device. Otherwise, the b_l1hdr.b_tmp_cdata field + * might try to be accessed, even though it was removed. + */ + VERIFY(!HDR_L2_WRITING(hdr)); + VERIFY3P(hdr->b_l1hdr.b_tmp_cdata, ==, NULL); + + nhdr->b_flags &= ~ARC_FLAG_HAS_L1HDR; + } + /* + * The header has been reallocated so we need to re-insert it into any + * lists it was on. + */ + (void) buf_hash_insert(nhdr, NULL); + + ASSERT(list_link_active(&hdr->b_l2hdr.b_l2node)); + + mutex_enter(&dev->l2ad_mtx); + + /* + * We must place the realloc'ed header back into the list at + * the same spot. Otherwise, if it's placed earlier in the list, + * l2arc_write_buffers() could find it during the function's + * write phase, and try to write it out to the l2arc. + */ + list_insert_after(&dev->l2ad_buflist, hdr, nhdr); + list_remove(&dev->l2ad_buflist, hdr); + + mutex_exit(&dev->l2ad_mtx); + + /* + * Since we're using the pointer address as the tag when + * incrementing and decrementing the l2ad_alloc refcount, we + * must remove the old pointer (that we're about to destroy) and + * add the new pointer to the refcount. Otherwise we'd remove + * the wrong pointer address when calling arc_hdr_destroy() later. + */ + + (void) refcount_remove_many(&dev->l2ad_alloc, + hdr->b_l2hdr.b_asize, hdr); + + (void) refcount_add_many(&dev->l2ad_alloc, + nhdr->b_l2hdr.b_asize, nhdr); + + buf_discard_identity(hdr); + hdr->b_freeze_cksum = NULL; + kmem_cache_free(old, hdr); + + return (nhdr); +} + + +#define ARC_MINTIME (hz>>4) /* 62 ms */ + +static void +arc_cksum_verify(arc_buf_t *buf) +{ + zio_cksum_t zc; + + if (!(zfs_flags & ZFS_DEBUG_MODIFY)) + return; + + mutex_enter(&buf->b_hdr->b_l1hdr.b_freeze_lock); + if (buf->b_hdr->b_freeze_cksum == NULL || HDR_IO_ERROR(buf->b_hdr)) { + mutex_exit(&buf->b_hdr->b_l1hdr.b_freeze_lock); + return; + } + fletcher_2_native(buf->b_data, buf->b_hdr->b_size, &zc); + if (!ZIO_CHECKSUM_EQUAL(*buf->b_hdr->b_freeze_cksum, zc)) + panic("buffer modified while frozen!"); + mutex_exit(&buf->b_hdr->b_l1hdr.b_freeze_lock); +} + +static int +arc_cksum_equal(arc_buf_t *buf) +{ + zio_cksum_t zc; + int equal; + + mutex_enter(&buf->b_hdr->b_l1hdr.b_freeze_lock); + fletcher_2_native(buf->b_data, buf->b_hdr->b_size, &zc); + equal = ZIO_CHECKSUM_EQUAL(*buf->b_hdr->b_freeze_cksum, zc); + mutex_exit(&buf->b_hdr->b_l1hdr.b_freeze_lock); + + return (equal); +} + +static void +arc_cksum_compute(arc_buf_t *buf, boolean_t force) +{ + if (!force && !(zfs_flags & ZFS_DEBUG_MODIFY)) + return; + + mutex_enter(&buf->b_hdr->b_l1hdr.b_freeze_lock); + if (buf->b_hdr->b_freeze_cksum != NULL) { + mutex_exit(&buf->b_hdr->b_l1hdr.b_freeze_lock); + return; + } + buf->b_hdr->b_freeze_cksum = kmem_alloc(sizeof (zio_cksum_t), KM_SLEEP); + fletcher_2_native(buf->b_data, buf->b_hdr->b_size, + buf->b_hdr->b_freeze_cksum); + mutex_exit(&buf->b_hdr->b_l1hdr.b_freeze_lock); + arc_buf_watch(buf); +} + +#ifndef _KERNEL +void +arc_buf_sigsegv(int sig, siginfo_t *si, void *unused) +{ + panic("Got SIGSEGV at address: 0x%lx\n", (long) si->si_addr); +} +#endif + +/* ARGSUSED */ +static void +arc_buf_unwatch(arc_buf_t *buf) +{ +#ifndef _KERNEL + if (arc_watch) { + ASSERT0(mprotect(buf->b_data, buf->b_hdr->b_size, + PROT_READ | PROT_WRITE)); + } +#endif +} + +/* ARGSUSED */ +static void +arc_buf_watch(arc_buf_t *buf) +{ +#ifndef _KERNEL + if (arc_watch) + ASSERT0(mprotect(buf->b_data, buf->b_hdr->b_size, PROT_READ)); +#endif +} + +static arc_buf_contents_t +arc_buf_type(arc_buf_hdr_t *hdr) +{ + if (HDR_ISTYPE_METADATA(hdr)) { + return (ARC_BUFC_METADATA); + } else { + return (ARC_BUFC_DATA); + } +} + +static uint32_t +arc_bufc_to_flags(arc_buf_contents_t type) +{ + switch (type) { + case ARC_BUFC_DATA: + /* metadata field is 0 if buffer contains normal data */ + return (0); + case ARC_BUFC_METADATA: + return (ARC_FLAG_BUFC_METADATA); + default: + break; + } + panic("undefined ARC buffer type!"); + return ((uint32_t)-1); +} + +void +arc_buf_thaw(arc_buf_t *buf) +{ + if (zfs_flags & ZFS_DEBUG_MODIFY) { + if (buf->b_hdr->b_l1hdr.b_state != arc_anon) + panic("modifying non-anon buffer!"); + if (HDR_IO_IN_PROGRESS(buf->b_hdr)) + panic("modifying buffer while i/o in progress!"); + arc_cksum_verify(buf); + } + + mutex_enter(&buf->b_hdr->b_l1hdr.b_freeze_lock); + if (buf->b_hdr->b_freeze_cksum != NULL) { + kmem_free(buf->b_hdr->b_freeze_cksum, sizeof (zio_cksum_t)); + buf->b_hdr->b_freeze_cksum = NULL; + } + + mutex_exit(&buf->b_hdr->b_l1hdr.b_freeze_lock); + + arc_buf_unwatch(buf); +} + +void +arc_buf_freeze(arc_buf_t *buf) +{ + kmutex_t *hash_lock; + + if (!(zfs_flags & ZFS_DEBUG_MODIFY)) + return; + + hash_lock = HDR_LOCK(buf->b_hdr); + mutex_enter(hash_lock); + + ASSERT(buf->b_hdr->b_freeze_cksum != NULL || + buf->b_hdr->b_l1hdr.b_state == arc_anon); + arc_cksum_compute(buf, B_FALSE); + mutex_exit(hash_lock); + +} + +static void +add_reference(arc_buf_hdr_t *hdr, kmutex_t *hash_lock, void *tag) +{ + arc_state_t *state; + + ASSERT(HDR_HAS_L1HDR(hdr)); + ASSERT(MUTEX_HELD(hash_lock)); + + state = hdr->b_l1hdr.b_state; + + if ((refcount_add(&hdr->b_l1hdr.b_refcnt, tag) == 1) && + (state != arc_anon)) { + /* We don't use the L2-only state list. */ + if (state != arc_l2c_only) { + arc_buf_contents_t type = arc_buf_type(hdr); + uint64_t delta = hdr->b_size * hdr->b_l1hdr.b_datacnt; + multilist_t *list = &state->arcs_list[type]; + uint64_t *size = &state->arcs_lsize[type]; + + multilist_remove(list, hdr); + + if (GHOST_STATE(state)) { + ASSERT0(hdr->b_l1hdr.b_datacnt); + ASSERT3P(hdr->b_l1hdr.b_buf, ==, NULL); + delta = hdr->b_size; + } + ASSERT(delta > 0); + ASSERT3U(*size, >=, delta); + atomic_add_64(size, -delta); + } + /* remove the prefetch flag if we get a reference */ + hdr->b_flags &= ~ARC_FLAG_PREFETCH; + } +} + +static int +remove_reference(arc_buf_hdr_t *hdr, kmutex_t *hash_lock, void *tag) +{ + int cnt; + arc_state_t *state = hdr->b_l1hdr.b_state; + + ASSERT(HDR_HAS_L1HDR(hdr)); + ASSERT(state == arc_anon || MUTEX_HELD(hash_lock)); + ASSERT(!GHOST_STATE(state)); + + /* + * arc_l2c_only counts as a ghost state so we don't need to explicitly + * check to prevent usage of the arc_l2c_only list. + */ + if (((cnt = refcount_remove(&hdr->b_l1hdr.b_refcnt, tag)) == 0) && + (state != arc_anon)) { + arc_buf_contents_t type = arc_buf_type(hdr); + multilist_t *list = &state->arcs_list[type]; + uint64_t *size = &state->arcs_lsize[type]; + + multilist_insert(list, hdr); + + ASSERT(hdr->b_l1hdr.b_datacnt > 0); + atomic_add_64(size, hdr->b_size * + hdr->b_l1hdr.b_datacnt); + } + return (cnt); +} + +/* + * Returns detailed information about a specific arc buffer. When the + * state_index argument is set the function will calculate the arc header + * list position for its arc state. Since this requires a linear traversal + * callers are strongly encourage not to do this. However, it can be helpful + * for targeted analysis so the functionality is provided. + */ +void +arc_buf_info(arc_buf_t *ab, arc_buf_info_t *abi, int state_index) +{ + arc_buf_hdr_t *hdr = ab->b_hdr; + l1arc_buf_hdr_t *l1hdr = NULL; + l2arc_buf_hdr_t *l2hdr = NULL; + arc_state_t *state = NULL; + + memset(abi, 0, sizeof (arc_buf_info_t)); + + if (hdr == NULL) + return; + + abi->abi_flags = hdr->b_flags; + + if (HDR_HAS_L1HDR(hdr)) { + l1hdr = &hdr->b_l1hdr; + state = l1hdr->b_state; + } + if (HDR_HAS_L2HDR(hdr)) + l2hdr = &hdr->b_l2hdr; + + if (l1hdr) { + abi->abi_datacnt = l1hdr->b_datacnt; + abi->abi_access = l1hdr->b_arc_access; + abi->abi_mru_hits = l1hdr->b_mru_hits; + abi->abi_mru_ghost_hits = l1hdr->b_mru_ghost_hits; + abi->abi_mfu_hits = l1hdr->b_mfu_hits; + abi->abi_mfu_ghost_hits = l1hdr->b_mfu_ghost_hits; + abi->abi_holds = refcount_count(&l1hdr->b_refcnt); + } + + if (l2hdr) { + abi->abi_l2arc_dattr = l2hdr->b_daddr; + abi->abi_l2arc_asize = l2hdr->b_asize; + abi->abi_l2arc_compress = l2hdr->b_compress; + abi->abi_l2arc_hits = l2hdr->b_hits; + } + + abi->abi_state_type = state ? state->arcs_state : ARC_STATE_ANON; + abi->abi_state_contents = arc_buf_type(hdr); + abi->abi_size = hdr->b_size; +} + +/* + * Move the supplied buffer to the indicated state. The hash lock + * for the buffer must be held by the caller. + */ +static void +arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr, + kmutex_t *hash_lock) +{ + arc_state_t *old_state; + int64_t refcnt; + uint32_t datacnt; + uint64_t from_delta, to_delta; + arc_buf_contents_t buftype = arc_buf_type(hdr); + + /* + * We almost always have an L1 hdr here, since we call arc_hdr_realloc() + * in arc_read() when bringing a buffer out of the L2ARC. However, the + * L1 hdr doesn't always exist when we change state to arc_anon before + * destroying a header, in which case reallocating to add the L1 hdr is + * pointless. + */ + if (HDR_HAS_L1HDR(hdr)) { + old_state = hdr->b_l1hdr.b_state; + refcnt = refcount_count(&hdr->b_l1hdr.b_refcnt); + datacnt = hdr->b_l1hdr.b_datacnt; + } else { + old_state = arc_l2c_only; + refcnt = 0; + datacnt = 0; + } + + ASSERT(MUTEX_HELD(hash_lock)); + ASSERT3P(new_state, !=, old_state); + ASSERT(refcnt == 0 || datacnt > 0); + ASSERT(!GHOST_STATE(new_state) || datacnt == 0); + ASSERT(old_state != arc_anon || datacnt <= 1); + + from_delta = to_delta = datacnt * hdr->b_size; + + /* + * If this buffer is evictable, transfer it from the + * old state list to the new state list. + */ + if (refcnt == 0) { + if (old_state != arc_anon && old_state != arc_l2c_only) { + uint64_t *size = &old_state->arcs_lsize[buftype]; + + ASSERT(HDR_HAS_L1HDR(hdr)); + multilist_remove(&old_state->arcs_list[buftype], hdr); + + /* + * If prefetching out of the ghost cache, + * we will have a non-zero datacnt. + */ + if (GHOST_STATE(old_state) && datacnt == 0) { + /* ghost elements have a ghost size */ + ASSERT(hdr->b_l1hdr.b_buf == NULL); + from_delta = hdr->b_size; + } + ASSERT3U(*size, >=, from_delta); + atomic_add_64(size, -from_delta); + } + if (new_state != arc_anon && new_state != arc_l2c_only) { + uint64_t *size = &new_state->arcs_lsize[buftype]; + + /* + * An L1 header always exists here, since if we're + * moving to some L1-cached state (i.e. not l2c_only or + * anonymous), we realloc the header to add an L1hdr + * beforehand. + */ + ASSERT(HDR_HAS_L1HDR(hdr)); + multilist_insert(&new_state->arcs_list[buftype], hdr); + + /* ghost elements have a ghost size */ + if (GHOST_STATE(new_state)) { + ASSERT0(datacnt); + ASSERT(hdr->b_l1hdr.b_buf == NULL); + to_delta = hdr->b_size; + } + atomic_add_64(size, to_delta); + } + } + + ASSERT(!BUF_EMPTY(hdr)); + if (new_state == arc_anon && HDR_IN_HASH_TABLE(hdr)) + buf_hash_remove(hdr); + + /* adjust state sizes (ignore arc_l2c_only) */ + + if (to_delta && new_state != arc_l2c_only) { + ASSERT(HDR_HAS_L1HDR(hdr)); + if (GHOST_STATE(new_state)) { + ASSERT0(datacnt); + + /* + * We moving a header to a ghost state, we first + * remove all arc buffers. Thus, we'll have a + * datacnt of zero, and no arc buffer to use for + * the reference. As a result, we use the arc + * header pointer for the reference. + */ + (void) refcount_add_many(&new_state->arcs_size, + hdr->b_size, hdr); + } else { + arc_buf_t *buf; + ASSERT3U(datacnt, !=, 0); + + /* + * Each individual buffer holds a unique reference, + * thus we must remove each of these references one + * at a time. + */ + for (buf = hdr->b_l1hdr.b_buf; buf != NULL; + buf = buf->b_next) { + (void) refcount_add_many(&new_state->arcs_size, + hdr->b_size, buf); + } + } + } + + if (from_delta && old_state != arc_l2c_only) { + ASSERT(HDR_HAS_L1HDR(hdr)); + if (GHOST_STATE(old_state)) { + /* + * When moving a header off of a ghost state, + * there's the possibility for datacnt to be + * non-zero. This is because we first add the + * arc buffer to the header prior to changing + * the header's state. Since we used the header + * for the reference when putting the header on + * the ghost state, we must balance that and use + * the header when removing off the ghost state + * (even though datacnt is non zero). + */ + + IMPLY(datacnt == 0, new_state == arc_anon || + new_state == arc_l2c_only); + + (void) refcount_remove_many(&old_state->arcs_size, + hdr->b_size, hdr); + } else { + arc_buf_t *buf; + ASSERT3U(datacnt, !=, 0); + + /* + * Each individual buffer holds a unique reference, + * thus we must remove each of these references one + * at a time. + */ + for (buf = hdr->b_l1hdr.b_buf; buf != NULL; + buf = buf->b_next) { + (void) refcount_remove_many( + &old_state->arcs_size, hdr->b_size, buf); + } + } + } + + if (HDR_HAS_L1HDR(hdr)) + hdr->b_l1hdr.b_state = new_state; + + /* + * L2 headers should never be on the L2 state list since they don't + * have L1 headers allocated. + */ + ASSERT(multilist_is_empty(&arc_l2c_only->arcs_list[ARC_BUFC_DATA]) && + multilist_is_empty(&arc_l2c_only->arcs_list[ARC_BUFC_METADATA])); +} + +void +arc_space_consume(uint64_t space, arc_space_type_t type) +{ + ASSERT(type >= 0 && type < ARC_SPACE_NUMTYPES); + + switch (type) { + default: + break; + case ARC_SPACE_DATA: + ARCSTAT_INCR(arcstat_data_size, space); + break; + case ARC_SPACE_META: + ARCSTAT_INCR(arcstat_metadata_size, space); + break; + case ARC_SPACE_OTHER: + ARCSTAT_INCR(arcstat_other_size, space); + break; + case ARC_SPACE_HDRS: + ARCSTAT_INCR(arcstat_hdr_size, space); + break; + case ARC_SPACE_L2HDRS: + ARCSTAT_INCR(arcstat_l2_hdr_size, space); + break; + } + + if (type != ARC_SPACE_DATA) + ARCSTAT_INCR(arcstat_meta_used, space); + + atomic_add_64(&arc_size, space); +} + +void +arc_space_return(uint64_t space, arc_space_type_t type) +{ + ASSERT(type >= 0 && type < ARC_SPACE_NUMTYPES); + + switch (type) { + default: + break; + case ARC_SPACE_DATA: + ARCSTAT_INCR(arcstat_data_size, -space); + break; + case ARC_SPACE_META: + ARCSTAT_INCR(arcstat_metadata_size, -space); + break; + case ARC_SPACE_OTHER: + ARCSTAT_INCR(arcstat_other_size, -space); + break; + case ARC_SPACE_HDRS: + ARCSTAT_INCR(arcstat_hdr_size, -space); + break; + case ARC_SPACE_L2HDRS: + ARCSTAT_INCR(arcstat_l2_hdr_size, -space); + break; + } + + if (type != ARC_SPACE_DATA) { + ASSERT(arc_meta_used >= space); + if (arc_meta_max < arc_meta_used) + arc_meta_max = arc_meta_used; + ARCSTAT_INCR(arcstat_meta_used, -space); + } + + ASSERT(arc_size >= space); + atomic_add_64(&arc_size, -space); +} + +arc_buf_t * +arc_buf_alloc(spa_t *spa, uint64_t size, void *tag, arc_buf_contents_t type) +{ + arc_buf_hdr_t *hdr; + arc_buf_t *buf; + + VERIFY3U(size, <=, spa_maxblocksize(spa)); + hdr = kmem_cache_alloc(hdr_full_cache, KM_PUSHPAGE); + ASSERT(BUF_EMPTY(hdr)); + ASSERT3P(hdr->b_freeze_cksum, ==, NULL); + hdr->b_size = size; + hdr->b_spa = spa_load_guid(spa); + hdr->b_l1hdr.b_mru_hits = 0; + hdr->b_l1hdr.b_mru_ghost_hits = 0; + hdr->b_l1hdr.b_mfu_hits = 0; + hdr->b_l1hdr.b_mfu_ghost_hits = 0; + hdr->b_l1hdr.b_l2_hits = 0; + + buf = kmem_cache_alloc(buf_cache, KM_PUSHPAGE); + buf->b_hdr = hdr; + buf->b_data = NULL; + buf->b_efunc = NULL; + buf->b_private = NULL; + buf->b_next = NULL; + + hdr->b_flags = arc_bufc_to_flags(type); + hdr->b_flags |= ARC_FLAG_HAS_L1HDR; + + hdr->b_l1hdr.b_buf = buf; + hdr->b_l1hdr.b_state = arc_anon; + hdr->b_l1hdr.b_arc_access = 0; + hdr->b_l1hdr.b_datacnt = 1; + hdr->b_l1hdr.b_tmp_cdata = NULL; + + arc_get_data_buf(buf); + ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + (void) refcount_add(&hdr->b_l1hdr.b_refcnt, tag); + + return (buf); +} + +static char *arc_onloan_tag = "onloan"; + +/* + * Loan out an anonymous arc buffer. Loaned buffers are not counted as in + * flight data by arc_tempreserve_space() until they are "returned". Loaned + * buffers must be returned to the arc before they can be used by the DMU or + * freed. + */ +arc_buf_t * +arc_loan_buf(spa_t *spa, uint64_t size) +{ + arc_buf_t *buf; + + buf = arc_buf_alloc(spa, size, arc_onloan_tag, ARC_BUFC_DATA); + + atomic_add_64(&arc_loaned_bytes, size); + return (buf); +} + +/* + * Return a loaned arc buffer to the arc. + */ +void +arc_return_buf(arc_buf_t *buf, void *tag) +{ + arc_buf_hdr_t *hdr = buf->b_hdr; + + ASSERT(buf->b_data != NULL); + ASSERT(HDR_HAS_L1HDR(hdr)); + (void) refcount_add(&hdr->b_l1hdr.b_refcnt, tag); + (void) refcount_remove(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag); + + atomic_add_64(&arc_loaned_bytes, -hdr->b_size); +} + +/* Detach an arc_buf from a dbuf (tag) */ +void +arc_loan_inuse_buf(arc_buf_t *buf, void *tag) +{ + arc_buf_hdr_t *hdr = buf->b_hdr; + + ASSERT(buf->b_data != NULL); + ASSERT(HDR_HAS_L1HDR(hdr)); + (void) refcount_add(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag); + (void) refcount_remove(&hdr->b_l1hdr.b_refcnt, tag); + buf->b_efunc = NULL; + buf->b_private = NULL; + + atomic_add_64(&arc_loaned_bytes, hdr->b_size); +} + +static arc_buf_t * +arc_buf_clone(arc_buf_t *from) +{ + arc_buf_t *buf; + arc_buf_hdr_t *hdr = from->b_hdr; + uint64_t size = hdr->b_size; + + ASSERT(HDR_HAS_L1HDR(hdr)); + ASSERT(hdr->b_l1hdr.b_state != arc_anon); + + buf = kmem_cache_alloc(buf_cache, KM_PUSHPAGE); + buf->b_hdr = hdr; + buf->b_data = NULL; + buf->b_efunc = NULL; + buf->b_private = NULL; + buf->b_next = hdr->b_l1hdr.b_buf; + hdr->b_l1hdr.b_buf = buf; + arc_get_data_buf(buf); + bcopy(from->b_data, buf->b_data, size); + + /* + * This buffer already exists in the arc so create a duplicate + * copy for the caller. If the buffer is associated with user data + * then track the size and number of duplicates. These stats will be + * updated as duplicate buffers are created and destroyed. + */ + if (HDR_ISTYPE_DATA(hdr)) { + ARCSTAT_BUMP(arcstat_duplicate_buffers); + ARCSTAT_INCR(arcstat_duplicate_buffers_size, size); + } + hdr->b_l1hdr.b_datacnt += 1; + return (buf); +} + +void +arc_buf_add_ref(arc_buf_t *buf, void* tag) +{ + arc_buf_hdr_t *hdr; + kmutex_t *hash_lock; + + /* + * Check to see if this buffer is evicted. Callers + * must verify b_data != NULL to know if the add_ref + * was successful. + */ + mutex_enter(&buf->b_evict_lock); + if (buf->b_data == NULL) { + mutex_exit(&buf->b_evict_lock); + return; + } + hash_lock = HDR_LOCK(buf->b_hdr); + mutex_enter(hash_lock); + hdr = buf->b_hdr; + ASSERT(HDR_HAS_L1HDR(hdr)); + ASSERT3P(hash_lock, ==, HDR_LOCK(hdr)); + mutex_exit(&buf->b_evict_lock); + + ASSERT(hdr->b_l1hdr.b_state == arc_mru || + hdr->b_l1hdr.b_state == arc_mfu); + + add_reference(hdr, hash_lock, tag); + DTRACE_PROBE1(arc__hit, arc_buf_hdr_t *, hdr); + arc_access(hdr, hash_lock); + mutex_exit(hash_lock); + ARCSTAT_BUMP(arcstat_hits); + ARCSTAT_CONDSTAT(!HDR_PREFETCH(hdr), + demand, prefetch, !HDR_ISTYPE_METADATA(hdr), + data, metadata, hits); +} + +static void +arc_buf_free_on_write(void *data, size_t size, + void (*free_func)(void *, size_t)) +{ + l2arc_data_free_t *df; + + df = kmem_alloc(sizeof (*df), KM_SLEEP); + df->l2df_data = data; + df->l2df_size = size; + df->l2df_func = free_func; + mutex_enter(&l2arc_free_on_write_mtx); + list_insert_head(l2arc_free_on_write, df); + mutex_exit(&l2arc_free_on_write_mtx); +} + +/* + * Free the arc data buffer. If it is an l2arc write in progress, + * the buffer is placed on l2arc_free_on_write to be freed later. + */ +static void +arc_buf_data_free(arc_buf_t *buf, void (*free_func)(void *, size_t)) +{ + arc_buf_hdr_t *hdr = buf->b_hdr; + + if (HDR_L2_WRITING(hdr)) { + arc_buf_free_on_write(buf->b_data, hdr->b_size, free_func); + ARCSTAT_BUMP(arcstat_l2_free_on_write); + } else { + free_func(buf->b_data, hdr->b_size); + } +} + +static void +arc_buf_l2_cdata_free(arc_buf_hdr_t *hdr) +{ + ASSERT(HDR_HAS_L2HDR(hdr)); + ASSERT(MUTEX_HELD(&hdr->b_l2hdr.b_dev->l2ad_mtx)); + + /* + * The b_tmp_cdata field is linked off of the b_l1hdr, so if + * that doesn't exist, the header is in the arc_l2c_only state, + * and there isn't anything to free (it's already been freed). + */ + if (!HDR_HAS_L1HDR(hdr)) + return; + + /* + * The header isn't being written to the l2arc device, thus it + * shouldn't have a b_tmp_cdata to free. + */ + if (!HDR_L2_WRITING(hdr)) { + ASSERT3P(hdr->b_l1hdr.b_tmp_cdata, ==, NULL); + return; + } + + /* + * The header does not have compression enabled. This can be due + * to the buffer not being compressible, or because we're + * freeing the buffer before the second phase of + * l2arc_write_buffer() has started (which does the compression + * step). In either case, b_tmp_cdata does not point to a + * separately compressed buffer, so there's nothing to free (it + * points to the same buffer as the arc_buf_t's b_data field). + */ + if (hdr->b_l2hdr.b_compress == ZIO_COMPRESS_OFF) { + hdr->b_l1hdr.b_tmp_cdata = NULL; + return; + } + + /* + * There's nothing to free since the buffer was all zero's and + * compressed to a zero length buffer. + */ + if (hdr->b_l2hdr.b_compress == ZIO_COMPRESS_EMPTY) { + ASSERT3P(hdr->b_l1hdr.b_tmp_cdata, ==, NULL); + return; + } + + ASSERT(L2ARC_IS_VALID_COMPRESS(hdr->b_l2hdr.b_compress)); + + arc_buf_free_on_write(hdr->b_l1hdr.b_tmp_cdata, + hdr->b_size, zio_data_buf_free); + + ARCSTAT_BUMP(arcstat_l2_cdata_free_on_write); + hdr->b_l1hdr.b_tmp_cdata = NULL; +} + +/* + * Free up buf->b_data and if 'remove' is set, then pull the + * arc_buf_t off of the the arc_buf_hdr_t's list and free it. + */ +static void +arc_buf_destroy(arc_buf_t *buf, boolean_t remove) +{ + arc_buf_t **bufp; + + /* free up data associated with the buf */ + if (buf->b_data != NULL) { + arc_state_t *state = buf->b_hdr->b_l1hdr.b_state; + uint64_t size = buf->b_hdr->b_size; + arc_buf_contents_t type = arc_buf_type(buf->b_hdr); + + arc_cksum_verify(buf); + arc_buf_unwatch(buf); + + if (type == ARC_BUFC_METADATA) { + arc_buf_data_free(buf, zio_buf_free); + arc_space_return(size, ARC_SPACE_META); + } else { + ASSERT(type == ARC_BUFC_DATA); + arc_buf_data_free(buf, zio_data_buf_free); + arc_space_return(size, ARC_SPACE_DATA); + } + + /* protected by hash lock, if in the hash table */ + if (multilist_link_active(&buf->b_hdr->b_l1hdr.b_arc_node)) { + uint64_t *cnt = &state->arcs_lsize[type]; + + ASSERT(refcount_is_zero( + &buf->b_hdr->b_l1hdr.b_refcnt)); + ASSERT(state != arc_anon && state != arc_l2c_only); + + ASSERT3U(*cnt, >=, size); + atomic_add_64(cnt, -size); + } + + (void) refcount_remove_many(&state->arcs_size, size, buf); + buf->b_data = NULL; + + /* + * If we're destroying a duplicate buffer make sure + * that the appropriate statistics are updated. + */ + if (buf->b_hdr->b_l1hdr.b_datacnt > 1 && + HDR_ISTYPE_DATA(buf->b_hdr)) { + ARCSTAT_BUMPDOWN(arcstat_duplicate_buffers); + ARCSTAT_INCR(arcstat_duplicate_buffers_size, -size); + } + ASSERT(buf->b_hdr->b_l1hdr.b_datacnt > 0); + buf->b_hdr->b_l1hdr.b_datacnt -= 1; + } + + /* only remove the buf if requested */ + if (!remove) + return; + + /* remove the buf from the hdr list */ + for (bufp = &buf->b_hdr->b_l1hdr.b_buf; *bufp != buf; + bufp = &(*bufp)->b_next) + continue; + *bufp = buf->b_next; + buf->b_next = NULL; + + ASSERT(buf->b_efunc == NULL); + + /* clean up the buf */ + buf->b_hdr = NULL; + kmem_cache_free(buf_cache, buf); +} + +static void +arc_hdr_l2hdr_destroy(arc_buf_hdr_t *hdr) +{ + l2arc_buf_hdr_t *l2hdr = &hdr->b_l2hdr; + l2arc_dev_t *dev = l2hdr->b_dev; + + ASSERT(MUTEX_HELD(&dev->l2ad_mtx)); + ASSERT(HDR_HAS_L2HDR(hdr)); + + list_remove(&dev->l2ad_buflist, hdr); + + /* + * We don't want to leak the b_tmp_cdata buffer that was + * allocated in l2arc_write_buffers() + */ + arc_buf_l2_cdata_free(hdr); + + /* + * If the l2hdr's b_daddr is equal to L2ARC_ADDR_UNSET, then + * this header is being processed by l2arc_write_buffers() (i.e. + * it's in the first stage of l2arc_write_buffers()). + * Re-affirming that truth here, just to serve as a reminder. If + * b_daddr does not equal L2ARC_ADDR_UNSET, then the header may or + * may not have its HDR_L2_WRITING flag set. (the write may have + * completed, in which case HDR_L2_WRITING will be false and the + * b_daddr field will point to the address of the buffer on disk). + */ + IMPLY(l2hdr->b_daddr == L2ARC_ADDR_UNSET, HDR_L2_WRITING(hdr)); + + /* + * If b_daddr is equal to L2ARC_ADDR_UNSET, we're racing with + * l2arc_write_buffers(). Since we've just removed this header + * from the l2arc buffer list, this header will never reach the + * second stage of l2arc_write_buffers(), which increments the + * accounting stats for this header. Thus, we must be careful + * not to decrement them for this header either. + */ + if (l2hdr->b_daddr != L2ARC_ADDR_UNSET) { + ARCSTAT_INCR(arcstat_l2_asize, -l2hdr->b_asize); + ARCSTAT_INCR(arcstat_l2_size, -hdr->b_size); + + vdev_space_update(dev->l2ad_vdev, + -l2hdr->b_asize, 0, 0); + + (void) refcount_remove_many(&dev->l2ad_alloc, + l2hdr->b_asize, hdr); + } + + hdr->b_flags &= ~ARC_FLAG_HAS_L2HDR; +} + +static void +arc_hdr_destroy(arc_buf_hdr_t *hdr) +{ + if (HDR_HAS_L1HDR(hdr)) { + ASSERT(hdr->b_l1hdr.b_buf == NULL || + hdr->b_l1hdr.b_datacnt > 0); + ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT3P(hdr->b_l1hdr.b_state, ==, arc_anon); + } + ASSERT(!HDR_IO_IN_PROGRESS(hdr)); + ASSERT(!HDR_IN_HASH_TABLE(hdr)); + + if (HDR_HAS_L2HDR(hdr)) { + l2arc_dev_t *dev = hdr->b_l2hdr.b_dev; + boolean_t buflist_held = MUTEX_HELD(&dev->l2ad_mtx); + + if (!buflist_held) + mutex_enter(&dev->l2ad_mtx); + + /* + * Even though we checked this conditional above, we + * need to check this again now that we have the + * l2ad_mtx. This is because we could be racing with + * another thread calling l2arc_evict() which might have + * destroyed this header's L2 portion as we were waiting + * to acquire the l2ad_mtx. If that happens, we don't + * want to re-destroy the header's L2 portion. + */ + if (HDR_HAS_L2HDR(hdr)) + arc_hdr_l2hdr_destroy(hdr); + + if (!buflist_held) + mutex_exit(&dev->l2ad_mtx); + } + + if (!BUF_EMPTY(hdr)) + buf_discard_identity(hdr); + + if (hdr->b_freeze_cksum != NULL) { + kmem_free(hdr->b_freeze_cksum, sizeof (zio_cksum_t)); + hdr->b_freeze_cksum = NULL; + } + + if (HDR_HAS_L1HDR(hdr)) { + while (hdr->b_l1hdr.b_buf) { + arc_buf_t *buf = hdr->b_l1hdr.b_buf; + + if (buf->b_efunc != NULL) { + mutex_enter(&arc_user_evicts_lock); + mutex_enter(&buf->b_evict_lock); + ASSERT(buf->b_hdr != NULL); + arc_buf_destroy(hdr->b_l1hdr.b_buf, FALSE); + hdr->b_l1hdr.b_buf = buf->b_next; + buf->b_hdr = &arc_eviction_hdr; + buf->b_next = arc_eviction_list; + arc_eviction_list = buf; + mutex_exit(&buf->b_evict_lock); + cv_signal(&arc_user_evicts_cv); + mutex_exit(&arc_user_evicts_lock); + } else { + arc_buf_destroy(hdr->b_l1hdr.b_buf, TRUE); + } + } + } + + ASSERT3P(hdr->b_hash_next, ==, NULL); + if (HDR_HAS_L1HDR(hdr)) { + ASSERT(!multilist_link_active(&hdr->b_l1hdr.b_arc_node)); + ASSERT3P(hdr->b_l1hdr.b_acb, ==, NULL); + kmem_cache_free(hdr_full_cache, hdr); + } else { + kmem_cache_free(hdr_l2only_cache, hdr); + } +} + +void +arc_buf_free(arc_buf_t *buf, void *tag) +{ + arc_buf_hdr_t *hdr = buf->b_hdr; + int hashed = hdr->b_l1hdr.b_state != arc_anon; + + ASSERT(buf->b_efunc == NULL); + ASSERT(buf->b_data != NULL); + + if (hashed) { + kmutex_t *hash_lock = HDR_LOCK(hdr); + + mutex_enter(hash_lock); + hdr = buf->b_hdr; + ASSERT3P(hash_lock, ==, HDR_LOCK(hdr)); + + (void) remove_reference(hdr, hash_lock, tag); + if (hdr->b_l1hdr.b_datacnt > 1) { + arc_buf_destroy(buf, TRUE); + } else { + ASSERT(buf == hdr->b_l1hdr.b_buf); + ASSERT(buf->b_efunc == NULL); + hdr->b_flags |= ARC_FLAG_BUF_AVAILABLE; + } + mutex_exit(hash_lock); + } else if (HDR_IO_IN_PROGRESS(hdr)) { + int destroy_hdr; + /* + * We are in the middle of an async write. Don't destroy + * this buffer unless the write completes before we finish + * decrementing the reference count. + */ + mutex_enter(&arc_user_evicts_lock); + (void) remove_reference(hdr, NULL, tag); + ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + destroy_hdr = !HDR_IO_IN_PROGRESS(hdr); + mutex_exit(&arc_user_evicts_lock); + if (destroy_hdr) + arc_hdr_destroy(hdr); + } else { + if (remove_reference(hdr, NULL, tag) > 0) + arc_buf_destroy(buf, TRUE); + else + arc_hdr_destroy(hdr); + } +} + +boolean_t +arc_buf_remove_ref(arc_buf_t *buf, void* tag) +{ + arc_buf_hdr_t *hdr = buf->b_hdr; + kmutex_t *hash_lock = HDR_LOCK(hdr); + boolean_t no_callback = (buf->b_efunc == NULL); + + if (hdr->b_l1hdr.b_state == arc_anon) { + ASSERT(hdr->b_l1hdr.b_datacnt == 1); + arc_buf_free(buf, tag); + return (no_callback); + } + + mutex_enter(hash_lock); + hdr = buf->b_hdr; + ASSERT(hdr->b_l1hdr.b_datacnt > 0); + ASSERT3P(hash_lock, ==, HDR_LOCK(hdr)); + ASSERT(hdr->b_l1hdr.b_state != arc_anon); + ASSERT(buf->b_data != NULL); + + (void) remove_reference(hdr, hash_lock, tag); + if (hdr->b_l1hdr.b_datacnt > 1) { + if (no_callback) + arc_buf_destroy(buf, TRUE); + } else if (no_callback) { + ASSERT(hdr->b_l1hdr.b_buf == buf && buf->b_next == NULL); + ASSERT(buf->b_efunc == NULL); + hdr->b_flags |= ARC_FLAG_BUF_AVAILABLE; + } + ASSERT(no_callback || hdr->b_l1hdr.b_datacnt > 1 || + refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + mutex_exit(hash_lock); + return (no_callback); +} + +uint64_t +arc_buf_size(arc_buf_t *buf) +{ + return (buf->b_hdr->b_size); +} + +/* + * Called from the DMU to determine if the current buffer should be + * evicted. In order to ensure proper locking, the eviction must be initiated + * from the DMU. Return true if the buffer is associated with user data and + * duplicate buffers still exist. + */ +boolean_t +arc_buf_eviction_needed(arc_buf_t *buf) +{ + arc_buf_hdr_t *hdr; + boolean_t evict_needed = B_FALSE; + + if (zfs_disable_dup_eviction) + return (B_FALSE); + + mutex_enter(&buf->b_evict_lock); + hdr = buf->b_hdr; + if (hdr == NULL) { + /* + * We are in arc_do_user_evicts(); let that function + * perform the eviction. + */ + ASSERT(buf->b_data == NULL); + mutex_exit(&buf->b_evict_lock); + return (B_FALSE); + } else if (buf->b_data == NULL) { + /* + * We have already been added to the arc eviction list; + * recommend eviction. + */ + ASSERT3P(hdr, ==, &arc_eviction_hdr); + mutex_exit(&buf->b_evict_lock); + return (B_TRUE); + } + + if (hdr->b_l1hdr.b_datacnt > 1 && HDR_ISTYPE_DATA(hdr)) + evict_needed = B_TRUE; + + mutex_exit(&buf->b_evict_lock); + return (evict_needed); +} + +/* + * Evict the arc_buf_hdr that is provided as a parameter. The resultant + * state of the header is dependent on its state prior to entering this + * function. The following transitions are possible: + * + * - arc_mru -> arc_mru_ghost + * - arc_mfu -> arc_mfu_ghost + * - arc_mru_ghost -> arc_l2c_only + * - arc_mru_ghost -> deleted + * - arc_mfu_ghost -> arc_l2c_only + * - arc_mfu_ghost -> deleted + */ +static int64_t +arc_evict_hdr(arc_buf_hdr_t *hdr, kmutex_t *hash_lock) +{ + arc_state_t *evicted_state, *state; + int64_t bytes_evicted = 0; + + ASSERT(MUTEX_HELD(hash_lock)); + ASSERT(HDR_HAS_L1HDR(hdr)); + + state = hdr->b_l1hdr.b_state; + if (GHOST_STATE(state)) { + ASSERT(!HDR_IO_IN_PROGRESS(hdr)); + ASSERT(hdr->b_l1hdr.b_buf == NULL); + + /* + * l2arc_write_buffers() relies on a header's L1 portion + * (i.e. its b_tmp_cdata field) during its write phase. + * Thus, we cannot push a header onto the arc_l2c_only + * state (removing its L1 piece) until the header is + * done being written to the l2arc. + */ + if (HDR_HAS_L2HDR(hdr) && HDR_L2_WRITING(hdr)) { + ARCSTAT_BUMP(arcstat_evict_l2_skip); + return (bytes_evicted); + } + + ARCSTAT_BUMP(arcstat_deleted); + bytes_evicted += hdr->b_size; + + DTRACE_PROBE1(arc__delete, arc_buf_hdr_t *, hdr); + + if (HDR_HAS_L2HDR(hdr)) { + /* + * This buffer is cached on the 2nd Level ARC; + * don't destroy the header. + */ + arc_change_state(arc_l2c_only, hdr, hash_lock); + /* + * dropping from L1+L2 cached to L2-only, + * realloc to remove the L1 header. + */ + hdr = arc_hdr_realloc(hdr, hdr_full_cache, + hdr_l2only_cache); + } else { + arc_change_state(arc_anon, hdr, hash_lock); + arc_hdr_destroy(hdr); + } + return (bytes_evicted); + } + + ASSERT(state == arc_mru || state == arc_mfu); + evicted_state = (state == arc_mru) ? arc_mru_ghost : arc_mfu_ghost; + + /* prefetch buffers have a minimum lifespan */ + if (HDR_IO_IN_PROGRESS(hdr) || + ((hdr->b_flags & (ARC_FLAG_PREFETCH | ARC_FLAG_INDIRECT)) && + ddi_get_lbolt() - hdr->b_l1hdr.b_arc_access < + arc_min_prefetch_lifespan)) { + ARCSTAT_BUMP(arcstat_evict_skip); + return (bytes_evicted); + } + + ASSERT0(refcount_count(&hdr->b_l1hdr.b_refcnt)); + ASSERT3U(hdr->b_l1hdr.b_datacnt, >, 0); + while (hdr->b_l1hdr.b_buf) { + arc_buf_t *buf = hdr->b_l1hdr.b_buf; + if (!mutex_tryenter(&buf->b_evict_lock)) { + ARCSTAT_BUMP(arcstat_mutex_miss); + break; + } + if (buf->b_data != NULL) + bytes_evicted += hdr->b_size; + if (buf->b_efunc != NULL) { + mutex_enter(&arc_user_evicts_lock); + arc_buf_destroy(buf, FALSE); + hdr->b_l1hdr.b_buf = buf->b_next; + buf->b_hdr = &arc_eviction_hdr; + buf->b_next = arc_eviction_list; + arc_eviction_list = buf; + cv_signal(&arc_user_evicts_cv); + mutex_exit(&arc_user_evicts_lock); + mutex_exit(&buf->b_evict_lock); + } else { + mutex_exit(&buf->b_evict_lock); + arc_buf_destroy(buf, TRUE); + } + } + + if (HDR_HAS_L2HDR(hdr)) { + ARCSTAT_INCR(arcstat_evict_l2_cached, hdr->b_size); + } else { + if (l2arc_write_eligible(hdr->b_spa, hdr)) + ARCSTAT_INCR(arcstat_evict_l2_eligible, hdr->b_size); + else + ARCSTAT_INCR(arcstat_evict_l2_ineligible, hdr->b_size); + } + + if (hdr->b_l1hdr.b_datacnt == 0) { + arc_change_state(evicted_state, hdr, hash_lock); + ASSERT(HDR_IN_HASH_TABLE(hdr)); + hdr->b_flags |= ARC_FLAG_IN_HASH_TABLE; + hdr->b_flags &= ~ARC_FLAG_BUF_AVAILABLE; + DTRACE_PROBE1(arc__evict, arc_buf_hdr_t *, hdr); + } + + return (bytes_evicted); +} + +static uint64_t +arc_evict_state_impl(multilist_t *ml, int idx, arc_buf_hdr_t *marker, + uint64_t spa, int64_t bytes) +{ + multilist_sublist_t *mls; + uint64_t bytes_evicted = 0; + arc_buf_hdr_t *hdr; + kmutex_t *hash_lock; + int evict_count = 0; + + ASSERT3P(marker, !=, NULL); + IMPLY(bytes < 0, bytes == ARC_EVICT_ALL); + + mls = multilist_sublist_lock(ml, idx); + + for (hdr = multilist_sublist_prev(mls, marker); hdr != NULL; + hdr = multilist_sublist_prev(mls, marker)) { + if ((bytes != ARC_EVICT_ALL && bytes_evicted >= bytes) || + (evict_count >= zfs_arc_evict_batch_limit)) + break; + + /* + * To keep our iteration location, move the marker + * forward. Since we're not holding hdr's hash lock, we + * must be very careful and not remove 'hdr' from the + * sublist. Otherwise, other consumers might mistake the + * 'hdr' as not being on a sublist when they call the + * multilist_link_active() function (they all rely on + * the hash lock protecting concurrent insertions and + * removals). multilist_sublist_move_forward() was + * specifically implemented to ensure this is the case + * (only 'marker' will be removed and re-inserted). + */ + multilist_sublist_move_forward(mls, marker); + + /* + * The only case where the b_spa field should ever be + * zero, is the marker headers inserted by + * arc_evict_state(). It's possible for multiple threads + * to be calling arc_evict_state() concurrently (e.g. + * dsl_pool_close() and zio_inject_fault()), so we must + * skip any markers we see from these other threads. + */ + if (hdr->b_spa == 0) + continue; + + /* we're only interested in evicting buffers of a certain spa */ + if (spa != 0 && hdr->b_spa != spa) { + ARCSTAT_BUMP(arcstat_evict_skip); + continue; + } + + hash_lock = HDR_LOCK(hdr); + + /* + * We aren't calling this function from any code path + * that would already be holding a hash lock, so we're + * asserting on this assumption to be defensive in case + * this ever changes. Without this check, it would be + * possible to incorrectly increment arcstat_mutex_miss + * below (e.g. if the code changed such that we called + * this function with a hash lock held). + */ + ASSERT(!MUTEX_HELD(hash_lock)); + + if (mutex_tryenter(hash_lock)) { + uint64_t evicted = arc_evict_hdr(hdr, hash_lock); + mutex_exit(hash_lock); + + bytes_evicted += evicted; + + /* + * If evicted is zero, arc_evict_hdr() must have + * decided to skip this header, don't increment + * evict_count in this case. + */ + if (evicted != 0) + evict_count++; + + /* + * If arc_size isn't overflowing, signal any + * threads that might happen to be waiting. + * + * For each header evicted, we wake up a single + * thread. If we used cv_broadcast, we could + * wake up "too many" threads causing arc_size + * to significantly overflow arc_c; since + * arc_get_data_buf() doesn't check for overflow + * when it's woken up (it doesn't because it's + * possible for the ARC to be overflowing while + * full of un-evictable buffers, and the + * function should proceed in this case). + * + * If threads are left sleeping, due to not + * using cv_broadcast, they will be woken up + * just before arc_reclaim_thread() sleeps. + */ + mutex_enter(&arc_reclaim_lock); + if (!arc_is_overflowing()) + cv_signal(&arc_reclaim_waiters_cv); + mutex_exit(&arc_reclaim_lock); + } else { + ARCSTAT_BUMP(arcstat_mutex_miss); + } + } + + multilist_sublist_unlock(mls); + + return (bytes_evicted); +} + +/* + * Evict buffers from the given arc state, until we've removed the + * specified number of bytes. Move the removed buffers to the + * appropriate evict state. + * + * This function makes a "best effort". It skips over any buffers + * it can't get a hash_lock on, and so, may not catch all candidates. + * It may also return without evicting as much space as requested. + * + * If bytes is specified using the special value ARC_EVICT_ALL, this + * will evict all available (i.e. unlocked and evictable) buffers from + * the given arc state; which is used by arc_flush(). + */ +static uint64_t +arc_evict_state(arc_state_t *state, uint64_t spa, int64_t bytes, + arc_buf_contents_t type) +{ + uint64_t total_evicted = 0; + multilist_t *ml = &state->arcs_list[type]; + int num_sublists; + arc_buf_hdr_t **markers; + int i; + + IMPLY(bytes < 0, bytes == ARC_EVICT_ALL); + + num_sublists = multilist_get_num_sublists(ml); + + /* + * If we've tried to evict from each sublist, made some + * progress, but still have not hit the target number of bytes + * to evict, we want to keep trying. The markers allow us to + * pick up where we left off for each individual sublist, rather + * than starting from the tail each time. + */ + markers = kmem_zalloc(sizeof (*markers) * num_sublists, KM_SLEEP); + for (i = 0; i < num_sublists; i++) { + multilist_sublist_t *mls; + + markers[i] = kmem_cache_alloc(hdr_full_cache, KM_SLEEP); + + /* + * A b_spa of 0 is used to indicate that this header is + * a marker. This fact is used in arc_adjust_type() and + * arc_evict_state_impl(). + */ + markers[i]->b_spa = 0; + + mls = multilist_sublist_lock(ml, i); + multilist_sublist_insert_tail(mls, markers[i]); + multilist_sublist_unlock(mls); + } + + /* + * While we haven't hit our target number of bytes to evict, or + * we're evicting all available buffers. + */ + while (total_evicted < bytes || bytes == ARC_EVICT_ALL) { + /* + * Start eviction using a randomly selected sublist, + * this is to try and evenly balance eviction across all + * sublists. Always starting at the same sublist + * (e.g. index 0) would cause evictions to favor certain + * sublists over others. + */ + int sublist_idx = multilist_get_random_index(ml); + uint64_t scan_evicted = 0; + + for (i = 0; i < num_sublists; i++) { + uint64_t bytes_remaining; + uint64_t bytes_evicted; + + if (bytes == ARC_EVICT_ALL) + bytes_remaining = ARC_EVICT_ALL; + else if (total_evicted < bytes) + bytes_remaining = bytes - total_evicted; + else + break; + + bytes_evicted = arc_evict_state_impl(ml, sublist_idx, + markers[sublist_idx], spa, bytes_remaining); + + scan_evicted += bytes_evicted; + total_evicted += bytes_evicted; + + /* we've reached the end, wrap to the beginning */ + if (++sublist_idx >= num_sublists) + sublist_idx = 0; + } + + /* + * If we didn't evict anything during this scan, we have + * no reason to believe we'll evict more during another + * scan, so break the loop. + */ + if (scan_evicted == 0) { + /* This isn't possible, let's make that obvious */ + ASSERT3S(bytes, !=, 0); + + /* + * When bytes is ARC_EVICT_ALL, the only way to + * break the loop is when scan_evicted is zero. + * In that case, we actually have evicted enough, + * so we don't want to increment the kstat. + */ + if (bytes != ARC_EVICT_ALL) { + ASSERT3S(total_evicted, <, bytes); + ARCSTAT_BUMP(arcstat_evict_not_enough); + } + + break; + } + } + + for (i = 0; i < num_sublists; i++) { + multilist_sublist_t *mls = multilist_sublist_lock(ml, i); + multilist_sublist_remove(mls, markers[i]); + multilist_sublist_unlock(mls); + + kmem_cache_free(hdr_full_cache, markers[i]); + } + kmem_free(markers, sizeof (*markers) * num_sublists); + + return (total_evicted); +} + +/* + * Flush all "evictable" data of the given type from the arc state + * specified. This will not evict any "active" buffers (i.e. referenced). + * + * When 'retry' is set to FALSE, the function will make a single pass + * over the state and evict any buffers that it can. Since it doesn't + * continually retry the eviction, it might end up leaving some buffers + * in the ARC due to lock misses. + * + * When 'retry' is set to TRUE, the function will continually retry the + * eviction until *all* evictable buffers have been removed from the + * state. As a result, if concurrent insertions into the state are + * allowed (e.g. if the ARC isn't shutting down), this function might + * wind up in an infinite loop, continually trying to evict buffers. + */ +static uint64_t +arc_flush_state(arc_state_t *state, uint64_t spa, arc_buf_contents_t type, + boolean_t retry) +{ + uint64_t evicted = 0; + + while (state->arcs_lsize[type] != 0) { + evicted += arc_evict_state(state, spa, ARC_EVICT_ALL, type); + + if (!retry) + break; + } + + return (evicted); +} + +/* + * Helper function for arc_prune_async() it is responsible for safely + * handling the execution of a registered arc_prune_func_t. + */ +static void +arc_prune_task(void *ptr) +{ + arc_prune_t *ap = (arc_prune_t *)ptr; + arc_prune_func_t *func = ap->p_pfunc; + + if (func != NULL) + func(ap->p_adjust, ap->p_private); + + refcount_remove(&ap->p_refcnt, func); +} + +/* + * Notify registered consumers they must drop holds on a portion of the ARC + * buffered they reference. This provides a mechanism to ensure the ARC can + * honor the arc_meta_limit and reclaim otherwise pinned ARC buffers. This + * is analogous to dnlc_reduce_cache() but more generic. + * + * This operation is performed asynchronously so it may be safely called + * in the context of the arc_reclaim_thread(). A reference is taken here + * for each registered arc_prune_t and the arc_prune_task() is responsible + * for releasing it once the registered arc_prune_func_t has completed. + */ +static void +arc_prune_async(int64_t adjust) +{ + arc_prune_t *ap; + + mutex_enter(&arc_prune_mtx); + for (ap = list_head(&arc_prune_list); ap != NULL; + ap = list_next(&arc_prune_list, ap)) { + + if (refcount_count(&ap->p_refcnt) >= 2) + continue; + + refcount_add(&ap->p_refcnt, ap->p_pfunc); + ap->p_adjust = adjust; + taskq_dispatch(arc_prune_taskq, arc_prune_task, ap, TQ_SLEEP); + ARCSTAT_BUMP(arcstat_prune); + } + mutex_exit(&arc_prune_mtx); +} + +/* + * Evict the specified number of bytes from the state specified, + * restricting eviction to the spa and type given. This function + * prevents us from trying to evict more from a state's list than + * is "evictable", and to skip evicting altogether when passed a + * negative value for "bytes". In contrast, arc_evict_state() will + * evict everything it can, when passed a negative value for "bytes". + */ +static uint64_t +arc_adjust_impl(arc_state_t *state, uint64_t spa, int64_t bytes, + arc_buf_contents_t type) +{ + int64_t delta; + + if (bytes > 0 && state->arcs_lsize[type] > 0) { + delta = MIN(state->arcs_lsize[type], bytes); + return (arc_evict_state(state, spa, delta, type)); + } + + return (0); +} + +/* + * The goal of this function is to evict enough meta data buffers from the + * ARC in order to enforce the arc_meta_limit. Achieving this is slightly + * more complicated than it appears because it is common for data buffers + * to have holds on meta data buffers. In addition, dnode meta data buffers + * will be held by the dnodes in the block preventing them from being freed. + * This means we can't simply traverse the ARC and expect to always find + * enough unheld meta data buffer to release. + * + * Therefore, this function has been updated to make alternating passes + * over the ARC releasing data buffers and then newly unheld meta data + * buffers. This ensures forward progress is maintained and arc_meta_used + * will decrease. Normally this is sufficient, but if required the ARC + * will call the registered prune callbacks causing dentry and inodes to + * be dropped from the VFS cache. This will make dnode meta data buffers + * available for reclaim. + */ +static uint64_t +arc_adjust_meta_balanced(void) +{ + int64_t adjustmnt, delta, prune = 0; + uint64_t total_evicted = 0; + arc_buf_contents_t type = ARC_BUFC_DATA; + int restarts = MAX(zfs_arc_meta_adjust_restarts, 0); + +restart: + /* + * This slightly differs than the way we evict from the mru in + * arc_adjust because we don't have a "target" value (i.e. no + * "meta" arc_p). As a result, I think we can completely + * cannibalize the metadata in the MRU before we evict the + * metadata from the MFU. I think we probably need to implement a + * "metadata arc_p" value to do this properly. + */ + adjustmnt = arc_meta_used - arc_meta_limit; + + if (adjustmnt > 0 && arc_mru->arcs_lsize[type] > 0) { + delta = MIN(arc_mru->arcs_lsize[type], adjustmnt); + total_evicted += arc_adjust_impl(arc_mru, 0, delta, type); + adjustmnt -= delta; + } + + /* + * We can't afford to recalculate adjustmnt here. If we do, + * new metadata buffers can sneak into the MRU or ANON lists, + * thus penalize the MFU metadata. Although the fudge factor is + * small, it has been empirically shown to be significant for + * certain workloads (e.g. creating many empty directories). As + * such, we use the original calculation for adjustmnt, and + * simply decrement the amount of data evicted from the MRU. + */ + + if (adjustmnt > 0 && arc_mfu->arcs_lsize[type] > 0) { + delta = MIN(arc_mfu->arcs_lsize[type], adjustmnt); + total_evicted += arc_adjust_impl(arc_mfu, 0, delta, type); + } + + adjustmnt = arc_meta_used - arc_meta_limit; + + if (adjustmnt > 0 && arc_mru_ghost->arcs_lsize[type] > 0) { + delta = MIN(adjustmnt, + arc_mru_ghost->arcs_lsize[type]); + total_evicted += arc_adjust_impl(arc_mru_ghost, 0, delta, type); + adjustmnt -= delta; + } + + if (adjustmnt > 0 && arc_mfu_ghost->arcs_lsize[type] > 0) { + delta = MIN(adjustmnt, + arc_mfu_ghost->arcs_lsize[type]); + total_evicted += arc_adjust_impl(arc_mfu_ghost, 0, delta, type); + } + + /* + * If after attempting to make the requested adjustment to the ARC + * the meta limit is still being exceeded then request that the + * higher layers drop some cached objects which have holds on ARC + * meta buffers. Requests to the upper layers will be made with + * increasingly large scan sizes until the ARC is below the limit. + */ + if (arc_meta_used > arc_meta_limit) { + if (type == ARC_BUFC_DATA) { + type = ARC_BUFC_METADATA; + } else { + type = ARC_BUFC_DATA; + + if (zfs_arc_meta_prune) { + prune += zfs_arc_meta_prune; + arc_prune_async(prune); + } + } + + if (restarts > 0) { + restarts--; + goto restart; + } + } + return (total_evicted); +} + +/* + * Evict metadata buffers from the cache, such that arc_meta_used is + * capped by the arc_meta_limit tunable. + */ +static uint64_t +arc_adjust_meta_only(void) +{ + uint64_t total_evicted = 0; + int64_t target; + + /* + * If we're over the meta limit, we want to evict enough + * metadata to get back under the meta limit. We don't want to + * evict so much that we drop the MRU below arc_p, though. If + * we're over the meta limit more than we're over arc_p, we + * evict some from the MRU here, and some from the MFU below. + */ + target = MIN((int64_t)(arc_meta_used - arc_meta_limit), + (int64_t)(refcount_count(&arc_anon->arcs_size) + + refcount_count(&arc_mru->arcs_size) - arc_p)); + + total_evicted += arc_adjust_impl(arc_mru, 0, target, ARC_BUFC_METADATA); + + /* + * Similar to the above, we want to evict enough bytes to get us + * below the meta limit, but not so much as to drop us below the + * space alloted to the MFU (which is defined as arc_c - arc_p). + */ + target = MIN((int64_t)(arc_meta_used - arc_meta_limit), + (int64_t)(refcount_count(&arc_mfu->arcs_size) - (arc_c - arc_p))); + + total_evicted += arc_adjust_impl(arc_mfu, 0, target, ARC_BUFC_METADATA); + + return (total_evicted); +} + +static uint64_t +arc_adjust_meta(void) +{ + if (zfs_arc_meta_strategy == ARC_STRATEGY_META_ONLY) + return (arc_adjust_meta_only()); + else + return (arc_adjust_meta_balanced()); +} + +/* + * Return the type of the oldest buffer in the given arc state + * + * This function will select a random sublist of type ARC_BUFC_DATA and + * a random sublist of type ARC_BUFC_METADATA. The tail of each sublist + * is compared, and the type which contains the "older" buffer will be + * returned. + */ +static arc_buf_contents_t +arc_adjust_type(arc_state_t *state) +{ + multilist_t *data_ml = &state->arcs_list[ARC_BUFC_DATA]; + multilist_t *meta_ml = &state->arcs_list[ARC_BUFC_METADATA]; + int data_idx = multilist_get_random_index(data_ml); + int meta_idx = multilist_get_random_index(meta_ml); + multilist_sublist_t *data_mls; + multilist_sublist_t *meta_mls; + arc_buf_contents_t type; + arc_buf_hdr_t *data_hdr; + arc_buf_hdr_t *meta_hdr; + + /* + * We keep the sublist lock until we're finished, to prevent + * the headers from being destroyed via arc_evict_state(). + */ + data_mls = multilist_sublist_lock(data_ml, data_idx); + meta_mls = multilist_sublist_lock(meta_ml, meta_idx); + + /* + * These two loops are to ensure we skip any markers that + * might be at the tail of the lists due to arc_evict_state(). + */ + + for (data_hdr = multilist_sublist_tail(data_mls); data_hdr != NULL; + data_hdr = multilist_sublist_prev(data_mls, data_hdr)) { + if (data_hdr->b_spa != 0) + break; + } + + for (meta_hdr = multilist_sublist_tail(meta_mls); meta_hdr != NULL; + meta_hdr = multilist_sublist_prev(meta_mls, meta_hdr)) { + if (meta_hdr->b_spa != 0) + break; + } + + if (data_hdr == NULL && meta_hdr == NULL) { + type = ARC_BUFC_DATA; + } else if (data_hdr == NULL) { + ASSERT3P(meta_hdr, !=, NULL); + type = ARC_BUFC_METADATA; + } else if (meta_hdr == NULL) { + ASSERT3P(data_hdr, !=, NULL); + type = ARC_BUFC_DATA; + } else { + ASSERT3P(data_hdr, !=, NULL); + ASSERT3P(meta_hdr, !=, NULL); + + /* The headers can't be on the sublist without an L1 header */ + ASSERT(HDR_HAS_L1HDR(data_hdr)); + ASSERT(HDR_HAS_L1HDR(meta_hdr)); + + if (data_hdr->b_l1hdr.b_arc_access < + meta_hdr->b_l1hdr.b_arc_access) { + type = ARC_BUFC_DATA; + } else { + type = ARC_BUFC_METADATA; + } + } + + multilist_sublist_unlock(meta_mls); + multilist_sublist_unlock(data_mls); + + return (type); +} + +/* + * Evict buffers from the cache, such that arc_size is capped by arc_c. + */ +static uint64_t +arc_adjust(void) +{ + uint64_t total_evicted = 0; + uint64_t bytes; + int64_t target; + + /* + * If we're over arc_meta_limit, we want to correct that before + * potentially evicting data buffers below. + */ + total_evicted += arc_adjust_meta(); + + /* + * Adjust MRU size + * + * If we're over the target cache size, we want to evict enough + * from the list to get back to our target size. We don't want + * to evict too much from the MRU, such that it drops below + * arc_p. So, if we're over our target cache size more than + * the MRU is over arc_p, we'll evict enough to get back to + * arc_p here, and then evict more from the MFU below. + */ + target = MIN((int64_t)(arc_size - arc_c), + (int64_t)(refcount_count(&arc_anon->arcs_size) + + refcount_count(&arc_mru->arcs_size) + arc_meta_used - arc_p)); + + /* + * If we're below arc_meta_min, always prefer to evict data. + * Otherwise, try to satisfy the requested number of bytes to + * evict from the type which contains older buffers; in an + * effort to keep newer buffers in the cache regardless of their + * type. If we cannot satisfy the number of bytes from this + * type, spill over into the next type. + */ + if (arc_adjust_type(arc_mru) == ARC_BUFC_METADATA && + arc_meta_used > arc_meta_min) { + bytes = arc_adjust_impl(arc_mru, 0, target, ARC_BUFC_METADATA); + total_evicted += bytes; + + /* + * If we couldn't evict our target number of bytes from + * metadata, we try to get the rest from data. + */ + target -= bytes; + + total_evicted += + arc_adjust_impl(arc_mru, 0, target, ARC_BUFC_DATA); + } else { + bytes = arc_adjust_impl(arc_mru, 0, target, ARC_BUFC_DATA); + total_evicted += bytes; + + /* + * If we couldn't evict our target number of bytes from + * data, we try to get the rest from metadata. + */ + target -= bytes; + + total_evicted += + arc_adjust_impl(arc_mru, 0, target, ARC_BUFC_METADATA); + } + + /* + * Adjust MFU size + * + * Now that we've tried to evict enough from the MRU to get its + * size back to arc_p, if we're still above the target cache + * size, we evict the rest from the MFU. + */ + target = arc_size - arc_c; + + if (arc_adjust_type(arc_mfu) == ARC_BUFC_METADATA && + arc_meta_used > arc_meta_min) { + bytes = arc_adjust_impl(arc_mfu, 0, target, ARC_BUFC_METADATA); + total_evicted += bytes; + + /* + * If we couldn't evict our target number of bytes from + * metadata, we try to get the rest from data. + */ + target -= bytes; + + total_evicted += + arc_adjust_impl(arc_mfu, 0, target, ARC_BUFC_DATA); + } else { + bytes = arc_adjust_impl(arc_mfu, 0, target, ARC_BUFC_DATA); + total_evicted += bytes; + + /* + * If we couldn't evict our target number of bytes from + * data, we try to get the rest from data. + */ + target -= bytes; + + total_evicted += + arc_adjust_impl(arc_mfu, 0, target, ARC_BUFC_METADATA); + } + + /* + * Adjust ghost lists + * + * In addition to the above, the ARC also defines target values + * for the ghost lists. The sum of the mru list and mru ghost + * list should never exceed the target size of the cache, and + * the sum of the mru list, mfu list, mru ghost list, and mfu + * ghost list should never exceed twice the target size of the + * cache. The following logic enforces these limits on the ghost + * caches, and evicts from them as needed. + */ + target = refcount_count(&arc_mru->arcs_size) + + refcount_count(&arc_mru_ghost->arcs_size) - arc_c; + + bytes = arc_adjust_impl(arc_mru_ghost, 0, target, ARC_BUFC_DATA); + total_evicted += bytes; + + target -= bytes; + + total_evicted += + arc_adjust_impl(arc_mru_ghost, 0, target, ARC_BUFC_METADATA); + + /* + * We assume the sum of the mru list and mfu list is less than + * or equal to arc_c (we enforced this above), which means we + * can use the simpler of the two equations below: + * + * mru + mfu + mru ghost + mfu ghost <= 2 * arc_c + * mru ghost + mfu ghost <= arc_c + */ + target = refcount_count(&arc_mru_ghost->arcs_size) + + refcount_count(&arc_mfu_ghost->arcs_size) - arc_c; + + bytes = arc_adjust_impl(arc_mfu_ghost, 0, target, ARC_BUFC_DATA); + total_evicted += bytes; + + target -= bytes; + + total_evicted += + arc_adjust_impl(arc_mfu_ghost, 0, target, ARC_BUFC_METADATA); + + return (total_evicted); +} + +static void +arc_do_user_evicts(void) +{ + mutex_enter(&arc_user_evicts_lock); + while (arc_eviction_list != NULL) { + arc_buf_t *buf = arc_eviction_list; + arc_eviction_list = buf->b_next; + mutex_enter(&buf->b_evict_lock); + buf->b_hdr = NULL; + mutex_exit(&buf->b_evict_lock); + mutex_exit(&arc_user_evicts_lock); + + if (buf->b_efunc != NULL) + VERIFY0(buf->b_efunc(buf->b_private)); + + buf->b_efunc = NULL; + buf->b_private = NULL; + kmem_cache_free(buf_cache, buf); + mutex_enter(&arc_user_evicts_lock); + } + mutex_exit(&arc_user_evicts_lock); +} + +void +arc_flush(spa_t *spa, boolean_t retry) +{ + uint64_t guid = 0; + + /* + * If retry is TRUE, a spa must not be specified since we have + * no good way to determine if all of a spa's buffers have been + * evicted from an arc state. + */ + ASSERT(!retry || spa == 0); + + if (spa != NULL) + guid = spa_load_guid(spa); + + (void) arc_flush_state(arc_mru, guid, ARC_BUFC_DATA, retry); + (void) arc_flush_state(arc_mru, guid, ARC_BUFC_METADATA, retry); + + (void) arc_flush_state(arc_mfu, guid, ARC_BUFC_DATA, retry); + (void) arc_flush_state(arc_mfu, guid, ARC_BUFC_METADATA, retry); + + (void) arc_flush_state(arc_mru_ghost, guid, ARC_BUFC_DATA, retry); + (void) arc_flush_state(arc_mru_ghost, guid, ARC_BUFC_METADATA, retry); + + (void) arc_flush_state(arc_mfu_ghost, guid, ARC_BUFC_DATA, retry); + (void) arc_flush_state(arc_mfu_ghost, guid, ARC_BUFC_METADATA, retry); + + arc_do_user_evicts(); + ASSERT(spa || arc_eviction_list == NULL); +} + +void +arc_shrink(int64_t to_free) +{ + uint64_t c = arc_c; + + if (c > to_free && c - to_free > arc_c_min) { + arc_c = c - to_free; + atomic_add_64(&arc_p, -(arc_p >> arc_shrink_shift)); + if (arc_c > arc_size) + arc_c = MAX(arc_size, arc_c_min); + if (arc_p > arc_c) + arc_p = (arc_c >> 1); + ASSERT(arc_c >= arc_c_min); + ASSERT((int64_t)arc_p >= 0); + } else { + arc_c = arc_c_min; + } + + if (arc_size > arc_c) + (void) arc_adjust(); +} + +typedef enum free_memory_reason_t { + FMR_UNKNOWN, + FMR_NEEDFREE, + FMR_LOTSFREE, + FMR_SWAPFS_MINFREE, + FMR_PAGES_PP_MAXIMUM, + FMR_HEAP_ARENA, + FMR_ZIO_ARENA, +} free_memory_reason_t; + +int64_t last_free_memory; +free_memory_reason_t last_free_reason; + +#ifdef _KERNEL +/* + * Additional reserve of pages for pp_reserve. + */ +int64_t arc_pages_pp_reserve = 64; + +/* + * Additional reserve of pages for swapfs. + */ +int64_t arc_swapfs_reserve = 64; +#endif /* _KERNEL */ + +/* + * Return the amount of memory that can be consumed before reclaim will be + * needed. Positive if there is sufficient free memory, negative indicates + * the amount of memory that needs to be freed up. + */ +static int64_t +arc_available_memory(void) +{ + int64_t lowest = INT64_MAX; + free_memory_reason_t r = FMR_UNKNOWN; +#ifdef _KERNEL + int64_t n; +#ifdef __linux__ + pgcnt_t needfree = btop(arc_need_free); + pgcnt_t lotsfree = btop(arc_sys_free); + pgcnt_t desfree = 0; +#endif + + if (needfree > 0) { + n = PAGESIZE * (-needfree); + if (n < lowest) { + lowest = n; + r = FMR_NEEDFREE; + } + } + + /* + * check that we're out of range of the pageout scanner. It starts to + * schedule paging if freemem is less than lotsfree and needfree. + * lotsfree is the high-water mark for pageout, and needfree is the + * number of needed free pages. We add extra pages here to make sure + * the scanner doesn't start up while we're freeing memory. + */ + n = PAGESIZE * (freemem - lotsfree - needfree - desfree); + if (n < lowest) { + lowest = n; + r = FMR_LOTSFREE; + } + +#ifndef __linux__ + /* + * check to make sure that swapfs has enough space so that anon + * reservations can still succeed. anon_resvmem() checks that the + * availrmem is greater than swapfs_minfree, and the number of reserved + * swap pages. We also add a bit of extra here just to prevent + * circumstances from getting really dire. + */ + n = PAGESIZE * (availrmem - swapfs_minfree - swapfs_reserve - + desfree - arc_swapfs_reserve); + if (n < lowest) { + lowest = n; + r = FMR_SWAPFS_MINFREE; + } + + + /* + * Check that we have enough availrmem that memory locking (e.g., via + * mlock(3C) or memcntl(2)) can still succeed. (pages_pp_maximum + * stores the number of pages that cannot be locked; when availrmem + * drops below pages_pp_maximum, page locking mechanisms such as + * page_pp_lock() will fail.) + */ + n = PAGESIZE * (availrmem - pages_pp_maximum - + arc_pages_pp_reserve); + if (n < lowest) { + lowest = n; + r = FMR_PAGES_PP_MAXIMUM; + } +#endif + +#if defined(__i386) + /* + * If we're on an i386 platform, it's possible that we'll exhaust the + * kernel heap space before we ever run out of available physical + * memory. Most checks of the size of the heap_area compare against + * tune.t_minarmem, which is the minimum available real memory that we + * can have in the system. However, this is generally fixed at 25 pages + * which is so low that it's useless. In this comparison, we seek to + * calculate the total heap-size, and reclaim if more than 3/4ths of the + * heap is allocated. (Or, in the calculation, if less than 1/4th is + * free) + */ + n = vmem_size(heap_arena, VMEM_FREE) - + (vmem_size(heap_arena, VMEM_FREE | VMEM_ALLOC) >> 2); + if (n < lowest) { + lowest = n; + r = FMR_HEAP_ARENA; + } +#endif + + /* + * If zio data pages are being allocated out of a separate heap segment, + * then enforce that the size of available vmem for this arena remains + * above about 1/16th free. + * + * Note: The 1/16th arena free requirement was put in place + * to aggressively evict memory from the arc in order to avoid + * memory fragmentation issues. + */ + if (zio_arena != NULL) { + n = vmem_size(zio_arena, VMEM_FREE) - + (vmem_size(zio_arena, VMEM_ALLOC) >> 4); + if (n < lowest) { + lowest = n; + r = FMR_ZIO_ARENA; + } + } +#else /* _KERNEL */ + /* Every 100 calls, free a small amount */ + if (spa_get_random(100) == 0) + lowest = -1024; +#endif /* _KERNEL */ + + last_free_memory = lowest; + last_free_reason = r; + + return (lowest); +} + +/* + * Determine if the system is under memory pressure and is asking + * to reclaim memory. A return value of TRUE indicates that the system + * is under memory pressure and that the arc should adjust accordingly. + */ +static boolean_t +arc_reclaim_needed(void) +{ + return (arc_available_memory() < 0); +} + +static void +arc_kmem_reap_now(void) +{ + size_t i; + kmem_cache_t *prev_cache = NULL; + kmem_cache_t *prev_data_cache = NULL; + extern kmem_cache_t *zio_buf_cache[]; + extern kmem_cache_t *zio_data_buf_cache[]; + extern kmem_cache_t *range_seg_cache; + + if ((arc_meta_used >= arc_meta_limit) && zfs_arc_meta_prune) { + /* + * We are exceeding our meta-data cache limit. + * Prune some entries to release holds on meta-data. + */ + arc_prune_async(zfs_arc_meta_prune); + } + + for (i = 0; i < SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; i++) { +#ifdef _ILP32 + /* reach upper limit of cache size on 32-bit */ + if (zio_buf_cache[i] == NULL) + break; +#endif + if (zio_buf_cache[i] != prev_cache) { + prev_cache = zio_buf_cache[i]; + kmem_cache_reap_now(zio_buf_cache[i]); + } + if (zio_data_buf_cache[i] != prev_data_cache) { + prev_data_cache = zio_data_buf_cache[i]; + kmem_cache_reap_now(zio_data_buf_cache[i]); + } + } + kmem_cache_reap_now(buf_cache); + kmem_cache_reap_now(hdr_full_cache); + kmem_cache_reap_now(hdr_l2only_cache); + kmem_cache_reap_now(range_seg_cache); + + if (zio_arena != NULL) { + /* + * Ask the vmem arena to reclaim unused memory from its + * quantum caches. + */ + vmem_qcache_reap(zio_arena); + } +} + +/* + * Threads can block in arc_get_data_buf() waiting for this thread to evict + * enough data and signal them to proceed. When this happens, the threads in + * arc_get_data_buf() are sleeping while holding the hash lock for their + * particular arc header. Thus, we must be careful to never sleep on a + * hash lock in this thread. This is to prevent the following deadlock: + * + * - Thread A sleeps on CV in arc_get_data_buf() holding hash lock "L", + * waiting for the reclaim thread to signal it. + * + * - arc_reclaim_thread() tries to acquire hash lock "L" using mutex_enter, + * fails, and goes to sleep forever. + * + * This possible deadlock is avoided by always acquiring a hash lock + * using mutex_tryenter() from arc_reclaim_thread(). + */ +static void +arc_reclaim_thread(void) +{ + fstrans_cookie_t cookie = spl_fstrans_mark(); + clock_t growtime = 0; + callb_cpr_t cpr; + + CALLB_CPR_INIT(&cpr, &arc_reclaim_lock, callb_generic_cpr, FTAG); + + mutex_enter(&arc_reclaim_lock); + while (!arc_reclaim_thread_exit) { + int64_t to_free; + int64_t free_memory = arc_available_memory(); + uint64_t evicted = 0; + + arc_tuning_update(); + + mutex_exit(&arc_reclaim_lock); + + if (free_memory < 0) { + + arc_no_grow = B_TRUE; + arc_warm = B_TRUE; + + /* + * Wait at least zfs_grow_retry (default 5) seconds + * before considering growing. + */ + growtime = ddi_get_lbolt() + (arc_grow_retry * hz); + + arc_kmem_reap_now(); + + /* + * If we are still low on memory, shrink the ARC + * so that we have arc_shrink_min free space. + */ + free_memory = arc_available_memory(); + + to_free = (arc_c >> arc_shrink_shift) - free_memory; + if (to_free > 0) { +#ifdef _KERNEL + to_free = MAX(to_free, arc_need_free); +#endif + arc_shrink(to_free); + } + } else if (free_memory < arc_c >> arc_no_grow_shift) { + arc_no_grow = B_TRUE; + } else if (ddi_get_lbolt() >= growtime) { + arc_no_grow = B_FALSE; + } + + evicted = arc_adjust(); + + mutex_enter(&arc_reclaim_lock); + + /* + * If evicted is zero, we couldn't evict anything via + * arc_adjust(). This could be due to hash lock + * collisions, but more likely due to the majority of + * arc buffers being unevictable. Therefore, even if + * arc_size is above arc_c, another pass is unlikely to + * be helpful and could potentially cause us to enter an + * infinite loop. + */ + if (arc_size <= arc_c || evicted == 0) { + /* + * We're either no longer overflowing, or we + * can't evict anything more, so we should wake + * up any threads before we go to sleep and clear + * arc_need_free since nothing more can be done. + */ + cv_broadcast(&arc_reclaim_waiters_cv); + arc_need_free = 0; + + /* + * Block until signaled, or after one second (we + * might need to perform arc_kmem_reap_now() + * even if we aren't being signalled) + */ + CALLB_CPR_SAFE_BEGIN(&cpr); + (void) cv_timedwait_sig(&arc_reclaim_thread_cv, + &arc_reclaim_lock, ddi_get_lbolt() + hz); + CALLB_CPR_SAFE_END(&cpr, &arc_reclaim_lock); + } + } + + arc_reclaim_thread_exit = FALSE; + cv_broadcast(&arc_reclaim_thread_cv); + CALLB_CPR_EXIT(&cpr); /* drops arc_reclaim_lock */ + spl_fstrans_unmark(cookie); + thread_exit(); +} + +static void +arc_user_evicts_thread(void) +{ + fstrans_cookie_t cookie = spl_fstrans_mark(); + callb_cpr_t cpr; + + CALLB_CPR_INIT(&cpr, &arc_user_evicts_lock, callb_generic_cpr, FTAG); + + mutex_enter(&arc_user_evicts_lock); + while (!arc_user_evicts_thread_exit) { + mutex_exit(&arc_user_evicts_lock); + + arc_do_user_evicts(); + + /* + * This is necessary in order for the mdb ::arc dcmd to + * show up to date information. Since the ::arc command + * does not call the kstat's update function, without + * this call, the command may show stale stats for the + * anon, mru, mru_ghost, mfu, and mfu_ghost lists. Even + * with this change, the data might be up to 1 second + * out of date; but that should suffice. The arc_state_t + * structures can be queried directly if more accurate + * information is needed. + */ + if (arc_ksp != NULL) + arc_ksp->ks_update(arc_ksp, KSTAT_READ); + + mutex_enter(&arc_user_evicts_lock); + + /* + * Block until signaled, or after one second (we need to + * call the arc's kstat update function regularly). + */ + CALLB_CPR_SAFE_BEGIN(&cpr); + (void) cv_timedwait_sig(&arc_user_evicts_cv, + &arc_user_evicts_lock, ddi_get_lbolt() + hz); + CALLB_CPR_SAFE_END(&cpr, &arc_user_evicts_lock); + } + + arc_user_evicts_thread_exit = FALSE; + cv_broadcast(&arc_user_evicts_cv); + CALLB_CPR_EXIT(&cpr); /* drops arc_user_evicts_lock */ + spl_fstrans_unmark(cookie); + thread_exit(); +} + +#ifdef _KERNEL +/* + * Determine the amount of memory eligible for eviction contained in the + * ARC. All clean data reported by the ghost lists can always be safely + * evicted. Due to arc_c_min, the same does not hold for all clean data + * contained by the regular mru and mfu lists. + * + * In the case of the regular mru and mfu lists, we need to report as + * much clean data as possible, such that evicting that same reported + * data will not bring arc_size below arc_c_min. Thus, in certain + * circumstances, the total amount of clean data in the mru and mfu + * lists might not actually be evictable. + * + * The following two distinct cases are accounted for: + * + * 1. The sum of the amount of dirty data contained by both the mru and + * mfu lists, plus the ARC's other accounting (e.g. the anon list), + * is greater than or equal to arc_c_min. + * (i.e. amount of dirty data >= arc_c_min) + * + * This is the easy case; all clean data contained by the mru and mfu + * lists is evictable. Evicting all clean data can only drop arc_size + * to the amount of dirty data, which is greater than arc_c_min. + * + * 2. The sum of the amount of dirty data contained by both the mru and + * mfu lists, plus the ARC's other accounting (e.g. the anon list), + * is less than arc_c_min. + * (i.e. arc_c_min > amount of dirty data) + * + * 2.1. arc_size is greater than or equal arc_c_min. + * (i.e. arc_size >= arc_c_min > amount of dirty data) + * + * In this case, not all clean data from the regular mru and mfu + * lists is actually evictable; we must leave enough clean data + * to keep arc_size above arc_c_min. Thus, the maximum amount of + * evictable data from the two lists combined, is exactly the + * difference between arc_size and arc_c_min. + * + * 2.2. arc_size is less than arc_c_min + * (i.e. arc_c_min > arc_size > amount of dirty data) + * + * In this case, none of the data contained in the mru and mfu + * lists is evictable, even if it's clean. Since arc_size is + * already below arc_c_min, evicting any more would only + * increase this negative difference. + */ +static uint64_t +arc_evictable_memory(void) { + uint64_t arc_clean = + arc_mru->arcs_lsize[ARC_BUFC_DATA] + + arc_mru->arcs_lsize[ARC_BUFC_METADATA] + + arc_mfu->arcs_lsize[ARC_BUFC_DATA] + + arc_mfu->arcs_lsize[ARC_BUFC_METADATA]; + uint64_t ghost_clean = + arc_mru_ghost->arcs_lsize[ARC_BUFC_DATA] + + arc_mru_ghost->arcs_lsize[ARC_BUFC_METADATA] + + arc_mfu_ghost->arcs_lsize[ARC_BUFC_DATA] + + arc_mfu_ghost->arcs_lsize[ARC_BUFC_METADATA]; + uint64_t arc_dirty = MAX((int64_t)arc_size - (int64_t)arc_clean, 0); + + if (arc_dirty >= arc_c_min) + return (ghost_clean + arc_clean); + + return (ghost_clean + MAX((int64_t)arc_size - (int64_t)arc_c_min, 0)); +} + +/* + * If sc->nr_to_scan is zero, the caller is requesting a query of the + * number of objects which can potentially be freed. If it is nonzero, + * the request is to free that many objects. + * + * Linux kernels >= 3.12 have the count_objects and scan_objects callbacks + * in struct shrinker and also require the shrinker to return the number + * of objects freed. + * + * Older kernels require the shrinker to return the number of freeable + * objects following the freeing of nr_to_free. + */ +static spl_shrinker_t +__arc_shrinker_func(struct shrinker *shrink, struct shrink_control *sc) +{ + int64_t pages; + + /* The arc is considered warm once reclaim has occurred */ + if (unlikely(arc_warm == B_FALSE)) + arc_warm = B_TRUE; + + /* Return the potential number of reclaimable pages */ + pages = btop((int64_t)arc_evictable_memory()); + if (sc->nr_to_scan == 0) + return (pages); + + /* Not allowed to perform filesystem reclaim */ + if (!(sc->gfp_mask & __GFP_FS)) + return (SHRINK_STOP); + + /* Reclaim in progress */ + if (mutex_tryenter(&arc_reclaim_lock) == 0) + return (SHRINK_STOP); + + mutex_exit(&arc_reclaim_lock); + + /* + * Evict the requested number of pages by shrinking arc_c the + * requested amount. If there is nothing left to evict just + * reap whatever we can from the various arc slabs. + */ + if (pages > 0) { + arc_shrink(ptob(sc->nr_to_scan)); + arc_kmem_reap_now(); +#ifdef HAVE_SPLIT_SHRINKER_CALLBACK + pages = MAX(pages - btop(arc_evictable_memory()), 0); +#else + pages = btop(arc_evictable_memory()); +#endif + } else { + arc_kmem_reap_now(); + pages = SHRINK_STOP; + } + + /* + * We've reaped what we can, wake up threads. + */ + cv_broadcast(&arc_reclaim_waiters_cv); + + /* + * When direct reclaim is observed it usually indicates a rapid + * increase in memory pressure. This occurs because the kswapd + * threads were unable to asynchronously keep enough free memory + * available. In this case set arc_no_grow to briefly pause arc + * growth to avoid compounding the memory pressure. + */ + if (current_is_kswapd()) { + ARCSTAT_BUMP(arcstat_memory_indirect_count); + } else { + arc_no_grow = B_TRUE; + arc_need_free = ptob(sc->nr_to_scan); + ARCSTAT_BUMP(arcstat_memory_direct_count); + } + + return (pages); +} +SPL_SHRINKER_CALLBACK_WRAPPER(arc_shrinker_func); + +SPL_SHRINKER_DECLARE(arc_shrinker, arc_shrinker_func, DEFAULT_SEEKS); +#endif /* _KERNEL */ + +/* + * Adapt arc info given the number of bytes we are trying to add and + * the state that we are comming from. This function is only called + * when we are adding new content to the cache. + */ +static void +arc_adapt(int bytes, arc_state_t *state) +{ + int mult; + uint64_t arc_p_min = (arc_c >> arc_p_min_shift); + int64_t mrug_size = refcount_count(&arc_mru_ghost->arcs_size); + int64_t mfug_size = refcount_count(&arc_mfu_ghost->arcs_size); + + if (state == arc_l2c_only) + return; + + ASSERT(bytes > 0); + /* + * Adapt the target size of the MRU list: + * - if we just hit in the MRU ghost list, then increase + * the target size of the MRU list. + * - if we just hit in the MFU ghost list, then increase + * the target size of the MFU list by decreasing the + * target size of the MRU list. + */ + if (state == arc_mru_ghost) { + mult = (mrug_size >= mfug_size) ? 1 : (mfug_size / mrug_size); + if (!zfs_arc_p_dampener_disable) + mult = MIN(mult, 10); /* avoid wild arc_p adjustment */ + + arc_p = MIN(arc_c - arc_p_min, arc_p + bytes * mult); + } else if (state == arc_mfu_ghost) { + uint64_t delta; + + mult = (mfug_size >= mrug_size) ? 1 : (mrug_size / mfug_size); + if (!zfs_arc_p_dampener_disable) + mult = MIN(mult, 10); + + delta = MIN(bytes * mult, arc_p); + arc_p = MAX(arc_p_min, arc_p - delta); + } + ASSERT((int64_t)arc_p >= 0); + + if (arc_reclaim_needed()) { + cv_signal(&arc_reclaim_thread_cv); + return; + } + + if (arc_no_grow) + return; + + if (arc_c >= arc_c_max) + return; + + /* + * If we're within (2 * maxblocksize) bytes of the target + * cache size, increment the target cache size + */ + ASSERT3U(arc_c, >=, 2ULL << SPA_MAXBLOCKSHIFT); + if (arc_size >= arc_c - (2ULL << SPA_MAXBLOCKSHIFT)) { + atomic_add_64(&arc_c, (int64_t)bytes); + if (arc_c > arc_c_max) + arc_c = arc_c_max; + else if (state == arc_anon) + atomic_add_64(&arc_p, (int64_t)bytes); + if (arc_p > arc_c) + arc_p = arc_c; + } + ASSERT((int64_t)arc_p >= 0); +} + +/* + * Check if arc_size has grown past our upper threshold, determined by + * zfs_arc_overflow_shift. + */ +static boolean_t +arc_is_overflowing(void) +{ + /* Always allow at least one block of overflow */ + uint64_t overflow = MAX(SPA_MAXBLOCKSIZE, + arc_c >> zfs_arc_overflow_shift); + + return (arc_size >= arc_c + overflow); +} + +/* + * The buffer, supplied as the first argument, needs a data block. If we + * are hitting the hard limit for the cache size, we must sleep, waiting + * for the eviction thread to catch up. If we're past the target size + * but below the hard limit, we'll only signal the reclaim thread and + * continue on. + */ +static void +arc_get_data_buf(arc_buf_t *buf) +{ + arc_state_t *state = buf->b_hdr->b_l1hdr.b_state; + uint64_t size = buf->b_hdr->b_size; + arc_buf_contents_t type = arc_buf_type(buf->b_hdr); + + arc_adapt(size, state); + + /* + * If arc_size is currently overflowing, and has grown past our + * upper limit, we must be adding data faster than the evict + * thread can evict. Thus, to ensure we don't compound the + * problem by adding more data and forcing arc_size to grow even + * further past it's target size, we halt and wait for the + * eviction thread to catch up. + * + * It's also possible that the reclaim thread is unable to evict + * enough buffers to get arc_size below the overflow limit (e.g. + * due to buffers being un-evictable, or hash lock collisions). + * In this case, we want to proceed regardless if we're + * overflowing; thus we don't use a while loop here. + */ + if (arc_is_overflowing()) { + mutex_enter(&arc_reclaim_lock); + + /* + * Now that we've acquired the lock, we may no longer be + * over the overflow limit, lets check. + * + * We're ignoring the case of spurious wake ups. If that + * were to happen, it'd let this thread consume an ARC + * buffer before it should have (i.e. before we're under + * the overflow limit and were signalled by the reclaim + * thread). As long as that is a rare occurrence, it + * shouldn't cause any harm. + */ + if (arc_is_overflowing()) { + cv_signal(&arc_reclaim_thread_cv); + cv_wait(&arc_reclaim_waiters_cv, &arc_reclaim_lock); + } + + mutex_exit(&arc_reclaim_lock); + } + + if (type == ARC_BUFC_METADATA) { + buf->b_data = zio_buf_alloc(size); + arc_space_consume(size, ARC_SPACE_META); + } else { + ASSERT(type == ARC_BUFC_DATA); + buf->b_data = zio_data_buf_alloc(size); + arc_space_consume(size, ARC_SPACE_DATA); + } + + /* + * Update the state size. Note that ghost states have a + * "ghost size" and so don't need to be updated. + */ + if (!GHOST_STATE(buf->b_hdr->b_l1hdr.b_state)) { + arc_buf_hdr_t *hdr = buf->b_hdr; + arc_state_t *state = hdr->b_l1hdr.b_state; + + (void) refcount_add_many(&state->arcs_size, size, buf); + + /* + * If this is reached via arc_read, the link is + * protected by the hash lock. If reached via + * arc_buf_alloc, the header should not be accessed by + * any other thread. And, if reached via arc_read_done, + * the hash lock will protect it if it's found in the + * hash table; otherwise no other thread should be + * trying to [add|remove]_reference it. + */ + if (multilist_link_active(&hdr->b_l1hdr.b_arc_node)) { + ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + atomic_add_64(&hdr->b_l1hdr.b_state->arcs_lsize[type], + size); + } + /* + * If we are growing the cache, and we are adding anonymous + * data, and we have outgrown arc_p, update arc_p + */ + if (arc_size < arc_c && hdr->b_l1hdr.b_state == arc_anon && + (refcount_count(&arc_anon->arcs_size) + + refcount_count(&arc_mru->arcs_size) > arc_p)) + arc_p = MIN(arc_c, arc_p + size); + } +} + +/* + * This routine is called whenever a buffer is accessed. + * NOTE: the hash lock is dropped in this function. + */ +static void +arc_access(arc_buf_hdr_t *hdr, kmutex_t *hash_lock) +{ + clock_t now; + + ASSERT(MUTEX_HELD(hash_lock)); + ASSERT(HDR_HAS_L1HDR(hdr)); + + if (hdr->b_l1hdr.b_state == arc_anon) { + /* + * This buffer is not in the cache, and does not + * appear in our "ghost" list. Add the new buffer + * to the MRU state. + */ + + ASSERT0(hdr->b_l1hdr.b_arc_access); + hdr->b_l1hdr.b_arc_access = ddi_get_lbolt(); + DTRACE_PROBE1(new_state__mru, arc_buf_hdr_t *, hdr); + arc_change_state(arc_mru, hdr, hash_lock); + + } else if (hdr->b_l1hdr.b_state == arc_mru) { + now = ddi_get_lbolt(); + + /* + * If this buffer is here because of a prefetch, then either: + * - clear the flag if this is a "referencing" read + * (any subsequent access will bump this into the MFU state). + * or + * - move the buffer to the head of the list if this is + * another prefetch (to make it less likely to be evicted). + */ + if (HDR_PREFETCH(hdr)) { + if (refcount_count(&hdr->b_l1hdr.b_refcnt) == 0) { + /* link protected by hash lock */ + ASSERT(multilist_link_active( + &hdr->b_l1hdr.b_arc_node)); + } else { + hdr->b_flags &= ~ARC_FLAG_PREFETCH; + atomic_inc_32(&hdr->b_l1hdr.b_mru_hits); + ARCSTAT_BUMP(arcstat_mru_hits); + } + hdr->b_l1hdr.b_arc_access = now; + return; + } + + /* + * This buffer has been "accessed" only once so far, + * but it is still in the cache. Move it to the MFU + * state. + */ + if (ddi_time_after(now, hdr->b_l1hdr.b_arc_access + + ARC_MINTIME)) { + /* + * More than 125ms have passed since we + * instantiated this buffer. Move it to the + * most frequently used state. + */ + hdr->b_l1hdr.b_arc_access = now; + DTRACE_PROBE1(new_state__mfu, arc_buf_hdr_t *, hdr); + arc_change_state(arc_mfu, hdr, hash_lock); + } + atomic_inc_32(&hdr->b_l1hdr.b_mru_hits); + ARCSTAT_BUMP(arcstat_mru_hits); + } else if (hdr->b_l1hdr.b_state == arc_mru_ghost) { + arc_state_t *new_state; + /* + * This buffer has been "accessed" recently, but + * was evicted from the cache. Move it to the + * MFU state. + */ + + if (HDR_PREFETCH(hdr)) { + new_state = arc_mru; + if (refcount_count(&hdr->b_l1hdr.b_refcnt) > 0) + hdr->b_flags &= ~ARC_FLAG_PREFETCH; + DTRACE_PROBE1(new_state__mru, arc_buf_hdr_t *, hdr); + } else { + new_state = arc_mfu; + DTRACE_PROBE1(new_state__mfu, arc_buf_hdr_t *, hdr); + } + + hdr->b_l1hdr.b_arc_access = ddi_get_lbolt(); + arc_change_state(new_state, hdr, hash_lock); + + atomic_inc_32(&hdr->b_l1hdr.b_mru_ghost_hits); + ARCSTAT_BUMP(arcstat_mru_ghost_hits); + } else if (hdr->b_l1hdr.b_state == arc_mfu) { + /* + * This buffer has been accessed more than once and is + * still in the cache. Keep it in the MFU state. + * + * NOTE: an add_reference() that occurred when we did + * the arc_read() will have kicked this off the list. + * If it was a prefetch, we will explicitly move it to + * the head of the list now. + */ + if ((HDR_PREFETCH(hdr)) != 0) { + ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + /* link protected by hash_lock */ + ASSERT(multilist_link_active(&hdr->b_l1hdr.b_arc_node)); + } + atomic_inc_32(&hdr->b_l1hdr.b_mfu_hits); + ARCSTAT_BUMP(arcstat_mfu_hits); + hdr->b_l1hdr.b_arc_access = ddi_get_lbolt(); + } else if (hdr->b_l1hdr.b_state == arc_mfu_ghost) { + arc_state_t *new_state = arc_mfu; + /* + * This buffer has been accessed more than once but has + * been evicted from the cache. Move it back to the + * MFU state. + */ + + if (HDR_PREFETCH(hdr)) { + /* + * This is a prefetch access... + * move this block back to the MRU state. + */ + ASSERT0(refcount_count(&hdr->b_l1hdr.b_refcnt)); + new_state = arc_mru; + } + + hdr->b_l1hdr.b_arc_access = ddi_get_lbolt(); + DTRACE_PROBE1(new_state__mfu, arc_buf_hdr_t *, hdr); + arc_change_state(new_state, hdr, hash_lock); + + atomic_inc_32(&hdr->b_l1hdr.b_mfu_ghost_hits); + ARCSTAT_BUMP(arcstat_mfu_ghost_hits); + } else if (hdr->b_l1hdr.b_state == arc_l2c_only) { + /* + * This buffer is on the 2nd Level ARC. + */ + + hdr->b_l1hdr.b_arc_access = ddi_get_lbolt(); + DTRACE_PROBE1(new_state__mfu, arc_buf_hdr_t *, hdr); + arc_change_state(arc_mfu, hdr, hash_lock); + } else { + cmn_err(CE_PANIC, "invalid arc state 0x%p", + hdr->b_l1hdr.b_state); + } +} + +/* a generic arc_done_func_t which you can use */ +/* ARGSUSED */ +void +arc_bcopy_func(zio_t *zio, arc_buf_t *buf, void *arg) +{ + if (zio == NULL || zio->io_error == 0) + bcopy(buf->b_data, arg, buf->b_hdr->b_size); + VERIFY(arc_buf_remove_ref(buf, arg)); +} + +/* a generic arc_done_func_t */ +void +arc_getbuf_func(zio_t *zio, arc_buf_t *buf, void *arg) +{ + arc_buf_t **bufp = arg; + if (zio && zio->io_error) { + VERIFY(arc_buf_remove_ref(buf, arg)); + *bufp = NULL; + } else { + *bufp = buf; + ASSERT(buf->b_data); + } +} + +static void +arc_read_done(zio_t *zio) +{ + arc_buf_hdr_t *hdr; + arc_buf_t *buf; + arc_buf_t *abuf; /* buffer we're assigning to callback */ + kmutex_t *hash_lock = NULL; + arc_callback_t *callback_list, *acb; + int freeable = FALSE; + + buf = zio->io_private; + hdr = buf->b_hdr; + + /* + * The hdr was inserted into hash-table and removed from lists + * prior to starting I/O. We should find this header, since + * it's in the hash table, and it should be legit since it's + * not possible to evict it during the I/O. The only possible + * reason for it not to be found is if we were freed during the + * read. + */ + if (HDR_IN_HASH_TABLE(hdr)) { + arc_buf_hdr_t *found; + + ASSERT3U(hdr->b_birth, ==, BP_PHYSICAL_BIRTH(zio->io_bp)); + ASSERT3U(hdr->b_dva.dva_word[0], ==, + BP_IDENTITY(zio->io_bp)->dva_word[0]); + ASSERT3U(hdr->b_dva.dva_word[1], ==, + BP_IDENTITY(zio->io_bp)->dva_word[1]); + + found = buf_hash_find(hdr->b_spa, zio->io_bp, + &hash_lock); + + ASSERT((found == NULL && HDR_FREED_IN_READ(hdr) && + hash_lock == NULL) || + (found == hdr && + DVA_EQUAL(&hdr->b_dva, BP_IDENTITY(zio->io_bp))) || + (found == hdr && HDR_L2_READING(hdr))); + } + + hdr->b_flags &= ~ARC_FLAG_L2_EVICTED; + if (l2arc_noprefetch && HDR_PREFETCH(hdr)) + hdr->b_flags &= ~ARC_FLAG_L2CACHE; + + /* byteswap if necessary */ + callback_list = hdr->b_l1hdr.b_acb; + ASSERT(callback_list != NULL); + if (BP_SHOULD_BYTESWAP(zio->io_bp) && zio->io_error == 0) { + dmu_object_byteswap_t bswap = + DMU_OT_BYTESWAP(BP_GET_TYPE(zio->io_bp)); + if (BP_GET_LEVEL(zio->io_bp) > 0) + byteswap_uint64_array(buf->b_data, hdr->b_size); + else + dmu_ot_byteswap[bswap].ob_func(buf->b_data, hdr->b_size); + } + + arc_cksum_compute(buf, B_FALSE); + arc_buf_watch(buf); + + if (hash_lock && zio->io_error == 0 && + hdr->b_l1hdr.b_state == arc_anon) { + /* + * Only call arc_access on anonymous buffers. This is because + * if we've issued an I/O for an evicted buffer, we've already + * called arc_access (to prevent any simultaneous readers from + * getting confused). + */ + arc_access(hdr, hash_lock); + } + + /* create copies of the data buffer for the callers */ + abuf = buf; + for (acb = callback_list; acb; acb = acb->acb_next) { + if (acb->acb_done) { + if (abuf == NULL) { + ARCSTAT_BUMP(arcstat_duplicate_reads); + abuf = arc_buf_clone(buf); + } + acb->acb_buf = abuf; + abuf = NULL; + } + } + hdr->b_l1hdr.b_acb = NULL; + hdr->b_flags &= ~ARC_FLAG_IO_IN_PROGRESS; + ASSERT(!HDR_BUF_AVAILABLE(hdr)); + if (abuf == buf) { + ASSERT(buf->b_efunc == NULL); + ASSERT(hdr->b_l1hdr.b_datacnt == 1); + hdr->b_flags |= ARC_FLAG_BUF_AVAILABLE; + } + + ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt) || + callback_list != NULL); + + if (zio->io_error != 0) { + hdr->b_flags |= ARC_FLAG_IO_ERROR; + if (hdr->b_l1hdr.b_state != arc_anon) + arc_change_state(arc_anon, hdr, hash_lock); + if (HDR_IN_HASH_TABLE(hdr)) + buf_hash_remove(hdr); + freeable = refcount_is_zero(&hdr->b_l1hdr.b_refcnt); + } + + /* + * Broadcast before we drop the hash_lock to avoid the possibility + * that the hdr (and hence the cv) might be freed before we get to + * the cv_broadcast(). + */ + cv_broadcast(&hdr->b_l1hdr.b_cv); + + if (hash_lock != NULL) { + mutex_exit(hash_lock); + } else { + /* + * This block was freed while we waited for the read to + * complete. It has been removed from the hash table and + * moved to the anonymous state (so that it won't show up + * in the cache). + */ + ASSERT3P(hdr->b_l1hdr.b_state, ==, arc_anon); + freeable = refcount_is_zero(&hdr->b_l1hdr.b_refcnt); + } + + /* execute each callback and free its structure */ + while ((acb = callback_list) != NULL) { + if (acb->acb_done) + acb->acb_done(zio, acb->acb_buf, acb->acb_private); + + if (acb->acb_zio_dummy != NULL) { + acb->acb_zio_dummy->io_error = zio->io_error; + zio_nowait(acb->acb_zio_dummy); + } + + callback_list = acb->acb_next; + kmem_free(acb, sizeof (arc_callback_t)); + } + + if (freeable) + arc_hdr_destroy(hdr); +} + +/* + * "Read" the block at the specified DVA (in bp) via the + * cache. If the block is found in the cache, invoke the provided + * callback immediately and return. Note that the `zio' parameter + * in the callback will be NULL in this case, since no IO was + * required. If the block is not in the cache pass the read request + * on to the spa with a substitute callback function, so that the + * requested block will be added to the cache. + * + * If a read request arrives for a block that has a read in-progress, + * either wait for the in-progress read to complete (and return the + * results); or, if this is a read with a "done" func, add a record + * to the read to invoke the "done" func when the read completes, + * and return; or just return. + * + * arc_read_done() will invoke all the requested "done" functions + * for readers of this block. + */ +int +arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_done_func_t *done, + void *private, zio_priority_t priority, int zio_flags, + arc_flags_t *arc_flags, const zbookmark_phys_t *zb) +{ + arc_buf_hdr_t *hdr = NULL; + arc_buf_t *buf = NULL; + kmutex_t *hash_lock = NULL; + zio_t *rzio; + uint64_t guid = spa_load_guid(spa); + int rc = 0; + + ASSERT(!BP_IS_EMBEDDED(bp) || + BPE_GET_ETYPE(bp) == BP_EMBEDDED_TYPE_DATA); + +top: + if (!BP_IS_EMBEDDED(bp)) { + /* + * Embedded BP's have no DVA and require no I/O to "read". + * Create an anonymous arc buf to back it. + */ + hdr = buf_hash_find(guid, bp, &hash_lock); + } + + if (hdr != NULL && HDR_HAS_L1HDR(hdr) && hdr->b_l1hdr.b_datacnt > 0) { + + *arc_flags |= ARC_FLAG_CACHED; + + if (HDR_IO_IN_PROGRESS(hdr)) { + + if (*arc_flags & ARC_FLAG_WAIT) { + cv_wait(&hdr->b_l1hdr.b_cv, hash_lock); + mutex_exit(hash_lock); + goto top; + } + ASSERT(*arc_flags & ARC_FLAG_NOWAIT); + + if (done) { + arc_callback_t *acb = NULL; + + acb = kmem_zalloc(sizeof (arc_callback_t), + KM_SLEEP); + acb->acb_done = done; + acb->acb_private = private; + if (pio != NULL) + acb->acb_zio_dummy = zio_null(pio, + spa, NULL, NULL, NULL, zio_flags); + + ASSERT(acb->acb_done != NULL); + acb->acb_next = hdr->b_l1hdr.b_acb; + hdr->b_l1hdr.b_acb = acb; + add_reference(hdr, hash_lock, private); + mutex_exit(hash_lock); + goto out; + } + mutex_exit(hash_lock); + goto out; + } + + ASSERT(hdr->b_l1hdr.b_state == arc_mru || + hdr->b_l1hdr.b_state == arc_mfu); + + if (done) { + add_reference(hdr, hash_lock, private); + /* + * If this block is already in use, create a new + * copy of the data so that we will be guaranteed + * that arc_release() will always succeed. + */ + buf = hdr->b_l1hdr.b_buf; + ASSERT(buf); + ASSERT(buf->b_data); + if (HDR_BUF_AVAILABLE(hdr)) { + ASSERT(buf->b_efunc == NULL); + hdr->b_flags &= ~ARC_FLAG_BUF_AVAILABLE; + } else { + buf = arc_buf_clone(buf); + } + + } else if (*arc_flags & ARC_FLAG_PREFETCH && + refcount_count(&hdr->b_l1hdr.b_refcnt) == 0) { + hdr->b_flags |= ARC_FLAG_PREFETCH; + } + DTRACE_PROBE1(arc__hit, arc_buf_hdr_t *, hdr); + arc_access(hdr, hash_lock); + if (*arc_flags & ARC_FLAG_L2CACHE) + hdr->b_flags |= ARC_FLAG_L2CACHE; + if (*arc_flags & ARC_FLAG_L2COMPRESS) + hdr->b_flags |= ARC_FLAG_L2COMPRESS; + mutex_exit(hash_lock); + ARCSTAT_BUMP(arcstat_hits); + ARCSTAT_CONDSTAT(!HDR_PREFETCH(hdr), + demand, prefetch, !HDR_ISTYPE_METADATA(hdr), + data, metadata, hits); + + if (done) + done(NULL, buf, private); + } else { + uint64_t size = BP_GET_LSIZE(bp); + arc_callback_t *acb; + vdev_t *vd = NULL; + uint64_t addr = 0; + boolean_t devw = B_FALSE; + enum zio_compress b_compress = ZIO_COMPRESS_OFF; + int32_t b_asize = 0; + + /* + * Gracefully handle a damaged logical block size as a + * checksum error. + */ + if (size > spa_maxblocksize(spa)) { + ASSERT3P(buf, ==, NULL); + rc = SET_ERROR(ECKSUM); + goto out; + } + + if (hdr == NULL) { + /* this block is not in the cache */ + arc_buf_hdr_t *exists = NULL; + arc_buf_contents_t type = BP_GET_BUFC_TYPE(bp); + buf = arc_buf_alloc(spa, size, private, type); + hdr = buf->b_hdr; + if (!BP_IS_EMBEDDED(bp)) { + hdr->b_dva = *BP_IDENTITY(bp); + hdr->b_birth = BP_PHYSICAL_BIRTH(bp); + exists = buf_hash_insert(hdr, &hash_lock); + } + if (exists != NULL) { + /* somebody beat us to the hash insert */ + mutex_exit(hash_lock); + buf_discard_identity(hdr); + (void) arc_buf_remove_ref(buf, private); + goto top; /* restart the IO request */ + } + + /* if this is a prefetch, we don't have a reference */ + if (*arc_flags & ARC_FLAG_PREFETCH) { + (void) remove_reference(hdr, hash_lock, + private); + hdr->b_flags |= ARC_FLAG_PREFETCH; + } + if (*arc_flags & ARC_FLAG_L2CACHE) + hdr->b_flags |= ARC_FLAG_L2CACHE; + if (*arc_flags & ARC_FLAG_L2COMPRESS) + hdr->b_flags |= ARC_FLAG_L2COMPRESS; + if (BP_GET_LEVEL(bp) > 0) + hdr->b_flags |= ARC_FLAG_INDIRECT; + } else { + /* + * This block is in the ghost cache. If it was L2-only + * (and thus didn't have an L1 hdr), we realloc the + * header to add an L1 hdr. + */ + if (!HDR_HAS_L1HDR(hdr)) { + hdr = arc_hdr_realloc(hdr, hdr_l2only_cache, + hdr_full_cache); + } + + ASSERT(GHOST_STATE(hdr->b_l1hdr.b_state)); + ASSERT(!HDR_IO_IN_PROGRESS(hdr)); + ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT3P(hdr->b_l1hdr.b_buf, ==, NULL); + + /* if this is a prefetch, we don't have a reference */ + if (*arc_flags & ARC_FLAG_PREFETCH) + hdr->b_flags |= ARC_FLAG_PREFETCH; + else + add_reference(hdr, hash_lock, private); + if (*arc_flags & ARC_FLAG_L2CACHE) + hdr->b_flags |= ARC_FLAG_L2CACHE; + if (*arc_flags & ARC_FLAG_L2COMPRESS) + hdr->b_flags |= ARC_FLAG_L2COMPRESS; + buf = kmem_cache_alloc(buf_cache, KM_PUSHPAGE); + buf->b_hdr = hdr; + buf->b_data = NULL; + buf->b_efunc = NULL; + buf->b_private = NULL; + buf->b_next = NULL; + hdr->b_l1hdr.b_buf = buf; + ASSERT0(hdr->b_l1hdr.b_datacnt); + hdr->b_l1hdr.b_datacnt = 1; + arc_get_data_buf(buf); + arc_access(hdr, hash_lock); + } + + ASSERT(!GHOST_STATE(hdr->b_l1hdr.b_state)); + + acb = kmem_zalloc(sizeof (arc_callback_t), KM_SLEEP); + acb->acb_done = done; + acb->acb_private = private; + + ASSERT(hdr->b_l1hdr.b_acb == NULL); + hdr->b_l1hdr.b_acb = acb; + hdr->b_flags |= ARC_FLAG_IO_IN_PROGRESS; + + if (HDR_HAS_L2HDR(hdr) && + (vd = hdr->b_l2hdr.b_dev->l2ad_vdev) != NULL) { + devw = hdr->b_l2hdr.b_dev->l2ad_writing; + addr = hdr->b_l2hdr.b_daddr; + b_compress = hdr->b_l2hdr.b_compress; + b_asize = hdr->b_l2hdr.b_asize; + /* + * Lock out device removal. + */ + if (vdev_is_dead(vd) || + !spa_config_tryenter(spa, SCL_L2ARC, vd, RW_READER)) + vd = NULL; + } + + if (hash_lock != NULL) + mutex_exit(hash_lock); + + /* + * At this point, we have a level 1 cache miss. Try again in + * L2ARC if possible. + */ + ASSERT3U(hdr->b_size, ==, size); + DTRACE_PROBE4(arc__miss, arc_buf_hdr_t *, hdr, blkptr_t *, bp, + uint64_t, size, zbookmark_phys_t *, zb); + ARCSTAT_BUMP(arcstat_misses); + ARCSTAT_CONDSTAT(!HDR_PREFETCH(hdr), + demand, prefetch, !HDR_ISTYPE_METADATA(hdr), + data, metadata, misses); + + if (vd != NULL && l2arc_ndev != 0 && !(l2arc_norw && devw)) { + /* + * Read from the L2ARC if the following are true: + * 1. The L2ARC vdev was previously cached. + * 2. This buffer still has L2ARC metadata. + * 3. This buffer isn't currently writing to the L2ARC. + * 4. The L2ARC entry wasn't evicted, which may + * also have invalidated the vdev. + * 5. This isn't prefetch and l2arc_noprefetch is set. + */ + if (HDR_HAS_L2HDR(hdr) && + !HDR_L2_WRITING(hdr) && !HDR_L2_EVICTED(hdr) && + !(l2arc_noprefetch && HDR_PREFETCH(hdr))) { + l2arc_read_callback_t *cb; + + DTRACE_PROBE1(l2arc__hit, arc_buf_hdr_t *, hdr); + ARCSTAT_BUMP(arcstat_l2_hits); + atomic_inc_32(&hdr->b_l2hdr.b_hits); + + cb = kmem_zalloc(sizeof (l2arc_read_callback_t), + KM_SLEEP); + cb->l2rcb_buf = buf; + cb->l2rcb_spa = spa; + cb->l2rcb_bp = *bp; + cb->l2rcb_zb = *zb; + cb->l2rcb_flags = zio_flags; + cb->l2rcb_compress = b_compress; + + ASSERT(addr >= VDEV_LABEL_START_SIZE && + addr + size < vd->vdev_psize - + VDEV_LABEL_END_SIZE); + + /* + * l2arc read. The SCL_L2ARC lock will be + * released by l2arc_read_done(). + * Issue a null zio if the underlying buffer + * was squashed to zero size by compression. + */ + if (b_compress == ZIO_COMPRESS_EMPTY) { + rzio = zio_null(pio, spa, vd, + l2arc_read_done, cb, + zio_flags | ZIO_FLAG_DONT_CACHE | + ZIO_FLAG_CANFAIL | + ZIO_FLAG_DONT_PROPAGATE | + ZIO_FLAG_DONT_RETRY); + } else { + rzio = zio_read_phys(pio, vd, addr, + b_asize, buf->b_data, + ZIO_CHECKSUM_OFF, + l2arc_read_done, cb, priority, + zio_flags | ZIO_FLAG_DONT_CACHE | + ZIO_FLAG_CANFAIL | + ZIO_FLAG_DONT_PROPAGATE | + ZIO_FLAG_DONT_RETRY, B_FALSE); + } + DTRACE_PROBE2(l2arc__read, vdev_t *, vd, + zio_t *, rzio); + ARCSTAT_INCR(arcstat_l2_read_bytes, b_asize); + + if (*arc_flags & ARC_FLAG_NOWAIT) { + zio_nowait(rzio); + goto out; + } + + ASSERT(*arc_flags & ARC_FLAG_WAIT); + if (zio_wait(rzio) == 0) + goto out; + + /* l2arc read error; goto zio_read() */ + } else { + DTRACE_PROBE1(l2arc__miss, + arc_buf_hdr_t *, hdr); + ARCSTAT_BUMP(arcstat_l2_misses); + if (HDR_L2_WRITING(hdr)) + ARCSTAT_BUMP(arcstat_l2_rw_clash); + spa_config_exit(spa, SCL_L2ARC, vd); + } + } else { + if (vd != NULL) + spa_config_exit(spa, SCL_L2ARC, vd); + if (l2arc_ndev != 0) { + DTRACE_PROBE1(l2arc__miss, + arc_buf_hdr_t *, hdr); + ARCSTAT_BUMP(arcstat_l2_misses); + } + } + + rzio = zio_read(pio, spa, bp, buf->b_data, size, + arc_read_done, buf, priority, zio_flags, zb); + + if (*arc_flags & ARC_FLAG_WAIT) { + rc = zio_wait(rzio); + goto out; + } + + ASSERT(*arc_flags & ARC_FLAG_NOWAIT); + zio_nowait(rzio); + } + +out: + spa_read_history_add(spa, zb, *arc_flags); + return (rc); +} + +arc_prune_t * +arc_add_prune_callback(arc_prune_func_t *func, void *private) +{ + arc_prune_t *p; + + p = kmem_alloc(sizeof (*p), KM_SLEEP); + p->p_pfunc = func; + p->p_private = private; + list_link_init(&p->p_node); + refcount_create(&p->p_refcnt); + + mutex_enter(&arc_prune_mtx); + refcount_add(&p->p_refcnt, &arc_prune_list); + list_insert_head(&arc_prune_list, p); + mutex_exit(&arc_prune_mtx); + + return (p); +} + +void +arc_remove_prune_callback(arc_prune_t *p) +{ + boolean_t wait = B_FALSE; + mutex_enter(&arc_prune_mtx); + list_remove(&arc_prune_list, p); + if (refcount_remove(&p->p_refcnt, &arc_prune_list) > 0) + wait = B_TRUE; + mutex_exit(&arc_prune_mtx); + + /* wait for arc_prune_task to finish */ + if (wait) + taskq_wait_outstanding(arc_prune_taskq, 0); + ASSERT0(refcount_count(&p->p_refcnt)); + refcount_destroy(&p->p_refcnt); + kmem_free(p, sizeof (*p)); +} + +void +arc_set_callback(arc_buf_t *buf, arc_evict_func_t *func, void *private) +{ + ASSERT(buf->b_hdr != NULL); + ASSERT(buf->b_hdr->b_l1hdr.b_state != arc_anon); + ASSERT(!refcount_is_zero(&buf->b_hdr->b_l1hdr.b_refcnt) || + func == NULL); + ASSERT(buf->b_efunc == NULL); + ASSERT(!HDR_BUF_AVAILABLE(buf->b_hdr)); + + buf->b_efunc = func; + buf->b_private = private; +} + +/* + * Notify the arc that a block was freed, and thus will never be used again. + */ +void +arc_freed(spa_t *spa, const blkptr_t *bp) +{ + arc_buf_hdr_t *hdr; + kmutex_t *hash_lock; + uint64_t guid = spa_load_guid(spa); + + ASSERT(!BP_IS_EMBEDDED(bp)); + + hdr = buf_hash_find(guid, bp, &hash_lock); + if (hdr == NULL) + return; + if (HDR_BUF_AVAILABLE(hdr)) { + arc_buf_t *buf = hdr->b_l1hdr.b_buf; + add_reference(hdr, hash_lock, FTAG); + hdr->b_flags &= ~ARC_FLAG_BUF_AVAILABLE; + mutex_exit(hash_lock); + + arc_release(buf, FTAG); + (void) arc_buf_remove_ref(buf, FTAG); + } else { + mutex_exit(hash_lock); + } + +} + +/* + * Clear the user eviction callback set by arc_set_callback(), first calling + * it if it exists. Because the presence of a callback keeps an arc_buf cached + * clearing the callback may result in the arc_buf being destroyed. However, + * it will not result in the *last* arc_buf being destroyed, hence the data + * will remain cached in the ARC. We make a copy of the arc buffer here so + * that we can process the callback without holding any locks. + * + * It's possible that the callback is already in the process of being cleared + * by another thread. In this case we can not clear the callback. + * + * Returns B_TRUE if the callback was successfully called and cleared. + */ +boolean_t +arc_clear_callback(arc_buf_t *buf) +{ + arc_buf_hdr_t *hdr; + kmutex_t *hash_lock; + arc_evict_func_t *efunc = buf->b_efunc; + void *private = buf->b_private; + + mutex_enter(&buf->b_evict_lock); + hdr = buf->b_hdr; + if (hdr == NULL) { + /* + * We are in arc_do_user_evicts(). + */ + ASSERT(buf->b_data == NULL); + mutex_exit(&buf->b_evict_lock); + return (B_FALSE); + } else if (buf->b_data == NULL) { + /* + * We are on the eviction list; process this buffer now + * but let arc_do_user_evicts() do the reaping. + */ + buf->b_efunc = NULL; + mutex_exit(&buf->b_evict_lock); + VERIFY0(efunc(private)); + return (B_TRUE); + } + hash_lock = HDR_LOCK(hdr); + mutex_enter(hash_lock); + hdr = buf->b_hdr; + ASSERT3P(hash_lock, ==, HDR_LOCK(hdr)); + + ASSERT3U(refcount_count(&hdr->b_l1hdr.b_refcnt), <, + hdr->b_l1hdr.b_datacnt); + ASSERT(hdr->b_l1hdr.b_state == arc_mru || + hdr->b_l1hdr.b_state == arc_mfu); + + buf->b_efunc = NULL; + buf->b_private = NULL; + + if (hdr->b_l1hdr.b_datacnt > 1) { + mutex_exit(&buf->b_evict_lock); + arc_buf_destroy(buf, TRUE); + } else { + ASSERT(buf == hdr->b_l1hdr.b_buf); + hdr->b_flags |= ARC_FLAG_BUF_AVAILABLE; + mutex_exit(&buf->b_evict_lock); + } + + mutex_exit(hash_lock); + VERIFY0(efunc(private)); + return (B_TRUE); +} + +/* + * Release this buffer from the cache, making it an anonymous buffer. This + * must be done after a read and prior to modifying the buffer contents. + * If the buffer has more than one reference, we must make + * a new hdr for the buffer. + */ +void +arc_release(arc_buf_t *buf, void *tag) +{ + kmutex_t *hash_lock; + arc_state_t *state; + arc_buf_hdr_t *hdr = buf->b_hdr; + + /* + * It would be nice to assert that if its DMU metadata (level > + * 0 || it's the dnode file), then it must be syncing context. + * But we don't know that information at this level. + */ + + mutex_enter(&buf->b_evict_lock); + + ASSERT(HDR_HAS_L1HDR(hdr)); + + /* + * We don't grab the hash lock prior to this check, because if + * the buffer's header is in the arc_anon state, it won't be + * linked into the hash table. + */ + if (hdr->b_l1hdr.b_state == arc_anon) { + mutex_exit(&buf->b_evict_lock); + ASSERT(!HDR_IO_IN_PROGRESS(hdr)); + ASSERT(!HDR_IN_HASH_TABLE(hdr)); + ASSERT(!HDR_HAS_L2HDR(hdr)); + ASSERT(BUF_EMPTY(hdr)); + + ASSERT3U(hdr->b_l1hdr.b_datacnt, ==, 1); + ASSERT3S(refcount_count(&hdr->b_l1hdr.b_refcnt), ==, 1); + ASSERT(!list_link_active(&hdr->b_l1hdr.b_arc_node)); + + ASSERT3P(buf->b_efunc, ==, NULL); + ASSERT3P(buf->b_private, ==, NULL); + + hdr->b_l1hdr.b_arc_access = 0; + arc_buf_thaw(buf); + + return; + } + + hash_lock = HDR_LOCK(hdr); + mutex_enter(hash_lock); + + /* + * This assignment is only valid as long as the hash_lock is + * held, we must be careful not to reference state or the + * b_state field after dropping the lock. + */ + state = hdr->b_l1hdr.b_state; + ASSERT3P(hash_lock, ==, HDR_LOCK(hdr)); + ASSERT3P(state, !=, arc_anon); + + /* this buffer is not on any list */ + ASSERT(refcount_count(&hdr->b_l1hdr.b_refcnt) > 0); + + if (HDR_HAS_L2HDR(hdr)) { + mutex_enter(&hdr->b_l2hdr.b_dev->l2ad_mtx); + + /* + * We have to recheck this conditional again now that + * we're holding the l2ad_mtx to prevent a race with + * another thread which might be concurrently calling + * l2arc_evict(). In that case, l2arc_evict() might have + * destroyed the header's L2 portion as we were waiting + * to acquire the l2ad_mtx. + */ + if (HDR_HAS_L2HDR(hdr)) + arc_hdr_l2hdr_destroy(hdr); + + mutex_exit(&hdr->b_l2hdr.b_dev->l2ad_mtx); + } + + /* + * Do we have more than one buf? + */ + if (hdr->b_l1hdr.b_datacnt > 1) { + arc_buf_hdr_t *nhdr; + arc_buf_t **bufp; + uint64_t blksz = hdr->b_size; + uint64_t spa = hdr->b_spa; + arc_buf_contents_t type = arc_buf_type(hdr); + uint32_t flags = hdr->b_flags; + + ASSERT(hdr->b_l1hdr.b_buf != buf || buf->b_next != NULL); + /* + * Pull the data off of this hdr and attach it to + * a new anonymous hdr. + */ + (void) remove_reference(hdr, hash_lock, tag); + bufp = &hdr->b_l1hdr.b_buf; + while (*bufp != buf) + bufp = &(*bufp)->b_next; + *bufp = buf->b_next; + buf->b_next = NULL; + + ASSERT3P(state, !=, arc_l2c_only); + + (void) refcount_remove_many( + &state->arcs_size, hdr->b_size, buf); + + if (refcount_is_zero(&hdr->b_l1hdr.b_refcnt)) { + uint64_t *size; + + ASSERT3P(state, !=, arc_l2c_only); + size = &state->arcs_lsize[type]; + ASSERT3U(*size, >=, hdr->b_size); + atomic_add_64(size, -hdr->b_size); + } + + /* + * We're releasing a duplicate user data buffer, update + * our statistics accordingly. + */ + if (HDR_ISTYPE_DATA(hdr)) { + ARCSTAT_BUMPDOWN(arcstat_duplicate_buffers); + ARCSTAT_INCR(arcstat_duplicate_buffers_size, + -hdr->b_size); + } + hdr->b_l1hdr.b_datacnt -= 1; + arc_cksum_verify(buf); + arc_buf_unwatch(buf); + + mutex_exit(hash_lock); + + nhdr = kmem_cache_alloc(hdr_full_cache, KM_PUSHPAGE); + nhdr->b_size = blksz; + nhdr->b_spa = spa; + + nhdr->b_l1hdr.b_mru_hits = 0; + nhdr->b_l1hdr.b_mru_ghost_hits = 0; + nhdr->b_l1hdr.b_mfu_hits = 0; + nhdr->b_l1hdr.b_mfu_ghost_hits = 0; + nhdr->b_l1hdr.b_l2_hits = 0; + nhdr->b_flags = flags & ARC_FLAG_L2_WRITING; + nhdr->b_flags |= arc_bufc_to_flags(type); + nhdr->b_flags |= ARC_FLAG_HAS_L1HDR; + + nhdr->b_l1hdr.b_buf = buf; + nhdr->b_l1hdr.b_datacnt = 1; + nhdr->b_l1hdr.b_state = arc_anon; + nhdr->b_l1hdr.b_arc_access = 0; + nhdr->b_l1hdr.b_tmp_cdata = NULL; + nhdr->b_freeze_cksum = NULL; + + (void) refcount_add(&nhdr->b_l1hdr.b_refcnt, tag); + buf->b_hdr = nhdr; + mutex_exit(&buf->b_evict_lock); + (void) refcount_add_many(&arc_anon->arcs_size, blksz, buf); + } else { + mutex_exit(&buf->b_evict_lock); + ASSERT(refcount_count(&hdr->b_l1hdr.b_refcnt) == 1); + /* protected by hash lock, or hdr is on arc_anon */ + ASSERT(!multilist_link_active(&hdr->b_l1hdr.b_arc_node)); + ASSERT(!HDR_IO_IN_PROGRESS(hdr)); + hdr->b_l1hdr.b_mru_hits = 0; + hdr->b_l1hdr.b_mru_ghost_hits = 0; + hdr->b_l1hdr.b_mfu_hits = 0; + hdr->b_l1hdr.b_mfu_ghost_hits = 0; + hdr->b_l1hdr.b_l2_hits = 0; + arc_change_state(arc_anon, hdr, hash_lock); + hdr->b_l1hdr.b_arc_access = 0; + mutex_exit(hash_lock); + + buf_discard_identity(hdr); + arc_buf_thaw(buf); + } + buf->b_efunc = NULL; + buf->b_private = NULL; +} + +int +arc_released(arc_buf_t *buf) +{ + int released; + + mutex_enter(&buf->b_evict_lock); + released = (buf->b_data != NULL && + buf->b_hdr->b_l1hdr.b_state == arc_anon); + mutex_exit(&buf->b_evict_lock); + return (released); +} + +#ifdef ZFS_DEBUG +int +arc_referenced(arc_buf_t *buf) +{ + int referenced; + + mutex_enter(&buf->b_evict_lock); + referenced = (refcount_count(&buf->b_hdr->b_l1hdr.b_refcnt)); + mutex_exit(&buf->b_evict_lock); + return (referenced); +} +#endif + +static void +arc_write_ready(zio_t *zio) +{ + arc_write_callback_t *callback = zio->io_private; + arc_buf_t *buf = callback->awcb_buf; + arc_buf_hdr_t *hdr = buf->b_hdr; + + ASSERT(HDR_HAS_L1HDR(hdr)); + ASSERT(!refcount_is_zero(&buf->b_hdr->b_l1hdr.b_refcnt)); + ASSERT(hdr->b_l1hdr.b_datacnt > 0); + callback->awcb_ready(zio, buf, callback->awcb_private); + + /* + * If the IO is already in progress, then this is a re-write + * attempt, so we need to thaw and re-compute the cksum. + * It is the responsibility of the callback to handle the + * accounting for any re-write attempt. + */ + if (HDR_IO_IN_PROGRESS(hdr)) { + mutex_enter(&hdr->b_l1hdr.b_freeze_lock); + if (hdr->b_freeze_cksum != NULL) { + kmem_free(hdr->b_freeze_cksum, sizeof (zio_cksum_t)); + hdr->b_freeze_cksum = NULL; + } + mutex_exit(&hdr->b_l1hdr.b_freeze_lock); + } + arc_cksum_compute(buf, B_FALSE); + hdr->b_flags |= ARC_FLAG_IO_IN_PROGRESS; +} + +/* + * The SPA calls this callback for each physical write that happens on behalf + * of a logical write. See the comment in dbuf_write_physdone() for details. + */ +static void +arc_write_physdone(zio_t *zio) +{ + arc_write_callback_t *cb = zio->io_private; + if (cb->awcb_physdone != NULL) + cb->awcb_physdone(zio, cb->awcb_buf, cb->awcb_private); +} + +static void +arc_write_done(zio_t *zio) +{ + arc_write_callback_t *callback = zio->io_private; + arc_buf_t *buf = callback->awcb_buf; + arc_buf_hdr_t *hdr = buf->b_hdr; + + ASSERT(hdr->b_l1hdr.b_acb == NULL); + + if (zio->io_error == 0) { + if (BP_IS_HOLE(zio->io_bp) || BP_IS_EMBEDDED(zio->io_bp)) { + buf_discard_identity(hdr); + } else { + hdr->b_dva = *BP_IDENTITY(zio->io_bp); + hdr->b_birth = BP_PHYSICAL_BIRTH(zio->io_bp); + } + } else { + ASSERT(BUF_EMPTY(hdr)); + } + + /* + * If the block to be written was all-zero or compressed enough to be + * embedded in the BP, no write was performed so there will be no + * dva/birth/checksum. The buffer must therefore remain anonymous + * (and uncached). + */ + if (!BUF_EMPTY(hdr)) { + arc_buf_hdr_t *exists; + kmutex_t *hash_lock; + + ASSERT(zio->io_error == 0); + + arc_cksum_verify(buf); + + exists = buf_hash_insert(hdr, &hash_lock); + if (exists != NULL) { + /* + * This can only happen if we overwrite for + * sync-to-convergence, because we remove + * buffers from the hash table when we arc_free(). + */ + if (zio->io_flags & ZIO_FLAG_IO_REWRITE) { + if (!BP_EQUAL(&zio->io_bp_orig, zio->io_bp)) + panic("bad overwrite, hdr=%p exists=%p", + (void *)hdr, (void *)exists); + ASSERT(refcount_is_zero( + &exists->b_l1hdr.b_refcnt)); + arc_change_state(arc_anon, exists, hash_lock); + mutex_exit(hash_lock); + arc_hdr_destroy(exists); + exists = buf_hash_insert(hdr, &hash_lock); + ASSERT3P(exists, ==, NULL); + } else if (zio->io_flags & ZIO_FLAG_NOPWRITE) { + /* nopwrite */ + ASSERT(zio->io_prop.zp_nopwrite); + if (!BP_EQUAL(&zio->io_bp_orig, zio->io_bp)) + panic("bad nopwrite, hdr=%p exists=%p", + (void *)hdr, (void *)exists); + } else { + /* Dedup */ + ASSERT(hdr->b_l1hdr.b_datacnt == 1); + ASSERT(hdr->b_l1hdr.b_state == arc_anon); + ASSERT(BP_GET_DEDUP(zio->io_bp)); + ASSERT(BP_GET_LEVEL(zio->io_bp) == 0); + } + } + hdr->b_flags &= ~ARC_FLAG_IO_IN_PROGRESS; + /* if it's not anon, we are doing a scrub */ + if (exists == NULL && hdr->b_l1hdr.b_state == arc_anon) + arc_access(hdr, hash_lock); + mutex_exit(hash_lock); + } else { + hdr->b_flags &= ~ARC_FLAG_IO_IN_PROGRESS; + } + + ASSERT(!refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + callback->awcb_done(zio, buf, callback->awcb_private); + + kmem_free(callback, sizeof (arc_write_callback_t)); +} + +zio_t * +arc_write(zio_t *pio, spa_t *spa, uint64_t txg, + blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, boolean_t l2arc_compress, + const zio_prop_t *zp, arc_done_func_t *ready, arc_done_func_t *physdone, + arc_done_func_t *done, void *private, zio_priority_t priority, + int zio_flags, const zbookmark_phys_t *zb) +{ + arc_buf_hdr_t *hdr = buf->b_hdr; + arc_write_callback_t *callback; + zio_t *zio; + + ASSERT(ready != NULL); + ASSERT(done != NULL); + ASSERT(!HDR_IO_ERROR(hdr)); + ASSERT(!HDR_IO_IN_PROGRESS(hdr)); + ASSERT(hdr->b_l1hdr.b_acb == NULL); + ASSERT(hdr->b_l1hdr.b_datacnt > 0); + if (l2arc) + hdr->b_flags |= ARC_FLAG_L2CACHE; + if (l2arc_compress) + hdr->b_flags |= ARC_FLAG_L2COMPRESS; + callback = kmem_zalloc(sizeof (arc_write_callback_t), KM_SLEEP); + callback->awcb_ready = ready; + callback->awcb_physdone = physdone; + callback->awcb_done = done; + callback->awcb_private = private; + callback->awcb_buf = buf; + + zio = zio_write(pio, spa, txg, bp, buf->b_data, hdr->b_size, zp, + arc_write_ready, arc_write_physdone, arc_write_done, callback, + priority, zio_flags, zb); + + return (zio); +} + +static int +arc_memory_throttle(uint64_t reserve, uint64_t txg) +{ +#ifdef _KERNEL + uint64_t available_memory = ptob(freemem); + static uint64_t page_load = 0; + static uint64_t last_txg = 0; +#ifdef __linux__ + pgcnt_t minfree = btop(arc_sys_free / 4); +#endif + + if (freemem > physmem * arc_lotsfree_percent / 100) + return (0); + + if (txg > last_txg) { + last_txg = txg; + page_load = 0; + } + + /* + * If we are in pageout, we know that memory is already tight, + * the arc is already going to be evicting, so we just want to + * continue to let page writes occur as quickly as possible. + */ + if (current_is_kswapd()) { + if (page_load > MAX(ptob(minfree), available_memory) / 4) { + DMU_TX_STAT_BUMP(dmu_tx_memory_reclaim); + return (SET_ERROR(ERESTART)); + } + /* Note: reserve is inflated, so we deflate */ + page_load += reserve / 8; + return (0); + } else if (page_load > 0 && arc_reclaim_needed()) { + /* memory is low, delay before restarting */ + ARCSTAT_INCR(arcstat_memory_throttle_count, 1); + DMU_TX_STAT_BUMP(dmu_tx_memory_reclaim); + return (SET_ERROR(EAGAIN)); + } + page_load = 0; +#endif + return (0); +} + +void +arc_tempreserve_clear(uint64_t reserve) +{ + atomic_add_64(&arc_tempreserve, -reserve); + ASSERT((int64_t)arc_tempreserve >= 0); +} + +int +arc_tempreserve_space(uint64_t reserve, uint64_t txg) +{ + int error; + uint64_t anon_size; + + if (!arc_no_grow && + reserve > arc_c/4 && + reserve * 4 > (2ULL << SPA_MAXBLOCKSHIFT)) + arc_c = MIN(arc_c_max, reserve * 4); + + /* + * Throttle when the calculated memory footprint for the TXG + * exceeds the target ARC size. + */ + if (reserve > arc_c) { + DMU_TX_STAT_BUMP(dmu_tx_memory_reserve); + return (SET_ERROR(ERESTART)); + } + + /* + * Don't count loaned bufs as in flight dirty data to prevent long + * network delays from blocking transactions that are ready to be + * assigned to a txg. + */ + anon_size = MAX((int64_t)(refcount_count(&arc_anon->arcs_size) - + arc_loaned_bytes), 0); + + /* + * Writes will, almost always, require additional memory allocations + * in order to compress/encrypt/etc the data. We therefore need to + * make sure that there is sufficient available memory for this. + */ + error = arc_memory_throttle(reserve, txg); + if (error != 0) + return (error); + + /* + * Throttle writes when the amount of dirty data in the cache + * gets too large. We try to keep the cache less than half full + * of dirty blocks so that our sync times don't grow too large. + * Note: if two requests come in concurrently, we might let them + * both succeed, when one of them should fail. Not a huge deal. + */ + + if (reserve + arc_tempreserve + anon_size > arc_c / 2 && + anon_size > arc_c / 4) { + dprintf("failing, arc_tempreserve=%lluK anon_meta=%lluK " + "anon_data=%lluK tempreserve=%lluK arc_c=%lluK\n", + arc_tempreserve>>10, + arc_anon->arcs_lsize[ARC_BUFC_METADATA]>>10, + arc_anon->arcs_lsize[ARC_BUFC_DATA]>>10, + reserve>>10, arc_c>>10); + DMU_TX_STAT_BUMP(dmu_tx_dirty_throttle); + return (SET_ERROR(ERESTART)); + } + atomic_add_64(&arc_tempreserve, reserve); + return (0); +} + +static void +arc_kstat_update_state(arc_state_t *state, kstat_named_t *size, + kstat_named_t *evict_data, kstat_named_t *evict_metadata) +{ + size->value.ui64 = refcount_count(&state->arcs_size); + evict_data->value.ui64 = state->arcs_lsize[ARC_BUFC_DATA]; + evict_metadata->value.ui64 = state->arcs_lsize[ARC_BUFC_METADATA]; +} + +static int +arc_kstat_update(kstat_t *ksp, int rw) +{ + arc_stats_t *as = ksp->ks_data; + + if (rw == KSTAT_WRITE) { + return (EACCES); + } else { + arc_kstat_update_state(arc_anon, + &as->arcstat_anon_size, + &as->arcstat_anon_evictable_data, + &as->arcstat_anon_evictable_metadata); + arc_kstat_update_state(arc_mru, + &as->arcstat_mru_size, + &as->arcstat_mru_evictable_data, + &as->arcstat_mru_evictable_metadata); + arc_kstat_update_state(arc_mru_ghost, + &as->arcstat_mru_ghost_size, + &as->arcstat_mru_ghost_evictable_data, + &as->arcstat_mru_ghost_evictable_metadata); + arc_kstat_update_state(arc_mfu, + &as->arcstat_mfu_size, + &as->arcstat_mfu_evictable_data, + &as->arcstat_mfu_evictable_metadata); + arc_kstat_update_state(arc_mfu_ghost, + &as->arcstat_mfu_ghost_size, + &as->arcstat_mfu_ghost_evictable_data, + &as->arcstat_mfu_ghost_evictable_metadata); + } + + return (0); +} + +/* + * This function *must* return indices evenly distributed between all + * sublists of the multilist. This is needed due to how the ARC eviction + * code is laid out; arc_evict_state() assumes ARC buffers are evenly + * distributed between all sublists and uses this assumption when + * deciding which sublist to evict from and how much to evict from it. + */ +unsigned int +arc_state_multilist_index_func(multilist_t *ml, void *obj) +{ + arc_buf_hdr_t *hdr = obj; + + /* + * We rely on b_dva to generate evenly distributed index + * numbers using buf_hash below. So, as an added precaution, + * let's make sure we never add empty buffers to the arc lists. + */ + ASSERT(!BUF_EMPTY(hdr)); + + /* + * The assumption here, is the hash value for a given + * arc_buf_hdr_t will remain constant throughout its lifetime + * (i.e. its b_spa, b_dva, and b_birth fields don't change). + * Thus, we don't need to store the header's sublist index + * on insertion, as this index can be recalculated on removal. + * + * Also, the low order bits of the hash value are thought to be + * distributed evenly. Otherwise, in the case that the multilist + * has a power of two number of sublists, each sublists' usage + * would not be evenly distributed. + */ + return (buf_hash(hdr->b_spa, &hdr->b_dva, hdr->b_birth) % + multilist_get_num_sublists(ml)); +} + +/* + * Called during module initialization and periodically thereafter to + * apply reasonable changes to the exposed performance tunings. Non-zero + * zfs_* values which differ from the currently set values will be applied. + */ +static void +arc_tuning_update(void) +{ + /* Valid range: 64M - */ + if ((zfs_arc_max) && (zfs_arc_max != arc_c_max) && + (zfs_arc_max > 64 << 20) && (zfs_arc_max < ptob(physmem)) && + (zfs_arc_max > arc_c_min)) { + arc_c_max = zfs_arc_max; + arc_c = arc_c_max; + arc_p = (arc_c >> 1); + arc_meta_limit = MIN(arc_meta_limit, (3 * arc_c_max) / 4); + } + + /* Valid range: 32M - */ + if ((zfs_arc_min) && (zfs_arc_min != arc_c_min) && + (zfs_arc_min >= 2ULL << SPA_MAXBLOCKSHIFT) && + (zfs_arc_min <= arc_c_max)) { + arc_c_min = zfs_arc_min; + arc_c = MAX(arc_c, arc_c_min); + } + + /* Valid range: 16M - */ + if ((zfs_arc_meta_min) && (zfs_arc_meta_min != arc_meta_min) && + (zfs_arc_meta_min >= 1ULL << SPA_MAXBLOCKSHIFT) && + (zfs_arc_meta_min <= arc_c_max)) { + arc_meta_min = zfs_arc_meta_min; + arc_meta_limit = MAX(arc_meta_limit, arc_meta_min); + } + + /* Valid range: - */ + if ((zfs_arc_meta_limit) && (zfs_arc_meta_limit != arc_meta_limit) && + (zfs_arc_meta_limit >= zfs_arc_meta_min) && + (zfs_arc_meta_limit <= arc_c_max)) + arc_meta_limit = zfs_arc_meta_limit; + + /* Valid range: 1 - N */ + if (zfs_arc_grow_retry) + arc_grow_retry = zfs_arc_grow_retry; + + /* Valid range: 1 - N */ + if (zfs_arc_shrink_shift) { + arc_shrink_shift = zfs_arc_shrink_shift; + arc_no_grow_shift = MIN(arc_no_grow_shift, arc_shrink_shift -1); + } + + /* Valid range: 1 - N */ + if (zfs_arc_p_min_shift) + arc_p_min_shift = zfs_arc_p_min_shift; + + /* Valid range: 1 - N ticks */ + if (zfs_arc_min_prefetch_lifespan) + arc_min_prefetch_lifespan = zfs_arc_min_prefetch_lifespan; + + /* Valid range: 0 - 100 */ + if ((zfs_arc_lotsfree_percent >= 0) && + (zfs_arc_lotsfree_percent <= 100)) + arc_lotsfree_percent = zfs_arc_lotsfree_percent; + + /* Valid range: 0 - */ + if ((zfs_arc_sys_free) && (zfs_arc_sys_free != arc_sys_free)) + arc_sys_free = MIN(MAX(zfs_arc_sys_free, 0), ptob(physmem)); + +} + +void +arc_init(void) +{ + /* + * allmem is "all memory that we could possibly use". + */ +#ifdef _KERNEL + uint64_t allmem = ptob(physmem); +#else + uint64_t allmem = (physmem * PAGESIZE) / 2; +#endif + + mutex_init(&arc_reclaim_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&arc_reclaim_thread_cv, NULL, CV_DEFAULT, NULL); + cv_init(&arc_reclaim_waiters_cv, NULL, CV_DEFAULT, NULL); + + mutex_init(&arc_user_evicts_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&arc_user_evicts_cv, NULL, CV_DEFAULT, NULL); + + /* Convert seconds to clock ticks */ + arc_min_prefetch_lifespan = 1 * hz; + + /* Start out with 1/8 of all memory */ + arc_c = allmem / 8; + +#ifdef _KERNEL + /* + * On architectures where the physical memory can be larger + * than the addressable space (intel in 32-bit mode), we may + * need to limit the cache to 1/8 of VM size. + */ + arc_c = MIN(arc_c, vmem_size(heap_arena, VMEM_ALLOC | VMEM_FREE) / 8); + + /* + * Register a shrinker to support synchronous (direct) memory + * reclaim from the arc. This is done to prevent kswapd from + * swapping out pages when it is preferable to shrink the arc. + */ + spl_register_shrinker(&arc_shrinker); + + /* Set to 1/64 of all memory or a minimum of 512K */ + arc_sys_free = MAX(ptob(physmem / 64), (512 * 1024)); + arc_need_free = 0; +#endif + + /* Set min cache to allow safe operation of arc_adapt() */ + arc_c_min = 2ULL << SPA_MAXBLOCKSHIFT; + /* Set max to 1/2 of all memory */ + arc_c_max = allmem / 2; + + arc_c = arc_c_max; + arc_p = (arc_c >> 1); + + /* Set min to 1/2 of arc_c_min */ + arc_meta_min = 1ULL << SPA_MAXBLOCKSHIFT; + /* Initialize maximum observed usage to zero */ + arc_meta_max = 0; + /* Set limit to 3/4 of arc_c_max with a floor of arc_meta_min */ + arc_meta_limit = MAX((3 * arc_c_max) / 4, arc_meta_min); + + /* Apply user specified tunings */ + arc_tuning_update(); + + if (zfs_arc_num_sublists_per_state < 1) + zfs_arc_num_sublists_per_state = MAX(boot_ncpus, 1); + + /* if kmem_flags are set, lets try to use less memory */ + if (kmem_debugging()) + arc_c = arc_c / 2; + if (arc_c < arc_c_min) + arc_c = arc_c_min; + + arc_anon = &ARC_anon; + arc_mru = &ARC_mru; + arc_mru_ghost = &ARC_mru_ghost; + arc_mfu = &ARC_mfu; + arc_mfu_ghost = &ARC_mfu_ghost; + arc_l2c_only = &ARC_l2c_only; + arc_size = 0; + + multilist_create(&arc_mru->arcs_list[ARC_BUFC_METADATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_mru->arcs_list[ARC_BUFC_DATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_mru_ghost->arcs_list[ARC_BUFC_METADATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_mru_ghost->arcs_list[ARC_BUFC_DATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_mfu->arcs_list[ARC_BUFC_METADATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_mfu->arcs_list[ARC_BUFC_DATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_mfu_ghost->arcs_list[ARC_BUFC_METADATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_mfu_ghost->arcs_list[ARC_BUFC_DATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_l2c_only->arcs_list[ARC_BUFC_METADATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + multilist_create(&arc_l2c_only->arcs_list[ARC_BUFC_DATA], + sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), + zfs_arc_num_sublists_per_state, arc_state_multilist_index_func); + + arc_anon->arcs_state = ARC_STATE_ANON; + arc_mru->arcs_state = ARC_STATE_MRU; + arc_mru_ghost->arcs_state = ARC_STATE_MRU_GHOST; + arc_mfu->arcs_state = ARC_STATE_MFU; + arc_mfu_ghost->arcs_state = ARC_STATE_MFU_GHOST; + arc_l2c_only->arcs_state = ARC_STATE_L2C_ONLY; + + refcount_create(&arc_anon->arcs_size); + refcount_create(&arc_mru->arcs_size); + refcount_create(&arc_mru_ghost->arcs_size); + refcount_create(&arc_mfu->arcs_size); + refcount_create(&arc_mfu_ghost->arcs_size); + refcount_create(&arc_l2c_only->arcs_size); + + buf_init(); + + arc_reclaim_thread_exit = FALSE; + arc_user_evicts_thread_exit = FALSE; + list_create(&arc_prune_list, sizeof (arc_prune_t), + offsetof(arc_prune_t, p_node)); + arc_eviction_list = NULL; + mutex_init(&arc_prune_mtx, NULL, MUTEX_DEFAULT, NULL); + bzero(&arc_eviction_hdr, sizeof (arc_buf_hdr_t)); + + arc_prune_taskq = taskq_create("arc_prune", max_ncpus, defclsyspri, + max_ncpus, INT_MAX, TASKQ_PREPOPULATE | TASKQ_DYNAMIC); + + arc_ksp = kstat_create("zfs", 0, "arcstats", "misc", KSTAT_TYPE_NAMED, + sizeof (arc_stats) / sizeof (kstat_named_t), KSTAT_FLAG_VIRTUAL); + + if (arc_ksp != NULL) { + arc_ksp->ks_data = &arc_stats; + arc_ksp->ks_update = arc_kstat_update; + kstat_install(arc_ksp); + } + + (void) thread_create(NULL, 0, arc_reclaim_thread, NULL, 0, &p0, + TS_RUN, defclsyspri); + + (void) thread_create(NULL, 0, arc_user_evicts_thread, NULL, 0, &p0, + TS_RUN, defclsyspri); + + arc_dead = FALSE; + arc_warm = B_FALSE; + + /* + * Calculate maximum amount of dirty data per pool. + * + * If it has been set by a module parameter, take that. + * Otherwise, use a percentage of physical memory defined by + * zfs_dirty_data_max_percent (default 10%) with a cap at + * zfs_dirty_data_max_max (default 25% of physical memory). + */ + if (zfs_dirty_data_max_max == 0) + zfs_dirty_data_max_max = (uint64_t)physmem * PAGESIZE * + zfs_dirty_data_max_max_percent / 100; + + if (zfs_dirty_data_max == 0) { + zfs_dirty_data_max = (uint64_t)physmem * PAGESIZE * + zfs_dirty_data_max_percent / 100; + zfs_dirty_data_max = MIN(zfs_dirty_data_max, + zfs_dirty_data_max_max); + } +} + +void +arc_fini(void) +{ + arc_prune_t *p; + +#ifdef _KERNEL + spl_unregister_shrinker(&arc_shrinker); +#endif /* _KERNEL */ + + mutex_enter(&arc_reclaim_lock); + arc_reclaim_thread_exit = TRUE; + /* + * The reclaim thread will set arc_reclaim_thread_exit back to + * FALSE when it is finished exiting; we're waiting for that. + */ + while (arc_reclaim_thread_exit) { + cv_signal(&arc_reclaim_thread_cv); + cv_wait(&arc_reclaim_thread_cv, &arc_reclaim_lock); + } + mutex_exit(&arc_reclaim_lock); + + mutex_enter(&arc_user_evicts_lock); + arc_user_evicts_thread_exit = TRUE; + /* + * The user evicts thread will set arc_user_evicts_thread_exit + * to FALSE when it is finished exiting; we're waiting for that. + */ + while (arc_user_evicts_thread_exit) { + cv_signal(&arc_user_evicts_cv); + cv_wait(&arc_user_evicts_cv, &arc_user_evicts_lock); + } + mutex_exit(&arc_user_evicts_lock); + + /* Use TRUE to ensure *all* buffers are evicted */ + arc_flush(NULL, TRUE); + + arc_dead = TRUE; + + if (arc_ksp != NULL) { + kstat_delete(arc_ksp); + arc_ksp = NULL; + } + + taskq_wait(arc_prune_taskq); + taskq_destroy(arc_prune_taskq); + + mutex_enter(&arc_prune_mtx); + while ((p = list_head(&arc_prune_list)) != NULL) { + list_remove(&arc_prune_list, p); + refcount_remove(&p->p_refcnt, &arc_prune_list); + refcount_destroy(&p->p_refcnt); + kmem_free(p, sizeof (*p)); + } + mutex_exit(&arc_prune_mtx); + + list_destroy(&arc_prune_list); + mutex_destroy(&arc_prune_mtx); + mutex_destroy(&arc_reclaim_lock); + cv_destroy(&arc_reclaim_thread_cv); + cv_destroy(&arc_reclaim_waiters_cv); + + mutex_destroy(&arc_user_evicts_lock); + cv_destroy(&arc_user_evicts_cv); + + refcount_destroy(&arc_anon->arcs_size); + refcount_destroy(&arc_mru->arcs_size); + refcount_destroy(&arc_mru_ghost->arcs_size); + refcount_destroy(&arc_mfu->arcs_size); + refcount_destroy(&arc_mfu_ghost->arcs_size); + refcount_destroy(&arc_l2c_only->arcs_size); + + multilist_destroy(&arc_mru->arcs_list[ARC_BUFC_METADATA]); + multilist_destroy(&arc_mru_ghost->arcs_list[ARC_BUFC_METADATA]); + multilist_destroy(&arc_mfu->arcs_list[ARC_BUFC_METADATA]); + multilist_destroy(&arc_mfu_ghost->arcs_list[ARC_BUFC_METADATA]); + multilist_destroy(&arc_mru->arcs_list[ARC_BUFC_DATA]); + multilist_destroy(&arc_mru_ghost->arcs_list[ARC_BUFC_DATA]); + multilist_destroy(&arc_mfu->arcs_list[ARC_BUFC_DATA]); + multilist_destroy(&arc_mfu_ghost->arcs_list[ARC_BUFC_DATA]); + multilist_destroy(&arc_l2c_only->arcs_list[ARC_BUFC_METADATA]); + multilist_destroy(&arc_l2c_only->arcs_list[ARC_BUFC_DATA]); + + buf_fini(); + + ASSERT0(arc_loaned_bytes); +} + +/* + * Level 2 ARC + * + * The level 2 ARC (L2ARC) is a cache layer in-between main memory and disk. + * It uses dedicated storage devices to hold cached data, which are populated + * using large infrequent writes. The main role of this cache is to boost + * the performance of random read workloads. The intended L2ARC devices + * include short-stroked disks, solid state disks, and other media with + * substantially faster read latency than disk. + * + * +-----------------------+ + * | ARC | + * +-----------------------+ + * | ^ ^ + * | | | + * l2arc_feed_thread() arc_read() + * | | | + * | l2arc read | + * V | | + * +---------------+ | + * | L2ARC | | + * +---------------+ | + * | ^ | + * l2arc_write() | | + * | | | + * V | | + * +-------+ +-------+ + * | vdev | | vdev | + * | cache | | cache | + * +-------+ +-------+ + * +=========+ .-----. + * : L2ARC : |-_____-| + * : devices : | Disks | + * +=========+ `-_____-' + * + * Read requests are satisfied from the following sources, in order: + * + * 1) ARC + * 2) vdev cache of L2ARC devices + * 3) L2ARC devices + * 4) vdev cache of disks + * 5) disks + * + * Some L2ARC device types exhibit extremely slow write performance. + * To accommodate for this there are some significant differences between + * the L2ARC and traditional cache design: + * + * 1. There is no eviction path from the ARC to the L2ARC. Evictions from + * the ARC behave as usual, freeing buffers and placing headers on ghost + * lists. The ARC does not send buffers to the L2ARC during eviction as + * this would add inflated write latencies for all ARC memory pressure. + * + * 2. The L2ARC attempts to cache data from the ARC before it is evicted. + * It does this by periodically scanning buffers from the eviction-end of + * the MFU and MRU ARC lists, copying them to the L2ARC devices if they are + * not already there. It scans until a headroom of buffers is satisfied, + * which itself is a buffer for ARC eviction. If a compressible buffer is + * found during scanning and selected for writing to an L2ARC device, we + * temporarily boost scanning headroom during the next scan cycle to make + * sure we adapt to compression effects (which might significantly reduce + * the data volume we write to L2ARC). The thread that does this is + * l2arc_feed_thread(), illustrated below; example sizes are included to + * provide a better sense of ratio than this diagram: + * + * head --> tail + * +---------------------+----------+ + * ARC_mfu |:::::#:::::::::::::::|o#o###o###|-->. # already on L2ARC + * +---------------------+----------+ | o L2ARC eligible + * ARC_mru |:#:::::::::::::::::::|#o#ooo####|-->| : ARC buffer + * +---------------------+----------+ | + * 15.9 Gbytes ^ 32 Mbytes | + * headroom | + * l2arc_feed_thread() + * | + * l2arc write hand <--[oooo]--' + * | 8 Mbyte + * | write max + * V + * +==============================+ + * L2ARC dev |####|#|###|###| |####| ... | + * +==============================+ + * 32 Gbytes + * + * 3. If an ARC buffer is copied to the L2ARC but then hit instead of + * evicted, then the L2ARC has cached a buffer much sooner than it probably + * needed to, potentially wasting L2ARC device bandwidth and storage. It is + * safe to say that this is an uncommon case, since buffers at the end of + * the ARC lists have moved there due to inactivity. + * + * 4. If the ARC evicts faster than the L2ARC can maintain a headroom, + * then the L2ARC simply misses copying some buffers. This serves as a + * pressure valve to prevent heavy read workloads from both stalling the ARC + * with waits and clogging the L2ARC with writes. This also helps prevent + * the potential for the L2ARC to churn if it attempts to cache content too + * quickly, such as during backups of the entire pool. + * + * 5. After system boot and before the ARC has filled main memory, there are + * no evictions from the ARC and so the tails of the ARC_mfu and ARC_mru + * lists can remain mostly static. Instead of searching from tail of these + * lists as pictured, the l2arc_feed_thread() will search from the list heads + * for eligible buffers, greatly increasing its chance of finding them. + * + * The L2ARC device write speed is also boosted during this time so that + * the L2ARC warms up faster. Since there have been no ARC evictions yet, + * there are no L2ARC reads, and no fear of degrading read performance + * through increased writes. + * + * 6. Writes to the L2ARC devices are grouped and sent in-sequence, so that + * the vdev queue can aggregate them into larger and fewer writes. Each + * device is written to in a rotor fashion, sweeping writes through + * available space then repeating. + * + * 7. The L2ARC does not store dirty content. It never needs to flush + * write buffers back to disk based storage. + * + * 8. If an ARC buffer is written (and dirtied) which also exists in the + * L2ARC, the now stale L2ARC buffer is immediately dropped. + * + * The performance of the L2ARC can be tweaked by a number of tunables, which + * may be necessary for different workloads: + * + * l2arc_write_max max write bytes per interval + * l2arc_write_boost extra write bytes during device warmup + * l2arc_noprefetch skip caching prefetched buffers + * l2arc_nocompress skip compressing buffers + * l2arc_headroom number of max device writes to precache + * l2arc_headroom_boost when we find compressed buffers during ARC + * scanning, we multiply headroom by this + * percentage factor for the next scan cycle, + * since more compressed buffers are likely to + * be present + * l2arc_feed_secs seconds between L2ARC writing + * + * Tunables may be removed or added as future performance improvements are + * integrated, and also may become zpool properties. + * + * There are three key functions that control how the L2ARC warms up: + * + * l2arc_write_eligible() check if a buffer is eligible to cache + * l2arc_write_size() calculate how much to write + * l2arc_write_interval() calculate sleep delay between writes + * + * These three functions determine what to write, how much, and how quickly + * to send writes. + */ + +static boolean_t +l2arc_write_eligible(uint64_t spa_guid, arc_buf_hdr_t *hdr) +{ + /* + * A buffer is *not* eligible for the L2ARC if it: + * 1. belongs to a different spa. + * 2. is already cached on the L2ARC. + * 3. has an I/O in progress (it may be an incomplete read). + * 4. is flagged not eligible (zfs property). + */ + if (hdr->b_spa != spa_guid || HDR_HAS_L2HDR(hdr) || + HDR_IO_IN_PROGRESS(hdr) || !HDR_L2CACHE(hdr)) + return (B_FALSE); + + return (B_TRUE); +} + +static uint64_t +l2arc_write_size(void) +{ + uint64_t size; + + /* + * Make sure our globals have meaningful values in case the user + * altered them. + */ + size = l2arc_write_max; + if (size == 0) { + cmn_err(CE_NOTE, "Bad value for l2arc_write_max, value must " + "be greater than zero, resetting it to the default (%d)", + L2ARC_WRITE_SIZE); + size = l2arc_write_max = L2ARC_WRITE_SIZE; + } + + if (arc_warm == B_FALSE) + size += l2arc_write_boost; + + return (size); + +} + +static clock_t +l2arc_write_interval(clock_t began, uint64_t wanted, uint64_t wrote) +{ + clock_t interval, next, now; + + /* + * If the ARC lists are busy, increase our write rate; if the + * lists are stale, idle back. This is achieved by checking + * how much we previously wrote - if it was more than half of + * what we wanted, schedule the next write much sooner. + */ + if (l2arc_feed_again && wrote > (wanted / 2)) + interval = (hz * l2arc_feed_min_ms) / 1000; + else + interval = hz * l2arc_feed_secs; + + now = ddi_get_lbolt(); + next = MAX(now, MIN(now + interval, began + interval)); + + return (next); +} + +/* + * Cycle through L2ARC devices. This is how L2ARC load balances. + * If a device is returned, this also returns holding the spa config lock. + */ +static l2arc_dev_t * +l2arc_dev_get_next(void) +{ + l2arc_dev_t *first, *next = NULL; + + /* + * Lock out the removal of spas (spa_namespace_lock), then removal + * of cache devices (l2arc_dev_mtx). Once a device has been selected, + * both locks will be dropped and a spa config lock held instead. + */ + mutex_enter(&spa_namespace_lock); + mutex_enter(&l2arc_dev_mtx); + + /* if there are no vdevs, there is nothing to do */ + if (l2arc_ndev == 0) + goto out; + + first = NULL; + next = l2arc_dev_last; + do { + /* loop around the list looking for a non-faulted vdev */ + if (next == NULL) { + next = list_head(l2arc_dev_list); + } else { + next = list_next(l2arc_dev_list, next); + if (next == NULL) + next = list_head(l2arc_dev_list); + } + + /* if we have come back to the start, bail out */ + if (first == NULL) + first = next; + else if (next == first) + break; + + } while (vdev_is_dead(next->l2ad_vdev)); + + /* if we were unable to find any usable vdevs, return NULL */ + if (vdev_is_dead(next->l2ad_vdev)) + next = NULL; + + l2arc_dev_last = next; + +out: + mutex_exit(&l2arc_dev_mtx); + + /* + * Grab the config lock to prevent the 'next' device from being + * removed while we are writing to it. + */ + if (next != NULL) + spa_config_enter(next->l2ad_spa, SCL_L2ARC, next, RW_READER); + mutex_exit(&spa_namespace_lock); + + return (next); +} + +/* + * Free buffers that were tagged for destruction. + */ +static void +l2arc_do_free_on_write(void) +{ + list_t *buflist; + l2arc_data_free_t *df, *df_prev; + + mutex_enter(&l2arc_free_on_write_mtx); + buflist = l2arc_free_on_write; + + for (df = list_tail(buflist); df; df = df_prev) { + df_prev = list_prev(buflist, df); + ASSERT(df->l2df_data != NULL); + ASSERT(df->l2df_func != NULL); + df->l2df_func(df->l2df_data, df->l2df_size); + list_remove(buflist, df); + kmem_free(df, sizeof (l2arc_data_free_t)); + } + + mutex_exit(&l2arc_free_on_write_mtx); +} + +/* + * A write to a cache device has completed. Update all headers to allow + * reads from these buffers to begin. + */ +static void +l2arc_write_done(zio_t *zio) +{ + l2arc_write_callback_t *cb; + l2arc_dev_t *dev; + list_t *buflist; + arc_buf_hdr_t *head, *hdr, *hdr_prev; + kmutex_t *hash_lock; + int64_t bytes_dropped = 0; + + cb = zio->io_private; + ASSERT(cb != NULL); + dev = cb->l2wcb_dev; + ASSERT(dev != NULL); + head = cb->l2wcb_head; + ASSERT(head != NULL); + buflist = &dev->l2ad_buflist; + ASSERT(buflist != NULL); + DTRACE_PROBE2(l2arc__iodone, zio_t *, zio, + l2arc_write_callback_t *, cb); + + if (zio->io_error != 0) + ARCSTAT_BUMP(arcstat_l2_writes_error); + + /* + * All writes completed, or an error was hit. + */ +top: + mutex_enter(&dev->l2ad_mtx); + for (hdr = list_prev(buflist, head); hdr; hdr = hdr_prev) { + hdr_prev = list_prev(buflist, hdr); + + hash_lock = HDR_LOCK(hdr); + + /* + * We cannot use mutex_enter or else we can deadlock + * with l2arc_write_buffers (due to swapping the order + * the hash lock and l2ad_mtx are taken). + */ + if (!mutex_tryenter(hash_lock)) { + /* + * Missed the hash lock. We must retry so we + * don't leave the ARC_FLAG_L2_WRITING bit set. + */ + ARCSTAT_BUMP(arcstat_l2_writes_lock_retry); + + /* + * We don't want to rescan the headers we've + * already marked as having been written out, so + * we reinsert the head node so we can pick up + * where we left off. + */ + list_remove(buflist, head); + list_insert_after(buflist, hdr, head); + + mutex_exit(&dev->l2ad_mtx); + + /* + * We wait for the hash lock to become available + * to try and prevent busy waiting, and increase + * the chance we'll be able to acquire the lock + * the next time around. + */ + mutex_enter(hash_lock); + mutex_exit(hash_lock); + goto top; + } + + /* + * We could not have been moved into the arc_l2c_only + * state while in-flight due to our ARC_FLAG_L2_WRITING + * bit being set. Let's just ensure that's being enforced. + */ + ASSERT(HDR_HAS_L1HDR(hdr)); + + /* + * We may have allocated a buffer for L2ARC compression, + * we must release it to avoid leaking this data. + */ + l2arc_release_cdata_buf(hdr); + + if (zio->io_error != 0) { + /* + * Error - drop L2ARC entry. + */ + list_remove(buflist, hdr); + hdr->b_flags &= ~ARC_FLAG_HAS_L2HDR; + + ARCSTAT_INCR(arcstat_l2_asize, -hdr->b_l2hdr.b_asize); + ARCSTAT_INCR(arcstat_l2_size, -hdr->b_size); + + bytes_dropped += hdr->b_l2hdr.b_asize; + (void) refcount_remove_many(&dev->l2ad_alloc, + hdr->b_l2hdr.b_asize, hdr); + } + + /* + * Allow ARC to begin reads and ghost list evictions to + * this L2ARC entry. + */ + hdr->b_flags &= ~ARC_FLAG_L2_WRITING; + + mutex_exit(hash_lock); + } + + atomic_inc_64(&l2arc_writes_done); + list_remove(buflist, head); + ASSERT(!HDR_HAS_L1HDR(head)); + kmem_cache_free(hdr_l2only_cache, head); + mutex_exit(&dev->l2ad_mtx); + + vdev_space_update(dev->l2ad_vdev, -bytes_dropped, 0, 0); + + l2arc_do_free_on_write(); + + kmem_free(cb, sizeof (l2arc_write_callback_t)); +} + +/* + * A read to a cache device completed. Validate buffer contents before + * handing over to the regular ARC routines. + */ +static void +l2arc_read_done(zio_t *zio) +{ + l2arc_read_callback_t *cb; + arc_buf_hdr_t *hdr; + arc_buf_t *buf; + kmutex_t *hash_lock; + int equal; + + ASSERT(zio->io_vd != NULL); + ASSERT(zio->io_flags & ZIO_FLAG_DONT_PROPAGATE); + + spa_config_exit(zio->io_spa, SCL_L2ARC, zio->io_vd); + + cb = zio->io_private; + ASSERT(cb != NULL); + buf = cb->l2rcb_buf; + ASSERT(buf != NULL); + + hash_lock = HDR_LOCK(buf->b_hdr); + mutex_enter(hash_lock); + hdr = buf->b_hdr; + ASSERT3P(hash_lock, ==, HDR_LOCK(hdr)); + + /* + * If the buffer was compressed, decompress it first. + */ + if (cb->l2rcb_compress != ZIO_COMPRESS_OFF) + l2arc_decompress_zio(zio, hdr, cb->l2rcb_compress); + ASSERT(zio->io_data != NULL); + ASSERT3U(zio->io_size, ==, hdr->b_size); + ASSERT3U(BP_GET_LSIZE(&cb->l2rcb_bp), ==, hdr->b_size); + + /* + * Check this survived the L2ARC journey. + */ + equal = arc_cksum_equal(buf); + if (equal && zio->io_error == 0 && !HDR_L2_EVICTED(hdr)) { + mutex_exit(hash_lock); + zio->io_private = buf; + zio->io_bp_copy = cb->l2rcb_bp; /* XXX fix in L2ARC 2.0 */ + zio->io_bp = &zio->io_bp_copy; /* XXX fix in L2ARC 2.0 */ + arc_read_done(zio); + } else { + mutex_exit(hash_lock); + /* + * Buffer didn't survive caching. Increment stats and + * reissue to the original storage device. + */ + if (zio->io_error != 0) { + ARCSTAT_BUMP(arcstat_l2_io_error); + } else { + zio->io_error = SET_ERROR(EIO); + } + if (!equal) + ARCSTAT_BUMP(arcstat_l2_cksum_bad); + + /* + * If there's no waiter, issue an async i/o to the primary + * storage now. If there *is* a waiter, the caller must + * issue the i/o in a context where it's OK to block. + */ + if (zio->io_waiter == NULL) { + zio_t *pio = zio_unique_parent(zio); + + ASSERT(!pio || pio->io_child_type == ZIO_CHILD_LOGICAL); + + zio_nowait(zio_read(pio, cb->l2rcb_spa, &cb->l2rcb_bp, + buf->b_data, hdr->b_size, arc_read_done, buf, + zio->io_priority, cb->l2rcb_flags, &cb->l2rcb_zb)); + } + } + + kmem_free(cb, sizeof (l2arc_read_callback_t)); +} + +/* + * This is the list priority from which the L2ARC will search for pages to + * cache. This is used within loops (0..3) to cycle through lists in the + * desired order. This order can have a significant effect on cache + * performance. + * + * Currently the metadata lists are hit first, MFU then MRU, followed by + * the data lists. This function returns a locked list, and also returns + * the lock pointer. + */ +static multilist_sublist_t * +l2arc_sublist_lock(int list_num) +{ + multilist_t *ml = NULL; + unsigned int idx; + + ASSERT(list_num >= 0 && list_num <= 3); + + switch (list_num) { + case 0: + ml = &arc_mfu->arcs_list[ARC_BUFC_METADATA]; + break; + case 1: + ml = &arc_mru->arcs_list[ARC_BUFC_METADATA]; + break; + case 2: + ml = &arc_mfu->arcs_list[ARC_BUFC_DATA]; + break; + case 3: + ml = &arc_mru->arcs_list[ARC_BUFC_DATA]; + break; + } + + /* + * Return a randomly-selected sublist. This is acceptable + * because the caller feeds only a little bit of data for each + * call (8MB). Subsequent calls will result in different + * sublists being selected. + */ + idx = multilist_get_random_index(ml); + return (multilist_sublist_lock(ml, idx)); +} + +/* + * Evict buffers from the device write hand to the distance specified in + * bytes. This distance may span populated buffers, it may span nothing. + * This is clearing a region on the L2ARC device ready for writing. + * If the 'all' boolean is set, every buffer is evicted. + */ +static void +l2arc_evict(l2arc_dev_t *dev, uint64_t distance, boolean_t all) +{ + list_t *buflist; + arc_buf_hdr_t *hdr, *hdr_prev; + kmutex_t *hash_lock; + uint64_t taddr; + + buflist = &dev->l2ad_buflist; + + if (!all && dev->l2ad_first) { + /* + * This is the first sweep through the device. There is + * nothing to evict. + */ + return; + } + + if (dev->l2ad_hand >= (dev->l2ad_end - (2 * distance))) { + /* + * When nearing the end of the device, evict to the end + * before the device write hand jumps to the start. + */ + taddr = dev->l2ad_end; + } else { + taddr = dev->l2ad_hand + distance; + } + DTRACE_PROBE4(l2arc__evict, l2arc_dev_t *, dev, list_t *, buflist, + uint64_t, taddr, boolean_t, all); + +top: + mutex_enter(&dev->l2ad_mtx); + for (hdr = list_tail(buflist); hdr; hdr = hdr_prev) { + hdr_prev = list_prev(buflist, hdr); + + hash_lock = HDR_LOCK(hdr); + + /* + * We cannot use mutex_enter or else we can deadlock + * with l2arc_write_buffers (due to swapping the order + * the hash lock and l2ad_mtx are taken). + */ + if (!mutex_tryenter(hash_lock)) { + /* + * Missed the hash lock. Retry. + */ + ARCSTAT_BUMP(arcstat_l2_evict_lock_retry); + mutex_exit(&dev->l2ad_mtx); + mutex_enter(hash_lock); + mutex_exit(hash_lock); + goto top; + } + + if (HDR_L2_WRITE_HEAD(hdr)) { + /* + * We hit a write head node. Leave it for + * l2arc_write_done(). + */ + list_remove(buflist, hdr); + mutex_exit(hash_lock); + continue; + } + + if (!all && HDR_HAS_L2HDR(hdr) && + (hdr->b_l2hdr.b_daddr > taddr || + hdr->b_l2hdr.b_daddr < dev->l2ad_hand)) { + /* + * We've evicted to the target address, + * or the end of the device. + */ + mutex_exit(hash_lock); + break; + } + + ASSERT(HDR_HAS_L2HDR(hdr)); + if (!HDR_HAS_L1HDR(hdr)) { + ASSERT(!HDR_L2_READING(hdr)); + /* + * This doesn't exist in the ARC. Destroy. + * arc_hdr_destroy() will call list_remove() + * and decrement arcstat_l2_size. + */ + arc_change_state(arc_anon, hdr, hash_lock); + arc_hdr_destroy(hdr); + } else { + ASSERT(hdr->b_l1hdr.b_state != arc_l2c_only); + ARCSTAT_BUMP(arcstat_l2_evict_l1cached); + /* + * Invalidate issued or about to be issued + * reads, since we may be about to write + * over this location. + */ + if (HDR_L2_READING(hdr)) { + ARCSTAT_BUMP(arcstat_l2_evict_reading); + hdr->b_flags |= ARC_FLAG_L2_EVICTED; + } + + /* Ensure this header has finished being written */ + ASSERT(!HDR_L2_WRITING(hdr)); + ASSERT3P(hdr->b_l1hdr.b_tmp_cdata, ==, NULL); + + arc_hdr_l2hdr_destroy(hdr); + } + mutex_exit(hash_lock); + } + mutex_exit(&dev->l2ad_mtx); +} + +/* + * Find and write ARC buffers to the L2ARC device. + * + * An ARC_FLAG_L2_WRITING flag is set so that the L2ARC buffers are not valid + * for reading until they have completed writing. + * The headroom_boost is an in-out parameter used to maintain headroom boost + * state between calls to this function. + * + * Returns the number of bytes actually written (which may be smaller than + * the delta by which the device hand has changed due to alignment). + */ +static uint64_t +l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz, + boolean_t *headroom_boost) +{ + arc_buf_hdr_t *hdr, *hdr_prev, *head; + uint64_t write_asize, write_sz, headroom, buf_compress_minsz, + stats_size; + void *buf_data; + boolean_t full; + l2arc_write_callback_t *cb; + zio_t *pio, *wzio; + uint64_t guid = spa_load_guid(spa); + int try; + const boolean_t do_headroom_boost = *headroom_boost; + + ASSERT(dev->l2ad_vdev != NULL); + + /* Lower the flag now, we might want to raise it again later. */ + *headroom_boost = B_FALSE; + + pio = NULL; + write_sz = write_asize = 0; + full = B_FALSE; + head = kmem_cache_alloc(hdr_l2only_cache, KM_PUSHPAGE); + head->b_flags |= ARC_FLAG_L2_WRITE_HEAD; + head->b_flags |= ARC_FLAG_HAS_L2HDR; + + /* + * We will want to try to compress buffers that are at least 2x the + * device sector size. + */ + buf_compress_minsz = 2 << dev->l2ad_vdev->vdev_ashift; + + /* + * Copy buffers for L2ARC writing. + */ + for (try = 0; try <= 3; try++) { + multilist_sublist_t *mls = l2arc_sublist_lock(try); + uint64_t passed_sz = 0; + + /* + * L2ARC fast warmup. + * + * Until the ARC is warm and starts to evict, read from the + * head of the ARC lists rather than the tail. + */ + if (arc_warm == B_FALSE) + hdr = multilist_sublist_head(mls); + else + hdr = multilist_sublist_tail(mls); + + headroom = target_sz * l2arc_headroom; + if (do_headroom_boost) + headroom = (headroom * l2arc_headroom_boost) / 100; + + for (; hdr; hdr = hdr_prev) { + kmutex_t *hash_lock; + uint64_t buf_sz; + uint64_t buf_a_sz; + + if (arc_warm == B_FALSE) + hdr_prev = multilist_sublist_next(mls, hdr); + else + hdr_prev = multilist_sublist_prev(mls, hdr); + + hash_lock = HDR_LOCK(hdr); + if (!mutex_tryenter(hash_lock)) { + /* + * Skip this buffer rather than waiting. + */ + continue; + } + + passed_sz += hdr->b_size; + if (passed_sz > headroom) { + /* + * Searched too far. + */ + mutex_exit(hash_lock); + break; + } + + if (!l2arc_write_eligible(guid, hdr)) { + mutex_exit(hash_lock); + continue; + } + + /* + * Assume that the buffer is not going to be compressed + * and could take more space on disk because of a larger + * disk block size. + */ + buf_sz = hdr->b_size; + buf_a_sz = vdev_psize_to_asize(dev->l2ad_vdev, buf_sz); + + if ((write_asize + buf_a_sz) > target_sz) { + full = B_TRUE; + mutex_exit(hash_lock); + break; + } + + if (pio == NULL) { + /* + * Insert a dummy header on the buflist so + * l2arc_write_done() can find where the + * write buffers begin without searching. + */ + mutex_enter(&dev->l2ad_mtx); + list_insert_head(&dev->l2ad_buflist, head); + mutex_exit(&dev->l2ad_mtx); + + cb = kmem_alloc( + sizeof (l2arc_write_callback_t), KM_SLEEP); + cb->l2wcb_dev = dev; + cb->l2wcb_head = head; + pio = zio_root(spa, l2arc_write_done, cb, + ZIO_FLAG_CANFAIL); + } + + /* + * Create and add a new L2ARC header. + */ + hdr->b_l2hdr.b_dev = dev; + hdr->b_flags |= ARC_FLAG_L2_WRITING; + /* + * Temporarily stash the data buffer in b_tmp_cdata. + * The subsequent write step will pick it up from + * there. This is because can't access b_l1hdr.b_buf + * without holding the hash_lock, which we in turn + * can't access without holding the ARC list locks + * (which we want to avoid during compression/writing) + */ + hdr->b_l2hdr.b_compress = ZIO_COMPRESS_OFF; + hdr->b_l2hdr.b_asize = hdr->b_size; + hdr->b_l2hdr.b_hits = 0; + hdr->b_l1hdr.b_tmp_cdata = hdr->b_l1hdr.b_buf->b_data; + + /* + * Explicitly set the b_daddr field to a known + * value which means "invalid address". This + * enables us to differentiate which stage of + * l2arc_write_buffers() the particular header + * is in (e.g. this loop, or the one below). + * ARC_FLAG_L2_WRITING is not enough to make + * this distinction, and we need to know in + * order to do proper l2arc vdev accounting in + * arc_release() and arc_hdr_destroy(). + * + * Note, we can't use a new flag to distinguish + * the two stages because we don't hold the + * header's hash_lock below, in the second stage + * of this function. Thus, we can't simply + * change the b_flags field to denote that the + * IO has been sent. We can change the b_daddr + * field of the L2 portion, though, since we'll + * be holding the l2ad_mtx; which is why we're + * using it to denote the header's state change. + */ + hdr->b_l2hdr.b_daddr = L2ARC_ADDR_UNSET; + hdr->b_flags |= ARC_FLAG_HAS_L2HDR; + + mutex_enter(&dev->l2ad_mtx); + list_insert_head(&dev->l2ad_buflist, hdr); + mutex_exit(&dev->l2ad_mtx); + + /* + * Compute and store the buffer cksum before + * writing. On debug the cksum is verified first. + */ + arc_cksum_verify(hdr->b_l1hdr.b_buf); + arc_cksum_compute(hdr->b_l1hdr.b_buf, B_TRUE); + + mutex_exit(hash_lock); + + write_sz += buf_sz; + write_asize += buf_a_sz; + } + + multilist_sublist_unlock(mls); + + if (full == B_TRUE) + break; + } + + /* No buffers selected for writing? */ + if (pio == NULL) { + ASSERT0(write_sz); + ASSERT(!HDR_HAS_L1HDR(head)); + kmem_cache_free(hdr_l2only_cache, head); + return (0); + } + + mutex_enter(&dev->l2ad_mtx); + + /* + * Note that elsewhere in this file arcstat_l2_asize + * and the used space on l2ad_vdev are updated using b_asize, + * which is not necessarily rounded up to the device block size. + * Too keep accounting consistent we do the same here as well: + * stats_size accumulates the sum of b_asize of the written buffers, + * while write_asize accumulates the sum of b_asize rounded up + * to the device block size. + * The latter sum is used only to validate the corectness of the code. + */ + stats_size = 0; + write_asize = 0; + + /* + * Now start writing the buffers. We're starting at the write head + * and work backwards, retracing the course of the buffer selector + * loop above. + */ + for (hdr = list_prev(&dev->l2ad_buflist, head); hdr; + hdr = list_prev(&dev->l2ad_buflist, hdr)) { + uint64_t buf_sz; + + /* + * We rely on the L1 portion of the header below, so + * it's invalid for this header to have been evicted out + * of the ghost cache, prior to being written out. The + * ARC_FLAG_L2_WRITING bit ensures this won't happen. + */ + ASSERT(HDR_HAS_L1HDR(hdr)); + + /* + * We shouldn't need to lock the buffer here, since we flagged + * it as ARC_FLAG_L2_WRITING in the previous step, but we must + * take care to only access its L2 cache parameters. In + * particular, hdr->l1hdr.b_buf may be invalid by now due to + * ARC eviction. + */ + hdr->b_l2hdr.b_daddr = dev->l2ad_hand; + + if ((!l2arc_nocompress && HDR_L2COMPRESS(hdr)) && + hdr->b_l2hdr.b_asize >= buf_compress_minsz) { + if (l2arc_compress_buf(hdr)) { + /* + * If compression succeeded, enable headroom + * boost on the next scan cycle. + */ + *headroom_boost = B_TRUE; + } + } + + /* + * Pick up the buffer data we had previously stashed away + * (and now potentially also compressed). + */ + buf_data = hdr->b_l1hdr.b_tmp_cdata; + buf_sz = hdr->b_l2hdr.b_asize; + + /* + * We need to do this regardless if buf_sz is zero or + * not, otherwise, when this l2hdr is evicted we'll + * remove a reference that was never added. + */ + (void) refcount_add_many(&dev->l2ad_alloc, buf_sz, hdr); + + /* Compression may have squashed the buffer to zero length. */ + if (buf_sz != 0) { + uint64_t buf_a_sz; + + wzio = zio_write_phys(pio, dev->l2ad_vdev, + dev->l2ad_hand, buf_sz, buf_data, ZIO_CHECKSUM_OFF, + NULL, NULL, ZIO_PRIORITY_ASYNC_WRITE, + ZIO_FLAG_CANFAIL, B_FALSE); + + DTRACE_PROBE2(l2arc__write, vdev_t *, dev->l2ad_vdev, + zio_t *, wzio); + (void) zio_nowait(wzio); + + stats_size += buf_sz; + + /* + * Keep the clock hand suitably device-aligned. + */ + buf_a_sz = vdev_psize_to_asize(dev->l2ad_vdev, buf_sz); + write_asize += buf_a_sz; + dev->l2ad_hand += buf_a_sz; + } + } + + mutex_exit(&dev->l2ad_mtx); + + ASSERT3U(write_asize, <=, target_sz); + ARCSTAT_BUMP(arcstat_l2_writes_sent); + ARCSTAT_INCR(arcstat_l2_write_bytes, write_asize); + ARCSTAT_INCR(arcstat_l2_size, write_sz); + ARCSTAT_INCR(arcstat_l2_asize, stats_size); + vdev_space_update(dev->l2ad_vdev, stats_size, 0, 0); + + /* + * Bump device hand to the device start if it is approaching the end. + * l2arc_evict() will already have evicted ahead for this case. + */ + if (dev->l2ad_hand >= (dev->l2ad_end - target_sz)) { + dev->l2ad_hand = dev->l2ad_start; + dev->l2ad_first = B_FALSE; + } + + dev->l2ad_writing = B_TRUE; + (void) zio_wait(pio); + dev->l2ad_writing = B_FALSE; + + return (write_asize); +} + +/* + * Compresses an L2ARC buffer. + * The data to be compressed must be prefilled in l1hdr.b_tmp_cdata and its + * size in l2hdr->b_asize. This routine tries to compress the data and + * depending on the compression result there are three possible outcomes: + * *) The buffer was incompressible. The original l2hdr contents were left + * untouched and are ready for writing to an L2 device. + * *) The buffer was all-zeros, so there is no need to write it to an L2 + * device. To indicate this situation b_tmp_cdata is NULL'ed, b_asize is + * set to zero and b_compress is set to ZIO_COMPRESS_EMPTY. + * *) Compression succeeded and b_tmp_cdata was replaced with a temporary + * data buffer which holds the compressed data to be written, and b_asize + * tells us how much data there is. b_compress is set to the appropriate + * compression algorithm. Once writing is done, invoke + * l2arc_release_cdata_buf on this l2hdr to free this temporary buffer. + * + * Returns B_TRUE if compression succeeded, or B_FALSE if it didn't (the + * buffer was incompressible). + */ +static boolean_t +l2arc_compress_buf(arc_buf_hdr_t *hdr) +{ + void *cdata; + size_t csize, len, rounded; + l2arc_buf_hdr_t *l2hdr; + + ASSERT(HDR_HAS_L2HDR(hdr)); + + l2hdr = &hdr->b_l2hdr; + + ASSERT(HDR_HAS_L1HDR(hdr)); + ASSERT3U(l2hdr->b_compress, ==, ZIO_COMPRESS_OFF); + ASSERT(hdr->b_l1hdr.b_tmp_cdata != NULL); + + len = l2hdr->b_asize; + cdata = zio_data_buf_alloc(len); + ASSERT3P(cdata, !=, NULL); + csize = zio_compress_data(ZIO_COMPRESS_LZ4, hdr->b_l1hdr.b_tmp_cdata, + cdata, l2hdr->b_asize); + + rounded = P2ROUNDUP(csize, (size_t)SPA_MINBLOCKSIZE); + if (rounded > csize) { + bzero((char *)cdata + csize, rounded - csize); + csize = rounded; + } + + if (csize == 0) { + /* zero block, indicate that there's nothing to write */ + zio_data_buf_free(cdata, len); + l2hdr->b_compress = ZIO_COMPRESS_EMPTY; + l2hdr->b_asize = 0; + hdr->b_l1hdr.b_tmp_cdata = NULL; + ARCSTAT_BUMP(arcstat_l2_compress_zeros); + return (B_TRUE); + } else if (csize > 0 && csize < len) { + /* + * Compression succeeded, we'll keep the cdata around for + * writing and release it afterwards. + */ + l2hdr->b_compress = ZIO_COMPRESS_LZ4; + l2hdr->b_asize = csize; + hdr->b_l1hdr.b_tmp_cdata = cdata; + ARCSTAT_BUMP(arcstat_l2_compress_successes); + return (B_TRUE); + } else { + /* + * Compression failed, release the compressed buffer. + * l2hdr will be left unmodified. + */ + zio_data_buf_free(cdata, len); + ARCSTAT_BUMP(arcstat_l2_compress_failures); + return (B_FALSE); + } +} + +/* + * Decompresses a zio read back from an l2arc device. On success, the + * underlying zio's io_data buffer is overwritten by the uncompressed + * version. On decompression error (corrupt compressed stream), the + * zio->io_error value is set to signal an I/O error. + * + * Please note that the compressed data stream is not checksummed, so + * if the underlying device is experiencing data corruption, we may feed + * corrupt data to the decompressor, so the decompressor needs to be + * able to handle this situation (LZ4 does). + */ +static void +l2arc_decompress_zio(zio_t *zio, arc_buf_hdr_t *hdr, enum zio_compress c) +{ + uint64_t csize; + void *cdata; + + ASSERT(L2ARC_IS_VALID_COMPRESS(c)); + + if (zio->io_error != 0) { + /* + * An io error has occured, just restore the original io + * size in preparation for a main pool read. + */ + zio->io_orig_size = zio->io_size = hdr->b_size; + return; + } + + if (c == ZIO_COMPRESS_EMPTY) { + /* + * An empty buffer results in a null zio, which means we + * need to fill its io_data after we're done restoring the + * buffer's contents. + */ + ASSERT(hdr->b_l1hdr.b_buf != NULL); + bzero(hdr->b_l1hdr.b_buf->b_data, hdr->b_size); + zio->io_data = zio->io_orig_data = hdr->b_l1hdr.b_buf->b_data; + } else { + ASSERT(zio->io_data != NULL); + /* + * We copy the compressed data from the start of the arc buffer + * (the zio_read will have pulled in only what we need, the + * rest is garbage which we will overwrite at decompression) + * and then decompress back to the ARC data buffer. This way we + * can minimize copying by simply decompressing back over the + * original compressed data (rather than decompressing to an + * aux buffer and then copying back the uncompressed buffer, + * which is likely to be much larger). + */ + csize = zio->io_size; + cdata = zio_data_buf_alloc(csize); + bcopy(zio->io_data, cdata, csize); + if (zio_decompress_data(c, cdata, zio->io_data, csize, + hdr->b_size) != 0) + zio->io_error = EIO; + zio_data_buf_free(cdata, csize); + } + + /* Restore the expected uncompressed IO size. */ + zio->io_orig_size = zio->io_size = hdr->b_size; +} + +/* + * Releases the temporary b_tmp_cdata buffer in an l2arc header structure. + * This buffer serves as a temporary holder of compressed data while + * the buffer entry is being written to an l2arc device. Once that is + * done, we can dispose of it. + */ +static void +l2arc_release_cdata_buf(arc_buf_hdr_t *hdr) +{ + enum zio_compress comp; + + ASSERT(HDR_HAS_L1HDR(hdr)); + ASSERT(HDR_HAS_L2HDR(hdr)); + comp = hdr->b_l2hdr.b_compress; + ASSERT(comp == ZIO_COMPRESS_OFF || L2ARC_IS_VALID_COMPRESS(comp)); + + if (comp == ZIO_COMPRESS_OFF) { + /* + * In this case, b_tmp_cdata points to the same buffer + * as the arc_buf_t's b_data field. We don't want to + * free it, since the arc_buf_t will handle that. + */ + hdr->b_l1hdr.b_tmp_cdata = NULL; + } else if (comp == ZIO_COMPRESS_EMPTY) { + /* + * In this case, b_tmp_cdata was compressed to an empty + * buffer, thus there's nothing to free and b_tmp_cdata + * should have been set to NULL in l2arc_write_buffers(). + */ + ASSERT3P(hdr->b_l1hdr.b_tmp_cdata, ==, NULL); + } else { + /* + * If the data was compressed, then we've allocated a + * temporary buffer for it, so now we need to release it. + */ + ASSERT(hdr->b_l1hdr.b_tmp_cdata != NULL); + zio_data_buf_free(hdr->b_l1hdr.b_tmp_cdata, + hdr->b_size); + hdr->b_l1hdr.b_tmp_cdata = NULL; + } + +} + +/* + * This thread feeds the L2ARC at regular intervals. This is the beating + * heart of the L2ARC. + */ +static void +l2arc_feed_thread(void) +{ + callb_cpr_t cpr; + l2arc_dev_t *dev; + spa_t *spa; + uint64_t size, wrote; + clock_t begin, next = ddi_get_lbolt(); + boolean_t headroom_boost = B_FALSE; + fstrans_cookie_t cookie; + + CALLB_CPR_INIT(&cpr, &l2arc_feed_thr_lock, callb_generic_cpr, FTAG); + + mutex_enter(&l2arc_feed_thr_lock); + + cookie = spl_fstrans_mark(); + while (l2arc_thread_exit == 0) { + CALLB_CPR_SAFE_BEGIN(&cpr); + (void) cv_timedwait_sig(&l2arc_feed_thr_cv, + &l2arc_feed_thr_lock, next); + CALLB_CPR_SAFE_END(&cpr, &l2arc_feed_thr_lock); + next = ddi_get_lbolt() + hz; + + /* + * Quick check for L2ARC devices. + */ + mutex_enter(&l2arc_dev_mtx); + if (l2arc_ndev == 0) { + mutex_exit(&l2arc_dev_mtx); + continue; + } + mutex_exit(&l2arc_dev_mtx); + begin = ddi_get_lbolt(); + + /* + * This selects the next l2arc device to write to, and in + * doing so the next spa to feed from: dev->l2ad_spa. This + * will return NULL if there are now no l2arc devices or if + * they are all faulted. + * + * If a device is returned, its spa's config lock is also + * held to prevent device removal. l2arc_dev_get_next() + * will grab and release l2arc_dev_mtx. + */ + if ((dev = l2arc_dev_get_next()) == NULL) + continue; + + spa = dev->l2ad_spa; + ASSERT(spa != NULL); + + /* + * If the pool is read-only then force the feed thread to + * sleep a little longer. + */ + if (!spa_writeable(spa)) { + next = ddi_get_lbolt() + 5 * l2arc_feed_secs * hz; + spa_config_exit(spa, SCL_L2ARC, dev); + continue; + } + + /* + * Avoid contributing to memory pressure. + */ + if (arc_reclaim_needed()) { + ARCSTAT_BUMP(arcstat_l2_abort_lowmem); + spa_config_exit(spa, SCL_L2ARC, dev); + continue; + } + + ARCSTAT_BUMP(arcstat_l2_feeds); + + size = l2arc_write_size(); + + /* + * Evict L2ARC buffers that will be overwritten. + */ + l2arc_evict(dev, size, B_FALSE); + + /* + * Write ARC buffers. + */ + wrote = l2arc_write_buffers(spa, dev, size, &headroom_boost); + + /* + * Calculate interval between writes. + */ + next = l2arc_write_interval(begin, size, wrote); + spa_config_exit(spa, SCL_L2ARC, dev); + } + spl_fstrans_unmark(cookie); + + l2arc_thread_exit = 0; + cv_broadcast(&l2arc_feed_thr_cv); + CALLB_CPR_EXIT(&cpr); /* drops l2arc_feed_thr_lock */ + thread_exit(); +} + +boolean_t +l2arc_vdev_present(vdev_t *vd) +{ + l2arc_dev_t *dev; + + mutex_enter(&l2arc_dev_mtx); + for (dev = list_head(l2arc_dev_list); dev != NULL; + dev = list_next(l2arc_dev_list, dev)) { + if (dev->l2ad_vdev == vd) + break; + } + mutex_exit(&l2arc_dev_mtx); + + return (dev != NULL); +} + +/* + * Add a vdev for use by the L2ARC. By this point the spa has already + * validated the vdev and opened it. + */ +void +l2arc_add_vdev(spa_t *spa, vdev_t *vd) +{ + l2arc_dev_t *adddev; + + ASSERT(!l2arc_vdev_present(vd)); + + /* + * Create a new l2arc device entry. + */ + adddev = kmem_zalloc(sizeof (l2arc_dev_t), KM_SLEEP); + adddev->l2ad_spa = spa; + adddev->l2ad_vdev = vd; + adddev->l2ad_start = VDEV_LABEL_START_SIZE; + adddev->l2ad_end = VDEV_LABEL_START_SIZE + vdev_get_min_asize(vd); + adddev->l2ad_hand = adddev->l2ad_start; + adddev->l2ad_first = B_TRUE; + adddev->l2ad_writing = B_FALSE; + list_link_init(&adddev->l2ad_node); + + mutex_init(&adddev->l2ad_mtx, NULL, MUTEX_DEFAULT, NULL); + /* + * This is a list of all ARC buffers that are still valid on the + * device. + */ + list_create(&adddev->l2ad_buflist, sizeof (arc_buf_hdr_t), + offsetof(arc_buf_hdr_t, b_l2hdr.b_l2node)); + + vdev_space_update(vd, 0, 0, adddev->l2ad_end - adddev->l2ad_hand); + refcount_create(&adddev->l2ad_alloc); + + /* + * Add device to global list + */ + mutex_enter(&l2arc_dev_mtx); + list_insert_head(l2arc_dev_list, adddev); + atomic_inc_64(&l2arc_ndev); + mutex_exit(&l2arc_dev_mtx); +} + +/* + * Remove a vdev from the L2ARC. + */ +void +l2arc_remove_vdev(vdev_t *vd) +{ + l2arc_dev_t *dev, *nextdev, *remdev = NULL; + + /* + * Find the device by vdev + */ + mutex_enter(&l2arc_dev_mtx); + for (dev = list_head(l2arc_dev_list); dev; dev = nextdev) { + nextdev = list_next(l2arc_dev_list, dev); + if (vd == dev->l2ad_vdev) { + remdev = dev; + break; + } + } + ASSERT(remdev != NULL); + + /* + * Remove device from global list + */ + list_remove(l2arc_dev_list, remdev); + l2arc_dev_last = NULL; /* may have been invalidated */ + atomic_dec_64(&l2arc_ndev); + mutex_exit(&l2arc_dev_mtx); + + /* + * Clear all buflists and ARC references. L2ARC device flush. + */ + l2arc_evict(remdev, 0, B_TRUE); + list_destroy(&remdev->l2ad_buflist); + mutex_destroy(&remdev->l2ad_mtx); + refcount_destroy(&remdev->l2ad_alloc); + kmem_free(remdev, sizeof (l2arc_dev_t)); +} + +void +l2arc_init(void) +{ + l2arc_thread_exit = 0; + l2arc_ndev = 0; + l2arc_writes_sent = 0; + l2arc_writes_done = 0; + + mutex_init(&l2arc_feed_thr_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&l2arc_feed_thr_cv, NULL, CV_DEFAULT, NULL); + mutex_init(&l2arc_dev_mtx, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&l2arc_free_on_write_mtx, NULL, MUTEX_DEFAULT, NULL); + + l2arc_dev_list = &L2ARC_dev_list; + l2arc_free_on_write = &L2ARC_free_on_write; + list_create(l2arc_dev_list, sizeof (l2arc_dev_t), + offsetof(l2arc_dev_t, l2ad_node)); + list_create(l2arc_free_on_write, sizeof (l2arc_data_free_t), + offsetof(l2arc_data_free_t, l2df_list_node)); +} + +void +l2arc_fini(void) +{ + /* + * This is called from dmu_fini(), which is called from spa_fini(); + * Because of this, we can assume that all l2arc devices have + * already been removed when the pools themselves were removed. + */ + + l2arc_do_free_on_write(); + + mutex_destroy(&l2arc_feed_thr_lock); + cv_destroy(&l2arc_feed_thr_cv); + mutex_destroy(&l2arc_dev_mtx); + mutex_destroy(&l2arc_free_on_write_mtx); + + list_destroy(l2arc_dev_list); + list_destroy(l2arc_free_on_write); +} + +void +l2arc_start(void) +{ + if (!(spa_mode_global & FWRITE)) + return; + + (void) thread_create(NULL, 0, l2arc_feed_thread, NULL, 0, &p0, + TS_RUN, defclsyspri); +} + +void +l2arc_stop(void) +{ + if (!(spa_mode_global & FWRITE)) + return; + + mutex_enter(&l2arc_feed_thr_lock); + cv_signal(&l2arc_feed_thr_cv); /* kick thread out of startup */ + l2arc_thread_exit = 1; + while (l2arc_thread_exit != 0) + cv_wait(&l2arc_feed_thr_cv, &l2arc_feed_thr_lock); + mutex_exit(&l2arc_feed_thr_lock); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(arc_buf_size); +EXPORT_SYMBOL(arc_write); +EXPORT_SYMBOL(arc_read); +EXPORT_SYMBOL(arc_buf_remove_ref); +EXPORT_SYMBOL(arc_buf_info); +EXPORT_SYMBOL(arc_getbuf_func); +EXPORT_SYMBOL(arc_add_prune_callback); +EXPORT_SYMBOL(arc_remove_prune_callback); + +module_param(zfs_arc_min, ulong, 0644); +MODULE_PARM_DESC(zfs_arc_min, "Min arc size"); + +module_param(zfs_arc_max, ulong, 0644); +MODULE_PARM_DESC(zfs_arc_max, "Max arc size"); + +module_param(zfs_arc_meta_limit, ulong, 0644); +MODULE_PARM_DESC(zfs_arc_meta_limit, "Meta limit for arc size"); + +module_param(zfs_arc_meta_min, ulong, 0644); +MODULE_PARM_DESC(zfs_arc_meta_min, "Min arc metadata"); + +module_param(zfs_arc_meta_prune, int, 0644); +MODULE_PARM_DESC(zfs_arc_meta_prune, "Meta objects to scan for prune"); + +module_param(zfs_arc_meta_adjust_restarts, int, 0644); +MODULE_PARM_DESC(zfs_arc_meta_adjust_restarts, + "Limit number of restarts in arc_adjust_meta"); + +module_param(zfs_arc_meta_strategy, int, 0644); +MODULE_PARM_DESC(zfs_arc_meta_strategy, "Meta reclaim strategy"); + +module_param(zfs_arc_grow_retry, int, 0644); +MODULE_PARM_DESC(zfs_arc_grow_retry, "Seconds before growing arc size"); + +module_param(zfs_arc_p_aggressive_disable, int, 0644); +MODULE_PARM_DESC(zfs_arc_p_aggressive_disable, "disable aggressive arc_p grow"); + +module_param(zfs_arc_p_dampener_disable, int, 0644); +MODULE_PARM_DESC(zfs_arc_p_dampener_disable, "disable arc_p adapt dampener"); + +module_param(zfs_arc_shrink_shift, int, 0644); +MODULE_PARM_DESC(zfs_arc_shrink_shift, "log2(fraction of arc to reclaim)"); + +module_param(zfs_arc_p_min_shift, int, 0644); +MODULE_PARM_DESC(zfs_arc_p_min_shift, "arc_c shift to calc min/max arc_p"); + +module_param(zfs_disable_dup_eviction, int, 0644); +MODULE_PARM_DESC(zfs_disable_dup_eviction, "disable duplicate buffer eviction"); + +module_param(zfs_arc_average_blocksize, int, 0444); +MODULE_PARM_DESC(zfs_arc_average_blocksize, "Target average block size"); + +module_param(zfs_arc_min_prefetch_lifespan, int, 0644); +MODULE_PARM_DESC(zfs_arc_min_prefetch_lifespan, "Min life of prefetch block"); + +module_param(zfs_arc_num_sublists_per_state, int, 0644); +MODULE_PARM_DESC(zfs_arc_num_sublists_per_state, + "Number of sublists used in each of the ARC state lists"); + +module_param(l2arc_write_max, ulong, 0644); +MODULE_PARM_DESC(l2arc_write_max, "Max write bytes per interval"); + +module_param(l2arc_write_boost, ulong, 0644); +MODULE_PARM_DESC(l2arc_write_boost, "Extra write bytes during device warmup"); + +module_param(l2arc_headroom, ulong, 0644); +MODULE_PARM_DESC(l2arc_headroom, "Number of max device writes to precache"); + +module_param(l2arc_headroom_boost, ulong, 0644); +MODULE_PARM_DESC(l2arc_headroom_boost, "Compressed l2arc_headroom multiplier"); + +module_param(l2arc_feed_secs, ulong, 0644); +MODULE_PARM_DESC(l2arc_feed_secs, "Seconds between L2ARC writing"); + +module_param(l2arc_feed_min_ms, ulong, 0644); +MODULE_PARM_DESC(l2arc_feed_min_ms, "Min feed interval in milliseconds"); + +module_param(l2arc_noprefetch, int, 0644); +MODULE_PARM_DESC(l2arc_noprefetch, "Skip caching prefetched buffers"); + +module_param(l2arc_nocompress, int, 0644); +MODULE_PARM_DESC(l2arc_nocompress, "Skip compressing L2ARC buffers"); + +module_param(l2arc_feed_again, int, 0644); +MODULE_PARM_DESC(l2arc_feed_again, "Turbo L2ARC warmup"); + +module_param(l2arc_norw, int, 0644); +MODULE_PARM_DESC(l2arc_norw, "No reads during writes"); + +module_param(zfs_arc_lotsfree_percent, int, 0644); +MODULE_PARM_DESC(zfs_arc_lotsfree_percent, + "System free memory I/O throttle in bytes"); + +module_param(zfs_arc_sys_free, ulong, 0644); +MODULE_PARM_DESC(zfs_arc_sys_free, "System free memory target size in bytes"); + +#endif diff --git a/zfs/module/zfs/blkptr.c b/zfs/module/zfs/blkptr.c new file mode 100644 index 000000000000..d56e19996d8d --- /dev/null +++ b/zfs/module/zfs/blkptr.c @@ -0,0 +1,121 @@ +/* + * CDDL HEADER START + * + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include + +/* + * Embedded-data Block Pointers + * + * Normally, block pointers point (via their DVAs) to a block which holds data. + * If the data that we need to store is very small, this is an inefficient + * use of space, because a block must be at minimum 1 sector (typically 512 + * bytes or 4KB). Additionally, reading these small blocks tends to generate + * more random reads. + * + * Embedded-data Block Pointers allow small pieces of data (the "payload", + * up to 112 bytes) to be stored in the block pointer itself, instead of + * being pointed to. The "Pointer" part of this name is a bit of a + * misnomer, as nothing is pointed to. + * + * BP_EMBEDDED_TYPE_DATA block pointers allow highly-compressible data to + * be embedded in the block pointer. The logic for this is handled in + * the SPA, by the zio pipeline. Therefore most code outside the zio + * pipeline doesn't need special-cases to handle these block pointers. + * + * See spa.h for details on the exact layout of embedded block pointers. + */ + +void +encode_embedded_bp_compressed(blkptr_t *bp, void *data, + enum zio_compress comp, int uncompressed_size, int compressed_size) +{ + uint64_t *bp64 = (uint64_t *)bp; + uint64_t w = 0; + uint8_t *data8 = data; + int i; + + ASSERT3U(compressed_size, <=, BPE_PAYLOAD_SIZE); + ASSERT(uncompressed_size == compressed_size || + comp != ZIO_COMPRESS_OFF); + ASSERT3U(comp, >=, ZIO_COMPRESS_OFF); + ASSERT3U(comp, <, ZIO_COMPRESS_FUNCTIONS); + + bzero(bp, sizeof (*bp)); + BP_SET_EMBEDDED(bp, B_TRUE); + BP_SET_COMPRESS(bp, comp); + BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); + BPE_SET_LSIZE(bp, uncompressed_size); + BPE_SET_PSIZE(bp, compressed_size); + + /* + * Encode the byte array into the words of the block pointer. + * First byte goes into low bits of first word (little endian). + */ + for (i = 0; i < compressed_size; i++) { + BF64_SET(w, (i % sizeof (w)) * NBBY, NBBY, data8[i]); + if (i % sizeof (w) == sizeof (w) - 1) { + /* we've reached the end of a word */ + ASSERT3P(bp64, <, bp + 1); + *bp64 = w; + bp64++; + if (!BPE_IS_PAYLOADWORD(bp, bp64)) + bp64++; + w = 0; + } + } + /* write last partial word */ + if (bp64 < (uint64_t *)(bp + 1)) + *bp64 = w; +} + +/* + * buf must be at least BPE_GET_PSIZE(bp) bytes long (which will never be + * more than BPE_PAYLOAD_SIZE bytes). + */ +void +decode_embedded_bp_compressed(const blkptr_t *bp, void *buf) +{ + int psize; + uint8_t *buf8 = buf; + uint64_t w = 0; + const uint64_t *bp64 = (const uint64_t *)bp; + int i; + + ASSERT(BP_IS_EMBEDDED(bp)); + + psize = BPE_GET_PSIZE(bp); + + /* + * Decode the words of the block pointer into the byte array. + * Low bits of first word are the first byte (little endian). + */ + for (i = 0; i < psize; i++) { + if (i % sizeof (w) == 0) { + /* beginning of a word */ + ASSERT3P(bp64, <, bp + 1); + w = *bp64; + bp64++; + if (!BPE_IS_PAYLOADWORD(bp, bp64)) + bp64++; + } + buf8[i] = BF64_GET(w, (i % sizeof (w)) * NBBY, NBBY); + } +} diff --git a/zfs/module/zfs/bplist.c b/zfs/module/zfs/bplist.c new file mode 100644 index 000000000000..c81151e08aaf --- /dev/null +++ b/zfs/module/zfs/bplist.c @@ -0,0 +1,77 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#include +#include + + +void +bplist_create(bplist_t *bpl) +{ + mutex_init(&bpl->bpl_lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&bpl->bpl_list, sizeof (bplist_entry_t), + offsetof(bplist_entry_t, bpe_node)); +} + +void +bplist_destroy(bplist_t *bpl) +{ + list_destroy(&bpl->bpl_list); + mutex_destroy(&bpl->bpl_lock); +} + +void +bplist_append(bplist_t *bpl, const blkptr_t *bp) +{ + bplist_entry_t *bpe = kmem_alloc(sizeof (*bpe), KM_SLEEP); + + mutex_enter(&bpl->bpl_lock); + bpe->bpe_blk = *bp; + list_insert_tail(&bpl->bpl_list, bpe); + mutex_exit(&bpl->bpl_lock); +} + +/* + * To aid debugging, we keep the most recently removed entry. This way if + * we are in the callback, we can easily locate the entry. + */ +static bplist_entry_t *bplist_iterate_last_removed; + +void +bplist_iterate(bplist_t *bpl, bplist_itor_t *func, void *arg, dmu_tx_t *tx) +{ + bplist_entry_t *bpe; + + mutex_enter(&bpl->bpl_lock); + while ((bpe = list_head(&bpl->bpl_list))) { + bplist_iterate_last_removed = bpe; + list_remove(&bpl->bpl_list, bpe); + mutex_exit(&bpl->bpl_lock); + func(arg, &bpe->bpe_blk, tx); + kmem_free(bpe, sizeof (*bpe)); + mutex_enter(&bpl->bpl_lock); + } + mutex_exit(&bpl->bpl_lock); +} diff --git a/zfs/module/zfs/bpobj.c b/zfs/module/zfs/bpobj.c new file mode 100644 index 000000000000..17d98c36e134 --- /dev/null +++ b/zfs/module/zfs/bpobj.c @@ -0,0 +1,591 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +/* + * Return an empty bpobj, preferably the empty dummy one (dp_empty_bpobj). + */ +uint64_t +bpobj_alloc_empty(objset_t *os, int blocksize, dmu_tx_t *tx) +{ + spa_t *spa = dmu_objset_spa(os); + dsl_pool_t *dp = dmu_objset_pool(os); + + if (spa_feature_is_enabled(spa, SPA_FEATURE_EMPTY_BPOBJ)) { + if (!spa_feature_is_active(spa, SPA_FEATURE_EMPTY_BPOBJ)) { + ASSERT0(dp->dp_empty_bpobj); + dp->dp_empty_bpobj = + bpobj_alloc(os, SPA_OLD_MAXBLOCKSIZE, tx); + VERIFY(zap_add(os, + DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_EMPTY_BPOBJ, sizeof (uint64_t), 1, + &dp->dp_empty_bpobj, tx) == 0); + } + spa_feature_incr(spa, SPA_FEATURE_EMPTY_BPOBJ, tx); + ASSERT(dp->dp_empty_bpobj != 0); + return (dp->dp_empty_bpobj); + } else { + return (bpobj_alloc(os, blocksize, tx)); + } +} + +void +bpobj_decr_empty(objset_t *os, dmu_tx_t *tx) +{ + dsl_pool_t *dp = dmu_objset_pool(os); + + spa_feature_decr(dmu_objset_spa(os), SPA_FEATURE_EMPTY_BPOBJ, tx); + if (!spa_feature_is_active(dmu_objset_spa(os), + SPA_FEATURE_EMPTY_BPOBJ)) { + VERIFY3U(0, ==, zap_remove(dp->dp_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_EMPTY_BPOBJ, tx)); + VERIFY3U(0, ==, dmu_object_free(os, dp->dp_empty_bpobj, tx)); + dp->dp_empty_bpobj = 0; + } +} + +uint64_t +bpobj_alloc(objset_t *os, int blocksize, dmu_tx_t *tx) +{ + int size; + + if (spa_version(dmu_objset_spa(os)) < SPA_VERSION_BPOBJ_ACCOUNT) + size = BPOBJ_SIZE_V0; + else if (spa_version(dmu_objset_spa(os)) < SPA_VERSION_DEADLISTS) + size = BPOBJ_SIZE_V1; + else + size = sizeof (bpobj_phys_t); + + return (dmu_object_alloc(os, DMU_OT_BPOBJ, blocksize, + DMU_OT_BPOBJ_HDR, size, tx)); +} + +void +bpobj_free(objset_t *os, uint64_t obj, dmu_tx_t *tx) +{ + int64_t i; + bpobj_t bpo; + dmu_object_info_t doi; + int epb; + dmu_buf_t *dbuf = NULL; + + ASSERT(obj != dmu_objset_pool(os)->dp_empty_bpobj); + VERIFY3U(0, ==, bpobj_open(&bpo, os, obj)); + + mutex_enter(&bpo.bpo_lock); + + if (!bpo.bpo_havesubobj || bpo.bpo_phys->bpo_subobjs == 0) + goto out; + + VERIFY3U(0, ==, dmu_object_info(os, bpo.bpo_phys->bpo_subobjs, &doi)); + epb = doi.doi_data_block_size / sizeof (uint64_t); + + for (i = bpo.bpo_phys->bpo_num_subobjs - 1; i >= 0; i--) { + uint64_t *objarray; + uint64_t offset, blkoff; + + offset = i * sizeof (uint64_t); + blkoff = P2PHASE(i, epb); + + if (dbuf == NULL || dbuf->db_offset > offset) { + if (dbuf) + dmu_buf_rele(dbuf, FTAG); + VERIFY3U(0, ==, dmu_buf_hold(os, + bpo.bpo_phys->bpo_subobjs, offset, FTAG, &dbuf, 0)); + } + + ASSERT3U(offset, >=, dbuf->db_offset); + ASSERT3U(offset, <, dbuf->db_offset + dbuf->db_size); + + objarray = dbuf->db_data; + bpobj_free(os, objarray[blkoff], tx); + } + if (dbuf) { + dmu_buf_rele(dbuf, FTAG); + dbuf = NULL; + } + VERIFY3U(0, ==, dmu_object_free(os, bpo.bpo_phys->bpo_subobjs, tx)); + +out: + mutex_exit(&bpo.bpo_lock); + bpobj_close(&bpo); + + VERIFY3U(0, ==, dmu_object_free(os, obj, tx)); +} + +int +bpobj_open(bpobj_t *bpo, objset_t *os, uint64_t object) +{ + dmu_object_info_t doi; + int err; + + err = dmu_object_info(os, object, &doi); + if (err) + return (err); + + bzero(bpo, sizeof (*bpo)); + mutex_init(&bpo->bpo_lock, NULL, MUTEX_DEFAULT, NULL); + + ASSERT(bpo->bpo_dbuf == NULL); + ASSERT(bpo->bpo_phys == NULL); + ASSERT(object != 0); + ASSERT3U(doi.doi_type, ==, DMU_OT_BPOBJ); + ASSERT3U(doi.doi_bonus_type, ==, DMU_OT_BPOBJ_HDR); + + err = dmu_bonus_hold(os, object, bpo, &bpo->bpo_dbuf); + if (err) + return (err); + + bpo->bpo_os = os; + bpo->bpo_object = object; + bpo->bpo_epb = doi.doi_data_block_size >> SPA_BLKPTRSHIFT; + bpo->bpo_havecomp = (doi.doi_bonus_size > BPOBJ_SIZE_V0); + bpo->bpo_havesubobj = (doi.doi_bonus_size > BPOBJ_SIZE_V1); + bpo->bpo_phys = bpo->bpo_dbuf->db_data; + return (0); +} + +void +bpobj_close(bpobj_t *bpo) +{ + /* Lame workaround for closing a bpobj that was never opened. */ + if (bpo->bpo_object == 0) + return; + + dmu_buf_rele(bpo->bpo_dbuf, bpo); + if (bpo->bpo_cached_dbuf != NULL) + dmu_buf_rele(bpo->bpo_cached_dbuf, bpo); + bpo->bpo_dbuf = NULL; + bpo->bpo_phys = NULL; + bpo->bpo_cached_dbuf = NULL; + bpo->bpo_object = 0; + + mutex_destroy(&bpo->bpo_lock); +} + +static boolean_t +bpobj_hasentries(bpobj_t *bpo) +{ + return (bpo->bpo_phys->bpo_num_blkptrs != 0 || + (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_num_subobjs != 0)); +} + +static int +bpobj_iterate_impl(bpobj_t *bpo, bpobj_itor_t func, void *arg, dmu_tx_t *tx, + boolean_t free) +{ + dmu_object_info_t doi; + int epb; + int64_t i; + int err = 0; + dmu_buf_t *dbuf = NULL; + + mutex_enter(&bpo->bpo_lock); + + if (free) + dmu_buf_will_dirty(bpo->bpo_dbuf, tx); + + for (i = bpo->bpo_phys->bpo_num_blkptrs - 1; i >= 0; i--) { + blkptr_t *bparray; + blkptr_t *bp; + uint64_t offset, blkoff; + + offset = i * sizeof (blkptr_t); + blkoff = P2PHASE(i, bpo->bpo_epb); + + if (dbuf == NULL || dbuf->db_offset > offset) { + if (dbuf) + dmu_buf_rele(dbuf, FTAG); + err = dmu_buf_hold(bpo->bpo_os, bpo->bpo_object, offset, + FTAG, &dbuf, 0); + if (err) + break; + } + + ASSERT3U(offset, >=, dbuf->db_offset); + ASSERT3U(offset, <, dbuf->db_offset + dbuf->db_size); + + bparray = dbuf->db_data; + bp = &bparray[blkoff]; + err = func(arg, bp, tx); + if (err) + break; + if (free) { + bpo->bpo_phys->bpo_bytes -= + bp_get_dsize_sync(dmu_objset_spa(bpo->bpo_os), bp); + ASSERT3S(bpo->bpo_phys->bpo_bytes, >=, 0); + if (bpo->bpo_havecomp) { + bpo->bpo_phys->bpo_comp -= BP_GET_PSIZE(bp); + bpo->bpo_phys->bpo_uncomp -= BP_GET_UCSIZE(bp); + } + bpo->bpo_phys->bpo_num_blkptrs--; + ASSERT3S(bpo->bpo_phys->bpo_num_blkptrs, >=, 0); + } + } + if (dbuf) { + dmu_buf_rele(dbuf, FTAG); + dbuf = NULL; + } + if (free) { + VERIFY3U(0, ==, dmu_free_range(bpo->bpo_os, bpo->bpo_object, + (i + 1) * sizeof (blkptr_t), -1ULL, tx)); + } + if (err || !bpo->bpo_havesubobj || bpo->bpo_phys->bpo_subobjs == 0) + goto out; + + ASSERT(bpo->bpo_havecomp); + err = dmu_object_info(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, &doi); + if (err) { + mutex_exit(&bpo->bpo_lock); + return (err); + } + ASSERT3U(doi.doi_type, ==, DMU_OT_BPOBJ_SUBOBJ); + epb = doi.doi_data_block_size / sizeof (uint64_t); + + for (i = bpo->bpo_phys->bpo_num_subobjs - 1; i >= 0; i--) { + uint64_t *objarray; + uint64_t offset, blkoff; + bpobj_t sublist; + uint64_t used_before, comp_before, uncomp_before; + uint64_t used_after, comp_after, uncomp_after; + + offset = i * sizeof (uint64_t); + blkoff = P2PHASE(i, epb); + + if (dbuf == NULL || dbuf->db_offset > offset) { + if (dbuf) + dmu_buf_rele(dbuf, FTAG); + err = dmu_buf_hold(bpo->bpo_os, + bpo->bpo_phys->bpo_subobjs, offset, FTAG, &dbuf, 0); + if (err) + break; + } + + ASSERT3U(offset, >=, dbuf->db_offset); + ASSERT3U(offset, <, dbuf->db_offset + dbuf->db_size); + + objarray = dbuf->db_data; + err = bpobj_open(&sublist, bpo->bpo_os, objarray[blkoff]); + if (err) + break; + if (free) { + err = bpobj_space(&sublist, + &used_before, &comp_before, &uncomp_before); + if (err != 0) { + bpobj_close(&sublist); + break; + } + } + err = bpobj_iterate_impl(&sublist, func, arg, tx, free); + if (free) { + VERIFY3U(0, ==, bpobj_space(&sublist, + &used_after, &comp_after, &uncomp_after)); + bpo->bpo_phys->bpo_bytes -= used_before - used_after; + ASSERT3S(bpo->bpo_phys->bpo_bytes, >=, 0); + bpo->bpo_phys->bpo_comp -= comp_before - comp_after; + bpo->bpo_phys->bpo_uncomp -= + uncomp_before - uncomp_after; + } + + bpobj_close(&sublist); + if (err) + break; + if (free) { + err = dmu_object_free(bpo->bpo_os, + objarray[blkoff], tx); + if (err) + break; + bpo->bpo_phys->bpo_num_subobjs--; + ASSERT3S(bpo->bpo_phys->bpo_num_subobjs, >=, 0); + } + } + if (dbuf) { + dmu_buf_rele(dbuf, FTAG); + dbuf = NULL; + } + if (free) { + VERIFY3U(0, ==, dmu_free_range(bpo->bpo_os, + bpo->bpo_phys->bpo_subobjs, + (i + 1) * sizeof (uint64_t), -1ULL, tx)); + } + +out: + /* If there are no entries, there should be no bytes. */ + if (!bpobj_hasentries(bpo)) { + ASSERT0(bpo->bpo_phys->bpo_bytes); + ASSERT0(bpo->bpo_phys->bpo_comp); + ASSERT0(bpo->bpo_phys->bpo_uncomp); + } + + mutex_exit(&bpo->bpo_lock); + return (err); +} + +/* + * Iterate and remove the entries. If func returns nonzero, iteration + * will stop and that entry will not be removed. + */ +int +bpobj_iterate(bpobj_t *bpo, bpobj_itor_t func, void *arg, dmu_tx_t *tx) +{ + return (bpobj_iterate_impl(bpo, func, arg, tx, B_TRUE)); +} + +/* + * Iterate the entries. If func returns nonzero, iteration will stop. + */ +int +bpobj_iterate_nofree(bpobj_t *bpo, bpobj_itor_t func, void *arg, dmu_tx_t *tx) +{ + return (bpobj_iterate_impl(bpo, func, arg, tx, B_FALSE)); +} + +void +bpobj_enqueue_subobj(bpobj_t *bpo, uint64_t subobj, dmu_tx_t *tx) +{ + bpobj_t subbpo; + uint64_t used, comp, uncomp, subsubobjs; + ASSERTV(dmu_object_info_t doi); + + ASSERT(bpo->bpo_havesubobj); + ASSERT(bpo->bpo_havecomp); + ASSERT(bpo->bpo_object != dmu_objset_pool(bpo->bpo_os)->dp_empty_bpobj); + + if (subobj == dmu_objset_pool(bpo->bpo_os)->dp_empty_bpobj) { + bpobj_decr_empty(bpo->bpo_os, tx); + return; + } + + VERIFY3U(0, ==, bpobj_open(&subbpo, bpo->bpo_os, subobj)); + VERIFY3U(0, ==, bpobj_space(&subbpo, &used, &comp, &uncomp)); + + if (!bpobj_hasentries(&subbpo)) { + /* No point in having an empty subobj. */ + bpobj_close(&subbpo); + bpobj_free(bpo->bpo_os, subobj, tx); + return; + } + + dmu_buf_will_dirty(bpo->bpo_dbuf, tx); + if (bpo->bpo_phys->bpo_subobjs == 0) { + bpo->bpo_phys->bpo_subobjs = dmu_object_alloc(bpo->bpo_os, + DMU_OT_BPOBJ_SUBOBJ, SPA_OLD_MAXBLOCKSIZE, + DMU_OT_NONE, 0, tx); + } + + ASSERT0(dmu_object_info(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, &doi)); + ASSERT3U(doi.doi_type, ==, DMU_OT_BPOBJ_SUBOBJ); + + mutex_enter(&bpo->bpo_lock); + dmu_write(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, + bpo->bpo_phys->bpo_num_subobjs * sizeof (subobj), + sizeof (subobj), &subobj, tx); + bpo->bpo_phys->bpo_num_subobjs++; + + /* + * If subobj has only one block of subobjs, then move subobj's + * subobjs to bpo's subobj list directly. This reduces + * recursion in bpobj_iterate due to nested subobjs. + */ + subsubobjs = subbpo.bpo_phys->bpo_subobjs; + if (subsubobjs != 0) { + dmu_object_info_t doi; + + VERIFY3U(0, ==, dmu_object_info(bpo->bpo_os, subsubobjs, &doi)); + if (doi.doi_max_offset == doi.doi_data_block_size) { + dmu_buf_t *subdb; + uint64_t numsubsub = subbpo.bpo_phys->bpo_num_subobjs; + + VERIFY3U(0, ==, dmu_buf_hold(bpo->bpo_os, subsubobjs, + 0, FTAG, &subdb, 0)); + /* + * Make sure that we are not asking dmu_write() + * to write more data than we have in our buffer. + */ + VERIFY3U(subdb->db_size, >=, + numsubsub * sizeof (subobj)); + dmu_write(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, + bpo->bpo_phys->bpo_num_subobjs * sizeof (subobj), + numsubsub * sizeof (subobj), subdb->db_data, tx); + dmu_buf_rele(subdb, FTAG); + bpo->bpo_phys->bpo_num_subobjs += numsubsub; + + dmu_buf_will_dirty(subbpo.bpo_dbuf, tx); + subbpo.bpo_phys->bpo_subobjs = 0; + VERIFY3U(0, ==, dmu_object_free(bpo->bpo_os, + subsubobjs, tx)); + } + } + bpo->bpo_phys->bpo_bytes += used; + bpo->bpo_phys->bpo_comp += comp; + bpo->bpo_phys->bpo_uncomp += uncomp; + mutex_exit(&bpo->bpo_lock); + + bpobj_close(&subbpo); +} + +void +bpobj_enqueue(bpobj_t *bpo, const blkptr_t *bp, dmu_tx_t *tx) +{ + blkptr_t stored_bp = *bp; + uint64_t offset; + int blkoff; + blkptr_t *bparray; + + ASSERT(!BP_IS_HOLE(bp)); + ASSERT(bpo->bpo_object != dmu_objset_pool(bpo->bpo_os)->dp_empty_bpobj); + + if (BP_IS_EMBEDDED(bp)) { + /* + * The bpobj will compress better without the payload. + * + * Note that we store EMBEDDED bp's because they have an + * uncompressed size, which must be accounted for. An + * alternative would be to add their size to bpo_uncomp + * without storing the bp, but that would create additional + * complications: bpo_uncomp would be inconsistent with the + * set of BP's stored, and bpobj_iterate() wouldn't visit + * all the space accounted for in the bpobj. + */ + bzero(&stored_bp, sizeof (stored_bp)); + stored_bp.blk_prop = bp->blk_prop; + stored_bp.blk_birth = bp->blk_birth; + } else if (!BP_GET_DEDUP(bp)) { + /* The bpobj will compress better without the checksum */ + bzero(&stored_bp.blk_cksum, sizeof (stored_bp.blk_cksum)); + } + + /* We never need the fill count. */ + stored_bp.blk_fill = 0; + + mutex_enter(&bpo->bpo_lock); + + offset = bpo->bpo_phys->bpo_num_blkptrs * sizeof (stored_bp); + blkoff = P2PHASE(bpo->bpo_phys->bpo_num_blkptrs, bpo->bpo_epb); + + if (bpo->bpo_cached_dbuf == NULL || + offset < bpo->bpo_cached_dbuf->db_offset || + offset >= bpo->bpo_cached_dbuf->db_offset + + bpo->bpo_cached_dbuf->db_size) { + if (bpo->bpo_cached_dbuf) + dmu_buf_rele(bpo->bpo_cached_dbuf, bpo); + VERIFY3U(0, ==, dmu_buf_hold(bpo->bpo_os, bpo->bpo_object, + offset, bpo, &bpo->bpo_cached_dbuf, 0)); + } + + dmu_buf_will_dirty(bpo->bpo_cached_dbuf, tx); + bparray = bpo->bpo_cached_dbuf->db_data; + bparray[blkoff] = stored_bp; + + dmu_buf_will_dirty(bpo->bpo_dbuf, tx); + bpo->bpo_phys->bpo_num_blkptrs++; + bpo->bpo_phys->bpo_bytes += + bp_get_dsize_sync(dmu_objset_spa(bpo->bpo_os), bp); + if (bpo->bpo_havecomp) { + bpo->bpo_phys->bpo_comp += BP_GET_PSIZE(bp); + bpo->bpo_phys->bpo_uncomp += BP_GET_UCSIZE(bp); + } + mutex_exit(&bpo->bpo_lock); +} + +struct space_range_arg { + spa_t *spa; + uint64_t mintxg; + uint64_t maxtxg; + uint64_t used; + uint64_t comp; + uint64_t uncomp; +}; + +/* ARGSUSED */ +static int +space_range_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) +{ + struct space_range_arg *sra = arg; + + if (bp->blk_birth > sra->mintxg && bp->blk_birth <= sra->maxtxg) { + if (dsl_pool_sync_context(spa_get_dsl(sra->spa))) + sra->used += bp_get_dsize_sync(sra->spa, bp); + else + sra->used += bp_get_dsize(sra->spa, bp); + sra->comp += BP_GET_PSIZE(bp); + sra->uncomp += BP_GET_UCSIZE(bp); + } + return (0); +} + +int +bpobj_space(bpobj_t *bpo, uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) +{ + mutex_enter(&bpo->bpo_lock); + + *usedp = bpo->bpo_phys->bpo_bytes; + if (bpo->bpo_havecomp) { + *compp = bpo->bpo_phys->bpo_comp; + *uncompp = bpo->bpo_phys->bpo_uncomp; + mutex_exit(&bpo->bpo_lock); + return (0); + } else { + mutex_exit(&bpo->bpo_lock); + return (bpobj_space_range(bpo, 0, UINT64_MAX, + usedp, compp, uncompp)); + } +} + +/* + * Return the amount of space in the bpobj which is: + * mintxg < blk_birth <= maxtxg + */ +int +bpobj_space_range(bpobj_t *bpo, uint64_t mintxg, uint64_t maxtxg, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) +{ + struct space_range_arg sra = { 0 }; + int err; + + /* + * As an optimization, if they want the whole txg range, just + * get bpo_bytes rather than iterating over the bps. + */ + if (mintxg < TXG_INITIAL && maxtxg == UINT64_MAX && bpo->bpo_havecomp) + return (bpobj_space(bpo, usedp, compp, uncompp)); + + sra.spa = dmu_objset_spa(bpo->bpo_os); + sra.mintxg = mintxg; + sra.maxtxg = maxtxg; + + err = bpobj_iterate_nofree(bpo, space_range_cb, &sra, NULL); + *usedp = sra.used; + *compp = sra.comp; + *uncompp = sra.uncomp; + return (err); +} diff --git a/zfs/module/zfs/bptree.c b/zfs/module/zfs/bptree.c new file mode 100644 index 000000000000..9f62d7b911f3 --- /dev/null +++ b/zfs/module/zfs/bptree.c @@ -0,0 +1,301 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * A bptree is a queue of root block pointers from destroyed datasets. When a + * dataset is destroyed its root block pointer is put on the end of the pool's + * bptree queue so the dataset's blocks can be freed asynchronously by + * dsl_scan_sync. This allows the delete operation to finish without traversing + * all the dataset's blocks. + * + * Note that while bt_begin and bt_end are only ever incremented in this code, + * they are effectively reset to 0 every time the entire bptree is freed because + * the bptree's object is destroyed and re-created. + */ + +struct bptree_args { + bptree_phys_t *ba_phys; /* data in bonus buffer, dirtied if freeing */ + boolean_t ba_free; /* true if freeing during traversal */ + + bptree_itor_t *ba_func; /* function to call for each blockpointer */ + void *ba_arg; /* caller supplied argument to ba_func */ + dmu_tx_t *ba_tx; /* caller supplied tx, NULL if not freeing */ +} bptree_args_t; + +uint64_t +bptree_alloc(objset_t *os, dmu_tx_t *tx) +{ + uint64_t obj; + dmu_buf_t *db; + bptree_phys_t *bt; + + obj = dmu_object_alloc(os, DMU_OTN_UINT64_METADATA, + SPA_OLD_MAXBLOCKSIZE, DMU_OTN_UINT64_METADATA, + sizeof (bptree_phys_t), tx); + + /* + * Bonus buffer contents are already initialized to 0, but for + * readability we make it explicit. + */ + VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); + dmu_buf_will_dirty(db, tx); + bt = db->db_data; + bt->bt_begin = 0; + bt->bt_end = 0; + bt->bt_bytes = 0; + bt->bt_comp = 0; + bt->bt_uncomp = 0; + dmu_buf_rele(db, FTAG); + + return (obj); +} + +int +bptree_free(objset_t *os, uint64_t obj, dmu_tx_t *tx) +{ + dmu_buf_t *db; + bptree_phys_t *bt; + + VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); + bt = db->db_data; + ASSERT3U(bt->bt_begin, ==, bt->bt_end); + ASSERT0(bt->bt_bytes); + ASSERT0(bt->bt_comp); + ASSERT0(bt->bt_uncomp); + dmu_buf_rele(db, FTAG); + + return (dmu_object_free(os, obj, tx)); +} + +boolean_t +bptree_is_empty(objset_t *os, uint64_t obj) +{ + dmu_buf_t *db; + bptree_phys_t *bt; + boolean_t rv; + + VERIFY0(dmu_bonus_hold(os, obj, FTAG, &db)); + bt = db->db_data; + rv = (bt->bt_begin == bt->bt_end); + dmu_buf_rele(db, FTAG); + return (rv); +} + +void +bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg, + uint64_t bytes, uint64_t comp, uint64_t uncomp, dmu_tx_t *tx) +{ + dmu_buf_t *db; + bptree_phys_t *bt; + bptree_entry_phys_t *bte; + + /* + * bptree objects are in the pool mos, therefore they can only be + * modified in syncing context. Furthermore, this is only modified + * by the sync thread, so no locking is necessary. + */ + ASSERT(dmu_tx_is_syncing(tx)); + + VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); + bt = db->db_data; + + bte = kmem_zalloc(sizeof (*bte), KM_SLEEP); + bte->be_birth_txg = birth_txg; + bte->be_bp = *bp; + dmu_write(os, obj, bt->bt_end * sizeof (*bte), sizeof (*bte), bte, tx); + kmem_free(bte, sizeof (*bte)); + + dmu_buf_will_dirty(db, tx); + bt->bt_end++; + bt->bt_bytes += bytes; + bt->bt_comp += comp; + bt->bt_uncomp += uncomp; + dmu_buf_rele(db, FTAG); +} + +/* ARGSUSED */ +static int +bptree_visit_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) +{ + int err; + struct bptree_args *ba = arg; + + if (BP_IS_HOLE(bp)) + return (0); + + err = ba->ba_func(ba->ba_arg, bp, ba->ba_tx); + if (err == 0 && ba->ba_free) { + ba->ba_phys->bt_bytes -= bp_get_dsize_sync(spa, bp); + ba->ba_phys->bt_comp -= BP_GET_PSIZE(bp); + ba->ba_phys->bt_uncomp -= BP_GET_UCSIZE(bp); + } + return (err); +} + +/* + * If "free" is set: + * - It is assumed that "func" will be freeing the block pointers. + * - If "func" returns nonzero, the bookmark will be remembered and + * iteration will be restarted from this point on next invocation. + * - If an i/o error is encountered (e.g. "func" returns EIO or ECKSUM), + * bptree_iterate will remember the bookmark, continue traversing + * any additional entries, and return 0. + * + * If "free" is not set, traversal will stop and return an error if + * an i/o error is encountered. + * + * In either case, if zfs_free_leak_on_eio is set, i/o errors will be + * ignored and traversal will continue (i.e. TRAVERSE_HARD will be passed to + * traverse_dataset_destroyed()). + */ +int +bptree_iterate(objset_t *os, uint64_t obj, boolean_t free, bptree_itor_t func, + void *arg, dmu_tx_t *tx) +{ + boolean_t ioerr = B_FALSE; + int err; + uint64_t i; + dmu_buf_t *db; + struct bptree_args ba; + + ASSERT(!free || dmu_tx_is_syncing(tx)); + + err = dmu_bonus_hold(os, obj, FTAG, &db); + if (err != 0) + return (err); + + if (free) + dmu_buf_will_dirty(db, tx); + + ba.ba_phys = db->db_data; + ba.ba_free = free; + ba.ba_func = func; + ba.ba_arg = arg; + ba.ba_tx = tx; + + err = 0; + for (i = ba.ba_phys->bt_begin; i < ba.ba_phys->bt_end; i++) { + bptree_entry_phys_t bte; + int flags = TRAVERSE_PREFETCH_METADATA | TRAVERSE_POST; + + err = dmu_read(os, obj, i * sizeof (bte), sizeof (bte), + &bte, DMU_READ_NO_PREFETCH); + if (err != 0) + break; + + if (zfs_free_leak_on_eio) + flags |= TRAVERSE_HARD; + zfs_dbgmsg("bptree index %lld: traversing from min_txg=%lld " + "bookmark %lld/%lld/%lld/%lld", + i, (longlong_t)bte.be_birth_txg, + (longlong_t)bte.be_zb.zb_objset, + (longlong_t)bte.be_zb.zb_object, + (longlong_t)bte.be_zb.zb_level, + (longlong_t)bte.be_zb.zb_blkid); + err = traverse_dataset_destroyed(os->os_spa, &bte.be_bp, + bte.be_birth_txg, &bte.be_zb, flags, + bptree_visit_cb, &ba); + if (free) { + /* + * The callback has freed the visited block pointers. + * Record our traversal progress on disk, either by + * updating this record's bookmark, or by logically + * removing this record by advancing bt_begin. + */ + if (err != 0) { + /* save bookmark for future resume */ + ASSERT3U(bte.be_zb.zb_objset, ==, + ZB_DESTROYED_OBJSET); + ASSERT0(bte.be_zb.zb_level); + dmu_write(os, obj, i * sizeof (bte), + sizeof (bte), &bte, tx); + if (err == EIO || err == ECKSUM || + err == ENXIO) { + /* + * Skip the rest of this tree and + * continue on to the next entry. + */ + err = 0; + ioerr = B_TRUE; + } else { + break; + } + } else if (ioerr) { + /* + * This entry is finished, but there were + * i/o errors on previous entries, so we + * can't adjust bt_begin. Set this entry's + * be_birth_txg such that it will be + * treated as a no-op in future traversals. + */ + bte.be_birth_txg = UINT64_MAX; + dmu_write(os, obj, i * sizeof (bte), + sizeof (bte), &bte, tx); + } + + if (!ioerr) { + ba.ba_phys->bt_begin++; + (void) dmu_free_range(os, obj, + i * sizeof (bte), sizeof (bte), tx); + } + } else if (err != 0) { + break; + } + } + + ASSERT(!free || err != 0 || ioerr || + ba.ba_phys->bt_begin == ba.ba_phys->bt_end); + + /* if all blocks are free there should be no used space */ + if (ba.ba_phys->bt_begin == ba.ba_phys->bt_end) { + if (zfs_free_leak_on_eio) { + ba.ba_phys->bt_bytes = 0; + ba.ba_phys->bt_comp = 0; + ba.ba_phys->bt_uncomp = 0; + } + + ASSERT0(ba.ba_phys->bt_bytes); + ASSERT0(ba.ba_phys->bt_comp); + ASSERT0(ba.ba_phys->bt_uncomp); + } + + dmu_buf_rele(db, FTAG); + + return (err); +} diff --git a/zfs/module/zfs/dbuf.c b/zfs/module/zfs/dbuf.c new file mode 100644 index 000000000000..483067cc7ba4 --- /dev/null +++ b/zfs/module/zfs/dbuf.c @@ -0,0 +1,3164 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012, 2015 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct dbuf_hold_impl_data { + /* Function arguments */ + dnode_t *dh_dn; + uint8_t dh_level; + uint64_t dh_blkid; + int dh_fail_sparse; + void *dh_tag; + dmu_buf_impl_t **dh_dbp; + /* Local variables */ + dmu_buf_impl_t *dh_db; + dmu_buf_impl_t *dh_parent; + blkptr_t *dh_bp; + int dh_err; + dbuf_dirty_record_t *dh_dr; + arc_buf_contents_t dh_type; + int dh_depth; +}; + +static void __dbuf_hold_impl_init(struct dbuf_hold_impl_data *dh, + dnode_t *dn, uint8_t level, uint64_t blkid, int fail_sparse, + void *tag, dmu_buf_impl_t **dbp, int depth); +static int __dbuf_hold_impl(struct dbuf_hold_impl_data *dh); + +/* + * Number of times that zfs_free_range() took the slow path while doing + * a zfs receive. A nonzero value indicates a potential performance problem. + */ +uint64_t zfs_free_range_recv_miss; + +static void dbuf_destroy(dmu_buf_impl_t *db); +static boolean_t dbuf_undirty(dmu_buf_impl_t *db, dmu_tx_t *tx); +static void dbuf_write(dbuf_dirty_record_t *dr, arc_buf_t *data, dmu_tx_t *tx); + +#ifndef __lint +extern inline void dmu_buf_init_user(dmu_buf_user_t *dbu, + dmu_buf_evict_func_t *evict_func, dmu_buf_t **clear_on_evict_dbufp); +#endif /* ! __lint */ + +/* + * Global data structures and functions for the dbuf cache. + */ +static kmem_cache_t *dbuf_cache; +static taskq_t *dbu_evict_taskq; + +/* ARGSUSED */ +static int +dbuf_cons(void *vdb, void *unused, int kmflag) +{ + dmu_buf_impl_t *db = vdb; + bzero(db, sizeof (dmu_buf_impl_t)); + + mutex_init(&db->db_mtx, NULL, MUTEX_DEFAULT, NULL); + cv_init(&db->db_changed, NULL, CV_DEFAULT, NULL); + refcount_create(&db->db_holds); + + return (0); +} + +/* ARGSUSED */ +static void +dbuf_dest(void *vdb, void *unused) +{ + dmu_buf_impl_t *db = vdb; + mutex_destroy(&db->db_mtx); + cv_destroy(&db->db_changed); + refcount_destroy(&db->db_holds); +} + +/* + * dbuf hash table routines + */ +static dbuf_hash_table_t dbuf_hash_table; + +static uint64_t dbuf_hash_count; + +static uint64_t +dbuf_hash(void *os, uint64_t obj, uint8_t lvl, uint64_t blkid) +{ + uintptr_t osv = (uintptr_t)os; + uint64_t crc = -1ULL; + + ASSERT(zfs_crc64_table[128] == ZFS_CRC64_POLY); + crc = (crc >> 8) ^ zfs_crc64_table[(crc ^ (lvl)) & 0xFF]; + crc = (crc >> 8) ^ zfs_crc64_table[(crc ^ (osv >> 6)) & 0xFF]; + crc = (crc >> 8) ^ zfs_crc64_table[(crc ^ (obj >> 0)) & 0xFF]; + crc = (crc >> 8) ^ zfs_crc64_table[(crc ^ (obj >> 8)) & 0xFF]; + crc = (crc >> 8) ^ zfs_crc64_table[(crc ^ (blkid >> 0)) & 0xFF]; + crc = (crc >> 8) ^ zfs_crc64_table[(crc ^ (blkid >> 8)) & 0xFF]; + + crc ^= (osv>>14) ^ (obj>>16) ^ (blkid>>16); + + return (crc); +} + +#define DBUF_HASH(os, obj, level, blkid) dbuf_hash(os, obj, level, blkid); + +#define DBUF_EQUAL(dbuf, os, obj, level, blkid) \ + ((dbuf)->db.db_object == (obj) && \ + (dbuf)->db_objset == (os) && \ + (dbuf)->db_level == (level) && \ + (dbuf)->db_blkid == (blkid)) + +dmu_buf_impl_t * +dbuf_find(objset_t *os, uint64_t obj, uint8_t level, uint64_t blkid) +{ + dbuf_hash_table_t *h = &dbuf_hash_table; + uint64_t hv; + uint64_t idx; + dmu_buf_impl_t *db; + + hv = DBUF_HASH(os, obj, level, blkid); + idx = hv & h->hash_table_mask; + + mutex_enter(DBUF_HASH_MUTEX(h, idx)); + for (db = h->hash_table[idx]; db != NULL; db = db->db_hash_next) { + if (DBUF_EQUAL(db, os, obj, level, blkid)) { + mutex_enter(&db->db_mtx); + if (db->db_state != DB_EVICTING) { + mutex_exit(DBUF_HASH_MUTEX(h, idx)); + return (db); + } + mutex_exit(&db->db_mtx); + } + } + mutex_exit(DBUF_HASH_MUTEX(h, idx)); + return (NULL); +} + +static dmu_buf_impl_t * +dbuf_find_bonus(objset_t *os, uint64_t object) +{ + dnode_t *dn; + dmu_buf_impl_t *db = NULL; + + if (dnode_hold(os, object, FTAG, &dn) == 0) { + rw_enter(&dn->dn_struct_rwlock, RW_READER); + if (dn->dn_bonus != NULL) { + db = dn->dn_bonus; + mutex_enter(&db->db_mtx); + } + rw_exit(&dn->dn_struct_rwlock); + dnode_rele(dn, FTAG); + } + return (db); +} + +/* + * Insert an entry into the hash table. If there is already an element + * equal to elem in the hash table, then the already existing element + * will be returned and the new element will not be inserted. + * Otherwise returns NULL. + */ +static dmu_buf_impl_t * +dbuf_hash_insert(dmu_buf_impl_t *db) +{ + dbuf_hash_table_t *h = &dbuf_hash_table; + objset_t *os = db->db_objset; + uint64_t obj = db->db.db_object; + int level = db->db_level; + uint64_t blkid, hv, idx; + dmu_buf_impl_t *dbf; + + blkid = db->db_blkid; + hv = DBUF_HASH(os, obj, level, blkid); + idx = hv & h->hash_table_mask; + + mutex_enter(DBUF_HASH_MUTEX(h, idx)); + for (dbf = h->hash_table[idx]; dbf != NULL; dbf = dbf->db_hash_next) { + if (DBUF_EQUAL(dbf, os, obj, level, blkid)) { + mutex_enter(&dbf->db_mtx); + if (dbf->db_state != DB_EVICTING) { + mutex_exit(DBUF_HASH_MUTEX(h, idx)); + return (dbf); + } + mutex_exit(&dbf->db_mtx); + } + } + + mutex_enter(&db->db_mtx); + db->db_hash_next = h->hash_table[idx]; + h->hash_table[idx] = db; + mutex_exit(DBUF_HASH_MUTEX(h, idx)); + atomic_add_64(&dbuf_hash_count, 1); + + return (NULL); +} + +/* + * Remove an entry from the hash table. It must be in the EVICTING state. + */ +static void +dbuf_hash_remove(dmu_buf_impl_t *db) +{ + dbuf_hash_table_t *h = &dbuf_hash_table; + uint64_t hv, idx; + dmu_buf_impl_t *dbf, **dbp; + + hv = DBUF_HASH(db->db_objset, db->db.db_object, + db->db_level, db->db_blkid); + idx = hv & h->hash_table_mask; + + /* + * We musn't hold db_mtx to maintain lock ordering: + * DBUF_HASH_MUTEX > db_mtx. + */ + ASSERT(refcount_is_zero(&db->db_holds)); + ASSERT(db->db_state == DB_EVICTING); + ASSERT(!MUTEX_HELD(&db->db_mtx)); + + mutex_enter(DBUF_HASH_MUTEX(h, idx)); + dbp = &h->hash_table[idx]; + while ((dbf = *dbp) != db) { + dbp = &dbf->db_hash_next; + ASSERT(dbf != NULL); + } + *dbp = db->db_hash_next; + db->db_hash_next = NULL; + mutex_exit(DBUF_HASH_MUTEX(h, idx)); + atomic_add_64(&dbuf_hash_count, -1); +} + +static arc_evict_func_t dbuf_do_evict; + +typedef enum { + DBVU_EVICTING, + DBVU_NOT_EVICTING +} dbvu_verify_type_t; + +static void +dbuf_verify_user(dmu_buf_impl_t *db, dbvu_verify_type_t verify_type) +{ +#ifdef ZFS_DEBUG + int64_t holds; + + if (db->db_user == NULL) + return; + + /* Only data blocks support the attachment of user data. */ + ASSERT(db->db_level == 0); + + /* Clients must resolve a dbuf before attaching user data. */ + ASSERT(db->db.db_data != NULL); + ASSERT3U(db->db_state, ==, DB_CACHED); + + holds = refcount_count(&db->db_holds); + if (verify_type == DBVU_EVICTING) { + /* + * Immediate eviction occurs when holds == dirtycnt. + * For normal eviction buffers, holds is zero on + * eviction, except when dbuf_fix_old_data() calls + * dbuf_clear_data(). However, the hold count can grow + * during eviction even though db_mtx is held (see + * dmu_bonus_hold() for an example), so we can only + * test the generic invariant that holds >= dirtycnt. + */ + ASSERT3U(holds, >=, db->db_dirtycnt); + } else { + if (db->db_user_immediate_evict == TRUE) + ASSERT3U(holds, >=, db->db_dirtycnt); + else + ASSERT3U(holds, >, 0); + } +#endif +} + +static void +dbuf_evict_user(dmu_buf_impl_t *db) +{ + dmu_buf_user_t *dbu = db->db_user; + + ASSERT(MUTEX_HELD(&db->db_mtx)); + + if (dbu == NULL) + return; + + dbuf_verify_user(db, DBVU_EVICTING); + db->db_user = NULL; + +#ifdef ZFS_DEBUG + if (dbu->dbu_clear_on_evict_dbufp != NULL) + *dbu->dbu_clear_on_evict_dbufp = NULL; +#endif + + /* + * Invoke the callback from a taskq to avoid lock order reversals + * and limit stack depth. + */ + taskq_dispatch_ent(dbu_evict_taskq, dbu->dbu_evict_func, dbu, 0, + &dbu->dbu_tqent); +} + +boolean_t +dbuf_is_metadata(dmu_buf_impl_t *db) +{ + /* + * Consider indirect blocks and spill blocks to be meta data. + */ + if (db->db_level > 0 || db->db_blkid == DMU_SPILL_BLKID) { + return (B_TRUE); + } else { + boolean_t is_metadata; + + DB_DNODE_ENTER(db); + is_metadata = DMU_OT_IS_METADATA(DB_DNODE(db)->dn_type); + DB_DNODE_EXIT(db); + + return (is_metadata); + } +} + +void +dbuf_evict(dmu_buf_impl_t *db) +{ + ASSERT(MUTEX_HELD(&db->db_mtx)); + ASSERT(db->db_buf == NULL); + ASSERT(db->db_data_pending == NULL); + + dbuf_clear(db); + dbuf_destroy(db); +} + +void +dbuf_init(void) +{ + uint64_t hsize = 1ULL << 16; + dbuf_hash_table_t *h = &dbuf_hash_table; + int i; + + /* + * The hash table is big enough to fill all of physical memory + * with an average block size of zfs_arc_average_blocksize (default 8K). + * By default, the table will take up + * totalmem * sizeof(void*) / 8K (1MB per GB with 8-byte pointers). + */ + while (hsize * zfs_arc_average_blocksize < physmem * PAGESIZE) + hsize <<= 1; + +retry: + h->hash_table_mask = hsize - 1; +#if defined(_KERNEL) && defined(HAVE_SPL) + /* + * Large allocations which do not require contiguous pages + * should be using vmem_alloc() in the linux kernel + */ + h->hash_table = vmem_zalloc(hsize * sizeof (void *), KM_SLEEP); +#else + h->hash_table = kmem_zalloc(hsize * sizeof (void *), KM_NOSLEEP); +#endif + if (h->hash_table == NULL) { + /* XXX - we should really return an error instead of assert */ + ASSERT(hsize > (1ULL << 10)); + hsize >>= 1; + goto retry; + } + + dbuf_cache = kmem_cache_create("dmu_buf_impl_t", + sizeof (dmu_buf_impl_t), + 0, dbuf_cons, dbuf_dest, NULL, NULL, NULL, 0); + + for (i = 0; i < DBUF_MUTEXES; i++) + mutex_init(&h->hash_mutexes[i], NULL, MUTEX_DEFAULT, NULL); + + dbuf_stats_init(h); + + /* + * All entries are queued via taskq_dispatch_ent(), so min/maxalloc + * configuration is not required. + */ + dbu_evict_taskq = taskq_create("dbu_evict", 1, defclsyspri, 0, 0, 0); +} + +void +dbuf_fini(void) +{ + dbuf_hash_table_t *h = &dbuf_hash_table; + int i; + + dbuf_stats_destroy(); + + for (i = 0; i < DBUF_MUTEXES; i++) + mutex_destroy(&h->hash_mutexes[i]); +#if defined(_KERNEL) && defined(HAVE_SPL) + /* + * Large allocations which do not require contiguous pages + * should be using vmem_free() in the linux kernel + */ + vmem_free(h->hash_table, (h->hash_table_mask + 1) * sizeof (void *)); +#else + kmem_free(h->hash_table, (h->hash_table_mask + 1) * sizeof (void *)); +#endif + kmem_cache_destroy(dbuf_cache); + taskq_destroy(dbu_evict_taskq); +} + +/* + * Other stuff. + */ + +#ifdef ZFS_DEBUG +static void +dbuf_verify(dmu_buf_impl_t *db) +{ + dnode_t *dn; + dbuf_dirty_record_t *dr; + + ASSERT(MUTEX_HELD(&db->db_mtx)); + + if (!(zfs_flags & ZFS_DEBUG_DBUF_VERIFY)) + return; + + ASSERT(db->db_objset != NULL); + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + if (dn == NULL) { + ASSERT(db->db_parent == NULL); + ASSERT(db->db_blkptr == NULL); + } else { + ASSERT3U(db->db.db_object, ==, dn->dn_object); + ASSERT3P(db->db_objset, ==, dn->dn_objset); + ASSERT3U(db->db_level, <, dn->dn_nlevels); + ASSERT(db->db_blkid == DMU_BONUS_BLKID || + db->db_blkid == DMU_SPILL_BLKID || + !avl_is_empty(&dn->dn_dbufs)); + } + if (db->db_blkid == DMU_BONUS_BLKID) { + ASSERT(dn != NULL); + ASSERT3U(db->db.db_size, >=, dn->dn_bonuslen); + ASSERT3U(db->db.db_offset, ==, DMU_BONUS_BLKID); + } else if (db->db_blkid == DMU_SPILL_BLKID) { + ASSERT(dn != NULL); + ASSERT3U(db->db.db_size, >=, dn->dn_bonuslen); + ASSERT0(db->db.db_offset); + } else { + ASSERT3U(db->db.db_offset, ==, db->db_blkid * db->db.db_size); + } + + for (dr = db->db_data_pending; dr != NULL; dr = dr->dr_next) + ASSERT(dr->dr_dbuf == db); + + for (dr = db->db_last_dirty; dr != NULL; dr = dr->dr_next) + ASSERT(dr->dr_dbuf == db); + + /* + * We can't assert that db_size matches dn_datablksz because it + * can be momentarily different when another thread is doing + * dnode_set_blksz(). + */ + if (db->db_level == 0 && db->db.db_object == DMU_META_DNODE_OBJECT) { + dr = db->db_data_pending; + /* + * It should only be modified in syncing context, so + * make sure we only have one copy of the data. + */ + ASSERT(dr == NULL || dr->dt.dl.dr_data == db->db_buf); + } + + /* verify db->db_blkptr */ + if (db->db_blkptr) { + if (db->db_parent == dn->dn_dbuf) { + /* db is pointed to by the dnode */ + /* ASSERT3U(db->db_blkid, <, dn->dn_nblkptr); */ + if (DMU_OBJECT_IS_SPECIAL(db->db.db_object)) + ASSERT(db->db_parent == NULL); + else + ASSERT(db->db_parent != NULL); + if (db->db_blkid != DMU_SPILL_BLKID) + ASSERT3P(db->db_blkptr, ==, + &dn->dn_phys->dn_blkptr[db->db_blkid]); + } else { + /* db is pointed to by an indirect block */ + ASSERTV(int epb = db->db_parent->db.db_size >> + SPA_BLKPTRSHIFT); + ASSERT3U(db->db_parent->db_level, ==, db->db_level+1); + ASSERT3U(db->db_parent->db.db_object, ==, + db->db.db_object); + /* + * dnode_grow_indblksz() can make this fail if we don't + * have the struct_rwlock. XXX indblksz no longer + * grows. safe to do this now? + */ + if (RW_WRITE_HELD(&dn->dn_struct_rwlock)) { + ASSERT3P(db->db_blkptr, ==, + ((blkptr_t *)db->db_parent->db.db_data + + db->db_blkid % epb)); + } + } + } + if ((db->db_blkptr == NULL || BP_IS_HOLE(db->db_blkptr)) && + (db->db_buf == NULL || db->db_buf->b_data) && + db->db.db_data && db->db_blkid != DMU_BONUS_BLKID && + db->db_state != DB_FILL && !dn->dn_free_txg) { + /* + * If the blkptr isn't set but they have nonzero data, + * it had better be dirty, otherwise we'll lose that + * data when we evict this buffer. + */ + if (db->db_dirtycnt == 0) { + ASSERTV(uint64_t *buf = db->db.db_data); + int i; + + for (i = 0; i < db->db.db_size >> 3; i++) { + ASSERT(buf[i] == 0); + } + } + } + DB_DNODE_EXIT(db); +} +#endif + +static void +dbuf_clear_data(dmu_buf_impl_t *db) +{ + ASSERT(MUTEX_HELD(&db->db_mtx)); + dbuf_evict_user(db); + db->db_buf = NULL; + db->db.db_data = NULL; + if (db->db_state != DB_NOFILL) + db->db_state = DB_UNCACHED; +} + +static void +dbuf_set_data(dmu_buf_impl_t *db, arc_buf_t *buf) +{ + ASSERT(MUTEX_HELD(&db->db_mtx)); + ASSERT(buf != NULL); + + db->db_buf = buf; + ASSERT(buf->b_data != NULL); + db->db.db_data = buf->b_data; + if (!arc_released(buf)) + arc_set_callback(buf, dbuf_do_evict, db); +} + +/* + * Loan out an arc_buf for read. Return the loaned arc_buf. + */ +arc_buf_t * +dbuf_loan_arcbuf(dmu_buf_impl_t *db) +{ + arc_buf_t *abuf; + + mutex_enter(&db->db_mtx); + if (arc_released(db->db_buf) || refcount_count(&db->db_holds) > 1) { + int blksz = db->db.db_size; + spa_t *spa = db->db_objset->os_spa; + + mutex_exit(&db->db_mtx); + abuf = arc_loan_buf(spa, blksz); + bcopy(db->db.db_data, abuf->b_data, blksz); + } else { + abuf = db->db_buf; + arc_loan_inuse_buf(abuf, db); + dbuf_clear_data(db); + mutex_exit(&db->db_mtx); + } + return (abuf); +} + +uint64_t +dbuf_whichblock(dnode_t *dn, uint64_t offset) +{ + if (dn->dn_datablkshift) { + return (offset >> dn->dn_datablkshift); + } else { + ASSERT3U(offset, <, dn->dn_datablksz); + return (0); + } +} + +static void +dbuf_read_done(zio_t *zio, arc_buf_t *buf, void *vdb) +{ + dmu_buf_impl_t *db = vdb; + + mutex_enter(&db->db_mtx); + ASSERT3U(db->db_state, ==, DB_READ); + /* + * All reads are synchronous, so we must have a hold on the dbuf + */ + ASSERT(refcount_count(&db->db_holds) > 0); + ASSERT(db->db_buf == NULL); + ASSERT(db->db.db_data == NULL); + if (db->db_level == 0 && db->db_freed_in_flight) { + /* we were freed in flight; disregard any error */ + arc_release(buf, db); + bzero(buf->b_data, db->db.db_size); + arc_buf_freeze(buf); + db->db_freed_in_flight = FALSE; + dbuf_set_data(db, buf); + db->db_state = DB_CACHED; + } else if (zio == NULL || zio->io_error == 0) { + dbuf_set_data(db, buf); + db->db_state = DB_CACHED; + } else { + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + ASSERT3P(db->db_buf, ==, NULL); + VERIFY(arc_buf_remove_ref(buf, db)); + db->db_state = DB_UNCACHED; + } + cv_broadcast(&db->db_changed); + dbuf_rele_and_unlock(db, NULL); +} + +static int +dbuf_read_impl(dmu_buf_impl_t *db, zio_t *zio, uint32_t *flags) +{ + dnode_t *dn; + zbookmark_phys_t zb; + uint32_t aflags = ARC_FLAG_NOWAIT; + int err; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + ASSERT(!refcount_is_zero(&db->db_holds)); + /* We need the struct_rwlock to prevent db_blkptr from changing. */ + ASSERT(RW_LOCK_HELD(&dn->dn_struct_rwlock)); + ASSERT(MUTEX_HELD(&db->db_mtx)); + ASSERT(db->db_state == DB_UNCACHED); + ASSERT(db->db_buf == NULL); + + if (db->db_blkid == DMU_BONUS_BLKID) { + int bonuslen = MIN(dn->dn_bonuslen, dn->dn_phys->dn_bonuslen); + + ASSERT3U(bonuslen, <=, db->db.db_size); + db->db.db_data = zio_buf_alloc(DN_MAX_BONUSLEN); + arc_space_consume(DN_MAX_BONUSLEN, ARC_SPACE_OTHER); + if (bonuslen < DN_MAX_BONUSLEN) + bzero(db->db.db_data, DN_MAX_BONUSLEN); + if (bonuslen) + bcopy(DN_BONUS(dn->dn_phys), db->db.db_data, bonuslen); + DB_DNODE_EXIT(db); + db->db_state = DB_CACHED; + mutex_exit(&db->db_mtx); + return (0); + } + + /* + * Recheck BP_IS_HOLE() after dnode_block_freed() in case dnode_sync() + * processes the delete record and clears the bp while we are waiting + * for the dn_mtx (resulting in a "no" from block_freed). + */ + if (db->db_blkptr == NULL || BP_IS_HOLE(db->db_blkptr) || + (db->db_level == 0 && (dnode_block_freed(dn, db->db_blkid) || + BP_IS_HOLE(db->db_blkptr)))) { + arc_buf_contents_t type = DBUF_GET_BUFC_TYPE(db); + + DB_DNODE_EXIT(db); + dbuf_set_data(db, arc_buf_alloc(db->db_objset->os_spa, + db->db.db_size, db, type)); + bzero(db->db.db_data, db->db.db_size); + db->db_state = DB_CACHED; + *flags |= DB_RF_CACHED; + mutex_exit(&db->db_mtx); + return (0); + } + + DB_DNODE_EXIT(db); + + db->db_state = DB_READ; + mutex_exit(&db->db_mtx); + + if (DBUF_IS_L2CACHEABLE(db)) + aflags |= ARC_FLAG_L2CACHE; + if (DBUF_IS_L2COMPRESSIBLE(db)) + aflags |= ARC_FLAG_L2COMPRESS; + + SET_BOOKMARK(&zb, db->db_objset->os_dsl_dataset ? + db->db_objset->os_dsl_dataset->ds_object : DMU_META_OBJSET, + db->db.db_object, db->db_level, db->db_blkid); + + dbuf_add_ref(db, NULL); + + err = arc_read(zio, db->db_objset->os_spa, db->db_blkptr, + dbuf_read_done, db, ZIO_PRIORITY_SYNC_READ, + (*flags & DB_RF_CANFAIL) ? ZIO_FLAG_CANFAIL : ZIO_FLAG_MUSTSUCCEED, + &aflags, &zb); + if (aflags & ARC_FLAG_CACHED) + *flags |= DB_RF_CACHED; + + return (SET_ERROR(err)); +} + +int +dbuf_read(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags) +{ + int err = 0; + boolean_t havepzio = (zio != NULL); + boolean_t prefetch; + dnode_t *dn; + + /* + * We don't have to hold the mutex to check db_state because it + * can't be freed while we have a hold on the buffer. + */ + ASSERT(!refcount_is_zero(&db->db_holds)); + + if (db->db_state == DB_NOFILL) + return (SET_ERROR(EIO)); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + if ((flags & DB_RF_HAVESTRUCT) == 0) + rw_enter(&dn->dn_struct_rwlock, RW_READER); + + prefetch = db->db_level == 0 && db->db_blkid != DMU_BONUS_BLKID && + (flags & DB_RF_NOPREFETCH) == 0 && dn != NULL && + DBUF_IS_CACHEABLE(db); + + mutex_enter(&db->db_mtx); + if (db->db_state == DB_CACHED) { + mutex_exit(&db->db_mtx); + if (prefetch) + dmu_zfetch(&dn->dn_zfetch, db->db.db_offset, + db->db.db_size, TRUE); + if ((flags & DB_RF_HAVESTRUCT) == 0) + rw_exit(&dn->dn_struct_rwlock); + DB_DNODE_EXIT(db); + } else if (db->db_state == DB_UNCACHED) { + spa_t *spa = dn->dn_objset->os_spa; + + if (zio == NULL) + zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); + + err = dbuf_read_impl(db, zio, &flags); + + /* dbuf_read_impl has dropped db_mtx for us */ + + if (!err && prefetch) + dmu_zfetch(&dn->dn_zfetch, db->db.db_offset, + db->db.db_size, flags & DB_RF_CACHED); + + if ((flags & DB_RF_HAVESTRUCT) == 0) + rw_exit(&dn->dn_struct_rwlock); + DB_DNODE_EXIT(db); + + if (!err && !havepzio) + err = zio_wait(zio); + } else { + /* + * Another reader came in while the dbuf was in flight + * between UNCACHED and CACHED. Either a writer will finish + * writing the buffer (sending the dbuf to CACHED) or the + * first reader's request will reach the read_done callback + * and send the dbuf to CACHED. Otherwise, a failure + * occurred and the dbuf went to UNCACHED. + */ + mutex_exit(&db->db_mtx); + if (prefetch) + dmu_zfetch(&dn->dn_zfetch, db->db.db_offset, + db->db.db_size, TRUE); + if ((flags & DB_RF_HAVESTRUCT) == 0) + rw_exit(&dn->dn_struct_rwlock); + DB_DNODE_EXIT(db); + + /* Skip the wait per the caller's request. */ + mutex_enter(&db->db_mtx); + if ((flags & DB_RF_NEVERWAIT) == 0) { + while (db->db_state == DB_READ || + db->db_state == DB_FILL) { + ASSERT(db->db_state == DB_READ || + (flags & DB_RF_HAVESTRUCT) == 0); + DTRACE_PROBE2(blocked__read, dmu_buf_impl_t *, + db, zio_t *, zio); + cv_wait(&db->db_changed, &db->db_mtx); + } + if (db->db_state == DB_UNCACHED) + err = SET_ERROR(EIO); + } + mutex_exit(&db->db_mtx); + } + + ASSERT(err || havepzio || db->db_state == DB_CACHED); + return (err); +} + +static void +dbuf_noread(dmu_buf_impl_t *db) +{ + ASSERT(!refcount_is_zero(&db->db_holds)); + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + mutex_enter(&db->db_mtx); + while (db->db_state == DB_READ || db->db_state == DB_FILL) + cv_wait(&db->db_changed, &db->db_mtx); + if (db->db_state == DB_UNCACHED) { + arc_buf_contents_t type = DBUF_GET_BUFC_TYPE(db); + spa_t *spa = db->db_objset->os_spa; + + ASSERT(db->db_buf == NULL); + ASSERT(db->db.db_data == NULL); + dbuf_set_data(db, arc_buf_alloc(spa, db->db.db_size, db, type)); + db->db_state = DB_FILL; + } else if (db->db_state == DB_NOFILL) { + dbuf_clear_data(db); + } else { + ASSERT3U(db->db_state, ==, DB_CACHED); + } + mutex_exit(&db->db_mtx); +} + +/* + * This is our just-in-time copy function. It makes a copy of + * buffers, that have been modified in a previous transaction + * group, before we modify them in the current active group. + * + * This function is used in two places: when we are dirtying a + * buffer for the first time in a txg, and when we are freeing + * a range in a dnode that includes this buffer. + * + * Note that when we are called from dbuf_free_range() we do + * not put a hold on the buffer, we just traverse the active + * dbuf list for the dnode. + */ +static void +dbuf_fix_old_data(dmu_buf_impl_t *db, uint64_t txg) +{ + dbuf_dirty_record_t *dr = db->db_last_dirty; + + ASSERT(MUTEX_HELD(&db->db_mtx)); + ASSERT(db->db.db_data != NULL); + ASSERT(db->db_level == 0); + ASSERT(db->db.db_object != DMU_META_DNODE_OBJECT); + + if (dr == NULL || + (dr->dt.dl.dr_data != + ((db->db_blkid == DMU_BONUS_BLKID) ? db->db.db_data : db->db_buf))) + return; + + /* + * If the last dirty record for this dbuf has not yet synced + * and its referencing the dbuf data, either: + * reset the reference to point to a new copy, + * or (if there a no active holders) + * just null out the current db_data pointer. + */ + ASSERT(dr->dr_txg >= txg - 2); + if (db->db_blkid == DMU_BONUS_BLKID) { + /* Note that the data bufs here are zio_bufs */ + dr->dt.dl.dr_data = zio_buf_alloc(DN_MAX_BONUSLEN); + arc_space_consume(DN_MAX_BONUSLEN, ARC_SPACE_OTHER); + bcopy(db->db.db_data, dr->dt.dl.dr_data, DN_MAX_BONUSLEN); + } else if (refcount_count(&db->db_holds) > db->db_dirtycnt) { + int size = db->db.db_size; + arc_buf_contents_t type = DBUF_GET_BUFC_TYPE(db); + spa_t *spa = db->db_objset->os_spa; + + dr->dt.dl.dr_data = arc_buf_alloc(spa, size, db, type); + bcopy(db->db.db_data, dr->dt.dl.dr_data->b_data, size); + } else { + dbuf_clear_data(db); + } +} + +void +dbuf_unoverride(dbuf_dirty_record_t *dr) +{ + dmu_buf_impl_t *db = dr->dr_dbuf; + blkptr_t *bp = &dr->dt.dl.dr_overridden_by; + uint64_t txg = dr->dr_txg; + + ASSERT(MUTEX_HELD(&db->db_mtx)); + ASSERT(dr->dt.dl.dr_override_state != DR_IN_DMU_SYNC); + ASSERT(db->db_level == 0); + + if (db->db_blkid == DMU_BONUS_BLKID || + dr->dt.dl.dr_override_state == DR_NOT_OVERRIDDEN) + return; + + ASSERT(db->db_data_pending != dr); + + /* free this block */ + if (!BP_IS_HOLE(bp) && !dr->dt.dl.dr_nopwrite) + zio_free(db->db_objset->os_spa, txg, bp); + + dr->dt.dl.dr_override_state = DR_NOT_OVERRIDDEN; + dr->dt.dl.dr_nopwrite = B_FALSE; + + /* + * Release the already-written buffer, so we leave it in + * a consistent dirty state. Note that all callers are + * modifying the buffer, so they will immediately do + * another (redundant) arc_release(). Therefore, leave + * the buf thawed to save the effort of freezing & + * immediately re-thawing it. + */ + arc_release(dr->dt.dl.dr_data, db); +} + +/* + * Evict (if its unreferenced) or clear (if its referenced) any level-0 + * data blocks in the free range, so that any future readers will find + * empty blocks. + * + * This is a no-op if the dataset is in the middle of an incremental + * receive; see comment below for details. + */ +void +dbuf_free_range(dnode_t *dn, uint64_t start_blkid, uint64_t end_blkid, + dmu_tx_t *tx) +{ + dmu_buf_impl_t *db_search; + dmu_buf_impl_t *db, *db_next; + uint64_t txg = tx->tx_txg; + avl_index_t where; + boolean_t freespill = + (start_blkid == DMU_SPILL_BLKID || end_blkid == DMU_SPILL_BLKID); + + if (end_blkid > dn->dn_maxblkid && !freespill) + end_blkid = dn->dn_maxblkid; + dprintf_dnode(dn, "start=%llu end=%llu\n", start_blkid, end_blkid); + + db_search = kmem_alloc(sizeof (dmu_buf_impl_t), KM_SLEEP); + db_search->db_level = 0; + db_search->db_blkid = start_blkid; + db_search->db_state = DB_SEARCH; + + mutex_enter(&dn->dn_dbufs_mtx); + if (start_blkid >= dn->dn_unlisted_l0_blkid && !freespill) { + /* There can't be any dbufs in this range; no need to search. */ +#ifdef DEBUG + db = avl_find(&dn->dn_dbufs, db_search, &where); + ASSERT3P(db, ==, NULL); + db = avl_nearest(&dn->dn_dbufs, where, AVL_AFTER); + ASSERT(db == NULL || db->db_level > 0); +#endif + goto out; + } else if (dmu_objset_is_receiving(dn->dn_objset)) { + /* + * If we are receiving, we expect there to be no dbufs in + * the range to be freed, because receive modifies each + * block at most once, and in offset order. If this is + * not the case, it can lead to performance problems, + * so note that we unexpectedly took the slow path. + */ + atomic_inc_64(&zfs_free_range_recv_miss); + } + + db = avl_find(&dn->dn_dbufs, db_search, &where); + ASSERT3P(db, ==, NULL); + db = avl_nearest(&dn->dn_dbufs, where, AVL_AFTER); + + for (; db != NULL; db = db_next) { + db_next = AVL_NEXT(&dn->dn_dbufs, db); + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + + if (db->db_level != 0 || db->db_blkid > end_blkid) { + break; + } + ASSERT3U(db->db_blkid, >=, start_blkid); + + /* found a level 0 buffer in the range */ + mutex_enter(&db->db_mtx); + if (dbuf_undirty(db, tx)) { + /* mutex has been dropped and dbuf destroyed */ + continue; + } + + if (db->db_state == DB_UNCACHED || + db->db_state == DB_NOFILL || + db->db_state == DB_EVICTING) { + ASSERT(db->db.db_data == NULL); + mutex_exit(&db->db_mtx); + continue; + } + if (db->db_state == DB_READ || db->db_state == DB_FILL) { + /* will be handled in dbuf_read_done or dbuf_rele */ + db->db_freed_in_flight = TRUE; + mutex_exit(&db->db_mtx); + continue; + } + if (refcount_count(&db->db_holds) == 0) { + ASSERT(db->db_buf); + dbuf_clear(db); + continue; + } + /* The dbuf is referenced */ + + if (db->db_last_dirty != NULL) { + dbuf_dirty_record_t *dr = db->db_last_dirty; + + if (dr->dr_txg == txg) { + /* + * This buffer is "in-use", re-adjust the file + * size to reflect that this buffer may + * contain new data when we sync. + */ + if (db->db_blkid != DMU_SPILL_BLKID && + db->db_blkid > dn->dn_maxblkid) + dn->dn_maxblkid = db->db_blkid; + dbuf_unoverride(dr); + } else { + /* + * This dbuf is not dirty in the open context. + * Either uncache it (if its not referenced in + * the open context) or reset its contents to + * empty. + */ + dbuf_fix_old_data(db, txg); + } + } + /* clear the contents if its cached */ + if (db->db_state == DB_CACHED) { + ASSERT(db->db.db_data != NULL); + arc_release(db->db_buf, db); + bzero(db->db.db_data, db->db.db_size); + arc_buf_freeze(db->db_buf); + } + + mutex_exit(&db->db_mtx); + } + +out: + kmem_free(db_search, sizeof (dmu_buf_impl_t)); + mutex_exit(&dn->dn_dbufs_mtx); +} + +static int +dbuf_block_freeable(dmu_buf_impl_t *db) +{ + dsl_dataset_t *ds = db->db_objset->os_dsl_dataset; + uint64_t birth_txg = 0; + + /* + * We don't need any locking to protect db_blkptr: + * If it's syncing, then db_last_dirty will be set + * so we'll ignore db_blkptr. + * + * This logic ensures that only block births for + * filled blocks are considered. + */ + ASSERT(MUTEX_HELD(&db->db_mtx)); + if (db->db_last_dirty && (db->db_blkptr == NULL || + !BP_IS_HOLE(db->db_blkptr))) { + birth_txg = db->db_last_dirty->dr_txg; + } else if (db->db_blkptr != NULL && !BP_IS_HOLE(db->db_blkptr)) { + birth_txg = db->db_blkptr->blk_birth; + } + + /* + * If this block don't exist or is in a snapshot, it can't be freed. + * Don't pass the bp to dsl_dataset_block_freeable() since we + * are holding the db_mtx lock and might deadlock if we are + * prefetching a dedup-ed block. + */ + if (birth_txg != 0) + return (ds == NULL || + dsl_dataset_block_freeable(ds, NULL, birth_txg)); + else + return (B_FALSE); +} + +void +dbuf_new_size(dmu_buf_impl_t *db, int size, dmu_tx_t *tx) +{ + arc_buf_t *buf, *obuf; + int osize = db->db.db_size; + arc_buf_contents_t type = DBUF_GET_BUFC_TYPE(db); + dnode_t *dn; + + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + + /* XXX does *this* func really need the lock? */ + ASSERT(RW_WRITE_HELD(&dn->dn_struct_rwlock)); + + /* + * This call to dmu_buf_will_dirty() with the dn_struct_rwlock held + * is OK, because there can be no other references to the db + * when we are changing its size, so no concurrent DB_FILL can + * be happening. + */ + /* + * XXX we should be doing a dbuf_read, checking the return + * value and returning that up to our callers + */ + dmu_buf_will_dirty(&db->db, tx); + + /* create the data buffer for the new block */ + buf = arc_buf_alloc(dn->dn_objset->os_spa, size, db, type); + + /* copy old block data to the new block */ + obuf = db->db_buf; + bcopy(obuf->b_data, buf->b_data, MIN(osize, size)); + /* zero the remainder */ + if (size > osize) + bzero((uint8_t *)buf->b_data + osize, size - osize); + + mutex_enter(&db->db_mtx); + dbuf_set_data(db, buf); + VERIFY(arc_buf_remove_ref(obuf, db)); + db->db.db_size = size; + + if (db->db_level == 0) { + ASSERT3U(db->db_last_dirty->dr_txg, ==, tx->tx_txg); + db->db_last_dirty->dt.dl.dr_data = buf; + } + mutex_exit(&db->db_mtx); + + dnode_willuse_space(dn, size-osize, tx); + DB_DNODE_EXIT(db); +} + +void +dbuf_release_bp(dmu_buf_impl_t *db) +{ + ASSERTV(objset_t *os = db->db_objset); + + ASSERT(dsl_pool_sync_context(dmu_objset_pool(os))); + ASSERT(arc_released(os->os_phys_buf) || + list_link_active(&os->os_dsl_dataset->ds_synced_link)); + ASSERT(db->db_parent == NULL || arc_released(db->db_parent->db_buf)); + + (void) arc_release(db->db_buf, db); +} + +dbuf_dirty_record_t * +dbuf_dirty(dmu_buf_impl_t *db, dmu_tx_t *tx) +{ + dnode_t *dn; + objset_t *os; + dbuf_dirty_record_t **drp, *dr; + int drop_struct_lock = FALSE; + boolean_t do_free_accounting = B_FALSE; + int txgoff = tx->tx_txg & TXG_MASK; + + ASSERT(tx->tx_txg != 0); + ASSERT(!refcount_is_zero(&db->db_holds)); + DMU_TX_DIRTY_BUF(tx, db); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + /* + * Shouldn't dirty a regular buffer in syncing context. Private + * objects may be dirtied in syncing context, but only if they + * were already pre-dirtied in open context. + */ + ASSERT(!dmu_tx_is_syncing(tx) || + BP_IS_HOLE(dn->dn_objset->os_rootbp) || + DMU_OBJECT_IS_SPECIAL(dn->dn_object) || + dn->dn_objset->os_dsl_dataset == NULL); + /* + * We make this assert for private objects as well, but after we + * check if we're already dirty. They are allowed to re-dirty + * in syncing context. + */ + ASSERT(dn->dn_object == DMU_META_DNODE_OBJECT || + dn->dn_dirtyctx == DN_UNDIRTIED || dn->dn_dirtyctx == + (dmu_tx_is_syncing(tx) ? DN_DIRTY_SYNC : DN_DIRTY_OPEN)); + + mutex_enter(&db->db_mtx); + /* + * XXX make this true for indirects too? The problem is that + * transactions created with dmu_tx_create_assigned() from + * syncing context don't bother holding ahead. + */ + ASSERT(db->db_level != 0 || + db->db_state == DB_CACHED || db->db_state == DB_FILL || + db->db_state == DB_NOFILL); + + mutex_enter(&dn->dn_mtx); + /* + * Don't set dirtyctx to SYNC if we're just modifying this as we + * initialize the objset. + */ + if (dn->dn_dirtyctx == DN_UNDIRTIED && + !BP_IS_HOLE(dn->dn_objset->os_rootbp)) { + dn->dn_dirtyctx = + (dmu_tx_is_syncing(tx) ? DN_DIRTY_SYNC : DN_DIRTY_OPEN); + ASSERT(dn->dn_dirtyctx_firstset == NULL); + dn->dn_dirtyctx_firstset = kmem_alloc(1, KM_SLEEP); + } + mutex_exit(&dn->dn_mtx); + + if (db->db_blkid == DMU_SPILL_BLKID) + dn->dn_have_spill = B_TRUE; + + /* + * If this buffer is already dirty, we're done. + */ + drp = &db->db_last_dirty; + ASSERT(*drp == NULL || (*drp)->dr_txg <= tx->tx_txg || + db->db.db_object == DMU_META_DNODE_OBJECT); + while ((dr = *drp) != NULL && dr->dr_txg > tx->tx_txg) + drp = &dr->dr_next; + if (dr && dr->dr_txg == tx->tx_txg) { + DB_DNODE_EXIT(db); + + if (db->db_level == 0 && db->db_blkid != DMU_BONUS_BLKID) { + /* + * If this buffer has already been written out, + * we now need to reset its state. + */ + dbuf_unoverride(dr); + if (db->db.db_object != DMU_META_DNODE_OBJECT && + db->db_state != DB_NOFILL) + arc_buf_thaw(db->db_buf); + } + mutex_exit(&db->db_mtx); + return (dr); + } + + /* + * Only valid if not already dirty. + */ + ASSERT(dn->dn_object == 0 || + dn->dn_dirtyctx == DN_UNDIRTIED || dn->dn_dirtyctx == + (dmu_tx_is_syncing(tx) ? DN_DIRTY_SYNC : DN_DIRTY_OPEN)); + + ASSERT3U(dn->dn_nlevels, >, db->db_level); + ASSERT((dn->dn_phys->dn_nlevels == 0 && db->db_level == 0) || + dn->dn_phys->dn_nlevels > db->db_level || + dn->dn_next_nlevels[txgoff] > db->db_level || + dn->dn_next_nlevels[(tx->tx_txg-1) & TXG_MASK] > db->db_level || + dn->dn_next_nlevels[(tx->tx_txg-2) & TXG_MASK] > db->db_level); + + /* + * We should only be dirtying in syncing context if it's the + * mos or we're initializing the os or it's a special object. + * However, we are allowed to dirty in syncing context provided + * we already dirtied it in open context. Hence we must make + * this assertion only if we're not already dirty. + */ + os = dn->dn_objset; + ASSERT(!dmu_tx_is_syncing(tx) || DMU_OBJECT_IS_SPECIAL(dn->dn_object) || + os->os_dsl_dataset == NULL || BP_IS_HOLE(os->os_rootbp)); + ASSERT(db->db.db_size != 0); + + dprintf_dbuf(db, "size=%llx\n", (u_longlong_t)db->db.db_size); + + if (db->db_blkid != DMU_BONUS_BLKID) { + /* + * Update the accounting. + * Note: we delay "free accounting" until after we drop + * the db_mtx. This keeps us from grabbing other locks + * (and possibly deadlocking) in bp_get_dsize() while + * also holding the db_mtx. + */ + dnode_willuse_space(dn, db->db.db_size, tx); + do_free_accounting = dbuf_block_freeable(db); + } + + /* + * If this buffer is dirty in an old transaction group we need + * to make a copy of it so that the changes we make in this + * transaction group won't leak out when we sync the older txg. + */ + dr = kmem_zalloc(sizeof (dbuf_dirty_record_t), KM_SLEEP); + list_link_init(&dr->dr_dirty_node); + if (db->db_level == 0) { + void *data_old = db->db_buf; + + if (db->db_state != DB_NOFILL) { + if (db->db_blkid == DMU_BONUS_BLKID) { + dbuf_fix_old_data(db, tx->tx_txg); + data_old = db->db.db_data; + } else if (db->db.db_object != DMU_META_DNODE_OBJECT) { + /* + * Release the data buffer from the cache so + * that we can modify it without impacting + * possible other users of this cached data + * block. Note that indirect blocks and + * private objects are not released until the + * syncing state (since they are only modified + * then). + */ + arc_release(db->db_buf, db); + dbuf_fix_old_data(db, tx->tx_txg); + data_old = db->db_buf; + } + ASSERT(data_old != NULL); + } + dr->dt.dl.dr_data = data_old; + } else { + mutex_init(&dr->dt.di.dr_mtx, NULL, MUTEX_DEFAULT, NULL); + list_create(&dr->dt.di.dr_children, + sizeof (dbuf_dirty_record_t), + offsetof(dbuf_dirty_record_t, dr_dirty_node)); + } + if (db->db_blkid != DMU_BONUS_BLKID && os->os_dsl_dataset != NULL) + dr->dr_accounted = db->db.db_size; + dr->dr_dbuf = db; + dr->dr_txg = tx->tx_txg; + dr->dr_next = *drp; + *drp = dr; + + /* + * We could have been freed_in_flight between the dbuf_noread + * and dbuf_dirty. We win, as though the dbuf_noread() had + * happened after the free. + */ + if (db->db_level == 0 && db->db_blkid != DMU_BONUS_BLKID && + db->db_blkid != DMU_SPILL_BLKID) { + mutex_enter(&dn->dn_mtx); + if (dn->dn_free_ranges[txgoff] != NULL) { + range_tree_clear(dn->dn_free_ranges[txgoff], + db->db_blkid, 1); + } + mutex_exit(&dn->dn_mtx); + db->db_freed_in_flight = FALSE; + } + + /* + * This buffer is now part of this txg + */ + dbuf_add_ref(db, (void *)(uintptr_t)tx->tx_txg); + db->db_dirtycnt += 1; + ASSERT3U(db->db_dirtycnt, <=, 3); + + mutex_exit(&db->db_mtx); + + if (db->db_blkid == DMU_BONUS_BLKID || + db->db_blkid == DMU_SPILL_BLKID) { + mutex_enter(&dn->dn_mtx); + ASSERT(!list_link_active(&dr->dr_dirty_node)); + list_insert_tail(&dn->dn_dirty_records[txgoff], dr); + mutex_exit(&dn->dn_mtx); + dnode_setdirty(dn, tx); + DB_DNODE_EXIT(db); + return (dr); + } else if (do_free_accounting) { + blkptr_t *bp = db->db_blkptr; + int64_t willfree = (bp && !BP_IS_HOLE(bp)) ? + bp_get_dsize(os->os_spa, bp) : db->db.db_size; + /* + * This is only a guess -- if the dbuf is dirty + * in a previous txg, we don't know how much + * space it will use on disk yet. We should + * really have the struct_rwlock to access + * db_blkptr, but since this is just a guess, + * it's OK if we get an odd answer. + */ + ddt_prefetch(os->os_spa, bp); + dnode_willuse_space(dn, -willfree, tx); + } + + if (!RW_WRITE_HELD(&dn->dn_struct_rwlock)) { + rw_enter(&dn->dn_struct_rwlock, RW_READER); + drop_struct_lock = TRUE; + } + + if (db->db_level == 0) { + dnode_new_blkid(dn, db->db_blkid, tx, drop_struct_lock); + ASSERT(dn->dn_maxblkid >= db->db_blkid); + } + + if (db->db_level+1 < dn->dn_nlevels) { + dmu_buf_impl_t *parent = db->db_parent; + dbuf_dirty_record_t *di; + int parent_held = FALSE; + + if (db->db_parent == NULL || db->db_parent == dn->dn_dbuf) { + int epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + + parent = dbuf_hold_level(dn, db->db_level+1, + db->db_blkid >> epbs, FTAG); + ASSERT(parent != NULL); + parent_held = TRUE; + } + if (drop_struct_lock) + rw_exit(&dn->dn_struct_rwlock); + ASSERT3U(db->db_level+1, ==, parent->db_level); + di = dbuf_dirty(parent, tx); + if (parent_held) + dbuf_rele(parent, FTAG); + + mutex_enter(&db->db_mtx); + /* + * Since we've dropped the mutex, it's possible that + * dbuf_undirty() might have changed this out from under us. + */ + if (db->db_last_dirty == dr || + dn->dn_object == DMU_META_DNODE_OBJECT) { + mutex_enter(&di->dt.di.dr_mtx); + ASSERT3U(di->dr_txg, ==, tx->tx_txg); + ASSERT(!list_link_active(&dr->dr_dirty_node)); + list_insert_tail(&di->dt.di.dr_children, dr); + mutex_exit(&di->dt.di.dr_mtx); + dr->dr_parent = di; + } + mutex_exit(&db->db_mtx); + } else { + ASSERT(db->db_level+1 == dn->dn_nlevels); + ASSERT(db->db_blkid < dn->dn_nblkptr); + ASSERT(db->db_parent == NULL || db->db_parent == dn->dn_dbuf); + mutex_enter(&dn->dn_mtx); + ASSERT(!list_link_active(&dr->dr_dirty_node)); + list_insert_tail(&dn->dn_dirty_records[txgoff], dr); + mutex_exit(&dn->dn_mtx); + if (drop_struct_lock) + rw_exit(&dn->dn_struct_rwlock); + } + + dnode_setdirty(dn, tx); + DB_DNODE_EXIT(db); + return (dr); +} + +/* + * Undirty a buffer in the transaction group referenced by the given + * transaction. Return whether this evicted the dbuf. + */ +static boolean_t +dbuf_undirty(dmu_buf_impl_t *db, dmu_tx_t *tx) +{ + dnode_t *dn; + uint64_t txg = tx->tx_txg; + dbuf_dirty_record_t *dr, **drp; + + ASSERT(txg != 0); + + /* + * Due to our use of dn_nlevels below, this can only be called + * in open context, unless we are operating on the MOS. + * From syncing context, dn_nlevels may be different from the + * dn_nlevels used when dbuf was dirtied. + */ + ASSERT(db->db_objset == + dmu_objset_pool(db->db_objset)->dp_meta_objset || + txg != spa_syncing_txg(dmu_objset_spa(db->db_objset))); + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + ASSERT0(db->db_level); + ASSERT(MUTEX_HELD(&db->db_mtx)); + + /* + * If this buffer is not dirty, we're done. + */ + for (drp = &db->db_last_dirty; (dr = *drp) != NULL; drp = &dr->dr_next) + if (dr->dr_txg <= txg) + break; + if (dr == NULL || dr->dr_txg < txg) + return (B_FALSE); + ASSERT(dr->dr_txg == txg); + ASSERT(dr->dr_dbuf == db); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + + dprintf_dbuf(db, "size=%llx\n", (u_longlong_t)db->db.db_size); + + ASSERT(db->db.db_size != 0); + + dsl_pool_undirty_space(dmu_objset_pool(dn->dn_objset), + dr->dr_accounted, txg); + + *drp = dr->dr_next; + + /* + * Note that there are three places in dbuf_dirty() + * where this dirty record may be put on a list. + * Make sure to do a list_remove corresponding to + * every one of those list_insert calls. + */ + if (dr->dr_parent) { + mutex_enter(&dr->dr_parent->dt.di.dr_mtx); + list_remove(&dr->dr_parent->dt.di.dr_children, dr); + mutex_exit(&dr->dr_parent->dt.di.dr_mtx); + } else if (db->db_blkid == DMU_SPILL_BLKID || + db->db_level + 1 == dn->dn_nlevels) { + ASSERT(db->db_blkptr == NULL || db->db_parent == dn->dn_dbuf); + mutex_enter(&dn->dn_mtx); + list_remove(&dn->dn_dirty_records[txg & TXG_MASK], dr); + mutex_exit(&dn->dn_mtx); + } + DB_DNODE_EXIT(db); + + if (db->db_state != DB_NOFILL) { + dbuf_unoverride(dr); + + ASSERT(db->db_buf != NULL); + ASSERT(dr->dt.dl.dr_data != NULL); + if (dr->dt.dl.dr_data != db->db_buf) + VERIFY(arc_buf_remove_ref(dr->dt.dl.dr_data, db)); + } + + kmem_free(dr, sizeof (dbuf_dirty_record_t)); + + ASSERT(db->db_dirtycnt > 0); + db->db_dirtycnt -= 1; + + if (refcount_remove(&db->db_holds, (void *)(uintptr_t)txg) == 0) { + arc_buf_t *buf = db->db_buf; + + ASSERT(db->db_state == DB_NOFILL || arc_released(buf)); + dbuf_clear_data(db); + VERIFY(arc_buf_remove_ref(buf, db)); + dbuf_evict(db); + return (B_TRUE); + } + + return (B_FALSE); +} + +void +dmu_buf_will_dirty(dmu_buf_t *db_fake, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + int rf = DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH; + + ASSERT(tx->tx_txg != 0); + ASSERT(!refcount_is_zero(&db->db_holds)); + + DB_DNODE_ENTER(db); + if (RW_WRITE_HELD(&DB_DNODE(db)->dn_struct_rwlock)) + rf |= DB_RF_HAVESTRUCT; + DB_DNODE_EXIT(db); + (void) dbuf_read(db, NULL, rf); + (void) dbuf_dirty(db, tx); +} + +void +dmu_buf_will_not_fill(dmu_buf_t *db_fake, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + + db->db_state = DB_NOFILL; + + dmu_buf_will_fill(db_fake, tx); +} + +void +dmu_buf_will_fill(dmu_buf_t *db_fake, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + ASSERT(tx->tx_txg != 0); + ASSERT(db->db_level == 0); + ASSERT(!refcount_is_zero(&db->db_holds)); + + ASSERT(db->db.db_object != DMU_META_DNODE_OBJECT || + dmu_tx_private_ok(tx)); + + dbuf_noread(db); + (void) dbuf_dirty(db, tx); +} + +#pragma weak dmu_buf_fill_done = dbuf_fill_done +/* ARGSUSED */ +void +dbuf_fill_done(dmu_buf_impl_t *db, dmu_tx_t *tx) +{ + mutex_enter(&db->db_mtx); + DBUF_VERIFY(db); + + if (db->db_state == DB_FILL) { + if (db->db_level == 0 && db->db_freed_in_flight) { + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + /* we were freed while filling */ + /* XXX dbuf_undirty? */ + bzero(db->db.db_data, db->db.db_size); + db->db_freed_in_flight = FALSE; + } + db->db_state = DB_CACHED; + cv_broadcast(&db->db_changed); + } + mutex_exit(&db->db_mtx); +} + +void +dmu_buf_write_embedded(dmu_buf_t *dbuf, void *data, + bp_embedded_type_t etype, enum zio_compress comp, + int uncompressed_size, int compressed_size, int byteorder, + dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)dbuf; + struct dirty_leaf *dl; + dmu_object_type_t type; + + DB_DNODE_ENTER(db); + type = DB_DNODE(db)->dn_type; + DB_DNODE_EXIT(db); + + ASSERT0(db->db_level); + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + + dmu_buf_will_not_fill(dbuf, tx); + + ASSERT3U(db->db_last_dirty->dr_txg, ==, tx->tx_txg); + dl = &db->db_last_dirty->dt.dl; + encode_embedded_bp_compressed(&dl->dr_overridden_by, + data, comp, uncompressed_size, compressed_size); + BPE_SET_ETYPE(&dl->dr_overridden_by, etype); + BP_SET_TYPE(&dl->dr_overridden_by, type); + BP_SET_LEVEL(&dl->dr_overridden_by, 0); + BP_SET_BYTEORDER(&dl->dr_overridden_by, byteorder); + + dl->dr_override_state = DR_OVERRIDDEN; + dl->dr_overridden_by.blk_birth = db->db_last_dirty->dr_txg; +} + +/* + * Directly assign a provided arc buf to a given dbuf if it's not referenced + * by anybody except our caller. Otherwise copy arcbuf's contents to dbuf. + */ +void +dbuf_assign_arcbuf(dmu_buf_impl_t *db, arc_buf_t *buf, dmu_tx_t *tx) +{ + ASSERT(!refcount_is_zero(&db->db_holds)); + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + ASSERT(db->db_level == 0); + ASSERT(DBUF_GET_BUFC_TYPE(db) == ARC_BUFC_DATA); + ASSERT(buf != NULL); + ASSERT(arc_buf_size(buf) == db->db.db_size); + ASSERT(tx->tx_txg != 0); + + arc_return_buf(buf, db); + ASSERT(arc_released(buf)); + + mutex_enter(&db->db_mtx); + + while (db->db_state == DB_READ || db->db_state == DB_FILL) + cv_wait(&db->db_changed, &db->db_mtx); + + ASSERT(db->db_state == DB_CACHED || db->db_state == DB_UNCACHED); + + if (db->db_state == DB_CACHED && + refcount_count(&db->db_holds) - 1 > db->db_dirtycnt) { + mutex_exit(&db->db_mtx); + (void) dbuf_dirty(db, tx); + bcopy(buf->b_data, db->db.db_data, db->db.db_size); + VERIFY(arc_buf_remove_ref(buf, db)); + xuio_stat_wbuf_copied(); + return; + } + + xuio_stat_wbuf_nocopy(); + if (db->db_state == DB_CACHED) { + dbuf_dirty_record_t *dr = db->db_last_dirty; + + ASSERT(db->db_buf != NULL); + if (dr != NULL && dr->dr_txg == tx->tx_txg) { + ASSERT(dr->dt.dl.dr_data == db->db_buf); + if (!arc_released(db->db_buf)) { + ASSERT(dr->dt.dl.dr_override_state == + DR_OVERRIDDEN); + arc_release(db->db_buf, db); + } + dr->dt.dl.dr_data = buf; + VERIFY(arc_buf_remove_ref(db->db_buf, db)); + } else if (dr == NULL || dr->dt.dl.dr_data != db->db_buf) { + arc_release(db->db_buf, db); + VERIFY(arc_buf_remove_ref(db->db_buf, db)); + } + db->db_buf = NULL; + } + ASSERT(db->db_buf == NULL); + dbuf_set_data(db, buf); + db->db_state = DB_FILL; + mutex_exit(&db->db_mtx); + (void) dbuf_dirty(db, tx); + dmu_buf_fill_done(&db->db, tx); +} + +/* + * "Clear" the contents of this dbuf. This will mark the dbuf + * EVICTING and clear *most* of its references. Unfortunately, + * when we are not holding the dn_dbufs_mtx, we can't clear the + * entry in the dn_dbufs list. We have to wait until dbuf_destroy() + * in this case. For callers from the DMU we will usually see: + * dbuf_clear()->arc_clear_callback()->dbuf_do_evict()->dbuf_destroy() + * For the arc callback, we will usually see: + * dbuf_do_evict()->dbuf_clear();dbuf_destroy() + * Sometimes, though, we will get a mix of these two: + * DMU: dbuf_clear()->arc_clear_callback() + * ARC: dbuf_do_evict()->dbuf_destroy() + * + * This routine will dissociate the dbuf from the arc, by calling + * arc_clear_callback(), but will not evict the data from the ARC. + */ +void +dbuf_clear(dmu_buf_impl_t *db) +{ + dnode_t *dn; + dmu_buf_impl_t *parent = db->db_parent; + dmu_buf_impl_t *dndb; + boolean_t dbuf_gone = B_FALSE; + + ASSERT(MUTEX_HELD(&db->db_mtx)); + ASSERT(refcount_is_zero(&db->db_holds)); + + dbuf_evict_user(db); + + if (db->db_state == DB_CACHED) { + ASSERT(db->db.db_data != NULL); + if (db->db_blkid == DMU_BONUS_BLKID) { + zio_buf_free(db->db.db_data, DN_MAX_BONUSLEN); + arc_space_return(DN_MAX_BONUSLEN, ARC_SPACE_OTHER); + } + db->db.db_data = NULL; + db->db_state = DB_UNCACHED; + } + + ASSERT(db->db_state == DB_UNCACHED || db->db_state == DB_NOFILL); + ASSERT(db->db_data_pending == NULL); + + db->db_state = DB_EVICTING; + db->db_blkptr = NULL; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + dndb = dn->dn_dbuf; + if (db->db_blkid != DMU_BONUS_BLKID && MUTEX_HELD(&dn->dn_dbufs_mtx)) { + avl_remove(&dn->dn_dbufs, db); + atomic_dec_32(&dn->dn_dbufs_count); + membar_producer(); + DB_DNODE_EXIT(db); + /* + * Decrementing the dbuf count means that the hold corresponding + * to the removed dbuf is no longer discounted in dnode_move(), + * so the dnode cannot be moved until after we release the hold. + * The membar_producer() ensures visibility of the decremented + * value in dnode_move(), since DB_DNODE_EXIT doesn't actually + * release any lock. + */ + dnode_rele(dn, db); + db->db_dnode_handle = NULL; + } else { + DB_DNODE_EXIT(db); + } + + if (db->db_buf) + dbuf_gone = arc_clear_callback(db->db_buf); + + if (!dbuf_gone) + mutex_exit(&db->db_mtx); + + /* + * If this dbuf is referenced from an indirect dbuf, + * decrement the ref count on the indirect dbuf. + */ + if (parent && parent != dndb) + dbuf_rele(parent, db); +} + +__attribute__((always_inline)) +static inline int +dbuf_findbp(dnode_t *dn, int level, uint64_t blkid, int fail_sparse, + dmu_buf_impl_t **parentp, blkptr_t **bpp, struct dbuf_hold_impl_data *dh) +{ + int nlevels, epbs; + + *parentp = NULL; + *bpp = NULL; + + ASSERT(blkid != DMU_BONUS_BLKID); + + if (blkid == DMU_SPILL_BLKID) { + mutex_enter(&dn->dn_mtx); + if (dn->dn_have_spill && + (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR)) + *bpp = &dn->dn_phys->dn_spill; + else + *bpp = NULL; + dbuf_add_ref(dn->dn_dbuf, NULL); + *parentp = dn->dn_dbuf; + mutex_exit(&dn->dn_mtx); + return (0); + } + + if (dn->dn_phys->dn_nlevels == 0) + nlevels = 1; + else + nlevels = dn->dn_phys->dn_nlevels; + + epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + + ASSERT3U(level * epbs, <, 64); + ASSERT(RW_LOCK_HELD(&dn->dn_struct_rwlock)); + if (level >= nlevels || + (blkid > (dn->dn_phys->dn_maxblkid >> (level * epbs)))) { + /* the buffer has no parent yet */ + return (SET_ERROR(ENOENT)); + } else if (level < nlevels-1) { + /* this block is referenced from an indirect block */ + int err; + if (dh == NULL) { + err = dbuf_hold_impl(dn, level+1, blkid >> epbs, + fail_sparse, NULL, parentp); + } else { + __dbuf_hold_impl_init(dh + 1, dn, dh->dh_level + 1, + blkid >> epbs, fail_sparse, NULL, + parentp, dh->dh_depth + 1); + err = __dbuf_hold_impl(dh + 1); + } + if (err) + return (err); + err = dbuf_read(*parentp, NULL, + (DB_RF_HAVESTRUCT | DB_RF_NOPREFETCH | DB_RF_CANFAIL)); + if (err) { + dbuf_rele(*parentp, NULL); + *parentp = NULL; + return (err); + } + *bpp = ((blkptr_t *)(*parentp)->db.db_data) + + (blkid & ((1ULL << epbs) - 1)); + return (0); + } else { + /* the block is referenced from the dnode */ + ASSERT3U(level, ==, nlevels-1); + ASSERT(dn->dn_phys->dn_nblkptr == 0 || + blkid < dn->dn_phys->dn_nblkptr); + if (dn->dn_dbuf) { + dbuf_add_ref(dn->dn_dbuf, NULL); + *parentp = dn->dn_dbuf; + } + *bpp = &dn->dn_phys->dn_blkptr[blkid]; + return (0); + } +} + +static dmu_buf_impl_t * +dbuf_create(dnode_t *dn, uint8_t level, uint64_t blkid, + dmu_buf_impl_t *parent, blkptr_t *blkptr) +{ + objset_t *os = dn->dn_objset; + dmu_buf_impl_t *db, *odb; + + ASSERT(RW_LOCK_HELD(&dn->dn_struct_rwlock)); + ASSERT(dn->dn_type != DMU_OT_NONE); + + db = kmem_cache_alloc(dbuf_cache, KM_SLEEP); + + db->db_objset = os; + db->db.db_object = dn->dn_object; + db->db_level = level; + db->db_blkid = blkid; + db->db_last_dirty = NULL; + db->db_dirtycnt = 0; + db->db_dnode_handle = dn->dn_handle; + db->db_parent = parent; + db->db_blkptr = blkptr; + + db->db_user = NULL; + db->db_user_immediate_evict = FALSE; + db->db_freed_in_flight = FALSE; + db->db_pending_evict = FALSE; + + if (blkid == DMU_BONUS_BLKID) { + ASSERT3P(parent, ==, dn->dn_dbuf); + db->db.db_size = DN_MAX_BONUSLEN - + (dn->dn_nblkptr-1) * sizeof (blkptr_t); + ASSERT3U(db->db.db_size, >=, dn->dn_bonuslen); + db->db.db_offset = DMU_BONUS_BLKID; + db->db_state = DB_UNCACHED; + /* the bonus dbuf is not placed in the hash table */ + arc_space_consume(sizeof (dmu_buf_impl_t), ARC_SPACE_OTHER); + return (db); + } else if (blkid == DMU_SPILL_BLKID) { + db->db.db_size = (blkptr != NULL) ? + BP_GET_LSIZE(blkptr) : SPA_MINBLOCKSIZE; + db->db.db_offset = 0; + } else { + int blocksize = + db->db_level ? 1 << dn->dn_indblkshift : dn->dn_datablksz; + db->db.db_size = blocksize; + db->db.db_offset = db->db_blkid * blocksize; + } + + /* + * Hold the dn_dbufs_mtx while we get the new dbuf + * in the hash table *and* added to the dbufs list. + * This prevents a possible deadlock with someone + * trying to look up this dbuf before its added to the + * dn_dbufs list. + */ + mutex_enter(&dn->dn_dbufs_mtx); + db->db_state = DB_EVICTING; + if ((odb = dbuf_hash_insert(db)) != NULL) { + /* someone else inserted it first */ + kmem_cache_free(dbuf_cache, db); + mutex_exit(&dn->dn_dbufs_mtx); + return (odb); + } + avl_add(&dn->dn_dbufs, db); + if (db->db_level == 0 && db->db_blkid >= + dn->dn_unlisted_l0_blkid) + dn->dn_unlisted_l0_blkid = db->db_blkid + 1; + db->db_state = DB_UNCACHED; + mutex_exit(&dn->dn_dbufs_mtx); + arc_space_consume(sizeof (dmu_buf_impl_t), ARC_SPACE_OTHER); + + if (parent && parent != dn->dn_dbuf) + dbuf_add_ref(parent, db); + + ASSERT(dn->dn_object == DMU_META_DNODE_OBJECT || + refcount_count(&dn->dn_holds) > 0); + (void) refcount_add(&dn->dn_holds, db); + atomic_inc_32(&dn->dn_dbufs_count); + + dprintf_dbuf(db, "db=%p\n", db); + + return (db); +} + +static int +dbuf_do_evict(void *private) +{ + dmu_buf_impl_t *db = private; + + if (!MUTEX_HELD(&db->db_mtx)) + mutex_enter(&db->db_mtx); + + ASSERT(refcount_is_zero(&db->db_holds)); + + if (db->db_state != DB_EVICTING) { + ASSERT(db->db_state == DB_CACHED); + DBUF_VERIFY(db); + db->db_buf = NULL; + dbuf_evict(db); + } else { + mutex_exit(&db->db_mtx); + dbuf_destroy(db); + } + return (0); +} + +static void +dbuf_destroy(dmu_buf_impl_t *db) +{ + ASSERT(refcount_is_zero(&db->db_holds)); + + if (db->db_blkid != DMU_BONUS_BLKID) { + /* + * If this dbuf is still on the dn_dbufs list, + * remove it from that list. + */ + if (db->db_dnode_handle != NULL) { + dnode_t *dn; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + mutex_enter(&dn->dn_dbufs_mtx); + avl_remove(&dn->dn_dbufs, db); + atomic_dec_32(&dn->dn_dbufs_count); + mutex_exit(&dn->dn_dbufs_mtx); + DB_DNODE_EXIT(db); + /* + * Decrementing the dbuf count means that the hold + * corresponding to the removed dbuf is no longer + * discounted in dnode_move(), so the dnode cannot be + * moved until after we release the hold. + */ + dnode_rele(dn, db); + db->db_dnode_handle = NULL; + } + dbuf_hash_remove(db); + } + db->db_parent = NULL; + db->db_buf = NULL; + + ASSERT(db->db.db_data == NULL); + ASSERT(db->db_hash_next == NULL); + ASSERT(db->db_blkptr == NULL); + ASSERT(db->db_data_pending == NULL); + + kmem_cache_free(dbuf_cache, db); + arc_space_return(sizeof (dmu_buf_impl_t), ARC_SPACE_OTHER); +} + +void +dbuf_prefetch(dnode_t *dn, uint64_t blkid, zio_priority_t prio) +{ + dmu_buf_impl_t *db = NULL; + blkptr_t *bp = NULL; + + ASSERT(blkid != DMU_BONUS_BLKID); + ASSERT(RW_LOCK_HELD(&dn->dn_struct_rwlock)); + + if (dnode_block_freed(dn, blkid)) + return; + + /* dbuf_find() returns with db_mtx held */ + if ((db = dbuf_find(dn->dn_objset, dn->dn_object, 0, blkid))) { + /* + * This dbuf is already in the cache. We assume that + * it is already CACHED, or else about to be either + * read or filled. + */ + mutex_exit(&db->db_mtx); + return; + } + + if (dbuf_findbp(dn, 0, blkid, TRUE, &db, &bp, NULL) == 0) { + if (bp && !BP_IS_HOLE(bp) && !BP_IS_EMBEDDED(bp)) { + dsl_dataset_t *ds = dn->dn_objset->os_dsl_dataset; + arc_flags_t aflags = + ARC_FLAG_NOWAIT | ARC_FLAG_PREFETCH; + zbookmark_phys_t zb; + + SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET, + dn->dn_object, 0, blkid); + + (void) arc_read(NULL, dn->dn_objset->os_spa, + bp, NULL, NULL, prio, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE, + &aflags, &zb); + } + if (db) + dbuf_rele(db, NULL); + } +} + +#define DBUF_HOLD_IMPL_MAX_DEPTH 20 + +/* + * Returns with db_holds incremented, and db_mtx not held. + * Note: dn_struct_rwlock must be held. + */ +static int +__dbuf_hold_impl(struct dbuf_hold_impl_data *dh) +{ + ASSERT3S(dh->dh_depth, <, DBUF_HOLD_IMPL_MAX_DEPTH); + dh->dh_parent = NULL; + + ASSERT(dh->dh_blkid != DMU_BONUS_BLKID); + ASSERT(RW_LOCK_HELD(&dh->dh_dn->dn_struct_rwlock)); + ASSERT3U(dh->dh_dn->dn_nlevels, >, dh->dh_level); + + *(dh->dh_dbp) = NULL; +top: + /* dbuf_find() returns with db_mtx held */ + dh->dh_db = dbuf_find(dh->dh_dn->dn_objset, dh->dh_dn->dn_object, + dh->dh_level, dh->dh_blkid); + + if (dh->dh_db == NULL) { + dh->dh_bp = NULL; + + ASSERT3P(dh->dh_parent, ==, NULL); + dh->dh_err = dbuf_findbp(dh->dh_dn, dh->dh_level, dh->dh_blkid, + dh->dh_fail_sparse, &dh->dh_parent, + &dh->dh_bp, dh); + if (dh->dh_fail_sparse) { + if (dh->dh_err == 0 && + dh->dh_bp && BP_IS_HOLE(dh->dh_bp)) + dh->dh_err = SET_ERROR(ENOENT); + if (dh->dh_err) { + if (dh->dh_parent) + dbuf_rele(dh->dh_parent, NULL); + return (dh->dh_err); + } + } + if (dh->dh_err && dh->dh_err != ENOENT) + return (dh->dh_err); + dh->dh_db = dbuf_create(dh->dh_dn, dh->dh_level, dh->dh_blkid, + dh->dh_parent, dh->dh_bp); + } + + if (dh->dh_db->db_buf && refcount_is_zero(&dh->dh_db->db_holds)) { + arc_buf_add_ref(dh->dh_db->db_buf, dh->dh_db); + if (dh->dh_db->db_buf->b_data == NULL) { + dbuf_clear(dh->dh_db); + if (dh->dh_parent) { + dbuf_rele(dh->dh_parent, NULL); + dh->dh_parent = NULL; + } + goto top; + } + ASSERT3P(dh->dh_db->db.db_data, ==, dh->dh_db->db_buf->b_data); + } + + ASSERT(dh->dh_db->db_buf == NULL || arc_referenced(dh->dh_db->db_buf)); + + /* + * If this buffer is currently syncing out, and we are are + * still referencing it from db_data, we need to make a copy + * of it in case we decide we want to dirty it again in this txg. + */ + if (dh->dh_db->db_level == 0 && + dh->dh_db->db_blkid != DMU_BONUS_BLKID && + dh->dh_dn->dn_object != DMU_META_DNODE_OBJECT && + dh->dh_db->db_state == DB_CACHED && dh->dh_db->db_data_pending) { + dh->dh_dr = dh->dh_db->db_data_pending; + + if (dh->dh_dr->dt.dl.dr_data == dh->dh_db->db_buf) { + dh->dh_type = DBUF_GET_BUFC_TYPE(dh->dh_db); + + dbuf_set_data(dh->dh_db, + arc_buf_alloc(dh->dh_dn->dn_objset->os_spa, + dh->dh_db->db.db_size, dh->dh_db, dh->dh_type)); + bcopy(dh->dh_dr->dt.dl.dr_data->b_data, + dh->dh_db->db.db_data, dh->dh_db->db.db_size); + } + } + + (void) refcount_add(&dh->dh_db->db_holds, dh->dh_tag); + DBUF_VERIFY(dh->dh_db); + mutex_exit(&dh->dh_db->db_mtx); + + /* NOTE: we can't rele the parent until after we drop the db_mtx */ + if (dh->dh_parent) + dbuf_rele(dh->dh_parent, NULL); + + ASSERT3P(DB_DNODE(dh->dh_db), ==, dh->dh_dn); + ASSERT3U(dh->dh_db->db_blkid, ==, dh->dh_blkid); + ASSERT3U(dh->dh_db->db_level, ==, dh->dh_level); + *(dh->dh_dbp) = dh->dh_db; + + return (0); +} + +/* + * The following code preserves the recursive function dbuf_hold_impl() + * but moves the local variables AND function arguments to the heap to + * minimize the stack frame size. Enough space is initially allocated + * on the stack for 20 levels of recursion. + */ +int +dbuf_hold_impl(dnode_t *dn, uint8_t level, uint64_t blkid, int fail_sparse, + void *tag, dmu_buf_impl_t **dbp) +{ + struct dbuf_hold_impl_data *dh; + int error; + + dh = kmem_zalloc(sizeof (struct dbuf_hold_impl_data) * + DBUF_HOLD_IMPL_MAX_DEPTH, KM_SLEEP); + __dbuf_hold_impl_init(dh, dn, level, blkid, fail_sparse, tag, dbp, 0); + + error = __dbuf_hold_impl(dh); + + kmem_free(dh, sizeof (struct dbuf_hold_impl_data) * + DBUF_HOLD_IMPL_MAX_DEPTH); + + return (error); +} + +static void +__dbuf_hold_impl_init(struct dbuf_hold_impl_data *dh, + dnode_t *dn, uint8_t level, uint64_t blkid, int fail_sparse, + void *tag, dmu_buf_impl_t **dbp, int depth) +{ + dh->dh_dn = dn; + dh->dh_level = level; + dh->dh_blkid = blkid; + dh->dh_fail_sparse = fail_sparse; + dh->dh_tag = tag; + dh->dh_dbp = dbp; + dh->dh_depth = depth; +} + +dmu_buf_impl_t * +dbuf_hold(dnode_t *dn, uint64_t blkid, void *tag) +{ + dmu_buf_impl_t *db; + int err = dbuf_hold_impl(dn, 0, blkid, FALSE, tag, &db); + return (err ? NULL : db); +} + +dmu_buf_impl_t * +dbuf_hold_level(dnode_t *dn, int level, uint64_t blkid, void *tag) +{ + dmu_buf_impl_t *db; + int err = dbuf_hold_impl(dn, level, blkid, FALSE, tag, &db); + return (err ? NULL : db); +} + +void +dbuf_create_bonus(dnode_t *dn) +{ + ASSERT(RW_WRITE_HELD(&dn->dn_struct_rwlock)); + + ASSERT(dn->dn_bonus == NULL); + dn->dn_bonus = dbuf_create(dn, 0, DMU_BONUS_BLKID, dn->dn_dbuf, NULL); +} + +int +dbuf_spill_set_blksz(dmu_buf_t *db_fake, uint64_t blksz, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + dnode_t *dn; + + if (db->db_blkid != DMU_SPILL_BLKID) + return (SET_ERROR(ENOTSUP)); + if (blksz == 0) + blksz = SPA_MINBLOCKSIZE; + ASSERT3U(blksz, <=, spa_maxblocksize(dmu_objset_spa(db->db_objset))); + blksz = P2ROUNDUP(blksz, SPA_MINBLOCKSIZE); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + dbuf_new_size(db, blksz, tx); + rw_exit(&dn->dn_struct_rwlock); + DB_DNODE_EXIT(db); + + return (0); +} + +void +dbuf_rm_spill(dnode_t *dn, dmu_tx_t *tx) +{ + dbuf_free_range(dn, DMU_SPILL_BLKID, DMU_SPILL_BLKID, tx); +} + +#pragma weak dmu_buf_add_ref = dbuf_add_ref +void +dbuf_add_ref(dmu_buf_impl_t *db, void *tag) +{ + VERIFY(refcount_add(&db->db_holds, tag) > 1); +} + +#pragma weak dmu_buf_try_add_ref = dbuf_try_add_ref +boolean_t +dbuf_try_add_ref(dmu_buf_t *db_fake, objset_t *os, uint64_t obj, uint64_t blkid, + void *tag) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + dmu_buf_impl_t *found_db; + boolean_t result = B_FALSE; + + if (blkid == DMU_BONUS_BLKID) + found_db = dbuf_find_bonus(os, obj); + else + found_db = dbuf_find(os, obj, 0, blkid); + + if (found_db != NULL) { + if (db == found_db && dbuf_refcount(db) > db->db_dirtycnt) { + (void) refcount_add(&db->db_holds, tag); + result = B_TRUE; + } + mutex_exit(&found_db->db_mtx); + } + return (result); +} + +/* + * If you call dbuf_rele() you had better not be referencing the dnode handle + * unless you have some other direct or indirect hold on the dnode. (An indirect + * hold is a hold on one of the dnode's dbufs, including the bonus buffer.) + * Without that, the dbuf_rele() could lead to a dnode_rele() followed by the + * dnode's parent dbuf evicting its dnode handles. + */ +void +dbuf_rele(dmu_buf_impl_t *db, void *tag) +{ + mutex_enter(&db->db_mtx); + dbuf_rele_and_unlock(db, tag); +} + +void +dmu_buf_rele(dmu_buf_t *db, void *tag) +{ + dbuf_rele((dmu_buf_impl_t *)db, tag); +} + +/* + * dbuf_rele() for an already-locked dbuf. This is necessary to allow + * db_dirtycnt and db_holds to be updated atomically. + */ +void +dbuf_rele_and_unlock(dmu_buf_impl_t *db, void *tag) +{ + int64_t holds; + + ASSERT(MUTEX_HELD(&db->db_mtx)); + DBUF_VERIFY(db); + + /* + * Remove the reference to the dbuf before removing its hold on the + * dnode so we can guarantee in dnode_move() that a referenced bonus + * buffer has a corresponding dnode hold. + */ + holds = refcount_remove(&db->db_holds, tag); + ASSERT(holds >= 0); + + /* + * We can't freeze indirects if there is a possibility that they + * may be modified in the current syncing context. + */ + if (db->db_buf && holds == (db->db_level == 0 ? db->db_dirtycnt : 0)) + arc_buf_freeze(db->db_buf); + + if (holds == db->db_dirtycnt && + db->db_level == 0 && db->db_user_immediate_evict) + dbuf_evict_user(db); + + if (holds == 0) { + if (db->db_blkid == DMU_BONUS_BLKID) { + dnode_t *dn; + boolean_t evict_dbuf = db->db_pending_evict; + + /* + * If the dnode moves here, we cannot cross this + * barrier until the move completes. + */ + DB_DNODE_ENTER(db); + + dn = DB_DNODE(db); + atomic_dec_32(&dn->dn_dbufs_count); + + /* + * Decrementing the dbuf count means that the bonus + * buffer's dnode hold is no longer discounted in + * dnode_move(). The dnode cannot move until after + * the dnode_rele() below. + */ + DB_DNODE_EXIT(db); + + /* + * Do not reference db after its lock is dropped. + * Another thread may evict it. + */ + mutex_exit(&db->db_mtx); + + if (evict_dbuf) + dnode_evict_bonus(dn); + + dnode_rele(dn, db); + } else if (db->db_buf == NULL) { + /* + * This is a special case: we never associated this + * dbuf with any data allocated from the ARC. + */ + ASSERT(db->db_state == DB_UNCACHED || + db->db_state == DB_NOFILL); + dbuf_evict(db); + } else if (arc_released(db->db_buf)) { + arc_buf_t *buf = db->db_buf; + /* + * This dbuf has anonymous data associated with it. + */ + dbuf_clear_data(db); + VERIFY(arc_buf_remove_ref(buf, db)); + dbuf_evict(db); + } else { + VERIFY(!arc_buf_remove_ref(db->db_buf, db)); + + /* + * A dbuf will be eligible for eviction if either the + * 'primarycache' property is set or a duplicate + * copy of this buffer is already cached in the arc. + * + * In the case of the 'primarycache' a buffer + * is considered for eviction if it matches the + * criteria set in the property. + * + * To decide if our buffer is considered a + * duplicate, we must call into the arc to determine + * if multiple buffers are referencing the same + * block on-disk. If so, then we simply evict + * ourselves. + */ + if (!DBUF_IS_CACHEABLE(db)) { + if (db->db_blkptr != NULL && + !BP_IS_HOLE(db->db_blkptr) && + !BP_IS_EMBEDDED(db->db_blkptr)) { + spa_t *spa = + dmu_objset_spa(db->db_objset); + blkptr_t bp = *db->db_blkptr; + dbuf_clear(db); + arc_freed(spa, &bp); + } else { + dbuf_clear(db); + } + } else if (db->db_pending_evict || + arc_buf_eviction_needed(db->db_buf)) { + dbuf_clear(db); + } else { + mutex_exit(&db->db_mtx); + } + } + } else { + mutex_exit(&db->db_mtx); + } +} + +#pragma weak dmu_buf_refcount = dbuf_refcount +uint64_t +dbuf_refcount(dmu_buf_impl_t *db) +{ + return (refcount_count(&db->db_holds)); +} + +void * +dmu_buf_replace_user(dmu_buf_t *db_fake, dmu_buf_user_t *old_user, + dmu_buf_user_t *new_user) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + + mutex_enter(&db->db_mtx); + dbuf_verify_user(db, DBVU_NOT_EVICTING); + if (db->db_user == old_user) + db->db_user = new_user; + else + old_user = db->db_user; + dbuf_verify_user(db, DBVU_NOT_EVICTING); + mutex_exit(&db->db_mtx); + + return (old_user); +} + +void * +dmu_buf_set_user(dmu_buf_t *db_fake, dmu_buf_user_t *user) +{ + return (dmu_buf_replace_user(db_fake, NULL, user)); +} + +void * +dmu_buf_set_user_ie(dmu_buf_t *db_fake, dmu_buf_user_t *user) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + + db->db_user_immediate_evict = TRUE; + return (dmu_buf_set_user(db_fake, user)); +} + +void * +dmu_buf_remove_user(dmu_buf_t *db_fake, dmu_buf_user_t *user) +{ + return (dmu_buf_replace_user(db_fake, user, NULL)); +} + +void * +dmu_buf_get_user(dmu_buf_t *db_fake) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + + dbuf_verify_user(db, DBVU_NOT_EVICTING); + return (db->db_user); +} + +void +dmu_buf_user_evict_wait() +{ + taskq_wait(dbu_evict_taskq); +} + +boolean_t +dmu_buf_freeable(dmu_buf_t *dbuf) +{ + boolean_t res = B_FALSE; + dmu_buf_impl_t *db = (dmu_buf_impl_t *)dbuf; + + if (db->db_blkptr) + res = dsl_dataset_block_freeable(db->db_objset->os_dsl_dataset, + db->db_blkptr, db->db_blkptr->blk_birth); + + return (res); +} + +blkptr_t * +dmu_buf_get_blkptr(dmu_buf_t *db) +{ + dmu_buf_impl_t *dbi = (dmu_buf_impl_t *)db; + return (dbi->db_blkptr); +} + +static void +dbuf_check_blkptr(dnode_t *dn, dmu_buf_impl_t *db) +{ + /* ASSERT(dmu_tx_is_syncing(tx) */ + ASSERT(MUTEX_HELD(&db->db_mtx)); + + if (db->db_blkptr != NULL) + return; + + if (db->db_blkid == DMU_SPILL_BLKID) { + db->db_blkptr = &dn->dn_phys->dn_spill; + BP_ZERO(db->db_blkptr); + return; + } + if (db->db_level == dn->dn_phys->dn_nlevels-1) { + /* + * This buffer was allocated at a time when there was + * no available blkptrs from the dnode, or it was + * inappropriate to hook it in (i.e., nlevels mis-match). + */ + ASSERT(db->db_blkid < dn->dn_phys->dn_nblkptr); + ASSERT(db->db_parent == NULL); + db->db_parent = dn->dn_dbuf; + db->db_blkptr = &dn->dn_phys->dn_blkptr[db->db_blkid]; + DBUF_VERIFY(db); + } else { + dmu_buf_impl_t *parent = db->db_parent; + int epbs = dn->dn_phys->dn_indblkshift - SPA_BLKPTRSHIFT; + + ASSERT(dn->dn_phys->dn_nlevels > 1); + if (parent == NULL) { + mutex_exit(&db->db_mtx); + rw_enter(&dn->dn_struct_rwlock, RW_READER); + (void) dbuf_hold_impl(dn, db->db_level+1, + db->db_blkid >> epbs, FALSE, db, &parent); + rw_exit(&dn->dn_struct_rwlock); + mutex_enter(&db->db_mtx); + db->db_parent = parent; + } + db->db_blkptr = (blkptr_t *)parent->db.db_data + + (db->db_blkid & ((1ULL << epbs) - 1)); + DBUF_VERIFY(db); + } +} + +/* + * dbuf_sync_indirect() is called recursively from dbuf_sync_list() so it + * is critical the we not allow the compiler to inline this function in to + * dbuf_sync_list() thereby drastically bloating the stack usage. + */ +noinline static void +dbuf_sync_indirect(dbuf_dirty_record_t *dr, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = dr->dr_dbuf; + dnode_t *dn; + zio_t *zio; + + ASSERT(dmu_tx_is_syncing(tx)); + + dprintf_dbuf_bp(db, db->db_blkptr, "blkptr=%p", db->db_blkptr); + + mutex_enter(&db->db_mtx); + + ASSERT(db->db_level > 0); + DBUF_VERIFY(db); + + /* Read the block if it hasn't been read yet. */ + if (db->db_buf == NULL) { + mutex_exit(&db->db_mtx); + (void) dbuf_read(db, NULL, DB_RF_MUST_SUCCEED); + mutex_enter(&db->db_mtx); + } + ASSERT3U(db->db_state, ==, DB_CACHED); + ASSERT(db->db_buf != NULL); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + /* Indirect block size must match what the dnode thinks it is. */ + ASSERT3U(db->db.db_size, ==, 1<dn_phys->dn_indblkshift); + dbuf_check_blkptr(dn, db); + DB_DNODE_EXIT(db); + + /* Provide the pending dirty record to child dbufs */ + db->db_data_pending = dr; + + mutex_exit(&db->db_mtx); + dbuf_write(dr, db->db_buf, tx); + + zio = dr->dr_zio; + mutex_enter(&dr->dt.di.dr_mtx); + dbuf_sync_list(&dr->dt.di.dr_children, db->db_level - 1, tx); + ASSERT(list_head(&dr->dt.di.dr_children) == NULL); + mutex_exit(&dr->dt.di.dr_mtx); + zio_nowait(zio); +} + +/* + * dbuf_sync_leaf() is called recursively from dbuf_sync_list() so it is + * critical the we not allow the compiler to inline this function in to + * dbuf_sync_list() thereby drastically bloating the stack usage. + */ +noinline static void +dbuf_sync_leaf(dbuf_dirty_record_t *dr, dmu_tx_t *tx) +{ + arc_buf_t **datap = &dr->dt.dl.dr_data; + dmu_buf_impl_t *db = dr->dr_dbuf; + dnode_t *dn; + objset_t *os; + uint64_t txg = tx->tx_txg; + + ASSERT(dmu_tx_is_syncing(tx)); + + dprintf_dbuf_bp(db, db->db_blkptr, "blkptr=%p", db->db_blkptr); + + mutex_enter(&db->db_mtx); + /* + * To be synced, we must be dirtied. But we + * might have been freed after the dirty. + */ + if (db->db_state == DB_UNCACHED) { + /* This buffer has been freed since it was dirtied */ + ASSERT(db->db.db_data == NULL); + } else if (db->db_state == DB_FILL) { + /* This buffer was freed and is now being re-filled */ + ASSERT(db->db.db_data != dr->dt.dl.dr_data); + } else { + ASSERT(db->db_state == DB_CACHED || db->db_state == DB_NOFILL); + } + DBUF_VERIFY(db); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + + if (db->db_blkid == DMU_SPILL_BLKID) { + mutex_enter(&dn->dn_mtx); + if (!(dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR)) { + /* + * In the previous transaction group, the bonus buffer + * was entirely used to store the attributes for the + * dnode which overrode the dn_spill field. However, + * when adding more attributes to the file a spill + * block was required to hold the extra attributes. + * + * Make sure to clear the garbage left in the dn_spill + * field from the previous attributes in the bonus + * buffer. Otherwise, after writing out the spill + * block to the new allocated dva, it will free + * the old block pointed to by the invalid dn_spill. + */ + db->db_blkptr = NULL; + } + dn->dn_phys->dn_flags |= DNODE_FLAG_SPILL_BLKPTR; + mutex_exit(&dn->dn_mtx); + } + + /* + * If this is a bonus buffer, simply copy the bonus data into the + * dnode. It will be written out when the dnode is synced (and it + * will be synced, since it must have been dirty for dbuf_sync to + * be called). + */ + if (db->db_blkid == DMU_BONUS_BLKID) { + dbuf_dirty_record_t **drp; + + ASSERT(*datap != NULL); + ASSERT0(db->db_level); + ASSERT3U(dn->dn_phys->dn_bonuslen, <=, DN_MAX_BONUSLEN); + bcopy(*datap, DN_BONUS(dn->dn_phys), dn->dn_phys->dn_bonuslen); + DB_DNODE_EXIT(db); + + if (*datap != db->db.db_data) { + zio_buf_free(*datap, DN_MAX_BONUSLEN); + arc_space_return(DN_MAX_BONUSLEN, ARC_SPACE_OTHER); + } + db->db_data_pending = NULL; + drp = &db->db_last_dirty; + while (*drp != dr) + drp = &(*drp)->dr_next; + ASSERT(dr->dr_next == NULL); + ASSERT(dr->dr_dbuf == db); + *drp = dr->dr_next; + if (dr->dr_dbuf->db_level != 0) { + mutex_destroy(&dr->dt.di.dr_mtx); + list_destroy(&dr->dt.di.dr_children); + } + kmem_free(dr, sizeof (dbuf_dirty_record_t)); + ASSERT(db->db_dirtycnt > 0); + db->db_dirtycnt -= 1; + dbuf_rele_and_unlock(db, (void *)(uintptr_t)txg); + return; + } + + os = dn->dn_objset; + + /* + * This function may have dropped the db_mtx lock allowing a dmu_sync + * operation to sneak in. As a result, we need to ensure that we + * don't check the dr_override_state until we have returned from + * dbuf_check_blkptr. + */ + dbuf_check_blkptr(dn, db); + + /* + * If this buffer is in the middle of an immediate write, + * wait for the synchronous IO to complete. + */ + while (dr->dt.dl.dr_override_state == DR_IN_DMU_SYNC) { + ASSERT(dn->dn_object != DMU_META_DNODE_OBJECT); + cv_wait(&db->db_changed, &db->db_mtx); + ASSERT(dr->dt.dl.dr_override_state != DR_NOT_OVERRIDDEN); + } + + if (db->db_state != DB_NOFILL && + dn->dn_object != DMU_META_DNODE_OBJECT && + refcount_count(&db->db_holds) > 1 && + dr->dt.dl.dr_override_state != DR_OVERRIDDEN && + *datap == db->db_buf) { + /* + * If this buffer is currently "in use" (i.e., there + * are active holds and db_data still references it), + * then make a copy before we start the write so that + * any modifications from the open txg will not leak + * into this write. + * + * NOTE: this copy does not need to be made for + * objects only modified in the syncing context (e.g. + * DNONE_DNODE blocks). + */ + int blksz = arc_buf_size(*datap); + arc_buf_contents_t type = DBUF_GET_BUFC_TYPE(db); + *datap = arc_buf_alloc(os->os_spa, blksz, db, type); + bcopy(db->db.db_data, (*datap)->b_data, blksz); + } + db->db_data_pending = dr; + + mutex_exit(&db->db_mtx); + + dbuf_write(dr, *datap, tx); + + ASSERT(!list_link_active(&dr->dr_dirty_node)); + if (dn->dn_object == DMU_META_DNODE_OBJECT) { + list_insert_tail(&dn->dn_dirty_records[txg&TXG_MASK], dr); + DB_DNODE_EXIT(db); + } else { + /* + * Although zio_nowait() does not "wait for an IO", it does + * initiate the IO. If this is an empty write it seems plausible + * that the IO could actually be completed before the nowait + * returns. We need to DB_DNODE_EXIT() first in case + * zio_nowait() invalidates the dbuf. + */ + DB_DNODE_EXIT(db); + zio_nowait(dr->dr_zio); + } +} + +void +dbuf_sync_list(list_t *list, int level, dmu_tx_t *tx) +{ + dbuf_dirty_record_t *dr; + + while ((dr = list_head(list))) { + if (dr->dr_zio != NULL) { + /* + * If we find an already initialized zio then we + * are processing the meta-dnode, and we have finished. + * The dbufs for all dnodes are put back on the list + * during processing, so that we can zio_wait() + * these IOs after initiating all child IOs. + */ + ASSERT3U(dr->dr_dbuf->db.db_object, ==, + DMU_META_DNODE_OBJECT); + break; + } + if (dr->dr_dbuf->db_blkid != DMU_BONUS_BLKID && + dr->dr_dbuf->db_blkid != DMU_SPILL_BLKID) { + VERIFY3U(dr->dr_dbuf->db_level, ==, level); + } + list_remove(list, dr); + if (dr->dr_dbuf->db_level > 0) + dbuf_sync_indirect(dr, tx); + else + dbuf_sync_leaf(dr, tx); + } +} + +/* ARGSUSED */ +static void +dbuf_write_ready(zio_t *zio, arc_buf_t *buf, void *vdb) +{ + dmu_buf_impl_t *db = vdb; + dnode_t *dn; + blkptr_t *bp = zio->io_bp; + blkptr_t *bp_orig = &zio->io_bp_orig; + spa_t *spa = zio->io_spa; + int64_t delta; + uint64_t fill = 0; + int i; + + ASSERT3P(db->db_blkptr, ==, bp); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + delta = bp_get_dsize_sync(spa, bp) - bp_get_dsize_sync(spa, bp_orig); + dnode_diduse_space(dn, delta - zio->io_prev_space_delta); + zio->io_prev_space_delta = delta; + + if (bp->blk_birth != 0) { + ASSERT((db->db_blkid != DMU_SPILL_BLKID && + BP_GET_TYPE(bp) == dn->dn_type) || + (db->db_blkid == DMU_SPILL_BLKID && + BP_GET_TYPE(bp) == dn->dn_bonustype) || + BP_IS_EMBEDDED(bp)); + ASSERT(BP_GET_LEVEL(bp) == db->db_level); + } + + mutex_enter(&db->db_mtx); + +#ifdef ZFS_DEBUG + if (db->db_blkid == DMU_SPILL_BLKID) { + ASSERT(dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR); + ASSERT(!(BP_IS_HOLE(db->db_blkptr)) && + db->db_blkptr == &dn->dn_phys->dn_spill); + } +#endif + + if (db->db_level == 0) { + mutex_enter(&dn->dn_mtx); + if (db->db_blkid > dn->dn_phys->dn_maxblkid && + db->db_blkid != DMU_SPILL_BLKID) + dn->dn_phys->dn_maxblkid = db->db_blkid; + mutex_exit(&dn->dn_mtx); + + if (dn->dn_type == DMU_OT_DNODE) { + dnode_phys_t *dnp = db->db.db_data; + for (i = db->db.db_size >> DNODE_SHIFT; i > 0; + i--, dnp++) { + if (dnp->dn_type != DMU_OT_NONE) + fill++; + } + } else { + if (BP_IS_HOLE(bp)) { + fill = 0; + } else { + fill = 1; + } + } + } else { + blkptr_t *ibp = db->db.db_data; + ASSERT3U(db->db.db_size, ==, 1<dn_phys->dn_indblkshift); + for (i = db->db.db_size >> SPA_BLKPTRSHIFT; i > 0; i--, ibp++) { + if (BP_IS_HOLE(ibp)) + continue; + fill += BP_GET_FILL(ibp); + } + } + DB_DNODE_EXIT(db); + + if (!BP_IS_EMBEDDED(bp)) + bp->blk_fill = fill; + + mutex_exit(&db->db_mtx); +} + +/* + * The SPA will call this callback several times for each zio - once + * for every physical child i/o (zio->io_phys_children times). This + * allows the DMU to monitor the progress of each logical i/o. For example, + * there may be 2 copies of an indirect block, or many fragments of a RAID-Z + * block. There may be a long delay before all copies/fragments are completed, + * so this callback allows us to retire dirty space gradually, as the physical + * i/os complete. + */ +/* ARGSUSED */ +static void +dbuf_write_physdone(zio_t *zio, arc_buf_t *buf, void *arg) +{ + dmu_buf_impl_t *db = arg; + objset_t *os = db->db_objset; + dsl_pool_t *dp = dmu_objset_pool(os); + dbuf_dirty_record_t *dr; + int delta = 0; + + dr = db->db_data_pending; + ASSERT3U(dr->dr_txg, ==, zio->io_txg); + + /* + * The callback will be called io_phys_children times. Retire one + * portion of our dirty space each time we are called. Any rounding + * error will be cleaned up by dsl_pool_sync()'s call to + * dsl_pool_undirty_space(). + */ + delta = dr->dr_accounted / zio->io_phys_children; + dsl_pool_undirty_space(dp, delta, zio->io_txg); +} + +/* ARGSUSED */ +static void +dbuf_write_done(zio_t *zio, arc_buf_t *buf, void *vdb) +{ + dmu_buf_impl_t *db = vdb; + blkptr_t *bp_orig = &zio->io_bp_orig; + blkptr_t *bp = db->db_blkptr; + objset_t *os = db->db_objset; + dmu_tx_t *tx = os->os_synctx; + dbuf_dirty_record_t **drp, *dr; + + ASSERT0(zio->io_error); + ASSERT(db->db_blkptr == bp); + + /* + * For nopwrites and rewrites we ensure that the bp matches our + * original and bypass all the accounting. + */ + if (zio->io_flags & (ZIO_FLAG_IO_REWRITE | ZIO_FLAG_NOPWRITE)) { + ASSERT(BP_EQUAL(bp, bp_orig)); + } else { + dsl_dataset_t *ds = os->os_dsl_dataset; + (void) dsl_dataset_block_kill(ds, bp_orig, tx, B_TRUE); + dsl_dataset_block_born(ds, bp, tx); + } + + mutex_enter(&db->db_mtx); + + DBUF_VERIFY(db); + + drp = &db->db_last_dirty; + while ((dr = *drp) != db->db_data_pending) + drp = &dr->dr_next; + ASSERT(!list_link_active(&dr->dr_dirty_node)); + ASSERT(dr->dr_dbuf == db); + ASSERT(dr->dr_next == NULL); + *drp = dr->dr_next; + +#ifdef ZFS_DEBUG + if (db->db_blkid == DMU_SPILL_BLKID) { + dnode_t *dn; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + ASSERT(dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR); + ASSERT(!(BP_IS_HOLE(db->db_blkptr)) && + db->db_blkptr == &dn->dn_phys->dn_spill); + DB_DNODE_EXIT(db); + } +#endif + + if (db->db_level == 0) { + ASSERT(db->db_blkid != DMU_BONUS_BLKID); + ASSERT(dr->dt.dl.dr_override_state == DR_NOT_OVERRIDDEN); + if (db->db_state != DB_NOFILL) { + if (dr->dt.dl.dr_data != db->db_buf) + VERIFY(arc_buf_remove_ref(dr->dt.dl.dr_data, + db)); + else if (!arc_released(db->db_buf)) + arc_set_callback(db->db_buf, dbuf_do_evict, db); + } + } else { + dnode_t *dn; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + ASSERT(list_head(&dr->dt.di.dr_children) == NULL); + ASSERT3U(db->db.db_size, ==, 1 << dn->dn_phys->dn_indblkshift); + if (!BP_IS_HOLE(db->db_blkptr)) { + ASSERTV(int epbs = dn->dn_phys->dn_indblkshift - + SPA_BLKPTRSHIFT); + ASSERT3U(db->db_blkid, <=, + dn->dn_phys->dn_maxblkid >> (db->db_level * epbs)); + ASSERT3U(BP_GET_LSIZE(db->db_blkptr), ==, + db->db.db_size); + if (!arc_released(db->db_buf)) + arc_set_callback(db->db_buf, dbuf_do_evict, db); + } + DB_DNODE_EXIT(db); + mutex_destroy(&dr->dt.di.dr_mtx); + list_destroy(&dr->dt.di.dr_children); + } + kmem_free(dr, sizeof (dbuf_dirty_record_t)); + + cv_broadcast(&db->db_changed); + ASSERT(db->db_dirtycnt > 0); + db->db_dirtycnt -= 1; + db->db_data_pending = NULL; + dbuf_rele_and_unlock(db, (void *)(uintptr_t)tx->tx_txg); +} + +static void +dbuf_write_nofill_ready(zio_t *zio) +{ + dbuf_write_ready(zio, NULL, zio->io_private); +} + +static void +dbuf_write_nofill_done(zio_t *zio) +{ + dbuf_write_done(zio, NULL, zio->io_private); +} + +static void +dbuf_write_override_ready(zio_t *zio) +{ + dbuf_dirty_record_t *dr = zio->io_private; + dmu_buf_impl_t *db = dr->dr_dbuf; + + dbuf_write_ready(zio, NULL, db); +} + +static void +dbuf_write_override_done(zio_t *zio) +{ + dbuf_dirty_record_t *dr = zio->io_private; + dmu_buf_impl_t *db = dr->dr_dbuf; + blkptr_t *obp = &dr->dt.dl.dr_overridden_by; + + mutex_enter(&db->db_mtx); + if (!BP_EQUAL(zio->io_bp, obp)) { + if (!BP_IS_HOLE(obp)) + dsl_free(spa_get_dsl(zio->io_spa), zio->io_txg, obp); + arc_release(dr->dt.dl.dr_data, db); + } + mutex_exit(&db->db_mtx); + + dbuf_write_done(zio, NULL, db); +} + +/* Issue I/O to commit a dirty buffer to disk. */ +static void +dbuf_write(dbuf_dirty_record_t *dr, arc_buf_t *data, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = dr->dr_dbuf; + dnode_t *dn; + objset_t *os; + dmu_buf_impl_t *parent = db->db_parent; + uint64_t txg = tx->tx_txg; + zbookmark_phys_t zb; + zio_prop_t zp; + zio_t *zio; + int wp_flag = 0; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + os = dn->dn_objset; + + if (db->db_state != DB_NOFILL) { + if (db->db_level > 0 || dn->dn_type == DMU_OT_DNODE) { + /* + * Private object buffers are released here rather + * than in dbuf_dirty() since they are only modified + * in the syncing context and we don't want the + * overhead of making multiple copies of the data. + */ + if (BP_IS_HOLE(db->db_blkptr)) { + arc_buf_thaw(data); + } else { + dbuf_release_bp(db); + } + } + } + + if (parent != dn->dn_dbuf) { + /* Our parent is an indirect block. */ + /* We have a dirty parent that has been scheduled for write. */ + ASSERT(parent && parent->db_data_pending); + /* Our parent's buffer is one level closer to the dnode. */ + ASSERT(db->db_level == parent->db_level-1); + /* + * We're about to modify our parent's db_data by modifying + * our block pointer, so the parent must be released. + */ + ASSERT(arc_released(parent->db_buf)); + zio = parent->db_data_pending->dr_zio; + } else { + /* Our parent is the dnode itself. */ + ASSERT((db->db_level == dn->dn_phys->dn_nlevels-1 && + db->db_blkid != DMU_SPILL_BLKID) || + (db->db_blkid == DMU_SPILL_BLKID && db->db_level == 0)); + if (db->db_blkid != DMU_SPILL_BLKID) + ASSERT3P(db->db_blkptr, ==, + &dn->dn_phys->dn_blkptr[db->db_blkid]); + zio = dn->dn_zio; + } + + ASSERT(db->db_level == 0 || data == db->db_buf); + ASSERT3U(db->db_blkptr->blk_birth, <=, txg); + ASSERT(zio); + + SET_BOOKMARK(&zb, os->os_dsl_dataset ? + os->os_dsl_dataset->ds_object : DMU_META_OBJSET, + db->db.db_object, db->db_level, db->db_blkid); + + if (db->db_blkid == DMU_SPILL_BLKID) + wp_flag = WP_SPILL; + wp_flag |= (db->db_state == DB_NOFILL) ? WP_NOFILL : 0; + + dmu_write_policy(os, dn, db->db_level, wp_flag, &zp); + DB_DNODE_EXIT(db); + + if (db->db_level == 0 && + dr->dt.dl.dr_override_state == DR_OVERRIDDEN) { + /* + * The BP for this block has been provided by open context + * (by dmu_sync() or dmu_buf_write_embedded()). + */ + void *contents = (data != NULL) ? data->b_data : NULL; + + dr->dr_zio = zio_write(zio, os->os_spa, txg, + db->db_blkptr, contents, db->db.db_size, &zp, + dbuf_write_override_ready, NULL, dbuf_write_override_done, + dr, ZIO_PRIORITY_ASYNC_WRITE, ZIO_FLAG_MUSTSUCCEED, &zb); + mutex_enter(&db->db_mtx); + dr->dt.dl.dr_override_state = DR_NOT_OVERRIDDEN; + zio_write_override(dr->dr_zio, &dr->dt.dl.dr_overridden_by, + dr->dt.dl.dr_copies, dr->dt.dl.dr_nopwrite); + mutex_exit(&db->db_mtx); + } else if (db->db_state == DB_NOFILL) { + ASSERT(zp.zp_checksum == ZIO_CHECKSUM_OFF); + dr->dr_zio = zio_write(zio, os->os_spa, txg, + db->db_blkptr, NULL, db->db.db_size, &zp, + dbuf_write_nofill_ready, NULL, dbuf_write_nofill_done, db, + ZIO_PRIORITY_ASYNC_WRITE, + ZIO_FLAG_MUSTSUCCEED | ZIO_FLAG_NODATA, &zb); + } else { + ASSERT(arc_released(data)); + dr->dr_zio = arc_write(zio, os->os_spa, txg, + db->db_blkptr, data, DBUF_IS_L2CACHEABLE(db), + DBUF_IS_L2COMPRESSIBLE(db), &zp, dbuf_write_ready, + dbuf_write_physdone, dbuf_write_done, db, + ZIO_PRIORITY_ASYNC_WRITE, ZIO_FLAG_MUSTSUCCEED, &zb); + } +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dbuf_find); +EXPORT_SYMBOL(dbuf_is_metadata); +EXPORT_SYMBOL(dbuf_evict); +EXPORT_SYMBOL(dbuf_loan_arcbuf); +EXPORT_SYMBOL(dbuf_whichblock); +EXPORT_SYMBOL(dbuf_read); +EXPORT_SYMBOL(dbuf_unoverride); +EXPORT_SYMBOL(dbuf_free_range); +EXPORT_SYMBOL(dbuf_new_size); +EXPORT_SYMBOL(dbuf_release_bp); +EXPORT_SYMBOL(dbuf_dirty); +EXPORT_SYMBOL(dmu_buf_will_dirty); +EXPORT_SYMBOL(dmu_buf_will_not_fill); +EXPORT_SYMBOL(dmu_buf_will_fill); +EXPORT_SYMBOL(dmu_buf_fill_done); +EXPORT_SYMBOL(dmu_buf_rele); +EXPORT_SYMBOL(dbuf_assign_arcbuf); +EXPORT_SYMBOL(dbuf_clear); +EXPORT_SYMBOL(dbuf_prefetch); +EXPORT_SYMBOL(dbuf_hold_impl); +EXPORT_SYMBOL(dbuf_hold); +EXPORT_SYMBOL(dbuf_hold_level); +EXPORT_SYMBOL(dbuf_create_bonus); +EXPORT_SYMBOL(dbuf_spill_set_blksz); +EXPORT_SYMBOL(dbuf_rm_spill); +EXPORT_SYMBOL(dbuf_add_ref); +EXPORT_SYMBOL(dbuf_rele); +EXPORT_SYMBOL(dbuf_rele_and_unlock); +EXPORT_SYMBOL(dbuf_refcount); +EXPORT_SYMBOL(dbuf_sync_list); +EXPORT_SYMBOL(dmu_buf_set_user); +EXPORT_SYMBOL(dmu_buf_set_user_ie); +EXPORT_SYMBOL(dmu_buf_get_user); +EXPORT_SYMBOL(dmu_buf_freeable); +EXPORT_SYMBOL(dmu_buf_get_blkptr); +#endif diff --git a/zfs/module/zfs/dbuf_stats.c b/zfs/module/zfs/dbuf_stats.c new file mode 100644 index 000000000000..6f39f80e563a --- /dev/null +++ b/zfs/module/zfs/dbuf_stats.c @@ -0,0 +1,231 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#include +#include +#include + +/* + * Calculate the index of the arc header for the state, disabled by default. + */ +int zfs_dbuf_state_index = 0; + +/* + * ========================================================================== + * Dbuf Hash Read Routines + * ========================================================================== + */ +typedef struct dbuf_stats_t { + kmutex_t lock; + kstat_t *kstat; + dbuf_hash_table_t *hash; + int idx; +} dbuf_stats_t; + +static dbuf_stats_t dbuf_stats_hash_table; + +static int +dbuf_stats_hash_table_headers(char *buf, size_t size) +{ + (void) snprintf(buf, size, + "%-88s | %-124s | %s\n" + "%-16s %-8s %-8s %-8s %-8s %-8s %-8s %-5s %-5s %5s | " + "%-5s %-5s %-8s %-6s %-8s %-12s " + "%-6s %-6s %-6s %-6s %-6s %-8s %-8s %-8s %-5s | " + "%-6s %-6s %-8s %-8s %-6s %-6s %-5s %-8s %-8s\n", + "dbuf", "arcbuf", "dnode", "pool", "objset", "object", "level", + "blkid", "offset", "dbsize", "meta", "state", "dbholds", "list", + "atype", "flags", "count", "asize", "access", + "mru", "gmru", "mfu", "gmfu", "l2", "l2_dattr", "l2_asize", + "l2_comp", "aholds", "dtype", "btype", "data_bs", "meta_bs", + "bsize", "lvls", "dholds", "blocks", "dsize"); + + return (0); +} + +int +__dbuf_stats_hash_table_data(char *buf, size_t size, dmu_buf_impl_t *db) +{ + arc_buf_info_t abi = { 0 }; + dmu_object_info_t doi = { 0 }; + dnode_t *dn = DB_DNODE(db); + size_t nwritten; + + if (db->db_buf) + arc_buf_info(db->db_buf, &abi, zfs_dbuf_state_index); + + if (dn) + __dmu_object_info_from_dnode(dn, &doi); + + nwritten = snprintf(buf, size, + "%-16s %-8llu %-8lld %-8lld %-8lld %-8llu %-8llu %-5d %-5d %-5lu | " + "%-5d %-5d 0x%-6x %-6lu %-8llu %-12llu " + "%-6lu %-6lu %-6lu %-6lu %-6lu %-8llu %-8llu %-8d %-5lu | " + "%-6d %-6d %-8lu %-8lu %-6llu %-6lu %-5lu %-8llu %-8llu\n", + /* dmu_buf_impl_t */ + spa_name(dn->dn_objset->os_spa), + (u_longlong_t)dmu_objset_id(db->db_objset), + (longlong_t)db->db.db_object, + (longlong_t)db->db_level, + (longlong_t)db->db_blkid, + (u_longlong_t)db->db.db_offset, + (u_longlong_t)db->db.db_size, + !!dbuf_is_metadata(db), + db->db_state, + (ulong_t)refcount_count(&db->db_holds), + /* arc_buf_info_t */ + abi.abi_state_type, + abi.abi_state_contents, + abi.abi_flags, + (ulong_t)abi.abi_datacnt, + (u_longlong_t)abi.abi_size, + (u_longlong_t)abi.abi_access, + (ulong_t)abi.abi_mru_hits, + (ulong_t)abi.abi_mru_ghost_hits, + (ulong_t)abi.abi_mfu_hits, + (ulong_t)abi.abi_mfu_ghost_hits, + (ulong_t)abi.abi_l2arc_hits, + (u_longlong_t)abi.abi_l2arc_dattr, + (u_longlong_t)abi.abi_l2arc_asize, + abi.abi_l2arc_compress, + (ulong_t)abi.abi_holds, + /* dmu_object_info_t */ + doi.doi_type, + doi.doi_bonus_type, + (ulong_t)doi.doi_data_block_size, + (ulong_t)doi.doi_metadata_block_size, + (u_longlong_t)doi.doi_bonus_size, + (ulong_t)doi.doi_indirection, + (ulong_t)refcount_count(&dn->dn_holds), + (u_longlong_t)doi.doi_fill_count, + (u_longlong_t)doi.doi_max_offset); + + if (nwritten >= size) + return (size); + + return (nwritten + 1); +} + +static int +dbuf_stats_hash_table_data(char *buf, size_t size, void *data) +{ + dbuf_stats_t *dsh = (dbuf_stats_t *)data; + dbuf_hash_table_t *h = dsh->hash; + dmu_buf_impl_t *db; + int length, error = 0; + + ASSERT3S(dsh->idx, >=, 0); + ASSERT3S(dsh->idx, <=, h->hash_table_mask); + memset(buf, 0, size); + + mutex_enter(DBUF_HASH_MUTEX(h, dsh->idx)); + for (db = h->hash_table[dsh->idx]; db != NULL; db = db->db_hash_next) { + /* + * Returning ENOMEM will cause the data and header functions + * to be called with a larger scratch buffers. + */ + if (size < 512) { + error = ENOMEM; + break; + } + + mutex_enter(&db->db_mtx); + + if (db->db_state != DB_EVICTING) { + length = __dbuf_stats_hash_table_data(buf, size, db); + buf += length; + size -= length; + } + + mutex_exit(&db->db_mtx); + } + mutex_exit(DBUF_HASH_MUTEX(h, dsh->idx)); + + return (error); +} + +static void * +dbuf_stats_hash_table_addr(kstat_t *ksp, loff_t n) +{ + dbuf_stats_t *dsh = ksp->ks_private; + + ASSERT(MUTEX_HELD(&dsh->lock)); + + if (n <= dsh->hash->hash_table_mask) { + dsh->idx = n; + return (dsh); + } + + return (NULL); +} + +static void +dbuf_stats_hash_table_init(dbuf_hash_table_t *hash) +{ + dbuf_stats_t *dsh = &dbuf_stats_hash_table; + kstat_t *ksp; + + mutex_init(&dsh->lock, NULL, MUTEX_DEFAULT, NULL); + dsh->hash = hash; + + ksp = kstat_create("zfs", 0, "dbufs", "misc", + KSTAT_TYPE_RAW, 0, KSTAT_FLAG_VIRTUAL); + dsh->kstat = ksp; + + if (ksp) { + ksp->ks_lock = &dsh->lock; + ksp->ks_ndata = UINT32_MAX; + ksp->ks_private = dsh; + kstat_set_raw_ops(ksp, dbuf_stats_hash_table_headers, + dbuf_stats_hash_table_data, dbuf_stats_hash_table_addr); + kstat_install(ksp); + } +} + +static void +dbuf_stats_hash_table_destroy(void) +{ + dbuf_stats_t *dsh = &dbuf_stats_hash_table; + kstat_t *ksp; + + ksp = dsh->kstat; + if (ksp) + kstat_delete(ksp); + + mutex_destroy(&dsh->lock); +} + +void +dbuf_stats_init(dbuf_hash_table_t *hash) +{ + dbuf_stats_hash_table_init(hash); +} + +void +dbuf_stats_destroy(void) +{ + dbuf_stats_hash_table_destroy(); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_dbuf_state_index, int, 0644); +MODULE_PARM_DESC(zfs_dbuf_state_index, "Calculate arc header index"); +#endif diff --git a/zfs/module/zfs/ddt.c b/zfs/module/zfs/ddt.c new file mode 100644 index 000000000000..12c1b7300a21 --- /dev/null +++ b/zfs/module/zfs/ddt.c @@ -0,0 +1,1235 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static kmem_cache_t *ddt_cache; +static kmem_cache_t *ddt_entry_cache; + +/* + * Enable/disable prefetching of dedup-ed blocks which are going to be freed. + */ +int zfs_dedup_prefetch = 0; + +static const ddt_ops_t *ddt_ops[DDT_TYPES] = { + &ddt_zap_ops, +}; + +static const char *ddt_class_name[DDT_CLASSES] = { + "ditto", + "duplicate", + "unique", +}; + +static void +ddt_object_create(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + dmu_tx_t *tx) +{ + spa_t *spa = ddt->ddt_spa; + objset_t *os = ddt->ddt_os; + uint64_t *objectp = &ddt->ddt_object[type][class]; + boolean_t prehash = zio_checksum_table[ddt->ddt_checksum].ci_dedup; + char name[DDT_NAMELEN]; + + ddt_object_name(ddt, type, class, name); + + ASSERT(*objectp == 0); + VERIFY(ddt_ops[type]->ddt_op_create(os, objectp, tx, prehash) == 0); + ASSERT(*objectp != 0); + + VERIFY(zap_add(os, DMU_POOL_DIRECTORY_OBJECT, name, + sizeof (uint64_t), 1, objectp, tx) == 0); + + VERIFY(zap_add(os, spa->spa_ddt_stat_object, name, + sizeof (uint64_t), sizeof (ddt_histogram_t) / sizeof (uint64_t), + &ddt->ddt_histogram[type][class], tx) == 0); +} + +static void +ddt_object_destroy(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + dmu_tx_t *tx) +{ + spa_t *spa = ddt->ddt_spa; + objset_t *os = ddt->ddt_os; + uint64_t *objectp = &ddt->ddt_object[type][class]; + uint64_t count; + char name[DDT_NAMELEN]; + + ddt_object_name(ddt, type, class, name); + + ASSERT(*objectp != 0); + ASSERT(ddt_histogram_empty(&ddt->ddt_histogram[type][class])); + VERIFY(ddt_object_count(ddt, type, class, &count) == 0 && count == 0); + VERIFY(zap_remove(os, DMU_POOL_DIRECTORY_OBJECT, name, tx) == 0); + VERIFY(zap_remove(os, spa->spa_ddt_stat_object, name, tx) == 0); + VERIFY(ddt_ops[type]->ddt_op_destroy(os, *objectp, tx) == 0); + bzero(&ddt->ddt_object_stats[type][class], sizeof (ddt_object_t)); + + *objectp = 0; +} + +static int +ddt_object_load(ddt_t *ddt, enum ddt_type type, enum ddt_class class) +{ + ddt_object_t *ddo = &ddt->ddt_object_stats[type][class]; + dmu_object_info_t doi; + uint64_t count; + char name[DDT_NAMELEN]; + int error; + + ddt_object_name(ddt, type, class, name); + + error = zap_lookup(ddt->ddt_os, DMU_POOL_DIRECTORY_OBJECT, name, + sizeof (uint64_t), 1, &ddt->ddt_object[type][class]); + if (error != 0) + return (error); + + error = zap_lookup(ddt->ddt_os, ddt->ddt_spa->spa_ddt_stat_object, name, + sizeof (uint64_t), sizeof (ddt_histogram_t) / sizeof (uint64_t), + &ddt->ddt_histogram[type][class]); + if (error != 0) + return (error); + + /* + * Seed the cached statistics. + */ + error = ddt_object_info(ddt, type, class, &doi); + if (error) + return (error); + + error = ddt_object_count(ddt, type, class, &count); + if (error) + return (error); + + ddo->ddo_count = count; + ddo->ddo_dspace = doi.doi_physical_blocks_512 << 9; + ddo->ddo_mspace = doi.doi_fill_count * doi.doi_data_block_size; + + return (0); +} + +static void +ddt_object_sync(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + dmu_tx_t *tx) +{ + ddt_object_t *ddo = &ddt->ddt_object_stats[type][class]; + dmu_object_info_t doi; + uint64_t count; + char name[DDT_NAMELEN]; + + ddt_object_name(ddt, type, class, name); + + VERIFY(zap_update(ddt->ddt_os, ddt->ddt_spa->spa_ddt_stat_object, name, + sizeof (uint64_t), sizeof (ddt_histogram_t) / sizeof (uint64_t), + &ddt->ddt_histogram[type][class], tx) == 0); + + /* + * Cache DDT statistics; this is the only time they'll change. + */ + VERIFY(ddt_object_info(ddt, type, class, &doi) == 0); + VERIFY(ddt_object_count(ddt, type, class, &count) == 0); + + ddo->ddo_count = count; + ddo->ddo_dspace = doi.doi_physical_blocks_512 << 9; + ddo->ddo_mspace = doi.doi_fill_count * doi.doi_data_block_size; +} + +static int +ddt_object_lookup(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + ddt_entry_t *dde) +{ + if (!ddt_object_exists(ddt, type, class)) + return (SET_ERROR(ENOENT)); + + return (ddt_ops[type]->ddt_op_lookup(ddt->ddt_os, + ddt->ddt_object[type][class], dde)); +} + +static void +ddt_object_prefetch(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + ddt_entry_t *dde) +{ + if (!ddt_object_exists(ddt, type, class)) + return; + + ddt_ops[type]->ddt_op_prefetch(ddt->ddt_os, + ddt->ddt_object[type][class], dde); +} + +int +ddt_object_update(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + ddt_entry_t *dde, dmu_tx_t *tx) +{ + ASSERT(ddt_object_exists(ddt, type, class)); + + return (ddt_ops[type]->ddt_op_update(ddt->ddt_os, + ddt->ddt_object[type][class], dde, tx)); +} + +static int +ddt_object_remove(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + ddt_entry_t *dde, dmu_tx_t *tx) +{ + ASSERT(ddt_object_exists(ddt, type, class)); + + return (ddt_ops[type]->ddt_op_remove(ddt->ddt_os, + ddt->ddt_object[type][class], dde, tx)); +} + +int +ddt_object_walk(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + uint64_t *walk, ddt_entry_t *dde) +{ + ASSERT(ddt_object_exists(ddt, type, class)); + + return (ddt_ops[type]->ddt_op_walk(ddt->ddt_os, + ddt->ddt_object[type][class], dde, walk)); +} + +int +ddt_object_count(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + uint64_t *count) +{ + ASSERT(ddt_object_exists(ddt, type, class)); + + return (ddt_ops[type]->ddt_op_count(ddt->ddt_os, + ddt->ddt_object[type][class], count)); +} + +int +ddt_object_info(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + dmu_object_info_t *doi) +{ + if (!ddt_object_exists(ddt, type, class)) + return (SET_ERROR(ENOENT)); + + return (dmu_object_info(ddt->ddt_os, ddt->ddt_object[type][class], + doi)); +} + +boolean_t +ddt_object_exists(ddt_t *ddt, enum ddt_type type, enum ddt_class class) +{ + return (!!ddt->ddt_object[type][class]); +} + +void +ddt_object_name(ddt_t *ddt, enum ddt_type type, enum ddt_class class, + char *name) +{ + (void) sprintf(name, DMU_POOL_DDT, + zio_checksum_table[ddt->ddt_checksum].ci_name, + ddt_ops[type]->ddt_op_name, ddt_class_name[class]); +} + +void +ddt_bp_fill(const ddt_phys_t *ddp, blkptr_t *bp, uint64_t txg) +{ + int d; + ASSERT(txg != 0); + + for (d = 0; d < SPA_DVAS_PER_BP; d++) + bp->blk_dva[d] = ddp->ddp_dva[d]; + BP_SET_BIRTH(bp, txg, ddp->ddp_phys_birth); +} + +void +ddt_bp_create(enum zio_checksum checksum, + const ddt_key_t *ddk, const ddt_phys_t *ddp, blkptr_t *bp) +{ + BP_ZERO(bp); + + if (ddp != NULL) + ddt_bp_fill(ddp, bp, ddp->ddp_phys_birth); + + bp->blk_cksum = ddk->ddk_cksum; + bp->blk_fill = 1; + + BP_SET_LSIZE(bp, DDK_GET_LSIZE(ddk)); + BP_SET_PSIZE(bp, DDK_GET_PSIZE(ddk)); + BP_SET_COMPRESS(bp, DDK_GET_COMPRESS(ddk)); + BP_SET_CHECKSUM(bp, checksum); + BP_SET_TYPE(bp, DMU_OT_DEDUP); + BP_SET_LEVEL(bp, 0); + BP_SET_DEDUP(bp, 0); + BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); +} + +void +ddt_key_fill(ddt_key_t *ddk, const blkptr_t *bp) +{ + ddk->ddk_cksum = bp->blk_cksum; + ddk->ddk_prop = 0; + + DDK_SET_LSIZE(ddk, BP_GET_LSIZE(bp)); + DDK_SET_PSIZE(ddk, BP_GET_PSIZE(bp)); + DDK_SET_COMPRESS(ddk, BP_GET_COMPRESS(bp)); +} + +void +ddt_phys_fill(ddt_phys_t *ddp, const blkptr_t *bp) +{ + int d; + ASSERT(ddp->ddp_phys_birth == 0); + + for (d = 0; d < SPA_DVAS_PER_BP; d++) + ddp->ddp_dva[d] = bp->blk_dva[d]; + ddp->ddp_phys_birth = BP_PHYSICAL_BIRTH(bp); +} + +void +ddt_phys_clear(ddt_phys_t *ddp) +{ + bzero(ddp, sizeof (*ddp)); +} + +void +ddt_phys_addref(ddt_phys_t *ddp) +{ + ddp->ddp_refcnt++; +} + +void +ddt_phys_decref(ddt_phys_t *ddp) +{ + if (ddp) { + ASSERT(ddp->ddp_refcnt > 0); + ddp->ddp_refcnt--; + } +} + +void +ddt_phys_free(ddt_t *ddt, ddt_key_t *ddk, ddt_phys_t *ddp, uint64_t txg) +{ + blkptr_t blk; + + ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); + ddt_phys_clear(ddp); + zio_free(ddt->ddt_spa, txg, &blk); +} + +ddt_phys_t * +ddt_phys_select(const ddt_entry_t *dde, const blkptr_t *bp) +{ + ddt_phys_t *ddp = (ddt_phys_t *)dde->dde_phys; + int p; + + for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { + if (DVA_EQUAL(BP_IDENTITY(bp), &ddp->ddp_dva[0]) && + BP_PHYSICAL_BIRTH(bp) == ddp->ddp_phys_birth) + return (ddp); + } + return (NULL); +} + +uint64_t +ddt_phys_total_refcnt(const ddt_entry_t *dde) +{ + uint64_t refcnt = 0; + int p; + + for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) + refcnt += dde->dde_phys[p].ddp_refcnt; + + return (refcnt); +} + +static void +ddt_stat_generate(ddt_t *ddt, ddt_entry_t *dde, ddt_stat_t *dds) +{ + spa_t *spa = ddt->ddt_spa; + ddt_phys_t *ddp = dde->dde_phys; + ddt_key_t *ddk = &dde->dde_key; + uint64_t lsize = DDK_GET_LSIZE(ddk); + uint64_t psize = DDK_GET_PSIZE(ddk); + int p, d; + + bzero(dds, sizeof (*dds)); + + for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { + uint64_t dsize = 0; + uint64_t refcnt = ddp->ddp_refcnt; + + if (ddp->ddp_phys_birth == 0) + continue; + + for (d = 0; d < SPA_DVAS_PER_BP; d++) + dsize += dva_get_dsize_sync(spa, &ddp->ddp_dva[d]); + + dds->dds_blocks += 1; + dds->dds_lsize += lsize; + dds->dds_psize += psize; + dds->dds_dsize += dsize; + + dds->dds_ref_blocks += refcnt; + dds->dds_ref_lsize += lsize * refcnt; + dds->dds_ref_psize += psize * refcnt; + dds->dds_ref_dsize += dsize * refcnt; + } +} + +void +ddt_stat_add(ddt_stat_t *dst, const ddt_stat_t *src, uint64_t neg) +{ + const uint64_t *s = (const uint64_t *)src; + uint64_t *d = (uint64_t *)dst; + uint64_t *d_end = (uint64_t *)(dst + 1); + + ASSERT(neg == 0 || neg == -1ULL); /* add or subtract */ + + while (d < d_end) + *d++ += (*s++ ^ neg) - neg; +} + +static void +ddt_stat_update(ddt_t *ddt, ddt_entry_t *dde, uint64_t neg) +{ + ddt_stat_t dds; + ddt_histogram_t *ddh; + int bucket; + + ddt_stat_generate(ddt, dde, &dds); + + bucket = highbit64(dds.dds_ref_blocks) - 1; + ASSERT(bucket >= 0); + + ddh = &ddt->ddt_histogram[dde->dde_type][dde->dde_class]; + + ddt_stat_add(&ddh->ddh_stat[bucket], &dds, neg); +} + +void +ddt_histogram_add(ddt_histogram_t *dst, const ddt_histogram_t *src) +{ + int h; + + for (h = 0; h < 64; h++) + ddt_stat_add(&dst->ddh_stat[h], &src->ddh_stat[h], 0); +} + +void +ddt_histogram_stat(ddt_stat_t *dds, const ddt_histogram_t *ddh) +{ + int h; + + bzero(dds, sizeof (*dds)); + + for (h = 0; h < 64; h++) + ddt_stat_add(dds, &ddh->ddh_stat[h], 0); +} + +boolean_t +ddt_histogram_empty(const ddt_histogram_t *ddh) +{ + const uint64_t *s = (const uint64_t *)ddh; + const uint64_t *s_end = (const uint64_t *)(ddh + 1); + + while (s < s_end) + if (*s++ != 0) + return (B_FALSE); + + return (B_TRUE); +} + +void +ddt_get_dedup_object_stats(spa_t *spa, ddt_object_t *ddo_total) +{ + enum zio_checksum c; + enum ddt_type type; + enum ddt_class class; + + /* Sum the statistics we cached in ddt_object_sync(). */ + for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { + ddt_t *ddt = spa->spa_ddt[c]; + for (type = 0; type < DDT_TYPES; type++) { + for (class = 0; class < DDT_CLASSES; + class++) { + ddt_object_t *ddo = + &ddt->ddt_object_stats[type][class]; + ddo_total->ddo_count += ddo->ddo_count; + ddo_total->ddo_dspace += ddo->ddo_dspace; + ddo_total->ddo_mspace += ddo->ddo_mspace; + } + } + } + + /* ... and compute the averages. */ + if (ddo_total->ddo_count != 0) { + ddo_total->ddo_dspace /= ddo_total->ddo_count; + ddo_total->ddo_mspace /= ddo_total->ddo_count; + } +} + +void +ddt_get_dedup_histogram(spa_t *spa, ddt_histogram_t *ddh) +{ + enum zio_checksum c; + enum ddt_type type; + enum ddt_class class; + + for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { + ddt_t *ddt = spa->spa_ddt[c]; + for (type = 0; type < DDT_TYPES; type++) { + for (class = 0; class < DDT_CLASSES; + class++) { + ddt_histogram_add(ddh, + &ddt->ddt_histogram_cache[type][class]); + } + } + } +} + +void +ddt_get_dedup_stats(spa_t *spa, ddt_stat_t *dds_total) +{ + ddt_histogram_t *ddh_total; + + ddh_total = kmem_zalloc(sizeof (ddt_histogram_t), KM_SLEEP); + ddt_get_dedup_histogram(spa, ddh_total); + ddt_histogram_stat(dds_total, ddh_total); + kmem_free(ddh_total, sizeof (ddt_histogram_t)); +} + +uint64_t +ddt_get_dedup_dspace(spa_t *spa) +{ + ddt_stat_t dds_total = { 0 }; + + ddt_get_dedup_stats(spa, &dds_total); + return (dds_total.dds_ref_dsize - dds_total.dds_dsize); +} + +uint64_t +ddt_get_pool_dedup_ratio(spa_t *spa) +{ + ddt_stat_t dds_total = { 0 }; + + ddt_get_dedup_stats(spa, &dds_total); + if (dds_total.dds_dsize == 0) + return (100); + + return (dds_total.dds_ref_dsize * 100 / dds_total.dds_dsize); +} + +int +ddt_ditto_copies_needed(ddt_t *ddt, ddt_entry_t *dde, ddt_phys_t *ddp_willref) +{ + spa_t *spa = ddt->ddt_spa; + uint64_t total_refcnt = 0; + uint64_t ditto = spa->spa_dedup_ditto; + int total_copies = 0; + int desired_copies = 0; + int p; + + for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) { + ddt_phys_t *ddp = &dde->dde_phys[p]; + zio_t *zio = dde->dde_lead_zio[p]; + uint64_t refcnt = ddp->ddp_refcnt; /* committed refs */ + if (zio != NULL) + refcnt += zio->io_parent_count; /* pending refs */ + if (ddp == ddp_willref) + refcnt++; /* caller's ref */ + if (refcnt != 0) { + total_refcnt += refcnt; + total_copies += p; + } + } + + if (ditto == 0 || ditto > UINT32_MAX) + ditto = UINT32_MAX; + + if (total_refcnt >= 1) + desired_copies++; + if (total_refcnt >= ditto) + desired_copies++; + if (total_refcnt >= ditto * ditto) + desired_copies++; + + return (MAX(desired_copies, total_copies) - total_copies); +} + +int +ddt_ditto_copies_present(ddt_entry_t *dde) +{ + ddt_phys_t *ddp = &dde->dde_phys[DDT_PHYS_DITTO]; + dva_t *dva = ddp->ddp_dva; + int copies = 0 - DVA_GET_GANG(dva); + int d; + + for (d = 0; d < SPA_DVAS_PER_BP; d++, dva++) + if (DVA_IS_VALID(dva)) + copies++; + + ASSERT(copies >= 0 && copies < SPA_DVAS_PER_BP); + + return (copies); +} + +size_t +ddt_compress(void *src, uchar_t *dst, size_t s_len, size_t d_len) +{ + uchar_t *version = dst++; + int cpfunc = ZIO_COMPRESS_ZLE; + zio_compress_info_t *ci = &zio_compress_table[cpfunc]; + size_t c_len; + + ASSERT(d_len >= s_len + 1); /* no compression plus version byte */ + + c_len = ci->ci_compress(src, dst, s_len, d_len - 1, ci->ci_level); + + if (c_len == s_len) { + cpfunc = ZIO_COMPRESS_OFF; + bcopy(src, dst, s_len); + } + + *version = cpfunc; + /* CONSTCOND */ + if (ZFS_HOST_BYTEORDER) + *version |= DDT_COMPRESS_BYTEORDER_MASK; + + return (c_len + 1); +} + +void +ddt_decompress(uchar_t *src, void *dst, size_t s_len, size_t d_len) +{ + uchar_t version = *src++; + int cpfunc = version & DDT_COMPRESS_FUNCTION_MASK; + zio_compress_info_t *ci = &zio_compress_table[cpfunc]; + + if (ci->ci_decompress != NULL) + (void) ci->ci_decompress(src, dst, s_len, d_len, ci->ci_level); + else + bcopy(src, dst, d_len); + + if (((version & DDT_COMPRESS_BYTEORDER_MASK) != 0) != + (ZFS_HOST_BYTEORDER != 0)) + byteswap_uint64_array(dst, d_len); +} + +ddt_t * +ddt_select_by_checksum(spa_t *spa, enum zio_checksum c) +{ + return (spa->spa_ddt[c]); +} + +ddt_t * +ddt_select(spa_t *spa, const blkptr_t *bp) +{ + return (spa->spa_ddt[BP_GET_CHECKSUM(bp)]); +} + +void +ddt_enter(ddt_t *ddt) +{ + mutex_enter(&ddt->ddt_lock); +} + +void +ddt_exit(ddt_t *ddt) +{ + mutex_exit(&ddt->ddt_lock); +} + +void +ddt_init(void) +{ + ddt_cache = kmem_cache_create("ddt_cache", + sizeof (ddt_t), 0, NULL, NULL, NULL, NULL, NULL, 0); + ddt_entry_cache = kmem_cache_create("ddt_entry_cache", + sizeof (ddt_entry_t), 0, NULL, NULL, NULL, NULL, NULL, 0); +} + +void +ddt_fini(void) +{ + kmem_cache_destroy(ddt_entry_cache); + kmem_cache_destroy(ddt_cache); +} + +static ddt_entry_t * +ddt_alloc(const ddt_key_t *ddk) +{ + ddt_entry_t *dde; + + dde = kmem_cache_alloc(ddt_entry_cache, KM_SLEEP); + bzero(dde, sizeof (ddt_entry_t)); + cv_init(&dde->dde_cv, NULL, CV_DEFAULT, NULL); + + dde->dde_key = *ddk; + + return (dde); +} + +static void +ddt_free(ddt_entry_t *dde) +{ + int p; + + ASSERT(!dde->dde_loading); + + for (p = 0; p < DDT_PHYS_TYPES; p++) + ASSERT(dde->dde_lead_zio[p] == NULL); + + if (dde->dde_repair_data != NULL) + zio_buf_free(dde->dde_repair_data, + DDK_GET_PSIZE(&dde->dde_key)); + + cv_destroy(&dde->dde_cv); + kmem_cache_free(ddt_entry_cache, dde); +} + +void +ddt_remove(ddt_t *ddt, ddt_entry_t *dde) +{ + ASSERT(MUTEX_HELD(&ddt->ddt_lock)); + + avl_remove(&ddt->ddt_tree, dde); + ddt_free(dde); +} + +ddt_entry_t * +ddt_lookup(ddt_t *ddt, const blkptr_t *bp, boolean_t add) +{ + ddt_entry_t *dde, dde_search; + enum ddt_type type; + enum ddt_class class; + avl_index_t where; + int error; + + ASSERT(MUTEX_HELD(&ddt->ddt_lock)); + + ddt_key_fill(&dde_search.dde_key, bp); + + dde = avl_find(&ddt->ddt_tree, &dde_search, &where); + if (dde == NULL) { + if (!add) + return (NULL); + dde = ddt_alloc(&dde_search.dde_key); + avl_insert(&ddt->ddt_tree, dde, where); + } + + while (dde->dde_loading) + cv_wait(&dde->dde_cv, &ddt->ddt_lock); + + if (dde->dde_loaded) + return (dde); + + dde->dde_loading = B_TRUE; + + ddt_exit(ddt); + + error = ENOENT; + + for (type = 0; type < DDT_TYPES; type++) { + for (class = 0; class < DDT_CLASSES; class++) { + error = ddt_object_lookup(ddt, type, class, dde); + if (error != ENOENT) + break; + } + if (error != ENOENT) + break; + } + + ASSERT(error == 0 || error == ENOENT); + + ddt_enter(ddt); + + ASSERT(dde->dde_loaded == B_FALSE); + ASSERT(dde->dde_loading == B_TRUE); + + dde->dde_type = type; /* will be DDT_TYPES if no entry found */ + dde->dde_class = class; /* will be DDT_CLASSES if no entry found */ + dde->dde_loaded = B_TRUE; + dde->dde_loading = B_FALSE; + + if (error == 0) + ddt_stat_update(ddt, dde, -1ULL); + + cv_broadcast(&dde->dde_cv); + + return (dde); +} + +void +ddt_prefetch(spa_t *spa, const blkptr_t *bp) +{ + ddt_t *ddt; + ddt_entry_t dde; + enum ddt_type type; + enum ddt_class class; + + if (!zfs_dedup_prefetch || bp == NULL || !BP_GET_DEDUP(bp)) + return; + + /* + * We only remove the DDT once all tables are empty and only + * prefetch dedup blocks when there are entries in the DDT. + * Thus no locking is required as the DDT can't disappear on us. + */ + ddt = ddt_select(spa, bp); + ddt_key_fill(&dde.dde_key, bp); + + for (type = 0; type < DDT_TYPES; type++) { + for (class = 0; class < DDT_CLASSES; class++) { + ddt_object_prefetch(ddt, type, class, &dde); + } + } +} + +int +ddt_entry_compare(const void *x1, const void *x2) +{ + const ddt_entry_t *dde1 = x1; + const ddt_entry_t *dde2 = x2; + const uint64_t *u1 = (const uint64_t *)&dde1->dde_key; + const uint64_t *u2 = (const uint64_t *)&dde2->dde_key; + int i; + + for (i = 0; i < DDT_KEY_WORDS; i++) { + if (u1[i] < u2[i]) + return (-1); + if (u1[i] > u2[i]) + return (1); + } + + return (0); +} + +static ddt_t * +ddt_table_alloc(spa_t *spa, enum zio_checksum c) +{ + ddt_t *ddt; + + ddt = kmem_cache_alloc(ddt_cache, KM_SLEEP); + bzero(ddt, sizeof (ddt_t)); + + mutex_init(&ddt->ddt_lock, NULL, MUTEX_DEFAULT, NULL); + avl_create(&ddt->ddt_tree, ddt_entry_compare, + sizeof (ddt_entry_t), offsetof(ddt_entry_t, dde_node)); + avl_create(&ddt->ddt_repair_tree, ddt_entry_compare, + sizeof (ddt_entry_t), offsetof(ddt_entry_t, dde_node)); + ddt->ddt_checksum = c; + ddt->ddt_spa = spa; + ddt->ddt_os = spa->spa_meta_objset; + + return (ddt); +} + +static void +ddt_table_free(ddt_t *ddt) +{ + ASSERT(avl_numnodes(&ddt->ddt_tree) == 0); + ASSERT(avl_numnodes(&ddt->ddt_repair_tree) == 0); + avl_destroy(&ddt->ddt_tree); + avl_destroy(&ddt->ddt_repair_tree); + mutex_destroy(&ddt->ddt_lock); + kmem_cache_free(ddt_cache, ddt); +} + +void +ddt_create(spa_t *spa) +{ + enum zio_checksum c; + + spa->spa_dedup_checksum = ZIO_DEDUPCHECKSUM; + + for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) + spa->spa_ddt[c] = ddt_table_alloc(spa, c); +} + +int +ddt_load(spa_t *spa) +{ + enum zio_checksum c; + enum ddt_type type; + enum ddt_class class; + int error; + + ddt_create(spa); + + error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_DDT_STATS, sizeof (uint64_t), 1, + &spa->spa_ddt_stat_object); + + if (error) + return (error == ENOENT ? 0 : error); + + for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { + ddt_t *ddt = spa->spa_ddt[c]; + for (type = 0; type < DDT_TYPES; type++) { + for (class = 0; class < DDT_CLASSES; + class++) { + error = ddt_object_load(ddt, type, class); + if (error != 0 && error != ENOENT) + return (error); + } + } + + /* + * Seed the cached histograms. + */ + bcopy(ddt->ddt_histogram, &ddt->ddt_histogram_cache, + sizeof (ddt->ddt_histogram)); + } + + return (0); +} + +void +ddt_unload(spa_t *spa) +{ + enum zio_checksum c; + + for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { + if (spa->spa_ddt[c]) { + ddt_table_free(spa->spa_ddt[c]); + spa->spa_ddt[c] = NULL; + } + } +} + +boolean_t +ddt_class_contains(spa_t *spa, enum ddt_class max_class, const blkptr_t *bp) +{ + ddt_t *ddt; + ddt_entry_t *dde; + enum ddt_type type; + enum ddt_class class; + + if (!BP_GET_DEDUP(bp)) + return (B_FALSE); + + if (max_class == DDT_CLASS_UNIQUE) + return (B_TRUE); + + ddt = spa->spa_ddt[BP_GET_CHECKSUM(bp)]; + dde = kmem_cache_alloc(ddt_entry_cache, KM_SLEEP); + + ddt_key_fill(&(dde->dde_key), bp); + + for (type = 0; type < DDT_TYPES; type++) { + for (class = 0; class <= max_class; class++) { + if (ddt_object_lookup(ddt, type, class, dde) == 0) { + kmem_cache_free(ddt_entry_cache, dde); + return (B_TRUE); + } + } + } + + kmem_cache_free(ddt_entry_cache, dde); + return (B_FALSE); +} + +ddt_entry_t * +ddt_repair_start(ddt_t *ddt, const blkptr_t *bp) +{ + ddt_key_t ddk; + ddt_entry_t *dde; + enum ddt_type type; + enum ddt_class class; + + ddt_key_fill(&ddk, bp); + + dde = ddt_alloc(&ddk); + + for (type = 0; type < DDT_TYPES; type++) { + for (class = 0; class < DDT_CLASSES; class++) { + /* + * We can only do repair if there are multiple copies + * of the block. For anything in the UNIQUE class, + * there's definitely only one copy, so don't even try. + */ + if (class != DDT_CLASS_UNIQUE && + ddt_object_lookup(ddt, type, class, dde) == 0) + return (dde); + } + } + + bzero(dde->dde_phys, sizeof (dde->dde_phys)); + + return (dde); +} + +void +ddt_repair_done(ddt_t *ddt, ddt_entry_t *dde) +{ + avl_index_t where; + + ddt_enter(ddt); + + if (dde->dde_repair_data != NULL && spa_writeable(ddt->ddt_spa) && + avl_find(&ddt->ddt_repair_tree, dde, &where) == NULL) + avl_insert(&ddt->ddt_repair_tree, dde, where); + else + ddt_free(dde); + + ddt_exit(ddt); +} + +static void +ddt_repair_entry_done(zio_t *zio) +{ + ddt_entry_t *rdde = zio->io_private; + + ddt_free(rdde); +} + +static void +ddt_repair_entry(ddt_t *ddt, ddt_entry_t *dde, ddt_entry_t *rdde, zio_t *rio) +{ + ddt_phys_t *ddp = dde->dde_phys; + ddt_phys_t *rddp = rdde->dde_phys; + ddt_key_t *ddk = &dde->dde_key; + ddt_key_t *rddk = &rdde->dde_key; + zio_t *zio; + blkptr_t blk; + int p; + + zio = zio_null(rio, rio->io_spa, NULL, + ddt_repair_entry_done, rdde, rio->io_flags); + + for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++, rddp++) { + if (ddp->ddp_phys_birth == 0 || + ddp->ddp_phys_birth != rddp->ddp_phys_birth || + bcmp(ddp->ddp_dva, rddp->ddp_dva, sizeof (ddp->ddp_dva))) + continue; + ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); + zio_nowait(zio_rewrite(zio, zio->io_spa, 0, &blk, + rdde->dde_repair_data, DDK_GET_PSIZE(rddk), NULL, NULL, + ZIO_PRIORITY_SYNC_WRITE, ZIO_DDT_CHILD_FLAGS(zio), NULL)); + } + + zio_nowait(zio); +} + +static void +ddt_repair_table(ddt_t *ddt, zio_t *rio) +{ + spa_t *spa = ddt->ddt_spa; + ddt_entry_t *dde, *rdde_next, *rdde; + avl_tree_t *t = &ddt->ddt_repair_tree; + blkptr_t blk; + + if (spa_sync_pass(spa) > 1) + return; + + ddt_enter(ddt); + for (rdde = avl_first(t); rdde != NULL; rdde = rdde_next) { + rdde_next = AVL_NEXT(t, rdde); + avl_remove(&ddt->ddt_repair_tree, rdde); + ddt_exit(ddt); + ddt_bp_create(ddt->ddt_checksum, &rdde->dde_key, NULL, &blk); + dde = ddt_repair_start(ddt, &blk); + ddt_repair_entry(ddt, dde, rdde, rio); + ddt_repair_done(ddt, dde); + ddt_enter(ddt); + } + ddt_exit(ddt); +} + +static void +ddt_sync_entry(ddt_t *ddt, ddt_entry_t *dde, dmu_tx_t *tx, uint64_t txg) +{ + dsl_pool_t *dp = ddt->ddt_spa->spa_dsl_pool; + ddt_phys_t *ddp = dde->dde_phys; + ddt_key_t *ddk = &dde->dde_key; + enum ddt_type otype = dde->dde_type; + enum ddt_type ntype = DDT_TYPE_CURRENT; + enum ddt_class oclass = dde->dde_class; + enum ddt_class nclass; + uint64_t total_refcnt = 0; + int p; + + ASSERT(dde->dde_loaded); + ASSERT(!dde->dde_loading); + + for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { + ASSERT(dde->dde_lead_zio[p] == NULL); + if (ddp->ddp_phys_birth == 0) { + ASSERT(ddp->ddp_refcnt == 0); + continue; + } + if (p == DDT_PHYS_DITTO) { + if (ddt_ditto_copies_needed(ddt, dde, NULL) == 0) + ddt_phys_free(ddt, ddk, ddp, txg); + continue; + } + if (ddp->ddp_refcnt == 0) + ddt_phys_free(ddt, ddk, ddp, txg); + total_refcnt += ddp->ddp_refcnt; + } + + if (dde->dde_phys[DDT_PHYS_DITTO].ddp_phys_birth != 0) + nclass = DDT_CLASS_DITTO; + else if (total_refcnt > 1) + nclass = DDT_CLASS_DUPLICATE; + else + nclass = DDT_CLASS_UNIQUE; + + if (otype != DDT_TYPES && + (otype != ntype || oclass != nclass || total_refcnt == 0)) { + VERIFY(ddt_object_remove(ddt, otype, oclass, dde, tx) == 0); + ASSERT(ddt_object_lookup(ddt, otype, oclass, dde) == ENOENT); + } + + if (total_refcnt != 0) { + dde->dde_type = ntype; + dde->dde_class = nclass; + ddt_stat_update(ddt, dde, 0); + if (!ddt_object_exists(ddt, ntype, nclass)) + ddt_object_create(ddt, ntype, nclass, tx); + VERIFY(ddt_object_update(ddt, ntype, nclass, dde, tx) == 0); + + /* + * If the class changes, the order that we scan this bp + * changes. If it decreases, we could miss it, so + * scan it right now. (This covers both class changing + * while we are doing ddt_walk(), and when we are + * traversing.) + */ + if (nclass < oclass) { + dsl_scan_ddt_entry(dp->dp_scan, + ddt->ddt_checksum, dde, tx); + } + } +} + +static void +ddt_sync_table(ddt_t *ddt, dmu_tx_t *tx, uint64_t txg) +{ + spa_t *spa = ddt->ddt_spa; + ddt_entry_t *dde; + void *cookie = NULL; + enum ddt_type type; + enum ddt_class class; + + if (avl_numnodes(&ddt->ddt_tree) == 0) + return; + + ASSERT(spa->spa_uberblock.ub_version >= SPA_VERSION_DEDUP); + + if (spa->spa_ddt_stat_object == 0) { + spa->spa_ddt_stat_object = zap_create_link(ddt->ddt_os, + DMU_OT_DDT_STATS, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_DDT_STATS, tx); + } + + while ((dde = avl_destroy_nodes(&ddt->ddt_tree, &cookie)) != NULL) { + ddt_sync_entry(ddt, dde, tx, txg); + ddt_free(dde); + } + + for (type = 0; type < DDT_TYPES; type++) { + uint64_t add, count = 0; + for (class = 0; class < DDT_CLASSES; class++) { + if (ddt_object_exists(ddt, type, class)) { + ddt_object_sync(ddt, type, class, tx); + VERIFY(ddt_object_count(ddt, type, class, + &add) == 0); + count += add; + } + } + for (class = 0; class < DDT_CLASSES; class++) { + if (count == 0 && ddt_object_exists(ddt, type, class)) + ddt_object_destroy(ddt, type, class, tx); + } + } + + bcopy(ddt->ddt_histogram, &ddt->ddt_histogram_cache, + sizeof (ddt->ddt_histogram)); +} + +void +ddt_sync(spa_t *spa, uint64_t txg) +{ + dmu_tx_t *tx; + zio_t *rio = zio_root(spa, NULL, NULL, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE); + enum zio_checksum c; + + ASSERT(spa_syncing_txg(spa) == txg); + + tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); + + for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { + ddt_t *ddt = spa->spa_ddt[c]; + if (ddt == NULL) + continue; + ddt_sync_table(ddt, tx, txg); + ddt_repair_table(ddt, rio); + } + + (void) zio_wait(rio); + + dmu_tx_commit(tx); +} + +int +ddt_walk(spa_t *spa, ddt_bookmark_t *ddb, ddt_entry_t *dde) +{ + do { + do { + do { + ddt_t *ddt = spa->spa_ddt[ddb->ddb_checksum]; + int error = ENOENT; + if (ddt_object_exists(ddt, ddb->ddb_type, + ddb->ddb_class)) { + error = ddt_object_walk(ddt, + ddb->ddb_type, ddb->ddb_class, + &ddb->ddb_cursor, dde); + } + dde->dde_type = ddb->ddb_type; + dde->dde_class = ddb->ddb_class; + if (error == 0) + return (0); + if (error != ENOENT) + return (error); + ddb->ddb_cursor = 0; + } while (++ddb->ddb_checksum < ZIO_CHECKSUM_FUNCTIONS); + ddb->ddb_checksum = 0; + } while (++ddb->ddb_type < DDT_TYPES); + ddb->ddb_type = 0; + } while (++ddb->ddb_class < DDT_CLASSES); + + return (SET_ERROR(ENOENT)); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_dedup_prefetch, int, 0644); +MODULE_PARM_DESC(zfs_dedup_prefetch, "Enable prefetching dedup-ed blks"); +#endif diff --git a/zfs/module/zfs/ddt_zap.c b/zfs/module/zfs/ddt_zap.c new file mode 100644 index 000000000000..fc9cfec045a2 --- /dev/null +++ b/zfs/module/zfs/ddt_zap.c @@ -0,0 +1,157 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include + +int ddt_zap_leaf_blockshift = 12; +int ddt_zap_indirect_blockshift = 12; + +static int +ddt_zap_create(objset_t *os, uint64_t *objectp, dmu_tx_t *tx, boolean_t prehash) +{ + zap_flags_t flags = ZAP_FLAG_HASH64 | ZAP_FLAG_UINT64_KEY; + + if (prehash) + flags |= ZAP_FLAG_PRE_HASHED_KEY; + + *objectp = zap_create_flags(os, 0, flags, DMU_OT_DDT_ZAP, + ddt_zap_leaf_blockshift, ddt_zap_indirect_blockshift, + DMU_OT_NONE, 0, tx); + + return (*objectp == 0 ? ENOTSUP : 0); +} + +static int +ddt_zap_destroy(objset_t *os, uint64_t object, dmu_tx_t *tx) +{ + return (zap_destroy(os, object, tx)); +} + +static int +ddt_zap_lookup(objset_t *os, uint64_t object, ddt_entry_t *dde) +{ + uchar_t *cbuf; + uint64_t one, csize; + int error; + + cbuf = kmem_alloc(sizeof (dde->dde_phys) + 1, KM_SLEEP); + + error = zap_length_uint64(os, object, (uint64_t *)&dde->dde_key, + DDT_KEY_WORDS, &one, &csize); + if (error) + goto out; + + ASSERT(one == 1); + ASSERT(csize <= (sizeof (dde->dde_phys) + 1)); + + error = zap_lookup_uint64(os, object, (uint64_t *)&dde->dde_key, + DDT_KEY_WORDS, 1, csize, cbuf); + if (error) + goto out; + + ddt_decompress(cbuf, dde->dde_phys, csize, sizeof (dde->dde_phys)); +out: + kmem_free(cbuf, sizeof (dde->dde_phys) + 1); + + return (error); +} + +static void +ddt_zap_prefetch(objset_t *os, uint64_t object, ddt_entry_t *dde) +{ + (void) zap_prefetch_uint64(os, object, (uint64_t *)&dde->dde_key, + DDT_KEY_WORDS); +} + +static int +ddt_zap_update(objset_t *os, uint64_t object, ddt_entry_t *dde, dmu_tx_t *tx) +{ + uchar_t cbuf[sizeof (dde->dde_phys) + 1]; + uint64_t csize; + + csize = ddt_compress(dde->dde_phys, cbuf, + sizeof (dde->dde_phys), sizeof (cbuf)); + + return (zap_update_uint64(os, object, (uint64_t *)&dde->dde_key, + DDT_KEY_WORDS, 1, csize, cbuf, tx)); +} + +static int +ddt_zap_remove(objset_t *os, uint64_t object, ddt_entry_t *dde, dmu_tx_t *tx) +{ + return (zap_remove_uint64(os, object, (uint64_t *)&dde->dde_key, + DDT_KEY_WORDS, tx)); +} + +static int +ddt_zap_walk(objset_t *os, uint64_t object, ddt_entry_t *dde, uint64_t *walk) +{ + zap_cursor_t zc; + zap_attribute_t za; + int error; + + zap_cursor_init_serialized(&zc, os, object, *walk); + if ((error = zap_cursor_retrieve(&zc, &za)) == 0) { + uchar_t cbuf[sizeof (dde->dde_phys) + 1]; + uint64_t csize = za.za_num_integers; + ASSERT(za.za_integer_length == 1); + error = zap_lookup_uint64(os, object, (uint64_t *)za.za_name, + DDT_KEY_WORDS, 1, csize, cbuf); + ASSERT(error == 0); + if (error == 0) { + ddt_decompress(cbuf, dde->dde_phys, csize, + sizeof (dde->dde_phys)); + dde->dde_key = *(ddt_key_t *)za.za_name; + } + zap_cursor_advance(&zc); + *walk = zap_cursor_serialize(&zc); + } + zap_cursor_fini(&zc); + return (error); +} + +static int +ddt_zap_count(objset_t *os, uint64_t object, uint64_t *count) +{ + return (zap_count(os, object, count)); +} + +const ddt_ops_t ddt_zap_ops = { + "zap", + ddt_zap_create, + ddt_zap_destroy, + ddt_zap_lookup, + ddt_zap_prefetch, + ddt_zap_update, + ddt_zap_remove, + ddt_zap_walk, + ddt_zap_count, +}; diff --git a/zfs/module/zfs/dmu.c b/zfs/module/zfs/dmu.c new file mode 100644 index 000000000000..5e2a1db601b4 --- /dev/null +++ b/zfs/module/zfs/dmu.c @@ -0,0 +1,2182 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2014, Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2015 by Chunwei Chen. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef _KERNEL +#include +#include +#endif + +/* + * Enable/disable nopwrite feature. + */ +int zfs_nopwrite_enabled = 1; + +const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES] = { + { DMU_BSWAP_UINT8, TRUE, "unallocated" }, + { DMU_BSWAP_ZAP, TRUE, "object directory" }, + { DMU_BSWAP_UINT64, TRUE, "object array" }, + { DMU_BSWAP_UINT8, TRUE, "packed nvlist" }, + { DMU_BSWAP_UINT64, TRUE, "packed nvlist size" }, + { DMU_BSWAP_UINT64, TRUE, "bpobj" }, + { DMU_BSWAP_UINT64, TRUE, "bpobj header" }, + { DMU_BSWAP_UINT64, TRUE, "SPA space map header" }, + { DMU_BSWAP_UINT64, TRUE, "SPA space map" }, + { DMU_BSWAP_UINT64, TRUE, "ZIL intent log" }, + { DMU_BSWAP_DNODE, TRUE, "DMU dnode" }, + { DMU_BSWAP_OBJSET, TRUE, "DMU objset" }, + { DMU_BSWAP_UINT64, TRUE, "DSL directory" }, + { DMU_BSWAP_ZAP, TRUE, "DSL directory child map"}, + { DMU_BSWAP_ZAP, TRUE, "DSL dataset snap map" }, + { DMU_BSWAP_ZAP, TRUE, "DSL props" }, + { DMU_BSWAP_UINT64, TRUE, "DSL dataset" }, + { DMU_BSWAP_ZNODE, TRUE, "ZFS znode" }, + { DMU_BSWAP_OLDACL, TRUE, "ZFS V0 ACL" }, + { DMU_BSWAP_UINT8, FALSE, "ZFS plain file" }, + { DMU_BSWAP_ZAP, TRUE, "ZFS directory" }, + { DMU_BSWAP_ZAP, TRUE, "ZFS master node" }, + { DMU_BSWAP_ZAP, TRUE, "ZFS delete queue" }, + { DMU_BSWAP_UINT8, FALSE, "zvol object" }, + { DMU_BSWAP_ZAP, TRUE, "zvol prop" }, + { DMU_BSWAP_UINT8, FALSE, "other uint8[]" }, + { DMU_BSWAP_UINT64, FALSE, "other uint64[]" }, + { DMU_BSWAP_ZAP, TRUE, "other ZAP" }, + { DMU_BSWAP_ZAP, TRUE, "persistent error log" }, + { DMU_BSWAP_UINT8, TRUE, "SPA history" }, + { DMU_BSWAP_UINT64, TRUE, "SPA history offsets" }, + { DMU_BSWAP_ZAP, TRUE, "Pool properties" }, + { DMU_BSWAP_ZAP, TRUE, "DSL permissions" }, + { DMU_BSWAP_ACL, TRUE, "ZFS ACL" }, + { DMU_BSWAP_UINT8, TRUE, "ZFS SYSACL" }, + { DMU_BSWAP_UINT8, TRUE, "FUID table" }, + { DMU_BSWAP_UINT64, TRUE, "FUID table size" }, + { DMU_BSWAP_ZAP, TRUE, "DSL dataset next clones"}, + { DMU_BSWAP_ZAP, TRUE, "scan work queue" }, + { DMU_BSWAP_ZAP, TRUE, "ZFS user/group used" }, + { DMU_BSWAP_ZAP, TRUE, "ZFS user/group quota" }, + { DMU_BSWAP_ZAP, TRUE, "snapshot refcount tags"}, + { DMU_BSWAP_ZAP, TRUE, "DDT ZAP algorithm" }, + { DMU_BSWAP_ZAP, TRUE, "DDT statistics" }, + { DMU_BSWAP_UINT8, TRUE, "System attributes" }, + { DMU_BSWAP_ZAP, TRUE, "SA master node" }, + { DMU_BSWAP_ZAP, TRUE, "SA attr registration" }, + { DMU_BSWAP_ZAP, TRUE, "SA attr layouts" }, + { DMU_BSWAP_ZAP, TRUE, "scan translations" }, + { DMU_BSWAP_UINT8, FALSE, "deduplicated block" }, + { DMU_BSWAP_ZAP, TRUE, "DSL deadlist map" }, + { DMU_BSWAP_UINT64, TRUE, "DSL deadlist map hdr" }, + { DMU_BSWAP_ZAP, TRUE, "DSL dir clones" }, + { DMU_BSWAP_UINT64, TRUE, "bpobj subobj" } +}; + +const dmu_object_byteswap_info_t dmu_ot_byteswap[DMU_BSWAP_NUMFUNCS] = { + { byteswap_uint8_array, "uint8" }, + { byteswap_uint16_array, "uint16" }, + { byteswap_uint32_array, "uint32" }, + { byteswap_uint64_array, "uint64" }, + { zap_byteswap, "zap" }, + { dnode_buf_byteswap, "dnode" }, + { dmu_objset_byteswap, "objset" }, + { zfs_znode_byteswap, "znode" }, + { zfs_oldacl_byteswap, "oldacl" }, + { zfs_acl_byteswap, "acl" } +}; + +int +dmu_buf_hold_noread(objset_t *os, uint64_t object, uint64_t offset, + void *tag, dmu_buf_t **dbp) +{ + dnode_t *dn; + uint64_t blkid; + dmu_buf_impl_t *db; + int err; + + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + blkid = dbuf_whichblock(dn, offset); + rw_enter(&dn->dn_struct_rwlock, RW_READER); + db = dbuf_hold(dn, blkid, tag); + rw_exit(&dn->dn_struct_rwlock); + dnode_rele(dn, FTAG); + + if (db == NULL) { + *dbp = NULL; + return (SET_ERROR(EIO)); + } + + *dbp = &db->db; + return (err); +} + +int +dmu_buf_hold(objset_t *os, uint64_t object, uint64_t offset, + void *tag, dmu_buf_t **dbp, int flags) +{ + int err; + int db_flags = DB_RF_CANFAIL; + + if (flags & DMU_READ_NO_PREFETCH) + db_flags |= DB_RF_NOPREFETCH; + + err = dmu_buf_hold_noread(os, object, offset, tag, dbp); + if (err == 0) { + dmu_buf_impl_t *db = (dmu_buf_impl_t *)(*dbp); + err = dbuf_read(db, NULL, db_flags); + if (err != 0) { + dbuf_rele(db, tag); + *dbp = NULL; + } + } + + return (err); +} + +int +dmu_bonus_max(void) +{ + return (DN_MAX_BONUSLEN); +} + +int +dmu_set_bonus(dmu_buf_t *db_fake, int newsize, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + dnode_t *dn; + int error; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + + if (dn->dn_bonus != db) { + error = SET_ERROR(EINVAL); + } else if (newsize < 0 || newsize > db_fake->db_size) { + error = SET_ERROR(EINVAL); + } else { + dnode_setbonuslen(dn, newsize, tx); + error = 0; + } + + DB_DNODE_EXIT(db); + return (error); +} + +int +dmu_set_bonustype(dmu_buf_t *db_fake, dmu_object_type_t type, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + dnode_t *dn; + int error; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + + if (!DMU_OT_IS_VALID(type)) { + error = SET_ERROR(EINVAL); + } else if (dn->dn_bonus != db) { + error = SET_ERROR(EINVAL); + } else { + dnode_setbonus_type(dn, type, tx); + error = 0; + } + + DB_DNODE_EXIT(db); + return (error); +} + +dmu_object_type_t +dmu_get_bonustype(dmu_buf_t *db_fake) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + dnode_t *dn; + dmu_object_type_t type; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + type = dn->dn_bonustype; + DB_DNODE_EXIT(db); + + return (type); +} + +int +dmu_rm_spill(objset_t *os, uint64_t object, dmu_tx_t *tx) +{ + dnode_t *dn; + int error; + + error = dnode_hold(os, object, FTAG, &dn); + dbuf_rm_spill(dn, tx); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + dnode_rm_spill(dn, tx); + rw_exit(&dn->dn_struct_rwlock); + dnode_rele(dn, FTAG); + return (error); +} + +/* + * returns ENOENT, EIO, or 0. + */ +int +dmu_bonus_hold(objset_t *os, uint64_t object, void *tag, dmu_buf_t **dbp) +{ + dnode_t *dn; + dmu_buf_impl_t *db; + int error; + + error = dnode_hold(os, object, FTAG, &dn); + if (error) + return (error); + + rw_enter(&dn->dn_struct_rwlock, RW_READER); + if (dn->dn_bonus == NULL) { + rw_exit(&dn->dn_struct_rwlock); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + if (dn->dn_bonus == NULL) + dbuf_create_bonus(dn); + } + db = dn->dn_bonus; + + /* as long as the bonus buf is held, the dnode will be held */ + if (refcount_add(&db->db_holds, tag) == 1) { + VERIFY(dnode_add_ref(dn, db)); + atomic_inc_32(&dn->dn_dbufs_count); + } + + /* + * Wait to drop dn_struct_rwlock until after adding the bonus dbuf's + * hold and incrementing the dbuf count to ensure that dnode_move() sees + * a dnode hold for every dbuf. + */ + rw_exit(&dn->dn_struct_rwlock); + + dnode_rele(dn, FTAG); + + VERIFY(0 == dbuf_read(db, NULL, DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH)); + + *dbp = &db->db; + return (0); +} + +/* + * returns ENOENT, EIO, or 0. + * + * This interface will allocate a blank spill dbuf when a spill blk + * doesn't already exist on the dnode. + * + * if you only want to find an already existing spill db, then + * dmu_spill_hold_existing() should be used. + */ +int +dmu_spill_hold_by_dnode(dnode_t *dn, uint32_t flags, void *tag, dmu_buf_t **dbp) +{ + dmu_buf_impl_t *db = NULL; + int err; + + if ((flags & DB_RF_HAVESTRUCT) == 0) + rw_enter(&dn->dn_struct_rwlock, RW_READER); + + db = dbuf_hold(dn, DMU_SPILL_BLKID, tag); + + if ((flags & DB_RF_HAVESTRUCT) == 0) + rw_exit(&dn->dn_struct_rwlock); + + ASSERT(db != NULL); + err = dbuf_read(db, NULL, flags); + if (err == 0) + *dbp = &db->db; + else + dbuf_rele(db, tag); + return (err); +} + +int +dmu_spill_hold_existing(dmu_buf_t *bonus, void *tag, dmu_buf_t **dbp) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)bonus; + dnode_t *dn; + int err; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + + if (spa_version(dn->dn_objset->os_spa) < SPA_VERSION_SA) { + err = SET_ERROR(EINVAL); + } else { + rw_enter(&dn->dn_struct_rwlock, RW_READER); + + if (!dn->dn_have_spill) { + err = SET_ERROR(ENOENT); + } else { + err = dmu_spill_hold_by_dnode(dn, + DB_RF_HAVESTRUCT | DB_RF_CANFAIL, tag, dbp); + } + + rw_exit(&dn->dn_struct_rwlock); + } + + DB_DNODE_EXIT(db); + return (err); +} + +int +dmu_spill_hold_by_bonus(dmu_buf_t *bonus, void *tag, dmu_buf_t **dbp) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)bonus; + dnode_t *dn; + int err; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + err = dmu_spill_hold_by_dnode(dn, DB_RF_CANFAIL, tag, dbp); + DB_DNODE_EXIT(db); + + return (err); +} + +/* + * Note: longer-term, we should modify all of the dmu_buf_*() interfaces + * to take a held dnode rather than -- the lookup is wasteful, + * and can induce severe lock contention when writing to several files + * whose dnodes are in the same block. + */ +static int +dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length, + int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp, uint32_t flags) +{ + dmu_buf_t **dbp; + uint64_t blkid, nblks, i; + uint32_t dbuf_flags; + int err; + zio_t *zio; + + ASSERT(length <= DMU_MAX_ACCESS); + + dbuf_flags = DB_RF_CANFAIL | DB_RF_NEVERWAIT | DB_RF_HAVESTRUCT; + if (flags & DMU_READ_NO_PREFETCH || length > zfetch_array_rd_sz) + dbuf_flags |= DB_RF_NOPREFETCH; + + rw_enter(&dn->dn_struct_rwlock, RW_READER); + if (dn->dn_datablkshift) { + int blkshift = dn->dn_datablkshift; + nblks = (P2ROUNDUP(offset+length, 1ULL<> blkshift; + } else { + if (offset + length > dn->dn_datablksz) { + zfs_panic_recover("zfs: accessing past end of object " + "%llx/%llx (size=%u access=%llu+%llu)", + (longlong_t)dn->dn_objset-> + os_dsl_dataset->ds_object, + (longlong_t)dn->dn_object, dn->dn_datablksz, + (longlong_t)offset, (longlong_t)length); + rw_exit(&dn->dn_struct_rwlock); + return (SET_ERROR(EIO)); + } + nblks = 1; + } + dbp = kmem_zalloc(sizeof (dmu_buf_t *) * nblks, KM_SLEEP); + + zio = zio_root(dn->dn_objset->os_spa, NULL, NULL, ZIO_FLAG_CANFAIL); + blkid = dbuf_whichblock(dn, offset); + for (i = 0; i < nblks; i++) { + dmu_buf_impl_t *db = dbuf_hold(dn, blkid+i, tag); + if (db == NULL) { + rw_exit(&dn->dn_struct_rwlock); + dmu_buf_rele_array(dbp, nblks, tag); + zio_nowait(zio); + return (SET_ERROR(EIO)); + } + /* initiate async i/o */ + if (read) { + (void) dbuf_read(db, zio, dbuf_flags); + } + dbp[i] = &db->db; + } + rw_exit(&dn->dn_struct_rwlock); + + /* wait for async i/o */ + err = zio_wait(zio); + if (err) { + dmu_buf_rele_array(dbp, nblks, tag); + return (err); + } + + /* wait for other io to complete */ + if (read) { + for (i = 0; i < nblks; i++) { + dmu_buf_impl_t *db = (dmu_buf_impl_t *)dbp[i]; + mutex_enter(&db->db_mtx); + while (db->db_state == DB_READ || + db->db_state == DB_FILL) + cv_wait(&db->db_changed, &db->db_mtx); + if (db->db_state == DB_UNCACHED) + err = SET_ERROR(EIO); + mutex_exit(&db->db_mtx); + if (err) { + dmu_buf_rele_array(dbp, nblks, tag); + return (err); + } + } + } + + *numbufsp = nblks; + *dbpp = dbp; + return (0); +} + +static int +dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset, + uint64_t length, int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp) +{ + dnode_t *dn; + int err; + + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + + err = dmu_buf_hold_array_by_dnode(dn, offset, length, read, tag, + numbufsp, dbpp, DMU_READ_PREFETCH); + + dnode_rele(dn, FTAG); + + return (err); +} + +int +dmu_buf_hold_array_by_bonus(dmu_buf_t *db_fake, uint64_t offset, + uint64_t length, int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + dnode_t *dn; + int err; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + err = dmu_buf_hold_array_by_dnode(dn, offset, length, read, tag, + numbufsp, dbpp, DMU_READ_PREFETCH); + DB_DNODE_EXIT(db); + + return (err); +} + +void +dmu_buf_rele_array(dmu_buf_t **dbp_fake, int numbufs, void *tag) +{ + int i; + dmu_buf_impl_t **dbp = (dmu_buf_impl_t **)dbp_fake; + + if (numbufs == 0) + return; + + for (i = 0; i < numbufs; i++) { + if (dbp[i]) + dbuf_rele(dbp[i], tag); + } + + kmem_free(dbp, sizeof (dmu_buf_t *) * numbufs); +} + +/* + * Issue prefetch i/os for the given blocks. + * + * Note: The assumption is that we *know* these blocks will be needed + * almost immediately. Therefore, the prefetch i/os will be issued at + * ZIO_PRIORITY_SYNC_READ + * + * Note: indirect blocks and other metadata will be read synchronously, + * causing this function to block if they are not already cached. + */ +void +dmu_prefetch(objset_t *os, uint64_t object, uint64_t offset, uint64_t len) +{ + dnode_t *dn; + uint64_t blkid; + int nblks, err; + + if (zfs_prefetch_disable) + return; + + if (len == 0) { /* they're interested in the bonus buffer */ + dn = DMU_META_DNODE(os); + + if (object == 0 || object >= DN_MAX_OBJECT) + return; + + rw_enter(&dn->dn_struct_rwlock, RW_READER); + blkid = dbuf_whichblock(dn, object * sizeof (dnode_phys_t)); + dbuf_prefetch(dn, blkid, ZIO_PRIORITY_SYNC_READ); + rw_exit(&dn->dn_struct_rwlock); + return; + } + + /* + * XXX - Note, if the dnode for the requested object is not + * already cached, we will do a *synchronous* read in the + * dnode_hold() call. The same is true for any indirects. + */ + err = dnode_hold(os, object, FTAG, &dn); + if (err != 0) + return; + + rw_enter(&dn->dn_struct_rwlock, RW_READER); + if (dn->dn_datablkshift) { + int blkshift = dn->dn_datablkshift; + nblks = (P2ROUNDUP(offset + len, 1 << blkshift) - + P2ALIGN(offset, 1 << blkshift)) >> blkshift; + } else { + nblks = (offset < dn->dn_datablksz); + } + + if (nblks != 0) { + int i; + + blkid = dbuf_whichblock(dn, offset); + for (i = 0; i < nblks; i++) + dbuf_prefetch(dn, blkid + i, ZIO_PRIORITY_SYNC_READ); + } + + rw_exit(&dn->dn_struct_rwlock); + + dnode_rele(dn, FTAG); +} + +/* + * Get the next "chunk" of file data to free. We traverse the file from + * the end so that the file gets shorter over time (if we crashes in the + * middle, this will leave us in a better state). We find allocated file + * data by simply searching the allocated level 1 indirects. + * + * On input, *start should be the first offset that does not need to be + * freed (e.g. "offset + length"). On return, *start will be the first + * offset that should be freed. + */ +static int +get_next_chunk(dnode_t *dn, uint64_t *start, uint64_t minimum) +{ + uint64_t maxblks = DMU_MAX_ACCESS >> (dn->dn_indblkshift + 1); + /* bytes of data covered by a level-1 indirect block */ + uint64_t iblkrange = + dn->dn_datablksz * EPB(dn->dn_indblkshift, SPA_BLKPTRSHIFT); + uint64_t blks; + + ASSERT3U(minimum, <=, *start); + + if (*start - minimum <= iblkrange * maxblks) { + *start = minimum; + return (0); + } + ASSERT(ISP2(iblkrange)); + + for (blks = 0; *start > minimum && blks < maxblks; blks++) { + int err; + + /* + * dnode_next_offset(BACKWARDS) will find an allocated L1 + * indirect block at or before the input offset. We must + * decrement *start so that it is at the end of the region + * to search. + */ + (*start)--; + err = dnode_next_offset(dn, + DNODE_FIND_BACKWARDS, start, 2, 1, 0); + + /* if there are no indirect blocks before start, we are done */ + if (err == ESRCH) { + *start = minimum; + break; + } else if (err != 0) { + return (err); + } + + /* set start to the beginning of this L1 indirect */ + *start = P2ALIGN(*start, iblkrange); + } + if (*start < minimum) + *start = minimum; + return (0); +} + +static int +dmu_free_long_range_impl(objset_t *os, dnode_t *dn, uint64_t offset, + uint64_t length) +{ + uint64_t object_size; + int err; + + if (dn == NULL) + return (SET_ERROR(EINVAL)); + + object_size = (dn->dn_maxblkid + 1) * dn->dn_datablksz; + if (offset >= object_size) + return (0); + + if (length == DMU_OBJECT_END || offset + length > object_size) + length = object_size - offset; + + while (length != 0) { + uint64_t chunk_end, chunk_begin; + dmu_tx_t *tx; + + chunk_end = chunk_begin = offset + length; + + /* move chunk_begin backwards to the beginning of this chunk */ + err = get_next_chunk(dn, &chunk_begin, offset); + if (err) + return (err); + ASSERT3U(chunk_begin, >=, offset); + ASSERT3U(chunk_begin, <=, chunk_end); + + tx = dmu_tx_create(os); + dmu_tx_hold_free(tx, dn->dn_object, + chunk_begin, chunk_end - chunk_begin); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err) { + dmu_tx_abort(tx); + return (err); + } + dnode_free_range(dn, chunk_begin, chunk_end - chunk_begin, tx); + dmu_tx_commit(tx); + + length -= chunk_end - chunk_begin; + } + return (0); +} + +int +dmu_free_long_range(objset_t *os, uint64_t object, + uint64_t offset, uint64_t length) +{ + dnode_t *dn; + int err; + + err = dnode_hold(os, object, FTAG, &dn); + if (err != 0) + return (err); + err = dmu_free_long_range_impl(os, dn, offset, length); + + /* + * It is important to zero out the maxblkid when freeing the entire + * file, so that (a) subsequent calls to dmu_free_long_range_impl() + * will take the fast path, and (b) dnode_reallocate() can verify + * that the entire file has been freed. + */ + if (err == 0 && offset == 0 && length == DMU_OBJECT_END) + dn->dn_maxblkid = 0; + + dnode_rele(dn, FTAG); + return (err); +} + +int +dmu_free_long_object(objset_t *os, uint64_t object) +{ + dmu_tx_t *tx; + int err; + + err = dmu_free_long_range(os, object, 0, DMU_OBJECT_END); + if (err != 0) + return (err); + + tx = dmu_tx_create(os); + dmu_tx_hold_bonus(tx, object); + dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err == 0) { + err = dmu_object_free(os, object, tx); + dmu_tx_commit(tx); + } else { + dmu_tx_abort(tx); + } + + return (err); +} + +int +dmu_free_range(objset_t *os, uint64_t object, uint64_t offset, + uint64_t size, dmu_tx_t *tx) +{ + dnode_t *dn; + int err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + ASSERT(offset < UINT64_MAX); + ASSERT(size == -1ULL || size <= UINT64_MAX - offset); + dnode_free_range(dn, offset, size, tx); + dnode_rele(dn, FTAG); + return (0); +} + +int +dmu_read(objset_t *os, uint64_t object, uint64_t offset, uint64_t size, + void *buf, uint32_t flags) +{ + dnode_t *dn; + dmu_buf_t **dbp; + int numbufs, err; + + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + + /* + * Deal with odd block sizes, where there can't be data past the first + * block. If we ever do the tail block optimization, we will need to + * handle that here as well. + */ + if (dn->dn_maxblkid == 0) { + uint64_t newsz = offset > dn->dn_datablksz ? 0 : + MIN(size, dn->dn_datablksz - offset); + bzero((char *)buf + newsz, size - newsz); + size = newsz; + } + + while (size > 0) { + uint64_t mylen = MIN(size, DMU_MAX_ACCESS / 2); + int i; + + /* + * NB: we could do this block-at-a-time, but it's nice + * to be reading in parallel. + */ + err = dmu_buf_hold_array_by_dnode(dn, offset, mylen, + TRUE, FTAG, &numbufs, &dbp, flags); + if (err) + break; + + for (i = 0; i < numbufs; i++) { + uint64_t tocpy; + int64_t bufoff; + dmu_buf_t *db = dbp[i]; + + ASSERT(size > 0); + + bufoff = offset - db->db_offset; + tocpy = MIN(db->db_size - bufoff, size); + + (void) memcpy(buf, (char *)db->db_data + bufoff, tocpy); + + offset += tocpy; + size -= tocpy; + buf = (char *)buf + tocpy; + } + dmu_buf_rele_array(dbp, numbufs, FTAG); + } + dnode_rele(dn, FTAG); + return (err); +} + +void +dmu_write(objset_t *os, uint64_t object, uint64_t offset, uint64_t size, + const void *buf, dmu_tx_t *tx) +{ + dmu_buf_t **dbp; + int numbufs, i; + + if (size == 0) + return; + + VERIFY0(dmu_buf_hold_array(os, object, offset, size, + FALSE, FTAG, &numbufs, &dbp)); + + for (i = 0; i < numbufs; i++) { + uint64_t tocpy; + int64_t bufoff; + dmu_buf_t *db = dbp[i]; + + ASSERT(size > 0); + + bufoff = offset - db->db_offset; + tocpy = MIN(db->db_size - bufoff, size); + + ASSERT(i == 0 || i == numbufs-1 || tocpy == db->db_size); + + if (tocpy == db->db_size) + dmu_buf_will_fill(db, tx); + else + dmu_buf_will_dirty(db, tx); + + (void) memcpy((char *)db->db_data + bufoff, buf, tocpy); + + if (tocpy == db->db_size) + dmu_buf_fill_done(db, tx); + + offset += tocpy; + size -= tocpy; + buf = (char *)buf + tocpy; + } + dmu_buf_rele_array(dbp, numbufs, FTAG); +} + +void +dmu_prealloc(objset_t *os, uint64_t object, uint64_t offset, uint64_t size, + dmu_tx_t *tx) +{ + dmu_buf_t **dbp; + int numbufs, i; + + if (size == 0) + return; + + VERIFY(0 == dmu_buf_hold_array(os, object, offset, size, + FALSE, FTAG, &numbufs, &dbp)); + + for (i = 0; i < numbufs; i++) { + dmu_buf_t *db = dbp[i]; + + dmu_buf_will_not_fill(db, tx); + } + dmu_buf_rele_array(dbp, numbufs, FTAG); +} + +void +dmu_write_embedded(objset_t *os, uint64_t object, uint64_t offset, + void *data, uint8_t etype, uint8_t comp, int uncompressed_size, + int compressed_size, int byteorder, dmu_tx_t *tx) +{ + dmu_buf_t *db; + + ASSERT3U(etype, <, NUM_BP_EMBEDDED_TYPES); + ASSERT3U(comp, <, ZIO_COMPRESS_FUNCTIONS); + VERIFY0(dmu_buf_hold_noread(os, object, offset, + FTAG, &db)); + + dmu_buf_write_embedded(db, + data, (bp_embedded_type_t)etype, (enum zio_compress)comp, + uncompressed_size, compressed_size, byteorder, tx); + + dmu_buf_rele(db, FTAG); +} + +/* + * DMU support for xuio + */ +kstat_t *xuio_ksp = NULL; + +typedef struct xuio_stats { + /* loaned yet not returned arc_buf */ + kstat_named_t xuiostat_onloan_rbuf; + kstat_named_t xuiostat_onloan_wbuf; + /* whether a copy is made when loaning out a read buffer */ + kstat_named_t xuiostat_rbuf_copied; + kstat_named_t xuiostat_rbuf_nocopy; + /* whether a copy is made when assigning a write buffer */ + kstat_named_t xuiostat_wbuf_copied; + kstat_named_t xuiostat_wbuf_nocopy; +} xuio_stats_t; + +static xuio_stats_t xuio_stats = { + { "onloan_read_buf", KSTAT_DATA_UINT64 }, + { "onloan_write_buf", KSTAT_DATA_UINT64 }, + { "read_buf_copied", KSTAT_DATA_UINT64 }, + { "read_buf_nocopy", KSTAT_DATA_UINT64 }, + { "write_buf_copied", KSTAT_DATA_UINT64 }, + { "write_buf_nocopy", KSTAT_DATA_UINT64 } +}; + +#define XUIOSTAT_INCR(stat, val) \ + atomic_add_64(&xuio_stats.stat.value.ui64, (val)) +#define XUIOSTAT_BUMP(stat) XUIOSTAT_INCR(stat, 1) + +int +dmu_xuio_init(xuio_t *xuio, int nblk) +{ + dmu_xuio_t *priv; + uio_t *uio = &xuio->xu_uio; + + uio->uio_iovcnt = nblk; + uio->uio_iov = kmem_zalloc(nblk * sizeof (iovec_t), KM_SLEEP); + + priv = kmem_zalloc(sizeof (dmu_xuio_t), KM_SLEEP); + priv->cnt = nblk; + priv->bufs = kmem_zalloc(nblk * sizeof (arc_buf_t *), KM_SLEEP); + priv->iovp = (iovec_t *)uio->uio_iov; + XUIO_XUZC_PRIV(xuio) = priv; + + if (XUIO_XUZC_RW(xuio) == UIO_READ) + XUIOSTAT_INCR(xuiostat_onloan_rbuf, nblk); + else + XUIOSTAT_INCR(xuiostat_onloan_wbuf, nblk); + + return (0); +} + +void +dmu_xuio_fini(xuio_t *xuio) +{ + dmu_xuio_t *priv = XUIO_XUZC_PRIV(xuio); + int nblk = priv->cnt; + + kmem_free(priv->iovp, nblk * sizeof (iovec_t)); + kmem_free(priv->bufs, nblk * sizeof (arc_buf_t *)); + kmem_free(priv, sizeof (dmu_xuio_t)); + + if (XUIO_XUZC_RW(xuio) == UIO_READ) + XUIOSTAT_INCR(xuiostat_onloan_rbuf, -nblk); + else + XUIOSTAT_INCR(xuiostat_onloan_wbuf, -nblk); +} + +/* + * Initialize iov[priv->next] and priv->bufs[priv->next] with { off, n, abuf } + * and increase priv->next by 1. + */ +int +dmu_xuio_add(xuio_t *xuio, arc_buf_t *abuf, offset_t off, size_t n) +{ + struct iovec *iov; + uio_t *uio = &xuio->xu_uio; + dmu_xuio_t *priv = XUIO_XUZC_PRIV(xuio); + int i = priv->next++; + + ASSERT(i < priv->cnt); + ASSERT(off + n <= arc_buf_size(abuf)); + iov = (iovec_t *)uio->uio_iov + i; + iov->iov_base = (char *)abuf->b_data + off; + iov->iov_len = n; + priv->bufs[i] = abuf; + return (0); +} + +int +dmu_xuio_cnt(xuio_t *xuio) +{ + dmu_xuio_t *priv = XUIO_XUZC_PRIV(xuio); + return (priv->cnt); +} + +arc_buf_t * +dmu_xuio_arcbuf(xuio_t *xuio, int i) +{ + dmu_xuio_t *priv = XUIO_XUZC_PRIV(xuio); + + ASSERT(i < priv->cnt); + return (priv->bufs[i]); +} + +void +dmu_xuio_clear(xuio_t *xuio, int i) +{ + dmu_xuio_t *priv = XUIO_XUZC_PRIV(xuio); + + ASSERT(i < priv->cnt); + priv->bufs[i] = NULL; +} + +static void +xuio_stat_init(void) +{ + xuio_ksp = kstat_create("zfs", 0, "xuio_stats", "misc", + KSTAT_TYPE_NAMED, sizeof (xuio_stats) / sizeof (kstat_named_t), + KSTAT_FLAG_VIRTUAL); + if (xuio_ksp != NULL) { + xuio_ksp->ks_data = &xuio_stats; + kstat_install(xuio_ksp); + } +} + +static void +xuio_stat_fini(void) +{ + if (xuio_ksp != NULL) { + kstat_delete(xuio_ksp); + xuio_ksp = NULL; + } +} + +void +xuio_stat_wbuf_copied() +{ + XUIOSTAT_BUMP(xuiostat_wbuf_copied); +} + +void +xuio_stat_wbuf_nocopy() +{ + XUIOSTAT_BUMP(xuiostat_wbuf_nocopy); +} + +#ifdef _KERNEL + +/* + * Copy up to size bytes between arg_buf and req based on the data direction + * described by the req. If an entire req's data cannot be transfered in one + * pass, you should pass in @req_offset to indicate where to continue. The + * return value is the number of bytes successfully copied to arg_buf. + */ +static int +dmu_bio_copy(void *arg_buf, int size, struct bio *bio, size_t bio_offset) +{ + struct bio_vec bv, *bvp = &bv; + bvec_iterator_t iter; + char *bv_buf; + int tocpy, bv_len, bv_offset; + int offset = 0; + + bio_for_each_segment4(bv, bvp, bio, iter) { + + /* + * Fully consumed the passed arg_buf. We use goto here because + * rq_for_each_segment is a double loop + */ + ASSERT3S(offset, <=, size); + if (size == offset) + goto out; + + /* Skip already copied bvp */ + if (bio_offset >= bvp->bv_len) { + bio_offset -= bvp->bv_len; + continue; + } + + bv_len = bvp->bv_len - bio_offset; + bv_offset = bvp->bv_offset + bio_offset; + bio_offset = 0; + + tocpy = MIN(bv_len, size - offset); + ASSERT3S(tocpy, >=, 0); + + bv_buf = page_address(bvp->bv_page) + bv_offset; + ASSERT3P(bv_buf, !=, NULL); + + if (bio_data_dir(bio) == WRITE) + memcpy(arg_buf + offset, bv_buf, tocpy); + else + memcpy(bv_buf, arg_buf + offset, tocpy); + + offset += tocpy; + } +out: + return (offset); +} + +int +dmu_read_bio(objset_t *os, uint64_t object, struct bio *bio) +{ + uint64_t offset = BIO_BI_SECTOR(bio) << 9; + uint64_t size = BIO_BI_SIZE(bio); + dmu_buf_t **dbp; + int numbufs, i, err; + size_t bio_offset; + + /* + * NB: we could do this block-at-a-time, but it's nice + * to be reading in parallel. + */ + err = dmu_buf_hold_array(os, object, offset, size, TRUE, FTAG, + &numbufs, &dbp); + if (err) + return (err); + + bio_offset = 0; + for (i = 0; i < numbufs; i++) { + uint64_t tocpy; + int64_t bufoff; + int didcpy; + dmu_buf_t *db = dbp[i]; + + bufoff = offset - db->db_offset; + ASSERT3S(bufoff, >=, 0); + + tocpy = MIN(db->db_size - bufoff, size); + if (tocpy == 0) + break; + + didcpy = dmu_bio_copy(db->db_data + bufoff, tocpy, bio, + bio_offset); + + if (didcpy < tocpy) + err = EIO; + + if (err) + break; + + size -= tocpy; + offset += didcpy; + bio_offset += didcpy; + err = 0; + } + dmu_buf_rele_array(dbp, numbufs, FTAG); + + return (err); +} + +int +dmu_write_bio(objset_t *os, uint64_t object, struct bio *bio, dmu_tx_t *tx) +{ + uint64_t offset = BIO_BI_SECTOR(bio) << 9; + uint64_t size = BIO_BI_SIZE(bio); + dmu_buf_t **dbp; + int numbufs, i, err; + size_t bio_offset; + + if (size == 0) + return (0); + + err = dmu_buf_hold_array(os, object, offset, size, FALSE, FTAG, + &numbufs, &dbp); + if (err) + return (err); + + bio_offset = 0; + for (i = 0; i < numbufs; i++) { + uint64_t tocpy; + int64_t bufoff; + int didcpy; + dmu_buf_t *db = dbp[i]; + + bufoff = offset - db->db_offset; + ASSERT3S(bufoff, >=, 0); + + tocpy = MIN(db->db_size - bufoff, size); + if (tocpy == 0) + break; + + ASSERT(i == 0 || i == numbufs-1 || tocpy == db->db_size); + + if (tocpy == db->db_size) + dmu_buf_will_fill(db, tx); + else + dmu_buf_will_dirty(db, tx); + + didcpy = dmu_bio_copy(db->db_data + bufoff, tocpy, bio, + bio_offset); + + if (tocpy == db->db_size) + dmu_buf_fill_done(db, tx); + + if (didcpy < tocpy) + err = EIO; + + if (err) + break; + + size -= tocpy; + offset += didcpy; + bio_offset += didcpy; + err = 0; + } + + dmu_buf_rele_array(dbp, numbufs, FTAG); + return (err); +} + +static int +dmu_read_uio_dnode(dnode_t *dn, uio_t *uio, uint64_t size) +{ + dmu_buf_t **dbp; + int numbufs, i, err; + xuio_t *xuio = NULL; + + /* + * NB: we could do this block-at-a-time, but it's nice + * to be reading in parallel. + */ + err = dmu_buf_hold_array_by_dnode(dn, uio->uio_loffset, size, + TRUE, FTAG, &numbufs, &dbp, 0); + if (err) + return (err); + + for (i = 0; i < numbufs; i++) { + uint64_t tocpy; + int64_t bufoff; + dmu_buf_t *db = dbp[i]; + + ASSERT(size > 0); + + bufoff = uio->uio_loffset - db->db_offset; + tocpy = MIN(db->db_size - bufoff, size); + + if (xuio) { + dmu_buf_impl_t *dbi = (dmu_buf_impl_t *)db; + arc_buf_t *dbuf_abuf = dbi->db_buf; + arc_buf_t *abuf = dbuf_loan_arcbuf(dbi); + err = dmu_xuio_add(xuio, abuf, bufoff, tocpy); + if (!err) { + uio->uio_resid -= tocpy; + uio->uio_loffset += tocpy; + } + + if (abuf == dbuf_abuf) + XUIOSTAT_BUMP(xuiostat_rbuf_nocopy); + else + XUIOSTAT_BUMP(xuiostat_rbuf_copied); + } else { + err = uiomove((char *)db->db_data + bufoff, tocpy, + UIO_READ, uio); + } + if (err) + break; + + size -= tocpy; + } + dmu_buf_rele_array(dbp, numbufs, FTAG); + + return (err); +} + +/* + * Read 'size' bytes into the uio buffer. + * From object zdb->db_object. + * Starting at offset uio->uio_loffset. + * + * If the caller already has a dbuf in the target object + * (e.g. its bonus buffer), this routine is faster than dmu_read_uio(), + * because we don't have to find the dnode_t for the object. + */ +int +dmu_read_uio_dbuf(dmu_buf_t *zdb, uio_t *uio, uint64_t size) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)zdb; + dnode_t *dn; + int err; + + if (size == 0) + return (0); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + err = dmu_read_uio_dnode(dn, uio, size); + DB_DNODE_EXIT(db); + + return (err); +} + +/* + * Read 'size' bytes into the uio buffer. + * From the specified object + * Starting at offset uio->uio_loffset. + */ +int +dmu_read_uio(objset_t *os, uint64_t object, uio_t *uio, uint64_t size) +{ + dnode_t *dn; + int err; + + if (size == 0) + return (0); + + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + + err = dmu_read_uio_dnode(dn, uio, size); + + dnode_rele(dn, FTAG); + + return (err); +} + +static int +dmu_write_uio_dnode(dnode_t *dn, uio_t *uio, uint64_t size, dmu_tx_t *tx) +{ + dmu_buf_t **dbp; + int numbufs; + int err = 0; + int i; + + err = dmu_buf_hold_array_by_dnode(dn, uio->uio_loffset, size, + FALSE, FTAG, &numbufs, &dbp, DMU_READ_PREFETCH); + if (err) + return (err); + + for (i = 0; i < numbufs; i++) { + uint64_t tocpy; + int64_t bufoff; + dmu_buf_t *db = dbp[i]; + + ASSERT(size > 0); + + bufoff = uio->uio_loffset - db->db_offset; + tocpy = MIN(db->db_size - bufoff, size); + + ASSERT(i == 0 || i == numbufs-1 || tocpy == db->db_size); + + if (tocpy == db->db_size) + dmu_buf_will_fill(db, tx); + else + dmu_buf_will_dirty(db, tx); + + /* + * XXX uiomove could block forever (eg.nfs-backed + * pages). There needs to be a uiolockdown() function + * to lock the pages in memory, so that uiomove won't + * block. + */ + err = uiomove((char *)db->db_data + bufoff, tocpy, + UIO_WRITE, uio); + + if (tocpy == db->db_size) + dmu_buf_fill_done(db, tx); + + if (err) + break; + + size -= tocpy; + } + + dmu_buf_rele_array(dbp, numbufs, FTAG); + return (err); +} + +/* + * Write 'size' bytes from the uio buffer. + * To object zdb->db_object. + * Starting at offset uio->uio_loffset. + * + * If the caller already has a dbuf in the target object + * (e.g. its bonus buffer), this routine is faster than dmu_write_uio(), + * because we don't have to find the dnode_t for the object. + */ +int +dmu_write_uio_dbuf(dmu_buf_t *zdb, uio_t *uio, uint64_t size, + dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)zdb; + dnode_t *dn; + int err; + + if (size == 0) + return (0); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + err = dmu_write_uio_dnode(dn, uio, size, tx); + DB_DNODE_EXIT(db); + + return (err); +} + +/* + * Write 'size' bytes from the uio buffer. + * To the specified object. + * Starting at offset uio->uio_loffset. + */ +int +dmu_write_uio(objset_t *os, uint64_t object, uio_t *uio, uint64_t size, + dmu_tx_t *tx) +{ + dnode_t *dn; + int err; + + if (size == 0) + return (0); + + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + + err = dmu_write_uio_dnode(dn, uio, size, tx); + + dnode_rele(dn, FTAG); + + return (err); +} +#endif /* _KERNEL */ + +/* + * Allocate a loaned anonymous arc buffer. + */ +arc_buf_t * +dmu_request_arcbuf(dmu_buf_t *handle, int size) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)handle; + + return (arc_loan_buf(db->db_objset->os_spa, size)); +} + +/* + * Free a loaned arc buffer. + */ +void +dmu_return_arcbuf(arc_buf_t *buf) +{ + arc_return_buf(buf, FTAG); + VERIFY(arc_buf_remove_ref(buf, FTAG)); +} + +/* + * When possible directly assign passed loaned arc buffer to a dbuf. + * If this is not possible copy the contents of passed arc buf via + * dmu_write(). + */ +void +dmu_assign_arcbuf(dmu_buf_t *handle, uint64_t offset, arc_buf_t *buf, + dmu_tx_t *tx) +{ + dmu_buf_impl_t *dbuf = (dmu_buf_impl_t *)handle; + dnode_t *dn; + dmu_buf_impl_t *db; + uint32_t blksz = (uint32_t)arc_buf_size(buf); + uint64_t blkid; + + DB_DNODE_ENTER(dbuf); + dn = DB_DNODE(dbuf); + rw_enter(&dn->dn_struct_rwlock, RW_READER); + blkid = dbuf_whichblock(dn, offset); + VERIFY((db = dbuf_hold(dn, blkid, FTAG)) != NULL); + rw_exit(&dn->dn_struct_rwlock); + DB_DNODE_EXIT(dbuf); + + /* + * We can only assign if the offset is aligned, the arc buf is the + * same size as the dbuf, and the dbuf is not metadata. It + * can't be metadata because the loaned arc buf comes from the + * user-data kmem area. + */ + if (offset == db->db.db_offset && blksz == db->db.db_size && + DBUF_GET_BUFC_TYPE(db) == ARC_BUFC_DATA) { + dbuf_assign_arcbuf(db, buf, tx); + dbuf_rele(db, FTAG); + } else { + objset_t *os; + uint64_t object; + + DB_DNODE_ENTER(dbuf); + dn = DB_DNODE(dbuf); + os = dn->dn_objset; + object = dn->dn_object; + DB_DNODE_EXIT(dbuf); + + dbuf_rele(db, FTAG); + dmu_write(os, object, offset, blksz, buf->b_data, tx); + dmu_return_arcbuf(buf); + XUIOSTAT_BUMP(xuiostat_wbuf_copied); + } +} + +typedef struct { + dbuf_dirty_record_t *dsa_dr; + dmu_sync_cb_t *dsa_done; + zgd_t *dsa_zgd; + dmu_tx_t *dsa_tx; +} dmu_sync_arg_t; + +/* ARGSUSED */ +static void +dmu_sync_ready(zio_t *zio, arc_buf_t *buf, void *varg) +{ + dmu_sync_arg_t *dsa = varg; + dmu_buf_t *db = dsa->dsa_zgd->zgd_db; + blkptr_t *bp = zio->io_bp; + + if (zio->io_error == 0) { + if (BP_IS_HOLE(bp)) { + /* + * A block of zeros may compress to a hole, but the + * block size still needs to be known for replay. + */ + BP_SET_LSIZE(bp, db->db_size); + } else if (!BP_IS_EMBEDDED(bp)) { + ASSERT(BP_GET_LEVEL(bp) == 0); + bp->blk_fill = 1; + } + } +} + +static void +dmu_sync_late_arrival_ready(zio_t *zio) +{ + dmu_sync_ready(zio, NULL, zio->io_private); +} + +/* ARGSUSED */ +static void +dmu_sync_done(zio_t *zio, arc_buf_t *buf, void *varg) +{ + dmu_sync_arg_t *dsa = varg; + dbuf_dirty_record_t *dr = dsa->dsa_dr; + dmu_buf_impl_t *db = dr->dr_dbuf; + + mutex_enter(&db->db_mtx); + ASSERT(dr->dt.dl.dr_override_state == DR_IN_DMU_SYNC); + if (zio->io_error == 0) { + dr->dt.dl.dr_nopwrite = !!(zio->io_flags & ZIO_FLAG_NOPWRITE); + if (dr->dt.dl.dr_nopwrite) { + ASSERTV(blkptr_t *bp = zio->io_bp); + ASSERTV(blkptr_t *bp_orig = &zio->io_bp_orig); + ASSERTV(uint8_t chksum = BP_GET_CHECKSUM(bp_orig)); + + ASSERT(BP_EQUAL(bp, bp_orig)); + ASSERT(zio->io_prop.zp_compress != ZIO_COMPRESS_OFF); + ASSERT(zio_checksum_table[chksum].ci_dedup); + } + dr->dt.dl.dr_overridden_by = *zio->io_bp; + dr->dt.dl.dr_override_state = DR_OVERRIDDEN; + dr->dt.dl.dr_copies = zio->io_prop.zp_copies; + + /* + * Old style holes are filled with all zeros, whereas + * new-style holes maintain their lsize, type, level, + * and birth time (see zio_write_compress). While we + * need to reset the BP_SET_LSIZE() call that happened + * in dmu_sync_ready for old style holes, we do *not* + * want to wipe out the information contained in new + * style holes. Thus, only zero out the block pointer if + * it's an old style hole. + */ + if (BP_IS_HOLE(&dr->dt.dl.dr_overridden_by) && + dr->dt.dl.dr_overridden_by.blk_birth == 0) + BP_ZERO(&dr->dt.dl.dr_overridden_by); + } else { + dr->dt.dl.dr_override_state = DR_NOT_OVERRIDDEN; + } + cv_broadcast(&db->db_changed); + mutex_exit(&db->db_mtx); + + dsa->dsa_done(dsa->dsa_zgd, zio->io_error); + + kmem_free(dsa, sizeof (*dsa)); +} + +static void +dmu_sync_late_arrival_done(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + dmu_sync_arg_t *dsa = zio->io_private; + ASSERTV(blkptr_t *bp_orig = &zio->io_bp_orig); + + if (zio->io_error == 0 && !BP_IS_HOLE(bp)) { + /* + * If we didn't allocate a new block (i.e. ZIO_FLAG_NOPWRITE) + * then there is nothing to do here. Otherwise, free the + * newly allocated block in this txg. + */ + if (zio->io_flags & ZIO_FLAG_NOPWRITE) { + ASSERT(BP_EQUAL(bp, bp_orig)); + } else { + ASSERT(BP_IS_HOLE(bp_orig) || !BP_EQUAL(bp, bp_orig)); + ASSERT(zio->io_bp->blk_birth == zio->io_txg); + ASSERT(zio->io_txg > spa_syncing_txg(zio->io_spa)); + zio_free(zio->io_spa, zio->io_txg, zio->io_bp); + } + } + + dmu_tx_commit(dsa->dsa_tx); + + dsa->dsa_done(dsa->dsa_zgd, zio->io_error); + + kmem_free(dsa, sizeof (*dsa)); +} + +static int +dmu_sync_late_arrival(zio_t *pio, objset_t *os, dmu_sync_cb_t *done, zgd_t *zgd, + zio_prop_t *zp, zbookmark_phys_t *zb) +{ + dmu_sync_arg_t *dsa; + dmu_tx_t *tx; + + tx = dmu_tx_create(os); + dmu_tx_hold_space(tx, zgd->zgd_db->db_size); + if (dmu_tx_assign(tx, TXG_WAIT) != 0) { + dmu_tx_abort(tx); + /* Make zl_get_data do txg_waited_synced() */ + return (SET_ERROR(EIO)); + } + + dsa = kmem_alloc(sizeof (dmu_sync_arg_t), KM_SLEEP); + dsa->dsa_dr = NULL; + dsa->dsa_done = done; + dsa->dsa_zgd = zgd; + dsa->dsa_tx = tx; + + zio_nowait(zio_write(pio, os->os_spa, dmu_tx_get_txg(tx), zgd->zgd_bp, + zgd->zgd_db->db_data, zgd->zgd_db->db_size, zp, + dmu_sync_late_arrival_ready, NULL, dmu_sync_late_arrival_done, dsa, + ZIO_PRIORITY_SYNC_WRITE, ZIO_FLAG_CANFAIL|ZIO_FLAG_FASTWRITE, zb)); + + return (0); +} + +/* + * Intent log support: sync the block associated with db to disk. + * N.B. and XXX: the caller is responsible for making sure that the + * data isn't changing while dmu_sync() is writing it. + * + * Return values: + * + * EEXIST: this txg has already been synced, so there's nothing to do. + * The caller should not log the write. + * + * ENOENT: the block was dbuf_free_range()'d, so there's nothing to do. + * The caller should not log the write. + * + * EALREADY: this block is already in the process of being synced. + * The caller should track its progress (somehow). + * + * EIO: could not do the I/O. + * The caller should do a txg_wait_synced(). + * + * 0: the I/O has been initiated. + * The caller should log this blkptr in the done callback. + * It is possible that the I/O will fail, in which case + * the error will be reported to the done callback and + * propagated to pio from zio_done(). + */ +int +dmu_sync(zio_t *pio, uint64_t txg, dmu_sync_cb_t *done, zgd_t *zgd) +{ + blkptr_t *bp = zgd->zgd_bp; + dmu_buf_impl_t *db = (dmu_buf_impl_t *)zgd->zgd_db; + objset_t *os = db->db_objset; + dsl_dataset_t *ds = os->os_dsl_dataset; + dbuf_dirty_record_t *dr; + dmu_sync_arg_t *dsa; + zbookmark_phys_t zb; + zio_prop_t zp; + dnode_t *dn; + + ASSERT(pio != NULL); + ASSERT(txg != 0); + + SET_BOOKMARK(&zb, ds->ds_object, + db->db.db_object, db->db_level, db->db_blkid); + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + dmu_write_policy(os, dn, db->db_level, WP_DMU_SYNC, &zp); + DB_DNODE_EXIT(db); + + /* + * If we're frozen (running ziltest), we always need to generate a bp. + */ + if (txg > spa_freeze_txg(os->os_spa)) + return (dmu_sync_late_arrival(pio, os, done, zgd, &zp, &zb)); + + /* + * Grabbing db_mtx now provides a barrier between dbuf_sync_leaf() + * and us. If we determine that this txg is not yet syncing, + * but it begins to sync a moment later, that's OK because the + * sync thread will block in dbuf_sync_leaf() until we drop db_mtx. + */ + mutex_enter(&db->db_mtx); + + if (txg <= spa_last_synced_txg(os->os_spa)) { + /* + * This txg has already synced. There's nothing to do. + */ + mutex_exit(&db->db_mtx); + return (SET_ERROR(EEXIST)); + } + + if (txg <= spa_syncing_txg(os->os_spa)) { + /* + * This txg is currently syncing, so we can't mess with + * the dirty record anymore; just write a new log block. + */ + mutex_exit(&db->db_mtx); + return (dmu_sync_late_arrival(pio, os, done, zgd, &zp, &zb)); + } + + dr = db->db_last_dirty; + while (dr && dr->dr_txg != txg) + dr = dr->dr_next; + + if (dr == NULL) { + /* + * There's no dr for this dbuf, so it must have been freed. + * There's no need to log writes to freed blocks, so we're done. + */ + mutex_exit(&db->db_mtx); + return (SET_ERROR(ENOENT)); + } + + ASSERT(dr->dr_next == NULL || dr->dr_next->dr_txg < txg); + + /* + * Assume the on-disk data is X, the current syncing data (in + * txg - 1) is Y, and the current in-memory data is Z (currently + * in dmu_sync). + * + * We usually want to perform a nopwrite if X and Z are the + * same. However, if Y is different (i.e. the BP is going to + * change before this write takes effect), then a nopwrite will + * be incorrect - we would override with X, which could have + * been freed when Y was written. + * + * (Note that this is not a concern when we are nop-writing from + * syncing context, because X and Y must be identical, because + * all previous txgs have been synced.) + * + * Therefore, we disable nopwrite if the current BP could change + * before this TXG. There are two ways it could change: by + * being dirty (dr_next is non-NULL), or by being freed + * (dnode_block_freed()). This behavior is verified by + * zio_done(), which VERIFYs that the override BP is identical + * to the on-disk BP. + */ + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + if (dr->dr_next != NULL || dnode_block_freed(dn, db->db_blkid)) + zp.zp_nopwrite = B_FALSE; + DB_DNODE_EXIT(db); + + ASSERT(dr->dr_txg == txg); + if (dr->dt.dl.dr_override_state == DR_IN_DMU_SYNC || + dr->dt.dl.dr_override_state == DR_OVERRIDDEN) { + /* + * We have already issued a sync write for this buffer, + * or this buffer has already been synced. It could not + * have been dirtied since, or we would have cleared the state. + */ + mutex_exit(&db->db_mtx); + return (SET_ERROR(EALREADY)); + } + + ASSERT(dr->dt.dl.dr_override_state == DR_NOT_OVERRIDDEN); + dr->dt.dl.dr_override_state = DR_IN_DMU_SYNC; + mutex_exit(&db->db_mtx); + + dsa = kmem_alloc(sizeof (dmu_sync_arg_t), KM_SLEEP); + dsa->dsa_dr = dr; + dsa->dsa_done = done; + dsa->dsa_zgd = zgd; + dsa->dsa_tx = NULL; + + zio_nowait(arc_write(pio, os->os_spa, txg, + bp, dr->dt.dl.dr_data, DBUF_IS_L2CACHEABLE(db), + DBUF_IS_L2COMPRESSIBLE(db), &zp, dmu_sync_ready, + NULL, dmu_sync_done, dsa, ZIO_PRIORITY_SYNC_WRITE, + ZIO_FLAG_CANFAIL, &zb)); + + return (0); +} + +int +dmu_object_set_blocksize(objset_t *os, uint64_t object, uint64_t size, int ibs, + dmu_tx_t *tx) +{ + dnode_t *dn; + int err; + + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + err = dnode_set_blksz(dn, size, ibs, tx); + dnode_rele(dn, FTAG); + return (err); +} + +void +dmu_object_set_checksum(objset_t *os, uint64_t object, uint8_t checksum, + dmu_tx_t *tx) +{ + dnode_t *dn; + + /* + * Send streams include each object's checksum function. This + * check ensures that the receiving system can understand the + * checksum function transmitted. + */ + ASSERT3U(checksum, <, ZIO_CHECKSUM_LEGACY_FUNCTIONS); + + VERIFY0(dnode_hold(os, object, FTAG, &dn)); + ASSERT3U(checksum, <, ZIO_CHECKSUM_FUNCTIONS); + dn->dn_checksum = checksum; + dnode_setdirty(dn, tx); + dnode_rele(dn, FTAG); +} + +void +dmu_object_set_compress(objset_t *os, uint64_t object, uint8_t compress, + dmu_tx_t *tx) +{ + dnode_t *dn; + + /* + * Send streams include each object's compression function. This + * check ensures that the receiving system can understand the + * compression function transmitted. + */ + ASSERT3U(compress, <, ZIO_COMPRESS_LEGACY_FUNCTIONS); + + VERIFY0(dnode_hold(os, object, FTAG, &dn)); + dn->dn_compress = compress; + dnode_setdirty(dn, tx); + dnode_rele(dn, FTAG); +} + +int zfs_mdcomp_disable = 0; + +/* + * When the "redundant_metadata" property is set to "most", only indirect + * blocks of this level and higher will have an additional ditto block. + */ +int zfs_redundant_metadata_most_ditto_level = 2; + +void +dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, zio_prop_t *zp) +{ + dmu_object_type_t type = dn ? dn->dn_type : DMU_OT_OBJSET; + boolean_t ismd = (level > 0 || DMU_OT_IS_METADATA(type) || + (wp & WP_SPILL)); + enum zio_checksum checksum = os->os_checksum; + enum zio_compress compress = os->os_compress; + enum zio_checksum dedup_checksum = os->os_dedup_checksum; + boolean_t dedup = B_FALSE; + boolean_t nopwrite = B_FALSE; + boolean_t dedup_verify = os->os_dedup_verify; + int copies = os->os_copies; + + /* + * We maintain different write policies for each of the following + * types of data: + * 1. metadata + * 2. preallocated blocks (i.e. level-0 blocks of a dump device) + * 3. all other level 0 blocks + */ + if (ismd) { + if (zfs_mdcomp_disable) { + compress = ZIO_COMPRESS_EMPTY; + } else { + /* + * XXX -- we should design a compression algorithm + * that specializes in arrays of bps. + */ + compress = zio_compress_select(os->os_spa, + ZIO_COMPRESS_ON, ZIO_COMPRESS_ON); + } + + /* + * Metadata always gets checksummed. If the data + * checksum is multi-bit correctable, and it's not a + * ZBT-style checksum, then it's suitable for metadata + * as well. Otherwise, the metadata checksum defaults + * to fletcher4. + */ + if (zio_checksum_table[checksum].ci_correctable < 1 || + zio_checksum_table[checksum].ci_eck) + checksum = ZIO_CHECKSUM_FLETCHER_4; + + if (os->os_redundant_metadata == ZFS_REDUNDANT_METADATA_ALL || + (os->os_redundant_metadata == + ZFS_REDUNDANT_METADATA_MOST && + (level >= zfs_redundant_metadata_most_ditto_level || + DMU_OT_IS_METADATA(type) || (wp & WP_SPILL)))) + copies++; + } else if (wp & WP_NOFILL) { + ASSERT(level == 0); + + /* + * If we're writing preallocated blocks, we aren't actually + * writing them so don't set any policy properties. These + * blocks are currently only used by an external subsystem + * outside of zfs (i.e. dump) and not written by the zio + * pipeline. + */ + compress = ZIO_COMPRESS_OFF; + checksum = ZIO_CHECKSUM_OFF; + } else { + compress = zio_compress_select(os->os_spa, dn->dn_compress, + compress); + + checksum = (dedup_checksum == ZIO_CHECKSUM_OFF) ? + zio_checksum_select(dn->dn_checksum, checksum) : + dedup_checksum; + + /* + * Determine dedup setting. If we are in dmu_sync(), + * we won't actually dedup now because that's all + * done in syncing context; but we do want to use the + * dedup checkum. If the checksum is not strong + * enough to ensure unique signatures, force + * dedup_verify. + */ + if (dedup_checksum != ZIO_CHECKSUM_OFF) { + dedup = (wp & WP_DMU_SYNC) ? B_FALSE : B_TRUE; + if (!zio_checksum_table[checksum].ci_dedup) + dedup_verify = B_TRUE; + } + + /* + * Enable nopwrite if we have a cryptographically secure + * checksum that has no known collisions (i.e. SHA-256) + * and compression is enabled. We don't enable nopwrite if + * dedup is enabled as the two features are mutually exclusive. + */ + nopwrite = (!dedup && zio_checksum_table[checksum].ci_dedup && + compress != ZIO_COMPRESS_OFF && zfs_nopwrite_enabled); + } + + zp->zp_checksum = checksum; + zp->zp_compress = compress; + zp->zp_type = (wp & WP_SPILL) ? dn->dn_bonustype : type; + zp->zp_level = level; + zp->zp_copies = MIN(copies, spa_max_replication(os->os_spa)); + zp->zp_dedup = dedup; + zp->zp_dedup_verify = dedup && dedup_verify; + zp->zp_nopwrite = nopwrite; +} + +int +dmu_offset_next(objset_t *os, uint64_t object, boolean_t hole, uint64_t *off) +{ + dnode_t *dn; + int i, err; + + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + /* + * Sync any current changes before + * we go trundling through the block pointers. + */ + for (i = 0; i < TXG_SIZE; i++) { + if (list_link_active(&dn->dn_dirty_link[i])) + break; + } + if (i != TXG_SIZE) { + dnode_rele(dn, FTAG); + txg_wait_synced(dmu_objset_pool(os), 0); + err = dnode_hold(os, object, FTAG, &dn); + if (err) + return (err); + } + + err = dnode_next_offset(dn, (hole ? DNODE_FIND_HOLE : 0), off, 1, 1, 0); + dnode_rele(dn, FTAG); + + return (err); +} + +void +__dmu_object_info_from_dnode(dnode_t *dn, dmu_object_info_t *doi) +{ + dnode_phys_t *dnp = dn->dn_phys; + int i; + + doi->doi_data_block_size = dn->dn_datablksz; + doi->doi_metadata_block_size = dn->dn_indblkshift ? + 1ULL << dn->dn_indblkshift : 0; + doi->doi_type = dn->dn_type; + doi->doi_bonus_type = dn->dn_bonustype; + doi->doi_bonus_size = dn->dn_bonuslen; + doi->doi_indirection = dn->dn_nlevels; + doi->doi_checksum = dn->dn_checksum; + doi->doi_compress = dn->dn_compress; + doi->doi_nblkptr = dn->dn_nblkptr; + doi->doi_physical_blocks_512 = (DN_USED_BYTES(dnp) + 256) >> 9; + doi->doi_max_offset = (dn->dn_maxblkid + 1) * dn->dn_datablksz; + doi->doi_fill_count = 0; + for (i = 0; i < dnp->dn_nblkptr; i++) + doi->doi_fill_count += BP_GET_FILL(&dnp->dn_blkptr[i]); +} + +void +dmu_object_info_from_dnode(dnode_t *dn, dmu_object_info_t *doi) +{ + rw_enter(&dn->dn_struct_rwlock, RW_READER); + mutex_enter(&dn->dn_mtx); + + __dmu_object_info_from_dnode(dn, doi); + + mutex_exit(&dn->dn_mtx); + rw_exit(&dn->dn_struct_rwlock); +} + +/* + * Get information on a DMU object. + * If doi is NULL, just indicates whether the object exists. + */ +int +dmu_object_info(objset_t *os, uint64_t object, dmu_object_info_t *doi) +{ + dnode_t *dn; + int err = dnode_hold(os, object, FTAG, &dn); + + if (err) + return (err); + + if (doi != NULL) + dmu_object_info_from_dnode(dn, doi); + + dnode_rele(dn, FTAG); + return (0); +} + +/* + * As above, but faster; can be used when you have a held dbuf in hand. + */ +void +dmu_object_info_from_db(dmu_buf_t *db_fake, dmu_object_info_t *doi) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + + DB_DNODE_ENTER(db); + dmu_object_info_from_dnode(DB_DNODE(db), doi); + DB_DNODE_EXIT(db); +} + +/* + * Faster still when you only care about the size. + * This is specifically optimized for zfs_getattr(). + */ +void +dmu_object_size_from_db(dmu_buf_t *db_fake, uint32_t *blksize, + u_longlong_t *nblk512) +{ + dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake; + dnode_t *dn; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + + *blksize = dn->dn_datablksz; + /* add 1 for dnode space */ + *nblk512 = ((DN_USED_BYTES(dn->dn_phys) + SPA_MINBLOCKSIZE/2) >> + SPA_MINBLOCKSHIFT) + 1; + DB_DNODE_EXIT(db); +} + +void +byteswap_uint64_array(void *vbuf, size_t size) +{ + uint64_t *buf = vbuf; + size_t count = size >> 3; + int i; + + ASSERT((size & 7) == 0); + + for (i = 0; i < count; i++) + buf[i] = BSWAP_64(buf[i]); +} + +void +byteswap_uint32_array(void *vbuf, size_t size) +{ + uint32_t *buf = vbuf; + size_t count = size >> 2; + int i; + + ASSERT((size & 3) == 0); + + for (i = 0; i < count; i++) + buf[i] = BSWAP_32(buf[i]); +} + +void +byteswap_uint16_array(void *vbuf, size_t size) +{ + uint16_t *buf = vbuf; + size_t count = size >> 1; + int i; + + ASSERT((size & 1) == 0); + + for (i = 0; i < count; i++) + buf[i] = BSWAP_16(buf[i]); +} + +/* ARGSUSED */ +void +byteswap_uint8_array(void *vbuf, size_t size) +{ +} + +void +dmu_init(void) +{ + zfs_dbgmsg_init(); + sa_cache_init(); + xuio_stat_init(); + dmu_objset_init(); + dnode_init(); + dbuf_init(); + zfetch_init(); + dmu_tx_init(); + l2arc_init(); + arc_init(); +} + +void +dmu_fini(void) +{ + arc_fini(); /* arc depends on l2arc, so arc must go first */ + l2arc_fini(); + dmu_tx_fini(); + zfetch_fini(); + dbuf_fini(); + dnode_fini(); + dmu_objset_fini(); + xuio_stat_fini(); + sa_cache_fini(); + zfs_dbgmsg_fini(); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dmu_bonus_hold); +EXPORT_SYMBOL(dmu_buf_hold_array_by_bonus); +EXPORT_SYMBOL(dmu_buf_rele_array); +EXPORT_SYMBOL(dmu_prefetch); +EXPORT_SYMBOL(dmu_free_range); +EXPORT_SYMBOL(dmu_free_long_range); +EXPORT_SYMBOL(dmu_free_long_object); +EXPORT_SYMBOL(dmu_read); +EXPORT_SYMBOL(dmu_write); +EXPORT_SYMBOL(dmu_prealloc); +EXPORT_SYMBOL(dmu_object_info); +EXPORT_SYMBOL(dmu_object_info_from_dnode); +EXPORT_SYMBOL(dmu_object_info_from_db); +EXPORT_SYMBOL(dmu_object_size_from_db); +EXPORT_SYMBOL(dmu_object_set_blocksize); +EXPORT_SYMBOL(dmu_object_set_checksum); +EXPORT_SYMBOL(dmu_object_set_compress); +EXPORT_SYMBOL(dmu_write_policy); +EXPORT_SYMBOL(dmu_sync); +EXPORT_SYMBOL(dmu_request_arcbuf); +EXPORT_SYMBOL(dmu_return_arcbuf); +EXPORT_SYMBOL(dmu_assign_arcbuf); +EXPORT_SYMBOL(dmu_buf_hold); +EXPORT_SYMBOL(dmu_ot); + +module_param(zfs_mdcomp_disable, int, 0644); +MODULE_PARM_DESC(zfs_mdcomp_disable, "Disable meta data compression"); + +module_param(zfs_nopwrite_enabled, int, 0644); +MODULE_PARM_DESC(zfs_nopwrite_enabled, "Enable NOP writes"); + +#endif diff --git a/zfs/module/zfs/dmu_diff.c b/zfs/module/zfs/dmu_diff.c new file mode 100644 index 000000000000..91415d0d2dcb --- /dev/null +++ b/zfs/module/zfs/dmu_diff.c @@ -0,0 +1,223 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct diffarg { + struct vnode *da_vp; /* file to which we are reporting */ + offset_t *da_offp; + int da_err; /* error that stopped diff search */ + dmu_diff_record_t da_ddr; +}; + +static int +write_record(struct diffarg *da) +{ + ssize_t resid; /* have to get resid to get detailed errno */ + + if (da->da_ddr.ddr_type == DDR_NONE) { + da->da_err = 0; + return (0); + } + + da->da_err = vn_rdwr(UIO_WRITE, da->da_vp, (caddr_t)&da->da_ddr, + sizeof (da->da_ddr), 0, UIO_SYSSPACE, FAPPEND, + RLIM64_INFINITY, CRED(), &resid); + *da->da_offp += sizeof (da->da_ddr); + return (da->da_err); +} + +static int +report_free_dnode_range(struct diffarg *da, uint64_t first, uint64_t last) +{ + ASSERT(first <= last); + if (da->da_ddr.ddr_type != DDR_FREE || + first != da->da_ddr.ddr_last + 1) { + if (write_record(da) != 0) + return (da->da_err); + da->da_ddr.ddr_type = DDR_FREE; + da->da_ddr.ddr_first = first; + da->da_ddr.ddr_last = last; + return (0); + } + da->da_ddr.ddr_last = last; + return (0); +} + +static int +report_dnode(struct diffarg *da, uint64_t object, dnode_phys_t *dnp) +{ + ASSERT(dnp != NULL); + if (dnp->dn_type == DMU_OT_NONE) + return (report_free_dnode_range(da, object, object)); + + if (da->da_ddr.ddr_type != DDR_INUSE || + object != da->da_ddr.ddr_last + 1) { + if (write_record(da) != 0) + return (da->da_err); + da->da_ddr.ddr_type = DDR_INUSE; + da->da_ddr.ddr_first = da->da_ddr.ddr_last = object; + return (0); + } + da->da_ddr.ddr_last = object; + return (0); +} + +#define DBP_SPAN(dnp, level) \ + (((uint64_t)dnp->dn_datablkszsec) << (SPA_MINBLOCKSHIFT + \ + (level) * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) + +/* ARGSUSED */ +static int +diff_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) +{ + struct diffarg *da = arg; + int err = 0; + + if (issig(JUSTLOOKING) && issig(FORREAL)) + return (SET_ERROR(EINTR)); + + if (zb->zb_object != DMU_META_DNODE_OBJECT) + return (0); + + if (BP_IS_HOLE(bp)) { + uint64_t span = DBP_SPAN(dnp, zb->zb_level); + uint64_t dnobj = (zb->zb_blkid * span) >> DNODE_SHIFT; + + err = report_free_dnode_range(da, dnobj, + dnobj + (span >> DNODE_SHIFT) - 1); + if (err) + return (err); + } else if (zb->zb_level == 0) { + dnode_phys_t *blk; + arc_buf_t *abuf; + arc_flags_t aflags = ARC_FLAG_WAIT; + int blksz = BP_GET_LSIZE(bp); + int i; + + if (arc_read(NULL, spa, bp, arc_getbuf_func, &abuf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, + &aflags, zb) != 0) + return (SET_ERROR(EIO)); + + blk = abuf->b_data; + for (i = 0; i < blksz >> DNODE_SHIFT; i++) { + uint64_t dnobj = (zb->zb_blkid << + (DNODE_BLOCK_SHIFT - DNODE_SHIFT)) + i; + err = report_dnode(da, dnobj, blk+i); + if (err) + break; + } + (void) arc_buf_remove_ref(abuf, &abuf); + if (err) + return (err); + /* Don't care about the data blocks */ + return (TRAVERSE_VISIT_NO_CHILDREN); + } + return (0); +} + +int +dmu_diff(const char *tosnap_name, const char *fromsnap_name, + struct vnode *vp, offset_t *offp) +{ + struct diffarg da; + dsl_dataset_t *fromsnap; + dsl_dataset_t *tosnap; + dsl_pool_t *dp; + int error; + uint64_t fromtxg; + + if (strchr(tosnap_name, '@') == NULL || + strchr(fromsnap_name, '@') == NULL) + return (SET_ERROR(EINVAL)); + + error = dsl_pool_hold(tosnap_name, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold(dp, tosnap_name, FTAG, &tosnap); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + error = dsl_dataset_hold(dp, fromsnap_name, FTAG, &fromsnap); + if (error != 0) { + dsl_dataset_rele(tosnap, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); + } + + if (!dsl_dataset_is_before(tosnap, fromsnap, 0)) { + dsl_dataset_rele(fromsnap, FTAG); + dsl_dataset_rele(tosnap, FTAG); + dsl_pool_rele(dp, FTAG); + return (SET_ERROR(EXDEV)); + } + + fromtxg = dsl_dataset_phys(fromsnap)->ds_creation_txg; + dsl_dataset_rele(fromsnap, FTAG); + + dsl_dataset_long_hold(tosnap, FTAG); + dsl_pool_rele(dp, FTAG); + + da.da_vp = vp; + da.da_offp = offp; + da.da_ddr.ddr_type = DDR_NONE; + da.da_ddr.ddr_first = da.da_ddr.ddr_last = 0; + da.da_err = 0; + + error = traverse_dataset(tosnap, fromtxg, + TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, diff_cb, &da); + + if (error != 0) { + da.da_err = error; + } else { + /* we set the da.da_err we return as side-effect */ + (void) write_record(&da); + } + + dsl_dataset_long_rele(tosnap, FTAG); + dsl_dataset_rele(tosnap, FTAG); + + return (da.da_err); +} diff --git a/zfs/module/zfs/dmu_object.c b/zfs/module/zfs/dmu_object.c new file mode 100644 index 000000000000..177162f9365d --- /dev/null +++ b/zfs/module/zfs/dmu_object.c @@ -0,0 +1,230 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, 2015 by Delphix. All rights reserved. + * Copyright 2014 HybridCluster. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +uint64_t +dmu_object_alloc(objset_t *os, dmu_object_type_t ot, int blocksize, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + uint64_t object; + uint64_t L2_dnode_count = DNODES_PER_BLOCK << + (DMU_META_DNODE(os)->dn_indblkshift - SPA_BLKPTRSHIFT); + dnode_t *dn = NULL; + int restarted = B_FALSE; + + mutex_enter(&os->os_obj_lock); + for (;;) { + object = os->os_obj_next; + /* + * Each time we polish off an L2 bp worth of dnodes + * (2^13 objects), move to another L2 bp that's still + * reasonably sparse (at most 1/4 full). Look from the + * beginning once, but after that keep looking from here. + * If we can't find one, just keep going from here. + * + * Note that dmu_traverse depends on the behavior that we use + * multiple blocks of the dnode object before going back to + * reuse objects. Any change to this algorithm should preserve + * that property or find another solution to the issues + * described in traverse_visitbp. + */ + if (P2PHASE(object, L2_dnode_count) == 0) { + uint64_t offset = restarted ? object << DNODE_SHIFT : 0; + int error = dnode_next_offset(DMU_META_DNODE(os), + DNODE_FIND_HOLE, + &offset, 2, DNODES_PER_BLOCK >> 2, 0); + restarted = B_TRUE; + if (error == 0) + object = offset >> DNODE_SHIFT; + } + os->os_obj_next = ++object; + + /* + * XXX We should check for an i/o error here and return + * up to our caller. Actually we should pre-read it in + * dmu_tx_assign(), but there is currently no mechanism + * to do so. + */ + (void) dnode_hold_impl(os, object, DNODE_MUST_BE_FREE, + FTAG, &dn); + if (dn) + break; + + if (dmu_object_next(os, &object, B_TRUE, 0) == 0) + os->os_obj_next = object - 1; + } + + dnode_allocate(dn, ot, blocksize, 0, bonustype, bonuslen, tx); + dnode_rele(dn, FTAG); + + mutex_exit(&os->os_obj_lock); + + dmu_tx_add_new_object(tx, os, object); + return (object); +} + +int +dmu_object_claim(objset_t *os, uint64_t object, dmu_object_type_t ot, + int blocksize, dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + dnode_t *dn; + int err; + + if (object == DMU_META_DNODE_OBJECT && !dmu_tx_private_ok(tx)) + return (SET_ERROR(EBADF)); + + err = dnode_hold_impl(os, object, DNODE_MUST_BE_FREE, FTAG, &dn); + if (err) + return (err); + dnode_allocate(dn, ot, blocksize, 0, bonustype, bonuslen, tx); + dnode_rele(dn, FTAG); + + dmu_tx_add_new_object(tx, os, object); + return (0); +} + +int +dmu_object_reclaim(objset_t *os, uint64_t object, dmu_object_type_t ot, + int blocksize, dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + dnode_t *dn; + int err; + + if (object == DMU_META_DNODE_OBJECT) + return (SET_ERROR(EBADF)); + + err = dnode_hold_impl(os, object, DNODE_MUST_BE_ALLOCATED, + FTAG, &dn); + if (err) + return (err); + + dnode_reallocate(dn, ot, blocksize, bonustype, bonuslen, tx); + + dnode_rele(dn, FTAG); + return (err); +} + +int +dmu_object_free(objset_t *os, uint64_t object, dmu_tx_t *tx) +{ + dnode_t *dn; + int err; + + ASSERT(object != DMU_META_DNODE_OBJECT || dmu_tx_private_ok(tx)); + + err = dnode_hold_impl(os, object, DNODE_MUST_BE_ALLOCATED, + FTAG, &dn); + if (err) + return (err); + + ASSERT(dn->dn_type != DMU_OT_NONE); + dnode_free_range(dn, 0, DMU_OBJECT_END, tx); + dnode_free(dn, tx); + dnode_rele(dn, FTAG); + + return (0); +} + +int +dmu_object_next(objset_t *os, uint64_t *objectp, boolean_t hole, uint64_t txg) +{ + uint64_t offset = (*objectp + 1) << DNODE_SHIFT; + int error; + + error = dnode_next_offset(DMU_META_DNODE(os), + (hole ? DNODE_FIND_HOLE : 0), &offset, 0, DNODES_PER_BLOCK, txg); + + *objectp = offset >> DNODE_SHIFT; + + return (error); +} + +/* + * Turn this object from old_type into DMU_OTN_ZAP_METADATA, and bump the + * refcount on SPA_FEATURE_EXTENSIBLE_DATASET. + * + * Only for use from syncing context, on MOS objects. + */ +void +dmu_object_zapify(objset_t *mos, uint64_t object, dmu_object_type_t old_type, + dmu_tx_t *tx) +{ + dnode_t *dn; + + ASSERT(dmu_tx_is_syncing(tx)); + + VERIFY0(dnode_hold(mos, object, FTAG, &dn)); + if (dn->dn_type == DMU_OTN_ZAP_METADATA) { + dnode_rele(dn, FTAG); + return; + } + ASSERT3U(dn->dn_type, ==, old_type); + ASSERT0(dn->dn_maxblkid); + dn->dn_next_type[tx->tx_txg & TXG_MASK] = dn->dn_type = + DMU_OTN_ZAP_METADATA; + dnode_setdirty(dn, tx); + dnode_rele(dn, FTAG); + + mzap_create_impl(mos, object, 0, 0, tx); + + spa_feature_incr(dmu_objset_spa(mos), + SPA_FEATURE_EXTENSIBLE_DATASET, tx); +} + +void +dmu_object_free_zapified(objset_t *mos, uint64_t object, dmu_tx_t *tx) +{ + dnode_t *dn; + dmu_object_type_t t; + + ASSERT(dmu_tx_is_syncing(tx)); + + VERIFY0(dnode_hold(mos, object, FTAG, &dn)); + t = dn->dn_type; + dnode_rele(dn, FTAG); + + if (t == DMU_OTN_ZAP_METADATA) { + spa_feature_decr(dmu_objset_spa(mos), + SPA_FEATURE_EXTENSIBLE_DATASET, tx); + } + VERIFY0(dmu_object_free(mos, object, tx)); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dmu_object_alloc); +EXPORT_SYMBOL(dmu_object_claim); +EXPORT_SYMBOL(dmu_object_reclaim); +EXPORT_SYMBOL(dmu_object_free); +EXPORT_SYMBOL(dmu_object_next); +EXPORT_SYMBOL(dmu_object_zapify); +EXPORT_SYMBOL(dmu_object_free_zapified); +#endif diff --git a/zfs/module/zfs/dmu_objset.c b/zfs/module/zfs/dmu_objset.c new file mode 100644 index 000000000000..f2d492ebf0c3 --- /dev/null +++ b/zfs/module/zfs/dmu_objset.c @@ -0,0 +1,2052 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2013, Joyent, Inc. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + * Copyright (c) 2015 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2015, STRATO AG, Inc. All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Needed to close a window in dnode_move() that allows the objset to be freed + * before it can be safely accessed. + */ +krwlock_t os_lock; + +/* + * Tunable to overwrite the maximum number of threads for the parallization + * of dmu_objset_find_dp, needed to speed up the import of pools with many + * datasets. + * Default is 4 times the number of leaf vdevs. + */ +int dmu_find_threads = 0; + +static void dmu_objset_find_dp_cb(void *arg); + +void +dmu_objset_init(void) +{ + rw_init(&os_lock, NULL, RW_DEFAULT, NULL); +} + +void +dmu_objset_fini(void) +{ + rw_destroy(&os_lock); +} + +spa_t * +dmu_objset_spa(objset_t *os) +{ + return (os->os_spa); +} + +zilog_t * +dmu_objset_zil(objset_t *os) +{ + return (os->os_zil); +} + +dsl_pool_t * +dmu_objset_pool(objset_t *os) +{ + dsl_dataset_t *ds; + + if ((ds = os->os_dsl_dataset) != NULL && ds->ds_dir) + return (ds->ds_dir->dd_pool); + else + return (spa_get_dsl(os->os_spa)); +} + +dsl_dataset_t * +dmu_objset_ds(objset_t *os) +{ + return (os->os_dsl_dataset); +} + +dmu_objset_type_t +dmu_objset_type(objset_t *os) +{ + return (os->os_phys->os_type); +} + +void +dmu_objset_name(objset_t *os, char *buf) +{ + dsl_dataset_name(os->os_dsl_dataset, buf); +} + +uint64_t +dmu_objset_id(objset_t *os) +{ + dsl_dataset_t *ds = os->os_dsl_dataset; + + return (ds ? ds->ds_object : 0); +} + +zfs_sync_type_t +dmu_objset_syncprop(objset_t *os) +{ + return (os->os_sync); +} + +zfs_logbias_op_t +dmu_objset_logbias(objset_t *os) +{ + return (os->os_logbias); +} + +static void +checksum_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + /* + * Inheritance should have been done by now. + */ + ASSERT(newval != ZIO_CHECKSUM_INHERIT); + + os->os_checksum = zio_checksum_select(newval, ZIO_CHECKSUM_ON_VALUE); +} + +static void +compression_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + /* + * Inheritance and range checking should have been done by now. + */ + ASSERT(newval != ZIO_COMPRESS_INHERIT); + + os->os_compress = zio_compress_select(os->os_spa, newval, + ZIO_COMPRESS_ON); +} + +static void +copies_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + /* + * Inheritance and range checking should have been done by now. + */ + ASSERT(newval > 0); + ASSERT(newval <= spa_max_replication(os->os_spa)); + + os->os_copies = newval; +} + +static void +dedup_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + spa_t *spa = os->os_spa; + enum zio_checksum checksum; + + /* + * Inheritance should have been done by now. + */ + ASSERT(newval != ZIO_CHECKSUM_INHERIT); + + checksum = zio_checksum_dedup_select(spa, newval, ZIO_CHECKSUM_OFF); + + os->os_dedup_checksum = checksum & ZIO_CHECKSUM_MASK; + os->os_dedup_verify = !!(checksum & ZIO_CHECKSUM_VERIFY); +} + +static void +primary_cache_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + /* + * Inheritance and range checking should have been done by now. + */ + ASSERT(newval == ZFS_CACHE_ALL || newval == ZFS_CACHE_NONE || + newval == ZFS_CACHE_METADATA); + + os->os_primary_cache = newval; +} + +static void +secondary_cache_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + /* + * Inheritance and range checking should have been done by now. + */ + ASSERT(newval == ZFS_CACHE_ALL || newval == ZFS_CACHE_NONE || + newval == ZFS_CACHE_METADATA); + + os->os_secondary_cache = newval; +} + +static void +sync_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + /* + * Inheritance and range checking should have been done by now. + */ + ASSERT(newval == ZFS_SYNC_STANDARD || newval == ZFS_SYNC_ALWAYS || + newval == ZFS_SYNC_DISABLED); + + os->os_sync = newval; + if (os->os_zil) + zil_set_sync(os->os_zil, newval); +} + +static void +redundant_metadata_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + /* + * Inheritance and range checking should have been done by now. + */ + ASSERT(newval == ZFS_REDUNDANT_METADATA_ALL || + newval == ZFS_REDUNDANT_METADATA_MOST); + + os->os_redundant_metadata = newval; +} + +static void +logbias_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + ASSERT(newval == ZFS_LOGBIAS_LATENCY || + newval == ZFS_LOGBIAS_THROUGHPUT); + os->os_logbias = newval; + if (os->os_zil) + zil_set_logbias(os->os_zil, newval); +} + +static void +recordsize_changed_cb(void *arg, uint64_t newval) +{ + objset_t *os = arg; + + os->os_recordsize = newval; +} + +void +dmu_objset_byteswap(void *buf, size_t size) +{ + objset_phys_t *osp = buf; + + ASSERT(size == OBJSET_OLD_PHYS_SIZE || size == sizeof (objset_phys_t)); + dnode_byteswap(&osp->os_meta_dnode); + byteswap_uint64_array(&osp->os_zil_header, sizeof (zil_header_t)); + osp->os_type = BSWAP_64(osp->os_type); + osp->os_flags = BSWAP_64(osp->os_flags); + if (size == sizeof (objset_phys_t)) { + dnode_byteswap(&osp->os_userused_dnode); + dnode_byteswap(&osp->os_groupused_dnode); + } +} + +int +dmu_objset_open_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp, + objset_t **osp) +{ + objset_t *os; + int i, err; + + ASSERT(ds == NULL || MUTEX_HELD(&ds->ds_opening_lock)); + + os = kmem_zalloc(sizeof (objset_t), KM_SLEEP); + os->os_dsl_dataset = ds; + os->os_spa = spa; + os->os_rootbp = bp; + if (!BP_IS_HOLE(os->os_rootbp)) { + arc_flags_t aflags = ARC_FLAG_WAIT; + zbookmark_phys_t zb; + SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET, + ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID); + + if (DMU_OS_IS_L2CACHEABLE(os)) + aflags |= ARC_FLAG_L2CACHE; + if (DMU_OS_IS_L2COMPRESSIBLE(os)) + aflags |= ARC_FLAG_L2COMPRESS; + + dprintf_bp(os->os_rootbp, "reading %s", ""); + err = arc_read(NULL, spa, os->os_rootbp, + arc_getbuf_func, &os->os_phys_buf, + ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &aflags, &zb); + if (err != 0) { + kmem_free(os, sizeof (objset_t)); + /* convert checksum errors into IO errors */ + if (err == ECKSUM) + err = SET_ERROR(EIO); + return (err); + } + + /* Increase the blocksize if we are permitted. */ + if (spa_version(spa) >= SPA_VERSION_USERSPACE && + arc_buf_size(os->os_phys_buf) < sizeof (objset_phys_t)) { + arc_buf_t *buf = arc_buf_alloc(spa, + sizeof (objset_phys_t), &os->os_phys_buf, + ARC_BUFC_METADATA); + bzero(buf->b_data, sizeof (objset_phys_t)); + bcopy(os->os_phys_buf->b_data, buf->b_data, + arc_buf_size(os->os_phys_buf)); + (void) arc_buf_remove_ref(os->os_phys_buf, + &os->os_phys_buf); + os->os_phys_buf = buf; + } + + os->os_phys = os->os_phys_buf->b_data; + os->os_flags = os->os_phys->os_flags; + } else { + int size = spa_version(spa) >= SPA_VERSION_USERSPACE ? + sizeof (objset_phys_t) : OBJSET_OLD_PHYS_SIZE; + os->os_phys_buf = arc_buf_alloc(spa, size, + &os->os_phys_buf, ARC_BUFC_METADATA); + os->os_phys = os->os_phys_buf->b_data; + bzero(os->os_phys, size); + } + + /* + * Note: the changed_cb will be called once before the register + * func returns, thus changing the checksum/compression from the + * default (fletcher2/off). Snapshots don't need to know about + * checksum/compression/copies. + */ + if (ds != NULL) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_PRIMARYCACHE), + primary_cache_changed_cb, os); + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_SECONDARYCACHE), + secondary_cache_changed_cb, os); + } + if (!ds->ds_is_snapshot) { + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_CHECKSUM), + checksum_changed_cb, os); + } + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_COMPRESSION), + compression_changed_cb, os); + } + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_COPIES), + copies_changed_cb, os); + } + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_DEDUP), + dedup_changed_cb, os); + } + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_LOGBIAS), + logbias_changed_cb, os); + } + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_SYNC), + sync_changed_cb, os); + } + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name( + ZFS_PROP_REDUNDANT_METADATA), + redundant_metadata_changed_cb, os); + } + if (err == 0) { + err = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_RECORDSIZE), + recordsize_changed_cb, os); + } + } + if (err != 0) { + VERIFY(arc_buf_remove_ref(os->os_phys_buf, + &os->os_phys_buf)); + kmem_free(os, sizeof (objset_t)); + return (err); + } + } else { + /* It's the meta-objset. */ + os->os_checksum = ZIO_CHECKSUM_FLETCHER_4; + os->os_compress = ZIO_COMPRESS_ON; + os->os_copies = spa_max_replication(spa); + os->os_dedup_checksum = ZIO_CHECKSUM_OFF; + os->os_dedup_verify = B_FALSE; + os->os_logbias = ZFS_LOGBIAS_LATENCY; + os->os_sync = ZFS_SYNC_STANDARD; + os->os_primary_cache = ZFS_CACHE_ALL; + os->os_secondary_cache = ZFS_CACHE_ALL; + } + + if (ds == NULL || !ds->ds_is_snapshot) + os->os_zil_header = os->os_phys->os_zil_header; + os->os_zil = zil_alloc(os, &os->os_zil_header); + + for (i = 0; i < TXG_SIZE; i++) { + list_create(&os->os_dirty_dnodes[i], sizeof (dnode_t), + offsetof(dnode_t, dn_dirty_link[i])); + list_create(&os->os_free_dnodes[i], sizeof (dnode_t), + offsetof(dnode_t, dn_dirty_link[i])); + } + list_create(&os->os_dnodes, sizeof (dnode_t), + offsetof(dnode_t, dn_link)); + list_create(&os->os_downgraded_dbufs, sizeof (dmu_buf_impl_t), + offsetof(dmu_buf_impl_t, db_link)); + + list_link_init(&os->os_evicting_node); + + mutex_init(&os->os_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&os->os_obj_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&os->os_user_ptr_lock, NULL, MUTEX_DEFAULT, NULL); + + dnode_special_open(os, &os->os_phys->os_meta_dnode, + DMU_META_DNODE_OBJECT, &os->os_meta_dnode); + if (arc_buf_size(os->os_phys_buf) >= sizeof (objset_phys_t)) { + dnode_special_open(os, &os->os_phys->os_userused_dnode, + DMU_USERUSED_OBJECT, &os->os_userused_dnode); + dnode_special_open(os, &os->os_phys->os_groupused_dnode, + DMU_GROUPUSED_OBJECT, &os->os_groupused_dnode); + } + + *osp = os; + return (0); +} + +int +dmu_objset_from_ds(dsl_dataset_t *ds, objset_t **osp) +{ + int err = 0; + + mutex_enter(&ds->ds_opening_lock); + if (ds->ds_objset == NULL) { + objset_t *os; + err = dmu_objset_open_impl(dsl_dataset_get_spa(ds), + ds, dsl_dataset_get_blkptr(ds), &os); + + if (err == 0) { + mutex_enter(&ds->ds_lock); + ASSERT(ds->ds_objset == NULL); + ds->ds_objset = os; + mutex_exit(&ds->ds_lock); + } + } + *osp = ds->ds_objset; + mutex_exit(&ds->ds_opening_lock); + return (err); +} + +/* + * Holds the pool while the objset is held. Therefore only one objset + * can be held at a time. + */ +int +dmu_objset_hold(const char *name, void *tag, objset_t **osp) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + int err; + + err = dsl_pool_hold(name, tag, &dp); + if (err != 0) + return (err); + err = dsl_dataset_hold(dp, name, tag, &ds); + if (err != 0) { + dsl_pool_rele(dp, tag); + return (err); + } + + err = dmu_objset_from_ds(ds, osp); + if (err != 0) { + dsl_dataset_rele(ds, tag); + dsl_pool_rele(dp, tag); + } + + return (err); +} + +static int +dmu_objset_own_impl(dsl_dataset_t *ds, dmu_objset_type_t type, + boolean_t readonly, void *tag, objset_t **osp) +{ + int err; + + err = dmu_objset_from_ds(ds, osp); + if (err != 0) { + dsl_dataset_disown(ds, tag); + } else if (type != DMU_OST_ANY && type != (*osp)->os_phys->os_type) { + dsl_dataset_disown(ds, tag); + return (SET_ERROR(EINVAL)); + } else if (!readonly && dsl_dataset_is_snapshot(ds)) { + dsl_dataset_disown(ds, tag); + return (SET_ERROR(EROFS)); + } + return (err); +} + +/* + * dsl_pool must not be held when this is called. + * Upon successful return, there will be a longhold on the dataset, + * and the dsl_pool will not be held. + */ +int +dmu_objset_own(const char *name, dmu_objset_type_t type, + boolean_t readonly, void *tag, objset_t **osp) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + int err; + + err = dsl_pool_hold(name, FTAG, &dp); + if (err != 0) + return (err); + err = dsl_dataset_own(dp, name, tag, &ds); + if (err != 0) { + dsl_pool_rele(dp, FTAG); + return (err); + } + err = dmu_objset_own_impl(ds, type, readonly, tag, osp); + dsl_pool_rele(dp, FTAG); + + return (err); +} + +int +dmu_objset_own_obj(dsl_pool_t *dp, uint64_t obj, dmu_objset_type_t type, + boolean_t readonly, void *tag, objset_t **osp) +{ + dsl_dataset_t *ds; + int err; + + err = dsl_dataset_own_obj(dp, obj, tag, &ds); + if (err != 0) + return (err); + + return (dmu_objset_own_impl(ds, type, readonly, tag, osp)); +} + +void +dmu_objset_rele(objset_t *os, void *tag) +{ + dsl_pool_t *dp = dmu_objset_pool(os); + dsl_dataset_rele(os->os_dsl_dataset, tag); + dsl_pool_rele(dp, tag); +} + +/* + * When we are called, os MUST refer to an objset associated with a dataset + * that is owned by 'tag'; that is, is held and long held by 'tag' and ds_owner + * == tag. We will then release and reacquire ownership of the dataset while + * holding the pool config_rwlock to avoid intervening namespace or ownership + * changes may occur. + * + * This exists solely to accommodate zfs_ioc_userspace_upgrade()'s desire to + * release the hold on its dataset and acquire a new one on the dataset of the + * same name so that it can be partially torn down and reconstructed. + */ +void +dmu_objset_refresh_ownership(objset_t *os, void *tag) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds, *newds; + char name[MAXNAMELEN]; + + ds = os->os_dsl_dataset; + VERIFY3P(ds, !=, NULL); + VERIFY3P(ds->ds_owner, ==, tag); + VERIFY(dsl_dataset_long_held(ds)); + + dsl_dataset_name(ds, name); + dp = dmu_objset_pool(os); + dsl_pool_config_enter(dp, FTAG); + dmu_objset_disown(os, tag); + VERIFY0(dsl_dataset_own(dp, name, tag, &newds)); + VERIFY3P(newds, ==, os->os_dsl_dataset); + dsl_pool_config_exit(dp, FTAG); +} + +void +dmu_objset_disown(objset_t *os, void *tag) +{ + dsl_dataset_disown(os->os_dsl_dataset, tag); +} + +void +dmu_objset_evict_dbufs(objset_t *os) +{ + dnode_t *dn_marker; + dnode_t *dn; + + dn_marker = kmem_alloc(sizeof (dnode_t), KM_SLEEP); + + mutex_enter(&os->os_lock); + dn = list_head(&os->os_dnodes); + while (dn != NULL) { + /* + * Skip dnodes without holds. We have to do this dance + * because dnode_add_ref() only works if there is already a + * hold. If the dnode has no holds, then it has no dbufs. + */ + if (dnode_add_ref(dn, FTAG)) { + list_insert_after(&os->os_dnodes, dn, dn_marker); + mutex_exit(&os->os_lock); + + dnode_evict_dbufs(dn); + dnode_rele(dn, FTAG); + + mutex_enter(&os->os_lock); + dn = list_next(&os->os_dnodes, dn_marker); + list_remove(&os->os_dnodes, dn_marker); + } else { + dn = list_next(&os->os_dnodes, dn); + } + } + mutex_exit(&os->os_lock); + + kmem_free(dn_marker, sizeof (dnode_t)); + + if (DMU_USERUSED_DNODE(os) != NULL) { + dnode_evict_dbufs(DMU_GROUPUSED_DNODE(os)); + dnode_evict_dbufs(DMU_USERUSED_DNODE(os)); + } + dnode_evict_dbufs(DMU_META_DNODE(os)); +} + +/* + * Objset eviction processing is split into into two pieces. + * The first marks the objset as evicting, evicts any dbufs that + * have a refcount of zero, and then queues up the objset for the + * second phase of eviction. Once os->os_dnodes has been cleared by + * dnode_buf_pageout()->dnode_destroy(), the second phase is executed. + * The second phase closes the special dnodes, dequeues the objset from + * the list of those undergoing eviction, and finally frees the objset. + * + * NOTE: Due to asynchronous eviction processing (invocation of + * dnode_buf_pageout()), it is possible for the meta dnode for the + * objset to have no holds even though os->os_dnodes is not empty. + */ +void +dmu_objset_evict(objset_t *os) +{ + int t; + + dsl_dataset_t *ds = os->os_dsl_dataset; + + for (t = 0; t < TXG_SIZE; t++) + ASSERT(!dmu_objset_is_dirty(os, t)); + + if (ds) { + if (!ds->ds_is_snapshot) { + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_CHECKSUM), + checksum_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_COMPRESSION), + compression_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_COPIES), + copies_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_DEDUP), + dedup_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_LOGBIAS), + logbias_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_SYNC), + sync_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_REDUNDANT_METADATA), + redundant_metadata_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_RECORDSIZE), + recordsize_changed_cb, os)); + } + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_PRIMARYCACHE), + primary_cache_changed_cb, os)); + VERIFY0(dsl_prop_unregister(ds, + zfs_prop_to_name(ZFS_PROP_SECONDARYCACHE), + secondary_cache_changed_cb, os)); + } + + if (os->os_sa) + sa_tear_down(os); + + dmu_objset_evict_dbufs(os); + + mutex_enter(&os->os_lock); + spa_evicting_os_register(os->os_spa, os); + if (list_is_empty(&os->os_dnodes)) { + mutex_exit(&os->os_lock); + dmu_objset_evict_done(os); + } else { + mutex_exit(&os->os_lock); + } +} + +void +dmu_objset_evict_done(objset_t *os) +{ + ASSERT3P(list_head(&os->os_dnodes), ==, NULL); + + dnode_special_close(&os->os_meta_dnode); + if (DMU_USERUSED_DNODE(os)) { + dnode_special_close(&os->os_userused_dnode); + dnode_special_close(&os->os_groupused_dnode); + } + zil_free(os->os_zil); + + VERIFY(arc_buf_remove_ref(os->os_phys_buf, &os->os_phys_buf)); + + /* + * This is a barrier to prevent the objset from going away in + * dnode_move() until we can safely ensure that the objset is still in + * use. We consider the objset valid before the barrier and invalid + * after the barrier. + */ + rw_enter(&os_lock, RW_READER); + rw_exit(&os_lock); + + mutex_destroy(&os->os_lock); + mutex_destroy(&os->os_obj_lock); + mutex_destroy(&os->os_user_ptr_lock); + spa_evicting_os_deregister(os->os_spa, os); + kmem_free(os, sizeof (objset_t)); +} + +timestruc_t +dmu_objset_snap_cmtime(objset_t *os) +{ + return (dsl_dir_snap_cmtime(os->os_dsl_dataset->ds_dir)); +} + +/* called from dsl for meta-objset */ +objset_t * +dmu_objset_create_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp, + dmu_objset_type_t type, dmu_tx_t *tx) +{ + objset_t *os; + dnode_t *mdn; + + ASSERT(dmu_tx_is_syncing(tx)); + + if (ds != NULL) + VERIFY0(dmu_objset_from_ds(ds, &os)); + else + VERIFY0(dmu_objset_open_impl(spa, NULL, bp, &os)); + + mdn = DMU_META_DNODE(os); + + dnode_allocate(mdn, DMU_OT_DNODE, 1 << DNODE_BLOCK_SHIFT, + DN_MAX_INDBLKSHIFT, DMU_OT_NONE, 0, tx); + + /* + * We don't want to have to increase the meta-dnode's nlevels + * later, because then we could do it in quescing context while + * we are also accessing it in open context. + * + * This precaution is not necessary for the MOS (ds == NULL), + * because the MOS is only updated in syncing context. + * This is most fortunate: the MOS is the only objset that + * needs to be synced multiple times as spa_sync() iterates + * to convergence, so minimizing its dn_nlevels matters. + */ + if (ds != NULL) { + int levels = 1; + + /* + * Determine the number of levels necessary for the meta-dnode + * to contain DN_MAX_OBJECT dnodes. + */ + while ((uint64_t)mdn->dn_nblkptr << (mdn->dn_datablkshift + + (levels - 1) * (mdn->dn_indblkshift - SPA_BLKPTRSHIFT)) < + DN_MAX_OBJECT * sizeof (dnode_phys_t)) + levels++; + + mdn->dn_next_nlevels[tx->tx_txg & TXG_MASK] = + mdn->dn_nlevels = levels; + } + + ASSERT(type != DMU_OST_NONE); + ASSERT(type != DMU_OST_ANY); + ASSERT(type < DMU_OST_NUMTYPES); + os->os_phys->os_type = type; + if (dmu_objset_userused_enabled(os)) { + os->os_phys->os_flags |= OBJSET_FLAG_USERACCOUNTING_COMPLETE; + os->os_flags = os->os_phys->os_flags; + } + + dsl_dataset_dirty(ds, tx); + + return (os); +} + +typedef struct dmu_objset_create_arg { + const char *doca_name; + cred_t *doca_cred; + void (*doca_userfunc)(objset_t *os, void *arg, + cred_t *cr, dmu_tx_t *tx); + void *doca_userarg; + dmu_objset_type_t doca_type; + uint64_t doca_flags; +} dmu_objset_create_arg_t; + +/*ARGSUSED*/ +static int +dmu_objset_create_check(void *arg, dmu_tx_t *tx) +{ + dmu_objset_create_arg_t *doca = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dir_t *pdd; + const char *tail; + int error; + + if (strchr(doca->doca_name, '@') != NULL) + return (SET_ERROR(EINVAL)); + + error = dsl_dir_hold(dp, doca->doca_name, FTAG, &pdd, &tail); + if (error != 0) + return (error); + if (tail == NULL) { + dsl_dir_rele(pdd, FTAG); + return (SET_ERROR(EEXIST)); + } + error = dsl_fs_ss_limit_check(pdd, 1, ZFS_PROP_FILESYSTEM_LIMIT, NULL, + doca->doca_cred); + dsl_dir_rele(pdd, FTAG); + + return (error); +} + +static void +dmu_objset_create_sync(void *arg, dmu_tx_t *tx) +{ + dmu_objset_create_arg_t *doca = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dir_t *pdd; + const char *tail; + dsl_dataset_t *ds; + uint64_t obj; + blkptr_t *bp; + objset_t *os; + + VERIFY0(dsl_dir_hold(dp, doca->doca_name, FTAG, &pdd, &tail)); + + obj = dsl_dataset_create_sync(pdd, tail, NULL, doca->doca_flags, + doca->doca_cred, tx); + + VERIFY0(dsl_dataset_hold_obj(pdd->dd_pool, obj, FTAG, &ds)); + bp = dsl_dataset_get_blkptr(ds); + os = dmu_objset_create_impl(pdd->dd_pool->dp_spa, + ds, bp, doca->doca_type, tx); + + if (doca->doca_userfunc != NULL) { + doca->doca_userfunc(os, doca->doca_userarg, + doca->doca_cred, tx); + } + + spa_history_log_internal_ds(ds, "create", tx, ""); + zvol_create_minors(dp->dp_spa, doca->doca_name, B_TRUE); + + dsl_dataset_rele(ds, FTAG); + dsl_dir_rele(pdd, FTAG); +} + +int +dmu_objset_create(const char *name, dmu_objset_type_t type, uint64_t flags, + void (*func)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx), void *arg) +{ + dmu_objset_create_arg_t doca; + + doca.doca_name = name; + doca.doca_cred = CRED(); + doca.doca_flags = flags; + doca.doca_userfunc = func; + doca.doca_userarg = arg; + doca.doca_type = type; + + return (dsl_sync_task(name, + dmu_objset_create_check, dmu_objset_create_sync, &doca, + 5, ZFS_SPACE_CHECK_NORMAL)); +} + +typedef struct dmu_objset_clone_arg { + const char *doca_clone; + const char *doca_origin; + cred_t *doca_cred; +} dmu_objset_clone_arg_t; + +/*ARGSUSED*/ +static int +dmu_objset_clone_check(void *arg, dmu_tx_t *tx) +{ + dmu_objset_clone_arg_t *doca = arg; + dsl_dir_t *pdd; + const char *tail; + int error; + dsl_dataset_t *origin; + dsl_pool_t *dp = dmu_tx_pool(tx); + + if (strchr(doca->doca_clone, '@') != NULL) + return (SET_ERROR(EINVAL)); + + error = dsl_dir_hold(dp, doca->doca_clone, FTAG, &pdd, &tail); + if (error != 0) + return (error); + if (tail == NULL) { + dsl_dir_rele(pdd, FTAG); + return (SET_ERROR(EEXIST)); + } + + error = dsl_fs_ss_limit_check(pdd, 1, ZFS_PROP_FILESYSTEM_LIMIT, NULL, + doca->doca_cred); + if (error != 0) { + dsl_dir_rele(pdd, FTAG); + return (SET_ERROR(EDQUOT)); + } + dsl_dir_rele(pdd, FTAG); + + error = dsl_dataset_hold(dp, doca->doca_origin, FTAG, &origin); + if (error != 0) + return (error); + + /* You can only clone snapshots, not the head datasets. */ + if (!origin->ds_is_snapshot) { + dsl_dataset_rele(origin, FTAG); + return (SET_ERROR(EINVAL)); + } + dsl_dataset_rele(origin, FTAG); + + return (0); +} + +static void +dmu_objset_clone_sync(void *arg, dmu_tx_t *tx) +{ + dmu_objset_clone_arg_t *doca = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dir_t *pdd; + const char *tail; + dsl_dataset_t *origin, *ds; + uint64_t obj; + char namebuf[MAXNAMELEN]; + + VERIFY0(dsl_dir_hold(dp, doca->doca_clone, FTAG, &pdd, &tail)); + VERIFY0(dsl_dataset_hold(dp, doca->doca_origin, FTAG, &origin)); + + obj = dsl_dataset_create_sync(pdd, tail, origin, 0, + doca->doca_cred, tx); + + VERIFY0(dsl_dataset_hold_obj(pdd->dd_pool, obj, FTAG, &ds)); + dsl_dataset_name(origin, namebuf); + spa_history_log_internal_ds(ds, "clone", tx, + "origin=%s (%llu)", namebuf, origin->ds_object); + zvol_create_minors(dp->dp_spa, doca->doca_clone, B_TRUE); + dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele(origin, FTAG); + dsl_dir_rele(pdd, FTAG); +} + +int +dmu_objset_clone(const char *clone, const char *origin) +{ + dmu_objset_clone_arg_t doca; + + doca.doca_clone = clone; + doca.doca_origin = origin; + doca.doca_cred = CRED(); + + return (dsl_sync_task(clone, + dmu_objset_clone_check, dmu_objset_clone_sync, &doca, + 5, ZFS_SPACE_CHECK_NORMAL)); +} + +int +dmu_objset_snapshot_one(const char *fsname, const char *snapname) +{ + int err; + char *longsnap = kmem_asprintf("%s@%s", fsname, snapname); + nvlist_t *snaps = fnvlist_alloc(); + + fnvlist_add_boolean(snaps, longsnap); + strfree(longsnap); + err = dsl_dataset_snapshot(snaps, NULL, NULL); + fnvlist_free(snaps); + return (err); +} + +static void +dmu_objset_sync_dnodes(list_t *list, list_t *newlist, dmu_tx_t *tx) +{ + dnode_t *dn; + + while ((dn = list_head(list))) { + ASSERT(dn->dn_object != DMU_META_DNODE_OBJECT); + ASSERT(dn->dn_dbuf->db_data_pending); + /* + * Initialize dn_zio outside dnode_sync() because the + * meta-dnode needs to set it ouside dnode_sync(). + */ + dn->dn_zio = dn->dn_dbuf->db_data_pending->dr_zio; + ASSERT(dn->dn_zio); + + ASSERT3U(dn->dn_nlevels, <=, DN_MAX_LEVELS); + list_remove(list, dn); + + if (newlist) { + (void) dnode_add_ref(dn, newlist); + list_insert_tail(newlist, dn); + } + + dnode_sync(dn, tx); + } +} + +/* ARGSUSED */ +static void +dmu_objset_write_ready(zio_t *zio, arc_buf_t *abuf, void *arg) +{ + int i; + + blkptr_t *bp = zio->io_bp; + objset_t *os = arg; + dnode_phys_t *dnp = &os->os_phys->os_meta_dnode; + + ASSERT(!BP_IS_EMBEDDED(bp)); + ASSERT3P(bp, ==, os->os_rootbp); + ASSERT3U(BP_GET_TYPE(bp), ==, DMU_OT_OBJSET); + ASSERT0(BP_GET_LEVEL(bp)); + + /* + * Update rootbp fill count: it should be the number of objects + * allocated in the object set (not counting the "special" + * objects that are stored in the objset_phys_t -- the meta + * dnode and user/group accounting objects). + */ + bp->blk_fill = 0; + for (i = 0; i < dnp->dn_nblkptr; i++) + bp->blk_fill += BP_GET_FILL(&dnp->dn_blkptr[i]); +} + +/* ARGSUSED */ +static void +dmu_objset_write_done(zio_t *zio, arc_buf_t *abuf, void *arg) +{ + blkptr_t *bp = zio->io_bp; + blkptr_t *bp_orig = &zio->io_bp_orig; + objset_t *os = arg; + + if (zio->io_flags & ZIO_FLAG_IO_REWRITE) { + ASSERT(BP_EQUAL(bp, bp_orig)); + } else { + dsl_dataset_t *ds = os->os_dsl_dataset; + dmu_tx_t *tx = os->os_synctx; + + (void) dsl_dataset_block_kill(ds, bp_orig, tx, B_TRUE); + dsl_dataset_block_born(ds, bp, tx); + } +} + +/* called from dsl */ +void +dmu_objset_sync(objset_t *os, zio_t *pio, dmu_tx_t *tx) +{ + int txgoff; + zbookmark_phys_t zb; + zio_prop_t zp; + zio_t *zio; + list_t *list; + list_t *newlist = NULL; + dbuf_dirty_record_t *dr; + + dprintf_ds(os->os_dsl_dataset, "txg=%llu\n", tx->tx_txg); + + ASSERT(dmu_tx_is_syncing(tx)); + /* XXX the write_done callback should really give us the tx... */ + os->os_synctx = tx; + + if (os->os_dsl_dataset == NULL) { + /* + * This is the MOS. If we have upgraded, + * spa_max_replication() could change, so reset + * os_copies here. + */ + os->os_copies = spa_max_replication(os->os_spa); + } + + /* + * Create the root block IO + */ + SET_BOOKMARK(&zb, os->os_dsl_dataset ? + os->os_dsl_dataset->ds_object : DMU_META_OBJSET, + ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID); + arc_release(os->os_phys_buf, &os->os_phys_buf); + + dmu_write_policy(os, NULL, 0, 0, &zp); + + zio = arc_write(pio, os->os_spa, tx->tx_txg, + os->os_rootbp, os->os_phys_buf, DMU_OS_IS_L2CACHEABLE(os), + DMU_OS_IS_L2COMPRESSIBLE(os), &zp, dmu_objset_write_ready, + NULL, dmu_objset_write_done, os, ZIO_PRIORITY_ASYNC_WRITE, + ZIO_FLAG_MUSTSUCCEED, &zb); + + /* + * Sync special dnodes - the parent IO for the sync is the root block + */ + DMU_META_DNODE(os)->dn_zio = zio; + dnode_sync(DMU_META_DNODE(os), tx); + + os->os_phys->os_flags = os->os_flags; + + if (DMU_USERUSED_DNODE(os) && + DMU_USERUSED_DNODE(os)->dn_type != DMU_OT_NONE) { + DMU_USERUSED_DNODE(os)->dn_zio = zio; + dnode_sync(DMU_USERUSED_DNODE(os), tx); + DMU_GROUPUSED_DNODE(os)->dn_zio = zio; + dnode_sync(DMU_GROUPUSED_DNODE(os), tx); + } + + txgoff = tx->tx_txg & TXG_MASK; + + if (dmu_objset_userused_enabled(os)) { + newlist = &os->os_synced_dnodes; + /* + * We must create the list here because it uses the + * dn_dirty_link[] of this txg. + */ + list_create(newlist, sizeof (dnode_t), + offsetof(dnode_t, dn_dirty_link[txgoff])); + } + + dmu_objset_sync_dnodes(&os->os_free_dnodes[txgoff], newlist, tx); + dmu_objset_sync_dnodes(&os->os_dirty_dnodes[txgoff], newlist, tx); + + list = &DMU_META_DNODE(os)->dn_dirty_records[txgoff]; + while ((dr = list_head(list))) { + ASSERT0(dr->dr_dbuf->db_level); + list_remove(list, dr); + if (dr->dr_zio) + zio_nowait(dr->dr_zio); + } + /* + * Free intent log blocks up to this tx. + */ + zil_sync(os->os_zil, tx); + os->os_phys->os_zil_header = os->os_zil_header; + zio_nowait(zio); +} + +boolean_t +dmu_objset_is_dirty(objset_t *os, uint64_t txg) +{ + return (!list_is_empty(&os->os_dirty_dnodes[txg & TXG_MASK]) || + !list_is_empty(&os->os_free_dnodes[txg & TXG_MASK])); +} + +static objset_used_cb_t *used_cbs[DMU_OST_NUMTYPES]; + +void +dmu_objset_register_type(dmu_objset_type_t ost, objset_used_cb_t *cb) +{ + used_cbs[ost] = cb; +} + +boolean_t +dmu_objset_userused_enabled(objset_t *os) +{ + return (spa_version(os->os_spa) >= SPA_VERSION_USERSPACE && + used_cbs[os->os_phys->os_type] != NULL && + DMU_USERUSED_DNODE(os) != NULL); +} + +static void +do_userquota_update(objset_t *os, uint64_t used, uint64_t flags, + uint64_t user, uint64_t group, boolean_t subtract, dmu_tx_t *tx) +{ + if ((flags & DNODE_FLAG_USERUSED_ACCOUNTED)) { + int64_t delta = DNODE_SIZE + used; + if (subtract) + delta = -delta; + VERIFY3U(0, ==, zap_increment_int(os, DMU_USERUSED_OBJECT, + user, delta, tx)); + VERIFY3U(0, ==, zap_increment_int(os, DMU_GROUPUSED_OBJECT, + group, delta, tx)); + } +} + +void +dmu_objset_do_userquota_updates(objset_t *os, dmu_tx_t *tx) +{ + dnode_t *dn; + list_t *list = &os->os_synced_dnodes; + + ASSERT(list_head(list) == NULL || dmu_objset_userused_enabled(os)); + + while ((dn = list_head(list))) { + int flags; + ASSERT(!DMU_OBJECT_IS_SPECIAL(dn->dn_object)); + ASSERT(dn->dn_phys->dn_type == DMU_OT_NONE || + dn->dn_phys->dn_flags & + DNODE_FLAG_USERUSED_ACCOUNTED); + + /* Allocate the user/groupused objects if necessary. */ + if (DMU_USERUSED_DNODE(os)->dn_type == DMU_OT_NONE) { + VERIFY(0 == zap_create_claim(os, + DMU_USERUSED_OBJECT, + DMU_OT_USERGROUP_USED, DMU_OT_NONE, 0, tx)); + VERIFY(0 == zap_create_claim(os, + DMU_GROUPUSED_OBJECT, + DMU_OT_USERGROUP_USED, DMU_OT_NONE, 0, tx)); + } + + /* + * We intentionally modify the zap object even if the + * net delta is zero. Otherwise + * the block of the zap obj could be shared between + * datasets but need to be different between them after + * a bprewrite. + */ + + flags = dn->dn_id_flags; + ASSERT(flags); + if (flags & DN_ID_OLD_EXIST) { + do_userquota_update(os, dn->dn_oldused, dn->dn_oldflags, + dn->dn_olduid, dn->dn_oldgid, B_TRUE, tx); + } + if (flags & DN_ID_NEW_EXIST) { + do_userquota_update(os, DN_USED_BYTES(dn->dn_phys), + dn->dn_phys->dn_flags, dn->dn_newuid, + dn->dn_newgid, B_FALSE, tx); + } + + mutex_enter(&dn->dn_mtx); + dn->dn_oldused = 0; + dn->dn_oldflags = 0; + if (dn->dn_id_flags & DN_ID_NEW_EXIST) { + dn->dn_olduid = dn->dn_newuid; + dn->dn_oldgid = dn->dn_newgid; + dn->dn_id_flags |= DN_ID_OLD_EXIST; + if (dn->dn_bonuslen == 0) + dn->dn_id_flags |= DN_ID_CHKED_SPILL; + else + dn->dn_id_flags |= DN_ID_CHKED_BONUS; + } + dn->dn_id_flags &= ~(DN_ID_NEW_EXIST); + mutex_exit(&dn->dn_mtx); + + list_remove(list, dn); + dnode_rele(dn, list); + } +} + +/* + * Returns a pointer to data to find uid/gid from + * + * If a dirty record for transaction group that is syncing can't + * be found then NULL is returned. In the NULL case it is assumed + * the uid/gid aren't changing. + */ +static void * +dmu_objset_userquota_find_data(dmu_buf_impl_t *db, dmu_tx_t *tx) +{ + dbuf_dirty_record_t *dr, **drp; + void *data; + + if (db->db_dirtycnt == 0) + return (db->db.db_data); /* Nothing is changing */ + + for (drp = &db->db_last_dirty; (dr = *drp) != NULL; drp = &dr->dr_next) + if (dr->dr_txg == tx->tx_txg) + break; + + if (dr == NULL) { + data = NULL; + } else { + dnode_t *dn; + + DB_DNODE_ENTER(dr->dr_dbuf); + dn = DB_DNODE(dr->dr_dbuf); + + if (dn->dn_bonuslen == 0 && + dr->dr_dbuf->db_blkid == DMU_SPILL_BLKID) + data = dr->dt.dl.dr_data->b_data; + else + data = dr->dt.dl.dr_data; + + DB_DNODE_EXIT(dr->dr_dbuf); + } + + return (data); +} + +void +dmu_objset_userquota_get_ids(dnode_t *dn, boolean_t before, dmu_tx_t *tx) +{ + objset_t *os = dn->dn_objset; + void *data = NULL; + dmu_buf_impl_t *db = NULL; + uint64_t *user = NULL; + uint64_t *group = NULL; + int flags = dn->dn_id_flags; + int error; + boolean_t have_spill = B_FALSE; + + if (!dmu_objset_userused_enabled(dn->dn_objset)) + return; + + if (before && (flags & (DN_ID_CHKED_BONUS|DN_ID_OLD_EXIST| + DN_ID_CHKED_SPILL))) + return; + + if (before && dn->dn_bonuslen != 0) + data = DN_BONUS(dn->dn_phys); + else if (!before && dn->dn_bonuslen != 0) { + if (dn->dn_bonus) { + db = dn->dn_bonus; + mutex_enter(&db->db_mtx); + data = dmu_objset_userquota_find_data(db, tx); + } else { + data = DN_BONUS(dn->dn_phys); + } + } else if (dn->dn_bonuslen == 0 && dn->dn_bonustype == DMU_OT_SA) { + int rf = 0; + + if (RW_WRITE_HELD(&dn->dn_struct_rwlock)) + rf |= DB_RF_HAVESTRUCT; + error = dmu_spill_hold_by_dnode(dn, + rf | DB_RF_MUST_SUCCEED, + FTAG, (dmu_buf_t **)&db); + ASSERT(error == 0); + mutex_enter(&db->db_mtx); + data = (before) ? db->db.db_data : + dmu_objset_userquota_find_data(db, tx); + have_spill = B_TRUE; + } else { + mutex_enter(&dn->dn_mtx); + dn->dn_id_flags |= DN_ID_CHKED_BONUS; + mutex_exit(&dn->dn_mtx); + return; + } + + if (before) { + ASSERT(data); + user = &dn->dn_olduid; + group = &dn->dn_oldgid; + } else if (data) { + user = &dn->dn_newuid; + group = &dn->dn_newgid; + } + + /* + * Must always call the callback in case the object + * type has changed and that type isn't an object type to track + */ + error = used_cbs[os->os_phys->os_type](dn->dn_bonustype, data, + user, group); + + /* + * Preserve existing uid/gid when the callback can't determine + * what the new uid/gid are and the callback returned EEXIST. + * The EEXIST error tells us to just use the existing uid/gid. + * If we don't know what the old values are then just assign + * them to 0, since that is a new file being created. + */ + if (!before && data == NULL && error == EEXIST) { + if (flags & DN_ID_OLD_EXIST) { + dn->dn_newuid = dn->dn_olduid; + dn->dn_newgid = dn->dn_oldgid; + } else { + dn->dn_newuid = 0; + dn->dn_newgid = 0; + } + error = 0; + } + + if (db) + mutex_exit(&db->db_mtx); + + mutex_enter(&dn->dn_mtx); + if (error == 0 && before) + dn->dn_id_flags |= DN_ID_OLD_EXIST; + if (error == 0 && !before) + dn->dn_id_flags |= DN_ID_NEW_EXIST; + + if (have_spill) { + dn->dn_id_flags |= DN_ID_CHKED_SPILL; + } else { + dn->dn_id_flags |= DN_ID_CHKED_BONUS; + } + mutex_exit(&dn->dn_mtx); + if (have_spill) + dmu_buf_rele((dmu_buf_t *)db, FTAG); +} + +boolean_t +dmu_objset_userspace_present(objset_t *os) +{ + return (os->os_phys->os_flags & + OBJSET_FLAG_USERACCOUNTING_COMPLETE); +} + +int +dmu_objset_userspace_upgrade(objset_t *os) +{ + uint64_t obj; + int err = 0; + + if (dmu_objset_userspace_present(os)) + return (0); + if (!dmu_objset_userused_enabled(os)) + return (SET_ERROR(ENOTSUP)); + if (dmu_objset_is_snapshot(os)) + return (SET_ERROR(EINVAL)); + + /* + * We simply need to mark every object dirty, so that it will be + * synced out and now accounted. If this is called + * concurrently, or if we already did some work before crashing, + * that's fine, since we track each object's accounted state + * independently. + */ + + for (obj = 0; err == 0; err = dmu_object_next(os, &obj, FALSE, 0)) { + dmu_tx_t *tx; + dmu_buf_t *db; + int objerr; + + if (issig(JUSTLOOKING) && issig(FORREAL)) + return (SET_ERROR(EINTR)); + + objerr = dmu_bonus_hold(os, obj, FTAG, &db); + if (objerr != 0) + continue; + tx = dmu_tx_create(os); + dmu_tx_hold_bonus(tx, obj); + objerr = dmu_tx_assign(tx, TXG_WAIT); + if (objerr != 0) { + dmu_tx_abort(tx); + continue; + } + dmu_buf_will_dirty(db, tx); + dmu_buf_rele(db, FTAG); + dmu_tx_commit(tx); + } + + os->os_flags |= OBJSET_FLAG_USERACCOUNTING_COMPLETE; + txg_wait_synced(dmu_objset_pool(os), 0); + return (0); +} + +void +dmu_objset_space(objset_t *os, uint64_t *refdbytesp, uint64_t *availbytesp, + uint64_t *usedobjsp, uint64_t *availobjsp) +{ + dsl_dataset_space(os->os_dsl_dataset, refdbytesp, availbytesp, + usedobjsp, availobjsp); +} + +uint64_t +dmu_objset_fsid_guid(objset_t *os) +{ + return (dsl_dataset_fsid_guid(os->os_dsl_dataset)); +} + +void +dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat) +{ + stat->dds_type = os->os_phys->os_type; + if (os->os_dsl_dataset) + dsl_dataset_fast_stat(os->os_dsl_dataset, stat); +} + +void +dmu_objset_stats(objset_t *os, nvlist_t *nv) +{ + ASSERT(os->os_dsl_dataset || + os->os_phys->os_type == DMU_OST_META); + + if (os->os_dsl_dataset != NULL) + dsl_dataset_stats(os->os_dsl_dataset, nv); + + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_TYPE, + os->os_phys->os_type); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USERACCOUNTING, + dmu_objset_userspace_present(os)); +} + +int +dmu_objset_is_snapshot(objset_t *os) +{ + if (os->os_dsl_dataset != NULL) + return (os->os_dsl_dataset->ds_is_snapshot); + else + return (B_FALSE); +} + +int +dmu_snapshot_realname(objset_t *os, char *name, char *real, int maxlen, + boolean_t *conflict) +{ + dsl_dataset_t *ds = os->os_dsl_dataset; + uint64_t ignored; + + if (dsl_dataset_phys(ds)->ds_snapnames_zapobj == 0) + return (SET_ERROR(ENOENT)); + + return (zap_lookup_norm(ds->ds_dir->dd_pool->dp_meta_objset, + dsl_dataset_phys(ds)->ds_snapnames_zapobj, name, 8, 1, &ignored, + MT_FIRST, real, maxlen, conflict)); +} + +int +dmu_snapshot_list_next(objset_t *os, int namelen, char *name, + uint64_t *idp, uint64_t *offp, boolean_t *case_conflict) +{ + dsl_dataset_t *ds = os->os_dsl_dataset; + zap_cursor_t cursor; + zap_attribute_t attr; + + ASSERT(dsl_pool_config_held(dmu_objset_pool(os))); + + if (dsl_dataset_phys(ds)->ds_snapnames_zapobj == 0) + return (SET_ERROR(ENOENT)); + + zap_cursor_init_serialized(&cursor, + ds->ds_dir->dd_pool->dp_meta_objset, + dsl_dataset_phys(ds)->ds_snapnames_zapobj, *offp); + + if (zap_cursor_retrieve(&cursor, &attr) != 0) { + zap_cursor_fini(&cursor); + return (SET_ERROR(ENOENT)); + } + + if (strlen(attr.za_name) + 1 > namelen) { + zap_cursor_fini(&cursor); + return (SET_ERROR(ENAMETOOLONG)); + } + + (void) strcpy(name, attr.za_name); + if (idp) + *idp = attr.za_first_integer; + if (case_conflict) + *case_conflict = attr.za_normalization_conflict; + zap_cursor_advance(&cursor); + *offp = zap_cursor_serialize(&cursor); + zap_cursor_fini(&cursor); + + return (0); +} + +int +dmu_snapshot_lookup(objset_t *os, const char *name, uint64_t *value) +{ + return (dsl_dataset_snap_lookup(os->os_dsl_dataset, name, value)); +} + +int +dmu_dir_list_next(objset_t *os, int namelen, char *name, + uint64_t *idp, uint64_t *offp) +{ + dsl_dir_t *dd = os->os_dsl_dataset->ds_dir; + zap_cursor_t cursor; + zap_attribute_t attr; + + /* there is no next dir on a snapshot! */ + if (os->os_dsl_dataset->ds_object != + dsl_dir_phys(dd)->dd_head_dataset_obj) + return (SET_ERROR(ENOENT)); + + zap_cursor_init_serialized(&cursor, + dd->dd_pool->dp_meta_objset, + dsl_dir_phys(dd)->dd_child_dir_zapobj, *offp); + + if (zap_cursor_retrieve(&cursor, &attr) != 0) { + zap_cursor_fini(&cursor); + return (SET_ERROR(ENOENT)); + } + + if (strlen(attr.za_name) + 1 > namelen) { + zap_cursor_fini(&cursor); + return (SET_ERROR(ENAMETOOLONG)); + } + + (void) strcpy(name, attr.za_name); + if (idp) + *idp = attr.za_first_integer; + zap_cursor_advance(&cursor); + *offp = zap_cursor_serialize(&cursor); + zap_cursor_fini(&cursor); + + return (0); +} + +typedef struct dmu_objset_find_ctx { + taskq_t *dc_tq; + dsl_pool_t *dc_dp; + uint64_t dc_ddobj; + int (*dc_func)(dsl_pool_t *, dsl_dataset_t *, void *); + void *dc_arg; + int dc_flags; + kmutex_t *dc_error_lock; + int *dc_error; +} dmu_objset_find_ctx_t; + +static void +dmu_objset_find_dp_impl(dmu_objset_find_ctx_t *dcp) +{ + dsl_pool_t *dp = dcp->dc_dp; + dmu_objset_find_ctx_t *child_dcp; + dsl_dir_t *dd; + dsl_dataset_t *ds; + zap_cursor_t zc; + zap_attribute_t *attr; + uint64_t thisobj; + int err = 0; + + /* don't process if there already was an error */ + if (*dcp->dc_error != 0) + goto out; + + err = dsl_dir_hold_obj(dp, dcp->dc_ddobj, NULL, FTAG, &dd); + if (err != 0) + goto out; + + /* Don't visit hidden ($MOS & $ORIGIN) objsets. */ + if (dd->dd_myname[0] == '$') { + dsl_dir_rele(dd, FTAG); + goto out; + } + + thisobj = dsl_dir_phys(dd)->dd_head_dataset_obj; + attr = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + + /* + * Iterate over all children. + */ + if (dcp->dc_flags & DS_FIND_CHILDREN) { + for (zap_cursor_init(&zc, dp->dp_meta_objset, + dsl_dir_phys(dd)->dd_child_dir_zapobj); + zap_cursor_retrieve(&zc, attr) == 0; + (void) zap_cursor_advance(&zc)) { + ASSERT3U(attr->za_integer_length, ==, + sizeof (uint64_t)); + ASSERT3U(attr->za_num_integers, ==, 1); + + child_dcp = kmem_alloc(sizeof (*child_dcp), KM_SLEEP); + *child_dcp = *dcp; + child_dcp->dc_ddobj = attr->za_first_integer; + if (dcp->dc_tq != NULL) + (void) taskq_dispatch(dcp->dc_tq, + dmu_objset_find_dp_cb, child_dcp, TQ_SLEEP); + else + dmu_objset_find_dp_impl(child_dcp); + } + zap_cursor_fini(&zc); + } + + /* + * Iterate over all snapshots. + */ + if (dcp->dc_flags & DS_FIND_SNAPSHOTS) { + dsl_dataset_t *ds; + err = dsl_dataset_hold_obj(dp, thisobj, FTAG, &ds); + + if (err == 0) { + uint64_t snapobj; + + snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj; + dsl_dataset_rele(ds, FTAG); + + for (zap_cursor_init(&zc, dp->dp_meta_objset, snapobj); + zap_cursor_retrieve(&zc, attr) == 0; + (void) zap_cursor_advance(&zc)) { + ASSERT3U(attr->za_integer_length, ==, + sizeof (uint64_t)); + ASSERT3U(attr->za_num_integers, ==, 1); + + err = dsl_dataset_hold_obj(dp, + attr->za_first_integer, FTAG, &ds); + if (err != 0) + break; + err = dcp->dc_func(dp, ds, dcp->dc_arg); + dsl_dataset_rele(ds, FTAG); + if (err != 0) + break; + } + zap_cursor_fini(&zc); + } + } + + dsl_dir_rele(dd, FTAG); + kmem_free(attr, sizeof (zap_attribute_t)); + + if (err != 0) + goto out; + + /* + * Apply to self. + */ + err = dsl_dataset_hold_obj(dp, thisobj, FTAG, &ds); + if (err != 0) + goto out; + err = dcp->dc_func(dp, ds, dcp->dc_arg); + dsl_dataset_rele(ds, FTAG); + +out: + if (err != 0) { + mutex_enter(dcp->dc_error_lock); + /* only keep first error */ + if (*dcp->dc_error == 0) + *dcp->dc_error = err; + mutex_exit(dcp->dc_error_lock); + } + + kmem_free(dcp, sizeof (*dcp)); +} + +static void +dmu_objset_find_dp_cb(void *arg) +{ + dmu_objset_find_ctx_t *dcp = arg; + dsl_pool_t *dp = dcp->dc_dp; + + /* + * We need to get a pool_config_lock here, as there are several + * asssert(pool_config_held) down the stack. Getting a lock via + * dsl_pool_config_enter is risky, as it might be stalled by a + * pending writer. This would deadlock, as the write lock can + * only be granted when our parent thread gives up the lock. + * The _prio interface gives us priority over a pending writer. + */ + dsl_pool_config_enter_prio(dp, FTAG); + + dmu_objset_find_dp_impl(dcp); + + dsl_pool_config_exit(dp, FTAG); +} + +/* + * Find objsets under and including ddobj, call func(ds) on each. + * The order for the enumeration is completely undefined. + * func is called with dsl_pool_config held. + */ +int +dmu_objset_find_dp(dsl_pool_t *dp, uint64_t ddobj, + int func(dsl_pool_t *, dsl_dataset_t *, void *), void *arg, int flags) +{ + int error = 0; + taskq_t *tq = NULL; + int ntasks; + dmu_objset_find_ctx_t *dcp; + kmutex_t err_lock; + + mutex_init(&err_lock, NULL, MUTEX_DEFAULT, NULL); + dcp = kmem_alloc(sizeof (*dcp), KM_SLEEP); + dcp->dc_tq = NULL; + dcp->dc_dp = dp; + dcp->dc_ddobj = ddobj; + dcp->dc_func = func; + dcp->dc_arg = arg; + dcp->dc_flags = flags; + dcp->dc_error_lock = &err_lock; + dcp->dc_error = &error; + + if ((flags & DS_FIND_SERIALIZE) || dsl_pool_config_held_writer(dp)) { + /* + * In case a write lock is held we can't make use of + * parallelism, as down the stack of the worker threads + * the lock is asserted via dsl_pool_config_held. + * In case of a read lock this is solved by getting a read + * lock in each worker thread, which isn't possible in case + * of a writer lock. So we fall back to the synchronous path + * here. + * In the future it might be possible to get some magic into + * dsl_pool_config_held in a way that it returns true for + * the worker threads so that a single lock held from this + * thread suffices. For now, stay single threaded. + */ + dmu_objset_find_dp_impl(dcp); + + return (error); + } + + ntasks = dmu_find_threads; + if (ntasks == 0) + ntasks = vdev_count_leaves(dp->dp_spa) * 4; + tq = taskq_create("dmu_objset_find", ntasks, maxclsyspri, ntasks, + INT_MAX, 0); + if (tq == NULL) { + kmem_free(dcp, sizeof (*dcp)); + return (SET_ERROR(ENOMEM)); + } + dcp->dc_tq = tq; + + /* dcp will be freed by task */ + (void) taskq_dispatch(tq, dmu_objset_find_dp_cb, dcp, TQ_SLEEP); + + /* + * PORTING: this code relies on the property of taskq_wait to wait + * until no more tasks are queued and no more tasks are active. As + * we always queue new tasks from within other tasks, task_wait + * reliably waits for the full recursion to finish, even though we + * enqueue new tasks after taskq_wait has been called. + * On platforms other than illumos, taskq_wait may not have this + * property. + */ + taskq_wait(tq); + taskq_destroy(tq); + mutex_destroy(&err_lock); + + return (error); +} + +/* + * Find all objsets under name, and for each, call 'func(child_name, arg)'. + * The dp_config_rwlock must not be held when this is called, and it + * will not be held when the callback is called. + * Therefore this function should only be used when the pool is not changing + * (e.g. in syncing context), or the callback can deal with the possible races. + */ +static int +dmu_objset_find_impl(spa_t *spa, const char *name, + int func(const char *, void *), void *arg, int flags) +{ + dsl_dir_t *dd; + dsl_pool_t *dp = spa_get_dsl(spa); + dsl_dataset_t *ds; + zap_cursor_t zc; + zap_attribute_t *attr; + char *child; + uint64_t thisobj; + int err; + + dsl_pool_config_enter(dp, FTAG); + + err = dsl_dir_hold(dp, name, FTAG, &dd, NULL); + if (err != 0) { + dsl_pool_config_exit(dp, FTAG); + return (err); + } + + /* Don't visit hidden ($MOS & $ORIGIN) objsets. */ + if (dd->dd_myname[0] == '$') { + dsl_dir_rele(dd, FTAG); + dsl_pool_config_exit(dp, FTAG); + return (0); + } + + thisobj = dsl_dir_phys(dd)->dd_head_dataset_obj; + attr = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + + /* + * Iterate over all children. + */ + if (flags & DS_FIND_CHILDREN) { + for (zap_cursor_init(&zc, dp->dp_meta_objset, + dsl_dir_phys(dd)->dd_child_dir_zapobj); + zap_cursor_retrieve(&zc, attr) == 0; + (void) zap_cursor_advance(&zc)) { + ASSERT3U(attr->za_integer_length, ==, + sizeof (uint64_t)); + ASSERT3U(attr->za_num_integers, ==, 1); + + child = kmem_asprintf("%s/%s", name, attr->za_name); + dsl_pool_config_exit(dp, FTAG); + err = dmu_objset_find_impl(spa, child, + func, arg, flags); + dsl_pool_config_enter(dp, FTAG); + strfree(child); + if (err != 0) + break; + } + zap_cursor_fini(&zc); + + if (err != 0) { + dsl_dir_rele(dd, FTAG); + dsl_pool_config_exit(dp, FTAG); + kmem_free(attr, sizeof (zap_attribute_t)); + return (err); + } + } + + /* + * Iterate over all snapshots. + */ + if (flags & DS_FIND_SNAPSHOTS) { + err = dsl_dataset_hold_obj(dp, thisobj, FTAG, &ds); + + if (err == 0) { + uint64_t snapobj; + + snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj; + dsl_dataset_rele(ds, FTAG); + + for (zap_cursor_init(&zc, dp->dp_meta_objset, snapobj); + zap_cursor_retrieve(&zc, attr) == 0; + (void) zap_cursor_advance(&zc)) { + ASSERT3U(attr->za_integer_length, ==, + sizeof (uint64_t)); + ASSERT3U(attr->za_num_integers, ==, 1); + + child = kmem_asprintf("%s@%s", + name, attr->za_name); + dsl_pool_config_exit(dp, FTAG); + err = func(child, arg); + dsl_pool_config_enter(dp, FTAG); + strfree(child); + if (err != 0) + break; + } + zap_cursor_fini(&zc); + } + } + + dsl_dir_rele(dd, FTAG); + kmem_free(attr, sizeof (zap_attribute_t)); + dsl_pool_config_exit(dp, FTAG); + + if (err != 0) + return (err); + + /* Apply to self. */ + return (func(name, arg)); +} + +/* + * See comment above dmu_objset_find_impl(). + */ +int +dmu_objset_find(char *name, int func(const char *, void *), void *arg, + int flags) +{ + spa_t *spa; + int error; + + error = spa_open(name, &spa, FTAG); + if (error != 0) + return (error); + error = dmu_objset_find_impl(spa, name, func, arg, flags); + spa_close(spa, FTAG); + return (error); +} + +void +dmu_objset_set_user(objset_t *os, void *user_ptr) +{ + ASSERT(MUTEX_HELD(&os->os_user_ptr_lock)); + os->os_user_ptr = user_ptr; +} + +void * +dmu_objset_get_user(objset_t *os) +{ + ASSERT(MUTEX_HELD(&os->os_user_ptr_lock)); + return (os->os_user_ptr); +} + +/* + * Determine name of filesystem, given name of snapshot. + * buf must be at least MAXNAMELEN bytes + */ +int +dmu_fsname(const char *snapname, char *buf) +{ + char *atp = strchr(snapname, '@'); + if (atp == NULL) + return (SET_ERROR(EINVAL)); + if (atp - snapname >= MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + (void) strlcpy(buf, snapname, atp - snapname + 1); + return (0); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dmu_objset_zil); +EXPORT_SYMBOL(dmu_objset_pool); +EXPORT_SYMBOL(dmu_objset_ds); +EXPORT_SYMBOL(dmu_objset_type); +EXPORT_SYMBOL(dmu_objset_name); +EXPORT_SYMBOL(dmu_objset_hold); +EXPORT_SYMBOL(dmu_objset_own); +EXPORT_SYMBOL(dmu_objset_rele); +EXPORT_SYMBOL(dmu_objset_disown); +EXPORT_SYMBOL(dmu_objset_from_ds); +EXPORT_SYMBOL(dmu_objset_create); +EXPORT_SYMBOL(dmu_objset_clone); +EXPORT_SYMBOL(dmu_objset_stats); +EXPORT_SYMBOL(dmu_objset_fast_stat); +EXPORT_SYMBOL(dmu_objset_spa); +EXPORT_SYMBOL(dmu_objset_space); +EXPORT_SYMBOL(dmu_objset_fsid_guid); +EXPORT_SYMBOL(dmu_objset_find); +EXPORT_SYMBOL(dmu_objset_byteswap); +EXPORT_SYMBOL(dmu_objset_evict_dbufs); +EXPORT_SYMBOL(dmu_objset_snap_cmtime); + +EXPORT_SYMBOL(dmu_objset_sync); +EXPORT_SYMBOL(dmu_objset_is_dirty); +EXPORT_SYMBOL(dmu_objset_create_impl); +EXPORT_SYMBOL(dmu_objset_open_impl); +EXPORT_SYMBOL(dmu_objset_evict); +EXPORT_SYMBOL(dmu_objset_register_type); +EXPORT_SYMBOL(dmu_objset_do_userquota_updates); +EXPORT_SYMBOL(dmu_objset_userquota_get_ids); +EXPORT_SYMBOL(dmu_objset_userused_enabled); +EXPORT_SYMBOL(dmu_objset_userspace_upgrade); +EXPORT_SYMBOL(dmu_objset_userspace_present); +#endif diff --git a/zfs/module/zfs/dmu_send.c b/zfs/module/zfs/dmu_send.c new file mode 100644 index 000000000000..940454977c69 --- /dev/null +++ b/zfs/module/zfs/dmu_send.c @@ -0,0 +1,2281 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011 by Delphix. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2014, Joyent, Inc. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Set this tunable to TRUE to replace corrupt data with 0x2f5baddb10c */ +int zfs_send_corrupt_data = B_FALSE; + +static char *dmu_recv_tag = "dmu_recv_tag"; +static const char *recv_clone_name = "%recv"; + +typedef struct dump_bytes_io { + dmu_sendarg_t *dbi_dsp; + void *dbi_buf; + int dbi_len; +} dump_bytes_io_t; + +static void +dump_bytes_cb(void *arg) +{ + dump_bytes_io_t *dbi = (dump_bytes_io_t *)arg; + dmu_sendarg_t *dsp = dbi->dbi_dsp; + dsl_dataset_t *ds = dsp->dsa_os->os_dsl_dataset; + ssize_t resid; /* have to get resid to get detailed errno */ + ASSERT0(dbi->dbi_len % 8); + + fletcher_4_incremental_native(dbi->dbi_buf, dbi->dbi_len, &dsp->dsa_zc); + dsp->dsa_err = vn_rdwr(UIO_WRITE, dsp->dsa_vp, + (caddr_t)dbi->dbi_buf, dbi->dbi_len, + 0, UIO_SYSSPACE, FAPPEND, RLIM64_INFINITY, CRED(), &resid); + + mutex_enter(&ds->ds_sendstream_lock); + *dsp->dsa_off += dbi->dbi_len; + mutex_exit(&ds->ds_sendstream_lock); +} + +static int +dump_bytes(dmu_sendarg_t *dsp, void *buf, int len) +{ + dump_bytes_io_t dbi; + + dbi.dbi_dsp = dsp; + dbi.dbi_buf = buf; + dbi.dbi_len = len; + +#if defined(HAVE_LARGE_STACKS) + dump_bytes_cb(&dbi); +#else + /* + * The vn_rdwr() call is performed in a taskq to ensure that there is + * always enough stack space to write safely to the target filesystem. + * The ZIO_TYPE_FREE threads are used because there can be a lot of + * them and they are used in vdev_file.c for a similar purpose. + */ + spa_taskq_dispatch_sync(dmu_objset_spa(dsp->dsa_os), ZIO_TYPE_FREE, + ZIO_TASKQ_ISSUE, dump_bytes_cb, &dbi, TQ_SLEEP); +#endif /* HAVE_LARGE_STACKS */ + + return (dsp->dsa_err); +} + +static int +dump_free(dmu_sendarg_t *dsp, uint64_t object, uint64_t offset, + uint64_t length) +{ + struct drr_free *drrf = &(dsp->dsa_drr->drr_u.drr_free); + + /* + * When we receive a free record, dbuf_free_range() assumes + * that the receiving system doesn't have any dbufs in the range + * being freed. This is always true because there is a one-record + * constraint: we only send one WRITE record for any given + * object+offset. We know that the one-record constraint is + * true because we always send data in increasing order by + * object,offset. + * + * If the increasing-order constraint ever changes, we should find + * another way to assert that the one-record constraint is still + * satisfied. + */ + ASSERT(object > dsp->dsa_last_data_object || + (object == dsp->dsa_last_data_object && + offset > dsp->dsa_last_data_offset)); + + /* + * If we are doing a non-incremental send, then there can't + * be any data in the dataset we're receiving into. Therefore + * a free record would simply be a no-op. Save space by not + * sending it to begin with. + */ + if (!dsp->dsa_incremental) + return (0); + + if (length != -1ULL && offset + length < offset) + length = -1ULL; + + /* + * If there is a pending op, but it's not PENDING_FREE, push it out, + * since free block aggregation can only be done for blocks of the + * same type (i.e., DRR_FREE records can only be aggregated with + * other DRR_FREE records. DRR_FREEOBJECTS records can only be + * aggregated with other DRR_FREEOBJECTS records. + */ + if (dsp->dsa_pending_op != PENDING_NONE && + dsp->dsa_pending_op != PENDING_FREE) { + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + dsp->dsa_pending_op = PENDING_NONE; + } + + if (dsp->dsa_pending_op == PENDING_FREE) { + /* + * There should never be a PENDING_FREE if length is -1 + * (because dump_dnode is the only place where this + * function is called with a -1, and only after flushing + * any pending record). + */ + ASSERT(length != -1ULL); + /* + * Check to see whether this free block can be aggregated + * with pending one. + */ + if (drrf->drr_object == object && drrf->drr_offset + + drrf->drr_length == offset) { + drrf->drr_length += length; + return (0); + } else { + /* not a continuation. Push out pending record */ + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + dsp->dsa_pending_op = PENDING_NONE; + } + } + /* create a FREE record and make it pending */ + bzero(dsp->dsa_drr, sizeof (dmu_replay_record_t)); + dsp->dsa_drr->drr_type = DRR_FREE; + drrf->drr_object = object; + drrf->drr_offset = offset; + drrf->drr_length = length; + drrf->drr_toguid = dsp->dsa_toguid; + if (length == -1ULL) { + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + } else { + dsp->dsa_pending_op = PENDING_FREE; + } + + return (0); +} + +static int +dump_write(dmu_sendarg_t *dsp, dmu_object_type_t type, + uint64_t object, uint64_t offset, int blksz, const blkptr_t *bp, void *data) +{ + struct drr_write *drrw = &(dsp->dsa_drr->drr_u.drr_write); + + /* + * We send data in increasing object, offset order. + * See comment in dump_free() for details. + */ + ASSERT(object > dsp->dsa_last_data_object || + (object == dsp->dsa_last_data_object && + offset > dsp->dsa_last_data_offset)); + dsp->dsa_last_data_object = object; + dsp->dsa_last_data_offset = offset + blksz - 1; + + /* + * If there is any kind of pending aggregation (currently either + * a grouping of free objects or free blocks), push it out to + * the stream, since aggregation can't be done across operations + * of different types. + */ + if (dsp->dsa_pending_op != PENDING_NONE) { + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + dsp->dsa_pending_op = PENDING_NONE; + } + /* write a DATA record */ + bzero(dsp->dsa_drr, sizeof (dmu_replay_record_t)); + dsp->dsa_drr->drr_type = DRR_WRITE; + drrw->drr_object = object; + drrw->drr_type = type; + drrw->drr_offset = offset; + drrw->drr_length = blksz; + drrw->drr_toguid = dsp->dsa_toguid; + if (bp == NULL || BP_IS_EMBEDDED(bp)) { + /* + * There's no pre-computed checksum for partial-block + * writes or embedded BP's, so (like + * fletcher4-checkummed blocks) userland will have to + * compute a dedup-capable checksum itself. + */ + drrw->drr_checksumtype = ZIO_CHECKSUM_OFF; + } else { + drrw->drr_checksumtype = BP_GET_CHECKSUM(bp); + if (zio_checksum_table[drrw->drr_checksumtype].ci_dedup) + drrw->drr_checksumflags |= DRR_CHECKSUM_DEDUP; + DDK_SET_LSIZE(&drrw->drr_key, BP_GET_LSIZE(bp)); + DDK_SET_PSIZE(&drrw->drr_key, BP_GET_PSIZE(bp)); + DDK_SET_COMPRESS(&drrw->drr_key, BP_GET_COMPRESS(bp)); + drrw->drr_key.ddk_cksum = bp->blk_cksum; + } + + if (dump_bytes(dsp, dsp->dsa_drr, sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + if (dump_bytes(dsp, data, blksz) != 0) + return (SET_ERROR(EINTR)); + return (0); +} + +static int +dump_write_embedded(dmu_sendarg_t *dsp, uint64_t object, uint64_t offset, + int blksz, const blkptr_t *bp) +{ + char buf[BPE_PAYLOAD_SIZE]; + struct drr_write_embedded *drrw = + &(dsp->dsa_drr->drr_u.drr_write_embedded); + + if (dsp->dsa_pending_op != PENDING_NONE) { + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (EINTR); + dsp->dsa_pending_op = PENDING_NONE; + } + + ASSERT(BP_IS_EMBEDDED(bp)); + + bzero(dsp->dsa_drr, sizeof (dmu_replay_record_t)); + dsp->dsa_drr->drr_type = DRR_WRITE_EMBEDDED; + drrw->drr_object = object; + drrw->drr_offset = offset; + drrw->drr_length = blksz; + drrw->drr_toguid = dsp->dsa_toguid; + drrw->drr_compression = BP_GET_COMPRESS(bp); + drrw->drr_etype = BPE_GET_ETYPE(bp); + drrw->drr_lsize = BPE_GET_LSIZE(bp); + drrw->drr_psize = BPE_GET_PSIZE(bp); + + decode_embedded_bp_compressed(bp, buf); + + if (dump_bytes(dsp, dsp->dsa_drr, sizeof (dmu_replay_record_t)) != 0) + return (EINTR); + if (dump_bytes(dsp, buf, P2ROUNDUP(drrw->drr_psize, 8)) != 0) + return (EINTR); + return (0); +} + +static int +dump_spill(dmu_sendarg_t *dsp, uint64_t object, int blksz, void *data) +{ + struct drr_spill *drrs = &(dsp->dsa_drr->drr_u.drr_spill); + + if (dsp->dsa_pending_op != PENDING_NONE) { + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + dsp->dsa_pending_op = PENDING_NONE; + } + + /* write a SPILL record */ + bzero(dsp->dsa_drr, sizeof (dmu_replay_record_t)); + dsp->dsa_drr->drr_type = DRR_SPILL; + drrs->drr_object = object; + drrs->drr_length = blksz; + drrs->drr_toguid = dsp->dsa_toguid; + + if (dump_bytes(dsp, dsp->dsa_drr, sizeof (dmu_replay_record_t))) + return (SET_ERROR(EINTR)); + if (dump_bytes(dsp, data, blksz)) + return (SET_ERROR(EINTR)); + return (0); +} + +static int +dump_freeobjects(dmu_sendarg_t *dsp, uint64_t firstobj, uint64_t numobjs) +{ + struct drr_freeobjects *drrfo = &(dsp->dsa_drr->drr_u.drr_freeobjects); + + /* See comment in dump_free(). */ + if (!dsp->dsa_incremental) + return (0); + + /* + * If there is a pending op, but it's not PENDING_FREEOBJECTS, + * push it out, since free block aggregation can only be done for + * blocks of the same type (i.e., DRR_FREE records can only be + * aggregated with other DRR_FREE records. DRR_FREEOBJECTS records + * can only be aggregated with other DRR_FREEOBJECTS records. + */ + if (dsp->dsa_pending_op != PENDING_NONE && + dsp->dsa_pending_op != PENDING_FREEOBJECTS) { + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + dsp->dsa_pending_op = PENDING_NONE; + } + if (dsp->dsa_pending_op == PENDING_FREEOBJECTS) { + /* + * See whether this free object array can be aggregated + * with pending one + */ + if (drrfo->drr_firstobj + drrfo->drr_numobjs == firstobj) { + drrfo->drr_numobjs += numobjs; + return (0); + } else { + /* can't be aggregated. Push out pending record */ + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + dsp->dsa_pending_op = PENDING_NONE; + } + } + + /* write a FREEOBJECTS record */ + bzero(dsp->dsa_drr, sizeof (dmu_replay_record_t)); + dsp->dsa_drr->drr_type = DRR_FREEOBJECTS; + drrfo->drr_firstobj = firstobj; + drrfo->drr_numobjs = numobjs; + drrfo->drr_toguid = dsp->dsa_toguid; + + dsp->dsa_pending_op = PENDING_FREEOBJECTS; + + return (0); +} + +static int +dump_dnode(dmu_sendarg_t *dsp, uint64_t object, dnode_phys_t *dnp) +{ + struct drr_object *drro = &(dsp->dsa_drr->drr_u.drr_object); + + if (dnp == NULL || dnp->dn_type == DMU_OT_NONE) + return (dump_freeobjects(dsp, object, 1)); + + if (dsp->dsa_pending_op != PENDING_NONE) { + if (dump_bytes(dsp, dsp->dsa_drr, + sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + dsp->dsa_pending_op = PENDING_NONE; + } + + /* write an OBJECT record */ + bzero(dsp->dsa_drr, sizeof (dmu_replay_record_t)); + dsp->dsa_drr->drr_type = DRR_OBJECT; + drro->drr_object = object; + drro->drr_type = dnp->dn_type; + drro->drr_bonustype = dnp->dn_bonustype; + drro->drr_blksz = dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT; + drro->drr_bonuslen = dnp->dn_bonuslen; + drro->drr_checksumtype = dnp->dn_checksum; + drro->drr_compress = dnp->dn_compress; + drro->drr_toguid = dsp->dsa_toguid; + + if (!(dsp->dsa_featureflags & DMU_BACKUP_FEATURE_LARGE_BLOCKS) && + drro->drr_blksz > SPA_OLD_MAXBLOCKSIZE) + drro->drr_blksz = SPA_OLD_MAXBLOCKSIZE; + + if (dump_bytes(dsp, dsp->dsa_drr, sizeof (dmu_replay_record_t)) != 0) + return (SET_ERROR(EINTR)); + + if (dump_bytes(dsp, DN_BONUS(dnp), P2ROUNDUP(dnp->dn_bonuslen, 8)) != 0) + return (SET_ERROR(EINTR)); + + /* Free anything past the end of the file. */ + if (dump_free(dsp, object, (dnp->dn_maxblkid + 1) * + (dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT), -1ULL) != 0) + return (SET_ERROR(EINTR)); + if (dsp->dsa_err != 0) + return (SET_ERROR(EINTR)); + return (0); +} + +static boolean_t +backup_do_embed(dmu_sendarg_t *dsp, const blkptr_t *bp) +{ + if (!BP_IS_EMBEDDED(bp)) + return (B_FALSE); + + /* + * Compression function must be legacy, or explicitly enabled. + */ + if ((BP_GET_COMPRESS(bp) >= ZIO_COMPRESS_LEGACY_FUNCTIONS && + !(dsp->dsa_featureflags & DMU_BACKUP_FEATURE_EMBED_DATA_LZ4))) + return (B_FALSE); + + /* + * Embed type must be explicitly enabled. + */ + switch (BPE_GET_ETYPE(bp)) { + case BP_EMBEDDED_TYPE_DATA: + if (dsp->dsa_featureflags & DMU_BACKUP_FEATURE_EMBED_DATA) + return (B_TRUE); + break; + default: + return (B_FALSE); + } + return (B_FALSE); +} + +#define BP_SPAN(dnp, level) \ + (((uint64_t)dnp->dn_datablkszsec) << (SPA_MINBLOCKSHIFT + \ + (level) * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) + +/* ARGSUSED */ +static int +backup_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) +{ + dmu_sendarg_t *dsp = arg; + dmu_object_type_t type = bp ? BP_GET_TYPE(bp) : DMU_OT_NONE; + int err = 0; + + if (issig(JUSTLOOKING) && issig(FORREAL)) + return (SET_ERROR(EINTR)); + + if (zb->zb_object != DMU_META_DNODE_OBJECT && + DMU_OBJECT_IS_SPECIAL(zb->zb_object)) { + return (0); + } else if (zb->zb_level == ZB_ZIL_LEVEL) { + /* + * If we are sending a non-snapshot (which is allowed on + * read-only pools), it may have a ZIL, which must be ignored. + */ + return (0); + } else if (BP_IS_HOLE(bp) && + zb->zb_object == DMU_META_DNODE_OBJECT) { + uint64_t span = BP_SPAN(dnp, zb->zb_level); + uint64_t dnobj = (zb->zb_blkid * span) >> DNODE_SHIFT; + err = dump_freeobjects(dsp, dnobj, span >> DNODE_SHIFT); + } else if (BP_IS_HOLE(bp)) { + uint64_t span = BP_SPAN(dnp, zb->zb_level); + err = dump_free(dsp, zb->zb_object, zb->zb_blkid * span, span); + } else if (zb->zb_level > 0 || type == DMU_OT_OBJSET) { + return (0); + } else if (type == DMU_OT_DNODE) { + dnode_phys_t *blk; + int i; + int blksz = BP_GET_LSIZE(bp); + arc_flags_t aflags = ARC_FLAG_WAIT; + arc_buf_t *abuf; + + if (arc_read(NULL, spa, bp, arc_getbuf_func, &abuf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, + &aflags, zb) != 0) + return (SET_ERROR(EIO)); + + blk = abuf->b_data; + for (i = 0; i < blksz >> DNODE_SHIFT; i++) { + uint64_t dnobj = (zb->zb_blkid << + (DNODE_BLOCK_SHIFT - DNODE_SHIFT)) + i; + err = dump_dnode(dsp, dnobj, blk+i); + if (err != 0) + break; + } + (void) arc_buf_remove_ref(abuf, &abuf); + } else if (type == DMU_OT_SA) { + arc_flags_t aflags = ARC_FLAG_WAIT; + arc_buf_t *abuf; + int blksz = BP_GET_LSIZE(bp); + + if (arc_read(NULL, spa, bp, arc_getbuf_func, &abuf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, + &aflags, zb) != 0) + return (SET_ERROR(EIO)); + + err = dump_spill(dsp, zb->zb_object, blksz, abuf->b_data); + (void) arc_buf_remove_ref(abuf, &abuf); + } else if (backup_do_embed(dsp, bp)) { + /* it's an embedded level-0 block of a regular object */ + int blksz = dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT; + err = dump_write_embedded(dsp, zb->zb_object, + zb->zb_blkid * blksz, blksz, bp); + } else { /* it's a level-0 block of a regular object */ + uint64_t offset; + arc_flags_t aflags = ARC_FLAG_WAIT; + arc_buf_t *abuf; + int blksz = BP_GET_LSIZE(bp); + + ASSERT3U(blksz, ==, dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); + ASSERT0(zb->zb_level); + if (arc_read(NULL, spa, bp, arc_getbuf_func, &abuf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, + &aflags, zb) != 0) { + if (zfs_send_corrupt_data) { + uint64_t *ptr; + /* Send a block filled with 0x"zfs badd bloc" */ + abuf = arc_buf_alloc(spa, blksz, &abuf, + ARC_BUFC_DATA); + for (ptr = abuf->b_data; + (char *)ptr < (char *)abuf->b_data + blksz; + ptr++) + *ptr = 0x2f5baddb10cULL; + } else { + return (SET_ERROR(EIO)); + } + } + + offset = zb->zb_blkid * blksz; + + if (!(dsp->dsa_featureflags & + DMU_BACKUP_FEATURE_LARGE_BLOCKS) && + blksz > SPA_OLD_MAXBLOCKSIZE) { + char *buf = abuf->b_data; + while (blksz > 0 && err == 0) { + int n = MIN(blksz, SPA_OLD_MAXBLOCKSIZE); + err = dump_write(dsp, type, zb->zb_object, + offset, n, NULL, buf); + offset += n; + buf += n; + blksz -= n; + } + } else { + err = dump_write(dsp, type, zb->zb_object, + offset, blksz, bp, abuf->b_data); + } + (void) arc_buf_remove_ref(abuf, &abuf); + } + + ASSERT(err == 0 || err == EINTR); + return (err); +} + +/* + * Releases dp using the specified tag. + */ +static int +dmu_send_impl(void *tag, dsl_pool_t *dp, dsl_dataset_t *ds, + zfs_bookmark_phys_t *fromzb, boolean_t is_clone, boolean_t embedok, + boolean_t large_block_ok, int outfd, vnode_t *vp, offset_t *off) +{ + objset_t *os; + dmu_replay_record_t *drr; + dmu_sendarg_t *dsp; + int err; + uint64_t fromtxg = 0; + uint64_t featureflags = 0; + + err = dmu_objset_from_ds(ds, &os); + if (err != 0) { + dsl_pool_rele(dp, tag); + return (err); + } + + drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP); + drr->drr_type = DRR_BEGIN; + drr->drr_u.drr_begin.drr_magic = DMU_BACKUP_MAGIC; + DMU_SET_STREAM_HDRTYPE(drr->drr_u.drr_begin.drr_versioninfo, + DMU_SUBSTREAM); + +#ifdef _KERNEL + if (dmu_objset_type(os) == DMU_OST_ZFS) { + uint64_t version; + if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &version) != 0) { + kmem_free(drr, sizeof (dmu_replay_record_t)); + dsl_pool_rele(dp, tag); + return (SET_ERROR(EINVAL)); + } + if (version >= ZPL_VERSION_SA) { + featureflags |= DMU_BACKUP_FEATURE_SA_SPILL; + } + } +#endif + + if (large_block_ok && ds->ds_large_blocks) + featureflags |= DMU_BACKUP_FEATURE_LARGE_BLOCKS; + if (embedok && + spa_feature_is_active(dp->dp_spa, SPA_FEATURE_EMBEDDED_DATA)) { + featureflags |= DMU_BACKUP_FEATURE_EMBED_DATA; + if (spa_feature_is_active(dp->dp_spa, SPA_FEATURE_LZ4_COMPRESS)) + featureflags |= DMU_BACKUP_FEATURE_EMBED_DATA_LZ4; + } else { + embedok = B_FALSE; + } + + DMU_SET_FEATUREFLAGS(drr->drr_u.drr_begin.drr_versioninfo, + featureflags); + + drr->drr_u.drr_begin.drr_creation_time = + dsl_dataset_phys(ds)->ds_creation_time; + drr->drr_u.drr_begin.drr_type = dmu_objset_type(os); + if (is_clone) + drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_CLONE; + drr->drr_u.drr_begin.drr_toguid = dsl_dataset_phys(ds)->ds_guid; + if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET) + drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_CI_DATA; + + if (fromzb != NULL) { + drr->drr_u.drr_begin.drr_fromguid = fromzb->zbm_guid; + fromtxg = fromzb->zbm_creation_txg; + } + dsl_dataset_name(ds, drr->drr_u.drr_begin.drr_toname); + if (!ds->ds_is_snapshot) { + (void) strlcat(drr->drr_u.drr_begin.drr_toname, "@--head--", + sizeof (drr->drr_u.drr_begin.drr_toname)); + } + + dsp = kmem_zalloc(sizeof (dmu_sendarg_t), KM_SLEEP); + + dsp->dsa_drr = drr; + dsp->dsa_vp = vp; + dsp->dsa_outfd = outfd; + dsp->dsa_proc = curproc; + dsp->dsa_os = os; + dsp->dsa_off = off; + dsp->dsa_toguid = dsl_dataset_phys(ds)->ds_guid; + ZIO_SET_CHECKSUM(&dsp->dsa_zc, 0, 0, 0, 0); + dsp->dsa_pending_op = PENDING_NONE; + dsp->dsa_incremental = (fromzb != NULL); + dsp->dsa_featureflags = featureflags; + + mutex_enter(&ds->ds_sendstream_lock); + list_insert_head(&ds->ds_sendstreams, dsp); + mutex_exit(&ds->ds_sendstream_lock); + + dsl_dataset_long_hold(ds, FTAG); + dsl_pool_rele(dp, tag); + + if (dump_bytes(dsp, drr, sizeof (dmu_replay_record_t)) != 0) { + err = dsp->dsa_err; + goto out; + } + + err = traverse_dataset(ds, fromtxg, TRAVERSE_PRE | TRAVERSE_PREFETCH, + backup_cb, dsp); + + if (dsp->dsa_pending_op != PENDING_NONE) + if (dump_bytes(dsp, drr, sizeof (dmu_replay_record_t)) != 0) + err = SET_ERROR(EINTR); + + if (err != 0) { + if (err == EINTR && dsp->dsa_err != 0) + err = dsp->dsa_err; + goto out; + } + + bzero(drr, sizeof (dmu_replay_record_t)); + drr->drr_type = DRR_END; + drr->drr_u.drr_end.drr_checksum = dsp->dsa_zc; + drr->drr_u.drr_end.drr_toguid = dsp->dsa_toguid; + + if (dump_bytes(dsp, drr, sizeof (dmu_replay_record_t)) != 0) { + err = dsp->dsa_err; + goto out; + } + +out: + mutex_enter(&ds->ds_sendstream_lock); + list_remove(&ds->ds_sendstreams, dsp); + mutex_exit(&ds->ds_sendstream_lock); + + kmem_free(drr, sizeof (dmu_replay_record_t)); + kmem_free(dsp, sizeof (dmu_sendarg_t)); + + dsl_dataset_long_rele(ds, FTAG); + + return (err); +} + +int +dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap, + boolean_t embedok, boolean_t large_block_ok, + int outfd, vnode_t *vp, offset_t *off) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + dsl_dataset_t *fromds = NULL; + int err; + + err = dsl_pool_hold(pool, FTAG, &dp); + if (err != 0) + return (err); + + err = dsl_dataset_hold_obj(dp, tosnap, FTAG, &ds); + if (err != 0) { + dsl_pool_rele(dp, FTAG); + return (err); + } + + if (fromsnap != 0) { + zfs_bookmark_phys_t zb; + boolean_t is_clone; + + err = dsl_dataset_hold_obj(dp, fromsnap, FTAG, &fromds); + if (err != 0) { + dsl_dataset_rele(ds, FTAG); + dsl_pool_rele(dp, FTAG); + return (err); + } + if (!dsl_dataset_is_before(ds, fromds, 0)) + err = SET_ERROR(EXDEV); + zb.zbm_creation_time = + dsl_dataset_phys(fromds)->ds_creation_time; + zb.zbm_creation_txg = dsl_dataset_phys(fromds)->ds_creation_txg; + zb.zbm_guid = dsl_dataset_phys(fromds)->ds_guid; + is_clone = (fromds->ds_dir != ds->ds_dir); + dsl_dataset_rele(fromds, FTAG); + err = dmu_send_impl(FTAG, dp, ds, &zb, is_clone, + embedok, large_block_ok, outfd, vp, off); + } else { + err = dmu_send_impl(FTAG, dp, ds, NULL, B_FALSE, + embedok, large_block_ok, outfd, vp, off); + } + dsl_dataset_rele(ds, FTAG); + return (err); +} + +int +dmu_send(const char *tosnap, const char *fromsnap, + boolean_t embedok, boolean_t large_block_ok, + int outfd, vnode_t *vp, offset_t *off) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + int err; + boolean_t owned = B_FALSE; + + if (fromsnap != NULL && strpbrk(fromsnap, "@#") == NULL) + return (SET_ERROR(EINVAL)); + + err = dsl_pool_hold(tosnap, FTAG, &dp); + if (err != 0) + return (err); + + if (strchr(tosnap, '@') == NULL && spa_writeable(dp->dp_spa)) { + /* + * We are sending a filesystem or volume. Ensure + * that it doesn't change by owning the dataset. + */ + err = dsl_dataset_own(dp, tosnap, FTAG, &ds); + owned = B_TRUE; + } else { + err = dsl_dataset_hold(dp, tosnap, FTAG, &ds); + } + if (err != 0) { + dsl_pool_rele(dp, FTAG); + return (err); + } + + if (fromsnap != NULL) { + zfs_bookmark_phys_t zb; + boolean_t is_clone = B_FALSE; + int fsnamelen = strchr(tosnap, '@') - tosnap; + + /* + * If the fromsnap is in a different filesystem, then + * mark the send stream as a clone. + */ + if (strncmp(tosnap, fromsnap, fsnamelen) != 0 || + (fromsnap[fsnamelen] != '@' && + fromsnap[fsnamelen] != '#')) { + is_clone = B_TRUE; + } + + if (strchr(fromsnap, '@')) { + dsl_dataset_t *fromds; + err = dsl_dataset_hold(dp, fromsnap, FTAG, &fromds); + if (err == 0) { + if (!dsl_dataset_is_before(ds, fromds, 0)) + err = SET_ERROR(EXDEV); + zb.zbm_creation_time = + dsl_dataset_phys(fromds)->ds_creation_time; + zb.zbm_creation_txg = + dsl_dataset_phys(fromds)->ds_creation_txg; + zb.zbm_guid = dsl_dataset_phys(fromds)->ds_guid; + is_clone = (ds->ds_dir != fromds->ds_dir); + dsl_dataset_rele(fromds, FTAG); + } + } else { + err = dsl_bookmark_lookup(dp, fromsnap, ds, &zb); + } + if (err != 0) { + dsl_dataset_rele(ds, FTAG); + dsl_pool_rele(dp, FTAG); + return (err); + } + err = dmu_send_impl(FTAG, dp, ds, &zb, is_clone, + embedok, large_block_ok, outfd, vp, off); + } else { + err = dmu_send_impl(FTAG, dp, ds, NULL, B_FALSE, + embedok, large_block_ok, outfd, vp, off); + } + if (owned) + dsl_dataset_disown(ds, FTAG); + else + dsl_dataset_rele(ds, FTAG); + return (err); +} + +static int +dmu_adjust_send_estimate_for_indirects(dsl_dataset_t *ds, uint64_t size, + uint64_t *sizep) +{ + int err; + /* + * Assume that space (both on-disk and in-stream) is dominated by + * data. We will adjust for indirect blocks and the copies property, + * but ignore per-object space used (eg, dnodes and DRR_OBJECT records). + */ + + /* + * Subtract out approximate space used by indirect blocks. + * Assume most space is used by data blocks (non-indirect, non-dnode). + * Assume all blocks are recordsize. Assume ditto blocks and + * internal fragmentation counter out compression. + * + * Therefore, space used by indirect blocks is sizeof(blkptr_t) per + * block, which we observe in practice. + */ + uint64_t recordsize; + err = dsl_prop_get_int_ds(ds, "recordsize", &recordsize); + if (err != 0) + return (err); + size -= size / recordsize * sizeof (blkptr_t); + + /* Add in the space for the record associated with each block. */ + size += size / recordsize * sizeof (dmu_replay_record_t); + + *sizep = size; + + return (0); +} + +int +dmu_send_estimate(dsl_dataset_t *ds, dsl_dataset_t *fromds, uint64_t *sizep) +{ + int err; + uint64_t size; + + ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool)); + + /* tosnap must be a snapshot */ + if (!ds->ds_is_snapshot) + return (SET_ERROR(EINVAL)); + + /* fromsnap, if provided, must be a snapshot */ + if (fromds != NULL && !fromds->ds_is_snapshot) + return (SET_ERROR(EINVAL)); + + /* + * fromsnap must be an earlier snapshot from the same fs as tosnap, + * or the origin's fs. + */ + if (fromds != NULL && !dsl_dataset_is_before(ds, fromds, 0)) + return (SET_ERROR(EXDEV)); + + /* Get uncompressed size estimate of changed data. */ + if (fromds == NULL) { + size = dsl_dataset_phys(ds)->ds_uncompressed_bytes; + } else { + uint64_t used, comp; + err = dsl_dataset_space_written(fromds, ds, + &used, &comp, &size); + if (err != 0) + return (err); + } + + err = dmu_adjust_send_estimate_for_indirects(ds, size, sizep); + return (err); +} + +/* + * Simple callback used to traverse the blocks of a snapshot and sum their + * uncompressed size + */ +/* ARGSUSED */ +static int +dmu_calculate_send_traversal(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) +{ + uint64_t *spaceptr = arg; + if (bp != NULL && !BP_IS_HOLE(bp)) { + *spaceptr += BP_GET_UCSIZE(bp); + } + return (0); +} + +/* + * Given a desination snapshot and a TXG, calculate the approximate size of a + * send stream sent from that TXG. from_txg may be zero, indicating that the + * whole snapshot will be sent. + */ +int +dmu_send_estimate_from_txg(dsl_dataset_t *ds, uint64_t from_txg, + uint64_t *sizep) +{ + int err; + uint64_t size = 0; + + ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool)); + + /* tosnap must be a snapshot */ + if (!dsl_dataset_is_snapshot(ds)) + return (SET_ERROR(EINVAL)); + + /* verify that from_txg is before the provided snapshot was taken */ + if (from_txg >= dsl_dataset_phys(ds)->ds_creation_txg) { + return (SET_ERROR(EXDEV)); + } + /* + * traverse the blocks of the snapshot with birth times after + * from_txg, summing their uncompressed size + */ + err = traverse_dataset(ds, from_txg, TRAVERSE_POST, + dmu_calculate_send_traversal, &size); + if (err) + return (err); + + err = dmu_adjust_send_estimate_for_indirects(ds, size, sizep); + return (err); +} + +typedef struct dmu_recv_begin_arg { + const char *drba_origin; + dmu_recv_cookie_t *drba_cookie; + cred_t *drba_cred; + uint64_t drba_snapobj; +} dmu_recv_begin_arg_t; + +static int +recv_begin_check_existing_impl(dmu_recv_begin_arg_t *drba, dsl_dataset_t *ds, + uint64_t fromguid) +{ + uint64_t val; + int error; + dsl_pool_t *dp = ds->ds_dir->dd_pool; + + /* temporary clone name must not exist */ + error = zap_lookup(dp->dp_meta_objset, + dsl_dir_phys(ds->ds_dir)->dd_child_dir_zapobj, recv_clone_name, + 8, 1, &val); + if (error != ENOENT) + return (error == 0 ? EBUSY : error); + + /* new snapshot name must not exist */ + error = zap_lookup(dp->dp_meta_objset, + dsl_dataset_phys(ds)->ds_snapnames_zapobj, + drba->drba_cookie->drc_tosnap, 8, 1, &val); + if (error != ENOENT) + return (error == 0 ? EEXIST : error); + + /* + * Check snapshot limit before receiving. We'll recheck again at the + * end, but might as well abort before receiving if we're already over + * the limit. + * + * Note that we do not check the file system limit with + * dsl_dir_fscount_check because the temporary %clones don't count + * against that limit. + */ + error = dsl_fs_ss_limit_check(ds->ds_dir, 1, ZFS_PROP_SNAPSHOT_LIMIT, + NULL, drba->drba_cred); + if (error != 0) + return (error); + + if (fromguid != 0) { + dsl_dataset_t *snap; + uint64_t obj = dsl_dataset_phys(ds)->ds_prev_snap_obj; + + /* Find snapshot in this dir that matches fromguid. */ + while (obj != 0) { + error = dsl_dataset_hold_obj(dp, obj, FTAG, + &snap); + if (error != 0) + return (SET_ERROR(ENODEV)); + if (snap->ds_dir != ds->ds_dir) { + dsl_dataset_rele(snap, FTAG); + return (SET_ERROR(ENODEV)); + } + if (dsl_dataset_phys(snap)->ds_guid == fromguid) + break; + obj = dsl_dataset_phys(snap)->ds_prev_snap_obj; + dsl_dataset_rele(snap, FTAG); + } + if (obj == 0) + return (SET_ERROR(ENODEV)); + + if (drba->drba_cookie->drc_force) { + drba->drba_snapobj = obj; + } else { + /* + * If we are not forcing, there must be no + * changes since fromsnap. + */ + if (dsl_dataset_modified_since_snap(ds, snap)) { + dsl_dataset_rele(snap, FTAG); + return (SET_ERROR(ETXTBSY)); + } + drba->drba_snapobj = ds->ds_prev->ds_object; + } + + dsl_dataset_rele(snap, FTAG); + } else { + /* if full, then must be forced */ + if (!drba->drba_cookie->drc_force) + return (SET_ERROR(EEXIST)); + /* start from $ORIGIN@$ORIGIN, if supported */ + drba->drba_snapobj = dp->dp_origin_snap != NULL ? + dp->dp_origin_snap->ds_object : 0; + } + + return (0); + +} + +static int +dmu_recv_begin_check(void *arg, dmu_tx_t *tx) +{ + dmu_recv_begin_arg_t *drba = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + struct drr_begin *drrb = drba->drba_cookie->drc_drrb; + uint64_t fromguid = drrb->drr_fromguid; + int flags = drrb->drr_flags; + int error; + uint64_t featureflags = DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo); + dsl_dataset_t *ds; + const char *tofs = drba->drba_cookie->drc_tofs; + + /* already checked */ + ASSERT3U(drrb->drr_magic, ==, DMU_BACKUP_MAGIC); + + if (DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo) == + DMU_COMPOUNDSTREAM || + drrb->drr_type >= DMU_OST_NUMTYPES || + ((flags & DRR_FLAG_CLONE) && drba->drba_origin == NULL)) + return (SET_ERROR(EINVAL)); + + /* Verify pool version supports SA if SA_SPILL feature set */ + if ((featureflags & DMU_BACKUP_FEATURE_SA_SPILL) && + spa_version(dp->dp_spa) < SPA_VERSION_SA) + return (SET_ERROR(ENOTSUP)); + + /* + * The receiving code doesn't know how to translate a WRITE_EMBEDDED + * record to a plan WRITE record, so the pool must have the + * EMBEDDED_DATA feature enabled if the stream has WRITE_EMBEDDED + * records. Same with WRITE_EMBEDDED records that use LZ4 compression. + */ + if ((featureflags & DMU_BACKUP_FEATURE_EMBED_DATA) && + !spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_EMBEDDED_DATA)) + return (SET_ERROR(ENOTSUP)); + if ((featureflags & DMU_BACKUP_FEATURE_EMBED_DATA_LZ4) && + !spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_LZ4_COMPRESS)) + return (SET_ERROR(ENOTSUP)); + + /* + * The receiving code doesn't know how to translate large blocks + * to smaller ones, so the pool must have the LARGE_BLOCKS + * feature enabled if the stream has LARGE_BLOCKS. + */ + if ((featureflags & DMU_BACKUP_FEATURE_LARGE_BLOCKS) && + !spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_LARGE_BLOCKS)) + return (SET_ERROR(ENOTSUP)); + + error = dsl_dataset_hold(dp, tofs, FTAG, &ds); + if (error == 0) { + /* target fs already exists; recv into temp clone */ + + /* Can't recv a clone into an existing fs */ + if (flags & DRR_FLAG_CLONE) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EINVAL)); + } + + error = recv_begin_check_existing_impl(drba, ds, fromguid); + dsl_dataset_rele(ds, FTAG); + } else if (error == ENOENT) { + /* target fs does not exist; must be a full backup or clone */ + char buf[MAXNAMELEN]; + + /* + * If it's a non-clone incremental, we are missing the + * target fs, so fail the recv. + */ + if (fromguid != 0 && !(flags & DRR_FLAG_CLONE)) + return (SET_ERROR(ENOENT)); + + /* Open the parent of tofs */ + ASSERT3U(strlen(tofs), <, MAXNAMELEN); + (void) strlcpy(buf, tofs, strrchr(tofs, '/') - tofs + 1); + error = dsl_dataset_hold(dp, buf, FTAG, &ds); + if (error != 0) + return (error); + + /* + * Check filesystem and snapshot limits before receiving. We'll + * recheck snapshot limits again at the end (we create the + * filesystems and increment those counts during begin_sync). + */ + error = dsl_fs_ss_limit_check(ds->ds_dir, 1, + ZFS_PROP_FILESYSTEM_LIMIT, NULL, drba->drba_cred); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + error = dsl_fs_ss_limit_check(ds->ds_dir, 1, + ZFS_PROP_SNAPSHOT_LIMIT, NULL, drba->drba_cred); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + if (drba->drba_origin != NULL) { + dsl_dataset_t *origin; + error = dsl_dataset_hold(dp, drba->drba_origin, + FTAG, &origin); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + if (!origin->ds_is_snapshot) { + dsl_dataset_rele(origin, FTAG); + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EINVAL)); + } + if (dsl_dataset_phys(origin)->ds_guid != fromguid) { + dsl_dataset_rele(origin, FTAG); + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENODEV)); + } + dsl_dataset_rele(origin, FTAG); + } + dsl_dataset_rele(ds, FTAG); + error = 0; + } + return (error); +} + +static void +dmu_recv_begin_sync(void *arg, dmu_tx_t *tx) +{ + dmu_recv_begin_arg_t *drba = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + struct drr_begin *drrb = drba->drba_cookie->drc_drrb; + const char *tofs = drba->drba_cookie->drc_tofs; + dsl_dataset_t *ds, *newds; + uint64_t dsobj; + int error; + uint64_t crflags; + + crflags = (drrb->drr_flags & DRR_FLAG_CI_DATA) ? + DS_FLAG_CI_DATASET : 0; + + error = dsl_dataset_hold(dp, tofs, FTAG, &ds); + if (error == 0) { + /* create temporary clone */ + dsl_dataset_t *snap = NULL; + if (drba->drba_snapobj != 0) { + VERIFY0(dsl_dataset_hold_obj(dp, + drba->drba_snapobj, FTAG, &snap)); + } + dsobj = dsl_dataset_create_sync(ds->ds_dir, recv_clone_name, + snap, crflags, drba->drba_cred, tx); + dsl_dataset_rele(snap, FTAG); + dsl_dataset_rele(ds, FTAG); + } else { + dsl_dir_t *dd; + const char *tail; + dsl_dataset_t *origin = NULL; + + VERIFY0(dsl_dir_hold(dp, tofs, FTAG, &dd, &tail)); + + if (drba->drba_origin != NULL) { + VERIFY0(dsl_dataset_hold(dp, drba->drba_origin, + FTAG, &origin)); + } + + /* Create new dataset. */ + dsobj = dsl_dataset_create_sync(dd, + strrchr(tofs, '/') + 1, + origin, crflags, drba->drba_cred, tx); + if (origin != NULL) + dsl_dataset_rele(origin, FTAG); + dsl_dir_rele(dd, FTAG); + drba->drba_cookie->drc_newfs = B_TRUE; + } + VERIFY0(dsl_dataset_own_obj(dp, dsobj, dmu_recv_tag, &newds)); + + if ((DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo) & + DMU_BACKUP_FEATURE_LARGE_BLOCKS) && + !newds->ds_large_blocks) { + dsl_dataset_activate_large_blocks_sync_impl(dsobj, tx); + newds->ds_large_blocks = B_TRUE; + } + + dmu_buf_will_dirty(newds->ds_dbuf, tx); + dsl_dataset_phys(newds)->ds_flags |= DS_FLAG_INCONSISTENT; + + /* + * If we actually created a non-clone, we need to create the + * objset in our new dataset. + */ + if (BP_IS_HOLE(dsl_dataset_get_blkptr(newds))) { + (void) dmu_objset_create_impl(dp->dp_spa, + newds, dsl_dataset_get_blkptr(newds), drrb->drr_type, tx); + } + + drba->drba_cookie->drc_ds = newds; + + spa_history_log_internal_ds(newds, "receive", tx, ""); +} + +/* + * NB: callers *MUST* call dmu_recv_stream() if dmu_recv_begin() + * succeeds; otherwise we will leak the holds on the datasets. + */ +int +dmu_recv_begin(char *tofs, char *tosnap, struct drr_begin *drrb, + boolean_t force, char *origin, dmu_recv_cookie_t *drc) +{ + dmu_recv_begin_arg_t drba = { 0 }; + dmu_replay_record_t *drr; + + bzero(drc, sizeof (dmu_recv_cookie_t)); + drc->drc_drrb = drrb; + drc->drc_tosnap = tosnap; + drc->drc_tofs = tofs; + drc->drc_force = force; + drc->drc_cred = CRED(); + + if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) + drc->drc_byteswap = B_TRUE; + else if (drrb->drr_magic != DMU_BACKUP_MAGIC) + return (SET_ERROR(EINVAL)); + + drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP); + drr->drr_type = DRR_BEGIN; + drr->drr_u.drr_begin = *drc->drc_drrb; + if (drc->drc_byteswap) { + fletcher_4_incremental_byteswap(drr, + sizeof (dmu_replay_record_t), &drc->drc_cksum); + } else { + fletcher_4_incremental_native(drr, + sizeof (dmu_replay_record_t), &drc->drc_cksum); + } + kmem_free(drr, sizeof (dmu_replay_record_t)); + + if (drc->drc_byteswap) { + drrb->drr_magic = BSWAP_64(drrb->drr_magic); + drrb->drr_versioninfo = BSWAP_64(drrb->drr_versioninfo); + drrb->drr_creation_time = BSWAP_64(drrb->drr_creation_time); + drrb->drr_type = BSWAP_32(drrb->drr_type); + drrb->drr_toguid = BSWAP_64(drrb->drr_toguid); + drrb->drr_fromguid = BSWAP_64(drrb->drr_fromguid); + } + + drba.drba_origin = origin; + drba.drba_cookie = drc; + drba.drba_cred = CRED(); + + return (dsl_sync_task(tofs, dmu_recv_begin_check, dmu_recv_begin_sync, + &drba, 5, ZFS_SPACE_CHECK_NORMAL)); +} + +struct restorearg { + int err; + boolean_t byteswap; + vnode_t *vp; + char *buf; + uint64_t voff; + int bufsize; /* amount of memory allocated for buf */ + zio_cksum_t cksum; + avl_tree_t *guid_to_ds_map; +}; + +typedef struct guid_map_entry { + uint64_t guid; + dsl_dataset_t *gme_ds; + avl_node_t avlnode; +} guid_map_entry_t; + +static int +guid_compare(const void *arg1, const void *arg2) +{ + const guid_map_entry_t *gmep1 = arg1; + const guid_map_entry_t *gmep2 = arg2; + + if (gmep1->guid < gmep2->guid) + return (-1); + else if (gmep1->guid > gmep2->guid) + return (1); + return (0); +} + +static void +free_guid_map_onexit(void *arg) +{ + avl_tree_t *ca = arg; + void *cookie = NULL; + guid_map_entry_t *gmep; + + while ((gmep = avl_destroy_nodes(ca, &cookie)) != NULL) { + dsl_dataset_long_rele(gmep->gme_ds, gmep); + dsl_dataset_rele(gmep->gme_ds, gmep); + kmem_free(gmep, sizeof (guid_map_entry_t)); + } + avl_destroy(ca); + kmem_free(ca, sizeof (avl_tree_t)); +} + +static void * +restore_read(struct restorearg *ra, int len, char *buf) +{ + int done = 0; + + if (buf == NULL) + buf = ra->buf; + + /* some things will require 8-byte alignment, so everything must */ + ASSERT0(len % 8); + ASSERT3U(len, <=, ra->bufsize); + + while (done < len) { + ssize_t resid; + + ra->err = vn_rdwr(UIO_READ, ra->vp, + buf + done, len - done, + ra->voff, UIO_SYSSPACE, FAPPEND, + RLIM64_INFINITY, CRED(), &resid); + + if (resid == len - done) + ra->err = SET_ERROR(EINVAL); + ra->voff += len - done - resid; + done = len - resid; + if (ra->err != 0) + return (NULL); + } + + ASSERT3U(done, ==, len); + if (ra->byteswap) + fletcher_4_incremental_byteswap(buf, len, &ra->cksum); + else + fletcher_4_incremental_native(buf, len, &ra->cksum); + return (buf); +} + +noinline static void +backup_byteswap(dmu_replay_record_t *drr) +{ +#define DO64(X) (drr->drr_u.X = BSWAP_64(drr->drr_u.X)) +#define DO32(X) (drr->drr_u.X = BSWAP_32(drr->drr_u.X)) + drr->drr_type = BSWAP_32(drr->drr_type); + drr->drr_payloadlen = BSWAP_32(drr->drr_payloadlen); + switch (drr->drr_type) { + case DRR_BEGIN: + DO64(drr_begin.drr_magic); + DO64(drr_begin.drr_versioninfo); + DO64(drr_begin.drr_creation_time); + DO32(drr_begin.drr_type); + DO32(drr_begin.drr_flags); + DO64(drr_begin.drr_toguid); + DO64(drr_begin.drr_fromguid); + break; + case DRR_OBJECT: + DO64(drr_object.drr_object); + DO32(drr_object.drr_type); + DO32(drr_object.drr_bonustype); + DO32(drr_object.drr_blksz); + DO32(drr_object.drr_bonuslen); + DO64(drr_object.drr_toguid); + break; + case DRR_FREEOBJECTS: + DO64(drr_freeobjects.drr_firstobj); + DO64(drr_freeobjects.drr_numobjs); + DO64(drr_freeobjects.drr_toguid); + break; + case DRR_WRITE: + DO64(drr_write.drr_object); + DO32(drr_write.drr_type); + DO64(drr_write.drr_offset); + DO64(drr_write.drr_length); + DO64(drr_write.drr_toguid); + DO64(drr_write.drr_key.ddk_cksum.zc_word[0]); + DO64(drr_write.drr_key.ddk_cksum.zc_word[1]); + DO64(drr_write.drr_key.ddk_cksum.zc_word[2]); + DO64(drr_write.drr_key.ddk_cksum.zc_word[3]); + DO64(drr_write.drr_key.ddk_prop); + break; + case DRR_WRITE_BYREF: + DO64(drr_write_byref.drr_object); + DO64(drr_write_byref.drr_offset); + DO64(drr_write_byref.drr_length); + DO64(drr_write_byref.drr_toguid); + DO64(drr_write_byref.drr_refguid); + DO64(drr_write_byref.drr_refobject); + DO64(drr_write_byref.drr_refoffset); + DO64(drr_write_byref.drr_key.ddk_cksum.zc_word[0]); + DO64(drr_write_byref.drr_key.ddk_cksum.zc_word[1]); + DO64(drr_write_byref.drr_key.ddk_cksum.zc_word[2]); + DO64(drr_write_byref.drr_key.ddk_cksum.zc_word[3]); + DO64(drr_write_byref.drr_key.ddk_prop); + break; + case DRR_WRITE_EMBEDDED: + DO64(drr_write_embedded.drr_object); + DO64(drr_write_embedded.drr_offset); + DO64(drr_write_embedded.drr_length); + DO64(drr_write_embedded.drr_toguid); + DO32(drr_write_embedded.drr_lsize); + DO32(drr_write_embedded.drr_psize); + break; + case DRR_FREE: + DO64(drr_free.drr_object); + DO64(drr_free.drr_offset); + DO64(drr_free.drr_length); + DO64(drr_free.drr_toguid); + break; + case DRR_SPILL: + DO64(drr_spill.drr_object); + DO64(drr_spill.drr_length); + DO64(drr_spill.drr_toguid); + break; + case DRR_END: + DO64(drr_end.drr_checksum.zc_word[0]); + DO64(drr_end.drr_checksum.zc_word[1]); + DO64(drr_end.drr_checksum.zc_word[2]); + DO64(drr_end.drr_checksum.zc_word[3]); + DO64(drr_end.drr_toguid); + break; + default: + break; + } +#undef DO64 +#undef DO32 +} + +static inline uint8_t +deduce_nblkptr(dmu_object_type_t bonus_type, uint64_t bonus_size) +{ + if (bonus_type == DMU_OT_SA) { + return (1); + } else { + return (1 + + ((DN_MAX_BONUSLEN - bonus_size) >> SPA_BLKPTRSHIFT)); + } +} + +noinline static int +restore_object(struct restorearg *ra, objset_t *os, struct drr_object *drro) +{ + dmu_object_info_t doi; + dmu_tx_t *tx; + void *data = NULL; + uint64_t object; + int err; + + if (drro->drr_type == DMU_OT_NONE || + !DMU_OT_IS_VALID(drro->drr_type) || + !DMU_OT_IS_VALID(drro->drr_bonustype) || + drro->drr_checksumtype >= ZIO_CHECKSUM_FUNCTIONS || + drro->drr_compress >= ZIO_COMPRESS_FUNCTIONS || + P2PHASE(drro->drr_blksz, SPA_MINBLOCKSIZE) || + drro->drr_blksz < SPA_MINBLOCKSIZE || + drro->drr_blksz > spa_maxblocksize(dmu_objset_spa(os)) || + drro->drr_bonuslen > DN_MAX_BONUSLEN) { + return (SET_ERROR(EINVAL)); + } + + err = dmu_object_info(os, drro->drr_object, &doi); + + if (err != 0 && err != ENOENT) + return (SET_ERROR(EINVAL)); + object = err == 0 ? drro->drr_object : DMU_NEW_OBJECT; + + if (drro->drr_bonuslen) { + data = restore_read(ra, P2ROUNDUP(drro->drr_bonuslen, 8), NULL); + if (ra->err != 0) + return (ra->err); + } + + /* + * If we are losing blkptrs or changing the block size this must + * be a new file instance. We must clear out the previous file + * contents before we can change this type of metadata in the dnode. + */ + if (err == 0) { + int nblkptr; + + nblkptr = deduce_nblkptr(drro->drr_bonustype, + drro->drr_bonuslen); + + if (drro->drr_blksz != doi.doi_data_block_size || + nblkptr < doi.doi_nblkptr) { + err = dmu_free_long_range(os, drro->drr_object, + 0, DMU_OBJECT_END); + if (err != 0) + return (SET_ERROR(EINVAL)); + } + } + + tx = dmu_tx_create(os); + dmu_tx_hold_bonus(tx, object); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err != 0) { + dmu_tx_abort(tx); + return (err); + } + + if (object == DMU_NEW_OBJECT) { + /* currently free, want to be allocated */ + err = dmu_object_claim(os, drro->drr_object, + drro->drr_type, drro->drr_blksz, + drro->drr_bonustype, drro->drr_bonuslen, tx); + } else if (drro->drr_type != doi.doi_type || + drro->drr_blksz != doi.doi_data_block_size || + drro->drr_bonustype != doi.doi_bonus_type || + drro->drr_bonuslen != doi.doi_bonus_size) { + /* currently allocated, but with different properties */ + err = dmu_object_reclaim(os, drro->drr_object, + drro->drr_type, drro->drr_blksz, + drro->drr_bonustype, drro->drr_bonuslen, tx); + } + if (err != 0) { + dmu_tx_commit(tx); + return (SET_ERROR(EINVAL)); + } + + dmu_object_set_checksum(os, drro->drr_object, drro->drr_checksumtype, + tx); + dmu_object_set_compress(os, drro->drr_object, drro->drr_compress, tx); + + if (data != NULL) { + dmu_buf_t *db; + + VERIFY(0 == dmu_bonus_hold(os, drro->drr_object, FTAG, &db)); + dmu_buf_will_dirty(db, tx); + + ASSERT3U(db->db_size, >=, drro->drr_bonuslen); + bcopy(data, db->db_data, drro->drr_bonuslen); + if (ra->byteswap) { + dmu_object_byteswap_t byteswap = + DMU_OT_BYTESWAP(drro->drr_bonustype); + dmu_ot_byteswap[byteswap].ob_func(db->db_data, + drro->drr_bonuslen); + } + dmu_buf_rele(db, FTAG); + } + dmu_tx_commit(tx); + return (0); +} + +/* ARGSUSED */ +noinline static int +restore_freeobjects(struct restorearg *ra, objset_t *os, + struct drr_freeobjects *drrfo) +{ + uint64_t obj; + + if (drrfo->drr_firstobj + drrfo->drr_numobjs < drrfo->drr_firstobj) + return (SET_ERROR(EINVAL)); + + for (obj = drrfo->drr_firstobj; + obj < drrfo->drr_firstobj + drrfo->drr_numobjs; + (void) dmu_object_next(os, &obj, FALSE, 0)) { + int err; + + if (dmu_object_info(os, obj, NULL) != 0) + continue; + + err = dmu_free_long_object(os, obj); + if (err != 0) + return (err); + } + return (0); +} + +noinline static int +restore_write(struct restorearg *ra, objset_t *os, + struct drr_write *drrw) +{ + dmu_tx_t *tx; + dmu_buf_t *bonus; + arc_buf_t *abuf; + void *data; + int err; + + if (drrw->drr_offset + drrw->drr_length < drrw->drr_offset || + !DMU_OT_IS_VALID(drrw->drr_type)) + return (SET_ERROR(EINVAL)); + + if (dmu_object_info(os, drrw->drr_object, NULL) != 0) + return (SET_ERROR(EINVAL)); + + if (dmu_bonus_hold(os, drrw->drr_object, FTAG, &bonus) != 0) + return (SET_ERROR(EINVAL)); + + abuf = dmu_request_arcbuf(bonus, drrw->drr_length); + + data = restore_read(ra, drrw->drr_length, abuf->b_data); + if (data == NULL) { + dmu_return_arcbuf(abuf); + dmu_buf_rele(bonus, FTAG); + return (ra->err); + } + + tx = dmu_tx_create(os); + + dmu_tx_hold_write(tx, drrw->drr_object, + drrw->drr_offset, drrw->drr_length); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err != 0) { + dmu_return_arcbuf(abuf); + dmu_buf_rele(bonus, FTAG); + dmu_tx_abort(tx); + return (err); + } + if (ra->byteswap) { + dmu_object_byteswap_t byteswap = + DMU_OT_BYTESWAP(drrw->drr_type); + dmu_ot_byteswap[byteswap].ob_func(data, drrw->drr_length); + } + dmu_assign_arcbuf(bonus, drrw->drr_offset, abuf, tx); + dmu_tx_commit(tx); + dmu_buf_rele(bonus, FTAG); + return (0); +} + +/* + * Handle a DRR_WRITE_BYREF record. This record is used in dedup'ed + * streams to refer to a copy of the data that is already on the + * system because it came in earlier in the stream. This function + * finds the earlier copy of the data, and uses that copy instead of + * data from the stream to fulfill this write. + */ +static int +restore_write_byref(struct restorearg *ra, objset_t *os, + struct drr_write_byref *drrwbr) +{ + dmu_tx_t *tx; + int err; + guid_map_entry_t gmesrch; + guid_map_entry_t *gmep; + avl_index_t where; + objset_t *ref_os = NULL; + dmu_buf_t *dbp; + + if (drrwbr->drr_offset + drrwbr->drr_length < drrwbr->drr_offset) + return (SET_ERROR(EINVAL)); + + /* + * If the GUID of the referenced dataset is different from the + * GUID of the target dataset, find the referenced dataset. + */ + if (drrwbr->drr_toguid != drrwbr->drr_refguid) { + gmesrch.guid = drrwbr->drr_refguid; + if ((gmep = avl_find(ra->guid_to_ds_map, &gmesrch, + &where)) == NULL) { + return (SET_ERROR(EINVAL)); + } + if (dmu_objset_from_ds(gmep->gme_ds, &ref_os)) + return (SET_ERROR(EINVAL)); + } else { + ref_os = os; + } + + err = dmu_buf_hold(ref_os, drrwbr->drr_refobject, + drrwbr->drr_refoffset, FTAG, &dbp, DMU_READ_PREFETCH); + if (err != 0) + return (err); + + tx = dmu_tx_create(os); + + dmu_tx_hold_write(tx, drrwbr->drr_object, + drrwbr->drr_offset, drrwbr->drr_length); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err != 0) { + dmu_tx_abort(tx); + return (err); + } + dmu_write(os, drrwbr->drr_object, + drrwbr->drr_offset, drrwbr->drr_length, dbp->db_data, tx); + dmu_buf_rele(dbp, FTAG); + dmu_tx_commit(tx); + return (0); +} + +static int +restore_write_embedded(struct restorearg *ra, objset_t *os, + struct drr_write_embedded *drrwnp) +{ + dmu_tx_t *tx; + int err; + void *data; + + if (drrwnp->drr_offset + drrwnp->drr_length < drrwnp->drr_offset) + return (EINVAL); + + if (drrwnp->drr_psize > BPE_PAYLOAD_SIZE) + return (EINVAL); + + if (drrwnp->drr_etype >= NUM_BP_EMBEDDED_TYPES) + return (EINVAL); + if (drrwnp->drr_compression >= ZIO_COMPRESS_FUNCTIONS) + return (EINVAL); + + data = restore_read(ra, P2ROUNDUP(drrwnp->drr_psize, 8), NULL); + if (data == NULL) + return (ra->err); + + tx = dmu_tx_create(os); + + dmu_tx_hold_write(tx, drrwnp->drr_object, + drrwnp->drr_offset, drrwnp->drr_length); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err != 0) { + dmu_tx_abort(tx); + return (err); + } + + dmu_write_embedded(os, drrwnp->drr_object, + drrwnp->drr_offset, data, drrwnp->drr_etype, + drrwnp->drr_compression, drrwnp->drr_lsize, drrwnp->drr_psize, + ra->byteswap ^ ZFS_HOST_BYTEORDER, tx); + + dmu_tx_commit(tx); + return (0); +} + +static int +restore_spill(struct restorearg *ra, objset_t *os, struct drr_spill *drrs) +{ + dmu_tx_t *tx; + void *data; + dmu_buf_t *db, *db_spill; + int err; + + if (drrs->drr_length < SPA_MINBLOCKSIZE || + drrs->drr_length > spa_maxblocksize(dmu_objset_spa(os))) + return (SET_ERROR(EINVAL)); + + data = restore_read(ra, drrs->drr_length, NULL); + if (data == NULL) + return (ra->err); + + if (dmu_object_info(os, drrs->drr_object, NULL) != 0) + return (SET_ERROR(EINVAL)); + + VERIFY(0 == dmu_bonus_hold(os, drrs->drr_object, FTAG, &db)); + if ((err = dmu_spill_hold_by_bonus(db, FTAG, &db_spill)) != 0) { + dmu_buf_rele(db, FTAG); + return (err); + } + + tx = dmu_tx_create(os); + + dmu_tx_hold_spill(tx, db->db_object); + + err = dmu_tx_assign(tx, TXG_WAIT); + if (err != 0) { + dmu_buf_rele(db, FTAG); + dmu_buf_rele(db_spill, FTAG); + dmu_tx_abort(tx); + return (err); + } + dmu_buf_will_dirty(db_spill, tx); + + if (db_spill->db_size < drrs->drr_length) + VERIFY(0 == dbuf_spill_set_blksz(db_spill, + drrs->drr_length, tx)); + bcopy(data, db_spill->db_data, drrs->drr_length); + + dmu_buf_rele(db, FTAG); + dmu_buf_rele(db_spill, FTAG); + + dmu_tx_commit(tx); + return (0); +} + +/* ARGSUSED */ +noinline static int +restore_free(struct restorearg *ra, objset_t *os, + struct drr_free *drrf) +{ + int err; + + if (drrf->drr_length != -1ULL && + drrf->drr_offset + drrf->drr_length < drrf->drr_offset) + return (SET_ERROR(EINVAL)); + + if (dmu_object_info(os, drrf->drr_object, NULL) != 0) + return (SET_ERROR(EINVAL)); + + err = dmu_free_long_range(os, drrf->drr_object, + drrf->drr_offset, drrf->drr_length); + return (err); +} + +/* used to destroy the drc_ds on error */ +static void +dmu_recv_cleanup_ds(dmu_recv_cookie_t *drc) +{ + char name[MAXNAMELEN]; + dsl_dataset_name(drc->drc_ds, name); + dsl_dataset_disown(drc->drc_ds, dmu_recv_tag); + (void) dsl_destroy_head(name); +} + +/* + * NB: callers *must* call dmu_recv_end() if this succeeds. + */ +int +dmu_recv_stream(dmu_recv_cookie_t *drc, vnode_t *vp, offset_t *voffp, + int cleanup_fd, uint64_t *action_handlep) +{ + struct restorearg ra = { 0 }; + dmu_replay_record_t *drr; + objset_t *os; + zio_cksum_t pcksum; + int featureflags; + + ra.byteswap = drc->drc_byteswap; + ra.cksum = drc->drc_cksum; + ra.vp = vp; + ra.voff = *voffp; + ra.bufsize = SPA_MAXBLOCKSIZE; + ra.buf = vmem_alloc(ra.bufsize, KM_SLEEP); + + /* these were verified in dmu_recv_begin */ + ASSERT3U(DMU_GET_STREAM_HDRTYPE(drc->drc_drrb->drr_versioninfo), ==, + DMU_SUBSTREAM); + ASSERT3U(drc->drc_drrb->drr_type, <, DMU_OST_NUMTYPES); + + /* + * Open the objset we are modifying. + */ + VERIFY0(dmu_objset_from_ds(drc->drc_ds, &os)); + + ASSERT(dsl_dataset_phys(drc->drc_ds)->ds_flags & DS_FLAG_INCONSISTENT); + + featureflags = DMU_GET_FEATUREFLAGS(drc->drc_drrb->drr_versioninfo); + + /* if this stream is dedup'ed, set up the avl tree for guid mapping */ + if (featureflags & DMU_BACKUP_FEATURE_DEDUP) { + minor_t minor; + + if (cleanup_fd == -1) { + ra.err = SET_ERROR(EBADF); + goto out; + } + ra.err = zfs_onexit_fd_hold(cleanup_fd, &minor); + if (ra.err != 0) { + cleanup_fd = -1; + goto out; + } + + if (*action_handlep == 0) { + ra.guid_to_ds_map = + kmem_alloc(sizeof (avl_tree_t), KM_SLEEP); + avl_create(ra.guid_to_ds_map, guid_compare, + sizeof (guid_map_entry_t), + offsetof(guid_map_entry_t, avlnode)); + ra.err = zfs_onexit_add_cb(minor, + free_guid_map_onexit, ra.guid_to_ds_map, + action_handlep); + if (ra.err != 0) + goto out; + } else { + ra.err = zfs_onexit_cb_data(minor, *action_handlep, + (void **)&ra.guid_to_ds_map); + if (ra.err != 0) + goto out; + } + + drc->drc_guid_to_ds_map = ra.guid_to_ds_map; + } + + /* + * Read records and process them. + */ + pcksum = ra.cksum; + while (ra.err == 0 && + NULL != (drr = restore_read(&ra, sizeof (*drr), NULL))) { + if (issig(JUSTLOOKING) && issig(FORREAL)) { + ra.err = SET_ERROR(EINTR); + goto out; + } + + if (ra.byteswap) + backup_byteswap(drr); + + switch (drr->drr_type) { + case DRR_OBJECT: + { + /* + * We need to make a copy of the record header, + * because restore_{object,write} may need to + * restore_read(), which will invalidate drr. + */ + struct drr_object drro = drr->drr_u.drr_object; + ra.err = restore_object(&ra, os, &drro); + break; + } + case DRR_FREEOBJECTS: + { + struct drr_freeobjects drrfo = + drr->drr_u.drr_freeobjects; + ra.err = restore_freeobjects(&ra, os, &drrfo); + break; + } + case DRR_WRITE: + { + struct drr_write drrw = drr->drr_u.drr_write; + ra.err = restore_write(&ra, os, &drrw); + break; + } + case DRR_WRITE_BYREF: + { + struct drr_write_byref drrwbr = + drr->drr_u.drr_write_byref; + ra.err = restore_write_byref(&ra, os, &drrwbr); + break; + } + case DRR_WRITE_EMBEDDED: + { + struct drr_write_embedded drrwe = + drr->drr_u.drr_write_embedded; + ra.err = restore_write_embedded(&ra, os, &drrwe); + break; + } + case DRR_FREE: + { + struct drr_free drrf = drr->drr_u.drr_free; + ra.err = restore_free(&ra, os, &drrf); + break; + } + case DRR_END: + { + struct drr_end drre = drr->drr_u.drr_end; + /* + * We compare against the *previous* checksum + * value, because the stored checksum is of + * everything before the DRR_END record. + */ + if (!ZIO_CHECKSUM_EQUAL(drre.drr_checksum, pcksum)) + ra.err = SET_ERROR(ECKSUM); + goto out; + } + case DRR_SPILL: + { + struct drr_spill drrs = drr->drr_u.drr_spill; + ra.err = restore_spill(&ra, os, &drrs); + break; + } + default: + ra.err = SET_ERROR(EINVAL); + goto out; + } + pcksum = ra.cksum; + } + ASSERT(ra.err != 0); + +out: + if ((featureflags & DMU_BACKUP_FEATURE_DEDUP) && (cleanup_fd != -1)) + zfs_onexit_fd_rele(cleanup_fd); + + if (ra.err != 0) { + /* + * destroy what we created, so we don't leave it in the + * inconsistent restoring state. + */ + dmu_recv_cleanup_ds(drc); + } + + vmem_free(ra.buf, ra.bufsize); + *voffp = ra.voff; + return (ra.err); +} + +static int +dmu_recv_end_check(void *arg, dmu_tx_t *tx) +{ + dmu_recv_cookie_t *drc = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + int error; + + ASSERT3P(drc->drc_ds->ds_owner, ==, dmu_recv_tag); + + if (!drc->drc_newfs) { + dsl_dataset_t *origin_head; + + error = dsl_dataset_hold(dp, drc->drc_tofs, FTAG, &origin_head); + if (error != 0) + return (error); + if (drc->drc_force) { + /* + * We will destroy any snapshots in tofs (i.e. before + * origin_head) that are after the origin (which is + * the snap before drc_ds, because drc_ds can not + * have any snaps of its own). + */ + uint64_t obj; + + obj = dsl_dataset_phys(origin_head)->ds_prev_snap_obj; + while (obj != + dsl_dataset_phys(drc->drc_ds)->ds_prev_snap_obj) { + dsl_dataset_t *snap; + error = dsl_dataset_hold_obj(dp, obj, FTAG, + &snap); + if (error != 0) + break; + if (snap->ds_dir != origin_head->ds_dir) + error = SET_ERROR(EINVAL); + if (error == 0) { + error = dsl_destroy_snapshot_check_impl( + snap, B_FALSE); + } + obj = dsl_dataset_phys(snap)->ds_prev_snap_obj; + dsl_dataset_rele(snap, FTAG); + if (error != 0) + break; + } + if (error != 0) { + dsl_dataset_rele(origin_head, FTAG); + return (error); + } + } + error = dsl_dataset_clone_swap_check_impl(drc->drc_ds, + origin_head, drc->drc_force, drc->drc_owner, tx); + if (error != 0) { + dsl_dataset_rele(origin_head, FTAG); + return (error); + } + error = dsl_dataset_snapshot_check_impl(origin_head, + drc->drc_tosnap, tx, B_TRUE, 1, drc->drc_cred); + dsl_dataset_rele(origin_head, FTAG); + if (error != 0) + return (error); + + error = dsl_destroy_head_check_impl(drc->drc_ds, 1); + } else { + error = dsl_dataset_snapshot_check_impl(drc->drc_ds, + drc->drc_tosnap, tx, B_TRUE, 1, drc->drc_cred); + } + return (error); +} + +static void +dmu_recv_end_sync(void *arg, dmu_tx_t *tx) +{ + dmu_recv_cookie_t *drc = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + + spa_history_log_internal_ds(drc->drc_ds, "finish receiving", + tx, "snap=%s", drc->drc_tosnap); + + if (!drc->drc_newfs) { + dsl_dataset_t *origin_head; + + VERIFY0(dsl_dataset_hold(dp, drc->drc_tofs, FTAG, + &origin_head)); + + if (drc->drc_force) { + /* + * Destroy any snapshots of drc_tofs (origin_head) + * after the origin (the snap before drc_ds). + */ + uint64_t obj; + + obj = dsl_dataset_phys(origin_head)->ds_prev_snap_obj; + while (obj != + dsl_dataset_phys(drc->drc_ds)->ds_prev_snap_obj) { + dsl_dataset_t *snap; + VERIFY0(dsl_dataset_hold_obj(dp, obj, FTAG, + &snap)); + ASSERT3P(snap->ds_dir, ==, origin_head->ds_dir); + obj = dsl_dataset_phys(snap)->ds_prev_snap_obj; + dsl_destroy_snapshot_sync_impl(snap, + B_FALSE, tx); + dsl_dataset_rele(snap, FTAG); + } + } + VERIFY3P(drc->drc_ds->ds_prev, ==, + origin_head->ds_prev); + + dsl_dataset_clone_swap_sync_impl(drc->drc_ds, + origin_head, tx); + dsl_dataset_snapshot_sync_impl(origin_head, + drc->drc_tosnap, tx); + + /* set snapshot's creation time and guid */ + dmu_buf_will_dirty(origin_head->ds_prev->ds_dbuf, tx); + dsl_dataset_phys(origin_head->ds_prev)->ds_creation_time = + drc->drc_drrb->drr_creation_time; + dsl_dataset_phys(origin_head->ds_prev)->ds_guid = + drc->drc_drrb->drr_toguid; + dsl_dataset_phys(origin_head->ds_prev)->ds_flags &= + ~DS_FLAG_INCONSISTENT; + + dmu_buf_will_dirty(origin_head->ds_dbuf, tx); + dsl_dataset_phys(origin_head)->ds_flags &= + ~DS_FLAG_INCONSISTENT; + + dsl_dataset_rele(origin_head, FTAG); + dsl_destroy_head_sync_impl(drc->drc_ds, tx); + + if (drc->drc_owner != NULL) + VERIFY3P(origin_head->ds_owner, ==, drc->drc_owner); + } else { + dsl_dataset_t *ds = drc->drc_ds; + + dsl_dataset_snapshot_sync_impl(ds, drc->drc_tosnap, tx); + + /* set snapshot's creation time and guid */ + dmu_buf_will_dirty(ds->ds_prev->ds_dbuf, tx); + dsl_dataset_phys(ds->ds_prev)->ds_creation_time = + drc->drc_drrb->drr_creation_time; + dsl_dataset_phys(ds->ds_prev)->ds_guid = + drc->drc_drrb->drr_toguid; + dsl_dataset_phys(ds->ds_prev)->ds_flags &= + ~DS_FLAG_INCONSISTENT; + + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_flags &= ~DS_FLAG_INCONSISTENT; + } + drc->drc_newsnapobj = dsl_dataset_phys(drc->drc_ds)->ds_prev_snap_obj; + zvol_create_minors(dp->dp_spa, drc->drc_tofs, B_TRUE); + /* + * Release the hold from dmu_recv_begin. This must be done before + * we return to open context, so that when we free the dataset's dnode, + * we can evict its bonus buffer. + */ + dsl_dataset_disown(drc->drc_ds, dmu_recv_tag); + drc->drc_ds = NULL; +} + +static int +add_ds_to_guidmap(const char *name, avl_tree_t *guid_map, uint64_t snapobj) +{ + dsl_pool_t *dp; + dsl_dataset_t *snapds; + guid_map_entry_t *gmep; + int err; + + ASSERT(guid_map != NULL); + + err = dsl_pool_hold(name, FTAG, &dp); + if (err != 0) + return (err); + gmep = kmem_alloc(sizeof (*gmep), KM_SLEEP); + err = dsl_dataset_hold_obj(dp, snapobj, gmep, &snapds); + if (err == 0) { + gmep->guid = dsl_dataset_phys(snapds)->ds_guid; + gmep->gme_ds = snapds; + avl_add(guid_map, gmep); + dsl_dataset_long_hold(snapds, gmep); + } else { + kmem_free(gmep, sizeof (*gmep)); + } + + dsl_pool_rele(dp, FTAG); + return (err); +} + +static int dmu_recv_end_modified_blocks = 3; + +static int +dmu_recv_existing_end(dmu_recv_cookie_t *drc) +{ + int error; + +#ifdef _KERNEL + char *name; + + /* + * We will be destroying the ds; make sure its origin is unmounted if + * necessary. + */ + name = kmem_alloc(MAXNAMELEN, KM_SLEEP); + dsl_dataset_name(drc->drc_ds, name); + zfs_destroy_unmount_origin(name); + kmem_free(name, MAXNAMELEN); +#endif + + error = dsl_sync_task(drc->drc_tofs, + dmu_recv_end_check, dmu_recv_end_sync, drc, + dmu_recv_end_modified_blocks, ZFS_SPACE_CHECK_NORMAL); + + if (error != 0) + dmu_recv_cleanup_ds(drc); + return (error); +} + +static int +dmu_recv_new_end(dmu_recv_cookie_t *drc) +{ + int error; + + error = dsl_sync_task(drc->drc_tofs, + dmu_recv_end_check, dmu_recv_end_sync, drc, + dmu_recv_end_modified_blocks, ZFS_SPACE_CHECK_NORMAL); + + if (error != 0) { + dmu_recv_cleanup_ds(drc); + } else if (drc->drc_guid_to_ds_map != NULL) { + (void) add_ds_to_guidmap(drc->drc_tofs, + drc->drc_guid_to_ds_map, + drc->drc_newsnapobj); + } + return (error); +} + +int +dmu_recv_end(dmu_recv_cookie_t *drc, void *owner) +{ + drc->drc_owner = owner; + + if (drc->drc_newfs) + return (dmu_recv_new_end(drc)); + else + return (dmu_recv_existing_end(drc)); +} + +/* + * Return TRUE if this objset is currently being received into. + */ +boolean_t +dmu_objset_is_receiving(objset_t *os) +{ + return (os->os_dsl_dataset != NULL && + os->os_dsl_dataset->ds_owner == dmu_recv_tag); +} + +#if defined(_KERNEL) +module_param(zfs_send_corrupt_data, int, 0644); +MODULE_PARM_DESC(zfs_send_corrupt_data, "Allow sending corrupt data"); +#endif diff --git a/zfs/module/zfs/dmu_traverse.c b/zfs/module/zfs/dmu_traverse.c new file mode 100644 index 000000000000..a58f77f082f3 --- /dev/null +++ b/zfs/module/zfs/dmu_traverse.c @@ -0,0 +1,699 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2016 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +int32_t zfs_pd_bytes_max = 50 * 1024 * 1024; /* 50MB */ +int32_t ignore_hole_birth = 1; + +typedef struct prefetch_data { + kmutex_t pd_mtx; + kcondvar_t pd_cv; + int32_t pd_bytes_fetched; + int pd_flags; + boolean_t pd_cancel; + boolean_t pd_exited; +} prefetch_data_t; + +typedef struct traverse_data { + spa_t *td_spa; + uint64_t td_objset; + blkptr_t *td_rootbp; + uint64_t td_min_txg; + zbookmark_phys_t *td_resume; + int td_flags; + prefetch_data_t *td_pfd; + boolean_t td_paused; + uint64_t td_hole_birth_enabled_txg; + blkptr_cb_t *td_func; + void *td_arg; + boolean_t td_realloc_possible; +} traverse_data_t; + +static int traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp, + uint64_t objset, uint64_t object); +static void prefetch_dnode_metadata(traverse_data_t *td, const dnode_phys_t *, + uint64_t objset, uint64_t object); + +static int +traverse_zil_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) +{ + traverse_data_t *td = arg; + zbookmark_phys_t zb; + + if (BP_IS_HOLE(bp)) + return (0); + + if (claim_txg == 0 && bp->blk_birth >= spa_first_txg(td->td_spa)) + return (0); + + SET_BOOKMARK(&zb, td->td_objset, ZB_ZIL_OBJECT, ZB_ZIL_LEVEL, + bp->blk_cksum.zc_word[ZIL_ZC_SEQ]); + + (void) td->td_func(td->td_spa, zilog, bp, &zb, NULL, td->td_arg); + + return (0); +} + +static int +traverse_zil_record(zilog_t *zilog, lr_t *lrc, void *arg, uint64_t claim_txg) +{ + traverse_data_t *td = arg; + + if (lrc->lrc_txtype == TX_WRITE) { + lr_write_t *lr = (lr_write_t *)lrc; + blkptr_t *bp = &lr->lr_blkptr; + zbookmark_phys_t zb; + + if (BP_IS_HOLE(bp)) + return (0); + + if (claim_txg == 0 || bp->blk_birth < claim_txg) + return (0); + + SET_BOOKMARK(&zb, td->td_objset, lr->lr_foid, + ZB_ZIL_LEVEL, lr->lr_offset / BP_GET_LSIZE(bp)); + + (void) td->td_func(td->td_spa, zilog, bp, &zb, NULL, + td->td_arg); + } + return (0); +} + +static void +traverse_zil(traverse_data_t *td, zil_header_t *zh) +{ + uint64_t claim_txg = zh->zh_claim_txg; + zilog_t *zilog; + + /* + * We only want to visit blocks that have been claimed but not yet + * replayed; plus, in read-only mode, blocks that are already stable. + */ + if (claim_txg == 0 && spa_writeable(td->td_spa)) + return; + + zilog = zil_alloc(spa_get_dsl(td->td_spa)->dp_meta_objset, zh); + + (void) zil_parse(zilog, traverse_zil_block, traverse_zil_record, td, + claim_txg); + + zil_free(zilog); +} + +typedef enum resume_skip { + RESUME_SKIP_ALL, + RESUME_SKIP_NONE, + RESUME_SKIP_CHILDREN +} resume_skip_t; + +/* + * Returns RESUME_SKIP_ALL if td indicates that we are resuming a traversal and + * the block indicated by zb does not need to be visited at all. Returns + * RESUME_SKIP_CHILDREN if we are resuming a post traversal and we reach the + * resume point. This indicates that this block should be visited but not its + * children (since they must have been visited in a previous traversal). + * Otherwise returns RESUME_SKIP_NONE. + */ +static resume_skip_t +resume_skip_check(traverse_data_t *td, const dnode_phys_t *dnp, + const zbookmark_phys_t *zb) +{ + if (td->td_resume != NULL && !ZB_IS_ZERO(td->td_resume)) { + /* + * If we already visited this bp & everything below, + * don't bother doing it again. + */ + if (zbookmark_is_before(dnp, zb, td->td_resume)) + return (RESUME_SKIP_ALL); + + /* + * If we found the block we're trying to resume from, zero + * the bookmark out to indicate that we have resumed. + */ + if (bcmp(zb, td->td_resume, sizeof (*zb)) == 0) { + bzero(td->td_resume, sizeof (*zb)); + if (td->td_flags & TRAVERSE_POST) + return (RESUME_SKIP_CHILDREN); + } + } + return (RESUME_SKIP_NONE); +} + +static void +traverse_prefetch_metadata(traverse_data_t *td, + const blkptr_t *bp, const zbookmark_phys_t *zb) +{ + arc_flags_t flags = ARC_FLAG_NOWAIT | ARC_FLAG_PREFETCH; + + if (!(td->td_flags & TRAVERSE_PREFETCH_METADATA)) + return; + /* + * If we are in the process of resuming, don't prefetch, because + * some children will not be needed (and in fact may have already + * been freed). + */ + if (td->td_resume != NULL && !ZB_IS_ZERO(td->td_resume)) + return; + if (BP_IS_HOLE(bp) || bp->blk_birth <= td->td_min_txg) + return; + if (BP_GET_LEVEL(bp) == 0 && BP_GET_TYPE(bp) != DMU_OT_DNODE) + return; + + (void) arc_read(NULL, td->td_spa, bp, NULL, NULL, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); +} + +static boolean_t +prefetch_needed(prefetch_data_t *pfd, const blkptr_t *bp) +{ + ASSERT(pfd->pd_flags & TRAVERSE_PREFETCH_DATA); + if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp) || + BP_GET_TYPE(bp) == DMU_OT_INTENT_LOG) + return (B_FALSE); + return (B_TRUE); +} + +static int +traverse_visitbp(traverse_data_t *td, const dnode_phys_t *dnp, + const blkptr_t *bp, const zbookmark_phys_t *zb) +{ + int err = 0; + arc_buf_t *buf = NULL; + prefetch_data_t *pd = td->td_pfd; + + switch (resume_skip_check(td, dnp, zb)) { + case RESUME_SKIP_ALL: + return (0); + case RESUME_SKIP_CHILDREN: + goto post; + case RESUME_SKIP_NONE: + break; + default: + ASSERT(0); + } + + if (bp->blk_birth == 0) { + /* + * Since this block has a birth time of 0 it must be one of + * two things: a hole created before the + * SPA_FEATURE_HOLE_BIRTH feature was enabled, or a hole + * which has always been a hole in an object. + * + * If a file is written sparsely, then the unwritten parts of + * the file were "always holes" -- that is, they have been + * holes since this object was allocated. However, we (and + * our callers) can not necessarily tell when an object was + * allocated. Therefore, if it's possible that this object + * was freed and then its object number reused, we need to + * visit all the holes with birth==0. + * + * If it isn't possible that the object number was reused, + * then if SPA_FEATURE_HOLE_BIRTH was enabled before we wrote + * all the blocks we will visit as part of this traversal, + * then this hole must have always existed, so we can skip + * it. We visit blocks born after (exclusive) td_min_txg. + * + * Note that the meta-dnode cannot be reallocated. + */ + if (!ignore_hole_birth && (!td->td_realloc_possible || + zb->zb_object == DMU_META_DNODE_OBJECT) && + td->td_hole_birth_enabled_txg <= td->td_min_txg) + return (0); + } else if (bp->blk_birth <= td->td_min_txg) { + return (0); + } + + if (pd != NULL && !pd->pd_exited && prefetch_needed(pd, bp)) { + uint64_t size = BP_GET_LSIZE(bp); + mutex_enter(&pd->pd_mtx); + ASSERT(pd->pd_bytes_fetched >= 0); + while (pd->pd_bytes_fetched < size && !pd->pd_exited) + cv_wait_sig(&pd->pd_cv, &pd->pd_mtx); + pd->pd_bytes_fetched -= size; + cv_broadcast(&pd->pd_cv); + mutex_exit(&pd->pd_mtx); + } + + if (BP_IS_HOLE(bp)) { + err = td->td_func(td->td_spa, NULL, bp, zb, dnp, td->td_arg); + if (err != 0) + goto post; + return (0); + } + + if (td->td_flags & TRAVERSE_PRE) { + err = td->td_func(td->td_spa, NULL, bp, zb, dnp, + td->td_arg); + if (err == TRAVERSE_VISIT_NO_CHILDREN) + return (0); + if (err != 0) + goto post; + } + + if (BP_GET_LEVEL(bp) > 0) { + uint32_t flags = ARC_FLAG_WAIT; + int32_t i; + int32_t epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; + zbookmark_phys_t *czb; + + err = arc_read(NULL, td->td_spa, bp, arc_getbuf_func, &buf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); + if (err != 0) + goto post; + + czb = kmem_alloc(sizeof (zbookmark_phys_t), KM_SLEEP); + + for (i = 0; i < epb; i++) { + SET_BOOKMARK(czb, zb->zb_objset, zb->zb_object, + zb->zb_level - 1, + zb->zb_blkid * epb + i); + traverse_prefetch_metadata(td, + &((blkptr_t *)buf->b_data)[i], czb); + } + + /* recursively visitbp() blocks below this */ + for (i = 0; i < epb; i++) { + SET_BOOKMARK(czb, zb->zb_objset, zb->zb_object, + zb->zb_level - 1, + zb->zb_blkid * epb + i); + err = traverse_visitbp(td, dnp, + &((blkptr_t *)buf->b_data)[i], czb); + if (err != 0) + break; + } + + kmem_free(czb, sizeof (zbookmark_phys_t)); + + } else if (BP_GET_TYPE(bp) == DMU_OT_DNODE) { + uint32_t flags = ARC_FLAG_WAIT; + int32_t i; + int32_t epb = BP_GET_LSIZE(bp) >> DNODE_SHIFT; + dnode_phys_t *cdnp; + + err = arc_read(NULL, td->td_spa, bp, arc_getbuf_func, &buf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); + if (err != 0) + goto post; + cdnp = buf->b_data; + + for (i = 0; i < epb; i++) { + prefetch_dnode_metadata(td, &cdnp[i], zb->zb_objset, + zb->zb_blkid * epb + i); + } + + /* recursively visitbp() blocks below this */ + for (i = 0; i < epb; i++) { + err = traverse_dnode(td, &cdnp[i], zb->zb_objset, + zb->zb_blkid * epb + i); + if (err != 0) + break; + } + } else if (BP_GET_TYPE(bp) == DMU_OT_OBJSET) { + arc_flags_t flags = ARC_FLAG_WAIT; + objset_phys_t *osp; + dnode_phys_t *mdnp, *gdnp, *udnp; + + err = arc_read(NULL, td->td_spa, bp, arc_getbuf_func, &buf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); + if (err != 0) + goto post; + + osp = buf->b_data; + mdnp = &osp->os_meta_dnode; + gdnp = &osp->os_groupused_dnode; + udnp = &osp->os_userused_dnode; + + prefetch_dnode_metadata(td, mdnp, zb->zb_objset, + DMU_META_DNODE_OBJECT); + /* + * See the block comment above for the goal of this variable. + * If the maxblkid of the meta-dnode is 0, then we know that + * we've never had more than DNODES_PER_BLOCK objects in the + * dataset, which means we can't have reused any object ids. + */ + if (osp->os_meta_dnode.dn_maxblkid == 0) + td->td_realloc_possible = B_FALSE; + + if (arc_buf_size(buf) >= sizeof (objset_phys_t)) { + prefetch_dnode_metadata(td, gdnp, zb->zb_objset, + DMU_GROUPUSED_OBJECT); + prefetch_dnode_metadata(td, udnp, zb->zb_objset, + DMU_USERUSED_OBJECT); + } + + err = traverse_dnode(td, mdnp, zb->zb_objset, + DMU_META_DNODE_OBJECT); + if (err == 0 && arc_buf_size(buf) >= sizeof (objset_phys_t)) { + err = traverse_dnode(td, gdnp, zb->zb_objset, + DMU_GROUPUSED_OBJECT); + } + if (err == 0 && arc_buf_size(buf) >= sizeof (objset_phys_t)) { + err = traverse_dnode(td, udnp, zb->zb_objset, + DMU_USERUSED_OBJECT); + } + } + + if (buf) + (void) arc_buf_remove_ref(buf, &buf); + +post: + if (err == 0 && (td->td_flags & TRAVERSE_POST)) + err = td->td_func(td->td_spa, NULL, bp, zb, dnp, td->td_arg); + + if ((td->td_flags & TRAVERSE_HARD) && (err == EIO || err == ECKSUM)) { + /* + * Ignore this disk error as requested by the HARD flag, + * and continue traversal. + */ + err = 0; + } + + /* + * If we are stopping here, set td_resume. + */ + if (td->td_resume != NULL && err != 0 && !td->td_paused) { + td->td_resume->zb_objset = zb->zb_objset; + td->td_resume->zb_object = zb->zb_object; + td->td_resume->zb_level = 0; + /* + * If we have stopped on an indirect block (e.g. due to + * i/o error), we have not visited anything below it. + * Set the bookmark to the first level-0 block that we need + * to visit. This way, the resuming code does not need to + * deal with resuming from indirect blocks. + */ + td->td_resume->zb_blkid = zb->zb_blkid << + (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT)); + td->td_paused = B_TRUE; + } + + return (err); +} + +static void +prefetch_dnode_metadata(traverse_data_t *td, const dnode_phys_t *dnp, + uint64_t objset, uint64_t object) +{ + int j; + zbookmark_phys_t czb; + + for (j = 0; j < dnp->dn_nblkptr; j++) { + SET_BOOKMARK(&czb, objset, object, dnp->dn_nlevels - 1, j); + traverse_prefetch_metadata(td, &dnp->dn_blkptr[j], &czb); + } + + if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) { + SET_BOOKMARK(&czb, objset, object, 0, DMU_SPILL_BLKID); + traverse_prefetch_metadata(td, &dnp->dn_spill, &czb); + } +} + +static int +traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp, + uint64_t objset, uint64_t object) +{ + int j, err = 0; + zbookmark_phys_t czb; + + for (j = 0; j < dnp->dn_nblkptr; j++) { + SET_BOOKMARK(&czb, objset, object, dnp->dn_nlevels - 1, j); + err = traverse_visitbp(td, dnp, &dnp->dn_blkptr[j], &czb); + if (err != 0) + break; + } + + if (err == 0 && dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) { + SET_BOOKMARK(&czb, objset, object, 0, DMU_SPILL_BLKID); + err = traverse_visitbp(td, dnp, &dnp->dn_spill, &czb); + } + return (err); +} + +/* ARGSUSED */ +static int +traverse_prefetcher(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) +{ + prefetch_data_t *pfd = arg; + arc_flags_t aflags = ARC_FLAG_NOWAIT | ARC_FLAG_PREFETCH; + + ASSERT(pfd->pd_bytes_fetched >= 0); + if (pfd->pd_cancel) + return (SET_ERROR(EINTR)); + + if (!prefetch_needed(pfd, bp)) + return (0); + + mutex_enter(&pfd->pd_mtx); + while (!pfd->pd_cancel && pfd->pd_bytes_fetched >= zfs_pd_bytes_max) + cv_wait_sig(&pfd->pd_cv, &pfd->pd_mtx); + pfd->pd_bytes_fetched += BP_GET_LSIZE(bp); + cv_broadcast(&pfd->pd_cv); + mutex_exit(&pfd->pd_mtx); + + (void) arc_read(NULL, spa, bp, NULL, NULL, ZIO_PRIORITY_ASYNC_READ, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE, &aflags, zb); + + return (0); +} + +static void +traverse_prefetch_thread(void *arg) +{ + traverse_data_t *td_main = arg; + traverse_data_t td = *td_main; + zbookmark_phys_t czb; + fstrans_cookie_t cookie = spl_fstrans_mark(); + + td.td_func = traverse_prefetcher; + td.td_arg = td_main->td_pfd; + td.td_pfd = NULL; + + SET_BOOKMARK(&czb, td.td_objset, + ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID); + (void) traverse_visitbp(&td, NULL, td.td_rootbp, &czb); + + mutex_enter(&td_main->td_pfd->pd_mtx); + td_main->td_pfd->pd_exited = B_TRUE; + cv_broadcast(&td_main->td_pfd->pd_cv); + mutex_exit(&td_main->td_pfd->pd_mtx); + spl_fstrans_unmark(cookie); +} + +/* + * NB: dataset must not be changing on-disk (eg, is a snapshot or we are + * in syncing context). + */ +static int +traverse_impl(spa_t *spa, dsl_dataset_t *ds, uint64_t objset, blkptr_t *rootbp, + uint64_t txg_start, zbookmark_phys_t *resume, int flags, + blkptr_cb_t func, void *arg) +{ + traverse_data_t *td; + prefetch_data_t *pd; + zbookmark_phys_t *czb; + int err; + + ASSERT(ds == NULL || objset == ds->ds_object); + ASSERT(!(flags & TRAVERSE_PRE) || !(flags & TRAVERSE_POST)); + + /* + * The data prefetching mechanism (the prefetch thread) is incompatible + * with resuming from a bookmark. + */ + ASSERT(resume == NULL || !(flags & TRAVERSE_PREFETCH_DATA)); + + td = kmem_alloc(sizeof (traverse_data_t), KM_SLEEP); + pd = kmem_zalloc(sizeof (prefetch_data_t), KM_SLEEP); + czb = kmem_alloc(sizeof (zbookmark_phys_t), KM_SLEEP); + + td->td_spa = spa; + td->td_objset = objset; + td->td_rootbp = rootbp; + td->td_min_txg = txg_start; + td->td_resume = resume; + td->td_func = func; + td->td_arg = arg; + td->td_pfd = pd; + td->td_flags = flags; + td->td_paused = B_FALSE; + td->td_realloc_possible = (txg_start == 0 ? B_FALSE : B_TRUE); + + if (spa_feature_is_active(spa, SPA_FEATURE_HOLE_BIRTH)) { + VERIFY(spa_feature_enabled_txg(spa, + SPA_FEATURE_HOLE_BIRTH, &td->td_hole_birth_enabled_txg)); + } else { + td->td_hole_birth_enabled_txg = UINT64_MAX; + } + + pd->pd_flags = flags; + mutex_init(&pd->pd_mtx, NULL, MUTEX_DEFAULT, NULL); + cv_init(&pd->pd_cv, NULL, CV_DEFAULT, NULL); + + SET_BOOKMARK(czb, td->td_objset, + ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID); + + /* See comment on ZIL traversal in dsl_scan_visitds. */ + if (ds != NULL && !ds->ds_is_snapshot && !BP_IS_HOLE(rootbp)) { + uint32_t flags = ARC_FLAG_WAIT; + objset_phys_t *osp; + arc_buf_t *buf; + + err = arc_read(NULL, td->td_spa, rootbp, + arc_getbuf_func, &buf, + ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, czb); + if (err != 0) + return (err); + + osp = buf->b_data; + traverse_zil(td, &osp->os_zil_header); + (void) arc_buf_remove_ref(buf, &buf); + } + + if (!(flags & TRAVERSE_PREFETCH_DATA) || + 0 == taskq_dispatch(system_taskq, traverse_prefetch_thread, + td, TQ_NOQUEUE)) + pd->pd_exited = B_TRUE; + + err = traverse_visitbp(td, NULL, rootbp, czb); + + mutex_enter(&pd->pd_mtx); + pd->pd_cancel = B_TRUE; + cv_broadcast(&pd->pd_cv); + while (!pd->pd_exited) + cv_wait_sig(&pd->pd_cv, &pd->pd_mtx); + mutex_exit(&pd->pd_mtx); + + mutex_destroy(&pd->pd_mtx); + cv_destroy(&pd->pd_cv); + + kmem_free(czb, sizeof (zbookmark_phys_t)); + kmem_free(pd, sizeof (struct prefetch_data)); + kmem_free(td, sizeof (struct traverse_data)); + + return (err); +} + +/* + * NB: dataset must not be changing on-disk (eg, is a snapshot or we are + * in syncing context). + */ +int +traverse_dataset(dsl_dataset_t *ds, uint64_t txg_start, int flags, + blkptr_cb_t func, void *arg) +{ + return (traverse_impl(ds->ds_dir->dd_pool->dp_spa, ds, ds->ds_object, + &dsl_dataset_phys(ds)->ds_bp, txg_start, NULL, flags, func, arg)); +} + +int +traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr, + uint64_t txg_start, zbookmark_phys_t *resume, int flags, + blkptr_cb_t func, void *arg) +{ + return (traverse_impl(spa, NULL, ZB_DESTROYED_OBJSET, + blkptr, txg_start, resume, flags, func, arg)); +} + +/* + * NB: pool must not be changing on-disk (eg, from zdb or sync context). + */ +int +traverse_pool(spa_t *spa, uint64_t txg_start, int flags, + blkptr_cb_t func, void *arg) +{ + int err; + uint64_t obj; + dsl_pool_t *dp = spa_get_dsl(spa); + objset_t *mos = dp->dp_meta_objset; + boolean_t hard = (flags & TRAVERSE_HARD); + + /* visit the MOS */ + err = traverse_impl(spa, NULL, 0, spa_get_rootblkptr(spa), + txg_start, NULL, flags, func, arg); + if (err != 0) + return (err); + + /* visit each dataset */ + for (obj = 1; err == 0; + err = dmu_object_next(mos, &obj, FALSE, txg_start)) { + dmu_object_info_t doi; + + err = dmu_object_info(mos, obj, &doi); + if (err != 0) { + if (hard) + continue; + break; + } + + if (doi.doi_bonus_type == DMU_OT_DSL_DATASET) { + dsl_dataset_t *ds; + uint64_t txg = txg_start; + + dsl_pool_config_enter(dp, FTAG); + err = dsl_dataset_hold_obj(dp, obj, FTAG, &ds); + dsl_pool_config_exit(dp, FTAG); + if (err != 0) { + if (hard) + continue; + break; + } + if (dsl_dataset_phys(ds)->ds_prev_snap_txg > txg) + txg = dsl_dataset_phys(ds)->ds_prev_snap_txg; + err = traverse_dataset(ds, txg, flags, func, arg); + dsl_dataset_rele(ds, FTAG); + if (err != 0) + break; + } + } + if (err == ESRCH) + err = 0; + return (err); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(traverse_dataset); +EXPORT_SYMBOL(traverse_pool); + +module_param(zfs_pd_bytes_max, int, 0644); +MODULE_PARM_DESC(zfs_pd_bytes_max, "Max number of bytes to prefetch"); + +module_param(ignore_hole_birth, int, 0644); +MODULE_PARM_DESC(ignore_hole_birth, "Ignore hole_birth txg for send"); +#endif diff --git a/zfs/module/zfs/dmu_tx.c b/zfs/module/zfs/dmu_tx.c new file mode 100644 index 000000000000..5ae429f70866 --- /dev/null +++ b/zfs/module/zfs/dmu_tx.c @@ -0,0 +1,1692 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012, 2015 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include /* for dsl_dataset_block_freeable() */ +#include /* for dsl_dir_tempreserve_*() */ +#include +#include /* for fzap_default_block_shift */ +#include +#include +#include +#include +#include +#include + +typedef void (*dmu_tx_hold_func_t)(dmu_tx_t *tx, struct dnode *dn, + uint64_t arg1, uint64_t arg2); + +dmu_tx_stats_t dmu_tx_stats = { + { "dmu_tx_assigned", KSTAT_DATA_UINT64 }, + { "dmu_tx_delay", KSTAT_DATA_UINT64 }, + { "dmu_tx_error", KSTAT_DATA_UINT64 }, + { "dmu_tx_suspended", KSTAT_DATA_UINT64 }, + { "dmu_tx_group", KSTAT_DATA_UINT64 }, + { "dmu_tx_memory_reserve", KSTAT_DATA_UINT64 }, + { "dmu_tx_memory_reclaim", KSTAT_DATA_UINT64 }, + { "dmu_tx_dirty_throttle", KSTAT_DATA_UINT64 }, + { "dmu_tx_dirty_delay", KSTAT_DATA_UINT64 }, + { "dmu_tx_dirty_over_max", KSTAT_DATA_UINT64 }, + { "dmu_tx_quota", KSTAT_DATA_UINT64 }, +}; + +static kstat_t *dmu_tx_ksp; + +dmu_tx_t * +dmu_tx_create_dd(dsl_dir_t *dd) +{ + dmu_tx_t *tx = kmem_zalloc(sizeof (dmu_tx_t), KM_SLEEP); + tx->tx_dir = dd; + if (dd != NULL) + tx->tx_pool = dd->dd_pool; + list_create(&tx->tx_holds, sizeof (dmu_tx_hold_t), + offsetof(dmu_tx_hold_t, txh_node)); + list_create(&tx->tx_callbacks, sizeof (dmu_tx_callback_t), + offsetof(dmu_tx_callback_t, dcb_node)); + tx->tx_start = gethrtime(); +#ifdef DEBUG_DMU_TX + refcount_create(&tx->tx_space_written); + refcount_create(&tx->tx_space_freed); +#endif + return (tx); +} + +dmu_tx_t * +dmu_tx_create(objset_t *os) +{ + dmu_tx_t *tx = dmu_tx_create_dd(os->os_dsl_dataset->ds_dir); + tx->tx_objset = os; + tx->tx_lastsnap_txg = dsl_dataset_prev_snap_txg(os->os_dsl_dataset); + return (tx); +} + +dmu_tx_t * +dmu_tx_create_assigned(struct dsl_pool *dp, uint64_t txg) +{ + dmu_tx_t *tx = dmu_tx_create_dd(NULL); + + ASSERT3U(txg, <=, dp->dp_tx.tx_open_txg); + tx->tx_pool = dp; + tx->tx_txg = txg; + tx->tx_anyobj = TRUE; + + return (tx); +} + +int +dmu_tx_is_syncing(dmu_tx_t *tx) +{ + return (tx->tx_anyobj); +} + +int +dmu_tx_private_ok(dmu_tx_t *tx) +{ + return (tx->tx_anyobj); +} + +static dmu_tx_hold_t * +dmu_tx_hold_object_impl(dmu_tx_t *tx, objset_t *os, uint64_t object, + enum dmu_tx_hold_type type, uint64_t arg1, uint64_t arg2) +{ + dmu_tx_hold_t *txh; + dnode_t *dn = NULL; + int err; + + if (object != DMU_NEW_OBJECT) { + err = dnode_hold(os, object, tx, &dn); + if (err) { + tx->tx_err = err; + return (NULL); + } + + if (err == 0 && tx->tx_txg != 0) { + mutex_enter(&dn->dn_mtx); + /* + * dn->dn_assigned_txg == tx->tx_txg doesn't pose a + * problem, but there's no way for it to happen (for + * now, at least). + */ + ASSERT(dn->dn_assigned_txg == 0); + dn->dn_assigned_txg = tx->tx_txg; + (void) refcount_add(&dn->dn_tx_holds, tx); + mutex_exit(&dn->dn_mtx); + } + } + + txh = kmem_zalloc(sizeof (dmu_tx_hold_t), KM_SLEEP); + txh->txh_tx = tx; + txh->txh_dnode = dn; +#ifdef DEBUG_DMU_TX + txh->txh_type = type; + txh->txh_arg1 = arg1; + txh->txh_arg2 = arg2; +#endif + list_insert_tail(&tx->tx_holds, txh); + + return (txh); +} + +void +dmu_tx_add_new_object(dmu_tx_t *tx, objset_t *os, uint64_t object) +{ + /* + * If we're syncing, they can manipulate any object anyhow, and + * the hold on the dnode_t can cause problems. + */ + if (!dmu_tx_is_syncing(tx)) { + (void) dmu_tx_hold_object_impl(tx, os, + object, THT_NEWOBJECT, 0, 0); + } +} + +static int +dmu_tx_check_ioerr(zio_t *zio, dnode_t *dn, int level, uint64_t blkid) +{ + int err; + dmu_buf_impl_t *db; + + rw_enter(&dn->dn_struct_rwlock, RW_READER); + db = dbuf_hold_level(dn, level, blkid, FTAG); + rw_exit(&dn->dn_struct_rwlock); + if (db == NULL) + return (SET_ERROR(EIO)); + err = dbuf_read(db, zio, DB_RF_CANFAIL | DB_RF_NOPREFETCH); + dbuf_rele(db, FTAG); + return (err); +} + +static void +dmu_tx_count_twig(dmu_tx_hold_t *txh, dnode_t *dn, dmu_buf_impl_t *db, + int level, uint64_t blkid, boolean_t freeable, uint64_t *history) +{ + objset_t *os = dn->dn_objset; + dsl_dataset_t *ds = os->os_dsl_dataset; + int epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + dmu_buf_impl_t *parent = NULL; + blkptr_t *bp = NULL; + uint64_t space; + + if (level >= dn->dn_nlevels || history[level] == blkid) + return; + + history[level] = blkid; + + space = (level == 0) ? dn->dn_datablksz : (1ULL << dn->dn_indblkshift); + + if (db == NULL || db == dn->dn_dbuf) { + ASSERT(level != 0); + db = NULL; + } else { + ASSERT(DB_DNODE(db) == dn); + ASSERT(db->db_level == level); + ASSERT(db->db.db_size == space); + ASSERT(db->db_blkid == blkid); + bp = db->db_blkptr; + parent = db->db_parent; + } + + freeable = (bp && (freeable || + dsl_dataset_block_freeable(ds, bp, bp->blk_birth))); + + if (freeable) + txh->txh_space_tooverwrite += space; + else + txh->txh_space_towrite += space; + if (bp) + txh->txh_space_tounref += bp_get_dsize(os->os_spa, bp); + + dmu_tx_count_twig(txh, dn, parent, level + 1, + blkid >> epbs, freeable, history); +} + +/* ARGSUSED */ +static void +dmu_tx_count_write(dmu_tx_hold_t *txh, uint64_t off, uint64_t len) +{ + dnode_t *dn = txh->txh_dnode; + uint64_t start, end, i; + int min_bs, max_bs, min_ibs, max_ibs, epbs, bits; + int err = 0; + int l; + + if (len == 0) + return; + + min_bs = SPA_MINBLOCKSHIFT; + max_bs = highbit64(txh->txh_tx->tx_objset->os_recordsize) - 1; + min_ibs = DN_MIN_INDBLKSHIFT; + max_ibs = DN_MAX_INDBLKSHIFT; + + if (dn) { + uint64_t history[DN_MAX_LEVELS]; + int nlvls = dn->dn_nlevels; + int delta; + + /* + * For i/o error checking, read the first and last level-0 + * blocks (if they are not aligned), and all the level-1 blocks. + */ + if (dn->dn_maxblkid == 0) { + delta = dn->dn_datablksz; + start = (off < dn->dn_datablksz) ? 0 : 1; + end = (off+len <= dn->dn_datablksz) ? 0 : 1; + if (start == 0 && (off > 0 || len < dn->dn_datablksz)) { + err = dmu_tx_check_ioerr(NULL, dn, 0, 0); + if (err) + goto out; + delta -= off; + } + } else { + zio_t *zio = zio_root(dn->dn_objset->os_spa, + NULL, NULL, ZIO_FLAG_CANFAIL); + + /* first level-0 block */ + start = off >> dn->dn_datablkshift; + if (P2PHASE(off, dn->dn_datablksz) || + len < dn->dn_datablksz) { + err = dmu_tx_check_ioerr(zio, dn, 0, start); + if (err) + goto out; + } + + /* last level-0 block */ + end = (off+len-1) >> dn->dn_datablkshift; + if (end != start && end <= dn->dn_maxblkid && + P2PHASE(off+len, dn->dn_datablksz)) { + err = dmu_tx_check_ioerr(zio, dn, 0, end); + if (err) + goto out; + } + + /* level-1 blocks */ + if (nlvls > 1) { + int shft = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + for (i = (start>>shft)+1; i < end>>shft; i++) { + err = dmu_tx_check_ioerr(zio, dn, 1, i); + if (err) + goto out; + } + } + + err = zio_wait(zio); + if (err) + goto out; + delta = P2NPHASE(off, dn->dn_datablksz); + } + + min_ibs = max_ibs = dn->dn_indblkshift; + if (dn->dn_maxblkid > 0) { + /* + * The blocksize can't change, + * so we can make a more precise estimate. + */ + ASSERT(dn->dn_datablkshift != 0); + min_bs = max_bs = dn->dn_datablkshift; + } else { + /* + * The blocksize can increase up to the recordsize, + * or if it is already more than the recordsize, + * up to the next power of 2. + */ + min_bs = highbit64(dn->dn_datablksz - 1); + max_bs = MAX(max_bs, highbit64(dn->dn_datablksz - 1)); + } + + /* + * If this write is not off the end of the file + * we need to account for overwrites/unref. + */ + if (start <= dn->dn_maxblkid) { + for (l = 0; l < DN_MAX_LEVELS; l++) + history[l] = -1ULL; + } + while (start <= dn->dn_maxblkid) { + dmu_buf_impl_t *db; + + rw_enter(&dn->dn_struct_rwlock, RW_READER); + err = dbuf_hold_impl(dn, 0, start, FALSE, FTAG, &db); + rw_exit(&dn->dn_struct_rwlock); + + if (err) { + txh->txh_tx->tx_err = err; + return; + } + + dmu_tx_count_twig(txh, dn, db, 0, start, B_FALSE, + history); + dbuf_rele(db, FTAG); + if (++start > end) { + /* + * Account for new indirects appearing + * before this IO gets assigned into a txg. + */ + bits = 64 - min_bs; + epbs = min_ibs - SPA_BLKPTRSHIFT; + for (bits -= epbs * (nlvls - 1); + bits >= 0; bits -= epbs) + txh->txh_fudge += 1ULL << max_ibs; + goto out; + } + off += delta; + if (len >= delta) + len -= delta; + delta = dn->dn_datablksz; + } + } + + /* + * 'end' is the last thing we will access, not one past. + * This way we won't overflow when accessing the last byte. + */ + start = P2ALIGN(off, 1ULL << max_bs); + end = P2ROUNDUP(off + len, 1ULL << max_bs) - 1; + txh->txh_space_towrite += end - start + 1; + + start >>= min_bs; + end >>= min_bs; + + epbs = min_ibs - SPA_BLKPTRSHIFT; + + /* + * The object contains at most 2^(64 - min_bs) blocks, + * and each indirect level maps 2^epbs. + */ + for (bits = 64 - min_bs; bits >= 0; bits -= epbs) { + start >>= epbs; + end >>= epbs; + ASSERT3U(end, >=, start); + txh->txh_space_towrite += (end - start + 1) << max_ibs; + if (start != 0) { + /* + * We also need a new blkid=0 indirect block + * to reference any existing file data. + */ + txh->txh_space_towrite += 1ULL << max_ibs; + } + } + +out: + if (txh->txh_space_towrite + txh->txh_space_tooverwrite > + 2 * DMU_MAX_ACCESS) + err = SET_ERROR(EFBIG); + + if (err) + txh->txh_tx->tx_err = err; +} + +static void +dmu_tx_count_dnode(dmu_tx_hold_t *txh) +{ + dnode_t *dn = txh->txh_dnode; + dnode_t *mdn = DMU_META_DNODE(txh->txh_tx->tx_objset); + uint64_t space = mdn->dn_datablksz + + ((mdn->dn_nlevels-1) << mdn->dn_indblkshift); + + if (dn && dn->dn_dbuf->db_blkptr && + dsl_dataset_block_freeable(dn->dn_objset->os_dsl_dataset, + dn->dn_dbuf->db_blkptr, dn->dn_dbuf->db_blkptr->blk_birth)) { + txh->txh_space_tooverwrite += space; + txh->txh_space_tounref += space; + } else { + txh->txh_space_towrite += space; + if (dn && dn->dn_dbuf->db_blkptr) + txh->txh_space_tounref += space; + } +} + +void +dmu_tx_hold_write(dmu_tx_t *tx, uint64_t object, uint64_t off, int len) +{ + dmu_tx_hold_t *txh; + + ASSERT(tx->tx_txg == 0); + ASSERT(len <= DMU_MAX_ACCESS); + ASSERT(len == 0 || UINT64_MAX - off >= len - 1); + + txh = dmu_tx_hold_object_impl(tx, tx->tx_objset, + object, THT_WRITE, off, len); + if (txh == NULL) + return; + + dmu_tx_count_write(txh, off, len); + dmu_tx_count_dnode(txh); +} + +static void +dmu_tx_count_free(dmu_tx_hold_t *txh, uint64_t off, uint64_t len) +{ + uint64_t blkid, nblks, lastblk; + uint64_t space = 0, unref = 0, skipped = 0; + dnode_t *dn = txh->txh_dnode; + dsl_dataset_t *ds = dn->dn_objset->os_dsl_dataset; + spa_t *spa = txh->txh_tx->tx_pool->dp_spa; + int epbs; + uint64_t l0span = 0, nl1blks = 0; + + if (dn->dn_nlevels == 0) + return; + + /* + * The struct_rwlock protects us against dn_nlevels + * changing, in case (against all odds) we manage to dirty & + * sync out the changes after we check for being dirty. + * Also, dbuf_hold_impl() wants us to have the struct_rwlock. + */ + rw_enter(&dn->dn_struct_rwlock, RW_READER); + epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + if (dn->dn_maxblkid == 0) { + if (off == 0 && len >= dn->dn_datablksz) { + blkid = 0; + nblks = 1; + } else { + rw_exit(&dn->dn_struct_rwlock); + return; + } + } else { + blkid = off >> dn->dn_datablkshift; + nblks = (len + dn->dn_datablksz - 1) >> dn->dn_datablkshift; + + if (blkid > dn->dn_maxblkid) { + rw_exit(&dn->dn_struct_rwlock); + return; + } + if (blkid + nblks > dn->dn_maxblkid) + nblks = dn->dn_maxblkid - blkid + 1; + + } + l0span = nblks; /* save for later use to calc level > 1 overhead */ + if (dn->dn_nlevels == 1) { + int i; + for (i = 0; i < nblks; i++) { + blkptr_t *bp = dn->dn_phys->dn_blkptr; + ASSERT3U(blkid + i, <, dn->dn_nblkptr); + bp += blkid + i; + if (dsl_dataset_block_freeable(ds, bp, bp->blk_birth)) { + dprintf_bp(bp, "can free old%s", ""); + space += bp_get_dsize(spa, bp); + } + unref += BP_GET_ASIZE(bp); + } + nl1blks = 1; + nblks = 0; + } + + lastblk = blkid + nblks - 1; + while (nblks) { + dmu_buf_impl_t *dbuf; + uint64_t ibyte, new_blkid; + int epb = 1 << epbs; + int err, i, blkoff, tochk; + blkptr_t *bp; + + ibyte = blkid << dn->dn_datablkshift; + err = dnode_next_offset(dn, + DNODE_FIND_HAVELOCK, &ibyte, 2, 1, 0); + new_blkid = ibyte >> dn->dn_datablkshift; + if (err == ESRCH) { + skipped += (lastblk >> epbs) - (blkid >> epbs) + 1; + break; + } + if (err) { + txh->txh_tx->tx_err = err; + break; + } + if (new_blkid > lastblk) { + skipped += (lastblk >> epbs) - (blkid >> epbs) + 1; + break; + } + + if (new_blkid > blkid) { + ASSERT((new_blkid >> epbs) > (blkid >> epbs)); + skipped += (new_blkid >> epbs) - (blkid >> epbs) - 1; + nblks -= new_blkid - blkid; + blkid = new_blkid; + } + blkoff = P2PHASE(blkid, epb); + tochk = MIN(epb - blkoff, nblks); + + err = dbuf_hold_impl(dn, 1, blkid >> epbs, FALSE, FTAG, &dbuf); + if (err) { + txh->txh_tx->tx_err = err; + break; + } + + txh->txh_memory_tohold += dbuf->db.db_size; + + /* + * We don't check memory_tohold against DMU_MAX_ACCESS because + * memory_tohold is an over-estimation (especially the >L1 + * indirect blocks), so it could fail. Callers should have + * already verified that they will not be holding too much + * memory. + */ + + err = dbuf_read(dbuf, NULL, DB_RF_HAVESTRUCT | DB_RF_CANFAIL); + if (err != 0) { + txh->txh_tx->tx_err = err; + dbuf_rele(dbuf, FTAG); + break; + } + + bp = dbuf->db.db_data; + bp += blkoff; + + for (i = 0; i < tochk; i++) { + if (dsl_dataset_block_freeable(ds, &bp[i], + bp[i].blk_birth)) { + dprintf_bp(&bp[i], "can free old%s", ""); + space += bp_get_dsize(spa, &bp[i]); + } + unref += BP_GET_ASIZE(bp); + } + dbuf_rele(dbuf, FTAG); + + ++nl1blks; + blkid += tochk; + nblks -= tochk; + } + rw_exit(&dn->dn_struct_rwlock); + + /* + * Add in memory requirements of higher-level indirects. + * This assumes a worst-possible scenario for dn_nlevels and a + * worst-possible distribution of l1-blocks over the region to free. + */ + { + uint64_t blkcnt = 1 + ((l0span >> epbs) >> epbs); + int level = 2; + /* + * Here we don't use DN_MAX_LEVEL, but calculate it with the + * given datablkshift and indblkshift. This makes the + * difference between 19 and 8 on large files. + */ + int maxlevel = 2 + (DN_MAX_OFFSET_SHIFT - dn->dn_datablkshift) / + (dn->dn_indblkshift - SPA_BLKPTRSHIFT); + + while (level++ < maxlevel) { + txh->txh_memory_tohold += MAX(MIN(blkcnt, nl1blks), 1) + << dn->dn_indblkshift; + blkcnt = 1 + (blkcnt >> epbs); + } + } + + /* account for new level 1 indirect blocks that might show up */ + if (skipped > 0) { + txh->txh_fudge += skipped << dn->dn_indblkshift; + skipped = MIN(skipped, DMU_MAX_DELETEBLKCNT >> epbs); + txh->txh_memory_tohold += skipped << dn->dn_indblkshift; + } + txh->txh_space_tofree += space; + txh->txh_space_tounref += unref; +} + +void +dmu_tx_hold_free(dmu_tx_t *tx, uint64_t object, uint64_t off, uint64_t len) +{ + dmu_tx_hold_t *txh; + dnode_t *dn; + int err; + zio_t *zio; + + ASSERT(tx->tx_txg == 0); + + txh = dmu_tx_hold_object_impl(tx, tx->tx_objset, + object, THT_FREE, off, len); + if (txh == NULL) + return; + dn = txh->txh_dnode; + dmu_tx_count_dnode(txh); + + if (off >= (dn->dn_maxblkid+1) * dn->dn_datablksz) + return; + if (len == DMU_OBJECT_END) + len = (dn->dn_maxblkid+1) * dn->dn_datablksz - off; + + dmu_tx_count_dnode(txh); + + /* + * For i/o error checking, we read the first and last level-0 + * blocks if they are not aligned, and all the level-1 blocks. + * + * Note: dbuf_free_range() assumes that we have not instantiated + * any level-0 dbufs that will be completely freed. Therefore we must + * exercise care to not read or count the first and last blocks + * if they are blocksize-aligned. + */ + if (dn->dn_datablkshift == 0) { + if (off != 0 || len < dn->dn_datablksz) + dmu_tx_count_write(txh, 0, dn->dn_datablksz); + } else { + /* first block will be modified if it is not aligned */ + if (!IS_P2ALIGNED(off, 1 << dn->dn_datablkshift)) + dmu_tx_count_write(txh, off, 1); + /* last block will be modified if it is not aligned */ + if (!IS_P2ALIGNED(off + len, 1 << dn->dn_datablkshift)) + dmu_tx_count_write(txh, off+len, 1); + } + + /* + * Check level-1 blocks. + */ + if (dn->dn_nlevels > 1) { + int shift = dn->dn_datablkshift + dn->dn_indblkshift - + SPA_BLKPTRSHIFT; + uint64_t start = off >> shift; + uint64_t end = (off + len) >> shift; + uint64_t i; + + ASSERT(dn->dn_indblkshift != 0); + + /* + * dnode_reallocate() can result in an object with indirect + * blocks having an odd data block size. In this case, + * just check the single block. + */ + if (dn->dn_datablkshift == 0) + start = end = 0; + + zio = zio_root(tx->tx_pool->dp_spa, + NULL, NULL, ZIO_FLAG_CANFAIL); + for (i = start; i <= end; i++) { + uint64_t ibyte = i << shift; + err = dnode_next_offset(dn, 0, &ibyte, 2, 1, 0); + i = ibyte >> shift; + if (err == ESRCH || i > end) + break; + if (err) { + tx->tx_err = err; + return; + } + + err = dmu_tx_check_ioerr(zio, dn, 1, i); + if (err) { + tx->tx_err = err; + return; + } + } + err = zio_wait(zio); + if (err) { + tx->tx_err = err; + return; + } + } + + dmu_tx_count_free(txh, off, len); +} + +void +dmu_tx_hold_zap(dmu_tx_t *tx, uint64_t object, int add, const char *name) +{ + dmu_tx_hold_t *txh; + dnode_t *dn; + dsl_dataset_phys_t *ds_phys; + uint64_t nblocks; + int epbs, err; + + ASSERT(tx->tx_txg == 0); + + txh = dmu_tx_hold_object_impl(tx, tx->tx_objset, + object, THT_ZAP, add, (uintptr_t)name); + if (txh == NULL) + return; + dn = txh->txh_dnode; + + dmu_tx_count_dnode(txh); + + if (dn == NULL) { + /* + * We will be able to fit a new object's entries into one leaf + * block. So there will be at most 2 blocks total, + * including the header block. + */ + dmu_tx_count_write(txh, 0, 2 << fzap_default_block_shift); + return; + } + + ASSERT3U(DMU_OT_BYTESWAP(dn->dn_type), ==, DMU_BSWAP_ZAP); + + if (dn->dn_maxblkid == 0 && !add) { + blkptr_t *bp; + + /* + * If there is only one block (i.e. this is a micro-zap) + * and we are not adding anything, the accounting is simple. + */ + err = dmu_tx_check_ioerr(NULL, dn, 0, 0); + if (err) { + tx->tx_err = err; + return; + } + + /* + * Use max block size here, since we don't know how much + * the size will change between now and the dbuf dirty call. + */ + bp = &dn->dn_phys->dn_blkptr[0]; + if (dsl_dataset_block_freeable(dn->dn_objset->os_dsl_dataset, + bp, bp->blk_birth)) + txh->txh_space_tooverwrite += MZAP_MAX_BLKSZ; + else + txh->txh_space_towrite += MZAP_MAX_BLKSZ; + if (!BP_IS_HOLE(bp)) + txh->txh_space_tounref += MZAP_MAX_BLKSZ; + return; + } + + if (dn->dn_maxblkid > 0 && name) { + /* + * access the name in this fat-zap so that we'll check + * for i/o errors to the leaf blocks, etc. + */ + err = zap_lookup(dn->dn_objset, dn->dn_object, name, + 8, 0, NULL); + if (err == EIO) { + tx->tx_err = err; + return; + } + } + + err = zap_count_write(dn->dn_objset, dn->dn_object, name, add, + &txh->txh_space_towrite, &txh->txh_space_tooverwrite); + + /* + * If the modified blocks are scattered to the four winds, + * we'll have to modify an indirect twig for each. + */ + epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + ds_phys = dsl_dataset_phys(dn->dn_objset->os_dsl_dataset); + for (nblocks = dn->dn_maxblkid >> epbs; nblocks != 0; nblocks >>= epbs) + if (ds_phys->ds_prev_snap_obj) + txh->txh_space_towrite += 3 << dn->dn_indblkshift; + else + txh->txh_space_tooverwrite += 3 << dn->dn_indblkshift; +} + +void +dmu_tx_hold_bonus(dmu_tx_t *tx, uint64_t object) +{ + dmu_tx_hold_t *txh; + + ASSERT(tx->tx_txg == 0); + + txh = dmu_tx_hold_object_impl(tx, tx->tx_objset, + object, THT_BONUS, 0, 0); + if (txh) + dmu_tx_count_dnode(txh); +} + +void +dmu_tx_hold_space(dmu_tx_t *tx, uint64_t space) +{ + dmu_tx_hold_t *txh; + + ASSERT(tx->tx_txg == 0); + + txh = dmu_tx_hold_object_impl(tx, tx->tx_objset, + DMU_NEW_OBJECT, THT_SPACE, space, 0); + if (txh) + txh->txh_space_towrite += space; +} + +int +dmu_tx_holds(dmu_tx_t *tx, uint64_t object) +{ + dmu_tx_hold_t *txh; + int holds = 0; + + /* + * By asserting that the tx is assigned, we're counting the + * number of dn_tx_holds, which is the same as the number of + * dn_holds. Otherwise, we'd be counting dn_holds, but + * dn_tx_holds could be 0. + */ + ASSERT(tx->tx_txg != 0); + + /* if (tx->tx_anyobj == TRUE) */ + /* return (0); */ + + for (txh = list_head(&tx->tx_holds); txh; + txh = list_next(&tx->tx_holds, txh)) { + if (txh->txh_dnode && txh->txh_dnode->dn_object == object) + holds++; + } + + return (holds); +} + +#ifdef DEBUG_DMU_TX +void +dmu_tx_dirty_buf(dmu_tx_t *tx, dmu_buf_impl_t *db) +{ + dmu_tx_hold_t *txh; + int match_object = FALSE, match_offset = FALSE; + dnode_t *dn; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + ASSERT(dn != NULL); + ASSERT(tx->tx_txg != 0); + ASSERT(tx->tx_objset == NULL || dn->dn_objset == tx->tx_objset); + ASSERT3U(dn->dn_object, ==, db->db.db_object); + + if (tx->tx_anyobj) { + DB_DNODE_EXIT(db); + return; + } + + /* XXX No checking on the meta dnode for now */ + if (db->db.db_object == DMU_META_DNODE_OBJECT) { + DB_DNODE_EXIT(db); + return; + } + + for (txh = list_head(&tx->tx_holds); txh; + txh = list_next(&tx->tx_holds, txh)) { + ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg); + if (txh->txh_dnode == dn && txh->txh_type != THT_NEWOBJECT) + match_object = TRUE; + if (txh->txh_dnode == NULL || txh->txh_dnode == dn) { + int datablkshift = dn->dn_datablkshift ? + dn->dn_datablkshift : SPA_MAXBLOCKSHIFT; + int epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + int shift = datablkshift + epbs * db->db_level; + uint64_t beginblk = shift >= 64 ? 0 : + (txh->txh_arg1 >> shift); + uint64_t endblk = shift >= 64 ? 0 : + ((txh->txh_arg1 + txh->txh_arg2 - 1) >> shift); + uint64_t blkid = db->db_blkid; + + /* XXX txh_arg2 better not be zero... */ + + dprintf("found txh type %x beginblk=%llx endblk=%llx\n", + txh->txh_type, beginblk, endblk); + + switch (txh->txh_type) { + case THT_WRITE: + if (blkid >= beginblk && blkid <= endblk) + match_offset = TRUE; + /* + * We will let this hold work for the bonus + * or spill buffer so that we don't need to + * hold it when creating a new object. + */ + if (blkid == DMU_BONUS_BLKID || + blkid == DMU_SPILL_BLKID) + match_offset = TRUE; + /* + * They might have to increase nlevels, + * thus dirtying the new TLIBs. Or the + * might have to change the block size, + * thus dirying the new lvl=0 blk=0. + */ + if (blkid == 0) + match_offset = TRUE; + break; + case THT_FREE: + /* + * We will dirty all the level 1 blocks in + * the free range and perhaps the first and + * last level 0 block. + */ + if (blkid >= beginblk && (blkid <= endblk || + txh->txh_arg2 == DMU_OBJECT_END)) + match_offset = TRUE; + break; + case THT_SPILL: + if (blkid == DMU_SPILL_BLKID) + match_offset = TRUE; + break; + case THT_BONUS: + if (blkid == DMU_BONUS_BLKID) + match_offset = TRUE; + break; + case THT_ZAP: + match_offset = TRUE; + break; + case THT_NEWOBJECT: + match_object = TRUE; + break; + default: + cmn_err(CE_PANIC, "bad txh_type %d", + txh->txh_type); + } + } + if (match_object && match_offset) { + DB_DNODE_EXIT(db); + return; + } + } + DB_DNODE_EXIT(db); + panic("dirtying dbuf obj=%llx lvl=%u blkid=%llx but not tx_held\n", + (u_longlong_t)db->db.db_object, db->db_level, + (u_longlong_t)db->db_blkid); +} +#endif + +/* + * If we can't do 10 iops, something is wrong. Let us go ahead + * and hit zfs_dirty_data_max. + */ +hrtime_t zfs_delay_max_ns = 100 * MICROSEC; /* 100 milliseconds */ +int zfs_delay_resolution_ns = 100 * 1000; /* 100 microseconds */ + +/* + * We delay transactions when we've determined that the backend storage + * isn't able to accommodate the rate of incoming writes. + * + * If there is already a transaction waiting, we delay relative to when + * that transaction finishes waiting. This way the calculated min_time + * is independent of the number of threads concurrently executing + * transactions. + * + * If we are the only waiter, wait relative to when the transaction + * started, rather than the current time. This credits the transaction for + * "time already served", e.g. reading indirect blocks. + * + * The minimum time for a transaction to take is calculated as: + * min_time = scale * (dirty - min) / (max - dirty) + * min_time is then capped at zfs_delay_max_ns. + * + * The delay has two degrees of freedom that can be adjusted via tunables. + * The percentage of dirty data at which we start to delay is defined by + * zfs_delay_min_dirty_percent. This should typically be at or above + * zfs_vdev_async_write_active_max_dirty_percent so that we only start to + * delay after writing at full speed has failed to keep up with the incoming + * write rate. The scale of the curve is defined by zfs_delay_scale. Roughly + * speaking, this variable determines the amount of delay at the midpoint of + * the curve. + * + * delay + * 10ms +-------------------------------------------------------------*+ + * | *| + * 9ms + *+ + * | *| + * 8ms + *+ + * | * | + * 7ms + * + + * | * | + * 6ms + * + + * | * | + * 5ms + * + + * | * | + * 4ms + * + + * | * | + * 3ms + * + + * | * | + * 2ms + (midpoint) * + + * | | ** | + * 1ms + v *** + + * | zfs_delay_scale ----------> ******** | + * 0 +-------------------------------------*********----------------+ + * 0% <- zfs_dirty_data_max -> 100% + * + * Note that since the delay is added to the outstanding time remaining on the + * most recent transaction, the delay is effectively the inverse of IOPS. + * Here the midpoint of 500us translates to 2000 IOPS. The shape of the curve + * was chosen such that small changes in the amount of accumulated dirty data + * in the first 3/4 of the curve yield relatively small differences in the + * amount of delay. + * + * The effects can be easier to understand when the amount of delay is + * represented on a log scale: + * + * delay + * 100ms +-------------------------------------------------------------++ + * + + + * | | + * + *+ + * 10ms + *+ + * + ** + + * | (midpoint) ** | + * + | ** + + * 1ms + v **** + + * + zfs_delay_scale ----------> ***** + + * | **** | + * + **** + + * 100us + ** + + * + * + + * | * | + * + * + + * 10us + * + + * + + + * | | + * + + + * +--------------------------------------------------------------+ + * 0% <- zfs_dirty_data_max -> 100% + * + * Note here that only as the amount of dirty data approaches its limit does + * the delay start to increase rapidly. The goal of a properly tuned system + * should be to keep the amount of dirty data out of that range by first + * ensuring that the appropriate limits are set for the I/O scheduler to reach + * optimal throughput on the backend storage, and then by changing the value + * of zfs_delay_scale to increase the steepness of the curve. + */ +static void +dmu_tx_delay(dmu_tx_t *tx, uint64_t dirty) +{ + dsl_pool_t *dp = tx->tx_pool; + uint64_t delay_min_bytes = + zfs_dirty_data_max * zfs_delay_min_dirty_percent / 100; + hrtime_t wakeup, min_tx_time, now; + + if (dirty <= delay_min_bytes) + return; + + /* + * The caller has already waited until we are under the max. + * We make them pass us the amount of dirty data so we don't + * have to handle the case of it being >= the max, which could + * cause a divide-by-zero if it's == the max. + */ + ASSERT3U(dirty, <, zfs_dirty_data_max); + + now = gethrtime(); + min_tx_time = zfs_delay_scale * + (dirty - delay_min_bytes) / (zfs_dirty_data_max - dirty); + min_tx_time = MIN(min_tx_time, zfs_delay_max_ns); + if (now > tx->tx_start + min_tx_time) + return; + + DTRACE_PROBE3(delay__mintime, dmu_tx_t *, tx, uint64_t, dirty, + uint64_t, min_tx_time); + + mutex_enter(&dp->dp_lock); + wakeup = MAX(tx->tx_start + min_tx_time, + dp->dp_last_wakeup + min_tx_time); + dp->dp_last_wakeup = wakeup; + mutex_exit(&dp->dp_lock); + + zfs_sleep_until(wakeup); +} + +static int +dmu_tx_try_assign(dmu_tx_t *tx, txg_how_t txg_how) +{ + dmu_tx_hold_t *txh; + spa_t *spa = tx->tx_pool->dp_spa; + uint64_t memory, asize, fsize, usize; + uint64_t towrite, tofree, tooverwrite, tounref, tohold, fudge; + + ASSERT0(tx->tx_txg); + + if (tx->tx_err) { + DMU_TX_STAT_BUMP(dmu_tx_error); + return (tx->tx_err); + } + + if (spa_suspended(spa)) { + DMU_TX_STAT_BUMP(dmu_tx_suspended); + + /* + * If the user has indicated a blocking failure mode + * then return ERESTART which will block in dmu_tx_wait(). + * Otherwise, return EIO so that an error can get + * propagated back to the VOP calls. + * + * Note that we always honor the txg_how flag regardless + * of the failuremode setting. + */ + if (spa_get_failmode(spa) == ZIO_FAILURE_MODE_CONTINUE && + txg_how != TXG_WAIT) + return (SET_ERROR(EIO)); + + return (SET_ERROR(ERESTART)); + } + + if (!tx->tx_waited && + dsl_pool_need_dirty_delay(tx->tx_pool)) { + tx->tx_wait_dirty = B_TRUE; + DMU_TX_STAT_BUMP(dmu_tx_dirty_delay); + return (ERESTART); + } + + tx->tx_txg = txg_hold_open(tx->tx_pool, &tx->tx_txgh); + tx->tx_needassign_txh = NULL; + + /* + * NB: No error returns are allowed after txg_hold_open, but + * before processing the dnode holds, due to the + * dmu_tx_unassign() logic. + */ + + towrite = tofree = tooverwrite = tounref = tohold = fudge = 0; + for (txh = list_head(&tx->tx_holds); txh; + txh = list_next(&tx->tx_holds, txh)) { + dnode_t *dn = txh->txh_dnode; + if (dn != NULL) { + mutex_enter(&dn->dn_mtx); + if (dn->dn_assigned_txg == tx->tx_txg - 1) { + mutex_exit(&dn->dn_mtx); + tx->tx_needassign_txh = txh; + DMU_TX_STAT_BUMP(dmu_tx_group); + return (SET_ERROR(ERESTART)); + } + if (dn->dn_assigned_txg == 0) + dn->dn_assigned_txg = tx->tx_txg; + ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg); + (void) refcount_add(&dn->dn_tx_holds, tx); + mutex_exit(&dn->dn_mtx); + } + towrite += txh->txh_space_towrite; + tofree += txh->txh_space_tofree; + tooverwrite += txh->txh_space_tooverwrite; + tounref += txh->txh_space_tounref; + tohold += txh->txh_memory_tohold; + fudge += txh->txh_fudge; + } + + /* + * If a snapshot has been taken since we made our estimates, + * assume that we won't be able to free or overwrite anything. + */ + if (tx->tx_objset && + dsl_dataset_prev_snap_txg(tx->tx_objset->os_dsl_dataset) > + tx->tx_lastsnap_txg) { + towrite += tooverwrite; + tooverwrite = tofree = 0; + } + + /* needed allocation: worst-case estimate of write space */ + asize = spa_get_asize(tx->tx_pool->dp_spa, towrite + tooverwrite); + /* freed space estimate: worst-case overwrite + free estimate */ + fsize = spa_get_asize(tx->tx_pool->dp_spa, tooverwrite) + tofree; + /* convert unrefd space to worst-case estimate */ + usize = spa_get_asize(tx->tx_pool->dp_spa, tounref); + /* calculate memory footprint estimate */ + memory = towrite + tooverwrite + tohold; + +#ifdef DEBUG_DMU_TX + /* + * Add in 'tohold' to account for our dirty holds on this memory + * XXX - the "fudge" factor is to account for skipped blocks that + * we missed because dnode_next_offset() misses in-core-only blocks. + */ + tx->tx_space_towrite = asize + + spa_get_asize(tx->tx_pool->dp_spa, tohold + fudge); + tx->tx_space_tofree = tofree; + tx->tx_space_tooverwrite = tooverwrite; + tx->tx_space_tounref = tounref; +#endif + + if (tx->tx_dir && asize != 0) { + int err = dsl_dir_tempreserve_space(tx->tx_dir, memory, + asize, fsize, usize, &tx->tx_tempreserve_cookie, tx); + if (err) + return (err); + } + + DMU_TX_STAT_BUMP(dmu_tx_assigned); + + return (0); +} + +static void +dmu_tx_unassign(dmu_tx_t *tx) +{ + dmu_tx_hold_t *txh; + + if (tx->tx_txg == 0) + return; + + txg_rele_to_quiesce(&tx->tx_txgh); + + /* + * Walk the transaction's hold list, removing the hold on the + * associated dnode, and notifying waiters if the refcount drops to 0. + */ + for (txh = list_head(&tx->tx_holds); txh != tx->tx_needassign_txh; + txh = list_next(&tx->tx_holds, txh)) { + dnode_t *dn = txh->txh_dnode; + + if (dn == NULL) + continue; + mutex_enter(&dn->dn_mtx); + ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg); + + if (refcount_remove(&dn->dn_tx_holds, tx) == 0) { + dn->dn_assigned_txg = 0; + cv_broadcast(&dn->dn_notxholds); + } + mutex_exit(&dn->dn_mtx); + } + + txg_rele_to_sync(&tx->tx_txgh); + + tx->tx_lasttried_txg = tx->tx_txg; + tx->tx_txg = 0; +} + +/* + * Assign tx to a transaction group. txg_how can be one of: + * + * (1) TXG_WAIT. If the current open txg is full, waits until there's + * a new one. This should be used when you're not holding locks. + * It will only fail if we're truly out of space (or over quota). + * + * (2) TXG_NOWAIT. If we can't assign into the current open txg without + * blocking, returns immediately with ERESTART. This should be used + * whenever you're holding locks. On an ERESTART error, the caller + * should drop locks, do a dmu_tx_wait(tx), and try again. + * + * (3) TXG_WAITED. Like TXG_NOWAIT, but indicates that dmu_tx_wait() + * has already been called on behalf of this operation (though + * most likely on a different tx). + */ +int +dmu_tx_assign(dmu_tx_t *tx, txg_how_t txg_how) +{ + int err; + + ASSERT(tx->tx_txg == 0); + ASSERT(txg_how == TXG_WAIT || txg_how == TXG_NOWAIT || + txg_how == TXG_WAITED); + ASSERT(!dsl_pool_sync_context(tx->tx_pool)); + + if (txg_how == TXG_WAITED) + tx->tx_waited = B_TRUE; + + /* If we might wait, we must not hold the config lock. */ + ASSERT(txg_how != TXG_WAIT || !dsl_pool_config_held(tx->tx_pool)); + + while ((err = dmu_tx_try_assign(tx, txg_how)) != 0) { + dmu_tx_unassign(tx); + + if (err != ERESTART || txg_how != TXG_WAIT) + return (err); + + dmu_tx_wait(tx); + } + + txg_rele_to_quiesce(&tx->tx_txgh); + + return (0); +} + +void +dmu_tx_wait(dmu_tx_t *tx) +{ + spa_t *spa = tx->tx_pool->dp_spa; + dsl_pool_t *dp = tx->tx_pool; + hrtime_t before; + + ASSERT(tx->tx_txg == 0); + ASSERT(!dsl_pool_config_held(tx->tx_pool)); + + before = gethrtime(); + + if (tx->tx_wait_dirty) { + uint64_t dirty; + + /* + * dmu_tx_try_assign() has determined that we need to wait + * because we've consumed much or all of the dirty buffer + * space. + */ + mutex_enter(&dp->dp_lock); + if (dp->dp_dirty_total >= zfs_dirty_data_max) + DMU_TX_STAT_BUMP(dmu_tx_dirty_over_max); + while (dp->dp_dirty_total >= zfs_dirty_data_max) + cv_wait(&dp->dp_spaceavail_cv, &dp->dp_lock); + dirty = dp->dp_dirty_total; + mutex_exit(&dp->dp_lock); + + dmu_tx_delay(tx, dirty); + + tx->tx_wait_dirty = B_FALSE; + + /* + * Note: setting tx_waited only has effect if the caller + * used TX_WAIT. Otherwise they are going to destroy + * this tx and try again. The common case, zfs_write(), + * uses TX_WAIT. + */ + tx->tx_waited = B_TRUE; + } else if (spa_suspended(spa) || tx->tx_lasttried_txg == 0) { + /* + * If the pool is suspended we need to wait until it + * is resumed. Note that it's possible that the pool + * has become active after this thread has tried to + * obtain a tx. If that's the case then tx_lasttried_txg + * would not have been set. + */ + txg_wait_synced(dp, spa_last_synced_txg(spa) + 1); + } else if (tx->tx_needassign_txh) { + dnode_t *dn = tx->tx_needassign_txh->txh_dnode; + + mutex_enter(&dn->dn_mtx); + while (dn->dn_assigned_txg == tx->tx_lasttried_txg - 1) + cv_wait(&dn->dn_notxholds, &dn->dn_mtx); + mutex_exit(&dn->dn_mtx); + tx->tx_needassign_txh = NULL; + } else { + /* + * A dnode is assigned to the quiescing txg. Wait for its + * transaction to complete. + */ + txg_wait_open(tx->tx_pool, tx->tx_lasttried_txg + 1); + } + + spa_tx_assign_add_nsecs(spa, gethrtime() - before); +} + +void +dmu_tx_willuse_space(dmu_tx_t *tx, int64_t delta) +{ +#ifdef DEBUG_DMU_TX + if (tx->tx_dir == NULL || delta == 0) + return; + + if (delta > 0) { + ASSERT3U(refcount_count(&tx->tx_space_written) + delta, <=, + tx->tx_space_towrite); + (void) refcount_add_many(&tx->tx_space_written, delta, NULL); + } else { + (void) refcount_add_many(&tx->tx_space_freed, -delta, NULL); + } +#endif +} + +void +dmu_tx_commit(dmu_tx_t *tx) +{ + dmu_tx_hold_t *txh; + + ASSERT(tx->tx_txg != 0); + + /* + * Go through the transaction's hold list and remove holds on + * associated dnodes, notifying waiters if no holds remain. + */ + while ((txh = list_head(&tx->tx_holds))) { + dnode_t *dn = txh->txh_dnode; + + list_remove(&tx->tx_holds, txh); + kmem_free(txh, sizeof (dmu_tx_hold_t)); + if (dn == NULL) + continue; + mutex_enter(&dn->dn_mtx); + ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg); + + if (refcount_remove(&dn->dn_tx_holds, tx) == 0) { + dn->dn_assigned_txg = 0; + cv_broadcast(&dn->dn_notxholds); + } + mutex_exit(&dn->dn_mtx); + dnode_rele(dn, tx); + } + + if (tx->tx_tempreserve_cookie) + dsl_dir_tempreserve_clear(tx->tx_tempreserve_cookie, tx); + + if (!list_is_empty(&tx->tx_callbacks)) + txg_register_callbacks(&tx->tx_txgh, &tx->tx_callbacks); + + if (tx->tx_anyobj == FALSE) + txg_rele_to_sync(&tx->tx_txgh); + + list_destroy(&tx->tx_callbacks); + list_destroy(&tx->tx_holds); +#ifdef DEBUG_DMU_TX + dprintf("towrite=%llu written=%llu tofree=%llu freed=%llu\n", + tx->tx_space_towrite, refcount_count(&tx->tx_space_written), + tx->tx_space_tofree, refcount_count(&tx->tx_space_freed)); + refcount_destroy_many(&tx->tx_space_written, + refcount_count(&tx->tx_space_written)); + refcount_destroy_many(&tx->tx_space_freed, + refcount_count(&tx->tx_space_freed)); +#endif + kmem_free(tx, sizeof (dmu_tx_t)); +} + +void +dmu_tx_abort(dmu_tx_t *tx) +{ + dmu_tx_hold_t *txh; + + ASSERT(tx->tx_txg == 0); + + while ((txh = list_head(&tx->tx_holds))) { + dnode_t *dn = txh->txh_dnode; + + list_remove(&tx->tx_holds, txh); + kmem_free(txh, sizeof (dmu_tx_hold_t)); + if (dn != NULL) + dnode_rele(dn, tx); + } + + /* + * Call any registered callbacks with an error code. + */ + if (!list_is_empty(&tx->tx_callbacks)) + dmu_tx_do_callbacks(&tx->tx_callbacks, ECANCELED); + + list_destroy(&tx->tx_callbacks); + list_destroy(&tx->tx_holds); +#ifdef DEBUG_DMU_TX + refcount_destroy_many(&tx->tx_space_written, + refcount_count(&tx->tx_space_written)); + refcount_destroy_many(&tx->tx_space_freed, + refcount_count(&tx->tx_space_freed)); +#endif + kmem_free(tx, sizeof (dmu_tx_t)); +} + +uint64_t +dmu_tx_get_txg(dmu_tx_t *tx) +{ + ASSERT(tx->tx_txg != 0); + return (tx->tx_txg); +} + +dsl_pool_t * +dmu_tx_pool(dmu_tx_t *tx) +{ + ASSERT(tx->tx_pool != NULL); + return (tx->tx_pool); +} + +void +dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *func, void *data) +{ + dmu_tx_callback_t *dcb; + + dcb = kmem_alloc(sizeof (dmu_tx_callback_t), KM_SLEEP); + + dcb->dcb_func = func; + dcb->dcb_data = data; + + list_insert_tail(&tx->tx_callbacks, dcb); +} + +/* + * Call all the commit callbacks on a list, with a given error code. + */ +void +dmu_tx_do_callbacks(list_t *cb_list, int error) +{ + dmu_tx_callback_t *dcb; + + while ((dcb = list_head(cb_list))) { + list_remove(cb_list, dcb); + dcb->dcb_func(dcb->dcb_data, error); + kmem_free(dcb, sizeof (dmu_tx_callback_t)); + } +} + +/* + * Interface to hold a bunch of attributes. + * used for creating new files. + * attrsize is the total size of all attributes + * to be added during object creation + * + * For updating/adding a single attribute dmu_tx_hold_sa() should be used. + */ + +/* + * hold necessary attribute name for attribute registration. + * should be a very rare case where this is needed. If it does + * happen it would only happen on the first write to the file system. + */ +static void +dmu_tx_sa_registration_hold(sa_os_t *sa, dmu_tx_t *tx) +{ + int i; + + if (!sa->sa_need_attr_registration) + return; + + for (i = 0; i != sa->sa_num_attrs; i++) { + if (!sa->sa_attr_table[i].sa_registered) { + if (sa->sa_reg_attr_obj) + dmu_tx_hold_zap(tx, sa->sa_reg_attr_obj, + B_TRUE, sa->sa_attr_table[i].sa_name); + else + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, + B_TRUE, sa->sa_attr_table[i].sa_name); + } + } +} + + +void +dmu_tx_hold_spill(dmu_tx_t *tx, uint64_t object) +{ + dnode_t *dn; + dmu_tx_hold_t *txh; + + txh = dmu_tx_hold_object_impl(tx, tx->tx_objset, object, + THT_SPILL, 0, 0); + if (txh == NULL) + return; + + dn = txh->txh_dnode; + + if (dn == NULL) + return; + + /* If blkptr doesn't exist then add space to towrite */ + if (!(dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR)) { + txh->txh_space_towrite += SPA_OLD_MAXBLOCKSIZE; + } else { + blkptr_t *bp; + + bp = &dn->dn_phys->dn_spill; + if (dsl_dataset_block_freeable(dn->dn_objset->os_dsl_dataset, + bp, bp->blk_birth)) + txh->txh_space_tooverwrite += SPA_OLD_MAXBLOCKSIZE; + else + txh->txh_space_towrite += SPA_OLD_MAXBLOCKSIZE; + if (!BP_IS_HOLE(bp)) + txh->txh_space_tounref += SPA_OLD_MAXBLOCKSIZE; + } +} + +void +dmu_tx_hold_sa_create(dmu_tx_t *tx, int attrsize) +{ + sa_os_t *sa = tx->tx_objset->os_sa; + + dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); + + if (tx->tx_objset->os_sa->sa_master_obj == 0) + return; + + if (tx->tx_objset->os_sa->sa_layout_attr_obj) + dmu_tx_hold_zap(tx, sa->sa_layout_attr_obj, B_TRUE, NULL); + else { + dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_LAYOUTS); + dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_REGISTRY); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); + } + + dmu_tx_sa_registration_hold(sa, tx); + + if (attrsize <= DN_MAX_BONUSLEN && !sa->sa_force_spill) + return; + + (void) dmu_tx_hold_object_impl(tx, tx->tx_objset, DMU_NEW_OBJECT, + THT_SPILL, 0, 0); +} + +/* + * Hold SA attribute + * + * dmu_tx_hold_sa(dmu_tx_t *tx, sa_handle_t *, attribute, add, size) + * + * variable_size is the total size of all variable sized attributes + * passed to this function. It is not the total size of all + * variable size attributes that *may* exist on this object. + */ +void +dmu_tx_hold_sa(dmu_tx_t *tx, sa_handle_t *hdl, boolean_t may_grow) +{ + uint64_t object; + sa_os_t *sa = tx->tx_objset->os_sa; + + ASSERT(hdl != NULL); + + object = sa_handle_object(hdl); + + dmu_tx_hold_bonus(tx, object); + + if (tx->tx_objset->os_sa->sa_master_obj == 0) + return; + + if (tx->tx_objset->os_sa->sa_reg_attr_obj == 0 || + tx->tx_objset->os_sa->sa_layout_attr_obj == 0) { + dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_LAYOUTS); + dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_REGISTRY); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); + } + + dmu_tx_sa_registration_hold(sa, tx); + + if (may_grow && tx->tx_objset->os_sa->sa_layout_attr_obj) + dmu_tx_hold_zap(tx, sa->sa_layout_attr_obj, B_TRUE, NULL); + + if (sa->sa_force_spill || may_grow || hdl->sa_spill) { + ASSERT(tx->tx_txg == 0); + dmu_tx_hold_spill(tx, object); + } else { + dmu_buf_impl_t *db = (dmu_buf_impl_t *)hdl->sa_bonus; + dnode_t *dn; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + if (dn->dn_have_spill) { + ASSERT(tx->tx_txg == 0); + dmu_tx_hold_spill(tx, object); + } + DB_DNODE_EXIT(db); + } +} + +void +dmu_tx_init(void) +{ + dmu_tx_ksp = kstat_create("zfs", 0, "dmu_tx", "misc", + KSTAT_TYPE_NAMED, sizeof (dmu_tx_stats) / sizeof (kstat_named_t), + KSTAT_FLAG_VIRTUAL); + + if (dmu_tx_ksp != NULL) { + dmu_tx_ksp->ks_data = &dmu_tx_stats; + kstat_install(dmu_tx_ksp); + } +} + +void +dmu_tx_fini(void) +{ + if (dmu_tx_ksp != NULL) { + kstat_delete(dmu_tx_ksp); + dmu_tx_ksp = NULL; + } +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dmu_tx_create); +EXPORT_SYMBOL(dmu_tx_hold_write); +EXPORT_SYMBOL(dmu_tx_hold_free); +EXPORT_SYMBOL(dmu_tx_hold_zap); +EXPORT_SYMBOL(dmu_tx_hold_bonus); +EXPORT_SYMBOL(dmu_tx_abort); +EXPORT_SYMBOL(dmu_tx_assign); +EXPORT_SYMBOL(dmu_tx_wait); +EXPORT_SYMBOL(dmu_tx_commit); +EXPORT_SYMBOL(dmu_tx_get_txg); +EXPORT_SYMBOL(dmu_tx_callback_register); +EXPORT_SYMBOL(dmu_tx_do_callbacks); +EXPORT_SYMBOL(dmu_tx_hold_spill); +EXPORT_SYMBOL(dmu_tx_hold_sa_create); +EXPORT_SYMBOL(dmu_tx_hold_sa); +#endif diff --git a/zfs/module/zfs/dmu_zfetch.c b/zfs/module/zfs/dmu_zfetch.c new file mode 100644 index 000000000000..8ff2f0509787 --- /dev/null +++ b/zfs/module/zfs/dmu_zfetch.c @@ -0,0 +1,748 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include + +/* + * I'm against tune-ables, but these should probably exist as tweakable globals + * until we can get this working the way we want it to. + */ + +int zfs_prefetch_disable = 0; + +/* max # of streams per zfetch */ +unsigned int zfetch_max_streams = 8; +/* min time before stream reclaim */ +unsigned int zfetch_min_sec_reap = 2; +/* max number of blocks to fetch at a time */ +unsigned int zfetch_block_cap = 256; +/* number of bytes in a array_read at which we stop prefetching (1Mb) */ +unsigned long zfetch_array_rd_sz = 1024 * 1024; + +/* forward decls for static routines */ +static boolean_t dmu_zfetch_colinear(zfetch_t *, zstream_t *); +static void dmu_zfetch_dofetch(zfetch_t *, zstream_t *); +static uint64_t dmu_zfetch_fetch(dnode_t *, uint64_t, uint64_t); +static uint64_t dmu_zfetch_fetchsz(dnode_t *, uint64_t, uint64_t); +static boolean_t dmu_zfetch_find(zfetch_t *, zstream_t *, int); +static int dmu_zfetch_stream_insert(zfetch_t *, zstream_t *); +static zstream_t *dmu_zfetch_stream_reclaim(zfetch_t *); +static void dmu_zfetch_stream_remove(zfetch_t *, zstream_t *); +static int dmu_zfetch_streams_equal(zstream_t *, zstream_t *); + +typedef struct zfetch_stats { + kstat_named_t zfetchstat_hits; + kstat_named_t zfetchstat_misses; + kstat_named_t zfetchstat_colinear_hits; + kstat_named_t zfetchstat_colinear_misses; + kstat_named_t zfetchstat_stride_hits; + kstat_named_t zfetchstat_stride_misses; + kstat_named_t zfetchstat_reclaim_successes; + kstat_named_t zfetchstat_reclaim_failures; + kstat_named_t zfetchstat_stream_resets; + kstat_named_t zfetchstat_stream_noresets; + kstat_named_t zfetchstat_bogus_streams; +} zfetch_stats_t; + +static zfetch_stats_t zfetch_stats = { + { "hits", KSTAT_DATA_UINT64 }, + { "misses", KSTAT_DATA_UINT64 }, + { "colinear_hits", KSTAT_DATA_UINT64 }, + { "colinear_misses", KSTAT_DATA_UINT64 }, + { "stride_hits", KSTAT_DATA_UINT64 }, + { "stride_misses", KSTAT_DATA_UINT64 }, + { "reclaim_successes", KSTAT_DATA_UINT64 }, + { "reclaim_failures", KSTAT_DATA_UINT64 }, + { "streams_resets", KSTAT_DATA_UINT64 }, + { "streams_noresets", KSTAT_DATA_UINT64 }, + { "bogus_streams", KSTAT_DATA_UINT64 }, +}; + +#define ZFETCHSTAT_INCR(stat, val) \ + atomic_add_64(&zfetch_stats.stat.value.ui64, (val)); + +#define ZFETCHSTAT_BUMP(stat) ZFETCHSTAT_INCR(stat, 1); + +kstat_t *zfetch_ksp; + +/* + * Given a zfetch structure and a zstream structure, determine whether the + * blocks to be read are part of a co-linear pair of existing prefetch + * streams. If a set is found, coalesce the streams, removing one, and + * configure the prefetch so it looks for a strided access pattern. + * + * In other words: if we find two sequential access streams that are + * the same length and distance N appart, and this read is N from the + * last stream, then we are probably in a strided access pattern. So + * combine the two sequential streams into a single strided stream. + * + * Returns whether co-linear streams were found. + */ +static boolean_t +dmu_zfetch_colinear(zfetch_t *zf, zstream_t *zh) +{ + zstream_t *z_walk; + zstream_t *z_comp; + + if (! rw_tryenter(&zf->zf_rwlock, RW_WRITER)) + return (0); + + if (zh == NULL) { + rw_exit(&zf->zf_rwlock); + return (0); + } + + for (z_walk = list_head(&zf->zf_stream); z_walk; + z_walk = list_next(&zf->zf_stream, z_walk)) { + for (z_comp = list_next(&zf->zf_stream, z_walk); z_comp; + z_comp = list_next(&zf->zf_stream, z_comp)) { + int64_t diff; + + if (z_walk->zst_len != z_walk->zst_stride || + z_comp->zst_len != z_comp->zst_stride) { + continue; + } + + diff = z_comp->zst_offset - z_walk->zst_offset; + if (z_comp->zst_offset + diff == zh->zst_offset) { + z_walk->zst_offset = zh->zst_offset; + z_walk->zst_direction = diff < 0 ? + ZFETCH_BACKWARD : ZFETCH_FORWARD; + z_walk->zst_stride = + diff * z_walk->zst_direction; + z_walk->zst_ph_offset = + zh->zst_offset + z_walk->zst_stride; + dmu_zfetch_stream_remove(zf, z_comp); + mutex_destroy(&z_comp->zst_lock); + kmem_free(z_comp, sizeof (zstream_t)); + + dmu_zfetch_dofetch(zf, z_walk); + + rw_exit(&zf->zf_rwlock); + return (1); + } + + diff = z_walk->zst_offset - z_comp->zst_offset; + if (z_walk->zst_offset + diff == zh->zst_offset) { + z_walk->zst_offset = zh->zst_offset; + z_walk->zst_direction = diff < 0 ? + ZFETCH_BACKWARD : ZFETCH_FORWARD; + z_walk->zst_stride = + diff * z_walk->zst_direction; + z_walk->zst_ph_offset = + zh->zst_offset + z_walk->zst_stride; + dmu_zfetch_stream_remove(zf, z_comp); + mutex_destroy(&z_comp->zst_lock); + kmem_free(z_comp, sizeof (zstream_t)); + + dmu_zfetch_dofetch(zf, z_walk); + + rw_exit(&zf->zf_rwlock); + return (1); + } + } + } + + rw_exit(&zf->zf_rwlock); + return (0); +} + +/* + * Given a zstream_t, determine the bounds of the prefetch. Then call the + * routine that actually prefetches the individual blocks. + */ +static void +dmu_zfetch_dofetch(zfetch_t *zf, zstream_t *zs) +{ + uint64_t prefetch_tail; + uint64_t prefetch_limit; + uint64_t prefetch_ofst; + uint64_t prefetch_len; + uint64_t blocks_fetched; + + zs->zst_stride = MAX((int64_t)zs->zst_stride, zs->zst_len); + zs->zst_cap = MIN(zfetch_block_cap, 2 * zs->zst_cap); + + prefetch_tail = MAX((int64_t)zs->zst_ph_offset, + (int64_t)(zs->zst_offset + zs->zst_stride)); + /* + * XXX: use a faster division method? + */ + prefetch_limit = zs->zst_offset + zs->zst_len + + (zs->zst_cap * zs->zst_stride) / zs->zst_len; + + while (prefetch_tail < prefetch_limit) { + prefetch_ofst = zs->zst_offset + zs->zst_direction * + (prefetch_tail - zs->zst_offset); + + prefetch_len = zs->zst_len; + + /* + * Don't prefetch beyond the end of the file, if working + * backwards. + */ + if ((zs->zst_direction == ZFETCH_BACKWARD) && + (prefetch_ofst > prefetch_tail)) { + prefetch_len += prefetch_ofst; + prefetch_ofst = 0; + } + + /* don't prefetch more than we're supposed to */ + if (prefetch_len > zs->zst_len) + break; + + blocks_fetched = dmu_zfetch_fetch(zf->zf_dnode, + prefetch_ofst, zs->zst_len); + + prefetch_tail += zs->zst_stride; + /* stop if we've run out of stuff to prefetch */ + if (blocks_fetched < zs->zst_len) + break; + } + zs->zst_ph_offset = prefetch_tail; + zs->zst_last = ddi_get_lbolt(); +} + +void +zfetch_init(void) +{ + + zfetch_ksp = kstat_create("zfs", 0, "zfetchstats", "misc", + KSTAT_TYPE_NAMED, sizeof (zfetch_stats) / sizeof (kstat_named_t), + KSTAT_FLAG_VIRTUAL); + + if (zfetch_ksp != NULL) { + zfetch_ksp->ks_data = &zfetch_stats; + kstat_install(zfetch_ksp); + } +} + +void +zfetch_fini(void) +{ + if (zfetch_ksp != NULL) { + kstat_delete(zfetch_ksp); + zfetch_ksp = NULL; + } +} + +/* + * This takes a pointer to a zfetch structure and a dnode. It performs the + * necessary setup for the zfetch structure, grokking data from the + * associated dnode. + */ +void +dmu_zfetch_init(zfetch_t *zf, dnode_t *dno) +{ + if (zf == NULL) { + return; + } + + zf->zf_dnode = dno; + zf->zf_stream_cnt = 0; + zf->zf_alloc_fail = 0; + + list_create(&zf->zf_stream, sizeof (zstream_t), + offsetof(zstream_t, zst_node)); + + rw_init(&zf->zf_rwlock, NULL, RW_DEFAULT, NULL); +} + +/* + * This function computes the actual size, in blocks, that can be prefetched, + * and fetches it. + */ +static uint64_t +dmu_zfetch_fetch(dnode_t *dn, uint64_t blkid, uint64_t nblks) +{ + uint64_t fetchsz; + uint64_t i; + + fetchsz = dmu_zfetch_fetchsz(dn, blkid, nblks); + + for (i = 0; i < fetchsz; i++) { + dbuf_prefetch(dn, blkid + i, ZIO_PRIORITY_ASYNC_READ); + } + + return (fetchsz); +} + +/* + * this function returns the number of blocks that would be prefetched, based + * upon the supplied dnode, blockid, and nblks. This is used so that we can + * update streams in place, and then prefetch with their old value after the + * fact. This way, we can delay the prefetch, but subsequent accesses to the + * stream won't result in the same data being prefetched multiple times. + */ +static uint64_t +dmu_zfetch_fetchsz(dnode_t *dn, uint64_t blkid, uint64_t nblks) +{ + uint64_t fetchsz; + + if (blkid > dn->dn_maxblkid) { + return (0); + } + + /* compute fetch size */ + if (blkid + nblks + 1 > dn->dn_maxblkid) { + fetchsz = (dn->dn_maxblkid - blkid) + 1; + ASSERT(blkid + fetchsz - 1 <= dn->dn_maxblkid); + } else { + fetchsz = nblks; + } + + + return (fetchsz); +} + +/* + * given a zfetch and a zstream structure, see if there is an associated zstream + * for this block read. If so, it starts a prefetch for the stream it + * located and returns true, otherwise it returns false + */ +static boolean_t +dmu_zfetch_find(zfetch_t *zf, zstream_t *zh, int prefetched) +{ + zstream_t *zs; + int64_t diff; + int reset = !prefetched; + int rc = 0; + + if (zh == NULL) + return (0); + + /* + * XXX: This locking strategy is a bit coarse; however, it's impact has + * yet to be tested. If this turns out to be an issue, it can be + * modified in a number of different ways. + */ + + rw_enter(&zf->zf_rwlock, RW_READER); +top: + + for (zs = list_head(&zf->zf_stream); zs; + zs = list_next(&zf->zf_stream, zs)) { + + /* + * XXX - should this be an assert? + */ + if (zs->zst_len == 0) { + /* bogus stream */ + ZFETCHSTAT_BUMP(zfetchstat_bogus_streams); + continue; + } + + /* + * We hit this case when we are in a strided prefetch stream: + * we will read "len" blocks before "striding". + */ + if (zh->zst_offset >= zs->zst_offset && + zh->zst_offset < zs->zst_offset + zs->zst_len) { + if (prefetched) { + /* already fetched */ + ZFETCHSTAT_BUMP(zfetchstat_stride_hits); + rc = 1; + goto out; + } else { + ZFETCHSTAT_BUMP(zfetchstat_stride_misses); + } + } + + /* + * This is the forward sequential read case: we increment + * len by one each time we hit here, so we will enter this + * case on every read. + */ + if (zh->zst_offset == zs->zst_offset + zs->zst_len) { + + reset = !prefetched && zs->zst_len > 1; + + mutex_enter(&zs->zst_lock); + + if (zh->zst_offset != zs->zst_offset + zs->zst_len) { + mutex_exit(&zs->zst_lock); + goto top; + } + zs->zst_len += zh->zst_len; + diff = zs->zst_len - zfetch_block_cap; + if (diff > 0) { + zs->zst_offset += diff; + zs->zst_len = zs->zst_len > diff ? + zs->zst_len - diff : 0; + } + zs->zst_direction = ZFETCH_FORWARD; + + break; + + /* + * Same as above, but reading backwards through the file. + */ + } else if (zh->zst_offset == zs->zst_offset - zh->zst_len) { + /* backwards sequential access */ + + reset = !prefetched && zs->zst_len > 1; + + mutex_enter(&zs->zst_lock); + + if (zh->zst_offset != zs->zst_offset - zh->zst_len) { + mutex_exit(&zs->zst_lock); + goto top; + } + + zs->zst_offset = zs->zst_offset > zh->zst_len ? + zs->zst_offset - zh->zst_len : 0; + zs->zst_ph_offset = zs->zst_ph_offset > zh->zst_len ? + zs->zst_ph_offset - zh->zst_len : 0; + zs->zst_len += zh->zst_len; + + diff = zs->zst_len - zfetch_block_cap; + if (diff > 0) { + zs->zst_ph_offset = zs->zst_ph_offset > diff ? + zs->zst_ph_offset - diff : 0; + zs->zst_len = zs->zst_len > diff ? + zs->zst_len - diff : zs->zst_len; + } + zs->zst_direction = ZFETCH_BACKWARD; + + break; + + } else if ((zh->zst_offset - zs->zst_offset - zs->zst_stride < + zs->zst_len) && (zs->zst_len != zs->zst_stride)) { + /* strided forward access */ + + mutex_enter(&zs->zst_lock); + + if ((zh->zst_offset - zs->zst_offset - zs->zst_stride >= + zs->zst_len) || (zs->zst_len == zs->zst_stride)) { + mutex_exit(&zs->zst_lock); + goto top; + } + + zs->zst_offset += zs->zst_stride; + zs->zst_direction = ZFETCH_FORWARD; + + break; + + } else if ((zh->zst_offset - zs->zst_offset + zs->zst_stride < + zs->zst_len) && (zs->zst_len != zs->zst_stride)) { + /* strided reverse access */ + + mutex_enter(&zs->zst_lock); + + if ((zh->zst_offset - zs->zst_offset + zs->zst_stride >= + zs->zst_len) || (zs->zst_len == zs->zst_stride)) { + mutex_exit(&zs->zst_lock); + goto top; + } + + zs->zst_offset = zs->zst_offset > zs->zst_stride ? + zs->zst_offset - zs->zst_stride : 0; + zs->zst_ph_offset = (zs->zst_ph_offset > + (2 * zs->zst_stride)) ? + (zs->zst_ph_offset - (2 * zs->zst_stride)) : 0; + zs->zst_direction = ZFETCH_BACKWARD; + + break; + } + } + + if (zs) { + if (reset) { + zstream_t *remove = zs; + + ZFETCHSTAT_BUMP(zfetchstat_stream_resets); + rc = 0; + mutex_exit(&zs->zst_lock); + rw_exit(&zf->zf_rwlock); + rw_enter(&zf->zf_rwlock, RW_WRITER); + /* + * Relocate the stream, in case someone removes + * it while we were acquiring the WRITER lock. + */ + for (zs = list_head(&zf->zf_stream); zs; + zs = list_next(&zf->zf_stream, zs)) { + if (zs == remove) { + dmu_zfetch_stream_remove(zf, zs); + mutex_destroy(&zs->zst_lock); + kmem_free(zs, sizeof (zstream_t)); + break; + } + } + } else { + ZFETCHSTAT_BUMP(zfetchstat_stream_noresets); + rc = 1; + dmu_zfetch_dofetch(zf, zs); + mutex_exit(&zs->zst_lock); + } + } +out: + rw_exit(&zf->zf_rwlock); + return (rc); +} + +/* + * Clean-up state associated with a zfetch structure. This frees allocated + * structure members, empties the zf_stream tree, and generally makes things + * nice. This doesn't free the zfetch_t itself, that's left to the caller. + */ +void +dmu_zfetch_rele(zfetch_t *zf) +{ + zstream_t *zs; + zstream_t *zs_next; + + ASSERT(!RW_LOCK_HELD(&zf->zf_rwlock)); + + for (zs = list_head(&zf->zf_stream); zs; zs = zs_next) { + zs_next = list_next(&zf->zf_stream, zs); + + list_remove(&zf->zf_stream, zs); + mutex_destroy(&zs->zst_lock); + kmem_free(zs, sizeof (zstream_t)); + } + list_destroy(&zf->zf_stream); + rw_destroy(&zf->zf_rwlock); + + zf->zf_dnode = NULL; +} + +/* + * Given a zfetch and zstream structure, insert the zstream structure into the + * AVL tree contained within the zfetch structure. Peform the appropriate + * book-keeping. It is possible that another thread has inserted a stream which + * matches one that we are about to insert, so we must be sure to check for this + * case. If one is found, return failure, and let the caller cleanup the + * duplicates. + */ +static int +dmu_zfetch_stream_insert(zfetch_t *zf, zstream_t *zs) +{ + zstream_t *zs_walk; + zstream_t *zs_next; + + ASSERT(RW_WRITE_HELD(&zf->zf_rwlock)); + + for (zs_walk = list_head(&zf->zf_stream); zs_walk; zs_walk = zs_next) { + zs_next = list_next(&zf->zf_stream, zs_walk); + + if (dmu_zfetch_streams_equal(zs_walk, zs)) { + return (0); + } + } + + list_insert_head(&zf->zf_stream, zs); + zf->zf_stream_cnt++; + return (1); +} + + +/* + * Walk the list of zstreams in the given zfetch, find an old one (by time), and + * reclaim it for use by the caller. + */ +static zstream_t * +dmu_zfetch_stream_reclaim(zfetch_t *zf) +{ + zstream_t *zs; + + if (! rw_tryenter(&zf->zf_rwlock, RW_WRITER)) + return (0); + + for (zs = list_head(&zf->zf_stream); zs; + zs = list_next(&zf->zf_stream, zs)) { + + if (((ddi_get_lbolt() - zs->zst_last)/hz) > zfetch_min_sec_reap) + break; + } + + if (zs) { + dmu_zfetch_stream_remove(zf, zs); + mutex_destroy(&zs->zst_lock); + bzero(zs, sizeof (zstream_t)); + } else { + zf->zf_alloc_fail++; + } + rw_exit(&zf->zf_rwlock); + + return (zs); +} + +/* + * Given a zfetch and zstream structure, remove the zstream structure from its + * container in the zfetch structure. Perform the appropriate book-keeping. + */ +static void +dmu_zfetch_stream_remove(zfetch_t *zf, zstream_t *zs) +{ + ASSERT(RW_WRITE_HELD(&zf->zf_rwlock)); + + list_remove(&zf->zf_stream, zs); + zf->zf_stream_cnt--; +} + +static int +dmu_zfetch_streams_equal(zstream_t *zs1, zstream_t *zs2) +{ + if (zs1->zst_offset != zs2->zst_offset) + return (0); + + if (zs1->zst_len != zs2->zst_len) + return (0); + + if (zs1->zst_stride != zs2->zst_stride) + return (0); + + if (zs1->zst_ph_offset != zs2->zst_ph_offset) + return (0); + + if (zs1->zst_cap != zs2->zst_cap) + return (0); + + if (zs1->zst_direction != zs2->zst_direction) + return (0); + + return (1); +} + +/* + * This is the prefetch entry point. It calls all of the other dmu_zfetch + * routines to create, delete, find, or operate upon prefetch streams. + */ +void +dmu_zfetch(zfetch_t *zf, uint64_t offset, uint64_t size, int prefetched) +{ + zstream_t zst; + zstream_t *newstream; + boolean_t fetched; + int inserted; + unsigned int blkshft; + uint64_t blksz; + + if (zfs_prefetch_disable) + return; + + /* files that aren't ln2 blocksz are only one block -- nothing to do */ + if (!zf->zf_dnode->dn_datablkshift) + return; + + /* convert offset and size, into blockid and nblocks */ + blkshft = zf->zf_dnode->dn_datablkshift; + blksz = (1 << blkshft); + + bzero(&zst, sizeof (zstream_t)); + zst.zst_offset = offset >> blkshft; + zst.zst_len = (P2ROUNDUP(offset + size, blksz) - + P2ALIGN(offset, blksz)) >> blkshft; + + fetched = dmu_zfetch_find(zf, &zst, prefetched); + if (fetched) { + ZFETCHSTAT_BUMP(zfetchstat_hits); + } else { + ZFETCHSTAT_BUMP(zfetchstat_misses); + if ((fetched = dmu_zfetch_colinear(zf, &zst))) { + ZFETCHSTAT_BUMP(zfetchstat_colinear_hits); + } else { + ZFETCHSTAT_BUMP(zfetchstat_colinear_misses); + } + } + + if (!fetched) { + newstream = dmu_zfetch_stream_reclaim(zf); + + /* + * we still couldn't find a stream, drop the lock, and allocate + * one if possible. Otherwise, give up and go home. + */ + if (newstream) { + ZFETCHSTAT_BUMP(zfetchstat_reclaim_successes); + } else { + uint64_t maxblocks; + uint32_t max_streams; + uint32_t cur_streams; + + ZFETCHSTAT_BUMP(zfetchstat_reclaim_failures); + cur_streams = zf->zf_stream_cnt; + maxblocks = zf->zf_dnode->dn_maxblkid; + + max_streams = MIN(zfetch_max_streams, + (maxblocks / zfetch_block_cap)); + if (max_streams == 0) { + max_streams++; + } + + if (cur_streams >= max_streams) { + return; + } + newstream = + kmem_zalloc(sizeof (zstream_t), KM_SLEEP); + } + + newstream->zst_offset = zst.zst_offset; + newstream->zst_len = zst.zst_len; + newstream->zst_stride = zst.zst_len; + newstream->zst_ph_offset = zst.zst_len + zst.zst_offset; + newstream->zst_cap = zst.zst_len; + newstream->zst_direction = ZFETCH_FORWARD; + newstream->zst_last = ddi_get_lbolt(); + + mutex_init(&newstream->zst_lock, NULL, MUTEX_DEFAULT, NULL); + + rw_enter(&zf->zf_rwlock, RW_WRITER); + inserted = dmu_zfetch_stream_insert(zf, newstream); + rw_exit(&zf->zf_rwlock); + + if (!inserted) { + mutex_destroy(&newstream->zst_lock); + kmem_free(newstream, sizeof (zstream_t)); + } + } +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_prefetch_disable, int, 0644); +MODULE_PARM_DESC(zfs_prefetch_disable, "Disable all ZFS prefetching"); + +module_param(zfetch_max_streams, uint, 0644); +MODULE_PARM_DESC(zfetch_max_streams, "Max number of streams per zfetch"); + +module_param(zfetch_min_sec_reap, uint, 0644); +MODULE_PARM_DESC(zfetch_min_sec_reap, "Min time before stream reclaim"); + +module_param(zfetch_block_cap, uint, 0644); +MODULE_PARM_DESC(zfetch_block_cap, "Max number of blocks to fetch at a time"); + +module_param(zfetch_array_rd_sz, ulong, 0644); +MODULE_PARM_DESC(zfetch_array_rd_sz, "Number of bytes in a array_read"); +#endif diff --git a/zfs/module/zfs/dnode.c b/zfs/module/zfs/dnode.c new file mode 100644 index 000000000000..2858bbfb492e --- /dev/null +++ b/zfs/module/zfs/dnode.c @@ -0,0 +1,2044 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2015 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static kmem_cache_t *dnode_cache; +/* + * Define DNODE_STATS to turn on statistic gathering. By default, it is only + * turned on when DEBUG is also defined. + */ +#ifdef DEBUG +#define DNODE_STATS +#endif /* DEBUG */ + +#ifdef DNODE_STATS +#define DNODE_STAT_ADD(stat) ((stat)++) +#else +#define DNODE_STAT_ADD(stat) /* nothing */ +#endif /* DNODE_STATS */ + +ASSERTV(static dnode_phys_t dnode_phys_zero); + +int zfs_default_bs = SPA_MINBLOCKSHIFT; +int zfs_default_ibs = DN_MAX_INDBLKSHIFT; + +#ifdef _KERNEL +static kmem_cbrc_t dnode_move(void *, void *, size_t, void *); +#endif /* _KERNEL */ + +static int +dbuf_compare(const void *x1, const void *x2) +{ + const dmu_buf_impl_t *d1 = x1; + const dmu_buf_impl_t *d2 = x2; + + if (d1->db_level < d2->db_level) { + return (-1); + } + if (d1->db_level > d2->db_level) { + return (1); + } + + if (d1->db_blkid < d2->db_blkid) { + return (-1); + } + if (d1->db_blkid > d2->db_blkid) { + return (1); + } + + if (d1->db_state == DB_SEARCH) { + ASSERT3S(d2->db_state, !=, DB_SEARCH); + return (-1); + } else if (d2->db_state == DB_SEARCH) { + ASSERT3S(d1->db_state, !=, DB_SEARCH); + return (1); + } + + if ((uintptr_t)d1 < (uintptr_t)d2) { + return (-1); + } + if ((uintptr_t)d1 > (uintptr_t)d2) { + return (1); + } + return (0); +} + +/* ARGSUSED */ +static int +dnode_cons(void *arg, void *unused, int kmflag) +{ + dnode_t *dn = arg; + int i; + + rw_init(&dn->dn_struct_rwlock, NULL, RW_DEFAULT, NULL); + mutex_init(&dn->dn_mtx, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&dn->dn_dbufs_mtx, NULL, MUTEX_DEFAULT, NULL); + cv_init(&dn->dn_notxholds, NULL, CV_DEFAULT, NULL); + + /* + * Every dbuf has a reference, and dropping a tracked reference is + * O(number of references), so don't track dn_holds. + */ + refcount_create_untracked(&dn->dn_holds); + refcount_create(&dn->dn_tx_holds); + list_link_init(&dn->dn_link); + + bzero(&dn->dn_next_nblkptr[0], sizeof (dn->dn_next_nblkptr)); + bzero(&dn->dn_next_nlevels[0], sizeof (dn->dn_next_nlevels)); + bzero(&dn->dn_next_indblkshift[0], sizeof (dn->dn_next_indblkshift)); + bzero(&dn->dn_next_bonustype[0], sizeof (dn->dn_next_bonustype)); + bzero(&dn->dn_rm_spillblk[0], sizeof (dn->dn_rm_spillblk)); + bzero(&dn->dn_next_bonuslen[0], sizeof (dn->dn_next_bonuslen)); + bzero(&dn->dn_next_blksz[0], sizeof (dn->dn_next_blksz)); + + for (i = 0; i < TXG_SIZE; i++) { + list_link_init(&dn->dn_dirty_link[i]); + dn->dn_free_ranges[i] = NULL; + list_create(&dn->dn_dirty_records[i], + sizeof (dbuf_dirty_record_t), + offsetof(dbuf_dirty_record_t, dr_dirty_node)); + } + + dn->dn_allocated_txg = 0; + dn->dn_free_txg = 0; + dn->dn_assigned_txg = 0; + dn->dn_dirtyctx = 0; + dn->dn_dirtyctx_firstset = NULL; + dn->dn_bonus = NULL; + dn->dn_have_spill = B_FALSE; + dn->dn_zio = NULL; + dn->dn_oldused = 0; + dn->dn_oldflags = 0; + dn->dn_olduid = 0; + dn->dn_oldgid = 0; + dn->dn_newuid = 0; + dn->dn_newgid = 0; + dn->dn_id_flags = 0; + + dn->dn_dbufs_count = 0; + dn->dn_unlisted_l0_blkid = 0; + avl_create(&dn->dn_dbufs, dbuf_compare, sizeof (dmu_buf_impl_t), + offsetof(dmu_buf_impl_t, db_link)); + + dn->dn_moved = 0; + return (0); +} + +/* ARGSUSED */ +static void +dnode_dest(void *arg, void *unused) +{ + int i; + dnode_t *dn = arg; + + rw_destroy(&dn->dn_struct_rwlock); + mutex_destroy(&dn->dn_mtx); + mutex_destroy(&dn->dn_dbufs_mtx); + cv_destroy(&dn->dn_notxholds); + refcount_destroy(&dn->dn_holds); + refcount_destroy(&dn->dn_tx_holds); + ASSERT(!list_link_active(&dn->dn_link)); + + for (i = 0; i < TXG_SIZE; i++) { + ASSERT(!list_link_active(&dn->dn_dirty_link[i])); + ASSERT3P(dn->dn_free_ranges[i], ==, NULL); + list_destroy(&dn->dn_dirty_records[i]); + ASSERT0(dn->dn_next_nblkptr[i]); + ASSERT0(dn->dn_next_nlevels[i]); + ASSERT0(dn->dn_next_indblkshift[i]); + ASSERT0(dn->dn_next_bonustype[i]); + ASSERT0(dn->dn_rm_spillblk[i]); + ASSERT0(dn->dn_next_bonuslen[i]); + ASSERT0(dn->dn_next_blksz[i]); + } + + ASSERT0(dn->dn_allocated_txg); + ASSERT0(dn->dn_free_txg); + ASSERT0(dn->dn_assigned_txg); + ASSERT0(dn->dn_dirtyctx); + ASSERT3P(dn->dn_dirtyctx_firstset, ==, NULL); + ASSERT3P(dn->dn_bonus, ==, NULL); + ASSERT(!dn->dn_have_spill); + ASSERT3P(dn->dn_zio, ==, NULL); + ASSERT0(dn->dn_oldused); + ASSERT0(dn->dn_oldflags); + ASSERT0(dn->dn_olduid); + ASSERT0(dn->dn_oldgid); + ASSERT0(dn->dn_newuid); + ASSERT0(dn->dn_newgid); + ASSERT0(dn->dn_id_flags); + + ASSERT0(dn->dn_dbufs_count); + ASSERT0(dn->dn_unlisted_l0_blkid); + avl_destroy(&dn->dn_dbufs); +} + +void +dnode_init(void) +{ + ASSERT(dnode_cache == NULL); + dnode_cache = kmem_cache_create("dnode_t", sizeof (dnode_t), + 0, dnode_cons, dnode_dest, NULL, NULL, NULL, 0); + kmem_cache_set_move(dnode_cache, dnode_move); +} + +void +dnode_fini(void) +{ + kmem_cache_destroy(dnode_cache); + dnode_cache = NULL; +} + + +#ifdef ZFS_DEBUG +void +dnode_verify(dnode_t *dn) +{ + int drop_struct_lock = FALSE; + + ASSERT(dn->dn_phys); + ASSERT(dn->dn_objset); + ASSERT(dn->dn_handle->dnh_dnode == dn); + + ASSERT(DMU_OT_IS_VALID(dn->dn_phys->dn_type)); + + if (!(zfs_flags & ZFS_DEBUG_DNODE_VERIFY)) + return; + + if (!RW_WRITE_HELD(&dn->dn_struct_rwlock)) { + rw_enter(&dn->dn_struct_rwlock, RW_READER); + drop_struct_lock = TRUE; + } + if (dn->dn_phys->dn_type != DMU_OT_NONE || dn->dn_allocated_txg != 0) { + int i; + ASSERT3U(dn->dn_indblkshift, <=, SPA_MAXBLOCKSHIFT); + if (dn->dn_datablkshift) { + ASSERT3U(dn->dn_datablkshift, >=, SPA_MINBLOCKSHIFT); + ASSERT3U(dn->dn_datablkshift, <=, SPA_MAXBLOCKSHIFT); + ASSERT3U(1<dn_datablkshift, ==, dn->dn_datablksz); + } + ASSERT3U(dn->dn_nlevels, <=, 30); + ASSERT(DMU_OT_IS_VALID(dn->dn_type)); + ASSERT3U(dn->dn_nblkptr, >=, 1); + ASSERT3U(dn->dn_nblkptr, <=, DN_MAX_NBLKPTR); + ASSERT3U(dn->dn_bonuslen, <=, DN_MAX_BONUSLEN); + ASSERT3U(dn->dn_datablksz, ==, + dn->dn_datablkszsec << SPA_MINBLOCKSHIFT); + ASSERT3U(ISP2(dn->dn_datablksz), ==, dn->dn_datablkshift != 0); + ASSERT3U((dn->dn_nblkptr - 1) * sizeof (blkptr_t) + + dn->dn_bonuslen, <=, DN_MAX_BONUSLEN); + for (i = 0; i < TXG_SIZE; i++) { + ASSERT3U(dn->dn_next_nlevels[i], <=, dn->dn_nlevels); + } + } + if (dn->dn_phys->dn_type != DMU_OT_NONE) + ASSERT3U(dn->dn_phys->dn_nlevels, <=, dn->dn_nlevels); + ASSERT(DMU_OBJECT_IS_SPECIAL(dn->dn_object) || dn->dn_dbuf != NULL); + if (dn->dn_dbuf != NULL) { + ASSERT3P(dn->dn_phys, ==, + (dnode_phys_t *)dn->dn_dbuf->db.db_data + + (dn->dn_object % (dn->dn_dbuf->db.db_size >> DNODE_SHIFT))); + } + if (drop_struct_lock) + rw_exit(&dn->dn_struct_rwlock); +} +#endif + +void +dnode_byteswap(dnode_phys_t *dnp) +{ + uint64_t *buf64 = (void*)&dnp->dn_blkptr; + int i; + + if (dnp->dn_type == DMU_OT_NONE) { + bzero(dnp, sizeof (dnode_phys_t)); + return; + } + + dnp->dn_datablkszsec = BSWAP_16(dnp->dn_datablkszsec); + dnp->dn_bonuslen = BSWAP_16(dnp->dn_bonuslen); + dnp->dn_maxblkid = BSWAP_64(dnp->dn_maxblkid); + dnp->dn_used = BSWAP_64(dnp->dn_used); + + /* + * dn_nblkptr is only one byte, so it's OK to read it in either + * byte order. We can't read dn_bouslen. + */ + ASSERT(dnp->dn_indblkshift <= SPA_MAXBLOCKSHIFT); + ASSERT(dnp->dn_nblkptr <= DN_MAX_NBLKPTR); + for (i = 0; i < dnp->dn_nblkptr * sizeof (blkptr_t)/8; i++) + buf64[i] = BSWAP_64(buf64[i]); + + /* + * OK to check dn_bonuslen for zero, because it won't matter if + * we have the wrong byte order. This is necessary because the + * dnode dnode is smaller than a regular dnode. + */ + if (dnp->dn_bonuslen != 0) { + /* + * Note that the bonus length calculated here may be + * longer than the actual bonus buffer. This is because + * we always put the bonus buffer after the last block + * pointer (instead of packing it against the end of the + * dnode buffer). + */ + int off = (dnp->dn_nblkptr-1) * sizeof (blkptr_t); + size_t len = DN_MAX_BONUSLEN - off; + dmu_object_byteswap_t byteswap; + ASSERT(DMU_OT_IS_VALID(dnp->dn_bonustype)); + byteswap = DMU_OT_BYTESWAP(dnp->dn_bonustype); + dmu_ot_byteswap[byteswap].ob_func(dnp->dn_bonus + off, len); + } + + /* Swap SPILL block if we have one */ + if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) + byteswap_uint64_array(&dnp->dn_spill, sizeof (blkptr_t)); + +} + +void +dnode_buf_byteswap(void *vbuf, size_t size) +{ + dnode_phys_t *buf = vbuf; + int i; + + ASSERT3U(sizeof (dnode_phys_t), ==, (1<>= DNODE_SHIFT; + for (i = 0; i < size; i++) { + dnode_byteswap(buf); + buf++; + } +} + +void +dnode_setbonuslen(dnode_t *dn, int newsize, dmu_tx_t *tx) +{ + ASSERT3U(refcount_count(&dn->dn_holds), >=, 1); + + dnode_setdirty(dn, tx); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + ASSERT3U(newsize, <=, DN_MAX_BONUSLEN - + (dn->dn_nblkptr-1) * sizeof (blkptr_t)); + dn->dn_bonuslen = newsize; + if (newsize == 0) + dn->dn_next_bonuslen[tx->tx_txg & TXG_MASK] = DN_ZERO_BONUSLEN; + else + dn->dn_next_bonuslen[tx->tx_txg & TXG_MASK] = dn->dn_bonuslen; + rw_exit(&dn->dn_struct_rwlock); +} + +void +dnode_setbonus_type(dnode_t *dn, dmu_object_type_t newtype, dmu_tx_t *tx) +{ + ASSERT3U(refcount_count(&dn->dn_holds), >=, 1); + dnode_setdirty(dn, tx); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + dn->dn_bonustype = newtype; + dn->dn_next_bonustype[tx->tx_txg & TXG_MASK] = dn->dn_bonustype; + rw_exit(&dn->dn_struct_rwlock); +} + +void +dnode_rm_spill(dnode_t *dn, dmu_tx_t *tx) +{ + ASSERT3U(refcount_count(&dn->dn_holds), >=, 1); + ASSERT(RW_WRITE_HELD(&dn->dn_struct_rwlock)); + dnode_setdirty(dn, tx); + dn->dn_rm_spillblk[tx->tx_txg&TXG_MASK] = DN_KILL_SPILLBLK; + dn->dn_have_spill = B_FALSE; +} + +static void +dnode_setdblksz(dnode_t *dn, int size) +{ + ASSERT0(P2PHASE(size, SPA_MINBLOCKSIZE)); + ASSERT3U(size, <=, SPA_MAXBLOCKSIZE); + ASSERT3U(size, >=, SPA_MINBLOCKSIZE); + ASSERT3U(size >> SPA_MINBLOCKSHIFT, <, + 1<<(sizeof (dn->dn_phys->dn_datablkszsec) * 8)); + dn->dn_datablksz = size; + dn->dn_datablkszsec = size >> SPA_MINBLOCKSHIFT; + dn->dn_datablkshift = ISP2(size) ? highbit64(size - 1) : 0; +} + +static dnode_t * +dnode_create(objset_t *os, dnode_phys_t *dnp, dmu_buf_impl_t *db, + uint64_t object, dnode_handle_t *dnh) +{ + dnode_t *dn; + + dn = kmem_cache_alloc(dnode_cache, KM_SLEEP); + ASSERT(!POINTER_IS_VALID(dn->dn_objset)); + dn->dn_moved = 0; + + /* + * Defer setting dn_objset until the dnode is ready to be a candidate + * for the dnode_move() callback. + */ + dn->dn_object = object; + dn->dn_dbuf = db; + dn->dn_handle = dnh; + dn->dn_phys = dnp; + + if (dnp->dn_datablkszsec) { + dnode_setdblksz(dn, dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); + } else { + dn->dn_datablksz = 0; + dn->dn_datablkszsec = 0; + dn->dn_datablkshift = 0; + } + dn->dn_indblkshift = dnp->dn_indblkshift; + dn->dn_nlevels = dnp->dn_nlevels; + dn->dn_type = dnp->dn_type; + dn->dn_nblkptr = dnp->dn_nblkptr; + dn->dn_checksum = dnp->dn_checksum; + dn->dn_compress = dnp->dn_compress; + dn->dn_bonustype = dnp->dn_bonustype; + dn->dn_bonuslen = dnp->dn_bonuslen; + dn->dn_maxblkid = dnp->dn_maxblkid; + dn->dn_have_spill = ((dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) != 0); + dn->dn_id_flags = 0; + + dmu_zfetch_init(&dn->dn_zfetch, dn); + + ASSERT(DMU_OT_IS_VALID(dn->dn_phys->dn_type)); + + mutex_enter(&os->os_lock); + if (dnh->dnh_dnode != NULL) { + /* Lost the allocation race. */ + mutex_exit(&os->os_lock); + kmem_cache_free(dnode_cache, dn); + return (dnh->dnh_dnode); + } + + /* + * Exclude special dnodes from os_dnodes so an empty os_dnodes + * signifies that the special dnodes have no references from + * their children (the entries in os_dnodes). This allows + * dnode_destroy() to easily determine if the last child has + * been removed and then complete eviction of the objset. + */ + if (!DMU_OBJECT_IS_SPECIAL(object)) + list_insert_head(&os->os_dnodes, dn); + membar_producer(); + + /* + * Everything else must be valid before assigning dn_objset + * makes the dnode eligible for dnode_move(). + */ + dn->dn_objset = os; + + dnh->dnh_dnode = dn; + mutex_exit(&os->os_lock); + + arc_space_consume(sizeof (dnode_t), ARC_SPACE_OTHER); + return (dn); +} + +/* + * Caller must be holding the dnode handle, which is released upon return. + */ +static void +dnode_destroy(dnode_t *dn) +{ + objset_t *os = dn->dn_objset; + boolean_t complete_os_eviction = B_FALSE; + + ASSERT((dn->dn_id_flags & DN_ID_NEW_EXIST) == 0); + + mutex_enter(&os->os_lock); + POINTER_INVALIDATE(&dn->dn_objset); + if (!DMU_OBJECT_IS_SPECIAL(dn->dn_object)) { + list_remove(&os->os_dnodes, dn); + complete_os_eviction = + list_is_empty(&os->os_dnodes) && + list_link_active(&os->os_evicting_node); + } + mutex_exit(&os->os_lock); + + /* the dnode can no longer move, so we can release the handle */ + zrl_remove(&dn->dn_handle->dnh_zrlock); + + dn->dn_allocated_txg = 0; + dn->dn_free_txg = 0; + dn->dn_assigned_txg = 0; + + dn->dn_dirtyctx = 0; + if (dn->dn_dirtyctx_firstset != NULL) { + kmem_free(dn->dn_dirtyctx_firstset, 1); + dn->dn_dirtyctx_firstset = NULL; + } + if (dn->dn_bonus != NULL) { + mutex_enter(&dn->dn_bonus->db_mtx); + dbuf_evict(dn->dn_bonus); + dn->dn_bonus = NULL; + } + dn->dn_zio = NULL; + + dn->dn_have_spill = B_FALSE; + dn->dn_oldused = 0; + dn->dn_oldflags = 0; + dn->dn_olduid = 0; + dn->dn_oldgid = 0; + dn->dn_newuid = 0; + dn->dn_newgid = 0; + dn->dn_id_flags = 0; + dn->dn_unlisted_l0_blkid = 0; + + dmu_zfetch_rele(&dn->dn_zfetch); + kmem_cache_free(dnode_cache, dn); + arc_space_return(sizeof (dnode_t), ARC_SPACE_OTHER); + + if (complete_os_eviction) + dmu_objset_evict_done(os); +} + +void +dnode_allocate(dnode_t *dn, dmu_object_type_t ot, int blocksize, int ibs, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + int i; + + ASSERT3U(blocksize, <=, + spa_maxblocksize(dmu_objset_spa(dn->dn_objset))); + if (blocksize == 0) + blocksize = 1 << zfs_default_bs; + else + blocksize = P2ROUNDUP(blocksize, SPA_MINBLOCKSIZE); + + if (ibs == 0) + ibs = zfs_default_ibs; + + ibs = MIN(MAX(ibs, DN_MIN_INDBLKSHIFT), DN_MAX_INDBLKSHIFT); + + dprintf("os=%p obj=%llu txg=%llu blocksize=%d ibs=%d\n", dn->dn_objset, + dn->dn_object, tx->tx_txg, blocksize, ibs); + + ASSERT(dn->dn_type == DMU_OT_NONE); + ASSERT(bcmp(dn->dn_phys, &dnode_phys_zero, sizeof (dnode_phys_t)) == 0); + ASSERT(dn->dn_phys->dn_type == DMU_OT_NONE); + ASSERT(ot != DMU_OT_NONE); + ASSERT(DMU_OT_IS_VALID(ot)); + ASSERT((bonustype == DMU_OT_NONE && bonuslen == 0) || + (bonustype == DMU_OT_SA && bonuslen == 0) || + (bonustype != DMU_OT_NONE && bonuslen != 0)); + ASSERT(DMU_OT_IS_VALID(bonustype)); + ASSERT3U(bonuslen, <=, DN_MAX_BONUSLEN); + ASSERT(dn->dn_type == DMU_OT_NONE); + ASSERT0(dn->dn_maxblkid); + ASSERT0(dn->dn_allocated_txg); + ASSERT0(dn->dn_assigned_txg); + ASSERT(refcount_is_zero(&dn->dn_tx_holds)); + ASSERT3U(refcount_count(&dn->dn_holds), <=, 1); + ASSERT(avl_is_empty(&dn->dn_dbufs)); + + for (i = 0; i < TXG_SIZE; i++) { + ASSERT0(dn->dn_next_nblkptr[i]); + ASSERT0(dn->dn_next_nlevels[i]); + ASSERT0(dn->dn_next_indblkshift[i]); + ASSERT0(dn->dn_next_bonuslen[i]); + ASSERT0(dn->dn_next_bonustype[i]); + ASSERT0(dn->dn_rm_spillblk[i]); + ASSERT0(dn->dn_next_blksz[i]); + ASSERT(!list_link_active(&dn->dn_dirty_link[i])); + ASSERT3P(list_head(&dn->dn_dirty_records[i]), ==, NULL); + ASSERT3P(dn->dn_free_ranges[i], ==, NULL); + } + + dn->dn_type = ot; + dnode_setdblksz(dn, blocksize); + dn->dn_indblkshift = ibs; + dn->dn_nlevels = 1; + if (bonustype == DMU_OT_SA) /* Maximize bonus space for SA */ + dn->dn_nblkptr = 1; + else + dn->dn_nblkptr = 1 + + ((DN_MAX_BONUSLEN - bonuslen) >> SPA_BLKPTRSHIFT); + dn->dn_bonustype = bonustype; + dn->dn_bonuslen = bonuslen; + dn->dn_checksum = ZIO_CHECKSUM_INHERIT; + dn->dn_compress = ZIO_COMPRESS_INHERIT; + dn->dn_dirtyctx = 0; + + dn->dn_free_txg = 0; + if (dn->dn_dirtyctx_firstset) { + kmem_free(dn->dn_dirtyctx_firstset, 1); + dn->dn_dirtyctx_firstset = NULL; + } + + dn->dn_allocated_txg = tx->tx_txg; + dn->dn_id_flags = 0; + + dnode_setdirty(dn, tx); + dn->dn_next_indblkshift[tx->tx_txg & TXG_MASK] = ibs; + dn->dn_next_bonuslen[tx->tx_txg & TXG_MASK] = dn->dn_bonuslen; + dn->dn_next_bonustype[tx->tx_txg & TXG_MASK] = dn->dn_bonustype; + dn->dn_next_blksz[tx->tx_txg & TXG_MASK] = dn->dn_datablksz; +} + +void +dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + int nblkptr; + + ASSERT3U(blocksize, >=, SPA_MINBLOCKSIZE); + ASSERT3U(blocksize, <=, + spa_maxblocksize(dmu_objset_spa(dn->dn_objset))); + ASSERT0(blocksize % SPA_MINBLOCKSIZE); + ASSERT(dn->dn_object != DMU_META_DNODE_OBJECT || dmu_tx_private_ok(tx)); + ASSERT(tx->tx_txg != 0); + ASSERT((bonustype == DMU_OT_NONE && bonuslen == 0) || + (bonustype != DMU_OT_NONE && bonuslen != 0) || + (bonustype == DMU_OT_SA && bonuslen == 0)); + ASSERT(DMU_OT_IS_VALID(bonustype)); + ASSERT3U(bonuslen, <=, DN_MAX_BONUSLEN); + + /* clean up any unreferenced dbufs */ + dnode_evict_dbufs(dn); + + dn->dn_id_flags = 0; + + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + dnode_setdirty(dn, tx); + if (dn->dn_datablksz != blocksize) { + /* change blocksize */ + ASSERT(dn->dn_maxblkid == 0 && + (BP_IS_HOLE(&dn->dn_phys->dn_blkptr[0]) || + dnode_block_freed(dn, 0))); + dnode_setdblksz(dn, blocksize); + dn->dn_next_blksz[tx->tx_txg&TXG_MASK] = blocksize; + } + if (dn->dn_bonuslen != bonuslen) + dn->dn_next_bonuslen[tx->tx_txg&TXG_MASK] = bonuslen; + + if (bonustype == DMU_OT_SA) /* Maximize bonus space for SA */ + nblkptr = 1; + else + nblkptr = 1 + ((DN_MAX_BONUSLEN - bonuslen) >> SPA_BLKPTRSHIFT); + if (dn->dn_bonustype != bonustype) + dn->dn_next_bonustype[tx->tx_txg&TXG_MASK] = bonustype; + if (dn->dn_nblkptr != nblkptr) + dn->dn_next_nblkptr[tx->tx_txg&TXG_MASK] = nblkptr; + if (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) { + dbuf_rm_spill(dn, tx); + dnode_rm_spill(dn, tx); + } + rw_exit(&dn->dn_struct_rwlock); + + /* change type */ + dn->dn_type = ot; + + /* change bonus size and type */ + mutex_enter(&dn->dn_mtx); + dn->dn_bonustype = bonustype; + dn->dn_bonuslen = bonuslen; + dn->dn_nblkptr = nblkptr; + dn->dn_checksum = ZIO_CHECKSUM_INHERIT; + dn->dn_compress = ZIO_COMPRESS_INHERIT; + ASSERT3U(dn->dn_nblkptr, <=, DN_MAX_NBLKPTR); + + /* fix up the bonus db_size */ + if (dn->dn_bonus) { + dn->dn_bonus->db.db_size = + DN_MAX_BONUSLEN - (dn->dn_nblkptr-1) * sizeof (blkptr_t); + ASSERT(dn->dn_bonuslen <= dn->dn_bonus->db.db_size); + } + + dn->dn_allocated_txg = tx->tx_txg; + mutex_exit(&dn->dn_mtx); +} + +#ifdef _KERNEL +#ifdef DNODE_STATS +static struct { + uint64_t dms_dnode_invalid; + uint64_t dms_dnode_recheck1; + uint64_t dms_dnode_recheck2; + uint64_t dms_dnode_special; + uint64_t dms_dnode_handle; + uint64_t dms_dnode_rwlock; + uint64_t dms_dnode_active; +} dnode_move_stats; +#endif /* DNODE_STATS */ + +static void +dnode_move_impl(dnode_t *odn, dnode_t *ndn) +{ + int i; + + ASSERT(!RW_LOCK_HELD(&odn->dn_struct_rwlock)); + ASSERT(MUTEX_NOT_HELD(&odn->dn_mtx)); + ASSERT(MUTEX_NOT_HELD(&odn->dn_dbufs_mtx)); + ASSERT(!RW_LOCK_HELD(&odn->dn_zfetch.zf_rwlock)); + + /* Copy fields. */ + ndn->dn_objset = odn->dn_objset; + ndn->dn_object = odn->dn_object; + ndn->dn_dbuf = odn->dn_dbuf; + ndn->dn_handle = odn->dn_handle; + ndn->dn_phys = odn->dn_phys; + ndn->dn_type = odn->dn_type; + ndn->dn_bonuslen = odn->dn_bonuslen; + ndn->dn_bonustype = odn->dn_bonustype; + ndn->dn_nblkptr = odn->dn_nblkptr; + ndn->dn_checksum = odn->dn_checksum; + ndn->dn_compress = odn->dn_compress; + ndn->dn_nlevels = odn->dn_nlevels; + ndn->dn_indblkshift = odn->dn_indblkshift; + ndn->dn_datablkshift = odn->dn_datablkshift; + ndn->dn_datablkszsec = odn->dn_datablkszsec; + ndn->dn_datablksz = odn->dn_datablksz; + ndn->dn_maxblkid = odn->dn_maxblkid; + bcopy(&odn->dn_next_nblkptr[0], &ndn->dn_next_nblkptr[0], + sizeof (odn->dn_next_nblkptr)); + bcopy(&odn->dn_next_nlevels[0], &ndn->dn_next_nlevels[0], + sizeof (odn->dn_next_nlevels)); + bcopy(&odn->dn_next_indblkshift[0], &ndn->dn_next_indblkshift[0], + sizeof (odn->dn_next_indblkshift)); + bcopy(&odn->dn_next_bonustype[0], &ndn->dn_next_bonustype[0], + sizeof (odn->dn_next_bonustype)); + bcopy(&odn->dn_rm_spillblk[0], &ndn->dn_rm_spillblk[0], + sizeof (odn->dn_rm_spillblk)); + bcopy(&odn->dn_next_bonuslen[0], &ndn->dn_next_bonuslen[0], + sizeof (odn->dn_next_bonuslen)); + bcopy(&odn->dn_next_blksz[0], &ndn->dn_next_blksz[0], + sizeof (odn->dn_next_blksz)); + for (i = 0; i < TXG_SIZE; i++) { + list_move_tail(&ndn->dn_dirty_records[i], + &odn->dn_dirty_records[i]); + } + bcopy(&odn->dn_free_ranges[0], &ndn->dn_free_ranges[0], + sizeof (odn->dn_free_ranges)); + ndn->dn_allocated_txg = odn->dn_allocated_txg; + ndn->dn_free_txg = odn->dn_free_txg; + ndn->dn_assigned_txg = odn->dn_assigned_txg; + ndn->dn_dirtyctx = odn->dn_dirtyctx; + ndn->dn_dirtyctx_firstset = odn->dn_dirtyctx_firstset; + ASSERT(refcount_count(&odn->dn_tx_holds) == 0); + refcount_transfer(&ndn->dn_holds, &odn->dn_holds); + ASSERT(avl_is_empty(&ndn->dn_dbufs)); + avl_swap(&ndn->dn_dbufs, &odn->dn_dbufs); + ndn->dn_dbufs_count = odn->dn_dbufs_count; + ndn->dn_unlisted_l0_blkid = odn->dn_unlisted_l0_blkid; + ndn->dn_bonus = odn->dn_bonus; + ndn->dn_have_spill = odn->dn_have_spill; + ndn->dn_zio = odn->dn_zio; + ndn->dn_oldused = odn->dn_oldused; + ndn->dn_oldflags = odn->dn_oldflags; + ndn->dn_olduid = odn->dn_olduid; + ndn->dn_oldgid = odn->dn_oldgid; + ndn->dn_newuid = odn->dn_newuid; + ndn->dn_newgid = odn->dn_newgid; + ndn->dn_id_flags = odn->dn_id_flags; + dmu_zfetch_init(&ndn->dn_zfetch, NULL); + list_move_tail(&ndn->dn_zfetch.zf_stream, &odn->dn_zfetch.zf_stream); + ndn->dn_zfetch.zf_dnode = odn->dn_zfetch.zf_dnode; + ndn->dn_zfetch.zf_stream_cnt = odn->dn_zfetch.zf_stream_cnt; + ndn->dn_zfetch.zf_alloc_fail = odn->dn_zfetch.zf_alloc_fail; + + /* + * Update back pointers. Updating the handle fixes the back pointer of + * every descendant dbuf as well as the bonus dbuf. + */ + ASSERT(ndn->dn_handle->dnh_dnode == odn); + ndn->dn_handle->dnh_dnode = ndn; + if (ndn->dn_zfetch.zf_dnode == odn) { + ndn->dn_zfetch.zf_dnode = ndn; + } + + /* + * Invalidate the original dnode by clearing all of its back pointers. + */ + odn->dn_dbuf = NULL; + odn->dn_handle = NULL; + avl_create(&odn->dn_dbufs, dbuf_compare, sizeof (dmu_buf_impl_t), + offsetof(dmu_buf_impl_t, db_link)); + odn->dn_dbufs_count = 0; + odn->dn_unlisted_l0_blkid = 0; + odn->dn_bonus = NULL; + odn->dn_zfetch.zf_dnode = NULL; + + /* + * Set the low bit of the objset pointer to ensure that dnode_move() + * recognizes the dnode as invalid in any subsequent callback. + */ + POINTER_INVALIDATE(&odn->dn_objset); + + /* + * Satisfy the destructor. + */ + for (i = 0; i < TXG_SIZE; i++) { + list_create(&odn->dn_dirty_records[i], + sizeof (dbuf_dirty_record_t), + offsetof(dbuf_dirty_record_t, dr_dirty_node)); + odn->dn_free_ranges[i] = NULL; + odn->dn_next_nlevels[i] = 0; + odn->dn_next_indblkshift[i] = 0; + odn->dn_next_bonustype[i] = 0; + odn->dn_rm_spillblk[i] = 0; + odn->dn_next_bonuslen[i] = 0; + odn->dn_next_blksz[i] = 0; + } + odn->dn_allocated_txg = 0; + odn->dn_free_txg = 0; + odn->dn_assigned_txg = 0; + odn->dn_dirtyctx = 0; + odn->dn_dirtyctx_firstset = NULL; + odn->dn_have_spill = B_FALSE; + odn->dn_zio = NULL; + odn->dn_oldused = 0; + odn->dn_oldflags = 0; + odn->dn_olduid = 0; + odn->dn_oldgid = 0; + odn->dn_newuid = 0; + odn->dn_newgid = 0; + odn->dn_id_flags = 0; + + /* + * Mark the dnode. + */ + ndn->dn_moved = 1; + odn->dn_moved = (uint8_t)-1; +} + +/*ARGSUSED*/ +static kmem_cbrc_t +dnode_move(void *buf, void *newbuf, size_t size, void *arg) +{ + dnode_t *odn = buf, *ndn = newbuf; + objset_t *os; + int64_t refcount; + uint32_t dbufs; + + /* + * The dnode is on the objset's list of known dnodes if the objset + * pointer is valid. We set the low bit of the objset pointer when + * freeing the dnode to invalidate it, and the memory patterns written + * by kmem (baddcafe and deadbeef) set at least one of the two low bits. + * A newly created dnode sets the objset pointer last of all to indicate + * that the dnode is known and in a valid state to be moved by this + * function. + */ + os = odn->dn_objset; + if (!POINTER_IS_VALID(os)) { + DNODE_STAT_ADD(dnode_move_stats.dms_dnode_invalid); + return (KMEM_CBRC_DONT_KNOW); + } + + /* + * Ensure that the objset does not go away during the move. + */ + rw_enter(&os_lock, RW_WRITER); + if (os != odn->dn_objset) { + rw_exit(&os_lock); + DNODE_STAT_ADD(dnode_move_stats.dms_dnode_recheck1); + return (KMEM_CBRC_DONT_KNOW); + } + + /* + * If the dnode is still valid, then so is the objset. We know that no + * valid objset can be freed while we hold os_lock, so we can safely + * ensure that the objset remains in use. + */ + mutex_enter(&os->os_lock); + + /* + * Recheck the objset pointer in case the dnode was removed just before + * acquiring the lock. + */ + if (os != odn->dn_objset) { + mutex_exit(&os->os_lock); + rw_exit(&os_lock); + DNODE_STAT_ADD(dnode_move_stats.dms_dnode_recheck2); + return (KMEM_CBRC_DONT_KNOW); + } + + /* + * At this point we know that as long as we hold os->os_lock, the dnode + * cannot be freed and fields within the dnode can be safely accessed. + * The objset listing this dnode cannot go away as long as this dnode is + * on its list. + */ + rw_exit(&os_lock); + if (DMU_OBJECT_IS_SPECIAL(odn->dn_object)) { + mutex_exit(&os->os_lock); + DNODE_STAT_ADD(dnode_move_stats.dms_dnode_special); + return (KMEM_CBRC_NO); + } + ASSERT(odn->dn_dbuf != NULL); /* only "special" dnodes have no parent */ + + /* + * Lock the dnode handle to prevent the dnode from obtaining any new + * holds. This also prevents the descendant dbufs and the bonus dbuf + * from accessing the dnode, so that we can discount their holds. The + * handle is safe to access because we know that while the dnode cannot + * go away, neither can its handle. Once we hold dnh_zrlock, we can + * safely move any dnode referenced only by dbufs. + */ + if (!zrl_tryenter(&odn->dn_handle->dnh_zrlock)) { + mutex_exit(&os->os_lock); + DNODE_STAT_ADD(dnode_move_stats.dms_dnode_handle); + return (KMEM_CBRC_LATER); + } + + /* + * Ensure a consistent view of the dnode's holds and the dnode's dbufs. + * We need to guarantee that there is a hold for every dbuf in order to + * determine whether the dnode is actively referenced. Falsely matching + * a dbuf to an active hold would lead to an unsafe move. It's possible + * that a thread already having an active dnode hold is about to add a + * dbuf, and we can't compare hold and dbuf counts while the add is in + * progress. + */ + if (!rw_tryenter(&odn->dn_struct_rwlock, RW_WRITER)) { + zrl_exit(&odn->dn_handle->dnh_zrlock); + mutex_exit(&os->os_lock); + DNODE_STAT_ADD(dnode_move_stats.dms_dnode_rwlock); + return (KMEM_CBRC_LATER); + } + + /* + * A dbuf may be removed (evicted) without an active dnode hold. In that + * case, the dbuf count is decremented under the handle lock before the + * dbuf's hold is released. This order ensures that if we count the hold + * after the dbuf is removed but before its hold is released, we will + * treat the unmatched hold as active and exit safely. If we count the + * hold before the dbuf is removed, the hold is discounted, and the + * removal is blocked until the move completes. + */ + refcount = refcount_count(&odn->dn_holds); + ASSERT(refcount >= 0); + dbufs = odn->dn_dbufs_count; + + /* We can't have more dbufs than dnode holds. */ + ASSERT3U(dbufs, <=, refcount); + DTRACE_PROBE3(dnode__move, dnode_t *, odn, int64_t, refcount, + uint32_t, dbufs); + + if (refcount > dbufs) { + rw_exit(&odn->dn_struct_rwlock); + zrl_exit(&odn->dn_handle->dnh_zrlock); + mutex_exit(&os->os_lock); + DNODE_STAT_ADD(dnode_move_stats.dms_dnode_active); + return (KMEM_CBRC_LATER); + } + + rw_exit(&odn->dn_struct_rwlock); + + /* + * At this point we know that anyone with a hold on the dnode is not + * actively referencing it. The dnode is known and in a valid state to + * move. We're holding the locks needed to execute the critical section. + */ + dnode_move_impl(odn, ndn); + + list_link_replace(&odn->dn_link, &ndn->dn_link); + /* If the dnode was safe to move, the refcount cannot have changed. */ + ASSERT(refcount == refcount_count(&ndn->dn_holds)); + ASSERT(dbufs == ndn->dn_dbufs_count); + zrl_exit(&ndn->dn_handle->dnh_zrlock); /* handle has moved */ + mutex_exit(&os->os_lock); + + return (KMEM_CBRC_YES); +} +#endif /* _KERNEL */ + +void +dnode_special_close(dnode_handle_t *dnh) +{ + dnode_t *dn = dnh->dnh_dnode; + + /* + * Wait for final references to the dnode to clear. This can + * only happen if the arc is asyncronously evicting state that + * has a hold on this dnode while we are trying to evict this + * dnode. + */ + while (refcount_count(&dn->dn_holds) > 0) + delay(1); + ASSERT(dn->dn_dbuf == NULL || + dmu_buf_get_user(&dn->dn_dbuf->db) == NULL); + zrl_add(&dnh->dnh_zrlock); + dnode_destroy(dn); /* implicit zrl_remove() */ + zrl_destroy(&dnh->dnh_zrlock); + dnh->dnh_dnode = NULL; +} + +void +dnode_special_open(objset_t *os, dnode_phys_t *dnp, uint64_t object, + dnode_handle_t *dnh) +{ + dnode_t *dn; + + dn = dnode_create(os, dnp, NULL, object, dnh); + zrl_init(&dnh->dnh_zrlock); + DNODE_VERIFY(dn); +} + +static void +dnode_buf_pageout(void *dbu) +{ + dnode_children_t *children_dnodes = dbu; + int i; + + for (i = 0; i < children_dnodes->dnc_count; i++) { + dnode_handle_t *dnh = &children_dnodes->dnc_children[i]; + dnode_t *dn; + + /* + * The dnode handle lock guards against the dnode moving to + * another valid address, so there is no need here to guard + * against changes to or from NULL. + */ + if (dnh->dnh_dnode == NULL) { + zrl_destroy(&dnh->dnh_zrlock); + continue; + } + + zrl_add(&dnh->dnh_zrlock); + dn = dnh->dnh_dnode; + /* + * If there are holds on this dnode, then there should + * be holds on the dnode's containing dbuf as well; thus + * it wouldn't be eligible for eviction and this function + * would not have been called. + */ + ASSERT(refcount_is_zero(&dn->dn_holds)); + ASSERT(refcount_is_zero(&dn->dn_tx_holds)); + + dnode_destroy(dn); /* implicit zrl_remove() */ + zrl_destroy(&dnh->dnh_zrlock); + dnh->dnh_dnode = NULL; + } + kmem_free(children_dnodes, sizeof (dnode_children_t) + + children_dnodes->dnc_count * sizeof (dnode_handle_t)); +} + +/* + * errors: + * EINVAL - invalid object number. + * EIO - i/o error. + * succeeds even for free dnodes. + */ +int +dnode_hold_impl(objset_t *os, uint64_t object, int flag, + void *tag, dnode_t **dnp) +{ + int epb, idx, err; + int drop_struct_lock = FALSE; + int type; + uint64_t blk; + dnode_t *mdn, *dn; + dmu_buf_impl_t *db; + dnode_children_t *children_dnodes; + dnode_handle_t *dnh; + + /* + * If you are holding the spa config lock as writer, you shouldn't + * be asking the DMU to do *anything* unless it's the root pool + * which may require us to read from the root filesystem while + * holding some (not all) of the locks as writer. + */ + ASSERT(spa_config_held(os->os_spa, SCL_ALL, RW_WRITER) == 0 || + (spa_is_root(os->os_spa) && + spa_config_held(os->os_spa, SCL_STATE, RW_WRITER))); + + if (object == DMU_USERUSED_OBJECT || object == DMU_GROUPUSED_OBJECT) { + dn = (object == DMU_USERUSED_OBJECT) ? + DMU_USERUSED_DNODE(os) : DMU_GROUPUSED_DNODE(os); + if (dn == NULL) + return (SET_ERROR(ENOENT)); + type = dn->dn_type; + if ((flag & DNODE_MUST_BE_ALLOCATED) && type == DMU_OT_NONE) + return (SET_ERROR(ENOENT)); + if ((flag & DNODE_MUST_BE_FREE) && type != DMU_OT_NONE) + return (SET_ERROR(EEXIST)); + DNODE_VERIFY(dn); + (void) refcount_add(&dn->dn_holds, tag); + *dnp = dn; + return (0); + } + + if (object == 0 || object >= DN_MAX_OBJECT) + return (SET_ERROR(EINVAL)); + + mdn = DMU_META_DNODE(os); + ASSERT(mdn->dn_object == DMU_META_DNODE_OBJECT); + + DNODE_VERIFY(mdn); + + if (!RW_WRITE_HELD(&mdn->dn_struct_rwlock)) { + rw_enter(&mdn->dn_struct_rwlock, RW_READER); + drop_struct_lock = TRUE; + } + + blk = dbuf_whichblock(mdn, object * sizeof (dnode_phys_t)); + + db = dbuf_hold(mdn, blk, FTAG); + if (drop_struct_lock) + rw_exit(&mdn->dn_struct_rwlock); + if (db == NULL) + return (SET_ERROR(EIO)); + err = dbuf_read(db, NULL, DB_RF_CANFAIL); + if (err) { + dbuf_rele(db, FTAG); + return (err); + } + + ASSERT3U(db->db.db_size, >=, 1<db.db_size >> DNODE_SHIFT; + + idx = object & (epb-1); + + ASSERT(DB_DNODE(db)->dn_type == DMU_OT_DNODE); + children_dnodes = dmu_buf_get_user(&db->db); + if (children_dnodes == NULL) { + int i; + dnode_children_t *winner; + children_dnodes = kmem_zalloc(sizeof (dnode_children_t) + + epb * sizeof (dnode_handle_t), KM_SLEEP); + children_dnodes->dnc_count = epb; + dnh = &children_dnodes->dnc_children[0]; + for (i = 0; i < epb; i++) { + zrl_init(&dnh[i].dnh_zrlock); + } + dmu_buf_init_user(&children_dnodes->dnc_dbu, + dnode_buf_pageout, NULL); + winner = dmu_buf_set_user(&db->db, &children_dnodes->dnc_dbu); + if (winner != NULL) { + + for (i = 0; i < epb; i++) { + zrl_destroy(&dnh[i].dnh_zrlock); + } + + kmem_free(children_dnodes, sizeof (dnode_children_t) + + epb * sizeof (dnode_handle_t)); + children_dnodes = winner; + } + } + ASSERT(children_dnodes->dnc_count == epb); + + dnh = &children_dnodes->dnc_children[idx]; + zrl_add(&dnh->dnh_zrlock); + dn = dnh->dnh_dnode; + if (dn == NULL) { + dnode_phys_t *phys = (dnode_phys_t *)db->db.db_data+idx; + + dn = dnode_create(os, phys, db, object, dnh); + } + + mutex_enter(&dn->dn_mtx); + type = dn->dn_type; + if (dn->dn_free_txg || + ((flag & DNODE_MUST_BE_ALLOCATED) && type == DMU_OT_NONE) || + ((flag & DNODE_MUST_BE_FREE) && + (type != DMU_OT_NONE || !refcount_is_zero(&dn->dn_holds)))) { + mutex_exit(&dn->dn_mtx); + zrl_remove(&dnh->dnh_zrlock); + dbuf_rele(db, FTAG); + return (type == DMU_OT_NONE ? ENOENT : EEXIST); + } + if (refcount_add(&dn->dn_holds, tag) == 1) + dbuf_add_ref(db, dnh); + mutex_exit(&dn->dn_mtx); + + /* Now we can rely on the hold to prevent the dnode from moving. */ + zrl_remove(&dnh->dnh_zrlock); + + DNODE_VERIFY(dn); + ASSERT3P(dn->dn_dbuf, ==, db); + ASSERT3U(dn->dn_object, ==, object); + dbuf_rele(db, FTAG); + + *dnp = dn; + return (0); +} + +/* + * Return held dnode if the object is allocated, NULL if not. + */ +int +dnode_hold(objset_t *os, uint64_t object, void *tag, dnode_t **dnp) +{ + return (dnode_hold_impl(os, object, DNODE_MUST_BE_ALLOCATED, tag, dnp)); +} + +/* + * Can only add a reference if there is already at least one + * reference on the dnode. Returns FALSE if unable to add a + * new reference. + */ +boolean_t +dnode_add_ref(dnode_t *dn, void *tag) +{ + mutex_enter(&dn->dn_mtx); + if (refcount_is_zero(&dn->dn_holds)) { + mutex_exit(&dn->dn_mtx); + return (FALSE); + } + VERIFY(1 < refcount_add(&dn->dn_holds, tag)); + mutex_exit(&dn->dn_mtx); + return (TRUE); +} + +void +dnode_rele(dnode_t *dn, void *tag) +{ + mutex_enter(&dn->dn_mtx); + dnode_rele_and_unlock(dn, tag); +} + +void +dnode_rele_and_unlock(dnode_t *dn, void *tag) +{ + uint64_t refs; + /* Get while the hold prevents the dnode from moving. */ + dmu_buf_impl_t *db = dn->dn_dbuf; + dnode_handle_t *dnh = dn->dn_handle; + + refs = refcount_remove(&dn->dn_holds, tag); + mutex_exit(&dn->dn_mtx); + + /* + * It's unsafe to release the last hold on a dnode by dnode_rele() or + * indirectly by dbuf_rele() while relying on the dnode handle to + * prevent the dnode from moving, since releasing the last hold could + * result in the dnode's parent dbuf evicting its dnode handles. For + * that reason anyone calling dnode_rele() or dbuf_rele() without some + * other direct or indirect hold on the dnode must first drop the dnode + * handle. + */ + ASSERT(refs > 0 || dnh->dnh_zrlock.zr_owner != curthread); + + /* NOTE: the DNODE_DNODE does not have a dn_dbuf */ + if (refs == 0 && db != NULL) { + /* + * Another thread could add a hold to the dnode handle in + * dnode_hold_impl() while holding the parent dbuf. Since the + * hold on the parent dbuf prevents the handle from being + * destroyed, the hold on the handle is OK. We can't yet assert + * that the handle has zero references, but that will be + * asserted anyway when the handle gets destroyed. + */ + dbuf_rele(db, dnh); + } +} + +void +dnode_setdirty(dnode_t *dn, dmu_tx_t *tx) +{ + objset_t *os = dn->dn_objset; + uint64_t txg = tx->tx_txg; + + if (DMU_OBJECT_IS_SPECIAL(dn->dn_object)) { + dsl_dataset_dirty(os->os_dsl_dataset, tx); + return; + } + + DNODE_VERIFY(dn); + +#ifdef ZFS_DEBUG + mutex_enter(&dn->dn_mtx); + ASSERT(dn->dn_phys->dn_type || dn->dn_allocated_txg); + ASSERT(dn->dn_free_txg == 0 || dn->dn_free_txg >= txg); + mutex_exit(&dn->dn_mtx); +#endif + + /* + * Determine old uid/gid when necessary + */ + dmu_objset_userquota_get_ids(dn, B_TRUE, tx); + + mutex_enter(&os->os_lock); + + /* + * If we are already marked dirty, we're done. + */ + if (list_link_active(&dn->dn_dirty_link[txg & TXG_MASK])) { + mutex_exit(&os->os_lock); + return; + } + + ASSERT(!refcount_is_zero(&dn->dn_holds) || + !avl_is_empty(&dn->dn_dbufs)); + ASSERT(dn->dn_datablksz != 0); + ASSERT0(dn->dn_next_bonuslen[txg&TXG_MASK]); + ASSERT0(dn->dn_next_blksz[txg&TXG_MASK]); + ASSERT0(dn->dn_next_bonustype[txg&TXG_MASK]); + + dprintf_ds(os->os_dsl_dataset, "obj=%llu txg=%llu\n", + dn->dn_object, txg); + + if (dn->dn_free_txg > 0 && dn->dn_free_txg <= txg) { + list_insert_tail(&os->os_free_dnodes[txg&TXG_MASK], dn); + } else { + list_insert_tail(&os->os_dirty_dnodes[txg&TXG_MASK], dn); + } + + mutex_exit(&os->os_lock); + + /* + * The dnode maintains a hold on its containing dbuf as + * long as there are holds on it. Each instantiated child + * dbuf maintains a hold on the dnode. When the last child + * drops its hold, the dnode will drop its hold on the + * containing dbuf. We add a "dirty hold" here so that the + * dnode will hang around after we finish processing its + * children. + */ + VERIFY(dnode_add_ref(dn, (void *)(uintptr_t)tx->tx_txg)); + + (void) dbuf_dirty(dn->dn_dbuf, tx); + + dsl_dataset_dirty(os->os_dsl_dataset, tx); +} + +void +dnode_free(dnode_t *dn, dmu_tx_t *tx) +{ + int txgoff = tx->tx_txg & TXG_MASK; + + dprintf("dn=%p txg=%llu\n", dn, tx->tx_txg); + + /* we should be the only holder... hopefully */ + /* ASSERT3U(refcount_count(&dn->dn_holds), ==, 1); */ + + mutex_enter(&dn->dn_mtx); + if (dn->dn_type == DMU_OT_NONE || dn->dn_free_txg) { + mutex_exit(&dn->dn_mtx); + return; + } + dn->dn_free_txg = tx->tx_txg; + mutex_exit(&dn->dn_mtx); + + /* + * If the dnode is already dirty, it needs to be moved from + * the dirty list to the free list. + */ + mutex_enter(&dn->dn_objset->os_lock); + if (list_link_active(&dn->dn_dirty_link[txgoff])) { + list_remove(&dn->dn_objset->os_dirty_dnodes[txgoff], dn); + list_insert_tail(&dn->dn_objset->os_free_dnodes[txgoff], dn); + mutex_exit(&dn->dn_objset->os_lock); + } else { + mutex_exit(&dn->dn_objset->os_lock); + dnode_setdirty(dn, tx); + } +} + +/* + * Try to change the block size for the indicated dnode. This can only + * succeed if there are no blocks allocated or dirty beyond first block + */ +int +dnode_set_blksz(dnode_t *dn, uint64_t size, int ibs, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db; + int err; + + ASSERT3U(size, <=, spa_maxblocksize(dmu_objset_spa(dn->dn_objset))); + if (size == 0) + size = SPA_MINBLOCKSIZE; + else + size = P2ROUNDUP(size, SPA_MINBLOCKSIZE); + + if (ibs == dn->dn_indblkshift) + ibs = 0; + + if (size >> SPA_MINBLOCKSHIFT == dn->dn_datablkszsec && ibs == 0) + return (0); + + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + + /* Check for any allocated blocks beyond the first */ + if (dn->dn_maxblkid != 0) + goto fail; + + mutex_enter(&dn->dn_dbufs_mtx); + for (db = avl_first(&dn->dn_dbufs); db != NULL; + db = AVL_NEXT(&dn->dn_dbufs, db)) { + if (db->db_blkid != 0 && db->db_blkid != DMU_BONUS_BLKID && + db->db_blkid != DMU_SPILL_BLKID) { + mutex_exit(&dn->dn_dbufs_mtx); + goto fail; + } + } + mutex_exit(&dn->dn_dbufs_mtx); + + if (ibs && dn->dn_nlevels != 1) + goto fail; + + /* resize the old block */ + err = dbuf_hold_impl(dn, 0, 0, TRUE, FTAG, &db); + if (err == 0) + dbuf_new_size(db, size, tx); + else if (err != ENOENT) + goto fail; + + dnode_setdblksz(dn, size); + dnode_setdirty(dn, tx); + dn->dn_next_blksz[tx->tx_txg&TXG_MASK] = size; + if (ibs) { + dn->dn_indblkshift = ibs; + dn->dn_next_indblkshift[tx->tx_txg&TXG_MASK] = ibs; + } + /* rele after we have fixed the blocksize in the dnode */ + if (db) + dbuf_rele(db, FTAG); + + rw_exit(&dn->dn_struct_rwlock); + return (0); + +fail: + rw_exit(&dn->dn_struct_rwlock); + return (SET_ERROR(ENOTSUP)); +} + +/* read-holding callers must not rely on the lock being continuously held */ +void +dnode_new_blkid(dnode_t *dn, uint64_t blkid, dmu_tx_t *tx, boolean_t have_read) +{ + uint64_t txgoff = tx->tx_txg & TXG_MASK; + int epbs, new_nlevels; + uint64_t sz; + + ASSERT(blkid != DMU_BONUS_BLKID); + + ASSERT(have_read ? + RW_READ_HELD(&dn->dn_struct_rwlock) : + RW_WRITE_HELD(&dn->dn_struct_rwlock)); + + /* + * if we have a read-lock, check to see if we need to do any work + * before upgrading to a write-lock. + */ + if (have_read) { + if (blkid <= dn->dn_maxblkid) + return; + + if (!rw_tryupgrade(&dn->dn_struct_rwlock)) { + rw_exit(&dn->dn_struct_rwlock); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + } + } + + if (blkid <= dn->dn_maxblkid) + goto out; + + dn->dn_maxblkid = blkid; + + /* + * Compute the number of levels necessary to support the new maxblkid. + */ + new_nlevels = 1; + epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + for (sz = dn->dn_nblkptr; + sz <= blkid && sz >= dn->dn_nblkptr; sz <<= epbs) + new_nlevels++; + + if (new_nlevels > dn->dn_nlevels) { + int old_nlevels = dn->dn_nlevels; + dmu_buf_impl_t *db; + list_t *list; + dbuf_dirty_record_t *new, *dr, *dr_next; + + dn->dn_nlevels = new_nlevels; + + ASSERT3U(new_nlevels, >, dn->dn_next_nlevels[txgoff]); + dn->dn_next_nlevels[txgoff] = new_nlevels; + + /* dirty the left indirects */ + db = dbuf_hold_level(dn, old_nlevels, 0, FTAG); + ASSERT(db != NULL); + new = dbuf_dirty(db, tx); + dbuf_rele(db, FTAG); + + /* transfer the dirty records to the new indirect */ + mutex_enter(&dn->dn_mtx); + mutex_enter(&new->dt.di.dr_mtx); + list = &dn->dn_dirty_records[txgoff]; + for (dr = list_head(list); dr; dr = dr_next) { + dr_next = list_next(&dn->dn_dirty_records[txgoff], dr); + if (dr->dr_dbuf->db_level != new_nlevels-1 && + dr->dr_dbuf->db_blkid != DMU_BONUS_BLKID && + dr->dr_dbuf->db_blkid != DMU_SPILL_BLKID) { + ASSERT(dr->dr_dbuf->db_level == old_nlevels-1); + list_remove(&dn->dn_dirty_records[txgoff], dr); + list_insert_tail(&new->dt.di.dr_children, dr); + dr->dr_parent = new; + } + } + mutex_exit(&new->dt.di.dr_mtx); + mutex_exit(&dn->dn_mtx); + } + +out: + if (have_read) + rw_downgrade(&dn->dn_struct_rwlock); +} + +static void +dnode_dirty_l1(dnode_t *dn, uint64_t l1blkid, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db = dbuf_hold_level(dn, 1, l1blkid, FTAG); + if (db != NULL) { + dmu_buf_will_dirty(&db->db, tx); + dbuf_rele(db, FTAG); + } +} + +void +dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db; + uint64_t blkoff, blkid, nblks; + int blksz, blkshift, head, tail; + int trunc = FALSE; + int epbs; + + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + blksz = dn->dn_datablksz; + blkshift = dn->dn_datablkshift; + epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT; + + if (len == DMU_OBJECT_END) { + len = UINT64_MAX - off; + trunc = TRUE; + } + + /* + * First, block align the region to free: + */ + if (ISP2(blksz)) { + head = P2NPHASE(off, blksz); + blkoff = P2PHASE(off, blksz); + if ((off >> blkshift) > dn->dn_maxblkid) + goto out; + } else { + ASSERT(dn->dn_maxblkid == 0); + if (off == 0 && len >= blksz) { + /* + * Freeing the whole block; fast-track this request. + * Note that we won't dirty any indirect blocks, + * which is fine because we will be freeing the entire + * file and thus all indirect blocks will be freed + * by free_children(). + */ + blkid = 0; + nblks = 1; + goto done; + } else if (off >= blksz) { + /* Freeing past end-of-data */ + goto out; + } else { + /* Freeing part of the block. */ + head = blksz - off; + ASSERT3U(head, >, 0); + } + blkoff = off; + } + /* zero out any partial block data at the start of the range */ + if (head) { + ASSERT3U(blkoff + head, ==, blksz); + if (len < head) + head = len; + if (dbuf_hold_impl(dn, 0, dbuf_whichblock(dn, off), TRUE, + FTAG, &db) == 0) { + caddr_t data; + + /* don't dirty if it isn't on disk and isn't dirty */ + if (db->db_last_dirty || + (db->db_blkptr && !BP_IS_HOLE(db->db_blkptr))) { + rw_exit(&dn->dn_struct_rwlock); + dmu_buf_will_dirty(&db->db, tx); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + data = db->db.db_data; + bzero(data + blkoff, head); + } + dbuf_rele(db, FTAG); + } + off += head; + len -= head; + } + + /* If the range was less than one block, we're done */ + if (len == 0) + goto out; + + /* If the remaining range is past end of file, we're done */ + if ((off >> blkshift) > dn->dn_maxblkid) + goto out; + + ASSERT(ISP2(blksz)); + if (trunc) + tail = 0; + else + tail = P2PHASE(len, blksz); + + ASSERT0(P2PHASE(off, blksz)); + /* zero out any partial block data at the end of the range */ + if (tail) { + if (len < tail) + tail = len; + if (dbuf_hold_impl(dn, 0, dbuf_whichblock(dn, off+len), + TRUE, FTAG, &db) == 0) { + /* don't dirty if not on disk and not dirty */ + if (db->db_last_dirty || + (db->db_blkptr && !BP_IS_HOLE(db->db_blkptr))) { + rw_exit(&dn->dn_struct_rwlock); + dmu_buf_will_dirty(&db->db, tx); + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + bzero(db->db.db_data, tail); + } + dbuf_rele(db, FTAG); + } + len -= tail; + } + + /* If the range did not include a full block, we are done */ + if (len == 0) + goto out; + + ASSERT(IS_P2ALIGNED(off, blksz)); + ASSERT(trunc || IS_P2ALIGNED(len, blksz)); + blkid = off >> blkshift; + nblks = len >> blkshift; + if (trunc) + nblks += 1; + + /* + * Dirty all the indirect blocks in this range. Note that only + * the first and last indirect blocks can actually be written + * (if they were partially freed) -- they must be dirtied, even if + * they do not exist on disk yet. The interior blocks will + * be freed by free_children(), so they will not actually be written. + * Even though these interior blocks will not be written, we + * dirty them for two reasons: + * + * - It ensures that the indirect blocks remain in memory until + * syncing context. (They have already been prefetched by + * dmu_tx_hold_free(), so we don't have to worry about reading + * them serially here.) + * + * - The dirty space accounting will put pressure on the txg sync + * mechanism to begin syncing, and to delay transactions if there + * is a large amount of freeing. Even though these indirect + * blocks will not be written, we could need to write the same + * amount of space if we copy the freed BPs into deadlists. + */ + if (dn->dn_nlevels > 1) { + uint64_t first, last, i, ibyte; + int shift, err; + + first = blkid >> epbs; + dnode_dirty_l1(dn, first, tx); + if (trunc) + last = dn->dn_maxblkid >> epbs; + else + last = (blkid + nblks - 1) >> epbs; + if (last != first) + dnode_dirty_l1(dn, last, tx); + + shift = dn->dn_datablkshift + dn->dn_indblkshift - + SPA_BLKPTRSHIFT; + for (i = first + 1; i < last; i++) { + /* + * Set i to the blockid of the next non-hole + * level-1 indirect block at or after i. Note + * that dnode_next_offset() operates in terms of + * level-0-equivalent bytes. + */ + ibyte = i << shift; + err = dnode_next_offset(dn, DNODE_FIND_HAVELOCK, + &ibyte, 2, 1, 0); + i = ibyte >> shift; + if (i >= last) + break; + + /* + * Normally we should not see an error, either + * from dnode_next_offset() or dbuf_hold_level() + * (except for ESRCH from dnode_next_offset). + * If there is an i/o error, then when we read + * this block in syncing context, it will use + * ZIO_FLAG_MUSTSUCCEED, and thus hang/panic according + * to the "failmode" property. dnode_next_offset() + * doesn't have a flag to indicate MUSTSUCCEED. + */ + if (err != 0) + break; + + dnode_dirty_l1(dn, i, tx); + } + } + +done: + /* + * Add this range to the dnode range list. + * We will finish up this free operation in the syncing phase. + */ + mutex_enter(&dn->dn_mtx); + { + int txgoff = tx->tx_txg & TXG_MASK; + if (dn->dn_free_ranges[txgoff] == NULL) { + dn->dn_free_ranges[txgoff] = + range_tree_create(NULL, NULL, &dn->dn_mtx); + } + range_tree_clear(dn->dn_free_ranges[txgoff], blkid, nblks); + range_tree_add(dn->dn_free_ranges[txgoff], blkid, nblks); + } + dprintf_dnode(dn, "blkid=%llu nblks=%llu txg=%llu\n", + blkid, nblks, tx->tx_txg); + mutex_exit(&dn->dn_mtx); + + dbuf_free_range(dn, blkid, blkid + nblks - 1, tx); + dnode_setdirty(dn, tx); +out: + + rw_exit(&dn->dn_struct_rwlock); +} + +static boolean_t +dnode_spill_freed(dnode_t *dn) +{ + int i; + + mutex_enter(&dn->dn_mtx); + for (i = 0; i < TXG_SIZE; i++) { + if (dn->dn_rm_spillblk[i] == DN_KILL_SPILLBLK) + break; + } + mutex_exit(&dn->dn_mtx); + return (i < TXG_SIZE); +} + +/* return TRUE if this blkid was freed in a recent txg, or FALSE if it wasn't */ +uint64_t +dnode_block_freed(dnode_t *dn, uint64_t blkid) +{ + void *dp = spa_get_dsl(dn->dn_objset->os_spa); + int i; + + if (blkid == DMU_BONUS_BLKID) + return (FALSE); + + /* + * If we're in the process of opening the pool, dp will not be + * set yet, but there shouldn't be anything dirty. + */ + if (dp == NULL) + return (FALSE); + + if (dn->dn_free_txg) + return (TRUE); + + if (blkid == DMU_SPILL_BLKID) + return (dnode_spill_freed(dn)); + + mutex_enter(&dn->dn_mtx); + for (i = 0; i < TXG_SIZE; i++) { + if (dn->dn_free_ranges[i] != NULL && + range_tree_contains(dn->dn_free_ranges[i], blkid, 1)) + break; + } + mutex_exit(&dn->dn_mtx); + return (i < TXG_SIZE); +} + +/* call from syncing context when we actually write/free space for this dnode */ +void +dnode_diduse_space(dnode_t *dn, int64_t delta) +{ + uint64_t space; + dprintf_dnode(dn, "dn=%p dnp=%p used=%llu delta=%lld\n", + dn, dn->dn_phys, + (u_longlong_t)dn->dn_phys->dn_used, + (longlong_t)delta); + + mutex_enter(&dn->dn_mtx); + space = DN_USED_BYTES(dn->dn_phys); + if (delta > 0) { + ASSERT3U(space + delta, >=, space); /* no overflow */ + } else { + ASSERT3U(space, >=, -delta); /* no underflow */ + } + space += delta; + if (spa_version(dn->dn_objset->os_spa) < SPA_VERSION_DNODE_BYTES) { + ASSERT((dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) == 0); + ASSERT0(P2PHASE(space, 1<dn_phys->dn_used = space >> DEV_BSHIFT; + } else { + dn->dn_phys->dn_used = space; + dn->dn_phys->dn_flags |= DNODE_FLAG_USED_BYTES; + } + mutex_exit(&dn->dn_mtx); +} + +/* + * Call when we think we're going to write/free space in open context to track + * the amount of memory in use by the currently open txg. + */ +void +dnode_willuse_space(dnode_t *dn, int64_t space, dmu_tx_t *tx) +{ + objset_t *os = dn->dn_objset; + dsl_dataset_t *ds = os->os_dsl_dataset; + int64_t aspace = spa_get_asize(os->os_spa, space); + + if (ds != NULL) { + dsl_dir_willuse_space(ds->ds_dir, aspace, tx); + dsl_pool_dirty_space(dmu_tx_pool(tx), space, tx); + } + + dmu_tx_willuse_space(tx, aspace); +} + +/* + * Scans a block at the indicated "level" looking for a hole or data, + * depending on 'flags'. + * + * If level > 0, then we are scanning an indirect block looking at its + * pointers. If level == 0, then we are looking at a block of dnodes. + * + * If we don't find what we are looking for in the block, we return ESRCH. + * Otherwise, return with *offset pointing to the beginning (if searching + * forwards) or end (if searching backwards) of the range covered by the + * block pointer we matched on (or dnode). + * + * The basic search algorithm used below by dnode_next_offset() is to + * use this function to search up the block tree (widen the search) until + * we find something (i.e., we don't return ESRCH) and then search back + * down the tree (narrow the search) until we reach our original search + * level. + */ +static int +dnode_next_offset_level(dnode_t *dn, int flags, uint64_t *offset, + int lvl, uint64_t blkfill, uint64_t txg) +{ + dmu_buf_impl_t *db = NULL; + void *data = NULL; + uint64_t epbs = dn->dn_phys->dn_indblkshift - SPA_BLKPTRSHIFT; + uint64_t epb = 1ULL << epbs; + uint64_t minfill, maxfill; + boolean_t hole; + int i, inc, error, span; + + dprintf("probing object %llu offset %llx level %d of %u\n", + dn->dn_object, *offset, lvl, dn->dn_phys->dn_nlevels); + + hole = ((flags & DNODE_FIND_HOLE) != 0); + inc = (flags & DNODE_FIND_BACKWARDS) ? -1 : 1; + ASSERT(txg == 0 || !hole); + + if (lvl == dn->dn_phys->dn_nlevels) { + error = 0; + epb = dn->dn_phys->dn_nblkptr; + data = dn->dn_phys->dn_blkptr; + } else { + uint64_t blkid = dbuf_whichblock(dn, *offset) >> (epbs * lvl); + error = dbuf_hold_impl(dn, lvl, blkid, TRUE, FTAG, &db); + if (error) { + if (error != ENOENT) + return (error); + if (hole) + return (0); + /* + * This can only happen when we are searching up + * the block tree for data. We don't really need to + * adjust the offset, as we will just end up looking + * at the pointer to this block in its parent, and its + * going to be unallocated, so we will skip over it. + */ + return (SET_ERROR(ESRCH)); + } + error = dbuf_read(db, NULL, DB_RF_CANFAIL | DB_RF_HAVESTRUCT); + if (error) { + dbuf_rele(db, FTAG); + return (error); + } + data = db->db.db_data; + } + + + if (db != NULL && txg != 0 && (db->db_blkptr == NULL || + db->db_blkptr->blk_birth <= txg || + BP_IS_HOLE(db->db_blkptr))) { + /* + * This can only happen when we are searching up the tree + * and these conditions mean that we need to keep climbing. + */ + error = SET_ERROR(ESRCH); + } else if (lvl == 0) { + dnode_phys_t *dnp = data; + span = DNODE_SHIFT; + ASSERT(dn->dn_type == DMU_OT_DNODE); + + for (i = (*offset >> span) & (blkfill - 1); + i >= 0 && i < blkfill; i += inc) { + if ((dnp[i].dn_type == DMU_OT_NONE) == hole) + break; + *offset += (1ULL << span) * inc; + } + if (i < 0 || i == blkfill) + error = SET_ERROR(ESRCH); + } else { + blkptr_t *bp = data; + uint64_t start = *offset; + span = (lvl - 1) * epbs + dn->dn_datablkshift; + minfill = 0; + maxfill = blkfill << ((lvl - 1) * epbs); + + if (hole) + maxfill--; + else + minfill++; + + *offset = *offset >> span; + for (i = BF64_GET(*offset, 0, epbs); + i >= 0 && i < epb; i += inc) { + if (BP_GET_FILL(&bp[i]) >= minfill && + BP_GET_FILL(&bp[i]) <= maxfill && + (hole || bp[i].blk_birth > txg)) + break; + if (inc > 0 || *offset > 0) + *offset += inc; + } + *offset = *offset << span; + if (inc < 0) { + /* traversing backwards; position offset at the end */ + ASSERT3U(*offset, <=, start); + *offset = MIN(*offset + (1ULL << span) - 1, start); + } else if (*offset < start) { + *offset = start; + } + if (i < 0 || i >= epb) + error = SET_ERROR(ESRCH); + } + + if (db) + dbuf_rele(db, FTAG); + + return (error); +} + +/* + * Find the next hole, data, or sparse region at or after *offset. + * The value 'blkfill' tells us how many items we expect to find + * in an L0 data block; this value is 1 for normal objects, + * DNODES_PER_BLOCK for the meta dnode, and some fraction of + * DNODES_PER_BLOCK when searching for sparse regions thereof. + * + * Examples: + * + * dnode_next_offset(dn, flags, offset, 1, 1, 0); + * Finds the next/previous hole/data in a file. + * Used in dmu_offset_next(). + * + * dnode_next_offset(mdn, flags, offset, 0, DNODES_PER_BLOCK, txg); + * Finds the next free/allocated dnode an objset's meta-dnode. + * Only finds objects that have new contents since txg (ie. + * bonus buffer changes and content removal are ignored). + * Used in dmu_object_next(). + * + * dnode_next_offset(mdn, DNODE_FIND_HOLE, offset, 2, DNODES_PER_BLOCK >> 2, 0); + * Finds the next L2 meta-dnode bp that's at most 1/4 full. + * Used in dmu_object_alloc(). + */ +int +dnode_next_offset(dnode_t *dn, int flags, uint64_t *offset, + int minlvl, uint64_t blkfill, uint64_t txg) +{ + uint64_t initial_offset = *offset; + int lvl, maxlvl; + int error = 0; + + if (!(flags & DNODE_FIND_HAVELOCK)) + rw_enter(&dn->dn_struct_rwlock, RW_READER); + + if (dn->dn_phys->dn_nlevels == 0) { + error = SET_ERROR(ESRCH); + goto out; + } + + if (dn->dn_datablkshift == 0) { + if (*offset < dn->dn_datablksz) { + if (flags & DNODE_FIND_HOLE) + *offset = dn->dn_datablksz; + } else { + error = SET_ERROR(ESRCH); + } + goto out; + } + + maxlvl = dn->dn_phys->dn_nlevels; + + for (lvl = minlvl; lvl <= maxlvl; lvl++) { + error = dnode_next_offset_level(dn, + flags, offset, lvl, blkfill, txg); + if (error != ESRCH) + break; + } + + while (error == 0 && --lvl >= minlvl) { + error = dnode_next_offset_level(dn, + flags, offset, lvl, blkfill, txg); + } + + /* + * There's always a "virtual hole" at the end of the object, even + * if all BP's which physically exist are non-holes. + */ + if ((flags & DNODE_FIND_HOLE) && error == ESRCH && txg == 0 && + minlvl == 1 && blkfill == 1 && !(flags & DNODE_FIND_BACKWARDS)) { + error = 0; + } + + if (error == 0 && (flags & DNODE_FIND_BACKWARDS ? + initial_offset < *offset : initial_offset > *offset)) + error = SET_ERROR(ESRCH); +out: + if (!(flags & DNODE_FIND_HAVELOCK)) + rw_exit(&dn->dn_struct_rwlock); + + return (error); +} diff --git a/zfs/module/zfs/dnode_sync.c b/zfs/module/zfs/dnode_sync.c new file mode 100644 index 000000000000..df5c8e4ee6c4 --- /dev/null +++ b/zfs/module/zfs/dnode_sync.c @@ -0,0 +1,737 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2015 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void +dnode_increase_indirection(dnode_t *dn, dmu_tx_t *tx) +{ + dmu_buf_impl_t *db; + int txgoff = tx->tx_txg & TXG_MASK; + int nblkptr = dn->dn_phys->dn_nblkptr; + int old_toplvl = dn->dn_phys->dn_nlevels - 1; + int new_level = dn->dn_next_nlevels[txgoff]; + int i; + + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + + /* this dnode can't be paged out because it's dirty */ + ASSERT(dn->dn_phys->dn_type != DMU_OT_NONE); + ASSERT(RW_WRITE_HELD(&dn->dn_struct_rwlock)); + ASSERT(new_level > 1 && dn->dn_phys->dn_nlevels > 0); + + db = dbuf_hold_level(dn, dn->dn_phys->dn_nlevels, 0, FTAG); + ASSERT(db != NULL); + + dn->dn_phys->dn_nlevels = new_level; + dprintf("os=%p obj=%llu, increase to %d\n", dn->dn_objset, + dn->dn_object, dn->dn_phys->dn_nlevels); + + /* check for existing blkptrs in the dnode */ + for (i = 0; i < nblkptr; i++) + if (!BP_IS_HOLE(&dn->dn_phys->dn_blkptr[i])) + break; + if (i != nblkptr) { + /* transfer dnode's block pointers to new indirect block */ + (void) dbuf_read(db, NULL, DB_RF_MUST_SUCCEED|DB_RF_HAVESTRUCT); + ASSERT(db->db.db_data); + ASSERT(arc_released(db->db_buf)); + ASSERT3U(sizeof (blkptr_t) * nblkptr, <=, db->db.db_size); + bcopy(dn->dn_phys->dn_blkptr, db->db.db_data, + sizeof (blkptr_t) * nblkptr); + arc_buf_freeze(db->db_buf); + } + + /* set dbuf's parent pointers to new indirect buf */ + for (i = 0; i < nblkptr; i++) { + dmu_buf_impl_t *child = + dbuf_find(dn->dn_objset, dn->dn_object, old_toplvl, i); + + if (child == NULL) + continue; +#ifdef DEBUG + DB_DNODE_ENTER(child); + ASSERT3P(DB_DNODE(child), ==, dn); + DB_DNODE_EXIT(child); +#endif /* DEBUG */ + if (child->db_parent && child->db_parent != dn->dn_dbuf) { + ASSERT(child->db_parent->db_level == db->db_level); + ASSERT(child->db_blkptr != + &dn->dn_phys->dn_blkptr[child->db_blkid]); + mutex_exit(&child->db_mtx); + continue; + } + ASSERT(child->db_parent == NULL || + child->db_parent == dn->dn_dbuf); + + child->db_parent = db; + dbuf_add_ref(db, child); + if (db->db.db_data) + child->db_blkptr = (blkptr_t *)db->db.db_data + i; + else + child->db_blkptr = NULL; + dprintf_dbuf_bp(child, child->db_blkptr, + "changed db_blkptr to new indirect %s", ""); + + mutex_exit(&child->db_mtx); + } + + bzero(dn->dn_phys->dn_blkptr, sizeof (blkptr_t) * nblkptr); + + dbuf_rele(db, FTAG); + + rw_exit(&dn->dn_struct_rwlock); +} + +static void +free_blocks(dnode_t *dn, blkptr_t *bp, int num, dmu_tx_t *tx) +{ + dsl_dataset_t *ds = dn->dn_objset->os_dsl_dataset; + uint64_t bytesfreed = 0; + int i; + + dprintf("ds=%p obj=%llx num=%d\n", ds, dn->dn_object, num); + + for (i = 0; i < num; i++, bp++) { + uint64_t lsize, lvl; + dmu_object_type_t type; + + if (BP_IS_HOLE(bp)) + continue; + + bytesfreed += dsl_dataset_block_kill(ds, bp, tx, B_FALSE); + ASSERT3U(bytesfreed, <=, DN_USED_BYTES(dn->dn_phys)); + + /* + * Save some useful information on the holes being + * punched, including logical size, type, and indirection + * level. Retaining birth time enables detection of when + * holes are punched for reducing the number of free + * records transmitted during a zfs send. + */ + + lsize = BP_GET_LSIZE(bp); + type = BP_GET_TYPE(bp); + lvl = BP_GET_LEVEL(bp); + + bzero(bp, sizeof (blkptr_t)); + + if (spa_feature_is_active(dn->dn_objset->os_spa, + SPA_FEATURE_HOLE_BIRTH)) { + BP_SET_LSIZE(bp, lsize); + BP_SET_TYPE(bp, type); + BP_SET_LEVEL(bp, lvl); + BP_SET_BIRTH(bp, dmu_tx_get_txg(tx), 0); + } + } + dnode_diduse_space(dn, -bytesfreed); +} + +#ifdef ZFS_DEBUG +static void +free_verify(dmu_buf_impl_t *db, uint64_t start, uint64_t end, dmu_tx_t *tx) +{ + int off, num; + int i, err, epbs; + uint64_t txg = tx->tx_txg; + dnode_t *dn; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + epbs = dn->dn_phys->dn_indblkshift - SPA_BLKPTRSHIFT; + off = start - (db->db_blkid * 1<=, 0); + ASSERT3U(num, >=, 0); + ASSERT3U(db->db_level, >, 0); + ASSERT3U(db->db.db_size, ==, 1 << dn->dn_phys->dn_indblkshift); + ASSERT3U(off+num, <=, db->db.db_size >> SPA_BLKPTRSHIFT); + ASSERT(db->db_blkptr != NULL); + + for (i = off; i < off+num; i++) { + uint64_t *buf; + dmu_buf_impl_t *child; + dbuf_dirty_record_t *dr; + int j; + + ASSERT(db->db_level == 1); + + rw_enter(&dn->dn_struct_rwlock, RW_READER); + err = dbuf_hold_impl(dn, db->db_level-1, + (db->db_blkid << epbs) + i, TRUE, FTAG, &child); + rw_exit(&dn->dn_struct_rwlock); + if (err == ENOENT) + continue; + ASSERT(err == 0); + ASSERT(child->db_level == 0); + dr = child->db_last_dirty; + while (dr && dr->dr_txg > txg) + dr = dr->dr_next; + ASSERT(dr == NULL || dr->dr_txg == txg); + + /* data_old better be zeroed */ + if (dr) { + buf = dr->dt.dl.dr_data->b_data; + for (j = 0; j < child->db.db_size >> 3; j++) { + if (buf[j] != 0) { + panic("freed data not zero: " + "child=%p i=%d off=%d num=%d\n", + (void *)child, i, off, num); + } + } + } + + /* + * db_data better be zeroed unless it's dirty in a + * future txg. + */ + mutex_enter(&child->db_mtx); + buf = child->db.db_data; + if (buf != NULL && child->db_state != DB_FILL && + child->db_last_dirty == NULL) { + for (j = 0; j < child->db.db_size >> 3; j++) { + if (buf[j] != 0) { + panic("freed data not zero: " + "child=%p i=%d off=%d num=%d\n", + (void *)child, i, off, num); + } + } + } + mutex_exit(&child->db_mtx); + + dbuf_rele(child, FTAG); + } + DB_DNODE_EXIT(db); +} +#endif + +static void +free_children(dmu_buf_impl_t *db, uint64_t blkid, uint64_t nblks, + dmu_tx_t *tx) +{ + dnode_t *dn; + blkptr_t *bp; + dmu_buf_impl_t *subdb; + uint64_t start, end, dbstart, dbend, i; + int epbs, shift; + + /* + * There is a small possibility that this block will not be cached: + * 1 - if level > 1 and there are no children with level <= 1 + * 2 - if this block was evicted since we read it from + * dmu_tx_hold_free(). + */ + if (db->db_state != DB_CACHED) + (void) dbuf_read(db, NULL, DB_RF_MUST_SUCCEED); + + dbuf_release_bp(db); + bp = db->db.db_data; + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + epbs = dn->dn_phys->dn_indblkshift - SPA_BLKPTRSHIFT; + shift = (db->db_level - 1) * epbs; + dbstart = db->db_blkid << epbs; + start = blkid >> shift; + if (dbstart < start) { + bp += start - dbstart; + } else { + start = dbstart; + } + dbend = ((db->db_blkid + 1) << epbs) - 1; + end = (blkid + nblks - 1) >> shift; + if (dbend <= end) + end = dbend; + + ASSERT3U(start, <=, end); + + if (db->db_level == 1) { + FREE_VERIFY(db, start, end, tx); + free_blocks(dn, bp, end-start+1, tx); + } else { + for (i = start; i <= end; i++, bp++) { + if (BP_IS_HOLE(bp)) + continue; + rw_enter(&dn->dn_struct_rwlock, RW_READER); + VERIFY0(dbuf_hold_impl(dn, db->db_level - 1, + i, B_TRUE, FTAG, &subdb)); + rw_exit(&dn->dn_struct_rwlock); + ASSERT3P(bp, ==, subdb->db_blkptr); + + free_children(subdb, blkid, nblks, tx); + dbuf_rele(subdb, FTAG); + } + } + + /* If this whole block is free, free ourself too. */ + for (i = 0, bp = db->db.db_data; i < 1 << epbs; i++, bp++) { + if (!BP_IS_HOLE(bp)) + break; + } + if (i == 1 << epbs) { + /* didn't find any non-holes */ + bzero(db->db.db_data, db->db.db_size); + free_blocks(dn, db->db_blkptr, 1, tx); + } else { + /* + * Partial block free; must be marked dirty so that it + * will be written out. + */ + ASSERT(db->db_dirtycnt > 0); + } + + DB_DNODE_EXIT(db); + arc_buf_freeze(db->db_buf); +} + +/* + * Traverse the indicated range of the provided file + * and "free" all the blocks contained there. + */ +static void +dnode_sync_free_range_impl(dnode_t *dn, uint64_t blkid, uint64_t nblks, + dmu_tx_t *tx) +{ + blkptr_t *bp = dn->dn_phys->dn_blkptr; + int dnlevel = dn->dn_phys->dn_nlevels; + boolean_t trunc = B_FALSE; + + if (blkid > dn->dn_phys->dn_maxblkid) + return; + + ASSERT(dn->dn_phys->dn_maxblkid < UINT64_MAX); + if (blkid + nblks > dn->dn_phys->dn_maxblkid) { + nblks = dn->dn_phys->dn_maxblkid - blkid + 1; + trunc = B_TRUE; + } + + /* There are no indirect blocks in the object */ + if (dnlevel == 1) { + if (blkid >= dn->dn_phys->dn_nblkptr) { + /* this range was never made persistent */ + return; + } + ASSERT3U(blkid + nblks, <=, dn->dn_phys->dn_nblkptr); + free_blocks(dn, bp + blkid, nblks, tx); + } else { + int shift = (dnlevel - 1) * + (dn->dn_phys->dn_indblkshift - SPA_BLKPTRSHIFT); + int start = blkid >> shift; + int end = (blkid + nblks - 1) >> shift; + dmu_buf_impl_t *db; + int i; + + ASSERT(start < dn->dn_phys->dn_nblkptr); + bp += start; + for (i = start; i <= end; i++, bp++) { + if (BP_IS_HOLE(bp)) + continue; + rw_enter(&dn->dn_struct_rwlock, RW_READER); + VERIFY0(dbuf_hold_impl(dn, dnlevel - 1, i, + TRUE, FTAG, &db)); + rw_exit(&dn->dn_struct_rwlock); + + free_children(db, blkid, nblks, tx); + dbuf_rele(db, FTAG); + } + } + + if (trunc) { + ASSERTV(uint64_t off); + dn->dn_phys->dn_maxblkid = blkid == 0 ? 0 : blkid - 1; + + ASSERTV(off = (dn->dn_phys->dn_maxblkid + 1) * + (dn->dn_phys->dn_datablkszsec << SPA_MINBLOCKSHIFT)); + ASSERT(off < dn->dn_phys->dn_maxblkid || + dn->dn_phys->dn_maxblkid == 0 || + dnode_next_offset(dn, 0, &off, 1, 1, 0) != 0); + } +} + +typedef struct dnode_sync_free_range_arg { + dnode_t *dsfra_dnode; + dmu_tx_t *dsfra_tx; +} dnode_sync_free_range_arg_t; + +static void +dnode_sync_free_range(void *arg, uint64_t blkid, uint64_t nblks) +{ + dnode_sync_free_range_arg_t *dsfra = arg; + dnode_t *dn = dsfra->dsfra_dnode; + + mutex_exit(&dn->dn_mtx); + dnode_sync_free_range_impl(dn, blkid, nblks, dsfra->dsfra_tx); + mutex_enter(&dn->dn_mtx); +} + +/* + * Try to kick all the dnode's dbufs out of the cache... + */ +void +dnode_evict_dbufs(dnode_t *dn) +{ + dmu_buf_impl_t *db_marker; + dmu_buf_impl_t *db, *db_next; + + db_marker = kmem_alloc(sizeof (dmu_buf_impl_t), KM_SLEEP); + + mutex_enter(&dn->dn_dbufs_mtx); + for (db = avl_first(&dn->dn_dbufs); db != NULL; db = db_next) { + +#ifdef DEBUG + DB_DNODE_ENTER(db); + ASSERT3P(DB_DNODE(db), ==, dn); + DB_DNODE_EXIT(db); +#endif /* DEBUG */ + + mutex_enter(&db->db_mtx); + if (db->db_state != DB_EVICTING && + refcount_is_zero(&db->db_holds)) { + db_marker->db_level = db->db_level; + db_marker->db_blkid = db->db_blkid; + db_marker->db_state = DB_SEARCH; + avl_insert_here(&dn->dn_dbufs, db_marker, db, + AVL_BEFORE); + + dbuf_clear(db); + + db_next = AVL_NEXT(&dn->dn_dbufs, db_marker); + avl_remove(&dn->dn_dbufs, db_marker); + } else { + db->db_pending_evict = TRUE; + mutex_exit(&db->db_mtx); + db_next = AVL_NEXT(&dn->dn_dbufs, db); + } + } + mutex_exit(&dn->dn_dbufs_mtx); + + kmem_free(db_marker, sizeof (dmu_buf_impl_t)); + + dnode_evict_bonus(dn); +} + +void +dnode_evict_bonus(dnode_t *dn) +{ + rw_enter(&dn->dn_struct_rwlock, RW_WRITER); + if (dn->dn_bonus != NULL) { + if (refcount_is_zero(&dn->dn_bonus->db_holds)) { + mutex_enter(&dn->dn_bonus->db_mtx); + dbuf_evict(dn->dn_bonus); + dn->dn_bonus = NULL; + } else { + dn->dn_bonus->db_pending_evict = TRUE; + } + } + rw_exit(&dn->dn_struct_rwlock); +} + +static void +dnode_undirty_dbufs(list_t *list) +{ + dbuf_dirty_record_t *dr; + + while ((dr = list_head(list))) { + dmu_buf_impl_t *db = dr->dr_dbuf; + uint64_t txg = dr->dr_txg; + + if (db->db_level != 0) + dnode_undirty_dbufs(&dr->dt.di.dr_children); + + mutex_enter(&db->db_mtx); + /* XXX - use dbuf_undirty()? */ + list_remove(list, dr); + ASSERT(db->db_last_dirty == dr); + db->db_last_dirty = NULL; + db->db_dirtycnt -= 1; + if (db->db_level == 0) { + ASSERT(db->db_blkid == DMU_BONUS_BLKID || + dr->dt.dl.dr_data == db->db_buf); + dbuf_unoverride(dr); + } else { + mutex_destroy(&dr->dt.di.dr_mtx); + list_destroy(&dr->dt.di.dr_children); + } + kmem_free(dr, sizeof (dbuf_dirty_record_t)); + dbuf_rele_and_unlock(db, (void *)(uintptr_t)txg); + } +} + +static void +dnode_sync_free(dnode_t *dn, dmu_tx_t *tx) +{ + int txgoff = tx->tx_txg & TXG_MASK; + + ASSERT(dmu_tx_is_syncing(tx)); + + /* + * Our contents should have been freed in dnode_sync() by the + * free range record inserted by the caller of dnode_free(). + */ + ASSERT0(DN_USED_BYTES(dn->dn_phys)); + ASSERT(BP_IS_HOLE(dn->dn_phys->dn_blkptr)); + + dnode_undirty_dbufs(&dn->dn_dirty_records[txgoff]); + dnode_evict_dbufs(dn); + + /* + * XXX - It would be nice to assert this, but we may still + * have residual holds from async evictions from the arc... + * + * zfs_obj_to_path() also depends on this being + * commented out. + * + * ASSERT3U(refcount_count(&dn->dn_holds), ==, 1); + */ + + /* Undirty next bits */ + dn->dn_next_nlevels[txgoff] = 0; + dn->dn_next_indblkshift[txgoff] = 0; + dn->dn_next_blksz[txgoff] = 0; + + /* ASSERT(blkptrs are zero); */ + ASSERT(dn->dn_phys->dn_type != DMU_OT_NONE); + ASSERT(dn->dn_type != DMU_OT_NONE); + + ASSERT(dn->dn_free_txg > 0); + if (dn->dn_allocated_txg != dn->dn_free_txg) + dmu_buf_will_dirty(&dn->dn_dbuf->db, tx); + bzero(dn->dn_phys, sizeof (dnode_phys_t)); + + mutex_enter(&dn->dn_mtx); + dn->dn_type = DMU_OT_NONE; + dn->dn_maxblkid = 0; + dn->dn_allocated_txg = 0; + dn->dn_free_txg = 0; + dn->dn_have_spill = B_FALSE; + mutex_exit(&dn->dn_mtx); + + ASSERT(dn->dn_object != DMU_META_DNODE_OBJECT); + + dnode_rele(dn, (void *)(uintptr_t)tx->tx_txg); + /* + * Now that we've released our hold, the dnode may + * be evicted, so we musn't access it. + */ +} + +/* + * Write out the dnode's dirty buffers. + */ +void +dnode_sync(dnode_t *dn, dmu_tx_t *tx) +{ + dnode_phys_t *dnp = dn->dn_phys; + int txgoff = tx->tx_txg & TXG_MASK; + list_t *list = &dn->dn_dirty_records[txgoff]; + boolean_t kill_spill = B_FALSE; + boolean_t freeing_dnode; + ASSERTV(static const dnode_phys_t zerodn = { 0 }); + + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(dnp->dn_type != DMU_OT_NONE || dn->dn_allocated_txg); + ASSERT(dnp->dn_type != DMU_OT_NONE || + bcmp(dnp, &zerodn, DNODE_SIZE) == 0); + DNODE_VERIFY(dn); + + ASSERT(dn->dn_dbuf == NULL || arc_released(dn->dn_dbuf->db_buf)); + + if (dmu_objset_userused_enabled(dn->dn_objset) && + !DMU_OBJECT_IS_SPECIAL(dn->dn_object)) { + mutex_enter(&dn->dn_mtx); + dn->dn_oldused = DN_USED_BYTES(dn->dn_phys); + dn->dn_oldflags = dn->dn_phys->dn_flags; + dn->dn_phys->dn_flags |= DNODE_FLAG_USERUSED_ACCOUNTED; + mutex_exit(&dn->dn_mtx); + dmu_objset_userquota_get_ids(dn, B_FALSE, tx); + } else { + /* Once we account for it, we should always account for it. */ + ASSERT(!(dn->dn_phys->dn_flags & + DNODE_FLAG_USERUSED_ACCOUNTED)); + } + + mutex_enter(&dn->dn_mtx); + if (dn->dn_allocated_txg == tx->tx_txg) { + /* The dnode is newly allocated or reallocated */ + if (dnp->dn_type == DMU_OT_NONE) { + /* this is a first alloc, not a realloc */ + dnp->dn_nlevels = 1; + dnp->dn_nblkptr = dn->dn_nblkptr; + } + + dnp->dn_type = dn->dn_type; + dnp->dn_bonustype = dn->dn_bonustype; + dnp->dn_bonuslen = dn->dn_bonuslen; + } + ASSERT(dnp->dn_nlevels > 1 || + BP_IS_HOLE(&dnp->dn_blkptr[0]) || + BP_IS_EMBEDDED(&dnp->dn_blkptr[0]) || + BP_GET_LSIZE(&dnp->dn_blkptr[0]) == + dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); + ASSERT(dnp->dn_nlevels < 2 || + BP_IS_HOLE(&dnp->dn_blkptr[0]) || + BP_GET_LSIZE(&dnp->dn_blkptr[0]) == 1 << dnp->dn_indblkshift); + + if (dn->dn_next_type[txgoff] != 0) { + dnp->dn_type = dn->dn_type; + dn->dn_next_type[txgoff] = 0; + } + + if (dn->dn_next_blksz[txgoff] != 0) { + ASSERT(P2PHASE(dn->dn_next_blksz[txgoff], + SPA_MINBLOCKSIZE) == 0); + ASSERT(BP_IS_HOLE(&dnp->dn_blkptr[0]) || + dn->dn_maxblkid == 0 || list_head(list) != NULL || + dn->dn_next_blksz[txgoff] >> SPA_MINBLOCKSHIFT == + dnp->dn_datablkszsec || + range_tree_space(dn->dn_free_ranges[txgoff]) != 0); + dnp->dn_datablkszsec = + dn->dn_next_blksz[txgoff] >> SPA_MINBLOCKSHIFT; + dn->dn_next_blksz[txgoff] = 0; + } + + if (dn->dn_next_bonuslen[txgoff] != 0) { + if (dn->dn_next_bonuslen[txgoff] == DN_ZERO_BONUSLEN) + dnp->dn_bonuslen = 0; + else + dnp->dn_bonuslen = dn->dn_next_bonuslen[txgoff]; + ASSERT(dnp->dn_bonuslen <= DN_MAX_BONUSLEN); + dn->dn_next_bonuslen[txgoff] = 0; + } + + if (dn->dn_next_bonustype[txgoff] != 0) { + ASSERT(DMU_OT_IS_VALID(dn->dn_next_bonustype[txgoff])); + dnp->dn_bonustype = dn->dn_next_bonustype[txgoff]; + dn->dn_next_bonustype[txgoff] = 0; + } + + freeing_dnode = dn->dn_free_txg > 0 && dn->dn_free_txg <= tx->tx_txg; + + /* + * Remove the spill block if we have been explicitly asked to + * remove it, or if the object is being removed. + */ + if (dn->dn_rm_spillblk[txgoff] || freeing_dnode) { + if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) + kill_spill = B_TRUE; + dn->dn_rm_spillblk[txgoff] = 0; + } + + if (dn->dn_next_indblkshift[txgoff] != 0) { + ASSERT(dnp->dn_nlevels == 1); + dnp->dn_indblkshift = dn->dn_next_indblkshift[txgoff]; + dn->dn_next_indblkshift[txgoff] = 0; + } + + /* + * Just take the live (open-context) values for checksum and compress. + * Strictly speaking it's a future leak, but nothing bad happens if we + * start using the new checksum or compress algorithm a little early. + */ + dnp->dn_checksum = dn->dn_checksum; + dnp->dn_compress = dn->dn_compress; + + mutex_exit(&dn->dn_mtx); + + if (kill_spill) { + free_blocks(dn, &dn->dn_phys->dn_spill, 1, tx); + mutex_enter(&dn->dn_mtx); + dnp->dn_flags &= ~DNODE_FLAG_SPILL_BLKPTR; + mutex_exit(&dn->dn_mtx); + } + + /* process all the "freed" ranges in the file */ + if (dn->dn_free_ranges[txgoff] != NULL) { + dnode_sync_free_range_arg_t dsfra; + dsfra.dsfra_dnode = dn; + dsfra.dsfra_tx = tx; + mutex_enter(&dn->dn_mtx); + range_tree_vacate(dn->dn_free_ranges[txgoff], + dnode_sync_free_range, &dsfra); + range_tree_destroy(dn->dn_free_ranges[txgoff]); + dn->dn_free_ranges[txgoff] = NULL; + mutex_exit(&dn->dn_mtx); + } + + if (freeing_dnode) { + dnode_sync_free(dn, tx); + return; + } + + if (dn->dn_next_nlevels[txgoff]) { + dnode_increase_indirection(dn, tx); + dn->dn_next_nlevels[txgoff] = 0; + } + + if (dn->dn_next_nblkptr[txgoff]) { + /* this should only happen on a realloc */ + ASSERT(dn->dn_allocated_txg == tx->tx_txg); + if (dn->dn_next_nblkptr[txgoff] > dnp->dn_nblkptr) { + /* zero the new blkptrs we are gaining */ + bzero(dnp->dn_blkptr + dnp->dn_nblkptr, + sizeof (blkptr_t) * + (dn->dn_next_nblkptr[txgoff] - dnp->dn_nblkptr)); +#ifdef ZFS_DEBUG + } else { + int i; + ASSERT(dn->dn_next_nblkptr[txgoff] < dnp->dn_nblkptr); + /* the blkptrs we are losing better be unallocated */ + for (i = 0; i < dnp->dn_nblkptr; i++) { + if (i >= dn->dn_next_nblkptr[txgoff]) + ASSERT(BP_IS_HOLE(&dnp->dn_blkptr[i])); + } +#endif + } + mutex_enter(&dn->dn_mtx); + dnp->dn_nblkptr = dn->dn_next_nblkptr[txgoff]; + dn->dn_next_nblkptr[txgoff] = 0; + mutex_exit(&dn->dn_mtx); + } + + dbuf_sync_list(list, dn->dn_phys->dn_nlevels - 1, tx); + + if (!DMU_OBJECT_IS_SPECIAL(dn->dn_object)) { + ASSERT3P(list_head(list), ==, NULL); + dnode_rele(dn, (void *)(uintptr_t)tx->tx_txg); + } + + /* + * Although we have dropped our reference to the dnode, it + * can't be evicted until its written, and we haven't yet + * initiated the IO for the dnode's dbuf. + */ +} diff --git a/zfs/module/zfs/dsl_bookmark.c b/zfs/module/zfs/dsl_bookmark.c new file mode 100644 index 000000000000..447a3a2dc3a2 --- /dev/null +++ b/zfs/module/zfs/dsl_bookmark.c @@ -0,0 +1,462 @@ +/* + * CDDL HEADER START + * + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static int +dsl_bookmark_hold_ds(dsl_pool_t *dp, const char *fullname, + dsl_dataset_t **dsp, void *tag, char **shortnamep) +{ + char buf[MAXNAMELEN]; + char *hashp; + + if (strlen(fullname) >= MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + hashp = strchr(fullname, '#'); + if (hashp == NULL) + return (SET_ERROR(EINVAL)); + + *shortnamep = hashp + 1; + if (zfs_component_namecheck(*shortnamep, NULL, NULL)) + return (SET_ERROR(EINVAL)); + (void) strlcpy(buf, fullname, hashp - fullname + 1); + return (dsl_dataset_hold(dp, buf, tag, dsp)); +} + +/* + * Returns ESRCH if bookmark is not found. + */ +static int +dsl_dataset_bmark_lookup(dsl_dataset_t *ds, const char *shortname, + zfs_bookmark_phys_t *bmark_phys) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + uint64_t bmark_zapobj = ds->ds_bookmarks; + matchtype_t mt; + int err; + + if (bmark_zapobj == 0) + return (SET_ERROR(ESRCH)); + + if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET) + mt = MT_FIRST; + else + mt = MT_EXACT; + + err = zap_lookup_norm(mos, bmark_zapobj, shortname, sizeof (uint64_t), + sizeof (*bmark_phys) / sizeof (uint64_t), bmark_phys, mt, + NULL, 0, NULL); + + return (err == ENOENT ? ESRCH : err); +} + +/* + * If later_ds is non-NULL, this will return EXDEV if the the specified bookmark + * does not represents an earlier point in later_ds's timeline. + * + * Returns ENOENT if the dataset containing the bookmark does not exist. + * Returns ESRCH if the dataset exists but the bookmark was not found in it. + */ +int +dsl_bookmark_lookup(dsl_pool_t *dp, const char *fullname, + dsl_dataset_t *later_ds, zfs_bookmark_phys_t *bmp) +{ + char *shortname; + dsl_dataset_t *ds; + int error; + + error = dsl_bookmark_hold_ds(dp, fullname, &ds, FTAG, &shortname); + if (error != 0) + return (error); + + error = dsl_dataset_bmark_lookup(ds, shortname, bmp); + if (error == 0 && later_ds != NULL) { + if (!dsl_dataset_is_before(later_ds, ds, bmp->zbm_creation_txg)) + error = SET_ERROR(EXDEV); + } + dsl_dataset_rele(ds, FTAG); + return (error); +} + +typedef struct dsl_bookmark_create_arg { + nvlist_t *dbca_bmarks; + nvlist_t *dbca_errors; +} dsl_bookmark_create_arg_t; + +static int +dsl_bookmark_create_check_impl(dsl_dataset_t *snapds, const char *bookmark_name, + dmu_tx_t *tx) +{ + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *bmark_fs; + char *shortname; + int error; + zfs_bookmark_phys_t bmark_phys; + + if (!snapds->ds_is_snapshot) + return (SET_ERROR(EINVAL)); + + error = dsl_bookmark_hold_ds(dp, bookmark_name, + &bmark_fs, FTAG, &shortname); + if (error != 0) + return (error); + + if (!dsl_dataset_is_before(bmark_fs, snapds, 0)) { + dsl_dataset_rele(bmark_fs, FTAG); + return (SET_ERROR(EINVAL)); + } + + error = dsl_dataset_bmark_lookup(bmark_fs, shortname, + &bmark_phys); + dsl_dataset_rele(bmark_fs, FTAG); + if (error == 0) + return (SET_ERROR(EEXIST)); + if (error == ESRCH) + return (0); + return (error); +} + +static int +dsl_bookmark_create_check(void *arg, dmu_tx_t *tx) +{ + dsl_bookmark_create_arg_t *dbca = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + int rv = 0; + nvpair_t *pair; + + if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_BOOKMARKS)) + return (SET_ERROR(ENOTSUP)); + + for (pair = nvlist_next_nvpair(dbca->dbca_bmarks, NULL); + pair != NULL; pair = nvlist_next_nvpair(dbca->dbca_bmarks, pair)) { + dsl_dataset_t *snapds; + int error; + + /* note: validity of nvlist checked by ioctl layer */ + error = dsl_dataset_hold(dp, fnvpair_value_string(pair), + FTAG, &snapds); + if (error == 0) { + error = dsl_bookmark_create_check_impl(snapds, + nvpair_name(pair), tx); + dsl_dataset_rele(snapds, FTAG); + } + if (error != 0) { + fnvlist_add_int32(dbca->dbca_errors, + nvpair_name(pair), error); + rv = error; + } + } + + return (rv); +} + +static void +dsl_bookmark_create_sync(void *arg, dmu_tx_t *tx) +{ + dsl_bookmark_create_arg_t *dbca = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + objset_t *mos = dp->dp_meta_objset; + nvpair_t *pair; + + ASSERT(spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_BOOKMARKS)); + + for (pair = nvlist_next_nvpair(dbca->dbca_bmarks, NULL); + pair != NULL; pair = nvlist_next_nvpair(dbca->dbca_bmarks, pair)) { + dsl_dataset_t *snapds, *bmark_fs; + zfs_bookmark_phys_t bmark_phys; + char *shortname; + + VERIFY0(dsl_dataset_hold(dp, fnvpair_value_string(pair), + FTAG, &snapds)); + VERIFY0(dsl_bookmark_hold_ds(dp, nvpair_name(pair), + &bmark_fs, FTAG, &shortname)); + if (bmark_fs->ds_bookmarks == 0) { + bmark_fs->ds_bookmarks = + zap_create_norm(mos, U8_TEXTPREP_TOUPPER, + DMU_OTN_ZAP_METADATA, DMU_OT_NONE, 0, tx); + spa_feature_incr(dp->dp_spa, SPA_FEATURE_BOOKMARKS, tx); + + dsl_dataset_zapify(bmark_fs, tx); + VERIFY0(zap_add(mos, bmark_fs->ds_object, + DS_FIELD_BOOKMARK_NAMES, + sizeof (bmark_fs->ds_bookmarks), 1, + &bmark_fs->ds_bookmarks, tx)); + } + + bmark_phys.zbm_guid = dsl_dataset_phys(snapds)->ds_guid; + bmark_phys.zbm_creation_txg = + dsl_dataset_phys(snapds)->ds_creation_txg; + bmark_phys.zbm_creation_time = + dsl_dataset_phys(snapds)->ds_creation_time; + + VERIFY0(zap_add(mos, bmark_fs->ds_bookmarks, + shortname, sizeof (uint64_t), + sizeof (zfs_bookmark_phys_t) / sizeof (uint64_t), + &bmark_phys, tx)); + + spa_history_log_internal_ds(bmark_fs, "bookmark", tx, + "name=%s creation_txg=%llu target_snap=%llu", + shortname, + (longlong_t)bmark_phys.zbm_creation_txg, + (longlong_t)snapds->ds_object); + + dsl_dataset_rele(bmark_fs, FTAG); + dsl_dataset_rele(snapds, FTAG); + } +} + +/* + * The bookmarks must all be in the same pool. + */ +int +dsl_bookmark_create(nvlist_t *bmarks, nvlist_t *errors) +{ + nvpair_t *pair; + dsl_bookmark_create_arg_t dbca; + + pair = nvlist_next_nvpair(bmarks, NULL); + if (pair == NULL) + return (0); + + dbca.dbca_bmarks = bmarks; + dbca.dbca_errors = errors; + + return (dsl_sync_task(nvpair_name(pair), dsl_bookmark_create_check, + dsl_bookmark_create_sync, &dbca, + fnvlist_num_pairs(bmarks), ZFS_SPACE_CHECK_NORMAL)); +} + +int +dsl_get_bookmarks_impl(dsl_dataset_t *ds, nvlist_t *props, nvlist_t *outnvl) +{ + int err = 0; + zap_cursor_t zc; + zap_attribute_t attr; + dsl_pool_t *dp = ds->ds_dir->dd_pool; + + uint64_t bmark_zapobj = ds->ds_bookmarks; + if (bmark_zapobj == 0) + return (0); + + for (zap_cursor_init(&zc, dp->dp_meta_objset, bmark_zapobj); + zap_cursor_retrieve(&zc, &attr) == 0; + zap_cursor_advance(&zc)) { + nvlist_t *out_props; + char *bmark_name = attr.za_name; + zfs_bookmark_phys_t bmark_phys; + + err = dsl_dataset_bmark_lookup(ds, bmark_name, &bmark_phys); + ASSERT3U(err, !=, ENOENT); + if (err != 0) + break; + + out_props = fnvlist_alloc(); + if (nvlist_exists(props, + zfs_prop_to_name(ZFS_PROP_GUID))) { + dsl_prop_nvlist_add_uint64(out_props, + ZFS_PROP_GUID, bmark_phys.zbm_guid); + } + if (nvlist_exists(props, + zfs_prop_to_name(ZFS_PROP_CREATETXG))) { + dsl_prop_nvlist_add_uint64(out_props, + ZFS_PROP_CREATETXG, bmark_phys.zbm_creation_txg); + } + if (nvlist_exists(props, + zfs_prop_to_name(ZFS_PROP_CREATION))) { + dsl_prop_nvlist_add_uint64(out_props, + ZFS_PROP_CREATION, bmark_phys.zbm_creation_time); + } + + fnvlist_add_nvlist(outnvl, bmark_name, out_props); + fnvlist_free(out_props); + } + zap_cursor_fini(&zc); + return (err); +} + +/* + * Retrieve the bookmarks that exist in the specified dataset, and the + * requested properties of each bookmark. + * + * The "props" nvlist specifies which properties are requested. + * See lzc_get_bookmarks() for the list of valid properties. + */ +int +dsl_get_bookmarks(const char *dsname, nvlist_t *props, nvlist_t *outnvl) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + int err; + + err = dsl_pool_hold(dsname, FTAG, &dp); + if (err != 0) + return (err); + err = dsl_dataset_hold(dp, dsname, FTAG, &ds); + if (err != 0) { + dsl_pool_rele(dp, FTAG); + return (err); + } + + err = dsl_get_bookmarks_impl(ds, props, outnvl); + + dsl_dataset_rele(ds, FTAG); + dsl_pool_rele(dp, FTAG); + return (err); +} + +typedef struct dsl_bookmark_destroy_arg { + nvlist_t *dbda_bmarks; + nvlist_t *dbda_success; + nvlist_t *dbda_errors; +} dsl_bookmark_destroy_arg_t; + +static int +dsl_dataset_bookmark_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + uint64_t bmark_zapobj = ds->ds_bookmarks; + matchtype_t mt; + + if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET) + mt = MT_FIRST; + else + mt = MT_EXACT; + + return (zap_remove_norm(mos, bmark_zapobj, name, mt, tx)); +} + +static int +dsl_bookmark_destroy_check(void *arg, dmu_tx_t *tx) +{ + dsl_bookmark_destroy_arg_t *dbda = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + int rv = 0; + nvpair_t *pair; + + if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_BOOKMARKS)) + return (0); + + for (pair = nvlist_next_nvpair(dbda->dbda_bmarks, NULL); + pair != NULL; pair = nvlist_next_nvpair(dbda->dbda_bmarks, pair)) { + const char *fullname = nvpair_name(pair); + dsl_dataset_t *ds; + zfs_bookmark_phys_t bm; + int error; + char *shortname; + + error = dsl_bookmark_hold_ds(dp, fullname, &ds, + FTAG, &shortname); + if (error == ENOENT) { + /* ignore it; the bookmark is "already destroyed" */ + continue; + } + if (error == 0) { + error = dsl_dataset_bmark_lookup(ds, shortname, &bm); + dsl_dataset_rele(ds, FTAG); + if (error == ESRCH) { + /* + * ignore it; the bookmark is + * "already destroyed" + */ + continue; + } + } + if (error == 0) { + fnvlist_add_boolean(dbda->dbda_success, fullname); + } else { + fnvlist_add_int32(dbda->dbda_errors, fullname, error); + rv = error; + } + } + return (rv); +} + +static void +dsl_bookmark_destroy_sync(void *arg, dmu_tx_t *tx) +{ + dsl_bookmark_destroy_arg_t *dbda = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + objset_t *mos = dp->dp_meta_objset; + nvpair_t *pair; + + for (pair = nvlist_next_nvpair(dbda->dbda_success, NULL); + pair != NULL; pair = nvlist_next_nvpair(dbda->dbda_success, pair)) { + dsl_dataset_t *ds; + char *shortname; + uint64_t zap_cnt; + + VERIFY0(dsl_bookmark_hold_ds(dp, nvpair_name(pair), + &ds, FTAG, &shortname)); + VERIFY0(dsl_dataset_bookmark_remove(ds, shortname, tx)); + + /* + * If all of this dataset's bookmarks have been destroyed, + * free the zap object and decrement the feature's use count. + */ + VERIFY0(zap_count(mos, ds->ds_bookmarks, + &zap_cnt)); + if (zap_cnt == 0) { + dmu_buf_will_dirty(ds->ds_dbuf, tx); + VERIFY0(zap_destroy(mos, ds->ds_bookmarks, tx)); + ds->ds_bookmarks = 0; + spa_feature_decr(dp->dp_spa, SPA_FEATURE_BOOKMARKS, tx); + VERIFY0(zap_remove(mos, ds->ds_object, + DS_FIELD_BOOKMARK_NAMES, tx)); + } + + spa_history_log_internal_ds(ds, "remove bookmark", tx, + "name=%s", shortname); + + dsl_dataset_rele(ds, FTAG); + } +} + +/* + * The bookmarks must all be in the same pool. + */ +int +dsl_bookmark_destroy(nvlist_t *bmarks, nvlist_t *errors) +{ + int rv; + dsl_bookmark_destroy_arg_t dbda; + nvpair_t *pair = nvlist_next_nvpair(bmarks, NULL); + if (pair == NULL) + return (0); + + dbda.dbda_bmarks = bmarks; + dbda.dbda_errors = errors; + dbda.dbda_success = fnvlist_alloc(); + + rv = dsl_sync_task(nvpair_name(pair), dsl_bookmark_destroy_check, + dsl_bookmark_destroy_sync, &dbda, fnvlist_num_pairs(bmarks), + ZFS_SPACE_CHECK_RESERVED); + fnvlist_free(dbda.dbda_success); + return (rv); +} diff --git a/zfs/module/zfs/dsl_dataset.c b/zfs/module/zfs/dsl_dataset.c new file mode 100644 index 000000000000..9bbb6fae23c1 --- /dev/null +++ b/zfs/module/zfs/dsl_dataset.c @@ -0,0 +1,3428 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2014, Joyent, Inc. All rights reserved. + * Copyright (c) 2014 RackTop Systems. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * The SPA supports block sizes up to 16MB. However, very large blocks + * can have an impact on i/o latency (e.g. tying up a spinning disk for + * ~300ms), and also potentially on the memory allocator. Therefore, + * we do not allow the recordsize to be set larger than zfs_max_recordsize + * (default 1MB). Larger blocks can be created by changing this tunable, + * and pools with larger blocks can always be imported and used, regardless + * of this setting. + */ +int zfs_max_recordsize = 1 * 1024 * 1024; + +#define SWITCH64(x, y) \ + { \ + uint64_t __tmp = (x); \ + (x) = (y); \ + (y) = __tmp; \ + } + +#define DS_REF_MAX (1ULL << 62) + +extern inline dsl_dataset_phys_t *dsl_dataset_phys(dsl_dataset_t *ds); + +/* + * Figure out how much of this delta should be propogated to the dsl_dir + * layer. If there's a refreservation, that space has already been + * partially accounted for in our ancestors. + */ +static int64_t +parent_delta(dsl_dataset_t *ds, int64_t delta) +{ + dsl_dataset_phys_t *ds_phys; + uint64_t old_bytes, new_bytes; + + if (ds->ds_reserved == 0) + return (delta); + + ds_phys = dsl_dataset_phys(ds); + old_bytes = MAX(ds_phys->ds_unique_bytes, ds->ds_reserved); + new_bytes = MAX(ds_phys->ds_unique_bytes + delta, ds->ds_reserved); + + ASSERT3U(ABS((int64_t)(new_bytes - old_bytes)), <=, ABS(delta)); + return (new_bytes - old_bytes); +} + +void +dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx) +{ + int used, compressed, uncompressed; + int64_t delta; + + used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp); + compressed = BP_GET_PSIZE(bp); + uncompressed = BP_GET_UCSIZE(bp); + + dprintf_bp(bp, "ds=%p", ds); + + ASSERT(dmu_tx_is_syncing(tx)); + /* It could have been compressed away to nothing */ + if (BP_IS_HOLE(bp)) + return; + ASSERT(BP_GET_TYPE(bp) != DMU_OT_NONE); + ASSERT(DMU_OT_IS_VALID(BP_GET_TYPE(bp))); + if (ds == NULL) { + dsl_pool_mos_diduse_space(tx->tx_pool, + used, compressed, uncompressed); + return; + } + + dmu_buf_will_dirty(ds->ds_dbuf, tx); + mutex_enter(&ds->ds_lock); + delta = parent_delta(ds, used); + dsl_dataset_phys(ds)->ds_referenced_bytes += used; + dsl_dataset_phys(ds)->ds_compressed_bytes += compressed; + dsl_dataset_phys(ds)->ds_uncompressed_bytes += uncompressed; + dsl_dataset_phys(ds)->ds_unique_bytes += used; + if (BP_GET_LSIZE(bp) > SPA_OLD_MAXBLOCKSIZE) + ds->ds_need_large_blocks = B_TRUE; + mutex_exit(&ds->ds_lock); + dsl_dir_diduse_space(ds->ds_dir, DD_USED_HEAD, delta, + compressed, uncompressed, tx); + dsl_dir_transfer_space(ds->ds_dir, used - delta, + DD_USED_REFRSRV, DD_USED_HEAD, tx); +} + +int +dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx, + boolean_t async) +{ + int used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp); + int compressed = BP_GET_PSIZE(bp); + int uncompressed = BP_GET_UCSIZE(bp); + + if (BP_IS_HOLE(bp)) + return (0); + + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(bp->blk_birth <= tx->tx_txg); + + if (ds == NULL) { + dsl_free(tx->tx_pool, tx->tx_txg, bp); + dsl_pool_mos_diduse_space(tx->tx_pool, + -used, -compressed, -uncompressed); + return (used); + } + ASSERT3P(tx->tx_pool, ==, ds->ds_dir->dd_pool); + + ASSERT(!ds->ds_is_snapshot); + dmu_buf_will_dirty(ds->ds_dbuf, tx); + + if (bp->blk_birth > dsl_dataset_phys(ds)->ds_prev_snap_txg) { + int64_t delta; + + dprintf_bp(bp, "freeing ds=%llu", ds->ds_object); + dsl_free(tx->tx_pool, tx->tx_txg, bp); + + mutex_enter(&ds->ds_lock); + ASSERT(dsl_dataset_phys(ds)->ds_unique_bytes >= used || + !DS_UNIQUE_IS_ACCURATE(ds)); + delta = parent_delta(ds, -used); + dsl_dataset_phys(ds)->ds_unique_bytes -= used; + mutex_exit(&ds->ds_lock); + dsl_dir_diduse_space(ds->ds_dir, DD_USED_HEAD, + delta, -compressed, -uncompressed, tx); + dsl_dir_transfer_space(ds->ds_dir, -used - delta, + DD_USED_REFRSRV, DD_USED_HEAD, tx); + } else { + dprintf_bp(bp, "putting on dead list: %s", ""); + if (async) { + /* + * We are here as part of zio's write done callback, + * which means we're a zio interrupt thread. We can't + * call dsl_deadlist_insert() now because it may block + * waiting for I/O. Instead, put bp on the deferred + * queue and let dsl_pool_sync() finish the job. + */ + bplist_append(&ds->ds_pending_deadlist, bp); + } else { + dsl_deadlist_insert(&ds->ds_deadlist, bp, tx); + } + ASSERT3U(ds->ds_prev->ds_object, ==, + dsl_dataset_phys(ds)->ds_prev_snap_obj); + ASSERT(dsl_dataset_phys(ds->ds_prev)->ds_num_children > 0); + /* if (bp->blk_birth > prev prev snap txg) prev unique += bs */ + if (dsl_dataset_phys(ds->ds_prev)->ds_next_snap_obj == + ds->ds_object && bp->blk_birth > + dsl_dataset_phys(ds->ds_prev)->ds_prev_snap_txg) { + dmu_buf_will_dirty(ds->ds_prev->ds_dbuf, tx); + mutex_enter(&ds->ds_prev->ds_lock); + dsl_dataset_phys(ds->ds_prev)->ds_unique_bytes += used; + mutex_exit(&ds->ds_prev->ds_lock); + } + if (bp->blk_birth > ds->ds_dir->dd_origin_txg) { + dsl_dir_transfer_space(ds->ds_dir, used, + DD_USED_HEAD, DD_USED_SNAP, tx); + } + } + mutex_enter(&ds->ds_lock); + ASSERT3U(dsl_dataset_phys(ds)->ds_referenced_bytes, >=, used); + dsl_dataset_phys(ds)->ds_referenced_bytes -= used; + ASSERT3U(dsl_dataset_phys(ds)->ds_compressed_bytes, >=, compressed); + dsl_dataset_phys(ds)->ds_compressed_bytes -= compressed; + ASSERT3U(dsl_dataset_phys(ds)->ds_uncompressed_bytes, >=, uncompressed); + dsl_dataset_phys(ds)->ds_uncompressed_bytes -= uncompressed; + mutex_exit(&ds->ds_lock); + + return (used); +} + +uint64_t +dsl_dataset_prev_snap_txg(dsl_dataset_t *ds) +{ + uint64_t trysnap = 0; + + if (ds == NULL) + return (0); + /* + * The snapshot creation could fail, but that would cause an + * incorrect FALSE return, which would only result in an + * overestimation of the amount of space that an operation would + * consume, which is OK. + * + * There's also a small window where we could miss a pending + * snapshot, because we could set the sync task in the quiescing + * phase. So this should only be used as a guess. + */ + if (ds->ds_trysnap_txg > + spa_last_synced_txg(ds->ds_dir->dd_pool->dp_spa)) + trysnap = ds->ds_trysnap_txg; + return (MAX(dsl_dataset_phys(ds)->ds_prev_snap_txg, trysnap)); +} + +boolean_t +dsl_dataset_block_freeable(dsl_dataset_t *ds, const blkptr_t *bp, + uint64_t blk_birth) +{ + if (blk_birth <= dsl_dataset_prev_snap_txg(ds) || + (bp != NULL && BP_IS_HOLE(bp))) + return (B_FALSE); + + ddt_prefetch(dsl_dataset_get_spa(ds), bp); + + return (B_TRUE); +} + +static void +dsl_dataset_evict(void *dbu) +{ + dsl_dataset_t *ds = dbu; + + ASSERT(ds->ds_owner == NULL); + + ds->ds_dbuf = NULL; + + unique_remove(ds->ds_fsid_guid); + + if (ds->ds_objset != NULL) + dmu_objset_evict(ds->ds_objset); + + if (ds->ds_prev) { + dsl_dataset_rele(ds->ds_prev, ds); + ds->ds_prev = NULL; + } + + bplist_destroy(&ds->ds_pending_deadlist); + if (ds->ds_deadlist.dl_os != NULL) + dsl_deadlist_close(&ds->ds_deadlist); + if (ds->ds_dir) + dsl_dir_async_rele(ds->ds_dir, ds); + + ASSERT(!list_link_active(&ds->ds_synced_link)); + + mutex_destroy(&ds->ds_lock); + mutex_destroy(&ds->ds_opening_lock); + mutex_destroy(&ds->ds_sendstream_lock); + refcount_destroy(&ds->ds_longholds); + + kmem_free(ds, sizeof (dsl_dataset_t)); +} + +int +dsl_dataset_get_snapname(dsl_dataset_t *ds) +{ + dsl_dataset_phys_t *headphys; + int err; + dmu_buf_t *headdbuf; + dsl_pool_t *dp = ds->ds_dir->dd_pool; + objset_t *mos = dp->dp_meta_objset; + + if (ds->ds_snapname[0]) + return (0); + if (dsl_dataset_phys(ds)->ds_next_snap_obj == 0) + return (0); + + err = dmu_bonus_hold(mos, dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj, + FTAG, &headdbuf); + if (err != 0) + return (err); + headphys = headdbuf->db_data; + err = zap_value_search(dp->dp_meta_objset, + headphys->ds_snapnames_zapobj, ds->ds_object, 0, ds->ds_snapname); + if (err != 0 && zfs_recover == B_TRUE) { + err = 0; + (void) snprintf(ds->ds_snapname, sizeof (ds->ds_snapname), + "SNAPOBJ=%llu-ERR=%d", + (unsigned long long)ds->ds_object, err); + } + dmu_buf_rele(headdbuf, FTAG); + return (err); +} + +int +dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, uint64_t *value) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + uint64_t snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj; + matchtype_t mt; + int err; + + if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET) + mt = MT_FIRST; + else + mt = MT_EXACT; + + err = zap_lookup_norm(mos, snapobj, name, 8, 1, + value, mt, NULL, 0, NULL); + if (err == ENOTSUP && mt == MT_FIRST) + err = zap_lookup(mos, snapobj, name, 8, 1, value); + return (err); +} + +int +dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx, + boolean_t adj_cnt) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + uint64_t snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj; + matchtype_t mt; + int err; + + dsl_dir_snap_cmtime_update(ds->ds_dir); + + if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET) + mt = MT_FIRST; + else + mt = MT_EXACT; + + err = zap_remove_norm(mos, snapobj, name, mt, tx); + if (err == ENOTSUP && mt == MT_FIRST) + err = zap_remove(mos, snapobj, name, tx); + + if (err == 0 && adj_cnt) + dsl_fs_ss_count_adjust(ds->ds_dir, -1, + DD_FIELD_SNAPSHOT_COUNT, tx); + + return (err); +} + +boolean_t +dsl_dataset_try_add_ref(dsl_pool_t *dp, dsl_dataset_t *ds, void *tag) +{ + dmu_buf_t *dbuf = ds->ds_dbuf; + boolean_t result = B_FALSE; + + if (dbuf != NULL && dmu_buf_try_add_ref(dbuf, dp->dp_meta_objset, + ds->ds_object, DMU_BONUS_BLKID, tag)) { + + if (ds == dmu_buf_get_user(dbuf)) + result = B_TRUE; + else + dmu_buf_rele(dbuf, tag); + } + + return (result); +} + +int +dsl_dataset_hold_obj(dsl_pool_t *dp, uint64_t dsobj, void *tag, + dsl_dataset_t **dsp) +{ + objset_t *mos = dp->dp_meta_objset; + dmu_buf_t *dbuf; + dsl_dataset_t *ds; + int err; + dmu_object_info_t doi; + + ASSERT(dsl_pool_config_held(dp)); + + err = dmu_bonus_hold(mos, dsobj, tag, &dbuf); + if (err != 0) + return (err); + + /* Make sure dsobj has the correct object type. */ + dmu_object_info_from_db(dbuf, &doi); + if (doi.doi_bonus_type != DMU_OT_DSL_DATASET) { + dmu_buf_rele(dbuf, tag); + return (SET_ERROR(EINVAL)); + } + + ds = dmu_buf_get_user(dbuf); + if (ds == NULL) { + dsl_dataset_t *winner = NULL; + + ds = kmem_zalloc(sizeof (dsl_dataset_t), KM_SLEEP); + ds->ds_dbuf = dbuf; + ds->ds_object = dsobj; + ds->ds_is_snapshot = dsl_dataset_phys(ds)->ds_num_children != 0; + list_link_init(&ds->ds_synced_link); + + mutex_init(&ds->ds_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&ds->ds_opening_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&ds->ds_sendstream_lock, NULL, MUTEX_DEFAULT, NULL); + refcount_create(&ds->ds_longholds); + + bplist_create(&ds->ds_pending_deadlist); + dsl_deadlist_open(&ds->ds_deadlist, + mos, dsl_dataset_phys(ds)->ds_deadlist_obj); + + list_create(&ds->ds_sendstreams, sizeof (dmu_sendarg_t), + offsetof(dmu_sendarg_t, dsa_link)); + + if (doi.doi_type == DMU_OTN_ZAP_METADATA) { + int zaperr = zap_contains(mos, dsobj, + DS_FIELD_LARGE_BLOCKS); + if (zaperr != ENOENT) { + VERIFY0(zaperr); + ds->ds_large_blocks = B_TRUE; + } + } + + if (err == 0) { + err = dsl_dir_hold_obj(dp, + dsl_dataset_phys(ds)->ds_dir_obj, NULL, ds, + &ds->ds_dir); + } + if (err != 0) { + mutex_destroy(&ds->ds_lock); + mutex_destroy(&ds->ds_opening_lock); + mutex_destroy(&ds->ds_sendstream_lock); + refcount_destroy(&ds->ds_longholds); + bplist_destroy(&ds->ds_pending_deadlist); + dsl_deadlist_close(&ds->ds_deadlist); + kmem_free(ds, sizeof (dsl_dataset_t)); + dmu_buf_rele(dbuf, tag); + return (err); + } + + if (!ds->ds_is_snapshot) { + ds->ds_snapname[0] = '\0'; + if (dsl_dataset_phys(ds)->ds_prev_snap_obj != 0) { + err = dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, + ds, &ds->ds_prev); + } + if (doi.doi_type == DMU_OTN_ZAP_METADATA) { + int zaperr = zap_lookup(mos, ds->ds_object, + DS_FIELD_BOOKMARK_NAMES, + sizeof (ds->ds_bookmarks), 1, + &ds->ds_bookmarks); + if (zaperr != ENOENT) + VERIFY0(zaperr); + } + } else { + if (zfs_flags & ZFS_DEBUG_SNAPNAMES) + err = dsl_dataset_get_snapname(ds); + if (err == 0 && + dsl_dataset_phys(ds)->ds_userrefs_obj != 0) { + err = zap_count( + ds->ds_dir->dd_pool->dp_meta_objset, + dsl_dataset_phys(ds)->ds_userrefs_obj, + &ds->ds_userrefs); + } + } + + if (err == 0 && !ds->ds_is_snapshot) { + err = dsl_prop_get_int_ds(ds, + zfs_prop_to_name(ZFS_PROP_REFRESERVATION), + &ds->ds_reserved); + if (err == 0) { + err = dsl_prop_get_int_ds(ds, + zfs_prop_to_name(ZFS_PROP_REFQUOTA), + &ds->ds_quota); + } + } else { + ds->ds_reserved = ds->ds_quota = 0; + } + + dmu_buf_init_user(&ds->ds_dbu, dsl_dataset_evict, &ds->ds_dbuf); + if (err == 0) + winner = dmu_buf_set_user_ie(dbuf, &ds->ds_dbu); + + if (err != 0 || winner != NULL) { + bplist_destroy(&ds->ds_pending_deadlist); + dsl_deadlist_close(&ds->ds_deadlist); + if (ds->ds_prev) + dsl_dataset_rele(ds->ds_prev, ds); + dsl_dir_rele(ds->ds_dir, ds); + mutex_destroy(&ds->ds_lock); + mutex_destroy(&ds->ds_opening_lock); + mutex_destroy(&ds->ds_sendstream_lock); + refcount_destroy(&ds->ds_longholds); + kmem_free(ds, sizeof (dsl_dataset_t)); + if (err != 0) { + dmu_buf_rele(dbuf, tag); + return (err); + } + ds = winner; + } else { + ds->ds_fsid_guid = + unique_insert(dsl_dataset_phys(ds)->ds_fsid_guid); + } + } + ASSERT3P(ds->ds_dbuf, ==, dbuf); + ASSERT3P(dsl_dataset_phys(ds), ==, dbuf->db_data); + ASSERT(dsl_dataset_phys(ds)->ds_prev_snap_obj != 0 || + spa_version(dp->dp_spa) < SPA_VERSION_ORIGIN || + dp->dp_origin_snap == NULL || ds == dp->dp_origin_snap); + *dsp = ds; + return (0); +} + +int +dsl_dataset_hold(dsl_pool_t *dp, const char *name, + void *tag, dsl_dataset_t **dsp) +{ + dsl_dir_t *dd; + const char *snapname; + uint64_t obj; + int err = 0; + + err = dsl_dir_hold(dp, name, FTAG, &dd, &snapname); + if (err != 0) + return (err); + + ASSERT(dsl_pool_config_held(dp)); + obj = dsl_dir_phys(dd)->dd_head_dataset_obj; + if (obj != 0) + err = dsl_dataset_hold_obj(dp, obj, tag, dsp); + else + err = SET_ERROR(ENOENT); + + /* we may be looking for a snapshot */ + if (err == 0 && snapname != NULL) { + dsl_dataset_t *ds; + + if (*snapname++ != '@') { + dsl_dataset_rele(*dsp, tag); + dsl_dir_rele(dd, FTAG); + return (SET_ERROR(ENOENT)); + } + + dprintf("looking for snapshot '%s'\n", snapname); + err = dsl_dataset_snap_lookup(*dsp, snapname, &obj); + if (err == 0) + err = dsl_dataset_hold_obj(dp, obj, tag, &ds); + dsl_dataset_rele(*dsp, tag); + + if (err == 0) { + mutex_enter(&ds->ds_lock); + if (ds->ds_snapname[0] == 0) + (void) strlcpy(ds->ds_snapname, snapname, + sizeof (ds->ds_snapname)); + mutex_exit(&ds->ds_lock); + *dsp = ds; + } + } + + dsl_dir_rele(dd, FTAG); + return (err); +} + +int +dsl_dataset_own_obj(dsl_pool_t *dp, uint64_t dsobj, + void *tag, dsl_dataset_t **dsp) +{ + int err = dsl_dataset_hold_obj(dp, dsobj, tag, dsp); + if (err != 0) + return (err); + if (!dsl_dataset_tryown(*dsp, tag)) { + dsl_dataset_rele(*dsp, tag); + *dsp = NULL; + return (SET_ERROR(EBUSY)); + } + return (0); +} + +int +dsl_dataset_own(dsl_pool_t *dp, const char *name, + void *tag, dsl_dataset_t **dsp) +{ + int err = dsl_dataset_hold(dp, name, tag, dsp); + if (err != 0) + return (err); + if (!dsl_dataset_tryown(*dsp, tag)) { + dsl_dataset_rele(*dsp, tag); + return (SET_ERROR(EBUSY)); + } + return (0); +} + +/* + * See the comment above dsl_pool_hold() for details. In summary, a long + * hold is used to prevent destruction of a dataset while the pool hold + * is dropped, allowing other concurrent operations (e.g. spa_sync()). + * + * The dataset and pool must be held when this function is called. After it + * is called, the pool hold may be released while the dataset is still held + * and accessed. + */ +void +dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag) +{ + ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool)); + (void) refcount_add(&ds->ds_longholds, tag); +} + +void +dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag) +{ + (void) refcount_remove(&ds->ds_longholds, tag); +} + +/* Return B_TRUE if there are any long holds on this dataset. */ +boolean_t +dsl_dataset_long_held(dsl_dataset_t *ds) +{ + return (!refcount_is_zero(&ds->ds_longholds)); +} + +void +dsl_dataset_name(dsl_dataset_t *ds, char *name) +{ + if (ds == NULL) { + (void) strcpy(name, "mos"); + } else { + dsl_dir_name(ds->ds_dir, name); + VERIFY0(dsl_dataset_get_snapname(ds)); + if (ds->ds_snapname[0]) { + (void) strcat(name, "@"); + /* + * We use a "recursive" mutex so that we + * can call dprintf_ds() with ds_lock held. + */ + if (!MUTEX_HELD(&ds->ds_lock)) { + mutex_enter(&ds->ds_lock); + (void) strcat(name, ds->ds_snapname); + mutex_exit(&ds->ds_lock); + } else { + (void) strcat(name, ds->ds_snapname); + } + } + } +} + +int +dsl_dataset_namelen(dsl_dataset_t *ds) +{ + int len; + VERIFY0(dsl_dataset_get_snapname(ds)); + mutex_enter(&ds->ds_lock); + len = strlen(ds->ds_snapname); + /* add '@' if ds is a snap */ + if (len > 0) + len++; + len += dsl_dir_namelen(ds->ds_dir); + mutex_exit(&ds->ds_lock); + return (len); +} + +void +dsl_dataset_rele(dsl_dataset_t *ds, void *tag) +{ + dmu_buf_rele(ds->ds_dbuf, tag); +} + +void +dsl_dataset_disown(dsl_dataset_t *ds, void *tag) +{ + ASSERT3P(ds->ds_owner, ==, tag); + ASSERT(ds->ds_dbuf != NULL); + + mutex_enter(&ds->ds_lock); + ds->ds_owner = NULL; + mutex_exit(&ds->ds_lock); + dsl_dataset_long_rele(ds, tag); + dsl_dataset_rele(ds, tag); +} + +boolean_t +dsl_dataset_tryown(dsl_dataset_t *ds, void *tag) +{ + boolean_t gotit = FALSE; + + mutex_enter(&ds->ds_lock); + if (ds->ds_owner == NULL && !DS_IS_INCONSISTENT(ds)) { + ds->ds_owner = tag; + dsl_dataset_long_hold(ds, tag); + gotit = TRUE; + } + mutex_exit(&ds->ds_lock); + return (gotit); +} + +uint64_t +dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin, + uint64_t flags, dmu_tx_t *tx) +{ + dsl_pool_t *dp = dd->dd_pool; + dmu_buf_t *dbuf; + dsl_dataset_phys_t *dsphys; + uint64_t dsobj; + objset_t *mos = dp->dp_meta_objset; + + if (origin == NULL) + origin = dp->dp_origin_snap; + + ASSERT(origin == NULL || origin->ds_dir->dd_pool == dp); + ASSERT(origin == NULL || dsl_dataset_phys(origin)->ds_num_children > 0); + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(dsl_dir_phys(dd)->dd_head_dataset_obj == 0); + + dsobj = dmu_object_alloc(mos, DMU_OT_DSL_DATASET, 0, + DMU_OT_DSL_DATASET, sizeof (dsl_dataset_phys_t), tx); + VERIFY0(dmu_bonus_hold(mos, dsobj, FTAG, &dbuf)); + dmu_buf_will_dirty(dbuf, tx); + dsphys = dbuf->db_data; + bzero(dsphys, sizeof (dsl_dataset_phys_t)); + dsphys->ds_dir_obj = dd->dd_object; + dsphys->ds_flags = flags; + dsphys->ds_fsid_guid = unique_create(); + (void) random_get_pseudo_bytes((void*)&dsphys->ds_guid, + sizeof (dsphys->ds_guid)); + dsphys->ds_snapnames_zapobj = + zap_create_norm(mos, U8_TEXTPREP_TOUPPER, DMU_OT_DSL_DS_SNAP_MAP, + DMU_OT_NONE, 0, tx); + dsphys->ds_creation_time = gethrestime_sec(); + dsphys->ds_creation_txg = tx->tx_txg == TXG_INITIAL ? 1 : tx->tx_txg; + + if (origin == NULL) { + dsphys->ds_deadlist_obj = dsl_deadlist_alloc(mos, tx); + } else { + dsl_dataset_t *ohds; /* head of the origin snapshot */ + + dsphys->ds_prev_snap_obj = origin->ds_object; + dsphys->ds_prev_snap_txg = + dsl_dataset_phys(origin)->ds_creation_txg; + dsphys->ds_referenced_bytes = + dsl_dataset_phys(origin)->ds_referenced_bytes; + dsphys->ds_compressed_bytes = + dsl_dataset_phys(origin)->ds_compressed_bytes; + dsphys->ds_uncompressed_bytes = + dsl_dataset_phys(origin)->ds_uncompressed_bytes; + dsphys->ds_bp = dsl_dataset_phys(origin)->ds_bp; + + /* + * Inherit flags that describe the dataset's contents + * (INCONSISTENT) or properties (Case Insensitive). + */ + dsphys->ds_flags |= dsl_dataset_phys(origin)->ds_flags & + (DS_FLAG_INCONSISTENT | DS_FLAG_CI_DATASET); + + if (origin->ds_large_blocks) + dsl_dataset_activate_large_blocks_sync_impl(dsobj, tx); + + dmu_buf_will_dirty(origin->ds_dbuf, tx); + dsl_dataset_phys(origin)->ds_num_children++; + + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dir_phys(origin->ds_dir)->dd_head_dataset_obj, + FTAG, &ohds)); + dsphys->ds_deadlist_obj = dsl_deadlist_clone(&ohds->ds_deadlist, + dsphys->ds_prev_snap_txg, dsphys->ds_prev_snap_obj, tx); + dsl_dataset_rele(ohds, FTAG); + + if (spa_version(dp->dp_spa) >= SPA_VERSION_NEXT_CLONES) { + if (dsl_dataset_phys(origin)->ds_next_clones_obj == 0) { + dsl_dataset_phys(origin)->ds_next_clones_obj = + zap_create(mos, + DMU_OT_NEXT_CLONES, DMU_OT_NONE, 0, tx); + } + VERIFY0(zap_add_int(mos, + dsl_dataset_phys(origin)->ds_next_clones_obj, + dsobj, tx)); + } + + dmu_buf_will_dirty(dd->dd_dbuf, tx); + dsl_dir_phys(dd)->dd_origin_obj = origin->ds_object; + if (spa_version(dp->dp_spa) >= SPA_VERSION_DIR_CLONES) { + if (dsl_dir_phys(origin->ds_dir)->dd_clones == 0) { + dmu_buf_will_dirty(origin->ds_dir->dd_dbuf, tx); + dsl_dir_phys(origin->ds_dir)->dd_clones = + zap_create(mos, + DMU_OT_DSL_CLONES, DMU_OT_NONE, 0, tx); + } + VERIFY0(zap_add_int(mos, + dsl_dir_phys(origin->ds_dir)->dd_clones, + dsobj, tx)); + } + } + + if (spa_version(dp->dp_spa) >= SPA_VERSION_UNIQUE_ACCURATE) + dsphys->ds_flags |= DS_FLAG_UNIQUE_ACCURATE; + + dmu_buf_rele(dbuf, FTAG); + + dmu_buf_will_dirty(dd->dd_dbuf, tx); + dsl_dir_phys(dd)->dd_head_dataset_obj = dsobj; + + return (dsobj); +} + +static void +dsl_dataset_zero_zil(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + objset_t *os; + + VERIFY0(dmu_objset_from_ds(ds, &os)); + bzero(&os->os_zil_header, sizeof (os->os_zil_header)); + dsl_dataset_dirty(ds, tx); +} + +uint64_t +dsl_dataset_create_sync(dsl_dir_t *pdd, const char *lastname, + dsl_dataset_t *origin, uint64_t flags, cred_t *cr, dmu_tx_t *tx) +{ + dsl_pool_t *dp = pdd->dd_pool; + uint64_t dsobj, ddobj; + dsl_dir_t *dd; + + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(lastname[0] != '@'); + + ddobj = dsl_dir_create_sync(dp, pdd, lastname, tx); + VERIFY0(dsl_dir_hold_obj(dp, ddobj, lastname, FTAG, &dd)); + + dsobj = dsl_dataset_create_sync_dd(dd, origin, + flags & ~DS_CREATE_FLAG_NODIRTY, tx); + + dsl_deleg_set_create_perms(dd, tx, cr); + + /* + * Since we're creating a new node we know it's a leaf, so we can + * initialize the counts if the limit feature is active. + */ + if (spa_feature_is_active(dp->dp_spa, SPA_FEATURE_FS_SS_LIMIT)) { + uint64_t cnt = 0; + objset_t *os = dd->dd_pool->dp_meta_objset; + + dsl_dir_zapify(dd, tx); + VERIFY0(zap_add(os, dd->dd_object, DD_FIELD_FILESYSTEM_COUNT, + sizeof (cnt), 1, &cnt, tx)); + VERIFY0(zap_add(os, dd->dd_object, DD_FIELD_SNAPSHOT_COUNT, + sizeof (cnt), 1, &cnt, tx)); + } + + dsl_dir_rele(dd, FTAG); + + /* + * If we are creating a clone, make sure we zero out any stale + * data from the origin snapshots zil header. + */ + if (origin != NULL && !(flags & DS_CREATE_FLAG_NODIRTY)) { + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds)); + dsl_dataset_zero_zil(ds, tx); + dsl_dataset_rele(ds, FTAG); + } + + return (dsobj); +} + +/* + * The unique space in the head dataset can be calculated by subtracting + * the space used in the most recent snapshot, that is still being used + * in this file system, from the space currently in use. To figure out + * the space in the most recent snapshot still in use, we need to take + * the total space used in the snapshot and subtract out the space that + * has been freed up since the snapshot was taken. + */ +void +dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds) +{ + uint64_t mrs_used; + uint64_t dlused, dlcomp, dluncomp; + + ASSERT(!ds->ds_is_snapshot); + + if (dsl_dataset_phys(ds)->ds_prev_snap_obj != 0) + mrs_used = dsl_dataset_phys(ds->ds_prev)->ds_referenced_bytes; + else + mrs_used = 0; + + dsl_deadlist_space(&ds->ds_deadlist, &dlused, &dlcomp, &dluncomp); + + ASSERT3U(dlused, <=, mrs_used); + dsl_dataset_phys(ds)->ds_unique_bytes = + dsl_dataset_phys(ds)->ds_referenced_bytes - (mrs_used - dlused); + + if (spa_version(ds->ds_dir->dd_pool->dp_spa) >= + SPA_VERSION_UNIQUE_ACCURATE) + dsl_dataset_phys(ds)->ds_flags |= DS_FLAG_UNIQUE_ACCURATE; +} + +void +dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj, + dmu_tx_t *tx) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + int err; + ASSERTV(uint64_t count); + + ASSERT(dsl_dataset_phys(ds)->ds_num_children >= 2); + err = zap_remove_int(mos, dsl_dataset_phys(ds)->ds_next_clones_obj, + obj, tx); + /* + * The err should not be ENOENT, but a bug in a previous version + * of the code could cause upgrade_clones_cb() to not set + * ds_next_snap_obj when it should, leading to a missing entry. + * If we knew that the pool was created after + * SPA_VERSION_NEXT_CLONES, we could assert that it isn't + * ENOENT. However, at least we can check that we don't have + * too many entries in the next_clones_obj even after failing to + * remove this one. + */ + if (err != ENOENT) + VERIFY0(err); + ASSERT0(zap_count(mos, dsl_dataset_phys(ds)->ds_next_clones_obj, + &count)); + ASSERT3U(count, <=, dsl_dataset_phys(ds)->ds_num_children - 2); +} + + +blkptr_t * +dsl_dataset_get_blkptr(dsl_dataset_t *ds) +{ + return (&dsl_dataset_phys(ds)->ds_bp); +} + +void +dsl_dataset_set_blkptr(dsl_dataset_t *ds, blkptr_t *bp, dmu_tx_t *tx) +{ + ASSERT(dmu_tx_is_syncing(tx)); + /* If it's the meta-objset, set dp_meta_rootbp */ + if (ds == NULL) { + tx->tx_pool->dp_meta_rootbp = *bp; + } else { + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_bp = *bp; + } +} + +spa_t * +dsl_dataset_get_spa(dsl_dataset_t *ds) +{ + return (ds->ds_dir->dd_pool->dp_spa); +} + +void +dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + dsl_pool_t *dp; + + if (ds == NULL) /* this is the meta-objset */ + return; + + ASSERT(ds->ds_objset != NULL); + + if (dsl_dataset_phys(ds)->ds_next_snap_obj != 0) + panic("dirtying snapshot!"); + + dp = ds->ds_dir->dd_pool; + + if (txg_list_add(&dp->dp_dirty_datasets, ds, tx->tx_txg)) { + /* up the hold count until we can be written out */ + dmu_buf_add_ref(ds->ds_dbuf, ds); + } +} + +boolean_t +dsl_dataset_is_dirty(dsl_dataset_t *ds) +{ + int t; + + for (t = 0; t < TXG_SIZE; t++) { + if (txg_list_member(&ds->ds_dir->dd_pool->dp_dirty_datasets, + ds, t)) + return (B_TRUE); + } + return (B_FALSE); +} + +static int +dsl_dataset_snapshot_reserve_space(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + uint64_t asize; + + if (!dmu_tx_is_syncing(tx)) + return (0); + + /* + * If there's an fs-only reservation, any blocks that might become + * owned by the snapshot dataset must be accommodated by space + * outside of the reservation. + */ + ASSERT(ds->ds_reserved == 0 || DS_UNIQUE_IS_ACCURATE(ds)); + asize = MIN(dsl_dataset_phys(ds)->ds_unique_bytes, ds->ds_reserved); + if (asize > dsl_dir_space_available(ds->ds_dir, NULL, 0, TRUE)) + return (SET_ERROR(ENOSPC)); + + /* + * Propagate any reserved space for this snapshot to other + * snapshot checks in this sync group. + */ + if (asize > 0) + dsl_dir_willuse_space(ds->ds_dir, asize, tx); + + return (0); +} + +typedef struct dsl_dataset_snapshot_arg { + nvlist_t *ddsa_snaps; + nvlist_t *ddsa_props; + nvlist_t *ddsa_errors; + cred_t *ddsa_cr; +} dsl_dataset_snapshot_arg_t; + +int +dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname, + dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr) +{ + int error; + uint64_t value; + + ds->ds_trysnap_txg = tx->tx_txg; + + if (!dmu_tx_is_syncing(tx)) + return (0); + + /* + * We don't allow multiple snapshots of the same txg. If there + * is already one, try again. + */ + if (dsl_dataset_phys(ds)->ds_prev_snap_txg >= tx->tx_txg) + return (SET_ERROR(EAGAIN)); + + /* + * Check for conflicting snapshot name. + */ + error = dsl_dataset_snap_lookup(ds, snapname, &value); + if (error == 0) + return (SET_ERROR(EEXIST)); + if (error != ENOENT) + return (error); + + /* + * We don't allow taking snapshots of inconsistent datasets, such as + * those into which we are currently receiving. However, if we are + * creating this snapshot as part of a receive, this check will be + * executed atomically with respect to the completion of the receive + * itself but prior to the clearing of DS_FLAG_INCONSISTENT; in this + * case we ignore this, knowing it will be fixed up for us shortly in + * dmu_recv_end_sync(). + */ + if (!recv && DS_IS_INCONSISTENT(ds)) + return (SET_ERROR(EBUSY)); + + /* + * Skip the check for temporary snapshots or if we have already checked + * the counts in dsl_dataset_snapshot_check. This means we really only + * check the count here when we're receiving a stream. + */ + if (cnt != 0 && cr != NULL) { + error = dsl_fs_ss_limit_check(ds->ds_dir, cnt, + ZFS_PROP_SNAPSHOT_LIMIT, NULL, cr); + if (error != 0) + return (error); + } + + error = dsl_dataset_snapshot_reserve_space(ds, tx); + if (error != 0) + return (error); + + return (0); +} + +static int +dsl_dataset_snapshot_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_snapshot_arg_t *ddsa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + nvpair_t *pair; + int rv = 0; + + /* + * Pre-compute how many total new snapshots will be created for each + * level in the tree and below. This is needed for validating the + * snapshot limit when either taking a recursive snapshot or when + * taking multiple snapshots. + * + * The problem is that the counts are not actually adjusted when + * we are checking, only when we finally sync. For a single snapshot, + * this is easy, the count will increase by 1 at each node up the tree, + * but its more complicated for the recursive/multiple snapshot case. + * + * The dsl_fs_ss_limit_check function does recursively check the count + * at each level up the tree but since it is validating each snapshot + * independently we need to be sure that we are validating the complete + * count for the entire set of snapshots. We do this by rolling up the + * counts for each component of the name into an nvlist and then + * checking each of those cases with the aggregated count. + * + * This approach properly handles not only the recursive snapshot + * case (where we get all of those on the ddsa_snaps list) but also + * the sibling case (e.g. snapshot a/b and a/c so that we will also + * validate the limit on 'a' using a count of 2). + * + * We validate the snapshot names in the third loop and only report + * name errors once. + */ + if (dmu_tx_is_syncing(tx)) { + char *nm; + nvlist_t *cnt_track = NULL; + cnt_track = fnvlist_alloc(); + + nm = kmem_alloc(MAXPATHLEN, KM_SLEEP); + + /* Rollup aggregated counts into the cnt_track list */ + for (pair = nvlist_next_nvpair(ddsa->ddsa_snaps, NULL); + pair != NULL; + pair = nvlist_next_nvpair(ddsa->ddsa_snaps, pair)) { + char *pdelim; + uint64_t val; + + (void) strlcpy(nm, nvpair_name(pair), MAXPATHLEN); + pdelim = strchr(nm, '@'); + if (pdelim == NULL) + continue; + *pdelim = '\0'; + + do { + if (nvlist_lookup_uint64(cnt_track, nm, + &val) == 0) { + /* update existing entry */ + fnvlist_add_uint64(cnt_track, nm, + val + 1); + } else { + /* add to list */ + fnvlist_add_uint64(cnt_track, nm, 1); + } + + pdelim = strrchr(nm, '/'); + if (pdelim != NULL) + *pdelim = '\0'; + } while (pdelim != NULL); + } + + kmem_free(nm, MAXPATHLEN); + + /* Check aggregated counts at each level */ + for (pair = nvlist_next_nvpair(cnt_track, NULL); + pair != NULL; pair = nvlist_next_nvpair(cnt_track, pair)) { + int error = 0; + char *name; + uint64_t cnt = 0; + dsl_dataset_t *ds; + + name = nvpair_name(pair); + cnt = fnvpair_value_uint64(pair); + ASSERT(cnt > 0); + + error = dsl_dataset_hold(dp, name, FTAG, &ds); + if (error == 0) { + error = dsl_fs_ss_limit_check(ds->ds_dir, cnt, + ZFS_PROP_SNAPSHOT_LIMIT, NULL, + ddsa->ddsa_cr); + dsl_dataset_rele(ds, FTAG); + } + + if (error != 0) { + if (ddsa->ddsa_errors != NULL) + fnvlist_add_int32(ddsa->ddsa_errors, + name, error); + rv = error; + /* only report one error for this check */ + break; + } + } + nvlist_free(cnt_track); + } + + for (pair = nvlist_next_nvpair(ddsa->ddsa_snaps, NULL); + pair != NULL; pair = nvlist_next_nvpair(ddsa->ddsa_snaps, pair)) { + int error = 0; + dsl_dataset_t *ds; + char *name, *atp; + char dsname[MAXNAMELEN]; + + name = nvpair_name(pair); + if (strlen(name) >= MAXNAMELEN) + error = SET_ERROR(ENAMETOOLONG); + if (error == 0) { + atp = strchr(name, '@'); + if (atp == NULL) + error = SET_ERROR(EINVAL); + if (error == 0) + (void) strlcpy(dsname, name, atp - name + 1); + } + if (error == 0) + error = dsl_dataset_hold(dp, dsname, FTAG, &ds); + if (error == 0) { + /* passing 0/NULL skips dsl_fs_ss_limit_check */ + error = dsl_dataset_snapshot_check_impl(ds, + atp + 1, tx, B_FALSE, 0, NULL); + dsl_dataset_rele(ds, FTAG); + } + + if (error != 0) { + if (ddsa->ddsa_errors != NULL) { + fnvlist_add_int32(ddsa->ddsa_errors, + name, error); + } + rv = error; + } + } + + return (rv); +} + +void +dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname, + dmu_tx_t *tx) +{ + dsl_pool_t *dp = ds->ds_dir->dd_pool; + dmu_buf_t *dbuf; + dsl_dataset_phys_t *dsphys; + uint64_t dsobj, crtxg; + objset_t *mos = dp->dp_meta_objset; + ASSERTV(static zil_header_t zero_zil); + ASSERTV(objset_t *os); + + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + + /* + * If we are on an old pool, the zil must not be active, in which + * case it will be zeroed. Usually zil_suspend() accomplishes this. + */ + ASSERT(spa_version(dmu_tx_pool(tx)->dp_spa) >= SPA_VERSION_FAST_SNAP || + dmu_objset_from_ds(ds, &os) != 0 || + bcmp(&os->os_phys->os_zil_header, &zero_zil, + sizeof (zero_zil)) == 0); + + dsl_fs_ss_count_adjust(ds->ds_dir, 1, DD_FIELD_SNAPSHOT_COUNT, tx); + + /* + * The origin's ds_creation_txg has to be < TXG_INITIAL + */ + if (strcmp(snapname, ORIGIN_DIR_NAME) == 0) + crtxg = 1; + else + crtxg = tx->tx_txg; + + dsobj = dmu_object_alloc(mos, DMU_OT_DSL_DATASET, 0, + DMU_OT_DSL_DATASET, sizeof (dsl_dataset_phys_t), tx); + VERIFY0(dmu_bonus_hold(mos, dsobj, FTAG, &dbuf)); + dmu_buf_will_dirty(dbuf, tx); + dsphys = dbuf->db_data; + bzero(dsphys, sizeof (dsl_dataset_phys_t)); + dsphys->ds_dir_obj = ds->ds_dir->dd_object; + dsphys->ds_fsid_guid = unique_create(); + (void) random_get_pseudo_bytes((void*)&dsphys->ds_guid, + sizeof (dsphys->ds_guid)); + dsphys->ds_prev_snap_obj = dsl_dataset_phys(ds)->ds_prev_snap_obj; + dsphys->ds_prev_snap_txg = dsl_dataset_phys(ds)->ds_prev_snap_txg; + dsphys->ds_next_snap_obj = ds->ds_object; + dsphys->ds_num_children = 1; + dsphys->ds_creation_time = gethrestime_sec(); + dsphys->ds_creation_txg = crtxg; + dsphys->ds_deadlist_obj = dsl_dataset_phys(ds)->ds_deadlist_obj; + dsphys->ds_referenced_bytes = dsl_dataset_phys(ds)->ds_referenced_bytes; + dsphys->ds_compressed_bytes = dsl_dataset_phys(ds)->ds_compressed_bytes; + dsphys->ds_uncompressed_bytes = + dsl_dataset_phys(ds)->ds_uncompressed_bytes; + dsphys->ds_flags = dsl_dataset_phys(ds)->ds_flags; + dsphys->ds_bp = dsl_dataset_phys(ds)->ds_bp; + dmu_buf_rele(dbuf, FTAG); + + if (ds->ds_large_blocks) + dsl_dataset_activate_large_blocks_sync_impl(dsobj, tx); + + ASSERT3U(ds->ds_prev != 0, ==, + dsl_dataset_phys(ds)->ds_prev_snap_obj != 0); + if (ds->ds_prev) { + uint64_t next_clones_obj = + dsl_dataset_phys(ds->ds_prev)->ds_next_clones_obj; + ASSERT(dsl_dataset_phys(ds->ds_prev)->ds_next_snap_obj == + ds->ds_object || + dsl_dataset_phys(ds->ds_prev)->ds_num_children > 1); + if (dsl_dataset_phys(ds->ds_prev)->ds_next_snap_obj == + ds->ds_object) { + dmu_buf_will_dirty(ds->ds_prev->ds_dbuf, tx); + ASSERT3U(dsl_dataset_phys(ds)->ds_prev_snap_txg, ==, + dsl_dataset_phys(ds->ds_prev)->ds_creation_txg); + dsl_dataset_phys(ds->ds_prev)->ds_next_snap_obj = dsobj; + } else if (next_clones_obj != 0) { + dsl_dataset_remove_from_next_clones(ds->ds_prev, + dsphys->ds_next_snap_obj, tx); + VERIFY0(zap_add_int(mos, + next_clones_obj, dsobj, tx)); + } + } + + /* + * If we have a reference-reservation on this dataset, we will + * need to increase the amount of refreservation being charged + * since our unique space is going to zero. + */ + if (ds->ds_reserved) { + int64_t delta; + ASSERT(DS_UNIQUE_IS_ACCURATE(ds)); + delta = MIN(dsl_dataset_phys(ds)->ds_unique_bytes, + ds->ds_reserved); + dsl_dir_diduse_space(ds->ds_dir, DD_USED_REFRSRV, + delta, 0, 0, tx); + } + + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_deadlist_obj = + dsl_deadlist_clone(&ds->ds_deadlist, UINT64_MAX, + dsl_dataset_phys(ds)->ds_prev_snap_obj, tx); + dsl_deadlist_close(&ds->ds_deadlist); + dsl_deadlist_open(&ds->ds_deadlist, mos, + dsl_dataset_phys(ds)->ds_deadlist_obj); + dsl_deadlist_add_key(&ds->ds_deadlist, + dsl_dataset_phys(ds)->ds_prev_snap_txg, tx); + + ASSERT3U(dsl_dataset_phys(ds)->ds_prev_snap_txg, <, tx->tx_txg); + dsl_dataset_phys(ds)->ds_prev_snap_obj = dsobj; + dsl_dataset_phys(ds)->ds_prev_snap_txg = crtxg; + dsl_dataset_phys(ds)->ds_unique_bytes = 0; + if (spa_version(dp->dp_spa) >= SPA_VERSION_UNIQUE_ACCURATE) + dsl_dataset_phys(ds)->ds_flags |= DS_FLAG_UNIQUE_ACCURATE; + + VERIFY0(zap_add(mos, dsl_dataset_phys(ds)->ds_snapnames_zapobj, + snapname, 8, 1, &dsobj, tx)); + + if (ds->ds_prev) + dsl_dataset_rele(ds->ds_prev, ds); + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, ds, &ds->ds_prev)); + + dsl_scan_ds_snapshotted(ds, tx); + + dsl_dir_snap_cmtime_update(ds->ds_dir); + + spa_history_log_internal_ds(ds->ds_prev, "snapshot", tx, ""); +} + +static void +dsl_dataset_snapshot_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_snapshot_arg_t *ddsa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + nvpair_t *pair; + + for (pair = nvlist_next_nvpair(ddsa->ddsa_snaps, NULL); + pair != NULL; pair = nvlist_next_nvpair(ddsa->ddsa_snaps, pair)) { + dsl_dataset_t *ds; + char *name, *atp; + char dsname[MAXNAMELEN]; + + name = nvpair_name(pair); + atp = strchr(name, '@'); + (void) strlcpy(dsname, name, atp - name + 1); + VERIFY0(dsl_dataset_hold(dp, dsname, FTAG, &ds)); + + dsl_dataset_snapshot_sync_impl(ds, atp + 1, tx); + if (ddsa->ddsa_props != NULL) { + dsl_props_set_sync_impl(ds->ds_prev, + ZPROP_SRC_LOCAL, ddsa->ddsa_props, tx); + } + zvol_create_minors(dp->dp_spa, nvpair_name(pair), B_TRUE); + dsl_dataset_rele(ds, FTAG); + } +} + +/* + * The snapshots must all be in the same pool. + * All-or-nothing: if there are any failures, nothing will be modified. + */ +int +dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors) +{ + dsl_dataset_snapshot_arg_t ddsa; + nvpair_t *pair; + boolean_t needsuspend; + int error; + spa_t *spa; + char *firstname; + nvlist_t *suspended = NULL; + + pair = nvlist_next_nvpair(snaps, NULL); + if (pair == NULL) + return (0); + firstname = nvpair_name(pair); + + error = spa_open(firstname, &spa, FTAG); + if (error != 0) + return (error); + needsuspend = (spa_version(spa) < SPA_VERSION_FAST_SNAP); + spa_close(spa, FTAG); + + if (needsuspend) { + suspended = fnvlist_alloc(); + for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; + pair = nvlist_next_nvpair(snaps, pair)) { + char fsname[MAXNAMELEN]; + char *snapname = nvpair_name(pair); + char *atp; + void *cookie; + + atp = strchr(snapname, '@'); + if (atp == NULL) { + error = SET_ERROR(EINVAL); + break; + } + (void) strlcpy(fsname, snapname, atp - snapname + 1); + + error = zil_suspend(fsname, &cookie); + if (error != 0) + break; + fnvlist_add_uint64(suspended, fsname, + (uintptr_t)cookie); + } + } + + ddsa.ddsa_snaps = snaps; + ddsa.ddsa_props = props; + ddsa.ddsa_errors = errors; + ddsa.ddsa_cr = CRED(); + + if (error == 0) { + error = dsl_sync_task(firstname, dsl_dataset_snapshot_check, + dsl_dataset_snapshot_sync, &ddsa, + fnvlist_num_pairs(snaps) * 3, ZFS_SPACE_CHECK_NORMAL); + } + + if (suspended != NULL) { + for (pair = nvlist_next_nvpair(suspended, NULL); pair != NULL; + pair = nvlist_next_nvpair(suspended, pair)) { + zil_resume((void *)(uintptr_t) + fnvpair_value_uint64(pair)); + } + fnvlist_free(suspended); + } + + return (error); +} + +typedef struct dsl_dataset_snapshot_tmp_arg { + const char *ddsta_fsname; + const char *ddsta_snapname; + minor_t ddsta_cleanup_minor; + const char *ddsta_htag; +} dsl_dataset_snapshot_tmp_arg_t; + +static int +dsl_dataset_snapshot_tmp_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_snapshot_tmp_arg_t *ddsta = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + int error; + + error = dsl_dataset_hold(dp, ddsta->ddsta_fsname, FTAG, &ds); + if (error != 0) + return (error); + + /* NULL cred means no limit check for tmp snapshot */ + error = dsl_dataset_snapshot_check_impl(ds, ddsta->ddsta_snapname, + tx, B_FALSE, 0, NULL); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + if (spa_version(dp->dp_spa) < SPA_VERSION_USERREFS) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENOTSUP)); + } + error = dsl_dataset_user_hold_check_one(NULL, ddsta->ddsta_htag, + B_TRUE, tx); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + dsl_dataset_rele(ds, FTAG); + return (0); +} + +static void +dsl_dataset_snapshot_tmp_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_snapshot_tmp_arg_t *ddsta = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dp, ddsta->ddsta_fsname, FTAG, &ds)); + + dsl_dataset_snapshot_sync_impl(ds, ddsta->ddsta_snapname, tx); + dsl_dataset_user_hold_sync_one(ds->ds_prev, ddsta->ddsta_htag, + ddsta->ddsta_cleanup_minor, gethrestime_sec(), tx); + dsl_destroy_snapshot_sync_impl(ds->ds_prev, B_TRUE, tx); + + dsl_dataset_rele(ds, FTAG); +} + +int +dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname, + minor_t cleanup_minor, const char *htag) +{ + dsl_dataset_snapshot_tmp_arg_t ddsta; + int error; + spa_t *spa; + boolean_t needsuspend; + void *cookie; + + ddsta.ddsta_fsname = fsname; + ddsta.ddsta_snapname = snapname; + ddsta.ddsta_cleanup_minor = cleanup_minor; + ddsta.ddsta_htag = htag; + + error = spa_open(fsname, &spa, FTAG); + if (error != 0) + return (error); + needsuspend = (spa_version(spa) < SPA_VERSION_FAST_SNAP); + spa_close(spa, FTAG); + + if (needsuspend) { + error = zil_suspend(fsname, &cookie); + if (error != 0) + return (error); + } + + error = dsl_sync_task(fsname, dsl_dataset_snapshot_tmp_check, + dsl_dataset_snapshot_tmp_sync, &ddsta, 3, ZFS_SPACE_CHECK_RESERVED); + + if (needsuspend) + zil_resume(cookie); + return (error); +} + + +void +dsl_dataset_sync(dsl_dataset_t *ds, zio_t *zio, dmu_tx_t *tx) +{ + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(ds->ds_objset != NULL); + ASSERT(dsl_dataset_phys(ds)->ds_next_snap_obj == 0); + + /* + * in case we had to change ds_fsid_guid when we opened it, + * sync it out now. + */ + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_fsid_guid = ds->ds_fsid_guid; + + dmu_objset_sync(ds->ds_objset, zio, tx); + + if (ds->ds_need_large_blocks && !ds->ds_large_blocks) { + dsl_dataset_activate_large_blocks_sync_impl(ds->ds_object, tx); + ds->ds_large_blocks = B_TRUE; + } +} + +static void +get_clones_stat(dsl_dataset_t *ds, nvlist_t *nv) +{ + uint64_t count = 0; + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + zap_cursor_t zc; + zap_attribute_t za; + nvlist_t *propval = fnvlist_alloc(); + nvlist_t *val = fnvlist_alloc(); + + ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool)); + + /* + * There may be missing entries in ds_next_clones_obj + * due to a bug in a previous version of the code. + * Only trust it if it has the right number of entries. + */ + if (dsl_dataset_phys(ds)->ds_next_clones_obj != 0) { + VERIFY0(zap_count(mos, dsl_dataset_phys(ds)->ds_next_clones_obj, + &count)); + } + if (count != dsl_dataset_phys(ds)->ds_num_children - 1) + goto fail; + for (zap_cursor_init(&zc, mos, + dsl_dataset_phys(ds)->ds_next_clones_obj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + dsl_dataset_t *clone; + char buf[ZFS_MAXNAMELEN]; + VERIFY0(dsl_dataset_hold_obj(ds->ds_dir->dd_pool, + za.za_first_integer, FTAG, &clone)); + dsl_dir_name(clone->ds_dir, buf); + fnvlist_add_boolean(val, buf); + dsl_dataset_rele(clone, FTAG); + } + zap_cursor_fini(&zc); + fnvlist_add_nvlist(propval, ZPROP_VALUE, val); + fnvlist_add_nvlist(nv, zfs_prop_to_name(ZFS_PROP_CLONES), propval); +fail: + nvlist_free(val); + nvlist_free(propval); +} + +void +dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv) +{ + uint64_t refd, avail, uobjs, aobjs, ratio; + ASSERTV(dsl_pool_t *dp = ds->ds_dir->dd_pool); + + ASSERT(dsl_pool_config_held(dp)); + + ratio = dsl_dataset_phys(ds)->ds_compressed_bytes == 0 ? 100 : + (dsl_dataset_phys(ds)->ds_uncompressed_bytes * 100 / + dsl_dataset_phys(ds)->ds_compressed_bytes); + + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFRATIO, ratio); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_LOGICALREFERENCED, + dsl_dataset_phys(ds)->ds_uncompressed_bytes); + + if (ds->ds_is_snapshot) { + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_COMPRESSRATIO, ratio); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USED, + dsl_dataset_phys(ds)->ds_unique_bytes); + get_clones_stat(ds, nv); + } else { + dsl_dir_stats(ds->ds_dir, nv); + } + + dsl_dataset_space(ds, &refd, &avail, &uobjs, &aobjs); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_AVAILABLE, avail); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFERENCED, refd); + + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_CREATION, + dsl_dataset_phys(ds)->ds_creation_time); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_CREATETXG, + dsl_dataset_phys(ds)->ds_creation_txg); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFQUOTA, + ds->ds_quota); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFRESERVATION, + ds->ds_reserved); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_GUID, + dsl_dataset_phys(ds)->ds_guid); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_UNIQUE, + dsl_dataset_phys(ds)->ds_unique_bytes); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_OBJSETID, + ds->ds_object); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USERREFS, + ds->ds_userrefs); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_DEFER_DESTROY, + DS_IS_DEFER_DESTROY(ds) ? 1 : 0); + + if (dsl_dataset_phys(ds)->ds_prev_snap_obj != 0) { + uint64_t written, comp, uncomp; + dsl_pool_t *dp = ds->ds_dir->dd_pool; + dsl_dataset_t *prev; + int err; + + err = dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, FTAG, &prev); + if (err == 0) { + err = dsl_dataset_space_written(prev, ds, &written, + &comp, &uncomp); + dsl_dataset_rele(prev, FTAG); + if (err == 0) { + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_WRITTEN, + written); + } + } + } + +} + +void +dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat) +{ + dsl_pool_t *dp = ds->ds_dir->dd_pool; + ASSERT(dsl_pool_config_held(dp)); + + stat->dds_creation_txg = dsl_dataset_phys(ds)->ds_creation_txg; + stat->dds_inconsistent = + dsl_dataset_phys(ds)->ds_flags & DS_FLAG_INCONSISTENT; + stat->dds_guid = dsl_dataset_phys(ds)->ds_guid; + stat->dds_origin[0] = '\0'; + if (ds->ds_is_snapshot) { + stat->dds_is_snapshot = B_TRUE; + stat->dds_num_clones = + dsl_dataset_phys(ds)->ds_num_children - 1; + } else { + stat->dds_is_snapshot = B_FALSE; + stat->dds_num_clones = 0; + + if (dsl_dir_is_clone(ds->ds_dir)) { + dsl_dataset_t *ods; + + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dir_phys(ds->ds_dir)->dd_origin_obj, + FTAG, &ods)); + dsl_dataset_name(ods, stat->dds_origin); + dsl_dataset_rele(ods, FTAG); + } + } +} + +uint64_t +dsl_dataset_fsid_guid(dsl_dataset_t *ds) +{ + return (ds->ds_fsid_guid); +} + +void +dsl_dataset_space(dsl_dataset_t *ds, + uint64_t *refdbytesp, uint64_t *availbytesp, + uint64_t *usedobjsp, uint64_t *availobjsp) +{ + *refdbytesp = dsl_dataset_phys(ds)->ds_referenced_bytes; + *availbytesp = dsl_dir_space_available(ds->ds_dir, NULL, 0, TRUE); + if (ds->ds_reserved > dsl_dataset_phys(ds)->ds_unique_bytes) + *availbytesp += + ds->ds_reserved - dsl_dataset_phys(ds)->ds_unique_bytes; + if (ds->ds_quota != 0) { + /* + * Adjust available bytes according to refquota + */ + if (*refdbytesp < ds->ds_quota) + *availbytesp = MIN(*availbytesp, + ds->ds_quota - *refdbytesp); + else + *availbytesp = 0; + } + *usedobjsp = BP_GET_FILL(&dsl_dataset_phys(ds)->ds_bp); + *availobjsp = DN_MAX_OBJECT - *usedobjsp; +} + +boolean_t +dsl_dataset_modified_since_snap(dsl_dataset_t *ds, dsl_dataset_t *snap) +{ + ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool)); + if (snap == NULL) + return (B_FALSE); + if (dsl_dataset_phys(ds)->ds_bp.blk_birth > + dsl_dataset_phys(snap)->ds_creation_txg) { + objset_t *os, *os_snap; + /* + * It may be that only the ZIL differs, because it was + * reset in the head. Don't count that as being + * modified. + */ + if (dmu_objset_from_ds(ds, &os) != 0) + return (B_TRUE); + if (dmu_objset_from_ds(snap, &os_snap) != 0) + return (B_TRUE); + return (bcmp(&os->os_phys->os_meta_dnode, + &os_snap->os_phys->os_meta_dnode, + sizeof (os->os_phys->os_meta_dnode)) != 0); + } + return (B_FALSE); +} + +typedef struct dsl_dataset_rename_snapshot_arg { + const char *ddrsa_fsname; + const char *ddrsa_oldsnapname; + const char *ddrsa_newsnapname; + boolean_t ddrsa_recursive; + dmu_tx_t *ddrsa_tx; +} dsl_dataset_rename_snapshot_arg_t; + +/* ARGSUSED */ +static int +dsl_dataset_rename_snapshot_check_impl(dsl_pool_t *dp, + dsl_dataset_t *hds, void *arg) +{ + dsl_dataset_rename_snapshot_arg_t *ddrsa = arg; + int error; + uint64_t val; + + error = dsl_dataset_snap_lookup(hds, ddrsa->ddrsa_oldsnapname, &val); + if (error != 0) { + /* ignore nonexistent snapshots */ + return (error == ENOENT ? 0 : error); + } + + /* new name should not exist */ + error = dsl_dataset_snap_lookup(hds, ddrsa->ddrsa_newsnapname, &val); + if (error == 0) + error = SET_ERROR(EEXIST); + else if (error == ENOENT) + error = 0; + + /* dataset name + 1 for the "@" + the new snapshot name must fit */ + if (dsl_dir_namelen(hds->ds_dir) + 1 + + strlen(ddrsa->ddrsa_newsnapname) >= MAXNAMELEN) + error = SET_ERROR(ENAMETOOLONG); + + return (error); +} + +static int +dsl_dataset_rename_snapshot_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_rename_snapshot_arg_t *ddrsa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *hds; + int error; + + error = dsl_dataset_hold(dp, ddrsa->ddrsa_fsname, FTAG, &hds); + if (error != 0) + return (error); + + if (ddrsa->ddrsa_recursive) { + error = dmu_objset_find_dp(dp, hds->ds_dir->dd_object, + dsl_dataset_rename_snapshot_check_impl, ddrsa, + DS_FIND_CHILDREN); + } else { + error = dsl_dataset_rename_snapshot_check_impl(dp, hds, ddrsa); + } + dsl_dataset_rele(hds, FTAG); + return (error); +} + +static int +dsl_dataset_rename_snapshot_sync_impl(dsl_pool_t *dp, + dsl_dataset_t *hds, void *arg) +{ + dsl_dataset_rename_snapshot_arg_t *ddrsa = arg; + dsl_dataset_t *ds; + uint64_t val; + dmu_tx_t *tx = ddrsa->ddrsa_tx; + int error; + + error = dsl_dataset_snap_lookup(hds, ddrsa->ddrsa_oldsnapname, &val); + ASSERT(error == 0 || error == ENOENT); + if (error == ENOENT) { + /* ignore nonexistent snapshots */ + return (0); + } + + VERIFY0(dsl_dataset_hold_obj(dp, val, FTAG, &ds)); + + /* log before we change the name */ + spa_history_log_internal_ds(ds, "rename", tx, + "-> @%s", ddrsa->ddrsa_newsnapname); + + VERIFY0(dsl_dataset_snap_remove(hds, ddrsa->ddrsa_oldsnapname, tx, + B_FALSE)); + mutex_enter(&ds->ds_lock); + (void) strcpy(ds->ds_snapname, ddrsa->ddrsa_newsnapname); + mutex_exit(&ds->ds_lock); + VERIFY0(zap_add(dp->dp_meta_objset, + dsl_dataset_phys(hds)->ds_snapnames_zapobj, + ds->ds_snapname, 8, 1, &ds->ds_object, tx)); + zvol_rename_minors(dp->dp_spa, ddrsa->ddrsa_oldsnapname, + ddrsa->ddrsa_newsnapname, B_TRUE); + + dsl_dataset_rele(ds, FTAG); + return (0); +} + +static void +dsl_dataset_rename_snapshot_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_rename_snapshot_arg_t *ddrsa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *hds; + + VERIFY0(dsl_dataset_hold(dp, ddrsa->ddrsa_fsname, FTAG, &hds)); + ddrsa->ddrsa_tx = tx; + if (ddrsa->ddrsa_recursive) { + VERIFY0(dmu_objset_find_dp(dp, hds->ds_dir->dd_object, + dsl_dataset_rename_snapshot_sync_impl, ddrsa, + DS_FIND_CHILDREN)); + } else { + VERIFY0(dsl_dataset_rename_snapshot_sync_impl(dp, hds, ddrsa)); + } + dsl_dataset_rele(hds, FTAG); +} + +int +dsl_dataset_rename_snapshot(const char *fsname, + const char *oldsnapname, const char *newsnapname, boolean_t recursive) +{ + dsl_dataset_rename_snapshot_arg_t ddrsa; + + ddrsa.ddrsa_fsname = fsname; + ddrsa.ddrsa_oldsnapname = oldsnapname; + ddrsa.ddrsa_newsnapname = newsnapname; + ddrsa.ddrsa_recursive = recursive; + + return (dsl_sync_task(fsname, dsl_dataset_rename_snapshot_check, + dsl_dataset_rename_snapshot_sync, &ddrsa, + 1, ZFS_SPACE_CHECK_RESERVED)); +} + +/* + * If we're doing an ownership handoff, we need to make sure that there is + * only one long hold on the dataset. We're not allowed to change anything here + * so we don't permanently release the long hold or regular hold here. We want + * to do this only when syncing to avoid the dataset unexpectedly going away + * when we release the long hold. + */ +static int +dsl_dataset_handoff_check(dsl_dataset_t *ds, void *owner, dmu_tx_t *tx) +{ + boolean_t held; + + if (!dmu_tx_is_syncing(tx)) + return (0); + + if (owner != NULL) { + VERIFY3P(ds->ds_owner, ==, owner); + dsl_dataset_long_rele(ds, owner); + } + + held = dsl_dataset_long_held(ds); + + if (owner != NULL) + dsl_dataset_long_hold(ds, owner); + + if (held) + return (SET_ERROR(EBUSY)); + + return (0); +} + +typedef struct dsl_dataset_rollback_arg { + const char *ddra_fsname; + void *ddra_owner; + nvlist_t *ddra_result; +} dsl_dataset_rollback_arg_t; + +static int +dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_rollback_arg_t *ddra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + int64_t unused_refres_delta; + int error; + nvpair_t *pair; + nvlist_t *proprequest, *bookmarks; + + error = dsl_dataset_hold(dp, ddra->ddra_fsname, FTAG, &ds); + if (error != 0) + return (error); + + /* must not be a snapshot */ + if (ds->ds_is_snapshot) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EINVAL)); + } + + /* must have a most recent snapshot */ + if (dsl_dataset_phys(ds)->ds_prev_snap_txg < TXG_INITIAL) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EINVAL)); + } + + /* must not have any bookmarks after the most recent snapshot */ + proprequest = fnvlist_alloc(); + fnvlist_add_boolean(proprequest, zfs_prop_to_name(ZFS_PROP_CREATETXG)); + bookmarks = fnvlist_alloc(); + error = dsl_get_bookmarks_impl(ds, proprequest, bookmarks); + fnvlist_free(proprequest); + if (error != 0) + return (error); + for (pair = nvlist_next_nvpair(bookmarks, NULL); + pair != NULL; pair = nvlist_next_nvpair(bookmarks, pair)) { + nvlist_t *valuenv = + fnvlist_lookup_nvlist(fnvpair_value_nvlist(pair), + zfs_prop_to_name(ZFS_PROP_CREATETXG)); + uint64_t createtxg = fnvlist_lookup_uint64(valuenv, "value"); + if (createtxg > dsl_dataset_phys(ds)->ds_prev_snap_txg) { + fnvlist_free(bookmarks); + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EEXIST)); + } + } + fnvlist_free(bookmarks); + + error = dsl_dataset_handoff_check(ds, ddra->ddra_owner, tx); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + /* + * Check if the snap we are rolling back to uses more than + * the refquota. + */ + if (ds->ds_quota != 0 && + dsl_dataset_phys(ds->ds_prev)->ds_referenced_bytes > ds->ds_quota) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EDQUOT)); + } + + /* + * When we do the clone swap, we will temporarily use more space + * due to the refreservation (the head will no longer have any + * unique space, so the entire amount of the refreservation will need + * to be free). We will immediately destroy the clone, freeing + * this space, but the freeing happens over many txg's. + */ + unused_refres_delta = (int64_t)MIN(ds->ds_reserved, + dsl_dataset_phys(ds)->ds_unique_bytes); + + if (unused_refres_delta > 0 && + unused_refres_delta > + dsl_dir_space_available(ds->ds_dir, NULL, 0, TRUE)) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENOSPC)); + } + + dsl_dataset_rele(ds, FTAG); + return (0); +} + +static void +dsl_dataset_rollback_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_rollback_arg_t *ddra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds, *clone; + uint64_t cloneobj; + char namebuf[ZFS_MAXNAMELEN]; + + VERIFY0(dsl_dataset_hold(dp, ddra->ddra_fsname, FTAG, &ds)); + + dsl_dataset_name(ds->ds_prev, namebuf); + fnvlist_add_string(ddra->ddra_result, "target", namebuf); + + cloneobj = dsl_dataset_create_sync(ds->ds_dir, "%rollback", + ds->ds_prev, DS_CREATE_FLAG_NODIRTY, kcred, tx); + + VERIFY0(dsl_dataset_hold_obj(dp, cloneobj, FTAG, &clone)); + + dsl_dataset_clone_swap_sync_impl(clone, ds, tx); + dsl_dataset_zero_zil(ds, tx); + + dsl_destroy_head_sync_impl(clone, tx); + + dsl_dataset_rele(clone, FTAG); + dsl_dataset_rele(ds, FTAG); +} + +/* + * Rolls back the given filesystem or volume to the most recent snapshot. + * The name of the most recent snapshot will be returned under key "target" + * in the result nvlist. + * + * If owner != NULL: + * - The existing dataset MUST be owned by the specified owner at entry + * - Upon return, dataset will still be held by the same owner, whether we + * succeed or not. + * + * This mode is required any time the existing filesystem is mounted. See + * notes above zfs_suspend_fs() for further details. + */ +int +dsl_dataset_rollback(const char *fsname, void *owner, nvlist_t *result) +{ + dsl_dataset_rollback_arg_t ddra; + + ddra.ddra_fsname = fsname; + ddra.ddra_owner = owner; + ddra.ddra_result = result; + + return (dsl_sync_task(fsname, dsl_dataset_rollback_check, + dsl_dataset_rollback_sync, &ddra, + 1, ZFS_SPACE_CHECK_RESERVED)); +} + +struct promotenode { + list_node_t link; + dsl_dataset_t *ds; +}; + +typedef struct dsl_dataset_promote_arg { + const char *ddpa_clonename; + dsl_dataset_t *ddpa_clone; + list_t shared_snaps, origin_snaps, clone_snaps; + dsl_dataset_t *origin_origin; /* origin of the origin */ + uint64_t used, comp, uncomp, unique, cloneusedsnap, originusedsnap; + char *err_ds; + cred_t *cr; +} dsl_dataset_promote_arg_t; + +static int snaplist_space(list_t *l, uint64_t mintxg, uint64_t *spacep); +static int promote_hold(dsl_dataset_promote_arg_t *ddpa, dsl_pool_t *dp, + void *tag); +static void promote_rele(dsl_dataset_promote_arg_t *ddpa, void *tag); + +static int +dsl_dataset_promote_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_promote_arg_t *ddpa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *hds; + struct promotenode *snap; + dsl_dataset_t *origin_ds; + int err; + uint64_t unused; + uint64_t ss_mv_cnt; + size_t max_snap_len; + + err = promote_hold(ddpa, dp, FTAG); + if (err != 0) + return (err); + + hds = ddpa->ddpa_clone; + max_snap_len = MAXNAMELEN - strlen(ddpa->ddpa_clonename) - 1; + + if (dsl_dataset_phys(hds)->ds_flags & DS_FLAG_NOPROMOTE) { + promote_rele(ddpa, FTAG); + return (SET_ERROR(EXDEV)); + } + + /* + * Compute and check the amount of space to transfer. Since this is + * so expensive, don't do the preliminary check. + */ + if (!dmu_tx_is_syncing(tx)) { + promote_rele(ddpa, FTAG); + return (0); + } + + snap = list_head(&ddpa->shared_snaps); + origin_ds = snap->ds; + + /* compute origin's new unique space */ + snap = list_tail(&ddpa->clone_snaps); + ASSERT3U(dsl_dataset_phys(snap->ds)->ds_prev_snap_obj, ==, + origin_ds->ds_object); + dsl_deadlist_space_range(&snap->ds->ds_deadlist, + dsl_dataset_phys(origin_ds)->ds_prev_snap_txg, UINT64_MAX, + &ddpa->unique, &unused, &unused); + + /* + * Walk the snapshots that we are moving + * + * Compute space to transfer. Consider the incremental changes + * to used by each snapshot: + * (my used) = (prev's used) + (blocks born) - (blocks killed) + * So each snapshot gave birth to: + * (blocks born) = (my used) - (prev's used) + (blocks killed) + * So a sequence would look like: + * (uN - u(N-1) + kN) + ... + (u1 - u0 + k1) + (u0 - 0 + k0) + * Which simplifies to: + * uN + kN + kN-1 + ... + k1 + k0 + * Note however, if we stop before we reach the ORIGIN we get: + * uN + kN + kN-1 + ... + kM - uM-1 + */ + ss_mv_cnt = 0; + ddpa->used = dsl_dataset_phys(origin_ds)->ds_referenced_bytes; + ddpa->comp = dsl_dataset_phys(origin_ds)->ds_compressed_bytes; + ddpa->uncomp = dsl_dataset_phys(origin_ds)->ds_uncompressed_bytes; + for (snap = list_head(&ddpa->shared_snaps); snap; + snap = list_next(&ddpa->shared_snaps, snap)) { + uint64_t val, dlused, dlcomp, dluncomp; + dsl_dataset_t *ds = snap->ds; + + ss_mv_cnt++; + + /* + * If there are long holds, we won't be able to evict + * the objset. + */ + if (dsl_dataset_long_held(ds)) { + err = SET_ERROR(EBUSY); + goto out; + } + + /* Check that the snapshot name does not conflict */ + VERIFY0(dsl_dataset_get_snapname(ds)); + if (strlen(ds->ds_snapname) >= max_snap_len) { + err = SET_ERROR(ENAMETOOLONG); + goto out; + } + err = dsl_dataset_snap_lookup(hds, ds->ds_snapname, &val); + if (err == 0) { + (void) strcpy(ddpa->err_ds, snap->ds->ds_snapname); + err = SET_ERROR(EEXIST); + goto out; + } + if (err != ENOENT) + goto out; + + /* The very first snapshot does not have a deadlist */ + if (dsl_dataset_phys(ds)->ds_prev_snap_obj == 0) + continue; + + dsl_deadlist_space(&ds->ds_deadlist, + &dlused, &dlcomp, &dluncomp); + ddpa->used += dlused; + ddpa->comp += dlcomp; + ddpa->uncomp += dluncomp; + } + + /* + * If we are a clone of a clone then we never reached ORIGIN, + * so we need to subtract out the clone origin's used space. + */ + if (ddpa->origin_origin) { + ddpa->used -= + dsl_dataset_phys(ddpa->origin_origin)->ds_referenced_bytes; + ddpa->comp -= + dsl_dataset_phys(ddpa->origin_origin)->ds_compressed_bytes; + ddpa->uncomp -= + dsl_dataset_phys(ddpa->origin_origin)-> + ds_uncompressed_bytes; + } + + /* Check that there is enough space and limit headroom here */ + err = dsl_dir_transfer_possible(origin_ds->ds_dir, hds->ds_dir, + 0, ss_mv_cnt, ddpa->used, ddpa->cr); + if (err != 0) + goto out; + + /* + * Compute the amounts of space that will be used by snapshots + * after the promotion (for both origin and clone). For each, + * it is the amount of space that will be on all of their + * deadlists (that was not born before their new origin). + */ + if (dsl_dir_phys(hds->ds_dir)->dd_flags & DD_FLAG_USED_BREAKDOWN) { + uint64_t space; + + /* + * Note, typically this will not be a clone of a clone, + * so dd_origin_txg will be < TXG_INITIAL, so + * these snaplist_space() -> dsl_deadlist_space_range() + * calls will be fast because they do not have to + * iterate over all bps. + */ + snap = list_head(&ddpa->origin_snaps); + err = snaplist_space(&ddpa->shared_snaps, + snap->ds->ds_dir->dd_origin_txg, &ddpa->cloneusedsnap); + if (err != 0) + goto out; + + err = snaplist_space(&ddpa->clone_snaps, + snap->ds->ds_dir->dd_origin_txg, &space); + if (err != 0) + goto out; + ddpa->cloneusedsnap += space; + } + if (dsl_dir_phys(origin_ds->ds_dir)->dd_flags & + DD_FLAG_USED_BREAKDOWN) { + err = snaplist_space(&ddpa->origin_snaps, + dsl_dataset_phys(origin_ds)->ds_creation_txg, + &ddpa->originusedsnap); + if (err != 0) + goto out; + } + +out: + promote_rele(ddpa, FTAG); + return (err); +} + +static void +dsl_dataset_promote_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_promote_arg_t *ddpa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *hds; + struct promotenode *snap; + dsl_dataset_t *origin_ds; + dsl_dataset_t *origin_head; + dsl_dir_t *dd; + dsl_dir_t *odd = NULL; + uint64_t oldnext_obj; + int64_t delta; + + VERIFY0(promote_hold(ddpa, dp, FTAG)); + hds = ddpa->ddpa_clone; + + ASSERT0(dsl_dataset_phys(hds)->ds_flags & DS_FLAG_NOPROMOTE); + + snap = list_head(&ddpa->shared_snaps); + origin_ds = snap->ds; + dd = hds->ds_dir; + + snap = list_head(&ddpa->origin_snaps); + origin_head = snap->ds; + + /* + * We need to explicitly open odd, since origin_ds's dd will be + * changing. + */ + VERIFY0(dsl_dir_hold_obj(dp, origin_ds->ds_dir->dd_object, + NULL, FTAG, &odd)); + + /* change origin's next snap */ + dmu_buf_will_dirty(origin_ds->ds_dbuf, tx); + oldnext_obj = dsl_dataset_phys(origin_ds)->ds_next_snap_obj; + snap = list_tail(&ddpa->clone_snaps); + ASSERT3U(dsl_dataset_phys(snap->ds)->ds_prev_snap_obj, ==, + origin_ds->ds_object); + dsl_dataset_phys(origin_ds)->ds_next_snap_obj = snap->ds->ds_object; + + /* change the origin's next clone */ + if (dsl_dataset_phys(origin_ds)->ds_next_clones_obj) { + dsl_dataset_remove_from_next_clones(origin_ds, + snap->ds->ds_object, tx); + VERIFY0(zap_add_int(dp->dp_meta_objset, + dsl_dataset_phys(origin_ds)->ds_next_clones_obj, + oldnext_obj, tx)); + } + + /* change origin */ + dmu_buf_will_dirty(dd->dd_dbuf, tx); + ASSERT3U(dsl_dir_phys(dd)->dd_origin_obj, ==, origin_ds->ds_object); + dsl_dir_phys(dd)->dd_origin_obj = dsl_dir_phys(odd)->dd_origin_obj; + dd->dd_origin_txg = origin_head->ds_dir->dd_origin_txg; + dmu_buf_will_dirty(odd->dd_dbuf, tx); + dsl_dir_phys(odd)->dd_origin_obj = origin_ds->ds_object; + origin_head->ds_dir->dd_origin_txg = + dsl_dataset_phys(origin_ds)->ds_creation_txg; + + /* change dd_clone entries */ + if (spa_version(dp->dp_spa) >= SPA_VERSION_DIR_CLONES) { + VERIFY0(zap_remove_int(dp->dp_meta_objset, + dsl_dir_phys(odd)->dd_clones, hds->ds_object, tx)); + VERIFY0(zap_add_int(dp->dp_meta_objset, + dsl_dir_phys(ddpa->origin_origin->ds_dir)->dd_clones, + hds->ds_object, tx)); + + VERIFY0(zap_remove_int(dp->dp_meta_objset, + dsl_dir_phys(ddpa->origin_origin->ds_dir)->dd_clones, + origin_head->ds_object, tx)); + if (dsl_dir_phys(dd)->dd_clones == 0) { + dsl_dir_phys(dd)->dd_clones = + zap_create(dp->dp_meta_objset, DMU_OT_DSL_CLONES, + DMU_OT_NONE, 0, tx); + } + VERIFY0(zap_add_int(dp->dp_meta_objset, + dsl_dir_phys(dd)->dd_clones, origin_head->ds_object, tx)); + } + + /* move snapshots to this dir */ + for (snap = list_head(&ddpa->shared_snaps); snap; + snap = list_next(&ddpa->shared_snaps, snap)) { + dsl_dataset_t *ds = snap->ds; + + /* + * Property callbacks are registered to a particular + * dsl_dir. Since ours is changing, evict the objset + * so that they will be unregistered from the old dsl_dir. + */ + if (ds->ds_objset) { + dmu_objset_evict(ds->ds_objset); + ds->ds_objset = NULL; + } + + /* move snap name entry */ + VERIFY0(dsl_dataset_get_snapname(ds)); + VERIFY0(dsl_dataset_snap_remove(origin_head, + ds->ds_snapname, tx, B_TRUE)); + VERIFY0(zap_add(dp->dp_meta_objset, + dsl_dataset_phys(hds)->ds_snapnames_zapobj, ds->ds_snapname, + 8, 1, &ds->ds_object, tx)); + dsl_fs_ss_count_adjust(hds->ds_dir, 1, + DD_FIELD_SNAPSHOT_COUNT, tx); + + /* change containing dsl_dir */ + dmu_buf_will_dirty(ds->ds_dbuf, tx); + ASSERT3U(dsl_dataset_phys(ds)->ds_dir_obj, ==, odd->dd_object); + dsl_dataset_phys(ds)->ds_dir_obj = dd->dd_object; + ASSERT3P(ds->ds_dir, ==, odd); + dsl_dir_rele(ds->ds_dir, ds); + VERIFY0(dsl_dir_hold_obj(dp, dd->dd_object, + NULL, ds, &ds->ds_dir)); + + /* move any clone references */ + if (dsl_dataset_phys(ds)->ds_next_clones_obj && + spa_version(dp->dp_spa) >= SPA_VERSION_DIR_CLONES) { + zap_cursor_t zc; + zap_attribute_t za; + + for (zap_cursor_init(&zc, dp->dp_meta_objset, + dsl_dataset_phys(ds)->ds_next_clones_obj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + dsl_dataset_t *cnds; + uint64_t o; + + if (za.za_first_integer == oldnext_obj) { + /* + * We've already moved the + * origin's reference. + */ + continue; + } + + VERIFY0(dsl_dataset_hold_obj(dp, + za.za_first_integer, FTAG, &cnds)); + o = dsl_dir_phys(cnds->ds_dir)-> + dd_head_dataset_obj; + + VERIFY0(zap_remove_int(dp->dp_meta_objset, + dsl_dir_phys(odd)->dd_clones, o, tx)); + VERIFY0(zap_add_int(dp->dp_meta_objset, + dsl_dir_phys(dd)->dd_clones, o, tx)); + dsl_dataset_rele(cnds, FTAG); + } + zap_cursor_fini(&zc); + } + + ASSERT(!dsl_prop_hascb(ds)); + } + + /* + * Change space accounting. + * Note, pa->*usedsnap and dd_used_breakdown[SNAP] will either + * both be valid, or both be 0 (resulting in delta == 0). This + * is true for each of {clone,origin} independently. + */ + + delta = ddpa->cloneusedsnap - + dsl_dir_phys(dd)->dd_used_breakdown[DD_USED_SNAP]; + ASSERT3S(delta, >=, 0); + ASSERT3U(ddpa->used, >=, delta); + dsl_dir_diduse_space(dd, DD_USED_SNAP, delta, 0, 0, tx); + dsl_dir_diduse_space(dd, DD_USED_HEAD, + ddpa->used - delta, ddpa->comp, ddpa->uncomp, tx); + + delta = ddpa->originusedsnap - + dsl_dir_phys(odd)->dd_used_breakdown[DD_USED_SNAP]; + ASSERT3S(delta, <=, 0); + ASSERT3U(ddpa->used, >=, -delta); + dsl_dir_diduse_space(odd, DD_USED_SNAP, delta, 0, 0, tx); + dsl_dir_diduse_space(odd, DD_USED_HEAD, + -ddpa->used - delta, -ddpa->comp, -ddpa->uncomp, tx); + + dsl_dataset_phys(origin_ds)->ds_unique_bytes = ddpa->unique; + + /* log history record */ + spa_history_log_internal_ds(hds, "promote", tx, ""); + + dsl_dir_rele(odd, FTAG); + promote_rele(ddpa, FTAG); +} + +/* + * Make a list of dsl_dataset_t's for the snapshots between first_obj + * (exclusive) and last_obj (inclusive). The list will be in reverse + * order (last_obj will be the list_head()). If first_obj == 0, do all + * snapshots back to this dataset's origin. + */ +static int +snaplist_make(dsl_pool_t *dp, + uint64_t first_obj, uint64_t last_obj, list_t *l, void *tag) +{ + uint64_t obj = last_obj; + + list_create(l, sizeof (struct promotenode), + offsetof(struct promotenode, link)); + + while (obj != first_obj) { + dsl_dataset_t *ds; + struct promotenode *snap; + int err; + + err = dsl_dataset_hold_obj(dp, obj, tag, &ds); + ASSERT(err != ENOENT); + if (err != 0) + return (err); + + if (first_obj == 0) + first_obj = dsl_dir_phys(ds->ds_dir)->dd_origin_obj; + + snap = kmem_alloc(sizeof (*snap), KM_SLEEP); + snap->ds = ds; + list_insert_tail(l, snap); + obj = dsl_dataset_phys(ds)->ds_prev_snap_obj; + } + + return (0); +} + +static int +snaplist_space(list_t *l, uint64_t mintxg, uint64_t *spacep) +{ + struct promotenode *snap; + + *spacep = 0; + for (snap = list_head(l); snap; snap = list_next(l, snap)) { + uint64_t used, comp, uncomp; + dsl_deadlist_space_range(&snap->ds->ds_deadlist, + mintxg, UINT64_MAX, &used, &comp, &uncomp); + *spacep += used; + } + return (0); +} + +static void +snaplist_destroy(list_t *l, void *tag) +{ + struct promotenode *snap; + + if (l == NULL || !list_link_active(&l->list_head)) + return; + + while ((snap = list_tail(l)) != NULL) { + list_remove(l, snap); + dsl_dataset_rele(snap->ds, tag); + kmem_free(snap, sizeof (*snap)); + } + list_destroy(l); +} + +static int +promote_hold(dsl_dataset_promote_arg_t *ddpa, dsl_pool_t *dp, void *tag) +{ + int error; + dsl_dir_t *dd; + struct promotenode *snap; + + error = dsl_dataset_hold(dp, ddpa->ddpa_clonename, tag, + &ddpa->ddpa_clone); + if (error != 0) + return (error); + dd = ddpa->ddpa_clone->ds_dir; + + if (ddpa->ddpa_clone->ds_is_snapshot || + !dsl_dir_is_clone(dd)) { + dsl_dataset_rele(ddpa->ddpa_clone, tag); + return (SET_ERROR(EINVAL)); + } + + error = snaplist_make(dp, 0, dsl_dir_phys(dd)->dd_origin_obj, + &ddpa->shared_snaps, tag); + if (error != 0) + goto out; + + error = snaplist_make(dp, 0, ddpa->ddpa_clone->ds_object, + &ddpa->clone_snaps, tag); + if (error != 0) + goto out; + + snap = list_head(&ddpa->shared_snaps); + ASSERT3U(snap->ds->ds_object, ==, dsl_dir_phys(dd)->dd_origin_obj); + error = snaplist_make(dp, dsl_dir_phys(dd)->dd_origin_obj, + dsl_dir_phys(snap->ds->ds_dir)->dd_head_dataset_obj, + &ddpa->origin_snaps, tag); + if (error != 0) + goto out; + + if (dsl_dir_phys(snap->ds->ds_dir)->dd_origin_obj != 0) { + error = dsl_dataset_hold_obj(dp, + dsl_dir_phys(snap->ds->ds_dir)->dd_origin_obj, + tag, &ddpa->origin_origin); + if (error != 0) + goto out; + } +out: + if (error != 0) + promote_rele(ddpa, tag); + return (error); +} + +static void +promote_rele(dsl_dataset_promote_arg_t *ddpa, void *tag) +{ + snaplist_destroy(&ddpa->shared_snaps, tag); + snaplist_destroy(&ddpa->clone_snaps, tag); + snaplist_destroy(&ddpa->origin_snaps, tag); + if (ddpa->origin_origin != NULL) + dsl_dataset_rele(ddpa->origin_origin, tag); + dsl_dataset_rele(ddpa->ddpa_clone, tag); +} + +/* + * Promote a clone. + * + * If it fails due to a conflicting snapshot name, "conflsnap" will be filled + * in with the name. (It must be at least MAXNAMELEN bytes long.) + */ +int +dsl_dataset_promote(const char *name, char *conflsnap) +{ + dsl_dataset_promote_arg_t ddpa = { 0 }; + uint64_t numsnaps; + int error; + objset_t *os; + + /* + * We will modify space proportional to the number of + * snapshots. Compute numsnaps. + */ + error = dmu_objset_hold(name, FTAG, &os); + if (error != 0) + return (error); + error = zap_count(dmu_objset_pool(os)->dp_meta_objset, + dsl_dataset_phys(dmu_objset_ds(os))->ds_snapnames_zapobj, + &numsnaps); + dmu_objset_rele(os, FTAG); + if (error != 0) + return (error); + + ddpa.ddpa_clonename = name; + ddpa.err_ds = conflsnap; + ddpa.cr = CRED(); + + return (dsl_sync_task(name, dsl_dataset_promote_check, + dsl_dataset_promote_sync, &ddpa, + 2 + numsnaps, ZFS_SPACE_CHECK_RESERVED)); +} + +int +dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone, + dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx) +{ + int64_t unused_refres_delta; + + /* they should both be heads */ + if (clone->ds_is_snapshot || + origin_head->ds_is_snapshot) + return (SET_ERROR(EINVAL)); + + /* if we are not forcing, the branch point should be just before them */ + if (!force && clone->ds_prev != origin_head->ds_prev) + return (SET_ERROR(EINVAL)); + + /* clone should be the clone (unless they are unrelated) */ + if (clone->ds_prev != NULL && + clone->ds_prev != clone->ds_dir->dd_pool->dp_origin_snap && + origin_head->ds_dir != clone->ds_prev->ds_dir) + return (SET_ERROR(EINVAL)); + + /* the clone should be a child of the origin */ + if (clone->ds_dir->dd_parent != origin_head->ds_dir) + return (SET_ERROR(EINVAL)); + + /* origin_head shouldn't be modified unless 'force' */ + if (!force && + dsl_dataset_modified_since_snap(origin_head, origin_head->ds_prev)) + return (SET_ERROR(ETXTBSY)); + + /* origin_head should have no long holds (e.g. is not mounted) */ + if (dsl_dataset_handoff_check(origin_head, owner, tx)) + return (SET_ERROR(EBUSY)); + + /* check amount of any unconsumed refreservation */ + unused_refres_delta = + (int64_t)MIN(origin_head->ds_reserved, + dsl_dataset_phys(origin_head)->ds_unique_bytes) - + (int64_t)MIN(origin_head->ds_reserved, + dsl_dataset_phys(clone)->ds_unique_bytes); + + if (unused_refres_delta > 0 && + unused_refres_delta > + dsl_dir_space_available(origin_head->ds_dir, NULL, 0, TRUE)) + return (SET_ERROR(ENOSPC)); + + /* clone can't be over the head's refquota */ + if (origin_head->ds_quota != 0 && + dsl_dataset_phys(clone)->ds_referenced_bytes > + origin_head->ds_quota) + return (SET_ERROR(EDQUOT)); + + return (0); +} + +void +dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone, + dsl_dataset_t *origin_head, dmu_tx_t *tx) +{ + dsl_pool_t *dp = dmu_tx_pool(tx); + int64_t unused_refres_delta; + + ASSERT(clone->ds_reserved == 0); + ASSERT(origin_head->ds_quota == 0 || + dsl_dataset_phys(clone)->ds_unique_bytes <= origin_head->ds_quota); + ASSERT3P(clone->ds_prev, ==, origin_head->ds_prev); + + dmu_buf_will_dirty(clone->ds_dbuf, tx); + dmu_buf_will_dirty(origin_head->ds_dbuf, tx); + + if (clone->ds_objset != NULL) { + dmu_objset_evict(clone->ds_objset); + clone->ds_objset = NULL; + } + + if (origin_head->ds_objset != NULL) { + dmu_objset_evict(origin_head->ds_objset); + origin_head->ds_objset = NULL; + } + + unused_refres_delta = + (int64_t)MIN(origin_head->ds_reserved, + dsl_dataset_phys(origin_head)->ds_unique_bytes) - + (int64_t)MIN(origin_head->ds_reserved, + dsl_dataset_phys(clone)->ds_unique_bytes); + + /* + * Reset origin's unique bytes, if it exists. + */ + if (clone->ds_prev) { + dsl_dataset_t *origin = clone->ds_prev; + uint64_t comp, uncomp; + + dmu_buf_will_dirty(origin->ds_dbuf, tx); + dsl_deadlist_space_range(&clone->ds_deadlist, + dsl_dataset_phys(origin)->ds_prev_snap_txg, UINT64_MAX, + &dsl_dataset_phys(origin)->ds_unique_bytes, &comp, &uncomp); + } + + /* swap blkptrs */ + { + blkptr_t tmp; + tmp = dsl_dataset_phys(origin_head)->ds_bp; + dsl_dataset_phys(origin_head)->ds_bp = + dsl_dataset_phys(clone)->ds_bp; + dsl_dataset_phys(clone)->ds_bp = tmp; + } + + /* set dd_*_bytes */ + { + int64_t dused, dcomp, duncomp; + uint64_t cdl_used, cdl_comp, cdl_uncomp; + uint64_t odl_used, odl_comp, odl_uncomp; + + ASSERT3U(dsl_dir_phys(clone->ds_dir)-> + dd_used_breakdown[DD_USED_SNAP], ==, 0); + + dsl_deadlist_space(&clone->ds_deadlist, + &cdl_used, &cdl_comp, &cdl_uncomp); + dsl_deadlist_space(&origin_head->ds_deadlist, + &odl_used, &odl_comp, &odl_uncomp); + + dused = dsl_dataset_phys(clone)->ds_referenced_bytes + + cdl_used - + (dsl_dataset_phys(origin_head)->ds_referenced_bytes + + odl_used); + dcomp = dsl_dataset_phys(clone)->ds_compressed_bytes + + cdl_comp - + (dsl_dataset_phys(origin_head)->ds_compressed_bytes + + odl_comp); + duncomp = dsl_dataset_phys(clone)->ds_uncompressed_bytes + + cdl_uncomp - + (dsl_dataset_phys(origin_head)->ds_uncompressed_bytes + + odl_uncomp); + + dsl_dir_diduse_space(origin_head->ds_dir, DD_USED_HEAD, + dused, dcomp, duncomp, tx); + dsl_dir_diduse_space(clone->ds_dir, DD_USED_HEAD, + -dused, -dcomp, -duncomp, tx); + + /* + * The difference in the space used by snapshots is the + * difference in snapshot space due to the head's + * deadlist (since that's the only thing that's + * changing that affects the snapused). + */ + dsl_deadlist_space_range(&clone->ds_deadlist, + origin_head->ds_dir->dd_origin_txg, UINT64_MAX, + &cdl_used, &cdl_comp, &cdl_uncomp); + dsl_deadlist_space_range(&origin_head->ds_deadlist, + origin_head->ds_dir->dd_origin_txg, UINT64_MAX, + &odl_used, &odl_comp, &odl_uncomp); + dsl_dir_transfer_space(origin_head->ds_dir, cdl_used - odl_used, + DD_USED_HEAD, DD_USED_SNAP, tx); + } + + /* swap ds_*_bytes */ + SWITCH64(dsl_dataset_phys(origin_head)->ds_referenced_bytes, + dsl_dataset_phys(clone)->ds_referenced_bytes); + SWITCH64(dsl_dataset_phys(origin_head)->ds_compressed_bytes, + dsl_dataset_phys(clone)->ds_compressed_bytes); + SWITCH64(dsl_dataset_phys(origin_head)->ds_uncompressed_bytes, + dsl_dataset_phys(clone)->ds_uncompressed_bytes); + SWITCH64(dsl_dataset_phys(origin_head)->ds_unique_bytes, + dsl_dataset_phys(clone)->ds_unique_bytes); + + /* apply any parent delta for change in unconsumed refreservation */ + dsl_dir_diduse_space(origin_head->ds_dir, DD_USED_REFRSRV, + unused_refres_delta, 0, 0, tx); + + /* + * Swap deadlists. + */ + dsl_deadlist_close(&clone->ds_deadlist); + dsl_deadlist_close(&origin_head->ds_deadlist); + SWITCH64(dsl_dataset_phys(origin_head)->ds_deadlist_obj, + dsl_dataset_phys(clone)->ds_deadlist_obj); + dsl_deadlist_open(&clone->ds_deadlist, dp->dp_meta_objset, + dsl_dataset_phys(clone)->ds_deadlist_obj); + dsl_deadlist_open(&origin_head->ds_deadlist, dp->dp_meta_objset, + dsl_dataset_phys(origin_head)->ds_deadlist_obj); + + dsl_scan_ds_clone_swapped(origin_head, clone, tx); + + spa_history_log_internal_ds(clone, "clone swap", tx, + "parent=%s", origin_head->ds_dir->dd_myname); +} + +/* + * Given a pool name and a dataset object number in that pool, + * return the name of that dataset. + */ +int +dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + int error; + + error = dsl_pool_hold(pname, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold_obj(dp, obj, FTAG, &ds); + if (error == 0) { + dsl_dataset_name(ds, buf); + dsl_dataset_rele(ds, FTAG); + } + dsl_pool_rele(dp, FTAG); + + return (error); +} + +int +dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, + uint64_t asize, uint64_t inflight, uint64_t *used, uint64_t *ref_rsrv) +{ + int error = 0; + + ASSERT3S(asize, >, 0); + + /* + * *ref_rsrv is the portion of asize that will come from any + * unconsumed refreservation space. + */ + *ref_rsrv = 0; + + mutex_enter(&ds->ds_lock); + /* + * Make a space adjustment for reserved bytes. + */ + if (ds->ds_reserved > dsl_dataset_phys(ds)->ds_unique_bytes) { + ASSERT3U(*used, >=, + ds->ds_reserved - dsl_dataset_phys(ds)->ds_unique_bytes); + *used -= + (ds->ds_reserved - dsl_dataset_phys(ds)->ds_unique_bytes); + *ref_rsrv = + asize - MIN(asize, parent_delta(ds, asize + inflight)); + } + + if (!check_quota || ds->ds_quota == 0) { + mutex_exit(&ds->ds_lock); + return (0); + } + /* + * If they are requesting more space, and our current estimate + * is over quota, they get to try again unless the actual + * on-disk is over quota and there are no pending changes (which + * may free up space for us). + */ + if (dsl_dataset_phys(ds)->ds_referenced_bytes + inflight >= + ds->ds_quota) { + if (inflight > 0 || + dsl_dataset_phys(ds)->ds_referenced_bytes < ds->ds_quota) + error = SET_ERROR(ERESTART); + else + error = SET_ERROR(EDQUOT); + } + mutex_exit(&ds->ds_lock); + + return (error); +} + +typedef struct dsl_dataset_set_qr_arg { + const char *ddsqra_name; + zprop_source_t ddsqra_source; + uint64_t ddsqra_value; +} dsl_dataset_set_qr_arg_t; + + +/* ARGSUSED */ +static int +dsl_dataset_set_refquota_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + int error; + uint64_t newval; + + if (spa_version(dp->dp_spa) < SPA_VERSION_REFQUOTA) + return (SET_ERROR(ENOTSUP)); + + error = dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds); + if (error != 0) + return (error); + + if (ds->ds_is_snapshot) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EINVAL)); + } + + error = dsl_prop_predict(ds->ds_dir, + zfs_prop_to_name(ZFS_PROP_REFQUOTA), + ddsqra->ddsqra_source, ddsqra->ddsqra_value, &newval); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + if (newval == 0) { + dsl_dataset_rele(ds, FTAG); + return (0); + } + + if (newval < dsl_dataset_phys(ds)->ds_referenced_bytes || + newval < ds->ds_reserved) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENOSPC)); + } + + dsl_dataset_rele(ds, FTAG); + return (0); +} + +static void +dsl_dataset_set_refquota_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + uint64_t newval; + + VERIFY0(dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds)); + + dsl_prop_set_sync_impl(ds, + zfs_prop_to_name(ZFS_PROP_REFQUOTA), + ddsqra->ddsqra_source, sizeof (ddsqra->ddsqra_value), 1, + &ddsqra->ddsqra_value, tx); + + VERIFY0(dsl_prop_get_int_ds(ds, + zfs_prop_to_name(ZFS_PROP_REFQUOTA), &newval)); + + if (ds->ds_quota != newval) { + dmu_buf_will_dirty(ds->ds_dbuf, tx); + ds->ds_quota = newval; + } + dsl_dataset_rele(ds, FTAG); +} + +int +dsl_dataset_set_refquota(const char *dsname, zprop_source_t source, + uint64_t refquota) +{ + dsl_dataset_set_qr_arg_t ddsqra; + + ddsqra.ddsqra_name = dsname; + ddsqra.ddsqra_source = source; + ddsqra.ddsqra_value = refquota; + + return (dsl_sync_task(dsname, dsl_dataset_set_refquota_check, + dsl_dataset_set_refquota_sync, &ddsqra, 0, ZFS_SPACE_CHECK_NONE)); +} + +static int +dsl_dataset_set_refreservation_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + int error; + uint64_t newval, unique; + + if (spa_version(dp->dp_spa) < SPA_VERSION_REFRESERVATION) + return (SET_ERROR(ENOTSUP)); + + error = dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds); + if (error != 0) + return (error); + + if (ds->ds_is_snapshot) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EINVAL)); + } + + error = dsl_prop_predict(ds->ds_dir, + zfs_prop_to_name(ZFS_PROP_REFRESERVATION), + ddsqra->ddsqra_source, ddsqra->ddsqra_value, &newval); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + /* + * If we are doing the preliminary check in open context, the + * space estimates may be inaccurate. + */ + if (!dmu_tx_is_syncing(tx)) { + dsl_dataset_rele(ds, FTAG); + return (0); + } + + mutex_enter(&ds->ds_lock); + if (!DS_UNIQUE_IS_ACCURATE(ds)) + dsl_dataset_recalc_head_uniq(ds); + unique = dsl_dataset_phys(ds)->ds_unique_bytes; + mutex_exit(&ds->ds_lock); + + if (MAX(unique, newval) > MAX(unique, ds->ds_reserved)) { + uint64_t delta = MAX(unique, newval) - + MAX(unique, ds->ds_reserved); + + if (delta > + dsl_dir_space_available(ds->ds_dir, NULL, 0, B_TRUE) || + (ds->ds_quota > 0 && newval > ds->ds_quota)) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENOSPC)); + } + } + + dsl_dataset_rele(ds, FTAG); + return (0); +} + +void +dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds, + zprop_source_t source, uint64_t value, dmu_tx_t *tx) +{ + uint64_t newval; + uint64_t unique; + int64_t delta; + + dsl_prop_set_sync_impl(ds, zfs_prop_to_name(ZFS_PROP_REFRESERVATION), + source, sizeof (value), 1, &value, tx); + + VERIFY0(dsl_prop_get_int_ds(ds, + zfs_prop_to_name(ZFS_PROP_REFRESERVATION), &newval)); + + dmu_buf_will_dirty(ds->ds_dbuf, tx); + mutex_enter(&ds->ds_dir->dd_lock); + mutex_enter(&ds->ds_lock); + ASSERT(DS_UNIQUE_IS_ACCURATE(ds)); + unique = dsl_dataset_phys(ds)->ds_unique_bytes; + delta = MAX(0, (int64_t)(newval - unique)) - + MAX(0, (int64_t)(ds->ds_reserved - unique)); + ds->ds_reserved = newval; + mutex_exit(&ds->ds_lock); + + dsl_dir_diduse_space(ds->ds_dir, DD_USED_REFRSRV, delta, 0, 0, tx); + mutex_exit(&ds->ds_dir->dd_lock); +} + +static void +dsl_dataset_set_refreservation_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds)); + dsl_dataset_set_refreservation_sync_impl(ds, + ddsqra->ddsqra_source, ddsqra->ddsqra_value, tx); + dsl_dataset_rele(ds, FTAG); +} + +int +dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source, + uint64_t refreservation) +{ + dsl_dataset_set_qr_arg_t ddsqra; + + ddsqra.ddsqra_name = dsname; + ddsqra.ddsqra_source = source; + ddsqra.ddsqra_value = refreservation; + + return (dsl_sync_task(dsname, dsl_dataset_set_refreservation_check, + dsl_dataset_set_refreservation_sync, &ddsqra, + 0, ZFS_SPACE_CHECK_NONE)); +} + +/* + * Return (in *usedp) the amount of space written in new that is not + * present in oldsnap. New may be a snapshot or the head. Old must be + * a snapshot before new, in new's filesystem (or its origin). If not then + * fail and return EINVAL. + * + * The written space is calculated by considering two components: First, we + * ignore any freed space, and calculate the written as new's used space + * minus old's used space. Next, we add in the amount of space that was freed + * between the two snapshots, thus reducing new's used space relative to old's. + * Specifically, this is the space that was born before old->ds_creation_txg, + * and freed before new (ie. on new's deadlist or a previous deadlist). + * + * space freed [---------------------] + * snapshots ---O-------O--------O-------O------ + * oldsnap new + */ +int +dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) +{ + int err = 0; + uint64_t snapobj; + dsl_pool_t *dp = new->ds_dir->dd_pool; + + ASSERT(dsl_pool_config_held(dp)); + + *usedp = 0; + *usedp += dsl_dataset_phys(new)->ds_referenced_bytes; + *usedp -= dsl_dataset_phys(oldsnap)->ds_referenced_bytes; + + *compp = 0; + *compp += dsl_dataset_phys(new)->ds_compressed_bytes; + *compp -= dsl_dataset_phys(oldsnap)->ds_compressed_bytes; + + *uncompp = 0; + *uncompp += dsl_dataset_phys(new)->ds_uncompressed_bytes; + *uncompp -= dsl_dataset_phys(oldsnap)->ds_uncompressed_bytes; + + snapobj = new->ds_object; + while (snapobj != oldsnap->ds_object) { + dsl_dataset_t *snap; + uint64_t used, comp, uncomp; + + if (snapobj == new->ds_object) { + snap = new; + } else { + err = dsl_dataset_hold_obj(dp, snapobj, FTAG, &snap); + if (err != 0) + break; + } + + if (dsl_dataset_phys(snap)->ds_prev_snap_txg == + dsl_dataset_phys(oldsnap)->ds_creation_txg) { + /* + * The blocks in the deadlist can not be born after + * ds_prev_snap_txg, so get the whole deadlist space, + * which is more efficient (especially for old-format + * deadlists). Unfortunately the deadlist code + * doesn't have enough information to make this + * optimization itself. + */ + dsl_deadlist_space(&snap->ds_deadlist, + &used, &comp, &uncomp); + } else { + dsl_deadlist_space_range(&snap->ds_deadlist, + 0, dsl_dataset_phys(oldsnap)->ds_creation_txg, + &used, &comp, &uncomp); + } + *usedp += used; + *compp += comp; + *uncompp += uncomp; + + /* + * If we get to the beginning of the chain of snapshots + * (ds_prev_snap_obj == 0) before oldsnap, then oldsnap + * was not a snapshot of/before new. + */ + snapobj = dsl_dataset_phys(snap)->ds_prev_snap_obj; + if (snap != new) + dsl_dataset_rele(snap, FTAG); + if (snapobj == 0) { + err = SET_ERROR(EINVAL); + break; + } + + } + return (err); +} + +/* + * Return (in *usedp) the amount of space that will be reclaimed if firstsnap, + * lastsnap, and all snapshots in between are deleted. + * + * blocks that would be freed [---------------------------] + * snapshots ---O-------O--------O-------O--------O + * firstsnap lastsnap + * + * This is the set of blocks that were born after the snap before firstsnap, + * (birth > firstsnap->prev_snap_txg) and died before the snap after the + * last snap (ie, is on lastsnap->ds_next->ds_deadlist or an earlier deadlist). + * We calculate this by iterating over the relevant deadlists (from the snap + * after lastsnap, backward to the snap after firstsnap), summing up the + * space on the deadlist that was born after the snap before firstsnap. + */ +int +dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, + dsl_dataset_t *lastsnap, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) +{ + int err = 0; + uint64_t snapobj; + dsl_pool_t *dp = firstsnap->ds_dir->dd_pool; + + ASSERT(firstsnap->ds_is_snapshot); + ASSERT(lastsnap->ds_is_snapshot); + + /* + * Check that the snapshots are in the same dsl_dir, and firstsnap + * is before lastsnap. + */ + if (firstsnap->ds_dir != lastsnap->ds_dir || + dsl_dataset_phys(firstsnap)->ds_creation_txg > + dsl_dataset_phys(lastsnap)->ds_creation_txg) + return (SET_ERROR(EINVAL)); + + *usedp = *compp = *uncompp = 0; + + snapobj = dsl_dataset_phys(lastsnap)->ds_next_snap_obj; + while (snapobj != firstsnap->ds_object) { + dsl_dataset_t *ds; + uint64_t used, comp, uncomp; + + err = dsl_dataset_hold_obj(dp, snapobj, FTAG, &ds); + if (err != 0) + break; + + dsl_deadlist_space_range(&ds->ds_deadlist, + dsl_dataset_phys(firstsnap)->ds_prev_snap_txg, UINT64_MAX, + &used, &comp, &uncomp); + *usedp += used; + *compp += comp; + *uncompp += uncomp; + + snapobj = dsl_dataset_phys(ds)->ds_prev_snap_obj; + ASSERT3U(snapobj, !=, 0); + dsl_dataset_rele(ds, FTAG); + } + return (err); +} + +static int +dsl_dataset_activate_large_blocks_check(void *arg, dmu_tx_t *tx) +{ + const char *dsname = arg; + dsl_dataset_t *ds; + dsl_pool_t *dp = dmu_tx_pool(tx); + int error = 0; + + if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_LARGE_BLOCKS)) + return (SET_ERROR(ENOTSUP)); + + ASSERT(spa_feature_is_enabled(dp->dp_spa, + SPA_FEATURE_EXTENSIBLE_DATASET)); + + error = dsl_dataset_hold(dp, dsname, FTAG, &ds); + if (error != 0) + return (error); + + if (ds->ds_large_blocks) + error = EALREADY; + dsl_dataset_rele(ds, FTAG); + + return (error); +} + +void +dsl_dataset_activate_large_blocks_sync_impl(uint64_t dsobj, dmu_tx_t *tx) +{ + spa_t *spa = dmu_tx_pool(tx)->dp_spa; + objset_t *mos = dmu_tx_pool(tx)->dp_meta_objset; + uint64_t zero = 0; + + spa_feature_incr(spa, SPA_FEATURE_LARGE_BLOCKS, tx); + dmu_object_zapify(mos, dsobj, DMU_OT_DSL_DATASET, tx); + + VERIFY0(zap_add(mos, dsobj, DS_FIELD_LARGE_BLOCKS, + sizeof (zero), 1, &zero, tx)); +} + +static void +dsl_dataset_activate_large_blocks_sync(void *arg, dmu_tx_t *tx) +{ + const char *dsname = arg; + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dmu_tx_pool(tx), dsname, FTAG, &ds)); + + dsl_dataset_activate_large_blocks_sync_impl(ds->ds_object, tx); + ASSERT(!ds->ds_large_blocks); + ds->ds_large_blocks = B_TRUE; + dsl_dataset_rele(ds, FTAG); +} + +int +dsl_dataset_activate_large_blocks(const char *dsname) +{ + int error; + + error = dsl_sync_task(dsname, + dsl_dataset_activate_large_blocks_check, + dsl_dataset_activate_large_blocks_sync, (void *)dsname, + 1, ZFS_SPACE_CHECK_RESERVED); + + /* + * EALREADY indicates that this dataset already supports large blocks. + */ + if (error == EALREADY) + error = 0; + return (error); +} + +/* + * Return TRUE if 'earlier' is an earlier snapshot in 'later's timeline. + * For example, they could both be snapshots of the same filesystem, and + * 'earlier' is before 'later'. Or 'earlier' could be the origin of + * 'later's filesystem. Or 'earlier' could be an older snapshot in the origin's + * filesystem. Or 'earlier' could be the origin's origin. + * + * If non-zero, earlier_txg is used instead of earlier's ds_creation_txg. + */ +boolean_t +dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier, + uint64_t earlier_txg) +{ + dsl_pool_t *dp = later->ds_dir->dd_pool; + int error; + boolean_t ret; + dsl_dataset_t *origin; + + ASSERT(dsl_pool_config_held(dp)); + ASSERT(earlier->ds_is_snapshot || earlier_txg != 0); + + if (earlier_txg == 0) + earlier_txg = dsl_dataset_phys(earlier)->ds_creation_txg; + + if (later->ds_is_snapshot && + earlier_txg >= dsl_dataset_phys(later)->ds_creation_txg) + return (B_FALSE); + + if (later->ds_dir == earlier->ds_dir) + return (B_TRUE); + if (!dsl_dir_is_clone(later->ds_dir)) + return (B_FALSE); + + if (dsl_dir_phys(later->ds_dir)->dd_origin_obj == earlier->ds_object) + return (B_TRUE); + error = dsl_dataset_hold_obj(dp, + dsl_dir_phys(later->ds_dir)->dd_origin_obj, FTAG, &origin); + if (error != 0) + return (B_FALSE); + ret = dsl_dataset_is_before(origin, earlier, earlier_txg); + dsl_dataset_rele(origin, FTAG); + return (ret); +} + + +void +dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + dmu_object_zapify(mos, ds->ds_object, DMU_OT_DSL_DATASET, tx); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +#if defined(_LP64) +module_param(zfs_max_recordsize, int, 0644); +MODULE_PARM_DESC(zfs_max_recordsize, "Max allowed record size"); +#else +/* Limited to 1M on 32-bit platforms due to lack of virtual address space */ +module_param(zfs_max_recordsize, int, 0444); +MODULE_PARM_DESC(zfs_max_recordsize, "Max allowed record size"); +#endif + +EXPORT_SYMBOL(dsl_dataset_hold); +EXPORT_SYMBOL(dsl_dataset_hold_obj); +EXPORT_SYMBOL(dsl_dataset_own); +EXPORT_SYMBOL(dsl_dataset_own_obj); +EXPORT_SYMBOL(dsl_dataset_name); +EXPORT_SYMBOL(dsl_dataset_rele); +EXPORT_SYMBOL(dsl_dataset_disown); +EXPORT_SYMBOL(dsl_dataset_tryown); +EXPORT_SYMBOL(dsl_dataset_create_sync); +EXPORT_SYMBOL(dsl_dataset_create_sync_dd); +EXPORT_SYMBOL(dsl_dataset_snapshot_check); +EXPORT_SYMBOL(dsl_dataset_snapshot_sync); +EXPORT_SYMBOL(dsl_dataset_promote); +EXPORT_SYMBOL(dsl_dataset_user_hold); +EXPORT_SYMBOL(dsl_dataset_user_release); +EXPORT_SYMBOL(dsl_dataset_get_holds); +EXPORT_SYMBOL(dsl_dataset_get_blkptr); +EXPORT_SYMBOL(dsl_dataset_set_blkptr); +EXPORT_SYMBOL(dsl_dataset_get_spa); +EXPORT_SYMBOL(dsl_dataset_modified_since_snap); +EXPORT_SYMBOL(dsl_dataset_space_written); +EXPORT_SYMBOL(dsl_dataset_space_wouldfree); +EXPORT_SYMBOL(dsl_dataset_sync); +EXPORT_SYMBOL(dsl_dataset_block_born); +EXPORT_SYMBOL(dsl_dataset_block_kill); +EXPORT_SYMBOL(dsl_dataset_block_freeable); +EXPORT_SYMBOL(dsl_dataset_prev_snap_txg); +EXPORT_SYMBOL(dsl_dataset_dirty); +EXPORT_SYMBOL(dsl_dataset_stats); +EXPORT_SYMBOL(dsl_dataset_fast_stat); +EXPORT_SYMBOL(dsl_dataset_space); +EXPORT_SYMBOL(dsl_dataset_fsid_guid); +EXPORT_SYMBOL(dsl_dsobj_to_dsname); +EXPORT_SYMBOL(dsl_dataset_check_quota); +EXPORT_SYMBOL(dsl_dataset_clone_swap_check_impl); +EXPORT_SYMBOL(dsl_dataset_clone_swap_sync_impl); +#endif diff --git a/zfs/module/zfs/dsl_deadlist.c b/zfs/module/zfs/dsl_deadlist.c new file mode 100644 index 000000000000..8da77ebd7b6e --- /dev/null +++ b/zfs/module/zfs/dsl_deadlist.c @@ -0,0 +1,540 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +/* + * Deadlist concurrency: + * + * Deadlists can only be modified from the syncing thread. + * + * Except for dsl_deadlist_insert(), it can only be modified with the + * dp_config_rwlock held with RW_WRITER. + * + * The accessors (dsl_deadlist_space() and dsl_deadlist_space_range()) can + * be called concurrently, from open context, with the dl_config_rwlock held + * with RW_READER. + * + * Therefore, we only need to provide locking between dsl_deadlist_insert() and + * the accessors, protecting: + * dl_phys->dl_used,comp,uncomp + * and protecting the dl_tree from being loaded. + * The locking is provided by dl_lock. Note that locking on the bpobj_t + * provides its own locking, and dl_oldfmt is immutable. + */ + +static int +dsl_deadlist_compare(const void *arg1, const void *arg2) +{ + const dsl_deadlist_entry_t *dle1 = arg1; + const dsl_deadlist_entry_t *dle2 = arg2; + + if (dle1->dle_mintxg < dle2->dle_mintxg) + return (-1); + else if (dle1->dle_mintxg > dle2->dle_mintxg) + return (+1); + else + return (0); +} + +static void +dsl_deadlist_load_tree(dsl_deadlist_t *dl) +{ + zap_cursor_t zc; + zap_attribute_t za; + + ASSERT(!dl->dl_oldfmt); + if (dl->dl_havetree) + return; + + avl_create(&dl->dl_tree, dsl_deadlist_compare, + sizeof (dsl_deadlist_entry_t), + offsetof(dsl_deadlist_entry_t, dle_node)); + for (zap_cursor_init(&zc, dl->dl_os, dl->dl_object); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + dsl_deadlist_entry_t *dle; + + dle = kmem_alloc(sizeof (*dle), KM_SLEEP); + dle->dle_mintxg = strtonum(za.za_name, NULL); + VERIFY3U(0, ==, bpobj_open(&dle->dle_bpobj, dl->dl_os, + za.za_first_integer)); + avl_add(&dl->dl_tree, dle); + } + zap_cursor_fini(&zc); + dl->dl_havetree = B_TRUE; +} + +void +dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object) +{ + dmu_object_info_t doi; + + mutex_init(&dl->dl_lock, NULL, MUTEX_DEFAULT, NULL); + dl->dl_os = os; + dl->dl_object = object; + VERIFY3U(0, ==, dmu_bonus_hold(os, object, dl, &dl->dl_dbuf)); + dmu_object_info_from_db(dl->dl_dbuf, &doi); + if (doi.doi_type == DMU_OT_BPOBJ) { + dmu_buf_rele(dl->dl_dbuf, dl); + dl->dl_dbuf = NULL; + dl->dl_oldfmt = B_TRUE; + VERIFY3U(0, ==, bpobj_open(&dl->dl_bpobj, os, object)); + return; + } + + dl->dl_oldfmt = B_FALSE; + dl->dl_phys = dl->dl_dbuf->db_data; + dl->dl_havetree = B_FALSE; +} + +void +dsl_deadlist_close(dsl_deadlist_t *dl) +{ + void *cookie = NULL; + dsl_deadlist_entry_t *dle; + + dl->dl_os = NULL; + + if (dl->dl_oldfmt) { + dl->dl_oldfmt = B_FALSE; + bpobj_close(&dl->dl_bpobj); + return; + } + + if (dl->dl_havetree) { + while ((dle = avl_destroy_nodes(&dl->dl_tree, &cookie)) + != NULL) { + bpobj_close(&dle->dle_bpobj); + kmem_free(dle, sizeof (*dle)); + } + avl_destroy(&dl->dl_tree); + } + dmu_buf_rele(dl->dl_dbuf, dl); + mutex_destroy(&dl->dl_lock); + dl->dl_dbuf = NULL; + dl->dl_phys = NULL; +} + +uint64_t +dsl_deadlist_alloc(objset_t *os, dmu_tx_t *tx) +{ + if (spa_version(dmu_objset_spa(os)) < SPA_VERSION_DEADLISTS) + return (bpobj_alloc(os, SPA_OLD_MAXBLOCKSIZE, tx)); + return (zap_create(os, DMU_OT_DEADLIST, DMU_OT_DEADLIST_HDR, + sizeof (dsl_deadlist_phys_t), tx)); +} + +void +dsl_deadlist_free(objset_t *os, uint64_t dlobj, dmu_tx_t *tx) +{ + dmu_object_info_t doi; + zap_cursor_t zc; + zap_attribute_t za; + + VERIFY3U(0, ==, dmu_object_info(os, dlobj, &doi)); + if (doi.doi_type == DMU_OT_BPOBJ) { + bpobj_free(os, dlobj, tx); + return; + } + + for (zap_cursor_init(&zc, os, dlobj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + uint64_t obj = za.za_first_integer; + if (obj == dmu_objset_pool(os)->dp_empty_bpobj) + bpobj_decr_empty(os, tx); + else + bpobj_free(os, obj, tx); + } + zap_cursor_fini(&zc); + VERIFY3U(0, ==, dmu_object_free(os, dlobj, tx)); +} + +static void +dle_enqueue(dsl_deadlist_t *dl, dsl_deadlist_entry_t *dle, + const blkptr_t *bp, dmu_tx_t *tx) +{ + if (dle->dle_bpobj.bpo_object == + dmu_objset_pool(dl->dl_os)->dp_empty_bpobj) { + uint64_t obj = bpobj_alloc(dl->dl_os, SPA_OLD_MAXBLOCKSIZE, tx); + bpobj_close(&dle->dle_bpobj); + bpobj_decr_empty(dl->dl_os, tx); + VERIFY3U(0, ==, bpobj_open(&dle->dle_bpobj, dl->dl_os, obj)); + VERIFY3U(0, ==, zap_update_int_key(dl->dl_os, dl->dl_object, + dle->dle_mintxg, obj, tx)); + } + bpobj_enqueue(&dle->dle_bpobj, bp, tx); +} + +static void +dle_enqueue_subobj(dsl_deadlist_t *dl, dsl_deadlist_entry_t *dle, + uint64_t obj, dmu_tx_t *tx) +{ + if (dle->dle_bpobj.bpo_object != + dmu_objset_pool(dl->dl_os)->dp_empty_bpobj) { + bpobj_enqueue_subobj(&dle->dle_bpobj, obj, tx); + } else { + bpobj_close(&dle->dle_bpobj); + bpobj_decr_empty(dl->dl_os, tx); + VERIFY3U(0, ==, bpobj_open(&dle->dle_bpobj, dl->dl_os, obj)); + VERIFY3U(0, ==, zap_update_int_key(dl->dl_os, dl->dl_object, + dle->dle_mintxg, obj, tx)); + } +} + +void +dsl_deadlist_insert(dsl_deadlist_t *dl, const blkptr_t *bp, dmu_tx_t *tx) +{ + dsl_deadlist_entry_t dle_tofind; + dsl_deadlist_entry_t *dle; + avl_index_t where; + + if (dl->dl_oldfmt) { + bpobj_enqueue(&dl->dl_bpobj, bp, tx); + return; + } + + dsl_deadlist_load_tree(dl); + + dmu_buf_will_dirty(dl->dl_dbuf, tx); + mutex_enter(&dl->dl_lock); + dl->dl_phys->dl_used += + bp_get_dsize_sync(dmu_objset_spa(dl->dl_os), bp); + dl->dl_phys->dl_comp += BP_GET_PSIZE(bp); + dl->dl_phys->dl_uncomp += BP_GET_UCSIZE(bp); + mutex_exit(&dl->dl_lock); + + dle_tofind.dle_mintxg = bp->blk_birth; + dle = avl_find(&dl->dl_tree, &dle_tofind, &where); + if (dle == NULL) + dle = avl_nearest(&dl->dl_tree, where, AVL_BEFORE); + else + dle = AVL_PREV(&dl->dl_tree, dle); + dle_enqueue(dl, dle, bp, tx); +} + +/* + * Insert new key in deadlist, which must be > all current entries. + * mintxg is not inclusive. + */ +void +dsl_deadlist_add_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx) +{ + uint64_t obj; + dsl_deadlist_entry_t *dle; + + if (dl->dl_oldfmt) + return; + + dsl_deadlist_load_tree(dl); + + dle = kmem_alloc(sizeof (*dle), KM_SLEEP); + dle->dle_mintxg = mintxg; + obj = bpobj_alloc_empty(dl->dl_os, SPA_OLD_MAXBLOCKSIZE, tx); + VERIFY3U(0, ==, bpobj_open(&dle->dle_bpobj, dl->dl_os, obj)); + avl_add(&dl->dl_tree, dle); + + VERIFY3U(0, ==, zap_add_int_key(dl->dl_os, dl->dl_object, + mintxg, obj, tx)); +} + +/* + * Remove this key, merging its entries into the previous key. + */ +void +dsl_deadlist_remove_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx) +{ + dsl_deadlist_entry_t dle_tofind; + dsl_deadlist_entry_t *dle, *dle_prev; + + if (dl->dl_oldfmt) + return; + + dsl_deadlist_load_tree(dl); + + dle_tofind.dle_mintxg = mintxg; + dle = avl_find(&dl->dl_tree, &dle_tofind, NULL); + dle_prev = AVL_PREV(&dl->dl_tree, dle); + + dle_enqueue_subobj(dl, dle_prev, dle->dle_bpobj.bpo_object, tx); + + avl_remove(&dl->dl_tree, dle); + bpobj_close(&dle->dle_bpobj); + kmem_free(dle, sizeof (*dle)); + + VERIFY3U(0, ==, zap_remove_int(dl->dl_os, dl->dl_object, mintxg, tx)); +} + +/* + * Walk ds's snapshots to regenerate generate ZAP & AVL. + */ +static void +dsl_deadlist_regenerate(objset_t *os, uint64_t dlobj, + uint64_t mrs_obj, dmu_tx_t *tx) +{ + dsl_deadlist_t dl; + dsl_pool_t *dp = dmu_objset_pool(os); + + dsl_deadlist_open(&dl, os, dlobj); + if (dl.dl_oldfmt) { + dsl_deadlist_close(&dl); + return; + } + + while (mrs_obj != 0) { + dsl_dataset_t *ds; + VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, mrs_obj, FTAG, &ds)); + dsl_deadlist_add_key(&dl, + dsl_dataset_phys(ds)->ds_prev_snap_txg, tx); + mrs_obj = dsl_dataset_phys(ds)->ds_prev_snap_obj; + dsl_dataset_rele(ds, FTAG); + } + dsl_deadlist_close(&dl); +} + +uint64_t +dsl_deadlist_clone(dsl_deadlist_t *dl, uint64_t maxtxg, + uint64_t mrs_obj, dmu_tx_t *tx) +{ + dsl_deadlist_entry_t *dle; + uint64_t newobj; + + newobj = dsl_deadlist_alloc(dl->dl_os, tx); + + if (dl->dl_oldfmt) { + dsl_deadlist_regenerate(dl->dl_os, newobj, mrs_obj, tx); + return (newobj); + } + + dsl_deadlist_load_tree(dl); + + for (dle = avl_first(&dl->dl_tree); dle; + dle = AVL_NEXT(&dl->dl_tree, dle)) { + uint64_t obj; + + if (dle->dle_mintxg >= maxtxg) + break; + + obj = bpobj_alloc_empty(dl->dl_os, SPA_OLD_MAXBLOCKSIZE, tx); + VERIFY3U(0, ==, zap_add_int_key(dl->dl_os, newobj, + dle->dle_mintxg, obj, tx)); + } + return (newobj); +} + +void +dsl_deadlist_space(dsl_deadlist_t *dl, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) +{ + if (dl->dl_oldfmt) { + VERIFY3U(0, ==, bpobj_space(&dl->dl_bpobj, + usedp, compp, uncompp)); + return; + } + + mutex_enter(&dl->dl_lock); + *usedp = dl->dl_phys->dl_used; + *compp = dl->dl_phys->dl_comp; + *uncompp = dl->dl_phys->dl_uncomp; + mutex_exit(&dl->dl_lock); +} + +/* + * return space used in the range (mintxg, maxtxg]. + * Includes maxtxg, does not include mintxg. + * mintxg and maxtxg must both be keys in the deadlist (unless maxtxg is + * larger than any bp in the deadlist (eg. UINT64_MAX)). + */ +void +dsl_deadlist_space_range(dsl_deadlist_t *dl, uint64_t mintxg, uint64_t maxtxg, + uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) +{ + dsl_deadlist_entry_t *dle; + dsl_deadlist_entry_t dle_tofind; + avl_index_t where; + + if (dl->dl_oldfmt) { + VERIFY3U(0, ==, bpobj_space_range(&dl->dl_bpobj, + mintxg, maxtxg, usedp, compp, uncompp)); + return; + } + + *usedp = *compp = *uncompp = 0; + + mutex_enter(&dl->dl_lock); + dsl_deadlist_load_tree(dl); + dle_tofind.dle_mintxg = mintxg; + dle = avl_find(&dl->dl_tree, &dle_tofind, &where); + /* + * If we don't find this mintxg, there shouldn't be anything + * after it either. + */ + ASSERT(dle != NULL || + avl_nearest(&dl->dl_tree, where, AVL_AFTER) == NULL); + + for (; dle && dle->dle_mintxg < maxtxg; + dle = AVL_NEXT(&dl->dl_tree, dle)) { + uint64_t used, comp, uncomp; + + VERIFY3U(0, ==, bpobj_space(&dle->dle_bpobj, + &used, &comp, &uncomp)); + + *usedp += used; + *compp += comp; + *uncompp += uncomp; + } + mutex_exit(&dl->dl_lock); +} + +static void +dsl_deadlist_insert_bpobj(dsl_deadlist_t *dl, uint64_t obj, uint64_t birth, + dmu_tx_t *tx) +{ + dsl_deadlist_entry_t dle_tofind; + dsl_deadlist_entry_t *dle; + avl_index_t where; + uint64_t used, comp, uncomp; + bpobj_t bpo; + + VERIFY3U(0, ==, bpobj_open(&bpo, dl->dl_os, obj)); + VERIFY3U(0, ==, bpobj_space(&bpo, &used, &comp, &uncomp)); + bpobj_close(&bpo); + + dsl_deadlist_load_tree(dl); + + dmu_buf_will_dirty(dl->dl_dbuf, tx); + mutex_enter(&dl->dl_lock); + dl->dl_phys->dl_used += used; + dl->dl_phys->dl_comp += comp; + dl->dl_phys->dl_uncomp += uncomp; + mutex_exit(&dl->dl_lock); + + dle_tofind.dle_mintxg = birth; + dle = avl_find(&dl->dl_tree, &dle_tofind, &where); + if (dle == NULL) + dle = avl_nearest(&dl->dl_tree, where, AVL_BEFORE); + dle_enqueue_subobj(dl, dle, obj, tx); +} + +static int +dsl_deadlist_insert_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) +{ + dsl_deadlist_t *dl = arg; + dsl_deadlist_insert(dl, bp, tx); + return (0); +} + +/* + * Merge the deadlist pointed to by 'obj' into dl. obj will be left as + * an empty deadlist. + */ +void +dsl_deadlist_merge(dsl_deadlist_t *dl, uint64_t obj, dmu_tx_t *tx) +{ + zap_cursor_t zc; + zap_attribute_t za; + dmu_buf_t *bonus; + dsl_deadlist_phys_t *dlp; + dmu_object_info_t doi; + + VERIFY3U(0, ==, dmu_object_info(dl->dl_os, obj, &doi)); + if (doi.doi_type == DMU_OT_BPOBJ) { + bpobj_t bpo; + VERIFY3U(0, ==, bpobj_open(&bpo, dl->dl_os, obj)); + VERIFY3U(0, ==, bpobj_iterate(&bpo, + dsl_deadlist_insert_cb, dl, tx)); + bpobj_close(&bpo); + return; + } + + for (zap_cursor_init(&zc, dl->dl_os, obj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + uint64_t mintxg = strtonum(za.za_name, NULL); + dsl_deadlist_insert_bpobj(dl, za.za_first_integer, mintxg, tx); + VERIFY3U(0, ==, zap_remove_int(dl->dl_os, obj, mintxg, tx)); + } + zap_cursor_fini(&zc); + + VERIFY3U(0, ==, dmu_bonus_hold(dl->dl_os, obj, FTAG, &bonus)); + dlp = bonus->db_data; + dmu_buf_will_dirty(bonus, tx); + bzero(dlp, sizeof (*dlp)); + dmu_buf_rele(bonus, FTAG); +} + +/* + * Remove entries on dl that are >= mintxg, and put them on the bpobj. + */ +void +dsl_deadlist_move_bpobj(dsl_deadlist_t *dl, bpobj_t *bpo, uint64_t mintxg, + dmu_tx_t *tx) +{ + dsl_deadlist_entry_t dle_tofind; + dsl_deadlist_entry_t *dle; + avl_index_t where; + + ASSERT(!dl->dl_oldfmt); + dmu_buf_will_dirty(dl->dl_dbuf, tx); + dsl_deadlist_load_tree(dl); + + dle_tofind.dle_mintxg = mintxg; + dle = avl_find(&dl->dl_tree, &dle_tofind, &where); + if (dle == NULL) + dle = avl_nearest(&dl->dl_tree, where, AVL_AFTER); + while (dle) { + uint64_t used, comp, uncomp; + dsl_deadlist_entry_t *dle_next; + + bpobj_enqueue_subobj(bpo, dle->dle_bpobj.bpo_object, tx); + + VERIFY3U(0, ==, bpobj_space(&dle->dle_bpobj, + &used, &comp, &uncomp)); + mutex_enter(&dl->dl_lock); + ASSERT3U(dl->dl_phys->dl_used, >=, used); + ASSERT3U(dl->dl_phys->dl_comp, >=, comp); + ASSERT3U(dl->dl_phys->dl_uncomp, >=, uncomp); + dl->dl_phys->dl_used -= used; + dl->dl_phys->dl_comp -= comp; + dl->dl_phys->dl_uncomp -= uncomp; + mutex_exit(&dl->dl_lock); + + VERIFY3U(0, ==, zap_remove_int(dl->dl_os, dl->dl_object, + dle->dle_mintxg, tx)); + + dle_next = AVL_NEXT(&dl->dl_tree, dle); + avl_remove(&dl->dl_tree, dle); + bpobj_close(&dle->dle_bpobj); + kmem_free(dle, sizeof (*dle)); + dle = dle_next; + } +} diff --git a/zfs/module/zfs/dsl_deleg.c b/zfs/module/zfs/dsl_deleg.c new file mode 100644 index 000000000000..952422be2381 --- /dev/null +++ b/zfs/module/zfs/dsl_deleg.c @@ -0,0 +1,775 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +/* + * DSL permissions are stored in a two level zap attribute + * mechanism. The first level identifies the "class" of + * entry. The class is identified by the first 2 letters of + * the attribute. The second letter "l" or "d" identifies whether + * it is a local or descendent permission. The first letter + * identifies the type of entry. + * + * ul$ identifies permissions granted locally for this userid. + * ud$ identifies permissions granted on descendent datasets for + * this userid. + * Ul$ identifies permission sets granted locally for this userid. + * Ud$ identifies permission sets granted on descendent datasets for + * this userid. + * gl$ identifies permissions granted locally for this groupid. + * gd$ identifies permissions granted on descendent datasets for + * this groupid. + * Gl$ identifies permission sets granted locally for this groupid. + * Gd$ identifies permission sets granted on descendent datasets for + * this groupid. + * el$ identifies permissions granted locally for everyone. + * ed$ identifies permissions granted on descendent datasets + * for everyone. + * El$ identifies permission sets granted locally for everyone. + * Ed$ identifies permission sets granted to descendent datasets for + * everyone. + * c-$ identifies permission to create at dataset creation time. + * C-$ identifies permission sets to grant locally at dataset creation + * time. + * s-$@ permissions defined in specified set @ + * S-$@ Sets defined in named set @ + * + * Each of the above entities points to another zap attribute that contains one + * attribute for each allowed permission, such as create, destroy,... + * All of the "upper" case class types will specify permission set names + * rather than permissions. + * + * Basically it looks something like this: + * ul$12 -> ZAP OBJ -> permissions... + * + * The ZAP OBJ is referred to as the jump object. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "zfs_deleg.h" + +/* + * Validate that user is allowed to delegate specified permissions. + * + * In order to delegate "create" you must have "create" + * and "allow". + */ +int +dsl_deleg_can_allow(char *ddname, nvlist_t *nvp, cred_t *cr) +{ + nvpair_t *whopair = NULL; + int error; + + if ((error = dsl_deleg_access(ddname, ZFS_DELEG_PERM_ALLOW, cr)) != 0) + return (error); + + while ((whopair = nvlist_next_nvpair(nvp, whopair))) { + nvlist_t *perms; + nvpair_t *permpair = NULL; + + VERIFY(nvpair_value_nvlist(whopair, &perms) == 0); + + while ((permpair = nvlist_next_nvpair(perms, permpair))) { + const char *perm = nvpair_name(permpair); + + if (strcmp(perm, ZFS_DELEG_PERM_ALLOW) == 0) + return (SET_ERROR(EPERM)); + + if ((error = dsl_deleg_access(ddname, perm, cr)) != 0) + return (error); + } + } + return (0); +} + +/* + * Validate that user is allowed to unallow specified permissions. They + * must have the 'allow' permission, and even then can only unallow + * perms for their uid. + */ +int +dsl_deleg_can_unallow(char *ddname, nvlist_t *nvp, cred_t *cr) +{ + nvpair_t *whopair = NULL; + int error; + char idstr[32]; + + if ((error = dsl_deleg_access(ddname, ZFS_DELEG_PERM_ALLOW, cr)) != 0) + return (error); + + (void) snprintf(idstr, sizeof (idstr), "%lld", + (longlong_t)crgetuid(cr)); + + while ((whopair = nvlist_next_nvpair(nvp, whopair))) { + zfs_deleg_who_type_t type = nvpair_name(whopair)[0]; + + if (type != ZFS_DELEG_USER && + type != ZFS_DELEG_USER_SETS) + return (SET_ERROR(EPERM)); + + if (strcmp(idstr, &nvpair_name(whopair)[3]) != 0) + return (SET_ERROR(EPERM)); + } + return (0); +} + +typedef struct dsl_deleg_arg { + const char *dda_name; + nvlist_t *dda_nvlist; +} dsl_deleg_arg_t; + +static void +dsl_deleg_set_sync(void *arg, dmu_tx_t *tx) +{ + dsl_deleg_arg_t *dda = arg; + dsl_dir_t *dd; + dsl_pool_t *dp = dmu_tx_pool(tx); + objset_t *mos = dp->dp_meta_objset; + nvpair_t *whopair = NULL; + uint64_t zapobj; + + VERIFY0(dsl_dir_hold(dp, dda->dda_name, FTAG, &dd, NULL)); + + zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj; + if (zapobj == 0) { + dmu_buf_will_dirty(dd->dd_dbuf, tx); + zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj = zap_create(mos, + DMU_OT_DSL_PERMS, DMU_OT_NONE, 0, tx); + } + + while ((whopair = nvlist_next_nvpair(dda->dda_nvlist, whopair))) { + const char *whokey = nvpair_name(whopair); + nvlist_t *perms; + nvpair_t *permpair = NULL; + uint64_t jumpobj; + + perms = fnvpair_value_nvlist(whopair); + + if (zap_lookup(mos, zapobj, whokey, 8, 1, &jumpobj) != 0) { + jumpobj = zap_create_link(mos, DMU_OT_DSL_PERMS, + zapobj, whokey, tx); + } + + while ((permpair = nvlist_next_nvpair(perms, permpair))) { + const char *perm = nvpair_name(permpair); + uint64_t n = 0; + + VERIFY(zap_update(mos, jumpobj, + perm, 8, 1, &n, tx) == 0); + spa_history_log_internal_dd(dd, "permission update", tx, + "%s %s", whokey, perm); + } + } + dsl_dir_rele(dd, FTAG); +} + +static void +dsl_deleg_unset_sync(void *arg, dmu_tx_t *tx) +{ + dsl_deleg_arg_t *dda = arg; + dsl_dir_t *dd; + dsl_pool_t *dp = dmu_tx_pool(tx); + objset_t *mos = dp->dp_meta_objset; + nvpair_t *whopair = NULL; + uint64_t zapobj; + + VERIFY0(dsl_dir_hold(dp, dda->dda_name, FTAG, &dd, NULL)); + zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj; + if (zapobj == 0) { + dsl_dir_rele(dd, FTAG); + return; + } + + while ((whopair = nvlist_next_nvpair(dda->dda_nvlist, whopair))) { + const char *whokey = nvpair_name(whopair); + nvlist_t *perms; + nvpair_t *permpair = NULL; + uint64_t jumpobj; + + if (nvpair_value_nvlist(whopair, &perms) != 0) { + if (zap_lookup(mos, zapobj, whokey, 8, + 1, &jumpobj) == 0) { + (void) zap_remove(mos, zapobj, whokey, tx); + VERIFY(0 == zap_destroy(mos, jumpobj, tx)); + } + spa_history_log_internal_dd(dd, "permission who remove", + tx, "%s", whokey); + continue; + } + + if (zap_lookup(mos, zapobj, whokey, 8, 1, &jumpobj) != 0) + continue; + + while ((permpair = nvlist_next_nvpair(perms, permpair))) { + const char *perm = nvpair_name(permpair); + uint64_t n = 0; + + (void) zap_remove(mos, jumpobj, perm, tx); + if (zap_count(mos, jumpobj, &n) == 0 && n == 0) { + (void) zap_remove(mos, zapobj, + whokey, tx); + VERIFY(0 == zap_destroy(mos, + jumpobj, tx)); + } + spa_history_log_internal_dd(dd, "permission remove", tx, + "%s %s", whokey, perm); + } + } + dsl_dir_rele(dd, FTAG); +} + +static int +dsl_deleg_check(void *arg, dmu_tx_t *tx) +{ + dsl_deleg_arg_t *dda = arg; + dsl_dir_t *dd; + int error; + + if (spa_version(dmu_tx_pool(tx)->dp_spa) < + SPA_VERSION_DELEGATED_PERMS) { + return (SET_ERROR(ENOTSUP)); + } + + error = dsl_dir_hold(dmu_tx_pool(tx), dda->dda_name, FTAG, &dd, NULL); + if (error == 0) + dsl_dir_rele(dd, FTAG); + return (error); +} + +int +dsl_deleg_set(const char *ddname, nvlist_t *nvp, boolean_t unset) +{ + dsl_deleg_arg_t dda; + + /* nvp must already have been verified to be valid */ + + dda.dda_name = ddname; + dda.dda_nvlist = nvp; + + return (dsl_sync_task(ddname, dsl_deleg_check, + unset ? dsl_deleg_unset_sync : dsl_deleg_set_sync, + &dda, fnvlist_num_pairs(nvp), ZFS_SPACE_CHECK_RESERVED)); +} + +/* + * Find all 'allow' permissions from a given point and then continue + * traversing up to the root. + * + * This function constructs an nvlist of nvlists. + * each setpoint is an nvlist composed of an nvlist of an nvlist + * of the individual * users/groups/everyone/create + * permissions. + * + * The nvlist will look like this. + * + * { source fsname -> { whokeys { permissions,...}, ...}} + * + * The fsname nvpairs will be arranged in a bottom up order. For example, + * if we have the following structure a/b/c then the nvpairs for the fsnames + * will be ordered a/b/c, a/b, a. + */ +int +dsl_deleg_get(const char *ddname, nvlist_t **nvp) +{ + dsl_dir_t *dd, *startdd; + dsl_pool_t *dp; + int error; + objset_t *mos; + zap_cursor_t *basezc, *zc; + zap_attribute_t *baseza, *za; + char *source; + + error = dsl_pool_hold(ddname, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dir_hold(dp, ddname, FTAG, &startdd, NULL); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + dp = startdd->dd_pool; + mos = dp->dp_meta_objset; + + zc = kmem_alloc(sizeof (zap_cursor_t), KM_SLEEP); + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + basezc = kmem_alloc(sizeof (zap_cursor_t), KM_SLEEP); + baseza = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + source = kmem_alloc(MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, KM_SLEEP); + VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + for (dd = startdd; dd != NULL; dd = dd->dd_parent) { + nvlist_t *sp_nvp; + uint64_t n; + + if (dsl_dir_phys(dd)->dd_deleg_zapobj == 0 || + zap_count(mos, + dsl_dir_phys(dd)->dd_deleg_zapobj, &n) != 0 || n == 0) + continue; + + sp_nvp = fnvlist_alloc(); + for (zap_cursor_init(basezc, mos, + dsl_dir_phys(dd)->dd_deleg_zapobj); + zap_cursor_retrieve(basezc, baseza) == 0; + zap_cursor_advance(basezc)) { + nvlist_t *perms_nvp; + + ASSERT(baseza->za_integer_length == 8); + ASSERT(baseza->za_num_integers == 1); + + perms_nvp = fnvlist_alloc(); + for (zap_cursor_init(zc, mos, baseza->za_first_integer); + zap_cursor_retrieve(zc, za) == 0; + zap_cursor_advance(zc)) { + fnvlist_add_boolean(perms_nvp, za->za_name); + } + zap_cursor_fini(zc); + fnvlist_add_nvlist(sp_nvp, baseza->za_name, perms_nvp); + fnvlist_free(perms_nvp); + } + + zap_cursor_fini(basezc); + + dsl_dir_name(dd, source); + fnvlist_add_nvlist(*nvp, source, sp_nvp); + nvlist_free(sp_nvp); + } + + kmem_free(source, MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); + kmem_free(baseza, sizeof (zap_attribute_t)); + kmem_free(basezc, sizeof (zap_cursor_t)); + kmem_free(za, sizeof (zap_attribute_t)); + kmem_free(zc, sizeof (zap_cursor_t)); + + dsl_dir_rele(startdd, FTAG); + dsl_pool_rele(dp, FTAG); + return (0); +} + +/* + * Routines for dsl_deleg_access() -- access checking. + */ +typedef struct perm_set { + avl_node_t p_node; + boolean_t p_matched; + char p_setname[ZFS_MAX_DELEG_NAME]; +} perm_set_t; + +static int +perm_set_compare(const void *arg1, const void *arg2) +{ + const perm_set_t *node1 = arg1; + const perm_set_t *node2 = arg2; + int val; + + val = strcmp(node1->p_setname, node2->p_setname); + if (val == 0) + return (0); + return (val > 0 ? 1 : -1); +} + +/* + * Determine whether a specified permission exists. + * + * First the base attribute has to be retrieved. i.e. ul$12 + * Once the base object has been retrieved the actual permission + * is lookup up in the zap object the base object points to. + * + * Return 0 if permission exists, ENOENT if there is no whokey, EPERM if + * there is no perm in that jumpobj. + */ +static int +dsl_check_access(objset_t *mos, uint64_t zapobj, + char type, char checkflag, void *valp, const char *perm) +{ + int error; + uint64_t jumpobj, zero; + char whokey[ZFS_MAX_DELEG_NAME]; + + zfs_deleg_whokey(whokey, type, checkflag, valp); + error = zap_lookup(mos, zapobj, whokey, 8, 1, &jumpobj); + if (error == 0) { + error = zap_lookup(mos, jumpobj, perm, 8, 1, &zero); + if (error == ENOENT) + error = SET_ERROR(EPERM); + } + return (error); +} + +/* + * check a specified user/group for a requested permission + */ +static int +dsl_check_user_access(objset_t *mos, uint64_t zapobj, const char *perm, + int checkflag, cred_t *cr) +{ + const gid_t *gids; + int ngids; + int i; + uint64_t id; + + /* check for user */ + id = crgetuid(cr); + if (dsl_check_access(mos, zapobj, + ZFS_DELEG_USER, checkflag, &id, perm) == 0) + return (0); + + /* check for users primary group */ + id = crgetgid(cr); + if (dsl_check_access(mos, zapobj, + ZFS_DELEG_GROUP, checkflag, &id, perm) == 0) + return (0); + + /* check for everyone entry */ + id = -1; + if (dsl_check_access(mos, zapobj, + ZFS_DELEG_EVERYONE, checkflag, &id, perm) == 0) + return (0); + + /* check each supplemental group user is a member of */ + ngids = crgetngroups(cr); + gids = crgetgroups(cr); + for (i = 0; i != ngids; i++) { + id = gids[i]; + if (dsl_check_access(mos, zapobj, + ZFS_DELEG_GROUP, checkflag, &id, perm) == 0) + return (0); + } + + return (SET_ERROR(EPERM)); +} + +/* + * Iterate over the sets specified in the specified zapobj + * and load them into the permsets avl tree. + */ +static int +dsl_load_sets(objset_t *mos, uint64_t zapobj, + char type, char checkflag, void *valp, avl_tree_t *avl) +{ + zap_cursor_t zc; + zap_attribute_t za; + perm_set_t *permnode; + avl_index_t idx; + uint64_t jumpobj; + int error; + char whokey[ZFS_MAX_DELEG_NAME]; + + zfs_deleg_whokey(whokey, type, checkflag, valp); + + error = zap_lookup(mos, zapobj, whokey, 8, 1, &jumpobj); + if (error != 0) + return (error); + + for (zap_cursor_init(&zc, mos, jumpobj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + permnode = kmem_alloc(sizeof (perm_set_t), KM_SLEEP); + (void) strlcpy(permnode->p_setname, za.za_name, + sizeof (permnode->p_setname)); + permnode->p_matched = B_FALSE; + + if (avl_find(avl, permnode, &idx) == NULL) { + avl_insert(avl, permnode, idx); + } else { + kmem_free(permnode, sizeof (perm_set_t)); + } + } + zap_cursor_fini(&zc); + return (0); +} + +/* + * Load all permissions user based on cred belongs to. + */ +static void +dsl_load_user_sets(objset_t *mos, uint64_t zapobj, avl_tree_t *avl, + char checkflag, cred_t *cr) +{ + const gid_t *gids; + int ngids, i; + uint64_t id; + + id = crgetuid(cr); + (void) dsl_load_sets(mos, zapobj, + ZFS_DELEG_USER_SETS, checkflag, &id, avl); + + id = crgetgid(cr); + (void) dsl_load_sets(mos, zapobj, + ZFS_DELEG_GROUP_SETS, checkflag, &id, avl); + + (void) dsl_load_sets(mos, zapobj, + ZFS_DELEG_EVERYONE_SETS, checkflag, NULL, avl); + + ngids = crgetngroups(cr); + gids = crgetgroups(cr); + for (i = 0; i != ngids; i++) { + id = gids[i]; + (void) dsl_load_sets(mos, zapobj, + ZFS_DELEG_GROUP_SETS, checkflag, &id, avl); + } +} + +/* + * Check if user has requested permission. + */ +int +dsl_deleg_access_impl(dsl_dataset_t *ds, const char *perm, cred_t *cr) +{ + dsl_dir_t *dd; + dsl_pool_t *dp; + void *cookie; + int error; + char checkflag; + objset_t *mos; + avl_tree_t permsets; + perm_set_t *setnode; + + dp = ds->ds_dir->dd_pool; + mos = dp->dp_meta_objset; + + if (dsl_delegation_on(mos) == B_FALSE) + return (SET_ERROR(ECANCELED)); + + if (spa_version(dmu_objset_spa(dp->dp_meta_objset)) < + SPA_VERSION_DELEGATED_PERMS) + return (SET_ERROR(EPERM)); + + if (ds->ds_is_snapshot) { + /* + * Snapshots are treated as descendents only, + * local permissions do not apply. + */ + checkflag = ZFS_DELEG_DESCENDENT; + } else { + checkflag = ZFS_DELEG_LOCAL; + } + + avl_create(&permsets, perm_set_compare, sizeof (perm_set_t), + offsetof(perm_set_t, p_node)); + + ASSERT(dsl_pool_config_held(dp)); + for (dd = ds->ds_dir; dd != NULL; dd = dd->dd_parent, + checkflag = ZFS_DELEG_DESCENDENT) { + uint64_t zapobj; + boolean_t expanded; + + /* + * If not in global zone then make sure + * the zoned property is set + */ + if (!INGLOBALZONE(curproc)) { + uint64_t zoned; + + if (dsl_prop_get_dd(dd, + zfs_prop_to_name(ZFS_PROP_ZONED), + 8, 1, &zoned, NULL, B_FALSE) != 0) + break; + if (!zoned) + break; + } + zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj; + + if (zapobj == 0) + continue; + + dsl_load_user_sets(mos, zapobj, &permsets, checkflag, cr); +again: + expanded = B_FALSE; + for (setnode = avl_first(&permsets); setnode; + setnode = AVL_NEXT(&permsets, setnode)) { + if (setnode->p_matched == B_TRUE) + continue; + + /* See if this set directly grants this permission */ + error = dsl_check_access(mos, zapobj, + ZFS_DELEG_NAMED_SET, 0, setnode->p_setname, perm); + if (error == 0) + goto success; + if (error == EPERM) + setnode->p_matched = B_TRUE; + + /* See if this set includes other sets */ + error = dsl_load_sets(mos, zapobj, + ZFS_DELEG_NAMED_SET_SETS, 0, + setnode->p_setname, &permsets); + if (error == 0) + setnode->p_matched = expanded = B_TRUE; + } + /* + * If we expanded any sets, that will define more sets, + * which we need to check. + */ + if (expanded) + goto again; + + error = dsl_check_user_access(mos, zapobj, perm, checkflag, cr); + if (error == 0) + goto success; + } + error = SET_ERROR(EPERM); +success: + + cookie = NULL; + while ((setnode = avl_destroy_nodes(&permsets, &cookie)) != NULL) + kmem_free(setnode, sizeof (perm_set_t)); + + return (error); +} + +int +dsl_deleg_access(const char *dsname, const char *perm, cred_t *cr) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + int error; + + error = dsl_pool_hold(dsname, FTAG, &dp); + if (error != 0) + return (error); + error = dsl_dataset_hold(dp, dsname, FTAG, &ds); + if (error == 0) { + error = dsl_deleg_access_impl(ds, perm, cr); + dsl_dataset_rele(ds, FTAG); + } + dsl_pool_rele(dp, FTAG); + + return (error); +} + +/* + * Other routines. + */ + +static void +copy_create_perms(dsl_dir_t *dd, uint64_t pzapobj, + boolean_t dosets, uint64_t uid, dmu_tx_t *tx) +{ + objset_t *mos = dd->dd_pool->dp_meta_objset; + uint64_t jumpobj, pjumpobj; + uint64_t zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj; + zap_cursor_t zc; + zap_attribute_t za; + char whokey[ZFS_MAX_DELEG_NAME]; + + zfs_deleg_whokey(whokey, + dosets ? ZFS_DELEG_CREATE_SETS : ZFS_DELEG_CREATE, + ZFS_DELEG_LOCAL, NULL); + if (zap_lookup(mos, pzapobj, whokey, 8, 1, &pjumpobj) != 0) + return; + + if (zapobj == 0) { + dmu_buf_will_dirty(dd->dd_dbuf, tx); + zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj = zap_create(mos, + DMU_OT_DSL_PERMS, DMU_OT_NONE, 0, tx); + } + + zfs_deleg_whokey(whokey, + dosets ? ZFS_DELEG_USER_SETS : ZFS_DELEG_USER, + ZFS_DELEG_LOCAL, &uid); + if (zap_lookup(mos, zapobj, whokey, 8, 1, &jumpobj) == ENOENT) { + jumpobj = zap_create(mos, DMU_OT_DSL_PERMS, DMU_OT_NONE, 0, tx); + VERIFY(zap_add(mos, zapobj, whokey, 8, 1, &jumpobj, tx) == 0); + } + + for (zap_cursor_init(&zc, mos, pjumpobj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + uint64_t zero = 0; + ASSERT(za.za_integer_length == 8 && za.za_num_integers == 1); + + VERIFY(zap_update(mos, jumpobj, za.za_name, + 8, 1, &zero, tx) == 0); + } + zap_cursor_fini(&zc); +} + +/* + * set all create time permission on new dataset. + */ +void +dsl_deleg_set_create_perms(dsl_dir_t *sdd, dmu_tx_t *tx, cred_t *cr) +{ + dsl_dir_t *dd; + uint64_t uid = crgetuid(cr); + + if (spa_version(dmu_objset_spa(sdd->dd_pool->dp_meta_objset)) < + SPA_VERSION_DELEGATED_PERMS) + return; + + for (dd = sdd->dd_parent; dd != NULL; dd = dd->dd_parent) { + uint64_t pzapobj = dsl_dir_phys(dd)->dd_deleg_zapobj; + + if (pzapobj == 0) + continue; + + copy_create_perms(sdd, pzapobj, B_FALSE, uid, tx); + copy_create_perms(sdd, pzapobj, B_TRUE, uid, tx); + } +} + +int +dsl_deleg_destroy(objset_t *mos, uint64_t zapobj, dmu_tx_t *tx) +{ + zap_cursor_t zc; + zap_attribute_t za; + + if (zapobj == 0) + return (0); + + for (zap_cursor_init(&zc, mos, zapobj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + ASSERT(za.za_integer_length == 8 && za.za_num_integers == 1); + VERIFY(0 == zap_destroy(mos, za.za_first_integer, tx)); + } + zap_cursor_fini(&zc); + VERIFY(0 == zap_destroy(mos, zapobj, tx)); + return (0); +} + +boolean_t +dsl_delegation_on(objset_t *os) +{ + return (!!spa_delegation(os->os_spa)); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dsl_deleg_get); +EXPORT_SYMBOL(dsl_deleg_set); +#endif diff --git a/zfs/module/zfs/dsl_destroy.c b/zfs/module/zfs/dsl_destroy.c new file mode 100644 index 000000000000..34d076e9f2ae --- /dev/null +++ b/zfs/module/zfs/dsl_destroy.c @@ -0,0 +1,990 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. + * Copyright (c) 2013 by Joyent, Inc. All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +typedef struct dmu_snapshots_destroy_arg { + nvlist_t *dsda_snaps; + nvlist_t *dsda_successful_snaps; + boolean_t dsda_defer; + nvlist_t *dsda_errlist; +} dmu_snapshots_destroy_arg_t; + +int +dsl_destroy_snapshot_check_impl(dsl_dataset_t *ds, boolean_t defer) +{ + if (!ds->ds_is_snapshot) + return (SET_ERROR(EINVAL)); + + if (dsl_dataset_long_held(ds)) + return (SET_ERROR(EBUSY)); + + /* + * Only allow deferred destroy on pools that support it. + * NOTE: deferred destroy is only supported on snapshots. + */ + if (defer) { + if (spa_version(ds->ds_dir->dd_pool->dp_spa) < + SPA_VERSION_USERREFS) + return (SET_ERROR(ENOTSUP)); + return (0); + } + + /* + * If this snapshot has an elevated user reference count, + * we can't destroy it yet. + */ + if (ds->ds_userrefs > 0) + return (SET_ERROR(EBUSY)); + + /* + * Can't delete a branch point. + */ + if (dsl_dataset_phys(ds)->ds_num_children > 1) + return (SET_ERROR(EEXIST)); + + return (0); +} + +static int +dsl_destroy_snapshot_check(void *arg, dmu_tx_t *tx) +{ + dmu_snapshots_destroy_arg_t *dsda = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + nvpair_t *pair; + int error = 0; + + if (!dmu_tx_is_syncing(tx)) + return (0); + + for (pair = nvlist_next_nvpair(dsda->dsda_snaps, NULL); + pair != NULL; pair = nvlist_next_nvpair(dsda->dsda_snaps, pair)) { + dsl_dataset_t *ds; + + error = dsl_dataset_hold(dp, nvpair_name(pair), + FTAG, &ds); + + /* + * If the snapshot does not exist, silently ignore it + * (it's "already destroyed"). + */ + if (error == ENOENT) + continue; + + if (error == 0) { + error = dsl_destroy_snapshot_check_impl(ds, + dsda->dsda_defer); + dsl_dataset_rele(ds, FTAG); + } + + if (error == 0) { + fnvlist_add_boolean(dsda->dsda_successful_snaps, + nvpair_name(pair)); + } else { + fnvlist_add_int32(dsda->dsda_errlist, + nvpair_name(pair), error); + } + } + + pair = nvlist_next_nvpair(dsda->dsda_errlist, NULL); + if (pair != NULL) + return (fnvpair_value_int32(pair)); + + return (0); +} + +struct process_old_arg { + dsl_dataset_t *ds; + dsl_dataset_t *ds_prev; + boolean_t after_branch_point; + zio_t *pio; + uint64_t used, comp, uncomp; +}; + +static int +process_old_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) +{ + struct process_old_arg *poa = arg; + dsl_pool_t *dp = poa->ds->ds_dir->dd_pool; + + ASSERT(!BP_IS_HOLE(bp)); + + if (bp->blk_birth <= dsl_dataset_phys(poa->ds)->ds_prev_snap_txg) { + dsl_deadlist_insert(&poa->ds->ds_deadlist, bp, tx); + if (poa->ds_prev && !poa->after_branch_point && + bp->blk_birth > + dsl_dataset_phys(poa->ds_prev)->ds_prev_snap_txg) { + dsl_dataset_phys(poa->ds_prev)->ds_unique_bytes += + bp_get_dsize_sync(dp->dp_spa, bp); + } + } else { + poa->used += bp_get_dsize_sync(dp->dp_spa, bp); + poa->comp += BP_GET_PSIZE(bp); + poa->uncomp += BP_GET_UCSIZE(bp); + dsl_free_sync(poa->pio, dp, tx->tx_txg, bp); + } + return (0); +} + +static void +process_old_deadlist(dsl_dataset_t *ds, dsl_dataset_t *ds_prev, + dsl_dataset_t *ds_next, boolean_t after_branch_point, dmu_tx_t *tx) +{ + struct process_old_arg poa = { 0 }; + dsl_pool_t *dp = ds->ds_dir->dd_pool; + objset_t *mos = dp->dp_meta_objset; + uint64_t deadlist_obj; + + ASSERT(ds->ds_deadlist.dl_oldfmt); + ASSERT(ds_next->ds_deadlist.dl_oldfmt); + + poa.ds = ds; + poa.ds_prev = ds_prev; + poa.after_branch_point = after_branch_point; + poa.pio = zio_root(dp->dp_spa, NULL, NULL, ZIO_FLAG_MUSTSUCCEED); + VERIFY0(bpobj_iterate(&ds_next->ds_deadlist.dl_bpobj, + process_old_cb, &poa, tx)); + VERIFY0(zio_wait(poa.pio)); + ASSERT3U(poa.used, ==, dsl_dataset_phys(ds)->ds_unique_bytes); + + /* change snapused */ + dsl_dir_diduse_space(ds->ds_dir, DD_USED_SNAP, + -poa.used, -poa.comp, -poa.uncomp, tx); + + /* swap next's deadlist to our deadlist */ + dsl_deadlist_close(&ds->ds_deadlist); + dsl_deadlist_close(&ds_next->ds_deadlist); + deadlist_obj = dsl_dataset_phys(ds)->ds_deadlist_obj; + dsl_dataset_phys(ds)->ds_deadlist_obj = + dsl_dataset_phys(ds_next)->ds_deadlist_obj; + dsl_dataset_phys(ds_next)->ds_deadlist_obj = deadlist_obj; + dsl_deadlist_open(&ds->ds_deadlist, mos, + dsl_dataset_phys(ds)->ds_deadlist_obj); + dsl_deadlist_open(&ds_next->ds_deadlist, mos, + dsl_dataset_phys(ds_next)->ds_deadlist_obj); +} + +static void +dsl_dataset_remove_clones_key(dsl_dataset_t *ds, uint64_t mintxg, dmu_tx_t *tx) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + zap_cursor_t *zc; + zap_attribute_t *za; + + /* + * If it is the old version, dd_clones doesn't exist so we can't + * find the clones, but dsl_deadlist_remove_key() is a no-op so it + * doesn't matter. + */ + if (dsl_dir_phys(ds->ds_dir)->dd_clones == 0) + return; + + zc = kmem_alloc(sizeof (zap_cursor_t), KM_SLEEP); + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + + for (zap_cursor_init(zc, mos, dsl_dir_phys(ds->ds_dir)->dd_clones); + zap_cursor_retrieve(zc, za) == 0; + zap_cursor_advance(zc)) { + dsl_dataset_t *clone; + + VERIFY0(dsl_dataset_hold_obj(ds->ds_dir->dd_pool, + za->za_first_integer, FTAG, &clone)); + if (clone->ds_dir->dd_origin_txg > mintxg) { + dsl_deadlist_remove_key(&clone->ds_deadlist, + mintxg, tx); + dsl_dataset_remove_clones_key(clone, mintxg, tx); + } + dsl_dataset_rele(clone, FTAG); + } + zap_cursor_fini(zc); + + kmem_free(za, sizeof (zap_attribute_t)); + kmem_free(zc, sizeof (zap_cursor_t)); +} + +void +dsl_destroy_snapshot_sync_impl(dsl_dataset_t *ds, boolean_t defer, dmu_tx_t *tx) +{ + int after_branch_point = FALSE; + dsl_pool_t *dp = ds->ds_dir->dd_pool; + objset_t *mos = dp->dp_meta_objset; + dsl_dataset_t *ds_prev = NULL; + uint64_t obj, old_unique, used = 0, comp = 0, uncomp = 0; + dsl_dataset_t *ds_next, *ds_head, *hds; + + + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + ASSERT3U(dsl_dataset_phys(ds)->ds_bp.blk_birth, <=, tx->tx_txg); + ASSERT(refcount_is_zero(&ds->ds_longholds)); + + if (defer && + (ds->ds_userrefs > 0 || + dsl_dataset_phys(ds)->ds_num_children > 1)) { + ASSERT(spa_version(dp->dp_spa) >= SPA_VERSION_USERREFS); + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_flags |= DS_FLAG_DEFER_DESTROY; + spa_history_log_internal_ds(ds, "defer_destroy", tx, ""); + return; + } + + ASSERT3U(dsl_dataset_phys(ds)->ds_num_children, <=, 1); + + /* We need to log before removing it from the namespace. */ + spa_history_log_internal_ds(ds, "destroy", tx, ""); + + dsl_scan_ds_destroyed(ds, tx); + + obj = ds->ds_object; + + if (ds->ds_large_blocks) { + ASSERT0(zap_contains(mos, obj, DS_FIELD_LARGE_BLOCKS)); + spa_feature_decr(dp->dp_spa, SPA_FEATURE_LARGE_BLOCKS, tx); + } + if (dsl_dataset_phys(ds)->ds_prev_snap_obj != 0) { + ASSERT3P(ds->ds_prev, ==, NULL); + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, FTAG, &ds_prev)); + after_branch_point = + (dsl_dataset_phys(ds_prev)->ds_next_snap_obj != obj); + + dmu_buf_will_dirty(ds_prev->ds_dbuf, tx); + if (after_branch_point && + dsl_dataset_phys(ds_prev)->ds_next_clones_obj != 0) { + dsl_dataset_remove_from_next_clones(ds_prev, obj, tx); + if (dsl_dataset_phys(ds)->ds_next_snap_obj != 0) { + VERIFY0(zap_add_int(mos, + dsl_dataset_phys(ds_prev)-> + ds_next_clones_obj, + dsl_dataset_phys(ds)->ds_next_snap_obj, + tx)); + } + } + if (!after_branch_point) { + dsl_dataset_phys(ds_prev)->ds_next_snap_obj = + dsl_dataset_phys(ds)->ds_next_snap_obj; + } + } + + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_next_snap_obj, FTAG, &ds_next)); + ASSERT3U(dsl_dataset_phys(ds_next)->ds_prev_snap_obj, ==, obj); + + old_unique = dsl_dataset_phys(ds_next)->ds_unique_bytes; + + dmu_buf_will_dirty(ds_next->ds_dbuf, tx); + dsl_dataset_phys(ds_next)->ds_prev_snap_obj = + dsl_dataset_phys(ds)->ds_prev_snap_obj; + dsl_dataset_phys(ds_next)->ds_prev_snap_txg = + dsl_dataset_phys(ds)->ds_prev_snap_txg; + ASSERT3U(dsl_dataset_phys(ds)->ds_prev_snap_txg, ==, + ds_prev ? dsl_dataset_phys(ds_prev)->ds_creation_txg : 0); + + if (ds_next->ds_deadlist.dl_oldfmt) { + process_old_deadlist(ds, ds_prev, ds_next, + after_branch_point, tx); + } else { + /* Adjust prev's unique space. */ + if (ds_prev && !after_branch_point) { + dsl_deadlist_space_range(&ds_next->ds_deadlist, + dsl_dataset_phys(ds_prev)->ds_prev_snap_txg, + dsl_dataset_phys(ds)->ds_prev_snap_txg, + &used, &comp, &uncomp); + dsl_dataset_phys(ds_prev)->ds_unique_bytes += used; + } + + /* Adjust snapused. */ + dsl_deadlist_space_range(&ds_next->ds_deadlist, + dsl_dataset_phys(ds)->ds_prev_snap_txg, UINT64_MAX, + &used, &comp, &uncomp); + dsl_dir_diduse_space(ds->ds_dir, DD_USED_SNAP, + -used, -comp, -uncomp, tx); + + /* Move blocks to be freed to pool's free list. */ + dsl_deadlist_move_bpobj(&ds_next->ds_deadlist, + &dp->dp_free_bpobj, dsl_dataset_phys(ds)->ds_prev_snap_txg, + tx); + dsl_dir_diduse_space(tx->tx_pool->dp_free_dir, + DD_USED_HEAD, used, comp, uncomp, tx); + + /* Merge our deadlist into next's and free it. */ + dsl_deadlist_merge(&ds_next->ds_deadlist, + dsl_dataset_phys(ds)->ds_deadlist_obj, tx); + } + dsl_deadlist_close(&ds->ds_deadlist); + dsl_deadlist_free(mos, dsl_dataset_phys(ds)->ds_deadlist_obj, tx); + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_deadlist_obj = 0; + + /* Collapse range in clone heads */ + dsl_dataset_remove_clones_key(ds, + dsl_dataset_phys(ds)->ds_creation_txg, tx); + + if (ds_next->ds_is_snapshot) { + dsl_dataset_t *ds_nextnext; + + /* + * Update next's unique to include blocks which + * were previously shared by only this snapshot + * and it. Those blocks will be born after the + * prev snap and before this snap, and will have + * died after the next snap and before the one + * after that (ie. be on the snap after next's + * deadlist). + */ + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds_next)->ds_next_snap_obj, + FTAG, &ds_nextnext)); + dsl_deadlist_space_range(&ds_nextnext->ds_deadlist, + dsl_dataset_phys(ds)->ds_prev_snap_txg, + dsl_dataset_phys(ds)->ds_creation_txg, + &used, &comp, &uncomp); + dsl_dataset_phys(ds_next)->ds_unique_bytes += used; + dsl_dataset_rele(ds_nextnext, FTAG); + ASSERT3P(ds_next->ds_prev, ==, NULL); + + /* Collapse range in this head. */ + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj, FTAG, &hds)); + dsl_deadlist_remove_key(&hds->ds_deadlist, + dsl_dataset_phys(ds)->ds_creation_txg, tx); + dsl_dataset_rele(hds, FTAG); + + } else { + ASSERT3P(ds_next->ds_prev, ==, ds); + dsl_dataset_rele(ds_next->ds_prev, ds_next); + ds_next->ds_prev = NULL; + if (ds_prev) { + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, + ds_next, &ds_next->ds_prev)); + } + + dsl_dataset_recalc_head_uniq(ds_next); + + /* + * Reduce the amount of our unconsumed refreservation + * being charged to our parent by the amount of + * new unique data we have gained. + */ + if (old_unique < ds_next->ds_reserved) { + int64_t mrsdelta; + uint64_t new_unique = + dsl_dataset_phys(ds_next)->ds_unique_bytes; + + ASSERT(old_unique <= new_unique); + mrsdelta = MIN(new_unique - old_unique, + ds_next->ds_reserved - old_unique); + dsl_dir_diduse_space(ds->ds_dir, + DD_USED_REFRSRV, -mrsdelta, 0, 0, tx); + } + } + dsl_dataset_rele(ds_next, FTAG); + + /* + * This must be done after the dsl_traverse(), because it will + * re-open the objset. + */ + if (ds->ds_objset) { + dmu_objset_evict(ds->ds_objset); + ds->ds_objset = NULL; + } + + /* remove from snapshot namespace */ + ASSERT(dsl_dataset_phys(ds)->ds_snapnames_zapobj == 0); + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj, FTAG, &ds_head)); + VERIFY0(dsl_dataset_get_snapname(ds)); +#ifdef ZFS_DEBUG + { + uint64_t val; + int err; + + err = dsl_dataset_snap_lookup(ds_head, + ds->ds_snapname, &val); + ASSERT0(err); + ASSERT3U(val, ==, obj); + } +#endif + VERIFY0(dsl_dataset_snap_remove(ds_head, ds->ds_snapname, tx, B_TRUE)); + dsl_dataset_rele(ds_head, FTAG); + + if (ds_prev != NULL) + dsl_dataset_rele(ds_prev, FTAG); + + spa_prop_clear_bootfs(dp->dp_spa, ds->ds_object, tx); + + if (dsl_dataset_phys(ds)->ds_next_clones_obj != 0) { + ASSERTV(uint64_t count); + ASSERT0(zap_count(mos, + dsl_dataset_phys(ds)->ds_next_clones_obj, &count) && + count == 0); + VERIFY0(dmu_object_free(mos, + dsl_dataset_phys(ds)->ds_next_clones_obj, tx)); + } + if (dsl_dataset_phys(ds)->ds_props_obj != 0) + VERIFY0(zap_destroy(mos, dsl_dataset_phys(ds)->ds_props_obj, + tx)); + if (dsl_dataset_phys(ds)->ds_userrefs_obj != 0) + VERIFY0(zap_destroy(mos, dsl_dataset_phys(ds)->ds_userrefs_obj, + tx)); + dsl_dir_rele(ds->ds_dir, ds); + ds->ds_dir = NULL; + dmu_object_free_zapified(mos, obj, tx); +} + +static void +dsl_destroy_snapshot_sync(void *arg, dmu_tx_t *tx) +{ + dmu_snapshots_destroy_arg_t *dsda = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + nvpair_t *pair; + + for (pair = nvlist_next_nvpair(dsda->dsda_successful_snaps, NULL); + pair != NULL; + pair = nvlist_next_nvpair(dsda->dsda_successful_snaps, pair)) { + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dp, nvpair_name(pair), FTAG, &ds)); + + dsl_destroy_snapshot_sync_impl(ds, dsda->dsda_defer, tx); + zvol_remove_minors(dp->dp_spa, nvpair_name(pair), B_TRUE); + dsl_dataset_rele(ds, FTAG); + } +} + +/* + * The semantics of this function are described in the comment above + * lzc_destroy_snaps(). To summarize: + * + * The snapshots must all be in the same pool. + * + * Snapshots that don't exist will be silently ignored (considered to be + * "already deleted"). + * + * On success, all snaps will be destroyed and this will return 0. + * On failure, no snaps will be destroyed, the errlist will be filled in, + * and this will return an errno. + */ +int +dsl_destroy_snapshots_nvl(nvlist_t *snaps, boolean_t defer, + nvlist_t *errlist) +{ + dmu_snapshots_destroy_arg_t dsda; + int error; + nvpair_t *pair; + + pair = nvlist_next_nvpair(snaps, NULL); + if (pair == NULL) + return (0); + + dsda.dsda_snaps = snaps; + VERIFY0(nvlist_alloc(&dsda.dsda_successful_snaps, + NV_UNIQUE_NAME, KM_SLEEP)); + dsda.dsda_defer = defer; + dsda.dsda_errlist = errlist; + + error = dsl_sync_task(nvpair_name(pair), + dsl_destroy_snapshot_check, dsl_destroy_snapshot_sync, + &dsda, 0, ZFS_SPACE_CHECK_NONE); + fnvlist_free(dsda.dsda_successful_snaps); + + return (error); +} + +int +dsl_destroy_snapshot(const char *name, boolean_t defer) +{ + int error; + nvlist_t *nvl = fnvlist_alloc(); + nvlist_t *errlist = fnvlist_alloc(); + + fnvlist_add_boolean(nvl, name); + error = dsl_destroy_snapshots_nvl(nvl, defer, errlist); + fnvlist_free(errlist); + fnvlist_free(nvl); + return (error); +} + +struct killarg { + dsl_dataset_t *ds; + dmu_tx_t *tx; +}; + +/* ARGSUSED */ +static int +kill_blkptr(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) +{ + struct killarg *ka = arg; + dmu_tx_t *tx = ka->tx; + + if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) + return (0); + + if (zb->zb_level == ZB_ZIL_LEVEL) { + ASSERT(zilog != NULL); + /* + * It's a block in the intent log. It has no + * accounting, so just free it. + */ + dsl_free(ka->tx->tx_pool, ka->tx->tx_txg, bp); + } else { + ASSERT(zilog == NULL); + ASSERT3U(bp->blk_birth, >, + dsl_dataset_phys(ka->ds)->ds_prev_snap_txg); + (void) dsl_dataset_block_kill(ka->ds, bp, tx, B_FALSE); + } + + return (0); +} + +static void +old_synchronous_dataset_destroy(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + struct killarg ka; + + /* + * Free everything that we point to (that's born after + * the previous snapshot, if we are a clone) + * + * NB: this should be very quick, because we already + * freed all the objects in open context. + */ + ka.ds = ds; + ka.tx = tx; + VERIFY0(traverse_dataset(ds, + dsl_dataset_phys(ds)->ds_prev_snap_txg, TRAVERSE_POST, + kill_blkptr, &ka)); + ASSERT(!DS_UNIQUE_IS_ACCURATE(ds) || + dsl_dataset_phys(ds)->ds_unique_bytes == 0); +} + +typedef struct dsl_destroy_head_arg { + const char *ddha_name; +} dsl_destroy_head_arg_t; + +int +dsl_destroy_head_check_impl(dsl_dataset_t *ds, int expected_holds) +{ + int error; + uint64_t count; + objset_t *mos; + + ASSERT(!ds->ds_is_snapshot); + if (ds->ds_is_snapshot) + return (SET_ERROR(EINVAL)); + + if (refcount_count(&ds->ds_longholds) != expected_holds) + return (SET_ERROR(EBUSY)); + + mos = ds->ds_dir->dd_pool->dp_meta_objset; + + /* + * Can't delete a head dataset if there are snapshots of it. + * (Except if the only snapshots are from the branch we cloned + * from.) + */ + if (ds->ds_prev != NULL && + dsl_dataset_phys(ds->ds_prev)->ds_next_snap_obj == ds->ds_object) + return (SET_ERROR(EBUSY)); + + /* + * Can't delete if there are children of this fs. + */ + error = zap_count(mos, + dsl_dir_phys(ds->ds_dir)->dd_child_dir_zapobj, &count); + if (error != 0) + return (error); + if (count != 0) + return (SET_ERROR(EEXIST)); + + if (dsl_dir_is_clone(ds->ds_dir) && DS_IS_DEFER_DESTROY(ds->ds_prev) && + dsl_dataset_phys(ds->ds_prev)->ds_num_children == 2 && + ds->ds_prev->ds_userrefs == 0) { + /* We need to remove the origin snapshot as well. */ + if (!refcount_is_zero(&ds->ds_prev->ds_longholds)) + return (SET_ERROR(EBUSY)); + } + return (0); +} + +static int +dsl_destroy_head_check(void *arg, dmu_tx_t *tx) +{ + dsl_destroy_head_arg_t *ddha = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + int error; + + error = dsl_dataset_hold(dp, ddha->ddha_name, FTAG, &ds); + if (error != 0) + return (error); + + error = dsl_destroy_head_check_impl(ds, 0); + dsl_dataset_rele(ds, FTAG); + return (error); +} + +static void +dsl_dir_destroy_sync(uint64_t ddobj, dmu_tx_t *tx) +{ + dsl_dir_t *dd; + dsl_pool_t *dp = dmu_tx_pool(tx); + objset_t *mos = dp->dp_meta_objset; + dd_used_t t; + + ASSERT(RRW_WRITE_HELD(&dmu_tx_pool(tx)->dp_config_rwlock)); + + VERIFY0(dsl_dir_hold_obj(dp, ddobj, NULL, FTAG, &dd)); + + ASSERT0(dsl_dir_phys(dd)->dd_head_dataset_obj); + + /* + * Decrement the filesystem count for all parent filesystems. + * + * When we receive an incremental stream into a filesystem that already + * exists, a temporary clone is created. We never count this temporary + * clone, whose name begins with a '%'. + */ + if (dd->dd_myname[0] != '%' && dd->dd_parent != NULL) + dsl_fs_ss_count_adjust(dd->dd_parent, -1, + DD_FIELD_FILESYSTEM_COUNT, tx); + + /* + * Remove our reservation. The impl() routine avoids setting the + * actual property, which would require the (already destroyed) ds. + */ + dsl_dir_set_reservation_sync_impl(dd, 0, tx); + + ASSERT0(dsl_dir_phys(dd)->dd_used_bytes); + ASSERT0(dsl_dir_phys(dd)->dd_reserved); + for (t = 0; t < DD_USED_NUM; t++) + ASSERT0(dsl_dir_phys(dd)->dd_used_breakdown[t]); + + VERIFY0(zap_destroy(mos, dsl_dir_phys(dd)->dd_child_dir_zapobj, tx)); + VERIFY0(zap_destroy(mos, dsl_dir_phys(dd)->dd_props_zapobj, tx)); + VERIFY0(dsl_deleg_destroy(mos, dsl_dir_phys(dd)->dd_deleg_zapobj, tx)); + VERIFY0(zap_remove(mos, + dsl_dir_phys(dd->dd_parent)->dd_child_dir_zapobj, + dd->dd_myname, tx)); + + dsl_dir_rele(dd, FTAG); + dmu_object_free_zapified(mos, ddobj, tx); +} + +void +dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + dsl_pool_t *dp = dmu_tx_pool(tx); + objset_t *mos = dp->dp_meta_objset; + uint64_t obj, ddobj, prevobj = 0; + boolean_t rmorigin; + objset_t *os; + + ASSERT3U(dsl_dataset_phys(ds)->ds_num_children, <=, 1); + ASSERT(ds->ds_prev == NULL || + dsl_dataset_phys(ds->ds_prev)->ds_next_snap_obj != ds->ds_object); + ASSERT3U(dsl_dataset_phys(ds)->ds_bp.blk_birth, <=, tx->tx_txg); + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + + /* We need to log before removing it from the namespace. */ + spa_history_log_internal_ds(ds, "destroy", tx, ""); + + rmorigin = (dsl_dir_is_clone(ds->ds_dir) && + DS_IS_DEFER_DESTROY(ds->ds_prev) && + dsl_dataset_phys(ds->ds_prev)->ds_num_children == 2 && + ds->ds_prev->ds_userrefs == 0); + + /* Remove our reservation. */ + if (ds->ds_reserved != 0) { + dsl_dataset_set_refreservation_sync_impl(ds, + (ZPROP_SRC_NONE | ZPROP_SRC_LOCAL | ZPROP_SRC_RECEIVED), + 0, tx); + ASSERT0(ds->ds_reserved); + } + + if (ds->ds_large_blocks) + spa_feature_decr(dp->dp_spa, SPA_FEATURE_LARGE_BLOCKS, tx); + + dsl_scan_ds_destroyed(ds, tx); + + obj = ds->ds_object; + + if (dsl_dataset_phys(ds)->ds_prev_snap_obj != 0) { + /* This is a clone */ + ASSERT(ds->ds_prev != NULL); + ASSERT3U(dsl_dataset_phys(ds->ds_prev)->ds_next_snap_obj, !=, + obj); + ASSERT0(dsl_dataset_phys(ds)->ds_next_snap_obj); + + dmu_buf_will_dirty(ds->ds_prev->ds_dbuf, tx); + if (dsl_dataset_phys(ds->ds_prev)->ds_next_clones_obj != 0) { + dsl_dataset_remove_from_next_clones(ds->ds_prev, + obj, tx); + } + + ASSERT3U(dsl_dataset_phys(ds->ds_prev)->ds_num_children, >, 1); + dsl_dataset_phys(ds->ds_prev)->ds_num_children--; + } + + /* + * Destroy the deadlist. Unless it's a clone, the + * deadlist should be empty. (If it's a clone, it's + * safe to ignore the deadlist contents.) + */ + dsl_deadlist_close(&ds->ds_deadlist); + dsl_deadlist_free(mos, dsl_dataset_phys(ds)->ds_deadlist_obj, tx); + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_deadlist_obj = 0; + + VERIFY0(dmu_objset_from_ds(ds, &os)); + + if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_ASYNC_DESTROY)) { + old_synchronous_dataset_destroy(ds, tx); + } else { + /* + * Move the bptree into the pool's list of trees to + * clean up and update space accounting information. + */ + uint64_t used, comp, uncomp; + + zil_destroy_sync(dmu_objset_zil(os), tx); + + if (!spa_feature_is_active(dp->dp_spa, + SPA_FEATURE_ASYNC_DESTROY)) { + dsl_scan_t *scn = dp->dp_scan; + spa_feature_incr(dp->dp_spa, SPA_FEATURE_ASYNC_DESTROY, + tx); + dp->dp_bptree_obj = bptree_alloc(mos, tx); + VERIFY0(zap_add(mos, + DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_BPTREE_OBJ, sizeof (uint64_t), 1, + &dp->dp_bptree_obj, tx)); + ASSERT(!scn->scn_async_destroying); + scn->scn_async_destroying = B_TRUE; + } + + used = dsl_dir_phys(ds->ds_dir)->dd_used_bytes; + comp = dsl_dir_phys(ds->ds_dir)->dd_compressed_bytes; + uncomp = dsl_dir_phys(ds->ds_dir)->dd_uncompressed_bytes; + + ASSERT(!DS_UNIQUE_IS_ACCURATE(ds) || + dsl_dataset_phys(ds)->ds_unique_bytes == used); + + bptree_add(mos, dp->dp_bptree_obj, + &dsl_dataset_phys(ds)->ds_bp, + dsl_dataset_phys(ds)->ds_prev_snap_txg, + used, comp, uncomp, tx); + dsl_dir_diduse_space(ds->ds_dir, DD_USED_HEAD, + -used, -comp, -uncomp, tx); + dsl_dir_diduse_space(dp->dp_free_dir, DD_USED_HEAD, + used, comp, uncomp, tx); + } + + if (ds->ds_prev != NULL) { + if (spa_version(dp->dp_spa) >= SPA_VERSION_DIR_CLONES) { + VERIFY0(zap_remove_int(mos, + dsl_dir_phys(ds->ds_prev->ds_dir)->dd_clones, + ds->ds_object, tx)); + } + prevobj = ds->ds_prev->ds_object; + dsl_dataset_rele(ds->ds_prev, ds); + ds->ds_prev = NULL; + } + + /* + * This must be done after the dsl_traverse(), because it will + * re-open the objset. + */ + if (ds->ds_objset) { + dmu_objset_evict(ds->ds_objset); + ds->ds_objset = NULL; + } + + /* Erase the link in the dir */ + dmu_buf_will_dirty(ds->ds_dir->dd_dbuf, tx); + dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj = 0; + ddobj = ds->ds_dir->dd_object; + ASSERT(dsl_dataset_phys(ds)->ds_snapnames_zapobj != 0); + VERIFY0(zap_destroy(mos, + dsl_dataset_phys(ds)->ds_snapnames_zapobj, tx)); + + if (ds->ds_bookmarks != 0) { + VERIFY0(zap_destroy(mos, ds->ds_bookmarks, tx)); + spa_feature_decr(dp->dp_spa, SPA_FEATURE_BOOKMARKS, tx); + } + + spa_prop_clear_bootfs(dp->dp_spa, ds->ds_object, tx); + + ASSERT0(dsl_dataset_phys(ds)->ds_next_clones_obj); + ASSERT0(dsl_dataset_phys(ds)->ds_props_obj); + ASSERT0(dsl_dataset_phys(ds)->ds_userrefs_obj); + dsl_dir_rele(ds->ds_dir, ds); + ds->ds_dir = NULL; + dmu_object_free_zapified(mos, obj, tx); + + dsl_dir_destroy_sync(ddobj, tx); + + if (rmorigin) { + dsl_dataset_t *prev; + VERIFY0(dsl_dataset_hold_obj(dp, prevobj, FTAG, &prev)); + dsl_destroy_snapshot_sync_impl(prev, B_FALSE, tx); + dsl_dataset_rele(prev, FTAG); + } +} + +static void +dsl_destroy_head_sync(void *arg, dmu_tx_t *tx) +{ + dsl_destroy_head_arg_t *ddha = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dp, ddha->ddha_name, FTAG, &ds)); + dsl_destroy_head_sync_impl(ds, tx); + zvol_remove_minors(dp->dp_spa, ddha->ddha_name, B_TRUE); + dsl_dataset_rele(ds, FTAG); +} + +static void +dsl_destroy_head_begin_sync(void *arg, dmu_tx_t *tx) +{ + dsl_destroy_head_arg_t *ddha = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dp, ddha->ddha_name, FTAG, &ds)); + + /* Mark it as inconsistent on-disk, in case we crash */ + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_flags |= DS_FLAG_INCONSISTENT; + + spa_history_log_internal_ds(ds, "destroy begin", tx, ""); + dsl_dataset_rele(ds, FTAG); +} + +int +dsl_destroy_head(const char *name) +{ + dsl_destroy_head_arg_t ddha; + int error; + spa_t *spa; + boolean_t isenabled; + +#ifdef _KERNEL + zfs_destroy_unmount_origin(name); +#endif + + error = spa_open(name, &spa, FTAG); + if (error != 0) + return (error); + isenabled = spa_feature_is_enabled(spa, SPA_FEATURE_ASYNC_DESTROY); + spa_close(spa, FTAG); + + ddha.ddha_name = name; + + if (!isenabled) { + objset_t *os; + + error = dsl_sync_task(name, dsl_destroy_head_check, + dsl_destroy_head_begin_sync, &ddha, + 0, ZFS_SPACE_CHECK_NONE); + if (error != 0) + return (error); + + /* + * Head deletion is processed in one txg on old pools; + * remove the objects from open context so that the txg sync + * is not too long. + */ + error = dmu_objset_own(name, DMU_OST_ANY, B_FALSE, FTAG, &os); + if (error == 0) { + uint64_t obj; + uint64_t prev_snap_txg = + dsl_dataset_phys(dmu_objset_ds(os))-> + ds_prev_snap_txg; + for (obj = 0; error == 0; + error = dmu_object_next(os, &obj, FALSE, + prev_snap_txg)) + (void) dmu_free_long_object(os, obj); + /* sync out all frees */ + txg_wait_synced(dmu_objset_pool(os), 0); + dmu_objset_disown(os, FTAG); + } + } + + return (dsl_sync_task(name, dsl_destroy_head_check, + dsl_destroy_head_sync, &ddha, 0, ZFS_SPACE_CHECK_NONE)); +} + +/* + * Note, this function is used as the callback for dmu_objset_find(). We + * always return 0 so that we will continue to find and process + * inconsistent datasets, even if we encounter an error trying to + * process one of them. + */ +/* ARGSUSED */ +int +dsl_destroy_inconsistent(const char *dsname, void *arg) +{ + objset_t *os; + + if (dmu_objset_hold(dsname, FTAG, &os) == 0) { + boolean_t inconsistent = DS_IS_INCONSISTENT(dmu_objset_ds(os)); + dmu_objset_rele(os, FTAG); + if (inconsistent) + (void) dsl_destroy_head(dsname); + } + return (0); +} + + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dsl_destroy_head); +EXPORT_SYMBOL(dsl_destroy_head_sync_impl); +EXPORT_SYMBOL(dsl_dataset_user_hold_check_one); +EXPORT_SYMBOL(dsl_destroy_snapshot_sync_impl); +EXPORT_SYMBOL(dsl_destroy_inconsistent); +EXPORT_SYMBOL(dsl_dataset_user_release_tmp); +EXPORT_SYMBOL(dsl_destroy_head_check_impl); +#endif diff --git a/zfs/module/zfs/dsl_dir.c b/zfs/module/zfs/dsl_dir.c new file mode 100644 index 000000000000..762e2e5ff230 --- /dev/null +++ b/zfs/module/zfs/dsl_dir.c @@ -0,0 +1,2009 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 Martin Matuska. All rights reserved. + * Copyright (c) 2014 Joyent, Inc. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "zfs_namecheck.h" +#include "zfs_prop.h" + +/* + * Filesystem and Snapshot Limits + * ------------------------------ + * + * These limits are used to restrict the number of filesystems and/or snapshots + * that can be created at a given level in the tree or below. A typical + * use-case is with a delegated dataset where the administrator wants to ensure + * that a user within the zone is not creating too many additional filesystems + * or snapshots, even though they're not exceeding their space quota. + * + * The filesystem and snapshot counts are stored as extensible properties. This + * capability is controlled by a feature flag and must be enabled to be used. + * Once enabled, the feature is not active until the first limit is set. At + * that point, future operations to create/destroy filesystems or snapshots + * will validate and update the counts. + * + * Because the count properties will not exist before the feature is active, + * the counts are updated when a limit is first set on an uninitialized + * dsl_dir node in the tree (The filesystem/snapshot count on a node includes + * all of the nested filesystems/snapshots. Thus, a new leaf node has a + * filesystem count of 0 and a snapshot count of 0. Non-existent filesystem and + * snapshot count properties on a node indicate uninitialized counts on that + * node.) When first setting a limit on an uninitialized node, the code starts + * at the filesystem with the new limit and descends into all sub-filesystems + * to add the count properties. + * + * In practice this is lightweight since a limit is typically set when the + * filesystem is created and thus has no children. Once valid, changing the + * limit value won't require a re-traversal since the counts are already valid. + * When recursively fixing the counts, if a node with a limit is encountered + * during the descent, the counts are known to be valid and there is no need to + * descend into that filesystem's children. The counts on filesystems above the + * one with the new limit will still be uninitialized, unless a limit is + * eventually set on one of those filesystems. The counts are always recursively + * updated when a limit is set on a dataset, unless there is already a limit. + * When a new limit value is set on a filesystem with an existing limit, it is + * possible for the new limit to be less than the current count at that level + * since a user who can change the limit is also allowed to exceed the limit. + * + * Once the feature is active, then whenever a filesystem or snapshot is + * created, the code recurses up the tree, validating the new count against the + * limit at each initialized level. In practice, most levels will not have a + * limit set. If there is a limit at any initialized level up the tree, the + * check must pass or the creation will fail. Likewise, when a filesystem or + * snapshot is destroyed, the counts are recursively adjusted all the way up + * the initizized nodes in the tree. Renaming a filesystem into different point + * in the tree will first validate, then update the counts on each branch up to + * the common ancestor. A receive will also validate the counts and then update + * them. + * + * An exception to the above behavior is that the limit is not enforced if the + * user has permission to modify the limit. This is primarily so that + * recursive snapshots in the global zone always work. We want to prevent a + * denial-of-service in which a lower level delegated dataset could max out its + * limit and thus block recursive snapshots from being taken in the global zone. + * Because of this, it is possible for the snapshot count to be over the limit + * and snapshots taken in the global zone could cause a lower level dataset to + * hit or exceed its limit. The administrator taking the global zone recursive + * snapshot should be aware of this side-effect and behave accordingly. + * For consistency, the filesystem limit is also not enforced if the user can + * modify the limit. + * + * The filesystem and snapshot limits are validated by dsl_fs_ss_limit_check() + * and updated by dsl_fs_ss_count_adjust(). A new limit value is setup in + * dsl_dir_activate_fs_ss_limit() and the counts are adjusted, if necessary, by + * dsl_dir_init_fs_ss_count(). + * + * There is a special case when we receive a filesystem that already exists. In + * this case a temporary clone name of %X is created (see dmu_recv_begin). We + * never update the filesystem counts for temporary clones. + * + * Likewise, we do not update the snapshot counts for temporary snapshots, + * such as those created by zfs diff. + */ + +extern inline dsl_dir_phys_t *dsl_dir_phys(dsl_dir_t *dd); + +static uint64_t dsl_dir_space_towrite(dsl_dir_t *dd); + +static void +dsl_dir_evict(void *dbu) +{ + dsl_dir_t *dd = dbu; + int t; + ASSERTV(dsl_pool_t *dp = dd->dd_pool); + + dd->dd_dbuf = NULL; + + for (t = 0; t < TXG_SIZE; t++) { + ASSERT(!txg_list_member(&dp->dp_dirty_dirs, dd, t)); + ASSERT(dd->dd_tempreserved[t] == 0); + ASSERT(dd->dd_space_towrite[t] == 0); + } + + if (dd->dd_parent) + dsl_dir_async_rele(dd->dd_parent, dd); + + spa_async_close(dd->dd_pool->dp_spa, dd); + + /* + * The props callback list should have been cleaned up by + * objset_evict(). + */ + list_destroy(&dd->dd_prop_cbs); + mutex_destroy(&dd->dd_lock); + kmem_free(dd, sizeof (dsl_dir_t)); +} + +int +dsl_dir_hold_obj(dsl_pool_t *dp, uint64_t ddobj, + const char *tail, void *tag, dsl_dir_t **ddp) +{ + dmu_buf_t *dbuf; + dsl_dir_t *dd; + int err; + + ASSERT(dsl_pool_config_held(dp)); + + err = dmu_bonus_hold(dp->dp_meta_objset, ddobj, tag, &dbuf); + if (err != 0) + return (err); + dd = dmu_buf_get_user(dbuf); +#ifdef ZFS_DEBUG + { + dmu_object_info_t doi; + dmu_object_info_from_db(dbuf, &doi); + ASSERT3U(doi.doi_bonus_type, ==, DMU_OT_DSL_DIR); + ASSERT3U(doi.doi_bonus_size, >=, sizeof (dsl_dir_phys_t)); + } +#endif + if (dd == NULL) { + dsl_dir_t *winner; + + dd = kmem_zalloc(sizeof (dsl_dir_t), KM_SLEEP); + dd->dd_object = ddobj; + dd->dd_dbuf = dbuf; + dd->dd_pool = dp; + mutex_init(&dd->dd_lock, NULL, MUTEX_DEFAULT, NULL); + + list_create(&dd->dd_prop_cbs, sizeof (dsl_prop_cb_record_t), + offsetof(dsl_prop_cb_record_t, cbr_node)); + + dsl_dir_snap_cmtime_update(dd); + + if (dsl_dir_phys(dd)->dd_parent_obj) { + err = dsl_dir_hold_obj(dp, + dsl_dir_phys(dd)->dd_parent_obj, NULL, dd, + &dd->dd_parent); + if (err != 0) + goto errout; + if (tail) { +#ifdef ZFS_DEBUG + uint64_t foundobj; + + err = zap_lookup(dp->dp_meta_objset, + dsl_dir_phys(dd->dd_parent)-> + dd_child_dir_zapobj, tail, + sizeof (foundobj), 1, &foundobj); + ASSERT(err || foundobj == ddobj); +#endif + (void) strcpy(dd->dd_myname, tail); + } else { + err = zap_value_search(dp->dp_meta_objset, + dsl_dir_phys(dd->dd_parent)-> + dd_child_dir_zapobj, + ddobj, 0, dd->dd_myname); + } + if (err != 0) + goto errout; + } else { + (void) strcpy(dd->dd_myname, spa_name(dp->dp_spa)); + } + + if (dsl_dir_is_clone(dd)) { + dmu_buf_t *origin_bonus; + dsl_dataset_phys_t *origin_phys; + + /* + * We can't open the origin dataset, because + * that would require opening this dsl_dir. + * Just look at its phys directly instead. + */ + err = dmu_bonus_hold(dp->dp_meta_objset, + dsl_dir_phys(dd)->dd_origin_obj, FTAG, + &origin_bonus); + if (err != 0) + goto errout; + origin_phys = origin_bonus->db_data; + dd->dd_origin_txg = + origin_phys->ds_creation_txg; + dmu_buf_rele(origin_bonus, FTAG); + } + + dmu_buf_init_user(&dd->dd_dbu, dsl_dir_evict, &dd->dd_dbuf); + winner = dmu_buf_set_user_ie(dbuf, &dd->dd_dbu); + if (winner != NULL) { + if (dd->dd_parent) + dsl_dir_rele(dd->dd_parent, dd); + mutex_destroy(&dd->dd_lock); + kmem_free(dd, sizeof (dsl_dir_t)); + dd = winner; + } else { + spa_open_ref(dp->dp_spa, dd); + } + } + + /* + * The dsl_dir_t has both open-to-close and instantiate-to-evict + * holds on the spa. We need the open-to-close holds because + * otherwise the spa_refcnt wouldn't change when we open a + * dir which the spa also has open, so we could incorrectly + * think it was OK to unload/export/destroy the pool. We need + * the instantiate-to-evict hold because the dsl_dir_t has a + * pointer to the dd_pool, which has a pointer to the spa_t. + */ + spa_open_ref(dp->dp_spa, tag); + ASSERT3P(dd->dd_pool, ==, dp); + ASSERT3U(dd->dd_object, ==, ddobj); + ASSERT3P(dd->dd_dbuf, ==, dbuf); + *ddp = dd; + return (0); + +errout: + if (dd->dd_parent) + dsl_dir_rele(dd->dd_parent, dd); + mutex_destroy(&dd->dd_lock); + kmem_free(dd, sizeof (dsl_dir_t)); + dmu_buf_rele(dbuf, tag); + return (err); +} + +void +dsl_dir_rele(dsl_dir_t *dd, void *tag) +{ + dprintf_dd(dd, "%s\n", ""); + spa_close(dd->dd_pool->dp_spa, tag); + dmu_buf_rele(dd->dd_dbuf, tag); +} + +/* + * Remove a reference to the given dsl dir that is being asynchronously + * released. Async releases occur from a taskq performing eviction of + * dsl datasets and dirs. This process is identical to a normal release + * with the exception of using the async API for releasing the reference on + * the spa. + */ +void +dsl_dir_async_rele(dsl_dir_t *dd, void *tag) +{ + dprintf_dd(dd, "%s\n", ""); + spa_async_close(dd->dd_pool->dp_spa, tag); + dmu_buf_rele(dd->dd_dbuf, tag); +} + +/* buf must be long enough (MAXNAMELEN + strlen(MOS_DIR_NAME) + 1 should do) */ +void +dsl_dir_name(dsl_dir_t *dd, char *buf) +{ + if (dd->dd_parent) { + dsl_dir_name(dd->dd_parent, buf); + (void) strcat(buf, "/"); + } else { + buf[0] = '\0'; + } + if (!MUTEX_HELD(&dd->dd_lock)) { + /* + * recursive mutex so that we can use + * dprintf_dd() with dd_lock held + */ + mutex_enter(&dd->dd_lock); + (void) strcat(buf, dd->dd_myname); + mutex_exit(&dd->dd_lock); + } else { + (void) strcat(buf, dd->dd_myname); + } +} + +/* Calculate name length, avoiding all the strcat calls of dsl_dir_name */ +int +dsl_dir_namelen(dsl_dir_t *dd) +{ + int result = 0; + + if (dd->dd_parent) { + /* parent's name + 1 for the "/" */ + result = dsl_dir_namelen(dd->dd_parent) + 1; + } + + if (!MUTEX_HELD(&dd->dd_lock)) { + /* see dsl_dir_name */ + mutex_enter(&dd->dd_lock); + result += strlen(dd->dd_myname); + mutex_exit(&dd->dd_lock); + } else { + result += strlen(dd->dd_myname); + } + + return (result); +} + +static int +getcomponent(const char *path, char *component, const char **nextp) +{ + char *p; + + if ((path == NULL) || (path[0] == '\0')) + return (SET_ERROR(ENOENT)); + /* This would be a good place to reserve some namespace... */ + p = strpbrk(path, "/@"); + if (p && (p[1] == '/' || p[1] == '@')) { + /* two separators in a row */ + return (SET_ERROR(EINVAL)); + } + if (p == NULL || p == path) { + /* + * if the first thing is an @ or /, it had better be an + * @ and it had better not have any more ats or slashes, + * and it had better have something after the @. + */ + if (p != NULL && + (p[0] != '@' || strpbrk(path+1, "/@") || p[1] == '\0')) + return (SET_ERROR(EINVAL)); + if (strlen(path) >= MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + (void) strcpy(component, path); + p = NULL; + } else if (p[0] == '/') { + if (p - path >= MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + (void) strncpy(component, path, p - path); + component[p - path] = '\0'; + p++; + } else if (p[0] == '@') { + /* + * if the next separator is an @, there better not be + * any more slashes. + */ + if (strchr(path, '/')) + return (SET_ERROR(EINVAL)); + if (p - path >= MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + (void) strncpy(component, path, p - path); + component[p - path] = '\0'; + } else { + panic("invalid p=%p", (void *)p); + } + *nextp = p; + return (0); +} + +/* + * Return the dsl_dir_t, and possibly the last component which couldn't + * be found in *tail. The name must be in the specified dsl_pool_t. This + * thread must hold the dp_config_rwlock for the pool. Returns NULL if the + * path is bogus, or if tail==NULL and we couldn't parse the whole name. + * (*tail)[0] == '@' means that the last component is a snapshot. + */ +int +dsl_dir_hold(dsl_pool_t *dp, const char *name, void *tag, + dsl_dir_t **ddp, const char **tailp) +{ + char *buf; + const char *spaname, *next, *nextnext = NULL; + int err; + dsl_dir_t *dd; + uint64_t ddobj; + + buf = kmem_alloc(MAXNAMELEN, KM_SLEEP); + err = getcomponent(name, buf, &next); + if (err != 0) + goto error; + + /* Make sure the name is in the specified pool. */ + spaname = spa_name(dp->dp_spa); + if (strcmp(buf, spaname) != 0) { + err = SET_ERROR(EXDEV); + goto error; + } + + ASSERT(dsl_pool_config_held(dp)); + + err = dsl_dir_hold_obj(dp, dp->dp_root_dir_obj, NULL, tag, &dd); + if (err != 0) { + goto error; + } + + while (next != NULL) { + dsl_dir_t *child_dd; + err = getcomponent(next, buf, &nextnext); + if (err != 0) + break; + ASSERT(next[0] != '\0'); + if (next[0] == '@') + break; + dprintf("looking up %s in obj%lld\n", + buf, dsl_dir_phys(dd)->dd_child_dir_zapobj); + + err = zap_lookup(dp->dp_meta_objset, + dsl_dir_phys(dd)->dd_child_dir_zapobj, + buf, sizeof (ddobj), 1, &ddobj); + if (err != 0) { + if (err == ENOENT) + err = 0; + break; + } + + err = dsl_dir_hold_obj(dp, ddobj, buf, tag, &child_dd); + if (err != 0) + break; + dsl_dir_rele(dd, tag); + dd = child_dd; + next = nextnext; + } + + if (err != 0) { + dsl_dir_rele(dd, tag); + goto error; + } + + /* + * It's an error if there's more than one component left, or + * tailp==NULL and there's any component left. + */ + if (next != NULL && + (tailp == NULL || (nextnext && nextnext[0] != '\0'))) { + /* bad path name */ + dsl_dir_rele(dd, tag); + dprintf("next=%p (%s) tail=%p\n", next, next?next:"", tailp); + err = SET_ERROR(ENOENT); + } + if (tailp != NULL) + *tailp = next; + *ddp = dd; +error: + kmem_free(buf, MAXNAMELEN); + return (err); +} + +/* + * If the counts are already initialized for this filesystem and its + * descendants then do nothing, otherwise initialize the counts. + * + * The counts on this filesystem, and those below, may be uninitialized due to + * either the use of a pre-existing pool which did not support the + * filesystem/snapshot limit feature, or one in which the feature had not yet + * been enabled. + * + * Recursively descend the filesystem tree and update the filesystem/snapshot + * counts on each filesystem below, then update the cumulative count on the + * current filesystem. If the filesystem already has a count set on it, + * then we know that its counts, and the counts on the filesystems below it, + * are already correct, so we don't have to update this filesystem. + */ +static void +dsl_dir_init_fs_ss_count(dsl_dir_t *dd, dmu_tx_t *tx) +{ + uint64_t my_fs_cnt = 0; + uint64_t my_ss_cnt = 0; + dsl_pool_t *dp = dd->dd_pool; + objset_t *os = dp->dp_meta_objset; + zap_cursor_t *zc; + zap_attribute_t *za; + dsl_dataset_t *ds; + + ASSERT(spa_feature_is_active(dp->dp_spa, SPA_FEATURE_FS_SS_LIMIT)); + ASSERT(dsl_pool_config_held(dp)); + ASSERT(dmu_tx_is_syncing(tx)); + + dsl_dir_zapify(dd, tx); + + /* + * If the filesystem count has already been initialized then we + * don't need to recurse down any further. + */ + if (zap_contains(os, dd->dd_object, DD_FIELD_FILESYSTEM_COUNT) == 0) + return; + + zc = kmem_alloc(sizeof (zap_cursor_t), KM_SLEEP); + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + + /* Iterate my child dirs */ + for (zap_cursor_init(zc, os, dsl_dir_phys(dd)->dd_child_dir_zapobj); + zap_cursor_retrieve(zc, za) == 0; zap_cursor_advance(zc)) { + dsl_dir_t *chld_dd; + uint64_t count; + + VERIFY0(dsl_dir_hold_obj(dp, za->za_first_integer, NULL, FTAG, + &chld_dd)); + + /* + * Ignore hidden ($FREE, $MOS & $ORIGIN) objsets and + * temporary datasets. + */ + if (chld_dd->dd_myname[0] == '$' || + chld_dd->dd_myname[0] == '%') { + dsl_dir_rele(chld_dd, FTAG); + continue; + } + + my_fs_cnt++; /* count this child */ + + dsl_dir_init_fs_ss_count(chld_dd, tx); + + VERIFY0(zap_lookup(os, chld_dd->dd_object, + DD_FIELD_FILESYSTEM_COUNT, sizeof (count), 1, &count)); + my_fs_cnt += count; + VERIFY0(zap_lookup(os, chld_dd->dd_object, + DD_FIELD_SNAPSHOT_COUNT, sizeof (count), 1, &count)); + my_ss_cnt += count; + + dsl_dir_rele(chld_dd, FTAG); + } + zap_cursor_fini(zc); + /* Count my snapshots (we counted children's snapshots above) */ + VERIFY0(dsl_dataset_hold_obj(dd->dd_pool, + dsl_dir_phys(dd)->dd_head_dataset_obj, FTAG, &ds)); + + for (zap_cursor_init(zc, os, dsl_dataset_phys(ds)->ds_snapnames_zapobj); + zap_cursor_retrieve(zc, za) == 0; + zap_cursor_advance(zc)) { + /* Don't count temporary snapshots */ + if (za->za_name[0] != '%') + my_ss_cnt++; + } + zap_cursor_fini(zc); + + dsl_dataset_rele(ds, FTAG); + + kmem_free(zc, sizeof (zap_cursor_t)); + kmem_free(za, sizeof (zap_attribute_t)); + + /* we're in a sync task, update counts */ + dmu_buf_will_dirty(dd->dd_dbuf, tx); + VERIFY0(zap_add(os, dd->dd_object, DD_FIELD_FILESYSTEM_COUNT, + sizeof (my_fs_cnt), 1, &my_fs_cnt, tx)); + VERIFY0(zap_add(os, dd->dd_object, DD_FIELD_SNAPSHOT_COUNT, + sizeof (my_ss_cnt), 1, &my_ss_cnt, tx)); +} + +static int +dsl_dir_actv_fs_ss_limit_check(void *arg, dmu_tx_t *tx) +{ + char *ddname = (char *)arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + dsl_dir_t *dd; + int error; + + error = dsl_dataset_hold(dp, ddname, FTAG, &ds); + if (error != 0) + return (error); + + if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_FS_SS_LIMIT)) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENOTSUP)); + } + + dd = ds->ds_dir; + if (spa_feature_is_active(dp->dp_spa, SPA_FEATURE_FS_SS_LIMIT) && + dsl_dir_is_zapified(dd) && + zap_contains(dp->dp_meta_objset, dd->dd_object, + DD_FIELD_FILESYSTEM_COUNT) == 0) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(EALREADY)); + } + + dsl_dataset_rele(ds, FTAG); + return (0); +} + +static void +dsl_dir_actv_fs_ss_limit_sync(void *arg, dmu_tx_t *tx) +{ + char *ddname = (char *)arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + spa_t *spa; + + VERIFY0(dsl_dataset_hold(dp, ddname, FTAG, &ds)); + + spa = dsl_dataset_get_spa(ds); + + if (!spa_feature_is_active(spa, SPA_FEATURE_FS_SS_LIMIT)) { + /* + * Since the feature was not active and we're now setting a + * limit, increment the feature-active counter so that the + * feature becomes active for the first time. + * + * We are already in a sync task so we can update the MOS. + */ + spa_feature_incr(spa, SPA_FEATURE_FS_SS_LIMIT, tx); + } + + /* + * Since we are now setting a non-UINT64_MAX limit on the filesystem, + * we need to ensure the counts are correct. Descend down the tree from + * this point and update all of the counts to be accurate. + */ + dsl_dir_init_fs_ss_count(ds->ds_dir, tx); + + dsl_dataset_rele(ds, FTAG); +} + +/* + * Make sure the feature is enabled and activate it if necessary. + * Since we're setting a limit, ensure the on-disk counts are valid. + * This is only called by the ioctl path when setting a limit value. + * + * We do not need to validate the new limit, since users who can change the + * limit are also allowed to exceed the limit. + */ +int +dsl_dir_activate_fs_ss_limit(const char *ddname) +{ + int error; + + error = dsl_sync_task(ddname, dsl_dir_actv_fs_ss_limit_check, + dsl_dir_actv_fs_ss_limit_sync, (void *)ddname, 0, + ZFS_SPACE_CHECK_RESERVED); + + if (error == EALREADY) + error = 0; + + return (error); +} + +/* + * Used to determine if the filesystem_limit or snapshot_limit should be + * enforced. We allow the limit to be exceeded if the user has permission to + * write the property value. We pass in the creds that we got in the open + * context since we will always be the GZ root in syncing context. We also have + * to handle the case where we are allowed to change the limit on the current + * dataset, but there may be another limit in the tree above. + * + * We can never modify these two properties within a non-global zone. In + * addition, the other checks are modeled on zfs_secpolicy_write_perms. We + * can't use that function since we are already holding the dp_config_rwlock. + * In addition, we already have the dd and dealing with snapshots is simplified + * in this code. + */ + +typedef enum { + ENFORCE_ALWAYS, + ENFORCE_NEVER, + ENFORCE_ABOVE +} enforce_res_t; + +static enforce_res_t +dsl_enforce_ds_ss_limits(dsl_dir_t *dd, zfs_prop_t prop, cred_t *cr) +{ + enforce_res_t enforce = ENFORCE_ALWAYS; + uint64_t obj; + dsl_dataset_t *ds; + uint64_t zoned; + + ASSERT(prop == ZFS_PROP_FILESYSTEM_LIMIT || + prop == ZFS_PROP_SNAPSHOT_LIMIT); + +#ifdef _KERNEL + if (crgetzoneid(cr) != GLOBAL_ZONEID) + return (ENFORCE_ALWAYS); + + if (secpolicy_zfs(cr) == 0) + return (ENFORCE_NEVER); +#endif + + if ((obj = dsl_dir_phys(dd)->dd_head_dataset_obj) == 0) + return (ENFORCE_ALWAYS); + + ASSERT(dsl_pool_config_held(dd->dd_pool)); + + if (dsl_dataset_hold_obj(dd->dd_pool, obj, FTAG, &ds) != 0) + return (ENFORCE_ALWAYS); + + if (dsl_prop_get_ds(ds, "zoned", 8, 1, &zoned, NULL) || zoned) { + /* Only root can access zoned fs's from the GZ */ + enforce = ENFORCE_ALWAYS; + } else { + if (dsl_deleg_access_impl(ds, zfs_prop_to_name(prop), cr) == 0) + enforce = ENFORCE_ABOVE; + } + + dsl_dataset_rele(ds, FTAG); + return (enforce); +} + +/* + * Check if adding additional child filesystem(s) would exceed any filesystem + * limits or adding additional snapshot(s) would exceed any snapshot limits. + * The prop argument indicates which limit to check. + * + * Note that all filesystem limits up to the root (or the highest + * initialized) filesystem or the given ancestor must be satisfied. + */ +int +dsl_fs_ss_limit_check(dsl_dir_t *dd, uint64_t delta, zfs_prop_t prop, + dsl_dir_t *ancestor, cred_t *cr) +{ + objset_t *os = dd->dd_pool->dp_meta_objset; + uint64_t limit, count; + char *count_prop; + enforce_res_t enforce; + int err = 0; + + ASSERT(dsl_pool_config_held(dd->dd_pool)); + ASSERT(prop == ZFS_PROP_FILESYSTEM_LIMIT || + prop == ZFS_PROP_SNAPSHOT_LIMIT); + + /* + * If we're allowed to change the limit, don't enforce the limit + * e.g. this can happen if a snapshot is taken by an administrative + * user in the global zone (i.e. a recursive snapshot by root). + * However, we must handle the case of delegated permissions where we + * are allowed to change the limit on the current dataset, but there + * is another limit in the tree above. + */ + enforce = dsl_enforce_ds_ss_limits(dd, prop, cr); + if (enforce == ENFORCE_NEVER) + return (0); + + /* + * e.g. if renaming a dataset with no snapshots, count adjustment + * is 0. + */ + if (delta == 0) + return (0); + + if (prop == ZFS_PROP_SNAPSHOT_LIMIT) { + /* + * We don't enforce the limit for temporary snapshots. This is + * indicated by a NULL cred_t argument. + */ + if (cr == NULL) + return (0); + + count_prop = DD_FIELD_SNAPSHOT_COUNT; + } else { + count_prop = DD_FIELD_FILESYSTEM_COUNT; + } + + /* + * If an ancestor has been provided, stop checking the limit once we + * hit that dir. We need this during rename so that we don't overcount + * the check once we recurse up to the common ancestor. + */ + if (ancestor == dd) + return (0); + + /* + * If we hit an uninitialized node while recursing up the tree, we can + * stop since we know there is no limit here (or above). The counts are + * not valid on this node and we know we won't touch this node's counts. + */ + if (!dsl_dir_is_zapified(dd) || zap_lookup(os, dd->dd_object, + count_prop, sizeof (count), 1, &count) == ENOENT) + return (0); + + err = dsl_prop_get_dd(dd, zfs_prop_to_name(prop), 8, 1, &limit, NULL, + B_FALSE); + if (err != 0) + return (err); + + /* Is there a limit which we've hit? */ + if (enforce == ENFORCE_ALWAYS && (count + delta) > limit) + return (SET_ERROR(EDQUOT)); + + if (dd->dd_parent != NULL) + err = dsl_fs_ss_limit_check(dd->dd_parent, delta, prop, + ancestor, cr); + + return (err); +} + +/* + * Adjust the filesystem or snapshot count for the specified dsl_dir_t and all + * parents. When a new filesystem/snapshot is created, increment the count on + * all parents, and when a filesystem/snapshot is destroyed, decrement the + * count. + */ +void +dsl_fs_ss_count_adjust(dsl_dir_t *dd, int64_t delta, const char *prop, + dmu_tx_t *tx) +{ + int err; + objset_t *os = dd->dd_pool->dp_meta_objset; + uint64_t count; + + ASSERT(dsl_pool_config_held(dd->dd_pool)); + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(strcmp(prop, DD_FIELD_FILESYSTEM_COUNT) == 0 || + strcmp(prop, DD_FIELD_SNAPSHOT_COUNT) == 0); + + /* + * When we receive an incremental stream into a filesystem that already + * exists, a temporary clone is created. We don't count this temporary + * clone, whose name begins with a '%'. We also ignore hidden ($FREE, + * $MOS & $ORIGIN) objsets. + */ + if ((dd->dd_myname[0] == '%' || dd->dd_myname[0] == '$') && + strcmp(prop, DD_FIELD_FILESYSTEM_COUNT) == 0) + return; + + /* + * e.g. if renaming a dataset with no snapshots, count adjustment is 0 + */ + if (delta == 0) + return; + + /* + * If we hit an uninitialized node while recursing up the tree, we can + * stop since we know the counts are not valid on this node and we + * know we shouldn't touch this node's counts. An uninitialized count + * on the node indicates that either the feature has not yet been + * activated or there are no limits on this part of the tree. + */ + if (!dsl_dir_is_zapified(dd) || (err = zap_lookup(os, dd->dd_object, + prop, sizeof (count), 1, &count)) == ENOENT) + return; + VERIFY0(err); + + count += delta; + /* Use a signed verify to make sure we're not neg. */ + VERIFY3S(count, >=, 0); + + VERIFY0(zap_update(os, dd->dd_object, prop, sizeof (count), 1, &count, + tx)); + + /* Roll up this additional count into our ancestors */ + if (dd->dd_parent != NULL) + dsl_fs_ss_count_adjust(dd->dd_parent, delta, prop, tx); +} + +uint64_t +dsl_dir_create_sync(dsl_pool_t *dp, dsl_dir_t *pds, const char *name, + dmu_tx_t *tx) +{ + objset_t *mos = dp->dp_meta_objset; + uint64_t ddobj; + dsl_dir_phys_t *ddphys; + dmu_buf_t *dbuf; + + ddobj = dmu_object_alloc(mos, DMU_OT_DSL_DIR, 0, + DMU_OT_DSL_DIR, sizeof (dsl_dir_phys_t), tx); + if (pds) { + VERIFY(0 == zap_add(mos, dsl_dir_phys(pds)->dd_child_dir_zapobj, + name, sizeof (uint64_t), 1, &ddobj, tx)); + } else { + /* it's the root dir */ + VERIFY(0 == zap_add(mos, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_ROOT_DATASET, sizeof (uint64_t), 1, &ddobj, tx)); + } + VERIFY(0 == dmu_bonus_hold(mos, ddobj, FTAG, &dbuf)); + dmu_buf_will_dirty(dbuf, tx); + ddphys = dbuf->db_data; + + ddphys->dd_creation_time = gethrestime_sec(); + if (pds) { + ddphys->dd_parent_obj = pds->dd_object; + + /* update the filesystem counts */ + dsl_fs_ss_count_adjust(pds, 1, DD_FIELD_FILESYSTEM_COUNT, tx); + } + ddphys->dd_props_zapobj = zap_create(mos, + DMU_OT_DSL_PROPS, DMU_OT_NONE, 0, tx); + ddphys->dd_child_dir_zapobj = zap_create(mos, + DMU_OT_DSL_DIR_CHILD_MAP, DMU_OT_NONE, 0, tx); + if (spa_version(dp->dp_spa) >= SPA_VERSION_USED_BREAKDOWN) + ddphys->dd_flags |= DD_FLAG_USED_BREAKDOWN; + dmu_buf_rele(dbuf, FTAG); + + return (ddobj); +} + +boolean_t +dsl_dir_is_clone(dsl_dir_t *dd) +{ + return (dsl_dir_phys(dd)->dd_origin_obj && + (dd->dd_pool->dp_origin_snap == NULL || + dsl_dir_phys(dd)->dd_origin_obj != + dd->dd_pool->dp_origin_snap->ds_object)); +} + +void +dsl_dir_stats(dsl_dir_t *dd, nvlist_t *nv) +{ + mutex_enter(&dd->dd_lock); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USED, + dsl_dir_phys(dd)->dd_used_bytes); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_QUOTA, + dsl_dir_phys(dd)->dd_quota); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_RESERVATION, + dsl_dir_phys(dd)->dd_reserved); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_COMPRESSRATIO, + dsl_dir_phys(dd)->dd_compressed_bytes == 0 ? 100 : + (dsl_dir_phys(dd)->dd_uncompressed_bytes * 100 / + dsl_dir_phys(dd)->dd_compressed_bytes)); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_LOGICALUSED, + dsl_dir_phys(dd)->dd_uncompressed_bytes); + if (dsl_dir_phys(dd)->dd_flags & DD_FLAG_USED_BREAKDOWN) { + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USEDSNAP, + dsl_dir_phys(dd)->dd_used_breakdown[DD_USED_SNAP]); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USEDDS, + dsl_dir_phys(dd)->dd_used_breakdown[DD_USED_HEAD]); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USEDREFRESERV, + dsl_dir_phys(dd)->dd_used_breakdown[DD_USED_REFRSRV]); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USEDCHILD, + dsl_dir_phys(dd)->dd_used_breakdown[DD_USED_CHILD] + + dsl_dir_phys(dd)->dd_used_breakdown[DD_USED_CHILD_RSRV]); + } + mutex_exit(&dd->dd_lock); + + if (dsl_dir_is_zapified(dd)) { + uint64_t count; + objset_t *os = dd->dd_pool->dp_meta_objset; + + if (zap_lookup(os, dd->dd_object, DD_FIELD_FILESYSTEM_COUNT, + sizeof (count), 1, &count) == 0) { + dsl_prop_nvlist_add_uint64(nv, + ZFS_PROP_FILESYSTEM_COUNT, count); + } + if (zap_lookup(os, dd->dd_object, DD_FIELD_SNAPSHOT_COUNT, + sizeof (count), 1, &count) == 0) { + dsl_prop_nvlist_add_uint64(nv, + ZFS_PROP_SNAPSHOT_COUNT, count); + } + } + + if (dsl_dir_is_clone(dd)) { + dsl_dataset_t *ds; + char buf[MAXNAMELEN]; + + VERIFY0(dsl_dataset_hold_obj(dd->dd_pool, + dsl_dir_phys(dd)->dd_origin_obj, FTAG, &ds)); + dsl_dataset_name(ds, buf); + dsl_dataset_rele(ds, FTAG); + dsl_prop_nvlist_add_string(nv, ZFS_PROP_ORIGIN, buf); + } +} + +void +dsl_dir_dirty(dsl_dir_t *dd, dmu_tx_t *tx) +{ + dsl_pool_t *dp = dd->dd_pool; + + ASSERT(dsl_dir_phys(dd)); + + if (txg_list_add(&dp->dp_dirty_dirs, dd, tx->tx_txg)) { + /* up the hold count until we can be written out */ + dmu_buf_add_ref(dd->dd_dbuf, dd); + } +} + +static int64_t +parent_delta(dsl_dir_t *dd, uint64_t used, int64_t delta) +{ + uint64_t old_accounted = MAX(used, dsl_dir_phys(dd)->dd_reserved); + uint64_t new_accounted = + MAX(used + delta, dsl_dir_phys(dd)->dd_reserved); + return (new_accounted - old_accounted); +} + +void +dsl_dir_sync(dsl_dir_t *dd, dmu_tx_t *tx) +{ + ASSERT(dmu_tx_is_syncing(tx)); + + mutex_enter(&dd->dd_lock); + ASSERT0(dd->dd_tempreserved[tx->tx_txg&TXG_MASK]); + dprintf_dd(dd, "txg=%llu towrite=%lluK\n", tx->tx_txg, + dd->dd_space_towrite[tx->tx_txg&TXG_MASK] / 1024); + dd->dd_space_towrite[tx->tx_txg&TXG_MASK] = 0; + mutex_exit(&dd->dd_lock); + + /* release the hold from dsl_dir_dirty */ + dmu_buf_rele(dd->dd_dbuf, dd); +} + +static uint64_t +dsl_dir_space_towrite(dsl_dir_t *dd) +{ + uint64_t space = 0; + int i; + + ASSERT(MUTEX_HELD(&dd->dd_lock)); + + for (i = 0; i < TXG_SIZE; i++) { + space += dd->dd_space_towrite[i&TXG_MASK]; + ASSERT3U(dd->dd_space_towrite[i&TXG_MASK], >=, 0); + } + return (space); +} + +/* + * How much space would dd have available if ancestor had delta applied + * to it? If ondiskonly is set, we're only interested in what's + * on-disk, not estimated pending changes. + */ +uint64_t +dsl_dir_space_available(dsl_dir_t *dd, + dsl_dir_t *ancestor, int64_t delta, int ondiskonly) +{ + uint64_t parentspace, myspace, quota, used; + + /* + * If there are no restrictions otherwise, assume we have + * unlimited space available. + */ + quota = UINT64_MAX; + parentspace = UINT64_MAX; + + if (dd->dd_parent != NULL) { + parentspace = dsl_dir_space_available(dd->dd_parent, + ancestor, delta, ondiskonly); + } + + mutex_enter(&dd->dd_lock); + if (dsl_dir_phys(dd)->dd_quota != 0) + quota = dsl_dir_phys(dd)->dd_quota; + used = dsl_dir_phys(dd)->dd_used_bytes; + if (!ondiskonly) + used += dsl_dir_space_towrite(dd); + + if (dd->dd_parent == NULL) { + uint64_t poolsize = dsl_pool_adjustedsize(dd->dd_pool, FALSE); + quota = MIN(quota, poolsize); + } + + if (dsl_dir_phys(dd)->dd_reserved > used && parentspace != UINT64_MAX) { + /* + * We have some space reserved, in addition to what our + * parent gave us. + */ + parentspace += dsl_dir_phys(dd)->dd_reserved - used; + } + + if (dd == ancestor) { + ASSERT(delta <= 0); + ASSERT(used >= -delta); + used += delta; + if (parentspace != UINT64_MAX) + parentspace -= delta; + } + + if (used > quota) { + /* over quota */ + myspace = 0; + } else { + /* + * the lesser of the space provided by our parent and + * the space left in our quota + */ + myspace = MIN(parentspace, quota - used); + } + + mutex_exit(&dd->dd_lock); + + return (myspace); +} + +struct tempreserve { + list_node_t tr_node; + dsl_dir_t *tr_ds; + uint64_t tr_size; +}; + +static int +dsl_dir_tempreserve_impl(dsl_dir_t *dd, uint64_t asize, boolean_t netfree, + boolean_t ignorequota, boolean_t checkrefquota, list_t *tr_list, + dmu_tx_t *tx, boolean_t first) +{ + uint64_t txg = tx->tx_txg; + uint64_t est_inflight, used_on_disk, quota, parent_rsrv; + uint64_t deferred = 0; + struct tempreserve *tr; + int retval = EDQUOT; + int txgidx = txg & TXG_MASK; + int i; + uint64_t ref_rsrv = 0; + + ASSERT3U(txg, !=, 0); + ASSERT3S(asize, >, 0); + + mutex_enter(&dd->dd_lock); + + /* + * Check against the dsl_dir's quota. We don't add in the delta + * when checking for over-quota because they get one free hit. + */ + est_inflight = dsl_dir_space_towrite(dd); + for (i = 0; i < TXG_SIZE; i++) + est_inflight += dd->dd_tempreserved[i]; + used_on_disk = dsl_dir_phys(dd)->dd_used_bytes; + + /* + * On the first iteration, fetch the dataset's used-on-disk and + * refreservation values. Also, if checkrefquota is set, test if + * allocating this space would exceed the dataset's refquota. + */ + if (first && tx->tx_objset) { + int error; + dsl_dataset_t *ds = tx->tx_objset->os_dsl_dataset; + + error = dsl_dataset_check_quota(ds, checkrefquota, + asize, est_inflight, &used_on_disk, &ref_rsrv); + if (error) { + mutex_exit(&dd->dd_lock); + DMU_TX_STAT_BUMP(dmu_tx_quota); + return (error); + } + } + + /* + * If this transaction will result in a net free of space, + * we want to let it through. + */ + if (ignorequota || netfree || dsl_dir_phys(dd)->dd_quota == 0) + quota = UINT64_MAX; + else + quota = dsl_dir_phys(dd)->dd_quota; + + /* + * Adjust the quota against the actual pool size at the root + * minus any outstanding deferred frees. + * To ensure that it's possible to remove files from a full + * pool without inducing transient overcommits, we throttle + * netfree transactions against a quota that is slightly larger, + * but still within the pool's allocation slop. In cases where + * we're very close to full, this will allow a steady trickle of + * removes to get through. + */ + if (dd->dd_parent == NULL) { + spa_t *spa = dd->dd_pool->dp_spa; + uint64_t poolsize = dsl_pool_adjustedsize(dd->dd_pool, netfree); + deferred = metaslab_class_get_deferred(spa_normal_class(spa)); + if (poolsize - deferred < quota) { + quota = poolsize - deferred; + retval = ENOSPC; + } + } + + /* + * If they are requesting more space, and our current estimate + * is over quota, they get to try again unless the actual + * on-disk is over quota and there are no pending changes (which + * may free up space for us). + */ + if (used_on_disk + est_inflight >= quota) { + if (est_inflight > 0 || used_on_disk < quota || + (retval == ENOSPC && used_on_disk < quota + deferred)) + retval = ERESTART; + dprintf_dd(dd, "failing: used=%lluK inflight = %lluK " + "quota=%lluK tr=%lluK err=%d\n", + used_on_disk>>10, est_inflight>>10, + quota>>10, asize>>10, retval); + mutex_exit(&dd->dd_lock); + DMU_TX_STAT_BUMP(dmu_tx_quota); + return (SET_ERROR(retval)); + } + + /* We need to up our estimated delta before dropping dd_lock */ + dd->dd_tempreserved[txgidx] += asize; + + parent_rsrv = parent_delta(dd, used_on_disk + est_inflight, + asize - ref_rsrv); + mutex_exit(&dd->dd_lock); + + tr = kmem_zalloc(sizeof (struct tempreserve), KM_SLEEP); + tr->tr_ds = dd; + tr->tr_size = asize; + list_insert_tail(tr_list, tr); + + /* see if it's OK with our parent */ + if (dd->dd_parent && parent_rsrv) { + boolean_t ismos = (dsl_dir_phys(dd)->dd_head_dataset_obj == 0); + + return (dsl_dir_tempreserve_impl(dd->dd_parent, + parent_rsrv, netfree, ismos, TRUE, tr_list, tx, FALSE)); + } else { + return (0); + } +} + +/* + * Reserve space in this dsl_dir, to be used in this tx's txg. + * After the space has been dirtied (and dsl_dir_willuse_space() + * has been called), the reservation should be canceled, using + * dsl_dir_tempreserve_clear(). + */ +int +dsl_dir_tempreserve_space(dsl_dir_t *dd, uint64_t lsize, uint64_t asize, + uint64_t fsize, uint64_t usize, void **tr_cookiep, dmu_tx_t *tx) +{ + int err; + list_t *tr_list; + + if (asize == 0) { + *tr_cookiep = NULL; + return (0); + } + + tr_list = kmem_alloc(sizeof (list_t), KM_SLEEP); + list_create(tr_list, sizeof (struct tempreserve), + offsetof(struct tempreserve, tr_node)); + ASSERT3S(asize, >, 0); + ASSERT3S(fsize, >=, 0); + + err = arc_tempreserve_space(lsize, tx->tx_txg); + if (err == 0) { + struct tempreserve *tr; + + tr = kmem_zalloc(sizeof (struct tempreserve), KM_SLEEP); + tr->tr_size = lsize; + list_insert_tail(tr_list, tr); + } else { + if (err == EAGAIN) { + /* + * If arc_memory_throttle() detected that pageout + * is running and we are low on memory, we delay new + * non-pageout transactions to give pageout an + * advantage. + * + * It is unfortunate to be delaying while the caller's + * locks are held. + */ + txg_delay(dd->dd_pool, tx->tx_txg, + MSEC2NSEC(10), MSEC2NSEC(10)); + err = SET_ERROR(ERESTART); + } + } + + if (err == 0) { + err = dsl_dir_tempreserve_impl(dd, asize, fsize >= asize, + FALSE, asize > usize, tr_list, tx, TRUE); + } + + if (err != 0) + dsl_dir_tempreserve_clear(tr_list, tx); + else + *tr_cookiep = tr_list; + + return (err); +} + +/* + * Clear a temporary reservation that we previously made with + * dsl_dir_tempreserve_space(). + */ +void +dsl_dir_tempreserve_clear(void *tr_cookie, dmu_tx_t *tx) +{ + int txgidx = tx->tx_txg & TXG_MASK; + list_t *tr_list = tr_cookie; + struct tempreserve *tr; + + ASSERT3U(tx->tx_txg, !=, 0); + + if (tr_cookie == NULL) + return; + + while ((tr = list_head(tr_list)) != NULL) { + if (tr->tr_ds) { + mutex_enter(&tr->tr_ds->dd_lock); + ASSERT3U(tr->tr_ds->dd_tempreserved[txgidx], >=, + tr->tr_size); + tr->tr_ds->dd_tempreserved[txgidx] -= tr->tr_size; + mutex_exit(&tr->tr_ds->dd_lock); + } else { + arc_tempreserve_clear(tr->tr_size); + } + list_remove(tr_list, tr); + kmem_free(tr, sizeof (struct tempreserve)); + } + + kmem_free(tr_list, sizeof (list_t)); +} + +/* + * This should be called from open context when we think we're going to write + * or free space, for example when dirtying data. Be conservative; it's okay + * to write less space or free more, but we don't want to write more or free + * less than the amount specified. + * + * NOTE: The behavior of this function is identical to the Illumos / FreeBSD + * version however it has been adjusted to use an iterative rather then + * recursive algorithm to minimize stack usage. + */ +void +dsl_dir_willuse_space(dsl_dir_t *dd, int64_t space, dmu_tx_t *tx) +{ + int64_t parent_space; + uint64_t est_used; + + do { + mutex_enter(&dd->dd_lock); + if (space > 0) + dd->dd_space_towrite[tx->tx_txg & TXG_MASK] += space; + + est_used = dsl_dir_space_towrite(dd) + + dsl_dir_phys(dd)->dd_used_bytes; + parent_space = parent_delta(dd, est_used, space); + mutex_exit(&dd->dd_lock); + + /* Make sure that we clean up dd_space_to* */ + dsl_dir_dirty(dd, tx); + + dd = dd->dd_parent; + space = parent_space; + } while (space && dd); +} + +/* call from syncing context when we actually write/free space for this dd */ +void +dsl_dir_diduse_space(dsl_dir_t *dd, dd_used_t type, + int64_t used, int64_t compressed, int64_t uncompressed, dmu_tx_t *tx) +{ + int64_t accounted_delta; + + /* + * dsl_dataset_set_refreservation_sync_impl() calls this with + * dd_lock held, so that it can atomically update + * ds->ds_reserved and the dsl_dir accounting, so that + * dsl_dataset_check_quota() can see dataset and dir accounting + * consistently. + */ + boolean_t needlock = !MUTEX_HELD(&dd->dd_lock); + + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(type < DD_USED_NUM); + + dmu_buf_will_dirty(dd->dd_dbuf, tx); + + if (needlock) + mutex_enter(&dd->dd_lock); + accounted_delta = + parent_delta(dd, dsl_dir_phys(dd)->dd_used_bytes, used); + ASSERT(used >= 0 || dsl_dir_phys(dd)->dd_used_bytes >= -used); + ASSERT(compressed >= 0 || + dsl_dir_phys(dd)->dd_compressed_bytes >= -compressed); + ASSERT(uncompressed >= 0 || + dsl_dir_phys(dd)->dd_uncompressed_bytes >= -uncompressed); + dsl_dir_phys(dd)->dd_used_bytes += used; + dsl_dir_phys(dd)->dd_uncompressed_bytes += uncompressed; + dsl_dir_phys(dd)->dd_compressed_bytes += compressed; + + if (dsl_dir_phys(dd)->dd_flags & DD_FLAG_USED_BREAKDOWN) { + ASSERT(used > 0 || + dsl_dir_phys(dd)->dd_used_breakdown[type] >= -used); + dsl_dir_phys(dd)->dd_used_breakdown[type] += used; +#ifdef DEBUG + { + dd_used_t t; + uint64_t u = 0; + for (t = 0; t < DD_USED_NUM; t++) + u += dsl_dir_phys(dd)->dd_used_breakdown[t]; + ASSERT3U(u, ==, dsl_dir_phys(dd)->dd_used_bytes); + } +#endif + } + if (needlock) + mutex_exit(&dd->dd_lock); + + if (dd->dd_parent != NULL) { + dsl_dir_diduse_space(dd->dd_parent, DD_USED_CHILD, + accounted_delta, compressed, uncompressed, tx); + dsl_dir_transfer_space(dd->dd_parent, + used - accounted_delta, + DD_USED_CHILD_RSRV, DD_USED_CHILD, tx); + } +} + +void +dsl_dir_transfer_space(dsl_dir_t *dd, int64_t delta, + dd_used_t oldtype, dd_used_t newtype, dmu_tx_t *tx) +{ + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(oldtype < DD_USED_NUM); + ASSERT(newtype < DD_USED_NUM); + + if (delta == 0 || + !(dsl_dir_phys(dd)->dd_flags & DD_FLAG_USED_BREAKDOWN)) + return; + + dmu_buf_will_dirty(dd->dd_dbuf, tx); + mutex_enter(&dd->dd_lock); + ASSERT(delta > 0 ? + dsl_dir_phys(dd)->dd_used_breakdown[oldtype] >= delta : + dsl_dir_phys(dd)->dd_used_breakdown[newtype] >= -delta); + ASSERT(dsl_dir_phys(dd)->dd_used_bytes >= ABS(delta)); + dsl_dir_phys(dd)->dd_used_breakdown[oldtype] -= delta; + dsl_dir_phys(dd)->dd_used_breakdown[newtype] += delta; + mutex_exit(&dd->dd_lock); +} + +typedef struct dsl_dir_set_qr_arg { + const char *ddsqra_name; + zprop_source_t ddsqra_source; + uint64_t ddsqra_value; +} dsl_dir_set_qr_arg_t; + +static int +dsl_dir_set_quota_check(void *arg, dmu_tx_t *tx) +{ + dsl_dir_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + int error; + uint64_t towrite, newval; + + error = dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds); + if (error != 0) + return (error); + + error = dsl_prop_predict(ds->ds_dir, "quota", + ddsqra->ddsqra_source, ddsqra->ddsqra_value, &newval); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + if (newval == 0) { + dsl_dataset_rele(ds, FTAG); + return (0); + } + + mutex_enter(&ds->ds_dir->dd_lock); + /* + * If we are doing the preliminary check in open context, and + * there are pending changes, then don't fail it, since the + * pending changes could under-estimate the amount of space to be + * freed up. + */ + towrite = dsl_dir_space_towrite(ds->ds_dir); + if ((dmu_tx_is_syncing(tx) || towrite == 0) && + (newval < dsl_dir_phys(ds->ds_dir)->dd_reserved || + newval < dsl_dir_phys(ds->ds_dir)->dd_used_bytes + towrite)) { + error = SET_ERROR(ENOSPC); + } + mutex_exit(&ds->ds_dir->dd_lock); + dsl_dataset_rele(ds, FTAG); + return (error); +} + +static void +dsl_dir_set_quota_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dir_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + uint64_t newval; + + VERIFY0(dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds)); + + if (spa_version(dp->dp_spa) >= SPA_VERSION_RECVD_PROPS) { + dsl_prop_set_sync_impl(ds, zfs_prop_to_name(ZFS_PROP_QUOTA), + ddsqra->ddsqra_source, sizeof (ddsqra->ddsqra_value), 1, + &ddsqra->ddsqra_value, tx); + + VERIFY0(dsl_prop_get_int_ds(ds, + zfs_prop_to_name(ZFS_PROP_QUOTA), &newval)); + } else { + newval = ddsqra->ddsqra_value; + spa_history_log_internal_ds(ds, "set", tx, "%s=%lld", + zfs_prop_to_name(ZFS_PROP_QUOTA), (longlong_t)newval); + } + + dmu_buf_will_dirty(ds->ds_dir->dd_dbuf, tx); + mutex_enter(&ds->ds_dir->dd_lock); + dsl_dir_phys(ds->ds_dir)->dd_quota = newval; + mutex_exit(&ds->ds_dir->dd_lock); + dsl_dataset_rele(ds, FTAG); +} + +int +dsl_dir_set_quota(const char *ddname, zprop_source_t source, uint64_t quota) +{ + dsl_dir_set_qr_arg_t ddsqra; + + ddsqra.ddsqra_name = ddname; + ddsqra.ddsqra_source = source; + ddsqra.ddsqra_value = quota; + + return (dsl_sync_task(ddname, dsl_dir_set_quota_check, + dsl_dir_set_quota_sync, &ddsqra, 0, ZFS_SPACE_CHECK_NONE)); +} + +int +dsl_dir_set_reservation_check(void *arg, dmu_tx_t *tx) +{ + dsl_dir_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + dsl_dir_t *dd; + uint64_t newval, used, avail; + int error; + + error = dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds); + if (error != 0) + return (error); + dd = ds->ds_dir; + + /* + * If we are doing the preliminary check in open context, the + * space estimates may be inaccurate. + */ + if (!dmu_tx_is_syncing(tx)) { + dsl_dataset_rele(ds, FTAG); + return (0); + } + + error = dsl_prop_predict(ds->ds_dir, + zfs_prop_to_name(ZFS_PROP_RESERVATION), + ddsqra->ddsqra_source, ddsqra->ddsqra_value, &newval); + if (error != 0) { + dsl_dataset_rele(ds, FTAG); + return (error); + } + + mutex_enter(&dd->dd_lock); + used = dsl_dir_phys(dd)->dd_used_bytes; + mutex_exit(&dd->dd_lock); + + if (dd->dd_parent) { + avail = dsl_dir_space_available(dd->dd_parent, + NULL, 0, FALSE); + } else { + avail = dsl_pool_adjustedsize(dd->dd_pool, B_FALSE) - used; + } + + if (MAX(used, newval) > MAX(used, dsl_dir_phys(dd)->dd_reserved)) { + uint64_t delta = MAX(used, newval) - + MAX(used, dsl_dir_phys(dd)->dd_reserved); + + if (delta > avail || + (dsl_dir_phys(dd)->dd_quota > 0 && + newval > dsl_dir_phys(dd)->dd_quota)) + error = SET_ERROR(ENOSPC); + } + + dsl_dataset_rele(ds, FTAG); + return (error); +} + +void +dsl_dir_set_reservation_sync_impl(dsl_dir_t *dd, uint64_t value, dmu_tx_t *tx) +{ + uint64_t used; + int64_t delta; + + dmu_buf_will_dirty(dd->dd_dbuf, tx); + + mutex_enter(&dd->dd_lock); + used = dsl_dir_phys(dd)->dd_used_bytes; + delta = MAX(used, value) - MAX(used, dsl_dir_phys(dd)->dd_reserved); + dsl_dir_phys(dd)->dd_reserved = value; + + if (dd->dd_parent != NULL) { + /* Roll up this additional usage into our ancestors */ + dsl_dir_diduse_space(dd->dd_parent, DD_USED_CHILD_RSRV, + delta, 0, 0, tx); + } + mutex_exit(&dd->dd_lock); +} + +static void +dsl_dir_set_reservation_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dir_set_qr_arg_t *ddsqra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + uint64_t newval; + + VERIFY0(dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds)); + + if (spa_version(dp->dp_spa) >= SPA_VERSION_RECVD_PROPS) { + dsl_prop_set_sync_impl(ds, + zfs_prop_to_name(ZFS_PROP_RESERVATION), + ddsqra->ddsqra_source, sizeof (ddsqra->ddsqra_value), 1, + &ddsqra->ddsqra_value, tx); + + VERIFY0(dsl_prop_get_int_ds(ds, + zfs_prop_to_name(ZFS_PROP_RESERVATION), &newval)); + } else { + newval = ddsqra->ddsqra_value; + spa_history_log_internal_ds(ds, "set", tx, "%s=%lld", + zfs_prop_to_name(ZFS_PROP_RESERVATION), + (longlong_t)newval); + } + + dsl_dir_set_reservation_sync_impl(ds->ds_dir, newval, tx); + dsl_dataset_rele(ds, FTAG); +} + +int +dsl_dir_set_reservation(const char *ddname, zprop_source_t source, + uint64_t reservation) +{ + dsl_dir_set_qr_arg_t ddsqra; + + ddsqra.ddsqra_name = ddname; + ddsqra.ddsqra_source = source; + ddsqra.ddsqra_value = reservation; + + return (dsl_sync_task(ddname, dsl_dir_set_reservation_check, + dsl_dir_set_reservation_sync, &ddsqra, 0, ZFS_SPACE_CHECK_NONE)); +} + +static dsl_dir_t * +closest_common_ancestor(dsl_dir_t *ds1, dsl_dir_t *ds2) +{ + for (; ds1; ds1 = ds1->dd_parent) { + dsl_dir_t *dd; + for (dd = ds2; dd; dd = dd->dd_parent) { + if (ds1 == dd) + return (dd); + } + } + return (NULL); +} + +/* + * If delta is applied to dd, how much of that delta would be applied to + * ancestor? Syncing context only. + */ +static int64_t +would_change(dsl_dir_t *dd, int64_t delta, dsl_dir_t *ancestor) +{ + if (dd == ancestor) + return (delta); + + mutex_enter(&dd->dd_lock); + delta = parent_delta(dd, dsl_dir_phys(dd)->dd_used_bytes, delta); + mutex_exit(&dd->dd_lock); + return (would_change(dd->dd_parent, delta, ancestor)); +} + +typedef struct dsl_dir_rename_arg { + const char *ddra_oldname; + const char *ddra_newname; + cred_t *ddra_cred; +} dsl_dir_rename_arg_t; + +/* ARGSUSED */ +static int +dsl_valid_rename(dsl_pool_t *dp, dsl_dataset_t *ds, void *arg) +{ + int *deltap = arg; + char namebuf[MAXNAMELEN]; + + dsl_dataset_name(ds, namebuf); + + if (strlen(namebuf) + *deltap >= MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + return (0); +} + +static int +dsl_dir_rename_check(void *arg, dmu_tx_t *tx) +{ + dsl_dir_rename_arg_t *ddra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dir_t *dd, *newparent; + const char *mynewname; + int error; + int delta = strlen(ddra->ddra_newname) - strlen(ddra->ddra_oldname); + + /* target dir should exist */ + error = dsl_dir_hold(dp, ddra->ddra_oldname, FTAG, &dd, NULL); + if (error != 0) + return (error); + + /* new parent should exist */ + error = dsl_dir_hold(dp, ddra->ddra_newname, FTAG, + &newparent, &mynewname); + if (error != 0) { + dsl_dir_rele(dd, FTAG); + return (error); + } + + /* can't rename to different pool */ + if (dd->dd_pool != newparent->dd_pool) { + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (SET_ERROR(EXDEV)); + } + + /* new name should not already exist */ + if (mynewname == NULL) { + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (SET_ERROR(EEXIST)); + } + + /* if the name length is growing, validate child name lengths */ + if (delta > 0) { + error = dmu_objset_find_dp(dp, dd->dd_object, dsl_valid_rename, + &delta, DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); + if (error != 0) { + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (error); + } + } + + if (dmu_tx_is_syncing(tx)) { + if (spa_feature_is_active(dp->dp_spa, + SPA_FEATURE_FS_SS_LIMIT)) { + /* + * Although this is the check function and we don't + * normally make on-disk changes in check functions, + * we need to do that here. + * + * Ensure this portion of the tree's counts have been + * initialized in case the new parent has limits set. + */ + dsl_dir_init_fs_ss_count(dd, tx); + } + } + + if (newparent != dd->dd_parent) { + /* is there enough space? */ + uint64_t myspace = + MAX(dsl_dir_phys(dd)->dd_used_bytes, + dsl_dir_phys(dd)->dd_reserved); + objset_t *os = dd->dd_pool->dp_meta_objset; + uint64_t fs_cnt = 0; + uint64_t ss_cnt = 0; + + if (dsl_dir_is_zapified(dd)) { + int err; + + err = zap_lookup(os, dd->dd_object, + DD_FIELD_FILESYSTEM_COUNT, sizeof (fs_cnt), 1, + &fs_cnt); + if (err != ENOENT && err != 0) { + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (err); + } + + /* + * have to add 1 for the filesystem itself that we're + * moving + */ + fs_cnt++; + + err = zap_lookup(os, dd->dd_object, + DD_FIELD_SNAPSHOT_COUNT, sizeof (ss_cnt), 1, + &ss_cnt); + if (err != ENOENT && err != 0) { + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (err); + } + } + + /* no rename into our descendant */ + if (closest_common_ancestor(dd, newparent) == dd) { + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (SET_ERROR(EINVAL)); + } + + error = dsl_dir_transfer_possible(dd->dd_parent, + newparent, fs_cnt, ss_cnt, myspace, ddra->ddra_cred); + if (error != 0) { + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (error); + } + } + + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); + return (0); +} + +static void +dsl_dir_rename_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dir_rename_arg_t *ddra = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dir_t *dd, *newparent; + const char *mynewname; + int error; + objset_t *mos = dp->dp_meta_objset; + + VERIFY0(dsl_dir_hold(dp, ddra->ddra_oldname, FTAG, &dd, NULL)); + VERIFY0(dsl_dir_hold(dp, ddra->ddra_newname, FTAG, &newparent, + &mynewname)); + + /* Log this before we change the name. */ + spa_history_log_internal_dd(dd, "rename", tx, + "-> %s", ddra->ddra_newname); + + if (newparent != dd->dd_parent) { + objset_t *os = dd->dd_pool->dp_meta_objset; + uint64_t fs_cnt = 0; + uint64_t ss_cnt = 0; + + /* + * We already made sure the dd counts were initialized in the + * check function. + */ + if (spa_feature_is_active(dp->dp_spa, + SPA_FEATURE_FS_SS_LIMIT)) { + VERIFY0(zap_lookup(os, dd->dd_object, + DD_FIELD_FILESYSTEM_COUNT, sizeof (fs_cnt), 1, + &fs_cnt)); + /* add 1 for the filesystem itself that we're moving */ + fs_cnt++; + + VERIFY0(zap_lookup(os, dd->dd_object, + DD_FIELD_SNAPSHOT_COUNT, sizeof (ss_cnt), 1, + &ss_cnt)); + } + + dsl_fs_ss_count_adjust(dd->dd_parent, -fs_cnt, + DD_FIELD_FILESYSTEM_COUNT, tx); + dsl_fs_ss_count_adjust(newparent, fs_cnt, + DD_FIELD_FILESYSTEM_COUNT, tx); + + dsl_fs_ss_count_adjust(dd->dd_parent, -ss_cnt, + DD_FIELD_SNAPSHOT_COUNT, tx); + dsl_fs_ss_count_adjust(newparent, ss_cnt, + DD_FIELD_SNAPSHOT_COUNT, tx); + + dsl_dir_diduse_space(dd->dd_parent, DD_USED_CHILD, + -dsl_dir_phys(dd)->dd_used_bytes, + -dsl_dir_phys(dd)->dd_compressed_bytes, + -dsl_dir_phys(dd)->dd_uncompressed_bytes, tx); + dsl_dir_diduse_space(newparent, DD_USED_CHILD, + dsl_dir_phys(dd)->dd_used_bytes, + dsl_dir_phys(dd)->dd_compressed_bytes, + dsl_dir_phys(dd)->dd_uncompressed_bytes, tx); + + if (dsl_dir_phys(dd)->dd_reserved > + dsl_dir_phys(dd)->dd_used_bytes) { + uint64_t unused_rsrv = dsl_dir_phys(dd)->dd_reserved - + dsl_dir_phys(dd)->dd_used_bytes; + + dsl_dir_diduse_space(dd->dd_parent, DD_USED_CHILD_RSRV, + -unused_rsrv, 0, 0, tx); + dsl_dir_diduse_space(newparent, DD_USED_CHILD_RSRV, + unused_rsrv, 0, 0, tx); + } + } + + dmu_buf_will_dirty(dd->dd_dbuf, tx); + + /* remove from old parent zapobj */ + error = zap_remove(mos, + dsl_dir_phys(dd->dd_parent)->dd_child_dir_zapobj, + dd->dd_myname, tx); + ASSERT0(error); + + (void) strcpy(dd->dd_myname, mynewname); + dsl_dir_rele(dd->dd_parent, dd); + dsl_dir_phys(dd)->dd_parent_obj = newparent->dd_object; + VERIFY0(dsl_dir_hold_obj(dp, + newparent->dd_object, NULL, dd, &dd->dd_parent)); + + /* add to new parent zapobj */ + VERIFY0(zap_add(mos, dsl_dir_phys(newparent)->dd_child_dir_zapobj, + dd->dd_myname, 8, 1, &dd->dd_object, tx)); + + zvol_rename_minors(dp->dp_spa, ddra->ddra_oldname, + ddra->ddra_newname, B_TRUE); + + dsl_prop_notify_all(dd); + + dsl_dir_rele(newparent, FTAG); + dsl_dir_rele(dd, FTAG); +} + +int +dsl_dir_rename(const char *oldname, const char *newname) +{ + dsl_dir_rename_arg_t ddra; + + ddra.ddra_oldname = oldname; + ddra.ddra_newname = newname; + ddra.ddra_cred = CRED(); + + return (dsl_sync_task(oldname, + dsl_dir_rename_check, dsl_dir_rename_sync, &ddra, + 3, ZFS_SPACE_CHECK_RESERVED)); +} + +int +dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd, + uint64_t fs_cnt, uint64_t ss_cnt, uint64_t space, cred_t *cr) +{ + dsl_dir_t *ancestor; + int64_t adelta; + uint64_t avail; + int err; + + ancestor = closest_common_ancestor(sdd, tdd); + adelta = would_change(sdd, -space, ancestor); + avail = dsl_dir_space_available(tdd, ancestor, adelta, FALSE); + if (avail < space) + return (SET_ERROR(ENOSPC)); + + err = dsl_fs_ss_limit_check(tdd, fs_cnt, ZFS_PROP_FILESYSTEM_LIMIT, + ancestor, cr); + if (err != 0) + return (err); + err = dsl_fs_ss_limit_check(tdd, ss_cnt, ZFS_PROP_SNAPSHOT_LIMIT, + ancestor, cr); + if (err != 0) + return (err); + + return (0); +} + +timestruc_t +dsl_dir_snap_cmtime(dsl_dir_t *dd) +{ + timestruc_t t; + + mutex_enter(&dd->dd_lock); + t = dd->dd_snap_cmtime; + mutex_exit(&dd->dd_lock); + + return (t); +} + +void +dsl_dir_snap_cmtime_update(dsl_dir_t *dd) +{ + timestruc_t t; + + gethrestime(&t); + mutex_enter(&dd->dd_lock); + dd->dd_snap_cmtime = t; + mutex_exit(&dd->dd_lock); +} + +void +dsl_dir_zapify(dsl_dir_t *dd, dmu_tx_t *tx) +{ + objset_t *mos = dd->dd_pool->dp_meta_objset; + dmu_object_zapify(mos, dd->dd_object, DMU_OT_DSL_DIR, tx); +} + +boolean_t +dsl_dir_is_zapified(dsl_dir_t *dd) +{ + dmu_object_info_t doi; + + dmu_object_info_from_db(dd->dd_dbuf, &doi); + return (doi.doi_type == DMU_OTN_ZAP_METADATA); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dsl_dir_set_quota); +EXPORT_SYMBOL(dsl_dir_set_reservation); +#endif diff --git a/zfs/module/zfs/dsl_pool.c b/zfs/module/zfs/dsl_pool.c new file mode 100755 index 000000000000..cf5259acd5b4 --- /dev/null +++ b/zfs/module/zfs/dsl_pool.c @@ -0,0 +1,1115 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * ZFS Write Throttle + * ------------------ + * + * ZFS must limit the rate of incoming writes to the rate at which it is able + * to sync data modifications to the backend storage. Throttling by too much + * creates an artificial limit; throttling by too little can only be sustained + * for short periods and would lead to highly lumpy performance. On a per-pool + * basis, ZFS tracks the amount of modified (dirty) data. As operations change + * data, the amount of dirty data increases; as ZFS syncs out data, the amount + * of dirty data decreases. When the amount of dirty data exceeds a + * predetermined threshold further modifications are blocked until the amount + * of dirty data decreases (as data is synced out). + * + * The limit on dirty data is tunable, and should be adjusted according to + * both the IO capacity and available memory of the system. The larger the + * window, the more ZFS is able to aggregate and amortize metadata (and data) + * changes. However, memory is a limited resource, and allowing for more dirty + * data comes at the cost of keeping other useful data in memory (for example + * ZFS data cached by the ARC). + * + * Implementation + * + * As buffers are modified dsl_pool_willuse_space() increments both the per- + * txg (dp_dirty_pertxg[]) and poolwide (dp_dirty_total) accounting of + * dirty space used; dsl_pool_dirty_space() decrements those values as data + * is synced out from dsl_pool_sync(). While only the poolwide value is + * relevant, the per-txg value is useful for debugging. The tunable + * zfs_dirty_data_max determines the dirty space limit. Once that value is + * exceeded, new writes are halted until space frees up. + * + * The zfs_dirty_data_sync tunable dictates the threshold at which we + * ensure that there is a txg syncing (see the comment in txg.c for a full + * description of transaction group stages). + * + * The IO scheduler uses both the dirty space limit and current amount of + * dirty data as inputs. Those values affect the number of concurrent IOs ZFS + * issues. See the comment in vdev_queue.c for details of the IO scheduler. + * + * The delay is also calculated based on the amount of dirty data. See the + * comment above dmu_tx_delay() for details. + */ + +/* + * zfs_dirty_data_max will be set to zfs_dirty_data_max_percent% of all memory, + * capped at zfs_dirty_data_max_max. It can also be overridden with a module + * parameter. + */ +unsigned long zfs_dirty_data_max = 0; +unsigned long zfs_dirty_data_max_max = 0; +int zfs_dirty_data_max_percent = 10; +int zfs_dirty_data_max_max_percent = 25; + +/* + * If there is at least this much dirty data, push out a txg. + */ +unsigned long zfs_dirty_data_sync = 64 * 1024 * 1024; + +/* + * Once there is this amount of dirty data, the dmu_tx_delay() will kick in + * and delay each transaction. + * This value should be >= zfs_vdev_async_write_active_max_dirty_percent. + */ +int zfs_delay_min_dirty_percent = 60; + +/* + * This controls how quickly the delay approaches infinity. + * Larger values cause it to delay more for a given amount of dirty data. + * Therefore larger values will cause there to be less dirty data for a + * given throughput. + * + * For the smoothest delay, this value should be about 1 billion divided + * by the maximum number of operations per second. This will smoothly + * handle between 10x and 1/10th this number. + * + * Note: zfs_delay_scale * zfs_dirty_data_max must be < 2^64, due to the + * multiply in dmu_tx_delay(). + */ +unsigned long zfs_delay_scale = 1000 * 1000 * 1000 / 2000; + +hrtime_t zfs_throttle_delay = MSEC2NSEC(10); +hrtime_t zfs_throttle_resolution = MSEC2NSEC(10); + +int +dsl_pool_open_special_dir(dsl_pool_t *dp, const char *name, dsl_dir_t **ddp) +{ + uint64_t obj; + int err; + + err = zap_lookup(dp->dp_meta_objset, + dsl_dir_phys(dp->dp_root_dir)->dd_child_dir_zapobj, + name, sizeof (obj), 1, &obj); + if (err) + return (err); + + return (dsl_dir_hold_obj(dp, obj, name, dp, ddp)); +} + +static dsl_pool_t * +dsl_pool_open_impl(spa_t *spa, uint64_t txg) +{ + dsl_pool_t *dp; + blkptr_t *bp = spa_get_rootblkptr(spa); + + dp = kmem_zalloc(sizeof (dsl_pool_t), KM_SLEEP); + dp->dp_spa = spa; + dp->dp_meta_rootbp = *bp; + rrw_init(&dp->dp_config_rwlock, B_TRUE); + txg_init(dp, txg); + + txg_list_create(&dp->dp_dirty_datasets, + offsetof(dsl_dataset_t, ds_dirty_link)); + txg_list_create(&dp->dp_dirty_zilogs, + offsetof(zilog_t, zl_dirty_link)); + txg_list_create(&dp->dp_dirty_dirs, + offsetof(dsl_dir_t, dd_dirty_link)); + txg_list_create(&dp->dp_sync_tasks, + offsetof(dsl_sync_task_t, dst_node)); + + mutex_init(&dp->dp_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&dp->dp_spaceavail_cv, NULL, CV_DEFAULT, NULL); + + dp->dp_iput_taskq = taskq_create("z_iput", max_ncpus, defclsyspri, + max_ncpus * 8, INT_MAX, TASKQ_PREPOPULATE | TASKQ_DYNAMIC); + + return (dp); +} + +int +dsl_pool_init(spa_t *spa, uint64_t txg, dsl_pool_t **dpp) +{ + int err; + dsl_pool_t *dp = dsl_pool_open_impl(spa, txg); + + /* + * Initialize the caller's dsl_pool_t structure before we actually open + * the meta objset. This is done because a self-healing write zio may + * be issued as part of dmu_objset_open_impl() and the spa needs its + * dsl_pool_t initialized in order to handle the write. + */ + *dpp = dp; + + err = dmu_objset_open_impl(spa, NULL, &dp->dp_meta_rootbp, + &dp->dp_meta_objset); + if (err != 0) { + dsl_pool_close(dp); + *dpp = NULL; + } + + return (err); +} + +int +dsl_pool_open(dsl_pool_t *dp) +{ + int err; + dsl_dir_t *dd; + dsl_dataset_t *ds; + uint64_t obj; + + rrw_enter(&dp->dp_config_rwlock, RW_WRITER, FTAG); + err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_ROOT_DATASET, sizeof (uint64_t), 1, + &dp->dp_root_dir_obj); + if (err) + goto out; + + err = dsl_dir_hold_obj(dp, dp->dp_root_dir_obj, + NULL, dp, &dp->dp_root_dir); + if (err) + goto out; + + err = dsl_pool_open_special_dir(dp, MOS_DIR_NAME, &dp->dp_mos_dir); + if (err) + goto out; + + if (spa_version(dp->dp_spa) >= SPA_VERSION_ORIGIN) { + err = dsl_pool_open_special_dir(dp, ORIGIN_DIR_NAME, &dd); + if (err) + goto out; + err = dsl_dataset_hold_obj(dp, + dsl_dir_phys(dd)->dd_head_dataset_obj, FTAG, &ds); + if (err == 0) { + err = dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, dp, + &dp->dp_origin_snap); + dsl_dataset_rele(ds, FTAG); + } + dsl_dir_rele(dd, dp); + if (err) + goto out; + } + + if (spa_version(dp->dp_spa) >= SPA_VERSION_DEADLISTS) { + err = dsl_pool_open_special_dir(dp, FREE_DIR_NAME, + &dp->dp_free_dir); + if (err) + goto out; + + err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_FREE_BPOBJ, sizeof (uint64_t), 1, &obj); + if (err) + goto out; + VERIFY0(bpobj_open(&dp->dp_free_bpobj, + dp->dp_meta_objset, obj)); + } + + /* + * Note: errors ignored, because the leak dir will not exist if we + * have not encountered a leak yet. + */ + (void) dsl_pool_open_special_dir(dp, LEAK_DIR_NAME, + &dp->dp_leak_dir); + + if (spa_feature_is_active(dp->dp_spa, SPA_FEATURE_ASYNC_DESTROY)) { + err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_BPTREE_OBJ, sizeof (uint64_t), 1, + &dp->dp_bptree_obj); + if (err != 0) + goto out; + } + + if (spa_feature_is_active(dp->dp_spa, SPA_FEATURE_EMPTY_BPOBJ)) { + err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_EMPTY_BPOBJ, sizeof (uint64_t), 1, + &dp->dp_empty_bpobj); + if (err != 0) + goto out; + } + + err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_TMP_USERREFS, sizeof (uint64_t), 1, + &dp->dp_tmp_userrefs_obj); + if (err == ENOENT) + err = 0; + if (err) + goto out; + + err = dsl_scan_init(dp, dp->dp_tx.tx_open_txg); + +out: + rrw_exit(&dp->dp_config_rwlock, FTAG); + return (err); +} + +void +dsl_pool_close(dsl_pool_t *dp) +{ + /* + * Drop our references from dsl_pool_open(). + * + * Since we held the origin_snap from "syncing" context (which + * includes pool-opening context), it actually only got a "ref" + * and not a hold, so just drop that here. + */ + if (dp->dp_origin_snap) + dsl_dataset_rele(dp->dp_origin_snap, dp); + if (dp->dp_mos_dir) + dsl_dir_rele(dp->dp_mos_dir, dp); + if (dp->dp_free_dir) + dsl_dir_rele(dp->dp_free_dir, dp); + if (dp->dp_leak_dir) + dsl_dir_rele(dp->dp_leak_dir, dp); + if (dp->dp_root_dir) + dsl_dir_rele(dp->dp_root_dir, dp); + + bpobj_close(&dp->dp_free_bpobj); + + /* undo the dmu_objset_open_impl(mos) from dsl_pool_open() */ + if (dp->dp_meta_objset) + dmu_objset_evict(dp->dp_meta_objset); + + txg_list_destroy(&dp->dp_dirty_datasets); + txg_list_destroy(&dp->dp_dirty_zilogs); + txg_list_destroy(&dp->dp_sync_tasks); + txg_list_destroy(&dp->dp_dirty_dirs); + + /* + * We can't set retry to TRUE since we're explicitly specifying + * a spa to flush. This is good enough; any missed buffers for + * this spa won't cause trouble, and they'll eventually fall + * out of the ARC just like any other unused buffer. + */ + arc_flush(dp->dp_spa, FALSE); + + txg_fini(dp); + dsl_scan_fini(dp); + dmu_buf_user_evict_wait(); + + rrw_destroy(&dp->dp_config_rwlock); + mutex_destroy(&dp->dp_lock); + taskq_destroy(dp->dp_iput_taskq); + if (dp->dp_blkstats) + vmem_free(dp->dp_blkstats, sizeof (zfs_all_blkstats_t)); + kmem_free(dp, sizeof (dsl_pool_t)); +} + +dsl_pool_t * +dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg) +{ + int err; + dsl_pool_t *dp = dsl_pool_open_impl(spa, txg); + dmu_tx_t *tx = dmu_tx_create_assigned(dp, txg); + objset_t *os; + dsl_dataset_t *ds; + uint64_t obj; + + rrw_enter(&dp->dp_config_rwlock, RW_WRITER, FTAG); + + /* create and open the MOS (meta-objset) */ + dp->dp_meta_objset = dmu_objset_create_impl(spa, + NULL, &dp->dp_meta_rootbp, DMU_OST_META, tx); + + /* create the pool directory */ + err = zap_create_claim(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_OT_OBJECT_DIRECTORY, DMU_OT_NONE, 0, tx); + ASSERT0(err); + + /* Initialize scan structures */ + VERIFY0(dsl_scan_init(dp, txg)); + + /* create and open the root dir */ + dp->dp_root_dir_obj = dsl_dir_create_sync(dp, NULL, NULL, tx); + VERIFY0(dsl_dir_hold_obj(dp, dp->dp_root_dir_obj, + NULL, dp, &dp->dp_root_dir)); + + /* create and open the meta-objset dir */ + (void) dsl_dir_create_sync(dp, dp->dp_root_dir, MOS_DIR_NAME, tx); + VERIFY0(dsl_pool_open_special_dir(dp, + MOS_DIR_NAME, &dp->dp_mos_dir)); + + if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { + /* create and open the free dir */ + (void) dsl_dir_create_sync(dp, dp->dp_root_dir, + FREE_DIR_NAME, tx); + VERIFY0(dsl_pool_open_special_dir(dp, + FREE_DIR_NAME, &dp->dp_free_dir)); + + /* create and open the free_bplist */ + obj = bpobj_alloc(dp->dp_meta_objset, SPA_OLD_MAXBLOCKSIZE, tx); + VERIFY(zap_add(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_FREE_BPOBJ, sizeof (uint64_t), 1, &obj, tx) == 0); + VERIFY0(bpobj_open(&dp->dp_free_bpobj, + dp->dp_meta_objset, obj)); + } + + if (spa_version(spa) >= SPA_VERSION_DSL_SCRUB) + dsl_pool_create_origin(dp, tx); + + /* create the root dataset */ + obj = dsl_dataset_create_sync_dd(dp->dp_root_dir, NULL, 0, tx); + + /* create the root objset */ + VERIFY0(dsl_dataset_hold_obj(dp, obj, FTAG, &ds)); + VERIFY(NULL != (os = dmu_objset_create_impl(dp->dp_spa, ds, + dsl_dataset_get_blkptr(ds), DMU_OST_ZFS, tx))); +#ifdef _KERNEL + zfs_create_fs(os, kcred, zplprops, tx); +#endif + dsl_dataset_rele(ds, FTAG); + + dmu_tx_commit(tx); + + rrw_exit(&dp->dp_config_rwlock, FTAG); + + return (dp); +} + +/* + * Account for the meta-objset space in its placeholder dsl_dir. + */ +void +dsl_pool_mos_diduse_space(dsl_pool_t *dp, + int64_t used, int64_t comp, int64_t uncomp) +{ + ASSERT3U(comp, ==, uncomp); /* it's all metadata */ + mutex_enter(&dp->dp_lock); + dp->dp_mos_used_delta += used; + dp->dp_mos_compressed_delta += comp; + dp->dp_mos_uncompressed_delta += uncomp; + mutex_exit(&dp->dp_lock); +} + +static int +deadlist_enqueue_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) +{ + dsl_deadlist_t *dl = arg; + dsl_deadlist_insert(dl, bp, tx); + return (0); +} + +static void +dsl_pool_sync_mos(dsl_pool_t *dp, dmu_tx_t *tx) +{ + zio_t *zio = zio_root(dp->dp_spa, NULL, NULL, ZIO_FLAG_MUSTSUCCEED); + dmu_objset_sync(dp->dp_meta_objset, zio, tx); + VERIFY0(zio_wait(zio)); + dprintf_bp(&dp->dp_meta_rootbp, "meta objset rootbp is %s", ""); + spa_set_rootblkptr(dp->dp_spa, &dp->dp_meta_rootbp); +} + +static void +dsl_pool_dirty_delta(dsl_pool_t *dp, int64_t delta) +{ + ASSERT(MUTEX_HELD(&dp->dp_lock)); + + if (delta < 0) + ASSERT3U(-delta, <=, dp->dp_dirty_total); + + dp->dp_dirty_total += delta; + + /* + * Note: we signal even when increasing dp_dirty_total. + * This ensures forward progress -- each thread wakes the next waiter. + */ + if (dp->dp_dirty_total <= zfs_dirty_data_max) + cv_signal(&dp->dp_spaceavail_cv); +} + +void +dsl_pool_sync(dsl_pool_t *dp, uint64_t txg) +{ + zio_t *zio; + dmu_tx_t *tx; + dsl_dir_t *dd; + dsl_dataset_t *ds; + objset_t *mos = dp->dp_meta_objset; + list_t synced_datasets; + + list_create(&synced_datasets, sizeof (dsl_dataset_t), + offsetof(dsl_dataset_t, ds_synced_link)); + + tx = dmu_tx_create_assigned(dp, txg); + + /* + * Write out all dirty blocks of dirty datasets. + */ + zio = zio_root(dp->dp_spa, NULL, NULL, ZIO_FLAG_MUSTSUCCEED); + while ((ds = txg_list_remove(&dp->dp_dirty_datasets, txg)) != NULL) { + /* + * We must not sync any non-MOS datasets twice, because + * we may have taken a snapshot of them. However, we + * may sync newly-created datasets on pass 2. + */ + ASSERT(!list_link_active(&ds->ds_synced_link)); + list_insert_tail(&synced_datasets, ds); + dsl_dataset_sync(ds, zio, tx); + } + VERIFY0(zio_wait(zio)); + + /* + * We have written all of the accounted dirty data, so our + * dp_space_towrite should now be zero. However, some seldom-used + * code paths do not adhere to this (e.g. dbuf_undirty(), also + * rounding error in dbuf_write_physdone). + * Shore up the accounting of any dirtied space now. + */ + dsl_pool_undirty_space(dp, dp->dp_dirty_pertxg[txg & TXG_MASK], txg); + + /* + * After the data blocks have been written (ensured by the zio_wait() + * above), update the user/group space accounting. + */ + for (ds = list_head(&synced_datasets); ds != NULL; + ds = list_next(&synced_datasets, ds)) { + dmu_objset_do_userquota_updates(ds->ds_objset, tx); + } + + /* + * Sync the datasets again to push out the changes due to + * userspace updates. This must be done before we process the + * sync tasks, so that any snapshots will have the correct + * user accounting information (and we won't get confused + * about which blocks are part of the snapshot). + */ + zio = zio_root(dp->dp_spa, NULL, NULL, ZIO_FLAG_MUSTSUCCEED); + while ((ds = txg_list_remove(&dp->dp_dirty_datasets, txg)) != NULL) { + ASSERT(list_link_active(&ds->ds_synced_link)); + dmu_buf_rele(ds->ds_dbuf, ds); + dsl_dataset_sync(ds, zio, tx); + } + VERIFY0(zio_wait(zio)); + + /* + * Now that the datasets have been completely synced, we can + * clean up our in-memory structures accumulated while syncing: + * + * - move dead blocks from the pending deadlist to the on-disk deadlist + * - release hold from dsl_dataset_dirty() + */ + while ((ds = list_remove_head(&synced_datasets)) != NULL) { + ASSERTV(objset_t *os = ds->ds_objset); + bplist_iterate(&ds->ds_pending_deadlist, + deadlist_enqueue_cb, &ds->ds_deadlist, tx); + ASSERT(!dmu_objset_is_dirty(os, txg)); + dmu_buf_rele(ds->ds_dbuf, ds); + } + + while ((dd = txg_list_remove(&dp->dp_dirty_dirs, txg)) != NULL) { + dsl_dir_sync(dd, tx); + } + + /* + * The MOS's space is accounted for in the pool/$MOS + * (dp_mos_dir). We can't modify the mos while we're syncing + * it, so we remember the deltas and apply them here. + */ + if (dp->dp_mos_used_delta != 0 || dp->dp_mos_compressed_delta != 0 || + dp->dp_mos_uncompressed_delta != 0) { + dsl_dir_diduse_space(dp->dp_mos_dir, DD_USED_HEAD, + dp->dp_mos_used_delta, + dp->dp_mos_compressed_delta, + dp->dp_mos_uncompressed_delta, tx); + dp->dp_mos_used_delta = 0; + dp->dp_mos_compressed_delta = 0; + dp->dp_mos_uncompressed_delta = 0; + } + + if (list_head(&mos->os_dirty_dnodes[txg & TXG_MASK]) != NULL || + list_head(&mos->os_free_dnodes[txg & TXG_MASK]) != NULL) { + dsl_pool_sync_mos(dp, tx); + } + + /* + * If we modify a dataset in the same txg that we want to destroy it, + * its dsl_dir's dd_dbuf will be dirty, and thus have a hold on it. + * dsl_dir_destroy_check() will fail if there are unexpected holds. + * Therefore, we want to sync the MOS (thus syncing the dd_dbuf + * and clearing the hold on it) before we process the sync_tasks. + * The MOS data dirtied by the sync_tasks will be synced on the next + * pass. + */ + if (!txg_list_empty(&dp->dp_sync_tasks, txg)) { + dsl_sync_task_t *dst; + /* + * No more sync tasks should have been added while we + * were syncing. + */ + ASSERT3U(spa_sync_pass(dp->dp_spa), ==, 1); + while ((dst = txg_list_remove(&dp->dp_sync_tasks, txg)) != NULL) + dsl_sync_task_sync(dst, tx); + } + + dmu_tx_commit(tx); + + DTRACE_PROBE2(dsl_pool_sync__done, dsl_pool_t *dp, dp, uint64_t, txg); +} + +void +dsl_pool_sync_done(dsl_pool_t *dp, uint64_t txg) +{ + zilog_t *zilog; + + while ((zilog = txg_list_remove(&dp->dp_dirty_zilogs, txg))) { + dsl_dataset_t *ds = dmu_objset_ds(zilog->zl_os); + zil_clean(zilog, txg); + ASSERT(!dmu_objset_is_dirty(zilog->zl_os, txg)); + dmu_buf_rele(ds->ds_dbuf, zilog); + } + ASSERT(!dmu_objset_is_dirty(dp->dp_meta_objset, txg)); +} + +/* + * TRUE if the current thread is the tx_sync_thread or if we + * are being called from SPA context during pool initialization. + */ +int +dsl_pool_sync_context(dsl_pool_t *dp) +{ + return (curthread == dp->dp_tx.tx_sync_thread || + spa_is_initializing(dp->dp_spa)); +} + +uint64_t +dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree) +{ + uint64_t space, resv; + + /* + * If we're trying to assess whether it's OK to do a free, + * cut the reservation in half to allow forward progress + * (e.g. make it possible to rm(1) files from a full pool). + */ + space = spa_get_dspace(dp->dp_spa); + resv = spa_get_slop_space(dp->dp_spa); + if (netfree) + resv >>= 1; + + return (space - resv); +} + +boolean_t +dsl_pool_need_dirty_delay(dsl_pool_t *dp) +{ + uint64_t delay_min_bytes = + zfs_dirty_data_max * zfs_delay_min_dirty_percent / 100; + boolean_t rv; + + mutex_enter(&dp->dp_lock); + if (dp->dp_dirty_total > zfs_dirty_data_sync) + txg_kick(dp); + rv = (dp->dp_dirty_total > delay_min_bytes); + mutex_exit(&dp->dp_lock); + return (rv); +} + +void +dsl_pool_dirty_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx) +{ + if (space > 0) { + mutex_enter(&dp->dp_lock); + dp->dp_dirty_pertxg[tx->tx_txg & TXG_MASK] += space; + dsl_pool_dirty_delta(dp, space); + mutex_exit(&dp->dp_lock); + } +} + +void +dsl_pool_undirty_space(dsl_pool_t *dp, int64_t space, uint64_t txg) +{ + ASSERT3S(space, >=, 0); + if (space == 0) + return; + + mutex_enter(&dp->dp_lock); + if (dp->dp_dirty_pertxg[txg & TXG_MASK] < space) { + /* XXX writing something we didn't dirty? */ + space = dp->dp_dirty_pertxg[txg & TXG_MASK]; + } + ASSERT3U(dp->dp_dirty_pertxg[txg & TXG_MASK], >=, space); + dp->dp_dirty_pertxg[txg & TXG_MASK] -= space; + ASSERT3U(dp->dp_dirty_total, >=, space); + dsl_pool_dirty_delta(dp, -space); + mutex_exit(&dp->dp_lock); +} + +/* ARGSUSED */ +static int +upgrade_clones_cb(dsl_pool_t *dp, dsl_dataset_t *hds, void *arg) +{ + dmu_tx_t *tx = arg; + dsl_dataset_t *ds, *prev = NULL; + int err; + + err = dsl_dataset_hold_obj(dp, hds->ds_object, FTAG, &ds); + if (err) + return (err); + + while (dsl_dataset_phys(ds)->ds_prev_snap_obj != 0) { + err = dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, FTAG, &prev); + if (err) { + dsl_dataset_rele(ds, FTAG); + return (err); + } + + if (dsl_dataset_phys(prev)->ds_next_snap_obj != ds->ds_object) + break; + dsl_dataset_rele(ds, FTAG); + ds = prev; + prev = NULL; + } + + if (prev == NULL) { + prev = dp->dp_origin_snap; + + /* + * The $ORIGIN can't have any data, or the accounting + * will be wrong. + */ + ASSERT0(dsl_dataset_phys(prev)->ds_bp.blk_birth); + + /* The origin doesn't get attached to itself */ + if (ds->ds_object == prev->ds_object) { + dsl_dataset_rele(ds, FTAG); + return (0); + } + + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_prev_snap_obj = prev->ds_object; + dsl_dataset_phys(ds)->ds_prev_snap_txg = + dsl_dataset_phys(prev)->ds_creation_txg; + + dmu_buf_will_dirty(ds->ds_dir->dd_dbuf, tx); + dsl_dir_phys(ds->ds_dir)->dd_origin_obj = prev->ds_object; + + dmu_buf_will_dirty(prev->ds_dbuf, tx); + dsl_dataset_phys(prev)->ds_num_children++; + + if (dsl_dataset_phys(ds)->ds_next_snap_obj == 0) { + ASSERT(ds->ds_prev == NULL); + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, + ds, &ds->ds_prev)); + } + } + + ASSERT3U(dsl_dir_phys(ds->ds_dir)->dd_origin_obj, ==, prev->ds_object); + ASSERT3U(dsl_dataset_phys(ds)->ds_prev_snap_obj, ==, prev->ds_object); + + if (dsl_dataset_phys(prev)->ds_next_clones_obj == 0) { + dmu_buf_will_dirty(prev->ds_dbuf, tx); + dsl_dataset_phys(prev)->ds_next_clones_obj = + zap_create(dp->dp_meta_objset, + DMU_OT_NEXT_CLONES, DMU_OT_NONE, 0, tx); + } + VERIFY0(zap_add_int(dp->dp_meta_objset, + dsl_dataset_phys(prev)->ds_next_clones_obj, ds->ds_object, tx)); + + dsl_dataset_rele(ds, FTAG); + if (prev != dp->dp_origin_snap) + dsl_dataset_rele(prev, FTAG); + return (0); +} + +void +dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx) +{ + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(dp->dp_origin_snap != NULL); + + VERIFY0(dmu_objset_find_dp(dp, dp->dp_root_dir_obj, upgrade_clones_cb, + tx, DS_FIND_CHILDREN | DS_FIND_SERIALIZE)); +} + +/* ARGSUSED */ +static int +upgrade_dir_clones_cb(dsl_pool_t *dp, dsl_dataset_t *ds, void *arg) +{ + dmu_tx_t *tx = arg; + objset_t *mos = dp->dp_meta_objset; + + if (dsl_dir_phys(ds->ds_dir)->dd_origin_obj != 0) { + dsl_dataset_t *origin; + + VERIFY0(dsl_dataset_hold_obj(dp, + dsl_dir_phys(ds->ds_dir)->dd_origin_obj, FTAG, &origin)); + + if (dsl_dir_phys(origin->ds_dir)->dd_clones == 0) { + dmu_buf_will_dirty(origin->ds_dir->dd_dbuf, tx); + dsl_dir_phys(origin->ds_dir)->dd_clones = + zap_create(mos, DMU_OT_DSL_CLONES, DMU_OT_NONE, + 0, tx); + } + + VERIFY0(zap_add_int(dp->dp_meta_objset, + dsl_dir_phys(origin->ds_dir)->dd_clones, + ds->ds_object, tx)); + + dsl_dataset_rele(origin, FTAG); + } + return (0); +} + +void +dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx) +{ + uint64_t obj; + + ASSERT(dmu_tx_is_syncing(tx)); + + (void) dsl_dir_create_sync(dp, dp->dp_root_dir, FREE_DIR_NAME, tx); + VERIFY0(dsl_pool_open_special_dir(dp, + FREE_DIR_NAME, &dp->dp_free_dir)); + + /* + * We can't use bpobj_alloc(), because spa_version() still + * returns the old version, and we need a new-version bpobj with + * subobj support. So call dmu_object_alloc() directly. + */ + obj = dmu_object_alloc(dp->dp_meta_objset, DMU_OT_BPOBJ, + SPA_OLD_MAXBLOCKSIZE, DMU_OT_BPOBJ_HDR, sizeof (bpobj_phys_t), tx); + VERIFY0(zap_add(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_FREE_BPOBJ, sizeof (uint64_t), 1, &obj, tx)); + VERIFY0(bpobj_open(&dp->dp_free_bpobj, dp->dp_meta_objset, obj)); + + VERIFY0(dmu_objset_find_dp(dp, dp->dp_root_dir_obj, + upgrade_dir_clones_cb, tx, DS_FIND_CHILDREN | DS_FIND_SERIALIZE)); +} + +void +dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx) +{ + uint64_t dsobj; + dsl_dataset_t *ds; + + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT(dp->dp_origin_snap == NULL); + ASSERT(rrw_held(&dp->dp_config_rwlock, RW_WRITER)); + + /* create the origin dir, ds, & snap-ds */ + dsobj = dsl_dataset_create_sync(dp->dp_root_dir, ORIGIN_DIR_NAME, + NULL, 0, kcred, tx); + VERIFY0(dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds)); + dsl_dataset_snapshot_sync_impl(ds, ORIGIN_DIR_NAME, tx); + VERIFY0(dsl_dataset_hold_obj(dp, dsl_dataset_phys(ds)->ds_prev_snap_obj, + dp, &dp->dp_origin_snap)); + dsl_dataset_rele(ds, FTAG); +} + +taskq_t * +dsl_pool_iput_taskq(dsl_pool_t *dp) +{ + return (dp->dp_iput_taskq); +} + +/* + * Walk through the pool-wide zap object of temporary snapshot user holds + * and release them. + */ +void +dsl_pool_clean_tmp_userrefs(dsl_pool_t *dp) +{ + zap_attribute_t za; + zap_cursor_t zc; + objset_t *mos = dp->dp_meta_objset; + uint64_t zapobj = dp->dp_tmp_userrefs_obj; + nvlist_t *holds; + + if (zapobj == 0) + return; + ASSERT(spa_version(dp->dp_spa) >= SPA_VERSION_USERREFS); + + holds = fnvlist_alloc(); + + for (zap_cursor_init(&zc, mos, zapobj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + char *htag; + nvlist_t *tags; + + htag = strchr(za.za_name, '-'); + *htag = '\0'; + ++htag; + if (nvlist_lookup_nvlist(holds, za.za_name, &tags) != 0) { + tags = fnvlist_alloc(); + fnvlist_add_boolean(tags, htag); + fnvlist_add_nvlist(holds, za.za_name, tags); + fnvlist_free(tags); + } else { + fnvlist_add_boolean(tags, htag); + } + } + dsl_dataset_user_release_tmp(dp, holds); + fnvlist_free(holds); + zap_cursor_fini(&zc); +} + +/* + * Create the pool-wide zap object for storing temporary snapshot holds. + */ +void +dsl_pool_user_hold_create_obj(dsl_pool_t *dp, dmu_tx_t *tx) +{ + objset_t *mos = dp->dp_meta_objset; + + ASSERT(dp->dp_tmp_userrefs_obj == 0); + ASSERT(dmu_tx_is_syncing(tx)); + + dp->dp_tmp_userrefs_obj = zap_create_link(mos, DMU_OT_USERREFS, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_TMP_USERREFS, tx); +} + +static int +dsl_pool_user_hold_rele_impl(dsl_pool_t *dp, uint64_t dsobj, + const char *tag, uint64_t now, dmu_tx_t *tx, boolean_t holding) +{ + objset_t *mos = dp->dp_meta_objset; + uint64_t zapobj = dp->dp_tmp_userrefs_obj; + char *name; + int error; + + ASSERT(spa_version(dp->dp_spa) >= SPA_VERSION_USERREFS); + ASSERT(dmu_tx_is_syncing(tx)); + + /* + * If the pool was created prior to SPA_VERSION_USERREFS, the + * zap object for temporary holds might not exist yet. + */ + if (zapobj == 0) { + if (holding) { + dsl_pool_user_hold_create_obj(dp, tx); + zapobj = dp->dp_tmp_userrefs_obj; + } else { + return (SET_ERROR(ENOENT)); + } + } + + name = kmem_asprintf("%llx-%s", (u_longlong_t)dsobj, tag); + if (holding) + error = zap_add(mos, zapobj, name, 8, 1, &now, tx); + else + error = zap_remove(mos, zapobj, name, tx); + strfree(name); + + return (error); +} + +/* + * Add a temporary hold for the given dataset object and tag. + */ +int +dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj, const char *tag, + uint64_t now, dmu_tx_t *tx) +{ + return (dsl_pool_user_hold_rele_impl(dp, dsobj, tag, now, tx, B_TRUE)); +} + +/* + * Release a temporary hold for the given dataset object and tag. + */ +int +dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj, const char *tag, + dmu_tx_t *tx) +{ + return (dsl_pool_user_hold_rele_impl(dp, dsobj, tag, 0, + tx, B_FALSE)); +} + +/* + * DSL Pool Configuration Lock + * + * The dp_config_rwlock protects against changes to DSL state (e.g. dataset + * creation / destruction / rename / property setting). It must be held for + * read to hold a dataset or dsl_dir. I.e. you must call + * dsl_pool_config_enter() or dsl_pool_hold() before calling + * dsl_{dataset,dir}_hold{_obj}. In most circumstances, the dp_config_rwlock + * must be held continuously until all datasets and dsl_dirs are released. + * + * The only exception to this rule is that if a "long hold" is placed on + * a dataset, then the dp_config_rwlock may be dropped while the dataset + * is still held. The long hold will prevent the dataset from being + * destroyed -- the destroy will fail with EBUSY. A long hold can be + * obtained by calling dsl_dataset_long_hold(), or by "owning" a dataset + * (by calling dsl_{dataset,objset}_{try}own{_obj}). + * + * Legitimate long-holders (including owners) should be long-running, cancelable + * tasks that should cause "zfs destroy" to fail. This includes DMU + * consumers (i.e. a ZPL filesystem being mounted or ZVOL being open), + * "zfs send", and "zfs diff". There are several other long-holders whose + * uses are suboptimal (e.g. "zfs promote", and zil_suspend()). + * + * The usual formula for long-holding would be: + * dsl_pool_hold() + * dsl_dataset_hold() + * ... perform checks ... + * dsl_dataset_long_hold() + * dsl_pool_rele() + * ... perform long-running task ... + * dsl_dataset_long_rele() + * dsl_dataset_rele() + * + * Note that when the long hold is released, the dataset is still held but + * the pool is not held. The dataset may change arbitrarily during this time + * (e.g. it could be destroyed). Therefore you shouldn't do anything to the + * dataset except release it. + * + * User-initiated operations (e.g. ioctls, zfs_ioc_*()) are either read-only + * or modifying operations. + * + * Modifying operations should generally use dsl_sync_task(). The synctask + * infrastructure enforces proper locking strategy with respect to the + * dp_config_rwlock. See the comment above dsl_sync_task() for details. + * + * Read-only operations will manually hold the pool, then the dataset, obtain + * information from the dataset, then release the pool and dataset. + * dmu_objset_{hold,rele}() are convenience routines that also do the pool + * hold/rele. + */ + +int +dsl_pool_hold(const char *name, void *tag, dsl_pool_t **dp) +{ + spa_t *spa; + int error; + + error = spa_open(name, &spa, tag); + if (error == 0) { + *dp = spa_get_dsl(spa); + dsl_pool_config_enter(*dp, tag); + } + return (error); +} + +void +dsl_pool_rele(dsl_pool_t *dp, void *tag) +{ + dsl_pool_config_exit(dp, tag); + spa_close(dp->dp_spa, tag); +} + +void +dsl_pool_config_enter(dsl_pool_t *dp, void *tag) +{ + /* + * We use a "reentrant" reader-writer lock, but not reentrantly. + * + * The rrwlock can (with the track_all flag) track all reading threads, + * which is very useful for debugging which code path failed to release + * the lock, and for verifying that the *current* thread does hold + * the lock. + * + * (Unlike a rwlock, which knows that N threads hold it for + * read, but not *which* threads, so rw_held(RW_READER) returns TRUE + * if any thread holds it for read, even if this thread doesn't). + */ + ASSERT(!rrw_held(&dp->dp_config_rwlock, RW_READER)); + rrw_enter(&dp->dp_config_rwlock, RW_READER, tag); +} + +void +dsl_pool_config_enter_prio(dsl_pool_t *dp, void *tag) +{ + ASSERT(!rrw_held(&dp->dp_config_rwlock, RW_READER)); + rrw_enter_read_prio(&dp->dp_config_rwlock, tag); +} + +void +dsl_pool_config_exit(dsl_pool_t *dp, void *tag) +{ + rrw_exit(&dp->dp_config_rwlock, tag); +} + +boolean_t +dsl_pool_config_held(dsl_pool_t *dp) +{ + return (RRW_LOCK_HELD(&dp->dp_config_rwlock)); +} + +boolean_t +dsl_pool_config_held_writer(dsl_pool_t *dp) +{ + return (RRW_WRITE_HELD(&dp->dp_config_rwlock)); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dsl_pool_config_enter); +EXPORT_SYMBOL(dsl_pool_config_exit); + +/* zfs_dirty_data_max_percent only applied at module load in arc_init(). */ +module_param(zfs_dirty_data_max_percent, int, 0444); +MODULE_PARM_DESC(zfs_dirty_data_max_percent, "percent of ram can be dirty"); + +/* zfs_dirty_data_max_max_percent only applied at module load in arc_init(). */ +module_param(zfs_dirty_data_max_max_percent, int, 0444); +MODULE_PARM_DESC(zfs_dirty_data_max_max_percent, + "zfs_dirty_data_max upper bound as % of RAM"); + +module_param(zfs_delay_min_dirty_percent, int, 0644); +MODULE_PARM_DESC(zfs_delay_min_dirty_percent, "transaction delay threshold"); + +module_param(zfs_dirty_data_max, ulong, 0644); +MODULE_PARM_DESC(zfs_dirty_data_max, "determines the dirty space limit"); + +/* zfs_dirty_data_max_max only applied at module load in arc_init(). */ +module_param(zfs_dirty_data_max_max, ulong, 0444); +MODULE_PARM_DESC(zfs_dirty_data_max_max, + "zfs_dirty_data_max upper bound in bytes"); + +module_param(zfs_dirty_data_sync, ulong, 0644); +MODULE_PARM_DESC(zfs_dirty_data_sync, "sync txg when this much dirty data"); + +module_param(zfs_delay_scale, ulong, 0644); +MODULE_PARM_DESC(zfs_delay_scale, "how quickly delay approaches infinity"); +#endif diff --git a/zfs/module/zfs/dsl_prop.c b/zfs/module/zfs/dsl_prop.c new file mode 100644 index 000000000000..28b101eee547 --- /dev/null +++ b/zfs/module/zfs/dsl_prop.c @@ -0,0 +1,1175 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 Martin Matuska. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "zfs_prop.h" + +#define ZPROP_INHERIT_SUFFIX "$inherit" +#define ZPROP_RECVD_SUFFIX "$recvd" + +static int +dodefault(const char *propname, int intsz, int numints, void *buf) +{ + zfs_prop_t prop; + + /* + * The setonce properties are read-only, BUT they still + * have a default value that can be used as the initial + * value. + */ + if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL || + (zfs_prop_readonly(prop) && !zfs_prop_setonce(prop))) + return (SET_ERROR(ENOENT)); + + if (zfs_prop_get_type(prop) == PROP_TYPE_STRING) { + if (intsz != 1) + return (SET_ERROR(EOVERFLOW)); + (void) strncpy(buf, zfs_prop_default_string(prop), + numints); + } else { + if (intsz != 8 || numints < 1) + return (SET_ERROR(EOVERFLOW)); + + *(uint64_t *)buf = zfs_prop_default_numeric(prop); + } + + return (0); +} + +int +dsl_prop_get_dd(dsl_dir_t *dd, const char *propname, + int intsz, int numints, void *buf, char *setpoint, boolean_t snapshot) +{ + int err = ENOENT; + dsl_dir_t *target = dd; + objset_t *mos = dd->dd_pool->dp_meta_objset; + zfs_prop_t prop; + boolean_t inheritable; + boolean_t inheriting = B_FALSE; + char *inheritstr; + char *recvdstr; + + ASSERT(dsl_pool_config_held(dd->dd_pool)); + + if (setpoint) + setpoint[0] = '\0'; + + prop = zfs_name_to_prop(propname); + inheritable = (prop == ZPROP_INVAL || zfs_prop_inheritable(prop)); + inheritstr = kmem_asprintf("%s%s", propname, ZPROP_INHERIT_SUFFIX); + recvdstr = kmem_asprintf("%s%s", propname, ZPROP_RECVD_SUFFIX); + + /* + * Note: dd may become NULL, therefore we shouldn't dereference it + * after this loop. + */ + for (; dd != NULL; dd = dd->dd_parent) { + if (dd != target || snapshot) { + if (!inheritable) + break; + inheriting = B_TRUE; + } + + /* Check for a local value. */ + err = zap_lookup(mos, dsl_dir_phys(dd)->dd_props_zapobj, + propname, intsz, numints, buf); + if (err != ENOENT) { + if (setpoint != NULL && err == 0) + dsl_dir_name(dd, setpoint); + break; + } + + /* + * Skip the check for a received value if there is an explicit + * inheritance entry. + */ + err = zap_contains(mos, dsl_dir_phys(dd)->dd_props_zapobj, + inheritstr); + if (err != 0 && err != ENOENT) + break; + + if (err == ENOENT) { + /* Check for a received value. */ + err = zap_lookup(mos, dsl_dir_phys(dd)->dd_props_zapobj, + recvdstr, intsz, numints, buf); + if (err != ENOENT) { + if (setpoint != NULL && err == 0) { + if (inheriting) { + dsl_dir_name(dd, setpoint); + } else { + (void) strcpy(setpoint, + ZPROP_SOURCE_VAL_RECVD); + } + } + break; + } + } + + /* + * If we found an explicit inheritance entry, err is zero even + * though we haven't yet found the value, so reinitializing err + * at the end of the loop (instead of at the beginning) ensures + * that err has a valid post-loop value. + */ + err = SET_ERROR(ENOENT); + } + + if (err == ENOENT) + err = dodefault(propname, intsz, numints, buf); + + strfree(inheritstr); + strfree(recvdstr); + + return (err); +} + +int +dsl_prop_get_ds(dsl_dataset_t *ds, const char *propname, + int intsz, int numints, void *buf, char *setpoint) +{ + zfs_prop_t prop = zfs_name_to_prop(propname); + boolean_t inheritable; + uint64_t zapobj; + + ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool)); + inheritable = (prop == ZPROP_INVAL || zfs_prop_inheritable(prop)); + zapobj = dsl_dataset_phys(ds)->ds_props_obj; + + if (zapobj != 0) { + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + int err; + + ASSERT(ds->ds_is_snapshot); + + /* Check for a local value. */ + err = zap_lookup(mos, zapobj, propname, intsz, numints, buf); + if (err != ENOENT) { + if (setpoint != NULL && err == 0) + dsl_dataset_name(ds, setpoint); + return (err); + } + + /* + * Skip the check for a received value if there is an explicit + * inheritance entry. + */ + if (inheritable) { + char *inheritstr = kmem_asprintf("%s%s", propname, + ZPROP_INHERIT_SUFFIX); + err = zap_contains(mos, zapobj, inheritstr); + strfree(inheritstr); + if (err != 0 && err != ENOENT) + return (err); + } + + if (err == ENOENT) { + /* Check for a received value. */ + char *recvdstr = kmem_asprintf("%s%s", propname, + ZPROP_RECVD_SUFFIX); + err = zap_lookup(mos, zapobj, recvdstr, + intsz, numints, buf); + strfree(recvdstr); + if (err != ENOENT) { + if (setpoint != NULL && err == 0) + (void) strcpy(setpoint, + ZPROP_SOURCE_VAL_RECVD); + return (err); + } + } + } + + return (dsl_prop_get_dd(ds->ds_dir, propname, + intsz, numints, buf, setpoint, ds->ds_is_snapshot)); +} + +/* + * Register interest in the named property. We'll call the callback + * once to notify it of the current property value, and again each time + * the property changes, until this callback is unregistered. + * + * Return 0 on success, errno if the prop is not an integer value. + */ +int +dsl_prop_register(dsl_dataset_t *ds, const char *propname, + dsl_prop_changed_cb_t *callback, void *cbarg) +{ + dsl_dir_t *dd = ds->ds_dir; + uint64_t value; + dsl_prop_cb_record_t *cbr; + int err; + ASSERTV(dsl_pool_t *dp = dd->dd_pool); + + ASSERT(dsl_pool_config_held(dp)); + + err = dsl_prop_get_int_ds(ds, propname, &value); + if (err != 0) + return (err); + + cbr = kmem_alloc(sizeof (dsl_prop_cb_record_t), KM_SLEEP); + cbr->cbr_ds = ds; + cbr->cbr_propname = kmem_alloc(strlen(propname)+1, KM_SLEEP); + (void) strcpy((char *)cbr->cbr_propname, propname); + cbr->cbr_func = callback; + cbr->cbr_arg = cbarg; + mutex_enter(&dd->dd_lock); + list_insert_head(&dd->dd_prop_cbs, cbr); + mutex_exit(&dd->dd_lock); + + cbr->cbr_func(cbr->cbr_arg, value); + return (0); +} + +int +dsl_prop_get(const char *dsname, const char *propname, + int intsz, int numints, void *buf, char *setpoint) +{ + objset_t *os; + int error; + + error = dmu_objset_hold(dsname, FTAG, &os); + if (error != 0) + return (error); + + error = dsl_prop_get_ds(dmu_objset_ds(os), propname, + intsz, numints, buf, setpoint); + + dmu_objset_rele(os, FTAG); + return (error); +} + +/* + * Get the current property value. It may have changed by the time this + * function returns, so it is NOT safe to follow up with + * dsl_prop_register() and assume that the value has not changed in + * between. + * + * Return 0 on success, ENOENT if ddname is invalid. + */ +int +dsl_prop_get_integer(const char *ddname, const char *propname, + uint64_t *valuep, char *setpoint) +{ + return (dsl_prop_get(ddname, propname, 8, 1, valuep, setpoint)); +} + +int +dsl_prop_get_int_ds(dsl_dataset_t *ds, const char *propname, + uint64_t *valuep) +{ + return (dsl_prop_get_ds(ds, propname, 8, 1, valuep, NULL)); +} + +/* + * Predict the effective value of the given special property if it were set with + * the given value and source. This is not a general purpose function. It exists + * only to handle the special requirements of the quota and reservation + * properties. The fact that these properties are non-inheritable greatly + * simplifies the prediction logic. + * + * Returns 0 on success, a positive error code on failure, or -1 if called with + * a property not handled by this function. + */ +int +dsl_prop_predict(dsl_dir_t *dd, const char *propname, + zprop_source_t source, uint64_t value, uint64_t *newvalp) +{ + zfs_prop_t prop = zfs_name_to_prop(propname); + objset_t *mos; + uint64_t zapobj; + uint64_t version; + char *recvdstr; + int err = 0; + + switch (prop) { + case ZFS_PROP_QUOTA: + case ZFS_PROP_RESERVATION: + case ZFS_PROP_REFQUOTA: + case ZFS_PROP_REFRESERVATION: + break; + default: + return (-1); + } + + mos = dd->dd_pool->dp_meta_objset; + zapobj = dsl_dir_phys(dd)->dd_props_zapobj; + recvdstr = kmem_asprintf("%s%s", propname, ZPROP_RECVD_SUFFIX); + + version = spa_version(dd->dd_pool->dp_spa); + if (version < SPA_VERSION_RECVD_PROPS) { + if (source & ZPROP_SRC_NONE) + source = ZPROP_SRC_NONE; + else if (source & ZPROP_SRC_RECEIVED) + source = ZPROP_SRC_LOCAL; + } + + switch ((int)source) { + case ZPROP_SRC_NONE: + /* Revert to the received value, if any. */ + err = zap_lookup(mos, zapobj, recvdstr, 8, 1, newvalp); + if (err == ENOENT) + *newvalp = 0; + break; + case ZPROP_SRC_LOCAL: + *newvalp = value; + break; + case ZPROP_SRC_RECEIVED: + /* + * If there's no local setting, then the new received value will + * be the effective value. + */ + err = zap_lookup(mos, zapobj, propname, 8, 1, newvalp); + if (err == ENOENT) + *newvalp = value; + break; + case (ZPROP_SRC_NONE | ZPROP_SRC_RECEIVED): + /* + * We're clearing the received value, so the local setting (if + * it exists) remains the effective value. + */ + err = zap_lookup(mos, zapobj, propname, 8, 1, newvalp); + if (err == ENOENT) + *newvalp = 0; + break; + default: + panic("unexpected property source: %d", source); + } + + strfree(recvdstr); + + if (err == ENOENT) + return (0); + + return (err); +} + +/* + * Unregister this callback. Return 0 on success, ENOENT if ddname is + * invalid, or ENOMSG if no matching callback registered. + */ +int +dsl_prop_unregister(dsl_dataset_t *ds, const char *propname, + dsl_prop_changed_cb_t *callback, void *cbarg) +{ + dsl_dir_t *dd = ds->ds_dir; + dsl_prop_cb_record_t *cbr; + + mutex_enter(&dd->dd_lock); + for (cbr = list_head(&dd->dd_prop_cbs); + cbr; cbr = list_next(&dd->dd_prop_cbs, cbr)) { + if (cbr->cbr_ds == ds && + cbr->cbr_func == callback && + cbr->cbr_arg == cbarg && + strcmp(cbr->cbr_propname, propname) == 0) + break; + } + + if (cbr == NULL) { + mutex_exit(&dd->dd_lock); + return (SET_ERROR(ENOMSG)); + } + + list_remove(&dd->dd_prop_cbs, cbr); + mutex_exit(&dd->dd_lock); + kmem_free((void*)cbr->cbr_propname, strlen(cbr->cbr_propname)+1); + kmem_free(cbr, sizeof (dsl_prop_cb_record_t)); + + return (0); +} + +boolean_t +dsl_prop_hascb(dsl_dataset_t *ds) +{ + dsl_dir_t *dd = ds->ds_dir; + boolean_t rv = B_FALSE; + dsl_prop_cb_record_t *cbr; + + mutex_enter(&dd->dd_lock); + for (cbr = list_head(&dd->dd_prop_cbs); cbr; + cbr = list_next(&dd->dd_prop_cbs, cbr)) { + if (cbr->cbr_ds == ds) { + rv = B_TRUE; + break; + } + } + mutex_exit(&dd->dd_lock); + return (rv); +} + +/* ARGSUSED */ +static int +dsl_prop_notify_all_cb(dsl_pool_t *dp, dsl_dataset_t *ds, void *arg) +{ + dsl_dir_t *dd = ds->ds_dir; + dsl_prop_cb_record_t *cbr; + + mutex_enter(&dd->dd_lock); + for (cbr = list_head(&dd->dd_prop_cbs); cbr; + cbr = list_next(&dd->dd_prop_cbs, cbr)) { + uint64_t value; + + /* + * Callback entries do not have holds on their datasets + * so that datasets with registered callbacks are still + * eligible for eviction. Unlike operations on callbacks + * for a single dataset, we are performing a recursive + * descent of related datasets and the calling context + * for this iteration only has a dataset hold on the root. + * Without a hold, the callback's pointer to the dataset + * could be invalidated by eviction at any time. + * + * Use dsl_dataset_try_add_ref() to verify that the + * dataset has not begun eviction processing and to + * prevent eviction from occurring for the duration + * of the callback. If the hold attempt fails, this + * object is already being evicted and the callback can + * be safely ignored. + */ + if (!dsl_dataset_try_add_ref(dp, cbr->cbr_ds, FTAG)) + continue; + + if (dsl_prop_get_ds(cbr->cbr_ds, cbr->cbr_propname, + sizeof (value), 1, &value, NULL) == 0) + cbr->cbr_func(cbr->cbr_arg, value); + + dsl_dataset_rele(cbr->cbr_ds, FTAG); + } + mutex_exit(&dd->dd_lock); + + return (0); +} + +/* + * Update all property values for ddobj & its descendants. This is used + * when renaming the dir. + */ +void +dsl_prop_notify_all(dsl_dir_t *dd) +{ + dsl_pool_t *dp = dd->dd_pool; + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + (void) dmu_objset_find_dp(dp, dd->dd_object, dsl_prop_notify_all_cb, + NULL, DS_FIND_CHILDREN); +} + +static void +dsl_prop_changed_notify(dsl_pool_t *dp, uint64_t ddobj, + const char *propname, uint64_t value, int first) +{ + dsl_dir_t *dd; + dsl_prop_cb_record_t *cbr; + objset_t *mos = dp->dp_meta_objset; + zap_cursor_t zc; + zap_attribute_t *za; + int err; + + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + err = dsl_dir_hold_obj(dp, ddobj, NULL, FTAG, &dd); + if (err) + return; + + if (!first) { + /* + * If the prop is set here, then this change is not + * being inherited here or below; stop the recursion. + */ + err = zap_contains(mos, dsl_dir_phys(dd)->dd_props_zapobj, + propname); + if (err == 0) { + dsl_dir_rele(dd, FTAG); + return; + } + ASSERT3U(err, ==, ENOENT); + } + + mutex_enter(&dd->dd_lock); + for (cbr = list_head(&dd->dd_prop_cbs); cbr; + cbr = list_next(&dd->dd_prop_cbs, cbr)) { + uint64_t propobj; + + /* + * cbr->cbf_ds may be invalidated due to eviction, + * requiring the use of dsl_dataset_try_add_ref(). + * See comment block in dsl_prop_notify_all_cb() + * for details. + */ + if (strcmp(cbr->cbr_propname, propname) != 0 || + !dsl_dataset_try_add_ref(dp, cbr->cbr_ds, FTAG)) + continue; + + propobj = dsl_dataset_phys(cbr->cbr_ds)->ds_props_obj; + + /* + * If the property is not set on this ds, then it is + * inherited here; call the callback. + */ + if (propobj == 0 || zap_contains(mos, propobj, propname) != 0) + cbr->cbr_func(cbr->cbr_arg, value); + + dsl_dataset_rele(cbr->cbr_ds, FTAG); + } + mutex_exit(&dd->dd_lock); + + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + for (zap_cursor_init(&zc, mos, + dsl_dir_phys(dd)->dd_child_dir_zapobj); + zap_cursor_retrieve(&zc, za) == 0; + zap_cursor_advance(&zc)) { + dsl_prop_changed_notify(dp, za->za_first_integer, + propname, value, FALSE); + } + kmem_free(za, sizeof (zap_attribute_t)); + zap_cursor_fini(&zc); + dsl_dir_rele(dd, FTAG); +} + +void +dsl_prop_set_sync_impl(dsl_dataset_t *ds, const char *propname, + zprop_source_t source, int intsz, int numints, const void *value, + dmu_tx_t *tx) +{ + objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; + uint64_t zapobj, intval, dummy; + int isint; + char valbuf[32]; + const char *valstr = NULL; + char *inheritstr; + char *recvdstr; + char *tbuf = NULL; + int err; + uint64_t version = spa_version(ds->ds_dir->dd_pool->dp_spa); + + isint = (dodefault(propname, 8, 1, &intval) == 0); + + if (ds->ds_is_snapshot) { + ASSERT(version >= SPA_VERSION_SNAP_PROPS); + if (dsl_dataset_phys(ds)->ds_props_obj == 0) { + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_dataset_phys(ds)->ds_props_obj = + zap_create(mos, + DMU_OT_DSL_PROPS, DMU_OT_NONE, 0, tx); + } + zapobj = dsl_dataset_phys(ds)->ds_props_obj; + } else { + zapobj = dsl_dir_phys(ds->ds_dir)->dd_props_zapobj; + } + + if (version < SPA_VERSION_RECVD_PROPS) { + if (source & ZPROP_SRC_NONE) + source = ZPROP_SRC_NONE; + else if (source & ZPROP_SRC_RECEIVED) + source = ZPROP_SRC_LOCAL; + } + + inheritstr = kmem_asprintf("%s%s", propname, ZPROP_INHERIT_SUFFIX); + recvdstr = kmem_asprintf("%s%s", propname, ZPROP_RECVD_SUFFIX); + + switch ((int)source) { + case ZPROP_SRC_NONE: + /* + * revert to received value, if any (inherit -S) + * - remove propname + * - remove propname$inherit + */ + err = zap_remove(mos, zapobj, propname, tx); + ASSERT(err == 0 || err == ENOENT); + err = zap_remove(mos, zapobj, inheritstr, tx); + ASSERT(err == 0 || err == ENOENT); + break; + case ZPROP_SRC_LOCAL: + /* + * remove propname$inherit + * set propname -> value + */ + err = zap_remove(mos, zapobj, inheritstr, tx); + ASSERT(err == 0 || err == ENOENT); + VERIFY0(zap_update(mos, zapobj, propname, + intsz, numints, value, tx)); + break; + case ZPROP_SRC_INHERITED: + /* + * explicitly inherit + * - remove propname + * - set propname$inherit + */ + err = zap_remove(mos, zapobj, propname, tx); + ASSERT(err == 0 || err == ENOENT); + if (version >= SPA_VERSION_RECVD_PROPS && + dsl_prop_get_int_ds(ds, ZPROP_HAS_RECVD, &dummy) == 0) { + dummy = 0; + VERIFY0(zap_update(mos, zapobj, inheritstr, + 8, 1, &dummy, tx)); + } + break; + case ZPROP_SRC_RECEIVED: + /* + * set propname$recvd -> value + */ + err = zap_update(mos, zapobj, recvdstr, + intsz, numints, value, tx); + ASSERT(err == 0); + break; + case (ZPROP_SRC_NONE | ZPROP_SRC_LOCAL | ZPROP_SRC_RECEIVED): + /* + * clear local and received settings + * - remove propname + * - remove propname$inherit + * - remove propname$recvd + */ + err = zap_remove(mos, zapobj, propname, tx); + ASSERT(err == 0 || err == ENOENT); + err = zap_remove(mos, zapobj, inheritstr, tx); + ASSERT(err == 0 || err == ENOENT); + /* FALLTHRU */ + case (ZPROP_SRC_NONE | ZPROP_SRC_RECEIVED): + /* + * remove propname$recvd + */ + err = zap_remove(mos, zapobj, recvdstr, tx); + ASSERT(err == 0 || err == ENOENT); + break; + default: + cmn_err(CE_PANIC, "unexpected property source: %d", source); + } + + strfree(inheritstr); + strfree(recvdstr); + + if (isint) { + VERIFY0(dsl_prop_get_int_ds(ds, propname, &intval)); + + if (ds->ds_is_snapshot) { + dsl_prop_cb_record_t *cbr; + /* + * It's a snapshot; nothing can inherit this + * property, so just look for callbacks on this + * ds here. + */ + mutex_enter(&ds->ds_dir->dd_lock); + for (cbr = list_head(&ds->ds_dir->dd_prop_cbs); cbr; + cbr = list_next(&ds->ds_dir->dd_prop_cbs, cbr)) { + if (cbr->cbr_ds == ds && + strcmp(cbr->cbr_propname, propname) == 0) + cbr->cbr_func(cbr->cbr_arg, intval); + } + mutex_exit(&ds->ds_dir->dd_lock); + } else { + dsl_prop_changed_notify(ds->ds_dir->dd_pool, + ds->ds_dir->dd_object, propname, intval, TRUE); + } + + (void) snprintf(valbuf, sizeof (valbuf), + "%lld", (longlong_t)intval); + valstr = valbuf; + } else { + if (source == ZPROP_SRC_LOCAL) { + valstr = value; + } else { + tbuf = kmem_alloc(ZAP_MAXVALUELEN, KM_SLEEP); + if (dsl_prop_get_ds(ds, propname, 1, + ZAP_MAXVALUELEN, tbuf, NULL) == 0) + valstr = tbuf; + } + } + + spa_history_log_internal_ds(ds, (source == ZPROP_SRC_NONE || + source == ZPROP_SRC_INHERITED) ? "inherit" : "set", tx, + "%s=%s", propname, (valstr == NULL ? "" : valstr)); + + if (tbuf != NULL) + kmem_free(tbuf, ZAP_MAXVALUELEN); +} + +int +dsl_prop_set_int(const char *dsname, const char *propname, + zprop_source_t source, uint64_t value) +{ + nvlist_t *nvl = fnvlist_alloc(); + int error; + + fnvlist_add_uint64(nvl, propname, value); + error = dsl_props_set(dsname, source, nvl); + fnvlist_free(nvl); + return (error); +} + +int +dsl_prop_set_string(const char *dsname, const char *propname, + zprop_source_t source, const char *value) +{ + nvlist_t *nvl = fnvlist_alloc(); + int error; + + fnvlist_add_string(nvl, propname, value); + error = dsl_props_set(dsname, source, nvl); + fnvlist_free(nvl); + return (error); +} + +int +dsl_prop_inherit(const char *dsname, const char *propname, + zprop_source_t source) +{ + nvlist_t *nvl = fnvlist_alloc(); + int error; + + fnvlist_add_boolean(nvl, propname); + error = dsl_props_set(dsname, source, nvl); + fnvlist_free(nvl); + return (error); +} + +typedef struct dsl_props_set_arg { + const char *dpsa_dsname; + zprop_source_t dpsa_source; + nvlist_t *dpsa_props; +} dsl_props_set_arg_t; + +static int +dsl_props_set_check(void *arg, dmu_tx_t *tx) +{ + dsl_props_set_arg_t *dpsa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + uint64_t version; + nvpair_t *elem = NULL; + int err; + + err = dsl_dataset_hold(dp, dpsa->dpsa_dsname, FTAG, &ds); + if (err != 0) + return (err); + + version = spa_version(ds->ds_dir->dd_pool->dp_spa); + while ((elem = nvlist_next_nvpair(dpsa->dpsa_props, elem)) != NULL) { + if (strlen(nvpair_name(elem)) >= ZAP_MAXNAMELEN) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENAMETOOLONG)); + } + if (nvpair_type(elem) == DATA_TYPE_STRING) { + char *valstr = fnvpair_value_string(elem); + if (strlen(valstr) >= (version < + SPA_VERSION_STMF_PROP ? + ZAP_OLDMAXVALUELEN : ZAP_MAXVALUELEN)) { + dsl_dataset_rele(ds, FTAG); + return (E2BIG); + } + } + } + + if (ds->ds_is_snapshot && version < SPA_VERSION_SNAP_PROPS) { + dsl_dataset_rele(ds, FTAG); + return (SET_ERROR(ENOTSUP)); + } + dsl_dataset_rele(ds, FTAG); + return (0); +} + +void +dsl_props_set_sync_impl(dsl_dataset_t *ds, zprop_source_t source, + nvlist_t *props, dmu_tx_t *tx) +{ + nvpair_t *elem = NULL; + + while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { + nvpair_t *pair = elem; + + if (nvpair_type(pair) == DATA_TYPE_NVLIST) { + /* + * dsl_prop_get_all_impl() returns properties in this + * format. + */ + nvlist_t *attrs = fnvpair_value_nvlist(pair); + pair = fnvlist_lookup_nvpair(attrs, ZPROP_VALUE); + } + + if (nvpair_type(pair) == DATA_TYPE_STRING) { + const char *value = fnvpair_value_string(pair); + dsl_prop_set_sync_impl(ds, nvpair_name(pair), + source, 1, strlen(value) + 1, value, tx); + } else if (nvpair_type(pair) == DATA_TYPE_UINT64) { + uint64_t intval = fnvpair_value_uint64(pair); + dsl_prop_set_sync_impl(ds, nvpair_name(pair), + source, sizeof (intval), 1, &intval, tx); + } else if (nvpair_type(pair) == DATA_TYPE_BOOLEAN) { + dsl_prop_set_sync_impl(ds, nvpair_name(pair), + source, 0, 0, NULL, tx); + } else { + panic("invalid nvpair type"); + } + } +} + +static void +dsl_props_set_sync(void *arg, dmu_tx_t *tx) +{ + dsl_props_set_arg_t *dpsa = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dp, dpsa->dpsa_dsname, FTAG, &ds)); + dsl_props_set_sync_impl(ds, dpsa->dpsa_source, dpsa->dpsa_props, tx); + dsl_dataset_rele(ds, FTAG); +} + +/* + * All-or-nothing; if any prop can't be set, nothing will be modified. + */ +int +dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *props) +{ + dsl_props_set_arg_t dpsa; + int nblks = 0; + + dpsa.dpsa_dsname = dsname; + dpsa.dpsa_source = source; + dpsa.dpsa_props = props; + + /* + * If the source includes NONE, then we will only be removing entries + * from the ZAP object. In that case don't check for ENOSPC. + */ + if ((source & ZPROP_SRC_NONE) == 0) + nblks = 2 * fnvlist_num_pairs(props); + + return (dsl_sync_task(dsname, dsl_props_set_check, dsl_props_set_sync, + &dpsa, nblks, ZFS_SPACE_CHECK_RESERVED)); +} + +typedef enum dsl_prop_getflags { + DSL_PROP_GET_INHERITING = 0x1, /* searching parent of target ds */ + DSL_PROP_GET_SNAPSHOT = 0x2, /* snapshot dataset */ + DSL_PROP_GET_LOCAL = 0x4, /* local properties */ + DSL_PROP_GET_RECEIVED = 0x8 /* received properties */ +} dsl_prop_getflags_t; + +static int +dsl_prop_get_all_impl(objset_t *mos, uint64_t propobj, + const char *setpoint, dsl_prop_getflags_t flags, nvlist_t *nv) +{ + zap_cursor_t zc; + zap_attribute_t za; + int err = 0; + + for (zap_cursor_init(&zc, mos, propobj); + (err = zap_cursor_retrieve(&zc, &za)) == 0; + zap_cursor_advance(&zc)) { + nvlist_t *propval; + zfs_prop_t prop; + char buf[ZAP_MAXNAMELEN]; + char *valstr; + const char *suffix; + const char *propname; + const char *source; + + suffix = strchr(za.za_name, '$'); + + if (suffix == NULL) { + /* + * Skip local properties if we only want received + * properties. + */ + if (flags & DSL_PROP_GET_RECEIVED) + continue; + + propname = za.za_name; + source = setpoint; + } else if (strcmp(suffix, ZPROP_INHERIT_SUFFIX) == 0) { + /* Skip explicitly inherited entries. */ + continue; + } else if (strcmp(suffix, ZPROP_RECVD_SUFFIX) == 0) { + if (flags & DSL_PROP_GET_LOCAL) + continue; + + (void) strncpy(buf, za.za_name, (suffix - za.za_name)); + buf[suffix - za.za_name] = '\0'; + propname = buf; + + if (!(flags & DSL_PROP_GET_RECEIVED)) { + /* Skip if locally overridden. */ + err = zap_contains(mos, propobj, propname); + if (err == 0) + continue; + if (err != ENOENT) + break; + + /* Skip if explicitly inherited. */ + valstr = kmem_asprintf("%s%s", propname, + ZPROP_INHERIT_SUFFIX); + err = zap_contains(mos, propobj, valstr); + strfree(valstr); + if (err == 0) + continue; + if (err != ENOENT) + break; + } + + source = ((flags & DSL_PROP_GET_INHERITING) ? + setpoint : ZPROP_SOURCE_VAL_RECVD); + } else { + /* + * For backward compatibility, skip suffixes we don't + * recognize. + */ + continue; + } + + prop = zfs_name_to_prop(propname); + + /* Skip non-inheritable properties. */ + if ((flags & DSL_PROP_GET_INHERITING) && prop != ZPROP_INVAL && + !zfs_prop_inheritable(prop)) + continue; + + /* Skip properties not valid for this type. */ + if ((flags & DSL_PROP_GET_SNAPSHOT) && prop != ZPROP_INVAL && + !zfs_prop_valid_for_type(prop, ZFS_TYPE_SNAPSHOT, B_FALSE)) + continue; + + /* Skip properties already defined. */ + if (nvlist_exists(nv, propname)) + continue; + + VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); + if (za.za_integer_length == 1) { + /* + * String property + */ + char *tmp = kmem_alloc(za.za_num_integers, + KM_SLEEP); + err = zap_lookup(mos, propobj, + za.za_name, 1, za.za_num_integers, tmp); + if (err != 0) { + kmem_free(tmp, za.za_num_integers); + break; + } + VERIFY(nvlist_add_string(propval, ZPROP_VALUE, + tmp) == 0); + kmem_free(tmp, za.za_num_integers); + } else { + /* + * Integer property + */ + ASSERT(za.za_integer_length == 8); + (void) nvlist_add_uint64(propval, ZPROP_VALUE, + za.za_first_integer); + } + + VERIFY(nvlist_add_string(propval, ZPROP_SOURCE, source) == 0); + VERIFY(nvlist_add_nvlist(nv, propname, propval) == 0); + nvlist_free(propval); + } + zap_cursor_fini(&zc); + if (err == ENOENT) + err = 0; + return (err); +} + +/* + * Iterate over all properties for this dataset and return them in an nvlist. + */ +static int +dsl_prop_get_all_ds(dsl_dataset_t *ds, nvlist_t **nvp, + dsl_prop_getflags_t flags) +{ + dsl_dir_t *dd = ds->ds_dir; + dsl_pool_t *dp = dd->dd_pool; + objset_t *mos = dp->dp_meta_objset; + int err = 0; + char setpoint[MAXNAMELEN]; + + VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + if (ds->ds_is_snapshot) + flags |= DSL_PROP_GET_SNAPSHOT; + + ASSERT(dsl_pool_config_held(dp)); + + if (dsl_dataset_phys(ds)->ds_props_obj != 0) { + ASSERT(flags & DSL_PROP_GET_SNAPSHOT); + dsl_dataset_name(ds, setpoint); + err = dsl_prop_get_all_impl(mos, + dsl_dataset_phys(ds)->ds_props_obj, setpoint, flags, *nvp); + if (err) + goto out; + } + + for (; dd != NULL; dd = dd->dd_parent) { + if (dd != ds->ds_dir || (flags & DSL_PROP_GET_SNAPSHOT)) { + if (flags & (DSL_PROP_GET_LOCAL | + DSL_PROP_GET_RECEIVED)) + break; + flags |= DSL_PROP_GET_INHERITING; + } + dsl_dir_name(dd, setpoint); + err = dsl_prop_get_all_impl(mos, + dsl_dir_phys(dd)->dd_props_zapobj, setpoint, flags, *nvp); + if (err) + break; + } +out: + return (err); +} + +boolean_t +dsl_prop_get_hasrecvd(const char *dsname) +{ + uint64_t dummy; + + return (0 == + dsl_prop_get_integer(dsname, ZPROP_HAS_RECVD, &dummy, NULL)); +} + +static int +dsl_prop_set_hasrecvd_impl(const char *dsname, zprop_source_t source) +{ + uint64_t version; + spa_t *spa; + int error = 0; + + VERIFY0(spa_open(dsname, &spa, FTAG)); + version = spa_version(spa); + spa_close(spa, FTAG); + + if (version >= SPA_VERSION_RECVD_PROPS) + error = dsl_prop_set_int(dsname, ZPROP_HAS_RECVD, source, 0); + return (error); +} + +/* + * Call after successfully receiving properties to ensure that only the first + * receive on or after SPA_VERSION_RECVD_PROPS blows away local properties. + */ +int +dsl_prop_set_hasrecvd(const char *dsname) +{ + int error = 0; + if (!dsl_prop_get_hasrecvd(dsname)) + error = dsl_prop_set_hasrecvd_impl(dsname, ZPROP_SRC_LOCAL); + return (error); +} + +void +dsl_prop_unset_hasrecvd(const char *dsname) +{ + VERIFY0(dsl_prop_set_hasrecvd_impl(dsname, ZPROP_SRC_NONE)); +} + +int +dsl_prop_get_all(objset_t *os, nvlist_t **nvp) +{ + return (dsl_prop_get_all_ds(os->os_dsl_dataset, nvp, 0)); +} + +int +dsl_prop_get_received(const char *dsname, nvlist_t **nvp) +{ + objset_t *os; + int error; + + /* + * Received properties are not distinguishable from local properties + * until the dataset has received properties on or after + * SPA_VERSION_RECVD_PROPS. + */ + dsl_prop_getflags_t flags = (dsl_prop_get_hasrecvd(dsname) ? + DSL_PROP_GET_RECEIVED : DSL_PROP_GET_LOCAL); + + error = dmu_objset_hold(dsname, FTAG, &os); + if (error != 0) + return (error); + error = dsl_prop_get_all_ds(os->os_dsl_dataset, nvp, flags); + dmu_objset_rele(os, FTAG); + return (error); +} + +void +dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value) +{ + nvlist_t *propval; + const char *propname = zfs_prop_to_name(prop); + uint64_t default_value; + + if (nvlist_lookup_nvlist(nv, propname, &propval) == 0) { + VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, value) == 0); + return; + } + + VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, value) == 0); + /* Indicate the default source if we can. */ + if (dodefault(propname, 8, 1, &default_value) == 0 && + value == default_value) { + VERIFY(nvlist_add_string(propval, ZPROP_SOURCE, "") == 0); + } + VERIFY(nvlist_add_nvlist(nv, propname, propval) == 0); + nvlist_free(propval); +} + +void +dsl_prop_nvlist_add_string(nvlist_t *nv, zfs_prop_t prop, const char *value) +{ + nvlist_t *propval; + const char *propname = zfs_prop_to_name(prop); + + if (nvlist_lookup_nvlist(nv, propname, &propval) == 0) { + VERIFY(nvlist_add_string(propval, ZPROP_VALUE, value) == 0); + return; + } + + VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_string(propval, ZPROP_VALUE, value) == 0); + VERIFY(nvlist_add_nvlist(nv, propname, propval) == 0); + nvlist_free(propval); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dsl_prop_register); +EXPORT_SYMBOL(dsl_prop_unregister); +EXPORT_SYMBOL(dsl_prop_get); +EXPORT_SYMBOL(dsl_prop_get_integer); +EXPORT_SYMBOL(dsl_prop_get_all); +EXPORT_SYMBOL(dsl_prop_get_received); +EXPORT_SYMBOL(dsl_prop_get_ds); +EXPORT_SYMBOL(dsl_prop_get_int_ds); +EXPORT_SYMBOL(dsl_prop_get_dd); +EXPORT_SYMBOL(dsl_props_set); +EXPORT_SYMBOL(dsl_prop_set_int); +EXPORT_SYMBOL(dsl_prop_set_string); +EXPORT_SYMBOL(dsl_prop_inherit); +EXPORT_SYMBOL(dsl_prop_predict); +EXPORT_SYMBOL(dsl_prop_nvlist_add_uint64); +EXPORT_SYMBOL(dsl_prop_nvlist_add_string); +#endif diff --git a/zfs/module/zfs/dsl_scan.c b/zfs/module/zfs/dsl_scan.c new file mode 100644 index 000000000000..b989e763386b --- /dev/null +++ b/zfs/module/zfs/dsl_scan.c @@ -0,0 +1,1907 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef _KERNEL +#include +#endif + +typedef int (scan_cb_t)(dsl_pool_t *, const blkptr_t *, + const zbookmark_phys_t *); + +static scan_cb_t dsl_scan_scrub_cb; +static void dsl_scan_cancel_sync(void *, dmu_tx_t *); +static void dsl_scan_sync_state(dsl_scan_t *, dmu_tx_t *tx); + +int zfs_top_maxinflight = 32; /* maximum I/Os per top-level */ +int zfs_resilver_delay = 2; /* number of ticks to delay resilver */ +int zfs_scrub_delay = 4; /* number of ticks to delay scrub */ +int zfs_scan_idle = 50; /* idle window in clock ticks */ + +int zfs_scan_min_time_ms = 1000; /* min millisecs to scrub per txg */ +int zfs_free_min_time_ms = 1000; /* min millisecs to free per txg */ +int zfs_resilver_min_time_ms = 3000; /* min millisecs to resilver per txg */ +int zfs_no_scrub_io = B_FALSE; /* set to disable scrub i/o */ +int zfs_no_scrub_prefetch = B_FALSE; /* set to disable scrub prefetch */ +enum ddt_class zfs_scrub_ddt_class_max = DDT_CLASS_DUPLICATE; +int dsl_scan_delay_completion = B_FALSE; /* set to delay scan completion */ +/* max number of blocks to free in a single TXG */ +ulong zfs_free_max_blocks = 100000; + +#define DSL_SCAN_IS_SCRUB_RESILVER(scn) \ + ((scn)->scn_phys.scn_func == POOL_SCAN_SCRUB || \ + (scn)->scn_phys.scn_func == POOL_SCAN_RESILVER) + +/* the order has to match pool_scan_type */ +static scan_cb_t *scan_funcs[POOL_SCAN_FUNCS] = { + NULL, + dsl_scan_scrub_cb, /* POOL_SCAN_SCRUB */ + dsl_scan_scrub_cb, /* POOL_SCAN_RESILVER */ +}; + +int +dsl_scan_init(dsl_pool_t *dp, uint64_t txg) +{ + int err; + dsl_scan_t *scn; + spa_t *spa = dp->dp_spa; + uint64_t f; + + scn = dp->dp_scan = kmem_zalloc(sizeof (dsl_scan_t), KM_SLEEP); + scn->scn_dp = dp; + + /* + * It's possible that we're resuming a scan after a reboot so + * make sure that the scan_async_destroying flag is initialized + * appropriately. + */ + ASSERT(!scn->scn_async_destroying); + scn->scn_async_destroying = spa_feature_is_active(dp->dp_spa, + SPA_FEATURE_ASYNC_DESTROY); + + err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + "scrub_func", sizeof (uint64_t), 1, &f); + if (err == 0) { + /* + * There was an old-style scrub in progress. Restart a + * new-style scrub from the beginning. + */ + scn->scn_restart_txg = txg; + zfs_dbgmsg("old-style scrub was in progress; " + "restarting new-style scrub in txg %llu", + scn->scn_restart_txg); + + /* + * Load the queue obj from the old location so that it + * can be freed by dsl_scan_done(). + */ + (void) zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + "scrub_queue", sizeof (uint64_t), 1, + &scn->scn_phys.scn_queue_obj); + } else { + err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_SCAN, sizeof (uint64_t), SCAN_PHYS_NUMINTS, + &scn->scn_phys); + /* + * Detect if the pool contains the signature of #2094. If it + * does properly update the scn->scn_phys structure and notify + * the administrator by setting an errata for the pool. + */ + if (err == EOVERFLOW) { + uint64_t zaptmp[SCAN_PHYS_NUMINTS + 1]; + VERIFY3S(SCAN_PHYS_NUMINTS, ==, 24); + VERIFY3S(offsetof(dsl_scan_phys_t, scn_flags), ==, + (23 * sizeof (uint64_t))); + + err = zap_lookup(dp->dp_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SCAN, + sizeof (uint64_t), SCAN_PHYS_NUMINTS + 1, &zaptmp); + if (err == 0) { + uint64_t overflow = zaptmp[SCAN_PHYS_NUMINTS]; + + if (overflow & ~DSL_SCAN_FLAGS_MASK || + scn->scn_async_destroying) { + spa->spa_errata = + ZPOOL_ERRATA_ZOL_2094_ASYNC_DESTROY; + return (EOVERFLOW); + } + + bcopy(zaptmp, &scn->scn_phys, + SCAN_PHYS_NUMINTS * sizeof (uint64_t)); + scn->scn_phys.scn_flags = overflow; + + /* Required scrub already in progress. */ + if (scn->scn_phys.scn_state == DSS_FINISHED || + scn->scn_phys.scn_state == DSS_CANCELED) + spa->spa_errata = + ZPOOL_ERRATA_ZOL_2094_SCRUB; + } + } + + if (err == ENOENT) + return (0); + else if (err) + return (err); + + if (scn->scn_phys.scn_state == DSS_SCANNING && + spa_prev_software_version(dp->dp_spa) < SPA_VERSION_SCAN) { + /* + * A new-type scrub was in progress on an old + * pool, and the pool was accessed by old + * software. Restart from the beginning, since + * the old software may have changed the pool in + * the meantime. + */ + scn->scn_restart_txg = txg; + zfs_dbgmsg("new-style scrub was modified " + "by old software; restarting in txg %llu", + scn->scn_restart_txg); + } + } + + spa_scan_stat_init(spa); + return (0); +} + +void +dsl_scan_fini(dsl_pool_t *dp) +{ + if (dp->dp_scan) { + kmem_free(dp->dp_scan, sizeof (dsl_scan_t)); + dp->dp_scan = NULL; + } +} + +/* ARGSUSED */ +static int +dsl_scan_setup_check(void *arg, dmu_tx_t *tx) +{ + dsl_scan_t *scn = dmu_tx_pool(tx)->dp_scan; + + if (scn->scn_phys.scn_state == DSS_SCANNING) + return (SET_ERROR(EBUSY)); + + return (0); +} + +static void +dsl_scan_setup_sync(void *arg, dmu_tx_t *tx) +{ + dsl_scan_t *scn = dmu_tx_pool(tx)->dp_scan; + pool_scan_func_t *funcp = arg; + dmu_object_type_t ot = 0; + dsl_pool_t *dp = scn->scn_dp; + spa_t *spa = dp->dp_spa; + + ASSERT(scn->scn_phys.scn_state != DSS_SCANNING); + ASSERT(*funcp > POOL_SCAN_NONE && *funcp < POOL_SCAN_FUNCS); + bzero(&scn->scn_phys, sizeof (scn->scn_phys)); + scn->scn_phys.scn_func = *funcp; + scn->scn_phys.scn_state = DSS_SCANNING; + scn->scn_phys.scn_min_txg = 0; + scn->scn_phys.scn_max_txg = tx->tx_txg; + scn->scn_phys.scn_ddt_class_max = DDT_CLASSES - 1; /* the entire DDT */ + scn->scn_phys.scn_start_time = gethrestime_sec(); + scn->scn_phys.scn_errors = 0; + scn->scn_phys.scn_to_examine = spa->spa_root_vdev->vdev_stat.vs_alloc; + scn->scn_restart_txg = 0; + scn->scn_done_txg = 0; + spa_scan_stat_init(spa); + + if (DSL_SCAN_IS_SCRUB_RESILVER(scn)) { + scn->scn_phys.scn_ddt_class_max = zfs_scrub_ddt_class_max; + + /* rewrite all disk labels */ + vdev_config_dirty(spa->spa_root_vdev); + + if (vdev_resilver_needed(spa->spa_root_vdev, + &scn->scn_phys.scn_min_txg, &scn->scn_phys.scn_max_txg)) { + spa_event_notify(spa, NULL, + FM_EREPORT_ZFS_RESILVER_START); + } else { + spa_event_notify(spa, NULL, + FM_EREPORT_ZFS_SCRUB_START); + } + + spa->spa_scrub_started = B_TRUE; + /* + * If this is an incremental scrub, limit the DDT scrub phase + * to just the auto-ditto class (for correctness); the rest + * of the scrub should go faster using top-down pruning. + */ + if (scn->scn_phys.scn_min_txg > TXG_INITIAL) + scn->scn_phys.scn_ddt_class_max = DDT_CLASS_DITTO; + + } + + /* back to the generic stuff */ + + if (dp->dp_blkstats == NULL) { + dp->dp_blkstats = + vmem_alloc(sizeof (zfs_all_blkstats_t), KM_SLEEP); + } + bzero(dp->dp_blkstats, sizeof (zfs_all_blkstats_t)); + + if (spa_version(spa) < SPA_VERSION_DSL_SCRUB) + ot = DMU_OT_ZAP_OTHER; + + scn->scn_phys.scn_queue_obj = zap_create(dp->dp_meta_objset, + ot ? ot : DMU_OT_SCAN_QUEUE, DMU_OT_NONE, 0, tx); + + dsl_scan_sync_state(scn, tx); + + spa_history_log_internal(spa, "scan setup", tx, + "func=%u mintxg=%llu maxtxg=%llu", + *funcp, scn->scn_phys.scn_min_txg, scn->scn_phys.scn_max_txg); +} + +/* ARGSUSED */ +static void +dsl_scan_done(dsl_scan_t *scn, boolean_t complete, dmu_tx_t *tx) +{ + static const char *old_names[] = { + "scrub_bookmark", + "scrub_ddt_bookmark", + "scrub_ddt_class_max", + "scrub_queue", + "scrub_min_txg", + "scrub_max_txg", + "scrub_func", + "scrub_errors", + NULL + }; + + dsl_pool_t *dp = scn->scn_dp; + spa_t *spa = dp->dp_spa; + int i; + + /* Remove any remnants of an old-style scrub. */ + for (i = 0; old_names[i]; i++) { + (void) zap_remove(dp->dp_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, old_names[i], tx); + } + + if (scn->scn_phys.scn_queue_obj != 0) { + VERIFY(0 == dmu_object_free(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, tx)); + scn->scn_phys.scn_queue_obj = 0; + } + + /* + * If we were "restarted" from a stopped state, don't bother + * with anything else. + */ + if (scn->scn_phys.scn_state != DSS_SCANNING) + return; + + if (complete) + scn->scn_phys.scn_state = DSS_FINISHED; + else + scn->scn_phys.scn_state = DSS_CANCELED; + + spa_history_log_internal(spa, "scan done", tx, + "complete=%u", complete); + + if (DSL_SCAN_IS_SCRUB_RESILVER(scn)) { + mutex_enter(&spa->spa_scrub_lock); + while (spa->spa_scrub_inflight > 0) { + cv_wait(&spa->spa_scrub_io_cv, + &spa->spa_scrub_lock); + } + mutex_exit(&spa->spa_scrub_lock); + spa->spa_scrub_started = B_FALSE; + spa->spa_scrub_active = B_FALSE; + + /* + * If the scrub/resilver completed, update all DTLs to + * reflect this. Whether it succeeded or not, vacate + * all temporary scrub DTLs. + */ + vdev_dtl_reassess(spa->spa_root_vdev, tx->tx_txg, + complete ? scn->scn_phys.scn_max_txg : 0, B_TRUE); + if (complete) { + spa_event_notify(spa, NULL, scn->scn_phys.scn_min_txg ? + FM_EREPORT_ZFS_RESILVER_FINISH : + FM_EREPORT_ZFS_SCRUB_FINISH); + } + spa_errlog_rotate(spa); + + /* + * We may have finished replacing a device. + * Let the async thread assess this and handle the detach. + */ + spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); + } + + scn->scn_phys.scn_end_time = gethrestime_sec(); + + if (spa->spa_errata == ZPOOL_ERRATA_ZOL_2094_SCRUB) + spa->spa_errata = 0; +} + +/* ARGSUSED */ +static int +dsl_scan_cancel_check(void *arg, dmu_tx_t *tx) +{ + dsl_scan_t *scn = dmu_tx_pool(tx)->dp_scan; + + if (scn->scn_phys.scn_state != DSS_SCANNING) + return (SET_ERROR(ENOENT)); + return (0); +} + +/* ARGSUSED */ +static void +dsl_scan_cancel_sync(void *arg, dmu_tx_t *tx) +{ + dsl_scan_t *scn = dmu_tx_pool(tx)->dp_scan; + + dsl_scan_done(scn, B_FALSE, tx); + dsl_scan_sync_state(scn, tx); +} + +int +dsl_scan_cancel(dsl_pool_t *dp) +{ + return (dsl_sync_task(spa_name(dp->dp_spa), dsl_scan_cancel_check, + dsl_scan_cancel_sync, NULL, 3, ZFS_SPACE_CHECK_RESERVED)); +} + +static void dsl_scan_visitbp(blkptr_t *bp, const zbookmark_phys_t *zb, + dnode_phys_t *dnp, dsl_dataset_t *ds, dsl_scan_t *scn, + dmu_objset_type_t ostype, dmu_tx_t *tx); +inline __attribute__((always_inline)) static void dsl_scan_visitdnode( + dsl_scan_t *, dsl_dataset_t *ds, dmu_objset_type_t ostype, + dnode_phys_t *dnp, uint64_t object, dmu_tx_t *tx); + +void +dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bp) +{ + zio_free(dp->dp_spa, txg, bp); +} + +void +dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp) +{ + ASSERT(dsl_pool_sync_context(dp)); + zio_nowait(zio_free_sync(pio, dp->dp_spa, txg, bpp, pio->io_flags)); +} + +static uint64_t +dsl_scan_ds_maxtxg(dsl_dataset_t *ds) +{ + uint64_t smt = ds->ds_dir->dd_pool->dp_scan->scn_phys.scn_max_txg; + if (ds->ds_is_snapshot) + return (MIN(smt, dsl_dataset_phys(ds)->ds_creation_txg)); + return (smt); +} + +static void +dsl_scan_sync_state(dsl_scan_t *scn, dmu_tx_t *tx) +{ + VERIFY0(zap_update(scn->scn_dp->dp_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_SCAN, sizeof (uint64_t), SCAN_PHYS_NUMINTS, + &scn->scn_phys, tx)); +} + +extern int zfs_vdev_async_write_active_min_dirty_percent; + +static boolean_t +dsl_scan_check_pause(dsl_scan_t *scn, const zbookmark_phys_t *zb) +{ + uint64_t elapsed_nanosecs; + int mintime; + int dirty_pct; + + /* we never skip user/group accounting objects */ + if (zb && (int64_t)zb->zb_object < 0) + return (B_FALSE); + + if (scn->scn_pausing) + return (B_TRUE); /* we're already pausing */ + + if (!ZB_IS_ZERO(&scn->scn_phys.scn_bookmark)) + return (B_FALSE); /* we're resuming */ + + /* We only know how to resume from level-0 blocks. */ + if (zb && zb->zb_level != 0) + return (B_FALSE); + + /* + * We pause if: + * - we have scanned for the maximum time: an entire txg + * timeout (default 5 sec) + * or + * - we have scanned for at least the minimum time (default 1 sec + * for scrub, 3 sec for resilver), and either we have sufficient + * dirty data that we are starting to write more quickly + * (default 30%), or someone is explicitly waiting for this txg + * to complete. + * or + * - the spa is shutting down because this pool is being exported + * or the machine is rebooting. + */ + mintime = (scn->scn_phys.scn_func == POOL_SCAN_RESILVER) ? + zfs_resilver_min_time_ms : zfs_scan_min_time_ms; + elapsed_nanosecs = gethrtime() - scn->scn_sync_start_time; + dirty_pct = scn->scn_dp->dp_dirty_total * 100 / zfs_dirty_data_max; + if (elapsed_nanosecs / NANOSEC >= zfs_txg_timeout || + (NSEC2MSEC(elapsed_nanosecs) > mintime && + (txg_sync_waiting(scn->scn_dp) || + dirty_pct >= zfs_vdev_async_write_active_min_dirty_percent)) || + spa_shutting_down(scn->scn_dp->dp_spa)) { + if (zb) { + dprintf("pausing at bookmark %llx/%llx/%llx/%llx\n", + (longlong_t)zb->zb_objset, + (longlong_t)zb->zb_object, + (longlong_t)zb->zb_level, + (longlong_t)zb->zb_blkid); + scn->scn_phys.scn_bookmark = *zb; + } + dprintf("pausing at DDT bookmark %llx/%llx/%llx/%llx\n", + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_class, + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_type, + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_checksum, + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_cursor); + scn->scn_pausing = B_TRUE; + return (B_TRUE); + } + return (B_FALSE); +} + +typedef struct zil_scan_arg { + dsl_pool_t *zsa_dp; + zil_header_t *zsa_zh; +} zil_scan_arg_t; + +/* ARGSUSED */ +static int +dsl_scan_zil_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) +{ + zil_scan_arg_t *zsa = arg; + dsl_pool_t *dp = zsa->zsa_dp; + dsl_scan_t *scn = dp->dp_scan; + zil_header_t *zh = zsa->zsa_zh; + zbookmark_phys_t zb; + + if (BP_IS_HOLE(bp) || bp->blk_birth <= scn->scn_phys.scn_cur_min_txg) + return (0); + + /* + * One block ("stubby") can be allocated a long time ago; we + * want to visit that one because it has been allocated + * (on-disk) even if it hasn't been claimed (even though for + * scrub there's nothing to do to it). + */ + if (claim_txg == 0 && bp->blk_birth >= spa_first_txg(dp->dp_spa)) + return (0); + + SET_BOOKMARK(&zb, zh->zh_log.blk_cksum.zc_word[ZIL_ZC_OBJSET], + ZB_ZIL_OBJECT, ZB_ZIL_LEVEL, bp->blk_cksum.zc_word[ZIL_ZC_SEQ]); + + VERIFY(0 == scan_funcs[scn->scn_phys.scn_func](dp, bp, &zb)); + return (0); +} + +/* ARGSUSED */ +static int +dsl_scan_zil_record(zilog_t *zilog, lr_t *lrc, void *arg, uint64_t claim_txg) +{ + if (lrc->lrc_txtype == TX_WRITE) { + zil_scan_arg_t *zsa = arg; + dsl_pool_t *dp = zsa->zsa_dp; + dsl_scan_t *scn = dp->dp_scan; + zil_header_t *zh = zsa->zsa_zh; + lr_write_t *lr = (lr_write_t *)lrc; + blkptr_t *bp = &lr->lr_blkptr; + zbookmark_phys_t zb; + + if (BP_IS_HOLE(bp) || + bp->blk_birth <= scn->scn_phys.scn_cur_min_txg) + return (0); + + /* + * birth can be < claim_txg if this record's txg is + * already txg sync'ed (but this log block contains + * other records that are not synced) + */ + if (claim_txg == 0 || bp->blk_birth < claim_txg) + return (0); + + SET_BOOKMARK(&zb, zh->zh_log.blk_cksum.zc_word[ZIL_ZC_OBJSET], + lr->lr_foid, ZB_ZIL_LEVEL, + lr->lr_offset / BP_GET_LSIZE(bp)); + + VERIFY(0 == scan_funcs[scn->scn_phys.scn_func](dp, bp, &zb)); + } + return (0); +} + +static void +dsl_scan_zil(dsl_pool_t *dp, zil_header_t *zh) +{ + uint64_t claim_txg = zh->zh_claim_txg; + zil_scan_arg_t zsa = { dp, zh }; + zilog_t *zilog; + + /* + * We only want to visit blocks that have been claimed but not yet + * replayed (or, in read-only mode, blocks that *would* be claimed). + */ + if (claim_txg == 0 && spa_writeable(dp->dp_spa)) + return; + + zilog = zil_alloc(dp->dp_meta_objset, zh); + + (void) zil_parse(zilog, dsl_scan_zil_block, dsl_scan_zil_record, &zsa, + claim_txg); + + zil_free(zilog); +} + +/* ARGSUSED */ +static void +dsl_scan_prefetch(dsl_scan_t *scn, arc_buf_t *buf, blkptr_t *bp, + uint64_t objset, uint64_t object, uint64_t blkid) +{ + zbookmark_phys_t czb; + arc_flags_t flags = ARC_FLAG_NOWAIT | ARC_FLAG_PREFETCH; + + if (zfs_no_scrub_prefetch) + return; + + if (BP_IS_HOLE(bp) || bp->blk_birth <= scn->scn_phys.scn_min_txg || + (BP_GET_LEVEL(bp) == 0 && BP_GET_TYPE(bp) != DMU_OT_DNODE)) + return; + + SET_BOOKMARK(&czb, objset, object, BP_GET_LEVEL(bp), blkid); + + (void) arc_read(scn->scn_zio_root, scn->scn_dp->dp_spa, bp, + NULL, NULL, ZIO_PRIORITY_ASYNC_READ, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SCAN_THREAD, &flags, &czb); +} + +static boolean_t +dsl_scan_check_resume(dsl_scan_t *scn, const dnode_phys_t *dnp, + const zbookmark_phys_t *zb) +{ + /* + * We never skip over user/group accounting objects (obj<0) + */ + if (!ZB_IS_ZERO(&scn->scn_phys.scn_bookmark) && + (int64_t)zb->zb_object >= 0) { + /* + * If we already visited this bp & everything below (in + * a prior txg sync), don't bother doing it again. + */ + if (zbookmark_is_before(dnp, zb, &scn->scn_phys.scn_bookmark)) + return (B_TRUE); + + /* + * If we found the block we're trying to resume from, or + * we went past it to a different object, zero it out to + * indicate that it's OK to start checking for pausing + * again. + */ + if (bcmp(zb, &scn->scn_phys.scn_bookmark, sizeof (*zb)) == 0 || + zb->zb_object > scn->scn_phys.scn_bookmark.zb_object) { + dprintf("resuming at %llx/%llx/%llx/%llx\n", + (longlong_t)zb->zb_objset, + (longlong_t)zb->zb_object, + (longlong_t)zb->zb_level, + (longlong_t)zb->zb_blkid); + bzero(&scn->scn_phys.scn_bookmark, sizeof (*zb)); + } + } + return (B_FALSE); +} + +/* + * Return nonzero on i/o error. + * Return new buf to write out in *bufp. + */ +inline __attribute__((always_inline)) static int +dsl_scan_recurse(dsl_scan_t *scn, dsl_dataset_t *ds, dmu_objset_type_t ostype, + dnode_phys_t *dnp, const blkptr_t *bp, + const zbookmark_phys_t *zb, dmu_tx_t *tx) +{ + dsl_pool_t *dp = scn->scn_dp; + int zio_flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCAN_THREAD; + int err; + + if (BP_GET_LEVEL(bp) > 0) { + arc_flags_t flags = ARC_FLAG_WAIT; + int i; + blkptr_t *cbp; + int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; + arc_buf_t *buf; + + err = arc_read(NULL, dp->dp_spa, bp, arc_getbuf_func, &buf, + ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, zb); + if (err) { + scn->scn_phys.scn_errors++; + return (err); + } + for (i = 0, cbp = buf->b_data; i < epb; i++, cbp++) { + dsl_scan_prefetch(scn, buf, cbp, zb->zb_objset, + zb->zb_object, zb->zb_blkid * epb + i); + } + for (i = 0, cbp = buf->b_data; i < epb; i++, cbp++) { + zbookmark_phys_t czb; + + SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, + zb->zb_level - 1, + zb->zb_blkid * epb + i); + dsl_scan_visitbp(cbp, &czb, dnp, + ds, scn, ostype, tx); + } + (void) arc_buf_remove_ref(buf, &buf); + } else if (BP_GET_TYPE(bp) == DMU_OT_DNODE) { + arc_flags_t flags = ARC_FLAG_WAIT; + dnode_phys_t *cdnp; + int i, j; + int epb = BP_GET_LSIZE(bp) >> DNODE_SHIFT; + arc_buf_t *buf; + + err = arc_read(NULL, dp->dp_spa, bp, arc_getbuf_func, &buf, + ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, zb); + if (err) { + scn->scn_phys.scn_errors++; + return (err); + } + for (i = 0, cdnp = buf->b_data; i < epb; i++, cdnp++) { + for (j = 0; j < cdnp->dn_nblkptr; j++) { + blkptr_t *cbp = &cdnp->dn_blkptr[j]; + dsl_scan_prefetch(scn, buf, cbp, + zb->zb_objset, zb->zb_blkid * epb + i, j); + } + } + for (i = 0, cdnp = buf->b_data; i < epb; i++, cdnp++) { + dsl_scan_visitdnode(scn, ds, ostype, + cdnp, zb->zb_blkid * epb + i, tx); + } + + (void) arc_buf_remove_ref(buf, &buf); + } else if (BP_GET_TYPE(bp) == DMU_OT_OBJSET) { + arc_flags_t flags = ARC_FLAG_WAIT; + objset_phys_t *osp; + arc_buf_t *buf; + + err = arc_read(NULL, dp->dp_spa, bp, arc_getbuf_func, &buf, + ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, zb); + if (err) { + scn->scn_phys.scn_errors++; + return (err); + } + + osp = buf->b_data; + + dsl_scan_visitdnode(scn, ds, osp->os_type, + &osp->os_meta_dnode, DMU_META_DNODE_OBJECT, tx); + + if (OBJSET_BUF_HAS_USERUSED(buf)) { + /* + * We also always visit user/group accounting + * objects, and never skip them, even if we are + * pausing. This is necessary so that the space + * deltas from this txg get integrated. + */ + dsl_scan_visitdnode(scn, ds, osp->os_type, + &osp->os_groupused_dnode, + DMU_GROUPUSED_OBJECT, tx); + dsl_scan_visitdnode(scn, ds, osp->os_type, + &osp->os_userused_dnode, + DMU_USERUSED_OBJECT, tx); + } + (void) arc_buf_remove_ref(buf, &buf); + } + + return (0); +} + +inline __attribute__((always_inline)) static void +dsl_scan_visitdnode(dsl_scan_t *scn, dsl_dataset_t *ds, + dmu_objset_type_t ostype, dnode_phys_t *dnp, + uint64_t object, dmu_tx_t *tx) +{ + int j; + + for (j = 0; j < dnp->dn_nblkptr; j++) { + zbookmark_phys_t czb; + + SET_BOOKMARK(&czb, ds ? ds->ds_object : 0, object, + dnp->dn_nlevels - 1, j); + dsl_scan_visitbp(&dnp->dn_blkptr[j], + &czb, dnp, ds, scn, ostype, tx); + } + + if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) { + zbookmark_phys_t czb; + SET_BOOKMARK(&czb, ds ? ds->ds_object : 0, object, + 0, DMU_SPILL_BLKID); + dsl_scan_visitbp(&dnp->dn_spill, + &czb, dnp, ds, scn, ostype, tx); + } +} + +/* + * The arguments are in this order because mdb can only print the + * first 5; we want them to be useful. + */ +static void +dsl_scan_visitbp(blkptr_t *bp, const zbookmark_phys_t *zb, + dnode_phys_t *dnp, dsl_dataset_t *ds, dsl_scan_t *scn, + dmu_objset_type_t ostype, dmu_tx_t *tx) +{ + dsl_pool_t *dp = scn->scn_dp; + blkptr_t *bp_toread; + + bp_toread = kmem_alloc(sizeof (blkptr_t), KM_SLEEP); + *bp_toread = *bp; + + /* ASSERT(pbuf == NULL || arc_released(pbuf)); */ + + if (dsl_scan_check_pause(scn, zb)) + goto out; + + if (dsl_scan_check_resume(scn, dnp, zb)) + goto out; + + if (BP_IS_HOLE(bp)) + goto out; + + scn->scn_visited_this_txg++; + + /* + * This debugging is commented out to conserve stack space. This + * function is called recursively and the debugging addes several + * bytes to the stack for each call. It can be commented back in + * if required to debug an issue in dsl_scan_visitbp(). + * + * dprintf_bp(bp, + * "visiting ds=%p/%llu zb=%llx/%llx/%llx/%llx bp=%p", + * ds, ds ? ds->ds_object : 0, + * zb->zb_objset, zb->zb_object, zb->zb_level, zb->zb_blkid, + * bp); + */ + + if (bp->blk_birth <= scn->scn_phys.scn_cur_min_txg) + goto out; + + if (dsl_scan_recurse(scn, ds, ostype, dnp, bp_toread, zb, tx) != 0) + goto out; + + /* + * If dsl_scan_ddt() has aready visited this block, it will have + * already done any translations or scrubbing, so don't call the + * callback again. + */ + if (ddt_class_contains(dp->dp_spa, + scn->scn_phys.scn_ddt_class_max, bp)) { + goto out; + } + + /* + * If this block is from the future (after cur_max_txg), then we + * are doing this on behalf of a deleted snapshot, and we will + * revisit the future block on the next pass of this dataset. + * Don't scan it now unless we need to because something + * under it was modified. + */ + if (BP_PHYSICAL_BIRTH(bp) <= scn->scn_phys.scn_cur_max_txg) { + scan_funcs[scn->scn_phys.scn_func](dp, bp, zb); + } +out: + kmem_free(bp_toread, sizeof (blkptr_t)); +} + +static void +dsl_scan_visit_rootbp(dsl_scan_t *scn, dsl_dataset_t *ds, blkptr_t *bp, + dmu_tx_t *tx) +{ + zbookmark_phys_t zb; + + SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET, + ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID); + dsl_scan_visitbp(bp, &zb, NULL, + ds, scn, DMU_OST_NONE, tx); + + dprintf_ds(ds, "finished scan%s", ""); +} + +void +dsl_scan_ds_destroyed(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + dsl_pool_t *dp = ds->ds_dir->dd_pool; + dsl_scan_t *scn = dp->dp_scan; + uint64_t mintxg; + + if (scn->scn_phys.scn_state != DSS_SCANNING) + return; + + if (scn->scn_phys.scn_bookmark.zb_objset == ds->ds_object) { + if (ds->ds_is_snapshot) { + /* Note, scn_cur_{min,max}_txg stays the same. */ + scn->scn_phys.scn_bookmark.zb_objset = + dsl_dataset_phys(ds)->ds_next_snap_obj; + zfs_dbgmsg("destroying ds %llu; currently traversing; " + "reset zb_objset to %llu", + (u_longlong_t)ds->ds_object, + (u_longlong_t)dsl_dataset_phys(ds)-> + ds_next_snap_obj); + scn->scn_phys.scn_flags |= DSF_VISIT_DS_AGAIN; + } else { + SET_BOOKMARK(&scn->scn_phys.scn_bookmark, + ZB_DESTROYED_OBJSET, 0, 0, 0); + zfs_dbgmsg("destroying ds %llu; currently traversing; " + "reset bookmark to -1,0,0,0", + (u_longlong_t)ds->ds_object); + } + } else if (zap_lookup_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds->ds_object, &mintxg) == 0) { + ASSERT3U(dsl_dataset_phys(ds)->ds_num_children, <=, 1); + VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds->ds_object, tx)); + if (ds->ds_is_snapshot) { + /* + * We keep the same mintxg; it could be > + * ds_creation_txg if the previous snapshot was + * deleted too. + */ + VERIFY(zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, + dsl_dataset_phys(ds)->ds_next_snap_obj, + mintxg, tx) == 0); + zfs_dbgmsg("destroying ds %llu; in queue; " + "replacing with %llu", + (u_longlong_t)ds->ds_object, + (u_longlong_t)dsl_dataset_phys(ds)-> + ds_next_snap_obj); + } else { + zfs_dbgmsg("destroying ds %llu; in queue; removing", + (u_longlong_t)ds->ds_object); + } + } else { + zfs_dbgmsg("destroying ds %llu; ignoring", + (u_longlong_t)ds->ds_object); + } + + /* + * dsl_scan_sync() should be called after this, and should sync + * out our changed state, but just to be safe, do it here. + */ + dsl_scan_sync_state(scn, tx); +} + +void +dsl_scan_ds_snapshotted(dsl_dataset_t *ds, dmu_tx_t *tx) +{ + dsl_pool_t *dp = ds->ds_dir->dd_pool; + dsl_scan_t *scn = dp->dp_scan; + uint64_t mintxg; + + if (scn->scn_phys.scn_state != DSS_SCANNING) + return; + + ASSERT(dsl_dataset_phys(ds)->ds_prev_snap_obj != 0); + + if (scn->scn_phys.scn_bookmark.zb_objset == ds->ds_object) { + scn->scn_phys.scn_bookmark.zb_objset = + dsl_dataset_phys(ds)->ds_prev_snap_obj; + zfs_dbgmsg("snapshotting ds %llu; currently traversing; " + "reset zb_objset to %llu", + (u_longlong_t)ds->ds_object, + (u_longlong_t)dsl_dataset_phys(ds)->ds_prev_snap_obj); + } else if (zap_lookup_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds->ds_object, &mintxg) == 0) { + VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds->ds_object, tx)); + VERIFY(zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, + dsl_dataset_phys(ds)->ds_prev_snap_obj, mintxg, tx) == 0); + zfs_dbgmsg("snapshotting ds %llu; in queue; " + "replacing with %llu", + (u_longlong_t)ds->ds_object, + (u_longlong_t)dsl_dataset_phys(ds)->ds_prev_snap_obj); + } + dsl_scan_sync_state(scn, tx); +} + +void +dsl_scan_ds_clone_swapped(dsl_dataset_t *ds1, dsl_dataset_t *ds2, dmu_tx_t *tx) +{ + dsl_pool_t *dp = ds1->ds_dir->dd_pool; + dsl_scan_t *scn = dp->dp_scan; + uint64_t mintxg; + + if (scn->scn_phys.scn_state != DSS_SCANNING) + return; + + if (scn->scn_phys.scn_bookmark.zb_objset == ds1->ds_object) { + scn->scn_phys.scn_bookmark.zb_objset = ds2->ds_object; + zfs_dbgmsg("clone_swap ds %llu; currently traversing; " + "reset zb_objset to %llu", + (u_longlong_t)ds1->ds_object, + (u_longlong_t)ds2->ds_object); + } else if (scn->scn_phys.scn_bookmark.zb_objset == ds2->ds_object) { + scn->scn_phys.scn_bookmark.zb_objset = ds1->ds_object; + zfs_dbgmsg("clone_swap ds %llu; currently traversing; " + "reset zb_objset to %llu", + (u_longlong_t)ds2->ds_object, + (u_longlong_t)ds1->ds_object); + } + + if (zap_lookup_int_key(dp->dp_meta_objset, scn->scn_phys.scn_queue_obj, + ds1->ds_object, &mintxg) == 0) { + int err; + + ASSERT3U(mintxg, ==, dsl_dataset_phys(ds1)->ds_prev_snap_txg); + ASSERT3U(mintxg, ==, dsl_dataset_phys(ds2)->ds_prev_snap_txg); + VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds1->ds_object, tx)); + err = zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds2->ds_object, mintxg, tx); + VERIFY(err == 0 || err == EEXIST); + if (err == EEXIST) { + /* Both were there to begin with */ + VERIFY(0 == zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, + ds1->ds_object, mintxg, tx)); + } + zfs_dbgmsg("clone_swap ds %llu; in queue; " + "replacing with %llu", + (u_longlong_t)ds1->ds_object, + (u_longlong_t)ds2->ds_object); + } else if (zap_lookup_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds2->ds_object, &mintxg) == 0) { + ASSERT3U(mintxg, ==, dsl_dataset_phys(ds1)->ds_prev_snap_txg); + ASSERT3U(mintxg, ==, dsl_dataset_phys(ds2)->ds_prev_snap_txg); + VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds2->ds_object, tx)); + VERIFY(0 == zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds1->ds_object, mintxg, tx)); + zfs_dbgmsg("clone_swap ds %llu; in queue; " + "replacing with %llu", + (u_longlong_t)ds2->ds_object, + (u_longlong_t)ds1->ds_object); + } + + dsl_scan_sync_state(scn, tx); +} + +struct enqueue_clones_arg { + dmu_tx_t *tx; + uint64_t originobj; +}; + +/* ARGSUSED */ +static int +enqueue_clones_cb(dsl_pool_t *dp, dsl_dataset_t *hds, void *arg) +{ + struct enqueue_clones_arg *eca = arg; + dsl_dataset_t *ds; + int err; + dsl_scan_t *scn = dp->dp_scan; + + if (dsl_dir_phys(hds->ds_dir)->dd_origin_obj != eca->originobj) + return (0); + + err = dsl_dataset_hold_obj(dp, hds->ds_object, FTAG, &ds); + if (err) + return (err); + + while (dsl_dataset_phys(ds)->ds_prev_snap_obj != eca->originobj) { + dsl_dataset_t *prev; + err = dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, FTAG, &prev); + + dsl_dataset_rele(ds, FTAG); + if (err) + return (err); + ds = prev; + } + VERIFY(zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds->ds_object, + dsl_dataset_phys(ds)->ds_prev_snap_txg, eca->tx) == 0); + dsl_dataset_rele(ds, FTAG); + return (0); +} + +static void +dsl_scan_visitds(dsl_scan_t *scn, uint64_t dsobj, dmu_tx_t *tx) +{ + dsl_pool_t *dp = scn->scn_dp; + dsl_dataset_t *ds; + objset_t *os; + char *dsname; + + VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds)); + + if (dmu_objset_from_ds(ds, &os)) + goto out; + + /* + * Only the ZIL in the head (non-snapshot) is valid. Even though + * snapshots can have ZIL block pointers (which may be the same + * BP as in the head), they must be ignored. So we traverse the + * ZIL here, rather than in scan_recurse(), because the regular + * snapshot block-sharing rules don't apply to it. + */ + if (DSL_SCAN_IS_SCRUB_RESILVER(scn) && !ds->ds_is_snapshot) + dsl_scan_zil(dp, &os->os_zil_header); + + /* + * Iterate over the bps in this ds. + */ + dmu_buf_will_dirty(ds->ds_dbuf, tx); + dsl_scan_visit_rootbp(scn, ds, &dsl_dataset_phys(ds)->ds_bp, tx); + + dsname = kmem_alloc(ZFS_MAXNAMELEN, KM_SLEEP); + dsl_dataset_name(ds, dsname); + zfs_dbgmsg("scanned dataset %llu (%s) with min=%llu max=%llu; " + "pausing=%u", + (longlong_t)dsobj, dsname, + (longlong_t)scn->scn_phys.scn_cur_min_txg, + (longlong_t)scn->scn_phys.scn_cur_max_txg, + (int)scn->scn_pausing); + kmem_free(dsname, ZFS_MAXNAMELEN); + + if (scn->scn_pausing) + goto out; + + /* + * We've finished this pass over this dataset. + */ + + /* + * If we did not completely visit this dataset, do another pass. + */ + if (scn->scn_phys.scn_flags & DSF_VISIT_DS_AGAIN) { + zfs_dbgmsg("incomplete pass; visiting again"); + scn->scn_phys.scn_flags &= ~DSF_VISIT_DS_AGAIN; + VERIFY(zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, ds->ds_object, + scn->scn_phys.scn_cur_max_txg, tx) == 0); + goto out; + } + + /* + * Add descendent datasets to work queue. + */ + if (dsl_dataset_phys(ds)->ds_next_snap_obj != 0) { + VERIFY(zap_add_int_key(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, + dsl_dataset_phys(ds)->ds_next_snap_obj, + dsl_dataset_phys(ds)->ds_creation_txg, tx) == 0); + } + if (dsl_dataset_phys(ds)->ds_num_children > 1) { + boolean_t usenext = B_FALSE; + if (dsl_dataset_phys(ds)->ds_next_clones_obj != 0) { + uint64_t count; + /* + * A bug in a previous version of the code could + * cause upgrade_clones_cb() to not set + * ds_next_snap_obj when it should, leading to a + * missing entry. Therefore we can only use the + * next_clones_obj when its count is correct. + */ + int err = zap_count(dp->dp_meta_objset, + dsl_dataset_phys(ds)->ds_next_clones_obj, &count); + if (err == 0 && + count == dsl_dataset_phys(ds)->ds_num_children - 1) + usenext = B_TRUE; + } + + if (usenext) { + VERIFY0(zap_join_key(dp->dp_meta_objset, + dsl_dataset_phys(ds)->ds_next_clones_obj, + scn->scn_phys.scn_queue_obj, + dsl_dataset_phys(ds)->ds_creation_txg, tx)); + } else { + struct enqueue_clones_arg eca; + eca.tx = tx; + eca.originobj = ds->ds_object; + + VERIFY0(dmu_objset_find_dp(dp, dp->dp_root_dir_obj, + enqueue_clones_cb, &eca, DS_FIND_CHILDREN)); + } + } + +out: + dsl_dataset_rele(ds, FTAG); +} + +/* ARGSUSED */ +static int +enqueue_cb(dsl_pool_t *dp, dsl_dataset_t *hds, void *arg) +{ + dmu_tx_t *tx = arg; + dsl_dataset_t *ds; + int err; + dsl_scan_t *scn = dp->dp_scan; + + err = dsl_dataset_hold_obj(dp, hds->ds_object, FTAG, &ds); + if (err) + return (err); + + while (dsl_dataset_phys(ds)->ds_prev_snap_obj != 0) { + dsl_dataset_t *prev; + err = dsl_dataset_hold_obj(dp, + dsl_dataset_phys(ds)->ds_prev_snap_obj, FTAG, &prev); + if (err) { + dsl_dataset_rele(ds, FTAG); + return (err); + } + + /* + * If this is a clone, we don't need to worry about it for now. + */ + if (dsl_dataset_phys(prev)->ds_next_snap_obj != ds->ds_object) { + dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele(prev, FTAG); + return (0); + } + dsl_dataset_rele(ds, FTAG); + ds = prev; + } + + VERIFY(zap_add_int_key(dp->dp_meta_objset, scn->scn_phys.scn_queue_obj, + ds->ds_object, dsl_dataset_phys(ds)->ds_prev_snap_txg, tx) == 0); + dsl_dataset_rele(ds, FTAG); + return (0); +} + +/* + * Scrub/dedup interaction. + * + * If there are N references to a deduped block, we don't want to scrub it + * N times -- ideally, we should scrub it exactly once. + * + * We leverage the fact that the dde's replication class (enum ddt_class) + * is ordered from highest replication class (DDT_CLASS_DITTO) to lowest + * (DDT_CLASS_UNIQUE) so that we may walk the DDT in that order. + * + * To prevent excess scrubbing, the scrub begins by walking the DDT + * to find all blocks with refcnt > 1, and scrubs each of these once. + * Since there are two replication classes which contain blocks with + * refcnt > 1, we scrub the highest replication class (DDT_CLASS_DITTO) first. + * Finally the top-down scrub begins, only visiting blocks with refcnt == 1. + * + * There would be nothing more to say if a block's refcnt couldn't change + * during a scrub, but of course it can so we must account for changes + * in a block's replication class. + * + * Here's an example of what can occur: + * + * If a block has refcnt > 1 during the DDT scrub phase, but has refcnt == 1 + * when visited during the top-down scrub phase, it will be scrubbed twice. + * This negates our scrub optimization, but is otherwise harmless. + * + * If a block has refcnt == 1 during the DDT scrub phase, but has refcnt > 1 + * on each visit during the top-down scrub phase, it will never be scrubbed. + * To catch this, ddt_sync_entry() notifies the scrub code whenever a block's + * reference class transitions to a higher level (i.e DDT_CLASS_UNIQUE to + * DDT_CLASS_DUPLICATE); if it transitions from refcnt == 1 to refcnt > 1 + * while a scrub is in progress, it scrubs the block right then. + */ +static void +dsl_scan_ddt(dsl_scan_t *scn, dmu_tx_t *tx) +{ + ddt_bookmark_t *ddb = &scn->scn_phys.scn_ddt_bookmark; + ddt_entry_t dde; + int error; + uint64_t n = 0; + + bzero(&dde, sizeof (ddt_entry_t)); + + while ((error = ddt_walk(scn->scn_dp->dp_spa, ddb, &dde)) == 0) { + ddt_t *ddt; + + if (ddb->ddb_class > scn->scn_phys.scn_ddt_class_max) + break; + dprintf("visiting ddb=%llu/%llu/%llu/%llx\n", + (longlong_t)ddb->ddb_class, + (longlong_t)ddb->ddb_type, + (longlong_t)ddb->ddb_checksum, + (longlong_t)ddb->ddb_cursor); + + /* There should be no pending changes to the dedup table */ + ddt = scn->scn_dp->dp_spa->spa_ddt[ddb->ddb_checksum]; + ASSERT(avl_first(&ddt->ddt_tree) == NULL); + + dsl_scan_ddt_entry(scn, ddb->ddb_checksum, &dde, tx); + n++; + + if (dsl_scan_check_pause(scn, NULL)) + break; + } + + zfs_dbgmsg("scanned %llu ddt entries with class_max = %u; pausing=%u", + (longlong_t)n, (int)scn->scn_phys.scn_ddt_class_max, + (int)scn->scn_pausing); + + ASSERT(error == 0 || error == ENOENT); + ASSERT(error != ENOENT || + ddb->ddb_class > scn->scn_phys.scn_ddt_class_max); +} + +/* ARGSUSED */ +void +dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum, + ddt_entry_t *dde, dmu_tx_t *tx) +{ + const ddt_key_t *ddk = &dde->dde_key; + ddt_phys_t *ddp = dde->dde_phys; + blkptr_t bp; + zbookmark_phys_t zb = { 0 }; + int p; + + if (scn->scn_phys.scn_state != DSS_SCANNING) + return; + + for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { + if (ddp->ddp_phys_birth == 0 || + ddp->ddp_phys_birth > scn->scn_phys.scn_max_txg) + continue; + ddt_bp_create(checksum, ddk, ddp, &bp); + + scn->scn_visited_this_txg++; + scan_funcs[scn->scn_phys.scn_func](scn->scn_dp, &bp, &zb); + } +} + +static void +dsl_scan_visit(dsl_scan_t *scn, dmu_tx_t *tx) +{ + dsl_pool_t *dp = scn->scn_dp; + zap_cursor_t *zc; + zap_attribute_t *za; + + if (scn->scn_phys.scn_ddt_bookmark.ddb_class <= + scn->scn_phys.scn_ddt_class_max) { + scn->scn_phys.scn_cur_min_txg = scn->scn_phys.scn_min_txg; + scn->scn_phys.scn_cur_max_txg = scn->scn_phys.scn_max_txg; + dsl_scan_ddt(scn, tx); + if (scn->scn_pausing) + return; + } + + if (scn->scn_phys.scn_bookmark.zb_objset == DMU_META_OBJSET) { + /* First do the MOS & ORIGIN */ + + scn->scn_phys.scn_cur_min_txg = scn->scn_phys.scn_min_txg; + scn->scn_phys.scn_cur_max_txg = scn->scn_phys.scn_max_txg; + dsl_scan_visit_rootbp(scn, NULL, + &dp->dp_meta_rootbp, tx); + spa_set_rootblkptr(dp->dp_spa, &dp->dp_meta_rootbp); + if (scn->scn_pausing) + return; + + if (spa_version(dp->dp_spa) < SPA_VERSION_DSL_SCRUB) { + VERIFY0(dmu_objset_find_dp(dp, dp->dp_root_dir_obj, + enqueue_cb, tx, DS_FIND_CHILDREN)); + } else { + dsl_scan_visitds(scn, + dp->dp_origin_snap->ds_object, tx); + } + ASSERT(!scn->scn_pausing); + } else if (scn->scn_phys.scn_bookmark.zb_objset != + ZB_DESTROYED_OBJSET) { + /* + * If we were paused, continue from here. Note if the + * ds we were paused on was deleted, the zb_objset may + * be -1, so we will skip this and find a new objset + * below. + */ + dsl_scan_visitds(scn, scn->scn_phys.scn_bookmark.zb_objset, tx); + if (scn->scn_pausing) + return; + } + + /* + * In case we were paused right at the end of the ds, zero the + * bookmark so we don't think that we're still trying to resume. + */ + bzero(&scn->scn_phys.scn_bookmark, sizeof (zbookmark_phys_t)); + zc = kmem_alloc(sizeof (zap_cursor_t), KM_SLEEP); + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + + /* keep pulling things out of the zap-object-as-queue */ + while (zap_cursor_init(zc, dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj), + zap_cursor_retrieve(zc, za) == 0) { + dsl_dataset_t *ds; + uint64_t dsobj; + + dsobj = strtonum(za->za_name, NULL); + VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset, + scn->scn_phys.scn_queue_obj, dsobj, tx)); + + /* Set up min/max txg */ + VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds)); + if (za->za_first_integer != 0) { + scn->scn_phys.scn_cur_min_txg = + MAX(scn->scn_phys.scn_min_txg, + za->za_first_integer); + } else { + scn->scn_phys.scn_cur_min_txg = + MAX(scn->scn_phys.scn_min_txg, + dsl_dataset_phys(ds)->ds_prev_snap_txg); + } + scn->scn_phys.scn_cur_max_txg = dsl_scan_ds_maxtxg(ds); + dsl_dataset_rele(ds, FTAG); + + dsl_scan_visitds(scn, dsobj, tx); + zap_cursor_fini(zc); + if (scn->scn_pausing) + goto out; + } + zap_cursor_fini(zc); +out: + kmem_free(za, sizeof (zap_attribute_t)); + kmem_free(zc, sizeof (zap_cursor_t)); +} + +static boolean_t +dsl_scan_free_should_pause(dsl_scan_t *scn) +{ + uint64_t elapsed_nanosecs; + + if (zfs_recover) + return (B_FALSE); + + if (scn->scn_visited_this_txg >= zfs_free_max_blocks) + return (B_TRUE); + + elapsed_nanosecs = gethrtime() - scn->scn_sync_start_time; + return (elapsed_nanosecs / NANOSEC > zfs_txg_timeout || + (NSEC2MSEC(elapsed_nanosecs) > zfs_free_min_time_ms && + txg_sync_waiting(scn->scn_dp)) || + spa_shutting_down(scn->scn_dp->dp_spa)); +} + +static int +dsl_scan_free_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) +{ + dsl_scan_t *scn = arg; + + if (!scn->scn_is_bptree || + (BP_GET_LEVEL(bp) == 0 && BP_GET_TYPE(bp) != DMU_OT_OBJSET)) { + if (dsl_scan_free_should_pause(scn)) + return (SET_ERROR(ERESTART)); + } + + zio_nowait(zio_free_sync(scn->scn_zio_root, scn->scn_dp->dp_spa, + dmu_tx_get_txg(tx), bp, 0)); + dsl_dir_diduse_space(tx->tx_pool->dp_free_dir, DD_USED_HEAD, + -bp_get_dsize_sync(scn->scn_dp->dp_spa, bp), + -BP_GET_PSIZE(bp), -BP_GET_UCSIZE(bp), tx); + scn->scn_visited_this_txg++; + return (0); +} + +boolean_t +dsl_scan_active(dsl_scan_t *scn) +{ + spa_t *spa = scn->scn_dp->dp_spa; + uint64_t used = 0, comp, uncomp; + + if (spa->spa_load_state != SPA_LOAD_NONE) + return (B_FALSE); + if (spa_shutting_down(spa)) + return (B_FALSE); + if (scn->scn_phys.scn_state == DSS_SCANNING || + (scn->scn_async_destroying && !scn->scn_async_stalled)) + return (B_TRUE); + + if (spa_version(scn->scn_dp->dp_spa) >= SPA_VERSION_DEADLISTS) { + (void) bpobj_space(&scn->scn_dp->dp_free_bpobj, + &used, &comp, &uncomp); + } + return (used != 0); +} + +void +dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *tx) +{ + dsl_scan_t *scn = dp->dp_scan; + spa_t *spa = dp->dp_spa; + int err = 0; + + /* + * Check for scn_restart_txg before checking spa_load_state, so + * that we can restart an old-style scan while the pool is being + * imported (see dsl_scan_init). + */ + if (scn->scn_restart_txg != 0 && + scn->scn_restart_txg <= tx->tx_txg) { + pool_scan_func_t func = POOL_SCAN_SCRUB; + dsl_scan_done(scn, B_FALSE, tx); + if (vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL)) + func = POOL_SCAN_RESILVER; + zfs_dbgmsg("restarting scan func=%u txg=%llu", + func, tx->tx_txg); + dsl_scan_setup_sync(&func, tx); + } + + /* + * If the scan is inactive due to a stalled async destroy, try again. + */ + if ((!scn->scn_async_stalled && !dsl_scan_active(scn)) || + spa_sync_pass(dp->dp_spa) > 1) + return; + + scn->scn_visited_this_txg = 0; + scn->scn_pausing = B_FALSE; + scn->scn_sync_start_time = gethrtime(); + spa->spa_scrub_active = B_TRUE; + + /* + * First process the async destroys. If we pause, don't do + * any scrubbing or resilvering. This ensures that there are no + * async destroys while we are scanning, so the scan code doesn't + * have to worry about traversing it. It is also faster to free the + * blocks than to scrub them. + */ + if (spa_version(dp->dp_spa) >= SPA_VERSION_DEADLISTS) { + scn->scn_is_bptree = B_FALSE; + scn->scn_zio_root = zio_root(dp->dp_spa, NULL, + NULL, ZIO_FLAG_MUSTSUCCEED); + err = bpobj_iterate(&dp->dp_free_bpobj, + dsl_scan_free_block_cb, scn, tx); + VERIFY3U(0, ==, zio_wait(scn->scn_zio_root)); + + if (err != 0 && err != ERESTART) + zfs_panic_recover("error %u from bpobj_iterate()", err); + } + + if (err == 0 && spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) { + ASSERT(scn->scn_async_destroying); + scn->scn_is_bptree = B_TRUE; + scn->scn_zio_root = zio_root(dp->dp_spa, NULL, + NULL, ZIO_FLAG_MUSTSUCCEED); + err = bptree_iterate(dp->dp_meta_objset, + dp->dp_bptree_obj, B_TRUE, dsl_scan_free_block_cb, scn, tx); + VERIFY0(zio_wait(scn->scn_zio_root)); + + if (err == EIO || err == ECKSUM) { + err = 0; + } else if (err != 0 && err != ERESTART) { + zfs_panic_recover("error %u from " + "traverse_dataset_destroyed()", err); + } + + if (bptree_is_empty(dp->dp_meta_objset, dp->dp_bptree_obj)) { + /* finished; deactivate async destroy feature */ + spa_feature_decr(spa, SPA_FEATURE_ASYNC_DESTROY, tx); + ASSERT(!spa_feature_is_active(spa, + SPA_FEATURE_ASYNC_DESTROY)); + VERIFY0(zap_remove(dp->dp_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_BPTREE_OBJ, tx)); + VERIFY0(bptree_free(dp->dp_meta_objset, + dp->dp_bptree_obj, tx)); + dp->dp_bptree_obj = 0; + scn->scn_async_destroying = B_FALSE; + scn->scn_async_stalled = B_FALSE; + } else { + /* + * If we didn't make progress, mark the async + * destroy as stalled, so that we will not initiate + * a spa_sync() on its behalf. Note that we only + * check this if we are not finished, because if the + * bptree had no blocks for us to visit, we can + * finish without "making progress". + */ + scn->scn_async_stalled = + (scn->scn_visited_this_txg == 0); + } + } + if (scn->scn_visited_this_txg) { + zfs_dbgmsg("freed %llu blocks in %llums from " + "free_bpobj/bptree txg %llu; err=%u", + (longlong_t)scn->scn_visited_this_txg, + (longlong_t) + NSEC2MSEC(gethrtime() - scn->scn_sync_start_time), + (longlong_t)tx->tx_txg, err); + scn->scn_visited_this_txg = 0; + + /* + * Write out changes to the DDT that may be required as a + * result of the blocks freed. This ensures that the DDT + * is clean when a scrub/resilver runs. + */ + ddt_sync(spa, tx->tx_txg); + } + if (err != 0) + return; + if (!scn->scn_async_destroying && zfs_free_leak_on_eio && + (dsl_dir_phys(dp->dp_free_dir)->dd_used_bytes != 0 || + dsl_dir_phys(dp->dp_free_dir)->dd_compressed_bytes != 0 || + dsl_dir_phys(dp->dp_free_dir)->dd_uncompressed_bytes != 0)) { + /* + * We have finished background destroying, but there is still + * some space left in the dp_free_dir. Transfer this leaked + * space to the dp_leak_dir. + */ + if (dp->dp_leak_dir == NULL) { + rrw_enter(&dp->dp_config_rwlock, RW_WRITER, FTAG); + (void) dsl_dir_create_sync(dp, dp->dp_root_dir, + LEAK_DIR_NAME, tx); + VERIFY0(dsl_pool_open_special_dir(dp, + LEAK_DIR_NAME, &dp->dp_leak_dir)); + rrw_exit(&dp->dp_config_rwlock, FTAG); + } + dsl_dir_diduse_space(dp->dp_leak_dir, DD_USED_HEAD, + dsl_dir_phys(dp->dp_free_dir)->dd_used_bytes, + dsl_dir_phys(dp->dp_free_dir)->dd_compressed_bytes, + dsl_dir_phys(dp->dp_free_dir)->dd_uncompressed_bytes, tx); + dsl_dir_diduse_space(dp->dp_free_dir, DD_USED_HEAD, + -dsl_dir_phys(dp->dp_free_dir)->dd_used_bytes, + -dsl_dir_phys(dp->dp_free_dir)->dd_compressed_bytes, + -dsl_dir_phys(dp->dp_free_dir)->dd_uncompressed_bytes, tx); + } + if (!scn->scn_async_destroying) { + /* finished; verify that space accounting went to zero */ + ASSERT0(dsl_dir_phys(dp->dp_free_dir)->dd_used_bytes); + ASSERT0(dsl_dir_phys(dp->dp_free_dir)->dd_compressed_bytes); + ASSERT0(dsl_dir_phys(dp->dp_free_dir)->dd_uncompressed_bytes); + } + + if (scn->scn_phys.scn_state != DSS_SCANNING) + return; + + if (scn->scn_done_txg == tx->tx_txg) { + ASSERT(!scn->scn_pausing); + /* finished with scan. */ + zfs_dbgmsg("txg %llu scan complete", tx->tx_txg); + dsl_scan_done(scn, B_TRUE, tx); + ASSERT3U(spa->spa_scrub_inflight, ==, 0); + dsl_scan_sync_state(scn, tx); + return; + } + + if (scn->scn_phys.scn_ddt_bookmark.ddb_class <= + scn->scn_phys.scn_ddt_class_max) { + zfs_dbgmsg("doing scan sync txg %llu; " + "ddt bm=%llu/%llu/%llu/%llx", + (longlong_t)tx->tx_txg, + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_class, + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_type, + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_checksum, + (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_cursor); + ASSERT(scn->scn_phys.scn_bookmark.zb_objset == 0); + ASSERT(scn->scn_phys.scn_bookmark.zb_object == 0); + ASSERT(scn->scn_phys.scn_bookmark.zb_level == 0); + ASSERT(scn->scn_phys.scn_bookmark.zb_blkid == 0); + } else { + zfs_dbgmsg("doing scan sync txg %llu; bm=%llu/%llu/%llu/%llu", + (longlong_t)tx->tx_txg, + (longlong_t)scn->scn_phys.scn_bookmark.zb_objset, + (longlong_t)scn->scn_phys.scn_bookmark.zb_object, + (longlong_t)scn->scn_phys.scn_bookmark.zb_level, + (longlong_t)scn->scn_phys.scn_bookmark.zb_blkid); + } + + scn->scn_zio_root = zio_root(dp->dp_spa, NULL, + NULL, ZIO_FLAG_CANFAIL); + dsl_pool_config_enter(dp, FTAG); + dsl_scan_visit(scn, tx); + dsl_pool_config_exit(dp, FTAG); + (void) zio_wait(scn->scn_zio_root); + scn->scn_zio_root = NULL; + + zfs_dbgmsg("visited %llu blocks in %llums", + (longlong_t)scn->scn_visited_this_txg, + (longlong_t)NSEC2MSEC(gethrtime() - scn->scn_sync_start_time)); + + if (!scn->scn_pausing) { + scn->scn_done_txg = tx->tx_txg + 1; + zfs_dbgmsg("txg %llu traversal complete, waiting till txg %llu", + tx->tx_txg, scn->scn_done_txg); + } + + if (DSL_SCAN_IS_SCRUB_RESILVER(scn)) { + mutex_enter(&spa->spa_scrub_lock); + while (spa->spa_scrub_inflight > 0) { + cv_wait(&spa->spa_scrub_io_cv, + &spa->spa_scrub_lock); + } + mutex_exit(&spa->spa_scrub_lock); + } + + dsl_scan_sync_state(scn, tx); +} + +/* + * This will start a new scan, or restart an existing one. + */ +void +dsl_resilver_restart(dsl_pool_t *dp, uint64_t txg) +{ + if (txg == 0) { + dmu_tx_t *tx; + tx = dmu_tx_create_dd(dp->dp_mos_dir); + VERIFY(0 == dmu_tx_assign(tx, TXG_WAIT)); + + txg = dmu_tx_get_txg(tx); + dp->dp_scan->scn_restart_txg = txg; + dmu_tx_commit(tx); + } else { + dp->dp_scan->scn_restart_txg = txg; + } + zfs_dbgmsg("restarting resilver txg=%llu", txg); +} + +boolean_t +dsl_scan_resilvering(dsl_pool_t *dp) +{ + return (dp->dp_scan->scn_phys.scn_state == DSS_SCANNING && + dp->dp_scan->scn_phys.scn_func == POOL_SCAN_RESILVER); +} + +/* + * scrub consumers + */ + +static void +count_block(zfs_all_blkstats_t *zab, const blkptr_t *bp) +{ + int i; + + /* + * If we resume after a reboot, zab will be NULL; don't record + * incomplete stats in that case. + */ + if (zab == NULL) + return; + + for (i = 0; i < 4; i++) { + int l = (i < 2) ? BP_GET_LEVEL(bp) : DN_MAX_LEVELS; + int t = (i & 1) ? BP_GET_TYPE(bp) : DMU_OT_TOTAL; + int equal; + zfs_blkstat_t *zb; + + if (t & DMU_OT_NEWTYPE) + t = DMU_OT_OTHER; + + zb = &zab->zab_type[l][t]; + zb->zb_count++; + zb->zb_asize += BP_GET_ASIZE(bp); + zb->zb_lsize += BP_GET_LSIZE(bp); + zb->zb_psize += BP_GET_PSIZE(bp); + zb->zb_gangs += BP_COUNT_GANG(bp); + + switch (BP_GET_NDVAS(bp)) { + case 2: + if (DVA_GET_VDEV(&bp->blk_dva[0]) == + DVA_GET_VDEV(&bp->blk_dva[1])) + zb->zb_ditto_2_of_2_samevdev++; + break; + case 3: + equal = (DVA_GET_VDEV(&bp->blk_dva[0]) == + DVA_GET_VDEV(&bp->blk_dva[1])) + + (DVA_GET_VDEV(&bp->blk_dva[0]) == + DVA_GET_VDEV(&bp->blk_dva[2])) + + (DVA_GET_VDEV(&bp->blk_dva[1]) == + DVA_GET_VDEV(&bp->blk_dva[2])); + if (equal == 1) + zb->zb_ditto_2_of_3_samevdev++; + else if (equal == 3) + zb->zb_ditto_3_of_3_samevdev++; + break; + } + } +} + +static void +dsl_scan_scrub_done(zio_t *zio) +{ + spa_t *spa = zio->io_spa; + + zio_data_buf_free(zio->io_data, zio->io_size); + + mutex_enter(&spa->spa_scrub_lock); + spa->spa_scrub_inflight--; + cv_broadcast(&spa->spa_scrub_io_cv); + + if (zio->io_error && (zio->io_error != ECKSUM || + !(zio->io_flags & ZIO_FLAG_SPECULATIVE))) { + spa->spa_dsl_pool->dp_scan->scn_phys.scn_errors++; + } + mutex_exit(&spa->spa_scrub_lock); +} + +static int +dsl_scan_scrub_cb(dsl_pool_t *dp, + const blkptr_t *bp, const zbookmark_phys_t *zb) +{ + dsl_scan_t *scn = dp->dp_scan; + size_t size = BP_GET_PSIZE(bp); + spa_t *spa = dp->dp_spa; + uint64_t phys_birth = BP_PHYSICAL_BIRTH(bp); + boolean_t needs_io = B_FALSE; + int zio_flags = ZIO_FLAG_SCAN_THREAD | ZIO_FLAG_RAW | ZIO_FLAG_CANFAIL; + int scan_delay = 0; + int d; + + if (phys_birth <= scn->scn_phys.scn_min_txg || + phys_birth >= scn->scn_phys.scn_max_txg) + return (0); + + count_block(dp->dp_blkstats, bp); + + if (BP_IS_EMBEDDED(bp)) + return (0); + + ASSERT(DSL_SCAN_IS_SCRUB_RESILVER(scn)); + if (scn->scn_phys.scn_func == POOL_SCAN_SCRUB) { + zio_flags |= ZIO_FLAG_SCRUB; + needs_io = B_TRUE; + scan_delay = zfs_scrub_delay; + } else { + ASSERT3U(scn->scn_phys.scn_func, ==, POOL_SCAN_RESILVER); + zio_flags |= ZIO_FLAG_RESILVER; + needs_io = B_FALSE; + scan_delay = zfs_resilver_delay; + } + + /* If it's an intent log block, failure is expected. */ + if (zb->zb_level == ZB_ZIL_LEVEL) + zio_flags |= ZIO_FLAG_SPECULATIVE; + + for (d = 0; d < BP_GET_NDVAS(bp); d++) { + vdev_t *vd = vdev_lookup_top(spa, + DVA_GET_VDEV(&bp->blk_dva[d])); + + /* + * Keep track of how much data we've examined so that + * zpool(1M) status can make useful progress reports. + */ + scn->scn_phys.scn_examined += DVA_GET_ASIZE(&bp->blk_dva[d]); + spa->spa_scan_pass_exam += DVA_GET_ASIZE(&bp->blk_dva[d]); + + /* if it's a resilver, this may not be in the target range */ + if (!needs_io) { + if (DVA_GET_GANG(&bp->blk_dva[d])) { + /* + * Gang members may be spread across multiple + * vdevs, so the best estimate we have is the + * scrub range, which has already been checked. + * XXX -- it would be better to change our + * allocation policy to ensure that all + * gang members reside on the same vdev. + */ + needs_io = B_TRUE; + } else { + needs_io = vdev_dtl_contains(vd, DTL_PARTIAL, + phys_birth, 1); + } + } + } + + if (needs_io && !zfs_no_scrub_io) { + vdev_t *rvd = spa->spa_root_vdev; + uint64_t maxinflight = rvd->vdev_children * zfs_top_maxinflight; + void *data = zio_data_buf_alloc(size); + + mutex_enter(&spa->spa_scrub_lock); + while (spa->spa_scrub_inflight >= maxinflight) + cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); + spa->spa_scrub_inflight++; + mutex_exit(&spa->spa_scrub_lock); + + /* + * If we're seeing recent (zfs_scan_idle) "important" I/Os + * then throttle our workload to limit the impact of a scan. + */ + if (ddi_get_lbolt64() - spa->spa_last_io <= zfs_scan_idle) + delay(scan_delay); + + zio_nowait(zio_read(NULL, spa, bp, data, size, + dsl_scan_scrub_done, NULL, ZIO_PRIORITY_SCRUB, + zio_flags, zb)); + } + + /* do not relocate this block */ + return (0); +} + +int +dsl_scan(dsl_pool_t *dp, pool_scan_func_t func) +{ + spa_t *spa = dp->dp_spa; + + /* + * Purge all vdev caches and probe all devices. We do this here + * rather than in sync context because this requires a writer lock + * on the spa_config lock, which we can't do from sync context. The + * spa_scrub_reopen flag indicates that vdev_open() should not + * attempt to start another scrub. + */ + spa_vdev_state_enter(spa, SCL_NONE); + spa->spa_scrub_reopen = B_TRUE; + vdev_reopen(spa->spa_root_vdev); + spa->spa_scrub_reopen = B_FALSE; + (void) spa_vdev_state_exit(spa, NULL, 0); + + return (dsl_sync_task(spa_name(spa), dsl_scan_setup_check, + dsl_scan_setup_sync, &func, 0, ZFS_SPACE_CHECK_NONE)); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_top_maxinflight, int, 0644); +MODULE_PARM_DESC(zfs_top_maxinflight, "Max I/Os per top-level"); + +module_param(zfs_resilver_delay, int, 0644); +MODULE_PARM_DESC(zfs_resilver_delay, "Number of ticks to delay resilver"); + +module_param(zfs_scrub_delay, int, 0644); +MODULE_PARM_DESC(zfs_scrub_delay, "Number of ticks to delay scrub"); + +module_param(zfs_scan_idle, int, 0644); +MODULE_PARM_DESC(zfs_scan_idle, "Idle window in clock ticks"); + +module_param(zfs_scan_min_time_ms, int, 0644); +MODULE_PARM_DESC(zfs_scan_min_time_ms, "Min millisecs to scrub per txg"); + +module_param(zfs_free_min_time_ms, int, 0644); +MODULE_PARM_DESC(zfs_free_min_time_ms, "Min millisecs to free per txg"); + +module_param(zfs_resilver_min_time_ms, int, 0644); +MODULE_PARM_DESC(zfs_resilver_min_time_ms, "Min millisecs to resilver per txg"); + +module_param(zfs_no_scrub_io, int, 0644); +MODULE_PARM_DESC(zfs_no_scrub_io, "Set to disable scrub I/O"); + +module_param(zfs_no_scrub_prefetch, int, 0644); +MODULE_PARM_DESC(zfs_no_scrub_prefetch, "Set to disable scrub prefetching"); + +module_param(zfs_free_max_blocks, ulong, 0644); +MODULE_PARM_DESC(zfs_free_max_blocks, "Max number of blocks freed in one txg"); +#endif diff --git a/zfs/module/zfs/dsl_synctask.c b/zfs/module/zfs/dsl_synctask.c new file mode 100644 index 000000000000..28130d25711a --- /dev/null +++ b/zfs/module/zfs/dsl_synctask.c @@ -0,0 +1,191 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#define DST_AVG_BLKSHIFT 14 + +/* ARGSUSED */ +static int +dsl_null_checkfunc(void *arg, dmu_tx_t *tx) +{ + return (0); +} + +/* + * Called from open context to perform a callback in syncing context. Waits + * for the operation to complete. + * + * The checkfunc will be called from open context as a preliminary check + * which can quickly fail. If it succeeds, it will be called again from + * syncing context. The checkfunc should generally be designed to work + * properly in either context, but if necessary it can check + * dmu_tx_is_syncing(tx). + * + * The synctask infrastructure enforces proper locking strategy with respect + * to the dp_config_rwlock -- the lock will always be held when the callbacks + * are called. It will be held for read during the open-context (preliminary) + * call to the checkfunc, and then held for write from syncing context during + * the calls to the check and sync funcs. + * + * A dataset or pool name can be passed as the first argument. Typically, + * the check func will hold, check the return value of the hold, and then + * release the dataset. The sync func will VERIFYO(hold()) the dataset. + * This is safe because no changes can be made between the check and sync funcs, + * and the sync func will only be called if the check func successfully opened + * the dataset. + */ +int +dsl_sync_task(const char *pool, dsl_checkfunc_t *checkfunc, + dsl_syncfunc_t *syncfunc, void *arg, + int blocks_modified, zfs_space_check_t space_check) +{ + spa_t *spa; + dmu_tx_t *tx; + int err; + dsl_sync_task_t dst = { { { NULL } } }; + dsl_pool_t *dp; + + err = spa_open(pool, &spa, FTAG); + if (err != 0) + return (err); + dp = spa_get_dsl(spa); + +top: + tx = dmu_tx_create_dd(dp->dp_mos_dir); + VERIFY0(dmu_tx_assign(tx, TXG_WAIT)); + + dst.dst_pool = dp; + dst.dst_txg = dmu_tx_get_txg(tx); + dst.dst_space = blocks_modified << DST_AVG_BLKSHIFT; + dst.dst_space_check = space_check; + dst.dst_checkfunc = checkfunc != NULL ? checkfunc : dsl_null_checkfunc; + dst.dst_syncfunc = syncfunc; + dst.dst_arg = arg; + dst.dst_error = 0; + dst.dst_nowaiter = B_FALSE; + + dsl_pool_config_enter(dp, FTAG); + err = dst.dst_checkfunc(arg, tx); + dsl_pool_config_exit(dp, FTAG); + + if (err != 0) { + dmu_tx_commit(tx); + spa_close(spa, FTAG); + return (err); + } + + VERIFY(txg_list_add_tail(&dp->dp_sync_tasks, &dst, dst.dst_txg)); + + dmu_tx_commit(tx); + + txg_wait_synced(dp, dst.dst_txg); + + if (dst.dst_error == EAGAIN) { + txg_wait_synced(dp, dst.dst_txg + TXG_DEFER_SIZE); + goto top; + } + + spa_close(spa, FTAG); + return (dst.dst_error); +} + +void +dsl_sync_task_nowait(dsl_pool_t *dp, dsl_syncfunc_t *syncfunc, void *arg, + int blocks_modified, zfs_space_check_t space_check, dmu_tx_t *tx) +{ + dsl_sync_task_t *dst = kmem_zalloc(sizeof (*dst), KM_SLEEP); + + dst->dst_pool = dp; + dst->dst_txg = dmu_tx_get_txg(tx); + dst->dst_space = blocks_modified << DST_AVG_BLKSHIFT; + dst->dst_space_check = space_check; + dst->dst_checkfunc = dsl_null_checkfunc; + dst->dst_syncfunc = syncfunc; + dst->dst_arg = arg; + dst->dst_error = 0; + dst->dst_nowaiter = B_TRUE; + + VERIFY(txg_list_add_tail(&dp->dp_sync_tasks, dst, dst->dst_txg)); +} + +/* + * Called in syncing context to execute the synctask. + */ +void +dsl_sync_task_sync(dsl_sync_task_t *dst, dmu_tx_t *tx) +{ + dsl_pool_t *dp = dst->dst_pool; + + ASSERT0(dst->dst_error); + + /* + * Check for sufficient space. + * + * When the sync task was created, the caller specified the + * type of space checking required. See the comment in + * zfs_space_check_t for details on the semantics of each + * type of space checking. + * + * We just check against what's on-disk; we don't want any + * in-flight accounting to get in our way, because open context + * may have already used up various in-core limits + * (arc_tempreserve, dsl_pool_tempreserve). + */ + if (dst->dst_space_check != ZFS_SPACE_CHECK_NONE) { + uint64_t quota = dsl_pool_adjustedsize(dp, + dst->dst_space_check == ZFS_SPACE_CHECK_RESERVED) - + metaslab_class_get_deferred(spa_normal_class(dp->dp_spa)); + uint64_t used = dsl_dir_phys(dp->dp_root_dir)->dd_used_bytes; + /* MOS space is triple-dittoed, so we multiply by 3. */ + if (dst->dst_space > 0 && used + dst->dst_space * 3 > quota) { + dst->dst_error = SET_ERROR(ENOSPC); + if (dst->dst_nowaiter) + kmem_free(dst, sizeof (*dst)); + return; + } + } + + /* + * Check for errors by calling checkfunc. + */ + rrw_enter(&dp->dp_config_rwlock, RW_WRITER, FTAG); + dst->dst_error = dst->dst_checkfunc(dst->dst_arg, tx); + if (dst->dst_error == 0) + dst->dst_syncfunc(dst->dst_arg, tx); + rrw_exit(&dp->dp_config_rwlock, FTAG); + if (dst->dst_nowaiter) + kmem_free(dst, sizeof (*dst)); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(dsl_sync_task); +EXPORT_SYMBOL(dsl_sync_task_nowait); +#endif diff --git a/zfs/module/zfs/dsl_userhold.c b/zfs/module/zfs/dsl_userhold.c new file mode 100644 index 000000000000..1b234ed480f9 --- /dev/null +++ b/zfs/module/zfs/dsl_userhold.c @@ -0,0 +1,674 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +typedef struct dsl_dataset_user_hold_arg { + nvlist_t *dduha_holds; + nvlist_t *dduha_chkholds; + nvlist_t *dduha_errlist; + minor_t dduha_minor; +} dsl_dataset_user_hold_arg_t; + +/* + * If you add new checks here, you may need to add additional checks to the + * "temporary" case in snapshot_check() in dmu_objset.c. + */ +int +dsl_dataset_user_hold_check_one(dsl_dataset_t *ds, const char *htag, + boolean_t temphold, dmu_tx_t *tx) +{ + dsl_pool_t *dp = dmu_tx_pool(tx); + objset_t *mos = dp->dp_meta_objset; + int error = 0; + + ASSERT(dsl_pool_config_held(dp)); + + if (strlen(htag) > MAXNAMELEN) + return (SET_ERROR(E2BIG)); + /* Tempholds have a more restricted length */ + if (temphold && strlen(htag) + MAX_TAG_PREFIX_LEN >= MAXNAMELEN) + return (SET_ERROR(E2BIG)); + + /* tags must be unique (if ds already exists) */ + if (ds != NULL && dsl_dataset_phys(ds)->ds_userrefs_obj != 0) { + uint64_t value; + + error = zap_lookup(mos, dsl_dataset_phys(ds)->ds_userrefs_obj, + htag, 8, 1, &value); + if (error == 0) + error = SET_ERROR(EEXIST); + else if (error == ENOENT) + error = 0; + } + + return (error); +} + +static int +dsl_dataset_user_hold_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_user_hold_arg_t *dduha = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + nvpair_t *pair; + + if (spa_version(dp->dp_spa) < SPA_VERSION_USERREFS) + return (SET_ERROR(ENOTSUP)); + + if (!dmu_tx_is_syncing(tx)) + return (0); + + for (pair = nvlist_next_nvpair(dduha->dduha_holds, NULL); + pair != NULL; pair = nvlist_next_nvpair(dduha->dduha_holds, pair)) { + dsl_dataset_t *ds; + int error = 0; + char *htag, *name; + + /* must be a snapshot */ + name = nvpair_name(pair); + if (strchr(name, '@') == NULL) + error = SET_ERROR(EINVAL); + + if (error == 0) + error = nvpair_value_string(pair, &htag); + + if (error == 0) + error = dsl_dataset_hold(dp, name, FTAG, &ds); + + if (error == 0) { + error = dsl_dataset_user_hold_check_one(ds, htag, + dduha->dduha_minor != 0, tx); + dsl_dataset_rele(ds, FTAG); + } + + if (error == 0) { + fnvlist_add_string(dduha->dduha_chkholds, name, htag); + } else { + /* + * We register ENOENT errors so they can be correctly + * reported if needed, such as when all holds fail. + */ + fnvlist_add_int32(dduha->dduha_errlist, name, error); + if (error != ENOENT) + return (error); + } + } + + return (0); +} + + +static void +dsl_dataset_user_hold_sync_one_impl(nvlist_t *tmpholds, dsl_dataset_t *ds, + const char *htag, minor_t minor, uint64_t now, dmu_tx_t *tx) +{ + dsl_pool_t *dp = ds->ds_dir->dd_pool; + objset_t *mos = dp->dp_meta_objset; + uint64_t zapobj; + + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + + if (dsl_dataset_phys(ds)->ds_userrefs_obj == 0) { + /* + * This is the first user hold for this dataset. Create + * the userrefs zap object. + */ + dmu_buf_will_dirty(ds->ds_dbuf, tx); + zapobj = dsl_dataset_phys(ds)->ds_userrefs_obj = + zap_create(mos, DMU_OT_USERREFS, DMU_OT_NONE, 0, tx); + } else { + zapobj = dsl_dataset_phys(ds)->ds_userrefs_obj; + } + ds->ds_userrefs++; + + VERIFY0(zap_add(mos, zapobj, htag, 8, 1, &now, tx)); + + if (minor != 0) { + char name[MAXNAMELEN]; + nvlist_t *tags; + + VERIFY0(dsl_pool_user_hold(dp, ds->ds_object, + htag, now, tx)); + (void) snprintf(name, sizeof (name), "%llx", + (u_longlong_t)ds->ds_object); + + if (nvlist_lookup_nvlist(tmpholds, name, &tags) != 0) { + tags = fnvlist_alloc(); + fnvlist_add_boolean(tags, htag); + fnvlist_add_nvlist(tmpholds, name, tags); + fnvlist_free(tags); + } else { + fnvlist_add_boolean(tags, htag); + } + } + + spa_history_log_internal_ds(ds, "hold", tx, + "tag=%s temp=%d refs=%llu", + htag, minor != 0, ds->ds_userrefs); +} + +typedef struct zfs_hold_cleanup_arg { + char zhca_spaname[MAXNAMELEN]; + uint64_t zhca_spa_load_guid; + nvlist_t *zhca_holds; +} zfs_hold_cleanup_arg_t; + +static void +dsl_dataset_user_release_onexit(void *arg) +{ + zfs_hold_cleanup_arg_t *ca = arg; + spa_t *spa; + int error; + + error = spa_open(ca->zhca_spaname, &spa, FTAG); + if (error != 0) { + zfs_dbgmsg("couldn't release holds on pool=%s " + "because pool is no longer loaded", + ca->zhca_spaname); + return; + } + if (spa_load_guid(spa) != ca->zhca_spa_load_guid) { + zfs_dbgmsg("couldn't release holds on pool=%s " + "because pool is no longer loaded (guid doesn't match)", + ca->zhca_spaname); + spa_close(spa, FTAG); + return; + } + + (void) dsl_dataset_user_release_tmp(spa_get_dsl(spa), ca->zhca_holds); + fnvlist_free(ca->zhca_holds); + kmem_free(ca, sizeof (zfs_hold_cleanup_arg_t)); + spa_close(spa, FTAG); +} + +static void +dsl_onexit_hold_cleanup(spa_t *spa, nvlist_t *holds, minor_t minor) +{ + zfs_hold_cleanup_arg_t *ca; + + if (minor == 0 || nvlist_empty(holds)) { + fnvlist_free(holds); + return; + } + + ASSERT(spa != NULL); + ca = kmem_alloc(sizeof (*ca), KM_SLEEP); + + (void) strlcpy(ca->zhca_spaname, spa_name(spa), + sizeof (ca->zhca_spaname)); + ca->zhca_spa_load_guid = spa_load_guid(spa); + ca->zhca_holds = holds; + VERIFY0(zfs_onexit_add_cb(minor, + dsl_dataset_user_release_onexit, ca, NULL)); +} + +void +dsl_dataset_user_hold_sync_one(dsl_dataset_t *ds, const char *htag, + minor_t minor, uint64_t now, dmu_tx_t *tx) +{ + nvlist_t *tmpholds; + + if (minor != 0) + tmpholds = fnvlist_alloc(); + else + tmpholds = NULL; + dsl_dataset_user_hold_sync_one_impl(tmpholds, ds, htag, minor, now, tx); + dsl_onexit_hold_cleanup(dsl_dataset_get_spa(ds), tmpholds, minor); +} + +static void +dsl_dataset_user_hold_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_user_hold_arg_t *dduha = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + nvlist_t *tmpholds; + nvpair_t *pair; + uint64_t now = gethrestime_sec(); + + if (dduha->dduha_minor != 0) + tmpholds = fnvlist_alloc(); + else + tmpholds = NULL; + for (pair = nvlist_next_nvpair(dduha->dduha_chkholds, NULL); + pair != NULL; + pair = nvlist_next_nvpair(dduha->dduha_chkholds, pair)) { + dsl_dataset_t *ds; + + VERIFY0(dsl_dataset_hold(dp, nvpair_name(pair), FTAG, &ds)); + dsl_dataset_user_hold_sync_one_impl(tmpholds, ds, + fnvpair_value_string(pair), dduha->dduha_minor, now, tx); + dsl_dataset_rele(ds, FTAG); + } + dsl_onexit_hold_cleanup(dp->dp_spa, tmpholds, dduha->dduha_minor); +} + +/* + * The full semantics of this function are described in the comment above + * lzc_hold(). + * + * To summarize: + * holds is nvl of snapname -> holdname + * errlist will be filled in with snapname -> error + * + * The snaphosts must all be in the same pool. + * + * Holds for snapshots that don't exist will be skipped. + * + * If none of the snapshots for requested holds exist then ENOENT will be + * returned. + * + * If cleanup_minor is not 0, the holds will be temporary, which will be cleaned + * up when the process exits. + * + * On success all the holds, for snapshots that existed, will be created and 0 + * will be returned. + * + * On failure no holds will be created, the errlist will be filled in, + * and an errno will returned. + * + * In all cases the errlist will contain entries for holds where the snapshot + * didn't exist. + */ +int +dsl_dataset_user_hold(nvlist_t *holds, minor_t cleanup_minor, nvlist_t *errlist) +{ + dsl_dataset_user_hold_arg_t dduha; + nvpair_t *pair; + int ret; + + pair = nvlist_next_nvpair(holds, NULL); + if (pair == NULL) + return (0); + + dduha.dduha_holds = holds; + dduha.dduha_chkholds = fnvlist_alloc(); + dduha.dduha_errlist = errlist; + dduha.dduha_minor = cleanup_minor; + + ret = dsl_sync_task(nvpair_name(pair), dsl_dataset_user_hold_check, + dsl_dataset_user_hold_sync, &dduha, + fnvlist_num_pairs(holds), ZFS_SPACE_CHECK_RESERVED); + fnvlist_free(dduha.dduha_chkholds); + + return (ret); +} + +typedef int (dsl_holdfunc_t)(dsl_pool_t *dp, const char *name, void *tag, + dsl_dataset_t **dsp); + +typedef struct dsl_dataset_user_release_arg { + dsl_holdfunc_t *ddura_holdfunc; + nvlist_t *ddura_holds; + nvlist_t *ddura_todelete; + nvlist_t *ddura_errlist; + nvlist_t *ddura_chkholds; +} dsl_dataset_user_release_arg_t; + +/* Place a dataset hold on the snapshot identified by passed dsobj string */ +static int +dsl_dataset_hold_obj_string(dsl_pool_t *dp, const char *dsobj, void *tag, + dsl_dataset_t **dsp) +{ + return (dsl_dataset_hold_obj(dp, strtonum(dsobj, NULL), tag, dsp)); +} + +static int +dsl_dataset_user_release_check_one(dsl_dataset_user_release_arg_t *ddura, + dsl_dataset_t *ds, nvlist_t *holds, const char *snapname) +{ + uint64_t zapobj; + nvlist_t *holds_found; + nvpair_t *pair; + objset_t *mos; + int numholds; + + if (!ds->ds_is_snapshot) + return (SET_ERROR(EINVAL)); + + if (nvlist_empty(holds)) + return (0); + + numholds = 0; + mos = ds->ds_dir->dd_pool->dp_meta_objset; + zapobj = dsl_dataset_phys(ds)->ds_userrefs_obj; + VERIFY0(nvlist_alloc(&holds_found, NV_UNIQUE_NAME, KM_SLEEP)); + + for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; + pair = nvlist_next_nvpair(holds, pair)) { + uint64_t tmp; + int error; + const char *holdname = nvpair_name(pair); + + if (zapobj != 0) + error = zap_lookup(mos, zapobj, holdname, 8, 1, &tmp); + else + error = SET_ERROR(ENOENT); + + /* + * Non-existent holds are put on the errlist, but don't + * cause an overall failure. + */ + if (error == ENOENT) { + if (ddura->ddura_errlist != NULL) { + char *errtag = kmem_asprintf("%s#%s", + snapname, holdname); + fnvlist_add_int32(ddura->ddura_errlist, errtag, + ENOENT); + strfree(errtag); + } + continue; + } + + if (error != 0) { + fnvlist_free(holds_found); + return (error); + } + + fnvlist_add_boolean(holds_found, holdname); + numholds++; + } + + if (DS_IS_DEFER_DESTROY(ds) && + dsl_dataset_phys(ds)->ds_num_children == 1 && + ds->ds_userrefs == numholds) { + /* we need to destroy the snapshot as well */ + if (dsl_dataset_long_held(ds)) { + fnvlist_free(holds_found); + return (SET_ERROR(EBUSY)); + } + fnvlist_add_boolean(ddura->ddura_todelete, snapname); + } + + if (numholds != 0) { + fnvlist_add_nvlist(ddura->ddura_chkholds, snapname, + holds_found); + } + fnvlist_free(holds_found); + + return (0); +} + +static int +dsl_dataset_user_release_check(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_user_release_arg_t *ddura; + dsl_holdfunc_t *holdfunc; + dsl_pool_t *dp; + nvpair_t *pair; + + if (!dmu_tx_is_syncing(tx)) + return (0); + + dp = dmu_tx_pool(tx); + + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + + ddura = arg; + holdfunc = ddura->ddura_holdfunc; + + for (pair = nvlist_next_nvpair(ddura->ddura_holds, NULL); + pair != NULL; pair = nvlist_next_nvpair(ddura->ddura_holds, pair)) { + int error; + dsl_dataset_t *ds; + nvlist_t *holds; + const char *snapname = nvpair_name(pair); + + error = nvpair_value_nvlist(pair, &holds); + if (error != 0) + error = (SET_ERROR(EINVAL)); + else + error = holdfunc(dp, snapname, FTAG, &ds); + if (error == 0) { + error = dsl_dataset_user_release_check_one(ddura, ds, + holds, snapname); + dsl_dataset_rele(ds, FTAG); + } + if (error != 0) { + if (ddura->ddura_errlist != NULL) { + fnvlist_add_int32(ddura->ddura_errlist, + snapname, error); + } + /* + * Non-existent snapshots are put on the errlist, + * but don't cause an overall failure. + */ + if (error != ENOENT) + return (error); + } + } + + return (0); +} + +static void +dsl_dataset_user_release_sync_one(dsl_dataset_t *ds, nvlist_t *holds, + dmu_tx_t *tx) +{ + dsl_pool_t *dp = ds->ds_dir->dd_pool; + objset_t *mos = dp->dp_meta_objset; + nvpair_t *pair; + + for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; + pair = nvlist_next_nvpair(holds, pair)) { + int error; + const char *holdname = nvpair_name(pair); + + /* Remove temporary hold if one exists. */ + error = dsl_pool_user_release(dp, ds->ds_object, holdname, tx); + VERIFY(error == 0 || error == ENOENT); + + VERIFY0(zap_remove(mos, dsl_dataset_phys(ds)->ds_userrefs_obj, + holdname, tx)); + ds->ds_userrefs--; + + spa_history_log_internal_ds(ds, "release", tx, + "tag=%s refs=%lld", holdname, (longlong_t)ds->ds_userrefs); + } +} + +static void +dsl_dataset_user_release_sync(void *arg, dmu_tx_t *tx) +{ + dsl_dataset_user_release_arg_t *ddura = arg; + dsl_holdfunc_t *holdfunc = ddura->ddura_holdfunc; + dsl_pool_t *dp = dmu_tx_pool(tx); + nvpair_t *pair; + + ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock)); + + for (pair = nvlist_next_nvpair(ddura->ddura_chkholds, NULL); + pair != NULL; pair = nvlist_next_nvpair(ddura->ddura_chkholds, + pair)) { + dsl_dataset_t *ds; + const char *name = nvpair_name(pair); + + VERIFY0(holdfunc(dp, name, FTAG, &ds)); + + dsl_dataset_user_release_sync_one(ds, + fnvpair_value_nvlist(pair), tx); + if (nvlist_exists(ddura->ddura_todelete, name)) { + ASSERT(ds->ds_userrefs == 0 && + dsl_dataset_phys(ds)->ds_num_children == 1 && + DS_IS_DEFER_DESTROY(ds)); + dsl_destroy_snapshot_sync_impl(ds, B_FALSE, tx); + } + dsl_dataset_rele(ds, FTAG); + } +} + +/* + * The full semantics of this function are described in the comment above + * lzc_release(). + * + * To summarize: + * Releases holds specified in the nvl holds. + * + * holds is nvl of snapname -> { holdname, ... } + * errlist will be filled in with snapname -> error + * + * If tmpdp is not NULL the names for holds should be the dsobj's of snapshots, + * otherwise they should be the names of shapshots. + * + * As a release may cause snapshots to be destroyed this trys to ensure they + * aren't mounted. + * + * The release of non-existent holds are skipped. + * + * At least one hold must have been released for the this function to succeed + * and return 0. + */ +static int +dsl_dataset_user_release_impl(nvlist_t *holds, nvlist_t *errlist, + dsl_pool_t *tmpdp) +{ + dsl_dataset_user_release_arg_t ddura; + nvpair_t *pair; + char *pool; + int error; + + pair = nvlist_next_nvpair(holds, NULL); + if (pair == NULL) + return (0); + + /* + * The release may cause snapshots to be destroyed; make sure they + * are not mounted. + */ + if (tmpdp != NULL) { + /* Temporary holds are specified by dsobj string. */ + ddura.ddura_holdfunc = dsl_dataset_hold_obj_string; + pool = spa_name(tmpdp->dp_spa); +#ifdef _KERNEL + for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; + pair = nvlist_next_nvpair(holds, pair)) { + dsl_dataset_t *ds; + + dsl_pool_config_enter(tmpdp, FTAG); + error = dsl_dataset_hold_obj_string(tmpdp, + nvpair_name(pair), FTAG, &ds); + if (error == 0) { + char name[MAXNAMELEN]; + dsl_dataset_name(ds, name); + dsl_pool_config_exit(tmpdp, FTAG); + dsl_dataset_rele(ds, FTAG); + (void) zfs_unmount_snap(name); + } else { + dsl_pool_config_exit(tmpdp, FTAG); + } + } +#endif + } else { + /* Non-temporary holds are specified by name. */ + ddura.ddura_holdfunc = dsl_dataset_hold; + pool = nvpair_name(pair); +#ifdef _KERNEL + for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; + pair = nvlist_next_nvpair(holds, pair)) { + (void) zfs_unmount_snap(nvpair_name(pair)); + } +#endif + } + + ddura.ddura_holds = holds; + ddura.ddura_errlist = errlist; + VERIFY0(nvlist_alloc(&ddura.ddura_todelete, NV_UNIQUE_NAME, + KM_SLEEP)); + VERIFY0(nvlist_alloc(&ddura.ddura_chkholds, NV_UNIQUE_NAME, + KM_SLEEP)); + + error = dsl_sync_task(pool, dsl_dataset_user_release_check, + dsl_dataset_user_release_sync, &ddura, 0, ZFS_SPACE_CHECK_NONE); + fnvlist_free(ddura.ddura_todelete); + fnvlist_free(ddura.ddura_chkholds); + + return (error); +} + +/* + * holds is nvl of snapname -> { holdname, ... } + * errlist will be filled in with snapname -> error + */ +int +dsl_dataset_user_release(nvlist_t *holds, nvlist_t *errlist) +{ + return (dsl_dataset_user_release_impl(holds, errlist, NULL)); +} + +/* + * holds is nvl of snapdsobj -> { holdname, ... } + */ +void +dsl_dataset_user_release_tmp(struct dsl_pool *dp, nvlist_t *holds) +{ + ASSERT(dp != NULL); + (void) dsl_dataset_user_release_impl(holds, NULL, dp); +} + +int +dsl_dataset_get_holds(const char *dsname, nvlist_t *nvl) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + int err; + + err = dsl_pool_hold(dsname, FTAG, &dp); + if (err != 0) + return (err); + err = dsl_dataset_hold(dp, dsname, FTAG, &ds); + if (err != 0) { + dsl_pool_rele(dp, FTAG); + return (err); + } + + if (dsl_dataset_phys(ds)->ds_userrefs_obj != 0) { + zap_attribute_t *za; + zap_cursor_t zc; + + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + for (zap_cursor_init(&zc, ds->ds_dir->dd_pool->dp_meta_objset, + dsl_dataset_phys(ds)->ds_userrefs_obj); + zap_cursor_retrieve(&zc, za) == 0; + zap_cursor_advance(&zc)) { + fnvlist_add_uint64(nvl, za->za_name, + za->za_first_integer); + } + zap_cursor_fini(&zc); + kmem_free(za, sizeof (zap_attribute_t)); + } + dsl_dataset_rele(ds, FTAG); + dsl_pool_rele(dp, FTAG); + return (0); +} diff --git a/zfs/module/zfs/fm.c b/zfs/module/zfs/fm.c new file mode 100644 index 000000000000..999bd8adc518 --- /dev/null +++ b/zfs/module/zfs/fm.c @@ -0,0 +1,1660 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +/* + * Fault Management Architecture (FMA) Resource and Protocol Support + * + * The routines contained herein provide services to support kernel subsystems + * in publishing fault management telemetry (see PSARC 2002/412 and 2003/089). + * + * Name-Value Pair Lists + * + * The embodiment of an FMA protocol element (event, fmri or authority) is a + * name-value pair list (nvlist_t). FMA-specific nvlist construtor and + * destructor functions, fm_nvlist_create() and fm_nvlist_destroy(), are used + * to create an nvpair list using custom allocators. Callers may choose to + * allocate either from the kernel memory allocator, or from a preallocated + * buffer, useful in constrained contexts like high-level interrupt routines. + * + * Protocol Event and FMRI Construction + * + * Convenience routines are provided to construct nvlist events according to + * the FMA Event Protocol and Naming Schema specification for ereports and + * FMRIs for the dev, cpu, hc, mem, legacy hc and de schemes. + * + * ENA Manipulation + * + * Routines to generate ENA formats 0, 1 and 2 are available as well as + * routines to increment formats 1 and 2. Individual fields within the + * ENA are extractable via fm_ena_time_get(), fm_ena_id_get(), + * fm_ena_format_get() and fm_ena_gen_get(). + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef _KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +int zfs_zevent_len_max = 0; +int zfs_zevent_cols = 80; +int zfs_zevent_console = 0; + +static int zevent_len_cur = 0; +static int zevent_waiters = 0; +static int zevent_flags = 0; + +/* + * The EID (Event IDentifier) is used to uniquely tag a zevent when it is + * posted. The posted EIDs are monotonically increasing but not persistent. + * They will be reset to the initial value (1) each time the kernel module is + * loaded. + */ +static uint64_t zevent_eid = 0; + +static kmutex_t zevent_lock; +static list_t zevent_list; +static kcondvar_t zevent_cv; +#endif /* _KERNEL */ + +extern void fastreboot_disable_highpil(void); + +/* + * Common fault management kstats to record event generation failures + */ + +struct erpt_kstat { + kstat_named_t erpt_dropped; /* num erpts dropped on post */ + kstat_named_t erpt_set_failed; /* num erpt set failures */ + kstat_named_t fmri_set_failed; /* num fmri set failures */ + kstat_named_t payload_set_failed; /* num payload set failures */ +}; + +static struct erpt_kstat erpt_kstat_data = { + { "erpt-dropped", KSTAT_DATA_UINT64 }, + { "erpt-set-failed", KSTAT_DATA_UINT64 }, + { "fmri-set-failed", KSTAT_DATA_UINT64 }, + { "payload-set-failed", KSTAT_DATA_UINT64 } +}; + +kstat_t *fm_ksp; + +#ifdef _KERNEL + +/* + * Formatting utility function for fm_nvprintr. We attempt to wrap chunks of + * output so they aren't split across console lines, and return the end column. + */ +/*PRINTFLIKE4*/ +static int +fm_printf(int depth, int c, int cols, const char *format, ...) +{ + va_list ap; + int width; + char c1; + + va_start(ap, format); + width = vsnprintf(&c1, sizeof (c1), format, ap); + va_end(ap); + + if (c + width >= cols) { + console_printf("\n"); + c = 0; + if (format[0] != ' ' && depth > 0) { + console_printf(" "); + c++; + } + } + + va_start(ap, format); + console_vprintf(format, ap); + va_end(ap); + + return ((c + width) % cols); +} + +/* + * Recursively print a nvlist in the specified column width and return the + * column we end up in. This function is called recursively by fm_nvprint(), + * below. We generically format the entire nvpair using hexadecimal + * integers and strings, and elide any integer arrays. Arrays are basically + * used for cache dumps right now, so we suppress them so as not to overwhelm + * the amount of console output we produce at panic time. This can be further + * enhanced as FMA technology grows based upon the needs of consumers. All + * FMA telemetry is logged using the dump device transport, so the console + * output serves only as a fallback in case this procedure is unsuccessful. + */ +static int +fm_nvprintr(nvlist_t *nvl, int d, int c, int cols) +{ + nvpair_t *nvp; + + for (nvp = nvlist_next_nvpair(nvl, NULL); + nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp)) { + + data_type_t type = nvpair_type(nvp); + const char *name = nvpair_name(nvp); + + boolean_t b; + uint8_t i8; + uint16_t i16; + uint32_t i32; + uint64_t i64; + char *str; + nvlist_t *cnv; + + if (strcmp(name, FM_CLASS) == 0) + continue; /* already printed by caller */ + + c = fm_printf(d, c, cols, " %s=", name); + + switch (type) { + case DATA_TYPE_BOOLEAN: + c = fm_printf(d + 1, c, cols, " 1"); + break; + + case DATA_TYPE_BOOLEAN_VALUE: + (void) nvpair_value_boolean_value(nvp, &b); + c = fm_printf(d + 1, c, cols, b ? "1" : "0"); + break; + + case DATA_TYPE_BYTE: + (void) nvpair_value_byte(nvp, &i8); + c = fm_printf(d + 1, c, cols, "0x%x", i8); + break; + + case DATA_TYPE_INT8: + (void) nvpair_value_int8(nvp, (void *)&i8); + c = fm_printf(d + 1, c, cols, "0x%x", i8); + break; + + case DATA_TYPE_UINT8: + (void) nvpair_value_uint8(nvp, &i8); + c = fm_printf(d + 1, c, cols, "0x%x", i8); + break; + + case DATA_TYPE_INT16: + (void) nvpair_value_int16(nvp, (void *)&i16); + c = fm_printf(d + 1, c, cols, "0x%x", i16); + break; + + case DATA_TYPE_UINT16: + (void) nvpair_value_uint16(nvp, &i16); + c = fm_printf(d + 1, c, cols, "0x%x", i16); + break; + + case DATA_TYPE_INT32: + (void) nvpair_value_int32(nvp, (void *)&i32); + c = fm_printf(d + 1, c, cols, "0x%x", i32); + break; + + case DATA_TYPE_UINT32: + (void) nvpair_value_uint32(nvp, &i32); + c = fm_printf(d + 1, c, cols, "0x%x", i32); + break; + + case DATA_TYPE_INT64: + (void) nvpair_value_int64(nvp, (void *)&i64); + c = fm_printf(d + 1, c, cols, "0x%llx", + (u_longlong_t)i64); + break; + + case DATA_TYPE_UINT64: + (void) nvpair_value_uint64(nvp, &i64); + c = fm_printf(d + 1, c, cols, "0x%llx", + (u_longlong_t)i64); + break; + + case DATA_TYPE_HRTIME: + (void) nvpair_value_hrtime(nvp, (void *)&i64); + c = fm_printf(d + 1, c, cols, "0x%llx", + (u_longlong_t)i64); + break; + + case DATA_TYPE_STRING: + (void) nvpair_value_string(nvp, &str); + c = fm_printf(d + 1, c, cols, "\"%s\"", + str ? str : ""); + break; + + case DATA_TYPE_NVLIST: + c = fm_printf(d + 1, c, cols, "["); + (void) nvpair_value_nvlist(nvp, &cnv); + c = fm_nvprintr(cnv, d + 1, c, cols); + c = fm_printf(d + 1, c, cols, " ]"); + break; + + case DATA_TYPE_NVLIST_ARRAY: { + nvlist_t **val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "["); + (void) nvpair_value_nvlist_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) { + c = fm_nvprintr(val[i], d + 1, c, cols); + } + c = fm_printf(d + 1, c, cols, " ]"); + } + break; + + case DATA_TYPE_INT8_ARRAY: { + int8_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_int8_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_UINT8_ARRAY: { + uint8_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_uint8_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_INT16_ARRAY: { + int16_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_int16_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_UINT16_ARRAY: { + uint16_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_uint16_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_INT32_ARRAY: { + int32_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_int32_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_UINT32_ARRAY: { + uint32_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_uint32_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_INT64_ARRAY: { + int64_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_int64_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_UINT64_ARRAY: { + uint64_t *val; + uint_t i, nelem; + + c = fm_printf(d + 1, c, cols, "[ "); + (void) nvpair_value_uint64_array(nvp, &val, &nelem); + for (i = 0; i < nelem; i++) + c = fm_printf(d + 1, c, cols, "0x%llx ", + (u_longlong_t)val[i]); + + c = fm_printf(d + 1, c, cols, "]"); + break; + } + + case DATA_TYPE_STRING_ARRAY: + case DATA_TYPE_BOOLEAN_ARRAY: + case DATA_TYPE_BYTE_ARRAY: + c = fm_printf(d + 1, c, cols, "[...]"); + break; + + case DATA_TYPE_UNKNOWN: + c = fm_printf(d + 1, c, cols, ""); + break; + } + } + + return (c); +} + +void +fm_nvprint(nvlist_t *nvl) +{ + char *class; + int c = 0; + + console_printf("\n"); + + if (nvlist_lookup_string(nvl, FM_CLASS, &class) == 0) + c = fm_printf(0, c, zfs_zevent_cols, "%s", class); + + if (fm_nvprintr(nvl, 0, c, zfs_zevent_cols) != 0) + console_printf("\n"); + + console_printf("\n"); +} + +static zevent_t * +zfs_zevent_alloc(void) +{ + zevent_t *ev; + + ev = kmem_zalloc(sizeof (zevent_t), KM_SLEEP); + if (ev == NULL) + return (NULL); + + list_create(&ev->ev_ze_list, sizeof (zfs_zevent_t), + offsetof(zfs_zevent_t, ze_node)); + list_link_init(&ev->ev_node); + + return (ev); +} + +static void +zfs_zevent_free(zevent_t *ev) +{ + /* Run provided cleanup callback */ + ev->ev_cb(ev->ev_nvl, ev->ev_detector); + + list_destroy(&ev->ev_ze_list); + kmem_free(ev, sizeof (zevent_t)); +} + +static void +zfs_zevent_drain(zevent_t *ev) +{ + zfs_zevent_t *ze; + + ASSERT(MUTEX_HELD(&zevent_lock)); + list_remove(&zevent_list, ev); + + /* Remove references to this event in all private file data */ + while ((ze = list_head(&ev->ev_ze_list)) != NULL) { + list_remove(&ev->ev_ze_list, ze); + ze->ze_zevent = NULL; + ze->ze_dropped++; + } + + zfs_zevent_free(ev); +} + +void +zfs_zevent_drain_all(int *count) +{ + zevent_t *ev; + + mutex_enter(&zevent_lock); + while ((ev = list_head(&zevent_list)) != NULL) + zfs_zevent_drain(ev); + + *count = zevent_len_cur; + zevent_len_cur = 0; + mutex_exit(&zevent_lock); +} + +/* + * New zevents are inserted at the head. If the maximum queue + * length is exceeded a zevent will be drained from the tail. + * As part of this any user space processes which currently have + * a reference to this zevent_t in their private data will have + * this reference set to NULL. + */ +static void +zfs_zevent_insert(zevent_t *ev) +{ + ASSERT(MUTEX_HELD(&zevent_lock)); + list_insert_head(&zevent_list, ev); + + if (zevent_len_cur >= zfs_zevent_len_max) + zfs_zevent_drain(list_tail(&zevent_list)); + else + zevent_len_cur++; +} + +/* + * Post a zevent. The cb will be called when nvl and detector are no longer + * needed, i.e.: + * - An error happened and a zevent can't be posted. In this case, cb is called + * before zfs_zevent_post() returns. + * - The event is being drained and freed. + */ +int +zfs_zevent_post(nvlist_t *nvl, nvlist_t *detector, zevent_cb_t *cb) +{ + int64_t tv_array[2]; + timestruc_t tv; + uint64_t eid; + size_t nvl_size = 0; + zevent_t *ev; + int error; + + ASSERT(cb != NULL); + + gethrestime(&tv); + tv_array[0] = tv.tv_sec; + tv_array[1] = tv.tv_nsec; + + error = nvlist_add_int64_array(nvl, FM_EREPORT_TIME, tv_array, 2); + if (error) { + atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); + goto out; + } + + eid = atomic_inc_64_nv(&zevent_eid); + error = nvlist_add_uint64(nvl, FM_EREPORT_EID, eid); + if (error) { + atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); + goto out; + } + + error = nvlist_size(nvl, &nvl_size, NV_ENCODE_NATIVE); + if (error) { + atomic_add_64(&erpt_kstat_data.erpt_dropped.value.ui64, 1); + goto out; + } + + if (nvl_size > ERPT_DATA_SZ || nvl_size == 0) { + atomic_add_64(&erpt_kstat_data.erpt_dropped.value.ui64, 1); + error = EOVERFLOW; + goto out; + } + + if (zfs_zevent_console) + fm_nvprint(nvl); + + ev = zfs_zevent_alloc(); + if (ev == NULL) { + atomic_add_64(&erpt_kstat_data.erpt_dropped.value.ui64, 1); + error = ENOMEM; + goto out; + } + + ev->ev_nvl = nvl; + ev->ev_detector = detector; + ev->ev_cb = cb; + ev->ev_eid = eid; + + mutex_enter(&zevent_lock); + zfs_zevent_insert(ev); + cv_broadcast(&zevent_cv); + mutex_exit(&zevent_lock); + +out: + if (error) + cb(nvl, detector); + + return (error); +} + +static int +zfs_zevent_minor_to_state(minor_t minor, zfs_zevent_t **ze) +{ + *ze = zfsdev_get_state(minor, ZST_ZEVENT); + if (*ze == NULL) + return (EBADF); + + return (0); +} + +int +zfs_zevent_fd_hold(int fd, minor_t *minorp, zfs_zevent_t **ze) +{ + file_t *fp; + int error; + + fp = getf(fd); + if (fp == NULL) + return (EBADF); + + error = zfsdev_getminor(fp->f_file, minorp); + if (error == 0) + error = zfs_zevent_minor_to_state(*minorp, ze); + + if (error) + zfs_zevent_fd_rele(fd); + + return (error); +} + +void +zfs_zevent_fd_rele(int fd) +{ + releasef(fd); +} + +/* + * Get the next zevent in the stream and place a copy in 'event'. This + * may fail with ENOMEM if the encoded nvlist size exceeds the passed + * 'event_size'. In this case the stream pointer is not advanced and + * and 'event_size' is set to the minimum required buffer size. + */ +int +zfs_zevent_next(zfs_zevent_t *ze, nvlist_t **event, uint64_t *event_size, + uint64_t *dropped) +{ + zevent_t *ev; + size_t size; + int error = 0; + + mutex_enter(&zevent_lock); + if (ze->ze_zevent == NULL) { + /* New stream start at the beginning/tail */ + ev = list_tail(&zevent_list); + if (ev == NULL) { + error = ENOENT; + goto out; + } + } else { + /* + * Existing stream continue with the next element and remove + * ourselves from the wait queue for the previous element + */ + ev = list_prev(&zevent_list, ze->ze_zevent); + if (ev == NULL) { + error = ENOENT; + goto out; + } + } + + VERIFY(nvlist_size(ev->ev_nvl, &size, NV_ENCODE_NATIVE) == 0); + if (size > *event_size) { + *event_size = size; + error = ENOMEM; + goto out; + } + + if (ze->ze_zevent) + list_remove(&ze->ze_zevent->ev_ze_list, ze); + + ze->ze_zevent = ev; + list_insert_head(&ev->ev_ze_list, ze); + nvlist_dup(ev->ev_nvl, event, KM_SLEEP); + *dropped = ze->ze_dropped; + ze->ze_dropped = 0; +out: + mutex_exit(&zevent_lock); + + return (error); +} + +int +zfs_zevent_wait(zfs_zevent_t *ze) +{ + int error = 0; + + mutex_enter(&zevent_lock); + + if (zevent_flags & ZEVENT_SHUTDOWN) { + error = ESHUTDOWN; + goto out; + } + + zevent_waiters++; + cv_wait_sig(&zevent_cv, &zevent_lock); + if (issig(JUSTLOOKING)) + error = EINTR; + + zevent_waiters--; +out: + mutex_exit(&zevent_lock); + + return (error); +} + +/* + * The caller may seek to a specific EID by passing that EID. If the EID + * is still available in the posted list of events the cursor is positioned + * there. Otherwise ENOENT is returned and the cursor is not moved. + * + * There are two reserved EIDs which may be passed and will never fail. + * ZEVENT_SEEK_START positions the cursor at the start of the list, and + * ZEVENT_SEEK_END positions the cursor at the end of the list. + */ +int +zfs_zevent_seek(zfs_zevent_t *ze, uint64_t eid) +{ + zevent_t *ev; + int error = 0; + + mutex_enter(&zevent_lock); + + if (eid == ZEVENT_SEEK_START) { + if (ze->ze_zevent) + list_remove(&ze->ze_zevent->ev_ze_list, ze); + + ze->ze_zevent = NULL; + goto out; + } + + if (eid == ZEVENT_SEEK_END) { + if (ze->ze_zevent) + list_remove(&ze->ze_zevent->ev_ze_list, ze); + + ev = list_head(&zevent_list); + if (ev) { + ze->ze_zevent = ev; + list_insert_head(&ev->ev_ze_list, ze); + } else { + ze->ze_zevent = NULL; + } + + goto out; + } + + for (ev = list_tail(&zevent_list); ev != NULL; + ev = list_prev(&zevent_list, ev)) { + if (ev->ev_eid == eid) { + if (ze->ze_zevent) + list_remove(&ze->ze_zevent->ev_ze_list, ze); + + ze->ze_zevent = ev; + list_insert_head(&ev->ev_ze_list, ze); + break; + } + } + + if (ev == NULL) + error = ENOENT; + +out: + mutex_exit(&zevent_lock); + + return (error); +} + +void +zfs_zevent_init(zfs_zevent_t **zep) +{ + zfs_zevent_t *ze; + + ze = *zep = kmem_zalloc(sizeof (zfs_zevent_t), KM_SLEEP); + list_link_init(&ze->ze_node); +} + +void +zfs_zevent_destroy(zfs_zevent_t *ze) +{ + mutex_enter(&zevent_lock); + if (ze->ze_zevent) + list_remove(&ze->ze_zevent->ev_ze_list, ze); + mutex_exit(&zevent_lock); + + kmem_free(ze, sizeof (zfs_zevent_t)); +} +#endif /* _KERNEL */ + +/* + * Wrapppers for FM nvlist allocators + */ +/* ARGSUSED */ +static void * +i_fm_alloc(nv_alloc_t *nva, size_t size) +{ + return (kmem_zalloc(size, KM_SLEEP)); +} + +/* ARGSUSED */ +static void +i_fm_free(nv_alloc_t *nva, void *buf, size_t size) +{ + kmem_free(buf, size); +} + +const nv_alloc_ops_t fm_mem_alloc_ops = { + NULL, + NULL, + i_fm_alloc, + i_fm_free, + NULL +}; + +/* + * Create and initialize a new nv_alloc_t for a fixed buffer, buf. A pointer + * to the newly allocated nv_alloc_t structure is returned upon success or NULL + * is returned to indicate that the nv_alloc structure could not be created. + */ +nv_alloc_t * +fm_nva_xcreate(char *buf, size_t bufsz) +{ + nv_alloc_t *nvhdl = kmem_zalloc(sizeof (nv_alloc_t), KM_SLEEP); + + if (bufsz == 0 || nv_alloc_init(nvhdl, nv_fixed_ops, buf, bufsz) != 0) { + kmem_free(nvhdl, sizeof (nv_alloc_t)); + return (NULL); + } + + return (nvhdl); +} + +/* + * Destroy a previously allocated nv_alloc structure. The fixed buffer + * associated with nva must be freed by the caller. + */ +void +fm_nva_xdestroy(nv_alloc_t *nva) +{ + nv_alloc_fini(nva); + kmem_free(nva, sizeof (nv_alloc_t)); +} + +/* + * Create a new nv list. A pointer to a new nv list structure is returned + * upon success or NULL is returned to indicate that the structure could + * not be created. The newly created nv list is created and managed by the + * operations installed in nva. If nva is NULL, the default FMA nva + * operations are installed and used. + * + * When called from the kernel and nva == NULL, this function must be called + * from passive kernel context with no locks held that can prevent a + * sleeping memory allocation from occurring. Otherwise, this function may + * be called from other kernel contexts as long a valid nva created via + * fm_nva_create() is supplied. + */ +nvlist_t * +fm_nvlist_create(nv_alloc_t *nva) +{ + int hdl_alloced = 0; + nvlist_t *nvl; + nv_alloc_t *nvhdl; + + if (nva == NULL) { + nvhdl = kmem_zalloc(sizeof (nv_alloc_t), KM_SLEEP); + + if (nv_alloc_init(nvhdl, &fm_mem_alloc_ops, NULL, 0) != 0) { + kmem_free(nvhdl, sizeof (nv_alloc_t)); + return (NULL); + } + hdl_alloced = 1; + } else { + nvhdl = nva; + } + + if (nvlist_xalloc(&nvl, NV_UNIQUE_NAME, nvhdl) != 0) { + if (hdl_alloced) { + nv_alloc_fini(nvhdl); + kmem_free(nvhdl, sizeof (nv_alloc_t)); + } + return (NULL); + } + + return (nvl); +} + +/* + * Destroy a previously allocated nvlist structure. flag indicates whether + * or not the associated nva structure should be freed (FM_NVA_FREE) or + * retained (FM_NVA_RETAIN). Retaining the nv alloc structure allows + * it to be re-used for future nvlist creation operations. + */ +void +fm_nvlist_destroy(nvlist_t *nvl, int flag) +{ + nv_alloc_t *nva = nvlist_lookup_nv_alloc(nvl); + + nvlist_free(nvl); + + if (nva != NULL) { + if (flag == FM_NVA_FREE) + fm_nva_xdestroy(nva); + } +} + +int +i_fm_payload_set(nvlist_t *payload, const char *name, va_list ap) +{ + int nelem, ret = 0; + data_type_t type; + + while (ret == 0 && name != NULL) { + type = va_arg(ap, data_type_t); + switch (type) { + case DATA_TYPE_BYTE: + ret = nvlist_add_byte(payload, name, + va_arg(ap, uint_t)); + break; + case DATA_TYPE_BYTE_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_byte_array(payload, name, + va_arg(ap, uchar_t *), nelem); + break; + case DATA_TYPE_BOOLEAN_VALUE: + ret = nvlist_add_boolean_value(payload, name, + va_arg(ap, boolean_t)); + break; + case DATA_TYPE_BOOLEAN_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_boolean_array(payload, name, + va_arg(ap, boolean_t *), nelem); + break; + case DATA_TYPE_INT8: + ret = nvlist_add_int8(payload, name, + va_arg(ap, int)); + break; + case DATA_TYPE_INT8_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_int8_array(payload, name, + va_arg(ap, int8_t *), nelem); + break; + case DATA_TYPE_UINT8: + ret = nvlist_add_uint8(payload, name, + va_arg(ap, uint_t)); + break; + case DATA_TYPE_UINT8_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_uint8_array(payload, name, + va_arg(ap, uint8_t *), nelem); + break; + case DATA_TYPE_INT16: + ret = nvlist_add_int16(payload, name, + va_arg(ap, int)); + break; + case DATA_TYPE_INT16_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_int16_array(payload, name, + va_arg(ap, int16_t *), nelem); + break; + case DATA_TYPE_UINT16: + ret = nvlist_add_uint16(payload, name, + va_arg(ap, uint_t)); + break; + case DATA_TYPE_UINT16_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_uint16_array(payload, name, + va_arg(ap, uint16_t *), nelem); + break; + case DATA_TYPE_INT32: + ret = nvlist_add_int32(payload, name, + va_arg(ap, int32_t)); + break; + case DATA_TYPE_INT32_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_int32_array(payload, name, + va_arg(ap, int32_t *), nelem); + break; + case DATA_TYPE_UINT32: + ret = nvlist_add_uint32(payload, name, + va_arg(ap, uint32_t)); + break; + case DATA_TYPE_UINT32_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_uint32_array(payload, name, + va_arg(ap, uint32_t *), nelem); + break; + case DATA_TYPE_INT64: + ret = nvlist_add_int64(payload, name, + va_arg(ap, int64_t)); + break; + case DATA_TYPE_INT64_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_int64_array(payload, name, + va_arg(ap, int64_t *), nelem); + break; + case DATA_TYPE_UINT64: + ret = nvlist_add_uint64(payload, name, + va_arg(ap, uint64_t)); + break; + case DATA_TYPE_UINT64_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_uint64_array(payload, name, + va_arg(ap, uint64_t *), nelem); + break; + case DATA_TYPE_STRING: + ret = nvlist_add_string(payload, name, + va_arg(ap, char *)); + break; + case DATA_TYPE_STRING_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_string_array(payload, name, + va_arg(ap, char **), nelem); + break; + case DATA_TYPE_NVLIST: + ret = nvlist_add_nvlist(payload, name, + va_arg(ap, nvlist_t *)); + break; + case DATA_TYPE_NVLIST_ARRAY: + nelem = va_arg(ap, int); + ret = nvlist_add_nvlist_array(payload, name, + va_arg(ap, nvlist_t **), nelem); + break; + default: + ret = EINVAL; + } + + name = va_arg(ap, char *); + } + return (ret); +} + +void +fm_payload_set(nvlist_t *payload, ...) +{ + int ret; + const char *name; + va_list ap; + + va_start(ap, payload); + name = va_arg(ap, char *); + ret = i_fm_payload_set(payload, name, ap); + va_end(ap); + + if (ret) + atomic_add_64( + &erpt_kstat_data.payload_set_failed.value.ui64, 1); +} + +/* + * Set-up and validate the members of an ereport event according to: + * + * Member name Type Value + * ==================================================== + * class string ereport + * version uint8_t 0 + * ena uint64_t + * detector nvlist_t + * ereport-payload nvlist_t + * + * We don't actually add a 'version' member to the payload. Really, + * the version quoted to us by our caller is that of the category 1 + * "ereport" event class (and we require FM_EREPORT_VERS0) but + * the payload version of the actual leaf class event under construction + * may be something else. Callers should supply a version in the varargs, + * or (better) we could take two version arguments - one for the + * ereport category 1 classification (expect FM_EREPORT_VERS0) and one + * for the leaf class. + */ +void +fm_ereport_set(nvlist_t *ereport, int version, const char *erpt_class, + uint64_t ena, const nvlist_t *detector, ...) +{ + char ereport_class[FM_MAX_CLASS]; + const char *name; + va_list ap; + int ret; + + if (version != FM_EREPORT_VERS0) { + atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); + return; + } + + (void) snprintf(ereport_class, FM_MAX_CLASS, "%s.%s", + FM_EREPORT_CLASS, erpt_class); + if (nvlist_add_string(ereport, FM_CLASS, ereport_class) != 0) { + atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); + return; + } + + if (nvlist_add_uint64(ereport, FM_EREPORT_ENA, ena)) { + atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); + } + + if (nvlist_add_nvlist(ereport, FM_EREPORT_DETECTOR, + (nvlist_t *)detector) != 0) { + atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); + } + + va_start(ap, detector); + name = va_arg(ap, const char *); + ret = i_fm_payload_set(ereport, name, ap); + va_end(ap); + + if (ret) + atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); +} + +/* + * Set-up and validate the members of an hc fmri according to; + * + * Member name Type Value + * =================================================== + * version uint8_t 0 + * auth nvlist_t + * hc-name string + * hc-id string + * + * Note that auth and hc-id are optional members. + */ + +#define HC_MAXPAIRS 20 +#define HC_MAXNAMELEN 50 + +static int +fm_fmri_hc_set_common(nvlist_t *fmri, int version, const nvlist_t *auth) +{ + if (version != FM_HC_SCHEME_VERSION) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return (0); + } + + if (nvlist_add_uint8(fmri, FM_VERSION, version) != 0 || + nvlist_add_string(fmri, FM_FMRI_SCHEME, FM_FMRI_SCHEME_HC) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return (0); + } + + if (auth != NULL && nvlist_add_nvlist(fmri, FM_FMRI_AUTHORITY, + (nvlist_t *)auth) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return (0); + } + + return (1); +} + +void +fm_fmri_hc_set(nvlist_t *fmri, int version, const nvlist_t *auth, + nvlist_t *snvl, int npairs, ...) +{ + nv_alloc_t *nva = nvlist_lookup_nv_alloc(fmri); + nvlist_t *pairs[HC_MAXPAIRS]; + va_list ap; + int i; + + if (!fm_fmri_hc_set_common(fmri, version, auth)) + return; + + npairs = MIN(npairs, HC_MAXPAIRS); + + va_start(ap, npairs); + for (i = 0; i < npairs; i++) { + const char *name = va_arg(ap, const char *); + uint32_t id = va_arg(ap, uint32_t); + char idstr[11]; + + (void) snprintf(idstr, sizeof (idstr), "%u", id); + + pairs[i] = fm_nvlist_create(nva); + if (nvlist_add_string(pairs[i], FM_FMRI_HC_NAME, name) != 0 || + nvlist_add_string(pairs[i], FM_FMRI_HC_ID, idstr) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + } + } + va_end(ap); + + if (nvlist_add_nvlist_array(fmri, FM_FMRI_HC_LIST, pairs, npairs) != 0) + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + + for (i = 0; i < npairs; i++) + fm_nvlist_destroy(pairs[i], FM_NVA_RETAIN); + + if (snvl != NULL) { + if (nvlist_add_nvlist(fmri, FM_FMRI_HC_SPECIFIC, snvl) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + } + } +} + +void +fm_fmri_hc_create(nvlist_t *fmri, int version, const nvlist_t *auth, + nvlist_t *snvl, nvlist_t *bboard, int npairs, ...) +{ + nv_alloc_t *nva = nvlist_lookup_nv_alloc(fmri); + nvlist_t *pairs[HC_MAXPAIRS]; + nvlist_t **hcl; + uint_t n; + int i, j; + va_list ap; + char *hcname, *hcid; + + if (!fm_fmri_hc_set_common(fmri, version, auth)) + return; + + /* + * copy the bboard nvpairs to the pairs array + */ + if (nvlist_lookup_nvlist_array(bboard, FM_FMRI_HC_LIST, &hcl, &n) + != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + for (i = 0; i < n; i++) { + if (nvlist_lookup_string(hcl[i], FM_FMRI_HC_NAME, + &hcname) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + if (nvlist_lookup_string(hcl[i], FM_FMRI_HC_ID, &hcid) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + pairs[i] = fm_nvlist_create(nva); + if (nvlist_add_string(pairs[i], FM_FMRI_HC_NAME, hcname) != 0 || + nvlist_add_string(pairs[i], FM_FMRI_HC_ID, hcid) != 0) { + for (j = 0; j <= i; j++) { + if (pairs[j] != NULL) + fm_nvlist_destroy(pairs[j], + FM_NVA_RETAIN); + } + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + } + + /* + * create the pairs from passed in pairs + */ + npairs = MIN(npairs, HC_MAXPAIRS); + + va_start(ap, npairs); + for (i = n; i < npairs + n; i++) { + const char *name = va_arg(ap, const char *); + uint32_t id = va_arg(ap, uint32_t); + char idstr[11]; + (void) snprintf(idstr, sizeof (idstr), "%u", id); + pairs[i] = fm_nvlist_create(nva); + if (nvlist_add_string(pairs[i], FM_FMRI_HC_NAME, name) != 0 || + nvlist_add_string(pairs[i], FM_FMRI_HC_ID, idstr) != 0) { + for (j = 0; j <= i; j++) { + if (pairs[j] != NULL) + fm_nvlist_destroy(pairs[j], + FM_NVA_RETAIN); + } + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + } + va_end(ap); + + /* + * Create the fmri hc list + */ + if (nvlist_add_nvlist_array(fmri, FM_FMRI_HC_LIST, pairs, + npairs + n) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + for (i = 0; i < npairs + n; i++) { + fm_nvlist_destroy(pairs[i], FM_NVA_RETAIN); + } + + if (snvl != NULL) { + if (nvlist_add_nvlist(fmri, FM_FMRI_HC_SPECIFIC, snvl) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + } +} + +/* + * Set-up and validate the members of an dev fmri according to: + * + * Member name Type Value + * ==================================================== + * version uint8_t 0 + * auth nvlist_t + * devpath string + * [devid] string + * [target-port-l0id] string + * + * Note that auth and devid are optional members. + */ +void +fm_fmri_dev_set(nvlist_t *fmri_dev, int version, const nvlist_t *auth, + const char *devpath, const char *devid, const char *tpl0) +{ + int err = 0; + + if (version != DEV_SCHEME_VERSION0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + err |= nvlist_add_uint8(fmri_dev, FM_VERSION, version); + err |= nvlist_add_string(fmri_dev, FM_FMRI_SCHEME, FM_FMRI_SCHEME_DEV); + + if (auth != NULL) { + err |= nvlist_add_nvlist(fmri_dev, FM_FMRI_AUTHORITY, + (nvlist_t *)auth); + } + + err |= nvlist_add_string(fmri_dev, FM_FMRI_DEV_PATH, devpath); + + if (devid != NULL) + err |= nvlist_add_string(fmri_dev, FM_FMRI_DEV_ID, devid); + + if (tpl0 != NULL) + err |= nvlist_add_string(fmri_dev, FM_FMRI_DEV_TGTPTLUN0, tpl0); + + if (err) + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + +} + +/* + * Set-up and validate the members of an cpu fmri according to: + * + * Member name Type Value + * ==================================================== + * version uint8_t 0 + * auth nvlist_t + * cpuid uint32_t + * cpumask uint8_t + * serial uint64_t + * + * Note that auth, cpumask, serial are optional members. + * + */ +void +fm_fmri_cpu_set(nvlist_t *fmri_cpu, int version, const nvlist_t *auth, + uint32_t cpu_id, uint8_t *cpu_maskp, const char *serial_idp) +{ + uint64_t *failedp = &erpt_kstat_data.fmri_set_failed.value.ui64; + + if (version < CPU_SCHEME_VERSION1) { + atomic_add_64(failedp, 1); + return; + } + + if (nvlist_add_uint8(fmri_cpu, FM_VERSION, version) != 0) { + atomic_add_64(failedp, 1); + return; + } + + if (nvlist_add_string(fmri_cpu, FM_FMRI_SCHEME, + FM_FMRI_SCHEME_CPU) != 0) { + atomic_add_64(failedp, 1); + return; + } + + if (auth != NULL && nvlist_add_nvlist(fmri_cpu, FM_FMRI_AUTHORITY, + (nvlist_t *)auth) != 0) + atomic_add_64(failedp, 1); + + if (nvlist_add_uint32(fmri_cpu, FM_FMRI_CPU_ID, cpu_id) != 0) + atomic_add_64(failedp, 1); + + if (cpu_maskp != NULL && nvlist_add_uint8(fmri_cpu, FM_FMRI_CPU_MASK, + *cpu_maskp) != 0) + atomic_add_64(failedp, 1); + + if (serial_idp == NULL || nvlist_add_string(fmri_cpu, + FM_FMRI_CPU_SERIAL_ID, (char *)serial_idp) != 0) + atomic_add_64(failedp, 1); +} + +/* + * Set-up and validate the members of a mem according to: + * + * Member name Type Value + * ==================================================== + * version uint8_t 0 + * auth nvlist_t [optional] + * unum string + * serial string [optional*] + * offset uint64_t [optional] + * + * * serial is required if offset is present + */ +void +fm_fmri_mem_set(nvlist_t *fmri, int version, const nvlist_t *auth, + const char *unum, const char *serial, uint64_t offset) +{ + if (version != MEM_SCHEME_VERSION0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + if (!serial && (offset != (uint64_t)-1)) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + if (nvlist_add_uint8(fmri, FM_VERSION, version) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + if (nvlist_add_string(fmri, FM_FMRI_SCHEME, FM_FMRI_SCHEME_MEM) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + if (auth != NULL) { + if (nvlist_add_nvlist(fmri, FM_FMRI_AUTHORITY, + (nvlist_t *)auth) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + } + } + + if (nvlist_add_string(fmri, FM_FMRI_MEM_UNUM, unum) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + } + + if (serial != NULL) { + if (nvlist_add_string_array(fmri, FM_FMRI_MEM_SERIAL_ID, + (char **)&serial, 1) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + } + if (offset != (uint64_t)-1) { + if (nvlist_add_uint64(fmri, FM_FMRI_MEM_OFFSET, + offset) != 0) { + atomic_add_64(&erpt_kstat_data. + fmri_set_failed.value.ui64, 1); + } + } + } +} + +void +fm_fmri_zfs_set(nvlist_t *fmri, int version, uint64_t pool_guid, + uint64_t vdev_guid) +{ + if (version != ZFS_SCHEME_VERSION0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + if (nvlist_add_uint8(fmri, FM_VERSION, version) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + if (nvlist_add_string(fmri, FM_FMRI_SCHEME, FM_FMRI_SCHEME_ZFS) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + return; + } + + if (nvlist_add_uint64(fmri, FM_FMRI_ZFS_POOL, pool_guid) != 0) { + atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); + } + + if (vdev_guid != 0) { + if (nvlist_add_uint64(fmri, FM_FMRI_ZFS_VDEV, vdev_guid) != 0) { + atomic_add_64( + &erpt_kstat_data.fmri_set_failed.value.ui64, 1); + } + } +} + +uint64_t +fm_ena_increment(uint64_t ena) +{ + uint64_t new_ena; + + switch (ENA_FORMAT(ena)) { + case FM_ENA_FMT1: + new_ena = ena + (1 << ENA_FMT1_GEN_SHFT); + break; + case FM_ENA_FMT2: + new_ena = ena + (1 << ENA_FMT2_GEN_SHFT); + break; + default: + new_ena = 0; + } + + return (new_ena); +} + +uint64_t +fm_ena_generate_cpu(uint64_t timestamp, processorid_t cpuid, uchar_t format) +{ + uint64_t ena = 0; + + switch (format) { + case FM_ENA_FMT1: + if (timestamp) { + ena = (uint64_t)((format & ENA_FORMAT_MASK) | + ((cpuid << ENA_FMT1_CPUID_SHFT) & + ENA_FMT1_CPUID_MASK) | + ((timestamp << ENA_FMT1_TIME_SHFT) & + ENA_FMT1_TIME_MASK)); + } else { + ena = (uint64_t)((format & ENA_FORMAT_MASK) | + ((cpuid << ENA_FMT1_CPUID_SHFT) & + ENA_FMT1_CPUID_MASK) | + ((gethrtime() << ENA_FMT1_TIME_SHFT) & + ENA_FMT1_TIME_MASK)); + } + break; + case FM_ENA_FMT2: + ena = (uint64_t)((format & ENA_FORMAT_MASK) | + ((timestamp << ENA_FMT2_TIME_SHFT) & ENA_FMT2_TIME_MASK)); + break; + default: + break; + } + + return (ena); +} + +uint64_t +fm_ena_generate(uint64_t timestamp, uchar_t format) +{ + uint64_t ena; + + kpreempt_disable(); + ena = fm_ena_generate_cpu(timestamp, getcpuid(), format); + kpreempt_enable(); + + return (ena); +} + +uint64_t +fm_ena_generation_get(uint64_t ena) +{ + uint64_t gen; + + switch (ENA_FORMAT(ena)) { + case FM_ENA_FMT1: + gen = (ena & ENA_FMT1_GEN_MASK) >> ENA_FMT1_GEN_SHFT; + break; + case FM_ENA_FMT2: + gen = (ena & ENA_FMT2_GEN_MASK) >> ENA_FMT2_GEN_SHFT; + break; + default: + gen = 0; + break; + } + + return (gen); +} + +uchar_t +fm_ena_format_get(uint64_t ena) +{ + + return (ENA_FORMAT(ena)); +} + +uint64_t +fm_ena_id_get(uint64_t ena) +{ + uint64_t id; + + switch (ENA_FORMAT(ena)) { + case FM_ENA_FMT1: + id = (ena & ENA_FMT1_ID_MASK) >> ENA_FMT1_ID_SHFT; + break; + case FM_ENA_FMT2: + id = (ena & ENA_FMT2_ID_MASK) >> ENA_FMT2_ID_SHFT; + break; + default: + id = 0; + } + + return (id); +} + +uint64_t +fm_ena_time_get(uint64_t ena) +{ + uint64_t time; + + switch (ENA_FORMAT(ena)) { + case FM_ENA_FMT1: + time = (ena & ENA_FMT1_TIME_MASK) >> ENA_FMT1_TIME_SHFT; + break; + case FM_ENA_FMT2: + time = (ena & ENA_FMT2_TIME_MASK) >> ENA_FMT2_TIME_SHFT; + break; + default: + time = 0; + } + + return (time); +} + +#ifdef _KERNEL +void +fm_init(void) +{ + zevent_len_cur = 0; + zevent_flags = 0; + + if (zfs_zevent_len_max == 0) + zfs_zevent_len_max = ERPT_MAX_ERRS * MAX(max_ncpus, 4); + + /* Initialize zevent allocation and generation kstats */ + fm_ksp = kstat_create("zfs", 0, "fm", "misc", KSTAT_TYPE_NAMED, + sizeof (struct erpt_kstat) / sizeof (kstat_named_t), + KSTAT_FLAG_VIRTUAL); + + if (fm_ksp != NULL) { + fm_ksp->ks_data = &erpt_kstat_data; + kstat_install(fm_ksp); + } else { + cmn_err(CE_NOTE, "failed to create fm/misc kstat\n"); + } + + mutex_init(&zevent_lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&zevent_list, sizeof (zevent_t), + offsetof(zevent_t, ev_node)); + cv_init(&zevent_cv, NULL, CV_DEFAULT, NULL); +} + +void +fm_fini(void) +{ + int count; + + zfs_zevent_drain_all(&count); + + mutex_enter(&zevent_lock); + cv_broadcast(&zevent_cv); + + zevent_flags |= ZEVENT_SHUTDOWN; + while (zevent_waiters > 0) { + mutex_exit(&zevent_lock); + schedule(); + mutex_enter(&zevent_lock); + } + mutex_exit(&zevent_lock); + + cv_destroy(&zevent_cv); + list_destroy(&zevent_list); + mutex_destroy(&zevent_lock); + + if (fm_ksp != NULL) { + kstat_delete(fm_ksp); + fm_ksp = NULL; + } +} + +module_param(zfs_zevent_len_max, int, 0644); +MODULE_PARM_DESC(zfs_zevent_len_max, "Max event queue length"); + +module_param(zfs_zevent_cols, int, 0644); +MODULE_PARM_DESC(zfs_zevent_cols, "Max event column width"); + +module_param(zfs_zevent_console, int, 0644); +MODULE_PARM_DESC(zfs_zevent_console, "Log events to the console"); + +#endif /* _KERNEL */ diff --git a/zfs/module/zfs/gzip.c b/zfs/module/zfs/gzip.c new file mode 100644 index 000000000000..011fb918812a --- /dev/null +++ b/zfs/module/zfs/gzip.c @@ -0,0 +1,82 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + + + +#include +#include + +#ifdef _KERNEL + +#include +#include + +typedef size_t zlen_t; +#define compress_func z_compress_level +#define uncompress_func z_uncompress + +#else /* _KERNEL */ + +#include +#include + +typedef uLongf zlen_t; +#define compress_func compress2 +#define uncompress_func uncompress + +#endif + +size_t +gzip_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) +{ + zlen_t dstlen = d_len; + + ASSERT(d_len <= s_len); + + if (compress_func(d_start, &dstlen, s_start, s_len, n) != Z_OK) { + if (d_len != s_len) + return (s_len); + + bcopy(s_start, d_start, s_len); + return (s_len); + } + + return ((size_t) dstlen); +} + +/*ARGSUSED*/ +int +gzip_decompress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) +{ + zlen_t dstlen = d_len; + + ASSERT(d_len >= s_len); + + if (uncompress_func(d_start, &dstlen, s_start, s_len) != Z_OK) + return (-1); + + return (0); +} diff --git a/zfs/module/zfs/lz4.c b/zfs/module/zfs/lz4.c new file mode 100644 index 000000000000..cf406b9368ff --- /dev/null +++ b/zfs/module/zfs/lz4.c @@ -0,0 +1,1019 @@ +/* + * LZ4 - Fast LZ compression algorithm + * Header File + * Copyright (C) 2011-2013, Yann Collet. + * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You can contact the author at : + * - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html + * - LZ4 source repository : http://code.google.com/p/lz4/ + */ + +#include + +static int real_LZ4_compress(const char *source, char *dest, int isize, + int osize); +static int LZ4_uncompress_unknownOutputSize(const char *source, char *dest, + int isize, int maxOutputSize); +static int LZ4_compressCtx(void *ctx, const char *source, char *dest, + int isize, int osize); +static int LZ4_compress64kCtx(void *ctx, const char *source, char *dest, + int isize, int osize); + +static kmem_cache_t *lz4_cache; + +/*ARGSUSED*/ +size_t +lz4_compress_zfs(void *s_start, void *d_start, size_t s_len, + size_t d_len, int n) +{ + uint32_t bufsiz; + char *dest = d_start; + + ASSERT(d_len >= sizeof (bufsiz)); + + bufsiz = real_LZ4_compress(s_start, &dest[sizeof (bufsiz)], s_len, + d_len - sizeof (bufsiz)); + + /* Signal an error if the compression routine returned zero. */ + if (bufsiz == 0) + return (s_len); + + /* + * Encode the compresed buffer size at the start. We'll need this in + * decompression to counter the effects of padding which might be + * added to the compressed buffer and which, if unhandled, would + * confuse the hell out of our decompression function. + */ + *(uint32_t *)dest = BE_32(bufsiz); + + return (bufsiz + sizeof (bufsiz)); +} + +/*ARGSUSED*/ +int +lz4_decompress_zfs(void *s_start, void *d_start, size_t s_len, + size_t d_len, int n) +{ + const char *src = s_start; + uint32_t bufsiz = BE_IN32(src); + + /* invalid compressed buffer size encoded at start */ + if (bufsiz + sizeof (bufsiz) > s_len) + return (1); + + /* + * Returns 0 on success (decompression function returned non-negative) + * and non-zero on failure (decompression function returned negative. + */ + return (LZ4_uncompress_unknownOutputSize(&src[sizeof (bufsiz)], + d_start, bufsiz, d_len) < 0); +} + +/* + * LZ4 API Description: + * + * Simple Functions: + * real_LZ4_compress() : + * isize : is the input size. Max supported value is ~1.9GB + * return : the number of bytes written in buffer dest + * or 0 if the compression fails (if LZ4_COMPRESSMIN is set). + * note : destination buffer must be already allocated. + * destination buffer must be sized to handle worst cases + * situations (input data not compressible) worst case size + * evaluation is provided by function LZ4_compressBound(). + * + * real_LZ4_uncompress() : + * osize : is the output size, therefore the original size + * return : the number of bytes read in the source buffer. + * If the source stream is malformed, the function will stop + * decoding and return a negative result, indicating the byte + * position of the faulty instruction. This function never + * writes beyond dest + osize, and is therefore protected + * against malicious data packets. + * note : destination buffer must be already allocated + * note : real_LZ4_uncompress() is not used in ZFS so its code + * is not present here. + * + * Advanced Functions + * + * LZ4_compressBound() : + * Provides the maximum size that LZ4 may output in a "worst case" + * scenario (input data not compressible) primarily useful for memory + * allocation of output buffer. + * + * isize : is the input size. Max supported value is ~1.9GB + * return : maximum output size in a "worst case" scenario + * note : this function is limited by "int" range (2^31-1) + * + * LZ4_uncompress_unknownOutputSize() : + * isize : is the input size, therefore the compressed size + * maxOutputSize : is the size of the destination buffer (which must be + * already allocated) + * return : the number of bytes decoded in the destination buffer + * (necessarily <= maxOutputSize). If the source stream is + * malformed, the function will stop decoding and return a + * negative result, indicating the byte position of the faulty + * instruction. This function never writes beyond dest + + * maxOutputSize, and is therefore protected against malicious + * data packets. + * note : Destination buffer must be already allocated. + * This version is slightly slower than real_LZ4_uncompress() + * + * LZ4_compressCtx() : + * This function explicitly handles the CTX memory structure. + * + * ILLUMOS CHANGES: the CTX memory structure must be explicitly allocated + * by the caller (either on the stack or using kmem_cache_alloc). Passing + * NULL isn't valid. + * + * LZ4_compress64kCtx() : + * Same as LZ4_compressCtx(), but specific to small inputs (<64KB). + * isize *Must* be <64KB, otherwise the output will be corrupted. + * + * ILLUMOS CHANGES: the CTX memory structure must be explicitly allocated + * by the caller (either on the stack or using kmem_cache_alloc). Passing + * NULL isn't valid. + */ + +/* + * Tuning parameters + */ + +/* + * COMPRESSIONLEVEL: Increasing this value improves compression ratio + * Lowering this value reduces memory usage. Reduced memory usage + * typically improves speed, due to cache effect (ex: L1 32KB for Intel, + * L1 64KB for AMD). Memory usage formula : N->2^(N+2) Bytes + * (examples : 12 -> 16KB ; 17 -> 512KB) + */ +#define COMPRESSIONLEVEL 12 + +/* + * NOTCOMPRESSIBLE_CONFIRMATION: Decreasing this value will make the + * algorithm skip faster data segments considered "incompressible". + * This may decrease compression ratio dramatically, but will be + * faster on incompressible data. Increasing this value will make + * the algorithm search more before declaring a segment "incompressible". + * This could improve compression a bit, but will be slower on + * incompressible data. The default value (6) is recommended. + */ +#define NOTCOMPRESSIBLE_CONFIRMATION 6 + +/* + * BIG_ENDIAN_NATIVE_BUT_INCOMPATIBLE: This will provide a boost to + * performance for big endian cpu, but the resulting compressed stream + * will be incompatible with little-endian CPU. You can set this option + * to 1 in situations where data will stay within closed environment. + * This option is useless on Little_Endian CPU (such as x86). + */ +/* #define BIG_ENDIAN_NATIVE_BUT_INCOMPATIBLE 1 */ + +/* + * CPU Feature Detection + */ + +/* 32 or 64 bits ? */ +#if defined(_LP64) +#define LZ4_ARCH64 1 +#else +#define LZ4_ARCH64 0 +#endif + +/* + * Little Endian or Big Endian? + * Note: overwrite the below #define if you know your architecture endianess. + */ +#if defined(_BIG_ENDIAN) +#define LZ4_BIG_ENDIAN 1 +#else +/* + * Little Endian assumed. PDP Endian and other very rare endian format + * are unsupported. + */ +#undef LZ4_BIG_ENDIAN +#endif + +/* + * Unaligned memory access is automatically enabled for "common" CPU, + * such as x86. For others CPU, the compiler will be more cautious, and + * insert extra code to ensure aligned access is respected. If you know + * your target CPU supports unaligned memory access, you may want to + * force this option manually to improve performance + */ +#if defined(__ARM_FEATURE_UNALIGNED) +#define LZ4_FORCE_UNALIGNED_ACCESS 1 +#endif + +/* + * Illumos : we can't use GCC's __builtin_ctz family of builtins in the + * kernel + * Linux : we can use GCC's __builtin_ctz family of builtins in the + * kernel + */ +#undef LZ4_FORCE_SW_BITCOUNT +#if defined(__sparc) +#define LZ4_FORCE_SW_BITCOUNT +#endif + +/* + * Compiler Options + */ +/* Disable restrict */ +#define restrict + +/* + * Linux : GCC_VERSION is defined as of 3.9-rc1, so undefine it. + * torvalds/linux@3f3f8d2f48acfd8ed3b8e6b7377935da57b27b16 + */ +#ifdef GCC_VERSION +#undef GCC_VERSION +#endif + +#define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) + +#if (GCC_VERSION >= 302) || (__INTEL_COMPILER >= 800) || defined(__clang__) +#define expect(expr, value) (__builtin_expect((expr), (value))) +#else +#define expect(expr, value) (expr) +#endif + +#ifndef likely +#define likely(expr) expect((expr) != 0, 1) +#endif + +#ifndef unlikely +#define unlikely(expr) expect((expr) != 0, 0) +#endif + +#define lz4_bswap16(x) ((unsigned short int) ((((x) >> 8) & 0xffu) | \ + (((x) & 0xffu) << 8))) + +/* Basic types */ +#define BYTE uint8_t +#define U16 uint16_t +#define U32 uint32_t +#define S32 int32_t +#define U64 uint64_t + +#ifndef LZ4_FORCE_UNALIGNED_ACCESS +#pragma pack(1) +#endif + +typedef struct _U16_S { + U16 v; +} U16_S; +typedef struct _U32_S { + U32 v; +} U32_S; +typedef struct _U64_S { + U64 v; +} U64_S; + +#ifndef LZ4_FORCE_UNALIGNED_ACCESS +#pragma pack() +#endif + +#define A64(x) (((U64_S *)(x))->v) +#define A32(x) (((U32_S *)(x))->v) +#define A16(x) (((U16_S *)(x))->v) + +/* + * Constants + */ +#define MINMATCH 4 + +#define HASH_LOG COMPRESSIONLEVEL +#define HASHTABLESIZE (1 << HASH_LOG) +#define HASH_MASK (HASHTABLESIZE - 1) + +#define SKIPSTRENGTH (NOTCOMPRESSIBLE_CONFIRMATION > 2 ? \ + NOTCOMPRESSIBLE_CONFIRMATION : 2) + +#define COPYLENGTH 8 +#define LASTLITERALS 5 +#define MFLIMIT (COPYLENGTH + MINMATCH) +#define MINLENGTH (MFLIMIT + 1) + +#define MAXD_LOG 16 +#define MAX_DISTANCE ((1 << MAXD_LOG) - 1) + +#define ML_BITS 4 +#define ML_MASK ((1U<> ((MINMATCH * 8) - \ + HASH_LOG)) +#define LZ4_HASH_VALUE(p) LZ4_HASH_FUNCTION(A32(p)) +#define LZ4_WILDCOPY(s, d, e) do { LZ4_COPYPACKET(s, d) } while (d < e); +#define LZ4_BLINDCOPY(s, d, l) { BYTE* e = (d) + l; LZ4_WILDCOPY(s, d, e); \ + d = e; } + + +/* Private functions */ +#if LZ4_ARCH64 + +static inline int +LZ4_NbCommonBytes(register U64 val) +{ +#if defined(LZ4_BIG_ENDIAN) +#if defined(__GNUC__) && (GCC_VERSION >= 304) && \ + !defined(LZ4_FORCE_SW_BITCOUNT) + return (__builtin_clzll(val) >> 3); +#else + int r; + if (!(val >> 32)) { + r = 4; + } else { + r = 0; + val >>= 32; + } + if (!(val >> 16)) { + r += 2; + val >>= 8; + } else { + val >>= 24; + } + r += (!val); + return (r); +#endif +#else +#if defined(__GNUC__) && (GCC_VERSION >= 304) && \ + !defined(LZ4_FORCE_SW_BITCOUNT) + return (__builtin_ctzll(val) >> 3); +#else + static const int DeBruijnBytePos[64] = + { 0, 0, 0, 0, 0, 1, 1, 2, 0, 3, 1, 3, 1, 4, 2, 7, 0, 2, 3, 6, 1, 5, + 3, 5, 1, 3, 4, 4, 2, 5, 6, 7, 7, 0, 1, 2, 3, 3, 4, 6, 2, 6, 5, + 5, 3, 4, 5, 6, 7, 1, 2, 4, 6, 4, + 4, 5, 7, 2, 6, 5, 7, 6, 7, 7 + }; + return DeBruijnBytePos[((U64) ((val & -val) * 0x0218A392CDABBD3F)) >> + 58]; +#endif +#endif +} + +#else + +static inline int +LZ4_NbCommonBytes(register U32 val) +{ +#if defined(LZ4_BIG_ENDIAN) +#if defined(__GNUC__) && (GCC_VERSION >= 304) && \ + !defined(LZ4_FORCE_SW_BITCOUNT) + return (__builtin_clz(val) >> 3); +#else + int r; + if (!(val >> 16)) { + r = 2; + val >>= 8; + } else { + r = 0; + val >>= 24; + } + r += (!val); + return (r); +#endif +#else +#if defined(__GNUC__) && (GCC_VERSION >= 304) && \ + !defined(LZ4_FORCE_SW_BITCOUNT) + return (__builtin_ctz(val) >> 3); +#else + static const int DeBruijnBytePos[32] = { + 0, 0, 3, 0, 3, 1, 3, 0, + 3, 2, 2, 1, 3, 2, 0, 1, + 3, 3, 1, 2, 2, 2, 2, 0, + 3, 1, 2, 0, 1, 0, 1, 1 + }; + return DeBruijnBytePos[((U32) ((val & -(S32) val) * 0x077CB531U)) >> + 27]; +#endif +#endif +} + +#endif + +/* Compression functions */ + +/*ARGSUSED*/ +static int +LZ4_compressCtx(void *ctx, const char *source, char *dest, int isize, + int osize) +{ + struct refTables *srt = (struct refTables *)ctx; + HTYPE *HashTable = (HTYPE *) (srt->hashTable); + + const BYTE *ip = (BYTE *) source; + INITBASE(base); + const BYTE *anchor = ip; + const BYTE *const iend = ip + isize; + const BYTE *const oend = (BYTE *) dest + osize; + const BYTE *const mflimit = iend - MFLIMIT; +#define matchlimit (iend - LASTLITERALS) + + BYTE *op = (BYTE *) dest; + + int len, length; + const int skipStrength = SKIPSTRENGTH; + U32 forwardH; + + + /* Init */ + if (isize < MINLENGTH) + goto _last_literals; + + /* First Byte */ + HashTable[LZ4_HASH_VALUE(ip)] = ip - base; + ip++; + forwardH = LZ4_HASH_VALUE(ip); + + /* Main Loop */ + for (;;) { + int findMatchAttempts = (1U << skipStrength) + 3; + const BYTE *forwardIp = ip; + const BYTE *ref; + BYTE *token; + + /* Find a match */ + do { + U32 h = forwardH; + int step = findMatchAttempts++ >> skipStrength; + ip = forwardIp; + forwardIp = ip + step; + + if (unlikely(forwardIp > mflimit)) { + goto _last_literals; + } + + forwardH = LZ4_HASH_VALUE(forwardIp); + ref = base + HashTable[h]; + HashTable[h] = ip - base; + + } while ((ref < ip - MAX_DISTANCE) || (A32(ref) != A32(ip))); + + /* Catch up */ + while ((ip > anchor) && (ref > (BYTE *) source) && + unlikely(ip[-1] == ref[-1])) { + ip--; + ref--; + } + + /* Encode Literal length */ + length = ip - anchor; + token = op++; + + /* Check output limit */ + if (unlikely(op + length + (2 + 1 + LASTLITERALS) + + (length >> 8) > oend)) + return (0); + + if (length >= (int)RUN_MASK) { + *token = (RUN_MASK << ML_BITS); + len = length - RUN_MASK; + for (; len > 254; len -= 255) + *op++ = 255; + *op++ = (BYTE)len; + } else + *token = (length << ML_BITS); + + /* Copy Literals */ + LZ4_BLINDCOPY(anchor, op, length); + + _next_match: + /* Encode Offset */ + LZ4_WRITE_LITTLEENDIAN_16(op, ip - ref); + + /* Start Counting */ + ip += MINMATCH; + ref += MINMATCH; /* MinMatch verified */ + anchor = ip; + while (likely(ip < matchlimit - (STEPSIZE - 1))) { + UARCH diff = AARCH(ref) ^ AARCH(ip); + if (!diff) { + ip += STEPSIZE; + ref += STEPSIZE; + continue; + } + ip += LZ4_NbCommonBytes(diff); + goto _endCount; + } +#if LZ4_ARCH64 + if ((ip < (matchlimit - 3)) && (A32(ref) == A32(ip))) { + ip += 4; + ref += 4; + } +#endif + if ((ip < (matchlimit - 1)) && (A16(ref) == A16(ip))) { + ip += 2; + ref += 2; + } + if ((ip < matchlimit) && (*ref == *ip)) + ip++; + _endCount: + + /* Encode MatchLength */ + len = (ip - anchor); + /* Check output limit */ + if (unlikely(op + (1 + LASTLITERALS) + (len >> 8) > oend)) + return (0); + if (len >= (int)ML_MASK) { + *token += ML_MASK; + len -= ML_MASK; + for (; len > 509; len -= 510) { + *op++ = 255; + *op++ = 255; + } + if (len > 254) { + len -= 255; + *op++ = 255; + } + *op++ = (BYTE)len; + } else + *token += len; + + /* Test end of chunk */ + if (ip > mflimit) { + anchor = ip; + break; + } + /* Fill table */ + HashTable[LZ4_HASH_VALUE(ip - 2)] = ip - 2 - base; + + /* Test next position */ + ref = base + HashTable[LZ4_HASH_VALUE(ip)]; + HashTable[LZ4_HASH_VALUE(ip)] = ip - base; + if ((ref > ip - (MAX_DISTANCE + 1)) && (A32(ref) == A32(ip))) { + token = op++; + *token = 0; + goto _next_match; + } + /* Prepare next loop */ + anchor = ip++; + forwardH = LZ4_HASH_VALUE(ip); + } + + _last_literals: + /* Encode Last Literals */ + { + int lastRun = iend - anchor; + if (op + lastRun + 1 + ((lastRun + 255 - RUN_MASK) / 255) > + oend) + return (0); + if (lastRun >= (int)RUN_MASK) { + *op++ = (RUN_MASK << ML_BITS); + lastRun -= RUN_MASK; + for (; lastRun > 254; lastRun -= 255) { + *op++ = 255; + } + *op++ = (BYTE)lastRun; + } else + *op++ = (lastRun << ML_BITS); + (void) memcpy(op, anchor, iend - anchor); + op += iend - anchor; + } + + /* End */ + return (int)(((char *)op) - dest); +} + + + +/* Note : this function is valid only if isize < LZ4_64KLIMIT */ +#define LZ4_64KLIMIT ((1 << 16) + (MFLIMIT - 1)) +#define HASHLOG64K (HASH_LOG + 1) +#define HASH64KTABLESIZE (1U << HASHLOG64K) +#define LZ4_HASH64K_FUNCTION(i) (((i) * 2654435761U) >> ((MINMATCH*8) - \ + HASHLOG64K)) +#define LZ4_HASH64K_VALUE(p) LZ4_HASH64K_FUNCTION(A32(p)) + +/*ARGSUSED*/ +static int +LZ4_compress64kCtx(void *ctx, const char *source, char *dest, int isize, + int osize) +{ + struct refTables *srt = (struct refTables *)ctx; + U16 *HashTable = (U16 *) (srt->hashTable); + + const BYTE *ip = (BYTE *) source; + const BYTE *anchor = ip; + const BYTE *const base = ip; + const BYTE *const iend = ip + isize; + const BYTE *const oend = (BYTE *) dest + osize; + const BYTE *const mflimit = iend - MFLIMIT; +#define matchlimit (iend - LASTLITERALS) + + BYTE *op = (BYTE *) dest; + + int len, length; + const int skipStrength = SKIPSTRENGTH; + U32 forwardH; + + /* Init */ + if (isize < MINLENGTH) + goto _last_literals; + + /* First Byte */ + ip++; + forwardH = LZ4_HASH64K_VALUE(ip); + + /* Main Loop */ + for (;;) { + int findMatchAttempts = (1U << skipStrength) + 3; + const BYTE *forwardIp = ip; + const BYTE *ref; + BYTE *token; + + /* Find a match */ + do { + U32 h = forwardH; + int step = findMatchAttempts++ >> skipStrength; + ip = forwardIp; + forwardIp = ip + step; + + if (forwardIp > mflimit) { + goto _last_literals; + } + + forwardH = LZ4_HASH64K_VALUE(forwardIp); + ref = base + HashTable[h]; + HashTable[h] = ip - base; + + } while (A32(ref) != A32(ip)); + + /* Catch up */ + while ((ip > anchor) && (ref > (BYTE *) source) && + (ip[-1] == ref[-1])) { + ip--; + ref--; + } + + /* Encode Literal length */ + length = ip - anchor; + token = op++; + + /* Check output limit */ + if (unlikely(op + length + (2 + 1 + LASTLITERALS) + + (length >> 8) > oend)) + return (0); + + if (length >= (int)RUN_MASK) { + *token = (RUN_MASK << ML_BITS); + len = length - RUN_MASK; + for (; len > 254; len -= 255) + *op++ = 255; + *op++ = (BYTE)len; + } else + *token = (length << ML_BITS); + + /* Copy Literals */ + LZ4_BLINDCOPY(anchor, op, length); + + _next_match: + /* Encode Offset */ + LZ4_WRITE_LITTLEENDIAN_16(op, ip - ref); + + /* Start Counting */ + ip += MINMATCH; + ref += MINMATCH; /* MinMatch verified */ + anchor = ip; + while (ip < matchlimit - (STEPSIZE - 1)) { + UARCH diff = AARCH(ref) ^ AARCH(ip); + if (!diff) { + ip += STEPSIZE; + ref += STEPSIZE; + continue; + } + ip += LZ4_NbCommonBytes(diff); + goto _endCount; + } +#if LZ4_ARCH64 + if ((ip < (matchlimit - 3)) && (A32(ref) == A32(ip))) { + ip += 4; + ref += 4; + } +#endif + if ((ip < (matchlimit - 1)) && (A16(ref) == A16(ip))) { + ip += 2; + ref += 2; + } + if ((ip < matchlimit) && (*ref == *ip)) + ip++; + _endCount: + + /* Encode MatchLength */ + len = (ip - anchor); + /* Check output limit */ + if (unlikely(op + (1 + LASTLITERALS) + (len >> 8) > oend)) + return (0); + if (len >= (int)ML_MASK) { + *token += ML_MASK; + len -= ML_MASK; + for (; len > 509; len -= 510) { + *op++ = 255; + *op++ = 255; + } + if (len > 254) { + len -= 255; + *op++ = 255; + } + *op++ = (BYTE)len; + } else + *token += len; + + /* Test end of chunk */ + if (ip > mflimit) { + anchor = ip; + break; + } + /* Fill table */ + HashTable[LZ4_HASH64K_VALUE(ip - 2)] = ip - 2 - base; + + /* Test next position */ + ref = base + HashTable[LZ4_HASH64K_VALUE(ip)]; + HashTable[LZ4_HASH64K_VALUE(ip)] = ip - base; + if (A32(ref) == A32(ip)) { + token = op++; + *token = 0; + goto _next_match; + } + /* Prepare next loop */ + anchor = ip++; + forwardH = LZ4_HASH64K_VALUE(ip); + } + + _last_literals: + /* Encode Last Literals */ + { + int lastRun = iend - anchor; + if (op + lastRun + 1 + ((lastRun + 255 - RUN_MASK) / 255) > + oend) + return (0); + if (lastRun >= (int)RUN_MASK) { + *op++ = (RUN_MASK << ML_BITS); + lastRun -= RUN_MASK; + for (; lastRun > 254; lastRun -= 255) + *op++ = 255; + *op++ = (BYTE)lastRun; + } else + *op++ = (lastRun << ML_BITS); + (void) memcpy(op, anchor, iend - anchor); + op += iend - anchor; + } + + /* End */ + return (int)(((char *)op) - dest); +} + +static int +real_LZ4_compress(const char *source, char *dest, int isize, int osize) +{ + void *ctx; + int result; + + ASSERT(lz4_cache != NULL); + ctx = kmem_cache_alloc(lz4_cache, KM_SLEEP); + + /* + * out of kernel memory, gently fall through - this will disable + * compression in zio_compress_data + */ + if (ctx == NULL) + return (0); + + memset(ctx, 0, sizeof (struct refTables)); + + if (isize < LZ4_64KLIMIT) + result = LZ4_compress64kCtx(ctx, source, dest, isize, osize); + else + result = LZ4_compressCtx(ctx, source, dest, isize, osize); + + kmem_cache_free(lz4_cache, ctx); + return (result); +} + +/* Decompression functions */ + +/* + * Note: The decoding functions real_LZ4_uncompress() and + * LZ4_uncompress_unknownOutputSize() are safe against "buffer overflow" + * attack type. They will never write nor read outside of the provided + * output buffers. LZ4_uncompress_unknownOutputSize() also insures that + * it will never read outside of the input buffer. A corrupted input + * will produce an error result, a negative int, indicating the position + * of the error within input stream. + * + * Note[2]: real_LZ4_uncompress(), referred to above, is not used in ZFS so + * its code is not present here. + */ + +static int +LZ4_uncompress_unknownOutputSize(const char *source, char *dest, int isize, + int maxOutputSize) +{ + /* Local Variables */ + const BYTE *restrict ip = (const BYTE *) source; + const BYTE *const iend = ip + isize; + const BYTE *ref; + + BYTE *op = (BYTE *) dest; + BYTE *const oend = op + maxOutputSize; + BYTE *cpy; + + size_t dec32table[] = {0, 3, 2, 3, 0, 0, 0, 0}; +#if LZ4_ARCH64 + size_t dec64table[] = {0, 0, 0, (size_t)-1, 0, 1, 2, 3}; +#endif + + /* Main Loop */ + while (ip < iend) { + unsigned token; + size_t length; + + /* get runlength */ + token = *ip++; + if ((length = (token >> ML_BITS)) == RUN_MASK) { + int s = 255; + while ((ip < iend) && (s == 255)) { + s = *ip++; + length += s; + } + } + /* copy literals */ + cpy = op + length; + /* CORNER-CASE: cpy might overflow. */ + if (cpy < op) + goto _output_error; /* cpy was overflowed, bail! */ + if ((cpy > oend - COPYLENGTH) || + (ip + length > iend - COPYLENGTH)) { + if (cpy > oend) + /* Error: writes beyond output buffer */ + goto _output_error; + if (ip + length != iend) + /* + * Error: LZ4 format requires to consume all + * input at this stage + */ + goto _output_error; + (void) memcpy(op, ip, length); + op += length; + /* Necessarily EOF, due to parsing restrictions */ + break; + } + LZ4_WILDCOPY(ip, op, cpy); + ip -= (op - cpy); + op = cpy; + + /* get offset */ + LZ4_READ_LITTLEENDIAN_16(ref, cpy, ip); + ip += 2; + if (ref < (BYTE * const) dest) + /* + * Error: offset creates reference outside of + * destination buffer + */ + goto _output_error; + + /* get matchlength */ + if ((length = (token & ML_MASK)) == ML_MASK) { + while (ip < iend) { + int s = *ip++; + length += s; + if (s == 255) + continue; + break; + } + } + /* copy repeated sequence */ + if (unlikely(op - ref < STEPSIZE)) { +#if LZ4_ARCH64 + size_t dec64 = dec64table[op-ref]; +#else + const int dec64 = 0; +#endif + op[0] = ref[0]; + op[1] = ref[1]; + op[2] = ref[2]; + op[3] = ref[3]; + op += 4; + ref += 4; + ref -= dec32table[op-ref]; + A32(op) = A32(ref); + op += STEPSIZE - 4; + ref -= dec64; + } else { + LZ4_COPYSTEP(ref, op); + } + cpy = op + length - (STEPSIZE - 4); + if (cpy > oend - COPYLENGTH) { + if (cpy > oend) + /* + * Error: request to write outside of + * destination buffer + */ + goto _output_error; + LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH)); + while (op < cpy) + *op++ = *ref++; + op = cpy; + if (op == oend) + /* + * Check EOF (should never happen, since + * last 5 bytes are supposed to be literals) + */ + goto _output_error; + continue; + } + LZ4_SECURECOPY(ref, op, cpy); + op = cpy; /* correction */ + } + + /* end of decoding */ + return (int)(((char *)op) - dest); + + /* write overflow error detected */ + _output_error: + return (int)(-(((char *)ip) - source)); +} + +void +lz4_init(void) +{ + lz4_cache = kmem_cache_create("lz4_cache", + sizeof (struct refTables), 0, NULL, NULL, NULL, NULL, NULL, 0); +} + +void +lz4_fini(void) +{ + if (lz4_cache) { + kmem_cache_destroy(lz4_cache); + lz4_cache = NULL; + } +} diff --git a/zfs/module/zfs/lzjb.c b/zfs/module/zfs/lzjb.c new file mode 100644 index 000000000000..ae18467011cb --- /dev/null +++ b/zfs/module/zfs/lzjb.c @@ -0,0 +1,131 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +/* + * We keep our own copy of this algorithm for 3 main reasons: + * 1. If we didn't, anyone modifying common/os/compress.c would + * directly break our on disk format + * 2. Our version of lzjb does not have a number of checks that the + * common/os version needs and uses + * 3. We initialize the lempel to ensure deterministic results, + * so that identical blocks can always be deduplicated. + * In particular, we are adding the "feature" that compress() can + * take a destination buffer size and returns the compressed length, or the + * source length if compression would overflow the destination buffer. + */ + +#include + +#define MATCH_BITS 6 +#define MATCH_MIN 3 +#define MATCH_MAX ((1 << MATCH_BITS) + (MATCH_MIN - 1)) +#define OFFSET_MASK ((1 << (16 - MATCH_BITS)) - 1) +#define LEMPEL_SIZE 1024 + +/*ARGSUSED*/ +size_t +lzjb_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) +{ + uchar_t *src = s_start; + uchar_t *dst = d_start; + uchar_t *cpy; + uchar_t *copymap = NULL; + int copymask = 1 << (NBBY - 1); + int mlen, offset, hash; + uint16_t *hp; + uint16_t *lempel; + + lempel = kmem_zalloc(LEMPEL_SIZE * sizeof (uint16_t), KM_SLEEP); + while (src < (uchar_t *)s_start + s_len) { + if ((copymask <<= 1) == (1 << NBBY)) { + if (dst >= (uchar_t *)d_start + d_len - 1 - 2 * NBBY) { + kmem_free(lempel, + LEMPEL_SIZE*sizeof (uint16_t)); + return (s_len); + } + copymask = 1; + copymap = dst; + *dst++ = 0; + } + if (src > (uchar_t *)s_start + s_len - MATCH_MAX) { + *dst++ = *src++; + continue; + } + hash = (src[0] << 16) + (src[1] << 8) + src[2]; + hash += hash >> 9; + hash += hash >> 5; + hp = &lempel[hash & (LEMPEL_SIZE - 1)]; + offset = (intptr_t)(src - *hp) & OFFSET_MASK; + *hp = (uint16_t)(uintptr_t)src; + cpy = src - offset; + if (cpy >= (uchar_t *)s_start && cpy != src && + src[0] == cpy[0] && src[1] == cpy[1] && src[2] == cpy[2]) { + *copymap |= copymask; + for (mlen = MATCH_MIN; mlen < MATCH_MAX; mlen++) + if (src[mlen] != cpy[mlen]) + break; + *dst++ = ((mlen - MATCH_MIN) << (NBBY - MATCH_BITS)) | + (offset >> NBBY); + *dst++ = (uchar_t)offset; + src += mlen; + } else { + *dst++ = *src++; + } + } + + kmem_free(lempel, LEMPEL_SIZE * sizeof (uint16_t)); + return (dst - (uchar_t *)d_start); +} + +/*ARGSUSED*/ +int +lzjb_decompress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) +{ + uchar_t *src = s_start; + uchar_t *dst = d_start; + uchar_t *d_end = (uchar_t *)d_start + d_len; + uchar_t *cpy; + uchar_t copymap = 0; + int copymask = 1 << (NBBY - 1); + + while (dst < d_end) { + if ((copymask <<= 1) == (1 << NBBY)) { + copymask = 1; + copymap = *src++; + } + if (copymap & copymask) { + int mlen = (src[0] >> (NBBY - MATCH_BITS)) + MATCH_MIN; + int offset = ((src[0] << NBBY) | src[1]) & OFFSET_MASK; + src += 2; + if ((cpy = dst - offset) < (uchar_t *)d_start) + return (-1); + while (--mlen >= 0 && dst < d_end) + *dst++ = *cpy++; + } else { + *dst++ = *src++; + } + } + return (0); +} diff --git a/zfs/module/zfs/metaslab.c b/zfs/module/zfs/metaslab.c new file mode 100644 index 000000000000..59bcefd346c0 --- /dev/null +++ b/zfs/module/zfs/metaslab.c @@ -0,0 +1,2745 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define WITH_DF_BLOCK_ALLOCATOR + +/* + * Allow allocations to switch to gang blocks quickly. We do this to + * avoid having to load lots of space_maps in a given txg. There are, + * however, some cases where we want to avoid "fast" ganging and instead + * we want to do an exhaustive search of all metaslabs on this device. + * Currently we don't allow any gang, slog, or dump device related allocations + * to "fast" gang. + */ +#define CAN_FASTGANG(flags) \ + (!((flags) & (METASLAB_GANG_CHILD | METASLAB_GANG_HEADER | \ + METASLAB_GANG_AVOID))) + +#define METASLAB_WEIGHT_PRIMARY (1ULL << 63) +#define METASLAB_WEIGHT_SECONDARY (1ULL << 62) +#define METASLAB_ACTIVE_MASK \ + (METASLAB_WEIGHT_PRIMARY | METASLAB_WEIGHT_SECONDARY) + +/* + * Metaslab granularity, in bytes. This is roughly similar to what would be + * referred to as the "stripe size" in traditional RAID arrays. In normal + * operation, we will try to write this amount of data to a top-level vdev + * before moving on to the next one. + */ +unsigned long metaslab_aliquot = 512 << 10; + +uint64_t metaslab_gang_bang = SPA_MAXBLOCKSIZE + 1; /* force gang blocks */ + +/* + * The in-core space map representation is more compact than its on-disk form. + * The zfs_condense_pct determines how much more compact the in-core + * space_map representation must be before we compact it on-disk. + * Values should be greater than or equal to 100. + */ +int zfs_condense_pct = 200; + +/* + * Condensing a metaslab is not guaranteed to actually reduce the amount of + * space used on disk. In particular, a space map uses data in increments of + * MAX(1 << ashift, space_map_blksz), so a metaslab might use the + * same number of blocks after condensing. Since the goal of condensing is to + * reduce the number of IOPs required to read the space map, we only want to + * condense when we can be sure we will reduce the number of blocks used by the + * space map. Unfortunately, we cannot precisely compute whether or not this is + * the case in metaslab_should_condense since we are holding ms_lock. Instead, + * we apply the following heuristic: do not condense a spacemap unless the + * uncondensed size consumes greater than zfs_metaslab_condense_block_threshold + * blocks. + */ +int zfs_metaslab_condense_block_threshold = 4; + +/* + * The zfs_mg_noalloc_threshold defines which metaslab groups should + * be eligible for allocation. The value is defined as a percentage of + * free space. Metaslab groups that have more free space than + * zfs_mg_noalloc_threshold are always eligible for allocations. Once + * a metaslab group's free space is less than or equal to the + * zfs_mg_noalloc_threshold the allocator will avoid allocating to that + * group unless all groups in the pool have reached zfs_mg_noalloc_threshold. + * Once all groups in the pool reach zfs_mg_noalloc_threshold then all + * groups are allowed to accept allocations. Gang blocks are always + * eligible to allocate on any metaslab group. The default value of 0 means + * no metaslab group will be excluded based on this criterion. + */ +int zfs_mg_noalloc_threshold = 0; + +/* + * Metaslab groups are considered eligible for allocations if their + * fragmenation metric (measured as a percentage) is less than or equal to + * zfs_mg_fragmentation_threshold. If a metaslab group exceeds this threshold + * then it will be skipped unless all metaslab groups within the metaslab + * class have also crossed this threshold. + */ +int zfs_mg_fragmentation_threshold = 85; + +/* + * Allow metaslabs to keep their active state as long as their fragmentation + * percentage is less than or equal to zfs_metaslab_fragmentation_threshold. An + * active metaslab that exceeds this threshold will no longer keep its active + * status allowing better metaslabs to be selected. + */ +int zfs_metaslab_fragmentation_threshold = 70; + +/* + * When set will load all metaslabs when pool is first opened. + */ +int metaslab_debug_load = 0; + +/* + * When set will prevent metaslabs from being unloaded. + */ +int metaslab_debug_unload = 0; + +/* + * Minimum size which forces the dynamic allocator to change + * it's allocation strategy. Once the space map cannot satisfy + * an allocation of this size then it switches to using more + * aggressive strategy (i.e search by size rather than offset). + */ +uint64_t metaslab_df_alloc_threshold = SPA_MAXBLOCKSIZE; + +/* + * The minimum free space, in percent, which must be available + * in a space map to continue allocations in a first-fit fashion. + * Once the space_map's free space drops below this level we dynamically + * switch to using best-fit allocations. + */ +int metaslab_df_free_pct = 4; + +/* + * Percentage of all cpus that can be used by the metaslab taskq. + */ +int metaslab_load_pct = 50; + +/* + * Determines how many txgs a metaslab may remain loaded without having any + * allocations from it. As long as a metaslab continues to be used we will + * keep it loaded. + */ +int metaslab_unload_delay = TXG_SIZE * 2; + +/* + * Max number of metaslabs per group to preload. + */ +int metaslab_preload_limit = SPA_DVAS_PER_BP; + +/* + * Enable/disable preloading of metaslab. + */ +int metaslab_preload_enabled = B_TRUE; + +/* + * Enable/disable fragmentation weighting on metaslabs. + */ +int metaslab_fragmentation_factor_enabled = B_TRUE; + +/* + * Enable/disable lba weighting (i.e. outer tracks are given preference). + */ +int metaslab_lba_weighting_enabled = B_TRUE; + +/* + * Enable/disable metaslab group biasing. + */ +int metaslab_bias_enabled = B_TRUE; + +static uint64_t metaslab_fragmentation(metaslab_t *); + +/* + * ========================================================================== + * Metaslab classes + * ========================================================================== + */ +metaslab_class_t * +metaslab_class_create(spa_t *spa, metaslab_ops_t *ops) +{ + metaslab_class_t *mc; + + mc = kmem_zalloc(sizeof (metaslab_class_t), KM_SLEEP); + + mc->mc_spa = spa; + mc->mc_rotor = NULL; + mc->mc_ops = ops; + mutex_init(&mc->mc_fastwrite_lock, NULL, MUTEX_DEFAULT, NULL); + + return (mc); +} + +void +metaslab_class_destroy(metaslab_class_t *mc) +{ + ASSERT(mc->mc_rotor == NULL); + ASSERT(mc->mc_alloc == 0); + ASSERT(mc->mc_deferred == 0); + ASSERT(mc->mc_space == 0); + ASSERT(mc->mc_dspace == 0); + + mutex_destroy(&mc->mc_fastwrite_lock); + kmem_free(mc, sizeof (metaslab_class_t)); +} + +int +metaslab_class_validate(metaslab_class_t *mc) +{ + metaslab_group_t *mg; + vdev_t *vd; + + /* + * Must hold one of the spa_config locks. + */ + ASSERT(spa_config_held(mc->mc_spa, SCL_ALL, RW_READER) || + spa_config_held(mc->mc_spa, SCL_ALL, RW_WRITER)); + + if ((mg = mc->mc_rotor) == NULL) + return (0); + + do { + vd = mg->mg_vd; + ASSERT(vd->vdev_mg != NULL); + ASSERT3P(vd->vdev_top, ==, vd); + ASSERT3P(mg->mg_class, ==, mc); + ASSERT3P(vd->vdev_ops, !=, &vdev_hole_ops); + } while ((mg = mg->mg_next) != mc->mc_rotor); + + return (0); +} + +void +metaslab_class_space_update(metaslab_class_t *mc, int64_t alloc_delta, + int64_t defer_delta, int64_t space_delta, int64_t dspace_delta) +{ + atomic_add_64(&mc->mc_alloc, alloc_delta); + atomic_add_64(&mc->mc_deferred, defer_delta); + atomic_add_64(&mc->mc_space, space_delta); + atomic_add_64(&mc->mc_dspace, dspace_delta); +} + +uint64_t +metaslab_class_get_alloc(metaslab_class_t *mc) +{ + return (mc->mc_alloc); +} + +uint64_t +metaslab_class_get_deferred(metaslab_class_t *mc) +{ + return (mc->mc_deferred); +} + +uint64_t +metaslab_class_get_space(metaslab_class_t *mc) +{ + return (mc->mc_space); +} + +uint64_t +metaslab_class_get_dspace(metaslab_class_t *mc) +{ + return (spa_deflate(mc->mc_spa) ? mc->mc_dspace : mc->mc_space); +} + +void +metaslab_class_histogram_verify(metaslab_class_t *mc) +{ + vdev_t *rvd = mc->mc_spa->spa_root_vdev; + uint64_t *mc_hist; + int i, c; + + if ((zfs_flags & ZFS_DEBUG_HISTOGRAM_VERIFY) == 0) + return; + + mc_hist = kmem_zalloc(sizeof (uint64_t) * RANGE_TREE_HISTOGRAM_SIZE, + KM_SLEEP); + + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + metaslab_group_t *mg = tvd->vdev_mg; + + /* + * Skip any holes, uninitialized top-levels, or + * vdevs that are not in this metalab class. + */ + if (tvd->vdev_ishole || tvd->vdev_ms_shift == 0 || + mg->mg_class != mc) { + continue; + } + + for (i = 0; i < RANGE_TREE_HISTOGRAM_SIZE; i++) + mc_hist[i] += mg->mg_histogram[i]; + } + + for (i = 0; i < RANGE_TREE_HISTOGRAM_SIZE; i++) + VERIFY3U(mc_hist[i], ==, mc->mc_histogram[i]); + + kmem_free(mc_hist, sizeof (uint64_t) * RANGE_TREE_HISTOGRAM_SIZE); +} + +/* + * Calculate the metaslab class's fragmentation metric. The metric + * is weighted based on the space contribution of each metaslab group. + * The return value will be a number between 0 and 100 (inclusive), or + * ZFS_FRAG_INVALID if the metric has not been set. See comment above the + * zfs_frag_table for more information about the metric. + */ +uint64_t +metaslab_class_fragmentation(metaslab_class_t *mc) +{ + vdev_t *rvd = mc->mc_spa->spa_root_vdev; + uint64_t fragmentation = 0; + int c; + + spa_config_enter(mc->mc_spa, SCL_VDEV, FTAG, RW_READER); + + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + metaslab_group_t *mg = tvd->vdev_mg; + + /* + * Skip any holes, uninitialized top-levels, or + * vdevs that are not in this metalab class. + */ + if (tvd->vdev_ishole || tvd->vdev_ms_shift == 0 || + mg->mg_class != mc) { + continue; + } + + /* + * If a metaslab group does not contain a fragmentation + * metric then just bail out. + */ + if (mg->mg_fragmentation == ZFS_FRAG_INVALID) { + spa_config_exit(mc->mc_spa, SCL_VDEV, FTAG); + return (ZFS_FRAG_INVALID); + } + + /* + * Determine how much this metaslab_group is contributing + * to the overall pool fragmentation metric. + */ + fragmentation += mg->mg_fragmentation * + metaslab_group_get_space(mg); + } + fragmentation /= metaslab_class_get_space(mc); + + ASSERT3U(fragmentation, <=, 100); + spa_config_exit(mc->mc_spa, SCL_VDEV, FTAG); + return (fragmentation); +} + +/* + * Calculate the amount of expandable space that is available in + * this metaslab class. If a device is expanded then its expandable + * space will be the amount of allocatable space that is currently not + * part of this metaslab class. + */ +uint64_t +metaslab_class_expandable_space(metaslab_class_t *mc) +{ + vdev_t *rvd = mc->mc_spa->spa_root_vdev; + uint64_t space = 0; + int c; + + spa_config_enter(mc->mc_spa, SCL_VDEV, FTAG, RW_READER); + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + metaslab_group_t *mg = tvd->vdev_mg; + + if (tvd->vdev_ishole || tvd->vdev_ms_shift == 0 || + mg->mg_class != mc) { + continue; + } + + space += tvd->vdev_max_asize - tvd->vdev_asize; + } + spa_config_exit(mc->mc_spa, SCL_VDEV, FTAG); + return (space); +} + +/* + * ========================================================================== + * Metaslab groups + * ========================================================================== + */ +static int +metaslab_compare(const void *x1, const void *x2) +{ + const metaslab_t *m1 = x1; + const metaslab_t *m2 = x2; + + if (m1->ms_weight < m2->ms_weight) + return (1); + if (m1->ms_weight > m2->ms_weight) + return (-1); + + /* + * If the weights are identical, use the offset to force uniqueness. + */ + if (m1->ms_start < m2->ms_start) + return (-1); + if (m1->ms_start > m2->ms_start) + return (1); + + ASSERT3P(m1, ==, m2); + + return (0); +} + +/* + * Update the allocatable flag and the metaslab group's capacity. + * The allocatable flag is set to true if the capacity is below + * the zfs_mg_noalloc_threshold. If a metaslab group transitions + * from allocatable to non-allocatable or vice versa then the metaslab + * group's class is updated to reflect the transition. + */ +static void +metaslab_group_alloc_update(metaslab_group_t *mg) +{ + vdev_t *vd = mg->mg_vd; + metaslab_class_t *mc = mg->mg_class; + vdev_stat_t *vs = &vd->vdev_stat; + boolean_t was_allocatable; + + ASSERT(vd == vd->vdev_top); + + mutex_enter(&mg->mg_lock); + was_allocatable = mg->mg_allocatable; + + mg->mg_free_capacity = ((vs->vs_space - vs->vs_alloc) * 100) / + (vs->vs_space + 1); + + /* + * A metaslab group is considered allocatable if it has plenty + * of free space or is not heavily fragmented. We only take + * fragmentation into account if the metaslab group has a valid + * fragmentation metric (i.e. a value between 0 and 100). + */ + mg->mg_allocatable = (mg->mg_free_capacity > zfs_mg_noalloc_threshold && + (mg->mg_fragmentation == ZFS_FRAG_INVALID || + mg->mg_fragmentation <= zfs_mg_fragmentation_threshold)); + + /* + * The mc_alloc_groups maintains a count of the number of + * groups in this metaslab class that are still above the + * zfs_mg_noalloc_threshold. This is used by the allocating + * threads to determine if they should avoid allocations to + * a given group. The allocator will avoid allocations to a group + * if that group has reached or is below the zfs_mg_noalloc_threshold + * and there are still other groups that are above the threshold. + * When a group transitions from allocatable to non-allocatable or + * vice versa we update the metaslab class to reflect that change. + * When the mc_alloc_groups value drops to 0 that means that all + * groups have reached the zfs_mg_noalloc_threshold making all groups + * eligible for allocations. This effectively means that all devices + * are balanced again. + */ + if (was_allocatable && !mg->mg_allocatable) + mc->mc_alloc_groups--; + else if (!was_allocatable && mg->mg_allocatable) + mc->mc_alloc_groups++; + + mutex_exit(&mg->mg_lock); +} + +metaslab_group_t * +metaslab_group_create(metaslab_class_t *mc, vdev_t *vd) +{ + metaslab_group_t *mg; + + mg = kmem_zalloc(sizeof (metaslab_group_t), KM_SLEEP); + mutex_init(&mg->mg_lock, NULL, MUTEX_DEFAULT, NULL); + avl_create(&mg->mg_metaslab_tree, metaslab_compare, + sizeof (metaslab_t), offsetof(struct metaslab, ms_group_node)); + mg->mg_vd = vd; + mg->mg_class = mc; + mg->mg_activation_count = 0; + + mg->mg_taskq = taskq_create("metaslab_group_taskq", metaslab_load_pct, + maxclsyspri, 10, INT_MAX, TASKQ_THREADS_CPU_PCT | TASKQ_DYNAMIC); + + return (mg); +} + +void +metaslab_group_destroy(metaslab_group_t *mg) +{ + ASSERT(mg->mg_prev == NULL); + ASSERT(mg->mg_next == NULL); + /* + * We may have gone below zero with the activation count + * either because we never activated in the first place or + * because we're done, and possibly removing the vdev. + */ + ASSERT(mg->mg_activation_count <= 0); + + taskq_destroy(mg->mg_taskq); + avl_destroy(&mg->mg_metaslab_tree); + mutex_destroy(&mg->mg_lock); + kmem_free(mg, sizeof (metaslab_group_t)); +} + +void +metaslab_group_activate(metaslab_group_t *mg) +{ + metaslab_class_t *mc = mg->mg_class; + metaslab_group_t *mgprev, *mgnext; + + ASSERT(spa_config_held(mc->mc_spa, SCL_ALLOC, RW_WRITER)); + + ASSERT(mc->mc_rotor != mg); + ASSERT(mg->mg_prev == NULL); + ASSERT(mg->mg_next == NULL); + ASSERT(mg->mg_activation_count <= 0); + + if (++mg->mg_activation_count <= 0) + return; + + mg->mg_aliquot = metaslab_aliquot * MAX(1, mg->mg_vd->vdev_children); + metaslab_group_alloc_update(mg); + + if ((mgprev = mc->mc_rotor) == NULL) { + mg->mg_prev = mg; + mg->mg_next = mg; + } else { + mgnext = mgprev->mg_next; + mg->mg_prev = mgprev; + mg->mg_next = mgnext; + mgprev->mg_next = mg; + mgnext->mg_prev = mg; + } + mc->mc_rotor = mg; +} + +void +metaslab_group_passivate(metaslab_group_t *mg) +{ + metaslab_class_t *mc = mg->mg_class; + metaslab_group_t *mgprev, *mgnext; + + ASSERT(spa_config_held(mc->mc_spa, SCL_ALLOC, RW_WRITER)); + + if (--mg->mg_activation_count != 0) { + ASSERT(mc->mc_rotor != mg); + ASSERT(mg->mg_prev == NULL); + ASSERT(mg->mg_next == NULL); + ASSERT(mg->mg_activation_count < 0); + return; + } + + taskq_wait_outstanding(mg->mg_taskq, 0); + metaslab_group_alloc_update(mg); + + mgprev = mg->mg_prev; + mgnext = mg->mg_next; + + if (mg == mgnext) { + mc->mc_rotor = NULL; + } else { + mc->mc_rotor = mgnext; + mgprev->mg_next = mgnext; + mgnext->mg_prev = mgprev; + } + + mg->mg_prev = NULL; + mg->mg_next = NULL; +} + +uint64_t +metaslab_group_get_space(metaslab_group_t *mg) +{ + return ((1ULL << mg->mg_vd->vdev_ms_shift) * mg->mg_vd->vdev_ms_count); +} + +void +metaslab_group_histogram_verify(metaslab_group_t *mg) +{ + uint64_t *mg_hist; + vdev_t *vd = mg->mg_vd; + uint64_t ashift = vd->vdev_ashift; + int i, m; + + if ((zfs_flags & ZFS_DEBUG_HISTOGRAM_VERIFY) == 0) + return; + + mg_hist = kmem_zalloc(sizeof (uint64_t) * RANGE_TREE_HISTOGRAM_SIZE, + KM_SLEEP); + + ASSERT3U(RANGE_TREE_HISTOGRAM_SIZE, >=, + SPACE_MAP_HISTOGRAM_SIZE + ashift); + + for (m = 0; m < vd->vdev_ms_count; m++) { + metaslab_t *msp = vd->vdev_ms[m]; + + if (msp->ms_sm == NULL) + continue; + + for (i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) + mg_hist[i + ashift] += + msp->ms_sm->sm_phys->smp_histogram[i]; + } + + for (i = 0; i < RANGE_TREE_HISTOGRAM_SIZE; i ++) + VERIFY3U(mg_hist[i], ==, mg->mg_histogram[i]); + + kmem_free(mg_hist, sizeof (uint64_t) * RANGE_TREE_HISTOGRAM_SIZE); +} + +static void +metaslab_group_histogram_add(metaslab_group_t *mg, metaslab_t *msp) +{ + metaslab_class_t *mc = mg->mg_class; + uint64_t ashift = mg->mg_vd->vdev_ashift; + int i; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + if (msp->ms_sm == NULL) + return; + + mutex_enter(&mg->mg_lock); + for (i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) { + mg->mg_histogram[i + ashift] += + msp->ms_sm->sm_phys->smp_histogram[i]; + mc->mc_histogram[i + ashift] += + msp->ms_sm->sm_phys->smp_histogram[i]; + } + mutex_exit(&mg->mg_lock); +} + +void +metaslab_group_histogram_remove(metaslab_group_t *mg, metaslab_t *msp) +{ + metaslab_class_t *mc = mg->mg_class; + uint64_t ashift = mg->mg_vd->vdev_ashift; + int i; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + if (msp->ms_sm == NULL) + return; + + mutex_enter(&mg->mg_lock); + for (i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) { + ASSERT3U(mg->mg_histogram[i + ashift], >=, + msp->ms_sm->sm_phys->smp_histogram[i]); + ASSERT3U(mc->mc_histogram[i + ashift], >=, + msp->ms_sm->sm_phys->smp_histogram[i]); + + mg->mg_histogram[i + ashift] -= + msp->ms_sm->sm_phys->smp_histogram[i]; + mc->mc_histogram[i + ashift] -= + msp->ms_sm->sm_phys->smp_histogram[i]; + } + mutex_exit(&mg->mg_lock); +} + +static void +metaslab_group_add(metaslab_group_t *mg, metaslab_t *msp) +{ + ASSERT(msp->ms_group == NULL); + mutex_enter(&mg->mg_lock); + msp->ms_group = mg; + msp->ms_weight = 0; + avl_add(&mg->mg_metaslab_tree, msp); + mutex_exit(&mg->mg_lock); + + mutex_enter(&msp->ms_lock); + metaslab_group_histogram_add(mg, msp); + mutex_exit(&msp->ms_lock); +} + +static void +metaslab_group_remove(metaslab_group_t *mg, metaslab_t *msp) +{ + mutex_enter(&msp->ms_lock); + metaslab_group_histogram_remove(mg, msp); + mutex_exit(&msp->ms_lock); + + mutex_enter(&mg->mg_lock); + ASSERT(msp->ms_group == mg); + avl_remove(&mg->mg_metaslab_tree, msp); + msp->ms_group = NULL; + mutex_exit(&mg->mg_lock); +} + +static void +metaslab_group_sort(metaslab_group_t *mg, metaslab_t *msp, uint64_t weight) +{ + /* + * Although in principle the weight can be any value, in + * practice we do not use values in the range [1, 511]. + */ + ASSERT(weight >= SPA_MINBLOCKSIZE || weight == 0); + ASSERT(MUTEX_HELD(&msp->ms_lock)); + + mutex_enter(&mg->mg_lock); + ASSERT(msp->ms_group == mg); + avl_remove(&mg->mg_metaslab_tree, msp); + msp->ms_weight = weight; + avl_add(&mg->mg_metaslab_tree, msp); + mutex_exit(&mg->mg_lock); +} + +/* + * Calculate the fragmentation for a given metaslab group. We can use + * a simple average here since all metaslabs within the group must have + * the same size. The return value will be a value between 0 and 100 + * (inclusive), or ZFS_FRAG_INVALID if less than half of the metaslab in this + * group have a fragmentation metric. + */ +uint64_t +metaslab_group_fragmentation(metaslab_group_t *mg) +{ + vdev_t *vd = mg->mg_vd; + uint64_t fragmentation = 0; + uint64_t valid_ms = 0; + int m; + + for (m = 0; m < vd->vdev_ms_count; m++) { + metaslab_t *msp = vd->vdev_ms[m]; + + if (msp->ms_fragmentation == ZFS_FRAG_INVALID) + continue; + + valid_ms++; + fragmentation += msp->ms_fragmentation; + } + + if (valid_ms <= vd->vdev_ms_count / 2) + return (ZFS_FRAG_INVALID); + + fragmentation /= valid_ms; + ASSERT3U(fragmentation, <=, 100); + return (fragmentation); +} + +/* + * Determine if a given metaslab group should skip allocations. A metaslab + * group should avoid allocations if its free capacity is less than the + * zfs_mg_noalloc_threshold or its fragmentation metric is greater than + * zfs_mg_fragmentation_threshold and there is at least one metaslab group + * that can still handle allocations. + */ +static boolean_t +metaslab_group_allocatable(metaslab_group_t *mg) +{ + vdev_t *vd = mg->mg_vd; + spa_t *spa = vd->vdev_spa; + metaslab_class_t *mc = mg->mg_class; + + /* + * We use two key metrics to determine if a metaslab group is + * considered allocatable -- free space and fragmentation. If + * the free space is greater than the free space threshold and + * the fragmentation is less than the fragmentation threshold then + * consider the group allocatable. There are two case when we will + * not consider these key metrics. The first is if the group is + * associated with a slog device and the second is if all groups + * in this metaslab class have already been consider ineligible + * for allocations. + */ + return ((mg->mg_free_capacity > zfs_mg_noalloc_threshold && + (mg->mg_fragmentation == ZFS_FRAG_INVALID || + mg->mg_fragmentation <= zfs_mg_fragmentation_threshold)) || + mc != spa_normal_class(spa) || mc->mc_alloc_groups == 0); +} + +/* + * ========================================================================== + * Range tree callbacks + * ========================================================================== + */ + +/* + * Comparison function for the private size-ordered tree. Tree is sorted + * by size, larger sizes at the end of the tree. + */ +static int +metaslab_rangesize_compare(const void *x1, const void *x2) +{ + const range_seg_t *r1 = x1; + const range_seg_t *r2 = x2; + uint64_t rs_size1 = r1->rs_end - r1->rs_start; + uint64_t rs_size2 = r2->rs_end - r2->rs_start; + + if (rs_size1 < rs_size2) + return (-1); + if (rs_size1 > rs_size2) + return (1); + + if (r1->rs_start < r2->rs_start) + return (-1); + + if (r1->rs_start > r2->rs_start) + return (1); + + return (0); +} + +/* + * Create any block allocator specific components. The current allocators + * rely on using both a size-ordered range_tree_t and an array of uint64_t's. + */ +static void +metaslab_rt_create(range_tree_t *rt, void *arg) +{ + metaslab_t *msp = arg; + + ASSERT3P(rt->rt_arg, ==, msp); + ASSERT(msp->ms_tree == NULL); + + avl_create(&msp->ms_size_tree, metaslab_rangesize_compare, + sizeof (range_seg_t), offsetof(range_seg_t, rs_pp_node)); +} + +/* + * Destroy the block allocator specific components. + */ +static void +metaslab_rt_destroy(range_tree_t *rt, void *arg) +{ + metaslab_t *msp = arg; + + ASSERT3P(rt->rt_arg, ==, msp); + ASSERT3P(msp->ms_tree, ==, rt); + ASSERT0(avl_numnodes(&msp->ms_size_tree)); + + avl_destroy(&msp->ms_size_tree); +} + +static void +metaslab_rt_add(range_tree_t *rt, range_seg_t *rs, void *arg) +{ + metaslab_t *msp = arg; + + ASSERT3P(rt->rt_arg, ==, msp); + ASSERT3P(msp->ms_tree, ==, rt); + VERIFY(!msp->ms_condensing); + avl_add(&msp->ms_size_tree, rs); +} + +static void +metaslab_rt_remove(range_tree_t *rt, range_seg_t *rs, void *arg) +{ + metaslab_t *msp = arg; + + ASSERT3P(rt->rt_arg, ==, msp); + ASSERT3P(msp->ms_tree, ==, rt); + VERIFY(!msp->ms_condensing); + avl_remove(&msp->ms_size_tree, rs); +} + +static void +metaslab_rt_vacate(range_tree_t *rt, void *arg) +{ + metaslab_t *msp = arg; + + ASSERT3P(rt->rt_arg, ==, msp); + ASSERT3P(msp->ms_tree, ==, rt); + + /* + * Normally one would walk the tree freeing nodes along the way. + * Since the nodes are shared with the range trees we can avoid + * walking all nodes and just reinitialize the avl tree. The nodes + * will be freed by the range tree, so we don't want to free them here. + */ + avl_create(&msp->ms_size_tree, metaslab_rangesize_compare, + sizeof (range_seg_t), offsetof(range_seg_t, rs_pp_node)); +} + +static range_tree_ops_t metaslab_rt_ops = { + metaslab_rt_create, + metaslab_rt_destroy, + metaslab_rt_add, + metaslab_rt_remove, + metaslab_rt_vacate +}; + +/* + * ========================================================================== + * Metaslab block operations + * ========================================================================== + */ + +/* + * Return the maximum contiguous segment within the metaslab. + */ +uint64_t +metaslab_block_maxsize(metaslab_t *msp) +{ + avl_tree_t *t = &msp->ms_size_tree; + range_seg_t *rs; + + if (t == NULL || (rs = avl_last(t)) == NULL) + return (0ULL); + + return (rs->rs_end - rs->rs_start); +} + +uint64_t +metaslab_block_alloc(metaslab_t *msp, uint64_t size) +{ + uint64_t start; + range_tree_t *rt = msp->ms_tree; + + VERIFY(!msp->ms_condensing); + + start = msp->ms_ops->msop_alloc(msp, size); + if (start != -1ULL) { + vdev_t *vd = msp->ms_group->mg_vd; + + VERIFY0(P2PHASE(start, 1ULL << vd->vdev_ashift)); + VERIFY0(P2PHASE(size, 1ULL << vd->vdev_ashift)); + VERIFY3U(range_tree_space(rt) - size, <=, msp->ms_size); + range_tree_remove(rt, start, size); + } + return (start); +} + +/* + * ========================================================================== + * Common allocator routines + * ========================================================================== + */ + +#if defined(WITH_FF_BLOCK_ALLOCATOR) || \ + defined(WITH_DF_BLOCK_ALLOCATOR) || \ + defined(WITH_CF_BLOCK_ALLOCATOR) +/* + * This is a helper function that can be used by the allocator to find + * a suitable block to allocate. This will search the specified AVL + * tree looking for a block that matches the specified criteria. + */ +static uint64_t +metaslab_block_picker(avl_tree_t *t, uint64_t *cursor, uint64_t size, + uint64_t align) +{ + range_seg_t *rs, rsearch; + avl_index_t where; + + rsearch.rs_start = *cursor; + rsearch.rs_end = *cursor + size; + + rs = avl_find(t, &rsearch, &where); + if (rs == NULL) + rs = avl_nearest(t, where, AVL_AFTER); + + while (rs != NULL) { + uint64_t offset = P2ROUNDUP(rs->rs_start, align); + + if (offset + size <= rs->rs_end) { + *cursor = offset + size; + return (offset); + } + rs = AVL_NEXT(t, rs); + } + + /* + * If we know we've searched the whole map (*cursor == 0), give up. + * Otherwise, reset the cursor to the beginning and try again. + */ + if (*cursor == 0) + return (-1ULL); + + *cursor = 0; + return (metaslab_block_picker(t, cursor, size, align)); +} +#endif /* WITH_FF/DF/CF_BLOCK_ALLOCATOR */ + +#if defined(WITH_FF_BLOCK_ALLOCATOR) +/* + * ========================================================================== + * The first-fit block allocator + * ========================================================================== + */ +static uint64_t +metaslab_ff_alloc(metaslab_t *msp, uint64_t size) +{ + /* + * Find the largest power of 2 block size that evenly divides the + * requested size. This is used to try to allocate blocks with similar + * alignment from the same area of the metaslab (i.e. same cursor + * bucket) but it does not guarantee that other allocations sizes + * may exist in the same region. + */ + uint64_t align = size & -size; + uint64_t *cursor = &msp->ms_lbas[highbit64(align) - 1]; + avl_tree_t *t = &msp->ms_tree->rt_root; + + return (metaslab_block_picker(t, cursor, size, align)); +} + +static metaslab_ops_t metaslab_ff_ops = { + metaslab_ff_alloc +}; + +metaslab_ops_t *zfs_metaslab_ops = &metaslab_ff_ops; +#endif /* WITH_FF_BLOCK_ALLOCATOR */ + +#if defined(WITH_DF_BLOCK_ALLOCATOR) +/* + * ========================================================================== + * Dynamic block allocator - + * Uses the first fit allocation scheme until space get low and then + * adjusts to a best fit allocation method. Uses metaslab_df_alloc_threshold + * and metaslab_df_free_pct to determine when to switch the allocation scheme. + * ========================================================================== + */ +static uint64_t +metaslab_df_alloc(metaslab_t *msp, uint64_t size) +{ + /* + * Find the largest power of 2 block size that evenly divides the + * requested size. This is used to try to allocate blocks with similar + * alignment from the same area of the metaslab (i.e. same cursor + * bucket) but it does not guarantee that other allocations sizes + * may exist in the same region. + */ + uint64_t align = size & -size; + uint64_t *cursor = &msp->ms_lbas[highbit64(align) - 1]; + range_tree_t *rt = msp->ms_tree; + avl_tree_t *t = &rt->rt_root; + uint64_t max_size = metaslab_block_maxsize(msp); + int free_pct = range_tree_space(rt) * 100 / msp->ms_size; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + ASSERT3U(avl_numnodes(t), ==, avl_numnodes(&msp->ms_size_tree)); + + if (max_size < size) + return (-1ULL); + + /* + * If we're running low on space switch to using the size + * sorted AVL tree (best-fit). + */ + if (max_size < metaslab_df_alloc_threshold || + free_pct < metaslab_df_free_pct) { + t = &msp->ms_size_tree; + *cursor = 0; + } + + return (metaslab_block_picker(t, cursor, size, 1ULL)); +} + +static metaslab_ops_t metaslab_df_ops = { + metaslab_df_alloc +}; + +metaslab_ops_t *zfs_metaslab_ops = &metaslab_df_ops; +#endif /* WITH_DF_BLOCK_ALLOCATOR */ + +#if defined(WITH_CF_BLOCK_ALLOCATOR) +/* + * ========================================================================== + * Cursor fit block allocator - + * Select the largest region in the metaslab, set the cursor to the beginning + * of the range and the cursor_end to the end of the range. As allocations + * are made advance the cursor. Continue allocating from the cursor until + * the range is exhausted and then find a new range. + * ========================================================================== + */ +static uint64_t +metaslab_cf_alloc(metaslab_t *msp, uint64_t size) +{ + range_tree_t *rt = msp->ms_tree; + avl_tree_t *t = &msp->ms_size_tree; + uint64_t *cursor = &msp->ms_lbas[0]; + uint64_t *cursor_end = &msp->ms_lbas[1]; + uint64_t offset = 0; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + ASSERT3U(avl_numnodes(t), ==, avl_numnodes(&rt->rt_root)); + + ASSERT3U(*cursor_end, >=, *cursor); + + if ((*cursor + size) > *cursor_end) { + range_seg_t *rs; + + rs = avl_last(&msp->ms_size_tree); + if (rs == NULL || (rs->rs_end - rs->rs_start) < size) + return (-1ULL); + + *cursor = rs->rs_start; + *cursor_end = rs->rs_end; + } + + offset = *cursor; + *cursor += size; + + return (offset); +} + +static metaslab_ops_t metaslab_cf_ops = { + metaslab_cf_alloc +}; + +metaslab_ops_t *zfs_metaslab_ops = &metaslab_cf_ops; +#endif /* WITH_CF_BLOCK_ALLOCATOR */ + +#if defined(WITH_NDF_BLOCK_ALLOCATOR) +/* + * ========================================================================== + * New dynamic fit allocator - + * Select a region that is large enough to allocate 2^metaslab_ndf_clump_shift + * contiguous blocks. If no region is found then just use the largest segment + * that remains. + * ========================================================================== + */ + +/* + * Determines desired number of contiguous blocks (2^metaslab_ndf_clump_shift) + * to request from the allocator. + */ +uint64_t metaslab_ndf_clump_shift = 4; + +static uint64_t +metaslab_ndf_alloc(metaslab_t *msp, uint64_t size) +{ + avl_tree_t *t = &msp->ms_tree->rt_root; + avl_index_t where; + range_seg_t *rs, rsearch; + uint64_t hbit = highbit64(size); + uint64_t *cursor = &msp->ms_lbas[hbit - 1]; + uint64_t max_size = metaslab_block_maxsize(msp); + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + ASSERT3U(avl_numnodes(t), ==, avl_numnodes(&msp->ms_size_tree)); + + if (max_size < size) + return (-1ULL); + + rsearch.rs_start = *cursor; + rsearch.rs_end = *cursor + size; + + rs = avl_find(t, &rsearch, &where); + if (rs == NULL || (rs->rs_end - rs->rs_start) < size) { + t = &msp->ms_size_tree; + + rsearch.rs_start = 0; + rsearch.rs_end = MIN(max_size, + 1ULL << (hbit + metaslab_ndf_clump_shift)); + rs = avl_find(t, &rsearch, &where); + if (rs == NULL) + rs = avl_nearest(t, where, AVL_AFTER); + ASSERT(rs != NULL); + } + + if ((rs->rs_end - rs->rs_start) >= size) { + *cursor = rs->rs_start + size; + return (rs->rs_start); + } + return (-1ULL); +} + +static metaslab_ops_t metaslab_ndf_ops = { + metaslab_ndf_alloc +}; + +metaslab_ops_t *zfs_metaslab_ops = &metaslab_ndf_ops; +#endif /* WITH_NDF_BLOCK_ALLOCATOR */ + + +/* + * ========================================================================== + * Metaslabs + * ========================================================================== + */ + +/* + * Wait for any in-progress metaslab loads to complete. + */ +void +metaslab_load_wait(metaslab_t *msp) +{ + ASSERT(MUTEX_HELD(&msp->ms_lock)); + + while (msp->ms_loading) { + ASSERT(!msp->ms_loaded); + cv_wait(&msp->ms_load_cv, &msp->ms_lock); + } +} + +int +metaslab_load(metaslab_t *msp) +{ + int error = 0; + int t; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + ASSERT(!msp->ms_loaded); + ASSERT(!msp->ms_loading); + + msp->ms_loading = B_TRUE; + + /* + * If the space map has not been allocated yet, then treat + * all the space in the metaslab as free and add it to the + * ms_tree. + */ + if (msp->ms_sm != NULL) + error = space_map_load(msp->ms_sm, msp->ms_tree, SM_FREE); + else + range_tree_add(msp->ms_tree, msp->ms_start, msp->ms_size); + + msp->ms_loaded = (error == 0); + msp->ms_loading = B_FALSE; + + if (msp->ms_loaded) { + for (t = 0; t < TXG_DEFER_SIZE; t++) { + range_tree_walk(msp->ms_defertree[t], + range_tree_remove, msp->ms_tree); + } + } + cv_broadcast(&msp->ms_load_cv); + return (error); +} + +void +metaslab_unload(metaslab_t *msp) +{ + ASSERT(MUTEX_HELD(&msp->ms_lock)); + range_tree_vacate(msp->ms_tree, NULL, NULL); + msp->ms_loaded = B_FALSE; + msp->ms_weight &= ~METASLAB_ACTIVE_MASK; +} + +int +metaslab_init(metaslab_group_t *mg, uint64_t id, uint64_t object, uint64_t txg, + metaslab_t **msp) +{ + vdev_t *vd = mg->mg_vd; + objset_t *mos = vd->vdev_spa->spa_meta_objset; + metaslab_t *ms; + int error; + + ms = kmem_zalloc(sizeof (metaslab_t), KM_SLEEP); + mutex_init(&ms->ms_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&ms->ms_load_cv, NULL, CV_DEFAULT, NULL); + ms->ms_id = id; + ms->ms_start = id << vd->vdev_ms_shift; + ms->ms_size = 1ULL << vd->vdev_ms_shift; + + /* + * We only open space map objects that already exist. All others + * will be opened when we finally allocate an object for it. + */ + if (object != 0) { + error = space_map_open(&ms->ms_sm, mos, object, ms->ms_start, + ms->ms_size, vd->vdev_ashift, &ms->ms_lock); + + if (error != 0) { + kmem_free(ms, sizeof (metaslab_t)); + return (error); + } + + ASSERT(ms->ms_sm != NULL); + } + + /* + * We create the main range tree here, but we don't create the + * alloctree and freetree until metaslab_sync_done(). This serves + * two purposes: it allows metaslab_sync_done() to detect the + * addition of new space; and for debugging, it ensures that we'd + * data fault on any attempt to use this metaslab before it's ready. + */ + ms->ms_tree = range_tree_create(&metaslab_rt_ops, ms, &ms->ms_lock); + metaslab_group_add(mg, ms); + + ms->ms_fragmentation = metaslab_fragmentation(ms); + ms->ms_ops = mg->mg_class->mc_ops; + + /* + * If we're opening an existing pool (txg == 0) or creating + * a new one (txg == TXG_INITIAL), all space is available now. + * If we're adding space to an existing pool, the new space + * does not become available until after this txg has synced. + */ + if (txg <= TXG_INITIAL) + metaslab_sync_done(ms, 0); + + /* + * If metaslab_debug_load is set and we're initializing a metaslab + * that has an allocated space_map object then load the its space + * map so that can verify frees. + */ + if (metaslab_debug_load && ms->ms_sm != NULL) { + mutex_enter(&ms->ms_lock); + VERIFY0(metaslab_load(ms)); + mutex_exit(&ms->ms_lock); + } + + if (txg != 0) { + vdev_dirty(vd, 0, NULL, txg); + vdev_dirty(vd, VDD_METASLAB, ms, txg); + } + + *msp = ms; + + return (0); +} + +void +metaslab_fini(metaslab_t *msp) +{ + int t; + + metaslab_group_t *mg = msp->ms_group; + + metaslab_group_remove(mg, msp); + + mutex_enter(&msp->ms_lock); + + VERIFY(msp->ms_group == NULL); + vdev_space_update(mg->mg_vd, -space_map_allocated(msp->ms_sm), + 0, -msp->ms_size); + space_map_close(msp->ms_sm); + + metaslab_unload(msp); + range_tree_destroy(msp->ms_tree); + + for (t = 0; t < TXG_SIZE; t++) { + range_tree_destroy(msp->ms_alloctree[t]); + range_tree_destroy(msp->ms_freetree[t]); + } + + for (t = 0; t < TXG_DEFER_SIZE; t++) { + range_tree_destroy(msp->ms_defertree[t]); + } + + ASSERT0(msp->ms_deferspace); + + mutex_exit(&msp->ms_lock); + cv_destroy(&msp->ms_load_cv); + mutex_destroy(&msp->ms_lock); + + kmem_free(msp, sizeof (metaslab_t)); +} + +#define FRAGMENTATION_TABLE_SIZE 17 + +/* + * This table defines a segment size based fragmentation metric that will + * allow each metaslab to derive its own fragmentation value. This is done + * by calculating the space in each bucket of the spacemap histogram and + * multiplying that by the fragmetation metric in this table. Doing + * this for all buckets and dividing it by the total amount of free + * space in this metaslab (i.e. the total free space in all buckets) gives + * us the fragmentation metric. This means that a high fragmentation metric + * equates to most of the free space being comprised of small segments. + * Conversely, if the metric is low, then most of the free space is in + * large segments. A 10% change in fragmentation equates to approximately + * double the number of segments. + * + * This table defines 0% fragmented space using 16MB segments. Testing has + * shown that segments that are greater than or equal to 16MB do not suffer + * from drastic performance problems. Using this value, we derive the rest + * of the table. Since the fragmentation value is never stored on disk, it + * is possible to change these calculations in the future. + */ +int zfs_frag_table[FRAGMENTATION_TABLE_SIZE] = { + 100, /* 512B */ + 100, /* 1K */ + 98, /* 2K */ + 95, /* 4K */ + 90, /* 8K */ + 80, /* 16K */ + 70, /* 32K */ + 60, /* 64K */ + 50, /* 128K */ + 40, /* 256K */ + 30, /* 512K */ + 20, /* 1M */ + 15, /* 2M */ + 10, /* 4M */ + 5, /* 8M */ + 0 /* 16M */ +}; + +/* + * Calclate the metaslab's fragmentation metric. A return value + * of ZFS_FRAG_INVALID means that the metaslab has not been upgraded and does + * not support this metric. Otherwise, the return value should be in the + * range [0, 100]. + */ +static uint64_t +metaslab_fragmentation(metaslab_t *msp) +{ + spa_t *spa = msp->ms_group->mg_vd->vdev_spa; + uint64_t fragmentation = 0; + uint64_t total = 0; + boolean_t feature_enabled = spa_feature_is_enabled(spa, + SPA_FEATURE_SPACEMAP_HISTOGRAM); + int i; + + if (!feature_enabled) + return (ZFS_FRAG_INVALID); + + /* + * A null space map means that the entire metaslab is free + * and thus is not fragmented. + */ + if (msp->ms_sm == NULL) + return (0); + + /* + * If this metaslab's space_map has not been upgraded, flag it + * so that we upgrade next time we encounter it. + */ + if (msp->ms_sm->sm_dbuf->db_size != sizeof (space_map_phys_t)) { + vdev_t *vd = msp->ms_group->mg_vd; + + if (spa_writeable(vd->vdev_spa)) { + uint64_t txg = spa_syncing_txg(spa); + + msp->ms_condense_wanted = B_TRUE; + vdev_dirty(vd, VDD_METASLAB, msp, txg + 1); + spa_dbgmsg(spa, "txg %llu, requesting force condense: " + "msp %p, vd %p", txg, msp, vd); + } + return (ZFS_FRAG_INVALID); + } + + for (i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) { + uint64_t space = 0; + uint8_t shift = msp->ms_sm->sm_shift; + int idx = MIN(shift - SPA_MINBLOCKSHIFT + i, + FRAGMENTATION_TABLE_SIZE - 1); + + if (msp->ms_sm->sm_phys->smp_histogram[i] == 0) + continue; + + space = msp->ms_sm->sm_phys->smp_histogram[i] << (i + shift); + total += space; + + ASSERT3U(idx, <, FRAGMENTATION_TABLE_SIZE); + fragmentation += space * zfs_frag_table[idx]; + } + + if (total > 0) + fragmentation /= total; + ASSERT3U(fragmentation, <=, 100); + return (fragmentation); +} + +/* + * Compute a weight -- a selection preference value -- for the given metaslab. + * This is based on the amount of free space, the level of fragmentation, + * the LBA range, and whether the metaslab is loaded. + */ +static uint64_t +metaslab_weight(metaslab_t *msp) +{ + metaslab_group_t *mg = msp->ms_group; + vdev_t *vd = mg->mg_vd; + uint64_t weight, space; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + + /* + * This vdev is in the process of being removed so there is nothing + * for us to do here. + */ + if (vd->vdev_removing) { + ASSERT0(space_map_allocated(msp->ms_sm)); + ASSERT0(vd->vdev_ms_shift); + return (0); + } + + /* + * The baseline weight is the metaslab's free space. + */ + space = msp->ms_size - space_map_allocated(msp->ms_sm); + + msp->ms_fragmentation = metaslab_fragmentation(msp); + if (metaslab_fragmentation_factor_enabled && + msp->ms_fragmentation != ZFS_FRAG_INVALID) { + /* + * Use the fragmentation information to inversely scale + * down the baseline weight. We need to ensure that we + * don't exclude this metaslab completely when it's 100% + * fragmented. To avoid this we reduce the fragmented value + * by 1. + */ + space = (space * (100 - (msp->ms_fragmentation - 1))) / 100; + + /* + * If space < SPA_MINBLOCKSIZE, then we will not allocate from + * this metaslab again. The fragmentation metric may have + * decreased the space to something smaller than + * SPA_MINBLOCKSIZE, so reset the space to SPA_MINBLOCKSIZE + * so that we can consume any remaining space. + */ + if (space > 0 && space < SPA_MINBLOCKSIZE) + space = SPA_MINBLOCKSIZE; + } + weight = space; + + /* + * Modern disks have uniform bit density and constant angular velocity. + * Therefore, the outer recording zones are faster (higher bandwidth) + * than the inner zones by the ratio of outer to inner track diameter, + * which is typically around 2:1. We account for this by assigning + * higher weight to lower metaslabs (multiplier ranging from 2x to 1x). + * In effect, this means that we'll select the metaslab with the most + * free bandwidth rather than simply the one with the most free space. + */ + if (!vd->vdev_nonrot && metaslab_lba_weighting_enabled) { + weight = 2 * weight - (msp->ms_id * weight) / vd->vdev_ms_count; + ASSERT(weight >= space && weight <= 2 * space); + } + + /* + * If this metaslab is one we're actively using, adjust its + * weight to make it preferable to any inactive metaslab so + * we'll polish it off. If the fragmentation on this metaslab + * has exceed our threshold, then don't mark it active. + */ + if (msp->ms_loaded && msp->ms_fragmentation != ZFS_FRAG_INVALID && + msp->ms_fragmentation <= zfs_metaslab_fragmentation_threshold) { + weight |= (msp->ms_weight & METASLAB_ACTIVE_MASK); + } + + return (weight); +} + +static int +metaslab_activate(metaslab_t *msp, uint64_t activation_weight) +{ + ASSERT(MUTEX_HELD(&msp->ms_lock)); + + if ((msp->ms_weight & METASLAB_ACTIVE_MASK) == 0) { + metaslab_load_wait(msp); + if (!msp->ms_loaded) { + int error = metaslab_load(msp); + if (error) { + metaslab_group_sort(msp->ms_group, msp, 0); + return (error); + } + } + + metaslab_group_sort(msp->ms_group, msp, + msp->ms_weight | activation_weight); + } + ASSERT(msp->ms_loaded); + ASSERT(msp->ms_weight & METASLAB_ACTIVE_MASK); + + return (0); +} + +static void +metaslab_passivate(metaslab_t *msp, uint64_t size) +{ + /* + * If size < SPA_MINBLOCKSIZE, then we will not allocate from + * this metaslab again. In that case, it had better be empty, + * or we would be leaving space on the table. + */ + ASSERT(size >= SPA_MINBLOCKSIZE || range_tree_space(msp->ms_tree) == 0); + metaslab_group_sort(msp->ms_group, msp, MIN(msp->ms_weight, size)); + ASSERT((msp->ms_weight & METASLAB_ACTIVE_MASK) == 0); +} + +static void +metaslab_preload(void *arg) +{ + metaslab_t *msp = arg; + spa_t *spa = msp->ms_group->mg_vd->vdev_spa; + fstrans_cookie_t cookie = spl_fstrans_mark(); + + ASSERT(!MUTEX_HELD(&msp->ms_group->mg_lock)); + + mutex_enter(&msp->ms_lock); + metaslab_load_wait(msp); + if (!msp->ms_loaded) + (void) metaslab_load(msp); + + /* + * Set the ms_access_txg value so that we don't unload it right away. + */ + msp->ms_access_txg = spa_syncing_txg(spa) + metaslab_unload_delay + 1; + mutex_exit(&msp->ms_lock); + spl_fstrans_unmark(cookie); +} + +static void +metaslab_group_preload(metaslab_group_t *mg) +{ + spa_t *spa = mg->mg_vd->vdev_spa; + metaslab_t *msp; + avl_tree_t *t = &mg->mg_metaslab_tree; + int m = 0; + + if (spa_shutting_down(spa) || !metaslab_preload_enabled) { + taskq_wait_outstanding(mg->mg_taskq, 0); + return; + } + + mutex_enter(&mg->mg_lock); + /* + * Load the next potential metaslabs + */ + msp = avl_first(t); + while (msp != NULL) { + metaslab_t *msp_next = AVL_NEXT(t, msp); + + /* + * We preload only the maximum number of metaslabs specified + * by metaslab_preload_limit. If a metaslab is being forced + * to condense then we preload it too. This will ensure + * that force condensing happens in the next txg. + */ + if (++m > metaslab_preload_limit && !msp->ms_condense_wanted) { + msp = msp_next; + continue; + } + + /* + * We must drop the metaslab group lock here to preserve + * lock ordering with the ms_lock (when grabbing both + * the mg_lock and the ms_lock, the ms_lock must be taken + * first). As a result, it is possible that the ordering + * of the metaslabs within the avl tree may change before + * we reacquire the lock. The metaslab cannot be removed from + * the tree while we're in syncing context so it is safe to + * drop the mg_lock here. If the metaslabs are reordered + * nothing will break -- we just may end up loading a + * less than optimal one. + */ + mutex_exit(&mg->mg_lock); + VERIFY(taskq_dispatch(mg->mg_taskq, metaslab_preload, + msp, TQ_SLEEP) != 0); + mutex_enter(&mg->mg_lock); + msp = msp_next; + } + mutex_exit(&mg->mg_lock); +} + +/* + * Determine if the space map's on-disk footprint is past our tolerance + * for inefficiency. We would like to use the following criteria to make + * our decision: + * + * 1. The size of the space map object should not dramatically increase as a + * result of writing out the free space range tree. + * + * 2. The minimal on-disk space map representation is zfs_condense_pct/100 + * times the size than the free space range tree representation + * (i.e. zfs_condense_pct = 110 and in-core = 1MB, minimal = 1.1.MB). + * + * 3. The on-disk size of the space map should actually decrease. + * + * Checking the first condition is tricky since we don't want to walk + * the entire AVL tree calculating the estimated on-disk size. Instead we + * use the size-ordered range tree in the metaslab and calculate the + * size required to write out the largest segment in our free tree. If the + * size required to represent that segment on disk is larger than the space + * map object then we avoid condensing this map. + * + * To determine the second criterion we use a best-case estimate and assume + * each segment can be represented on-disk as a single 64-bit entry. We refer + * to this best-case estimate as the space map's minimal form. + * + * Unfortunately, we cannot compute the on-disk size of the space map in this + * context because we cannot accurately compute the effects of compression, etc. + * Instead, we apply the heuristic described in the block comment for + * zfs_metaslab_condense_block_threshold - we only condense if the space used + * is greater than a threshold number of blocks. + */ +static boolean_t +metaslab_should_condense(metaslab_t *msp) +{ + space_map_t *sm = msp->ms_sm; + range_seg_t *rs; + uint64_t size, entries, segsz, object_size, optimal_size, record_size; + dmu_object_info_t doi; + uint64_t vdev_blocksize = 1 << msp->ms_group->mg_vd->vdev_ashift; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + ASSERT(msp->ms_loaded); + + /* + * Use the ms_size_tree range tree, which is ordered by size, to + * obtain the largest segment in the free tree. We always condense + * metaslabs that are empty and metaslabs for which a condense + * request has been made. + */ + rs = avl_last(&msp->ms_size_tree); + if (rs == NULL || msp->ms_condense_wanted) + return (B_TRUE); + + /* + * Calculate the number of 64-bit entries this segment would + * require when written to disk. If this single segment would be + * larger on-disk than the entire current on-disk structure, then + * clearly condensing will increase the on-disk structure size. + */ + size = (rs->rs_end - rs->rs_start) >> sm->sm_shift; + entries = size / (MIN(size, SM_RUN_MAX)); + segsz = entries * sizeof (uint64_t); + + optimal_size = sizeof (uint64_t) * avl_numnodes(&msp->ms_tree->rt_root); + object_size = space_map_length(msp->ms_sm); + + dmu_object_info_from_db(sm->sm_dbuf, &doi); + record_size = MAX(doi.doi_data_block_size, vdev_blocksize); + + return (segsz <= object_size && + object_size >= (optimal_size * zfs_condense_pct / 100) && + object_size > zfs_metaslab_condense_block_threshold * record_size); +} + +/* + * Condense the on-disk space map representation to its minimized form. + * The minimized form consists of a small number of allocations followed by + * the entries of the free range tree. + */ +static void +metaslab_condense(metaslab_t *msp, uint64_t txg, dmu_tx_t *tx) +{ + spa_t *spa = msp->ms_group->mg_vd->vdev_spa; + range_tree_t *freetree = msp->ms_freetree[txg & TXG_MASK]; + range_tree_t *condense_tree; + space_map_t *sm = msp->ms_sm; + int t; + + ASSERT(MUTEX_HELD(&msp->ms_lock)); + ASSERT3U(spa_sync_pass(spa), ==, 1); + ASSERT(msp->ms_loaded); + + + spa_dbgmsg(spa, "condensing: txg %llu, msp[%llu] %p, " + "smp size %llu, segments %lu, forcing condense=%s", txg, + msp->ms_id, msp, space_map_length(msp->ms_sm), + avl_numnodes(&msp->ms_tree->rt_root), + msp->ms_condense_wanted ? "TRUE" : "FALSE"); + + msp->ms_condense_wanted = B_FALSE; + + /* + * Create an range tree that is 100% allocated. We remove segments + * that have been freed in this txg, any deferred frees that exist, + * and any allocation in the future. Removing segments should be + * a relatively inexpensive operation since we expect these trees to + * have a small number of nodes. + */ + condense_tree = range_tree_create(NULL, NULL, &msp->ms_lock); + range_tree_add(condense_tree, msp->ms_start, msp->ms_size); + + /* + * Remove what's been freed in this txg from the condense_tree. + * Since we're in sync_pass 1, we know that all the frees from + * this txg are in the freetree. + */ + range_tree_walk(freetree, range_tree_remove, condense_tree); + + for (t = 0; t < TXG_DEFER_SIZE; t++) { + range_tree_walk(msp->ms_defertree[t], + range_tree_remove, condense_tree); + } + + for (t = 1; t < TXG_CONCURRENT_STATES; t++) { + range_tree_walk(msp->ms_alloctree[(txg + t) & TXG_MASK], + range_tree_remove, condense_tree); + } + + /* + * We're about to drop the metaslab's lock thus allowing + * other consumers to change it's content. Set the + * metaslab's ms_condensing flag to ensure that + * allocations on this metaslab do not occur while we're + * in the middle of committing it to disk. This is only critical + * for the ms_tree as all other range trees use per txg + * views of their content. + */ + msp->ms_condensing = B_TRUE; + + mutex_exit(&msp->ms_lock); + space_map_truncate(sm, tx); + mutex_enter(&msp->ms_lock); + + /* + * While we would ideally like to create a space_map representation + * that consists only of allocation records, doing so can be + * prohibitively expensive because the in-core free tree can be + * large, and therefore computationally expensive to subtract + * from the condense_tree. Instead we sync out two trees, a cheap + * allocation only tree followed by the in-core free tree. While not + * optimal, this is typically close to optimal, and much cheaper to + * compute. + */ + space_map_write(sm, condense_tree, SM_ALLOC, tx); + range_tree_vacate(condense_tree, NULL, NULL); + range_tree_destroy(condense_tree); + + space_map_write(sm, msp->ms_tree, SM_FREE, tx); + msp->ms_condensing = B_FALSE; +} + +/* + * Write a metaslab to disk in the context of the specified transaction group. + */ +void +metaslab_sync(metaslab_t *msp, uint64_t txg) +{ + metaslab_group_t *mg = msp->ms_group; + vdev_t *vd = mg->mg_vd; + spa_t *spa = vd->vdev_spa; + objset_t *mos = spa_meta_objset(spa); + range_tree_t *alloctree = msp->ms_alloctree[txg & TXG_MASK]; + range_tree_t **freetree = &msp->ms_freetree[txg & TXG_MASK]; + range_tree_t **freed_tree = + &msp->ms_freetree[TXG_CLEAN(txg) & TXG_MASK]; + dmu_tx_t *tx; + uint64_t object = space_map_object(msp->ms_sm); + + ASSERT(!vd->vdev_ishole); + + /* + * This metaslab has just been added so there's no work to do now. + */ + if (*freetree == NULL) { + ASSERT3P(alloctree, ==, NULL); + return; + } + + ASSERT3P(alloctree, !=, NULL); + ASSERT3P(*freetree, !=, NULL); + ASSERT3P(*freed_tree, !=, NULL); + + /* + * Normally, we don't want to process a metaslab if there + * are no allocations or frees to perform. However, if the metaslab + * is being forced to condense we need to let it through. + */ + if (range_tree_space(alloctree) == 0 && + range_tree_space(*freetree) == 0 && + !msp->ms_condense_wanted) + return; + + /* + * The only state that can actually be changing concurrently with + * metaslab_sync() is the metaslab's ms_tree. No other thread can + * be modifying this txg's alloctree, freetree, freed_tree, or + * space_map_phys_t. Therefore, we only hold ms_lock to satify + * space_map ASSERTs. We drop it whenever we call into the DMU, + * because the DMU can call down to us (e.g. via zio_free()) at + * any time. + */ + + tx = dmu_tx_create_assigned(spa_get_dsl(spa), txg); + + if (msp->ms_sm == NULL) { + uint64_t new_object; + + new_object = space_map_alloc(mos, tx); + VERIFY3U(new_object, !=, 0); + + VERIFY0(space_map_open(&msp->ms_sm, mos, new_object, + msp->ms_start, msp->ms_size, vd->vdev_ashift, + &msp->ms_lock)); + ASSERT(msp->ms_sm != NULL); + } + + mutex_enter(&msp->ms_lock); + + /* + * Note: metaslab_condense() clears the space_map's histogram. + * Therefore we muse verify and remove this histogram before + * condensing. + */ + metaslab_group_histogram_verify(mg); + metaslab_class_histogram_verify(mg->mg_class); + metaslab_group_histogram_remove(mg, msp); + + if (msp->ms_loaded && spa_sync_pass(spa) == 1 && + metaslab_should_condense(msp)) { + metaslab_condense(msp, txg, tx); + } else { + space_map_write(msp->ms_sm, alloctree, SM_ALLOC, tx); + space_map_write(msp->ms_sm, *freetree, SM_FREE, tx); + } + + if (msp->ms_loaded) { + /* + * When the space map is loaded, we have an accruate + * histogram in the range tree. This gives us an opportunity + * to bring the space map's histogram up-to-date so we clear + * it first before updating it. + */ + space_map_histogram_clear(msp->ms_sm); + space_map_histogram_add(msp->ms_sm, msp->ms_tree, tx); + } else { + /* + * Since the space map is not loaded we simply update the + * exisiting histogram with what was freed in this txg. This + * means that the on-disk histogram may not have an accurate + * view of the free space but it's close enough to allow + * us to make allocation decisions. + */ + space_map_histogram_add(msp->ms_sm, *freetree, tx); + } + metaslab_group_histogram_add(mg, msp); + metaslab_group_histogram_verify(mg); + metaslab_class_histogram_verify(mg->mg_class); + + /* + * For sync pass 1, we avoid traversing this txg's free range tree + * and instead will just swap the pointers for freetree and + * freed_tree. We can safely do this since the freed_tree is + * guaranteed to be empty on the initial pass. + */ + if (spa_sync_pass(spa) == 1) { + range_tree_swap(freetree, freed_tree); + } else { + range_tree_vacate(*freetree, range_tree_add, *freed_tree); + } + range_tree_vacate(alloctree, NULL, NULL); + + ASSERT0(range_tree_space(msp->ms_alloctree[txg & TXG_MASK])); + ASSERT0(range_tree_space(msp->ms_freetree[txg & TXG_MASK])); + + mutex_exit(&msp->ms_lock); + + if (object != space_map_object(msp->ms_sm)) { + object = space_map_object(msp->ms_sm); + dmu_write(mos, vd->vdev_ms_array, sizeof (uint64_t) * + msp->ms_id, sizeof (uint64_t), &object, tx); + } + dmu_tx_commit(tx); +} + +/* + * Called after a transaction group has completely synced to mark + * all of the metaslab's free space as usable. + */ +void +metaslab_sync_done(metaslab_t *msp, uint64_t txg) +{ + metaslab_group_t *mg = msp->ms_group; + vdev_t *vd = mg->mg_vd; + range_tree_t **freed_tree; + range_tree_t **defer_tree; + int64_t alloc_delta, defer_delta; + int t; + + ASSERT(!vd->vdev_ishole); + + mutex_enter(&msp->ms_lock); + + /* + * If this metaslab is just becoming available, initialize its + * alloctrees, freetrees, and defertree and add its capacity to + * the vdev. + */ + if (msp->ms_freetree[TXG_CLEAN(txg) & TXG_MASK] == NULL) { + for (t = 0; t < TXG_SIZE; t++) { + ASSERT(msp->ms_alloctree[t] == NULL); + ASSERT(msp->ms_freetree[t] == NULL); + + msp->ms_alloctree[t] = range_tree_create(NULL, msp, + &msp->ms_lock); + msp->ms_freetree[t] = range_tree_create(NULL, msp, + &msp->ms_lock); + } + + for (t = 0; t < TXG_DEFER_SIZE; t++) { + ASSERT(msp->ms_defertree[t] == NULL); + + msp->ms_defertree[t] = range_tree_create(NULL, msp, + &msp->ms_lock); + } + + vdev_space_update(vd, 0, 0, msp->ms_size); + } + + freed_tree = &msp->ms_freetree[TXG_CLEAN(txg) & TXG_MASK]; + defer_tree = &msp->ms_defertree[txg % TXG_DEFER_SIZE]; + + alloc_delta = space_map_alloc_delta(msp->ms_sm); + defer_delta = range_tree_space(*freed_tree) - + range_tree_space(*defer_tree); + + vdev_space_update(vd, alloc_delta + defer_delta, defer_delta, 0); + + ASSERT0(range_tree_space(msp->ms_alloctree[txg & TXG_MASK])); + ASSERT0(range_tree_space(msp->ms_freetree[txg & TXG_MASK])); + + /* + * If there's a metaslab_load() in progress, wait for it to complete + * so that we have a consistent view of the in-core space map. + */ + metaslab_load_wait(msp); + + /* + * Move the frees from the defer_tree back to the free + * range tree (if it's loaded). Swap the freed_tree and the + * defer_tree -- this is safe to do because we've just emptied out + * the defer_tree. + */ + range_tree_vacate(*defer_tree, + msp->ms_loaded ? range_tree_add : NULL, msp->ms_tree); + range_tree_swap(freed_tree, defer_tree); + + space_map_update(msp->ms_sm); + + msp->ms_deferspace += defer_delta; + ASSERT3S(msp->ms_deferspace, >=, 0); + ASSERT3S(msp->ms_deferspace, <=, msp->ms_size); + if (msp->ms_deferspace != 0) { + /* + * Keep syncing this metaslab until all deferred frees + * are back in circulation. + */ + vdev_dirty(vd, VDD_METASLAB, msp, txg + 1); + } + + if (msp->ms_loaded && msp->ms_access_txg < txg) { + for (t = 1; t < TXG_CONCURRENT_STATES; t++) { + VERIFY0(range_tree_space( + msp->ms_alloctree[(txg + t) & TXG_MASK])); + } + + if (!metaslab_debug_unload) + metaslab_unload(msp); + } + + metaslab_group_sort(mg, msp, metaslab_weight(msp)); + mutex_exit(&msp->ms_lock); +} + +void +metaslab_sync_reassess(metaslab_group_t *mg) +{ + metaslab_group_alloc_update(mg); + mg->mg_fragmentation = metaslab_group_fragmentation(mg); + + /* + * Preload the next potential metaslabs + */ + metaslab_group_preload(mg); +} + +static uint64_t +metaslab_distance(metaslab_t *msp, dva_t *dva) +{ + uint64_t ms_shift = msp->ms_group->mg_vd->vdev_ms_shift; + uint64_t offset = DVA_GET_OFFSET(dva) >> ms_shift; + uint64_t start = msp->ms_id; + + if (msp->ms_group->mg_vd->vdev_id != DVA_GET_VDEV(dva)) + return (1ULL << 63); + + if (offset < start) + return ((start - offset) << ms_shift); + if (offset > start) + return ((offset - start) << ms_shift); + return (0); +} + +static uint64_t +metaslab_group_alloc(metaslab_group_t *mg, uint64_t psize, uint64_t asize, + uint64_t txg, uint64_t min_distance, dva_t *dva, int d) +{ + spa_t *spa = mg->mg_vd->vdev_spa; + metaslab_t *msp = NULL; + uint64_t offset = -1ULL; + avl_tree_t *t = &mg->mg_metaslab_tree; + uint64_t activation_weight; + uint64_t target_distance; + int i; + + activation_weight = METASLAB_WEIGHT_PRIMARY; + for (i = 0; i < d; i++) { + if (DVA_GET_VDEV(&dva[i]) == mg->mg_vd->vdev_id) { + activation_weight = METASLAB_WEIGHT_SECONDARY; + break; + } + } + + for (;;) { + boolean_t was_active; + + mutex_enter(&mg->mg_lock); + for (msp = avl_first(t); msp; msp = AVL_NEXT(t, msp)) { + if (msp->ms_weight < asize) { + spa_dbgmsg(spa, "%s: failed to meet weight " + "requirement: vdev %llu, txg %llu, mg %p, " + "msp %p, psize %llu, asize %llu, " + "weight %llu", spa_name(spa), + mg->mg_vd->vdev_id, txg, + mg, msp, psize, asize, msp->ms_weight); + mutex_exit(&mg->mg_lock); + return (-1ULL); + } + + /* + * If the selected metaslab is condensing, skip it. + */ + if (msp->ms_condensing) + continue; + + was_active = msp->ms_weight & METASLAB_ACTIVE_MASK; + if (activation_weight == METASLAB_WEIGHT_PRIMARY) + break; + + target_distance = min_distance + + (space_map_allocated(msp->ms_sm) != 0 ? 0 : + min_distance >> 1); + + for (i = 0; i < d; i++) + if (metaslab_distance(msp, &dva[i]) < + target_distance) + break; + if (i == d) + break; + } + mutex_exit(&mg->mg_lock); + if (msp == NULL) + return (-1ULL); + + mutex_enter(&msp->ms_lock); + + /* + * Ensure that the metaslab we have selected is still + * capable of handling our request. It's possible that + * another thread may have changed the weight while we + * were blocked on the metaslab lock. + */ + if (msp->ms_weight < asize || (was_active && + !(msp->ms_weight & METASLAB_ACTIVE_MASK) && + activation_weight == METASLAB_WEIGHT_PRIMARY)) { + mutex_exit(&msp->ms_lock); + continue; + } + + if ((msp->ms_weight & METASLAB_WEIGHT_SECONDARY) && + activation_weight == METASLAB_WEIGHT_PRIMARY) { + metaslab_passivate(msp, + msp->ms_weight & ~METASLAB_ACTIVE_MASK); + mutex_exit(&msp->ms_lock); + continue; + } + + if (metaslab_activate(msp, activation_weight) != 0) { + mutex_exit(&msp->ms_lock); + continue; + } + + /* + * If this metaslab is currently condensing then pick again as + * we can't manipulate this metaslab until it's committed + * to disk. + */ + if (msp->ms_condensing) { + mutex_exit(&msp->ms_lock); + continue; + } + + if ((offset = metaslab_block_alloc(msp, asize)) != -1ULL) + break; + + metaslab_passivate(msp, metaslab_block_maxsize(msp)); + mutex_exit(&msp->ms_lock); + } + + if (range_tree_space(msp->ms_alloctree[txg & TXG_MASK]) == 0) + vdev_dirty(mg->mg_vd, VDD_METASLAB, msp, txg); + + range_tree_add(msp->ms_alloctree[txg & TXG_MASK], offset, asize); + msp->ms_access_txg = txg + metaslab_unload_delay; + + mutex_exit(&msp->ms_lock); + + return (offset); +} + +/* + * Allocate a block for the specified i/o. + */ +static int +metaslab_alloc_dva(spa_t *spa, metaslab_class_t *mc, uint64_t psize, + dva_t *dva, int d, dva_t *hintdva, uint64_t txg, int flags) +{ + metaslab_group_t *mg, *fast_mg, *rotor; + vdev_t *vd; + int dshift = 3; + int all_zero; + int zio_lock = B_FALSE; + boolean_t allocatable; + uint64_t offset = -1ULL; + uint64_t asize; + uint64_t distance; + + ASSERT(!DVA_IS_VALID(&dva[d])); + + /* + * For testing, make some blocks above a certain size be gang blocks. + */ + if (psize >= metaslab_gang_bang && (ddi_get_lbolt() & 3) == 0) + return (SET_ERROR(ENOSPC)); + + if (flags & METASLAB_FASTWRITE) + mutex_enter(&mc->mc_fastwrite_lock); + + /* + * Start at the rotor and loop through all mgs until we find something. + * Note that there's no locking on mc_rotor or mc_aliquot because + * nothing actually breaks if we miss a few updates -- we just won't + * allocate quite as evenly. It all balances out over time. + * + * If we are doing ditto or log blocks, try to spread them across + * consecutive vdevs. If we're forced to reuse a vdev before we've + * allocated all of our ditto blocks, then try and spread them out on + * that vdev as much as possible. If it turns out to not be possible, + * gradually lower our standards until anything becomes acceptable. + * Also, allocating on consecutive vdevs (as opposed to random vdevs) + * gives us hope of containing our fault domains to something we're + * able to reason about. Otherwise, any two top-level vdev failures + * will guarantee the loss of data. With consecutive allocation, + * only two adjacent top-level vdev failures will result in data loss. + * + * If we are doing gang blocks (hintdva is non-NULL), try to keep + * ourselves on the same vdev as our gang block header. That + * way, we can hope for locality in vdev_cache, plus it makes our + * fault domains something tractable. + */ + if (hintdva) { + vd = vdev_lookup_top(spa, DVA_GET_VDEV(&hintdva[d])); + + /* + * It's possible the vdev we're using as the hint no + * longer exists (i.e. removed). Consult the rotor when + * all else fails. + */ + if (vd != NULL) { + mg = vd->vdev_mg; + + if (flags & METASLAB_HINTBP_AVOID && + mg->mg_next != NULL) + mg = mg->mg_next; + } else { + mg = mc->mc_rotor; + } + } else if (d != 0) { + vd = vdev_lookup_top(spa, DVA_GET_VDEV(&dva[d - 1])); + mg = vd->vdev_mg->mg_next; + } else if (flags & METASLAB_FASTWRITE) { + mg = fast_mg = mc->mc_rotor; + + do { + if (fast_mg->mg_vd->vdev_pending_fastwrite < + mg->mg_vd->vdev_pending_fastwrite) + mg = fast_mg; + } while ((fast_mg = fast_mg->mg_next) != mc->mc_rotor); + + } else { + mg = mc->mc_rotor; + } + + /* + * If the hint put us into the wrong metaslab class, or into a + * metaslab group that has been passivated, just follow the rotor. + */ + if (mg->mg_class != mc || mg->mg_activation_count <= 0) + mg = mc->mc_rotor; + + rotor = mg; +top: + all_zero = B_TRUE; + do { + ASSERT(mg->mg_activation_count == 1); + + vd = mg->mg_vd; + + /* + * Don't allocate from faulted devices. + */ + if (zio_lock) { + spa_config_enter(spa, SCL_ZIO, FTAG, RW_READER); + allocatable = vdev_allocatable(vd); + spa_config_exit(spa, SCL_ZIO, FTAG); + } else { + allocatable = vdev_allocatable(vd); + } + + /* + * Determine if the selected metaslab group is eligible + * for allocations. If we're ganging or have requested + * an allocation for the smallest gang block size + * then we don't want to avoid allocating to the this + * metaslab group. If we're in this condition we should + * try to allocate from any device possible so that we + * don't inadvertently return ENOSPC and suspend the pool + * even though space is still available. + */ + if (allocatable && CAN_FASTGANG(flags) && + psize > SPA_GANGBLOCKSIZE) + allocatable = metaslab_group_allocatable(mg); + + if (!allocatable) + goto next; + + /* + * Avoid writing single-copy data to a failing vdev + * unless the user instructs us that it is okay. + */ + if ((vd->vdev_stat.vs_write_errors > 0 || + vd->vdev_state < VDEV_STATE_HEALTHY) && + d == 0 && dshift == 3 && vd->vdev_children == 0) { + all_zero = B_FALSE; + goto next; + } + + ASSERT(mg->mg_class == mc); + + distance = vd->vdev_asize >> dshift; + if (distance <= (1ULL << vd->vdev_ms_shift)) + distance = 0; + else + all_zero = B_FALSE; + + asize = vdev_psize_to_asize(vd, psize); + ASSERT(P2PHASE(asize, 1ULL << vd->vdev_ashift) == 0); + + offset = metaslab_group_alloc(mg, psize, asize, txg, distance, + dva, d); + if (offset != -1ULL) { + /* + * If we've just selected this metaslab group, + * figure out whether the corresponding vdev is + * over- or under-used relative to the pool, + * and set an allocation bias to even it out. + * + * Bias is also used to compensate for unequally + * sized vdevs so that space is allocated fairly. + */ + if (mc->mc_aliquot == 0 && metaslab_bias_enabled) { + vdev_stat_t *vs = &vd->vdev_stat; + int64_t vs_free = vs->vs_space - vs->vs_alloc; + int64_t mc_free = mc->mc_space - mc->mc_alloc; + int64_t ratio; + + /* + * Calculate how much more or less we should + * try to allocate from this device during + * this iteration around the rotor. + * + * This basically introduces a zero-centered + * bias towards the devices with the most + * free space, while compensating for vdev + * size differences. + * + * Examples: + * vdev V1 = 16M/128M + * vdev V2 = 16M/128M + * ratio(V1) = 100% ratio(V2) = 100% + * + * vdev V1 = 16M/128M + * vdev V2 = 64M/128M + * ratio(V1) = 127% ratio(V2) = 72% + * + * vdev V1 = 16M/128M + * vdev V2 = 64M/512M + * ratio(V1) = 40% ratio(V2) = 160% + */ + ratio = (vs_free * mc->mc_alloc_groups * 100) / + (mc_free + 1); + mg->mg_bias = ((ratio - 100) * + (int64_t)mg->mg_aliquot) / 100; + } else if (!metaslab_bias_enabled) { + mg->mg_bias = 0; + } + + if ((flags & METASLAB_FASTWRITE) || + atomic_add_64_nv(&mc->mc_aliquot, asize) >= + mg->mg_aliquot + mg->mg_bias) { + mc->mc_rotor = mg->mg_next; + mc->mc_aliquot = 0; + } + + DVA_SET_VDEV(&dva[d], vd->vdev_id); + DVA_SET_OFFSET(&dva[d], offset); + DVA_SET_GANG(&dva[d], !!(flags & METASLAB_GANG_HEADER)); + DVA_SET_ASIZE(&dva[d], asize); + + if (flags & METASLAB_FASTWRITE) { + atomic_add_64(&vd->vdev_pending_fastwrite, + psize); + mutex_exit(&mc->mc_fastwrite_lock); + } + + return (0); + } +next: + mc->mc_rotor = mg->mg_next; + mc->mc_aliquot = 0; + } while ((mg = mg->mg_next) != rotor); + + if (!all_zero) { + dshift++; + ASSERT(dshift < 64); + goto top; + } + + if (!allocatable && !zio_lock) { + dshift = 3; + zio_lock = B_TRUE; + goto top; + } + + bzero(&dva[d], sizeof (dva_t)); + + if (flags & METASLAB_FASTWRITE) + mutex_exit(&mc->mc_fastwrite_lock); + + return (SET_ERROR(ENOSPC)); +} + +/* + * Free the block represented by DVA in the context of the specified + * transaction group. + */ +static void +metaslab_free_dva(spa_t *spa, const dva_t *dva, uint64_t txg, boolean_t now) +{ + uint64_t vdev = DVA_GET_VDEV(dva); + uint64_t offset = DVA_GET_OFFSET(dva); + uint64_t size = DVA_GET_ASIZE(dva); + vdev_t *vd; + metaslab_t *msp; + + if (txg > spa_freeze_txg(spa)) + return; + + if ((vd = vdev_lookup_top(spa, vdev)) == NULL || !DVA_IS_VALID(dva) || + (offset >> vd->vdev_ms_shift) >= vd->vdev_ms_count) { + zfs_panic_recover("metaslab_free_dva(): bad DVA %llu:%llu:%llu", + (u_longlong_t)vdev, (u_longlong_t)offset, + (u_longlong_t)size); + return; + } + + msp = vd->vdev_ms[offset >> vd->vdev_ms_shift]; + + if (DVA_GET_GANG(dva)) + size = vdev_psize_to_asize(vd, SPA_GANGBLOCKSIZE); + + mutex_enter(&msp->ms_lock); + + if (now) { + range_tree_remove(msp->ms_alloctree[txg & TXG_MASK], + offset, size); + + VERIFY(!msp->ms_condensing); + VERIFY3U(offset, >=, msp->ms_start); + VERIFY3U(offset + size, <=, msp->ms_start + msp->ms_size); + VERIFY3U(range_tree_space(msp->ms_tree) + size, <=, + msp->ms_size); + VERIFY0(P2PHASE(offset, 1ULL << vd->vdev_ashift)); + VERIFY0(P2PHASE(size, 1ULL << vd->vdev_ashift)); + range_tree_add(msp->ms_tree, offset, size); + } else { + if (range_tree_space(msp->ms_freetree[txg & TXG_MASK]) == 0) + vdev_dirty(vd, VDD_METASLAB, msp, txg); + range_tree_add(msp->ms_freetree[txg & TXG_MASK], + offset, size); + } + + mutex_exit(&msp->ms_lock); +} + +/* + * Intent log support: upon opening the pool after a crash, notify the SPA + * of blocks that the intent log has allocated for immediate write, but + * which are still considered free by the SPA because the last transaction + * group didn't commit yet. + */ +static int +metaslab_claim_dva(spa_t *spa, const dva_t *dva, uint64_t txg) +{ + uint64_t vdev = DVA_GET_VDEV(dva); + uint64_t offset = DVA_GET_OFFSET(dva); + uint64_t size = DVA_GET_ASIZE(dva); + vdev_t *vd; + metaslab_t *msp; + int error = 0; + + ASSERT(DVA_IS_VALID(dva)); + + if ((vd = vdev_lookup_top(spa, vdev)) == NULL || + (offset >> vd->vdev_ms_shift) >= vd->vdev_ms_count) + return (SET_ERROR(ENXIO)); + + msp = vd->vdev_ms[offset >> vd->vdev_ms_shift]; + + if (DVA_GET_GANG(dva)) + size = vdev_psize_to_asize(vd, SPA_GANGBLOCKSIZE); + + mutex_enter(&msp->ms_lock); + + if ((txg != 0 && spa_writeable(spa)) || !msp->ms_loaded) + error = metaslab_activate(msp, METASLAB_WEIGHT_SECONDARY); + + if (error == 0 && !range_tree_contains(msp->ms_tree, offset, size)) + error = SET_ERROR(ENOENT); + + if (error || txg == 0) { /* txg == 0 indicates dry run */ + mutex_exit(&msp->ms_lock); + return (error); + } + + VERIFY(!msp->ms_condensing); + VERIFY0(P2PHASE(offset, 1ULL << vd->vdev_ashift)); + VERIFY0(P2PHASE(size, 1ULL << vd->vdev_ashift)); + VERIFY3U(range_tree_space(msp->ms_tree) - size, <=, msp->ms_size); + range_tree_remove(msp->ms_tree, offset, size); + + if (spa_writeable(spa)) { /* don't dirty if we're zdb(1M) */ + if (range_tree_space(msp->ms_alloctree[txg & TXG_MASK]) == 0) + vdev_dirty(vd, VDD_METASLAB, msp, txg); + range_tree_add(msp->ms_alloctree[txg & TXG_MASK], offset, size); + } + + mutex_exit(&msp->ms_lock); + + return (0); +} + +int +metaslab_alloc(spa_t *spa, metaslab_class_t *mc, uint64_t psize, blkptr_t *bp, + int ndvas, uint64_t txg, blkptr_t *hintbp, int flags) +{ + dva_t *dva = bp->blk_dva; + dva_t *hintdva = hintbp->blk_dva; + int d, error = 0; + + ASSERT(bp->blk_birth == 0); + ASSERT(BP_PHYSICAL_BIRTH(bp) == 0); + + spa_config_enter(spa, SCL_ALLOC, FTAG, RW_READER); + + if (mc->mc_rotor == NULL) { /* no vdevs in this class */ + spa_config_exit(spa, SCL_ALLOC, FTAG); + return (SET_ERROR(ENOSPC)); + } + + ASSERT(ndvas > 0 && ndvas <= spa_max_replication(spa)); + ASSERT(BP_GET_NDVAS(bp) == 0); + ASSERT(hintbp == NULL || ndvas <= BP_GET_NDVAS(hintbp)); + + for (d = 0; d < ndvas; d++) { + error = metaslab_alloc_dva(spa, mc, psize, dva, d, hintdva, + txg, flags); + if (error != 0) { + for (d--; d >= 0; d--) { + metaslab_free_dva(spa, &dva[d], txg, B_TRUE); + bzero(&dva[d], sizeof (dva_t)); + } + spa_config_exit(spa, SCL_ALLOC, FTAG); + return (error); + } + } + ASSERT(error == 0); + ASSERT(BP_GET_NDVAS(bp) == ndvas); + + spa_config_exit(spa, SCL_ALLOC, FTAG); + + BP_SET_BIRTH(bp, txg, txg); + + return (0); +} + +void +metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg, boolean_t now) +{ + const dva_t *dva = bp->blk_dva; + int d, ndvas = BP_GET_NDVAS(bp); + + ASSERT(!BP_IS_HOLE(bp)); + ASSERT(!now || bp->blk_birth >= spa_syncing_txg(spa)); + + spa_config_enter(spa, SCL_FREE, FTAG, RW_READER); + + for (d = 0; d < ndvas; d++) + metaslab_free_dva(spa, &dva[d], txg, now); + + spa_config_exit(spa, SCL_FREE, FTAG); +} + +int +metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg) +{ + const dva_t *dva = bp->blk_dva; + int ndvas = BP_GET_NDVAS(bp); + int d, error = 0; + + ASSERT(!BP_IS_HOLE(bp)); + + if (txg != 0) { + /* + * First do a dry run to make sure all DVAs are claimable, + * so we don't have to unwind from partial failures below. + */ + if ((error = metaslab_claim(spa, bp, 0)) != 0) + return (error); + } + + spa_config_enter(spa, SCL_ALLOC, FTAG, RW_READER); + + for (d = 0; d < ndvas; d++) + if ((error = metaslab_claim_dva(spa, &dva[d], txg)) != 0) + break; + + spa_config_exit(spa, SCL_ALLOC, FTAG); + + ASSERT(error == 0 || txg == 0); + + return (error); +} + +void +metaslab_fastwrite_mark(spa_t *spa, const blkptr_t *bp) +{ + const dva_t *dva = bp->blk_dva; + int ndvas = BP_GET_NDVAS(bp); + uint64_t psize = BP_GET_PSIZE(bp); + int d; + vdev_t *vd; + + ASSERT(!BP_IS_HOLE(bp)); + ASSERT(!BP_IS_EMBEDDED(bp)); + ASSERT(psize > 0); + + spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); + + for (d = 0; d < ndvas; d++) { + if ((vd = vdev_lookup_top(spa, DVA_GET_VDEV(&dva[d]))) == NULL) + continue; + atomic_add_64(&vd->vdev_pending_fastwrite, psize); + } + + spa_config_exit(spa, SCL_VDEV, FTAG); +} + +void +metaslab_fastwrite_unmark(spa_t *spa, const blkptr_t *bp) +{ + const dva_t *dva = bp->blk_dva; + int ndvas = BP_GET_NDVAS(bp); + uint64_t psize = BP_GET_PSIZE(bp); + int d; + vdev_t *vd; + + ASSERT(!BP_IS_HOLE(bp)); + ASSERT(!BP_IS_EMBEDDED(bp)); + ASSERT(psize > 0); + + spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); + + for (d = 0; d < ndvas; d++) { + if ((vd = vdev_lookup_top(spa, DVA_GET_VDEV(&dva[d]))) == NULL) + continue; + ASSERT3U(vd->vdev_pending_fastwrite, >=, psize); + atomic_sub_64(&vd->vdev_pending_fastwrite, psize); + } + + spa_config_exit(spa, SCL_VDEV, FTAG); +} + +void +metaslab_check_free(spa_t *spa, const blkptr_t *bp) +{ + int i, j; + + if ((zfs_flags & ZFS_DEBUG_ZIO_FREE) == 0) + return; + + spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); + for (i = 0; i < BP_GET_NDVAS(bp); i++) { + uint64_t vdev = DVA_GET_VDEV(&bp->blk_dva[i]); + vdev_t *vd = vdev_lookup_top(spa, vdev); + uint64_t offset = DVA_GET_OFFSET(&bp->blk_dva[i]); + uint64_t size = DVA_GET_ASIZE(&bp->blk_dva[i]); + metaslab_t *msp = vd->vdev_ms[offset >> vd->vdev_ms_shift]; + + if (msp->ms_loaded) + range_tree_verify(msp->ms_tree, offset, size); + + for (j = 0; j < TXG_SIZE; j++) + range_tree_verify(msp->ms_freetree[j], offset, size); + for (j = 0; j < TXG_DEFER_SIZE; j++) + range_tree_verify(msp->ms_defertree[j], offset, size); + } + spa_config_exit(spa, SCL_VDEV, FTAG); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(metaslab_aliquot, ulong, 0644); +module_param(metaslab_debug_load, int, 0644); +module_param(metaslab_debug_unload, int, 0644); +module_param(metaslab_preload_enabled, int, 0644); +module_param(zfs_mg_noalloc_threshold, int, 0644); +module_param(zfs_mg_fragmentation_threshold, int, 0644); +module_param(zfs_metaslab_fragmentation_threshold, int, 0644); +module_param(metaslab_fragmentation_factor_enabled, int, 0644); +module_param(metaslab_lba_weighting_enabled, int, 0644); +module_param(metaslab_bias_enabled, int, 0644); + +MODULE_PARM_DESC(metaslab_aliquot, + "allocation granularity (a.k.a. stripe size)"); +MODULE_PARM_DESC(metaslab_debug_load, + "load all metaslabs when pool is first opened"); +MODULE_PARM_DESC(metaslab_debug_unload, + "prevent metaslabs from being unloaded"); +MODULE_PARM_DESC(metaslab_preload_enabled, + "preload potential metaslabs during reassessment"); + +MODULE_PARM_DESC(zfs_mg_noalloc_threshold, + "percentage of free space for metaslab group to allow allocation"); +MODULE_PARM_DESC(zfs_mg_fragmentation_threshold, + "fragmentation for metaslab group to allow allocation"); + +MODULE_PARM_DESC(zfs_metaslab_fragmentation_threshold, + "fragmentation for metaslab to allow allocation"); +MODULE_PARM_DESC(metaslab_fragmentation_factor_enabled, + "use the fragmentation metric to prefer less fragmented metaslabs"); +MODULE_PARM_DESC(metaslab_lba_weighting_enabled, + "prefer metaslabs with lower LBAs"); +MODULE_PARM_DESC(metaslab_bias_enabled, + "enable metaslab group biasing"); +#endif /* _KERNEL && HAVE_SPL */ diff --git a/zfs/module/zfs/multilist.c b/zfs/module/zfs/multilist.c new file mode 100644 index 000000000000..e4446ded2208 --- /dev/null +++ b/zfs/module/zfs/multilist.c @@ -0,0 +1,375 @@ +/* + * CDDL HEADER START + * + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include + +/* needed for spa_get_random() */ +#include + +/* + * Given the object contained on the list, return a pointer to the + * object's multilist_node_t structure it contains. + */ +#ifdef DEBUG +static multilist_node_t * +multilist_d2l(multilist_t *ml, void *obj) +{ + return ((multilist_node_t *)((char *)obj + ml->ml_offset)); +} +#endif + +/* + * Initialize a new mutlilist using the parameters specified. + * + * - 'size' denotes the size of the structure containing the + * multilist_node_t. + * - 'offset' denotes the byte offset of the mutlilist_node_t within + * the structure that contains it. + * - 'num' specifies the number of internal sublists to create. + * - 'index_func' is used to determine which sublist to insert into + * when the multilist_insert() function is called; as well as which + * sublist to remove from when multilist_remove() is called. The + * requirements this function must meet, are the following: + * + * - It must always return the same value when called on the same + * object (to ensure the object is removed from the list it was + * inserted into). + * + * - It must return a value in the range [0, number of sublists). + * The multilist_get_num_sublists() function may be used to + * determine the number of sublists in the multilist. + * + * Also, in order to reduce internal contention between the sublists + * during insertion and removal, this function should choose evenly + * between all available sublists when inserting. This isn't a hard + * requirement, but a general rule of thumb in order to garner the + * best multi-threaded performance out of the data structure. + */ +void +multilist_create(multilist_t *ml, size_t size, size_t offset, unsigned int num, + multilist_sublist_index_func_t *index_func) +{ + int i; + + ASSERT3P(ml, !=, NULL); + ASSERT3U(size, >, 0); + ASSERT3U(size, >=, offset + sizeof (multilist_node_t)); + ASSERT3U(num, >, 0); + ASSERT3P(index_func, !=, NULL); + + ml->ml_offset = offset; + ml->ml_num_sublists = num; + ml->ml_index_func = index_func; + + ml->ml_sublists = kmem_zalloc(sizeof (multilist_sublist_t) * + ml->ml_num_sublists, KM_SLEEP); + + ASSERT3P(ml->ml_sublists, !=, NULL); + + for (i = 0; i < ml->ml_num_sublists; i++) { + multilist_sublist_t *mls = &ml->ml_sublists[i]; + mutex_init(&mls->mls_lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&mls->mls_list, size, offset); + } +} + +/* + * Destroy the given multilist object, and free up any memory it holds. + */ +void +multilist_destroy(multilist_t *ml) +{ + int i; + + ASSERT(multilist_is_empty(ml)); + + for (i = 0; i < ml->ml_num_sublists; i++) { + multilist_sublist_t *mls = &ml->ml_sublists[i]; + + ASSERT(list_is_empty(&mls->mls_list)); + + list_destroy(&mls->mls_list); + mutex_destroy(&mls->mls_lock); + } + + ASSERT3P(ml->ml_sublists, !=, NULL); + kmem_free(ml->ml_sublists, + sizeof (multilist_sublist_t) * ml->ml_num_sublists); + + ml->ml_num_sublists = 0; + ml->ml_offset = 0; +} + +/* + * Insert the given object into the multilist. + * + * This function will insert the object specified into the sublist + * determined using the function given at multilist creation time. + * + * The sublist locks are automatically acquired if not already held, to + * ensure consistency when inserting and removing from multiple threads. + */ +void +multilist_insert(multilist_t *ml, void *obj) +{ + unsigned int sublist_idx = ml->ml_index_func(ml, obj); + multilist_sublist_t *mls; + boolean_t need_lock; + + DTRACE_PROBE3(multilist__insert, multilist_t *, ml, + unsigned int, sublist_idx, void *, obj); + + ASSERT3U(sublist_idx, <, ml->ml_num_sublists); + + mls = &ml->ml_sublists[sublist_idx]; + + /* + * Note: Callers may already hold the sublist lock by calling + * multilist_sublist_lock(). Here we rely on MUTEX_HELD() + * returning TRUE if and only if the current thread holds the + * lock. While it's a little ugly to make the lock recursive in + * this way, it works and allows the calling code to be much + * simpler -- otherwise it would have to pass around a flag + * indicating that it already has the lock. + */ + need_lock = !MUTEX_HELD(&mls->mls_lock); + + if (need_lock) + mutex_enter(&mls->mls_lock); + + ASSERT(!multilist_link_active(multilist_d2l(ml, obj))); + + multilist_sublist_insert_head(mls, obj); + + if (need_lock) + mutex_exit(&mls->mls_lock); +} + +/* + * Remove the given object from the multilist. + * + * This function will remove the object specified from the sublist + * determined using the function given at multilist creation time. + * + * The necessary sublist locks are automatically acquired, to ensure + * consistency when inserting and removing from multiple threads. + */ +void +multilist_remove(multilist_t *ml, void *obj) +{ + unsigned int sublist_idx = ml->ml_index_func(ml, obj); + multilist_sublist_t *mls; + boolean_t need_lock; + + DTRACE_PROBE3(multilist__remove, multilist_t *, ml, + unsigned int, sublist_idx, void *, obj); + + ASSERT3U(sublist_idx, <, ml->ml_num_sublists); + + mls = &ml->ml_sublists[sublist_idx]; + /* See comment in multilist_insert(). */ + need_lock = !MUTEX_HELD(&mls->mls_lock); + + if (need_lock) + mutex_enter(&mls->mls_lock); + + ASSERT(multilist_link_active(multilist_d2l(ml, obj))); + + multilist_sublist_remove(mls, obj); + + if (need_lock) + mutex_exit(&mls->mls_lock); +} + +/* + * Check to see if this multilist object is empty. + * + * This will return TRUE if it finds all of the sublists of this + * multilist to be empty, and FALSE otherwise. Each sublist lock will be + * automatically acquired as necessary. + * + * If concurrent insertions and removals are occurring, the semantics + * of this function become a little fuzzy. Instead of locking all + * sublists for the entire call time of the function, each sublist is + * only locked as it is individually checked for emptiness. Thus, it's + * possible for this function to return TRUE with non-empty sublists at + * the time the function returns. This would be due to another thread + * inserting into a given sublist, after that specific sublist was check + * and deemed empty, but before all sublists have been checked. + */ +int +multilist_is_empty(multilist_t *ml) +{ + int i; + + for (i = 0; i < ml->ml_num_sublists; i++) { + multilist_sublist_t *mls = &ml->ml_sublists[i]; + /* See comment in multilist_insert(). */ + boolean_t need_lock = !MUTEX_HELD(&mls->mls_lock); + + if (need_lock) + mutex_enter(&mls->mls_lock); + + if (!list_is_empty(&mls->mls_list)) { + if (need_lock) + mutex_exit(&mls->mls_lock); + + return (FALSE); + } + + if (need_lock) + mutex_exit(&mls->mls_lock); + } + + return (TRUE); +} + +/* Return the number of sublists composing this multilist */ +unsigned int +multilist_get_num_sublists(multilist_t *ml) +{ + return (ml->ml_num_sublists); +} + +/* Return a randomly selected, valid sublist index for this multilist */ +unsigned int +multilist_get_random_index(multilist_t *ml) +{ + return (spa_get_random(ml->ml_num_sublists)); +} + +/* Lock and return the sublist specified at the given index */ +multilist_sublist_t * +multilist_sublist_lock(multilist_t *ml, unsigned int sublist_idx) +{ + multilist_sublist_t *mls; + + ASSERT3U(sublist_idx, <, ml->ml_num_sublists); + mls = &ml->ml_sublists[sublist_idx]; + mutex_enter(&mls->mls_lock); + + return (mls); +} + +void +multilist_sublist_unlock(multilist_sublist_t *mls) +{ + mutex_exit(&mls->mls_lock); +} + +/* + * We're allowing any object to be inserted into this specific sublist, + * but this can lead to trouble if multilist_remove() is called to + * remove this object. Specifically, if calling ml_index_func on this + * object returns an index for sublist different than what is passed as + * a parameter here, any call to multilist_remove() with this newly + * inserted object is undefined! (the call to multilist_remove() will + * remove the object from a list that it isn't contained in) + */ +void +multilist_sublist_insert_head(multilist_sublist_t *mls, void *obj) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + list_insert_head(&mls->mls_list, obj); +} + +/* please see comment above multilist_sublist_insert_head */ +void +multilist_sublist_insert_tail(multilist_sublist_t *mls, void *obj) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + list_insert_tail(&mls->mls_list, obj); +} + +/* + * Move the object one element forward in the list. + * + * This function will move the given object forward in the list (towards + * the head) by one object. So, in essence, it will swap its position in + * the list with its "prev" pointer. If the given object is already at the + * head of the list, it cannot be moved forward any more than it already + * is, so no action is taken. + * + * NOTE: This function **must not** remove any object from the list other + * than the object given as the parameter. This is relied upon in + * arc_evict_state_impl(). + */ +void +multilist_sublist_move_forward(multilist_sublist_t *mls, void *obj) +{ + void *prev = list_prev(&mls->mls_list, obj); + + ASSERT(MUTEX_HELD(&mls->mls_lock)); + ASSERT(!list_is_empty(&mls->mls_list)); + + /* 'obj' must be at the head of the list, nothing to do */ + if (prev == NULL) + return; + + list_remove(&mls->mls_list, obj); + list_insert_before(&mls->mls_list, prev, obj); +} + +void +multilist_sublist_remove(multilist_sublist_t *mls, void *obj) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + list_remove(&mls->mls_list, obj); +} + +void * +multilist_sublist_head(multilist_sublist_t *mls) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + return (list_head(&mls->mls_list)); +} + +void * +multilist_sublist_tail(multilist_sublist_t *mls) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + return (list_tail(&mls->mls_list)); +} + +void * +multilist_sublist_next(multilist_sublist_t *mls, void *obj) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + return (list_next(&mls->mls_list, obj)); +} + +void * +multilist_sublist_prev(multilist_sublist_t *mls, void *obj) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + return (list_prev(&mls->mls_list, obj)); +} + +void +multilist_link_init(multilist_node_t *link) +{ + list_link_init(link); +} + +int +multilist_link_active(multilist_node_t *link) +{ + return (list_link_active(link)); +} diff --git a/zfs/module/zfs/range_tree.c b/zfs/module/zfs/range_tree.c new file mode 100644 index 000000000000..6422fd1c1fa6 --- /dev/null +++ b/zfs/module/zfs/range_tree.c @@ -0,0 +1,411 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +kmem_cache_t *range_seg_cache; + +void +range_tree_init(void) +{ + ASSERT(range_seg_cache == NULL); + range_seg_cache = kmem_cache_create("range_seg_cache", + sizeof (range_seg_t), 0, NULL, NULL, NULL, NULL, NULL, 0); +} + +void +range_tree_fini(void) +{ + kmem_cache_destroy(range_seg_cache); + range_seg_cache = NULL; +} + +void +range_tree_stat_verify(range_tree_t *rt) +{ + range_seg_t *rs; + uint64_t hist[RANGE_TREE_HISTOGRAM_SIZE] = { 0 }; + int i; + + for (rs = avl_first(&rt->rt_root); rs != NULL; + rs = AVL_NEXT(&rt->rt_root, rs)) { + uint64_t size = rs->rs_end - rs->rs_start; + int idx = highbit64(size) - 1; + + hist[idx]++; + ASSERT3U(hist[idx], !=, 0); + } + + for (i = 0; i < RANGE_TREE_HISTOGRAM_SIZE; i++) { + if (hist[i] != rt->rt_histogram[i]) { + zfs_dbgmsg("i=%d, hist=%p, hist=%llu, rt_hist=%llu", + i, hist, hist[i], rt->rt_histogram[i]); + } + VERIFY3U(hist[i], ==, rt->rt_histogram[i]); + } +} + +static void +range_tree_stat_incr(range_tree_t *rt, range_seg_t *rs) +{ + uint64_t size = rs->rs_end - rs->rs_start; + int idx = highbit64(size) - 1; + + ASSERT(size != 0); + ASSERT3U(idx, <, + sizeof (rt->rt_histogram) / sizeof (*rt->rt_histogram)); + + ASSERT(MUTEX_HELD(rt->rt_lock)); + rt->rt_histogram[idx]++; + ASSERT3U(rt->rt_histogram[idx], !=, 0); +} + +static void +range_tree_stat_decr(range_tree_t *rt, range_seg_t *rs) +{ + uint64_t size = rs->rs_end - rs->rs_start; + int idx = highbit64(size) - 1; + + ASSERT(size != 0); + ASSERT3U(idx, <, + sizeof (rt->rt_histogram) / sizeof (*rt->rt_histogram)); + + ASSERT(MUTEX_HELD(rt->rt_lock)); + ASSERT3U(rt->rt_histogram[idx], !=, 0); + rt->rt_histogram[idx]--; +} + +/* + * NOTE: caller is responsible for all locking. + */ +static int +range_tree_seg_compare(const void *x1, const void *x2) +{ + const range_seg_t *r1 = x1; + const range_seg_t *r2 = x2; + + if (r1->rs_start < r2->rs_start) { + if (r1->rs_end > r2->rs_start) + return (0); + return (-1); + } + if (r1->rs_start > r2->rs_start) { + if (r1->rs_start < r2->rs_end) + return (0); + return (1); + } + return (0); +} + +range_tree_t * +range_tree_create(range_tree_ops_t *ops, void *arg, kmutex_t *lp) +{ + range_tree_t *rt; + + rt = kmem_zalloc(sizeof (range_tree_t), KM_SLEEP); + + avl_create(&rt->rt_root, range_tree_seg_compare, + sizeof (range_seg_t), offsetof(range_seg_t, rs_node)); + + rt->rt_lock = lp; + rt->rt_ops = ops; + rt->rt_arg = arg; + + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_create(rt, rt->rt_arg); + + return (rt); +} + +void +range_tree_destroy(range_tree_t *rt) +{ + VERIFY0(rt->rt_space); + + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_destroy(rt, rt->rt_arg); + + avl_destroy(&rt->rt_root); + kmem_free(rt, sizeof (*rt)); +} + +void +range_tree_add(void *arg, uint64_t start, uint64_t size) +{ + range_tree_t *rt = arg; + avl_index_t where; + range_seg_t rsearch, *rs_before, *rs_after, *rs; + uint64_t end = start + size; + boolean_t merge_before, merge_after; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + VERIFY(size != 0); + + rsearch.rs_start = start; + rsearch.rs_end = end; + rs = avl_find(&rt->rt_root, &rsearch, &where); + + if (rs != NULL && rs->rs_start <= start && rs->rs_end >= end) { + zfs_panic_recover("zfs: allocating allocated segment" + "(offset=%llu size=%llu)\n", + (longlong_t)start, (longlong_t)size); + return; + } + + /* Make sure we don't overlap with either of our neighbors */ + VERIFY(rs == NULL); + + rs_before = avl_nearest(&rt->rt_root, where, AVL_BEFORE); + rs_after = avl_nearest(&rt->rt_root, where, AVL_AFTER); + + merge_before = (rs_before != NULL && rs_before->rs_end == start); + merge_after = (rs_after != NULL && rs_after->rs_start == end); + + if (merge_before && merge_after) { + avl_remove(&rt->rt_root, rs_before); + if (rt->rt_ops != NULL) { + rt->rt_ops->rtop_remove(rt, rs_before, rt->rt_arg); + rt->rt_ops->rtop_remove(rt, rs_after, rt->rt_arg); + } + + range_tree_stat_decr(rt, rs_before); + range_tree_stat_decr(rt, rs_after); + + rs_after->rs_start = rs_before->rs_start; + kmem_cache_free(range_seg_cache, rs_before); + rs = rs_after; + } else if (merge_before) { + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_remove(rt, rs_before, rt->rt_arg); + + range_tree_stat_decr(rt, rs_before); + + rs_before->rs_end = end; + rs = rs_before; + } else if (merge_after) { + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_remove(rt, rs_after, rt->rt_arg); + + range_tree_stat_decr(rt, rs_after); + + rs_after->rs_start = start; + rs = rs_after; + } else { + rs = kmem_cache_alloc(range_seg_cache, KM_SLEEP); + rs->rs_start = start; + rs->rs_end = end; + avl_insert(&rt->rt_root, rs, where); + } + + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_add(rt, rs, rt->rt_arg); + + range_tree_stat_incr(rt, rs); + rt->rt_space += size; +} + +void +range_tree_remove(void *arg, uint64_t start, uint64_t size) +{ + range_tree_t *rt = arg; + avl_index_t where; + range_seg_t rsearch, *rs, *newseg; + uint64_t end = start + size; + boolean_t left_over, right_over; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + VERIFY3U(size, !=, 0); + VERIFY3U(size, <=, rt->rt_space); + + rsearch.rs_start = start; + rsearch.rs_end = end; + rs = avl_find(&rt->rt_root, &rsearch, &where); + + /* Make sure we completely overlap with someone */ + if (rs == NULL) { + zfs_panic_recover("zfs: freeing free segment " + "(offset=%llu size=%llu)", + (longlong_t)start, (longlong_t)size); + return; + } + VERIFY3U(rs->rs_start, <=, start); + VERIFY3U(rs->rs_end, >=, end); + + left_over = (rs->rs_start != start); + right_over = (rs->rs_end != end); + + range_tree_stat_decr(rt, rs); + + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_remove(rt, rs, rt->rt_arg); + + if (left_over && right_over) { + newseg = kmem_cache_alloc(range_seg_cache, KM_SLEEP); + newseg->rs_start = end; + newseg->rs_end = rs->rs_end; + range_tree_stat_incr(rt, newseg); + + rs->rs_end = start; + + avl_insert_here(&rt->rt_root, newseg, rs, AVL_AFTER); + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_add(rt, newseg, rt->rt_arg); + } else if (left_over) { + rs->rs_end = start; + } else if (right_over) { + rs->rs_start = end; + } else { + avl_remove(&rt->rt_root, rs); + kmem_cache_free(range_seg_cache, rs); + rs = NULL; + } + + if (rs != NULL) { + range_tree_stat_incr(rt, rs); + + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_add(rt, rs, rt->rt_arg); + } + + rt->rt_space -= size; +} + +static range_seg_t * +range_tree_find_impl(range_tree_t *rt, uint64_t start, uint64_t size) +{ + avl_index_t where; + range_seg_t rsearch; + uint64_t end = start + size; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + VERIFY(size != 0); + + rsearch.rs_start = start; + rsearch.rs_end = end; + return (avl_find(&rt->rt_root, &rsearch, &where)); +} + +static range_seg_t * +range_tree_find(range_tree_t *rt, uint64_t start, uint64_t size) +{ + range_seg_t *rs = range_tree_find_impl(rt, start, size); + if (rs != NULL && rs->rs_start <= start && rs->rs_end >= start + size) + return (rs); + return (NULL); +} + +void +range_tree_verify(range_tree_t *rt, uint64_t off, uint64_t size) +{ + range_seg_t *rs; + + mutex_enter(rt->rt_lock); + rs = range_tree_find(rt, off, size); + if (rs != NULL) + panic("freeing free block; rs=%p", (void *)rs); + mutex_exit(rt->rt_lock); +} + +boolean_t +range_tree_contains(range_tree_t *rt, uint64_t start, uint64_t size) +{ + return (range_tree_find(rt, start, size) != NULL); +} + +/* + * Ensure that this range is not in the tree, regardless of whether + * it is currently in the tree. + */ +void +range_tree_clear(range_tree_t *rt, uint64_t start, uint64_t size) +{ + range_seg_t *rs; + + while ((rs = range_tree_find_impl(rt, start, size)) != NULL) { + uint64_t free_start = MAX(rs->rs_start, start); + uint64_t free_end = MIN(rs->rs_end, start + size); + range_tree_remove(rt, free_start, free_end - free_start); + } +} + +void +range_tree_swap(range_tree_t **rtsrc, range_tree_t **rtdst) +{ + range_tree_t *rt; + + ASSERT(MUTEX_HELD((*rtsrc)->rt_lock)); + ASSERT0(range_tree_space(*rtdst)); + ASSERT0(avl_numnodes(&(*rtdst)->rt_root)); + + rt = *rtsrc; + *rtsrc = *rtdst; + *rtdst = rt; +} + +void +range_tree_vacate(range_tree_t *rt, range_tree_func_t *func, void *arg) +{ + range_seg_t *rs; + void *cookie = NULL; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + + if (rt->rt_ops != NULL) + rt->rt_ops->rtop_vacate(rt, rt->rt_arg); + + while ((rs = avl_destroy_nodes(&rt->rt_root, &cookie)) != NULL) { + if (func != NULL) + func(arg, rs->rs_start, rs->rs_end - rs->rs_start); + kmem_cache_free(range_seg_cache, rs); + } + + bzero(rt->rt_histogram, sizeof (rt->rt_histogram)); + rt->rt_space = 0; +} + +void +range_tree_walk(range_tree_t *rt, range_tree_func_t *func, void *arg) +{ + range_seg_t *rs; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + + for (rs = avl_first(&rt->rt_root); rs; rs = AVL_NEXT(&rt->rt_root, rs)) + func(arg, rs->rs_start, rs->rs_end - rs->rs_start); +} + +uint64_t +range_tree_space(range_tree_t *rt) +{ + return (rt->rt_space); +} diff --git a/zfs/module/zfs/refcount.c b/zfs/module/zfs/refcount.c new file mode 100644 index 000000000000..4c460a200967 --- /dev/null +++ b/zfs/module/zfs/refcount.c @@ -0,0 +1,230 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#include +#include + +#ifdef ZFS_DEBUG + +#ifdef _KERNEL +int reference_tracking_enable = FALSE; /* runs out of memory too easily */ +#else +int reference_tracking_enable = TRUE; +#endif +int reference_history = 3; /* tunable */ + +static kmem_cache_t *reference_cache; +static kmem_cache_t *reference_history_cache; + +void +refcount_init(void) +{ + reference_cache = kmem_cache_create("reference_cache", + sizeof (reference_t), 0, NULL, NULL, NULL, NULL, NULL, 0); + + reference_history_cache = kmem_cache_create("reference_history_cache", + sizeof (uint64_t), 0, NULL, NULL, NULL, NULL, NULL, 0); +} + +void +refcount_fini(void) +{ + kmem_cache_destroy(reference_cache); + kmem_cache_destroy(reference_history_cache); +} + +void +refcount_create(refcount_t *rc) +{ + mutex_init(&rc->rc_mtx, NULL, MUTEX_DEFAULT, NULL); + list_create(&rc->rc_list, sizeof (reference_t), + offsetof(reference_t, ref_link)); + list_create(&rc->rc_removed, sizeof (reference_t), + offsetof(reference_t, ref_link)); + rc->rc_count = 0; + rc->rc_removed_count = 0; + rc->rc_tracked = reference_tracking_enable; +} + +void +refcount_create_untracked(refcount_t *rc) +{ + refcount_create(rc); + rc->rc_tracked = B_FALSE; +} + +void +refcount_destroy_many(refcount_t *rc, uint64_t number) +{ + reference_t *ref; + + ASSERT(rc->rc_count == number); + while ((ref = list_head(&rc->rc_list))) { + list_remove(&rc->rc_list, ref); + kmem_cache_free(reference_cache, ref); + } + list_destroy(&rc->rc_list); + + while ((ref = list_head(&rc->rc_removed))) { + list_remove(&rc->rc_removed, ref); + kmem_cache_free(reference_history_cache, ref->ref_removed); + kmem_cache_free(reference_cache, ref); + } + list_destroy(&rc->rc_removed); + mutex_destroy(&rc->rc_mtx); +} + +void +refcount_destroy(refcount_t *rc) +{ + refcount_destroy_many(rc, 0); +} + +int +refcount_is_zero(refcount_t *rc) +{ + return (rc->rc_count == 0); +} + +int64_t +refcount_count(refcount_t *rc) +{ + return (rc->rc_count); +} + +int64_t +refcount_add_many(refcount_t *rc, uint64_t number, void *holder) +{ + reference_t *ref = NULL; + int64_t count; + + if (rc->rc_tracked) { + ref = kmem_cache_alloc(reference_cache, KM_SLEEP); + ref->ref_holder = holder; + ref->ref_number = number; + } + mutex_enter(&rc->rc_mtx); + ASSERT(rc->rc_count >= 0); + if (rc->rc_tracked) + list_insert_head(&rc->rc_list, ref); + rc->rc_count += number; + count = rc->rc_count; + mutex_exit(&rc->rc_mtx); + + return (count); +} + +int64_t +refcount_add(refcount_t *rc, void *holder) +{ + return (refcount_add_many(rc, 1, holder)); +} + +int64_t +refcount_remove_many(refcount_t *rc, uint64_t number, void *holder) +{ + reference_t *ref; + int64_t count; + + mutex_enter(&rc->rc_mtx); + ASSERT(rc->rc_count >= number); + + if (!rc->rc_tracked) { + rc->rc_count -= number; + count = rc->rc_count; + mutex_exit(&rc->rc_mtx); + return (count); + } + + for (ref = list_head(&rc->rc_list); ref; + ref = list_next(&rc->rc_list, ref)) { + if (ref->ref_holder == holder && ref->ref_number == number) { + list_remove(&rc->rc_list, ref); + if (reference_history > 0) { + ref->ref_removed = + kmem_cache_alloc(reference_history_cache, + KM_SLEEP); + list_insert_head(&rc->rc_removed, ref); + rc->rc_removed_count++; + if (rc->rc_removed_count > reference_history) { + ref = list_tail(&rc->rc_removed); + list_remove(&rc->rc_removed, ref); + kmem_cache_free(reference_history_cache, + ref->ref_removed); + kmem_cache_free(reference_cache, ref); + rc->rc_removed_count--; + } + } else { + kmem_cache_free(reference_cache, ref); + } + rc->rc_count -= number; + count = rc->rc_count; + mutex_exit(&rc->rc_mtx); + return (count); + } + } + panic("No such hold %p on refcount %llx", holder, + (u_longlong_t)(uintptr_t)rc); + return (-1); +} + +int64_t +refcount_remove(refcount_t *rc, void *holder) +{ + return (refcount_remove_many(rc, 1, holder)); +} + +void +refcount_transfer(refcount_t *dst, refcount_t *src) +{ + int64_t count, removed_count; + list_t list, removed; + + list_create(&list, sizeof (reference_t), + offsetof(reference_t, ref_link)); + list_create(&removed, sizeof (reference_t), + offsetof(reference_t, ref_link)); + + mutex_enter(&src->rc_mtx); + count = src->rc_count; + removed_count = src->rc_removed_count; + src->rc_count = 0; + src->rc_removed_count = 0; + list_move_tail(&list, &src->rc_list); + list_move_tail(&removed, &src->rc_removed); + mutex_exit(&src->rc_mtx); + + mutex_enter(&dst->rc_mtx); + dst->rc_count += count; + dst->rc_removed_count += removed_count; + list_move_tail(&dst->rc_list, &list); + list_move_tail(&dst->rc_removed, &removed); + mutex_exit(&dst->rc_mtx); + + list_destroy(&list); + list_destroy(&removed); +} + +#endif /* ZFS_DEBUG */ diff --git a/zfs/module/zfs/rrwlock.c b/zfs/module/zfs/rrwlock.c new file mode 100644 index 000000000000..51394c01c431 --- /dev/null +++ b/zfs/module/zfs/rrwlock.c @@ -0,0 +1,395 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#include +#include + +/* + * This file contains the implementation of a re-entrant read + * reader/writer lock (aka "rrwlock"). + * + * This is a normal reader/writer lock with the additional feature + * of allowing threads who have already obtained a read lock to + * re-enter another read lock (re-entrant read) - even if there are + * waiting writers. + * + * Callers who have not obtained a read lock give waiting writers priority. + * + * The rrwlock_t lock does not allow re-entrant writers, nor does it + * allow a re-entrant mix of reads and writes (that is, it does not + * allow a caller who has already obtained a read lock to be able to + * then grab a write lock without first dropping all read locks, and + * vice versa). + * + * The rrwlock_t uses tsd (thread specific data) to keep a list of + * nodes (rrw_node_t), where each node keeps track of which specific + * lock (rrw_node_t::rn_rrl) the thread has grabbed. Since re-entering + * should be rare, a thread that grabs multiple reads on the same rrwlock_t + * will store multiple rrw_node_ts of the same 'rrn_rrl'. Nodes on the + * tsd list can represent a different rrwlock_t. This allows a thread + * to enter multiple and unique rrwlock_ts for read locks at the same time. + * + * Since using tsd exposes some overhead, the rrwlock_t only needs to + * keep tsd data when writers are waiting. If no writers are waiting, then + * a reader just bumps the anonymous read count (rr_anon_rcount) - no tsd + * is needed. Once a writer attempts to grab the lock, readers then + * keep tsd data and bump the linked readers count (rr_linked_rcount). + * + * If there are waiting writers and there are anonymous readers, then a + * reader doesn't know if it is a re-entrant lock. But since it may be one, + * we allow the read to proceed (otherwise it could deadlock). Since once + * waiting writers are active, readers no longer bump the anonymous count, + * the anonymous readers will eventually flush themselves out. At this point, + * readers will be able to tell if they are a re-entrant lock (have a + * rrw_node_t entry for the lock) or not. If they are a re-entrant lock, then + * we must let the proceed. If they are not, then the reader blocks for the + * waiting writers. Hence, we do not starve writers. + */ + +/* global key for TSD */ +uint_t rrw_tsd_key; + +typedef struct rrw_node { + struct rrw_node *rn_next; + rrwlock_t *rn_rrl; + void *rn_tag; +} rrw_node_t; + +static rrw_node_t * +rrn_find(rrwlock_t *rrl) +{ + rrw_node_t *rn; + + if (refcount_count(&rrl->rr_linked_rcount) == 0) + return (NULL); + + for (rn = tsd_get(rrw_tsd_key); rn != NULL; rn = rn->rn_next) { + if (rn->rn_rrl == rrl) + return (rn); + } + return (NULL); +} + +/* + * Add a node to the head of the singly linked list. + */ +static void +rrn_add(rrwlock_t *rrl, void *tag) +{ + rrw_node_t *rn; + + rn = kmem_alloc(sizeof (*rn), KM_SLEEP); + rn->rn_rrl = rrl; + rn->rn_next = tsd_get(rrw_tsd_key); + rn->rn_tag = tag; + VERIFY(tsd_set(rrw_tsd_key, rn) == 0); +} + +/* + * If a node is found for 'rrl', then remove the node from this + * thread's list and return TRUE; otherwise return FALSE. + */ +static boolean_t +rrn_find_and_remove(rrwlock_t *rrl, void *tag) +{ + rrw_node_t *rn; + rrw_node_t *prev = NULL; + + if (refcount_count(&rrl->rr_linked_rcount) == 0) + return (B_FALSE); + + for (rn = tsd_get(rrw_tsd_key); rn != NULL; rn = rn->rn_next) { + if (rn->rn_rrl == rrl && rn->rn_tag == tag) { + if (prev) + prev->rn_next = rn->rn_next; + else + VERIFY(tsd_set(rrw_tsd_key, rn->rn_next) == 0); + kmem_free(rn, sizeof (*rn)); + return (B_TRUE); + } + prev = rn; + } + return (B_FALSE); +} + +void +rrw_init(rrwlock_t *rrl, boolean_t track_all) +{ + mutex_init(&rrl->rr_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&rrl->rr_cv, NULL, CV_DEFAULT, NULL); + rrl->rr_writer = NULL; + refcount_create(&rrl->rr_anon_rcount); + refcount_create(&rrl->rr_linked_rcount); + rrl->rr_writer_wanted = B_FALSE; + rrl->rr_track_all = track_all; +} + +void +rrw_destroy(rrwlock_t *rrl) +{ + mutex_destroy(&rrl->rr_lock); + cv_destroy(&rrl->rr_cv); + ASSERT(rrl->rr_writer == NULL); + refcount_destroy(&rrl->rr_anon_rcount); + refcount_destroy(&rrl->rr_linked_rcount); +} + +static void +rrw_enter_read_impl(rrwlock_t *rrl, boolean_t prio, void *tag) +{ + mutex_enter(&rrl->rr_lock); +#if !defined(DEBUG) && defined(_KERNEL) + if (rrl->rr_writer == NULL && !rrl->rr_writer_wanted && + !rrl->rr_track_all) { + rrl->rr_anon_rcount.rc_count++; + mutex_exit(&rrl->rr_lock); + return; + } + DTRACE_PROBE(zfs__rrwfastpath__rdmiss); +#endif + ASSERT(rrl->rr_writer != curthread); + ASSERT(refcount_count(&rrl->rr_anon_rcount) >= 0); + + while (rrl->rr_writer != NULL || (rrl->rr_writer_wanted && + refcount_is_zero(&rrl->rr_anon_rcount) && !prio && + rrn_find(rrl) == NULL)) + cv_wait(&rrl->rr_cv, &rrl->rr_lock); + + if (rrl->rr_writer_wanted || rrl->rr_track_all) { + /* may or may not be a re-entrant enter */ + rrn_add(rrl, tag); + (void) refcount_add(&rrl->rr_linked_rcount, tag); + } else { + (void) refcount_add(&rrl->rr_anon_rcount, tag); + } + ASSERT(rrl->rr_writer == NULL); + mutex_exit(&rrl->rr_lock); +} + +void +rrw_enter_read(rrwlock_t *rrl, void *tag) +{ + rrw_enter_read_impl(rrl, B_FALSE, tag); +} + +/* + * take a read lock even if there are pending write lock requests. if we want + * to take a lock reentrantly, but from different threads (that have a + * relationship to each other), the normal detection mechanism to overrule + * the pending writer does not work, so we have to give an explicit hint here. + */ +void +rrw_enter_read_prio(rrwlock_t *rrl, void *tag) +{ + rrw_enter_read_impl(rrl, B_TRUE, tag); +} + + +void +rrw_enter_write(rrwlock_t *rrl) +{ + mutex_enter(&rrl->rr_lock); + ASSERT(rrl->rr_writer != curthread); + + while (refcount_count(&rrl->rr_anon_rcount) > 0 || + refcount_count(&rrl->rr_linked_rcount) > 0 || + rrl->rr_writer != NULL) { + rrl->rr_writer_wanted = B_TRUE; + cv_wait(&rrl->rr_cv, &rrl->rr_lock); + } + rrl->rr_writer_wanted = B_FALSE; + rrl->rr_writer = curthread; + mutex_exit(&rrl->rr_lock); +} + +void +rrw_enter(rrwlock_t *rrl, krw_t rw, void *tag) +{ + if (rw == RW_READER) + rrw_enter_read(rrl, tag); + else + rrw_enter_write(rrl); +} + +void +rrw_exit(rrwlock_t *rrl, void *tag) +{ + mutex_enter(&rrl->rr_lock); +#if !defined(DEBUG) && defined(_KERNEL) + if (!rrl->rr_writer && rrl->rr_linked_rcount.rc_count == 0) { + rrl->rr_anon_rcount.rc_count--; + if (rrl->rr_anon_rcount.rc_count == 0) + cv_broadcast(&rrl->rr_cv); + mutex_exit(&rrl->rr_lock); + return; + } + DTRACE_PROBE(zfs__rrwfastpath__exitmiss); +#endif + ASSERT(!refcount_is_zero(&rrl->rr_anon_rcount) || + !refcount_is_zero(&rrl->rr_linked_rcount) || + rrl->rr_writer != NULL); + + if (rrl->rr_writer == NULL) { + int64_t count; + if (rrn_find_and_remove(rrl, tag)) { + count = refcount_remove(&rrl->rr_linked_rcount, tag); + } else { + ASSERT(!rrl->rr_track_all); + count = refcount_remove(&rrl->rr_anon_rcount, tag); + } + if (count == 0) + cv_broadcast(&rrl->rr_cv); + } else { + ASSERT(rrl->rr_writer == curthread); + ASSERT(refcount_is_zero(&rrl->rr_anon_rcount) && + refcount_is_zero(&rrl->rr_linked_rcount)); + rrl->rr_writer = NULL; + cv_broadcast(&rrl->rr_cv); + } + mutex_exit(&rrl->rr_lock); +} + +/* + * If the lock was created with track_all, rrw_held(RW_READER) will return + * B_TRUE iff the current thread has the lock for reader. Otherwise it may + * return B_TRUE if any thread has the lock for reader. + */ +boolean_t +rrw_held(rrwlock_t *rrl, krw_t rw) +{ + boolean_t held; + + mutex_enter(&rrl->rr_lock); + if (rw == RW_WRITER) { + held = (rrl->rr_writer == curthread); + } else { + held = (!refcount_is_zero(&rrl->rr_anon_rcount) || + rrn_find(rrl) != NULL); + } + mutex_exit(&rrl->rr_lock); + + return (held); +} + +void +rrw_tsd_destroy(void *arg) +{ + rrw_node_t *rn = arg; + if (rn != NULL) { + panic("thread %p terminating with rrw lock %p held", + (void *)curthread, (void *)rn->rn_rrl); + } +} + +/* + * A reader-mostly lock implementation, tuning above reader-writer locks + * for hightly parallel read acquisitions, while pessimizing writes. + * + * The idea is to split single busy lock into array of locks, so that + * each reader can lock only one of them for read, depending on result + * of simple hash function. That proportionally reduces lock congestion. + * Writer same time has to sequentially aquire write on all the locks. + * That makes write aquisition proportionally slower, but in places where + * it is used (filesystem unmount) performance is not critical. + * + * All the functions below are direct wrappers around functions above. + */ +void +rrm_init(rrmlock_t *rrl, boolean_t track_all) +{ + int i; + + for (i = 0; i < RRM_NUM_LOCKS; i++) + rrw_init(&rrl->locks[i], track_all); +} + +void +rrm_destroy(rrmlock_t *rrl) +{ + int i; + + for (i = 0; i < RRM_NUM_LOCKS; i++) + rrw_destroy(&rrl->locks[i]); +} + +void +rrm_enter(rrmlock_t *rrl, krw_t rw, void *tag) +{ + if (rw == RW_READER) + rrm_enter_read(rrl, tag); + else + rrm_enter_write(rrl); +} + +/* + * This maps the current thread to a specific lock. Note that the lock + * must be released by the same thread that acquired it. We do this + * mapping by taking the thread pointer mod a prime number. We examine + * only the low 32 bits of the thread pointer, because 32-bit division + * is faster than 64-bit division, and the high 32 bits have little + * entropy anyway. + */ +#define RRM_TD_LOCK() (((uint32_t)(uintptr_t)(curthread)) % RRM_NUM_LOCKS) + +void +rrm_enter_read(rrmlock_t *rrl, void *tag) +{ + rrw_enter_read(&rrl->locks[RRM_TD_LOCK()], tag); +} + +void +rrm_enter_write(rrmlock_t *rrl) +{ + int i; + + for (i = 0; i < RRM_NUM_LOCKS; i++) + rrw_enter_write(&rrl->locks[i]); +} + +void +rrm_exit(rrmlock_t *rrl, void *tag) +{ + int i; + + if (rrl->locks[0].rr_writer == curthread) { + for (i = 0; i < RRM_NUM_LOCKS; i++) + rrw_exit(&rrl->locks[i], tag); + } else { + rrw_exit(&rrl->locks[RRM_TD_LOCK()], tag); + } +} + +boolean_t +rrm_held(rrmlock_t *rrl, krw_t rw) +{ + if (rw == RW_WRITER) { + return (rrw_held(&rrl->locks[0], rw)); + } else { + return (rrw_held(&rrl->locks[RRM_TD_LOCK()], rw)); + } +} diff --git a/zfs/module/zfs/sa.c b/zfs/module/zfs/sa.c new file mode 100644 index 000000000000..d6ac5fcc709a --- /dev/null +++ b/zfs/module/zfs/sa.c @@ -0,0 +1,2071 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * ZFS System attributes: + * + * A generic mechanism to allow for arbitrary attributes + * to be stored in a dnode. The data will be stored in the bonus buffer of + * the dnode and if necessary a special "spill" block will be used to handle + * overflow situations. The spill block will be sized to fit the data + * from 512 - 128K. When a spill block is used the BP (blkptr_t) for the + * spill block is stored at the end of the current bonus buffer. Any + * attributes that would be in the way of the blkptr_t will be relocated + * into the spill block. + * + * Attribute registration: + * + * Stored persistently on a per dataset basis + * a mapping between attribute "string" names and their actual attribute + * numeric values, length, and byteswap function. The names are only used + * during registration. All attributes are known by their unique attribute + * id value. If an attribute can have a variable size then the value + * 0 will be used to indicate this. + * + * Attribute Layout: + * + * Attribute layouts are a way to compactly store multiple attributes, but + * without taking the overhead associated with managing each attribute + * individually. Since you will typically have the same set of attributes + * stored in the same order a single table will be used to represent that + * layout. The ZPL for example will usually have only about 10 different + * layouts (regular files, device files, symlinks, + * regular files + scanstamp, files/dir with extended attributes, and then + * you have the possibility of all of those minus ACL, because it would + * be kicked out into the spill block) + * + * Layouts are simply an array of the attributes and their + * ordering i.e. [0, 1, 4, 5, 2] + * + * Each distinct layout is given a unique layout number and that is whats + * stored in the header at the beginning of the SA data buffer. + * + * A layout only covers a single dbuf (bonus or spill). If a set of + * attributes is split up between the bonus buffer and a spill buffer then + * two different layouts will be used. This allows us to byteswap the + * spill without looking at the bonus buffer and keeps the on disk format of + * the bonus and spill buffer the same. + * + * Adding a single attribute will cause the entire set of attributes to + * be rewritten and could result in a new layout number being constructed + * as part of the rewrite if no such layout exists for the new set of + * attribues. The new attribute will be appended to the end of the already + * existing attributes. + * + * Both the attribute registration and attribute layout information are + * stored in normal ZAP attributes. Their should be a small number of + * known layouts and the set of attributes is assumed to typically be quite + * small. + * + * The registered attributes and layout "table" information is maintained + * in core and a special "sa_os_t" is attached to the objset_t. + * + * A special interface is provided to allow for quickly applying + * a large set of attributes at once. sa_replace_all_by_template() is + * used to set an array of attributes. This is used by the ZPL when + * creating a brand new file. The template that is passed into the function + * specifies the attribute, size for variable length attributes, location of + * data and special "data locator" function if the data isn't in a contiguous + * location. + * + * Byteswap implications: + * + * Since the SA attributes are not entirely self describing we can't do + * the normal byteswap processing. The special ZAP layout attribute and + * attribute registration attributes define the byteswap function and the + * size of the attributes, unless it is variable sized. + * The normal ZFS byteswapping infrastructure assumes you don't need + * to read any objects in order to do the necessary byteswapping. Whereas + * SA attributes can only be properly byteswapped if the dataset is opened + * and the layout/attribute ZAP attributes are available. Because of this + * the SA attributes will be byteswapped when they are first accessed by + * the SA code that will read the SA data. + */ + +typedef void (sa_iterfunc_t)(void *hdr, void *addr, sa_attr_type_t, + uint16_t length, int length_idx, boolean_t, void *userp); + +static int sa_build_index(sa_handle_t *hdl, sa_buf_type_t buftype); +static void sa_idx_tab_hold(objset_t *os, sa_idx_tab_t *idx_tab); +static void *sa_find_idx_tab(objset_t *os, dmu_object_type_t bonustype, + void *data); +static void sa_idx_tab_rele(objset_t *os, void *arg); +static void sa_copy_data(sa_data_locator_t *func, void *start, void *target, + int buflen); +static int sa_modify_attrs(sa_handle_t *hdl, sa_attr_type_t newattr, + sa_data_op_t action, sa_data_locator_t *locator, void *datastart, + uint16_t buflen, dmu_tx_t *tx); + +arc_byteswap_func_t sa_bswap_table[] = { + byteswap_uint64_array, + byteswap_uint32_array, + byteswap_uint16_array, + byteswap_uint8_array, + zfs_acl_byteswap, +}; + +#define SA_COPY_DATA(f, s, t, l) \ + { \ + if (f == NULL) { \ + if (l == 8) { \ + *(uint64_t *)t = *(uint64_t *)s; \ + } else if (l == 16) { \ + *(uint64_t *)t = *(uint64_t *)s; \ + *(uint64_t *)((uintptr_t)t + 8) = \ + *(uint64_t *)((uintptr_t)s + 8); \ + } else { \ + bcopy(s, t, l); \ + } \ + } else \ + sa_copy_data(f, s, t, l); \ + } + +/* + * This table is fixed and cannot be changed. Its purpose is to + * allow the SA code to work with both old/new ZPL file systems. + * It contains the list of legacy attributes. These attributes aren't + * stored in the "attribute" registry zap objects, since older ZPL file systems + * won't have the registry. Only objsets of type ZFS_TYPE_FILESYSTEM will + * use this static table. + */ +sa_attr_reg_t sa_legacy_attrs[] = { + {"ZPL_ATIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 0}, + {"ZPL_MTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 1}, + {"ZPL_CTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 2}, + {"ZPL_CRTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 3}, + {"ZPL_GEN", sizeof (uint64_t), SA_UINT64_ARRAY, 4}, + {"ZPL_MODE", sizeof (uint64_t), SA_UINT64_ARRAY, 5}, + {"ZPL_SIZE", sizeof (uint64_t), SA_UINT64_ARRAY, 6}, + {"ZPL_PARENT", sizeof (uint64_t), SA_UINT64_ARRAY, 7}, + {"ZPL_LINKS", sizeof (uint64_t), SA_UINT64_ARRAY, 8}, + {"ZPL_XATTR", sizeof (uint64_t), SA_UINT64_ARRAY, 9}, + {"ZPL_RDEV", sizeof (uint64_t), SA_UINT64_ARRAY, 10}, + {"ZPL_FLAGS", sizeof (uint64_t), SA_UINT64_ARRAY, 11}, + {"ZPL_UID", sizeof (uint64_t), SA_UINT64_ARRAY, 12}, + {"ZPL_GID", sizeof (uint64_t), SA_UINT64_ARRAY, 13}, + {"ZPL_PAD", sizeof (uint64_t) * 4, SA_UINT64_ARRAY, 14}, + {"ZPL_ZNODE_ACL", 88, SA_UINT8_ARRAY, 15}, +}; + +/* + * This is only used for objects of type DMU_OT_ZNODE + */ +sa_attr_type_t sa_legacy_zpl_layout[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 +}; + +/* + * Special dummy layout used for buffers with no attributes. + */ +sa_attr_type_t sa_dummy_zpl_layout[] = { 0 }; + +static int sa_legacy_attr_count = 16; +static kmem_cache_t *sa_cache = NULL; + +/*ARGSUSED*/ +static int +sa_cache_constructor(void *buf, void *unused, int kmflag) +{ + sa_handle_t *hdl = buf; + + mutex_init(&hdl->sa_lock, NULL, MUTEX_DEFAULT, NULL); + return (0); +} + +/*ARGSUSED*/ +static void +sa_cache_destructor(void *buf, void *unused) +{ + sa_handle_t *hdl = buf; + mutex_destroy(&hdl->sa_lock); +} + +void +sa_cache_init(void) +{ + sa_cache = kmem_cache_create("sa_cache", + sizeof (sa_handle_t), 0, sa_cache_constructor, + sa_cache_destructor, NULL, NULL, NULL, 0); +} + +void +sa_cache_fini(void) +{ + if (sa_cache) + kmem_cache_destroy(sa_cache); +} + +static int +layout_num_compare(const void *arg1, const void *arg2) +{ + const sa_lot_t *node1 = arg1; + const sa_lot_t *node2 = arg2; + + if (node1->lot_num > node2->lot_num) + return (1); + else if (node1->lot_num < node2->lot_num) + return (-1); + return (0); +} + +static int +layout_hash_compare(const void *arg1, const void *arg2) +{ + const sa_lot_t *node1 = arg1; + const sa_lot_t *node2 = arg2; + + if (node1->lot_hash > node2->lot_hash) + return (1); + if (node1->lot_hash < node2->lot_hash) + return (-1); + if (node1->lot_instance > node2->lot_instance) + return (1); + if (node1->lot_instance < node2->lot_instance) + return (-1); + return (0); +} + +boolean_t +sa_layout_equal(sa_lot_t *tbf, sa_attr_type_t *attrs, int count) +{ + int i; + + if (count != tbf->lot_attr_count) + return (1); + + for (i = 0; i != count; i++) { + if (attrs[i] != tbf->lot_attrs[i]) + return (1); + } + return (0); +} + +#define SA_ATTR_HASH(attr) (zfs_crc64_table[(-1ULL ^ attr) & 0xFF]) + +static uint64_t +sa_layout_info_hash(sa_attr_type_t *attrs, int attr_count) +{ + int i; + uint64_t crc = -1ULL; + + for (i = 0; i != attr_count; i++) + crc ^= SA_ATTR_HASH(attrs[i]); + + return (crc); +} + +static int +sa_get_spill(sa_handle_t *hdl) +{ + int rc; + if (hdl->sa_spill == NULL) { + if ((rc = dmu_spill_hold_existing(hdl->sa_bonus, NULL, + &hdl->sa_spill)) == 0) + VERIFY(0 == sa_build_index(hdl, SA_SPILL)); + } else { + rc = 0; + } + + return (rc); +} + +/* + * Main attribute lookup/update function + * returns 0 for success or non zero for failures + * + * Operates on bulk array, first failure will abort further processing + */ +int +sa_attr_op(sa_handle_t *hdl, sa_bulk_attr_t *bulk, int count, + sa_data_op_t data_op, dmu_tx_t *tx) +{ + sa_os_t *sa = hdl->sa_os->os_sa; + int i; + int error = 0; + sa_buf_type_t buftypes; + + buftypes = 0; + + ASSERT(count > 0); + for (i = 0; i != count; i++) { + ASSERT(bulk[i].sa_attr <= hdl->sa_os->os_sa->sa_num_attrs); + + bulk[i].sa_addr = NULL; + /* First check the bonus buffer */ + + if (hdl->sa_bonus_tab && TOC_ATTR_PRESENT( + hdl->sa_bonus_tab->sa_idx_tab[bulk[i].sa_attr])) { + SA_ATTR_INFO(sa, hdl->sa_bonus_tab, + SA_GET_HDR(hdl, SA_BONUS), + bulk[i].sa_attr, bulk[i], SA_BONUS, hdl); + if (tx && !(buftypes & SA_BONUS)) { + dmu_buf_will_dirty(hdl->sa_bonus, tx); + buftypes |= SA_BONUS; + } + } + if (bulk[i].sa_addr == NULL && + ((error = sa_get_spill(hdl)) == 0)) { + if (TOC_ATTR_PRESENT( + hdl->sa_spill_tab->sa_idx_tab[bulk[i].sa_attr])) { + SA_ATTR_INFO(sa, hdl->sa_spill_tab, + SA_GET_HDR(hdl, SA_SPILL), + bulk[i].sa_attr, bulk[i], SA_SPILL, hdl); + if (tx && !(buftypes & SA_SPILL) && + bulk[i].sa_size == bulk[i].sa_length) { + dmu_buf_will_dirty(hdl->sa_spill, tx); + buftypes |= SA_SPILL; + } + } + } + if (error && error != ENOENT) { + return ((error == ECKSUM) ? EIO : error); + } + + switch (data_op) { + case SA_LOOKUP: + if (bulk[i].sa_addr == NULL) + return (SET_ERROR(ENOENT)); + if (bulk[i].sa_data) { + SA_COPY_DATA(bulk[i].sa_data_func, + bulk[i].sa_addr, bulk[i].sa_data, + bulk[i].sa_size); + } + continue; + + case SA_UPDATE: + /* existing rewrite of attr */ + if (bulk[i].sa_addr && + bulk[i].sa_size == bulk[i].sa_length) { + SA_COPY_DATA(bulk[i].sa_data_func, + bulk[i].sa_data, bulk[i].sa_addr, + bulk[i].sa_length); + continue; + } else if (bulk[i].sa_addr) { /* attr size change */ + error = sa_modify_attrs(hdl, bulk[i].sa_attr, + SA_REPLACE, bulk[i].sa_data_func, + bulk[i].sa_data, bulk[i].sa_length, tx); + } else { /* adding new attribute */ + error = sa_modify_attrs(hdl, bulk[i].sa_attr, + SA_ADD, bulk[i].sa_data_func, + bulk[i].sa_data, bulk[i].sa_length, tx); + } + if (error) + return (error); + break; + default: + break; + } + } + return (error); +} + +static sa_lot_t * +sa_add_layout_entry(objset_t *os, sa_attr_type_t *attrs, int attr_count, + uint64_t lot_num, uint64_t hash, boolean_t zapadd, dmu_tx_t *tx) +{ + sa_os_t *sa = os->os_sa; + sa_lot_t *tb, *findtb; + int i; + avl_index_t loc; + + ASSERT(MUTEX_HELD(&sa->sa_lock)); + tb = kmem_zalloc(sizeof (sa_lot_t), KM_SLEEP); + tb->lot_attr_count = attr_count; + tb->lot_attrs = kmem_alloc(sizeof (sa_attr_type_t) * attr_count, + KM_SLEEP); + bcopy(attrs, tb->lot_attrs, sizeof (sa_attr_type_t) * attr_count); + tb->lot_num = lot_num; + tb->lot_hash = hash; + tb->lot_instance = 0; + + if (zapadd) { + char attr_name[8]; + + if (sa->sa_layout_attr_obj == 0) { + sa->sa_layout_attr_obj = zap_create_link(os, + DMU_OT_SA_ATTR_LAYOUTS, + sa->sa_master_obj, SA_LAYOUTS, tx); + } + + (void) snprintf(attr_name, sizeof (attr_name), + "%d", (int)lot_num); + VERIFY(0 == zap_update(os, os->os_sa->sa_layout_attr_obj, + attr_name, 2, attr_count, attrs, tx)); + } + + list_create(&tb->lot_idx_tab, sizeof (sa_idx_tab_t), + offsetof(sa_idx_tab_t, sa_next)); + + for (i = 0; i != attr_count; i++) { + if (sa->sa_attr_table[tb->lot_attrs[i]].sa_length == 0) + tb->lot_var_sizes++; + } + + avl_add(&sa->sa_layout_num_tree, tb); + + /* verify we don't have a hash collision */ + if ((findtb = avl_find(&sa->sa_layout_hash_tree, tb, &loc)) != NULL) { + for (; findtb && findtb->lot_hash == hash; + findtb = AVL_NEXT(&sa->sa_layout_hash_tree, findtb)) { + if (findtb->lot_instance != tb->lot_instance) + break; + tb->lot_instance++; + } + } + avl_add(&sa->sa_layout_hash_tree, tb); + return (tb); +} + +static void +sa_find_layout(objset_t *os, uint64_t hash, sa_attr_type_t *attrs, + int count, dmu_tx_t *tx, sa_lot_t **lot) +{ + sa_lot_t *tb, tbsearch; + avl_index_t loc; + sa_os_t *sa = os->os_sa; + boolean_t found = B_FALSE; + + mutex_enter(&sa->sa_lock); + tbsearch.lot_hash = hash; + tbsearch.lot_instance = 0; + tb = avl_find(&sa->sa_layout_hash_tree, &tbsearch, &loc); + if (tb) { + for (; tb && tb->lot_hash == hash; + tb = AVL_NEXT(&sa->sa_layout_hash_tree, tb)) { + if (sa_layout_equal(tb, attrs, count) == 0) { + found = B_TRUE; + break; + } + } + } + if (!found) { + tb = sa_add_layout_entry(os, attrs, count, + avl_numnodes(&sa->sa_layout_num_tree), hash, B_TRUE, tx); + } + mutex_exit(&sa->sa_lock); + *lot = tb; +} + +static int +sa_resize_spill(sa_handle_t *hdl, uint32_t size, dmu_tx_t *tx) +{ + int error; + uint32_t blocksize; + + if (size == 0) { + blocksize = SPA_MINBLOCKSIZE; + } else if (size > SPA_OLD_MAXBLOCKSIZE) { + ASSERT(0); + return (SET_ERROR(EFBIG)); + } else { + blocksize = P2ROUNDUP_TYPED(size, SPA_MINBLOCKSIZE, uint32_t); + } + + error = dbuf_spill_set_blksz(hdl->sa_spill, blocksize, tx); + ASSERT(error == 0); + return (error); +} + +static void +sa_copy_data(sa_data_locator_t *func, void *datastart, void *target, int buflen) +{ + if (func == NULL) { + bcopy(datastart, target, buflen); + } else { + boolean_t start; + int bytes; + void *dataptr; + void *saptr = target; + uint32_t length; + + start = B_TRUE; + bytes = 0; + while (bytes < buflen) { + func(&dataptr, &length, buflen, start, datastart); + bcopy(dataptr, saptr, length); + saptr = (void *)((caddr_t)saptr + length); + bytes += length; + start = B_FALSE; + } + } +} + +/* + * Determine several different values pertaining to system attribute + * buffers. + * + * Return the size of the sa_hdr_phys_t header for the buffer. Each + * variable length attribute except the first contributes two bytes to + * the header size, which is then rounded up to an 8-byte boundary. + * + * The following output parameters are also computed. + * + * index - The index of the first attribute in attr_desc that will + * spill over. Only valid if will_spill is set. + * + * total - The total number of bytes of all system attributes described + * in attr_desc. + * + * will_spill - Set when spilling is necessary. It is only set when + * the buftype is SA_BONUS. + */ +static int +sa_find_sizes(sa_os_t *sa, sa_bulk_attr_t *attr_desc, int attr_count, + dmu_buf_t *db, sa_buf_type_t buftype, int *index, int *total, + boolean_t *will_spill) +{ + int var_size_count = 0; + int i; + int full_space; + int hdrsize; + int extra_hdrsize; + + if (buftype == SA_BONUS && sa->sa_force_spill) { + *total = 0; + *index = 0; + *will_spill = B_TRUE; + return (0); + } + + *index = -1; + *total = 0; + *will_spill = B_FALSE; + + extra_hdrsize = 0; + hdrsize = (SA_BONUSTYPE_FROM_DB(db) == DMU_OT_ZNODE) ? 0 : + sizeof (sa_hdr_phys_t); + + full_space = (buftype == SA_BONUS) ? DN_MAX_BONUSLEN : db->db_size; + ASSERT(IS_P2ALIGNED(full_space, 8)); + + for (i = 0; i != attr_count; i++) { + boolean_t is_var_sz, might_spill_here; + int tmp_hdrsize; + + *total = P2ROUNDUP(*total, 8); + *total += attr_desc[i].sa_length; + if (*will_spill) + continue; + + is_var_sz = (SA_REGISTERED_LEN(sa, attr_desc[i].sa_attr) == 0); + if (is_var_sz) + var_size_count++; + + /* + * Calculate what the SA header size would be if this + * attribute doesn't spill. + */ + tmp_hdrsize = hdrsize + ((is_var_sz && var_size_count > 1) ? + sizeof (uint16_t) : 0); + + /* + * Check whether this attribute spans into the space + * that would be used by the spill block pointer should + * a spill block be needed. + */ + might_spill_here = + buftype == SA_BONUS && *index == -1 && + (*total + P2ROUNDUP(tmp_hdrsize, 8)) > + (full_space - sizeof (blkptr_t)); + + if (is_var_sz && var_size_count > 1) { + if (buftype == SA_SPILL || + tmp_hdrsize + *total < full_space) { + /* + * Record the extra header size in case this + * increase needs to be reversed due to + * spill-over. + */ + hdrsize = tmp_hdrsize; + if (*index != -1 || might_spill_here) + extra_hdrsize += sizeof (uint16_t); + } else { + ASSERT(buftype == SA_BONUS); + if (*index == -1) + *index = i; + *will_spill = B_TRUE; + continue; + } + } + + /* + * Store index of where spill *could* occur. Then + * continue to count the remaining attribute sizes. The + * sum is used later for sizing bonus and spill buffer. + */ + if (might_spill_here) + *index = i; + + if ((*total + P2ROUNDUP(hdrsize, 8)) > full_space && + buftype == SA_BONUS) + *will_spill = B_TRUE; + } + + if (*will_spill) + hdrsize -= extra_hdrsize; + + hdrsize = P2ROUNDUP(hdrsize, 8); + return (hdrsize); +} + +#define BUF_SPACE_NEEDED(total, header) (total + header) + +/* + * Find layout that corresponds to ordering of attributes + * If not found a new layout number is created and added to + * persistent layout tables. + */ +static int +sa_build_layouts(sa_handle_t *hdl, sa_bulk_attr_t *attr_desc, int attr_count, + dmu_tx_t *tx) +{ + sa_os_t *sa = hdl->sa_os->os_sa; + uint64_t hash; + sa_buf_type_t buftype; + sa_hdr_phys_t *sahdr; + void *data_start; + sa_attr_type_t *attrs, *attrs_start; + int i, lot_count; + int spill_idx; + int hdrsize; + int spillhdrsize = 0; + int used; + dmu_object_type_t bonustype; + sa_lot_t *lot; + int len_idx; + int spill_used; + boolean_t spilling; + + dmu_buf_will_dirty(hdl->sa_bonus, tx); + bonustype = SA_BONUSTYPE_FROM_DB(hdl->sa_bonus); + + /* first determine bonus header size and sum of all attributes */ + hdrsize = sa_find_sizes(sa, attr_desc, attr_count, hdl->sa_bonus, + SA_BONUS, &spill_idx, &used, &spilling); + + if (used > SPA_OLD_MAXBLOCKSIZE) + return (SET_ERROR(EFBIG)); + + VERIFY(0 == dmu_set_bonus(hdl->sa_bonus, spilling ? + MIN(DN_MAX_BONUSLEN - sizeof (blkptr_t), used + hdrsize) : + used + hdrsize, tx)); + + ASSERT((bonustype == DMU_OT_ZNODE && spilling == 0) || + bonustype == DMU_OT_SA); + + /* setup and size spill buffer when needed */ + if (spilling) { + boolean_t dummy; + + if (hdl->sa_spill == NULL) { + VERIFY(dmu_spill_hold_by_bonus(hdl->sa_bonus, NULL, + &hdl->sa_spill) == 0); + } + dmu_buf_will_dirty(hdl->sa_spill, tx); + + spillhdrsize = sa_find_sizes(sa, &attr_desc[spill_idx], + attr_count - spill_idx, hdl->sa_spill, SA_SPILL, &i, + &spill_used, &dummy); + + if (spill_used > SPA_OLD_MAXBLOCKSIZE) + return (SET_ERROR(EFBIG)); + + if (BUF_SPACE_NEEDED(spill_used, spillhdrsize) > + hdl->sa_spill->db_size) + VERIFY(0 == sa_resize_spill(hdl, + BUF_SPACE_NEEDED(spill_used, spillhdrsize), tx)); + } + + /* setup starting pointers to lay down data */ + data_start = (void *)((uintptr_t)hdl->sa_bonus->db_data + hdrsize); + sahdr = (sa_hdr_phys_t *)hdl->sa_bonus->db_data; + buftype = SA_BONUS; + + attrs_start = attrs = kmem_alloc(sizeof (sa_attr_type_t) * attr_count, + KM_SLEEP); + lot_count = 0; + + for (i = 0, len_idx = 0, hash = -1ULL; i != attr_count; i++) { + uint16_t length; + + ASSERT(IS_P2ALIGNED(data_start, 8)); + attrs[i] = attr_desc[i].sa_attr; + length = SA_REGISTERED_LEN(sa, attrs[i]); + if (length == 0) + length = attr_desc[i].sa_length; + + if (spilling && i == spill_idx) { /* switch to spill buffer */ + VERIFY(bonustype == DMU_OT_SA); + if (buftype == SA_BONUS && !sa->sa_force_spill) { + sa_find_layout(hdl->sa_os, hash, attrs_start, + lot_count, tx, &lot); + SA_SET_HDR(sahdr, lot->lot_num, hdrsize); + } + + buftype = SA_SPILL; + hash = -1ULL; + len_idx = 0; + + sahdr = (sa_hdr_phys_t *)hdl->sa_spill->db_data; + sahdr->sa_magic = SA_MAGIC; + data_start = (void *)((uintptr_t)sahdr + + spillhdrsize); + attrs_start = &attrs[i]; + lot_count = 0; + } + hash ^= SA_ATTR_HASH(attrs[i]); + attr_desc[i].sa_addr = data_start; + attr_desc[i].sa_size = length; + SA_COPY_DATA(attr_desc[i].sa_data_func, attr_desc[i].sa_data, + data_start, length); + if (sa->sa_attr_table[attrs[i]].sa_length == 0) { + sahdr->sa_lengths[len_idx++] = length; + } + data_start = (void *)P2ROUNDUP(((uintptr_t)data_start + + length), 8); + lot_count++; + } + + sa_find_layout(hdl->sa_os, hash, attrs_start, lot_count, tx, &lot); + + /* + * Verify that old znodes always have layout number 0. + * Must be DMU_OT_SA for arbitrary layouts + */ + VERIFY((bonustype == DMU_OT_ZNODE && lot->lot_num == 0) || + (bonustype == DMU_OT_SA && lot->lot_num > 1)); + + if (bonustype == DMU_OT_SA) { + SA_SET_HDR(sahdr, lot->lot_num, + buftype == SA_BONUS ? hdrsize : spillhdrsize); + } + + kmem_free(attrs, sizeof (sa_attr_type_t) * attr_count); + if (hdl->sa_bonus_tab) { + sa_idx_tab_rele(hdl->sa_os, hdl->sa_bonus_tab); + hdl->sa_bonus_tab = NULL; + } + if (!sa->sa_force_spill) + VERIFY(0 == sa_build_index(hdl, SA_BONUS)); + if (hdl->sa_spill) { + sa_idx_tab_rele(hdl->sa_os, hdl->sa_spill_tab); + if (!spilling) { + /* + * remove spill block that is no longer needed. + */ + dmu_buf_rele(hdl->sa_spill, NULL); + hdl->sa_spill = NULL; + hdl->sa_spill_tab = NULL; + VERIFY(0 == dmu_rm_spill(hdl->sa_os, + sa_handle_object(hdl), tx)); + } else { + VERIFY(0 == sa_build_index(hdl, SA_SPILL)); + } + } + + return (0); +} + +static void +sa_free_attr_table(sa_os_t *sa) +{ + int i; + + if (sa->sa_attr_table == NULL) + return; + + for (i = 0; i != sa->sa_num_attrs; i++) { + if (sa->sa_attr_table[i].sa_name) + kmem_free(sa->sa_attr_table[i].sa_name, + strlen(sa->sa_attr_table[i].sa_name) + 1); + } + + kmem_free(sa->sa_attr_table, + sizeof (sa_attr_table_t) * sa->sa_num_attrs); + + sa->sa_attr_table = NULL; +} + +static int +sa_attr_table_setup(objset_t *os, sa_attr_reg_t *reg_attrs, int count) +{ + sa_os_t *sa = os->os_sa; + uint64_t sa_attr_count = 0; + uint64_t sa_reg_count = 0; + int error = 0; + uint64_t attr_value; + sa_attr_table_t *tb; + zap_cursor_t zc; + zap_attribute_t za; + int registered_count = 0; + int i; + dmu_objset_type_t ostype = dmu_objset_type(os); + + sa->sa_user_table = + kmem_zalloc(count * sizeof (sa_attr_type_t), KM_SLEEP); + sa->sa_user_table_sz = count * sizeof (sa_attr_type_t); + + if (sa->sa_reg_attr_obj != 0) { + error = zap_count(os, sa->sa_reg_attr_obj, + &sa_attr_count); + + /* + * Make sure we retrieved a count and that it isn't zero + */ + if (error || (error == 0 && sa_attr_count == 0)) { + if (error == 0) + error = SET_ERROR(EINVAL); + goto bail; + } + sa_reg_count = sa_attr_count; + } + + if (ostype == DMU_OST_ZFS && sa_attr_count == 0) + sa_attr_count += sa_legacy_attr_count; + + /* Allocate attribute numbers for attributes that aren't registered */ + for (i = 0; i != count; i++) { + boolean_t found = B_FALSE; + int j; + + if (ostype == DMU_OST_ZFS) { + for (j = 0; j != sa_legacy_attr_count; j++) { + if (strcmp(reg_attrs[i].sa_name, + sa_legacy_attrs[j].sa_name) == 0) { + sa->sa_user_table[i] = + sa_legacy_attrs[j].sa_attr; + found = B_TRUE; + } + } + } + if (found) + continue; + + if (sa->sa_reg_attr_obj) + error = zap_lookup(os, sa->sa_reg_attr_obj, + reg_attrs[i].sa_name, 8, 1, &attr_value); + else + error = SET_ERROR(ENOENT); + switch (error) { + case ENOENT: + sa->sa_user_table[i] = (sa_attr_type_t)sa_attr_count; + sa_attr_count++; + break; + case 0: + sa->sa_user_table[i] = ATTR_NUM(attr_value); + break; + default: + goto bail; + } + } + + sa->sa_num_attrs = sa_attr_count; + tb = sa->sa_attr_table = + kmem_zalloc(sizeof (sa_attr_table_t) * sa_attr_count, KM_SLEEP); + + /* + * Attribute table is constructed from requested attribute list, + * previously foreign registered attributes, and also the legacy + * ZPL set of attributes. + */ + + if (sa->sa_reg_attr_obj) { + for (zap_cursor_init(&zc, os, sa->sa_reg_attr_obj); + (error = zap_cursor_retrieve(&zc, &za)) == 0; + zap_cursor_advance(&zc)) { + uint64_t value; + value = za.za_first_integer; + + registered_count++; + tb[ATTR_NUM(value)].sa_attr = ATTR_NUM(value); + tb[ATTR_NUM(value)].sa_length = ATTR_LENGTH(value); + tb[ATTR_NUM(value)].sa_byteswap = ATTR_BSWAP(value); + tb[ATTR_NUM(value)].sa_registered = B_TRUE; + + if (tb[ATTR_NUM(value)].sa_name) { + continue; + } + tb[ATTR_NUM(value)].sa_name = + kmem_zalloc(strlen(za.za_name) +1, KM_SLEEP); + (void) strlcpy(tb[ATTR_NUM(value)].sa_name, za.za_name, + strlen(za.za_name) +1); + } + zap_cursor_fini(&zc); + /* + * Make sure we processed the correct number of registered + * attributes + */ + if (registered_count != sa_reg_count) { + ASSERT(error != 0); + goto bail; + } + + } + + if (ostype == DMU_OST_ZFS) { + for (i = 0; i != sa_legacy_attr_count; i++) { + if (tb[i].sa_name) + continue; + tb[i].sa_attr = sa_legacy_attrs[i].sa_attr; + tb[i].sa_length = sa_legacy_attrs[i].sa_length; + tb[i].sa_byteswap = sa_legacy_attrs[i].sa_byteswap; + tb[i].sa_registered = B_FALSE; + tb[i].sa_name = + kmem_zalloc(strlen(sa_legacy_attrs[i].sa_name) +1, + KM_SLEEP); + (void) strlcpy(tb[i].sa_name, + sa_legacy_attrs[i].sa_name, + strlen(sa_legacy_attrs[i].sa_name) + 1); + } + } + + for (i = 0; i != count; i++) { + sa_attr_type_t attr_id; + + attr_id = sa->sa_user_table[i]; + if (tb[attr_id].sa_name) + continue; + + tb[attr_id].sa_length = reg_attrs[i].sa_length; + tb[attr_id].sa_byteswap = reg_attrs[i].sa_byteswap; + tb[attr_id].sa_attr = attr_id; + tb[attr_id].sa_name = + kmem_zalloc(strlen(reg_attrs[i].sa_name) + 1, KM_SLEEP); + (void) strlcpy(tb[attr_id].sa_name, reg_attrs[i].sa_name, + strlen(reg_attrs[i].sa_name) + 1); + } + + sa->sa_need_attr_registration = + (sa_attr_count != registered_count); + + return (0); +bail: + kmem_free(sa->sa_user_table, count * sizeof (sa_attr_type_t)); + sa->sa_user_table = NULL; + sa_free_attr_table(sa); + return ((error != 0) ? error : EINVAL); +} + +int +sa_setup(objset_t *os, uint64_t sa_obj, sa_attr_reg_t *reg_attrs, int count, + sa_attr_type_t **user_table) +{ + zap_cursor_t zc; + zap_attribute_t za; + sa_os_t *sa; + dmu_objset_type_t ostype = dmu_objset_type(os); + sa_attr_type_t *tb; + int error; + + mutex_enter(&os->os_user_ptr_lock); + if (os->os_sa) { + mutex_enter(&os->os_sa->sa_lock); + mutex_exit(&os->os_user_ptr_lock); + tb = os->os_sa->sa_user_table; + mutex_exit(&os->os_sa->sa_lock); + *user_table = tb; + return (0); + } + + sa = kmem_zalloc(sizeof (sa_os_t), KM_SLEEP); + mutex_init(&sa->sa_lock, NULL, MUTEX_DEFAULT, NULL); + sa->sa_master_obj = sa_obj; + + os->os_sa = sa; + mutex_enter(&sa->sa_lock); + mutex_exit(&os->os_user_ptr_lock); + avl_create(&sa->sa_layout_num_tree, layout_num_compare, + sizeof (sa_lot_t), offsetof(sa_lot_t, lot_num_node)); + avl_create(&sa->sa_layout_hash_tree, layout_hash_compare, + sizeof (sa_lot_t), offsetof(sa_lot_t, lot_hash_node)); + + if (sa_obj) { + error = zap_lookup(os, sa_obj, SA_LAYOUTS, + 8, 1, &sa->sa_layout_attr_obj); + if (error != 0 && error != ENOENT) + goto fail; + error = zap_lookup(os, sa_obj, SA_REGISTRY, + 8, 1, &sa->sa_reg_attr_obj); + if (error != 0 && error != ENOENT) + goto fail; + } + + if ((error = sa_attr_table_setup(os, reg_attrs, count)) != 0) + goto fail; + + if (sa->sa_layout_attr_obj != 0) { + uint64_t layout_count; + + error = zap_count(os, sa->sa_layout_attr_obj, + &layout_count); + + /* + * Layout number count should be > 0 + */ + if (error || (error == 0 && layout_count == 0)) { + if (error == 0) + error = SET_ERROR(EINVAL); + goto fail; + } + + for (zap_cursor_init(&zc, os, sa->sa_layout_attr_obj); + (error = zap_cursor_retrieve(&zc, &za)) == 0; + zap_cursor_advance(&zc)) { + sa_attr_type_t *lot_attrs; + uint64_t lot_num; + + lot_attrs = kmem_zalloc(sizeof (sa_attr_type_t) * + za.za_num_integers, KM_SLEEP); + + if ((error = (zap_lookup(os, sa->sa_layout_attr_obj, + za.za_name, 2, za.za_num_integers, + lot_attrs))) != 0) { + kmem_free(lot_attrs, sizeof (sa_attr_type_t) * + za.za_num_integers); + break; + } + VERIFY(ddi_strtoull(za.za_name, NULL, 10, + (unsigned long long *)&lot_num) == 0); + + (void) sa_add_layout_entry(os, lot_attrs, + za.za_num_integers, lot_num, + sa_layout_info_hash(lot_attrs, + za.za_num_integers), B_FALSE, NULL); + kmem_free(lot_attrs, sizeof (sa_attr_type_t) * + za.za_num_integers); + } + zap_cursor_fini(&zc); + + /* + * Make sure layout count matches number of entries added + * to AVL tree + */ + if (avl_numnodes(&sa->sa_layout_num_tree) != layout_count) { + ASSERT(error != 0); + goto fail; + } + } + + /* Add special layout number for old ZNODES */ + if (ostype == DMU_OST_ZFS) { + (void) sa_add_layout_entry(os, sa_legacy_zpl_layout, + sa_legacy_attr_count, 0, + sa_layout_info_hash(sa_legacy_zpl_layout, + sa_legacy_attr_count), B_FALSE, NULL); + + (void) sa_add_layout_entry(os, sa_dummy_zpl_layout, 0, 1, + 0, B_FALSE, NULL); + } + *user_table = os->os_sa->sa_user_table; + mutex_exit(&sa->sa_lock); + return (0); +fail: + os->os_sa = NULL; + sa_free_attr_table(sa); + if (sa->sa_user_table) + kmem_free(sa->sa_user_table, sa->sa_user_table_sz); + mutex_exit(&sa->sa_lock); + avl_destroy(&sa->sa_layout_hash_tree); + avl_destroy(&sa->sa_layout_num_tree); + mutex_destroy(&sa->sa_lock); + kmem_free(sa, sizeof (sa_os_t)); + return ((error == ECKSUM) ? EIO : error); +} + +void +sa_tear_down(objset_t *os) +{ + sa_os_t *sa = os->os_sa; + sa_lot_t *layout; + void *cookie; + + kmem_free(sa->sa_user_table, sa->sa_user_table_sz); + + /* Free up attr table */ + + sa_free_attr_table(sa); + + cookie = NULL; + while ((layout = + avl_destroy_nodes(&sa->sa_layout_hash_tree, &cookie))) { + sa_idx_tab_t *tab; + while ((tab = list_head(&layout->lot_idx_tab))) { + ASSERT(refcount_count(&tab->sa_refcount)); + sa_idx_tab_rele(os, tab); + } + } + + cookie = NULL; + while ((layout = avl_destroy_nodes(&sa->sa_layout_num_tree, &cookie))) { + kmem_free(layout->lot_attrs, + sizeof (sa_attr_type_t) * layout->lot_attr_count); + kmem_free(layout, sizeof (sa_lot_t)); + } + + avl_destroy(&sa->sa_layout_hash_tree); + avl_destroy(&sa->sa_layout_num_tree); + mutex_destroy(&sa->sa_lock); + + kmem_free(sa, sizeof (sa_os_t)); + os->os_sa = NULL; +} + +void +sa_build_idx_tab(void *hdr, void *attr_addr, sa_attr_type_t attr, + uint16_t length, int length_idx, boolean_t var_length, void *userp) +{ + sa_idx_tab_t *idx_tab = userp; + + if (var_length) { + ASSERT(idx_tab->sa_variable_lengths); + idx_tab->sa_variable_lengths[length_idx] = length; + } + TOC_ATTR_ENCODE(idx_tab->sa_idx_tab[attr], length_idx, + (uint32_t)((uintptr_t)attr_addr - (uintptr_t)hdr)); +} + +static void +sa_attr_iter(objset_t *os, sa_hdr_phys_t *hdr, dmu_object_type_t type, + sa_iterfunc_t func, sa_lot_t *tab, void *userp) +{ + void *data_start; + sa_lot_t *tb = tab; + sa_lot_t search; + avl_index_t loc; + sa_os_t *sa = os->os_sa; + int i; + uint16_t *length_start = NULL; + uint8_t length_idx = 0; + + if (tab == NULL) { + search.lot_num = SA_LAYOUT_NUM(hdr, type); + tb = avl_find(&sa->sa_layout_num_tree, &search, &loc); + ASSERT(tb); + } + + if (IS_SA_BONUSTYPE(type)) { + data_start = (void *)P2ROUNDUP(((uintptr_t)hdr + + offsetof(sa_hdr_phys_t, sa_lengths) + + (sizeof (uint16_t) * tb->lot_var_sizes)), 8); + length_start = hdr->sa_lengths; + } else { + data_start = hdr; + } + + for (i = 0; i != tb->lot_attr_count; i++) { + int attr_length, reg_length; + uint8_t idx_len; + + reg_length = sa->sa_attr_table[tb->lot_attrs[i]].sa_length; + if (reg_length) { + attr_length = reg_length; + idx_len = 0; + } else { + attr_length = length_start[length_idx]; + idx_len = length_idx++; + } + + func(hdr, data_start, tb->lot_attrs[i], attr_length, + idx_len, reg_length == 0 ? B_TRUE : B_FALSE, userp); + + data_start = (void *)P2ROUNDUP(((uintptr_t)data_start + + attr_length), 8); + } +} + +/*ARGSUSED*/ +void +sa_byteswap_cb(void *hdr, void *attr_addr, sa_attr_type_t attr, + uint16_t length, int length_idx, boolean_t variable_length, void *userp) +{ + sa_handle_t *hdl = userp; + sa_os_t *sa = hdl->sa_os->os_sa; + + sa_bswap_table[sa->sa_attr_table[attr].sa_byteswap](attr_addr, length); +} + +void +sa_byteswap(sa_handle_t *hdl, sa_buf_type_t buftype) +{ + sa_hdr_phys_t *sa_hdr_phys = SA_GET_HDR(hdl, buftype); + dmu_buf_impl_t *db; + int num_lengths = 1; + int i; + ASSERTV(sa_os_t *sa = hdl->sa_os->os_sa); + + ASSERT(MUTEX_HELD(&sa->sa_lock)); + if (sa_hdr_phys->sa_magic == SA_MAGIC) + return; + + db = SA_GET_DB(hdl, buftype); + + if (buftype == SA_SPILL) { + arc_release(db->db_buf, NULL); + arc_buf_thaw(db->db_buf); + } + + sa_hdr_phys->sa_magic = BSWAP_32(sa_hdr_phys->sa_magic); + sa_hdr_phys->sa_layout_info = BSWAP_16(sa_hdr_phys->sa_layout_info); + + /* + * Determine number of variable lenghts in header + * The standard 8 byte header has one for free and a + * 16 byte header would have 4 + 1; + */ + if (SA_HDR_SIZE(sa_hdr_phys) > 8) + num_lengths += (SA_HDR_SIZE(sa_hdr_phys) - 8) >> 1; + for (i = 0; i != num_lengths; i++) + sa_hdr_phys->sa_lengths[i] = + BSWAP_16(sa_hdr_phys->sa_lengths[i]); + + sa_attr_iter(hdl->sa_os, sa_hdr_phys, DMU_OT_SA, + sa_byteswap_cb, NULL, hdl); + + if (buftype == SA_SPILL) + arc_buf_freeze(((dmu_buf_impl_t *)hdl->sa_spill)->db_buf); +} + +static int +sa_build_index(sa_handle_t *hdl, sa_buf_type_t buftype) +{ + sa_hdr_phys_t *sa_hdr_phys; + dmu_buf_impl_t *db = SA_GET_DB(hdl, buftype); + dmu_object_type_t bonustype = SA_BONUSTYPE_FROM_DB(db); + sa_os_t *sa = hdl->sa_os->os_sa; + sa_idx_tab_t *idx_tab; + + sa_hdr_phys = SA_GET_HDR(hdl, buftype); + + mutex_enter(&sa->sa_lock); + + /* Do we need to byteswap? */ + + /* only check if not old znode */ + if (IS_SA_BONUSTYPE(bonustype) && sa_hdr_phys->sa_magic != SA_MAGIC && + sa_hdr_phys->sa_magic != 0) { + VERIFY(BSWAP_32(sa_hdr_phys->sa_magic) == SA_MAGIC); + sa_byteswap(hdl, buftype); + } + + idx_tab = sa_find_idx_tab(hdl->sa_os, bonustype, sa_hdr_phys); + + if (buftype == SA_BONUS) + hdl->sa_bonus_tab = idx_tab; + else + hdl->sa_spill_tab = idx_tab; + + mutex_exit(&sa->sa_lock); + return (0); +} + +/*ARGSUSED*/ +static void +sa_evict(void *dbu) +{ + panic("evicting sa dbuf\n"); +} + +static void +sa_idx_tab_rele(objset_t *os, void *arg) +{ + sa_os_t *sa = os->os_sa; + sa_idx_tab_t *idx_tab = arg; + + if (idx_tab == NULL) + return; + + mutex_enter(&sa->sa_lock); + if (refcount_remove(&idx_tab->sa_refcount, NULL) == 0) { + list_remove(&idx_tab->sa_layout->lot_idx_tab, idx_tab); + if (idx_tab->sa_variable_lengths) + kmem_free(idx_tab->sa_variable_lengths, + sizeof (uint16_t) * + idx_tab->sa_layout->lot_var_sizes); + refcount_destroy(&idx_tab->sa_refcount); + kmem_free(idx_tab->sa_idx_tab, + sizeof (uint32_t) * sa->sa_num_attrs); + kmem_free(idx_tab, sizeof (sa_idx_tab_t)); + } + mutex_exit(&sa->sa_lock); +} + +static void +sa_idx_tab_hold(objset_t *os, sa_idx_tab_t *idx_tab) +{ + ASSERTV(sa_os_t *sa = os->os_sa); + + ASSERT(MUTEX_HELD(&sa->sa_lock)); + (void) refcount_add(&idx_tab->sa_refcount, NULL); +} + +void +sa_spill_rele(sa_handle_t *hdl) +{ + mutex_enter(&hdl->sa_lock); + if (hdl->sa_spill) { + sa_idx_tab_rele(hdl->sa_os, hdl->sa_spill_tab); + dmu_buf_rele(hdl->sa_spill, NULL); + hdl->sa_spill = NULL; + hdl->sa_spill_tab = NULL; + } + mutex_exit(&hdl->sa_lock); +} + +void +sa_handle_destroy(sa_handle_t *hdl) +{ + dmu_buf_t *db = hdl->sa_bonus; + + mutex_enter(&hdl->sa_lock); + (void) dmu_buf_remove_user(db, &hdl->sa_dbu); + + if (hdl->sa_bonus_tab) + sa_idx_tab_rele(hdl->sa_os, hdl->sa_bonus_tab); + + if (hdl->sa_spill_tab) + sa_idx_tab_rele(hdl->sa_os, hdl->sa_spill_tab); + + dmu_buf_rele(hdl->sa_bonus, NULL); + + if (hdl->sa_spill) + dmu_buf_rele((dmu_buf_t *)hdl->sa_spill, NULL); + mutex_exit(&hdl->sa_lock); + + kmem_cache_free(sa_cache, hdl); +} + +int +sa_handle_get_from_db(objset_t *os, dmu_buf_t *db, void *userp, + sa_handle_type_t hdl_type, sa_handle_t **handlepp) +{ + int error = 0; + sa_handle_t *handle = NULL; +#ifdef ZFS_DEBUG + dmu_object_info_t doi; + + dmu_object_info_from_db(db, &doi); + ASSERT(doi.doi_bonus_type == DMU_OT_SA || + doi.doi_bonus_type == DMU_OT_ZNODE); +#endif + /* find handle, if it exists */ + /* if one doesn't exist then create a new one, and initialize it */ + + if (hdl_type == SA_HDL_SHARED) + handle = dmu_buf_get_user(db); + + if (handle == NULL) { + sa_handle_t *winner = NULL; + + handle = kmem_cache_alloc(sa_cache, KM_SLEEP); + handle->sa_dbu.dbu_evict_func = NULL; + handle->sa_userp = userp; + handle->sa_bonus = db; + handle->sa_os = os; + handle->sa_spill = NULL; + handle->sa_bonus_tab = NULL; + handle->sa_spill_tab = NULL; + + error = sa_build_index(handle, SA_BONUS); + + if (hdl_type == SA_HDL_SHARED) { + dmu_buf_init_user(&handle->sa_dbu, sa_evict, NULL); + winner = dmu_buf_set_user_ie(db, &handle->sa_dbu); + } + + if (winner != NULL) { + kmem_cache_free(sa_cache, handle); + handle = winner; + } + } + *handlepp = handle; + + return (error); +} + +int +sa_handle_get(objset_t *objset, uint64_t objid, void *userp, + sa_handle_type_t hdl_type, sa_handle_t **handlepp) +{ + dmu_buf_t *db; + int error; + + if ((error = dmu_bonus_hold(objset, objid, NULL, &db))) + return (error); + + return (sa_handle_get_from_db(objset, db, userp, hdl_type, + handlepp)); +} + +int +sa_buf_hold(objset_t *objset, uint64_t obj_num, void *tag, dmu_buf_t **db) +{ + return (dmu_bonus_hold(objset, obj_num, tag, db)); +} + +void +sa_buf_rele(dmu_buf_t *db, void *tag) +{ + dmu_buf_rele(db, tag); +} + +int +sa_lookup_impl(sa_handle_t *hdl, sa_bulk_attr_t *bulk, int count) +{ + ASSERT(hdl); + ASSERT(MUTEX_HELD(&hdl->sa_lock)); + return (sa_attr_op(hdl, bulk, count, SA_LOOKUP, NULL)); +} + +int +sa_lookup(sa_handle_t *hdl, sa_attr_type_t attr, void *buf, uint32_t buflen) +{ + int error; + sa_bulk_attr_t bulk; + + VERIFY3U(buflen, <=, SA_ATTR_MAX_LEN); + + bulk.sa_attr = attr; + bulk.sa_data = buf; + bulk.sa_length = buflen; + bulk.sa_data_func = NULL; + + ASSERT(hdl); + mutex_enter(&hdl->sa_lock); + error = sa_lookup_impl(hdl, &bulk, 1); + mutex_exit(&hdl->sa_lock); + return (error); +} + +#ifdef _KERNEL +int +sa_lookup_uio(sa_handle_t *hdl, sa_attr_type_t attr, uio_t *uio) +{ + int error; + sa_bulk_attr_t bulk; + + bulk.sa_data = NULL; + bulk.sa_attr = attr; + bulk.sa_data_func = NULL; + + ASSERT(hdl); + + mutex_enter(&hdl->sa_lock); + if ((error = sa_attr_op(hdl, &bulk, 1, SA_LOOKUP, NULL)) == 0) { + error = uiomove((void *)bulk.sa_addr, MIN(bulk.sa_size, + uio->uio_resid), UIO_READ, uio); + } + mutex_exit(&hdl->sa_lock); + return (error); +} +#endif + +void * +sa_find_idx_tab(objset_t *os, dmu_object_type_t bonustype, void *data) +{ + sa_idx_tab_t *idx_tab; + sa_hdr_phys_t *hdr = (sa_hdr_phys_t *)data; + sa_os_t *sa = os->os_sa; + sa_lot_t *tb, search; + avl_index_t loc; + + /* + * Deterimine layout number. If SA node and header == 0 then + * force the index table to the dummy "1" empty layout. + * + * The layout number would only be zero for a newly created file + * that has not added any attributes yet, or with crypto enabled which + * doesn't write any attributes to the bonus buffer. + */ + + search.lot_num = SA_LAYOUT_NUM(hdr, bonustype); + + tb = avl_find(&sa->sa_layout_num_tree, &search, &loc); + + /* Verify header size is consistent with layout information */ + ASSERT(tb); + ASSERT((IS_SA_BONUSTYPE(bonustype) && + SA_HDR_SIZE_MATCH_LAYOUT(hdr, tb)) || !IS_SA_BONUSTYPE(bonustype) || + (IS_SA_BONUSTYPE(bonustype) && hdr->sa_layout_info == 0)); + + /* + * See if any of the already existing TOC entries can be reused? + */ + + for (idx_tab = list_head(&tb->lot_idx_tab); idx_tab; + idx_tab = list_next(&tb->lot_idx_tab, idx_tab)) { + boolean_t valid_idx = B_TRUE; + int i; + + if (tb->lot_var_sizes != 0 && + idx_tab->sa_variable_lengths != NULL) { + for (i = 0; i != tb->lot_var_sizes; i++) { + if (hdr->sa_lengths[i] != + idx_tab->sa_variable_lengths[i]) { + valid_idx = B_FALSE; + break; + } + } + } + if (valid_idx) { + sa_idx_tab_hold(os, idx_tab); + return (idx_tab); + } + } + + /* No such luck, create a new entry */ + idx_tab = kmem_zalloc(sizeof (sa_idx_tab_t), KM_SLEEP); + idx_tab->sa_idx_tab = + kmem_zalloc(sizeof (uint32_t) * sa->sa_num_attrs, KM_SLEEP); + idx_tab->sa_layout = tb; + refcount_create(&idx_tab->sa_refcount); + if (tb->lot_var_sizes) + idx_tab->sa_variable_lengths = kmem_alloc(sizeof (uint16_t) * + tb->lot_var_sizes, KM_SLEEP); + + sa_attr_iter(os, hdr, bonustype, sa_build_idx_tab, + tb, idx_tab); + sa_idx_tab_hold(os, idx_tab); /* one hold for consumer */ + sa_idx_tab_hold(os, idx_tab); /* one for layout */ + list_insert_tail(&tb->lot_idx_tab, idx_tab); + return (idx_tab); +} + +void +sa_default_locator(void **dataptr, uint32_t *len, uint32_t total_len, + boolean_t start, void *userdata) +{ + ASSERT(start); + + *dataptr = userdata; + *len = total_len; +} + +static void +sa_attr_register_sync(sa_handle_t *hdl, dmu_tx_t *tx) +{ + uint64_t attr_value = 0; + sa_os_t *sa = hdl->sa_os->os_sa; + sa_attr_table_t *tb = sa->sa_attr_table; + int i; + + mutex_enter(&sa->sa_lock); + + if (!sa->sa_need_attr_registration || sa->sa_master_obj == 0) { + mutex_exit(&sa->sa_lock); + return; + } + + if (sa->sa_reg_attr_obj == 0) { + sa->sa_reg_attr_obj = zap_create_link(hdl->sa_os, + DMU_OT_SA_ATTR_REGISTRATION, + sa->sa_master_obj, SA_REGISTRY, tx); + } + for (i = 0; i != sa->sa_num_attrs; i++) { + if (sa->sa_attr_table[i].sa_registered) + continue; + ATTR_ENCODE(attr_value, tb[i].sa_attr, tb[i].sa_length, + tb[i].sa_byteswap); + VERIFY(0 == zap_update(hdl->sa_os, sa->sa_reg_attr_obj, + tb[i].sa_name, 8, 1, &attr_value, tx)); + tb[i].sa_registered = B_TRUE; + } + sa->sa_need_attr_registration = B_FALSE; + mutex_exit(&sa->sa_lock); +} + +/* + * Replace all attributes with attributes specified in template. + * If dnode had a spill buffer then those attributes will be + * also be replaced, possibly with just an empty spill block + * + * This interface is intended to only be used for bulk adding of + * attributes for a new file. It will also be used by the ZPL + * when converting and old formatted znode to native SA support. + */ +int +sa_replace_all_by_template_locked(sa_handle_t *hdl, sa_bulk_attr_t *attr_desc, + int attr_count, dmu_tx_t *tx) +{ + sa_os_t *sa = hdl->sa_os->os_sa; + + if (sa->sa_need_attr_registration) + sa_attr_register_sync(hdl, tx); + return (sa_build_layouts(hdl, attr_desc, attr_count, tx)); +} + +int +sa_replace_all_by_template(sa_handle_t *hdl, sa_bulk_attr_t *attr_desc, + int attr_count, dmu_tx_t *tx) +{ + int error; + + mutex_enter(&hdl->sa_lock); + error = sa_replace_all_by_template_locked(hdl, attr_desc, + attr_count, tx); + mutex_exit(&hdl->sa_lock); + return (error); +} + +/* + * add/remove/replace a single attribute and then rewrite the entire set + * of attributes. + */ +static int +sa_modify_attrs(sa_handle_t *hdl, sa_attr_type_t newattr, + sa_data_op_t action, sa_data_locator_t *locator, void *datastart, + uint16_t buflen, dmu_tx_t *tx) +{ + sa_os_t *sa = hdl->sa_os->os_sa; + dmu_buf_impl_t *db = (dmu_buf_impl_t *)hdl->sa_bonus; + dnode_t *dn; + sa_bulk_attr_t *attr_desc; + void *old_data[2]; + int bonus_attr_count = 0; + int bonus_data_size = 0; + int spill_data_size = 0; + int spill_attr_count = 0; + int error; + uint16_t length; + int i, j, k, length_idx; + sa_hdr_phys_t *hdr; + sa_idx_tab_t *idx_tab; + int attr_count; + int count; + + ASSERT(MUTEX_HELD(&hdl->sa_lock)); + + /* First make of copy of the old data */ + + DB_DNODE_ENTER(db); + dn = DB_DNODE(db); + if (dn->dn_bonuslen != 0) { + bonus_data_size = hdl->sa_bonus->db_size; + old_data[0] = kmem_alloc(bonus_data_size, KM_SLEEP); + bcopy(hdl->sa_bonus->db_data, old_data[0], + hdl->sa_bonus->db_size); + bonus_attr_count = hdl->sa_bonus_tab->sa_layout->lot_attr_count; + } else { + old_data[0] = NULL; + } + DB_DNODE_EXIT(db); + + /* Bring spill buffer online if it isn't currently */ + + if ((error = sa_get_spill(hdl)) == 0) { + spill_data_size = hdl->sa_spill->db_size; + old_data[1] = zio_buf_alloc(spill_data_size); + bcopy(hdl->sa_spill->db_data, old_data[1], + hdl->sa_spill->db_size); + spill_attr_count = + hdl->sa_spill_tab->sa_layout->lot_attr_count; + } else if (error && error != ENOENT) { + if (old_data[0]) + kmem_free(old_data[0], bonus_data_size); + return (error); + } else { + old_data[1] = NULL; + } + + /* build descriptor of all attributes */ + + attr_count = bonus_attr_count + spill_attr_count; + if (action == SA_ADD) + attr_count++; + else if (action == SA_REMOVE) + attr_count--; + + attr_desc = kmem_zalloc(sizeof (sa_bulk_attr_t) * attr_count, KM_SLEEP); + + /* + * loop through bonus and spill buffer if it exists, and + * build up new attr_descriptor to reset the attributes + */ + k = j = 0; + count = bonus_attr_count; + hdr = SA_GET_HDR(hdl, SA_BONUS); + idx_tab = SA_IDX_TAB_GET(hdl, SA_BONUS); + for (; k != 2; k++) { + /* + * Iterate over each attribute in layout. Fetch the + * size of variable-length attributes needing rewrite + * from sa_lengths[]. + */ + for (i = 0, length_idx = 0; i != count; i++) { + sa_attr_type_t attr; + + attr = idx_tab->sa_layout->lot_attrs[i]; + length = SA_REGISTERED_LEN(sa, attr); + if (attr == newattr) { + if (length == 0) + ++length_idx; + if (action == SA_REMOVE) + continue; + ASSERT(length == 0); + ASSERT(action == SA_REPLACE); + SA_ADD_BULK_ATTR(attr_desc, j, attr, + locator, datastart, buflen); + } else { + if (length == 0) + length = hdr->sa_lengths[length_idx++]; + + SA_ADD_BULK_ATTR(attr_desc, j, attr, + NULL, (void *) + (TOC_OFF(idx_tab->sa_idx_tab[attr]) + + (uintptr_t)old_data[k]), length); + } + } + if (k == 0 && hdl->sa_spill) { + hdr = SA_GET_HDR(hdl, SA_SPILL); + idx_tab = SA_IDX_TAB_GET(hdl, SA_SPILL); + count = spill_attr_count; + } else { + break; + } + } + if (action == SA_ADD) { + length = SA_REGISTERED_LEN(sa, newattr); + if (length == 0) { + length = buflen; + } + SA_ADD_BULK_ATTR(attr_desc, j, newattr, locator, + datastart, length); + } + + error = sa_build_layouts(hdl, attr_desc, attr_count, tx); + + if (old_data[0]) + kmem_free(old_data[0], bonus_data_size); + if (old_data[1]) + zio_buf_free(old_data[1], spill_data_size); + kmem_free(attr_desc, sizeof (sa_bulk_attr_t) * attr_count); + + return (error); +} + +static int +sa_bulk_update_impl(sa_handle_t *hdl, sa_bulk_attr_t *bulk, int count, + dmu_tx_t *tx) +{ + int error; + sa_os_t *sa = hdl->sa_os->os_sa; + dmu_object_type_t bonustype; + dmu_buf_t *saved_spill; + + ASSERT(hdl); + ASSERT(MUTEX_HELD(&hdl->sa_lock)); + + bonustype = SA_BONUSTYPE_FROM_DB(SA_GET_DB(hdl, SA_BONUS)); + saved_spill = hdl->sa_spill; + + /* sync out registration table if necessary */ + if (sa->sa_need_attr_registration) + sa_attr_register_sync(hdl, tx); + + error = sa_attr_op(hdl, bulk, count, SA_UPDATE, tx); + if (error == 0 && !IS_SA_BONUSTYPE(bonustype) && sa->sa_update_cb) + sa->sa_update_cb(hdl, tx); + + /* + * If saved_spill is NULL and current sa_spill is not NULL that + * means we increased the refcount of the spill buffer through + * sa_get_spill() or dmu_spill_hold_by_dnode(). Therefore we + * must release the hold before calling dmu_tx_commit() to avoid + * making a copy of this buffer in dbuf_sync_leaf() due to the + * reference count now being greater than 1. + */ + if (!saved_spill && hdl->sa_spill) { + if (hdl->sa_spill_tab) { + sa_idx_tab_rele(hdl->sa_os, hdl->sa_spill_tab); + hdl->sa_spill_tab = NULL; + } + + dmu_buf_rele((dmu_buf_t *)hdl->sa_spill, NULL); + hdl->sa_spill = NULL; + } + + return (error); +} + +/* + * update or add new attribute + */ +int +sa_update(sa_handle_t *hdl, sa_attr_type_t type, + void *buf, uint32_t buflen, dmu_tx_t *tx) +{ + int error; + sa_bulk_attr_t bulk; + + VERIFY3U(buflen, <=, SA_ATTR_MAX_LEN); + + bulk.sa_attr = type; + bulk.sa_data_func = NULL; + bulk.sa_length = buflen; + bulk.sa_data = buf; + + mutex_enter(&hdl->sa_lock); + error = sa_bulk_update_impl(hdl, &bulk, 1, tx); + mutex_exit(&hdl->sa_lock); + return (error); +} + +int +sa_update_from_cb(sa_handle_t *hdl, sa_attr_type_t attr, + uint32_t buflen, sa_data_locator_t *locator, void *userdata, dmu_tx_t *tx) +{ + int error; + sa_bulk_attr_t bulk; + + VERIFY3U(buflen, <=, SA_ATTR_MAX_LEN); + + bulk.sa_attr = attr; + bulk.sa_data = userdata; + bulk.sa_data_func = locator; + bulk.sa_length = buflen; + + mutex_enter(&hdl->sa_lock); + error = sa_bulk_update_impl(hdl, &bulk, 1, tx); + mutex_exit(&hdl->sa_lock); + return (error); +} + +/* + * Return size of an attribute + */ + +int +sa_size(sa_handle_t *hdl, sa_attr_type_t attr, int *size) +{ + sa_bulk_attr_t bulk; + int error; + + bulk.sa_data = NULL; + bulk.sa_attr = attr; + bulk.sa_data_func = NULL; + + ASSERT(hdl); + mutex_enter(&hdl->sa_lock); + if ((error = sa_attr_op(hdl, &bulk, 1, SA_LOOKUP, NULL)) != 0) { + mutex_exit(&hdl->sa_lock); + return (error); + } + *size = bulk.sa_size; + + mutex_exit(&hdl->sa_lock); + return (0); +} + +int +sa_bulk_lookup_locked(sa_handle_t *hdl, sa_bulk_attr_t *attrs, int count) +{ + ASSERT(hdl); + ASSERT(MUTEX_HELD(&hdl->sa_lock)); + return (sa_lookup_impl(hdl, attrs, count)); +} + +int +sa_bulk_lookup(sa_handle_t *hdl, sa_bulk_attr_t *attrs, int count) +{ + int error; + + ASSERT(hdl); + mutex_enter(&hdl->sa_lock); + error = sa_bulk_lookup_locked(hdl, attrs, count); + mutex_exit(&hdl->sa_lock); + return (error); +} + +int +sa_bulk_update(sa_handle_t *hdl, sa_bulk_attr_t *attrs, int count, dmu_tx_t *tx) +{ + int error; + + ASSERT(hdl); + mutex_enter(&hdl->sa_lock); + error = sa_bulk_update_impl(hdl, attrs, count, tx); + mutex_exit(&hdl->sa_lock); + return (error); +} + +int +sa_remove(sa_handle_t *hdl, sa_attr_type_t attr, dmu_tx_t *tx) +{ + int error; + + mutex_enter(&hdl->sa_lock); + error = sa_modify_attrs(hdl, attr, SA_REMOVE, NULL, + NULL, 0, tx); + mutex_exit(&hdl->sa_lock); + return (error); +} + +void +sa_object_info(sa_handle_t *hdl, dmu_object_info_t *doi) +{ + dmu_object_info_from_db((dmu_buf_t *)hdl->sa_bonus, doi); +} + +void +sa_object_size(sa_handle_t *hdl, uint32_t *blksize, u_longlong_t *nblocks) +{ + dmu_object_size_from_db((dmu_buf_t *)hdl->sa_bonus, + blksize, nblocks); +} + +void +sa_set_userp(sa_handle_t *hdl, void *ptr) +{ + hdl->sa_userp = ptr; +} + +dmu_buf_t * +sa_get_db(sa_handle_t *hdl) +{ + return ((dmu_buf_t *)hdl->sa_bonus); +} + +void * +sa_get_userdata(sa_handle_t *hdl) +{ + return (hdl->sa_userp); +} + +void +sa_register_update_callback_locked(objset_t *os, sa_update_cb_t *func) +{ + ASSERT(MUTEX_HELD(&os->os_sa->sa_lock)); + os->os_sa->sa_update_cb = func; +} + +void +sa_register_update_callback(objset_t *os, sa_update_cb_t *func) +{ + + mutex_enter(&os->os_sa->sa_lock); + sa_register_update_callback_locked(os, func); + mutex_exit(&os->os_sa->sa_lock); +} + +uint64_t +sa_handle_object(sa_handle_t *hdl) +{ + return (hdl->sa_bonus->db_object); +} + +boolean_t +sa_enabled(objset_t *os) +{ + return (os->os_sa == NULL); +} + +int +sa_set_sa_object(objset_t *os, uint64_t sa_object) +{ + sa_os_t *sa = os->os_sa; + + if (sa->sa_master_obj) + return (1); + + sa->sa_master_obj = sa_object; + + return (0); +} + +int +sa_hdrsize(void *arg) +{ + sa_hdr_phys_t *hdr = arg; + + return (SA_HDR_SIZE(hdr)); +} + +void +sa_handle_lock(sa_handle_t *hdl) +{ + ASSERT(hdl); + mutex_enter(&hdl->sa_lock); +} + +void +sa_handle_unlock(sa_handle_t *hdl) +{ + ASSERT(hdl); + mutex_exit(&hdl->sa_lock); +} + +#ifdef _KERNEL +EXPORT_SYMBOL(sa_handle_get); +EXPORT_SYMBOL(sa_handle_get_from_db); +EXPORT_SYMBOL(sa_handle_destroy); +EXPORT_SYMBOL(sa_buf_hold); +EXPORT_SYMBOL(sa_buf_rele); +EXPORT_SYMBOL(sa_spill_rele); +EXPORT_SYMBOL(sa_lookup); +EXPORT_SYMBOL(sa_update); +EXPORT_SYMBOL(sa_remove); +EXPORT_SYMBOL(sa_bulk_lookup); +EXPORT_SYMBOL(sa_bulk_lookup_locked); +EXPORT_SYMBOL(sa_bulk_update); +EXPORT_SYMBOL(sa_size); +EXPORT_SYMBOL(sa_update_from_cb); +EXPORT_SYMBOL(sa_object_info); +EXPORT_SYMBOL(sa_object_size); +EXPORT_SYMBOL(sa_get_userdata); +EXPORT_SYMBOL(sa_set_userp); +EXPORT_SYMBOL(sa_get_db); +EXPORT_SYMBOL(sa_handle_object); +EXPORT_SYMBOL(sa_register_update_callback); +EXPORT_SYMBOL(sa_setup); +EXPORT_SYMBOL(sa_replace_all_by_template); +EXPORT_SYMBOL(sa_replace_all_by_template_locked); +EXPORT_SYMBOL(sa_enabled); +EXPORT_SYMBOL(sa_cache_init); +EXPORT_SYMBOL(sa_cache_fini); +EXPORT_SYMBOL(sa_set_sa_object); +EXPORT_SYMBOL(sa_hdrsize); +EXPORT_SYMBOL(sa_handle_lock); +EXPORT_SYMBOL(sa_handle_unlock); +EXPORT_SYMBOL(sa_lookup_uio); +#endif /* _KERNEL */ diff --git a/zfs/module/zfs/sha256.c b/zfs/module/zfs/sha256.c new file mode 100644 index 000000000000..cf9dd8fcba1a --- /dev/null +++ b/zfs/module/zfs/sha256.c @@ -0,0 +1,127 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#include +#include +#include + +/* + * SHA-256 checksum, as specified in FIPS 180-3, available at: + * http://csrc.nist.gov/publications/PubsFIPS.html + * + * This is a very compact implementation of SHA-256. + * It is designed to be simple and portable, not to be fast. + */ + +/* + * The literal definitions of Ch() and Maj() according to FIPS 180-3 are: + * + * Ch(x, y, z) (x & y) ^ (~x & z) + * Maj(x, y, z) (x & y) ^ (x & z) ^ (y & z) + * + * We use equivalent logical reductions here that require one less op. + */ +#define Ch(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define Maj(x, y, z) (((x) & (y)) ^ ((z) & ((x) ^ (y)))) +#define Rot32(x, s) (((x) >> s) | ((x) << (32 - s))) +#define SIGMA0(x) (Rot32(x, 2) ^ Rot32(x, 13) ^ Rot32(x, 22)) +#define SIGMA1(x) (Rot32(x, 6) ^ Rot32(x, 11) ^ Rot32(x, 25)) +#define sigma0(x) (Rot32(x, 7) ^ Rot32(x, 18) ^ ((x) >> 3)) +#define sigma1(x) (Rot32(x, 17) ^ Rot32(x, 19) ^ ((x) >> 10)) + +static const uint32_t SHA256_K[64] = { + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +}; + +static void +SHA256Transform(uint32_t *H, const uint8_t *cp) +{ + uint32_t a, b, c, d, e, f, g, h, t, T1, T2, W[64]; + + for (t = 0; t < 16; t++, cp += 4) + W[t] = (cp[0] << 24) | (cp[1] << 16) | (cp[2] << 8) | cp[3]; + + for (t = 16; t < 64; t++) + W[t] = sigma1(W[t - 2]) + W[t - 7] + + sigma0(W[t - 15]) + W[t - 16]; + + a = H[0]; b = H[1]; c = H[2]; d = H[3]; + e = H[4]; f = H[5]; g = H[6]; h = H[7]; + + for (t = 0; t < 64; t++) { + T1 = h + SIGMA1(e) + Ch(e, f, g) + SHA256_K[t] + W[t]; + T2 = SIGMA0(a) + Maj(a, b, c); + h = g; g = f; f = e; e = d + T1; + d = c; c = b; b = a; a = T1 + T2; + } + + H[0] += a; H[1] += b; H[2] += c; H[3] += d; + H[4] += e; H[5] += f; H[6] += g; H[7] += h; +} + +void +zio_checksum_SHA256(const void *buf, uint64_t size, zio_cksum_t *zcp) +{ + uint32_t H[8] = { 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, + 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 }; + uint8_t pad[128]; + int i, padsize; + + for (i = 0; i < (size & ~63ULL); i += 64) + SHA256Transform(H, (uint8_t *)buf + i); + + for (padsize = 0; i < size; i++) + pad[padsize++] = *((uint8_t *)buf + i); + + for (pad[padsize++] = 0x80; (padsize & 63) != 56; padsize++) + pad[padsize] = 0; + + for (i = 56; i >= 0; i -= 8) + pad[padsize++] = (size << 3) >> i; + + for (i = 0; i < padsize; i += 64) + SHA256Transform(H, pad + i); + + ZIO_SET_CHECKSUM(zcp, + (uint64_t)H[0] << 32 | H[1], + (uint64_t)H[2] << 32 | H[3], + (uint64_t)H[4] << 32 | H[5], + (uint64_t)H[6] << 32 | H[7]); +} diff --git a/zfs/module/zfs/spa.c b/zfs/module/zfs/spa.c new file mode 100644 index 000000000000..dde909eaec95 --- /dev/null +++ b/zfs/module/zfs/spa.c @@ -0,0 +1,6648 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2013, 2014, Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +/* + * SPA: Storage Pool Allocator + * + * This file contains all the routines used when modifying on-disk SPA state. + * This includes opening, importing, destroying, exporting a pool, and syncing a + * pool. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef _KERNEL +#include +#include +#include +#include +#include +#include +#endif /* _KERNEL */ + +#include "zfs_prop.h" +#include "zfs_comutil.h" + +typedef enum zti_modes { + ZTI_MODE_FIXED, /* value is # of threads (min 1) */ + ZTI_MODE_BATCH, /* cpu-intensive; value is ignored */ + ZTI_MODE_NULL, /* don't create a taskq */ + ZTI_NMODES +} zti_modes_t; + +#define ZTI_P(n, q) { ZTI_MODE_FIXED, (n), (q) } +#define ZTI_PCT(n) { ZTI_MODE_ONLINE_PERCENT, (n), 1 } +#define ZTI_BATCH { ZTI_MODE_BATCH, 0, 1 } +#define ZTI_NULL { ZTI_MODE_NULL, 0, 0 } + +#define ZTI_N(n) ZTI_P(n, 1) +#define ZTI_ONE ZTI_N(1) + +typedef struct zio_taskq_info { + zti_modes_t zti_mode; + uint_t zti_value; + uint_t zti_count; +} zio_taskq_info_t; + +static const char *const zio_taskq_types[ZIO_TASKQ_TYPES] = { + "iss", "iss_h", "int", "int_h" +}; + +/* + * This table defines the taskq settings for each ZFS I/O type. When + * initializing a pool, we use this table to create an appropriately sized + * taskq. Some operations are low volume and therefore have a small, static + * number of threads assigned to their taskqs using the ZTI_N(#) or ZTI_ONE + * macros. Other operations process a large amount of data; the ZTI_BATCH + * macro causes us to create a taskq oriented for throughput. Some operations + * are so high frequency and short-lived that the taskq itself can become a a + * point of lock contention. The ZTI_P(#, #) macro indicates that we need an + * additional degree of parallelism specified by the number of threads per- + * taskq and the number of taskqs; when dispatching an event in this case, the + * particular taskq is chosen at random. + * + * The different taskq priorities are to handle the different contexts (issue + * and interrupt) and then to reserve threads for ZIO_PRIORITY_NOW I/Os that + * need to be handled with minimum delay. + */ +const zio_taskq_info_t zio_taskqs[ZIO_TYPES][ZIO_TASKQ_TYPES] = { + /* ISSUE ISSUE_HIGH INTR INTR_HIGH */ + { ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL }, /* NULL */ + { ZTI_N(8), ZTI_NULL, ZTI_P(12, 8), ZTI_NULL }, /* READ */ + { ZTI_BATCH, ZTI_N(5), ZTI_P(12, 8), ZTI_N(5) }, /* WRITE */ + { ZTI_P(12, 8), ZTI_NULL, ZTI_ONE, ZTI_NULL }, /* FREE */ + { ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL }, /* CLAIM */ + { ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL }, /* IOCTL */ +}; + +static void spa_sync_version(void *arg, dmu_tx_t *tx); +static void spa_sync_props(void *arg, dmu_tx_t *tx); +static boolean_t spa_has_active_shared_spare(spa_t *spa); +static inline int spa_load_impl(spa_t *spa, uint64_t, nvlist_t *config, + spa_load_state_t state, spa_import_type_t type, boolean_t mosconfig, + char **ereport); +static void spa_vdev_resilver_done(spa_t *spa); + +uint_t zio_taskq_batch_pct = 75; /* 1 thread per cpu in pset */ +id_t zio_taskq_psrset_bind = PS_NONE; +boolean_t zio_taskq_sysdc = B_TRUE; /* use SDC scheduling class */ +uint_t zio_taskq_basedc = 80; /* base duty cycle */ + +boolean_t spa_create_process = B_TRUE; /* no process ==> no sysdc */ + +/* + * This (illegal) pool name is used when temporarily importing a spa_t in order + * to get the vdev stats associated with the imported devices. + */ +#define TRYIMPORT_NAME "$import" + +/* + * ========================================================================== + * SPA properties routines + * ========================================================================== + */ + +/* + * Add a (source=src, propname=propval) list to an nvlist. + */ +static void +spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, + uint64_t intval, zprop_source_t src) +{ + const char *propname = zpool_prop_to_name(prop); + nvlist_t *propval; + + VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0); + + if (strval != NULL) + VERIFY(nvlist_add_string(propval, ZPROP_VALUE, strval) == 0); + else + VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, intval) == 0); + + VERIFY(nvlist_add_nvlist(nvl, propname, propval) == 0); + nvlist_free(propval); +} + +/* + * Get property values from the spa configuration. + */ +static void +spa_prop_get_config(spa_t *spa, nvlist_t **nvp) +{ + vdev_t *rvd = spa->spa_root_vdev; + dsl_pool_t *pool = spa->spa_dsl_pool; + uint64_t size, alloc, cap, version; + zprop_source_t src = ZPROP_SRC_NONE; + spa_config_dirent_t *dp; + metaslab_class_t *mc = spa_normal_class(spa); + + ASSERT(MUTEX_HELD(&spa->spa_props_lock)); + + if (rvd != NULL) { + alloc = metaslab_class_get_alloc(spa_normal_class(spa)); + size = metaslab_class_get_space(spa_normal_class(spa)); + spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src); + spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src); + spa_prop_add_list(*nvp, ZPOOL_PROP_ALLOCATED, NULL, alloc, src); + spa_prop_add_list(*nvp, ZPOOL_PROP_FREE, NULL, + size - alloc, src); + + spa_prop_add_list(*nvp, ZPOOL_PROP_FRAGMENTATION, NULL, + metaslab_class_fragmentation(mc), src); + spa_prop_add_list(*nvp, ZPOOL_PROP_EXPANDSZ, NULL, + metaslab_class_expandable_space(mc), src); + spa_prop_add_list(*nvp, ZPOOL_PROP_READONLY, NULL, + (spa_mode(spa) == FREAD), src); + + cap = (size == 0) ? 0 : (alloc * 100 / size); + spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src); + + spa_prop_add_list(*nvp, ZPOOL_PROP_DEDUPRATIO, NULL, + ddt_get_pool_dedup_ratio(spa), src); + + spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, + rvd->vdev_state, src); + + version = spa_version(spa); + if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) + src = ZPROP_SRC_DEFAULT; + else + src = ZPROP_SRC_LOCAL; + spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src); + } + + if (pool != NULL) { + /* + * The $FREE directory was introduced in SPA_VERSION_DEADLISTS, + * when opening pools before this version freedir will be NULL. + */ + if (pool->dp_free_dir != NULL) { + spa_prop_add_list(*nvp, ZPOOL_PROP_FREEING, NULL, + dsl_dir_phys(pool->dp_free_dir)->dd_used_bytes, + src); + } else { + spa_prop_add_list(*nvp, ZPOOL_PROP_FREEING, + NULL, 0, src); + } + + if (pool->dp_leak_dir != NULL) { + spa_prop_add_list(*nvp, ZPOOL_PROP_LEAKED, NULL, + dsl_dir_phys(pool->dp_leak_dir)->dd_used_bytes, + src); + } else { + spa_prop_add_list(*nvp, ZPOOL_PROP_LEAKED, + NULL, 0, src); + } + } + + spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src); + + if (spa->spa_comment != NULL) { + spa_prop_add_list(*nvp, ZPOOL_PROP_COMMENT, spa->spa_comment, + 0, ZPROP_SRC_LOCAL); + } + + if (spa->spa_root != NULL) + spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root, + 0, ZPROP_SRC_LOCAL); + + if (spa_feature_is_enabled(spa, SPA_FEATURE_LARGE_BLOCKS)) { + spa_prop_add_list(*nvp, ZPOOL_PROP_MAXBLOCKSIZE, NULL, + MIN(zfs_max_recordsize, SPA_MAXBLOCKSIZE), ZPROP_SRC_NONE); + } else { + spa_prop_add_list(*nvp, ZPOOL_PROP_MAXBLOCKSIZE, NULL, + SPA_OLD_MAXBLOCKSIZE, ZPROP_SRC_NONE); + } + + if ((dp = list_head(&spa->spa_config_list)) != NULL) { + if (dp->scd_path == NULL) { + spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, + "none", 0, ZPROP_SRC_LOCAL); + } else if (strcmp(dp->scd_path, spa_config_path) != 0) { + spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, + dp->scd_path, 0, ZPROP_SRC_LOCAL); + } + } +} + +/* + * Get zpool property values. + */ +int +spa_prop_get(spa_t *spa, nvlist_t **nvp) +{ + objset_t *mos = spa->spa_meta_objset; + zap_cursor_t zc; + zap_attribute_t za; + int err; + + err = nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP); + if (err) + return (err); + + mutex_enter(&spa->spa_props_lock); + + /* + * Get properties from the spa config. + */ + spa_prop_get_config(spa, nvp); + + /* If no pool property object, no more prop to get. */ + if (mos == NULL || spa->spa_pool_props_object == 0) { + mutex_exit(&spa->spa_props_lock); + goto out; + } + + /* + * Get properties from the MOS pool property object. + */ + for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); + (err = zap_cursor_retrieve(&zc, &za)) == 0; + zap_cursor_advance(&zc)) { + uint64_t intval = 0; + char *strval = NULL; + zprop_source_t src = ZPROP_SRC_DEFAULT; + zpool_prop_t prop; + + if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) + continue; + + switch (za.za_integer_length) { + case 8: + /* integer property */ + if (za.za_first_integer != + zpool_prop_default_numeric(prop)) + src = ZPROP_SRC_LOCAL; + + if (prop == ZPOOL_PROP_BOOTFS) { + dsl_pool_t *dp; + dsl_dataset_t *ds = NULL; + + dp = spa_get_dsl(spa); + dsl_pool_config_enter(dp, FTAG); + if ((err = dsl_dataset_hold_obj(dp, + za.za_first_integer, FTAG, &ds))) { + dsl_pool_config_exit(dp, FTAG); + break; + } + + strval = kmem_alloc( + MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, + KM_SLEEP); + dsl_dataset_name(ds, strval); + dsl_dataset_rele(ds, FTAG); + dsl_pool_config_exit(dp, FTAG); + } else { + strval = NULL; + intval = za.za_first_integer; + } + + spa_prop_add_list(*nvp, prop, strval, intval, src); + + if (strval != NULL) + kmem_free(strval, + MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); + + break; + + case 1: + /* string property */ + strval = kmem_alloc(za.za_num_integers, KM_SLEEP); + err = zap_lookup(mos, spa->spa_pool_props_object, + za.za_name, 1, za.za_num_integers, strval); + if (err) { + kmem_free(strval, za.za_num_integers); + break; + } + spa_prop_add_list(*nvp, prop, strval, 0, src); + kmem_free(strval, za.za_num_integers); + break; + + default: + break; + } + } + zap_cursor_fini(&zc); + mutex_exit(&spa->spa_props_lock); +out: + if (err && err != ENOENT) { + nvlist_free(*nvp); + *nvp = NULL; + return (err); + } + + return (0); +} + +/* + * Validate the given pool properties nvlist and modify the list + * for the property values to be set. + */ +static int +spa_prop_validate(spa_t *spa, nvlist_t *props) +{ + nvpair_t *elem; + int error = 0, reset_bootfs = 0; + uint64_t objnum = 0; + boolean_t has_feature = B_FALSE; + + elem = NULL; + while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { + uint64_t intval; + char *strval, *slash, *check, *fname; + const char *propname = nvpair_name(elem); + zpool_prop_t prop = zpool_name_to_prop(propname); + + switch ((int)prop) { + case ZPROP_INVAL: + if (!zpool_prop_feature(propname)) { + error = SET_ERROR(EINVAL); + break; + } + + /* + * Sanitize the input. + */ + if (nvpair_type(elem) != DATA_TYPE_UINT64) { + error = SET_ERROR(EINVAL); + break; + } + + if (nvpair_value_uint64(elem, &intval) != 0) { + error = SET_ERROR(EINVAL); + break; + } + + if (intval != 0) { + error = SET_ERROR(EINVAL); + break; + } + + fname = strchr(propname, '@') + 1; + if (zfeature_lookup_name(fname, NULL) != 0) { + error = SET_ERROR(EINVAL); + break; + } + + has_feature = B_TRUE; + break; + + case ZPOOL_PROP_VERSION: + error = nvpair_value_uint64(elem, &intval); + if (!error && + (intval < spa_version(spa) || + intval > SPA_VERSION_BEFORE_FEATURES || + has_feature)) + error = SET_ERROR(EINVAL); + break; + + case ZPOOL_PROP_DELEGATION: + case ZPOOL_PROP_AUTOREPLACE: + case ZPOOL_PROP_LISTSNAPS: + case ZPOOL_PROP_AUTOEXPAND: + error = nvpair_value_uint64(elem, &intval); + if (!error && intval > 1) + error = SET_ERROR(EINVAL); + break; + + case ZPOOL_PROP_BOOTFS: + /* + * If the pool version is less than SPA_VERSION_BOOTFS, + * or the pool is still being created (version == 0), + * the bootfs property cannot be set. + */ + if (spa_version(spa) < SPA_VERSION_BOOTFS) { + error = SET_ERROR(ENOTSUP); + break; + } + + /* + * Make sure the vdev config is bootable + */ + if (!vdev_is_bootable(spa->spa_root_vdev)) { + error = SET_ERROR(ENOTSUP); + break; + } + + reset_bootfs = 1; + + error = nvpair_value_string(elem, &strval); + + if (!error) { + objset_t *os; + uint64_t propval; + + if (strval == NULL || strval[0] == '\0') { + objnum = zpool_prop_default_numeric( + ZPOOL_PROP_BOOTFS); + break; + } + + error = dmu_objset_hold(strval, FTAG, &os); + if (error) + break; + + /* + * Must be ZPL, and its property settings + * must be supported by GRUB (compression + * is not gzip, and large blocks are not used). + */ + + if (dmu_objset_type(os) != DMU_OST_ZFS) { + error = SET_ERROR(ENOTSUP); + } else if ((error = + dsl_prop_get_int_ds(dmu_objset_ds(os), + zfs_prop_to_name(ZFS_PROP_COMPRESSION), + &propval)) == 0 && + !BOOTFS_COMPRESS_VALID(propval)) { + error = SET_ERROR(ENOTSUP); + } else if ((error = + dsl_prop_get_int_ds(dmu_objset_ds(os), + zfs_prop_to_name(ZFS_PROP_RECORDSIZE), + &propval)) == 0 && + propval > SPA_OLD_MAXBLOCKSIZE) { + error = SET_ERROR(ENOTSUP); + } else { + objnum = dmu_objset_id(os); + } + dmu_objset_rele(os, FTAG); + } + break; + + case ZPOOL_PROP_FAILUREMODE: + error = nvpair_value_uint64(elem, &intval); + if (!error && (intval < ZIO_FAILURE_MODE_WAIT || + intval > ZIO_FAILURE_MODE_PANIC)) + error = SET_ERROR(EINVAL); + + /* + * This is a special case which only occurs when + * the pool has completely failed. This allows + * the user to change the in-core failmode property + * without syncing it out to disk (I/Os might + * currently be blocked). We do this by returning + * EIO to the caller (spa_prop_set) to trick it + * into thinking we encountered a property validation + * error. + */ + if (!error && spa_suspended(spa)) { + spa->spa_failmode = intval; + error = SET_ERROR(EIO); + } + break; + + case ZPOOL_PROP_CACHEFILE: + if ((error = nvpair_value_string(elem, &strval)) != 0) + break; + + if (strval[0] == '\0') + break; + + if (strcmp(strval, "none") == 0) + break; + + if (strval[0] != '/') { + error = SET_ERROR(EINVAL); + break; + } + + slash = strrchr(strval, '/'); + ASSERT(slash != NULL); + + if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || + strcmp(slash, "/..") == 0) + error = SET_ERROR(EINVAL); + break; + + case ZPOOL_PROP_COMMENT: + if ((error = nvpair_value_string(elem, &strval)) != 0) + break; + for (check = strval; *check != '\0'; check++) { + if (!isprint(*check)) { + error = SET_ERROR(EINVAL); + break; + } + check++; + } + if (strlen(strval) > ZPROP_MAX_COMMENT) + error = SET_ERROR(E2BIG); + break; + + case ZPOOL_PROP_DEDUPDITTO: + if (spa_version(spa) < SPA_VERSION_DEDUP) + error = SET_ERROR(ENOTSUP); + else + error = nvpair_value_uint64(elem, &intval); + if (error == 0 && + intval != 0 && intval < ZIO_DEDUPDITTO_MIN) + error = SET_ERROR(EINVAL); + break; + + default: + break; + } + + if (error) + break; + } + + if (!error && reset_bootfs) { + error = nvlist_remove(props, + zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); + + if (!error) { + error = nvlist_add_uint64(props, + zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); + } + } + + return (error); +} + +void +spa_configfile_set(spa_t *spa, nvlist_t *nvp, boolean_t need_sync) +{ + char *cachefile; + spa_config_dirent_t *dp; + + if (nvlist_lookup_string(nvp, zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), + &cachefile) != 0) + return; + + dp = kmem_alloc(sizeof (spa_config_dirent_t), + KM_SLEEP); + + if (cachefile[0] == '\0') + dp->scd_path = spa_strdup(spa_config_path); + else if (strcmp(cachefile, "none") == 0) + dp->scd_path = NULL; + else + dp->scd_path = spa_strdup(cachefile); + + list_insert_head(&spa->spa_config_list, dp); + if (need_sync) + spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); +} + +int +spa_prop_set(spa_t *spa, nvlist_t *nvp) +{ + int error; + nvpair_t *elem = NULL; + boolean_t need_sync = B_FALSE; + + if ((error = spa_prop_validate(spa, nvp)) != 0) + return (error); + + while ((elem = nvlist_next_nvpair(nvp, elem)) != NULL) { + zpool_prop_t prop = zpool_name_to_prop(nvpair_name(elem)); + + if (prop == ZPOOL_PROP_CACHEFILE || + prop == ZPOOL_PROP_ALTROOT || + prop == ZPOOL_PROP_READONLY) + continue; + + if (prop == ZPOOL_PROP_VERSION || prop == ZPROP_INVAL) { + uint64_t ver; + + if (prop == ZPOOL_PROP_VERSION) { + VERIFY(nvpair_value_uint64(elem, &ver) == 0); + } else { + ASSERT(zpool_prop_feature(nvpair_name(elem))); + ver = SPA_VERSION_FEATURES; + need_sync = B_TRUE; + } + + /* Save time if the version is already set. */ + if (ver == spa_version(spa)) + continue; + + /* + * In addition to the pool directory object, we might + * create the pool properties object, the features for + * read object, the features for write object, or the + * feature descriptions object. + */ + error = dsl_sync_task(spa->spa_name, NULL, + spa_sync_version, &ver, + 6, ZFS_SPACE_CHECK_RESERVED); + if (error) + return (error); + continue; + } + + need_sync = B_TRUE; + break; + } + + if (need_sync) { + return (dsl_sync_task(spa->spa_name, NULL, spa_sync_props, + nvp, 6, ZFS_SPACE_CHECK_RESERVED)); + } + + return (0); +} + +/* + * If the bootfs property value is dsobj, clear it. + */ +void +spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) +{ + if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { + VERIFY(zap_remove(spa->spa_meta_objset, + spa->spa_pool_props_object, + zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); + spa->spa_bootfs = 0; + } +} + +/*ARGSUSED*/ +static int +spa_change_guid_check(void *arg, dmu_tx_t *tx) +{ + spa_t *spa = dmu_tx_pool(tx)->dp_spa; + vdev_t *rvd = spa->spa_root_vdev; + uint64_t vdev_state; + ASSERTV(uint64_t *newguid = arg); + + spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); + vdev_state = rvd->vdev_state; + spa_config_exit(spa, SCL_STATE, FTAG); + + if (vdev_state != VDEV_STATE_HEALTHY) + return (SET_ERROR(ENXIO)); + + ASSERT3U(spa_guid(spa), !=, *newguid); + + return (0); +} + +static void +spa_change_guid_sync(void *arg, dmu_tx_t *tx) +{ + uint64_t *newguid = arg; + spa_t *spa = dmu_tx_pool(tx)->dp_spa; + uint64_t oldguid; + vdev_t *rvd = spa->spa_root_vdev; + + oldguid = spa_guid(spa); + + spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); + rvd->vdev_guid = *newguid; + rvd->vdev_guid_sum += (*newguid - oldguid); + vdev_config_dirty(rvd); + spa_config_exit(spa, SCL_STATE, FTAG); + + spa_history_log_internal(spa, "guid change", tx, "old=%llu new=%llu", + oldguid, *newguid); +} + +/* + * Change the GUID for the pool. This is done so that we can later + * re-import a pool built from a clone of our own vdevs. We will modify + * the root vdev's guid, our own pool guid, and then mark all of our + * vdevs dirty. Note that we must make sure that all our vdevs are + * online when we do this, or else any vdevs that weren't present + * would be orphaned from our pool. We are also going to issue a + * sysevent to update any watchers. + */ +int +spa_change_guid(spa_t *spa) +{ + int error; + uint64_t guid; + + mutex_enter(&spa->spa_vdev_top_lock); + mutex_enter(&spa_namespace_lock); + guid = spa_generate_guid(NULL); + + error = dsl_sync_task(spa->spa_name, spa_change_guid_check, + spa_change_guid_sync, &guid, 5, ZFS_SPACE_CHECK_RESERVED); + + if (error == 0) { + spa_config_sync(spa, B_FALSE, B_TRUE); + spa_event_notify(spa, NULL, FM_EREPORT_ZFS_POOL_REGUID); + } + + mutex_exit(&spa_namespace_lock); + mutex_exit(&spa->spa_vdev_top_lock); + + return (error); +} + +/* + * ========================================================================== + * SPA state manipulation (open/create/destroy/import/export) + * ========================================================================== + */ + +static int +spa_error_entry_compare(const void *a, const void *b) +{ + spa_error_entry_t *sa = (spa_error_entry_t *)a; + spa_error_entry_t *sb = (spa_error_entry_t *)b; + int ret; + + ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, + sizeof (zbookmark_phys_t)); + + if (ret < 0) + return (-1); + else if (ret > 0) + return (1); + else + return (0); +} + +/* + * Utility function which retrieves copies of the current logs and + * re-initializes them in the process. + */ +void +spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) +{ + ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); + + bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); + bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); + + avl_create(&spa->spa_errlist_scrub, + spa_error_entry_compare, sizeof (spa_error_entry_t), + offsetof(spa_error_entry_t, se_avl)); + avl_create(&spa->spa_errlist_last, + spa_error_entry_compare, sizeof (spa_error_entry_t), + offsetof(spa_error_entry_t, se_avl)); +} + +static void +spa_taskqs_init(spa_t *spa, zio_type_t t, zio_taskq_type_t q) +{ + const zio_taskq_info_t *ztip = &zio_taskqs[t][q]; + enum zti_modes mode = ztip->zti_mode; + uint_t value = ztip->zti_value; + uint_t count = ztip->zti_count; + spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q]; + char name[32]; + uint_t i, flags = 0; + boolean_t batch = B_FALSE; + + if (mode == ZTI_MODE_NULL) { + tqs->stqs_count = 0; + tqs->stqs_taskq = NULL; + return; + } + + ASSERT3U(count, >, 0); + + tqs->stqs_count = count; + tqs->stqs_taskq = kmem_alloc(count * sizeof (taskq_t *), KM_SLEEP); + + switch (mode) { + case ZTI_MODE_FIXED: + ASSERT3U(value, >=, 1); + value = MAX(value, 1); + flags |= TASKQ_DYNAMIC; + break; + + case ZTI_MODE_BATCH: + batch = B_TRUE; + flags |= TASKQ_THREADS_CPU_PCT; + value = MIN(zio_taskq_batch_pct, 100); + break; + + default: + panic("unrecognized mode for %s_%s taskq (%u:%u) in " + "spa_activate()", + zio_type_name[t], zio_taskq_types[q], mode, value); + break; + } + + for (i = 0; i < count; i++) { + taskq_t *tq; + + if (count > 1) { + (void) snprintf(name, sizeof (name), "%s_%s_%u", + zio_type_name[t], zio_taskq_types[q], i); + } else { + (void) snprintf(name, sizeof (name), "%s_%s", + zio_type_name[t], zio_taskq_types[q]); + } + + if (zio_taskq_sysdc && spa->spa_proc != &p0) { + if (batch) + flags |= TASKQ_DC_BATCH; + + tq = taskq_create_sysdc(name, value, 50, INT_MAX, + spa->spa_proc, zio_taskq_basedc, flags); + } else { + pri_t pri = maxclsyspri; + /* + * The write issue taskq can be extremely CPU + * intensive. Run it at slightly less important + * priority than the other taskqs. Under Linux this + * means incrementing the priority value on platforms + * like illumos it should be decremented. + */ + if (t == ZIO_TYPE_WRITE && q == ZIO_TASKQ_ISSUE) + pri++; + + tq = taskq_create_proc(name, value, pri, 50, + INT_MAX, spa->spa_proc, flags); + } + + tqs->stqs_taskq[i] = tq; + } +} + +static void +spa_taskqs_fini(spa_t *spa, zio_type_t t, zio_taskq_type_t q) +{ + spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q]; + uint_t i; + + if (tqs->stqs_taskq == NULL) { + ASSERT3U(tqs->stqs_count, ==, 0); + return; + } + + for (i = 0; i < tqs->stqs_count; i++) { + ASSERT3P(tqs->stqs_taskq[i], !=, NULL); + taskq_destroy(tqs->stqs_taskq[i]); + } + + kmem_free(tqs->stqs_taskq, tqs->stqs_count * sizeof (taskq_t *)); + tqs->stqs_taskq = NULL; +} + +/* + * Dispatch a task to the appropriate taskq for the ZFS I/O type and priority. + * Note that a type may have multiple discrete taskqs to avoid lock contention + * on the taskq itself. In that case we choose which taskq at random by using + * the low bits of gethrtime(). + */ +void +spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q, + task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent) +{ + spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q]; + taskq_t *tq; + + ASSERT3P(tqs->stqs_taskq, !=, NULL); + ASSERT3U(tqs->stqs_count, !=, 0); + + if (tqs->stqs_count == 1) { + tq = tqs->stqs_taskq[0]; + } else { + tq = tqs->stqs_taskq[((uint64_t)gethrtime()) % tqs->stqs_count]; + } + + taskq_dispatch_ent(tq, func, arg, flags, ent); +} + +/* + * Same as spa_taskq_dispatch_ent() but block on the task until completion. + */ +void +spa_taskq_dispatch_sync(spa_t *spa, zio_type_t t, zio_taskq_type_t q, + task_func_t *func, void *arg, uint_t flags) +{ + spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q]; + taskq_t *tq; + taskqid_t id; + + ASSERT3P(tqs->stqs_taskq, !=, NULL); + ASSERT3U(tqs->stqs_count, !=, 0); + + if (tqs->stqs_count == 1) { + tq = tqs->stqs_taskq[0]; + } else { + tq = tqs->stqs_taskq[((uint64_t)gethrtime()) % tqs->stqs_count]; + } + + id = taskq_dispatch(tq, func, arg, flags); + if (id) + taskq_wait_id(tq, id); +} + +static void +spa_create_zio_taskqs(spa_t *spa) +{ + int t, q; + + for (t = 0; t < ZIO_TYPES; t++) { + for (q = 0; q < ZIO_TASKQ_TYPES; q++) { + spa_taskqs_init(spa, t, q); + } + } +} + +#if defined(_KERNEL) && defined(HAVE_SPA_THREAD) +static void +spa_thread(void *arg) +{ + callb_cpr_t cprinfo; + + spa_t *spa = arg; + user_t *pu = PTOU(curproc); + + CALLB_CPR_INIT(&cprinfo, &spa->spa_proc_lock, callb_generic_cpr, + spa->spa_name); + + ASSERT(curproc != &p0); + (void) snprintf(pu->u_psargs, sizeof (pu->u_psargs), + "zpool-%s", spa->spa_name); + (void) strlcpy(pu->u_comm, pu->u_psargs, sizeof (pu->u_comm)); + + /* bind this thread to the requested psrset */ + if (zio_taskq_psrset_bind != PS_NONE) { + pool_lock(); + mutex_enter(&cpu_lock); + mutex_enter(&pidlock); + mutex_enter(&curproc->p_lock); + + if (cpupart_bind_thread(curthread, zio_taskq_psrset_bind, + 0, NULL, NULL) == 0) { + curthread->t_bind_pset = zio_taskq_psrset_bind; + } else { + cmn_err(CE_WARN, + "Couldn't bind process for zfs pool \"%s\" to " + "pset %d\n", spa->spa_name, zio_taskq_psrset_bind); + } + + mutex_exit(&curproc->p_lock); + mutex_exit(&pidlock); + mutex_exit(&cpu_lock); + pool_unlock(); + } + + if (zio_taskq_sysdc) { + sysdc_thread_enter(curthread, 100, 0); + } + + spa->spa_proc = curproc; + spa->spa_did = curthread->t_did; + + spa_create_zio_taskqs(spa); + + mutex_enter(&spa->spa_proc_lock); + ASSERT(spa->spa_proc_state == SPA_PROC_CREATED); + + spa->spa_proc_state = SPA_PROC_ACTIVE; + cv_broadcast(&spa->spa_proc_cv); + + CALLB_CPR_SAFE_BEGIN(&cprinfo); + while (spa->spa_proc_state == SPA_PROC_ACTIVE) + cv_wait(&spa->spa_proc_cv, &spa->spa_proc_lock); + CALLB_CPR_SAFE_END(&cprinfo, &spa->spa_proc_lock); + + ASSERT(spa->spa_proc_state == SPA_PROC_DEACTIVATE); + spa->spa_proc_state = SPA_PROC_GONE; + spa->spa_proc = &p0; + cv_broadcast(&spa->spa_proc_cv); + CALLB_CPR_EXIT(&cprinfo); /* drops spa_proc_lock */ + + mutex_enter(&curproc->p_lock); + lwp_exit(); +} +#endif + +/* + * Activate an uninitialized pool. + */ +static void +spa_activate(spa_t *spa, int mode) +{ + ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); + + spa->spa_state = POOL_STATE_ACTIVE; + spa->spa_mode = mode; + + spa->spa_normal_class = metaslab_class_create(spa, zfs_metaslab_ops); + spa->spa_log_class = metaslab_class_create(spa, zfs_metaslab_ops); + + /* Try to create a covering process */ + mutex_enter(&spa->spa_proc_lock); + ASSERT(spa->spa_proc_state == SPA_PROC_NONE); + ASSERT(spa->spa_proc == &p0); + spa->spa_did = 0; + +#ifdef HAVE_SPA_THREAD + /* Only create a process if we're going to be around a while. */ + if (spa_create_process && strcmp(spa->spa_name, TRYIMPORT_NAME) != 0) { + if (newproc(spa_thread, (caddr_t)spa, syscid, maxclsyspri, + NULL, 0) == 0) { + spa->spa_proc_state = SPA_PROC_CREATED; + while (spa->spa_proc_state == SPA_PROC_CREATED) { + cv_wait(&spa->spa_proc_cv, + &spa->spa_proc_lock); + } + ASSERT(spa->spa_proc_state == SPA_PROC_ACTIVE); + ASSERT(spa->spa_proc != &p0); + ASSERT(spa->spa_did != 0); + } else { +#ifdef _KERNEL + cmn_err(CE_WARN, + "Couldn't create process for zfs pool \"%s\"\n", + spa->spa_name); +#endif + } + } +#endif /* HAVE_SPA_THREAD */ + mutex_exit(&spa->spa_proc_lock); + + /* If we didn't create a process, we need to create our taskqs. */ + if (spa->spa_proc == &p0) { + spa_create_zio_taskqs(spa); + } + + list_create(&spa->spa_config_dirty_list, sizeof (vdev_t), + offsetof(vdev_t, vdev_config_dirty_node)); + list_create(&spa->spa_evicting_os_list, sizeof (objset_t), + offsetof(objset_t, os_evicting_node)); + list_create(&spa->spa_state_dirty_list, sizeof (vdev_t), + offsetof(vdev_t, vdev_state_dirty_node)); + + txg_list_create(&spa->spa_vdev_txg_list, + offsetof(struct vdev, vdev_txg_node)); + + avl_create(&spa->spa_errlist_scrub, + spa_error_entry_compare, sizeof (spa_error_entry_t), + offsetof(spa_error_entry_t, se_avl)); + avl_create(&spa->spa_errlist_last, + spa_error_entry_compare, sizeof (spa_error_entry_t), + offsetof(spa_error_entry_t, se_avl)); + + /* + * This taskq is used to perform zvol-minor-related tasks + * asynchronously. This has several advantages, including easy + * resolution of various deadlocks (zfsonlinux bug #3681). + * + * The taskq must be single threaded to ensure tasks are always + * processed in the order in which they were dispatched. + * + * A taskq per pool allows one to keep the pools independent. + * This way if one pool is suspended, it will not impact another. + * + * The preferred location to dispatch a zvol minor task is a sync + * task. In this context, there is easy access to the spa_t and minimal + * error handling is required because the sync task must succeed. + */ + spa->spa_zvol_taskq = taskq_create("z_zvol", 1, defclsyspri, + 1, INT_MAX, 0); +} + +/* + * Opposite of spa_activate(). + */ +static void +spa_deactivate(spa_t *spa) +{ + int t, q; + + ASSERT(spa->spa_sync_on == B_FALSE); + ASSERT(spa->spa_dsl_pool == NULL); + ASSERT(spa->spa_root_vdev == NULL); + ASSERT(spa->spa_async_zio_root == NULL); + ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); + + spa_evicting_os_wait(spa); + + if (spa->spa_zvol_taskq) { + taskq_destroy(spa->spa_zvol_taskq); + spa->spa_zvol_taskq = NULL; + } + + txg_list_destroy(&spa->spa_vdev_txg_list); + + list_destroy(&spa->spa_config_dirty_list); + list_destroy(&spa->spa_evicting_os_list); + list_destroy(&spa->spa_state_dirty_list); + + taskq_cancel_id(system_taskq, spa->spa_deadman_tqid); + + for (t = 0; t < ZIO_TYPES; t++) { + for (q = 0; q < ZIO_TASKQ_TYPES; q++) { + spa_taskqs_fini(spa, t, q); + } + } + + metaslab_class_destroy(spa->spa_normal_class); + spa->spa_normal_class = NULL; + + metaslab_class_destroy(spa->spa_log_class); + spa->spa_log_class = NULL; + + /* + * If this was part of an import or the open otherwise failed, we may + * still have errors left in the queues. Empty them just in case. + */ + spa_errlog_drain(spa); + + avl_destroy(&spa->spa_errlist_scrub); + avl_destroy(&spa->spa_errlist_last); + + spa->spa_state = POOL_STATE_UNINITIALIZED; + + mutex_enter(&spa->spa_proc_lock); + if (spa->spa_proc_state != SPA_PROC_NONE) { + ASSERT(spa->spa_proc_state == SPA_PROC_ACTIVE); + spa->spa_proc_state = SPA_PROC_DEACTIVATE; + cv_broadcast(&spa->spa_proc_cv); + while (spa->spa_proc_state == SPA_PROC_DEACTIVATE) { + ASSERT(spa->spa_proc != &p0); + cv_wait(&spa->spa_proc_cv, &spa->spa_proc_lock); + } + ASSERT(spa->spa_proc_state == SPA_PROC_GONE); + spa->spa_proc_state = SPA_PROC_NONE; + } + ASSERT(spa->spa_proc == &p0); + mutex_exit(&spa->spa_proc_lock); + + /* + * We want to make sure spa_thread() has actually exited the ZFS + * module, so that the module can't be unloaded out from underneath + * it. + */ + if (spa->spa_did != 0) { + thread_join(spa->spa_did); + spa->spa_did = 0; + } +} + +/* + * Verify a pool configuration, and construct the vdev tree appropriately. This + * will create all the necessary vdevs in the appropriate layout, with each vdev + * in the CLOSED state. This will prep the pool before open/creation/import. + * All vdev validation is done by the vdev_alloc() routine. + */ +static int +spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, + uint_t id, int atype) +{ + nvlist_t **child; + uint_t children; + int error; + int c; + + if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) + return (error); + + if ((*vdp)->vdev_ops->vdev_op_leaf) + return (0); + + error = nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, + &child, &children); + + if (error == ENOENT) + return (0); + + if (error) { + vdev_free(*vdp); + *vdp = NULL; + return (SET_ERROR(EINVAL)); + } + + for (c = 0; c < children; c++) { + vdev_t *vd; + if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, + atype)) != 0) { + vdev_free(*vdp); + *vdp = NULL; + return (error); + } + } + + ASSERT(*vdp != NULL); + + return (0); +} + +/* + * Opposite of spa_load(). + */ +static void +spa_unload(spa_t *spa) +{ + int i; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + /* + * Stop async tasks. + */ + spa_async_suspend(spa); + + /* + * Stop syncing. + */ + if (spa->spa_sync_on) { + txg_sync_stop(spa->spa_dsl_pool); + spa->spa_sync_on = B_FALSE; + } + + /* + * Wait for any outstanding async I/O to complete. + */ + if (spa->spa_async_zio_root != NULL) { + for (i = 0; i < max_ncpus; i++) + (void) zio_wait(spa->spa_async_zio_root[i]); + kmem_free(spa->spa_async_zio_root, max_ncpus * sizeof (void *)); + spa->spa_async_zio_root = NULL; + } + + bpobj_close(&spa->spa_deferred_bpobj); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + + /* + * Close all vdevs. + */ + if (spa->spa_root_vdev) + vdev_free(spa->spa_root_vdev); + ASSERT(spa->spa_root_vdev == NULL); + + /* + * Close the dsl pool. + */ + if (spa->spa_dsl_pool) { + dsl_pool_close(spa->spa_dsl_pool); + spa->spa_dsl_pool = NULL; + spa->spa_meta_objset = NULL; + } + + ddt_unload(spa); + + + /* + * Drop and purge level 2 cache + */ + spa_l2cache_drop(spa); + + for (i = 0; i < spa->spa_spares.sav_count; i++) + vdev_free(spa->spa_spares.sav_vdevs[i]); + if (spa->spa_spares.sav_vdevs) { + kmem_free(spa->spa_spares.sav_vdevs, + spa->spa_spares.sav_count * sizeof (void *)); + spa->spa_spares.sav_vdevs = NULL; + } + if (spa->spa_spares.sav_config) { + nvlist_free(spa->spa_spares.sav_config); + spa->spa_spares.sav_config = NULL; + } + spa->spa_spares.sav_count = 0; + + for (i = 0; i < spa->spa_l2cache.sav_count; i++) { + vdev_clear_stats(spa->spa_l2cache.sav_vdevs[i]); + vdev_free(spa->spa_l2cache.sav_vdevs[i]); + } + if (spa->spa_l2cache.sav_vdevs) { + kmem_free(spa->spa_l2cache.sav_vdevs, + spa->spa_l2cache.sav_count * sizeof (void *)); + spa->spa_l2cache.sav_vdevs = NULL; + } + if (spa->spa_l2cache.sav_config) { + nvlist_free(spa->spa_l2cache.sav_config); + spa->spa_l2cache.sav_config = NULL; + } + spa->spa_l2cache.sav_count = 0; + + spa->spa_async_suspended = 0; + + if (spa->spa_comment != NULL) { + spa_strfree(spa->spa_comment); + spa->spa_comment = NULL; + } + + spa_config_exit(spa, SCL_ALL, FTAG); +} + +/* + * Load (or re-load) the current list of vdevs describing the active spares for + * this pool. When this is called, we have some form of basic information in + * 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and + * then re-generate a more complete list including status information. + */ +static void +spa_load_spares(spa_t *spa) +{ + nvlist_t **spares; + uint_t nspares; + int i; + vdev_t *vd, *tvd; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + /* + * First, close and free any existing spare vdevs. + */ + for (i = 0; i < spa->spa_spares.sav_count; i++) { + vd = spa->spa_spares.sav_vdevs[i]; + + /* Undo the call to spa_activate() below */ + if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, + B_FALSE)) != NULL && tvd->vdev_isspare) + spa_spare_remove(tvd); + vdev_close(vd); + vdev_free(vd); + } + + if (spa->spa_spares.sav_vdevs) + kmem_free(spa->spa_spares.sav_vdevs, + spa->spa_spares.sav_count * sizeof (void *)); + + if (spa->spa_spares.sav_config == NULL) + nspares = 0; + else + VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); + + spa->spa_spares.sav_count = (int)nspares; + spa->spa_spares.sav_vdevs = NULL; + + if (nspares == 0) + return; + + /* + * Construct the array of vdevs, opening them to get status in the + * process. For each spare, there is potentially two different vdev_t + * structures associated with it: one in the list of spares (used only + * for basic validation purposes) and one in the active vdev + * configuration (if it's spared in). During this phase we open and + * validate each vdev on the spare list. If the vdev also exists in the + * active configuration, then we also mark this vdev as an active spare. + */ + spa->spa_spares.sav_vdevs = kmem_zalloc(nspares * sizeof (void *), + KM_SLEEP); + for (i = 0; i < spa->spa_spares.sav_count; i++) { + VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, + VDEV_ALLOC_SPARE) == 0); + ASSERT(vd != NULL); + + spa->spa_spares.sav_vdevs[i] = vd; + + if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, + B_FALSE)) != NULL) { + if (!tvd->vdev_isspare) + spa_spare_add(tvd); + + /* + * We only mark the spare active if we were successfully + * able to load the vdev. Otherwise, importing a pool + * with a bad active spare would result in strange + * behavior, because multiple pool would think the spare + * is actively in use. + * + * There is a vulnerability here to an equally bizarre + * circumstance, where a dead active spare is later + * brought back to life (onlined or otherwise). Given + * the rarity of this scenario, and the extra complexity + * it adds, we ignore the possibility. + */ + if (!vdev_is_dead(tvd)) + spa_spare_activate(tvd); + } + + vd->vdev_top = vd; + vd->vdev_aux = &spa->spa_spares; + + if (vdev_open(vd) != 0) + continue; + + if (vdev_validate_aux(vd) == 0) + spa_spare_add(vd); + } + + /* + * Recompute the stashed list of spares, with status information + * this time. + */ + VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, + DATA_TYPE_NVLIST_ARRAY) == 0); + + spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), + KM_SLEEP); + for (i = 0; i < spa->spa_spares.sav_count; i++) + spares[i] = vdev_config_generate(spa, + spa->spa_spares.sav_vdevs[i], B_TRUE, VDEV_CONFIG_SPARE); + VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); + for (i = 0; i < spa->spa_spares.sav_count; i++) + nvlist_free(spares[i]); + kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); +} + +/* + * Load (or re-load) the current list of vdevs describing the active l2cache for + * this pool. When this is called, we have some form of basic information in + * 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and + * then re-generate a more complete list including status information. + * Devices which are already active have their details maintained, and are + * not re-opened. + */ +static void +spa_load_l2cache(spa_t *spa) +{ + nvlist_t **l2cache; + uint_t nl2cache; + int i, j, oldnvdevs; + uint64_t guid; + vdev_t *vd, **oldvdevs, **newvdevs; + spa_aux_vdev_t *sav = &spa->spa_l2cache; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + if (sav->sav_config != NULL) { + VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, + ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); + newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); + } else { + nl2cache = 0; + newvdevs = NULL; + } + + oldvdevs = sav->sav_vdevs; + oldnvdevs = sav->sav_count; + sav->sav_vdevs = NULL; + sav->sav_count = 0; + + /* + * Process new nvlist of vdevs. + */ + for (i = 0; i < nl2cache; i++) { + VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, + &guid) == 0); + + newvdevs[i] = NULL; + for (j = 0; j < oldnvdevs; j++) { + vd = oldvdevs[j]; + if (vd != NULL && guid == vd->vdev_guid) { + /* + * Retain previous vdev for add/remove ops. + */ + newvdevs[i] = vd; + oldvdevs[j] = NULL; + break; + } + } + + if (newvdevs[i] == NULL) { + /* + * Create new vdev + */ + VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, + VDEV_ALLOC_L2CACHE) == 0); + ASSERT(vd != NULL); + newvdevs[i] = vd; + + /* + * Commit this vdev as an l2cache device, + * even if it fails to open. + */ + spa_l2cache_add(vd); + + vd->vdev_top = vd; + vd->vdev_aux = sav; + + spa_l2cache_activate(vd); + + if (vdev_open(vd) != 0) + continue; + + (void) vdev_validate_aux(vd); + + if (!vdev_is_dead(vd)) + l2arc_add_vdev(spa, vd); + } + } + + /* + * Purge vdevs that were dropped + */ + for (i = 0; i < oldnvdevs; i++) { + uint64_t pool; + + vd = oldvdevs[i]; + if (vd != NULL) { + ASSERT(vd->vdev_isl2cache); + + if (spa_l2cache_exists(vd->vdev_guid, &pool) && + pool != 0ULL && l2arc_vdev_present(vd)) + l2arc_remove_vdev(vd); + vdev_clear_stats(vd); + vdev_free(vd); + } + } + + if (oldvdevs) + kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); + + if (sav->sav_config == NULL) + goto out; + + sav->sav_vdevs = newvdevs; + sav->sav_count = (int)nl2cache; + + /* + * Recompute the stashed list of l2cache devices, with status + * information this time. + */ + VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, + DATA_TYPE_NVLIST_ARRAY) == 0); + + l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); + for (i = 0; i < sav->sav_count; i++) + l2cache[i] = vdev_config_generate(spa, + sav->sav_vdevs[i], B_TRUE, VDEV_CONFIG_L2CACHE); + VERIFY(nvlist_add_nvlist_array(sav->sav_config, + ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); +out: + for (i = 0; i < sav->sav_count; i++) + nvlist_free(l2cache[i]); + if (sav->sav_count) + kmem_free(l2cache, sav->sav_count * sizeof (void *)); +} + +static int +load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) +{ + dmu_buf_t *db; + char *packed = NULL; + size_t nvsize = 0; + int error; + *value = NULL; + + error = dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db); + if (error) + return (error); + + nvsize = *(uint64_t *)db->db_data; + dmu_buf_rele(db, FTAG); + + packed = vmem_alloc(nvsize, KM_SLEEP); + error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed, + DMU_READ_PREFETCH); + if (error == 0) + error = nvlist_unpack(packed, nvsize, value, 0); + vmem_free(packed, nvsize); + + return (error); +} + +/* + * Checks to see if the given vdev could not be opened, in which case we post a + * sysevent to notify the autoreplace code that the device has been removed. + */ +static void +spa_check_removed(vdev_t *vd) +{ + int c; + + for (c = 0; c < vd->vdev_children; c++) + spa_check_removed(vd->vdev_child[c]); + + if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd) && + !vd->vdev_ishole) { + zfs_ereport_post(FM_EREPORT_RESOURCE_AUTOREPLACE, + vd->vdev_spa, vd, NULL, 0, 0); + spa_event_notify(vd->vdev_spa, vd, FM_EREPORT_ZFS_DEVICE_CHECK); + } +} + +/* + * Validate the current config against the MOS config + */ +static boolean_t +spa_config_valid(spa_t *spa, nvlist_t *config) +{ + vdev_t *mrvd, *rvd = spa->spa_root_vdev; + nvlist_t *nv; + int c, i; + + VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nv) == 0); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + VERIFY(spa_config_parse(spa, &mrvd, nv, NULL, 0, VDEV_ALLOC_LOAD) == 0); + + ASSERT3U(rvd->vdev_children, ==, mrvd->vdev_children); + + /* + * If we're doing a normal import, then build up any additional + * diagnostic information about missing devices in this config. + * We'll pass this up to the user for further processing. + */ + if (!(spa->spa_import_flags & ZFS_IMPORT_MISSING_LOG)) { + nvlist_t **child, *nv; + uint64_t idx = 0; + + child = kmem_alloc(rvd->vdev_children * sizeof (nvlist_t **), + KM_SLEEP); + VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + vdev_t *mtvd = mrvd->vdev_child[c]; + + if (tvd->vdev_ops == &vdev_missing_ops && + mtvd->vdev_ops != &vdev_missing_ops && + mtvd->vdev_islog) + child[idx++] = vdev_config_generate(spa, mtvd, + B_FALSE, 0); + } + + if (idx) { + VERIFY(nvlist_add_nvlist_array(nv, + ZPOOL_CONFIG_CHILDREN, child, idx) == 0); + VERIFY(nvlist_add_nvlist(spa->spa_load_info, + ZPOOL_CONFIG_MISSING_DEVICES, nv) == 0); + + for (i = 0; i < idx; i++) + nvlist_free(child[i]); + } + nvlist_free(nv); + kmem_free(child, rvd->vdev_children * sizeof (char **)); + } + + /* + * Compare the root vdev tree with the information we have + * from the MOS config (mrvd). Check each top-level vdev + * with the corresponding MOS config top-level (mtvd). + */ + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + vdev_t *mtvd = mrvd->vdev_child[c]; + + /* + * Resolve any "missing" vdevs in the current configuration. + * If we find that the MOS config has more accurate information + * about the top-level vdev then use that vdev instead. + */ + if (tvd->vdev_ops == &vdev_missing_ops && + mtvd->vdev_ops != &vdev_missing_ops) { + + if (!(spa->spa_import_flags & ZFS_IMPORT_MISSING_LOG)) + continue; + + /* + * Device specific actions. + */ + if (mtvd->vdev_islog) { + spa_set_log_state(spa, SPA_LOG_CLEAR); + } else { + /* + * XXX - once we have 'readonly' pool + * support we should be able to handle + * missing data devices by transitioning + * the pool to readonly. + */ + continue; + } + + /* + * Swap the missing vdev with the data we were + * able to obtain from the MOS config. + */ + vdev_remove_child(rvd, tvd); + vdev_remove_child(mrvd, mtvd); + + vdev_add_child(rvd, mtvd); + vdev_add_child(mrvd, tvd); + + spa_config_exit(spa, SCL_ALL, FTAG); + vdev_load(mtvd); + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + + vdev_reopen(rvd); + } else if (mtvd->vdev_islog) { + /* + * Load the slog device's state from the MOS config + * since it's possible that the label does not + * contain the most up-to-date information. + */ + vdev_load_log_state(tvd, mtvd); + vdev_reopen(tvd); + } + } + vdev_free(mrvd); + spa_config_exit(spa, SCL_ALL, FTAG); + + /* + * Ensure we were able to validate the config. + */ + return (rvd->vdev_guid_sum == spa->spa_uberblock.ub_guid_sum); +} + +/* + * Check for missing log devices + */ +static boolean_t +spa_check_logs(spa_t *spa) +{ + boolean_t rv = B_FALSE; + dsl_pool_t *dp = spa_get_dsl(spa); + + switch (spa->spa_log_state) { + default: + break; + case SPA_LOG_MISSING: + /* need to recheck in case slog has been restored */ + case SPA_LOG_UNKNOWN: + rv = (dmu_objset_find_dp(dp, dp->dp_root_dir_obj, + zil_check_log_chain, NULL, DS_FIND_CHILDREN) != 0); + if (rv) + spa_set_log_state(spa, SPA_LOG_MISSING); + break; + } + return (rv); +} + +static boolean_t +spa_passivate_log(spa_t *spa) +{ + vdev_t *rvd = spa->spa_root_vdev; + boolean_t slog_found = B_FALSE; + int c; + + ASSERT(spa_config_held(spa, SCL_ALLOC, RW_WRITER)); + + if (!spa_has_slogs(spa)) + return (B_FALSE); + + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + metaslab_group_t *mg = tvd->vdev_mg; + + if (tvd->vdev_islog) { + metaslab_group_passivate(mg); + slog_found = B_TRUE; + } + } + + return (slog_found); +} + +static void +spa_activate_log(spa_t *spa) +{ + vdev_t *rvd = spa->spa_root_vdev; + int c; + + ASSERT(spa_config_held(spa, SCL_ALLOC, RW_WRITER)); + + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + metaslab_group_t *mg = tvd->vdev_mg; + + if (tvd->vdev_islog) + metaslab_group_activate(mg); + } +} + +int +spa_offline_log(spa_t *spa) +{ + int error; + + error = dmu_objset_find(spa_name(spa), zil_vdev_offline, + NULL, DS_FIND_CHILDREN); + if (error == 0) { + /* + * We successfully offlined the log device, sync out the + * current txg so that the "stubby" block can be removed + * by zil_sync(). + */ + txg_wait_synced(spa->spa_dsl_pool, 0); + } + return (error); +} + +static void +spa_aux_check_removed(spa_aux_vdev_t *sav) +{ + int i; + + for (i = 0; i < sav->sav_count; i++) + spa_check_removed(sav->sav_vdevs[i]); +} + +void +spa_claim_notify(zio_t *zio) +{ + spa_t *spa = zio->io_spa; + + if (zio->io_error) + return; + + mutex_enter(&spa->spa_props_lock); /* any mutex will do */ + if (spa->spa_claim_max_txg < zio->io_bp->blk_birth) + spa->spa_claim_max_txg = zio->io_bp->blk_birth; + mutex_exit(&spa->spa_props_lock); +} + +typedef struct spa_load_error { + uint64_t sle_meta_count; + uint64_t sle_data_count; +} spa_load_error_t; + +static void +spa_load_verify_done(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + spa_load_error_t *sle = zio->io_private; + dmu_object_type_t type = BP_GET_TYPE(bp); + int error = zio->io_error; + spa_t *spa = zio->io_spa; + + if (error) { + if ((BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)) && + type != DMU_OT_INTENT_LOG) + atomic_add_64(&sle->sle_meta_count, 1); + else + atomic_add_64(&sle->sle_data_count, 1); + } + zio_data_buf_free(zio->io_data, zio->io_size); + + mutex_enter(&spa->spa_scrub_lock); + spa->spa_scrub_inflight--; + cv_broadcast(&spa->spa_scrub_io_cv); + mutex_exit(&spa->spa_scrub_lock); +} + +/* + * Maximum number of concurrent scrub i/os to create while verifying + * a pool while importing it. + */ +int spa_load_verify_maxinflight = 10000; +int spa_load_verify_metadata = B_TRUE; +int spa_load_verify_data = B_TRUE; + +/*ARGSUSED*/ +static int +spa_load_verify_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, + const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) +{ + zio_t *rio; + size_t size; + void *data; + + if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) + return (0); + /* + * Note: normally this routine will not be called if + * spa_load_verify_metadata is not set. However, it may be useful + * to manually set the flag after the traversal has begun. + */ + if (!spa_load_verify_metadata) + return (0); + if (BP_GET_BUFC_TYPE(bp) == ARC_BUFC_DATA && !spa_load_verify_data) + return (0); + + rio = arg; + size = BP_GET_PSIZE(bp); + data = zio_data_buf_alloc(size); + + mutex_enter(&spa->spa_scrub_lock); + while (spa->spa_scrub_inflight >= spa_load_verify_maxinflight) + cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); + spa->spa_scrub_inflight++; + mutex_exit(&spa->spa_scrub_lock); + + zio_nowait(zio_read(rio, spa, bp, data, size, + spa_load_verify_done, rio->io_private, ZIO_PRIORITY_SCRUB, + ZIO_FLAG_SPECULATIVE | ZIO_FLAG_CANFAIL | + ZIO_FLAG_SCRUB | ZIO_FLAG_RAW, zb)); + return (0); +} + +/* ARGSUSED */ +int +verify_dataset_name_len(dsl_pool_t *dp, dsl_dataset_t *ds, void *arg) +{ + if (dsl_dataset_namelen(ds) >= ZFS_MAX_DATASET_NAME_LEN) + return (SET_ERROR(ENAMETOOLONG)); + + return (0); +} + +static int +spa_load_verify(spa_t *spa) +{ + zio_t *rio; + spa_load_error_t sle = { 0 }; + zpool_rewind_policy_t policy; + boolean_t verify_ok = B_FALSE; + int error = 0; + + zpool_get_rewind_policy(spa->spa_config, &policy); + + if (policy.zrp_request & ZPOOL_NEVER_REWIND) + return (0); + + dsl_pool_config_enter(spa->spa_dsl_pool, FTAG); + error = dmu_objset_find_dp(spa->spa_dsl_pool, + spa->spa_dsl_pool->dp_root_dir_obj, verify_dataset_name_len, NULL, + DS_FIND_CHILDREN); + dsl_pool_config_exit(spa->spa_dsl_pool, FTAG); + if (error != 0) + return (error); + + rio = zio_root(spa, NULL, &sle, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE); + + if (spa_load_verify_metadata) { + error = traverse_pool(spa, spa->spa_verify_min_txg, + TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, + spa_load_verify_cb, rio); + } + + (void) zio_wait(rio); + + spa->spa_load_meta_errors = sle.sle_meta_count; + spa->spa_load_data_errors = sle.sle_data_count; + + if (!error && sle.sle_meta_count <= policy.zrp_maxmeta && + sle.sle_data_count <= policy.zrp_maxdata) { + int64_t loss = 0; + + verify_ok = B_TRUE; + spa->spa_load_txg = spa->spa_uberblock.ub_txg; + spa->spa_load_txg_ts = spa->spa_uberblock.ub_timestamp; + + loss = spa->spa_last_ubsync_txg_ts - spa->spa_load_txg_ts; + VERIFY(nvlist_add_uint64(spa->spa_load_info, + ZPOOL_CONFIG_LOAD_TIME, spa->spa_load_txg_ts) == 0); + VERIFY(nvlist_add_int64(spa->spa_load_info, + ZPOOL_CONFIG_REWIND_TIME, loss) == 0); + VERIFY(nvlist_add_uint64(spa->spa_load_info, + ZPOOL_CONFIG_LOAD_DATA_ERRORS, sle.sle_data_count) == 0); + } else { + spa->spa_load_max_txg = spa->spa_uberblock.ub_txg; + } + + if (error) { + if (error != ENXIO && error != EIO) + error = SET_ERROR(EIO); + return (error); + } + + return (verify_ok ? 0 : EIO); +} + +/* + * Find a value in the pool props object. + */ +static void +spa_prop_find(spa_t *spa, zpool_prop_t prop, uint64_t *val) +{ + (void) zap_lookup(spa->spa_meta_objset, spa->spa_pool_props_object, + zpool_prop_to_name(prop), sizeof (uint64_t), 1, val); +} + +/* + * Find a value in the pool directory object. + */ +static int +spa_dir_prop(spa_t *spa, const char *name, uint64_t *val) +{ + return (zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + name, sizeof (uint64_t), 1, val)); +} + +static int +spa_vdev_err(vdev_t *vdev, vdev_aux_t aux, int err) +{ + vdev_set_state(vdev, B_TRUE, VDEV_STATE_CANT_OPEN, aux); + return (err); +} + +/* + * Fix up config after a partly-completed split. This is done with the + * ZPOOL_CONFIG_SPLIT nvlist. Both the splitting pool and the split-off + * pool have that entry in their config, but only the splitting one contains + * a list of all the guids of the vdevs that are being split off. + * + * This function determines what to do with that list: either rejoin + * all the disks to the pool, or complete the splitting process. To attempt + * the rejoin, each disk that is offlined is marked online again, and + * we do a reopen() call. If the vdev label for every disk that was + * marked online indicates it was successfully split off (VDEV_AUX_SPLIT_POOL) + * then we call vdev_split() on each disk, and complete the split. + * + * Otherwise we leave the config alone, with all the vdevs in place in + * the original pool. + */ +static void +spa_try_repair(spa_t *spa, nvlist_t *config) +{ + uint_t extracted; + uint64_t *glist; + uint_t i, gcount; + nvlist_t *nvl; + vdev_t **vd; + boolean_t attempt_reopen; + + if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_SPLIT, &nvl) != 0) + return; + + /* check that the config is complete */ + if (nvlist_lookup_uint64_array(nvl, ZPOOL_CONFIG_SPLIT_LIST, + &glist, &gcount) != 0) + return; + + vd = kmem_zalloc(gcount * sizeof (vdev_t *), KM_SLEEP); + + /* attempt to online all the vdevs & validate */ + attempt_reopen = B_TRUE; + for (i = 0; i < gcount; i++) { + if (glist[i] == 0) /* vdev is hole */ + continue; + + vd[i] = spa_lookup_by_guid(spa, glist[i], B_FALSE); + if (vd[i] == NULL) { + /* + * Don't bother attempting to reopen the disks; + * just do the split. + */ + attempt_reopen = B_FALSE; + } else { + /* attempt to re-online it */ + vd[i]->vdev_offline = B_FALSE; + } + } + + if (attempt_reopen) { + vdev_reopen(spa->spa_root_vdev); + + /* check each device to see what state it's in */ + for (extracted = 0, i = 0; i < gcount; i++) { + if (vd[i] != NULL && + vd[i]->vdev_stat.vs_aux != VDEV_AUX_SPLIT_POOL) + break; + ++extracted; + } + } + + /* + * If every disk has been moved to the new pool, or if we never + * even attempted to look at them, then we split them off for + * good. + */ + if (!attempt_reopen || gcount == extracted) { + for (i = 0; i < gcount; i++) + if (vd[i] != NULL) + vdev_split(vd[i]); + vdev_reopen(spa->spa_root_vdev); + } + + kmem_free(vd, gcount * sizeof (vdev_t *)); +} + +static int +spa_load(spa_t *spa, spa_load_state_t state, spa_import_type_t type, + boolean_t mosconfig) +{ + nvlist_t *config = spa->spa_config; + char *ereport = FM_EREPORT_ZFS_POOL; + char *comment; + int error; + uint64_t pool_guid; + nvlist_t *nvl; + + if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) + return (SET_ERROR(EINVAL)); + + ASSERT(spa->spa_comment == NULL); + if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0) + spa->spa_comment = spa_strdup(comment); + + /* + * Versioning wasn't explicitly added to the label until later, so if + * it's not present treat it as the initial version. + */ + if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, + &spa->spa_ubsync.ub_version) != 0) + spa->spa_ubsync.ub_version = SPA_VERSION_INITIAL; + + (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, + &spa->spa_config_txg); + + if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && + spa_guid_exists(pool_guid, 0)) { + error = SET_ERROR(EEXIST); + } else { + spa->spa_config_guid = pool_guid; + + if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_SPLIT, + &nvl) == 0) { + VERIFY(nvlist_dup(nvl, &spa->spa_config_splitting, + KM_SLEEP) == 0); + } + + nvlist_free(spa->spa_load_info); + spa->spa_load_info = fnvlist_alloc(); + + gethrestime(&spa->spa_loaded_ts); + error = spa_load_impl(spa, pool_guid, config, state, type, + mosconfig, &ereport); + } + + /* + * Don't count references from objsets that are already closed + * and are making their way through the eviction process. + */ + spa_evicting_os_wait(spa); + spa->spa_minref = refcount_count(&spa->spa_refcount); + if (error) { + if (error != EEXIST) { + spa->spa_loaded_ts.tv_sec = 0; + spa->spa_loaded_ts.tv_nsec = 0; + } + if (error != EBADF) { + zfs_ereport_post(ereport, spa, NULL, NULL, 0, 0); + } + } + spa->spa_load_state = error ? SPA_LOAD_ERROR : SPA_LOAD_NONE; + spa->spa_ena = 0; + + return (error); +} + +/* + * Load an existing storage pool, using the pool's builtin spa_config as a + * source of configuration information. + */ +__attribute__((always_inline)) +static inline int +spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config, + spa_load_state_t state, spa_import_type_t type, boolean_t mosconfig, + char **ereport) +{ + int error = 0; + nvlist_t *nvroot = NULL; + nvlist_t *label; + vdev_t *rvd; + uberblock_t *ub = &spa->spa_uberblock; + uint64_t children, config_cache_txg = spa->spa_config_txg; + int orig_mode = spa->spa_mode; + int parse, i; + uint64_t obj; + boolean_t missing_feat_write = B_FALSE; + + /* + * If this is an untrusted config, access the pool in read-only mode. + * This prevents things like resilvering recently removed devices. + */ + if (!mosconfig) + spa->spa_mode = FREAD; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + spa->spa_load_state = state; + + if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot)) + return (SET_ERROR(EINVAL)); + + parse = (type == SPA_IMPORT_EXISTING ? + VDEV_ALLOC_LOAD : VDEV_ALLOC_SPLIT); + + /* + * Create "The Godfather" zio to hold all async IOs + */ + spa->spa_async_zio_root = kmem_alloc(max_ncpus * sizeof (void *), + KM_SLEEP); + for (i = 0; i < max_ncpus; i++) { + spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | + ZIO_FLAG_GODFATHER); + } + + /* + * Parse the configuration into a vdev tree. We explicitly set the + * value that will be returned by spa_version() since parsing the + * configuration requires knowing the version number. + */ + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, parse); + spa_config_exit(spa, SCL_ALL, FTAG); + + if (error != 0) + return (error); + + ASSERT(spa->spa_root_vdev == rvd); + ASSERT3U(spa->spa_min_ashift, >=, SPA_MINBLOCKSHIFT); + ASSERT3U(spa->spa_max_ashift, <=, SPA_MAXBLOCKSHIFT); + + if (type != SPA_IMPORT_ASSEMBLE) { + ASSERT(spa_guid(spa) == pool_guid); + } + + /* + * Try to open all vdevs, loading each label in the process. + */ + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + error = vdev_open(rvd); + spa_config_exit(spa, SCL_ALL, FTAG); + if (error != 0) + return (error); + + /* + * We need to validate the vdev labels against the configuration that + * we have in hand, which is dependent on the setting of mosconfig. If + * mosconfig is true then we're validating the vdev labels based on + * that config. Otherwise, we're validating against the cached config + * (zpool.cache) that was read when we loaded the zfs module, and then + * later we will recursively call spa_load() and validate against + * the vdev config. + * + * If we're assembling a new pool that's been split off from an + * existing pool, the labels haven't yet been updated so we skip + * validation for now. + */ + if (type != SPA_IMPORT_ASSEMBLE) { + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + error = vdev_validate(rvd, mosconfig); + spa_config_exit(spa, SCL_ALL, FTAG); + + if (error != 0) + return (error); + + if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) + return (SET_ERROR(ENXIO)); + } + + /* + * Find the best uberblock. + */ + vdev_uberblock_load(rvd, ub, &label); + + /* + * If we weren't able to find a single valid uberblock, return failure. + */ + if (ub->ub_txg == 0) { + nvlist_free(label); + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, ENXIO)); + } + + /* + * If the pool has an unsupported version we can't open it. + */ + if (!SPA_VERSION_IS_SUPPORTED(ub->ub_version)) { + nvlist_free(label); + return (spa_vdev_err(rvd, VDEV_AUX_VERSION_NEWER, ENOTSUP)); + } + + if (ub->ub_version >= SPA_VERSION_FEATURES) { + nvlist_t *features; + + /* + * If we weren't able to find what's necessary for reading the + * MOS in the label, return failure. + */ + if (label == NULL || nvlist_lookup_nvlist(label, + ZPOOL_CONFIG_FEATURES_FOR_READ, &features) != 0) { + nvlist_free(label); + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, + ENXIO)); + } + + /* + * Update our in-core representation with the definitive values + * from the label. + */ + nvlist_free(spa->spa_label_features); + VERIFY(nvlist_dup(features, &spa->spa_label_features, 0) == 0); + } + + nvlist_free(label); + + /* + * Look through entries in the label nvlist's features_for_read. If + * there is a feature listed there which we don't understand then we + * cannot open a pool. + */ + if (ub->ub_version >= SPA_VERSION_FEATURES) { + nvlist_t *unsup_feat; + nvpair_t *nvp; + + VERIFY(nvlist_alloc(&unsup_feat, NV_UNIQUE_NAME, KM_SLEEP) == + 0); + + for (nvp = nvlist_next_nvpair(spa->spa_label_features, NULL); + nvp != NULL; + nvp = nvlist_next_nvpair(spa->spa_label_features, nvp)) { + if (!zfeature_is_supported(nvpair_name(nvp))) { + VERIFY(nvlist_add_string(unsup_feat, + nvpair_name(nvp), "") == 0); + } + } + + if (!nvlist_empty(unsup_feat)) { + VERIFY(nvlist_add_nvlist(spa->spa_load_info, + ZPOOL_CONFIG_UNSUP_FEAT, unsup_feat) == 0); + nvlist_free(unsup_feat); + return (spa_vdev_err(rvd, VDEV_AUX_UNSUP_FEAT, + ENOTSUP)); + } + + nvlist_free(unsup_feat); + } + + /* + * If the vdev guid sum doesn't match the uberblock, we have an + * incomplete configuration. We first check to see if the pool + * is aware of the complete config (i.e ZPOOL_CONFIG_VDEV_CHILDREN). + * If it is, defer the vdev_guid_sum check till later so we + * can handle missing vdevs. + */ + if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VDEV_CHILDREN, + &children) != 0 && mosconfig && type != SPA_IMPORT_ASSEMBLE && + rvd->vdev_guid_sum != ub->ub_guid_sum) + return (spa_vdev_err(rvd, VDEV_AUX_BAD_GUID_SUM, ENXIO)); + + if (type != SPA_IMPORT_ASSEMBLE && spa->spa_config_splitting) { + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa_try_repair(spa, config); + spa_config_exit(spa, SCL_ALL, FTAG); + nvlist_free(spa->spa_config_splitting); + spa->spa_config_splitting = NULL; + } + + /* + * Initialize internal SPA structures. + */ + spa->spa_state = POOL_STATE_ACTIVE; + spa->spa_ubsync = spa->spa_uberblock; + spa->spa_verify_min_txg = spa->spa_extreme_rewind ? + TXG_INITIAL - 1 : spa_last_synced_txg(spa) - TXG_DEFER_SIZE - 1; + spa->spa_first_txg = spa->spa_last_ubsync_txg ? + spa->spa_last_ubsync_txg : spa_last_synced_txg(spa) + 1; + spa->spa_claim_max_txg = spa->spa_first_txg; + spa->spa_prev_software_version = ub->ub_software_version; + + error = dsl_pool_init(spa, spa->spa_first_txg, &spa->spa_dsl_pool); + if (error) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; + + if (spa_dir_prop(spa, DMU_POOL_CONFIG, &spa->spa_config_object) != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + if (spa_version(spa) >= SPA_VERSION_FEATURES) { + boolean_t missing_feat_read = B_FALSE; + nvlist_t *unsup_feat, *enabled_feat; + spa_feature_t i; + + if (spa_dir_prop(spa, DMU_POOL_FEATURES_FOR_READ, + &spa->spa_feat_for_read_obj) != 0) { + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + } + + if (spa_dir_prop(spa, DMU_POOL_FEATURES_FOR_WRITE, + &spa->spa_feat_for_write_obj) != 0) { + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + } + + if (spa_dir_prop(spa, DMU_POOL_FEATURE_DESCRIPTIONS, + &spa->spa_feat_desc_obj) != 0) { + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + } + + enabled_feat = fnvlist_alloc(); + unsup_feat = fnvlist_alloc(); + + if (!spa_features_check(spa, B_FALSE, + unsup_feat, enabled_feat)) + missing_feat_read = B_TRUE; + + if (spa_writeable(spa) || state == SPA_LOAD_TRYIMPORT) { + if (!spa_features_check(spa, B_TRUE, + unsup_feat, enabled_feat)) { + missing_feat_write = B_TRUE; + } + } + + fnvlist_add_nvlist(spa->spa_load_info, + ZPOOL_CONFIG_ENABLED_FEAT, enabled_feat); + + if (!nvlist_empty(unsup_feat)) { + fnvlist_add_nvlist(spa->spa_load_info, + ZPOOL_CONFIG_UNSUP_FEAT, unsup_feat); + } + + fnvlist_free(enabled_feat); + fnvlist_free(unsup_feat); + + if (!missing_feat_read) { + fnvlist_add_boolean(spa->spa_load_info, + ZPOOL_CONFIG_CAN_RDONLY); + } + + /* + * If the state is SPA_LOAD_TRYIMPORT, our objective is + * twofold: to determine whether the pool is available for + * import in read-write mode and (if it is not) whether the + * pool is available for import in read-only mode. If the pool + * is available for import in read-write mode, it is displayed + * as available in userland; if it is not available for import + * in read-only mode, it is displayed as unavailable in + * userland. If the pool is available for import in read-only + * mode but not read-write mode, it is displayed as unavailable + * in userland with a special note that the pool is actually + * available for open in read-only mode. + * + * As a result, if the state is SPA_LOAD_TRYIMPORT and we are + * missing a feature for write, we must first determine whether + * the pool can be opened read-only before returning to + * userland in order to know whether to display the + * abovementioned note. + */ + if (missing_feat_read || (missing_feat_write && + spa_writeable(spa))) { + return (spa_vdev_err(rvd, VDEV_AUX_UNSUP_FEAT, + ENOTSUP)); + } + + /* + * Load refcounts for ZFS features from disk into an in-memory + * cache during SPA initialization. + */ + for (i = 0; i < SPA_FEATURES; i++) { + uint64_t refcount; + + error = feature_get_refcount_from_disk(spa, + &spa_feature_table[i], &refcount); + if (error == 0) { + spa->spa_feat_refcount_cache[i] = refcount; + } else if (error == ENOTSUP) { + spa->spa_feat_refcount_cache[i] = + SPA_FEATURE_DISABLED; + } else { + return (spa_vdev_err(rvd, + VDEV_AUX_CORRUPT_DATA, EIO)); + } + } + } + + if (spa_feature_is_active(spa, SPA_FEATURE_ENABLED_TXG)) { + if (spa_dir_prop(spa, DMU_POOL_FEATURE_ENABLED_TXG, + &spa->spa_feat_enabled_txg_obj) != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + } + + spa->spa_is_initializing = B_TRUE; + error = dsl_pool_open(spa->spa_dsl_pool); + spa->spa_is_initializing = B_FALSE; + if (error != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + if (!mosconfig) { + uint64_t hostid; + nvlist_t *policy = NULL, *nvconfig; + + if (load_nvlist(spa, spa->spa_config_object, &nvconfig) != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + if (!spa_is_root(spa) && nvlist_lookup_uint64(nvconfig, + ZPOOL_CONFIG_HOSTID, &hostid) == 0) { + char *hostname; + unsigned long myhostid = 0; + + VERIFY(nvlist_lookup_string(nvconfig, + ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); + +#ifdef _KERNEL + myhostid = zone_get_hostid(NULL); +#else /* _KERNEL */ + /* + * We're emulating the system's hostid in userland, so + * we can't use zone_get_hostid(). + */ + (void) ddi_strtoul(hw_serial, NULL, 10, &myhostid); +#endif /* _KERNEL */ + if (hostid != 0 && myhostid != 0 && + hostid != myhostid) { + nvlist_free(nvconfig); + cmn_err(CE_WARN, "pool '%s' could not be " + "loaded as it was last accessed by another " + "system (host: %s hostid: 0x%lx). See: " + "http://zfsonlinux.org/msg/ZFS-8000-EY", + spa_name(spa), hostname, + (unsigned long)hostid); + return (SET_ERROR(EBADF)); + } + } + if (nvlist_lookup_nvlist(spa->spa_config, + ZPOOL_REWIND_POLICY, &policy) == 0) + VERIFY(nvlist_add_nvlist(nvconfig, + ZPOOL_REWIND_POLICY, policy) == 0); + + spa_config_set(spa, nvconfig); + spa_unload(spa); + spa_deactivate(spa); + spa_activate(spa, orig_mode); + + return (spa_load(spa, state, SPA_IMPORT_EXISTING, B_TRUE)); + } + + if (spa_dir_prop(spa, DMU_POOL_SYNC_BPOBJ, &obj) != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + error = bpobj_open(&spa->spa_deferred_bpobj, spa->spa_meta_objset, obj); + if (error != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + /* + * Load the bit that tells us to use the new accounting function + * (raid-z deflation). If we have an older pool, this will not + * be present. + */ + error = spa_dir_prop(spa, DMU_POOL_DEFLATE, &spa->spa_deflate); + if (error != 0 && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + error = spa_dir_prop(spa, DMU_POOL_CREATION_VERSION, + &spa->spa_creation_version); + if (error != 0 && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + /* + * Load the persistent error log. If we have an older pool, this will + * not be present. + */ + error = spa_dir_prop(spa, DMU_POOL_ERRLOG_LAST, &spa->spa_errlog_last); + if (error != 0 && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + error = spa_dir_prop(spa, DMU_POOL_ERRLOG_SCRUB, + &spa->spa_errlog_scrub); + if (error != 0 && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + /* + * Load the history object. If we have an older pool, this + * will not be present. + */ + error = spa_dir_prop(spa, DMU_POOL_HISTORY, &spa->spa_history); + if (error != 0 && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + /* + * If we're assembling the pool from the split-off vdevs of + * an existing pool, we don't want to attach the spares & cache + * devices. + */ + + /* + * Load any hot spares for this pool. + */ + error = spa_dir_prop(spa, DMU_POOL_SPARES, &spa->spa_spares.sav_object); + if (error != 0 && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + if (error == 0 && type != SPA_IMPORT_ASSEMBLE) { + ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); + if (load_nvlist(spa, spa->spa_spares.sav_object, + &spa->spa_spares.sav_config) != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa_load_spares(spa); + spa_config_exit(spa, SCL_ALL, FTAG); + } else if (error == 0) { + spa->spa_spares.sav_sync = B_TRUE; + } + + /* + * Load any level 2 ARC devices for this pool. + */ + error = spa_dir_prop(spa, DMU_POOL_L2CACHE, + &spa->spa_l2cache.sav_object); + if (error != 0 && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + if (error == 0 && type != SPA_IMPORT_ASSEMBLE) { + ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); + if (load_nvlist(spa, spa->spa_l2cache.sav_object, + &spa->spa_l2cache.sav_config) != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa_load_l2cache(spa); + spa_config_exit(spa, SCL_ALL, FTAG); + } else if (error == 0) { + spa->spa_l2cache.sav_sync = B_TRUE; + } + + spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); + + error = spa_dir_prop(spa, DMU_POOL_PROPS, &spa->spa_pool_props_object); + if (error && error != ENOENT) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + if (error == 0) { + uint64_t autoreplace = 0; + + spa_prop_find(spa, ZPOOL_PROP_BOOTFS, &spa->spa_bootfs); + spa_prop_find(spa, ZPOOL_PROP_AUTOREPLACE, &autoreplace); + spa_prop_find(spa, ZPOOL_PROP_DELEGATION, &spa->spa_delegation); + spa_prop_find(spa, ZPOOL_PROP_FAILUREMODE, &spa->spa_failmode); + spa_prop_find(spa, ZPOOL_PROP_AUTOEXPAND, &spa->spa_autoexpand); + spa_prop_find(spa, ZPOOL_PROP_DEDUPDITTO, + &spa->spa_dedup_ditto); + + spa->spa_autoreplace = (autoreplace != 0); + } + + /* + * If the 'autoreplace' property is set, then post a resource notifying + * the ZFS DE that it should not issue any faults for unopenable + * devices. We also iterate over the vdevs, and post a sysevent for any + * unopenable vdevs so that the normal autoreplace handler can take + * over. + */ + if (spa->spa_autoreplace && state != SPA_LOAD_TRYIMPORT) { + spa_check_removed(spa->spa_root_vdev); + /* + * For the import case, this is done in spa_import(), because + * at this point we're using the spare definitions from + * the MOS config, not necessarily from the userland config. + */ + if (state != SPA_LOAD_IMPORT) { + spa_aux_check_removed(&spa->spa_spares); + spa_aux_check_removed(&spa->spa_l2cache); + } + } + + /* + * Load the vdev state for all toplevel vdevs. + */ + vdev_load(rvd); + + /* + * Propagate the leaf DTLs we just loaded all the way up the tree. + */ + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + vdev_dtl_reassess(rvd, 0, 0, B_FALSE); + spa_config_exit(spa, SCL_ALL, FTAG); + + /* + * Load the DDTs (dedup tables). + */ + error = ddt_load(spa); + if (error != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + spa_update_dspace(spa); + + /* + * Validate the config, using the MOS config to fill in any + * information which might be missing. If we fail to validate + * the config then declare the pool unfit for use. If we're + * assembling a pool from a split, the log is not transferred + * over. + */ + if (type != SPA_IMPORT_ASSEMBLE) { + nvlist_t *nvconfig; + + if (load_nvlist(spa, spa->spa_config_object, &nvconfig) != 0) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + + if (!spa_config_valid(spa, nvconfig)) { + nvlist_free(nvconfig); + return (spa_vdev_err(rvd, VDEV_AUX_BAD_GUID_SUM, + ENXIO)); + } + nvlist_free(nvconfig); + + /* + * Now that we've validated the config, check the state of the + * root vdev. If it can't be opened, it indicates one or + * more toplevel vdevs are faulted. + */ + if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) + return (SET_ERROR(ENXIO)); + + if (spa_writeable(spa) && spa_check_logs(spa)) { + *ereport = FM_EREPORT_ZFS_LOG_REPLAY; + return (spa_vdev_err(rvd, VDEV_AUX_BAD_LOG, ENXIO)); + } + } + + if (missing_feat_write) { + ASSERT(state == SPA_LOAD_TRYIMPORT); + + /* + * At this point, we know that we can open the pool in + * read-only mode but not read-write mode. We now have enough + * information and can return to userland. + */ + return (spa_vdev_err(rvd, VDEV_AUX_UNSUP_FEAT, ENOTSUP)); + } + + /* + * We've successfully opened the pool, verify that we're ready + * to start pushing transactions. + */ + if (state != SPA_LOAD_TRYIMPORT) { + if ((error = spa_load_verify(spa))) + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, + error)); + } + + if (spa_writeable(spa) && (state == SPA_LOAD_RECOVER || + spa->spa_load_max_txg == UINT64_MAX)) { + dmu_tx_t *tx; + int need_update = B_FALSE; + dsl_pool_t *dp = spa_get_dsl(spa); + int c; + + ASSERT(state != SPA_LOAD_TRYIMPORT); + + /* + * Claim log blocks that haven't been committed yet. + * This must all happen in a single txg. + * Note: spa_claim_max_txg is updated by spa_claim_notify(), + * invoked from zil_claim_log_block()'s i/o done callback. + * Price of rollback is that we abandon the log. + */ + spa->spa_claiming = B_TRUE; + + tx = dmu_tx_create_assigned(dp, spa_first_txg(spa)); + (void) dmu_objset_find_dp(dp, dp->dp_root_dir_obj, + zil_claim, tx, DS_FIND_CHILDREN); + dmu_tx_commit(tx); + + spa->spa_claiming = B_FALSE; + + spa_set_log_state(spa, SPA_LOG_GOOD); + spa->spa_sync_on = B_TRUE; + txg_sync_start(spa->spa_dsl_pool); + + /* + * Wait for all claims to sync. We sync up to the highest + * claimed log block birth time so that claimed log blocks + * don't appear to be from the future. spa_claim_max_txg + * will have been set for us by either zil_check_log_chain() + * (invoked from spa_check_logs()) or zil_claim() above. + */ + txg_wait_synced(spa->spa_dsl_pool, spa->spa_claim_max_txg); + + /* + * If the config cache is stale, or we have uninitialized + * metaslabs (see spa_vdev_add()), then update the config. + * + * If this is a verbatim import, trust the current + * in-core spa_config and update the disk labels. + */ + if (config_cache_txg != spa->spa_config_txg || + state == SPA_LOAD_IMPORT || + state == SPA_LOAD_RECOVER || + (spa->spa_import_flags & ZFS_IMPORT_VERBATIM)) + need_update = B_TRUE; + + for (c = 0; c < rvd->vdev_children; c++) + if (rvd->vdev_child[c]->vdev_ms_array == 0) + need_update = B_TRUE; + + /* + * Update the config cache asychronously in case we're the + * root pool, in which case the config cache isn't writable yet. + */ + if (need_update) + spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); + + /* + * Check all DTLs to see if anything needs resilvering. + */ + if (!dsl_scan_resilvering(spa->spa_dsl_pool) && + vdev_resilver_needed(rvd, NULL, NULL)) + spa_async_request(spa, SPA_ASYNC_RESILVER); + + /* + * Log the fact that we booted up (so that we can detect if + * we rebooted in the middle of an operation). + */ + spa_history_log_version(spa, "open"); + + /* + * Delete any inconsistent datasets. + */ + (void) dmu_objset_find(spa_name(spa), + dsl_destroy_inconsistent, NULL, DS_FIND_CHILDREN); + + /* + * Clean up any stale temporary dataset userrefs. + */ + dsl_pool_clean_tmp_userrefs(spa->spa_dsl_pool); + } + + return (0); +} + +static int +spa_load_retry(spa_t *spa, spa_load_state_t state, int mosconfig) +{ + int mode = spa->spa_mode; + + spa_unload(spa); + spa_deactivate(spa); + + spa->spa_load_max_txg = spa->spa_uberblock.ub_txg - 1; + + spa_activate(spa, mode); + spa_async_suspend(spa); + + return (spa_load(spa, state, SPA_IMPORT_EXISTING, mosconfig)); +} + +/* + * If spa_load() fails this function will try loading prior txg's. If + * 'state' is SPA_LOAD_RECOVER and one of these loads succeeds the pool + * will be rewound to that txg. If 'state' is not SPA_LOAD_RECOVER this + * function will not rewind the pool and will return the same error as + * spa_load(). + */ +static int +spa_load_best(spa_t *spa, spa_load_state_t state, int mosconfig, + uint64_t max_request, int rewind_flags) +{ + nvlist_t *loadinfo = NULL; + nvlist_t *config = NULL; + int load_error, rewind_error; + uint64_t safe_rewind_txg; + uint64_t min_txg; + + if (spa->spa_load_txg && state == SPA_LOAD_RECOVER) { + spa->spa_load_max_txg = spa->spa_load_txg; + spa_set_log_state(spa, SPA_LOG_CLEAR); + } else { + spa->spa_load_max_txg = max_request; + if (max_request != UINT64_MAX) + spa->spa_extreme_rewind = B_TRUE; + } + + load_error = rewind_error = spa_load(spa, state, SPA_IMPORT_EXISTING, + mosconfig); + if (load_error == 0) + return (0); + + if (spa->spa_root_vdev != NULL) + config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); + + spa->spa_last_ubsync_txg = spa->spa_uberblock.ub_txg; + spa->spa_last_ubsync_txg_ts = spa->spa_uberblock.ub_timestamp; + + if (rewind_flags & ZPOOL_NEVER_REWIND) { + nvlist_free(config); + return (load_error); + } + + if (state == SPA_LOAD_RECOVER) { + /* Price of rolling back is discarding txgs, including log */ + spa_set_log_state(spa, SPA_LOG_CLEAR); + } else { + /* + * If we aren't rolling back save the load info from our first + * import attempt so that we can restore it after attempting + * to rewind. + */ + loadinfo = spa->spa_load_info; + spa->spa_load_info = fnvlist_alloc(); + } + + spa->spa_load_max_txg = spa->spa_last_ubsync_txg; + safe_rewind_txg = spa->spa_last_ubsync_txg - TXG_DEFER_SIZE; + min_txg = (rewind_flags & ZPOOL_EXTREME_REWIND) ? + TXG_INITIAL : safe_rewind_txg; + + /* + * Continue as long as we're finding errors, we're still within + * the acceptable rewind range, and we're still finding uberblocks + */ + while (rewind_error && spa->spa_uberblock.ub_txg >= min_txg && + spa->spa_uberblock.ub_txg <= spa->spa_load_max_txg) { + if (spa->spa_load_max_txg < safe_rewind_txg) + spa->spa_extreme_rewind = B_TRUE; + rewind_error = spa_load_retry(spa, state, mosconfig); + } + + spa->spa_extreme_rewind = B_FALSE; + spa->spa_load_max_txg = UINT64_MAX; + + if (config && (rewind_error || state != SPA_LOAD_RECOVER)) + spa_config_set(spa, config); + + if (state == SPA_LOAD_RECOVER) { + ASSERT3P(loadinfo, ==, NULL); + return (rewind_error); + } else { + /* Store the rewind info as part of the initial load info */ + fnvlist_add_nvlist(loadinfo, ZPOOL_CONFIG_REWIND_INFO, + spa->spa_load_info); + + /* Restore the initial load info */ + fnvlist_free(spa->spa_load_info); + spa->spa_load_info = loadinfo; + + return (load_error); + } +} + +/* + * Pool Open/Import + * + * The import case is identical to an open except that the configuration is sent + * down from userland, instead of grabbed from the configuration cache. For the + * case of an open, the pool configuration will exist in the + * POOL_STATE_UNINITIALIZED state. + * + * The stats information (gen/count/ustats) is used to gather vdev statistics at + * the same time open the pool, without having to keep around the spa_t in some + * ambiguous state. + */ +static int +spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t *nvpolicy, + nvlist_t **config) +{ + spa_t *spa; + spa_load_state_t state = SPA_LOAD_OPEN; + int error; + int locked = B_FALSE; + int firstopen = B_FALSE; + + *spapp = NULL; + + /* + * As disgusting as this is, we need to support recursive calls to this + * function because dsl_dir_open() is called during spa_load(), and ends + * up calling spa_open() again. The real fix is to figure out how to + * avoid dsl_dir_open() calling this in the first place. + */ + if (mutex_owner(&spa_namespace_lock) != curthread) { + mutex_enter(&spa_namespace_lock); + locked = B_TRUE; + } + + if ((spa = spa_lookup(pool)) == NULL) { + if (locked) + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(ENOENT)); + } + + if (spa->spa_state == POOL_STATE_UNINITIALIZED) { + zpool_rewind_policy_t policy; + + firstopen = B_TRUE; + + zpool_get_rewind_policy(nvpolicy ? nvpolicy : spa->spa_config, + &policy); + if (policy.zrp_request & ZPOOL_DO_REWIND) + state = SPA_LOAD_RECOVER; + + spa_activate(spa, spa_mode_global); + + if (state != SPA_LOAD_RECOVER) + spa->spa_last_ubsync_txg = spa->spa_load_txg = 0; + + error = spa_load_best(spa, state, B_FALSE, policy.zrp_txg, + policy.zrp_request); + + if (error == EBADF) { + /* + * If vdev_validate() returns failure (indicated by + * EBADF), it indicates that one of the vdevs indicates + * that the pool has been exported or destroyed. If + * this is the case, the config cache is out of sync and + * we should remove the pool from the namespace. + */ + spa_unload(spa); + spa_deactivate(spa); + spa_config_sync(spa, B_TRUE, B_TRUE); + spa_remove(spa); + if (locked) + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(ENOENT)); + } + + if (error) { + /* + * We can't open the pool, but we still have useful + * information: the state of each vdev after the + * attempted vdev_open(). Return this to the user. + */ + if (config != NULL && spa->spa_config) { + VERIFY(nvlist_dup(spa->spa_config, config, + KM_SLEEP) == 0); + VERIFY(nvlist_add_nvlist(*config, + ZPOOL_CONFIG_LOAD_INFO, + spa->spa_load_info) == 0); + } + spa_unload(spa); + spa_deactivate(spa); + spa->spa_last_open_failed = error; + if (locked) + mutex_exit(&spa_namespace_lock); + *spapp = NULL; + return (error); + } + } + + spa_open_ref(spa, tag); + + if (config != NULL) + *config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); + + /* + * If we've recovered the pool, pass back any information we + * gathered while doing the load. + */ + if (state == SPA_LOAD_RECOVER) { + VERIFY(nvlist_add_nvlist(*config, ZPOOL_CONFIG_LOAD_INFO, + spa->spa_load_info) == 0); + } + + if (locked) { + spa->spa_last_open_failed = 0; + spa->spa_last_ubsync_txg = 0; + spa->spa_load_txg = 0; + mutex_exit(&spa_namespace_lock); + } + + if (firstopen) + zvol_create_minors(spa, spa_name(spa), B_TRUE); + + *spapp = spa; + + return (0); +} + +int +spa_open_rewind(const char *name, spa_t **spapp, void *tag, nvlist_t *policy, + nvlist_t **config) +{ + return (spa_open_common(name, spapp, tag, policy, config)); +} + +int +spa_open(const char *name, spa_t **spapp, void *tag) +{ + return (spa_open_common(name, spapp, tag, NULL, NULL)); +} + +/* + * Lookup the given spa_t, incrementing the inject count in the process, + * preventing it from being exported or destroyed. + */ +spa_t * +spa_inject_addref(char *name) +{ + spa_t *spa; + + mutex_enter(&spa_namespace_lock); + if ((spa = spa_lookup(name)) == NULL) { + mutex_exit(&spa_namespace_lock); + return (NULL); + } + spa->spa_inject_ref++; + mutex_exit(&spa_namespace_lock); + + return (spa); +} + +void +spa_inject_delref(spa_t *spa) +{ + mutex_enter(&spa_namespace_lock); + spa->spa_inject_ref--; + mutex_exit(&spa_namespace_lock); +} + +/* + * Add spares device information to the nvlist. + */ +static void +spa_add_spares(spa_t *spa, nvlist_t *config) +{ + nvlist_t **spares; + uint_t i, nspares; + nvlist_t *nvroot; + uint64_t guid; + vdev_stat_t *vs; + uint_t vsc; + uint64_t pool; + + ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); + + if (spa->spa_spares.sav_count == 0) + return; + + VERIFY(nvlist_lookup_nvlist(config, + ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); + VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); + if (nspares != 0) { + VERIFY(nvlist_add_nvlist_array(nvroot, + ZPOOL_CONFIG_SPARES, spares, nspares) == 0); + VERIFY(nvlist_lookup_nvlist_array(nvroot, + ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); + + /* + * Go through and find any spares which have since been + * repurposed as an active spare. If this is the case, update + * their status appropriately. + */ + for (i = 0; i < nspares; i++) { + VERIFY(nvlist_lookup_uint64(spares[i], + ZPOOL_CONFIG_GUID, &guid) == 0); + if (spa_spare_exists(guid, &pool, NULL) && + pool != 0ULL) { + VERIFY(nvlist_lookup_uint64_array( + spares[i], ZPOOL_CONFIG_VDEV_STATS, + (uint64_t **)&vs, &vsc) == 0); + vs->vs_state = VDEV_STATE_CANT_OPEN; + vs->vs_aux = VDEV_AUX_SPARED; + } + } + } +} + +/* + * Add l2cache device information to the nvlist, including vdev stats. + */ +static void +spa_add_l2cache(spa_t *spa, nvlist_t *config) +{ + nvlist_t **l2cache; + uint_t i, j, nl2cache; + nvlist_t *nvroot; + uint64_t guid; + vdev_t *vd; + vdev_stat_t *vs; + uint_t vsc; + + ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); + + if (spa->spa_l2cache.sav_count == 0) + return; + + VERIFY(nvlist_lookup_nvlist(config, + ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); + VERIFY(nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, + ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); + if (nl2cache != 0) { + VERIFY(nvlist_add_nvlist_array(nvroot, + ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); + VERIFY(nvlist_lookup_nvlist_array(nvroot, + ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); + + /* + * Update level 2 cache device stats. + */ + + for (i = 0; i < nl2cache; i++) { + VERIFY(nvlist_lookup_uint64(l2cache[i], + ZPOOL_CONFIG_GUID, &guid) == 0); + + vd = NULL; + for (j = 0; j < spa->spa_l2cache.sav_count; j++) { + if (guid == + spa->spa_l2cache.sav_vdevs[j]->vdev_guid) { + vd = spa->spa_l2cache.sav_vdevs[j]; + break; + } + } + ASSERT(vd != NULL); + + VERIFY(nvlist_lookup_uint64_array(l2cache[i], + ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) + == 0); + vdev_get_stats(vd, vs); + } + } +} + +static void +spa_feature_stats_from_disk(spa_t *spa, nvlist_t *features) +{ + zap_cursor_t zc; + zap_attribute_t za; + + if (spa->spa_feat_for_read_obj != 0) { + for (zap_cursor_init(&zc, spa->spa_meta_objset, + spa->spa_feat_for_read_obj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + ASSERT(za.za_integer_length == sizeof (uint64_t) && + za.za_num_integers == 1); + VERIFY0(nvlist_add_uint64(features, za.za_name, + za.za_first_integer)); + } + zap_cursor_fini(&zc); + } + + if (spa->spa_feat_for_write_obj != 0) { + for (zap_cursor_init(&zc, spa->spa_meta_objset, + spa->spa_feat_for_write_obj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + ASSERT(za.za_integer_length == sizeof (uint64_t) && + za.za_num_integers == 1); + VERIFY0(nvlist_add_uint64(features, za.za_name, + za.za_first_integer)); + } + zap_cursor_fini(&zc); + } +} + +static void +spa_feature_stats_from_cache(spa_t *spa, nvlist_t *features) +{ + int i; + + for (i = 0; i < SPA_FEATURES; i++) { + zfeature_info_t feature = spa_feature_table[i]; + uint64_t refcount; + + if (feature_get_refcount(spa, &feature, &refcount) != 0) + continue; + + VERIFY0(nvlist_add_uint64(features, feature.fi_guid, refcount)); + } +} + +/* + * Store a list of pool features and their reference counts in the + * config. + * + * The first time this is called on a spa, allocate a new nvlist, fetch + * the pool features and reference counts from disk, then save the list + * in the spa. In subsequent calls on the same spa use the saved nvlist + * and refresh its values from the cached reference counts. This + * ensures we don't block here on I/O on a suspended pool so 'zpool + * clear' can resume the pool. + */ +static void +spa_add_feature_stats(spa_t *spa, nvlist_t *config) +{ + nvlist_t *features; + + ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); + + mutex_enter(&spa->spa_feat_stats_lock); + features = spa->spa_feat_stats; + + if (features != NULL) { + spa_feature_stats_from_cache(spa, features); + } else { + VERIFY0(nvlist_alloc(&features, NV_UNIQUE_NAME, KM_SLEEP)); + spa->spa_feat_stats = features; + spa_feature_stats_from_disk(spa, features); + } + + VERIFY0(nvlist_add_nvlist(config, ZPOOL_CONFIG_FEATURE_STATS, + features)); + + mutex_exit(&spa->spa_feat_stats_lock); +} + +int +spa_get_stats(const char *name, nvlist_t **config, + char *altroot, size_t buflen) +{ + int error; + spa_t *spa; + + *config = NULL; + error = spa_open_common(name, &spa, FTAG, NULL, config); + + if (spa != NULL) { + /* + * This still leaves a window of inconsistency where the spares + * or l2cache devices could change and the config would be + * self-inconsistent. + */ + spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); + + if (*config != NULL) { + uint64_t loadtimes[2]; + + loadtimes[0] = spa->spa_loaded_ts.tv_sec; + loadtimes[1] = spa->spa_loaded_ts.tv_nsec; + VERIFY(nvlist_add_uint64_array(*config, + ZPOOL_CONFIG_LOADED_TIME, loadtimes, 2) == 0); + + VERIFY(nvlist_add_uint64(*config, + ZPOOL_CONFIG_ERRCOUNT, + spa_get_errlog_size(spa)) == 0); + + if (spa_suspended(spa)) + VERIFY(nvlist_add_uint64(*config, + ZPOOL_CONFIG_SUSPENDED, + spa->spa_failmode) == 0); + + spa_add_spares(spa, *config); + spa_add_l2cache(spa, *config); + spa_add_feature_stats(spa, *config); + } + } + + /* + * We want to get the alternate root even for faulted pools, so we cheat + * and call spa_lookup() directly. + */ + if (altroot) { + if (spa == NULL) { + mutex_enter(&spa_namespace_lock); + spa = spa_lookup(name); + if (spa) + spa_altroot(spa, altroot, buflen); + else + altroot[0] = '\0'; + spa = NULL; + mutex_exit(&spa_namespace_lock); + } else { + spa_altroot(spa, altroot, buflen); + } + } + + if (spa != NULL) { + spa_config_exit(spa, SCL_CONFIG, FTAG); + spa_close(spa, FTAG); + } + + return (error); +} + +/* + * Validate that the auxiliary device array is well formed. We must have an + * array of nvlists, each which describes a valid leaf vdev. If this is an + * import (mode is VDEV_ALLOC_SPARE), then we allow corrupted spares to be + * specified, as long as they are well-formed. + */ +static int +spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode, + spa_aux_vdev_t *sav, const char *config, uint64_t version, + vdev_labeltype_t label) +{ + nvlist_t **dev; + uint_t i, ndev; + vdev_t *vd; + int error; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + /* + * It's acceptable to have no devs specified. + */ + if (nvlist_lookup_nvlist_array(nvroot, config, &dev, &ndev) != 0) + return (0); + + if (ndev == 0) + return (SET_ERROR(EINVAL)); + + /* + * Make sure the pool is formatted with a version that supports this + * device type. + */ + if (spa_version(spa) < version) + return (SET_ERROR(ENOTSUP)); + + /* + * Set the pending device list so we correctly handle device in-use + * checking. + */ + sav->sav_pending = dev; + sav->sav_npending = ndev; + + for (i = 0; i < ndev; i++) { + if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0, + mode)) != 0) + goto out; + + if (!vd->vdev_ops->vdev_op_leaf) { + vdev_free(vd); + error = SET_ERROR(EINVAL); + goto out; + } + + /* + * The L2ARC currently only supports disk devices in + * kernel context. For user-level testing, we allow it. + */ +#ifdef _KERNEL + if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) && + strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) { + error = SET_ERROR(ENOTBLK); + vdev_free(vd); + goto out; + } +#endif + vd->vdev_top = vd; + + if ((error = vdev_open(vd)) == 0 && + (error = vdev_label_init(vd, crtxg, label)) == 0) { + VERIFY(nvlist_add_uint64(dev[i], ZPOOL_CONFIG_GUID, + vd->vdev_guid) == 0); + } + + vdev_free(vd); + + if (error && + (mode != VDEV_ALLOC_SPARE && mode != VDEV_ALLOC_L2CACHE)) + goto out; + else + error = 0; + } + +out: + sav->sav_pending = NULL; + sav->sav_npending = 0; + return (error); +} + +static int +spa_validate_aux(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) +{ + int error; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + if ((error = spa_validate_aux_devs(spa, nvroot, crtxg, mode, + &spa->spa_spares, ZPOOL_CONFIG_SPARES, SPA_VERSION_SPARES, + VDEV_LABEL_SPARE)) != 0) { + return (error); + } + + return (spa_validate_aux_devs(spa, nvroot, crtxg, mode, + &spa->spa_l2cache, ZPOOL_CONFIG_L2CACHE, SPA_VERSION_L2CACHE, + VDEV_LABEL_L2CACHE)); +} + +static void +spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs, + const char *config) +{ + int i; + + if (sav->sav_config != NULL) { + nvlist_t **olddevs; + uint_t oldndevs; + nvlist_t **newdevs; + + /* + * Generate new dev list by concatentating with the + * current dev list. + */ + VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config, + &olddevs, &oldndevs) == 0); + + newdevs = kmem_alloc(sizeof (void *) * + (ndevs + oldndevs), KM_SLEEP); + for (i = 0; i < oldndevs; i++) + VERIFY(nvlist_dup(olddevs[i], &newdevs[i], + KM_SLEEP) == 0); + for (i = 0; i < ndevs; i++) + VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs], + KM_SLEEP) == 0); + + VERIFY(nvlist_remove(sav->sav_config, config, + DATA_TYPE_NVLIST_ARRAY) == 0); + + VERIFY(nvlist_add_nvlist_array(sav->sav_config, + config, newdevs, ndevs + oldndevs) == 0); + for (i = 0; i < oldndevs + ndevs; i++) + nvlist_free(newdevs[i]); + kmem_free(newdevs, (oldndevs + ndevs) * sizeof (void *)); + } else { + /* + * Generate a new dev list. + */ + VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME, + KM_SLEEP) == 0); + VERIFY(nvlist_add_nvlist_array(sav->sav_config, config, + devs, ndevs) == 0); + } +} + +/* + * Stop and drop level 2 ARC devices + */ +void +spa_l2cache_drop(spa_t *spa) +{ + vdev_t *vd; + int i; + spa_aux_vdev_t *sav = &spa->spa_l2cache; + + for (i = 0; i < sav->sav_count; i++) { + uint64_t pool; + + vd = sav->sav_vdevs[i]; + ASSERT(vd != NULL); + + if (spa_l2cache_exists(vd->vdev_guid, &pool) && + pool != 0ULL && l2arc_vdev_present(vd)) + l2arc_remove_vdev(vd); + } +} + +/* + * Pool Creation + */ +int +spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, + nvlist_t *zplprops) +{ + spa_t *spa; + char *altroot = NULL; + vdev_t *rvd; + dsl_pool_t *dp; + dmu_tx_t *tx; + int error = 0; + uint64_t txg = TXG_INITIAL; + nvlist_t **spares, **l2cache; + uint_t nspares, nl2cache; + uint64_t version, obj; + boolean_t has_features; + nvpair_t *elem; + int c, i; + char *poolname; + nvlist_t *nvl; + + if (nvlist_lookup_string(props, "tname", &poolname) != 0) + poolname = (char *)pool; + + /* + * If this pool already exists, return failure. + */ + mutex_enter(&spa_namespace_lock); + if (spa_lookup(poolname) != NULL) { + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(EEXIST)); + } + + /* + * Allocate a new spa_t structure. + */ + nvl = fnvlist_alloc(); + fnvlist_add_string(nvl, ZPOOL_CONFIG_POOL_NAME, pool); + (void) nvlist_lookup_string(props, + zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); + spa = spa_add(poolname, nvl, altroot); + fnvlist_free(nvl); + spa_activate(spa, spa_mode_global); + + if (props && (error = spa_prop_validate(spa, props))) { + spa_deactivate(spa); + spa_remove(spa); + mutex_exit(&spa_namespace_lock); + return (error); + } + + /* + * Temporary pool names should never be written to disk. + */ + if (poolname != pool) + spa->spa_import_flags |= ZFS_IMPORT_TEMP_NAME; + + has_features = B_FALSE; + for (elem = nvlist_next_nvpair(props, NULL); + elem != NULL; elem = nvlist_next_nvpair(props, elem)) { + if (zpool_prop_feature(nvpair_name(elem))) + has_features = B_TRUE; + } + + if (has_features || nvlist_lookup_uint64(props, + zpool_prop_to_name(ZPOOL_PROP_VERSION), &version) != 0) { + version = SPA_VERSION; + } + ASSERT(SPA_VERSION_IS_SUPPORTED(version)); + + spa->spa_first_txg = txg; + spa->spa_uberblock.ub_txg = txg - 1; + spa->spa_uberblock.ub_version = version; + spa->spa_ubsync = spa->spa_uberblock; + + /* + * Create "The Godfather" zio to hold all async IOs + */ + spa->spa_async_zio_root = kmem_alloc(max_ncpus * sizeof (void *), + KM_SLEEP); + for (i = 0; i < max_ncpus; i++) { + spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | + ZIO_FLAG_GODFATHER); + } + + /* + * Create the root vdev. + */ + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + + error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); + + ASSERT(error != 0 || rvd != NULL); + ASSERT(error != 0 || spa->spa_root_vdev == rvd); + + if (error == 0 && !zfs_allocatable_devs(nvroot)) + error = SET_ERROR(EINVAL); + + if (error == 0 && + (error = vdev_create(rvd, txg, B_FALSE)) == 0 && + (error = spa_validate_aux(spa, nvroot, txg, + VDEV_ALLOC_ADD)) == 0) { + for (c = 0; c < rvd->vdev_children; c++) { + vdev_metaslab_set_size(rvd->vdev_child[c]); + vdev_expand(rvd->vdev_child[c], txg); + } + } + + spa_config_exit(spa, SCL_ALL, FTAG); + + if (error != 0) { + spa_unload(spa); + spa_deactivate(spa); + spa_remove(spa); + mutex_exit(&spa_namespace_lock); + return (error); + } + + /* + * Get the list of spares, if specified. + */ + if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, + &spares, &nspares) == 0) { + VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, + KM_SLEEP) == 0); + VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, spares, nspares) == 0); + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa_load_spares(spa); + spa_config_exit(spa, SCL_ALL, FTAG); + spa->spa_spares.sav_sync = B_TRUE; + } + + /* + * Get the list of level 2 cache devices, if specified. + */ + if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, + &l2cache, &nl2cache) == 0) { + VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, + NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, + ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa_load_l2cache(spa); + spa_config_exit(spa, SCL_ALL, FTAG); + spa->spa_l2cache.sav_sync = B_TRUE; + } + + spa->spa_is_initializing = B_TRUE; + spa->spa_dsl_pool = dp = dsl_pool_create(spa, zplprops, txg); + spa->spa_meta_objset = dp->dp_meta_objset; + spa->spa_is_initializing = B_FALSE; + + /* + * Create DDTs (dedup tables). + */ + ddt_create(spa); + + spa_update_dspace(spa); + + tx = dmu_tx_create_assigned(dp, txg); + + /* + * Create the pool config object. + */ + spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, + DMU_OT_PACKED_NVLIST, SPA_CONFIG_BLOCKSIZE, + DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); + + if (zap_add(spa->spa_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, + sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { + cmn_err(CE_PANIC, "failed to add pool config"); + } + + if (spa_version(spa) >= SPA_VERSION_FEATURES) + spa_feature_create_zap_objects(spa, tx); + + if (zap_add(spa->spa_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CREATION_VERSION, + sizeof (uint64_t), 1, &version, tx) != 0) { + cmn_err(CE_PANIC, "failed to add pool version"); + } + + /* Newly created pools with the right version are always deflated. */ + if (version >= SPA_VERSION_RAIDZ_DEFLATE) { + spa->spa_deflate = TRUE; + if (zap_add(spa->spa_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, + sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { + cmn_err(CE_PANIC, "failed to add deflate"); + } + } + + /* + * Create the deferred-free bpobj. Turn off compression + * because sync-to-convergence takes longer if the blocksize + * keeps changing. + */ + obj = bpobj_alloc(spa->spa_meta_objset, 1 << 14, tx); + dmu_object_set_compress(spa->spa_meta_objset, obj, + ZIO_COMPRESS_OFF, tx); + if (zap_add(spa->spa_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPOBJ, + sizeof (uint64_t), 1, &obj, tx) != 0) { + cmn_err(CE_PANIC, "failed to add bpobj"); + } + VERIFY3U(0, ==, bpobj_open(&spa->spa_deferred_bpobj, + spa->spa_meta_objset, obj)); + + /* + * Create the pool's history object. + */ + if (version >= SPA_VERSION_ZPOOL_HISTORY) + spa_history_create_obj(spa, tx); + + /* + * Set pool properties. + */ + spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); + spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); + spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); + spa->spa_autoexpand = zpool_prop_default_numeric(ZPOOL_PROP_AUTOEXPAND); + + if (props != NULL) { + spa_configfile_set(spa, props, B_FALSE); + spa_sync_props(props, tx); + } + + dmu_tx_commit(tx); + + spa->spa_sync_on = B_TRUE; + txg_sync_start(spa->spa_dsl_pool); + + /* + * We explicitly wait for the first transaction to complete so that our + * bean counters are appropriately updated. + */ + txg_wait_synced(spa->spa_dsl_pool, txg); + + spa_config_sync(spa, B_FALSE, B_TRUE); + + spa_history_log_version(spa, "create"); + + /* + * Don't count references from objsets that are already closed + * and are making their way through the eviction process. + */ + spa_evicting_os_wait(spa); + spa->spa_minref = refcount_count(&spa->spa_refcount); + + mutex_exit(&spa_namespace_lock); + + return (0); +} + +/* + * Import a non-root pool into the system. + */ +int +spa_import(char *pool, nvlist_t *config, nvlist_t *props, uint64_t flags) +{ + spa_t *spa; + char *altroot = NULL; + spa_load_state_t state = SPA_LOAD_IMPORT; + zpool_rewind_policy_t policy; + uint64_t mode = spa_mode_global; + uint64_t readonly = B_FALSE; + int error; + nvlist_t *nvroot; + nvlist_t **spares, **l2cache; + uint_t nspares, nl2cache; + + /* + * If a pool with this name exists, return failure. + */ + mutex_enter(&spa_namespace_lock); + if (spa_lookup(pool) != NULL) { + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(EEXIST)); + } + + /* + * Create and initialize the spa structure. + */ + (void) nvlist_lookup_string(props, + zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); + (void) nvlist_lookup_uint64(props, + zpool_prop_to_name(ZPOOL_PROP_READONLY), &readonly); + if (readonly) + mode = FREAD; + spa = spa_add(pool, config, altroot); + spa->spa_import_flags = flags; + + /* + * Verbatim import - Take a pool and insert it into the namespace + * as if it had been loaded at boot. + */ + if (spa->spa_import_flags & ZFS_IMPORT_VERBATIM) { + if (props != NULL) + spa_configfile_set(spa, props, B_FALSE); + + spa_config_sync(spa, B_FALSE, B_TRUE); + + mutex_exit(&spa_namespace_lock); + return (0); + } + + spa_activate(spa, mode); + + /* + * Don't start async tasks until we know everything is healthy. + */ + spa_async_suspend(spa); + + zpool_get_rewind_policy(config, &policy); + if (policy.zrp_request & ZPOOL_DO_REWIND) + state = SPA_LOAD_RECOVER; + + /* + * Pass off the heavy lifting to spa_load(). Pass TRUE for mosconfig + * because the user-supplied config is actually the one to trust when + * doing an import. + */ + if (state != SPA_LOAD_RECOVER) + spa->spa_last_ubsync_txg = spa->spa_load_txg = 0; + + error = spa_load_best(spa, state, B_TRUE, policy.zrp_txg, + policy.zrp_request); + + /* + * Propagate anything learned while loading the pool and pass it + * back to caller (i.e. rewind info, missing devices, etc). + */ + VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, + spa->spa_load_info) == 0); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + /* + * Toss any existing sparelist, as it doesn't have any validity + * anymore, and conflicts with spa_has_spare(). + */ + if (spa->spa_spares.sav_config) { + nvlist_free(spa->spa_spares.sav_config); + spa->spa_spares.sav_config = NULL; + spa_load_spares(spa); + } + if (spa->spa_l2cache.sav_config) { + nvlist_free(spa->spa_l2cache.sav_config); + spa->spa_l2cache.sav_config = NULL; + spa_load_l2cache(spa); + } + + VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, + &nvroot) == 0); + if (error == 0) + error = spa_validate_aux(spa, nvroot, -1ULL, + VDEV_ALLOC_SPARE); + if (error == 0) + error = spa_validate_aux(spa, nvroot, -1ULL, + VDEV_ALLOC_L2CACHE); + spa_config_exit(spa, SCL_ALL, FTAG); + + if (props != NULL) + spa_configfile_set(spa, props, B_FALSE); + + if (error != 0 || (props && spa_writeable(spa) && + (error = spa_prop_set(spa, props)))) { + spa_unload(spa); + spa_deactivate(spa); + spa_remove(spa); + mutex_exit(&spa_namespace_lock); + return (error); + } + + spa_async_resume(spa); + + /* + * Override any spares and level 2 cache devices as specified by + * the user, as these may have correct device names/devids, etc. + */ + if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, + &spares, &nspares) == 0) { + if (spa->spa_spares.sav_config) + VERIFY(nvlist_remove(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); + else + VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, + NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, spares, nspares) == 0); + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa_load_spares(spa); + spa_config_exit(spa, SCL_ALL, FTAG); + spa->spa_spares.sav_sync = B_TRUE; + } + if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, + &l2cache, &nl2cache) == 0) { + if (spa->spa_l2cache.sav_config) + VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, + ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); + else + VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, + NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, + ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa_load_l2cache(spa); + spa_config_exit(spa, SCL_ALL, FTAG); + spa->spa_l2cache.sav_sync = B_TRUE; + } + + /* + * Check for any removed devices. + */ + if (spa->spa_autoreplace) { + spa_aux_check_removed(&spa->spa_spares); + spa_aux_check_removed(&spa->spa_l2cache); + } + + if (spa_writeable(spa)) { + /* + * Update the config cache to include the newly-imported pool. + */ + spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); + } + + /* + * It's possible that the pool was expanded while it was exported. + * We kick off an async task to handle this for us. + */ + spa_async_request(spa, SPA_ASYNC_AUTOEXPAND); + + mutex_exit(&spa_namespace_lock); + spa_history_log_version(spa, "import"); + zvol_create_minors(spa, pool, B_TRUE); + + return (0); +} + +nvlist_t * +spa_tryimport(nvlist_t *tryconfig) +{ + nvlist_t *config = NULL; + char *poolname; + spa_t *spa; + uint64_t state; + int error; + + if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) + return (NULL); + + if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) + return (NULL); + + /* + * Create and initialize the spa structure. + */ + mutex_enter(&spa_namespace_lock); + spa = spa_add(TRYIMPORT_NAME, tryconfig, NULL); + spa_activate(spa, FREAD); + + /* + * Pass off the heavy lifting to spa_load(). + * Pass TRUE for mosconfig because the user-supplied config + * is actually the one to trust when doing an import. + */ + error = spa_load(spa, SPA_LOAD_TRYIMPORT, SPA_IMPORT_EXISTING, B_TRUE); + + /* + * If 'tryconfig' was at least parsable, return the current config. + */ + if (spa->spa_root_vdev != NULL) { + config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); + VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, + poolname) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, + state) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, + spa->spa_uberblock.ub_timestamp) == 0); + VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, + spa->spa_load_info) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_ERRATA, + spa->spa_errata) == 0); + + /* + * If the bootfs property exists on this pool then we + * copy it out so that external consumers can tell which + * pools are bootable. + */ + if ((!error || error == EEXIST) && spa->spa_bootfs) { + char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP); + + /* + * We have to play games with the name since the + * pool was opened as TRYIMPORT_NAME. + */ + if (dsl_dsobj_to_dsname(spa_name(spa), + spa->spa_bootfs, tmpname) == 0) { + char *cp; + char *dsname; + + dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP); + + cp = strchr(tmpname, '/'); + if (cp == NULL) { + (void) strlcpy(dsname, tmpname, + MAXPATHLEN); + } else { + (void) snprintf(dsname, MAXPATHLEN, + "%s/%s", poolname, ++cp); + } + VERIFY(nvlist_add_string(config, + ZPOOL_CONFIG_BOOTFS, dsname) == 0); + kmem_free(dsname, MAXPATHLEN); + } + kmem_free(tmpname, MAXPATHLEN); + } + + /* + * Add the list of hot spares and level 2 cache devices. + */ + spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); + spa_add_spares(spa, config); + spa_add_l2cache(spa, config); + spa_config_exit(spa, SCL_CONFIG, FTAG); + } + + spa_unload(spa); + spa_deactivate(spa); + spa_remove(spa); + mutex_exit(&spa_namespace_lock); + + return (config); +} + +/* + * Pool export/destroy + * + * The act of destroying or exporting a pool is very simple. We make sure there + * is no more pending I/O and any references to the pool are gone. Then, we + * update the pool state and sync all the labels to disk, removing the + * configuration from the cache afterwards. If the 'hardforce' flag is set, then + * we don't sync the labels or remove the configuration cache. + */ +static int +spa_export_common(char *pool, int new_state, nvlist_t **oldconfig, + boolean_t force, boolean_t hardforce) +{ + spa_t *spa; + + if (oldconfig) + *oldconfig = NULL; + + if (!(spa_mode_global & FWRITE)) + return (SET_ERROR(EROFS)); + + mutex_enter(&spa_namespace_lock); + if ((spa = spa_lookup(pool)) == NULL) { + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(ENOENT)); + } + + /* + * Put a hold on the pool, drop the namespace lock, stop async tasks, + * reacquire the namespace lock, and see if we can export. + */ + spa_open_ref(spa, FTAG); + mutex_exit(&spa_namespace_lock); + spa_async_suspend(spa); + if (spa->spa_zvol_taskq) { + zvol_remove_minors(spa, spa_name(spa), B_TRUE); + taskq_wait(spa->spa_zvol_taskq); + } + mutex_enter(&spa_namespace_lock); + spa_close(spa, FTAG); + + if (spa->spa_state == POOL_STATE_UNINITIALIZED) + goto export_spa; + /* + * The pool will be in core if it's openable, in which case we can + * modify its state. Objsets may be open only because they're dirty, + * so we have to force it to sync before checking spa_refcnt. + */ + if (spa->spa_sync_on) { + txg_wait_synced(spa->spa_dsl_pool, 0); + spa_evicting_os_wait(spa); + } + + /* + * A pool cannot be exported or destroyed if there are active + * references. If we are resetting a pool, allow references by + * fault injection handlers. + */ + if (!spa_refcount_zero(spa) || + (spa->spa_inject_ref != 0 && + new_state != POOL_STATE_UNINITIALIZED)) { + spa_async_resume(spa); + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(EBUSY)); + } + + if (spa->spa_sync_on) { + /* + * A pool cannot be exported if it has an active shared spare. + * This is to prevent other pools stealing the active spare + * from an exported pool. At user's own will, such pool can + * be forcedly exported. + */ + if (!force && new_state == POOL_STATE_EXPORTED && + spa_has_active_shared_spare(spa)) { + spa_async_resume(spa); + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(EXDEV)); + } + + /* + * We want this to be reflected on every label, + * so mark them all dirty. spa_unload() will do the + * final sync that pushes these changes out. + */ + if (new_state != POOL_STATE_UNINITIALIZED && !hardforce) { + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + spa->spa_state = new_state; + spa->spa_final_txg = spa_last_synced_txg(spa) + + TXG_DEFER_SIZE + 1; + vdev_config_dirty(spa->spa_root_vdev); + spa_config_exit(spa, SCL_ALL, FTAG); + } + } + +export_spa: + spa_event_notify(spa, NULL, FM_EREPORT_ZFS_POOL_DESTROY); + + if (spa->spa_state != POOL_STATE_UNINITIALIZED) { + spa_unload(spa); + spa_deactivate(spa); + } + + if (oldconfig && spa->spa_config) + VERIFY(nvlist_dup(spa->spa_config, oldconfig, 0) == 0); + + if (new_state != POOL_STATE_UNINITIALIZED) { + if (!hardforce) + spa_config_sync(spa, B_TRUE, B_TRUE); + spa_remove(spa); + } + mutex_exit(&spa_namespace_lock); + + return (0); +} + +/* + * Destroy a storage pool. + */ +int +spa_destroy(char *pool) +{ + return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL, + B_FALSE, B_FALSE)); +} + +/* + * Export a storage pool. + */ +int +spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, + boolean_t hardforce) +{ + return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig, + force, hardforce)); +} + +/* + * Similar to spa_export(), this unloads the spa_t without actually removing it + * from the namespace in any way. + */ +int +spa_reset(char *pool) +{ + return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL, + B_FALSE, B_FALSE)); +} + +/* + * ========================================================================== + * Device manipulation + * ========================================================================== + */ + +/* + * Add a device to a storage pool. + */ +int +spa_vdev_add(spa_t *spa, nvlist_t *nvroot) +{ + uint64_t txg, id; + int error; + vdev_t *rvd = spa->spa_root_vdev; + vdev_t *vd, *tvd; + nvlist_t **spares, **l2cache; + uint_t nspares, nl2cache; + int c; + + ASSERT(spa_writeable(spa)); + + txg = spa_vdev_enter(spa); + + if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, + VDEV_ALLOC_ADD)) != 0) + return (spa_vdev_exit(spa, NULL, txg, error)); + + spa->spa_pending_vdev = vd; /* spa_vdev_exit() will clear this */ + + if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, + &nspares) != 0) + nspares = 0; + + if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, + &nl2cache) != 0) + nl2cache = 0; + + if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0) + return (spa_vdev_exit(spa, vd, txg, EINVAL)); + + if (vd->vdev_children != 0 && + (error = vdev_create(vd, txg, B_FALSE)) != 0) + return (spa_vdev_exit(spa, vd, txg, error)); + + /* + * We must validate the spares and l2cache devices after checking the + * children. Otherwise, vdev_inuse() will blindly overwrite the spare. + */ + if ((error = spa_validate_aux(spa, nvroot, txg, VDEV_ALLOC_ADD)) != 0) + return (spa_vdev_exit(spa, vd, txg, error)); + + /* + * Transfer each new top-level vdev from vd to rvd. + */ + for (c = 0; c < vd->vdev_children; c++) { + + /* + * Set the vdev id to the first hole, if one exists. + */ + for (id = 0; id < rvd->vdev_children; id++) { + if (rvd->vdev_child[id]->vdev_ishole) { + vdev_free(rvd->vdev_child[id]); + break; + } + } + tvd = vd->vdev_child[c]; + vdev_remove_child(vd, tvd); + tvd->vdev_id = id; + vdev_add_child(rvd, tvd); + vdev_config_dirty(tvd); + } + + if (nspares != 0) { + spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, + ZPOOL_CONFIG_SPARES); + spa_load_spares(spa); + spa->spa_spares.sav_sync = B_TRUE; + } + + if (nl2cache != 0) { + spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, + ZPOOL_CONFIG_L2CACHE); + spa_load_l2cache(spa); + spa->spa_l2cache.sav_sync = B_TRUE; + } + + /* + * We have to be careful when adding new vdevs to an existing pool. + * If other threads start allocating from these vdevs before we + * sync the config cache, and we lose power, then upon reboot we may + * fail to open the pool because there are DVAs that the config cache + * can't translate. Therefore, we first add the vdevs without + * initializing metaslabs; sync the config cache (via spa_vdev_exit()); + * and then let spa_config_update() initialize the new metaslabs. + * + * spa_load() checks for added-but-not-initialized vdevs, so that + * if we lose power at any point in this sequence, the remaining + * steps will be completed the next time we load the pool. + */ + (void) spa_vdev_exit(spa, vd, txg, 0); + + mutex_enter(&spa_namespace_lock); + spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); + mutex_exit(&spa_namespace_lock); + + return (0); +} + +/* + * Attach a device to a mirror. The arguments are the path to any device + * in the mirror, and the nvroot for the new device. If the path specifies + * a device that is not mirrored, we automatically insert the mirror vdev. + * + * If 'replacing' is specified, the new device is intended to replace the + * existing device; in this case the two devices are made into their own + * mirror using the 'replacing' vdev, which is functionally identical to + * the mirror vdev (it actually reuses all the same ops) but has a few + * extra rules: you can't attach to it after it's been created, and upon + * completion of resilvering, the first disk (the one being replaced) + * is automatically detached. + */ +int +spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) +{ + uint64_t txg, dtl_max_txg; + vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; + vdev_ops_t *pvops; + char *oldvdpath, *newvdpath; + int newvd_isspare; + int error; + ASSERTV(vdev_t *rvd = spa->spa_root_vdev); + + ASSERT(spa_writeable(spa)); + + txg = spa_vdev_enter(spa); + + oldvd = spa_lookup_by_guid(spa, guid, B_FALSE); + + if (oldvd == NULL) + return (spa_vdev_exit(spa, NULL, txg, ENODEV)); + + if (!oldvd->vdev_ops->vdev_op_leaf) + return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); + + pvd = oldvd->vdev_parent; + + if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, + VDEV_ALLOC_ATTACH)) != 0) + return (spa_vdev_exit(spa, NULL, txg, EINVAL)); + + if (newrootvd->vdev_children != 1) + return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); + + newvd = newrootvd->vdev_child[0]; + + if (!newvd->vdev_ops->vdev_op_leaf) + return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); + + if ((error = vdev_create(newrootvd, txg, replacing)) != 0) + return (spa_vdev_exit(spa, newrootvd, txg, error)); + + /* + * Spares can't replace logs + */ + if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare) + return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); + + if (!replacing) { + /* + * For attach, the only allowable parent is a mirror or the root + * vdev. + */ + if (pvd->vdev_ops != &vdev_mirror_ops && + pvd->vdev_ops != &vdev_root_ops) + return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); + + pvops = &vdev_mirror_ops; + } else { + /* + * Active hot spares can only be replaced by inactive hot + * spares. + */ + if (pvd->vdev_ops == &vdev_spare_ops && + oldvd->vdev_isspare && + !spa_has_spare(spa, newvd->vdev_guid)) + return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); + + /* + * If the source is a hot spare, and the parent isn't already a + * spare, then we want to create a new hot spare. Otherwise, we + * want to create a replacing vdev. The user is not allowed to + * attach to a spared vdev child unless the 'isspare' state is + * the same (spare replaces spare, non-spare replaces + * non-spare). + */ + if (pvd->vdev_ops == &vdev_replacing_ops && + spa_version(spa) < SPA_VERSION_MULTI_REPLACE) { + return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); + } else if (pvd->vdev_ops == &vdev_spare_ops && + newvd->vdev_isspare != oldvd->vdev_isspare) { + return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); + } + + if (newvd->vdev_isspare) + pvops = &vdev_spare_ops; + else + pvops = &vdev_replacing_ops; + } + + /* + * Make sure the new device is big enough. + */ + if (newvd->vdev_asize < vdev_get_min_asize(oldvd)) + return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); + + /* + * The new device cannot have a higher alignment requirement + * than the top-level vdev. + */ + if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) + return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); + + /* + * If this is an in-place replacement, update oldvd's path and devid + * to make it distinguishable from newvd, and unopenable from now on. + */ + if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { + spa_strfree(oldvd->vdev_path); + oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, + KM_SLEEP); + (void) sprintf(oldvd->vdev_path, "%s/%s", + newvd->vdev_path, "old"); + if (oldvd->vdev_devid != NULL) { + spa_strfree(oldvd->vdev_devid); + oldvd->vdev_devid = NULL; + } + } + + /* mark the device being resilvered */ + newvd->vdev_resilver_txg = txg; + + /* + * If the parent is not a mirror, or if we're replacing, insert the new + * mirror/replacing/spare vdev above oldvd. + */ + if (pvd->vdev_ops != pvops) + pvd = vdev_add_parent(oldvd, pvops); + + ASSERT(pvd->vdev_top->vdev_parent == rvd); + ASSERT(pvd->vdev_ops == pvops); + ASSERT(oldvd->vdev_parent == pvd); + + /* + * Extract the new device from its root and add it to pvd. + */ + vdev_remove_child(newrootvd, newvd); + newvd->vdev_id = pvd->vdev_children; + newvd->vdev_crtxg = oldvd->vdev_crtxg; + vdev_add_child(pvd, newvd); + + tvd = newvd->vdev_top; + ASSERT(pvd->vdev_top == tvd); + ASSERT(tvd->vdev_parent == rvd); + + vdev_config_dirty(tvd); + + /* + * Set newvd's DTL to [TXG_INITIAL, dtl_max_txg) so that we account + * for any dmu_sync-ed blocks. It will propagate upward when + * spa_vdev_exit() calls vdev_dtl_reassess(). + */ + dtl_max_txg = txg + TXG_CONCURRENT_STATES; + + vdev_dtl_dirty(newvd, DTL_MISSING, TXG_INITIAL, + dtl_max_txg - TXG_INITIAL); + + if (newvd->vdev_isspare) { + spa_spare_activate(newvd); + spa_event_notify(spa, newvd, FM_EREPORT_ZFS_DEVICE_SPARE); + } + + oldvdpath = spa_strdup(oldvd->vdev_path); + newvdpath = spa_strdup(newvd->vdev_path); + newvd_isspare = newvd->vdev_isspare; + + /* + * Mark newvd's DTL dirty in this txg. + */ + vdev_dirty(tvd, VDD_DTL, newvd, txg); + + /* + * Schedule the resilver to restart in the future. We do this to + * ensure that dmu_sync-ed blocks have been stitched into the + * respective datasets. + */ + dsl_resilver_restart(spa->spa_dsl_pool, dtl_max_txg); + + /* + * Commit the config + */ + (void) spa_vdev_exit(spa, newrootvd, dtl_max_txg, 0); + + spa_history_log_internal(spa, "vdev attach", NULL, + "%s vdev=%s %s vdev=%s", + replacing && newvd_isspare ? "spare in" : + replacing ? "replace" : "attach", newvdpath, + replacing ? "for" : "to", oldvdpath); + + spa_strfree(oldvdpath); + spa_strfree(newvdpath); + + if (spa->spa_bootfs) + spa_event_notify(spa, newvd, FM_EREPORT_ZFS_BOOTFS_VDEV_ATTACH); + + return (0); +} + +/* + * Detach a device from a mirror or replacing vdev. + * + * If 'replace_done' is specified, only detach if the parent + * is a replacing vdev. + */ +int +spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done) +{ + uint64_t txg; + int error; + vdev_t *vd, *pvd, *cvd, *tvd; + boolean_t unspare = B_FALSE; + uint64_t unspare_guid = 0; + char *vdpath; + int c, t; + ASSERTV(vdev_t *rvd = spa->spa_root_vdev); + ASSERT(spa_writeable(spa)); + + txg = spa_vdev_enter(spa); + + vd = spa_lookup_by_guid(spa, guid, B_FALSE); + + if (vd == NULL) + return (spa_vdev_exit(spa, NULL, txg, ENODEV)); + + if (!vd->vdev_ops->vdev_op_leaf) + return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); + + pvd = vd->vdev_parent; + + /* + * If the parent/child relationship is not as expected, don't do it. + * Consider M(A,R(B,C)) -- that is, a mirror of A with a replacing + * vdev that's replacing B with C. The user's intent in replacing + * is to go from M(A,B) to M(A,C). If the user decides to cancel + * the replace by detaching C, the expected behavior is to end up + * M(A,B). But suppose that right after deciding to detach C, + * the replacement of B completes. We would have M(A,C), and then + * ask to detach C, which would leave us with just A -- not what + * the user wanted. To prevent this, we make sure that the + * parent/child relationship hasn't changed -- in this example, + * that C's parent is still the replacing vdev R. + */ + if (pvd->vdev_guid != pguid && pguid != 0) + return (spa_vdev_exit(spa, NULL, txg, EBUSY)); + + /* + * Only 'replacing' or 'spare' vdevs can be replaced. + */ + if (replace_done && pvd->vdev_ops != &vdev_replacing_ops && + pvd->vdev_ops != &vdev_spare_ops) + return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); + + ASSERT(pvd->vdev_ops != &vdev_spare_ops || + spa_version(spa) >= SPA_VERSION_SPARES); + + /* + * Only mirror, replacing, and spare vdevs support detach. + */ + if (pvd->vdev_ops != &vdev_replacing_ops && + pvd->vdev_ops != &vdev_mirror_ops && + pvd->vdev_ops != &vdev_spare_ops) + return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); + + /* + * If this device has the only valid copy of some data, + * we cannot safely detach it. + */ + if (vdev_dtl_required(vd)) + return (spa_vdev_exit(spa, NULL, txg, EBUSY)); + + ASSERT(pvd->vdev_children >= 2); + + /* + * If we are detaching the second disk from a replacing vdev, then + * check to see if we changed the original vdev's path to have "/old" + * at the end in spa_vdev_attach(). If so, undo that change now. + */ + if (pvd->vdev_ops == &vdev_replacing_ops && vd->vdev_id > 0 && + vd->vdev_path != NULL) { + size_t len = strlen(vd->vdev_path); + + for (c = 0; c < pvd->vdev_children; c++) { + cvd = pvd->vdev_child[c]; + + if (cvd == vd || cvd->vdev_path == NULL) + continue; + + if (strncmp(cvd->vdev_path, vd->vdev_path, len) == 0 && + strcmp(cvd->vdev_path + len, "/old") == 0) { + spa_strfree(cvd->vdev_path); + cvd->vdev_path = spa_strdup(vd->vdev_path); + break; + } + } + } + + /* + * If we are detaching the original disk from a spare, then it implies + * that the spare should become a real disk, and be removed from the + * active spare list for the pool. + */ + if (pvd->vdev_ops == &vdev_spare_ops && + vd->vdev_id == 0 && + pvd->vdev_child[pvd->vdev_children - 1]->vdev_isspare) + unspare = B_TRUE; + + /* + * Erase the disk labels so the disk can be used for other things. + * This must be done after all other error cases are handled, + * but before we disembowel vd (so we can still do I/O to it). + * But if we can't do it, don't treat the error as fatal -- + * it may be that the unwritability of the disk is the reason + * it's being detached! + */ + error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); + + /* + * Remove vd from its parent and compact the parent's children. + */ + vdev_remove_child(pvd, vd); + vdev_compact_children(pvd); + + /* + * Remember one of the remaining children so we can get tvd below. + */ + cvd = pvd->vdev_child[pvd->vdev_children - 1]; + + /* + * If we need to remove the remaining child from the list of hot spares, + * do it now, marking the vdev as no longer a spare in the process. + * We must do this before vdev_remove_parent(), because that can + * change the GUID if it creates a new toplevel GUID. For a similar + * reason, we must remove the spare now, in the same txg as the detach; + * otherwise someone could attach a new sibling, change the GUID, and + * the subsequent attempt to spa_vdev_remove(unspare_guid) would fail. + */ + if (unspare) { + ASSERT(cvd->vdev_isspare); + spa_spare_remove(cvd); + unspare_guid = cvd->vdev_guid; + (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); + cvd->vdev_unspare = B_TRUE; + } + + /* + * If the parent mirror/replacing vdev only has one child, + * the parent is no longer needed. Remove it from the tree. + */ + if (pvd->vdev_children == 1) { + if (pvd->vdev_ops == &vdev_spare_ops) + cvd->vdev_unspare = B_FALSE; + vdev_remove_parent(cvd); + } + + + /* + * We don't set tvd until now because the parent we just removed + * may have been the previous top-level vdev. + */ + tvd = cvd->vdev_top; + ASSERT(tvd->vdev_parent == rvd); + + /* + * Reevaluate the parent vdev state. + */ + vdev_propagate_state(cvd); + + /* + * If the 'autoexpand' property is set on the pool then automatically + * try to expand the size of the pool. For example if the device we + * just detached was smaller than the others, it may be possible to + * add metaslabs (i.e. grow the pool). We need to reopen the vdev + * first so that we can obtain the updated sizes of the leaf vdevs. + */ + if (spa->spa_autoexpand) { + vdev_reopen(tvd); + vdev_expand(tvd, txg); + } + + vdev_config_dirty(tvd); + + /* + * Mark vd's DTL as dirty in this txg. vdev_dtl_sync() will see that + * vd->vdev_detached is set and free vd's DTL object in syncing context. + * But first make sure we're not on any *other* txg's DTL list, to + * prevent vd from being accessed after it's freed. + */ + vdpath = spa_strdup(vd->vdev_path); + for (t = 0; t < TXG_SIZE; t++) + (void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); + vd->vdev_detached = B_TRUE; + vdev_dirty(tvd, VDD_DTL, vd, txg); + + spa_event_notify(spa, vd, FM_EREPORT_ZFS_DEVICE_REMOVE); + + /* hang on to the spa before we release the lock */ + spa_open_ref(spa, FTAG); + + error = spa_vdev_exit(spa, vd, txg, 0); + + spa_history_log_internal(spa, "detach", NULL, + "vdev=%s", vdpath); + spa_strfree(vdpath); + + /* + * If this was the removal of the original device in a hot spare vdev, + * then we want to go through and remove the device from the hot spare + * list of every other pool. + */ + if (unspare) { + spa_t *altspa = NULL; + + mutex_enter(&spa_namespace_lock); + while ((altspa = spa_next(altspa)) != NULL) { + if (altspa->spa_state != POOL_STATE_ACTIVE || + altspa == spa) + continue; + + spa_open_ref(altspa, FTAG); + mutex_exit(&spa_namespace_lock); + (void) spa_vdev_remove(altspa, unspare_guid, B_TRUE); + mutex_enter(&spa_namespace_lock); + spa_close(altspa, FTAG); + } + mutex_exit(&spa_namespace_lock); + + /* search the rest of the vdevs for spares to remove */ + spa_vdev_resilver_done(spa); + } + + /* all done with the spa; OK to release */ + mutex_enter(&spa_namespace_lock); + spa_close(spa, FTAG); + mutex_exit(&spa_namespace_lock); + + return (error); +} + +/* + * Split a set of devices from their mirrors, and create a new pool from them. + */ +int +spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config, + nvlist_t *props, boolean_t exp) +{ + int error = 0; + uint64_t txg, *glist; + spa_t *newspa; + uint_t c, children, lastlog; + nvlist_t **child, *nvl, *tmp; + dmu_tx_t *tx; + char *altroot = NULL; + vdev_t *rvd, **vml = NULL; /* vdev modify list */ + boolean_t activate_slog; + + ASSERT(spa_writeable(spa)); + + txg = spa_vdev_enter(spa); + + /* clear the log and flush everything up to now */ + activate_slog = spa_passivate_log(spa); + (void) spa_vdev_config_exit(spa, NULL, txg, 0, FTAG); + error = spa_offline_log(spa); + txg = spa_vdev_config_enter(spa); + + if (activate_slog) + spa_activate_log(spa); + + if (error != 0) + return (spa_vdev_exit(spa, NULL, txg, error)); + + /* check new spa name before going any further */ + if (spa_lookup(newname) != NULL) + return (spa_vdev_exit(spa, NULL, txg, EEXIST)); + + /* + * scan through all the children to ensure they're all mirrors + */ + if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvl) != 0 || + nvlist_lookup_nvlist_array(nvl, ZPOOL_CONFIG_CHILDREN, &child, + &children) != 0) + return (spa_vdev_exit(spa, NULL, txg, EINVAL)); + + /* first, check to ensure we've got the right child count */ + rvd = spa->spa_root_vdev; + lastlog = 0; + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *vd = rvd->vdev_child[c]; + + /* don't count the holes & logs as children */ + if (vd->vdev_islog || vd->vdev_ishole) { + if (lastlog == 0) + lastlog = c; + continue; + } + + lastlog = 0; + } + if (children != (lastlog != 0 ? lastlog : rvd->vdev_children)) + return (spa_vdev_exit(spa, NULL, txg, EINVAL)); + + /* next, ensure no spare or cache devices are part of the split */ + if (nvlist_lookup_nvlist(nvl, ZPOOL_CONFIG_SPARES, &tmp) == 0 || + nvlist_lookup_nvlist(nvl, ZPOOL_CONFIG_L2CACHE, &tmp) == 0) + return (spa_vdev_exit(spa, NULL, txg, EINVAL)); + + vml = kmem_zalloc(children * sizeof (vdev_t *), KM_SLEEP); + glist = kmem_zalloc(children * sizeof (uint64_t), KM_SLEEP); + + /* then, loop over each vdev and validate it */ + for (c = 0; c < children; c++) { + uint64_t is_hole = 0; + + (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, + &is_hole); + + if (is_hole != 0) { + if (spa->spa_root_vdev->vdev_child[c]->vdev_ishole || + spa->spa_root_vdev->vdev_child[c]->vdev_islog) { + continue; + } else { + error = SET_ERROR(EINVAL); + break; + } + } + + /* which disk is going to be split? */ + if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_GUID, + &glist[c]) != 0) { + error = SET_ERROR(EINVAL); + break; + } + + /* look it up in the spa */ + vml[c] = spa_lookup_by_guid(spa, glist[c], B_FALSE); + if (vml[c] == NULL) { + error = SET_ERROR(ENODEV); + break; + } + + /* make sure there's nothing stopping the split */ + if (vml[c]->vdev_parent->vdev_ops != &vdev_mirror_ops || + vml[c]->vdev_islog || + vml[c]->vdev_ishole || + vml[c]->vdev_isspare || + vml[c]->vdev_isl2cache || + !vdev_writeable(vml[c]) || + vml[c]->vdev_children != 0 || + vml[c]->vdev_state != VDEV_STATE_HEALTHY || + c != spa->spa_root_vdev->vdev_child[c]->vdev_id) { + error = SET_ERROR(EINVAL); + break; + } + + if (vdev_dtl_required(vml[c])) { + error = SET_ERROR(EBUSY); + break; + } + + /* we need certain info from the top level */ + VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_METASLAB_ARRAY, + vml[c]->vdev_top->vdev_ms_array) == 0); + VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_METASLAB_SHIFT, + vml[c]->vdev_top->vdev_ms_shift) == 0); + VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_ASIZE, + vml[c]->vdev_top->vdev_asize) == 0); + VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_ASHIFT, + vml[c]->vdev_top->vdev_ashift) == 0); + } + + if (error != 0) { + kmem_free(vml, children * sizeof (vdev_t *)); + kmem_free(glist, children * sizeof (uint64_t)); + return (spa_vdev_exit(spa, NULL, txg, error)); + } + + /* stop writers from using the disks */ + for (c = 0; c < children; c++) { + if (vml[c] != NULL) + vml[c]->vdev_offline = B_TRUE; + } + vdev_reopen(spa->spa_root_vdev); + + /* + * Temporarily record the splitting vdevs in the spa config. This + * will disappear once the config is regenerated. + */ + VERIFY(nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_uint64_array(nvl, ZPOOL_CONFIG_SPLIT_LIST, + glist, children) == 0); + kmem_free(glist, children * sizeof (uint64_t)); + + mutex_enter(&spa->spa_props_lock); + VERIFY(nvlist_add_nvlist(spa->spa_config, ZPOOL_CONFIG_SPLIT, + nvl) == 0); + mutex_exit(&spa->spa_props_lock); + spa->spa_config_splitting = nvl; + vdev_config_dirty(spa->spa_root_vdev); + + /* configure and create the new pool */ + VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, newname) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, + exp ? POOL_STATE_EXPORTED : POOL_STATE_ACTIVE) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_VERSION, + spa_version(spa)) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_TXG, + spa->spa_config_txg) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_GUID, + spa_generate_guid(NULL)) == 0); + (void) nvlist_lookup_string(props, + zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); + + /* add the new pool to the namespace */ + newspa = spa_add(newname, config, altroot); + newspa->spa_config_txg = spa->spa_config_txg; + spa_set_log_state(newspa, SPA_LOG_CLEAR); + + /* release the spa config lock, retaining the namespace lock */ + spa_vdev_config_exit(spa, NULL, txg, 0, FTAG); + + if (zio_injection_enabled) + zio_handle_panic_injection(spa, FTAG, 1); + + spa_activate(newspa, spa_mode_global); + spa_async_suspend(newspa); + + /* create the new pool from the disks of the original pool */ + error = spa_load(newspa, SPA_LOAD_IMPORT, SPA_IMPORT_ASSEMBLE, B_TRUE); + if (error) + goto out; + + /* if that worked, generate a real config for the new pool */ + if (newspa->spa_root_vdev != NULL) { + VERIFY(nvlist_alloc(&newspa->spa_config_splitting, + NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_uint64(newspa->spa_config_splitting, + ZPOOL_CONFIG_SPLIT_GUID, spa_guid(spa)) == 0); + spa_config_set(newspa, spa_config_generate(newspa, NULL, -1ULL, + B_TRUE)); + } + + /* set the props */ + if (props != NULL) { + spa_configfile_set(newspa, props, B_FALSE); + error = spa_prop_set(newspa, props); + if (error) + goto out; + } + + /* flush everything */ + txg = spa_vdev_config_enter(newspa); + vdev_config_dirty(newspa->spa_root_vdev); + (void) spa_vdev_config_exit(newspa, NULL, txg, 0, FTAG); + + if (zio_injection_enabled) + zio_handle_panic_injection(spa, FTAG, 2); + + spa_async_resume(newspa); + + /* finally, update the original pool's config */ + txg = spa_vdev_config_enter(spa); + tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error != 0) + dmu_tx_abort(tx); + for (c = 0; c < children; c++) { + if (vml[c] != NULL) { + vdev_split(vml[c]); + if (error == 0) + spa_history_log_internal(spa, "detach", tx, + "vdev=%s", vml[c]->vdev_path); + vdev_free(vml[c]); + } + } + vdev_config_dirty(spa->spa_root_vdev); + spa->spa_config_splitting = NULL; + nvlist_free(nvl); + if (error == 0) + dmu_tx_commit(tx); + (void) spa_vdev_exit(spa, NULL, txg, 0); + + if (zio_injection_enabled) + zio_handle_panic_injection(spa, FTAG, 3); + + /* split is complete; log a history record */ + spa_history_log_internal(newspa, "split", NULL, + "from pool %s", spa_name(spa)); + + kmem_free(vml, children * sizeof (vdev_t *)); + + /* if we're not going to mount the filesystems in userland, export */ + if (exp) + error = spa_export_common(newname, POOL_STATE_EXPORTED, NULL, + B_FALSE, B_FALSE); + + return (error); + +out: + spa_unload(newspa); + spa_deactivate(newspa); + spa_remove(newspa); + + txg = spa_vdev_config_enter(spa); + + /* re-online all offlined disks */ + for (c = 0; c < children; c++) { + if (vml[c] != NULL) + vml[c]->vdev_offline = B_FALSE; + } + vdev_reopen(spa->spa_root_vdev); + + nvlist_free(spa->spa_config_splitting); + spa->spa_config_splitting = NULL; + (void) spa_vdev_exit(spa, NULL, txg, error); + + kmem_free(vml, children * sizeof (vdev_t *)); + return (error); +} + +static nvlist_t * +spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid) +{ + int i; + + for (i = 0; i < count; i++) { + uint64_t guid; + + VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID, + &guid) == 0); + + if (guid == target_guid) + return (nvpp[i]); + } + + return (NULL); +} + +static void +spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count, + nvlist_t *dev_to_remove) +{ + nvlist_t **newdev = NULL; + int i, j; + + if (count > 1) + newdev = kmem_alloc((count - 1) * sizeof (void *), KM_SLEEP); + + for (i = 0, j = 0; i < count; i++) { + if (dev[i] == dev_to_remove) + continue; + VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0); + } + + VERIFY(nvlist_remove(config, name, DATA_TYPE_NVLIST_ARRAY) == 0); + VERIFY(nvlist_add_nvlist_array(config, name, newdev, count - 1) == 0); + + for (i = 0; i < count - 1; i++) + nvlist_free(newdev[i]); + + if (count > 1) + kmem_free(newdev, (count - 1) * sizeof (void *)); +} + +/* + * Evacuate the device. + */ +static int +spa_vdev_remove_evacuate(spa_t *spa, vdev_t *vd) +{ + uint64_t txg; + int error = 0; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); + ASSERT(vd == vd->vdev_top); + + /* + * Evacuate the device. We don't hold the config lock as writer + * since we need to do I/O but we do keep the + * spa_namespace_lock held. Once this completes the device + * should no longer have any blocks allocated on it. + */ + if (vd->vdev_islog) { + if (vd->vdev_stat.vs_alloc != 0) + error = spa_offline_log(spa); + } else { + error = SET_ERROR(ENOTSUP); + } + + if (error) + return (error); + + /* + * The evacuation succeeded. Remove any remaining MOS metadata + * associated with this vdev, and wait for these changes to sync. + */ + ASSERT0(vd->vdev_stat.vs_alloc); + txg = spa_vdev_config_enter(spa); + vd->vdev_removing = B_TRUE; + vdev_dirty_leaves(vd, VDD_DTL, txg); + vdev_config_dirty(vd); + spa_vdev_config_exit(spa, NULL, txg, 0, FTAG); + + return (0); +} + +/* + * Complete the removal by cleaning up the namespace. + */ +static void +spa_vdev_remove_from_namespace(spa_t *spa, vdev_t *vd) +{ + vdev_t *rvd = spa->spa_root_vdev; + uint64_t id = vd->vdev_id; + boolean_t last_vdev = (id == (rvd->vdev_children - 1)); + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + ASSERT(vd == vd->vdev_top); + + /* + * Only remove any devices which are empty. + */ + if (vd->vdev_stat.vs_alloc != 0) + return; + + (void) vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); + + if (list_link_active(&vd->vdev_state_dirty_node)) + vdev_state_clean(vd); + if (list_link_active(&vd->vdev_config_dirty_node)) + vdev_config_clean(vd); + + vdev_free(vd); + + if (last_vdev) { + vdev_compact_children(rvd); + } else { + vd = vdev_alloc_common(spa, id, 0, &vdev_hole_ops); + vdev_add_child(rvd, vd); + } + vdev_config_dirty(rvd); + + /* + * Reassess the health of our root vdev. + */ + vdev_reopen(rvd); +} + +/* + * Remove a device from the pool - + * + * Removing a device from the vdev namespace requires several steps + * and can take a significant amount of time. As a result we use + * the spa_vdev_config_[enter/exit] functions which allow us to + * grab and release the spa_config_lock while still holding the namespace + * lock. During each step the configuration is synced out. + * + * Currently, this supports removing only hot spares, slogs, and level 2 ARC + * devices. + */ +int +spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) +{ + vdev_t *vd; + metaslab_group_t *mg; + nvlist_t **spares, **l2cache, *nv; + uint64_t txg = 0; + uint_t nspares, nl2cache; + int error = 0; + boolean_t locked = MUTEX_HELD(&spa_namespace_lock); + + ASSERT(spa_writeable(spa)); + + if (!locked) + txg = spa_vdev_enter(spa); + + vd = spa_lookup_by_guid(spa, guid, B_FALSE); + + if (spa->spa_spares.sav_vdevs != NULL && + nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0 && + (nv = spa_nvlist_lookup_by_guid(spares, nspares, guid)) != NULL) { + /* + * Only remove the hot spare if it's not currently in use + * in this pool. + */ + if (vd == NULL || unspare) { + spa_vdev_remove_aux(spa->spa_spares.sav_config, + ZPOOL_CONFIG_SPARES, spares, nspares, nv); + spa_load_spares(spa); + spa->spa_spares.sav_sync = B_TRUE; + } else { + error = SET_ERROR(EBUSY); + } + } else if (spa->spa_l2cache.sav_vdevs != NULL && + nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, + ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0 && + (nv = spa_nvlist_lookup_by_guid(l2cache, nl2cache, guid)) != NULL) { + /* + * Cache devices can always be removed. + */ + spa_vdev_remove_aux(spa->spa_l2cache.sav_config, + ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache, nv); + spa_load_l2cache(spa); + spa->spa_l2cache.sav_sync = B_TRUE; + } else if (vd != NULL && vd->vdev_islog) { + ASSERT(!locked); + ASSERT(vd == vd->vdev_top); + + mg = vd->vdev_mg; + + /* + * Stop allocating from this vdev. + */ + metaslab_group_passivate(mg); + + /* + * Wait for the youngest allocations and frees to sync, + * and then wait for the deferral of those frees to finish. + */ + spa_vdev_config_exit(spa, NULL, + txg + TXG_CONCURRENT_STATES + TXG_DEFER_SIZE, 0, FTAG); + + /* + * Attempt to evacuate the vdev. + */ + error = spa_vdev_remove_evacuate(spa, vd); + + txg = spa_vdev_config_enter(spa); + + /* + * If we couldn't evacuate the vdev, unwind. + */ + if (error) { + metaslab_group_activate(mg); + return (spa_vdev_exit(spa, NULL, txg, error)); + } + + /* + * Clean up the vdev namespace. + */ + spa_vdev_remove_from_namespace(spa, vd); + + } else if (vd != NULL) { + /* + * Normal vdevs cannot be removed (yet). + */ + error = SET_ERROR(ENOTSUP); + } else { + /* + * There is no vdev of any kind with the specified guid. + */ + error = SET_ERROR(ENOENT); + } + + if (!locked) + return (spa_vdev_exit(spa, NULL, txg, error)); + + return (error); +} + +/* + * Find any device that's done replacing, or a vdev marked 'unspare' that's + * currently spared, so we can detach it. + */ +static vdev_t * +spa_vdev_resilver_done_hunt(vdev_t *vd) +{ + vdev_t *newvd, *oldvd; + int c; + + for (c = 0; c < vd->vdev_children; c++) { + oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); + if (oldvd != NULL) + return (oldvd); + } + + /* + * Check for a completed replacement. We always consider the first + * vdev in the list to be the oldest vdev, and the last one to be + * the newest (see spa_vdev_attach() for how that works). In + * the case where the newest vdev is faulted, we will not automatically + * remove it after a resilver completes. This is OK as it will require + * user intervention to determine which disk the admin wishes to keep. + */ + if (vd->vdev_ops == &vdev_replacing_ops) { + ASSERT(vd->vdev_children > 1); + + newvd = vd->vdev_child[vd->vdev_children - 1]; + oldvd = vd->vdev_child[0]; + + if (vdev_dtl_empty(newvd, DTL_MISSING) && + vdev_dtl_empty(newvd, DTL_OUTAGE) && + !vdev_dtl_required(oldvd)) + return (oldvd); + } + + /* + * Check for a completed resilver with the 'unspare' flag set. + */ + if (vd->vdev_ops == &vdev_spare_ops) { + vdev_t *first = vd->vdev_child[0]; + vdev_t *last = vd->vdev_child[vd->vdev_children - 1]; + + if (last->vdev_unspare) { + oldvd = first; + newvd = last; + } else if (first->vdev_unspare) { + oldvd = last; + newvd = first; + } else { + oldvd = NULL; + } + + if (oldvd != NULL && + vdev_dtl_empty(newvd, DTL_MISSING) && + vdev_dtl_empty(newvd, DTL_OUTAGE) && + !vdev_dtl_required(oldvd)) + return (oldvd); + + /* + * If there are more than two spares attached to a disk, + * and those spares are not required, then we want to + * attempt to free them up now so that they can be used + * by other pools. Once we're back down to a single + * disk+spare, we stop removing them. + */ + if (vd->vdev_children > 2) { + newvd = vd->vdev_child[1]; + + if (newvd->vdev_isspare && last->vdev_isspare && + vdev_dtl_empty(last, DTL_MISSING) && + vdev_dtl_empty(last, DTL_OUTAGE) && + !vdev_dtl_required(newvd)) + return (newvd); + } + } + + return (NULL); +} + +static void +spa_vdev_resilver_done(spa_t *spa) +{ + vdev_t *vd, *pvd, *ppvd; + uint64_t guid, sguid, pguid, ppguid; + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + + while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) { + pvd = vd->vdev_parent; + ppvd = pvd->vdev_parent; + guid = vd->vdev_guid; + pguid = pvd->vdev_guid; + ppguid = ppvd->vdev_guid; + sguid = 0; + /* + * If we have just finished replacing a hot spared device, then + * we need to detach the parent's first child (the original hot + * spare) as well. + */ + if (ppvd->vdev_ops == &vdev_spare_ops && pvd->vdev_id == 0 && + ppvd->vdev_children == 2) { + ASSERT(pvd->vdev_ops == &vdev_replacing_ops); + sguid = ppvd->vdev_child[1]->vdev_guid; + } + ASSERT(vd->vdev_resilver_txg == 0 || !vdev_dtl_required(vd)); + + spa_config_exit(spa, SCL_ALL, FTAG); + if (spa_vdev_detach(spa, guid, pguid, B_TRUE) != 0) + return; + if (sguid && spa_vdev_detach(spa, sguid, ppguid, B_TRUE) != 0) + return; + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + } + + spa_config_exit(spa, SCL_ALL, FTAG); +} + +/* + * Update the stored path or FRU for this vdev. + */ +int +spa_vdev_set_common(spa_t *spa, uint64_t guid, const char *value, + boolean_t ispath) +{ + vdev_t *vd; + boolean_t sync = B_FALSE; + + ASSERT(spa_writeable(spa)); + + spa_vdev_state_enter(spa, SCL_ALL); + + if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) + return (spa_vdev_state_exit(spa, NULL, ENOENT)); + + if (!vd->vdev_ops->vdev_op_leaf) + return (spa_vdev_state_exit(spa, NULL, ENOTSUP)); + + if (ispath) { + if (strcmp(value, vd->vdev_path) != 0) { + spa_strfree(vd->vdev_path); + vd->vdev_path = spa_strdup(value); + sync = B_TRUE; + } + } else { + if (vd->vdev_fru == NULL) { + vd->vdev_fru = spa_strdup(value); + sync = B_TRUE; + } else if (strcmp(value, vd->vdev_fru) != 0) { + spa_strfree(vd->vdev_fru); + vd->vdev_fru = spa_strdup(value); + sync = B_TRUE; + } + } + + return (spa_vdev_state_exit(spa, sync ? vd : NULL, 0)); +} + +int +spa_vdev_setpath(spa_t *spa, uint64_t guid, const char *newpath) +{ + return (spa_vdev_set_common(spa, guid, newpath, B_TRUE)); +} + +int +spa_vdev_setfru(spa_t *spa, uint64_t guid, const char *newfru) +{ + return (spa_vdev_set_common(spa, guid, newfru, B_FALSE)); +} + +/* + * ========================================================================== + * SPA Scanning + * ========================================================================== + */ + +int +spa_scan_stop(spa_t *spa) +{ + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); + if (dsl_scan_resilvering(spa->spa_dsl_pool)) + return (SET_ERROR(EBUSY)); + return (dsl_scan_cancel(spa->spa_dsl_pool)); +} + +int +spa_scan(spa_t *spa, pool_scan_func_t func) +{ + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); + + if (func >= POOL_SCAN_FUNCS || func == POOL_SCAN_NONE) + return (SET_ERROR(ENOTSUP)); + + /* + * If a resilver was requested, but there is no DTL on a + * writeable leaf device, we have nothing to do. + */ + if (func == POOL_SCAN_RESILVER && + !vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL)) { + spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); + return (0); + } + + return (dsl_scan(spa->spa_dsl_pool, func)); +} + +/* + * ========================================================================== + * SPA async task processing + * ========================================================================== + */ + +static void +spa_async_remove(spa_t *spa, vdev_t *vd) +{ + int c; + + if (vd->vdev_remove_wanted) { + vd->vdev_remove_wanted = B_FALSE; + vd->vdev_delayed_close = B_FALSE; + vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE); + + /* + * We want to clear the stats, but we don't want to do a full + * vdev_clear() as that will cause us to throw away + * degraded/faulted state as well as attempt to reopen the + * device, all of which is a waste. + */ + vd->vdev_stat.vs_read_errors = 0; + vd->vdev_stat.vs_write_errors = 0; + vd->vdev_stat.vs_checksum_errors = 0; + + vdev_state_dirty(vd->vdev_top); + } + + for (c = 0; c < vd->vdev_children; c++) + spa_async_remove(spa, vd->vdev_child[c]); +} + +static void +spa_async_probe(spa_t *spa, vdev_t *vd) +{ + int c; + + if (vd->vdev_probe_wanted) { + vd->vdev_probe_wanted = B_FALSE; + vdev_reopen(vd); /* vdev_open() does the actual probe */ + } + + for (c = 0; c < vd->vdev_children; c++) + spa_async_probe(spa, vd->vdev_child[c]); +} + +static void +spa_async_autoexpand(spa_t *spa, vdev_t *vd) +{ + int c; + + if (!spa->spa_autoexpand) + return; + + for (c = 0; c < vd->vdev_children; c++) { + vdev_t *cvd = vd->vdev_child[c]; + spa_async_autoexpand(spa, cvd); + } + + if (!vd->vdev_ops->vdev_op_leaf || vd->vdev_physpath == NULL) + return; + + spa_event_notify(vd->vdev_spa, vd, FM_EREPORT_ZFS_DEVICE_AUTOEXPAND); +} + +static void +spa_async_thread(spa_t *spa) +{ + int tasks, i; + + ASSERT(spa->spa_sync_on); + + mutex_enter(&spa->spa_async_lock); + tasks = spa->spa_async_tasks; + spa->spa_async_tasks = 0; + mutex_exit(&spa->spa_async_lock); + + /* + * See if the config needs to be updated. + */ + if (tasks & SPA_ASYNC_CONFIG_UPDATE) { + uint64_t old_space, new_space; + + mutex_enter(&spa_namespace_lock); + old_space = metaslab_class_get_space(spa_normal_class(spa)); + spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); + new_space = metaslab_class_get_space(spa_normal_class(spa)); + mutex_exit(&spa_namespace_lock); + + /* + * If the pool grew as a result of the config update, + * then log an internal history event. + */ + if (new_space != old_space) { + spa_history_log_internal(spa, "vdev online", NULL, + "pool '%s' size: %llu(+%llu)", + spa_name(spa), new_space, new_space - old_space); + } + } + + /* + * See if any devices need to be marked REMOVED. + */ + if (tasks & SPA_ASYNC_REMOVE) { + spa_vdev_state_enter(spa, SCL_NONE); + spa_async_remove(spa, spa->spa_root_vdev); + for (i = 0; i < spa->spa_l2cache.sav_count; i++) + spa_async_remove(spa, spa->spa_l2cache.sav_vdevs[i]); + for (i = 0; i < spa->spa_spares.sav_count; i++) + spa_async_remove(spa, spa->spa_spares.sav_vdevs[i]); + (void) spa_vdev_state_exit(spa, NULL, 0); + } + + if ((tasks & SPA_ASYNC_AUTOEXPAND) && !spa_suspended(spa)) { + spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); + spa_async_autoexpand(spa, spa->spa_root_vdev); + spa_config_exit(spa, SCL_CONFIG, FTAG); + } + + /* + * See if any devices need to be probed. + */ + if (tasks & SPA_ASYNC_PROBE) { + spa_vdev_state_enter(spa, SCL_NONE); + spa_async_probe(spa, spa->spa_root_vdev); + (void) spa_vdev_state_exit(spa, NULL, 0); + } + + /* + * If any devices are done replacing, detach them. + */ + if (tasks & SPA_ASYNC_RESILVER_DONE) + spa_vdev_resilver_done(spa); + + /* + * Kick off a resilver. + */ + if (tasks & SPA_ASYNC_RESILVER) + dsl_resilver_restart(spa->spa_dsl_pool, 0); + + /* + * Let the world know that we're done. + */ + mutex_enter(&spa->spa_async_lock); + spa->spa_async_thread = NULL; + cv_broadcast(&spa->spa_async_cv); + mutex_exit(&spa->spa_async_lock); + thread_exit(); +} + +void +spa_async_suspend(spa_t *spa) +{ + mutex_enter(&spa->spa_async_lock); + spa->spa_async_suspended++; + while (spa->spa_async_thread != NULL) + cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); + mutex_exit(&spa->spa_async_lock); +} + +void +spa_async_resume(spa_t *spa) +{ + mutex_enter(&spa->spa_async_lock); + ASSERT(spa->spa_async_suspended != 0); + spa->spa_async_suspended--; + mutex_exit(&spa->spa_async_lock); +} + +static void +spa_async_dispatch(spa_t *spa) +{ + mutex_enter(&spa->spa_async_lock); + if (spa->spa_async_tasks && !spa->spa_async_suspended && + spa->spa_async_thread == NULL && + rootdir != NULL && !vn_is_readonly(rootdir)) + spa->spa_async_thread = thread_create(NULL, 0, + spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); + mutex_exit(&spa->spa_async_lock); +} + +void +spa_async_request(spa_t *spa, int task) +{ + zfs_dbgmsg("spa=%s async request task=%u", spa->spa_name, task); + mutex_enter(&spa->spa_async_lock); + spa->spa_async_tasks |= task; + mutex_exit(&spa->spa_async_lock); +} + +/* + * ========================================================================== + * SPA syncing routines + * ========================================================================== + */ + +static int +bpobj_enqueue_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) +{ + bpobj_t *bpo = arg; + bpobj_enqueue(bpo, bp, tx); + return (0); +} + +static int +spa_free_sync_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) +{ + zio_t *zio = arg; + + zio_nowait(zio_free_sync(zio, zio->io_spa, dmu_tx_get_txg(tx), bp, + zio->io_flags)); + return (0); +} + +/* + * Note: this simple function is not inlined to make it easier to dtrace the + * amount of time spent syncing frees. + */ +static void +spa_sync_frees(spa_t *spa, bplist_t *bpl, dmu_tx_t *tx) +{ + zio_t *zio = zio_root(spa, NULL, NULL, 0); + bplist_iterate(bpl, spa_free_sync_cb, zio, tx); + VERIFY(zio_wait(zio) == 0); +} + +/* + * Note: this simple function is not inlined to make it easier to dtrace the + * amount of time spent syncing deferred frees. + */ +static void +spa_sync_deferred_frees(spa_t *spa, dmu_tx_t *tx) +{ + zio_t *zio = zio_root(spa, NULL, NULL, 0); + VERIFY3U(bpobj_iterate(&spa->spa_deferred_bpobj, + spa_free_sync_cb, zio, tx), ==, 0); + VERIFY0(zio_wait(zio)); +} + +static void +spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) +{ + char *packed = NULL; + size_t bufsize; + size_t nvsize = 0; + dmu_buf_t *db; + + VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); + + /* + * Write full (SPA_CONFIG_BLOCKSIZE) blocks of configuration + * information. This avoids the dmu_buf_will_dirty() path and + * saves us a pre-read to get data we don't actually care about. + */ + bufsize = P2ROUNDUP((uint64_t)nvsize, SPA_CONFIG_BLOCKSIZE); + packed = vmem_alloc(bufsize, KM_SLEEP); + + VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, + KM_SLEEP) == 0); + bzero(packed + nvsize, bufsize - nvsize); + + dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx); + + vmem_free(packed, bufsize); + + VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); + dmu_buf_will_dirty(db, tx); + *(uint64_t *)db->db_data = nvsize; + dmu_buf_rele(db, FTAG); +} + +static void +spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, + const char *config, const char *entry) +{ + nvlist_t *nvroot; + nvlist_t **list; + int i; + + if (!sav->sav_sync) + return; + + /* + * Update the MOS nvlist describing the list of available devices. + * spa_validate_aux() will have already made sure this nvlist is + * valid and the vdevs are labeled appropriately. + */ + if (sav->sav_object == 0) { + sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, + DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, + sizeof (uint64_t), tx); + VERIFY(zap_update(spa->spa_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, + &sav->sav_object, tx) == 0); + } + + VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); + if (sav->sav_count == 0) { + VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); + } else { + list = kmem_alloc(sav->sav_count*sizeof (void *), KM_SLEEP); + for (i = 0; i < sav->sav_count; i++) + list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], + B_FALSE, VDEV_CONFIG_L2CACHE); + VERIFY(nvlist_add_nvlist_array(nvroot, config, list, + sav->sav_count) == 0); + for (i = 0; i < sav->sav_count; i++) + nvlist_free(list[i]); + kmem_free(list, sav->sav_count * sizeof (void *)); + } + + spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); + nvlist_free(nvroot); + + sav->sav_sync = B_FALSE; +} + +static void +spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) +{ + nvlist_t *config; + + if (list_is_empty(&spa->spa_config_dirty_list)) + return; + + spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); + + config = spa_config_generate(spa, spa->spa_root_vdev, + dmu_tx_get_txg(tx), B_FALSE); + + /* + * If we're upgrading the spa version then make sure that + * the config object gets updated with the correct version. + */ + if (spa->spa_ubsync.ub_version < spa->spa_uberblock.ub_version) + fnvlist_add_uint64(config, ZPOOL_CONFIG_VERSION, + spa->spa_uberblock.ub_version); + + spa_config_exit(spa, SCL_STATE, FTAG); + + if (spa->spa_config_syncing) + nvlist_free(spa->spa_config_syncing); + spa->spa_config_syncing = config; + + spa_sync_nvlist(spa, spa->spa_config_object, config, tx); +} + +static void +spa_sync_version(void *arg, dmu_tx_t *tx) +{ + uint64_t *versionp = arg; + uint64_t version = *versionp; + spa_t *spa = dmu_tx_pool(tx)->dp_spa; + + /* + * Setting the version is special cased when first creating the pool. + */ + ASSERT(tx->tx_txg != TXG_INITIAL); + + ASSERT(SPA_VERSION_IS_SUPPORTED(version)); + ASSERT(version >= spa_version(spa)); + + spa->spa_uberblock.ub_version = version; + vdev_config_dirty(spa->spa_root_vdev); + spa_history_log_internal(spa, "set", tx, "version=%lld", version); +} + +/* + * Set zpool properties. + */ +static void +spa_sync_props(void *arg, dmu_tx_t *tx) +{ + nvlist_t *nvp = arg; + spa_t *spa = dmu_tx_pool(tx)->dp_spa; + objset_t *mos = spa->spa_meta_objset; + nvpair_t *elem = NULL; + + mutex_enter(&spa->spa_props_lock); + + while ((elem = nvlist_next_nvpair(nvp, elem))) { + uint64_t intval; + char *strval, *fname; + zpool_prop_t prop; + const char *propname; + zprop_type_t proptype; + spa_feature_t fid; + + prop = zpool_name_to_prop(nvpair_name(elem)); + switch ((int)prop) { + case ZPROP_INVAL: + /* + * We checked this earlier in spa_prop_validate(). + */ + ASSERT(zpool_prop_feature(nvpair_name(elem))); + + fname = strchr(nvpair_name(elem), '@') + 1; + VERIFY0(zfeature_lookup_name(fname, &fid)); + + spa_feature_enable(spa, fid, tx); + spa_history_log_internal(spa, "set", tx, + "%s=enabled", nvpair_name(elem)); + break; + + case ZPOOL_PROP_VERSION: + intval = fnvpair_value_uint64(elem); + /* + * The version is synced seperatly before other + * properties and should be correct by now. + */ + ASSERT3U(spa_version(spa), >=, intval); + break; + + case ZPOOL_PROP_ALTROOT: + /* + * 'altroot' is a non-persistent property. It should + * have been set temporarily at creation or import time. + */ + ASSERT(spa->spa_root != NULL); + break; + + case ZPOOL_PROP_READONLY: + case ZPOOL_PROP_CACHEFILE: + /* + * 'readonly' and 'cachefile' are also non-persisitent + * properties. + */ + break; + case ZPOOL_PROP_COMMENT: + strval = fnvpair_value_string(elem); + if (spa->spa_comment != NULL) + spa_strfree(spa->spa_comment); + spa->spa_comment = spa_strdup(strval); + /* + * We need to dirty the configuration on all the vdevs + * so that their labels get updated. It's unnecessary + * to do this for pool creation since the vdev's + * configuratoin has already been dirtied. + */ + if (tx->tx_txg != TXG_INITIAL) + vdev_config_dirty(spa->spa_root_vdev); + spa_history_log_internal(spa, "set", tx, + "%s=%s", nvpair_name(elem), strval); + break; + default: + /* + * Set pool property values in the poolprops mos object. + */ + if (spa->spa_pool_props_object == 0) { + spa->spa_pool_props_object = + zap_create_link(mos, DMU_OT_POOL_PROPS, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, + tx); + } + + /* normalize the property name */ + propname = zpool_prop_to_name(prop); + proptype = zpool_prop_get_type(prop); + + if (nvpair_type(elem) == DATA_TYPE_STRING) { + ASSERT(proptype == PROP_TYPE_STRING); + strval = fnvpair_value_string(elem); + VERIFY0(zap_update(mos, + spa->spa_pool_props_object, propname, + 1, strlen(strval) + 1, strval, tx)); + spa_history_log_internal(spa, "set", tx, + "%s=%s", nvpair_name(elem), strval); + } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { + intval = fnvpair_value_uint64(elem); + + if (proptype == PROP_TYPE_INDEX) { + const char *unused; + VERIFY0(zpool_prop_index_to_string( + prop, intval, &unused)); + } + VERIFY0(zap_update(mos, + spa->spa_pool_props_object, propname, + 8, 1, &intval, tx)); + spa_history_log_internal(spa, "set", tx, + "%s=%lld", nvpair_name(elem), intval); + } else { + ASSERT(0); /* not allowed */ + } + + switch (prop) { + case ZPOOL_PROP_DELEGATION: + spa->spa_delegation = intval; + break; + case ZPOOL_PROP_BOOTFS: + spa->spa_bootfs = intval; + break; + case ZPOOL_PROP_FAILUREMODE: + spa->spa_failmode = intval; + break; + case ZPOOL_PROP_AUTOEXPAND: + spa->spa_autoexpand = intval; + if (tx->tx_txg != TXG_INITIAL) + spa_async_request(spa, + SPA_ASYNC_AUTOEXPAND); + break; + case ZPOOL_PROP_DEDUPDITTO: + spa->spa_dedup_ditto = intval; + break; + default: + break; + } + } + + } + + mutex_exit(&spa->spa_props_lock); +} + +/* + * Perform one-time upgrade on-disk changes. spa_version() does not + * reflect the new version this txg, so there must be no changes this + * txg to anything that the upgrade code depends on after it executes. + * Therefore this must be called after dsl_pool_sync() does the sync + * tasks. + */ +static void +spa_sync_upgrades(spa_t *spa, dmu_tx_t *tx) +{ + dsl_pool_t *dp = spa->spa_dsl_pool; + + ASSERT(spa->spa_sync_pass == 1); + + rrw_enter(&dp->dp_config_rwlock, RW_WRITER, FTAG); + + if (spa->spa_ubsync.ub_version < SPA_VERSION_ORIGIN && + spa->spa_uberblock.ub_version >= SPA_VERSION_ORIGIN) { + dsl_pool_create_origin(dp, tx); + + /* Keeping the origin open increases spa_minref */ + spa->spa_minref += 3; + } + + if (spa->spa_ubsync.ub_version < SPA_VERSION_NEXT_CLONES && + spa->spa_uberblock.ub_version >= SPA_VERSION_NEXT_CLONES) { + dsl_pool_upgrade_clones(dp, tx); + } + + if (spa->spa_ubsync.ub_version < SPA_VERSION_DIR_CLONES && + spa->spa_uberblock.ub_version >= SPA_VERSION_DIR_CLONES) { + dsl_pool_upgrade_dir_clones(dp, tx); + + /* Keeping the freedir open increases spa_minref */ + spa->spa_minref += 3; + } + + if (spa->spa_ubsync.ub_version < SPA_VERSION_FEATURES && + spa->spa_uberblock.ub_version >= SPA_VERSION_FEATURES) { + spa_feature_create_zap_objects(spa, tx); + } + + /* + * LZ4_COMPRESS feature's behaviour was changed to activate_on_enable + * when possibility to use lz4 compression for metadata was added + * Old pools that have this feature enabled must be upgraded to have + * this feature active + */ + if (spa->spa_uberblock.ub_version >= SPA_VERSION_FEATURES) { + boolean_t lz4_en = spa_feature_is_enabled(spa, + SPA_FEATURE_LZ4_COMPRESS); + boolean_t lz4_ac = spa_feature_is_active(spa, + SPA_FEATURE_LZ4_COMPRESS); + + if (lz4_en && !lz4_ac) + spa_feature_incr(spa, SPA_FEATURE_LZ4_COMPRESS, tx); + } + rrw_exit(&dp->dp_config_rwlock, FTAG); +} + +/* + * Sync the specified transaction group. New blocks may be dirtied as + * part of the process, so we iterate until it converges. + */ +void +spa_sync(spa_t *spa, uint64_t txg) +{ + dsl_pool_t *dp = spa->spa_dsl_pool; + objset_t *mos = spa->spa_meta_objset; + bplist_t *free_bpl = &spa->spa_free_bplist[txg & TXG_MASK]; + vdev_t *rvd = spa->spa_root_vdev; + vdev_t *vd; + dmu_tx_t *tx; + int error; + int c; + + VERIFY(spa_writeable(spa)); + + /* + * Lock out configuration changes. + */ + spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); + + spa->spa_syncing_txg = txg; + spa->spa_sync_pass = 0; + + /* + * If there are any pending vdev state changes, convert them + * into config changes that go out with this transaction group. + */ + spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); + while (list_head(&spa->spa_state_dirty_list) != NULL) { + /* + * We need the write lock here because, for aux vdevs, + * calling vdev_config_dirty() modifies sav_config. + * This is ugly and will become unnecessary when we + * eliminate the aux vdev wart by integrating all vdevs + * into the root vdev tree. + */ + spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG); + spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_WRITER); + while ((vd = list_head(&spa->spa_state_dirty_list)) != NULL) { + vdev_state_clean(vd); + vdev_config_dirty(vd); + } + spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG); + spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_READER); + } + spa_config_exit(spa, SCL_STATE, FTAG); + + tx = dmu_tx_create_assigned(dp, txg); + + spa->spa_sync_starttime = gethrtime(); + taskq_cancel_id(system_taskq, spa->spa_deadman_tqid); + spa->spa_deadman_tqid = taskq_dispatch_delay(system_taskq, + spa_deadman, spa, TQ_SLEEP, ddi_get_lbolt() + + NSEC_TO_TICK(spa->spa_deadman_synctime)); + + /* + * If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, + * set spa_deflate if we have no raid-z vdevs. + */ + if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && + spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { + int i; + + for (i = 0; i < rvd->vdev_children; i++) { + vd = rvd->vdev_child[i]; + if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) + break; + } + if (i == rvd->vdev_children) { + spa->spa_deflate = TRUE; + VERIFY(0 == zap_add(spa->spa_meta_objset, + DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, + sizeof (uint64_t), 1, &spa->spa_deflate, tx)); + } + } + + /* + * Iterate to convergence. + */ + do { + int pass = ++spa->spa_sync_pass; + + spa_sync_config_object(spa, tx); + spa_sync_aux_dev(spa, &spa->spa_spares, tx, + ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); + spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, + ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); + spa_errlog_sync(spa, txg); + dsl_pool_sync(dp, txg); + + if (pass < zfs_sync_pass_deferred_free) { + spa_sync_frees(spa, free_bpl, tx); + } else { + /* + * We can not defer frees in pass 1, because + * we sync the deferred frees later in pass 1. + */ + ASSERT3U(pass, >, 1); + bplist_iterate(free_bpl, bpobj_enqueue_cb, + &spa->spa_deferred_bpobj, tx); + } + + ddt_sync(spa, txg); + dsl_scan_sync(dp, tx); + + while ((vd = txg_list_remove(&spa->spa_vdev_txg_list, txg))) + vdev_sync(vd, txg); + + if (pass == 1) { + spa_sync_upgrades(spa, tx); + ASSERT3U(txg, >=, + spa->spa_uberblock.ub_rootbp.blk_birth); + /* + * Note: We need to check if the MOS is dirty + * because we could have marked the MOS dirty + * without updating the uberblock (e.g. if we + * have sync tasks but no dirty user data). We + * need to check the uberblock's rootbp because + * it is updated if we have synced out dirty + * data (though in this case the MOS will most + * likely also be dirty due to second order + * effects, we don't want to rely on that here). + */ + if (spa->spa_uberblock.ub_rootbp.blk_birth < txg && + !dmu_objset_is_dirty(mos, txg)) { + /* + * Nothing changed on the first pass, + * therefore this TXG is a no-op. Avoid + * syncing deferred frees, so that we + * can keep this TXG as a no-op. + */ + ASSERT(txg_list_empty(&dp->dp_dirty_datasets, + txg)); + ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); + ASSERT(txg_list_empty(&dp->dp_sync_tasks, txg)); + break; + } + spa_sync_deferred_frees(spa, tx); + } + + } while (dmu_objset_is_dirty(mos, txg)); + + /* + * Rewrite the vdev configuration (which includes the uberblock) + * to commit the transaction group. + * + * If there are no dirty vdevs, we sync the uberblock to a few + * random top-level vdevs that are known to be visible in the + * config cache (see spa_vdev_add() for a complete description). + * If there *are* dirty vdevs, sync the uberblock to all vdevs. + */ + for (;;) { + /* + * We hold SCL_STATE to prevent vdev open/close/etc. + * while we're attempting to write the vdev labels. + */ + spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); + + if (list_is_empty(&spa->spa_config_dirty_list)) { + vdev_t *svd[SPA_DVAS_PER_BP]; + int svdcount = 0; + int children = rvd->vdev_children; + int c0 = spa_get_random(children); + + for (c = 0; c < children; c++) { + vd = rvd->vdev_child[(c0 + c) % children]; + if (vd->vdev_ms_array == 0 || vd->vdev_islog) + continue; + svd[svdcount++] = vd; + if (svdcount == SPA_DVAS_PER_BP) + break; + } + error = vdev_config_sync(svd, svdcount, txg, B_FALSE); + if (error != 0) + error = vdev_config_sync(svd, svdcount, txg, + B_TRUE); + } else { + error = vdev_config_sync(rvd->vdev_child, + rvd->vdev_children, txg, B_FALSE); + if (error != 0) + error = vdev_config_sync(rvd->vdev_child, + rvd->vdev_children, txg, B_TRUE); + } + + if (error == 0) + spa->spa_last_synced_guid = rvd->vdev_guid; + + spa_config_exit(spa, SCL_STATE, FTAG); + + if (error == 0) + break; + zio_suspend(spa, NULL); + zio_resume_wait(spa); + } + dmu_tx_commit(tx); + + taskq_cancel_id(system_taskq, spa->spa_deadman_tqid); + spa->spa_deadman_tqid = 0; + + /* + * Clear the dirty config list. + */ + while ((vd = list_head(&spa->spa_config_dirty_list)) != NULL) + vdev_config_clean(vd); + + /* + * Now that the new config has synced transactionally, + * let it become visible to the config cache. + */ + if (spa->spa_config_syncing != NULL) { + spa_config_set(spa, spa->spa_config_syncing); + spa->spa_config_txg = txg; + spa->spa_config_syncing = NULL; + } + + spa->spa_ubsync = spa->spa_uberblock; + + dsl_pool_sync_done(dp, txg); + + /* + * Update usable space statistics. + */ + while ((vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg)))) + vdev_sync_done(vd, txg); + + spa_update_dspace(spa); + + /* + * It had better be the case that we didn't dirty anything + * since vdev_config_sync(). + */ + ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); + ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); + ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); + + spa->spa_sync_pass = 0; + + spa_config_exit(spa, SCL_CONFIG, FTAG); + + spa_handle_ignored_writes(spa); + + /* + * If any async tasks have been requested, kick them off. + */ + spa_async_dispatch(spa); +} + +/* + * Sync all pools. We don't want to hold the namespace lock across these + * operations, so we take a reference on the spa_t and drop the lock during the + * sync. + */ +void +spa_sync_allpools(void) +{ + spa_t *spa = NULL; + mutex_enter(&spa_namespace_lock); + while ((spa = spa_next(spa)) != NULL) { + if (spa_state(spa) != POOL_STATE_ACTIVE || + !spa_writeable(spa) || spa_suspended(spa)) + continue; + spa_open_ref(spa, FTAG); + mutex_exit(&spa_namespace_lock); + txg_wait_synced(spa_get_dsl(spa), 0); + mutex_enter(&spa_namespace_lock); + spa_close(spa, FTAG); + } + mutex_exit(&spa_namespace_lock); +} + +/* + * ========================================================================== + * Miscellaneous routines + * ========================================================================== + */ + +/* + * Remove all pools in the system. + */ +void +spa_evict_all(void) +{ + spa_t *spa; + + /* + * Remove all cached state. All pools should be closed now, + * so every spa in the AVL tree should be unreferenced. + */ + mutex_enter(&spa_namespace_lock); + while ((spa = spa_next(NULL)) != NULL) { + /* + * Stop async tasks. The async thread may need to detach + * a device that's been replaced, which requires grabbing + * spa_namespace_lock, so we must drop it here. + */ + spa_open_ref(spa, FTAG); + mutex_exit(&spa_namespace_lock); + spa_async_suspend(spa); + mutex_enter(&spa_namespace_lock); + spa_close(spa, FTAG); + + if (spa->spa_state != POOL_STATE_UNINITIALIZED) { + spa_unload(spa); + spa_deactivate(spa); + } + spa_remove(spa); + } + mutex_exit(&spa_namespace_lock); +} + +vdev_t * +spa_lookup_by_guid(spa_t *spa, uint64_t guid, boolean_t aux) +{ + vdev_t *vd; + int i; + + if ((vd = vdev_lookup_by_guid(spa->spa_root_vdev, guid)) != NULL) + return (vd); + + if (aux) { + for (i = 0; i < spa->spa_l2cache.sav_count; i++) { + vd = spa->spa_l2cache.sav_vdevs[i]; + if (vd->vdev_guid == guid) + return (vd); + } + + for (i = 0; i < spa->spa_spares.sav_count; i++) { + vd = spa->spa_spares.sav_vdevs[i]; + if (vd->vdev_guid == guid) + return (vd); + } + } + + return (NULL); +} + +void +spa_upgrade(spa_t *spa, uint64_t version) +{ + ASSERT(spa_writeable(spa)); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + + /* + * This should only be called for a non-faulted pool, and since a + * future version would result in an unopenable pool, this shouldn't be + * possible. + */ + ASSERT(SPA_VERSION_IS_SUPPORTED(spa->spa_uberblock.ub_version)); + ASSERT3U(version, >=, spa->spa_uberblock.ub_version); + + spa->spa_uberblock.ub_version = version; + vdev_config_dirty(spa->spa_root_vdev); + + spa_config_exit(spa, SCL_ALL, FTAG); + + txg_wait_synced(spa_get_dsl(spa), 0); +} + +boolean_t +spa_has_spare(spa_t *spa, uint64_t guid) +{ + int i; + uint64_t spareguid; + spa_aux_vdev_t *sav = &spa->spa_spares; + + for (i = 0; i < sav->sav_count; i++) + if (sav->sav_vdevs[i]->vdev_guid == guid) + return (B_TRUE); + + for (i = 0; i < sav->sav_npending; i++) { + if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, + &spareguid) == 0 && spareguid == guid) + return (B_TRUE); + } + + return (B_FALSE); +} + +/* + * Check if a pool has an active shared spare device. + * Note: reference count of an active spare is 2, as a spare and as a replace + */ +static boolean_t +spa_has_active_shared_spare(spa_t *spa) +{ + int i, refcnt; + uint64_t pool; + spa_aux_vdev_t *sav = &spa->spa_spares; + + for (i = 0; i < sav->sav_count; i++) { + if (spa_spare_exists(sav->sav_vdevs[i]->vdev_guid, &pool, + &refcnt) && pool != 0ULL && pool == spa_guid(spa) && + refcnt > 2) + return (B_TRUE); + } + + return (B_FALSE); +} + +/* + * Post a FM_EREPORT_ZFS_* event from sys/fm/fs/zfs.h. The payload will be + * filled in from the spa and (optionally) the vdev. This doesn't do anything + * in the userland libzpool, as we don't want consumers to misinterpret ztest + * or zdb as real changes. + */ +void +spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) +{ +#ifdef _KERNEL + zfs_ereport_post(name, spa, vd, NULL, 0, 0); +#endif +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +/* state manipulation functions */ +EXPORT_SYMBOL(spa_open); +EXPORT_SYMBOL(spa_open_rewind); +EXPORT_SYMBOL(spa_get_stats); +EXPORT_SYMBOL(spa_create); +EXPORT_SYMBOL(spa_import); +EXPORT_SYMBOL(spa_tryimport); +EXPORT_SYMBOL(spa_destroy); +EXPORT_SYMBOL(spa_export); +EXPORT_SYMBOL(spa_reset); +EXPORT_SYMBOL(spa_async_request); +EXPORT_SYMBOL(spa_async_suspend); +EXPORT_SYMBOL(spa_async_resume); +EXPORT_SYMBOL(spa_inject_addref); +EXPORT_SYMBOL(spa_inject_delref); +EXPORT_SYMBOL(spa_scan_stat_init); +EXPORT_SYMBOL(spa_scan_get_stats); + +/* device maniion */ +EXPORT_SYMBOL(spa_vdev_add); +EXPORT_SYMBOL(spa_vdev_attach); +EXPORT_SYMBOL(spa_vdev_detach); +EXPORT_SYMBOL(spa_vdev_remove); +EXPORT_SYMBOL(spa_vdev_setpath); +EXPORT_SYMBOL(spa_vdev_setfru); +EXPORT_SYMBOL(spa_vdev_split_mirror); + +/* spare statech is global across all pools) */ +EXPORT_SYMBOL(spa_spare_add); +EXPORT_SYMBOL(spa_spare_remove); +EXPORT_SYMBOL(spa_spare_exists); +EXPORT_SYMBOL(spa_spare_activate); + +/* L2ARC statech is global across all pools) */ +EXPORT_SYMBOL(spa_l2cache_add); +EXPORT_SYMBOL(spa_l2cache_remove); +EXPORT_SYMBOL(spa_l2cache_exists); +EXPORT_SYMBOL(spa_l2cache_activate); +EXPORT_SYMBOL(spa_l2cache_drop); + +/* scanning */ +EXPORT_SYMBOL(spa_scan); +EXPORT_SYMBOL(spa_scan_stop); + +/* spa syncing */ +EXPORT_SYMBOL(spa_sync); /* only for DMU use */ +EXPORT_SYMBOL(spa_sync_allpools); + +/* properties */ +EXPORT_SYMBOL(spa_prop_set); +EXPORT_SYMBOL(spa_prop_get); +EXPORT_SYMBOL(spa_prop_clear_bootfs); + +/* asynchronous event notification */ +EXPORT_SYMBOL(spa_event_notify); +#endif + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(spa_load_verify_maxinflight, int, 0644); +MODULE_PARM_DESC(spa_load_verify_maxinflight, + "Max concurrent traversal I/Os while verifying pool during import -X"); + +module_param(spa_load_verify_metadata, int, 0644); +MODULE_PARM_DESC(spa_load_verify_metadata, + "Set to traverse metadata on pool import"); + +module_param(spa_load_verify_data, int, 0644); +MODULE_PARM_DESC(spa_load_verify_data, + "Set to traverse data on pool import"); + +module_param(zio_taskq_batch_pct, uint, 0444); +MODULE_PARM_DESC(zio_taskq_batch_pct, + "Percentage of CPUs to run an IO worker thread"); + +#endif diff --git a/zfs/module/zfs/spa_boot.c b/zfs/module/zfs/spa_boot.c new file mode 100644 index 000000000000..be79542c9049 --- /dev/null +++ b/zfs/module/zfs/spa_boot.c @@ -0,0 +1,50 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifdef _KERNEL + +#include +#include +#include + +char * +spa_get_bootprop(char *propname) +{ + char *value; + + if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(), + DDI_PROP_DONTPASS, propname, &value) != DDI_SUCCESS) + return (NULL); + return (value); +} + +void +spa_free_bootprop(char *value) +{ + ddi_prop_free(value); +} + +#endif /* _KERNEL */ diff --git a/zfs/module/zfs/spa_config.c b/zfs/module/zfs/spa_config.c new file mode 100644 index 000000000000..19432e0a024e --- /dev/null +++ b/zfs/module/zfs/spa_config.c @@ -0,0 +1,583 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef _KERNEL +#include +#include +#endif + +/* + * Pool configuration repository. + * + * Pool configuration is stored as a packed nvlist on the filesystem. By + * default, all pools are stored in /etc/zfs/zpool.cache and loaded on boot + * (when the ZFS module is loaded). Pools can also have the 'cachefile' + * property set that allows them to be stored in an alternate location until + * the control of external software. + * + * For each cache file, we have a single nvlist which holds all the + * configuration information. When the module loads, we read this information + * from /etc/zfs/zpool.cache and populate the SPA namespace. This namespace is + * maintained independently in spa.c. Whenever the namespace is modified, or + * the configuration of a pool is changed, we call spa_config_sync(), which + * walks through all the active pools and writes the configuration to disk. + */ + +static uint64_t spa_config_generation = 1; + +/* + * This can be overridden in userland to preserve an alternate namespace for + * userland pools when doing testing. + */ +char *spa_config_path = ZPOOL_CACHE; +int zfs_autoimport_disable = 1; + +/* + * Called when the module is first loaded, this routine loads the configuration + * file into the SPA namespace. It does not actually open or load the pools; it + * only populates the namespace. + */ +void +spa_config_load(void) +{ + void *buf = NULL; + nvlist_t *nvlist, *child; + nvpair_t *nvpair; + char *pathname; + struct _buf *file; + uint64_t fsize; + +#ifdef _KERNEL + if (zfs_autoimport_disable) + return; +#endif + + /* + * Open the configuration file. + */ + pathname = kmem_alloc(MAXPATHLEN, KM_SLEEP); + + (void) snprintf(pathname, MAXPATHLEN, "%s%s", + (rootdir != NULL) ? "./" : "", spa_config_path); + + file = kobj_open_file(pathname); + + kmem_free(pathname, MAXPATHLEN); + + if (file == (struct _buf *)-1) + return; + + if (kobj_get_filesize(file, &fsize) != 0) + goto out; + + buf = kmem_alloc(fsize, KM_SLEEP); + + /* + * Read the nvlist from the file. + */ + if (kobj_read_file(file, buf, fsize, 0) < 0) + goto out; + + /* + * Unpack the nvlist. + */ + if (nvlist_unpack(buf, fsize, &nvlist, KM_SLEEP) != 0) + goto out; + + /* + * Iterate over all elements in the nvlist, creating a new spa_t for + * each one with the specified configuration. + */ + mutex_enter(&spa_namespace_lock); + nvpair = NULL; + while ((nvpair = nvlist_next_nvpair(nvlist, nvpair)) != NULL) { + if (nvpair_type(nvpair) != DATA_TYPE_NVLIST) + continue; + + VERIFY(nvpair_value_nvlist(nvpair, &child) == 0); + + if (spa_lookup(nvpair_name(nvpair)) != NULL) + continue; + (void) spa_add(nvpair_name(nvpair), child, NULL); + } + mutex_exit(&spa_namespace_lock); + + nvlist_free(nvlist); + +out: + if (buf != NULL) + kmem_free(buf, fsize); + + kobj_close_file(file); +} + +static void +spa_config_write(spa_config_dirent_t *dp, nvlist_t *nvl) +{ + size_t buflen; + char *buf; + vnode_t *vp; + int oflags = FWRITE | FTRUNC | FCREAT | FOFFMAX; + int error; + char *temp; + + /* + * If the nvlist is empty (NULL), then remove the old cachefile. + */ + if (nvl == NULL) { + (void) vn_remove(dp->scd_path, UIO_SYSSPACE, RMFILE); + return; + } + + /* + * Pack the configuration into a buffer. + */ + VERIFY(nvlist_size(nvl, &buflen, NV_ENCODE_XDR) == 0); + + buf = vmem_alloc(buflen, KM_SLEEP); + temp = kmem_zalloc(MAXPATHLEN, KM_SLEEP); + + VERIFY(nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_XDR, + KM_SLEEP) == 0); + +#if defined(__linux__) && defined(_KERNEL) + /* + * Write the configuration to disk. Due to the complexity involved + * in performing a rename from within the kernel the file is truncated + * and overwritten in place. In the event of an error the file is + * unlinked to make sure we always have a consistent view of the data. + */ + error = vn_open(dp->scd_path, UIO_SYSSPACE, oflags, 0644, &vp, 0, 0); + if (error == 0) { + error = vn_rdwr(UIO_WRITE, vp, buf, buflen, 0, + UIO_SYSSPACE, 0, RLIM64_INFINITY, kcred, NULL); + if (error == 0) + error = VOP_FSYNC(vp, FSYNC, kcred, NULL); + + (void) VOP_CLOSE(vp, oflags, 1, 0, kcred, NULL); + + if (error) + (void) vn_remove(dp->scd_path, UIO_SYSSPACE, RMFILE); + } +#else + /* + * Write the configuration to disk. We need to do the traditional + * 'write to temporary file, sync, move over original' to make sure we + * always have a consistent view of the data. + */ + (void) snprintf(temp, MAXPATHLEN, "%s.tmp", dp->scd_path); + + error = vn_open(temp, UIO_SYSSPACE, oflags, 0644, &vp, CRCREAT, 0); + if (error == 0) { + if (vn_rdwr(UIO_WRITE, vp, buf, buflen, 0, UIO_SYSSPACE, + 0, RLIM64_INFINITY, kcred, NULL) == 0 && + VOP_FSYNC(vp, FSYNC, kcred, NULL) == 0) { + (void) vn_rename(temp, dp->scd_path, UIO_SYSSPACE); + } + (void) VOP_CLOSE(vp, oflags, 1, 0, kcred, NULL); + } + + (void) vn_remove(temp, UIO_SYSSPACE, RMFILE); +#endif + + vmem_free(buf, buflen); + kmem_free(temp, MAXPATHLEN); +} + +/* + * Synchronize pool configuration to disk. This must be called with the + * namespace lock held. Synchronizing the pool cache is typically done after + * the configuration has been synced to the MOS. This exposes a window where + * the MOS config will have been updated but the cache file has not. If + * the system were to crash at that instant then the cached config may not + * contain the correct information to open the pool and an explicity import + * would be required. + */ +void +spa_config_sync(spa_t *target, boolean_t removing, boolean_t postsysevent) +{ + spa_config_dirent_t *dp, *tdp; + nvlist_t *nvl; + char *pool_name; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + if (rootdir == NULL || !(spa_mode_global & FWRITE)) + return; + + /* + * Iterate over all cachefiles for the pool, past or present. When the + * cachefile is changed, the new one is pushed onto this list, allowing + * us to update previous cachefiles that no longer contain this pool. + */ + for (dp = list_head(&target->spa_config_list); dp != NULL; + dp = list_next(&target->spa_config_list, dp)) { + spa_t *spa = NULL; + if (dp->scd_path == NULL) + continue; + + /* + * Iterate over all pools, adding any matching pools to 'nvl'. + */ + nvl = NULL; + while ((spa = spa_next(spa)) != NULL) { + /* + * Skip over our own pool if we're about to remove + * ourselves from the spa namespace or any pool that + * is readonly. Since we cannot guarantee that a + * readonly pool would successfully import upon reboot, + * we don't allow them to be written to the cache file. + */ + if ((spa == target && removing) || + !spa_writeable(spa)) + continue; + + mutex_enter(&spa->spa_props_lock); + tdp = list_head(&spa->spa_config_list); + if (spa->spa_config == NULL || + tdp->scd_path == NULL || + strcmp(tdp->scd_path, dp->scd_path) != 0) { + mutex_exit(&spa->spa_props_lock); + continue; + } + + if (nvl == NULL) + VERIFY(nvlist_alloc(&nvl, NV_UNIQUE_NAME, + KM_SLEEP) == 0); + + if (spa->spa_import_flags & ZFS_IMPORT_TEMP_NAME) { + VERIFY0(nvlist_lookup_string(spa->spa_config, + ZPOOL_CONFIG_POOL_NAME, &pool_name)); + } else + pool_name = spa_name(spa); + + VERIFY(nvlist_add_nvlist(nvl, pool_name, + spa->spa_config) == 0); + mutex_exit(&spa->spa_props_lock); + } + + spa_config_write(dp, nvl); + nvlist_free(nvl); + } + + /* + * Remove any config entries older than the current one. + */ + dp = list_head(&target->spa_config_list); + while ((tdp = list_next(&target->spa_config_list, dp)) != NULL) { + list_remove(&target->spa_config_list, tdp); + if (tdp->scd_path != NULL) + spa_strfree(tdp->scd_path); + kmem_free(tdp, sizeof (spa_config_dirent_t)); + } + + spa_config_generation++; + + if (postsysevent) + spa_event_notify(target, NULL, FM_EREPORT_ZFS_CONFIG_SYNC); +} + +/* + * Sigh. Inside a local zone, we don't have access to /etc/zfs/zpool.cache, + * and we don't want to allow the local zone to see all the pools anyway. + * So we have to invent the ZFS_IOC_CONFIG ioctl to grab the configuration + * information for all pool visible within the zone. + */ +nvlist_t * +spa_all_configs(uint64_t *generation) +{ + nvlist_t *pools; + spa_t *spa = NULL; + + if (*generation == spa_config_generation) + return (NULL); + + VERIFY(nvlist_alloc(&pools, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + mutex_enter(&spa_namespace_lock); + while ((spa = spa_next(spa)) != NULL) { + if (INGLOBALZONE(curproc) || + zone_dataset_visible(spa_name(spa), NULL)) { + mutex_enter(&spa->spa_props_lock); + VERIFY(nvlist_add_nvlist(pools, spa_name(spa), + spa->spa_config) == 0); + mutex_exit(&spa->spa_props_lock); + } + } + *generation = spa_config_generation; + mutex_exit(&spa_namespace_lock); + + return (pools); +} + +void +spa_config_set(spa_t *spa, nvlist_t *config) +{ + mutex_enter(&spa->spa_props_lock); + if (spa->spa_config != NULL) + nvlist_free(spa->spa_config); + spa->spa_config = config; + mutex_exit(&spa->spa_props_lock); +} + +/* + * Generate the pool's configuration based on the current in-core state. + * + * We infer whether to generate a complete config or just one top-level config + * based on whether vd is the root vdev. + */ +nvlist_t * +spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats) +{ + nvlist_t *config, *nvroot; + vdev_t *rvd = spa->spa_root_vdev; + unsigned long hostid = 0; + boolean_t locked = B_FALSE; + uint64_t split_guid; + char *pool_name; + + if (vd == NULL) { + vd = rvd; + locked = B_TRUE; + spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_READER); + } + + ASSERT(spa_config_held(spa, SCL_CONFIG | SCL_STATE, RW_READER) == + (SCL_CONFIG | SCL_STATE)); + + /* + * If txg is -1, report the current value of spa->spa_config_txg. + */ + if (txg == -1ULL) + txg = spa->spa_config_txg; + + /* + * Originally, users had to handle spa namespace collisions by either + * exporting the already imported pool or by specifying a new name for + * the pool with a conflicting name. In the case of root pools from + * virtual guests, neither approach to collision resolution is + * reasonable. This is addressed by extending the new name syntax with + * an option to specify that the new name is temporary. When specified, + * ZFS_IMPORT_TEMP_NAME will be set in spa->spa_import_flags to tell us + * to use the previous name, which we do below. + */ + if (spa->spa_import_flags & ZFS_IMPORT_TEMP_NAME) { + VERIFY0(nvlist_lookup_string(spa->spa_config, + ZPOOL_CONFIG_POOL_NAME, &pool_name)); + } else + pool_name = spa_name(spa); + + VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_VERSION, + spa_version(spa)) == 0); + VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, + pool_name) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, + spa_state(spa)) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_TXG, + txg) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_GUID, + spa_guid(spa)) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_ERRATA, + spa->spa_errata) == 0); + VERIFY(spa->spa_comment == NULL || nvlist_add_string(config, + ZPOOL_CONFIG_COMMENT, spa->spa_comment) == 0); + + +#ifdef _KERNEL + hostid = zone_get_hostid(NULL); +#else /* _KERNEL */ + /* + * We're emulating the system's hostid in userland, so we can't use + * zone_get_hostid(). + */ + (void) ddi_strtoul(hw_serial, NULL, 10, &hostid); +#endif /* _KERNEL */ + if (hostid != 0) { + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_HOSTID, + hostid) == 0); + } + VERIFY0(nvlist_add_string(config, ZPOOL_CONFIG_HOSTNAME, + utsname()->nodename)); + + if (vd != rvd) { + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TOP_GUID, + vd->vdev_top->vdev_guid) == 0); + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_GUID, + vd->vdev_guid) == 0); + if (vd->vdev_isspare) + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_IS_SPARE, + 1ULL) == 0); + if (vd->vdev_islog) + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_IS_LOG, + 1ULL) == 0); + vd = vd->vdev_top; /* label contains top config */ + } else { + /* + * Only add the (potentially large) split information + * in the mos config, and not in the vdev labels + */ + if (spa->spa_config_splitting != NULL) + VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_SPLIT, + spa->spa_config_splitting) == 0); + } + + /* + * Add the top-level config. We even add this on pools which + * don't support holes in the namespace. + */ + vdev_top_config_generate(spa, config); + + /* + * If we're splitting, record the original pool's guid. + */ + if (spa->spa_config_splitting != NULL && + nvlist_lookup_uint64(spa->spa_config_splitting, + ZPOOL_CONFIG_SPLIT_GUID, &split_guid) == 0) { + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_SPLIT_GUID, + split_guid) == 0); + } + + nvroot = vdev_config_generate(spa, vd, getstats, 0); + VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0); + nvlist_free(nvroot); + + /* + * Store what's necessary for reading the MOS in the label. + */ + VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_FEATURES_FOR_READ, + spa->spa_label_features) == 0); + + if (getstats && spa_load_state(spa) == SPA_LOAD_NONE) { + ddt_histogram_t *ddh; + ddt_stat_t *dds; + ddt_object_t *ddo; + + ddh = kmem_zalloc(sizeof (ddt_histogram_t), KM_SLEEP); + ddt_get_dedup_histogram(spa, ddh); + VERIFY(nvlist_add_uint64_array(config, + ZPOOL_CONFIG_DDT_HISTOGRAM, + (uint64_t *)ddh, sizeof (*ddh) / sizeof (uint64_t)) == 0); + kmem_free(ddh, sizeof (ddt_histogram_t)); + + ddo = kmem_zalloc(sizeof (ddt_object_t), KM_SLEEP); + ddt_get_dedup_object_stats(spa, ddo); + VERIFY(nvlist_add_uint64_array(config, + ZPOOL_CONFIG_DDT_OBJ_STATS, + (uint64_t *)ddo, sizeof (*ddo) / sizeof (uint64_t)) == 0); + kmem_free(ddo, sizeof (ddt_object_t)); + + dds = kmem_zalloc(sizeof (ddt_stat_t), KM_SLEEP); + ddt_get_dedup_stats(spa, dds); + VERIFY(nvlist_add_uint64_array(config, + ZPOOL_CONFIG_DDT_STATS, + (uint64_t *)dds, sizeof (*dds) / sizeof (uint64_t)) == 0); + kmem_free(dds, sizeof (ddt_stat_t)); + } + + if (locked) + spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG); + + return (config); +} + +/* + * Update all disk labels, generate a fresh config based on the current + * in-core state, and sync the global config cache (do not sync the config + * cache if this is a booting rootpool). + */ +void +spa_config_update(spa_t *spa, int what) +{ + vdev_t *rvd = spa->spa_root_vdev; + uint64_t txg; + int c; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + txg = spa_last_synced_txg(spa) + 1; + if (what == SPA_CONFIG_UPDATE_POOL) { + vdev_config_dirty(rvd); + } else { + /* + * If we have top-level vdevs that were added but have + * not yet been prepared for allocation, do that now. + * (It's safe now because the config cache is up to date, + * so it will be able to translate the new DVAs.) + * See comments in spa_vdev_add() for full details. + */ + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + if (tvd->vdev_ms_array == 0) + vdev_metaslab_set_size(tvd); + vdev_expand(tvd, txg); + } + } + spa_config_exit(spa, SCL_ALL, FTAG); + + /* + * Wait for the mosconfig to be regenerated and synced. + */ + txg_wait_synced(spa->spa_dsl_pool, txg); + + /* + * Update the global config cache to reflect the new mosconfig. + */ + if (!spa->spa_is_root) + spa_config_sync(spa, B_FALSE, what != SPA_CONFIG_UPDATE_POOL); + + if (what == SPA_CONFIG_UPDATE_POOL) + spa_config_update(spa, SPA_CONFIG_UPDATE_VDEVS); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(spa_config_sync); +EXPORT_SYMBOL(spa_config_load); +EXPORT_SYMBOL(spa_all_configs); +EXPORT_SYMBOL(spa_config_set); +EXPORT_SYMBOL(spa_config_generate); +EXPORT_SYMBOL(spa_config_update); + +module_param(spa_config_path, charp, 0444); +MODULE_PARM_DESC(spa_config_path, "SPA config file (/etc/zfs/zpool.cache)"); + +module_param(zfs_autoimport_disable, int, 0644); +MODULE_PARM_DESC(zfs_autoimport_disable, "Disable pool import at module load"); + +#endif diff --git a/zfs/module/zfs/spa_errlog.c b/zfs/module/zfs/spa_errlog.c new file mode 100644 index 000000000000..925e2af60402 --- /dev/null +++ b/zfs/module/zfs/spa_errlog.c @@ -0,0 +1,417 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +/* + * Routines to manage the on-disk persistent error log. + * + * Each pool stores a log of all logical data errors seen during normal + * operation. This is actually the union of two distinct logs: the last log, + * and the current log. All errors seen are logged to the current log. When a + * scrub completes, the current log becomes the last log, the last log is thrown + * out, and the current log is reinitialized. This way, if an error is somehow + * corrected, a new scrub will show that that it no longer exists, and will be + * deleted from the log when the scrub completes. + * + * The log is stored using a ZAP object whose key is a string form of the + * zbookmark_phys tuple (objset, object, level, blkid), and whose contents is an + * optional 'objset:object' human-readable string describing the data. When an + * error is first logged, this string will be empty, indicating that no name is + * known. This prevents us from having to issue a potentially large amount of + * I/O to discover the object name during an error path. Instead, we do the + * calculation when the data is requested, storing the result so future queries + * will be faster. + * + * This log is then shipped into an nvlist where the key is the dataset name and + * the value is the object name. Userland is then responsible for uniquifying + * this list and displaying it to the user. + */ + +#include +#include +#include +#include +#include + + +/* + * Convert a bookmark to a string. + */ +static void +bookmark_to_name(zbookmark_phys_t *zb, char *buf, size_t len) +{ + (void) snprintf(buf, len, "%llx:%llx:%llx:%llx", + (u_longlong_t)zb->zb_objset, (u_longlong_t)zb->zb_object, + (u_longlong_t)zb->zb_level, (u_longlong_t)zb->zb_blkid); +} + +/* + * Convert a string to a bookmark + */ +#ifdef _KERNEL +static void +name_to_bookmark(char *buf, zbookmark_phys_t *zb) +{ + zb->zb_objset = strtonum(buf, &buf); + ASSERT(*buf == ':'); + zb->zb_object = strtonum(buf + 1, &buf); + ASSERT(*buf == ':'); + zb->zb_level = (int)strtonum(buf + 1, &buf); + ASSERT(*buf == ':'); + zb->zb_blkid = strtonum(buf + 1, &buf); + ASSERT(*buf == '\0'); +} +#endif + +/* + * Log an uncorrectable error to the persistent error log. We add it to the + * spa's list of pending errors. The changes are actually synced out to disk + * during spa_errlog_sync(). + */ +void +spa_log_error(spa_t *spa, zio_t *zio) +{ + zbookmark_phys_t *zb = &zio->io_logical->io_bookmark; + spa_error_entry_t search; + spa_error_entry_t *new; + avl_tree_t *tree; + avl_index_t where; + + /* + * If we are trying to import a pool, ignore any errors, as we won't be + * writing to the pool any time soon. + */ + if (spa_load_state(spa) == SPA_LOAD_TRYIMPORT) + return; + + mutex_enter(&spa->spa_errlist_lock); + + /* + * If we have had a request to rotate the log, log it to the next list + * instead of the current one. + */ + if (spa->spa_scrub_active || spa->spa_scrub_finished) + tree = &spa->spa_errlist_scrub; + else + tree = &spa->spa_errlist_last; + + search.se_bookmark = *zb; + if (avl_find(tree, &search, &where) != NULL) { + mutex_exit(&spa->spa_errlist_lock); + return; + } + + new = kmem_zalloc(sizeof (spa_error_entry_t), KM_SLEEP); + new->se_bookmark = *zb; + avl_insert(tree, new, where); + + mutex_exit(&spa->spa_errlist_lock); +} + +/* + * Return the number of errors currently in the error log. This is actually the + * sum of both the last log and the current log, since we don't know the union + * of these logs until we reach userland. + */ +uint64_t +spa_get_errlog_size(spa_t *spa) +{ + uint64_t total = 0, count; + + mutex_enter(&spa->spa_errlog_lock); + if (spa->spa_errlog_scrub != 0 && + zap_count(spa->spa_meta_objset, spa->spa_errlog_scrub, + &count) == 0) + total += count; + + if (spa->spa_errlog_last != 0 && !spa->spa_scrub_finished && + zap_count(spa->spa_meta_objset, spa->spa_errlog_last, + &count) == 0) + total += count; + mutex_exit(&spa->spa_errlog_lock); + + mutex_enter(&spa->spa_errlist_lock); + total += avl_numnodes(&spa->spa_errlist_last); + total += avl_numnodes(&spa->spa_errlist_scrub); + mutex_exit(&spa->spa_errlist_lock); + + return (total); +} + +#ifdef _KERNEL +static int +process_error_log(spa_t *spa, uint64_t obj, void *addr, size_t *count) +{ + zap_cursor_t zc; + zap_attribute_t za; + zbookmark_phys_t zb; + + if (obj == 0) + return (0); + + for (zap_cursor_init(&zc, spa->spa_meta_objset, obj); + zap_cursor_retrieve(&zc, &za) == 0; + zap_cursor_advance(&zc)) { + + if (*count == 0) { + zap_cursor_fini(&zc); + return (SET_ERROR(ENOMEM)); + } + + name_to_bookmark(za.za_name, &zb); + + if (copyout(&zb, (char *)addr + + (*count - 1) * sizeof (zbookmark_phys_t), + sizeof (zbookmark_phys_t)) != 0) { + zap_cursor_fini(&zc); + return (SET_ERROR(EFAULT)); + } + + *count -= 1; + } + + zap_cursor_fini(&zc); + + return (0); +} + +static int +process_error_list(avl_tree_t *list, void *addr, size_t *count) +{ + spa_error_entry_t *se; + + for (se = avl_first(list); se != NULL; se = AVL_NEXT(list, se)) { + + if (*count == 0) + return (SET_ERROR(ENOMEM)); + + if (copyout(&se->se_bookmark, (char *)addr + + (*count - 1) * sizeof (zbookmark_phys_t), + sizeof (zbookmark_phys_t)) != 0) + return (SET_ERROR(EFAULT)); + + *count -= 1; + } + + return (0); +} +#endif + +/* + * Copy all known errors to userland as an array of bookmarks. This is + * actually a union of the on-disk last log and current log, as well as any + * pending error requests. + * + * Because the act of reading the on-disk log could cause errors to be + * generated, we have two separate locks: one for the error log and one for the + * in-core error lists. We only need the error list lock to log and error, so + * we grab the error log lock while we read the on-disk logs, and only pick up + * the error list lock when we are finished. + */ +int +spa_get_errlog(spa_t *spa, void *uaddr, size_t *count) +{ + int ret = 0; + +#ifdef _KERNEL + mutex_enter(&spa->spa_errlog_lock); + + ret = process_error_log(spa, spa->spa_errlog_scrub, uaddr, count); + + if (!ret && !spa->spa_scrub_finished) + ret = process_error_log(spa, spa->spa_errlog_last, uaddr, + count); + + mutex_enter(&spa->spa_errlist_lock); + if (!ret) + ret = process_error_list(&spa->spa_errlist_scrub, uaddr, + count); + if (!ret) + ret = process_error_list(&spa->spa_errlist_last, uaddr, + count); + mutex_exit(&spa->spa_errlist_lock); + + mutex_exit(&spa->spa_errlog_lock); +#endif + + return (ret); +} + +/* + * Called when a scrub completes. This simply set a bit which tells which AVL + * tree to add new errors. spa_errlog_sync() is responsible for actually + * syncing the changes to the underlying objects. + */ +void +spa_errlog_rotate(spa_t *spa) +{ + mutex_enter(&spa->spa_errlist_lock); + spa->spa_scrub_finished = B_TRUE; + mutex_exit(&spa->spa_errlist_lock); +} + +/* + * Discard any pending errors from the spa_t. Called when unloading a faulted + * pool, as the errors encountered during the open cannot be synced to disk. + */ +void +spa_errlog_drain(spa_t *spa) +{ + spa_error_entry_t *se; + void *cookie; + + mutex_enter(&spa->spa_errlist_lock); + + cookie = NULL; + while ((se = avl_destroy_nodes(&spa->spa_errlist_last, + &cookie)) != NULL) + kmem_free(se, sizeof (spa_error_entry_t)); + cookie = NULL; + while ((se = avl_destroy_nodes(&spa->spa_errlist_scrub, + &cookie)) != NULL) + kmem_free(se, sizeof (spa_error_entry_t)); + + mutex_exit(&spa->spa_errlist_lock); +} + +/* + * Process a list of errors into the current on-disk log. + */ +static void +sync_error_list(spa_t *spa, avl_tree_t *t, uint64_t *obj, dmu_tx_t *tx) +{ + spa_error_entry_t *se; + char buf[64]; + void *cookie; + + if (avl_numnodes(t) != 0) { + /* create log if necessary */ + if (*obj == 0) + *obj = zap_create(spa->spa_meta_objset, + DMU_OT_ERROR_LOG, DMU_OT_NONE, + 0, tx); + + /* add errors to the current log */ + for (se = avl_first(t); se != NULL; se = AVL_NEXT(t, se)) { + char *name = se->se_name ? se->se_name : ""; + + bookmark_to_name(&se->se_bookmark, buf, sizeof (buf)); + + (void) zap_update(spa->spa_meta_objset, + *obj, buf, 1, strlen(name) + 1, name, tx); + } + + /* purge the error list */ + cookie = NULL; + while ((se = avl_destroy_nodes(t, &cookie)) != NULL) + kmem_free(se, sizeof (spa_error_entry_t)); + } +} + +/* + * Sync the error log out to disk. This is a little tricky because the act of + * writing the error log requires the spa_errlist_lock. So, we need to lock the + * error lists, take a copy of the lists, and then reinitialize them. Then, we + * drop the error list lock and take the error log lock, at which point we + * do the errlog processing. Then, if we encounter an I/O error during this + * process, we can successfully add the error to the list. Note that this will + * result in the perpetual recycling of errors, but it is an unlikely situation + * and not a performance critical operation. + */ +void +spa_errlog_sync(spa_t *spa, uint64_t txg) +{ + dmu_tx_t *tx; + avl_tree_t scrub, last; + int scrub_finished; + + mutex_enter(&spa->spa_errlist_lock); + + /* + * Bail out early under normal circumstances. + */ + if (avl_numnodes(&spa->spa_errlist_scrub) == 0 && + avl_numnodes(&spa->spa_errlist_last) == 0 && + !spa->spa_scrub_finished) { + mutex_exit(&spa->spa_errlist_lock); + return; + } + + spa_get_errlists(spa, &last, &scrub); + scrub_finished = spa->spa_scrub_finished; + spa->spa_scrub_finished = B_FALSE; + + mutex_exit(&spa->spa_errlist_lock); + mutex_enter(&spa->spa_errlog_lock); + + tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); + + /* + * Sync out the current list of errors. + */ + sync_error_list(spa, &last, &spa->spa_errlog_last, tx); + + /* + * Rotate the log if necessary. + */ + if (scrub_finished) { + if (spa->spa_errlog_last != 0) + VERIFY(dmu_object_free(spa->spa_meta_objset, + spa->spa_errlog_last, tx) == 0); + spa->spa_errlog_last = spa->spa_errlog_scrub; + spa->spa_errlog_scrub = 0; + + sync_error_list(spa, &scrub, &spa->spa_errlog_last, tx); + } + + /* + * Sync out any pending scrub errors. + */ + sync_error_list(spa, &scrub, &spa->spa_errlog_scrub, tx); + + /* + * Update the MOS to reflect the new values. + */ + (void) zap_update(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_ERRLOG_LAST, sizeof (uint64_t), 1, + &spa->spa_errlog_last, tx); + (void) zap_update(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_ERRLOG_SCRUB, sizeof (uint64_t), 1, + &spa->spa_errlog_scrub, tx); + + dmu_tx_commit(tx); + + mutex_exit(&spa->spa_errlog_lock); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +/* error handling */ +EXPORT_SYMBOL(spa_log_error); +EXPORT_SYMBOL(spa_get_errlog_size); +EXPORT_SYMBOL(spa_get_errlog); +EXPORT_SYMBOL(spa_errlog_rotate); +EXPORT_SYMBOL(spa_errlog_drain); +EXPORT_SYMBOL(spa_errlog_sync); +EXPORT_SYMBOL(spa_get_errlists); +#endif diff --git a/zfs/module/zfs/spa_history.c b/zfs/module/zfs/spa_history.c new file mode 100644 index 000000000000..01aa4641e63f --- /dev/null +++ b/zfs/module/zfs/spa_history.c @@ -0,0 +1,547 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "zfs_comutil.h" +#ifdef _KERNEL +#include +#endif + +/* + * Routines to manage the on-disk history log. + * + * The history log is stored as a dmu object containing + * tuples. + * + * Where "record nvlist" is a nvlist containing uint64_ts and strings, and + * "packed record length" is the packed length of the "record nvlist" stored + * as a little endian uint64_t. + * + * The log is implemented as a ring buffer, though the original creation + * of the pool ('zpool create') is never overwritten. + * + * The history log is tracked as object 'spa_t::spa_history'. The bonus buffer + * of 'spa_history' stores the offsets for logging/retrieving history as + * 'spa_history_phys_t'. 'sh_pool_create_len' is the ending offset in bytes of + * where the 'zpool create' record is stored. This allows us to never + * overwrite the original creation of the pool. 'sh_phys_max_off' is the + * physical ending offset in bytes of the log. This tells you the length of + * the buffer. 'sh_eof' is the logical EOF (in bytes). Whenever a record + * is added, 'sh_eof' is incremented by the the size of the record. + * 'sh_eof' is never decremented. 'sh_bof' is the logical BOF (in bytes). + * This is where the consumer should start reading from after reading in + * the 'zpool create' portion of the log. + * + * 'sh_records_lost' keeps track of how many records have been overwritten + * and permanently lost. + */ + +/* convert a logical offset to physical */ +static uint64_t +spa_history_log_to_phys(uint64_t log_off, spa_history_phys_t *shpp) +{ + uint64_t phys_len; + + phys_len = shpp->sh_phys_max_off - shpp->sh_pool_create_len; + return ((log_off - shpp->sh_pool_create_len) % phys_len + + shpp->sh_pool_create_len); +} + +void +spa_history_create_obj(spa_t *spa, dmu_tx_t *tx) +{ + dmu_buf_t *dbp; + spa_history_phys_t *shpp; + objset_t *mos = spa->spa_meta_objset; + + ASSERT(spa->spa_history == 0); + spa->spa_history = dmu_object_alloc(mos, DMU_OT_SPA_HISTORY, + SPA_OLD_MAXBLOCKSIZE, DMU_OT_SPA_HISTORY_OFFSETS, + sizeof (spa_history_phys_t), tx); + + VERIFY(zap_add(mos, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_HISTORY, sizeof (uint64_t), 1, + &spa->spa_history, tx) == 0); + + VERIFY(0 == dmu_bonus_hold(mos, spa->spa_history, FTAG, &dbp)); + ASSERT(dbp->db_size >= sizeof (spa_history_phys_t)); + + shpp = dbp->db_data; + dmu_buf_will_dirty(dbp, tx); + + /* + * Figure out maximum size of history log. We set it at + * 0.1% of pool size, with a max of 1G and min of 128KB. + */ + shpp->sh_phys_max_off = + metaslab_class_get_dspace(spa_normal_class(spa)) / 1000; + shpp->sh_phys_max_off = MIN(shpp->sh_phys_max_off, 1<<30); + shpp->sh_phys_max_off = MAX(shpp->sh_phys_max_off, 128<<10); + + dmu_buf_rele(dbp, FTAG); +} + +/* + * Change 'sh_bof' to the beginning of the next record. + */ +static int +spa_history_advance_bof(spa_t *spa, spa_history_phys_t *shpp) +{ + objset_t *mos = spa->spa_meta_objset; + uint64_t firstread, reclen, phys_bof; + char buf[sizeof (reclen)]; + int err; + + phys_bof = spa_history_log_to_phys(shpp->sh_bof, shpp); + firstread = MIN(sizeof (reclen), shpp->sh_phys_max_off - phys_bof); + + if ((err = dmu_read(mos, spa->spa_history, phys_bof, firstread, + buf, DMU_READ_PREFETCH)) != 0) + return (err); + if (firstread != sizeof (reclen)) { + if ((err = dmu_read(mos, spa->spa_history, + shpp->sh_pool_create_len, sizeof (reclen) - firstread, + buf + firstread, DMU_READ_PREFETCH)) != 0) + return (err); + } + + reclen = LE_64(*((uint64_t *)buf)); + shpp->sh_bof += reclen + sizeof (reclen); + shpp->sh_records_lost++; + return (0); +} + +static int +spa_history_write(spa_t *spa, void *buf, uint64_t len, spa_history_phys_t *shpp, + dmu_tx_t *tx) +{ + uint64_t firstwrite, phys_eof; + objset_t *mos = spa->spa_meta_objset; + int err; + + ASSERT(MUTEX_HELD(&spa->spa_history_lock)); + + /* see if we need to reset logical BOF */ + while (shpp->sh_phys_max_off - shpp->sh_pool_create_len - + (shpp->sh_eof - shpp->sh_bof) <= len) { + if ((err = spa_history_advance_bof(spa, shpp)) != 0) { + return (err); + } + } + + phys_eof = spa_history_log_to_phys(shpp->sh_eof, shpp); + firstwrite = MIN(len, shpp->sh_phys_max_off - phys_eof); + shpp->sh_eof += len; + dmu_write(mos, spa->spa_history, phys_eof, firstwrite, buf, tx); + + len -= firstwrite; + if (len > 0) { + /* write out the rest at the beginning of physical file */ + dmu_write(mos, spa->spa_history, shpp->sh_pool_create_len, + len, (char *)buf + firstwrite, tx); + } + + return (0); +} + +static char * +spa_history_zone(void) +{ +#ifdef _KERNEL +#ifdef HAVE_SPL + return ("linux"); +#else + return (curproc->p_zone->zone_name); +#endif +#else + return (NULL); +#endif +} + +/* + * Write out a history event. + */ +/*ARGSUSED*/ +static void +spa_history_log_sync(void *arg, dmu_tx_t *tx) +{ + nvlist_t *nvl = arg; + spa_t *spa = dmu_tx_pool(tx)->dp_spa; + objset_t *mos = spa->spa_meta_objset; + dmu_buf_t *dbp; + spa_history_phys_t *shpp; + size_t reclen; + uint64_t le_len; + char *record_packed = NULL; + int ret; + + /* + * If we have an older pool that doesn't have a command + * history object, create it now. + */ + mutex_enter(&spa->spa_history_lock); + if (!spa->spa_history) + spa_history_create_obj(spa, tx); + mutex_exit(&spa->spa_history_lock); + + /* + * Get the offset of where we need to write via the bonus buffer. + * Update the offset when the write completes. + */ + VERIFY0(dmu_bonus_hold(mos, spa->spa_history, FTAG, &dbp)); + shpp = dbp->db_data; + + dmu_buf_will_dirty(dbp, tx); + +#ifdef ZFS_DEBUG + { + dmu_object_info_t doi; + dmu_object_info_from_db(dbp, &doi); + ASSERT3U(doi.doi_bonus_type, ==, DMU_OT_SPA_HISTORY_OFFSETS); + } +#endif + + fnvlist_add_uint64(nvl, ZPOOL_HIST_TIME, gethrestime_sec()); + fnvlist_add_string(nvl, ZPOOL_HIST_HOST, utsname()->nodename); + + if (nvlist_exists(nvl, ZPOOL_HIST_CMD)) { + zfs_dbgmsg("command: %s", + fnvlist_lookup_string(nvl, ZPOOL_HIST_CMD)); + } else if (nvlist_exists(nvl, ZPOOL_HIST_INT_NAME)) { + if (nvlist_exists(nvl, ZPOOL_HIST_DSNAME)) { + zfs_dbgmsg("txg %lld %s %s (id %llu) %s", + fnvlist_lookup_uint64(nvl, ZPOOL_HIST_TXG), + fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_NAME), + fnvlist_lookup_string(nvl, ZPOOL_HIST_DSNAME), + fnvlist_lookup_uint64(nvl, ZPOOL_HIST_DSID), + fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_STR)); + } else { + zfs_dbgmsg("txg %lld %s %s", + fnvlist_lookup_uint64(nvl, ZPOOL_HIST_TXG), + fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_NAME), + fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_STR)); + } + } else if (nvlist_exists(nvl, ZPOOL_HIST_IOCTL)) { + zfs_dbgmsg("ioctl %s", + fnvlist_lookup_string(nvl, ZPOOL_HIST_IOCTL)); + } + + VERIFY3U(nvlist_pack(nvl, &record_packed, &reclen, NV_ENCODE_NATIVE, + KM_SLEEP), ==, 0); + + mutex_enter(&spa->spa_history_lock); + + /* write out the packed length as little endian */ + le_len = LE_64((uint64_t)reclen); + ret = spa_history_write(spa, &le_len, sizeof (le_len), shpp, tx); + if (!ret) + ret = spa_history_write(spa, record_packed, reclen, shpp, tx); + + /* The first command is the create, which we keep forever */ + if (ret == 0 && shpp->sh_pool_create_len == 0 && + nvlist_exists(nvl, ZPOOL_HIST_CMD)) { + shpp->sh_pool_create_len = shpp->sh_bof = shpp->sh_eof; + } + + mutex_exit(&spa->spa_history_lock); + fnvlist_pack_free(record_packed, reclen); + dmu_buf_rele(dbp, FTAG); + fnvlist_free(nvl); +} + +/* + * Write out a history event. + */ +int +spa_history_log(spa_t *spa, const char *msg) +{ + int err; + nvlist_t *nvl = fnvlist_alloc(); + + fnvlist_add_string(nvl, ZPOOL_HIST_CMD, msg); + err = spa_history_log_nvl(spa, nvl); + fnvlist_free(nvl); + return (err); +} + +int +spa_history_log_nvl(spa_t *spa, nvlist_t *nvl) +{ + int err = 0; + dmu_tx_t *tx; + nvlist_t *nvarg; + + if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY || !spa_writeable(spa)) + return (SET_ERROR(EINVAL)); + + tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err) { + dmu_tx_abort(tx); + return (err); + } + + VERIFY0(nvlist_dup(nvl, &nvarg, KM_SLEEP)); + if (spa_history_zone() != NULL) { + fnvlist_add_string(nvarg, ZPOOL_HIST_ZONE, + spa_history_zone()); + } + fnvlist_add_uint64(nvarg, ZPOOL_HIST_WHO, crgetruid(CRED())); + + /* Kick this off asynchronously; errors are ignored. */ + dsl_sync_task_nowait(spa_get_dsl(spa), spa_history_log_sync, + nvarg, 0, ZFS_SPACE_CHECK_NONE, tx); + dmu_tx_commit(tx); + + /* spa_history_log_sync will free nvl */ + return (err); + +} + +/* + * Read out the command history. + */ +int +spa_history_get(spa_t *spa, uint64_t *offp, uint64_t *len, char *buf) +{ + objset_t *mos = spa->spa_meta_objset; + dmu_buf_t *dbp; + uint64_t read_len, phys_read_off, phys_eof; + uint64_t leftover = 0; + spa_history_phys_t *shpp; + int err; + + /* + * If the command history doesn't exist (older pool), + * that's ok, just return ENOENT. + */ + if (!spa->spa_history) + return (SET_ERROR(ENOENT)); + + /* + * The history is logged asynchronously, so when they request + * the first chunk of history, make sure everything has been + * synced to disk so that we get it. + */ + if (*offp == 0 && spa_writeable(spa)) + txg_wait_synced(spa_get_dsl(spa), 0); + + if ((err = dmu_bonus_hold(mos, spa->spa_history, FTAG, &dbp)) != 0) + return (err); + shpp = dbp->db_data; + +#ifdef ZFS_DEBUG + { + dmu_object_info_t doi; + dmu_object_info_from_db(dbp, &doi); + ASSERT3U(doi.doi_bonus_type, ==, DMU_OT_SPA_HISTORY_OFFSETS); + } +#endif + + mutex_enter(&spa->spa_history_lock); + phys_eof = spa_history_log_to_phys(shpp->sh_eof, shpp); + + if (*offp < shpp->sh_pool_create_len) { + /* read in just the zpool create history */ + phys_read_off = *offp; + read_len = MIN(*len, shpp->sh_pool_create_len - + phys_read_off); + } else { + /* + * Need to reset passed in offset to BOF if the passed in + * offset has since been overwritten. + */ + *offp = MAX(*offp, shpp->sh_bof); + phys_read_off = spa_history_log_to_phys(*offp, shpp); + + /* + * Read up to the minimum of what the user passed down or + * the EOF (physical or logical). If we hit physical EOF, + * use 'leftover' to read from the physical BOF. + */ + if (phys_read_off <= phys_eof) { + read_len = MIN(*len, phys_eof - phys_read_off); + } else { + read_len = MIN(*len, + shpp->sh_phys_max_off - phys_read_off); + if (phys_read_off + *len > shpp->sh_phys_max_off) { + leftover = MIN(*len - read_len, + phys_eof - shpp->sh_pool_create_len); + } + } + } + + /* offset for consumer to use next */ + *offp += read_len + leftover; + + /* tell the consumer how much you actually read */ + *len = read_len + leftover; + + if (read_len == 0) { + mutex_exit(&spa->spa_history_lock); + dmu_buf_rele(dbp, FTAG); + return (0); + } + + err = dmu_read(mos, spa->spa_history, phys_read_off, read_len, buf, + DMU_READ_PREFETCH); + if (leftover && err == 0) { + err = dmu_read(mos, spa->spa_history, shpp->sh_pool_create_len, + leftover, buf + read_len, DMU_READ_PREFETCH); + } + mutex_exit(&spa->spa_history_lock); + + dmu_buf_rele(dbp, FTAG); + return (err); +} + +/* + * The nvlist will be consumed by this call. + */ +static void +log_internal(nvlist_t *nvl, const char *operation, spa_t *spa, + dmu_tx_t *tx, const char *fmt, va_list adx) +{ + char *msg; + + /* + * If this is part of creating a pool, not everything is + * initialized yet, so don't bother logging the internal events. + * Likewise if the pool is not writeable. + */ + if (tx->tx_txg == TXG_INITIAL || !spa_writeable(spa)) { + fnvlist_free(nvl); + return; + } + + msg = kmem_vasprintf(fmt, adx); + fnvlist_add_string(nvl, ZPOOL_HIST_INT_STR, msg); + strfree(msg); + + fnvlist_add_string(nvl, ZPOOL_HIST_INT_NAME, operation); + fnvlist_add_uint64(nvl, ZPOOL_HIST_TXG, tx->tx_txg); + + if (dmu_tx_is_syncing(tx)) { + spa_history_log_sync(nvl, tx); + } else { + dsl_sync_task_nowait(spa_get_dsl(spa), + spa_history_log_sync, nvl, 0, ZFS_SPACE_CHECK_NONE, tx); + } + /* spa_history_log_sync() will free nvl */ +} + +void +spa_history_log_internal(spa_t *spa, const char *operation, + dmu_tx_t *tx, const char *fmt, ...) +{ + dmu_tx_t *htx = tx; + va_list adx; + + /* create a tx if we didn't get one */ + if (tx == NULL) { + htx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir); + if (dmu_tx_assign(htx, TXG_WAIT) != 0) { + dmu_tx_abort(htx); + return; + } + } + + va_start(adx, fmt); + log_internal(fnvlist_alloc(), operation, spa, htx, fmt, adx); + va_end(adx); + + /* if we didn't get a tx from the caller, commit the one we made */ + if (tx == NULL) + dmu_tx_commit(htx); +} + +void +spa_history_log_internal_ds(dsl_dataset_t *ds, const char *operation, + dmu_tx_t *tx, const char *fmt, ...) +{ + va_list adx; + char namebuf[MAXNAMELEN]; + nvlist_t *nvl = fnvlist_alloc(); + + ASSERT(tx != NULL); + + dsl_dataset_name(ds, namebuf); + fnvlist_add_string(nvl, ZPOOL_HIST_DSNAME, namebuf); + fnvlist_add_uint64(nvl, ZPOOL_HIST_DSID, ds->ds_object); + + va_start(adx, fmt); + log_internal(nvl, operation, dsl_dataset_get_spa(ds), tx, fmt, adx); + va_end(adx); +} + +void +spa_history_log_internal_dd(dsl_dir_t *dd, const char *operation, + dmu_tx_t *tx, const char *fmt, ...) +{ + va_list adx; + char namebuf[MAXNAMELEN]; + nvlist_t *nvl = fnvlist_alloc(); + + ASSERT(tx != NULL); + + dsl_dir_name(dd, namebuf); + fnvlist_add_string(nvl, ZPOOL_HIST_DSNAME, namebuf); + fnvlist_add_uint64(nvl, ZPOOL_HIST_DSID, + dsl_dir_phys(dd)->dd_head_dataset_obj); + + va_start(adx, fmt); + log_internal(nvl, operation, dd->dd_pool->dp_spa, tx, fmt, adx); + va_end(adx); +} + +void +spa_history_log_version(spa_t *spa, const char *operation) +{ + utsname_t *u = utsname(); + + spa_history_log_internal(spa, operation, NULL, + "pool version %llu; software version %llu/%d; uts %s %s %s %s", + (u_longlong_t)spa_version(spa), SPA_VERSION, ZPL_VERSION, + u->nodename, u->release, u->version, u->machine); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(spa_history_create_obj); +EXPORT_SYMBOL(spa_history_get); +EXPORT_SYMBOL(spa_history_log); +EXPORT_SYMBOL(spa_history_log_internal); +EXPORT_SYMBOL(spa_history_log_version); +#endif diff --git a/zfs/module/zfs/spa_misc.c b/zfs/module/zfs/spa_misc.c new file mode 100644 index 000000000000..409dce121212 --- /dev/null +++ b/zfs/module/zfs/spa_misc.c @@ -0,0 +1,2100 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "zfs_prop.h" +#include "zfeature_common.h" + +/* + * SPA locking + * + * There are four basic locks for managing spa_t structures: + * + * spa_namespace_lock (global mutex) + * + * This lock must be acquired to do any of the following: + * + * - Lookup a spa_t by name + * - Add or remove a spa_t from the namespace + * - Increase spa_refcount from non-zero + * - Check if spa_refcount is zero + * - Rename a spa_t + * - add/remove/attach/detach devices + * - Held for the duration of create/destroy/import/export + * + * It does not need to handle recursion. A create or destroy may + * reference objects (files or zvols) in other pools, but by + * definition they must have an existing reference, and will never need + * to lookup a spa_t by name. + * + * spa_refcount (per-spa refcount_t protected by mutex) + * + * This reference count keep track of any active users of the spa_t. The + * spa_t cannot be destroyed or freed while this is non-zero. Internally, + * the refcount is never really 'zero' - opening a pool implicitly keeps + * some references in the DMU. Internally we check against spa_minref, but + * present the image of a zero/non-zero value to consumers. + * + * spa_config_lock[] (per-spa array of rwlocks) + * + * This protects the spa_t from config changes, and must be held in + * the following circumstances: + * + * - RW_READER to perform I/O to the spa + * - RW_WRITER to change the vdev config + * + * The locking order is fairly straightforward: + * + * spa_namespace_lock -> spa_refcount + * + * The namespace lock must be acquired to increase the refcount from 0 + * or to check if it is zero. + * + * spa_refcount -> spa_config_lock[] + * + * There must be at least one valid reference on the spa_t to acquire + * the config lock. + * + * spa_namespace_lock -> spa_config_lock[] + * + * The namespace lock must always be taken before the config lock. + * + * + * The spa_namespace_lock can be acquired directly and is globally visible. + * + * The namespace is manipulated using the following functions, all of which + * require the spa_namespace_lock to be held. + * + * spa_lookup() Lookup a spa_t by name. + * + * spa_add() Create a new spa_t in the namespace. + * + * spa_remove() Remove a spa_t from the namespace. This also + * frees up any memory associated with the spa_t. + * + * spa_next() Returns the next spa_t in the system, or the + * first if NULL is passed. + * + * spa_evict_all() Shutdown and remove all spa_t structures in + * the system. + * + * spa_guid_exists() Determine whether a pool/device guid exists. + * + * The spa_refcount is manipulated using the following functions: + * + * spa_open_ref() Adds a reference to the given spa_t. Must be + * called with spa_namespace_lock held if the + * refcount is currently zero. + * + * spa_close() Remove a reference from the spa_t. This will + * not free the spa_t or remove it from the + * namespace. No locking is required. + * + * spa_refcount_zero() Returns true if the refcount is currently + * zero. Must be called with spa_namespace_lock + * held. + * + * The spa_config_lock[] is an array of rwlocks, ordered as follows: + * SCL_CONFIG > SCL_STATE > SCL_ALLOC > SCL_ZIO > SCL_FREE > SCL_VDEV. + * spa_config_lock[] is manipulated with spa_config_{enter,exit,held}(). + * + * To read the configuration, it suffices to hold one of these locks as reader. + * To modify the configuration, you must hold all locks as writer. To modify + * vdev state without altering the vdev tree's topology (e.g. online/offline), + * you must hold SCL_STATE and SCL_ZIO as writer. + * + * We use these distinct config locks to avoid recursive lock entry. + * For example, spa_sync() (which holds SCL_CONFIG as reader) induces + * block allocations (SCL_ALLOC), which may require reading space maps + * from disk (dmu_read() -> zio_read() -> SCL_ZIO). + * + * The spa config locks cannot be normal rwlocks because we need the + * ability to hand off ownership. For example, SCL_ZIO is acquired + * by the issuing thread and later released by an interrupt thread. + * They do, however, obey the usual write-wanted semantics to prevent + * writer (i.e. system administrator) starvation. + * + * The lock acquisition rules are as follows: + * + * SCL_CONFIG + * Protects changes to the vdev tree topology, such as vdev + * add/remove/attach/detach. Protects the dirty config list + * (spa_config_dirty_list) and the set of spares and l2arc devices. + * + * SCL_STATE + * Protects changes to pool state and vdev state, such as vdev + * online/offline/fault/degrade/clear. Protects the dirty state list + * (spa_state_dirty_list) and global pool state (spa_state). + * + * SCL_ALLOC + * Protects changes to metaslab groups and classes. + * Held as reader by metaslab_alloc() and metaslab_claim(). + * + * SCL_ZIO + * Held by bp-level zios (those which have no io_vd upon entry) + * to prevent changes to the vdev tree. The bp-level zio implicitly + * protects all of its vdev child zios, which do not hold SCL_ZIO. + * + * SCL_FREE + * Protects changes to metaslab groups and classes. + * Held as reader by metaslab_free(). SCL_FREE is distinct from + * SCL_ALLOC, and lower than SCL_ZIO, so that we can safely free + * blocks in zio_done() while another i/o that holds either + * SCL_ALLOC or SCL_ZIO is waiting for this i/o to complete. + * + * SCL_VDEV + * Held as reader to prevent changes to the vdev tree during trivial + * inquiries such as bp_get_dsize(). SCL_VDEV is distinct from the + * other locks, and lower than all of them, to ensure that it's safe + * to acquire regardless of caller context. + * + * In addition, the following rules apply: + * + * (a) spa_props_lock protects pool properties, spa_config and spa_config_list. + * The lock ordering is SCL_CONFIG > spa_props_lock. + * + * (b) I/O operations on leaf vdevs. For any zio operation that takes + * an explicit vdev_t argument -- such as zio_ioctl(), zio_read_phys(), + * or zio_write_phys() -- the caller must ensure that the config cannot + * cannot change in the interim, and that the vdev cannot be reopened. + * SCL_STATE as reader suffices for both. + * + * The vdev configuration is protected by spa_vdev_enter() / spa_vdev_exit(). + * + * spa_vdev_enter() Acquire the namespace lock and the config lock + * for writing. + * + * spa_vdev_exit() Release the config lock, wait for all I/O + * to complete, sync the updated configs to the + * cache, and release the namespace lock. + * + * vdev state is protected by spa_vdev_state_enter() / spa_vdev_state_exit(). + * Like spa_vdev_enter/exit, these are convenience wrappers -- the actual + * locking is, always, based on spa_namespace_lock and spa_config_lock[]. + * + * spa_rename() is also implemented within this file since it requires + * manipulation of the namespace. + */ + +static avl_tree_t spa_namespace_avl; +kmutex_t spa_namespace_lock; +static kcondvar_t spa_namespace_cv; +int spa_max_replication_override = SPA_DVAS_PER_BP; + +static kmutex_t spa_spare_lock; +static avl_tree_t spa_spare_avl; +static kmutex_t spa_l2cache_lock; +static avl_tree_t spa_l2cache_avl; + +kmem_cache_t *spa_buffer_pool; +int spa_mode_global; + +#ifdef ZFS_DEBUG +/* Everything except dprintf and spa is on by default in debug builds */ +int zfs_flags = ~(ZFS_DEBUG_DPRINTF | ZFS_DEBUG_SPA); +#else +int zfs_flags = 0; +#endif + +/* + * zfs_recover can be set to nonzero to attempt to recover from + * otherwise-fatal errors, typically caused by on-disk corruption. When + * set, calls to zfs_panic_recover() will turn into warning messages. + * This should only be used as a last resort, as it typically results + * in leaked space, or worse. + */ +int zfs_recover = B_FALSE; + +/* + * If destroy encounters an EIO while reading metadata (e.g. indirect + * blocks), space referenced by the missing metadata can not be freed. + * Normally this causes the background destroy to become "stalled", as + * it is unable to make forward progress. While in this stalled state, + * all remaining space to free from the error-encountering filesystem is + * "temporarily leaked". Set this flag to cause it to ignore the EIO, + * permanently leak the space from indirect blocks that can not be read, + * and continue to free everything else that it can. + * + * The default, "stalling" behavior is useful if the storage partially + * fails (i.e. some but not all i/os fail), and then later recovers. In + * this case, we will be able to continue pool operations while it is + * partially failed, and when it recovers, we can continue to free the + * space, with no leaks. However, note that this case is actually + * fairly rare. + * + * Typically pools either (a) fail completely (but perhaps temporarily, + * e.g. a top-level vdev going offline), or (b) have localized, + * permanent errors (e.g. disk returns the wrong data due to bit flip or + * firmware bug). In case (a), this setting does not matter because the + * pool will be suspended and the sync thread will not be able to make + * forward progress regardless. In case (b), because the error is + * permanent, the best we can do is leak the minimum amount of space, + * which is what setting this flag will do. Therefore, it is reasonable + * for this flag to normally be set, but we chose the more conservative + * approach of not setting it, so that there is no possibility of + * leaking space in the "partial temporary" failure case. + */ +int zfs_free_leak_on_eio = B_FALSE; + +/* + * Expiration time in milliseconds. This value has two meanings. First it is + * used to determine when the spa_deadman() logic should fire. By default the + * spa_deadman() will fire if spa_sync() has not completed in 1000 seconds. + * Secondly, the value determines if an I/O is considered "hung". Any I/O that + * has not completed in zfs_deadman_synctime_ms is considered "hung" resulting + * in a system panic. + */ +unsigned long zfs_deadman_synctime_ms = 1000000ULL; + +/* + * By default the deadman is enabled. + */ +int zfs_deadman_enabled = 1; + +/* + * The worst case is single-sector max-parity RAID-Z blocks, in which + * case the space requirement is exactly (VDEV_RAIDZ_MAXPARITY + 1) + * times the size; so just assume that. Add to this the fact that + * we can have up to 3 DVAs per bp, and one more factor of 2 because + * the block may be dittoed with up to 3 DVAs by ddt_sync(). All together, + * the worst case is: + * (VDEV_RAIDZ_MAXPARITY + 1) * SPA_DVAS_PER_BP * 2 == 24 + */ +int spa_asize_inflation = 24; + +/* + * Normally, we don't allow the last 3.2% (1/(2^spa_slop_shift)) of space in + * the pool to be consumed. This ensures that we don't run the pool + * completely out of space, due to unaccounted changes (e.g. to the MOS). + * It also limits the worst-case time to allocate space. If we have + * less than this amount of free space, most ZPL operations (e.g. write, + * create) will return ENOSPC. + * + * Certain operations (e.g. file removal, most administrative actions) can + * use half the slop space. They will only return ENOSPC if less than half + * the slop space is free. Typically, once the pool has less than the slop + * space free, the user will use these operations to free up space in the pool. + * These are the operations that call dsl_pool_adjustedsize() with the netfree + * argument set to TRUE. + * + * A very restricted set of operations are always permitted, regardless of + * the amount of free space. These are the operations that call + * dsl_sync_task(ZFS_SPACE_CHECK_NONE), e.g. "zfs destroy". If these + * operations result in a net increase in the amount of space used, + * it is possible to run the pool completely out of space, causing it to + * be permanently read-only. + * + * See also the comments in zfs_space_check_t. + */ +int spa_slop_shift = 5; + +/* + * ========================================================================== + * SPA config locking + * ========================================================================== + */ +static void +spa_config_lock_init(spa_t *spa) +{ + int i; + + for (i = 0; i < SCL_LOCKS; i++) { + spa_config_lock_t *scl = &spa->spa_config_lock[i]; + mutex_init(&scl->scl_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&scl->scl_cv, NULL, CV_DEFAULT, NULL); + refcount_create_untracked(&scl->scl_count); + scl->scl_writer = NULL; + scl->scl_write_wanted = 0; + } +} + +static void +spa_config_lock_destroy(spa_t *spa) +{ + int i; + + for (i = 0; i < SCL_LOCKS; i++) { + spa_config_lock_t *scl = &spa->spa_config_lock[i]; + mutex_destroy(&scl->scl_lock); + cv_destroy(&scl->scl_cv); + refcount_destroy(&scl->scl_count); + ASSERT(scl->scl_writer == NULL); + ASSERT(scl->scl_write_wanted == 0); + } +} + +int +spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw) +{ + int i; + + for (i = 0; i < SCL_LOCKS; i++) { + spa_config_lock_t *scl = &spa->spa_config_lock[i]; + if (!(locks & (1 << i))) + continue; + mutex_enter(&scl->scl_lock); + if (rw == RW_READER) { + if (scl->scl_writer || scl->scl_write_wanted) { + mutex_exit(&scl->scl_lock); + spa_config_exit(spa, locks ^ (1 << i), tag); + return (0); + } + } else { + ASSERT(scl->scl_writer != curthread); + if (!refcount_is_zero(&scl->scl_count)) { + mutex_exit(&scl->scl_lock); + spa_config_exit(spa, locks ^ (1 << i), tag); + return (0); + } + scl->scl_writer = curthread; + } + (void) refcount_add(&scl->scl_count, tag); + mutex_exit(&scl->scl_lock); + } + return (1); +} + +void +spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw) +{ + int wlocks_held = 0; + int i; + + ASSERT3U(SCL_LOCKS, <, sizeof (wlocks_held) * NBBY); + + for (i = 0; i < SCL_LOCKS; i++) { + spa_config_lock_t *scl = &spa->spa_config_lock[i]; + if (scl->scl_writer == curthread) + wlocks_held |= (1 << i); + if (!(locks & (1 << i))) + continue; + mutex_enter(&scl->scl_lock); + if (rw == RW_READER) { + while (scl->scl_writer || scl->scl_write_wanted) { + cv_wait(&scl->scl_cv, &scl->scl_lock); + } + } else { + ASSERT(scl->scl_writer != curthread); + while (!refcount_is_zero(&scl->scl_count)) { + scl->scl_write_wanted++; + cv_wait(&scl->scl_cv, &scl->scl_lock); + scl->scl_write_wanted--; + } + scl->scl_writer = curthread; + } + (void) refcount_add(&scl->scl_count, tag); + mutex_exit(&scl->scl_lock); + } + ASSERT(wlocks_held <= locks); +} + +void +spa_config_exit(spa_t *spa, int locks, void *tag) +{ + int i; + + for (i = SCL_LOCKS - 1; i >= 0; i--) { + spa_config_lock_t *scl = &spa->spa_config_lock[i]; + if (!(locks & (1 << i))) + continue; + mutex_enter(&scl->scl_lock); + ASSERT(!refcount_is_zero(&scl->scl_count)); + if (refcount_remove(&scl->scl_count, tag) == 0) { + ASSERT(scl->scl_writer == NULL || + scl->scl_writer == curthread); + scl->scl_writer = NULL; /* OK in either case */ + cv_broadcast(&scl->scl_cv); + } + mutex_exit(&scl->scl_lock); + } +} + +int +spa_config_held(spa_t *spa, int locks, krw_t rw) +{ + int i, locks_held = 0; + + for (i = 0; i < SCL_LOCKS; i++) { + spa_config_lock_t *scl = &spa->spa_config_lock[i]; + if (!(locks & (1 << i))) + continue; + if ((rw == RW_READER && !refcount_is_zero(&scl->scl_count)) || + (rw == RW_WRITER && scl->scl_writer == curthread)) + locks_held |= 1 << i; + } + + return (locks_held); +} + +/* + * ========================================================================== + * SPA namespace functions + * ========================================================================== + */ + +/* + * Lookup the named spa_t in the AVL tree. The spa_namespace_lock must be held. + * Returns NULL if no matching spa_t is found. + */ +spa_t * +spa_lookup(const char *name) +{ + static spa_t search; /* spa_t is large; don't allocate on stack */ + spa_t *spa; + avl_index_t where; + char *cp; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + (void) strlcpy(search.spa_name, name, sizeof (search.spa_name)); + + /* + * If it's a full dataset name, figure out the pool name and + * just use that. + */ + cp = strpbrk(search.spa_name, "/@#"); + if (cp != NULL) + *cp = '\0'; + + spa = avl_find(&spa_namespace_avl, &search, &where); + + return (spa); +} + +/* + * Fires when spa_sync has not completed within zfs_deadman_synctime_ms. + * If the zfs_deadman_enabled flag is set then it inspects all vdev queues + * looking for potentially hung I/Os. + */ +void +spa_deadman(void *arg) +{ + spa_t *spa = arg; + + zfs_dbgmsg("slow spa_sync: started %llu seconds ago, calls %llu", + (gethrtime() - spa->spa_sync_starttime) / NANOSEC, + ++spa->spa_deadman_calls); + if (zfs_deadman_enabled) + vdev_deadman(spa->spa_root_vdev); + + spa->spa_deadman_tqid = taskq_dispatch_delay(system_taskq, + spa_deadman, spa, KM_SLEEP, ddi_get_lbolt() + + NSEC_TO_TICK(spa->spa_deadman_synctime)); +} + +/* + * Create an uninitialized spa_t with the given name. Requires + * spa_namespace_lock. The caller must ensure that the spa_t doesn't already + * exist by calling spa_lookup() first. + */ +spa_t * +spa_add(const char *name, nvlist_t *config, const char *altroot) +{ + spa_t *spa; + spa_config_dirent_t *dp; + int t; + int i; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + spa = kmem_zalloc(sizeof (spa_t), KM_SLEEP); + + mutex_init(&spa->spa_async_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_errlist_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_errlog_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_evicting_os_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_history_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_proc_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_props_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_scrub_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_suspend_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_vdev_top_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa->spa_feat_stats_lock, NULL, MUTEX_DEFAULT, NULL); + + cv_init(&spa->spa_async_cv, NULL, CV_DEFAULT, NULL); + cv_init(&spa->spa_evicting_os_cv, NULL, CV_DEFAULT, NULL); + cv_init(&spa->spa_proc_cv, NULL, CV_DEFAULT, NULL); + cv_init(&spa->spa_scrub_io_cv, NULL, CV_DEFAULT, NULL); + cv_init(&spa->spa_suspend_cv, NULL, CV_DEFAULT, NULL); + + for (t = 0; t < TXG_SIZE; t++) + bplist_create(&spa->spa_free_bplist[t]); + + (void) strlcpy(spa->spa_name, name, sizeof (spa->spa_name)); + spa->spa_state = POOL_STATE_UNINITIALIZED; + spa->spa_freeze_txg = UINT64_MAX; + spa->spa_final_txg = UINT64_MAX; + spa->spa_load_max_txg = UINT64_MAX; + spa->spa_proc = &p0; + spa->spa_proc_state = SPA_PROC_NONE; + + spa->spa_deadman_synctime = MSEC2NSEC(zfs_deadman_synctime_ms); + + refcount_create(&spa->spa_refcount); + spa_config_lock_init(spa); + spa_stats_init(spa); + + avl_add(&spa_namespace_avl, spa); + + /* + * Set the alternate root, if there is one. + */ + if (altroot) + spa->spa_root = spa_strdup(altroot); + + /* + * Every pool starts with the default cachefile + */ + list_create(&spa->spa_config_list, sizeof (spa_config_dirent_t), + offsetof(spa_config_dirent_t, scd_link)); + + dp = kmem_zalloc(sizeof (spa_config_dirent_t), KM_SLEEP); + dp->scd_path = altroot ? NULL : spa_strdup(spa_config_path); + list_insert_head(&spa->spa_config_list, dp); + + VERIFY(nvlist_alloc(&spa->spa_load_info, NV_UNIQUE_NAME, + KM_SLEEP) == 0); + + if (config != NULL) { + nvlist_t *features; + + if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_FEATURES_FOR_READ, + &features) == 0) { + VERIFY(nvlist_dup(features, &spa->spa_label_features, + 0) == 0); + } + + VERIFY(nvlist_dup(config, &spa->spa_config, 0) == 0); + } + + if (spa->spa_label_features == NULL) { + VERIFY(nvlist_alloc(&spa->spa_label_features, NV_UNIQUE_NAME, + KM_SLEEP) == 0); + } + + spa->spa_debug = ((zfs_flags & ZFS_DEBUG_SPA) != 0); + + spa->spa_min_ashift = INT_MAX; + spa->spa_max_ashift = 0; + + /* + * As a pool is being created, treat all features as disabled by + * setting SPA_FEATURE_DISABLED for all entries in the feature + * refcount cache. + */ + for (i = 0; i < SPA_FEATURES; i++) { + spa->spa_feat_refcount_cache[i] = SPA_FEATURE_DISABLED; + } + + return (spa); +} + +/* + * Removes a spa_t from the namespace, freeing up any memory used. Requires + * spa_namespace_lock. This is called only after the spa_t has been closed and + * deactivated. + */ +void +spa_remove(spa_t *spa) +{ + spa_config_dirent_t *dp; + int t; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); + ASSERT3U(refcount_count(&spa->spa_refcount), ==, 0); + + nvlist_free(spa->spa_config_splitting); + + avl_remove(&spa_namespace_avl, spa); + cv_broadcast(&spa_namespace_cv); + + if (spa->spa_root) + spa_strfree(spa->spa_root); + + while ((dp = list_head(&spa->spa_config_list)) != NULL) { + list_remove(&spa->spa_config_list, dp); + if (dp->scd_path != NULL) + spa_strfree(dp->scd_path); + kmem_free(dp, sizeof (spa_config_dirent_t)); + } + + list_destroy(&spa->spa_config_list); + + nvlist_free(spa->spa_label_features); + nvlist_free(spa->spa_load_info); + nvlist_free(spa->spa_feat_stats); + spa_config_set(spa, NULL); + + refcount_destroy(&spa->spa_refcount); + + spa_stats_destroy(spa); + spa_config_lock_destroy(spa); + + for (t = 0; t < TXG_SIZE; t++) + bplist_destroy(&spa->spa_free_bplist[t]); + + cv_destroy(&spa->spa_async_cv); + cv_destroy(&spa->spa_evicting_os_cv); + cv_destroy(&spa->spa_proc_cv); + cv_destroy(&spa->spa_scrub_io_cv); + cv_destroy(&spa->spa_suspend_cv); + + mutex_destroy(&spa->spa_async_lock); + mutex_destroy(&spa->spa_errlist_lock); + mutex_destroy(&spa->spa_errlog_lock); + mutex_destroy(&spa->spa_evicting_os_lock); + mutex_destroy(&spa->spa_history_lock); + mutex_destroy(&spa->spa_proc_lock); + mutex_destroy(&spa->spa_props_lock); + mutex_destroy(&spa->spa_scrub_lock); + mutex_destroy(&spa->spa_suspend_lock); + mutex_destroy(&spa->spa_vdev_top_lock); + mutex_destroy(&spa->spa_feat_stats_lock); + + kmem_free(spa, sizeof (spa_t)); +} + +/* + * Given a pool, return the next pool in the namespace, or NULL if there is + * none. If 'prev' is NULL, return the first pool. + */ +spa_t * +spa_next(spa_t *prev) +{ + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + if (prev) + return (AVL_NEXT(&spa_namespace_avl, prev)); + else + return (avl_first(&spa_namespace_avl)); +} + +/* + * ========================================================================== + * SPA refcount functions + * ========================================================================== + */ + +/* + * Add a reference to the given spa_t. Must have at least one reference, or + * have the namespace lock held. + */ +void +spa_open_ref(spa_t *spa, void *tag) +{ + ASSERT(refcount_count(&spa->spa_refcount) >= spa->spa_minref || + MUTEX_HELD(&spa_namespace_lock)); + (void) refcount_add(&spa->spa_refcount, tag); +} + +/* + * Remove a reference to the given spa_t. Must have at least one reference, or + * have the namespace lock held. + */ +void +spa_close(spa_t *spa, void *tag) +{ + ASSERT(refcount_count(&spa->spa_refcount) > spa->spa_minref || + MUTEX_HELD(&spa_namespace_lock)); + (void) refcount_remove(&spa->spa_refcount, tag); +} + +/* + * Remove a reference to the given spa_t held by a dsl dir that is + * being asynchronously released. Async releases occur from a taskq + * performing eviction of dsl datasets and dirs. The namespace lock + * isn't held and the hold by the object being evicted may contribute to + * spa_minref (e.g. dataset or directory released during pool export), + * so the asserts in spa_close() do not apply. + */ +void +spa_async_close(spa_t *spa, void *tag) +{ + (void) refcount_remove(&spa->spa_refcount, tag); +} + +/* + * Check to see if the spa refcount is zero. Must be called with + * spa_namespace_lock held. We really compare against spa_minref, which is the + * number of references acquired when opening a pool + */ +boolean_t +spa_refcount_zero(spa_t *spa) +{ + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + return (refcount_count(&spa->spa_refcount) == spa->spa_minref); +} + +/* + * ========================================================================== + * SPA spare and l2cache tracking + * ========================================================================== + */ + +/* + * Hot spares and cache devices are tracked using the same code below, + * for 'auxiliary' devices. + */ + +typedef struct spa_aux { + uint64_t aux_guid; + uint64_t aux_pool; + avl_node_t aux_avl; + int aux_count; +} spa_aux_t; + +static int +spa_aux_compare(const void *a, const void *b) +{ + const spa_aux_t *sa = a; + const spa_aux_t *sb = b; + + if (sa->aux_guid < sb->aux_guid) + return (-1); + else if (sa->aux_guid > sb->aux_guid) + return (1); + else + return (0); +} + +void +spa_aux_add(vdev_t *vd, avl_tree_t *avl) +{ + avl_index_t where; + spa_aux_t search; + spa_aux_t *aux; + + search.aux_guid = vd->vdev_guid; + if ((aux = avl_find(avl, &search, &where)) != NULL) { + aux->aux_count++; + } else { + aux = kmem_zalloc(sizeof (spa_aux_t), KM_SLEEP); + aux->aux_guid = vd->vdev_guid; + aux->aux_count = 1; + avl_insert(avl, aux, where); + } +} + +void +spa_aux_remove(vdev_t *vd, avl_tree_t *avl) +{ + spa_aux_t search; + spa_aux_t *aux; + avl_index_t where; + + search.aux_guid = vd->vdev_guid; + aux = avl_find(avl, &search, &where); + + ASSERT(aux != NULL); + + if (--aux->aux_count == 0) { + avl_remove(avl, aux); + kmem_free(aux, sizeof (spa_aux_t)); + } else if (aux->aux_pool == spa_guid(vd->vdev_spa)) { + aux->aux_pool = 0ULL; + } +} + +boolean_t +spa_aux_exists(uint64_t guid, uint64_t *pool, int *refcnt, avl_tree_t *avl) +{ + spa_aux_t search, *found; + + search.aux_guid = guid; + found = avl_find(avl, &search, NULL); + + if (pool) { + if (found) + *pool = found->aux_pool; + else + *pool = 0ULL; + } + + if (refcnt) { + if (found) + *refcnt = found->aux_count; + else + *refcnt = 0; + } + + return (found != NULL); +} + +void +spa_aux_activate(vdev_t *vd, avl_tree_t *avl) +{ + spa_aux_t search, *found; + avl_index_t where; + + search.aux_guid = vd->vdev_guid; + found = avl_find(avl, &search, &where); + ASSERT(found != NULL); + ASSERT(found->aux_pool == 0ULL); + + found->aux_pool = spa_guid(vd->vdev_spa); +} + +/* + * Spares are tracked globally due to the following constraints: + * + * - A spare may be part of multiple pools. + * - A spare may be added to a pool even if it's actively in use within + * another pool. + * - A spare in use in any pool can only be the source of a replacement if + * the target is a spare in the same pool. + * + * We keep track of all spares on the system through the use of a reference + * counted AVL tree. When a vdev is added as a spare, or used as a replacement + * spare, then we bump the reference count in the AVL tree. In addition, we set + * the 'vdev_isspare' member to indicate that the device is a spare (active or + * inactive). When a spare is made active (used to replace a device in the + * pool), we also keep track of which pool its been made a part of. + * + * The 'spa_spare_lock' protects the AVL tree. These functions are normally + * called under the spa_namespace lock as part of vdev reconfiguration. The + * separate spare lock exists for the status query path, which does not need to + * be completely consistent with respect to other vdev configuration changes. + */ + +static int +spa_spare_compare(const void *a, const void *b) +{ + return (spa_aux_compare(a, b)); +} + +void +spa_spare_add(vdev_t *vd) +{ + mutex_enter(&spa_spare_lock); + ASSERT(!vd->vdev_isspare); + spa_aux_add(vd, &spa_spare_avl); + vd->vdev_isspare = B_TRUE; + mutex_exit(&spa_spare_lock); +} + +void +spa_spare_remove(vdev_t *vd) +{ + mutex_enter(&spa_spare_lock); + ASSERT(vd->vdev_isspare); + spa_aux_remove(vd, &spa_spare_avl); + vd->vdev_isspare = B_FALSE; + mutex_exit(&spa_spare_lock); +} + +boolean_t +spa_spare_exists(uint64_t guid, uint64_t *pool, int *refcnt) +{ + boolean_t found; + + mutex_enter(&spa_spare_lock); + found = spa_aux_exists(guid, pool, refcnt, &spa_spare_avl); + mutex_exit(&spa_spare_lock); + + return (found); +} + +void +spa_spare_activate(vdev_t *vd) +{ + mutex_enter(&spa_spare_lock); + ASSERT(vd->vdev_isspare); + spa_aux_activate(vd, &spa_spare_avl); + mutex_exit(&spa_spare_lock); +} + +/* + * Level 2 ARC devices are tracked globally for the same reasons as spares. + * Cache devices currently only support one pool per cache device, and so + * for these devices the aux reference count is currently unused beyond 1. + */ + +static int +spa_l2cache_compare(const void *a, const void *b) +{ + return (spa_aux_compare(a, b)); +} + +void +spa_l2cache_add(vdev_t *vd) +{ + mutex_enter(&spa_l2cache_lock); + ASSERT(!vd->vdev_isl2cache); + spa_aux_add(vd, &spa_l2cache_avl); + vd->vdev_isl2cache = B_TRUE; + mutex_exit(&spa_l2cache_lock); +} + +void +spa_l2cache_remove(vdev_t *vd) +{ + mutex_enter(&spa_l2cache_lock); + ASSERT(vd->vdev_isl2cache); + spa_aux_remove(vd, &spa_l2cache_avl); + vd->vdev_isl2cache = B_FALSE; + mutex_exit(&spa_l2cache_lock); +} + +boolean_t +spa_l2cache_exists(uint64_t guid, uint64_t *pool) +{ + boolean_t found; + + mutex_enter(&spa_l2cache_lock); + found = spa_aux_exists(guid, pool, NULL, &spa_l2cache_avl); + mutex_exit(&spa_l2cache_lock); + + return (found); +} + +void +spa_l2cache_activate(vdev_t *vd) +{ + mutex_enter(&spa_l2cache_lock); + ASSERT(vd->vdev_isl2cache); + spa_aux_activate(vd, &spa_l2cache_avl); + mutex_exit(&spa_l2cache_lock); +} + +/* + * ========================================================================== + * SPA vdev locking + * ========================================================================== + */ + +/* + * Lock the given spa_t for the purpose of adding or removing a vdev. + * Grabs the global spa_namespace_lock plus the spa config lock for writing. + * It returns the next transaction group for the spa_t. + */ +uint64_t +spa_vdev_enter(spa_t *spa) +{ + mutex_enter(&spa->spa_vdev_top_lock); + mutex_enter(&spa_namespace_lock); + return (spa_vdev_config_enter(spa)); +} + +/* + * Internal implementation for spa_vdev_enter(). Used when a vdev + * operation requires multiple syncs (i.e. removing a device) while + * keeping the spa_namespace_lock held. + */ +uint64_t +spa_vdev_config_enter(spa_t *spa) +{ + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + spa_config_enter(spa, SCL_ALL, spa, RW_WRITER); + + return (spa_last_synced_txg(spa) + 1); +} + +/* + * Used in combination with spa_vdev_config_enter() to allow the syncing + * of multiple transactions without releasing the spa_namespace_lock. + */ +void +spa_vdev_config_exit(spa_t *spa, vdev_t *vd, uint64_t txg, int error, char *tag) +{ + int config_changed = B_FALSE; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + ASSERT(txg > spa_last_synced_txg(spa)); + + spa->spa_pending_vdev = NULL; + + /* + * Reassess the DTLs. + */ + vdev_dtl_reassess(spa->spa_root_vdev, 0, 0, B_FALSE); + + if (error == 0 && !list_is_empty(&spa->spa_config_dirty_list)) { + config_changed = B_TRUE; + spa->spa_config_generation++; + } + + /* + * Verify the metaslab classes. + */ + ASSERT(metaslab_class_validate(spa_normal_class(spa)) == 0); + ASSERT(metaslab_class_validate(spa_log_class(spa)) == 0); + + spa_config_exit(spa, SCL_ALL, spa); + + /* + * Panic the system if the specified tag requires it. This + * is useful for ensuring that configurations are updated + * transactionally. + */ + if (zio_injection_enabled) + zio_handle_panic_injection(spa, tag, 0); + + /* + * Note: this txg_wait_synced() is important because it ensures + * that there won't be more than one config change per txg. + * This allows us to use the txg as the generation number. + */ + if (error == 0) + txg_wait_synced(spa->spa_dsl_pool, txg); + + if (vd != NULL) { + ASSERT(!vd->vdev_detached || vd->vdev_dtl_sm == NULL); + spa_config_enter(spa, SCL_ALL, spa, RW_WRITER); + vdev_free(vd); + spa_config_exit(spa, SCL_ALL, spa); + } + + /* + * If the config changed, update the config cache. + */ + if (config_changed) + spa_config_sync(spa, B_FALSE, B_TRUE); +} + +/* + * Unlock the spa_t after adding or removing a vdev. Besides undoing the + * locking of spa_vdev_enter(), we also want make sure the transactions have + * synced to disk, and then update the global configuration cache with the new + * information. + */ +int +spa_vdev_exit(spa_t *spa, vdev_t *vd, uint64_t txg, int error) +{ + spa_vdev_config_exit(spa, vd, txg, error, FTAG); + mutex_exit(&spa_namespace_lock); + mutex_exit(&spa->spa_vdev_top_lock); + + return (error); +} + +/* + * Lock the given spa_t for the purpose of changing vdev state. + */ +void +spa_vdev_state_enter(spa_t *spa, int oplocks) +{ + int locks = SCL_STATE_ALL | oplocks; + + /* + * Root pools may need to read of the underlying devfs filesystem + * when opening up a vdev. Unfortunately if we're holding the + * SCL_ZIO lock it will result in a deadlock when we try to issue + * the read from the root filesystem. Instead we "prefetch" + * the associated vnodes that we need prior to opening the + * underlying devices and cache them so that we can prevent + * any I/O when we are doing the actual open. + */ + if (spa_is_root(spa)) { + int low = locks & ~(SCL_ZIO - 1); + int high = locks & ~low; + + spa_config_enter(spa, high, spa, RW_WRITER); + vdev_hold(spa->spa_root_vdev); + spa_config_enter(spa, low, spa, RW_WRITER); + } else { + spa_config_enter(spa, locks, spa, RW_WRITER); + } + spa->spa_vdev_locks = locks; +} + +int +spa_vdev_state_exit(spa_t *spa, vdev_t *vd, int error) +{ + boolean_t config_changed = B_FALSE; + + if (vd != NULL || error == 0) + vdev_dtl_reassess(vd ? vd->vdev_top : spa->spa_root_vdev, + 0, 0, B_FALSE); + + if (vd != NULL) { + vdev_state_dirty(vd->vdev_top); + config_changed = B_TRUE; + spa->spa_config_generation++; + } + + if (spa_is_root(spa)) + vdev_rele(spa->spa_root_vdev); + + ASSERT3U(spa->spa_vdev_locks, >=, SCL_STATE_ALL); + spa_config_exit(spa, spa->spa_vdev_locks, spa); + + /* + * If anything changed, wait for it to sync. This ensures that, + * from the system administrator's perspective, zpool(1M) commands + * are synchronous. This is important for things like zpool offline: + * when the command completes, you expect no further I/O from ZFS. + */ + if (vd != NULL) + txg_wait_synced(spa->spa_dsl_pool, 0); + + /* + * If the config changed, update the config cache. + */ + if (config_changed) { + mutex_enter(&spa_namespace_lock); + spa_config_sync(spa, B_FALSE, B_TRUE); + mutex_exit(&spa_namespace_lock); + } + + return (error); +} + +/* + * ========================================================================== + * Miscellaneous functions + * ========================================================================== + */ + +void +spa_activate_mos_feature(spa_t *spa, const char *feature, dmu_tx_t *tx) +{ + if (!nvlist_exists(spa->spa_label_features, feature)) { + fnvlist_add_boolean(spa->spa_label_features, feature); + /* + * When we are creating the pool (tx_txg==TXG_INITIAL), we can't + * dirty the vdev config because lock SCL_CONFIG is not held. + * Thankfully, in this case we don't need to dirty the config + * because it will be written out anyway when we finish + * creating the pool. + */ + if (tx->tx_txg != TXG_INITIAL) + vdev_config_dirty(spa->spa_root_vdev); + } +} + +void +spa_deactivate_mos_feature(spa_t *spa, const char *feature) +{ + if (nvlist_remove_all(spa->spa_label_features, feature) == 0) + vdev_config_dirty(spa->spa_root_vdev); +} + +/* + * Rename a spa_t. + */ +int +spa_rename(const char *name, const char *newname) +{ + spa_t *spa; + int err; + + /* + * Lookup the spa_t and grab the config lock for writing. We need to + * actually open the pool so that we can sync out the necessary labels. + * It's OK to call spa_open() with the namespace lock held because we + * allow recursive calls for other reasons. + */ + mutex_enter(&spa_namespace_lock); + if ((err = spa_open(name, &spa, FTAG)) != 0) { + mutex_exit(&spa_namespace_lock); + return (err); + } + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + + avl_remove(&spa_namespace_avl, spa); + (void) strlcpy(spa->spa_name, newname, sizeof (spa->spa_name)); + avl_add(&spa_namespace_avl, spa); + + /* + * Sync all labels to disk with the new names by marking the root vdev + * dirty and waiting for it to sync. It will pick up the new pool name + * during the sync. + */ + vdev_config_dirty(spa->spa_root_vdev); + + spa_config_exit(spa, SCL_ALL, FTAG); + + txg_wait_synced(spa->spa_dsl_pool, 0); + + /* + * Sync the updated config cache. + */ + spa_config_sync(spa, B_FALSE, B_TRUE); + + spa_close(spa, FTAG); + + mutex_exit(&spa_namespace_lock); + + return (0); +} + +/* + * Return the spa_t associated with given pool_guid, if it exists. If + * device_guid is non-zero, determine whether the pool exists *and* contains + * a device with the specified device_guid. + */ +spa_t * +spa_by_guid(uint64_t pool_guid, uint64_t device_guid) +{ + spa_t *spa; + avl_tree_t *t = &spa_namespace_avl; + + ASSERT(MUTEX_HELD(&spa_namespace_lock)); + + for (spa = avl_first(t); spa != NULL; spa = AVL_NEXT(t, spa)) { + if (spa->spa_state == POOL_STATE_UNINITIALIZED) + continue; + if (spa->spa_root_vdev == NULL) + continue; + if (spa_guid(spa) == pool_guid) { + if (device_guid == 0) + break; + + if (vdev_lookup_by_guid(spa->spa_root_vdev, + device_guid) != NULL) + break; + + /* + * Check any devices we may be in the process of adding. + */ + if (spa->spa_pending_vdev) { + if (vdev_lookup_by_guid(spa->spa_pending_vdev, + device_guid) != NULL) + break; + } + } + } + + return (spa); +} + +/* + * Determine whether a pool with the given pool_guid exists. + */ +boolean_t +spa_guid_exists(uint64_t pool_guid, uint64_t device_guid) +{ + return (spa_by_guid(pool_guid, device_guid) != NULL); +} + +char * +spa_strdup(const char *s) +{ + size_t len; + char *new; + + len = strlen(s); + new = kmem_alloc(len + 1, KM_SLEEP); + bcopy(s, new, len); + new[len] = '\0'; + + return (new); +} + +void +spa_strfree(char *s) +{ + kmem_free(s, strlen(s) + 1); +} + +uint64_t +spa_get_random(uint64_t range) +{ + uint64_t r; + + ASSERT(range != 0); + + (void) random_get_pseudo_bytes((void *)&r, sizeof (uint64_t)); + + return (r % range); +} + +uint64_t +spa_generate_guid(spa_t *spa) +{ + uint64_t guid = spa_get_random(-1ULL); + + if (spa != NULL) { + while (guid == 0 || spa_guid_exists(spa_guid(spa), guid)) + guid = spa_get_random(-1ULL); + } else { + while (guid == 0 || spa_guid_exists(guid, 0)) + guid = spa_get_random(-1ULL); + } + + return (guid); +} + +void +snprintf_blkptr(char *buf, size_t buflen, const blkptr_t *bp) +{ + char type[256]; + char *checksum = NULL; + char *compress = NULL; + + if (bp != NULL) { + if (BP_GET_TYPE(bp) & DMU_OT_NEWTYPE) { + dmu_object_byteswap_t bswap = + DMU_OT_BYTESWAP(BP_GET_TYPE(bp)); + (void) snprintf(type, sizeof (type), "bswap %s %s", + DMU_OT_IS_METADATA(BP_GET_TYPE(bp)) ? + "metadata" : "data", + dmu_ot_byteswap[bswap].ob_name); + } else { + (void) strlcpy(type, dmu_ot[BP_GET_TYPE(bp)].ot_name, + sizeof (type)); + } + if (!BP_IS_EMBEDDED(bp)) { + checksum = + zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name; + } + compress = zio_compress_table[BP_GET_COMPRESS(bp)].ci_name; + } + + SNPRINTF_BLKPTR(snprintf, ' ', buf, buflen, bp, type, checksum, + compress); +} + +void +spa_freeze(spa_t *spa) +{ + uint64_t freeze_txg = 0; + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + if (spa->spa_freeze_txg == UINT64_MAX) { + freeze_txg = spa_last_synced_txg(spa) + TXG_SIZE; + spa->spa_freeze_txg = freeze_txg; + } + spa_config_exit(spa, SCL_ALL, FTAG); + if (freeze_txg != 0) + txg_wait_synced(spa_get_dsl(spa), freeze_txg); +} + +void +zfs_panic_recover(const char *fmt, ...) +{ + va_list adx; + + va_start(adx, fmt); + vcmn_err(zfs_recover ? CE_WARN : CE_PANIC, fmt, adx); + va_end(adx); +} + +/* + * This is a stripped-down version of strtoull, suitable only for converting + * lowercase hexadecimal numbers that don't overflow. + */ +uint64_t +strtonum(const char *str, char **nptr) +{ + uint64_t val = 0; + char c; + int digit; + + while ((c = *str) != '\0') { + if (c >= '0' && c <= '9') + digit = c - '0'; + else if (c >= 'a' && c <= 'f') + digit = 10 + c - 'a'; + else + break; + + val *= 16; + val += digit; + + str++; + } + + if (nptr) + *nptr = (char *)str; + + return (val); +} + +/* + * ========================================================================== + * Accessor functions + * ========================================================================== + */ + +boolean_t +spa_shutting_down(spa_t *spa) +{ + return (spa->spa_async_suspended); +} + +dsl_pool_t * +spa_get_dsl(spa_t *spa) +{ + return (spa->spa_dsl_pool); +} + +boolean_t +spa_is_initializing(spa_t *spa) +{ + return (spa->spa_is_initializing); +} + +blkptr_t * +spa_get_rootblkptr(spa_t *spa) +{ + return (&spa->spa_ubsync.ub_rootbp); +} + +void +spa_set_rootblkptr(spa_t *spa, const blkptr_t *bp) +{ + spa->spa_uberblock.ub_rootbp = *bp; +} + +void +spa_altroot(spa_t *spa, char *buf, size_t buflen) +{ + if (spa->spa_root == NULL) + buf[0] = '\0'; + else + (void) strncpy(buf, spa->spa_root, buflen); +} + +int +spa_sync_pass(spa_t *spa) +{ + return (spa->spa_sync_pass); +} + +char * +spa_name(spa_t *spa) +{ + return (spa->spa_name); +} + +uint64_t +spa_guid(spa_t *spa) +{ + dsl_pool_t *dp = spa_get_dsl(spa); + uint64_t guid; + + /* + * If we fail to parse the config during spa_load(), we can go through + * the error path (which posts an ereport) and end up here with no root + * vdev. We stash the original pool guid in 'spa_config_guid' to handle + * this case. + */ + if (spa->spa_root_vdev == NULL) + return (spa->spa_config_guid); + + guid = spa->spa_last_synced_guid != 0 ? + spa->spa_last_synced_guid : spa->spa_root_vdev->vdev_guid; + + /* + * Return the most recently synced out guid unless we're + * in syncing context. + */ + if (dp && dsl_pool_sync_context(dp)) + return (spa->spa_root_vdev->vdev_guid); + else + return (guid); +} + +uint64_t +spa_load_guid(spa_t *spa) +{ + /* + * This is a GUID that exists solely as a reference for the + * purposes of the arc. It is generated at load time, and + * is never written to persistent storage. + */ + return (spa->spa_load_guid); +} + +uint64_t +spa_last_synced_txg(spa_t *spa) +{ + return (spa->spa_ubsync.ub_txg); +} + +uint64_t +spa_first_txg(spa_t *spa) +{ + return (spa->spa_first_txg); +} + +uint64_t +spa_syncing_txg(spa_t *spa) +{ + return (spa->spa_syncing_txg); +} + +pool_state_t +spa_state(spa_t *spa) +{ + return (spa->spa_state); +} + +spa_load_state_t +spa_load_state(spa_t *spa) +{ + return (spa->spa_load_state); +} + +uint64_t +spa_freeze_txg(spa_t *spa) +{ + return (spa->spa_freeze_txg); +} + +/* ARGSUSED */ +uint64_t +spa_get_asize(spa_t *spa, uint64_t lsize) +{ + return (lsize * spa_asize_inflation); +} + +/* + * Return the amount of slop space in bytes. It is 1/32 of the pool (3.2%), + * or at least 32MB. + * + * See the comment above spa_slop_shift for details. + */ +uint64_t +spa_get_slop_space(spa_t *spa) { + uint64_t space = spa_get_dspace(spa); + return (MAX(space >> spa_slop_shift, SPA_MINDEVSIZE >> 1)); +} + +uint64_t +spa_get_dspace(spa_t *spa) +{ + return (spa->spa_dspace); +} + +void +spa_update_dspace(spa_t *spa) +{ + spa->spa_dspace = metaslab_class_get_dspace(spa_normal_class(spa)) + + ddt_get_dedup_dspace(spa); +} + +/* + * Return the failure mode that has been set to this pool. The default + * behavior will be to block all I/Os when a complete failure occurs. + */ +uint8_t +spa_get_failmode(spa_t *spa) +{ + return (spa->spa_failmode); +} + +boolean_t +spa_suspended(spa_t *spa) +{ + return (spa->spa_suspended); +} + +uint64_t +spa_version(spa_t *spa) +{ + return (spa->spa_ubsync.ub_version); +} + +boolean_t +spa_deflate(spa_t *spa) +{ + return (spa->spa_deflate); +} + +metaslab_class_t * +spa_normal_class(spa_t *spa) +{ + return (spa->spa_normal_class); +} + +metaslab_class_t * +spa_log_class(spa_t *spa) +{ + return (spa->spa_log_class); +} + +void +spa_evicting_os_register(spa_t *spa, objset_t *os) +{ + mutex_enter(&spa->spa_evicting_os_lock); + list_insert_head(&spa->spa_evicting_os_list, os); + mutex_exit(&spa->spa_evicting_os_lock); +} + +void +spa_evicting_os_deregister(spa_t *spa, objset_t *os) +{ + mutex_enter(&spa->spa_evicting_os_lock); + list_remove(&spa->spa_evicting_os_list, os); + cv_broadcast(&spa->spa_evicting_os_cv); + mutex_exit(&spa->spa_evicting_os_lock); +} + +void +spa_evicting_os_wait(spa_t *spa) +{ + mutex_enter(&spa->spa_evicting_os_lock); + while (!list_is_empty(&spa->spa_evicting_os_list)) + cv_wait(&spa->spa_evicting_os_cv, &spa->spa_evicting_os_lock); + mutex_exit(&spa->spa_evicting_os_lock); + + dmu_buf_user_evict_wait(); +} + +int +spa_max_replication(spa_t *spa) +{ + /* + * As of SPA_VERSION == SPA_VERSION_DITTO_BLOCKS, we are able to + * handle BPs with more than one DVA allocated. Set our max + * replication level accordingly. + */ + if (spa_version(spa) < SPA_VERSION_DITTO_BLOCKS) + return (1); + return (MIN(SPA_DVAS_PER_BP, spa_max_replication_override)); +} + +int +spa_prev_software_version(spa_t *spa) +{ + return (spa->spa_prev_software_version); +} + +uint64_t +spa_deadman_synctime(spa_t *spa) +{ + return (spa->spa_deadman_synctime); +} + +uint64_t +dva_get_dsize_sync(spa_t *spa, const dva_t *dva) +{ + uint64_t asize = DVA_GET_ASIZE(dva); + uint64_t dsize = asize; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); + + if (asize != 0 && spa->spa_deflate) { + vdev_t *vd = vdev_lookup_top(spa, DVA_GET_VDEV(dva)); + if (vd != NULL) + dsize = (asize >> SPA_MINBLOCKSHIFT) * + vd->vdev_deflate_ratio; + } + + return (dsize); +} + +uint64_t +bp_get_dsize_sync(spa_t *spa, const blkptr_t *bp) +{ + uint64_t dsize = 0; + int d; + + for (d = 0; d < BP_GET_NDVAS(bp); d++) + dsize += dva_get_dsize_sync(spa, &bp->blk_dva[d]); + + return (dsize); +} + +uint64_t +bp_get_dsize(spa_t *spa, const blkptr_t *bp) +{ + uint64_t dsize = 0; + int d; + + spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); + + for (d = 0; d < BP_GET_NDVAS(bp); d++) + dsize += dva_get_dsize_sync(spa, &bp->blk_dva[d]); + + spa_config_exit(spa, SCL_VDEV, FTAG); + + return (dsize); +} + +/* + * ========================================================================== + * Initialization and Termination + * ========================================================================== + */ + +static int +spa_name_compare(const void *a1, const void *a2) +{ + const spa_t *s1 = a1; + const spa_t *s2 = a2; + int s; + + s = strcmp(s1->spa_name, s2->spa_name); + if (s > 0) + return (1); + if (s < 0) + return (-1); + return (0); +} + +void +spa_boot_init(void) +{ + spa_config_load(); +} + +void +spa_init(int mode) +{ + mutex_init(&spa_namespace_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa_spare_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&spa_l2cache_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&spa_namespace_cv, NULL, CV_DEFAULT, NULL); + + avl_create(&spa_namespace_avl, spa_name_compare, sizeof (spa_t), + offsetof(spa_t, spa_avl)); + + avl_create(&spa_spare_avl, spa_spare_compare, sizeof (spa_aux_t), + offsetof(spa_aux_t, aux_avl)); + + avl_create(&spa_l2cache_avl, spa_l2cache_compare, sizeof (spa_aux_t), + offsetof(spa_aux_t, aux_avl)); + + spa_mode_global = mode; + +#ifndef _KERNEL + if (spa_mode_global != FREAD && dprintf_find_string("watch")) { + struct sigaction sa; + + sa.sa_flags = SA_SIGINFO; + sigemptyset(&sa.sa_mask); + sa.sa_sigaction = arc_buf_sigsegv; + + if (sigaction(SIGSEGV, &sa, NULL) == -1) { + perror("could not enable watchpoints: " + "sigaction(SIGSEGV, ...) = "); + } else { + arc_watch = B_TRUE; + } + } +#endif + + fm_init(); + refcount_init(); + unique_init(); + range_tree_init(); + ddt_init(); + zio_init(); + dmu_init(); + zil_init(); + vdev_cache_stat_init(); + zfs_prop_init(); + zpool_prop_init(); + zpool_feature_init(); + spa_config_load(); + l2arc_start(); +} + +void +spa_fini(void) +{ + l2arc_stop(); + + spa_evict_all(); + + vdev_cache_stat_fini(); + zil_fini(); + dmu_fini(); + zio_fini(); + ddt_fini(); + range_tree_fini(); + unique_fini(); + refcount_fini(); + fm_fini(); + + avl_destroy(&spa_namespace_avl); + avl_destroy(&spa_spare_avl); + avl_destroy(&spa_l2cache_avl); + + cv_destroy(&spa_namespace_cv); + mutex_destroy(&spa_namespace_lock); + mutex_destroy(&spa_spare_lock); + mutex_destroy(&spa_l2cache_lock); +} + +/* + * Return whether this pool has slogs. No locking needed. + * It's not a problem if the wrong answer is returned as it's only for + * performance and not correctness + */ +boolean_t +spa_has_slogs(spa_t *spa) +{ + return (spa->spa_log_class->mc_rotor != NULL); +} + +spa_log_state_t +spa_get_log_state(spa_t *spa) +{ + return (spa->spa_log_state); +} + +void +spa_set_log_state(spa_t *spa, spa_log_state_t state) +{ + spa->spa_log_state = state; +} + +boolean_t +spa_is_root(spa_t *spa) +{ + return (spa->spa_is_root); +} + +boolean_t +spa_writeable(spa_t *spa) +{ + return (!!(spa->spa_mode & FWRITE)); +} + +/* + * Returns true if there is a pending sync task in any of the current + * syncing txg, the current quiescing txg, or the current open txg. + */ +boolean_t +spa_has_pending_synctask(spa_t *spa) +{ + return (!txg_all_lists_empty(&spa->spa_dsl_pool->dp_sync_tasks)); +} + +int +spa_mode(spa_t *spa) +{ + return (spa->spa_mode); +} + +uint64_t +spa_bootfs(spa_t *spa) +{ + return (spa->spa_bootfs); +} + +uint64_t +spa_delegation(spa_t *spa) +{ + return (spa->spa_delegation); +} + +objset_t * +spa_meta_objset(spa_t *spa) +{ + return (spa->spa_meta_objset); +} + +enum zio_checksum +spa_dedup_checksum(spa_t *spa) +{ + return (spa->spa_dedup_checksum); +} + +/* + * Reset pool scan stat per scan pass (or reboot). + */ +void +spa_scan_stat_init(spa_t *spa) +{ + /* data not stored on disk */ + spa->spa_scan_pass_start = gethrestime_sec(); + spa->spa_scan_pass_exam = 0; + vdev_scan_stat_init(spa->spa_root_vdev); +} + +/* + * Get scan stats for zpool status reports + */ +int +spa_scan_get_stats(spa_t *spa, pool_scan_stat_t *ps) +{ + dsl_scan_t *scn = spa->spa_dsl_pool ? spa->spa_dsl_pool->dp_scan : NULL; + + if (scn == NULL || scn->scn_phys.scn_func == POOL_SCAN_NONE) + return (SET_ERROR(ENOENT)); + bzero(ps, sizeof (pool_scan_stat_t)); + + /* data stored on disk */ + ps->pss_func = scn->scn_phys.scn_func; + ps->pss_start_time = scn->scn_phys.scn_start_time; + ps->pss_end_time = scn->scn_phys.scn_end_time; + ps->pss_to_examine = scn->scn_phys.scn_to_examine; + ps->pss_examined = scn->scn_phys.scn_examined; + ps->pss_to_process = scn->scn_phys.scn_to_process; + ps->pss_processed = scn->scn_phys.scn_processed; + ps->pss_errors = scn->scn_phys.scn_errors; + ps->pss_state = scn->scn_phys.scn_state; + + /* data not stored on disk */ + ps->pss_pass_start = spa->spa_scan_pass_start; + ps->pss_pass_exam = spa->spa_scan_pass_exam; + + return (0); +} + +boolean_t +spa_debug_enabled(spa_t *spa) +{ + return (spa->spa_debug); +} + +int +spa_maxblocksize(spa_t *spa) +{ + if (spa_feature_is_enabled(spa, SPA_FEATURE_LARGE_BLOCKS)) + return (SPA_MAXBLOCKSIZE); + else + return (SPA_OLD_MAXBLOCKSIZE); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +/* Namespace manipulation */ +EXPORT_SYMBOL(spa_lookup); +EXPORT_SYMBOL(spa_add); +EXPORT_SYMBOL(spa_remove); +EXPORT_SYMBOL(spa_next); + +/* Refcount functions */ +EXPORT_SYMBOL(spa_open_ref); +EXPORT_SYMBOL(spa_close); +EXPORT_SYMBOL(spa_refcount_zero); + +/* Pool configuration lock */ +EXPORT_SYMBOL(spa_config_tryenter); +EXPORT_SYMBOL(spa_config_enter); +EXPORT_SYMBOL(spa_config_exit); +EXPORT_SYMBOL(spa_config_held); + +/* Pool vdev add/remove lock */ +EXPORT_SYMBOL(spa_vdev_enter); +EXPORT_SYMBOL(spa_vdev_exit); + +/* Pool vdev state change lock */ +EXPORT_SYMBOL(spa_vdev_state_enter); +EXPORT_SYMBOL(spa_vdev_state_exit); + +/* Accessor functions */ +EXPORT_SYMBOL(spa_shutting_down); +EXPORT_SYMBOL(spa_get_dsl); +EXPORT_SYMBOL(spa_get_rootblkptr); +EXPORT_SYMBOL(spa_set_rootblkptr); +EXPORT_SYMBOL(spa_altroot); +EXPORT_SYMBOL(spa_sync_pass); +EXPORT_SYMBOL(spa_name); +EXPORT_SYMBOL(spa_guid); +EXPORT_SYMBOL(spa_last_synced_txg); +EXPORT_SYMBOL(spa_first_txg); +EXPORT_SYMBOL(spa_syncing_txg); +EXPORT_SYMBOL(spa_version); +EXPORT_SYMBOL(spa_state); +EXPORT_SYMBOL(spa_load_state); +EXPORT_SYMBOL(spa_freeze_txg); +EXPORT_SYMBOL(spa_get_asize); +EXPORT_SYMBOL(spa_get_dspace); +EXPORT_SYMBOL(spa_update_dspace); +EXPORT_SYMBOL(spa_deflate); +EXPORT_SYMBOL(spa_normal_class); +EXPORT_SYMBOL(spa_log_class); +EXPORT_SYMBOL(spa_max_replication); +EXPORT_SYMBOL(spa_prev_software_version); +EXPORT_SYMBOL(spa_get_failmode); +EXPORT_SYMBOL(spa_suspended); +EXPORT_SYMBOL(spa_bootfs); +EXPORT_SYMBOL(spa_delegation); +EXPORT_SYMBOL(spa_meta_objset); +EXPORT_SYMBOL(spa_maxblocksize); + +/* Miscellaneous support routines */ +EXPORT_SYMBOL(spa_rename); +EXPORT_SYMBOL(spa_guid_exists); +EXPORT_SYMBOL(spa_strdup); +EXPORT_SYMBOL(spa_strfree); +EXPORT_SYMBOL(spa_get_random); +EXPORT_SYMBOL(spa_generate_guid); +EXPORT_SYMBOL(snprintf_blkptr); +EXPORT_SYMBOL(spa_freeze); +EXPORT_SYMBOL(spa_upgrade); +EXPORT_SYMBOL(spa_evict_all); +EXPORT_SYMBOL(spa_lookup_by_guid); +EXPORT_SYMBOL(spa_has_spare); +EXPORT_SYMBOL(dva_get_dsize_sync); +EXPORT_SYMBOL(bp_get_dsize_sync); +EXPORT_SYMBOL(bp_get_dsize); +EXPORT_SYMBOL(spa_has_slogs); +EXPORT_SYMBOL(spa_is_root); +EXPORT_SYMBOL(spa_writeable); +EXPORT_SYMBOL(spa_mode); + +EXPORT_SYMBOL(spa_namespace_lock); + +module_param(zfs_flags, uint, 0644); +MODULE_PARM_DESC(zfs_flags, "Set additional debugging flags"); + +module_param(zfs_recover, int, 0644); +MODULE_PARM_DESC(zfs_recover, "Set to attempt to recover from fatal errors"); + +module_param(zfs_free_leak_on_eio, int, 0644); +MODULE_PARM_DESC(zfs_free_leak_on_eio, + "Set to ignore IO errors during free and permanently leak the space"); + +module_param(zfs_deadman_synctime_ms, ulong, 0644); +MODULE_PARM_DESC(zfs_deadman_synctime_ms, "Expiration time in milliseconds"); + +module_param(zfs_deadman_enabled, int, 0644); +MODULE_PARM_DESC(zfs_deadman_enabled, "Enable deadman timer"); + +module_param(spa_asize_inflation, int, 0644); +MODULE_PARM_DESC(spa_asize_inflation, + "SPA size estimate multiplication factor"); + +module_param(spa_slop_shift, int, 0644); +MODULE_PARM_DESC(spa_slop_shift, "Reserved free space in pool"); +#endif diff --git a/zfs/module/zfs/spa_stats.c b/zfs/module/zfs/spa_stats.c new file mode 100644 index 000000000000..2b8559b5d276 --- /dev/null +++ b/zfs/module/zfs/spa_stats.c @@ -0,0 +1,683 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#include +#include + +/* + * Keeps stats on last N reads per spa_t, disabled by default. + */ +int zfs_read_history = 0; + +/* + * Include cache hits in history, disabled by default. + */ +int zfs_read_history_hits = 0; + +/* + * Keeps stats on the last N txgs, disabled by default. + */ +int zfs_txg_history = 0; + +/* + * ========================================================================== + * SPA Read History Routines + * ========================================================================== + */ + +/* + * Read statistics - Information exported regarding each arc_read call + */ +typedef struct spa_read_history { + uint64_t uid; /* unique identifier */ + hrtime_t start; /* time read completed */ + uint64_t objset; /* read from this objset */ + uint64_t object; /* read of this object number */ + uint64_t level; /* block's indirection level */ + uint64_t blkid; /* read of this block id */ + char origin[24]; /* read originated from here */ + uint32_t aflags; /* ARC flags (cached, prefetch, etc.) */ + pid_t pid; /* PID of task doing read */ + char comm[16]; /* process name of task doing read */ + list_node_t srh_link; +} spa_read_history_t; + +static int +spa_read_history_headers(char *buf, size_t size) +{ + (void) snprintf(buf, size, "%-8s %-16s %-8s %-8s %-8s %-8s %-8s " + "%-24s %-8s %-16s\n", "UID", "start", "objset", "object", + "level", "blkid", "aflags", "origin", "pid", "process"); + + return (0); +} + +static int +spa_read_history_data(char *buf, size_t size, void *data) +{ + spa_read_history_t *srh = (spa_read_history_t *)data; + + (void) snprintf(buf, size, "%-8llu %-16llu 0x%-6llx " + "%-8lli %-8lli %-8lli 0x%-6x %-24s %-8i %-16s\n", + (u_longlong_t)srh->uid, srh->start, + (longlong_t)srh->objset, (longlong_t)srh->object, + (longlong_t)srh->level, (longlong_t)srh->blkid, + srh->aflags, srh->origin, srh->pid, srh->comm); + + return (0); +} + +/* + * Calculate the address for the next spa_stats_history_t entry. The + * ssh->lock will be held until ksp->ks_ndata entries are processed. + */ +static void * +spa_read_history_addr(kstat_t *ksp, loff_t n) +{ + spa_t *spa = ksp->ks_private; + spa_stats_history_t *ssh = &spa->spa_stats.read_history; + + ASSERT(MUTEX_HELD(&ssh->lock)); + + if (n == 0) + ssh->private = list_tail(&ssh->list); + else if (ssh->private) + ssh->private = list_prev(&ssh->list, ssh->private); + + return (ssh->private); +} + +/* + * When the kstat is written discard all spa_read_history_t entires. The + * ssh->lock will be held until ksp->ks_ndata entries are processed. + */ +static int +spa_read_history_update(kstat_t *ksp, int rw) +{ + spa_t *spa = ksp->ks_private; + spa_stats_history_t *ssh = &spa->spa_stats.read_history; + + if (rw == KSTAT_WRITE) { + spa_read_history_t *srh; + + while ((srh = list_remove_head(&ssh->list))) { + ssh->size--; + kmem_free(srh, sizeof (spa_read_history_t)); + } + + ASSERT3U(ssh->size, ==, 0); + } + + ksp->ks_ndata = ssh->size; + ksp->ks_data_size = ssh->size * sizeof (spa_read_history_t); + + return (0); +} + +static void +spa_read_history_init(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.read_history; + char name[KSTAT_STRLEN]; + kstat_t *ksp; + + mutex_init(&ssh->lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&ssh->list, sizeof (spa_read_history_t), + offsetof(spa_read_history_t, srh_link)); + + ssh->count = 0; + ssh->size = 0; + ssh->private = NULL; + + (void) snprintf(name, KSTAT_STRLEN, "zfs/%s", spa_name(spa)); + + ksp = kstat_create(name, 0, "reads", "misc", + KSTAT_TYPE_RAW, 0, KSTAT_FLAG_VIRTUAL); + ssh->kstat = ksp; + + if (ksp) { + ksp->ks_lock = &ssh->lock; + ksp->ks_data = NULL; + ksp->ks_private = spa; + ksp->ks_update = spa_read_history_update; + kstat_set_raw_ops(ksp, spa_read_history_headers, + spa_read_history_data, spa_read_history_addr); + kstat_install(ksp); + } +} + +static void +spa_read_history_destroy(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.read_history; + spa_read_history_t *srh; + kstat_t *ksp; + + ksp = ssh->kstat; + if (ksp) + kstat_delete(ksp); + + mutex_enter(&ssh->lock); + while ((srh = list_remove_head(&ssh->list))) { + ssh->size--; + kmem_free(srh, sizeof (spa_read_history_t)); + } + + ASSERT3U(ssh->size, ==, 0); + list_destroy(&ssh->list); + mutex_exit(&ssh->lock); + + mutex_destroy(&ssh->lock); +} + +void +spa_read_history_add(spa_t *spa, const zbookmark_phys_t *zb, uint32_t aflags) +{ + spa_stats_history_t *ssh = &spa->spa_stats.read_history; + spa_read_history_t *srh, *rm; + + ASSERT3P(spa, !=, NULL); + ASSERT3P(zb, !=, NULL); + + if (zfs_read_history == 0 && ssh->size == 0) + return; + + if (zfs_read_history_hits == 0 && (aflags & ARC_FLAG_CACHED)) + return; + + srh = kmem_zalloc(sizeof (spa_read_history_t), KM_SLEEP); + strlcpy(srh->comm, getcomm(), sizeof (srh->comm)); + srh->start = gethrtime(); + srh->objset = zb->zb_objset; + srh->object = zb->zb_object; + srh->level = zb->zb_level; + srh->blkid = zb->zb_blkid; + srh->aflags = aflags; + srh->pid = getpid(); + + mutex_enter(&ssh->lock); + + srh->uid = ssh->count++; + list_insert_head(&ssh->list, srh); + ssh->size++; + + while (ssh->size > zfs_read_history) { + ssh->size--; + rm = list_remove_tail(&ssh->list); + kmem_free(rm, sizeof (spa_read_history_t)); + } + + mutex_exit(&ssh->lock); +} + +/* + * ========================================================================== + * SPA TXG History Routines + * ========================================================================== + */ + +/* + * Txg statistics - Information exported regarding each txg sync + */ + +typedef struct spa_txg_history { + uint64_t txg; /* txg id */ + txg_state_t state; /* active txg state */ + uint64_t nread; /* number of bytes read */ + uint64_t nwritten; /* number of bytes written */ + uint64_t reads; /* number of read operations */ + uint64_t writes; /* number of write operations */ + uint64_t ndirty; /* number of dirty bytes */ + hrtime_t times[TXG_STATE_COMMITTED]; /* completion times */ + list_node_t sth_link; +} spa_txg_history_t; + +static int +spa_txg_history_headers(char *buf, size_t size) +{ + (void) snprintf(buf, size, "%-8s %-16s %-5s %-12s %-12s %-12s " + "%-8s %-8s %-12s %-12s %-12s %-12s\n", "txg", "birth", "state", + "ndirty", "nread", "nwritten", "reads", "writes", + "otime", "qtime", "wtime", "stime"); + + return (0); +} + +static int +spa_txg_history_data(char *buf, size_t size, void *data) +{ + spa_txg_history_t *sth = (spa_txg_history_t *)data; + uint64_t open = 0, quiesce = 0, wait = 0, sync = 0; + char state; + + switch (sth->state) { + case TXG_STATE_BIRTH: state = 'B'; break; + case TXG_STATE_OPEN: state = 'O'; break; + case TXG_STATE_QUIESCED: state = 'Q'; break; + case TXG_STATE_WAIT_FOR_SYNC: state = 'W'; break; + case TXG_STATE_SYNCED: state = 'S'; break; + case TXG_STATE_COMMITTED: state = 'C'; break; + default: state = '?'; break; + } + + if (sth->times[TXG_STATE_OPEN]) + open = sth->times[TXG_STATE_OPEN] - + sth->times[TXG_STATE_BIRTH]; + + if (sth->times[TXG_STATE_QUIESCED]) + quiesce = sth->times[TXG_STATE_QUIESCED] - + sth->times[TXG_STATE_OPEN]; + + if (sth->times[TXG_STATE_WAIT_FOR_SYNC]) + wait = sth->times[TXG_STATE_WAIT_FOR_SYNC] - + sth->times[TXG_STATE_QUIESCED]; + + if (sth->times[TXG_STATE_SYNCED]) + sync = sth->times[TXG_STATE_SYNCED] - + sth->times[TXG_STATE_WAIT_FOR_SYNC]; + + (void) snprintf(buf, size, "%-8llu %-16llu %-5c %-12llu " + "%-12llu %-12llu %-8llu %-8llu %-12llu %-12llu %-12llu %-12llu\n", + (longlong_t)sth->txg, sth->times[TXG_STATE_BIRTH], state, + (u_longlong_t)sth->ndirty, + (u_longlong_t)sth->nread, (u_longlong_t)sth->nwritten, + (u_longlong_t)sth->reads, (u_longlong_t)sth->writes, + (u_longlong_t)open, (u_longlong_t)quiesce, (u_longlong_t)wait, + (u_longlong_t)sync); + + return (0); +} + +/* + * Calculate the address for the next spa_stats_history_t entry. The + * ssh->lock will be held until ksp->ks_ndata entries are processed. + */ +static void * +spa_txg_history_addr(kstat_t *ksp, loff_t n) +{ + spa_t *spa = ksp->ks_private; + spa_stats_history_t *ssh = &spa->spa_stats.txg_history; + + ASSERT(MUTEX_HELD(&ssh->lock)); + + if (n == 0) + ssh->private = list_tail(&ssh->list); + else if (ssh->private) + ssh->private = list_prev(&ssh->list, ssh->private); + + return (ssh->private); +} + +/* + * When the kstat is written discard all spa_txg_history_t entires. The + * ssh->lock will be held until ksp->ks_ndata entries are processed. + */ +static int +spa_txg_history_update(kstat_t *ksp, int rw) +{ + spa_t *spa = ksp->ks_private; + spa_stats_history_t *ssh = &spa->spa_stats.txg_history; + + ASSERT(MUTEX_HELD(&ssh->lock)); + + if (rw == KSTAT_WRITE) { + spa_txg_history_t *sth; + + while ((sth = list_remove_head(&ssh->list))) { + ssh->size--; + kmem_free(sth, sizeof (spa_txg_history_t)); + } + + ASSERT3U(ssh->size, ==, 0); + } + + ksp->ks_ndata = ssh->size; + ksp->ks_data_size = ssh->size * sizeof (spa_txg_history_t); + + return (0); +} + +static void +spa_txg_history_init(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.txg_history; + char name[KSTAT_STRLEN]; + kstat_t *ksp; + + mutex_init(&ssh->lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&ssh->list, sizeof (spa_txg_history_t), + offsetof(spa_txg_history_t, sth_link)); + + ssh->count = 0; + ssh->size = 0; + ssh->private = NULL; + + (void) snprintf(name, KSTAT_STRLEN, "zfs/%s", spa_name(spa)); + + ksp = kstat_create(name, 0, "txgs", "misc", + KSTAT_TYPE_RAW, 0, KSTAT_FLAG_VIRTUAL); + ssh->kstat = ksp; + + if (ksp) { + ksp->ks_lock = &ssh->lock; + ksp->ks_data = NULL; + ksp->ks_private = spa; + ksp->ks_update = spa_txg_history_update; + kstat_set_raw_ops(ksp, spa_txg_history_headers, + spa_txg_history_data, spa_txg_history_addr); + kstat_install(ksp); + } +} + +static void +spa_txg_history_destroy(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.txg_history; + spa_txg_history_t *sth; + kstat_t *ksp; + + ksp = ssh->kstat; + if (ksp) + kstat_delete(ksp); + + mutex_enter(&ssh->lock); + while ((sth = list_remove_head(&ssh->list))) { + ssh->size--; + kmem_free(sth, sizeof (spa_txg_history_t)); + } + + ASSERT3U(ssh->size, ==, 0); + list_destroy(&ssh->list); + mutex_exit(&ssh->lock); + + mutex_destroy(&ssh->lock); +} + +/* + * Add a new txg to historical record. + */ +void +spa_txg_history_add(spa_t *spa, uint64_t txg, hrtime_t birth_time) +{ + spa_stats_history_t *ssh = &spa->spa_stats.txg_history; + spa_txg_history_t *sth, *rm; + + if (zfs_txg_history == 0 && ssh->size == 0) + return; + + sth = kmem_zalloc(sizeof (spa_txg_history_t), KM_SLEEP); + sth->txg = txg; + sth->state = TXG_STATE_OPEN; + sth->times[TXG_STATE_BIRTH] = birth_time; + + mutex_enter(&ssh->lock); + + list_insert_head(&ssh->list, sth); + ssh->size++; + + while (ssh->size > zfs_txg_history) { + ssh->size--; + rm = list_remove_tail(&ssh->list); + kmem_free(rm, sizeof (spa_txg_history_t)); + } + + mutex_exit(&ssh->lock); +} + +/* + * Set txg state completion time and increment current state. + */ +int +spa_txg_history_set(spa_t *spa, uint64_t txg, txg_state_t completed_state, + hrtime_t completed_time) +{ + spa_stats_history_t *ssh = &spa->spa_stats.txg_history; + spa_txg_history_t *sth; + int error = ENOENT; + + if (zfs_txg_history == 0) + return (0); + + mutex_enter(&ssh->lock); + for (sth = list_head(&ssh->list); sth != NULL; + sth = list_next(&ssh->list, sth)) { + if (sth->txg == txg) { + sth->times[completed_state] = completed_time; + sth->state++; + error = 0; + break; + } + } + mutex_exit(&ssh->lock); + + return (error); +} + +/* + * Set txg IO stats. + */ +int +spa_txg_history_set_io(spa_t *spa, uint64_t txg, uint64_t nread, + uint64_t nwritten, uint64_t reads, uint64_t writes, uint64_t ndirty) +{ + spa_stats_history_t *ssh = &spa->spa_stats.txg_history; + spa_txg_history_t *sth; + int error = ENOENT; + + if (zfs_txg_history == 0) + return (0); + + mutex_enter(&ssh->lock); + for (sth = list_head(&ssh->list); sth != NULL; + sth = list_next(&ssh->list, sth)) { + if (sth->txg == txg) { + sth->nread = nread; + sth->nwritten = nwritten; + sth->reads = reads; + sth->writes = writes; + sth->ndirty = ndirty; + error = 0; + break; + } + } + mutex_exit(&ssh->lock); + + return (error); +} + +/* + * ========================================================================== + * SPA TX Assign Histogram Routines + * ========================================================================== + */ + +/* + * Tx statistics - Information exported regarding dmu_tx_assign time. + */ + +/* + * When the kstat is written zero all buckets. When the kstat is read + * count the number of trailing buckets set to zero and update ks_ndata + * such that they are not output. + */ +static int +spa_tx_assign_update(kstat_t *ksp, int rw) +{ + spa_t *spa = ksp->ks_private; + spa_stats_history_t *ssh = &spa->spa_stats.tx_assign_histogram; + int i; + + if (rw == KSTAT_WRITE) { + for (i = 0; i < ssh->count; i++) + ((kstat_named_t *)ssh->private)[i].value.ui64 = 0; + } + + for (i = ssh->count; i > 0; i--) + if (((kstat_named_t *)ssh->private)[i-1].value.ui64 != 0) + break; + + ksp->ks_ndata = i; + ksp->ks_data_size = i * sizeof (kstat_named_t); + + return (0); +} + +static void +spa_tx_assign_init(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.tx_assign_histogram; + char name[KSTAT_STRLEN]; + kstat_named_t *ks; + kstat_t *ksp; + int i; + + mutex_init(&ssh->lock, NULL, MUTEX_DEFAULT, NULL); + + ssh->count = 42; /* power of two buckets for 1ns to 2,199s */ + ssh->size = ssh->count * sizeof (kstat_named_t); + ssh->private = kmem_alloc(ssh->size, KM_SLEEP); + + (void) snprintf(name, KSTAT_STRLEN, "zfs/%s", spa_name(spa)); + + for (i = 0; i < ssh->count; i++) { + ks = &((kstat_named_t *)ssh->private)[i]; + ks->data_type = KSTAT_DATA_UINT64; + ks->value.ui64 = 0; + (void) snprintf(ks->name, KSTAT_STRLEN, "%llu ns", + (u_longlong_t)1 << i); + } + + ksp = kstat_create(name, 0, "dmu_tx_assign", "misc", + KSTAT_TYPE_NAMED, 0, KSTAT_FLAG_VIRTUAL); + ssh->kstat = ksp; + + if (ksp) { + ksp->ks_lock = &ssh->lock; + ksp->ks_data = ssh->private; + ksp->ks_ndata = ssh->count; + ksp->ks_data_size = ssh->size; + ksp->ks_private = spa; + ksp->ks_update = spa_tx_assign_update; + kstat_install(ksp); + } +} + +static void +spa_tx_assign_destroy(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.tx_assign_histogram; + kstat_t *ksp; + + ksp = ssh->kstat; + if (ksp) + kstat_delete(ksp); + + kmem_free(ssh->private, ssh->size); + mutex_destroy(&ssh->lock); +} + +void +spa_tx_assign_add_nsecs(spa_t *spa, uint64_t nsecs) +{ + spa_stats_history_t *ssh = &spa->spa_stats.tx_assign_histogram; + uint64_t idx = 0; + + while (((1 << idx) < nsecs) && (idx < ssh->size - 1)) + idx++; + + atomic_inc_64(&((kstat_named_t *)ssh->private)[idx].value.ui64); +} + +/* + * ========================================================================== + * SPA IO History Routines + * ========================================================================== + */ +static int +spa_io_history_update(kstat_t *ksp, int rw) +{ + if (rw == KSTAT_WRITE) + memset(ksp->ks_data, 0, ksp->ks_data_size); + + return (0); +} + +static void +spa_io_history_init(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.io_history; + char name[KSTAT_STRLEN]; + kstat_t *ksp; + + mutex_init(&ssh->lock, NULL, MUTEX_DEFAULT, NULL); + + (void) snprintf(name, KSTAT_STRLEN, "zfs/%s", spa_name(spa)); + + ksp = kstat_create(name, 0, "io", "disk", KSTAT_TYPE_IO, 1, 0); + ssh->kstat = ksp; + + if (ksp) { + ksp->ks_lock = &ssh->lock; + ksp->ks_private = spa; + ksp->ks_update = spa_io_history_update; + kstat_install(ksp); + } +} + +static void +spa_io_history_destroy(spa_t *spa) +{ + spa_stats_history_t *ssh = &spa->spa_stats.io_history; + + if (ssh->kstat) + kstat_delete(ssh->kstat); + + mutex_destroy(&ssh->lock); +} + +void +spa_stats_init(spa_t *spa) +{ + spa_read_history_init(spa); + spa_txg_history_init(spa); + spa_tx_assign_init(spa); + spa_io_history_init(spa); +} + +void +spa_stats_destroy(spa_t *spa) +{ + spa_tx_assign_destroy(spa); + spa_txg_history_destroy(spa); + spa_read_history_destroy(spa); + spa_io_history_destroy(spa); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_read_history, int, 0644); +MODULE_PARM_DESC(zfs_read_history, "Historic statistics for the last N reads"); + +module_param(zfs_read_history_hits, int, 0644); +MODULE_PARM_DESC(zfs_read_history_hits, "Include cache hits in read history"); + +module_param(zfs_txg_history, int, 0644); +MODULE_PARM_DESC(zfs_txg_history, "Historic statistics for the last N txgs"); +#endif diff --git a/zfs/module/zfs/space_map.c b/zfs/module/zfs/space_map.c new file mode 100644 index 000000000000..b3aa469bf45b --- /dev/null +++ b/zfs/module/zfs/space_map.c @@ -0,0 +1,551 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * The data for a given space map can be kept on blocks of any size. + * Larger blocks entail fewer i/o operations, but they also cause the + * DMU to keep more data in-core, and also to waste more i/o bandwidth + * when only a few blocks have changed since the last transaction group. + */ +int space_map_blksz = (1 << 12); + +/* + * Load the space map disk into the specified range tree. Segments of maptype + * are added to the range tree, other segment types are removed. + * + * Note: space_map_load() will drop sm_lock across dmu_read() calls. + * The caller must be OK with this. + */ +int +space_map_load(space_map_t *sm, range_tree_t *rt, maptype_t maptype) +{ + uint64_t *entry, *entry_map, *entry_map_end; + uint64_t bufsize, size, offset, end, space; + int error = 0; + + ASSERT(MUTEX_HELD(sm->sm_lock)); + + end = space_map_length(sm); + space = space_map_allocated(sm); + + VERIFY0(range_tree_space(rt)); + + if (maptype == SM_FREE) { + range_tree_add(rt, sm->sm_start, sm->sm_size); + space = sm->sm_size - space; + } + + bufsize = MAX(sm->sm_blksz, SPA_MINBLOCKSIZE); + entry_map = zio_buf_alloc(bufsize); + + mutex_exit(sm->sm_lock); + if (end > bufsize) { + dmu_prefetch(sm->sm_os, space_map_object(sm), bufsize, + end - bufsize); + } + mutex_enter(sm->sm_lock); + + for (offset = 0; offset < end; offset += bufsize) { + size = MIN(end - offset, bufsize); + VERIFY(P2PHASE(size, sizeof (uint64_t)) == 0); + VERIFY(size != 0); + ASSERT3U(sm->sm_blksz, !=, 0); + + dprintf("object=%llu offset=%llx size=%llx\n", + space_map_object(sm), offset, size); + + mutex_exit(sm->sm_lock); + error = dmu_read(sm->sm_os, space_map_object(sm), offset, size, + entry_map, DMU_READ_PREFETCH); + mutex_enter(sm->sm_lock); + if (error != 0) + break; + + entry_map_end = entry_map + (size / sizeof (uint64_t)); + for (entry = entry_map; entry < entry_map_end; entry++) { + uint64_t e = *entry; + uint64_t offset, size; + + if (SM_DEBUG_DECODE(e)) /* Skip debug entries */ + continue; + + offset = (SM_OFFSET_DECODE(e) << sm->sm_shift) + + sm->sm_start; + size = SM_RUN_DECODE(e) << sm->sm_shift; + + VERIFY0(P2PHASE(offset, 1ULL << sm->sm_shift)); + VERIFY0(P2PHASE(size, 1ULL << sm->sm_shift)); + VERIFY3U(offset, >=, sm->sm_start); + VERIFY3U(offset + size, <=, sm->sm_start + sm->sm_size); + if (SM_TYPE_DECODE(e) == maptype) { + VERIFY3U(range_tree_space(rt) + size, <=, + sm->sm_size); + range_tree_add(rt, offset, size); + } else { + range_tree_remove(rt, offset, size); + } + } + } + + if (error == 0) + VERIFY3U(range_tree_space(rt), ==, space); + else + range_tree_vacate(rt, NULL, NULL); + + zio_buf_free(entry_map, bufsize); + return (error); +} + +void +space_map_histogram_clear(space_map_t *sm) +{ + if (sm->sm_dbuf->db_size != sizeof (space_map_phys_t)) + return; + + bzero(sm->sm_phys->smp_histogram, sizeof (sm->sm_phys->smp_histogram)); +} + +boolean_t +space_map_histogram_verify(space_map_t *sm, range_tree_t *rt) +{ + int i; + + /* + * Verify that the in-core range tree does not have any + * ranges smaller than our sm_shift size. + */ + for (i = 0; i < sm->sm_shift; i++) { + if (rt->rt_histogram[i] != 0) + return (B_FALSE); + } + return (B_TRUE); +} + +void +space_map_histogram_add(space_map_t *sm, range_tree_t *rt, dmu_tx_t *tx) +{ + int idx = 0; + int i; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + ASSERT(dmu_tx_is_syncing(tx)); + VERIFY3U(space_map_object(sm), !=, 0); + + if (sm->sm_dbuf->db_size != sizeof (space_map_phys_t)) + return; + + dmu_buf_will_dirty(sm->sm_dbuf, tx); + + ASSERT(space_map_histogram_verify(sm, rt)); + + /* + * Transfer the content of the range tree histogram to the space + * map histogram. The space map histogram contains 32 buckets ranging + * between 2^sm_shift to 2^(32+sm_shift-1). The range tree, + * however, can represent ranges from 2^0 to 2^63. Since the space + * map only cares about allocatable blocks (minimum of sm_shift) we + * can safely ignore all ranges in the range tree smaller than sm_shift. + */ + for (i = sm->sm_shift; i < RANGE_TREE_HISTOGRAM_SIZE; i++) { + + /* + * Since the largest histogram bucket in the space map is + * 2^(32+sm_shift-1), we need to normalize the values in + * the range tree for any bucket larger than that size. For + * example given an sm_shift of 9, ranges larger than 2^40 + * would get normalized as if they were 1TB ranges. Assume + * the range tree had a count of 5 in the 2^44 (16TB) bucket, + * the calculation below would normalize this to 5 * 2^4 (16). + */ + ASSERT3U(i, >=, idx + sm->sm_shift); + sm->sm_phys->smp_histogram[idx] += + rt->rt_histogram[i] << (i - idx - sm->sm_shift); + + /* + * Increment the space map's index as long as we haven't + * reached the maximum bucket size. Accumulate all ranges + * larger than the max bucket size into the last bucket. + */ + if (idx < SPACE_MAP_HISTOGRAM_SIZE - 1) { + ASSERT3U(idx + sm->sm_shift, ==, i); + idx++; + ASSERT3U(idx, <, SPACE_MAP_HISTOGRAM_SIZE); + } + } +} + +uint64_t +space_map_entries(space_map_t *sm, range_tree_t *rt) +{ + avl_tree_t *t = &rt->rt_root; + range_seg_t *rs; + uint64_t size, entries; + + /* + * All space_maps always have a debug entry so account for it here. + */ + entries = 1; + + /* + * Traverse the range tree and calculate the number of space map + * entries that would be required to write out the range tree. + */ + for (rs = avl_first(t); rs != NULL; rs = AVL_NEXT(t, rs)) { + size = (rs->rs_end - rs->rs_start) >> sm->sm_shift; + entries += howmany(size, SM_RUN_MAX); + } + return (entries); +} + +/* + * Note: space_map_write() will drop sm_lock across dmu_write() calls. + */ +void +space_map_write(space_map_t *sm, range_tree_t *rt, maptype_t maptype, + dmu_tx_t *tx) +{ + objset_t *os = sm->sm_os; + spa_t *spa = dmu_objset_spa(os); + avl_tree_t *t = &rt->rt_root; + range_seg_t *rs; + uint64_t size, total, rt_space, nodes; + uint64_t *entry, *entry_map, *entry_map_end; + uint64_t expected_entries, actual_entries = 1; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + ASSERT(dsl_pool_sync_context(dmu_objset_pool(os))); + VERIFY3U(space_map_object(sm), !=, 0); + dmu_buf_will_dirty(sm->sm_dbuf, tx); + + /* + * This field is no longer necessary since the in-core space map + * now contains the object number but is maintained for backwards + * compatibility. + */ + sm->sm_phys->smp_object = sm->sm_object; + + if (range_tree_space(rt) == 0) { + VERIFY3U(sm->sm_object, ==, sm->sm_phys->smp_object); + return; + } + + if (maptype == SM_ALLOC) + sm->sm_phys->smp_alloc += range_tree_space(rt); + else + sm->sm_phys->smp_alloc -= range_tree_space(rt); + + expected_entries = space_map_entries(sm, rt); + + entry_map = zio_buf_alloc(sm->sm_blksz); + entry_map_end = entry_map + (sm->sm_blksz / sizeof (uint64_t)); + entry = entry_map; + + *entry++ = SM_DEBUG_ENCODE(1) | + SM_DEBUG_ACTION_ENCODE(maptype) | + SM_DEBUG_SYNCPASS_ENCODE(spa_sync_pass(spa)) | + SM_DEBUG_TXG_ENCODE(dmu_tx_get_txg(tx)); + + total = 0; + nodes = avl_numnodes(&rt->rt_root); + rt_space = range_tree_space(rt); + for (rs = avl_first(t); rs != NULL; rs = AVL_NEXT(t, rs)) { + uint64_t start; + + size = (rs->rs_end - rs->rs_start) >> sm->sm_shift; + start = (rs->rs_start - sm->sm_start) >> sm->sm_shift; + + total += size << sm->sm_shift; + + while (size != 0) { + uint64_t run_len; + + run_len = MIN(size, SM_RUN_MAX); + + if (entry == entry_map_end) { + mutex_exit(rt->rt_lock); + dmu_write(os, space_map_object(sm), + sm->sm_phys->smp_objsize, sm->sm_blksz, + entry_map, tx); + mutex_enter(rt->rt_lock); + sm->sm_phys->smp_objsize += sm->sm_blksz; + entry = entry_map; + } + + *entry++ = SM_OFFSET_ENCODE(start) | + SM_TYPE_ENCODE(maptype) | + SM_RUN_ENCODE(run_len); + + start += run_len; + size -= run_len; + actual_entries++; + } + } + + if (entry != entry_map) { + size = (entry - entry_map) * sizeof (uint64_t); + mutex_exit(rt->rt_lock); + dmu_write(os, space_map_object(sm), sm->sm_phys->smp_objsize, + size, entry_map, tx); + mutex_enter(rt->rt_lock); + sm->sm_phys->smp_objsize += size; + } + ASSERT3U(expected_entries, ==, actual_entries); + + /* + * Ensure that the space_map's accounting wasn't changed + * while we were in the middle of writing it out. + */ + VERIFY3U(nodes, ==, avl_numnodes(&rt->rt_root)); + VERIFY3U(range_tree_space(rt), ==, rt_space); + VERIFY3U(range_tree_space(rt), ==, total); + + zio_buf_free(entry_map, sm->sm_blksz); +} + +static int +space_map_open_impl(space_map_t *sm) +{ + int error; + u_longlong_t blocks; + + error = dmu_bonus_hold(sm->sm_os, sm->sm_object, sm, &sm->sm_dbuf); + if (error) + return (error); + + dmu_object_size_from_db(sm->sm_dbuf, &sm->sm_blksz, &blocks); + sm->sm_phys = sm->sm_dbuf->db_data; + return (0); +} + +int +space_map_open(space_map_t **smp, objset_t *os, uint64_t object, + uint64_t start, uint64_t size, uint8_t shift, kmutex_t *lp) +{ + space_map_t *sm; + int error; + + ASSERT(*smp == NULL); + ASSERT(os != NULL); + ASSERT(object != 0); + + sm = kmem_alloc(sizeof (space_map_t), KM_SLEEP); + + sm->sm_start = start; + sm->sm_size = size; + sm->sm_shift = shift; + sm->sm_lock = lp; + sm->sm_os = os; + sm->sm_object = object; + sm->sm_length = 0; + sm->sm_alloc = 0; + sm->sm_blksz = 0; + sm->sm_dbuf = NULL; + sm->sm_phys = NULL; + + error = space_map_open_impl(sm); + if (error != 0) { + space_map_close(sm); + return (error); + } + + *smp = sm; + + return (0); +} + +void +space_map_close(space_map_t *sm) +{ + if (sm == NULL) + return; + + if (sm->sm_dbuf != NULL) + dmu_buf_rele(sm->sm_dbuf, sm); + sm->sm_dbuf = NULL; + sm->sm_phys = NULL; + + kmem_free(sm, sizeof (*sm)); +} + +void +space_map_truncate(space_map_t *sm, dmu_tx_t *tx) +{ + objset_t *os = sm->sm_os; + spa_t *spa = dmu_objset_spa(os); + dmu_object_info_t doi; + + ASSERT(dsl_pool_sync_context(dmu_objset_pool(os))); + ASSERT(dmu_tx_is_syncing(tx)); + + dmu_object_info_from_db(sm->sm_dbuf, &doi); + + /* + * If the space map has the wrong bonus size (because + * SPA_FEATURE_SPACEMAP_HISTOGRAM has recently been enabled), or + * the wrong block size (because space_map_blksz has changed), + * free and re-allocate its object with the updated sizes. + * + * Otherwise, just truncate the current object. + */ + if ((spa_feature_is_enabled(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM) && + doi.doi_bonus_size != sizeof (space_map_phys_t)) || + doi.doi_data_block_size != space_map_blksz) { + zfs_dbgmsg("txg %llu, spa %s, reallocating: " + "old bonus %llu, old blocksz %u", dmu_tx_get_txg(tx), + spa_name(spa), doi.doi_bonus_size, doi.doi_data_block_size); + + space_map_free(sm, tx); + dmu_buf_rele(sm->sm_dbuf, sm); + + sm->sm_object = space_map_alloc(sm->sm_os, tx); + VERIFY0(space_map_open_impl(sm)); + } else { + VERIFY0(dmu_free_range(os, space_map_object(sm), 0, -1ULL, tx)); + + /* + * If the spacemap is reallocated, its histogram + * will be reset. Do the same in the common case so that + * bugs related to the uncommon case do not go unnoticed. + */ + bzero(sm->sm_phys->smp_histogram, + sizeof (sm->sm_phys->smp_histogram)); + } + + dmu_buf_will_dirty(sm->sm_dbuf, tx); + sm->sm_phys->smp_objsize = 0; + sm->sm_phys->smp_alloc = 0; +} + +/* + * Update the in-core space_map allocation and length values. + */ +void +space_map_update(space_map_t *sm) +{ + if (sm == NULL) + return; + + ASSERT(MUTEX_HELD(sm->sm_lock)); + + sm->sm_alloc = sm->sm_phys->smp_alloc; + sm->sm_length = sm->sm_phys->smp_objsize; +} + +uint64_t +space_map_alloc(objset_t *os, dmu_tx_t *tx) +{ + spa_t *spa = dmu_objset_spa(os); + uint64_t object; + int bonuslen; + + if (spa_feature_is_enabled(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) { + spa_feature_incr(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM, tx); + bonuslen = sizeof (space_map_phys_t); + ASSERT3U(bonuslen, <=, dmu_bonus_max()); + } else { + bonuslen = SPACE_MAP_SIZE_V0; + } + + object = dmu_object_alloc(os, + DMU_OT_SPACE_MAP, space_map_blksz, + DMU_OT_SPACE_MAP_HEADER, bonuslen, tx); + + return (object); +} + +void +space_map_free(space_map_t *sm, dmu_tx_t *tx) +{ + spa_t *spa; + + if (sm == NULL) + return; + + spa = dmu_objset_spa(sm->sm_os); + if (spa_feature_is_enabled(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) { + dmu_object_info_t doi; + + dmu_object_info_from_db(sm->sm_dbuf, &doi); + if (doi.doi_bonus_size != SPACE_MAP_SIZE_V0) { + VERIFY(spa_feature_is_active(spa, + SPA_FEATURE_SPACEMAP_HISTOGRAM)); + spa_feature_decr(spa, + SPA_FEATURE_SPACEMAP_HISTOGRAM, tx); + } + } + + VERIFY3U(dmu_object_free(sm->sm_os, space_map_object(sm), tx), ==, 0); + sm->sm_object = 0; +} + +uint64_t +space_map_object(space_map_t *sm) +{ + return (sm != NULL ? sm->sm_object : 0); +} + +/* + * Returns the already synced, on-disk allocated space. + */ +uint64_t +space_map_allocated(space_map_t *sm) +{ + return (sm != NULL ? sm->sm_alloc : 0); +} + +/* + * Returns the already synced, on-disk length; + */ +uint64_t +space_map_length(space_map_t *sm) +{ + return (sm != NULL ? sm->sm_length : 0); +} + +/* + * Returns the allocated space that is currently syncing. + */ +int64_t +space_map_alloc_delta(space_map_t *sm) +{ + if (sm == NULL) + return (0); + ASSERT(sm->sm_dbuf != NULL); + return (sm->sm_phys->smp_alloc - space_map_allocated(sm)); +} diff --git a/zfs/module/zfs/space_reftree.c b/zfs/module/zfs/space_reftree.c new file mode 100644 index 000000000000..a508092c530e --- /dev/null +++ b/zfs/module/zfs/space_reftree.c @@ -0,0 +1,159 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include + +/* + * Space reference trees. + * + * A range tree is a collection of integers. Every integer is either + * in the tree, or it's not. A space reference tree generalizes + * the idea: it allows its members to have arbitrary reference counts, + * as opposed to the implicit reference count of 0 or 1 in a range tree. + * This representation comes in handy when computing the union or + * intersection of multiple space maps. For example, the union of + * N range trees is the subset of the reference tree with refcnt >= 1. + * The intersection of N range trees is the subset with refcnt >= N. + * + * [It's very much like a Fourier transform. Unions and intersections + * are hard to perform in the 'range tree domain', so we convert the trees + * into the 'reference count domain', where it's trivial, then invert.] + * + * vdev_dtl_reassess() uses computations of this form to determine + * DTL_MISSING and DTL_OUTAGE for interior vdevs -- e.g. a RAID-Z vdev + * has an outage wherever refcnt >= vdev_nparity + 1, and a mirror vdev + * has an outage wherever refcnt >= vdev_children. + */ +static int +space_reftree_compare(const void *x1, const void *x2) +{ + const space_ref_t *sr1 = x1; + const space_ref_t *sr2 = x2; + + if (sr1->sr_offset < sr2->sr_offset) + return (-1); + if (sr1->sr_offset > sr2->sr_offset) + return (1); + + if (sr1 < sr2) + return (-1); + if (sr1 > sr2) + return (1); + + return (0); +} + +void +space_reftree_create(avl_tree_t *t) +{ + avl_create(t, space_reftree_compare, + sizeof (space_ref_t), offsetof(space_ref_t, sr_node)); +} + +void +space_reftree_destroy(avl_tree_t *t) +{ + space_ref_t *sr; + void *cookie = NULL; + + while ((sr = avl_destroy_nodes(t, &cookie)) != NULL) + kmem_free(sr, sizeof (*sr)); + + avl_destroy(t); +} + +static void +space_reftree_add_node(avl_tree_t *t, uint64_t offset, int64_t refcnt) +{ + space_ref_t *sr; + + sr = kmem_alloc(sizeof (*sr), KM_SLEEP); + sr->sr_offset = offset; + sr->sr_refcnt = refcnt; + + avl_add(t, sr); +} + +void +space_reftree_add_seg(avl_tree_t *t, uint64_t start, uint64_t end, + int64_t refcnt) +{ + space_reftree_add_node(t, start, refcnt); + space_reftree_add_node(t, end, -refcnt); +} + +/* + * Convert (or add) a range tree into a reference tree. + */ +void +space_reftree_add_map(avl_tree_t *t, range_tree_t *rt, int64_t refcnt) +{ + range_seg_t *rs; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + + for (rs = avl_first(&rt->rt_root); rs; rs = AVL_NEXT(&rt->rt_root, rs)) + space_reftree_add_seg(t, rs->rs_start, rs->rs_end, refcnt); +} + +/* + * Convert a reference tree into a range tree. The range tree will contain + * all members of the reference tree for which refcnt >= minref. + */ +void +space_reftree_generate_map(avl_tree_t *t, range_tree_t *rt, int64_t minref) +{ + uint64_t start = -1ULL; + int64_t refcnt = 0; + space_ref_t *sr; + + ASSERT(MUTEX_HELD(rt->rt_lock)); + + range_tree_vacate(rt, NULL, NULL); + + for (sr = avl_first(t); sr != NULL; sr = AVL_NEXT(t, sr)) { + refcnt += sr->sr_refcnt; + if (refcnt >= minref) { + if (start == -1ULL) { + start = sr->sr_offset; + } + } else { + if (start != -1ULL) { + uint64_t end = sr->sr_offset; + ASSERT(start <= end); + if (end > start) + range_tree_add(rt, start, end - start); + start = -1ULL; + } + } + } + ASSERT(refcnt == 0); + ASSERT(start == -1ULL); +} diff --git a/zfs/module/zfs/trace.c b/zfs/module/zfs/trace.c new file mode 100644 index 000000000000..0c9990e8547b --- /dev/null +++ b/zfs/module/zfs/trace.c @@ -0,0 +1,50 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Each Linux tracepoints subsystem must define CREATE_TRACE_POINTS in one + * (and only one) C file, so this dummy file exists for that purpose. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define CREATE_TRACE_POINTS +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include diff --git a/zfs/module/zfs/txg.c b/zfs/module/zfs/txg.c new file mode 100644 index 000000000000..1d5ee97b1368 --- /dev/null +++ b/zfs/module/zfs/txg.c @@ -0,0 +1,952 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Portions Copyright 2011 Martin Matuska + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * ZFS Transaction Groups + * ---------------------- + * + * ZFS transaction groups are, as the name implies, groups of transactions + * that act on persistent state. ZFS asserts consistency at the granularity of + * these transaction groups. Each successive transaction group (txg) is + * assigned a 64-bit consecutive identifier. There are three active + * transaction group states: open, quiescing, or syncing. At any given time, + * there may be an active txg associated with each state; each active txg may + * either be processing, or blocked waiting to enter the next state. There may + * be up to three active txgs, and there is always a txg in the open state + * (though it may be blocked waiting to enter the quiescing state). In broad + * strokes, transactions -- operations that change in-memory structures -- are + * accepted into the txg in the open state, and are completed while the txg is + * in the open or quiescing states. The accumulated changes are written to + * disk in the syncing state. + * + * Open + * + * When a new txg becomes active, it first enters the open state. New + * transactions -- updates to in-memory structures -- are assigned to the + * currently open txg. There is always a txg in the open state so that ZFS can + * accept new changes (though the txg may refuse new changes if it has hit + * some limit). ZFS advances the open txg to the next state for a variety of + * reasons such as it hitting a time or size threshold, or the execution of an + * administrative action that must be completed in the syncing state. + * + * Quiescing + * + * After a txg exits the open state, it enters the quiescing state. The + * quiescing state is intended to provide a buffer between accepting new + * transactions in the open state and writing them out to stable storage in + * the syncing state. While quiescing, transactions can continue their + * operation without delaying either of the other states. Typically, a txg is + * in the quiescing state very briefly since the operations are bounded by + * software latencies rather than, say, slower I/O latencies. After all + * transactions complete, the txg is ready to enter the next state. + * + * Syncing + * + * In the syncing state, the in-memory state built up during the open and (to + * a lesser degree) the quiescing states is written to stable storage. The + * process of writing out modified data can, in turn modify more data. For + * example when we write new blocks, we need to allocate space for them; those + * allocations modify metadata (space maps)... which themselves must be + * written to stable storage. During the sync state, ZFS iterates, writing out + * data until it converges and all in-memory changes have been written out. + * The first such pass is the largest as it encompasses all the modified user + * data (as opposed to filesystem metadata). Subsequent passes typically have + * far less data to write as they consist exclusively of filesystem metadata. + * + * To ensure convergence, after a certain number of passes ZFS begins + * overwriting locations on stable storage that had been allocated earlier in + * the syncing state (and subsequently freed). ZFS usually allocates new + * blocks to optimize for large, continuous, writes. For the syncing state to + * converge however it must complete a pass where no new blocks are allocated + * since each allocation requires a modification of persistent metadata. + * Further, to hasten convergence, after a prescribed number of passes, ZFS + * also defers frees, and stops compressing. + * + * In addition to writing out user data, we must also execute synctasks during + * the syncing context. A synctask is the mechanism by which some + * administrative activities work such as creating and destroying snapshots or + * datasets. Note that when a synctask is initiated it enters the open txg, + * and ZFS then pushes that txg as quickly as possible to completion of the + * syncing state in order to reduce the latency of the administrative + * activity. To complete the syncing state, ZFS writes out a new uberblock, + * the root of the tree of blocks that comprise all state stored on the ZFS + * pool. Finally, if there is a quiesced txg waiting, we signal that it can + * now transition to the syncing state. + */ + +static void txg_sync_thread(dsl_pool_t *dp); +static void txg_quiesce_thread(dsl_pool_t *dp); + +int zfs_txg_timeout = 5; /* max seconds worth of delta per txg */ + +/* + * Prepare the txg subsystem. + */ +void +txg_init(dsl_pool_t *dp, uint64_t txg) +{ + tx_state_t *tx = &dp->dp_tx; + int c; + bzero(tx, sizeof (tx_state_t)); + + tx->tx_cpu = vmem_zalloc(max_ncpus * sizeof (tx_cpu_t), KM_SLEEP); + + for (c = 0; c < max_ncpus; c++) { + int i; + + mutex_init(&tx->tx_cpu[c].tc_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&tx->tx_cpu[c].tc_open_lock, NULL, MUTEX_DEFAULT, + NULL); + for (i = 0; i < TXG_SIZE; i++) { + cv_init(&tx->tx_cpu[c].tc_cv[i], NULL, CV_DEFAULT, + NULL); + list_create(&tx->tx_cpu[c].tc_callbacks[i], + sizeof (dmu_tx_callback_t), + offsetof(dmu_tx_callback_t, dcb_node)); + } + } + + mutex_init(&tx->tx_sync_lock, NULL, MUTEX_DEFAULT, NULL); + + cv_init(&tx->tx_sync_more_cv, NULL, CV_DEFAULT, NULL); + cv_init(&tx->tx_sync_done_cv, NULL, CV_DEFAULT, NULL); + cv_init(&tx->tx_quiesce_more_cv, NULL, CV_DEFAULT, NULL); + cv_init(&tx->tx_quiesce_done_cv, NULL, CV_DEFAULT, NULL); + cv_init(&tx->tx_exit_cv, NULL, CV_DEFAULT, NULL); + + tx->tx_open_txg = txg; +} + +/* + * Close down the txg subsystem. + */ +void +txg_fini(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + int c; + + ASSERT(tx->tx_threads == 0); + + mutex_destroy(&tx->tx_sync_lock); + + cv_destroy(&tx->tx_sync_more_cv); + cv_destroy(&tx->tx_sync_done_cv); + cv_destroy(&tx->tx_quiesce_more_cv); + cv_destroy(&tx->tx_quiesce_done_cv); + cv_destroy(&tx->tx_exit_cv); + + for (c = 0; c < max_ncpus; c++) { + int i; + + mutex_destroy(&tx->tx_cpu[c].tc_open_lock); + mutex_destroy(&tx->tx_cpu[c].tc_lock); + for (i = 0; i < TXG_SIZE; i++) { + cv_destroy(&tx->tx_cpu[c].tc_cv[i]); + list_destroy(&tx->tx_cpu[c].tc_callbacks[i]); + } + } + + if (tx->tx_commit_cb_taskq != NULL) + taskq_destroy(tx->tx_commit_cb_taskq); + + vmem_free(tx->tx_cpu, max_ncpus * sizeof (tx_cpu_t)); + + bzero(tx, sizeof (tx_state_t)); +} + +/* + * Start syncing transaction groups. + */ +void +txg_sync_start(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + + mutex_enter(&tx->tx_sync_lock); + + dprintf("pool %p\n", dp); + + ASSERT(tx->tx_threads == 0); + + tx->tx_threads = 2; + + tx->tx_quiesce_thread = thread_create(NULL, 0, txg_quiesce_thread, + dp, 0, &p0, TS_RUN, defclsyspri); + + /* + * The sync thread can need a larger-than-default stack size on + * 32-bit x86. This is due in part to nested pools and + * scrub_visitbp() recursion. + */ + tx->tx_sync_thread = thread_create(NULL, 32<<10, txg_sync_thread, + dp, 0, &p0, TS_RUN, defclsyspri); + + mutex_exit(&tx->tx_sync_lock); +} + +static void +txg_thread_enter(tx_state_t *tx, callb_cpr_t *cpr) +{ + CALLB_CPR_INIT(cpr, &tx->tx_sync_lock, callb_generic_cpr, FTAG); + mutex_enter(&tx->tx_sync_lock); +} + +static void +txg_thread_exit(tx_state_t *tx, callb_cpr_t *cpr, kthread_t **tpp) +{ + ASSERT(*tpp != NULL); + *tpp = NULL; + tx->tx_threads--; + cv_broadcast(&tx->tx_exit_cv); + CALLB_CPR_EXIT(cpr); /* drops &tx->tx_sync_lock */ + thread_exit(); +} + +static void +txg_thread_wait(tx_state_t *tx, callb_cpr_t *cpr, kcondvar_t *cv, clock_t time) +{ + CALLB_CPR_SAFE_BEGIN(cpr); + + if (time) + (void) cv_timedwait_sig(cv, &tx->tx_sync_lock, + ddi_get_lbolt() + time); + else + cv_wait_sig(cv, &tx->tx_sync_lock); + + CALLB_CPR_SAFE_END(cpr, &tx->tx_sync_lock); +} + +/* + * Stop syncing transaction groups. + */ +void +txg_sync_stop(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + + dprintf("pool %p\n", dp); + /* + * Finish off any work in progress. + */ + ASSERT(tx->tx_threads == 2); + + /* + * We need to ensure that we've vacated the deferred space_maps. + */ + txg_wait_synced(dp, tx->tx_open_txg + TXG_DEFER_SIZE); + + /* + * Wake all sync threads and wait for them to die. + */ + mutex_enter(&tx->tx_sync_lock); + + ASSERT(tx->tx_threads == 2); + + tx->tx_exiting = 1; + + cv_broadcast(&tx->tx_quiesce_more_cv); + cv_broadcast(&tx->tx_quiesce_done_cv); + cv_broadcast(&tx->tx_sync_more_cv); + + while (tx->tx_threads != 0) + cv_wait(&tx->tx_exit_cv, &tx->tx_sync_lock); + + tx->tx_exiting = 0; + + mutex_exit(&tx->tx_sync_lock); +} + +uint64_t +txg_hold_open(dsl_pool_t *dp, txg_handle_t *th) +{ + tx_state_t *tx = &dp->dp_tx; + tx_cpu_t *tc; + uint64_t txg; + + /* + * It appears the processor id is simply used as a "random" + * number to index into the array, and there isn't any other + * significance to the chosen tx_cpu. Because.. Why not use + * the current cpu to index into the array? + */ + kpreempt_disable(); + tc = &tx->tx_cpu[CPU_SEQID]; + kpreempt_enable(); + + mutex_enter(&tc->tc_open_lock); + txg = tx->tx_open_txg; + + mutex_enter(&tc->tc_lock); + tc->tc_count[txg & TXG_MASK]++; + mutex_exit(&tc->tc_lock); + + th->th_cpu = tc; + th->th_txg = txg; + + return (txg); +} + +void +txg_rele_to_quiesce(txg_handle_t *th) +{ + tx_cpu_t *tc = th->th_cpu; + + ASSERT(!MUTEX_HELD(&tc->tc_lock)); + mutex_exit(&tc->tc_open_lock); +} + +void +txg_register_callbacks(txg_handle_t *th, list_t *tx_callbacks) +{ + tx_cpu_t *tc = th->th_cpu; + int g = th->th_txg & TXG_MASK; + + mutex_enter(&tc->tc_lock); + list_move_tail(&tc->tc_callbacks[g], tx_callbacks); + mutex_exit(&tc->tc_lock); +} + +void +txg_rele_to_sync(txg_handle_t *th) +{ + tx_cpu_t *tc = th->th_cpu; + int g = th->th_txg & TXG_MASK; + + mutex_enter(&tc->tc_lock); + ASSERT(tc->tc_count[g] != 0); + if (--tc->tc_count[g] == 0) + cv_broadcast(&tc->tc_cv[g]); + mutex_exit(&tc->tc_lock); + + th->th_cpu = NULL; /* defensive */ +} + +/* + * Blocks until all transactions in the group are committed. + * + * On return, the transaction group has reached a stable state in which it can + * then be passed off to the syncing context. + */ +static void +txg_quiesce(dsl_pool_t *dp, uint64_t txg) +{ + tx_state_t *tx = &dp->dp_tx; + int g = txg & TXG_MASK; + int c; + + /* + * Grab all tc_open_locks so nobody else can get into this txg. + */ + for (c = 0; c < max_ncpus; c++) + mutex_enter(&tx->tx_cpu[c].tc_open_lock); + + ASSERT(txg == tx->tx_open_txg); + tx->tx_open_txg++; + tx->tx_open_time = gethrtime(); + + spa_txg_history_set(dp->dp_spa, txg, TXG_STATE_OPEN, tx->tx_open_time); + spa_txg_history_add(dp->dp_spa, tx->tx_open_txg, tx->tx_open_time); + + DTRACE_PROBE2(txg__quiescing, dsl_pool_t *, dp, uint64_t, txg); + DTRACE_PROBE2(txg__opened, dsl_pool_t *, dp, uint64_t, tx->tx_open_txg); + + /* + * Now that we've incremented tx_open_txg, we can let threads + * enter the next transaction group. + */ + for (c = 0; c < max_ncpus; c++) + mutex_exit(&tx->tx_cpu[c].tc_open_lock); + + /* + * Quiesce the transaction group by waiting for everyone to txg_exit(). + */ + for (c = 0; c < max_ncpus; c++) { + tx_cpu_t *tc = &tx->tx_cpu[c]; + mutex_enter(&tc->tc_lock); + while (tc->tc_count[g] != 0) + cv_wait(&tc->tc_cv[g], &tc->tc_lock); + mutex_exit(&tc->tc_lock); + } + + spa_txg_history_set(dp->dp_spa, txg, TXG_STATE_QUIESCED, gethrtime()); +} + +static void +txg_do_callbacks(list_t *cb_list) +{ + dmu_tx_do_callbacks(cb_list, 0); + + list_destroy(cb_list); + + kmem_free(cb_list, sizeof (list_t)); +} + +/* + * Dispatch the commit callbacks registered on this txg to worker threads. + * + * If no callbacks are registered for a given TXG, nothing happens. + * This function creates a taskq for the associated pool, if needed. + */ +static void +txg_dispatch_callbacks(dsl_pool_t *dp, uint64_t txg) +{ + int c; + tx_state_t *tx = &dp->dp_tx; + list_t *cb_list; + + for (c = 0; c < max_ncpus; c++) { + tx_cpu_t *tc = &tx->tx_cpu[c]; + /* + * No need to lock tx_cpu_t at this point, since this can + * only be called once a txg has been synced. + */ + + int g = txg & TXG_MASK; + + if (list_is_empty(&tc->tc_callbacks[g])) + continue; + + if (tx->tx_commit_cb_taskq == NULL) { + /* + * Commit callback taskq hasn't been created yet. + */ + tx->tx_commit_cb_taskq = taskq_create("tx_commit_cb", + max_ncpus, defclsyspri, max_ncpus, max_ncpus * 2, + TASKQ_PREPOPULATE | TASKQ_DYNAMIC); + } + + cb_list = kmem_alloc(sizeof (list_t), KM_SLEEP); + list_create(cb_list, sizeof (dmu_tx_callback_t), + offsetof(dmu_tx_callback_t, dcb_node)); + + list_move_tail(cb_list, &tc->tc_callbacks[g]); + + (void) taskq_dispatch(tx->tx_commit_cb_taskq, (task_func_t *) + txg_do_callbacks, cb_list, TQ_SLEEP); + } +} + +/* + * Wait for pending commit callbacks of already-synced transactions to finish + * processing. + * Calling this function from within a commit callback will deadlock. + */ +void +txg_wait_callbacks(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + + if (tx->tx_commit_cb_taskq != NULL) + taskq_wait_outstanding(tx->tx_commit_cb_taskq, 0); +} + +static void +txg_sync_thread(dsl_pool_t *dp) +{ + spa_t *spa = dp->dp_spa; + tx_state_t *tx = &dp->dp_tx; + callb_cpr_t cpr; + vdev_stat_t *vs1, *vs2; + clock_t start, delta; + + (void) spl_fstrans_mark(); + txg_thread_enter(tx, &cpr); + + vs1 = kmem_alloc(sizeof (vdev_stat_t), KM_SLEEP); + vs2 = kmem_alloc(sizeof (vdev_stat_t), KM_SLEEP); + + start = delta = 0; + for (;;) { + clock_t timer, timeout; + uint64_t txg; + uint64_t ndirty; + + timeout = zfs_txg_timeout * hz; + + /* + * We sync when we're scanning, there's someone waiting + * on us, or the quiesce thread has handed off a txg to + * us, or we have reached our timeout. + */ + timer = (delta >= timeout ? 0 : timeout - delta); + while (!dsl_scan_active(dp->dp_scan) && + !tx->tx_exiting && timer > 0 && + tx->tx_synced_txg >= tx->tx_sync_txg_waiting && + tx->tx_quiesced_txg == 0 && + dp->dp_dirty_total < zfs_dirty_data_sync) { + dprintf("waiting; tx_synced=%llu waiting=%llu dp=%p\n", + tx->tx_synced_txg, tx->tx_sync_txg_waiting, dp); + txg_thread_wait(tx, &cpr, &tx->tx_sync_more_cv, timer); + delta = ddi_get_lbolt() - start; + timer = (delta > timeout ? 0 : timeout - delta); + } + + /* + * Wait until the quiesce thread hands off a txg to us, + * prompting it to do so if necessary. + */ + while (!tx->tx_exiting && tx->tx_quiesced_txg == 0) { + if (tx->tx_quiesce_txg_waiting < tx->tx_open_txg+1) + tx->tx_quiesce_txg_waiting = tx->tx_open_txg+1; + cv_broadcast(&tx->tx_quiesce_more_cv); + txg_thread_wait(tx, &cpr, &tx->tx_quiesce_done_cv, 0); + } + + if (tx->tx_exiting) { + kmem_free(vs2, sizeof (vdev_stat_t)); + kmem_free(vs1, sizeof (vdev_stat_t)); + txg_thread_exit(tx, &cpr, &tx->tx_sync_thread); + } + + spa_config_enter(spa, SCL_ALL, FTAG, RW_READER); + vdev_get_stats(spa->spa_root_vdev, vs1); + spa_config_exit(spa, SCL_ALL, FTAG); + + /* + * Consume the quiesced txg which has been handed off to + * us. This may cause the quiescing thread to now be + * able to quiesce another txg, so we must signal it. + */ + txg = tx->tx_quiesced_txg; + tx->tx_quiesced_txg = 0; + tx->tx_syncing_txg = txg; + DTRACE_PROBE2(txg__syncing, dsl_pool_t *, dp, uint64_t, txg); + cv_broadcast(&tx->tx_quiesce_more_cv); + + dprintf("txg=%llu quiesce_txg=%llu sync_txg=%llu\n", + txg, tx->tx_quiesce_txg_waiting, tx->tx_sync_txg_waiting); + mutex_exit(&tx->tx_sync_lock); + + spa_txg_history_set(spa, txg, TXG_STATE_WAIT_FOR_SYNC, + gethrtime()); + ndirty = dp->dp_dirty_pertxg[txg & TXG_MASK]; + + start = ddi_get_lbolt(); + spa_sync(spa, txg); + delta = ddi_get_lbolt() - start; + + mutex_enter(&tx->tx_sync_lock); + tx->tx_synced_txg = txg; + tx->tx_syncing_txg = 0; + DTRACE_PROBE2(txg__synced, dsl_pool_t *, dp, uint64_t, txg); + cv_broadcast(&tx->tx_sync_done_cv); + + /* + * Dispatch commit callbacks to worker threads. + */ + txg_dispatch_callbacks(dp, txg); + + spa_config_enter(spa, SCL_ALL, FTAG, RW_READER); + vdev_get_stats(spa->spa_root_vdev, vs2); + spa_config_exit(spa, SCL_ALL, FTAG); + spa_txg_history_set_io(spa, txg, + vs2->vs_bytes[ZIO_TYPE_READ]-vs1->vs_bytes[ZIO_TYPE_READ], + vs2->vs_bytes[ZIO_TYPE_WRITE]-vs1->vs_bytes[ZIO_TYPE_WRITE], + vs2->vs_ops[ZIO_TYPE_READ]-vs1->vs_ops[ZIO_TYPE_READ], + vs2->vs_ops[ZIO_TYPE_WRITE]-vs1->vs_ops[ZIO_TYPE_WRITE], + ndirty); + spa_txg_history_set(spa, txg, TXG_STATE_SYNCED, gethrtime()); + } +} + +static void +txg_quiesce_thread(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + callb_cpr_t cpr; + + txg_thread_enter(tx, &cpr); + + for (;;) { + uint64_t txg; + + /* + * We quiesce when there's someone waiting on us. + * However, we can only have one txg in "quiescing" or + * "quiesced, waiting to sync" state. So we wait until + * the "quiesced, waiting to sync" txg has been consumed + * by the sync thread. + */ + while (!tx->tx_exiting && + (tx->tx_open_txg >= tx->tx_quiesce_txg_waiting || + tx->tx_quiesced_txg != 0)) + txg_thread_wait(tx, &cpr, &tx->tx_quiesce_more_cv, 0); + + if (tx->tx_exiting) + txg_thread_exit(tx, &cpr, &tx->tx_quiesce_thread); + + txg = tx->tx_open_txg; + dprintf("txg=%llu quiesce_txg=%llu sync_txg=%llu\n", + txg, tx->tx_quiesce_txg_waiting, + tx->tx_sync_txg_waiting); + mutex_exit(&tx->tx_sync_lock); + txg_quiesce(dp, txg); + mutex_enter(&tx->tx_sync_lock); + + /* + * Hand this txg off to the sync thread. + */ + dprintf("quiesce done, handing off txg %llu\n", txg); + tx->tx_quiesced_txg = txg; + DTRACE_PROBE2(txg__quiesced, dsl_pool_t *, dp, uint64_t, txg); + cv_broadcast(&tx->tx_sync_more_cv); + cv_broadcast(&tx->tx_quiesce_done_cv); + } +} + +/* + * Delay this thread by delay nanoseconds if we are still in the open + * transaction group and there is already a waiting txg quiesing or quiesced. + * Abort the delay if this txg stalls or enters the quiesing state. + */ +void +txg_delay(dsl_pool_t *dp, uint64_t txg, hrtime_t delay, hrtime_t resolution) +{ + tx_state_t *tx = &dp->dp_tx; + hrtime_t start = gethrtime(); + + /* don't delay if this txg could transition to quiescing immediately */ + if (tx->tx_open_txg > txg || + tx->tx_syncing_txg == txg-1 || tx->tx_synced_txg == txg-1) + return; + + mutex_enter(&tx->tx_sync_lock); + if (tx->tx_open_txg > txg || tx->tx_synced_txg == txg-1) { + mutex_exit(&tx->tx_sync_lock); + return; + } + + while (gethrtime() - start < delay && + tx->tx_syncing_txg < txg-1 && !txg_stalled(dp)) { + (void) cv_timedwait_hires(&tx->tx_quiesce_more_cv, + &tx->tx_sync_lock, delay, resolution, 0); + } + + DMU_TX_STAT_BUMP(dmu_tx_delay); + + mutex_exit(&tx->tx_sync_lock); +} + +void +txg_wait_synced(dsl_pool_t *dp, uint64_t txg) +{ + tx_state_t *tx = &dp->dp_tx; + + ASSERT(!dsl_pool_config_held(dp)); + + mutex_enter(&tx->tx_sync_lock); + ASSERT(tx->tx_threads == 2); + if (txg == 0) + txg = tx->tx_open_txg + TXG_DEFER_SIZE; + if (tx->tx_sync_txg_waiting < txg) + tx->tx_sync_txg_waiting = txg; + dprintf("txg=%llu quiesce_txg=%llu sync_txg=%llu\n", + txg, tx->tx_quiesce_txg_waiting, tx->tx_sync_txg_waiting); + while (tx->tx_synced_txg < txg) { + dprintf("broadcasting sync more " + "tx_synced=%llu waiting=%llu dp=%p\n", + tx->tx_synced_txg, tx->tx_sync_txg_waiting, dp); + cv_broadcast(&tx->tx_sync_more_cv); + cv_wait(&tx->tx_sync_done_cv, &tx->tx_sync_lock); + } + mutex_exit(&tx->tx_sync_lock); +} + +void +txg_wait_open(dsl_pool_t *dp, uint64_t txg) +{ + tx_state_t *tx = &dp->dp_tx; + + ASSERT(!dsl_pool_config_held(dp)); + + mutex_enter(&tx->tx_sync_lock); + ASSERT(tx->tx_threads == 2); + if (txg == 0) + txg = tx->tx_open_txg + 1; + if (tx->tx_quiesce_txg_waiting < txg) + tx->tx_quiesce_txg_waiting = txg; + dprintf("txg=%llu quiesce_txg=%llu sync_txg=%llu\n", + txg, tx->tx_quiesce_txg_waiting, tx->tx_sync_txg_waiting); + while (tx->tx_open_txg < txg) { + cv_broadcast(&tx->tx_quiesce_more_cv); + cv_wait(&tx->tx_quiesce_done_cv, &tx->tx_sync_lock); + } + mutex_exit(&tx->tx_sync_lock); +} + +/* + * If there isn't a txg syncing or in the pipeline, push another txg through + * the pipeline by queiscing the open txg. + */ +void +txg_kick(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + + ASSERT(!dsl_pool_config_held(dp)); + + mutex_enter(&tx->tx_sync_lock); + if (tx->tx_syncing_txg == 0 && + tx->tx_quiesce_txg_waiting <= tx->tx_open_txg && + tx->tx_sync_txg_waiting <= tx->tx_synced_txg && + tx->tx_quiesced_txg <= tx->tx_synced_txg) { + tx->tx_quiesce_txg_waiting = tx->tx_open_txg + 1; + cv_broadcast(&tx->tx_quiesce_more_cv); + } + mutex_exit(&tx->tx_sync_lock); +} + +boolean_t +txg_stalled(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + return (tx->tx_quiesce_txg_waiting > tx->tx_open_txg); +} + +boolean_t +txg_sync_waiting(dsl_pool_t *dp) +{ + tx_state_t *tx = &dp->dp_tx; + + return (tx->tx_syncing_txg <= tx->tx_sync_txg_waiting || + tx->tx_quiesced_txg != 0); +} + +/* + * Per-txg object lists. + */ +void +txg_list_create(txg_list_t *tl, size_t offset) +{ + int t; + + mutex_init(&tl->tl_lock, NULL, MUTEX_DEFAULT, NULL); + + tl->tl_offset = offset; + + for (t = 0; t < TXG_SIZE; t++) + tl->tl_head[t] = NULL; +} + +void +txg_list_destroy(txg_list_t *tl) +{ + int t; + + for (t = 0; t < TXG_SIZE; t++) + ASSERT(txg_list_empty(tl, t)); + + mutex_destroy(&tl->tl_lock); +} + +boolean_t +txg_list_empty(txg_list_t *tl, uint64_t txg) +{ + return (tl->tl_head[txg & TXG_MASK] == NULL); +} + +/* + * Returns true if all txg lists are empty. + * + * Warning: this is inherently racy (an item could be added immediately + * after this function returns). We don't bother with the lock because + * it wouldn't change the semantics. + */ +boolean_t +txg_all_lists_empty(txg_list_t *tl) +{ + int i; + + for (i = 0; i < TXG_SIZE; i++) { + if (!txg_list_empty(tl, i)) { + return (B_FALSE); + } + } + return (B_TRUE); +} + +/* + * Add an entry to the list (unless it's already on the list). + * Returns B_TRUE if it was actually added. + */ +boolean_t +txg_list_add(txg_list_t *tl, void *p, uint64_t txg) +{ + int t = txg & TXG_MASK; + txg_node_t *tn = (txg_node_t *)((char *)p + tl->tl_offset); + boolean_t add; + + mutex_enter(&tl->tl_lock); + add = (tn->tn_member[t] == 0); + if (add) { + tn->tn_member[t] = 1; + tn->tn_next[t] = tl->tl_head[t]; + tl->tl_head[t] = tn; + } + mutex_exit(&tl->tl_lock); + + return (add); +} + +/* + * Add an entry to the end of the list, unless it's already on the list. + * (walks list to find end) + * Returns B_TRUE if it was actually added. + */ +boolean_t +txg_list_add_tail(txg_list_t *tl, void *p, uint64_t txg) +{ + int t = txg & TXG_MASK; + txg_node_t *tn = (txg_node_t *)((char *)p + tl->tl_offset); + boolean_t add; + + mutex_enter(&tl->tl_lock); + add = (tn->tn_member[t] == 0); + if (add) { + txg_node_t **tp; + + for (tp = &tl->tl_head[t]; *tp != NULL; tp = &(*tp)->tn_next[t]) + continue; + + tn->tn_member[t] = 1; + tn->tn_next[t] = NULL; + *tp = tn; + } + mutex_exit(&tl->tl_lock); + + return (add); +} + +/* + * Remove the head of the list and return it. + */ +void * +txg_list_remove(txg_list_t *tl, uint64_t txg) +{ + int t = txg & TXG_MASK; + txg_node_t *tn; + void *p = NULL; + + mutex_enter(&tl->tl_lock); + if ((tn = tl->tl_head[t]) != NULL) { + p = (char *)tn - tl->tl_offset; + tl->tl_head[t] = tn->tn_next[t]; + tn->tn_next[t] = NULL; + tn->tn_member[t] = 0; + } + mutex_exit(&tl->tl_lock); + + return (p); +} + +/* + * Remove a specific item from the list and return it. + */ +void * +txg_list_remove_this(txg_list_t *tl, void *p, uint64_t txg) +{ + int t = txg & TXG_MASK; + txg_node_t *tn, **tp; + + mutex_enter(&tl->tl_lock); + + for (tp = &tl->tl_head[t]; (tn = *tp) != NULL; tp = &tn->tn_next[t]) { + if ((char *)tn - tl->tl_offset == p) { + *tp = tn->tn_next[t]; + tn->tn_next[t] = NULL; + tn->tn_member[t] = 0; + mutex_exit(&tl->tl_lock); + return (p); + } + } + + mutex_exit(&tl->tl_lock); + + return (NULL); +} + +boolean_t +txg_list_member(txg_list_t *tl, void *p, uint64_t txg) +{ + int t = txg & TXG_MASK; + txg_node_t *tn = (txg_node_t *)((char *)p + tl->tl_offset); + + return (tn->tn_member[t] != 0); +} + +/* + * Walk a txg list -- only safe if you know it's not changing. + */ +void * +txg_list_head(txg_list_t *tl, uint64_t txg) +{ + int t = txg & TXG_MASK; + txg_node_t *tn = tl->tl_head[t]; + + return (tn == NULL ? NULL : (char *)tn - tl->tl_offset); +} + +void * +txg_list_next(txg_list_t *tl, void *p, uint64_t txg) +{ + int t = txg & TXG_MASK; + txg_node_t *tn = (txg_node_t *)((char *)p + tl->tl_offset); + + tn = tn->tn_next[t]; + + return (tn == NULL ? NULL : (char *)tn - tl->tl_offset); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(txg_init); +EXPORT_SYMBOL(txg_fini); +EXPORT_SYMBOL(txg_sync_start); +EXPORT_SYMBOL(txg_sync_stop); +EXPORT_SYMBOL(txg_hold_open); +EXPORT_SYMBOL(txg_rele_to_quiesce); +EXPORT_SYMBOL(txg_rele_to_sync); +EXPORT_SYMBOL(txg_register_callbacks); +EXPORT_SYMBOL(txg_delay); +EXPORT_SYMBOL(txg_wait_synced); +EXPORT_SYMBOL(txg_wait_open); +EXPORT_SYMBOL(txg_wait_callbacks); +EXPORT_SYMBOL(txg_stalled); +EXPORT_SYMBOL(txg_sync_waiting); + +module_param(zfs_txg_timeout, int, 0644); +MODULE_PARM_DESC(zfs_txg_timeout, "Max seconds worth of delta per txg"); +#endif diff --git a/zfs/module/zfs/uberblock.c b/zfs/module/zfs/uberblock.c new file mode 100644 index 000000000000..f8bdecdf5749 --- /dev/null +++ b/zfs/module/zfs/uberblock.c @@ -0,0 +1,62 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include + +int +uberblock_verify(uberblock_t *ub) +{ + if (ub->ub_magic == BSWAP_64((uint64_t)UBERBLOCK_MAGIC)) + byteswap_uint64_array(ub, sizeof (uberblock_t)); + + if (ub->ub_magic != UBERBLOCK_MAGIC) + return (SET_ERROR(EINVAL)); + + return (0); +} + +/* + * Update the uberblock and return TRUE if anything changed in this + * transaction group. + */ +boolean_t +uberblock_update(uberblock_t *ub, vdev_t *rvd, uint64_t txg) +{ + ASSERT(ub->ub_txg < txg); + + /* + * We explicitly do not set ub_version here, so that older versions + * continue to be written with the previous uberblock version. + */ + ub->ub_magic = UBERBLOCK_MAGIC; + ub->ub_txg = txg; + ub->ub_guid_sum = rvd->vdev_guid_sum; + ub->ub_timestamp = gethrestime_sec(); + ub->ub_software_version = SPA_VERSION; + + return (ub->ub_rootbp.blk_birth == txg); +} diff --git a/zfs/module/zfs/unique.c b/zfs/module/zfs/unique.c new file mode 100644 index 000000000000..8c1d2e2f9856 --- /dev/null +++ b/zfs/module/zfs/unique.c @@ -0,0 +1,116 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + + + +#include +#include +#include + +static avl_tree_t unique_avl; +static kmutex_t unique_mtx; + +typedef struct unique { + avl_node_t un_link; + uint64_t un_value; +} unique_t; + +#define UNIQUE_MASK ((1ULL << UNIQUE_BITS) - 1) + +static int +unique_compare(const void *a, const void *b) +{ + const unique_t *una = a; + const unique_t *unb = b; + + if (una->un_value < unb->un_value) + return (-1); + if (una->un_value > unb->un_value) + return (+1); + return (0); +} + +void +unique_init(void) +{ + avl_create(&unique_avl, unique_compare, + sizeof (unique_t), offsetof(unique_t, un_link)); + mutex_init(&unique_mtx, NULL, MUTEX_DEFAULT, NULL); +} + +void +unique_fini(void) +{ + avl_destroy(&unique_avl); + mutex_destroy(&unique_mtx); +} + +uint64_t +unique_create(void) +{ + uint64_t value = unique_insert(0); + unique_remove(value); + return (value); +} + +uint64_t +unique_insert(uint64_t value) +{ + avl_index_t idx; + unique_t *un = kmem_alloc(sizeof (unique_t), KM_SLEEP); + + un->un_value = value; + + mutex_enter(&unique_mtx); + while (un->un_value == 0 || un->un_value & ~UNIQUE_MASK || + avl_find(&unique_avl, un, &idx)) { + mutex_exit(&unique_mtx); + (void) random_get_pseudo_bytes((void*)&un->un_value, + sizeof (un->un_value)); + un->un_value &= UNIQUE_MASK; + mutex_enter(&unique_mtx); + } + + avl_insert(&unique_avl, un, idx); + mutex_exit(&unique_mtx); + + return (un->un_value); +} + +void +unique_remove(uint64_t value) +{ + unique_t un_tofind; + unique_t *un; + + un_tofind.un_value = value; + mutex_enter(&unique_mtx); + un = avl_find(&unique_avl, &un_tofind, NULL); + if (un != NULL) { + avl_remove(&unique_avl, un); + kmem_free(un, sizeof (unique_t)); + } + mutex_exit(&unique_mtx); +} diff --git a/zfs/module/zfs/vdev.c b/zfs/module/zfs/vdev.c new file mode 100644 index 000000000000..7d814a63b41f --- /dev/null +++ b/zfs/module/zfs/vdev.c @@ -0,0 +1,3448 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * When a vdev is added, it will be divided into approximately (but no + * more than) this number of metaslabs. + */ +int metaslabs_per_vdev = 200; + +/* + * Virtual device management. + */ + +static vdev_ops_t *vdev_ops_table[] = { + &vdev_root_ops, + &vdev_raidz_ops, + &vdev_mirror_ops, + &vdev_replacing_ops, + &vdev_spare_ops, + &vdev_disk_ops, + &vdev_file_ops, + &vdev_missing_ops, + &vdev_hole_ops, + NULL +}; + +/* + * Given a vdev type, return the appropriate ops vector. + */ +static vdev_ops_t * +vdev_getops(const char *type) +{ + vdev_ops_t *ops, **opspp; + + for (opspp = vdev_ops_table; (ops = *opspp) != NULL; opspp++) + if (strcmp(ops->vdev_op_type, type) == 0) + break; + + return (ops); +} + +/* + * Default asize function: return the MAX of psize with the asize of + * all children. This is what's used by anything other than RAID-Z. + */ +uint64_t +vdev_default_asize(vdev_t *vd, uint64_t psize) +{ + uint64_t asize = P2ROUNDUP(psize, 1ULL << vd->vdev_top->vdev_ashift); + uint64_t csize; + int c; + + for (c = 0; c < vd->vdev_children; c++) { + csize = vdev_psize_to_asize(vd->vdev_child[c], psize); + asize = MAX(asize, csize); + } + + return (asize); +} + +/* + * Get the minimum allocatable size. We define the allocatable size as + * the vdev's asize rounded to the nearest metaslab. This allows us to + * replace or attach devices which don't have the same physical size but + * can still satisfy the same number of allocations. + */ +uint64_t +vdev_get_min_asize(vdev_t *vd) +{ + vdev_t *pvd = vd->vdev_parent; + + /* + * If our parent is NULL (inactive spare or cache) or is the root, + * just return our own asize. + */ + if (pvd == NULL) + return (vd->vdev_asize); + + /* + * The top-level vdev just returns the allocatable size rounded + * to the nearest metaslab. + */ + if (vd == vd->vdev_top) + return (P2ALIGN(vd->vdev_asize, 1ULL << vd->vdev_ms_shift)); + + /* + * The allocatable space for a raidz vdev is N * sizeof(smallest child), + * so each child must provide at least 1/Nth of its asize. + */ + if (pvd->vdev_ops == &vdev_raidz_ops) + return (pvd->vdev_min_asize / pvd->vdev_children); + + return (pvd->vdev_min_asize); +} + +void +vdev_set_min_asize(vdev_t *vd) +{ + int c; + vd->vdev_min_asize = vdev_get_min_asize(vd); + + for (c = 0; c < vd->vdev_children; c++) + vdev_set_min_asize(vd->vdev_child[c]); +} + +vdev_t * +vdev_lookup_top(spa_t *spa, uint64_t vdev) +{ + vdev_t *rvd = spa->spa_root_vdev; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); + + if (vdev < rvd->vdev_children) { + ASSERT(rvd->vdev_child[vdev] != NULL); + return (rvd->vdev_child[vdev]); + } + + return (NULL); +} + +vdev_t * +vdev_lookup_by_guid(vdev_t *vd, uint64_t guid) +{ + vdev_t *mvd; + int c; + + if (vd->vdev_guid == guid) + return (vd); + + for (c = 0; c < vd->vdev_children; c++) + if ((mvd = vdev_lookup_by_guid(vd->vdev_child[c], guid)) != + NULL) + return (mvd); + + return (NULL); +} + +static int +vdev_count_leaves_impl(vdev_t *vd) +{ + int n = 0; + int c; + + if (vd->vdev_ops->vdev_op_leaf) + return (1); + + for (c = 0; c < vd->vdev_children; c++) + n += vdev_count_leaves_impl(vd->vdev_child[c]); + + return (n); +} + +int +vdev_count_leaves(spa_t *spa) +{ + return (vdev_count_leaves_impl(spa->spa_root_vdev)); +} + +void +vdev_add_child(vdev_t *pvd, vdev_t *cvd) +{ + size_t oldsize, newsize; + uint64_t id = cvd->vdev_id; + vdev_t **newchild; + + ASSERT(spa_config_held(cvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL); + ASSERT(cvd->vdev_parent == NULL); + + cvd->vdev_parent = pvd; + + if (pvd == NULL) + return; + + ASSERT(id >= pvd->vdev_children || pvd->vdev_child[id] == NULL); + + oldsize = pvd->vdev_children * sizeof (vdev_t *); + pvd->vdev_children = MAX(pvd->vdev_children, id + 1); + newsize = pvd->vdev_children * sizeof (vdev_t *); + + newchild = kmem_alloc(newsize, KM_SLEEP); + if (pvd->vdev_child != NULL) { + bcopy(pvd->vdev_child, newchild, oldsize); + kmem_free(pvd->vdev_child, oldsize); + } + + pvd->vdev_child = newchild; + pvd->vdev_child[id] = cvd; + + cvd->vdev_top = (pvd->vdev_top ? pvd->vdev_top: cvd); + ASSERT(cvd->vdev_top->vdev_parent->vdev_parent == NULL); + + /* + * Walk up all ancestors to update guid sum. + */ + for (; pvd != NULL; pvd = pvd->vdev_parent) + pvd->vdev_guid_sum += cvd->vdev_guid_sum; +} + +void +vdev_remove_child(vdev_t *pvd, vdev_t *cvd) +{ + int c; + uint_t id = cvd->vdev_id; + + ASSERT(cvd->vdev_parent == pvd); + + if (pvd == NULL) + return; + + ASSERT(id < pvd->vdev_children); + ASSERT(pvd->vdev_child[id] == cvd); + + pvd->vdev_child[id] = NULL; + cvd->vdev_parent = NULL; + + for (c = 0; c < pvd->vdev_children; c++) + if (pvd->vdev_child[c]) + break; + + if (c == pvd->vdev_children) { + kmem_free(pvd->vdev_child, c * sizeof (vdev_t *)); + pvd->vdev_child = NULL; + pvd->vdev_children = 0; + } + + /* + * Walk up all ancestors to update guid sum. + */ + for (; pvd != NULL; pvd = pvd->vdev_parent) + pvd->vdev_guid_sum -= cvd->vdev_guid_sum; +} + +/* + * Remove any holes in the child array. + */ +void +vdev_compact_children(vdev_t *pvd) +{ + vdev_t **newchild, *cvd; + int oldc = pvd->vdev_children; + int newc; + int c; + + ASSERT(spa_config_held(pvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + for (c = newc = 0; c < oldc; c++) + if (pvd->vdev_child[c]) + newc++; + + newchild = kmem_zalloc(newc * sizeof (vdev_t *), KM_SLEEP); + + for (c = newc = 0; c < oldc; c++) { + if ((cvd = pvd->vdev_child[c]) != NULL) { + newchild[newc] = cvd; + cvd->vdev_id = newc++; + } + } + + kmem_free(pvd->vdev_child, oldc * sizeof (vdev_t *)); + pvd->vdev_child = newchild; + pvd->vdev_children = newc; +} + +/* + * Allocate and minimally initialize a vdev_t. + */ +vdev_t * +vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops) +{ + vdev_t *vd; + int t; + + vd = kmem_zalloc(sizeof (vdev_t), KM_SLEEP); + + if (spa->spa_root_vdev == NULL) { + ASSERT(ops == &vdev_root_ops); + spa->spa_root_vdev = vd; + spa->spa_load_guid = spa_generate_guid(NULL); + } + + if (guid == 0 && ops != &vdev_hole_ops) { + if (spa->spa_root_vdev == vd) { + /* + * The root vdev's guid will also be the pool guid, + * which must be unique among all pools. + */ + guid = spa_generate_guid(NULL); + } else { + /* + * Any other vdev's guid must be unique within the pool. + */ + guid = spa_generate_guid(spa); + } + ASSERT(!spa_guid_exists(spa_guid(spa), guid)); + } + + vd->vdev_spa = spa; + vd->vdev_id = id; + vd->vdev_guid = guid; + vd->vdev_guid_sum = guid; + vd->vdev_ops = ops; + vd->vdev_state = VDEV_STATE_CLOSED; + vd->vdev_ishole = (ops == &vdev_hole_ops); + + list_link_init(&vd->vdev_config_dirty_node); + list_link_init(&vd->vdev_state_dirty_node); + mutex_init(&vd->vdev_dtl_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&vd->vdev_stat_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&vd->vdev_probe_lock, NULL, MUTEX_DEFAULT, NULL); + for (t = 0; t < DTL_TYPES; t++) { + vd->vdev_dtl[t] = range_tree_create(NULL, NULL, + &vd->vdev_dtl_lock); + } + txg_list_create(&vd->vdev_ms_list, + offsetof(struct metaslab, ms_txg_node)); + txg_list_create(&vd->vdev_dtl_list, + offsetof(struct vdev, vdev_dtl_node)); + vd->vdev_stat.vs_timestamp = gethrtime(); + vdev_queue_init(vd); + vdev_cache_init(vd); + + return (vd); +} + +/* + * Allocate a new vdev. The 'alloctype' is used to control whether we are + * creating a new vdev or loading an existing one - the behavior is slightly + * different for each case. + */ +int +vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id, + int alloctype) +{ + vdev_ops_t *ops; + char *type; + uint64_t guid = 0, islog, nparity; + vdev_t *vd; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) + return (SET_ERROR(EINVAL)); + + if ((ops = vdev_getops(type)) == NULL) + return (SET_ERROR(EINVAL)); + + /* + * If this is a load, get the vdev guid from the nvlist. + * Otherwise, vdev_alloc_common() will generate one for us. + */ + if (alloctype == VDEV_ALLOC_LOAD) { + uint64_t label_id; + + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, &label_id) || + label_id != id) + return (SET_ERROR(EINVAL)); + + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) != 0) + return (SET_ERROR(EINVAL)); + } else if (alloctype == VDEV_ALLOC_SPARE) { + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) != 0) + return (SET_ERROR(EINVAL)); + } else if (alloctype == VDEV_ALLOC_L2CACHE) { + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) != 0) + return (SET_ERROR(EINVAL)); + } else if (alloctype == VDEV_ALLOC_ROOTPOOL) { + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) != 0) + return (SET_ERROR(EINVAL)); + } + + /* + * The first allocated vdev must be of type 'root'. + */ + if (ops != &vdev_root_ops && spa->spa_root_vdev == NULL) + return (SET_ERROR(EINVAL)); + + /* + * Determine whether we're a log vdev. + */ + islog = 0; + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, &islog); + if (islog && spa_version(spa) < SPA_VERSION_SLOGS) + return (SET_ERROR(ENOTSUP)); + + if (ops == &vdev_hole_ops && spa_version(spa) < SPA_VERSION_HOLES) + return (SET_ERROR(ENOTSUP)); + + /* + * Set the nparity property for RAID-Z vdevs. + */ + nparity = -1ULL; + if (ops == &vdev_raidz_ops) { + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, + &nparity) == 0) { + if (nparity == 0 || nparity > VDEV_RAIDZ_MAXPARITY) + return (SET_ERROR(EINVAL)); + /* + * Previous versions could only support 1 or 2 parity + * device. + */ + if (nparity > 1 && + spa_version(spa) < SPA_VERSION_RAIDZ2) + return (SET_ERROR(ENOTSUP)); + if (nparity > 2 && + spa_version(spa) < SPA_VERSION_RAIDZ3) + return (SET_ERROR(ENOTSUP)); + } else { + /* + * We require the parity to be specified for SPAs that + * support multiple parity levels. + */ + if (spa_version(spa) >= SPA_VERSION_RAIDZ2) + return (SET_ERROR(EINVAL)); + /* + * Otherwise, we default to 1 parity device for RAID-Z. + */ + nparity = 1; + } + } else { + nparity = 0; + } + ASSERT(nparity != -1ULL); + + vd = vdev_alloc_common(spa, id, guid, ops); + + vd->vdev_islog = islog; + vd->vdev_nparity = nparity; + + if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &vd->vdev_path) == 0) + vd->vdev_path = spa_strdup(vd->vdev_path); + if (nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &vd->vdev_devid) == 0) + vd->vdev_devid = spa_strdup(vd->vdev_devid); + if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PHYS_PATH, + &vd->vdev_physpath) == 0) + vd->vdev_physpath = spa_strdup(vd->vdev_physpath); + if (nvlist_lookup_string(nv, ZPOOL_CONFIG_FRU, &vd->vdev_fru) == 0) + vd->vdev_fru = spa_strdup(vd->vdev_fru); + + /* + * Set the whole_disk property. If it's not specified, leave the value + * as -1. + */ + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, + &vd->vdev_wholedisk) != 0) + vd->vdev_wholedisk = -1ULL; + + /* + * Look for the 'not present' flag. This will only be set if the device + * was not present at the time of import. + */ + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, + &vd->vdev_not_present); + + /* + * Get the alignment requirement. + */ + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ASHIFT, &vd->vdev_ashift); + + /* + * Retrieve the vdev creation time. + */ + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_CREATE_TXG, + &vd->vdev_crtxg); + + /* + * If we're a top-level vdev, try to load the allocation parameters. + */ + if (parent && !parent->vdev_parent && + (alloctype == VDEV_ALLOC_LOAD || alloctype == VDEV_ALLOC_SPLIT)) { + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_METASLAB_ARRAY, + &vd->vdev_ms_array); + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_METASLAB_SHIFT, + &vd->vdev_ms_shift); + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ASIZE, + &vd->vdev_asize); + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVING, + &vd->vdev_removing); + } + + if (parent && !parent->vdev_parent && alloctype != VDEV_ALLOC_ATTACH) { + ASSERT(alloctype == VDEV_ALLOC_LOAD || + alloctype == VDEV_ALLOC_ADD || + alloctype == VDEV_ALLOC_SPLIT || + alloctype == VDEV_ALLOC_ROOTPOOL); + vd->vdev_mg = metaslab_group_create(islog ? + spa_log_class(spa) : spa_normal_class(spa), vd); + } + + /* + * If we're a leaf vdev, try to load the DTL object and other state. + */ + if (vd->vdev_ops->vdev_op_leaf && + (alloctype == VDEV_ALLOC_LOAD || alloctype == VDEV_ALLOC_L2CACHE || + alloctype == VDEV_ALLOC_ROOTPOOL)) { + if (alloctype == VDEV_ALLOC_LOAD) { + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DTL, + &vd->vdev_dtl_object); + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_UNSPARE, + &vd->vdev_unspare); + } + + if (alloctype == VDEV_ALLOC_ROOTPOOL) { + uint64_t spare = 0; + + if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, + &spare) == 0 && spare) + spa_spare_add(vd); + } + + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, + &vd->vdev_offline); + + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_RESILVER_TXG, + &vd->vdev_resilver_txg); + + /* + * When importing a pool, we want to ignore the persistent fault + * state, as the diagnosis made on another system may not be + * valid in the current context. Local vdevs will + * remain in the faulted state. + */ + if (spa_load_state(spa) == SPA_LOAD_OPEN) { + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, + &vd->vdev_faulted); + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DEGRADED, + &vd->vdev_degraded); + (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, + &vd->vdev_removed); + + if (vd->vdev_faulted || vd->vdev_degraded) { + char *aux; + + vd->vdev_label_aux = + VDEV_AUX_ERR_EXCEEDED; + if (nvlist_lookup_string(nv, + ZPOOL_CONFIG_AUX_STATE, &aux) == 0 && + strcmp(aux, "external") == 0) + vd->vdev_label_aux = VDEV_AUX_EXTERNAL; + } + } + } + + /* + * Add ourselves to the parent's list of children. + */ + vdev_add_child(parent, vd); + + *vdp = vd; + + return (0); +} + +void +vdev_free(vdev_t *vd) +{ + int c, t; + spa_t *spa = vd->vdev_spa; + + /* + * vdev_free() implies closing the vdev first. This is simpler than + * trying to ensure complicated semantics for all callers. + */ + vdev_close(vd); + + ASSERT(!list_link_active(&vd->vdev_config_dirty_node)); + ASSERT(!list_link_active(&vd->vdev_state_dirty_node)); + + /* + * Free all children. + */ + for (c = 0; c < vd->vdev_children; c++) + vdev_free(vd->vdev_child[c]); + + ASSERT(vd->vdev_child == NULL); + ASSERT(vd->vdev_guid_sum == vd->vdev_guid); + + /* + * Discard allocation state. + */ + if (vd->vdev_mg != NULL) { + vdev_metaslab_fini(vd); + metaslab_group_destroy(vd->vdev_mg); + } + + ASSERT0(vd->vdev_stat.vs_space); + ASSERT0(vd->vdev_stat.vs_dspace); + ASSERT0(vd->vdev_stat.vs_alloc); + + /* + * Remove this vdev from its parent's child list. + */ + vdev_remove_child(vd->vdev_parent, vd); + + ASSERT(vd->vdev_parent == NULL); + + /* + * Clean up vdev structure. + */ + vdev_queue_fini(vd); + vdev_cache_fini(vd); + + if (vd->vdev_path) + spa_strfree(vd->vdev_path); + if (vd->vdev_devid) + spa_strfree(vd->vdev_devid); + if (vd->vdev_physpath) + spa_strfree(vd->vdev_physpath); + if (vd->vdev_fru) + spa_strfree(vd->vdev_fru); + + if (vd->vdev_isspare) + spa_spare_remove(vd); + if (vd->vdev_isl2cache) + spa_l2cache_remove(vd); + + txg_list_destroy(&vd->vdev_ms_list); + txg_list_destroy(&vd->vdev_dtl_list); + + mutex_enter(&vd->vdev_dtl_lock); + space_map_close(vd->vdev_dtl_sm); + for (t = 0; t < DTL_TYPES; t++) { + range_tree_vacate(vd->vdev_dtl[t], NULL, NULL); + range_tree_destroy(vd->vdev_dtl[t]); + } + mutex_exit(&vd->vdev_dtl_lock); + + mutex_destroy(&vd->vdev_dtl_lock); + mutex_destroy(&vd->vdev_stat_lock); + mutex_destroy(&vd->vdev_probe_lock); + + if (vd == spa->spa_root_vdev) + spa->spa_root_vdev = NULL; + + kmem_free(vd, sizeof (vdev_t)); +} + +/* + * Transfer top-level vdev state from svd to tvd. + */ +static void +vdev_top_transfer(vdev_t *svd, vdev_t *tvd) +{ + spa_t *spa = svd->vdev_spa; + metaslab_t *msp; + vdev_t *vd; + int t; + + ASSERT(tvd == tvd->vdev_top); + + tvd->vdev_ms_array = svd->vdev_ms_array; + tvd->vdev_ms_shift = svd->vdev_ms_shift; + tvd->vdev_ms_count = svd->vdev_ms_count; + + svd->vdev_ms_array = 0; + svd->vdev_ms_shift = 0; + svd->vdev_ms_count = 0; + + if (tvd->vdev_mg) + ASSERT3P(tvd->vdev_mg, ==, svd->vdev_mg); + tvd->vdev_mg = svd->vdev_mg; + tvd->vdev_ms = svd->vdev_ms; + + svd->vdev_mg = NULL; + svd->vdev_ms = NULL; + + if (tvd->vdev_mg != NULL) + tvd->vdev_mg->mg_vd = tvd; + + tvd->vdev_stat.vs_alloc = svd->vdev_stat.vs_alloc; + tvd->vdev_stat.vs_space = svd->vdev_stat.vs_space; + tvd->vdev_stat.vs_dspace = svd->vdev_stat.vs_dspace; + + svd->vdev_stat.vs_alloc = 0; + svd->vdev_stat.vs_space = 0; + svd->vdev_stat.vs_dspace = 0; + + for (t = 0; t < TXG_SIZE; t++) { + while ((msp = txg_list_remove(&svd->vdev_ms_list, t)) != NULL) + (void) txg_list_add(&tvd->vdev_ms_list, msp, t); + while ((vd = txg_list_remove(&svd->vdev_dtl_list, t)) != NULL) + (void) txg_list_add(&tvd->vdev_dtl_list, vd, t); + if (txg_list_remove_this(&spa->spa_vdev_txg_list, svd, t)) + (void) txg_list_add(&spa->spa_vdev_txg_list, tvd, t); + } + + if (list_link_active(&svd->vdev_config_dirty_node)) { + vdev_config_clean(svd); + vdev_config_dirty(tvd); + } + + if (list_link_active(&svd->vdev_state_dirty_node)) { + vdev_state_clean(svd); + vdev_state_dirty(tvd); + } + + tvd->vdev_deflate_ratio = svd->vdev_deflate_ratio; + svd->vdev_deflate_ratio = 0; + + tvd->vdev_islog = svd->vdev_islog; + svd->vdev_islog = 0; +} + +static void +vdev_top_update(vdev_t *tvd, vdev_t *vd) +{ + int c; + + if (vd == NULL) + return; + + vd->vdev_top = tvd; + + for (c = 0; c < vd->vdev_children; c++) + vdev_top_update(tvd, vd->vdev_child[c]); +} + +/* + * Add a mirror/replacing vdev above an existing vdev. + */ +vdev_t * +vdev_add_parent(vdev_t *cvd, vdev_ops_t *ops) +{ + spa_t *spa = cvd->vdev_spa; + vdev_t *pvd = cvd->vdev_parent; + vdev_t *mvd; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + mvd = vdev_alloc_common(spa, cvd->vdev_id, 0, ops); + + mvd->vdev_asize = cvd->vdev_asize; + mvd->vdev_min_asize = cvd->vdev_min_asize; + mvd->vdev_max_asize = cvd->vdev_max_asize; + mvd->vdev_ashift = cvd->vdev_ashift; + mvd->vdev_state = cvd->vdev_state; + mvd->vdev_crtxg = cvd->vdev_crtxg; + + vdev_remove_child(pvd, cvd); + vdev_add_child(pvd, mvd); + cvd->vdev_id = mvd->vdev_children; + vdev_add_child(mvd, cvd); + vdev_top_update(cvd->vdev_top, cvd->vdev_top); + + if (mvd == mvd->vdev_top) + vdev_top_transfer(cvd, mvd); + + return (mvd); +} + +/* + * Remove a 1-way mirror/replacing vdev from the tree. + */ +void +vdev_remove_parent(vdev_t *cvd) +{ + vdev_t *mvd = cvd->vdev_parent; + vdev_t *pvd = mvd->vdev_parent; + + ASSERT(spa_config_held(cvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + ASSERT(mvd->vdev_children == 1); + ASSERT(mvd->vdev_ops == &vdev_mirror_ops || + mvd->vdev_ops == &vdev_replacing_ops || + mvd->vdev_ops == &vdev_spare_ops); + cvd->vdev_ashift = mvd->vdev_ashift; + + vdev_remove_child(mvd, cvd); + vdev_remove_child(pvd, mvd); + + /* + * If cvd will replace mvd as a top-level vdev, preserve mvd's guid. + * Otherwise, we could have detached an offline device, and when we + * go to import the pool we'll think we have two top-level vdevs, + * instead of a different version of the same top-level vdev. + */ + if (mvd->vdev_top == mvd) { + uint64_t guid_delta = mvd->vdev_guid - cvd->vdev_guid; + cvd->vdev_orig_guid = cvd->vdev_guid; + cvd->vdev_guid += guid_delta; + cvd->vdev_guid_sum += guid_delta; + + /* + * If pool not set for autoexpand, we need to also preserve + * mvd's asize to prevent automatic expansion of cvd. + * Otherwise if we are adjusting the mirror by attaching and + * detaching children of non-uniform sizes, the mirror could + * autoexpand, unexpectedly requiring larger devices to + * re-establish the mirror. + */ + if (!cvd->vdev_spa->spa_autoexpand) + cvd->vdev_asize = mvd->vdev_asize; + } + cvd->vdev_id = mvd->vdev_id; + vdev_add_child(pvd, cvd); + vdev_top_update(cvd->vdev_top, cvd->vdev_top); + + if (cvd == cvd->vdev_top) + vdev_top_transfer(mvd, cvd); + + ASSERT(mvd->vdev_children == 0); + vdev_free(mvd); +} + +int +vdev_metaslab_init(vdev_t *vd, uint64_t txg) +{ + spa_t *spa = vd->vdev_spa; + objset_t *mos = spa->spa_meta_objset; + uint64_t m; + uint64_t oldc = vd->vdev_ms_count; + uint64_t newc = vd->vdev_asize >> vd->vdev_ms_shift; + metaslab_t **mspp; + int error; + + ASSERT(txg == 0 || spa_config_held(spa, SCL_ALLOC, RW_WRITER)); + + /* + * This vdev is not being allocated from yet or is a hole. + */ + if (vd->vdev_ms_shift == 0) + return (0); + + ASSERT(!vd->vdev_ishole); + + /* + * Compute the raidz-deflation ratio. Note, we hard-code + * in 128k (1 << 17) because it is the "typical" blocksize. + * Even though SPA_MAXBLOCKSIZE changed, this algorithm can not change, + * otherwise it would inconsistently account for existing bp's. + */ + vd->vdev_deflate_ratio = (1 << 17) / + (vdev_psize_to_asize(vd, 1 << 17) >> SPA_MINBLOCKSHIFT); + + ASSERT(oldc <= newc); + + mspp = vmem_zalloc(newc * sizeof (*mspp), KM_SLEEP); + + if (oldc != 0) { + bcopy(vd->vdev_ms, mspp, oldc * sizeof (*mspp)); + vmem_free(vd->vdev_ms, oldc * sizeof (*mspp)); + } + + vd->vdev_ms = mspp; + vd->vdev_ms_count = newc; + + for (m = oldc; m < newc; m++) { + uint64_t object = 0; + + if (txg == 0) { + error = dmu_read(mos, vd->vdev_ms_array, + m * sizeof (uint64_t), sizeof (uint64_t), &object, + DMU_READ_PREFETCH); + if (error) + return (error); + } + + error = metaslab_init(vd->vdev_mg, m, object, txg, + &(vd->vdev_ms[m])); + if (error) + return (error); + } + + if (txg == 0) + spa_config_enter(spa, SCL_ALLOC, FTAG, RW_WRITER); + + /* + * If the vdev is being removed we don't activate + * the metaslabs since we want to ensure that no new + * allocations are performed on this device. + */ + if (oldc == 0 && !vd->vdev_removing) + metaslab_group_activate(vd->vdev_mg); + + if (txg == 0) + spa_config_exit(spa, SCL_ALLOC, FTAG); + + return (0); +} + +void +vdev_metaslab_fini(vdev_t *vd) +{ + uint64_t m; + uint64_t count = vd->vdev_ms_count; + + if (vd->vdev_ms != NULL) { + metaslab_group_passivate(vd->vdev_mg); + for (m = 0; m < count; m++) { + metaslab_t *msp = vd->vdev_ms[m]; + + if (msp != NULL) + metaslab_fini(msp); + } + vmem_free(vd->vdev_ms, count * sizeof (metaslab_t *)); + vd->vdev_ms = NULL; + } + + ASSERT3U(vd->vdev_pending_fastwrite, ==, 0); +} + +typedef struct vdev_probe_stats { + boolean_t vps_readable; + boolean_t vps_writeable; + int vps_flags; +} vdev_probe_stats_t; + +static void +vdev_probe_done(zio_t *zio) +{ + spa_t *spa = zio->io_spa; + vdev_t *vd = zio->io_vd; + vdev_probe_stats_t *vps = zio->io_private; + + ASSERT(vd->vdev_probe_zio != NULL); + + if (zio->io_type == ZIO_TYPE_READ) { + if (zio->io_error == 0) + vps->vps_readable = 1; + if (zio->io_error == 0 && spa_writeable(spa)) { + zio_nowait(zio_write_phys(vd->vdev_probe_zio, vd, + zio->io_offset, zio->io_size, zio->io_data, + ZIO_CHECKSUM_OFF, vdev_probe_done, vps, + ZIO_PRIORITY_SYNC_WRITE, vps->vps_flags, B_TRUE)); + } else { + zio_buf_free(zio->io_data, zio->io_size); + } + } else if (zio->io_type == ZIO_TYPE_WRITE) { + if (zio->io_error == 0) + vps->vps_writeable = 1; + zio_buf_free(zio->io_data, zio->io_size); + } else if (zio->io_type == ZIO_TYPE_NULL) { + zio_t *pio; + + vd->vdev_cant_read |= !vps->vps_readable; + vd->vdev_cant_write |= !vps->vps_writeable; + + if (vdev_readable(vd) && + (vdev_writeable(vd) || !spa_writeable(spa))) { + zio->io_error = 0; + } else { + ASSERT(zio->io_error != 0); + zfs_ereport_post(FM_EREPORT_ZFS_PROBE_FAILURE, + spa, vd, NULL, 0, 0); + zio->io_error = SET_ERROR(ENXIO); + } + + mutex_enter(&vd->vdev_probe_lock); + ASSERT(vd->vdev_probe_zio == zio); + vd->vdev_probe_zio = NULL; + mutex_exit(&vd->vdev_probe_lock); + + while ((pio = zio_walk_parents(zio)) != NULL) + if (!vdev_accessible(vd, pio)) + pio->io_error = SET_ERROR(ENXIO); + + kmem_free(vps, sizeof (*vps)); + } +} + +/* + * Determine whether this device is accessible. + * + * Read and write to several known locations: the pad regions of each + * vdev label but the first, which we leave alone in case it contains + * a VTOC. + */ +zio_t * +vdev_probe(vdev_t *vd, zio_t *zio) +{ + spa_t *spa = vd->vdev_spa; + vdev_probe_stats_t *vps = NULL; + zio_t *pio; + int l; + + ASSERT(vd->vdev_ops->vdev_op_leaf); + + /* + * Don't probe the probe. + */ + if (zio && (zio->io_flags & ZIO_FLAG_PROBE)) + return (NULL); + + /* + * To prevent 'probe storms' when a device fails, we create + * just one probe i/o at a time. All zios that want to probe + * this vdev will become parents of the probe io. + */ + mutex_enter(&vd->vdev_probe_lock); + + if ((pio = vd->vdev_probe_zio) == NULL) { + vps = kmem_zalloc(sizeof (*vps), KM_SLEEP); + + vps->vps_flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_PROBE | + ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_AGGREGATE | + ZIO_FLAG_TRYHARD; + + if (spa_config_held(spa, SCL_ZIO, RW_WRITER)) { + /* + * vdev_cant_read and vdev_cant_write can only + * transition from TRUE to FALSE when we have the + * SCL_ZIO lock as writer; otherwise they can only + * transition from FALSE to TRUE. This ensures that + * any zio looking at these values can assume that + * failures persist for the life of the I/O. That's + * important because when a device has intermittent + * connectivity problems, we want to ensure that + * they're ascribed to the device (ENXIO) and not + * the zio (EIO). + * + * Since we hold SCL_ZIO as writer here, clear both + * values so the probe can reevaluate from first + * principles. + */ + vps->vps_flags |= ZIO_FLAG_CONFIG_WRITER; + vd->vdev_cant_read = B_FALSE; + vd->vdev_cant_write = B_FALSE; + } + + vd->vdev_probe_zio = pio = zio_null(NULL, spa, vd, + vdev_probe_done, vps, + vps->vps_flags | ZIO_FLAG_DONT_PROPAGATE); + + /* + * We can't change the vdev state in this context, so we + * kick off an async task to do it on our behalf. + */ + if (zio != NULL) { + vd->vdev_probe_wanted = B_TRUE; + spa_async_request(spa, SPA_ASYNC_PROBE); + } + } + + if (zio != NULL) + zio_add_child(zio, pio); + + mutex_exit(&vd->vdev_probe_lock); + + if (vps == NULL) { + ASSERT(zio != NULL); + return (NULL); + } + + for (l = 1; l < VDEV_LABELS; l++) { + zio_nowait(zio_read_phys(pio, vd, + vdev_label_offset(vd->vdev_psize, l, + offsetof(vdev_label_t, vl_pad2)), + VDEV_PAD_SIZE, zio_buf_alloc(VDEV_PAD_SIZE), + ZIO_CHECKSUM_OFF, vdev_probe_done, vps, + ZIO_PRIORITY_SYNC_READ, vps->vps_flags, B_TRUE)); + } + + if (zio == NULL) + return (pio); + + zio_nowait(pio); + return (NULL); +} + +static void +vdev_open_child(void *arg) +{ + vdev_t *vd = arg; + + vd->vdev_open_thread = curthread; + vd->vdev_open_error = vdev_open(vd); + vd->vdev_open_thread = NULL; + vd->vdev_parent->vdev_nonrot &= vd->vdev_nonrot; +} + +static boolean_t +vdev_uses_zvols(vdev_t *vd) +{ + int c; + +#ifdef _KERNEL + if (zvol_is_zvol(vd->vdev_path)) + return (B_TRUE); +#endif + + for (c = 0; c < vd->vdev_children; c++) + if (vdev_uses_zvols(vd->vdev_child[c])) + return (B_TRUE); + + return (B_FALSE); +} + +void +vdev_open_children(vdev_t *vd) +{ + taskq_t *tq; + int children = vd->vdev_children; + int c; + + vd->vdev_nonrot = B_TRUE; + + /* + * in order to handle pools on top of zvols, do the opens + * in a single thread so that the same thread holds the + * spa_namespace_lock + */ + if (vdev_uses_zvols(vd)) { + for (c = 0; c < children; c++) { + vd->vdev_child[c]->vdev_open_error = + vdev_open(vd->vdev_child[c]); + vd->vdev_nonrot &= vd->vdev_child[c]->vdev_nonrot; + } + return; + } + tq = taskq_create("vdev_open", children, minclsyspri, + children, children, TASKQ_PREPOPULATE); + + for (c = 0; c < children; c++) + VERIFY(taskq_dispatch(tq, vdev_open_child, vd->vdev_child[c], + TQ_SLEEP) != 0); + + taskq_destroy(tq); + + for (c = 0; c < children; c++) + vd->vdev_nonrot &= vd->vdev_child[c]->vdev_nonrot; +} + +/* + * Prepare a virtual device for access. + */ +int +vdev_open(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + int error; + uint64_t osize = 0; + uint64_t max_osize = 0; + uint64_t asize, max_asize, psize; + uint64_t ashift = 0; + int c; + + ASSERT(vd->vdev_open_thread == curthread || + spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL); + ASSERT(vd->vdev_state == VDEV_STATE_CLOSED || + vd->vdev_state == VDEV_STATE_CANT_OPEN || + vd->vdev_state == VDEV_STATE_OFFLINE); + + vd->vdev_stat.vs_aux = VDEV_AUX_NONE; + vd->vdev_cant_read = B_FALSE; + vd->vdev_cant_write = B_FALSE; + vd->vdev_min_asize = vdev_get_min_asize(vd); + + /* + * If this vdev is not removed, check its fault status. If it's + * faulted, bail out of the open. + */ + if (!vd->vdev_removed && vd->vdev_faulted) { + ASSERT(vd->vdev_children == 0); + ASSERT(vd->vdev_label_aux == VDEV_AUX_ERR_EXCEEDED || + vd->vdev_label_aux == VDEV_AUX_EXTERNAL); + vdev_set_state(vd, B_TRUE, VDEV_STATE_FAULTED, + vd->vdev_label_aux); + return (SET_ERROR(ENXIO)); + } else if (vd->vdev_offline) { + ASSERT(vd->vdev_children == 0); + vdev_set_state(vd, B_TRUE, VDEV_STATE_OFFLINE, VDEV_AUX_NONE); + return (SET_ERROR(ENXIO)); + } + + error = vd->vdev_ops->vdev_op_open(vd, &osize, &max_osize, &ashift); + + /* + * Reset the vdev_reopening flag so that we actually close + * the vdev on error. + */ + vd->vdev_reopening = B_FALSE; + if (zio_injection_enabled && error == 0) + error = zio_handle_device_injection(vd, NULL, ENXIO); + + if (error) { + if (vd->vdev_removed && + vd->vdev_stat.vs_aux != VDEV_AUX_OPEN_FAILED) + vd->vdev_removed = B_FALSE; + + vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, + vd->vdev_stat.vs_aux); + return (error); + } + + vd->vdev_removed = B_FALSE; + + /* + * Recheck the faulted flag now that we have confirmed that + * the vdev is accessible. If we're faulted, bail. + */ + if (vd->vdev_faulted) { + ASSERT(vd->vdev_children == 0); + ASSERT(vd->vdev_label_aux == VDEV_AUX_ERR_EXCEEDED || + vd->vdev_label_aux == VDEV_AUX_EXTERNAL); + vdev_set_state(vd, B_TRUE, VDEV_STATE_FAULTED, + vd->vdev_label_aux); + return (SET_ERROR(ENXIO)); + } + + if (vd->vdev_degraded) { + ASSERT(vd->vdev_children == 0); + vdev_set_state(vd, B_TRUE, VDEV_STATE_DEGRADED, + VDEV_AUX_ERR_EXCEEDED); + } else { + vdev_set_state(vd, B_TRUE, VDEV_STATE_HEALTHY, 0); + } + + /* + * For hole or missing vdevs we just return success. + */ + if (vd->vdev_ishole || vd->vdev_ops == &vdev_missing_ops) + return (0); + + for (c = 0; c < vd->vdev_children; c++) { + if (vd->vdev_child[c]->vdev_state != VDEV_STATE_HEALTHY) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_DEGRADED, + VDEV_AUX_NONE); + break; + } + } + + osize = P2ALIGN(osize, (uint64_t)sizeof (vdev_label_t)); + max_osize = P2ALIGN(max_osize, (uint64_t)sizeof (vdev_label_t)); + + if (vd->vdev_children == 0) { + if (osize < SPA_MINDEVSIZE) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_TOO_SMALL); + return (SET_ERROR(EOVERFLOW)); + } + psize = osize; + asize = osize - (VDEV_LABEL_START_SIZE + VDEV_LABEL_END_SIZE); + max_asize = max_osize - (VDEV_LABEL_START_SIZE + + VDEV_LABEL_END_SIZE); + } else { + if (vd->vdev_parent != NULL && osize < SPA_MINDEVSIZE - + (VDEV_LABEL_START_SIZE + VDEV_LABEL_END_SIZE)) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_TOO_SMALL); + return (SET_ERROR(EOVERFLOW)); + } + psize = 0; + asize = osize; + max_asize = max_osize; + } + + vd->vdev_psize = psize; + + /* + * Make sure the allocatable size hasn't shrunk. + */ + if (asize < vd->vdev_min_asize) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_BAD_LABEL); + return (SET_ERROR(EINVAL)); + } + + if (vd->vdev_asize == 0) { + /* + * This is the first-ever open, so use the computed values. + * For compatibility, a different ashift can be requested. + */ + vd->vdev_asize = asize; + vd->vdev_max_asize = max_asize; + if (vd->vdev_ashift == 0) + vd->vdev_ashift = ashift; + } else { + /* + * Detect if the alignment requirement has increased. + * We don't want to make the pool unavailable, just + * post an event instead. + */ + if (ashift > vd->vdev_top->vdev_ashift && + vd->vdev_ops->vdev_op_leaf) { + zfs_ereport_post(FM_EREPORT_ZFS_DEVICE_BAD_ASHIFT, + spa, vd, NULL, 0, 0); + } + + vd->vdev_max_asize = max_asize; + } + + /* + * If all children are healthy and the asize has increased, + * then we've experienced dynamic LUN growth. If automatic + * expansion is enabled then use the additional space. + */ + if (vd->vdev_state == VDEV_STATE_HEALTHY && asize > vd->vdev_asize && + (vd->vdev_expanding || spa->spa_autoexpand)) + vd->vdev_asize = asize; + + vdev_set_min_asize(vd); + + /* + * Ensure we can issue some IO before declaring the + * vdev open for business. + */ + if (vd->vdev_ops->vdev_op_leaf && + (error = zio_wait(vdev_probe(vd, NULL))) != 0) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_FAULTED, + VDEV_AUX_ERR_EXCEEDED); + return (error); + } + + /* + * Track the min and max ashift values for normal data devices. + */ + if (vd->vdev_top == vd && vd->vdev_ashift != 0 && + !vd->vdev_islog && vd->vdev_aux == NULL) { + if (vd->vdev_ashift > spa->spa_max_ashift) + spa->spa_max_ashift = vd->vdev_ashift; + if (vd->vdev_ashift < spa->spa_min_ashift) + spa->spa_min_ashift = vd->vdev_ashift; + } + + /* + * If a leaf vdev has a DTL, and seems healthy, then kick off a + * resilver. But don't do this if we are doing a reopen for a scrub, + * since this would just restart the scrub we are already doing. + */ + if (vd->vdev_ops->vdev_op_leaf && !spa->spa_scrub_reopen && + vdev_resilver_needed(vd, NULL, NULL)) + spa_async_request(spa, SPA_ASYNC_RESILVER); + + return (0); +} + +/* + * Called once the vdevs are all opened, this routine validates the label + * contents. This needs to be done before vdev_load() so that we don't + * inadvertently do repair I/Os to the wrong device. + * + * If 'strict' is false ignore the spa guid check. This is necessary because + * if the machine crashed during a re-guid the new guid might have been written + * to all of the vdev labels, but not the cached config. The strict check + * will be performed when the pool is opened again using the mos config. + * + * This function will only return failure if one of the vdevs indicates that it + * has since been destroyed or exported. This is only possible if + * /etc/zfs/zpool.cache was readonly at the time. Otherwise, the vdev state + * will be updated but the function will return 0. + */ +int +vdev_validate(vdev_t *vd, boolean_t strict) +{ + spa_t *spa = vd->vdev_spa; + nvlist_t *label; + uint64_t guid = 0, top_guid; + uint64_t state; + int c; + + for (c = 0; c < vd->vdev_children; c++) + if (vdev_validate(vd->vdev_child[c], strict) != 0) + return (SET_ERROR(EBADF)); + + /* + * If the device has already failed, or was marked offline, don't do + * any further validation. Otherwise, label I/O will fail and we will + * overwrite the previous state. + */ + if (vd->vdev_ops->vdev_op_leaf && vdev_readable(vd)) { + uint64_t aux_guid = 0; + nvlist_t *nvl; + uint64_t txg = spa_last_synced_txg(spa) != 0 ? + spa_last_synced_txg(spa) : -1ULL; + + if ((label = vdev_label_read_config(vd, txg)) == NULL) { + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_BAD_LABEL); + return (0); + } + + /* + * Determine if this vdev has been split off into another + * pool. If so, then refuse to open it. + */ + if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_SPLIT_GUID, + &aux_guid) == 0 && aux_guid == spa_guid(spa)) { + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_SPLIT_POOL); + nvlist_free(label); + return (0); + } + + if (strict && (nvlist_lookup_uint64(label, + ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || + guid != spa_guid(spa))) { + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); + nvlist_free(label); + return (0); + } + + if (nvlist_lookup_nvlist(label, ZPOOL_CONFIG_VDEV_TREE, &nvl) + != 0 || nvlist_lookup_uint64(nvl, ZPOOL_CONFIG_ORIG_GUID, + &aux_guid) != 0) + aux_guid = 0; + + /* + * If this vdev just became a top-level vdev because its + * sibling was detached, it will have adopted the parent's + * vdev guid -- but the label may or may not be on disk yet. + * Fortunately, either version of the label will have the + * same top guid, so if we're a top-level vdev, we can + * safely compare to that instead. + * + * If we split this vdev off instead, then we also check the + * original pool's guid. We don't want to consider the vdev + * corrupt if it is partway through a split operation. + */ + if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_GUID, + &guid) != 0 || + nvlist_lookup_uint64(label, ZPOOL_CONFIG_TOP_GUID, + &top_guid) != 0 || + ((vd->vdev_guid != guid && vd->vdev_guid != aux_guid) && + (vd->vdev_guid != top_guid || vd != vd->vdev_top))) { + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); + nvlist_free(label); + return (0); + } + + if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_STATE, + &state) != 0) { + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); + nvlist_free(label); + return (0); + } + + nvlist_free(label); + + /* + * If this is a verbatim import, no need to check the + * state of the pool. + */ + if (!(spa->spa_import_flags & ZFS_IMPORT_VERBATIM) && + spa_load_state(spa) == SPA_LOAD_OPEN && + state != POOL_STATE_ACTIVE) + return (SET_ERROR(EBADF)); + + /* + * If we were able to open and validate a vdev that was + * previously marked permanently unavailable, clear that state + * now. + */ + if (vd->vdev_not_present) + vd->vdev_not_present = 0; + } + + return (0); +} + +/* + * Close a virtual device. + */ +void +vdev_close(vdev_t *vd) +{ + vdev_t *pvd = vd->vdev_parent; + ASSERTV(spa_t *spa = vd->vdev_spa); + + ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL); + + /* + * If our parent is reopening, then we are as well, unless we are + * going offline. + */ + if (pvd != NULL && pvd->vdev_reopening) + vd->vdev_reopening = (pvd->vdev_reopening && !vd->vdev_offline); + + vd->vdev_ops->vdev_op_close(vd); + + vdev_cache_purge(vd); + + /* + * We record the previous state before we close it, so that if we are + * doing a reopen(), we don't generate FMA ereports if we notice that + * it's still faulted. + */ + vd->vdev_prevstate = vd->vdev_state; + + if (vd->vdev_offline) + vd->vdev_state = VDEV_STATE_OFFLINE; + else + vd->vdev_state = VDEV_STATE_CLOSED; + vd->vdev_stat.vs_aux = VDEV_AUX_NONE; +} + +void +vdev_hold(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + int c; + + ASSERT(spa_is_root(spa)); + if (spa->spa_state == POOL_STATE_UNINITIALIZED) + return; + + for (c = 0; c < vd->vdev_children; c++) + vdev_hold(vd->vdev_child[c]); + + if (vd->vdev_ops->vdev_op_leaf) + vd->vdev_ops->vdev_op_hold(vd); +} + +void +vdev_rele(vdev_t *vd) +{ + int c; + + ASSERT(spa_is_root(vd->vdev_spa)); + for (c = 0; c < vd->vdev_children; c++) + vdev_rele(vd->vdev_child[c]); + + if (vd->vdev_ops->vdev_op_leaf) + vd->vdev_ops->vdev_op_rele(vd); +} + +/* + * Reopen all interior vdevs and any unopened leaves. We don't actually + * reopen leaf vdevs which had previously been opened as they might deadlock + * on the spa_config_lock. Instead we only obtain the leaf's physical size. + * If the leaf has never been opened then open it, as usual. + */ +void +vdev_reopen(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + + ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL); + + /* set the reopening flag unless we're taking the vdev offline */ + vd->vdev_reopening = !vd->vdev_offline; + vdev_close(vd); + (void) vdev_open(vd); + + /* + * Call vdev_validate() here to make sure we have the same device. + * Otherwise, a device with an invalid label could be successfully + * opened in response to vdev_reopen(). + */ + if (vd->vdev_aux) { + (void) vdev_validate_aux(vd); + if (vdev_readable(vd) && vdev_writeable(vd) && + vd->vdev_aux == &spa->spa_l2cache && + !l2arc_vdev_present(vd)) + l2arc_add_vdev(spa, vd); + } else { + (void) vdev_validate(vd, B_TRUE); + } + + /* + * Reassess parent vdev's health. + */ + vdev_propagate_state(vd); +} + +int +vdev_create(vdev_t *vd, uint64_t txg, boolean_t isreplacing) +{ + int error; + + /* + * Normally, partial opens (e.g. of a mirror) are allowed. + * For a create, however, we want to fail the request if + * there are any components we can't open. + */ + error = vdev_open(vd); + + if (error || vd->vdev_state != VDEV_STATE_HEALTHY) { + vdev_close(vd); + return (error ? error : ENXIO); + } + + /* + * Recursively load DTLs and initialize all labels. + */ + if ((error = vdev_dtl_load(vd)) != 0 || + (error = vdev_label_init(vd, txg, isreplacing ? + VDEV_LABEL_REPLACE : VDEV_LABEL_CREATE)) != 0) { + vdev_close(vd); + return (error); + } + + return (0); +} + +void +vdev_metaslab_set_size(vdev_t *vd) +{ + /* + * Aim for roughly metaslabs_per_vdev (default 200) metaslabs per vdev. + */ + vd->vdev_ms_shift = highbit64(vd->vdev_asize / metaslabs_per_vdev); + vd->vdev_ms_shift = MAX(vd->vdev_ms_shift, SPA_MAXBLOCKSHIFT); +} + +void +vdev_dirty(vdev_t *vd, int flags, void *arg, uint64_t txg) +{ + ASSERT(vd == vd->vdev_top); + ASSERT(!vd->vdev_ishole); + ASSERT(ISP2(flags)); + ASSERT(spa_writeable(vd->vdev_spa)); + + if (flags & VDD_METASLAB) + (void) txg_list_add(&vd->vdev_ms_list, arg, txg); + + if (flags & VDD_DTL) + (void) txg_list_add(&vd->vdev_dtl_list, arg, txg); + + (void) txg_list_add(&vd->vdev_spa->spa_vdev_txg_list, vd, txg); +} + +void +vdev_dirty_leaves(vdev_t *vd, int flags, uint64_t txg) +{ + int c; + + for (c = 0; c < vd->vdev_children; c++) + vdev_dirty_leaves(vd->vdev_child[c], flags, txg); + + if (vd->vdev_ops->vdev_op_leaf) + vdev_dirty(vd->vdev_top, flags, vd, txg); +} + +/* + * DTLs. + * + * A vdev's DTL (dirty time log) is the set of transaction groups for which + * the vdev has less than perfect replication. There are four kinds of DTL: + * + * DTL_MISSING: txgs for which the vdev has no valid copies of the data + * + * DTL_PARTIAL: txgs for which data is available, but not fully replicated + * + * DTL_SCRUB: the txgs that could not be repaired by the last scrub; upon + * scrub completion, DTL_SCRUB replaces DTL_MISSING in the range of + * txgs that was scrubbed. + * + * DTL_OUTAGE: txgs which cannot currently be read, whether due to + * persistent errors or just some device being offline. + * Unlike the other three, the DTL_OUTAGE map is not generally + * maintained; it's only computed when needed, typically to + * determine whether a device can be detached. + * + * For leaf vdevs, DTL_MISSING and DTL_PARTIAL are identical: the device + * either has the data or it doesn't. + * + * For interior vdevs such as mirror and RAID-Z the picture is more complex. + * A vdev's DTL_PARTIAL is the union of its children's DTL_PARTIALs, because + * if any child is less than fully replicated, then so is its parent. + * A vdev's DTL_MISSING is a modified union of its children's DTL_MISSINGs, + * comprising only those txgs which appear in 'maxfaults' or more children; + * those are the txgs we don't have enough replication to read. For example, + * double-parity RAID-Z can tolerate up to two missing devices (maxfaults == 2); + * thus, its DTL_MISSING consists of the set of txgs that appear in more than + * two child DTL_MISSING maps. + * + * It should be clear from the above that to compute the DTLs and outage maps + * for all vdevs, it suffices to know just the leaf vdevs' DTL_MISSING maps. + * Therefore, that is all we keep on disk. When loading the pool, or after + * a configuration change, we generate all other DTLs from first principles. + */ +void +vdev_dtl_dirty(vdev_t *vd, vdev_dtl_type_t t, uint64_t txg, uint64_t size) +{ + range_tree_t *rt = vd->vdev_dtl[t]; + + ASSERT(t < DTL_TYPES); + ASSERT(vd != vd->vdev_spa->spa_root_vdev); + ASSERT(spa_writeable(vd->vdev_spa)); + + mutex_enter(rt->rt_lock); + if (!range_tree_contains(rt, txg, size)) + range_tree_add(rt, txg, size); + mutex_exit(rt->rt_lock); +} + +boolean_t +vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t t, uint64_t txg, uint64_t size) +{ + range_tree_t *rt = vd->vdev_dtl[t]; + boolean_t dirty = B_FALSE; + + ASSERT(t < DTL_TYPES); + ASSERT(vd != vd->vdev_spa->spa_root_vdev); + + mutex_enter(rt->rt_lock); + if (range_tree_space(rt) != 0) + dirty = range_tree_contains(rt, txg, size); + mutex_exit(rt->rt_lock); + + return (dirty); +} + +boolean_t +vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t t) +{ + range_tree_t *rt = vd->vdev_dtl[t]; + boolean_t empty; + + mutex_enter(rt->rt_lock); + empty = (range_tree_space(rt) == 0); + mutex_exit(rt->rt_lock); + + return (empty); +} + +/* + * Returns the lowest txg in the DTL range. + */ +static uint64_t +vdev_dtl_min(vdev_t *vd) +{ + range_seg_t *rs; + + ASSERT(MUTEX_HELD(&vd->vdev_dtl_lock)); + ASSERT3U(range_tree_space(vd->vdev_dtl[DTL_MISSING]), !=, 0); + ASSERT0(vd->vdev_children); + + rs = avl_first(&vd->vdev_dtl[DTL_MISSING]->rt_root); + return (rs->rs_start - 1); +} + +/* + * Returns the highest txg in the DTL. + */ +static uint64_t +vdev_dtl_max(vdev_t *vd) +{ + range_seg_t *rs; + + ASSERT(MUTEX_HELD(&vd->vdev_dtl_lock)); + ASSERT3U(range_tree_space(vd->vdev_dtl[DTL_MISSING]), !=, 0); + ASSERT0(vd->vdev_children); + + rs = avl_last(&vd->vdev_dtl[DTL_MISSING]->rt_root); + return (rs->rs_end); +} + +/* + * Determine if a resilvering vdev should remove any DTL entries from + * its range. If the vdev was resilvering for the entire duration of the + * scan then it should excise that range from its DTLs. Otherwise, this + * vdev is considered partially resilvered and should leave its DTL + * entries intact. The comment in vdev_dtl_reassess() describes how we + * excise the DTLs. + */ +static boolean_t +vdev_dtl_should_excise(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + dsl_scan_t *scn = spa->spa_dsl_pool->dp_scan; + + ASSERT0(scn->scn_phys.scn_errors); + ASSERT0(vd->vdev_children); + + if (vd->vdev_resilver_txg == 0 || + range_tree_space(vd->vdev_dtl[DTL_MISSING]) == 0) + return (B_TRUE); + + /* + * When a resilver is initiated the scan will assign the scn_max_txg + * value to the highest txg value that exists in all DTLs. If this + * device's max DTL is not part of this scan (i.e. it is not in + * the range (scn_min_txg, scn_max_txg] then it is not eligible + * for excision. + */ + if (vdev_dtl_max(vd) <= scn->scn_phys.scn_max_txg) { + ASSERT3U(scn->scn_phys.scn_min_txg, <=, vdev_dtl_min(vd)); + ASSERT3U(scn->scn_phys.scn_min_txg, <, vd->vdev_resilver_txg); + ASSERT3U(vd->vdev_resilver_txg, <=, scn->scn_phys.scn_max_txg); + return (B_TRUE); + } + return (B_FALSE); +} + +/* + * Reassess DTLs after a config change or scrub completion. + */ +void +vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, int scrub_done) +{ + spa_t *spa = vd->vdev_spa; + avl_tree_t reftree; + int c, t, minref; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); + + for (c = 0; c < vd->vdev_children; c++) + vdev_dtl_reassess(vd->vdev_child[c], txg, + scrub_txg, scrub_done); + + if (vd == spa->spa_root_vdev || vd->vdev_ishole || vd->vdev_aux) + return; + + if (vd->vdev_ops->vdev_op_leaf) { + dsl_scan_t *scn = spa->spa_dsl_pool->dp_scan; + + mutex_enter(&vd->vdev_dtl_lock); + + /* + * If we've completed a scan cleanly then determine + * if this vdev should remove any DTLs. We only want to + * excise regions on vdevs that were available during + * the entire duration of this scan. + */ + if (scrub_txg != 0 && + (spa->spa_scrub_started || + (scn != NULL && scn->scn_phys.scn_errors == 0)) && + vdev_dtl_should_excise(vd)) { + /* + * We completed a scrub up to scrub_txg. If we + * did it without rebooting, then the scrub dtl + * will be valid, so excise the old region and + * fold in the scrub dtl. Otherwise, leave the + * dtl as-is if there was an error. + * + * There's little trick here: to excise the beginning + * of the DTL_MISSING map, we put it into a reference + * tree and then add a segment with refcnt -1 that + * covers the range [0, scrub_txg). This means + * that each txg in that range has refcnt -1 or 0. + * We then add DTL_SCRUB with a refcnt of 2, so that + * entries in the range [0, scrub_txg) will have a + * positive refcnt -- either 1 or 2. We then convert + * the reference tree into the new DTL_MISSING map. + */ + space_reftree_create(&reftree); + space_reftree_add_map(&reftree, + vd->vdev_dtl[DTL_MISSING], 1); + space_reftree_add_seg(&reftree, 0, scrub_txg, -1); + space_reftree_add_map(&reftree, + vd->vdev_dtl[DTL_SCRUB], 2); + space_reftree_generate_map(&reftree, + vd->vdev_dtl[DTL_MISSING], 1); + space_reftree_destroy(&reftree); + } + range_tree_vacate(vd->vdev_dtl[DTL_PARTIAL], NULL, NULL); + range_tree_walk(vd->vdev_dtl[DTL_MISSING], + range_tree_add, vd->vdev_dtl[DTL_PARTIAL]); + if (scrub_done) + range_tree_vacate(vd->vdev_dtl[DTL_SCRUB], NULL, NULL); + range_tree_vacate(vd->vdev_dtl[DTL_OUTAGE], NULL, NULL); + if (!vdev_readable(vd)) + range_tree_add(vd->vdev_dtl[DTL_OUTAGE], 0, -1ULL); + else + range_tree_walk(vd->vdev_dtl[DTL_MISSING], + range_tree_add, vd->vdev_dtl[DTL_OUTAGE]); + + /* + * If the vdev was resilvering and no longer has any + * DTLs then reset its resilvering flag and dirty + * the top level so that we persist the change. + */ + if (vd->vdev_resilver_txg != 0 && + range_tree_space(vd->vdev_dtl[DTL_MISSING]) == 0 && + range_tree_space(vd->vdev_dtl[DTL_OUTAGE]) == 0) { + vd->vdev_resilver_txg = 0; + vdev_config_dirty(vd->vdev_top); + } + + mutex_exit(&vd->vdev_dtl_lock); + + if (txg != 0) + vdev_dirty(vd->vdev_top, VDD_DTL, vd, txg); + return; + } + + mutex_enter(&vd->vdev_dtl_lock); + for (t = 0; t < DTL_TYPES; t++) { + int c; + + /* account for child's outage in parent's missing map */ + int s = (t == DTL_MISSING) ? DTL_OUTAGE: t; + if (t == DTL_SCRUB) + continue; /* leaf vdevs only */ + if (t == DTL_PARTIAL) + minref = 1; /* i.e. non-zero */ + else if (vd->vdev_nparity != 0) + minref = vd->vdev_nparity + 1; /* RAID-Z */ + else + minref = vd->vdev_children; /* any kind of mirror */ + space_reftree_create(&reftree); + for (c = 0; c < vd->vdev_children; c++) { + vdev_t *cvd = vd->vdev_child[c]; + mutex_enter(&cvd->vdev_dtl_lock); + space_reftree_add_map(&reftree, cvd->vdev_dtl[s], 1); + mutex_exit(&cvd->vdev_dtl_lock); + } + space_reftree_generate_map(&reftree, vd->vdev_dtl[t], minref); + space_reftree_destroy(&reftree); + } + mutex_exit(&vd->vdev_dtl_lock); +} + +int +vdev_dtl_load(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + objset_t *mos = spa->spa_meta_objset; + int error = 0; + int c; + + if (vd->vdev_ops->vdev_op_leaf && vd->vdev_dtl_object != 0) { + ASSERT(!vd->vdev_ishole); + + error = space_map_open(&vd->vdev_dtl_sm, mos, + vd->vdev_dtl_object, 0, -1ULL, 0, &vd->vdev_dtl_lock); + if (error) + return (error); + ASSERT(vd->vdev_dtl_sm != NULL); + + mutex_enter(&vd->vdev_dtl_lock); + + /* + * Now that we've opened the space_map we need to update + * the in-core DTL. + */ + space_map_update(vd->vdev_dtl_sm); + + error = space_map_load(vd->vdev_dtl_sm, + vd->vdev_dtl[DTL_MISSING], SM_ALLOC); + mutex_exit(&vd->vdev_dtl_lock); + + return (error); + } + + for (c = 0; c < vd->vdev_children; c++) { + error = vdev_dtl_load(vd->vdev_child[c]); + if (error != 0) + break; + } + + return (error); +} + +void +vdev_dtl_sync(vdev_t *vd, uint64_t txg) +{ + spa_t *spa = vd->vdev_spa; + range_tree_t *rt = vd->vdev_dtl[DTL_MISSING]; + objset_t *mos = spa->spa_meta_objset; + range_tree_t *rtsync; + kmutex_t rtlock; + dmu_tx_t *tx; + uint64_t object = space_map_object(vd->vdev_dtl_sm); + + ASSERT(!vd->vdev_ishole); + ASSERT(vd->vdev_ops->vdev_op_leaf); + + tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); + + if (vd->vdev_detached || vd->vdev_top->vdev_removing) { + mutex_enter(&vd->vdev_dtl_lock); + space_map_free(vd->vdev_dtl_sm, tx); + space_map_close(vd->vdev_dtl_sm); + vd->vdev_dtl_sm = NULL; + mutex_exit(&vd->vdev_dtl_lock); + dmu_tx_commit(tx); + return; + } + + if (vd->vdev_dtl_sm == NULL) { + uint64_t new_object; + + new_object = space_map_alloc(mos, tx); + VERIFY3U(new_object, !=, 0); + + VERIFY0(space_map_open(&vd->vdev_dtl_sm, mos, new_object, + 0, -1ULL, 0, &vd->vdev_dtl_lock)); + ASSERT(vd->vdev_dtl_sm != NULL); + } + + mutex_init(&rtlock, NULL, MUTEX_DEFAULT, NULL); + + rtsync = range_tree_create(NULL, NULL, &rtlock); + + mutex_enter(&rtlock); + + mutex_enter(&vd->vdev_dtl_lock); + range_tree_walk(rt, range_tree_add, rtsync); + mutex_exit(&vd->vdev_dtl_lock); + + space_map_truncate(vd->vdev_dtl_sm, tx); + space_map_write(vd->vdev_dtl_sm, rtsync, SM_ALLOC, tx); + range_tree_vacate(rtsync, NULL, NULL); + + range_tree_destroy(rtsync); + + mutex_exit(&rtlock); + mutex_destroy(&rtlock); + + /* + * If the object for the space map has changed then dirty + * the top level so that we update the config. + */ + if (object != space_map_object(vd->vdev_dtl_sm)) { + zfs_dbgmsg("txg %llu, spa %s, DTL old object %llu, " + "new object %llu", txg, spa_name(spa), object, + space_map_object(vd->vdev_dtl_sm)); + vdev_config_dirty(vd->vdev_top); + } + + dmu_tx_commit(tx); + + mutex_enter(&vd->vdev_dtl_lock); + space_map_update(vd->vdev_dtl_sm); + mutex_exit(&vd->vdev_dtl_lock); +} + +/* + * Determine whether the specified vdev can be offlined/detached/removed + * without losing data. + */ +boolean_t +vdev_dtl_required(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + vdev_t *tvd = vd->vdev_top; + uint8_t cant_read = vd->vdev_cant_read; + boolean_t required; + + ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL); + + if (vd == spa->spa_root_vdev || vd == tvd) + return (B_TRUE); + + /* + * Temporarily mark the device as unreadable, and then determine + * whether this results in any DTL outages in the top-level vdev. + * If not, we can safely offline/detach/remove the device. + */ + vd->vdev_cant_read = B_TRUE; + vdev_dtl_reassess(tvd, 0, 0, B_FALSE); + required = !vdev_dtl_empty(tvd, DTL_OUTAGE); + vd->vdev_cant_read = cant_read; + vdev_dtl_reassess(tvd, 0, 0, B_FALSE); + + if (!required && zio_injection_enabled) + required = !!zio_handle_device_injection(vd, NULL, ECHILD); + + return (required); +} + +/* + * Determine if resilver is needed, and if so the txg range. + */ +boolean_t +vdev_resilver_needed(vdev_t *vd, uint64_t *minp, uint64_t *maxp) +{ + boolean_t needed = B_FALSE; + uint64_t thismin = UINT64_MAX; + uint64_t thismax = 0; + int c; + + if (vd->vdev_children == 0) { + mutex_enter(&vd->vdev_dtl_lock); + if (range_tree_space(vd->vdev_dtl[DTL_MISSING]) != 0 && + vdev_writeable(vd)) { + + thismin = vdev_dtl_min(vd); + thismax = vdev_dtl_max(vd); + needed = B_TRUE; + } + mutex_exit(&vd->vdev_dtl_lock); + } else { + for (c = 0; c < vd->vdev_children; c++) { + vdev_t *cvd = vd->vdev_child[c]; + uint64_t cmin, cmax; + + if (vdev_resilver_needed(cvd, &cmin, &cmax)) { + thismin = MIN(thismin, cmin); + thismax = MAX(thismax, cmax); + needed = B_TRUE; + } + } + } + + if (needed && minp) { + *minp = thismin; + *maxp = thismax; + } + return (needed); +} + +void +vdev_load(vdev_t *vd) +{ + int c; + + /* + * Recursively load all children. + */ + for (c = 0; c < vd->vdev_children; c++) + vdev_load(vd->vdev_child[c]); + + /* + * If this is a top-level vdev, initialize its metaslabs. + */ + if (vd == vd->vdev_top && !vd->vdev_ishole && + (vd->vdev_ashift == 0 || vd->vdev_asize == 0 || + vdev_metaslab_init(vd, 0) != 0)) + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); + + /* + * If this is a leaf vdev, load its DTL. + */ + if (vd->vdev_ops->vdev_op_leaf && vdev_dtl_load(vd) != 0) + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); +} + +/* + * The special vdev case is used for hot spares and l2cache devices. Its + * sole purpose it to set the vdev state for the associated vdev. To do this, + * we make sure that we can open the underlying device, then try to read the + * label, and make sure that the label is sane and that it hasn't been + * repurposed to another pool. + */ +int +vdev_validate_aux(vdev_t *vd) +{ + nvlist_t *label; + uint64_t guid, version; + uint64_t state; + + if (!vdev_readable(vd)) + return (0); + + if ((label = vdev_label_read_config(vd, -1ULL)) == NULL) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); + return (-1); + } + + if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_VERSION, &version) != 0 || + !SPA_VERSION_IS_SUPPORTED(version) || + nvlist_lookup_uint64(label, ZPOOL_CONFIG_GUID, &guid) != 0 || + guid != vd->vdev_guid || + nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_STATE, &state) != 0) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); + nvlist_free(label); + return (-1); + } + + /* + * We don't actually check the pool state here. If it's in fact in + * use by another pool, we update this fact on the fly when requested. + */ + nvlist_free(label); + return (0); +} + +void +vdev_remove(vdev_t *vd, uint64_t txg) +{ + spa_t *spa = vd->vdev_spa; + objset_t *mos = spa->spa_meta_objset; + dmu_tx_t *tx; + int m, i; + + tx = dmu_tx_create_assigned(spa_get_dsl(spa), txg); + + if (vd->vdev_ms != NULL) { + metaslab_group_t *mg = vd->vdev_mg; + + metaslab_group_histogram_verify(mg); + metaslab_class_histogram_verify(mg->mg_class); + + for (m = 0; m < vd->vdev_ms_count; m++) { + metaslab_t *msp = vd->vdev_ms[m]; + + if (msp == NULL || msp->ms_sm == NULL) + continue; + + mutex_enter(&msp->ms_lock); + /* + * If the metaslab was not loaded when the vdev + * was removed then the histogram accounting may + * not be accurate. Update the histogram information + * here so that we ensure that the metaslab group + * and metaslab class are up-to-date. + */ + metaslab_group_histogram_remove(mg, msp); + + VERIFY0(space_map_allocated(msp->ms_sm)); + space_map_free(msp->ms_sm, tx); + space_map_close(msp->ms_sm); + msp->ms_sm = NULL; + mutex_exit(&msp->ms_lock); + } + + metaslab_group_histogram_verify(mg); + metaslab_class_histogram_verify(mg->mg_class); + for (i = 0; i < RANGE_TREE_HISTOGRAM_SIZE; i++) + ASSERT0(mg->mg_histogram[i]); + + } + + if (vd->vdev_ms_array) { + (void) dmu_object_free(mos, vd->vdev_ms_array, tx); + vd->vdev_ms_array = 0; + } + dmu_tx_commit(tx); +} + +void +vdev_sync_done(vdev_t *vd, uint64_t txg) +{ + metaslab_t *msp; + boolean_t reassess = !txg_list_empty(&vd->vdev_ms_list, TXG_CLEAN(txg)); + + ASSERT(!vd->vdev_ishole); + + while ((msp = txg_list_remove(&vd->vdev_ms_list, TXG_CLEAN(txg)))) + metaslab_sync_done(msp, txg); + + if (reassess) + metaslab_sync_reassess(vd->vdev_mg); +} + +void +vdev_sync(vdev_t *vd, uint64_t txg) +{ + spa_t *spa = vd->vdev_spa; + vdev_t *lvd; + metaslab_t *msp; + dmu_tx_t *tx; + + ASSERT(!vd->vdev_ishole); + + if (vd->vdev_ms_array == 0 && vd->vdev_ms_shift != 0) { + ASSERT(vd == vd->vdev_top); + tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); + vd->vdev_ms_array = dmu_object_alloc(spa->spa_meta_objset, + DMU_OT_OBJECT_ARRAY, 0, DMU_OT_NONE, 0, tx); + ASSERT(vd->vdev_ms_array != 0); + vdev_config_dirty(vd); + dmu_tx_commit(tx); + } + + /* + * Remove the metadata associated with this vdev once it's empty. + */ + if (vd->vdev_stat.vs_alloc == 0 && vd->vdev_removing) + vdev_remove(vd, txg); + + while ((msp = txg_list_remove(&vd->vdev_ms_list, txg)) != NULL) { + metaslab_sync(msp, txg); + (void) txg_list_add(&vd->vdev_ms_list, msp, TXG_CLEAN(txg)); + } + + while ((lvd = txg_list_remove(&vd->vdev_dtl_list, txg)) != NULL) + vdev_dtl_sync(lvd, txg); + + (void) txg_list_add(&spa->spa_vdev_txg_list, vd, TXG_CLEAN(txg)); +} + +uint64_t +vdev_psize_to_asize(vdev_t *vd, uint64_t psize) +{ + return (vd->vdev_ops->vdev_op_asize(vd, psize)); +} + +/* + * Mark the given vdev faulted. A faulted vdev behaves as if the device could + * not be opened, and no I/O is attempted. + */ +int +vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux) +{ + vdev_t *vd, *tvd; + + spa_vdev_state_enter(spa, SCL_NONE); + + if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) + return (spa_vdev_state_exit(spa, NULL, ENODEV)); + + if (!vd->vdev_ops->vdev_op_leaf) + return (spa_vdev_state_exit(spa, NULL, ENOTSUP)); + + tvd = vd->vdev_top; + + /* + * We don't directly use the aux state here, but if we do a + * vdev_reopen(), we need this value to be present to remember why we + * were faulted. + */ + vd->vdev_label_aux = aux; + + /* + * Faulted state takes precedence over degraded. + */ + vd->vdev_delayed_close = B_FALSE; + vd->vdev_faulted = 1ULL; + vd->vdev_degraded = 0ULL; + vdev_set_state(vd, B_FALSE, VDEV_STATE_FAULTED, aux); + + /* + * If this device has the only valid copy of the data, then + * back off and simply mark the vdev as degraded instead. + */ + if (!tvd->vdev_islog && vd->vdev_aux == NULL && vdev_dtl_required(vd)) { + vd->vdev_degraded = 1ULL; + vd->vdev_faulted = 0ULL; + + /* + * If we reopen the device and it's not dead, only then do we + * mark it degraded. + */ + vdev_reopen(tvd); + + if (vdev_readable(vd)) + vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, aux); + } + + return (spa_vdev_state_exit(spa, vd, 0)); +} + +/* + * Mark the given vdev degraded. A degraded vdev is purely an indication to the + * user that something is wrong. The vdev continues to operate as normal as far + * as I/O is concerned. + */ +int +vdev_degrade(spa_t *spa, uint64_t guid, vdev_aux_t aux) +{ + vdev_t *vd; + + spa_vdev_state_enter(spa, SCL_NONE); + + if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) + return (spa_vdev_state_exit(spa, NULL, ENODEV)); + + if (!vd->vdev_ops->vdev_op_leaf) + return (spa_vdev_state_exit(spa, NULL, ENOTSUP)); + + /* + * If the vdev is already faulted, then don't do anything. + */ + if (vd->vdev_faulted || vd->vdev_degraded) + return (spa_vdev_state_exit(spa, NULL, 0)); + + vd->vdev_degraded = 1ULL; + if (!vdev_is_dead(vd)) + vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, + aux); + + return (spa_vdev_state_exit(spa, vd, 0)); +} + +/* + * Online the given vdev. + * + * If 'ZFS_ONLINE_UNSPARE' is set, it implies two things. First, any attached + * spare device should be detached when the device finishes resilvering. + * Second, the online should be treated like a 'test' online case, so no FMA + * events are generated if the device fails to open. + */ +int +vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate) +{ + vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev; + + spa_vdev_state_enter(spa, SCL_NONE); + + if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) + return (spa_vdev_state_exit(spa, NULL, ENODEV)); + + if (!vd->vdev_ops->vdev_op_leaf) + return (spa_vdev_state_exit(spa, NULL, ENOTSUP)); + + tvd = vd->vdev_top; + vd->vdev_offline = B_FALSE; + vd->vdev_tmpoffline = B_FALSE; + vd->vdev_checkremove = !!(flags & ZFS_ONLINE_CHECKREMOVE); + vd->vdev_forcefault = !!(flags & ZFS_ONLINE_FORCEFAULT); + + /* XXX - L2ARC 1.0 does not support expansion */ + if (!vd->vdev_aux) { + for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent) + pvd->vdev_expanding = !!(flags & ZFS_ONLINE_EXPAND); + } + + vdev_reopen(tvd); + vd->vdev_checkremove = vd->vdev_forcefault = B_FALSE; + + if (!vd->vdev_aux) { + for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent) + pvd->vdev_expanding = B_FALSE; + } + + if (newstate) + *newstate = vd->vdev_state; + if ((flags & ZFS_ONLINE_UNSPARE) && + !vdev_is_dead(vd) && vd->vdev_parent && + vd->vdev_parent->vdev_ops == &vdev_spare_ops && + vd->vdev_parent->vdev_child[0] == vd) + vd->vdev_unspare = B_TRUE; + + if ((flags & ZFS_ONLINE_EXPAND) || spa->spa_autoexpand) { + + /* XXX - L2ARC 1.0 does not support expansion */ + if (vd->vdev_aux) + return (spa_vdev_state_exit(spa, vd, ENOTSUP)); + spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); + } + return (spa_vdev_state_exit(spa, vd, 0)); +} + +static int +vdev_offline_locked(spa_t *spa, uint64_t guid, uint64_t flags) +{ + vdev_t *vd, *tvd; + int error = 0; + uint64_t generation; + metaslab_group_t *mg; + +top: + spa_vdev_state_enter(spa, SCL_ALLOC); + + if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) + return (spa_vdev_state_exit(spa, NULL, ENODEV)); + + if (!vd->vdev_ops->vdev_op_leaf) + return (spa_vdev_state_exit(spa, NULL, ENOTSUP)); + + tvd = vd->vdev_top; + mg = tvd->vdev_mg; + generation = spa->spa_config_generation + 1; + + /* + * If the device isn't already offline, try to offline it. + */ + if (!vd->vdev_offline) { + /* + * If this device has the only valid copy of some data, + * don't allow it to be offlined. Log devices are always + * expendable. + */ + if (!tvd->vdev_islog && vd->vdev_aux == NULL && + vdev_dtl_required(vd)) + return (spa_vdev_state_exit(spa, NULL, EBUSY)); + + /* + * If the top-level is a slog and it has had allocations + * then proceed. We check that the vdev's metaslab group + * is not NULL since it's possible that we may have just + * added this vdev but not yet initialized its metaslabs. + */ + if (tvd->vdev_islog && mg != NULL) { + /* + * Prevent any future allocations. + */ + metaslab_group_passivate(mg); + (void) spa_vdev_state_exit(spa, vd, 0); + + error = spa_offline_log(spa); + + spa_vdev_state_enter(spa, SCL_ALLOC); + + /* + * Check to see if the config has changed. + */ + if (error || generation != spa->spa_config_generation) { + metaslab_group_activate(mg); + if (error) + return (spa_vdev_state_exit(spa, + vd, error)); + (void) spa_vdev_state_exit(spa, vd, 0); + goto top; + } + ASSERT0(tvd->vdev_stat.vs_alloc); + } + + /* + * Offline this device and reopen its top-level vdev. + * If the top-level vdev is a log device then just offline + * it. Otherwise, if this action results in the top-level + * vdev becoming unusable, undo it and fail the request. + */ + vd->vdev_offline = B_TRUE; + vdev_reopen(tvd); + + if (!tvd->vdev_islog && vd->vdev_aux == NULL && + vdev_is_dead(tvd)) { + vd->vdev_offline = B_FALSE; + vdev_reopen(tvd); + return (spa_vdev_state_exit(spa, NULL, EBUSY)); + } + + /* + * Add the device back into the metaslab rotor so that + * once we online the device it's open for business. + */ + if (tvd->vdev_islog && mg != NULL) + metaslab_group_activate(mg); + } + + vd->vdev_tmpoffline = !!(flags & ZFS_OFFLINE_TEMPORARY); + + return (spa_vdev_state_exit(spa, vd, 0)); +} + +int +vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags) +{ + int error; + + mutex_enter(&spa->spa_vdev_top_lock); + error = vdev_offline_locked(spa, guid, flags); + mutex_exit(&spa->spa_vdev_top_lock); + + return (error); +} + +/* + * Clear the error counts associated with this vdev. Unlike vdev_online() and + * vdev_offline(), we assume the spa config is locked. We also clear all + * children. If 'vd' is NULL, then the user wants to clear all vdevs. + */ +void +vdev_clear(spa_t *spa, vdev_t *vd) +{ + vdev_t *rvd = spa->spa_root_vdev; + int c; + + ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL); + + if (vd == NULL) + vd = rvd; + + vd->vdev_stat.vs_read_errors = 0; + vd->vdev_stat.vs_write_errors = 0; + vd->vdev_stat.vs_checksum_errors = 0; + + for (c = 0; c < vd->vdev_children; c++) + vdev_clear(spa, vd->vdev_child[c]); + + /* + * If we're in the FAULTED state or have experienced failed I/O, then + * clear the persistent state and attempt to reopen the device. We + * also mark the vdev config dirty, so that the new faulted state is + * written out to disk. + */ + if (vd->vdev_faulted || vd->vdev_degraded || + !vdev_readable(vd) || !vdev_writeable(vd)) { + + /* + * When reopening in reponse to a clear event, it may be due to + * a fmadm repair request. In this case, if the device is + * still broken, we want to still post the ereport again. + */ + vd->vdev_forcefault = B_TRUE; + + vd->vdev_faulted = vd->vdev_degraded = 0ULL; + vd->vdev_cant_read = B_FALSE; + vd->vdev_cant_write = B_FALSE; + + vdev_reopen(vd == rvd ? rvd : vd->vdev_top); + + vd->vdev_forcefault = B_FALSE; + + if (vd != rvd && vdev_writeable(vd->vdev_top)) + vdev_state_dirty(vd->vdev_top); + + if (vd->vdev_aux == NULL && !vdev_is_dead(vd)) + spa_async_request(spa, SPA_ASYNC_RESILVER); + + spa_event_notify(spa, vd, FM_EREPORT_ZFS_DEVICE_CLEAR); + } + + /* + * When clearing a FMA-diagnosed fault, we always want to + * unspare the device, as we assume that the original spare was + * done in response to the FMA fault. + */ + if (!vdev_is_dead(vd) && vd->vdev_parent != NULL && + vd->vdev_parent->vdev_ops == &vdev_spare_ops && + vd->vdev_parent->vdev_child[0] == vd) + vd->vdev_unspare = B_TRUE; +} + +boolean_t +vdev_is_dead(vdev_t *vd) +{ + /* + * Holes and missing devices are always considered "dead". + * This simplifies the code since we don't have to check for + * these types of devices in the various code paths. + * Instead we rely on the fact that we skip over dead devices + * before issuing I/O to them. + */ + return (vd->vdev_state < VDEV_STATE_DEGRADED || vd->vdev_ishole || + vd->vdev_ops == &vdev_missing_ops); +} + +boolean_t +vdev_readable(vdev_t *vd) +{ + return (!vdev_is_dead(vd) && !vd->vdev_cant_read); +} + +boolean_t +vdev_writeable(vdev_t *vd) +{ + return (!vdev_is_dead(vd) && !vd->vdev_cant_write); +} + +boolean_t +vdev_allocatable(vdev_t *vd) +{ + uint64_t state = vd->vdev_state; + + /* + * We currently allow allocations from vdevs which may be in the + * process of reopening (i.e. VDEV_STATE_CLOSED). If the device + * fails to reopen then we'll catch it later when we're holding + * the proper locks. Note that we have to get the vdev state + * in a local variable because although it changes atomically, + * we're asking two separate questions about it. + */ + return (!(state < VDEV_STATE_DEGRADED && state != VDEV_STATE_CLOSED) && + !vd->vdev_cant_write && !vd->vdev_ishole); +} + +boolean_t +vdev_accessible(vdev_t *vd, zio_t *zio) +{ + ASSERT(zio->io_vd == vd); + + if (vdev_is_dead(vd) || vd->vdev_remove_wanted) + return (B_FALSE); + + if (zio->io_type == ZIO_TYPE_READ) + return (!vd->vdev_cant_read); + + if (zio->io_type == ZIO_TYPE_WRITE) + return (!vd->vdev_cant_write); + + return (B_TRUE); +} + +/* + * Get statistics for the given vdev. + */ +void +vdev_get_stats(vdev_t *vd, vdev_stat_t *vs) +{ + spa_t *spa = vd->vdev_spa; + vdev_t *rvd = spa->spa_root_vdev; + int c, t; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); + + mutex_enter(&vd->vdev_stat_lock); + bcopy(&vd->vdev_stat, vs, sizeof (*vs)); + vs->vs_timestamp = gethrtime() - vs->vs_timestamp; + vs->vs_state = vd->vdev_state; + vs->vs_rsize = vdev_get_min_asize(vd); + if (vd->vdev_ops->vdev_op_leaf) + vs->vs_rsize += VDEV_LABEL_START_SIZE + VDEV_LABEL_END_SIZE; + vs->vs_esize = vd->vdev_max_asize - vd->vdev_asize; + if (vd->vdev_aux == NULL && vd == vd->vdev_top && !vd->vdev_ishole) { + vs->vs_fragmentation = vd->vdev_mg->mg_fragmentation; + } + + /* + * If we're getting stats on the root vdev, aggregate the I/O counts + * over all top-level vdevs (i.e. the direct children of the root). + */ + if (vd == rvd) { + for (c = 0; c < rvd->vdev_children; c++) { + vdev_t *cvd = rvd->vdev_child[c]; + vdev_stat_t *cvs = &cvd->vdev_stat; + + for (t = 0; t < ZIO_TYPES; t++) { + vs->vs_ops[t] += cvs->vs_ops[t]; + vs->vs_bytes[t] += cvs->vs_bytes[t]; + } + cvs->vs_scan_removing = cvd->vdev_removing; + } + } + mutex_exit(&vd->vdev_stat_lock); +} + +void +vdev_clear_stats(vdev_t *vd) +{ + mutex_enter(&vd->vdev_stat_lock); + vd->vdev_stat.vs_space = 0; + vd->vdev_stat.vs_dspace = 0; + vd->vdev_stat.vs_alloc = 0; + mutex_exit(&vd->vdev_stat_lock); +} + +void +vdev_scan_stat_init(vdev_t *vd) +{ + vdev_stat_t *vs = &vd->vdev_stat; + int c; + + for (c = 0; c < vd->vdev_children; c++) + vdev_scan_stat_init(vd->vdev_child[c]); + + mutex_enter(&vd->vdev_stat_lock); + vs->vs_scan_processed = 0; + mutex_exit(&vd->vdev_stat_lock); +} + +void +vdev_stat_update(zio_t *zio, uint64_t psize) +{ + spa_t *spa = zio->io_spa; + vdev_t *rvd = spa->spa_root_vdev; + vdev_t *vd = zio->io_vd ? zio->io_vd : rvd; + vdev_t *pvd; + uint64_t txg = zio->io_txg; + vdev_stat_t *vs = &vd->vdev_stat; + zio_type_t type = zio->io_type; + int flags = zio->io_flags; + + /* + * If this i/o is a gang leader, it didn't do any actual work. + */ + if (zio->io_gang_tree) + return; + + if (zio->io_error == 0) { + /* + * If this is a root i/o, don't count it -- we've already + * counted the top-level vdevs, and vdev_get_stats() will + * aggregate them when asked. This reduces contention on + * the root vdev_stat_lock and implicitly handles blocks + * that compress away to holes, for which there is no i/o. + * (Holes never create vdev children, so all the counters + * remain zero, which is what we want.) + * + * Note: this only applies to successful i/o (io_error == 0) + * because unlike i/o counts, errors are not additive. + * When reading a ditto block, for example, failure of + * one top-level vdev does not imply a root-level error. + */ + if (vd == rvd) + return; + + ASSERT(vd == zio->io_vd); + + if (flags & ZIO_FLAG_IO_BYPASS) + return; + + mutex_enter(&vd->vdev_stat_lock); + + if (flags & ZIO_FLAG_IO_REPAIR) { + if (flags & ZIO_FLAG_SCAN_THREAD) { + dsl_scan_phys_t *scn_phys = + &spa->spa_dsl_pool->dp_scan->scn_phys; + uint64_t *processed = &scn_phys->scn_processed; + + /* XXX cleanup? */ + if (vd->vdev_ops->vdev_op_leaf) + atomic_add_64(processed, psize); + vs->vs_scan_processed += psize; + } + + if (flags & ZIO_FLAG_SELF_HEAL) + vs->vs_self_healed += psize; + } + + vs->vs_ops[type]++; + vs->vs_bytes[type] += psize; + + mutex_exit(&vd->vdev_stat_lock); + return; + } + + if (flags & ZIO_FLAG_SPECULATIVE) + return; + + /* + * If this is an I/O error that is going to be retried, then ignore the + * error. Otherwise, the user may interpret B_FAILFAST I/O errors as + * hard errors, when in reality they can happen for any number of + * innocuous reasons (bus resets, MPxIO link failure, etc). + */ + if (zio->io_error == EIO && + !(zio->io_flags & ZIO_FLAG_IO_RETRY)) + return; + + /* + * Intent logs writes won't propagate their error to the root + * I/O so don't mark these types of failures as pool-level + * errors. + */ + if (zio->io_vd == NULL && (zio->io_flags & ZIO_FLAG_DONT_PROPAGATE)) + return; + + mutex_enter(&vd->vdev_stat_lock); + if (type == ZIO_TYPE_READ && !vdev_is_dead(vd)) { + if (zio->io_error == ECKSUM) + vs->vs_checksum_errors++; + else + vs->vs_read_errors++; + } + if (type == ZIO_TYPE_WRITE && !vdev_is_dead(vd)) + vs->vs_write_errors++; + mutex_exit(&vd->vdev_stat_lock); + + if (type == ZIO_TYPE_WRITE && txg != 0 && + (!(flags & ZIO_FLAG_IO_REPAIR) || + (flags & ZIO_FLAG_SCAN_THREAD) || + spa->spa_claiming)) { + /* + * This is either a normal write (not a repair), or it's + * a repair induced by the scrub thread, or it's a repair + * made by zil_claim() during spa_load() in the first txg. + * In the normal case, we commit the DTL change in the same + * txg as the block was born. In the scrub-induced repair + * case, we know that scrubs run in first-pass syncing context, + * so we commit the DTL change in spa_syncing_txg(spa). + * In the zil_claim() case, we commit in spa_first_txg(spa). + * + * We currently do not make DTL entries for failed spontaneous + * self-healing writes triggered by normal (non-scrubbing) + * reads, because we have no transactional context in which to + * do so -- and it's not clear that it'd be desirable anyway. + */ + if (vd->vdev_ops->vdev_op_leaf) { + uint64_t commit_txg = txg; + if (flags & ZIO_FLAG_SCAN_THREAD) { + ASSERT(flags & ZIO_FLAG_IO_REPAIR); + ASSERT(spa_sync_pass(spa) == 1); + vdev_dtl_dirty(vd, DTL_SCRUB, txg, 1); + commit_txg = spa_syncing_txg(spa); + } else if (spa->spa_claiming) { + ASSERT(flags & ZIO_FLAG_IO_REPAIR); + commit_txg = spa_first_txg(spa); + } + ASSERT(commit_txg >= spa_syncing_txg(spa)); + if (vdev_dtl_contains(vd, DTL_MISSING, txg, 1)) + return; + for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent) + vdev_dtl_dirty(pvd, DTL_PARTIAL, txg, 1); + vdev_dirty(vd->vdev_top, VDD_DTL, vd, commit_txg); + } + if (vd != rvd) + vdev_dtl_dirty(vd, DTL_MISSING, txg, 1); + } +} + +/* + * Update the in-core space usage stats for this vdev, its metaslab class, + * and the root vdev. + */ +void +vdev_space_update(vdev_t *vd, int64_t alloc_delta, int64_t defer_delta, + int64_t space_delta) +{ + int64_t dspace_delta = space_delta; + spa_t *spa = vd->vdev_spa; + vdev_t *rvd = spa->spa_root_vdev; + metaslab_group_t *mg = vd->vdev_mg; + metaslab_class_t *mc = mg ? mg->mg_class : NULL; + + ASSERT(vd == vd->vdev_top); + + /* + * Apply the inverse of the psize-to-asize (ie. RAID-Z) space-expansion + * factor. We must calculate this here and not at the root vdev + * because the root vdev's psize-to-asize is simply the max of its + * childrens', thus not accurate enough for us. + */ + ASSERT((dspace_delta & (SPA_MINBLOCKSIZE-1)) == 0); + ASSERT(vd->vdev_deflate_ratio != 0 || vd->vdev_isl2cache); + dspace_delta = (dspace_delta >> SPA_MINBLOCKSHIFT) * + vd->vdev_deflate_ratio; + + mutex_enter(&vd->vdev_stat_lock); + vd->vdev_stat.vs_alloc += alloc_delta; + vd->vdev_stat.vs_space += space_delta; + vd->vdev_stat.vs_dspace += dspace_delta; + mutex_exit(&vd->vdev_stat_lock); + + if (mc == spa_normal_class(spa)) { + mutex_enter(&rvd->vdev_stat_lock); + rvd->vdev_stat.vs_alloc += alloc_delta; + rvd->vdev_stat.vs_space += space_delta; + rvd->vdev_stat.vs_dspace += dspace_delta; + mutex_exit(&rvd->vdev_stat_lock); + } + + if (mc != NULL) { + ASSERT(rvd == vd->vdev_parent); + ASSERT(vd->vdev_ms_count != 0); + + metaslab_class_space_update(mc, + alloc_delta, defer_delta, space_delta, dspace_delta); + } +} + +/* + * Mark a top-level vdev's config as dirty, placing it on the dirty list + * so that it will be written out next time the vdev configuration is synced. + * If the root vdev is specified (vdev_top == NULL), dirty all top-level vdevs. + */ +void +vdev_config_dirty(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + vdev_t *rvd = spa->spa_root_vdev; + int c; + + ASSERT(spa_writeable(spa)); + + /* + * If this is an aux vdev (as with l2cache and spare devices), then we + * update the vdev config manually and set the sync flag. + */ + if (vd->vdev_aux != NULL) { + spa_aux_vdev_t *sav = vd->vdev_aux; + nvlist_t **aux; + uint_t naux; + + for (c = 0; c < sav->sav_count; c++) { + if (sav->sav_vdevs[c] == vd) + break; + } + + if (c == sav->sav_count) { + /* + * We're being removed. There's nothing more to do. + */ + ASSERT(sav->sav_sync == B_TRUE); + return; + } + + sav->sav_sync = B_TRUE; + + if (nvlist_lookup_nvlist_array(sav->sav_config, + ZPOOL_CONFIG_L2CACHE, &aux, &naux) != 0) { + VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, + ZPOOL_CONFIG_SPARES, &aux, &naux) == 0); + } + + ASSERT(c < naux); + + /* + * Setting the nvlist in the middle if the array is a little + * sketchy, but it will work. + */ + nvlist_free(aux[c]); + aux[c] = vdev_config_generate(spa, vd, B_TRUE, 0); + + return; + } + + /* + * The dirty list is protected by the SCL_CONFIG lock. The caller + * must either hold SCL_CONFIG as writer, or must be the sync thread + * (which holds SCL_CONFIG as reader). There's only one sync thread, + * so this is sufficient to ensure mutual exclusion. + */ + ASSERT(spa_config_held(spa, SCL_CONFIG, RW_WRITER) || + (dsl_pool_sync_context(spa_get_dsl(spa)) && + spa_config_held(spa, SCL_CONFIG, RW_READER))); + + if (vd == rvd) { + for (c = 0; c < rvd->vdev_children; c++) + vdev_config_dirty(rvd->vdev_child[c]); + } else { + ASSERT(vd == vd->vdev_top); + + if (!list_link_active(&vd->vdev_config_dirty_node) && + !vd->vdev_ishole) + list_insert_head(&spa->spa_config_dirty_list, vd); + } +} + +void +vdev_config_clean(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + + ASSERT(spa_config_held(spa, SCL_CONFIG, RW_WRITER) || + (dsl_pool_sync_context(spa_get_dsl(spa)) && + spa_config_held(spa, SCL_CONFIG, RW_READER))); + + ASSERT(list_link_active(&vd->vdev_config_dirty_node)); + list_remove(&spa->spa_config_dirty_list, vd); +} + +/* + * Mark a top-level vdev's state as dirty, so that the next pass of + * spa_sync() can convert this into vdev_config_dirty(). We distinguish + * the state changes from larger config changes because they require + * much less locking, and are often needed for administrative actions. + */ +void +vdev_state_dirty(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + + ASSERT(spa_writeable(spa)); + ASSERT(vd == vd->vdev_top); + + /* + * The state list is protected by the SCL_STATE lock. The caller + * must either hold SCL_STATE as writer, or must be the sync thread + * (which holds SCL_STATE as reader). There's only one sync thread, + * so this is sufficient to ensure mutual exclusion. + */ + ASSERT(spa_config_held(spa, SCL_STATE, RW_WRITER) || + (dsl_pool_sync_context(spa_get_dsl(spa)) && + spa_config_held(spa, SCL_STATE, RW_READER))); + + if (!list_link_active(&vd->vdev_state_dirty_node) && !vd->vdev_ishole) + list_insert_head(&spa->spa_state_dirty_list, vd); +} + +void +vdev_state_clean(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + + ASSERT(spa_config_held(spa, SCL_STATE, RW_WRITER) || + (dsl_pool_sync_context(spa_get_dsl(spa)) && + spa_config_held(spa, SCL_STATE, RW_READER))); + + ASSERT(list_link_active(&vd->vdev_state_dirty_node)); + list_remove(&spa->spa_state_dirty_list, vd); +} + +/* + * Propagate vdev state up from children to parent. + */ +void +vdev_propagate_state(vdev_t *vd) +{ + spa_t *spa = vd->vdev_spa; + vdev_t *rvd = spa->spa_root_vdev; + int degraded = 0, faulted = 0; + int corrupted = 0; + vdev_t *child; + int c; + + if (vd->vdev_children > 0) { + for (c = 0; c < vd->vdev_children; c++) { + child = vd->vdev_child[c]; + + /* + * Don't factor holes into the decision. + */ + if (child->vdev_ishole) + continue; + + if (!vdev_readable(child) || + (!vdev_writeable(child) && spa_writeable(spa))) { + /* + * Root special: if there is a top-level log + * device, treat the root vdev as if it were + * degraded. + */ + if (child->vdev_islog && vd == rvd) + degraded++; + else + faulted++; + } else if (child->vdev_state <= VDEV_STATE_DEGRADED) { + degraded++; + } + + if (child->vdev_stat.vs_aux == VDEV_AUX_CORRUPT_DATA) + corrupted++; + } + + vd->vdev_ops->vdev_op_state_change(vd, faulted, degraded); + + /* + * Root special: if there is a top-level vdev that cannot be + * opened due to corrupted metadata, then propagate the root + * vdev's aux state as 'corrupt' rather than 'insufficient + * replicas'. + */ + if (corrupted && vd == rvd && + rvd->vdev_state == VDEV_STATE_CANT_OPEN) + vdev_set_state(rvd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_CORRUPT_DATA); + } + + if (vd->vdev_parent) + vdev_propagate_state(vd->vdev_parent); +} + +/* + * Set a vdev's state. If this is during an open, we don't update the parent + * state, because we're in the process of opening children depth-first. + * Otherwise, we propagate the change to the parent. + * + * If this routine places a device in a faulted state, an appropriate ereport is + * generated. + */ +void +vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux) +{ + uint64_t save_state; + spa_t *spa = vd->vdev_spa; + + if (state == vd->vdev_state) { + vd->vdev_stat.vs_aux = aux; + return; + } + + save_state = vd->vdev_state; + + vd->vdev_state = state; + vd->vdev_stat.vs_aux = aux; + + /* + * If we are setting the vdev state to anything but an open state, then + * always close the underlying device unless the device has requested + * a delayed close (i.e. we're about to remove or fault the device). + * Otherwise, we keep accessible but invalid devices open forever. + * We don't call vdev_close() itself, because that implies some extra + * checks (offline, etc) that we don't want here. This is limited to + * leaf devices, because otherwise closing the device will affect other + * children. + */ + if (!vd->vdev_delayed_close && vdev_is_dead(vd) && + vd->vdev_ops->vdev_op_leaf) + vd->vdev_ops->vdev_op_close(vd); + + /* + * If we have brought this vdev back into service, we need + * to notify fmd so that it can gracefully repair any outstanding + * cases due to a missing device. We do this in all cases, even those + * that probably don't correlate to a repaired fault. This is sure to + * catch all cases, and we let the zfs-retire agent sort it out. If + * this is a transient state it's OK, as the retire agent will + * double-check the state of the vdev before repairing it. + */ + if (state == VDEV_STATE_HEALTHY && vd->vdev_ops->vdev_op_leaf && + vd->vdev_prevstate != state) + zfs_post_state_change(spa, vd); + + if (vd->vdev_removed && + state == VDEV_STATE_CANT_OPEN && + (aux == VDEV_AUX_OPEN_FAILED || vd->vdev_checkremove)) { + /* + * If the previous state is set to VDEV_STATE_REMOVED, then this + * device was previously marked removed and someone attempted to + * reopen it. If this failed due to a nonexistent device, then + * keep the device in the REMOVED state. We also let this be if + * it is one of our special test online cases, which is only + * attempting to online the device and shouldn't generate an FMA + * fault. + */ + vd->vdev_state = VDEV_STATE_REMOVED; + vd->vdev_stat.vs_aux = VDEV_AUX_NONE; + } else if (state == VDEV_STATE_REMOVED) { + vd->vdev_removed = B_TRUE; + } else if (state == VDEV_STATE_CANT_OPEN) { + /* + * If we fail to open a vdev during an import or recovery, we + * mark it as "not available", which signifies that it was + * never there to begin with. Failure to open such a device + * is not considered an error. + */ + if ((spa_load_state(spa) == SPA_LOAD_IMPORT || + spa_load_state(spa) == SPA_LOAD_RECOVER) && + vd->vdev_ops->vdev_op_leaf) + vd->vdev_not_present = 1; + + /* + * Post the appropriate ereport. If the 'prevstate' field is + * set to something other than VDEV_STATE_UNKNOWN, it indicates + * that this is part of a vdev_reopen(). In this case, we don't + * want to post the ereport if the device was already in the + * CANT_OPEN state beforehand. + * + * If the 'checkremove' flag is set, then this is an attempt to + * online the device in response to an insertion event. If we + * hit this case, then we have detected an insertion event for a + * faulted or offline device that wasn't in the removed state. + * In this scenario, we don't post an ereport because we are + * about to replace the device, or attempt an online with + * vdev_forcefault, which will generate the fault for us. + */ + if ((vd->vdev_prevstate != state || vd->vdev_forcefault) && + !vd->vdev_not_present && !vd->vdev_checkremove && + vd != spa->spa_root_vdev) { + const char *class; + + switch (aux) { + case VDEV_AUX_OPEN_FAILED: + class = FM_EREPORT_ZFS_DEVICE_OPEN_FAILED; + break; + case VDEV_AUX_CORRUPT_DATA: + class = FM_EREPORT_ZFS_DEVICE_CORRUPT_DATA; + break; + case VDEV_AUX_NO_REPLICAS: + class = FM_EREPORT_ZFS_DEVICE_NO_REPLICAS; + break; + case VDEV_AUX_BAD_GUID_SUM: + class = FM_EREPORT_ZFS_DEVICE_BAD_GUID_SUM; + break; + case VDEV_AUX_TOO_SMALL: + class = FM_EREPORT_ZFS_DEVICE_TOO_SMALL; + break; + case VDEV_AUX_BAD_LABEL: + class = FM_EREPORT_ZFS_DEVICE_BAD_LABEL; + break; + default: + class = FM_EREPORT_ZFS_DEVICE_UNKNOWN; + } + + zfs_ereport_post(class, spa, vd, NULL, save_state, 0); + } + + /* Erase any notion of persistent removed state */ + vd->vdev_removed = B_FALSE; + } else { + vd->vdev_removed = B_FALSE; + } + + if (!isopen && vd->vdev_parent) + vdev_propagate_state(vd->vdev_parent); +} + +/* + * Check the vdev configuration to ensure that it's capable of supporting + * a root pool. + */ +boolean_t +vdev_is_bootable(vdev_t *vd) +{ +#if defined(__sun__) || defined(__sun) + /* + * Currently, we do not support RAID-Z or partial configuration. + * In addition, only a single top-level vdev is allowed and none of the + * leaves can be wholedisks. + */ + int c; + + if (!vd->vdev_ops->vdev_op_leaf) { + char *vdev_type = vd->vdev_ops->vdev_op_type; + + if (strcmp(vdev_type, VDEV_TYPE_ROOT) == 0 && + vd->vdev_children > 1) { + return (B_FALSE); + } else if (strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 || + strcmp(vdev_type, VDEV_TYPE_MISSING) == 0) { + return (B_FALSE); + } + } else if (vd->vdev_wholedisk == 1) { + return (B_FALSE); + } + + for (c = 0; c < vd->vdev_children; c++) { + if (!vdev_is_bootable(vd->vdev_child[c])) + return (B_FALSE); + } +#endif /* __sun__ || __sun */ + return (B_TRUE); +} + +/* + * Load the state from the original vdev tree (ovd) which + * we've retrieved from the MOS config object. If the original + * vdev was offline or faulted then we transfer that state to the + * device in the current vdev tree (nvd). + */ +void +vdev_load_log_state(vdev_t *nvd, vdev_t *ovd) +{ + int c; + + ASSERT(nvd->vdev_top->vdev_islog); + ASSERT(spa_config_held(nvd->vdev_spa, + SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL); + ASSERT3U(nvd->vdev_guid, ==, ovd->vdev_guid); + + for (c = 0; c < nvd->vdev_children; c++) + vdev_load_log_state(nvd->vdev_child[c], ovd->vdev_child[c]); + + if (nvd->vdev_ops->vdev_op_leaf) { + /* + * Restore the persistent vdev state + */ + nvd->vdev_offline = ovd->vdev_offline; + nvd->vdev_faulted = ovd->vdev_faulted; + nvd->vdev_degraded = ovd->vdev_degraded; + nvd->vdev_removed = ovd->vdev_removed; + } +} + +/* + * Determine if a log device has valid content. If the vdev was + * removed or faulted in the MOS config then we know that + * the content on the log device has already been written to the pool. + */ +boolean_t +vdev_log_state_valid(vdev_t *vd) +{ + int c; + + if (vd->vdev_ops->vdev_op_leaf && !vd->vdev_faulted && + !vd->vdev_removed) + return (B_TRUE); + + for (c = 0; c < vd->vdev_children; c++) + if (vdev_log_state_valid(vd->vdev_child[c])) + return (B_TRUE); + + return (B_FALSE); +} + +/* + * Expand a vdev if possible. + */ +void +vdev_expand(vdev_t *vd, uint64_t txg) +{ + ASSERT(vd->vdev_top == vd); + ASSERT(spa_config_held(vd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + if ((vd->vdev_asize >> vd->vdev_ms_shift) > vd->vdev_ms_count) { + VERIFY(vdev_metaslab_init(vd, txg) == 0); + vdev_config_dirty(vd); + } +} + +/* + * Split a vdev. + */ +void +vdev_split(vdev_t *vd) +{ + vdev_t *cvd, *pvd = vd->vdev_parent; + + vdev_remove_child(pvd, vd); + vdev_compact_children(pvd); + + cvd = pvd->vdev_child[0]; + if (pvd->vdev_children == 1) { + vdev_remove_parent(cvd); + cvd->vdev_splitting = B_TRUE; + } + vdev_propagate_state(cvd); +} + +void +vdev_deadman(vdev_t *vd) +{ + int c; + + for (c = 0; c < vd->vdev_children; c++) { + vdev_t *cvd = vd->vdev_child[c]; + + vdev_deadman(cvd); + } + + if (vd->vdev_ops->vdev_op_leaf) { + vdev_queue_t *vq = &vd->vdev_queue; + + mutex_enter(&vq->vq_lock); + if (avl_numnodes(&vq->vq_active_tree) > 0) { + spa_t *spa = vd->vdev_spa; + zio_t *fio; + uint64_t delta; + + /* + * Look at the head of all the pending queues, + * if any I/O has been outstanding for longer than + * the spa_deadman_synctime we log a zevent. + */ + fio = avl_first(&vq->vq_active_tree); + delta = gethrtime() - fio->io_timestamp; + if (delta > spa_deadman_synctime(spa)) { + zfs_dbgmsg("SLOW IO: zio timestamp %lluns, " + "delta %lluns, last io %lluns", + fio->io_timestamp, delta, + vq->vq_io_complete_ts); + zfs_ereport_post(FM_EREPORT_ZFS_DELAY, + spa, vd, fio, 0, 0); + } + } + mutex_exit(&vq->vq_lock); + } +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(vdev_fault); +EXPORT_SYMBOL(vdev_degrade); +EXPORT_SYMBOL(vdev_online); +EXPORT_SYMBOL(vdev_offline); +EXPORT_SYMBOL(vdev_clear); + +module_param(metaslabs_per_vdev, int, 0644); +MODULE_PARM_DESC(metaslabs_per_vdev, + "Divide added vdev into approximately (but no more than) this number " + "of metaslabs"); +#endif diff --git a/zfs/module/zfs/vdev_cache.c b/zfs/module/zfs/vdev_cache.c new file mode 100644 index 000000000000..389fa6fd9d07 --- /dev/null +++ b/zfs/module/zfs/vdev_cache.c @@ -0,0 +1,439 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include + +/* + * Virtual device read-ahead caching. + * + * This file implements a simple LRU read-ahead cache. When the DMU reads + * a given block, it will often want other, nearby blocks soon thereafter. + * We take advantage of this by reading a larger disk region and caching + * the result. In the best case, this can turn 128 back-to-back 512-byte + * reads into a single 64k read followed by 127 cache hits; this reduces + * latency dramatically. In the worst case, it can turn an isolated 512-byte + * read into a 64k read, which doesn't affect latency all that much but is + * terribly wasteful of bandwidth. A more intelligent version of the cache + * could keep track of access patterns and not do read-ahead unless it sees + * at least two temporally close I/Os to the same region. Currently, only + * metadata I/O is inflated. A futher enhancement could take advantage of + * more semantic information about the I/O. And it could use something + * faster than an AVL tree; that was chosen solely for convenience. + * + * There are five cache operations: allocate, fill, read, write, evict. + * + * (1) Allocate. This reserves a cache entry for the specified region. + * We separate the allocate and fill operations so that multiple threads + * don't generate I/O for the same cache miss. + * + * (2) Fill. When the I/O for a cache miss completes, the fill routine + * places the data in the previously allocated cache entry. + * + * (3) Read. Read data from the cache. + * + * (4) Write. Update cache contents after write completion. + * + * (5) Evict. When allocating a new entry, we evict the oldest (LRU) entry + * if the total cache size exceeds zfs_vdev_cache_size. + */ + +/* + * These tunables are for performance analysis. + */ +/* + * All i/os smaller than zfs_vdev_cache_max will be turned into + * 1<ve_offset < ve2->ve_offset) + return (-1); + if (ve1->ve_offset > ve2->ve_offset) + return (1); + return (0); +} + +static int +vdev_cache_lastused_compare(const void *a1, const void *a2) +{ + const vdev_cache_entry_t *ve1 = a1; + const vdev_cache_entry_t *ve2 = a2; + + if (ddi_time_before(ve1->ve_lastused, ve2->ve_lastused)) + return (-1); + if (ddi_time_after(ve1->ve_lastused, ve2->ve_lastused)) + return (1); + + /* + * Among equally old entries, sort by offset to ensure uniqueness. + */ + return (vdev_cache_offset_compare(a1, a2)); +} + +/* + * Evict the specified entry from the cache. + */ +static void +vdev_cache_evict(vdev_cache_t *vc, vdev_cache_entry_t *ve) +{ + ASSERT(MUTEX_HELD(&vc->vc_lock)); + ASSERT(ve->ve_fill_io == NULL); + ASSERT(ve->ve_data != NULL); + + avl_remove(&vc->vc_lastused_tree, ve); + avl_remove(&vc->vc_offset_tree, ve); + zio_buf_free(ve->ve_data, VCBS); + kmem_free(ve, sizeof (vdev_cache_entry_t)); +} + +/* + * Allocate an entry in the cache. At the point we don't have the data, + * we're just creating a placeholder so that multiple threads don't all + * go off and read the same blocks. + */ +static vdev_cache_entry_t * +vdev_cache_allocate(zio_t *zio) +{ + vdev_cache_t *vc = &zio->io_vd->vdev_cache; + uint64_t offset = P2ALIGN(zio->io_offset, VCBS); + vdev_cache_entry_t *ve; + + ASSERT(MUTEX_HELD(&vc->vc_lock)); + + if (zfs_vdev_cache_size == 0) + return (NULL); + + /* + * If adding a new entry would exceed the cache size, + * evict the oldest entry (LRU). + */ + if ((avl_numnodes(&vc->vc_lastused_tree) << zfs_vdev_cache_bshift) > + zfs_vdev_cache_size) { + ve = avl_first(&vc->vc_lastused_tree); + if (ve->ve_fill_io != NULL) + return (NULL); + ASSERT(ve->ve_hits != 0); + vdev_cache_evict(vc, ve); + } + + ve = kmem_zalloc(sizeof (vdev_cache_entry_t), KM_SLEEP); + ve->ve_offset = offset; + ve->ve_lastused = ddi_get_lbolt(); + ve->ve_data = zio_buf_alloc(VCBS); + + avl_add(&vc->vc_offset_tree, ve); + avl_add(&vc->vc_lastused_tree, ve); + + return (ve); +} + +static void +vdev_cache_hit(vdev_cache_t *vc, vdev_cache_entry_t *ve, zio_t *zio) +{ + uint64_t cache_phase = P2PHASE(zio->io_offset, VCBS); + + ASSERT(MUTEX_HELD(&vc->vc_lock)); + ASSERT(ve->ve_fill_io == NULL); + + if (ve->ve_lastused != ddi_get_lbolt()) { + avl_remove(&vc->vc_lastused_tree, ve); + ve->ve_lastused = ddi_get_lbolt(); + avl_add(&vc->vc_lastused_tree, ve); + } + + ve->ve_hits++; + bcopy(ve->ve_data + cache_phase, zio->io_data, zio->io_size); +} + +/* + * Fill a previously allocated cache entry with data. + */ +static void +vdev_cache_fill(zio_t *fio) +{ + vdev_t *vd = fio->io_vd; + vdev_cache_t *vc = &vd->vdev_cache; + vdev_cache_entry_t *ve = fio->io_private; + zio_t *pio; + + ASSERT(fio->io_size == VCBS); + + /* + * Add data to the cache. + */ + mutex_enter(&vc->vc_lock); + + ASSERT(ve->ve_fill_io == fio); + ASSERT(ve->ve_offset == fio->io_offset); + ASSERT(ve->ve_data == fio->io_data); + + ve->ve_fill_io = NULL; + + /* + * Even if this cache line was invalidated by a missed write update, + * any reads that were queued up before the missed update are still + * valid, so we can satisfy them from this line before we evict it. + */ + while ((pio = zio_walk_parents(fio)) != NULL) + vdev_cache_hit(vc, ve, pio); + + if (fio->io_error || ve->ve_missed_update) + vdev_cache_evict(vc, ve); + + mutex_exit(&vc->vc_lock); +} + +/* + * Read data from the cache. Returns B_TRUE cache hit, B_FALSE on miss. + */ +boolean_t +vdev_cache_read(zio_t *zio) +{ + vdev_cache_t *vc = &zio->io_vd->vdev_cache; + vdev_cache_entry_t *ve, *ve_search; + uint64_t cache_offset = P2ALIGN(zio->io_offset, VCBS); + zio_t *fio; + ASSERTV(uint64_t cache_phase = P2PHASE(zio->io_offset, VCBS)); + + ASSERT(zio->io_type == ZIO_TYPE_READ); + + if (zio->io_flags & ZIO_FLAG_DONT_CACHE) + return (B_FALSE); + + if (zio->io_size > zfs_vdev_cache_max) + return (B_FALSE); + + /* + * If the I/O straddles two or more cache blocks, don't cache it. + */ + if (P2BOUNDARY(zio->io_offset, zio->io_size, VCBS)) + return (B_FALSE); + + ASSERT(cache_phase + zio->io_size <= VCBS); + + mutex_enter(&vc->vc_lock); + + ve_search = kmem_alloc(sizeof (vdev_cache_entry_t), KM_SLEEP); + ve_search->ve_offset = cache_offset; + ve = avl_find(&vc->vc_offset_tree, ve_search, NULL); + kmem_free(ve_search, sizeof (vdev_cache_entry_t)); + + if (ve != NULL) { + if (ve->ve_missed_update) { + mutex_exit(&vc->vc_lock); + return (B_FALSE); + } + + if ((fio = ve->ve_fill_io) != NULL) { + zio_vdev_io_bypass(zio); + zio_add_child(zio, fio); + mutex_exit(&vc->vc_lock); + VDCSTAT_BUMP(vdc_stat_delegations); + return (B_TRUE); + } + + vdev_cache_hit(vc, ve, zio); + zio_vdev_io_bypass(zio); + + mutex_exit(&vc->vc_lock); + VDCSTAT_BUMP(vdc_stat_hits); + return (B_TRUE); + } + + ve = vdev_cache_allocate(zio); + + if (ve == NULL) { + mutex_exit(&vc->vc_lock); + return (B_FALSE); + } + + fio = zio_vdev_delegated_io(zio->io_vd, cache_offset, + ve->ve_data, VCBS, ZIO_TYPE_READ, ZIO_PRIORITY_NOW, + ZIO_FLAG_DONT_CACHE, vdev_cache_fill, ve); + + ve->ve_fill_io = fio; + zio_vdev_io_bypass(zio); + zio_add_child(zio, fio); + + mutex_exit(&vc->vc_lock); + zio_nowait(fio); + VDCSTAT_BUMP(vdc_stat_misses); + + return (B_TRUE); +} + +/* + * Update cache contents upon write completion. + */ +void +vdev_cache_write(zio_t *zio) +{ + vdev_cache_t *vc = &zio->io_vd->vdev_cache; + vdev_cache_entry_t *ve, ve_search; + uint64_t io_start = zio->io_offset; + uint64_t io_end = io_start + zio->io_size; + uint64_t min_offset = P2ALIGN(io_start, VCBS); + uint64_t max_offset = P2ROUNDUP(io_end, VCBS); + avl_index_t where; + + ASSERT(zio->io_type == ZIO_TYPE_WRITE); + + mutex_enter(&vc->vc_lock); + + ve_search.ve_offset = min_offset; + ve = avl_find(&vc->vc_offset_tree, &ve_search, &where); + + if (ve == NULL) + ve = avl_nearest(&vc->vc_offset_tree, where, AVL_AFTER); + + while (ve != NULL && ve->ve_offset < max_offset) { + uint64_t start = MAX(ve->ve_offset, io_start); + uint64_t end = MIN(ve->ve_offset + VCBS, io_end); + + if (ve->ve_fill_io != NULL) { + ve->ve_missed_update = 1; + } else { + bcopy((char *)zio->io_data + start - io_start, + ve->ve_data + start - ve->ve_offset, end - start); + } + ve = AVL_NEXT(&vc->vc_offset_tree, ve); + } + mutex_exit(&vc->vc_lock); +} + +void +vdev_cache_purge(vdev_t *vd) +{ + vdev_cache_t *vc = &vd->vdev_cache; + vdev_cache_entry_t *ve; + + mutex_enter(&vc->vc_lock); + while ((ve = avl_first(&vc->vc_offset_tree)) != NULL) + vdev_cache_evict(vc, ve); + mutex_exit(&vc->vc_lock); +} + +void +vdev_cache_init(vdev_t *vd) +{ + vdev_cache_t *vc = &vd->vdev_cache; + + mutex_init(&vc->vc_lock, NULL, MUTEX_DEFAULT, NULL); + + avl_create(&vc->vc_offset_tree, vdev_cache_offset_compare, + sizeof (vdev_cache_entry_t), + offsetof(struct vdev_cache_entry, ve_offset_node)); + + avl_create(&vc->vc_lastused_tree, vdev_cache_lastused_compare, + sizeof (vdev_cache_entry_t), + offsetof(struct vdev_cache_entry, ve_lastused_node)); +} + +void +vdev_cache_fini(vdev_t *vd) +{ + vdev_cache_t *vc = &vd->vdev_cache; + + vdev_cache_purge(vd); + + avl_destroy(&vc->vc_offset_tree); + avl_destroy(&vc->vc_lastused_tree); + + mutex_destroy(&vc->vc_lock); +} + +void +vdev_cache_stat_init(void) +{ + vdc_ksp = kstat_create("zfs", 0, "vdev_cache_stats", "misc", + KSTAT_TYPE_NAMED, sizeof (vdc_stats) / sizeof (kstat_named_t), + KSTAT_FLAG_VIRTUAL); + if (vdc_ksp != NULL) { + vdc_ksp->ks_data = &vdc_stats; + kstat_install(vdc_ksp); + } +} + +void +vdev_cache_stat_fini(void) +{ + if (vdc_ksp != NULL) { + kstat_delete(vdc_ksp); + vdc_ksp = NULL; + } +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_vdev_cache_max, int, 0644); +MODULE_PARM_DESC(zfs_vdev_cache_max, "Inflate reads small than max"); + +module_param(zfs_vdev_cache_size, int, 0444); +MODULE_PARM_DESC(zfs_vdev_cache_size, "Total size of the per-disk cache"); + +module_param(zfs_vdev_cache_bshift, int, 0644); +MODULE_PARM_DESC(zfs_vdev_cache_bshift, "Shift size to inflate reads too"); +#endif diff --git a/zfs/module/zfs/vdev_disk.c b/zfs/module/zfs/vdev_disk.c new file mode 100644 index 000000000000..5697f68671a8 --- /dev/null +++ b/zfs/module/zfs/vdev_disk.c @@ -0,0 +1,804 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Rewritten for Linux by Brian Behlendorf . + * LLNL-CODE-403049. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include + +char *zfs_vdev_scheduler = VDEV_SCHEDULER; +static void *zfs_vdev_holder = VDEV_HOLDER; + +/* + * Virtual device vector for disks. + */ +typedef struct dio_request { + zio_t *dr_zio; /* Parent ZIO */ + atomic_t dr_ref; /* References */ + int dr_error; /* Bio error */ + int dr_bio_count; /* Count of bio's */ + struct bio *dr_bio[0]; /* Attached bio's */ +} dio_request_t; + + +#ifdef HAVE_OPEN_BDEV_EXCLUSIVE +static fmode_t +vdev_bdev_mode(int smode) +{ + fmode_t mode = 0; + + ASSERT3S(smode & (FREAD | FWRITE), !=, 0); + + if (smode & FREAD) + mode |= FMODE_READ; + + if (smode & FWRITE) + mode |= FMODE_WRITE; + + return (mode); +} +#else +static int +vdev_bdev_mode(int smode) +{ + int mode = 0; + + ASSERT3S(smode & (FREAD | FWRITE), !=, 0); + + if ((smode & FREAD) && !(smode & FWRITE)) + mode = MS_RDONLY; + + return (mode); +} +#endif /* HAVE_OPEN_BDEV_EXCLUSIVE */ + +static uint64_t +bdev_capacity(struct block_device *bdev) +{ + struct hd_struct *part = bdev->bd_part; + + /* The partition capacity referenced by the block device */ + if (part) + return (part->nr_sects << 9); + + /* Otherwise assume the full device capacity */ + return (get_capacity(bdev->bd_disk) << 9); +} + +static void +vdev_disk_error(zio_t *zio) +{ +#ifdef ZFS_DEBUG + printk("ZFS: zio error=%d type=%d offset=%llu size=%llu " + "flags=%x delay=%llu\n", zio->io_error, zio->io_type, + (u_longlong_t)zio->io_offset, (u_longlong_t)zio->io_size, + zio->io_flags, (u_longlong_t)zio->io_delay); +#endif +} + +/* + * Use the Linux 'noop' elevator for zfs managed block devices. This + * strikes the ideal balance by allowing the zfs elevator to do all + * request ordering and prioritization. While allowing the Linux + * elevator to do the maximum front/back merging allowed by the + * physical device. This yields the largest possible requests for + * the device with the lowest total overhead. + */ +static int +vdev_elevator_switch(vdev_t *v, char *elevator) +{ + vdev_disk_t *vd = v->vdev_tsd; + struct block_device *bdev = vd->vd_bdev; + struct request_queue *q = bdev_get_queue(bdev); + char *device = bdev->bd_disk->disk_name; + int error; + + /* + * Skip devices which are not whole disks (partitions). + * Device-mapper devices are excepted since they may be whole + * disks despite the vdev_wholedisk flag, in which case we can + * and should switch the elevator. If the device-mapper device + * does not have an elevator (i.e. dm-raid, dm-crypt, etc.) the + * "Skip devices without schedulers" check below will fail. + */ + if (!v->vdev_wholedisk && strncmp(device, "dm-", 3) != 0) + return (0); + + /* Skip devices without schedulers (loop, ram, dm, etc) */ + if (!q->elevator || !blk_queue_stackable(q)) + return (0); + + /* Leave existing scheduler when set to "none" */ + if ((strncmp(elevator, "none", 4) == 0) && (strlen(elevator) == 4)) + return (0); + +#ifdef HAVE_ELEVATOR_CHANGE + error = elevator_change(q, elevator); +#else + /* + * For pre-2.6.36 kernels elevator_change() is not available. + * Therefore we fall back to using a usermodehelper to echo the + * elevator into sysfs; This requires /bin/echo and sysfs to be + * mounted which may not be true early in the boot process. + */ +#define SET_SCHEDULER_CMD \ + "exec 0/sys/block/%s/queue/scheduler " \ + " 2>/dev/null; " \ + "echo %s" + + { + char *argv[] = { "/bin/sh", "-c", NULL, NULL }; + char *envp[] = { NULL }; + + argv[2] = kmem_asprintf(SET_SCHEDULER_CMD, device, elevator); + error = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC); + strfree(argv[2]); + } +#endif /* HAVE_ELEVATOR_CHANGE */ + if (error) + printk("ZFS: Unable to set \"%s\" scheduler for %s (%s): %d\n", + elevator, v->vdev_path, device, error); + + return (error); +} + +/* + * Expanding a whole disk vdev involves invoking BLKRRPART on the + * whole disk device. This poses a problem, because BLKRRPART will + * return EBUSY if one of the disk's partitions is open. That's why + * we have to do it here, just before opening the data partition. + * Unfortunately, BLKRRPART works by dropping all partitions and + * recreating them, which means that for a short time window, all + * /dev/sdxN device files disappear (until udev recreates them). + * This means two things: + * - When we open the data partition just after a BLKRRPART, we + * can't do it using the normal device file path because of the + * obvious race condition with udev. Instead, we use reliable + * kernel APIs to get a handle to the new partition device from + * the whole disk device. + * - Because vdev_disk_open() initially needs to find the device + * using its path, multiple vdev_disk_open() invocations in + * short succession on the same disk with BLKRRPARTs in the + * middle have a high probability of failure (because of the + * race condition with udev). A typical situation where this + * might happen is when the zpool userspace tool does a + * TRYIMPORT immediately followed by an IMPORT. For this + * reason, we only invoke BLKRRPART in the module when strictly + * necessary (zpool online -e case), and rely on userspace to + * do it when possible. + */ +static struct block_device * +vdev_disk_rrpart(const char *path, int mode, vdev_disk_t *vd) +{ +#if defined(HAVE_3ARG_BLKDEV_GET) && defined(HAVE_GET_GENDISK) + struct block_device *bdev, *result = ERR_PTR(-ENXIO); + struct gendisk *disk; + int error, partno; + + bdev = vdev_bdev_open(path, vdev_bdev_mode(mode), zfs_vdev_holder); + if (IS_ERR(bdev)) + return (bdev); + + disk = get_gendisk(bdev->bd_dev, &partno); + vdev_bdev_close(bdev, vdev_bdev_mode(mode)); + + if (disk) { + bdev = bdget(disk_devt(disk)); + if (bdev) { + error = blkdev_get(bdev, vdev_bdev_mode(mode), vd); + if (error == 0) + error = ioctl_by_bdev(bdev, BLKRRPART, 0); + vdev_bdev_close(bdev, vdev_bdev_mode(mode)); + } + + bdev = bdget_disk(disk, partno); + if (bdev) { + error = blkdev_get(bdev, + vdev_bdev_mode(mode) | FMODE_EXCL, vd); + if (error == 0) + result = bdev; + } + put_disk(disk); + } + + return (result); +#else + return (ERR_PTR(-EOPNOTSUPP)); +#endif /* defined(HAVE_3ARG_BLKDEV_GET) && defined(HAVE_GET_GENDISK) */ +} + +static int +vdev_disk_open(vdev_t *v, uint64_t *psize, uint64_t *max_psize, + uint64_t *ashift) +{ + struct block_device *bdev = ERR_PTR(-ENXIO); + vdev_disk_t *vd; + int count = 0, mode, block_size; + + /* Must have a pathname and it must be absolute. */ + if (v->vdev_path == NULL || v->vdev_path[0] != '/') { + v->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL; + return (SET_ERROR(EINVAL)); + } + + /* + * Reopen the device if it's not currently open. Otherwise, + * just update the physical size of the device. + */ + if (v->vdev_tsd != NULL) { + ASSERT(v->vdev_reopening); + vd = v->vdev_tsd; + goto skip_open; + } + + vd = kmem_zalloc(sizeof (vdev_disk_t), KM_SLEEP); + if (vd == NULL) + return (SET_ERROR(ENOMEM)); + + /* + * Devices are always opened by the path provided at configuration + * time. This means that if the provided path is a udev by-id path + * then drives may be recabled without an issue. If the provided + * path is a udev by-path path, then the physical location information + * will be preserved. This can be critical for more complicated + * configurations where drives are located in specific physical + * locations to maximize the systems tolerence to component failure. + * Alternatively, you can provide your own udev rule to flexibly map + * the drives as you see fit. It is not advised that you use the + * /dev/[hd]d devices which may be reordered due to probing order. + * Devices in the wrong locations will be detected by the higher + * level vdev validation. + * + * The specified paths may be briefly removed and recreated in + * response to udev events. This should be exceptionally unlikely + * because the zpool command makes every effort to verify these paths + * have already settled prior to reaching this point. Therefore, + * a ENOENT failure at this point is highly likely to be transient + * and it is reasonable to sleep and retry before giving up. In + * practice delays have been observed to be on the order of 100ms. + */ + mode = spa_mode(v->vdev_spa); + if (v->vdev_wholedisk && v->vdev_expanding) + bdev = vdev_disk_rrpart(v->vdev_path, mode, vd); + + while (IS_ERR(bdev) && count < 50) { + bdev = vdev_bdev_open(v->vdev_path, + vdev_bdev_mode(mode), zfs_vdev_holder); + if (unlikely(PTR_ERR(bdev) == -ENOENT)) { + msleep(10); + count++; + } else if (IS_ERR(bdev)) { + break; + } + } + + if (IS_ERR(bdev)) { + dprintf("failed open v->vdev_path=%s, error=%d count=%d\n", + v->vdev_path, -PTR_ERR(bdev), count); + kmem_free(vd, sizeof (vdev_disk_t)); + return (SET_ERROR(-PTR_ERR(bdev))); + } + + v->vdev_tsd = vd; + vd->vd_bdev = bdev; + +skip_open: + /* Determine the physical block size */ + block_size = vdev_bdev_block_size(vd->vd_bdev); + + /* Clear the nowritecache bit, causes vdev_reopen() to try again. */ + v->vdev_nowritecache = B_FALSE; + + /* Inform the ZIO pipeline that we are non-rotational */ + v->vdev_nonrot = blk_queue_nonrot(bdev_get_queue(vd->vd_bdev)); + + /* Physical volume size in bytes */ + *psize = bdev_capacity(vd->vd_bdev); + + /* TODO: report possible expansion size */ + *max_psize = *psize; + + /* Based on the minimum sector size set the block size */ + *ashift = highbit64(MAX(block_size, SPA_MINBLOCKSIZE)) - 1; + + /* Try to set the io scheduler elevator algorithm */ + (void) vdev_elevator_switch(v, zfs_vdev_scheduler); + + return (0); +} + +static void +vdev_disk_close(vdev_t *v) +{ + vdev_disk_t *vd = v->vdev_tsd; + + if (v->vdev_reopening || vd == NULL) + return; + + if (vd->vd_bdev != NULL) + vdev_bdev_close(vd->vd_bdev, + vdev_bdev_mode(spa_mode(v->vdev_spa))); + + kmem_free(vd, sizeof (vdev_disk_t)); + v->vdev_tsd = NULL; +} + +static dio_request_t * +vdev_disk_dio_alloc(int bio_count) +{ + dio_request_t *dr; + int i; + + dr = kmem_zalloc(sizeof (dio_request_t) + + sizeof (struct bio *) * bio_count, KM_SLEEP); + if (dr) { + atomic_set(&dr->dr_ref, 0); + dr->dr_bio_count = bio_count; + dr->dr_error = 0; + + for (i = 0; i < dr->dr_bio_count; i++) + dr->dr_bio[i] = NULL; + } + + return (dr); +} + +static void +vdev_disk_dio_free(dio_request_t *dr) +{ + int i; + + for (i = 0; i < dr->dr_bio_count; i++) + if (dr->dr_bio[i]) + bio_put(dr->dr_bio[i]); + + kmem_free(dr, sizeof (dio_request_t) + + sizeof (struct bio *) * dr->dr_bio_count); +} + +static void +vdev_disk_dio_get(dio_request_t *dr) +{ + atomic_inc(&dr->dr_ref); +} + +static int +vdev_disk_dio_put(dio_request_t *dr) +{ + int rc = atomic_dec_return(&dr->dr_ref); + + /* + * Free the dio_request when the last reference is dropped and + * ensure zio_interpret is called only once with the correct zio + */ + if (rc == 0) { + zio_t *zio = dr->dr_zio; + int error = dr->dr_error; + + vdev_disk_dio_free(dr); + + if (zio) { + zio->io_delay = jiffies_64 - zio->io_delay; + zio->io_error = error; + ASSERT3S(zio->io_error, >=, 0); + if (zio->io_error) + vdev_disk_error(zio); + zio_interrupt(zio); + } + } + + return (rc); +} + +BIO_END_IO_PROTO(vdev_disk_physio_completion, bio, error) +{ + dio_request_t *dr = bio->bi_private; + int rc; + + if (dr->dr_error == 0) { +#ifdef HAVE_1ARG_BIO_END_IO_T + dr->dr_error = -(bio->bi_error); +#else + if (error) + dr->dr_error = -(error); + else if (!test_bit(BIO_UPTODATE, &bio->bi_flags)) + dr->dr_error = EIO; +#endif + } + + /* Drop reference aquired by __vdev_disk_physio */ + rc = vdev_disk_dio_put(dr); +} + +static inline unsigned long +bio_nr_pages(void *bio_ptr, unsigned int bio_size) +{ + return ((((unsigned long)bio_ptr + bio_size + PAGE_SIZE - 1) >> + PAGE_SHIFT) - ((unsigned long)bio_ptr >> PAGE_SHIFT)); +} + +static unsigned int +bio_map(struct bio *bio, void *bio_ptr, unsigned int bio_size) +{ + unsigned int offset, size, i; + struct page *page; + + offset = offset_in_page(bio_ptr); + for (i = 0; i < bio->bi_max_vecs; i++) { + size = PAGE_SIZE - offset; + + if (bio_size <= 0) + break; + + if (size > bio_size) + size = bio_size; + + if (is_vmalloc_addr(bio_ptr)) + page = vmalloc_to_page(bio_ptr); + else + page = virt_to_page(bio_ptr); + + /* + * Some network related block device uses tcp_sendpage, which + * doesn't behave well when using 0-count page, this is a + * safety net to catch them. + */ + ASSERT3S(page_count(page), >, 0); + + if (bio_add_page(bio, page, size, offset) != size) + break; + + bio_ptr += size; + bio_size -= size; + offset = 0; + } + + return (bio_size); +} + +static inline void +vdev_submit_bio_impl(struct bio *bio) +{ +#ifdef HAVE_1ARG_SUBMIT_BIO + submit_bio(bio); +#else + submit_bio(0, bio); +#endif +} + +static inline void +vdev_submit_bio(struct bio *bio) +{ +#ifdef HAVE_CURRENT_BIO_TAIL + struct bio **bio_tail = current->bio_tail; + current->bio_tail = NULL; + vdev_submit_bio_impl(bio); + current->bio_tail = bio_tail; +#else + struct bio_list *bio_list = current->bio_list; + current->bio_list = NULL; + vdev_submit_bio_impl(bio); + current->bio_list = bio_list; +#endif +} + +static int +__vdev_disk_physio(struct block_device *bdev, zio_t *zio, caddr_t kbuf_ptr, + size_t kbuf_size, uint64_t kbuf_offset, int rw, int flags) +{ + dio_request_t *dr; + caddr_t bio_ptr; + uint64_t bio_offset; + int bio_size, bio_count = 16; + int i = 0, error = 0; +#if defined(HAVE_BLK_QUEUE_HAVE_BLK_PLUG) + struct blk_plug plug; +#endif + + ASSERT3U(kbuf_offset + kbuf_size, <=, bdev->bd_inode->i_size); + +retry: + dr = vdev_disk_dio_alloc(bio_count); + if (dr == NULL) + return (ENOMEM); + + if (zio && !(zio->io_flags & (ZIO_FLAG_IO_RETRY | ZIO_FLAG_TRYHARD))) + bio_set_flags_failfast(bdev, &flags); + + dr->dr_zio = zio; + + /* + * When the IO size exceeds the maximum bio size for the request + * queue we are forced to break the IO in multiple bio's and wait + * for them all to complete. Ideally, all pool users will set + * their volume block size to match the maximum request size and + * the common case will be one bio per vdev IO request. + */ + bio_ptr = kbuf_ptr; + bio_offset = kbuf_offset; + bio_size = kbuf_size; + for (i = 0; i <= dr->dr_bio_count; i++) { + + /* Finished constructing bio's for given buffer */ + if (bio_size <= 0) + break; + + /* + * By default only 'bio_count' bio's per dio are allowed. + * However, if we find ourselves in a situation where more + * are needed we allocate a larger dio and warn the user. + */ + if (dr->dr_bio_count == i) { + vdev_disk_dio_free(dr); + bio_count *= 2; + goto retry; + } + + /* bio_alloc() with __GFP_WAIT never returns NULL */ + dr->dr_bio[i] = bio_alloc(GFP_NOIO, + MIN(bio_nr_pages(bio_ptr, bio_size), BIO_MAX_PAGES)); + if (unlikely(dr->dr_bio[i] == NULL)) { + vdev_disk_dio_free(dr); + return (ENOMEM); + } + + /* Matching put called by vdev_disk_physio_completion */ + vdev_disk_dio_get(dr); + + dr->dr_bio[i]->bi_bdev = bdev; + BIO_BI_SECTOR(dr->dr_bio[i]) = bio_offset >> 9; + dr->dr_bio[i]->bi_end_io = vdev_disk_physio_completion; + dr->dr_bio[i]->bi_private = dr; + bio_set_op_attrs(dr->dr_bio[i], rw, flags); + + /* Remaining size is returned to become the new size */ + bio_size = bio_map(dr->dr_bio[i], bio_ptr, bio_size); + + /* Advance in buffer and construct another bio if needed */ + bio_ptr += BIO_BI_SIZE(dr->dr_bio[i]); + bio_offset += BIO_BI_SIZE(dr->dr_bio[i]); + } + + /* Extra reference to protect dio_request during vdev_submit_bio */ + vdev_disk_dio_get(dr); + if (zio) + zio->io_delay = jiffies_64; + +#if defined(HAVE_BLK_QUEUE_HAVE_BLK_PLUG) + if (dr->dr_bio_count > 1) + blk_start_plug(&plug); +#endif + + /* Submit all bio's associated with this dio */ + for (i = 0; i < dr->dr_bio_count; i++) + if (dr->dr_bio[i]) + vdev_submit_bio(dr->dr_bio[i]); + +#if defined(HAVE_BLK_QUEUE_HAVE_BLK_PLUG) + if (dr->dr_bio_count > 1) + blk_finish_plug(&plug); +#endif + + (void) vdev_disk_dio_put(dr); + + return (error); +} + +BIO_END_IO_PROTO(vdev_disk_io_flush_completion, bio, rc) +{ + zio_t *zio = bio->bi_private; +#ifdef HAVE_1ARG_BIO_END_IO_T + int rc = bio->bi_error; +#endif + + zio->io_delay = jiffies_64 - zio->io_delay; + zio->io_error = -rc; + if (rc && (rc == -EOPNOTSUPP)) + zio->io_vd->vdev_nowritecache = B_TRUE; + + bio_put(bio); + ASSERT3S(zio->io_error, >=, 0); + if (zio->io_error) + vdev_disk_error(zio); + zio_interrupt(zio); +} + +static int +vdev_disk_io_flush(struct block_device *bdev, zio_t *zio) +{ + struct request_queue *q; + struct bio *bio; + + q = bdev_get_queue(bdev); + if (!q) + return (ENXIO); + + bio = bio_alloc(GFP_NOIO, 0); + /* bio_alloc() with __GFP_WAIT never returns NULL */ + if (unlikely(bio == NULL)) + return (ENOMEM); + + bio->bi_end_io = vdev_disk_io_flush_completion; + bio->bi_private = zio; + bio->bi_bdev = bdev; + zio->io_delay = jiffies_64; + bio_set_flush(bio); + vdev_submit_bio(bio); + invalidate_bdev(bdev); + + return (0); +} + +static void +vdev_disk_io_start(zio_t *zio) +{ + vdev_t *v = zio->io_vd; + vdev_disk_t *vd = v->vdev_tsd; + int rw, flags, error; + + switch (zio->io_type) { + case ZIO_TYPE_IOCTL: + + if (!vdev_readable(v)) { + zio->io_error = SET_ERROR(ENXIO); + zio_interrupt(zio); + return; + } + + switch (zio->io_cmd) { + case DKIOCFLUSHWRITECACHE: + + if (zfs_nocacheflush) + break; + + if (v->vdev_nowritecache) { + zio->io_error = SET_ERROR(ENOTSUP); + break; + } + + error = vdev_disk_io_flush(vd->vd_bdev, zio); + if (error == 0) + return; + + zio->io_error = error; + if (error == ENOTSUP) + v->vdev_nowritecache = B_TRUE; + + break; + + default: + zio->io_error = SET_ERROR(ENOTSUP); + } + + zio_execute(zio); + return; + case ZIO_TYPE_WRITE: + rw = WRITE; +#if defined(HAVE_BLK_QUEUE_HAVE_BIO_RW_UNPLUG) + flags = (1 << BIO_RW_UNPLUG); +#elif defined(REQ_UNPLUG) + flags = REQ_UNPLUG; +#else + flags = 0; +#endif + break; + + case ZIO_TYPE_READ: + rw = READ; +#if defined(HAVE_BLK_QUEUE_HAVE_BIO_RW_UNPLUG) + flags = (1 << BIO_RW_UNPLUG); +#elif defined(REQ_UNPLUG) + flags = REQ_UNPLUG; +#else + flags = 0; +#endif + break; + + default: + zio->io_error = SET_ERROR(ENOTSUP); + zio_interrupt(zio); + return; + } + + error = __vdev_disk_physio(vd->vd_bdev, zio, zio->io_data, + zio->io_size, zio->io_offset, rw, flags); + if (error) { + zio->io_error = error; + zio_interrupt(zio); + return; + } +} + +static void +vdev_disk_io_done(zio_t *zio) +{ + /* + * If the device returned EIO, we revalidate the media. If it is + * determined the media has changed this triggers the asynchronous + * removal of the device from the configuration. + */ + if (zio->io_error == EIO) { + vdev_t *v = zio->io_vd; + vdev_disk_t *vd = v->vdev_tsd; + + if (check_disk_change(vd->vd_bdev)) { + vdev_bdev_invalidate(vd->vd_bdev); + v->vdev_remove_wanted = B_TRUE; + spa_async_request(zio->io_spa, SPA_ASYNC_REMOVE); + } + } +} + +static void +vdev_disk_hold(vdev_t *vd) +{ + ASSERT(spa_config_held(vd->vdev_spa, SCL_STATE, RW_WRITER)); + + /* We must have a pathname, and it must be absolute. */ + if (vd->vdev_path == NULL || vd->vdev_path[0] != '/') + return; + + /* + * Only prefetch path and devid info if the device has + * never been opened. + */ + if (vd->vdev_tsd != NULL) + return; + + /* XXX: Implement me as a vnode lookup for the device */ + vd->vdev_name_vp = NULL; + vd->vdev_devid_vp = NULL; +} + +static void +vdev_disk_rele(vdev_t *vd) +{ + ASSERT(spa_config_held(vd->vdev_spa, SCL_STATE, RW_WRITER)); + + /* XXX: Implement me as a vnode rele for the device */ +} + +vdev_ops_t vdev_disk_ops = { + vdev_disk_open, + vdev_disk_close, + vdev_default_asize, + vdev_disk_io_start, + vdev_disk_io_done, + NULL, + vdev_disk_hold, + vdev_disk_rele, + VDEV_TYPE_DISK, /* name of this vdev type */ + B_TRUE /* leaf vdev */ +}; + +module_param(zfs_vdev_scheduler, charp, 0644); +MODULE_PARM_DESC(zfs_vdev_scheduler, "I/O scheduler"); diff --git a/zfs/module/zfs/vdev_file.c b/zfs/module/zfs/vdev_file.c new file mode 100644 index 000000000000..a29ea7bf9515 --- /dev/null +++ b/zfs/module/zfs/vdev_file.c @@ -0,0 +1,261 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Virtual device vector for files. + */ + +static void +vdev_file_hold(vdev_t *vd) +{ + ASSERT(vd->vdev_path != NULL); +} + +static void +vdev_file_rele(vdev_t *vd) +{ + ASSERT(vd->vdev_path != NULL); +} + +static int +vdev_file_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize, + uint64_t *ashift) +{ + vdev_file_t *vf; + vnode_t *vp; + vattr_t vattr; + int error; + + /* Rotational optimizations only make sense on block devices */ + vd->vdev_nonrot = B_TRUE; + + /* + * We must have a pathname, and it must be absolute. + */ + if (vd->vdev_path == NULL || vd->vdev_path[0] != '/') { + vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL; + return (SET_ERROR(EINVAL)); + } + + /* + * Reopen the device if it's not currently open. Otherwise, + * just update the physical size of the device. + */ + if (vd->vdev_tsd != NULL) { + ASSERT(vd->vdev_reopening); + vf = vd->vdev_tsd; + goto skip_open; + } + + vf = vd->vdev_tsd = kmem_zalloc(sizeof (vdev_file_t), KM_SLEEP); + + /* + * We always open the files from the root of the global zone, even if + * we're in a local zone. If the user has gotten to this point, the + * administrator has already decided that the pool should be available + * to local zone users, so the underlying devices should be as well. + */ + ASSERT(vd->vdev_path != NULL && vd->vdev_path[0] == '/'); + error = vn_openat(vd->vdev_path + 1, UIO_SYSSPACE, + spa_mode(vd->vdev_spa) | FOFFMAX, 0, &vp, 0, 0, rootdir, -1); + + if (error) { + vd->vdev_stat.vs_aux = VDEV_AUX_OPEN_FAILED; + return (error); + } + + vf->vf_vnode = vp; + +#ifdef _KERNEL + /* + * Make sure it's a regular file. + */ + if (vp->v_type != VREG) { + vd->vdev_stat.vs_aux = VDEV_AUX_OPEN_FAILED; + return (SET_ERROR(ENODEV)); + } +#endif + +skip_open: + /* + * Determine the physical size of the file. + */ + vattr.va_mask = AT_SIZE; + error = VOP_GETATTR(vf->vf_vnode, &vattr, 0, kcred, NULL); + if (error) { + vd->vdev_stat.vs_aux = VDEV_AUX_OPEN_FAILED; + return (error); + } + + *max_psize = *psize = vattr.va_size; + *ashift = SPA_MINBLOCKSHIFT; + + return (0); +} + +static void +vdev_file_close(vdev_t *vd) +{ + vdev_file_t *vf = vd->vdev_tsd; + + if (vd->vdev_reopening || vf == NULL) + return; + + if (vf->vf_vnode != NULL) { + (void) VOP_PUTPAGE(vf->vf_vnode, 0, 0, B_INVAL, kcred, NULL); + (void) VOP_CLOSE(vf->vf_vnode, spa_mode(vd->vdev_spa), 1, 0, + kcred, NULL); + } + + vd->vdev_delayed_close = B_FALSE; + kmem_free(vf, sizeof (vdev_file_t)); + vd->vdev_tsd = NULL; +} + +static void +vdev_file_io_strategy(void *arg) +{ + zio_t *zio = (zio_t *)arg; + vdev_t *vd = zio->io_vd; + vdev_file_t *vf = vd->vdev_tsd; + ssize_t resid; + + zio->io_error = vn_rdwr(zio->io_type == ZIO_TYPE_READ ? + UIO_READ : UIO_WRITE, vf->vf_vnode, zio->io_data, + zio->io_size, zio->io_offset, UIO_SYSSPACE, + 0, RLIM64_INFINITY, kcred, &resid); + + if (resid != 0 && zio->io_error == 0) + zio->io_error = SET_ERROR(ENOSPC); + + zio_interrupt(zio); +} + +static void +vdev_file_io_fsync(void *arg) +{ + zio_t *zio = (zio_t *)arg; + vdev_file_t *vf = zio->io_vd->vdev_tsd; + + zio->io_error = VOP_FSYNC(vf->vf_vnode, FSYNC | FDSYNC, kcred, NULL); + + zio_interrupt(zio); +} + +static void +vdev_file_io_start(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + vdev_file_t *vf = vd->vdev_tsd; + + if (zio->io_type == ZIO_TYPE_IOCTL) { + /* XXPOLICY */ + if (!vdev_readable(vd)) { + zio->io_error = SET_ERROR(ENXIO); + zio_interrupt(zio); + return; + } + + switch (zio->io_cmd) { + case DKIOCFLUSHWRITECACHE: + + if (zfs_nocacheflush) + break; + + /* + * We cannot safely call vfs_fsync() when PF_FSTRANS + * is set in the current context. Filesystems like + * XFS include sanity checks to verify it is not + * already set, see xfs_vm_writepage(). Therefore + * the sync must be dispatched to a different context. + */ + if (spl_fstrans_check()) { + VERIFY3U(taskq_dispatch(system_taskq, + vdev_file_io_fsync, zio, TQ_SLEEP), !=, 0); + return; + } + + zio->io_error = VOP_FSYNC(vf->vf_vnode, FSYNC | FDSYNC, + kcred, NULL); + break; + default: + zio->io_error = SET_ERROR(ENOTSUP); + } + + zio_execute(zio); + return; + } + + VERIFY3U(taskq_dispatch(system_taskq, vdev_file_io_strategy, zio, + TQ_SLEEP), !=, 0); +} + +/* ARGSUSED */ +static void +vdev_file_io_done(zio_t *zio) +{ +} + +vdev_ops_t vdev_file_ops = { + vdev_file_open, + vdev_file_close, + vdev_default_asize, + vdev_file_io_start, + vdev_file_io_done, + NULL, + vdev_file_hold, + vdev_file_rele, + VDEV_TYPE_FILE, /* name of this vdev type */ + B_TRUE /* leaf vdev */ +}; + +/* + * From userland we access disks just like files. + */ +#ifndef _KERNEL + +vdev_ops_t vdev_disk_ops = { + vdev_file_open, + vdev_file_close, + vdev_default_asize, + vdev_file_io_start, + vdev_file_io_done, + NULL, + vdev_file_hold, + vdev_file_rele, + VDEV_TYPE_DISK, /* name of this vdev type */ + B_TRUE /* leaf vdev */ +}; + +#endif diff --git a/zfs/module/zfs/vdev_label.c b/zfs/module/zfs/vdev_label.c new file mode 100644 index 000000000000..7f588ed6b0b5 --- /dev/null +++ b/zfs/module/zfs/vdev_label.c @@ -0,0 +1,1282 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +/* + * Virtual Device Labels + * --------------------- + * + * The vdev label serves several distinct purposes: + * + * 1. Uniquely identify this device as part of a ZFS pool and confirm its + * identity within the pool. + * + * 2. Verify that all the devices given in a configuration are present + * within the pool. + * + * 3. Determine the uberblock for the pool. + * + * 4. In case of an import operation, determine the configuration of the + * toplevel vdev of which it is a part. + * + * 5. If an import operation cannot find all the devices in the pool, + * provide enough information to the administrator to determine which + * devices are missing. + * + * It is important to note that while the kernel is responsible for writing the + * label, it only consumes the information in the first three cases. The + * latter information is only consumed in userland when determining the + * configuration to import a pool. + * + * + * Label Organization + * ------------------ + * + * Before describing the contents of the label, it's important to understand how + * the labels are written and updated with respect to the uberblock. + * + * When the pool configuration is altered, either because it was newly created + * or a device was added, we want to update all the labels such that we can deal + * with fatal failure at any point. To this end, each disk has two labels which + * are updated before and after the uberblock is synced. Assuming we have + * labels and an uberblock with the following transaction groups: + * + * L1 UB L2 + * +------+ +------+ +------+ + * | | | | | | + * | t10 | | t10 | | t10 | + * | | | | | | + * +------+ +------+ +------+ + * + * In this stable state, the labels and the uberblock were all updated within + * the same transaction group (10). Each label is mirrored and checksummed, so + * that we can detect when we fail partway through writing the label. + * + * In order to identify which labels are valid, the labels are written in the + * following manner: + * + * 1. For each vdev, update 'L1' to the new label + * 2. Update the uberblock + * 3. For each vdev, update 'L2' to the new label + * + * Given arbitrary failure, we can determine the correct label to use based on + * the transaction group. If we fail after updating L1 but before updating the + * UB, we will notice that L1's transaction group is greater than the uberblock, + * so L2 must be valid. If we fail after writing the uberblock but before + * writing L2, we will notice that L2's transaction group is less than L1, and + * therefore L1 is valid. + * + * Another added complexity is that not every label is updated when the config + * is synced. If we add a single device, we do not want to have to re-write + * every label for every device in the pool. This means that both L1 and L2 may + * be older than the pool uberblock, because the necessary information is stored + * on another vdev. + * + * + * On-disk Format + * -------------- + * + * The vdev label consists of two distinct parts, and is wrapped within the + * vdev_label_t structure. The label includes 8k of padding to permit legacy + * VTOC disk labels, but is otherwise ignored. + * + * The first half of the label is a packed nvlist which contains pool wide + * properties, per-vdev properties, and configuration information. It is + * described in more detail below. + * + * The latter half of the label consists of a redundant array of uberblocks. + * These uberblocks are updated whenever a transaction group is committed, + * or when the configuration is updated. When a pool is loaded, we scan each + * vdev for the 'best' uberblock. + * + * + * Configuration Information + * ------------------------- + * + * The nvlist describing the pool and vdev contains the following elements: + * + * version ZFS on-disk version + * name Pool name + * state Pool state + * txg Transaction group in which this label was written + * pool_guid Unique identifier for this pool + * vdev_tree An nvlist describing vdev tree. + * features_for_read + * An nvlist of the features necessary for reading the MOS. + * + * Each leaf device label also contains the following: + * + * top_guid Unique ID for top-level vdev in which this is contained + * guid Unique ID for the leaf vdev + * + * The 'vs' configuration follows the format described in 'spa_config.c'. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Basic routines to read and write from a vdev label. + * Used throughout the rest of this file. + */ +uint64_t +vdev_label_offset(uint64_t psize, int l, uint64_t offset) +{ + ASSERT(offset < sizeof (vdev_label_t)); + ASSERT(P2PHASE_TYPED(psize, sizeof (vdev_label_t), uint64_t) == 0); + + return (offset + l * sizeof (vdev_label_t) + (l < VDEV_LABELS / 2 ? + 0 : psize - VDEV_LABELS * sizeof (vdev_label_t))); +} + +/* + * Returns back the vdev label associated with the passed in offset. + */ +int +vdev_label_number(uint64_t psize, uint64_t offset) +{ + int l; + + if (offset >= psize - VDEV_LABEL_END_SIZE) { + offset -= psize - VDEV_LABEL_END_SIZE; + offset += (VDEV_LABELS / 2) * sizeof (vdev_label_t); + } + l = offset / sizeof (vdev_label_t); + return (l < VDEV_LABELS ? l : -1); +} + +static void +vdev_label_read(zio_t *zio, vdev_t *vd, int l, void *buf, uint64_t offset, + uint64_t size, zio_done_func_t *done, void *private, int flags) +{ + ASSERT(spa_config_held(zio->io_spa, SCL_STATE_ALL, RW_WRITER) == + SCL_STATE_ALL); + ASSERT(flags & ZIO_FLAG_CONFIG_WRITER); + + zio_nowait(zio_read_phys(zio, vd, + vdev_label_offset(vd->vdev_psize, l, offset), + size, buf, ZIO_CHECKSUM_LABEL, done, private, + ZIO_PRIORITY_SYNC_READ, flags, B_TRUE)); +} + +static void +vdev_label_write(zio_t *zio, vdev_t *vd, int l, void *buf, uint64_t offset, + uint64_t size, zio_done_func_t *done, void *private, int flags) +{ + ASSERT(spa_config_held(zio->io_spa, SCL_ALL, RW_WRITER) == SCL_ALL || + (spa_config_held(zio->io_spa, SCL_CONFIG | SCL_STATE, RW_READER) == + (SCL_CONFIG | SCL_STATE) && + dsl_pool_sync_context(spa_get_dsl(zio->io_spa)))); + ASSERT(flags & ZIO_FLAG_CONFIG_WRITER); + + zio_nowait(zio_write_phys(zio, vd, + vdev_label_offset(vd->vdev_psize, l, offset), + size, buf, ZIO_CHECKSUM_LABEL, done, private, + ZIO_PRIORITY_SYNC_WRITE, flags, B_TRUE)); +} + +/* + * Generate the nvlist representing this vdev's config. + */ +nvlist_t * +vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats, + vdev_config_flag_t flags) +{ + nvlist_t *nv = NULL; + + nv = fnvlist_alloc(); + + fnvlist_add_string(nv, ZPOOL_CONFIG_TYPE, vd->vdev_ops->vdev_op_type); + if (!(flags & (VDEV_CONFIG_SPARE | VDEV_CONFIG_L2CACHE))) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_ID, vd->vdev_id); + fnvlist_add_uint64(nv, ZPOOL_CONFIG_GUID, vd->vdev_guid); + + if (vd->vdev_path != NULL) + fnvlist_add_string(nv, ZPOOL_CONFIG_PATH, vd->vdev_path); + + if (vd->vdev_devid != NULL) + fnvlist_add_string(nv, ZPOOL_CONFIG_DEVID, vd->vdev_devid); + + if (vd->vdev_physpath != NULL) + fnvlist_add_string(nv, ZPOOL_CONFIG_PHYS_PATH, + vd->vdev_physpath); + + if (vd->vdev_fru != NULL) + fnvlist_add_string(nv, ZPOOL_CONFIG_FRU, vd->vdev_fru); + + if (vd->vdev_nparity != 0) { + ASSERT(strcmp(vd->vdev_ops->vdev_op_type, + VDEV_TYPE_RAIDZ) == 0); + + /* + * Make sure someone hasn't managed to sneak a fancy new vdev + * into a crufty old storage pool. + */ + ASSERT(vd->vdev_nparity == 1 || + (vd->vdev_nparity <= 2 && + spa_version(spa) >= SPA_VERSION_RAIDZ2) || + (vd->vdev_nparity <= 3 && + spa_version(spa) >= SPA_VERSION_RAIDZ3)); + + /* + * Note that we'll add the nparity tag even on storage pools + * that only support a single parity device -- older software + * will just ignore it. + */ + fnvlist_add_uint64(nv, ZPOOL_CONFIG_NPARITY, vd->vdev_nparity); + } + + if (vd->vdev_wholedisk != -1ULL) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, + vd->vdev_wholedisk); + + if (vd->vdev_not_present) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1); + + if (vd->vdev_isspare) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_IS_SPARE, 1); + + if (!(flags & (VDEV_CONFIG_SPARE | VDEV_CONFIG_L2CACHE)) && + vd == vd->vdev_top) { + fnvlist_add_uint64(nv, ZPOOL_CONFIG_METASLAB_ARRAY, + vd->vdev_ms_array); + fnvlist_add_uint64(nv, ZPOOL_CONFIG_METASLAB_SHIFT, + vd->vdev_ms_shift); + fnvlist_add_uint64(nv, ZPOOL_CONFIG_ASHIFT, vd->vdev_ashift); + fnvlist_add_uint64(nv, ZPOOL_CONFIG_ASIZE, + vd->vdev_asize); + fnvlist_add_uint64(nv, ZPOOL_CONFIG_IS_LOG, vd->vdev_islog); + if (vd->vdev_removing) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_REMOVING, + vd->vdev_removing); + } + + if (vd->vdev_dtl_sm != NULL) { + fnvlist_add_uint64(nv, ZPOOL_CONFIG_DTL, + space_map_object(vd->vdev_dtl_sm)); + } + + if (vd->vdev_crtxg) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_CREATE_TXG, vd->vdev_crtxg); + + if (getstats) { + vdev_stat_t vs; + pool_scan_stat_t ps; + + vdev_get_stats(vd, &vs); + fnvlist_add_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, + (uint64_t *)&vs, sizeof (vs) / sizeof (uint64_t)); + + /* provide either current or previous scan information */ + if (spa_scan_get_stats(spa, &ps) == 0) { + fnvlist_add_uint64_array(nv, + ZPOOL_CONFIG_SCAN_STATS, (uint64_t *)&ps, + sizeof (pool_scan_stat_t) / sizeof (uint64_t)); + } + } + + if (!vd->vdev_ops->vdev_op_leaf) { + nvlist_t **child; + int c, idx; + + ASSERT(!vd->vdev_ishole); + + child = kmem_alloc(vd->vdev_children * sizeof (nvlist_t *), + KM_SLEEP); + + for (c = 0, idx = 0; c < vd->vdev_children; c++) { + vdev_t *cvd = vd->vdev_child[c]; + + /* + * If we're generating an nvlist of removing + * vdevs then skip over any device which is + * not being removed. + */ + if ((flags & VDEV_CONFIG_REMOVING) && + !cvd->vdev_removing) + continue; + + child[idx++] = vdev_config_generate(spa, cvd, + getstats, flags); + } + + if (idx) { + fnvlist_add_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, + child, idx); + } + + for (c = 0; c < idx; c++) + nvlist_free(child[c]); + + kmem_free(child, vd->vdev_children * sizeof (nvlist_t *)); + + } else { + const char *aux = NULL; + + if (vd->vdev_offline && !vd->vdev_tmpoffline) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_OFFLINE, B_TRUE); + if (vd->vdev_resilver_txg != 0) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_RESILVER_TXG, + vd->vdev_resilver_txg); + if (vd->vdev_faulted) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_FAULTED, B_TRUE); + if (vd->vdev_degraded) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_DEGRADED, B_TRUE); + if (vd->vdev_removed) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_REMOVED, B_TRUE); + if (vd->vdev_unspare) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_UNSPARE, B_TRUE); + if (vd->vdev_ishole) + fnvlist_add_uint64(nv, ZPOOL_CONFIG_IS_HOLE, B_TRUE); + + switch (vd->vdev_stat.vs_aux) { + case VDEV_AUX_ERR_EXCEEDED: + aux = "err_exceeded"; + break; + + case VDEV_AUX_EXTERNAL: + aux = "external"; + break; + } + + if (aux != NULL) + fnvlist_add_string(nv, ZPOOL_CONFIG_AUX_STATE, aux); + + if (vd->vdev_splitting && vd->vdev_orig_guid != 0LL) { + fnvlist_add_uint64(nv, ZPOOL_CONFIG_ORIG_GUID, + vd->vdev_orig_guid); + } + } + + return (nv); +} + +/* + * Generate a view of the top-level vdevs. If we currently have holes + * in the namespace, then generate an array which contains a list of holey + * vdevs. Additionally, add the number of top-level children that currently + * exist. + */ +void +vdev_top_config_generate(spa_t *spa, nvlist_t *config) +{ + vdev_t *rvd = spa->spa_root_vdev; + uint64_t *array; + uint_t c, idx; + + array = kmem_alloc(rvd->vdev_children * sizeof (uint64_t), KM_SLEEP); + + for (c = 0, idx = 0; c < rvd->vdev_children; c++) { + vdev_t *tvd = rvd->vdev_child[c]; + + if (tvd->vdev_ishole) + array[idx++] = c; + } + + if (idx) { + VERIFY(nvlist_add_uint64_array(config, ZPOOL_CONFIG_HOLE_ARRAY, + array, idx) == 0); + } + + VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_VDEV_CHILDREN, + rvd->vdev_children) == 0); + + kmem_free(array, rvd->vdev_children * sizeof (uint64_t)); +} + +/* + * Returns the configuration from the label of the given vdev. For vdevs + * which don't have a txg value stored on their label (i.e. spares/cache) + * or have not been completely initialized (txg = 0) just return + * the configuration from the first valid label we find. Otherwise, + * find the most up-to-date label that does not exceed the specified + * 'txg' value. + */ +nvlist_t * +vdev_label_read_config(vdev_t *vd, uint64_t txg) +{ + spa_t *spa = vd->vdev_spa; + nvlist_t *config = NULL; + vdev_phys_t *vp; + zio_t *zio; + uint64_t best_txg = 0; + int error = 0; + int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL | + ZIO_FLAG_SPECULATIVE; + int l; + + ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL); + + if (!vdev_readable(vd)) + return (NULL); + + vp = zio_buf_alloc(sizeof (vdev_phys_t)); + +retry: + for (l = 0; l < VDEV_LABELS; l++) { + nvlist_t *label = NULL; + + zio = zio_root(spa, NULL, NULL, flags); + + vdev_label_read(zio, vd, l, vp, + offsetof(vdev_label_t, vl_vdev_phys), + sizeof (vdev_phys_t), NULL, NULL, flags); + + if (zio_wait(zio) == 0 && + nvlist_unpack(vp->vp_nvlist, sizeof (vp->vp_nvlist), + &label, 0) == 0) { + uint64_t label_txg = 0; + + /* + * Auxiliary vdevs won't have txg values in their + * labels and newly added vdevs may not have been + * completely initialized so just return the + * configuration from the first valid label we + * encounter. + */ + error = nvlist_lookup_uint64(label, + ZPOOL_CONFIG_POOL_TXG, &label_txg); + if ((error || label_txg == 0) && !config) { + config = label; + break; + } else if (label_txg <= txg && label_txg > best_txg) { + best_txg = label_txg; + nvlist_free(config); + config = fnvlist_dup(label); + } + } + + if (label != NULL) { + nvlist_free(label); + label = NULL; + } + } + + if (config == NULL && !(flags & ZIO_FLAG_TRYHARD)) { + flags |= ZIO_FLAG_TRYHARD; + goto retry; + } + + zio_buf_free(vp, sizeof (vdev_phys_t)); + + return (config); +} + +/* + * Determine if a device is in use. The 'spare_guid' parameter will be filled + * in with the device guid if this spare is active elsewhere on the system. + */ +static boolean_t +vdev_inuse(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason, + uint64_t *spare_guid, uint64_t *l2cache_guid) +{ + spa_t *spa = vd->vdev_spa; + uint64_t state, pool_guid, device_guid, txg, spare_pool; + uint64_t vdtxg = 0; + nvlist_t *label; + + if (spare_guid) + *spare_guid = 0ULL; + if (l2cache_guid) + *l2cache_guid = 0ULL; + + /* + * Read the label, if any, and perform some basic sanity checks. + */ + if ((label = vdev_label_read_config(vd, -1ULL)) == NULL) + return (B_FALSE); + + (void) nvlist_lookup_uint64(label, ZPOOL_CONFIG_CREATE_TXG, + &vdtxg); + + if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_STATE, + &state) != 0 || + nvlist_lookup_uint64(label, ZPOOL_CONFIG_GUID, + &device_guid) != 0) { + nvlist_free(label); + return (B_FALSE); + } + + if (state != POOL_STATE_SPARE && state != POOL_STATE_L2CACHE && + (nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_GUID, + &pool_guid) != 0 || + nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_TXG, + &txg) != 0)) { + nvlist_free(label); + return (B_FALSE); + } + + nvlist_free(label); + + /* + * Check to see if this device indeed belongs to the pool it claims to + * be a part of. The only way this is allowed is if the device is a hot + * spare (which we check for later on). + */ + if (state != POOL_STATE_SPARE && state != POOL_STATE_L2CACHE && + !spa_guid_exists(pool_guid, device_guid) && + !spa_spare_exists(device_guid, NULL, NULL) && + !spa_l2cache_exists(device_guid, NULL)) + return (B_FALSE); + + /* + * If the transaction group is zero, then this an initialized (but + * unused) label. This is only an error if the create transaction + * on-disk is the same as the one we're using now, in which case the + * user has attempted to add the same vdev multiple times in the same + * transaction. + */ + if (state != POOL_STATE_SPARE && state != POOL_STATE_L2CACHE && + txg == 0 && vdtxg == crtxg) + return (B_TRUE); + + /* + * Check to see if this is a spare device. We do an explicit check for + * spa_has_spare() here because it may be on our pending list of spares + * to add. We also check if it is an l2cache device. + */ + if (spa_spare_exists(device_guid, &spare_pool, NULL) || + spa_has_spare(spa, device_guid)) { + if (spare_guid) + *spare_guid = device_guid; + + switch (reason) { + case VDEV_LABEL_CREATE: + case VDEV_LABEL_L2CACHE: + return (B_TRUE); + + case VDEV_LABEL_REPLACE: + return (!spa_has_spare(spa, device_guid) || + spare_pool != 0ULL); + + case VDEV_LABEL_SPARE: + return (spa_has_spare(spa, device_guid)); + default: + break; + } + } + + /* + * Check to see if this is an l2cache device. + */ + if (spa_l2cache_exists(device_guid, NULL)) + return (B_TRUE); + + /* + * We can't rely on a pool's state if it's been imported + * read-only. Instead we look to see if the pools is marked + * read-only in the namespace and set the state to active. + */ + if (state != POOL_STATE_SPARE && state != POOL_STATE_L2CACHE && + (spa = spa_by_guid(pool_guid, device_guid)) != NULL && + spa_mode(spa) == FREAD) + state = POOL_STATE_ACTIVE; + + /* + * If the device is marked ACTIVE, then this device is in use by another + * pool on the system. + */ + return (state == POOL_STATE_ACTIVE); +} + +/* + * Initialize a vdev label. We check to make sure each leaf device is not in + * use, and writable. We put down an initial label which we will later + * overwrite with a complete label. Note that it's important to do this + * sequentially, not in parallel, so that we catch cases of multiple use of the + * same leaf vdev in the vdev we're creating -- e.g. mirroring a disk with + * itself. + */ +int +vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason) +{ + spa_t *spa = vd->vdev_spa; + nvlist_t *label; + vdev_phys_t *vp; + char *pad2; + uberblock_t *ub; + zio_t *zio; + char *buf; + size_t buflen; + int error; + uint64_t spare_guid = 0, l2cache_guid = 0; + int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL; + int c, l; + vdev_t *pvd; + + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); + + for (c = 0; c < vd->vdev_children; c++) + if ((error = vdev_label_init(vd->vdev_child[c], + crtxg, reason)) != 0) + return (error); + + /* Track the creation time for this vdev */ + vd->vdev_crtxg = crtxg; + + if (!vd->vdev_ops->vdev_op_leaf || !spa_writeable(spa)) + return (0); + + /* + * Dead vdevs cannot be initialized. + */ + if (vdev_is_dead(vd)) + return (SET_ERROR(EIO)); + + /* + * Determine if the vdev is in use. + */ + if (reason != VDEV_LABEL_REMOVE && reason != VDEV_LABEL_SPLIT && + vdev_inuse(vd, crtxg, reason, &spare_guid, &l2cache_guid)) + return (SET_ERROR(EBUSY)); + + /* + * If this is a request to add or replace a spare or l2cache device + * that is in use elsewhere on the system, then we must update the + * guid (which was initialized to a random value) to reflect the + * actual GUID (which is shared between multiple pools). + */ + if (reason != VDEV_LABEL_REMOVE && reason != VDEV_LABEL_L2CACHE && + spare_guid != 0ULL) { + uint64_t guid_delta = spare_guid - vd->vdev_guid; + + vd->vdev_guid += guid_delta; + + for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent) + pvd->vdev_guid_sum += guid_delta; + + /* + * If this is a replacement, then we want to fallthrough to the + * rest of the code. If we're adding a spare, then it's already + * labeled appropriately and we can just return. + */ + if (reason == VDEV_LABEL_SPARE) + return (0); + ASSERT(reason == VDEV_LABEL_REPLACE || + reason == VDEV_LABEL_SPLIT); + } + + if (reason != VDEV_LABEL_REMOVE && reason != VDEV_LABEL_SPARE && + l2cache_guid != 0ULL) { + uint64_t guid_delta = l2cache_guid - vd->vdev_guid; + + vd->vdev_guid += guid_delta; + + for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent) + pvd->vdev_guid_sum += guid_delta; + + /* + * If this is a replacement, then we want to fallthrough to the + * rest of the code. If we're adding an l2cache, then it's + * already labeled appropriately and we can just return. + */ + if (reason == VDEV_LABEL_L2CACHE) + return (0); + ASSERT(reason == VDEV_LABEL_REPLACE); + } + + /* + * Initialize its label. + */ + vp = zio_buf_alloc(sizeof (vdev_phys_t)); + bzero(vp, sizeof (vdev_phys_t)); + + /* + * Generate a label describing the pool and our top-level vdev. + * We mark it as being from txg 0 to indicate that it's not + * really part of an active pool just yet. The labels will + * be written again with a meaningful txg by spa_sync(). + */ + if (reason == VDEV_LABEL_SPARE || + (reason == VDEV_LABEL_REMOVE && vd->vdev_isspare)) { + /* + * For inactive hot spares, we generate a special label that + * identifies as a mutually shared hot spare. We write the + * label if we are adding a hot spare, or if we are removing an + * active hot spare (in which case we want to revert the + * labels). + */ + VERIFY(nvlist_alloc(&label, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_VERSION, + spa_version(spa)) == 0); + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_POOL_STATE, + POOL_STATE_SPARE) == 0); + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_GUID, + vd->vdev_guid) == 0); + } else if (reason == VDEV_LABEL_L2CACHE || + (reason == VDEV_LABEL_REMOVE && vd->vdev_isl2cache)) { + /* + * For level 2 ARC devices, add a special label. + */ + VERIFY(nvlist_alloc(&label, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_VERSION, + spa_version(spa)) == 0); + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_POOL_STATE, + POOL_STATE_L2CACHE) == 0); + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_GUID, + vd->vdev_guid) == 0); + } else { + uint64_t txg = 0ULL; + + if (reason == VDEV_LABEL_SPLIT) + txg = spa->spa_uberblock.ub_txg; + label = spa_config_generate(spa, vd, txg, B_FALSE); + + /* + * Add our creation time. This allows us to detect multiple + * vdev uses as described above, and automatically expires if we + * fail. + */ + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_CREATE_TXG, + crtxg) == 0); + } + + buf = vp->vp_nvlist; + buflen = sizeof (vp->vp_nvlist); + + error = nvlist_pack(label, &buf, &buflen, NV_ENCODE_XDR, KM_SLEEP); + if (error != 0) { + nvlist_free(label); + zio_buf_free(vp, sizeof (vdev_phys_t)); + /* EFAULT means nvlist_pack ran out of room */ + return (error == EFAULT ? ENAMETOOLONG : EINVAL); + } + + /* + * Initialize uberblock template. + */ + ub = zio_buf_alloc(VDEV_UBERBLOCK_RING); + bzero(ub, VDEV_UBERBLOCK_RING); + *ub = spa->spa_uberblock; + ub->ub_txg = 0; + + /* Initialize the 2nd padding area. */ + pad2 = zio_buf_alloc(VDEV_PAD_SIZE); + bzero(pad2, VDEV_PAD_SIZE); + + /* + * Write everything in parallel. + */ +retry: + zio = zio_root(spa, NULL, NULL, flags); + + for (l = 0; l < VDEV_LABELS; l++) { + + vdev_label_write(zio, vd, l, vp, + offsetof(vdev_label_t, vl_vdev_phys), + sizeof (vdev_phys_t), NULL, NULL, flags); + + /* + * Skip the 1st padding area. + * Zero out the 2nd padding area where it might have + * left over data from previous filesystem format. + */ + vdev_label_write(zio, vd, l, pad2, + offsetof(vdev_label_t, vl_pad2), + VDEV_PAD_SIZE, NULL, NULL, flags); + + vdev_label_write(zio, vd, l, ub, + offsetof(vdev_label_t, vl_uberblock), + VDEV_UBERBLOCK_RING, NULL, NULL, flags); + } + + error = zio_wait(zio); + + if (error != 0 && !(flags & ZIO_FLAG_TRYHARD)) { + flags |= ZIO_FLAG_TRYHARD; + goto retry; + } + + nvlist_free(label); + zio_buf_free(pad2, VDEV_PAD_SIZE); + zio_buf_free(ub, VDEV_UBERBLOCK_RING); + zio_buf_free(vp, sizeof (vdev_phys_t)); + + /* + * If this vdev hasn't been previously identified as a spare, then we + * mark it as such only if a) we are labeling it as a spare, or b) it + * exists as a spare elsewhere in the system. Do the same for + * level 2 ARC devices. + */ + if (error == 0 && !vd->vdev_isspare && + (reason == VDEV_LABEL_SPARE || + spa_spare_exists(vd->vdev_guid, NULL, NULL))) + spa_spare_add(vd); + + if (error == 0 && !vd->vdev_isl2cache && + (reason == VDEV_LABEL_L2CACHE || + spa_l2cache_exists(vd->vdev_guid, NULL))) + spa_l2cache_add(vd); + + return (error); +} + +/* + * ========================================================================== + * uberblock load/sync + * ========================================================================== + */ + +/* + * Consider the following situation: txg is safely synced to disk. We've + * written the first uberblock for txg + 1, and then we lose power. When we + * come back up, we fail to see the uberblock for txg + 1 because, say, + * it was on a mirrored device and the replica to which we wrote txg + 1 + * is now offline. If we then make some changes and sync txg + 1, and then + * the missing replica comes back, then for a few seconds we'll have two + * conflicting uberblocks on disk with the same txg. The solution is simple: + * among uberblocks with equal txg, choose the one with the latest timestamp. + */ +static int +vdev_uberblock_compare(uberblock_t *ub1, uberblock_t *ub2) +{ + if (ub1->ub_txg < ub2->ub_txg) + return (-1); + if (ub1->ub_txg > ub2->ub_txg) + return (1); + + if (ub1->ub_timestamp < ub2->ub_timestamp) + return (-1); + if (ub1->ub_timestamp > ub2->ub_timestamp) + return (1); + + return (0); +} + +struct ubl_cbdata { + uberblock_t *ubl_ubbest; /* Best uberblock */ + vdev_t *ubl_vd; /* vdev associated with the above */ +}; + +static void +vdev_uberblock_load_done(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + spa_t *spa = zio->io_spa; + zio_t *rio = zio->io_private; + uberblock_t *ub = zio->io_data; + struct ubl_cbdata *cbp = rio->io_private; + + ASSERT3U(zio->io_size, ==, VDEV_UBERBLOCK_SIZE(vd)); + + if (zio->io_error == 0 && uberblock_verify(ub) == 0) { + mutex_enter(&rio->io_lock); + if (ub->ub_txg <= spa->spa_load_max_txg && + vdev_uberblock_compare(ub, cbp->ubl_ubbest) > 0) { + /* + * Keep track of the vdev in which this uberblock + * was found. We will use this information later + * to obtain the config nvlist associated with + * this uberblock. + */ + *cbp->ubl_ubbest = *ub; + cbp->ubl_vd = vd; + } + mutex_exit(&rio->io_lock); + } + + zio_buf_free(zio->io_data, zio->io_size); +} + +static void +vdev_uberblock_load_impl(zio_t *zio, vdev_t *vd, int flags, + struct ubl_cbdata *cbp) +{ + int c, l, n; + + for (c = 0; c < vd->vdev_children; c++) + vdev_uberblock_load_impl(zio, vd->vdev_child[c], flags, cbp); + + if (vd->vdev_ops->vdev_op_leaf && vdev_readable(vd)) { + for (l = 0; l < VDEV_LABELS; l++) { + for (n = 0; n < VDEV_UBERBLOCK_COUNT(vd); n++) { + vdev_label_read(zio, vd, l, + zio_buf_alloc(VDEV_UBERBLOCK_SIZE(vd)), + VDEV_UBERBLOCK_OFFSET(vd, n), + VDEV_UBERBLOCK_SIZE(vd), + vdev_uberblock_load_done, zio, flags); + } + } + } +} + +/* + * Reads the 'best' uberblock from disk along with its associated + * configuration. First, we read the uberblock array of each label of each + * vdev, keeping track of the uberblock with the highest txg in each array. + * Then, we read the configuration from the same vdev as the best uberblock. + */ +void +vdev_uberblock_load(vdev_t *rvd, uberblock_t *ub, nvlist_t **config) +{ + zio_t *zio; + spa_t *spa = rvd->vdev_spa; + struct ubl_cbdata cb; + int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL | + ZIO_FLAG_SPECULATIVE | ZIO_FLAG_TRYHARD; + + ASSERT(ub); + ASSERT(config); + + bzero(ub, sizeof (uberblock_t)); + *config = NULL; + + cb.ubl_ubbest = ub; + cb.ubl_vd = NULL; + + spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); + zio = zio_root(spa, NULL, &cb, flags); + vdev_uberblock_load_impl(zio, rvd, flags, &cb); + (void) zio_wait(zio); + + /* + * It's possible that the best uberblock was discovered on a label + * that has a configuration which was written in a future txg. + * Search all labels on this vdev to find the configuration that + * matches the txg for our uberblock. + */ + if (cb.ubl_vd != NULL) + *config = vdev_label_read_config(cb.ubl_vd, ub->ub_txg); + spa_config_exit(spa, SCL_ALL, FTAG); +} + +/* + * On success, increment root zio's count of good writes. + * We only get credit for writes to known-visible vdevs; see spa_vdev_add(). + */ +static void +vdev_uberblock_sync_done(zio_t *zio) +{ + uint64_t *good_writes = zio->io_private; + + if (zio->io_error == 0 && zio->io_vd->vdev_top->vdev_ms_array != 0) + atomic_add_64(good_writes, 1); +} + +/* + * Write the uberblock to all labels of all leaves of the specified vdev. + */ +static void +vdev_uberblock_sync(zio_t *zio, uberblock_t *ub, vdev_t *vd, int flags) +{ + uberblock_t *ubbuf; + int c, l, n; + + for (c = 0; c < vd->vdev_children; c++) + vdev_uberblock_sync(zio, ub, vd->vdev_child[c], flags); + + if (!vd->vdev_ops->vdev_op_leaf) + return; + + if (!vdev_writeable(vd)) + return; + + n = ub->ub_txg & (VDEV_UBERBLOCK_COUNT(vd) - 1); + + ubbuf = zio_buf_alloc(VDEV_UBERBLOCK_SIZE(vd)); + bzero(ubbuf, VDEV_UBERBLOCK_SIZE(vd)); + *ubbuf = *ub; + + for (l = 0; l < VDEV_LABELS; l++) + vdev_label_write(zio, vd, l, ubbuf, + VDEV_UBERBLOCK_OFFSET(vd, n), VDEV_UBERBLOCK_SIZE(vd), + vdev_uberblock_sync_done, zio->io_private, + flags | ZIO_FLAG_DONT_PROPAGATE); + + zio_buf_free(ubbuf, VDEV_UBERBLOCK_SIZE(vd)); +} + +/* Sync the uberblocks to all vdevs in svd[] */ +int +vdev_uberblock_sync_list(vdev_t **svd, int svdcount, uberblock_t *ub, int flags) +{ + spa_t *spa = svd[0]->vdev_spa; + zio_t *zio; + uint64_t good_writes = 0; + int v; + + zio = zio_root(spa, NULL, &good_writes, flags); + + for (v = 0; v < svdcount; v++) + vdev_uberblock_sync(zio, ub, svd[v], flags); + + (void) zio_wait(zio); + + /* + * Flush the uberblocks to disk. This ensures that the odd labels + * are no longer needed (because the new uberblocks and the even + * labels are safely on disk), so it is safe to overwrite them. + */ + zio = zio_root(spa, NULL, NULL, flags); + + for (v = 0; v < svdcount; v++) + zio_flush(zio, svd[v]); + + (void) zio_wait(zio); + + return (good_writes >= 1 ? 0 : EIO); +} + +/* + * On success, increment the count of good writes for our top-level vdev. + */ +static void +vdev_label_sync_done(zio_t *zio) +{ + uint64_t *good_writes = zio->io_private; + + if (zio->io_error == 0) + atomic_add_64(good_writes, 1); +} + +/* + * If there weren't enough good writes, indicate failure to the parent. + */ +static void +vdev_label_sync_top_done(zio_t *zio) +{ + uint64_t *good_writes = zio->io_private; + + if (*good_writes == 0) + zio->io_error = SET_ERROR(EIO); + + kmem_free(good_writes, sizeof (uint64_t)); +} + +/* + * We ignore errors for log and cache devices, simply free the private data. + */ +static void +vdev_label_sync_ignore_done(zio_t *zio) +{ + kmem_free(zio->io_private, sizeof (uint64_t)); +} + +/* + * Write all even or odd labels to all leaves of the specified vdev. + */ +static void +vdev_label_sync(zio_t *zio, vdev_t *vd, int l, uint64_t txg, int flags) +{ + nvlist_t *label; + vdev_phys_t *vp; + char *buf; + size_t buflen; + int c; + + for (c = 0; c < vd->vdev_children; c++) + vdev_label_sync(zio, vd->vdev_child[c], l, txg, flags); + + if (!vd->vdev_ops->vdev_op_leaf) + return; + + if (!vdev_writeable(vd)) + return; + + /* + * Generate a label describing the top-level config to which we belong. + */ + label = spa_config_generate(vd->vdev_spa, vd, txg, B_FALSE); + + vp = zio_buf_alloc(sizeof (vdev_phys_t)); + bzero(vp, sizeof (vdev_phys_t)); + + buf = vp->vp_nvlist; + buflen = sizeof (vp->vp_nvlist); + + if (!nvlist_pack(label, &buf, &buflen, NV_ENCODE_XDR, KM_SLEEP)) { + for (; l < VDEV_LABELS; l += 2) { + vdev_label_write(zio, vd, l, vp, + offsetof(vdev_label_t, vl_vdev_phys), + sizeof (vdev_phys_t), + vdev_label_sync_done, zio->io_private, + flags | ZIO_FLAG_DONT_PROPAGATE); + } + } + + zio_buf_free(vp, sizeof (vdev_phys_t)); + nvlist_free(label); +} + +int +vdev_label_sync_list(spa_t *spa, int l, uint64_t txg, int flags) +{ + list_t *dl = &spa->spa_config_dirty_list; + vdev_t *vd; + zio_t *zio; + int error; + + /* + * Write the new labels to disk. + */ + zio = zio_root(spa, NULL, NULL, flags); + + for (vd = list_head(dl); vd != NULL; vd = list_next(dl, vd)) { + uint64_t *good_writes; + zio_t *vio; + + ASSERT(!vd->vdev_ishole); + + good_writes = kmem_zalloc(sizeof (uint64_t), KM_SLEEP); + vio = zio_null(zio, spa, NULL, + (vd->vdev_islog || vd->vdev_aux != NULL) ? + vdev_label_sync_ignore_done : vdev_label_sync_top_done, + good_writes, flags); + vdev_label_sync(vio, vd, l, txg, flags); + zio_nowait(vio); + } + + error = zio_wait(zio); + + /* + * Flush the new labels to disk. + */ + zio = zio_root(spa, NULL, NULL, flags); + + for (vd = list_head(dl); vd != NULL; vd = list_next(dl, vd)) + zio_flush(zio, vd); + + (void) zio_wait(zio); + + return (error); +} + +/* + * Sync the uberblock and any changes to the vdev configuration. + * + * The order of operations is carefully crafted to ensure that + * if the system panics or loses power at any time, the state on disk + * is still transactionally consistent. The in-line comments below + * describe the failure semantics at each stage. + * + * Moreover, vdev_config_sync() is designed to be idempotent: if it fails + * at any time, you can just call it again, and it will resume its work. + */ +int +vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg, boolean_t tryhard) +{ + spa_t *spa = svd[0]->vdev_spa; + uberblock_t *ub = &spa->spa_uberblock; + vdev_t *vd; + zio_t *zio; + int error; + int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL; + + /* + * Normally, we don't want to try too hard to write every label and + * uberblock. If there is a flaky disk, we don't want the rest of the + * sync process to block while we retry. But if we can't write a + * single label out, we should retry with ZIO_FLAG_TRYHARD before + * bailing out and declaring the pool faulted. + */ + if (tryhard) + flags |= ZIO_FLAG_TRYHARD; + + ASSERT(ub->ub_txg <= txg); + + /* + * If this isn't a resync due to I/O errors, + * and nothing changed in this transaction group, + * and the vdev configuration hasn't changed, + * then there's nothing to do. + */ + if (ub->ub_txg < txg && + uberblock_update(ub, spa->spa_root_vdev, txg) == B_FALSE && + list_is_empty(&spa->spa_config_dirty_list)) + return (0); + + if (txg > spa_freeze_txg(spa)) + return (0); + + ASSERT(txg <= spa->spa_final_txg); + + /* + * Flush the write cache of every disk that's been written to + * in this transaction group. This ensures that all blocks + * written in this txg will be committed to stable storage + * before any uberblock that references them. + */ + zio = zio_root(spa, NULL, NULL, flags); + + for (vd = txg_list_head(&spa->spa_vdev_txg_list, TXG_CLEAN(txg)); vd; + vd = txg_list_next(&spa->spa_vdev_txg_list, vd, TXG_CLEAN(txg))) + zio_flush(zio, vd); + + (void) zio_wait(zio); + + /* + * Sync out the even labels (L0, L2) for every dirty vdev. If the + * system dies in the middle of this process, that's OK: all of the + * even labels that made it to disk will be newer than any uberblock, + * and will therefore be considered invalid. The odd labels (L1, L3), + * which have not yet been touched, will still be valid. We flush + * the new labels to disk to ensure that all even-label updates + * are committed to stable storage before the uberblock update. + */ + if ((error = vdev_label_sync_list(spa, 0, txg, flags)) != 0) + return (error); + + /* + * Sync the uberblocks to all vdevs in svd[]. + * If the system dies in the middle of this step, there are two cases + * to consider, and the on-disk state is consistent either way: + * + * (1) If none of the new uberblocks made it to disk, then the + * previous uberblock will be the newest, and the odd labels + * (which had not yet been touched) will be valid with respect + * to that uberblock. + * + * (2) If one or more new uberblocks made it to disk, then they + * will be the newest, and the even labels (which had all + * been successfully committed) will be valid with respect + * to the new uberblocks. + */ + if ((error = vdev_uberblock_sync_list(svd, svdcount, ub, flags)) != 0) + return (error); + + /* + * Sync out odd labels for every dirty vdev. If the system dies + * in the middle of this process, the even labels and the new + * uberblocks will suffice to open the pool. The next time + * the pool is opened, the first thing we'll do -- before any + * user data is modified -- is mark every vdev dirty so that + * all labels will be brought up to date. We flush the new labels + * to disk to ensure that all odd-label updates are committed to + * stable storage before the next transaction group begins. + */ + return (vdev_label_sync_list(spa, 1, txg, flags)); +} diff --git a/zfs/module/zfs/vdev_mirror.c b/zfs/module/zfs/vdev_mirror.c new file mode 100644 index 000000000000..6b699e883e37 --- /dev/null +++ b/zfs/module/zfs/vdev_mirror.c @@ -0,0 +1,564 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include + +/* + * Virtual device vector for mirroring. + */ + +typedef struct mirror_child { + vdev_t *mc_vd; + uint64_t mc_offset; + int mc_error; + int mc_pending; + uint8_t mc_tried; + uint8_t mc_skipped; + uint8_t mc_speculative; +} mirror_child_t; + +typedef struct mirror_map { + int mm_children; + int mm_replacing; + int mm_preferred; + int mm_root; + mirror_child_t mm_child[1]; +} mirror_map_t; + +/* + * When the children are equally busy queue incoming requests to a single + * child for N microseconds. This is done to maximize the likelihood that + * the Linux elevator will be able to merge requests while it is plugged. + * Otherwise, requests are queued to the least busy device. + * + * For rotational disks the Linux elevator will plug for 10ms which is + * why zfs_vdev_mirror_switch_us is set to 10ms by default. For non- + * rotational disks the elevator will not plug, but 10ms is still a small + * enough value that the requests will get spread over all the children. + * + * For fast SSDs it may make sense to decrease zfs_vdev_mirror_switch_us + * significantly to bound the worst case latencies. It would probably be + * ideal to calculate a decaying average of the last observed latencies and + * use that to dynamically adjust the zfs_vdev_mirror_switch_us time. + */ +int zfs_vdev_mirror_switch_us = 10000; + +static void +vdev_mirror_map_free(zio_t *zio) +{ + mirror_map_t *mm = zio->io_vsd; + + kmem_free(mm, offsetof(mirror_map_t, mm_child[mm->mm_children])); +} + +static const zio_vsd_ops_t vdev_mirror_vsd_ops = { + vdev_mirror_map_free, + zio_vsd_default_cksum_report +}; + +static int +vdev_mirror_pending(vdev_t *vd) +{ + return (avl_numnodes(&vd->vdev_queue.vq_active_tree)); +} + +/* + * Avoid inlining the function to keep vdev_mirror_io_start(), which + * is this functions only caller, as small as possible on the stack. + */ +noinline static mirror_map_t * +vdev_mirror_map_alloc(zio_t *zio) +{ + mirror_map_t *mm = NULL; + mirror_child_t *mc; + vdev_t *vd = zio->io_vd; + int c, d; + + if (vd == NULL) { + dva_t *dva = zio->io_bp->blk_dva; + spa_t *spa = zio->io_spa; + + c = BP_GET_NDVAS(zio->io_bp); + + mm = kmem_zalloc(offsetof(mirror_map_t, mm_child[c]), + KM_SLEEP); + mm->mm_children = c; + mm->mm_replacing = B_FALSE; + mm->mm_preferred = spa_get_random(c); + mm->mm_root = B_TRUE; + + /* + * Check the other, lower-index DVAs to see if they're on + * the same vdev as the child we picked. If they are, use + * them since they are likely to have been allocated from + * the primary metaslab in use at the time, and hence are + * more likely to have locality with single-copy data. + */ + for (c = mm->mm_preferred, d = c - 1; d >= 0; d--) { + if (DVA_GET_VDEV(&dva[d]) == DVA_GET_VDEV(&dva[c])) + mm->mm_preferred = d; + } + + for (c = 0; c < mm->mm_children; c++) { + mc = &mm->mm_child[c]; + + mc->mc_vd = vdev_lookup_top(spa, DVA_GET_VDEV(&dva[c])); + mc->mc_offset = DVA_GET_OFFSET(&dva[c]); + } + } else { + int lowest_pending = INT_MAX; + int lowest_nr = 1; + + c = vd->vdev_children; + + mm = kmem_zalloc(offsetof(mirror_map_t, mm_child[c]), + KM_SLEEP); + mm->mm_children = c; + mm->mm_replacing = (vd->vdev_ops == &vdev_replacing_ops || + vd->vdev_ops == &vdev_spare_ops); + mm->mm_preferred = 0; + mm->mm_root = B_FALSE; + + for (c = 0; c < mm->mm_children; c++) { + mc = &mm->mm_child[c]; + mc->mc_vd = vd->vdev_child[c]; + mc->mc_offset = zio->io_offset; + + if (mm->mm_replacing) + continue; + + if (!vdev_readable(mc->mc_vd)) { + mc->mc_error = SET_ERROR(ENXIO); + mc->mc_tried = 1; + mc->mc_skipped = 1; + mc->mc_pending = INT_MAX; + continue; + } + + mc->mc_pending = vdev_mirror_pending(mc->mc_vd); + if (mc->mc_pending < lowest_pending) { + lowest_pending = mc->mc_pending; + lowest_nr = 1; + } else if (mc->mc_pending == lowest_pending) { + lowest_nr++; + } + } + + d = gethrtime() / (NSEC_PER_USEC * zfs_vdev_mirror_switch_us); + d = (d % lowest_nr) + 1; + + for (c = 0; c < mm->mm_children; c++) { + mc = &mm->mm_child[c]; + + if (mm->mm_child[c].mc_pending == lowest_pending) { + if (--d == 0) { + mm->mm_preferred = c; + break; + } + } + } + } + + zio->io_vsd = mm; + zio->io_vsd_ops = &vdev_mirror_vsd_ops; + return (mm); +} + +static int +vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize, + uint64_t *ashift) +{ + int numerrors = 0; + int lasterror = 0; + int c; + + if (vd->vdev_children == 0) { + vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL; + return (SET_ERROR(EINVAL)); + } + + vdev_open_children(vd); + + for (c = 0; c < vd->vdev_children; c++) { + vdev_t *cvd = vd->vdev_child[c]; + + if (cvd->vdev_open_error) { + lasterror = cvd->vdev_open_error; + numerrors++; + continue; + } + + *asize = MIN(*asize - 1, cvd->vdev_asize - 1) + 1; + *max_asize = MIN(*max_asize - 1, cvd->vdev_max_asize - 1) + 1; + *ashift = MAX(*ashift, cvd->vdev_ashift); + } + + if (numerrors == vd->vdev_children) { + vd->vdev_stat.vs_aux = VDEV_AUX_NO_REPLICAS; + return (lasterror); + } + + return (0); +} + +static void +vdev_mirror_close(vdev_t *vd) +{ + int c; + + for (c = 0; c < vd->vdev_children; c++) + vdev_close(vd->vdev_child[c]); +} + +static void +vdev_mirror_child_done(zio_t *zio) +{ + mirror_child_t *mc = zio->io_private; + + mc->mc_error = zio->io_error; + mc->mc_tried = 1; + mc->mc_skipped = 0; +} + +static void +vdev_mirror_scrub_done(zio_t *zio) +{ + mirror_child_t *mc = zio->io_private; + + if (zio->io_error == 0) { + zio_t *pio; + + mutex_enter(&zio->io_lock); + while ((pio = zio_walk_parents(zio)) != NULL) { + mutex_enter(&pio->io_lock); + ASSERT3U(zio->io_size, >=, pio->io_size); + bcopy(zio->io_data, pio->io_data, pio->io_size); + mutex_exit(&pio->io_lock); + } + mutex_exit(&zio->io_lock); + } + + zio_buf_free(zio->io_data, zio->io_size); + + mc->mc_error = zio->io_error; + mc->mc_tried = 1; + mc->mc_skipped = 0; +} + +/* + * Try to find a child whose DTL doesn't contain the block we want to read. + * If we can't, try the read on any vdev we haven't already tried. + */ +static int +vdev_mirror_child_select(zio_t *zio) +{ + mirror_map_t *mm = zio->io_vsd; + mirror_child_t *mc; + uint64_t txg = zio->io_txg; + int i, c; + + ASSERT(zio->io_bp == NULL || BP_PHYSICAL_BIRTH(zio->io_bp) == txg); + + /* + * Try to find a child whose DTL doesn't contain the block to read. + * If a child is known to be completely inaccessible (indicated by + * vdev_readable() returning B_FALSE), don't even try. + */ + for (i = 0, c = mm->mm_preferred; i < mm->mm_children; i++, c++) { + if (c >= mm->mm_children) + c = 0; + mc = &mm->mm_child[c]; + if (mc->mc_tried || mc->mc_skipped) + continue; + if (mc->mc_vd == NULL || !vdev_readable(mc->mc_vd)) { + mc->mc_error = SET_ERROR(ENXIO); + mc->mc_tried = 1; /* don't even try */ + mc->mc_skipped = 1; + continue; + } + if (!vdev_dtl_contains(mc->mc_vd, DTL_MISSING, txg, 1)) + return (c); + mc->mc_error = SET_ERROR(ESTALE); + mc->mc_skipped = 1; + mc->mc_speculative = 1; + } + + /* + * Every device is either missing or has this txg in its DTL. + * Look for any child we haven't already tried before giving up. + */ + for (c = 0; c < mm->mm_children; c++) + if (!mm->mm_child[c].mc_tried) + return (c); + + /* + * Every child failed. There's no place left to look. + */ + return (-1); +} + +static void +vdev_mirror_io_start(zio_t *zio) +{ + mirror_map_t *mm; + mirror_child_t *mc; + int c, children; + + mm = vdev_mirror_map_alloc(zio); + + if (zio->io_type == ZIO_TYPE_READ) { + if ((zio->io_flags & ZIO_FLAG_SCRUB) && !mm->mm_replacing) { + /* + * For scrubbing reads we need to allocate a read + * buffer for each child and issue reads to all + * children. If any child succeeds, it will copy its + * data into zio->io_data in vdev_mirror_scrub_done. + */ + for (c = 0; c < mm->mm_children; c++) { + mc = &mm->mm_child[c]; + zio_nowait(zio_vdev_child_io(zio, zio->io_bp, + mc->mc_vd, mc->mc_offset, + zio_buf_alloc(zio->io_size), zio->io_size, + zio->io_type, zio->io_priority, 0, + vdev_mirror_scrub_done, mc)); + } + zio_execute(zio); + return; + } + /* + * For normal reads just pick one child. + */ + c = vdev_mirror_child_select(zio); + children = (c >= 0); + } else { + ASSERT(zio->io_type == ZIO_TYPE_WRITE); + + /* + * Writes go to all children. + */ + c = 0; + children = mm->mm_children; + } + + while (children--) { + mc = &mm->mm_child[c]; + zio_nowait(zio_vdev_child_io(zio, zio->io_bp, + mc->mc_vd, mc->mc_offset, zio->io_data, zio->io_size, + zio->io_type, zio->io_priority, 0, + vdev_mirror_child_done, mc)); + c++; + } + + zio_execute(zio); +} + +static int +vdev_mirror_worst_error(mirror_map_t *mm) +{ + int c, error[2] = { 0, 0 }; + + for (c = 0; c < mm->mm_children; c++) { + mirror_child_t *mc = &mm->mm_child[c]; + int s = mc->mc_speculative; + error[s] = zio_worst_error(error[s], mc->mc_error); + } + + return (error[0] ? error[0] : error[1]); +} + +static void +vdev_mirror_io_done(zio_t *zio) +{ + mirror_map_t *mm = zio->io_vsd; + mirror_child_t *mc; + int c; + int good_copies = 0; + int unexpected_errors = 0; + + for (c = 0; c < mm->mm_children; c++) { + mc = &mm->mm_child[c]; + + if (mc->mc_error) { + if (!mc->mc_skipped) + unexpected_errors++; + } else if (mc->mc_tried) { + good_copies++; + } + } + + if (zio->io_type == ZIO_TYPE_WRITE) { + /* + * XXX -- for now, treat partial writes as success. + * + * Now that we support write reallocation, it would be better + * to treat partial failure as real failure unless there are + * no non-degraded top-level vdevs left, and not update DTLs + * if we intend to reallocate. + */ + /* XXPOLICY */ + if (good_copies != mm->mm_children) { + /* + * Always require at least one good copy. + * + * For ditto blocks (io_vd == NULL), require + * all copies to be good. + * + * XXX -- for replacing vdevs, there's no great answer. + * If the old device is really dead, we may not even + * be able to access it -- so we only want to + * require good writes to the new device. But if + * the new device turns out to be flaky, we want + * to be able to detach it -- which requires all + * writes to the old device to have succeeded. + */ + if (good_copies == 0 || zio->io_vd == NULL) + zio->io_error = vdev_mirror_worst_error(mm); + } + return; + } + + ASSERT(zio->io_type == ZIO_TYPE_READ); + + /* + * If we don't have a good copy yet, keep trying other children. + */ + /* XXPOLICY */ + if (good_copies == 0 && (c = vdev_mirror_child_select(zio)) != -1) { + ASSERT(c >= 0 && c < mm->mm_children); + mc = &mm->mm_child[c]; + zio_vdev_io_redone(zio); + zio_nowait(zio_vdev_child_io(zio, zio->io_bp, + mc->mc_vd, mc->mc_offset, zio->io_data, zio->io_size, + ZIO_TYPE_READ, zio->io_priority, 0, + vdev_mirror_child_done, mc)); + return; + } + + /* XXPOLICY */ + if (good_copies == 0) { + zio->io_error = vdev_mirror_worst_error(mm); + ASSERT(zio->io_error != 0); + } + + if (good_copies && spa_writeable(zio->io_spa) && + (unexpected_errors || + (zio->io_flags & ZIO_FLAG_RESILVER) || + ((zio->io_flags & ZIO_FLAG_SCRUB) && mm->mm_replacing))) { + /* + * Use the good data we have in hand to repair damaged children. + */ + for (c = 0; c < mm->mm_children; c++) { + /* + * Don't rewrite known good children. + * Not only is it unnecessary, it could + * actually be harmful: if the system lost + * power while rewriting the only good copy, + * there would be no good copies left! + */ + mc = &mm->mm_child[c]; + + if (mc->mc_error == 0) { + if (mc->mc_tried) + continue; + if (!(zio->io_flags & ZIO_FLAG_SCRUB) && + !vdev_dtl_contains(mc->mc_vd, DTL_PARTIAL, + zio->io_txg, 1)) + continue; + mc->mc_error = SET_ERROR(ESTALE); + } + + zio_nowait(zio_vdev_child_io(zio, zio->io_bp, + mc->mc_vd, mc->mc_offset, + zio->io_data, zio->io_size, + ZIO_TYPE_WRITE, ZIO_PRIORITY_ASYNC_WRITE, + ZIO_FLAG_IO_REPAIR | (unexpected_errors ? + ZIO_FLAG_SELF_HEAL : 0), NULL, NULL)); + } + } +} + +static void +vdev_mirror_state_change(vdev_t *vd, int faulted, int degraded) +{ + if (faulted == vd->vdev_children) + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_NO_REPLICAS); + else if (degraded + faulted != 0) + vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, VDEV_AUX_NONE); + else + vdev_set_state(vd, B_FALSE, VDEV_STATE_HEALTHY, VDEV_AUX_NONE); +} + +vdev_ops_t vdev_mirror_ops = { + vdev_mirror_open, + vdev_mirror_close, + vdev_default_asize, + vdev_mirror_io_start, + vdev_mirror_io_done, + vdev_mirror_state_change, + NULL, + NULL, + VDEV_TYPE_MIRROR, /* name of this vdev type */ + B_FALSE /* not a leaf vdev */ +}; + +vdev_ops_t vdev_replacing_ops = { + vdev_mirror_open, + vdev_mirror_close, + vdev_default_asize, + vdev_mirror_io_start, + vdev_mirror_io_done, + vdev_mirror_state_change, + NULL, + NULL, + VDEV_TYPE_REPLACING, /* name of this vdev type */ + B_FALSE /* not a leaf vdev */ +}; + +vdev_ops_t vdev_spare_ops = { + vdev_mirror_open, + vdev_mirror_close, + vdev_default_asize, + vdev_mirror_io_start, + vdev_mirror_io_done, + vdev_mirror_state_change, + NULL, + NULL, + VDEV_TYPE_SPARE, /* name of this vdev type */ + B_FALSE /* not a leaf vdev */ +}; + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_vdev_mirror_switch_us, int, 0644); +MODULE_PARM_DESC(zfs_vdev_mirror_switch_us, "Switch mirrors every N usecs"); +#endif diff --git a/zfs/module/zfs/vdev_missing.c b/zfs/module/zfs/vdev_missing.c new file mode 100644 index 000000000000..228757334234 --- /dev/null +++ b/zfs/module/zfs/vdev_missing.c @@ -0,0 +1,106 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +/* + * The 'missing' vdev is a special vdev type used only during import. It + * signifies a placeholder in the root vdev for some vdev that we know is + * missing. We pass it down to the kernel to allow the rest of the + * configuration to parsed and an attempt made to open all available devices. + * Because its GUID is always 0, we know that the guid sum will mismatch and we + * won't be able to open the pool anyway. + */ + +#include +#include +#include +#include +#include + +/* ARGSUSED */ +static int +vdev_missing_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize, + uint64_t *ashift) +{ + /* + * Really this should just fail. But then the root vdev will be in the + * faulted state with VDEV_AUX_NO_REPLICAS, when what we really want is + * VDEV_AUX_BAD_GUID_SUM. So we pretend to succeed, knowing that we + * will fail the GUID sum check before ever trying to open the pool. + */ + *psize = 0; + *max_psize = 0; + *ashift = 0; + return (0); +} + +/* ARGSUSED */ +static void +vdev_missing_close(vdev_t *vd) +{ +} + +/* ARGSUSED */ +static void +vdev_missing_io_start(zio_t *zio) +{ + zio->io_error = SET_ERROR(ENOTSUP); + zio_execute(zio); +} + +/* ARGSUSED */ +static void +vdev_missing_io_done(zio_t *zio) +{ +} + +vdev_ops_t vdev_missing_ops = { + vdev_missing_open, + vdev_missing_close, + vdev_default_asize, + vdev_missing_io_start, + vdev_missing_io_done, + NULL, + NULL, + NULL, + VDEV_TYPE_MISSING, /* name of this vdev type */ + B_TRUE /* leaf vdev */ +}; + +vdev_ops_t vdev_hole_ops = { + vdev_missing_open, + vdev_missing_close, + vdev_default_asize, + vdev_missing_io_start, + vdev_missing_io_done, + NULL, + NULL, + NULL, + VDEV_TYPE_HOLE, /* name of this vdev type */ + B_TRUE /* leaf vdev */ +}; diff --git a/zfs/module/zfs/vdev_queue.c b/zfs/module/zfs/vdev_queue.c new file mode 100644 index 000000000000..4ed62f96328c --- /dev/null +++ b/zfs/module/zfs/vdev_queue.c @@ -0,0 +1,849 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * ZFS I/O Scheduler + * --------------- + * + * ZFS issues I/O operations to leaf vdevs to satisfy and complete zios. The + * I/O scheduler determines when and in what order those operations are + * issued. The I/O scheduler divides operations into five I/O classes + * prioritized in the following order: sync read, sync write, async read, + * async write, and scrub/resilver. Each queue defines the minimum and + * maximum number of concurrent operations that may be issued to the device. + * In addition, the device has an aggregate maximum. Note that the sum of the + * per-queue minimums must not exceed the aggregate maximum. If the + * sum of the per-queue maximums exceeds the aggregate maximum, then the + * number of active i/os may reach zfs_vdev_max_active, in which case no + * further i/os will be issued regardless of whether all per-queue + * minimums have been met. + * + * For many physical devices, throughput increases with the number of + * concurrent operations, but latency typically suffers. Further, physical + * devices typically have a limit at which more concurrent operations have no + * effect on throughput or can actually cause it to decrease. + * + * The scheduler selects the next operation to issue by first looking for an + * I/O class whose minimum has not been satisfied. Once all are satisfied and + * the aggregate maximum has not been hit, the scheduler looks for classes + * whose maximum has not been satisfied. Iteration through the I/O classes is + * done in the order specified above. No further operations are issued if the + * aggregate maximum number of concurrent operations has been hit or if there + * are no operations queued for an I/O class that has not hit its maximum. + * Every time an i/o is queued or an operation completes, the I/O scheduler + * looks for new operations to issue. + * + * All I/O classes have a fixed maximum number of outstanding operations + * except for the async write class. Asynchronous writes represent the data + * that is committed to stable storage during the syncing stage for + * transaction groups (see txg.c). Transaction groups enter the syncing state + * periodically so the number of queued async writes will quickly burst up and + * then bleed down to zero. Rather than servicing them as quickly as possible, + * the I/O scheduler changes the maximum number of active async write i/os + * according to the amount of dirty data in the pool (see dsl_pool.c). Since + * both throughput and latency typically increase with the number of + * concurrent operations issued to physical devices, reducing the burstiness + * in the number of concurrent operations also stabilizes the response time of + * operations from other -- and in particular synchronous -- queues. In broad + * strokes, the I/O scheduler will issue more concurrent operations from the + * async write queue as there's more dirty data in the pool. + * + * Async Writes + * + * The number of concurrent operations issued for the async write I/O class + * follows a piece-wise linear function defined by a few adjustable points. + * + * | o---------| <-- zfs_vdev_async_write_max_active + * ^ | /^ | + * | | / | | + * active | / | | + * I/O | / | | + * count | / | | + * | / | | + * |------------o | | <-- zfs_vdev_async_write_min_active + * 0|____________^______|_________| + * 0% | | 100% of zfs_dirty_data_max + * | | + * | `-- zfs_vdev_async_write_active_max_dirty_percent + * `--------- zfs_vdev_async_write_active_min_dirty_percent + * + * Until the amount of dirty data exceeds a minimum percentage of the dirty + * data allowed in the pool, the I/O scheduler will limit the number of + * concurrent operations to the minimum. As that threshold is crossed, the + * number of concurrent operations issued increases linearly to the maximum at + * the specified maximum percentage of the dirty data allowed in the pool. + * + * Ideally, the amount of dirty data on a busy pool will stay in the sloped + * part of the function between zfs_vdev_async_write_active_min_dirty_percent + * and zfs_vdev_async_write_active_max_dirty_percent. If it exceeds the + * maximum percentage, this indicates that the rate of incoming data is + * greater than the rate that the backend storage can handle. In this case, we + * must further throttle incoming writes (see dmu_tx_delay() for details). + */ + +/* + * The maximum number of i/os active to each device. Ideally, this will be >= + * the sum of each queue's max_active. It must be at least the sum of each + * queue's min_active. + */ +uint32_t zfs_vdev_max_active = 1000; + +/* + * Per-queue limits on the number of i/os active to each device. If the + * number of active i/os is < zfs_vdev_max_active, then the min_active comes + * into play. We will send min_active from each queue, and then select from + * queues in the order defined by zio_priority_t. + * + * In general, smaller max_active's will lead to lower latency of synchronous + * operations. Larger max_active's may lead to higher overall throughput, + * depending on underlying storage. + * + * The ratio of the queues' max_actives determines the balance of performance + * between reads, writes, and scrubs. E.g., increasing + * zfs_vdev_scrub_max_active will cause the scrub or resilver to complete + * more quickly, but reads and writes to have higher latency and lower + * throughput. + */ +uint32_t zfs_vdev_sync_read_min_active = 10; +uint32_t zfs_vdev_sync_read_max_active = 10; +uint32_t zfs_vdev_sync_write_min_active = 10; +uint32_t zfs_vdev_sync_write_max_active = 10; +uint32_t zfs_vdev_async_read_min_active = 1; +uint32_t zfs_vdev_async_read_max_active = 3; +uint32_t zfs_vdev_async_write_min_active = 1; +uint32_t zfs_vdev_async_write_max_active = 10; +uint32_t zfs_vdev_scrub_min_active = 1; +uint32_t zfs_vdev_scrub_max_active = 2; + +/* + * When the pool has less than zfs_vdev_async_write_active_min_dirty_percent + * dirty data, use zfs_vdev_async_write_min_active. When it has more than + * zfs_vdev_async_write_active_max_dirty_percent, use + * zfs_vdev_async_write_max_active. The value is linearly interpolated + * between min and max. + */ +int zfs_vdev_async_write_active_min_dirty_percent = 30; +int zfs_vdev_async_write_active_max_dirty_percent = 60; + +/* + * To reduce IOPs, we aggregate small adjacent I/Os into one large I/O. + * For read I/Os, we also aggregate across small adjacency gaps; for writes + * we include spans of optional I/Os to aid aggregation at the disk even when + * they aren't able to help us aggregate at this level. + */ +int zfs_vdev_aggregation_limit = SPA_OLD_MAXBLOCKSIZE; +int zfs_vdev_read_gap_limit = 32 << 10; +int zfs_vdev_write_gap_limit = 4 << 10; + +int +vdev_queue_offset_compare(const void *x1, const void *x2) +{ + const zio_t *z1 = x1; + const zio_t *z2 = x2; + + if (z1->io_offset < z2->io_offset) + return (-1); + if (z1->io_offset > z2->io_offset) + return (1); + + if (z1 < z2) + return (-1); + if (z1 > z2) + return (1); + + return (0); +} + +static inline avl_tree_t * +vdev_queue_class_tree(vdev_queue_t *vq, zio_priority_t p) +{ + return (&vq->vq_class[p].vqc_queued_tree); +} + +static inline avl_tree_t * +vdev_queue_type_tree(vdev_queue_t *vq, zio_type_t t) +{ + ASSERT(t == ZIO_TYPE_READ || t == ZIO_TYPE_WRITE); + if (t == ZIO_TYPE_READ) + return (&vq->vq_read_offset_tree); + else + return (&vq->vq_write_offset_tree); +} + +int +vdev_queue_timestamp_compare(const void *x1, const void *x2) +{ + const zio_t *z1 = x1; + const zio_t *z2 = x2; + + if (z1->io_timestamp < z2->io_timestamp) + return (-1); + if (z1->io_timestamp > z2->io_timestamp) + return (1); + + if (z1 < z2) + return (-1); + if (z1 > z2) + return (1); + + return (0); +} + +static int +vdev_queue_class_min_active(zio_priority_t p) +{ + switch (p) { + case ZIO_PRIORITY_SYNC_READ: + return (zfs_vdev_sync_read_min_active); + case ZIO_PRIORITY_SYNC_WRITE: + return (zfs_vdev_sync_write_min_active); + case ZIO_PRIORITY_ASYNC_READ: + return (zfs_vdev_async_read_min_active); + case ZIO_PRIORITY_ASYNC_WRITE: + return (zfs_vdev_async_write_min_active); + case ZIO_PRIORITY_SCRUB: + return (zfs_vdev_scrub_min_active); + default: + panic("invalid priority %u", p); + return (0); + } +} + +static int +vdev_queue_max_async_writes(spa_t *spa) +{ + int writes; + uint64_t dirty = 0; + dsl_pool_t *dp = spa_get_dsl(spa); + uint64_t min_bytes = zfs_dirty_data_max * + zfs_vdev_async_write_active_min_dirty_percent / 100; + uint64_t max_bytes = zfs_dirty_data_max * + zfs_vdev_async_write_active_max_dirty_percent / 100; + + /* + * Async writes may occur before the assignment of the spa's + * dsl_pool_t if a self-healing zio is issued prior to the + * completion of dmu_objset_open_impl(). + */ + if (dp == NULL) + return (zfs_vdev_async_write_max_active); + + /* + * Sync tasks correspond to interactive user actions. To reduce the + * execution time of those actions we push data out as fast as possible. + */ + if (spa_has_pending_synctask(spa)) + return (zfs_vdev_async_write_max_active); + + dirty = dp->dp_dirty_total; + if (dirty < min_bytes) + return (zfs_vdev_async_write_min_active); + if (dirty > max_bytes) + return (zfs_vdev_async_write_max_active); + + /* + * linear interpolation: + * slope = (max_writes - min_writes) / (max_bytes - min_bytes) + * move right by min_bytes + * move up by min_writes + */ + writes = (dirty - min_bytes) * + (zfs_vdev_async_write_max_active - + zfs_vdev_async_write_min_active) / + (max_bytes - min_bytes) + + zfs_vdev_async_write_min_active; + ASSERT3U(writes, >=, zfs_vdev_async_write_min_active); + ASSERT3U(writes, <=, zfs_vdev_async_write_max_active); + return (writes); +} + +static int +vdev_queue_class_max_active(spa_t *spa, zio_priority_t p) +{ + switch (p) { + case ZIO_PRIORITY_SYNC_READ: + return (zfs_vdev_sync_read_max_active); + case ZIO_PRIORITY_SYNC_WRITE: + return (zfs_vdev_sync_write_max_active); + case ZIO_PRIORITY_ASYNC_READ: + return (zfs_vdev_async_read_max_active); + case ZIO_PRIORITY_ASYNC_WRITE: + return (vdev_queue_max_async_writes(spa)); + case ZIO_PRIORITY_SCRUB: + return (zfs_vdev_scrub_max_active); + default: + panic("invalid priority %u", p); + return (0); + } +} + +/* + * Return the i/o class to issue from, or ZIO_PRIORITY_MAX_QUEUEABLE if + * there is no eligible class. + */ +static zio_priority_t +vdev_queue_class_to_issue(vdev_queue_t *vq) +{ + spa_t *spa = vq->vq_vdev->vdev_spa; + zio_priority_t p; + + if (avl_numnodes(&vq->vq_active_tree) >= zfs_vdev_max_active) + return (ZIO_PRIORITY_NUM_QUEUEABLE); + + /* find a queue that has not reached its minimum # outstanding i/os */ + for (p = 0; p < ZIO_PRIORITY_NUM_QUEUEABLE; p++) { + if (avl_numnodes(vdev_queue_class_tree(vq, p)) > 0 && + vq->vq_class[p].vqc_active < + vdev_queue_class_min_active(p)) + return (p); + } + + /* + * If we haven't found a queue, look for one that hasn't reached its + * maximum # outstanding i/os. + */ + for (p = 0; p < ZIO_PRIORITY_NUM_QUEUEABLE; p++) { + if (avl_numnodes(vdev_queue_class_tree(vq, p)) > 0 && + vq->vq_class[p].vqc_active < + vdev_queue_class_max_active(spa, p)) + return (p); + } + + /* No eligible queued i/os */ + return (ZIO_PRIORITY_NUM_QUEUEABLE); +} + +void +vdev_queue_init(vdev_t *vd) +{ + vdev_queue_t *vq = &vd->vdev_queue; + zio_priority_t p; + + mutex_init(&vq->vq_lock, NULL, MUTEX_DEFAULT, NULL); + vq->vq_vdev = vd; + taskq_init_ent(&vd->vdev_queue.vq_io_search.io_tqent); + + avl_create(&vq->vq_active_tree, vdev_queue_offset_compare, + sizeof (zio_t), offsetof(struct zio, io_queue_node)); + avl_create(vdev_queue_type_tree(vq, ZIO_TYPE_READ), + vdev_queue_offset_compare, sizeof (zio_t), + offsetof(struct zio, io_offset_node)); + avl_create(vdev_queue_type_tree(vq, ZIO_TYPE_WRITE), + vdev_queue_offset_compare, sizeof (zio_t), + offsetof(struct zio, io_offset_node)); + + for (p = 0; p < ZIO_PRIORITY_NUM_QUEUEABLE; p++) { + int (*compfn) (const void *, const void *); + + /* + * The synchronous i/o queues are dispatched in FIFO rather + * than LBA order. This provides more consistent latency for + * these i/os. + */ + if (p == ZIO_PRIORITY_SYNC_READ || p == ZIO_PRIORITY_SYNC_WRITE) + compfn = vdev_queue_timestamp_compare; + else + compfn = vdev_queue_offset_compare; + avl_create(vdev_queue_class_tree(vq, p), compfn, + sizeof (zio_t), offsetof(struct zio, io_queue_node)); + } +} + +void +vdev_queue_fini(vdev_t *vd) +{ + vdev_queue_t *vq = &vd->vdev_queue; + zio_priority_t p; + + for (p = 0; p < ZIO_PRIORITY_NUM_QUEUEABLE; p++) + avl_destroy(vdev_queue_class_tree(vq, p)); + avl_destroy(&vq->vq_active_tree); + avl_destroy(vdev_queue_type_tree(vq, ZIO_TYPE_READ)); + avl_destroy(vdev_queue_type_tree(vq, ZIO_TYPE_WRITE)); + + mutex_destroy(&vq->vq_lock); +} + +static void +vdev_queue_io_add(vdev_queue_t *vq, zio_t *zio) +{ + spa_t *spa = zio->io_spa; + spa_stats_history_t *ssh = &spa->spa_stats.io_history; + + ASSERT3U(zio->io_priority, <, ZIO_PRIORITY_NUM_QUEUEABLE); + avl_add(vdev_queue_class_tree(vq, zio->io_priority), zio); + avl_add(vdev_queue_type_tree(vq, zio->io_type), zio); + + if (ssh->kstat != NULL) { + mutex_enter(&ssh->lock); + kstat_waitq_enter(ssh->kstat->ks_data); + mutex_exit(&ssh->lock); + } +} + +static void +vdev_queue_io_remove(vdev_queue_t *vq, zio_t *zio) +{ + spa_t *spa = zio->io_spa; + spa_stats_history_t *ssh = &spa->spa_stats.io_history; + + ASSERT3U(zio->io_priority, <, ZIO_PRIORITY_NUM_QUEUEABLE); + avl_remove(vdev_queue_class_tree(vq, zio->io_priority), zio); + avl_remove(vdev_queue_type_tree(vq, zio->io_type), zio); + + if (ssh->kstat != NULL) { + mutex_enter(&ssh->lock); + kstat_waitq_exit(ssh->kstat->ks_data); + mutex_exit(&ssh->lock); + } +} + +static void +vdev_queue_pending_add(vdev_queue_t *vq, zio_t *zio) +{ + spa_t *spa = zio->io_spa; + spa_stats_history_t *ssh = &spa->spa_stats.io_history; + + ASSERT(MUTEX_HELD(&vq->vq_lock)); + ASSERT3U(zio->io_priority, <, ZIO_PRIORITY_NUM_QUEUEABLE); + vq->vq_class[zio->io_priority].vqc_active++; + avl_add(&vq->vq_active_tree, zio); + + if (ssh->kstat != NULL) { + mutex_enter(&ssh->lock); + kstat_runq_enter(ssh->kstat->ks_data); + mutex_exit(&ssh->lock); + } +} + +static void +vdev_queue_pending_remove(vdev_queue_t *vq, zio_t *zio) +{ + spa_t *spa = zio->io_spa; + spa_stats_history_t *ssh = &spa->spa_stats.io_history; + + ASSERT(MUTEX_HELD(&vq->vq_lock)); + ASSERT3U(zio->io_priority, <, ZIO_PRIORITY_NUM_QUEUEABLE); + vq->vq_class[zio->io_priority].vqc_active--; + avl_remove(&vq->vq_active_tree, zio); + + if (ssh->kstat != NULL) { + kstat_io_t *ksio = ssh->kstat->ks_data; + + mutex_enter(&ssh->lock); + kstat_runq_exit(ksio); + if (zio->io_type == ZIO_TYPE_READ) { + ksio->reads++; + ksio->nread += zio->io_size; + } else if (zio->io_type == ZIO_TYPE_WRITE) { + ksio->writes++; + ksio->nwritten += zio->io_size; + } + mutex_exit(&ssh->lock); + } +} + +static void +vdev_queue_agg_io_done(zio_t *aio) +{ + if (aio->io_type == ZIO_TYPE_READ) { + zio_t *pio; + while ((pio = zio_walk_parents(aio)) != NULL) { + bcopy((char *)aio->io_data + (pio->io_offset - + aio->io_offset), pio->io_data, pio->io_size); + } + } + + zio_buf_free(aio->io_data, aio->io_size); +} + +/* + * Compute the range spanned by two i/os, which is the endpoint of the last + * (lio->io_offset + lio->io_size) minus start of the first (fio->io_offset). + * Conveniently, the gap between fio and lio is given by -IO_SPAN(lio, fio); + * thus fio and lio are adjacent if and only if IO_SPAN(lio, fio) == 0. + */ +#define IO_SPAN(fio, lio) ((lio)->io_offset + (lio)->io_size - (fio)->io_offset) +#define IO_GAP(fio, lio) (-IO_SPAN(lio, fio)) + +static zio_t * +vdev_queue_aggregate(vdev_queue_t *vq, zio_t *zio) +{ + zio_t *first, *last, *aio, *dio, *mandatory, *nio; + uint64_t maxgap = 0; + uint64_t size; + boolean_t stretch = B_FALSE; + avl_tree_t *t = vdev_queue_type_tree(vq, zio->io_type); + enum zio_flag flags = zio->io_flags & ZIO_FLAG_AGG_INHERIT; + void *buf; + + if (zio->io_flags & ZIO_FLAG_DONT_AGGREGATE) + return (NULL); + + /* + * Prevent users from setting the zfs_vdev_aggregation_limit + * tuning larger than SPA_MAXBLOCKSIZE. + */ + zfs_vdev_aggregation_limit = + MIN(zfs_vdev_aggregation_limit, SPA_MAXBLOCKSIZE); + + first = last = zio; + + if (zio->io_type == ZIO_TYPE_READ) + maxgap = zfs_vdev_read_gap_limit; + + /* + * We can aggregate I/Os that are sufficiently adjacent and of + * the same flavor, as expressed by the AGG_INHERIT flags. + * The latter requirement is necessary so that certain + * attributes of the I/O, such as whether it's a normal I/O + * or a scrub/resilver, can be preserved in the aggregate. + * We can include optional I/Os, but don't allow them + * to begin a range as they add no benefit in that situation. + */ + + /* + * We keep track of the last non-optional I/O. + */ + mandatory = (first->io_flags & ZIO_FLAG_OPTIONAL) ? NULL : first; + + /* + * Walk backwards through sufficiently contiguous I/Os + * recording the last non-option I/O. + */ + while ((dio = AVL_PREV(t, first)) != NULL && + (dio->io_flags & ZIO_FLAG_AGG_INHERIT) == flags && + IO_SPAN(dio, last) <= zfs_vdev_aggregation_limit && + IO_GAP(dio, first) <= maxgap) { + first = dio; + if (mandatory == NULL && !(first->io_flags & ZIO_FLAG_OPTIONAL)) + mandatory = first; + } + + /* + * Skip any initial optional I/Os. + */ + while ((first->io_flags & ZIO_FLAG_OPTIONAL) && first != last) { + first = AVL_NEXT(t, first); + ASSERT(first != NULL); + } + + + /* + * Walk forward through sufficiently contiguous I/Os. + */ + while ((dio = AVL_NEXT(t, last)) != NULL && + (dio->io_flags & ZIO_FLAG_AGG_INHERIT) == flags && + IO_SPAN(first, dio) <= zfs_vdev_aggregation_limit && + IO_GAP(last, dio) <= maxgap) { + last = dio; + if (!(last->io_flags & ZIO_FLAG_OPTIONAL)) + mandatory = last; + } + + /* + * Now that we've established the range of the I/O aggregation + * we must decide what to do with trailing optional I/Os. + * For reads, there's nothing to do. While we are unable to + * aggregate further, it's possible that a trailing optional + * I/O would allow the underlying device to aggregate with + * subsequent I/Os. We must therefore determine if the next + * non-optional I/O is close enough to make aggregation + * worthwhile. + */ + if (zio->io_type == ZIO_TYPE_WRITE && mandatory != NULL) { + zio_t *nio = last; + while ((dio = AVL_NEXT(t, nio)) != NULL && + IO_GAP(nio, dio) == 0 && + IO_GAP(mandatory, dio) <= zfs_vdev_write_gap_limit) { + nio = dio; + if (!(nio->io_flags & ZIO_FLAG_OPTIONAL)) { + stretch = B_TRUE; + break; + } + } + } + + if (stretch) { + /* This may be a no-op. */ + dio = AVL_NEXT(t, last); + dio->io_flags &= ~ZIO_FLAG_OPTIONAL; + } else { + while (last != mandatory && last != first) { + ASSERT(last->io_flags & ZIO_FLAG_OPTIONAL); + last = AVL_PREV(t, last); + ASSERT(last != NULL); + } + } + + if (first == last) + return (NULL); + + size = IO_SPAN(first, last); + ASSERT3U(size, <=, zfs_vdev_aggregation_limit); + + buf = zio_buf_alloc_flags(size, KM_NOSLEEP); + if (buf == NULL) + return (NULL); + + aio = zio_vdev_delegated_io(first->io_vd, first->io_offset, + buf, size, first->io_type, zio->io_priority, + flags | ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE, + vdev_queue_agg_io_done, NULL); + aio->io_timestamp = first->io_timestamp; + + nio = first; + do { + dio = nio; + nio = AVL_NEXT(t, dio); + ASSERT3U(dio->io_type, ==, aio->io_type); + + if (dio->io_flags & ZIO_FLAG_NODATA) { + ASSERT3U(dio->io_type, ==, ZIO_TYPE_WRITE); + bzero((char *)aio->io_data + (dio->io_offset - + aio->io_offset), dio->io_size); + } else if (dio->io_type == ZIO_TYPE_WRITE) { + bcopy(dio->io_data, (char *)aio->io_data + + (dio->io_offset - aio->io_offset), + dio->io_size); + } + + zio_add_child(dio, aio); + vdev_queue_io_remove(vq, dio); + zio_vdev_io_bypass(dio); + zio_execute(dio); + } while (dio != last); + + return (aio); +} + +static zio_t * +vdev_queue_io_to_issue(vdev_queue_t *vq) +{ + zio_t *zio, *aio; + zio_priority_t p; + avl_index_t idx; + avl_tree_t *tree; + +again: + ASSERT(MUTEX_HELD(&vq->vq_lock)); + + p = vdev_queue_class_to_issue(vq); + + if (p == ZIO_PRIORITY_NUM_QUEUEABLE) { + /* No eligible queued i/os */ + return (NULL); + } + + /* + * For LBA-ordered queues (async / scrub), issue the i/o which follows + * the most recently issued i/o in LBA (offset) order. + * + * For FIFO queues (sync), issue the i/o with the lowest timestamp. + */ + tree = vdev_queue_class_tree(vq, p); + vq->vq_io_search.io_timestamp = 0; + vq->vq_io_search.io_offset = vq->vq_last_offset + 1; + VERIFY3P(avl_find(tree, &vq->vq_io_search, + &idx), ==, NULL); + zio = avl_nearest(tree, idx, AVL_AFTER); + if (zio == NULL) + zio = avl_first(tree); + ASSERT3U(zio->io_priority, ==, p); + + aio = vdev_queue_aggregate(vq, zio); + if (aio != NULL) + zio = aio; + else + vdev_queue_io_remove(vq, zio); + + /* + * If the I/O is or was optional and therefore has no data, we need to + * simply discard it. We need to drop the vdev queue's lock to avoid a + * deadlock that we could encounter since this I/O will complete + * immediately. + */ + if (zio->io_flags & ZIO_FLAG_NODATA) { + mutex_exit(&vq->vq_lock); + zio_vdev_io_bypass(zio); + zio_execute(zio); + mutex_enter(&vq->vq_lock); + goto again; + } + + vdev_queue_pending_add(vq, zio); + vq->vq_last_offset = zio->io_offset; + + return (zio); +} + +zio_t * +vdev_queue_io(zio_t *zio) +{ + vdev_queue_t *vq = &zio->io_vd->vdev_queue; + zio_t *nio; + + if (zio->io_flags & ZIO_FLAG_DONT_QUEUE) + return (zio); + + /* + * Children i/os inherent their parent's priority, which might + * not match the child's i/o type. Fix it up here. + */ + if (zio->io_type == ZIO_TYPE_READ) { + if (zio->io_priority != ZIO_PRIORITY_SYNC_READ && + zio->io_priority != ZIO_PRIORITY_ASYNC_READ && + zio->io_priority != ZIO_PRIORITY_SCRUB) + zio->io_priority = ZIO_PRIORITY_ASYNC_READ; + } else { + ASSERT(zio->io_type == ZIO_TYPE_WRITE); + if (zio->io_priority != ZIO_PRIORITY_SYNC_WRITE && + zio->io_priority != ZIO_PRIORITY_ASYNC_WRITE) + zio->io_priority = ZIO_PRIORITY_ASYNC_WRITE; + } + + zio->io_flags |= ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE; + + mutex_enter(&vq->vq_lock); + zio->io_timestamp = gethrtime(); + vdev_queue_io_add(vq, zio); + nio = vdev_queue_io_to_issue(vq); + mutex_exit(&vq->vq_lock); + + if (nio == NULL) + return (NULL); + + if (nio->io_done == vdev_queue_agg_io_done) { + zio_nowait(nio); + return (NULL); + } + + return (nio); +} + +void +vdev_queue_io_done(zio_t *zio) +{ + vdev_queue_t *vq = &zio->io_vd->vdev_queue; + zio_t *nio; + + if (zio_injection_enabled) + delay(SEC_TO_TICK(zio_handle_io_delay(zio))); + + mutex_enter(&vq->vq_lock); + + vdev_queue_pending_remove(vq, zio); + + zio->io_delta = gethrtime() - zio->io_timestamp; + vq->vq_io_complete_ts = gethrtime(); + vq->vq_io_delta_ts = vq->vq_io_complete_ts - zio->io_timestamp; + + while ((nio = vdev_queue_io_to_issue(vq)) != NULL) { + mutex_exit(&vq->vq_lock); + if (nio->io_done == vdev_queue_agg_io_done) { + zio_nowait(nio); + } else { + zio_vdev_io_reissue(nio); + zio_execute(nio); + } + mutex_enter(&vq->vq_lock); + } + + mutex_exit(&vq->vq_lock); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_vdev_aggregation_limit, int, 0644); +MODULE_PARM_DESC(zfs_vdev_aggregation_limit, "Max vdev I/O aggregation size"); + +module_param(zfs_vdev_read_gap_limit, int, 0644); +MODULE_PARM_DESC(zfs_vdev_read_gap_limit, "Aggregate read I/O over gap"); + +module_param(zfs_vdev_write_gap_limit, int, 0644); +MODULE_PARM_DESC(zfs_vdev_write_gap_limit, "Aggregate write I/O over gap"); + +module_param(zfs_vdev_max_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_max_active, "Maximum number of active I/Os per vdev"); + +module_param(zfs_vdev_async_write_active_max_dirty_percent, int, 0644); +MODULE_PARM_DESC(zfs_vdev_async_write_active_max_dirty_percent, + "Async write concurrency max threshold"); + +module_param(zfs_vdev_async_write_active_min_dirty_percent, int, 0644); +MODULE_PARM_DESC(zfs_vdev_async_write_active_min_dirty_percent, + "Async write concurrency min threshold"); + +module_param(zfs_vdev_async_read_max_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_async_read_max_active, + "Max active async read I/Os per vdev"); + +module_param(zfs_vdev_async_read_min_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_async_read_min_active, + "Min active async read I/Os per vdev"); + +module_param(zfs_vdev_async_write_max_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_async_write_max_active, + "Max active async write I/Os per vdev"); + +module_param(zfs_vdev_async_write_min_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_async_write_min_active, + "Min active async write I/Os per vdev"); + +module_param(zfs_vdev_scrub_max_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_scrub_max_active, "Max active scrub I/Os per vdev"); + +module_param(zfs_vdev_scrub_min_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_scrub_min_active, "Min active scrub I/Os per vdev"); + +module_param(zfs_vdev_sync_read_max_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_sync_read_max_active, + "Max active sync read I/Os per vdev"); + +module_param(zfs_vdev_sync_read_min_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_sync_read_min_active, + "Min active sync read I/Os per vdev"); + +module_param(zfs_vdev_sync_write_max_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_sync_write_max_active, + "Max active sync write I/Os per vdev"); + +module_param(zfs_vdev_sync_write_min_active, int, 0644); +MODULE_PARM_DESC(zfs_vdev_sync_write_min_active, + "Min active sync write I/Os per vdev"); +#endif diff --git a/zfs/module/zfs/vdev_raidz.c b/zfs/module/zfs/vdev_raidz.c new file mode 100644 index 000000000000..b9479092c842 --- /dev/null +++ b/zfs/module/zfs/vdev_raidz.c @@ -0,0 +1,2222 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include + +/* + * Virtual device vector for RAID-Z. + * + * This vdev supports single, double, and triple parity. For single parity, + * we use a simple XOR of all the data columns. For double or triple parity, + * we use a special case of Reed-Solomon coding. This extends the + * technique described in "The mathematics of RAID-6" by H. Peter Anvin by + * drawing on the system described in "A Tutorial on Reed-Solomon Coding for + * Fault-Tolerance in RAID-like Systems" by James S. Plank on which the + * former is also based. The latter is designed to provide higher performance + * for writes. + * + * Note that the Plank paper claimed to support arbitrary N+M, but was then + * amended six years later identifying a critical flaw that invalidates its + * claims. Nevertheless, the technique can be adapted to work for up to + * triple parity. For additional parity, the amendment "Note: Correction to + * the 1997 Tutorial on Reed-Solomon Coding" by James S. Plank and Ying Ding + * is viable, but the additional complexity means that write performance will + * suffer. + * + * All of the methods above operate on a Galois field, defined over the + * integers mod 2^N. In our case we choose N=8 for GF(8) so that all elements + * can be expressed with a single byte. Briefly, the operations on the + * field are defined as follows: + * + * o addition (+) is represented by a bitwise XOR + * o subtraction (-) is therefore identical to addition: A + B = A - B + * o multiplication of A by 2 is defined by the following bitwise expression: + * + * (A * 2)_7 = A_6 + * (A * 2)_6 = A_5 + * (A * 2)_5 = A_4 + * (A * 2)_4 = A_3 + A_7 + * (A * 2)_3 = A_2 + A_7 + * (A * 2)_2 = A_1 + A_7 + * (A * 2)_1 = A_0 + * (A * 2)_0 = A_7 + * + * In C, multiplying by 2 is therefore ((a << 1) ^ ((a & 0x80) ? 0x1d : 0)). + * As an aside, this multiplication is derived from the error correcting + * primitive polynomial x^8 + x^4 + x^3 + x^2 + 1. + * + * Observe that any number in the field (except for 0) can be expressed as a + * power of 2 -- a generator for the field. We store a table of the powers of + * 2 and logs base 2 for quick look ups, and exploit the fact that A * B can + * be rewritten as 2^(log_2(A) + log_2(B)) (where '+' is normal addition rather + * than field addition). The inverse of a field element A (A^-1) is therefore + * A ^ (255 - 1) = A^254. + * + * The up-to-three parity columns, P, Q, R over several data columns, + * D_0, ... D_n-1, can be expressed by field operations: + * + * P = D_0 + D_1 + ... + D_n-2 + D_n-1 + * Q = 2^n-1 * D_0 + 2^n-2 * D_1 + ... + 2^1 * D_n-2 + 2^0 * D_n-1 + * = ((...((D_0) * 2 + D_1) * 2 + ...) * 2 + D_n-2) * 2 + D_n-1 + * R = 4^n-1 * D_0 + 4^n-2 * D_1 + ... + 4^1 * D_n-2 + 4^0 * D_n-1 + * = ((...((D_0) * 4 + D_1) * 4 + ...) * 4 + D_n-2) * 4 + D_n-1 + * + * We chose 1, 2, and 4 as our generators because 1 corresponds to the trival + * XOR operation, and 2 and 4 can be computed quickly and generate linearly- + * independent coefficients. (There are no additional coefficients that have + * this property which is why the uncorrected Plank method breaks down.) + * + * See the reconstruction code below for how P, Q and R can used individually + * or in concert to recover missing data columns. + */ + +typedef struct raidz_col { + uint64_t rc_devidx; /* child device index for I/O */ + uint64_t rc_offset; /* device offset */ + uint64_t rc_size; /* I/O size */ + void *rc_data; /* I/O data */ + void *rc_gdata; /* used to store the "good" version */ + int rc_error; /* I/O error for this device */ + uint8_t rc_tried; /* Did we attempt this I/O column? */ + uint8_t rc_skipped; /* Did we skip this I/O column? */ +} raidz_col_t; + +typedef struct raidz_map { + uint64_t rm_cols; /* Regular column count */ + uint64_t rm_scols; /* Count including skipped columns */ + uint64_t rm_bigcols; /* Number of oversized columns */ + uint64_t rm_asize; /* Actual total I/O size */ + uint64_t rm_missingdata; /* Count of missing data devices */ + uint64_t rm_missingparity; /* Count of missing parity devices */ + uint64_t rm_firstdatacol; /* First data column/parity count */ + uint64_t rm_nskip; /* Skipped sectors for padding */ + uint64_t rm_skipstart; /* Column index of padding start */ + void *rm_datacopy; /* rm_asize-buffer of copied data */ + uintptr_t rm_reports; /* # of referencing checksum reports */ + uint8_t rm_freed; /* map no longer has referencing ZIO */ + uint8_t rm_ecksuminjected; /* checksum error was injected */ + raidz_col_t rm_col[1]; /* Flexible array of I/O columns */ +} raidz_map_t; + +#define VDEV_RAIDZ_P 0 +#define VDEV_RAIDZ_Q 1 +#define VDEV_RAIDZ_R 2 + +#define VDEV_RAIDZ_MUL_2(x) (((x) << 1) ^ (((x) & 0x80) ? 0x1d : 0)) +#define VDEV_RAIDZ_MUL_4(x) (VDEV_RAIDZ_MUL_2(VDEV_RAIDZ_MUL_2(x))) + +/* + * We provide a mechanism to perform the field multiplication operation on a + * 64-bit value all at once rather than a byte at a time. This works by + * creating a mask from the top bit in each byte and using that to + * conditionally apply the XOR of 0x1d. + */ +#define VDEV_RAIDZ_64MUL_2(x, mask) \ +{ \ + (mask) = (x) & 0x8080808080808080ULL; \ + (mask) = ((mask) << 1) - ((mask) >> 7); \ + (x) = (((x) << 1) & 0xfefefefefefefefeULL) ^ \ + ((mask) & 0x1d1d1d1d1d1d1d1dULL); \ +} + +#define VDEV_RAIDZ_64MUL_4(x, mask) \ +{ \ + VDEV_RAIDZ_64MUL_2((x), mask); \ + VDEV_RAIDZ_64MUL_2((x), mask); \ +} + +/* + * Force reconstruction to use the general purpose method. + */ +int vdev_raidz_default_to_general; + +/* Powers of 2 in the Galois field defined above. */ +static const uint8_t vdev_raidz_pow2[256] = { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26, + 0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, + 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, + 0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, + 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23, + 0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, + 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1, + 0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, + 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, + 0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, + 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2, + 0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, + 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce, + 0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, + 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc, + 0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, + 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54, + 0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, + 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73, + 0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, + 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff, + 0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, + 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41, + 0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, + 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6, + 0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, + 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09, + 0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, + 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16, + 0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, + 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x01 +}; +/* Logs of 2 in the Galois field defined above. */ +static const uint8_t vdev_raidz_log2[256] = { + 0x00, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, + 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b, + 0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, + 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71, + 0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, + 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45, + 0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, + 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6, + 0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, + 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88, + 0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, + 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40, + 0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, + 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d, + 0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, + 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57, + 0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, + 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18, + 0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, + 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e, + 0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, + 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61, + 0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, + 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2, + 0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, + 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6, + 0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, + 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a, + 0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, + 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7, + 0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, + 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf, +}; + +static void vdev_raidz_generate_parity(raidz_map_t *rm); + +/* + * Multiply a given number by 2 raised to the given power. + */ +static uint8_t +vdev_raidz_exp2(uint_t a, int exp) +{ + if (a == 0) + return (0); + + ASSERT(exp >= 0); + ASSERT(vdev_raidz_log2[a] > 0 || a == 1); + + exp += vdev_raidz_log2[a]; + if (exp > 255) + exp -= 255; + + return (vdev_raidz_pow2[exp]); +} + +static void +vdev_raidz_map_free(raidz_map_t *rm) +{ + int c; + size_t size; + + for (c = 0; c < rm->rm_firstdatacol; c++) { + zio_buf_free(rm->rm_col[c].rc_data, rm->rm_col[c].rc_size); + + if (rm->rm_col[c].rc_gdata != NULL) + zio_buf_free(rm->rm_col[c].rc_gdata, + rm->rm_col[c].rc_size); + } + + size = 0; + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) + size += rm->rm_col[c].rc_size; + + if (rm->rm_datacopy != NULL) + zio_buf_free(rm->rm_datacopy, size); + + kmem_free(rm, offsetof(raidz_map_t, rm_col[rm->rm_scols])); +} + +static void +vdev_raidz_map_free_vsd(zio_t *zio) +{ + raidz_map_t *rm = zio->io_vsd; + + ASSERT0(rm->rm_freed); + rm->rm_freed = 1; + + if (rm->rm_reports == 0) + vdev_raidz_map_free(rm); +} + +/*ARGSUSED*/ +static void +vdev_raidz_cksum_free(void *arg, size_t ignored) +{ + raidz_map_t *rm = arg; + + ASSERT3U(rm->rm_reports, >, 0); + + if (--rm->rm_reports == 0 && rm->rm_freed != 0) + vdev_raidz_map_free(rm); +} + +static void +vdev_raidz_cksum_finish(zio_cksum_report_t *zcr, const void *good_data) +{ + raidz_map_t *rm = zcr->zcr_cbdata; + size_t c = zcr->zcr_cbinfo; + size_t x; + + const char *good = NULL; + const char *bad = rm->rm_col[c].rc_data; + + if (good_data == NULL) { + zfs_ereport_finish_checksum(zcr, NULL, NULL, B_FALSE); + return; + } + + if (c < rm->rm_firstdatacol) { + /* + * The first time through, calculate the parity blocks for + * the good data (this relies on the fact that the good + * data never changes for a given logical ZIO) + */ + if (rm->rm_col[0].rc_gdata == NULL) { + char *bad_parity[VDEV_RAIDZ_MAXPARITY]; + char *buf; + + /* + * Set up the rm_col[]s to generate the parity for + * good_data, first saving the parity bufs and + * replacing them with buffers to hold the result. + */ + for (x = 0; x < rm->rm_firstdatacol; x++) { + bad_parity[x] = rm->rm_col[x].rc_data; + rm->rm_col[x].rc_data = rm->rm_col[x].rc_gdata = + zio_buf_alloc(rm->rm_col[x].rc_size); + } + + /* fill in the data columns from good_data */ + buf = (char *)good_data; + for (; x < rm->rm_cols; x++) { + rm->rm_col[x].rc_data = buf; + buf += rm->rm_col[x].rc_size; + } + + /* + * Construct the parity from the good data. + */ + vdev_raidz_generate_parity(rm); + + /* restore everything back to its original state */ + for (x = 0; x < rm->rm_firstdatacol; x++) + rm->rm_col[x].rc_data = bad_parity[x]; + + buf = rm->rm_datacopy; + for (x = rm->rm_firstdatacol; x < rm->rm_cols; x++) { + rm->rm_col[x].rc_data = buf; + buf += rm->rm_col[x].rc_size; + } + } + + ASSERT3P(rm->rm_col[c].rc_gdata, !=, NULL); + good = rm->rm_col[c].rc_gdata; + } else { + /* adjust good_data to point at the start of our column */ + good = good_data; + + for (x = rm->rm_firstdatacol; x < c; x++) + good += rm->rm_col[x].rc_size; + } + + /* we drop the ereport if it ends up that the data was good */ + zfs_ereport_finish_checksum(zcr, good, bad, B_TRUE); +} + +/* + * Invoked indirectly by zfs_ereport_start_checksum(), called + * below when our read operation fails completely. The main point + * is to keep a copy of everything we read from disk, so that at + * vdev_raidz_cksum_finish() time we can compare it with the good data. + */ +static void +vdev_raidz_cksum_report(zio_t *zio, zio_cksum_report_t *zcr, void *arg) +{ + size_t c = (size_t)(uintptr_t)arg; + caddr_t buf; + + raidz_map_t *rm = zio->io_vsd; + size_t size; + + /* set up the report and bump the refcount */ + zcr->zcr_cbdata = rm; + zcr->zcr_cbinfo = c; + zcr->zcr_finish = vdev_raidz_cksum_finish; + zcr->zcr_free = vdev_raidz_cksum_free; + + rm->rm_reports++; + ASSERT3U(rm->rm_reports, >, 0); + + if (rm->rm_datacopy != NULL) + return; + + /* + * It's the first time we're called for this raidz_map_t, so we need + * to copy the data aside; there's no guarantee that our zio's buffer + * won't be re-used for something else. + * + * Our parity data is already in separate buffers, so there's no need + * to copy them. + */ + + size = 0; + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) + size += rm->rm_col[c].rc_size; + + buf = rm->rm_datacopy = zio_buf_alloc(size); + + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + raidz_col_t *col = &rm->rm_col[c]; + + bcopy(col->rc_data, buf, col->rc_size); + col->rc_data = buf; + + buf += col->rc_size; + } + ASSERT3P(buf - (caddr_t)rm->rm_datacopy, ==, size); +} + +static const zio_vsd_ops_t vdev_raidz_vsd_ops = { + vdev_raidz_map_free_vsd, + vdev_raidz_cksum_report +}; + +/* + * Divides the IO evenly across all child vdevs; usually, dcols is + * the number of children in the target vdev. + * + * Avoid inlining the function to keep vdev_raidz_io_start(), which + * is this functions only caller, as small as possible on the stack. + */ +noinline static raidz_map_t * +vdev_raidz_map_alloc(zio_t *zio, uint64_t unit_shift, uint64_t dcols, + uint64_t nparity) +{ + raidz_map_t *rm; + /* The starting RAIDZ (parent) vdev sector of the block. */ + uint64_t b = zio->io_offset >> unit_shift; + /* The zio's size in units of the vdev's minimum sector size. */ + uint64_t s = zio->io_size >> unit_shift; + /* The first column for this stripe. */ + uint64_t f = b % dcols; + /* The starting byte offset on each child vdev. */ + uint64_t o = (b / dcols) << unit_shift; + uint64_t q, r, c, bc, col, acols, scols, coff, devidx, asize, tot; + + /* + * "Quotient": The number of data sectors for this stripe on all but + * the "big column" child vdevs that also contain "remainder" data. + */ + q = s / (dcols - nparity); + + /* + * "Remainder": The number of partial stripe data sectors in this I/O. + * This will add a sector to some, but not all, child vdevs. + */ + r = s - q * (dcols - nparity); + + /* The number of "big columns" - those which contain remainder data. */ + bc = (r == 0 ? 0 : r + nparity); + + /* + * The total number of data and parity sectors associated with + * this I/O. + */ + tot = s + nparity * (q + (r == 0 ? 0 : 1)); + + /* acols: The columns that will be accessed. */ + /* scols: The columns that will be accessed or skipped. */ + if (q == 0) { + /* Our I/O request doesn't span all child vdevs. */ + acols = bc; + scols = MIN(dcols, roundup(bc, nparity + 1)); + } else { + acols = dcols; + scols = dcols; + } + + ASSERT3U(acols, <=, scols); + + rm = kmem_alloc(offsetof(raidz_map_t, rm_col[scols]), KM_SLEEP); + + rm->rm_cols = acols; + rm->rm_scols = scols; + rm->rm_bigcols = bc; + rm->rm_skipstart = bc; + rm->rm_missingdata = 0; + rm->rm_missingparity = 0; + rm->rm_firstdatacol = nparity; + rm->rm_datacopy = NULL; + rm->rm_reports = 0; + rm->rm_freed = 0; + rm->rm_ecksuminjected = 0; + + asize = 0; + + for (c = 0; c < scols; c++) { + col = f + c; + coff = o; + if (col >= dcols) { + col -= dcols; + coff += 1ULL << unit_shift; + } + rm->rm_col[c].rc_devidx = col; + rm->rm_col[c].rc_offset = coff; + rm->rm_col[c].rc_data = NULL; + rm->rm_col[c].rc_gdata = NULL; + rm->rm_col[c].rc_error = 0; + rm->rm_col[c].rc_tried = 0; + rm->rm_col[c].rc_skipped = 0; + + if (c >= acols) + rm->rm_col[c].rc_size = 0; + else if (c < bc) + rm->rm_col[c].rc_size = (q + 1) << unit_shift; + else + rm->rm_col[c].rc_size = q << unit_shift; + + asize += rm->rm_col[c].rc_size; + } + + ASSERT3U(asize, ==, tot << unit_shift); + rm->rm_asize = roundup(asize, (nparity + 1) << unit_shift); + rm->rm_nskip = roundup(tot, nparity + 1) - tot; + ASSERT3U(rm->rm_asize - asize, ==, rm->rm_nskip << unit_shift); + ASSERT3U(rm->rm_nskip, <=, nparity); + + for (c = 0; c < rm->rm_firstdatacol; c++) + rm->rm_col[c].rc_data = zio_buf_alloc(rm->rm_col[c].rc_size); + + rm->rm_col[c].rc_data = zio->io_data; + + for (c = c + 1; c < acols; c++) + rm->rm_col[c].rc_data = (char *)rm->rm_col[c - 1].rc_data + + rm->rm_col[c - 1].rc_size; + + /* + * If all data stored spans all columns, there's a danger that parity + * will always be on the same device and, since parity isn't read + * during normal operation, that that device's I/O bandwidth won't be + * used effectively. We therefore switch the parity every 1MB. + * + * ... at least that was, ostensibly, the theory. As a practical + * matter unless we juggle the parity between all devices evenly, we + * won't see any benefit. Further, occasional writes that aren't a + * multiple of the LCM of the number of children and the minimum + * stripe width are sufficient to avoid pessimal behavior. + * Unfortunately, this decision created an implicit on-disk format + * requirement that we need to support for all eternity, but only + * for single-parity RAID-Z. + * + * If we intend to skip a sector in the zeroth column for padding + * we must make sure to note this swap. We will never intend to + * skip the first column since at least one data and one parity + * column must appear in each row. + */ + ASSERT(rm->rm_cols >= 2); + ASSERT(rm->rm_col[0].rc_size == rm->rm_col[1].rc_size); + + if (rm->rm_firstdatacol == 1 && (zio->io_offset & (1ULL << 20))) { + devidx = rm->rm_col[0].rc_devidx; + o = rm->rm_col[0].rc_offset; + rm->rm_col[0].rc_devidx = rm->rm_col[1].rc_devidx; + rm->rm_col[0].rc_offset = rm->rm_col[1].rc_offset; + rm->rm_col[1].rc_devidx = devidx; + rm->rm_col[1].rc_offset = o; + + if (rm->rm_skipstart == 0) + rm->rm_skipstart = 1; + } + + zio->io_vsd = rm; + zio->io_vsd_ops = &vdev_raidz_vsd_ops; + return (rm); +} + +static void +vdev_raidz_generate_parity_p(raidz_map_t *rm) +{ + uint64_t *p, *src, pcount, ccount, i; + int c; + + pcount = rm->rm_col[VDEV_RAIDZ_P].rc_size / sizeof (src[0]); + + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + src = rm->rm_col[c].rc_data; + p = rm->rm_col[VDEV_RAIDZ_P].rc_data; + ccount = rm->rm_col[c].rc_size / sizeof (src[0]); + + if (c == rm->rm_firstdatacol) { + ASSERT(ccount == pcount); + for (i = 0; i < ccount; i++, src++, p++) { + *p = *src; + } + } else { + ASSERT(ccount <= pcount); + for (i = 0; i < ccount; i++, src++, p++) { + *p ^= *src; + } + } + } +} + +static void +vdev_raidz_generate_parity_pq(raidz_map_t *rm) +{ + uint64_t *p, *q, *src, pcnt, ccnt, mask, i; + int c; + + pcnt = rm->rm_col[VDEV_RAIDZ_P].rc_size / sizeof (src[0]); + ASSERT(rm->rm_col[VDEV_RAIDZ_P].rc_size == + rm->rm_col[VDEV_RAIDZ_Q].rc_size); + + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + src = rm->rm_col[c].rc_data; + p = rm->rm_col[VDEV_RAIDZ_P].rc_data; + q = rm->rm_col[VDEV_RAIDZ_Q].rc_data; + + ccnt = rm->rm_col[c].rc_size / sizeof (src[0]); + + if (c == rm->rm_firstdatacol) { + ASSERT(ccnt == pcnt || ccnt == 0); + for (i = 0; i < ccnt; i++, src++, p++, q++) { + *p = *src; + *q = *src; + } + for (; i < pcnt; i++, src++, p++, q++) { + *p = 0; + *q = 0; + } + } else { + ASSERT(ccnt <= pcnt); + + /* + * Apply the algorithm described above by multiplying + * the previous result and adding in the new value. + */ + for (i = 0; i < ccnt; i++, src++, p++, q++) { + *p ^= *src; + + VDEV_RAIDZ_64MUL_2(*q, mask); + *q ^= *src; + } + + /* + * Treat short columns as though they are full of 0s. + * Note that there's therefore nothing needed for P. + */ + for (; i < pcnt; i++, q++) { + VDEV_RAIDZ_64MUL_2(*q, mask); + } + } + } +} + +static void +vdev_raidz_generate_parity_pqr(raidz_map_t *rm) +{ + uint64_t *p, *q, *r, *src, pcnt, ccnt, mask, i; + int c; + + pcnt = rm->rm_col[VDEV_RAIDZ_P].rc_size / sizeof (src[0]); + ASSERT(rm->rm_col[VDEV_RAIDZ_P].rc_size == + rm->rm_col[VDEV_RAIDZ_Q].rc_size); + ASSERT(rm->rm_col[VDEV_RAIDZ_P].rc_size == + rm->rm_col[VDEV_RAIDZ_R].rc_size); + + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + src = rm->rm_col[c].rc_data; + p = rm->rm_col[VDEV_RAIDZ_P].rc_data; + q = rm->rm_col[VDEV_RAIDZ_Q].rc_data; + r = rm->rm_col[VDEV_RAIDZ_R].rc_data; + + ccnt = rm->rm_col[c].rc_size / sizeof (src[0]); + + if (c == rm->rm_firstdatacol) { + ASSERT(ccnt == pcnt || ccnt == 0); + for (i = 0; i < ccnt; i++, src++, p++, q++, r++) { + *p = *src; + *q = *src; + *r = *src; + } + for (; i < pcnt; i++, src++, p++, q++, r++) { + *p = 0; + *q = 0; + *r = 0; + } + } else { + ASSERT(ccnt <= pcnt); + + /* + * Apply the algorithm described above by multiplying + * the previous result and adding in the new value. + */ + for (i = 0; i < ccnt; i++, src++, p++, q++, r++) { + *p ^= *src; + + VDEV_RAIDZ_64MUL_2(*q, mask); + *q ^= *src; + + VDEV_RAIDZ_64MUL_4(*r, mask); + *r ^= *src; + } + + /* + * Treat short columns as though they are full of 0s. + * Note that there's therefore nothing needed for P. + */ + for (; i < pcnt; i++, q++, r++) { + VDEV_RAIDZ_64MUL_2(*q, mask); + VDEV_RAIDZ_64MUL_4(*r, mask); + } + } + } +} + +/* + * Generate RAID parity in the first virtual columns according to the number of + * parity columns available. + */ +static void +vdev_raidz_generate_parity(raidz_map_t *rm) +{ + switch (rm->rm_firstdatacol) { + case 1: + vdev_raidz_generate_parity_p(rm); + break; + case 2: + vdev_raidz_generate_parity_pq(rm); + break; + case 3: + vdev_raidz_generate_parity_pqr(rm); + break; + default: + cmn_err(CE_PANIC, "invalid RAID-Z configuration"); + } +} + +static int +vdev_raidz_reconstruct_p(raidz_map_t *rm, int *tgts, int ntgts) +{ + uint64_t *dst, *src, xcount, ccount, count, i; + int x = tgts[0]; + int c; + + ASSERT(ntgts == 1); + ASSERT(x >= rm->rm_firstdatacol); + ASSERT(x < rm->rm_cols); + + xcount = rm->rm_col[x].rc_size / sizeof (src[0]); + ASSERT(xcount <= rm->rm_col[VDEV_RAIDZ_P].rc_size / sizeof (src[0])); + ASSERT(xcount > 0); + + src = rm->rm_col[VDEV_RAIDZ_P].rc_data; + dst = rm->rm_col[x].rc_data; + for (i = 0; i < xcount; i++, dst++, src++) { + *dst = *src; + } + + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + src = rm->rm_col[c].rc_data; + dst = rm->rm_col[x].rc_data; + + if (c == x) + continue; + + ccount = rm->rm_col[c].rc_size / sizeof (src[0]); + count = MIN(ccount, xcount); + + for (i = 0; i < count; i++, dst++, src++) { + *dst ^= *src; + } + } + + return (1 << VDEV_RAIDZ_P); +} + +static int +vdev_raidz_reconstruct_q(raidz_map_t *rm, int *tgts, int ntgts) +{ + uint64_t *dst, *src, xcount, ccount, count, mask, i; + uint8_t *b; + int x = tgts[0]; + int c, j, exp; + + ASSERT(ntgts == 1); + + xcount = rm->rm_col[x].rc_size / sizeof (src[0]); + ASSERT(xcount <= rm->rm_col[VDEV_RAIDZ_Q].rc_size / sizeof (src[0])); + + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + src = rm->rm_col[c].rc_data; + dst = rm->rm_col[x].rc_data; + + if (c == x) + ccount = 0; + else + ccount = rm->rm_col[c].rc_size / sizeof (src[0]); + + count = MIN(ccount, xcount); + + if (c == rm->rm_firstdatacol) { + for (i = 0; i < count; i++, dst++, src++) { + *dst = *src; + } + for (; i < xcount; i++, dst++) { + *dst = 0; + } + + } else { + for (i = 0; i < count; i++, dst++, src++) { + VDEV_RAIDZ_64MUL_2(*dst, mask); + *dst ^= *src; + } + + for (; i < xcount; i++, dst++) { + VDEV_RAIDZ_64MUL_2(*dst, mask); + } + } + } + + src = rm->rm_col[VDEV_RAIDZ_Q].rc_data; + dst = rm->rm_col[x].rc_data; + exp = 255 - (rm->rm_cols - 1 - x); + + for (i = 0; i < xcount; i++, dst++, src++) { + *dst ^= *src; + for (j = 0, b = (uint8_t *)dst; j < 8; j++, b++) { + *b = vdev_raidz_exp2(*b, exp); + } + } + + return (1 << VDEV_RAIDZ_Q); +} + +static int +vdev_raidz_reconstruct_pq(raidz_map_t *rm, int *tgts, int ntgts) +{ + uint8_t *p, *q, *pxy, *qxy, *xd, *yd, tmp, a, b, aexp, bexp; + void *pdata, *qdata; + uint64_t xsize, ysize, i; + int x = tgts[0]; + int y = tgts[1]; + + ASSERT(ntgts == 2); + ASSERT(x < y); + ASSERT(x >= rm->rm_firstdatacol); + ASSERT(y < rm->rm_cols); + + ASSERT(rm->rm_col[x].rc_size >= rm->rm_col[y].rc_size); + + /* + * Move the parity data aside -- we're going to compute parity as + * though columns x and y were full of zeros -- Pxy and Qxy. We want to + * reuse the parity generation mechanism without trashing the actual + * parity so we make those columns appear to be full of zeros by + * setting their lengths to zero. + */ + pdata = rm->rm_col[VDEV_RAIDZ_P].rc_data; + qdata = rm->rm_col[VDEV_RAIDZ_Q].rc_data; + xsize = rm->rm_col[x].rc_size; + ysize = rm->rm_col[y].rc_size; + + rm->rm_col[VDEV_RAIDZ_P].rc_data = + zio_buf_alloc(rm->rm_col[VDEV_RAIDZ_P].rc_size); + rm->rm_col[VDEV_RAIDZ_Q].rc_data = + zio_buf_alloc(rm->rm_col[VDEV_RAIDZ_Q].rc_size); + rm->rm_col[x].rc_size = 0; + rm->rm_col[y].rc_size = 0; + + vdev_raidz_generate_parity_pq(rm); + + rm->rm_col[x].rc_size = xsize; + rm->rm_col[y].rc_size = ysize; + + p = pdata; + q = qdata; + pxy = rm->rm_col[VDEV_RAIDZ_P].rc_data; + qxy = rm->rm_col[VDEV_RAIDZ_Q].rc_data; + xd = rm->rm_col[x].rc_data; + yd = rm->rm_col[y].rc_data; + + /* + * We now have: + * Pxy = P + D_x + D_y + * Qxy = Q + 2^(ndevs - 1 - x) * D_x + 2^(ndevs - 1 - y) * D_y + * + * We can then solve for D_x: + * D_x = A * (P + Pxy) + B * (Q + Qxy) + * where + * A = 2^(x - y) * (2^(x - y) + 1)^-1 + * B = 2^(ndevs - 1 - x) * (2^(x - y) + 1)^-1 + * + * With D_x in hand, we can easily solve for D_y: + * D_y = P + Pxy + D_x + */ + + a = vdev_raidz_pow2[255 + x - y]; + b = vdev_raidz_pow2[255 - (rm->rm_cols - 1 - x)]; + tmp = 255 - vdev_raidz_log2[a ^ 1]; + + aexp = vdev_raidz_log2[vdev_raidz_exp2(a, tmp)]; + bexp = vdev_raidz_log2[vdev_raidz_exp2(b, tmp)]; + + for (i = 0; i < xsize; i++, p++, q++, pxy++, qxy++, xd++, yd++) { + *xd = vdev_raidz_exp2(*p ^ *pxy, aexp) ^ + vdev_raidz_exp2(*q ^ *qxy, bexp); + + if (i < ysize) + *yd = *p ^ *pxy ^ *xd; + } + + zio_buf_free(rm->rm_col[VDEV_RAIDZ_P].rc_data, + rm->rm_col[VDEV_RAIDZ_P].rc_size); + zio_buf_free(rm->rm_col[VDEV_RAIDZ_Q].rc_data, + rm->rm_col[VDEV_RAIDZ_Q].rc_size); + + /* + * Restore the saved parity data. + */ + rm->rm_col[VDEV_RAIDZ_P].rc_data = pdata; + rm->rm_col[VDEV_RAIDZ_Q].rc_data = qdata; + + return ((1 << VDEV_RAIDZ_P) | (1 << VDEV_RAIDZ_Q)); +} + +/* BEGIN CSTYLED */ +/* + * In the general case of reconstruction, we must solve the system of linear + * equations defined by the coeffecients used to generate parity as well as + * the contents of the data and parity disks. This can be expressed with + * vectors for the original data (D) and the actual data (d) and parity (p) + * and a matrix composed of the identity matrix (I) and a dispersal matrix (V): + * + * __ __ __ __ + * | | __ __ | p_0 | + * | V | | D_0 | | p_m-1 | + * | | x | : | = | d_0 | + * | I | | D_n-1 | | : | + * | | ~~ ~~ | d_n-1 | + * ~~ ~~ ~~ ~~ + * + * I is simply a square identity matrix of size n, and V is a vandermonde + * matrix defined by the coeffecients we chose for the various parity columns + * (1, 2, 4). Note that these values were chosen both for simplicity, speedy + * computation as well as linear separability. + * + * __ __ __ __ + * | 1 .. 1 1 1 | | p_0 | + * | 2^n-1 .. 4 2 1 | __ __ | : | + * | 4^n-1 .. 16 4 1 | | D_0 | | p_m-1 | + * | 1 .. 0 0 0 | | D_1 | | d_0 | + * | 0 .. 0 0 0 | x | D_2 | = | d_1 | + * | : : : : | | : | | d_2 | + * | 0 .. 1 0 0 | | D_n-1 | | : | + * | 0 .. 0 1 0 | ~~ ~~ | : | + * | 0 .. 0 0 1 | | d_n-1 | + * ~~ ~~ ~~ ~~ + * + * Note that I, V, d, and p are known. To compute D, we must invert the + * matrix and use the known data and parity values to reconstruct the unknown + * data values. We begin by removing the rows in V|I and d|p that correspond + * to failed or missing columns; we then make V|I square (n x n) and d|p + * sized n by removing rows corresponding to unused parity from the bottom up + * to generate (V|I)' and (d|p)'. We can then generate the inverse of (V|I)' + * using Gauss-Jordan elimination. In the example below we use m=3 parity + * columns, n=8 data columns, with errors in d_1, d_2, and p_1: + * __ __ + * | 1 1 1 1 1 1 1 1 | + * | 128 64 32 16 8 4 2 1 | <-----+-+-- missing disks + * | 19 205 116 29 64 16 4 1 | / / + * | 1 0 0 0 0 0 0 0 | / / + * | 0 1 0 0 0 0 0 0 | <--' / + * (V|I) = | 0 0 1 0 0 0 0 0 | <---' + * | 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * __ __ + * | 1 1 1 1 1 1 1 1 | + * | 128 64 32 16 8 4 2 1 | + * | 19 205 116 29 64 16 4 1 | + * | 1 0 0 0 0 0 0 0 | + * | 0 1 0 0 0 0 0 0 | + * (V|I)' = | 0 0 1 0 0 0 0 0 | + * | 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * + * Here we employ Gauss-Jordan elimination to find the inverse of (V|I)'. We + * have carefully chosen the seed values 1, 2, and 4 to ensure that this + * matrix is not singular. + * __ __ + * | 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 | + * | 19 205 116 29 64 16 4 1 0 1 0 0 0 0 0 0 | + * | 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 | + * | 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * __ __ + * | 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 | + * | 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 | + * | 19 205 116 29 64 16 4 1 0 1 0 0 0 0 0 0 | + * | 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * __ __ + * | 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 | + * | 0 1 1 0 0 0 0 0 1 0 1 1 1 1 1 1 | + * | 0 205 116 0 0 0 0 0 0 1 19 29 64 16 4 1 | + * | 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * __ __ + * | 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 | + * | 0 1 1 0 0 0 0 0 1 0 1 1 1 1 1 1 | + * | 0 0 185 0 0 0 0 0 205 1 222 208 141 221 201 204 | + * | 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * __ __ + * | 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 | + * | 0 1 1 0 0 0 0 0 1 0 1 1 1 1 1 1 | + * | 0 0 1 0 0 0 0 0 166 100 4 40 158 168 216 209 | + * | 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * __ __ + * | 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 | + * | 0 1 0 0 0 0 0 0 167 100 5 41 159 169 217 208 | + * | 0 0 1 0 0 0 0 0 166 100 4 40 158 168 216 209 | + * | 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * __ __ + * | 0 0 1 0 0 0 0 0 | + * | 167 100 5 41 159 169 217 208 | + * | 166 100 4 40 158 168 216 209 | + * (V|I)'^-1 = | 0 0 0 1 0 0 0 0 | + * | 0 0 0 0 1 0 0 0 | + * | 0 0 0 0 0 1 0 0 | + * | 0 0 0 0 0 0 1 0 | + * | 0 0 0 0 0 0 0 1 | + * ~~ ~~ + * + * We can then simply compute D = (V|I)'^-1 x (d|p)' to discover the values + * of the missing data. + * + * As is apparent from the example above, the only non-trivial rows in the + * inverse matrix correspond to the data disks that we're trying to + * reconstruct. Indeed, those are the only rows we need as the others would + * only be useful for reconstructing data known or assumed to be valid. For + * that reason, we only build the coefficients in the rows that correspond to + * targeted columns. + */ +/* END CSTYLED */ + +static void +vdev_raidz_matrix_init(raidz_map_t *rm, int n, int nmap, int *map, + uint8_t **rows) +{ + int i, j; + int pow; + + ASSERT(n == rm->rm_cols - rm->rm_firstdatacol); + + /* + * Fill in the missing rows of interest. + */ + for (i = 0; i < nmap; i++) { + ASSERT3S(0, <=, map[i]); + ASSERT3S(map[i], <=, 2); + + pow = map[i] * n; + if (pow > 255) + pow -= 255; + ASSERT(pow <= 255); + + for (j = 0; j < n; j++) { + pow -= map[i]; + if (pow < 0) + pow += 255; + rows[i][j] = vdev_raidz_pow2[pow]; + } + } +} + +static void +vdev_raidz_matrix_invert(raidz_map_t *rm, int n, int nmissing, int *missing, + uint8_t **rows, uint8_t **invrows, const uint8_t *used) +{ + int i, j, ii, jj; + uint8_t log; + + /* + * Assert that the first nmissing entries from the array of used + * columns correspond to parity columns and that subsequent entries + * correspond to data columns. + */ + for (i = 0; i < nmissing; i++) { + ASSERT3S(used[i], <, rm->rm_firstdatacol); + } + for (; i < n; i++) { + ASSERT3S(used[i], >=, rm->rm_firstdatacol); + } + + /* + * First initialize the storage where we'll compute the inverse rows. + */ + for (i = 0; i < nmissing; i++) { + for (j = 0; j < n; j++) { + invrows[i][j] = (i == j) ? 1 : 0; + } + } + + /* + * Subtract all trivial rows from the rows of consequence. + */ + for (i = 0; i < nmissing; i++) { + for (j = nmissing; j < n; j++) { + ASSERT3U(used[j], >=, rm->rm_firstdatacol); + jj = used[j] - rm->rm_firstdatacol; + ASSERT3S(jj, <, n); + invrows[i][j] = rows[i][jj]; + rows[i][jj] = 0; + } + } + + /* + * For each of the rows of interest, we must normalize it and subtract + * a multiple of it from the other rows. + */ + for (i = 0; i < nmissing; i++) { + for (j = 0; j < missing[i]; j++) { + ASSERT0(rows[i][j]); + } + ASSERT3U(rows[i][missing[i]], !=, 0); + + /* + * Compute the inverse of the first element and multiply each + * element in the row by that value. + */ + log = 255 - vdev_raidz_log2[rows[i][missing[i]]]; + + for (j = 0; j < n; j++) { + rows[i][j] = vdev_raidz_exp2(rows[i][j], log); + invrows[i][j] = vdev_raidz_exp2(invrows[i][j], log); + } + + for (ii = 0; ii < nmissing; ii++) { + if (i == ii) + continue; + + ASSERT3U(rows[ii][missing[i]], !=, 0); + + log = vdev_raidz_log2[rows[ii][missing[i]]]; + + for (j = 0; j < n; j++) { + rows[ii][j] ^= + vdev_raidz_exp2(rows[i][j], log); + invrows[ii][j] ^= + vdev_raidz_exp2(invrows[i][j], log); + } + } + } + + /* + * Verify that the data that is left in the rows are properly part of + * an identity matrix. + */ + for (i = 0; i < nmissing; i++) { + for (j = 0; j < n; j++) { + if (j == missing[i]) { + ASSERT3U(rows[i][j], ==, 1); + } else { + ASSERT0(rows[i][j]); + } + } + } +} + +static void +vdev_raidz_matrix_reconstruct(raidz_map_t *rm, int n, int nmissing, + int *missing, uint8_t **invrows, const uint8_t *used) +{ + int i, j, x, cc, c; + uint8_t *src; + uint64_t ccount; + uint8_t *dst[VDEV_RAIDZ_MAXPARITY]; + uint64_t dcount[VDEV_RAIDZ_MAXPARITY]; + uint8_t log = 0; + uint8_t val; + int ll; + uint8_t *invlog[VDEV_RAIDZ_MAXPARITY]; + uint8_t *p, *pp; + size_t psize; + + psize = sizeof (invlog[0][0]) * n * nmissing; + p = kmem_alloc(psize, KM_SLEEP); + + for (pp = p, i = 0; i < nmissing; i++) { + invlog[i] = pp; + pp += n; + } + + for (i = 0; i < nmissing; i++) { + for (j = 0; j < n; j++) { + ASSERT3U(invrows[i][j], !=, 0); + invlog[i][j] = vdev_raidz_log2[invrows[i][j]]; + } + } + + for (i = 0; i < n; i++) { + c = used[i]; + ASSERT3U(c, <, rm->rm_cols); + + src = rm->rm_col[c].rc_data; + ccount = rm->rm_col[c].rc_size; + for (j = 0; j < nmissing; j++) { + cc = missing[j] + rm->rm_firstdatacol; + ASSERT3U(cc, >=, rm->rm_firstdatacol); + ASSERT3U(cc, <, rm->rm_cols); + ASSERT3U(cc, !=, c); + + dst[j] = rm->rm_col[cc].rc_data; + dcount[j] = rm->rm_col[cc].rc_size; + } + + ASSERT(ccount >= rm->rm_col[missing[0]].rc_size || i > 0); + + for (x = 0; x < ccount; x++, src++) { + if (*src != 0) + log = vdev_raidz_log2[*src]; + + for (cc = 0; cc < nmissing; cc++) { + if (x >= dcount[cc]) + continue; + + if (*src == 0) { + val = 0; + } else { + if ((ll = log + invlog[cc][i]) >= 255) + ll -= 255; + val = vdev_raidz_pow2[ll]; + } + + if (i == 0) + dst[cc][x] = val; + else + dst[cc][x] ^= val; + } + } + } + + kmem_free(p, psize); +} + +static int +vdev_raidz_reconstruct_general(raidz_map_t *rm, int *tgts, int ntgts) +{ + int n, i, c, t, tt; + int nmissing_rows; + int missing_rows[VDEV_RAIDZ_MAXPARITY]; + int parity_map[VDEV_RAIDZ_MAXPARITY]; + + uint8_t *p, *pp; + size_t psize; + + uint8_t *rows[VDEV_RAIDZ_MAXPARITY]; + uint8_t *invrows[VDEV_RAIDZ_MAXPARITY]; + uint8_t *used; + + int code = 0; + + + n = rm->rm_cols - rm->rm_firstdatacol; + + /* + * Figure out which data columns are missing. + */ + nmissing_rows = 0; + for (t = 0; t < ntgts; t++) { + if (tgts[t] >= rm->rm_firstdatacol) { + missing_rows[nmissing_rows++] = + tgts[t] - rm->rm_firstdatacol; + } + } + + /* + * Figure out which parity columns to use to help generate the missing + * data columns. + */ + for (tt = 0, c = 0, i = 0; i < nmissing_rows; c++) { + ASSERT(tt < ntgts); + ASSERT(c < rm->rm_firstdatacol); + + /* + * Skip any targeted parity columns. + */ + if (c == tgts[tt]) { + tt++; + continue; + } + + code |= 1 << c; + + parity_map[i] = c; + i++; + } + + ASSERT(code != 0); + ASSERT3U(code, <, 1 << VDEV_RAIDZ_MAXPARITY); + + psize = (sizeof (rows[0][0]) + sizeof (invrows[0][0])) * + nmissing_rows * n + sizeof (used[0]) * n; + p = kmem_alloc(psize, KM_SLEEP); + + for (pp = p, i = 0; i < nmissing_rows; i++) { + rows[i] = pp; + pp += n; + invrows[i] = pp; + pp += n; + } + used = pp; + + for (i = 0; i < nmissing_rows; i++) { + used[i] = parity_map[i]; + } + + for (tt = 0, c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + if (tt < nmissing_rows && + c == missing_rows[tt] + rm->rm_firstdatacol) { + tt++; + continue; + } + + ASSERT3S(i, <, n); + used[i] = c; + i++; + } + + /* + * Initialize the interesting rows of the matrix. + */ + vdev_raidz_matrix_init(rm, n, nmissing_rows, parity_map, rows); + + /* + * Invert the matrix. + */ + vdev_raidz_matrix_invert(rm, n, nmissing_rows, missing_rows, rows, + invrows, used); + + /* + * Reconstruct the missing data using the generated matrix. + */ + vdev_raidz_matrix_reconstruct(rm, n, nmissing_rows, missing_rows, + invrows, used); + + kmem_free(p, psize); + + return (code); +} + +static int +vdev_raidz_reconstruct(raidz_map_t *rm, int *t, int nt) +{ + int tgts[VDEV_RAIDZ_MAXPARITY], *dt; + int ntgts; + int i, c; + int code; + int nbadparity, nbaddata; + int parity_valid[VDEV_RAIDZ_MAXPARITY]; + + /* + * The tgts list must already be sorted. + */ + for (i = 1; i < nt; i++) { + ASSERT(t[i] > t[i - 1]); + } + + nbadparity = rm->rm_firstdatacol; + nbaddata = rm->rm_cols - nbadparity; + ntgts = 0; + for (i = 0, c = 0; c < rm->rm_cols; c++) { + if (c < rm->rm_firstdatacol) + parity_valid[c] = B_FALSE; + + if (i < nt && c == t[i]) { + tgts[ntgts++] = c; + i++; + } else if (rm->rm_col[c].rc_error != 0) { + tgts[ntgts++] = c; + } else if (c >= rm->rm_firstdatacol) { + nbaddata--; + } else { + parity_valid[c] = B_TRUE; + nbadparity--; + } + } + + ASSERT(ntgts >= nt); + ASSERT(nbaddata >= 0); + ASSERT(nbaddata + nbadparity == ntgts); + + dt = &tgts[nbadparity]; + + /* + * See if we can use any of our optimized reconstruction routines. + */ + if (!vdev_raidz_default_to_general) { + switch (nbaddata) { + case 1: + if (parity_valid[VDEV_RAIDZ_P]) + return (vdev_raidz_reconstruct_p(rm, dt, 1)); + + ASSERT(rm->rm_firstdatacol > 1); + + if (parity_valid[VDEV_RAIDZ_Q]) + return (vdev_raidz_reconstruct_q(rm, dt, 1)); + + ASSERT(rm->rm_firstdatacol > 2); + break; + + case 2: + ASSERT(rm->rm_firstdatacol > 1); + + if (parity_valid[VDEV_RAIDZ_P] && + parity_valid[VDEV_RAIDZ_Q]) + return (vdev_raidz_reconstruct_pq(rm, dt, 2)); + + ASSERT(rm->rm_firstdatacol > 2); + + break; + } + } + + code = vdev_raidz_reconstruct_general(rm, tgts, ntgts); + ASSERT(code < (1 << VDEV_RAIDZ_MAXPARITY)); + ASSERT(code > 0); + return (code); +} + +static int +vdev_raidz_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize, + uint64_t *ashift) +{ + vdev_t *cvd; + uint64_t nparity = vd->vdev_nparity; + int c; + int lasterror = 0; + int numerrors = 0; + + ASSERT(nparity > 0); + + if (nparity > VDEV_RAIDZ_MAXPARITY || + vd->vdev_children < nparity + 1) { + vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL; + return (SET_ERROR(EINVAL)); + } + + vdev_open_children(vd); + + for (c = 0; c < vd->vdev_children; c++) { + cvd = vd->vdev_child[c]; + + if (cvd->vdev_open_error != 0) { + lasterror = cvd->vdev_open_error; + numerrors++; + continue; + } + + *asize = MIN(*asize - 1, cvd->vdev_asize - 1) + 1; + *max_asize = MIN(*max_asize - 1, cvd->vdev_max_asize - 1) + 1; + *ashift = MAX(*ashift, cvd->vdev_ashift); + } + + *asize *= vd->vdev_children; + *max_asize *= vd->vdev_children; + + if (numerrors > nparity) { + vd->vdev_stat.vs_aux = VDEV_AUX_NO_REPLICAS; + return (lasterror); + } + + return (0); +} + +static void +vdev_raidz_close(vdev_t *vd) +{ + int c; + + for (c = 0; c < vd->vdev_children; c++) + vdev_close(vd->vdev_child[c]); +} + +static uint64_t +vdev_raidz_asize(vdev_t *vd, uint64_t psize) +{ + uint64_t asize; + uint64_t ashift = vd->vdev_top->vdev_ashift; + uint64_t cols = vd->vdev_children; + uint64_t nparity = vd->vdev_nparity; + + asize = ((psize - 1) >> ashift) + 1; + asize += nparity * ((asize + cols - nparity - 1) / (cols - nparity)); + asize = roundup(asize, nparity + 1) << ashift; + + return (asize); +} + +static void +vdev_raidz_child_done(zio_t *zio) +{ + raidz_col_t *rc = zio->io_private; + + rc->rc_error = zio->io_error; + rc->rc_tried = 1; + rc->rc_skipped = 0; +} + +/* + * Start an IO operation on a RAIDZ VDev + * + * Outline: + * - For write operations: + * 1. Generate the parity data + * 2. Create child zio write operations to each column's vdev, for both + * data and parity. + * 3. If the column skips any sectors for padding, create optional dummy + * write zio children for those areas to improve aggregation continuity. + * - For read operations: + * 1. Create child zio read operations to each data column's vdev to read + * the range of data required for zio. + * 2. If this is a scrub or resilver operation, or if any of the data + * vdevs have had errors, then create zio read operations to the parity + * columns' VDevs as well. + */ +static void +vdev_raidz_io_start(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + vdev_t *tvd = vd->vdev_top; + vdev_t *cvd; + raidz_map_t *rm; + raidz_col_t *rc; + int c, i; + + rm = vdev_raidz_map_alloc(zio, tvd->vdev_ashift, vd->vdev_children, + vd->vdev_nparity); + + ASSERT3U(rm->rm_asize, ==, vdev_psize_to_asize(vd, zio->io_size)); + + if (zio->io_type == ZIO_TYPE_WRITE) { + vdev_raidz_generate_parity(rm); + + for (c = 0; c < rm->rm_cols; c++) { + rc = &rm->rm_col[c]; + cvd = vd->vdev_child[rc->rc_devidx]; + zio_nowait(zio_vdev_child_io(zio, NULL, cvd, + rc->rc_offset, rc->rc_data, rc->rc_size, + zio->io_type, zio->io_priority, 0, + vdev_raidz_child_done, rc)); + } + + /* + * Generate optional I/Os for any skipped sectors to improve + * aggregation contiguity. + */ + for (c = rm->rm_skipstart, i = 0; i < rm->rm_nskip; c++, i++) { + ASSERT(c <= rm->rm_scols); + if (c == rm->rm_scols) + c = 0; + rc = &rm->rm_col[c]; + cvd = vd->vdev_child[rc->rc_devidx]; + zio_nowait(zio_vdev_child_io(zio, NULL, cvd, + rc->rc_offset + rc->rc_size, NULL, + 1 << tvd->vdev_ashift, + zio->io_type, zio->io_priority, + ZIO_FLAG_NODATA | ZIO_FLAG_OPTIONAL, NULL, NULL)); + } + + zio_execute(zio); + return; + } + + ASSERT(zio->io_type == ZIO_TYPE_READ); + + /* + * Iterate over the columns in reverse order so that we hit the parity + * last -- any errors along the way will force us to read the parity. + */ + for (c = rm->rm_cols - 1; c >= 0; c--) { + rc = &rm->rm_col[c]; + cvd = vd->vdev_child[rc->rc_devidx]; + if (!vdev_readable(cvd)) { + if (c >= rm->rm_firstdatacol) + rm->rm_missingdata++; + else + rm->rm_missingparity++; + rc->rc_error = SET_ERROR(ENXIO); + rc->rc_tried = 1; /* don't even try */ + rc->rc_skipped = 1; + continue; + } + if (vdev_dtl_contains(cvd, DTL_MISSING, zio->io_txg, 1)) { + if (c >= rm->rm_firstdatacol) + rm->rm_missingdata++; + else + rm->rm_missingparity++; + rc->rc_error = SET_ERROR(ESTALE); + rc->rc_skipped = 1; + continue; + } + if (c >= rm->rm_firstdatacol || rm->rm_missingdata > 0 || + (zio->io_flags & (ZIO_FLAG_SCRUB | ZIO_FLAG_RESILVER))) { + zio_nowait(zio_vdev_child_io(zio, NULL, cvd, + rc->rc_offset, rc->rc_data, rc->rc_size, + zio->io_type, zio->io_priority, 0, + vdev_raidz_child_done, rc)); + } + } + + zio_execute(zio); +} + + +/* + * Report a checksum error for a child of a RAID-Z device. + */ +static void +raidz_checksum_error(zio_t *zio, raidz_col_t *rc, void *bad_data) +{ + vdev_t *vd = zio->io_vd->vdev_child[rc->rc_devidx]; + + if (!(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { + zio_bad_cksum_t zbc; + raidz_map_t *rm = zio->io_vsd; + + mutex_enter(&vd->vdev_stat_lock); + vd->vdev_stat.vs_checksum_errors++; + mutex_exit(&vd->vdev_stat_lock); + + zbc.zbc_has_cksum = 0; + zbc.zbc_injected = rm->rm_ecksuminjected; + + zfs_ereport_post_checksum(zio->io_spa, vd, zio, + rc->rc_offset, rc->rc_size, rc->rc_data, bad_data, + &zbc); + } +} + +/* + * We keep track of whether or not there were any injected errors, so that + * any ereports we generate can note it. + */ +static int +raidz_checksum_verify(zio_t *zio) +{ + zio_bad_cksum_t zbc; + raidz_map_t *rm = zio->io_vsd; + int ret; + + bzero(&zbc, sizeof (zio_bad_cksum_t)); + + ret = zio_checksum_error(zio, &zbc); + if (ret != 0 && zbc.zbc_injected != 0) + rm->rm_ecksuminjected = 1; + + return (ret); +} + +/* + * Generate the parity from the data columns. If we tried and were able to + * read the parity without error, verify that the generated parity matches the + * data we read. If it doesn't, we fire off a checksum error. Return the + * number such failures. + */ +static int +raidz_parity_verify(zio_t *zio, raidz_map_t *rm) +{ + void *orig[VDEV_RAIDZ_MAXPARITY]; + int c, ret = 0; + raidz_col_t *rc; + + for (c = 0; c < rm->rm_firstdatacol; c++) { + rc = &rm->rm_col[c]; + if (!rc->rc_tried || rc->rc_error != 0) + continue; + orig[c] = zio_buf_alloc(rc->rc_size); + bcopy(rc->rc_data, orig[c], rc->rc_size); + } + + vdev_raidz_generate_parity(rm); + + for (c = 0; c < rm->rm_firstdatacol; c++) { + rc = &rm->rm_col[c]; + if (!rc->rc_tried || rc->rc_error != 0) + continue; + if (bcmp(orig[c], rc->rc_data, rc->rc_size) != 0) { + raidz_checksum_error(zio, rc, orig[c]); + rc->rc_error = SET_ERROR(ECKSUM); + ret++; + } + zio_buf_free(orig[c], rc->rc_size); + } + + return (ret); +} + +/* + * Keep statistics on all the ways that we used parity to correct data. + */ +static uint64_t raidz_corrected[1 << VDEV_RAIDZ_MAXPARITY]; + +static int +vdev_raidz_worst_error(raidz_map_t *rm) +{ + int c, error = 0; + + for (c = 0; c < rm->rm_cols; c++) + error = zio_worst_error(error, rm->rm_col[c].rc_error); + + return (error); +} + +/* + * Iterate over all combinations of bad data and attempt a reconstruction. + * Note that the algorithm below is non-optimal because it doesn't take into + * account how reconstruction is actually performed. For example, with + * triple-parity RAID-Z the reconstruction procedure is the same if column 4 + * is targeted as invalid as if columns 1 and 4 are targeted since in both + * cases we'd only use parity information in column 0. + */ +static int +vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors) +{ + raidz_map_t *rm = zio->io_vsd; + raidz_col_t *rc; + void *orig[VDEV_RAIDZ_MAXPARITY]; + int tstore[VDEV_RAIDZ_MAXPARITY + 2]; + int *tgts = &tstore[1]; + int curr, next, i, c, n; + int code, ret = 0; + + ASSERT(total_errors < rm->rm_firstdatacol); + + /* + * This simplifies one edge condition. + */ + tgts[-1] = -1; + + for (n = 1; n <= rm->rm_firstdatacol - total_errors; n++) { + /* + * Initialize the targets array by finding the first n columns + * that contain no error. + * + * If there were no data errors, we need to ensure that we're + * always explicitly attempting to reconstruct at least one + * data column. To do this, we simply push the highest target + * up into the data columns. + */ + for (c = 0, i = 0; i < n; i++) { + if (i == n - 1 && data_errors == 0 && + c < rm->rm_firstdatacol) { + c = rm->rm_firstdatacol; + } + + while (rm->rm_col[c].rc_error != 0) { + c++; + ASSERT3S(c, <, rm->rm_cols); + } + + tgts[i] = c++; + } + + /* + * Setting tgts[n] simplifies the other edge condition. + */ + tgts[n] = rm->rm_cols; + + /* + * These buffers were allocated in previous iterations. + */ + for (i = 0; i < n - 1; i++) { + ASSERT(orig[i] != NULL); + } + + orig[n - 1] = zio_buf_alloc(rm->rm_col[0].rc_size); + + curr = 0; + next = tgts[curr]; + + while (curr != n) { + tgts[curr] = next; + curr = 0; + + /* + * Save off the original data that we're going to + * attempt to reconstruct. + */ + for (i = 0; i < n; i++) { + ASSERT(orig[i] != NULL); + c = tgts[i]; + ASSERT3S(c, >=, 0); + ASSERT3S(c, <, rm->rm_cols); + rc = &rm->rm_col[c]; + bcopy(rc->rc_data, orig[i], rc->rc_size); + } + + /* + * Attempt a reconstruction and exit the outer loop on + * success. + */ + code = vdev_raidz_reconstruct(rm, tgts, n); + if (raidz_checksum_verify(zio) == 0) { + atomic_inc_64(&raidz_corrected[code]); + + for (i = 0; i < n; i++) { + c = tgts[i]; + rc = &rm->rm_col[c]; + ASSERT(rc->rc_error == 0); + if (rc->rc_tried) + raidz_checksum_error(zio, rc, + orig[i]); + rc->rc_error = SET_ERROR(ECKSUM); + } + + ret = code; + goto done; + } + + /* + * Restore the original data. + */ + for (i = 0; i < n; i++) { + c = tgts[i]; + rc = &rm->rm_col[c]; + bcopy(orig[i], rc->rc_data, rc->rc_size); + } + + do { + /* + * Find the next valid column after the curr + * position.. + */ + for (next = tgts[curr] + 1; + next < rm->rm_cols && + rm->rm_col[next].rc_error != 0; next++) + continue; + + ASSERT(next <= tgts[curr + 1]); + + /* + * If that spot is available, we're done here. + */ + if (next != tgts[curr + 1]) + break; + + /* + * Otherwise, find the next valid column after + * the previous position. + */ + for (c = tgts[curr - 1] + 1; + rm->rm_col[c].rc_error != 0; c++) + continue; + + tgts[curr] = c; + curr++; + + } while (curr != n); + } + } + n--; +done: + for (i = 0; i < n; i++) { + zio_buf_free(orig[i], rm->rm_col[0].rc_size); + } + + return (ret); +} + +/* + * Complete an IO operation on a RAIDZ VDev + * + * Outline: + * - For write operations: + * 1. Check for errors on the child IOs. + * 2. Return, setting an error code if too few child VDevs were written + * to reconstruct the data later. Note that partial writes are + * considered successful if they can be reconstructed at all. + * - For read operations: + * 1. Check for errors on the child IOs. + * 2. If data errors occurred: + * a. Try to reassemble the data from the parity available. + * b. If we haven't yet read the parity drives, read them now. + * c. If all parity drives have been read but the data still doesn't + * reassemble with a correct checksum, then try combinatorial + * reconstruction. + * d. If that doesn't work, return an error. + * 3. If there were unexpected errors or this is a resilver operation, + * rewrite the vdevs that had errors. + */ +static void +vdev_raidz_io_done(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + vdev_t *cvd; + raidz_map_t *rm = zio->io_vsd; + raidz_col_t *rc = NULL; + int unexpected_errors = 0; + int parity_errors = 0; + int parity_untried = 0; + int data_errors = 0; + int total_errors = 0; + int n, c; + int tgts[VDEV_RAIDZ_MAXPARITY]; + int code; + + ASSERT(zio->io_bp != NULL); /* XXX need to add code to enforce this */ + + ASSERT(rm->rm_missingparity <= rm->rm_firstdatacol); + ASSERT(rm->rm_missingdata <= rm->rm_cols - rm->rm_firstdatacol); + + for (c = 0; c < rm->rm_cols; c++) { + rc = &rm->rm_col[c]; + + if (rc->rc_error) { + ASSERT(rc->rc_error != ECKSUM); /* child has no bp */ + + if (c < rm->rm_firstdatacol) + parity_errors++; + else + data_errors++; + + if (!rc->rc_skipped) + unexpected_errors++; + + total_errors++; + } else if (c < rm->rm_firstdatacol && !rc->rc_tried) { + parity_untried++; + } + } + + if (zio->io_type == ZIO_TYPE_WRITE) { + /* + * XXX -- for now, treat partial writes as a success. + * (If we couldn't write enough columns to reconstruct + * the data, the I/O failed. Otherwise, good enough.) + * + * Now that we support write reallocation, it would be better + * to treat partial failure as real failure unless there are + * no non-degraded top-level vdevs left, and not update DTLs + * if we intend to reallocate. + */ + /* XXPOLICY */ + if (total_errors > rm->rm_firstdatacol) + zio->io_error = vdev_raidz_worst_error(rm); + + return; + } + + ASSERT(zio->io_type == ZIO_TYPE_READ); + /* + * There are three potential phases for a read: + * 1. produce valid data from the columns read + * 2. read all disks and try again + * 3. perform combinatorial reconstruction + * + * Each phase is progressively both more expensive and less likely to + * occur. If we encounter more errors than we can repair or all phases + * fail, we have no choice but to return an error. + */ + + /* + * If the number of errors we saw was correctable -- less than or equal + * to the number of parity disks read -- attempt to produce data that + * has a valid checksum. Naturally, this case applies in the absence of + * any errors. + */ + if (total_errors <= rm->rm_firstdatacol - parity_untried) { + if (data_errors == 0) { + if (raidz_checksum_verify(zio) == 0) { + /* + * If we read parity information (unnecessarily + * as it happens since no reconstruction was + * needed) regenerate and verify the parity. + * We also regenerate parity when resilvering + * so we can write it out to the failed device + * later. + */ + if (parity_errors + parity_untried < + rm->rm_firstdatacol || + (zio->io_flags & ZIO_FLAG_RESILVER)) { + n = raidz_parity_verify(zio, rm); + unexpected_errors += n; + ASSERT(parity_errors + n <= + rm->rm_firstdatacol); + } + goto done; + } + } else { + /* + * We either attempt to read all the parity columns or + * none of them. If we didn't try to read parity, we + * wouldn't be here in the correctable case. There must + * also have been fewer parity errors than parity + * columns or, again, we wouldn't be in this code path. + */ + ASSERT(parity_untried == 0); + ASSERT(parity_errors < rm->rm_firstdatacol); + + /* + * Identify the data columns that reported an error. + */ + n = 0; + for (c = rm->rm_firstdatacol; c < rm->rm_cols; c++) { + rc = &rm->rm_col[c]; + if (rc->rc_error != 0) { + ASSERT(n < VDEV_RAIDZ_MAXPARITY); + tgts[n++] = c; + } + } + + ASSERT(rm->rm_firstdatacol >= n); + + code = vdev_raidz_reconstruct(rm, tgts, n); + + if (raidz_checksum_verify(zio) == 0) { + atomic_inc_64(&raidz_corrected[code]); + + /* + * If we read more parity disks than were used + * for reconstruction, confirm that the other + * parity disks produced correct data. This + * routine is suboptimal in that it regenerates + * the parity that we already used in addition + * to the parity that we're attempting to + * verify, but this should be a relatively + * uncommon case, and can be optimized if it + * becomes a problem. Note that we regenerate + * parity when resilvering so we can write it + * out to failed devices later. + */ + if (parity_errors < rm->rm_firstdatacol - n || + (zio->io_flags & ZIO_FLAG_RESILVER)) { + n = raidz_parity_verify(zio, rm); + unexpected_errors += n; + ASSERT(parity_errors + n <= + rm->rm_firstdatacol); + } + + goto done; + } + } + } + + /* + * This isn't a typical situation -- either we got a read error or + * a child silently returned bad data. Read every block so we can + * try again with as much data and parity as we can track down. If + * we've already been through once before, all children will be marked + * as tried so we'll proceed to combinatorial reconstruction. + */ + unexpected_errors = 1; + rm->rm_missingdata = 0; + rm->rm_missingparity = 0; + + for (c = 0; c < rm->rm_cols; c++) { + if (rm->rm_col[c].rc_tried) + continue; + + zio_vdev_io_redone(zio); + do { + rc = &rm->rm_col[c]; + if (rc->rc_tried) + continue; + zio_nowait(zio_vdev_child_io(zio, NULL, + vd->vdev_child[rc->rc_devidx], + rc->rc_offset, rc->rc_data, rc->rc_size, + zio->io_type, zio->io_priority, 0, + vdev_raidz_child_done, rc)); + } while (++c < rm->rm_cols); + + return; + } + + /* + * At this point we've attempted to reconstruct the data given the + * errors we detected, and we've attempted to read all columns. There + * must, therefore, be one or more additional problems -- silent errors + * resulting in invalid data rather than explicit I/O errors resulting + * in absent data. We check if there is enough additional data to + * possibly reconstruct the data and then perform combinatorial + * reconstruction over all possible combinations. If that fails, + * we're cooked. + */ + if (total_errors > rm->rm_firstdatacol) { + zio->io_error = vdev_raidz_worst_error(rm); + + } else if (total_errors < rm->rm_firstdatacol && + (code = vdev_raidz_combrec(zio, total_errors, data_errors)) != 0) { + /* + * If we didn't use all the available parity for the + * combinatorial reconstruction, verify that the remaining + * parity is correct. + */ + if (code != (1 << rm->rm_firstdatacol) - 1) + (void) raidz_parity_verify(zio, rm); + } else { + /* + * We're here because either: + * + * total_errors == rm_first_datacol, or + * vdev_raidz_combrec() failed + * + * In either case, there is enough bad data to prevent + * reconstruction. + * + * Start checksum ereports for all children which haven't + * failed, and the IO wasn't speculative. + */ + zio->io_error = SET_ERROR(ECKSUM); + + if (!(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { + for (c = 0; c < rm->rm_cols; c++) { + rc = &rm->rm_col[c]; + if (rc->rc_error == 0) { + zio_bad_cksum_t zbc; + zbc.zbc_has_cksum = 0; + zbc.zbc_injected = + rm->rm_ecksuminjected; + + zfs_ereport_start_checksum( + zio->io_spa, + vd->vdev_child[rc->rc_devidx], + zio, rc->rc_offset, rc->rc_size, + (void *)(uintptr_t)c, &zbc); + } + } + } + } + +done: + zio_checksum_verified(zio); + + if (zio->io_error == 0 && spa_writeable(zio->io_spa) && + (unexpected_errors || (zio->io_flags & ZIO_FLAG_RESILVER))) { + /* + * Use the good data we have in hand to repair damaged children. + */ + for (c = 0; c < rm->rm_cols; c++) { + rc = &rm->rm_col[c]; + cvd = vd->vdev_child[rc->rc_devidx]; + + if (rc->rc_error == 0) + continue; + + zio_nowait(zio_vdev_child_io(zio, NULL, cvd, + rc->rc_offset, rc->rc_data, rc->rc_size, + ZIO_TYPE_WRITE, ZIO_PRIORITY_ASYNC_WRITE, + ZIO_FLAG_IO_REPAIR | (unexpected_errors ? + ZIO_FLAG_SELF_HEAL : 0), NULL, NULL)); + } + } +} + +static void +vdev_raidz_state_change(vdev_t *vd, int faulted, int degraded) +{ + if (faulted > vd->vdev_nparity) + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_NO_REPLICAS); + else if (degraded + faulted != 0) + vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, VDEV_AUX_NONE); + else + vdev_set_state(vd, B_FALSE, VDEV_STATE_HEALTHY, VDEV_AUX_NONE); +} + +vdev_ops_t vdev_raidz_ops = { + vdev_raidz_open, + vdev_raidz_close, + vdev_raidz_asize, + vdev_raidz_io_start, + vdev_raidz_io_done, + vdev_raidz_state_change, + NULL, + NULL, + VDEV_TYPE_RAIDZ, /* name of this vdev type */ + B_FALSE /* not a leaf vdev */ +}; diff --git a/zfs/module/zfs/vdev_root.c b/zfs/module/zfs/vdev_root.c new file mode 100644 index 000000000000..90250b0fb99c --- /dev/null +++ b/zfs/module/zfs/vdev_root.c @@ -0,0 +1,125 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include + +/* + * Virtual device vector for the pool's root vdev. + */ + +/* + * We should be able to tolerate one failure with absolutely no damage + * to our metadata. Two failures will take out space maps, a bunch of + * indirect block trees, meta dnodes, dnodes, etc. Probably not a happy + * place to live. When we get smarter, we can liberalize this policy. + * e.g. If we haven't lost two consecutive top-level vdevs, then we are + * probably fine. Adding bean counters during alloc/free can make this + * future guesswork more accurate. + */ +static int +too_many_errors(vdev_t *vd, int numerrors) +{ + ASSERT3U(numerrors, <=, vd->vdev_children); + return (numerrors > 0); +} + +static int +vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize, + uint64_t *ashift) +{ + int lasterror = 0; + int numerrors = 0; + int c; + + if (vd->vdev_children == 0) { + vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL; + return (SET_ERROR(EINVAL)); + } + + vdev_open_children(vd); + + for (c = 0; c < vd->vdev_children; c++) { + vdev_t *cvd = vd->vdev_child[c]; + + if (cvd->vdev_open_error && !cvd->vdev_islog) { + lasterror = cvd->vdev_open_error; + numerrors++; + } + } + + if (too_many_errors(vd, numerrors)) { + vd->vdev_stat.vs_aux = VDEV_AUX_NO_REPLICAS; + return (lasterror); + } + + *asize = 0; + *max_asize = 0; + *ashift = 0; + + return (0); +} + +static void +vdev_root_close(vdev_t *vd) +{ + int c; + + for (c = 0; c < vd->vdev_children; c++) + vdev_close(vd->vdev_child[c]); +} + +static void +vdev_root_state_change(vdev_t *vd, int faulted, int degraded) +{ + if (too_many_errors(vd, faulted)) { + vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_NO_REPLICAS); + } else if (degraded) { + vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, VDEV_AUX_NONE); + } else { + vdev_set_state(vd, B_FALSE, VDEV_STATE_HEALTHY, VDEV_AUX_NONE); + } +} + +vdev_ops_t vdev_root_ops = { + vdev_root_open, + vdev_root_close, + vdev_default_asize, + NULL, /* io_start - not applicable to the root */ + NULL, /* io_done - not applicable to the root */ + vdev_root_state_change, + NULL, + NULL, + VDEV_TYPE_ROOT, /* name of this vdev type */ + B_FALSE /* not a leaf vdev */ +}; diff --git a/zfs/module/zfs/zap.c b/zfs/module/zfs/zap.c new file mode 100644 index 000000000000..c9398e885fda --- /dev/null +++ b/zfs/module/zfs/zap.c @@ -0,0 +1,1372 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +/* + * This file contains the top half of the zfs directory structure + * implementation. The bottom half is in zap_leaf.c. + * + * The zdir is an extendable hash data structure. There is a table of + * pointers to buckets (zap_t->zd_data->zd_leafs). The buckets are + * each a constant size and hold a variable number of directory entries. + * The buckets (aka "leaf nodes") are implemented in zap_leaf.c. + * + * The pointer table holds a power of 2 number of pointers. + * (1<zd_data->zd_phys->zd_prefix_len). The bucket pointed to + * by the pointer at index i in the table holds entries whose hash value + * has a zd_prefix_len - bit prefix + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +int fzap_default_block_shift = 14; /* 16k blocksize */ + +extern inline zap_phys_t *zap_f_phys(zap_t *zap); + +static uint64_t zap_allocate_blocks(zap_t *zap, int nblocks); + +void +fzap_byteswap(void *vbuf, size_t size) +{ + uint64_t block_type; + + block_type = *(uint64_t *)vbuf; + + if (block_type == ZBT_LEAF || block_type == BSWAP_64(ZBT_LEAF)) + zap_leaf_byteswap(vbuf, size); + else { + /* it's a ptrtbl block */ + byteswap_uint64_array(vbuf, size); + } +} + +void +fzap_upgrade(zap_t *zap, dmu_tx_t *tx, zap_flags_t flags) +{ + dmu_buf_t *db; + zap_leaf_t *l; + int i; + zap_phys_t *zp; + + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + zap->zap_ismicro = FALSE; + + zap->zap_dbu.dbu_evict_func = zap_evict; + + mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0); + zap->zap_f.zap_block_shift = highbit64(zap->zap_dbuf->db_size) - 1; + + zp = zap_f_phys(zap); + /* + * explicitly zero it since it might be coming from an + * initialized microzap + */ + bzero(zap->zap_dbuf->db_data, zap->zap_dbuf->db_size); + zp->zap_block_type = ZBT_HEADER; + zp->zap_magic = ZAP_MAGIC; + + zp->zap_ptrtbl.zt_shift = ZAP_EMBEDDED_PTRTBL_SHIFT(zap); + + zp->zap_freeblk = 2; /* block 1 will be the first leaf */ + zp->zap_num_leafs = 1; + zp->zap_num_entries = 0; + zp->zap_salt = zap->zap_salt; + zp->zap_normflags = zap->zap_normflags; + zp->zap_flags = flags; + + /* block 1 will be the first leaf */ + for (i = 0; i < (1<zap_ptrtbl.zt_shift); i++) + ZAP_EMBEDDED_PTRTBL_ENT(zap, i) = 1; + + /* + * set up block 1 - the first leaf + */ + VERIFY(0 == dmu_buf_hold(zap->zap_objset, zap->zap_object, + 1<l_dbuf = db; + + zap_leaf_init(l, zp->zap_normflags != 0); + + kmem_free(l, sizeof (zap_leaf_t)); + dmu_buf_rele(db, FTAG); +} + +static int +zap_tryupgradedir(zap_t *zap, dmu_tx_t *tx) +{ + if (RW_WRITE_HELD(&zap->zap_rwlock)) + return (1); + if (rw_tryupgrade(&zap->zap_rwlock)) { + dmu_buf_will_dirty(zap->zap_dbuf, tx); + return (1); + } + return (0); +} + +/* + * Generic routines for dealing with the pointer & cookie tables. + */ + +static int +zap_table_grow(zap_t *zap, zap_table_phys_t *tbl, + void (*transfer_func)(const uint64_t *src, uint64_t *dst, int n), + dmu_tx_t *tx) +{ + uint64_t b, newblk; + dmu_buf_t *db_old, *db_new; + int err; + int bs = FZAP_BLOCK_SHIFT(zap); + int hepb = 1<<(bs-4); + /* hepb = half the number of entries in a block */ + + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + ASSERT(tbl->zt_blk != 0); + ASSERT(tbl->zt_numblks > 0); + + if (tbl->zt_nextblk != 0) { + newblk = tbl->zt_nextblk; + } else { + newblk = zap_allocate_blocks(zap, tbl->zt_numblks * 2); + tbl->zt_nextblk = newblk; + ASSERT0(tbl->zt_blks_copied); + dmu_prefetch(zap->zap_objset, zap->zap_object, + tbl->zt_blk << bs, tbl->zt_numblks << bs); + } + + /* + * Copy the ptrtbl from the old to new location. + */ + + b = tbl->zt_blks_copied; + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + (tbl->zt_blk + b) << bs, FTAG, &db_old, DMU_READ_NO_PREFETCH); + if (err) + return (err); + + /* first half of entries in old[b] go to new[2*b+0] */ + VERIFY(0 == dmu_buf_hold(zap->zap_objset, zap->zap_object, + (newblk + 2*b+0) << bs, FTAG, &db_new, DMU_READ_NO_PREFETCH)); + dmu_buf_will_dirty(db_new, tx); + transfer_func(db_old->db_data, db_new->db_data, hepb); + dmu_buf_rele(db_new, FTAG); + + /* second half of entries in old[b] go to new[2*b+1] */ + VERIFY(0 == dmu_buf_hold(zap->zap_objset, zap->zap_object, + (newblk + 2*b+1) << bs, FTAG, &db_new, DMU_READ_NO_PREFETCH)); + dmu_buf_will_dirty(db_new, tx); + transfer_func((uint64_t *)db_old->db_data + hepb, + db_new->db_data, hepb); + dmu_buf_rele(db_new, FTAG); + + dmu_buf_rele(db_old, FTAG); + + tbl->zt_blks_copied++; + + dprintf("copied block %llu of %llu\n", + tbl->zt_blks_copied, tbl->zt_numblks); + + if (tbl->zt_blks_copied == tbl->zt_numblks) { + (void) dmu_free_range(zap->zap_objset, zap->zap_object, + tbl->zt_blk << bs, tbl->zt_numblks << bs, tx); + + tbl->zt_blk = newblk; + tbl->zt_numblks *= 2; + tbl->zt_shift++; + tbl->zt_nextblk = 0; + tbl->zt_blks_copied = 0; + + dprintf("finished; numblocks now %llu (%uk entries)\n", + tbl->zt_numblks, 1<<(tbl->zt_shift-10)); + } + + return (0); +} + +static int +zap_table_store(zap_t *zap, zap_table_phys_t *tbl, uint64_t idx, uint64_t val, + dmu_tx_t *tx) +{ + int err; + uint64_t blk, off; + int bs = FZAP_BLOCK_SHIFT(zap); + dmu_buf_t *db; + + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + ASSERT(tbl->zt_blk != 0); + + dprintf("storing %llx at index %llx\n", val, idx); + + blk = idx >> (bs-3); + off = idx & ((1<<(bs-3))-1); + + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + (tbl->zt_blk + blk) << bs, FTAG, &db, DMU_READ_NO_PREFETCH); + if (err) + return (err); + dmu_buf_will_dirty(db, tx); + + if (tbl->zt_nextblk != 0) { + uint64_t idx2 = idx * 2; + uint64_t blk2 = idx2 >> (bs-3); + uint64_t off2 = idx2 & ((1<<(bs-3))-1); + dmu_buf_t *db2; + + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + (tbl->zt_nextblk + blk2) << bs, FTAG, &db2, + DMU_READ_NO_PREFETCH); + if (err) { + dmu_buf_rele(db, FTAG); + return (err); + } + dmu_buf_will_dirty(db2, tx); + ((uint64_t *)db2->db_data)[off2] = val; + ((uint64_t *)db2->db_data)[off2+1] = val; + dmu_buf_rele(db2, FTAG); + } + + ((uint64_t *)db->db_data)[off] = val; + dmu_buf_rele(db, FTAG); + + return (0); +} + +static int +zap_table_load(zap_t *zap, zap_table_phys_t *tbl, uint64_t idx, uint64_t *valp) +{ + uint64_t blk, off; + int err; + dmu_buf_t *db; + int bs = FZAP_BLOCK_SHIFT(zap); + + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + + blk = idx >> (bs-3); + off = idx & ((1<<(bs-3))-1); + + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + (tbl->zt_blk + blk) << bs, FTAG, &db, DMU_READ_NO_PREFETCH); + if (err) + return (err); + *valp = ((uint64_t *)db->db_data)[off]; + dmu_buf_rele(db, FTAG); + + if (tbl->zt_nextblk != 0) { + /* + * read the nextblk for the sake of i/o error checking, + * so that zap_table_load() will catch errors for + * zap_table_store. + */ + blk = (idx*2) >> (bs-3); + + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + (tbl->zt_nextblk + blk) << bs, FTAG, &db, + DMU_READ_NO_PREFETCH); + if (err == 0) + dmu_buf_rele(db, FTAG); + } + return (err); +} + +/* + * Routines for growing the ptrtbl. + */ + +static void +zap_ptrtbl_transfer(const uint64_t *src, uint64_t *dst, int n) +{ + int i; + for (i = 0; i < n; i++) { + uint64_t lb = src[i]; + dst[2*i+0] = lb; + dst[2*i+1] = lb; + } +} + +static int +zap_grow_ptrtbl(zap_t *zap, dmu_tx_t *tx) +{ + /* + * The pointer table should never use more hash bits than we + * have (otherwise we'd be using useless zero bits to index it). + * If we are within 2 bits of running out, stop growing, since + * this is already an aberrant condition. + */ + if (zap_f_phys(zap)->zap_ptrtbl.zt_shift >= zap_hashbits(zap) - 2) + return (SET_ERROR(ENOSPC)); + + if (zap_f_phys(zap)->zap_ptrtbl.zt_numblks == 0) { + /* + * We are outgrowing the "embedded" ptrtbl (the one + * stored in the header block). Give it its own entire + * block, which will double the size of the ptrtbl. + */ + uint64_t newblk; + dmu_buf_t *db_new; + int err; + + ASSERT3U(zap_f_phys(zap)->zap_ptrtbl.zt_shift, ==, + ZAP_EMBEDDED_PTRTBL_SHIFT(zap)); + ASSERT0(zap_f_phys(zap)->zap_ptrtbl.zt_blk); + + newblk = zap_allocate_blocks(zap, 1); + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + newblk << FZAP_BLOCK_SHIFT(zap), FTAG, &db_new, + DMU_READ_NO_PREFETCH); + if (err) + return (err); + dmu_buf_will_dirty(db_new, tx); + zap_ptrtbl_transfer(&ZAP_EMBEDDED_PTRTBL_ENT(zap, 0), + db_new->db_data, 1 << ZAP_EMBEDDED_PTRTBL_SHIFT(zap)); + dmu_buf_rele(db_new, FTAG); + + zap_f_phys(zap)->zap_ptrtbl.zt_blk = newblk; + zap_f_phys(zap)->zap_ptrtbl.zt_numblks = 1; + zap_f_phys(zap)->zap_ptrtbl.zt_shift++; + + ASSERT3U(1ULL << zap_f_phys(zap)->zap_ptrtbl.zt_shift, ==, + zap_f_phys(zap)->zap_ptrtbl.zt_numblks << + (FZAP_BLOCK_SHIFT(zap)-3)); + + return (0); + } else { + return (zap_table_grow(zap, &zap_f_phys(zap)->zap_ptrtbl, + zap_ptrtbl_transfer, tx)); + } +} + +static void +zap_increment_num_entries(zap_t *zap, int delta, dmu_tx_t *tx) +{ + dmu_buf_will_dirty(zap->zap_dbuf, tx); + mutex_enter(&zap->zap_f.zap_num_entries_mtx); + ASSERT(delta > 0 || zap_f_phys(zap)->zap_num_entries >= -delta); + zap_f_phys(zap)->zap_num_entries += delta; + mutex_exit(&zap->zap_f.zap_num_entries_mtx); +} + +static uint64_t +zap_allocate_blocks(zap_t *zap, int nblocks) +{ + uint64_t newblk; + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + newblk = zap_f_phys(zap)->zap_freeblk; + zap_f_phys(zap)->zap_freeblk += nblocks; + return (newblk); +} + +static void +zap_leaf_pageout(void *dbu) +{ + zap_leaf_t *l = dbu; + + rw_destroy(&l->l_rwlock); + kmem_free(l, sizeof (zap_leaf_t)); +} + +static zap_leaf_t * +zap_create_leaf(zap_t *zap, dmu_tx_t *tx) +{ + void *winner; + zap_leaf_t *l = kmem_zalloc(sizeof (zap_leaf_t), KM_SLEEP); + + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + + rw_init(&l->l_rwlock, NULL, RW_DEFAULT, NULL); + rw_enter(&l->l_rwlock, RW_WRITER); + l->l_blkid = zap_allocate_blocks(zap, 1); + l->l_dbuf = NULL; + + VERIFY(0 == dmu_buf_hold(zap->zap_objset, zap->zap_object, + l->l_blkid << FZAP_BLOCK_SHIFT(zap), NULL, &l->l_dbuf, + DMU_READ_NO_PREFETCH)); + dmu_buf_init_user(&l->l_dbu, zap_leaf_pageout, &l->l_dbuf); + winner = dmu_buf_set_user(l->l_dbuf, &l->l_dbu); + ASSERT(winner == NULL); + dmu_buf_will_dirty(l->l_dbuf, tx); + + zap_leaf_init(l, zap->zap_normflags != 0); + + zap_f_phys(zap)->zap_num_leafs++; + + return (l); +} + +int +fzap_count(zap_t *zap, uint64_t *count) +{ + ASSERT(!zap->zap_ismicro); + mutex_enter(&zap->zap_f.zap_num_entries_mtx); /* unnecessary */ + *count = zap_f_phys(zap)->zap_num_entries; + mutex_exit(&zap->zap_f.zap_num_entries_mtx); + return (0); +} + +/* + * Routines for obtaining zap_leaf_t's + */ + +void +zap_put_leaf(zap_leaf_t *l) +{ + rw_exit(&l->l_rwlock); + dmu_buf_rele(l->l_dbuf, NULL); +} + +static zap_leaf_t * +zap_open_leaf(uint64_t blkid, dmu_buf_t *db) +{ + zap_leaf_t *l, *winner; + + ASSERT(blkid != 0); + + l = kmem_zalloc(sizeof (zap_leaf_t), KM_SLEEP); + rw_init(&l->l_rwlock, NULL, RW_DEFAULT, NULL); + rw_enter(&l->l_rwlock, RW_WRITER); + l->l_blkid = blkid; + l->l_bs = highbit64(db->db_size) - 1; + l->l_dbuf = db; + + dmu_buf_init_user(&l->l_dbu, zap_leaf_pageout, &l->l_dbuf); + winner = dmu_buf_set_user(db, &l->l_dbu); + + rw_exit(&l->l_rwlock); + if (winner != NULL) { + /* someone else set it first */ + zap_leaf_pageout(&l->l_dbu); + l = winner; + } + + /* + * lhr_pad was previously used for the next leaf in the leaf + * chain. There should be no chained leafs (as we have removed + * support for them). + */ + ASSERT0(zap_leaf_phys(l)->l_hdr.lh_pad1); + + /* + * There should be more hash entries than there can be + * chunks to put in the hash table + */ + ASSERT3U(ZAP_LEAF_HASH_NUMENTRIES(l), >, ZAP_LEAF_NUMCHUNKS(l) / 3); + + /* The chunks should begin at the end of the hash table */ + ASSERT3P(&ZAP_LEAF_CHUNK(l, 0), ==, (zap_leaf_chunk_t *) + &zap_leaf_phys(l)->l_hash[ZAP_LEAF_HASH_NUMENTRIES(l)]); + + /* The chunks should end at the end of the block */ + ASSERT3U((uintptr_t)&ZAP_LEAF_CHUNK(l, ZAP_LEAF_NUMCHUNKS(l)) - + (uintptr_t)zap_leaf_phys(l), ==, l->l_dbuf->db_size); + + return (l); +} + +static int +zap_get_leaf_byblk(zap_t *zap, uint64_t blkid, dmu_tx_t *tx, krw_t lt, + zap_leaf_t **lp) +{ + dmu_buf_t *db; + zap_leaf_t *l; + int bs = FZAP_BLOCK_SHIFT(zap); + int err; + + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + + /* + * If system crashed just after dmu_free_long_range in zfs_rmnode, we + * would be left with an empty xattr dir in delete queue. blkid=0 + * would be passed in when doing zfs_purgedir. If that's the case we + * should just return immediately. The underlying objects should + * already be freed, so this should be perfectly fine. + */ + if (blkid == 0) + return (ENOENT); + + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + blkid << bs, NULL, &db, DMU_READ_NO_PREFETCH); + if (err) + return (err); + + ASSERT3U(db->db_object, ==, zap->zap_object); + ASSERT3U(db->db_offset, ==, blkid << bs); + ASSERT3U(db->db_size, ==, 1 << bs); + ASSERT(blkid != 0); + + l = dmu_buf_get_user(db); + + if (l == NULL) + l = zap_open_leaf(blkid, db); + + rw_enter(&l->l_rwlock, lt); + /* + * Must lock before dirtying, otherwise zap_leaf_phys(l) could change, + * causing ASSERT below to fail. + */ + if (lt == RW_WRITER) + dmu_buf_will_dirty(db, tx); + ASSERT3U(l->l_blkid, ==, blkid); + ASSERT3P(l->l_dbuf, ==, db); + ASSERT3U(zap_leaf_phys(l)->l_hdr.lh_block_type, ==, ZBT_LEAF); + ASSERT3U(zap_leaf_phys(l)->l_hdr.lh_magic, ==, ZAP_LEAF_MAGIC); + + *lp = l; + return (0); +} + +static int +zap_idx_to_blk(zap_t *zap, uint64_t idx, uint64_t *valp) +{ + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + + if (zap_f_phys(zap)->zap_ptrtbl.zt_numblks == 0) { + ASSERT3U(idx, <, + (1ULL << zap_f_phys(zap)->zap_ptrtbl.zt_shift)); + *valp = ZAP_EMBEDDED_PTRTBL_ENT(zap, idx); + return (0); + } else { + return (zap_table_load(zap, &zap_f_phys(zap)->zap_ptrtbl, + idx, valp)); + } +} + +static int +zap_set_idx_to_blk(zap_t *zap, uint64_t idx, uint64_t blk, dmu_tx_t *tx) +{ + ASSERT(tx != NULL); + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + + if (zap_f_phys(zap)->zap_ptrtbl.zt_blk == 0) { + ZAP_EMBEDDED_PTRTBL_ENT(zap, idx) = blk; + return (0); + } else { + return (zap_table_store(zap, &zap_f_phys(zap)->zap_ptrtbl, + idx, blk, tx)); + } +} + +static int +zap_deref_leaf(zap_t *zap, uint64_t h, dmu_tx_t *tx, krw_t lt, zap_leaf_t **lp) +{ + uint64_t idx, blk; + int err; + + ASSERT(zap->zap_dbuf == NULL || + zap_f_phys(zap) == zap->zap_dbuf->db_data); + ASSERT3U(zap_f_phys(zap)->zap_magic, ==, ZAP_MAGIC); + idx = ZAP_HASH_IDX(h, zap_f_phys(zap)->zap_ptrtbl.zt_shift); + err = zap_idx_to_blk(zap, idx, &blk); + if (err != 0) + return (err); + err = zap_get_leaf_byblk(zap, blk, tx, lt, lp); + + ASSERT(err || + ZAP_HASH_IDX(h, zap_leaf_phys(*lp)->l_hdr.lh_prefix_len) == + zap_leaf_phys(*lp)->l_hdr.lh_prefix); + return (err); +} + +static int +zap_expand_leaf(zap_name_t *zn, zap_leaf_t *l, dmu_tx_t *tx, zap_leaf_t **lp) +{ + zap_t *zap = zn->zn_zap; + uint64_t hash = zn->zn_hash; + zap_leaf_t *nl; + int prefix_diff, i, err; + uint64_t sibling; + int old_prefix_len = zap_leaf_phys(l)->l_hdr.lh_prefix_len; + + ASSERT3U(old_prefix_len, <=, zap_f_phys(zap)->zap_ptrtbl.zt_shift); + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + + ASSERT3U(ZAP_HASH_IDX(hash, old_prefix_len), ==, + zap_leaf_phys(l)->l_hdr.lh_prefix); + + if (zap_tryupgradedir(zap, tx) == 0 || + old_prefix_len == zap_f_phys(zap)->zap_ptrtbl.zt_shift) { + /* We failed to upgrade, or need to grow the pointer table */ + objset_t *os = zap->zap_objset; + uint64_t object = zap->zap_object; + + zap_put_leaf(l); + zap_unlockdir(zap); + err = zap_lockdir(os, object, tx, RW_WRITER, + FALSE, FALSE, &zn->zn_zap); + zap = zn->zn_zap; + if (err) + return (err); + ASSERT(!zap->zap_ismicro); + + while (old_prefix_len == + zap_f_phys(zap)->zap_ptrtbl.zt_shift) { + err = zap_grow_ptrtbl(zap, tx); + if (err) + return (err); + } + + err = zap_deref_leaf(zap, hash, tx, RW_WRITER, &l); + if (err) + return (err); + + if (zap_leaf_phys(l)->l_hdr.lh_prefix_len != old_prefix_len) { + /* it split while our locks were down */ + *lp = l; + return (0); + } + } + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + ASSERT3U(old_prefix_len, <, zap_f_phys(zap)->zap_ptrtbl.zt_shift); + ASSERT3U(ZAP_HASH_IDX(hash, old_prefix_len), ==, + zap_leaf_phys(l)->l_hdr.lh_prefix); + + prefix_diff = zap_f_phys(zap)->zap_ptrtbl.zt_shift - + (old_prefix_len + 1); + sibling = (ZAP_HASH_IDX(hash, old_prefix_len + 1) | 1) << prefix_diff; + + /* check for i/o errors before doing zap_leaf_split */ + for (i = 0; i < (1ULL<l_blkid); + } + + nl = zap_create_leaf(zap, tx); + zap_leaf_split(l, nl, zap->zap_normflags != 0); + + /* set sibling pointers */ + for (i = 0; i < (1ULL << prefix_diff); i++) { + err = zap_set_idx_to_blk(zap, sibling+i, nl->l_blkid, tx); + ASSERT0(err); /* we checked for i/o errors above */ + } + + if (hash & (1ULL << (64 - zap_leaf_phys(l)->l_hdr.lh_prefix_len))) { + /* we want the sibling */ + zap_put_leaf(l); + *lp = nl; + } else { + zap_put_leaf(nl); + *lp = l; + } + + return (0); +} + +static void +zap_put_leaf_maybe_grow_ptrtbl(zap_name_t *zn, zap_leaf_t *l, dmu_tx_t *tx) +{ + zap_t *zap = zn->zn_zap; + int shift = zap_f_phys(zap)->zap_ptrtbl.zt_shift; + int leaffull = (zap_leaf_phys(l)->l_hdr.lh_prefix_len == shift && + zap_leaf_phys(l)->l_hdr.lh_nfree < ZAP_LEAF_LOW_WATER); + + zap_put_leaf(l); + + if (leaffull || zap_f_phys(zap)->zap_ptrtbl.zt_nextblk) { + int err; + + /* + * We are in the middle of growing the pointer table, or + * this leaf will soon make us grow it. + */ + if (zap_tryupgradedir(zap, tx) == 0) { + objset_t *os = zap->zap_objset; + uint64_t zapobj = zap->zap_object; + + zap_unlockdir(zap); + err = zap_lockdir(os, zapobj, tx, + RW_WRITER, FALSE, FALSE, &zn->zn_zap); + zap = zn->zn_zap; + if (err) + return; + } + + /* could have finished growing while our locks were down */ + if (zap_f_phys(zap)->zap_ptrtbl.zt_shift == shift) + (void) zap_grow_ptrtbl(zap, tx); + } +} + +static int +fzap_checkname(zap_name_t *zn) +{ + if (zn->zn_key_orig_numints * zn->zn_key_intlen > ZAP_MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + return (0); +} + +static int +fzap_checksize(uint64_t integer_size, uint64_t num_integers) +{ + /* Only integer sizes supported by C */ + switch (integer_size) { + case 1: + case 2: + case 4: + case 8: + break; + default: + return (SET_ERROR(EINVAL)); + } + + if (integer_size * num_integers > ZAP_MAXVALUELEN) + return (E2BIG); + + return (0); +} + +static int +fzap_check(zap_name_t *zn, uint64_t integer_size, uint64_t num_integers) +{ + int err; + + if ((err = fzap_checkname(zn)) != 0) + return (err); + return (fzap_checksize(integer_size, num_integers)); +} + +/* + * Routines for manipulating attributes. + */ +int +fzap_lookup(zap_name_t *zn, + uint64_t integer_size, uint64_t num_integers, void *buf, + char *realname, int rn_len, boolean_t *ncp) +{ + zap_leaf_t *l; + int err; + zap_entry_handle_t zeh; + + if ((err = fzap_checkname(zn)) != 0) + return (err); + + err = zap_deref_leaf(zn->zn_zap, zn->zn_hash, NULL, RW_READER, &l); + if (err != 0) + return (err); + err = zap_leaf_lookup(l, zn, &zeh); + if (err == 0) { + if ((err = fzap_checksize(integer_size, num_integers)) != 0) { + zap_put_leaf(l); + return (err); + } + + err = zap_entry_read(&zeh, integer_size, num_integers, buf); + (void) zap_entry_read_name(zn->zn_zap, &zeh, rn_len, realname); + if (ncp) { + *ncp = zap_entry_normalization_conflict(&zeh, + zn, NULL, zn->zn_zap); + } + } + + zap_put_leaf(l); + return (err); +} + +int +fzap_add_cd(zap_name_t *zn, + uint64_t integer_size, uint64_t num_integers, + const void *val, uint32_t cd, dmu_tx_t *tx) +{ + zap_leaf_t *l; + int err; + zap_entry_handle_t zeh; + zap_t *zap = zn->zn_zap; + + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + ASSERT(!zap->zap_ismicro); + ASSERT(fzap_check(zn, integer_size, num_integers) == 0); + + err = zap_deref_leaf(zap, zn->zn_hash, tx, RW_WRITER, &l); + if (err != 0) + return (err); +retry: + err = zap_leaf_lookup(l, zn, &zeh); + if (err == 0) { + err = SET_ERROR(EEXIST); + goto out; + } + if (err != ENOENT) + goto out; + + err = zap_entry_create(l, zn, cd, + integer_size, num_integers, val, &zeh); + + if (err == 0) { + zap_increment_num_entries(zap, 1, tx); + } else if (err == EAGAIN) { + err = zap_expand_leaf(zn, l, tx, &l); + zap = zn->zn_zap; /* zap_expand_leaf() may change zap */ + if (err == 0) + goto retry; + } + +out: + if (zap != NULL) + zap_put_leaf_maybe_grow_ptrtbl(zn, l, tx); + return (err); +} + +int +fzap_add(zap_name_t *zn, + uint64_t integer_size, uint64_t num_integers, + const void *val, dmu_tx_t *tx) +{ + int err = fzap_check(zn, integer_size, num_integers); + if (err != 0) + return (err); + + return (fzap_add_cd(zn, integer_size, num_integers, + val, ZAP_NEED_CD, tx)); +} + +int +fzap_update(zap_name_t *zn, + int integer_size, uint64_t num_integers, const void *val, dmu_tx_t *tx) +{ + zap_leaf_t *l; + int err, create; + zap_entry_handle_t zeh; + zap_t *zap = zn->zn_zap; + + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + err = fzap_check(zn, integer_size, num_integers); + if (err != 0) + return (err); + + err = zap_deref_leaf(zap, zn->zn_hash, tx, RW_WRITER, &l); + if (err != 0) + return (err); +retry: + err = zap_leaf_lookup(l, zn, &zeh); + create = (err == ENOENT); + ASSERT(err == 0 || err == ENOENT); + + if (create) { + err = zap_entry_create(l, zn, ZAP_NEED_CD, + integer_size, num_integers, val, &zeh); + if (err == 0) + zap_increment_num_entries(zap, 1, tx); + } else { + err = zap_entry_update(&zeh, integer_size, num_integers, val); + } + + if (err == EAGAIN) { + err = zap_expand_leaf(zn, l, tx, &l); + zap = zn->zn_zap; /* zap_expand_leaf() may change zap */ + if (err == 0) + goto retry; + } + + if (zap != NULL) + zap_put_leaf_maybe_grow_ptrtbl(zn, l, tx); + return (err); +} + +int +fzap_length(zap_name_t *zn, + uint64_t *integer_size, uint64_t *num_integers) +{ + zap_leaf_t *l; + int err; + zap_entry_handle_t zeh; + + err = zap_deref_leaf(zn->zn_zap, zn->zn_hash, NULL, RW_READER, &l); + if (err != 0) + return (err); + err = zap_leaf_lookup(l, zn, &zeh); + if (err != 0) + goto out; + + if (integer_size) + *integer_size = zeh.zeh_integer_size; + if (num_integers) + *num_integers = zeh.zeh_num_integers; +out: + zap_put_leaf(l); + return (err); +} + +int +fzap_remove(zap_name_t *zn, dmu_tx_t *tx) +{ + zap_leaf_t *l; + int err; + zap_entry_handle_t zeh; + + err = zap_deref_leaf(zn->zn_zap, zn->zn_hash, tx, RW_WRITER, &l); + if (err != 0) + return (err); + err = zap_leaf_lookup(l, zn, &zeh); + if (err == 0) { + zap_entry_remove(&zeh); + zap_increment_num_entries(zn->zn_zap, -1, tx); + } + zap_put_leaf(l); + return (err); +} + +void +fzap_prefetch(zap_name_t *zn) +{ + uint64_t idx, blk; + zap_t *zap = zn->zn_zap; + int bs; + + idx = ZAP_HASH_IDX(zn->zn_hash, + zap_f_phys(zap)->zap_ptrtbl.zt_shift); + if (zap_idx_to_blk(zap, idx, &blk) != 0) + return; + bs = FZAP_BLOCK_SHIFT(zap); + dmu_prefetch(zap->zap_objset, zap->zap_object, blk << bs, 1 << bs); +} + +/* + * Helper functions for consumers. + */ + +uint64_t +zap_create_link(objset_t *os, dmu_object_type_t ot, uint64_t parent_obj, + const char *name, dmu_tx_t *tx) +{ + uint64_t new_obj; + + VERIFY((new_obj = zap_create(os, ot, DMU_OT_NONE, 0, tx)) > 0); + VERIFY(zap_add(os, parent_obj, name, sizeof (uint64_t), 1, &new_obj, + tx) == 0); + + return (new_obj); +} + +int +zap_value_search(objset_t *os, uint64_t zapobj, uint64_t value, uint64_t mask, + char *name) +{ + zap_cursor_t zc; + zap_attribute_t *za; + int err; + + if (mask == 0) + mask = -1ULL; + + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + for (zap_cursor_init(&zc, os, zapobj); + (err = zap_cursor_retrieve(&zc, za)) == 0; + zap_cursor_advance(&zc)) { + if ((za->za_first_integer & mask) == (value & mask)) { + (void) strcpy(name, za->za_name); + break; + } + } + zap_cursor_fini(&zc); + kmem_free(za, sizeof (zap_attribute_t)); + return (err); +} + +int +zap_join(objset_t *os, uint64_t fromobj, uint64_t intoobj, dmu_tx_t *tx) +{ + zap_cursor_t zc; + zap_attribute_t za; + int err; + + err = 0; + for (zap_cursor_init(&zc, os, fromobj); + zap_cursor_retrieve(&zc, &za) == 0; + (void) zap_cursor_advance(&zc)) { + if (za.za_integer_length != 8 || za.za_num_integers != 1) { + err = SET_ERROR(EINVAL); + break; + } + err = zap_add(os, intoobj, za.za_name, + 8, 1, &za.za_first_integer, tx); + if (err) + break; + } + zap_cursor_fini(&zc); + return (err); +} + +int +zap_join_key(objset_t *os, uint64_t fromobj, uint64_t intoobj, + uint64_t value, dmu_tx_t *tx) +{ + zap_cursor_t zc; + zap_attribute_t za; + int err; + + err = 0; + for (zap_cursor_init(&zc, os, fromobj); + zap_cursor_retrieve(&zc, &za) == 0; + (void) zap_cursor_advance(&zc)) { + if (za.za_integer_length != 8 || za.za_num_integers != 1) { + err = SET_ERROR(EINVAL); + break; + } + err = zap_add(os, intoobj, za.za_name, + 8, 1, &value, tx); + if (err) + break; + } + zap_cursor_fini(&zc); + return (err); +} + +int +zap_join_increment(objset_t *os, uint64_t fromobj, uint64_t intoobj, + dmu_tx_t *tx) +{ + zap_cursor_t zc; + zap_attribute_t za; + int err; + + err = 0; + for (zap_cursor_init(&zc, os, fromobj); + zap_cursor_retrieve(&zc, &za) == 0; + (void) zap_cursor_advance(&zc)) { + uint64_t delta = 0; + + if (za.za_integer_length != 8 || za.za_num_integers != 1) { + err = SET_ERROR(EINVAL); + break; + } + + err = zap_lookup(os, intoobj, za.za_name, 8, 1, &delta); + if (err != 0 && err != ENOENT) + break; + delta += za.za_first_integer; + err = zap_update(os, intoobj, za.za_name, 8, 1, &delta, tx); + if (err) + break; + } + zap_cursor_fini(&zc); + return (err); +} + +int +zap_add_int(objset_t *os, uint64_t obj, uint64_t value, dmu_tx_t *tx) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)value); + return (zap_add(os, obj, name, 8, 1, &value, tx)); +} + +int +zap_remove_int(objset_t *os, uint64_t obj, uint64_t value, dmu_tx_t *tx) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)value); + return (zap_remove(os, obj, name, tx)); +} + +int +zap_lookup_int(objset_t *os, uint64_t obj, uint64_t value) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)value); + return (zap_lookup(os, obj, name, 8, 1, &value)); +} + +int +zap_add_int_key(objset_t *os, uint64_t obj, + uint64_t key, uint64_t value, dmu_tx_t *tx) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)key); + return (zap_add(os, obj, name, 8, 1, &value, tx)); +} + +int +zap_update_int_key(objset_t *os, uint64_t obj, + uint64_t key, uint64_t value, dmu_tx_t *tx) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)key); + return (zap_update(os, obj, name, 8, 1, &value, tx)); +} + +int +zap_lookup_int_key(objset_t *os, uint64_t obj, uint64_t key, uint64_t *valuep) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)key); + return (zap_lookup(os, obj, name, 8, 1, valuep)); +} + +int +zap_increment(objset_t *os, uint64_t obj, const char *name, int64_t delta, + dmu_tx_t *tx) +{ + uint64_t value = 0; + int err; + + if (delta == 0) + return (0); + + err = zap_lookup(os, obj, name, 8, 1, &value); + if (err != 0 && err != ENOENT) + return (err); + value += delta; + if (value == 0) + err = zap_remove(os, obj, name, tx); + else + err = zap_update(os, obj, name, 8, 1, &value, tx); + return (err); +} + +int +zap_increment_int(objset_t *os, uint64_t obj, uint64_t key, int64_t delta, + dmu_tx_t *tx) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)key); + return (zap_increment(os, obj, name, delta, tx)); +} + +/* + * Routines for iterating over the attributes. + */ + +int +fzap_cursor_retrieve(zap_t *zap, zap_cursor_t *zc, zap_attribute_t *za) +{ + int err = ENOENT; + zap_entry_handle_t zeh; + zap_leaf_t *l; + + /* retrieve the next entry at or after zc_hash/zc_cd */ + /* if no entry, return ENOENT */ + + if (zc->zc_leaf && + (ZAP_HASH_IDX(zc->zc_hash, + zap_leaf_phys(zc->zc_leaf)->l_hdr.lh_prefix_len) != + zap_leaf_phys(zc->zc_leaf)->l_hdr.lh_prefix)) { + rw_enter(&zc->zc_leaf->l_rwlock, RW_READER); + zap_put_leaf(zc->zc_leaf); + zc->zc_leaf = NULL; + } + +again: + if (zc->zc_leaf == NULL) { + err = zap_deref_leaf(zap, zc->zc_hash, NULL, RW_READER, + &zc->zc_leaf); + if (err != 0) + return (err); + } else { + rw_enter(&zc->zc_leaf->l_rwlock, RW_READER); + } + l = zc->zc_leaf; + + err = zap_leaf_lookup_closest(l, zc->zc_hash, zc->zc_cd, &zeh); + + if (err == ENOENT) { + uint64_t nocare = + (1ULL << (64 - zap_leaf_phys(l)->l_hdr.lh_prefix_len)) - 1; + zc->zc_hash = (zc->zc_hash & ~nocare) + nocare + 1; + zc->zc_cd = 0; + if (zap_leaf_phys(l)->l_hdr.lh_prefix_len == 0 || + zc->zc_hash == 0) { + zc->zc_hash = -1ULL; + } else { + zap_put_leaf(zc->zc_leaf); + zc->zc_leaf = NULL; + goto again; + } + } + + if (err == 0) { + zc->zc_hash = zeh.zeh_hash; + zc->zc_cd = zeh.zeh_cd; + za->za_integer_length = zeh.zeh_integer_size; + za->za_num_integers = zeh.zeh_num_integers; + if (zeh.zeh_num_integers == 0) { + za->za_first_integer = 0; + } else { + err = zap_entry_read(&zeh, 8, 1, &za->za_first_integer); + ASSERT(err == 0 || err == EOVERFLOW); + } + err = zap_entry_read_name(zap, &zeh, + sizeof (za->za_name), za->za_name); + ASSERT(err == 0); + + za->za_normalization_conflict = + zap_entry_normalization_conflict(&zeh, + NULL, za->za_name, zap); + } + rw_exit(&zc->zc_leaf->l_rwlock); + return (err); +} + +static void +zap_stats_ptrtbl(zap_t *zap, uint64_t *tbl, int len, zap_stats_t *zs) +{ + int i, err; + uint64_t lastblk = 0; + + /* + * NB: if a leaf has more pointers than an entire ptrtbl block + * can hold, then it'll be accounted for more than once, since + * we won't have lastblk. + */ + for (i = 0; i < len; i++) { + zap_leaf_t *l; + + if (tbl[i] == lastblk) + continue; + lastblk = tbl[i]; + + err = zap_get_leaf_byblk(zap, tbl[i], NULL, RW_READER, &l); + if (err == 0) { + zap_leaf_stats(zap, l, zs); + zap_put_leaf(l); + } + } +} + +void +fzap_get_stats(zap_t *zap, zap_stats_t *zs) +{ + int bs = FZAP_BLOCK_SHIFT(zap); + zs->zs_blocksize = 1ULL << bs; + + /* + * Set zap_phys_t fields + */ + zs->zs_num_leafs = zap_f_phys(zap)->zap_num_leafs; + zs->zs_num_entries = zap_f_phys(zap)->zap_num_entries; + zs->zs_num_blocks = zap_f_phys(zap)->zap_freeblk; + zs->zs_block_type = zap_f_phys(zap)->zap_block_type; + zs->zs_magic = zap_f_phys(zap)->zap_magic; + zs->zs_salt = zap_f_phys(zap)->zap_salt; + + /* + * Set zap_ptrtbl fields + */ + zs->zs_ptrtbl_len = 1ULL << zap_f_phys(zap)->zap_ptrtbl.zt_shift; + zs->zs_ptrtbl_nextblk = zap_f_phys(zap)->zap_ptrtbl.zt_nextblk; + zs->zs_ptrtbl_blks_copied = + zap_f_phys(zap)->zap_ptrtbl.zt_blks_copied; + zs->zs_ptrtbl_zt_blk = zap_f_phys(zap)->zap_ptrtbl.zt_blk; + zs->zs_ptrtbl_zt_numblks = zap_f_phys(zap)->zap_ptrtbl.zt_numblks; + zs->zs_ptrtbl_zt_shift = zap_f_phys(zap)->zap_ptrtbl.zt_shift; + + if (zap_f_phys(zap)->zap_ptrtbl.zt_numblks == 0) { + /* the ptrtbl is entirely in the header block. */ + zap_stats_ptrtbl(zap, &ZAP_EMBEDDED_PTRTBL_ENT(zap, 0), + 1 << ZAP_EMBEDDED_PTRTBL_SHIFT(zap), zs); + } else { + int b; + + dmu_prefetch(zap->zap_objset, zap->zap_object, + zap_f_phys(zap)->zap_ptrtbl.zt_blk << bs, + zap_f_phys(zap)->zap_ptrtbl.zt_numblks << bs); + + for (b = 0; b < zap_f_phys(zap)->zap_ptrtbl.zt_numblks; + b++) { + dmu_buf_t *db; + int err; + + err = dmu_buf_hold(zap->zap_objset, zap->zap_object, + (zap_f_phys(zap)->zap_ptrtbl.zt_blk + b) << bs, + FTAG, &db, DMU_READ_NO_PREFETCH); + if (err == 0) { + zap_stats_ptrtbl(zap, db->db_data, + 1<<(bs-3), zs); + dmu_buf_rele(db, FTAG); + } + } + } +} + +int +fzap_count_write(zap_name_t *zn, int add, uint64_t *towrite, + uint64_t *tooverwrite) +{ + zap_t *zap = zn->zn_zap; + zap_leaf_t *l; + int err; + + /* + * Account for the header block of the fatzap. + */ + if (!add && dmu_buf_freeable(zap->zap_dbuf)) { + *tooverwrite += zap->zap_dbuf->db_size; + } else { + *towrite += zap->zap_dbuf->db_size; + } + + /* + * Account for the pointer table blocks. + * If we are adding we need to account for the following cases : + * - If the pointer table is embedded, this operation could force an + * external pointer table. + * - If this already has an external pointer table this operation + * could extend the table. + */ + if (add) { + if (zap_f_phys(zap)->zap_ptrtbl.zt_blk == 0) + *towrite += zap->zap_dbuf->db_size; + else + *towrite += (zap->zap_dbuf->db_size * 3); + } + + /* + * Now, check if the block containing leaf is freeable + * and account accordingly. + */ + err = zap_deref_leaf(zap, zn->zn_hash, NULL, RW_READER, &l); + if (err != 0) { + return (err); + } + + if (!add && dmu_buf_freeable(l->l_dbuf)) { + *tooverwrite += l->l_dbuf->db_size; + } else { + /* + * If this an add operation, the leaf block could split. + * Hence, we need to account for an additional leaf block. + */ + *towrite += (add ? 2 : 1) * l->l_dbuf->db_size; + } + + zap_put_leaf(l); + return (0); +} diff --git a/zfs/module/zfs/zap_leaf.c b/zfs/module/zfs/zap_leaf.c new file mode 100644 index 000000000000..3abc08cff476 --- /dev/null +++ b/zfs/module/zfs/zap_leaf.c @@ -0,0 +1,887 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + */ + +/* + * The 512-byte leaf is broken into 32 16-byte chunks. + * chunk number n means l_chunk[n], even though the header precedes it. + * the names are stored null-terminated. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static uint16_t *zap_leaf_rehash_entry(zap_leaf_t *l, uint16_t entry); + +#define CHAIN_END 0xffff /* end of the chunk chain */ + +/* half the (current) minimum block size */ +#define MAX_ARRAY_BYTES (8<<10) + +#define LEAF_HASH(l, h) \ + ((ZAP_LEAF_HASH_NUMENTRIES(l)-1) & \ + ((h) >> \ + (64 - ZAP_LEAF_HASH_SHIFT(l) - zap_leaf_phys(l)->l_hdr.lh_prefix_len))) + +#define LEAF_HASH_ENTPTR(l, h) (&zap_leaf_phys(l)->l_hash[LEAF_HASH(l, h)]) + +extern inline zap_leaf_phys_t *zap_leaf_phys(zap_leaf_t *l); + +static void +zap_memset(void *a, int c, size_t n) +{ + char *cp = a; + char *cpend = cp + n; + + while (cp < cpend) + *cp++ = c; +} + +static void +stv(int len, void *addr, uint64_t value) +{ + switch (len) { + case 1: + *(uint8_t *)addr = value; + return; + case 2: + *(uint16_t *)addr = value; + return; + case 4: + *(uint32_t *)addr = value; + return; + case 8: + *(uint64_t *)addr = value; + return; + default: + cmn_err(CE_PANIC, "bad int len %d", len); + } +} + +static uint64_t +ldv(int len, const void *addr) +{ + switch (len) { + case 1: + return (*(uint8_t *)addr); + case 2: + return (*(uint16_t *)addr); + case 4: + return (*(uint32_t *)addr); + case 8: + return (*(uint64_t *)addr); + default: + cmn_err(CE_PANIC, "bad int len %d", len); + } + return (0xFEEDFACEDEADBEEFULL); +} + +void +zap_leaf_byteswap(zap_leaf_phys_t *buf, int size) +{ + int i; + zap_leaf_t l; + dmu_buf_t l_dbuf; + + l_dbuf.db_data = buf; + l.l_bs = highbit64(size) - 1; + l.l_dbuf = &l_dbuf; + + buf->l_hdr.lh_block_type = BSWAP_64(buf->l_hdr.lh_block_type); + buf->l_hdr.lh_prefix = BSWAP_64(buf->l_hdr.lh_prefix); + buf->l_hdr.lh_magic = BSWAP_32(buf->l_hdr.lh_magic); + buf->l_hdr.lh_nfree = BSWAP_16(buf->l_hdr.lh_nfree); + buf->l_hdr.lh_nentries = BSWAP_16(buf->l_hdr.lh_nentries); + buf->l_hdr.lh_prefix_len = BSWAP_16(buf->l_hdr.lh_prefix_len); + buf->l_hdr.lh_freelist = BSWAP_16(buf->l_hdr.lh_freelist); + + for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) + buf->l_hash[i] = BSWAP_16(buf->l_hash[i]); + + for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { + zap_leaf_chunk_t *lc = &ZAP_LEAF_CHUNK(&l, i); + struct zap_leaf_entry *le; + + switch (lc->l_free.lf_type) { + case ZAP_CHUNK_ENTRY: + le = &lc->l_entry; + + le->le_type = BSWAP_8(le->le_type); + le->le_value_intlen = BSWAP_8(le->le_value_intlen); + le->le_next = BSWAP_16(le->le_next); + le->le_name_chunk = BSWAP_16(le->le_name_chunk); + le->le_name_numints = BSWAP_16(le->le_name_numints); + le->le_value_chunk = BSWAP_16(le->le_value_chunk); + le->le_value_numints = BSWAP_16(le->le_value_numints); + le->le_cd = BSWAP_32(le->le_cd); + le->le_hash = BSWAP_64(le->le_hash); + break; + case ZAP_CHUNK_FREE: + lc->l_free.lf_type = BSWAP_8(lc->l_free.lf_type); + lc->l_free.lf_next = BSWAP_16(lc->l_free.lf_next); + break; + case ZAP_CHUNK_ARRAY: + lc->l_array.la_type = BSWAP_8(lc->l_array.la_type); + lc->l_array.la_next = BSWAP_16(lc->l_array.la_next); + /* la_array doesn't need swapping */ + break; + default: + cmn_err(CE_PANIC, "bad leaf type %d", + lc->l_free.lf_type); + } + } +} + +void +zap_leaf_init(zap_leaf_t *l, boolean_t sort) +{ + int i; + + l->l_bs = highbit64(l->l_dbuf->db_size) - 1; + zap_memset(&zap_leaf_phys(l)->l_hdr, 0, + sizeof (struct zap_leaf_header)); + zap_memset(zap_leaf_phys(l)->l_hash, CHAIN_END, + 2*ZAP_LEAF_HASH_NUMENTRIES(l)); + for (i = 0; i < ZAP_LEAF_NUMCHUNKS(l); i++) { + ZAP_LEAF_CHUNK(l, i).l_free.lf_type = ZAP_CHUNK_FREE; + ZAP_LEAF_CHUNK(l, i).l_free.lf_next = i+1; + } + ZAP_LEAF_CHUNK(l, ZAP_LEAF_NUMCHUNKS(l)-1).l_free.lf_next = CHAIN_END; + zap_leaf_phys(l)->l_hdr.lh_block_type = ZBT_LEAF; + zap_leaf_phys(l)->l_hdr.lh_magic = ZAP_LEAF_MAGIC; + zap_leaf_phys(l)->l_hdr.lh_nfree = ZAP_LEAF_NUMCHUNKS(l); + if (sort) + zap_leaf_phys(l)->l_hdr.lh_flags |= ZLF_ENTRIES_CDSORTED; +} + +/* + * Routines which manipulate leaf chunks (l_chunk[]). + */ + +static uint16_t +zap_leaf_chunk_alloc(zap_leaf_t *l) +{ + int chunk; + + ASSERT(zap_leaf_phys(l)->l_hdr.lh_nfree > 0); + + chunk = zap_leaf_phys(l)->l_hdr.lh_freelist; + ASSERT3U(chunk, <, ZAP_LEAF_NUMCHUNKS(l)); + ASSERT3U(ZAP_LEAF_CHUNK(l, chunk).l_free.lf_type, ==, ZAP_CHUNK_FREE); + + zap_leaf_phys(l)->l_hdr.lh_freelist = + ZAP_LEAF_CHUNK(l, chunk).l_free.lf_next; + + zap_leaf_phys(l)->l_hdr.lh_nfree--; + + return (chunk); +} + +static void +zap_leaf_chunk_free(zap_leaf_t *l, uint16_t chunk) +{ + struct zap_leaf_free *zlf = &ZAP_LEAF_CHUNK(l, chunk).l_free; + ASSERT3U(zap_leaf_phys(l)->l_hdr.lh_nfree, <, ZAP_LEAF_NUMCHUNKS(l)); + ASSERT3U(chunk, <, ZAP_LEAF_NUMCHUNKS(l)); + ASSERT(zlf->lf_type != ZAP_CHUNK_FREE); + + zlf->lf_type = ZAP_CHUNK_FREE; + zlf->lf_next = zap_leaf_phys(l)->l_hdr.lh_freelist; + bzero(zlf->lf_pad, sizeof (zlf->lf_pad)); /* help it to compress */ + zap_leaf_phys(l)->l_hdr.lh_freelist = chunk; + + zap_leaf_phys(l)->l_hdr.lh_nfree++; +} + +/* + * Routines which manipulate leaf arrays (zap_leaf_array type chunks). + */ + +static uint16_t +zap_leaf_array_create(zap_leaf_t *l, const char *buf, + int integer_size, int num_integers) +{ + uint16_t chunk_head; + uint16_t *chunkp = &chunk_head; + int byten = 0; + uint64_t value = 0; + int shift = (integer_size-1)*8; + int len = num_integers; + + ASSERT3U(num_integers * integer_size, <, MAX_ARRAY_BYTES); + + while (len > 0) { + uint16_t chunk = zap_leaf_chunk_alloc(l); + struct zap_leaf_array *la = &ZAP_LEAF_CHUNK(l, chunk).l_array; + int i; + + la->la_type = ZAP_CHUNK_ARRAY; + for (i = 0; i < ZAP_LEAF_ARRAY_BYTES; i++) { + if (byten == 0) + value = ldv(integer_size, buf); + la->la_array[i] = value >> shift; + value <<= 8; + if (++byten == integer_size) { + byten = 0; + buf += integer_size; + if (--len == 0) + break; + } + } + + *chunkp = chunk; + chunkp = &la->la_next; + } + *chunkp = CHAIN_END; + + return (chunk_head); +} + +static void +zap_leaf_array_free(zap_leaf_t *l, uint16_t *chunkp) +{ + uint16_t chunk = *chunkp; + + *chunkp = CHAIN_END; + + while (chunk != CHAIN_END) { + int nextchunk = ZAP_LEAF_CHUNK(l, chunk).l_array.la_next; + ASSERT3U(ZAP_LEAF_CHUNK(l, chunk).l_array.la_type, ==, + ZAP_CHUNK_ARRAY); + zap_leaf_chunk_free(l, chunk); + chunk = nextchunk; + } +} + +/* array_len and buf_len are in integers, not bytes */ +static void +zap_leaf_array_read(zap_leaf_t *l, uint16_t chunk, + int array_int_len, int array_len, int buf_int_len, uint64_t buf_len, + void *buf) +{ + int len = MIN(array_len, buf_len); + int byten = 0; + uint64_t value = 0; + char *p = buf; + + ASSERT3U(array_int_len, <=, buf_int_len); + + /* Fast path for one 8-byte integer */ + if (array_int_len == 8 && buf_int_len == 8 && len == 1) { + struct zap_leaf_array *la = &ZAP_LEAF_CHUNK(l, chunk).l_array; + uint8_t *ip = la->la_array; + uint64_t *buf64 = buf; + + *buf64 = (uint64_t)ip[0] << 56 | (uint64_t)ip[1] << 48 | + (uint64_t)ip[2] << 40 | (uint64_t)ip[3] << 32 | + (uint64_t)ip[4] << 24 | (uint64_t)ip[5] << 16 | + (uint64_t)ip[6] << 8 | (uint64_t)ip[7]; + return; + } + + /* Fast path for an array of 1-byte integers (eg. the entry name) */ + if (array_int_len == 1 && buf_int_len == 1 && + buf_len > array_len + ZAP_LEAF_ARRAY_BYTES) { + while (chunk != CHAIN_END) { + struct zap_leaf_array *la = + &ZAP_LEAF_CHUNK(l, chunk).l_array; + bcopy(la->la_array, p, ZAP_LEAF_ARRAY_BYTES); + p += ZAP_LEAF_ARRAY_BYTES; + chunk = la->la_next; + } + return; + } + + while (len > 0) { + struct zap_leaf_array *la = &ZAP_LEAF_CHUNK(l, chunk).l_array; + int i; + + ASSERT3U(chunk, <, ZAP_LEAF_NUMCHUNKS(l)); + for (i = 0; i < ZAP_LEAF_ARRAY_BYTES && len > 0; i++) { + value = (value << 8) | la->la_array[i]; + byten++; + if (byten == array_int_len) { + stv(buf_int_len, p, value); + byten = 0; + len--; + if (len == 0) + return; + p += buf_int_len; + } + } + chunk = la->la_next; + } +} + +static boolean_t +zap_leaf_array_match(zap_leaf_t *l, zap_name_t *zn, + int chunk, int array_numints) +{ + int bseen = 0; + + if (zap_getflags(zn->zn_zap) & ZAP_FLAG_UINT64_KEY) { + uint64_t *thiskey; + boolean_t match; + + ASSERT(zn->zn_key_intlen == sizeof (*thiskey)); + thiskey = kmem_alloc(array_numints * sizeof (*thiskey), + KM_SLEEP); + + zap_leaf_array_read(l, chunk, sizeof (*thiskey), array_numints, + sizeof (*thiskey), array_numints, thiskey); + match = bcmp(thiskey, zn->zn_key_orig, + array_numints * sizeof (*thiskey)) == 0; + kmem_free(thiskey, array_numints * sizeof (*thiskey)); + return (match); + } + + ASSERT(zn->zn_key_intlen == 1); + if (zn->zn_matchtype == MT_FIRST) { + char *thisname = kmem_alloc(array_numints, KM_SLEEP); + boolean_t match; + + zap_leaf_array_read(l, chunk, sizeof (char), array_numints, + sizeof (char), array_numints, thisname); + match = zap_match(zn, thisname); + kmem_free(thisname, array_numints); + return (match); + } + + /* + * Fast path for exact matching. + * First check that the lengths match, so that we don't read + * past the end of the zn_key_orig array. + */ + if (array_numints != zn->zn_key_orig_numints) + return (B_FALSE); + while (bseen < array_numints) { + struct zap_leaf_array *la = &ZAP_LEAF_CHUNK(l, chunk).l_array; + int toread = MIN(array_numints - bseen, ZAP_LEAF_ARRAY_BYTES); + ASSERT3U(chunk, <, ZAP_LEAF_NUMCHUNKS(l)); + if (bcmp(la->la_array, (char *)zn->zn_key_orig + bseen, toread)) + break; + chunk = la->la_next; + bseen += toread; + } + return (bseen == array_numints); +} + +/* + * Routines which manipulate leaf entries. + */ + +int +zap_leaf_lookup(zap_leaf_t *l, zap_name_t *zn, zap_entry_handle_t *zeh) +{ + uint16_t *chunkp; + struct zap_leaf_entry *le; + + ASSERT3U(zap_leaf_phys(l)->l_hdr.lh_magic, ==, ZAP_LEAF_MAGIC); + +again: + for (chunkp = LEAF_HASH_ENTPTR(l, zn->zn_hash); + *chunkp != CHAIN_END; chunkp = &le->le_next) { + uint16_t chunk = *chunkp; + le = ZAP_LEAF_ENTRY(l, chunk); + + ASSERT3U(chunk, <, ZAP_LEAF_NUMCHUNKS(l)); + ASSERT3U(le->le_type, ==, ZAP_CHUNK_ENTRY); + + if (le->le_hash != zn->zn_hash) + continue; + + /* + * NB: the entry chain is always sorted by cd on + * normalized zap objects, so this will find the + * lowest-cd match for MT_FIRST. + */ + ASSERT(zn->zn_matchtype == MT_EXACT || + (zap_leaf_phys(l)->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED)); + if (zap_leaf_array_match(l, zn, le->le_name_chunk, + le->le_name_numints)) { + zeh->zeh_num_integers = le->le_value_numints; + zeh->zeh_integer_size = le->le_value_intlen; + zeh->zeh_cd = le->le_cd; + zeh->zeh_hash = le->le_hash; + zeh->zeh_chunkp = chunkp; + zeh->zeh_leaf = l; + return (0); + } + } + + /* + * NB: we could of course do this in one pass, but that would be + * a pain. We'll see if MT_BEST is even used much. + */ + if (zn->zn_matchtype == MT_BEST) { + zn->zn_matchtype = MT_FIRST; + goto again; + } + + return (SET_ERROR(ENOENT)); +} + +/* Return (h1,cd1 >= h2,cd2) */ +#define HCD_GTEQ(h1, cd1, h2, cd2) \ + ((h1 > h2) ? TRUE : ((h1 == h2 && cd1 >= cd2) ? TRUE : FALSE)) + +int +zap_leaf_lookup_closest(zap_leaf_t *l, + uint64_t h, uint32_t cd, zap_entry_handle_t *zeh) +{ + uint16_t chunk; + uint64_t besth = -1ULL; + uint32_t bestcd = -1U; + uint16_t bestlh = ZAP_LEAF_HASH_NUMENTRIES(l)-1; + uint16_t lh; + struct zap_leaf_entry *le; + + ASSERT3U(zap_leaf_phys(l)->l_hdr.lh_magic, ==, ZAP_LEAF_MAGIC); + + for (lh = LEAF_HASH(l, h); lh <= bestlh; lh++) { + for (chunk = zap_leaf_phys(l)->l_hash[lh]; + chunk != CHAIN_END; chunk = le->le_next) { + le = ZAP_LEAF_ENTRY(l, chunk); + + ASSERT3U(chunk, <, ZAP_LEAF_NUMCHUNKS(l)); + ASSERT3U(le->le_type, ==, ZAP_CHUNK_ENTRY); + + if (HCD_GTEQ(le->le_hash, le->le_cd, h, cd) && + HCD_GTEQ(besth, bestcd, le->le_hash, le->le_cd)) { + ASSERT3U(bestlh, >=, lh); + bestlh = lh; + besth = le->le_hash; + bestcd = le->le_cd; + + zeh->zeh_num_integers = le->le_value_numints; + zeh->zeh_integer_size = le->le_value_intlen; + zeh->zeh_cd = le->le_cd; + zeh->zeh_hash = le->le_hash; + zeh->zeh_fakechunk = chunk; + zeh->zeh_chunkp = &zeh->zeh_fakechunk; + zeh->zeh_leaf = l; + } + } + } + + return (bestcd == -1U ? ENOENT : 0); +} + +int +zap_entry_read(const zap_entry_handle_t *zeh, + uint8_t integer_size, uint64_t num_integers, void *buf) +{ + struct zap_leaf_entry *le = + ZAP_LEAF_ENTRY(zeh->zeh_leaf, *zeh->zeh_chunkp); + ASSERT3U(le->le_type, ==, ZAP_CHUNK_ENTRY); + + if (le->le_value_intlen > integer_size) + return (SET_ERROR(EINVAL)); + + zap_leaf_array_read(zeh->zeh_leaf, le->le_value_chunk, + le->le_value_intlen, le->le_value_numints, + integer_size, num_integers, buf); + + if (zeh->zeh_num_integers > num_integers) + return (SET_ERROR(EOVERFLOW)); + return (0); + +} + +int +zap_entry_read_name(zap_t *zap, const zap_entry_handle_t *zeh, uint16_t buflen, + char *buf) +{ + struct zap_leaf_entry *le = + ZAP_LEAF_ENTRY(zeh->zeh_leaf, *zeh->zeh_chunkp); + ASSERT3U(le->le_type, ==, ZAP_CHUNK_ENTRY); + + if (zap_getflags(zap) & ZAP_FLAG_UINT64_KEY) { + zap_leaf_array_read(zeh->zeh_leaf, le->le_name_chunk, 8, + le->le_name_numints, 8, buflen / 8, buf); + } else { + zap_leaf_array_read(zeh->zeh_leaf, le->le_name_chunk, 1, + le->le_name_numints, 1, buflen, buf); + } + if (le->le_name_numints > buflen) + return (SET_ERROR(EOVERFLOW)); + return (0); +} + +int +zap_entry_update(zap_entry_handle_t *zeh, + uint8_t integer_size, uint64_t num_integers, const void *buf) +{ + int delta_chunks; + zap_leaf_t *l = zeh->zeh_leaf; + struct zap_leaf_entry *le = ZAP_LEAF_ENTRY(l, *zeh->zeh_chunkp); + + delta_chunks = ZAP_LEAF_ARRAY_NCHUNKS(num_integers * integer_size) - + ZAP_LEAF_ARRAY_NCHUNKS(le->le_value_numints * le->le_value_intlen); + + if ((int)zap_leaf_phys(l)->l_hdr.lh_nfree < delta_chunks) + return (SET_ERROR(EAGAIN)); + + zap_leaf_array_free(l, &le->le_value_chunk); + le->le_value_chunk = + zap_leaf_array_create(l, buf, integer_size, num_integers); + le->le_value_numints = num_integers; + le->le_value_intlen = integer_size; + return (0); +} + +void +zap_entry_remove(zap_entry_handle_t *zeh) +{ + uint16_t entry_chunk; + struct zap_leaf_entry *le; + zap_leaf_t *l = zeh->zeh_leaf; + + ASSERT3P(zeh->zeh_chunkp, !=, &zeh->zeh_fakechunk); + + entry_chunk = *zeh->zeh_chunkp; + le = ZAP_LEAF_ENTRY(l, entry_chunk); + ASSERT3U(le->le_type, ==, ZAP_CHUNK_ENTRY); + + zap_leaf_array_free(l, &le->le_name_chunk); + zap_leaf_array_free(l, &le->le_value_chunk); + + *zeh->zeh_chunkp = le->le_next; + zap_leaf_chunk_free(l, entry_chunk); + + zap_leaf_phys(l)->l_hdr.lh_nentries--; +} + +int +zap_entry_create(zap_leaf_t *l, zap_name_t *zn, uint32_t cd, + uint8_t integer_size, uint64_t num_integers, const void *buf, + zap_entry_handle_t *zeh) +{ + uint16_t chunk; + uint16_t *chunkp; + struct zap_leaf_entry *le; + uint64_t valuelen; + int numchunks; + uint64_t h = zn->zn_hash; + + valuelen = integer_size * num_integers; + + numchunks = 1 + ZAP_LEAF_ARRAY_NCHUNKS(zn->zn_key_orig_numints * + zn->zn_key_intlen) + ZAP_LEAF_ARRAY_NCHUNKS(valuelen); + if (numchunks > ZAP_LEAF_NUMCHUNKS(l)) + return (E2BIG); + + if (cd == ZAP_NEED_CD) { + /* find the lowest unused cd */ + if (zap_leaf_phys(l)->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED) { + cd = 0; + + for (chunk = *LEAF_HASH_ENTPTR(l, h); + chunk != CHAIN_END; chunk = le->le_next) { + le = ZAP_LEAF_ENTRY(l, chunk); + if (le->le_cd > cd) + break; + if (le->le_hash == h) { + ASSERT3U(cd, ==, le->le_cd); + cd++; + } + } + } else { + /* old unsorted format; do it the O(n^2) way */ + for (cd = 0; ; cd++) { + for (chunk = *LEAF_HASH_ENTPTR(l, h); + chunk != CHAIN_END; chunk = le->le_next) { + le = ZAP_LEAF_ENTRY(l, chunk); + if (le->le_hash == h && + le->le_cd == cd) { + break; + } + } + /* If this cd is not in use, we are good. */ + if (chunk == CHAIN_END) + break; + } + } + /* + * We would run out of space in a block before we could + * store enough entries to run out of CD values. + */ + ASSERT3U(cd, <, zap_maxcd(zn->zn_zap)); + } + + if (zap_leaf_phys(l)->l_hdr.lh_nfree < numchunks) + return (SET_ERROR(EAGAIN)); + + /* make the entry */ + chunk = zap_leaf_chunk_alloc(l); + le = ZAP_LEAF_ENTRY(l, chunk); + le->le_type = ZAP_CHUNK_ENTRY; + le->le_name_chunk = zap_leaf_array_create(l, zn->zn_key_orig, + zn->zn_key_intlen, zn->zn_key_orig_numints); + le->le_name_numints = zn->zn_key_orig_numints; + le->le_value_chunk = + zap_leaf_array_create(l, buf, integer_size, num_integers); + le->le_value_numints = num_integers; + le->le_value_intlen = integer_size; + le->le_hash = h; + le->le_cd = cd; + + /* link it into the hash chain */ + /* XXX if we did the search above, we could just use that */ + chunkp = zap_leaf_rehash_entry(l, chunk); + + zap_leaf_phys(l)->l_hdr.lh_nentries++; + + zeh->zeh_leaf = l; + zeh->zeh_num_integers = num_integers; + zeh->zeh_integer_size = le->le_value_intlen; + zeh->zeh_cd = le->le_cd; + zeh->zeh_hash = le->le_hash; + zeh->zeh_chunkp = chunkp; + + return (0); +} + +/* + * Determine if there is another entry with the same normalized form. + * For performance purposes, either zn or name must be provided (the + * other can be NULL). Note, there usually won't be any hash + * conflicts, in which case we don't need the concatenated/normalized + * form of the name. But all callers have one of these on hand anyway, + * so might as well take advantage. A cleaner but slower interface + * would accept neither argument, and compute the normalized name as + * needed (using zap_name_alloc(zap_entry_read_name(zeh))). + */ +boolean_t +zap_entry_normalization_conflict(zap_entry_handle_t *zeh, zap_name_t *zn, + const char *name, zap_t *zap) +{ + uint64_t chunk; + struct zap_leaf_entry *le; + boolean_t allocdzn = B_FALSE; + + if (zap->zap_normflags == 0) + return (B_FALSE); + + for (chunk = *LEAF_HASH_ENTPTR(zeh->zeh_leaf, zeh->zeh_hash); + chunk != CHAIN_END; chunk = le->le_next) { + le = ZAP_LEAF_ENTRY(zeh->zeh_leaf, chunk); + if (le->le_hash != zeh->zeh_hash) + continue; + if (le->le_cd == zeh->zeh_cd) + continue; + + if (zn == NULL) { + zn = zap_name_alloc(zap, name, MT_FIRST); + allocdzn = B_TRUE; + } + if (zap_leaf_array_match(zeh->zeh_leaf, zn, + le->le_name_chunk, le->le_name_numints)) { + if (allocdzn) + zap_name_free(zn); + return (B_TRUE); + } + } + if (allocdzn) + zap_name_free(zn); + return (B_FALSE); +} + +/* + * Routines for transferring entries between leafs. + */ + +static uint16_t * +zap_leaf_rehash_entry(zap_leaf_t *l, uint16_t entry) +{ + struct zap_leaf_entry *le = ZAP_LEAF_ENTRY(l, entry); + struct zap_leaf_entry *le2; + uint16_t *chunkp; + + /* + * keep the entry chain sorted by cd + * NB: this will not cause problems for unsorted leafs, though + * it is unnecessary there. + */ + for (chunkp = LEAF_HASH_ENTPTR(l, le->le_hash); + *chunkp != CHAIN_END; chunkp = &le2->le_next) { + le2 = ZAP_LEAF_ENTRY(l, *chunkp); + if (le2->le_cd > le->le_cd) + break; + } + + le->le_next = *chunkp; + *chunkp = entry; + return (chunkp); +} + +static uint16_t +zap_leaf_transfer_array(zap_leaf_t *l, uint16_t chunk, zap_leaf_t *nl) +{ + uint16_t new_chunk; + uint16_t *nchunkp = &new_chunk; + + while (chunk != CHAIN_END) { + uint16_t nchunk = zap_leaf_chunk_alloc(nl); + struct zap_leaf_array *nla = + &ZAP_LEAF_CHUNK(nl, nchunk).l_array; + struct zap_leaf_array *la = + &ZAP_LEAF_CHUNK(l, chunk).l_array; + int nextchunk = la->la_next; + + ASSERT3U(chunk, <, ZAP_LEAF_NUMCHUNKS(l)); + ASSERT3U(nchunk, <, ZAP_LEAF_NUMCHUNKS(l)); + + *nla = *la; /* structure assignment */ + + zap_leaf_chunk_free(l, chunk); + chunk = nextchunk; + *nchunkp = nchunk; + nchunkp = &nla->la_next; + } + *nchunkp = CHAIN_END; + return (new_chunk); +} + +static void +zap_leaf_transfer_entry(zap_leaf_t *l, int entry, zap_leaf_t *nl) +{ + struct zap_leaf_entry *le, *nle; + uint16_t chunk; + + le = ZAP_LEAF_ENTRY(l, entry); + ASSERT3U(le->le_type, ==, ZAP_CHUNK_ENTRY); + + chunk = zap_leaf_chunk_alloc(nl); + nle = ZAP_LEAF_ENTRY(nl, chunk); + *nle = *le; /* structure assignment */ + + (void) zap_leaf_rehash_entry(nl, chunk); + + nle->le_name_chunk = zap_leaf_transfer_array(l, le->le_name_chunk, nl); + nle->le_value_chunk = + zap_leaf_transfer_array(l, le->le_value_chunk, nl); + + zap_leaf_chunk_free(l, entry); + + zap_leaf_phys(l)->l_hdr.lh_nentries--; + zap_leaf_phys(nl)->l_hdr.lh_nentries++; +} + +/* + * Transfer the entries whose hash prefix ends in 1 to the new leaf. + */ +void +zap_leaf_split(zap_leaf_t *l, zap_leaf_t *nl, boolean_t sort) +{ + int i; + int bit = 64 - 1 - zap_leaf_phys(l)->l_hdr.lh_prefix_len; + + /* set new prefix and prefix_len */ + zap_leaf_phys(l)->l_hdr.lh_prefix <<= 1; + zap_leaf_phys(l)->l_hdr.lh_prefix_len++; + zap_leaf_phys(nl)->l_hdr.lh_prefix = + zap_leaf_phys(l)->l_hdr.lh_prefix | 1; + zap_leaf_phys(nl)->l_hdr.lh_prefix_len = + zap_leaf_phys(l)->l_hdr.lh_prefix_len; + + /* break existing hash chains */ + zap_memset(zap_leaf_phys(l)->l_hash, CHAIN_END, + 2*ZAP_LEAF_HASH_NUMENTRIES(l)); + + if (sort) + zap_leaf_phys(l)->l_hdr.lh_flags |= ZLF_ENTRIES_CDSORTED; + + /* + * Transfer entries whose hash bit 'bit' is set to nl; rehash + * the remaining entries + * + * NB: We could find entries via the hashtable instead. That + * would be O(hashents+numents) rather than O(numblks+numents), + * but this accesses memory more sequentially, and when we're + * called, the block is usually pretty full. + */ + for (i = 0; i < ZAP_LEAF_NUMCHUNKS(l); i++) { + struct zap_leaf_entry *le = ZAP_LEAF_ENTRY(l, i); + if (le->le_type != ZAP_CHUNK_ENTRY) + continue; + + if (le->le_hash & (1ULL << bit)) + zap_leaf_transfer_entry(l, i, nl); + else + (void) zap_leaf_rehash_entry(l, i); + } +} + +void +zap_leaf_stats(zap_t *zap, zap_leaf_t *l, zap_stats_t *zs) +{ + int i, n; + + n = zap_f_phys(zap)->zap_ptrtbl.zt_shift - + zap_leaf_phys(l)->l_hdr.lh_prefix_len; + n = MIN(n, ZAP_HISTOGRAM_SIZE-1); + zs->zs_leafs_with_2n_pointers[n]++; + + + n = zap_leaf_phys(l)->l_hdr.lh_nentries/5; + n = MIN(n, ZAP_HISTOGRAM_SIZE-1); + zs->zs_blocks_with_n5_entries[n]++; + + n = ((1<l_hdr.lh_nfree * (ZAP_LEAF_ARRAY_BYTES+1))*10 / + (1<zs_blocks_n_tenths_full[n]++; + + for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(l); i++) { + int nentries = 0; + int chunk = zap_leaf_phys(l)->l_hash[i]; + + while (chunk != CHAIN_END) { + struct zap_leaf_entry *le = + ZAP_LEAF_ENTRY(l, chunk); + + n = 1 + ZAP_LEAF_ARRAY_NCHUNKS(le->le_name_numints) + + ZAP_LEAF_ARRAY_NCHUNKS(le->le_value_numints * + le->le_value_intlen); + n = MIN(n, ZAP_HISTOGRAM_SIZE-1); + zs->zs_entries_using_n_chunks[n]++; + + chunk = le->le_next; + nentries++; + } + + n = nentries; + n = MIN(n, ZAP_HISTOGRAM_SIZE-1); + zs->zs_buckets_with_n_entries[n]++; + } +} diff --git a/zfs/module/zfs/zap_micro.c b/zfs/module/zfs/zap_micro.c new file mode 100644 index 000000000000..85b465b05284 --- /dev/null +++ b/zfs/module/zfs/zap_micro.c @@ -0,0 +1,1482 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef _KERNEL +#include +#endif + +extern inline mzap_phys_t *zap_m_phys(zap_t *zap); + +static int mzap_upgrade(zap_t **zapp, dmu_tx_t *tx, zap_flags_t flags); + +uint64_t +zap_getflags(zap_t *zap) +{ + if (zap->zap_ismicro) + return (0); + return (zap_f_phys(zap)->zap_flags); +} + +int +zap_hashbits(zap_t *zap) +{ + if (zap_getflags(zap) & ZAP_FLAG_HASH64) + return (48); + else + return (28); +} + +uint32_t +zap_maxcd(zap_t *zap) +{ + if (zap_getflags(zap) & ZAP_FLAG_HASH64) + return ((1<<16)-1); + else + return (-1U); +} + +static uint64_t +zap_hash(zap_name_t *zn) +{ + zap_t *zap = zn->zn_zap; + uint64_t h = 0; + + if (zap_getflags(zap) & ZAP_FLAG_PRE_HASHED_KEY) { + ASSERT(zap_getflags(zap) & ZAP_FLAG_UINT64_KEY); + h = *(uint64_t *)zn->zn_key_orig; + } else { + h = zap->zap_salt; + ASSERT(h != 0); + ASSERT(zfs_crc64_table[128] == ZFS_CRC64_POLY); + + if (zap_getflags(zap) & ZAP_FLAG_UINT64_KEY) { + int i; + const uint64_t *wp = zn->zn_key_norm; + + ASSERT(zn->zn_key_intlen == 8); + for (i = 0; i < zn->zn_key_norm_numints; wp++, i++) { + int j; + uint64_t word = *wp; + + for (j = 0; j < zn->zn_key_intlen; j++) { + h = (h >> 8) ^ + zfs_crc64_table[(h ^ word) & 0xFF]; + word >>= NBBY; + } + } + } else { + int i, len; + const uint8_t *cp = zn->zn_key_norm; + + /* + * We previously stored the terminating null on + * disk, but didn't hash it, so we need to + * continue to not hash it. (The + * zn_key_*_numints includes the terminating + * null for non-binary keys.) + */ + len = zn->zn_key_norm_numints - 1; + + ASSERT(zn->zn_key_intlen == 1); + for (i = 0; i < len; cp++, i++) { + h = (h >> 8) ^ + zfs_crc64_table[(h ^ *cp) & 0xFF]; + } + } + } + /* + * Don't use all 64 bits, since we need some in the cookie for + * the collision differentiator. We MUST use the high bits, + * since those are the ones that we first pay attention to when + * chosing the bucket. + */ + h &= ~((1ULL << (64 - zap_hashbits(zap))) - 1); + + return (h); +} + +static int +zap_normalize(zap_t *zap, const char *name, char *namenorm) +{ + size_t inlen, outlen; + int err; + + ASSERT(!(zap_getflags(zap) & ZAP_FLAG_UINT64_KEY)); + + inlen = strlen(name) + 1; + outlen = ZAP_MAXNAMELEN; + + err = 0; + (void) u8_textprep_str((char *)name, &inlen, namenorm, &outlen, + zap->zap_normflags | U8_TEXTPREP_IGNORE_NULL | + U8_TEXTPREP_IGNORE_INVALID, U8_UNICODE_LATEST, &err); + + return (err); +} + +boolean_t +zap_match(zap_name_t *zn, const char *matchname) +{ + ASSERT(!(zap_getflags(zn->zn_zap) & ZAP_FLAG_UINT64_KEY)); + + if (zn->zn_matchtype == MT_FIRST) { + char norm[ZAP_MAXNAMELEN]; + + if (zap_normalize(zn->zn_zap, matchname, norm) != 0) + return (B_FALSE); + + return (strcmp(zn->zn_key_norm, norm) == 0); + } else { + /* MT_BEST or MT_EXACT */ + return (strcmp(zn->zn_key_orig, matchname) == 0); + } +} + +void +zap_name_free(zap_name_t *zn) +{ + kmem_free(zn, sizeof (zap_name_t)); +} + +zap_name_t * +zap_name_alloc(zap_t *zap, const char *key, matchtype_t mt) +{ + zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_SLEEP); + + zn->zn_zap = zap; + zn->zn_key_intlen = sizeof (*key); + zn->zn_key_orig = key; + zn->zn_key_orig_numints = strlen(zn->zn_key_orig) + 1; + zn->zn_matchtype = mt; + if (zap->zap_normflags) { + if (zap_normalize(zap, key, zn->zn_normbuf) != 0) { + zap_name_free(zn); + return (NULL); + } + zn->zn_key_norm = zn->zn_normbuf; + zn->zn_key_norm_numints = strlen(zn->zn_key_norm) + 1; + } else { + if (mt != MT_EXACT) { + zap_name_free(zn); + return (NULL); + } + zn->zn_key_norm = zn->zn_key_orig; + zn->zn_key_norm_numints = zn->zn_key_orig_numints; + } + + zn->zn_hash = zap_hash(zn); + return (zn); +} + +zap_name_t * +zap_name_alloc_uint64(zap_t *zap, const uint64_t *key, int numints) +{ + zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_SLEEP); + + ASSERT(zap->zap_normflags == 0); + zn->zn_zap = zap; + zn->zn_key_intlen = sizeof (*key); + zn->zn_key_orig = zn->zn_key_norm = key; + zn->zn_key_orig_numints = zn->zn_key_norm_numints = numints; + zn->zn_matchtype = MT_EXACT; + + zn->zn_hash = zap_hash(zn); + return (zn); +} + +static void +mzap_byteswap(mzap_phys_t *buf, size_t size) +{ + int i, max; + buf->mz_block_type = BSWAP_64(buf->mz_block_type); + buf->mz_salt = BSWAP_64(buf->mz_salt); + buf->mz_normflags = BSWAP_64(buf->mz_normflags); + max = (size / MZAP_ENT_LEN) - 1; + for (i = 0; i < max; i++) { + buf->mz_chunk[i].mze_value = + BSWAP_64(buf->mz_chunk[i].mze_value); + buf->mz_chunk[i].mze_cd = + BSWAP_32(buf->mz_chunk[i].mze_cd); + } +} + +void +zap_byteswap(void *buf, size_t size) +{ + uint64_t block_type; + + block_type = *(uint64_t *)buf; + + if (block_type == ZBT_MICRO || block_type == BSWAP_64(ZBT_MICRO)) { + /* ASSERT(magic == ZAP_LEAF_MAGIC); */ + mzap_byteswap(buf, size); + } else { + fzap_byteswap(buf, size); + } +} + +static int +mze_compare(const void *arg1, const void *arg2) +{ + const mzap_ent_t *mze1 = arg1; + const mzap_ent_t *mze2 = arg2; + + if (mze1->mze_hash > mze2->mze_hash) + return (+1); + if (mze1->mze_hash < mze2->mze_hash) + return (-1); + if (mze1->mze_cd > mze2->mze_cd) + return (+1); + if (mze1->mze_cd < mze2->mze_cd) + return (-1); + return (0); +} + +static void +mze_insert(zap_t *zap, int chunkid, uint64_t hash) +{ + mzap_ent_t *mze; + + ASSERT(zap->zap_ismicro); + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + + mze = kmem_alloc(sizeof (mzap_ent_t), KM_SLEEP); + mze->mze_chunkid = chunkid; + mze->mze_hash = hash; + mze->mze_cd = MZE_PHYS(zap, mze)->mze_cd; + ASSERT(MZE_PHYS(zap, mze)->mze_name[0] != 0); + avl_add(&zap->zap_m.zap_avl, mze); +} + +static mzap_ent_t * +mze_find(zap_name_t *zn) +{ + mzap_ent_t mze_tofind; + mzap_ent_t *mze; + avl_index_t idx; + avl_tree_t *avl = &zn->zn_zap->zap_m.zap_avl; + + ASSERT(zn->zn_zap->zap_ismicro); + ASSERT(RW_LOCK_HELD(&zn->zn_zap->zap_rwlock)); + + mze_tofind.mze_hash = zn->zn_hash; + mze_tofind.mze_cd = 0; + +again: + mze = avl_find(avl, &mze_tofind, &idx); + if (mze == NULL) + mze = avl_nearest(avl, idx, AVL_AFTER); + for (; mze && mze->mze_hash == zn->zn_hash; mze = AVL_NEXT(avl, mze)) { + ASSERT3U(mze->mze_cd, ==, MZE_PHYS(zn->zn_zap, mze)->mze_cd); + if (zap_match(zn, MZE_PHYS(zn->zn_zap, mze)->mze_name)) + return (mze); + } + if (zn->zn_matchtype == MT_BEST) { + zn->zn_matchtype = MT_FIRST; + goto again; + } + return (NULL); +} + +static uint32_t +mze_find_unused_cd(zap_t *zap, uint64_t hash) +{ + mzap_ent_t mze_tofind; + mzap_ent_t *mze; + avl_index_t idx; + avl_tree_t *avl = &zap->zap_m.zap_avl; + uint32_t cd; + + ASSERT(zap->zap_ismicro); + ASSERT(RW_LOCK_HELD(&zap->zap_rwlock)); + + mze_tofind.mze_hash = hash; + mze_tofind.mze_cd = 0; + + cd = 0; + for (mze = avl_find(avl, &mze_tofind, &idx); + mze && mze->mze_hash == hash; mze = AVL_NEXT(avl, mze)) { + if (mze->mze_cd != cd) + break; + cd++; + } + + return (cd); +} + +static void +mze_remove(zap_t *zap, mzap_ent_t *mze) +{ + ASSERT(zap->zap_ismicro); + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + + avl_remove(&zap->zap_m.zap_avl, mze); + kmem_free(mze, sizeof (mzap_ent_t)); +} + +static void +mze_destroy(zap_t *zap) +{ + mzap_ent_t *mze; + void *avlcookie = NULL; + + while ((mze = avl_destroy_nodes(&zap->zap_m.zap_avl, &avlcookie))) + kmem_free(mze, sizeof (mzap_ent_t)); + avl_destroy(&zap->zap_m.zap_avl); +} + +static zap_t * +mzap_open(objset_t *os, uint64_t obj, dmu_buf_t *db) +{ + zap_t *winner; + zap_t *zap; + int i; + + ASSERT3U(MZAP_ENT_LEN, ==, sizeof (mzap_ent_phys_t)); + + zap = kmem_zalloc(sizeof (zap_t), KM_SLEEP); + rw_init(&zap->zap_rwlock, NULL, RW_DEFAULT, NULL); + rw_enter(&zap->zap_rwlock, RW_WRITER); + zap->zap_objset = os; + zap->zap_object = obj; + zap->zap_dbuf = db; + + if (*(uint64_t *)db->db_data != ZBT_MICRO) { + mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0); + zap->zap_f.zap_block_shift = highbit64(db->db_size) - 1; + } else { + zap->zap_ismicro = TRUE; + } + + /* + * Make sure that zap_ismicro is set before we let others see + * it, because zap_lockdir() checks zap_ismicro without the lock + * held. + */ + dmu_buf_init_user(&zap->zap_dbu, zap_evict, &zap->zap_dbuf); + winner = dmu_buf_set_user(db, &zap->zap_dbu); + + if (winner != NULL) { + rw_exit(&zap->zap_rwlock); + rw_destroy(&zap->zap_rwlock); + if (!zap->zap_ismicro) + mutex_destroy(&zap->zap_f.zap_num_entries_mtx); + kmem_free(zap, sizeof (zap_t)); + return (winner); + } + + if (zap->zap_ismicro) { + zap->zap_salt = zap_m_phys(zap)->mz_salt; + zap->zap_normflags = zap_m_phys(zap)->mz_normflags; + zap->zap_m.zap_num_chunks = db->db_size / MZAP_ENT_LEN - 1; + avl_create(&zap->zap_m.zap_avl, mze_compare, + sizeof (mzap_ent_t), offsetof(mzap_ent_t, mze_node)); + + for (i = 0; i < zap->zap_m.zap_num_chunks; i++) { + mzap_ent_phys_t *mze = + &zap_m_phys(zap)->mz_chunk[i]; + if (mze->mze_name[0]) { + zap_name_t *zn; + + zap->zap_m.zap_num_entries++; + zn = zap_name_alloc(zap, mze->mze_name, + MT_EXACT); + mze_insert(zap, i, zn->zn_hash); + zap_name_free(zn); + } + } + } else { + zap->zap_salt = zap_f_phys(zap)->zap_salt; + zap->zap_normflags = zap_f_phys(zap)->zap_normflags; + + ASSERT3U(sizeof (struct zap_leaf_header), ==, + 2*ZAP_LEAF_CHUNKSIZE); + + /* + * The embedded pointer table should not overlap the + * other members. + */ + ASSERT3P(&ZAP_EMBEDDED_PTRTBL_ENT(zap, 0), >, + &zap_f_phys(zap)->zap_salt); + + /* + * The embedded pointer table should end at the end of + * the block + */ + ASSERT3U((uintptr_t)&ZAP_EMBEDDED_PTRTBL_ENT(zap, + 1<zap_dbuf->db_size); + } + rw_exit(&zap->zap_rwlock); + return (zap); +} + +int +zap_lockdir(objset_t *os, uint64_t obj, dmu_tx_t *tx, + krw_t lti, boolean_t fatreader, boolean_t adding, zap_t **zapp) +{ + dmu_object_info_t doi; + zap_t *zap; + dmu_buf_t *db; + krw_t lt; + int err; + + *zapp = NULL; + + err = dmu_buf_hold(os, obj, 0, NULL, &db, DMU_READ_NO_PREFETCH); + if (err) + return (err); + + dmu_object_info_from_db(db, &doi); + if (DMU_OT_BYTESWAP(doi.doi_type) != DMU_BSWAP_ZAP) + return (SET_ERROR(EINVAL)); + + zap = dmu_buf_get_user(db); + if (zap == NULL) + zap = mzap_open(os, obj, db); + + /* + * We're checking zap_ismicro without the lock held, in order to + * tell what type of lock we want. Once we have some sort of + * lock, see if it really is the right type. In practice this + * can only be different if it was upgraded from micro to fat, + * and micro wanted WRITER but fat only needs READER. + */ + lt = (!zap->zap_ismicro && fatreader) ? RW_READER : lti; + rw_enter(&zap->zap_rwlock, lt); + if (lt != ((!zap->zap_ismicro && fatreader) ? RW_READER : lti)) { + /* it was upgraded, now we only need reader */ + ASSERT(lt == RW_WRITER); + ASSERT(RW_READER == + ((!zap->zap_ismicro && fatreader) ? RW_READER : lti)); + rw_downgrade(&zap->zap_rwlock); + lt = RW_READER; + } + + zap->zap_objset = os; + + if (lt == RW_WRITER) + dmu_buf_will_dirty(db, tx); + + ASSERT3P(zap->zap_dbuf, ==, db); + + ASSERT(!zap->zap_ismicro || + zap->zap_m.zap_num_entries <= zap->zap_m.zap_num_chunks); + if (zap->zap_ismicro && tx && adding && + zap->zap_m.zap_num_entries == zap->zap_m.zap_num_chunks) { + uint64_t newsz = db->db_size + SPA_MINBLOCKSIZE; + if (newsz > MZAP_MAX_BLKSZ) { + dprintf("upgrading obj %llu: num_entries=%u\n", + obj, zap->zap_m.zap_num_entries); + *zapp = zap; + return (mzap_upgrade(zapp, tx, 0)); + } + err = dmu_object_set_blocksize(os, obj, newsz, 0, tx); + ASSERT0(err); + zap->zap_m.zap_num_chunks = + db->db_size / MZAP_ENT_LEN - 1; + } + + *zapp = zap; + return (0); +} + +void +zap_unlockdir(zap_t *zap) +{ + rw_exit(&zap->zap_rwlock); + dmu_buf_rele(zap->zap_dbuf, NULL); +} + +static int +mzap_upgrade(zap_t **zapp, dmu_tx_t *tx, zap_flags_t flags) +{ + mzap_phys_t *mzp; + int i, sz, nchunks; + int err = 0; + zap_t *zap = *zapp; + + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + + sz = zap->zap_dbuf->db_size; + mzp = zio_buf_alloc(sz); + bcopy(zap->zap_dbuf->db_data, mzp, sz); + nchunks = zap->zap_m.zap_num_chunks; + + if (!flags) { + err = dmu_object_set_blocksize(zap->zap_objset, zap->zap_object, + 1ULL << fzap_default_block_shift, 0, tx); + if (err) { + zio_buf_free(mzp, sz); + return (err); + } + } + + dprintf("upgrading obj=%llu with %u chunks\n", + zap->zap_object, nchunks); + /* XXX destroy the avl later, so we can use the stored hash value */ + mze_destroy(zap); + + fzap_upgrade(zap, tx, flags); + + for (i = 0; i < nchunks; i++) { + mzap_ent_phys_t *mze = &mzp->mz_chunk[i]; + zap_name_t *zn; + if (mze->mze_name[0] == 0) + continue; + dprintf("adding %s=%llu\n", + mze->mze_name, mze->mze_value); + zn = zap_name_alloc(zap, mze->mze_name, MT_EXACT); + err = fzap_add_cd(zn, 8, 1, &mze->mze_value, mze->mze_cd, tx); + zap = zn->zn_zap; /* fzap_add_cd() may change zap */ + zap_name_free(zn); + if (err) + break; + } + zio_buf_free(mzp, sz); + *zapp = zap; + return (err); +} + +void +mzap_create_impl(objset_t *os, uint64_t obj, int normflags, zap_flags_t flags, + dmu_tx_t *tx) +{ + dmu_buf_t *db; + mzap_phys_t *zp; + + VERIFY(0 == dmu_buf_hold(os, obj, 0, FTAG, &db, DMU_READ_NO_PREFETCH)); + +#ifdef ZFS_DEBUG + { + dmu_object_info_t doi; + dmu_object_info_from_db(db, &doi); + ASSERT3U(DMU_OT_BYTESWAP(doi.doi_type), ==, DMU_BSWAP_ZAP); + } +#endif + + dmu_buf_will_dirty(db, tx); + zp = db->db_data; + zp->mz_block_type = ZBT_MICRO; + zp->mz_salt = ((uintptr_t)db ^ (uintptr_t)tx ^ (obj << 1)) | 1ULL; + zp->mz_normflags = normflags; + dmu_buf_rele(db, FTAG); + + if (flags != 0) { + zap_t *zap; + /* Only fat zap supports flags; upgrade immediately. */ + VERIFY(0 == zap_lockdir(os, obj, tx, RW_WRITER, + B_FALSE, B_FALSE, &zap)); + VERIFY3U(0, ==, mzap_upgrade(&zap, tx, flags)); + zap_unlockdir(zap); + } +} + +int +zap_create_claim(objset_t *os, uint64_t obj, dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + return (zap_create_claim_norm(os, obj, + 0, ot, bonustype, bonuslen, tx)); +} + +int +zap_create_claim_norm(objset_t *os, uint64_t obj, int normflags, + dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + int err; + + err = dmu_object_claim(os, obj, ot, 0, bonustype, bonuslen, tx); + if (err != 0) + return (err); + mzap_create_impl(os, obj, normflags, 0, tx); + return (0); +} + +uint64_t +zap_create(objset_t *os, dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + return (zap_create_norm(os, 0, ot, bonustype, bonuslen, tx)); +} + +uint64_t +zap_create_norm(objset_t *os, int normflags, dmu_object_type_t ot, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + uint64_t obj = dmu_object_alloc(os, ot, 0, bonustype, bonuslen, tx); + + mzap_create_impl(os, obj, normflags, 0, tx); + return (obj); +} + +uint64_t +zap_create_flags(objset_t *os, int normflags, zap_flags_t flags, + dmu_object_type_t ot, int leaf_blockshift, int indirect_blockshift, + dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx) +{ + uint64_t obj = dmu_object_alloc(os, ot, 0, bonustype, bonuslen, tx); + + ASSERT(leaf_blockshift >= SPA_MINBLOCKSHIFT && + leaf_blockshift <= SPA_OLD_MAXBLOCKSHIFT && + indirect_blockshift >= SPA_MINBLOCKSHIFT && + indirect_blockshift <= SPA_OLD_MAXBLOCKSHIFT); + + VERIFY(dmu_object_set_blocksize(os, obj, + 1ULL << leaf_blockshift, indirect_blockshift, tx) == 0); + + mzap_create_impl(os, obj, normflags, flags, tx); + return (obj); +} + +int +zap_destroy(objset_t *os, uint64_t zapobj, dmu_tx_t *tx) +{ + /* + * dmu_object_free will free the object number and free the + * data. Freeing the data will cause our pageout function to be + * called, which will destroy our data (zap_leaf_t's and zap_t). + */ + + return (dmu_object_free(os, zapobj, tx)); +} + +void +zap_evict(void *dbu) +{ + zap_t *zap = dbu; + + rw_destroy(&zap->zap_rwlock); + + if (zap->zap_ismicro) + mze_destroy(zap); + else + mutex_destroy(&zap->zap_f.zap_num_entries_mtx); + + kmem_free(zap, sizeof (zap_t)); +} + +int +zap_count(objset_t *os, uint64_t zapobj, uint64_t *count) +{ + zap_t *zap; + int err; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + if (!zap->zap_ismicro) { + err = fzap_count(zap, count); + } else { + *count = zap->zap_m.zap_num_entries; + } + zap_unlockdir(zap); + return (err); +} + +/* + * zn may be NULL; if not specified, it will be computed if needed. + * See also the comment above zap_entry_normalization_conflict(). + */ +static boolean_t +mzap_normalization_conflict(zap_t *zap, zap_name_t *zn, mzap_ent_t *mze) +{ + mzap_ent_t *other; + int direction = AVL_BEFORE; + boolean_t allocdzn = B_FALSE; + + if (zap->zap_normflags == 0) + return (B_FALSE); + +again: + for (other = avl_walk(&zap->zap_m.zap_avl, mze, direction); + other && other->mze_hash == mze->mze_hash; + other = avl_walk(&zap->zap_m.zap_avl, other, direction)) { + + if (zn == NULL) { + zn = zap_name_alloc(zap, MZE_PHYS(zap, mze)->mze_name, + MT_FIRST); + allocdzn = B_TRUE; + } + if (zap_match(zn, MZE_PHYS(zap, other)->mze_name)) { + if (allocdzn) + zap_name_free(zn); + return (B_TRUE); + } + } + + if (direction == AVL_BEFORE) { + direction = AVL_AFTER; + goto again; + } + + if (allocdzn) + zap_name_free(zn); + return (B_FALSE); +} + +/* + * Routines for manipulating attributes. + */ + +int +zap_lookup(objset_t *os, uint64_t zapobj, const char *name, + uint64_t integer_size, uint64_t num_integers, void *buf) +{ + return (zap_lookup_norm(os, zapobj, name, integer_size, + num_integers, buf, MT_EXACT, NULL, 0, NULL)); +} + +int +zap_lookup_norm(objset_t *os, uint64_t zapobj, const char *name, + uint64_t integer_size, uint64_t num_integers, void *buf, + matchtype_t mt, char *realname, int rn_len, + boolean_t *ncp) +{ + zap_t *zap; + int err; + mzap_ent_t *mze; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc(zap, name, mt); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + + if (!zap->zap_ismicro) { + err = fzap_lookup(zn, integer_size, num_integers, buf, + realname, rn_len, ncp); + } else { + mze = mze_find(zn); + if (mze == NULL) { + err = SET_ERROR(ENOENT); + } else { + if (num_integers < 1) { + err = SET_ERROR(EOVERFLOW); + } else if (integer_size != 8) { + err = SET_ERROR(EINVAL); + } else { + *(uint64_t *)buf = + MZE_PHYS(zap, mze)->mze_value; + (void) strlcpy(realname, + MZE_PHYS(zap, mze)->mze_name, rn_len); + if (ncp) { + *ncp = mzap_normalization_conflict(zap, + zn, mze); + } + } + } + } + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +int +zap_prefetch(objset_t *os, uint64_t zapobj, const char *name) +{ + zap_t *zap; + int err; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc(zap, name, MT_EXACT); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + + fzap_prefetch(zn); + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +int +zap_prefetch_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints) +{ + zap_t *zap; + int err; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc_uint64(zap, key, key_numints); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + + fzap_prefetch(zn); + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +int +zap_lookup_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, uint64_t integer_size, uint64_t num_integers, void *buf) +{ + zap_t *zap; + int err; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc_uint64(zap, key, key_numints); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + + err = fzap_lookup(zn, integer_size, num_integers, buf, + NULL, 0, NULL); + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +int +zap_contains(objset_t *os, uint64_t zapobj, const char *name) +{ + int err = zap_lookup_norm(os, zapobj, name, 0, + 0, NULL, MT_EXACT, NULL, 0, NULL); + if (err == EOVERFLOW || err == EINVAL) + err = 0; /* found, but skipped reading the value */ + return (err); +} + +int +zap_length(objset_t *os, uint64_t zapobj, const char *name, + uint64_t *integer_size, uint64_t *num_integers) +{ + zap_t *zap; + int err; + mzap_ent_t *mze; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc(zap, name, MT_EXACT); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + if (!zap->zap_ismicro) { + err = fzap_length(zn, integer_size, num_integers); + } else { + mze = mze_find(zn); + if (mze == NULL) { + err = SET_ERROR(ENOENT); + } else { + if (integer_size) + *integer_size = 8; + if (num_integers) + *num_integers = 1; + } + } + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +int +zap_length_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, uint64_t *integer_size, uint64_t *num_integers) +{ + zap_t *zap; + int err; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc_uint64(zap, key, key_numints); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + err = fzap_length(zn, integer_size, num_integers); + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +static void +mzap_addent(zap_name_t *zn, uint64_t value) +{ + int i; + zap_t *zap = zn->zn_zap; + int start = zap->zap_m.zap_alloc_next; + uint32_t cd; + + ASSERT(RW_WRITE_HELD(&zap->zap_rwlock)); + +#ifdef ZFS_DEBUG + for (i = 0; i < zap->zap_m.zap_num_chunks; i++) { + ASSERTV(mzap_ent_phys_t *mze); + ASSERT(mze = &zap_m_phys(zap)->mz_chunk[i]); + ASSERT(strcmp(zn->zn_key_orig, mze->mze_name) != 0); + } +#endif + + cd = mze_find_unused_cd(zap, zn->zn_hash); + /* given the limited size of the microzap, this can't happen */ + ASSERT(cd < zap_maxcd(zap)); + +again: + for (i = start; i < zap->zap_m.zap_num_chunks; i++) { + mzap_ent_phys_t *mze = &zap_m_phys(zap)->mz_chunk[i]; + if (mze->mze_name[0] == 0) { + mze->mze_value = value; + mze->mze_cd = cd; + (void) strcpy(mze->mze_name, zn->zn_key_orig); + zap->zap_m.zap_num_entries++; + zap->zap_m.zap_alloc_next = i+1; + if (zap->zap_m.zap_alloc_next == + zap->zap_m.zap_num_chunks) + zap->zap_m.zap_alloc_next = 0; + mze_insert(zap, i, zn->zn_hash); + return; + } + } + if (start != 0) { + start = 0; + goto again; + } + cmn_err(CE_PANIC, "out of entries!"); +} + +int +zap_add(objset_t *os, uint64_t zapobj, const char *key, + int integer_size, uint64_t num_integers, + const void *val, dmu_tx_t *tx) +{ + zap_t *zap; + int err; + mzap_ent_t *mze; + const uint64_t *intval = val; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, tx, RW_WRITER, TRUE, TRUE, &zap); + if (err) + return (err); + zn = zap_name_alloc(zap, key, MT_EXACT); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + if (!zap->zap_ismicro) { + err = fzap_add(zn, integer_size, num_integers, val, tx); + zap = zn->zn_zap; /* fzap_add() may change zap */ + } else if (integer_size != 8 || num_integers != 1 || + strlen(key) >= MZAP_NAME_LEN) { + err = mzap_upgrade(&zn->zn_zap, tx, 0); + if (err == 0) + err = fzap_add(zn, integer_size, num_integers, val, tx); + zap = zn->zn_zap; /* fzap_add() may change zap */ + } else { + mze = mze_find(zn); + if (mze != NULL) { + err = SET_ERROR(EEXIST); + } else { + mzap_addent(zn, *intval); + } + } + ASSERT(zap == zn->zn_zap); + zap_name_free(zn); + if (zap != NULL) /* may be NULL if fzap_add() failed */ + zap_unlockdir(zap); + return (err); +} + +int +zap_add_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, int integer_size, uint64_t num_integers, + const void *val, dmu_tx_t *tx) +{ + zap_t *zap; + int err; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, tx, RW_WRITER, TRUE, TRUE, &zap); + if (err) + return (err); + zn = zap_name_alloc_uint64(zap, key, key_numints); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + err = fzap_add(zn, integer_size, num_integers, val, tx); + zap = zn->zn_zap; /* fzap_add() may change zap */ + zap_name_free(zn); + if (zap != NULL) /* may be NULL if fzap_add() failed */ + zap_unlockdir(zap); + return (err); +} + +int +zap_update(objset_t *os, uint64_t zapobj, const char *name, + int integer_size, uint64_t num_integers, const void *val, dmu_tx_t *tx) +{ + zap_t *zap; + mzap_ent_t *mze; + const uint64_t *intval = val; + zap_name_t *zn; + int err; + +#ifdef ZFS_DEBUG + uint64_t oldval; + + /* + * If there is an old value, it shouldn't change across the + * lockdir (eg, due to bprewrite's xlation). + */ + if (integer_size == 8 && num_integers == 1) + (void) zap_lookup(os, zapobj, name, 8, 1, &oldval); +#endif + + err = zap_lockdir(os, zapobj, tx, RW_WRITER, TRUE, TRUE, &zap); + if (err) + return (err); + zn = zap_name_alloc(zap, name, MT_EXACT); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + if (!zap->zap_ismicro) { + err = fzap_update(zn, integer_size, num_integers, val, tx); + zap = zn->zn_zap; /* fzap_update() may change zap */ + } else if (integer_size != 8 || num_integers != 1 || + strlen(name) >= MZAP_NAME_LEN) { + dprintf("upgrading obj %llu: intsz=%u numint=%llu name=%s\n", + zapobj, integer_size, num_integers, name); + err = mzap_upgrade(&zn->zn_zap, tx, 0); + if (err == 0) + err = fzap_update(zn, integer_size, num_integers, + val, tx); + zap = zn->zn_zap; /* fzap_update() may change zap */ + } else { + mze = mze_find(zn); + if (mze != NULL) { + ASSERT3U(MZE_PHYS(zap, mze)->mze_value, ==, oldval); + MZE_PHYS(zap, mze)->mze_value = *intval; + } else { + mzap_addent(zn, *intval); + } + } + ASSERT(zap == zn->zn_zap); + zap_name_free(zn); + if (zap != NULL) /* may be NULL if fzap_upgrade() failed */ + zap_unlockdir(zap); + return (err); +} + +int +zap_update_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, + int integer_size, uint64_t num_integers, const void *val, dmu_tx_t *tx) +{ + zap_t *zap; + zap_name_t *zn; + int err; + + err = zap_lockdir(os, zapobj, tx, RW_WRITER, TRUE, TRUE, &zap); + if (err) + return (err); + zn = zap_name_alloc_uint64(zap, key, key_numints); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + err = fzap_update(zn, integer_size, num_integers, val, tx); + zap = zn->zn_zap; /* fzap_update() may change zap */ + zap_name_free(zn); + if (zap != NULL) /* may be NULL if fzap_upgrade() failed */ + zap_unlockdir(zap); + return (err); +} + +int +zap_remove(objset_t *os, uint64_t zapobj, const char *name, dmu_tx_t *tx) +{ + return (zap_remove_norm(os, zapobj, name, MT_EXACT, tx)); +} + +int +zap_remove_norm(objset_t *os, uint64_t zapobj, const char *name, + matchtype_t mt, dmu_tx_t *tx) +{ + zap_t *zap; + int err; + mzap_ent_t *mze; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, tx, RW_WRITER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc(zap, name, mt); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + if (!zap->zap_ismicro) { + err = fzap_remove(zn, tx); + } else { + mze = mze_find(zn); + if (mze == NULL) { + err = SET_ERROR(ENOENT); + } else { + zap->zap_m.zap_num_entries--; + bzero(&zap_m_phys(zap)->mz_chunk[mze->mze_chunkid], + sizeof (mzap_ent_phys_t)); + mze_remove(zap, mze); + } + } + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +int +zap_remove_uint64(objset_t *os, uint64_t zapobj, const uint64_t *key, + int key_numints, dmu_tx_t *tx) +{ + zap_t *zap; + int err; + zap_name_t *zn; + + err = zap_lockdir(os, zapobj, tx, RW_WRITER, TRUE, FALSE, &zap); + if (err) + return (err); + zn = zap_name_alloc_uint64(zap, key, key_numints); + if (zn == NULL) { + zap_unlockdir(zap); + return (SET_ERROR(ENOTSUP)); + } + err = fzap_remove(zn, tx); + zap_name_free(zn); + zap_unlockdir(zap); + return (err); +} + +/* + * Routines for iterating over the attributes. + */ + +void +zap_cursor_init_serialized(zap_cursor_t *zc, objset_t *os, uint64_t zapobj, + uint64_t serialized) +{ + zc->zc_objset = os; + zc->zc_zap = NULL; + zc->zc_leaf = NULL; + zc->zc_zapobj = zapobj; + zc->zc_serialized = serialized; + zc->zc_hash = 0; + zc->zc_cd = 0; +} + +void +zap_cursor_init(zap_cursor_t *zc, objset_t *os, uint64_t zapobj) +{ + zap_cursor_init_serialized(zc, os, zapobj, 0); +} + +void +zap_cursor_fini(zap_cursor_t *zc) +{ + if (zc->zc_zap) { + rw_enter(&zc->zc_zap->zap_rwlock, RW_READER); + zap_unlockdir(zc->zc_zap); + zc->zc_zap = NULL; + } + if (zc->zc_leaf) { + rw_enter(&zc->zc_leaf->l_rwlock, RW_READER); + zap_put_leaf(zc->zc_leaf); + zc->zc_leaf = NULL; + } + zc->zc_objset = NULL; +} + +uint64_t +zap_cursor_serialize(zap_cursor_t *zc) +{ + if (zc->zc_hash == -1ULL) + return (-1ULL); + if (zc->zc_zap == NULL) + return (zc->zc_serialized); + ASSERT((zc->zc_hash & zap_maxcd(zc->zc_zap)) == 0); + ASSERT(zc->zc_cd < zap_maxcd(zc->zc_zap)); + + /* + * We want to keep the high 32 bits of the cursor zero if we can, so + * that 32-bit programs can access this. So usually use a small + * (28-bit) hash value so we can fit 4 bits of cd into the low 32-bits + * of the cursor. + * + * [ collision differentiator | zap_hashbits()-bit hash value ] + */ + return ((zc->zc_hash >> (64 - zap_hashbits(zc->zc_zap))) | + ((uint64_t)zc->zc_cd << zap_hashbits(zc->zc_zap))); +} + +int +zap_cursor_retrieve(zap_cursor_t *zc, zap_attribute_t *za) +{ + int err; + avl_index_t idx; + mzap_ent_t mze_tofind; + mzap_ent_t *mze; + + if (zc->zc_hash == -1ULL) + return (SET_ERROR(ENOENT)); + + if (zc->zc_zap == NULL) { + int hb; + err = zap_lockdir(zc->zc_objset, zc->zc_zapobj, NULL, + RW_READER, TRUE, FALSE, &zc->zc_zap); + if (err) + return (err); + + /* + * To support zap_cursor_init_serialized, advance, retrieve, + * we must add to the existing zc_cd, which may already + * be 1 due to the zap_cursor_advance. + */ + ASSERT(zc->zc_hash == 0); + hb = zap_hashbits(zc->zc_zap); + zc->zc_hash = zc->zc_serialized << (64 - hb); + zc->zc_cd += zc->zc_serialized >> hb; + if (zc->zc_cd >= zap_maxcd(zc->zc_zap)) /* corrupt serialized */ + zc->zc_cd = 0; + } else { + rw_enter(&zc->zc_zap->zap_rwlock, RW_READER); + } + if (!zc->zc_zap->zap_ismicro) { + err = fzap_cursor_retrieve(zc->zc_zap, zc, za); + } else { + mze_tofind.mze_hash = zc->zc_hash; + mze_tofind.mze_cd = zc->zc_cd; + + mze = avl_find(&zc->zc_zap->zap_m.zap_avl, &mze_tofind, &idx); + if (mze == NULL) { + mze = avl_nearest(&zc->zc_zap->zap_m.zap_avl, + idx, AVL_AFTER); + } + if (mze) { + mzap_ent_phys_t *mzep = MZE_PHYS(zc->zc_zap, mze); + ASSERT3U(mze->mze_cd, ==, mzep->mze_cd); + za->za_normalization_conflict = + mzap_normalization_conflict(zc->zc_zap, NULL, mze); + za->za_integer_length = 8; + za->za_num_integers = 1; + za->za_first_integer = mzep->mze_value; + (void) strcpy(za->za_name, mzep->mze_name); + zc->zc_hash = mze->mze_hash; + zc->zc_cd = mze->mze_cd; + err = 0; + } else { + zc->zc_hash = -1ULL; + err = SET_ERROR(ENOENT); + } + } + rw_exit(&zc->zc_zap->zap_rwlock); + return (err); +} + +void +zap_cursor_advance(zap_cursor_t *zc) +{ + if (zc->zc_hash == -1ULL) + return; + zc->zc_cd++; +} + +int +zap_get_stats(objset_t *os, uint64_t zapobj, zap_stats_t *zs) +{ + int err; + zap_t *zap; + + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + + bzero(zs, sizeof (zap_stats_t)); + + if (zap->zap_ismicro) { + zs->zs_blocksize = zap->zap_dbuf->db_size; + zs->zs_num_entries = zap->zap_m.zap_num_entries; + zs->zs_num_blocks = 1; + } else { + fzap_get_stats(zap, zs); + } + zap_unlockdir(zap); + return (0); +} + +int +zap_count_write(objset_t *os, uint64_t zapobj, const char *name, int add, + uint64_t *towrite, uint64_t *tooverwrite) +{ + zap_t *zap; + int err = 0; + + /* + * Since, we don't have a name, we cannot figure out which blocks will + * be affected in this operation. So, account for the worst case : + * - 3 blocks overwritten: target leaf, ptrtbl block, header block + * - 4 new blocks written if adding: + * - 2 blocks for possibly split leaves, + * - 2 grown ptrtbl blocks + * + * This also accomodates the case where an add operation to a fairly + * large microzap results in a promotion to fatzap. + */ + if (name == NULL) { + *towrite += (3 + (add ? 4 : 0)) * SPA_OLD_MAXBLOCKSIZE; + return (err); + } + + /* + * We lock the zap with adding == FALSE. Because, if we pass + * the actual value of add, it could trigger a mzap_upgrade(). + * At present we are just evaluating the possibility of this operation + * and hence we donot want to trigger an upgrade. + */ + err = zap_lockdir(os, zapobj, NULL, RW_READER, TRUE, FALSE, &zap); + if (err) + return (err); + + if (!zap->zap_ismicro) { + zap_name_t *zn = zap_name_alloc(zap, name, MT_EXACT); + if (zn) { + err = fzap_count_write(zn, add, towrite, + tooverwrite); + zap_name_free(zn); + } else { + /* + * We treat this case as similar to (name == NULL) + */ + *towrite += (3 + (add ? 4 : 0)) * SPA_OLD_MAXBLOCKSIZE; + } + } else { + /* + * We are here if (name != NULL) and this is a micro-zap. + * We account for the header block depending on whether it + * is freeable. + * + * Incase of an add-operation it is hard to find out + * if this add will promote this microzap to fatzap. + * Hence, we consider the worst case and account for the + * blocks assuming this microzap would be promoted to a + * fatzap. + * + * 1 block overwritten : header block + * 4 new blocks written : 2 new split leaf, 2 grown + * ptrtbl blocks + */ + if (dmu_buf_freeable(zap->zap_dbuf)) + *tooverwrite += MZAP_MAX_BLKSZ; + else + *towrite += MZAP_MAX_BLKSZ; + + if (add) { + *towrite += 4 * MZAP_MAX_BLKSZ; + } + } + + zap_unlockdir(zap); + return (err); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zap_create); +EXPORT_SYMBOL(zap_create_norm); +EXPORT_SYMBOL(zap_create_flags); +EXPORT_SYMBOL(zap_create_claim); +EXPORT_SYMBOL(zap_create_claim_norm); +EXPORT_SYMBOL(zap_destroy); +EXPORT_SYMBOL(zap_lookup); +EXPORT_SYMBOL(zap_lookup_norm); +EXPORT_SYMBOL(zap_lookup_uint64); +EXPORT_SYMBOL(zap_contains); +EXPORT_SYMBOL(zap_prefetch); +EXPORT_SYMBOL(zap_prefetch_uint64); +EXPORT_SYMBOL(zap_count_write); +EXPORT_SYMBOL(zap_add); +EXPORT_SYMBOL(zap_add_uint64); +EXPORT_SYMBOL(zap_update); +EXPORT_SYMBOL(zap_update_uint64); +EXPORT_SYMBOL(zap_length); +EXPORT_SYMBOL(zap_length_uint64); +EXPORT_SYMBOL(zap_remove); +EXPORT_SYMBOL(zap_remove_norm); +EXPORT_SYMBOL(zap_remove_uint64); +EXPORT_SYMBOL(zap_count); +EXPORT_SYMBOL(zap_value_search); +EXPORT_SYMBOL(zap_join); +EXPORT_SYMBOL(zap_join_increment); +EXPORT_SYMBOL(zap_add_int); +EXPORT_SYMBOL(zap_remove_int); +EXPORT_SYMBOL(zap_lookup_int); +EXPORT_SYMBOL(zap_increment_int); +EXPORT_SYMBOL(zap_add_int_key); +EXPORT_SYMBOL(zap_lookup_int_key); +EXPORT_SYMBOL(zap_increment); +EXPORT_SYMBOL(zap_cursor_init); +EXPORT_SYMBOL(zap_cursor_fini); +EXPORT_SYMBOL(zap_cursor_retrieve); +EXPORT_SYMBOL(zap_cursor_advance); +EXPORT_SYMBOL(zap_cursor_serialize); +EXPORT_SYMBOL(zap_cursor_init_serialized); +EXPORT_SYMBOL(zap_get_stats); +#endif diff --git a/zfs/module/zfs/zfeature.c b/zfs/module/zfs/zfeature.c new file mode 100644 index 000000000000..352376f22b9e --- /dev/null +++ b/zfs/module/zfs/zfeature.c @@ -0,0 +1,512 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include "zfeature_common.h" +#include + +/* + * ZFS Feature Flags + * ----------------- + * + * ZFS feature flags are used to provide fine-grained versioning to the ZFS + * on-disk format. Once enabled on a pool feature flags replace the old + * spa_version() number. + * + * Each new on-disk format change will be given a uniquely identifying string + * guid rather than a version number. This avoids the problem of different + * organizations creating new on-disk formats with the same version number. To + * keep feature guids unique they should consist of the reverse dns name of the + * organization which implemented the feature and a short name for the feature, + * separated by a colon (e.g. com.delphix:async_destroy). + * + * Reference Counts + * ---------------- + * + * Within each pool features can be in one of three states: disabled, enabled, + * or active. These states are differentiated by a reference count stored on + * disk for each feature: + * + * 1) If there is no reference count stored on disk the feature is disabled. + * 2) If the reference count is 0 a system administrator has enabled the + * feature, but the feature has not been used yet, so no on-disk + * format changes have been made. + * 3) If the reference count is greater than 0 the feature is active. + * The format changes required by the feature are currently on disk. + * Note that if the feature's format changes are reversed the feature + * may choose to set its reference count back to 0. + * + * Feature flags makes no differentiation between non-zero reference counts + * for an active feature (e.g. a reference count of 1 means the same thing as a + * reference count of 27834721), but feature implementations may choose to use + * the reference count to store meaningful information. For example, a new RAID + * implementation might set the reference count to the number of vdevs using + * it. If all those disks are removed from the pool the feature goes back to + * having a reference count of 0. + * + * It is the responsibility of the individual features to maintain a non-zero + * reference count as long as the feature's format changes are present on disk. + * + * Dependencies + * ------------ + * + * Each feature may depend on other features. The only effect of this + * relationship is that when a feature is enabled all of its dependencies are + * automatically enabled as well. Any future work to support disabling of + * features would need to ensure that features cannot be disabled if other + * enabled features depend on them. + * + * On-disk Format + * -------------- + * + * When feature flags are enabled spa_version() is set to SPA_VERSION_FEATURES + * (5000). In order for this to work the pool is automatically upgraded to + * SPA_VERSION_BEFORE_FEATURES (28) first, so all pre-feature flags on disk + * format changes will be in use. + * + * Information about features is stored in 3 ZAP objects in the pool's MOS. + * These objects are linked to by the following names in the pool directory + * object: + * + * 1) features_for_read: feature guid -> reference count + * Features needed to open the pool for reading. + * 2) features_for_write: feature guid -> reference count + * Features needed to open the pool for writing. + * 3) feature_descriptions: feature guid -> descriptive string + * A human readable string. + * + * All enabled features appear in either features_for_read or + * features_for_write, but not both. + * + * To open a pool in read-only mode only the features listed in + * features_for_read need to be supported. + * + * To open the pool in read-write mode features in both features_for_read and + * features_for_write need to be supported. + * + * Some features may be required to read the ZAP objects containing feature + * information. To allow software to check for compatibility with these features + * before the pool is opened their names must be stored in the label in a + * new "features_for_read" entry (note that features that are only required + * to write to a pool never need to be stored in the label since the + * features_for_write ZAP object can be read before the pool is written to). + * To save space in the label features must be explicitly marked as needing to + * be written to the label. Also, reference counts are not stored in the label, + * instead any feature whose reference count drops to 0 is removed from the + * label. + * + * Adding New Features + * ------------------- + * + * Features must be registered in zpool_feature_init() function in + * zfeature_common.c using the zfeature_register() function. This function + * has arguments to specify if the feature should be stored in the + * features_for_read or features_for_write ZAP object and if it needs to be + * written to the label when active. + * + * Once a feature is registered it will appear as a "feature@" + * property which can be set by an administrator. Feature implementors should + * use the spa_feature_is_enabled() and spa_feature_is_active() functions to + * query the state of a feature and the spa_feature_incr() and + * spa_feature_decr() functions to change an enabled feature's reference count. + * Reference counts may only be updated in the syncing context. + * + * Features may not perform enable-time initialization. Instead, any such + * initialization should occur when the feature is first used. This design + * enforces that on-disk changes be made only when features are used. Code + * should only check if a feature is enabled using spa_feature_is_enabled(), + * not by relying on any feature specific metadata existing. If a feature is + * enabled, but the feature's metadata is not on disk yet then it should be + * created as needed. + * + * As an example, consider the com.delphix:async_destroy feature. This feature + * relies on the existence of a bptree in the MOS that store blocks for + * asynchronous freeing. This bptree is not created when async_destroy is + * enabled. Instead, when a dataset is destroyed spa_feature_is_enabled() is + * called to check if async_destroy is enabled. If it is and the bptree object + * does not exist yet, the bptree object is created as part of the dataset + * destroy and async_destroy's reference count is incremented to indicate it + * has made an on-disk format change. Later, after the destroyed dataset's + * blocks have all been asynchronously freed there is no longer any use for the + * bptree object, so it is destroyed and async_destroy's reference count is + * decremented back to 0 to indicate that it has undone its on-disk format + * changes. + */ + +typedef enum { + FEATURE_ACTION_INCR, + FEATURE_ACTION_DECR, +} feature_action_t; + +/* + * Checks that the active features in the pool are supported by + * this software. Adds each unsupported feature (name -> description) to + * the supplied nvlist. + */ +boolean_t +spa_features_check(spa_t *spa, boolean_t for_write, + nvlist_t *unsup_feat, nvlist_t *enabled_feat) +{ + objset_t *os = spa->spa_meta_objset; + boolean_t supported; + zap_cursor_t *zc; + zap_attribute_t *za; + uint64_t obj = for_write ? + spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj; + char *buf; + + zc = kmem_alloc(sizeof (zap_cursor_t), KM_SLEEP); + za = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP); + buf = kmem_alloc(MAXPATHLEN, KM_SLEEP); + + supported = B_TRUE; + for (zap_cursor_init(zc, os, obj); + zap_cursor_retrieve(zc, za) == 0; + zap_cursor_advance(zc)) { + ASSERT(za->za_integer_length == sizeof (uint64_t) && + za->za_num_integers == 1); + + if (NULL != enabled_feat) { + fnvlist_add_uint64(enabled_feat, za->za_name, + za->za_first_integer); + } + + if (za->za_first_integer != 0 && + !zfeature_is_supported(za->za_name)) { + supported = B_FALSE; + + if (NULL != unsup_feat) { + char *desc = ""; + + if (zap_lookup(os, spa->spa_feat_desc_obj, + za->za_name, 1, MAXPATHLEN, buf) == 0) + desc = buf; + + VERIFY(nvlist_add_string(unsup_feat, + za->za_name, desc) == 0); + } + } + } + zap_cursor_fini(zc); + + kmem_free(buf, MAXPATHLEN); + kmem_free(za, sizeof (zap_attribute_t)); + kmem_free(zc, sizeof (zap_cursor_t)); + + return (supported); +} + +/* + * Use an in-memory cache of feature refcounts for quick retrieval. + * + * Note: well-designed features will not need to use this; they should + * use spa_feature_is_enabled() and spa_feature_is_active() instead. + * However, this is non-static for zdb, zhack, and spa_add_feature_stats(). + */ +int +feature_get_refcount(spa_t *spa, zfeature_info_t *feature, uint64_t *res) +{ + ASSERT(VALID_FEATURE_FID(feature->fi_feature)); + if (spa->spa_feat_refcount_cache[feature->fi_feature] == + SPA_FEATURE_DISABLED) { + return (SET_ERROR(ENOTSUP)); + } + *res = spa->spa_feat_refcount_cache[feature->fi_feature]; + return (0); +} + +/* + * Note: well-designed features will not need to use this; they should + * use spa_feature_is_enabled() and spa_feature_is_active() instead. + * However, this is non-static for zdb and zhack. + */ +int +feature_get_refcount_from_disk(spa_t *spa, zfeature_info_t *feature, + uint64_t *res) +{ + int err; + uint64_t refcount; + uint64_t zapobj = feature->fi_can_readonly ? + spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj; + + /* + * If the pool is currently being created, the feature objects may not + * have been allocated yet. Act as though all features are disabled. + */ + if (zapobj == 0) + return (SET_ERROR(ENOTSUP)); + + err = zap_lookup(spa->spa_meta_objset, zapobj, + feature->fi_guid, sizeof (uint64_t), 1, &refcount); + if (err != 0) { + if (err == ENOENT) + return (SET_ERROR(ENOTSUP)); + else + return (err); + } + *res = refcount; + return (0); +} + + +static int +feature_get_enabled_txg(spa_t *spa, zfeature_info_t *feature, uint64_t *res) { + ASSERTV(uint64_t enabled_txg_obj = spa->spa_feat_enabled_txg_obj); + + ASSERT(zfeature_depends_on(feature->fi_feature, + SPA_FEATURE_ENABLED_TXG)); + + if (!spa_feature_is_enabled(spa, feature->fi_feature)) { + return (SET_ERROR(ENOTSUP)); + } + + ASSERT(enabled_txg_obj != 0); + + VERIFY0(zap_lookup(spa->spa_meta_objset, spa->spa_feat_enabled_txg_obj, + feature->fi_guid, sizeof (uint64_t), 1, res)); + + return (0); +} + +/* + * This function is non-static for zhack; it should otherwise not be used + * outside this file. + */ +void +feature_sync(spa_t *spa, zfeature_info_t *feature, uint64_t refcount, + dmu_tx_t *tx) +{ + uint64_t zapobj; + + ASSERT(VALID_FEATURE_OR_NONE(feature->fi_feature)); + zapobj = feature->fi_can_readonly ? + spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj; + VERIFY0(zap_update(spa->spa_meta_objset, zapobj, feature->fi_guid, + sizeof (uint64_t), 1, &refcount, tx)); + + /* + * feature_sync is called directly from zhack, allowing the + * creation of arbitrary features whose fi_feature field may + * be greater than SPA_FEATURES. When called from zhack, the + * zfeature_info_t object's fi_feature field will be set to + * SPA_FEATURE_NONE. + */ + if (feature->fi_feature != SPA_FEATURE_NONE) { + uint64_t *refcount_cache = + &spa->spa_feat_refcount_cache[feature->fi_feature]; + VERIFY3U(*refcount_cache, ==, + atomic_swap_64(refcount_cache, refcount)); + } + + if (refcount == 0) + spa_deactivate_mos_feature(spa, feature->fi_guid); + else if (feature->fi_mos) + spa_activate_mos_feature(spa, feature->fi_guid, tx); +} + +/* + * This function is non-static for zhack; it should otherwise not be used + * outside this file. + */ +void +feature_enable_sync(spa_t *spa, zfeature_info_t *feature, dmu_tx_t *tx) +{ + uint64_t initial_refcount = feature->fi_activate_on_enable ? 1 : 0; + uint64_t zapobj = feature->fi_can_readonly ? + spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj; + int i; + + ASSERT(0 != zapobj); + ASSERT(zfeature_is_valid_guid(feature->fi_guid)); + ASSERT3U(spa_version(spa), >=, SPA_VERSION_FEATURES); + + /* + * If the feature is already enabled, ignore the request. + */ + if (zap_contains(spa->spa_meta_objset, zapobj, feature->fi_guid) == 0) + return; + + for (i = 0; feature->fi_depends[i] != SPA_FEATURE_NONE; i++) + spa_feature_enable(spa, feature->fi_depends[i], tx); + + VERIFY0(zap_update(spa->spa_meta_objset, spa->spa_feat_desc_obj, + feature->fi_guid, 1, strlen(feature->fi_desc) + 1, + feature->fi_desc, tx)); + + feature_sync(spa, feature, initial_refcount, tx); + + if (spa_feature_is_enabled(spa, SPA_FEATURE_ENABLED_TXG)) { + uint64_t enabling_txg = dmu_tx_get_txg(tx); + + if (spa->spa_feat_enabled_txg_obj == 0ULL) { + spa->spa_feat_enabled_txg_obj = + zap_create_link(spa->spa_meta_objset, + DMU_OTN_ZAP_METADATA, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_FEATURE_ENABLED_TXG, tx); + } + spa_feature_incr(spa, SPA_FEATURE_ENABLED_TXG, tx); + + VERIFY0(zap_add(spa->spa_meta_objset, + spa->spa_feat_enabled_txg_obj, feature->fi_guid, + sizeof (uint64_t), 1, &enabling_txg, tx)); + } +} + +static void +feature_do_action(spa_t *spa, spa_feature_t fid, feature_action_t action, + dmu_tx_t *tx) +{ + uint64_t refcount = 0; + zfeature_info_t *feature = &spa_feature_table[fid]; + ASSERTV(uint64_t zapobj = feature->fi_can_readonly ? + spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj); + + ASSERT(VALID_FEATURE_FID(fid)); + ASSERT(0 != zapobj); + ASSERT(zfeature_is_valid_guid(feature->fi_guid)); + + ASSERT(dmu_tx_is_syncing(tx)); + ASSERT3U(spa_version(spa), >=, SPA_VERSION_FEATURES); + + VERIFY3U(feature_get_refcount(spa, feature, &refcount), !=, ENOTSUP); + + switch (action) { + case FEATURE_ACTION_INCR: + VERIFY3U(refcount, !=, UINT64_MAX); + refcount++; + break; + case FEATURE_ACTION_DECR: + VERIFY3U(refcount, !=, 0); + refcount--; + break; + default: + ASSERT(0); + break; + } + + feature_sync(spa, feature, refcount, tx); +} + +void +spa_feature_create_zap_objects(spa_t *spa, dmu_tx_t *tx) +{ + /* + * We create feature flags ZAP objects in two instances: during pool + * creation and during pool upgrade. + */ + ASSERT(dsl_pool_sync_context(spa_get_dsl(spa)) || (!spa->spa_sync_on && + tx->tx_txg == TXG_INITIAL)); + + spa->spa_feat_for_read_obj = zap_create_link(spa->spa_meta_objset, + DMU_OTN_ZAP_METADATA, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_FEATURES_FOR_READ, tx); + spa->spa_feat_for_write_obj = zap_create_link(spa->spa_meta_objset, + DMU_OTN_ZAP_METADATA, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_FEATURES_FOR_WRITE, tx); + spa->spa_feat_desc_obj = zap_create_link(spa->spa_meta_objset, + DMU_OTN_ZAP_METADATA, DMU_POOL_DIRECTORY_OBJECT, + DMU_POOL_FEATURE_DESCRIPTIONS, tx); +} + +/* + * Enable any required dependencies, then enable the requested feature. + */ +void +spa_feature_enable(spa_t *spa, spa_feature_t fid, dmu_tx_t *tx) +{ + ASSERT3U(spa_version(spa), >=, SPA_VERSION_FEATURES); + ASSERT(VALID_FEATURE_FID(fid)); + feature_enable_sync(spa, &spa_feature_table[fid], tx); +} + +void +spa_feature_incr(spa_t *spa, spa_feature_t fid, dmu_tx_t *tx) +{ + feature_do_action(spa, fid, FEATURE_ACTION_INCR, tx); +} + +void +spa_feature_decr(spa_t *spa, spa_feature_t fid, dmu_tx_t *tx) +{ + feature_do_action(spa, fid, FEATURE_ACTION_DECR, tx); +} + +boolean_t +spa_feature_is_enabled(spa_t *spa, spa_feature_t fid) +{ + int err; + uint64_t refcount = 0; + + ASSERT(VALID_FEATURE_FID(fid)); + if (spa_version(spa) < SPA_VERSION_FEATURES) + return (B_FALSE); + + err = feature_get_refcount(spa, &spa_feature_table[fid], &refcount); + ASSERT(err == 0 || err == ENOTSUP); + return (err == 0); +} + +boolean_t +spa_feature_is_active(spa_t *spa, spa_feature_t fid) +{ + int err; + uint64_t refcount = 0; + + ASSERT(VALID_FEATURE_FID(fid)); + if (spa_version(spa) < SPA_VERSION_FEATURES) + return (B_FALSE); + + err = feature_get_refcount(spa, &spa_feature_table[fid], &refcount); + ASSERT(err == 0 || err == ENOTSUP); + return (err == 0 && refcount > 0); +} + +/* + * For the feature specified by fid (which must depend on + * SPA_FEATURE_ENABLED_TXG), return the TXG at which it was enabled in the + * OUT txg argument. + * + * Returns B_TRUE if the feature is enabled, in which case txg will be filled + * with the transaction group in which the specified feature was enabled. + * Returns B_FALSE otherwise (i.e. if the feature is not enabled). + */ +boolean_t +spa_feature_enabled_txg(spa_t *spa, spa_feature_t fid, uint64_t *txg) { + int err; + + ASSERT(VALID_FEATURE_FID(fid)); + if (spa_version(spa) < SPA_VERSION_FEATURES) + return (B_FALSE); + + err = feature_get_enabled_txg(spa, &spa_feature_table[fid], txg); + ASSERT(err == 0 || err == ENOTSUP); + + return (err == 0); +} diff --git a/zfs/module/zfs/zfeature_common.c b/zfs/module/zfs/zfeature_common.c new file mode 100644 index 000000000000..609a72ab301a --- /dev/null +++ b/zfs/module/zfs/zfeature_common.c @@ -0,0 +1,245 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2014, Nexenta Systems, Inc. All rights reserved. + */ + +#ifdef _KERNEL +#include +#else +#include +#include +#endif +#include +#include +#include +#include +#include "zfeature_common.h" + +/* + * Set to disable all feature checks while opening pools, allowing pools with + * unsupported features to be opened. Set for testing only. + */ +boolean_t zfeature_checks_disable = B_FALSE; + +zfeature_info_t spa_feature_table[SPA_FEATURES]; + +/* + * Valid characters for feature guids. This list is mainly for aesthetic + * purposes and could be expanded in the future. There are different allowed + * characters in the guids reverse dns portion (before the colon) and its + * short name (after the colon). + */ +static int +valid_char(char c, boolean_t after_colon) +{ + return ((c >= 'a' && c <= 'z') || + (c >= '0' && c <= '9') || + (after_colon && c == '_') || + (!after_colon && (c == '.' || c == '-'))); +} + +/* + * Every feature guid must contain exactly one colon which separates a reverse + * dns organization name from the feature's "short" name (e.g. + * "com.company:feature_name"). + */ +boolean_t +zfeature_is_valid_guid(const char *name) +{ + int i; + boolean_t has_colon = B_FALSE; + + i = 0; + while (name[i] != '\0') { + char c = name[i++]; + if (c == ':') { + if (has_colon) + return (B_FALSE); + has_colon = B_TRUE; + continue; + } + if (!valid_char(c, has_colon)) + return (B_FALSE); + } + + return (has_colon); +} + +boolean_t +zfeature_is_supported(const char *guid) +{ + spa_feature_t i; + + if (zfeature_checks_disable) + return (B_TRUE); + + for (i = 0; i < SPA_FEATURES; i++) { + zfeature_info_t *feature = &spa_feature_table[i]; + if (strcmp(guid, feature->fi_guid) == 0) + return (B_TRUE); + } + + return (B_FALSE); +} + +int +zfeature_lookup_name(const char *name, spa_feature_t *res) +{ + spa_feature_t i; + + for (i = 0; i < SPA_FEATURES; i++) { + zfeature_info_t *feature = &spa_feature_table[i]; + if (strcmp(name, feature->fi_uname) == 0) { + if (res != NULL) + *res = i; + return (0); + } + } + + return (ENOENT); +} + +boolean_t +zfeature_depends_on(spa_feature_t fid, spa_feature_t check) { + zfeature_info_t *feature = &spa_feature_table[fid]; + int i; + + for (i = 0; feature->fi_depends[i] != SPA_FEATURE_NONE; i++) { + if (feature->fi_depends[i] == check) + return (B_TRUE); + } + return (B_FALSE); +} + +static void +zfeature_register(spa_feature_t fid, const char *guid, const char *name, + const char *desc, boolean_t readonly, boolean_t mos, + boolean_t activate_on_enable, const spa_feature_t *deps) +{ + zfeature_info_t *feature = &spa_feature_table[fid]; + static spa_feature_t nodeps[] = { SPA_FEATURE_NONE }; + + ASSERT(name != NULL); + ASSERT(desc != NULL); + ASSERT(!readonly || !mos); + ASSERT3U(fid, <, SPA_FEATURES); + ASSERT(zfeature_is_valid_guid(guid)); + + if (deps == NULL) + deps = nodeps; + + feature->fi_feature = fid; + feature->fi_guid = guid; + feature->fi_uname = name; + feature->fi_desc = desc; + feature->fi_can_readonly = readonly; + feature->fi_mos = mos; + feature->fi_activate_on_enable = activate_on_enable; + feature->fi_depends = deps; +} + +void +zpool_feature_init(void) +{ + zfeature_register(SPA_FEATURE_ASYNC_DESTROY, + "com.delphix:async_destroy", "async_destroy", + "Destroy filesystems asynchronously.", B_TRUE, B_FALSE, + B_FALSE, NULL); + + zfeature_register(SPA_FEATURE_EMPTY_BPOBJ, + "com.delphix:empty_bpobj", "empty_bpobj", + "Snapshots use less space.", B_TRUE, B_FALSE, + B_FALSE, NULL); + + zfeature_register(SPA_FEATURE_LZ4_COMPRESS, + "org.illumos:lz4_compress", "lz4_compress", + "LZ4 compression algorithm support.", B_FALSE, B_FALSE, + B_TRUE, NULL); + + zfeature_register(SPA_FEATURE_SPACEMAP_HISTOGRAM, + "com.delphix:spacemap_histogram", "spacemap_histogram", + "Spacemaps maintain space histograms.", B_TRUE, B_FALSE, + B_FALSE, NULL); + + zfeature_register(SPA_FEATURE_ENABLED_TXG, + "com.delphix:enabled_txg", "enabled_txg", + "Record txg at which a feature is enabled", B_TRUE, B_FALSE, + B_FALSE, NULL); + + { + static const spa_feature_t hole_birth_deps[] = { + SPA_FEATURE_ENABLED_TXG, + SPA_FEATURE_NONE + }; + zfeature_register(SPA_FEATURE_HOLE_BIRTH, + "com.delphix:hole_birth", "hole_birth", + "Retain hole birth txg for more precise zfs send", + B_FALSE, B_TRUE, B_TRUE, hole_birth_deps); + } + + zfeature_register(SPA_FEATURE_EXTENSIBLE_DATASET, + "com.delphix:extensible_dataset", "extensible_dataset", + "Enhanced dataset functionality, used by other features.", + B_FALSE, B_FALSE, B_FALSE, NULL); + + { + static const spa_feature_t bookmarks_deps[] = { + SPA_FEATURE_EXTENSIBLE_DATASET, + SPA_FEATURE_NONE + }; + + zfeature_register(SPA_FEATURE_BOOKMARKS, + "com.delphix:bookmarks", "bookmarks", + "\"zfs bookmark\" command", + B_TRUE, B_FALSE, B_FALSE, bookmarks_deps); + } + + { + static const spa_feature_t filesystem_limits_deps[] = { + SPA_FEATURE_EXTENSIBLE_DATASET, + SPA_FEATURE_NONE + }; + zfeature_register(SPA_FEATURE_FS_SS_LIMIT, + "com.joyent:filesystem_limits", "filesystem_limits", + "Filesystem and snapshot limits.", B_TRUE, B_FALSE, B_FALSE, + filesystem_limits_deps); + } + + zfeature_register(SPA_FEATURE_EMBEDDED_DATA, + "com.delphix:embedded_data", "embedded_data", + "Blocks which compress very well use even less space.", + B_FALSE, B_TRUE, B_TRUE, NULL); + + { + static const spa_feature_t large_blocks_deps[] = { + SPA_FEATURE_EXTENSIBLE_DATASET, + SPA_FEATURE_NONE + }; + zfeature_register(SPA_FEATURE_LARGE_BLOCKS, + "org.open-zfs:large_blocks", "large_blocks", + "Support for blocks larger than 128KB.", B_FALSE, B_FALSE, B_FALSE, + large_blocks_deps); + } +} diff --git a/zfs/module/zfs/zfs_acl.c b/zfs/module/zfs/zfs_acl.c new file mode 100644 index 000000000000..ea8c16ed4f9b --- /dev/null +++ b/zfs/module/zfs/zfs_acl.c @@ -0,0 +1,2817 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "fs/fs_subr.h" + +#define ALLOW ACE_ACCESS_ALLOWED_ACE_TYPE +#define DENY ACE_ACCESS_DENIED_ACE_TYPE +#define MAX_ACE_TYPE ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE +#define MIN_ACE_TYPE ALLOW + +#define OWNING_GROUP (ACE_GROUP|ACE_IDENTIFIER_GROUP) +#define EVERYONE_ALLOW_MASK (ACE_READ_ACL|ACE_READ_ATTRIBUTES | \ + ACE_READ_NAMED_ATTRS|ACE_SYNCHRONIZE) +#define EVERYONE_DENY_MASK (ACE_WRITE_ACL|ACE_WRITE_OWNER | \ + ACE_WRITE_ATTRIBUTES|ACE_WRITE_NAMED_ATTRS) +#define OWNER_ALLOW_MASK (ACE_WRITE_ACL | ACE_WRITE_OWNER | \ + ACE_WRITE_ATTRIBUTES|ACE_WRITE_NAMED_ATTRS) + +#define ZFS_CHECKED_MASKS (ACE_READ_ACL|ACE_READ_ATTRIBUTES|ACE_READ_DATA| \ + ACE_READ_NAMED_ATTRS|ACE_WRITE_DATA|ACE_WRITE_ATTRIBUTES| \ + ACE_WRITE_NAMED_ATTRS|ACE_APPEND_DATA|ACE_EXECUTE|ACE_WRITE_OWNER| \ + ACE_WRITE_ACL|ACE_DELETE|ACE_DELETE_CHILD|ACE_SYNCHRONIZE) + +#define WRITE_MASK_DATA (ACE_WRITE_DATA|ACE_APPEND_DATA|ACE_WRITE_NAMED_ATTRS) +#define WRITE_MASK_ATTRS (ACE_WRITE_ACL|ACE_WRITE_OWNER|ACE_WRITE_ATTRIBUTES| \ + ACE_DELETE|ACE_DELETE_CHILD) +#define WRITE_MASK (WRITE_MASK_DATA|WRITE_MASK_ATTRS) + +#define OGE_CLEAR (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \ + ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_EXECUTE) + +#define OKAY_MASK_BITS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \ + ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_EXECUTE) + +#define ALL_INHERIT (ACE_FILE_INHERIT_ACE|ACE_DIRECTORY_INHERIT_ACE | \ + ACE_NO_PROPAGATE_INHERIT_ACE|ACE_INHERIT_ONLY_ACE|ACE_INHERITED_ACE) + +#define RESTRICTED_CLEAR (ACE_WRITE_ACL|ACE_WRITE_OWNER) + +#define V4_ACL_WIDE_FLAGS (ZFS_ACL_AUTO_INHERIT|ZFS_ACL_DEFAULTED|\ + ZFS_ACL_PROTECTED) + +#define ZFS_ACL_WIDE_FLAGS (V4_ACL_WIDE_FLAGS|ZFS_ACL_TRIVIAL|ZFS_INHERIT_ACE|\ + ZFS_ACL_OBJ_ACE) + +#define ALL_MODE_EXECS (S_IXUSR | S_IXGRP | S_IXOTH) + +static uint16_t +zfs_ace_v0_get_type(void *acep) +{ + return (((zfs_oldace_t *)acep)->z_type); +} + +static uint16_t +zfs_ace_v0_get_flags(void *acep) +{ + return (((zfs_oldace_t *)acep)->z_flags); +} + +static uint32_t +zfs_ace_v0_get_mask(void *acep) +{ + return (((zfs_oldace_t *)acep)->z_access_mask); +} + +static uint64_t +zfs_ace_v0_get_who(void *acep) +{ + return (((zfs_oldace_t *)acep)->z_fuid); +} + +static void +zfs_ace_v0_set_type(void *acep, uint16_t type) +{ + ((zfs_oldace_t *)acep)->z_type = type; +} + +static void +zfs_ace_v0_set_flags(void *acep, uint16_t flags) +{ + ((zfs_oldace_t *)acep)->z_flags = flags; +} + +static void +zfs_ace_v0_set_mask(void *acep, uint32_t mask) +{ + ((zfs_oldace_t *)acep)->z_access_mask = mask; +} + +static void +zfs_ace_v0_set_who(void *acep, uint64_t who) +{ + ((zfs_oldace_t *)acep)->z_fuid = who; +} + +/*ARGSUSED*/ +static size_t +zfs_ace_v0_size(void *acep) +{ + return (sizeof (zfs_oldace_t)); +} + +static size_t +zfs_ace_v0_abstract_size(void) +{ + return (sizeof (zfs_oldace_t)); +} + +static int +zfs_ace_v0_mask_off(void) +{ + return (offsetof(zfs_oldace_t, z_access_mask)); +} + +/*ARGSUSED*/ +static int +zfs_ace_v0_data(void *acep, void **datap) +{ + *datap = NULL; + return (0); +} + +static acl_ops_t zfs_acl_v0_ops = { + zfs_ace_v0_get_mask, + zfs_ace_v0_set_mask, + zfs_ace_v0_get_flags, + zfs_ace_v0_set_flags, + zfs_ace_v0_get_type, + zfs_ace_v0_set_type, + zfs_ace_v0_get_who, + zfs_ace_v0_set_who, + zfs_ace_v0_size, + zfs_ace_v0_abstract_size, + zfs_ace_v0_mask_off, + zfs_ace_v0_data +}; + +static uint16_t +zfs_ace_fuid_get_type(void *acep) +{ + return (((zfs_ace_hdr_t *)acep)->z_type); +} + +static uint16_t +zfs_ace_fuid_get_flags(void *acep) +{ + return (((zfs_ace_hdr_t *)acep)->z_flags); +} + +static uint32_t +zfs_ace_fuid_get_mask(void *acep) +{ + return (((zfs_ace_hdr_t *)acep)->z_access_mask); +} + +static uint64_t +zfs_ace_fuid_get_who(void *args) +{ + uint16_t entry_type; + zfs_ace_t *acep = args; + + entry_type = acep->z_hdr.z_flags & ACE_TYPE_FLAGS; + + if (entry_type == ACE_OWNER || entry_type == OWNING_GROUP || + entry_type == ACE_EVERYONE) + return (-1); + return (((zfs_ace_t *)acep)->z_fuid); +} + +static void +zfs_ace_fuid_set_type(void *acep, uint16_t type) +{ + ((zfs_ace_hdr_t *)acep)->z_type = type; +} + +static void +zfs_ace_fuid_set_flags(void *acep, uint16_t flags) +{ + ((zfs_ace_hdr_t *)acep)->z_flags = flags; +} + +static void +zfs_ace_fuid_set_mask(void *acep, uint32_t mask) +{ + ((zfs_ace_hdr_t *)acep)->z_access_mask = mask; +} + +static void +zfs_ace_fuid_set_who(void *arg, uint64_t who) +{ + zfs_ace_t *acep = arg; + + uint16_t entry_type = acep->z_hdr.z_flags & ACE_TYPE_FLAGS; + + if (entry_type == ACE_OWNER || entry_type == OWNING_GROUP || + entry_type == ACE_EVERYONE) + return; + acep->z_fuid = who; +} + +static size_t +zfs_ace_fuid_size(void *acep) +{ + zfs_ace_hdr_t *zacep = acep; + uint16_t entry_type; + + switch (zacep->z_type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + return (sizeof (zfs_object_ace_t)); + case ALLOW: + case DENY: + entry_type = + (((zfs_ace_hdr_t *)acep)->z_flags & ACE_TYPE_FLAGS); + if (entry_type == ACE_OWNER || + entry_type == OWNING_GROUP || + entry_type == ACE_EVERYONE) + return (sizeof (zfs_ace_hdr_t)); + /*FALLTHROUGH*/ + default: + return (sizeof (zfs_ace_t)); + } +} + +static size_t +zfs_ace_fuid_abstract_size(void) +{ + return (sizeof (zfs_ace_hdr_t)); +} + +static int +zfs_ace_fuid_mask_off(void) +{ + return (offsetof(zfs_ace_hdr_t, z_access_mask)); +} + +static int +zfs_ace_fuid_data(void *acep, void **datap) +{ + zfs_ace_t *zacep = acep; + zfs_object_ace_t *zobjp; + + switch (zacep->z_hdr.z_type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + zobjp = acep; + *datap = (caddr_t)zobjp + sizeof (zfs_ace_t); + return (sizeof (zfs_object_ace_t) - sizeof (zfs_ace_t)); + default: + *datap = NULL; + return (0); + } +} + +static acl_ops_t zfs_acl_fuid_ops = { + zfs_ace_fuid_get_mask, + zfs_ace_fuid_set_mask, + zfs_ace_fuid_get_flags, + zfs_ace_fuid_set_flags, + zfs_ace_fuid_get_type, + zfs_ace_fuid_set_type, + zfs_ace_fuid_get_who, + zfs_ace_fuid_set_who, + zfs_ace_fuid_size, + zfs_ace_fuid_abstract_size, + zfs_ace_fuid_mask_off, + zfs_ace_fuid_data +}; + +/* + * The following three functions are provided for compatibility with + * older ZPL version in order to determine if the file use to have + * an external ACL and what version of ACL previously existed on the + * file. Would really be nice to not need this, sigh. + */ +uint64_t +zfs_external_acl(znode_t *zp) +{ + zfs_acl_phys_t acl_phys; + int error; + + if (zp->z_is_sa) + return (0); + + /* + * Need to deal with a potential + * race where zfs_sa_upgrade could cause + * z_isa_sa to change. + * + * If the lookup fails then the state of z_is_sa should have + * changed. + */ + + if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_ZNODE_ACL(ZTOZSB(zp)), + &acl_phys, sizeof (acl_phys))) == 0) + return (acl_phys.z_acl_extern_obj); + else { + /* + * after upgrade the SA_ZPL_ZNODE_ACL should have been + * removed + */ + VERIFY(zp->z_is_sa && error == ENOENT); + return (0); + } +} + +/* + * Determine size of ACL in bytes + * + * This is more complicated than it should be since we have to deal + * with old external ACLs. + */ +static int +zfs_acl_znode_info(znode_t *zp, int *aclsize, int *aclcount, + zfs_acl_phys_t *aclphys) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + uint64_t acl_count; + int size; + int error; + + ASSERT(MUTEX_HELD(&zp->z_acl_lock)); + if (zp->z_is_sa) { + if ((error = sa_size(zp->z_sa_hdl, SA_ZPL_DACL_ACES(zsb), + &size)) != 0) + return (error); + *aclsize = size; + if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_DACL_COUNT(zsb), + &acl_count, sizeof (acl_count))) != 0) + return (error); + *aclcount = acl_count; + } else { + if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_ZNODE_ACL(zsb), + aclphys, sizeof (*aclphys))) != 0) + return (error); + + if (aclphys->z_acl_version == ZFS_ACL_VERSION_INITIAL) { + *aclsize = ZFS_ACL_SIZE(aclphys->z_acl_size); + *aclcount = aclphys->z_acl_size; + } else { + *aclsize = aclphys->z_acl_size; + *aclcount = aclphys->z_acl_count; + } + } + return (0); +} + +int +zfs_znode_acl_version(znode_t *zp) +{ + zfs_acl_phys_t acl_phys; + + if (zp->z_is_sa) + return (ZFS_ACL_VERSION_FUID); + else { + int error; + + /* + * Need to deal with a potential + * race where zfs_sa_upgrade could cause + * z_isa_sa to change. + * + * If the lookup fails then the state of z_is_sa should have + * changed. + */ + if ((error = sa_lookup(zp->z_sa_hdl, + SA_ZPL_ZNODE_ACL(ZTOZSB(zp)), + &acl_phys, sizeof (acl_phys))) == 0) + return (acl_phys.z_acl_version); + else { + /* + * After upgrade SA_ZPL_ZNODE_ACL should have + * been removed. + */ + VERIFY(zp->z_is_sa && error == ENOENT); + return (ZFS_ACL_VERSION_FUID); + } + } +} + +static int +zfs_acl_version(int version) +{ + if (version < ZPL_VERSION_FUID) + return (ZFS_ACL_VERSION_INITIAL); + else + return (ZFS_ACL_VERSION_FUID); +} + +static int +zfs_acl_version_zp(znode_t *zp) +{ + return (zfs_acl_version(ZTOZSB(zp)->z_version)); +} + +zfs_acl_t * +zfs_acl_alloc(int vers) +{ + zfs_acl_t *aclp; + + aclp = kmem_zalloc(sizeof (zfs_acl_t), KM_SLEEP); + list_create(&aclp->z_acl, sizeof (zfs_acl_node_t), + offsetof(zfs_acl_node_t, z_next)); + aclp->z_version = vers; + if (vers == ZFS_ACL_VERSION_FUID) + aclp->z_ops = &zfs_acl_fuid_ops; + else + aclp->z_ops = &zfs_acl_v0_ops; + return (aclp); +} + +zfs_acl_node_t * +zfs_acl_node_alloc(size_t bytes) +{ + zfs_acl_node_t *aclnode; + + aclnode = kmem_zalloc(sizeof (zfs_acl_node_t), KM_SLEEP); + if (bytes) { + aclnode->z_acldata = kmem_alloc(bytes, KM_SLEEP); + aclnode->z_allocdata = aclnode->z_acldata; + aclnode->z_allocsize = bytes; + aclnode->z_size = bytes; + } + + return (aclnode); +} + +static void +zfs_acl_node_free(zfs_acl_node_t *aclnode) +{ + if (aclnode->z_allocsize) + kmem_free(aclnode->z_allocdata, aclnode->z_allocsize); + kmem_free(aclnode, sizeof (zfs_acl_node_t)); +} + +static void +zfs_acl_release_nodes(zfs_acl_t *aclp) +{ + zfs_acl_node_t *aclnode; + + while ((aclnode = list_head(&aclp->z_acl))) { + list_remove(&aclp->z_acl, aclnode); + zfs_acl_node_free(aclnode); + } + aclp->z_acl_count = 0; + aclp->z_acl_bytes = 0; +} + +void +zfs_acl_free(zfs_acl_t *aclp) +{ + zfs_acl_release_nodes(aclp); + list_destroy(&aclp->z_acl); + kmem_free(aclp, sizeof (zfs_acl_t)); +} + +static boolean_t +zfs_acl_valid_ace_type(uint_t type, uint_t flags) +{ + uint16_t entry_type; + + switch (type) { + case ALLOW: + case DENY: + case ACE_SYSTEM_AUDIT_ACE_TYPE: + case ACE_SYSTEM_ALARM_ACE_TYPE: + entry_type = flags & ACE_TYPE_FLAGS; + return (entry_type == ACE_OWNER || + entry_type == OWNING_GROUP || + entry_type == ACE_EVERYONE || entry_type == 0 || + entry_type == ACE_IDENTIFIER_GROUP); + default: + if (type >= MIN_ACE_TYPE && type <= MAX_ACE_TYPE) + return (B_TRUE); + } + return (B_FALSE); +} + +static boolean_t +zfs_ace_valid(umode_t obj_mode, zfs_acl_t *aclp, uint16_t type, uint16_t iflags) +{ + /* + * first check type of entry + */ + + if (!zfs_acl_valid_ace_type(type, iflags)) + return (B_FALSE); + + switch (type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + if (aclp->z_version < ZFS_ACL_VERSION_FUID) + return (B_FALSE); + aclp->z_hints |= ZFS_ACL_OBJ_ACE; + } + + /* + * next check inheritance level flags + */ + + if (S_ISDIR(obj_mode) && + (iflags & (ACE_FILE_INHERIT_ACE|ACE_DIRECTORY_INHERIT_ACE))) + aclp->z_hints |= ZFS_INHERIT_ACE; + + if (iflags & (ACE_INHERIT_ONLY_ACE|ACE_NO_PROPAGATE_INHERIT_ACE)) { + if ((iflags & (ACE_FILE_INHERIT_ACE| + ACE_DIRECTORY_INHERIT_ACE)) == 0) { + return (B_FALSE); + } + } + + return (B_TRUE); +} + +static void * +zfs_acl_next_ace(zfs_acl_t *aclp, void *start, uint64_t *who, + uint32_t *access_mask, uint16_t *iflags, uint16_t *type) +{ + zfs_acl_node_t *aclnode; + + ASSERT(aclp); + + if (start == NULL) { + aclnode = list_head(&aclp->z_acl); + if (aclnode == NULL) + return (NULL); + + aclp->z_next_ace = aclnode->z_acldata; + aclp->z_curr_node = aclnode; + aclnode->z_ace_idx = 0; + } + + aclnode = aclp->z_curr_node; + + if (aclnode == NULL) + return (NULL); + + if (aclnode->z_ace_idx >= aclnode->z_ace_count) { + aclnode = list_next(&aclp->z_acl, aclnode); + if (aclnode == NULL) + return (NULL); + else { + aclp->z_curr_node = aclnode; + aclnode->z_ace_idx = 0; + aclp->z_next_ace = aclnode->z_acldata; + } + } + + if (aclnode->z_ace_idx < aclnode->z_ace_count) { + void *acep = aclp->z_next_ace; + size_t ace_size; + + /* + * Make sure we don't overstep our bounds + */ + ace_size = aclp->z_ops->ace_size(acep); + + if (((caddr_t)acep + ace_size) > + ((caddr_t)aclnode->z_acldata + aclnode->z_size)) { + return (NULL); + } + + *iflags = aclp->z_ops->ace_flags_get(acep); + *type = aclp->z_ops->ace_type_get(acep); + *access_mask = aclp->z_ops->ace_mask_get(acep); + *who = aclp->z_ops->ace_who_get(acep); + aclp->z_next_ace = (caddr_t)aclp->z_next_ace + ace_size; + aclnode->z_ace_idx++; + + return ((void *)acep); + } + return (NULL); +} + +/*ARGSUSED*/ +static uint64_t +zfs_ace_walk(void *datap, uint64_t cookie, int aclcnt, + uint16_t *flags, uint16_t *type, uint32_t *mask) +{ + zfs_acl_t *aclp = datap; + zfs_ace_hdr_t *acep = (zfs_ace_hdr_t *)(uintptr_t)cookie; + uint64_t who; + + acep = zfs_acl_next_ace(aclp, acep, &who, mask, + flags, type); + return ((uint64_t)(uintptr_t)acep); +} + +/* + * Copy ACE to internal ZFS format. + * While processing the ACL each ACE will be validated for correctness. + * ACE FUIDs will be created later. + */ +int +zfs_copy_ace_2_fuid(zfs_sb_t *zsb, umode_t obj_mode, zfs_acl_t *aclp, + void *datap, zfs_ace_t *z_acl, uint64_t aclcnt, size_t *size, + zfs_fuid_info_t **fuidp, cred_t *cr) +{ + int i; + uint16_t entry_type; + zfs_ace_t *aceptr = z_acl; + ace_t *acep = datap; + zfs_object_ace_t *zobjacep; + ace_object_t *aceobjp; + + for (i = 0; i != aclcnt; i++) { + aceptr->z_hdr.z_access_mask = acep->a_access_mask; + aceptr->z_hdr.z_flags = acep->a_flags; + aceptr->z_hdr.z_type = acep->a_type; + entry_type = aceptr->z_hdr.z_flags & ACE_TYPE_FLAGS; + if (entry_type != ACE_OWNER && entry_type != OWNING_GROUP && + entry_type != ACE_EVERYONE) { + aceptr->z_fuid = zfs_fuid_create(zsb, acep->a_who, + cr, (entry_type == 0) ? + ZFS_ACE_USER : ZFS_ACE_GROUP, fuidp); + } + + /* + * Make sure ACE is valid + */ + if (zfs_ace_valid(obj_mode, aclp, aceptr->z_hdr.z_type, + aceptr->z_hdr.z_flags) != B_TRUE) + return (SET_ERROR(EINVAL)); + + switch (acep->a_type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + zobjacep = (zfs_object_ace_t *)aceptr; + aceobjp = (ace_object_t *)acep; + + bcopy(aceobjp->a_obj_type, zobjacep->z_object_type, + sizeof (aceobjp->a_obj_type)); + bcopy(aceobjp->a_inherit_obj_type, + zobjacep->z_inherit_type, + sizeof (aceobjp->a_inherit_obj_type)); + acep = (ace_t *)((caddr_t)acep + sizeof (ace_object_t)); + break; + default: + acep = (ace_t *)((caddr_t)acep + sizeof (ace_t)); + } + + aceptr = (zfs_ace_t *)((caddr_t)aceptr + + aclp->z_ops->ace_size(aceptr)); + } + + *size = (caddr_t)aceptr - (caddr_t)z_acl; + + return (0); +} + +/* + * Copy ZFS ACEs to fixed size ace_t layout + */ +static void +zfs_copy_fuid_2_ace(zfs_sb_t *zsb, zfs_acl_t *aclp, cred_t *cr, + void *datap, int filter) +{ + uint64_t who; + uint32_t access_mask; + uint16_t iflags, type; + zfs_ace_hdr_t *zacep = NULL; + ace_t *acep = datap; + ace_object_t *objacep; + zfs_object_ace_t *zobjacep; + size_t ace_size; + uint16_t entry_type; + + while ((zacep = zfs_acl_next_ace(aclp, zacep, + &who, &access_mask, &iflags, &type))) { + + switch (type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + if (filter) { + continue; + } + zobjacep = (zfs_object_ace_t *)zacep; + objacep = (ace_object_t *)acep; + bcopy(zobjacep->z_object_type, + objacep->a_obj_type, + sizeof (zobjacep->z_object_type)); + bcopy(zobjacep->z_inherit_type, + objacep->a_inherit_obj_type, + sizeof (zobjacep->z_inherit_type)); + ace_size = sizeof (ace_object_t); + break; + default: + ace_size = sizeof (ace_t); + break; + } + + entry_type = (iflags & ACE_TYPE_FLAGS); + if ((entry_type != ACE_OWNER && + entry_type != OWNING_GROUP && + entry_type != ACE_EVERYONE)) { + acep->a_who = zfs_fuid_map_id(zsb, who, + cr, (entry_type & ACE_IDENTIFIER_GROUP) ? + ZFS_ACE_GROUP : ZFS_ACE_USER); + } else { + acep->a_who = (uid_t)(int64_t)who; + } + acep->a_access_mask = access_mask; + acep->a_flags = iflags; + acep->a_type = type; + acep = (ace_t *)((caddr_t)acep + ace_size); + } +} + +static int +zfs_copy_ace_2_oldace(umode_t obj_mode, zfs_acl_t *aclp, ace_t *acep, + zfs_oldace_t *z_acl, int aclcnt, size_t *size) +{ + int i; + zfs_oldace_t *aceptr = z_acl; + + for (i = 0; i != aclcnt; i++, aceptr++) { + aceptr->z_access_mask = acep[i].a_access_mask; + aceptr->z_type = acep[i].a_type; + aceptr->z_flags = acep[i].a_flags; + aceptr->z_fuid = acep[i].a_who; + /* + * Make sure ACE is valid + */ + if (zfs_ace_valid(obj_mode, aclp, aceptr->z_type, + aceptr->z_flags) != B_TRUE) + return (SET_ERROR(EINVAL)); + } + *size = (caddr_t)aceptr - (caddr_t)z_acl; + return (0); +} + +/* + * convert old ACL format to new + */ +void +zfs_acl_xform(znode_t *zp, zfs_acl_t *aclp, cred_t *cr) +{ + zfs_oldace_t *oldaclp; + int i; + uint16_t type, iflags; + uint32_t access_mask; + uint64_t who; + void *cookie = NULL; + zfs_acl_node_t *newaclnode; + + ASSERT(aclp->z_version == ZFS_ACL_VERSION_INITIAL); + /* + * First create the ACE in a contiguous piece of memory + * for zfs_copy_ace_2_fuid(). + * + * We only convert an ACL once, so this won't happen + * everytime. + */ + oldaclp = kmem_alloc(sizeof (zfs_oldace_t) * aclp->z_acl_count, + KM_SLEEP); + i = 0; + while ((cookie = zfs_acl_next_ace(aclp, cookie, &who, + &access_mask, &iflags, &type))) { + oldaclp[i].z_flags = iflags; + oldaclp[i].z_type = type; + oldaclp[i].z_fuid = who; + oldaclp[i++].z_access_mask = access_mask; + } + + newaclnode = zfs_acl_node_alloc(aclp->z_acl_count * + sizeof (zfs_object_ace_t)); + aclp->z_ops = &zfs_acl_fuid_ops; + VERIFY(zfs_copy_ace_2_fuid(ZTOZSB(zp), ZTOI(zp)->i_mode, + aclp, oldaclp, newaclnode->z_acldata, aclp->z_acl_count, + &newaclnode->z_size, NULL, cr) == 0); + newaclnode->z_ace_count = aclp->z_acl_count; + aclp->z_version = ZFS_ACL_VERSION; + kmem_free(oldaclp, aclp->z_acl_count * sizeof (zfs_oldace_t)); + + /* + * Release all previous ACL nodes + */ + + zfs_acl_release_nodes(aclp); + + list_insert_head(&aclp->z_acl, newaclnode); + + aclp->z_acl_bytes = newaclnode->z_size; + aclp->z_acl_count = newaclnode->z_ace_count; + +} + +/* + * Convert unix access mask to v4 access mask + */ +static uint32_t +zfs_unix_to_v4(uint32_t access_mask) +{ + uint32_t new_mask = 0; + + if (access_mask & S_IXOTH) + new_mask |= ACE_EXECUTE; + if (access_mask & S_IWOTH) + new_mask |= ACE_WRITE_DATA; + if (access_mask & S_IROTH) + new_mask |= ACE_READ_DATA; + return (new_mask); +} + +static void +zfs_set_ace(zfs_acl_t *aclp, void *acep, uint32_t access_mask, + uint16_t access_type, uint64_t fuid, uint16_t entry_type) +{ + uint16_t type = entry_type & ACE_TYPE_FLAGS; + + aclp->z_ops->ace_mask_set(acep, access_mask); + aclp->z_ops->ace_type_set(acep, access_type); + aclp->z_ops->ace_flags_set(acep, entry_type); + if ((type != ACE_OWNER && type != OWNING_GROUP && + type != ACE_EVERYONE)) + aclp->z_ops->ace_who_set(acep, fuid); +} + +/* + * Determine mode of file based on ACL. + * Also, create FUIDs for any User/Group ACEs + */ +uint64_t +zfs_mode_compute(uint64_t fmode, zfs_acl_t *aclp, + uint64_t *pflags, uint64_t fuid, uint64_t fgid) +{ + int entry_type; + mode_t mode; + mode_t seen = 0; + zfs_ace_hdr_t *acep = NULL; + uint64_t who; + uint16_t iflags, type; + uint32_t access_mask; + boolean_t an_exec_denied = B_FALSE; + + mode = (fmode & (S_IFMT | S_ISUID | S_ISGID | S_ISVTX)); + + while ((acep = zfs_acl_next_ace(aclp, acep, &who, + &access_mask, &iflags, &type))) { + + if (!zfs_acl_valid_ace_type(type, iflags)) + continue; + + entry_type = (iflags & ACE_TYPE_FLAGS); + + /* + * Skip over owner@, group@ or everyone@ inherit only ACEs + */ + if ((iflags & ACE_INHERIT_ONLY_ACE) && + (entry_type == ACE_OWNER || entry_type == ACE_EVERYONE || + entry_type == OWNING_GROUP)) + continue; + + if (entry_type == ACE_OWNER || (entry_type == 0 && + who == fuid)) { + if ((access_mask & ACE_READ_DATA) && + (!(seen & S_IRUSR))) { + seen |= S_IRUSR; + if (type == ALLOW) { + mode |= S_IRUSR; + } + } + if ((access_mask & ACE_WRITE_DATA) && + (!(seen & S_IWUSR))) { + seen |= S_IWUSR; + if (type == ALLOW) { + mode |= S_IWUSR; + } + } + if ((access_mask & ACE_EXECUTE) && + (!(seen & S_IXUSR))) { + seen |= S_IXUSR; + if (type == ALLOW) { + mode |= S_IXUSR; + } + } + } else if (entry_type == OWNING_GROUP || + (entry_type == ACE_IDENTIFIER_GROUP && who == fgid)) { + if ((access_mask & ACE_READ_DATA) && + (!(seen & S_IRGRP))) { + seen |= S_IRGRP; + if (type == ALLOW) { + mode |= S_IRGRP; + } + } + if ((access_mask & ACE_WRITE_DATA) && + (!(seen & S_IWGRP))) { + seen |= S_IWGRP; + if (type == ALLOW) { + mode |= S_IWGRP; + } + } + if ((access_mask & ACE_EXECUTE) && + (!(seen & S_IXGRP))) { + seen |= S_IXGRP; + if (type == ALLOW) { + mode |= S_IXGRP; + } + } + } else if (entry_type == ACE_EVERYONE) { + if ((access_mask & ACE_READ_DATA)) { + if (!(seen & S_IRUSR)) { + seen |= S_IRUSR; + if (type == ALLOW) { + mode |= S_IRUSR; + } + } + if (!(seen & S_IRGRP)) { + seen |= S_IRGRP; + if (type == ALLOW) { + mode |= S_IRGRP; + } + } + if (!(seen & S_IROTH)) { + seen |= S_IROTH; + if (type == ALLOW) { + mode |= S_IROTH; + } + } + } + if ((access_mask & ACE_WRITE_DATA)) { + if (!(seen & S_IWUSR)) { + seen |= S_IWUSR; + if (type == ALLOW) { + mode |= S_IWUSR; + } + } + if (!(seen & S_IWGRP)) { + seen |= S_IWGRP; + if (type == ALLOW) { + mode |= S_IWGRP; + } + } + if (!(seen & S_IWOTH)) { + seen |= S_IWOTH; + if (type == ALLOW) { + mode |= S_IWOTH; + } + } + } + if ((access_mask & ACE_EXECUTE)) { + if (!(seen & S_IXUSR)) { + seen |= S_IXUSR; + if (type == ALLOW) { + mode |= S_IXUSR; + } + } + if (!(seen & S_IXGRP)) { + seen |= S_IXGRP; + if (type == ALLOW) { + mode |= S_IXGRP; + } + } + if (!(seen & S_IXOTH)) { + seen |= S_IXOTH; + if (type == ALLOW) { + mode |= S_IXOTH; + } + } + } + } else { + /* + * Only care if this IDENTIFIER_GROUP or + * USER ACE denies execute access to someone, + * mode is not affected + */ + if ((access_mask & ACE_EXECUTE) && type == DENY) + an_exec_denied = B_TRUE; + } + } + + /* + * Failure to allow is effectively a deny, so execute permission + * is denied if it was never mentioned or if we explicitly + * weren't allowed it. + */ + if (!an_exec_denied && + ((seen & ALL_MODE_EXECS) != ALL_MODE_EXECS || + (mode & ALL_MODE_EXECS) != ALL_MODE_EXECS)) + an_exec_denied = B_TRUE; + + if (an_exec_denied) + *pflags &= ~ZFS_NO_EXECS_DENIED; + else + *pflags |= ZFS_NO_EXECS_DENIED; + + return (mode); +} + +/* + * Read an external acl object. If the intent is to modify, always + * create a new acl and leave any cached acl in place. + */ +static int +zfs_acl_node_read(znode_t *zp, boolean_t have_lock, zfs_acl_t **aclpp, + boolean_t will_modify) +{ + zfs_acl_t *aclp; + int aclsize = 0; + int acl_count = 0; + zfs_acl_node_t *aclnode; + zfs_acl_phys_t znode_acl; + int version; + int error; + boolean_t drop_lock = B_FALSE; + + ASSERT(MUTEX_HELD(&zp->z_acl_lock)); + + if (zp->z_acl_cached && !will_modify) { + *aclpp = zp->z_acl_cached; + return (0); + } + + /* + * close race where znode could be upgrade while trying to + * read the znode attributes. + * + * But this could only happen if the file isn't already an SA + * znode + */ + if (!zp->z_is_sa && !have_lock) { + mutex_enter(&zp->z_lock); + drop_lock = B_TRUE; + } + version = zfs_znode_acl_version(zp); + + if ((error = zfs_acl_znode_info(zp, &aclsize, + &acl_count, &znode_acl)) != 0) { + goto done; + } + + aclp = zfs_acl_alloc(version); + + aclp->z_acl_count = acl_count; + aclp->z_acl_bytes = aclsize; + + aclnode = zfs_acl_node_alloc(aclsize); + aclnode->z_ace_count = aclp->z_acl_count; + aclnode->z_size = aclsize; + + if (!zp->z_is_sa) { + if (znode_acl.z_acl_extern_obj) { + error = dmu_read(ZTOZSB(zp)->z_os, + znode_acl.z_acl_extern_obj, 0, aclnode->z_size, + aclnode->z_acldata, DMU_READ_PREFETCH); + } else { + bcopy(znode_acl.z_ace_data, aclnode->z_acldata, + aclnode->z_size); + } + } else { + error = sa_lookup(zp->z_sa_hdl, SA_ZPL_DACL_ACES(ZTOZSB(zp)), + aclnode->z_acldata, aclnode->z_size); + } + + if (error != 0) { + zfs_acl_free(aclp); + zfs_acl_node_free(aclnode); + /* convert checksum errors into IO errors */ + if (error == ECKSUM) + error = SET_ERROR(EIO); + goto done; + } + + list_insert_head(&aclp->z_acl, aclnode); + + *aclpp = aclp; + if (!will_modify) + zp->z_acl_cached = aclp; +done: + if (drop_lock) + mutex_exit(&zp->z_lock); + return (error); +} + +/*ARGSUSED*/ +void +zfs_acl_data_locator(void **dataptr, uint32_t *length, uint32_t buflen, + boolean_t start, void *userdata) +{ + zfs_acl_locator_cb_t *cb = (zfs_acl_locator_cb_t *)userdata; + + if (start) { + cb->cb_acl_node = list_head(&cb->cb_aclp->z_acl); + } else { + cb->cb_acl_node = list_next(&cb->cb_aclp->z_acl, + cb->cb_acl_node); + } + *dataptr = cb->cb_acl_node->z_acldata; + *length = cb->cb_acl_node->z_size; +} + +int +zfs_acl_chown_setattr(znode_t *zp) +{ + int error; + zfs_acl_t *aclp; + + if (ZTOZSB(zp)->z_acl_type == ZFS_ACLTYPE_POSIXACL) + return (0); + + ASSERT(MUTEX_HELD(&zp->z_lock)); + ASSERT(MUTEX_HELD(&zp->z_acl_lock)); + + error = zfs_acl_node_read(zp, B_TRUE, &aclp, B_FALSE); + if (error == 0 && aclp->z_acl_count > 0) + zp->z_mode = zfs_mode_compute(zp->z_mode, aclp, + &zp->z_pflags, zp->z_uid, zp->z_gid); + + /* + * Some ZFS implementations (ZEVO) create neither a ZNODE_ACL + * nor a DACL_ACES SA in which case ENOENT is returned from + * zfs_acl_node_read() when the SA can't be located. + * Allow chown/chgrp to succeed in these cases rather than + * returning an error that makes no sense in the context of + * the caller. + */ + if (error == ENOENT) + return (0); + + return (error); +} + +static void +acl_trivial_access_masks(mode_t mode, uint32_t *allow0, uint32_t *deny1, + uint32_t *deny2, uint32_t *owner, uint32_t *group, uint32_t *everyone) +{ + *deny1 = *deny2 = *allow0 = *group = 0; + + if (!(mode & S_IRUSR) && (mode & (S_IRGRP|S_IROTH))) + *deny1 |= ACE_READ_DATA; + if (!(mode & S_IWUSR) && (mode & (S_IWGRP|S_IWOTH))) + *deny1 |= ACE_WRITE_DATA; + if (!(mode & S_IXUSR) && (mode & (S_IXGRP|S_IXOTH))) + *deny1 |= ACE_EXECUTE; + + if (!(mode & S_IRGRP) && (mode & S_IROTH)) + *deny2 = ACE_READ_DATA; + if (!(mode & S_IWGRP) && (mode & S_IWOTH)) + *deny2 |= ACE_WRITE_DATA; + if (!(mode & S_IXGRP) && (mode & S_IXOTH)) + *deny2 |= ACE_EXECUTE; + + if ((mode & S_IRUSR) && (!(mode & S_IRGRP) && (mode & S_IROTH))) + *allow0 |= ACE_READ_DATA; + if ((mode & S_IWUSR) && (!(mode & S_IWGRP) && (mode & S_IWOTH))) + *allow0 |= ACE_WRITE_DATA; + if ((mode & S_IXUSR) && (!(mode & S_IXGRP) && (mode & S_IXOTH))) + *allow0 |= ACE_EXECUTE; + + *owner = ACE_WRITE_ATTRIBUTES|ACE_WRITE_OWNER|ACE_WRITE_ACL| + ACE_WRITE_NAMED_ATTRS|ACE_READ_ACL|ACE_READ_ATTRIBUTES| + ACE_READ_NAMED_ATTRS|ACE_SYNCHRONIZE; + if (mode & S_IRUSR) + *owner |= ACE_READ_DATA; + if (mode & S_IWUSR) + *owner |= ACE_WRITE_DATA|ACE_APPEND_DATA; + if (mode & S_IXUSR) + *owner |= ACE_EXECUTE; + + *group = ACE_READ_ACL|ACE_READ_ATTRIBUTES| ACE_READ_NAMED_ATTRS| + ACE_SYNCHRONIZE; + if (mode & S_IRGRP) + *group |= ACE_READ_DATA; + if (mode & S_IWGRP) + *group |= ACE_WRITE_DATA|ACE_APPEND_DATA; + if (mode & S_IXGRP) + *group |= ACE_EXECUTE; + + *everyone = ACE_READ_ACL|ACE_READ_ATTRIBUTES| ACE_READ_NAMED_ATTRS| + ACE_SYNCHRONIZE; + if (mode & S_IROTH) + *everyone |= ACE_READ_DATA; + if (mode & S_IWOTH) + *everyone |= ACE_WRITE_DATA|ACE_APPEND_DATA; + if (mode & S_IXOTH) + *everyone |= ACE_EXECUTE; +} + +/* + * ace_trivial: + * determine whether an ace_t acl is trivial + * + * Trivialness implies that the acl is composed of only + * owner, group, everyone entries. ACL can't + * have read_acl denied, and write_owner/write_acl/write_attributes + * can only be owner@ entry. + */ +static int +ace_trivial_common(void *acep, int aclcnt, + uint64_t (*walk)(void *, uint64_t, int aclcnt, + uint16_t *, uint16_t *, uint32_t *)) +{ + uint16_t flags; + uint32_t mask; + uint16_t type; + uint64_t cookie = 0; + + while ((cookie = walk(acep, cookie, aclcnt, &flags, &type, &mask))) { + switch (flags & ACE_TYPE_FLAGS) { + case ACE_OWNER: + case ACE_GROUP|ACE_IDENTIFIER_GROUP: + case ACE_EVERYONE: + break; + default: + return (1); + } + + if (flags & (ACE_FILE_INHERIT_ACE| + ACE_DIRECTORY_INHERIT_ACE|ACE_NO_PROPAGATE_INHERIT_ACE| + ACE_INHERIT_ONLY_ACE)) + return (1); + + /* + * Special check for some special bits + * + * Don't allow anybody to deny reading basic + * attributes or a files ACL. + */ + if ((mask & (ACE_READ_ACL|ACE_READ_ATTRIBUTES)) && + (type == ACE_ACCESS_DENIED_ACE_TYPE)) + return (1); + + /* + * Delete permissions are never set by default + */ + if (mask & (ACE_DELETE|ACE_DELETE_CHILD)) + return (1); + /* + * only allow owner@ to have + * write_acl/write_owner/write_attributes/write_xattr/ + */ + if (type == ACE_ACCESS_ALLOWED_ACE_TYPE && + (!(flags & ACE_OWNER) && (mask & + (ACE_WRITE_OWNER|ACE_WRITE_ACL| ACE_WRITE_ATTRIBUTES| + ACE_WRITE_NAMED_ATTRS)))) + return (1); + + } + + return (0); +} + +/* + * common code for setting ACLs. + * + * This function is called from zfs_mode_update, zfs_perm_init, and zfs_setacl. + * zfs_setacl passes a non-NULL inherit pointer (ihp) to indicate that it's + * already checked the acl and knows whether to inherit. + */ +int +zfs_aclset_common(znode_t *zp, zfs_acl_t *aclp, cred_t *cr, dmu_tx_t *tx) +{ + int error; + zfs_sb_t *zsb = ZTOZSB(zp); + dmu_object_type_t otype; + zfs_acl_locator_cb_t locate = { 0 }; + uint64_t mode; + sa_bulk_attr_t bulk[5]; + uint64_t ctime[2]; + int count = 0; + + mode = zp->z_mode; + + mode = zfs_mode_compute(mode, aclp, &zp->z_pflags, + zp->z_uid, zp->z_gid); + + zp->z_mode = mode; + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zsb), NULL, + &mode, sizeof (mode)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, + &zp->z_pflags, sizeof (zp->z_pflags)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, + &ctime, sizeof (ctime)); + + if (zp->z_acl_cached) { + zfs_acl_free(zp->z_acl_cached); + zp->z_acl_cached = NULL; + } + + /* + * Upgrade needed? + */ + if (!zsb->z_use_fuids) { + otype = DMU_OT_OLDACL; + } else { + if ((aclp->z_version == ZFS_ACL_VERSION_INITIAL) && + (zsb->z_version >= ZPL_VERSION_FUID)) + zfs_acl_xform(zp, aclp, cr); + ASSERT(aclp->z_version >= ZFS_ACL_VERSION_FUID); + otype = DMU_OT_ACL; + } + + /* + * Arrgh, we have to handle old on disk format + * as well as newer (preferred) SA format. + */ + + if (zp->z_is_sa) { /* the easy case, just update the ACL attribute */ + locate.cb_aclp = aclp; + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_DACL_ACES(zsb), + zfs_acl_data_locator, &locate, aclp->z_acl_bytes); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_DACL_COUNT(zsb), + NULL, &aclp->z_acl_count, sizeof (uint64_t)); + } else { /* Painful legacy way */ + zfs_acl_node_t *aclnode; + uint64_t off = 0; + zfs_acl_phys_t acl_phys; + uint64_t aoid; + + if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_ZNODE_ACL(zsb), + &acl_phys, sizeof (acl_phys))) != 0) + return (error); + + aoid = acl_phys.z_acl_extern_obj; + + if (aclp->z_acl_bytes > ZFS_ACE_SPACE) { + /* + * If ACL was previously external and we are now + * converting to new ACL format then release old + * ACL object and create a new one. + */ + if (aoid && + aclp->z_version != acl_phys.z_acl_version) { + error = dmu_object_free(zsb->z_os, aoid, tx); + if (error) + return (error); + aoid = 0; + } + if (aoid == 0) { + aoid = dmu_object_alloc(zsb->z_os, + otype, aclp->z_acl_bytes, + otype == DMU_OT_ACL ? + DMU_OT_SYSACL : DMU_OT_NONE, + otype == DMU_OT_ACL ? + DN_MAX_BONUSLEN : 0, tx); + } else { + (void) dmu_object_set_blocksize(zsb->z_os, + aoid, aclp->z_acl_bytes, 0, tx); + } + acl_phys.z_acl_extern_obj = aoid; + for (aclnode = list_head(&aclp->z_acl); aclnode; + aclnode = list_next(&aclp->z_acl, aclnode)) { + if (aclnode->z_ace_count == 0) + continue; + dmu_write(zsb->z_os, aoid, off, + aclnode->z_size, aclnode->z_acldata, tx); + off += aclnode->z_size; + } + } else { + void *start = acl_phys.z_ace_data; + /* + * Migrating back embedded? + */ + if (acl_phys.z_acl_extern_obj) { + error = dmu_object_free(zsb->z_os, + acl_phys.z_acl_extern_obj, tx); + if (error) + return (error); + acl_phys.z_acl_extern_obj = 0; + } + + for (aclnode = list_head(&aclp->z_acl); aclnode; + aclnode = list_next(&aclp->z_acl, aclnode)) { + if (aclnode->z_ace_count == 0) + continue; + bcopy(aclnode->z_acldata, start, + aclnode->z_size); + start = (caddr_t)start + aclnode->z_size; + } + } + /* + * If Old version then swap count/bytes to match old + * layout of znode_acl_phys_t. + */ + if (aclp->z_version == ZFS_ACL_VERSION_INITIAL) { + acl_phys.z_acl_size = aclp->z_acl_count; + acl_phys.z_acl_count = aclp->z_acl_bytes; + } else { + acl_phys.z_acl_size = aclp->z_acl_bytes; + acl_phys.z_acl_count = aclp->z_acl_count; + } + acl_phys.z_acl_version = aclp->z_version; + + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ZNODE_ACL(zsb), NULL, + &acl_phys, sizeof (acl_phys)); + } + + /* + * Replace ACL wide bits, but first clear them. + */ + zp->z_pflags &= ~ZFS_ACL_WIDE_FLAGS; + + zp->z_pflags |= aclp->z_hints; + + if (ace_trivial_common(aclp, 0, zfs_ace_walk) == 0) + zp->z_pflags |= ZFS_ACL_TRIVIAL; + + zfs_tstamp_update_setup(zp, STATE_CHANGED, NULL, ctime); + return (sa_bulk_update(zp->z_sa_hdl, bulk, count, tx)); +} + +static void +zfs_acl_chmod(zfs_sb_t *zsb, uint64_t mode, zfs_acl_t *aclp) +{ + void *acep = NULL; + uint64_t who; + int new_count, new_bytes; + int ace_size; + int entry_type; + uint16_t iflags, type; + uint32_t access_mask; + zfs_acl_node_t *newnode; + size_t abstract_size = aclp->z_ops->ace_abstract_size(); + void *zacep; + uint32_t owner, group, everyone; + uint32_t deny1, deny2, allow0; + + new_count = new_bytes = 0; + + acl_trivial_access_masks((mode_t)mode, &allow0, &deny1, &deny2, + &owner, &group, &everyone); + + newnode = zfs_acl_node_alloc((abstract_size * 6) + aclp->z_acl_bytes); + + zacep = newnode->z_acldata; + if (allow0) { + zfs_set_ace(aclp, zacep, allow0, ALLOW, -1, ACE_OWNER); + zacep = (void *)((uintptr_t)zacep + abstract_size); + new_count++; + new_bytes += abstract_size; + } + if (deny1) { + zfs_set_ace(aclp, zacep, deny1, DENY, -1, ACE_OWNER); + zacep = (void *)((uintptr_t)zacep + abstract_size); + new_count++; + new_bytes += abstract_size; + } + if (deny2) { + zfs_set_ace(aclp, zacep, deny2, DENY, -1, OWNING_GROUP); + zacep = (void *)((uintptr_t)zacep + abstract_size); + new_count++; + new_bytes += abstract_size; + } + + while ((acep = zfs_acl_next_ace(aclp, acep, &who, &access_mask, + &iflags, &type))) { + uint16_t inherit_flags; + + entry_type = (iflags & ACE_TYPE_FLAGS); + inherit_flags = (iflags & ALL_INHERIT); + + if ((entry_type == ACE_OWNER || entry_type == ACE_EVERYONE || + (entry_type == OWNING_GROUP)) && + ((inherit_flags & ACE_INHERIT_ONLY_ACE) == 0)) { + continue; + } + + if ((type != ALLOW && type != DENY) || + (inherit_flags & ACE_INHERIT_ONLY_ACE)) { + if (inherit_flags) + aclp->z_hints |= ZFS_INHERIT_ACE; + switch (type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + aclp->z_hints |= ZFS_ACL_OBJ_ACE; + break; + } + } else { + + /* + * Limit permissions to be no greater than + * group permissions + */ + if (zsb->z_acl_inherit == ZFS_ACL_RESTRICTED) { + if (!(mode & S_IRGRP)) + access_mask &= ~ACE_READ_DATA; + if (!(mode & S_IWGRP)) + access_mask &= + ~(ACE_WRITE_DATA|ACE_APPEND_DATA); + if (!(mode & S_IXGRP)) + access_mask &= ~ACE_EXECUTE; + access_mask &= + ~(ACE_WRITE_OWNER|ACE_WRITE_ACL| + ACE_WRITE_ATTRIBUTES|ACE_WRITE_NAMED_ATTRS); + } + } + zfs_set_ace(aclp, zacep, access_mask, type, who, iflags); + ace_size = aclp->z_ops->ace_size(acep); + zacep = (void *)((uintptr_t)zacep + ace_size); + new_count++; + new_bytes += ace_size; + } + zfs_set_ace(aclp, zacep, owner, 0, -1, ACE_OWNER); + zacep = (void *)((uintptr_t)zacep + abstract_size); + zfs_set_ace(aclp, zacep, group, 0, -1, OWNING_GROUP); + zacep = (void *)((uintptr_t)zacep + abstract_size); + zfs_set_ace(aclp, zacep, everyone, 0, -1, ACE_EVERYONE); + + new_count += 3; + new_bytes += abstract_size * 3; + zfs_acl_release_nodes(aclp); + aclp->z_acl_count = new_count; + aclp->z_acl_bytes = new_bytes; + newnode->z_ace_count = new_count; + newnode->z_size = new_bytes; + list_insert_tail(&aclp->z_acl, newnode); +} + +void +zfs_acl_chmod_setattr(znode_t *zp, zfs_acl_t **aclp, uint64_t mode) +{ + mutex_enter(&zp->z_acl_lock); + mutex_enter(&zp->z_lock); + *aclp = zfs_acl_alloc(zfs_acl_version_zp(zp)); + (*aclp)->z_hints = zp->z_pflags & V4_ACL_WIDE_FLAGS; + zfs_acl_chmod(ZTOZSB(zp), mode, *aclp); + mutex_exit(&zp->z_lock); + mutex_exit(&zp->z_acl_lock); + ASSERT(*aclp); +} + +/* + * strip off write_owner and write_acl + */ +static void +zfs_restricted_update(zfs_sb_t *zsb, zfs_acl_t *aclp, void *acep) +{ + uint32_t mask = aclp->z_ops->ace_mask_get(acep); + + if ((zsb->z_acl_inherit == ZFS_ACL_RESTRICTED) && + (aclp->z_ops->ace_type_get(acep) == ALLOW)) { + mask &= ~RESTRICTED_CLEAR; + aclp->z_ops->ace_mask_set(acep, mask); + } +} + +/* + * Should ACE be inherited? + */ +static int +zfs_ace_can_use(umode_t obj_mode, uint16_t acep_flags) +{ + int iflags = (acep_flags & 0xf); + + if (S_ISDIR(obj_mode) && (iflags & ACE_DIRECTORY_INHERIT_ACE)) + return (1); + else if (iflags & ACE_FILE_INHERIT_ACE) + return (!(S_ISDIR(obj_mode) && + (iflags & ACE_NO_PROPAGATE_INHERIT_ACE))); + return (0); +} + +/* + * inherit inheritable ACEs from parent + */ +static zfs_acl_t * +zfs_acl_inherit(zfs_sb_t *zsb, umode_t obj_mode, zfs_acl_t *paclp, + uint64_t mode, boolean_t *need_chmod) +{ + void *pacep; + void *acep; + zfs_acl_node_t *aclnode; + zfs_acl_t *aclp = NULL; + uint64_t who; + uint32_t access_mask; + uint16_t iflags, newflags, type; + size_t ace_size; + void *data1, *data2; + size_t data1sz, data2sz; + boolean_t vdir = S_ISDIR(obj_mode); + boolean_t vreg = S_ISREG(obj_mode); + boolean_t passthrough, passthrough_x, noallow; + + passthrough_x = + zsb->z_acl_inherit == ZFS_ACL_PASSTHROUGH_X; + passthrough = passthrough_x || + zsb->z_acl_inherit == ZFS_ACL_PASSTHROUGH; + noallow = + zsb->z_acl_inherit == ZFS_ACL_NOALLOW; + + *need_chmod = B_TRUE; + pacep = NULL; + aclp = zfs_acl_alloc(paclp->z_version); + if (zsb->z_acl_inherit == ZFS_ACL_DISCARD || S_ISLNK(obj_mode)) + return (aclp); + while ((pacep = zfs_acl_next_ace(paclp, pacep, &who, + &access_mask, &iflags, &type))) { + + /* + * don't inherit bogus ACEs + */ + if (!zfs_acl_valid_ace_type(type, iflags)) + continue; + + if (noallow && type == ALLOW) + continue; + + ace_size = aclp->z_ops->ace_size(pacep); + + if (!zfs_ace_can_use(obj_mode, iflags)) + continue; + + /* + * If owner@, group@, or everyone@ inheritable + * then zfs_acl_chmod() isn't needed. + */ + if (passthrough && + ((iflags & (ACE_OWNER|ACE_EVERYONE)) || + ((iflags & OWNING_GROUP) == + OWNING_GROUP)) && (vreg || (vdir && (iflags & + ACE_DIRECTORY_INHERIT_ACE)))) { + *need_chmod = B_FALSE; + } + + if (!vdir && passthrough_x && + ((mode & (S_IXUSR | S_IXGRP | S_IXOTH)) == 0)) { + access_mask &= ~ACE_EXECUTE; + } + + aclnode = zfs_acl_node_alloc(ace_size); + list_insert_tail(&aclp->z_acl, aclnode); + acep = aclnode->z_acldata; + + zfs_set_ace(aclp, acep, access_mask, type, + who, iflags|ACE_INHERITED_ACE); + + /* + * Copy special opaque data if any + */ + if ((data1sz = paclp->z_ops->ace_data(pacep, &data1)) != 0) { + VERIFY((data2sz = aclp->z_ops->ace_data(acep, + &data2)) == data1sz); + bcopy(data1, data2, data2sz); + } + + aclp->z_acl_count++; + aclnode->z_ace_count++; + aclp->z_acl_bytes += aclnode->z_size; + newflags = aclp->z_ops->ace_flags_get(acep); + + if (vdir) + aclp->z_hints |= ZFS_INHERIT_ACE; + + if ((iflags & ACE_NO_PROPAGATE_INHERIT_ACE) || !vdir) { + newflags &= ~ALL_INHERIT; + aclp->z_ops->ace_flags_set(acep, + newflags|ACE_INHERITED_ACE); + zfs_restricted_update(zsb, aclp, acep); + continue; + } + + ASSERT(vdir); + + /* + * If only FILE_INHERIT is set then turn on + * inherit_only + */ + if ((iflags & (ACE_FILE_INHERIT_ACE | + ACE_DIRECTORY_INHERIT_ACE)) == ACE_FILE_INHERIT_ACE) { + newflags |= ACE_INHERIT_ONLY_ACE; + aclp->z_ops->ace_flags_set(acep, + newflags|ACE_INHERITED_ACE); + } else { + newflags &= ~ACE_INHERIT_ONLY_ACE; + aclp->z_ops->ace_flags_set(acep, + newflags|ACE_INHERITED_ACE); + } + } + return (aclp); +} + +/* + * Create file system object initial permissions + * including inheritable ACEs. + */ +int +zfs_acl_ids_create(znode_t *dzp, int flag, vattr_t *vap, cred_t *cr, + vsecattr_t *vsecp, zfs_acl_ids_t *acl_ids) +{ + int error; + zfs_sb_t *zsb = ZTOZSB(dzp); + zfs_acl_t *paclp; +#ifdef HAVE_KSID + gid_t gid; +#endif /* HAVE_KSID */ + boolean_t need_chmod = B_TRUE; + boolean_t inherited = B_FALSE; + + bzero(acl_ids, sizeof (zfs_acl_ids_t)); + acl_ids->z_mode = vap->va_mode; + + if (vsecp) + if ((error = zfs_vsec_2_aclp(zsb, vap->va_mode, vsecp, + cr, &acl_ids->z_fuidp, &acl_ids->z_aclp)) != 0) + return (error); + + acl_ids->z_fuid = vap->va_uid; + acl_ids->z_fgid = vap->va_gid; +#ifdef HAVE_KSID + /* + * Determine uid and gid. + */ + if ((flag & IS_ROOT_NODE) || zsb->z_replay || + ((flag & IS_XATTR) && (S_ISDIR(vap->va_mode)))) { + acl_ids->z_fuid = zfs_fuid_create(zsb, (uint64_t)vap->va_uid, + cr, ZFS_OWNER, &acl_ids->z_fuidp); + acl_ids->z_fgid = zfs_fuid_create(zsb, (uint64_t)vap->va_gid, + cr, ZFS_GROUP, &acl_ids->z_fuidp); + gid = vap->va_gid; + } else { + acl_ids->z_fuid = zfs_fuid_create_cred(zsb, ZFS_OWNER, + cr, &acl_ids->z_fuidp); + acl_ids->z_fgid = 0; + if (vap->va_mask & AT_GID) { + acl_ids->z_fgid = zfs_fuid_create(zsb, + (uint64_t)vap->va_gid, + cr, ZFS_GROUP, &acl_ids->z_fuidp); + gid = vap->va_gid; + if (acl_ids->z_fgid != dzp->z_gid && + !groupmember(vap->va_gid, cr) && + secpolicy_vnode_create_gid(cr) != 0) + acl_ids->z_fgid = 0; + } + if (acl_ids->z_fgid == 0) { + if (dzp->z_mode & S_ISGID) { + char *domain; + uint32_t rid; + + acl_ids->z_fgid = dzp->z_gid; + gid = zfs_fuid_map_id(zsb, acl_ids->z_fgid, + cr, ZFS_GROUP); + + if (zsb->z_use_fuids && + IS_EPHEMERAL(acl_ids->z_fgid)) { + domain = zfs_fuid_idx_domain( + &zsb->z_fuid_idx, + FUID_INDEX(acl_ids->z_fgid)); + rid = FUID_RID(acl_ids->z_fgid); + zfs_fuid_node_add(&acl_ids->z_fuidp, + domain, rid, + FUID_INDEX(acl_ids->z_fgid), + acl_ids->z_fgid, ZFS_GROUP); + } + } else { + acl_ids->z_fgid = zfs_fuid_create_cred(zsb, + ZFS_GROUP, cr, &acl_ids->z_fuidp); + gid = crgetgid(cr); + } + } + } +#endif /* HAVE_KSID */ + + /* + * If we're creating a directory, and the parent directory has the + * set-GID bit set, set in on the new directory. + * Otherwise, if the user is neither privileged nor a member of the + * file's new group, clear the file's set-GID bit. + */ + + if (!(flag & IS_ROOT_NODE) && (dzp->z_mode & S_ISGID) && + (S_ISDIR(vap->va_mode))) { + acl_ids->z_mode |= S_ISGID; + } else { + if ((acl_ids->z_mode & S_ISGID) && + secpolicy_vnode_setids_setgids(cr, gid) != 0) + acl_ids->z_mode &= ~S_ISGID; + } + + if (acl_ids->z_aclp == NULL) { + mutex_enter(&dzp->z_acl_lock); + mutex_enter(&dzp->z_lock); + if (!(flag & IS_ROOT_NODE) && (S_ISDIR(ZTOI(dzp)->i_mode) && + (dzp->z_pflags & ZFS_INHERIT_ACE)) && + !(dzp->z_pflags & ZFS_XATTR)) { + VERIFY(0 == zfs_acl_node_read(dzp, B_TRUE, + &paclp, B_FALSE)); + acl_ids->z_aclp = zfs_acl_inherit(zsb, + vap->va_mode, paclp, acl_ids->z_mode, &need_chmod); + inherited = B_TRUE; + } else { + acl_ids->z_aclp = + zfs_acl_alloc(zfs_acl_version_zp(dzp)); + acl_ids->z_aclp->z_hints |= ZFS_ACL_TRIVIAL; + } + mutex_exit(&dzp->z_lock); + mutex_exit(&dzp->z_acl_lock); + if (need_chmod) { + acl_ids->z_aclp->z_hints |= S_ISDIR(vap->va_mode) ? + ZFS_ACL_AUTO_INHERIT : 0; + zfs_acl_chmod(zsb, acl_ids->z_mode, acl_ids->z_aclp); + } + } + + if (inherited || vsecp) { + acl_ids->z_mode = zfs_mode_compute(acl_ids->z_mode, + acl_ids->z_aclp, &acl_ids->z_aclp->z_hints, + acl_ids->z_fuid, acl_ids->z_fgid); + if (ace_trivial_common(acl_ids->z_aclp, 0, zfs_ace_walk) == 0) + acl_ids->z_aclp->z_hints |= ZFS_ACL_TRIVIAL; + } + + return (0); +} + +/* + * Free ACL and fuid_infop, but not the acl_ids structure + */ +void +zfs_acl_ids_free(zfs_acl_ids_t *acl_ids) +{ + if (acl_ids->z_aclp) + zfs_acl_free(acl_ids->z_aclp); + if (acl_ids->z_fuidp) + zfs_fuid_info_free(acl_ids->z_fuidp); + acl_ids->z_aclp = NULL; + acl_ids->z_fuidp = NULL; +} + +boolean_t +zfs_acl_ids_overquota(zfs_sb_t *zsb, zfs_acl_ids_t *acl_ids) +{ + return (zfs_fuid_overquota(zsb, B_FALSE, acl_ids->z_fuid) || + zfs_fuid_overquota(zsb, B_TRUE, acl_ids->z_fgid)); +} + +/* + * Retrieve a file's ACL + */ +int +zfs_getacl(znode_t *zp, vsecattr_t *vsecp, boolean_t skipaclchk, cred_t *cr) +{ + zfs_acl_t *aclp; + ulong_t mask; + int error; + int count = 0; + int largeace = 0; + + mask = vsecp->vsa_mask & (VSA_ACE | VSA_ACECNT | + VSA_ACE_ACLFLAGS | VSA_ACE_ALLTYPES); + + if (mask == 0) + return (SET_ERROR(ENOSYS)); + + if ((error = zfs_zaccess(zp, ACE_READ_ACL, 0, skipaclchk, cr))) + return (error); + + mutex_enter(&zp->z_acl_lock); + + error = zfs_acl_node_read(zp, B_FALSE, &aclp, B_FALSE); + if (error != 0) { + mutex_exit(&zp->z_acl_lock); + return (error); + } + + /* + * Scan ACL to determine number of ACEs + */ + if ((zp->z_pflags & ZFS_ACL_OBJ_ACE) && !(mask & VSA_ACE_ALLTYPES)) { + void *zacep = NULL; + uint64_t who; + uint32_t access_mask; + uint16_t type, iflags; + + while ((zacep = zfs_acl_next_ace(aclp, zacep, + &who, &access_mask, &iflags, &type))) { + switch (type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + largeace++; + continue; + default: + count++; + } + } + vsecp->vsa_aclcnt = count; + } else + count = (int)aclp->z_acl_count; + + if (mask & VSA_ACECNT) { + vsecp->vsa_aclcnt = count; + } + + if (mask & VSA_ACE) { + size_t aclsz; + + aclsz = count * sizeof (ace_t) + + sizeof (ace_object_t) * largeace; + + vsecp->vsa_aclentp = kmem_alloc(aclsz, KM_SLEEP); + vsecp->vsa_aclentsz = aclsz; + + if (aclp->z_version == ZFS_ACL_VERSION_FUID) + zfs_copy_fuid_2_ace(ZTOZSB(zp), aclp, cr, + vsecp->vsa_aclentp, !(mask & VSA_ACE_ALLTYPES)); + else { + zfs_acl_node_t *aclnode; + void *start = vsecp->vsa_aclentp; + + for (aclnode = list_head(&aclp->z_acl); aclnode; + aclnode = list_next(&aclp->z_acl, aclnode)) { + bcopy(aclnode->z_acldata, start, + aclnode->z_size); + start = (caddr_t)start + aclnode->z_size; + } + ASSERT((caddr_t)start - (caddr_t)vsecp->vsa_aclentp == + aclp->z_acl_bytes); + } + } + if (mask & VSA_ACE_ACLFLAGS) { + vsecp->vsa_aclflags = 0; + if (zp->z_pflags & ZFS_ACL_DEFAULTED) + vsecp->vsa_aclflags |= ACL_DEFAULTED; + if (zp->z_pflags & ZFS_ACL_PROTECTED) + vsecp->vsa_aclflags |= ACL_PROTECTED; + if (zp->z_pflags & ZFS_ACL_AUTO_INHERIT) + vsecp->vsa_aclflags |= ACL_AUTO_INHERIT; + } + + mutex_exit(&zp->z_acl_lock); + + return (0); +} + +int +zfs_vsec_2_aclp(zfs_sb_t *zsb, umode_t obj_mode, + vsecattr_t *vsecp, cred_t *cr, zfs_fuid_info_t **fuidp, zfs_acl_t **zaclp) +{ + zfs_acl_t *aclp; + zfs_acl_node_t *aclnode; + int aclcnt = vsecp->vsa_aclcnt; + int error; + + if (vsecp->vsa_aclcnt > MAX_ACL_ENTRIES || vsecp->vsa_aclcnt <= 0) + return (SET_ERROR(EINVAL)); + + aclp = zfs_acl_alloc(zfs_acl_version(zsb->z_version)); + + aclp->z_hints = 0; + aclnode = zfs_acl_node_alloc(aclcnt * sizeof (zfs_object_ace_t)); + if (aclp->z_version == ZFS_ACL_VERSION_INITIAL) { + if ((error = zfs_copy_ace_2_oldace(obj_mode, aclp, + (ace_t *)vsecp->vsa_aclentp, aclnode->z_acldata, + aclcnt, &aclnode->z_size)) != 0) { + zfs_acl_free(aclp); + zfs_acl_node_free(aclnode); + return (error); + } + } else { + if ((error = zfs_copy_ace_2_fuid(zsb, obj_mode, aclp, + vsecp->vsa_aclentp, aclnode->z_acldata, aclcnt, + &aclnode->z_size, fuidp, cr)) != 0) { + zfs_acl_free(aclp); + zfs_acl_node_free(aclnode); + return (error); + } + } + aclp->z_acl_bytes = aclnode->z_size; + aclnode->z_ace_count = aclcnt; + aclp->z_acl_count = aclcnt; + list_insert_head(&aclp->z_acl, aclnode); + + /* + * If flags are being set then add them to z_hints + */ + if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS) { + if (vsecp->vsa_aclflags & ACL_PROTECTED) + aclp->z_hints |= ZFS_ACL_PROTECTED; + if (vsecp->vsa_aclflags & ACL_DEFAULTED) + aclp->z_hints |= ZFS_ACL_DEFAULTED; + if (vsecp->vsa_aclflags & ACL_AUTO_INHERIT) + aclp->z_hints |= ZFS_ACL_AUTO_INHERIT; + } + + *zaclp = aclp; + + return (0); +} + +/* + * Set a file's ACL + */ +int +zfs_setacl(znode_t *zp, vsecattr_t *vsecp, boolean_t skipaclchk, cred_t *cr) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + zilog_t *zilog = zsb->z_log; + ulong_t mask = vsecp->vsa_mask & (VSA_ACE | VSA_ACECNT); + dmu_tx_t *tx; + int error; + zfs_acl_t *aclp; + zfs_fuid_info_t *fuidp = NULL; + boolean_t fuid_dirtied; + uint64_t acl_obj; + + if (mask == 0) + return (SET_ERROR(ENOSYS)); + + if (zp->z_pflags & ZFS_IMMUTABLE) + return (SET_ERROR(EPERM)); + + if ((error = zfs_zaccess(zp, ACE_WRITE_ACL, 0, skipaclchk, cr))) + return (error); + + error = zfs_vsec_2_aclp(zsb, ZTOI(zp)->i_mode, vsecp, cr, &fuidp, + &aclp); + if (error) + return (error); + + /* + * If ACL wide flags aren't being set then preserve any + * existing flags. + */ + if (!(vsecp->vsa_mask & VSA_ACE_ACLFLAGS)) { + aclp->z_hints |= + (zp->z_pflags & V4_ACL_WIDE_FLAGS); + } +top: + mutex_enter(&zp->z_acl_lock); + mutex_enter(&zp->z_lock); + + tx = dmu_tx_create(zsb->z_os); + + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); + + fuid_dirtied = zsb->z_fuid_dirty; + if (fuid_dirtied) + zfs_fuid_txhold(zsb, tx); + + /* + * If old version and ACL won't fit in bonus and we aren't + * upgrading then take out necessary DMU holds + */ + + if ((acl_obj = zfs_external_acl(zp)) != 0) { + if (zsb->z_version >= ZPL_VERSION_FUID && + zfs_znode_acl_version(zp) <= ZFS_ACL_VERSION_INITIAL) { + dmu_tx_hold_free(tx, acl_obj, 0, + DMU_OBJECT_END); + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, + aclp->z_acl_bytes); + } else { + dmu_tx_hold_write(tx, acl_obj, 0, aclp->z_acl_bytes); + } + } else if (!zp->z_is_sa && aclp->z_acl_bytes > ZFS_ACE_SPACE) { + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, aclp->z_acl_bytes); + } + + zfs_sa_upgrade_txholds(tx, zp); + error = dmu_tx_assign(tx, TXG_NOWAIT); + if (error) { + mutex_exit(&zp->z_acl_lock); + mutex_exit(&zp->z_lock); + + if (error == ERESTART) { + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + dmu_tx_abort(tx); + zfs_acl_free(aclp); + return (error); + } + + error = zfs_aclset_common(zp, aclp, cr, tx); + ASSERT(error == 0); + ASSERT(zp->z_acl_cached == NULL); + zp->z_acl_cached = aclp; + + if (fuid_dirtied) + zfs_fuid_sync(zsb, tx); + + zfs_log_acl(zilog, tx, zp, vsecp, fuidp); + + if (fuidp) + zfs_fuid_info_free(fuidp); + dmu_tx_commit(tx); + + mutex_exit(&zp->z_lock); + mutex_exit(&zp->z_acl_lock); + + return (error); +} + +/* + * Check accesses of interest (AoI) against attributes of the dataset + * such as read-only. Returns zero if no AoI conflict with dataset + * attributes, otherwise an appropriate errno is returned. + */ +static int +zfs_zaccess_dataset_check(znode_t *zp, uint32_t v4_mode) +{ + if ((v4_mode & WRITE_MASK) && (zfs_is_readonly(ZTOZSB(zp))) && + (!S_ISDEV(ZTOI(zp)->i_mode) || + (S_ISDEV(ZTOI(zp)->i_mode) && (v4_mode & WRITE_MASK_ATTRS)))) { + return (SET_ERROR(EROFS)); + } + + /* + * Only check for READONLY on non-directories. + */ + if ((v4_mode & WRITE_MASK_DATA) && + ((!S_ISDIR(ZTOI(zp)->i_mode) && + (zp->z_pflags & (ZFS_READONLY | ZFS_IMMUTABLE))) || + (S_ISDIR(ZTOI(zp)->i_mode) && + (zp->z_pflags & ZFS_IMMUTABLE)))) { + return (SET_ERROR(EPERM)); + } + + if ((v4_mode & (ACE_DELETE | ACE_DELETE_CHILD)) && + (zp->z_pflags & ZFS_NOUNLINK)) { + return (SET_ERROR(EPERM)); + } + + if (((v4_mode & (ACE_READ_DATA|ACE_EXECUTE)) && + (zp->z_pflags & ZFS_AV_QUARANTINED))) { + return (SET_ERROR(EACCES)); + } + + return (0); +} + +/* + * The primary usage of this function is to loop through all of the + * ACEs in the znode, determining what accesses of interest (AoI) to + * the caller are allowed or denied. The AoI are expressed as bits in + * the working_mode parameter. As each ACE is processed, bits covered + * by that ACE are removed from the working_mode. This removal + * facilitates two things. The first is that when the working mode is + * empty (= 0), we know we've looked at all the AoI. The second is + * that the ACE interpretation rules don't allow a later ACE to undo + * something granted or denied by an earlier ACE. Removing the + * discovered access or denial enforces this rule. At the end of + * processing the ACEs, all AoI that were found to be denied are + * placed into the working_mode, giving the caller a mask of denied + * accesses. Returns: + * 0 if all AoI granted + * EACCESS if the denied mask is non-zero + * other error if abnormal failure (e.g., IO error) + * + * A secondary usage of the function is to determine if any of the + * AoI are granted. If an ACE grants any access in + * the working_mode, we immediately short circuit out of the function. + * This mode is chosen by setting anyaccess to B_TRUE. The + * working_mode is not a denied access mask upon exit if the function + * is used in this manner. + */ +static int +zfs_zaccess_aces_check(znode_t *zp, uint32_t *working_mode, + boolean_t anyaccess, cred_t *cr) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + zfs_acl_t *aclp; + int error; + uid_t uid = crgetuid(cr); + uint64_t who; + uint16_t type, iflags; + uint16_t entry_type; + uint32_t access_mask; + uint32_t deny_mask = 0; + zfs_ace_hdr_t *acep = NULL; + boolean_t checkit; + uid_t gowner; + uid_t fowner; + + zfs_fuid_map_ids(zp, cr, &fowner, &gowner); + + mutex_enter(&zp->z_acl_lock); + + error = zfs_acl_node_read(zp, B_FALSE, &aclp, B_FALSE); + if (error != 0) { + mutex_exit(&zp->z_acl_lock); + return (error); + } + + ASSERT(zp->z_acl_cached); + + while ((acep = zfs_acl_next_ace(aclp, acep, &who, &access_mask, + &iflags, &type))) { + uint32_t mask_matched; + + if (!zfs_acl_valid_ace_type(type, iflags)) + continue; + + if (S_ISDIR(ZTOI(zp)->i_mode) && + (iflags & ACE_INHERIT_ONLY_ACE)) + continue; + + /* Skip ACE if it does not affect any AoI */ + mask_matched = (access_mask & *working_mode); + if (!mask_matched) + continue; + + entry_type = (iflags & ACE_TYPE_FLAGS); + + checkit = B_FALSE; + + switch (entry_type) { + case ACE_OWNER: + if (uid == fowner) + checkit = B_TRUE; + break; + case OWNING_GROUP: + who = gowner; + /*FALLTHROUGH*/ + case ACE_IDENTIFIER_GROUP: + checkit = zfs_groupmember(zsb, who, cr); + break; + case ACE_EVERYONE: + checkit = B_TRUE; + break; + + /* USER Entry */ + default: + if (entry_type == 0) { + uid_t newid; + + newid = zfs_fuid_map_id(zsb, who, cr, + ZFS_ACE_USER); + if (newid != IDMAP_WK_CREATOR_OWNER_UID && + uid == newid) + checkit = B_TRUE; + break; + } else { + mutex_exit(&zp->z_acl_lock); + return (SET_ERROR(EIO)); + } + } + + if (checkit) { + if (type == DENY) { + DTRACE_PROBE3(zfs__ace__denies, + znode_t *, zp, + zfs_ace_hdr_t *, acep, + uint32_t, mask_matched); + deny_mask |= mask_matched; + } else { + DTRACE_PROBE3(zfs__ace__allows, + znode_t *, zp, + zfs_ace_hdr_t *, acep, + uint32_t, mask_matched); + if (anyaccess) { + mutex_exit(&zp->z_acl_lock); + return (0); + } + } + *working_mode &= ~mask_matched; + } + + /* Are we done? */ + if (*working_mode == 0) + break; + } + + mutex_exit(&zp->z_acl_lock); + + /* Put the found 'denies' back on the working mode */ + if (deny_mask) { + *working_mode |= deny_mask; + return (SET_ERROR(EACCES)); + } else if (*working_mode) { + return (-1); + } + + return (0); +} + +/* + * Return true if any access whatsoever granted, we don't actually + * care what access is granted. + */ +boolean_t +zfs_has_access(znode_t *zp, cred_t *cr) +{ + uint32_t have = ACE_ALL_PERMS; + + if (zfs_zaccess_aces_check(zp, &have, B_TRUE, cr) != 0) { + uid_t owner; + + owner = zfs_fuid_map_id(ZTOZSB(zp), zp->z_uid, cr, ZFS_OWNER); + return (secpolicy_vnode_any_access(cr, ZTOI(zp), owner) == 0); + } + return (B_TRUE); +} + +static int +zfs_zaccess_common(znode_t *zp, uint32_t v4_mode, uint32_t *working_mode, + boolean_t *check_privs, boolean_t skipaclchk, cred_t *cr) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + int err; + + *working_mode = v4_mode; + *check_privs = B_TRUE; + + /* + * Short circuit empty requests + */ + if (v4_mode == 0 || zsb->z_replay) { + *working_mode = 0; + return (0); + } + + if ((err = zfs_zaccess_dataset_check(zp, v4_mode)) != 0) { + *check_privs = B_FALSE; + return (err); + } + + /* + * The caller requested that the ACL check be skipped. This + * would only happen if the caller checked VOP_ACCESS() with a + * 32 bit ACE mask and already had the appropriate permissions. + */ + if (skipaclchk) { + *working_mode = 0; + return (0); + } + + return (zfs_zaccess_aces_check(zp, working_mode, B_FALSE, cr)); +} + +static int +zfs_zaccess_append(znode_t *zp, uint32_t *working_mode, boolean_t *check_privs, + cred_t *cr) +{ + if (*working_mode != ACE_WRITE_DATA) + return (SET_ERROR(EACCES)); + + return (zfs_zaccess_common(zp, ACE_APPEND_DATA, working_mode, + check_privs, B_FALSE, cr)); +} + +int +zfs_fastaccesschk_execute(znode_t *zdp, cred_t *cr) +{ + boolean_t owner = B_FALSE; + boolean_t groupmbr = B_FALSE; + boolean_t is_attr; + uid_t uid = crgetuid(cr); + int error; + + if (zdp->z_pflags & ZFS_AV_QUARANTINED) + return (SET_ERROR(EACCES)); + + is_attr = ((zdp->z_pflags & ZFS_XATTR) && + (S_ISDIR(ZTOI(zdp)->i_mode))); + if (is_attr) + goto slow; + + + mutex_enter(&zdp->z_acl_lock); + + if (zdp->z_pflags & ZFS_NO_EXECS_DENIED) { + mutex_exit(&zdp->z_acl_lock); + return (0); + } + + if (FUID_INDEX(zdp->z_uid) != 0 || FUID_INDEX(zdp->z_gid) != 0) { + mutex_exit(&zdp->z_acl_lock); + goto slow; + } + + if (uid == zdp->z_uid) { + owner = B_TRUE; + if (zdp->z_mode & S_IXUSR) { + mutex_exit(&zdp->z_acl_lock); + return (0); + } else { + mutex_exit(&zdp->z_acl_lock); + goto slow; + } + } + if (groupmember(zdp->z_gid, cr)) { + groupmbr = B_TRUE; + if (zdp->z_mode & S_IXGRP) { + mutex_exit(&zdp->z_acl_lock); + return (0); + } else { + mutex_exit(&zdp->z_acl_lock); + goto slow; + } + } + if (!owner && !groupmbr) { + if (zdp->z_mode & S_IXOTH) { + mutex_exit(&zdp->z_acl_lock); + return (0); + } + } + + mutex_exit(&zdp->z_acl_lock); + +slow: + DTRACE_PROBE(zfs__fastpath__execute__access__miss); + ZFS_ENTER(ZTOZSB(zdp)); + error = zfs_zaccess(zdp, ACE_EXECUTE, 0, B_FALSE, cr); + ZFS_EXIT(ZTOZSB(zdp)); + return (error); +} + +/* + * Determine whether Access should be granted/denied. + * + * The least priv subsytem is always consulted as a basic privilege + * can define any form of access. + */ +int +zfs_zaccess(znode_t *zp, int mode, int flags, boolean_t skipaclchk, cred_t *cr) +{ + uint32_t working_mode; + int error; + int is_attr; + boolean_t check_privs; + znode_t *xzp; + znode_t *check_zp = zp; + mode_t needed_bits; + uid_t owner; + + is_attr = ((zp->z_pflags & ZFS_XATTR) && S_ISDIR(ZTOI(zp)->i_mode)); + + /* + * If attribute then validate against base file + */ + if (is_attr) { + uint64_t parent; + + if ((error = sa_lookup(zp->z_sa_hdl, + SA_ZPL_PARENT(ZTOZSB(zp)), &parent, + sizeof (parent))) != 0) + return (error); + + if ((error = zfs_zget(ZTOZSB(zp), + parent, &xzp)) != 0) { + return (error); + } + + check_zp = xzp; + + /* + * fixup mode to map to xattr perms + */ + + if (mode & (ACE_WRITE_DATA|ACE_APPEND_DATA)) { + mode &= ~(ACE_WRITE_DATA|ACE_APPEND_DATA); + mode |= ACE_WRITE_NAMED_ATTRS; + } + + if (mode & (ACE_READ_DATA|ACE_EXECUTE)) { + mode &= ~(ACE_READ_DATA|ACE_EXECUTE); + mode |= ACE_READ_NAMED_ATTRS; + } + } + + owner = zfs_fuid_map_id(ZTOZSB(zp), zp->z_uid, cr, ZFS_OWNER); + /* + * Map the bits required to the standard inode flags + * S_IRUSR|S_IWUSR|S_IXUSR in the needed_bits. Map the bits + * mapped by working_mode (currently missing) in missing_bits. + * Call secpolicy_vnode_access2() with (needed_bits & ~checkmode), + * needed_bits. + */ + needed_bits = 0; + + working_mode = mode; + if ((working_mode & (ACE_READ_ACL|ACE_READ_ATTRIBUTES)) && + owner == crgetuid(cr)) + working_mode &= ~(ACE_READ_ACL|ACE_READ_ATTRIBUTES); + + if (working_mode & (ACE_READ_DATA|ACE_READ_NAMED_ATTRS| + ACE_READ_ACL|ACE_READ_ATTRIBUTES|ACE_SYNCHRONIZE)) + needed_bits |= S_IRUSR; + if (working_mode & (ACE_WRITE_DATA|ACE_WRITE_NAMED_ATTRS| + ACE_APPEND_DATA|ACE_WRITE_ATTRIBUTES|ACE_SYNCHRONIZE)) + needed_bits |= S_IWUSR; + if (working_mode & ACE_EXECUTE) + needed_bits |= S_IXUSR; + + if ((error = zfs_zaccess_common(check_zp, mode, &working_mode, + &check_privs, skipaclchk, cr)) == 0) { + if (is_attr) + iput(ZTOI(xzp)); + return (secpolicy_vnode_access2(cr, ZTOI(zp), owner, + needed_bits, needed_bits)); + } + + if (error && !check_privs) { + if (is_attr) + iput(ZTOI(xzp)); + return (error); + } + + if (error && (flags & V_APPEND)) { + error = zfs_zaccess_append(zp, &working_mode, &check_privs, cr); + } + + if (error && check_privs) { + mode_t checkmode = 0; + + /* + * First check for implicit owner permission on + * read_acl/read_attributes + */ + + error = 0; + ASSERT(working_mode != 0); + + if ((working_mode & (ACE_READ_ACL|ACE_READ_ATTRIBUTES) && + owner == crgetuid(cr))) + working_mode &= ~(ACE_READ_ACL|ACE_READ_ATTRIBUTES); + + if (working_mode & (ACE_READ_DATA|ACE_READ_NAMED_ATTRS| + ACE_READ_ACL|ACE_READ_ATTRIBUTES|ACE_SYNCHRONIZE)) + checkmode |= S_IRUSR; + if (working_mode & (ACE_WRITE_DATA|ACE_WRITE_NAMED_ATTRS| + ACE_APPEND_DATA|ACE_WRITE_ATTRIBUTES|ACE_SYNCHRONIZE)) + checkmode |= S_IWUSR; + if (working_mode & ACE_EXECUTE) + checkmode |= S_IXUSR; + + error = secpolicy_vnode_access2(cr, ZTOI(check_zp), owner, + needed_bits & ~checkmode, needed_bits); + + if (error == 0 && (working_mode & ACE_WRITE_OWNER)) + error = secpolicy_vnode_chown(cr, owner); + if (error == 0 && (working_mode & ACE_WRITE_ACL)) + error = secpolicy_vnode_setdac(cr, owner); + + if (error == 0 && (working_mode & + (ACE_DELETE|ACE_DELETE_CHILD))) + error = secpolicy_vnode_remove(cr); + + if (error == 0 && (working_mode & ACE_SYNCHRONIZE)) { + error = secpolicy_vnode_chown(cr, owner); + } + if (error == 0) { + /* + * See if any bits other than those already checked + * for are still present. If so then return EACCES + */ + if (working_mode & ~(ZFS_CHECKED_MASKS)) { + error = SET_ERROR(EACCES); + } + } + } else if (error == 0) { + error = secpolicy_vnode_access2(cr, ZTOI(zp), owner, + needed_bits, needed_bits); + } + + if (is_attr) + iput(ZTOI(xzp)); + + return (error); +} + +/* + * Translate traditional unix S_IRUSR/S_IWUSR/S_IXUSR mode into + * native ACL format and call zfs_zaccess() + */ +int +zfs_zaccess_rwx(znode_t *zp, mode_t mode, int flags, cred_t *cr) +{ + return (zfs_zaccess(zp, zfs_unix_to_v4(mode >> 6), flags, B_FALSE, cr)); +} + +/* + * Access function for secpolicy_vnode_setattr + */ +int +zfs_zaccess_unix(znode_t *zp, mode_t mode, cred_t *cr) +{ + int v4_mode = zfs_unix_to_v4(mode >> 6); + + return (zfs_zaccess(zp, v4_mode, 0, B_FALSE, cr)); +} + +static int +zfs_delete_final_check(znode_t *zp, znode_t *dzp, + mode_t available_perms, cred_t *cr) +{ + int error; + uid_t downer; + + downer = zfs_fuid_map_id(ZTOZSB(dzp), dzp->z_uid, cr, ZFS_OWNER); + + error = secpolicy_vnode_access2(cr, ZTOI(dzp), + downer, available_perms, S_IWUSR|S_IXUSR); + + if (error == 0) + error = zfs_sticky_remove_access(dzp, zp, cr); + + return (error); +} + +/* + * Determine whether Access should be granted/deny, without + * consulting least priv subsystem. + * + * The following chart is the recommended NFSv4 enforcement for + * ability to delete an object. + * + * ------------------------------------------------------- + * | Parent Dir | Target Object Permissions | + * | permissions | | + * ------------------------------------------------------- + * | | ACL Allows | ACL Denies| Delete | + * | | Delete | Delete | unspecified| + * ------------------------------------------------------- + * | ACL Allows | Permit | Permit | Permit | + * | DELETE_CHILD | | + * ------------------------------------------------------- + * | ACL Denies | Permit | Deny | Deny | + * | DELETE_CHILD | | | | + * ------------------------------------------------------- + * | ACL specifies | | | | + * | only allow | Permit | Permit | Permit | + * | write and | | | | + * | execute | | | | + * ------------------------------------------------------- + * | ACL denies | | | | + * | write and | Permit | Deny | Deny | + * | execute | | | | + * ------------------------------------------------------- + * ^ + * | + * No search privilege, can't even look up file? + * + */ +int +zfs_zaccess_delete(znode_t *dzp, znode_t *zp, cred_t *cr) +{ + uint32_t dzp_working_mode = 0; + uint32_t zp_working_mode = 0; + int dzp_error, zp_error; + mode_t available_perms; + boolean_t dzpcheck_privs = B_TRUE; + boolean_t zpcheck_privs = B_TRUE; + + /* + * We want specific DELETE permissions to + * take precedence over WRITE/EXECUTE. We don't + * want an ACL such as this to mess us up. + * user:joe:write_data:deny,user:joe:delete:allow + * + * However, deny permissions may ultimately be overridden + * by secpolicy_vnode_access(). + * + * We will ask for all of the necessary permissions and then + * look at the working modes from the directory and target object + * to determine what was found. + */ + + if (zp->z_pflags & (ZFS_IMMUTABLE | ZFS_NOUNLINK)) + return (SET_ERROR(EPERM)); + + /* + * First row + * If the directory permissions allow the delete, we are done. + */ + if ((dzp_error = zfs_zaccess_common(dzp, ACE_DELETE_CHILD, + &dzp_working_mode, &dzpcheck_privs, B_FALSE, cr)) == 0) + return (0); + + /* + * If target object has delete permission then we are done + */ + if ((zp_error = zfs_zaccess_common(zp, ACE_DELETE, &zp_working_mode, + &zpcheck_privs, B_FALSE, cr)) == 0) + return (0); + + ASSERT(dzp_error && zp_error); + + if (!dzpcheck_privs) + return (dzp_error); + if (!zpcheck_privs) + return (zp_error); + + /* + * Second row + * + * If directory returns EACCES then delete_child was denied + * due to deny delete_child. In this case send the request through + * secpolicy_vnode_remove(). We don't use zfs_delete_final_check() + * since that *could* allow the delete based on write/execute permission + * and we want delete permissions to override write/execute. + */ + + if (dzp_error == EACCES) + return (secpolicy_vnode_remove(cr)); + + /* + * Third Row + * only need to see if we have write/execute on directory. + */ + + dzp_error = zfs_zaccess_common(dzp, ACE_EXECUTE|ACE_WRITE_DATA, + &dzp_working_mode, &dzpcheck_privs, B_FALSE, cr); + + if (dzp_error != 0 && !dzpcheck_privs) + return (dzp_error); + + /* + * Fourth row + */ + + available_perms = (dzp_working_mode & ACE_WRITE_DATA) ? 0 : S_IWUSR; + available_perms |= (dzp_working_mode & ACE_EXECUTE) ? 0 : S_IXUSR; + + return (zfs_delete_final_check(zp, dzp, available_perms, cr)); + +} + +int +zfs_zaccess_rename(znode_t *sdzp, znode_t *szp, znode_t *tdzp, + znode_t *tzp, cred_t *cr) +{ + int add_perm; + int error; + + if (szp->z_pflags & ZFS_AV_QUARANTINED) + return (SET_ERROR(EACCES)); + + add_perm = S_ISDIR(ZTOI(szp)->i_mode) ? + ACE_ADD_SUBDIRECTORY : ACE_ADD_FILE; + + /* + * Rename permissions are combination of delete permission + + * add file/subdir permission. + */ + + /* + * first make sure we do the delete portion. + * + * If that succeeds then check for add_file/add_subdir permissions + */ + + if ((error = zfs_zaccess_delete(sdzp, szp, cr))) + return (error); + + /* + * If we have a tzp, see if we can delete it? + */ + if (tzp) { + if ((error = zfs_zaccess_delete(tdzp, tzp, cr))) + return (error); + } + + /* + * Now check for add permissions + */ + error = zfs_zaccess(tdzp, add_perm, 0, B_FALSE, cr); + + return (error); +} diff --git a/zfs/module/zfs/zfs_byteswap.c b/zfs/module/zfs/zfs_byteswap.c new file mode 100644 index 000000000000..16327a225058 --- /dev/null +++ b/zfs/module/zfs/zfs_byteswap.c @@ -0,0 +1,205 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#include +#include +#include +#include +#include +#include + +void +zfs_oldace_byteswap(ace_t *ace, int ace_cnt) +{ + int i; + + for (i = 0; i != ace_cnt; i++, ace++) { + ace->a_who = BSWAP_32(ace->a_who); + ace->a_access_mask = BSWAP_32(ace->a_access_mask); + ace->a_flags = BSWAP_16(ace->a_flags); + ace->a_type = BSWAP_16(ace->a_type); + } +} + +/* + * swap ace_t and ace_oject_t + */ +void +zfs_ace_byteswap(void *buf, size_t size, boolean_t zfs_layout) +{ + caddr_t end; + caddr_t ptr; + zfs_ace_t *zacep = NULL; + ace_t *acep; + uint16_t entry_type; + size_t entry_size; + int ace_type; + + end = (caddr_t)buf + size; + ptr = buf; + + while (ptr < end) { + if (zfs_layout) { + /* + * Avoid overrun. Embedded aces can have one + * of several sizes. We don't know exactly + * how many our present, only the size of the + * buffer containing them. That size may be + * larger than needed to hold the aces + * present. As long as we do not do any + * swapping beyond the end of our block we are + * okay. It it safe to swap any non-ace data + * within the block since it is just zeros. + */ + if (ptr + sizeof (zfs_ace_hdr_t) > end) { + break; + } + zacep = (zfs_ace_t *)ptr; + zacep->z_hdr.z_access_mask = + BSWAP_32(zacep->z_hdr.z_access_mask); + zacep->z_hdr.z_flags = BSWAP_16(zacep->z_hdr.z_flags); + ace_type = zacep->z_hdr.z_type = + BSWAP_16(zacep->z_hdr.z_type); + entry_type = zacep->z_hdr.z_flags & ACE_TYPE_FLAGS; + } else { + /* Overrun avoidance */ + if (ptr + sizeof (ace_t) > end) { + break; + } + acep = (ace_t *)ptr; + acep->a_access_mask = BSWAP_32(acep->a_access_mask); + acep->a_flags = BSWAP_16(acep->a_flags); + ace_type = acep->a_type = BSWAP_16(acep->a_type); + acep->a_who = BSWAP_32(acep->a_who); + entry_type = acep->a_flags & ACE_TYPE_FLAGS; + } + switch (entry_type) { + case ACE_OWNER: + case ACE_EVERYONE: + case (ACE_IDENTIFIER_GROUP | ACE_GROUP): + entry_size = zfs_layout ? + sizeof (zfs_ace_hdr_t) : sizeof (ace_t); + break; + case ACE_IDENTIFIER_GROUP: + default: + /* Overrun avoidance */ + if (zfs_layout) { + if (ptr + sizeof (zfs_ace_t) <= end) { + zacep->z_fuid = BSWAP_64(zacep->z_fuid); + } else { + entry_size = sizeof (zfs_ace_t); + break; + } + } + switch (ace_type) { + case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: + case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: + case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: + case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: + entry_size = zfs_layout ? + sizeof (zfs_object_ace_t) : + sizeof (ace_object_t); + break; + default: + entry_size = zfs_layout ? sizeof (zfs_ace_t) : + sizeof (ace_t); + break; + } + } + ptr = ptr + entry_size; + } +} + +/* ARGSUSED */ +void +zfs_oldacl_byteswap(void *buf, size_t size) +{ + int cnt; + + /* + * Arggh, since we don't know how many ACEs are in + * the array, we have to swap the entire block + */ + + cnt = size / sizeof (ace_t); + + zfs_oldace_byteswap((ace_t *)buf, cnt); +} + +/* ARGSUSED */ +void +zfs_acl_byteswap(void *buf, size_t size) +{ + zfs_ace_byteswap(buf, size, B_TRUE); +} + +void +zfs_znode_byteswap(void *buf, size_t size) +{ + znode_phys_t *zp = buf; + + ASSERT(size >= sizeof (znode_phys_t)); + + zp->zp_crtime[0] = BSWAP_64(zp->zp_crtime[0]); + zp->zp_crtime[1] = BSWAP_64(zp->zp_crtime[1]); + zp->zp_atime[0] = BSWAP_64(zp->zp_atime[0]); + zp->zp_atime[1] = BSWAP_64(zp->zp_atime[1]); + zp->zp_mtime[0] = BSWAP_64(zp->zp_mtime[0]); + zp->zp_mtime[1] = BSWAP_64(zp->zp_mtime[1]); + zp->zp_ctime[0] = BSWAP_64(zp->zp_ctime[0]); + zp->zp_ctime[1] = BSWAP_64(zp->zp_ctime[1]); + zp->zp_gen = BSWAP_64(zp->zp_gen); + zp->zp_mode = BSWAP_64(zp->zp_mode); + zp->zp_size = BSWAP_64(zp->zp_size); + zp->zp_parent = BSWAP_64(zp->zp_parent); + zp->zp_links = BSWAP_64(zp->zp_links); + zp->zp_xattr = BSWAP_64(zp->zp_xattr); + zp->zp_rdev = BSWAP_64(zp->zp_rdev); + zp->zp_flags = BSWAP_64(zp->zp_flags); + zp->zp_uid = BSWAP_64(zp->zp_uid); + zp->zp_gid = BSWAP_64(zp->zp_gid); + zp->zp_zap = BSWAP_64(zp->zp_zap); + zp->zp_pad[0] = BSWAP_64(zp->zp_pad[0]); + zp->zp_pad[1] = BSWAP_64(zp->zp_pad[1]); + zp->zp_pad[2] = BSWAP_64(zp->zp_pad[2]); + + zp->zp_acl.z_acl_extern_obj = BSWAP_64(zp->zp_acl.z_acl_extern_obj); + zp->zp_acl.z_acl_size = BSWAP_32(zp->zp_acl.z_acl_size); + zp->zp_acl.z_acl_version = BSWAP_16(zp->zp_acl.z_acl_version); + zp->zp_acl.z_acl_count = BSWAP_16(zp->zp_acl.z_acl_count); + if (zp->zp_acl.z_acl_version == ZFS_ACL_VERSION) { + zfs_acl_byteswap((void *)&zp->zp_acl.z_ace_data[0], + ZFS_ACE_SPACE); + } else { + zfs_oldace_byteswap((ace_t *)&zp->zp_acl.z_ace_data[0], + ACE_SLOT_CNT); + } +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zfs_oldacl_byteswap); +EXPORT_SYMBOL(zfs_acl_byteswap); +EXPORT_SYMBOL(zfs_znode_byteswap); +#endif diff --git a/zfs/module/zfs/zfs_ctldir.c b/zfs/module/zfs/zfs_ctldir.c new file mode 100644 index 000000000000..2767b235d5f9 --- /dev/null +++ b/zfs/module/zfs/zfs_ctldir.c @@ -0,0 +1,1290 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * LLNL-CODE-403049. + * Rewritten for Linux by: + * Rohan Puri + * Brian Behlendorf + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +/* + * ZFS control directory (a.k.a. ".zfs") + * + * This directory provides a common location for all ZFS meta-objects. + * Currently, this is only the 'snapshot' and 'shares' directory, but this may + * expand in the future. The elements are built dynamically, as the hierarchy + * does not actually exist on disk. + * + * For 'snapshot', we don't want to have all snapshots always mounted, because + * this would take up a huge amount of space in /etc/mnttab. We have three + * types of objects: + * + * ctldir ------> snapshotdir -------> snapshot + * | + * | + * V + * mounted fs + * + * The 'snapshot' node contains just enough information to lookup '..' and act + * as a mountpoint for the snapshot. Whenever we lookup a specific snapshot, we + * perform an automount of the underlying filesystem and return the + * corresponding inode. + * + * All mounts are handled automatically by an user mode helper which invokes + * the mount mount procedure. Unmounts are handled by allowing the mount + * point to expire so the kernel may automatically unmount it. + * + * The '.zfs', '.zfs/snapshot', and all directories created under + * '.zfs/snapshot' (ie: '.zfs/snapshot/') all share the same + * share the same zfs_sb_t as the head filesystem (what '.zfs' lives under). + * + * File systems mounted on top of the '.zfs/snapshot/' paths + * (ie: snapshots) are complete ZFS filesystems and have their own unique + * zfs_sb_t. However, the fsid reported by these mounts will be the same + * as that used by the parent zfs_sb_t to make NFS happy. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "zfs_namecheck.h" + +/* + * Two AVL trees are maintained which contain all currently automounted + * snapshots. Every automounted snapshots maps to a single zfs_snapentry_t + * entry which MUST: + * + * - be attached to both trees, and + * - be unique, no duplicate entries are allowed. + * + * The zfs_snapshots_by_name tree is indexed by the full dataset name + * while the zfs_snapshots_by_objsetid tree is indexed by the unique + * objsetid. This allows for fast lookups either by name or objsetid. + */ +static avl_tree_t zfs_snapshots_by_name; +static avl_tree_t zfs_snapshots_by_objsetid; +static krwlock_t zfs_snapshot_lock; + +/* + * Control Directory Tunables (.zfs) + */ +int zfs_expire_snapshot = ZFSCTL_EXPIRE_SNAPSHOT; +int zfs_admin_snapshot = 0; + +/* + * Dedicated task queue for unmounting snapshots. + */ +static taskq_t *zfs_expire_taskq; + +typedef struct { + char *se_name; /* full snapshot name */ + char *se_path; /* full mount path */ + spa_t *se_spa; /* pool spa */ + uint64_t se_objsetid; /* snapshot objset id */ + struct dentry *se_root_dentry; /* snapshot root dentry */ + taskqid_t se_taskqid; /* scheduled unmount taskqid */ + avl_node_t se_node_name; /* zfs_snapshots_by_name link */ + avl_node_t se_node_objsetid; /* zfs_snapshots_by_objsetid link */ + refcount_t se_refcount; /* reference count */ +} zfs_snapentry_t; + +static void zfsctl_snapshot_unmount_delay_impl(zfs_snapentry_t *se, int delay); + +/* + * Allocate a new zfs_snapentry_t being careful to make a copy of the + * the snapshot name and provided mount point. No reference is taken. + */ +static zfs_snapentry_t * +zfsctl_snapshot_alloc(char *full_name, char *full_path, spa_t *spa, + uint64_t objsetid, struct dentry *root_dentry) +{ + zfs_snapentry_t *se; + + se = kmem_zalloc(sizeof (zfs_snapentry_t), KM_SLEEP); + + se->se_name = strdup(full_name); + se->se_path = strdup(full_path); + se->se_spa = spa; + se->se_objsetid = objsetid; + se->se_root_dentry = root_dentry; + se->se_taskqid = -1; + + refcount_create(&se->se_refcount); + + return (se); +} + +/* + * Free a zfs_snapentry_t the called must ensure there are no active + * references. + */ +static void +zfsctl_snapshot_free(zfs_snapentry_t *se) +{ + refcount_destroy(&se->se_refcount); + strfree(se->se_name); + strfree(se->se_path); + + kmem_free(se, sizeof (zfs_snapentry_t)); +} + +/* + * Hold a reference on the zfs_snapentry_t. + */ +static void +zfsctl_snapshot_hold(zfs_snapentry_t *se) +{ + refcount_add(&se->se_refcount, NULL); +} + +/* + * Release a reference on the zfs_snapentry_t. When the number of + * references drops to zero the structure will be freed. + */ +static void +zfsctl_snapshot_rele(zfs_snapentry_t *se) +{ + if (refcount_remove(&se->se_refcount, NULL) == 0) + zfsctl_snapshot_free(se); +} + +/* + * Add a zfs_snapentry_t to both the zfs_snapshots_by_name and + * zfs_snapshots_by_objsetid trees. While the zfs_snapentry_t is part + * of the trees a reference is held. + */ +static void +zfsctl_snapshot_add(zfs_snapentry_t *se) +{ + ASSERT(RW_WRITE_HELD(&zfs_snapshot_lock)); + refcount_add(&se->se_refcount, NULL); + avl_add(&zfs_snapshots_by_name, se); + avl_add(&zfs_snapshots_by_objsetid, se); +} + +/* + * Remove a zfs_snapentry_t from both the zfs_snapshots_by_name and + * zfs_snapshots_by_objsetid trees. Upon removal a reference is dropped, + * this can result in the structure being freed if that was the last + * remaining reference. + */ +static void +zfsctl_snapshot_remove(zfs_snapentry_t *se) +{ + ASSERT(RW_WRITE_HELD(&zfs_snapshot_lock)); + avl_remove(&zfs_snapshots_by_name, se); + avl_remove(&zfs_snapshots_by_objsetid, se); + zfsctl_snapshot_rele(se); +} + +/* + * Snapshot name comparison function for the zfs_snapshots_by_name. + */ +static int +snapentry_compare_by_name(const void *a, const void *b) +{ + const zfs_snapentry_t *se_a = a; + const zfs_snapentry_t *se_b = b; + int ret; + + ret = strcmp(se_a->se_name, se_b->se_name); + + if (ret < 0) + return (-1); + else if (ret > 0) + return (1); + else + return (0); +} + +/* + * Snapshot name comparison function for the zfs_snapshots_by_objsetid. + */ +static int +snapentry_compare_by_objsetid(const void *a, const void *b) +{ + const zfs_snapentry_t *se_a = a; + const zfs_snapentry_t *se_b = b; + + if (se_a->se_spa != se_b->se_spa) + return ((ulong_t)se_a->se_spa < (ulong_t)se_b->se_spa ? -1 : 1); + + if (se_a->se_objsetid < se_b->se_objsetid) + return (-1); + else if (se_a->se_objsetid > se_b->se_objsetid) + return (1); + else + return (0); +} + +/* + * Find a zfs_snapentry_t in zfs_snapshots_by_name. If the snapname + * is found a pointer to the zfs_snapentry_t is returned and a reference + * taken on the structure. The caller is responsible for dropping the + * reference with zfsctl_snapshot_rele(). If the snapname is not found + * NULL will be returned. + */ +static zfs_snapentry_t * +zfsctl_snapshot_find_by_name(char *snapname) +{ + zfs_snapentry_t *se, search; + + ASSERT(RW_LOCK_HELD(&zfs_snapshot_lock)); + + search.se_name = snapname; + se = avl_find(&zfs_snapshots_by_name, &search, NULL); + if (se) + refcount_add(&se->se_refcount, NULL); + + return (se); +} + +/* + * Find a zfs_snapentry_t in zfs_snapshots_by_objsetid given the objset id + * rather than the snapname. In all other respects it behaves the same + * as zfsctl_snapshot_find_by_name(). + */ +static zfs_snapentry_t * +zfsctl_snapshot_find_by_objsetid(spa_t *spa, uint64_t objsetid) +{ + zfs_snapentry_t *se, search; + + ASSERT(RW_LOCK_HELD(&zfs_snapshot_lock)); + + search.se_spa = spa; + search.se_objsetid = objsetid; + se = avl_find(&zfs_snapshots_by_objsetid, &search, NULL); + if (se) + refcount_add(&se->se_refcount, NULL); + + return (se); +} + +/* + * Rename a zfs_snapentry_t in the zfs_snapshots_by_name. The structure is + * removed, renamed, and added back to the new correct location in the tree. + */ +static int +zfsctl_snapshot_rename(char *old_snapname, char *new_snapname) +{ + zfs_snapentry_t *se; + + ASSERT(RW_WRITE_HELD(&zfs_snapshot_lock)); + + se = zfsctl_snapshot_find_by_name(old_snapname); + if (se == NULL) + return (ENOENT); + + zfsctl_snapshot_remove(se); + strfree(se->se_name); + se->se_name = strdup(new_snapname); + zfsctl_snapshot_add(se); + zfsctl_snapshot_rele(se); + + return (0); +} + +/* + * Delayed task responsible for unmounting an expired automounted snapshot. + */ +static void +snapentry_expire(void *data) +{ + zfs_snapentry_t *se = (zfs_snapentry_t *)data; + spa_t *spa = se->se_spa; + uint64_t objsetid = se->se_objsetid; + + if (zfs_expire_snapshot <= 0) { + zfsctl_snapshot_rele(se); + return; + } + + se->se_taskqid = -1; + (void) zfsctl_snapshot_unmount(se->se_name, MNT_EXPIRE); + zfsctl_snapshot_rele(se); + + /* + * Reschedule the unmount if the zfs_snapentry_t wasn't removed. + * This can occur when the snapshot is busy. + */ + rw_enter(&zfs_snapshot_lock, RW_READER); + if ((se = zfsctl_snapshot_find_by_objsetid(spa, objsetid)) != NULL) { + zfsctl_snapshot_unmount_delay_impl(se, zfs_expire_snapshot); + zfsctl_snapshot_rele(se); + } + rw_exit(&zfs_snapshot_lock); +} + +/* + * Cancel an automatic unmount of a snapname. This callback is responsible + * for dropping the reference on the zfs_snapentry_t which was taken when + * during dispatch. + */ +static void +zfsctl_snapshot_unmount_cancel(zfs_snapentry_t *se) +{ + ASSERT(RW_LOCK_HELD(&zfs_snapshot_lock)); + + if (taskq_cancel_id(zfs_expire_taskq, se->se_taskqid) == 0) { + se->se_taskqid = -1; + zfsctl_snapshot_rele(se); + } +} + +/* + * Dispatch the unmount task for delayed handling with a hold protecting it. + */ +static void +zfsctl_snapshot_unmount_delay_impl(zfs_snapentry_t *se, int delay) +{ + ASSERT3S(se->se_taskqid, ==, -1); + + if (delay <= 0) + return; + + zfsctl_snapshot_hold(se); + se->se_taskqid = taskq_dispatch_delay(zfs_expire_taskq, + snapentry_expire, se, TQ_SLEEP, ddi_get_lbolt() + delay * HZ); +} + +/* + * Schedule an automatic unmount of objset id to occur in delay seconds from + * now. Any previous delayed unmount will be cancelled in favor of the + * updated deadline. A reference is taken by zfsctl_snapshot_find_by_name() + * and held until the outstanding task is handled or cancelled. + */ +int +zfsctl_snapshot_unmount_delay(spa_t *spa, uint64_t objsetid, int delay) +{ + zfs_snapentry_t *se; + int error = ENOENT; + + rw_enter(&zfs_snapshot_lock, RW_READER); + if ((se = zfsctl_snapshot_find_by_objsetid(spa, objsetid)) != NULL) { + zfsctl_snapshot_unmount_cancel(se); + zfsctl_snapshot_unmount_delay_impl(se, delay); + zfsctl_snapshot_rele(se); + error = 0; + } + rw_exit(&zfs_snapshot_lock); + + return (error); +} + +/* + * Check if snapname is currently mounted. Returned non-zero when mounted + * and zero when unmounted. + */ +static boolean_t +zfsctl_snapshot_ismounted(char *snapname) +{ + zfs_snapentry_t *se; + boolean_t ismounted = B_FALSE; + + rw_enter(&zfs_snapshot_lock, RW_READER); + if ((se = zfsctl_snapshot_find_by_name(snapname)) != NULL) { + zfsctl_snapshot_rele(se); + ismounted = B_TRUE; + } + rw_exit(&zfs_snapshot_lock); + + return (ismounted); +} + +/* + * Check if the given inode is a part of the virtual .zfs directory. + */ +boolean_t +zfsctl_is_node(struct inode *ip) +{ + return (ITOZ(ip)->z_is_ctldir); +} + +/* + * Check if the given inode is a .zfs/snapshots/snapname directory. + */ +boolean_t +zfsctl_is_snapdir(struct inode *ip) +{ + return (zfsctl_is_node(ip) && (ip->i_ino <= ZFSCTL_INO_SNAPDIRS)); +} + +/* + * Allocate a new inode with the passed id and ops. + */ +static struct inode * +zfsctl_inode_alloc(zfs_sb_t *zsb, uint64_t id, + const struct file_operations *fops, const struct inode_operations *ops) +{ + struct timespec now = current_fs_time(zsb->z_sb); + struct inode *ip; + znode_t *zp; + + ip = new_inode(zsb->z_sb); + if (ip == NULL) + return (NULL); + + zp = ITOZ(ip); + ASSERT3P(zp->z_dirlocks, ==, NULL); + ASSERT3P(zp->z_acl_cached, ==, NULL); + ASSERT3P(zp->z_xattr_cached, ==, NULL); + zp->z_id = id; + zp->z_unlinked = 0; + zp->z_atime_dirty = 0; + zp->z_zn_prefetch = 0; + zp->z_moved = 0; + zp->z_sa_hdl = NULL; + zp->z_blksz = 0; + zp->z_seq = 0; + zp->z_mapcnt = 0; + zp->z_gen = 0; + zp->z_size = 0; + zp->z_links = 0; + zp->z_pflags = 0; + zp->z_uid = 0; + zp->z_gid = 0; + zp->z_mode = 0; + zp->z_sync_cnt = 0; + zp->z_is_mapped = B_FALSE; + zp->z_is_ctldir = B_TRUE; + zp->z_is_sa = B_FALSE; + zp->z_is_stale = B_FALSE; + ip->i_ino = id; + ip->i_mode = (S_IFDIR | S_IRUGO | S_IXUGO); + ip->i_uid = SUID_TO_KUID(0); + ip->i_gid = SGID_TO_KGID(0); + ip->i_blkbits = SPA_MINBLOCKSHIFT; + ip->i_atime = now; + ip->i_mtime = now; + ip->i_ctime = now; + ip->i_fop = fops; + ip->i_op = ops; + + if (insert_inode_locked(ip)) { + unlock_new_inode(ip); + iput(ip); + return (NULL); + } + + mutex_enter(&zsb->z_znodes_lock); + list_insert_tail(&zsb->z_all_znodes, zp); + zsb->z_nr_znodes++; + membar_producer(); + mutex_exit(&zsb->z_znodes_lock); + + unlock_new_inode(ip); + + return (ip); +} + +/* + * Lookup the inode with given id, it will be allocated if needed. + */ +static struct inode * +zfsctl_inode_lookup(zfs_sb_t *zsb, uint64_t id, + const struct file_operations *fops, const struct inode_operations *ops) +{ + struct inode *ip = NULL; + + while (ip == NULL) { + ip = ilookup(zsb->z_sb, (unsigned long)id); + if (ip) + break; + + /* May fail due to concurrent zfsctl_inode_alloc() */ + ip = zfsctl_inode_alloc(zsb, id, fops, ops); + } + + return (ip); +} + +/* + * Create the '.zfs' directory. This directory is cached as part of the VFS + * structure. This results in a hold on the zfs_sb_t. The code in zfs_umount() + * therefore checks against a vfs_count of 2 instead of 1. This reference + * is removed when the ctldir is destroyed in the unmount. All other entities + * under the '.zfs' directory are created dynamically as needed. + * + * Because the dynamically created '.zfs' directory entries assume the use + * of 64-bit inode numbers this support must be disabled on 32-bit systems. + */ +int +zfsctl_create(zfs_sb_t *zsb) +{ +#if defined(CONFIG_64BIT) + ASSERT(zsb->z_ctldir == NULL); + + zsb->z_ctldir = zfsctl_inode_alloc(zsb, ZFSCTL_INO_ROOT, + &zpl_fops_root, &zpl_ops_root); + if (zsb->z_ctldir == NULL) + return (SET_ERROR(ENOENT)); + + return (0); +#else + return (SET_ERROR(EOPNOTSUPP)); +#endif /* CONFIG_64BIT */ +} + +/* + * Destroy the '.zfs' directory or remove a snapshot from zfs_snapshots_by_name. + * Only called when the filesystem is unmounted. + */ +void +zfsctl_destroy(zfs_sb_t *zsb) +{ + if (zsb->z_issnap) { + zfs_snapentry_t *se; + spa_t *spa = zsb->z_os->os_spa; + uint64_t objsetid = dmu_objset_id(zsb->z_os); + + rw_enter(&zfs_snapshot_lock, RW_WRITER); + if ((se = zfsctl_snapshot_find_by_objsetid(spa, objsetid)) + != NULL) { + zfsctl_snapshot_unmount_cancel(se); + zfsctl_snapshot_remove(se); + zfsctl_snapshot_rele(se); + } + rw_exit(&zfs_snapshot_lock); + } else if (zsb->z_ctldir) { + iput(zsb->z_ctldir); + zsb->z_ctldir = NULL; + } +} + +/* + * Given a root znode, retrieve the associated .zfs directory. + * Add a hold to the vnode and return it. + */ +struct inode * +zfsctl_root(znode_t *zp) +{ + ASSERT(zfs_has_ctldir(zp)); + igrab(ZTOZSB(zp)->z_ctldir); + return (ZTOZSB(zp)->z_ctldir); +} +/* + * Generate a long fid which includes the root object and objset of a + * snapshot but not the generation number. For the root object the + * generation number is ignored when zero to avoid needing to open + * the dataset when generating fids for the snapshot names. + */ +static int +zfsctl_snapdir_fid(struct inode *ip, fid_t *fidp) +{ + zfs_sb_t *zsb = ITOZSB(ip); + zfid_short_t *zfid = (zfid_short_t *)fidp; + zfid_long_t *zlfid = (zfid_long_t *)fidp; + uint32_t gen = 0; + uint64_t object; + uint64_t objsetid; + int i; + + object = zsb->z_root; + objsetid = ZFSCTL_INO_SNAPDIRS - ip->i_ino; + zfid->zf_len = LONG_FID_LEN; + + for (i = 0; i < sizeof (zfid->zf_object); i++) + zfid->zf_object[i] = (uint8_t)(object >> (8 * i)); + + for (i = 0; i < sizeof (zfid->zf_gen); i++) + zfid->zf_gen[i] = (uint8_t)(gen >> (8 * i)); + + for (i = 0; i < sizeof (zlfid->zf_setid); i++) + zlfid->zf_setid[i] = (uint8_t)(objsetid >> (8 * i)); + + for (i = 0; i < sizeof (zlfid->zf_setgen); i++) + zlfid->zf_setgen[i] = 0; + + return (0); +} + +/* + * Generate an appropriate fid for an entry in the .zfs directory. + */ +int +zfsctl_fid(struct inode *ip, fid_t *fidp) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + uint64_t object = zp->z_id; + zfid_short_t *zfid; + int i; + + ZFS_ENTER(zsb); + + if (fidp->fid_len < SHORT_FID_LEN) { + fidp->fid_len = SHORT_FID_LEN; + ZFS_EXIT(zsb); + return (SET_ERROR(ENOSPC)); + } + + if (zfsctl_is_snapdir(ip)) { + ZFS_EXIT(zsb); + return (zfsctl_snapdir_fid(ip, fidp)); + } + + zfid = (zfid_short_t *)fidp; + + zfid->zf_len = SHORT_FID_LEN; + + for (i = 0; i < sizeof (zfid->zf_object); i++) + zfid->zf_object[i] = (uint8_t)(object >> (8 * i)); + + /* .zfs znodes always have a generation number of 0 */ + for (i = 0; i < sizeof (zfid->zf_gen); i++) + zfid->zf_gen[i] = 0; + + ZFS_EXIT(zsb); + return (0); +} + +/* + * Construct a full dataset name in full_name: "pool/dataset@snap_name" + */ +static int +zfsctl_snapshot_name(zfs_sb_t *zsb, const char *snap_name, int len, + char *full_name) +{ + objset_t *os = zsb->z_os; + + if (zfs_component_namecheck(snap_name, NULL, NULL) != 0) + return (SET_ERROR(EILSEQ)); + + dmu_objset_name(os, full_name); + if ((strlen(full_name) + 1 + strlen(snap_name)) >= len) + return (SET_ERROR(ENAMETOOLONG)); + + (void) strcat(full_name, "@"); + (void) strcat(full_name, snap_name); + + return (0); +} + +/* + * Returns full path in full_path: "/pool/dataset/.zfs/snapshot/snap_name/" + */ +static int +zfsctl_snapshot_path(struct path *path, int len, char *full_path) +{ + char *path_buffer, *path_ptr; + int path_len, error = 0; + + path_buffer = kmem_alloc(len, KM_SLEEP); + + path_ptr = d_path(path, path_buffer, len); + if (IS_ERR(path_ptr)) { + error = -PTR_ERR(path_ptr); + goto out; + } + + path_len = path_buffer + len - 1 - path_ptr; + if (path_len > len) { + error = SET_ERROR(EFAULT); + goto out; + } + + memcpy(full_path, path_ptr, path_len); + full_path[path_len] = '\0'; +out: + kmem_free(path_buffer, len); + + return (error); +} + +/* + * Returns full path in full_path: "/pool/dataset/.zfs/snapshot/snap_name/" + */ +static int +zfsctl_snapshot_path_objset(zfs_sb_t *zsb, uint64_t objsetid, + int path_len, char *full_path) +{ + objset_t *os = zsb->z_os; + fstrans_cookie_t cookie; + char *snapname; + boolean_t case_conflict; + uint64_t id, pos = 0; + int error = 0; + + if (zsb->z_mntopts->z_mntpoint == NULL) + return (ENOENT); + + cookie = spl_fstrans_mark(); + snapname = kmem_alloc(MAXNAMELEN, KM_SLEEP); + + while (error == 0) { + dsl_pool_config_enter(dmu_objset_pool(os), FTAG); + error = dmu_snapshot_list_next(zsb->z_os, MAXNAMELEN, + snapname, &id, &pos, &case_conflict); + dsl_pool_config_exit(dmu_objset_pool(os), FTAG); + if (error) + goto out; + + if (id == objsetid) + break; + } + + memset(full_path, 0, path_len); + snprintf(full_path, path_len - 1, "%s/.zfs/snapshot/%s", + zsb->z_mntopts->z_mntpoint, snapname); +out: + kmem_free(snapname, MAXNAMELEN); + spl_fstrans_unmark(cookie); + + return (error); +} + +/* + * Special case the handling of "..". + */ +int +zfsctl_root_lookup(struct inode *dip, char *name, struct inode **ipp, + int flags, cred_t *cr, int *direntflags, pathname_t *realpnp) +{ + zfs_sb_t *zsb = ITOZSB(dip); + int error = 0; + + ZFS_ENTER(zsb); + + if (strcmp(name, "..") == 0) { + *ipp = dip->i_sb->s_root->d_inode; + } else if (strcmp(name, ZFS_SNAPDIR_NAME) == 0) { + *ipp = zfsctl_inode_lookup(zsb, ZFSCTL_INO_SNAPDIR, + &zpl_fops_snapdir, &zpl_ops_snapdir); + } else if (strcmp(name, ZFS_SHAREDIR_NAME) == 0) { + *ipp = zfsctl_inode_lookup(zsb, ZFSCTL_INO_SHARES, + &zpl_fops_shares, &zpl_ops_shares); + } else { + *ipp = NULL; + } + + if (*ipp == NULL) + error = SET_ERROR(ENOENT); + + ZFS_EXIT(zsb); + + return (error); +} + +/* + * Lookup entry point for the 'snapshot' directory. Try to open the + * snapshot if it exist, creating the pseudo filesystem inode as necessary. + * Perform a mount of the associated dataset on top of the inode. + */ +int +zfsctl_snapdir_lookup(struct inode *dip, char *name, struct inode **ipp, + int flags, cred_t *cr, int *direntflags, pathname_t *realpnp) +{ + zfs_sb_t *zsb = ITOZSB(dip); + uint64_t id; + int error; + + ZFS_ENTER(zsb); + + error = dmu_snapshot_lookup(zsb->z_os, name, &id); + if (error) { + ZFS_EXIT(zsb); + return (error); + } + + *ipp = zfsctl_inode_lookup(zsb, ZFSCTL_INO_SNAPDIRS - id, + &simple_dir_operations, &simple_dir_inode_operations); + if (*ipp == NULL) + error = SET_ERROR(ENOENT); + + ZFS_EXIT(zsb); + + return (error); +} + +/* + * Renaming a directory under '.zfs/snapshot' will automatically trigger + * a rename of the snapshot to the new given name. The rename is confined + * to the '.zfs/snapshot' directory snapshots cannot be moved elsewhere. + */ +int +zfsctl_snapdir_rename(struct inode *sdip, char *snm, + struct inode *tdip, char *tnm, cred_t *cr, int flags) +{ + zfs_sb_t *zsb = ITOZSB(sdip); + char *to, *from, *real, *fsname; + int error; + + if (!zfs_admin_snapshot) + return (EACCES); + + ZFS_ENTER(zsb); + + to = kmem_alloc(MAXNAMELEN, KM_SLEEP); + from = kmem_alloc(MAXNAMELEN, KM_SLEEP); + real = kmem_alloc(MAXNAMELEN, KM_SLEEP); + fsname = kmem_alloc(MAXNAMELEN, KM_SLEEP); + + if (zsb->z_case == ZFS_CASE_INSENSITIVE) { + error = dmu_snapshot_realname(zsb->z_os, snm, real, + MAXNAMELEN, NULL); + if (error == 0) { + snm = real; + } else if (error != ENOTSUP) { + goto out; + } + } + + dmu_objset_name(zsb->z_os, fsname); + + error = zfsctl_snapshot_name(ITOZSB(sdip), snm, MAXNAMELEN, from); + if (error == 0) + error = zfsctl_snapshot_name(ITOZSB(tdip), tnm, MAXNAMELEN, to); + if (error == 0) + error = zfs_secpolicy_rename_perms(from, to, cr); + if (error != 0) + goto out; + + /* + * Cannot move snapshots out of the snapdir. + */ + if (sdip != tdip) { + error = SET_ERROR(EINVAL); + goto out; + } + + /* + * No-op when names are identical. + */ + if (strcmp(snm, tnm) == 0) { + error = 0; + goto out; + } + + rw_enter(&zfs_snapshot_lock, RW_WRITER); + + error = dsl_dataset_rename_snapshot(fsname, snm, tnm, B_FALSE); + if (error == 0) + (void) zfsctl_snapshot_rename(snm, tnm); + + rw_exit(&zfs_snapshot_lock); +out: + kmem_free(from, MAXNAMELEN); + kmem_free(to, MAXNAMELEN); + kmem_free(real, MAXNAMELEN); + kmem_free(fsname, MAXNAMELEN); + + ZFS_EXIT(zsb); + + return (error); +} + +/* + * Removing a directory under '.zfs/snapshot' will automatically trigger + * the removal of the snapshot with the given name. + */ +int +zfsctl_snapdir_remove(struct inode *dip, char *name, cred_t *cr, int flags) +{ + zfs_sb_t *zsb = ITOZSB(dip); + char *snapname, *real; + int error; + + if (!zfs_admin_snapshot) + return (EACCES); + + ZFS_ENTER(zsb); + + snapname = kmem_alloc(MAXNAMELEN, KM_SLEEP); + real = kmem_alloc(MAXNAMELEN, KM_SLEEP); + + if (zsb->z_case == ZFS_CASE_INSENSITIVE) { + error = dmu_snapshot_realname(zsb->z_os, name, real, + MAXNAMELEN, NULL); + if (error == 0) { + name = real; + } else if (error != ENOTSUP) { + goto out; + } + } + + error = zfsctl_snapshot_name(ITOZSB(dip), name, MAXNAMELEN, snapname); + if (error == 0) + error = zfs_secpolicy_destroy_perms(snapname, cr); + if (error != 0) + goto out; + + error = zfsctl_snapshot_unmount(snapname, MNT_FORCE); + if ((error == 0) || (error == ENOENT)) + error = dsl_destroy_snapshot(snapname, B_FALSE); +out: + kmem_free(snapname, MAXNAMELEN); + kmem_free(real, MAXNAMELEN); + + ZFS_EXIT(zsb); + + return (error); +} + +/* + * Creating a directory under '.zfs/snapshot' will automatically trigger + * the creation of a new snapshot with the given name. + */ +int +zfsctl_snapdir_mkdir(struct inode *dip, char *dirname, vattr_t *vap, + struct inode **ipp, cred_t *cr, int flags) +{ + zfs_sb_t *zsb = ITOZSB(dip); + char *dsname; + int error; + + if (!zfs_admin_snapshot) + return (EACCES); + + dsname = kmem_alloc(MAXNAMELEN, KM_SLEEP); + + if (zfs_component_namecheck(dirname, NULL, NULL) != 0) { + error = SET_ERROR(EILSEQ); + goto out; + } + + dmu_objset_name(zsb->z_os, dsname); + + error = zfs_secpolicy_snapshot_perms(dsname, cr); + if (error != 0) + goto out; + + if (error == 0) { + error = dmu_objset_snapshot_one(dsname, dirname); + if (error != 0) + goto out; + + error = zfsctl_snapdir_lookup(dip, dirname, ipp, + 0, cr, NULL, NULL); + } +out: + kmem_free(dsname, MAXNAMELEN); + + return (error); +} + +/* + * Attempt to unmount a snapshot by making a call to user space. + * There is no assurance that this can or will succeed, is just a + * best effort. In the case where it does fail, perhaps because + * it's in use, the unmount will fail harmlessly. + */ +int +zfsctl_snapshot_unmount(char *snapname, int flags) +{ + char *argv[] = { "/usr/bin/env", "umount", "-t", "zfs", "-n", NULL, + NULL }; + char *envp[] = { NULL }; + zfs_snapentry_t *se; + int error; + + rw_enter(&zfs_snapshot_lock, RW_READER); + if ((se = zfsctl_snapshot_find_by_name(snapname)) == NULL) { + rw_exit(&zfs_snapshot_lock); + return (ENOENT); + } + rw_exit(&zfs_snapshot_lock); + + if (flags & MNT_FORCE) + argv[4] = "-fn"; + argv[5] = se->se_path; + dprintf("unmount; path=%s\n", se->se_path); + error = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC); + zfsctl_snapshot_rele(se); + + + /* + * The umount system utility will return 256 on error. We must + * assume this error is because the file system is busy so it is + * converted to the more sensible EBUSY. + */ + if (error) + error = SET_ERROR(EBUSY); + + return (error); +} + +#define MOUNT_BUSY 0x80 /* Mount failed due to EBUSY (from mntent.h) */ + +int +zfsctl_snapshot_mount(struct path *path, int flags) +{ + struct dentry *dentry = path->dentry; + struct inode *ip = dentry->d_inode; + zfs_sb_t *zsb; + zfs_sb_t *snap_zsb; + zfs_snapentry_t *se; + char *full_name, *full_path; + char *argv[] = { "/usr/bin/env", "mount", "-t", "zfs", "-n", NULL, NULL, + NULL }; + char *envp[] = { NULL }; + int error; + struct path spath; + + if (ip == NULL) + return (EISDIR); + + zsb = ITOZSB(ip); + ZFS_ENTER(zsb); + + full_name = kmem_zalloc(MAXNAMELEN, KM_SLEEP); + full_path = kmem_zalloc(MAXPATHLEN, KM_SLEEP); + + error = zfsctl_snapshot_name(zsb, dname(dentry), + MAXNAMELEN, full_name); + if (error) + goto error; + + error = zfsctl_snapshot_path(path, MAXPATHLEN, full_path); + if (error) + goto error; + + /* + * Multiple concurrent automounts of a snapshot are never allowed. + * The snapshot may be manually mounted as many times as desired. + */ + if (zfsctl_snapshot_ismounted(full_name)) { + error = 0; + goto error; + } + + /* + * Attempt to mount the snapshot from user space. Normally this + * would be done using the vfs_kern_mount() function, however that + * function is marked GPL-only and cannot be used. On error we + * careful to log the real error to the console and return EISDIR + * to safely abort the automount. This should be very rare. + * + * If the user mode helper happens to return EBUSY, a concurrent + * mount is already in progress in which case the error is ignored. + * Take note that if the program was executed successfully the return + * value from call_usermodehelper() will be (exitcode << 8 + signal). + */ + dprintf("mount; name=%s path=%s\n", full_name, full_path); + argv[5] = full_name; + argv[6] = full_path; + error = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC); + if (error) { + if (!(error & MOUNT_BUSY << 8)) { + cmn_err(CE_WARN, "Unable to automount %s/%s: %d", + full_path, full_name, error); + error = SET_ERROR(EISDIR); + } else { + /* + * EBUSY, this could mean a concurrent mount, or the + * snapshot has already been mounted at completely + * different place. We return 0 so VFS will retry. For + * the latter case the VFS will retry several times + * and return ELOOP, which is probably not a very good + * behavior. + */ + error = 0; + } + goto error; + } + + /* + * Follow down in to the mounted snapshot and set MNT_SHRINKABLE + * to identify this as an automounted filesystem. + */ + spath = *path; + path_get(&spath); + if (zpl_follow_down_one(&spath)) { + snap_zsb = ITOZSB(spath.dentry->d_inode); + snap_zsb->z_parent = zsb; + dentry = spath.dentry; + spath.mnt->mnt_flags |= MNT_SHRINKABLE; + + rw_enter(&zfs_snapshot_lock, RW_WRITER); + se = zfsctl_snapshot_alloc(full_name, full_path, + snap_zsb->z_os->os_spa, dmu_objset_id(snap_zsb->z_os), + dentry); + zfsctl_snapshot_add(se); + zfsctl_snapshot_unmount_delay_impl(se, zfs_expire_snapshot); + rw_exit(&zfs_snapshot_lock); + } + path_put(&spath); +error: + kmem_free(full_name, MAXNAMELEN); + kmem_free(full_path, MAXPATHLEN); + + ZFS_EXIT(zsb); + + return (error); +} + +/* + * Given the objset id of the snapshot return its zfs_sb_t as zsbp. + */ +int +zfsctl_lookup_objset(struct super_block *sb, uint64_t objsetid, zfs_sb_t **zsbp) +{ + zfs_snapentry_t *se; + int error; + spa_t *spa = ((zfs_sb_t *)(sb->s_fs_info))->z_os->os_spa; + + /* + * Verify that the snapshot is mounted then lookup the mounted root + * rather than the covered mount point. This may fail if the + * snapshot has just been unmounted by an unrelated user space + * process. This race cannot occur to an expired mount point + * because we hold the zfs_snapshot_lock to prevent the race. + */ + rw_enter(&zfs_snapshot_lock, RW_READER); + if ((se = zfsctl_snapshot_find_by_objsetid(spa, objsetid)) != NULL) { + zfs_sb_t *zsb; + + zsb = ITOZSB(se->se_root_dentry->d_inode); + ASSERT3U(dmu_objset_id(zsb->z_os), ==, objsetid); + + if (time_after(jiffies, zsb->z_snap_defer_time + + MAX(zfs_expire_snapshot * HZ / 2, HZ))) { + zsb->z_snap_defer_time = jiffies; + zfsctl_snapshot_unmount_cancel(se); + zfsctl_snapshot_unmount_delay_impl(se, + zfs_expire_snapshot); + } + + *zsbp = zsb; + zfsctl_snapshot_rele(se); + error = SET_ERROR(0); + } else { + error = SET_ERROR(ENOENT); + } + rw_exit(&zfs_snapshot_lock); + + /* + * Automount the snapshot given the objset id by constructing the + * full mount point and performing a traversal. + */ + if (error == ENOENT) { + struct path path; + char *mnt; + + mnt = kmem_alloc(MAXPATHLEN, KM_SLEEP); + error = zfsctl_snapshot_path_objset(sb->s_fs_info, objsetid, + MAXPATHLEN, mnt); + if (error) { + kmem_free(mnt, MAXPATHLEN); + return (SET_ERROR(error)); + } + + error = kern_path(mnt, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, &path); + if (error == 0) { + *zsbp = ITOZSB(path.dentry->d_inode); + path_put(&path); + } + + kmem_free(mnt, MAXPATHLEN); + } + + return (error); +} + +int +zfsctl_shares_lookup(struct inode *dip, char *name, struct inode **ipp, + int flags, cred_t *cr, int *direntflags, pathname_t *realpnp) +{ + zfs_sb_t *zsb = ITOZSB(dip); + struct inode *ip; + znode_t *dzp; + int error; + + ZFS_ENTER(zsb); + + if (zsb->z_shares_dir == 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(ENOTSUP)); + } + + error = zfs_zget(zsb, zsb->z_shares_dir, &dzp); + if (error) { + ZFS_EXIT(zsb); + return (error); + } + + error = zfs_lookup(ZTOI(dzp), name, &ip, 0, cr, NULL, NULL); + + iput(ZTOI(dzp)); + ZFS_EXIT(zsb); + + return (error); +} + + +/* + * Initialize the various pieces we'll need to create and manipulate .zfs + * directories. Currently this is unused but available. + */ +void +zfsctl_init(void) +{ + avl_create(&zfs_snapshots_by_name, snapentry_compare_by_name, + sizeof (zfs_snapentry_t), offsetof(zfs_snapentry_t, + se_node_name)); + avl_create(&zfs_snapshots_by_objsetid, snapentry_compare_by_objsetid, + sizeof (zfs_snapentry_t), offsetof(zfs_snapentry_t, + se_node_objsetid)); + rw_init(&zfs_snapshot_lock, NULL, RW_DEFAULT, NULL); + + zfs_expire_taskq = taskq_create("z_unmount", 1, defclsyspri, + 1, 8, TASKQ_PREPOPULATE); +} + +/* + * Cleanup the various pieces we needed for .zfs directories. In particular + * ensure the expiry timer is canceled safely. + */ +void +zfsctl_fini(void) +{ + taskq_destroy(zfs_expire_taskq); + + avl_destroy(&zfs_snapshots_by_name); + avl_destroy(&zfs_snapshots_by_objsetid); + rw_destroy(&zfs_snapshot_lock); +} + +module_param(zfs_admin_snapshot, int, 0644); +MODULE_PARM_DESC(zfs_admin_snapshot, "Enable mkdir/rmdir/mv in .zfs/snapshot"); + +module_param(zfs_expire_snapshot, int, 0644); +MODULE_PARM_DESC(zfs_expire_snapshot, "Seconds to expire .zfs/snapshot"); diff --git a/zfs/module/zfs/zfs_debug.c b/zfs/module/zfs/zfs_debug.c new file mode 100644 index 000000000000..2770359c8b48 --- /dev/null +++ b/zfs/module/zfs/zfs_debug.c @@ -0,0 +1,239 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +#include +#include + +list_t zfs_dbgmsgs; +int zfs_dbgmsg_size = 0; +kmutex_t zfs_dbgmsgs_lock; +int zfs_dbgmsg_maxsize = 4<<20; /* 4MB */ +kstat_t *zfs_dbgmsg_kstat; + +/* + * By default only enable the internal ZFS debug messages when running + * in userspace (ztest). The kernel log must be manually enabled. + * + * # Enable the kernel debug message log. + * echo 1 > /sys/module/zfs/parameters/zfs_dbgmsg_enable + * + * # Clear the kernel debug message log. + * echo 0 >/proc/spl/kstat/zfs/dbgmsg + */ +#if defined(_KERNEL) +int zfs_dbgmsg_enable = 0; +#else +int zfs_dbgmsg_enable = 1; +#endif + +static int +zfs_dbgmsg_headers(char *buf, size_t size) +{ + (void) snprintf(buf, size, "%-12s %-8s\n", "timestamp", "message"); + + return (0); +} + +static int +zfs_dbgmsg_data(char *buf, size_t size, void *data) +{ + zfs_dbgmsg_t *zdm = (zfs_dbgmsg_t *)data; + + (void) snprintf(buf, size, "%-12llu %-s\n", + (u_longlong_t) zdm->zdm_timestamp, zdm->zdm_msg); + + return (0); +} + +static void * +zfs_dbgmsg_addr(kstat_t *ksp, loff_t n) +{ + zfs_dbgmsg_t *zdm = (zfs_dbgmsg_t *)ksp->ks_private; + + ASSERT(MUTEX_HELD(&zfs_dbgmsgs_lock)); + + if (n == 0) + ksp->ks_private = list_head(&zfs_dbgmsgs); + else if (zdm) + ksp->ks_private = list_next(&zfs_dbgmsgs, zdm); + + return (ksp->ks_private); +} + +static void +zfs_dbgmsg_purge(int max_size) +{ + zfs_dbgmsg_t *zdm; + int size; + + ASSERT(MUTEX_HELD(&zfs_dbgmsgs_lock)); + + while (zfs_dbgmsg_size > max_size) { + zdm = list_remove_head(&zfs_dbgmsgs); + if (zdm == NULL) + return; + + size = zdm->zdm_size; + kmem_free(zdm, size); + zfs_dbgmsg_size -= size; + } +} + +static int +zfs_dbgmsg_update(kstat_t *ksp, int rw) +{ + if (rw == KSTAT_WRITE) + zfs_dbgmsg_purge(0); + + return (0); +} + +void +zfs_dbgmsg_init(void) +{ + list_create(&zfs_dbgmsgs, sizeof (zfs_dbgmsg_t), + offsetof(zfs_dbgmsg_t, zdm_node)); + mutex_init(&zfs_dbgmsgs_lock, NULL, MUTEX_DEFAULT, NULL); + + zfs_dbgmsg_kstat = kstat_create("zfs", 0, "dbgmsg", "misc", + KSTAT_TYPE_RAW, 0, KSTAT_FLAG_VIRTUAL); + if (zfs_dbgmsg_kstat) { + zfs_dbgmsg_kstat->ks_lock = &zfs_dbgmsgs_lock; + zfs_dbgmsg_kstat->ks_ndata = UINT32_MAX; + zfs_dbgmsg_kstat->ks_private = NULL; + zfs_dbgmsg_kstat->ks_update = zfs_dbgmsg_update; + kstat_set_raw_ops(zfs_dbgmsg_kstat, zfs_dbgmsg_headers, + zfs_dbgmsg_data, zfs_dbgmsg_addr); + kstat_install(zfs_dbgmsg_kstat); + } +} + +void +zfs_dbgmsg_fini(void) +{ + if (zfs_dbgmsg_kstat) + kstat_delete(zfs_dbgmsg_kstat); + + mutex_enter(&zfs_dbgmsgs_lock); + zfs_dbgmsg_purge(0); + mutex_exit(&zfs_dbgmsgs_lock); + mutex_destroy(&zfs_dbgmsgs_lock); +} + +void +__zfs_dbgmsg(char *buf) +{ + zfs_dbgmsg_t *zdm; + int size; + + size = sizeof (zfs_dbgmsg_t) + strlen(buf); + zdm = kmem_zalloc(size, KM_SLEEP); + zdm->zdm_size = size; + zdm->zdm_timestamp = gethrestime_sec(); + strcpy(zdm->zdm_msg, buf); + + mutex_enter(&zfs_dbgmsgs_lock); + list_insert_tail(&zfs_dbgmsgs, zdm); + zfs_dbgmsg_size += size; + zfs_dbgmsg_purge(MAX(zfs_dbgmsg_maxsize, 0)); + mutex_exit(&zfs_dbgmsgs_lock); +} + +#ifdef _KERNEL +void +__dprintf(const char *file, const char *func, int line, const char *fmt, ...) +{ + const char *newfile; + va_list adx; + size_t size; + char *buf; + char *nl; + + if (!zfs_dbgmsg_enable && !(zfs_flags & ZFS_DEBUG_DPRINTF)) + return; + + size = 1024; + buf = kmem_alloc(size, KM_SLEEP); + + /* + * Get rid of annoying prefix to filename. + */ + newfile = strrchr(file, '/'); + if (newfile != NULL) { + newfile = newfile + 1; /* Get rid of leading / */ + } else { + newfile = file; + } + + va_start(adx, fmt); + (void) vsnprintf(buf, size, fmt, adx); + va_end(adx); + + /* + * Get rid of trailing newline. + */ + nl = strrchr(buf, '\n'); + if (nl != NULL) + *nl = '\0'; + + /* + * To get this data enable the zfs__dprintf trace point as shown: + * + * # Enable zfs__dprintf tracepoint, clear the tracepoint ring buffer + * $ echo 1 > /sys/module/zfs/parameters/zfs_flags + * $ echo 1 > /sys/kernel/debug/tracing/events/zfs/enable + * $ echo 0 > /sys/kernel/debug/tracing/trace + * + * # Dump the ring buffer. + * $ cat /sys/kernel/debug/tracing/trace + */ + if (zfs_flags & ZFS_DEBUG_DPRINTF) + DTRACE_PROBE4(zfs__dprintf, + char *, newfile, char *, func, int, line, char *, buf); + + /* + * To get this data enable the zfs debug log as shown: + * + * # Set zfs_dbgmsg enable, clear the log buffer + * $ echo 1 > /sys/module/zfs/parameters/zfs_dbgmsg_enable + * $ echo 0 > /proc/spl/kstat/zfs/dbgmsg + * + * # Dump the log buffer. + * $ cat /proc/spl/kstat/zfs/dbgmsg + */ + if (zfs_dbgmsg_enable) + __zfs_dbgmsg(buf); + + kmem_free(buf, size); +} +#endif /* _KERNEL */ + +#ifdef _KERNEL +module_param(zfs_dbgmsg_enable, int, 0644); +MODULE_PARM_DESC(zfs_dbgmsg_enable, "Enable ZFS debug message log"); + +module_param(zfs_dbgmsg_maxsize, int, 0644); +MODULE_PARM_DESC(zfs_dbgmsg_maxsize, "Maximum ZFS debug log size"); +#endif diff --git a/zfs/module/zfs/zfs_dir.c b/zfs/module/zfs/zfs_dir.c new file mode 100644 index 000000000000..b3f98ef5b529 --- /dev/null +++ b/zfs/module/zfs/zfs_dir.c @@ -0,0 +1,1100 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "fs/fs_subr.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * zfs_match_find() is used by zfs_dirent_lock() to peform zap lookups + * of names after deciding which is the appropriate lookup interface. + */ +static int +zfs_match_find(zfs_sb_t *zsb, znode_t *dzp, char *name, boolean_t exact, + boolean_t update, int *deflags, pathname_t *rpnp, uint64_t *zoid) +{ + boolean_t conflict = B_FALSE; + int error; + + if (zsb->z_norm) { + matchtype_t mt = MT_FIRST; + size_t bufsz = 0; + char *buf = NULL; + + if (rpnp) { + buf = rpnp->pn_buf; + bufsz = rpnp->pn_bufsize; + } + if (exact) + mt = MT_EXACT; + /* + * In the non-mixed case we only expect there would ever + * be one match, but we need to use the normalizing lookup. + */ + error = zap_lookup_norm(zsb->z_os, dzp->z_id, name, 8, 1, + zoid, mt, buf, bufsz, &conflict); + } else { + error = zap_lookup(zsb->z_os, dzp->z_id, name, 8, 1, zoid); + } + + /* + * Allow multiple entries provided the first entry is + * the object id. Non-zpl consumers may safely make + * use of the additional space. + * + * XXX: This should be a feature flag for compatibility + */ + if (error == EOVERFLOW) + error = 0; + + if (zsb->z_norm && !error && deflags) + *deflags = conflict ? ED_CASE_CONFLICT : 0; + + *zoid = ZFS_DIRENT_OBJ(*zoid); + +#ifdef HAVE_DNLC + if (error == ENOENT && update) + dnlc_update(ZTOI(dzp), name, DNLC_NO_VNODE); +#endif /* HAVE_DNLC */ + + return (error); +} + +/* + * Lock a directory entry. A dirlock on protects that name + * in dzp's directory zap object. As long as you hold a dirlock, you can + * assume two things: (1) dzp cannot be reaped, and (2) no other thread + * can change the zap entry for (i.e. link or unlink) this name. + * + * Input arguments: + * dzp - znode for directory + * name - name of entry to lock + * flag - ZNEW: if the entry already exists, fail with EEXIST. + * ZEXISTS: if the entry does not exist, fail with ENOENT. + * ZSHARED: allow concurrent access with other ZSHARED callers. + * ZXATTR: we want dzp's xattr directory + * ZCILOOK: On a mixed sensitivity file system, + * this lookup should be case-insensitive. + * ZCIEXACT: On a purely case-insensitive file system, + * this lookup should be case-sensitive. + * ZRENAMING: we are locking for renaming, force narrow locks + * ZHAVELOCK: Don't grab the z_name_lock for this call. The + * current thread already holds it. + * + * Output arguments: + * zpp - pointer to the znode for the entry (NULL if there isn't one) + * dlpp - pointer to the dirlock for this entry (NULL on error) + * direntflags - (case-insensitive lookup only) + * flags if multiple case-sensitive matches exist in directory + * realpnp - (case-insensitive lookup only) + * actual name matched within the directory + * + * Return value: 0 on success or errno on failure. + * + * NOTE: Always checks for, and rejects, '.' and '..'. + * NOTE: For case-insensitive file systems we take wide locks (see below), + * but return znode pointers to a single match. + */ +int +zfs_dirent_lock(zfs_dirlock_t **dlpp, znode_t *dzp, char *name, znode_t **zpp, + int flag, int *direntflags, pathname_t *realpnp) +{ + zfs_sb_t *zsb = ZTOZSB(dzp); + zfs_dirlock_t *dl; + boolean_t update; + boolean_t exact; + uint64_t zoid; +#ifdef HAVE_DNLC + vnode_t *vp = NULL; +#endif /* HAVE_DNLC */ + int error = 0; + int cmpflags; + + *zpp = NULL; + *dlpp = NULL; + + /* + * Verify that we are not trying to lock '.', '..', or '.zfs' + */ + if ((name[0] == '.' && + (name[1] == '\0' || (name[1] == '.' && name[2] == '\0'))) || + (zfs_has_ctldir(dzp) && strcmp(name, ZFS_CTLDIR_NAME) == 0)) + return (SET_ERROR(EEXIST)); + + /* + * Case sensitivity and normalization preferences are set when + * the file system is created. These are stored in the + * zsb->z_case and zsb->z_norm fields. These choices + * affect what vnodes can be cached in the DNLC, how we + * perform zap lookups, and the "width" of our dirlocks. + * + * A normal dirlock locks a single name. Note that with + * normalization a name can be composed multiple ways, but + * when normalized, these names all compare equal. A wide + * dirlock locks multiple names. We need these when the file + * system is supporting mixed-mode access. It is sometimes + * necessary to lock all case permutations of file name at + * once so that simultaneous case-insensitive/case-sensitive + * behaves as rationally as possible. + */ + + /* + * Decide if exact matches should be requested when performing + * a zap lookup on file systems supporting case-insensitive + * access. + */ + exact = + ((zsb->z_case == ZFS_CASE_INSENSITIVE) && (flag & ZCIEXACT)) || + ((zsb->z_case == ZFS_CASE_MIXED) && !(flag & ZCILOOK)); + + /* + * Only look in or update the DNLC if we are looking for the + * name on a file system that does not require normalization + * or case folding. We can also look there if we happen to be + * on a non-normalizing, mixed sensitivity file system IF we + * are looking for the exact name. + * + * Maybe can add TO-UPPERed version of name to dnlc in ci-only + * case for performance improvement? + */ + update = !zsb->z_norm || + ((zsb->z_case == ZFS_CASE_MIXED) && + !(zsb->z_norm & ~U8_TEXTPREP_TOUPPER) && !(flag & ZCILOOK)); + + /* + * ZRENAMING indicates we are in a situation where we should + * take narrow locks regardless of the file system's + * preferences for normalizing and case folding. This will + * prevent us deadlocking trying to grab the same wide lock + * twice if the two names happen to be case-insensitive + * matches. + */ + if (flag & ZRENAMING) + cmpflags = 0; + else + cmpflags = zsb->z_norm; + + /* + * Wait until there are no locks on this name. + * + * Don't grab the the lock if it is already held. However, cannot + * have both ZSHARED and ZHAVELOCK together. + */ + ASSERT(!(flag & ZSHARED) || !(flag & ZHAVELOCK)); + if (!(flag & ZHAVELOCK)) + rw_enter(&dzp->z_name_lock, RW_READER); + + mutex_enter(&dzp->z_lock); + for (;;) { + if (dzp->z_unlinked) { + mutex_exit(&dzp->z_lock); + if (!(flag & ZHAVELOCK)) + rw_exit(&dzp->z_name_lock); + return (SET_ERROR(ENOENT)); + } + for (dl = dzp->z_dirlocks; dl != NULL; dl = dl->dl_next) { + if ((u8_strcmp(name, dl->dl_name, 0, cmpflags, + U8_UNICODE_LATEST, &error) == 0) || error != 0) + break; + } + if (error != 0) { + mutex_exit(&dzp->z_lock); + if (!(flag & ZHAVELOCK)) + rw_exit(&dzp->z_name_lock); + return (SET_ERROR(ENOENT)); + } + if (dl == NULL) { + /* + * Allocate a new dirlock and add it to the list. + */ + dl = kmem_alloc(sizeof (zfs_dirlock_t), KM_SLEEP); + cv_init(&dl->dl_cv, NULL, CV_DEFAULT, NULL); + dl->dl_name = name; + dl->dl_sharecnt = 0; + dl->dl_namelock = 0; + dl->dl_namesize = 0; + dl->dl_dzp = dzp; + dl->dl_next = dzp->z_dirlocks; + dzp->z_dirlocks = dl; + break; + } + if ((flag & ZSHARED) && dl->dl_sharecnt != 0) + break; + cv_wait(&dl->dl_cv, &dzp->z_lock); + } + + /* + * If the z_name_lock was NOT held for this dirlock record it. + */ + if (flag & ZHAVELOCK) + dl->dl_namelock = 1; + + if ((flag & ZSHARED) && ++dl->dl_sharecnt > 1 && dl->dl_namesize == 0) { + /* + * We're the second shared reference to dl. Make a copy of + * dl_name in case the first thread goes away before we do. + * Note that we initialize the new name before storing its + * pointer into dl_name, because the first thread may load + * dl->dl_name at any time. He'll either see the old value, + * which is his, or the new shared copy; either is OK. + */ + dl->dl_namesize = strlen(dl->dl_name) + 1; + name = kmem_alloc(dl->dl_namesize, KM_SLEEP); + bcopy(dl->dl_name, name, dl->dl_namesize); + dl->dl_name = name; + } + + mutex_exit(&dzp->z_lock); + + /* + * We have a dirlock on the name. (Note that it is the dirlock, + * not the dzp's z_lock, that protects the name in the zap object.) + * See if there's an object by this name; if so, put a hold on it. + */ + if (flag & ZXATTR) { + error = sa_lookup(dzp->z_sa_hdl, SA_ZPL_XATTR(zsb), &zoid, + sizeof (zoid)); + if (error == 0) + error = (zoid == 0 ? SET_ERROR(ENOENT) : 0); + } else { +#ifdef HAVE_DNLC + if (update) + vp = dnlc_lookup(ZTOI(dzp), name); + if (vp == DNLC_NO_VNODE) { + iput(vp); + error = SET_ERROR(ENOENT); + } else if (vp) { + if (flag & ZNEW) { + zfs_dirent_unlock(dl); + iput(vp); + return (SET_ERROR(EEXIST)); + } + *dlpp = dl; + *zpp = VTOZ(vp); + return (0); + } else { + error = zfs_match_find(zsb, dzp, name, exact, + update, direntflags, realpnp, &zoid); + } +#else + error = zfs_match_find(zsb, dzp, name, exact, + update, direntflags, realpnp, &zoid); +#endif /* HAVE_DNLC */ + } + if (error) { + if (error != ENOENT || (flag & ZEXISTS)) { + zfs_dirent_unlock(dl); + return (error); + } + } else { + if (flag & ZNEW) { + zfs_dirent_unlock(dl); + return (SET_ERROR(EEXIST)); + } + error = zfs_zget(zsb, zoid, zpp); + if (error) { + zfs_dirent_unlock(dl); + return (error); + } +#ifdef HAVE_DNLC + if (!(flag & ZXATTR) && update) + dnlc_update(ZTOI(dzp), name, ZTOI(*zpp)); +#endif /* HAVE_DNLC */ + } + + *dlpp = dl; + + return (0); +} + +/* + * Unlock this directory entry and wake anyone who was waiting for it. + */ +void +zfs_dirent_unlock(zfs_dirlock_t *dl) +{ + znode_t *dzp = dl->dl_dzp; + zfs_dirlock_t **prev_dl, *cur_dl; + + mutex_enter(&dzp->z_lock); + + if (!dl->dl_namelock) + rw_exit(&dzp->z_name_lock); + + if (dl->dl_sharecnt > 1) { + dl->dl_sharecnt--; + mutex_exit(&dzp->z_lock); + return; + } + prev_dl = &dzp->z_dirlocks; + while ((cur_dl = *prev_dl) != dl) + prev_dl = &cur_dl->dl_next; + *prev_dl = dl->dl_next; + cv_broadcast(&dl->dl_cv); + mutex_exit(&dzp->z_lock); + + if (dl->dl_namesize != 0) + kmem_free(dl->dl_name, dl->dl_namesize); + cv_destroy(&dl->dl_cv); + kmem_free(dl, sizeof (*dl)); +} + +/* + * Look up an entry in a directory. + * + * NOTE: '.' and '..' are handled as special cases because + * no directory entries are actually stored for them. If this is + * the root of a filesystem, then '.zfs' is also treated as a + * special pseudo-directory. + */ +int +zfs_dirlook(znode_t *dzp, char *name, struct inode **ipp, int flags, + int *deflg, pathname_t *rpnp) +{ + zfs_dirlock_t *dl; + znode_t *zp; + int error = 0; + uint64_t parent; + + if (name[0] == 0 || (name[0] == '.' && name[1] == 0)) { + *ipp = ZTOI(dzp); + igrab(*ipp); + } else if (name[0] == '.' && name[1] == '.' && name[2] == 0) { + zfs_sb_t *zsb = ZTOZSB(dzp); + + /* + * If we are a snapshot mounted under .zfs, return + * the inode pointer for the snapshot directory. + */ + if ((error = sa_lookup(dzp->z_sa_hdl, + SA_ZPL_PARENT(zsb), &parent, sizeof (parent))) != 0) + return (error); + + if (parent == dzp->z_id && zsb->z_parent != zsb) { + error = zfsctl_root_lookup(zsb->z_parent->z_ctldir, + "snapshot", ipp, 0, kcred, NULL, NULL); + return (error); + } + rw_enter(&dzp->z_parent_lock, RW_READER); + error = zfs_zget(zsb, parent, &zp); + if (error == 0) + *ipp = ZTOI(zp); + rw_exit(&dzp->z_parent_lock); + } else if (zfs_has_ctldir(dzp) && strcmp(name, ZFS_CTLDIR_NAME) == 0) { + *ipp = zfsctl_root(dzp); + } else { + int zf; + + zf = ZEXISTS | ZSHARED; + if (flags & FIGNORECASE) + zf |= ZCILOOK; + + error = zfs_dirent_lock(&dl, dzp, name, &zp, zf, deflg, rpnp); + if (error == 0) { + *ipp = ZTOI(zp); + zfs_dirent_unlock(dl); + dzp->z_zn_prefetch = B_TRUE; /* enable prefetching */ + } + rpnp = NULL; + } + + if ((flags & FIGNORECASE) && rpnp && !error) + (void) strlcpy(rpnp->pn_buf, name, rpnp->pn_bufsize); + + return (error); +} + +/* + * unlinked Set (formerly known as the "delete queue") Error Handling + * + * When dealing with the unlinked set, we dmu_tx_hold_zap(), but we + * don't specify the name of the entry that we will be manipulating. We + * also fib and say that we won't be adding any new entries to the + * unlinked set, even though we might (this is to lower the minimum file + * size that can be deleted in a full filesystem). So on the small + * chance that the nlink list is using a fat zap (ie. has more than + * 2000 entries), we *may* not pre-read a block that's needed. + * Therefore it is remotely possible for some of the assertions + * regarding the unlinked set below to fail due to i/o error. On a + * nondebug system, this will result in the space being leaked. + */ +void +zfs_unlinked_add(znode_t *zp, dmu_tx_t *tx) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + + ASSERT(zp->z_unlinked); + ASSERT(zp->z_links == 0); + + VERIFY3U(0, ==, + zap_add_int(zsb->z_os, zsb->z_unlinkedobj, zp->z_id, tx)); +} + +/* + * Clean up any znodes that had no links when we either crashed or + * (force) umounted the file system. + */ +void +zfs_unlinked_drain(zfs_sb_t *zsb) +{ + zap_cursor_t zc; + zap_attribute_t zap; + dmu_object_info_t doi; + znode_t *zp; + int error; + + /* + * Iterate over the contents of the unlinked set. + */ + for (zap_cursor_init(&zc, zsb->z_os, zsb->z_unlinkedobj); + zap_cursor_retrieve(&zc, &zap) == 0; + zap_cursor_advance(&zc)) { + + /* + * See what kind of object we have in list + */ + + error = dmu_object_info(zsb->z_os, zap.za_first_integer, &doi); + if (error != 0) + continue; + + ASSERT((doi.doi_type == DMU_OT_PLAIN_FILE_CONTENTS) || + (doi.doi_type == DMU_OT_DIRECTORY_CONTENTS)); + /* + * We need to re-mark these list entries for deletion, + * so we pull them back into core and set zp->z_unlinked. + */ + error = zfs_zget(zsb, zap.za_first_integer, &zp); + + /* + * We may pick up znodes that are already marked for deletion. + * This could happen during the purge of an extended attribute + * directory. All we need to do is skip over them, since they + * are already in the system marked z_unlinked. + */ + if (error != 0) + continue; + + zp->z_unlinked = B_TRUE; + iput(ZTOI(zp)); + } + zap_cursor_fini(&zc); +} + +/* + * Delete the entire contents of a directory. Return a count + * of the number of entries that could not be deleted. If we encounter + * an error, return a count of at least one so that the directory stays + * in the unlinked set. + * + * NOTE: this function assumes that the directory is inactive, + * so there is no need to lock its entries before deletion. + * Also, it assumes the directory contents is *only* regular + * files. + */ +static int +zfs_purgedir(znode_t *dzp) +{ + zap_cursor_t zc; + zap_attribute_t zap; + znode_t *xzp; + dmu_tx_t *tx; + zfs_sb_t *zsb = ZTOZSB(dzp); + zfs_dirlock_t dl; + int skipped = 0; + int error; + + for (zap_cursor_init(&zc, zsb->z_os, dzp->z_id); + (error = zap_cursor_retrieve(&zc, &zap)) == 0; + zap_cursor_advance(&zc)) { + error = zfs_zget(zsb, + ZFS_DIRENT_OBJ(zap.za_first_integer), &xzp); + if (error) { + skipped += 1; + continue; + } + + ASSERT(S_ISREG(ZTOI(xzp)->i_mode) || + S_ISLNK(ZTOI(xzp)->i_mode)); + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa(tx, dzp->z_sa_hdl, B_FALSE); + dmu_tx_hold_zap(tx, dzp->z_id, FALSE, zap.za_name); + dmu_tx_hold_sa(tx, xzp->z_sa_hdl, B_FALSE); + dmu_tx_hold_zap(tx, zsb->z_unlinkedobj, FALSE, NULL); + /* Is this really needed ? */ + zfs_sa_upgrade_txholds(tx, xzp); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + zfs_iput_async(ZTOI(xzp)); + skipped += 1; + continue; + } + bzero(&dl, sizeof (dl)); + dl.dl_dzp = dzp; + dl.dl_name = zap.za_name; + + error = zfs_link_destroy(&dl, xzp, tx, 0, NULL); + if (error) + skipped += 1; + dmu_tx_commit(tx); + set_nlink(ZTOI(xzp), xzp->z_links); + zfs_iput_async(ZTOI(xzp)); + } + zap_cursor_fini(&zc); + if (error != ENOENT) + skipped += 1; + return (skipped); +} + +void +zfs_rmnode(znode_t *zp) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + objset_t *os = zsb->z_os; + znode_t *xzp = NULL; + dmu_tx_t *tx; + uint64_t acl_obj; + uint64_t xattr_obj; + int error; + + ASSERT(zp->z_links == 0); + ASSERT(atomic_read(&ZTOI(zp)->i_count) == 0); + + /* + * If this is an attribute directory, purge its contents. + */ + if (S_ISDIR(ZTOI(zp)->i_mode) && (zp->z_pflags & ZFS_XATTR)) { + if (zfs_purgedir(zp) != 0) { + /* + * Not enough space to delete some xattrs. + * Leave it in the unlinked set. + */ + zfs_znode_dmu_fini(zp); + + return; + } + } + + /* + * Free up all the data in the file. We don't do this for directories + * because we need truncate and remove to be in the same tx, like in + * zfs_znode_delete(). Otherwise, if we crash here we'll end up with + * an inconsistent truncated zap object in the delete queue. Note a + * truncated file is harmless since it only contains user data. + */ + if (S_ISREG(ZTOI(zp)->i_mode)) { + error = dmu_free_long_range(os, zp->z_id, 0, DMU_OBJECT_END); + if (error) { + /* + * Not enough space. Leave the file in the unlinked + * set. + */ + zfs_znode_dmu_fini(zp); + return; + } + } + + /* + * If the file has extended attributes, we're going to unlink + * the xattr dir. + */ + error = sa_lookup(zp->z_sa_hdl, SA_ZPL_XATTR(zsb), + &xattr_obj, sizeof (xattr_obj)); + if (error == 0 && xattr_obj) { + error = zfs_zget(zsb, xattr_obj, &xzp); + ASSERT(error == 0); + } + + acl_obj = zfs_external_acl(zp); + + /* + * Set up the final transaction. + */ + tx = dmu_tx_create(os); + dmu_tx_hold_free(tx, zp->z_id, 0, DMU_OBJECT_END); + dmu_tx_hold_zap(tx, zsb->z_unlinkedobj, FALSE, NULL); + if (xzp) { + dmu_tx_hold_zap(tx, zsb->z_unlinkedobj, TRUE, NULL); + dmu_tx_hold_sa(tx, xzp->z_sa_hdl, B_FALSE); + } + if (acl_obj) + dmu_tx_hold_free(tx, acl_obj, 0, DMU_OBJECT_END); + + zfs_sa_upgrade_txholds(tx, zp); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + /* + * Not enough space to delete the file. Leave it in the + * unlinked set, leaking it until the fs is remounted (at + * which point we'll call zfs_unlinked_drain() to process it). + */ + dmu_tx_abort(tx); + zfs_znode_dmu_fini(zp); + goto out; + } + + if (xzp) { + ASSERT(error == 0); + mutex_enter(&xzp->z_lock); + xzp->z_unlinked = B_TRUE; /* mark xzp for deletion */ + xzp->z_links = 0; /* no more links to it */ + set_nlink(ZTOI(xzp), 0); /* this will let iput purge us */ + VERIFY(0 == sa_update(xzp->z_sa_hdl, SA_ZPL_LINKS(zsb), + &xzp->z_links, sizeof (xzp->z_links), tx)); + mutex_exit(&xzp->z_lock); + zfs_unlinked_add(xzp, tx); + } + + /* Remove this znode from the unlinked set */ + VERIFY3U(0, ==, + zap_remove_int(zsb->z_os, zsb->z_unlinkedobj, zp->z_id, tx)); + + zfs_znode_delete(zp, tx); + + dmu_tx_commit(tx); +out: + if (xzp) + zfs_iput_async(ZTOI(xzp)); +} + +static uint64_t +zfs_dirent(znode_t *zp, uint64_t mode) +{ + uint64_t de = zp->z_id; + + if (ZTOZSB(zp)->z_version >= ZPL_VERSION_DIRENT_TYPE) + de |= IFTODT(mode) << 60; + return (de); +} + +/* + * Link zp into dl. Can only fail if zp has been unlinked. + */ +int +zfs_link_create(zfs_dirlock_t *dl, znode_t *zp, dmu_tx_t *tx, int flag) +{ + znode_t *dzp = dl->dl_dzp; + zfs_sb_t *zsb = ZTOZSB(zp); + uint64_t value; + int zp_is_dir = S_ISDIR(ZTOI(zp)->i_mode); + sa_bulk_attr_t bulk[5]; + uint64_t mtime[2], ctime[2]; + int count = 0; + int error; + + mutex_enter(&zp->z_lock); + + if (!(flag & ZRENAMING)) { + if (zp->z_unlinked) { /* no new links to unlinked zp */ + ASSERT(!(flag & (ZNEW | ZEXISTS))); + mutex_exit(&zp->z_lock); + return (SET_ERROR(ENOENT)); + } + zp->z_links++; + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zsb), NULL, + &zp->z_links, sizeof (zp->z_links)); + + } + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_PARENT(zsb), NULL, + &dzp->z_id, sizeof (dzp->z_id)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, + &zp->z_pflags, sizeof (zp->z_pflags)); + + if (!(flag & ZNEW)) { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, + ctime, sizeof (ctime)); + zfs_tstamp_update_setup(zp, STATE_CHANGED, mtime, + ctime); + } + error = sa_bulk_update(zp->z_sa_hdl, bulk, count, tx); + ASSERT(error == 0); + + mutex_exit(&zp->z_lock); + + mutex_enter(&dzp->z_lock); + dzp->z_size++; + dzp->z_links += zp_is_dir; + count = 0; + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zsb), NULL, + &dzp->z_size, sizeof (dzp->z_size)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zsb), NULL, + &dzp->z_links, sizeof (dzp->z_links)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), NULL, + mtime, sizeof (mtime)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, + ctime, sizeof (ctime)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, + &dzp->z_pflags, sizeof (dzp->z_pflags)); + zfs_tstamp_update_setup(dzp, CONTENT_MODIFIED, mtime, ctime); + error = sa_bulk_update(dzp->z_sa_hdl, bulk, count, tx); + ASSERT(error == 0); + mutex_exit(&dzp->z_lock); + + value = zfs_dirent(zp, zp->z_mode); + error = zap_add(ZTOZSB(zp)->z_os, dzp->z_id, dl->dl_name, + 8, 1, &value, tx); + ASSERT(error == 0); + + return (0); +} + +static int +zfs_dropname(zfs_dirlock_t *dl, znode_t *zp, znode_t *dzp, dmu_tx_t *tx, + int flag) +{ + int error; + + if (ZTOZSB(zp)->z_norm) { + if (((ZTOZSB(zp)->z_case == ZFS_CASE_INSENSITIVE) && + (flag & ZCIEXACT)) || + ((ZTOZSB(zp)->z_case == ZFS_CASE_MIXED) && + !(flag & ZCILOOK))) + error = zap_remove_norm(ZTOZSB(zp)->z_os, + dzp->z_id, dl->dl_name, MT_EXACT, tx); + else + error = zap_remove_norm(ZTOZSB(zp)->z_os, + dzp->z_id, dl->dl_name, MT_FIRST, tx); + } else { + error = zap_remove(ZTOZSB(zp)->z_os, + dzp->z_id, dl->dl_name, tx); + } + + return (error); +} + +/* + * Unlink zp from dl, and mark zp for deletion if this was the last link. Can + * fail if zp is a mount point (EBUSY) or a non-empty directory (ENOTEMPTY). + * If 'unlinkedp' is NULL, we put unlinked znodes on the unlinked list. + * If it's non-NULL, we use it to indicate whether the znode needs deletion, + * and it's the caller's job to do it. + */ +int +zfs_link_destroy(zfs_dirlock_t *dl, znode_t *zp, dmu_tx_t *tx, int flag, + boolean_t *unlinkedp) +{ + znode_t *dzp = dl->dl_dzp; + zfs_sb_t *zsb = ZTOZSB(dzp); + int zp_is_dir = S_ISDIR(ZTOI(zp)->i_mode); + boolean_t unlinked = B_FALSE; + sa_bulk_attr_t bulk[5]; + uint64_t mtime[2], ctime[2]; + int count = 0; + int error; + +#ifdef HAVE_DNLC + dnlc_remove(ZTOI(dzp), dl->dl_name); +#endif /* HAVE_DNLC */ + + if (!(flag & ZRENAMING)) { + mutex_enter(&zp->z_lock); + + if (zp_is_dir && !zfs_dirempty(zp)) { + mutex_exit(&zp->z_lock); + return (SET_ERROR(ENOTEMPTY)); + } + + /* + * If we get here, we are going to try to remove the object. + * First try removing the name from the directory; if that + * fails, return the error. + */ + error = zfs_dropname(dl, zp, dzp, tx, flag); + if (error != 0) { + mutex_exit(&zp->z_lock); + return (error); + } + + if (zp->z_links <= zp_is_dir) { + zfs_panic_recover("zfs: link count on %lu is %u, " + "should be at least %u", zp->z_id, + (int)zp->z_links, zp_is_dir + 1); + zp->z_links = zp_is_dir + 1; + } + if (--zp->z_links == zp_is_dir) { + zp->z_unlinked = B_TRUE; + zp->z_links = 0; + unlinked = B_TRUE; + } else { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), + NULL, &ctime, sizeof (ctime)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), + NULL, &zp->z_pflags, sizeof (zp->z_pflags)); + zfs_tstamp_update_setup(zp, STATE_CHANGED, mtime, + ctime); + } + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zsb), + NULL, &zp->z_links, sizeof (zp->z_links)); + error = sa_bulk_update(zp->z_sa_hdl, bulk, count, tx); + count = 0; + ASSERT(error == 0); + mutex_exit(&zp->z_lock); + } else { + error = zfs_dropname(dl, zp, dzp, tx, flag); + if (error != 0) + return (error); + } + + mutex_enter(&dzp->z_lock); + dzp->z_size--; /* one dirent removed */ + dzp->z_links -= zp_is_dir; /* ".." link from zp */ + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zsb), + NULL, &dzp->z_links, sizeof (dzp->z_links)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zsb), + NULL, &dzp->z_size, sizeof (dzp->z_size)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), + NULL, ctime, sizeof (ctime)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), + NULL, mtime, sizeof (mtime)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), + NULL, &dzp->z_pflags, sizeof (dzp->z_pflags)); + zfs_tstamp_update_setup(dzp, CONTENT_MODIFIED, mtime, ctime); + error = sa_bulk_update(dzp->z_sa_hdl, bulk, count, tx); + ASSERT(error == 0); + mutex_exit(&dzp->z_lock); + + if (unlinkedp != NULL) + *unlinkedp = unlinked; + else if (unlinked) + zfs_unlinked_add(zp, tx); + + return (0); +} + +/* + * Indicate whether the directory is empty. Works with or without z_lock + * held, but can only be consider a hint in the latter case. Returns true + * if only "." and ".." remain and there's no work in progress. + */ +boolean_t +zfs_dirempty(znode_t *dzp) +{ + return (dzp->z_size == 2 && dzp->z_dirlocks == 0); +} + +int +zfs_make_xattrdir(znode_t *zp, vattr_t *vap, struct inode **xipp, cred_t *cr) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + znode_t *xzp; + dmu_tx_t *tx; + int error; + zfs_acl_ids_t acl_ids; + boolean_t fuid_dirtied; +#ifdef DEBUG + uint64_t parent; +#endif + + *xipp = NULL; + + if ((error = zfs_zaccess(zp, ACE_WRITE_NAMED_ATTRS, 0, B_FALSE, cr))) + return (error); + + if ((error = zfs_acl_ids_create(zp, IS_XATTR, vap, cr, NULL, + &acl_ids)) != 0) + return (error); + if (zfs_acl_ids_overquota(zsb, &acl_ids)) { + zfs_acl_ids_free(&acl_ids); + return (SET_ERROR(EDQUOT)); + } + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa_create(tx, acl_ids.z_aclp->z_acl_bytes + + ZFS_SA_BASE_ATTR_SIZE); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); + fuid_dirtied = zsb->z_fuid_dirty; + if (fuid_dirtied) + zfs_fuid_txhold(zsb, tx); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + zfs_acl_ids_free(&acl_ids); + dmu_tx_abort(tx); + return (error); + } + zfs_mknode(zp, vap, tx, cr, IS_XATTR, &xzp, &acl_ids); + + if (fuid_dirtied) + zfs_fuid_sync(zsb, tx); + +#ifdef DEBUG + error = sa_lookup(xzp->z_sa_hdl, SA_ZPL_PARENT(zsb), + &parent, sizeof (parent)); + ASSERT(error == 0 && parent == zp->z_id); +#endif + + VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_XATTR(zsb), &xzp->z_id, + sizeof (xzp->z_id), tx)); + + (void) zfs_log_create(zsb->z_log, tx, TX_MKXATTR, zp, + xzp, "", NULL, acl_ids.z_fuidp, vap); + + zfs_acl_ids_free(&acl_ids); + dmu_tx_commit(tx); + + *xipp = ZTOI(xzp); + + return (0); +} + +/* + * Return a znode for the extended attribute directory for zp. + * ** If the directory does not already exist, it is created ** + * + * IN: zp - znode to obtain attribute directory from + * cr - credentials of caller + * flags - flags from the VOP_LOOKUP call + * + * OUT: xipp - pointer to extended attribute znode + * + * RETURN: 0 on success + * error number on failure + */ +int +zfs_get_xattrdir(znode_t *zp, struct inode **xipp, cred_t *cr, int flags) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + znode_t *xzp; + zfs_dirlock_t *dl; + vattr_t va; + int error; +top: + error = zfs_dirent_lock(&dl, zp, "", &xzp, ZXATTR, NULL, NULL); + if (error) + return (error); + + if (xzp != NULL) { + *xipp = ZTOI(xzp); + zfs_dirent_unlock(dl); + return (0); + } + + if (!(flags & CREATE_XATTR_DIR)) { + zfs_dirent_unlock(dl); + return (SET_ERROR(ENOENT)); + } + + if (zfs_is_readonly(zsb)) { + zfs_dirent_unlock(dl); + return (SET_ERROR(EROFS)); + } + + /* + * The ability to 'create' files in an attribute + * directory comes from the write_xattr permission on the base file. + * + * The ability to 'search' an attribute directory requires + * read_xattr permission on the base file. + * + * Once in a directory the ability to read/write attributes + * is controlled by the permissions on the attribute file. + */ + va.va_mask = ATTR_MODE | ATTR_UID | ATTR_GID; + va.va_mode = S_IFDIR | S_ISVTX | 0777; + zfs_fuid_map_ids(zp, cr, &va.va_uid, &va.va_gid); + + va.va_dentry = NULL; + error = zfs_make_xattrdir(zp, &va, xipp, cr); + zfs_dirent_unlock(dl); + + if (error == ERESTART) { + /* NB: we already did dmu_tx_wait() if necessary */ + goto top; + } + + return (error); +} + +/* + * Decide whether it is okay to remove within a sticky directory. + * + * In sticky directories, write access is not sufficient; + * you can remove entries from a directory only if: + * + * you own the directory, + * you own the entry, + * the entry is a plain file and you have write access, + * or you are privileged (checked in secpolicy...). + * + * The function returns 0 if remove access is granted. + */ +int +zfs_sticky_remove_access(znode_t *zdp, znode_t *zp, cred_t *cr) +{ + uid_t uid; + uid_t downer; + uid_t fowner; + zfs_sb_t *zsb = ZTOZSB(zdp); + + if (zsb->z_replay) + return (0); + + if ((zdp->z_mode & S_ISVTX) == 0) + return (0); + + downer = zfs_fuid_map_id(zsb, zdp->z_uid, cr, ZFS_OWNER); + fowner = zfs_fuid_map_id(zsb, zp->z_uid, cr, ZFS_OWNER); + + if ((uid = crgetuid(cr)) == downer || uid == fowner || + (S_ISDIR(ZTOI(zp)->i_mode) && + zfs_zaccess(zp, ACE_WRITE_DATA, 0, B_FALSE, cr) == 0)) + return (0); + else + return (secpolicy_vnode_remove(cr)); +} diff --git a/zfs/module/zfs/zfs_fm.c b/zfs/module/zfs/zfs_fm.c new file mode 100644 index 000000000000..c7b7180009c8 --- /dev/null +++ b/zfs/module/zfs/zfs_fm.c @@ -0,0 +1,936 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +/* + * This general routine is responsible for generating all the different ZFS + * ereports. The payload is dependent on the class, and which arguments are + * supplied to the function: + * + * EREPORT POOL VDEV IO + * block X X X + * data X X + * device X X + * pool X + * + * If we are in a loading state, all errors are chained together by the same + * SPA-wide ENA (Error Numeric Association). + * + * For isolated I/O requests, we get the ENA from the zio_t. The propagation + * gets very complicated due to RAID-Z, gang blocks, and vdev caching. We want + * to chain together all ereports associated with a logical piece of data. For + * read I/Os, there are basically three 'types' of I/O, which form a roughly + * layered diagram: + * + * +---------------+ + * | Aggregate I/O | No associated logical data or device + * +---------------+ + * | + * V + * +---------------+ Reads associated with a piece of logical data. + * | Read I/O | This includes reads on behalf of RAID-Z, + * +---------------+ mirrors, gang blocks, retries, etc. + * | + * V + * +---------------+ Reads associated with a particular device, but + * | Physical I/O | no logical data. Issued as part of vdev caching + * +---------------+ and I/O aggregation. + * + * Note that 'physical I/O' here is not the same terminology as used in the rest + * of ZIO. Typically, 'physical I/O' simply means that there is no attached + * blockpointer. But I/O with no associated block pointer can still be related + * to a logical piece of data (i.e. RAID-Z requests). + * + * Purely physical I/O always have unique ENAs. They are not related to a + * particular piece of logical data, and therefore cannot be chained together. + * We still generate an ereport, but the DE doesn't correlate it with any + * logical piece of data. When such an I/O fails, the delegated I/O requests + * will issue a retry, which will trigger the 'real' ereport with the correct + * ENA. + * + * We keep track of the ENA for a ZIO chain through the 'io_logical' member. + * When a new logical I/O is issued, we set this to point to itself. Child I/Os + * then inherit this pointer, so that when it is first set subsequent failures + * will use the same ENA. For vdev cache fill and queue aggregation I/O, + * this pointer is set to NULL, and no ereport will be generated (since it + * doesn't actually correspond to any particular device or piece of data, + * and the caller will always retry without caching or queueing anyway). + * + * For checksum errors, we want to include more information about the actual + * error which occurs. Accordingly, we build an ereport when the error is + * noticed, but instead of sending it in immediately, we hang it off of the + * io_cksum_report field of the logical IO. When the logical IO completes + * (successfully or not), zfs_ereport_finish_checksum() is called with the + * good and bad versions of the buffer (if available), and we annotate the + * ereport with information about the differences. + */ +#ifdef _KERNEL +static void +zfs_zevent_post_cb(nvlist_t *nvl, nvlist_t *detector) +{ + if (nvl) + fm_nvlist_destroy(nvl, FM_NVA_FREE); + + if (detector) + fm_nvlist_destroy(detector, FM_NVA_FREE); +} + +static void +zfs_zevent_post_cb_noop(nvlist_t *nvl, nvlist_t *detector) +{ +} + +static void +zfs_ereport_start(nvlist_t **ereport_out, nvlist_t **detector_out, + const char *subclass, spa_t *spa, vdev_t *vd, zio_t *zio, + uint64_t stateoroffset, uint64_t size) +{ + nvlist_t *ereport, *detector; + + uint64_t ena; + char class[64]; + + /* + * If we are doing a spa_tryimport() or in recovery mode, + * ignore errors. + */ + if (spa_load_state(spa) == SPA_LOAD_TRYIMPORT || + spa_load_state(spa) == SPA_LOAD_RECOVER) + return; + + /* + * If we are in the middle of opening a pool, and the previous attempt + * failed, don't bother logging any new ereports - we're just going to + * get the same diagnosis anyway. + */ + if (spa_load_state(spa) != SPA_LOAD_NONE && + spa->spa_last_open_failed) + return; + + if (zio != NULL) { + /* + * If this is not a read or write zio, ignore the error. This + * can occur if the DKIOCFLUSHWRITECACHE ioctl fails. + */ + if (zio->io_type != ZIO_TYPE_READ && + zio->io_type != ZIO_TYPE_WRITE) + return; + + if (vd != NULL) { + /* + * If the vdev has already been marked as failing due + * to a failed probe, then ignore any subsequent I/O + * errors, as the DE will automatically fault the vdev + * on the first such failure. This also catches cases + * where vdev_remove_wanted is set and the device has + * not yet been asynchronously placed into the REMOVED + * state. + */ + if (zio->io_vd == vd && !vdev_accessible(vd, zio)) + return; + + /* + * Ignore checksum errors for reads from DTL regions of + * leaf vdevs. + */ + if (zio->io_type == ZIO_TYPE_READ && + zio->io_error == ECKSUM && + vd->vdev_ops->vdev_op_leaf && + vdev_dtl_contains(vd, DTL_MISSING, zio->io_txg, 1)) + return; + } + } + + /* + * For probe failure, we want to avoid posting ereports if we've + * already removed the device in the meantime. + */ + if (vd != NULL && + strcmp(subclass, FM_EREPORT_ZFS_PROBE_FAILURE) == 0 && + (vd->vdev_remove_wanted || vd->vdev_state == VDEV_STATE_REMOVED)) + return; + + if ((ereport = fm_nvlist_create(NULL)) == NULL) + return; + + if ((detector = fm_nvlist_create(NULL)) == NULL) { + fm_nvlist_destroy(ereport, FM_NVA_FREE); + return; + } + + /* + * Serialize ereport generation + */ + mutex_enter(&spa->spa_errlist_lock); + + /* + * Determine the ENA to use for this event. If we are in a loading + * state, use a SPA-wide ENA. Otherwise, if we are in an I/O state, use + * a root zio-wide ENA. Otherwise, simply use a unique ENA. + */ + if (spa_load_state(spa) != SPA_LOAD_NONE) { + if (spa->spa_ena == 0) + spa->spa_ena = fm_ena_generate(0, FM_ENA_FMT1); + ena = spa->spa_ena; + } else if (zio != NULL && zio->io_logical != NULL) { + if (zio->io_logical->io_ena == 0) + zio->io_logical->io_ena = + fm_ena_generate(0, FM_ENA_FMT1); + ena = zio->io_logical->io_ena; + } else { + ena = fm_ena_generate(0, FM_ENA_FMT1); + } + + /* + * Construct the full class, detector, and other standard FMA fields. + */ + (void) snprintf(class, sizeof (class), "%s.%s", + ZFS_ERROR_CLASS, subclass); + + fm_fmri_zfs_set(detector, FM_ZFS_SCHEME_VERSION, spa_guid(spa), + vd != NULL ? vd->vdev_guid : 0); + + fm_ereport_set(ereport, FM_EREPORT_VERSION, class, ena, detector, NULL); + + /* + * Construct the per-ereport payload, depending on which parameters are + * passed in. + */ + + /* + * Generic payload members common to all ereports. + */ + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_POOL, + DATA_TYPE_STRING, spa_name(spa), FM_EREPORT_PAYLOAD_ZFS_POOL_GUID, + DATA_TYPE_UINT64, spa_guid(spa), + FM_EREPORT_PAYLOAD_ZFS_POOL_CONTEXT, DATA_TYPE_INT32, + spa_load_state(spa), NULL); + + if (spa != NULL) { + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_POOL_FAILMODE, + DATA_TYPE_STRING, + spa_get_failmode(spa) == ZIO_FAILURE_MODE_WAIT ? + FM_EREPORT_FAILMODE_WAIT : + spa_get_failmode(spa) == ZIO_FAILURE_MODE_CONTINUE ? + FM_EREPORT_FAILMODE_CONTINUE : FM_EREPORT_FAILMODE_PANIC, + NULL); + } + + if (vd != NULL) { + vdev_t *pvd = vd->vdev_parent; + vdev_queue_t *vq = &vd->vdev_queue; + vdev_stat_t *vs = &vd->vdev_stat; + vdev_t *spare_vd; + uint64_t *spare_guids; + char **spare_paths; + int i, spare_count; + + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_VDEV_GUID, + DATA_TYPE_UINT64, vd->vdev_guid, + FM_EREPORT_PAYLOAD_ZFS_VDEV_TYPE, + DATA_TYPE_STRING, vd->vdev_ops->vdev_op_type, NULL); + if (vd->vdev_path != NULL) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_VDEV_PATH, + DATA_TYPE_STRING, vd->vdev_path, NULL); + if (vd->vdev_devid != NULL) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_VDEV_DEVID, + DATA_TYPE_STRING, vd->vdev_devid, NULL); + if (vd->vdev_fru != NULL) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_VDEV_FRU, + DATA_TYPE_STRING, vd->vdev_fru, NULL); + if (vd->vdev_ashift) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_VDEV_ASHIFT, + DATA_TYPE_UINT64, vd->vdev_ashift, NULL); + + if (vq != NULL) { + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_VDEV_COMP_TS, + DATA_TYPE_UINT64, vq->vq_io_complete_ts, NULL); + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_VDEV_DELTA_TS, + DATA_TYPE_UINT64, vq->vq_io_delta_ts, NULL); + } + + if (vs != NULL) { + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_VDEV_READ_ERRORS, + DATA_TYPE_UINT64, vs->vs_read_errors, + FM_EREPORT_PAYLOAD_ZFS_VDEV_WRITE_ERRORS, + DATA_TYPE_UINT64, vs->vs_write_errors, + FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_ERRORS, + DATA_TYPE_UINT64, vs->vs_checksum_errors, NULL); + } + + if (pvd != NULL) { + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_PARENT_GUID, + DATA_TYPE_UINT64, pvd->vdev_guid, + FM_EREPORT_PAYLOAD_ZFS_PARENT_TYPE, + DATA_TYPE_STRING, pvd->vdev_ops->vdev_op_type, + NULL); + if (pvd->vdev_path) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_PARENT_PATH, + DATA_TYPE_STRING, pvd->vdev_path, NULL); + if (pvd->vdev_devid) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_PARENT_DEVID, + DATA_TYPE_STRING, pvd->vdev_devid, NULL); + } + + spare_count = spa->spa_spares.sav_count; + spare_paths = kmem_zalloc(sizeof (char *) * spare_count, + KM_SLEEP); + spare_guids = kmem_zalloc(sizeof (uint64_t) * spare_count, + KM_SLEEP); + + for (i = 0; i < spare_count; i++) { + spare_vd = spa->spa_spares.sav_vdevs[i]; + if (spare_vd) { + spare_paths[i] = spare_vd->vdev_path; + spare_guids[i] = spare_vd->vdev_guid; + } + } + + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_VDEV_SPARE_PATHS, + DATA_TYPE_STRING_ARRAY, spare_count, spare_paths, + FM_EREPORT_PAYLOAD_ZFS_VDEV_SPARE_GUIDS, + DATA_TYPE_UINT64_ARRAY, spare_count, spare_guids, NULL); + + kmem_free(spare_guids, sizeof (uint64_t) * spare_count); + kmem_free(spare_paths, sizeof (char *) * spare_count); + } + + if (zio != NULL) { + /* + * Payload common to all I/Os. + */ + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_ZIO_ERR, + DATA_TYPE_INT32, zio->io_error, NULL); + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_ZIO_FLAGS, + DATA_TYPE_INT32, zio->io_flags, NULL); + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_ZIO_STAGE, + DATA_TYPE_UINT32, zio->io_stage, NULL); + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_ZIO_PIPELINE, + DATA_TYPE_UINT32, zio->io_pipeline, NULL); + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_ZIO_DELAY, + DATA_TYPE_UINT64, zio->io_delay, NULL); + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_ZIO_TIMESTAMP, + DATA_TYPE_UINT64, zio->io_timestamp, NULL); + fm_payload_set(ereport, FM_EREPORT_PAYLOAD_ZFS_ZIO_DELTA, + DATA_TYPE_UINT64, zio->io_delta, NULL); + + /* + * If the 'size' parameter is non-zero, it indicates this is a + * RAID-Z or other I/O where the physical offset and length are + * provided for us, instead of within the zio_t. + */ + if (vd != NULL) { + if (size) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_ZIO_OFFSET, + DATA_TYPE_UINT64, stateoroffset, + FM_EREPORT_PAYLOAD_ZFS_ZIO_SIZE, + DATA_TYPE_UINT64, size, NULL); + else + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_ZIO_OFFSET, + DATA_TYPE_UINT64, zio->io_offset, + FM_EREPORT_PAYLOAD_ZFS_ZIO_SIZE, + DATA_TYPE_UINT64, zio->io_size, NULL); + } + + /* + * Payload for I/Os with corresponding logical information. + */ + if (zio->io_logical != NULL) + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJSET, + DATA_TYPE_UINT64, + zio->io_logical->io_bookmark.zb_objset, + FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJECT, + DATA_TYPE_UINT64, + zio->io_logical->io_bookmark.zb_object, + FM_EREPORT_PAYLOAD_ZFS_ZIO_LEVEL, + DATA_TYPE_INT64, + zio->io_logical->io_bookmark.zb_level, + FM_EREPORT_PAYLOAD_ZFS_ZIO_BLKID, + DATA_TYPE_UINT64, + zio->io_logical->io_bookmark.zb_blkid, NULL); + } else if (vd != NULL) { + /* + * If we have a vdev but no zio, this is a device fault, and the + * 'stateoroffset' parameter indicates the previous state of the + * vdev. + */ + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_PREV_STATE, + DATA_TYPE_UINT64, stateoroffset, NULL); + } + + mutex_exit(&spa->spa_errlist_lock); + + *ereport_out = ereport; + *detector_out = detector; +} + +/* if it's <= 128 bytes, save the corruption directly */ +#define ZFM_MAX_INLINE (128 / sizeof (uint64_t)) + +#define MAX_RANGES 16 + +typedef struct zfs_ecksum_info { + /* histograms of set and cleared bits by bit number in a 64-bit word */ + uint16_t zei_histogram_set[sizeof (uint64_t) * NBBY]; + uint16_t zei_histogram_cleared[sizeof (uint64_t) * NBBY]; + + /* inline arrays of bits set and cleared. */ + uint64_t zei_bits_set[ZFM_MAX_INLINE]; + uint64_t zei_bits_cleared[ZFM_MAX_INLINE]; + + /* + * for each range, the number of bits set and cleared. The Hamming + * distance between the good and bad buffers is the sum of them all. + */ + uint32_t zei_range_sets[MAX_RANGES]; + uint32_t zei_range_clears[MAX_RANGES]; + + struct zei_ranges { + uint32_t zr_start; + uint32_t zr_end; + } zei_ranges[MAX_RANGES]; + + size_t zei_range_count; + uint32_t zei_mingap; + uint32_t zei_allowed_mingap; + +} zfs_ecksum_info_t; + +static void +update_histogram(uint64_t value_arg, uint16_t *hist, uint32_t *count) +{ + size_t i; + size_t bits = 0; + uint64_t value = BE_64(value_arg); + + /* We store the bits in big-endian (largest-first) order */ + for (i = 0; i < 64; i++) { + if (value & (1ull << i)) { + if (hist[63 - i] < UINT16_MAX) + hist[63 - i]++; + ++bits; + } + } + /* update the count of bits changed */ + *count += bits; +} + +/* + * We've now filled up the range array, and need to increase "mingap" and + * shrink the range list accordingly. zei_mingap is always the smallest + * distance between array entries, so we set the new_allowed_gap to be + * one greater than that. We then go through the list, joining together + * any ranges which are closer than the new_allowed_gap. + * + * By construction, there will be at least one. We also update zei_mingap + * to the new smallest gap, to prepare for our next invocation. + */ +static void +zei_shrink_ranges(zfs_ecksum_info_t *eip) +{ + uint32_t mingap = UINT32_MAX; + uint32_t new_allowed_gap = eip->zei_mingap + 1; + + size_t idx, output; + size_t max = eip->zei_range_count; + + struct zei_ranges *r = eip->zei_ranges; + + ASSERT3U(eip->zei_range_count, >, 0); + ASSERT3U(eip->zei_range_count, <=, MAX_RANGES); + + output = idx = 0; + while (idx < max - 1) { + uint32_t start = r[idx].zr_start; + uint32_t end = r[idx].zr_end; + + while (idx < max - 1) { + uint32_t nstart, nend, gap; + + idx++; + nstart = r[idx].zr_start; + nend = r[idx].zr_end; + + gap = nstart - end; + if (gap < new_allowed_gap) { + end = nend; + continue; + } + if (gap < mingap) + mingap = gap; + break; + } + r[output].zr_start = start; + r[output].zr_end = end; + output++; + } + ASSERT3U(output, <, eip->zei_range_count); + eip->zei_range_count = output; + eip->zei_mingap = mingap; + eip->zei_allowed_mingap = new_allowed_gap; +} + +static void +zei_add_range(zfs_ecksum_info_t *eip, int start, int end) +{ + struct zei_ranges *r = eip->zei_ranges; + size_t count = eip->zei_range_count; + + if (count >= MAX_RANGES) { + zei_shrink_ranges(eip); + count = eip->zei_range_count; + } + if (count == 0) { + eip->zei_mingap = UINT32_MAX; + eip->zei_allowed_mingap = 1; + } else { + int gap = start - r[count - 1].zr_end; + + if (gap < eip->zei_allowed_mingap) { + r[count - 1].zr_end = end; + return; + } + if (gap < eip->zei_mingap) + eip->zei_mingap = gap; + } + r[count].zr_start = start; + r[count].zr_end = end; + eip->zei_range_count++; +} + +static size_t +zei_range_total_size(zfs_ecksum_info_t *eip) +{ + struct zei_ranges *r = eip->zei_ranges; + size_t count = eip->zei_range_count; + size_t result = 0; + size_t idx; + + for (idx = 0; idx < count; idx++) + result += (r[idx].zr_end - r[idx].zr_start); + + return (result); +} + +static zfs_ecksum_info_t * +annotate_ecksum(nvlist_t *ereport, zio_bad_cksum_t *info, + const uint8_t *goodbuf, const uint8_t *badbuf, size_t size, + boolean_t drop_if_identical) +{ + const uint64_t *good = (const uint64_t *)goodbuf; + const uint64_t *bad = (const uint64_t *)badbuf; + + uint64_t allset = 0; + uint64_t allcleared = 0; + + size_t nui64s = size / sizeof (uint64_t); + + size_t inline_size; + int no_inline = 0; + size_t idx; + size_t range; + + size_t offset = 0; + ssize_t start = -1; + + zfs_ecksum_info_t *eip = kmem_zalloc(sizeof (*eip), KM_SLEEP); + + /* don't do any annotation for injected checksum errors */ + if (info != NULL && info->zbc_injected) + return (eip); + + if (info != NULL && info->zbc_has_cksum) { + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_CKSUM_EXPECTED, + DATA_TYPE_UINT64_ARRAY, + sizeof (info->zbc_expected) / sizeof (uint64_t), + (uint64_t *)&info->zbc_expected, + FM_EREPORT_PAYLOAD_ZFS_CKSUM_ACTUAL, + DATA_TYPE_UINT64_ARRAY, + sizeof (info->zbc_actual) / sizeof (uint64_t), + (uint64_t *)&info->zbc_actual, + FM_EREPORT_PAYLOAD_ZFS_CKSUM_ALGO, + DATA_TYPE_STRING, + info->zbc_checksum_name, + NULL); + + if (info->zbc_byteswapped) { + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_CKSUM_BYTESWAP, + DATA_TYPE_BOOLEAN, 1, + NULL); + } + } + + if (badbuf == NULL || goodbuf == NULL) + return (eip); + + ASSERT3U(size, ==, nui64s * sizeof (uint64_t)); + ASSERT3U(size, <=, SPA_MAXBLOCKSIZE); + ASSERT3U(size, <=, UINT32_MAX); + + /* build up the range list by comparing the two buffers. */ + for (idx = 0; idx < nui64s; idx++) { + if (good[idx] == bad[idx]) { + if (start == -1) + continue; + + zei_add_range(eip, start, idx); + start = -1; + } else { + if (start != -1) + continue; + + start = idx; + } + } + if (start != -1) + zei_add_range(eip, start, idx); + + /* See if it will fit in our inline buffers */ + inline_size = zei_range_total_size(eip); + if (inline_size > ZFM_MAX_INLINE) + no_inline = 1; + + /* + * If there is no change and we want to drop if the buffers are + * identical, do so. + */ + if (inline_size == 0 && drop_if_identical) { + kmem_free(eip, sizeof (*eip)); + return (NULL); + } + + /* + * Now walk through the ranges, filling in the details of the + * differences. Also convert our uint64_t-array offsets to byte + * offsets. + */ + for (range = 0; range < eip->zei_range_count; range++) { + size_t start = eip->zei_ranges[range].zr_start; + size_t end = eip->zei_ranges[range].zr_end; + + for (idx = start; idx < end; idx++) { + uint64_t set, cleared; + + // bits set in bad, but not in good + set = ((~good[idx]) & bad[idx]); + // bits set in good, but not in bad + cleared = (good[idx] & (~bad[idx])); + + allset |= set; + allcleared |= cleared; + + if (!no_inline) { + ASSERT3U(offset, <, inline_size); + eip->zei_bits_set[offset] = set; + eip->zei_bits_cleared[offset] = cleared; + offset++; + } + + update_histogram(set, eip->zei_histogram_set, + &eip->zei_range_sets[range]); + update_histogram(cleared, eip->zei_histogram_cleared, + &eip->zei_range_clears[range]); + } + + /* convert to byte offsets */ + eip->zei_ranges[range].zr_start *= sizeof (uint64_t); + eip->zei_ranges[range].zr_end *= sizeof (uint64_t); + } + eip->zei_allowed_mingap *= sizeof (uint64_t); + inline_size *= sizeof (uint64_t); + + /* fill in ereport */ + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_BAD_OFFSET_RANGES, + DATA_TYPE_UINT32_ARRAY, 2 * eip->zei_range_count, + (uint32_t *)eip->zei_ranges, + FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_MIN_GAP, + DATA_TYPE_UINT32, eip->zei_allowed_mingap, + FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_SETS, + DATA_TYPE_UINT32_ARRAY, eip->zei_range_count, eip->zei_range_sets, + FM_EREPORT_PAYLOAD_ZFS_BAD_RANGE_CLEARS, + DATA_TYPE_UINT32_ARRAY, eip->zei_range_count, eip->zei_range_clears, + NULL); + + if (!no_inline) { + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_BAD_SET_BITS, + DATA_TYPE_UINT8_ARRAY, + inline_size, (uint8_t *)eip->zei_bits_set, + FM_EREPORT_PAYLOAD_ZFS_BAD_CLEARED_BITS, + DATA_TYPE_UINT8_ARRAY, + inline_size, (uint8_t *)eip->zei_bits_cleared, + NULL); + } else { + fm_payload_set(ereport, + FM_EREPORT_PAYLOAD_ZFS_BAD_SET_HISTOGRAM, + DATA_TYPE_UINT16_ARRAY, + NBBY * sizeof (uint64_t), eip->zei_histogram_set, + FM_EREPORT_PAYLOAD_ZFS_BAD_CLEARED_HISTOGRAM, + DATA_TYPE_UINT16_ARRAY, + NBBY * sizeof (uint64_t), eip->zei_histogram_cleared, + NULL); + } + return (eip); +} +#endif + +void +zfs_ereport_post(const char *subclass, spa_t *spa, vdev_t *vd, zio_t *zio, + uint64_t stateoroffset, uint64_t size) +{ +#ifdef _KERNEL + nvlist_t *ereport = NULL; + nvlist_t *detector = NULL; + + zfs_ereport_start(&ereport, &detector, + subclass, spa, vd, zio, stateoroffset, size); + + if (ereport == NULL) + return; + + /* Cleanup is handled by the callback function */ + zfs_zevent_post(ereport, detector, zfs_zevent_post_cb); +#endif +} + +void +zfs_ereport_start_checksum(spa_t *spa, vdev_t *vd, + struct zio *zio, uint64_t offset, uint64_t length, void *arg, + zio_bad_cksum_t *info) +{ + zio_cksum_report_t *report = kmem_zalloc(sizeof (*report), KM_SLEEP); + + if (zio->io_vsd != NULL) + zio->io_vsd_ops->vsd_cksum_report(zio, report, arg); + else + zio_vsd_default_cksum_report(zio, report, arg); + + /* copy the checksum failure information if it was provided */ + if (info != NULL) { + report->zcr_ckinfo = kmem_zalloc(sizeof (*info), KM_SLEEP); + bcopy(info, report->zcr_ckinfo, sizeof (*info)); + } + + report->zcr_align = 1ULL << vd->vdev_top->vdev_ashift; + report->zcr_length = length; + +#ifdef _KERNEL + zfs_ereport_start(&report->zcr_ereport, &report->zcr_detector, + FM_EREPORT_ZFS_CHECKSUM, spa, vd, zio, offset, length); + + if (report->zcr_ereport == NULL) { + zfs_ereport_free_checksum(report); + return; + } +#endif + + mutex_enter(&spa->spa_errlist_lock); + report->zcr_next = zio->io_logical->io_cksum_report; + zio->io_logical->io_cksum_report = report; + mutex_exit(&spa->spa_errlist_lock); +} + +void +zfs_ereport_finish_checksum(zio_cksum_report_t *report, + const void *good_data, const void *bad_data, boolean_t drop_if_identical) +{ +#ifdef _KERNEL + zfs_ecksum_info_t *info; + + info = annotate_ecksum(report->zcr_ereport, report->zcr_ckinfo, + good_data, bad_data, report->zcr_length, drop_if_identical); + if (info != NULL) + zfs_zevent_post(report->zcr_ereport, + report->zcr_detector, zfs_zevent_post_cb); + else + zfs_zevent_post_cb(report->zcr_ereport, report->zcr_detector); + + report->zcr_ereport = report->zcr_detector = NULL; + if (info != NULL) + kmem_free(info, sizeof (*info)); +#endif +} + +void +zfs_ereport_free_checksum(zio_cksum_report_t *rpt) +{ +#ifdef _KERNEL + if (rpt->zcr_ereport != NULL) { + fm_nvlist_destroy(rpt->zcr_ereport, + FM_NVA_FREE); + fm_nvlist_destroy(rpt->zcr_detector, + FM_NVA_FREE); + } +#endif + rpt->zcr_free(rpt->zcr_cbdata, rpt->zcr_cbinfo); + + if (rpt->zcr_ckinfo != NULL) + kmem_free(rpt->zcr_ckinfo, sizeof (*rpt->zcr_ckinfo)); + + kmem_free(rpt, sizeof (*rpt)); +} + +void +zfs_ereport_send_interim_checksum(zio_cksum_report_t *report) +{ +#ifdef _KERNEL + zfs_zevent_post(report->zcr_ereport, report->zcr_detector, + zfs_zevent_post_cb_noop); +#endif +} + +void +zfs_ereport_post_checksum(spa_t *spa, vdev_t *vd, + struct zio *zio, uint64_t offset, uint64_t length, + const void *good_data, const void *bad_data, zio_bad_cksum_t *zbc) +{ +#ifdef _KERNEL + nvlist_t *ereport = NULL; + nvlist_t *detector = NULL; + zfs_ecksum_info_t *info; + + zfs_ereport_start(&ereport, &detector, + FM_EREPORT_ZFS_CHECKSUM, spa, vd, zio, offset, length); + + if (ereport == NULL) + return; + + info = annotate_ecksum(ereport, zbc, good_data, bad_data, length, + B_FALSE); + + if (info != NULL) { + zfs_zevent_post(ereport, detector, zfs_zevent_post_cb); + kmem_free(info, sizeof (*info)); + } +#endif +} + +static void +zfs_post_common(spa_t *spa, vdev_t *vd, const char *name) +{ +#ifdef _KERNEL + nvlist_t *resource; + char class[64]; + + if (spa_load_state(spa) == SPA_LOAD_TRYIMPORT) + return; + + if ((resource = fm_nvlist_create(NULL)) == NULL) + return; + + (void) snprintf(class, sizeof (class), "%s.%s.%s", FM_RSRC_RESOURCE, + ZFS_ERROR_CLASS, name); + VERIFY0(nvlist_add_uint8(resource, FM_VERSION, FM_RSRC_VERSION)); + VERIFY0(nvlist_add_string(resource, FM_CLASS, class)); + VERIFY0(nvlist_add_uint64(resource, + FM_EREPORT_PAYLOAD_ZFS_POOL_GUID, spa_guid(spa))); + VERIFY0(nvlist_add_int32(resource, + FM_EREPORT_PAYLOAD_ZFS_POOL_CONTEXT, spa_load_state(spa))); + + if (vd) { + VERIFY0(nvlist_add_uint64(resource, + FM_EREPORT_PAYLOAD_ZFS_VDEV_GUID, vd->vdev_guid)); + VERIFY0(nvlist_add_uint64(resource, + FM_EREPORT_PAYLOAD_ZFS_VDEV_STATE, vd->vdev_state)); + } + + zfs_zevent_post(resource, NULL, zfs_zevent_post_cb); +#endif +} + +/* + * The 'resource.fs.zfs.removed' event is an internal signal that the given vdev + * has been removed from the system. This will cause the DE to ignore any + * recent I/O errors, inferring that they are due to the asynchronous device + * removal. + */ +void +zfs_post_remove(spa_t *spa, vdev_t *vd) +{ + zfs_post_common(spa, vd, FM_EREPORT_RESOURCE_REMOVED); +} + +/* + * The 'resource.fs.zfs.autoreplace' event is an internal signal that the pool + * has the 'autoreplace' property set, and therefore any broken vdevs will be + * handled by higher level logic, and no vdev fault should be generated. + */ +void +zfs_post_autoreplace(spa_t *spa, vdev_t *vd) +{ + zfs_post_common(spa, vd, FM_EREPORT_RESOURCE_AUTOREPLACE); +} + +/* + * The 'resource.fs.zfs.statechange' event is an internal signal that the + * given vdev has transitioned its state to DEGRADED or HEALTHY. This will + * cause the retire agent to repair any outstanding fault management cases + * open because the device was not found (fault.fs.zfs.device). + */ +void +zfs_post_state_change(spa_t *spa, vdev_t *vd) +{ + zfs_post_common(spa, vd, FM_EREPORT_RESOURCE_STATECHANGE); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zfs_ereport_post); +EXPORT_SYMBOL(zfs_ereport_post_checksum); +EXPORT_SYMBOL(zfs_post_remove); +EXPORT_SYMBOL(zfs_post_autoreplace); +EXPORT_SYMBOL(zfs_post_state_change); +#endif /* _KERNEL */ diff --git a/zfs/module/zfs/zfs_fuid.c b/zfs/module/zfs/zfs_fuid.c new file mode 100644 index 000000000000..6ca61b87242f --- /dev/null +++ b/zfs/module/zfs/zfs_fuid.c @@ -0,0 +1,778 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#ifdef _KERNEL +#include +#include +#include +#include +#endif +#include + +/* + * FUID Domain table(s). + * + * The FUID table is stored as a packed nvlist of an array + * of nvlists which contain an index, domain string and offset + * + * During file system initialization the nvlist(s) are read and + * two AVL trees are created. One tree is keyed by the index number + * and the other by the domain string. Nodes are never removed from + * trees, but new entries may be added. If a new entry is added then + * the zsb->z_fuid_dirty flag is set to true and the caller will then + * be responsible for calling zfs_fuid_sync() to sync the changes to disk. + * + */ + +#define FUID_IDX "fuid_idx" +#define FUID_DOMAIN "fuid_domain" +#define FUID_OFFSET "fuid_offset" +#define FUID_NVP_ARRAY "fuid_nvlist" + +typedef struct fuid_domain { + avl_node_t f_domnode; + avl_node_t f_idxnode; + ksiddomain_t *f_ksid; + uint64_t f_idx; +} fuid_domain_t; + +static char *nulldomain = ""; + +/* + * Compare two indexes. + */ +static int +idx_compare(const void *arg1, const void *arg2) +{ + const fuid_domain_t *node1 = arg1; + const fuid_domain_t *node2 = arg2; + + if (node1->f_idx < node2->f_idx) + return (-1); + else if (node1->f_idx > node2->f_idx) + return (1); + return (0); +} + +/* + * Compare two domain strings. + */ +static int +domain_compare(const void *arg1, const void *arg2) +{ + const fuid_domain_t *node1 = arg1; + const fuid_domain_t *node2 = arg2; + int val; + + val = strcmp(node1->f_ksid->kd_name, node2->f_ksid->kd_name); + if (val == 0) + return (0); + return (val > 0 ? 1 : -1); +} + +void +zfs_fuid_avl_tree_create(avl_tree_t *idx_tree, avl_tree_t *domain_tree) +{ + avl_create(idx_tree, idx_compare, + sizeof (fuid_domain_t), offsetof(fuid_domain_t, f_idxnode)); + avl_create(domain_tree, domain_compare, + sizeof (fuid_domain_t), offsetof(fuid_domain_t, f_domnode)); +} + +/* + * load initial fuid domain and idx trees. This function is used by + * both the kernel and zdb. + */ +uint64_t +zfs_fuid_table_load(objset_t *os, uint64_t fuid_obj, avl_tree_t *idx_tree, + avl_tree_t *domain_tree) +{ + dmu_buf_t *db; + uint64_t fuid_size; + + ASSERT(fuid_obj != 0); + VERIFY(0 == dmu_bonus_hold(os, fuid_obj, + FTAG, &db)); + fuid_size = *(uint64_t *)db->db_data; + dmu_buf_rele(db, FTAG); + + if (fuid_size) { + nvlist_t **fuidnvp; + nvlist_t *nvp = NULL; + uint_t count; + char *packed; + int i; + + packed = kmem_alloc(fuid_size, KM_SLEEP); + VERIFY(dmu_read(os, fuid_obj, 0, + fuid_size, packed, DMU_READ_PREFETCH) == 0); + VERIFY(nvlist_unpack(packed, fuid_size, + &nvp, 0) == 0); + VERIFY(nvlist_lookup_nvlist_array(nvp, FUID_NVP_ARRAY, + &fuidnvp, &count) == 0); + + for (i = 0; i != count; i++) { + fuid_domain_t *domnode; + char *domain; + uint64_t idx; + + VERIFY(nvlist_lookup_string(fuidnvp[i], FUID_DOMAIN, + &domain) == 0); + VERIFY(nvlist_lookup_uint64(fuidnvp[i], FUID_IDX, + &idx) == 0); + + domnode = kmem_alloc(sizeof (fuid_domain_t), KM_SLEEP); + + domnode->f_idx = idx; + domnode->f_ksid = ksid_lookupdomain(domain); + avl_add(idx_tree, domnode); + avl_add(domain_tree, domnode); + } + nvlist_free(nvp); + kmem_free(packed, fuid_size); + } + return (fuid_size); +} + +void +zfs_fuid_table_destroy(avl_tree_t *idx_tree, avl_tree_t *domain_tree) +{ + fuid_domain_t *domnode; + void *cookie; + + cookie = NULL; + while ((domnode = avl_destroy_nodes(domain_tree, &cookie))) + ksiddomain_rele(domnode->f_ksid); + + avl_destroy(domain_tree); + cookie = NULL; + while ((domnode = avl_destroy_nodes(idx_tree, &cookie))) + kmem_free(domnode, sizeof (fuid_domain_t)); + avl_destroy(idx_tree); +} + +char * +zfs_fuid_idx_domain(avl_tree_t *idx_tree, uint32_t idx) +{ + fuid_domain_t searchnode, *findnode; + avl_index_t loc; + + searchnode.f_idx = idx; + + findnode = avl_find(idx_tree, &searchnode, &loc); + + return (findnode ? findnode->f_ksid->kd_name : nulldomain); +} + +#ifdef _KERNEL +/* + * Load the fuid table(s) into memory. + */ +static void +zfs_fuid_init(zfs_sb_t *zsb) +{ + rw_enter(&zsb->z_fuid_lock, RW_WRITER); + + if (zsb->z_fuid_loaded) { + rw_exit(&zsb->z_fuid_lock); + return; + } + + zfs_fuid_avl_tree_create(&zsb->z_fuid_idx, &zsb->z_fuid_domain); + + (void) zap_lookup(zsb->z_os, MASTER_NODE_OBJ, + ZFS_FUID_TABLES, 8, 1, &zsb->z_fuid_obj); + if (zsb->z_fuid_obj != 0) { + zsb->z_fuid_size = zfs_fuid_table_load(zsb->z_os, + zsb->z_fuid_obj, &zsb->z_fuid_idx, + &zsb->z_fuid_domain); + } + + zsb->z_fuid_loaded = B_TRUE; + rw_exit(&zsb->z_fuid_lock); +} + +/* + * sync out AVL trees to persistent storage. + */ +void +zfs_fuid_sync(zfs_sb_t *zsb, dmu_tx_t *tx) +{ + nvlist_t *nvp; + nvlist_t **fuids; + size_t nvsize = 0; + char *packed; + dmu_buf_t *db; + fuid_domain_t *domnode; + int numnodes; + int i; + + if (!zsb->z_fuid_dirty) { + return; + } + + rw_enter(&zsb->z_fuid_lock, RW_WRITER); + + /* + * First see if table needs to be created? + */ + if (zsb->z_fuid_obj == 0) { + zsb->z_fuid_obj = dmu_object_alloc(zsb->z_os, + DMU_OT_FUID, 1 << 14, DMU_OT_FUID_SIZE, + sizeof (uint64_t), tx); + VERIFY(zap_add(zsb->z_os, MASTER_NODE_OBJ, + ZFS_FUID_TABLES, sizeof (uint64_t), 1, + &zsb->z_fuid_obj, tx) == 0); + } + + VERIFY(nvlist_alloc(&nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + numnodes = avl_numnodes(&zsb->z_fuid_idx); + fuids = kmem_alloc(numnodes * sizeof (void *), KM_SLEEP); + for (i = 0, domnode = avl_first(&zsb->z_fuid_domain); domnode; i++, + domnode = AVL_NEXT(&zsb->z_fuid_domain, domnode)) { + VERIFY(nvlist_alloc(&fuids[i], NV_UNIQUE_NAME, KM_SLEEP) == 0); + VERIFY(nvlist_add_uint64(fuids[i], FUID_IDX, + domnode->f_idx) == 0); + VERIFY(nvlist_add_uint64(fuids[i], FUID_OFFSET, 0) == 0); + VERIFY(nvlist_add_string(fuids[i], FUID_DOMAIN, + domnode->f_ksid->kd_name) == 0); + } + VERIFY(nvlist_add_nvlist_array(nvp, FUID_NVP_ARRAY, + fuids, numnodes) == 0); + for (i = 0; i != numnodes; i++) + nvlist_free(fuids[i]); + kmem_free(fuids, numnodes * sizeof (void *)); + VERIFY(nvlist_size(nvp, &nvsize, NV_ENCODE_XDR) == 0); + packed = kmem_alloc(nvsize, KM_SLEEP); + VERIFY(nvlist_pack(nvp, &packed, &nvsize, + NV_ENCODE_XDR, KM_SLEEP) == 0); + nvlist_free(nvp); + zsb->z_fuid_size = nvsize; + dmu_write(zsb->z_os, zsb->z_fuid_obj, 0, zsb->z_fuid_size, packed, tx); + kmem_free(packed, zsb->z_fuid_size); + VERIFY(0 == dmu_bonus_hold(zsb->z_os, zsb->z_fuid_obj, + FTAG, &db)); + dmu_buf_will_dirty(db, tx); + *(uint64_t *)db->db_data = zsb->z_fuid_size; + dmu_buf_rele(db, FTAG); + + zsb->z_fuid_dirty = B_FALSE; + rw_exit(&zsb->z_fuid_lock); +} + +/* + * Query domain table for a given domain. + * + * If domain isn't found and addok is set, it is added to AVL trees and + * the zsb->z_fuid_dirty flag will be set to TRUE. It will then be + * necessary for the caller or another thread to detect the dirty table + * and sync out the changes. + */ +int +zfs_fuid_find_by_domain(zfs_sb_t *zsb, const char *domain, + char **retdomain, boolean_t addok) +{ + fuid_domain_t searchnode, *findnode; + avl_index_t loc; + krw_t rw = RW_READER; + + /* + * If the dummy "nobody" domain then return an index of 0 + * to cause the created FUID to be a standard POSIX id + * for the user nobody. + */ + if (domain[0] == '\0') { + if (retdomain) + *retdomain = nulldomain; + return (0); + } + + searchnode.f_ksid = ksid_lookupdomain(domain); + if (retdomain) + *retdomain = searchnode.f_ksid->kd_name; + if (!zsb->z_fuid_loaded) + zfs_fuid_init(zsb); + +retry: + rw_enter(&zsb->z_fuid_lock, rw); + findnode = avl_find(&zsb->z_fuid_domain, &searchnode, &loc); + + if (findnode) { + rw_exit(&zsb->z_fuid_lock); + ksiddomain_rele(searchnode.f_ksid); + return (findnode->f_idx); + } else if (addok) { + fuid_domain_t *domnode; + uint64_t retidx; + + if (rw == RW_READER && !rw_tryupgrade(&zsb->z_fuid_lock)) { + rw_exit(&zsb->z_fuid_lock); + rw = RW_WRITER; + goto retry; + } + + domnode = kmem_alloc(sizeof (fuid_domain_t), KM_SLEEP); + domnode->f_ksid = searchnode.f_ksid; + + retidx = domnode->f_idx = avl_numnodes(&zsb->z_fuid_idx) + 1; + + avl_add(&zsb->z_fuid_domain, domnode); + avl_add(&zsb->z_fuid_idx, domnode); + zsb->z_fuid_dirty = B_TRUE; + rw_exit(&zsb->z_fuid_lock); + return (retidx); + } else { + rw_exit(&zsb->z_fuid_lock); + return (-1); + } +} + +/* + * Query domain table by index, returning domain string + * + * Returns a pointer from an avl node of the domain string. + * + */ +const char * +zfs_fuid_find_by_idx(zfs_sb_t *zsb, uint32_t idx) +{ + char *domain; + + if (idx == 0 || !zsb->z_use_fuids) + return (NULL); + + if (!zsb->z_fuid_loaded) + zfs_fuid_init(zsb); + + rw_enter(&zsb->z_fuid_lock, RW_READER); + + if (zsb->z_fuid_obj || zsb->z_fuid_dirty) + domain = zfs_fuid_idx_domain(&zsb->z_fuid_idx, idx); + else + domain = nulldomain; + rw_exit(&zsb->z_fuid_lock); + + ASSERT(domain); + return (domain); +} + +void +zfs_fuid_map_ids(znode_t *zp, cred_t *cr, uid_t *uidp, uid_t *gidp) +{ + *uidp = zfs_fuid_map_id(ZTOZSB(zp), zp->z_uid, cr, ZFS_OWNER); + *gidp = zfs_fuid_map_id(ZTOZSB(zp), zp->z_gid, cr, ZFS_GROUP); +} + +uid_t +zfs_fuid_map_id(zfs_sb_t *zsb, uint64_t fuid, + cred_t *cr, zfs_fuid_type_t type) +{ +#ifdef HAVE_KSID + uint32_t index = FUID_INDEX(fuid); + const char *domain; + uid_t id; + + if (index == 0) + return (fuid); + + domain = zfs_fuid_find_by_idx(zsb, index); + ASSERT(domain != NULL); + + if (type == ZFS_OWNER || type == ZFS_ACE_USER) { + (void) kidmap_getuidbysid(crgetzone(cr), domain, + FUID_RID(fuid), &id); + } else { + (void) kidmap_getgidbysid(crgetzone(cr), domain, + FUID_RID(fuid), &id); + } + return (id); +#else + /* + * The Linux port only supports POSIX IDs, use the passed id. + */ + return (fuid); +#endif /* HAVE_KSID */ +} + +/* + * Add a FUID node to the list of fuid's being created for this + * ACL + * + * If ACL has multiple domains, then keep only one copy of each unique + * domain. + */ +void +zfs_fuid_node_add(zfs_fuid_info_t **fuidpp, const char *domain, uint32_t rid, + uint64_t idx, uint64_t id, zfs_fuid_type_t type) +{ + zfs_fuid_t *fuid; + zfs_fuid_domain_t *fuid_domain; + zfs_fuid_info_t *fuidp; + uint64_t fuididx; + boolean_t found = B_FALSE; + + if (*fuidpp == NULL) + *fuidpp = zfs_fuid_info_alloc(); + + fuidp = *fuidpp; + /* + * First find fuid domain index in linked list + * + * If one isn't found then create an entry. + */ + + for (fuididx = 1, fuid_domain = list_head(&fuidp->z_domains); + fuid_domain; fuid_domain = list_next(&fuidp->z_domains, + fuid_domain), fuididx++) { + if (idx == fuid_domain->z_domidx) { + found = B_TRUE; + break; + } + } + + if (!found) { + fuid_domain = kmem_alloc(sizeof (zfs_fuid_domain_t), KM_SLEEP); + fuid_domain->z_domain = domain; + fuid_domain->z_domidx = idx; + list_insert_tail(&fuidp->z_domains, fuid_domain); + fuidp->z_domain_str_sz += strlen(domain) + 1; + fuidp->z_domain_cnt++; + } + + if (type == ZFS_ACE_USER || type == ZFS_ACE_GROUP) { + + /* + * Now allocate fuid entry and add it on the end of the list + */ + + fuid = kmem_alloc(sizeof (zfs_fuid_t), KM_SLEEP); + fuid->z_id = id; + fuid->z_domidx = idx; + fuid->z_logfuid = FUID_ENCODE(fuididx, rid); + + list_insert_tail(&fuidp->z_fuids, fuid); + fuidp->z_fuid_cnt++; + } else { + if (type == ZFS_OWNER) + fuidp->z_fuid_owner = FUID_ENCODE(fuididx, rid); + else + fuidp->z_fuid_group = FUID_ENCODE(fuididx, rid); + } +} + +#ifdef HAVE_KSID +/* + * Create a file system FUID, based on information in the users cred + * + * If cred contains KSID_OWNER then it should be used to determine + * the uid otherwise cred's uid will be used. By default cred's gid + * is used unless it's an ephemeral ID in which case KSID_GROUP will + * be used if it exists. + */ +uint64_t +zfs_fuid_create_cred(zfs_sb_t *zsb, zfs_fuid_type_t type, + cred_t *cr, zfs_fuid_info_t **fuidp) +{ + uint64_t idx; + ksid_t *ksid; + uint32_t rid; + char *kdomain; + const char *domain; + uid_t id; + + VERIFY(type == ZFS_OWNER || type == ZFS_GROUP); + + ksid = crgetsid(cr, (type == ZFS_OWNER) ? KSID_OWNER : KSID_GROUP); + + if (!zsb->z_use_fuids || (ksid == NULL)) { + id = (type == ZFS_OWNER) ? crgetuid(cr) : crgetgid(cr); + + if (IS_EPHEMERAL(id)) + return ((type == ZFS_OWNER) ? UID_NOBODY : GID_NOBODY); + + return ((uint64_t)id); + } + + /* + * ksid is present and FUID is supported + */ + id = (type == ZFS_OWNER) ? ksid_getid(ksid) : crgetgid(cr); + + if (!IS_EPHEMERAL(id)) + return ((uint64_t)id); + + if (type == ZFS_GROUP) + id = ksid_getid(ksid); + + rid = ksid_getrid(ksid); + domain = ksid_getdomain(ksid); + + idx = zfs_fuid_find_by_domain(zsb, domain, &kdomain, B_TRUE); + + zfs_fuid_node_add(fuidp, kdomain, rid, idx, id, type); + + return (FUID_ENCODE(idx, rid)); +} +#endif /* HAVE_KSID */ + +/* + * Create a file system FUID for an ACL ace + * or a chown/chgrp of the file. + * This is similar to zfs_fuid_create_cred, except that + * we can't find the domain + rid information in the + * cred. Instead we have to query Winchester for the + * domain and rid. + * + * During replay operations the domain+rid information is + * found in the zfs_fuid_info_t that the replay code has + * attached to the zsb of the file system. + */ +uint64_t +zfs_fuid_create(zfs_sb_t *zsb, uint64_t id, cred_t *cr, + zfs_fuid_type_t type, zfs_fuid_info_t **fuidpp) +{ +#ifdef HAVE_KSID + const char *domain; + char *kdomain; + uint32_t fuid_idx = FUID_INDEX(id); + uint32_t rid; + idmap_stat status; + uint64_t idx = 0; + zfs_fuid_t *zfuid = NULL; + zfs_fuid_info_t *fuidp = NULL; + + /* + * If POSIX ID, or entry is already a FUID then + * just return the id + * + * We may also be handed an already FUID'ized id via + * chmod. + */ + + if (!zsb->z_use_fuids || !IS_EPHEMERAL(id) || fuid_idx != 0) + return (id); + + if (zsb->z_replay) { + fuidp = zsb->z_fuid_replay; + + /* + * If we are passed an ephemeral id, but no + * fuid_info was logged then return NOBODY. + * This is most likely a result of idmap service + * not being available. + */ + if (fuidp == NULL) + return (UID_NOBODY); + + VERIFY3U(type, >=, ZFS_OWNER); + VERIFY3U(type, <=, ZFS_ACE_GROUP); + + switch (type) { + case ZFS_ACE_USER: + case ZFS_ACE_GROUP: + zfuid = list_head(&fuidp->z_fuids); + rid = FUID_RID(zfuid->z_logfuid); + idx = FUID_INDEX(zfuid->z_logfuid); + break; + case ZFS_OWNER: + rid = FUID_RID(fuidp->z_fuid_owner); + idx = FUID_INDEX(fuidp->z_fuid_owner); + break; + case ZFS_GROUP: + rid = FUID_RID(fuidp->z_fuid_group); + idx = FUID_INDEX(fuidp->z_fuid_group); + break; + }; + domain = fuidp->z_domain_table[idx - 1]; + } else { + if (type == ZFS_OWNER || type == ZFS_ACE_USER) + status = kidmap_getsidbyuid(crgetzone(cr), id, + &domain, &rid); + else + status = kidmap_getsidbygid(crgetzone(cr), id, + &domain, &rid); + + if (status != 0) { + /* + * When returning nobody we will need to + * make a dummy fuid table entry for logging + * purposes. + */ + rid = UID_NOBODY; + domain = nulldomain; + } + } + + idx = zfs_fuid_find_by_domain(zsb, domain, &kdomain, B_TRUE); + + if (!zsb->z_replay) + zfs_fuid_node_add(fuidpp, kdomain, + rid, idx, id, type); + else if (zfuid != NULL) { + list_remove(&fuidp->z_fuids, zfuid); + kmem_free(zfuid, sizeof (zfs_fuid_t)); + } + return (FUID_ENCODE(idx, rid)); +#else + /* + * The Linux port only supports POSIX IDs, use the passed id. + */ + return (id); +#endif +} + +void +zfs_fuid_destroy(zfs_sb_t *zsb) +{ + rw_enter(&zsb->z_fuid_lock, RW_WRITER); + if (!zsb->z_fuid_loaded) { + rw_exit(&zsb->z_fuid_lock); + return; + } + zfs_fuid_table_destroy(&zsb->z_fuid_idx, &zsb->z_fuid_domain); + rw_exit(&zsb->z_fuid_lock); +} + +/* + * Allocate zfs_fuid_info for tracking FUIDs created during + * zfs_mknode, VOP_SETATTR() or VOP_SETSECATTR() + */ +zfs_fuid_info_t * +zfs_fuid_info_alloc(void) +{ + zfs_fuid_info_t *fuidp; + + fuidp = kmem_zalloc(sizeof (zfs_fuid_info_t), KM_SLEEP); + list_create(&fuidp->z_domains, sizeof (zfs_fuid_domain_t), + offsetof(zfs_fuid_domain_t, z_next)); + list_create(&fuidp->z_fuids, sizeof (zfs_fuid_t), + offsetof(zfs_fuid_t, z_next)); + return (fuidp); +} + +/* + * Release all memory associated with zfs_fuid_info_t + */ +void +zfs_fuid_info_free(zfs_fuid_info_t *fuidp) +{ + zfs_fuid_t *zfuid; + zfs_fuid_domain_t *zdomain; + + while ((zfuid = list_head(&fuidp->z_fuids)) != NULL) { + list_remove(&fuidp->z_fuids, zfuid); + kmem_free(zfuid, sizeof (zfs_fuid_t)); + } + + if (fuidp->z_domain_table != NULL) + kmem_free(fuidp->z_domain_table, + (sizeof (char **)) * fuidp->z_domain_cnt); + + while ((zdomain = list_head(&fuidp->z_domains)) != NULL) { + list_remove(&fuidp->z_domains, zdomain); + kmem_free(zdomain, sizeof (zfs_fuid_domain_t)); + } + + kmem_free(fuidp, sizeof (zfs_fuid_info_t)); +} + +/* + * Check to see if id is a groupmember. If cred + * has ksid info then sidlist is checked first + * and if still not found then POSIX groups are checked + * + * Will use a straight FUID compare when possible. + */ +boolean_t +zfs_groupmember(zfs_sb_t *zsb, uint64_t id, cred_t *cr) +{ +#ifdef HAVE_KSID + ksid_t *ksid = crgetsid(cr, KSID_GROUP); + ksidlist_t *ksidlist = crgetsidlist(cr); + uid_t gid; + + if (ksid && ksidlist) { + int i; + ksid_t *ksid_groups; + uint32_t idx = FUID_INDEX(id); + uint32_t rid = FUID_RID(id); + + ksid_groups = ksidlist->ksl_sids; + + for (i = 0; i != ksidlist->ksl_nsid; i++) { + if (idx == 0) { + if (id != IDMAP_WK_CREATOR_GROUP_GID && + id == ksid_groups[i].ks_id) { + return (B_TRUE); + } + } else { + const char *domain; + + domain = zfs_fuid_find_by_idx(zsb, idx); + ASSERT(domain != NULL); + + if (strcmp(domain, + IDMAP_WK_CREATOR_SID_AUTHORITY) == 0) + return (B_FALSE); + + if ((strcmp(domain, + ksid_groups[i].ks_domain->kd_name) == 0) && + rid == ksid_groups[i].ks_rid) + return (B_TRUE); + } + } + } + + /* + * Not found in ksidlist, check posix groups + */ + gid = zfs_fuid_map_id(zsb, id, cr, ZFS_GROUP); + return (groupmember(gid, cr)); +#else + return (B_TRUE); +#endif +} + +void +zfs_fuid_txhold(zfs_sb_t *zsb, dmu_tx_t *tx) +{ + if (zsb->z_fuid_obj == 0) { + dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, + FUID_SIZE_ESTIMATE(zsb)); + dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, FALSE, NULL); + } else { + dmu_tx_hold_bonus(tx, zsb->z_fuid_obj); + dmu_tx_hold_write(tx, zsb->z_fuid_obj, 0, + FUID_SIZE_ESTIMATE(zsb)); + } +} +#endif diff --git a/zfs/module/zfs/zfs_ioctl.c b/zfs/module/zfs/zfs_ioctl.c new file mode 100644 index 000000000000..3ebe28d7fcfc --- /dev/null +++ b/zfs/module/zfs/zfs_ioctl.c @@ -0,0 +1,6059 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Portions Copyright 2011 Martin Matuska + * Portions Copyright 2012 Pawel Jakub Dawidek + * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2014, Joyent, Inc. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. + * Copyright (c) 2014, Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +/* + * ZFS ioctls. + * + * This file handles the ioctls to /dev/zfs, used for configuring ZFS storage + * pools and filesystems, e.g. with /sbin/zfs and /sbin/zpool. + * + * There are two ways that we handle ioctls: the legacy way where almost + * all of the logic is in the ioctl callback, and the new way where most + * of the marshalling is handled in the common entry point, zfsdev_ioctl(). + * + * Non-legacy ioctls should be registered by calling + * zfs_ioctl_register() from zfs_ioctl_init(). The ioctl is invoked + * from userland by lzc_ioctl(). + * + * The registration arguments are as follows: + * + * const char *name + * The name of the ioctl. This is used for history logging. If the + * ioctl returns successfully (the callback returns 0), and allow_log + * is true, then a history log entry will be recorded with the input & + * output nvlists. The log entry can be printed with "zpool history -i". + * + * zfs_ioc_t ioc + * The ioctl request number, which userland will pass to ioctl(2). + * The ioctl numbers can change from release to release, because + * the caller (libzfs) must be matched to the kernel. + * + * zfs_secpolicy_func_t *secpolicy + * This function will be called before the zfs_ioc_func_t, to + * determine if this operation is permitted. It should return EPERM + * on failure, and 0 on success. Checks include determining if the + * dataset is visible in this zone, and if the user has either all + * zfs privileges in the zone (SYS_MOUNT), or has been granted permission + * to do this operation on this dataset with "zfs allow". + * + * zfs_ioc_namecheck_t namecheck + * This specifies what to expect in the zfs_cmd_t:zc_name -- a pool + * name, a dataset name, or nothing. If the name is not well-formed, + * the ioctl will fail and the callback will not be called. + * Therefore, the callback can assume that the name is well-formed + * (e.g. is null-terminated, doesn't have more than one '@' character, + * doesn't have invalid characters). + * + * zfs_ioc_poolcheck_t pool_check + * This specifies requirements on the pool state. If the pool does + * not meet them (is suspended or is readonly), the ioctl will fail + * and the callback will not be called. If any checks are specified + * (i.e. it is not POOL_CHECK_NONE), namecheck must not be NO_NAME. + * Multiple checks can be or-ed together (e.g. POOL_CHECK_SUSPENDED | + * POOL_CHECK_READONLY). + * + * boolean_t smush_outnvlist + * If smush_outnvlist is true, then the output is presumed to be a + * list of errors, and it will be "smushed" down to fit into the + * caller's buffer, by removing some entries and replacing them with a + * single "N_MORE_ERRORS" entry indicating how many were removed. See + * nvlist_smush() for details. If smush_outnvlist is false, and the + * outnvlist does not fit into the userland-provided buffer, then the + * ioctl will fail with ENOMEM. + * + * zfs_ioc_func_t *func + * The callback function that will perform the operation. + * + * The callback should return 0 on success, or an error number on + * failure. If the function fails, the userland ioctl will return -1, + * and errno will be set to the callback's return value. The callback + * will be called with the following arguments: + * + * const char *name + * The name of the pool or dataset to operate on, from + * zfs_cmd_t:zc_name. The 'namecheck' argument specifies the + * expected type (pool, dataset, or none). + * + * nvlist_t *innvl + * The input nvlist, deserialized from zfs_cmd_t:zc_nvlist_src. Or + * NULL if no input nvlist was provided. Changes to this nvlist are + * ignored. If the input nvlist could not be deserialized, the + * ioctl will fail and the callback will not be called. + * + * nvlist_t *outnvl + * The output nvlist, initially empty. The callback can fill it in, + * and it will be returned to userland by serializing it into + * zfs_cmd_t:zc_nvlist_dst. If it is non-empty, and serialization + * fails (e.g. because the caller didn't supply a large enough + * buffer), then the overall ioctl will fail. See the + * 'smush_nvlist' argument above for additional behaviors. + * + * There are two typical uses of the output nvlist: + * - To return state, e.g. property values. In this case, + * smush_outnvlist should be false. If the buffer was not large + * enough, the caller will reallocate a larger buffer and try + * the ioctl again. + * + * - To return multiple errors from an ioctl which makes on-disk + * changes. In this case, smush_outnvlist should be true. + * Ioctls which make on-disk modifications should generally not + * use the outnvl if they succeed, because the caller can not + * distinguish between the operation failing, and + * deserialization failing. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include + +#include "zfs_namecheck.h" +#include "zfs_prop.h" +#include "zfs_deleg.h" +#include "zfs_comutil.h" + +kmutex_t zfsdev_state_lock; +zfsdev_state_t *zfsdev_state_list; + +extern void zfs_init(void); +extern void zfs_fini(void); + +uint_t zfs_fsyncer_key; +extern uint_t rrw_tsd_key; +static uint_t zfs_allow_log_key; + +typedef int zfs_ioc_legacy_func_t(zfs_cmd_t *); +typedef int zfs_ioc_func_t(const char *, nvlist_t *, nvlist_t *); +typedef int zfs_secpolicy_func_t(zfs_cmd_t *, nvlist_t *, cred_t *); + +typedef enum { + NO_NAME, + POOL_NAME, + DATASET_NAME +} zfs_ioc_namecheck_t; + +typedef enum { + POOL_CHECK_NONE = 1 << 0, + POOL_CHECK_SUSPENDED = 1 << 1, + POOL_CHECK_READONLY = 1 << 2, +} zfs_ioc_poolcheck_t; + +typedef struct zfs_ioc_vec { + zfs_ioc_legacy_func_t *zvec_legacy_func; + zfs_ioc_func_t *zvec_func; + zfs_secpolicy_func_t *zvec_secpolicy; + zfs_ioc_namecheck_t zvec_namecheck; + boolean_t zvec_allow_log; + zfs_ioc_poolcheck_t zvec_pool_check; + boolean_t zvec_smush_outnvlist; + const char *zvec_name; +} zfs_ioc_vec_t; + +/* This array is indexed by zfs_userquota_prop_t */ +static const char *userquota_perms[] = { + ZFS_DELEG_PERM_USERUSED, + ZFS_DELEG_PERM_USERQUOTA, + ZFS_DELEG_PERM_GROUPUSED, + ZFS_DELEG_PERM_GROUPQUOTA, +}; + +static int zfs_ioc_userspace_upgrade(zfs_cmd_t *zc); +static int zfs_check_settable(const char *name, nvpair_t *property, + cred_t *cr); +static int zfs_check_clearable(char *dataset, nvlist_t *props, + nvlist_t **errors); +static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *, + boolean_t *); +int zfs_set_prop_nvlist(const char *, zprop_source_t, nvlist_t *, nvlist_t *); +static int get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp); + +static void +history_str_free(char *buf) +{ + kmem_free(buf, HIS_MAX_RECORD_LEN); +} + +static char * +history_str_get(zfs_cmd_t *zc) +{ + char *buf; + + if (zc->zc_history == 0) + return (NULL); + + buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); + if (copyinstr((void *)(uintptr_t)zc->zc_history, + buf, HIS_MAX_RECORD_LEN, NULL) != 0) { + history_str_free(buf); + return (NULL); + } + + buf[HIS_MAX_RECORD_LEN -1] = '\0'; + + return (buf); +} + +/* + * Check to see if the named dataset is currently defined as bootable + */ +static boolean_t +zfs_is_bootfs(const char *name) +{ + objset_t *os; + + if (dmu_objset_hold(name, FTAG, &os) == 0) { + boolean_t ret; + ret = (dmu_objset_id(os) == spa_bootfs(dmu_objset_spa(os))); + dmu_objset_rele(os, FTAG); + return (ret); + } + return (B_FALSE); +} + +/* + * Return non-zero if the spa version is less than requested version. + */ +static int +zfs_earlier_version(const char *name, int version) +{ + spa_t *spa; + + if (spa_open(name, &spa, FTAG) == 0) { + if (spa_version(spa) < version) { + spa_close(spa, FTAG); + return (1); + } + spa_close(spa, FTAG); + } + return (0); +} + +/* + * Return TRUE if the ZPL version is less than requested version. + */ +static boolean_t +zpl_earlier_version(const char *name, int version) +{ + objset_t *os; + boolean_t rc = B_TRUE; + + if (dmu_objset_hold(name, FTAG, &os) == 0) { + uint64_t zplversion; + + if (dmu_objset_type(os) != DMU_OST_ZFS) { + dmu_objset_rele(os, FTAG); + return (B_TRUE); + } + /* XXX reading from non-owned objset */ + if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0) + rc = zplversion < version; + dmu_objset_rele(os, FTAG); + } + return (rc); +} + +static void +zfs_log_history(zfs_cmd_t *zc) +{ + spa_t *spa; + char *buf; + + if ((buf = history_str_get(zc)) == NULL) + return; + + if (spa_open(zc->zc_name, &spa, FTAG) == 0) { + if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) + (void) spa_history_log(spa, buf); + spa_close(spa, FTAG); + } + history_str_free(buf); +} + +/* + * Policy for top-level read operations (list pools). Requires no privileges, + * and can be used in the local zone, as there is no associated dataset. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_none(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + return (0); +} + +/* + * Policy for dataset read operations (list children, get statistics). Requires + * no privileges, but must be visible in the local zone. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_read(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + if (INGLOBALZONE(curproc) || + zone_dataset_visible(zc->zc_name, NULL)) + return (0); + + return (SET_ERROR(ENOENT)); +} + +static int +zfs_dozonecheck_impl(const char *dataset, uint64_t zoned, cred_t *cr) +{ + int writable = 1; + + /* + * The dataset must be visible by this zone -- check this first + * so they don't see EPERM on something they shouldn't know about. + */ + if (!INGLOBALZONE(curproc) && + !zone_dataset_visible(dataset, &writable)) + return (SET_ERROR(ENOENT)); + + if (INGLOBALZONE(curproc)) { + /* + * If the fs is zoned, only root can access it from the + * global zone. + */ + if (secpolicy_zfs(cr) && zoned) + return (SET_ERROR(EPERM)); + } else { + /* + * If we are in a local zone, the 'zoned' property must be set. + */ + if (!zoned) + return (SET_ERROR(EPERM)); + + /* must be writable by this zone */ + if (!writable) + return (SET_ERROR(EPERM)); + } + return (0); +} + +static int +zfs_dozonecheck(const char *dataset, cred_t *cr) +{ + uint64_t zoned; + + if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) + return (SET_ERROR(ENOENT)); + + return (zfs_dozonecheck_impl(dataset, zoned, cr)); +} + +static int +zfs_dozonecheck_ds(const char *dataset, dsl_dataset_t *ds, cred_t *cr) +{ + uint64_t zoned; + + if (dsl_prop_get_int_ds(ds, "zoned", &zoned)) + return (SET_ERROR(ENOENT)); + + return (zfs_dozonecheck_impl(dataset, zoned, cr)); +} + +static int +zfs_secpolicy_write_perms_ds(const char *name, dsl_dataset_t *ds, + const char *perm, cred_t *cr) +{ + int error; + + error = zfs_dozonecheck_ds(name, ds, cr); + if (error == 0) { + error = secpolicy_zfs(cr); + if (error != 0) + error = dsl_deleg_access_impl(ds, perm, cr); + } + return (error); +} + +static int +zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) +{ + int error; + dsl_dataset_t *ds; + dsl_pool_t *dp; + + error = dsl_pool_hold(name, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold(dp, name, FTAG, &ds); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + error = zfs_secpolicy_write_perms_ds(name, ds, perm, cr); + + dsl_dataset_rele(ds, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); +} + +/* + * Policy for setting the security label property. + * + * Returns 0 for success, non-zero for access and other errors. + */ +static int +zfs_set_slabel_policy(const char *name, char *strval, cred_t *cr) +{ +#ifdef HAVE_MLSLABEL + char ds_hexsl[MAXNAMELEN]; + bslabel_t ds_sl, new_sl; + boolean_t new_default = FALSE; + uint64_t zoned; + int needed_priv = -1; + int error; + + /* First get the existing dataset label. */ + error = dsl_prop_get(name, zfs_prop_to_name(ZFS_PROP_MLSLABEL), + 1, sizeof (ds_hexsl), &ds_hexsl, NULL); + if (error != 0) + return (SET_ERROR(EPERM)); + + if (strcasecmp(strval, ZFS_MLSLABEL_DEFAULT) == 0) + new_default = TRUE; + + /* The label must be translatable */ + if (!new_default && (hexstr_to_label(strval, &new_sl) != 0)) + return (SET_ERROR(EINVAL)); + + /* + * In a non-global zone, disallow attempts to set a label that + * doesn't match that of the zone; otherwise no other checks + * are needed. + */ + if (!INGLOBALZONE(curproc)) { + if (new_default || !blequal(&new_sl, CR_SL(CRED()))) + return (SET_ERROR(EPERM)); + return (0); + } + + /* + * For global-zone datasets (i.e., those whose zoned property is + * "off", verify that the specified new label is valid for the + * global zone. + */ + if (dsl_prop_get_integer(name, + zfs_prop_to_name(ZFS_PROP_ZONED), &zoned, NULL)) + return (SET_ERROR(EPERM)); + if (!zoned) { + if (zfs_check_global_label(name, strval) != 0) + return (SET_ERROR(EPERM)); + } + + /* + * If the existing dataset label is nondefault, check if the + * dataset is mounted (label cannot be changed while mounted). + * Get the zfs_sb_t; if there isn't one, then the dataset isn't + * mounted (or isn't a dataset, doesn't exist, ...). + */ + if (strcasecmp(ds_hexsl, ZFS_MLSLABEL_DEFAULT) != 0) { + objset_t *os; + static char *setsl_tag = "setsl_tag"; + + /* + * Try to own the dataset; abort if there is any error, + * (e.g., already mounted, in use, or other error). + */ + error = dmu_objset_own(name, DMU_OST_ZFS, B_TRUE, + setsl_tag, &os); + if (error != 0) + return (SET_ERROR(EPERM)); + + dmu_objset_disown(os, setsl_tag); + + if (new_default) { + needed_priv = PRIV_FILE_DOWNGRADE_SL; + goto out_check; + } + + if (hexstr_to_label(strval, &new_sl) != 0) + return (SET_ERROR(EPERM)); + + if (blstrictdom(&ds_sl, &new_sl)) + needed_priv = PRIV_FILE_DOWNGRADE_SL; + else if (blstrictdom(&new_sl, &ds_sl)) + needed_priv = PRIV_FILE_UPGRADE_SL; + } else { + /* dataset currently has a default label */ + if (!new_default) + needed_priv = PRIV_FILE_UPGRADE_SL; + } + +out_check: + if (needed_priv != -1) + return (PRIV_POLICY(cr, needed_priv, B_FALSE, EPERM, NULL)); + return (0); +#else + return (ENOTSUP); +#endif /* HAVE_MLSLABEL */ +} + +static int +zfs_secpolicy_setprop(const char *dsname, zfs_prop_t prop, nvpair_t *propval, + cred_t *cr) +{ + char *strval; + + /* + * Check permissions for special properties. + */ + switch (prop) { + default: + break; + case ZFS_PROP_ZONED: + /* + * Disallow setting of 'zoned' from within a local zone. + */ + if (!INGLOBALZONE(curproc)) + return (SET_ERROR(EPERM)); + break; + + case ZFS_PROP_QUOTA: + case ZFS_PROP_FILESYSTEM_LIMIT: + case ZFS_PROP_SNAPSHOT_LIMIT: + if (!INGLOBALZONE(curproc)) { + uint64_t zoned; + char setpoint[MAXNAMELEN]; + /* + * Unprivileged users are allowed to modify the + * limit on things *under* (ie. contained by) + * the thing they own. + */ + if (dsl_prop_get_integer(dsname, "zoned", &zoned, + setpoint)) + return (SET_ERROR(EPERM)); + if (!zoned || strlen(dsname) <= strlen(setpoint)) + return (SET_ERROR(EPERM)); + } + break; + + case ZFS_PROP_MLSLABEL: + if (!is_system_labeled()) + return (SET_ERROR(EPERM)); + + if (nvpair_value_string(propval, &strval) == 0) { + int err; + + err = zfs_set_slabel_policy(dsname, strval, CRED()); + if (err != 0) + return (err); + } + break; + } + + return (zfs_secpolicy_write_perms(dsname, zfs_prop_to_name(prop), cr)); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_set_fsacl(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + int error; + + error = zfs_dozonecheck(zc->zc_name, cr); + if (error != 0) + return (error); + + /* + * permission to set permissions will be evaluated later in + * dsl_deleg_can_allow() + */ + return (0); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_rollback(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + return (zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_ROLLBACK, cr)); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_send(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + char *cp; + int error; + + /* + * Generate the current snapshot name from the given objsetid, then + * use that name for the secpolicy/zone checks. + */ + cp = strchr(zc->zc_name, '@'); + if (cp == NULL) + return (SET_ERROR(EINVAL)); + error = dsl_pool_hold(zc->zc_name, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &ds); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + dsl_dataset_name(ds, zc->zc_name); + + error = zfs_secpolicy_write_perms_ds(zc->zc_name, ds, + ZFS_DELEG_PERM_SEND, cr); + dsl_dataset_rele(ds, FTAG); + dsl_pool_rele(dp, FTAG); + + return (error); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_send_new(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + return (zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_SEND, cr)); +} + +#ifdef HAVE_SMB_SHARE +/* ARGSUSED */ +static int +zfs_secpolicy_deleg_share(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + vnode_t *vp; + int error; + + if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, + NO_FOLLOW, NULL, &vp)) != 0) + return (error); + + /* Now make sure mntpnt and dataset are ZFS */ + + if (vp->v_vfsp->vfs_fstype != zfsfstype || + (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), + zc->zc_name) != 0)) { + VN_RELE(vp); + return (SET_ERROR(EPERM)); + } + + VN_RELE(vp); + return (dsl_deleg_access(zc->zc_name, + ZFS_DELEG_PERM_SHARE, cr)); +} +#endif /* HAVE_SMB_SHARE */ + +int +zfs_secpolicy_share(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ +#ifdef HAVE_SMB_SHARE + if (!INGLOBALZONE(curproc)) + return (SET_ERROR(EPERM)); + + if (secpolicy_nfs(cr) == 0) { + return (0); + } else { + return (zfs_secpolicy_deleg_share(zc, innvl, cr)); + } +#else + return (SET_ERROR(ENOTSUP)); +#endif /* HAVE_SMB_SHARE */ +} + +int +zfs_secpolicy_smb_acl(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ +#ifdef HAVE_SMB_SHARE + if (!INGLOBALZONE(curproc)) + return (SET_ERROR(EPERM)); + + if (secpolicy_smb(cr) == 0) { + return (0); + } else { + return (zfs_secpolicy_deleg_share(zc, innvl, cr)); + } +#else + return (SET_ERROR(ENOTSUP)); +#endif /* HAVE_SMB_SHARE */ +} + +static int +zfs_get_parent(const char *datasetname, char *parent, int parentsize) +{ + char *cp; + + /* + * Remove the @bla or /bla from the end of the name to get the parent. + */ + (void) strncpy(parent, datasetname, parentsize); + cp = strrchr(parent, '@'); + if (cp != NULL) { + cp[0] = '\0'; + } else { + cp = strrchr(parent, '/'); + if (cp == NULL) + return (SET_ERROR(ENOENT)); + cp[0] = '\0'; + } + + return (0); +} + +int +zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) +{ + int error; + + if ((error = zfs_secpolicy_write_perms(name, + ZFS_DELEG_PERM_MOUNT, cr)) != 0) + return (error); + + return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_destroy(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); +} + +/* + * Destroying snapshots with delegated permissions requires + * descendant mount and destroy permissions. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_destroy_snaps(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + nvlist_t *snaps; + nvpair_t *pair, *nextpair; + int error = 0; + + if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) + return (SET_ERROR(EINVAL)); + for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; + pair = nextpair) { + nextpair = nvlist_next_nvpair(snaps, pair); + error = zfs_secpolicy_destroy_perms(nvpair_name(pair), cr); + if (error == ENOENT) { + /* + * Ignore any snapshots that don't exist (we consider + * them "already destroyed"). Remove the name from the + * nvl here in case the snapshot is created between + * now and when we try to destroy it (in which case + * we don't want to destroy it since we haven't + * checked for permission). + */ + fnvlist_remove_nvpair(snaps, pair); + error = 0; + } + if (error != 0) + break; + } + + return (error); +} + +int +zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) +{ + char parentname[MAXNAMELEN]; + int error; + + if ((error = zfs_secpolicy_write_perms(from, + ZFS_DELEG_PERM_RENAME, cr)) != 0) + return (error); + + if ((error = zfs_secpolicy_write_perms(from, + ZFS_DELEG_PERM_MOUNT, cr)) != 0) + return (error); + + if ((error = zfs_get_parent(to, parentname, + sizeof (parentname))) != 0) + return (error); + + if ((error = zfs_secpolicy_write_perms(parentname, + ZFS_DELEG_PERM_CREATE, cr)) != 0) + return (error); + + if ((error = zfs_secpolicy_write_perms(parentname, + ZFS_DELEG_PERM_MOUNT, cr)) != 0) + return (error); + + return (error); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_rename(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_promote(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + dsl_pool_t *dp; + dsl_dataset_t *clone; + int error; + + error = zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_PROMOTE, cr); + if (error != 0) + return (error); + + error = dsl_pool_hold(zc->zc_name, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold(dp, zc->zc_name, FTAG, &clone); + + if (error == 0) { + char parentname[MAXNAMELEN]; + dsl_dataset_t *origin = NULL; + dsl_dir_t *dd; + dd = clone->ds_dir; + + error = dsl_dataset_hold_obj(dd->dd_pool, + dsl_dir_phys(dd)->dd_origin_obj, FTAG, &origin); + if (error != 0) { + dsl_dataset_rele(clone, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); + } + + error = zfs_secpolicy_write_perms_ds(zc->zc_name, clone, + ZFS_DELEG_PERM_MOUNT, cr); + + dsl_dataset_name(origin, parentname); + if (error == 0) { + error = zfs_secpolicy_write_perms_ds(parentname, origin, + ZFS_DELEG_PERM_PROMOTE, cr); + } + dsl_dataset_rele(clone, FTAG); + dsl_dataset_rele(origin, FTAG); + } + dsl_pool_rele(dp, FTAG); + return (error); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_recv(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + int error; + + if ((error = zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_RECEIVE, cr)) != 0) + return (error); + + if ((error = zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_MOUNT, cr)) != 0) + return (error); + + return (zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_CREATE, cr)); +} + +int +zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) +{ + return (zfs_secpolicy_write_perms(name, + ZFS_DELEG_PERM_SNAPSHOT, cr)); +} + +/* + * Check for permission to create each snapshot in the nvlist. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_snapshot(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + nvlist_t *snaps; + int error = 0; + nvpair_t *pair; + + if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) + return (SET_ERROR(EINVAL)); + for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; + pair = nvlist_next_nvpair(snaps, pair)) { + char *name = nvpair_name(pair); + char *atp = strchr(name, '@'); + + if (atp == NULL) { + error = SET_ERROR(EINVAL); + break; + } + *atp = '\0'; + error = zfs_secpolicy_snapshot_perms(name, cr); + *atp = '@'; + if (error != 0) + break; + } + return (error); +} + +/* + * Check for permission to create each snapshot in the nvlist. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_bookmark(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + int error = 0; + nvpair_t *pair; + + for (pair = nvlist_next_nvpair(innvl, NULL); + pair != NULL; pair = nvlist_next_nvpair(innvl, pair)) { + char *name = nvpair_name(pair); + char *hashp = strchr(name, '#'); + + if (hashp == NULL) { + error = SET_ERROR(EINVAL); + break; + } + *hashp = '\0'; + error = zfs_secpolicy_write_perms(name, + ZFS_DELEG_PERM_BOOKMARK, cr); + *hashp = '#'; + if (error != 0) + break; + } + return (error); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_destroy_bookmarks(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + nvpair_t *pair, *nextpair; + int error = 0; + + for (pair = nvlist_next_nvpair(innvl, NULL); pair != NULL; + pair = nextpair) { + char *name = nvpair_name(pair); + char *hashp = strchr(name, '#'); + nextpair = nvlist_next_nvpair(innvl, pair); + + if (hashp == NULL) { + error = SET_ERROR(EINVAL); + break; + } + + *hashp = '\0'; + error = zfs_secpolicy_write_perms(name, + ZFS_DELEG_PERM_DESTROY, cr); + *hashp = '#'; + if (error == ENOENT) { + /* + * Ignore any filesystems that don't exist (we consider + * their bookmarks "already destroyed"). Remove + * the name from the nvl here in case the filesystem + * is created between now and when we try to destroy + * the bookmark (in which case we don't want to + * destroy it since we haven't checked for permission). + */ + fnvlist_remove_nvpair(innvl, pair); + error = 0; + } + if (error != 0) + break; + } + + return (error); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_log_history(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + /* + * Even root must have a proper TSD so that we know what pool + * to log to. + */ + if (tsd_get(zfs_allow_log_key) == NULL) + return (SET_ERROR(EPERM)); + return (0); +} + +static int +zfs_secpolicy_create_clone(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + char parentname[MAXNAMELEN]; + int error; + char *origin; + + if ((error = zfs_get_parent(zc->zc_name, parentname, + sizeof (parentname))) != 0) + return (error); + + if (nvlist_lookup_string(innvl, "origin", &origin) == 0 && + (error = zfs_secpolicy_write_perms(origin, + ZFS_DELEG_PERM_CLONE, cr)) != 0) + return (error); + + if ((error = zfs_secpolicy_write_perms(parentname, + ZFS_DELEG_PERM_CREATE, cr)) != 0) + return (error); + + return (zfs_secpolicy_write_perms(parentname, + ZFS_DELEG_PERM_MOUNT, cr)); +} + +/* + * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires + * SYS_CONFIG privilege, which is not available in a local zone. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_config(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + if (secpolicy_sys_config(cr, B_FALSE) != 0) + return (SET_ERROR(EPERM)); + + return (0); +} + +/* + * Policy for object to name lookups. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_diff(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + int error; + + if ((error = secpolicy_sys_config(cr, B_FALSE)) == 0) + return (0); + + error = zfs_secpolicy_write_perms(zc->zc_name, ZFS_DELEG_PERM_DIFF, cr); + return (error); +} + +/* + * Policy for fault injection. Requires all privileges. + */ +/* ARGSUSED */ +static int +zfs_secpolicy_inject(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + return (secpolicy_zinject(cr)); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_inherit_prop(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); + + if (prop == ZPROP_INVAL) { + if (!zfs_prop_user(zc->zc_value)) + return (SET_ERROR(EINVAL)); + return (zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_USERPROP, cr)); + } else { + return (zfs_secpolicy_setprop(zc->zc_name, prop, + NULL, cr)); + } +} + +static int +zfs_secpolicy_userspace_one(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + int err = zfs_secpolicy_read(zc, innvl, cr); + if (err) + return (err); + + if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) + return (SET_ERROR(EINVAL)); + + if (zc->zc_value[0] == 0) { + /* + * They are asking about a posix uid/gid. If it's + * themself, allow it. + */ + if (zc->zc_objset_type == ZFS_PROP_USERUSED || + zc->zc_objset_type == ZFS_PROP_USERQUOTA) { + if (zc->zc_guid == crgetuid(cr)) + return (0); + } else { + if (groupmember(zc->zc_guid, cr)) + return (0); + } + } + + return (zfs_secpolicy_write_perms(zc->zc_name, + userquota_perms[zc->zc_objset_type], cr)); +} + +static int +zfs_secpolicy_userspace_many(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + int err = zfs_secpolicy_read(zc, innvl, cr); + if (err) + return (err); + + if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) + return (SET_ERROR(EINVAL)); + + return (zfs_secpolicy_write_perms(zc->zc_name, + userquota_perms[zc->zc_objset_type], cr)); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_userspace_upgrade(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + return (zfs_secpolicy_setprop(zc->zc_name, ZFS_PROP_VERSION, + NULL, cr)); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_hold(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + nvpair_t *pair; + nvlist_t *holds; + int error; + + error = nvlist_lookup_nvlist(innvl, "holds", &holds); + if (error != 0) + return (SET_ERROR(EINVAL)); + + for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; + pair = nvlist_next_nvpair(holds, pair)) { + char fsname[MAXNAMELEN]; + error = dmu_fsname(nvpair_name(pair), fsname); + if (error != 0) + return (error); + error = zfs_secpolicy_write_perms(fsname, + ZFS_DELEG_PERM_HOLD, cr); + if (error != 0) + return (error); + } + return (0); +} + +/* ARGSUSED */ +static int +zfs_secpolicy_release(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + nvpair_t *pair; + int error; + + for (pair = nvlist_next_nvpair(innvl, NULL); pair != NULL; + pair = nvlist_next_nvpair(innvl, pair)) { + char fsname[MAXNAMELEN]; + error = dmu_fsname(nvpair_name(pair), fsname); + if (error != 0) + return (error); + error = zfs_secpolicy_write_perms(fsname, + ZFS_DELEG_PERM_RELEASE, cr); + if (error != 0) + return (error); + } + return (0); +} + +/* + * Policy for allowing temporary snapshots to be taken or released + */ +static int +zfs_secpolicy_tmp_snapshot(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) +{ + /* + * A temporary snapshot is the same as a snapshot, + * hold, destroy and release all rolled into one. + * Delegated diff alone is sufficient that we allow this. + */ + int error; + + if ((error = zfs_secpolicy_write_perms(zc->zc_name, + ZFS_DELEG_PERM_DIFF, cr)) == 0) + return (0); + + error = zfs_secpolicy_snapshot_perms(zc->zc_name, cr); + if (error == 0) + error = zfs_secpolicy_hold(zc, innvl, cr); + if (error == 0) + error = zfs_secpolicy_release(zc, innvl, cr); + if (error == 0) + error = zfs_secpolicy_destroy(zc, innvl, cr); + return (error); +} + +/* + * Returns the nvlist as specified by the user in the zfs_cmd_t. + */ +static int +get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp) +{ + char *packed; + int error; + nvlist_t *list = NULL; + + /* + * Read in and unpack the user-supplied nvlist. + */ + if (size == 0) + return (SET_ERROR(EINVAL)); + + packed = vmem_alloc(size, KM_SLEEP); + + if ((error = ddi_copyin((void *)(uintptr_t)nvl, packed, size, + iflag)) != 0) { + vmem_free(packed, size); + return (SET_ERROR(EFAULT)); + } + + if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { + vmem_free(packed, size); + return (error); + } + + vmem_free(packed, size); + + *nvp = list; + return (0); +} + +/* + * Reduce the size of this nvlist until it can be serialized in 'max' bytes. + * Entries will be removed from the end of the nvlist, and one int32 entry + * named "N_MORE_ERRORS" will be added indicating how many entries were + * removed. + */ +static int +nvlist_smush(nvlist_t *errors, size_t max) +{ + size_t size; + + size = fnvlist_size(errors); + + if (size > max) { + nvpair_t *more_errors; + int n = 0; + + if (max < 1024) + return (SET_ERROR(ENOMEM)); + + fnvlist_add_int32(errors, ZPROP_N_MORE_ERRORS, 0); + more_errors = nvlist_prev_nvpair(errors, NULL); + + do { + nvpair_t *pair = nvlist_prev_nvpair(errors, + more_errors); + fnvlist_remove_nvpair(errors, pair); + n++; + size = fnvlist_size(errors); + } while (size > max); + + fnvlist_remove_nvpair(errors, more_errors); + fnvlist_add_int32(errors, ZPROP_N_MORE_ERRORS, n); + ASSERT3U(fnvlist_size(errors), <=, max); + } + + return (0); +} + +static int +put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) +{ + char *packed = NULL; + int error = 0; + size_t size; + + size = fnvlist_size(nvl); + + if (size > zc->zc_nvlist_dst_size) { + error = SET_ERROR(ENOMEM); + } else { + packed = fnvlist_pack(nvl, &size); + if (ddi_copyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, + size, zc->zc_iflags) != 0) + error = SET_ERROR(EFAULT); + fnvlist_pack_free(packed, size); + } + + zc->zc_nvlist_dst_size = size; + zc->zc_nvlist_dst_filled = B_TRUE; + return (error); +} + +static int +get_zfs_sb(const char *dsname, zfs_sb_t **zsbp) +{ + objset_t *os; + int error; + + error = dmu_objset_hold(dsname, FTAG, &os); + if (error != 0) + return (error); + if (dmu_objset_type(os) != DMU_OST_ZFS) { + dmu_objset_rele(os, FTAG); + return (SET_ERROR(EINVAL)); + } + + mutex_enter(&os->os_user_ptr_lock); + *zsbp = dmu_objset_get_user(os); + /* bump s_active only when non-zero to prevent umount race */ + if (*zsbp == NULL || (*zsbp)->z_sb == NULL || + !atomic_inc_not_zero(&((*zsbp)->z_sb->s_active))) { + error = SET_ERROR(ESRCH); + } + mutex_exit(&os->os_user_ptr_lock); + dmu_objset_rele(os, FTAG); + return (error); +} + +/* + * Find a zfs_sb_t for a mounted filesystem, or create our own, in which + * case its z_sb will be NULL, and it will be opened as the owner. + * If 'writer' is set, the z_teardown_lock will be held for RW_WRITER, + * which prevents all inode ops from running. + */ +static int +zfs_sb_hold(const char *name, void *tag, zfs_sb_t **zsbp, boolean_t writer) +{ + int error = 0; + + if (get_zfs_sb(name, zsbp) != 0) + error = zfs_sb_create(name, NULL, zsbp); + if (error == 0) { + rrm_enter(&(*zsbp)->z_teardown_lock, (writer) ? RW_WRITER : + RW_READER, tag); + if ((*zsbp)->z_unmounted) { + /* + * XXX we could probably try again, since the unmounting + * thread should be just about to disassociate the + * objset from the zsb. + */ + rrm_exit(&(*zsbp)->z_teardown_lock, tag); + return (SET_ERROR(EBUSY)); + } + } + return (error); +} + +static void +zfs_sb_rele(zfs_sb_t *zsb, void *tag) +{ + rrm_exit(&zsb->z_teardown_lock, tag); + + if (zsb->z_sb) { + deactivate_super(zsb->z_sb); + } else { + dmu_objset_disown(zsb->z_os, zsb); + zfs_sb_free(zsb); + } +} + +static int +zfs_ioc_pool_create(zfs_cmd_t *zc) +{ + int error; + nvlist_t *config, *props = NULL; + nvlist_t *rootprops = NULL; + nvlist_t *zplprops = NULL; + + if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, + zc->zc_iflags, &config))) + return (error); + + if (zc->zc_nvlist_src_size != 0 && (error = + get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &props))) { + nvlist_free(config); + return (error); + } + + if (props) { + nvlist_t *nvl = NULL; + uint64_t version = SPA_VERSION; + + (void) nvlist_lookup_uint64(props, + zpool_prop_to_name(ZPOOL_PROP_VERSION), &version); + if (!SPA_VERSION_IS_SUPPORTED(version)) { + error = SET_ERROR(EINVAL); + goto pool_props_bad; + } + (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl); + if (nvl) { + error = nvlist_dup(nvl, &rootprops, KM_SLEEP); + if (error != 0) { + nvlist_free(config); + nvlist_free(props); + return (error); + } + (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS); + } + VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); + error = zfs_fill_zplprops_root(version, rootprops, + zplprops, NULL); + if (error != 0) + goto pool_props_bad; + } + + error = spa_create(zc->zc_name, config, props, zplprops); + + /* + * Set the remaining root properties + */ + if (!error && (error = zfs_set_prop_nvlist(zc->zc_name, + ZPROP_SRC_LOCAL, rootprops, NULL)) != 0) + (void) spa_destroy(zc->zc_name); + +pool_props_bad: + nvlist_free(rootprops); + nvlist_free(zplprops); + nvlist_free(config); + nvlist_free(props); + + return (error); +} + +static int +zfs_ioc_pool_destroy(zfs_cmd_t *zc) +{ + int error; + zfs_log_history(zc); + error = spa_destroy(zc->zc_name); + + return (error); +} + +static int +zfs_ioc_pool_import(zfs_cmd_t *zc) +{ + nvlist_t *config, *props = NULL; + uint64_t guid; + int error; + + if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, + zc->zc_iflags, &config)) != 0) + return (error); + + if (zc->zc_nvlist_src_size != 0 && (error = + get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &props))) { + nvlist_free(config); + return (error); + } + + if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || + guid != zc->zc_guid) + error = SET_ERROR(EINVAL); + else + error = spa_import(zc->zc_name, config, props, zc->zc_cookie); + + if (zc->zc_nvlist_dst != 0) { + int err; + + if ((err = put_nvlist(zc, config)) != 0) + error = err; + } + + nvlist_free(config); + + if (props) + nvlist_free(props); + + return (error); +} + +static int +zfs_ioc_pool_export(zfs_cmd_t *zc) +{ + int error; + boolean_t force = (boolean_t)zc->zc_cookie; + boolean_t hardforce = (boolean_t)zc->zc_guid; + + zfs_log_history(zc); + error = spa_export(zc->zc_name, NULL, force, hardforce); + + return (error); +} + +static int +zfs_ioc_pool_configs(zfs_cmd_t *zc) +{ + nvlist_t *configs; + int error; + + if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) + return (SET_ERROR(EEXIST)); + + error = put_nvlist(zc, configs); + + nvlist_free(configs); + + return (error); +} + +/* + * inputs: + * zc_name name of the pool + * + * outputs: + * zc_cookie real errno + * zc_nvlist_dst config nvlist + * zc_nvlist_dst_size size of config nvlist + */ +static int +zfs_ioc_pool_stats(zfs_cmd_t *zc) +{ + nvlist_t *config; + int error; + int ret = 0; + + error = spa_get_stats(zc->zc_name, &config, zc->zc_value, + sizeof (zc->zc_value)); + + if (config != NULL) { + ret = put_nvlist(zc, config); + nvlist_free(config); + + /* + * The config may be present even if 'error' is non-zero. + * In this case we return success, and preserve the real errno + * in 'zc_cookie'. + */ + zc->zc_cookie = error; + } else { + ret = error; + } + + return (ret); +} + +/* + * Try to import the given pool, returning pool stats as appropriate so that + * user land knows which devices are available and overall pool health. + */ +static int +zfs_ioc_pool_tryimport(zfs_cmd_t *zc) +{ + nvlist_t *tryconfig, *config; + int error; + + if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, + zc->zc_iflags, &tryconfig)) != 0) + return (error); + + config = spa_tryimport(tryconfig); + + nvlist_free(tryconfig); + + if (config == NULL) + return (SET_ERROR(EINVAL)); + + error = put_nvlist(zc, config); + nvlist_free(config); + + return (error); +} + +/* + * inputs: + * zc_name name of the pool + * zc_cookie scan func (pool_scan_func_t) + */ +static int +zfs_ioc_pool_scan(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + + if (zc->zc_cookie == POOL_SCAN_NONE) + error = spa_scan_stop(spa); + else + error = spa_scan(spa, zc->zc_cookie); + + spa_close(spa, FTAG); + + return (error); +} + +static int +zfs_ioc_pool_freeze(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + + error = spa_open(zc->zc_name, &spa, FTAG); + if (error == 0) { + spa_freeze(spa); + spa_close(spa, FTAG); + } + return (error); +} + +static int +zfs_ioc_pool_upgrade(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + + if (zc->zc_cookie < spa_version(spa) || + !SPA_VERSION_IS_SUPPORTED(zc->zc_cookie)) { + spa_close(spa, FTAG); + return (SET_ERROR(EINVAL)); + } + + spa_upgrade(spa, zc->zc_cookie); + spa_close(spa, FTAG); + + return (error); +} + +static int +zfs_ioc_pool_get_history(zfs_cmd_t *zc) +{ + spa_t *spa; + char *hist_buf; + uint64_t size; + int error; + + if ((size = zc->zc_history_len) == 0) + return (SET_ERROR(EINVAL)); + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + + if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { + spa_close(spa, FTAG); + return (SET_ERROR(ENOTSUP)); + } + + hist_buf = vmem_alloc(size, KM_SLEEP); + if ((error = spa_history_get(spa, &zc->zc_history_offset, + &zc->zc_history_len, hist_buf)) == 0) { + error = ddi_copyout(hist_buf, + (void *)(uintptr_t)zc->zc_history, + zc->zc_history_len, zc->zc_iflags); + } + + spa_close(spa, FTAG); + vmem_free(hist_buf, size); + return (error); +} + +static int +zfs_ioc_pool_reguid(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + + error = spa_open(zc->zc_name, &spa, FTAG); + if (error == 0) { + error = spa_change_guid(spa); + spa_close(spa, FTAG); + } + return (error); +} + +static int +zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) +{ + return (dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_obj object to find + * + * outputs: + * zc_value name of object + */ +static int +zfs_ioc_obj_to_path(zfs_cmd_t *zc) +{ + objset_t *os; + int error; + + /* XXX reading from objset not owned */ + if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os)) != 0) + return (error); + if (dmu_objset_type(os) != DMU_OST_ZFS) { + dmu_objset_rele(os, FTAG); + return (SET_ERROR(EINVAL)); + } + error = zfs_obj_to_path(os, zc->zc_obj, zc->zc_value, + sizeof (zc->zc_value)); + dmu_objset_rele(os, FTAG); + + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_obj object to find + * + * outputs: + * zc_stat stats on object + * zc_value path to object + */ +static int +zfs_ioc_obj_to_stats(zfs_cmd_t *zc) +{ + objset_t *os; + int error; + + /* XXX reading from objset not owned */ + if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os)) != 0) + return (error); + if (dmu_objset_type(os) != DMU_OST_ZFS) { + dmu_objset_rele(os, FTAG); + return (SET_ERROR(EINVAL)); + } + error = zfs_obj_to_stats(os, zc->zc_obj, &zc->zc_stat, zc->zc_value, + sizeof (zc->zc_value)); + dmu_objset_rele(os, FTAG); + + return (error); +} + +static int +zfs_ioc_vdev_add(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + nvlist_t *config; + + error = spa_open(zc->zc_name, &spa, FTAG); + if (error != 0) + return (error); + + error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, + zc->zc_iflags, &config); + if (error == 0) { + error = spa_vdev_add(spa, config); + nvlist_free(config); + } + spa_close(spa, FTAG); + return (error); +} + +/* + * inputs: + * zc_name name of the pool + * zc_nvlist_conf nvlist of devices to remove + * zc_cookie to stop the remove? + */ +static int +zfs_ioc_vdev_remove(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + + error = spa_open(zc->zc_name, &spa, FTAG); + if (error != 0) + return (error); + error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); + spa_close(spa, FTAG); + return (error); +} + +static int +zfs_ioc_vdev_set_state(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + vdev_state_t newstate = VDEV_STATE_UNKNOWN; + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + switch (zc->zc_cookie) { + case VDEV_STATE_ONLINE: + error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); + break; + + case VDEV_STATE_OFFLINE: + error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); + break; + + case VDEV_STATE_FAULTED: + if (zc->zc_obj != VDEV_AUX_ERR_EXCEEDED && + zc->zc_obj != VDEV_AUX_EXTERNAL) + zc->zc_obj = VDEV_AUX_ERR_EXCEEDED; + + error = vdev_fault(spa, zc->zc_guid, zc->zc_obj); + break; + + case VDEV_STATE_DEGRADED: + if (zc->zc_obj != VDEV_AUX_ERR_EXCEEDED && + zc->zc_obj != VDEV_AUX_EXTERNAL) + zc->zc_obj = VDEV_AUX_ERR_EXCEEDED; + + error = vdev_degrade(spa, zc->zc_guid, zc->zc_obj); + break; + + default: + error = SET_ERROR(EINVAL); + } + zc->zc_cookie = newstate; + spa_close(spa, FTAG); + return (error); +} + +static int +zfs_ioc_vdev_attach(zfs_cmd_t *zc) +{ + spa_t *spa; + int replacing = zc->zc_cookie; + nvlist_t *config; + int error; + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + + if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, + zc->zc_iflags, &config)) == 0) { + error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); + nvlist_free(config); + } + + spa_close(spa, FTAG); + return (error); +} + +static int +zfs_ioc_vdev_detach(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + + error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE); + + spa_close(spa, FTAG); + return (error); +} + +static int +zfs_ioc_vdev_split(zfs_cmd_t *zc) +{ + spa_t *spa; + nvlist_t *config, *props = NULL; + int error; + boolean_t exp = !!(zc->zc_cookie & ZPOOL_EXPORT_AFTER_SPLIT); + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + + if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, + zc->zc_iflags, &config))) { + spa_close(spa, FTAG); + return (error); + } + + if (zc->zc_nvlist_src_size != 0 && (error = + get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &props))) { + spa_close(spa, FTAG); + nvlist_free(config); + return (error); + } + + error = spa_vdev_split_mirror(spa, zc->zc_string, config, props, exp); + + spa_close(spa, FTAG); + + nvlist_free(config); + nvlist_free(props); + + return (error); +} + +static int +zfs_ioc_vdev_setpath(zfs_cmd_t *zc) +{ + spa_t *spa; + char *path = zc->zc_value; + uint64_t guid = zc->zc_guid; + int error; + + error = spa_open(zc->zc_name, &spa, FTAG); + if (error != 0) + return (error); + + error = spa_vdev_setpath(spa, guid, path); + spa_close(spa, FTAG); + return (error); +} + +static int +zfs_ioc_vdev_setfru(zfs_cmd_t *zc) +{ + spa_t *spa; + char *fru = zc->zc_value; + uint64_t guid = zc->zc_guid; + int error; + + error = spa_open(zc->zc_name, &spa, FTAG); + if (error != 0) + return (error); + + error = spa_vdev_setfru(spa, guid, fru); + spa_close(spa, FTAG); + return (error); +} + +static int +zfs_ioc_objset_stats_impl(zfs_cmd_t *zc, objset_t *os) +{ + int error = 0; + nvlist_t *nv; + + dmu_objset_fast_stat(os, &zc->zc_objset_stats); + + if (zc->zc_nvlist_dst != 0 && + (error = dsl_prop_get_all(os, &nv)) == 0) { + dmu_objset_stats(os, nv); + /* + * NB: zvol_get_stats() will read the objset contents, + * which we aren't supposed to do with a + * DS_MODE_USER hold, because it could be + * inconsistent. So this is a bit of a workaround... + * XXX reading with out owning + */ + if (!zc->zc_objset_stats.dds_inconsistent && + dmu_objset_type(os) == DMU_OST_ZVOL) { + error = zvol_get_stats(os, nv); + if (error == EIO) + return (error); + VERIFY0(error); + } + if (error == 0) + error = put_nvlist(zc, nv); + nvlist_free(nv); + } + + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_nvlist_dst_size size of buffer for property nvlist + * + * outputs: + * zc_objset_stats stats + * zc_nvlist_dst property nvlist + * zc_nvlist_dst_size size of property nvlist + */ +static int +zfs_ioc_objset_stats(zfs_cmd_t *zc) +{ + objset_t *os; + int error; + + error = dmu_objset_hold(zc->zc_name, FTAG, &os); + if (error == 0) { + error = zfs_ioc_objset_stats_impl(zc, os); + dmu_objset_rele(os, FTAG); + } + + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_nvlist_dst_size size of buffer for property nvlist + * + * outputs: + * zc_nvlist_dst received property nvlist + * zc_nvlist_dst_size size of received property nvlist + * + * Gets received properties (distinct from local properties on or after + * SPA_VERSION_RECVD_PROPS) for callers who want to differentiate received from + * local property values. + */ +static int +zfs_ioc_objset_recvd_props(zfs_cmd_t *zc) +{ + int error = 0; + nvlist_t *nv; + + /* + * Without this check, we would return local property values if the + * caller has not already received properties on or after + * SPA_VERSION_RECVD_PROPS. + */ + if (!dsl_prop_get_hasrecvd(zc->zc_name)) + return (SET_ERROR(ENOTSUP)); + + if (zc->zc_nvlist_dst != 0 && + (error = dsl_prop_get_received(zc->zc_name, &nv)) == 0) { + error = put_nvlist(zc, nv); + nvlist_free(nv); + } + + return (error); +} + +static int +nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop) +{ + uint64_t value; + int error; + + /* + * zfs_get_zplprop() will either find a value or give us + * the default value (if there is one). + */ + if ((error = zfs_get_zplprop(os, prop, &value)) != 0) + return (error); + VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0); + return (0); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_nvlist_dst_size size of buffer for zpl property nvlist + * + * outputs: + * zc_nvlist_dst zpl property nvlist + * zc_nvlist_dst_size size of zpl property nvlist + */ +static int +zfs_ioc_objset_zplprops(zfs_cmd_t *zc) +{ + objset_t *os; + int err; + + /* XXX reading without owning */ + if ((err = dmu_objset_hold(zc->zc_name, FTAG, &os))) + return (err); + + dmu_objset_fast_stat(os, &zc->zc_objset_stats); + + /* + * NB: nvl_add_zplprop() will read the objset contents, + * which we aren't supposed to do with a DS_MODE_USER + * hold, because it could be inconsistent. + */ + if (zc->zc_nvlist_dst != 0 && + !zc->zc_objset_stats.dds_inconsistent && + dmu_objset_type(os) == DMU_OST_ZFS) { + nvlist_t *nv; + + VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); + if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 && + (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 && + (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 && + (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0) + err = put_nvlist(zc, nv); + nvlist_free(nv); + } else { + err = SET_ERROR(ENOENT); + } + dmu_objset_rele(os, FTAG); + return (err); +} + +boolean_t +dataset_name_hidden(const char *name) +{ + /* + * Skip over datasets that are not visible in this zone, + * internal datasets (which have a $ in their name), and + * temporary datasets (which have a % in their name). + */ + if (strchr(name, '$') != NULL) + return (B_TRUE); + if (strchr(name, '%') != NULL) + return (B_TRUE); + if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL)) + return (B_TRUE); + return (B_FALSE); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_cookie zap cursor + * zc_nvlist_dst_size size of buffer for property nvlist + * + * outputs: + * zc_name name of next filesystem + * zc_cookie zap cursor + * zc_objset_stats stats + * zc_nvlist_dst property nvlist + * zc_nvlist_dst_size size of property nvlist + */ +static int +zfs_ioc_dataset_list_next(zfs_cmd_t *zc) +{ + objset_t *os; + int error; + char *p; + size_t orig_len = strlen(zc->zc_name); + +top: + if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os))) { + if (error == ENOENT) + error = SET_ERROR(ESRCH); + return (error); + } + + p = strrchr(zc->zc_name, '/'); + if (p == NULL || p[1] != '\0') + (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); + p = zc->zc_name + strlen(zc->zc_name); + + do { + error = dmu_dir_list_next(os, + sizeof (zc->zc_name) - (p - zc->zc_name), p, + NULL, &zc->zc_cookie); + if (error == ENOENT) + error = SET_ERROR(ESRCH); + } while (error == 0 && dataset_name_hidden(zc->zc_name)); + dmu_objset_rele(os, FTAG); + + /* + * If it's an internal dataset (ie. with a '$' in its name), + * don't try to get stats for it, otherwise we'll return ENOENT. + */ + if (error == 0 && strchr(zc->zc_name, '$') == NULL) { + error = zfs_ioc_objset_stats(zc); /* fill in the stats */ + if (error == ENOENT) { + /* We lost a race with destroy, get the next one. */ + zc->zc_name[orig_len] = '\0'; + goto top; + } + } + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_cookie zap cursor + * zc_nvlist_dst_size size of buffer for property nvlist + * + * outputs: + * zc_name name of next snapshot + * zc_objset_stats stats + * zc_nvlist_dst property nvlist + * zc_nvlist_dst_size size of property nvlist + */ +static int +zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) +{ + objset_t *os; + int error; + + error = dmu_objset_hold(zc->zc_name, FTAG, &os); + if (error != 0) { + return (error == ENOENT ? ESRCH : error); + } + + /* + * A dataset name of maximum length cannot have any snapshots, + * so exit immediately. + */ + if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { + dmu_objset_rele(os, FTAG); + return (SET_ERROR(ESRCH)); + } + + error = dmu_snapshot_list_next(os, + sizeof (zc->zc_name) - strlen(zc->zc_name), + zc->zc_name + strlen(zc->zc_name), &zc->zc_obj, &zc->zc_cookie, + NULL); + + if (error == 0 && !zc->zc_simple) { + dsl_dataset_t *ds; + dsl_pool_t *dp = os->os_dsl_dataset->ds_dir->dd_pool; + + error = dsl_dataset_hold_obj(dp, zc->zc_obj, FTAG, &ds); + if (error == 0) { + objset_t *ossnap; + + error = dmu_objset_from_ds(ds, &ossnap); + if (error == 0) + error = zfs_ioc_objset_stats_impl(zc, ossnap); + dsl_dataset_rele(ds, FTAG); + } + } else if (error == ENOENT) { + error = SET_ERROR(ESRCH); + } + + dmu_objset_rele(os, FTAG); + /* if we failed, undo the @ that we tacked on to zc_name */ + if (error != 0) + *strchr(zc->zc_name, '@') = '\0'; + return (error); +} + +static int +zfs_prop_set_userquota(const char *dsname, nvpair_t *pair) +{ + const char *propname = nvpair_name(pair); + uint64_t *valary; + unsigned int vallen; + const char *domain; + char *dash; + zfs_userquota_prop_t type; + uint64_t rid; + uint64_t quota; + zfs_sb_t *zsb; + int err; + + if (nvpair_type(pair) == DATA_TYPE_NVLIST) { + nvlist_t *attrs; + VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); + if (nvlist_lookup_nvpair(attrs, ZPROP_VALUE, + &pair) != 0) + return (SET_ERROR(EINVAL)); + } + + /* + * A correctly constructed propname is encoded as + * userquota@-. + */ + if ((dash = strchr(propname, '-')) == NULL || + nvpair_value_uint64_array(pair, &valary, &vallen) != 0 || + vallen != 3) + return (SET_ERROR(EINVAL)); + + domain = dash + 1; + type = valary[0]; + rid = valary[1]; + quota = valary[2]; + + err = zfs_sb_hold(dsname, FTAG, &zsb, B_FALSE); + if (err == 0) { + err = zfs_set_userquota(zsb, type, domain, rid, quota); + zfs_sb_rele(zsb, FTAG); + } + + return (err); +} + +/* + * If the named property is one that has a special function to set its value, + * return 0 on success and a positive error code on failure; otherwise if it is + * not one of the special properties handled by this function, return -1. + * + * XXX: It would be better for callers of the property interface if we handled + * these special cases in dsl_prop.c (in the dsl layer). + */ +static int +zfs_prop_set_special(const char *dsname, zprop_source_t source, + nvpair_t *pair) +{ + const char *propname = nvpair_name(pair); + zfs_prop_t prop = zfs_name_to_prop(propname); + uint64_t intval; + int err = -1; + + if (prop == ZPROP_INVAL) { + if (zfs_prop_userquota(propname)) + return (zfs_prop_set_userquota(dsname, pair)); + return (-1); + } + + if (nvpair_type(pair) == DATA_TYPE_NVLIST) { + nvlist_t *attrs; + VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); + VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, + &pair) == 0); + } + + if (zfs_prop_get_type(prop) == PROP_TYPE_STRING) + return (-1); + + VERIFY(0 == nvpair_value_uint64(pair, &intval)); + + switch (prop) { + case ZFS_PROP_QUOTA: + err = dsl_dir_set_quota(dsname, source, intval); + break; + case ZFS_PROP_REFQUOTA: + err = dsl_dataset_set_refquota(dsname, source, intval); + break; + case ZFS_PROP_FILESYSTEM_LIMIT: + case ZFS_PROP_SNAPSHOT_LIMIT: + if (intval == UINT64_MAX) { + /* clearing the limit, just do it */ + err = 0; + } else { + err = dsl_dir_activate_fs_ss_limit(dsname); + } + /* + * Set err to -1 to force the zfs_set_prop_nvlist code down the + * default path to set the value in the nvlist. + */ + if (err == 0) + err = -1; + break; + case ZFS_PROP_RESERVATION: + err = dsl_dir_set_reservation(dsname, source, intval); + break; + case ZFS_PROP_REFRESERVATION: + err = dsl_dataset_set_refreservation(dsname, source, intval); + break; + case ZFS_PROP_VOLSIZE: + err = zvol_set_volsize(dsname, intval); + break; + case ZFS_PROP_SNAPDEV: + err = zvol_set_snapdev(dsname, source, intval); + break; + case ZFS_PROP_VERSION: + { + zfs_sb_t *zsb; + + if ((err = zfs_sb_hold(dsname, FTAG, &zsb, B_TRUE)) != 0) + break; + + err = zfs_set_version(zsb, intval); + zfs_sb_rele(zsb, FTAG); + + if (err == 0 && intval >= ZPL_VERSION_USERSPACE) { + zfs_cmd_t *zc; + + zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); + (void) strcpy(zc->zc_name, dsname); + (void) zfs_ioc_userspace_upgrade(zc); + kmem_free(zc, sizeof (zfs_cmd_t)); + } + break; + } + default: + err = -1; + } + + return (err); +} + +/* + * This function is best effort. If it fails to set any of the given properties, + * it continues to set as many as it can and returns the last error + * encountered. If the caller provides a non-NULL errlist, it will be filled in + * with the list of names of all the properties that failed along with the + * corresponding error numbers. + * + * If every property is set successfully, zero is returned and errlist is not + * modified. + */ +int +zfs_set_prop_nvlist(const char *dsname, zprop_source_t source, nvlist_t *nvl, + nvlist_t *errlist) +{ + nvpair_t *pair; + nvpair_t *propval; + int rv = 0; + uint64_t intval; + char *strval; + + nvlist_t *genericnvl = fnvlist_alloc(); + nvlist_t *retrynvl = fnvlist_alloc(); +retry: + pair = NULL; + while ((pair = nvlist_next_nvpair(nvl, pair)) != NULL) { + const char *propname = nvpair_name(pair); + zfs_prop_t prop = zfs_name_to_prop(propname); + int err = 0; + + /* decode the property value */ + propval = pair; + if (nvpair_type(pair) == DATA_TYPE_NVLIST) { + nvlist_t *attrs; + attrs = fnvpair_value_nvlist(pair); + if (nvlist_lookup_nvpair(attrs, ZPROP_VALUE, + &propval) != 0) + err = SET_ERROR(EINVAL); + } + + /* Validate value type */ + if (err == 0 && prop == ZPROP_INVAL) { + if (zfs_prop_user(propname)) { + if (nvpair_type(propval) != DATA_TYPE_STRING) + err = SET_ERROR(EINVAL); + } else if (zfs_prop_userquota(propname)) { + if (nvpair_type(propval) != + DATA_TYPE_UINT64_ARRAY) + err = SET_ERROR(EINVAL); + } else { + err = SET_ERROR(EINVAL); + } + } else if (err == 0) { + if (nvpair_type(propval) == DATA_TYPE_STRING) { + if (zfs_prop_get_type(prop) != PROP_TYPE_STRING) + err = SET_ERROR(EINVAL); + } else if (nvpair_type(propval) == DATA_TYPE_UINT64) { + const char *unused; + + intval = fnvpair_value_uint64(propval); + + switch (zfs_prop_get_type(prop)) { + case PROP_TYPE_NUMBER: + break; + case PROP_TYPE_STRING: + err = SET_ERROR(EINVAL); + break; + case PROP_TYPE_INDEX: + if (zfs_prop_index_to_string(prop, + intval, &unused) != 0) + err = SET_ERROR(EINVAL); + break; + default: + cmn_err(CE_PANIC, + "unknown property type"); + } + } else { + err = SET_ERROR(EINVAL); + } + } + + /* Validate permissions */ + if (err == 0) + err = zfs_check_settable(dsname, pair, CRED()); + + if (err == 0) { + err = zfs_prop_set_special(dsname, source, pair); + if (err == -1) { + /* + * For better performance we build up a list of + * properties to set in a single transaction. + */ + err = nvlist_add_nvpair(genericnvl, pair); + } else if (err != 0 && nvl != retrynvl) { + /* + * This may be a spurious error caused by + * receiving quota and reservation out of order. + * Try again in a second pass. + */ + err = nvlist_add_nvpair(retrynvl, pair); + } + } + + if (err != 0) { + if (errlist != NULL) + fnvlist_add_int32(errlist, propname, err); + rv = err; + } + } + + if (nvl != retrynvl && !nvlist_empty(retrynvl)) { + nvl = retrynvl; + goto retry; + } + + if (!nvlist_empty(genericnvl) && + dsl_props_set(dsname, source, genericnvl) != 0) { + /* + * If this fails, we still want to set as many properties as we + * can, so try setting them individually. + */ + pair = NULL; + while ((pair = nvlist_next_nvpair(genericnvl, pair)) != NULL) { + const char *propname = nvpair_name(pair); + int err = 0; + + propval = pair; + if (nvpair_type(pair) == DATA_TYPE_NVLIST) { + nvlist_t *attrs; + attrs = fnvpair_value_nvlist(pair); + propval = fnvlist_lookup_nvpair(attrs, + ZPROP_VALUE); + } + + if (nvpair_type(propval) == DATA_TYPE_STRING) { + strval = fnvpair_value_string(propval); + err = dsl_prop_set_string(dsname, propname, + source, strval); + } else { + intval = fnvpair_value_uint64(propval); + err = dsl_prop_set_int(dsname, propname, source, + intval); + } + + if (err != 0) { + if (errlist != NULL) { + fnvlist_add_int32(errlist, propname, + err); + } + rv = err; + } + } + } + nvlist_free(genericnvl); + nvlist_free(retrynvl); + + return (rv); +} + +/* + * Check that all the properties are valid user properties. + */ +static int +zfs_check_userprops(const char *fsname, nvlist_t *nvl) +{ + nvpair_t *pair = NULL; + int error = 0; + + while ((pair = nvlist_next_nvpair(nvl, pair)) != NULL) { + const char *propname = nvpair_name(pair); + + if (!zfs_prop_user(propname) || + nvpair_type(pair) != DATA_TYPE_STRING) + return (SET_ERROR(EINVAL)); + + if ((error = zfs_secpolicy_write_perms(fsname, + ZFS_DELEG_PERM_USERPROP, CRED()))) + return (error); + + if (strlen(propname) >= ZAP_MAXNAMELEN) + return (SET_ERROR(ENAMETOOLONG)); + + if (strlen(fnvpair_value_string(pair)) >= ZAP_MAXVALUELEN) + return (SET_ERROR(E2BIG)); + } + return (0); +} + +static void +props_skip(nvlist_t *props, nvlist_t *skipped, nvlist_t **newprops) +{ + nvpair_t *pair; + + VERIFY(nvlist_alloc(newprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + pair = NULL; + while ((pair = nvlist_next_nvpair(props, pair)) != NULL) { + if (nvlist_exists(skipped, nvpair_name(pair))) + continue; + + VERIFY(nvlist_add_nvpair(*newprops, pair) == 0); + } +} + +static int +clear_received_props(const char *dsname, nvlist_t *props, + nvlist_t *skipped) +{ + int err = 0; + nvlist_t *cleared_props = NULL; + props_skip(props, skipped, &cleared_props); + if (!nvlist_empty(cleared_props)) { + /* + * Acts on local properties until the dataset has received + * properties at least once on or after SPA_VERSION_RECVD_PROPS. + */ + zprop_source_t flags = (ZPROP_SRC_NONE | + (dsl_prop_get_hasrecvd(dsname) ? ZPROP_SRC_RECEIVED : 0)); + err = zfs_set_prop_nvlist(dsname, flags, cleared_props, NULL); + } + nvlist_free(cleared_props); + return (err); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_value name of property to set + * zc_nvlist_src{_size} nvlist of properties to apply + * zc_cookie received properties flag + * + * outputs: + * zc_nvlist_dst{_size} error for each unapplied received property + */ +static int +zfs_ioc_set_prop(zfs_cmd_t *zc) +{ + nvlist_t *nvl; + boolean_t received = zc->zc_cookie; + zprop_source_t source = (received ? ZPROP_SRC_RECEIVED : + ZPROP_SRC_LOCAL); + nvlist_t *errors; + int error; + + if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &nvl)) != 0) + return (error); + + if (received) { + nvlist_t *origprops; + + if (dsl_prop_get_received(zc->zc_name, &origprops) == 0) { + (void) clear_received_props(zc->zc_name, + origprops, nvl); + nvlist_free(origprops); + } + + error = dsl_prop_set_hasrecvd(zc->zc_name); + } + + errors = fnvlist_alloc(); + if (error == 0) + error = zfs_set_prop_nvlist(zc->zc_name, source, nvl, errors); + + if (zc->zc_nvlist_dst != 0 && errors != NULL) { + (void) put_nvlist(zc, errors); + } + + nvlist_free(errors); + nvlist_free(nvl); + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_value name of property to inherit + * zc_cookie revert to received value if TRUE + * + * outputs: none + */ +static int +zfs_ioc_inherit_prop(zfs_cmd_t *zc) +{ + const char *propname = zc->zc_value; + zfs_prop_t prop = zfs_name_to_prop(propname); + boolean_t received = zc->zc_cookie; + zprop_source_t source = (received + ? ZPROP_SRC_NONE /* revert to received value, if any */ + : ZPROP_SRC_INHERITED); /* explicitly inherit */ + + if (received) { + nvlist_t *dummy; + nvpair_t *pair; + zprop_type_t type; + int err; + + /* + * zfs_prop_set_special() expects properties in the form of an + * nvpair with type info. + */ + if (prop == ZPROP_INVAL) { + if (!zfs_prop_user(propname)) + return (SET_ERROR(EINVAL)); + + type = PROP_TYPE_STRING; + } else if (prop == ZFS_PROP_VOLSIZE || + prop == ZFS_PROP_VERSION) { + return (SET_ERROR(EINVAL)); + } else { + type = zfs_prop_get_type(prop); + } + + VERIFY(nvlist_alloc(&dummy, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + switch (type) { + case PROP_TYPE_STRING: + VERIFY(0 == nvlist_add_string(dummy, propname, "")); + break; + case PROP_TYPE_NUMBER: + case PROP_TYPE_INDEX: + VERIFY(0 == nvlist_add_uint64(dummy, propname, 0)); + break; + default: + nvlist_free(dummy); + return (SET_ERROR(EINVAL)); + } + + pair = nvlist_next_nvpair(dummy, NULL); + err = zfs_prop_set_special(zc->zc_name, source, pair); + nvlist_free(dummy); + if (err != -1) + return (err); /* special property already handled */ + } else { + /* + * Only check this in the non-received case. We want to allow + * 'inherit -S' to revert non-inheritable properties like quota + * and reservation to the received or default values even though + * they are not considered inheritable. + */ + if (prop != ZPROP_INVAL && !zfs_prop_inheritable(prop)) + return (SET_ERROR(EINVAL)); + } + + /* property name has been validated by zfs_secpolicy_inherit_prop() */ + return (dsl_prop_inherit(zc->zc_name, zc->zc_value, source)); +} + +static int +zfs_ioc_pool_set_props(zfs_cmd_t *zc) +{ + nvlist_t *props; + spa_t *spa; + int error; + nvpair_t *pair; + + if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &props))) + return (error); + + /* + * If the only property is the configfile, then just do a spa_lookup() + * to handle the faulted case. + */ + pair = nvlist_next_nvpair(props, NULL); + if (pair != NULL && strcmp(nvpair_name(pair), + zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 && + nvlist_next_nvpair(props, pair) == NULL) { + mutex_enter(&spa_namespace_lock); + if ((spa = spa_lookup(zc->zc_name)) != NULL) { + spa_configfile_set(spa, props, B_FALSE); + spa_config_sync(spa, B_FALSE, B_TRUE); + } + mutex_exit(&spa_namespace_lock); + if (spa != NULL) { + nvlist_free(props); + return (0); + } + } + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { + nvlist_free(props); + return (error); + } + + error = spa_prop_set(spa, props); + + nvlist_free(props); + spa_close(spa, FTAG); + + return (error); +} + +static int +zfs_ioc_pool_get_props(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + nvlist_t *nvp = NULL; + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { + /* + * If the pool is faulted, there may be properties we can still + * get (such as altroot and cachefile), so attempt to get them + * anyway. + */ + mutex_enter(&spa_namespace_lock); + if ((spa = spa_lookup(zc->zc_name)) != NULL) + error = spa_prop_get(spa, &nvp); + mutex_exit(&spa_namespace_lock); + } else { + error = spa_prop_get(spa, &nvp); + spa_close(spa, FTAG); + } + + if (error == 0 && zc->zc_nvlist_dst != 0) + error = put_nvlist(zc, nvp); + else + error = SET_ERROR(EFAULT); + + nvlist_free(nvp); + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_nvlist_src{_size} nvlist of delegated permissions + * zc_perm_action allow/unallow flag + * + * outputs: none + */ +static int +zfs_ioc_set_fsacl(zfs_cmd_t *zc) +{ + int error; + nvlist_t *fsaclnv = NULL; + + if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &fsaclnv)) != 0) + return (error); + + /* + * Verify nvlist is constructed correctly + */ + if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { + nvlist_free(fsaclnv); + return (SET_ERROR(EINVAL)); + } + + /* + * If we don't have PRIV_SYS_MOUNT, then validate + * that user is allowed to hand out each permission in + * the nvlist(s) + */ + + error = secpolicy_zfs(CRED()); + if (error != 0) { + if (zc->zc_perm_action == B_FALSE) { + error = dsl_deleg_can_allow(zc->zc_name, + fsaclnv, CRED()); + } else { + error = dsl_deleg_can_unallow(zc->zc_name, + fsaclnv, CRED()); + } + } + + if (error == 0) + error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); + + nvlist_free(fsaclnv); + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * + * outputs: + * zc_nvlist_src{_size} nvlist of delegated permissions + */ +static int +zfs_ioc_get_fsacl(zfs_cmd_t *zc) +{ + nvlist_t *nvp; + int error; + + if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { + error = put_nvlist(zc, nvp); + nvlist_free(nvp); + } + + return (error); +} + +/* ARGSUSED */ +static void +zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) +{ + zfs_creat_t *zct = arg; + + zfs_create_fs(os, cr, zct->zct_zplprops, tx); +} + +#define ZFS_PROP_UNDEFINED ((uint64_t)-1) + +/* + * inputs: + * os parent objset pointer (NULL if root fs) + * fuids_ok fuids allowed in this version of the spa? + * sa_ok SAs allowed in this version of the spa? + * createprops list of properties requested by creator + * + * outputs: + * zplprops values for the zplprops we attach to the master node object + * is_ci true if requested file system will be purely case-insensitive + * + * Determine the settings for utf8only, normalization and + * casesensitivity. Specific values may have been requested by the + * creator and/or we can inherit values from the parent dataset. If + * the file system is of too early a vintage, a creator can not + * request settings for these properties, even if the requested + * setting is the default value. We don't actually want to create dsl + * properties for these, so remove them from the source nvlist after + * processing. + */ +static int +zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver, + boolean_t fuids_ok, boolean_t sa_ok, nvlist_t *createprops, + nvlist_t *zplprops, boolean_t *is_ci) +{ + uint64_t sense = ZFS_PROP_UNDEFINED; + uint64_t norm = ZFS_PROP_UNDEFINED; + uint64_t u8 = ZFS_PROP_UNDEFINED; + int error; + + ASSERT(zplprops != NULL); + + /* + * Pull out creator prop choices, if any. + */ + if (createprops) { + (void) nvlist_lookup_uint64(createprops, + zfs_prop_to_name(ZFS_PROP_VERSION), &zplver); + (void) nvlist_lookup_uint64(createprops, + zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm); + (void) nvlist_remove_all(createprops, + zfs_prop_to_name(ZFS_PROP_NORMALIZE)); + (void) nvlist_lookup_uint64(createprops, + zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8); + (void) nvlist_remove_all(createprops, + zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); + (void) nvlist_lookup_uint64(createprops, + zfs_prop_to_name(ZFS_PROP_CASE), &sense); + (void) nvlist_remove_all(createprops, + zfs_prop_to_name(ZFS_PROP_CASE)); + } + + /* + * If the zpl version requested is whacky or the file system + * or pool is version is too "young" to support normalization + * and the creator tried to set a value for one of the props, + * error out. + */ + if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) || + (zplver >= ZPL_VERSION_FUID && !fuids_ok) || + (zplver >= ZPL_VERSION_SA && !sa_ok) || + (zplver < ZPL_VERSION_NORMALIZATION && + (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED || + sense != ZFS_PROP_UNDEFINED))) + return (SET_ERROR(ENOTSUP)); + + /* + * Put the version in the zplprops + */ + VERIFY(nvlist_add_uint64(zplprops, + zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0); + + if (norm == ZFS_PROP_UNDEFINED && + (error = zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm)) != 0) + return (error); + VERIFY(nvlist_add_uint64(zplprops, + zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0); + + /* + * If we're normalizing, names must always be valid UTF-8 strings. + */ + if (norm) + u8 = 1; + if (u8 == ZFS_PROP_UNDEFINED && + (error = zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8)) != 0) + return (error); + VERIFY(nvlist_add_uint64(zplprops, + zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0); + + if (sense == ZFS_PROP_UNDEFINED && + (error = zfs_get_zplprop(os, ZFS_PROP_CASE, &sense)) != 0) + return (error); + VERIFY(nvlist_add_uint64(zplprops, + zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0); + + if (is_ci) + *is_ci = (sense == ZFS_CASE_INSENSITIVE); + + return (0); +} + +static int +zfs_fill_zplprops(const char *dataset, nvlist_t *createprops, + nvlist_t *zplprops, boolean_t *is_ci) +{ + boolean_t fuids_ok, sa_ok; + uint64_t zplver = ZPL_VERSION; + objset_t *os = NULL; + char parentname[MAXNAMELEN]; + char *cp; + spa_t *spa; + uint64_t spa_vers; + int error; + + (void) strlcpy(parentname, dataset, sizeof (parentname)); + cp = strrchr(parentname, '/'); + ASSERT(cp != NULL); + cp[0] = '\0'; + + if ((error = spa_open(dataset, &spa, FTAG)) != 0) + return (error); + + spa_vers = spa_version(spa); + spa_close(spa, FTAG); + + zplver = zfs_zpl_version_map(spa_vers); + fuids_ok = (zplver >= ZPL_VERSION_FUID); + sa_ok = (zplver >= ZPL_VERSION_SA); + + /* + * Open parent object set so we can inherit zplprop values. + */ + if ((error = dmu_objset_hold(parentname, FTAG, &os)) != 0) + return (error); + + error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, sa_ok, createprops, + zplprops, is_ci); + dmu_objset_rele(os, FTAG); + return (error); +} + +static int +zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops, + nvlist_t *zplprops, boolean_t *is_ci) +{ + boolean_t fuids_ok; + boolean_t sa_ok; + uint64_t zplver = ZPL_VERSION; + int error; + + zplver = zfs_zpl_version_map(spa_vers); + fuids_ok = (zplver >= ZPL_VERSION_FUID); + sa_ok = (zplver >= ZPL_VERSION_SA); + + error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, sa_ok, + createprops, zplprops, is_ci); + return (error); +} + +/* + * innvl: { + * "type" -> dmu_objset_type_t (int32) + * (optional) "props" -> { prop -> value } + * } + * + * outnvl: propname -> error code (int32) + */ +static int +zfs_ioc_create(const char *fsname, nvlist_t *innvl, nvlist_t *outnvl) +{ + int error = 0; + zfs_creat_t zct = { 0 }; + nvlist_t *nvprops = NULL; + void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); + int32_t type32; + dmu_objset_type_t type; + boolean_t is_insensitive = B_FALSE; + + if (nvlist_lookup_int32(innvl, "type", &type32) != 0) + return (SET_ERROR(EINVAL)); + type = type32; + (void) nvlist_lookup_nvlist(innvl, "props", &nvprops); + + switch (type) { + case DMU_OST_ZFS: + cbfunc = zfs_create_cb; + break; + + case DMU_OST_ZVOL: + cbfunc = zvol_create_cb; + break; + + default: + cbfunc = NULL; + break; + } + if (strchr(fsname, '@') || + strchr(fsname, '%')) + return (SET_ERROR(EINVAL)); + + zct.zct_props = nvprops; + + if (cbfunc == NULL) + return (SET_ERROR(EINVAL)); + + if (type == DMU_OST_ZVOL) { + uint64_t volsize, volblocksize; + + if (nvprops == NULL) + return (SET_ERROR(EINVAL)); + if (nvlist_lookup_uint64(nvprops, + zfs_prop_to_name(ZFS_PROP_VOLSIZE), &volsize) != 0) + return (SET_ERROR(EINVAL)); + + if ((error = nvlist_lookup_uint64(nvprops, + zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), + &volblocksize)) != 0 && error != ENOENT) + return (SET_ERROR(EINVAL)); + + if (error != 0) + volblocksize = zfs_prop_default_numeric( + ZFS_PROP_VOLBLOCKSIZE); + + if ((error = zvol_check_volblocksize(fsname, + volblocksize)) != 0 || + (error = zvol_check_volsize(volsize, + volblocksize)) != 0) + return (error); + } else if (type == DMU_OST_ZFS) { + int error; + + /* + * We have to have normalization and + * case-folding flags correct when we do the + * file system creation, so go figure them out + * now. + */ + VERIFY(nvlist_alloc(&zct.zct_zplprops, + NV_UNIQUE_NAME, KM_SLEEP) == 0); + error = zfs_fill_zplprops(fsname, nvprops, + zct.zct_zplprops, &is_insensitive); + if (error != 0) { + nvlist_free(zct.zct_zplprops); + return (error); + } + } + + error = dmu_objset_create(fsname, type, + is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct); + nvlist_free(zct.zct_zplprops); + + /* + * It would be nice to do this atomically. + */ + if (error == 0) { + error = zfs_set_prop_nvlist(fsname, ZPROP_SRC_LOCAL, + nvprops, outnvl); + if (error != 0) + (void) dsl_destroy_head(fsname); + } + return (error); +} + +/* + * innvl: { + * "origin" -> name of origin snapshot + * (optional) "props" -> { prop -> value } + * } + * + * outputs: + * outnvl: propname -> error code (int32) + */ +static int +zfs_ioc_clone(const char *fsname, nvlist_t *innvl, nvlist_t *outnvl) +{ + int error = 0; + nvlist_t *nvprops = NULL; + char *origin_name; + + if (nvlist_lookup_string(innvl, "origin", &origin_name) != 0) + return (SET_ERROR(EINVAL)); + (void) nvlist_lookup_nvlist(innvl, "props", &nvprops); + + if (strchr(fsname, '@') || + strchr(fsname, '%')) + return (SET_ERROR(EINVAL)); + + if (dataset_namecheck(origin_name, NULL, NULL) != 0) + return (SET_ERROR(EINVAL)); + error = dmu_objset_clone(fsname, origin_name); + if (error != 0) + return (error); + + /* + * It would be nice to do this atomically. + */ + if (error == 0) { + error = zfs_set_prop_nvlist(fsname, ZPROP_SRC_LOCAL, + nvprops, outnvl); + if (error != 0) + (void) dsl_destroy_head(fsname); + } + return (error); +} + +/* + * innvl: { + * "snaps" -> { snapshot1, snapshot2 } + * (optional) "props" -> { prop -> value (string) } + * } + * + * outnvl: snapshot -> error code (int32) + */ +static int +zfs_ioc_snapshot(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl) +{ + nvlist_t *snaps; + nvlist_t *props = NULL; + int error, poollen; + nvpair_t *pair, *pair2; + + (void) nvlist_lookup_nvlist(innvl, "props", &props); + if ((error = zfs_check_userprops(poolname, props)) != 0) + return (error); + + if (!nvlist_empty(props) && + zfs_earlier_version(poolname, SPA_VERSION_SNAP_PROPS)) + return (SET_ERROR(ENOTSUP)); + + if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) + return (SET_ERROR(EINVAL)); + poollen = strlen(poolname); + for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; + pair = nvlist_next_nvpair(snaps, pair)) { + const char *name = nvpair_name(pair); + const char *cp = strchr(name, '@'); + + /* + * The snap name must contain an @, and the part after it must + * contain only valid characters. + */ + if (cp == NULL || + zfs_component_namecheck(cp + 1, NULL, NULL) != 0) + return (SET_ERROR(EINVAL)); + + /* + * The snap must be in the specified pool. + */ + if (strncmp(name, poolname, poollen) != 0 || + (name[poollen] != '/' && name[poollen] != '@')) + return (SET_ERROR(EXDEV)); + + /* This must be the only snap of this fs. */ + for (pair2 = nvlist_next_nvpair(snaps, pair); + pair2 != NULL; pair2 = nvlist_next_nvpair(snaps, pair2)) { + if (strncmp(name, nvpair_name(pair2), cp - name + 1) + == 0) { + return (SET_ERROR(EXDEV)); + } + } + } + + error = dsl_dataset_snapshot(snaps, props, outnvl); + + return (error); +} + +/* + * innvl: "message" -> string + */ +/* ARGSUSED */ +static int +zfs_ioc_log_history(const char *unused, nvlist_t *innvl, nvlist_t *outnvl) +{ + char *message; + spa_t *spa; + int error; + char *poolname; + + /* + * The poolname in the ioctl is not set, we get it from the TSD, + * which was set at the end of the last successful ioctl that allows + * logging. The secpolicy func already checked that it is set. + * Only one log ioctl is allowed after each successful ioctl, so + * we clear the TSD here. + */ + poolname = tsd_get(zfs_allow_log_key); + (void) tsd_set(zfs_allow_log_key, NULL); + error = spa_open(poolname, &spa, FTAG); + strfree(poolname); + if (error != 0) + return (error); + + if (nvlist_lookup_string(innvl, "message", &message) != 0) { + spa_close(spa, FTAG); + return (SET_ERROR(EINVAL)); + } + + if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { + spa_close(spa, FTAG); + return (SET_ERROR(ENOTSUP)); + } + + error = spa_history_log(spa, message); + spa_close(spa, FTAG); + return (error); +} + +/* + * The dp_config_rwlock must not be held when calling this, because the + * unmount may need to write out data. + * + * This function is best-effort. Callers must deal gracefully if it + * remains mounted (or is remounted after this call). + * + * Returns 0 if the argument is not a snapshot, or it is not currently a + * filesystem, or we were able to unmount it. Returns error code otherwise. + */ +int +zfs_unmount_snap(const char *snapname) +{ + int err; + + if (strchr(snapname, '@') == NULL) + return (0); + + err = zfsctl_snapshot_unmount((char *)snapname, MNT_FORCE); + if (err != 0 && err != ENOENT) + return (SET_ERROR(err)); + + return (0); +} + +/* ARGSUSED */ +static int +zfs_unmount_snap_cb(const char *snapname, void *arg) +{ + return (zfs_unmount_snap(snapname)); +} + +/* + * When a clone is destroyed, its origin may also need to be destroyed, + * in which case it must be unmounted. This routine will do that unmount + * if necessary. + */ +void +zfs_destroy_unmount_origin(const char *fsname) +{ + int error; + objset_t *os; + dsl_dataset_t *ds; + + error = dmu_objset_hold(fsname, FTAG, &os); + if (error != 0) + return; + ds = dmu_objset_ds(os); + if (dsl_dir_is_clone(ds->ds_dir) && DS_IS_DEFER_DESTROY(ds->ds_prev)) { + char originname[MAXNAMELEN]; + dsl_dataset_name(ds->ds_prev, originname); + dmu_objset_rele(os, FTAG); + (void) zfs_unmount_snap(originname); + } else { + dmu_objset_rele(os, FTAG); + } +} + +/* + * innvl: { + * "snaps" -> { snapshot1, snapshot2 } + * (optional boolean) "defer" + * } + * + * outnvl: snapshot -> error code (int32) + */ +/* ARGSUSED */ +static int +zfs_ioc_destroy_snaps(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl) +{ + nvlist_t *snaps; + nvpair_t *pair; + boolean_t defer; + + if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) + return (SET_ERROR(EINVAL)); + defer = nvlist_exists(innvl, "defer"); + + for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; + pair = nvlist_next_nvpair(snaps, pair)) { + (void) zfs_unmount_snap(nvpair_name(pair)); + } + + return (dsl_destroy_snapshots_nvl(snaps, defer, outnvl)); +} + +/* + * Create bookmarks. Bookmark names are of the form #. + * All bookmarks must be in the same pool. + * + * innvl: { + * bookmark1 -> snapshot1, bookmark2 -> snapshot2 + * } + * + * outnvl: bookmark -> error code (int32) + * + */ +/* ARGSUSED */ +static int +zfs_ioc_bookmark(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl) +{ + nvpair_t *pair, *pair2; + + for (pair = nvlist_next_nvpair(innvl, NULL); + pair != NULL; pair = nvlist_next_nvpair(innvl, pair)) { + char *snap_name; + + /* + * Verify the snapshot argument. + */ + if (nvpair_value_string(pair, &snap_name) != 0) + return (SET_ERROR(EINVAL)); + + + /* Verify that the keys (bookmarks) are unique */ + for (pair2 = nvlist_next_nvpair(innvl, pair); + pair2 != NULL; pair2 = nvlist_next_nvpair(innvl, pair2)) { + if (strcmp(nvpair_name(pair), nvpair_name(pair2)) == 0) + return (SET_ERROR(EINVAL)); + } + } + + return (dsl_bookmark_create(innvl, outnvl)); +} + +/* + * innvl: { + * property 1, property 2, ... + * } + * + * outnvl: { + * bookmark name 1 -> { property 1, property 2, ... }, + * bookmark name 2 -> { property 1, property 2, ... } + * } + * + */ +static int +zfs_ioc_get_bookmarks(const char *fsname, nvlist_t *innvl, nvlist_t *outnvl) +{ + return (dsl_get_bookmarks(fsname, innvl, outnvl)); +} + +/* + * innvl: { + * bookmark name 1, bookmark name 2 + * } + * + * outnvl: bookmark -> error code (int32) + * + */ +static int +zfs_ioc_destroy_bookmarks(const char *poolname, nvlist_t *innvl, + nvlist_t *outnvl) +{ + int error, poollen; + nvpair_t *pair; + + poollen = strlen(poolname); + for (pair = nvlist_next_nvpair(innvl, NULL); + pair != NULL; pair = nvlist_next_nvpair(innvl, pair)) { + const char *name = nvpair_name(pair); + const char *cp = strchr(name, '#'); + + /* + * The bookmark name must contain an #, and the part after it + * must contain only valid characters. + */ + if (cp == NULL || + zfs_component_namecheck(cp + 1, NULL, NULL) != 0) + return (SET_ERROR(EINVAL)); + + /* + * The bookmark must be in the specified pool. + */ + if (strncmp(name, poolname, poollen) != 0 || + (name[poollen] != '/' && name[poollen] != '#')) + return (SET_ERROR(EXDEV)); + } + + error = dsl_bookmark_destroy(innvl, outnvl); + return (error); +} + +/* + * inputs: + * zc_name name of dataset to destroy + * zc_objset_type type of objset + * zc_defer_destroy mark for deferred destroy + * + * outputs: none + */ +static int +zfs_ioc_destroy(zfs_cmd_t *zc) +{ + int err; + + if (zc->zc_objset_type == DMU_OST_ZFS) { + err = zfs_unmount_snap(zc->zc_name); + if (err != 0) + return (err); + } + + if (strchr(zc->zc_name, '@')) + err = dsl_destroy_snapshot(zc->zc_name, zc->zc_defer_destroy); + else + err = dsl_destroy_head(zc->zc_name); + + return (err); +} + +/* + * fsname is name of dataset to rollback (to most recent snapshot) + * + * innvl is not used. + * + * outnvl: "target" -> name of most recent snapshot + * } + */ +/* ARGSUSED */ +static int +zfs_ioc_rollback(const char *fsname, nvlist_t *args, nvlist_t *outnvl) +{ + zfs_sb_t *zsb; + int error; + + if (get_zfs_sb(fsname, &zsb) == 0) { + error = zfs_suspend_fs(zsb); + if (error == 0) { + int resume_err; + + error = dsl_dataset_rollback(fsname, zsb, outnvl); + resume_err = zfs_resume_fs(zsb, fsname); + error = error ? error : resume_err; + } + deactivate_super(zsb->z_sb); + } else { + error = dsl_dataset_rollback(fsname, NULL, outnvl); + } + return (error); +} + +static int +recursive_unmount(const char *fsname, void *arg) +{ + const char *snapname = arg; + char *fullname; + int error; + + fullname = kmem_asprintf("%s@%s", fsname, snapname); + error = zfs_unmount_snap(fullname); + strfree(fullname); + + return (error); +} + +/* + * inputs: + * zc_name old name of dataset + * zc_value new name of dataset + * zc_cookie recursive flag (only valid for snapshots) + * + * outputs: none + */ +static int +zfs_ioc_rename(zfs_cmd_t *zc) +{ + boolean_t recursive = zc->zc_cookie & 1; + char *at; + + zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; + if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || + strchr(zc->zc_value, '%')) + return (SET_ERROR(EINVAL)); + + at = strchr(zc->zc_name, '@'); + if (at != NULL) { + /* snaps must be in same fs */ + int error; + + if (strncmp(zc->zc_name, zc->zc_value, at - zc->zc_name + 1)) + return (SET_ERROR(EXDEV)); + *at = '\0'; + if (zc->zc_objset_type == DMU_OST_ZFS) { + error = dmu_objset_find(zc->zc_name, + recursive_unmount, at + 1, + recursive ? DS_FIND_CHILDREN : 0); + if (error != 0) { + *at = '@'; + return (error); + } + } + error = dsl_dataset_rename_snapshot(zc->zc_name, + at + 1, strchr(zc->zc_value, '@') + 1, recursive); + *at = '@'; + + return (error); + } else { + return (dsl_dir_rename(zc->zc_name, zc->zc_value)); + } +} + +static int +zfs_check_settable(const char *dsname, nvpair_t *pair, cred_t *cr) +{ + const char *propname = nvpair_name(pair); + boolean_t issnap = (strchr(dsname, '@') != NULL); + zfs_prop_t prop = zfs_name_to_prop(propname); + uint64_t intval; + int err; + + if (prop == ZPROP_INVAL) { + if (zfs_prop_user(propname)) { + if ((err = zfs_secpolicy_write_perms(dsname, + ZFS_DELEG_PERM_USERPROP, cr))) + return (err); + return (0); + } + + if (!issnap && zfs_prop_userquota(propname)) { + const char *perm = NULL; + const char *uq_prefix = + zfs_userquota_prop_prefixes[ZFS_PROP_USERQUOTA]; + const char *gq_prefix = + zfs_userquota_prop_prefixes[ZFS_PROP_GROUPQUOTA]; + + if (strncmp(propname, uq_prefix, + strlen(uq_prefix)) == 0) { + perm = ZFS_DELEG_PERM_USERQUOTA; + } else if (strncmp(propname, gq_prefix, + strlen(gq_prefix)) == 0) { + perm = ZFS_DELEG_PERM_GROUPQUOTA; + } else { + /* USERUSED and GROUPUSED are read-only */ + return (SET_ERROR(EINVAL)); + } + + if ((err = zfs_secpolicy_write_perms(dsname, perm, cr))) + return (err); + return (0); + } + + return (SET_ERROR(EINVAL)); + } + + if (issnap) + return (SET_ERROR(EINVAL)); + + if (nvpair_type(pair) == DATA_TYPE_NVLIST) { + /* + * dsl_prop_get_all_impl() returns properties in this + * format. + */ + nvlist_t *attrs; + VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); + VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, + &pair) == 0); + } + + /* + * Check that this value is valid for this pool version + */ + switch (prop) { + case ZFS_PROP_COMPRESSION: + /* + * If the user specified gzip compression, make sure + * the SPA supports it. We ignore any errors here since + * we'll catch them later. + */ + if (nvpair_value_uint64(pair, &intval) == 0) { + if (intval >= ZIO_COMPRESS_GZIP_1 && + intval <= ZIO_COMPRESS_GZIP_9 && + zfs_earlier_version(dsname, + SPA_VERSION_GZIP_COMPRESSION)) { + return (SET_ERROR(ENOTSUP)); + } + + if (intval == ZIO_COMPRESS_ZLE && + zfs_earlier_version(dsname, + SPA_VERSION_ZLE_COMPRESSION)) + return (SET_ERROR(ENOTSUP)); + + if (intval == ZIO_COMPRESS_LZ4) { + spa_t *spa; + + if ((err = spa_open(dsname, &spa, FTAG)) != 0) + return (err); + + if (!spa_feature_is_enabled(spa, + SPA_FEATURE_LZ4_COMPRESS)) { + spa_close(spa, FTAG); + return (SET_ERROR(ENOTSUP)); + } + spa_close(spa, FTAG); + } + + /* + * If this is a bootable dataset then + * verify that the compression algorithm + * is supported for booting. We must return + * something other than ENOTSUP since it + * implies a downrev pool version. + */ + if (zfs_is_bootfs(dsname) && + !BOOTFS_COMPRESS_VALID(intval)) { + return (SET_ERROR(ERANGE)); + } + } + break; + + case ZFS_PROP_COPIES: + if (zfs_earlier_version(dsname, SPA_VERSION_DITTO_BLOCKS)) + return (SET_ERROR(ENOTSUP)); + break; + + case ZFS_PROP_DEDUP: + if (zfs_earlier_version(dsname, SPA_VERSION_DEDUP)) + return (SET_ERROR(ENOTSUP)); + break; + + case ZFS_PROP_VOLBLOCKSIZE: + case ZFS_PROP_RECORDSIZE: + /* Record sizes above 128k need the feature to be enabled */ + if (nvpair_value_uint64(pair, &intval) == 0 && + intval > SPA_OLD_MAXBLOCKSIZE) { + spa_t *spa; + + /* + * If this is a bootable dataset then + * the we don't allow large (>128K) blocks, + * because GRUB doesn't support them. + */ + if (zfs_is_bootfs(dsname) && + intval > SPA_OLD_MAXBLOCKSIZE) { + return (SET_ERROR(EDOM)); + } + + /* + * We don't allow setting the property above 1MB, + * unless the tunable has been changed. + */ + if (intval > zfs_max_recordsize || + intval > SPA_MAXBLOCKSIZE) + return (SET_ERROR(EDOM)); + + if ((err = spa_open(dsname, &spa, FTAG)) != 0) + return (err); + + if (!spa_feature_is_enabled(spa, + SPA_FEATURE_LARGE_BLOCKS)) { + spa_close(spa, FTAG); + return (SET_ERROR(ENOTSUP)); + } + spa_close(spa, FTAG); + } + break; + + case ZFS_PROP_SHARESMB: + if (zpl_earlier_version(dsname, ZPL_VERSION_FUID)) + return (SET_ERROR(ENOTSUP)); + break; + + case ZFS_PROP_ACLINHERIT: + if (nvpair_type(pair) == DATA_TYPE_UINT64 && + nvpair_value_uint64(pair, &intval) == 0) { + if (intval == ZFS_ACL_PASSTHROUGH_X && + zfs_earlier_version(dsname, + SPA_VERSION_PASSTHROUGH_X)) + return (SET_ERROR(ENOTSUP)); + } + break; + default: + break; + } + + return (zfs_secpolicy_setprop(dsname, prop, pair, CRED())); +} + +/* + * Removes properties from the given props list that fail permission checks + * needed to clear them and to restore them in case of a receive error. For each + * property, make sure we have both set and inherit permissions. + * + * Returns the first error encountered if any permission checks fail. If the + * caller provides a non-NULL errlist, it also gives the complete list of names + * of all the properties that failed a permission check along with the + * corresponding error numbers. The caller is responsible for freeing the + * returned errlist. + * + * If every property checks out successfully, zero is returned and the list + * pointed at by errlist is NULL. + */ +static int +zfs_check_clearable(char *dataset, nvlist_t *props, nvlist_t **errlist) +{ + zfs_cmd_t *zc; + nvpair_t *pair, *next_pair; + nvlist_t *errors; + int err, rv = 0; + + if (props == NULL) + return (0); + + VERIFY(nvlist_alloc(&errors, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP); + (void) strcpy(zc->zc_name, dataset); + pair = nvlist_next_nvpair(props, NULL); + while (pair != NULL) { + next_pair = nvlist_next_nvpair(props, pair); + + (void) strcpy(zc->zc_value, nvpair_name(pair)); + if ((err = zfs_check_settable(dataset, pair, CRED())) != 0 || + (err = zfs_secpolicy_inherit_prop(zc, NULL, CRED())) != 0) { + VERIFY(nvlist_remove_nvpair(props, pair) == 0); + VERIFY(nvlist_add_int32(errors, + zc->zc_value, err) == 0); + } + pair = next_pair; + } + kmem_free(zc, sizeof (zfs_cmd_t)); + + if ((pair = nvlist_next_nvpair(errors, NULL)) == NULL) { + nvlist_free(errors); + errors = NULL; + } else { + VERIFY(nvpair_value_int32(pair, &rv) == 0); + } + + if (errlist == NULL) + nvlist_free(errors); + else + *errlist = errors; + + return (rv); +} + +static boolean_t +propval_equals(nvpair_t *p1, nvpair_t *p2) +{ + if (nvpair_type(p1) == DATA_TYPE_NVLIST) { + /* dsl_prop_get_all_impl() format */ + nvlist_t *attrs; + VERIFY(nvpair_value_nvlist(p1, &attrs) == 0); + VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, + &p1) == 0); + } + + if (nvpair_type(p2) == DATA_TYPE_NVLIST) { + nvlist_t *attrs; + VERIFY(nvpair_value_nvlist(p2, &attrs) == 0); + VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, + &p2) == 0); + } + + if (nvpair_type(p1) != nvpair_type(p2)) + return (B_FALSE); + + if (nvpair_type(p1) == DATA_TYPE_STRING) { + char *valstr1, *valstr2; + + VERIFY(nvpair_value_string(p1, (char **)&valstr1) == 0); + VERIFY(nvpair_value_string(p2, (char **)&valstr2) == 0); + return (strcmp(valstr1, valstr2) == 0); + } else { + uint64_t intval1, intval2; + + VERIFY(nvpair_value_uint64(p1, &intval1) == 0); + VERIFY(nvpair_value_uint64(p2, &intval2) == 0); + return (intval1 == intval2); + } +} + +/* + * Remove properties from props if they are not going to change (as determined + * by comparison with origprops). Remove them from origprops as well, since we + * do not need to clear or restore properties that won't change. + */ +static void +props_reduce(nvlist_t *props, nvlist_t *origprops) +{ + nvpair_t *pair, *next_pair; + + if (origprops == NULL) + return; /* all props need to be received */ + + pair = nvlist_next_nvpair(props, NULL); + while (pair != NULL) { + const char *propname = nvpair_name(pair); + nvpair_t *match; + + next_pair = nvlist_next_nvpair(props, pair); + + if ((nvlist_lookup_nvpair(origprops, propname, + &match) != 0) || !propval_equals(pair, match)) + goto next; /* need to set received value */ + + /* don't clear the existing received value */ + (void) nvlist_remove_nvpair(origprops, match); + /* don't bother receiving the property */ + (void) nvlist_remove_nvpair(props, pair); +next: + pair = next_pair; + } +} + +#ifdef DEBUG +static boolean_t zfs_ioc_recv_inject_err; +#endif + +/* + * inputs: + * zc_name name of containing filesystem + * zc_nvlist_src{_size} nvlist of properties to apply + * zc_value name of snapshot to create + * zc_string name of clone origin (if DRR_FLAG_CLONE) + * zc_cookie file descriptor to recv from + * zc_begin_record the BEGIN record of the stream (not byteswapped) + * zc_guid force flag + * zc_cleanup_fd cleanup-on-exit file descriptor + * zc_action_handle handle for this guid/ds mapping (or zero on first call) + * + * outputs: + * zc_cookie number of bytes read + * zc_nvlist_dst{_size} error for each unapplied received property + * zc_obj zprop_errflags_t + * zc_action_handle handle for this guid/ds mapping + */ +static int +zfs_ioc_recv(zfs_cmd_t *zc) +{ + file_t *fp; + dmu_recv_cookie_t drc; + boolean_t force = (boolean_t)zc->zc_guid; + int fd; + int error = 0; + int props_error = 0; + nvlist_t *errors; + offset_t off; + nvlist_t *props = NULL; /* sent properties */ + nvlist_t *origprops = NULL; /* existing properties */ + char *origin = NULL; + char *tosnap; + char tofs[ZFS_MAXNAMELEN]; + boolean_t first_recvd_props = B_FALSE; + + if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || + strchr(zc->zc_value, '@') == NULL || + strchr(zc->zc_value, '%')) + return (SET_ERROR(EINVAL)); + + (void) strcpy(tofs, zc->zc_value); + tosnap = strchr(tofs, '@'); + *tosnap++ = '\0'; + + if (zc->zc_nvlist_src != 0 && + (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &props)) != 0) + return (error); + + fd = zc->zc_cookie; + fp = getf(fd); + if (fp == NULL) { + nvlist_free(props); + return (SET_ERROR(EBADF)); + } + + VERIFY(nvlist_alloc(&errors, NV_UNIQUE_NAME, KM_SLEEP) == 0); + + if (zc->zc_string[0]) + origin = zc->zc_string; + + error = dmu_recv_begin(tofs, tosnap, + &zc->zc_begin_record, force, origin, &drc); + if (error != 0) + goto out; + + /* + * Set properties before we receive the stream so that they are applied + * to the new data. Note that we must call dmu_recv_stream() if + * dmu_recv_begin() succeeds. + */ + if (props != NULL && !drc.drc_newfs) { + if (spa_version(dsl_dataset_get_spa(drc.drc_ds)) >= + SPA_VERSION_RECVD_PROPS && + !dsl_prop_get_hasrecvd(tofs)) + first_recvd_props = B_TRUE; + + /* + * If new received properties are supplied, they are to + * completely replace the existing received properties, so stash + * away the existing ones. + */ + if (dsl_prop_get_received(tofs, &origprops) == 0) { + nvlist_t *errlist = NULL; + /* + * Don't bother writing a property if its value won't + * change (and avoid the unnecessary security checks). + * + * The first receive after SPA_VERSION_RECVD_PROPS is a + * special case where we blow away all local properties + * regardless. + */ + if (!first_recvd_props) + props_reduce(props, origprops); + if (zfs_check_clearable(tofs, origprops, &errlist) != 0) + (void) nvlist_merge(errors, errlist, 0); + nvlist_free(errlist); + + if (clear_received_props(tofs, origprops, + first_recvd_props ? NULL : props) != 0) + zc->zc_obj |= ZPROP_ERR_NOCLEAR; + } else { + zc->zc_obj |= ZPROP_ERR_NOCLEAR; + } + } + + if (props != NULL) { + props_error = dsl_prop_set_hasrecvd(tofs); + + if (props_error == 0) { + (void) zfs_set_prop_nvlist(tofs, ZPROP_SRC_RECEIVED, + props, errors); + } + } + + if (zc->zc_nvlist_dst_size != 0 && + (nvlist_smush(errors, zc->zc_nvlist_dst_size) != 0 || + put_nvlist(zc, errors) != 0)) { + /* + * Caller made zc->zc_nvlist_dst less than the minimum expected + * size or supplied an invalid address. + */ + props_error = SET_ERROR(EINVAL); + } + + off = fp->f_offset; + error = dmu_recv_stream(&drc, fp->f_vnode, &off, zc->zc_cleanup_fd, + &zc->zc_action_handle); + + if (error == 0) { + zfs_sb_t *zsb = NULL; + + if (get_zfs_sb(tofs, &zsb) == 0) { + /* online recv */ + int end_err; + + error = zfs_suspend_fs(zsb); + /* + * If the suspend fails, then the recv_end will + * likely also fail, and clean up after itself. + */ + end_err = dmu_recv_end(&drc, zsb); + if (error == 0) + error = zfs_resume_fs(zsb, tofs); + error = error ? error : end_err; + deactivate_super(zsb->z_sb); + } else { + error = dmu_recv_end(&drc, NULL); + } + } + + zc->zc_cookie = off - fp->f_offset; + if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) + fp->f_offset = off; + +#ifdef DEBUG + if (zfs_ioc_recv_inject_err) { + zfs_ioc_recv_inject_err = B_FALSE; + error = 1; + } +#endif + + /* + * On error, restore the original props. + */ + if (error != 0 && props != NULL && !drc.drc_newfs) { + if (clear_received_props(tofs, props, NULL) != 0) { + /* + * We failed to clear the received properties. + * Since we may have left a $recvd value on the + * system, we can't clear the $hasrecvd flag. + */ + zc->zc_obj |= ZPROP_ERR_NORESTORE; + } else if (first_recvd_props) { + dsl_prop_unset_hasrecvd(tofs); + } + + if (origprops == NULL && !drc.drc_newfs) { + /* We failed to stash the original properties. */ + zc->zc_obj |= ZPROP_ERR_NORESTORE; + } + + /* + * dsl_props_set() will not convert RECEIVED to LOCAL on or + * after SPA_VERSION_RECVD_PROPS, so we need to specify LOCAL + * explictly if we're restoring local properties cleared in the + * first new-style receive. + */ + if (origprops != NULL && + zfs_set_prop_nvlist(tofs, (first_recvd_props ? + ZPROP_SRC_LOCAL : ZPROP_SRC_RECEIVED), + origprops, NULL) != 0) { + /* + * We stashed the original properties but failed to + * restore them. + */ + zc->zc_obj |= ZPROP_ERR_NORESTORE; + } + } +out: + nvlist_free(props); + nvlist_free(origprops); + nvlist_free(errors); + releasef(fd); + + if (error == 0) + error = props_error; + + return (error); +} + +/* + * inputs: + * zc_name name of snapshot to send + * zc_cookie file descriptor to send stream to + * zc_obj fromorigin flag (mutually exclusive with zc_fromobj) + * zc_sendobj objsetid of snapshot to send + * zc_fromobj objsetid of incremental fromsnap (may be zero) + * zc_guid if set, estimate size of stream only. zc_cookie is ignored. + * output size in zc_objset_type. + * zc_flags lzc_send_flags + * + * outputs: + * zc_objset_type estimated size, if zc_guid is set + */ +static int +zfs_ioc_send(zfs_cmd_t *zc) +{ + int error; + offset_t off; + boolean_t estimate = (zc->zc_guid != 0); + boolean_t embedok = (zc->zc_flags & 0x1); + boolean_t large_block_ok = (zc->zc_flags & 0x2); + + if (zc->zc_obj != 0) { + dsl_pool_t *dp; + dsl_dataset_t *tosnap; + + error = dsl_pool_hold(zc->zc_name, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &tosnap); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + if (dsl_dir_is_clone(tosnap->ds_dir)) + zc->zc_fromobj = + dsl_dir_phys(tosnap->ds_dir)->dd_origin_obj; + dsl_dataset_rele(tosnap, FTAG); + dsl_pool_rele(dp, FTAG); + } + + if (estimate) { + dsl_pool_t *dp; + dsl_dataset_t *tosnap; + dsl_dataset_t *fromsnap = NULL; + + error = dsl_pool_hold(zc->zc_name, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &tosnap); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + if (zc->zc_fromobj != 0) { + error = dsl_dataset_hold_obj(dp, zc->zc_fromobj, + FTAG, &fromsnap); + if (error != 0) { + dsl_dataset_rele(tosnap, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); + } + } + + error = dmu_send_estimate(tosnap, fromsnap, + &zc->zc_objset_type); + + if (fromsnap != NULL) + dsl_dataset_rele(fromsnap, FTAG); + dsl_dataset_rele(tosnap, FTAG); + dsl_pool_rele(dp, FTAG); + } else { + file_t *fp = getf(zc->zc_cookie); + if (fp == NULL) + return (SET_ERROR(EBADF)); + + off = fp->f_offset; + error = dmu_send_obj(zc->zc_name, zc->zc_sendobj, + zc->zc_fromobj, embedok, large_block_ok, + zc->zc_cookie, fp->f_vnode, &off); + + if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) + fp->f_offset = off; + releasef(zc->zc_cookie); + } + return (error); +} + +/* + * inputs: + * zc_name name of snapshot on which to report progress + * zc_cookie file descriptor of send stream + * + * outputs: + * zc_cookie number of bytes written in send stream thus far + */ +static int +zfs_ioc_send_progress(zfs_cmd_t *zc) +{ + dsl_pool_t *dp; + dsl_dataset_t *ds; + dmu_sendarg_t *dsp = NULL; + int error; + + error = dsl_pool_hold(zc->zc_name, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold(dp, zc->zc_name, FTAG, &ds); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + mutex_enter(&ds->ds_sendstream_lock); + + /* + * Iterate over all the send streams currently active on this dataset. + * If there's one which matches the specified file descriptor _and_ the + * stream was started by the current process, return the progress of + * that stream. + */ + + for (dsp = list_head(&ds->ds_sendstreams); dsp != NULL; + dsp = list_next(&ds->ds_sendstreams, dsp)) { + if (dsp->dsa_outfd == zc->zc_cookie && + dsp->dsa_proc->group_leader == curproc->group_leader) + break; + } + + if (dsp != NULL) + zc->zc_cookie = *(dsp->dsa_off); + else + error = SET_ERROR(ENOENT); + + mutex_exit(&ds->ds_sendstream_lock); + dsl_dataset_rele(ds, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); +} + +static int +zfs_ioc_inject_fault(zfs_cmd_t *zc) +{ + int id, error; + + error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, + &zc->zc_inject_record); + + if (error == 0) + zc->zc_guid = (uint64_t)id; + + return (error); +} + +static int +zfs_ioc_clear_fault(zfs_cmd_t *zc) +{ + return (zio_clear_fault((int)zc->zc_guid)); +} + +static int +zfs_ioc_inject_list_next(zfs_cmd_t *zc) +{ + int id = (int)zc->zc_guid; + int error; + + error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), + &zc->zc_inject_record); + + zc->zc_guid = id; + + return (error); +} + +static int +zfs_ioc_error_log(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + size_t count = (size_t)zc->zc_nvlist_dst_size; + + if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) + return (error); + + error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, + &count); + if (error == 0) + zc->zc_nvlist_dst_size = count; + else + zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); + + spa_close(spa, FTAG); + + return (error); +} + +static int +zfs_ioc_clear(zfs_cmd_t *zc) +{ + spa_t *spa; + vdev_t *vd; + int error; + + /* + * On zpool clear we also fix up missing slogs + */ + mutex_enter(&spa_namespace_lock); + spa = spa_lookup(zc->zc_name); + if (spa == NULL) { + mutex_exit(&spa_namespace_lock); + return (SET_ERROR(EIO)); + } + if (spa_get_log_state(spa) == SPA_LOG_MISSING) { + /* we need to let spa_open/spa_load clear the chains */ + spa_set_log_state(spa, SPA_LOG_CLEAR); + } + spa->spa_last_open_failed = 0; + mutex_exit(&spa_namespace_lock); + + if (zc->zc_cookie & ZPOOL_NO_REWIND) { + error = spa_open(zc->zc_name, &spa, FTAG); + } else { + nvlist_t *policy; + nvlist_t *config = NULL; + + if (zc->zc_nvlist_src == 0) + return (SET_ERROR(EINVAL)); + + if ((error = get_nvlist(zc->zc_nvlist_src, + zc->zc_nvlist_src_size, zc->zc_iflags, &policy)) == 0) { + error = spa_open_rewind(zc->zc_name, &spa, FTAG, + policy, &config); + if (config != NULL) { + int err; + + if ((err = put_nvlist(zc, config)) != 0) + error = err; + nvlist_free(config); + } + nvlist_free(policy); + } + } + + if (error != 0) + return (error); + + spa_vdev_state_enter(spa, SCL_NONE); + + if (zc->zc_guid == 0) { + vd = NULL; + } else { + vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE); + if (vd == NULL) { + (void) spa_vdev_state_exit(spa, NULL, ENODEV); + spa_close(spa, FTAG); + return (SET_ERROR(ENODEV)); + } + } + + vdev_clear(spa, vd); + + (void) spa_vdev_state_exit(spa, NULL, 0); + + /* + * Resume any suspended I/Os. + */ + if (zio_resume(spa) != 0) + error = SET_ERROR(EIO); + + spa_close(spa, FTAG); + + return (error); +} + +static int +zfs_ioc_pool_reopen(zfs_cmd_t *zc) +{ + spa_t *spa; + int error; + + error = spa_open(zc->zc_name, &spa, FTAG); + if (error != 0) + return (error); + + spa_vdev_state_enter(spa, SCL_NONE); + + /* + * If a resilver is already in progress then set the + * spa_scrub_reopen flag to B_TRUE so that we don't restart + * the scan as a side effect of the reopen. Otherwise, let + * vdev_open() decided if a resilver is required. + */ + spa->spa_scrub_reopen = dsl_scan_resilvering(spa->spa_dsl_pool); + vdev_reopen(spa->spa_root_vdev); + spa->spa_scrub_reopen = B_FALSE; + + (void) spa_vdev_state_exit(spa, NULL, 0); + spa_close(spa, FTAG); + return (0); +} +/* + * inputs: + * zc_name name of filesystem + * zc_value name of origin snapshot + * + * outputs: + * zc_string name of conflicting snapshot, if there is one + */ +static int +zfs_ioc_promote(zfs_cmd_t *zc) +{ + char *cp; + + /* + * We don't need to unmount *all* the origin fs's snapshots, but + * it's easier. + */ + cp = strchr(zc->zc_value, '@'); + if (cp) + *cp = '\0'; + (void) dmu_objset_find(zc->zc_value, + zfs_unmount_snap_cb, NULL, DS_FIND_SNAPSHOTS); + return (dsl_dataset_promote(zc->zc_name, zc->zc_string)); +} + +/* + * Retrieve a single {user|group}{used|quota}@... property. + * + * inputs: + * zc_name name of filesystem + * zc_objset_type zfs_userquota_prop_t + * zc_value domain name (eg. "S-1-234-567-89") + * zc_guid RID/UID/GID + * + * outputs: + * zc_cookie property value + */ +static int +zfs_ioc_userspace_one(zfs_cmd_t *zc) +{ + zfs_sb_t *zsb; + int error; + + if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) + return (SET_ERROR(EINVAL)); + + error = zfs_sb_hold(zc->zc_name, FTAG, &zsb, B_FALSE); + if (error != 0) + return (error); + + error = zfs_userspace_one(zsb, + zc->zc_objset_type, zc->zc_value, zc->zc_guid, &zc->zc_cookie); + zfs_sb_rele(zsb, FTAG); + + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_cookie zap cursor + * zc_objset_type zfs_userquota_prop_t + * zc_nvlist_dst[_size] buffer to fill (not really an nvlist) + * + * outputs: + * zc_nvlist_dst[_size] data buffer (array of zfs_useracct_t) + * zc_cookie zap cursor + */ +static int +zfs_ioc_userspace_many(zfs_cmd_t *zc) +{ + zfs_sb_t *zsb; + int bufsize = zc->zc_nvlist_dst_size; + int error; + void *buf; + + if (bufsize <= 0) + return (SET_ERROR(ENOMEM)); + + error = zfs_sb_hold(zc->zc_name, FTAG, &zsb, B_FALSE); + if (error != 0) + return (error); + + buf = vmem_alloc(bufsize, KM_SLEEP); + + error = zfs_userspace_many(zsb, zc->zc_objset_type, &zc->zc_cookie, + buf, &zc->zc_nvlist_dst_size); + + if (error == 0) { + error = xcopyout(buf, + (void *)(uintptr_t)zc->zc_nvlist_dst, + zc->zc_nvlist_dst_size); + } + vmem_free(buf, bufsize); + zfs_sb_rele(zsb, FTAG); + + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * + * outputs: + * none + */ +static int +zfs_ioc_userspace_upgrade(zfs_cmd_t *zc) +{ + objset_t *os; + int error = 0; + zfs_sb_t *zsb; + + if (get_zfs_sb(zc->zc_name, &zsb) == 0) { + if (!dmu_objset_userused_enabled(zsb->z_os)) { + /* + * If userused is not enabled, it may be because the + * objset needs to be closed & reopened (to grow the + * objset_phys_t). Suspend/resume the fs will do that. + */ + error = zfs_suspend_fs(zsb); + if (error == 0) { + dmu_objset_refresh_ownership(zsb->z_os, + zsb); + error = zfs_resume_fs(zsb, zc->zc_name); + } + } + if (error == 0) + error = dmu_objset_userspace_upgrade(zsb->z_os); + deactivate_super(zsb->z_sb); + } else { + /* XXX kind of reading contents without owning */ + error = dmu_objset_hold(zc->zc_name, FTAG, &os); + if (error != 0) + return (error); + + error = dmu_objset_userspace_upgrade(os); + dmu_objset_rele(os, FTAG); + } + + return (error); +} + +static int +zfs_ioc_share(zfs_cmd_t *zc) +{ + return (SET_ERROR(ENOSYS)); +} + +ace_t full_access[] = { + {(uid_t)-1, ACE_ALL_PERMS, ACE_EVERYONE, 0} +}; + +/* + * inputs: + * zc_name name of containing filesystem + * zc_obj object # beyond which we want next in-use object # + * + * outputs: + * zc_obj next in-use object # + */ +static int +zfs_ioc_next_obj(zfs_cmd_t *zc) +{ + objset_t *os = NULL; + int error; + + error = dmu_objset_hold(zc->zc_name, FTAG, &os); + if (error != 0) + return (error); + + error = dmu_object_next(os, &zc->zc_obj, B_FALSE, 0); + + dmu_objset_rele(os, FTAG); + return (error); +} + +/* + * inputs: + * zc_name name of filesystem + * zc_value prefix name for snapshot + * zc_cleanup_fd cleanup-on-exit file descriptor for calling process + * + * outputs: + * zc_value short name of new snapshot + */ +static int +zfs_ioc_tmp_snapshot(zfs_cmd_t *zc) +{ + char *snap_name; + char *hold_name; + int error; + minor_t minor; + + error = zfs_onexit_fd_hold(zc->zc_cleanup_fd, &minor); + if (error != 0) + return (error); + + snap_name = kmem_asprintf("%s-%016llx", zc->zc_value, + (u_longlong_t)ddi_get_lbolt64()); + hold_name = kmem_asprintf("%%%s", zc->zc_value); + + error = dsl_dataset_snapshot_tmp(zc->zc_name, snap_name, minor, + hold_name); + if (error == 0) + (void) strcpy(zc->zc_value, snap_name); + strfree(snap_name); + strfree(hold_name); + zfs_onexit_fd_rele(zc->zc_cleanup_fd); + return (error); +} + +/* + * inputs: + * zc_name name of "to" snapshot + * zc_value name of "from" snapshot + * zc_cookie file descriptor to write diff data on + * + * outputs: + * dmu_diff_record_t's to the file descriptor + */ +static int +zfs_ioc_diff(zfs_cmd_t *zc) +{ + file_t *fp; + offset_t off; + int error; + + fp = getf(zc->zc_cookie); + if (fp == NULL) + return (SET_ERROR(EBADF)); + + off = fp->f_offset; + + error = dmu_diff(zc->zc_name, zc->zc_value, fp->f_vnode, &off); + + if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) + fp->f_offset = off; + releasef(zc->zc_cookie); + + return (error); +} + +/* + * Remove all ACL files in shares dir + */ +#ifdef HAVE_SMB_SHARE +static int +zfs_smb_acl_purge(znode_t *dzp) +{ + zap_cursor_t zc; + zap_attribute_t zap; + zfs_sb_t *zsb = ZTOZSB(dzp); + int error; + + for (zap_cursor_init(&zc, zsb->z_os, dzp->z_id); + (error = zap_cursor_retrieve(&zc, &zap)) == 0; + zap_cursor_advance(&zc)) { + if ((error = VOP_REMOVE(ZTOV(dzp), zap.za_name, kcred, + NULL, 0)) != 0) + break; + } + zap_cursor_fini(&zc); + return (error); +} +#endif /* HAVE_SMB_SHARE */ + +static int +zfs_ioc_smb_acl(zfs_cmd_t *zc) +{ +#ifdef HAVE_SMB_SHARE + vnode_t *vp; + znode_t *dzp; + vnode_t *resourcevp = NULL; + znode_t *sharedir; + zfs_sb_t *zsb; + nvlist_t *nvlist; + char *src, *target; + vattr_t vattr; + vsecattr_t vsec; + int error = 0; + + if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, + NO_FOLLOW, NULL, &vp)) != 0) + return (error); + + /* Now make sure mntpnt and dataset are ZFS */ + + if (vp->v_vfsp->vfs_fstype != zfsfstype || + (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), + zc->zc_name) != 0)) { + VN_RELE(vp); + return (SET_ERROR(EINVAL)); + } + + dzp = VTOZ(vp); + zsb = ZTOZSB(dzp); + ZFS_ENTER(zsb); + + /* + * Create share dir if its missing. + */ + mutex_enter(&zsb->z_lock); + if (zsb->z_shares_dir == 0) { + dmu_tx_t *tx; + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, TRUE, + ZFS_SHARES_DIR); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error != 0) { + dmu_tx_abort(tx); + } else { + error = zfs_create_share_dir(zsb, tx); + dmu_tx_commit(tx); + } + if (error != 0) { + mutex_exit(&zsb->z_lock); + VN_RELE(vp); + ZFS_EXIT(zsb); + return (error); + } + } + mutex_exit(&zsb->z_lock); + + ASSERT(zsb->z_shares_dir); + if ((error = zfs_zget(zsb, zsb->z_shares_dir, &sharedir)) != 0) { + VN_RELE(vp); + ZFS_EXIT(zsb); + return (error); + } + + switch (zc->zc_cookie) { + case ZFS_SMB_ACL_ADD: + vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE; + vattr.va_mode = S_IFREG|0777; + vattr.va_uid = 0; + vattr.va_gid = 0; + + vsec.vsa_mask = VSA_ACE; + vsec.vsa_aclentp = &full_access; + vsec.vsa_aclentsz = sizeof (full_access); + vsec.vsa_aclcnt = 1; + + error = VOP_CREATE(ZTOV(sharedir), zc->zc_string, + &vattr, EXCL, 0, &resourcevp, kcred, 0, NULL, &vsec); + if (resourcevp) + VN_RELE(resourcevp); + break; + + case ZFS_SMB_ACL_REMOVE: + error = VOP_REMOVE(ZTOV(sharedir), zc->zc_string, kcred, + NULL, 0); + break; + + case ZFS_SMB_ACL_RENAME: + if ((error = get_nvlist(zc->zc_nvlist_src, + zc->zc_nvlist_src_size, zc->zc_iflags, &nvlist)) != 0) { + VN_RELE(vp); + ZFS_EXIT(zsb); + return (error); + } + if (nvlist_lookup_string(nvlist, ZFS_SMB_ACL_SRC, &src) || + nvlist_lookup_string(nvlist, ZFS_SMB_ACL_TARGET, + &target)) { + VN_RELE(vp); + VN_RELE(ZTOV(sharedir)); + ZFS_EXIT(zsb); + nvlist_free(nvlist); + return (error); + } + error = VOP_RENAME(ZTOV(sharedir), src, ZTOV(sharedir), target, + kcred, NULL, 0); + nvlist_free(nvlist); + break; + + case ZFS_SMB_ACL_PURGE: + error = zfs_smb_acl_purge(sharedir); + break; + + default: + error = SET_ERROR(EINVAL); + break; + } + + VN_RELE(vp); + VN_RELE(ZTOV(sharedir)); + + ZFS_EXIT(zsb); + + return (error); +#else + return (SET_ERROR(ENOTSUP)); +#endif /* HAVE_SMB_SHARE */ +} + +/* + * innvl: { + * "holds" -> { snapname -> holdname (string), ... } + * (optional) "cleanup_fd" -> fd (int32) + * } + * + * outnvl: { + * snapname -> error value (int32) + * ... + * } + */ +/* ARGSUSED */ +static int +zfs_ioc_hold(const char *pool, nvlist_t *args, nvlist_t *errlist) +{ + nvlist_t *holds; + int cleanup_fd = -1; + int error; + minor_t minor = 0; + + error = nvlist_lookup_nvlist(args, "holds", &holds); + if (error != 0) + return (SET_ERROR(EINVAL)); + + if (nvlist_lookup_int32(args, "cleanup_fd", &cleanup_fd) == 0) { + error = zfs_onexit_fd_hold(cleanup_fd, &minor); + if (error != 0) + return (error); + } + + error = dsl_dataset_user_hold(holds, minor, errlist); + if (minor != 0) + zfs_onexit_fd_rele(cleanup_fd); + return (error); +} + +/* + * innvl is not used. + * + * outnvl: { + * holdname -> time added (uint64 seconds since epoch) + * ... + * } + */ +/* ARGSUSED */ +static int +zfs_ioc_get_holds(const char *snapname, nvlist_t *args, nvlist_t *outnvl) +{ + return (dsl_dataset_get_holds(snapname, outnvl)); +} + +/* + * innvl: { + * snapname -> { holdname, ... } + * ... + * } + * + * outnvl: { + * snapname -> error value (int32) + * ... + * } + */ +/* ARGSUSED */ +static int +zfs_ioc_release(const char *pool, nvlist_t *holds, nvlist_t *errlist) +{ + return (dsl_dataset_user_release(holds, errlist)); +} + +/* + * inputs: + * zc_guid flags (ZEVENT_NONBLOCK) + * zc_cleanup_fd zevent file descriptor + * + * outputs: + * zc_nvlist_dst next nvlist event + * zc_cookie dropped events since last get + */ +static int +zfs_ioc_events_next(zfs_cmd_t *zc) +{ + zfs_zevent_t *ze; + nvlist_t *event = NULL; + minor_t minor; + uint64_t dropped = 0; + int error; + + error = zfs_zevent_fd_hold(zc->zc_cleanup_fd, &minor, &ze); + if (error != 0) + return (error); + + do { + error = zfs_zevent_next(ze, &event, + &zc->zc_nvlist_dst_size, &dropped); + if (event != NULL) { + zc->zc_cookie = dropped; + error = put_nvlist(zc, event); + nvlist_free(event); + } + + if (zc->zc_guid & ZEVENT_NONBLOCK) + break; + + if ((error == 0) || (error != ENOENT)) + break; + + error = zfs_zevent_wait(ze); + if (error != 0) + break; + } while (1); + + zfs_zevent_fd_rele(zc->zc_cleanup_fd); + + return (error); +} + +/* + * outputs: + * zc_cookie cleared events count + */ +static int +zfs_ioc_events_clear(zfs_cmd_t *zc) +{ + int count; + + zfs_zevent_drain_all(&count); + zc->zc_cookie = count; + + return (0); +} + +/* + * inputs: + * zc_guid eid | ZEVENT_SEEK_START | ZEVENT_SEEK_END + * zc_cleanup zevent file descriptor + */ +static int +zfs_ioc_events_seek(zfs_cmd_t *zc) +{ + zfs_zevent_t *ze; + minor_t minor; + int error; + + error = zfs_zevent_fd_hold(zc->zc_cleanup_fd, &minor, &ze); + if (error != 0) + return (error); + + error = zfs_zevent_seek(ze, zc->zc_guid); + zfs_zevent_fd_rele(zc->zc_cleanup_fd); + + return (error); +} + +/* + * inputs: + * zc_name name of new filesystem or snapshot + * zc_value full name of old snapshot + * + * outputs: + * zc_cookie space in bytes + * zc_objset_type compressed space in bytes + * zc_perm_action uncompressed space in bytes + */ +static int +zfs_ioc_space_written(zfs_cmd_t *zc) +{ + int error; + dsl_pool_t *dp; + dsl_dataset_t *new, *old; + + error = dsl_pool_hold(zc->zc_name, FTAG, &dp); + if (error != 0) + return (error); + error = dsl_dataset_hold(dp, zc->zc_name, FTAG, &new); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + error = dsl_dataset_hold(dp, zc->zc_value, FTAG, &old); + if (error != 0) { + dsl_dataset_rele(new, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); + } + + error = dsl_dataset_space_written(old, new, &zc->zc_cookie, + &zc->zc_objset_type, &zc->zc_perm_action); + dsl_dataset_rele(old, FTAG); + dsl_dataset_rele(new, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); +} + +/* + * innvl: { + * "firstsnap" -> snapshot name + * } + * + * outnvl: { + * "used" -> space in bytes + * "compressed" -> compressed space in bytes + * "uncompressed" -> uncompressed space in bytes + * } + */ +static int +zfs_ioc_space_snaps(const char *lastsnap, nvlist_t *innvl, nvlist_t *outnvl) +{ + int error; + dsl_pool_t *dp; + dsl_dataset_t *new, *old; + char *firstsnap; + uint64_t used, comp, uncomp; + + if (nvlist_lookup_string(innvl, "firstsnap", &firstsnap) != 0) + return (SET_ERROR(EINVAL)); + + error = dsl_pool_hold(lastsnap, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold(dp, lastsnap, FTAG, &new); + if (error == 0 && !new->ds_is_snapshot) { + dsl_dataset_rele(new, FTAG); + error = SET_ERROR(EINVAL); + } + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + error = dsl_dataset_hold(dp, firstsnap, FTAG, &old); + if (error == 0 && !old->ds_is_snapshot) { + dsl_dataset_rele(old, FTAG); + error = SET_ERROR(EINVAL); + } + if (error != 0) { + dsl_dataset_rele(new, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); + } + + error = dsl_dataset_space_wouldfree(old, new, &used, &comp, &uncomp); + dsl_dataset_rele(old, FTAG); + dsl_dataset_rele(new, FTAG); + dsl_pool_rele(dp, FTAG); + fnvlist_add_uint64(outnvl, "used", used); + fnvlist_add_uint64(outnvl, "compressed", comp); + fnvlist_add_uint64(outnvl, "uncompressed", uncomp); + return (error); +} + +/* + * innvl: { + * "fd" -> file descriptor to write stream to (int32) + * (optional) "fromsnap" -> full snap name to send an incremental from + * (optional) "largeblockok" -> (value ignored) + * indicates that blocks > 128KB are permitted + * (optional) "embedok" -> (value ignored) + * presence indicates DRR_WRITE_EMBEDDED records are permitted + * } + * + * outnvl is unused + */ +/* ARGSUSED */ +static int +zfs_ioc_send_new(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl) +{ + int error; + offset_t off; + char *fromname = NULL; + int fd; + file_t *fp; + boolean_t largeblockok; + boolean_t embedok; + + error = nvlist_lookup_int32(innvl, "fd", &fd); + if (error != 0) + return (SET_ERROR(EINVAL)); + + (void) nvlist_lookup_string(innvl, "fromsnap", &fromname); + + largeblockok = nvlist_exists(innvl, "largeblockok"); + embedok = nvlist_exists(innvl, "embedok"); + + if ((fp = getf(fd)) == NULL) + return (SET_ERROR(EBADF)); + + off = fp->f_offset; + error = dmu_send(snapname, fromname, embedok, largeblockok, + fd, fp->f_vnode, &off); + + if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) + fp->f_offset = off; + + releasef(fd); + return (error); +} + +/* + * Determine approximately how large a zfs send stream will be -- the number + * of bytes that will be written to the fd supplied to zfs_ioc_send_new(). + * + * innvl: { + * (optional) "from" -> full snap or bookmark name to send an incremental + * from + * } + * + * outnvl: { + * "space" -> bytes of space (uint64) + * } + */ +static int +zfs_ioc_send_space(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl) +{ + dsl_pool_t *dp; + dsl_dataset_t *tosnap; + int error; + char *fromname; + uint64_t space; + + error = dsl_pool_hold(snapname, FTAG, &dp); + if (error != 0) + return (error); + + error = dsl_dataset_hold(dp, snapname, FTAG, &tosnap); + if (error != 0) { + dsl_pool_rele(dp, FTAG); + return (error); + } + + error = nvlist_lookup_string(innvl, "from", &fromname); + if (error == 0) { + if (strchr(fromname, '@') != NULL) { + /* + * If from is a snapshot, hold it and use the more + * efficient dmu_send_estimate to estimate send space + * size using deadlists. + */ + dsl_dataset_t *fromsnap; + error = dsl_dataset_hold(dp, fromname, FTAG, &fromsnap); + if (error != 0) + goto out; + error = dmu_send_estimate(tosnap, fromsnap, &space); + dsl_dataset_rele(fromsnap, FTAG); + } else if (strchr(fromname, '#') != NULL) { + /* + * If from is a bookmark, fetch the creation TXG of the + * snapshot it was created from and use that to find + * blocks that were born after it. + */ + zfs_bookmark_phys_t frombm; + + error = dsl_bookmark_lookup(dp, fromname, tosnap, + &frombm); + if (error != 0) + goto out; + error = dmu_send_estimate_from_txg(tosnap, + frombm.zbm_creation_txg, &space); + } else { + /* + * from is not properly formatted as a snapshot or + * bookmark + */ + error = SET_ERROR(EINVAL); + goto out; + } + } else { + // If estimating the size of a full send, use dmu_send_estimate + error = dmu_send_estimate(tosnap, NULL, &space); + } + + fnvlist_add_uint64(outnvl, "space", space); + +out: + dsl_dataset_rele(tosnap, FTAG); + dsl_pool_rele(dp, FTAG); + return (error); +} + +static zfs_ioc_vec_t zfs_ioc_vec[ZFS_IOC_LAST - ZFS_IOC_FIRST]; + +static void +zfs_ioctl_register_legacy(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, + zfs_secpolicy_func_t *secpolicy, zfs_ioc_namecheck_t namecheck, + boolean_t log_history, zfs_ioc_poolcheck_t pool_check) +{ + zfs_ioc_vec_t *vec = &zfs_ioc_vec[ioc - ZFS_IOC_FIRST]; + + ASSERT3U(ioc, >=, ZFS_IOC_FIRST); + ASSERT3U(ioc, <, ZFS_IOC_LAST); + ASSERT3P(vec->zvec_legacy_func, ==, NULL); + ASSERT3P(vec->zvec_func, ==, NULL); + + vec->zvec_legacy_func = func; + vec->zvec_secpolicy = secpolicy; + vec->zvec_namecheck = namecheck; + vec->zvec_allow_log = log_history; + vec->zvec_pool_check = pool_check; +} + +/* + * See the block comment at the beginning of this file for details on + * each argument to this function. + */ +static void +zfs_ioctl_register(const char *name, zfs_ioc_t ioc, zfs_ioc_func_t *func, + zfs_secpolicy_func_t *secpolicy, zfs_ioc_namecheck_t namecheck, + zfs_ioc_poolcheck_t pool_check, boolean_t smush_outnvlist, + boolean_t allow_log) +{ + zfs_ioc_vec_t *vec = &zfs_ioc_vec[ioc - ZFS_IOC_FIRST]; + + ASSERT3U(ioc, >=, ZFS_IOC_FIRST); + ASSERT3U(ioc, <, ZFS_IOC_LAST); + ASSERT3P(vec->zvec_legacy_func, ==, NULL); + ASSERT3P(vec->zvec_func, ==, NULL); + + /* if we are logging, the name must be valid */ + ASSERT(!allow_log || namecheck != NO_NAME); + + vec->zvec_name = name; + vec->zvec_func = func; + vec->zvec_secpolicy = secpolicy; + vec->zvec_namecheck = namecheck; + vec->zvec_pool_check = pool_check; + vec->zvec_smush_outnvlist = smush_outnvlist; + vec->zvec_allow_log = allow_log; +} + +static void +zfs_ioctl_register_pool(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, + zfs_secpolicy_func_t *secpolicy, boolean_t log_history, + zfs_ioc_poolcheck_t pool_check) +{ + zfs_ioctl_register_legacy(ioc, func, secpolicy, + POOL_NAME, log_history, pool_check); +} + +static void +zfs_ioctl_register_dataset_nolog(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, + zfs_secpolicy_func_t *secpolicy, zfs_ioc_poolcheck_t pool_check) +{ + zfs_ioctl_register_legacy(ioc, func, secpolicy, + DATASET_NAME, B_FALSE, pool_check); +} + +static void +zfs_ioctl_register_pool_modify(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func) +{ + zfs_ioctl_register_legacy(ioc, func, zfs_secpolicy_config, + POOL_NAME, B_TRUE, POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); +} + +static void +zfs_ioctl_register_pool_meta(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, + zfs_secpolicy_func_t *secpolicy) +{ + zfs_ioctl_register_legacy(ioc, func, secpolicy, + NO_NAME, B_FALSE, POOL_CHECK_NONE); +} + +static void +zfs_ioctl_register_dataset_read_secpolicy(zfs_ioc_t ioc, + zfs_ioc_legacy_func_t *func, zfs_secpolicy_func_t *secpolicy) +{ + zfs_ioctl_register_legacy(ioc, func, secpolicy, + DATASET_NAME, B_FALSE, POOL_CHECK_SUSPENDED); +} + +static void +zfs_ioctl_register_dataset_read(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func) +{ + zfs_ioctl_register_dataset_read_secpolicy(ioc, func, + zfs_secpolicy_read); +} + +static void +zfs_ioctl_register_dataset_modify(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, + zfs_secpolicy_func_t *secpolicy) +{ + zfs_ioctl_register_legacy(ioc, func, secpolicy, + DATASET_NAME, B_TRUE, POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); +} + +static void +zfs_ioctl_init(void) +{ + zfs_ioctl_register("snapshot", ZFS_IOC_SNAPSHOT, + zfs_ioc_snapshot, zfs_secpolicy_snapshot, POOL_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + + zfs_ioctl_register("log_history", ZFS_IOC_LOG_HISTORY, + zfs_ioc_log_history, zfs_secpolicy_log_history, NO_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_FALSE, B_FALSE); + + zfs_ioctl_register("space_snaps", ZFS_IOC_SPACE_SNAPS, + zfs_ioc_space_snaps, zfs_secpolicy_read, DATASET_NAME, + POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); + + zfs_ioctl_register("send", ZFS_IOC_SEND_NEW, + zfs_ioc_send_new, zfs_secpolicy_send_new, DATASET_NAME, + POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); + + zfs_ioctl_register("send_space", ZFS_IOC_SEND_SPACE, + zfs_ioc_send_space, zfs_secpolicy_read, DATASET_NAME, + POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); + + zfs_ioctl_register("create", ZFS_IOC_CREATE, + zfs_ioc_create, zfs_secpolicy_create_clone, DATASET_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + + zfs_ioctl_register("clone", ZFS_IOC_CLONE, + zfs_ioc_clone, zfs_secpolicy_create_clone, DATASET_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + + zfs_ioctl_register("destroy_snaps", ZFS_IOC_DESTROY_SNAPS, + zfs_ioc_destroy_snaps, zfs_secpolicy_destroy_snaps, POOL_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + + zfs_ioctl_register("hold", ZFS_IOC_HOLD, + zfs_ioc_hold, zfs_secpolicy_hold, POOL_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + zfs_ioctl_register("release", ZFS_IOC_RELEASE, + zfs_ioc_release, zfs_secpolicy_release, POOL_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + + zfs_ioctl_register("get_holds", ZFS_IOC_GET_HOLDS, + zfs_ioc_get_holds, zfs_secpolicy_read, DATASET_NAME, + POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); + + zfs_ioctl_register("rollback", ZFS_IOC_ROLLBACK, + zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_FALSE, B_TRUE); + + zfs_ioctl_register("bookmark", ZFS_IOC_BOOKMARK, + zfs_ioc_bookmark, zfs_secpolicy_bookmark, POOL_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + + zfs_ioctl_register("get_bookmarks", ZFS_IOC_GET_BOOKMARKS, + zfs_ioc_get_bookmarks, zfs_secpolicy_read, DATASET_NAME, + POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); + + zfs_ioctl_register("destroy_bookmarks", ZFS_IOC_DESTROY_BOOKMARKS, + zfs_ioc_destroy_bookmarks, zfs_secpolicy_destroy_bookmarks, + POOL_NAME, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); + + /* IOCTLS that use the legacy function signature */ + + zfs_ioctl_register_legacy(ZFS_IOC_POOL_FREEZE, zfs_ioc_pool_freeze, + zfs_secpolicy_config, NO_NAME, B_FALSE, POOL_CHECK_READONLY); + + zfs_ioctl_register_pool(ZFS_IOC_POOL_CREATE, zfs_ioc_pool_create, + zfs_secpolicy_config, B_TRUE, POOL_CHECK_NONE); + zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_SCAN, + zfs_ioc_pool_scan); + zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_UPGRADE, + zfs_ioc_pool_upgrade); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_ADD, + zfs_ioc_vdev_add); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_REMOVE, + zfs_ioc_vdev_remove); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SET_STATE, + zfs_ioc_vdev_set_state); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_ATTACH, + zfs_ioc_vdev_attach); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_DETACH, + zfs_ioc_vdev_detach); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SETPATH, + zfs_ioc_vdev_setpath); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SETFRU, + zfs_ioc_vdev_setfru); + zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_SET_PROPS, + zfs_ioc_pool_set_props); + zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SPLIT, + zfs_ioc_vdev_split); + zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_REGUID, + zfs_ioc_pool_reguid); + + zfs_ioctl_register_pool_meta(ZFS_IOC_POOL_CONFIGS, + zfs_ioc_pool_configs, zfs_secpolicy_none); + zfs_ioctl_register_pool_meta(ZFS_IOC_POOL_TRYIMPORT, + zfs_ioc_pool_tryimport, zfs_secpolicy_config); + zfs_ioctl_register_pool_meta(ZFS_IOC_INJECT_FAULT, + zfs_ioc_inject_fault, zfs_secpolicy_inject); + zfs_ioctl_register_pool_meta(ZFS_IOC_CLEAR_FAULT, + zfs_ioc_clear_fault, zfs_secpolicy_inject); + zfs_ioctl_register_pool_meta(ZFS_IOC_INJECT_LIST_NEXT, + zfs_ioc_inject_list_next, zfs_secpolicy_inject); + + /* + * pool destroy, and export don't log the history as part of + * zfsdev_ioctl, but rather zfs_ioc_pool_export + * does the logging of those commands. + */ + zfs_ioctl_register_pool(ZFS_IOC_POOL_DESTROY, zfs_ioc_pool_destroy, + zfs_secpolicy_config, B_FALSE, POOL_CHECK_SUSPENDED); + zfs_ioctl_register_pool(ZFS_IOC_POOL_EXPORT, zfs_ioc_pool_export, + zfs_secpolicy_config, B_FALSE, POOL_CHECK_SUSPENDED); + + zfs_ioctl_register_pool(ZFS_IOC_POOL_STATS, zfs_ioc_pool_stats, + zfs_secpolicy_read, B_FALSE, POOL_CHECK_NONE); + zfs_ioctl_register_pool(ZFS_IOC_POOL_GET_PROPS, zfs_ioc_pool_get_props, + zfs_secpolicy_read, B_FALSE, POOL_CHECK_NONE); + + zfs_ioctl_register_pool(ZFS_IOC_ERROR_LOG, zfs_ioc_error_log, + zfs_secpolicy_inject, B_FALSE, POOL_CHECK_SUSPENDED); + zfs_ioctl_register_pool(ZFS_IOC_DSOBJ_TO_DSNAME, + zfs_ioc_dsobj_to_dsname, + zfs_secpolicy_diff, B_FALSE, POOL_CHECK_SUSPENDED); + zfs_ioctl_register_pool(ZFS_IOC_POOL_GET_HISTORY, + zfs_ioc_pool_get_history, + zfs_secpolicy_config, B_FALSE, POOL_CHECK_SUSPENDED); + + zfs_ioctl_register_pool(ZFS_IOC_POOL_IMPORT, zfs_ioc_pool_import, + zfs_secpolicy_config, B_TRUE, POOL_CHECK_NONE); + + zfs_ioctl_register_pool(ZFS_IOC_CLEAR, zfs_ioc_clear, + zfs_secpolicy_config, B_TRUE, POOL_CHECK_NONE); + zfs_ioctl_register_pool(ZFS_IOC_POOL_REOPEN, zfs_ioc_pool_reopen, + zfs_secpolicy_config, B_TRUE, POOL_CHECK_SUSPENDED); + + zfs_ioctl_register_dataset_read(ZFS_IOC_SPACE_WRITTEN, + zfs_ioc_space_written); + zfs_ioctl_register_dataset_read(ZFS_IOC_OBJSET_RECVD_PROPS, + zfs_ioc_objset_recvd_props); + zfs_ioctl_register_dataset_read(ZFS_IOC_NEXT_OBJ, + zfs_ioc_next_obj); + zfs_ioctl_register_dataset_read(ZFS_IOC_GET_FSACL, + zfs_ioc_get_fsacl); + zfs_ioctl_register_dataset_read(ZFS_IOC_OBJSET_STATS, + zfs_ioc_objset_stats); + zfs_ioctl_register_dataset_read(ZFS_IOC_OBJSET_ZPLPROPS, + zfs_ioc_objset_zplprops); + zfs_ioctl_register_dataset_read(ZFS_IOC_DATASET_LIST_NEXT, + zfs_ioc_dataset_list_next); + zfs_ioctl_register_dataset_read(ZFS_IOC_SNAPSHOT_LIST_NEXT, + zfs_ioc_snapshot_list_next); + zfs_ioctl_register_dataset_read(ZFS_IOC_SEND_PROGRESS, + zfs_ioc_send_progress); + + zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_DIFF, + zfs_ioc_diff, zfs_secpolicy_diff); + zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_OBJ_TO_STATS, + zfs_ioc_obj_to_stats, zfs_secpolicy_diff); + zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_OBJ_TO_PATH, + zfs_ioc_obj_to_path, zfs_secpolicy_diff); + zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_USERSPACE_ONE, + zfs_ioc_userspace_one, zfs_secpolicy_userspace_one); + zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_USERSPACE_MANY, + zfs_ioc_userspace_many, zfs_secpolicy_userspace_many); + zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_SEND, + zfs_ioc_send, zfs_secpolicy_send); + + zfs_ioctl_register_dataset_modify(ZFS_IOC_SET_PROP, zfs_ioc_set_prop, + zfs_secpolicy_none); + zfs_ioctl_register_dataset_modify(ZFS_IOC_DESTROY, zfs_ioc_destroy, + zfs_secpolicy_destroy); + zfs_ioctl_register_dataset_modify(ZFS_IOC_RENAME, zfs_ioc_rename, + zfs_secpolicy_rename); + zfs_ioctl_register_dataset_modify(ZFS_IOC_RECV, zfs_ioc_recv, + zfs_secpolicy_recv); + zfs_ioctl_register_dataset_modify(ZFS_IOC_PROMOTE, zfs_ioc_promote, + zfs_secpolicy_promote); + zfs_ioctl_register_dataset_modify(ZFS_IOC_INHERIT_PROP, + zfs_ioc_inherit_prop, zfs_secpolicy_inherit_prop); + zfs_ioctl_register_dataset_modify(ZFS_IOC_SET_FSACL, zfs_ioc_set_fsacl, + zfs_secpolicy_set_fsacl); + + zfs_ioctl_register_dataset_nolog(ZFS_IOC_SHARE, zfs_ioc_share, + zfs_secpolicy_share, POOL_CHECK_NONE); + zfs_ioctl_register_dataset_nolog(ZFS_IOC_SMB_ACL, zfs_ioc_smb_acl, + zfs_secpolicy_smb_acl, POOL_CHECK_NONE); + zfs_ioctl_register_dataset_nolog(ZFS_IOC_USERSPACE_UPGRADE, + zfs_ioc_userspace_upgrade, zfs_secpolicy_userspace_upgrade, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); + zfs_ioctl_register_dataset_nolog(ZFS_IOC_TMP_SNAPSHOT, + zfs_ioc_tmp_snapshot, zfs_secpolicy_tmp_snapshot, + POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); + + /* + * ZoL functions + */ + zfs_ioctl_register_legacy(ZFS_IOC_EVENTS_NEXT, zfs_ioc_events_next, + zfs_secpolicy_config, NO_NAME, B_FALSE, POOL_CHECK_NONE); + zfs_ioctl_register_legacy(ZFS_IOC_EVENTS_CLEAR, zfs_ioc_events_clear, + zfs_secpolicy_config, NO_NAME, B_FALSE, POOL_CHECK_NONE); + zfs_ioctl_register_legacy(ZFS_IOC_EVENTS_SEEK, zfs_ioc_events_seek, + zfs_secpolicy_config, NO_NAME, B_FALSE, POOL_CHECK_NONE); +} + +int +pool_status_check(const char *name, zfs_ioc_namecheck_t type, + zfs_ioc_poolcheck_t check) +{ + spa_t *spa; + int error; + + ASSERT(type == POOL_NAME || type == DATASET_NAME); + + if (check & POOL_CHECK_NONE) + return (0); + + error = spa_open(name, &spa, FTAG); + if (error == 0) { + if ((check & POOL_CHECK_SUSPENDED) && spa_suspended(spa)) + error = SET_ERROR(EAGAIN); + else if ((check & POOL_CHECK_READONLY) && !spa_writeable(spa)) + error = SET_ERROR(EROFS); + spa_close(spa, FTAG); + } + return (error); +} + +static void * +zfsdev_get_state_impl(minor_t minor, enum zfsdev_state_type which) +{ + zfsdev_state_t *zs; + + for (zs = zfsdev_state_list; zs != NULL; zs = zs->zs_next) { + if (zs->zs_minor == minor) { + smp_rmb(); + switch (which) { + case ZST_ONEXIT: + return (zs->zs_onexit); + case ZST_ZEVENT: + return (zs->zs_zevent); + case ZST_ALL: + return (zs); + } + } + } + + return (NULL); +} + +void * +zfsdev_get_state(minor_t minor, enum zfsdev_state_type which) +{ + void *ptr; + + ptr = zfsdev_get_state_impl(minor, which); + + return (ptr); +} + +int +zfsdev_getminor(struct file *filp, minor_t *minorp) +{ + zfsdev_state_t *zs, *fpd; + + ASSERT(filp != NULL); + ASSERT(!MUTEX_HELD(&zfsdev_state_lock)); + + fpd = filp->private_data; + if (fpd == NULL) + return (EBADF); + + mutex_enter(&zfsdev_state_lock); + + for (zs = zfsdev_state_list; zs != NULL; zs = zs->zs_next) { + + if (zs->zs_minor == -1) + continue; + + if (fpd == zs) { + *minorp = fpd->zs_minor; + mutex_exit(&zfsdev_state_lock); + return (0); + } + } + + mutex_exit(&zfsdev_state_lock); + + return (EBADF); +} + +/* + * Find a free minor number. The zfsdev_state_list is expected to + * be short since it is only a list of currently open file handles. + */ +minor_t +zfsdev_minor_alloc(void) +{ + static minor_t last_minor = 0; + minor_t m; + + ASSERT(MUTEX_HELD(&zfsdev_state_lock)); + + for (m = last_minor + 1; m != last_minor; m++) { + if (m > ZFSDEV_MAX_MINOR) + m = 1; + if (zfsdev_get_state_impl(m, ZST_ALL) == NULL) { + last_minor = m; + return (m); + } + } + + return (0); +} + +static int +zfsdev_state_init(struct file *filp) +{ + zfsdev_state_t *zs, *zsprev = NULL; + minor_t minor; + boolean_t newzs = B_FALSE; + + ASSERT(MUTEX_HELD(&zfsdev_state_lock)); + + minor = zfsdev_minor_alloc(); + if (minor == 0) + return (SET_ERROR(ENXIO)); + + for (zs = zfsdev_state_list; zs != NULL; zs = zs->zs_next) { + if (zs->zs_minor == -1) + break; + zsprev = zs; + } + + if (!zs) { + zs = kmem_zalloc(sizeof (zfsdev_state_t), KM_SLEEP); + newzs = B_TRUE; + } + + zs->zs_file = filp; + filp->private_data = zs; + + zfs_onexit_init((zfs_onexit_t **)&zs->zs_onexit); + zfs_zevent_init((zfs_zevent_t **)&zs->zs_zevent); + + + /* + * In order to provide for lock-free concurrent read access + * to the minor list in zfsdev_get_state_impl(), new entries + * must be completely written before linking them into the + * list whereas existing entries are already linked; the last + * operation must be updating zs_minor (from -1 to the new + * value). + */ + if (newzs) { + zs->zs_minor = minor; + smp_wmb(); + zsprev->zs_next = zs; + } else { + smp_wmb(); + zs->zs_minor = minor; + } + + return (0); +} + +static int +zfsdev_state_destroy(struct file *filp) +{ + zfsdev_state_t *zs; + + ASSERT(MUTEX_HELD(&zfsdev_state_lock)); + ASSERT(filp->private_data != NULL); + + zs = filp->private_data; + zs->zs_minor = -1; + zfs_onexit_destroy(zs->zs_onexit); + zfs_zevent_destroy(zs->zs_zevent); + + return (0); +} + +static int +zfsdev_open(struct inode *ino, struct file *filp) +{ + int error; + + mutex_enter(&zfsdev_state_lock); + error = zfsdev_state_init(filp); + mutex_exit(&zfsdev_state_lock); + + return (-error); +} + +static int +zfsdev_release(struct inode *ino, struct file *filp) +{ + int error; + + mutex_enter(&zfsdev_state_lock); + error = zfsdev_state_destroy(filp); + mutex_exit(&zfsdev_state_lock); + + return (-error); +} + +static long +zfsdev_ioctl(struct file *filp, unsigned cmd, unsigned long arg) +{ + zfs_cmd_t *zc; + uint_t vecnum; + int error, rc, flag = 0; + const zfs_ioc_vec_t *vec; + char *saved_poolname = NULL; + nvlist_t *innvl = NULL; + fstrans_cookie_t cookie; + + vecnum = cmd - ZFS_IOC_FIRST; + if (vecnum >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) + return (-SET_ERROR(EINVAL)); + vec = &zfs_ioc_vec[vecnum]; + + /* + * The registered ioctl list may be sparse, verify that either + * a normal or legacy handler are registered. + */ + if (vec->zvec_func == NULL && vec->zvec_legacy_func == NULL) + return (-SET_ERROR(EINVAL)); + + zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); + + error = ddi_copyin((void *)arg, zc, sizeof (zfs_cmd_t), flag); + if (error != 0) { + error = SET_ERROR(EFAULT); + goto out; + } + + zc->zc_iflags = flag & FKIOCTL; + if (zc->zc_nvlist_src_size != 0) { + error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, + zc->zc_iflags, &innvl); + if (error != 0) + goto out; + } + + /* + * Ensure that all pool/dataset names are valid before we pass down to + * the lower layers. + */ + zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; + switch (vec->zvec_namecheck) { + case POOL_NAME: + if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) + error = SET_ERROR(EINVAL); + else + error = pool_status_check(zc->zc_name, + vec->zvec_namecheck, vec->zvec_pool_check); + break; + + case DATASET_NAME: + if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) + error = SET_ERROR(EINVAL); + else + error = pool_status_check(zc->zc_name, + vec->zvec_namecheck, vec->zvec_pool_check); + break; + + case NO_NAME: + break; + } + + + if (error == 0 && !(flag & FKIOCTL)) { + cookie = spl_fstrans_mark(); + error = vec->zvec_secpolicy(zc, innvl, CRED()); + spl_fstrans_unmark(cookie); + } + + if (error != 0) + goto out; + + /* legacy ioctls can modify zc_name */ + saved_poolname = strdup(zc->zc_name); + if (saved_poolname == NULL) { + error = SET_ERROR(ENOMEM); + goto out; + } else { + saved_poolname[strcspn(saved_poolname, "/@#")] = '\0'; + } + + if (vec->zvec_func != NULL) { + nvlist_t *outnvl; + int puterror = 0; + spa_t *spa; + nvlist_t *lognv = NULL; + + ASSERT(vec->zvec_legacy_func == NULL); + + /* + * Add the innvl to the lognv before calling the func, + * in case the func changes the innvl. + */ + if (vec->zvec_allow_log) { + lognv = fnvlist_alloc(); + fnvlist_add_string(lognv, ZPOOL_HIST_IOCTL, + vec->zvec_name); + if (!nvlist_empty(innvl)) { + fnvlist_add_nvlist(lognv, ZPOOL_HIST_INPUT_NVL, + innvl); + } + } + + outnvl = fnvlist_alloc(); + cookie = spl_fstrans_mark(); + error = vec->zvec_func(zc->zc_name, innvl, outnvl); + spl_fstrans_unmark(cookie); + + if (error == 0 && vec->zvec_allow_log && + spa_open(zc->zc_name, &spa, FTAG) == 0) { + if (!nvlist_empty(outnvl)) { + fnvlist_add_nvlist(lognv, ZPOOL_HIST_OUTPUT_NVL, + outnvl); + } + (void) spa_history_log_nvl(spa, lognv); + spa_close(spa, FTAG); + } + fnvlist_free(lognv); + + if (!nvlist_empty(outnvl) || zc->zc_nvlist_dst_size != 0) { + int smusherror = 0; + if (vec->zvec_smush_outnvlist) { + smusherror = nvlist_smush(outnvl, + zc->zc_nvlist_dst_size); + } + if (smusherror == 0) + puterror = put_nvlist(zc, outnvl); + } + + if (puterror != 0) + error = puterror; + + nvlist_free(outnvl); + } else { + cookie = spl_fstrans_mark(); + error = vec->zvec_legacy_func(zc); + spl_fstrans_unmark(cookie); + } + +out: + nvlist_free(innvl); + rc = ddi_copyout(zc, (void *)arg, sizeof (zfs_cmd_t), flag); + if (error == 0 && rc != 0) + error = SET_ERROR(EFAULT); + if (error == 0 && vec->zvec_allow_log) { + char *s = tsd_get(zfs_allow_log_key); + if (s != NULL) + strfree(s); + (void) tsd_set(zfs_allow_log_key, saved_poolname); + } else { + if (saved_poolname != NULL) + strfree(saved_poolname); + } + + kmem_free(zc, sizeof (zfs_cmd_t)); + return (-error); +} + +#ifdef CONFIG_COMPAT +static long +zfsdev_compat_ioctl(struct file *filp, unsigned cmd, unsigned long arg) +{ + return (zfsdev_ioctl(filp, cmd, arg)); +} +#else +#define zfsdev_compat_ioctl NULL +#endif + +static const struct file_operations zfsdev_fops = { + .open = zfsdev_open, + .release = zfsdev_release, + .unlocked_ioctl = zfsdev_ioctl, + .compat_ioctl = zfsdev_compat_ioctl, + .owner = THIS_MODULE, +}; + +static struct miscdevice zfs_misc = { + .minor = MISC_DYNAMIC_MINOR, + .name = ZFS_DRIVER, + .fops = &zfsdev_fops, +}; + +static int +zfs_attach(void) +{ + int error; + + mutex_init(&zfsdev_state_lock, NULL, MUTEX_DEFAULT, NULL); + zfsdev_state_list = kmem_zalloc(sizeof (zfsdev_state_t), KM_SLEEP); + zfsdev_state_list->zs_minor = -1; + + error = misc_register(&zfs_misc); + if (error != 0) { + printk(KERN_INFO "ZFS: misc_register() failed %d\n", error); + return (error); + } + + return (0); +} + +static void +zfs_detach(void) +{ + zfsdev_state_t *zs, *zsprev = NULL; + + misc_deregister(&zfs_misc); + mutex_destroy(&zfsdev_state_lock); + + for (zs = zfsdev_state_list; zs != NULL; zs = zs->zs_next) { + if (zsprev) + kmem_free(zsprev, sizeof (zfsdev_state_t)); + zsprev = zs; + } + if (zsprev) + kmem_free(zsprev, sizeof (zfsdev_state_t)); +} + +static void +zfs_allow_log_destroy(void *arg) +{ + char *poolname = arg; + strfree(poolname); +} + +#ifdef DEBUG +#define ZFS_DEBUG_STR " (DEBUG mode)" +#else +#define ZFS_DEBUG_STR "" +#endif + +static int __init +_init(void) +{ + int error; + + error = -vn_set_pwd("/"); + if (error) { + printk(KERN_NOTICE + "ZFS: Warning unable to set pwd to '/': %d\n", error); + return (error); + } + + if ((error = -zvol_init()) != 0) + return (error); + + spa_init(FREAD | FWRITE); + zfs_init(); + + zfs_ioctl_init(); + + if ((error = zfs_attach()) != 0) + goto out; + + tsd_create(&zfs_fsyncer_key, NULL); + tsd_create(&rrw_tsd_key, rrw_tsd_destroy); + tsd_create(&zfs_allow_log_key, zfs_allow_log_destroy); + + printk(KERN_NOTICE "ZFS: Loaded module v%s-%s%s, " + "ZFS pool version %s, ZFS filesystem version %s\n", + ZFS_META_VERSION, ZFS_META_RELEASE, ZFS_DEBUG_STR, + SPA_VERSION_STRING, ZPL_VERSION_STRING); +#ifndef CONFIG_FS_POSIX_ACL + printk(KERN_NOTICE "ZFS: Posix ACLs disabled by kernel\n"); +#endif /* CONFIG_FS_POSIX_ACL */ + + return (0); + +out: + zfs_fini(); + spa_fini(); + (void) zvol_fini(); + printk(KERN_NOTICE "ZFS: Failed to Load ZFS Filesystem v%s-%s%s" + ", rc = %d\n", ZFS_META_VERSION, ZFS_META_RELEASE, + ZFS_DEBUG_STR, error); + + return (error); +} + +static void __exit +_fini(void) +{ + zfs_detach(); + zfs_fini(); + spa_fini(); + zvol_fini(); + + tsd_destroy(&zfs_fsyncer_key); + tsd_destroy(&rrw_tsd_key); + tsd_destroy(&zfs_allow_log_key); + + printk(KERN_NOTICE "ZFS: Unloaded module v%s-%s%s\n", + ZFS_META_VERSION, ZFS_META_RELEASE, ZFS_DEBUG_STR); +} + +#ifdef HAVE_SPL +module_init(_init); +module_exit(_fini); + +MODULE_DESCRIPTION("ZFS"); +MODULE_AUTHOR(ZFS_META_AUTHOR); +MODULE_LICENSE(ZFS_META_LICENSE); +MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); +#endif /* HAVE_SPL */ diff --git a/zfs/module/zfs/zfs_log.c b/zfs/module/zfs/zfs_log.c new file mode 100644 index 000000000000..38d8de0ebf97 --- /dev/null +++ b/zfs/module/zfs/zfs_log.c @@ -0,0 +1,688 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * These zfs_log_* functions must be called within a dmu tx, in one + * of 2 contexts depending on zilog->z_replay: + * + * Non replay mode + * --------------- + * We need to record the transaction so that if it is committed to + * the Intent Log then it can be replayed. An intent log transaction + * structure (itx_t) is allocated and all the information necessary to + * possibly replay the transaction is saved in it. The itx is then assigned + * a sequence number and inserted in the in-memory list anchored in the zilog. + * + * Replay mode + * ----------- + * We need to mark the intent log record as replayed in the log header. + * This is done in the same transaction as the replay so that they + * commit atomically. + */ + +int +zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap) +{ + int isxvattr = (vap->va_mask & ATTR_XVATTR); + switch (type) { + case Z_FILE: + if (vsecp == NULL && !isxvattr) + return (TX_CREATE); + if (vsecp && isxvattr) + return (TX_CREATE_ACL_ATTR); + if (vsecp) + return (TX_CREATE_ACL); + else + return (TX_CREATE_ATTR); + /*NOTREACHED*/ + case Z_DIR: + if (vsecp == NULL && !isxvattr) + return (TX_MKDIR); + if (vsecp && isxvattr) + return (TX_MKDIR_ACL_ATTR); + if (vsecp) + return (TX_MKDIR_ACL); + else + return (TX_MKDIR_ATTR); + case Z_XATTRDIR: + return (TX_MKXATTR); + } + ASSERT(0); + return (TX_MAX_TYPE); +} + +/* + * build up the log data necessary for logging xvattr_t + * First lr_attr_t is initialized. following the lr_attr_t + * is the mapsize and attribute bitmap copied from the xvattr_t. + * Following the bitmap and bitmapsize two 64 bit words are reserved + * for the create time which may be set. Following the create time + * records a single 64 bit integer which has the bits to set on + * replay for the xvattr. + */ +static void +zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap) +{ + uint32_t *bitmap; + uint64_t *attrs; + uint64_t *crtime; + xoptattr_t *xoap; + void *scanstamp; + int i; + + xoap = xva_getxoptattr(xvap); + ASSERT(xoap); + + lrattr->lr_attr_masksize = xvap->xva_mapsize; + bitmap = &lrattr->lr_attr_bitmap; + for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) { + *bitmap = xvap->xva_reqattrmap[i]; + } + + /* Now pack the attributes up in a single uint64_t */ + attrs = (uint64_t *)bitmap; + crtime = attrs + 1; + scanstamp = (caddr_t)(crtime + 2); + *attrs = 0; + if (XVA_ISSET_REQ(xvap, XAT_READONLY)) + *attrs |= (xoap->xoa_readonly == 0) ? 0 : + XAT0_READONLY; + if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) + *attrs |= (xoap->xoa_hidden == 0) ? 0 : + XAT0_HIDDEN; + if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) + *attrs |= (xoap->xoa_system == 0) ? 0 : + XAT0_SYSTEM; + if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) + *attrs |= (xoap->xoa_archive == 0) ? 0 : + XAT0_ARCHIVE; + if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) + *attrs |= (xoap->xoa_immutable == 0) ? 0 : + XAT0_IMMUTABLE; + if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) + *attrs |= (xoap->xoa_nounlink == 0) ? 0 : + XAT0_NOUNLINK; + if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) + *attrs |= (xoap->xoa_appendonly == 0) ? 0 : + XAT0_APPENDONLY; + if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) + *attrs |= (xoap->xoa_opaque == 0) ? 0 : + XAT0_APPENDONLY; + if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) + *attrs |= (xoap->xoa_nodump == 0) ? 0 : + XAT0_NODUMP; + if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) + *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 : + XAT0_AV_QUARANTINED; + if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) + *attrs |= (xoap->xoa_av_modified == 0) ? 0 : + XAT0_AV_MODIFIED; + if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) + ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime); + if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) + bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ); + if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) + *attrs |= (xoap->xoa_reparse == 0) ? 0 : + XAT0_REPARSE; + if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) + *attrs |= (xoap->xoa_offline == 0) ? 0 : + XAT0_OFFLINE; + if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) + *attrs |= (xoap->xoa_sparse == 0) ? 0 : + XAT0_SPARSE; +} + +static void * +zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start) +{ + zfs_fuid_t *zfuid; + uint64_t *fuidloc = start; + + /* First copy in the ACE FUIDs */ + for (zfuid = list_head(&fuidp->z_fuids); zfuid; + zfuid = list_next(&fuidp->z_fuids, zfuid)) { + *fuidloc++ = zfuid->z_logfuid; + } + return (fuidloc); +} + + +static void * +zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start) +{ + zfs_fuid_domain_t *zdomain; + + /* now copy in the domain info, if any */ + if (fuidp->z_domain_str_sz != 0) { + for (zdomain = list_head(&fuidp->z_domains); zdomain; + zdomain = list_next(&fuidp->z_domains, zdomain)) { + bcopy((void *)zdomain->z_domain, start, + strlen(zdomain->z_domain) + 1); + start = (caddr_t)start + + strlen(zdomain->z_domain) + 1; + } + } + return (start); +} + +/* + * Handles TX_CREATE, TX_CREATE_ATTR, TX_MKDIR, TX_MKDIR_ATTR and + * TK_MKXATTR transactions. + * + * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID + * domain information appended prior to the name. In this case the + * uid/gid in the log record will be a log centric FUID. + * + * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that + * may contain attributes, ACL and optional fuid information. + * + * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify + * and ACL and normal users/groups in the ACEs. + * + * There may be an optional xvattr attribute information similar + * to zfs_log_setattr. + * + * Also, after the file name "domain" strings may be appended. + */ +void +zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name, vsecattr_t *vsecp, + zfs_fuid_info_t *fuidp, vattr_t *vap) +{ + itx_t *itx; + lr_create_t *lr; + lr_acl_create_t *lracl; + size_t aclsize = 0; + size_t xvatsize = 0; + size_t txsize; + xvattr_t *xvap = (xvattr_t *)vap; + void *end; + size_t lrsize; + size_t namesize = strlen(name) + 1; + size_t fuidsz = 0; + + if (zil_replaying(zilog, tx)) + return; + + /* + * If we have FUIDs present then add in space for + * domains and ACE fuid's if any. + */ + if (fuidp) { + fuidsz += fuidp->z_domain_str_sz; + fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t); + } + + if (vap->va_mask & ATTR_XVATTR) + xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize); + + if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR || + (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR || + (int)txtype == TX_MKXATTR) { + txsize = sizeof (*lr) + namesize + fuidsz + xvatsize; + lrsize = sizeof (*lr); + } else { + txsize = + sizeof (lr_acl_create_t) + namesize + fuidsz + + ZIL_ACE_LENGTH(aclsize) + xvatsize; + lrsize = sizeof (lr_acl_create_t); + } + + itx = zil_itx_create(txtype, txsize); + + lr = (lr_create_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + lr->lr_foid = zp->z_id; + lr->lr_mode = zp->z_mode; + if (!IS_EPHEMERAL(zp->z_uid)) { + lr->lr_uid = (uint64_t)zp->z_uid; + } else { + lr->lr_uid = fuidp->z_fuid_owner; + } + if (!IS_EPHEMERAL(zp->z_gid)) { + lr->lr_gid = (uint64_t)zp->z_gid; + } else { + lr->lr_gid = fuidp->z_fuid_group; + } + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(ZTOZSB(zp)), &lr->lr_gen, + sizeof (uint64_t)); + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(ZTOZSB(zp)), + lr->lr_crtime, sizeof (uint64_t) * 2); + + if (sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(ZTOZSB(zp)), &lr->lr_rdev, + sizeof (lr->lr_rdev)) != 0) + lr->lr_rdev = 0; + + /* + * Fill in xvattr info if any + */ + if (vap->va_mask & ATTR_XVATTR) { + zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap); + end = (caddr_t)lr + lrsize + xvatsize; + } else { + end = (caddr_t)lr + lrsize; + } + + /* Now fill in any ACL info */ + + if (vsecp) { + lracl = (lr_acl_create_t *)&itx->itx_lr; + lracl->lr_aclcnt = vsecp->vsa_aclcnt; + lracl->lr_acl_bytes = aclsize; + lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; + lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; + if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS) + lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; + else + lracl->lr_acl_flags = 0; + + bcopy(vsecp->vsa_aclentp, end, aclsize); + end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize); + } + + /* drop in FUID info */ + if (fuidp) { + end = zfs_log_fuid_ids(fuidp, end); + end = zfs_log_fuid_domains(fuidp, end); + } + /* + * Now place file name in log record + */ + bcopy(name, end, namesize); + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles both TX_REMOVE and TX_RMDIR transactions. + */ +void +zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, char *name, uint64_t foid) +{ + itx_t *itx; + lr_remove_t *lr; + size_t namesize = strlen(name) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + namesize); + lr = (lr_remove_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + bcopy(name, (char *)(lr + 1), namesize); + + itx->itx_oid = foid; + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_LINK transactions. + */ +void +zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name) +{ + itx_t *itx; + lr_link_t *lr; + size_t namesize = strlen(name) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + namesize); + lr = (lr_link_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + lr->lr_link_obj = zp->z_id; + bcopy(name, (char *)(lr + 1), namesize); + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_SYMLINK transactions. + */ +void +zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name, char *link) +{ + itx_t *itx; + lr_create_t *lr; + size_t namesize = strlen(name) + 1; + size_t linksize = strlen(link) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize); + lr = (lr_create_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + lr->lr_foid = zp->z_id; + lr->lr_uid = zp->z_uid; + lr->lr_gid = zp->z_gid; + lr->lr_mode = zp->z_mode; + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(ZTOZSB(zp)), &lr->lr_gen, + sizeof (uint64_t)); + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(ZTOZSB(zp)), + lr->lr_crtime, sizeof (uint64_t) * 2); + bcopy(name, (char *)(lr + 1), namesize); + bcopy(link, (char *)(lr + 1) + namesize, linksize); + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_RENAME transactions. + */ +void +zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp) +{ + itx_t *itx; + lr_rename_t *lr; + size_t snamesize = strlen(sname) + 1; + size_t dnamesize = strlen(dname) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize); + lr = (lr_rename_t *)&itx->itx_lr; + lr->lr_sdoid = sdzp->z_id; + lr->lr_tdoid = tdzp->z_id; + bcopy(sname, (char *)(lr + 1), snamesize); + bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize); + itx->itx_oid = szp->z_id; + + zil_itx_assign(zilog, itx, tx); +} + +/* + * zfs_log_write() handles TX_WRITE transactions. The specified callback is + * called as soon as the write is on stable storage (be it via a DMU sync or a + * ZIL commit). + */ +long zfs_immediate_write_sz = 32768; + +void +zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, offset_t off, ssize_t resid, int ioflag, + zil_callback_t callback, void *callback_data) +{ + itx_wr_state_t write_state; + boolean_t slogging; + uintptr_t fsync_cnt; + ssize_t immediate_write_sz; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) { + if (callback != NULL) + callback(callback_data); + return; + } + + immediate_write_sz = (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT) + ? 0 : (ssize_t)zfs_immediate_write_sz; + + slogging = spa_has_slogs(zilog->zl_spa) && + (zilog->zl_logbias == ZFS_LOGBIAS_LATENCY); + if (resid > immediate_write_sz && !slogging && resid <= zp->z_blksz) + write_state = WR_INDIRECT; + else if (ioflag & (FSYNC | FDSYNC)) + write_state = WR_COPIED; + else + write_state = WR_NEED_COPY; + + if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) { + (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1)); + } + + while (resid) { + itx_t *itx; + lr_write_t *lr; + ssize_t len; + + /* + * If the write would overflow the largest block then split it. + */ + if (write_state != WR_INDIRECT && resid > ZIL_MAX_LOG_DATA) + len = SPA_OLD_MAXBLOCKSIZE >> 1; + else + len = resid; + + itx = zil_itx_create(txtype, sizeof (*lr) + + (write_state == WR_COPIED ? len : 0)); + lr = (lr_write_t *)&itx->itx_lr; + if (write_state == WR_COPIED && dmu_read(ZTOZSB(zp)->z_os, + zp->z_id, off, len, lr + 1, DMU_READ_NO_PREFETCH) != 0) { + zil_itx_destroy(itx); + itx = zil_itx_create(txtype, sizeof (*lr)); + lr = (lr_write_t *)&itx->itx_lr; + write_state = WR_NEED_COPY; + } + + itx->itx_wr_state = write_state; + if (write_state == WR_NEED_COPY) + itx->itx_sod += len; + lr->lr_foid = zp->z_id; + lr->lr_offset = off; + lr->lr_length = len; + lr->lr_blkoff = 0; + BP_ZERO(&lr->lr_blkptr); + + itx->itx_private = ZTOZSB(zp); + + if (!(ioflag & (FSYNC | FDSYNC)) && (zp->z_sync_cnt == 0) && + (fsync_cnt == 0)) + itx->itx_sync = B_FALSE; + + itx->itx_callback = callback; + itx->itx_callback_data = callback_data; + zil_itx_assign(zilog, itx, tx); + + off += len; + resid -= len; + } +} + +/* + * Handles TX_TRUNCATE transactions. + */ +void +zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, uint64_t off, uint64_t len) +{ + itx_t *itx; + lr_truncate_t *lr; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) + return; + + itx = zil_itx_create(txtype, sizeof (*lr)); + lr = (lr_truncate_t *)&itx->itx_lr; + lr->lr_foid = zp->z_id; + lr->lr_offset = off; + lr->lr_length = len; + + itx->itx_sync = (zp->z_sync_cnt != 0); + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_SETATTR transactions. + */ +void +zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp) +{ + itx_t *itx; + lr_setattr_t *lr; + xvattr_t *xvap = (xvattr_t *)vap; + size_t recsize = sizeof (lr_setattr_t); + void *start; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) + return; + + /* + * If XVATTR set, then log record size needs to allow + * for lr_attr_t + xvattr mask, mapsize and create time + * plus actual attribute values + */ + if (vap->va_mask & ATTR_XVATTR) + recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize); + + if (fuidp) + recsize += fuidp->z_domain_str_sz; + + itx = zil_itx_create(txtype, recsize); + lr = (lr_setattr_t *)&itx->itx_lr; + lr->lr_foid = zp->z_id; + lr->lr_mask = (uint64_t)mask_applied; + lr->lr_mode = (uint64_t)vap->va_mode; + if ((mask_applied & ATTR_UID) && IS_EPHEMERAL(vap->va_uid)) + lr->lr_uid = fuidp->z_fuid_owner; + else + lr->lr_uid = (uint64_t)vap->va_uid; + + if ((mask_applied & ATTR_GID) && IS_EPHEMERAL(vap->va_gid)) + lr->lr_gid = fuidp->z_fuid_group; + else + lr->lr_gid = (uint64_t)vap->va_gid; + + lr->lr_size = (uint64_t)vap->va_size; + ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime); + ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime); + start = (lr_setattr_t *)(lr + 1); + if (vap->va_mask & ATTR_XVATTR) { + zfs_log_xvattr((lr_attr_t *)start, xvap); + start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize); + } + + /* + * Now stick on domain information if any on end + */ + + if (fuidp) + (void) zfs_log_fuid_domains(fuidp, start); + + itx->itx_sync = (zp->z_sync_cnt != 0); + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_ACL transactions. + */ +void +zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, + vsecattr_t *vsecp, zfs_fuid_info_t *fuidp) +{ + itx_t *itx; + lr_acl_v0_t *lrv0; + lr_acl_t *lr; + int txtype; + int lrsize; + size_t txsize; + size_t aclbytes = vsecp->vsa_aclentsz; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) + return; + + txtype = (ZTOZSB(zp)->z_version < ZPL_VERSION_FUID) ? + TX_ACL_V0 : TX_ACL; + + if (txtype == TX_ACL) + lrsize = sizeof (*lr); + else + lrsize = sizeof (*lrv0); + + txsize = lrsize + + ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) + + (fuidp ? fuidp->z_domain_str_sz : 0) + + sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0); + + itx = zil_itx_create(txtype, txsize); + + lr = (lr_acl_t *)&itx->itx_lr; + lr->lr_foid = zp->z_id; + if (txtype == TX_ACL) { + lr->lr_acl_bytes = aclbytes; + lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; + lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; + if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS) + lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; + else + lr->lr_acl_flags = 0; + } + lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt; + + if (txtype == TX_ACL_V0) { + lrv0 = (lr_acl_v0_t *)lr; + bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes); + } else { + void *start = (ace_t *)(lr + 1); + + bcopy(vsecp->vsa_aclentp, start, aclbytes); + + start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes); + + if (fuidp) { + start = zfs_log_fuid_ids(fuidp, start); + (void) zfs_log_fuid_domains(fuidp, start); + } + } + + itx->itx_sync = (zp->z_sync_cnt != 0); + zil_itx_assign(zilog, itx, tx); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_immediate_write_sz, long, 0644); +MODULE_PARM_DESC(zfs_immediate_write_sz, "Largest data block to write to zil"); +#endif diff --git a/zfs/module/zfs/zfs_onexit.c b/zfs/module/zfs/zfs_onexit.c new file mode 100644 index 000000000000..bc3892645fe1 --- /dev/null +++ b/zfs/module/zfs/zfs_onexit.c @@ -0,0 +1,255 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * ZFS kernel routines may add/delete callback routines to be invoked + * upon process exit (triggered via the close operation from the /dev/zfs + * driver). + * + * These cleanup callbacks are intended to allow for the accumulation + * of kernel state across multiple ioctls. User processes participate + * simply by opening ZFS_DEV. This causes the ZFS driver to do create + * some private data for the file descriptor and generating a unique + * minor number. The process then passes along that file descriptor to + * each ioctl that might have a cleanup operation. + * + * Consumers of the onexit routines should call zfs_onexit_fd_hold() early + * on to validate the given fd and add a reference to its file table entry. + * This allows the consumer to do its work and then add a callback, knowing + * that zfs_onexit_add_cb() won't fail with EBADF. When finished, consumers + * should call zfs_onexit_fd_rele(). + * + * A simple example is zfs_ioc_recv(), where we might create an AVL tree + * with dataset/GUID mappings and then reuse that tree on subsequent + * zfs_ioc_recv() calls. + * + * On the first zfs_ioc_recv() call, dmu_recv_stream() will kmem_alloc() + * the AVL tree and pass it along with a callback function to + * zfs_onexit_add_cb(). The zfs_onexit_add_cb() routine will register the + * callback and return an action handle. + * + * The action handle is then passed from user space to subsequent + * zfs_ioc_recv() calls, so that dmu_recv_stream() can fetch its AVL tree + * by calling zfs_onexit_cb_data() with the device minor number and + * action handle. + * + * If the user process exits abnormally, the callback is invoked implicitly + * as part of the driver close operation. Once the user space process is + * finished with the accumulated kernel state, it can also just call close(2) + * on the cleanup fd to trigger the cleanup callback. + */ + +void +zfs_onexit_init(zfs_onexit_t **zop) +{ + zfs_onexit_t *zo; + + zo = *zop = kmem_zalloc(sizeof (zfs_onexit_t), KM_SLEEP); + mutex_init(&zo->zo_lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&zo->zo_actions, sizeof (zfs_onexit_action_node_t), + offsetof(zfs_onexit_action_node_t, za_link)); +} + +void +zfs_onexit_destroy(zfs_onexit_t *zo) +{ + zfs_onexit_action_node_t *ap; + + mutex_enter(&zo->zo_lock); + while ((ap = list_head(&zo->zo_actions)) != NULL) { + list_remove(&zo->zo_actions, ap); + mutex_exit(&zo->zo_lock); + ap->za_func(ap->za_data); + kmem_free(ap, sizeof (zfs_onexit_action_node_t)); + mutex_enter(&zo->zo_lock); + } + mutex_exit(&zo->zo_lock); + + list_destroy(&zo->zo_actions); + mutex_destroy(&zo->zo_lock); + kmem_free(zo, sizeof (zfs_onexit_t)); +} + +static int +zfs_onexit_minor_to_state(minor_t minor, zfs_onexit_t **zo) +{ + *zo = zfsdev_get_state(minor, ZST_ONEXIT); + if (*zo == NULL) + return (SET_ERROR(EBADF)); + + return (0); +} + +/* + * Consumers might need to operate by minor number instead of fd, since + * they might be running in another thread (e.g. txg_sync_thread). Callers + * of this function must call zfs_onexit_fd_rele() when they're finished + * using the minor number. + */ +int +zfs_onexit_fd_hold(int fd, minor_t *minorp) +{ + file_t *fp; + zfs_onexit_t *zo; + int error; + + fp = getf(fd); + if (fp == NULL) + return (SET_ERROR(EBADF)); + + error = zfsdev_getminor(fp->f_file, minorp); + if (error == 0) + error = zfs_onexit_minor_to_state(*minorp, &zo); + + if (error) + zfs_onexit_fd_rele(fd); + + return (error); +} + +void +zfs_onexit_fd_rele(int fd) +{ + releasef(fd); +} + +/* + * Add a callback to be invoked when the calling process exits. + */ +int +zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data, + uint64_t *action_handle) +{ + zfs_onexit_t *zo; + zfs_onexit_action_node_t *ap; + int error; + + error = zfs_onexit_minor_to_state(minor, &zo); + if (error) + return (error); + + ap = kmem_alloc(sizeof (zfs_onexit_action_node_t), KM_SLEEP); + list_link_init(&ap->za_link); + ap->za_func = func; + ap->za_data = data; + + mutex_enter(&zo->zo_lock); + list_insert_tail(&zo->zo_actions, ap); + mutex_exit(&zo->zo_lock); + if (action_handle) + *action_handle = (uint64_t)(uintptr_t)ap; + + return (0); +} + +static zfs_onexit_action_node_t * +zfs_onexit_find_cb(zfs_onexit_t *zo, uint64_t action_handle) +{ + zfs_onexit_action_node_t *match; + zfs_onexit_action_node_t *ap; + list_t *l; + + ASSERT(MUTEX_HELD(&zo->zo_lock)); + + match = (zfs_onexit_action_node_t *)(uintptr_t)action_handle; + l = &zo->zo_actions; + for (ap = list_head(l); ap != NULL; ap = list_next(l, ap)) { + if (match == ap) + break; + } + return (ap); +} + +/* + * Delete the callback, triggering it first if 'fire' is set. + */ +int +zfs_onexit_del_cb(minor_t minor, uint64_t action_handle, boolean_t fire) +{ + zfs_onexit_t *zo; + zfs_onexit_action_node_t *ap; + int error; + + error = zfs_onexit_minor_to_state(minor, &zo); + if (error) + return (error); + + mutex_enter(&zo->zo_lock); + ap = zfs_onexit_find_cb(zo, action_handle); + if (ap != NULL) { + list_remove(&zo->zo_actions, ap); + mutex_exit(&zo->zo_lock); + if (fire) + ap->za_func(ap->za_data); + kmem_free(ap, sizeof (zfs_onexit_action_node_t)); + } else { + mutex_exit(&zo->zo_lock); + error = SET_ERROR(ENOENT); + } + + return (error); +} + +/* + * Return the data associated with this callback. This allows consumers + * of the cleanup-on-exit interfaces to stash kernel data across system + * calls, knowing that it will be cleaned up if the calling process exits. + */ +int +zfs_onexit_cb_data(minor_t minor, uint64_t action_handle, void **data) +{ + zfs_onexit_t *zo; + zfs_onexit_action_node_t *ap; + int error; + + *data = NULL; + + error = zfs_onexit_minor_to_state(minor, &zo); + if (error) + return (error); + + mutex_enter(&zo->zo_lock); + ap = zfs_onexit_find_cb(zo, action_handle); + if (ap != NULL) + *data = ap->za_data; + else + error = SET_ERROR(ENOENT); + mutex_exit(&zo->zo_lock); + + return (error); +} diff --git a/zfs/module/zfs/zfs_replay.c b/zfs/module/zfs/zfs_replay.c new file mode 100644 index 000000000000..0ca1e03b595b --- /dev/null +++ b/zfs/module/zfs/zfs_replay.c @@ -0,0 +1,936 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 Cyril Plisko. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Functions to replay ZFS intent log (ZIL) records + * The functions are called through a function vector (zfs_replay_vector) + * which is indexed by the transaction type. + */ + +static void +zfs_init_vattr(vattr_t *vap, uint64_t mask, uint64_t mode, + uint64_t uid, uint64_t gid, uint64_t rdev, uint64_t nodeid) +{ + bzero(vap, sizeof (*vap)); + vap->va_mask = (uint_t)mask; + vap->va_type = IFTOVT(mode); + vap->va_mode = mode; + vap->va_uid = (uid_t)(IS_EPHEMERAL(uid)) ? -1 : uid; + vap->va_gid = (gid_t)(IS_EPHEMERAL(gid)) ? -1 : gid; + vap->va_rdev = rdev; + vap->va_nodeid = nodeid; +} + +/* ARGSUSED */ +static int +zfs_replay_error(zfs_sb_t *zsb, lr_t *lr, boolean_t byteswap) +{ + return (SET_ERROR(ENOTSUP)); +} + +static void +zfs_replay_xvattr(lr_attr_t *lrattr, xvattr_t *xvap) +{ + xoptattr_t *xoap = NULL; + uint64_t *attrs; + uint64_t *crtime; + uint32_t *bitmap; + void *scanstamp; + int i; + + xvap->xva_vattr.va_mask |= ATTR_XVATTR; + if ((xoap = xva_getxoptattr(xvap)) == NULL) { + xvap->xva_vattr.va_mask &= ~ATTR_XVATTR; /* shouldn't happen */ + return; + } + + ASSERT(lrattr->lr_attr_masksize == xvap->xva_mapsize); + + bitmap = &lrattr->lr_attr_bitmap; + for (i = 0; i != lrattr->lr_attr_masksize; i++, bitmap++) + xvap->xva_reqattrmap[i] = *bitmap; + + attrs = (uint64_t *)(lrattr + lrattr->lr_attr_masksize - 1); + crtime = attrs + 1; + scanstamp = (caddr_t)(crtime + 2); + + if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) + xoap->xoa_hidden = ((*attrs & XAT0_HIDDEN) != 0); + if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) + xoap->xoa_system = ((*attrs & XAT0_SYSTEM) != 0); + if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) + xoap->xoa_archive = ((*attrs & XAT0_ARCHIVE) != 0); + if (XVA_ISSET_REQ(xvap, XAT_READONLY)) + xoap->xoa_readonly = ((*attrs & XAT0_READONLY) != 0); + if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) + xoap->xoa_immutable = ((*attrs & XAT0_IMMUTABLE) != 0); + if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) + xoap->xoa_nounlink = ((*attrs & XAT0_NOUNLINK) != 0); + if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) + xoap->xoa_appendonly = ((*attrs & XAT0_APPENDONLY) != 0); + if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) + xoap->xoa_nodump = ((*attrs & XAT0_NODUMP) != 0); + if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) + xoap->xoa_opaque = ((*attrs & XAT0_OPAQUE) != 0); + if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) + xoap->xoa_av_modified = ((*attrs & XAT0_AV_MODIFIED) != 0); + if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) + xoap->xoa_av_quarantined = + ((*attrs & XAT0_AV_QUARANTINED) != 0); + if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) + ZFS_TIME_DECODE(&xoap->xoa_createtime, crtime); + if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) + bcopy(scanstamp, xoap->xoa_av_scanstamp, AV_SCANSTAMP_SZ); + if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) + xoap->xoa_reparse = ((*attrs & XAT0_REPARSE) != 0); + if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) + xoap->xoa_offline = ((*attrs & XAT0_OFFLINE) != 0); + if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) + xoap->xoa_sparse = ((*attrs & XAT0_SPARSE) != 0); +} + +static int +zfs_replay_domain_cnt(uint64_t uid, uint64_t gid) +{ + uint64_t uid_idx; + uint64_t gid_idx; + int domcnt = 0; + + uid_idx = FUID_INDEX(uid); + gid_idx = FUID_INDEX(gid); + if (uid_idx) + domcnt++; + if (gid_idx > 0 && gid_idx != uid_idx) + domcnt++; + + return (domcnt); +} + +static void * +zfs_replay_fuid_domain_common(zfs_fuid_info_t *fuid_infop, void *start, + int domcnt) +{ + int i; + + for (i = 0; i != domcnt; i++) { + fuid_infop->z_domain_table[i] = start; + start = (caddr_t)start + strlen(start) + 1; + } + + return (start); +} + +/* + * Set the uid/gid in the fuid_info structure. + */ +static void +zfs_replay_fuid_ugid(zfs_fuid_info_t *fuid_infop, uint64_t uid, uint64_t gid) +{ + /* + * If owner or group are log specific FUIDs then slurp up + * domain information and build zfs_fuid_info_t + */ + if (IS_EPHEMERAL(uid)) + fuid_infop->z_fuid_owner = uid; + + if (IS_EPHEMERAL(gid)) + fuid_infop->z_fuid_group = gid; +} + +/* + * Load fuid domains into fuid_info_t + */ +static zfs_fuid_info_t * +zfs_replay_fuid_domain(void *buf, void **end, uint64_t uid, uint64_t gid) +{ + int domcnt; + + zfs_fuid_info_t *fuid_infop; + + fuid_infop = zfs_fuid_info_alloc(); + + domcnt = zfs_replay_domain_cnt(uid, gid); + + if (domcnt == 0) + return (fuid_infop); + + fuid_infop->z_domain_table = + kmem_zalloc(domcnt * sizeof (char **), KM_SLEEP); + + zfs_replay_fuid_ugid(fuid_infop, uid, gid); + + fuid_infop->z_domain_cnt = domcnt; + *end = zfs_replay_fuid_domain_common(fuid_infop, buf, domcnt); + return (fuid_infop); +} + +/* + * load zfs_fuid_t's and fuid_domains into fuid_info_t + */ +static zfs_fuid_info_t * +zfs_replay_fuids(void *start, void **end, int idcnt, int domcnt, uint64_t uid, + uint64_t gid) +{ + uint64_t *log_fuid = (uint64_t *)start; + zfs_fuid_info_t *fuid_infop; + int i; + + fuid_infop = zfs_fuid_info_alloc(); + fuid_infop->z_domain_cnt = domcnt; + + fuid_infop->z_domain_table = + kmem_zalloc(domcnt * sizeof (char **), KM_SLEEP); + + for (i = 0; i != idcnt; i++) { + zfs_fuid_t *zfuid; + + zfuid = kmem_alloc(sizeof (zfs_fuid_t), KM_SLEEP); + zfuid->z_logfuid = *log_fuid; + zfuid->z_id = -1; + zfuid->z_domidx = 0; + list_insert_tail(&fuid_infop->z_fuids, zfuid); + log_fuid++; + } + + zfs_replay_fuid_ugid(fuid_infop, uid, gid); + + *end = zfs_replay_fuid_domain_common(fuid_infop, log_fuid, domcnt); + return (fuid_infop); +} + +static void +zfs_replay_swap_attrs(lr_attr_t *lrattr) +{ + /* swap the lr_attr structure */ + byteswap_uint32_array(lrattr, sizeof (*lrattr)); + /* swap the bitmap */ + byteswap_uint32_array(lrattr + 1, (lrattr->lr_attr_masksize - 1) * + sizeof (uint32_t)); + /* swap the attributes, create time + 64 bit word for attributes */ + byteswap_uint64_array((caddr_t)(lrattr + 1) + (sizeof (uint32_t) * + (lrattr->lr_attr_masksize - 1)), 3 * sizeof (uint64_t)); +} + +/* + * Replay file create with optional ACL, xvattr information as well + * as option FUID information. + */ +static int +zfs_replay_create_acl(zfs_sb_t *zsb, lr_acl_create_t *lracl, boolean_t byteswap) +{ + char *name = NULL; /* location determined later */ + lr_create_t *lr = (lr_create_t *)lracl; + znode_t *dzp; + struct inode *ip = NULL; + xvattr_t xva; + int vflg = 0; + vsecattr_t vsec = { 0 }; + lr_attr_t *lrattr; + void *aclstart; + void *fuidstart; + size_t xvatlen = 0; + uint64_t txtype; + int error; + + txtype = (lr->lr_common.lrc_txtype & ~TX_CI); + if (byteswap) { + byteswap_uint64_array(lracl, sizeof (*lracl)); + if (txtype == TX_CREATE_ACL_ATTR || + txtype == TX_MKDIR_ACL_ATTR) { + lrattr = (lr_attr_t *)(caddr_t)(lracl + 1); + zfs_replay_swap_attrs(lrattr); + xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); + } + + aclstart = (caddr_t)(lracl + 1) + xvatlen; + zfs_ace_byteswap(aclstart, lracl->lr_acl_bytes, B_FALSE); + /* swap fuids */ + if (lracl->lr_fuidcnt) { + byteswap_uint64_array((caddr_t)aclstart + + ZIL_ACE_LENGTH(lracl->lr_acl_bytes), + lracl->lr_fuidcnt * sizeof (uint64_t)); + } + } + + if ((error = zfs_zget(zsb, lr->lr_doid, &dzp)) != 0) + return (error); + + xva_init(&xva); + zfs_init_vattr(&xva.xva_vattr, ATTR_MODE | ATTR_UID | ATTR_GID, + lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, lr->lr_foid); + + /* + * All forms of zfs create (create, mkdir, mkxattrdir, symlink) + * eventually end up in zfs_mknode(), which assigns the object's + * creation time and generation number. The generic zfs_create() + * doesn't have either concept, so we smuggle the values inside + * the vattr's otherwise unused va_ctime and va_nblocks fields. + */ + ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime); + xva.xva_vattr.va_nblocks = lr->lr_gen; + + error = dmu_object_info(zsb->z_os, lr->lr_foid, NULL); + if (error != ENOENT) + goto bail; + + if (lr->lr_common.lrc_txtype & TX_CI) + vflg |= FIGNORECASE; + switch (txtype) { + case TX_CREATE_ACL: + aclstart = (caddr_t)(lracl + 1); + fuidstart = (caddr_t)aclstart + + ZIL_ACE_LENGTH(lracl->lr_acl_bytes); + zsb->z_fuid_replay = zfs_replay_fuids(fuidstart, + (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt, + lr->lr_uid, lr->lr_gid); + /*FALLTHROUGH*/ + case TX_CREATE_ACL_ATTR: + if (name == NULL) { + lrattr = (lr_attr_t *)(caddr_t)(lracl + 1); + xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); + xva.xva_vattr.va_mask |= ATTR_XVATTR; + zfs_replay_xvattr(lrattr, &xva); + } + vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS; + vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen; + vsec.vsa_aclcnt = lracl->lr_aclcnt; + vsec.vsa_aclentsz = lracl->lr_acl_bytes; + vsec.vsa_aclflags = lracl->lr_acl_flags; + if (zsb->z_fuid_replay == NULL) { + fuidstart = (caddr_t)(lracl + 1) + xvatlen + + ZIL_ACE_LENGTH(lracl->lr_acl_bytes); + zsb->z_fuid_replay = + zfs_replay_fuids(fuidstart, + (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt, + lr->lr_uid, lr->lr_gid); + } + + error = zfs_create(ZTOI(dzp), name, &xva.xva_vattr, + 0, 0, &ip, kcred, vflg, &vsec); + break; + case TX_MKDIR_ACL: + aclstart = (caddr_t)(lracl + 1); + fuidstart = (caddr_t)aclstart + + ZIL_ACE_LENGTH(lracl->lr_acl_bytes); + zsb->z_fuid_replay = zfs_replay_fuids(fuidstart, + (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt, + lr->lr_uid, lr->lr_gid); + /*FALLTHROUGH*/ + case TX_MKDIR_ACL_ATTR: + if (name == NULL) { + lrattr = (lr_attr_t *)(caddr_t)(lracl + 1); + xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); + zfs_replay_xvattr(lrattr, &xva); + } + vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS; + vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen; + vsec.vsa_aclcnt = lracl->lr_aclcnt; + vsec.vsa_aclentsz = lracl->lr_acl_bytes; + vsec.vsa_aclflags = lracl->lr_acl_flags; + if (zsb->z_fuid_replay == NULL) { + fuidstart = (caddr_t)(lracl + 1) + xvatlen + + ZIL_ACE_LENGTH(lracl->lr_acl_bytes); + zsb->z_fuid_replay = + zfs_replay_fuids(fuidstart, + (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt, + lr->lr_uid, lr->lr_gid); + } + error = zfs_mkdir(ZTOI(dzp), name, &xva.xva_vattr, + &ip, kcred, vflg, &vsec); + break; + default: + error = SET_ERROR(ENOTSUP); + } + +bail: + if (error == 0 && ip != NULL) + iput(ip); + + iput(ZTOI(dzp)); + + if (zsb->z_fuid_replay) + zfs_fuid_info_free(zsb->z_fuid_replay); + zsb->z_fuid_replay = NULL; + + return (error); +} + +static int +zfs_replay_create(zfs_sb_t *zsb, lr_create_t *lr, boolean_t byteswap) +{ + char *name = NULL; /* location determined later */ + char *link; /* symlink content follows name */ + znode_t *dzp; + struct inode *ip = NULL; + xvattr_t xva; + int vflg = 0; + size_t lrsize = sizeof (lr_create_t); + lr_attr_t *lrattr; + void *start; + size_t xvatlen; + uint64_t txtype; + int error; + + txtype = (lr->lr_common.lrc_txtype & ~TX_CI); + if (byteswap) { + byteswap_uint64_array(lr, sizeof (*lr)); + if (txtype == TX_CREATE_ATTR || txtype == TX_MKDIR_ATTR) + zfs_replay_swap_attrs((lr_attr_t *)(lr + 1)); + } + + + if ((error = zfs_zget(zsb, lr->lr_doid, &dzp)) != 0) + return (error); + + xva_init(&xva); + zfs_init_vattr(&xva.xva_vattr, ATTR_MODE | ATTR_UID | ATTR_GID, + lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, lr->lr_foid); + + /* + * All forms of zfs create (create, mkdir, mkxattrdir, symlink) + * eventually end up in zfs_mknode(), which assigns the object's + * creation time and generation number. The generic zfs_create() + * doesn't have either concept, so we smuggle the values inside + * the vattr's otherwise unused va_ctime and va_nblocks fields. + */ + ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime); + xva.xva_vattr.va_nblocks = lr->lr_gen; + + error = dmu_object_info(zsb->z_os, lr->lr_foid, NULL); + if (error != ENOENT) + goto out; + + if (lr->lr_common.lrc_txtype & TX_CI) + vflg |= FIGNORECASE; + + /* + * Symlinks don't have fuid info, and CIFS never creates + * symlinks. + * + * The _ATTR versions will grab the fuid info in their subcases. + */ + if ((int)lr->lr_common.lrc_txtype != TX_SYMLINK && + (int)lr->lr_common.lrc_txtype != TX_MKDIR_ATTR && + (int)lr->lr_common.lrc_txtype != TX_CREATE_ATTR) { + start = (lr + 1); + zsb->z_fuid_replay = + zfs_replay_fuid_domain(start, &start, + lr->lr_uid, lr->lr_gid); + } + + switch (txtype) { + case TX_CREATE_ATTR: + lrattr = (lr_attr_t *)(caddr_t)(lr + 1); + xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); + zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva); + start = (caddr_t)(lr + 1) + xvatlen; + zsb->z_fuid_replay = + zfs_replay_fuid_domain(start, &start, + lr->lr_uid, lr->lr_gid); + name = (char *)start; + + /*FALLTHROUGH*/ + case TX_CREATE: + if (name == NULL) + name = (char *)start; + + error = zfs_create(ZTOI(dzp), name, &xva.xva_vattr, + 0, 0, &ip, kcred, vflg, NULL); + break; + case TX_MKDIR_ATTR: + lrattr = (lr_attr_t *)(caddr_t)(lr + 1); + xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); + zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva); + start = (caddr_t)(lr + 1) + xvatlen; + zsb->z_fuid_replay = + zfs_replay_fuid_domain(start, &start, + lr->lr_uid, lr->lr_gid); + name = (char *)start; + + /*FALLTHROUGH*/ + case TX_MKDIR: + if (name == NULL) + name = (char *)(lr + 1); + + error = zfs_mkdir(ZTOI(dzp), name, &xva.xva_vattr, + &ip, kcred, vflg, NULL); + break; + case TX_MKXATTR: + error = zfs_make_xattrdir(dzp, &xva.xva_vattr, &ip, kcred); + break; + case TX_SYMLINK: + name = (char *)(lr + 1); + link = name + strlen(name) + 1; + error = zfs_symlink(ZTOI(dzp), name, &xva.xva_vattr, + link, &ip, kcred, vflg); + break; + default: + error = SET_ERROR(ENOTSUP); + } + +out: + if (error == 0 && ip != NULL) + iput(ip); + + iput(ZTOI(dzp)); + + if (zsb->z_fuid_replay) + zfs_fuid_info_free(zsb->z_fuid_replay); + zsb->z_fuid_replay = NULL; + return (error); +} + +static int +zfs_replay_remove(zfs_sb_t *zsb, lr_remove_t *lr, boolean_t byteswap) +{ + char *name = (char *)(lr + 1); /* name follows lr_remove_t */ + znode_t *dzp; + int error; + int vflg = 0; + + if (byteswap) + byteswap_uint64_array(lr, sizeof (*lr)); + + if ((error = zfs_zget(zsb, lr->lr_doid, &dzp)) != 0) + return (error); + + if (lr->lr_common.lrc_txtype & TX_CI) + vflg |= FIGNORECASE; + + switch ((int)lr->lr_common.lrc_txtype) { + case TX_REMOVE: + error = zfs_remove(ZTOI(dzp), name, kcred); + break; + case TX_RMDIR: + error = zfs_rmdir(ZTOI(dzp), name, NULL, kcred, vflg); + break; + default: + error = SET_ERROR(ENOTSUP); + } + + iput(ZTOI(dzp)); + + return (error); +} + +static int +zfs_replay_link(zfs_sb_t *zsb, lr_link_t *lr, boolean_t byteswap) +{ + char *name = (char *)(lr + 1); /* name follows lr_link_t */ + znode_t *dzp, *zp; + int error; + int vflg = 0; + + if (byteswap) + byteswap_uint64_array(lr, sizeof (*lr)); + + if ((error = zfs_zget(zsb, lr->lr_doid, &dzp)) != 0) + return (error); + + if ((error = zfs_zget(zsb, lr->lr_link_obj, &zp)) != 0) { + iput(ZTOI(dzp)); + return (error); + } + + if (lr->lr_common.lrc_txtype & TX_CI) + vflg |= FIGNORECASE; + + error = zfs_link(ZTOI(dzp), ZTOI(zp), name, kcred); + + iput(ZTOI(zp)); + iput(ZTOI(dzp)); + + return (error); +} + +static int +zfs_replay_rename(zfs_sb_t *zsb, lr_rename_t *lr, boolean_t byteswap) +{ + char *sname = (char *)(lr + 1); /* sname and tname follow lr_rename_t */ + char *tname = sname + strlen(sname) + 1; + znode_t *sdzp, *tdzp; + int error; + int vflg = 0; + + if (byteswap) + byteswap_uint64_array(lr, sizeof (*lr)); + + if ((error = zfs_zget(zsb, lr->lr_sdoid, &sdzp)) != 0) + return (error); + + if ((error = zfs_zget(zsb, lr->lr_tdoid, &tdzp)) != 0) { + iput(ZTOI(sdzp)); + return (error); + } + + if (lr->lr_common.lrc_txtype & TX_CI) + vflg |= FIGNORECASE; + + error = zfs_rename(ZTOI(sdzp), sname, ZTOI(tdzp), tname, kcred, vflg); + + iput(ZTOI(tdzp)); + iput(ZTOI(sdzp)); + + return (error); +} + +static int +zfs_replay_write(zfs_sb_t *zsb, lr_write_t *lr, boolean_t byteswap) +{ + char *data = (char *)(lr + 1); /* data follows lr_write_t */ + znode_t *zp; + int error, written; + uint64_t eod, offset, length; + + if (byteswap) + byteswap_uint64_array(lr, sizeof (*lr)); + + if ((error = zfs_zget(zsb, lr->lr_foid, &zp)) != 0) { + /* + * As we can log writes out of order, it's possible the + * file has been removed. In this case just drop the write + * and return success. + */ + if (error == ENOENT) + error = 0; + return (error); + } + + offset = lr->lr_offset; + length = lr->lr_length; + eod = offset + length; /* end of data for this write */ + + /* + * This may be a write from a dmu_sync() for a whole block, + * and may extend beyond the current end of the file. + * We can't just replay what was written for this TX_WRITE as + * a future TX_WRITE2 may extend the eof and the data for that + * write needs to be there. So we write the whole block and + * reduce the eof. This needs to be done within the single dmu + * transaction created within vn_rdwr -> zfs_write. So a possible + * new end of file is passed through in zsb->z_replay_eof + */ + + zsb->z_replay_eof = 0; /* 0 means don't change end of file */ + + /* If it's a dmu_sync() block, write the whole block */ + if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { + uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); + if (length < blocksize) { + offset -= offset % blocksize; + length = blocksize; + } + if (zp->z_size < eod) + zsb->z_replay_eof = eod; + } + + written = zpl_write_common(ZTOI(zp), data, length, &offset, + UIO_SYSSPACE, 0, kcred); + if (written < 0) + error = -written; + else if (written < length) + error = SET_ERROR(EIO); /* short write */ + + iput(ZTOI(zp)); + zsb->z_replay_eof = 0; /* safety */ + + return (error); +} + +/* + * TX_WRITE2 are only generated when dmu_sync() returns EALREADY + * meaning the pool block is already being synced. So now that we always write + * out full blocks, all we have to do is expand the eof if + * the file is grown. + */ +static int +zfs_replay_write2(zfs_sb_t *zsb, lr_write_t *lr, boolean_t byteswap) +{ + znode_t *zp; + int error; + uint64_t end; + + if (byteswap) + byteswap_uint64_array(lr, sizeof (*lr)); + + if ((error = zfs_zget(zsb, lr->lr_foid, &zp)) != 0) + return (error); + +top: + end = lr->lr_offset + lr->lr_length; + if (end > zp->z_size) { + dmu_tx_t *tx = dmu_tx_create(zsb->z_os); + + zp->z_size = end; + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + iput(ZTOI(zp)); + if (error == ERESTART) { + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + dmu_tx_abort(tx); + return (error); + } + (void) sa_update(zp->z_sa_hdl, SA_ZPL_SIZE(zsb), + (void *)&zp->z_size, sizeof (uint64_t), tx); + + /* Ensure the replayed seq is updated */ + (void) zil_replaying(zsb->z_log, tx); + + dmu_tx_commit(tx); + } + + iput(ZTOI(zp)); + + return (error); +} + +static int +zfs_replay_truncate(zfs_sb_t *zsb, lr_truncate_t *lr, boolean_t byteswap) +{ + znode_t *zp; + flock64_t fl; + int error; + + if (byteswap) + byteswap_uint64_array(lr, sizeof (*lr)); + + if ((error = zfs_zget(zsb, lr->lr_foid, &zp)) != 0) + return (error); + + bzero(&fl, sizeof (fl)); + fl.l_type = F_WRLCK; + fl.l_whence = 0; + fl.l_start = lr->lr_offset; + fl.l_len = lr->lr_length; + + error = zfs_space(ZTOI(zp), F_FREESP, &fl, FWRITE | FOFFMAX, + lr->lr_offset, kcred); + + iput(ZTOI(zp)); + + return (error); +} + +static int +zfs_replay_setattr(zfs_sb_t *zsb, lr_setattr_t *lr, boolean_t byteswap) +{ + znode_t *zp; + xvattr_t xva; + vattr_t *vap = &xva.xva_vattr; + int error; + void *start; + + xva_init(&xva); + if (byteswap) { + byteswap_uint64_array(lr, sizeof (*lr)); + + if ((lr->lr_mask & ATTR_XVATTR) && + zsb->z_version >= ZPL_VERSION_INITIAL) + zfs_replay_swap_attrs((lr_attr_t *)(lr + 1)); + } + + if ((error = zfs_zget(zsb, lr->lr_foid, &zp)) != 0) + return (error); + + zfs_init_vattr(vap, lr->lr_mask, lr->lr_mode, + lr->lr_uid, lr->lr_gid, 0, lr->lr_foid); + + vap->va_size = lr->lr_size; + ZFS_TIME_DECODE(&vap->va_atime, lr->lr_atime); + ZFS_TIME_DECODE(&vap->va_mtime, lr->lr_mtime); + + /* + * Fill in xvattr_t portions if necessary. + */ + + start = (lr_setattr_t *)(lr + 1); + if (vap->va_mask & ATTR_XVATTR) { + zfs_replay_xvattr((lr_attr_t *)start, &xva); + start = (caddr_t)start + + ZIL_XVAT_SIZE(((lr_attr_t *)start)->lr_attr_masksize); + } else + xva.xva_vattr.va_mask &= ~ATTR_XVATTR; + + zsb->z_fuid_replay = zfs_replay_fuid_domain(start, &start, + lr->lr_uid, lr->lr_gid); + + error = zfs_setattr(ZTOI(zp), vap, 0, kcred); + + zfs_fuid_info_free(zsb->z_fuid_replay); + zsb->z_fuid_replay = NULL; + iput(ZTOI(zp)); + + return (error); +} + +static int +zfs_replay_acl_v0(zfs_sb_t *zsb, lr_acl_v0_t *lr, boolean_t byteswap) +{ + ace_t *ace = (ace_t *)(lr + 1); /* ace array follows lr_acl_t */ + vsecattr_t vsa; + znode_t *zp; + int error; + + if (byteswap) { + byteswap_uint64_array(lr, sizeof (*lr)); + zfs_oldace_byteswap(ace, lr->lr_aclcnt); + } + + if ((error = zfs_zget(zsb, lr->lr_foid, &zp)) != 0) + return (error); + + bzero(&vsa, sizeof (vsa)); + vsa.vsa_mask = VSA_ACE | VSA_ACECNT; + vsa.vsa_aclcnt = lr->lr_aclcnt; + vsa.vsa_aclentsz = sizeof (ace_t) * vsa.vsa_aclcnt; + vsa.vsa_aclflags = 0; + vsa.vsa_aclentp = ace; + + error = zfs_setsecattr(ZTOI(zp), &vsa, 0, kcred); + + iput(ZTOI(zp)); + + return (error); +} + +/* + * Replaying ACLs is complicated by FUID support. + * The log record may contain some optional data + * to be used for replaying FUID's. These pieces + * are the actual FUIDs that were created initially. + * The FUID table index may no longer be valid and + * during zfs_create() a new index may be assigned. + * Because of this the log will contain the original + * doman+rid in order to create a new FUID. + * + * The individual ACEs may contain an ephemeral uid/gid which is no + * longer valid and will need to be replaced with an actual FUID. + * + */ +static int +zfs_replay_acl(zfs_sb_t *zsb, lr_acl_t *lr, boolean_t byteswap) +{ + ace_t *ace = (ace_t *)(lr + 1); + vsecattr_t vsa; + znode_t *zp; + int error; + + if (byteswap) { + byteswap_uint64_array(lr, sizeof (*lr)); + zfs_ace_byteswap(ace, lr->lr_acl_bytes, B_FALSE); + if (lr->lr_fuidcnt) { + byteswap_uint64_array((caddr_t)ace + + ZIL_ACE_LENGTH(lr->lr_acl_bytes), + lr->lr_fuidcnt * sizeof (uint64_t)); + } + } + + if ((error = zfs_zget(zsb, lr->lr_foid, &zp)) != 0) + return (error); + + bzero(&vsa, sizeof (vsa)); + vsa.vsa_mask = VSA_ACE | VSA_ACECNT | VSA_ACE_ACLFLAGS; + vsa.vsa_aclcnt = lr->lr_aclcnt; + vsa.vsa_aclentp = ace; + vsa.vsa_aclentsz = lr->lr_acl_bytes; + vsa.vsa_aclflags = lr->lr_acl_flags; + + if (lr->lr_fuidcnt) { + void *fuidstart = (caddr_t)ace + + ZIL_ACE_LENGTH(lr->lr_acl_bytes); + + zsb->z_fuid_replay = + zfs_replay_fuids(fuidstart, &fuidstart, + lr->lr_fuidcnt, lr->lr_domcnt, 0, 0); + } + + error = zfs_setsecattr(ZTOI(zp), &vsa, 0, kcred); + + if (zsb->z_fuid_replay) + zfs_fuid_info_free(zsb->z_fuid_replay); + + zsb->z_fuid_replay = NULL; + iput(ZTOI(zp)); + + return (error); +} + +/* + * Callback vectors for replaying records + */ +zil_replay_func_t zfs_replay_vector[TX_MAX_TYPE] = { + (zil_replay_func_t)zfs_replay_error, /* no such type */ + (zil_replay_func_t)zfs_replay_create, /* TX_CREATE */ + (zil_replay_func_t)zfs_replay_create, /* TX_MKDIR */ + (zil_replay_func_t)zfs_replay_create, /* TX_MKXATTR */ + (zil_replay_func_t)zfs_replay_create, /* TX_SYMLINK */ + (zil_replay_func_t)zfs_replay_remove, /* TX_REMOVE */ + (zil_replay_func_t)zfs_replay_remove, /* TX_RMDIR */ + (zil_replay_func_t)zfs_replay_link, /* TX_LINK */ + (zil_replay_func_t)zfs_replay_rename, /* TX_RENAME */ + (zil_replay_func_t)zfs_replay_write, /* TX_WRITE */ + (zil_replay_func_t)zfs_replay_truncate, /* TX_TRUNCATE */ + (zil_replay_func_t)zfs_replay_setattr, /* TX_SETATTR */ + (zil_replay_func_t)zfs_replay_acl_v0, /* TX_ACL_V0 */ + (zil_replay_func_t)zfs_replay_acl, /* TX_ACL */ + (zil_replay_func_t)zfs_replay_create_acl, /* TX_CREATE_ACL */ + (zil_replay_func_t)zfs_replay_create, /* TX_CREATE_ATTR */ + (zil_replay_func_t)zfs_replay_create_acl, /* TX_CREATE_ACL_ATTR */ + (zil_replay_func_t)zfs_replay_create_acl, /* TX_MKDIR_ACL */ + (zil_replay_func_t)zfs_replay_create, /* TX_MKDIR_ATTR */ + (zil_replay_func_t)zfs_replay_create_acl, /* TX_MKDIR_ACL_ATTR */ + (zil_replay_func_t)zfs_replay_write2, /* TX_WRITE2 */ +}; diff --git a/zfs/module/zfs/zfs_rlock.c b/zfs/module/zfs/zfs_rlock.c new file mode 100644 index 000000000000..fd3e8a68d2a7 --- /dev/null +++ b/zfs/module/zfs/zfs_rlock.c @@ -0,0 +1,635 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +/* + * This file contains the code to implement file range locking in + * ZFS, although there isn't much specific to ZFS (all that comes to mind is + * support for growing the blocksize). + * + * Interface + * --------- + * Defined in zfs_rlock.h but essentially: + * rl = zfs_range_lock(zp, off, len, lock_type); + * zfs_range_unlock(rl); + * zfs_range_reduce(rl, off, len); + * + * AVL tree + * -------- + * An AVL tree is used to maintain the state of the existing ranges + * that are locked for exclusive (writer) or shared (reader) use. + * The starting range offset is used for searching and sorting the tree. + * + * Common case + * ----------- + * The (hopefully) usual case is of no overlaps or contention for + * locks. On entry to zfs_lock_range() a rl_t is allocated; the tree + * searched that finds no overlap, and *this* rl_t is placed in the tree. + * + * Overlaps/Reference counting/Proxy locks + * --------------------------------------- + * The avl code only allows one node at a particular offset. Also it's very + * inefficient to search through all previous entries looking for overlaps + * (because the very 1st in the ordered list might be at offset 0 but + * cover the whole file). + * So this implementation uses reference counts and proxy range locks. + * Firstly, only reader locks use reference counts and proxy locks, + * because writer locks are exclusive. + * When a reader lock overlaps with another then a proxy lock is created + * for that range and replaces the original lock. If the overlap + * is exact then the reference count of the proxy is simply incremented. + * Otherwise, the proxy lock is split into smaller lock ranges and + * new proxy locks created for non overlapping ranges. + * The reference counts are adjusted accordingly. + * Meanwhile, the orginal lock is kept around (this is the callers handle) + * and its offset and length are used when releasing the lock. + * + * Thread coordination + * ------------------- + * In order to make wakeups efficient and to ensure multiple continuous + * readers on a range don't starve a writer for the same range lock, + * two condition variables are allocated in each rl_t. + * If a writer (or reader) can't get a range it initialises the writer + * (or reader) cv; sets a flag saying there's a writer (or reader) waiting; + * and waits on that cv. When a thread unlocks that range it wakes up all + * writers then all readers before destroying the lock. + * + * Append mode writes + * ------------------ + * Append mode writes need to lock a range at the end of a file. + * The offset of the end of the file is determined under the + * range locking mutex, and the lock type converted from RL_APPEND to + * RL_WRITER and the range locked. + * + * Grow block handling + * ------------------- + * ZFS supports multiple block sizes currently upto 128K. The smallest + * block size is used for the file which is grown as needed. During this + * growth all other writers and readers must be excluded. + * So if the block size needs to be grown then the whole file is + * exclusively locked, then later the caller will reduce the lock + * range to just the range to be written using zfs_reduce_range. + */ + +#include + +/* + * Check if a write lock can be grabbed, or wait and recheck until available. + */ +static void +zfs_range_lock_writer(zfs_rlock_t *zrl, rl_t *new) +{ + avl_tree_t *tree = &zrl->zr_avl; + rl_t *rl; + avl_index_t where; + uint64_t end_size; + uint64_t off = new->r_off; + uint64_t len = new->r_len; + + for (;;) { + /* + * Range locking is also used by zvol. However, for zvol, we + * don't need to append or grow blocksize, so skip that + * processing. + * + * Yes, this is ugly, and would be solved by not handling + * grow or append in range lock code. If that was done then + * we could make the range locking code generically available + * to other non-zfs consumers. + */ + if (zrl->zr_size) { /* caller is ZPL */ + /* + * If in append mode pick up the current end of file. + * This is done under z_range_lock to avoid races. + */ + if (new->r_type == RL_APPEND) + new->r_off = *zrl->zr_size; + + /* + * If we need to grow the block size then grab the whole + * file range. This is also done under z_range_lock to + * avoid races. + */ + end_size = MAX(*zrl->zr_size, new->r_off + len); + if (end_size > *zrl->zr_blksz && + (!ISP2(*zrl->zr_blksz) || + *zrl->zr_blksz < *zrl->zr_max_blksz)) { + new->r_off = 0; + new->r_len = UINT64_MAX; + } + } + + /* + * First check for the usual case of no locks + */ + if (avl_numnodes(tree) == 0) { + new->r_type = RL_WRITER; /* convert to writer */ + avl_add(tree, new); + return; + } + + /* + * Look for any locks in the range. + */ + rl = avl_find(tree, new, &where); + if (rl) + goto wait; /* already locked at same offset */ + + rl = (rl_t *)avl_nearest(tree, where, AVL_AFTER); + if (rl && (rl->r_off < new->r_off + new->r_len)) + goto wait; + + rl = (rl_t *)avl_nearest(tree, where, AVL_BEFORE); + if (rl && rl->r_off + rl->r_len > new->r_off) + goto wait; + + new->r_type = RL_WRITER; /* convert possible RL_APPEND */ + avl_insert(tree, new, where); + return; +wait: + if (!rl->r_write_wanted) { + cv_init(&rl->r_wr_cv, NULL, CV_DEFAULT, NULL); + rl->r_write_wanted = B_TRUE; + } + cv_wait(&rl->r_wr_cv, &zrl->zr_mutex); + + /* reset to original */ + new->r_off = off; + new->r_len = len; + } +} + +/* + * If this is an original (non-proxy) lock then replace it by + * a proxy and return the proxy. + */ +static rl_t * +zfs_range_proxify(avl_tree_t *tree, rl_t *rl) +{ + rl_t *proxy; + + if (rl->r_proxy) + return (rl); /* already a proxy */ + + ASSERT3U(rl->r_cnt, ==, 1); + ASSERT(rl->r_write_wanted == B_FALSE); + ASSERT(rl->r_read_wanted == B_FALSE); + avl_remove(tree, rl); + rl->r_cnt = 0; + + /* create a proxy range lock */ + proxy = kmem_alloc(sizeof (rl_t), KM_SLEEP); + proxy->r_off = rl->r_off; + proxy->r_len = rl->r_len; + proxy->r_cnt = 1; + proxy->r_type = RL_READER; + proxy->r_proxy = B_TRUE; + proxy->r_write_wanted = B_FALSE; + proxy->r_read_wanted = B_FALSE; + avl_add(tree, proxy); + + return (proxy); +} + +/* + * Split the range lock at the supplied offset + * returning the *front* proxy. + */ +static rl_t * +zfs_range_split(avl_tree_t *tree, rl_t *rl, uint64_t off) +{ + rl_t *front, *rear; + + ASSERT3U(rl->r_len, >, 1); + ASSERT3U(off, >, rl->r_off); + ASSERT3U(off, <, rl->r_off + rl->r_len); + ASSERT(rl->r_write_wanted == B_FALSE); + ASSERT(rl->r_read_wanted == B_FALSE); + + /* create the rear proxy range lock */ + rear = kmem_alloc(sizeof (rl_t), KM_SLEEP); + rear->r_off = off; + rear->r_len = rl->r_off + rl->r_len - off; + rear->r_cnt = rl->r_cnt; + rear->r_type = RL_READER; + rear->r_proxy = B_TRUE; + rear->r_write_wanted = B_FALSE; + rear->r_read_wanted = B_FALSE; + + front = zfs_range_proxify(tree, rl); + front->r_len = off - rl->r_off; + + avl_insert_here(tree, rear, front, AVL_AFTER); + return (front); +} + +/* + * Create and add a new proxy range lock for the supplied range. + */ +static void +zfs_range_new_proxy(avl_tree_t *tree, uint64_t off, uint64_t len) +{ + rl_t *rl; + + ASSERT(len); + rl = kmem_alloc(sizeof (rl_t), KM_SLEEP); + rl->r_off = off; + rl->r_len = len; + rl->r_cnt = 1; + rl->r_type = RL_READER; + rl->r_proxy = B_TRUE; + rl->r_write_wanted = B_FALSE; + rl->r_read_wanted = B_FALSE; + avl_add(tree, rl); +} + +static void +zfs_range_add_reader(avl_tree_t *tree, rl_t *new, rl_t *prev, avl_index_t where) +{ + rl_t *next; + uint64_t off = new->r_off; + uint64_t len = new->r_len; + + /* + * prev arrives either: + * - pointing to an entry at the same offset + * - pointing to the entry with the closest previous offset whose + * range may overlap with the new range + * - null, if there were no ranges starting before the new one + */ + if (prev) { + if (prev->r_off + prev->r_len <= off) { + prev = NULL; + } else if (prev->r_off != off) { + /* + * convert to proxy if needed then + * split this entry and bump ref count + */ + prev = zfs_range_split(tree, prev, off); + prev = AVL_NEXT(tree, prev); /* move to rear range */ + } + } + ASSERT((prev == NULL) || (prev->r_off == off)); + + if (prev) + next = prev; + else + next = (rl_t *)avl_nearest(tree, where, AVL_AFTER); + + if (next == NULL || off + len <= next->r_off) { + /* no overlaps, use the original new rl_t in the tree */ + avl_insert(tree, new, where); + return; + } + + if (off < next->r_off) { + /* Add a proxy for initial range before the overlap */ + zfs_range_new_proxy(tree, off, next->r_off - off); + } + + new->r_cnt = 0; /* will use proxies in tree */ + /* + * We now search forward through the ranges, until we go past the end + * of the new range. For each entry we make it a proxy if it + * isn't already, then bump its reference count. If there's any + * gaps between the ranges then we create a new proxy range. + */ + for (prev = NULL; next; prev = next, next = AVL_NEXT(tree, next)) { + if (off + len <= next->r_off) + break; + if (prev && prev->r_off + prev->r_len < next->r_off) { + /* there's a gap */ + ASSERT3U(next->r_off, >, prev->r_off + prev->r_len); + zfs_range_new_proxy(tree, prev->r_off + prev->r_len, + next->r_off - (prev->r_off + prev->r_len)); + } + if (off + len == next->r_off + next->r_len) { + /* exact overlap with end */ + next = zfs_range_proxify(tree, next); + next->r_cnt++; + return; + } + if (off + len < next->r_off + next->r_len) { + /* new range ends in the middle of this block */ + next = zfs_range_split(tree, next, off + len); + next->r_cnt++; + return; + } + ASSERT3U(off + len, >, next->r_off + next->r_len); + next = zfs_range_proxify(tree, next); + next->r_cnt++; + } + + /* Add the remaining end range. */ + zfs_range_new_proxy(tree, prev->r_off + prev->r_len, + (off + len) - (prev->r_off + prev->r_len)); +} + +/* + * Check if a reader lock can be grabbed, or wait and recheck until available. + */ +static void +zfs_range_lock_reader(zfs_rlock_t *zrl, rl_t *new) +{ + avl_tree_t *tree = &zrl->zr_avl; + rl_t *prev, *next; + avl_index_t where; + uint64_t off = new->r_off; + uint64_t len = new->r_len; + + /* + * Look for any writer locks in the range. + */ +retry: + prev = avl_find(tree, new, &where); + if (prev == NULL) + prev = (rl_t *)avl_nearest(tree, where, AVL_BEFORE); + + /* + * Check the previous range for a writer lock overlap. + */ + if (prev && (off < prev->r_off + prev->r_len)) { + if ((prev->r_type == RL_WRITER) || (prev->r_write_wanted)) { + if (!prev->r_read_wanted) { + cv_init(&prev->r_rd_cv, NULL, CV_DEFAULT, NULL); + prev->r_read_wanted = B_TRUE; + } + cv_wait(&prev->r_rd_cv, &zrl->zr_mutex); + goto retry; + } + if (off + len < prev->r_off + prev->r_len) + goto got_lock; + } + + /* + * Search through the following ranges to see if there's + * write lock any overlap. + */ + if (prev) + next = AVL_NEXT(tree, prev); + else + next = (rl_t *)avl_nearest(tree, where, AVL_AFTER); + for (; next; next = AVL_NEXT(tree, next)) { + if (off + len <= next->r_off) + goto got_lock; + if ((next->r_type == RL_WRITER) || (next->r_write_wanted)) { + if (!next->r_read_wanted) { + cv_init(&next->r_rd_cv, NULL, CV_DEFAULT, NULL); + next->r_read_wanted = B_TRUE; + } + cv_wait(&next->r_rd_cv, &zrl->zr_mutex); + goto retry; + } + if (off + len <= next->r_off + next->r_len) + goto got_lock; + } + +got_lock: + /* + * Add the read lock, which may involve splitting existing + * locks and bumping ref counts (r_cnt). + */ + zfs_range_add_reader(tree, new, prev, where); +} + +/* + * Lock a range (offset, length) as either shared (RL_READER) + * or exclusive (RL_WRITER). Returns the range lock structure + * for later unlocking or reduce range (if entire file + * previously locked as RL_WRITER). + */ +rl_t * +zfs_range_lock(zfs_rlock_t *zrl, uint64_t off, uint64_t len, rl_type_t type) +{ + rl_t *new; + + ASSERT(type == RL_READER || type == RL_WRITER || type == RL_APPEND); + + new = kmem_alloc(sizeof (rl_t), KM_SLEEP); + new->r_zrl = zrl; + new->r_off = off; + if (len + off < off) /* overflow */ + len = UINT64_MAX - off; + new->r_len = len; + new->r_cnt = 1; /* assume it's going to be in the tree */ + new->r_type = type; + new->r_proxy = B_FALSE; + new->r_write_wanted = B_FALSE; + new->r_read_wanted = B_FALSE; + + mutex_enter(&zrl->zr_mutex); + if (type == RL_READER) { + /* + * First check for the usual case of no locks + */ + if (avl_numnodes(&zrl->zr_avl) == 0) + avl_add(&zrl->zr_avl, new); + else + zfs_range_lock_reader(zrl, new); + } else /* RL_WRITER or RL_APPEND */ + zfs_range_lock_writer(zrl, new); + mutex_exit(&zrl->zr_mutex); + return (new); +} + +static void +zfs_range_free(void *arg) +{ + rl_t *rl = arg; + + if (rl->r_write_wanted) + cv_destroy(&rl->r_wr_cv); + + if (rl->r_read_wanted) + cv_destroy(&rl->r_rd_cv); + + kmem_free(rl, sizeof (rl_t)); +} + +/* + * Unlock a reader lock + */ +static void +zfs_range_unlock_reader(zfs_rlock_t *zrl, rl_t *remove, list_t *free_list) +{ + avl_tree_t *tree = &zrl->zr_avl; + rl_t *rl, *next = NULL; + uint64_t len; + + /* + * The common case is when the remove entry is in the tree + * (cnt == 1) meaning there's been no other reader locks overlapping + * with this one. Otherwise the remove entry will have been + * removed from the tree and replaced by proxies (one or + * more ranges mapping to the entire range). + */ + if (remove->r_cnt == 1) { + avl_remove(tree, remove); + + if (remove->r_write_wanted) + cv_broadcast(&remove->r_wr_cv); + + if (remove->r_read_wanted) + cv_broadcast(&remove->r_rd_cv); + + list_insert_tail(free_list, remove); + } else { + ASSERT0(remove->r_cnt); + ASSERT0(remove->r_write_wanted); + ASSERT0(remove->r_read_wanted); + /* + * Find start proxy representing this reader lock, + * then decrement ref count on all proxies + * that make up this range, freeing them as needed. + */ + rl = avl_find(tree, remove, NULL); + ASSERT(rl); + ASSERT(rl->r_cnt); + ASSERT(rl->r_type == RL_READER); + for (len = remove->r_len; len != 0; rl = next) { + len -= rl->r_len; + if (len) { + next = AVL_NEXT(tree, rl); + ASSERT(next); + ASSERT(rl->r_off + rl->r_len == next->r_off); + ASSERT(next->r_cnt); + ASSERT(next->r_type == RL_READER); + } + rl->r_cnt--; + if (rl->r_cnt == 0) { + avl_remove(tree, rl); + + if (rl->r_write_wanted) + cv_broadcast(&rl->r_wr_cv); + + if (rl->r_read_wanted) + cv_broadcast(&rl->r_rd_cv); + + list_insert_tail(free_list, rl); + } + } + + kmem_free(remove, sizeof (rl_t)); + } +} + +/* + * Unlock range and destroy range lock structure. + */ +void +zfs_range_unlock(rl_t *rl) +{ + zfs_rlock_t *zrl = rl->r_zrl; + list_t free_list; + rl_t *free_rl; + + ASSERT(rl->r_type == RL_WRITER || rl->r_type == RL_READER); + ASSERT(rl->r_cnt == 1 || rl->r_cnt == 0); + ASSERT(!rl->r_proxy); + list_create(&free_list, sizeof (rl_t), offsetof(rl_t, rl_node)); + + mutex_enter(&zrl->zr_mutex); + if (rl->r_type == RL_WRITER) { + /* writer locks can't be shared or split */ + avl_remove(&zrl->zr_avl, rl); + if (rl->r_write_wanted) + cv_broadcast(&rl->r_wr_cv); + + if (rl->r_read_wanted) + cv_broadcast(&rl->r_rd_cv); + + list_insert_tail(&free_list, rl); + } else { + /* + * lock may be shared, let zfs_range_unlock_reader() + * release the zp->z_range_lock lock and free the rl_t + */ + zfs_range_unlock_reader(zrl, rl, &free_list); + } + mutex_exit(&zrl->zr_mutex); + + while ((free_rl = list_head(&free_list)) != NULL) { + list_remove(&free_list, free_rl); + zfs_range_free(free_rl); + } + + list_destroy(&free_list); +} + +/* + * Reduce range locked as RL_WRITER from whole file to specified range. + * Asserts the whole file is exclusivly locked and so there's only one + * entry in the tree. + */ +void +zfs_range_reduce(rl_t *rl, uint64_t off, uint64_t len) +{ + zfs_rlock_t *zrl = rl->r_zrl; + + /* Ensure there are no other locks */ + ASSERT(avl_numnodes(&zrl->zr_avl) == 1); + ASSERT(rl->r_off == 0); + ASSERT(rl->r_type == RL_WRITER); + ASSERT(!rl->r_proxy); + ASSERT3U(rl->r_len, ==, UINT64_MAX); + ASSERT3U(rl->r_cnt, ==, 1); + + mutex_enter(&zrl->zr_mutex); + rl->r_off = off; + rl->r_len = len; + + if (rl->r_write_wanted) + cv_broadcast(&rl->r_wr_cv); + if (rl->r_read_wanted) + cv_broadcast(&rl->r_rd_cv); + + mutex_exit(&zrl->zr_mutex); +} + +/* + * AVL comparison function used to order range locks + * Locks are ordered on the start offset of the range. + */ +int +zfs_range_compare(const void *arg1, const void *arg2) +{ + const rl_t *rl1 = arg1; + const rl_t *rl2 = arg2; + + if (rl1->r_off > rl2->r_off) + return (1); + if (rl1->r_off < rl2->r_off) + return (-1); + return (0); +} + +#ifdef _KERNEL +EXPORT_SYMBOL(zfs_range_lock); +EXPORT_SYMBOL(zfs_range_unlock); +EXPORT_SYMBOL(zfs_range_reduce); +EXPORT_SYMBOL(zfs_range_compare); +#endif diff --git a/zfs/module/zfs/zfs_sa.c b/zfs/module/zfs/zfs_sa.c new file mode 100644 index 000000000000..98e6185cfd1a --- /dev/null +++ b/zfs/module/zfs/zfs_sa.c @@ -0,0 +1,424 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#include +#include +#include +#include +#include + +/* + * ZPL attribute registration table. + * Order of attributes doesn't matter + * a unique value will be assigned for each + * attribute that is file system specific + * + * This is just the set of ZPL attributes that this + * version of ZFS deals with natively. The file system + * could have other attributes stored in files, but they will be + * ignored. The SA framework will preserve them, just that + * this version of ZFS won't change or delete them. + */ + +sa_attr_reg_t zfs_attr_table[ZPL_END+1] = { + {"ZPL_ATIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 0}, + {"ZPL_MTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 1}, + {"ZPL_CTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 2}, + {"ZPL_CRTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 3}, + {"ZPL_GEN", sizeof (uint64_t), SA_UINT64_ARRAY, 4}, + {"ZPL_MODE", sizeof (uint64_t), SA_UINT64_ARRAY, 5}, + {"ZPL_SIZE", sizeof (uint64_t), SA_UINT64_ARRAY, 6}, + {"ZPL_PARENT", sizeof (uint64_t), SA_UINT64_ARRAY, 7}, + {"ZPL_LINKS", sizeof (uint64_t), SA_UINT64_ARRAY, 8}, + {"ZPL_XATTR", sizeof (uint64_t), SA_UINT64_ARRAY, 9}, + {"ZPL_RDEV", sizeof (uint64_t), SA_UINT64_ARRAY, 10}, + {"ZPL_FLAGS", sizeof (uint64_t), SA_UINT64_ARRAY, 11}, + {"ZPL_UID", sizeof (uint64_t), SA_UINT64_ARRAY, 12}, + {"ZPL_GID", sizeof (uint64_t), SA_UINT64_ARRAY, 13}, + {"ZPL_PAD", sizeof (uint64_t) * 4, SA_UINT64_ARRAY, 14}, + {"ZPL_ZNODE_ACL", 88, SA_UINT8_ARRAY, 15}, + {"ZPL_DACL_COUNT", sizeof (uint64_t), SA_UINT64_ARRAY, 0}, + {"ZPL_SYMLINK", 0, SA_UINT8_ARRAY, 0}, + {"ZPL_SCANSTAMP", 32, SA_UINT8_ARRAY, 0}, + {"ZPL_DACL_ACES", 0, SA_ACL, 0}, + {"ZPL_DXATTR", 0, SA_UINT8_ARRAY, 0}, + {NULL, 0, 0, 0} +}; + +#ifdef _KERNEL +int +zfs_sa_readlink(znode_t *zp, uio_t *uio) +{ + dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); + size_t bufsz; + int error; + + bufsz = zp->z_size; + if (bufsz + ZFS_OLD_ZNODE_PHYS_SIZE <= db->db_size) { + error = uiomove((caddr_t)db->db_data + + ZFS_OLD_ZNODE_PHYS_SIZE, + MIN((size_t)bufsz, uio->uio_resid), UIO_READ, uio); + } else { + dmu_buf_t *dbp; + if ((error = dmu_buf_hold(ZTOZSB(zp)->z_os, zp->z_id, + 0, FTAG, &dbp, DMU_READ_NO_PREFETCH)) == 0) { + error = uiomove(dbp->db_data, + MIN((size_t)bufsz, uio->uio_resid), UIO_READ, uio); + dmu_buf_rele(dbp, FTAG); + } + } + return (error); +} + +void +zfs_sa_symlink(znode_t *zp, char *link, int len, dmu_tx_t *tx) +{ + dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); + + if (ZFS_OLD_ZNODE_PHYS_SIZE + len <= dmu_bonus_max()) { + VERIFY(dmu_set_bonus(db, + len + ZFS_OLD_ZNODE_PHYS_SIZE, tx) == 0); + if (len) { + bcopy(link, (caddr_t)db->db_data + + ZFS_OLD_ZNODE_PHYS_SIZE, len); + } + } else { + dmu_buf_t *dbp; + + zfs_grow_blocksize(zp, len, tx); + VERIFY(0 == dmu_buf_hold(ZTOZSB(zp)->z_os, + zp->z_id, 0, FTAG, &dbp, DMU_READ_NO_PREFETCH)); + + dmu_buf_will_dirty(dbp, tx); + + ASSERT3U(len, <=, dbp->db_size); + bcopy(link, dbp->db_data, len); + dmu_buf_rele(dbp, FTAG); + } +} + +void +zfs_sa_get_scanstamp(znode_t *zp, xvattr_t *xvap) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + xoptattr_t *xoap; + + ASSERT(MUTEX_HELD(&zp->z_lock)); + VERIFY((xoap = xva_getxoptattr(xvap)) != NULL); + if (zp->z_is_sa) { + if (sa_lookup(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zsb), + &xoap->xoa_av_scanstamp, + sizeof (xoap->xoa_av_scanstamp)) != 0) + return; + } else { + dmu_object_info_t doi; + dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); + int len; + + if (!(zp->z_pflags & ZFS_BONUS_SCANSTAMP)) + return; + + sa_object_info(zp->z_sa_hdl, &doi); + len = sizeof (xoap->xoa_av_scanstamp) + + ZFS_OLD_ZNODE_PHYS_SIZE; + + if (len <= doi.doi_bonus_size) { + (void) memcpy(xoap->xoa_av_scanstamp, + (caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE, + sizeof (xoap->xoa_av_scanstamp)); + } + } + XVA_SET_RTN(xvap, XAT_AV_SCANSTAMP); +} + +void +zfs_sa_set_scanstamp(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + xoptattr_t *xoap; + + ASSERT(MUTEX_HELD(&zp->z_lock)); + VERIFY((xoap = xva_getxoptattr(xvap)) != NULL); + if (zp->z_is_sa) + VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zsb), + &xoap->xoa_av_scanstamp, + sizeof (xoap->xoa_av_scanstamp), tx)); + else { + dmu_object_info_t doi; + dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); + int len; + + sa_object_info(zp->z_sa_hdl, &doi); + len = sizeof (xoap->xoa_av_scanstamp) + + ZFS_OLD_ZNODE_PHYS_SIZE; + if (len > doi.doi_bonus_size) + VERIFY(dmu_set_bonus(db, len, tx) == 0); + (void) memcpy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE, + xoap->xoa_av_scanstamp, sizeof (xoap->xoa_av_scanstamp)); + + zp->z_pflags |= ZFS_BONUS_SCANSTAMP; + VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(zsb), + &zp->z_pflags, sizeof (uint64_t), tx)); + } +} + +int +zfs_sa_get_xattr(znode_t *zp) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + char *obj; + int size; + int error; + + ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock)); + ASSERT(!zp->z_xattr_cached); + ASSERT(zp->z_is_sa); + + error = sa_size(zp->z_sa_hdl, SA_ZPL_DXATTR(zsb), &size); + if (error) { + if (error == ENOENT) + return nvlist_alloc(&zp->z_xattr_cached, + NV_UNIQUE_NAME, KM_SLEEP); + else + return (error); + } + + obj = zio_buf_alloc(size); + + error = sa_lookup(zp->z_sa_hdl, SA_ZPL_DXATTR(zsb), obj, size); + if (error == 0) + error = nvlist_unpack(obj, size, &zp->z_xattr_cached, KM_SLEEP); + + zio_buf_free(obj, size); + + return (error); +} + +int +zfs_sa_set_xattr(znode_t *zp) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + dmu_tx_t *tx; + char *obj; + size_t size; + int error; + + ASSERT(RW_WRITE_HELD(&zp->z_xattr_lock)); + ASSERT(zp->z_xattr_cached); + ASSERT(zp->z_is_sa); + + error = nvlist_size(zp->z_xattr_cached, &size, NV_ENCODE_XDR); + if ((error == 0) && (size > SA_ATTR_MAX_LEN)) + error = EFBIG; + if (error) + goto out; + + obj = zio_buf_alloc(size); + + error = nvlist_pack(zp->z_xattr_cached, &obj, &size, + NV_ENCODE_XDR, KM_SLEEP); + if (error) + goto out_free; + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa_create(tx, size); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); + + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + } else { + VERIFY0(sa_update(zp->z_sa_hdl, SA_ZPL_DXATTR(zsb), + obj, size, tx)); + dmu_tx_commit(tx); + } +out_free: + zio_buf_free(obj, size); +out: + return (error); +} + +/* + * I'm not convinced we should do any of this upgrade. + * since the SA code can read both old/new znode formats + * with probably little to no performance difference. + * + * All new files will be created with the new format. + */ + +void +zfs_sa_upgrade(sa_handle_t *hdl, dmu_tx_t *tx) +{ + dmu_buf_t *db = sa_get_db(hdl); + znode_t *zp = sa_get_userdata(hdl); + zfs_sb_t *zsb = ZTOZSB(zp); + int count = 0; + sa_bulk_attr_t *bulk, *sa_attrs; + zfs_acl_locator_cb_t locate = { 0 }; + uint64_t uid, gid, mode, rdev, xattr, parent; + uint64_t crtime[2], mtime[2], ctime[2], atime[2]; + zfs_acl_phys_t znode_acl; + char scanstamp[AV_SCANSTAMP_SZ]; + boolean_t drop_lock = B_FALSE; + + /* + * No upgrade if ACL isn't cached + * since we won't know which locks are held + * and ready the ACL would require special "locked" + * interfaces that would be messy + */ + if (zp->z_acl_cached == NULL || S_ISLNK(ZTOI(zp)->i_mode)) + return; + + /* + * If the z_lock is held and we aren't the owner + * the just return since we don't want to deadlock + * trying to update the status of z_is_sa. This + * file can then be upgraded at a later time. + * + * Otherwise, we know we are doing the + * sa_update() that caused us to enter this function. + */ + if (mutex_owner(&zp->z_lock) != curthread) { + if (mutex_tryenter(&zp->z_lock) == 0) + return; + else + drop_lock = B_TRUE; + } + + /* First do a bulk query of the attributes that aren't cached */ + bulk = kmem_alloc(sizeof (sa_bulk_attr_t) * 20, KM_SLEEP); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ATIME(zsb), NULL, &atime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), NULL, &mtime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, &ctime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CRTIME(zsb), NULL, &crtime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zsb), NULL, &mode, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_PARENT(zsb), NULL, &parent, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_XATTR(zsb), NULL, &xattr, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_RDEV(zsb), NULL, &rdev, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zsb), NULL, &uid, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zsb), NULL, &gid, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ZNODE_ACL(zsb), NULL, + &znode_acl, 88); + + if (sa_bulk_lookup_locked(hdl, bulk, count) != 0) { + kmem_free(bulk, sizeof (sa_bulk_attr_t) * 20); + goto done; + } + + /* + * While the order here doesn't matter its best to try and organize + * it is such a way to pick up an already existing layout number + */ + count = 0; + sa_attrs = kmem_zalloc(sizeof (sa_bulk_attr_t) * 20, KM_SLEEP); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MODE(zsb), NULL, &mode, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SIZE(zsb), NULL, + &zp->z_size, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GEN(zsb), + NULL, &zp->z_gen, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_UID(zsb), NULL, &uid, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GID(zsb), NULL, &gid, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_PARENT(zsb), + NULL, &parent, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_FLAGS(zsb), NULL, + &zp->z_pflags, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_ATIME(zsb), NULL, + &atime, 16); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MTIME(zsb), NULL, + &mtime, 16); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CTIME(zsb), NULL, + &ctime, 16); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CRTIME(zsb), NULL, + &crtime, 16); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_LINKS(zsb), NULL, + &zp->z_links, 8); + if (S_ISBLK(ZTOI(zp)->i_mode) || S_ISCHR(ZTOI(zp)->i_mode)) + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_RDEV(zsb), NULL, + &rdev, 8); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_COUNT(zsb), NULL, + &zp->z_acl_cached->z_acl_count, 8); + + if (zp->z_acl_cached->z_version < ZFS_ACL_VERSION_FUID) + zfs_acl_xform(zp, zp->z_acl_cached, CRED()); + + locate.cb_aclp = zp->z_acl_cached; + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_ACES(zsb), + zfs_acl_data_locator, &locate, zp->z_acl_cached->z_acl_bytes); + + if (xattr) + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_XATTR(zsb), + NULL, &xattr, 8); + + /* if scanstamp then add scanstamp */ + + if (zp->z_pflags & ZFS_BONUS_SCANSTAMP) { + bcopy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE, + scanstamp, AV_SCANSTAMP_SZ); + SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SCANSTAMP(zsb), + NULL, scanstamp, AV_SCANSTAMP_SZ); + zp->z_pflags &= ~ZFS_BONUS_SCANSTAMP; + } + + VERIFY(dmu_set_bonustype(db, DMU_OT_SA, tx) == 0); + VERIFY(sa_replace_all_by_template_locked(hdl, sa_attrs, + count, tx) == 0); + if (znode_acl.z_acl_extern_obj) + VERIFY(0 == dmu_object_free(zsb->z_os, + znode_acl.z_acl_extern_obj, tx)); + + zp->z_is_sa = B_TRUE; + kmem_free(sa_attrs, sizeof (sa_bulk_attr_t) * 20); + kmem_free(bulk, sizeof (sa_bulk_attr_t) * 20); +done: + if (drop_lock) + mutex_exit(&zp->z_lock); +} + +void +zfs_sa_upgrade_txholds(dmu_tx_t *tx, znode_t *zp) +{ + if (!ZTOZSB(zp)->z_use_sa || zp->z_is_sa) + return; + + + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); + + if (zfs_external_acl(zp)) { + dmu_tx_hold_free(tx, zfs_external_acl(zp), 0, + DMU_OBJECT_END); + } +} + +EXPORT_SYMBOL(zfs_attr_table); +EXPORT_SYMBOL(zfs_sa_readlink); +EXPORT_SYMBOL(zfs_sa_symlink); +EXPORT_SYMBOL(zfs_sa_get_scanstamp); +EXPORT_SYMBOL(zfs_sa_set_scanstamp); +EXPORT_SYMBOL(zfs_sa_get_xattr); +EXPORT_SYMBOL(zfs_sa_set_xattr); +EXPORT_SYMBOL(zfs_sa_upgrade); +EXPORT_SYMBOL(zfs_sa_upgrade_txholds); + +#endif diff --git a/zfs/module/zfs/zfs_vfsops.c b/zfs/module/zfs/zfs_vfsops.c new file mode 100644 index 000000000000..d7786f6b6601 --- /dev/null +++ b/zfs/module/zfs/zfs_vfsops.c @@ -0,0 +1,1888 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "fs/fs_subr.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "zfs_comutil.h" + +/*ARGSUSED*/ +int +zfs_sync(struct super_block *sb, int wait, cred_t *cr) +{ + zfs_sb_t *zsb = sb->s_fs_info; + + /* + * Data integrity is job one. We don't want a compromised kernel + * writing to the storage pool, so we never sync during panic. + */ + if (unlikely(oops_in_progress)) + return (0); + + /* + * Semantically, the only requirement is that the sync be initiated. + * The DMU syncs out txgs frequently, so there's nothing to do. + */ + if (!wait) + return (0); + + if (zsb != NULL) { + /* + * Sync a specific filesystem. + */ + dsl_pool_t *dp; + + ZFS_ENTER(zsb); + dp = dmu_objset_pool(zsb->z_os); + + /* + * If the system is shutting down, then skip any + * filesystems which may exist on a suspended pool. + */ + if (spa_suspended(dp->dp_spa)) { + ZFS_EXIT(zsb); + return (0); + } + + if (zsb->z_log != NULL) + zil_commit(zsb->z_log, 0); + + ZFS_EXIT(zsb); + } else { + /* + * Sync all ZFS filesystems. This is what happens when you + * run sync(1M). Unlike other filesystems, ZFS honors the + * request by waiting for all pools to commit all dirty data. + */ + spa_sync_allpools(); + } + + return (0); +} +EXPORT_SYMBOL(zfs_sync); + +boolean_t +zfs_is_readonly(zfs_sb_t *zsb) +{ + return (!!(zsb->z_sb->s_flags & MS_RDONLY)); +} +EXPORT_SYMBOL(zfs_is_readonly); + +static void +atime_changed_cb(void *arg, uint64_t newval) +{ + ((zfs_sb_t *)arg)->z_atime = newval; +} + +static void +relatime_changed_cb(void *arg, uint64_t newval) +{ + ((zfs_sb_t *)arg)->z_relatime = newval; +} + +static void +xattr_changed_cb(void *arg, uint64_t newval) +{ + zfs_sb_t *zsb = arg; + + if (newval == ZFS_XATTR_OFF) { + zsb->z_flags &= ~ZSB_XATTR; + } else { + zsb->z_flags |= ZSB_XATTR; + + if (newval == ZFS_XATTR_SA) + zsb->z_xattr_sa = B_TRUE; + else + zsb->z_xattr_sa = B_FALSE; + } +} + +static void +acltype_changed_cb(void *arg, uint64_t newval) +{ + zfs_sb_t *zsb = arg; + + switch (newval) { + case ZFS_ACLTYPE_OFF: + zsb->z_acl_type = ZFS_ACLTYPE_OFF; + zsb->z_sb->s_flags &= ~MS_POSIXACL; + break; + case ZFS_ACLTYPE_POSIXACL: +#ifdef CONFIG_FS_POSIX_ACL + zsb->z_acl_type = ZFS_ACLTYPE_POSIXACL; + zsb->z_sb->s_flags |= MS_POSIXACL; +#else + zsb->z_acl_type = ZFS_ACLTYPE_OFF; + zsb->z_sb->s_flags &= ~MS_POSIXACL; +#endif /* CONFIG_FS_POSIX_ACL */ + break; + default: + break; + } +} + +static void +blksz_changed_cb(void *arg, uint64_t newval) +{ + zfs_sb_t *zsb = arg; + ASSERT3U(newval, <=, spa_maxblocksize(dmu_objset_spa(zsb->z_os))); + ASSERT3U(newval, >=, SPA_MINBLOCKSIZE); + ASSERT(ISP2(newval)); + + zsb->z_max_blksz = newval; +} + +static void +readonly_changed_cb(void *arg, uint64_t newval) +{ + zfs_sb_t *zsb = arg; + struct super_block *sb = zsb->z_sb; + + if (sb == NULL) + return; + + if (newval) + sb->s_flags |= MS_RDONLY; + else + sb->s_flags &= ~MS_RDONLY; +} + +static void +devices_changed_cb(void *arg, uint64_t newval) +{ +} + +static void +setuid_changed_cb(void *arg, uint64_t newval) +{ +} + +static void +exec_changed_cb(void *arg, uint64_t newval) +{ +} + +static void +nbmand_changed_cb(void *arg, uint64_t newval) +{ + zfs_sb_t *zsb = arg; + struct super_block *sb = zsb->z_sb; + + if (sb == NULL) + return; + + if (newval == TRUE) + sb->s_flags |= MS_MANDLOCK; + else + sb->s_flags &= ~MS_MANDLOCK; +} + +static void +snapdir_changed_cb(void *arg, uint64_t newval) +{ + ((zfs_sb_t *)arg)->z_show_ctldir = newval; +} + +static void +vscan_changed_cb(void *arg, uint64_t newval) +{ + ((zfs_sb_t *)arg)->z_vscan = newval; +} + +static void +acl_inherit_changed_cb(void *arg, uint64_t newval) +{ + ((zfs_sb_t *)arg)->z_acl_inherit = newval; +} + +int +zfs_register_callbacks(zfs_sb_t *zsb) +{ + struct dsl_dataset *ds = NULL; + objset_t *os = zsb->z_os; + zfs_mntopts_t *zmo = zsb->z_mntopts; + int error = 0; + + ASSERT(zsb); + ASSERT(zmo); + + /* + * The act of registering our callbacks will destroy any mount + * options we may have. In order to enable temporary overrides + * of mount options, we stash away the current values and + * restore them after we register the callbacks. + */ + if (zfs_is_readonly(zsb) || !spa_writeable(dmu_objset_spa(os))) { + zmo->z_do_readonly = B_TRUE; + zmo->z_readonly = B_TRUE; + } + + /* + * Register property callbacks. + * + * It would probably be fine to just check for i/o error from + * the first prop_register(), but I guess I like to go + * overboard... + */ + ds = dmu_objset_ds(os); + dsl_pool_config_enter(dmu_objset_pool(os), FTAG); + error = dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_ATIME), atime_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_RELATIME), relatime_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_XATTR), xattr_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_RECORDSIZE), blksz_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_READONLY), readonly_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_DEVICES), devices_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_SETUID), setuid_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_EXEC), exec_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_SNAPDIR), snapdir_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_ACLTYPE), acltype_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_ACLINHERIT), acl_inherit_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_VSCAN), vscan_changed_cb, zsb); + error = error ? error : dsl_prop_register(ds, + zfs_prop_to_name(ZFS_PROP_NBMAND), nbmand_changed_cb, zsb); + dsl_pool_config_exit(dmu_objset_pool(os), FTAG); + if (error) + goto unregister; + + /* + * Invoke our callbacks to restore temporary mount options. + */ + if (zmo->z_do_readonly) + readonly_changed_cb(zsb, zmo->z_readonly); + if (zmo->z_do_setuid) + setuid_changed_cb(zsb, zmo->z_setuid); + if (zmo->z_do_exec) + exec_changed_cb(zsb, zmo->z_exec); + if (zmo->z_do_devices) + devices_changed_cb(zsb, zmo->z_devices); + if (zmo->z_do_xattr) + xattr_changed_cb(zsb, zmo->z_xattr); + if (zmo->z_do_atime) + atime_changed_cb(zsb, zmo->z_atime); + if (zmo->z_do_relatime) + relatime_changed_cb(zsb, zmo->z_relatime); + if (zmo->z_do_nbmand) + nbmand_changed_cb(zsb, zmo->z_nbmand); + + return (0); + +unregister: + /* + * We may attempt to unregister some callbacks that are not + * registered, but this is OK; it will simply return ENOMSG, + * which we will ignore. + */ + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_ATIME), + atime_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_RELATIME), + relatime_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_XATTR), + xattr_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_RECORDSIZE), + blksz_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_READONLY), + readonly_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_DEVICES), + devices_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_SETUID), + setuid_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_EXEC), + exec_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_SNAPDIR), + snapdir_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_ACLTYPE), + acltype_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_ACLINHERIT), + acl_inherit_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_VSCAN), + vscan_changed_cb, zsb); + (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_NBMAND), + nbmand_changed_cb, zsb); + + return (error); +} +EXPORT_SYMBOL(zfs_register_callbacks); + +static int +zfs_space_delta_cb(dmu_object_type_t bonustype, void *data, + uint64_t *userp, uint64_t *groupp) +{ + /* + * Is it a valid type of object to track? + */ + if (bonustype != DMU_OT_ZNODE && bonustype != DMU_OT_SA) + return (SET_ERROR(ENOENT)); + + /* + * If we have a NULL data pointer + * then assume the id's aren't changing and + * return EEXIST to the dmu to let it know to + * use the same ids + */ + if (data == NULL) + return (SET_ERROR(EEXIST)); + + if (bonustype == DMU_OT_ZNODE) { + znode_phys_t *znp = data; + *userp = znp->zp_uid; + *groupp = znp->zp_gid; + } else { + int hdrsize; + sa_hdr_phys_t *sap = data; + sa_hdr_phys_t sa = *sap; + boolean_t swap = B_FALSE; + + ASSERT(bonustype == DMU_OT_SA); + + if (sa.sa_magic == 0) { + /* + * This should only happen for newly created + * files that haven't had the znode data filled + * in yet. + */ + *userp = 0; + *groupp = 0; + return (0); + } + if (sa.sa_magic == BSWAP_32(SA_MAGIC)) { + sa.sa_magic = SA_MAGIC; + sa.sa_layout_info = BSWAP_16(sa.sa_layout_info); + swap = B_TRUE; + } else { + VERIFY3U(sa.sa_magic, ==, SA_MAGIC); + } + + hdrsize = sa_hdrsize(&sa); + VERIFY3U(hdrsize, >=, sizeof (sa_hdr_phys_t)); + *userp = *((uint64_t *)((uintptr_t)data + hdrsize + + SA_UID_OFFSET)); + *groupp = *((uint64_t *)((uintptr_t)data + hdrsize + + SA_GID_OFFSET)); + if (swap) { + *userp = BSWAP_64(*userp); + *groupp = BSWAP_64(*groupp); + } + } + return (0); +} + +static void +fuidstr_to_sid(zfs_sb_t *zsb, const char *fuidstr, + char *domainbuf, int buflen, uid_t *ridp) +{ + uint64_t fuid; + const char *domain; + + fuid = strtonum(fuidstr, NULL); + + domain = zfs_fuid_find_by_idx(zsb, FUID_INDEX(fuid)); + if (domain) + (void) strlcpy(domainbuf, domain, buflen); + else + domainbuf[0] = '\0'; + *ridp = FUID_RID(fuid); +} + +static uint64_t +zfs_userquota_prop_to_obj(zfs_sb_t *zsb, zfs_userquota_prop_t type) +{ + switch (type) { + case ZFS_PROP_USERUSED: + return (DMU_USERUSED_OBJECT); + case ZFS_PROP_GROUPUSED: + return (DMU_GROUPUSED_OBJECT); + case ZFS_PROP_USERQUOTA: + return (zsb->z_userquota_obj); + case ZFS_PROP_GROUPQUOTA: + return (zsb->z_groupquota_obj); + default: + return (SET_ERROR(ENOTSUP)); + } + return (0); +} + +int +zfs_userspace_many(zfs_sb_t *zsb, zfs_userquota_prop_t type, + uint64_t *cookiep, void *vbuf, uint64_t *bufsizep) +{ + int error; + zap_cursor_t zc; + zap_attribute_t za; + zfs_useracct_t *buf = vbuf; + uint64_t obj; + + if (!dmu_objset_userspace_present(zsb->z_os)) + return (SET_ERROR(ENOTSUP)); + + obj = zfs_userquota_prop_to_obj(zsb, type); + if (obj == 0) { + *bufsizep = 0; + return (0); + } + + for (zap_cursor_init_serialized(&zc, zsb->z_os, obj, *cookiep); + (error = zap_cursor_retrieve(&zc, &za)) == 0; + zap_cursor_advance(&zc)) { + if ((uintptr_t)buf - (uintptr_t)vbuf + sizeof (zfs_useracct_t) > + *bufsizep) + break; + + fuidstr_to_sid(zsb, za.za_name, + buf->zu_domain, sizeof (buf->zu_domain), &buf->zu_rid); + + buf->zu_space = za.za_first_integer; + buf++; + } + if (error == ENOENT) + error = 0; + + ASSERT3U((uintptr_t)buf - (uintptr_t)vbuf, <=, *bufsizep); + *bufsizep = (uintptr_t)buf - (uintptr_t)vbuf; + *cookiep = zap_cursor_serialize(&zc); + zap_cursor_fini(&zc); + return (error); +} +EXPORT_SYMBOL(zfs_userspace_many); + +/* + * buf must be big enough (eg, 32 bytes) + */ +static int +id_to_fuidstr(zfs_sb_t *zsb, const char *domain, uid_t rid, + char *buf, boolean_t addok) +{ + uint64_t fuid; + int domainid = 0; + + if (domain && domain[0]) { + domainid = zfs_fuid_find_by_domain(zsb, domain, NULL, addok); + if (domainid == -1) + return (SET_ERROR(ENOENT)); + } + fuid = FUID_ENCODE(domainid, rid); + (void) sprintf(buf, "%llx", (longlong_t)fuid); + return (0); +} + +int +zfs_userspace_one(zfs_sb_t *zsb, zfs_userquota_prop_t type, + const char *domain, uint64_t rid, uint64_t *valp) +{ + char buf[32]; + int err; + uint64_t obj; + + *valp = 0; + + if (!dmu_objset_userspace_present(zsb->z_os)) + return (SET_ERROR(ENOTSUP)); + + obj = zfs_userquota_prop_to_obj(zsb, type); + if (obj == 0) + return (0); + + err = id_to_fuidstr(zsb, domain, rid, buf, B_FALSE); + if (err) + return (err); + + err = zap_lookup(zsb->z_os, obj, buf, 8, 1, valp); + if (err == ENOENT) + err = 0; + return (err); +} +EXPORT_SYMBOL(zfs_userspace_one); + +int +zfs_set_userquota(zfs_sb_t *zsb, zfs_userquota_prop_t type, + const char *domain, uint64_t rid, uint64_t quota) +{ + char buf[32]; + int err; + dmu_tx_t *tx; + uint64_t *objp; + boolean_t fuid_dirtied; + + if (type != ZFS_PROP_USERQUOTA && type != ZFS_PROP_GROUPQUOTA) + return (SET_ERROR(EINVAL)); + + if (zsb->z_version < ZPL_VERSION_USERSPACE) + return (SET_ERROR(ENOTSUP)); + + objp = (type == ZFS_PROP_USERQUOTA) ? &zsb->z_userquota_obj : + &zsb->z_groupquota_obj; + + err = id_to_fuidstr(zsb, domain, rid, buf, B_TRUE); + if (err) + return (err); + fuid_dirtied = zsb->z_fuid_dirty; + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_zap(tx, *objp ? *objp : DMU_NEW_OBJECT, B_TRUE, NULL); + if (*objp == 0) { + dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_TRUE, + zfs_userquota_prop_prefixes[type]); + } + if (fuid_dirtied) + zfs_fuid_txhold(zsb, tx); + err = dmu_tx_assign(tx, TXG_WAIT); + if (err) { + dmu_tx_abort(tx); + return (err); + } + + mutex_enter(&zsb->z_lock); + if (*objp == 0) { + *objp = zap_create(zsb->z_os, DMU_OT_USERGROUP_QUOTA, + DMU_OT_NONE, 0, tx); + VERIFY(0 == zap_add(zsb->z_os, MASTER_NODE_OBJ, + zfs_userquota_prop_prefixes[type], 8, 1, objp, tx)); + } + mutex_exit(&zsb->z_lock); + + if (quota == 0) { + err = zap_remove(zsb->z_os, *objp, buf, tx); + if (err == ENOENT) + err = 0; + } else { + err = zap_update(zsb->z_os, *objp, buf, 8, 1, "a, tx); + } + ASSERT(err == 0); + if (fuid_dirtied) + zfs_fuid_sync(zsb, tx); + dmu_tx_commit(tx); + return (err); +} +EXPORT_SYMBOL(zfs_set_userquota); + +boolean_t +zfs_fuid_overquota(zfs_sb_t *zsb, boolean_t isgroup, uint64_t fuid) +{ + char buf[32]; + uint64_t used, quota, usedobj, quotaobj; + int err; + + usedobj = isgroup ? DMU_GROUPUSED_OBJECT : DMU_USERUSED_OBJECT; + quotaobj = isgroup ? zsb->z_groupquota_obj : zsb->z_userquota_obj; + + if (quotaobj == 0 || zsb->z_replay) + return (B_FALSE); + + (void) sprintf(buf, "%llx", (longlong_t)fuid); + err = zap_lookup(zsb->z_os, quotaobj, buf, 8, 1, "a); + if (err != 0) + return (B_FALSE); + + err = zap_lookup(zsb->z_os, usedobj, buf, 8, 1, &used); + if (err != 0) + return (B_FALSE); + return (used >= quota); +} +EXPORT_SYMBOL(zfs_fuid_overquota); + +boolean_t +zfs_owner_overquota(zfs_sb_t *zsb, znode_t *zp, boolean_t isgroup) +{ + uint64_t fuid; + uint64_t quotaobj; + + quotaobj = isgroup ? zsb->z_groupquota_obj : zsb->z_userquota_obj; + + fuid = isgroup ? zp->z_gid : zp->z_uid; + + if (quotaobj == 0 || zsb->z_replay) + return (B_FALSE); + + return (zfs_fuid_overquota(zsb, isgroup, fuid)); +} +EXPORT_SYMBOL(zfs_owner_overquota); + +zfs_mntopts_t * +zfs_mntopts_alloc(void) +{ + return (kmem_zalloc(sizeof (zfs_mntopts_t), KM_SLEEP)); +} + +void +zfs_mntopts_free(zfs_mntopts_t *zmo) +{ + if (zmo->z_osname) + strfree(zmo->z_osname); + + if (zmo->z_mntpoint) + strfree(zmo->z_mntpoint); + + kmem_free(zmo, sizeof (zfs_mntopts_t)); +} + +int +zfs_sb_create(const char *osname, zfs_mntopts_t *zmo, zfs_sb_t **zsbp) +{ + objset_t *os; + zfs_sb_t *zsb; + uint64_t zval; + int i, size, error; + uint64_t sa_obj; + + zsb = kmem_zalloc(sizeof (zfs_sb_t), KM_SLEEP); + + /* + * Optional temporary mount options, free'd in zfs_sb_free(). + */ + zsb->z_mntopts = (zmo ? zmo : zfs_mntopts_alloc()); + + /* + * We claim to always be readonly so we can open snapshots; + * other ZPL code will prevent us from writing to snapshots. + */ + error = dmu_objset_own(osname, DMU_OST_ZFS, B_TRUE, zsb, &os); + if (error) + goto out_zmo; + + /* + * Initialize the zfs-specific filesystem structure. + * Should probably make this a kmem cache, shuffle fields. + */ + zsb->z_sb = NULL; + zsb->z_parent = zsb; + zsb->z_max_blksz = SPA_OLD_MAXBLOCKSIZE; + zsb->z_show_ctldir = ZFS_SNAPDIR_VISIBLE; + zsb->z_os = os; + + error = zfs_get_zplprop(os, ZFS_PROP_VERSION, &zsb->z_version); + if (error) { + goto out; + } else if (zsb->z_version > ZPL_VERSION) { + error = SET_ERROR(ENOTSUP); + goto out; + } + if ((error = zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &zval)) != 0) + goto out; + zsb->z_norm = (int)zval; + + if ((error = zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &zval)) != 0) + goto out; + zsb->z_utf8 = (zval != 0); + + if ((error = zfs_get_zplprop(os, ZFS_PROP_CASE, &zval)) != 0) + goto out; + zsb->z_case = (uint_t)zval; + + if ((error = zfs_get_zplprop(os, ZFS_PROP_ACLTYPE, &zval)) != 0) + goto out; + zsb->z_acl_type = (uint_t)zval; + + /* + * Fold case on file systems that are always or sometimes case + * insensitive. + */ + if (zsb->z_case == ZFS_CASE_INSENSITIVE || + zsb->z_case == ZFS_CASE_MIXED) + zsb->z_norm |= U8_TEXTPREP_TOUPPER; + + zsb->z_use_fuids = USE_FUIDS(zsb->z_version, zsb->z_os); + zsb->z_use_sa = USE_SA(zsb->z_version, zsb->z_os); + + if (zsb->z_use_sa) { + /* should either have both of these objects or none */ + error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 8, 1, + &sa_obj); + if (error) + goto out; + + error = zfs_get_zplprop(os, ZFS_PROP_XATTR, &zval); + if ((error == 0) && (zval == ZFS_XATTR_SA)) + zsb->z_xattr_sa = B_TRUE; + } else { + /* + * Pre SA versions file systems should never touch + * either the attribute registration or layout objects. + */ + sa_obj = 0; + } + + error = sa_setup(os, sa_obj, zfs_attr_table, ZPL_END, + &zsb->z_attr_table); + if (error) + goto out; + + if (zsb->z_version >= ZPL_VERSION_SA) + sa_register_update_callback(os, zfs_sa_upgrade); + + error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_ROOT_OBJ, 8, 1, + &zsb->z_root); + if (error) + goto out; + ASSERT(zsb->z_root != 0); + + error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_UNLINKED_SET, 8, 1, + &zsb->z_unlinkedobj); + if (error) + goto out; + + error = zap_lookup(os, MASTER_NODE_OBJ, + zfs_userquota_prop_prefixes[ZFS_PROP_USERQUOTA], + 8, 1, &zsb->z_userquota_obj); + if (error && error != ENOENT) + goto out; + + error = zap_lookup(os, MASTER_NODE_OBJ, + zfs_userquota_prop_prefixes[ZFS_PROP_GROUPQUOTA], + 8, 1, &zsb->z_groupquota_obj); + if (error && error != ENOENT) + goto out; + + error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 8, 1, + &zsb->z_fuid_obj); + if (error && error != ENOENT) + goto out; + + error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_SHARES_DIR, 8, 1, + &zsb->z_shares_dir); + if (error && error != ENOENT) + goto out; + + mutex_init(&zsb->z_znodes_lock, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&zsb->z_lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&zsb->z_all_znodes, sizeof (znode_t), + offsetof(znode_t, z_link_node)); + rrm_init(&zsb->z_teardown_lock, B_FALSE); + rw_init(&zsb->z_teardown_inactive_lock, NULL, RW_DEFAULT, NULL); + rw_init(&zsb->z_fuid_lock, NULL, RW_DEFAULT, NULL); + + size = MIN(1 << (highbit64(zfs_object_mutex_size)-1), ZFS_OBJ_MTX_MAX); + zsb->z_hold_size = size; + zsb->z_hold_trees = vmem_zalloc(sizeof (avl_tree_t) * size, KM_SLEEP); + zsb->z_hold_locks = vmem_zalloc(sizeof (kmutex_t) * size, KM_SLEEP); + for (i = 0; i != size; i++) { + avl_create(&zsb->z_hold_trees[i], zfs_znode_hold_compare, + sizeof (znode_hold_t), offsetof(znode_hold_t, zh_node)); + mutex_init(&zsb->z_hold_locks[i], NULL, MUTEX_DEFAULT, NULL); + } + + *zsbp = zsb; + return (0); + +out: + dmu_objset_disown(os, zsb); +out_zmo: + *zsbp = NULL; + zfs_mntopts_free(zsb->z_mntopts); + kmem_free(zsb, sizeof (zfs_sb_t)); + return (error); +} +EXPORT_SYMBOL(zfs_sb_create); + +int +zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting) +{ + int error; + + error = zfs_register_callbacks(zsb); + if (error) + return (error); + + /* + * Set the objset user_ptr to track its zsb. + */ + mutex_enter(&zsb->z_os->os_user_ptr_lock); + dmu_objset_set_user(zsb->z_os, zsb); + mutex_exit(&zsb->z_os->os_user_ptr_lock); + + zsb->z_log = zil_open(zsb->z_os, zfs_get_data); + + /* + * If we are not mounting (ie: online recv), then we don't + * have to worry about replaying the log as we blocked all + * operations out since we closed the ZIL. + */ + if (mounting) { + boolean_t readonly; + + /* + * During replay we remove the read only flag to + * allow replays to succeed. + */ + readonly = zfs_is_readonly(zsb); + if (readonly != 0) + readonly_changed_cb(zsb, B_FALSE); + else + zfs_unlinked_drain(zsb); + + /* + * Parse and replay the intent log. + * + * Because of ziltest, this must be done after + * zfs_unlinked_drain(). (Further note: ziltest + * doesn't use readonly mounts, where + * zfs_unlinked_drain() isn't called.) This is because + * ziltest causes spa_sync() to think it's committed, + * but actually it is not, so the intent log contains + * many txg's worth of changes. + * + * In particular, if object N is in the unlinked set in + * the last txg to actually sync, then it could be + * actually freed in a later txg and then reallocated + * in a yet later txg. This would write a "create + * object N" record to the intent log. Normally, this + * would be fine because the spa_sync() would have + * written out the fact that object N is free, before + * we could write the "create object N" intent log + * record. + * + * But when we are in ziltest mode, we advance the "open + * txg" without actually spa_sync()-ing the changes to + * disk. So we would see that object N is still + * allocated and in the unlinked set, and there is an + * intent log record saying to allocate it. + */ + if (spa_writeable(dmu_objset_spa(zsb->z_os))) { + if (zil_replay_disable) { + zil_destroy(zsb->z_log, B_FALSE); + } else { + zsb->z_replay = B_TRUE; + zil_replay(zsb->z_os, zsb, + zfs_replay_vector); + zsb->z_replay = B_FALSE; + } + } + + /* restore readonly bit */ + if (readonly != 0) + readonly_changed_cb(zsb, B_TRUE); + } + + return (0); +} +EXPORT_SYMBOL(zfs_sb_setup); + +void +zfs_sb_free(zfs_sb_t *zsb) +{ + int i, size = zsb->z_hold_size; + + zfs_fuid_destroy(zsb); + + mutex_destroy(&zsb->z_znodes_lock); + mutex_destroy(&zsb->z_lock); + list_destroy(&zsb->z_all_znodes); + rrm_destroy(&zsb->z_teardown_lock); + rw_destroy(&zsb->z_teardown_inactive_lock); + rw_destroy(&zsb->z_fuid_lock); + for (i = 0; i != size; i++) { + avl_destroy(&zsb->z_hold_trees[i]); + mutex_destroy(&zsb->z_hold_locks[i]); + } + vmem_free(zsb->z_hold_trees, sizeof (avl_tree_t) * size); + vmem_free(zsb->z_hold_locks, sizeof (kmutex_t) * size); + zfs_mntopts_free(zsb->z_mntopts); + kmem_free(zsb, sizeof (zfs_sb_t)); +} +EXPORT_SYMBOL(zfs_sb_free); + +static void +zfs_set_fuid_feature(zfs_sb_t *zsb) +{ + zsb->z_use_fuids = USE_FUIDS(zsb->z_version, zsb->z_os); + zsb->z_use_sa = USE_SA(zsb->z_version, zsb->z_os); +} + +void +zfs_unregister_callbacks(zfs_sb_t *zsb) +{ + objset_t *os = zsb->z_os; + struct dsl_dataset *ds; + + /* + * Unregister properties. + */ + if (!dmu_objset_is_snapshot(os)) { + ds = dmu_objset_ds(os); + VERIFY(dsl_prop_unregister(ds, "atime", atime_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "relatime", relatime_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "xattr", xattr_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "recordsize", blksz_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "readonly", readonly_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "devices", devices_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "setuid", setuid_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "exec", exec_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "acltype", acltype_changed_cb, + zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "aclinherit", + acl_inherit_changed_cb, zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "vscan", + vscan_changed_cb, zsb) == 0); + + VERIFY(dsl_prop_unregister(ds, "nbmand", + nbmand_changed_cb, zsb) == 0); + } +} +EXPORT_SYMBOL(zfs_unregister_callbacks); + +#ifdef HAVE_MLSLABEL +/* + * Check that the hex label string is appropriate for the dataset being + * mounted into the global_zone proper. + * + * Return an error if the hex label string is not default or + * admin_low/admin_high. For admin_low labels, the corresponding + * dataset must be readonly. + */ +int +zfs_check_global_label(const char *dsname, const char *hexsl) +{ + if (strcasecmp(hexsl, ZFS_MLSLABEL_DEFAULT) == 0) + return (0); + if (strcasecmp(hexsl, ADMIN_HIGH) == 0) + return (0); + if (strcasecmp(hexsl, ADMIN_LOW) == 0) { + /* must be readonly */ + uint64_t rdonly; + + if (dsl_prop_get_integer(dsname, + zfs_prop_to_name(ZFS_PROP_READONLY), &rdonly, NULL)) + return (SET_ERROR(EACCES)); + return (rdonly ? 0 : EACCES); + } + return (SET_ERROR(EACCES)); +} +EXPORT_SYMBOL(zfs_check_global_label); +#endif /* HAVE_MLSLABEL */ + +int +zfs_statvfs(struct dentry *dentry, struct kstatfs *statp) +{ + zfs_sb_t *zsb = dentry->d_sb->s_fs_info; + uint64_t refdbytes, availbytes, usedobjs, availobjs; + uint64_t fsid; + uint32_t bshift; + + ZFS_ENTER(zsb); + + dmu_objset_space(zsb->z_os, + &refdbytes, &availbytes, &usedobjs, &availobjs); + + fsid = dmu_objset_fsid_guid(zsb->z_os); + /* + * The underlying storage pool actually uses multiple block + * size. Under Solaris frsize (fragment size) is reported as + * the smallest block size we support, and bsize (block size) + * as the filesystem's maximum block size. Unfortunately, + * under Linux the fragment size and block size are often used + * interchangeably. Thus we are forced to report both of them + * as the filesystem's maximum block size. + */ + statp->f_frsize = zsb->z_max_blksz; + statp->f_bsize = zsb->z_max_blksz; + bshift = fls(statp->f_bsize) - 1; + + /* + * The following report "total" blocks of various kinds in + * the file system, but reported in terms of f_bsize - the + * "preferred" size. + */ + + statp->f_blocks = (refdbytes + availbytes) >> bshift; + statp->f_bfree = availbytes >> bshift; + statp->f_bavail = statp->f_bfree; /* no root reservation */ + + /* + * statvfs() should really be called statufs(), because it assumes + * static metadata. ZFS doesn't preallocate files, so the best + * we can do is report the max that could possibly fit in f_files, + * and that minus the number actually used in f_ffree. + * For f_ffree, report the smaller of the number of object available + * and the number of blocks (each object will take at least a block). + */ + statp->f_ffree = MIN(availobjs, availbytes >> DNODE_SHIFT); + statp->f_files = statp->f_ffree + usedobjs; + statp->f_fsid.val[0] = (uint32_t)fsid; + statp->f_fsid.val[1] = (uint32_t)(fsid >> 32); + statp->f_type = ZFS_SUPER_MAGIC; + statp->f_namelen = ZFS_MAXNAMELEN; + + /* + * We have all of 40 characters to stuff a string here. + * Is there anything useful we could/should provide? + */ + bzero(statp->f_spare, sizeof (statp->f_spare)); + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_statvfs); + +int +zfs_root(zfs_sb_t *zsb, struct inode **ipp) +{ + znode_t *rootzp; + int error; + + ZFS_ENTER(zsb); + + error = zfs_zget(zsb, zsb->z_root, &rootzp); + if (error == 0) + *ipp = ZTOI(rootzp); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_root); + +#ifdef HAVE_D_PRUNE_ALIASES +/* + * Linux kernels older than 3.1 do not support a per-filesystem shrinker. + * To accommodate this we must improvise and manually walk the list of znodes + * attempting to prune dentries in order to be able to drop the inodes. + * + * To avoid scanning the same znodes multiple times they are always rotated + * to the end of the z_all_znodes list. New znodes are inserted at the + * end of the list so we're always scanning the oldest znodes first. + */ +static int +zfs_sb_prune_aliases(zfs_sb_t *zsb, unsigned long nr_to_scan) +{ + znode_t **zp_array, *zp; + int max_array = MIN(nr_to_scan, PAGE_SIZE * 8 / sizeof (znode_t *)); + int objects = 0; + int i = 0, j = 0; + + zp_array = kmem_zalloc(max_array * sizeof (znode_t *), KM_SLEEP); + + mutex_enter(&zsb->z_znodes_lock); + while ((zp = list_head(&zsb->z_all_znodes)) != NULL) { + + if ((i++ > nr_to_scan) || (j >= max_array)) + break; + + ASSERT(list_link_active(&zp->z_link_node)); + list_remove(&zsb->z_all_znodes, zp); + list_insert_tail(&zsb->z_all_znodes, zp); + + /* Skip active znodes and .zfs entries */ + if (MUTEX_HELD(&zp->z_lock) || zp->z_is_ctldir) + continue; + + if (igrab(ZTOI(zp)) == NULL) + continue; + + zp_array[j] = zp; + j++; + } + mutex_exit(&zsb->z_znodes_lock); + + for (i = 0; i < j; i++) { + zp = zp_array[i]; + + ASSERT3P(zp, !=, NULL); + d_prune_aliases(ZTOI(zp)); + + if (atomic_read(&ZTOI(zp)->i_count) == 1) + objects++; + + iput(ZTOI(zp)); + } + + kmem_free(zp_array, max_array * sizeof (znode_t *)); + + return (objects); +} +#endif /* HAVE_D_PRUNE_ALIASES */ + +/* + * The ARC has requested that the filesystem drop entries from the dentry + * and inode caches. This can occur when the ARC needs to free meta data + * blocks but can't because they are all pinned by entries in these caches. + */ +int +zfs_sb_prune(struct super_block *sb, unsigned long nr_to_scan, int *objects) +{ + zfs_sb_t *zsb = sb->s_fs_info; + int error = 0; +#if defined(HAVE_SHRINK) || defined(HAVE_SPLIT_SHRINKER_CALLBACK) + struct shrinker *shrinker = &sb->s_shrink; + struct shrink_control sc = { + .nr_to_scan = nr_to_scan, + .gfp_mask = GFP_KERNEL, + }; +#endif + + ZFS_ENTER(zsb); + +#if defined(HAVE_SPLIT_SHRINKER_CALLBACK) && \ + defined(SHRINK_CONTROL_HAS_NID) && \ + defined(SHRINKER_NUMA_AWARE) + if (sb->s_shrink.flags & SHRINKER_NUMA_AWARE) { + *objects = 0; + for_each_online_node(sc.nid) + *objects += (*shrinker->scan_objects)(shrinker, &sc); + } else { + *objects = (*shrinker->scan_objects)(shrinker, &sc); + } + +#elif defined(HAVE_SPLIT_SHRINKER_CALLBACK) + *objects = (*shrinker->scan_objects)(shrinker, &sc); +#elif defined(HAVE_SHRINK) + *objects = (*shrinker->shrink)(shrinker, &sc); +#elif defined(HAVE_D_PRUNE_ALIASES) +#define D_PRUNE_ALIASES_IS_DEFAULT + *objects = zfs_sb_prune_aliases(zsb, nr_to_scan); +#else +#error "No available dentry and inode cache pruning mechanism." +#endif + +#if defined(HAVE_D_PRUNE_ALIASES) && !defined(D_PRUNE_ALIASES_IS_DEFAULT) +#undef D_PRUNE_ALIASES_IS_DEFAULT + /* + * Fall back to zfs_sb_prune_aliases if the kernel's per-superblock + * shrinker couldn't free anything, possibly due to the inodes being + * allocated in a different memcg. + */ + if (*objects == 0) + *objects = zfs_sb_prune_aliases(zsb, nr_to_scan); +#endif + + ZFS_EXIT(zsb); + + dprintf_ds(zsb->z_os->os_dsl_dataset, + "pruning, nr_to_scan=%lu objects=%d error=%d\n", + nr_to_scan, *objects, error); + + return (error); +} +EXPORT_SYMBOL(zfs_sb_prune); + +/* + * Teardown the zfs_sb_t. + * + * Note, if 'unmounting' if FALSE, we return with the 'z_teardown_lock' + * and 'z_teardown_inactive_lock' held. + */ +int +zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting) +{ + znode_t *zp; + + /* + * If someone has not already unmounted this file system, + * drain the iput_taskq to ensure all active references to the + * zfs_sb_t have been handled only then can it be safely destroyed. + */ + if (zsb->z_os) { + /* + * If we're unmounting we have to wait for the list to + * drain completely. + * + * If we're not unmounting there's no guarantee the list + * will drain completely, but iputs run from the taskq + * may add the parents of dir-based xattrs to the taskq + * so we want to wait for these. + * + * We can safely read z_nr_znodes without locking because the + * VFS has already blocked operations which add to the + * z_all_znodes list and thus increment z_nr_znodes. + */ + int round = 0; + while (zsb->z_nr_znodes > 0) { + taskq_wait_outstanding(dsl_pool_iput_taskq( + dmu_objset_pool(zsb->z_os)), 0); + if (++round > 1 && !unmounting) + break; + } + } + + rrm_enter(&zsb->z_teardown_lock, RW_WRITER, FTAG); + + if (!unmounting) { + /* + * We purge the parent filesystem's super block as the + * parent filesystem and all of its snapshots have their + * inode's super block set to the parent's filesystem's + * super block. Note, 'z_parent' is self referential + * for non-snapshots. + */ + shrink_dcache_sb(zsb->z_parent->z_sb); + } + + /* + * Close the zil. NB: Can't close the zil while zfs_inactive + * threads are blocked as zil_close can call zfs_inactive. + */ + if (zsb->z_log) { + zil_close(zsb->z_log); + zsb->z_log = NULL; + } + + rw_enter(&zsb->z_teardown_inactive_lock, RW_WRITER); + + /* + * If we are not unmounting (ie: online recv) and someone already + * unmounted this file system while we were doing the switcheroo, + * or a reopen of z_os failed then just bail out now. + */ + if (!unmounting && (zsb->z_unmounted || zsb->z_os == NULL)) { + rw_exit(&zsb->z_teardown_inactive_lock); + rrm_exit(&zsb->z_teardown_lock, FTAG); + return (SET_ERROR(EIO)); + } + + /* + * At this point there are no VFS ops active, and any new VFS ops + * will fail with EIO since we have z_teardown_lock for writer (only + * relevant for forced unmount). + * + * Release all holds on dbufs. + */ + if (!unmounting) { + mutex_enter(&zsb->z_znodes_lock); + for (zp = list_head(&zsb->z_all_znodes); zp != NULL; + zp = list_next(&zsb->z_all_znodes, zp)) { + if (zp->z_sa_hdl) + zfs_znode_dmu_fini(zp); + } + mutex_exit(&zsb->z_znodes_lock); + } + + /* + * If we are unmounting, set the unmounted flag and let new VFS ops + * unblock. zfs_inactive will have the unmounted behavior, and all + * other VFS ops will fail with EIO. + */ + if (unmounting) { + zsb->z_unmounted = B_TRUE; + rrm_exit(&zsb->z_teardown_lock, FTAG); + rw_exit(&zsb->z_teardown_inactive_lock); + } + + /* + * z_os will be NULL if there was an error in attempting to reopen + * zsb, so just return as the properties had already been + * + * unregistered and cached data had been evicted before. + */ + if (zsb->z_os == NULL) + return (0); + + /* + * Unregister properties. + */ + zfs_unregister_callbacks(zsb); + + /* + * Evict cached data + */ + if (dsl_dataset_is_dirty(dmu_objset_ds(zsb->z_os)) && + !zfs_is_readonly(zsb)) + txg_wait_synced(dmu_objset_pool(zsb->z_os), 0); + dmu_objset_evict_dbufs(zsb->z_os); + + return (0); +} +EXPORT_SYMBOL(zfs_sb_teardown); + +#if !defined(HAVE_2ARGS_BDI_SETUP_AND_REGISTER) && \ + !defined(HAVE_3ARGS_BDI_SETUP_AND_REGISTER) +atomic_long_t zfs_bdi_seq = ATOMIC_LONG_INIT(0); +#endif + +int +zfs_domount(struct super_block *sb, zfs_mntopts_t *zmo, int silent) +{ + const char *osname = zmo->z_osname; + zfs_sb_t *zsb; + struct inode *root_inode; + uint64_t recordsize; + int error; + + error = zfs_sb_create(osname, zmo, &zsb); + if (error) + return (error); + + if ((error = dsl_prop_get_integer(osname, "recordsize", + &recordsize, NULL))) + goto out; + + zsb->z_sb = sb; + sb->s_fs_info = zsb; + sb->s_magic = ZFS_SUPER_MAGIC; + sb->s_maxbytes = MAX_LFS_FILESIZE; + sb->s_time_gran = 1; + sb->s_blocksize = recordsize; + sb->s_blocksize_bits = ilog2(recordsize); + zsb->z_bdi.ra_pages = 0; + sb->s_bdi = &zsb->z_bdi; + + error = -zpl_bdi_setup_and_register(&zsb->z_bdi, "zfs"); + if (error) + goto out; + + /* Set callback operations for the file system. */ + sb->s_op = &zpl_super_operations; + sb->s_xattr = zpl_xattr_handlers; + sb->s_export_op = &zpl_export_operations; +#ifdef HAVE_S_D_OP + sb->s_d_op = &zpl_dentry_operations; +#endif /* HAVE_S_D_OP */ + + /* Set features for file system. */ + zfs_set_fuid_feature(zsb); + + if (dmu_objset_is_snapshot(zsb->z_os)) { + uint64_t pval; + + atime_changed_cb(zsb, B_FALSE); + readonly_changed_cb(zsb, B_TRUE); + if ((error = dsl_prop_get_integer(osname, + "xattr", &pval, NULL))) + goto out; + xattr_changed_cb(zsb, pval); + if ((error = dsl_prop_get_integer(osname, + "acltype", &pval, NULL))) + goto out; + acltype_changed_cb(zsb, pval); + zsb->z_issnap = B_TRUE; + zsb->z_os->os_sync = ZFS_SYNC_DISABLED; + zsb->z_snap_defer_time = jiffies; + + mutex_enter(&zsb->z_os->os_user_ptr_lock); + dmu_objset_set_user(zsb->z_os, zsb); + mutex_exit(&zsb->z_os->os_user_ptr_lock); + } else { + error = zfs_sb_setup(zsb, B_TRUE); + } + + /* Allocate a root inode for the filesystem. */ + error = zfs_root(zsb, &root_inode); + if (error) { + (void) zfs_umount(sb); + goto out; + } + + /* Allocate a root dentry for the filesystem */ + sb->s_root = d_make_root(root_inode); + if (sb->s_root == NULL) { + (void) zfs_umount(sb); + error = SET_ERROR(ENOMEM); + goto out; + } + + if (!zsb->z_issnap) + zfsctl_create(zsb); + + zsb->z_arc_prune = arc_add_prune_callback(zpl_prune_sb, sb); +out: + if (error) { + dmu_objset_disown(zsb->z_os, zsb); + zfs_sb_free(zsb); + } + + return (error); +} +EXPORT_SYMBOL(zfs_domount); + +/* + * Called when an unmount is requested and certain sanity checks have + * already passed. At this point no dentries or inodes have been reclaimed + * from their respective caches. We drop the extra reference on the .zfs + * control directory to allow everything to be reclaimed. All snapshots + * must already have been unmounted to reach this point. + */ +void +zfs_preumount(struct super_block *sb) +{ + zfs_sb_t *zsb = sb->s_fs_info; + + if (zsb) + zfsctl_destroy(sb->s_fs_info); +} +EXPORT_SYMBOL(zfs_preumount); + +/* + * Called once all other unmount released tear down has occurred. + * It is our responsibility to release any remaining infrastructure. + */ +/*ARGSUSED*/ +int +zfs_umount(struct super_block *sb) +{ + zfs_sb_t *zsb = sb->s_fs_info; + objset_t *os; + + arc_remove_prune_callback(zsb->z_arc_prune); + VERIFY(zfs_sb_teardown(zsb, B_TRUE) == 0); + os = zsb->z_os; + bdi_destroy(sb->s_bdi); + + /* + * z_os will be NULL if there was an error in + * attempting to reopen zsb. + */ + if (os != NULL) { + /* + * Unset the objset user_ptr. + */ + mutex_enter(&os->os_user_ptr_lock); + dmu_objset_set_user(os, NULL); + mutex_exit(&os->os_user_ptr_lock); + + /* + * Finally release the objset + */ + dmu_objset_disown(os, zsb); + } + + zfs_sb_free(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_umount); + +int +zfs_remount(struct super_block *sb, int *flags, zfs_mntopts_t *zmo) +{ + zfs_sb_t *zsb = sb->s_fs_info; + int error; + + zfs_unregister_callbacks(zsb); + error = zfs_register_callbacks(zsb); + + return (error); +} +EXPORT_SYMBOL(zfs_remount); + +int +zfs_vget(struct super_block *sb, struct inode **ipp, fid_t *fidp) +{ + zfs_sb_t *zsb = sb->s_fs_info; + znode_t *zp; + uint64_t object = 0; + uint64_t fid_gen = 0; + uint64_t gen_mask; + uint64_t zp_gen; + int i, err; + + *ipp = NULL; + + ZFS_ENTER(zsb); + + if (fidp->fid_len == LONG_FID_LEN) { + zfid_long_t *zlfid = (zfid_long_t *)fidp; + uint64_t objsetid = 0; + uint64_t setgen = 0; + + for (i = 0; i < sizeof (zlfid->zf_setid); i++) + objsetid |= ((uint64_t)zlfid->zf_setid[i]) << (8 * i); + + for (i = 0; i < sizeof (zlfid->zf_setgen); i++) + setgen |= ((uint64_t)zlfid->zf_setgen[i]) << (8 * i); + + ZFS_EXIT(zsb); + + err = zfsctl_lookup_objset(sb, objsetid, &zsb); + if (err) + return (SET_ERROR(EINVAL)); + + ZFS_ENTER(zsb); + } + + if (fidp->fid_len == SHORT_FID_LEN || fidp->fid_len == LONG_FID_LEN) { + zfid_short_t *zfid = (zfid_short_t *)fidp; + + for (i = 0; i < sizeof (zfid->zf_object); i++) + object |= ((uint64_t)zfid->zf_object[i]) << (8 * i); + + for (i = 0; i < sizeof (zfid->zf_gen); i++) + fid_gen |= ((uint64_t)zfid->zf_gen[i]) << (8 * i); + } else { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + /* A zero fid_gen means we are in the .zfs control directories */ + if (fid_gen == 0 && + (object == ZFSCTL_INO_ROOT || object == ZFSCTL_INO_SNAPDIR)) { + *ipp = zsb->z_ctldir; + ASSERT(*ipp != NULL); + if (object == ZFSCTL_INO_SNAPDIR) { + VERIFY(zfsctl_root_lookup(*ipp, "snapshot", ipp, + 0, kcred, NULL, NULL) == 0); + } else { + igrab(*ipp); + } + ZFS_EXIT(zsb); + return (0); + } + + gen_mask = -1ULL >> (64 - 8 * i); + + dprintf("getting %llu [%llu mask %llx]\n", object, fid_gen, gen_mask); + if ((err = zfs_zget(zsb, object, &zp))) { + ZFS_EXIT(zsb); + return (err); + } + + /* Don't export xattr stuff */ + if (zp->z_pflags & ZFS_XATTR) { + iput(ZTOI(zp)); + ZFS_EXIT(zsb); + return (SET_ERROR(ENOENT)); + } + + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zsb), &zp_gen, + sizeof (uint64_t)); + zp_gen = zp_gen & gen_mask; + if (zp_gen == 0) + zp_gen = 1; + if ((fid_gen == 0) && (zsb->z_root == object)) + fid_gen = zp_gen; + if (zp->z_unlinked || zp_gen != fid_gen) { + dprintf("znode gen (%llu) != fid gen (%llu)\n", zp_gen, + fid_gen); + iput(ZTOI(zp)); + ZFS_EXIT(zsb); + return (SET_ERROR(ENOENT)); + } + + *ipp = ZTOI(zp); + if (*ipp) + zfs_inode_update(ITOZ(*ipp)); + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_vget); + +/* + * Block out VFS ops and close zfs_sb_t + * + * Note, if successful, then we return with the 'z_teardown_lock' and + * 'z_teardown_inactive_lock' write held. We leave ownership of the underlying + * dataset and objset intact so that they can be atomically handed off during + * a subsequent rollback or recv operation and the resume thereafter. + */ +int +zfs_suspend_fs(zfs_sb_t *zsb) +{ + int error; + + if ((error = zfs_sb_teardown(zsb, B_FALSE)) != 0) + return (error); + + return (0); +} +EXPORT_SYMBOL(zfs_suspend_fs); + +/* + * Reopen zfs_sb_t and release VFS ops. + */ +int +zfs_resume_fs(zfs_sb_t *zsb, const char *osname) +{ + int err, err2; + znode_t *zp; + uint64_t sa_obj = 0; + + ASSERT(RRM_WRITE_HELD(&zsb->z_teardown_lock)); + ASSERT(RW_WRITE_HELD(&zsb->z_teardown_inactive_lock)); + + /* + * We already own this, so just hold and rele it to update the + * objset_t, as the one we had before may have been evicted. + */ + VERIFY0(dmu_objset_hold(osname, zsb, &zsb->z_os)); + VERIFY3P(zsb->z_os->os_dsl_dataset->ds_owner, ==, zsb); + VERIFY(dsl_dataset_long_held(zsb->z_os->os_dsl_dataset)); + dmu_objset_rele(zsb->z_os, zsb); + + /* + * Make sure version hasn't changed + */ + + err = zfs_get_zplprop(zsb->z_os, ZFS_PROP_VERSION, + &zsb->z_version); + + if (err) + goto bail; + + err = zap_lookup(zsb->z_os, MASTER_NODE_OBJ, + ZFS_SA_ATTRS, 8, 1, &sa_obj); + + if (err && zsb->z_version >= ZPL_VERSION_SA) + goto bail; + + if ((err = sa_setup(zsb->z_os, sa_obj, + zfs_attr_table, ZPL_END, &zsb->z_attr_table)) != 0) + goto bail; + + if (zsb->z_version >= ZPL_VERSION_SA) + sa_register_update_callback(zsb->z_os, + zfs_sa_upgrade); + + VERIFY(zfs_sb_setup(zsb, B_FALSE) == 0); + + zfs_set_fuid_feature(zsb); + zsb->z_rollback_time = jiffies; + + /* + * Attempt to re-establish all the active inodes with their + * dbufs. If a zfs_rezget() fails, then we unhash the inode + * and mark it stale. This prevents a collision if a new + * inode/object is created which must use the same inode + * number. The stale inode will be be released when the + * VFS prunes the dentry holding the remaining references + * on the stale inode. + */ + mutex_enter(&zsb->z_znodes_lock); + for (zp = list_head(&zsb->z_all_znodes); zp; + zp = list_next(&zsb->z_all_znodes, zp)) { + err2 = zfs_rezget(zp); + if (err2) { + remove_inode_hash(ZTOI(zp)); + zp->z_is_stale = B_TRUE; + } + } + mutex_exit(&zsb->z_znodes_lock); + +bail: + /* release the VFS ops */ + rw_exit(&zsb->z_teardown_inactive_lock); + rrm_exit(&zsb->z_teardown_lock, FTAG); + + if (err) { + /* + * Since we couldn't setup the sa framework, try to force + * unmount this file system. + */ + if (zsb->z_os) + (void) zfs_umount(zsb->z_sb); + } + return (err); +} +EXPORT_SYMBOL(zfs_resume_fs); + +int +zfs_set_version(zfs_sb_t *zsb, uint64_t newvers) +{ + int error; + objset_t *os = zsb->z_os; + dmu_tx_t *tx; + + if (newvers < ZPL_VERSION_INITIAL || newvers > ZPL_VERSION) + return (SET_ERROR(EINVAL)); + + if (newvers < zsb->z_version) + return (SET_ERROR(EINVAL)); + + if (zfs_spa_version_map(newvers) > + spa_version(dmu_objset_spa(zsb->z_os))) + return (SET_ERROR(ENOTSUP)); + + tx = dmu_tx_create(os); + dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_FALSE, ZPL_VERSION_STR); + if (newvers >= ZPL_VERSION_SA && !zsb->z_use_sa) { + dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_TRUE, + ZFS_SA_ATTRS); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); + } + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + return (error); + } + + error = zap_update(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, + 8, 1, &newvers, tx); + + if (error) { + dmu_tx_commit(tx); + return (error); + } + + if (newvers >= ZPL_VERSION_SA && !zsb->z_use_sa) { + uint64_t sa_obj; + + ASSERT3U(spa_version(dmu_objset_spa(zsb->z_os)), >=, + SPA_VERSION_SA); + sa_obj = zap_create(os, DMU_OT_SA_MASTER_NODE, + DMU_OT_NONE, 0, tx); + + error = zap_add(os, MASTER_NODE_OBJ, + ZFS_SA_ATTRS, 8, 1, &sa_obj, tx); + ASSERT0(error); + + VERIFY(0 == sa_set_sa_object(os, sa_obj)); + sa_register_update_callback(os, zfs_sa_upgrade); + } + + spa_history_log_internal_ds(dmu_objset_ds(os), "upgrade", tx, + "from %llu to %llu", zsb->z_version, newvers); + + dmu_tx_commit(tx); + + zsb->z_version = newvers; + + zfs_set_fuid_feature(zsb); + + return (0); +} +EXPORT_SYMBOL(zfs_set_version); + +/* + * Read a property stored within the master node. + */ +int +zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value) +{ + const char *pname; + int error = SET_ERROR(ENOENT); + + /* + * Look up the file system's value for the property. For the + * version property, we look up a slightly different string. + */ + if (prop == ZFS_PROP_VERSION) + pname = ZPL_VERSION_STR; + else + pname = zfs_prop_to_name(prop); + + if (os != NULL) + error = zap_lookup(os, MASTER_NODE_OBJ, pname, 8, 1, value); + + if (error == ENOENT) { + /* No value set, use the default value */ + switch (prop) { + case ZFS_PROP_VERSION: + *value = ZPL_VERSION; + break; + case ZFS_PROP_NORMALIZE: + case ZFS_PROP_UTF8ONLY: + *value = 0; + break; + case ZFS_PROP_CASE: + *value = ZFS_CASE_SENSITIVE; + break; + case ZFS_PROP_ACLTYPE: + *value = ZFS_ACLTYPE_OFF; + break; + default: + return (error); + } + error = 0; + } + return (error); +} +EXPORT_SYMBOL(zfs_get_zplprop); + +void +zfs_init(void) +{ + zfsctl_init(); + zfs_znode_init(); + dmu_objset_register_type(DMU_OST_ZFS, zfs_space_delta_cb); + register_filesystem(&zpl_fs_type); +} + +void +zfs_fini(void) +{ + /* + * we don't use outstanding because zpl_posix_acl_free might add more. + */ + taskq_wait(system_taskq); + unregister_filesystem(&zpl_fs_type); + zfs_znode_fini(); + zfsctl_fini(); +} diff --git a/zfs/module/zfs/zfs_vnops.c b/zfs/module/zfs/zfs_vnops.c new file mode 100644 index 000000000000..384a37fea5c0 --- /dev/null +++ b/zfs/module/zfs/zfs_vnops.c @@ -0,0 +1,4681 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2015 by Chunwei Chen. All rights reserved. + */ + +/* Portions Copyright 2007 Jeremy Teo */ +/* Portions Copyright 2010 Robert Milkowski */ + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "fs/fs_subr.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Programming rules. + * + * Each vnode op performs some logical unit of work. To do this, the ZPL must + * properly lock its in-core state, create a DMU transaction, do the work, + * record this work in the intent log (ZIL), commit the DMU transaction, + * and wait for the intent log to commit if it is a synchronous operation. + * Moreover, the vnode ops must work in both normal and log replay context. + * The ordering of events is important to avoid deadlocks and references + * to freed memory. The example below illustrates the following Big Rules: + * + * (1) A check must be made in each zfs thread for a mounted file system. + * This is done avoiding races using ZFS_ENTER(zsb). + * A ZFS_EXIT(zsb) is needed before all returns. Any znodes + * must be checked with ZFS_VERIFY_ZP(zp). Both of these macros + * can return EIO from the calling function. + * + * (2) iput() should always be the last thing except for zil_commit() + * (if necessary) and ZFS_EXIT(). This is for 3 reasons: + * First, if it's the last reference, the vnode/znode + * can be freed, so the zp may point to freed memory. Second, the last + * reference will call zfs_zinactive(), which may induce a lot of work -- + * pushing cached pages (which acquires range locks) and syncing out + * cached atime changes. Third, zfs_zinactive() may require a new tx, + * which could deadlock the system if you were already holding one. + * If you must call iput() within a tx then use zfs_iput_async(). + * + * (3) All range locks must be grabbed before calling dmu_tx_assign(), + * as they can span dmu_tx_assign() calls. + * + * (4) If ZPL locks are held, pass TXG_NOWAIT as the second argument to + * dmu_tx_assign(). This is critical because we don't want to block + * while holding locks. + * + * If no ZPL locks are held (aside from ZFS_ENTER()), use TXG_WAIT. This + * reduces lock contention and CPU usage when we must wait (note that if + * throughput is constrained by the storage, nearly every transaction + * must wait). + * + * Note, in particular, that if a lock is sometimes acquired before + * the tx assigns, and sometimes after (e.g. z_lock), then failing + * to use a non-blocking assign can deadlock the system. The scenario: + * + * Thread A has grabbed a lock before calling dmu_tx_assign(). + * Thread B is in an already-assigned tx, and blocks for this lock. + * Thread A calls dmu_tx_assign(TXG_WAIT) and blocks in txg_wait_open() + * forever, because the previous txg can't quiesce until B's tx commits. + * + * If dmu_tx_assign() returns ERESTART and zsb->z_assign is TXG_NOWAIT, + * then drop all locks, call dmu_tx_wait(), and try again. On subsequent + * calls to dmu_tx_assign(), pass TXG_WAITED rather than TXG_NOWAIT, + * to indicate that this operation has already called dmu_tx_wait(). + * This will ensure that we don't retry forever, waiting a short bit + * each time. + * + * (5) If the operation succeeded, generate the intent log entry for it + * before dropping locks. This ensures that the ordering of events + * in the intent log matches the order in which they actually occurred. + * During ZIL replay the zfs_log_* functions will update the sequence + * number to indicate the zil transaction has replayed. + * + * (6) At the end of each vnode op, the DMU tx must always commit, + * regardless of whether there were any errors. + * + * (7) After dropping all locks, invoke zil_commit(zilog, foid) + * to ensure that synchronous semantics are provided when necessary. + * + * In general, this is how things should be ordered in each vnode op: + * + * ZFS_ENTER(zsb); // exit if unmounted + * top: + * zfs_dirent_lock(&dl, ...) // lock directory entry (may igrab()) + * rw_enter(...); // grab any other locks you need + * tx = dmu_tx_create(...); // get DMU tx + * dmu_tx_hold_*(); // hold each object you might modify + * error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + * if (error) { + * rw_exit(...); // drop locks + * zfs_dirent_unlock(dl); // unlock directory entry + * iput(...); // release held vnodes + * if (error == ERESTART) { + * waited = B_TRUE; + * dmu_tx_wait(tx); + * dmu_tx_abort(tx); + * goto top; + * } + * dmu_tx_abort(tx); // abort DMU tx + * ZFS_EXIT(zsb); // finished in zfs + * return (error); // really out of space + * } + * error = do_real_work(); // do whatever this VOP does + * if (error == 0) + * zfs_log_*(...); // on success, make ZIL entry + * dmu_tx_commit(tx); // commit DMU tx -- error or not + * rw_exit(...); // drop locks + * zfs_dirent_unlock(dl); // unlock directory entry + * iput(...); // release held vnodes + * zil_commit(zilog, foid); // synchronous when necessary + * ZFS_EXIT(zsb); // finished in zfs + * return (error); // done, report error + */ + +/* + * Virus scanning is unsupported. It would be possible to add a hook + * here to performance the required virus scan. This could be done + * entirely in the kernel or potentially as an update to invoke a + * scanning utility. + */ +static int +zfs_vscan(struct inode *ip, cred_t *cr, int async) +{ + return (0); +} + +/* ARGSUSED */ +int +zfs_open(struct inode *ip, int mode, int flag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + /* Honor ZFS_APPENDONLY file attribute */ + if ((mode & FMODE_WRITE) && (zp->z_pflags & ZFS_APPENDONLY) && + ((flag & O_APPEND) == 0)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EPERM)); + } + + /* Virus scan eligible files on open */ + if (!zfs_has_ctldir(zp) && zsb->z_vscan && S_ISREG(ip->i_mode) && + !(zp->z_pflags & ZFS_AV_QUARANTINED) && zp->z_size > 0) { + if (zfs_vscan(ip, cr, 0) != 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EACCES)); + } + } + + /* Keep a count of the synchronous opens in the znode */ + if (flag & O_SYNC) + atomic_inc_32(&zp->z_sync_cnt); + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_open); + +/* ARGSUSED */ +int +zfs_close(struct inode *ip, int flag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + /* Decrement the synchronous opens in the znode */ + if (flag & O_SYNC) + atomic_dec_32(&zp->z_sync_cnt); + + if (!zfs_has_ctldir(zp) && zsb->z_vscan && S_ISREG(ip->i_mode) && + !(zp->z_pflags & ZFS_AV_QUARANTINED) && zp->z_size > 0) + VERIFY(zfs_vscan(ip, cr, 1) == 0); + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_close); + +#if defined(SEEK_HOLE) && defined(SEEK_DATA) +/* + * Lseek support for finding holes (cmd == SEEK_HOLE) and + * data (cmd == SEEK_DATA). "off" is an in/out parameter. + */ +static int +zfs_holey_common(struct inode *ip, int cmd, loff_t *off) +{ + znode_t *zp = ITOZ(ip); + uint64_t noff = (uint64_t)*off; /* new offset */ + uint64_t file_sz; + int error; + boolean_t hole; + + file_sz = zp->z_size; + if (noff >= file_sz) { + return (SET_ERROR(ENXIO)); + } + + if (cmd == SEEK_HOLE) + hole = B_TRUE; + else + hole = B_FALSE; + + error = dmu_offset_next(ZTOZSB(zp)->z_os, zp->z_id, hole, &noff); + + if (error == ESRCH) + return (SET_ERROR(ENXIO)); + + /* + * We could find a hole that begins after the logical end-of-file, + * because dmu_offset_next() only works on whole blocks. If the + * EOF falls mid-block, then indicate that the "virtual hole" + * at the end of the file begins at the logical EOF, rather than + * at the end of the last block. + */ + if (noff > file_sz) { + ASSERT(hole); + noff = file_sz; + } + + if (noff < *off) + return (error); + *off = noff; + return (error); +} + +int +zfs_holey(struct inode *ip, int cmd, loff_t *off) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int error; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + error = zfs_holey_common(ip, cmd, off); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_holey); +#endif /* SEEK_HOLE && SEEK_DATA */ + +#if defined(_KERNEL) +/* + * When a file is memory mapped, we must keep the IO data synchronized + * between the DMU cache and the memory mapped pages. What this means: + * + * On Write: If we find a memory mapped page, we write to *both* + * the page and the dmu buffer. + */ +static void +update_pages(struct inode *ip, int64_t start, int len, + objset_t *os, uint64_t oid) +{ + struct address_space *mp = ip->i_mapping; + struct page *pp; + uint64_t nbytes; + int64_t off; + void *pb; + + off = start & (PAGE_SIZE-1); + for (start &= PAGE_MASK; len > 0; start += PAGE_SIZE) { + nbytes = MIN(PAGE_SIZE - off, len); + + pp = find_lock_page(mp, start >> PAGE_SHIFT); + if (pp) { + if (mapping_writably_mapped(mp)) + flush_dcache_page(pp); + + pb = kmap(pp); + (void) dmu_read(os, oid, start+off, nbytes, pb+off, + DMU_READ_PREFETCH); + kunmap(pp); + + if (mapping_writably_mapped(mp)) + flush_dcache_page(pp); + + mark_page_accessed(pp); + SetPageUptodate(pp); + ClearPageError(pp); + unlock_page(pp); + put_page(pp); + } + + len -= nbytes; + off = 0; + } +} + +/* + * When a file is memory mapped, we must keep the IO data synchronized + * between the DMU cache and the memory mapped pages. What this means: + * + * On Read: We "read" preferentially from memory mapped pages, + * else we default from the dmu buffer. + * + * NOTE: We will always "break up" the IO into PAGESIZE uiomoves when + * the file is memory mapped. + */ +static int +mappedread(struct inode *ip, int nbytes, uio_t *uio) +{ + struct address_space *mp = ip->i_mapping; + struct page *pp; + znode_t *zp = ITOZ(ip); + int64_t start, off; + uint64_t bytes; + int len = nbytes; + int error = 0; + void *pb; + + start = uio->uio_loffset; + off = start & (PAGE_SIZE-1); + for (start &= PAGE_MASK; len > 0; start += PAGE_SIZE) { + bytes = MIN(PAGE_SIZE - off, len); + + pp = find_lock_page(mp, start >> PAGE_SHIFT); + if (pp) { + ASSERT(PageUptodate(pp)); + + pb = kmap(pp); + error = uiomove(pb + off, bytes, UIO_READ, uio); + kunmap(pp); + + if (mapping_writably_mapped(mp)) + flush_dcache_page(pp); + + mark_page_accessed(pp); + unlock_page(pp); + put_page(pp); + } else { + error = dmu_read_uio_dbuf(sa_get_db(zp->z_sa_hdl), + uio, bytes); + } + + len -= bytes; + off = 0; + if (error) + break; + } + return (error); +} +#endif /* _KERNEL */ + +unsigned long zfs_read_chunk_size = 1024 * 1024; /* Tunable */ + +/* + * Read bytes from specified file into supplied buffer. + * + * IN: ip - inode of file to be read from. + * uio - structure supplying read location, range info, + * and return buffer. + * ioflag - FSYNC flags; used to provide FRSYNC semantics. + * O_DIRECT flag; used to bypass page cache. + * cr - credentials of caller. + * + * OUT: uio - updated offset and range, buffer filled. + * + * RETURN: 0 on success, error code on failure. + * + * Side Effects: + * inode - atime updated if byte count > 0 + */ +/* ARGSUSED */ +int +zfs_read(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + ssize_t n, nbytes; + int error = 0; + rl_t *rl; +#ifdef HAVE_UIO_ZEROCOPY + xuio_t *xuio = NULL; +#endif /* HAVE_UIO_ZEROCOPY */ + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + if (zp->z_pflags & ZFS_AV_QUARANTINED) { + ZFS_EXIT(zsb); + return (SET_ERROR(EACCES)); + } + + /* + * Validate file offset + */ + if (uio->uio_loffset < (offset_t)0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + /* + * Fasttrack empty reads + */ + if (uio->uio_resid == 0) { + ZFS_EXIT(zsb); + return (0); + } + + /* + * If we're in FRSYNC mode, sync out this znode before reading it. + */ + if (ioflag & FRSYNC || zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zsb->z_log, zp->z_id); + + /* + * Lock the range against changes. + */ + rl = zfs_range_lock(&zp->z_range_lock, uio->uio_loffset, uio->uio_resid, + RL_READER); + + /* + * If we are reading past end-of-file we can skip + * to the end; but we might still need to set atime. + */ + if (uio->uio_loffset >= zp->z_size) { + error = 0; + goto out; + } + + ASSERT(uio->uio_loffset < zp->z_size); + n = MIN(uio->uio_resid, zp->z_size - uio->uio_loffset); + +#ifdef HAVE_UIO_ZEROCOPY + if ((uio->uio_extflg == UIO_XUIO) && + (((xuio_t *)uio)->xu_type == UIOTYPE_ZEROCOPY)) { + int nblk; + int blksz = zp->z_blksz; + uint64_t offset = uio->uio_loffset; + + xuio = (xuio_t *)uio; + if ((ISP2(blksz))) { + nblk = (P2ROUNDUP(offset + n, blksz) - P2ALIGN(offset, + blksz)) / blksz; + } else { + ASSERT(offset + n <= blksz); + nblk = 1; + } + (void) dmu_xuio_init(xuio, nblk); + + if (vn_has_cached_data(ip)) { + /* + * For simplicity, we always allocate a full buffer + * even if we only expect to read a portion of a block. + */ + while (--nblk >= 0) { + (void) dmu_xuio_add(xuio, + dmu_request_arcbuf(sa_get_db(zp->z_sa_hdl), + blksz), 0, blksz); + } + } + } +#endif /* HAVE_UIO_ZEROCOPY */ + + while (n > 0) { + nbytes = MIN(n, zfs_read_chunk_size - + P2PHASE(uio->uio_loffset, zfs_read_chunk_size)); + + if (zp->z_is_mapped && !(ioflag & O_DIRECT)) { + error = mappedread(ip, nbytes, uio); + } else { + error = dmu_read_uio_dbuf(sa_get_db(zp->z_sa_hdl), + uio, nbytes); + } + + if (error) { + /* convert checksum errors into IO errors */ + if (error == ECKSUM) + error = SET_ERROR(EIO); + break; + } + + n -= nbytes; + } +out: + zfs_range_unlock(rl); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_read); + +/* + * Write the bytes to a file. + * + * IN: ip - inode of file to be written to. + * uio - structure supplying write location, range info, + * and data buffer. + * ioflag - FAPPEND flag set if in append mode. + * O_DIRECT flag; used to bypass page cache. + * cr - credentials of caller. + * + * OUT: uio - updated offset and range. + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * ip - ctime|mtime updated if byte count > 0 + */ + +/* ARGSUSED */ +int +zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + rlim64_t limit = uio->uio_limit; + ssize_t start_resid = uio->uio_resid; + ssize_t tx_bytes; + uint64_t end_size; + dmu_tx_t *tx; + zfs_sb_t *zsb = ZTOZSB(zp); + zilog_t *zilog; + offset_t woff; + ssize_t n, nbytes; + rl_t *rl; + int max_blksz = zsb->z_max_blksz; + int error = 0; + arc_buf_t *abuf; + const iovec_t *aiov = NULL; + xuio_t *xuio = NULL; + int i_iov = 0; + const iovec_t *iovp = uio->uio_iov; + int write_eof; + int count = 0; + sa_bulk_attr_t bulk[4]; + uint64_t mtime[2], ctime[2]; + ASSERTV(int iovcnt = uio->uio_iovcnt); + + /* + * Fasttrack empty write + */ + n = start_resid; + if (n == 0) + return (0); + + if (limit == RLIM64_INFINITY || limit > MAXOFFSET_T) + limit = MAXOFFSET_T; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), NULL, &mtime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, &ctime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zsb), NULL, &zp->z_size, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, + &zp->z_pflags, 8); + + /* + * If immutable or not appending then return EPERM + */ + if ((zp->z_pflags & (ZFS_IMMUTABLE | ZFS_READONLY)) || + ((zp->z_pflags & ZFS_APPENDONLY) && !(ioflag & FAPPEND) && + (uio->uio_loffset < zp->z_size))) { + ZFS_EXIT(zsb); + return (SET_ERROR(EPERM)); + } + + zilog = zsb->z_log; + + /* + * Validate file offset + */ + woff = ioflag & FAPPEND ? zp->z_size : uio->uio_loffset; + if (woff < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + /* + * Pre-fault the pages to ensure slow (eg NFS) pages + * don't hold up txg. + * Skip this if uio contains loaned arc_buf. + */ +#ifdef HAVE_UIO_ZEROCOPY + if ((uio->uio_extflg == UIO_XUIO) && + (((xuio_t *)uio)->xu_type == UIOTYPE_ZEROCOPY)) + xuio = (xuio_t *)uio; + else +#endif + uio_prefaultpages(MIN(n, max_blksz), uio); + + /* + * If in append mode, set the io offset pointer to eof. + */ + if (ioflag & FAPPEND) { + /* + * Obtain an appending range lock to guarantee file append + * semantics. We reset the write offset once we have the lock. + */ + rl = zfs_range_lock(&zp->z_range_lock, 0, n, RL_APPEND); + woff = rl->r_off; + if (rl->r_len == UINT64_MAX) { + /* + * We overlocked the file because this write will cause + * the file block size to increase. + * Note that zp_size cannot change with this lock held. + */ + woff = zp->z_size; + } + uio->uio_loffset = woff; + } else { + /* + * Note that if the file block size will change as a result of + * this write, then this range lock will lock the entire file + * so that we can re-write the block safely. + */ + rl = zfs_range_lock(&zp->z_range_lock, woff, n, RL_WRITER); + } + + if (woff >= limit) { + zfs_range_unlock(rl); + ZFS_EXIT(zsb); + return (SET_ERROR(EFBIG)); + } + + if ((woff + n) > limit || woff > (limit - n)) + n = limit - woff; + + /* Will this write extend the file length? */ + write_eof = (woff + n > zp->z_size); + + end_size = MAX(zp->z_size, woff + n); + + /* + * Write the file in reasonable size chunks. Each chunk is written + * in a separate transaction; this keeps the intent log records small + * and allows us to do more fine-grained space accounting. + */ + while (n > 0) { + abuf = NULL; + woff = uio->uio_loffset; + if (zfs_owner_overquota(zsb, zp, B_FALSE) || + zfs_owner_overquota(zsb, zp, B_TRUE)) { + if (abuf != NULL) + dmu_return_arcbuf(abuf); + error = SET_ERROR(EDQUOT); + break; + } + + if (xuio && abuf == NULL) { + ASSERT(i_iov < iovcnt); + ASSERT3U(uio->uio_segflg, !=, UIO_BVEC); + aiov = &iovp[i_iov]; + abuf = dmu_xuio_arcbuf(xuio, i_iov); + dmu_xuio_clear(xuio, i_iov); + ASSERT((aiov->iov_base == abuf->b_data) || + ((char *)aiov->iov_base - (char *)abuf->b_data + + aiov->iov_len == arc_buf_size(abuf))); + i_iov++; + } else if (abuf == NULL && n >= max_blksz && + woff >= zp->z_size && + P2PHASE(woff, max_blksz) == 0 && + zp->z_blksz == max_blksz) { + /* + * This write covers a full block. "Borrow" a buffer + * from the dmu so that we can fill it before we enter + * a transaction. This avoids the possibility of + * holding up the transaction if the data copy hangs + * up on a pagefault (e.g., from an NFS server mapping). + */ + size_t cbytes; + + abuf = dmu_request_arcbuf(sa_get_db(zp->z_sa_hdl), + max_blksz); + ASSERT(abuf != NULL); + ASSERT(arc_buf_size(abuf) == max_blksz); + if ((error = uiocopy(abuf->b_data, max_blksz, + UIO_WRITE, uio, &cbytes))) { + dmu_return_arcbuf(abuf); + break; + } + ASSERT(cbytes == max_blksz); + } + + /* + * Start a transaction. + */ + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + dmu_tx_hold_write(tx, zp->z_id, woff, MIN(n, max_blksz)); + zfs_sa_upgrade_txholds(tx, zp); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + if (abuf != NULL) + dmu_return_arcbuf(abuf); + break; + } + + /* + * If zfs_range_lock() over-locked we grow the blocksize + * and then reduce the lock range. This will only happen + * on the first iteration since zfs_range_reduce() will + * shrink down r_len to the appropriate size. + */ + if (rl->r_len == UINT64_MAX) { + uint64_t new_blksz; + + if (zp->z_blksz > max_blksz) { + /* + * File's blocksize is already larger than the + * "recordsize" property. Only let it grow to + * the next power of 2. + */ + ASSERT(!ISP2(zp->z_blksz)); + new_blksz = MIN(end_size, + 1 << highbit64(zp->z_blksz)); + } else { + new_blksz = MIN(end_size, max_blksz); + } + zfs_grow_blocksize(zp, new_blksz, tx); + zfs_range_reduce(rl, woff, n); + } + + /* + * XXX - should we really limit each write to z_max_blksz? + * Perhaps we should use SPA_MAXBLOCKSIZE chunks? + */ + nbytes = MIN(n, max_blksz - P2PHASE(woff, max_blksz)); + + if (abuf == NULL) { + tx_bytes = uio->uio_resid; + error = dmu_write_uio_dbuf(sa_get_db(zp->z_sa_hdl), + uio, nbytes, tx); + tx_bytes -= uio->uio_resid; + } else { + tx_bytes = nbytes; + ASSERT(xuio == NULL || tx_bytes == aiov->iov_len); + /* + * If this is not a full block write, but we are + * extending the file past EOF and this data starts + * block-aligned, use assign_arcbuf(). Otherwise, + * write via dmu_write(). + */ + if (tx_bytes < max_blksz && (!write_eof || + aiov->iov_base != abuf->b_data)) { + ASSERT(xuio); + dmu_write(zsb->z_os, zp->z_id, woff, + aiov->iov_len, aiov->iov_base, tx); + dmu_return_arcbuf(abuf); + xuio_stat_wbuf_copied(); + } else { + ASSERT(xuio || tx_bytes == max_blksz); + dmu_assign_arcbuf(sa_get_db(zp->z_sa_hdl), + woff, abuf, tx); + } + ASSERT(tx_bytes <= uio->uio_resid); + uioskip(uio, tx_bytes); + } + + if (tx_bytes && zp->z_is_mapped && !(ioflag & O_DIRECT)) + update_pages(ip, woff, tx_bytes, zsb->z_os, zp->z_id); + + /* + * If we made no progress, we're done. If we made even + * partial progress, update the znode and ZIL accordingly. + */ + if (tx_bytes == 0) { + (void) sa_update(zp->z_sa_hdl, SA_ZPL_SIZE(zsb), + (void *)&zp->z_size, sizeof (uint64_t), tx); + dmu_tx_commit(tx); + ASSERT(error != 0); + break; + } + + /* + * Clear Set-UID/Set-GID bits on successful write if not + * privileged and at least one of the excute bits is set. + * + * It would be nice to to this after all writes have + * been done, but that would still expose the ISUID/ISGID + * to another app after the partial write is committed. + * + * Note: we don't call zfs_fuid_map_id() here because + * user 0 is not an ephemeral uid. + */ + mutex_enter(&zp->z_acl_lock); + if ((zp->z_mode & (S_IXUSR | (S_IXUSR >> 3) | + (S_IXUSR >> 6))) != 0 && + (zp->z_mode & (S_ISUID | S_ISGID)) != 0 && + secpolicy_vnode_setid_retain(cr, + (zp->z_mode & S_ISUID) != 0 && zp->z_uid == 0) != 0) { + uint64_t newmode; + zp->z_mode &= ~(S_ISUID | S_ISGID); + newmode = zp->z_mode; + (void) sa_update(zp->z_sa_hdl, SA_ZPL_MODE(zsb), + (void *)&newmode, sizeof (uint64_t), tx); + } + mutex_exit(&zp->z_acl_lock); + + zfs_tstamp_update_setup(zp, CONTENT_MODIFIED, mtime, ctime); + + /* + * Update the file size (zp_size) if it has changed; + * account for possible concurrent updates. + */ + while ((end_size = zp->z_size) < uio->uio_loffset) { + (void) atomic_cas_64(&zp->z_size, end_size, + uio->uio_loffset); + ASSERT(error == 0); + } + /* + * If we are replaying and eof is non zero then force + * the file size to the specified eof. Note, there's no + * concurrency during replay. + */ + if (zsb->z_replay && zsb->z_replay_eof != 0) + zp->z_size = zsb->z_replay_eof; + + error = sa_bulk_update(zp->z_sa_hdl, bulk, count, tx); + + zfs_log_write(zilog, tx, TX_WRITE, zp, woff, tx_bytes, ioflag, + NULL, NULL); + dmu_tx_commit(tx); + + if (error != 0) + break; + ASSERT(tx_bytes == nbytes); + n -= nbytes; + + if (!xuio && n > 0) + uio_prefaultpages(MIN(n, max_blksz), uio); + } + + zfs_inode_update(zp); + zfs_range_unlock(rl); + + /* + * If we're in replay mode, or we made no progress, return error. + * Otherwise, it's at least a partial write, so it's successful. + */ + if (zsb->z_replay || uio->uio_resid == start_resid) { + ZFS_EXIT(zsb); + return (error); + } + + if (ioflag & (FSYNC | FDSYNC) || + zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, zp->z_id); + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_write); + +void +zfs_iput_async(struct inode *ip) +{ + objset_t *os = ITOZSB(ip)->z_os; + + ASSERT(atomic_read(&ip->i_count) > 0); + ASSERT(os != NULL); + + if (atomic_read(&ip->i_count) == 1) + taskq_dispatch(dsl_pool_iput_taskq(dmu_objset_pool(os)), + (task_func_t *)iput, ip, TQ_SLEEP); + else + iput(ip); +} + +void +zfs_get_done(zgd_t *zgd, int error) +{ + znode_t *zp = zgd->zgd_private; + + if (zgd->zgd_db) + dmu_buf_rele(zgd->zgd_db, zgd); + + zfs_range_unlock(zgd->zgd_rl); + + /* + * Release the vnode asynchronously as we currently have the + * txg stopped from syncing. + */ + zfs_iput_async(ZTOI(zp)); + + if (error == 0 && zgd->zgd_bp) + zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); + + kmem_free(zgd, sizeof (zgd_t)); +} + +#ifdef DEBUG +static int zil_fault_io = 0; +#endif + +/* + * Get data to generate a TX_WRITE intent log record. + */ +int +zfs_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) +{ + zfs_sb_t *zsb = arg; + objset_t *os = zsb->z_os; + znode_t *zp; + uint64_t object = lr->lr_foid; + uint64_t offset = lr->lr_offset; + uint64_t size = lr->lr_length; + blkptr_t *bp = &lr->lr_blkptr; + dmu_buf_t *db; + zgd_t *zgd; + int error = 0; + + ASSERT(zio != NULL); + ASSERT(size != 0); + + /* + * Nothing to do if the file has been removed + */ + if (zfs_zget(zsb, object, &zp) != 0) + return (SET_ERROR(ENOENT)); + if (zp->z_unlinked) { + /* + * Release the vnode asynchronously as we currently have the + * txg stopped from syncing. + */ + zfs_iput_async(ZTOI(zp)); + return (SET_ERROR(ENOENT)); + } + + zgd = (zgd_t *)kmem_zalloc(sizeof (zgd_t), KM_SLEEP); + zgd->zgd_zilog = zsb->z_log; + zgd->zgd_private = zp; + + /* + * Write records come in two flavors: immediate and indirect. + * For small writes it's cheaper to store the data with the + * log record (immediate); for large writes it's cheaper to + * sync the data and get a pointer to it (indirect) so that + * we don't have to write the data twice. + */ + if (buf != NULL) { /* immediate write */ + zgd->zgd_rl = zfs_range_lock(&zp->z_range_lock, offset, size, + RL_READER); + /* test for truncation needs to be done while range locked */ + if (offset >= zp->z_size) { + error = SET_ERROR(ENOENT); + } else { + error = dmu_read(os, object, offset, size, buf, + DMU_READ_NO_PREFETCH); + } + ASSERT(error == 0 || error == ENOENT); + } else { /* indirect write */ + /* + * Have to lock the whole block to ensure when it's + * written out and it's checksum is being calculated + * that no one can change the data. We need to re-check + * blocksize after we get the lock in case it's changed! + */ + for (;;) { + uint64_t blkoff; + size = zp->z_blksz; + blkoff = ISP2(size) ? P2PHASE(offset, size) : offset; + offset -= blkoff; + zgd->zgd_rl = zfs_range_lock(&zp->z_range_lock, offset, + size, RL_READER); + if (zp->z_blksz == size) + break; + offset += blkoff; + zfs_range_unlock(zgd->zgd_rl); + } + /* test for truncation needs to be done while range locked */ + if (lr->lr_offset >= zp->z_size) + error = SET_ERROR(ENOENT); +#ifdef DEBUG + if (zil_fault_io) { + error = SET_ERROR(EIO); + zil_fault_io = 0; + } +#endif + if (error == 0) + error = dmu_buf_hold(os, object, offset, zgd, &db, + DMU_READ_NO_PREFETCH); + + if (error == 0) { + blkptr_t *obp = dmu_buf_get_blkptr(db); + if (obp) { + ASSERT(BP_IS_HOLE(bp)); + *bp = *obp; + } + + zgd->zgd_db = db; + zgd->zgd_bp = bp; + + ASSERT(db->db_offset == offset); + ASSERT(db->db_size == size); + + error = dmu_sync(zio, lr->lr_common.lrc_txg, + zfs_get_done, zgd); + ASSERT(error || lr->lr_length <= zp->z_blksz); + + /* + * On success, we need to wait for the write I/O + * initiated by dmu_sync() to complete before we can + * release this dbuf. We will finish everything up + * in the zfs_get_done() callback. + */ + if (error == 0) + return (0); + + if (error == EALREADY) { + lr->lr_common.lrc_txtype = TX_WRITE2; + error = 0; + } + } + } + + zfs_get_done(zgd, error); + + return (error); +} + +/*ARGSUSED*/ +int +zfs_access(struct inode *ip, int mode, int flag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int error; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + if (flag & V_ACE_MASK) + error = zfs_zaccess(zp, mode, flag, B_FALSE, cr); + else + error = zfs_zaccess_rwx(zp, mode, flag, cr); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_access); + +/* + * Lookup an entry in a directory, or an extended attribute directory. + * If it exists, return a held inode reference for it. + * + * IN: dip - inode of directory to search. + * nm - name of entry to lookup. + * flags - LOOKUP_XATTR set if looking for an attribute. + * cr - credentials of caller. + * direntflags - directory lookup flags + * realpnp - returned pathname. + * + * OUT: ipp - inode of located entry, NULL if not found. + * + * RETURN: 0 on success, error code on failure. + * + * Timestamps: + * NA + */ +/* ARGSUSED */ +int +zfs_lookup(struct inode *dip, char *nm, struct inode **ipp, int flags, + cred_t *cr, int *direntflags, pathname_t *realpnp) +{ + znode_t *zdp = ITOZ(dip); + zfs_sb_t *zsb = ITOZSB(dip); + int error = 0; + + /* fast path */ + if (!(flags & (LOOKUP_XATTR | FIGNORECASE))) { + + if (!S_ISDIR(dip->i_mode)) { + return (SET_ERROR(ENOTDIR)); + } else if (zdp->z_sa_hdl == NULL) { + return (SET_ERROR(EIO)); + } + + if (nm[0] == 0 || (nm[0] == '.' && nm[1] == '\0')) { + error = zfs_fastaccesschk_execute(zdp, cr); + if (!error) { + *ipp = dip; + igrab(*ipp); + return (0); + } + return (error); +#ifdef HAVE_DNLC + } else { + vnode_t *tvp = dnlc_lookup(dvp, nm); + + if (tvp) { + error = zfs_fastaccesschk_execute(zdp, cr); + if (error) { + iput(tvp); + return (error); + } + if (tvp == DNLC_NO_VNODE) { + iput(tvp); + return (SET_ERROR(ENOENT)); + } else { + *vpp = tvp; + return (specvp_check(vpp, cr)); + } + } +#endif /* HAVE_DNLC */ + } + } + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zdp); + + *ipp = NULL; + + if (flags & LOOKUP_XATTR) { + /* + * We don't allow recursive attributes.. + * Maybe someday we will. + */ + if (zdp->z_pflags & ZFS_XATTR) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + if ((error = zfs_get_xattrdir(zdp, ipp, cr, flags))) { + ZFS_EXIT(zsb); + return (error); + } + + /* + * Do we have permission to get into attribute directory? + */ + + if ((error = zfs_zaccess(ITOZ(*ipp), ACE_EXECUTE, 0, + B_FALSE, cr))) { + iput(*ipp); + *ipp = NULL; + } + + ZFS_EXIT(zsb); + return (error); + } + + if (!S_ISDIR(dip->i_mode)) { + ZFS_EXIT(zsb); + return (SET_ERROR(ENOTDIR)); + } + + /* + * Check accessibility of directory. + */ + + if ((error = zfs_zaccess(zdp, ACE_EXECUTE, 0, B_FALSE, cr))) { + ZFS_EXIT(zsb); + return (error); + } + + if (zsb->z_utf8 && u8_validate(nm, strlen(nm), + NULL, U8_VALIDATE_ENTIRE, &error) < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EILSEQ)); + } + + error = zfs_dirlook(zdp, nm, ipp, flags, direntflags, realpnp); + if ((error == 0) && (*ipp)) + zfs_inode_update(ITOZ(*ipp)); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_lookup); + +/* + * Attempt to create a new entry in a directory. If the entry + * already exists, truncate the file if permissible, else return + * an error. Return the ip of the created or trunc'd file. + * + * IN: dip - inode of directory to put new file entry in. + * name - name of new file entry. + * vap - attributes of new file. + * excl - flag indicating exclusive or non-exclusive mode. + * mode - mode to open file with. + * cr - credentials of caller. + * flag - large file flag [UNUSED]. + * vsecp - ACL to be set + * + * OUT: ipp - inode of created or trunc'd entry. + * + * RETURN: 0 on success, error code on failure. + * + * Timestamps: + * dip - ctime|mtime updated if new entry created + * ip - ctime|mtime always, atime if new + */ + +/* ARGSUSED */ +int +zfs_create(struct inode *dip, char *name, vattr_t *vap, int excl, + int mode, struct inode **ipp, cred_t *cr, int flag, vsecattr_t *vsecp) +{ + znode_t *zp, *dzp = ITOZ(dip); + zfs_sb_t *zsb = ITOZSB(dip); + zilog_t *zilog; + objset_t *os; + zfs_dirlock_t *dl; + dmu_tx_t *tx; + int error; + uid_t uid; + gid_t gid; + zfs_acl_ids_t acl_ids; + boolean_t fuid_dirtied; + boolean_t have_acl = B_FALSE; + boolean_t waited = B_FALSE; + + /* + * If we have an ephemeral id, ACL, or XVATTR then + * make sure file system is at proper version + */ + + gid = crgetgid(cr); + uid = crgetuid(cr); + + if (zsb->z_use_fuids == B_FALSE && + (vsecp || IS_EPHEMERAL(uid) || IS_EPHEMERAL(gid))) + return (SET_ERROR(EINVAL)); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(dzp); + os = zsb->z_os; + zilog = zsb->z_log; + + if (zsb->z_utf8 && u8_validate(name, strlen(name), + NULL, U8_VALIDATE_ENTIRE, &error) < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EILSEQ)); + } + + if (vap->va_mask & ATTR_XVATTR) { + if ((error = secpolicy_xvattr((xvattr_t *)vap, + crgetuid(cr), cr, vap->va_mode)) != 0) { + ZFS_EXIT(zsb); + return (error); + } + } + +top: + *ipp = NULL; + if (*name == '\0') { + /* + * Null component name refers to the directory itself. + */ + igrab(dip); + zp = dzp; + dl = NULL; + error = 0; + } else { + /* possible igrab(zp) */ + int zflg = 0; + + if (flag & FIGNORECASE) + zflg |= ZCILOOK; + + error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg, + NULL, NULL); + if (error) { + if (have_acl) + zfs_acl_ids_free(&acl_ids); + if (strcmp(name, "..") == 0) + error = SET_ERROR(EISDIR); + ZFS_EXIT(zsb); + return (error); + } + } + + if (zp == NULL) { + uint64_t txtype; + + /* + * Create a new file object and update the directory + * to reference it. + */ + if ((error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr))) { + if (have_acl) + zfs_acl_ids_free(&acl_ids); + goto out; + } + + /* + * We only support the creation of regular files in + * extended attribute directories. + */ + + if ((dzp->z_pflags & ZFS_XATTR) && !S_ISREG(vap->va_mode)) { + if (have_acl) + zfs_acl_ids_free(&acl_ids); + error = SET_ERROR(EINVAL); + goto out; + } + + if (!have_acl && (error = zfs_acl_ids_create(dzp, 0, vap, + cr, vsecp, &acl_ids)) != 0) + goto out; + have_acl = B_TRUE; + + if (zfs_acl_ids_overquota(zsb, &acl_ids)) { + zfs_acl_ids_free(&acl_ids); + error = SET_ERROR(EDQUOT); + goto out; + } + + tx = dmu_tx_create(os); + + dmu_tx_hold_sa_create(tx, acl_ids.z_aclp->z_acl_bytes + + ZFS_SA_BASE_ATTR_SIZE); + + fuid_dirtied = zsb->z_fuid_dirty; + if (fuid_dirtied) + zfs_fuid_txhold(zsb, tx); + dmu_tx_hold_zap(tx, dzp->z_id, TRUE, name); + dmu_tx_hold_sa(tx, dzp->z_sa_hdl, B_FALSE); + if (!zsb->z_use_sa && + acl_ids.z_aclp->z_acl_bytes > ZFS_ACE_SPACE) { + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, + 0, acl_ids.z_aclp->z_acl_bytes); + } + error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + if (error) { + zfs_dirent_unlock(dl); + if (error == ERESTART) { + waited = B_TRUE; + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + zfs_acl_ids_free(&acl_ids); + dmu_tx_abort(tx); + ZFS_EXIT(zsb); + return (error); + } + zfs_mknode(dzp, vap, tx, cr, 0, &zp, &acl_ids); + + if (fuid_dirtied) + zfs_fuid_sync(zsb, tx); + + (void) zfs_link_create(dl, zp, tx, ZNEW); + txtype = zfs_log_create_txtype(Z_FILE, vsecp, vap); + if (flag & FIGNORECASE) + txtype |= TX_CI; + zfs_log_create(zilog, tx, txtype, dzp, zp, name, + vsecp, acl_ids.z_fuidp, vap); + zfs_acl_ids_free(&acl_ids); + dmu_tx_commit(tx); + } else { + int aflags = (flag & FAPPEND) ? V_APPEND : 0; + + if (have_acl) + zfs_acl_ids_free(&acl_ids); + have_acl = B_FALSE; + + /* + * A directory entry already exists for this name. + */ + /* + * Can't truncate an existing file if in exclusive mode. + */ + if (excl) { + error = SET_ERROR(EEXIST); + goto out; + } + /* + * Can't open a directory for writing. + */ + if (S_ISDIR(ZTOI(zp)->i_mode)) { + error = SET_ERROR(EISDIR); + goto out; + } + /* + * Verify requested access to file. + */ + if (mode && (error = zfs_zaccess_rwx(zp, mode, aflags, cr))) { + goto out; + } + + mutex_enter(&dzp->z_lock); + dzp->z_seq++; + mutex_exit(&dzp->z_lock); + + /* + * Truncate regular files if requested. + */ + if (S_ISREG(ZTOI(zp)->i_mode) && + (vap->va_mask & ATTR_SIZE) && (vap->va_size == 0)) { + /* we can't hold any locks when calling zfs_freesp() */ + zfs_dirent_unlock(dl); + dl = NULL; + error = zfs_freesp(zp, 0, 0, mode, TRUE); + } + } +out: + + if (dl) + zfs_dirent_unlock(dl); + + if (error) { + if (zp) + iput(ZTOI(zp)); + } else { + zfs_inode_update(dzp); + zfs_inode_update(zp); + *ipp = ZTOI(zp); + } + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_create); + +/* + * Remove an entry from a directory. + * + * IN: dip - inode of directory to remove entry from. + * name - name of entry to remove. + * cr - credentials of caller. + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * dip - ctime|mtime + * ip - ctime (if nlink > 0) + */ + +uint64_t null_xattr = 0; + +/*ARGSUSED*/ +int +zfs_remove(struct inode *dip, char *name, cred_t *cr) +{ + znode_t *zp, *dzp = ITOZ(dip); + znode_t *xzp; + struct inode *ip; + zfs_sb_t *zsb = ITOZSB(dip); + zilog_t *zilog; + uint64_t xattr_obj; + uint64_t xattr_obj_unlinked = 0; + uint64_t obj = 0; + zfs_dirlock_t *dl; + dmu_tx_t *tx; + boolean_t unlinked; + uint64_t txtype; + pathname_t *realnmp = NULL; +#ifdef HAVE_PN_UTILS + pathname_t realnm; +#endif /* HAVE_PN_UTILS */ + int error; + int zflg = ZEXISTS; + boolean_t waited = B_FALSE; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(dzp); + zilog = zsb->z_log; + +#ifdef HAVE_PN_UTILS + if (flags & FIGNORECASE) { + zflg |= ZCILOOK; + pn_alloc(&realnm); + realnmp = &realnm; + } +#endif /* HAVE_PN_UTILS */ + +top: + xattr_obj = 0; + xzp = NULL; + /* + * Attempt to lock directory; fail if entry doesn't exist. + */ + if ((error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg, + NULL, realnmp))) { +#ifdef HAVE_PN_UTILS + if (realnmp) + pn_free(realnmp); +#endif /* HAVE_PN_UTILS */ + ZFS_EXIT(zsb); + return (error); + } + + ip = ZTOI(zp); + + if ((error = zfs_zaccess_delete(dzp, zp, cr))) { + goto out; + } + + /* + * Need to use rmdir for removing directories. + */ + if (S_ISDIR(ip->i_mode)) { + error = SET_ERROR(EPERM); + goto out; + } + +#ifdef HAVE_DNLC + if (realnmp) + dnlc_remove(dvp, realnmp->pn_buf); + else + dnlc_remove(dvp, name); +#endif /* HAVE_DNLC */ + + /* + * We never delete the znode and always place it in the unlinked + * set. The dentry cache will always hold the last reference and + * is responsible for safely freeing the znode. + */ + obj = zp->z_id; + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_zap(tx, dzp->z_id, FALSE, name); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, zp); + zfs_sa_upgrade_txholds(tx, dzp); + + /* are there any extended attributes? */ + error = sa_lookup(zp->z_sa_hdl, SA_ZPL_XATTR(zsb), + &xattr_obj, sizeof (xattr_obj)); + if (error == 0 && xattr_obj) { + error = zfs_zget(zsb, xattr_obj, &xzp); + ASSERT0(error); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); + dmu_tx_hold_sa(tx, xzp->z_sa_hdl, B_FALSE); + } + + /* charge as an update -- would be nice not to charge at all */ + dmu_tx_hold_zap(tx, zsb->z_unlinkedobj, FALSE, NULL); + + error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + if (error) { + zfs_dirent_unlock(dl); + iput(ip); + if (xzp) + iput(ZTOI(xzp)); + if (error == ERESTART) { + waited = B_TRUE; + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } +#ifdef HAVE_PN_UTILS + if (realnmp) + pn_free(realnmp); +#endif /* HAVE_PN_UTILS */ + dmu_tx_abort(tx); + ZFS_EXIT(zsb); + return (error); + } + + /* + * Remove the directory entry. + */ + error = zfs_link_destroy(dl, zp, tx, zflg, &unlinked); + + if (error) { + dmu_tx_commit(tx); + goto out; + } + + if (unlinked) { + /* + * Hold z_lock so that we can make sure that the ACL obj + * hasn't changed. Could have been deleted due to + * zfs_sa_upgrade(). + */ + mutex_enter(&zp->z_lock); + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_XATTR(zsb), + &xattr_obj_unlinked, sizeof (xattr_obj_unlinked)); + mutex_exit(&zp->z_lock); + zfs_unlinked_add(zp, tx); + } + + txtype = TX_REMOVE; +#ifdef HAVE_PN_UTILS + if (flags & FIGNORECASE) + txtype |= TX_CI; +#endif /* HAVE_PN_UTILS */ + zfs_log_remove(zilog, tx, txtype, dzp, name, obj); + + dmu_tx_commit(tx); +out: +#ifdef HAVE_PN_UTILS + if (realnmp) + pn_free(realnmp); +#endif /* HAVE_PN_UTILS */ + + zfs_dirent_unlock(dl); + zfs_inode_update(dzp); + zfs_inode_update(zp); + if (xzp) + zfs_inode_update(xzp); + + iput(ip); + if (xzp) + iput(ZTOI(xzp)); + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_remove); + +/* + * Create a new directory and insert it into dip using the name + * provided. Return a pointer to the inserted directory. + * + * IN: dip - inode of directory to add subdir to. + * dirname - name of new directory. + * vap - attributes of new directory. + * cr - credentials of caller. + * vsecp - ACL to be set + * + * OUT: ipp - inode of created directory. + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * dip - ctime|mtime updated + * ipp - ctime|mtime|atime updated + */ +/*ARGSUSED*/ +int +zfs_mkdir(struct inode *dip, char *dirname, vattr_t *vap, struct inode **ipp, + cred_t *cr, int flags, vsecattr_t *vsecp) +{ + znode_t *zp, *dzp = ITOZ(dip); + zfs_sb_t *zsb = ITOZSB(dip); + zilog_t *zilog; + zfs_dirlock_t *dl; + uint64_t txtype; + dmu_tx_t *tx; + int error; + int zf = ZNEW; + uid_t uid; + gid_t gid = crgetgid(cr); + zfs_acl_ids_t acl_ids; + boolean_t fuid_dirtied; + boolean_t waited = B_FALSE; + + ASSERT(S_ISDIR(vap->va_mode)); + + /* + * If we have an ephemeral id, ACL, or XVATTR then + * make sure file system is at proper version + */ + + uid = crgetuid(cr); + if (zsb->z_use_fuids == B_FALSE && + (vsecp || IS_EPHEMERAL(uid) || IS_EPHEMERAL(gid))) + return (SET_ERROR(EINVAL)); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(dzp); + zilog = zsb->z_log; + + if (dzp->z_pflags & ZFS_XATTR) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + if (zsb->z_utf8 && u8_validate(dirname, + strlen(dirname), NULL, U8_VALIDATE_ENTIRE, &error) < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EILSEQ)); + } + if (flags & FIGNORECASE) + zf |= ZCILOOK; + + if (vap->va_mask & ATTR_XVATTR) { + if ((error = secpolicy_xvattr((xvattr_t *)vap, + crgetuid(cr), cr, vap->va_mode)) != 0) { + ZFS_EXIT(zsb); + return (error); + } + } + + if ((error = zfs_acl_ids_create(dzp, 0, vap, cr, + vsecp, &acl_ids)) != 0) { + ZFS_EXIT(zsb); + return (error); + } + /* + * First make sure the new directory doesn't exist. + * + * Existence is checked first to make sure we don't return + * EACCES instead of EEXIST which can cause some applications + * to fail. + */ +top: + *ipp = NULL; + + if ((error = zfs_dirent_lock(&dl, dzp, dirname, &zp, zf, + NULL, NULL))) { + zfs_acl_ids_free(&acl_ids); + ZFS_EXIT(zsb); + return (error); + } + + if ((error = zfs_zaccess(dzp, ACE_ADD_SUBDIRECTORY, 0, B_FALSE, cr))) { + zfs_acl_ids_free(&acl_ids); + zfs_dirent_unlock(dl); + ZFS_EXIT(zsb); + return (error); + } + + if (zfs_acl_ids_overquota(zsb, &acl_ids)) { + zfs_acl_ids_free(&acl_ids); + zfs_dirent_unlock(dl); + ZFS_EXIT(zsb); + return (SET_ERROR(EDQUOT)); + } + + /* + * Add a new entry to the directory. + */ + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_zap(tx, dzp->z_id, TRUE, dirname); + dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); + fuid_dirtied = zsb->z_fuid_dirty; + if (fuid_dirtied) + zfs_fuid_txhold(zsb, tx); + if (!zsb->z_use_sa && acl_ids.z_aclp->z_acl_bytes > ZFS_ACE_SPACE) { + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, + acl_ids.z_aclp->z_acl_bytes); + } + + dmu_tx_hold_sa_create(tx, acl_ids.z_aclp->z_acl_bytes + + ZFS_SA_BASE_ATTR_SIZE); + + error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + if (error) { + zfs_dirent_unlock(dl); + if (error == ERESTART) { + waited = B_TRUE; + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + zfs_acl_ids_free(&acl_ids); + dmu_tx_abort(tx); + ZFS_EXIT(zsb); + return (error); + } + + /* + * Create new node. + */ + zfs_mknode(dzp, vap, tx, cr, 0, &zp, &acl_ids); + + if (fuid_dirtied) + zfs_fuid_sync(zsb, tx); + + /* + * Now put new name in parent dir. + */ + (void) zfs_link_create(dl, zp, tx, ZNEW); + + *ipp = ZTOI(zp); + + txtype = zfs_log_create_txtype(Z_DIR, vsecp, vap); + if (flags & FIGNORECASE) + txtype |= TX_CI; + zfs_log_create(zilog, tx, txtype, dzp, zp, dirname, vsecp, + acl_ids.z_fuidp, vap); + + zfs_acl_ids_free(&acl_ids); + + dmu_tx_commit(tx); + + zfs_dirent_unlock(dl); + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + zfs_inode_update(dzp); + zfs_inode_update(zp); + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_mkdir); + +/* + * Remove a directory subdir entry. If the current working + * directory is the same as the subdir to be removed, the + * remove will fail. + * + * IN: dip - inode of directory to remove from. + * name - name of directory to be removed. + * cwd - inode of current working directory. + * cr - credentials of caller. + * flags - case flags + * + * RETURN: 0 on success, error code on failure. + * + * Timestamps: + * dip - ctime|mtime updated + */ +/*ARGSUSED*/ +int +zfs_rmdir(struct inode *dip, char *name, struct inode *cwd, cred_t *cr, + int flags) +{ + znode_t *dzp = ITOZ(dip); + znode_t *zp; + struct inode *ip; + zfs_sb_t *zsb = ITOZSB(dip); + zilog_t *zilog; + zfs_dirlock_t *dl; + dmu_tx_t *tx; + int error; + int zflg = ZEXISTS; + boolean_t waited = B_FALSE; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(dzp); + zilog = zsb->z_log; + + if (flags & FIGNORECASE) + zflg |= ZCILOOK; +top: + zp = NULL; + + /* + * Attempt to lock directory; fail if entry doesn't exist. + */ + if ((error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg, + NULL, NULL))) { + ZFS_EXIT(zsb); + return (error); + } + + ip = ZTOI(zp); + + if ((error = zfs_zaccess_delete(dzp, zp, cr))) { + goto out; + } + + if (!S_ISDIR(ip->i_mode)) { + error = SET_ERROR(ENOTDIR); + goto out; + } + + if (ip == cwd) { + error = SET_ERROR(EINVAL); + goto out; + } + + /* + * Grab a lock on the directory to make sure that noone is + * trying to add (or lookup) entries while we are removing it. + */ + rw_enter(&zp->z_name_lock, RW_WRITER); + + /* + * Grab a lock on the parent pointer to make sure we play well + * with the treewalk and directory rename code. + */ + rw_enter(&zp->z_parent_lock, RW_WRITER); + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_zap(tx, dzp->z_id, FALSE, name); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + dmu_tx_hold_zap(tx, zsb->z_unlinkedobj, FALSE, NULL); + zfs_sa_upgrade_txholds(tx, zp); + zfs_sa_upgrade_txholds(tx, dzp); + error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + if (error) { + rw_exit(&zp->z_parent_lock); + rw_exit(&zp->z_name_lock); + zfs_dirent_unlock(dl); + iput(ip); + if (error == ERESTART) { + waited = B_TRUE; + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + dmu_tx_abort(tx); + ZFS_EXIT(zsb); + return (error); + } + + error = zfs_link_destroy(dl, zp, tx, zflg, NULL); + + if (error == 0) { + uint64_t txtype = TX_RMDIR; + if (flags & FIGNORECASE) + txtype |= TX_CI; + zfs_log_remove(zilog, tx, txtype, dzp, name, ZFS_NO_OBJECT); + } + + dmu_tx_commit(tx); + + rw_exit(&zp->z_parent_lock); + rw_exit(&zp->z_name_lock); +out: + zfs_dirent_unlock(dl); + + zfs_inode_update(dzp); + zfs_inode_update(zp); + iput(ip); + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_rmdir); + +/* + * Read as many directory entries as will fit into the provided + * dirent buffer from the given directory cursor position. + * + * IN: ip - inode of directory to read. + * dirent - buffer for directory entries. + * + * OUT: dirent - filler buffer of directory entries. + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * ip - atime updated + * + * Note that the low 4 bits of the cookie returned by zap is always zero. + * This allows us to use the low range for "special" directory entries: + * We use 0 for '.', and 1 for '..'. If this is the root of the filesystem, + * we use the offset 2 for the '.zfs' directory. + */ +/* ARGSUSED */ +int +zfs_readdir(struct inode *ip, struct dir_context *ctx, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + objset_t *os; + zap_cursor_t zc; + zap_attribute_t zap; + int error; + uint8_t prefetch; + uint8_t type; + int done = 0; + uint64_t parent; + uint64_t offset; /* must be unsigned; checks for < 1 */ + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_PARENT(zsb), + &parent, sizeof (parent))) != 0) + goto out; + + /* + * Quit if directory has been removed (posix) + */ + if (zp->z_unlinked) + goto out; + + error = 0; + os = zsb->z_os; + offset = ctx->pos; + prefetch = zp->z_zn_prefetch; + + /* + * Initialize the iterator cursor. + */ + if (offset <= 3) { + /* + * Start iteration from the beginning of the directory. + */ + zap_cursor_init(&zc, os, zp->z_id); + } else { + /* + * The offset is a serialized cursor. + */ + zap_cursor_init_serialized(&zc, os, zp->z_id, offset); + } + + /* + * Transform to file-system independent format + */ + while (!done) { + uint64_t objnum; + /* + * Special case `.', `..', and `.zfs'. + */ + if (offset == 0) { + (void) strcpy(zap.za_name, "."); + zap.za_normalization_conflict = 0; + objnum = zp->z_id; + type = DT_DIR; + } else if (offset == 1) { + (void) strcpy(zap.za_name, ".."); + zap.za_normalization_conflict = 0; + objnum = parent; + type = DT_DIR; + } else if (offset == 2 && zfs_show_ctldir(zp)) { + (void) strcpy(zap.za_name, ZFS_CTLDIR_NAME); + zap.za_normalization_conflict = 0; + objnum = ZFSCTL_INO_ROOT; + type = DT_DIR; + } else { + /* + * Grab next entry. + */ + if ((error = zap_cursor_retrieve(&zc, &zap))) { + if (error == ENOENT) + break; + else + goto update; + } + + /* + * Allow multiple entries provided the first entry is + * the object id. Non-zpl consumers may safely make + * use of the additional space. + * + * XXX: This should be a feature flag for compatibility + */ + if (zap.za_integer_length != 8 || + zap.za_num_integers == 0) { + cmn_err(CE_WARN, "zap_readdir: bad directory " + "entry, obj = %lld, offset = %lld, " + "length = %d, num = %lld\n", + (u_longlong_t)zp->z_id, + (u_longlong_t)offset, + zap.za_integer_length, + (u_longlong_t)zap.za_num_integers); + error = SET_ERROR(ENXIO); + goto update; + } + + objnum = ZFS_DIRENT_OBJ(zap.za_first_integer); + type = ZFS_DIRENT_TYPE(zap.za_first_integer); + } + + done = !dir_emit(ctx, zap.za_name, strlen(zap.za_name), + objnum, type); + if (done) + break; + + /* Prefetch znode */ + if (prefetch) { + dmu_prefetch(os, objnum, 0, 0); + } + + /* + * Move to the next entry, fill in the previous offset. + */ + if (offset > 2 || (offset == 2 && !zfs_show_ctldir(zp))) { + zap_cursor_advance(&zc); + offset = zap_cursor_serialize(&zc); + } else { + offset += 1; + } + ctx->pos = offset; + } + zp->z_zn_prefetch = B_FALSE; /* a lookup will re-enable pre-fetching */ + +update: + zap_cursor_fini(&zc); + if (error == ENOENT) + error = 0; +out: + ZFS_EXIT(zsb); + + return (error); +} +EXPORT_SYMBOL(zfs_readdir); + +ulong_t zfs_fsync_sync_cnt = 4; + +int +zfs_fsync(struct inode *ip, int syncflag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + + (void) tsd_set(zfs_fsyncer_key, (void *)zfs_fsync_sync_cnt); + + if (zsb->z_os->os_sync != ZFS_SYNC_DISABLED) { + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + zil_commit(zsb->z_log, zp->z_id); + ZFS_EXIT(zsb); + } + tsd_set(zfs_fsyncer_key, NULL); + + return (0); +} +EXPORT_SYMBOL(zfs_fsync); + + +/* + * Get the requested file attributes and place them in the provided + * vattr structure. + * + * IN: ip - inode of file. + * vap - va_mask identifies requested attributes. + * If ATTR_XVATTR set, then optional attrs are requested + * flags - ATTR_NOACLCHECK (CIFS server context) + * cr - credentials of caller. + * + * OUT: vap - attribute values. + * + * RETURN: 0 (always succeeds) + */ +/* ARGSUSED */ +int +zfs_getattr(struct inode *ip, vattr_t *vap, int flags, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int error = 0; + uint64_t links; + uint64_t atime[2], mtime[2], ctime[2]; + xvattr_t *xvap = (xvattr_t *)vap; /* vap may be an xvattr_t * */ + xoptattr_t *xoap = NULL; + boolean_t skipaclchk = (flags & ATTR_NOACLCHECK) ? B_TRUE : B_FALSE; + sa_bulk_attr_t bulk[3]; + int count = 0; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + zfs_fuid_map_ids(zp, cr, &vap->va_uid, &vap->va_gid); + + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ATIME(zsb), NULL, &atime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), NULL, &mtime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, &ctime, 16); + + if ((error = sa_bulk_lookup(zp->z_sa_hdl, bulk, count)) != 0) { + ZFS_EXIT(zsb); + return (error); + } + + /* + * If ACL is trivial don't bother looking for ACE_READ_ATTRIBUTES. + * Also, if we are the owner don't bother, since owner should + * always be allowed to read basic attributes of file. + */ + if (!(zp->z_pflags & ZFS_ACL_TRIVIAL) && + (vap->va_uid != crgetuid(cr))) { + if ((error = zfs_zaccess(zp, ACE_READ_ATTRIBUTES, 0, + skipaclchk, cr))) { + ZFS_EXIT(zsb); + return (error); + } + } + + /* + * Return all attributes. It's cheaper to provide the answer + * than to determine whether we were asked the question. + */ + + mutex_enter(&zp->z_lock); + vap->va_type = vn_mode_to_vtype(zp->z_mode); + vap->va_mode = zp->z_mode; + vap->va_fsid = ZTOI(zp)->i_sb->s_dev; + vap->va_nodeid = zp->z_id; + if ((zp->z_id == zsb->z_root) && zfs_show_ctldir(zp)) + links = zp->z_links + 1; + else + links = zp->z_links; + vap->va_nlink = MIN(links, ZFS_LINK_MAX); + vap->va_size = i_size_read(ip); + vap->va_rdev = ip->i_rdev; + vap->va_seq = ip->i_generation; + + /* + * Add in any requested optional attributes and the create time. + * Also set the corresponding bits in the returned attribute bitmap. + */ + if ((xoap = xva_getxoptattr(xvap)) != NULL && zsb->z_use_fuids) { + if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) { + xoap->xoa_archive = + ((zp->z_pflags & ZFS_ARCHIVE) != 0); + XVA_SET_RTN(xvap, XAT_ARCHIVE); + } + + if (XVA_ISSET_REQ(xvap, XAT_READONLY)) { + xoap->xoa_readonly = + ((zp->z_pflags & ZFS_READONLY) != 0); + XVA_SET_RTN(xvap, XAT_READONLY); + } + + if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) { + xoap->xoa_system = + ((zp->z_pflags & ZFS_SYSTEM) != 0); + XVA_SET_RTN(xvap, XAT_SYSTEM); + } + + if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) { + xoap->xoa_hidden = + ((zp->z_pflags & ZFS_HIDDEN) != 0); + XVA_SET_RTN(xvap, XAT_HIDDEN); + } + + if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) { + xoap->xoa_nounlink = + ((zp->z_pflags & ZFS_NOUNLINK) != 0); + XVA_SET_RTN(xvap, XAT_NOUNLINK); + } + + if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) { + xoap->xoa_immutable = + ((zp->z_pflags & ZFS_IMMUTABLE) != 0); + XVA_SET_RTN(xvap, XAT_IMMUTABLE); + } + + if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) { + xoap->xoa_appendonly = + ((zp->z_pflags & ZFS_APPENDONLY) != 0); + XVA_SET_RTN(xvap, XAT_APPENDONLY); + } + + if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) { + xoap->xoa_nodump = + ((zp->z_pflags & ZFS_NODUMP) != 0); + XVA_SET_RTN(xvap, XAT_NODUMP); + } + + if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) { + xoap->xoa_opaque = + ((zp->z_pflags & ZFS_OPAQUE) != 0); + XVA_SET_RTN(xvap, XAT_OPAQUE); + } + + if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) { + xoap->xoa_av_quarantined = + ((zp->z_pflags & ZFS_AV_QUARANTINED) != 0); + XVA_SET_RTN(xvap, XAT_AV_QUARANTINED); + } + + if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) { + xoap->xoa_av_modified = + ((zp->z_pflags & ZFS_AV_MODIFIED) != 0); + XVA_SET_RTN(xvap, XAT_AV_MODIFIED); + } + + if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP) && + S_ISREG(ip->i_mode)) { + zfs_sa_get_scanstamp(zp, xvap); + } + + if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) { + uint64_t times[2]; + + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zsb), + times, sizeof (times)); + ZFS_TIME_DECODE(&xoap->xoa_createtime, times); + XVA_SET_RTN(xvap, XAT_CREATETIME); + } + + if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) { + xoap->xoa_reparse = ((zp->z_pflags & ZFS_REPARSE) != 0); + XVA_SET_RTN(xvap, XAT_REPARSE); + } + if (XVA_ISSET_REQ(xvap, XAT_GEN)) { + xoap->xoa_generation = zp->z_gen; + XVA_SET_RTN(xvap, XAT_GEN); + } + + if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) { + xoap->xoa_offline = + ((zp->z_pflags & ZFS_OFFLINE) != 0); + XVA_SET_RTN(xvap, XAT_OFFLINE); + } + + if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) { + xoap->xoa_sparse = + ((zp->z_pflags & ZFS_SPARSE) != 0); + XVA_SET_RTN(xvap, XAT_SPARSE); + } + } + + ZFS_TIME_DECODE(&vap->va_atime, atime); + ZFS_TIME_DECODE(&vap->va_mtime, mtime); + ZFS_TIME_DECODE(&vap->va_ctime, ctime); + + mutex_exit(&zp->z_lock); + + sa_object_size(zp->z_sa_hdl, &vap->va_blksize, &vap->va_nblocks); + + if (zp->z_blksz == 0) { + /* + * Block size hasn't been set; suggest maximal I/O transfers. + */ + vap->va_blksize = zsb->z_max_blksz; + } + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_getattr); + +/* + * Get the basic file attributes and place them in the provided kstat + * structure. The inode is assumed to be the authoritative source + * for most of the attributes. However, the znode currently has the + * authoritative atime, blksize, and block count. + * + * IN: ip - inode of file. + * + * OUT: sp - kstat values. + * + * RETURN: 0 (always succeeds) + */ +/* ARGSUSED */ +int +zfs_getattr_fast(struct inode *ip, struct kstat *sp) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + uint32_t blksize; + u_longlong_t nblocks; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + mutex_enter(&zp->z_lock); + + generic_fillattr(ip, sp); + + sa_object_size(zp->z_sa_hdl, &blksize, &nblocks); + sp->blksize = blksize; + sp->blocks = nblocks; + + if (unlikely(zp->z_blksz == 0)) { + /* + * Block size hasn't been set; suggest maximal I/O transfers. + */ + sp->blksize = zsb->z_max_blksz; + } + + mutex_exit(&zp->z_lock); + + /* + * Required to prevent NFS client from detecting different inode + * numbers of snapshot root dentry before and after snapshot mount. + */ + if (zsb->z_issnap) { + if (ip->i_sb->s_root->d_inode == ip) + sp->ino = ZFSCTL_INO_SNAPDIRS - + dmu_objset_id(zsb->z_os); + } + + ZFS_EXIT(zsb); + + return (0); +} +EXPORT_SYMBOL(zfs_getattr_fast); + +/* + * Set the file attributes to the values contained in the + * vattr structure. + * + * IN: ip - inode of file to be modified. + * vap - new attribute values. + * If ATTR_XVATTR set, then optional attrs are being set + * flags - ATTR_UTIME set if non-default time values provided. + * - ATTR_NOACLCHECK (CIFS context only). + * cr - credentials of caller. + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * ip - ctime updated, mtime updated if size changed. + */ +/* ARGSUSED */ +int +zfs_setattr(struct inode *ip, vattr_t *vap, int flags, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + zilog_t *zilog; + dmu_tx_t *tx; + vattr_t oldva; + xvattr_t *tmpxvattr; + uint_t mask = vap->va_mask; + uint_t saved_mask = 0; + int trim_mask = 0; + uint64_t new_mode; + uint64_t new_uid, new_gid; + uint64_t xattr_obj; + uint64_t mtime[2], ctime[2], atime[2]; + znode_t *attrzp; + int need_policy = FALSE; + int err, err2; + zfs_fuid_info_t *fuidp = NULL; + xvattr_t *xvap = (xvattr_t *)vap; /* vap may be an xvattr_t * */ + xoptattr_t *xoap; + zfs_acl_t *aclp; + boolean_t skipaclchk = (flags & ATTR_NOACLCHECK) ? B_TRUE : B_FALSE; + boolean_t fuid_dirtied = B_FALSE; + sa_bulk_attr_t *bulk, *xattr_bulk; + int count = 0, xattr_count = 0; + + if (mask == 0) + return (0); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + zilog = zsb->z_log; + + /* + * Make sure that if we have ephemeral uid/gid or xvattr specified + * that file system is at proper version level + */ + + if (zsb->z_use_fuids == B_FALSE && + (((mask & ATTR_UID) && IS_EPHEMERAL(vap->va_uid)) || + ((mask & ATTR_GID) && IS_EPHEMERAL(vap->va_gid)) || + (mask & ATTR_XVATTR))) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + if (mask & ATTR_SIZE && S_ISDIR(ip->i_mode)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EISDIR)); + } + + if (mask & ATTR_SIZE && !S_ISREG(ip->i_mode) && !S_ISFIFO(ip->i_mode)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + /* + * If this is an xvattr_t, then get a pointer to the structure of + * optional attributes. If this is NULL, then we have a vattr_t. + */ + xoap = xva_getxoptattr(xvap); + + tmpxvattr = kmem_alloc(sizeof (xvattr_t), KM_SLEEP); + xva_init(tmpxvattr); + + bulk = kmem_alloc(sizeof (sa_bulk_attr_t) * 7, KM_SLEEP); + xattr_bulk = kmem_alloc(sizeof (sa_bulk_attr_t) * 7, KM_SLEEP); + + /* + * Immutable files can only alter immutable bit and atime + */ + if ((zp->z_pflags & ZFS_IMMUTABLE) && + ((mask & (ATTR_SIZE|ATTR_UID|ATTR_GID|ATTR_MTIME|ATTR_MODE)) || + ((mask & ATTR_XVATTR) && XVA_ISSET_REQ(xvap, XAT_CREATETIME)))) { + err = EPERM; + goto out3; + } + + if ((mask & ATTR_SIZE) && (zp->z_pflags & ZFS_READONLY)) { + err = EPERM; + goto out3; + } + + /* + * Verify timestamps doesn't overflow 32 bits. + * ZFS can handle large timestamps, but 32bit syscalls can't + * handle times greater than 2039. This check should be removed + * once large timestamps are fully supported. + */ + if (mask & (ATTR_ATIME | ATTR_MTIME)) { + if (((mask & ATTR_ATIME) && + TIMESPEC_OVERFLOW(&vap->va_atime)) || + ((mask & ATTR_MTIME) && + TIMESPEC_OVERFLOW(&vap->va_mtime))) { + err = EOVERFLOW; + goto out3; + } + } + +top: + attrzp = NULL; + aclp = NULL; + + /* Can this be moved to before the top label? */ + if (zfs_is_readonly(zsb)) { + err = EROFS; + goto out3; + } + + /* + * First validate permissions + */ + + if (mask & ATTR_SIZE) { + err = zfs_zaccess(zp, ACE_WRITE_DATA, 0, skipaclchk, cr); + if (err) + goto out3; + + /* + * XXX - Note, we are not providing any open + * mode flags here (like FNDELAY), so we may + * block if there are locks present... this + * should be addressed in openat(). + */ + /* XXX - would it be OK to generate a log record here? */ + err = zfs_freesp(zp, vap->va_size, 0, 0, FALSE); + if (err) + goto out3; + } + + if (mask & (ATTR_ATIME|ATTR_MTIME) || + ((mask & ATTR_XVATTR) && (XVA_ISSET_REQ(xvap, XAT_HIDDEN) || + XVA_ISSET_REQ(xvap, XAT_READONLY) || + XVA_ISSET_REQ(xvap, XAT_ARCHIVE) || + XVA_ISSET_REQ(xvap, XAT_OFFLINE) || + XVA_ISSET_REQ(xvap, XAT_SPARSE) || + XVA_ISSET_REQ(xvap, XAT_CREATETIME) || + XVA_ISSET_REQ(xvap, XAT_SYSTEM)))) { + need_policy = zfs_zaccess(zp, ACE_WRITE_ATTRIBUTES, 0, + skipaclchk, cr); + } + + if (mask & (ATTR_UID|ATTR_GID)) { + int idmask = (mask & (ATTR_UID|ATTR_GID)); + int take_owner; + int take_group; + + /* + * NOTE: even if a new mode is being set, + * we may clear S_ISUID/S_ISGID bits. + */ + + if (!(mask & ATTR_MODE)) + vap->va_mode = zp->z_mode; + + /* + * Take ownership or chgrp to group we are a member of + */ + + take_owner = (mask & ATTR_UID) && (vap->va_uid == crgetuid(cr)); + take_group = (mask & ATTR_GID) && + zfs_groupmember(zsb, vap->va_gid, cr); + + /* + * If both ATTR_UID and ATTR_GID are set then take_owner and + * take_group must both be set in order to allow taking + * ownership. + * + * Otherwise, send the check through secpolicy_vnode_setattr() + * + */ + + if (((idmask == (ATTR_UID|ATTR_GID)) && + take_owner && take_group) || + ((idmask == ATTR_UID) && take_owner) || + ((idmask == ATTR_GID) && take_group)) { + if (zfs_zaccess(zp, ACE_WRITE_OWNER, 0, + skipaclchk, cr) == 0) { + /* + * Remove setuid/setgid for non-privileged users + */ + (void) secpolicy_setid_clear(vap, cr); + trim_mask = (mask & (ATTR_UID|ATTR_GID)); + } else { + need_policy = TRUE; + } + } else { + need_policy = TRUE; + } + } + + mutex_enter(&zp->z_lock); + oldva.va_mode = zp->z_mode; + zfs_fuid_map_ids(zp, cr, &oldva.va_uid, &oldva.va_gid); + if (mask & ATTR_XVATTR) { + /* + * Update xvattr mask to include only those attributes + * that are actually changing. + * + * the bits will be restored prior to actually setting + * the attributes so the caller thinks they were set. + */ + if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) { + if (xoap->xoa_appendonly != + ((zp->z_pflags & ZFS_APPENDONLY) != 0)) { + need_policy = TRUE; + } else { + XVA_CLR_REQ(xvap, XAT_APPENDONLY); + XVA_SET_REQ(tmpxvattr, XAT_APPENDONLY); + } + } + + if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) { + if (xoap->xoa_nounlink != + ((zp->z_pflags & ZFS_NOUNLINK) != 0)) { + need_policy = TRUE; + } else { + XVA_CLR_REQ(xvap, XAT_NOUNLINK); + XVA_SET_REQ(tmpxvattr, XAT_NOUNLINK); + } + } + + if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) { + if (xoap->xoa_immutable != + ((zp->z_pflags & ZFS_IMMUTABLE) != 0)) { + need_policy = TRUE; + } else { + XVA_CLR_REQ(xvap, XAT_IMMUTABLE); + XVA_SET_REQ(tmpxvattr, XAT_IMMUTABLE); + } + } + + if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) { + if (xoap->xoa_nodump != + ((zp->z_pflags & ZFS_NODUMP) != 0)) { + need_policy = TRUE; + } else { + XVA_CLR_REQ(xvap, XAT_NODUMP); + XVA_SET_REQ(tmpxvattr, XAT_NODUMP); + } + } + + if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) { + if (xoap->xoa_av_modified != + ((zp->z_pflags & ZFS_AV_MODIFIED) != 0)) { + need_policy = TRUE; + } else { + XVA_CLR_REQ(xvap, XAT_AV_MODIFIED); + XVA_SET_REQ(tmpxvattr, XAT_AV_MODIFIED); + } + } + + if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) { + if ((!S_ISREG(ip->i_mode) && + xoap->xoa_av_quarantined) || + xoap->xoa_av_quarantined != + ((zp->z_pflags & ZFS_AV_QUARANTINED) != 0)) { + need_policy = TRUE; + } else { + XVA_CLR_REQ(xvap, XAT_AV_QUARANTINED); + XVA_SET_REQ(tmpxvattr, XAT_AV_QUARANTINED); + } + } + + if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) { + mutex_exit(&zp->z_lock); + err = EPERM; + goto out3; + } + + if (need_policy == FALSE && + (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP) || + XVA_ISSET_REQ(xvap, XAT_OPAQUE))) { + need_policy = TRUE; + } + } + + mutex_exit(&zp->z_lock); + + if (mask & ATTR_MODE) { + if (zfs_zaccess(zp, ACE_WRITE_ACL, 0, skipaclchk, cr) == 0) { + err = secpolicy_setid_setsticky_clear(ip, vap, + &oldva, cr); + if (err) + goto out3; + + trim_mask |= ATTR_MODE; + } else { + need_policy = TRUE; + } + } + + if (need_policy) { + /* + * If trim_mask is set then take ownership + * has been granted or write_acl is present and user + * has the ability to modify mode. In that case remove + * UID|GID and or MODE from mask so that + * secpolicy_vnode_setattr() doesn't revoke it. + */ + + if (trim_mask) { + saved_mask = vap->va_mask; + vap->va_mask &= ~trim_mask; + } + err = secpolicy_vnode_setattr(cr, ip, vap, &oldva, flags, + (int (*)(void *, int, cred_t *))zfs_zaccess_unix, zp); + if (err) + goto out3; + + if (trim_mask) + vap->va_mask |= saved_mask; + } + + /* + * secpolicy_vnode_setattr, or take ownership may have + * changed va_mask + */ + mask = vap->va_mask; + + if ((mask & (ATTR_UID | ATTR_GID))) { + err = sa_lookup(zp->z_sa_hdl, SA_ZPL_XATTR(zsb), + &xattr_obj, sizeof (xattr_obj)); + + if (err == 0 && xattr_obj) { + err = zfs_zget(ZTOZSB(zp), xattr_obj, &attrzp); + if (err) + goto out2; + } + if (mask & ATTR_UID) { + new_uid = zfs_fuid_create(zsb, + (uint64_t)vap->va_uid, cr, ZFS_OWNER, &fuidp); + if (new_uid != zp->z_uid && + zfs_fuid_overquota(zsb, B_FALSE, new_uid)) { + if (attrzp) + iput(ZTOI(attrzp)); + err = EDQUOT; + goto out2; + } + } + + if (mask & ATTR_GID) { + new_gid = zfs_fuid_create(zsb, (uint64_t)vap->va_gid, + cr, ZFS_GROUP, &fuidp); + if (new_gid != zp->z_gid && + zfs_fuid_overquota(zsb, B_TRUE, new_gid)) { + if (attrzp) + iput(ZTOI(attrzp)); + err = EDQUOT; + goto out2; + } + } + } + tx = dmu_tx_create(zsb->z_os); + + if (mask & ATTR_MODE) { + uint64_t pmode = zp->z_mode; + uint64_t acl_obj; + new_mode = (pmode & S_IFMT) | (vap->va_mode & ~S_IFMT); + + zfs_acl_chmod_setattr(zp, &aclp, new_mode); + + mutex_enter(&zp->z_lock); + if (!zp->z_is_sa && ((acl_obj = zfs_external_acl(zp)) != 0)) { + /* + * Are we upgrading ACL from old V0 format + * to V1 format? + */ + if (zsb->z_version >= ZPL_VERSION_FUID && + zfs_znode_acl_version(zp) == + ZFS_ACL_VERSION_INITIAL) { + dmu_tx_hold_free(tx, acl_obj, 0, + DMU_OBJECT_END); + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, + 0, aclp->z_acl_bytes); + } else { + dmu_tx_hold_write(tx, acl_obj, 0, + aclp->z_acl_bytes); + } + } else if (!zp->z_is_sa && aclp->z_acl_bytes > ZFS_ACE_SPACE) { + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, + 0, aclp->z_acl_bytes); + } + mutex_exit(&zp->z_lock); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); + } else { + if ((mask & ATTR_XVATTR) && + XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); + else + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + } + + if (attrzp) { + dmu_tx_hold_sa(tx, attrzp->z_sa_hdl, B_FALSE); + } + + fuid_dirtied = zsb->z_fuid_dirty; + if (fuid_dirtied) + zfs_fuid_txhold(zsb, tx); + + zfs_sa_upgrade_txholds(tx, zp); + + err = dmu_tx_assign(tx, TXG_WAIT); + if (err) + goto out; + + count = 0; + /* + * Set each attribute requested. + * We group settings according to the locks they need to acquire. + * + * Note: you cannot set ctime directly, although it will be + * updated as a side-effect of calling this function. + */ + + + if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE)) + mutex_enter(&zp->z_acl_lock); + mutex_enter(&zp->z_lock); + + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, + &zp->z_pflags, sizeof (zp->z_pflags)); + + if (attrzp) { + if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE)) + mutex_enter(&attrzp->z_acl_lock); + mutex_enter(&attrzp->z_lock); + SA_ADD_BULK_ATTR(xattr_bulk, xattr_count, + SA_ZPL_FLAGS(zsb), NULL, &attrzp->z_pflags, + sizeof (attrzp->z_pflags)); + } + + if (mask & (ATTR_UID|ATTR_GID)) { + + if (mask & ATTR_UID) { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zsb), NULL, + &new_uid, sizeof (new_uid)); + zp->z_uid = new_uid; + if (attrzp) { + SA_ADD_BULK_ATTR(xattr_bulk, xattr_count, + SA_ZPL_UID(zsb), NULL, &new_uid, + sizeof (new_uid)); + attrzp->z_uid = new_uid; + } + } + + if (mask & ATTR_GID) { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zsb), + NULL, &new_gid, sizeof (new_gid)); + zp->z_gid = new_gid; + if (attrzp) { + SA_ADD_BULK_ATTR(xattr_bulk, xattr_count, + SA_ZPL_GID(zsb), NULL, &new_gid, + sizeof (new_gid)); + attrzp->z_gid = new_gid; + } + } + if (!(mask & ATTR_MODE)) { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zsb), + NULL, &new_mode, sizeof (new_mode)); + new_mode = zp->z_mode; + } + err = zfs_acl_chown_setattr(zp); + ASSERT(err == 0); + if (attrzp) { + err = zfs_acl_chown_setattr(attrzp); + ASSERT(err == 0); + } + } + + if (mask & ATTR_MODE) { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zsb), NULL, + &new_mode, sizeof (new_mode)); + zp->z_mode = new_mode; + ASSERT3P(aclp, !=, NULL); + err = zfs_aclset_common(zp, aclp, cr, tx); + ASSERT0(err); + if (zp->z_acl_cached) + zfs_acl_free(zp->z_acl_cached); + zp->z_acl_cached = aclp; + aclp = NULL; + } + + + if ((mask & ATTR_ATIME) || zp->z_atime_dirty) { + zp->z_atime_dirty = 0; + ZFS_TIME_ENCODE(&ip->i_atime, atime); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ATIME(zsb), NULL, + &atime, sizeof (atime)); + } + + if (mask & ATTR_MTIME) { + ZFS_TIME_ENCODE(&vap->va_mtime, mtime); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), NULL, + mtime, sizeof (mtime)); + } + + /* XXX - shouldn't this be done *before* the ATIME/MTIME checks? */ + if (mask & ATTR_SIZE && !(mask & ATTR_MTIME)) { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), + NULL, mtime, sizeof (mtime)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, + &ctime, sizeof (ctime)); + zfs_tstamp_update_setup(zp, CONTENT_MODIFIED, mtime, ctime); + } else if (mask != 0) { + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, + &ctime, sizeof (ctime)); + zfs_tstamp_update_setup(zp, STATE_CHANGED, mtime, ctime); + if (attrzp) { + SA_ADD_BULK_ATTR(xattr_bulk, xattr_count, + SA_ZPL_CTIME(zsb), NULL, + &ctime, sizeof (ctime)); + zfs_tstamp_update_setup(attrzp, STATE_CHANGED, + mtime, ctime); + } + } + /* + * Do this after setting timestamps to prevent timestamp + * update from toggling bit + */ + + if (xoap && (mask & ATTR_XVATTR)) { + + /* + * restore trimmed off masks + * so that return masks can be set for caller. + */ + + if (XVA_ISSET_REQ(tmpxvattr, XAT_APPENDONLY)) { + XVA_SET_REQ(xvap, XAT_APPENDONLY); + } + if (XVA_ISSET_REQ(tmpxvattr, XAT_NOUNLINK)) { + XVA_SET_REQ(xvap, XAT_NOUNLINK); + } + if (XVA_ISSET_REQ(tmpxvattr, XAT_IMMUTABLE)) { + XVA_SET_REQ(xvap, XAT_IMMUTABLE); + } + if (XVA_ISSET_REQ(tmpxvattr, XAT_NODUMP)) { + XVA_SET_REQ(xvap, XAT_NODUMP); + } + if (XVA_ISSET_REQ(tmpxvattr, XAT_AV_MODIFIED)) { + XVA_SET_REQ(xvap, XAT_AV_MODIFIED); + } + if (XVA_ISSET_REQ(tmpxvattr, XAT_AV_QUARANTINED)) { + XVA_SET_REQ(xvap, XAT_AV_QUARANTINED); + } + + if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) + ASSERT(S_ISREG(ip->i_mode)); + + zfs_xvattr_set(zp, xvap, tx); + } + + if (fuid_dirtied) + zfs_fuid_sync(zsb, tx); + + if (mask != 0) + zfs_log_setattr(zilog, tx, TX_SETATTR, zp, vap, mask, fuidp); + + mutex_exit(&zp->z_lock); + if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE)) + mutex_exit(&zp->z_acl_lock); + + if (attrzp) { + if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE)) + mutex_exit(&attrzp->z_acl_lock); + mutex_exit(&attrzp->z_lock); + } +out: + if (err == 0 && attrzp) { + err2 = sa_bulk_update(attrzp->z_sa_hdl, xattr_bulk, + xattr_count, tx); + ASSERT(err2 == 0); + } + + if (attrzp) + iput(ZTOI(attrzp)); + if (aclp) + zfs_acl_free(aclp); + + if (fuidp) { + zfs_fuid_info_free(fuidp); + fuidp = NULL; + } + + if (err) { + dmu_tx_abort(tx); + if (err == ERESTART) + goto top; + } else { + err2 = sa_bulk_update(zp->z_sa_hdl, bulk, count, tx); + dmu_tx_commit(tx); + zfs_inode_update(zp); + } + +out2: + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + +out3: + kmem_free(xattr_bulk, sizeof (sa_bulk_attr_t) * 7); + kmem_free(bulk, sizeof (sa_bulk_attr_t) * 7); + kmem_free(tmpxvattr, sizeof (xvattr_t)); + ZFS_EXIT(zsb); + return (err); +} +EXPORT_SYMBOL(zfs_setattr); + +typedef struct zfs_zlock { + krwlock_t *zl_rwlock; /* lock we acquired */ + znode_t *zl_znode; /* znode we held */ + struct zfs_zlock *zl_next; /* next in list */ +} zfs_zlock_t; + +/* + * Drop locks and release vnodes that were held by zfs_rename_lock(). + */ +static void +zfs_rename_unlock(zfs_zlock_t **zlpp) +{ + zfs_zlock_t *zl; + + while ((zl = *zlpp) != NULL) { + if (zl->zl_znode != NULL) + iput(ZTOI(zl->zl_znode)); + rw_exit(zl->zl_rwlock); + *zlpp = zl->zl_next; + kmem_free(zl, sizeof (*zl)); + } +} + +/* + * Search back through the directory tree, using the ".." entries. + * Lock each directory in the chain to prevent concurrent renames. + * Fail any attempt to move a directory into one of its own descendants. + * XXX - z_parent_lock can overlap with map or grow locks + */ +static int +zfs_rename_lock(znode_t *szp, znode_t *tdzp, znode_t *sdzp, zfs_zlock_t **zlpp) +{ + zfs_zlock_t *zl; + znode_t *zp = tdzp; + uint64_t rootid = ZTOZSB(zp)->z_root; + uint64_t oidp = zp->z_id; + krwlock_t *rwlp = &szp->z_parent_lock; + krw_t rw = RW_WRITER; + + /* + * First pass write-locks szp and compares to zp->z_id. + * Later passes read-lock zp and compare to zp->z_parent. + */ + do { + if (!rw_tryenter(rwlp, rw)) { + /* + * Another thread is renaming in this path. + * Note that if we are a WRITER, we don't have any + * parent_locks held yet. + */ + if (rw == RW_READER && zp->z_id > szp->z_id) { + /* + * Drop our locks and restart + */ + zfs_rename_unlock(&zl); + *zlpp = NULL; + zp = tdzp; + oidp = zp->z_id; + rwlp = &szp->z_parent_lock; + rw = RW_WRITER; + continue; + } else { + /* + * Wait for other thread to drop its locks + */ + rw_enter(rwlp, rw); + } + } + + zl = kmem_alloc(sizeof (*zl), KM_SLEEP); + zl->zl_rwlock = rwlp; + zl->zl_znode = NULL; + zl->zl_next = *zlpp; + *zlpp = zl; + + if (oidp == szp->z_id) /* We're a descendant of szp */ + return (SET_ERROR(EINVAL)); + + if (oidp == rootid) /* We've hit the top */ + return (0); + + if (rw == RW_READER) { /* i.e. not the first pass */ + int error = zfs_zget(ZTOZSB(zp), oidp, &zp); + if (error) + return (error); + zl->zl_znode = zp; + } + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_PARENT(ZTOZSB(zp)), + &oidp, sizeof (oidp)); + rwlp = &zp->z_parent_lock; + rw = RW_READER; + + } while (zp->z_id != sdzp->z_id); + + return (0); +} + +/* + * Move an entry from the provided source directory to the target + * directory. Change the entry name as indicated. + * + * IN: sdip - Source directory containing the "old entry". + * snm - Old entry name. + * tdip - Target directory to contain the "new entry". + * tnm - New entry name. + * cr - credentials of caller. + * flags - case flags + * + * RETURN: 0 on success, error code on failure. + * + * Timestamps: + * sdip,tdip - ctime|mtime updated + */ +/*ARGSUSED*/ +int +zfs_rename(struct inode *sdip, char *snm, struct inode *tdip, char *tnm, + cred_t *cr, int flags) +{ + znode_t *tdzp, *szp, *tzp; + znode_t *sdzp = ITOZ(sdip); + zfs_sb_t *zsb = ITOZSB(sdip); + zilog_t *zilog; + zfs_dirlock_t *sdl, *tdl; + dmu_tx_t *tx; + zfs_zlock_t *zl; + int cmp, serr, terr; + int error = 0; + int zflg = 0; + boolean_t waited = B_FALSE; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(sdzp); + zilog = zsb->z_log; + + if (tdip->i_sb != sdip->i_sb || zfsctl_is_node(tdip)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EXDEV)); + } + + tdzp = ITOZ(tdip); + ZFS_VERIFY_ZP(tdzp); + if (zsb->z_utf8 && u8_validate(tnm, + strlen(tnm), NULL, U8_VALIDATE_ENTIRE, &error) < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EILSEQ)); + } + + if (flags & FIGNORECASE) + zflg |= ZCILOOK; + +top: + szp = NULL; + tzp = NULL; + zl = NULL; + + /* + * This is to prevent the creation of links into attribute space + * by renaming a linked file into/outof an attribute directory. + * See the comment in zfs_link() for why this is considered bad. + */ + if ((tdzp->z_pflags & ZFS_XATTR) != (sdzp->z_pflags & ZFS_XATTR)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + /* + * Lock source and target directory entries. To prevent deadlock, + * a lock ordering must be defined. We lock the directory with + * the smallest object id first, or if it's a tie, the one with + * the lexically first name. + */ + if (sdzp->z_id < tdzp->z_id) { + cmp = -1; + } else if (sdzp->z_id > tdzp->z_id) { + cmp = 1; + } else { + /* + * First compare the two name arguments without + * considering any case folding. + */ + int nofold = (zsb->z_norm & ~U8_TEXTPREP_TOUPPER); + + cmp = u8_strcmp(snm, tnm, 0, nofold, U8_UNICODE_LATEST, &error); + ASSERT(error == 0 || !zsb->z_utf8); + if (cmp == 0) { + /* + * POSIX: "If the old argument and the new argument + * both refer to links to the same existing file, + * the rename() function shall return successfully + * and perform no other action." + */ + ZFS_EXIT(zsb); + return (0); + } + /* + * If the file system is case-folding, then we may + * have some more checking to do. A case-folding file + * system is either supporting mixed case sensitivity + * access or is completely case-insensitive. Note + * that the file system is always case preserving. + * + * In mixed sensitivity mode case sensitive behavior + * is the default. FIGNORECASE must be used to + * explicitly request case insensitive behavior. + * + * If the source and target names provided differ only + * by case (e.g., a request to rename 'tim' to 'Tim'), + * we will treat this as a special case in the + * case-insensitive mode: as long as the source name + * is an exact match, we will allow this to proceed as + * a name-change request. + */ + if ((zsb->z_case == ZFS_CASE_INSENSITIVE || + (zsb->z_case == ZFS_CASE_MIXED && + flags & FIGNORECASE)) && + u8_strcmp(snm, tnm, 0, zsb->z_norm, U8_UNICODE_LATEST, + &error) == 0) { + /* + * case preserving rename request, require exact + * name matches + */ + zflg |= ZCIEXACT; + zflg &= ~ZCILOOK; + } + } + + /* + * If the source and destination directories are the same, we should + * grab the z_name_lock of that directory only once. + */ + if (sdzp == tdzp) { + zflg |= ZHAVELOCK; + rw_enter(&sdzp->z_name_lock, RW_READER); + } + + if (cmp < 0) { + serr = zfs_dirent_lock(&sdl, sdzp, snm, &szp, + ZEXISTS | zflg, NULL, NULL); + terr = zfs_dirent_lock(&tdl, + tdzp, tnm, &tzp, ZRENAMING | zflg, NULL, NULL); + } else { + terr = zfs_dirent_lock(&tdl, + tdzp, tnm, &tzp, zflg, NULL, NULL); + serr = zfs_dirent_lock(&sdl, + sdzp, snm, &szp, ZEXISTS | ZRENAMING | zflg, + NULL, NULL); + } + + if (serr) { + /* + * Source entry invalid or not there. + */ + if (!terr) { + zfs_dirent_unlock(tdl); + if (tzp) + iput(ZTOI(tzp)); + } + + if (sdzp == tdzp) + rw_exit(&sdzp->z_name_lock); + + if (strcmp(snm, "..") == 0) + serr = EINVAL; + ZFS_EXIT(zsb); + return (serr); + } + if (terr) { + zfs_dirent_unlock(sdl); + iput(ZTOI(szp)); + + if (sdzp == tdzp) + rw_exit(&sdzp->z_name_lock); + + if (strcmp(tnm, "..") == 0) + terr = EINVAL; + ZFS_EXIT(zsb); + return (terr); + } + + /* + * Must have write access at the source to remove the old entry + * and write access at the target to create the new entry. + * Note that if target and source are the same, this can be + * done in a single check. + */ + + if ((error = zfs_zaccess_rename(sdzp, szp, tdzp, tzp, cr))) + goto out; + + if (S_ISDIR(ZTOI(szp)->i_mode)) { + /* + * Check to make sure rename is valid. + * Can't do a move like this: /usr/a/b to /usr/a/b/c/d + */ + if ((error = zfs_rename_lock(szp, tdzp, sdzp, &zl))) + goto out; + } + + /* + * Does target exist? + */ + if (tzp) { + /* + * Source and target must be the same type. + */ + if (S_ISDIR(ZTOI(szp)->i_mode)) { + if (!S_ISDIR(ZTOI(tzp)->i_mode)) { + error = SET_ERROR(ENOTDIR); + goto out; + } + } else { + if (S_ISDIR(ZTOI(tzp)->i_mode)) { + error = SET_ERROR(EISDIR); + goto out; + } + } + /* + * POSIX dictates that when the source and target + * entries refer to the same file object, rename + * must do nothing and exit without error. + */ + if (szp->z_id == tzp->z_id) { + error = 0; + goto out; + } + } + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa(tx, szp->z_sa_hdl, B_FALSE); + dmu_tx_hold_sa(tx, sdzp->z_sa_hdl, B_FALSE); + dmu_tx_hold_zap(tx, sdzp->z_id, FALSE, snm); + dmu_tx_hold_zap(tx, tdzp->z_id, TRUE, tnm); + if (sdzp != tdzp) { + dmu_tx_hold_sa(tx, tdzp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, tdzp); + } + if (tzp) { + dmu_tx_hold_sa(tx, tzp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, tzp); + } + + zfs_sa_upgrade_txholds(tx, szp); + dmu_tx_hold_zap(tx, zsb->z_unlinkedobj, FALSE, NULL); + error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + if (error) { + if (zl != NULL) + zfs_rename_unlock(&zl); + zfs_dirent_unlock(sdl); + zfs_dirent_unlock(tdl); + + if (sdzp == tdzp) + rw_exit(&sdzp->z_name_lock); + + iput(ZTOI(szp)); + if (tzp) + iput(ZTOI(tzp)); + if (error == ERESTART) { + waited = B_TRUE; + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + dmu_tx_abort(tx); + ZFS_EXIT(zsb); + return (error); + } + + if (tzp) /* Attempt to remove the existing target */ + error = zfs_link_destroy(tdl, tzp, tx, zflg, NULL); + + if (error == 0) { + error = zfs_link_create(tdl, szp, tx, ZRENAMING); + if (error == 0) { + szp->z_pflags |= ZFS_AV_MODIFIED; + + error = sa_update(szp->z_sa_hdl, SA_ZPL_FLAGS(zsb), + (void *)&szp->z_pflags, sizeof (uint64_t), tx); + ASSERT0(error); + + error = zfs_link_destroy(sdl, szp, tx, ZRENAMING, NULL); + if (error == 0) { + zfs_log_rename(zilog, tx, TX_RENAME | + (flags & FIGNORECASE ? TX_CI : 0), sdzp, + sdl->dl_name, tdzp, tdl->dl_name, szp); + } else { + /* + * At this point, we have successfully created + * the target name, but have failed to remove + * the source name. Since the create was done + * with the ZRENAMING flag, there are + * complications; for one, the link count is + * wrong. The easiest way to deal with this + * is to remove the newly created target, and + * return the original error. This must + * succeed; fortunately, it is very unlikely to + * fail, since we just created it. + */ + VERIFY3U(zfs_link_destroy(tdl, szp, tx, + ZRENAMING, NULL), ==, 0); + } + } + } + + dmu_tx_commit(tx); +out: + if (zl != NULL) + zfs_rename_unlock(&zl); + + zfs_dirent_unlock(sdl); + zfs_dirent_unlock(tdl); + + zfs_inode_update(sdzp); + if (sdzp == tdzp) + rw_exit(&sdzp->z_name_lock); + + if (sdzp != tdzp) + zfs_inode_update(tdzp); + + zfs_inode_update(szp); + iput(ZTOI(szp)); + if (tzp) { + zfs_inode_update(tzp); + iput(ZTOI(tzp)); + } + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_rename); + +/* + * Insert the indicated symbolic reference entry into the directory. + * + * IN: dip - Directory to contain new symbolic link. + * link - Name for new symlink entry. + * vap - Attributes of new entry. + * target - Target path of new symlink. + * + * cr - credentials of caller. + * flags - case flags + * + * RETURN: 0 on success, error code on failure. + * + * Timestamps: + * dip - ctime|mtime updated + */ +/*ARGSUSED*/ +int +zfs_symlink(struct inode *dip, char *name, vattr_t *vap, char *link, + struct inode **ipp, cred_t *cr, int flags) +{ + znode_t *zp, *dzp = ITOZ(dip); + zfs_dirlock_t *dl; + dmu_tx_t *tx; + zfs_sb_t *zsb = ITOZSB(dip); + zilog_t *zilog; + uint64_t len = strlen(link); + int error; + int zflg = ZNEW; + zfs_acl_ids_t acl_ids; + boolean_t fuid_dirtied; + uint64_t txtype = TX_SYMLINK; + boolean_t waited = B_FALSE; + + ASSERT(S_ISLNK(vap->va_mode)); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(dzp); + zilog = zsb->z_log; + + if (zsb->z_utf8 && u8_validate(name, strlen(name), + NULL, U8_VALIDATE_ENTIRE, &error) < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EILSEQ)); + } + if (flags & FIGNORECASE) + zflg |= ZCILOOK; + + if (len > MAXPATHLEN) { + ZFS_EXIT(zsb); + return (SET_ERROR(ENAMETOOLONG)); + } + + if ((error = zfs_acl_ids_create(dzp, 0, + vap, cr, NULL, &acl_ids)) != 0) { + ZFS_EXIT(zsb); + return (error); + } +top: + *ipp = NULL; + + /* + * Attempt to lock directory; fail if entry already exists. + */ + error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg, NULL, NULL); + if (error) { + zfs_acl_ids_free(&acl_ids); + ZFS_EXIT(zsb); + return (error); + } + + if ((error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr))) { + zfs_acl_ids_free(&acl_ids); + zfs_dirent_unlock(dl); + ZFS_EXIT(zsb); + return (error); + } + + if (zfs_acl_ids_overquota(zsb, &acl_ids)) { + zfs_acl_ids_free(&acl_ids); + zfs_dirent_unlock(dl); + ZFS_EXIT(zsb); + return (SET_ERROR(EDQUOT)); + } + tx = dmu_tx_create(zsb->z_os); + fuid_dirtied = zsb->z_fuid_dirty; + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, MAX(1, len)); + dmu_tx_hold_zap(tx, dzp->z_id, TRUE, name); + dmu_tx_hold_sa_create(tx, acl_ids.z_aclp->z_acl_bytes + + ZFS_SA_BASE_ATTR_SIZE + len); + dmu_tx_hold_sa(tx, dzp->z_sa_hdl, B_FALSE); + if (!zsb->z_use_sa && acl_ids.z_aclp->z_acl_bytes > ZFS_ACE_SPACE) { + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, + acl_ids.z_aclp->z_acl_bytes); + } + if (fuid_dirtied) + zfs_fuid_txhold(zsb, tx); + error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + if (error) { + zfs_dirent_unlock(dl); + if (error == ERESTART) { + waited = B_TRUE; + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + zfs_acl_ids_free(&acl_ids); + dmu_tx_abort(tx); + ZFS_EXIT(zsb); + return (error); + } + + /* + * Create a new object for the symlink. + * for version 4 ZPL datsets the symlink will be an SA attribute + */ + zfs_mknode(dzp, vap, tx, cr, 0, &zp, &acl_ids); + + if (fuid_dirtied) + zfs_fuid_sync(zsb, tx); + + mutex_enter(&zp->z_lock); + if (zp->z_is_sa) + error = sa_update(zp->z_sa_hdl, SA_ZPL_SYMLINK(zsb), + link, len, tx); + else + zfs_sa_symlink(zp, link, len, tx); + mutex_exit(&zp->z_lock); + + zp->z_size = len; + (void) sa_update(zp->z_sa_hdl, SA_ZPL_SIZE(zsb), + &zp->z_size, sizeof (zp->z_size), tx); + /* + * Insert the new object into the directory. + */ + (void) zfs_link_create(dl, zp, tx, ZNEW); + + if (flags & FIGNORECASE) + txtype |= TX_CI; + zfs_log_symlink(zilog, tx, txtype, dzp, zp, name, link); + + zfs_inode_update(dzp); + zfs_inode_update(zp); + + zfs_acl_ids_free(&acl_ids); + + dmu_tx_commit(tx); + + zfs_dirent_unlock(dl); + + *ipp = ZTOI(zp); + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_symlink); + +/* + * Return, in the buffer contained in the provided uio structure, + * the symbolic path referred to by ip. + * + * IN: ip - inode of symbolic link + * uio - structure to contain the link path. + * cr - credentials of caller. + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * ip - atime updated + */ +/* ARGSUSED */ +int +zfs_readlink(struct inode *ip, uio_t *uio, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int error; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + mutex_enter(&zp->z_lock); + if (zp->z_is_sa) + error = sa_lookup_uio(zp->z_sa_hdl, + SA_ZPL_SYMLINK(zsb), uio); + else + error = zfs_sa_readlink(zp, uio); + mutex_exit(&zp->z_lock); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_readlink); + +/* + * Insert a new entry into directory tdip referencing sip. + * + * IN: tdip - Directory to contain new entry. + * sip - inode of new entry. + * name - name of new entry. + * cr - credentials of caller. + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * tdip - ctime|mtime updated + * sip - ctime updated + */ +/* ARGSUSED */ +int +zfs_link(struct inode *tdip, struct inode *sip, char *name, cred_t *cr) +{ + znode_t *dzp = ITOZ(tdip); + znode_t *tzp, *szp; + zfs_sb_t *zsb = ITOZSB(tdip); + zilog_t *zilog; + zfs_dirlock_t *dl; + dmu_tx_t *tx; + int error; + int zf = ZNEW; + uint64_t parent; + uid_t owner; + boolean_t waited = B_FALSE; + + ASSERT(S_ISDIR(tdip->i_mode)); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(dzp); + zilog = zsb->z_log; + + /* + * POSIX dictates that we return EPERM here. + * Better choices include ENOTSUP or EISDIR. + */ + if (S_ISDIR(sip->i_mode)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EPERM)); + } + + if (sip->i_sb != tdip->i_sb || zfsctl_is_node(sip)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EXDEV)); + } + + szp = ITOZ(sip); + ZFS_VERIFY_ZP(szp); + + /* Prevent links to .zfs/shares files */ + + if ((error = sa_lookup(szp->z_sa_hdl, SA_ZPL_PARENT(zsb), + &parent, sizeof (uint64_t))) != 0) { + ZFS_EXIT(zsb); + return (error); + } + if (parent == zsb->z_shares_dir) { + ZFS_EXIT(zsb); + return (SET_ERROR(EPERM)); + } + + if (zsb->z_utf8 && u8_validate(name, + strlen(name), NULL, U8_VALIDATE_ENTIRE, &error) < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EILSEQ)); + } +#ifdef HAVE_PN_UTILS + if (flags & FIGNORECASE) + zf |= ZCILOOK; +#endif /* HAVE_PN_UTILS */ + + /* + * We do not support links between attributes and non-attributes + * because of the potential security risk of creating links + * into "normal" file space in order to circumvent restrictions + * imposed in attribute space. + */ + if ((szp->z_pflags & ZFS_XATTR) != (dzp->z_pflags & ZFS_XATTR)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + owner = zfs_fuid_map_id(zsb, szp->z_uid, cr, ZFS_OWNER); + if (owner != crgetuid(cr) && secpolicy_basic_link(cr) != 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EPERM)); + } + + if ((error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr))) { + ZFS_EXIT(zsb); + return (error); + } + +top: + /* + * Attempt to lock directory; fail if entry already exists. + */ + error = zfs_dirent_lock(&dl, dzp, name, &tzp, zf, NULL, NULL); + if (error) { + ZFS_EXIT(zsb); + return (error); + } + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa(tx, szp->z_sa_hdl, B_FALSE); + dmu_tx_hold_zap(tx, dzp->z_id, TRUE, name); + zfs_sa_upgrade_txholds(tx, szp); + zfs_sa_upgrade_txholds(tx, dzp); + error = dmu_tx_assign(tx, waited ? TXG_WAITED : TXG_NOWAIT); + if (error) { + zfs_dirent_unlock(dl); + if (error == ERESTART) { + waited = B_TRUE; + dmu_tx_wait(tx); + dmu_tx_abort(tx); + goto top; + } + dmu_tx_abort(tx); + ZFS_EXIT(zsb); + return (error); + } + + error = zfs_link_create(dl, szp, tx, 0); + + if (error == 0) { + uint64_t txtype = TX_LINK; +#ifdef HAVE_PN_UTILS + if (flags & FIGNORECASE) + txtype |= TX_CI; +#endif /* HAVE_PN_UTILS */ + zfs_log_link(zilog, tx, txtype, dzp, szp, name); + } + + dmu_tx_commit(tx); + + zfs_dirent_unlock(dl); + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + zfs_inode_update(dzp); + zfs_inode_update(szp); + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_link); + +static void +zfs_putpage_commit_cb(void *arg) +{ + struct page *pp = arg; + + ClearPageError(pp); + end_page_writeback(pp); +} + +/* + * Push a page out to disk, once the page is on stable storage the + * registered commit callback will be run as notification of completion. + * + * IN: ip - page mapped for inode. + * pp - page to push (page is locked) + * wbc - writeback control data + * + * RETURN: 0 if success + * error code if failure + * + * Timestamps: + * ip - ctime|mtime updated + */ +/* ARGSUSED */ +int +zfs_putpage(struct inode *ip, struct page *pp, struct writeback_control *wbc) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + loff_t offset; + loff_t pgoff; + unsigned int pglen; + rl_t *rl; + dmu_tx_t *tx; + caddr_t va; + int err = 0; + uint64_t mtime[2], ctime[2]; + sa_bulk_attr_t bulk[3]; + int cnt = 0; + struct address_space *mapping; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + ASSERT(PageLocked(pp)); + + pgoff = page_offset(pp); /* Page byte-offset in file */ + offset = i_size_read(ip); /* File length in bytes */ + pglen = MIN(PAGE_SIZE, /* Page length in bytes */ + P2ROUNDUP(offset, PAGE_SIZE)-pgoff); + + /* Page is beyond end of file */ + if (pgoff >= offset) { + unlock_page(pp); + ZFS_EXIT(zsb); + return (0); + } + + /* Truncate page length to end of file */ + if (pgoff + pglen > offset) + pglen = offset - pgoff; + +#if 0 + /* + * FIXME: Allow mmap writes past its quota. The correct fix + * is to register a page_mkwrite() handler to count the page + * against its quota when it is about to be dirtied. + */ + if (zfs_owner_overquota(zsb, zp, B_FALSE) || + zfs_owner_overquota(zsb, zp, B_TRUE)) { + err = EDQUOT; + } +#endif + + /* + * The ordering here is critical and must adhere to the following + * rules in order to avoid deadlocking in either zfs_read() or + * zfs_free_range() due to a lock inversion. + * + * 1) The page must be unlocked prior to acquiring the range lock. + * This is critical because zfs_read() calls find_lock_page() + * which may block on the page lock while holding the range lock. + * + * 2) Before setting or clearing write back on a page the range lock + * must be held in order to prevent a lock inversion with the + * zfs_free_range() function. + * + * This presents a problem because upon entering this function the + * page lock is already held. To safely acquire the range lock the + * page lock must be dropped. This creates a window where another + * process could truncate, invalidate, dirty, or write out the page. + * + * Therefore, after successfully reacquiring the range and page locks + * the current page state is checked. In the common case everything + * will be as is expected and it can be written out. However, if + * the page state has changed it must be handled accordingly. + */ + mapping = pp->mapping; + redirty_page_for_writepage(wbc, pp); + unlock_page(pp); + + rl = zfs_range_lock(&zp->z_range_lock, pgoff, pglen, RL_WRITER); + lock_page(pp); + + /* Page mapping changed or it was no longer dirty, we're done */ + if (unlikely((mapping != pp->mapping) || !PageDirty(pp))) { + unlock_page(pp); + zfs_range_unlock(rl); + ZFS_EXIT(zsb); + return (0); + } + + /* Another process started write block if required */ + if (PageWriteback(pp)) { + unlock_page(pp); + zfs_range_unlock(rl); + + if (wbc->sync_mode != WB_SYNC_NONE) + wait_on_page_writeback(pp); + + ZFS_EXIT(zsb); + return (0); + } + + /* Clear the dirty flag the required locks are held */ + if (!clear_page_dirty_for_io(pp)) { + unlock_page(pp); + zfs_range_unlock(rl); + ZFS_EXIT(zsb); + return (0); + } + + /* + * Counterpart for redirty_page_for_writepage() above. This page + * was in fact not skipped and should not be counted as if it were. + */ + wbc->pages_skipped--; + set_page_writeback(pp); + unlock_page(pp); + + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_write(tx, zp->z_id, pgoff, pglen); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, zp); + + err = dmu_tx_assign(tx, TXG_NOWAIT); + if (err != 0) { + if (err == ERESTART) + dmu_tx_wait(tx); + + dmu_tx_abort(tx); + __set_page_dirty_nobuffers(pp); + ClearPageError(pp); + end_page_writeback(pp); + zfs_range_unlock(rl); + ZFS_EXIT(zsb); + return (err); + } + + va = kmap(pp); + ASSERT3U(pglen, <=, PAGE_SIZE); + dmu_write(zsb->z_os, zp->z_id, pgoff, pglen, va, tx); + kunmap(pp); + + SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(zsb), NULL, &mtime, 16); + SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(zsb), NULL, &ctime, 16); + SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(zsb), NULL, &zp->z_pflags, 8); + + /* Preserve the mtime and ctime provided by the inode */ + ZFS_TIME_ENCODE(&ip->i_mtime, mtime); + ZFS_TIME_ENCODE(&ip->i_ctime, ctime); + zp->z_atime_dirty = 0; + zp->z_seq++; + + err = sa_bulk_update(zp->z_sa_hdl, bulk, cnt, tx); + + zfs_log_write(zsb->z_log, tx, TX_WRITE, zp, pgoff, pglen, 0, + zfs_putpage_commit_cb, pp); + dmu_tx_commit(tx); + + zfs_range_unlock(rl); + + if (wbc->sync_mode != WB_SYNC_NONE) { + /* + * Note that this is rarely called under writepages(), because + * writepages() normally handles the entire commit for + * performance reasons. + */ + if (zsb->z_log != NULL) + zil_commit(zsb->z_log, zp->z_id); + } + + ZFS_EXIT(zsb); + return (err); +} + +/* + * Update the system attributes when the inode has been dirtied. For the + * moment we only update the mode, atime, mtime, and ctime. + */ +int +zfs_dirty_inode(struct inode *ip, int flags) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + dmu_tx_t *tx; + uint64_t mode, atime[2], mtime[2], ctime[2]; + sa_bulk_attr_t bulk[4]; + int error = 0; + int cnt = 0; + + if (zfs_is_readonly(zsb) || dmu_objset_is_snapshot(zsb->z_os)) + return (0); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + +#ifdef I_DIRTY_TIME + /* + * This is the lazytime semantic indroduced in Linux 4.0 + * This flag will only be called from update_time when lazytime is set. + * (Note, I_DIRTY_SYNC will also set if not lazytime) + * Fortunately mtime and ctime are managed within ZFS itself, so we + * only need to dirty atime. + */ + if (flags == I_DIRTY_TIME) { + zp->z_atime_dirty = 1; + goto out; + } +#endif + + tx = dmu_tx_create(zsb->z_os); + + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, zp); + + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + goto out; + } + + mutex_enter(&zp->z_lock); + zp->z_atime_dirty = 0; + + SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(zsb), NULL, &mode, 8); + SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(zsb), NULL, &atime, 16); + SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(zsb), NULL, &mtime, 16); + SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(zsb), NULL, &ctime, 16); + + /* Preserve the mode, mtime and ctime provided by the inode */ + ZFS_TIME_ENCODE(&ip->i_atime, atime); + ZFS_TIME_ENCODE(&ip->i_mtime, mtime); + ZFS_TIME_ENCODE(&ip->i_ctime, ctime); + mode = ip->i_mode; + + zp->z_mode = mode; + + error = sa_bulk_update(zp->z_sa_hdl, bulk, cnt, tx); + mutex_exit(&zp->z_lock); + + dmu_tx_commit(tx); +out: + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_dirty_inode); + +/*ARGSUSED*/ +void +zfs_inactive(struct inode *ip) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + uint64_t atime[2]; + int error; + int need_unlock = 0; + + /* Only read lock if we haven't already write locked, e.g. rollback */ + if (!RW_WRITE_HELD(&zsb->z_teardown_inactive_lock)) { + need_unlock = 1; + rw_enter(&zsb->z_teardown_inactive_lock, RW_READER); + } + if (zp->z_sa_hdl == NULL) { + if (need_unlock) + rw_exit(&zsb->z_teardown_inactive_lock); + return; + } + + if (zp->z_atime_dirty && zp->z_unlinked == 0) { + dmu_tx_t *tx = dmu_tx_create(zsb->z_os); + + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, zp); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + } else { + ZFS_TIME_ENCODE(&ip->i_atime, atime); + mutex_enter(&zp->z_lock); + (void) sa_update(zp->z_sa_hdl, SA_ZPL_ATIME(zsb), + (void *)&atime, sizeof (atime), tx); + zp->z_atime_dirty = 0; + mutex_exit(&zp->z_lock); + dmu_tx_commit(tx); + } + } + + zfs_zinactive(zp); + if (need_unlock) + rw_exit(&zsb->z_teardown_inactive_lock); +} +EXPORT_SYMBOL(zfs_inactive); + +/* + * Bounds-check the seek operation. + * + * IN: ip - inode seeking within + * ooff - old file offset + * noffp - pointer to new file offset + * ct - caller context + * + * RETURN: 0 if success + * EINVAL if new offset invalid + */ +/* ARGSUSED */ +int +zfs_seek(struct inode *ip, offset_t ooff, offset_t *noffp) +{ + if (S_ISDIR(ip->i_mode)) + return (0); + return ((*noffp < 0 || *noffp > MAXOFFSET_T) ? EINVAL : 0); +} +EXPORT_SYMBOL(zfs_seek); + +/* + * Fill pages with data from the disk. + */ +static int +zfs_fillpage(struct inode *ip, struct page *pl[], int nr_pages) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + objset_t *os; + struct page *cur_pp; + u_offset_t io_off, total; + size_t io_len; + loff_t i_size; + unsigned page_idx; + int err; + + os = zsb->z_os; + io_len = nr_pages << PAGE_SHIFT; + i_size = i_size_read(ip); + io_off = page_offset(pl[0]); + + if (io_off + io_len > i_size) + io_len = i_size - io_off; + + /* + * Iterate over list of pages and read each page individually. + */ + page_idx = 0; + for (total = io_off + io_len; io_off < total; io_off += PAGESIZE) { + caddr_t va; + + cur_pp = pl[page_idx++]; + va = kmap(cur_pp); + err = dmu_read(os, zp->z_id, io_off, PAGESIZE, va, + DMU_READ_PREFETCH); + kunmap(cur_pp); + if (err) { + /* convert checksum errors into IO errors */ + if (err == ECKSUM) + err = SET_ERROR(EIO); + return (err); + } + } + + return (0); +} + +/* + * Uses zfs_fillpage to read data from the file and fill the pages. + * + * IN: ip - inode of file to get data from. + * pl - list of pages to read + * nr_pages - number of pages to read + * + * RETURN: 0 on success, error code on failure. + * + * Timestamps: + * vp - atime updated + */ +/* ARGSUSED */ +int +zfs_getpage(struct inode *ip, struct page *pl[], int nr_pages) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int err; + + if (pl == NULL) + return (0); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + err = zfs_fillpage(ip, pl, nr_pages); + + ZFS_EXIT(zsb); + return (err); +} +EXPORT_SYMBOL(zfs_getpage); + +/* + * Check ZFS specific permissions to memory map a section of a file. + * + * IN: ip - inode of the file to mmap + * off - file offset + * addrp - start address in memory region + * len - length of memory region + * vm_flags- address flags + * + * RETURN: 0 if success + * error code if failure + */ +/*ARGSUSED*/ +int +zfs_map(struct inode *ip, offset_t off, caddr_t *addrp, size_t len, + unsigned long vm_flags) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + if ((vm_flags & VM_WRITE) && (zp->z_pflags & + (ZFS_IMMUTABLE | ZFS_READONLY | ZFS_APPENDONLY))) { + ZFS_EXIT(zsb); + return (SET_ERROR(EPERM)); + } + + if ((vm_flags & (VM_READ | VM_EXEC)) && + (zp->z_pflags & ZFS_AV_QUARANTINED)) { + ZFS_EXIT(zsb); + return (SET_ERROR(EACCES)); + } + + if (off < 0 || len > MAXOFFSET_T - off) { + ZFS_EXIT(zsb); + return (SET_ERROR(ENXIO)); + } + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_map); + +/* + * convoff - converts the given data (start, whence) to the + * given whence. + */ +int +convoff(struct inode *ip, flock64_t *lckdat, int whence, offset_t offset) +{ + vattr_t vap; + int error; + + if ((lckdat->l_whence == 2) || (whence == 2)) { + if ((error = zfs_getattr(ip, &vap, 0, CRED()) != 0)) + return (error); + } + + switch (lckdat->l_whence) { + case 1: + lckdat->l_start += offset; + break; + case 2: + lckdat->l_start += vap.va_size; + /* FALLTHRU */ + case 0: + break; + default: + return (SET_ERROR(EINVAL)); + } + + if (lckdat->l_start < 0) + return (SET_ERROR(EINVAL)); + + switch (whence) { + case 1: + lckdat->l_start -= offset; + break; + case 2: + lckdat->l_start -= vap.va_size; + /* FALLTHRU */ + case 0: + break; + default: + return (SET_ERROR(EINVAL)); + } + + lckdat->l_whence = (short)whence; + return (0); +} + +/* + * Free or allocate space in a file. Currently, this function only + * supports the `F_FREESP' command. However, this command is somewhat + * misnamed, as its functionality includes the ability to allocate as + * well as free space. + * + * IN: ip - inode of file to free data in. + * cmd - action to take (only F_FREESP supported). + * bfp - section of file to free/alloc. + * flag - current file open mode flags. + * offset - current file offset. + * cr - credentials of caller [UNUSED]. + * + * RETURN: 0 on success, error code on failure. + * + * Timestamps: + * ip - ctime|mtime updated + */ +/* ARGSUSED */ +int +zfs_space(struct inode *ip, int cmd, flock64_t *bfp, int flag, + offset_t offset, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + uint64_t off, len; + int error; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + if (cmd != F_FREESP) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + if ((error = convoff(ip, bfp, 0, offset))) { + ZFS_EXIT(zsb); + return (error); + } + + if (bfp->l_len < 0) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + /* + * Permissions aren't checked on Solaris because on this OS + * zfs_space() can only be called with an opened file handle. + * On Linux we can get here through truncate_range() which + * operates directly on inodes, so we need to check access rights. + */ + if ((error = zfs_zaccess(zp, ACE_WRITE_DATA, 0, B_FALSE, cr))) { + ZFS_EXIT(zsb); + return (error); + } + + off = bfp->l_start; + len = bfp->l_len; /* 0 means from off to end of file */ + + error = zfs_freesp(zp, off, len, flag, TRUE); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_space); + +/*ARGSUSED*/ +int +zfs_fid(struct inode *ip, fid_t *fidp) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + uint32_t gen; + uint64_t gen64; + uint64_t object = zp->z_id; + zfid_short_t *zfid; + int size, i, error; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zsb), + &gen64, sizeof (uint64_t))) != 0) { + ZFS_EXIT(zsb); + return (error); + } + + gen = (uint32_t)gen64; + + size = (zsb->z_parent != zsb) ? LONG_FID_LEN : SHORT_FID_LEN; + if (fidp->fid_len < size) { + fidp->fid_len = size; + ZFS_EXIT(zsb); + return (SET_ERROR(ENOSPC)); + } + + zfid = (zfid_short_t *)fidp; + + zfid->zf_len = size; + + for (i = 0; i < sizeof (zfid->zf_object); i++) + zfid->zf_object[i] = (uint8_t)(object >> (8 * i)); + + /* Must have a non-zero generation number to distinguish from .zfs */ + if (gen == 0) + gen = 1; + for (i = 0; i < sizeof (zfid->zf_gen); i++) + zfid->zf_gen[i] = (uint8_t)(gen >> (8 * i)); + + if (size == LONG_FID_LEN) { + uint64_t objsetid = dmu_objset_id(zsb->z_os); + zfid_long_t *zlfid; + + zlfid = (zfid_long_t *)fidp; + + for (i = 0; i < sizeof (zlfid->zf_setid); i++) + zlfid->zf_setid[i] = (uint8_t)(objsetid >> (8 * i)); + + /* XXX - this should be the generation number for the objset */ + for (i = 0; i < sizeof (zlfid->zf_setgen); i++) + zlfid->zf_setgen[i] = 0; + } + + ZFS_EXIT(zsb); + return (0); +} +EXPORT_SYMBOL(zfs_fid); + +/*ARGSUSED*/ +int +zfs_getsecattr(struct inode *ip, vsecattr_t *vsecp, int flag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int error; + boolean_t skipaclchk = (flag & ATTR_NOACLCHECK) ? B_TRUE : B_FALSE; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + error = zfs_getacl(zp, vsecp, skipaclchk, cr); + ZFS_EXIT(zsb); + + return (error); +} +EXPORT_SYMBOL(zfs_getsecattr); + +/*ARGSUSED*/ +int +zfs_setsecattr(struct inode *ip, vsecattr_t *vsecp, int flag, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int error; + boolean_t skipaclchk = (flag & ATTR_NOACLCHECK) ? B_TRUE : B_FALSE; + zilog_t *zilog = zsb->z_log; + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + + error = zfs_setacl(zp, vsecp, skipaclchk, cr); + + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zilog, 0); + + ZFS_EXIT(zsb); + return (error); +} +EXPORT_SYMBOL(zfs_setsecattr); + +#ifdef HAVE_UIO_ZEROCOPY +/* + * Tunable, both must be a power of 2. + * + * zcr_blksz_min: the smallest read we may consider to loan out an arcbuf + * zcr_blksz_max: if set to less than the file block size, allow loaning out of + * an arcbuf for a partial block read + */ +int zcr_blksz_min = (1 << 10); /* 1K */ +int zcr_blksz_max = (1 << 17); /* 128K */ + +/*ARGSUSED*/ +static int +zfs_reqzcbuf(struct inode *ip, enum uio_rw ioflag, xuio_t *xuio, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ITOZSB(ip); + int max_blksz = zsb->z_max_blksz; + uio_t *uio = &xuio->xu_uio; + ssize_t size = uio->uio_resid; + offset_t offset = uio->uio_loffset; + int blksz; + int fullblk, i; + arc_buf_t *abuf; + ssize_t maxsize; + int preamble, postamble; + + if (xuio->xu_type != UIOTYPE_ZEROCOPY) + return (SET_ERROR(EINVAL)); + + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + switch (ioflag) { + case UIO_WRITE: + /* + * Loan out an arc_buf for write if write size is bigger than + * max_blksz, and the file's block size is also max_blksz. + */ + blksz = max_blksz; + if (size < blksz || zp->z_blksz != blksz) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + /* + * Caller requests buffers for write before knowing where the + * write offset might be (e.g. NFS TCP write). + */ + if (offset == -1) { + preamble = 0; + } else { + preamble = P2PHASE(offset, blksz); + if (preamble) { + preamble = blksz - preamble; + size -= preamble; + } + } + + postamble = P2PHASE(size, blksz); + size -= postamble; + + fullblk = size / blksz; + (void) dmu_xuio_init(xuio, + (preamble != 0) + fullblk + (postamble != 0)); + + /* + * Have to fix iov base/len for partial buffers. They + * currently represent full arc_buf's. + */ + if (preamble) { + /* data begins in the middle of the arc_buf */ + abuf = dmu_request_arcbuf(sa_get_db(zp->z_sa_hdl), + blksz); + ASSERT(abuf); + (void) dmu_xuio_add(xuio, abuf, + blksz - preamble, preamble); + } + + for (i = 0; i < fullblk; i++) { + abuf = dmu_request_arcbuf(sa_get_db(zp->z_sa_hdl), + blksz); + ASSERT(abuf); + (void) dmu_xuio_add(xuio, abuf, 0, blksz); + } + + if (postamble) { + /* data ends in the middle of the arc_buf */ + abuf = dmu_request_arcbuf(sa_get_db(zp->z_sa_hdl), + blksz); + ASSERT(abuf); + (void) dmu_xuio_add(xuio, abuf, 0, postamble); + } + break; + case UIO_READ: + /* + * Loan out an arc_buf for read if the read size is larger than + * the current file block size. Block alignment is not + * considered. Partial arc_buf will be loaned out for read. + */ + blksz = zp->z_blksz; + if (blksz < zcr_blksz_min) + blksz = zcr_blksz_min; + if (blksz > zcr_blksz_max) + blksz = zcr_blksz_max; + /* avoid potential complexity of dealing with it */ + if (blksz > max_blksz) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + maxsize = zp->z_size - uio->uio_loffset; + if (size > maxsize) + size = maxsize; + + if (size < blksz) { + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + break; + default: + ZFS_EXIT(zsb); + return (SET_ERROR(EINVAL)); + } + + uio->uio_extflg = UIO_XUIO; + XUIO_XUZC_RW(xuio) = ioflag; + ZFS_EXIT(zsb); + return (0); +} + +/*ARGSUSED*/ +static int +zfs_retzcbuf(struct inode *ip, xuio_t *xuio, cred_t *cr) +{ + int i; + arc_buf_t *abuf; + int ioflag = XUIO_XUZC_RW(xuio); + + ASSERT(xuio->xu_type == UIOTYPE_ZEROCOPY); + + i = dmu_xuio_cnt(xuio); + while (i-- > 0) { + abuf = dmu_xuio_arcbuf(xuio, i); + /* + * if abuf == NULL, it must be a write buffer + * that has been returned in zfs_write(). + */ + if (abuf) + dmu_return_arcbuf(abuf); + ASSERT(abuf || ioflag == UIO_WRITE); + } + + dmu_xuio_fini(xuio); + return (0); +} +#endif /* HAVE_UIO_ZEROCOPY */ + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_read_chunk_size, long, 0644); +MODULE_PARM_DESC(zfs_read_chunk_size, "Bytes to read per chunk"); +#endif diff --git a/zfs/module/zfs/zfs_znode.c b/zfs/module/zfs/zfs_znode.c new file mode 100644 index 000000000000..e76bdc47b4bd --- /dev/null +++ b/zfs/module/zfs/zfs_znode.c @@ -0,0 +1,2108 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +/* Portions Copyright 2007 Jeremy Teo */ + +#ifdef _KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "fs/fs_subr.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#endif /* _KERNEL */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "zfs_prop.h" +#include "zfs_comutil.h" + +/* + * Define ZNODE_STATS to turn on statistic gathering. By default, it is only + * turned on when DEBUG is also defined. + */ +#ifdef DEBUG +#define ZNODE_STATS +#endif /* DEBUG */ + +#ifdef ZNODE_STATS +#define ZNODE_STAT_ADD(stat) ((stat)++) +#else +#define ZNODE_STAT_ADD(stat) /* nothing */ +#endif /* ZNODE_STATS */ + +/* + * Functions needed for userland (ie: libzpool) are not put under + * #ifdef_KERNEL; the rest of the functions have dependencies + * (such as VFS logic) that will not compile easily in userland. + */ +#ifdef _KERNEL + +static kmem_cache_t *znode_cache = NULL; +static kmem_cache_t *znode_hold_cache = NULL; +unsigned int zfs_object_mutex_size = ZFS_OBJ_MTX_SZ; + +/*ARGSUSED*/ +static int +zfs_znode_cache_constructor(void *buf, void *arg, int kmflags) +{ + znode_t *zp = buf; + + inode_init_once(ZTOI(zp)); + list_link_init(&zp->z_link_node); + + mutex_init(&zp->z_lock, NULL, MUTEX_DEFAULT, NULL); + rw_init(&zp->z_parent_lock, NULL, RW_DEFAULT, NULL); + rw_init(&zp->z_name_lock, NULL, RW_DEFAULT, NULL); + mutex_init(&zp->z_acl_lock, NULL, MUTEX_DEFAULT, NULL); + rw_init(&zp->z_xattr_lock, NULL, RW_DEFAULT, NULL); + + zfs_rlock_init(&zp->z_range_lock); + + zp->z_dirlocks = NULL; + zp->z_acl_cached = NULL; + zp->z_xattr_cached = NULL; + zp->z_moved = 0; + return (0); +} + +/*ARGSUSED*/ +static void +zfs_znode_cache_destructor(void *buf, void *arg) +{ + znode_t *zp = buf; + + ASSERT(!list_link_active(&zp->z_link_node)); + mutex_destroy(&zp->z_lock); + rw_destroy(&zp->z_parent_lock); + rw_destroy(&zp->z_name_lock); + mutex_destroy(&zp->z_acl_lock); + rw_destroy(&zp->z_xattr_lock); + zfs_rlock_destroy(&zp->z_range_lock); + + ASSERT(zp->z_dirlocks == NULL); + ASSERT(zp->z_acl_cached == NULL); + ASSERT(zp->z_xattr_cached == NULL); +} + +static int +zfs_znode_hold_cache_constructor(void *buf, void *arg, int kmflags) +{ + znode_hold_t *zh = buf; + + mutex_init(&zh->zh_lock, NULL, MUTEX_DEFAULT, NULL); + refcount_create(&zh->zh_refcount); + zh->zh_obj = ZFS_NO_OBJECT; + + return (0); +} + +static void +zfs_znode_hold_cache_destructor(void *buf, void *arg) +{ + znode_hold_t *zh = buf; + + mutex_destroy(&zh->zh_lock); + refcount_destroy(&zh->zh_refcount); +} + +void +zfs_znode_init(void) +{ + /* + * Initialize zcache. The KMC_SLAB hint is used in order that it be + * backed by kmalloc() when on the Linux slab in order that any + * wait_on_bit() operations on the related inode operate properly. + */ + ASSERT(znode_cache == NULL); + znode_cache = kmem_cache_create("zfs_znode_cache", + sizeof (znode_t), 0, zfs_znode_cache_constructor, + zfs_znode_cache_destructor, NULL, NULL, NULL, KMC_SLAB); + + ASSERT(znode_hold_cache == NULL); + znode_hold_cache = kmem_cache_create("zfs_znode_hold_cache", + sizeof (znode_hold_t), 0, zfs_znode_hold_cache_constructor, + zfs_znode_hold_cache_destructor, NULL, NULL, NULL, 0); +} + +void +zfs_znode_fini(void) +{ + /* + * Cleanup zcache + */ + if (znode_cache) + kmem_cache_destroy(znode_cache); + znode_cache = NULL; + + if (znode_hold_cache) + kmem_cache_destroy(znode_hold_cache); + znode_hold_cache = NULL; +} + +/* + * The zfs_znode_hold_enter() / zfs_znode_hold_exit() functions are used to + * serialize access to a znode and its SA buffer while the object is being + * created or destroyed. This kind of locking would normally reside in the + * znode itself but in this case that's impossible because the znode and SA + * buffer may not yet exist. Therefore the locking is handled externally + * with an array of mutexs and AVLs trees which contain per-object locks. + * + * In zfs_znode_hold_enter() a per-object lock is created as needed, inserted + * in to the correct AVL tree and finally the per-object lock is held. In + * zfs_znode_hold_exit() the process is reversed. The per-object lock is + * released, removed from the AVL tree and destroyed if there are no waiters. + * + * This scheme has two important properties: + * + * 1) No memory allocations are performed while holding one of the z_hold_locks. + * This ensures evict(), which can be called from direct memory reclaim, will + * never block waiting on a z_hold_locks which just happens to have hashed + * to the same index. + * + * 2) All locks used to serialize access to an object are per-object and never + * shared. This minimizes lock contention without creating a large number + * of dedicated locks. + * + * On the downside it does require znode_lock_t structures to be frequently + * allocated and freed. However, because these are backed by a kmem cache + * and very short lived this cost is minimal. + */ +int +zfs_znode_hold_compare(const void *a, const void *b) +{ + const znode_hold_t *zh_a = a; + const znode_hold_t *zh_b = b; + + if (zh_a->zh_obj < zh_b->zh_obj) + return (-1); + else if (zh_a->zh_obj > zh_b->zh_obj) + return (1); + else + return (0); +} + +boolean_t +zfs_znode_held(zfs_sb_t *zsb, uint64_t obj) +{ + znode_hold_t *zh, search; + int i = ZFS_OBJ_HASH(zsb, obj); + boolean_t held; + + search.zh_obj = obj; + + mutex_enter(&zsb->z_hold_locks[i]); + zh = avl_find(&zsb->z_hold_trees[i], &search, NULL); + held = (zh && MUTEX_HELD(&zh->zh_lock)) ? B_TRUE : B_FALSE; + mutex_exit(&zsb->z_hold_locks[i]); + + return (held); +} + +static znode_hold_t * +zfs_znode_hold_enter(zfs_sb_t *zsb, uint64_t obj) +{ + znode_hold_t *zh, *zh_new, search; + int i = ZFS_OBJ_HASH(zsb, obj); + boolean_t found = B_FALSE; + + zh_new = kmem_cache_alloc(znode_hold_cache, KM_SLEEP); + zh_new->zh_obj = obj; + search.zh_obj = obj; + + mutex_enter(&zsb->z_hold_locks[i]); + zh = avl_find(&zsb->z_hold_trees[i], &search, NULL); + if (likely(zh == NULL)) { + zh = zh_new; + avl_add(&zsb->z_hold_trees[i], zh); + } else { + ASSERT3U(zh->zh_obj, ==, obj); + found = B_TRUE; + } + refcount_add(&zh->zh_refcount, NULL); + mutex_exit(&zsb->z_hold_locks[i]); + + if (found == B_TRUE) + kmem_cache_free(znode_hold_cache, zh_new); + + ASSERT(MUTEX_NOT_HELD(&zh->zh_lock)); + ASSERT3S(refcount_count(&zh->zh_refcount), >, 0); + mutex_enter(&zh->zh_lock); + + return (zh); +} + +static void +zfs_znode_hold_exit(zfs_sb_t *zsb, znode_hold_t *zh) +{ + int i = ZFS_OBJ_HASH(zsb, zh->zh_obj); + boolean_t remove = B_FALSE; + + ASSERT(zfs_znode_held(zsb, zh->zh_obj)); + ASSERT3S(refcount_count(&zh->zh_refcount), >, 0); + mutex_exit(&zh->zh_lock); + + mutex_enter(&zsb->z_hold_locks[i]); + if (refcount_remove(&zh->zh_refcount, NULL) == 0) { + avl_remove(&zsb->z_hold_trees[i], zh); + remove = B_TRUE; + } + mutex_exit(&zsb->z_hold_locks[i]); + + if (remove == B_TRUE) + kmem_cache_free(znode_hold_cache, zh); +} + +int +zfs_create_share_dir(zfs_sb_t *zsb, dmu_tx_t *tx) +{ +#ifdef HAVE_SMB_SHARE + zfs_acl_ids_t acl_ids; + vattr_t vattr; + znode_t *sharezp; + vnode_t *vp; + znode_t *zp; + int error; + + vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE; + vattr.va_mode = S_IFDIR | 0555; + vattr.va_uid = crgetuid(kcred); + vattr.va_gid = crgetgid(kcred); + + sharezp = kmem_cache_alloc(znode_cache, KM_SLEEP); + sharezp->z_moved = 0; + sharezp->z_unlinked = 0; + sharezp->z_atime_dirty = 0; + sharezp->z_zfsvfs = zfsvfs; + sharezp->z_is_sa = zfsvfs->z_use_sa; + + vp = ZTOV(sharezp); + vn_reinit(vp); + vp->v_type = VDIR; + + VERIFY(0 == zfs_acl_ids_create(sharezp, IS_ROOT_NODE, &vattr, + kcred, NULL, &acl_ids)); + zfs_mknode(sharezp, &vattr, tx, kcred, IS_ROOT_NODE, &zp, &acl_ids); + ASSERT3P(zp, ==, sharezp); + ASSERT(!vn_in_dnlc(ZTOV(sharezp))); /* not valid to move */ + POINTER_INVALIDATE(&sharezp->z_zfsvfs); + error = zap_add(zfsvfs->z_os, MASTER_NODE_OBJ, + ZFS_SHARES_DIR, 8, 1, &sharezp->z_id, tx); + zfsvfs->z_shares_dir = sharezp->z_id; + + zfs_acl_ids_free(&acl_ids); + // ZTOV(sharezp)->v_count = 0; + sa_handle_destroy(sharezp->z_sa_hdl); + kmem_cache_free(znode_cache, sharezp); + + return (error); +#else + return (0); +#endif /* HAVE_SMB_SHARE */ +} + +static void +zfs_znode_sa_init(zfs_sb_t *zsb, znode_t *zp, + dmu_buf_t *db, dmu_object_type_t obj_type, sa_handle_t *sa_hdl) +{ + ASSERT(zfs_znode_held(zsb, zp->z_id)); + + mutex_enter(&zp->z_lock); + + ASSERT(zp->z_sa_hdl == NULL); + ASSERT(zp->z_acl_cached == NULL); + if (sa_hdl == NULL) { + VERIFY(0 == sa_handle_get_from_db(zsb->z_os, db, zp, + SA_HDL_SHARED, &zp->z_sa_hdl)); + } else { + zp->z_sa_hdl = sa_hdl; + sa_set_userp(sa_hdl, zp); + } + + zp->z_is_sa = (obj_type == DMU_OT_SA) ? B_TRUE : B_FALSE; + + mutex_exit(&zp->z_lock); +} + +void +zfs_znode_dmu_fini(znode_t *zp) +{ + ASSERT(zfs_znode_held(ZTOZSB(zp), zp->z_id) || zp->z_unlinked || + RW_WRITE_HELD(&ZTOZSB(zp)->z_teardown_inactive_lock)); + + sa_handle_destroy(zp->z_sa_hdl); + zp->z_sa_hdl = NULL; +} + +/* + * Called by new_inode() to allocate a new inode. + */ +int +zfs_inode_alloc(struct super_block *sb, struct inode **ip) +{ + znode_t *zp; + + zp = kmem_cache_alloc(znode_cache, KM_SLEEP); + *ip = ZTOI(zp); + + return (0); +} + +/* + * Called in multiple places when an inode should be destroyed. + */ +void +zfs_inode_destroy(struct inode *ip) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ZTOZSB(zp); + + mutex_enter(&zsb->z_znodes_lock); + if (list_link_active(&zp->z_link_node)) { + list_remove(&zsb->z_all_znodes, zp); + zsb->z_nr_znodes--; + } + mutex_exit(&zsb->z_znodes_lock); + + if (zp->z_acl_cached) { + zfs_acl_free(zp->z_acl_cached); + zp->z_acl_cached = NULL; + } + + if (zp->z_xattr_cached) { + nvlist_free(zp->z_xattr_cached); + zp->z_xattr_cached = NULL; + } + + kmem_cache_free(znode_cache, zp); +} + +static void +zfs_inode_set_ops(zfs_sb_t *zsb, struct inode *ip) +{ + uint64_t rdev = 0; + + switch (ip->i_mode & S_IFMT) { + case S_IFREG: + ip->i_op = &zpl_inode_operations; + ip->i_fop = &zpl_file_operations; + ip->i_mapping->a_ops = &zpl_address_space_operations; + break; + + case S_IFDIR: + ip->i_op = &zpl_dir_inode_operations; + ip->i_fop = &zpl_dir_file_operations; + ITOZ(ip)->z_zn_prefetch = B_TRUE; + break; + + case S_IFLNK: + ip->i_op = &zpl_symlink_inode_operations; + break; + + /* + * rdev is only stored in a SA only for device files. + */ + case S_IFCHR: + case S_IFBLK: + sa_lookup(ITOZ(ip)->z_sa_hdl, SA_ZPL_RDEV(zsb), &rdev, + sizeof (rdev)); + /*FALLTHROUGH*/ + case S_IFIFO: + case S_IFSOCK: + init_special_inode(ip, ip->i_mode, rdev); + ip->i_op = &zpl_special_inode_operations; + break; + + default: + zfs_panic_recover("inode %llu has invalid mode: 0x%x\n", + (u_longlong_t)ip->i_ino, ip->i_mode); + + /* Assume the inode is a file and attempt to continue */ + ip->i_mode = S_IFREG | 0644; + ip->i_op = &zpl_inode_operations; + ip->i_fop = &zpl_file_operations; + ip->i_mapping->a_ops = &zpl_address_space_operations; + break; + } +} + +void +zfs_set_inode_flags(znode_t *zp, struct inode *ip) +{ + /* + * Linux and Solaris have different sets of file attributes, so we + * restrict this conversion to the intersection of the two. + */ + + if (zp->z_pflags & ZFS_IMMUTABLE) + ip->i_flags |= S_IMMUTABLE; + else + ip->i_flags &= ~S_IMMUTABLE; + + if (zp->z_pflags & ZFS_APPENDONLY) + ip->i_flags |= S_APPEND; + else + ip->i_flags &= ~S_APPEND; +} + +/* + * Update the embedded inode given the znode. We should work toward + * eliminating this function as soon as possible by removing values + * which are duplicated between the znode and inode. If the generic + * inode has the correct field it should be used, and the ZFS code + * updated to access the inode. This can be done incrementally. + */ +static void +zfs_inode_update_impl(znode_t *zp, boolean_t new) +{ + zfs_sb_t *zsb; + struct inode *ip; + uint32_t blksize; + u_longlong_t i_blocks; + uint64_t atime[2], mtime[2], ctime[2]; + + ASSERT(zp != NULL); + zsb = ZTOZSB(zp); + ip = ZTOI(zp); + + /* Skip .zfs control nodes which do not exist on disk. */ + if (zfsctl_is_node(ip)) + return; + + sa_lookup(zp->z_sa_hdl, SA_ZPL_ATIME(zsb), &atime, 16); + sa_lookup(zp->z_sa_hdl, SA_ZPL_MTIME(zsb), &mtime, 16); + sa_lookup(zp->z_sa_hdl, SA_ZPL_CTIME(zsb), &ctime, 16); + + dmu_object_size_from_db(sa_get_db(zp->z_sa_hdl), &blksize, &i_blocks); + + spin_lock(&ip->i_lock); + ip->i_generation = zp->z_gen; + ip->i_uid = SUID_TO_KUID(zp->z_uid); + ip->i_gid = SGID_TO_KGID(zp->z_gid); + set_nlink(ip, zp->z_links); + ip->i_mode = zp->z_mode; + zfs_set_inode_flags(zp, ip); + ip->i_blkbits = SPA_MINBLOCKSHIFT; + ip->i_blocks = i_blocks; + + /* + * Only read atime from SA if we are newly created inode (or rezget), + * otherwise i_atime might be dirty. + */ + if (new) + ZFS_TIME_DECODE(&ip->i_atime, atime); + ZFS_TIME_DECODE(&ip->i_mtime, mtime); + ZFS_TIME_DECODE(&ip->i_ctime, ctime); + + i_size_write(ip, zp->z_size); + spin_unlock(&ip->i_lock); +} + +static void +zfs_inode_update_new(znode_t *zp) +{ + zfs_inode_update_impl(zp, B_TRUE); +} + +void +zfs_inode_update(znode_t *zp) +{ + zfs_inode_update_impl(zp, B_FALSE); +} + +/* + * Construct a znode+inode and initialize. + * + * This does not do a call to dmu_set_user() that is + * up to the caller to do, in case you don't want to + * return the znode + */ +static znode_t * +zfs_znode_alloc(zfs_sb_t *zsb, dmu_buf_t *db, int blksz, + dmu_object_type_t obj_type, uint64_t obj, sa_handle_t *hdl) +{ + znode_t *zp; + struct inode *ip; + uint64_t mode; + uint64_t parent; + sa_bulk_attr_t bulk[8]; + int count = 0; + + ASSERT(zsb != NULL); + + ip = new_inode(zsb->z_sb); + if (ip == NULL) + return (NULL); + + zp = ITOZ(ip); + ASSERT(zp->z_dirlocks == NULL); + ASSERT3P(zp->z_acl_cached, ==, NULL); + ASSERT3P(zp->z_xattr_cached, ==, NULL); + zp->z_moved = 0; + zp->z_sa_hdl = NULL; + zp->z_unlinked = 0; + zp->z_atime_dirty = 0; + zp->z_mapcnt = 0; + zp->z_id = db->db_object; + zp->z_blksz = blksz; + zp->z_seq = 0x7A4653; + zp->z_sync_cnt = 0; + zp->z_is_mapped = B_FALSE; + zp->z_is_ctldir = B_FALSE; + zp->z_is_stale = B_FALSE; + zp->z_range_lock.zr_size = &zp->z_size; + zp->z_range_lock.zr_blksz = &zp->z_blksz; + zp->z_range_lock.zr_max_blksz = &ZTOZSB(zp)->z_max_blksz; + + zfs_znode_sa_init(zsb, zp, db, obj_type, hdl); + + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zsb), NULL, &mode, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GEN(zsb), NULL, &zp->z_gen, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zsb), NULL, &zp->z_size, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zsb), NULL, &zp->z_links, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, + &zp->z_pflags, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_PARENT(zsb), NULL, + &parent, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zsb), NULL, &zp->z_uid, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zsb), NULL, &zp->z_gid, 8); + + if (sa_bulk_lookup(zp->z_sa_hdl, bulk, count) != 0 || zp->z_gen == 0) { + if (hdl == NULL) + sa_handle_destroy(zp->z_sa_hdl); + zp->z_sa_hdl = NULL; + goto error; + } + + zp->z_mode = mode; + + ip->i_ino = obj; + zfs_inode_update_new(zp); + zfs_inode_set_ops(zsb, ip); + + /* + * The only way insert_inode_locked() can fail is if the ip->i_ino + * number is already hashed for this super block. This can never + * happen because the inode numbers map 1:1 with the object numbers. + * + * The one exception is rolling back a mounted file system, but in + * this case all the active inode are unhashed during the rollback. + */ + VERIFY3S(insert_inode_locked(ip), ==, 0); + + mutex_enter(&zsb->z_znodes_lock); + list_insert_tail(&zsb->z_all_znodes, zp); + zsb->z_nr_znodes++; + membar_producer(); + mutex_exit(&zsb->z_znodes_lock); + + unlock_new_inode(ip); + return (zp); + +error: + iput(ip); + return (NULL); +} + +/* + * Safely mark an inode dirty. Inodes which are part of a read-only + * file system or snapshot may not be dirtied. + */ +void +zfs_mark_inode_dirty(struct inode *ip) +{ + zfs_sb_t *zsb = ITOZSB(ip); + + if (zfs_is_readonly(zsb) || dmu_objset_is_snapshot(zsb->z_os)) + return; + + mark_inode_dirty(ip); +} + +static uint64_t empty_xattr; +static uint64_t pad[4]; +static zfs_acl_phys_t acl_phys; +/* + * Create a new DMU object to hold a zfs znode. + * + * IN: dzp - parent directory for new znode + * vap - file attributes for new znode + * tx - dmu transaction id for zap operations + * cr - credentials of caller + * flag - flags: + * IS_ROOT_NODE - new object will be root + * IS_XATTR - new object is an attribute + * bonuslen - length of bonus buffer + * setaclp - File/Dir initial ACL + * fuidp - Tracks fuid allocation. + * + * OUT: zpp - allocated znode + * + */ +void +zfs_mknode(znode_t *dzp, vattr_t *vap, dmu_tx_t *tx, cred_t *cr, + uint_t flag, znode_t **zpp, zfs_acl_ids_t *acl_ids) +{ + uint64_t crtime[2], atime[2], mtime[2], ctime[2]; + uint64_t mode, size, links, parent, pflags; + uint64_t dzp_pflags = 0; + uint64_t rdev = 0; + zfs_sb_t *zsb = ZTOZSB(dzp); + dmu_buf_t *db; + timestruc_t now; + uint64_t gen, obj; + int bonuslen; + sa_handle_t *sa_hdl; + dmu_object_type_t obj_type; + sa_bulk_attr_t *sa_attrs; + int cnt = 0; + zfs_acl_locator_cb_t locate = { 0 }; + znode_hold_t *zh; + + if (zsb->z_replay) { + obj = vap->va_nodeid; + now = vap->va_ctime; /* see zfs_replay_create() */ + gen = vap->va_nblocks; /* ditto */ + } else { + obj = 0; + gethrestime(&now); + gen = dmu_tx_get_txg(tx); + } + + obj_type = zsb->z_use_sa ? DMU_OT_SA : DMU_OT_ZNODE; + bonuslen = (obj_type == DMU_OT_SA) ? + DN_MAX_BONUSLEN : ZFS_OLD_ZNODE_PHYS_SIZE; + + /* + * Create a new DMU object. + */ + /* + * There's currently no mechanism for pre-reading the blocks that will + * be needed to allocate a new object, so we accept the small chance + * that there will be an i/o error and we will fail one of the + * assertions below. + */ + if (S_ISDIR(vap->va_mode)) { + if (zsb->z_replay) { + VERIFY0(zap_create_claim_norm(zsb->z_os, obj, + zsb->z_norm, DMU_OT_DIRECTORY_CONTENTS, + obj_type, bonuslen, tx)); + } else { + obj = zap_create_norm(zsb->z_os, + zsb->z_norm, DMU_OT_DIRECTORY_CONTENTS, + obj_type, bonuslen, tx); + } + } else { + if (zsb->z_replay) { + VERIFY0(dmu_object_claim(zsb->z_os, obj, + DMU_OT_PLAIN_FILE_CONTENTS, 0, + obj_type, bonuslen, tx)); + } else { + obj = dmu_object_alloc(zsb->z_os, + DMU_OT_PLAIN_FILE_CONTENTS, 0, + obj_type, bonuslen, tx); + } + } + + zh = zfs_znode_hold_enter(zsb, obj); + VERIFY(0 == sa_buf_hold(zsb->z_os, obj, NULL, &db)); + + /* + * If this is the root, fix up the half-initialized parent pointer + * to reference the just-allocated physical data area. + */ + if (flag & IS_ROOT_NODE) { + dzp->z_id = obj; + } else { + dzp_pflags = dzp->z_pflags; + } + + /* + * If parent is an xattr, so am I. + */ + if (dzp_pflags & ZFS_XATTR) { + flag |= IS_XATTR; + } + + if (zsb->z_use_fuids) + pflags = ZFS_ARCHIVE | ZFS_AV_MODIFIED; + else + pflags = 0; + + if (S_ISDIR(vap->va_mode)) { + size = 2; /* contents ("." and "..") */ + links = (flag & (IS_ROOT_NODE | IS_XATTR)) ? 2 : 1; + } else { + size = links = 0; + } + + if (S_ISBLK(vap->va_mode) || S_ISCHR(vap->va_mode)) + rdev = vap->va_rdev; + + parent = dzp->z_id; + mode = acl_ids->z_mode; + if (flag & IS_XATTR) + pflags |= ZFS_XATTR; + + /* + * No execs denied will be deterimed when zfs_mode_compute() is called. + */ + pflags |= acl_ids->z_aclp->z_hints & + (ZFS_ACL_TRIVIAL|ZFS_INHERIT_ACE|ZFS_ACL_AUTO_INHERIT| + ZFS_ACL_DEFAULTED|ZFS_ACL_PROTECTED); + + ZFS_TIME_ENCODE(&now, crtime); + ZFS_TIME_ENCODE(&now, ctime); + + if (vap->va_mask & ATTR_ATIME) { + ZFS_TIME_ENCODE(&vap->va_atime, atime); + } else { + ZFS_TIME_ENCODE(&now, atime); + } + + if (vap->va_mask & ATTR_MTIME) { + ZFS_TIME_ENCODE(&vap->va_mtime, mtime); + } else { + ZFS_TIME_ENCODE(&now, mtime); + } + + /* Now add in all of the "SA" attributes */ + VERIFY(0 == sa_handle_get_from_db(zsb->z_os, db, NULL, SA_HDL_SHARED, + &sa_hdl)); + + /* + * Setup the array of attributes to be replaced/set on the new file + * + * order for DMU_OT_ZNODE is critical since it needs to be constructed + * in the old znode_phys_t format. Don't change this ordering + */ + sa_attrs = kmem_alloc(sizeof (sa_bulk_attr_t) * ZPL_END, KM_SLEEP); + + if (obj_type == DMU_OT_ZNODE) { + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ATIME(zsb), + NULL, &atime, 16); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MTIME(zsb), + NULL, &mtime, 16); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CTIME(zsb), + NULL, &ctime, 16); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CRTIME(zsb), + NULL, &crtime, 16); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GEN(zsb), + NULL, &gen, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MODE(zsb), + NULL, &mode, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_SIZE(zsb), + NULL, &size, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PARENT(zsb), + NULL, &parent, 8); + } else { + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MODE(zsb), + NULL, &mode, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_SIZE(zsb), + NULL, &size, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GEN(zsb), + NULL, &gen, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_UID(zsb), + NULL, &acl_ids->z_fuid, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GID(zsb), + NULL, &acl_ids->z_fgid, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PARENT(zsb), + NULL, &parent, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_FLAGS(zsb), + NULL, &pflags, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ATIME(zsb), + NULL, &atime, 16); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MTIME(zsb), + NULL, &mtime, 16); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CTIME(zsb), + NULL, &ctime, 16); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CRTIME(zsb), + NULL, &crtime, 16); + } + + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_LINKS(zsb), NULL, &links, 8); + + if (obj_type == DMU_OT_ZNODE) { + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_XATTR(zsb), NULL, + &empty_xattr, 8); + } + if (obj_type == DMU_OT_ZNODE || + (S_ISBLK(vap->va_mode) || S_ISCHR(vap->va_mode))) { + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_RDEV(zsb), + NULL, &rdev, 8); + } + if (obj_type == DMU_OT_ZNODE) { + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_FLAGS(zsb), + NULL, &pflags, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_UID(zsb), NULL, + &acl_ids->z_fuid, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GID(zsb), NULL, + &acl_ids->z_fgid, 8); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PAD(zsb), NULL, pad, + sizeof (uint64_t) * 4); + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ZNODE_ACL(zsb), NULL, + &acl_phys, sizeof (zfs_acl_phys_t)); + } else if (acl_ids->z_aclp->z_version >= ZFS_ACL_VERSION_FUID) { + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_DACL_COUNT(zsb), NULL, + &acl_ids->z_aclp->z_acl_count, 8); + locate.cb_aclp = acl_ids->z_aclp; + SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_DACL_ACES(zsb), + zfs_acl_data_locator, &locate, + acl_ids->z_aclp->z_acl_bytes); + mode = zfs_mode_compute(mode, acl_ids->z_aclp, &pflags, + acl_ids->z_fuid, acl_ids->z_fgid); + } + + VERIFY(sa_replace_all_by_template(sa_hdl, sa_attrs, cnt, tx) == 0); + + if (!(flag & IS_ROOT_NODE)) { + *zpp = zfs_znode_alloc(zsb, db, 0, obj_type, obj, sa_hdl); + VERIFY(*zpp != NULL); + VERIFY(dzp != NULL); + } else { + /* + * If we are creating the root node, the "parent" we + * passed in is the znode for the root. + */ + *zpp = dzp; + + (*zpp)->z_sa_hdl = sa_hdl; + } + + (*zpp)->z_pflags = pflags; + (*zpp)->z_mode = mode; + + if (obj_type == DMU_OT_ZNODE || + acl_ids->z_aclp->z_version < ZFS_ACL_VERSION_FUID) { + VERIFY0(zfs_aclset_common(*zpp, acl_ids->z_aclp, cr, tx)); + } + kmem_free(sa_attrs, sizeof (sa_bulk_attr_t) * ZPL_END); + zfs_znode_hold_exit(zsb, zh); +} + +/* + * Update in-core attributes. It is assumed the caller will be doing an + * sa_bulk_update to push the changes out. + */ +void +zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx) +{ + xoptattr_t *xoap; + + xoap = xva_getxoptattr(xvap); + ASSERT(xoap); + + if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) { + uint64_t times[2]; + ZFS_TIME_ENCODE(&xoap->xoa_createtime, times); + (void) sa_update(zp->z_sa_hdl, SA_ZPL_CRTIME(ZTOZSB(zp)), + ×, sizeof (times), tx); + XVA_SET_RTN(xvap, XAT_CREATETIME); + } + if (XVA_ISSET_REQ(xvap, XAT_READONLY)) { + ZFS_ATTR_SET(zp, ZFS_READONLY, xoap->xoa_readonly, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_READONLY); + } + if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) { + ZFS_ATTR_SET(zp, ZFS_HIDDEN, xoap->xoa_hidden, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_HIDDEN); + } + if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) { + ZFS_ATTR_SET(zp, ZFS_SYSTEM, xoap->xoa_system, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_SYSTEM); + } + if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) { + ZFS_ATTR_SET(zp, ZFS_ARCHIVE, xoap->xoa_archive, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_ARCHIVE); + } + if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) { + ZFS_ATTR_SET(zp, ZFS_IMMUTABLE, xoap->xoa_immutable, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_IMMUTABLE); + } + if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) { + ZFS_ATTR_SET(zp, ZFS_NOUNLINK, xoap->xoa_nounlink, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_NOUNLINK); + } + if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) { + ZFS_ATTR_SET(zp, ZFS_APPENDONLY, xoap->xoa_appendonly, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_APPENDONLY); + } + if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) { + ZFS_ATTR_SET(zp, ZFS_NODUMP, xoap->xoa_nodump, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_NODUMP); + } + if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) { + ZFS_ATTR_SET(zp, ZFS_OPAQUE, xoap->xoa_opaque, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_OPAQUE); + } + if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) { + ZFS_ATTR_SET(zp, ZFS_AV_QUARANTINED, + xoap->xoa_av_quarantined, zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_AV_QUARANTINED); + } + if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) { + ZFS_ATTR_SET(zp, ZFS_AV_MODIFIED, xoap->xoa_av_modified, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_AV_MODIFIED); + } + if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) { + zfs_sa_set_scanstamp(zp, xvap, tx); + XVA_SET_RTN(xvap, XAT_AV_SCANSTAMP); + } + if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) { + ZFS_ATTR_SET(zp, ZFS_REPARSE, xoap->xoa_reparse, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_REPARSE); + } + if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) { + ZFS_ATTR_SET(zp, ZFS_OFFLINE, xoap->xoa_offline, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_OFFLINE); + } + if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) { + ZFS_ATTR_SET(zp, ZFS_SPARSE, xoap->xoa_sparse, + zp->z_pflags, tx); + XVA_SET_RTN(xvap, XAT_SPARSE); + } +} + +int +zfs_zget(zfs_sb_t *zsb, uint64_t obj_num, znode_t **zpp) +{ + dmu_object_info_t doi; + dmu_buf_t *db; + znode_t *zp; + znode_hold_t *zh; + int err; + sa_handle_t *hdl; + + *zpp = NULL; + +again: + zh = zfs_znode_hold_enter(zsb, obj_num); + + err = sa_buf_hold(zsb->z_os, obj_num, NULL, &db); + if (err) { + zfs_znode_hold_exit(zsb, zh); + return (err); + } + + dmu_object_info_from_db(db, &doi); + if (doi.doi_bonus_type != DMU_OT_SA && + (doi.doi_bonus_type != DMU_OT_ZNODE || + (doi.doi_bonus_type == DMU_OT_ZNODE && + doi.doi_bonus_size < sizeof (znode_phys_t)))) { + sa_buf_rele(db, NULL); + zfs_znode_hold_exit(zsb, zh); + return (SET_ERROR(EINVAL)); + } + + hdl = dmu_buf_get_user(db); + if (hdl != NULL) { + zp = sa_get_userdata(hdl); + + + /* + * Since "SA" does immediate eviction we + * should never find a sa handle that doesn't + * know about the znode. + */ + + ASSERT3P(zp, !=, NULL); + + mutex_enter(&zp->z_lock); + ASSERT3U(zp->z_id, ==, obj_num); + if (zp->z_unlinked) { + err = SET_ERROR(ENOENT); + } else { + /* + * If igrab() returns NULL the VFS has independently + * determined the inode should be evicted and has + * called iput_final() to start the eviction process. + * The SA handle is still valid but because the VFS + * requires that the eviction succeed we must drop + * our locks and references to allow the eviction to + * complete. The zfs_zget() may then be retried. + * + * This unlikely case could be optimized by registering + * a sops->drop_inode() callback. The callback would + * need to detect the active SA hold thereby informing + * the VFS that this inode should not be evicted. + */ + if (igrab(ZTOI(zp)) == NULL) { + mutex_exit(&zp->z_lock); + sa_buf_rele(db, NULL); + zfs_znode_hold_exit(zsb, zh); + /* inode might need this to finish evict */ + cond_resched(); + goto again; + } + *zpp = zp; + err = 0; + } + mutex_exit(&zp->z_lock); + sa_buf_rele(db, NULL); + zfs_znode_hold_exit(zsb, zh); + return (err); + } + + /* + * Not found create new znode/vnode but only if file exists. + * + * There is a small window where zfs_vget() could + * find this object while a file create is still in + * progress. This is checked for in zfs_znode_alloc() + * + * if zfs_znode_alloc() fails it will drop the hold on the + * bonus buffer. + */ + zp = zfs_znode_alloc(zsb, db, doi.doi_data_block_size, + doi.doi_bonus_type, obj_num, NULL); + if (zp == NULL) { + err = SET_ERROR(ENOENT); + } else { + *zpp = zp; + } + zfs_znode_hold_exit(zsb, zh); + return (err); +} + +int +zfs_rezget(znode_t *zp) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + dmu_object_info_t doi; + dmu_buf_t *db; + uint64_t obj_num = zp->z_id; + uint64_t mode; + sa_bulk_attr_t bulk[7]; + int err; + int count = 0; + uint64_t gen; + znode_hold_t *zh; + + /* + * skip ctldir, otherwise they will always get invalidated. This will + * cause funny behaviour for the mounted snapdirs. Especially for + * Linux >= 3.18, d_invalidate will detach the mountpoint and prevent + * anyone automount it again as long as someone is still using the + * detached mount. + */ + if (zp->z_is_ctldir) + return (0); + + zh = zfs_znode_hold_enter(zsb, obj_num); + + mutex_enter(&zp->z_acl_lock); + if (zp->z_acl_cached) { + zfs_acl_free(zp->z_acl_cached); + zp->z_acl_cached = NULL; + } + mutex_exit(&zp->z_acl_lock); + + rw_enter(&zp->z_xattr_lock, RW_WRITER); + if (zp->z_xattr_cached) { + nvlist_free(zp->z_xattr_cached); + zp->z_xattr_cached = NULL; + } + rw_exit(&zp->z_xattr_lock); + + ASSERT(zp->z_sa_hdl == NULL); + err = sa_buf_hold(zsb->z_os, obj_num, NULL, &db); + if (err) { + zfs_znode_hold_exit(zsb, zh); + return (err); + } + + dmu_object_info_from_db(db, &doi); + if (doi.doi_bonus_type != DMU_OT_SA && + (doi.doi_bonus_type != DMU_OT_ZNODE || + (doi.doi_bonus_type == DMU_OT_ZNODE && + doi.doi_bonus_size < sizeof (znode_phys_t)))) { + sa_buf_rele(db, NULL); + zfs_znode_hold_exit(zsb, zh); + return (SET_ERROR(EINVAL)); + } + + zfs_znode_sa_init(zsb, zp, db, doi.doi_bonus_type, NULL); + + /* reload cached values */ + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GEN(zsb), NULL, + &gen, sizeof (gen)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zsb), NULL, + &zp->z_size, sizeof (zp->z_size)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zsb), NULL, + &zp->z_links, sizeof (zp->z_links)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, + &zp->z_pflags, sizeof (zp->z_pflags)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zsb), NULL, + &zp->z_uid, sizeof (zp->z_uid)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zsb), NULL, + &zp->z_gid, sizeof (zp->z_gid)); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zsb), NULL, + &mode, sizeof (mode)); + + if (sa_bulk_lookup(zp->z_sa_hdl, bulk, count)) { + zfs_znode_dmu_fini(zp); + zfs_znode_hold_exit(zsb, zh); + return (SET_ERROR(EIO)); + } + + zp->z_mode = mode; + + if (gen != zp->z_gen) { + zfs_znode_dmu_fini(zp); + zfs_znode_hold_exit(zsb, zh); + return (SET_ERROR(EIO)); + } + + zp->z_unlinked = (zp->z_links == 0); + zp->z_blksz = doi.doi_data_block_size; + zp->z_atime_dirty = 0; + zfs_inode_update_new(zp); + + zfs_znode_hold_exit(zsb, zh); + + return (0); +} + +void +zfs_znode_delete(znode_t *zp, dmu_tx_t *tx) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + objset_t *os = zsb->z_os; + uint64_t obj = zp->z_id; + uint64_t acl_obj = zfs_external_acl(zp); + znode_hold_t *zh; + + zh = zfs_znode_hold_enter(zsb, obj); + if (acl_obj) { + VERIFY(!zp->z_is_sa); + VERIFY(0 == dmu_object_free(os, acl_obj, tx)); + } + VERIFY(0 == dmu_object_free(os, obj, tx)); + zfs_znode_dmu_fini(zp); + zfs_znode_hold_exit(zsb, zh); +} + +void +zfs_zinactive(znode_t *zp) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + uint64_t z_id = zp->z_id; + znode_hold_t *zh; + + ASSERT(zp->z_sa_hdl); + + /* + * Don't allow a zfs_zget() while were trying to release this znode. + */ + zh = zfs_znode_hold_enter(zsb, z_id); + + mutex_enter(&zp->z_lock); + + /* + * If this was the last reference to a file with no links, + * remove the file from the file system. + */ + if (zp->z_unlinked) { + mutex_exit(&zp->z_lock); + zfs_znode_hold_exit(zsb, zh); + zfs_rmnode(zp); + return; + } + + mutex_exit(&zp->z_lock); + zfs_znode_dmu_fini(zp); + + zfs_znode_hold_exit(zsb, zh); +} + +static inline int +zfs_compare_timespec(struct timespec *t1, struct timespec *t2) +{ + if (t1->tv_sec < t2->tv_sec) + return (-1); + + if (t1->tv_sec > t2->tv_sec) + return (1); + + return (t1->tv_nsec - t2->tv_nsec); +} + +/* + * Prepare to update znode time stamps. + * + * IN: zp - znode requiring timestamp update + * flag - ATTR_MTIME, ATTR_CTIME flags + * + * OUT: zp - z_seq + * mtime - new mtime + * ctime - new ctime + * + * Note: We don't update atime here, because we rely on Linux VFS to do + * atime updating. + */ +void +zfs_tstamp_update_setup(znode_t *zp, uint_t flag, uint64_t mtime[2], + uint64_t ctime[2]) +{ + timestruc_t now; + + gethrestime(&now); + + zp->z_seq++; + + if (flag & ATTR_MTIME) { + ZFS_TIME_ENCODE(&now, mtime); + if (ZTOZSB(zp)->z_use_fuids) { + zp->z_pflags |= (ZFS_ARCHIVE | + ZFS_AV_MODIFIED); + } + } + + if (flag & ATTR_CTIME) { + ZFS_TIME_ENCODE(&now, ctime); + if (ZTOZSB(zp)->z_use_fuids) + zp->z_pflags |= ZFS_ARCHIVE; + } +} + +/* + * Grow the block size for a file. + * + * IN: zp - znode of file to free data in. + * size - requested block size + * tx - open transaction. + * + * NOTE: this function assumes that the znode is write locked. + */ +void +zfs_grow_blocksize(znode_t *zp, uint64_t size, dmu_tx_t *tx) +{ + int error; + u_longlong_t dummy; + + if (size <= zp->z_blksz) + return; + /* + * If the file size is already greater than the current blocksize, + * we will not grow. If there is more than one block in a file, + * the blocksize cannot change. + */ + if (zp->z_blksz && zp->z_size > zp->z_blksz) + return; + + error = dmu_object_set_blocksize(ZTOZSB(zp)->z_os, zp->z_id, + size, 0, tx); + + if (error == ENOTSUP) + return; + ASSERT0(error); + + /* What blocksize did we actually get? */ + dmu_object_size_from_db(sa_get_db(zp->z_sa_hdl), &zp->z_blksz, &dummy); +} + +/* + * Increase the file length + * + * IN: zp - znode of file to free data in. + * end - new end-of-file + * + * RETURN: 0 on success, error code on failure + */ +static int +zfs_extend(znode_t *zp, uint64_t end) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + dmu_tx_t *tx; + rl_t *rl; + uint64_t newblksz; + int error; + + /* + * We will change zp_size, lock the whole file. + */ + rl = zfs_range_lock(&zp->z_range_lock, 0, UINT64_MAX, RL_WRITER); + + /* + * Nothing to do if file already at desired length. + */ + if (end <= zp->z_size) { + zfs_range_unlock(rl); + return (0); + } + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, zp); + if (end > zp->z_blksz && + (!ISP2(zp->z_blksz) || zp->z_blksz < zsb->z_max_blksz)) { + /* + * We are growing the file past the current block size. + */ + if (zp->z_blksz > ZTOZSB(zp)->z_max_blksz) { + /* + * File's blocksize is already larger than the + * "recordsize" property. Only let it grow to + * the next power of 2. + */ + ASSERT(!ISP2(zp->z_blksz)); + newblksz = MIN(end, 1 << highbit64(zp->z_blksz)); + } else { + newblksz = MIN(end, ZTOZSB(zp)->z_max_blksz); + } + dmu_tx_hold_write(tx, zp->z_id, 0, newblksz); + } else { + newblksz = 0; + } + + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + zfs_range_unlock(rl); + return (error); + } + + if (newblksz) + zfs_grow_blocksize(zp, newblksz, tx); + + zp->z_size = end; + + VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_SIZE(ZTOZSB(zp)), + &zp->z_size, sizeof (zp->z_size), tx)); + + zfs_range_unlock(rl); + + dmu_tx_commit(tx); + + return (0); +} + +/* + * zfs_zero_partial_page - Modeled after update_pages() but + * with different arguments and semantics for use by zfs_freesp(). + * + * Zeroes a piece of a single page cache entry for zp at offset + * start and length len. + * + * Caller must acquire a range lock on the file for the region + * being zeroed in order that the ARC and page cache stay in sync. + */ +static void +zfs_zero_partial_page(znode_t *zp, uint64_t start, uint64_t len) +{ + struct address_space *mp = ZTOI(zp)->i_mapping; + struct page *pp; + int64_t off; + void *pb; + + ASSERT((start & PAGE_MASK) == ((start + len - 1) & PAGE_MASK)); + + off = start & (PAGE_SIZE - 1); + start &= PAGE_MASK; + + pp = find_lock_page(mp, start >> PAGE_SHIFT); + if (pp) { + if (mapping_writably_mapped(mp)) + flush_dcache_page(pp); + + pb = kmap(pp); + bzero(pb + off, len); + kunmap(pp); + + if (mapping_writably_mapped(mp)) + flush_dcache_page(pp); + + mark_page_accessed(pp); + SetPageUptodate(pp); + ClearPageError(pp); + unlock_page(pp); + put_page(pp); + } +} + +/* + * Free space in a file. + * + * IN: zp - znode of file to free data in. + * off - start of section to free. + * len - length of section to free. + * + * RETURN: 0 on success, error code on failure + */ +static int +zfs_free_range(znode_t *zp, uint64_t off, uint64_t len) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + rl_t *rl; + int error; + + /* + * Lock the range being freed. + */ + rl = zfs_range_lock(&zp->z_range_lock, off, len, RL_WRITER); + + /* + * Nothing to do if file already at desired length. + */ + if (off >= zp->z_size) { + zfs_range_unlock(rl); + return (0); + } + + if (off + len > zp->z_size) + len = zp->z_size - off; + + error = dmu_free_long_range(zsb->z_os, zp->z_id, off, len); + + /* + * Zero partial page cache entries. This must be done under a + * range lock in order to keep the ARC and page cache in sync. + */ + if (zp->z_is_mapped) { + loff_t first_page, last_page, page_len; + loff_t first_page_offset, last_page_offset; + + /* first possible full page in hole */ + first_page = (off + PAGE_SIZE - 1) >> PAGE_SHIFT; + /* last page of hole */ + last_page = (off + len) >> PAGE_SHIFT; + + /* offset of first_page */ + first_page_offset = first_page << PAGE_SHIFT; + /* offset of last_page */ + last_page_offset = last_page << PAGE_SHIFT; + + /* truncate whole pages */ + if (last_page_offset > first_page_offset) { + truncate_inode_pages_range(ZTOI(zp)->i_mapping, + first_page_offset, last_page_offset - 1); + } + + /* truncate sub-page ranges */ + if (first_page > last_page) { + /* entire punched area within a single page */ + zfs_zero_partial_page(zp, off, len); + } else { + /* beginning of punched area at the end of a page */ + page_len = first_page_offset - off; + if (page_len > 0) + zfs_zero_partial_page(zp, off, page_len); + + /* end of punched area at the beginning of a page */ + page_len = off + len - last_page_offset; + if (page_len > 0) + zfs_zero_partial_page(zp, last_page_offset, + page_len); + } + } + zfs_range_unlock(rl); + + return (error); +} + +/* + * Truncate a file + * + * IN: zp - znode of file to free data in. + * end - new end-of-file. + * + * RETURN: 0 on success, error code on failure + */ +static int +zfs_trunc(znode_t *zp, uint64_t end) +{ + zfs_sb_t *zsb = ZTOZSB(zp); + dmu_tx_t *tx; + rl_t *rl; + int error; + sa_bulk_attr_t bulk[2]; + int count = 0; + + /* + * We will change zp_size, lock the whole file. + */ + rl = zfs_range_lock(&zp->z_range_lock, 0, UINT64_MAX, RL_WRITER); + + /* + * Nothing to do if file already at desired length. + */ + if (end >= zp->z_size) { + zfs_range_unlock(rl); + return (0); + } + + error = dmu_free_long_range(zsb->z_os, zp->z_id, end, -1); + if (error) { + zfs_range_unlock(rl); + return (error); + } + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, zp); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + zfs_range_unlock(rl); + return (error); + } + + zp->z_size = end; + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zsb), + NULL, &zp->z_size, sizeof (zp->z_size)); + + if (end == 0) { + zp->z_pflags &= ~ZFS_SPARSE; + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), + NULL, &zp->z_pflags, 8); + } + VERIFY(sa_bulk_update(zp->z_sa_hdl, bulk, count, tx) == 0); + + dmu_tx_commit(tx); + + zfs_range_unlock(rl); + + return (0); +} + +/* + * Free space in a file + * + * IN: zp - znode of file to free data in. + * off - start of range + * len - end of range (0 => EOF) + * flag - current file open mode flags. + * log - TRUE if this action should be logged + * + * RETURN: 0 on success, error code on failure + */ +int +zfs_freesp(znode_t *zp, uint64_t off, uint64_t len, int flag, boolean_t log) +{ + dmu_tx_t *tx; + zfs_sb_t *zsb = ZTOZSB(zp); + zilog_t *zilog = zsb->z_log; + uint64_t mode; + uint64_t mtime[2], ctime[2]; + sa_bulk_attr_t bulk[3]; + int count = 0; + int error; + + if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_MODE(zsb), &mode, + sizeof (mode))) != 0) + return (error); + + if (off > zp->z_size) { + error = zfs_extend(zp, off+len); + if (error == 0 && log) + goto log; + goto out; + } + + if (len == 0) { + error = zfs_trunc(zp, off); + } else { + if ((error = zfs_free_range(zp, off, len)) == 0 && + off + len > zp->z_size) + error = zfs_extend(zp, off+len); + } + if (error || !log) + goto out; +log: + tx = dmu_tx_create(zsb->z_os); + dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); + zfs_sa_upgrade_txholds(tx, zp); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + goto out; + } + + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zsb), NULL, mtime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zsb), NULL, ctime, 16); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), + NULL, &zp->z_pflags, 8); + zfs_tstamp_update_setup(zp, CONTENT_MODIFIED, mtime, ctime); + error = sa_bulk_update(zp->z_sa_hdl, bulk, count, tx); + ASSERT(error == 0); + + zfs_log_truncate(zilog, tx, TX_TRUNCATE, zp, off, len); + + dmu_tx_commit(tx); + + zfs_inode_update(zp); + error = 0; + +out: + /* + * Truncate the page cache - for file truncate operations, use + * the purpose-built API for truncations. For punching operations, + * the truncation is handled under a range lock in zfs_free_range. + */ + if (len == 0) + truncate_setsize(ZTOI(zp), off); + return (error); +} + +void +zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *zplprops, dmu_tx_t *tx) +{ + struct super_block *sb; + zfs_sb_t *zsb; + uint64_t moid, obj, sa_obj, version; + uint64_t sense = ZFS_CASE_SENSITIVE; + uint64_t norm = 0; + nvpair_t *elem; + int size; + int error; + int i; + znode_t *rootzp = NULL; + vattr_t vattr; + znode_t *zp; + zfs_acl_ids_t acl_ids; + + /* + * First attempt to create master node. + */ + /* + * In an empty objset, there are no blocks to read and thus + * there can be no i/o errors (which we assert below). + */ + moid = MASTER_NODE_OBJ; + error = zap_create_claim(os, moid, DMU_OT_MASTER_NODE, + DMU_OT_NONE, 0, tx); + ASSERT(error == 0); + + /* + * Set starting attributes. + */ + version = zfs_zpl_version_map(spa_version(dmu_objset_spa(os))); + elem = NULL; + while ((elem = nvlist_next_nvpair(zplprops, elem)) != NULL) { + /* For the moment we expect all zpl props to be uint64_ts */ + uint64_t val; + char *name; + + ASSERT(nvpair_type(elem) == DATA_TYPE_UINT64); + VERIFY(nvpair_value_uint64(elem, &val) == 0); + name = nvpair_name(elem); + if (strcmp(name, zfs_prop_to_name(ZFS_PROP_VERSION)) == 0) { + if (val < version) + version = val; + } else { + error = zap_update(os, moid, name, 8, 1, &val, tx); + } + ASSERT(error == 0); + if (strcmp(name, zfs_prop_to_name(ZFS_PROP_NORMALIZE)) == 0) + norm = val; + else if (strcmp(name, zfs_prop_to_name(ZFS_PROP_CASE)) == 0) + sense = val; + } + ASSERT(version != 0); + error = zap_update(os, moid, ZPL_VERSION_STR, 8, 1, &version, tx); + + /* + * Create zap object used for SA attribute registration + */ + + if (version >= ZPL_VERSION_SA) { + sa_obj = zap_create(os, DMU_OT_SA_MASTER_NODE, + DMU_OT_NONE, 0, tx); + error = zap_add(os, moid, ZFS_SA_ATTRS, 8, 1, &sa_obj, tx); + ASSERT(error == 0); + } else { + sa_obj = 0; + } + /* + * Create a delete queue. + */ + obj = zap_create(os, DMU_OT_UNLINKED_SET, DMU_OT_NONE, 0, tx); + + error = zap_add(os, moid, ZFS_UNLINKED_SET, 8, 1, &obj, tx); + ASSERT(error == 0); + + /* + * Create root znode. Create minimal znode/inode/zsb/sb + * to allow zfs_mknode to work. + */ + vattr.va_mask = ATTR_MODE|ATTR_UID|ATTR_GID; + vattr.va_mode = S_IFDIR|0755; + vattr.va_uid = crgetuid(cr); + vattr.va_gid = crgetgid(cr); + + rootzp = kmem_cache_alloc(znode_cache, KM_SLEEP); + rootzp->z_moved = 0; + rootzp->z_unlinked = 0; + rootzp->z_atime_dirty = 0; + rootzp->z_is_sa = USE_SA(version, os); + + zsb = kmem_zalloc(sizeof (zfs_sb_t), KM_SLEEP); + zsb->z_os = os; + zsb->z_parent = zsb; + zsb->z_version = version; + zsb->z_use_fuids = USE_FUIDS(version, os); + zsb->z_use_sa = USE_SA(version, os); + zsb->z_norm = norm; + + sb = kmem_zalloc(sizeof (struct super_block), KM_SLEEP); + sb->s_fs_info = zsb; + + ZTOI(rootzp)->i_sb = sb; + + error = sa_setup(os, sa_obj, zfs_attr_table, ZPL_END, + &zsb->z_attr_table); + + ASSERT(error == 0); + + /* + * Fold case on file systems that are always or sometimes case + * insensitive. + */ + if (sense == ZFS_CASE_INSENSITIVE || sense == ZFS_CASE_MIXED) + zsb->z_norm |= U8_TEXTPREP_TOUPPER; + + mutex_init(&zsb->z_znodes_lock, NULL, MUTEX_DEFAULT, NULL); + list_create(&zsb->z_all_znodes, sizeof (znode_t), + offsetof(znode_t, z_link_node)); + + size = MIN(1 << (highbit64(zfs_object_mutex_size)-1), ZFS_OBJ_MTX_MAX); + zsb->z_hold_size = size; + zsb->z_hold_trees = vmem_zalloc(sizeof (avl_tree_t) * size, KM_SLEEP); + zsb->z_hold_locks = vmem_zalloc(sizeof (kmutex_t) * size, KM_SLEEP); + for (i = 0; i != size; i++) { + avl_create(&zsb->z_hold_trees[i], zfs_znode_hold_compare, + sizeof (znode_hold_t), offsetof(znode_hold_t, zh_node)); + mutex_init(&zsb->z_hold_locks[i], NULL, MUTEX_DEFAULT, NULL); + } + + VERIFY(0 == zfs_acl_ids_create(rootzp, IS_ROOT_NODE, &vattr, + cr, NULL, &acl_ids)); + zfs_mknode(rootzp, &vattr, tx, cr, IS_ROOT_NODE, &zp, &acl_ids); + ASSERT3P(zp, ==, rootzp); + error = zap_add(os, moid, ZFS_ROOT_OBJ, 8, 1, &rootzp->z_id, tx); + ASSERT(error == 0); + zfs_acl_ids_free(&acl_ids); + + atomic_set(&ZTOI(rootzp)->i_count, 0); + sa_handle_destroy(rootzp->z_sa_hdl); + kmem_cache_free(znode_cache, rootzp); + + /* + * Create shares directory + */ + error = zfs_create_share_dir(zsb, tx); + ASSERT(error == 0); + + for (i = 0; i != size; i++) { + avl_destroy(&zsb->z_hold_trees[i]); + mutex_destroy(&zsb->z_hold_locks[i]); + } + + vmem_free(zsb->z_hold_trees, sizeof (avl_tree_t) * size); + vmem_free(zsb->z_hold_locks, sizeof (kmutex_t) * size); + kmem_free(sb, sizeof (struct super_block)); + kmem_free(zsb, sizeof (zfs_sb_t)); +} +#endif /* _KERNEL */ + +static int +zfs_sa_setup(objset_t *osp, sa_attr_type_t **sa_table) +{ + uint64_t sa_obj = 0; + int error; + + error = zap_lookup(osp, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 8, 1, &sa_obj); + if (error != 0 && error != ENOENT) + return (error); + + error = sa_setup(osp, sa_obj, zfs_attr_table, ZPL_END, sa_table); + return (error); +} + +static int +zfs_grab_sa_handle(objset_t *osp, uint64_t obj, sa_handle_t **hdlp, + dmu_buf_t **db, void *tag) +{ + dmu_object_info_t doi; + int error; + + if ((error = sa_buf_hold(osp, obj, tag, db)) != 0) + return (error); + + dmu_object_info_from_db(*db, &doi); + if ((doi.doi_bonus_type != DMU_OT_SA && + doi.doi_bonus_type != DMU_OT_ZNODE) || + (doi.doi_bonus_type == DMU_OT_ZNODE && + doi.doi_bonus_size < sizeof (znode_phys_t))) { + sa_buf_rele(*db, tag); + return (SET_ERROR(ENOTSUP)); + } + + error = sa_handle_get(osp, obj, NULL, SA_HDL_PRIVATE, hdlp); + if (error != 0) { + sa_buf_rele(*db, tag); + return (error); + } + + return (0); +} + +void +zfs_release_sa_handle(sa_handle_t *hdl, dmu_buf_t *db, void *tag) +{ + sa_handle_destroy(hdl); + sa_buf_rele(db, tag); +} + +/* + * Given an object number, return its parent object number and whether + * or not the object is an extended attribute directory. + */ +static int +zfs_obj_to_pobj(sa_handle_t *hdl, sa_attr_type_t *sa_table, uint64_t *pobjp, + int *is_xattrdir) +{ + uint64_t parent; + uint64_t pflags; + uint64_t mode; + sa_bulk_attr_t bulk[3]; + int count = 0; + int error; + + SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_PARENT], NULL, + &parent, sizeof (parent)); + SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_FLAGS], NULL, + &pflags, sizeof (pflags)); + SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_MODE], NULL, + &mode, sizeof (mode)); + + if ((error = sa_bulk_lookup(hdl, bulk, count)) != 0) + return (error); + + *pobjp = parent; + *is_xattrdir = ((pflags & ZFS_XATTR) != 0) && S_ISDIR(mode); + + return (0); +} + +/* + * Given an object number, return some zpl level statistics + */ +static int +zfs_obj_to_stats_impl(sa_handle_t *hdl, sa_attr_type_t *sa_table, + zfs_stat_t *sb) +{ + sa_bulk_attr_t bulk[4]; + int count = 0; + + SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_MODE], NULL, + &sb->zs_mode, sizeof (sb->zs_mode)); + SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_GEN], NULL, + &sb->zs_gen, sizeof (sb->zs_gen)); + SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_LINKS], NULL, + &sb->zs_links, sizeof (sb->zs_links)); + SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_CTIME], NULL, + &sb->zs_ctime, sizeof (sb->zs_ctime)); + + return (sa_bulk_lookup(hdl, bulk, count)); +} + +static int +zfs_obj_to_path_impl(objset_t *osp, uint64_t obj, sa_handle_t *hdl, + sa_attr_type_t *sa_table, char *buf, int len) +{ + sa_handle_t *sa_hdl; + sa_handle_t *prevhdl = NULL; + dmu_buf_t *prevdb = NULL; + dmu_buf_t *sa_db = NULL; + char *path = buf + len - 1; + int error; + + *path = '\0'; + sa_hdl = hdl; + + for (;;) { + uint64_t pobj = 0; + char component[MAXNAMELEN + 2]; + size_t complen; + int is_xattrdir = 0; + + if (prevdb) + zfs_release_sa_handle(prevhdl, prevdb, FTAG); + + if ((error = zfs_obj_to_pobj(sa_hdl, sa_table, &pobj, + &is_xattrdir)) != 0) + break; + + if (pobj == obj) { + if (path[0] != '/') + *--path = '/'; + break; + } + + component[0] = '/'; + if (is_xattrdir) { + (void) sprintf(component + 1, ""); + } else { + error = zap_value_search(osp, pobj, obj, + ZFS_DIRENT_OBJ(-1ULL), component + 1); + if (error != 0) + break; + } + + complen = strlen(component); + path -= complen; + ASSERT(path >= buf); + bcopy(component, path, complen); + obj = pobj; + + if (sa_hdl != hdl) { + prevhdl = sa_hdl; + prevdb = sa_db; + } + error = zfs_grab_sa_handle(osp, obj, &sa_hdl, &sa_db, FTAG); + if (error != 0) { + sa_hdl = prevhdl; + sa_db = prevdb; + break; + } + } + + if (sa_hdl != NULL && sa_hdl != hdl) { + ASSERT(sa_db != NULL); + zfs_release_sa_handle(sa_hdl, sa_db, FTAG); + } + + if (error == 0) + (void) memmove(buf, path, buf + len - path); + + return (error); +} + +int +zfs_obj_to_path(objset_t *osp, uint64_t obj, char *buf, int len) +{ + sa_attr_type_t *sa_table; + sa_handle_t *hdl; + dmu_buf_t *db; + int error; + + error = zfs_sa_setup(osp, &sa_table); + if (error != 0) + return (error); + + error = zfs_grab_sa_handle(osp, obj, &hdl, &db, FTAG); + if (error != 0) + return (error); + + error = zfs_obj_to_path_impl(osp, obj, hdl, sa_table, buf, len); + + zfs_release_sa_handle(hdl, db, FTAG); + return (error); +} + +int +zfs_obj_to_stats(objset_t *osp, uint64_t obj, zfs_stat_t *sb, + char *buf, int len) +{ + char *path = buf + len - 1; + sa_attr_type_t *sa_table; + sa_handle_t *hdl; + dmu_buf_t *db; + int error; + + *path = '\0'; + + error = zfs_sa_setup(osp, &sa_table); + if (error != 0) + return (error); + + error = zfs_grab_sa_handle(osp, obj, &hdl, &db, FTAG); + if (error != 0) + return (error); + + error = zfs_obj_to_stats_impl(hdl, sa_table, sb); + if (error != 0) { + zfs_release_sa_handle(hdl, db, FTAG); + return (error); + } + + error = zfs_obj_to_path_impl(osp, obj, hdl, sa_table, buf, len); + + zfs_release_sa_handle(hdl, db, FTAG); + return (error); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zfs_create_fs); +EXPORT_SYMBOL(zfs_obj_to_path); + +module_param(zfs_object_mutex_size, uint, 0644); +MODULE_PARM_DESC(zfs_object_mutex_size, "Size of znode hold array"); +#endif diff --git a/zfs/module/zfs/zil.c b/zfs/module/zfs/zil.c new file mode 100644 index 000000000000..289b23c7f488 --- /dev/null +++ b/zfs/module/zfs/zil.c @@ -0,0 +1,2285 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + */ + +/* Portions Copyright 2010 Robert Milkowski */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * The zfs intent log (ZIL) saves transaction records of system calls + * that change the file system in memory with enough information + * to be able to replay them. These are stored in memory until + * either the DMU transaction group (txg) commits them to the stable pool + * and they can be discarded, or they are flushed to the stable log + * (also in the pool) due to a fsync, O_DSYNC or other synchronous + * requirement. In the event of a panic or power fail then those log + * records (transactions) are replayed. + * + * There is one ZIL per file system. Its on-disk (pool) format consists + * of 3 parts: + * + * - ZIL header + * - ZIL blocks + * - ZIL records + * + * A log record holds a system call transaction. Log blocks can + * hold many log records and the blocks are chained together. + * Each ZIL block contains a block pointer (blkptr_t) to the next + * ZIL block in the chain. The ZIL header points to the first + * block in the chain. Note there is not a fixed place in the pool + * to hold blocks. They are dynamically allocated and freed as + * needed from the blocks available. Figure X shows the ZIL structure: + */ + +/* + * See zil.h for more information about these fields. + */ +zil_stats_t zil_stats = { + { "zil_commit_count", KSTAT_DATA_UINT64 }, + { "zil_commit_writer_count", KSTAT_DATA_UINT64 }, + { "zil_itx_count", KSTAT_DATA_UINT64 }, + { "zil_itx_indirect_count", KSTAT_DATA_UINT64 }, + { "zil_itx_indirect_bytes", KSTAT_DATA_UINT64 }, + { "zil_itx_copied_count", KSTAT_DATA_UINT64 }, + { "zil_itx_copied_bytes", KSTAT_DATA_UINT64 }, + { "zil_itx_needcopy_count", KSTAT_DATA_UINT64 }, + { "zil_itx_needcopy_bytes", KSTAT_DATA_UINT64 }, + { "zil_itx_metaslab_normal_count", KSTAT_DATA_UINT64 }, + { "zil_itx_metaslab_normal_bytes", KSTAT_DATA_UINT64 }, + { "zil_itx_metaslab_slog_count", KSTAT_DATA_UINT64 }, + { "zil_itx_metaslab_slog_bytes", KSTAT_DATA_UINT64 }, +}; + +static kstat_t *zil_ksp; + +/* + * Disable intent logging replay. This global ZIL switch affects all pools. + */ +int zil_replay_disable = 0; + +/* + * Tunable parameter for debugging or performance analysis. Setting + * zfs_nocacheflush will cause corruption on power loss if a volatile + * out-of-order write cache is enabled. + */ +int zfs_nocacheflush = 0; + +static kmem_cache_t *zil_lwb_cache; + +static void zil_async_to_sync(zilog_t *zilog, uint64_t foid); + +#define LWB_EMPTY(lwb) ((BP_GET_LSIZE(&lwb->lwb_blk) - \ + sizeof (zil_chain_t)) == (lwb->lwb_sz - lwb->lwb_nused)) + + +/* + * ziltest is by and large an ugly hack, but very useful in + * checking replay without tedious work. + * When running ziltest we want to keep all itx's and so maintain + * a single list in the zl_itxg[] that uses a high txg: ZILTEST_TXG + * We subtract TXG_CONCURRENT_STATES to allow for common code. + */ +#define ZILTEST_TXG (UINT64_MAX - TXG_CONCURRENT_STATES) + +static int +zil_bp_compare(const void *x1, const void *x2) +{ + const dva_t *dva1 = &((zil_bp_node_t *)x1)->zn_dva; + const dva_t *dva2 = &((zil_bp_node_t *)x2)->zn_dva; + + if (DVA_GET_VDEV(dva1) < DVA_GET_VDEV(dva2)) + return (-1); + if (DVA_GET_VDEV(dva1) > DVA_GET_VDEV(dva2)) + return (1); + + if (DVA_GET_OFFSET(dva1) < DVA_GET_OFFSET(dva2)) + return (-1); + if (DVA_GET_OFFSET(dva1) > DVA_GET_OFFSET(dva2)) + return (1); + + return (0); +} + +static void +zil_bp_tree_init(zilog_t *zilog) +{ + avl_create(&zilog->zl_bp_tree, zil_bp_compare, + sizeof (zil_bp_node_t), offsetof(zil_bp_node_t, zn_node)); +} + +static void +zil_bp_tree_fini(zilog_t *zilog) +{ + avl_tree_t *t = &zilog->zl_bp_tree; + zil_bp_node_t *zn; + void *cookie = NULL; + + while ((zn = avl_destroy_nodes(t, &cookie)) != NULL) + kmem_free(zn, sizeof (zil_bp_node_t)); + + avl_destroy(t); +} + +int +zil_bp_tree_add(zilog_t *zilog, const blkptr_t *bp) +{ + avl_tree_t *t = &zilog->zl_bp_tree; + const dva_t *dva; + zil_bp_node_t *zn; + avl_index_t where; + + if (BP_IS_EMBEDDED(bp)) + return (0); + + dva = BP_IDENTITY(bp); + + if (avl_find(t, dva, &where) != NULL) + return (SET_ERROR(EEXIST)); + + zn = kmem_alloc(sizeof (zil_bp_node_t), KM_SLEEP); + zn->zn_dva = *dva; + avl_insert(t, zn, where); + + return (0); +} + +static zil_header_t * +zil_header_in_syncing_context(zilog_t *zilog) +{ + return ((zil_header_t *)zilog->zl_header); +} + +static void +zil_init_log_chain(zilog_t *zilog, blkptr_t *bp) +{ + zio_cksum_t *zc = &bp->blk_cksum; + + zc->zc_word[ZIL_ZC_GUID_0] = spa_get_random(-1ULL); + zc->zc_word[ZIL_ZC_GUID_1] = spa_get_random(-1ULL); + zc->zc_word[ZIL_ZC_OBJSET] = dmu_objset_id(zilog->zl_os); + zc->zc_word[ZIL_ZC_SEQ] = 1ULL; +} + +/* + * Read a log block and make sure it's valid. + */ +static int +zil_read_log_block(zilog_t *zilog, const blkptr_t *bp, blkptr_t *nbp, void *dst, + char **end) +{ + enum zio_flag zio_flags = ZIO_FLAG_CANFAIL; + arc_flags_t aflags = ARC_FLAG_WAIT; + arc_buf_t *abuf = NULL; + zbookmark_phys_t zb; + int error; + + if (zilog->zl_header->zh_claim_txg == 0) + zio_flags |= ZIO_FLAG_SPECULATIVE | ZIO_FLAG_SCRUB; + + if (!(zilog->zl_header->zh_flags & ZIL_CLAIM_LR_SEQ_VALID)) + zio_flags |= ZIO_FLAG_SPECULATIVE; + + SET_BOOKMARK(&zb, bp->blk_cksum.zc_word[ZIL_ZC_OBJSET], + ZB_ZIL_OBJECT, ZB_ZIL_LEVEL, bp->blk_cksum.zc_word[ZIL_ZC_SEQ]); + + error = arc_read(NULL, zilog->zl_spa, bp, arc_getbuf_func, &abuf, + ZIO_PRIORITY_SYNC_READ, zio_flags, &aflags, &zb); + + if (error == 0) { + zio_cksum_t cksum = bp->blk_cksum; + + /* + * Validate the checksummed log block. + * + * Sequence numbers should be... sequential. The checksum + * verifier for the next block should be bp's checksum plus 1. + * + * Also check the log chain linkage and size used. + */ + cksum.zc_word[ZIL_ZC_SEQ]++; + + if (BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_ZILOG2) { + zil_chain_t *zilc = abuf->b_data; + char *lr = (char *)(zilc + 1); + uint64_t len = zilc->zc_nused - sizeof (zil_chain_t); + + if (bcmp(&cksum, &zilc->zc_next_blk.blk_cksum, + sizeof (cksum)) || BP_IS_HOLE(&zilc->zc_next_blk)) { + error = SET_ERROR(ECKSUM); + } else { + ASSERT3U(len, <=, SPA_OLD_MAXBLOCKSIZE); + bcopy(lr, dst, len); + *end = (char *)dst + len; + *nbp = zilc->zc_next_blk; + } + } else { + char *lr = abuf->b_data; + uint64_t size = BP_GET_LSIZE(bp); + zil_chain_t *zilc = (zil_chain_t *)(lr + size) - 1; + + if (bcmp(&cksum, &zilc->zc_next_blk.blk_cksum, + sizeof (cksum)) || BP_IS_HOLE(&zilc->zc_next_blk) || + (zilc->zc_nused > (size - sizeof (*zilc)))) { + error = SET_ERROR(ECKSUM); + } else { + ASSERT3U(zilc->zc_nused, <=, + SPA_OLD_MAXBLOCKSIZE); + bcopy(lr, dst, zilc->zc_nused); + *end = (char *)dst + zilc->zc_nused; + *nbp = zilc->zc_next_blk; + } + } + + VERIFY(arc_buf_remove_ref(abuf, &abuf)); + } + + return (error); +} + +/* + * Read a TX_WRITE log data block. + */ +static int +zil_read_log_data(zilog_t *zilog, const lr_write_t *lr, void *wbuf) +{ + enum zio_flag zio_flags = ZIO_FLAG_CANFAIL; + const blkptr_t *bp = &lr->lr_blkptr; + arc_flags_t aflags = ARC_FLAG_WAIT; + arc_buf_t *abuf = NULL; + zbookmark_phys_t zb; + int error; + + if (BP_IS_HOLE(bp)) { + if (wbuf != NULL) + bzero(wbuf, MAX(BP_GET_LSIZE(bp), lr->lr_length)); + return (0); + } + + if (zilog->zl_header->zh_claim_txg == 0) + zio_flags |= ZIO_FLAG_SPECULATIVE | ZIO_FLAG_SCRUB; + + SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), lr->lr_foid, + ZB_ZIL_LEVEL, lr->lr_offset / BP_GET_LSIZE(bp)); + + error = arc_read(NULL, zilog->zl_spa, bp, arc_getbuf_func, &abuf, + ZIO_PRIORITY_SYNC_READ, zio_flags, &aflags, &zb); + + if (error == 0) { + if (wbuf != NULL) + bcopy(abuf->b_data, wbuf, arc_buf_size(abuf)); + (void) arc_buf_remove_ref(abuf, &abuf); + } + + return (error); +} + +/* + * Parse the intent log, and call parse_func for each valid record within. + */ +int +zil_parse(zilog_t *zilog, zil_parse_blk_func_t *parse_blk_func, + zil_parse_lr_func_t *parse_lr_func, void *arg, uint64_t txg) +{ + const zil_header_t *zh = zilog->zl_header; + boolean_t claimed = !!zh->zh_claim_txg; + uint64_t claim_blk_seq = claimed ? zh->zh_claim_blk_seq : UINT64_MAX; + uint64_t claim_lr_seq = claimed ? zh->zh_claim_lr_seq : UINT64_MAX; + uint64_t max_blk_seq = 0; + uint64_t max_lr_seq = 0; + uint64_t blk_count = 0; + uint64_t lr_count = 0; + blkptr_t blk, next_blk; + char *lrbuf, *lrp; + int error = 0; + + bzero(&next_blk, sizeof (blkptr_t)); + + /* + * Old logs didn't record the maximum zh_claim_lr_seq. + */ + if (!(zh->zh_flags & ZIL_CLAIM_LR_SEQ_VALID)) + claim_lr_seq = UINT64_MAX; + + /* + * Starting at the block pointed to by zh_log we read the log chain. + * For each block in the chain we strongly check that block to + * ensure its validity. We stop when an invalid block is found. + * For each block pointer in the chain we call parse_blk_func(). + * For each record in each valid block we call parse_lr_func(). + * If the log has been claimed, stop if we encounter a sequence + * number greater than the highest claimed sequence number. + */ + lrbuf = zio_buf_alloc(SPA_OLD_MAXBLOCKSIZE); + zil_bp_tree_init(zilog); + + for (blk = zh->zh_log; !BP_IS_HOLE(&blk); blk = next_blk) { + uint64_t blk_seq = blk.blk_cksum.zc_word[ZIL_ZC_SEQ]; + int reclen; + char *end = NULL; + + if (blk_seq > claim_blk_seq) + break; + if ((error = parse_blk_func(zilog, &blk, arg, txg)) != 0) + break; + ASSERT3U(max_blk_seq, <, blk_seq); + max_blk_seq = blk_seq; + blk_count++; + + if (max_lr_seq == claim_lr_seq && max_blk_seq == claim_blk_seq) + break; + + error = zil_read_log_block(zilog, &blk, &next_blk, lrbuf, &end); + if (error != 0) + break; + + for (lrp = lrbuf; lrp < end; lrp += reclen) { + lr_t *lr = (lr_t *)lrp; + reclen = lr->lrc_reclen; + ASSERT3U(reclen, >=, sizeof (lr_t)); + if (lr->lrc_seq > claim_lr_seq) + goto done; + if ((error = parse_lr_func(zilog, lr, arg, txg)) != 0) + goto done; + ASSERT3U(max_lr_seq, <, lr->lrc_seq); + max_lr_seq = lr->lrc_seq; + lr_count++; + } + } +done: + zilog->zl_parse_error = error; + zilog->zl_parse_blk_seq = max_blk_seq; + zilog->zl_parse_lr_seq = max_lr_seq; + zilog->zl_parse_blk_count = blk_count; + zilog->zl_parse_lr_count = lr_count; + + ASSERT(!claimed || !(zh->zh_flags & ZIL_CLAIM_LR_SEQ_VALID) || + (max_blk_seq == claim_blk_seq && max_lr_seq == claim_lr_seq)); + + zil_bp_tree_fini(zilog); + zio_buf_free(lrbuf, SPA_OLD_MAXBLOCKSIZE); + + return (error); +} + +static int +zil_claim_log_block(zilog_t *zilog, blkptr_t *bp, void *tx, uint64_t first_txg) +{ + /* + * Claim log block if not already committed and not already claimed. + * If tx == NULL, just verify that the block is claimable. + */ + if (BP_IS_HOLE(bp) || bp->blk_birth < first_txg || + zil_bp_tree_add(zilog, bp) != 0) + return (0); + + return (zio_wait(zio_claim(NULL, zilog->zl_spa, + tx == NULL ? 0 : first_txg, bp, spa_claim_notify, NULL, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | ZIO_FLAG_SCRUB))); +} + +static int +zil_claim_log_record(zilog_t *zilog, lr_t *lrc, void *tx, uint64_t first_txg) +{ + lr_write_t *lr = (lr_write_t *)lrc; + int error; + + if (lrc->lrc_txtype != TX_WRITE) + return (0); + + /* + * If the block is not readable, don't claim it. This can happen + * in normal operation when a log block is written to disk before + * some of the dmu_sync() blocks it points to. In this case, the + * transaction cannot have been committed to anyone (we would have + * waited for all writes to be stable first), so it is semantically + * correct to declare this the end of the log. + */ + if (lr->lr_blkptr.blk_birth >= first_txg && + (error = zil_read_log_data(zilog, lr, NULL)) != 0) + return (error); + return (zil_claim_log_block(zilog, &lr->lr_blkptr, tx, first_txg)); +} + +/* ARGSUSED */ +static int +zil_free_log_block(zilog_t *zilog, blkptr_t *bp, void *tx, uint64_t claim_txg) +{ + zio_free_zil(zilog->zl_spa, dmu_tx_get_txg(tx), bp); + + return (0); +} + +static int +zil_free_log_record(zilog_t *zilog, lr_t *lrc, void *tx, uint64_t claim_txg) +{ + lr_write_t *lr = (lr_write_t *)lrc; + blkptr_t *bp = &lr->lr_blkptr; + + /* + * If we previously claimed it, we need to free it. + */ + if (claim_txg != 0 && lrc->lrc_txtype == TX_WRITE && + bp->blk_birth >= claim_txg && zil_bp_tree_add(zilog, bp) == 0 && + !BP_IS_HOLE(bp)) + zio_free(zilog->zl_spa, dmu_tx_get_txg(tx), bp); + + return (0); +} + +static lwb_t * +zil_alloc_lwb(zilog_t *zilog, blkptr_t *bp, uint64_t txg, boolean_t fastwrite) +{ + lwb_t *lwb; + + lwb = kmem_cache_alloc(zil_lwb_cache, KM_SLEEP); + lwb->lwb_zilog = zilog; + lwb->lwb_blk = *bp; + lwb->lwb_fastwrite = fastwrite; + lwb->lwb_buf = zio_buf_alloc(BP_GET_LSIZE(bp)); + lwb->lwb_max_txg = txg; + lwb->lwb_zio = NULL; + lwb->lwb_tx = NULL; + if (BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_ZILOG2) { + lwb->lwb_nused = sizeof (zil_chain_t); + lwb->lwb_sz = BP_GET_LSIZE(bp); + } else { + lwb->lwb_nused = 0; + lwb->lwb_sz = BP_GET_LSIZE(bp) - sizeof (zil_chain_t); + } + + mutex_enter(&zilog->zl_lock); + list_insert_tail(&zilog->zl_lwb_list, lwb); + mutex_exit(&zilog->zl_lock); + + return (lwb); +} + +/* + * Called when we create in-memory log transactions so that we know + * to cleanup the itxs at the end of spa_sync(). + */ +void +zilog_dirty(zilog_t *zilog, uint64_t txg) +{ + dsl_pool_t *dp = zilog->zl_dmu_pool; + dsl_dataset_t *ds = dmu_objset_ds(zilog->zl_os); + + if (ds->ds_is_snapshot) + panic("dirtying snapshot!"); + + if (txg_list_add(&dp->dp_dirty_zilogs, zilog, txg)) { + /* up the hold count until we can be written out */ + dmu_buf_add_ref(ds->ds_dbuf, zilog); + } +} + +boolean_t +zilog_is_dirty(zilog_t *zilog) +{ + dsl_pool_t *dp = zilog->zl_dmu_pool; + int t; + + for (t = 0; t < TXG_SIZE; t++) { + if (txg_list_member(&dp->dp_dirty_zilogs, zilog, t)) + return (B_TRUE); + } + return (B_FALSE); +} + +/* + * Create an on-disk intent log. + */ +static lwb_t * +zil_create(zilog_t *zilog) +{ + const zil_header_t *zh = zilog->zl_header; + lwb_t *lwb = NULL; + uint64_t txg = 0; + dmu_tx_t *tx = NULL; + blkptr_t blk; + int error = 0; + boolean_t fastwrite = FALSE; + + /* + * Wait for any previous destroy to complete. + */ + txg_wait_synced(zilog->zl_dmu_pool, zilog->zl_destroy_txg); + + ASSERT(zh->zh_claim_txg == 0); + ASSERT(zh->zh_replay_seq == 0); + + blk = zh->zh_log; + + /* + * Allocate an initial log block if: + * - there isn't one already + * - the existing block is the wrong endianess + */ + if (BP_IS_HOLE(&blk) || BP_SHOULD_BYTESWAP(&blk)) { + tx = dmu_tx_create(zilog->zl_os); + VERIFY(dmu_tx_assign(tx, TXG_WAIT) == 0); + dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx); + txg = dmu_tx_get_txg(tx); + + if (!BP_IS_HOLE(&blk)) { + zio_free_zil(zilog->zl_spa, txg, &blk); + BP_ZERO(&blk); + } + + error = zio_alloc_zil(zilog->zl_spa, txg, &blk, + ZIL_MIN_BLKSZ, B_TRUE); + fastwrite = TRUE; + + if (error == 0) + zil_init_log_chain(zilog, &blk); + } + + /* + * Allocate a log write buffer (lwb) for the first log block. + */ + if (error == 0) + lwb = zil_alloc_lwb(zilog, &blk, txg, fastwrite); + + /* + * If we just allocated the first log block, commit our transaction + * and wait for zil_sync() to stuff the block poiner into zh_log. + * (zh is part of the MOS, so we cannot modify it in open context.) + */ + if (tx != NULL) { + dmu_tx_commit(tx); + txg_wait_synced(zilog->zl_dmu_pool, txg); + } + + ASSERT(bcmp(&blk, &zh->zh_log, sizeof (blk)) == 0); + + return (lwb); +} + +/* + * In one tx, free all log blocks and clear the log header. + * If keep_first is set, then we're replaying a log with no content. + * We want to keep the first block, however, so that the first + * synchronous transaction doesn't require a txg_wait_synced() + * in zil_create(). We don't need to txg_wait_synced() here either + * when keep_first is set, because both zil_create() and zil_destroy() + * will wait for any in-progress destroys to complete. + */ +void +zil_destroy(zilog_t *zilog, boolean_t keep_first) +{ + const zil_header_t *zh = zilog->zl_header; + lwb_t *lwb; + dmu_tx_t *tx; + uint64_t txg; + + /* + * Wait for any previous destroy to complete. + */ + txg_wait_synced(zilog->zl_dmu_pool, zilog->zl_destroy_txg); + + zilog->zl_old_header = *zh; /* debugging aid */ + + if (BP_IS_HOLE(&zh->zh_log)) + return; + + tx = dmu_tx_create(zilog->zl_os); + VERIFY(dmu_tx_assign(tx, TXG_WAIT) == 0); + dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx); + txg = dmu_tx_get_txg(tx); + + mutex_enter(&zilog->zl_lock); + + ASSERT3U(zilog->zl_destroy_txg, <, txg); + zilog->zl_destroy_txg = txg; + zilog->zl_keep_first = keep_first; + + if (!list_is_empty(&zilog->zl_lwb_list)) { + ASSERT(zh->zh_claim_txg == 0); + VERIFY(!keep_first); + while ((lwb = list_head(&zilog->zl_lwb_list)) != NULL) { + ASSERT(lwb->lwb_zio == NULL); + if (lwb->lwb_fastwrite) + metaslab_fastwrite_unmark(zilog->zl_spa, + &lwb->lwb_blk); + list_remove(&zilog->zl_lwb_list, lwb); + if (lwb->lwb_buf != NULL) + zio_buf_free(lwb->lwb_buf, lwb->lwb_sz); + zio_free_zil(zilog->zl_spa, txg, &lwb->lwb_blk); + kmem_cache_free(zil_lwb_cache, lwb); + } + } else if (!keep_first) { + zil_destroy_sync(zilog, tx); + } + mutex_exit(&zilog->zl_lock); + + dmu_tx_commit(tx); +} + +void +zil_destroy_sync(zilog_t *zilog, dmu_tx_t *tx) +{ + ASSERT(list_is_empty(&zilog->zl_lwb_list)); + (void) zil_parse(zilog, zil_free_log_block, + zil_free_log_record, tx, zilog->zl_header->zh_claim_txg); +} + +int +zil_claim(dsl_pool_t *dp, dsl_dataset_t *ds, void *txarg) +{ + dmu_tx_t *tx = txarg; + uint64_t first_txg = dmu_tx_get_txg(tx); + zilog_t *zilog; + zil_header_t *zh; + objset_t *os; + int error; + + error = dmu_objset_own_obj(dp, ds->ds_object, + DMU_OST_ANY, B_FALSE, FTAG, &os); + if (error != 0) { + /* + * EBUSY indicates that the objset is inconsistent, in which + * case it can not have a ZIL. + */ + if (error != EBUSY) { + cmn_err(CE_WARN, "can't open objset for %llu, error %u", + (unsigned long long)ds->ds_object, error); + } + + return (0); + } + + zilog = dmu_objset_zil(os); + zh = zil_header_in_syncing_context(zilog); + + if (spa_get_log_state(zilog->zl_spa) == SPA_LOG_CLEAR) { + if (!BP_IS_HOLE(&zh->zh_log)) + zio_free_zil(zilog->zl_spa, first_txg, &zh->zh_log); + BP_ZERO(&zh->zh_log); + dsl_dataset_dirty(dmu_objset_ds(os), tx); + dmu_objset_disown(os, FTAG); + return (0); + } + + /* + * Claim all log blocks if we haven't already done so, and remember + * the highest claimed sequence number. This ensures that if we can + * read only part of the log now (e.g. due to a missing device), + * but we can read the entire log later, we will not try to replay + * or destroy beyond the last block we successfully claimed. + */ + ASSERT3U(zh->zh_claim_txg, <=, first_txg); + if (zh->zh_claim_txg == 0 && !BP_IS_HOLE(&zh->zh_log)) { + (void) zil_parse(zilog, zil_claim_log_block, + zil_claim_log_record, tx, first_txg); + zh->zh_claim_txg = first_txg; + zh->zh_claim_blk_seq = zilog->zl_parse_blk_seq; + zh->zh_claim_lr_seq = zilog->zl_parse_lr_seq; + if (zilog->zl_parse_lr_count || zilog->zl_parse_blk_count > 1) + zh->zh_flags |= ZIL_REPLAY_NEEDED; + zh->zh_flags |= ZIL_CLAIM_LR_SEQ_VALID; + dsl_dataset_dirty(dmu_objset_ds(os), tx); + } + + ASSERT3U(first_txg, ==, (spa_last_synced_txg(zilog->zl_spa) + 1)); + dmu_objset_disown(os, FTAG); + return (0); +} + +/* + * Check the log by walking the log chain. + * Checksum errors are ok as they indicate the end of the chain. + * Any other error (no device or read failure) returns an error. + */ +/* ARGSUSED */ +int +zil_check_log_chain(dsl_pool_t *dp, dsl_dataset_t *ds, void *tx) +{ + zilog_t *zilog; + objset_t *os; + blkptr_t *bp; + int error; + + ASSERT(tx == NULL); + + error = dmu_objset_from_ds(ds, &os); + if (error != 0) { + cmn_err(CE_WARN, "can't open objset %llu, error %d", + (unsigned long long)ds->ds_object, error); + return (0); + } + + zilog = dmu_objset_zil(os); + bp = (blkptr_t *)&zilog->zl_header->zh_log; + + /* + * Check the first block and determine if it's on a log device + * which may have been removed or faulted prior to loading this + * pool. If so, there's no point in checking the rest of the log + * as its content should have already been synced to the pool. + */ + if (!BP_IS_HOLE(bp)) { + vdev_t *vd; + boolean_t valid = B_TRUE; + + spa_config_enter(os->os_spa, SCL_STATE, FTAG, RW_READER); + vd = vdev_lookup_top(os->os_spa, DVA_GET_VDEV(&bp->blk_dva[0])); + if (vd->vdev_islog && vdev_is_dead(vd)) + valid = vdev_log_state_valid(vd); + spa_config_exit(os->os_spa, SCL_STATE, FTAG); + + if (!valid) + return (0); + } + + /* + * Because tx == NULL, zil_claim_log_block() will not actually claim + * any blocks, but just determine whether it is possible to do so. + * In addition to checking the log chain, zil_claim_log_block() + * will invoke zio_claim() with a done func of spa_claim_notify(), + * which will update spa_max_claim_txg. See spa_load() for details. + */ + error = zil_parse(zilog, zil_claim_log_block, zil_claim_log_record, tx, + zilog->zl_header->zh_claim_txg ? -1ULL : spa_first_txg(os->os_spa)); + + return ((error == ECKSUM || error == ENOENT) ? 0 : error); +} + +static int +zil_vdev_compare(const void *x1, const void *x2) +{ + const uint64_t v1 = ((zil_vdev_node_t *)x1)->zv_vdev; + const uint64_t v2 = ((zil_vdev_node_t *)x2)->zv_vdev; + + if (v1 < v2) + return (-1); + if (v1 > v2) + return (1); + + return (0); +} + +void +zil_add_block(zilog_t *zilog, const blkptr_t *bp) +{ + avl_tree_t *t = &zilog->zl_vdev_tree; + avl_index_t where; + zil_vdev_node_t *zv, zvsearch; + int ndvas = BP_GET_NDVAS(bp); + int i; + + if (zfs_nocacheflush) + return; + + ASSERT(zilog->zl_writer); + + /* + * Even though we're zl_writer, we still need a lock because the + * zl_get_data() callbacks may have dmu_sync() done callbacks + * that will run concurrently. + */ + mutex_enter(&zilog->zl_vdev_lock); + for (i = 0; i < ndvas; i++) { + zvsearch.zv_vdev = DVA_GET_VDEV(&bp->blk_dva[i]); + if (avl_find(t, &zvsearch, &where) == NULL) { + zv = kmem_alloc(sizeof (*zv), KM_SLEEP); + zv->zv_vdev = zvsearch.zv_vdev; + avl_insert(t, zv, where); + } + } + mutex_exit(&zilog->zl_vdev_lock); +} + +static void +zil_flush_vdevs(zilog_t *zilog) +{ + spa_t *spa = zilog->zl_spa; + avl_tree_t *t = &zilog->zl_vdev_tree; + void *cookie = NULL; + zil_vdev_node_t *zv; + zio_t *zio; + + ASSERT(zilog->zl_writer); + + /* + * We don't need zl_vdev_lock here because we're the zl_writer, + * and all zl_get_data() callbacks are done. + */ + if (avl_numnodes(t) == 0) + return; + + spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); + + zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); + + while ((zv = avl_destroy_nodes(t, &cookie)) != NULL) { + vdev_t *vd = vdev_lookup_top(spa, zv->zv_vdev); + if (vd != NULL) + zio_flush(zio, vd); + kmem_free(zv, sizeof (*zv)); + } + + /* + * Wait for all the flushes to complete. Not all devices actually + * support the DKIOCFLUSHWRITECACHE ioctl, so it's OK if it fails. + */ + (void) zio_wait(zio); + + spa_config_exit(spa, SCL_STATE, FTAG); +} + +/* + * Function called when a log block write completes + */ +static void +zil_lwb_write_done(zio_t *zio) +{ + lwb_t *lwb = zio->io_private; + zilog_t *zilog = lwb->lwb_zilog; + dmu_tx_t *tx = lwb->lwb_tx; + + ASSERT(BP_GET_COMPRESS(zio->io_bp) == ZIO_COMPRESS_OFF); + ASSERT(BP_GET_TYPE(zio->io_bp) == DMU_OT_INTENT_LOG); + ASSERT(BP_GET_LEVEL(zio->io_bp) == 0); + ASSERT(BP_GET_BYTEORDER(zio->io_bp) == ZFS_HOST_BYTEORDER); + ASSERT(!BP_IS_GANG(zio->io_bp)); + ASSERT(!BP_IS_HOLE(zio->io_bp)); + ASSERT(BP_GET_FILL(zio->io_bp) == 0); + + /* + * Ensure the lwb buffer pointer is cleared before releasing + * the txg. If we have had an allocation failure and + * the txg is waiting to sync then we want want zil_sync() + * to remove the lwb so that it's not picked up as the next new + * one in zil_commit_writer(). zil_sync() will only remove + * the lwb if lwb_buf is null. + */ + zio_buf_free(lwb->lwb_buf, lwb->lwb_sz); + mutex_enter(&zilog->zl_lock); + lwb->lwb_zio = NULL; + lwb->lwb_fastwrite = FALSE; + lwb->lwb_buf = NULL; + lwb->lwb_tx = NULL; + mutex_exit(&zilog->zl_lock); + + /* + * Now that we've written this log block, we have a stable pointer + * to the next block in the chain, so it's OK to let the txg in + * which we allocated the next block sync. + */ + dmu_tx_commit(tx); +} + +/* + * Initialize the io for a log block. + */ +static void +zil_lwb_write_init(zilog_t *zilog, lwb_t *lwb) +{ + zbookmark_phys_t zb; + + SET_BOOKMARK(&zb, lwb->lwb_blk.blk_cksum.zc_word[ZIL_ZC_OBJSET], + ZB_ZIL_OBJECT, ZB_ZIL_LEVEL, + lwb->lwb_blk.blk_cksum.zc_word[ZIL_ZC_SEQ]); + + if (zilog->zl_root_zio == NULL) { + zilog->zl_root_zio = zio_root(zilog->zl_spa, NULL, NULL, + ZIO_FLAG_CANFAIL); + } + + /* Lock so zil_sync() doesn't fastwrite_unmark after zio is created */ + mutex_enter(&zilog->zl_lock); + if (lwb->lwb_zio == NULL) { + if (!lwb->lwb_fastwrite) { + metaslab_fastwrite_mark(zilog->zl_spa, &lwb->lwb_blk); + lwb->lwb_fastwrite = 1; + } + lwb->lwb_zio = zio_rewrite(zilog->zl_root_zio, zilog->zl_spa, + 0, &lwb->lwb_blk, lwb->lwb_buf, BP_GET_LSIZE(&lwb->lwb_blk), + zil_lwb_write_done, lwb, ZIO_PRIORITY_SYNC_WRITE, + ZIO_FLAG_CANFAIL | ZIO_FLAG_DONT_PROPAGATE | + ZIO_FLAG_FASTWRITE, &zb); + } + mutex_exit(&zilog->zl_lock); +} + +/* + * Define a limited set of intent log block sizes. + * + * These must be a multiple of 4KB. Note only the amount used (again + * aligned to 4KB) actually gets written. However, we can't always just + * allocate SPA_OLD_MAXBLOCKSIZE as the slog space could be exhausted. + */ +uint64_t zil_block_buckets[] = { + 4096, /* non TX_WRITE */ + 8192+4096, /* data base */ + 32*1024 + 4096, /* NFS writes */ + UINT64_MAX +}; + +/* + * Use the slog as long as the current commit size is less than the + * limit or the total list size is less than 2X the limit. Limit + * checking is disabled by setting zil_slog_limit to UINT64_MAX. + */ +unsigned long zil_slog_limit = 1024 * 1024; +#define USE_SLOG(zilog) (((zilog)->zl_cur_used < zil_slog_limit) || \ + ((zilog)->zl_itx_list_sz < (zil_slog_limit << 1))) + +/* + * Start a log block write and advance to the next log block. + * Calls are serialized. + */ +static lwb_t * +zil_lwb_write_start(zilog_t *zilog, lwb_t *lwb) +{ + lwb_t *nlwb = NULL; + zil_chain_t *zilc; + spa_t *spa = zilog->zl_spa; + blkptr_t *bp; + dmu_tx_t *tx; + uint64_t txg; + uint64_t zil_blksz, wsz; + int i, error; + boolean_t use_slog; + + if (BP_GET_CHECKSUM(&lwb->lwb_blk) == ZIO_CHECKSUM_ZILOG2) { + zilc = (zil_chain_t *)lwb->lwb_buf; + bp = &zilc->zc_next_blk; + } else { + zilc = (zil_chain_t *)(lwb->lwb_buf + lwb->lwb_sz); + bp = &zilc->zc_next_blk; + } + + ASSERT(lwb->lwb_nused <= lwb->lwb_sz); + + /* + * Allocate the next block and save its address in this block + * before writing it in order to establish the log chain. + * Note that if the allocation of nlwb synced before we wrote + * the block that points at it (lwb), we'd leak it if we crashed. + * Therefore, we don't do dmu_tx_commit() until zil_lwb_write_done(). + * We dirty the dataset to ensure that zil_sync() will be called + * to clean up in the event of allocation failure or I/O failure. + */ + tx = dmu_tx_create(zilog->zl_os); + VERIFY(dmu_tx_assign(tx, TXG_WAIT) == 0); + dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx); + txg = dmu_tx_get_txg(tx); + + lwb->lwb_tx = tx; + + /* + * Log blocks are pre-allocated. Here we select the size of the next + * block, based on size used in the last block. + * - first find the smallest bucket that will fit the block from a + * limited set of block sizes. This is because it's faster to write + * blocks allocated from the same metaslab as they are adjacent or + * close. + * - next find the maximum from the new suggested size and an array of + * previous sizes. This lessens a picket fence effect of wrongly + * guesssing the size if we have a stream of say 2k, 64k, 2k, 64k + * requests. + * + * Note we only write what is used, but we can't just allocate + * the maximum block size because we can exhaust the available + * pool log space. + */ + zil_blksz = zilog->zl_cur_used + sizeof (zil_chain_t); + for (i = 0; zil_blksz > zil_block_buckets[i]; i++) + continue; + zil_blksz = zil_block_buckets[i]; + if (zil_blksz == UINT64_MAX) + zil_blksz = SPA_OLD_MAXBLOCKSIZE; + zilog->zl_prev_blks[zilog->zl_prev_rotor] = zil_blksz; + for (i = 0; i < ZIL_PREV_BLKS; i++) + zil_blksz = MAX(zil_blksz, zilog->zl_prev_blks[i]); + zilog->zl_prev_rotor = (zilog->zl_prev_rotor + 1) & (ZIL_PREV_BLKS - 1); + + BP_ZERO(bp); + use_slog = USE_SLOG(zilog); + error = zio_alloc_zil(spa, txg, bp, zil_blksz, + USE_SLOG(zilog)); + if (use_slog) { + ZIL_STAT_BUMP(zil_itx_metaslab_slog_count); + ZIL_STAT_INCR(zil_itx_metaslab_slog_bytes, lwb->lwb_nused); + } else { + ZIL_STAT_BUMP(zil_itx_metaslab_normal_count); + ZIL_STAT_INCR(zil_itx_metaslab_normal_bytes, lwb->lwb_nused); + } + if (error == 0) { + ASSERT3U(bp->blk_birth, ==, txg); + bp->blk_cksum = lwb->lwb_blk.blk_cksum; + bp->blk_cksum.zc_word[ZIL_ZC_SEQ]++; + + /* + * Allocate a new log write buffer (lwb). + */ + nlwb = zil_alloc_lwb(zilog, bp, txg, TRUE); + + /* Record the block for later vdev flushing */ + zil_add_block(zilog, &lwb->lwb_blk); + } + + if (BP_GET_CHECKSUM(&lwb->lwb_blk) == ZIO_CHECKSUM_ZILOG2) { + /* For Slim ZIL only write what is used. */ + wsz = P2ROUNDUP_TYPED(lwb->lwb_nused, ZIL_MIN_BLKSZ, uint64_t); + ASSERT3U(wsz, <=, lwb->lwb_sz); + zio_shrink(lwb->lwb_zio, wsz); + + } else { + wsz = lwb->lwb_sz; + } + + zilc->zc_pad = 0; + zilc->zc_nused = lwb->lwb_nused; + zilc->zc_eck.zec_cksum = lwb->lwb_blk.blk_cksum; + + /* + * clear unused data for security + */ + bzero(lwb->lwb_buf + lwb->lwb_nused, wsz - lwb->lwb_nused); + + zio_nowait(lwb->lwb_zio); /* Kick off the write for the old log block */ + + /* + * If there was an allocation failure then nlwb will be null which + * forces a txg_wait_synced(). + */ + return (nlwb); +} + +static lwb_t * +zil_lwb_commit(zilog_t *zilog, itx_t *itx, lwb_t *lwb) +{ + lr_t *lrc = &itx->itx_lr; /* common log record */ + lr_write_t *lrw = (lr_write_t *)lrc; + char *lr_buf; + uint64_t txg = lrc->lrc_txg; + uint64_t reclen = lrc->lrc_reclen; + uint64_t dlen = 0; + + if (lwb == NULL) + return (NULL); + + ASSERT(lwb->lwb_buf != NULL); + ASSERT(zilog_is_dirty(zilog) || + spa_freeze_txg(zilog->zl_spa) != UINT64_MAX); + + if (lrc->lrc_txtype == TX_WRITE && itx->itx_wr_state == WR_NEED_COPY) + dlen = P2ROUNDUP_TYPED( + lrw->lr_length, sizeof (uint64_t), uint64_t); + + zilog->zl_cur_used += (reclen + dlen); + + zil_lwb_write_init(zilog, lwb); + + /* + * If this record won't fit in the current log block, start a new one. + */ + if (lwb->lwb_nused + reclen + dlen > lwb->lwb_sz) { + lwb = zil_lwb_write_start(zilog, lwb); + if (lwb == NULL) + return (NULL); + zil_lwb_write_init(zilog, lwb); + ASSERT(LWB_EMPTY(lwb)); + if (lwb->lwb_nused + reclen + dlen > lwb->lwb_sz) { + txg_wait_synced(zilog->zl_dmu_pool, txg); + return (lwb); + } + } + + lr_buf = lwb->lwb_buf + lwb->lwb_nused; + bcopy(lrc, lr_buf, reclen); + lrc = (lr_t *)lr_buf; + lrw = (lr_write_t *)lrc; + + ZIL_STAT_BUMP(zil_itx_count); + + /* + * If it's a write, fetch the data or get its blkptr as appropriate. + */ + if (lrc->lrc_txtype == TX_WRITE) { + if (txg > spa_freeze_txg(zilog->zl_spa)) + txg_wait_synced(zilog->zl_dmu_pool, txg); + if (itx->itx_wr_state == WR_COPIED) { + ZIL_STAT_BUMP(zil_itx_copied_count); + ZIL_STAT_INCR(zil_itx_copied_bytes, lrw->lr_length); + } else { + char *dbuf; + int error; + + if (dlen) { + ASSERT(itx->itx_wr_state == WR_NEED_COPY); + dbuf = lr_buf + reclen; + lrw->lr_common.lrc_reclen += dlen; + ZIL_STAT_BUMP(zil_itx_needcopy_count); + ZIL_STAT_INCR(zil_itx_needcopy_bytes, + lrw->lr_length); + } else { + ASSERT(itx->itx_wr_state == WR_INDIRECT); + dbuf = NULL; + ZIL_STAT_BUMP(zil_itx_indirect_count); + ZIL_STAT_INCR(zil_itx_indirect_bytes, + lrw->lr_length); + } + error = zilog->zl_get_data( + itx->itx_private, lrw, dbuf, lwb->lwb_zio); + if (error == EIO) { + txg_wait_synced(zilog->zl_dmu_pool, txg); + return (lwb); + } + if (error != 0) { + ASSERT(error == ENOENT || error == EEXIST || + error == EALREADY); + return (lwb); + } + } + } + + /* + * We're actually making an entry, so update lrc_seq to be the + * log record sequence number. Note that this is generally not + * equal to the itx sequence number because not all transactions + * are synchronous, and sometimes spa_sync() gets there first. + */ + lrc->lrc_seq = ++zilog->zl_lr_seq; /* we are single threaded */ + lwb->lwb_nused += reclen + dlen; + lwb->lwb_max_txg = MAX(lwb->lwb_max_txg, txg); + ASSERT3U(lwb->lwb_nused, <=, lwb->lwb_sz); + ASSERT0(P2PHASE(lwb->lwb_nused, sizeof (uint64_t))); + + return (lwb); +} + +itx_t * +zil_itx_create(uint64_t txtype, size_t lrsize) +{ + itx_t *itx; + + lrsize = P2ROUNDUP_TYPED(lrsize, sizeof (uint64_t), size_t); + + itx = zio_data_buf_alloc(offsetof(itx_t, itx_lr) + lrsize); + itx->itx_lr.lrc_txtype = txtype; + itx->itx_lr.lrc_reclen = lrsize; + itx->itx_sod = lrsize; /* if write & WR_NEED_COPY will be increased */ + itx->itx_lr.lrc_seq = 0; /* defensive */ + itx->itx_sync = B_TRUE; /* default is synchronous */ + itx->itx_callback = NULL; + itx->itx_callback_data = NULL; + + return (itx); +} + +void +zil_itx_destroy(itx_t *itx) +{ + zio_data_buf_free(itx, offsetof(itx_t, itx_lr)+itx->itx_lr.lrc_reclen); +} + +/* + * Free up the sync and async itxs. The itxs_t has already been detached + * so no locks are needed. + */ +static void +zil_itxg_clean(itxs_t *itxs) +{ + itx_t *itx; + list_t *list; + avl_tree_t *t; + void *cookie; + itx_async_node_t *ian; + + list = &itxs->i_sync_list; + while ((itx = list_head(list)) != NULL) { + if (itx->itx_callback != NULL) + itx->itx_callback(itx->itx_callback_data); + list_remove(list, itx); + zil_itx_destroy(itx); + } + + cookie = NULL; + t = &itxs->i_async_tree; + while ((ian = avl_destroy_nodes(t, &cookie)) != NULL) { + list = &ian->ia_list; + while ((itx = list_head(list)) != NULL) { + if (itx->itx_callback != NULL) + itx->itx_callback(itx->itx_callback_data); + list_remove(list, itx); + zil_itx_destroy(itx); + } + list_destroy(list); + kmem_free(ian, sizeof (itx_async_node_t)); + } + avl_destroy(t); + + kmem_free(itxs, sizeof (itxs_t)); +} + +static int +zil_aitx_compare(const void *x1, const void *x2) +{ + const uint64_t o1 = ((itx_async_node_t *)x1)->ia_foid; + const uint64_t o2 = ((itx_async_node_t *)x2)->ia_foid; + + if (o1 < o2) + return (-1); + if (o1 > o2) + return (1); + + return (0); +} + +/* + * Remove all async itx with the given oid. + */ +static void +zil_remove_async(zilog_t *zilog, uint64_t oid) +{ + uint64_t otxg, txg; + itx_async_node_t *ian; + avl_tree_t *t; + avl_index_t where; + list_t clean_list; + itx_t *itx; + + ASSERT(oid != 0); + list_create(&clean_list, sizeof (itx_t), offsetof(itx_t, itx_node)); + + if (spa_freeze_txg(zilog->zl_spa) != UINT64_MAX) /* ziltest support */ + otxg = ZILTEST_TXG; + else + otxg = spa_last_synced_txg(zilog->zl_spa) + 1; + + for (txg = otxg; txg < (otxg + TXG_CONCURRENT_STATES); txg++) { + itxg_t *itxg = &zilog->zl_itxg[txg & TXG_MASK]; + + mutex_enter(&itxg->itxg_lock); + if (itxg->itxg_txg != txg) { + mutex_exit(&itxg->itxg_lock); + continue; + } + + /* + * Locate the object node and append its list. + */ + t = &itxg->itxg_itxs->i_async_tree; + ian = avl_find(t, &oid, &where); + if (ian != NULL) + list_move_tail(&clean_list, &ian->ia_list); + mutex_exit(&itxg->itxg_lock); + } + while ((itx = list_head(&clean_list)) != NULL) { + if (itx->itx_callback != NULL) + itx->itx_callback(itx->itx_callback_data); + list_remove(&clean_list, itx); + zil_itx_destroy(itx); + } + list_destroy(&clean_list); +} + +void +zil_itx_assign(zilog_t *zilog, itx_t *itx, dmu_tx_t *tx) +{ + uint64_t txg; + itxg_t *itxg; + itxs_t *itxs, *clean = NULL; + + /* + * Object ids can be re-instantiated in the next txg so + * remove any async transactions to avoid future leaks. + * This can happen if a fsync occurs on the re-instantiated + * object for a WR_INDIRECT or WR_NEED_COPY write, which gets + * the new file data and flushes a write record for the old object. + */ + if ((itx->itx_lr.lrc_txtype & ~TX_CI) == TX_REMOVE) + zil_remove_async(zilog, itx->itx_oid); + + /* + * Ensure the data of a renamed file is committed before the rename. + */ + if ((itx->itx_lr.lrc_txtype & ~TX_CI) == TX_RENAME) + zil_async_to_sync(zilog, itx->itx_oid); + + if (spa_freeze_txg(zilog->zl_spa) != UINT64_MAX) + txg = ZILTEST_TXG; + else + txg = dmu_tx_get_txg(tx); + + itxg = &zilog->zl_itxg[txg & TXG_MASK]; + mutex_enter(&itxg->itxg_lock); + itxs = itxg->itxg_itxs; + if (itxg->itxg_txg != txg) { + if (itxs != NULL) { + /* + * The zil_clean callback hasn't got around to cleaning + * this itxg. Save the itxs for release below. + * This should be rare. + */ + atomic_add_64(&zilog->zl_itx_list_sz, -itxg->itxg_sod); + itxg->itxg_sod = 0; + clean = itxg->itxg_itxs; + } + ASSERT(itxg->itxg_sod == 0); + itxg->itxg_txg = txg; + itxs = itxg->itxg_itxs = kmem_zalloc(sizeof (itxs_t), + KM_SLEEP); + + list_create(&itxs->i_sync_list, sizeof (itx_t), + offsetof(itx_t, itx_node)); + avl_create(&itxs->i_async_tree, zil_aitx_compare, + sizeof (itx_async_node_t), + offsetof(itx_async_node_t, ia_node)); + } + if (itx->itx_sync) { + list_insert_tail(&itxs->i_sync_list, itx); + atomic_add_64(&zilog->zl_itx_list_sz, itx->itx_sod); + itxg->itxg_sod += itx->itx_sod; + } else { + avl_tree_t *t = &itxs->i_async_tree; + uint64_t foid = ((lr_ooo_t *)&itx->itx_lr)->lr_foid; + itx_async_node_t *ian; + avl_index_t where; + + ian = avl_find(t, &foid, &where); + if (ian == NULL) { + ian = kmem_alloc(sizeof (itx_async_node_t), + KM_SLEEP); + list_create(&ian->ia_list, sizeof (itx_t), + offsetof(itx_t, itx_node)); + ian->ia_foid = foid; + avl_insert(t, ian, where); + } + list_insert_tail(&ian->ia_list, itx); + } + + itx->itx_lr.lrc_txg = dmu_tx_get_txg(tx); + zilog_dirty(zilog, txg); + mutex_exit(&itxg->itxg_lock); + + /* Release the old itxs now we've dropped the lock */ + if (clean != NULL) + zil_itxg_clean(clean); +} + +/* + * If there are any in-memory intent log transactions which have now been + * synced then start up a taskq to free them. We should only do this after we + * have written out the uberblocks (i.e. txg has been comitted) so that + * don't inadvertently clean out in-memory log records that would be required + * by zil_commit(). + */ +void +zil_clean(zilog_t *zilog, uint64_t synced_txg) +{ + itxg_t *itxg = &zilog->zl_itxg[synced_txg & TXG_MASK]; + itxs_t *clean_me; + + mutex_enter(&itxg->itxg_lock); + if (itxg->itxg_itxs == NULL || itxg->itxg_txg == ZILTEST_TXG) { + mutex_exit(&itxg->itxg_lock); + return; + } + ASSERT3U(itxg->itxg_txg, <=, synced_txg); + ASSERT(itxg->itxg_txg != 0); + ASSERT(zilog->zl_clean_taskq != NULL); + atomic_add_64(&zilog->zl_itx_list_sz, -itxg->itxg_sod); + itxg->itxg_sod = 0; + clean_me = itxg->itxg_itxs; + itxg->itxg_itxs = NULL; + itxg->itxg_txg = 0; + mutex_exit(&itxg->itxg_lock); + /* + * Preferably start a task queue to free up the old itxs but + * if taskq_dispatch can't allocate resources to do that then + * free it in-line. This should be rare. Note, using TQ_SLEEP + * created a bad performance problem. + */ + if (taskq_dispatch(zilog->zl_clean_taskq, + (void (*)(void *))zil_itxg_clean, clean_me, TQ_NOSLEEP) == 0) + zil_itxg_clean(clean_me); +} + +/* + * Get the list of itxs to commit into zl_itx_commit_list. + */ +static void +zil_get_commit_list(zilog_t *zilog) +{ + uint64_t otxg, txg; + list_t *commit_list = &zilog->zl_itx_commit_list; + uint64_t push_sod = 0; + + if (spa_freeze_txg(zilog->zl_spa) != UINT64_MAX) /* ziltest support */ + otxg = ZILTEST_TXG; + else + otxg = spa_last_synced_txg(zilog->zl_spa) + 1; + + for (txg = otxg; txg < (otxg + TXG_CONCURRENT_STATES); txg++) { + itxg_t *itxg = &zilog->zl_itxg[txg & TXG_MASK]; + + mutex_enter(&itxg->itxg_lock); + if (itxg->itxg_txg != txg) { + mutex_exit(&itxg->itxg_lock); + continue; + } + + list_move_tail(commit_list, &itxg->itxg_itxs->i_sync_list); + push_sod += itxg->itxg_sod; + itxg->itxg_sod = 0; + + mutex_exit(&itxg->itxg_lock); + } + atomic_add_64(&zilog->zl_itx_list_sz, -push_sod); +} + +/* + * Move the async itxs for a specified object to commit into sync lists. + */ +static void +zil_async_to_sync(zilog_t *zilog, uint64_t foid) +{ + uint64_t otxg, txg; + itx_async_node_t *ian; + avl_tree_t *t; + avl_index_t where; + + if (spa_freeze_txg(zilog->zl_spa) != UINT64_MAX) /* ziltest support */ + otxg = ZILTEST_TXG; + else + otxg = spa_last_synced_txg(zilog->zl_spa) + 1; + + for (txg = otxg; txg < (otxg + TXG_CONCURRENT_STATES); txg++) { + itxg_t *itxg = &zilog->zl_itxg[txg & TXG_MASK]; + + mutex_enter(&itxg->itxg_lock); + if (itxg->itxg_txg != txg) { + mutex_exit(&itxg->itxg_lock); + continue; + } + + /* + * If a foid is specified then find that node and append its + * list. Otherwise walk the tree appending all the lists + * to the sync list. We add to the end rather than the + * beginning to ensure the create has happened. + */ + t = &itxg->itxg_itxs->i_async_tree; + if (foid != 0) { + ian = avl_find(t, &foid, &where); + if (ian != NULL) { + list_move_tail(&itxg->itxg_itxs->i_sync_list, + &ian->ia_list); + } + } else { + void *cookie = NULL; + + while ((ian = avl_destroy_nodes(t, &cookie)) != NULL) { + list_move_tail(&itxg->itxg_itxs->i_sync_list, + &ian->ia_list); + list_destroy(&ian->ia_list); + kmem_free(ian, sizeof (itx_async_node_t)); + } + } + mutex_exit(&itxg->itxg_lock); + } +} + +static void +zil_commit_writer(zilog_t *zilog) +{ + uint64_t txg; + itx_t *itx; + lwb_t *lwb; + spa_t *spa = zilog->zl_spa; + int error = 0; + + ASSERT(zilog->zl_root_zio == NULL); + + mutex_exit(&zilog->zl_lock); + + zil_get_commit_list(zilog); + + /* + * Return if there's nothing to commit before we dirty the fs by + * calling zil_create(). + */ + if (list_head(&zilog->zl_itx_commit_list) == NULL) { + mutex_enter(&zilog->zl_lock); + return; + } + + if (zilog->zl_suspend) { + lwb = NULL; + } else { + lwb = list_tail(&zilog->zl_lwb_list); + if (lwb == NULL) + lwb = zil_create(zilog); + } + + DTRACE_PROBE1(zil__cw1, zilog_t *, zilog); + for (itx = list_head(&zilog->zl_itx_commit_list); itx != NULL; + itx = list_next(&zilog->zl_itx_commit_list, itx)) { + txg = itx->itx_lr.lrc_txg; + ASSERT(txg); + + if (txg > spa_last_synced_txg(spa) || txg > spa_freeze_txg(spa)) + lwb = zil_lwb_commit(zilog, itx, lwb); + } + DTRACE_PROBE1(zil__cw2, zilog_t *, zilog); + + /* write the last block out */ + if (lwb != NULL && lwb->lwb_zio != NULL) + lwb = zil_lwb_write_start(zilog, lwb); + + zilog->zl_cur_used = 0; + + /* + * Wait if necessary for the log blocks to be on stable storage. + */ + if (zilog->zl_root_zio) { + error = zio_wait(zilog->zl_root_zio); + zilog->zl_root_zio = NULL; + zil_flush_vdevs(zilog); + } + + if (error || lwb == NULL) + txg_wait_synced(zilog->zl_dmu_pool, 0); + + while ((itx = list_head(&zilog->zl_itx_commit_list))) { + txg = itx->itx_lr.lrc_txg; + ASSERT(txg); + + if (itx->itx_callback != NULL) + itx->itx_callback(itx->itx_callback_data); + list_remove(&zilog->zl_itx_commit_list, itx); + zil_itx_destroy(itx); + } + + mutex_enter(&zilog->zl_lock); + + /* + * Remember the highest committed log sequence number for ztest. + * We only update this value when all the log writes succeeded, + * because ztest wants to ASSERT that it got the whole log chain. + */ + if (error == 0 && lwb != NULL) + zilog->zl_commit_lr_seq = zilog->zl_lr_seq; +} + +/* + * Commit zfs transactions to stable storage. + * If foid is 0 push out all transactions, otherwise push only those + * for that object or might reference that object. + * + * itxs are committed in batches. In a heavily stressed zil there will be + * a commit writer thread who is writing out a bunch of itxs to the log + * for a set of committing threads (cthreads) in the same batch as the writer. + * Those cthreads are all waiting on the same cv for that batch. + * + * There will also be a different and growing batch of threads that are + * waiting to commit (qthreads). When the committing batch completes + * a transition occurs such that the cthreads exit and the qthreads become + * cthreads. One of the new cthreads becomes the writer thread for the + * batch. Any new threads arriving become new qthreads. + * + * Only 2 condition variables are needed and there's no transition + * between the two cvs needed. They just flip-flop between qthreads + * and cthreads. + * + * Using this scheme we can efficiently wakeup up only those threads + * that have been committed. + */ +void +zil_commit(zilog_t *zilog, uint64_t foid) +{ + uint64_t mybatch; + + if (zilog->zl_sync == ZFS_SYNC_DISABLED) + return; + + ZIL_STAT_BUMP(zil_commit_count); + + /* move the async itxs for the foid to the sync queues */ + zil_async_to_sync(zilog, foid); + + mutex_enter(&zilog->zl_lock); + mybatch = zilog->zl_next_batch; + while (zilog->zl_writer) { + cv_wait(&zilog->zl_cv_batch[mybatch & 1], &zilog->zl_lock); + if (mybatch <= zilog->zl_com_batch) { + mutex_exit(&zilog->zl_lock); + return; + } + } + + zilog->zl_next_batch++; + zilog->zl_writer = B_TRUE; + ZIL_STAT_BUMP(zil_commit_writer_count); + zil_commit_writer(zilog); + zilog->zl_com_batch = mybatch; + zilog->zl_writer = B_FALSE; + + /* wake up one thread to become the next writer */ + cv_signal(&zilog->zl_cv_batch[(mybatch+1) & 1]); + + /* wake up all threads waiting for this batch to be committed */ + cv_broadcast(&zilog->zl_cv_batch[mybatch & 1]); + + mutex_exit(&zilog->zl_lock); +} + +/* + * Called in syncing context to free committed log blocks and update log header. + */ +void +zil_sync(zilog_t *zilog, dmu_tx_t *tx) +{ + zil_header_t *zh = zil_header_in_syncing_context(zilog); + uint64_t txg = dmu_tx_get_txg(tx); + spa_t *spa = zilog->zl_spa; + uint64_t *replayed_seq = &zilog->zl_replayed_seq[txg & TXG_MASK]; + lwb_t *lwb; + + /* + * We don't zero out zl_destroy_txg, so make sure we don't try + * to destroy it twice. + */ + if (spa_sync_pass(spa) != 1) + return; + + mutex_enter(&zilog->zl_lock); + + ASSERT(zilog->zl_stop_sync == 0); + + if (*replayed_seq != 0) { + ASSERT(zh->zh_replay_seq < *replayed_seq); + zh->zh_replay_seq = *replayed_seq; + *replayed_seq = 0; + } + + if (zilog->zl_destroy_txg == txg) { + blkptr_t blk = zh->zh_log; + + ASSERT(list_head(&zilog->zl_lwb_list) == NULL); + + bzero(zh, sizeof (zil_header_t)); + bzero(zilog->zl_replayed_seq, sizeof (zilog->zl_replayed_seq)); + + if (zilog->zl_keep_first) { + /* + * If this block was part of log chain that couldn't + * be claimed because a device was missing during + * zil_claim(), but that device later returns, + * then this block could erroneously appear valid. + * To guard against this, assign a new GUID to the new + * log chain so it doesn't matter what blk points to. + */ + zil_init_log_chain(zilog, &blk); + zh->zh_log = blk; + } + } + + while ((lwb = list_head(&zilog->zl_lwb_list)) != NULL) { + zh->zh_log = lwb->lwb_blk; + if (lwb->lwb_buf != NULL || lwb->lwb_max_txg > txg) + break; + + ASSERT(lwb->lwb_zio == NULL); + + list_remove(&zilog->zl_lwb_list, lwb); + zio_free_zil(spa, txg, &lwb->lwb_blk); + kmem_cache_free(zil_lwb_cache, lwb); + + /* + * If we don't have anything left in the lwb list then + * we've had an allocation failure and we need to zero + * out the zil_header blkptr so that we don't end + * up freeing the same block twice. + */ + if (list_head(&zilog->zl_lwb_list) == NULL) + BP_ZERO(&zh->zh_log); + } + + /* + * Remove fastwrite on any blocks that have been pre-allocated for + * the next commit. This prevents fastwrite counter pollution by + * unused, long-lived LWBs. + */ + for (; lwb != NULL; lwb = list_next(&zilog->zl_lwb_list, lwb)) { + if (lwb->lwb_fastwrite && !lwb->lwb_zio) { + metaslab_fastwrite_unmark(zilog->zl_spa, &lwb->lwb_blk); + lwb->lwb_fastwrite = 0; + } + } + + mutex_exit(&zilog->zl_lock); +} + +void +zil_init(void) +{ + zil_lwb_cache = kmem_cache_create("zil_lwb_cache", + sizeof (struct lwb), 0, NULL, NULL, NULL, NULL, NULL, 0); + + zil_ksp = kstat_create("zfs", 0, "zil", "misc", + KSTAT_TYPE_NAMED, sizeof (zil_stats) / sizeof (kstat_named_t), + KSTAT_FLAG_VIRTUAL); + + if (zil_ksp != NULL) { + zil_ksp->ks_data = &zil_stats; + kstat_install(zil_ksp); + } +} + +void +zil_fini(void) +{ + kmem_cache_destroy(zil_lwb_cache); + + if (zil_ksp != NULL) { + kstat_delete(zil_ksp); + zil_ksp = NULL; + } +} + +void +zil_set_sync(zilog_t *zilog, uint64_t sync) +{ + zilog->zl_sync = sync; +} + +void +zil_set_logbias(zilog_t *zilog, uint64_t logbias) +{ + zilog->zl_logbias = logbias; +} + +zilog_t * +zil_alloc(objset_t *os, zil_header_t *zh_phys) +{ + zilog_t *zilog; + int i; + + zilog = kmem_zalloc(sizeof (zilog_t), KM_SLEEP); + + zilog->zl_header = zh_phys; + zilog->zl_os = os; + zilog->zl_spa = dmu_objset_spa(os); + zilog->zl_dmu_pool = dmu_objset_pool(os); + zilog->zl_destroy_txg = TXG_INITIAL - 1; + zilog->zl_logbias = dmu_objset_logbias(os); + zilog->zl_sync = dmu_objset_syncprop(os); + zilog->zl_next_batch = 1; + + mutex_init(&zilog->zl_lock, NULL, MUTEX_DEFAULT, NULL); + + for (i = 0; i < TXG_SIZE; i++) { + mutex_init(&zilog->zl_itxg[i].itxg_lock, NULL, + MUTEX_DEFAULT, NULL); + } + + list_create(&zilog->zl_lwb_list, sizeof (lwb_t), + offsetof(lwb_t, lwb_node)); + + list_create(&zilog->zl_itx_commit_list, sizeof (itx_t), + offsetof(itx_t, itx_node)); + + mutex_init(&zilog->zl_vdev_lock, NULL, MUTEX_DEFAULT, NULL); + + avl_create(&zilog->zl_vdev_tree, zil_vdev_compare, + sizeof (zil_vdev_node_t), offsetof(zil_vdev_node_t, zv_node)); + + cv_init(&zilog->zl_cv_writer, NULL, CV_DEFAULT, NULL); + cv_init(&zilog->zl_cv_suspend, NULL, CV_DEFAULT, NULL); + cv_init(&zilog->zl_cv_batch[0], NULL, CV_DEFAULT, NULL); + cv_init(&zilog->zl_cv_batch[1], NULL, CV_DEFAULT, NULL); + + return (zilog); +} + +void +zil_free(zilog_t *zilog) +{ + int i; + + zilog->zl_stop_sync = 1; + + ASSERT0(zilog->zl_suspend); + ASSERT0(zilog->zl_suspending); + + ASSERT(list_is_empty(&zilog->zl_lwb_list)); + list_destroy(&zilog->zl_lwb_list); + + avl_destroy(&zilog->zl_vdev_tree); + mutex_destroy(&zilog->zl_vdev_lock); + + ASSERT(list_is_empty(&zilog->zl_itx_commit_list)); + list_destroy(&zilog->zl_itx_commit_list); + + for (i = 0; i < TXG_SIZE; i++) { + /* + * It's possible for an itx to be generated that doesn't dirty + * a txg (e.g. ztest TX_TRUNCATE). So there's no zil_clean() + * callback to remove the entry. We remove those here. + * + * Also free up the ziltest itxs. + */ + if (zilog->zl_itxg[i].itxg_itxs) + zil_itxg_clean(zilog->zl_itxg[i].itxg_itxs); + mutex_destroy(&zilog->zl_itxg[i].itxg_lock); + } + + mutex_destroy(&zilog->zl_lock); + + cv_destroy(&zilog->zl_cv_writer); + cv_destroy(&zilog->zl_cv_suspend); + cv_destroy(&zilog->zl_cv_batch[0]); + cv_destroy(&zilog->zl_cv_batch[1]); + + kmem_free(zilog, sizeof (zilog_t)); +} + +/* + * Open an intent log. + */ +zilog_t * +zil_open(objset_t *os, zil_get_data_t *get_data) +{ + zilog_t *zilog = dmu_objset_zil(os); + + ASSERT(zilog->zl_clean_taskq == NULL); + ASSERT(zilog->zl_get_data == NULL); + ASSERT(list_is_empty(&zilog->zl_lwb_list)); + + zilog->zl_get_data = get_data; + zilog->zl_clean_taskq = taskq_create("zil_clean", 1, defclsyspri, + 2, 2, TASKQ_PREPOPULATE); + + return (zilog); +} + +/* + * Close an intent log. + */ +void +zil_close(zilog_t *zilog) +{ + lwb_t *lwb; + uint64_t txg = 0; + + zil_commit(zilog, 0); /* commit all itx */ + + /* + * The lwb_max_txg for the stubby lwb will reflect the last activity + * for the zil. After a txg_wait_synced() on the txg we know all the + * callbacks have occurred that may clean the zil. Only then can we + * destroy the zl_clean_taskq. + */ + mutex_enter(&zilog->zl_lock); + lwb = list_tail(&zilog->zl_lwb_list); + if (lwb != NULL) + txg = lwb->lwb_max_txg; + mutex_exit(&zilog->zl_lock); + if (txg) + txg_wait_synced(zilog->zl_dmu_pool, txg); + ASSERT(!zilog_is_dirty(zilog)); + + taskq_destroy(zilog->zl_clean_taskq); + zilog->zl_clean_taskq = NULL; + zilog->zl_get_data = NULL; + + /* + * We should have only one LWB left on the list; remove it now. + */ + mutex_enter(&zilog->zl_lock); + lwb = list_head(&zilog->zl_lwb_list); + if (lwb != NULL) { + ASSERT(lwb == list_tail(&zilog->zl_lwb_list)); + ASSERT(lwb->lwb_zio == NULL); + if (lwb->lwb_fastwrite) + metaslab_fastwrite_unmark(zilog->zl_spa, &lwb->lwb_blk); + list_remove(&zilog->zl_lwb_list, lwb); + zio_buf_free(lwb->lwb_buf, lwb->lwb_sz); + kmem_cache_free(zil_lwb_cache, lwb); + } + mutex_exit(&zilog->zl_lock); +} + +static char *suspend_tag = "zil suspending"; + +/* + * Suspend an intent log. While in suspended mode, we still honor + * synchronous semantics, but we rely on txg_wait_synced() to do it. + * On old version pools, we suspend the log briefly when taking a + * snapshot so that it will have an empty intent log. + * + * Long holds are not really intended to be used the way we do here -- + * held for such a short time. A concurrent caller of dsl_dataset_long_held() + * could fail. Therefore we take pains to only put a long hold if it is + * actually necessary. Fortunately, it will only be necessary if the + * objset is currently mounted (or the ZVOL equivalent). In that case it + * will already have a long hold, so we are not really making things any worse. + * + * Ideally, we would locate the existing long-holder (i.e. the zfsvfs_t or + * zvol_state_t), and use their mechanism to prevent their hold from being + * dropped (e.g. VFS_HOLD()). However, that would be even more pain for + * very little gain. + * + * if cookiep == NULL, this does both the suspend & resume. + * Otherwise, it returns with the dataset "long held", and the cookie + * should be passed into zil_resume(). + */ +int +zil_suspend(const char *osname, void **cookiep) +{ + objset_t *os; + zilog_t *zilog; + const zil_header_t *zh; + int error; + + error = dmu_objset_hold(osname, suspend_tag, &os); + if (error != 0) + return (error); + zilog = dmu_objset_zil(os); + + mutex_enter(&zilog->zl_lock); + zh = zilog->zl_header; + + if (zh->zh_flags & ZIL_REPLAY_NEEDED) { /* unplayed log */ + mutex_exit(&zilog->zl_lock); + dmu_objset_rele(os, suspend_tag); + return (SET_ERROR(EBUSY)); + } + + /* + * Don't put a long hold in the cases where we can avoid it. This + * is when there is no cookie so we are doing a suspend & resume + * (i.e. called from zil_vdev_offline()), and there's nothing to do + * for the suspend because it's already suspended, or there's no ZIL. + */ + if (cookiep == NULL && !zilog->zl_suspending && + (zilog->zl_suspend > 0 || BP_IS_HOLE(&zh->zh_log))) { + mutex_exit(&zilog->zl_lock); + dmu_objset_rele(os, suspend_tag); + return (0); + } + + dsl_dataset_long_hold(dmu_objset_ds(os), suspend_tag); + dsl_pool_rele(dmu_objset_pool(os), suspend_tag); + + zilog->zl_suspend++; + + if (zilog->zl_suspend > 1) { + /* + * Someone else is already suspending it. + * Just wait for them to finish. + */ + + while (zilog->zl_suspending) + cv_wait(&zilog->zl_cv_suspend, &zilog->zl_lock); + mutex_exit(&zilog->zl_lock); + + if (cookiep == NULL) + zil_resume(os); + else + *cookiep = os; + return (0); + } + + /* + * If there is no pointer to an on-disk block, this ZIL must not + * be active (e.g. filesystem not mounted), so there's nothing + * to clean up. + */ + if (BP_IS_HOLE(&zh->zh_log)) { + ASSERT(cookiep != NULL); /* fast path already handled */ + + *cookiep = os; + mutex_exit(&zilog->zl_lock); + return (0); + } + + zilog->zl_suspending = B_TRUE; + mutex_exit(&zilog->zl_lock); + + zil_commit(zilog, 0); + + zil_destroy(zilog, B_FALSE); + + mutex_enter(&zilog->zl_lock); + zilog->zl_suspending = B_FALSE; + cv_broadcast(&zilog->zl_cv_suspend); + mutex_exit(&zilog->zl_lock); + + if (cookiep == NULL) + zil_resume(os); + else + *cookiep = os; + return (0); +} + +void +zil_resume(void *cookie) +{ + objset_t *os = cookie; + zilog_t *zilog = dmu_objset_zil(os); + + mutex_enter(&zilog->zl_lock); + ASSERT(zilog->zl_suspend != 0); + zilog->zl_suspend--; + mutex_exit(&zilog->zl_lock); + dsl_dataset_long_rele(dmu_objset_ds(os), suspend_tag); + dsl_dataset_rele(dmu_objset_ds(os), suspend_tag); +} + +typedef struct zil_replay_arg { + zil_replay_func_t *zr_replay; + void *zr_arg; + boolean_t zr_byteswap; + char *zr_lr; +} zil_replay_arg_t; + +static int +zil_replay_error(zilog_t *zilog, lr_t *lr, int error) +{ + char name[MAXNAMELEN]; + + zilog->zl_replaying_seq--; /* didn't actually replay this one */ + + dmu_objset_name(zilog->zl_os, name); + + cmn_err(CE_WARN, "ZFS replay transaction error %d, " + "dataset %s, seq 0x%llx, txtype %llu %s\n", error, name, + (u_longlong_t)lr->lrc_seq, + (u_longlong_t)(lr->lrc_txtype & ~TX_CI), + (lr->lrc_txtype & TX_CI) ? "CI" : ""); + + return (error); +} + +static int +zil_replay_log_record(zilog_t *zilog, lr_t *lr, void *zra, uint64_t claim_txg) +{ + zil_replay_arg_t *zr = zra; + const zil_header_t *zh = zilog->zl_header; + uint64_t reclen = lr->lrc_reclen; + uint64_t txtype = lr->lrc_txtype; + int error = 0; + + zilog->zl_replaying_seq = lr->lrc_seq; + + if (lr->lrc_seq <= zh->zh_replay_seq) /* already replayed */ + return (0); + + if (lr->lrc_txg < claim_txg) /* already committed */ + return (0); + + /* Strip case-insensitive bit, still present in log record */ + txtype &= ~TX_CI; + + if (txtype == 0 || txtype >= TX_MAX_TYPE) + return (zil_replay_error(zilog, lr, EINVAL)); + + /* + * If this record type can be logged out of order, the object + * (lr_foid) may no longer exist. That's legitimate, not an error. + */ + if (TX_OOO(txtype)) { + error = dmu_object_info(zilog->zl_os, + ((lr_ooo_t *)lr)->lr_foid, NULL); + if (error == ENOENT || error == EEXIST) + return (0); + } + + /* + * Make a copy of the data so we can revise and extend it. + */ + bcopy(lr, zr->zr_lr, reclen); + + /* + * If this is a TX_WRITE with a blkptr, suck in the data. + */ + if (txtype == TX_WRITE && reclen == sizeof (lr_write_t)) { + error = zil_read_log_data(zilog, (lr_write_t *)lr, + zr->zr_lr + reclen); + if (error != 0) + return (zil_replay_error(zilog, lr, error)); + } + + /* + * The log block containing this lr may have been byteswapped + * so that we can easily examine common fields like lrc_txtype. + * However, the log is a mix of different record types, and only the + * replay vectors know how to byteswap their records. Therefore, if + * the lr was byteswapped, undo it before invoking the replay vector. + */ + if (zr->zr_byteswap) + byteswap_uint64_array(zr->zr_lr, reclen); + + /* + * We must now do two things atomically: replay this log record, + * and update the log header sequence number to reflect the fact that + * we did so. At the end of each replay function the sequence number + * is updated if we are in replay mode. + */ + error = zr->zr_replay[txtype](zr->zr_arg, zr->zr_lr, zr->zr_byteswap); + if (error != 0) { + /* + * The DMU's dnode layer doesn't see removes until the txg + * commits, so a subsequent claim can spuriously fail with + * EEXIST. So if we receive any error we try syncing out + * any removes then retry the transaction. Note that we + * specify B_FALSE for byteswap now, so we don't do it twice. + */ + txg_wait_synced(spa_get_dsl(zilog->zl_spa), 0); + error = zr->zr_replay[txtype](zr->zr_arg, zr->zr_lr, B_FALSE); + if (error != 0) + return (zil_replay_error(zilog, lr, error)); + } + return (0); +} + +/* ARGSUSED */ +static int +zil_incr_blks(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) +{ + zilog->zl_replay_blks++; + + return (0); +} + +/* + * If this dataset has a non-empty intent log, replay it and destroy it. + */ +void +zil_replay(objset_t *os, void *arg, zil_replay_func_t replay_func[TX_MAX_TYPE]) +{ + zilog_t *zilog = dmu_objset_zil(os); + const zil_header_t *zh = zilog->zl_header; + zil_replay_arg_t zr; + + if ((zh->zh_flags & ZIL_REPLAY_NEEDED) == 0) { + zil_destroy(zilog, B_TRUE); + return; + } + + zr.zr_replay = replay_func; + zr.zr_arg = arg; + zr.zr_byteswap = BP_SHOULD_BYTESWAP(&zh->zh_log); + zr.zr_lr = vmem_alloc(2 * SPA_MAXBLOCKSIZE, KM_SLEEP); + + /* + * Wait for in-progress removes to sync before starting replay. + */ + txg_wait_synced(zilog->zl_dmu_pool, 0); + + zilog->zl_replay = B_TRUE; + zilog->zl_replay_time = ddi_get_lbolt(); + ASSERT(zilog->zl_replay_blks == 0); + (void) zil_parse(zilog, zil_incr_blks, zil_replay_log_record, &zr, + zh->zh_claim_txg); + vmem_free(zr.zr_lr, 2 * SPA_MAXBLOCKSIZE); + + zil_destroy(zilog, B_FALSE); + txg_wait_synced(zilog->zl_dmu_pool, zilog->zl_destroy_txg); + zilog->zl_replay = B_FALSE; +} + +boolean_t +zil_replaying(zilog_t *zilog, dmu_tx_t *tx) +{ + if (zilog->zl_sync == ZFS_SYNC_DISABLED) + return (B_TRUE); + + if (zilog->zl_replay) { + dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx); + zilog->zl_replayed_seq[dmu_tx_get_txg(tx) & TXG_MASK] = + zilog->zl_replaying_seq; + return (B_TRUE); + } + + return (B_FALSE); +} + +/* ARGSUSED */ +int +zil_vdev_offline(const char *osname, void *arg) +{ + int error; + + error = zil_suspend(osname, NULL); + if (error != 0) + return (SET_ERROR(EEXIST)); + return (0); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zil_alloc); +EXPORT_SYMBOL(zil_free); +EXPORT_SYMBOL(zil_open); +EXPORT_SYMBOL(zil_close); +EXPORT_SYMBOL(zil_replay); +EXPORT_SYMBOL(zil_replaying); +EXPORT_SYMBOL(zil_destroy); +EXPORT_SYMBOL(zil_destroy_sync); +EXPORT_SYMBOL(zil_itx_create); +EXPORT_SYMBOL(zil_itx_destroy); +EXPORT_SYMBOL(zil_itx_assign); +EXPORT_SYMBOL(zil_commit); +EXPORT_SYMBOL(zil_vdev_offline); +EXPORT_SYMBOL(zil_claim); +EXPORT_SYMBOL(zil_check_log_chain); +EXPORT_SYMBOL(zil_sync); +EXPORT_SYMBOL(zil_clean); +EXPORT_SYMBOL(zil_suspend); +EXPORT_SYMBOL(zil_resume); +EXPORT_SYMBOL(zil_add_block); +EXPORT_SYMBOL(zil_bp_tree_add); +EXPORT_SYMBOL(zil_set_sync); +EXPORT_SYMBOL(zil_set_logbias); + +module_param(zil_replay_disable, int, 0644); +MODULE_PARM_DESC(zil_replay_disable, "Disable intent logging replay"); + +module_param(zfs_nocacheflush, int, 0644); +MODULE_PARM_DESC(zfs_nocacheflush, "Disable cache flushes"); + +module_param(zil_slog_limit, ulong, 0644); +MODULE_PARM_DESC(zil_slog_limit, "Max commit bytes to separate log device"); +#endif diff --git a/zfs/module/zfs/zio.c b/zfs/module/zfs/zio.c new file mode 100644 index 000000000000..2bc88c52c9b0 --- /dev/null +++ b/zfs/module/zfs/zio.c @@ -0,0 +1,3513 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + * Copyright (c) 2011 Nexenta Systems, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * ========================================================================== + * I/O type descriptions + * ========================================================================== + */ +const char *zio_type_name[ZIO_TYPES] = { + "z_null", "z_rd", "z_wr", "z_fr", "z_cl", "z_ioctl" +}; + +/* + * ========================================================================== + * I/O kmem caches + * ========================================================================== + */ +kmem_cache_t *zio_cache; +kmem_cache_t *zio_link_cache; +kmem_cache_t *zio_buf_cache[SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT]; +kmem_cache_t *zio_data_buf_cache[SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT]; +int zio_delay_max = ZIO_DELAY_MAX; + +#define ZIO_PIPELINE_CONTINUE 0x100 +#define ZIO_PIPELINE_STOP 0x101 + +/* + * The following actions directly effect the spa's sync-to-convergence logic. + * The values below define the sync pass when we start performing the action. + * Care should be taken when changing these values as they directly impact + * spa_sync() performance. Tuning these values may introduce subtle performance + * pathologies and should only be done in the context of performance analysis. + * These tunables will eventually be removed and replaced with #defines once + * enough analysis has been done to determine optimal values. + * + * The 'zfs_sync_pass_deferred_free' pass must be greater than 1 to ensure that + * regular blocks are not deferred. + */ +int zfs_sync_pass_deferred_free = 2; /* defer frees starting in this pass */ +int zfs_sync_pass_dont_compress = 5; /* don't compress starting in this pass */ +int zfs_sync_pass_rewrite = 2; /* rewrite new bps starting in this pass */ + +/* + * An allocating zio is one that either currently has the DVA allocate + * stage set or will have it later in its lifetime. + */ +#define IO_IS_ALLOCATING(zio) ((zio)->io_orig_pipeline & ZIO_STAGE_DVA_ALLOCATE) + +int zio_requeue_io_start_cut_in_line = 1; + +#ifdef ZFS_DEBUG +int zio_buf_debug_limit = 16384; +#else +int zio_buf_debug_limit = 0; +#endif + +static inline void __zio_execute(zio_t *zio); + +void +zio_init(void) +{ + size_t c; + vmem_t *data_alloc_arena = NULL; + + zio_cache = kmem_cache_create("zio_cache", + sizeof (zio_t), 0, NULL, NULL, NULL, NULL, NULL, 0); + zio_link_cache = kmem_cache_create("zio_link_cache", + sizeof (zio_link_t), 0, NULL, NULL, NULL, NULL, NULL, 0); + + /* + * For small buffers, we want a cache for each multiple of + * SPA_MINBLOCKSIZE. For larger buffers, we want a cache + * for each quarter-power of 2. + */ + for (c = 0; c < SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; c++) { + size_t size = (c + 1) << SPA_MINBLOCKSHIFT; + size_t p2 = size; + size_t align = 0; + size_t cflags = (size > zio_buf_debug_limit) ? KMC_NODEBUG : 0; + +#ifdef _ILP32 + /* + * Cache size limited to 1M on 32-bit platforms until ARC + * buffers no longer require virtual address space. + */ + if (size > zfs_max_recordsize) + break; +#endif + + while (!ISP2(p2)) + p2 &= p2 - 1; + +#ifndef _KERNEL + /* + * If we are using watchpoints, put each buffer on its own page, + * to eliminate the performance overhead of trapping to the + * kernel when modifying a non-watched buffer that shares the + * page with a watched buffer. + */ + if (arc_watch && !IS_P2ALIGNED(size, PAGESIZE)) + continue; +#endif + if (size <= 4 * SPA_MINBLOCKSIZE) { + align = SPA_MINBLOCKSIZE; + } else if (IS_P2ALIGNED(size, p2 >> 2)) { + align = MIN(p2 >> 2, PAGESIZE); + } + + if (align != 0) { + char name[36]; + (void) sprintf(name, "zio_buf_%lu", (ulong_t)size); + zio_buf_cache[c] = kmem_cache_create(name, size, + align, NULL, NULL, NULL, NULL, NULL, cflags); + + (void) sprintf(name, "zio_data_buf_%lu", (ulong_t)size); + zio_data_buf_cache[c] = kmem_cache_create(name, size, + align, NULL, NULL, NULL, NULL, + data_alloc_arena, cflags); + } + } + + while (--c != 0) { + ASSERT(zio_buf_cache[c] != NULL); + if (zio_buf_cache[c - 1] == NULL) + zio_buf_cache[c - 1] = zio_buf_cache[c]; + + ASSERT(zio_data_buf_cache[c] != NULL); + if (zio_data_buf_cache[c - 1] == NULL) + zio_data_buf_cache[c - 1] = zio_data_buf_cache[c]; + } + + zio_inject_init(); + + lz4_init(); +} + +void +zio_fini(void) +{ + size_t c; + kmem_cache_t *last_cache = NULL; + kmem_cache_t *last_data_cache = NULL; + + for (c = 0; c < SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; c++) { +#ifdef _ILP32 + /* + * Cache size limited to 1M on 32-bit platforms until ARC + * buffers no longer require virtual address space. + */ + if (((c + 1) << SPA_MINBLOCKSHIFT) > zfs_max_recordsize) + break; +#endif + if (zio_buf_cache[c] != last_cache) { + last_cache = zio_buf_cache[c]; + kmem_cache_destroy(zio_buf_cache[c]); + } + zio_buf_cache[c] = NULL; + + if (zio_data_buf_cache[c] != last_data_cache) { + last_data_cache = zio_data_buf_cache[c]; + kmem_cache_destroy(zio_data_buf_cache[c]); + } + zio_data_buf_cache[c] = NULL; + } + + kmem_cache_destroy(zio_link_cache); + kmem_cache_destroy(zio_cache); + + zio_inject_fini(); + + lz4_fini(); +} + +/* + * ========================================================================== + * Allocate and free I/O buffers + * ========================================================================== + */ + +/* + * Use zio_buf_alloc to allocate ZFS metadata. This data will appear in a + * crashdump if the kernel panics, so use it judiciously. Obviously, it's + * useful to inspect ZFS metadata, but if possible, we should avoid keeping + * excess / transient data in-core during a crashdump. + */ +void * +zio_buf_alloc(size_t size) +{ + size_t c = (size - 1) >> SPA_MINBLOCKSHIFT; + + VERIFY3U(c, <, SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT); + + return (kmem_cache_alloc(zio_buf_cache[c], KM_PUSHPAGE)); +} + +/* + * Use zio_data_buf_alloc to allocate data. The data will not appear in a + * crashdump if the kernel panics. This exists so that we will limit the amount + * of ZFS data that shows up in a kernel crashdump. (Thus reducing the amount + * of kernel heap dumped to disk when the kernel panics) + */ +void * +zio_data_buf_alloc(size_t size) +{ + size_t c = (size - 1) >> SPA_MINBLOCKSHIFT; + + VERIFY3U(c, <, SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT); + + return (kmem_cache_alloc(zio_data_buf_cache[c], KM_PUSHPAGE)); +} + +/* + * Use zio_buf_alloc_flags when specific allocation flags are needed. e.g. + * passing KM_NOSLEEP when it is acceptable for an allocation to fail. + */ +void * +zio_buf_alloc_flags(size_t size, int flags) +{ + size_t c = (size - 1) >> SPA_MINBLOCKSHIFT; + + VERIFY3U(c, <, SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT); + + return (kmem_cache_alloc(zio_buf_cache[c], flags)); +} + +void +zio_buf_free(void *buf, size_t size) +{ + size_t c = (size - 1) >> SPA_MINBLOCKSHIFT; + + VERIFY3U(c, <, SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT); + + kmem_cache_free(zio_buf_cache[c], buf); +} + +void +zio_data_buf_free(void *buf, size_t size) +{ + size_t c = (size - 1) >> SPA_MINBLOCKSHIFT; + + VERIFY3U(c, <, SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT); + + kmem_cache_free(zio_data_buf_cache[c], buf); +} + +/* + * ========================================================================== + * Push and pop I/O transform buffers + * ========================================================================== + */ +static void +zio_push_transform(zio_t *zio, void *data, uint64_t size, uint64_t bufsize, + zio_transform_func_t *transform) +{ + zio_transform_t *zt = kmem_alloc(sizeof (zio_transform_t), KM_SLEEP); + + zt->zt_orig_data = zio->io_data; + zt->zt_orig_size = zio->io_size; + zt->zt_bufsize = bufsize; + zt->zt_transform = transform; + + zt->zt_next = zio->io_transform_stack; + zio->io_transform_stack = zt; + + zio->io_data = data; + zio->io_size = size; +} + +static void +zio_pop_transforms(zio_t *zio) +{ + zio_transform_t *zt; + + while ((zt = zio->io_transform_stack) != NULL) { + if (zt->zt_transform != NULL) + zt->zt_transform(zio, + zt->zt_orig_data, zt->zt_orig_size); + + if (zt->zt_bufsize != 0) + zio_buf_free(zio->io_data, zt->zt_bufsize); + + zio->io_data = zt->zt_orig_data; + zio->io_size = zt->zt_orig_size; + zio->io_transform_stack = zt->zt_next; + + kmem_free(zt, sizeof (zio_transform_t)); + } +} + +/* + * ========================================================================== + * I/O transform callbacks for subblocks and decompression + * ========================================================================== + */ +static void +zio_subblock(zio_t *zio, void *data, uint64_t size) +{ + ASSERT(zio->io_size > size); + + if (zio->io_type == ZIO_TYPE_READ) + bcopy(zio->io_data, data, size); +} + +static void +zio_decompress(zio_t *zio, void *data, uint64_t size) +{ + if (zio->io_error == 0 && + zio_decompress_data(BP_GET_COMPRESS(zio->io_bp), + zio->io_data, data, zio->io_size, size) != 0) + zio->io_error = SET_ERROR(EIO); +} + +/* + * ========================================================================== + * I/O parent/child relationships and pipeline interlocks + * ========================================================================== + */ +/* + * NOTE - Callers to zio_walk_parents() and zio_walk_children must + * continue calling these functions until they return NULL. + * Otherwise, the next caller will pick up the list walk in + * some indeterminate state. (Otherwise every caller would + * have to pass in a cookie to keep the state represented by + * io_walk_link, which gets annoying.) + */ +zio_t * +zio_walk_parents(zio_t *cio) +{ + zio_link_t *zl = cio->io_walk_link; + list_t *pl = &cio->io_parent_list; + + zl = (zl == NULL) ? list_head(pl) : list_next(pl, zl); + cio->io_walk_link = zl; + + if (zl == NULL) + return (NULL); + + ASSERT(zl->zl_child == cio); + return (zl->zl_parent); +} + +zio_t * +zio_walk_children(zio_t *pio) +{ + zio_link_t *zl = pio->io_walk_link; + list_t *cl = &pio->io_child_list; + + zl = (zl == NULL) ? list_head(cl) : list_next(cl, zl); + pio->io_walk_link = zl; + + if (zl == NULL) + return (NULL); + + ASSERT(zl->zl_parent == pio); + return (zl->zl_child); +} + +zio_t * +zio_unique_parent(zio_t *cio) +{ + zio_t *pio = zio_walk_parents(cio); + + VERIFY(zio_walk_parents(cio) == NULL); + return (pio); +} + +void +zio_add_child(zio_t *pio, zio_t *cio) +{ + zio_link_t *zl = kmem_cache_alloc(zio_link_cache, KM_SLEEP); + int w; + + /* + * Logical I/Os can have logical, gang, or vdev children. + * Gang I/Os can have gang or vdev children. + * Vdev I/Os can only have vdev children. + * The following ASSERT captures all of these constraints. + */ + ASSERT(cio->io_child_type <= pio->io_child_type); + + zl->zl_parent = pio; + zl->zl_child = cio; + + mutex_enter(&cio->io_lock); + mutex_enter(&pio->io_lock); + + ASSERT(pio->io_state[ZIO_WAIT_DONE] == 0); + + for (w = 0; w < ZIO_WAIT_TYPES; w++) + pio->io_children[cio->io_child_type][w] += !cio->io_state[w]; + + list_insert_head(&pio->io_child_list, zl); + list_insert_head(&cio->io_parent_list, zl); + + pio->io_child_count++; + cio->io_parent_count++; + + mutex_exit(&pio->io_lock); + mutex_exit(&cio->io_lock); +} + +static void +zio_remove_child(zio_t *pio, zio_t *cio, zio_link_t *zl) +{ + ASSERT(zl->zl_parent == pio); + ASSERT(zl->zl_child == cio); + + mutex_enter(&cio->io_lock); + mutex_enter(&pio->io_lock); + + list_remove(&pio->io_child_list, zl); + list_remove(&cio->io_parent_list, zl); + + pio->io_child_count--; + cio->io_parent_count--; + + mutex_exit(&pio->io_lock); + mutex_exit(&cio->io_lock); + + kmem_cache_free(zio_link_cache, zl); +} + +static boolean_t +zio_wait_for_children(zio_t *zio, enum zio_child child, enum zio_wait_type wait) +{ + uint64_t *countp = &zio->io_children[child][wait]; + boolean_t waiting = B_FALSE; + + mutex_enter(&zio->io_lock); + ASSERT(zio->io_stall == NULL); + if (*countp != 0) { + zio->io_stage >>= 1; + zio->io_stall = countp; + waiting = B_TRUE; + } + mutex_exit(&zio->io_lock); + + return (waiting); +} + +__attribute__((always_inline)) +static inline void +zio_notify_parent(zio_t *pio, zio_t *zio, enum zio_wait_type wait) +{ + uint64_t *countp = &pio->io_children[zio->io_child_type][wait]; + int *errorp = &pio->io_child_error[zio->io_child_type]; + + mutex_enter(&pio->io_lock); + if (zio->io_error && !(zio->io_flags & ZIO_FLAG_DONT_PROPAGATE)) + *errorp = zio_worst_error(*errorp, zio->io_error); + pio->io_reexecute |= zio->io_reexecute; + ASSERT3U(*countp, >, 0); + + (*countp)--; + + if (*countp == 0 && pio->io_stall == countp) { + pio->io_stall = NULL; + mutex_exit(&pio->io_lock); + __zio_execute(pio); + } else { + mutex_exit(&pio->io_lock); + } +} + +static void +zio_inherit_child_errors(zio_t *zio, enum zio_child c) +{ + if (zio->io_child_error[c] != 0 && zio->io_error == 0) + zio->io_error = zio->io_child_error[c]; +} + +/* + * ========================================================================== + * Create the various types of I/O (read, write, free, etc) + * ========================================================================== + */ +static zio_t * +zio_create(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp, + void *data, uint64_t size, zio_done_func_t *done, void *private, + zio_type_t type, zio_priority_t priority, enum zio_flag flags, + vdev_t *vd, uint64_t offset, const zbookmark_phys_t *zb, + enum zio_stage stage, enum zio_stage pipeline) +{ + zio_t *zio; + + ASSERT3U(size, <=, SPA_MAXBLOCKSIZE); + ASSERT(P2PHASE(size, SPA_MINBLOCKSIZE) == 0); + ASSERT(P2PHASE(offset, SPA_MINBLOCKSIZE) == 0); + + ASSERT(!vd || spa_config_held(spa, SCL_STATE_ALL, RW_READER)); + ASSERT(!bp || !(flags & ZIO_FLAG_CONFIG_WRITER)); + ASSERT(vd || stage == ZIO_STAGE_OPEN); + + zio = kmem_cache_alloc(zio_cache, KM_SLEEP); + bzero(zio, sizeof (zio_t)); + + mutex_init(&zio->io_lock, NULL, MUTEX_DEFAULT, NULL); + cv_init(&zio->io_cv, NULL, CV_DEFAULT, NULL); + + list_create(&zio->io_parent_list, sizeof (zio_link_t), + offsetof(zio_link_t, zl_parent_node)); + list_create(&zio->io_child_list, sizeof (zio_link_t), + offsetof(zio_link_t, zl_child_node)); + + if (vd != NULL) + zio->io_child_type = ZIO_CHILD_VDEV; + else if (flags & ZIO_FLAG_GANG_CHILD) + zio->io_child_type = ZIO_CHILD_GANG; + else if (flags & ZIO_FLAG_DDT_CHILD) + zio->io_child_type = ZIO_CHILD_DDT; + else + zio->io_child_type = ZIO_CHILD_LOGICAL; + + if (bp != NULL) { + zio->io_bp = (blkptr_t *)bp; + zio->io_bp_copy = *bp; + zio->io_bp_orig = *bp; + if (type != ZIO_TYPE_WRITE || + zio->io_child_type == ZIO_CHILD_DDT) + zio->io_bp = &zio->io_bp_copy; /* so caller can free */ + if (zio->io_child_type == ZIO_CHILD_LOGICAL) + zio->io_logical = zio; + if (zio->io_child_type > ZIO_CHILD_GANG && BP_IS_GANG(bp)) + pipeline |= ZIO_GANG_STAGES; + } + + zio->io_spa = spa; + zio->io_txg = txg; + zio->io_done = done; + zio->io_private = private; + zio->io_type = type; + zio->io_priority = priority; + zio->io_vd = vd; + zio->io_offset = offset; + zio->io_orig_data = zio->io_data = data; + zio->io_orig_size = zio->io_size = size; + zio->io_orig_flags = zio->io_flags = flags; + zio->io_orig_stage = zio->io_stage = stage; + zio->io_orig_pipeline = zio->io_pipeline = pipeline; + + zio->io_state[ZIO_WAIT_READY] = (stage >= ZIO_STAGE_READY); + zio->io_state[ZIO_WAIT_DONE] = (stage >= ZIO_STAGE_DONE); + + if (zb != NULL) + zio->io_bookmark = *zb; + + if (pio != NULL) { + if (zio->io_logical == NULL) + zio->io_logical = pio->io_logical; + if (zio->io_child_type == ZIO_CHILD_GANG) + zio->io_gang_leader = pio->io_gang_leader; + zio_add_child(pio, zio); + } + + taskq_init_ent(&zio->io_tqent); + + return (zio); +} + +static void +zio_destroy(zio_t *zio) +{ + list_destroy(&zio->io_parent_list); + list_destroy(&zio->io_child_list); + mutex_destroy(&zio->io_lock); + cv_destroy(&zio->io_cv); + kmem_cache_free(zio_cache, zio); +} + +zio_t * +zio_null(zio_t *pio, spa_t *spa, vdev_t *vd, zio_done_func_t *done, + void *private, enum zio_flag flags) +{ + zio_t *zio; + + zio = zio_create(pio, spa, 0, NULL, NULL, 0, done, private, + ZIO_TYPE_NULL, ZIO_PRIORITY_NOW, flags, vd, 0, NULL, + ZIO_STAGE_OPEN, ZIO_INTERLOCK_PIPELINE); + + return (zio); +} + +zio_t * +zio_root(spa_t *spa, zio_done_func_t *done, void *private, enum zio_flag flags) +{ + return (zio_null(NULL, spa, NULL, done, private, flags)); +} + +void +zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp) +{ + int i; + + if (!DMU_OT_IS_VALID(BP_GET_TYPE(bp))) { + zfs_panic_recover("blkptr at %p has invalid TYPE %llu", + bp, (longlong_t)BP_GET_TYPE(bp)); + } + if (BP_GET_CHECKSUM(bp) >= ZIO_CHECKSUM_FUNCTIONS || + BP_GET_CHECKSUM(bp) <= ZIO_CHECKSUM_ON) { + zfs_panic_recover("blkptr at %p has invalid CHECKSUM %llu", + bp, (longlong_t)BP_GET_CHECKSUM(bp)); + } + if (BP_GET_COMPRESS(bp) >= ZIO_COMPRESS_FUNCTIONS || + BP_GET_COMPRESS(bp) <= ZIO_COMPRESS_ON) { + zfs_panic_recover("blkptr at %p has invalid COMPRESS %llu", + bp, (longlong_t)BP_GET_COMPRESS(bp)); + } + if (BP_GET_LSIZE(bp) > SPA_MAXBLOCKSIZE) { + zfs_panic_recover("blkptr at %p has invalid LSIZE %llu", + bp, (longlong_t)BP_GET_LSIZE(bp)); + } + if (BP_GET_PSIZE(bp) > SPA_MAXBLOCKSIZE) { + zfs_panic_recover("blkptr at %p has invalid PSIZE %llu", + bp, (longlong_t)BP_GET_PSIZE(bp)); + } + + if (BP_IS_EMBEDDED(bp)) { + if (BPE_GET_ETYPE(bp) > NUM_BP_EMBEDDED_TYPES) { + zfs_panic_recover("blkptr at %p has invalid ETYPE %llu", + bp, (longlong_t)BPE_GET_ETYPE(bp)); + } + } + + /* + * Pool-specific checks. + * + * Note: it would be nice to verify that the blk_birth and + * BP_PHYSICAL_BIRTH() are not too large. However, spa_freeze() + * allows the birth time of log blocks (and dmu_sync()-ed blocks + * that are in the log) to be arbitrarily large. + */ + for (i = 0; i < BP_GET_NDVAS(bp); i++) { + uint64_t vdevid = DVA_GET_VDEV(&bp->blk_dva[i]); + vdev_t *vd; + uint64_t offset, asize; + if (vdevid >= spa->spa_root_vdev->vdev_children) { + zfs_panic_recover("blkptr at %p DVA %u has invalid " + "VDEV %llu", + bp, i, (longlong_t)vdevid); + } + vd = spa->spa_root_vdev->vdev_child[vdevid]; + if (vd == NULL) { + zfs_panic_recover("blkptr at %p DVA %u has invalid " + "VDEV %llu", + bp, i, (longlong_t)vdevid); + } + if (vd->vdev_ops == &vdev_hole_ops) { + zfs_panic_recover("blkptr at %p DVA %u has hole " + "VDEV %llu", + bp, i, (longlong_t)vdevid); + + } + if (vd->vdev_ops == &vdev_missing_ops) { + /* + * "missing" vdevs are valid during import, but we + * don't have their detailed info (e.g. asize), so + * we can't perform any more checks on them. + */ + continue; + } + offset = DVA_GET_OFFSET(&bp->blk_dva[i]); + asize = DVA_GET_ASIZE(&bp->blk_dva[i]); + if (BP_IS_GANG(bp)) + asize = vdev_psize_to_asize(vd, SPA_GANGBLOCKSIZE); + if (offset + asize > vd->vdev_asize) { + zfs_panic_recover("blkptr at %p DVA %u has invalid " + "OFFSET %llu", + bp, i, (longlong_t)offset); + } + } +} + +zio_t * +zio_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, + void *data, uint64_t size, zio_done_func_t *done, void *private, + zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb) +{ + zio_t *zio; + + zfs_blkptr_verify(spa, bp); + + zio = zio_create(pio, spa, BP_PHYSICAL_BIRTH(bp), bp, + data, size, done, private, + ZIO_TYPE_READ, priority, flags, NULL, 0, zb, + ZIO_STAGE_OPEN, (flags & ZIO_FLAG_DDT_CHILD) ? + ZIO_DDT_CHILD_READ_PIPELINE : ZIO_READ_PIPELINE); + + return (zio); +} + +zio_t * +zio_write(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp, + void *data, uint64_t size, const zio_prop_t *zp, + zio_done_func_t *ready, zio_done_func_t *physdone, zio_done_func_t *done, + void *private, + zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb) +{ + zio_t *zio; + + ASSERT(zp->zp_checksum >= ZIO_CHECKSUM_OFF && + zp->zp_checksum < ZIO_CHECKSUM_FUNCTIONS && + zp->zp_compress >= ZIO_COMPRESS_OFF && + zp->zp_compress < ZIO_COMPRESS_FUNCTIONS && + DMU_OT_IS_VALID(zp->zp_type) && + zp->zp_level < 32 && + zp->zp_copies > 0 && + zp->zp_copies <= spa_max_replication(spa)); + + zio = zio_create(pio, spa, txg, bp, data, size, done, private, + ZIO_TYPE_WRITE, priority, flags, NULL, 0, zb, + ZIO_STAGE_OPEN, (flags & ZIO_FLAG_DDT_CHILD) ? + ZIO_DDT_CHILD_WRITE_PIPELINE : ZIO_WRITE_PIPELINE); + + zio->io_ready = ready; + zio->io_physdone = physdone; + zio->io_prop = *zp; + + /* + * Data can be NULL if we are going to call zio_write_override() to + * provide the already-allocated BP. But we may need the data to + * verify a dedup hit (if requested). In this case, don't try to + * dedup (just take the already-allocated BP verbatim). + */ + if (data == NULL && zio->io_prop.zp_dedup_verify) { + zio->io_prop.zp_dedup = zio->io_prop.zp_dedup_verify = B_FALSE; + } + + return (zio); +} + +zio_t * +zio_rewrite(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp, void *data, + uint64_t size, zio_done_func_t *done, void *private, + zio_priority_t priority, enum zio_flag flags, zbookmark_phys_t *zb) +{ + zio_t *zio; + + zio = zio_create(pio, spa, txg, bp, data, size, done, private, + ZIO_TYPE_WRITE, priority, flags, NULL, 0, zb, + ZIO_STAGE_OPEN, ZIO_REWRITE_PIPELINE); + + return (zio); +} + +void +zio_write_override(zio_t *zio, blkptr_t *bp, int copies, boolean_t nopwrite) +{ + ASSERT(zio->io_type == ZIO_TYPE_WRITE); + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + ASSERT(zio->io_stage == ZIO_STAGE_OPEN); + ASSERT(zio->io_txg == spa_syncing_txg(zio->io_spa)); + + /* + * We must reset the io_prop to match the values that existed + * when the bp was first written by dmu_sync() keeping in mind + * that nopwrite and dedup are mutually exclusive. + */ + zio->io_prop.zp_dedup = nopwrite ? B_FALSE : zio->io_prop.zp_dedup; + zio->io_prop.zp_nopwrite = nopwrite; + zio->io_prop.zp_copies = copies; + zio->io_bp_override = bp; +} + +void +zio_free(spa_t *spa, uint64_t txg, const blkptr_t *bp) +{ + + /* + * The check for EMBEDDED is a performance optimization. We + * process the free here (by ignoring it) rather than + * putting it on the list and then processing it in zio_free_sync(). + */ + if (BP_IS_EMBEDDED(bp)) + return; + metaslab_check_free(spa, bp); + + /* + * Frees that are for the currently-syncing txg, are not going to be + * deferred, and which will not need to do a read (i.e. not GANG or + * DEDUP), can be processed immediately. Otherwise, put them on the + * in-memory list for later processing. + */ + if (BP_IS_GANG(bp) || BP_GET_DEDUP(bp) || + txg != spa->spa_syncing_txg || + spa_sync_pass(spa) >= zfs_sync_pass_deferred_free) { + bplist_append(&spa->spa_free_bplist[txg & TXG_MASK], bp); + } else { + VERIFY0(zio_wait(zio_free_sync(NULL, spa, txg, bp, 0))); + } +} + +zio_t * +zio_free_sync(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp, + enum zio_flag flags) +{ + zio_t *zio; + enum zio_stage stage = ZIO_FREE_PIPELINE; + + ASSERT(!BP_IS_HOLE(bp)); + ASSERT(spa_syncing_txg(spa) == txg); + ASSERT(spa_sync_pass(spa) < zfs_sync_pass_deferred_free); + + if (BP_IS_EMBEDDED(bp)) + return (zio_null(pio, spa, NULL, NULL, NULL, 0)); + + metaslab_check_free(spa, bp); + arc_freed(spa, bp); + + /* + * GANG and DEDUP blocks can induce a read (for the gang block header, + * or the DDT), so issue them asynchronously so that this thread is + * not tied up. + */ + if (BP_IS_GANG(bp) || BP_GET_DEDUP(bp)) + stage |= ZIO_STAGE_ISSUE_ASYNC; + + zio = zio_create(pio, spa, txg, bp, NULL, BP_GET_PSIZE(bp), + NULL, NULL, ZIO_TYPE_FREE, ZIO_PRIORITY_NOW, flags, + NULL, 0, NULL, ZIO_STAGE_OPEN, stage); + + return (zio); +} + +zio_t * +zio_claim(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp, + zio_done_func_t *done, void *private, enum zio_flag flags) +{ + zio_t *zio; + + dprintf_bp(bp, "claiming in txg %llu", txg); + + if (BP_IS_EMBEDDED(bp)) + return (zio_null(pio, spa, NULL, NULL, NULL, 0)); + + /* + * A claim is an allocation of a specific block. Claims are needed + * to support immediate writes in the intent log. The issue is that + * immediate writes contain committed data, but in a txg that was + * *not* committed. Upon opening the pool after an unclean shutdown, + * the intent log claims all blocks that contain immediate write data + * so that the SPA knows they're in use. + * + * All claims *must* be resolved in the first txg -- before the SPA + * starts allocating blocks -- so that nothing is allocated twice. + * If txg == 0 we just verify that the block is claimable. + */ + ASSERT3U(spa->spa_uberblock.ub_rootbp.blk_birth, <, spa_first_txg(spa)); + ASSERT(txg == spa_first_txg(spa) || txg == 0); + ASSERT(!BP_GET_DEDUP(bp) || !spa_writeable(spa)); /* zdb(1M) */ + + zio = zio_create(pio, spa, txg, bp, NULL, BP_GET_PSIZE(bp), + done, private, ZIO_TYPE_CLAIM, ZIO_PRIORITY_NOW, flags, + NULL, 0, NULL, ZIO_STAGE_OPEN, ZIO_CLAIM_PIPELINE); + + return (zio); +} + +zio_t * +zio_ioctl(zio_t *pio, spa_t *spa, vdev_t *vd, int cmd, + zio_done_func_t *done, void *private, enum zio_flag flags) +{ + zio_t *zio; + int c; + + if (vd->vdev_children == 0) { + zio = zio_create(pio, spa, 0, NULL, NULL, 0, done, private, + ZIO_TYPE_IOCTL, ZIO_PRIORITY_NOW, flags, vd, 0, NULL, + ZIO_STAGE_OPEN, ZIO_IOCTL_PIPELINE); + + zio->io_cmd = cmd; + } else { + zio = zio_null(pio, spa, NULL, NULL, NULL, flags); + + for (c = 0; c < vd->vdev_children; c++) + zio_nowait(zio_ioctl(zio, spa, vd->vdev_child[c], cmd, + done, private, flags)); + } + + return (zio); +} + +zio_t * +zio_read_phys(zio_t *pio, vdev_t *vd, uint64_t offset, uint64_t size, + void *data, int checksum, zio_done_func_t *done, void *private, + zio_priority_t priority, enum zio_flag flags, boolean_t labels) +{ + zio_t *zio; + + ASSERT(vd->vdev_children == 0); + ASSERT(!labels || offset + size <= VDEV_LABEL_START_SIZE || + offset >= vd->vdev_psize - VDEV_LABEL_END_SIZE); + ASSERT3U(offset + size, <=, vd->vdev_psize); + + zio = zio_create(pio, vd->vdev_spa, 0, NULL, data, size, done, private, + ZIO_TYPE_READ, priority, flags | ZIO_FLAG_PHYSICAL, vd, offset, + NULL, ZIO_STAGE_OPEN, ZIO_READ_PHYS_PIPELINE); + + zio->io_prop.zp_checksum = checksum; + + return (zio); +} + +zio_t * +zio_write_phys(zio_t *pio, vdev_t *vd, uint64_t offset, uint64_t size, + void *data, int checksum, zio_done_func_t *done, void *private, + zio_priority_t priority, enum zio_flag flags, boolean_t labels) +{ + zio_t *zio; + + ASSERT(vd->vdev_children == 0); + ASSERT(!labels || offset + size <= VDEV_LABEL_START_SIZE || + offset >= vd->vdev_psize - VDEV_LABEL_END_SIZE); + ASSERT3U(offset + size, <=, vd->vdev_psize); + + zio = zio_create(pio, vd->vdev_spa, 0, NULL, data, size, done, private, + ZIO_TYPE_WRITE, priority, flags | ZIO_FLAG_PHYSICAL, vd, offset, + NULL, ZIO_STAGE_OPEN, ZIO_WRITE_PHYS_PIPELINE); + + zio->io_prop.zp_checksum = checksum; + + if (zio_checksum_table[checksum].ci_eck) { + /* + * zec checksums are necessarily destructive -- they modify + * the end of the write buffer to hold the verifier/checksum. + * Therefore, we must make a local copy in case the data is + * being written to multiple places in parallel. + */ + void *wbuf = zio_buf_alloc(size); + bcopy(data, wbuf, size); + zio_push_transform(zio, wbuf, size, size, NULL); + } + + return (zio); +} + +/* + * Create a child I/O to do some work for us. + */ +zio_t * +zio_vdev_child_io(zio_t *pio, blkptr_t *bp, vdev_t *vd, uint64_t offset, + void *data, uint64_t size, int type, zio_priority_t priority, + enum zio_flag flags, zio_done_func_t *done, void *private) +{ + enum zio_stage pipeline = ZIO_VDEV_CHILD_PIPELINE; + zio_t *zio; + + ASSERT(vd->vdev_parent == + (pio->io_vd ? pio->io_vd : pio->io_spa->spa_root_vdev)); + + if (type == ZIO_TYPE_READ && bp != NULL) { + /* + * If we have the bp, then the child should perform the + * checksum and the parent need not. This pushes error + * detection as close to the leaves as possible and + * eliminates redundant checksums in the interior nodes. + */ + pipeline |= ZIO_STAGE_CHECKSUM_VERIFY; + pio->io_pipeline &= ~ZIO_STAGE_CHECKSUM_VERIFY; + } + + if (vd->vdev_children == 0) + offset += VDEV_LABEL_START_SIZE; + + flags |= ZIO_VDEV_CHILD_FLAGS(pio) | ZIO_FLAG_DONT_PROPAGATE; + + /* + * If we've decided to do a repair, the write is not speculative -- + * even if the original read was. + */ + if (flags & ZIO_FLAG_IO_REPAIR) + flags &= ~ZIO_FLAG_SPECULATIVE; + + zio = zio_create(pio, pio->io_spa, pio->io_txg, bp, data, size, + done, private, type, priority, flags, vd, offset, &pio->io_bookmark, + ZIO_STAGE_VDEV_IO_START >> 1, pipeline); + + zio->io_physdone = pio->io_physdone; + if (vd->vdev_ops->vdev_op_leaf && zio->io_logical != NULL) + zio->io_logical->io_phys_children++; + + return (zio); +} + +zio_t * +zio_vdev_delegated_io(vdev_t *vd, uint64_t offset, void *data, uint64_t size, + int type, zio_priority_t priority, enum zio_flag flags, + zio_done_func_t *done, void *private) +{ + zio_t *zio; + + ASSERT(vd->vdev_ops->vdev_op_leaf); + + zio = zio_create(NULL, vd->vdev_spa, 0, NULL, + data, size, done, private, type, priority, + flags | ZIO_FLAG_CANFAIL | ZIO_FLAG_DONT_RETRY | ZIO_FLAG_DELEGATED, + vd, offset, NULL, + ZIO_STAGE_VDEV_IO_START >> 1, ZIO_VDEV_CHILD_PIPELINE); + + return (zio); +} + +void +zio_flush(zio_t *zio, vdev_t *vd) +{ + zio_nowait(zio_ioctl(zio, zio->io_spa, vd, DKIOCFLUSHWRITECACHE, + NULL, NULL, + ZIO_FLAG_CANFAIL | ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY)); +} + +void +zio_shrink(zio_t *zio, uint64_t size) +{ + ASSERT(zio->io_executor == NULL); + ASSERT(zio->io_orig_size == zio->io_size); + ASSERT(size <= zio->io_size); + + /* + * We don't shrink for raidz because of problems with the + * reconstruction when reading back less than the block size. + * Note, BP_IS_RAIDZ() assumes no compression. + */ + ASSERT(BP_GET_COMPRESS(zio->io_bp) == ZIO_COMPRESS_OFF); + if (!BP_IS_RAIDZ(zio->io_bp)) + zio->io_orig_size = zio->io_size = size; +} + +/* + * ========================================================================== + * Prepare to read and write logical blocks + * ========================================================================== + */ + +static int +zio_read_bp_init(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + + if (BP_GET_COMPRESS(bp) != ZIO_COMPRESS_OFF && + zio->io_child_type == ZIO_CHILD_LOGICAL && + !(zio->io_flags & ZIO_FLAG_RAW)) { + uint64_t psize = + BP_IS_EMBEDDED(bp) ? BPE_GET_PSIZE(bp) : BP_GET_PSIZE(bp); + void *cbuf = zio_buf_alloc(psize); + + zio_push_transform(zio, cbuf, psize, psize, zio_decompress); + } + + if (BP_IS_EMBEDDED(bp) && BPE_GET_ETYPE(bp) == BP_EMBEDDED_TYPE_DATA) { + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + decode_embedded_bp_compressed(bp, zio->io_data); + } else { + ASSERT(!BP_IS_EMBEDDED(bp)); + } + + if (!DMU_OT_IS_METADATA(BP_GET_TYPE(bp)) && BP_GET_LEVEL(bp) == 0) + zio->io_flags |= ZIO_FLAG_DONT_CACHE; + + if (BP_GET_TYPE(bp) == DMU_OT_DDT_ZAP) + zio->io_flags |= ZIO_FLAG_DONT_CACHE; + + if (BP_GET_DEDUP(bp) && zio->io_child_type == ZIO_CHILD_LOGICAL) + zio->io_pipeline = ZIO_DDT_READ_PIPELINE; + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_write_bp_init(zio_t *zio) +{ + spa_t *spa = zio->io_spa; + zio_prop_t *zp = &zio->io_prop; + enum zio_compress compress = zp->zp_compress; + blkptr_t *bp = zio->io_bp; + uint64_t lsize = zio->io_size; + uint64_t psize = lsize; + int pass = 1; + + /* + * If our children haven't all reached the ready stage, + * wait for them and then repeat this pipeline stage. + */ + if (zio_wait_for_children(zio, ZIO_CHILD_GANG, ZIO_WAIT_READY) || + zio_wait_for_children(zio, ZIO_CHILD_LOGICAL, ZIO_WAIT_READY)) + return (ZIO_PIPELINE_STOP); + + if (!IO_IS_ALLOCATING(zio)) + return (ZIO_PIPELINE_CONTINUE); + + ASSERT(zio->io_child_type != ZIO_CHILD_DDT); + + if (zio->io_bp_override) { + ASSERT(bp->blk_birth != zio->io_txg); + ASSERT(BP_GET_DEDUP(zio->io_bp_override) == 0); + + *bp = *zio->io_bp_override; + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + + if (BP_IS_EMBEDDED(bp)) + return (ZIO_PIPELINE_CONTINUE); + + /* + * If we've been overridden and nopwrite is set then + * set the flag accordingly to indicate that a nopwrite + * has already occurred. + */ + if (!BP_IS_HOLE(bp) && zp->zp_nopwrite) { + ASSERT(!zp->zp_dedup); + zio->io_flags |= ZIO_FLAG_NOPWRITE; + return (ZIO_PIPELINE_CONTINUE); + } + + ASSERT(!zp->zp_nopwrite); + + if (BP_IS_HOLE(bp) || !zp->zp_dedup) + return (ZIO_PIPELINE_CONTINUE); + + ASSERT(zio_checksum_table[zp->zp_checksum].ci_dedup || + zp->zp_dedup_verify); + + if (BP_GET_CHECKSUM(bp) == zp->zp_checksum) { + BP_SET_DEDUP(bp, 1); + zio->io_pipeline |= ZIO_STAGE_DDT_WRITE; + return (ZIO_PIPELINE_CONTINUE); + } + } + + if (!BP_IS_HOLE(bp) && bp->blk_birth == zio->io_txg) { + /* + * We're rewriting an existing block, which means we're + * working on behalf of spa_sync(). For spa_sync() to + * converge, it must eventually be the case that we don't + * have to allocate new blocks. But compression changes + * the blocksize, which forces a reallocate, and makes + * convergence take longer. Therefore, after the first + * few passes, stop compressing to ensure convergence. + */ + pass = spa_sync_pass(spa); + + ASSERT(zio->io_txg == spa_syncing_txg(spa)); + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + ASSERT(!BP_GET_DEDUP(bp)); + + if (pass >= zfs_sync_pass_dont_compress) + compress = ZIO_COMPRESS_OFF; + + /* Make sure someone doesn't change their mind on overwrites */ + ASSERT(BP_IS_EMBEDDED(bp) || MIN(zp->zp_copies + BP_IS_GANG(bp), + spa_max_replication(spa)) == BP_GET_NDVAS(bp)); + } + + if (compress != ZIO_COMPRESS_OFF) { + void *cbuf = zio_buf_alloc(lsize); + psize = zio_compress_data(compress, zio->io_data, cbuf, lsize); + if (psize == 0 || psize == lsize) { + compress = ZIO_COMPRESS_OFF; + zio_buf_free(cbuf, lsize); + } else if (!zp->zp_dedup && psize <= BPE_PAYLOAD_SIZE && + zp->zp_level == 0 && !DMU_OT_HAS_FILL(zp->zp_type) && + spa_feature_is_enabled(spa, SPA_FEATURE_EMBEDDED_DATA)) { + encode_embedded_bp_compressed(bp, + cbuf, compress, lsize, psize); + BPE_SET_ETYPE(bp, BP_EMBEDDED_TYPE_DATA); + BP_SET_TYPE(bp, zio->io_prop.zp_type); + BP_SET_LEVEL(bp, zio->io_prop.zp_level); + zio_buf_free(cbuf, lsize); + bp->blk_birth = zio->io_txg; + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + ASSERT(spa_feature_is_active(spa, + SPA_FEATURE_EMBEDDED_DATA)); + return (ZIO_PIPELINE_CONTINUE); + } else { + /* + * Round up compressed size up to the ashift + * of the smallest-ashift device, and zero the tail. + * This ensures that the compressed size of the BP + * (and thus compressratio property) are correct, + * in that we charge for the padding used to fill out + * the last sector. + */ + size_t rounded; + + ASSERT3U(spa->spa_min_ashift, >=, SPA_MINBLOCKSHIFT); + + rounded = (size_t)P2ROUNDUP(psize, + 1ULL << spa->spa_min_ashift); + if (rounded >= lsize) { + compress = ZIO_COMPRESS_OFF; + zio_buf_free(cbuf, lsize); + psize = lsize; + } else { + bzero((char *)cbuf + psize, rounded - psize); + psize = rounded; + zio_push_transform(zio, cbuf, + psize, lsize, NULL); + } + } + } + + /* + * The final pass of spa_sync() must be all rewrites, but the first + * few passes offer a trade-off: allocating blocks defers convergence, + * but newly allocated blocks are sequential, so they can be written + * to disk faster. Therefore, we allow the first few passes of + * spa_sync() to allocate new blocks, but force rewrites after that. + * There should only be a handful of blocks after pass 1 in any case. + */ + if (!BP_IS_HOLE(bp) && bp->blk_birth == zio->io_txg && + BP_GET_PSIZE(bp) == psize && + pass >= zfs_sync_pass_rewrite) { + enum zio_stage gang_stages = zio->io_pipeline & ZIO_GANG_STAGES; + ASSERT(psize != 0); + zio->io_pipeline = ZIO_REWRITE_PIPELINE | gang_stages; + zio->io_flags |= ZIO_FLAG_IO_REWRITE; + } else { + BP_ZERO(bp); + zio->io_pipeline = ZIO_WRITE_PIPELINE; + } + + if (psize == 0) { + if (zio->io_bp_orig.blk_birth != 0 && + spa_feature_is_active(spa, SPA_FEATURE_HOLE_BIRTH)) { + BP_SET_LSIZE(bp, lsize); + BP_SET_TYPE(bp, zp->zp_type); + BP_SET_LEVEL(bp, zp->zp_level); + BP_SET_BIRTH(bp, zio->io_txg, 0); + } + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + } else { + ASSERT(zp->zp_checksum != ZIO_CHECKSUM_GANG_HEADER); + BP_SET_LSIZE(bp, lsize); + BP_SET_TYPE(bp, zp->zp_type); + BP_SET_LEVEL(bp, zp->zp_level); + BP_SET_PSIZE(bp, psize); + BP_SET_COMPRESS(bp, compress); + BP_SET_CHECKSUM(bp, zp->zp_checksum); + BP_SET_DEDUP(bp, zp->zp_dedup); + BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); + if (zp->zp_dedup) { + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + ASSERT(!(zio->io_flags & ZIO_FLAG_IO_REWRITE)); + zio->io_pipeline = ZIO_DDT_WRITE_PIPELINE; + } + if (zp->zp_nopwrite) { + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + ASSERT(!(zio->io_flags & ZIO_FLAG_IO_REWRITE)); + zio->io_pipeline |= ZIO_STAGE_NOP_WRITE; + } + } + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_free_bp_init(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + + if (zio->io_child_type == ZIO_CHILD_LOGICAL) { + if (BP_GET_DEDUP(bp)) + zio->io_pipeline = ZIO_DDT_FREE_PIPELINE; + } + + return (ZIO_PIPELINE_CONTINUE); +} + +/* + * ========================================================================== + * Execute the I/O pipeline + * ========================================================================== + */ + +static void +zio_taskq_dispatch(zio_t *zio, zio_taskq_type_t q, boolean_t cutinline) +{ + spa_t *spa = zio->io_spa; + zio_type_t t = zio->io_type; + int flags = (cutinline ? TQ_FRONT : 0); + + /* + * If we're a config writer or a probe, the normal issue and + * interrupt threads may all be blocked waiting for the config lock. + * In this case, select the otherwise-unused taskq for ZIO_TYPE_NULL. + */ + if (zio->io_flags & (ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_PROBE)) + t = ZIO_TYPE_NULL; + + /* + * A similar issue exists for the L2ARC write thread until L2ARC 2.0. + */ + if (t == ZIO_TYPE_WRITE && zio->io_vd && zio->io_vd->vdev_aux) + t = ZIO_TYPE_NULL; + + /* + * If this is a high priority I/O, then use the high priority taskq if + * available. + */ + if (zio->io_priority == ZIO_PRIORITY_NOW && + spa->spa_zio_taskq[t][q + 1].stqs_count != 0) + q++; + + ASSERT3U(q, <, ZIO_TASKQ_TYPES); + + /* + * NB: We are assuming that the zio can only be dispatched + * to a single taskq at a time. It would be a grievous error + * to dispatch the zio to another taskq at the same time. + */ + ASSERT(taskq_empty_ent(&zio->io_tqent)); + spa_taskq_dispatch_ent(spa, t, q, (task_func_t *)zio_execute, zio, + flags, &zio->io_tqent); +} + +static boolean_t +zio_taskq_member(zio_t *zio, zio_taskq_type_t q) +{ + kthread_t *executor = zio->io_executor; + spa_t *spa = zio->io_spa; + zio_type_t t; + + for (t = 0; t < ZIO_TYPES; t++) { + spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q]; + uint_t i; + for (i = 0; i < tqs->stqs_count; i++) { + if (taskq_member(tqs->stqs_taskq[i], executor)) + return (B_TRUE); + } + } + + return (B_FALSE); +} + +static int +zio_issue_async(zio_t *zio) +{ + zio_taskq_dispatch(zio, ZIO_TASKQ_ISSUE, B_FALSE); + + return (ZIO_PIPELINE_STOP); +} + +void +zio_interrupt(zio_t *zio) +{ + zio_taskq_dispatch(zio, ZIO_TASKQ_INTERRUPT, B_FALSE); +} + +/* + * Execute the I/O pipeline until one of the following occurs: + * (1) the I/O completes; (2) the pipeline stalls waiting for + * dependent child I/Os; (3) the I/O issues, so we're waiting + * for an I/O completion interrupt; (4) the I/O is delegated by + * vdev-level caching or aggregation; (5) the I/O is deferred + * due to vdev-level queueing; (6) the I/O is handed off to + * another thread. In all cases, the pipeline stops whenever + * there's no CPU work; it never burns a thread in cv_wait_io(). + * + * There's no locking on io_stage because there's no legitimate way + * for multiple threads to be attempting to process the same I/O. + */ +static zio_pipe_stage_t *zio_pipeline[]; + +/* + * zio_execute() is a wrapper around the static function + * __zio_execute() so that we can force __zio_execute() to be + * inlined. This reduces stack overhead which is important + * because __zio_execute() is called recursively in several zio + * code paths. zio_execute() itself cannot be inlined because + * it is externally visible. + */ +void +zio_execute(zio_t *zio) +{ + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + __zio_execute(zio); + spl_fstrans_unmark(cookie); +} + +/* + * Used to determine if in the current context the stack is sized large + * enough to allow zio_execute() to be called recursively. A minimum + * stack size of 16K is required to avoid needing to re-dispatch the zio. + */ +boolean_t +zio_execute_stack_check(zio_t *zio) +{ +#if !defined(HAVE_LARGE_STACKS) + dsl_pool_t *dp = spa_get_dsl(zio->io_spa); + + /* Executing in txg_sync_thread() context. */ + if (dp && curthread == dp->dp_tx.tx_sync_thread) + return (B_TRUE); + + /* Pool initialization outside of zio_taskq context. */ + if (dp && spa_is_initializing(dp->dp_spa) && + !zio_taskq_member(zio, ZIO_TASKQ_ISSUE) && + !zio_taskq_member(zio, ZIO_TASKQ_ISSUE_HIGH)) + return (B_TRUE); +#endif /* HAVE_LARGE_STACKS */ + + return (B_FALSE); +} + +__attribute__((always_inline)) +static inline void +__zio_execute(zio_t *zio) +{ + zio->io_executor = curthread; + + while (zio->io_stage < ZIO_STAGE_DONE) { + enum zio_stage pipeline = zio->io_pipeline; + enum zio_stage stage = zio->io_stage; + int rv; + + ASSERT(!MUTEX_HELD(&zio->io_lock)); + ASSERT(ISP2(stage)); + ASSERT(zio->io_stall == NULL); + + do { + stage <<= 1; + } while ((stage & pipeline) == 0); + + ASSERT(stage <= ZIO_STAGE_DONE); + + /* + * If we are in interrupt context and this pipeline stage + * will grab a config lock that is held across I/O, + * or may wait for an I/O that needs an interrupt thread + * to complete, issue async to avoid deadlock. + * + * For VDEV_IO_START, we cut in line so that the io will + * be sent to disk promptly. + */ + if ((stage & ZIO_BLOCKING_STAGES) && zio->io_vd == NULL && + zio_taskq_member(zio, ZIO_TASKQ_INTERRUPT)) { + boolean_t cut = (stage == ZIO_STAGE_VDEV_IO_START) ? + zio_requeue_io_start_cut_in_line : B_FALSE; + zio_taskq_dispatch(zio, ZIO_TASKQ_ISSUE, cut); + return; + } + + /* + * If the current context doesn't have large enough stacks + * the zio must be issued asynchronously to prevent overflow. + */ + if (zio_execute_stack_check(zio)) { + boolean_t cut = (stage == ZIO_STAGE_VDEV_IO_START) ? + zio_requeue_io_start_cut_in_line : B_FALSE; + zio_taskq_dispatch(zio, ZIO_TASKQ_ISSUE, cut); + return; + } + + zio->io_stage = stage; + rv = zio_pipeline[highbit64(stage) - 1](zio); + + if (rv == ZIO_PIPELINE_STOP) + return; + + ASSERT(rv == ZIO_PIPELINE_CONTINUE); + } +} + + +/* + * ========================================================================== + * Initiate I/O, either sync or async + * ========================================================================== + */ +int +zio_wait(zio_t *zio) +{ + int error; + + ASSERT(zio->io_stage == ZIO_STAGE_OPEN); + ASSERT(zio->io_executor == NULL); + + zio->io_waiter = curthread; + + __zio_execute(zio); + + mutex_enter(&zio->io_lock); + while (zio->io_executor != NULL) + cv_wait_io(&zio->io_cv, &zio->io_lock); + mutex_exit(&zio->io_lock); + + error = zio->io_error; + zio_destroy(zio); + + return (error); +} + +void +zio_nowait(zio_t *zio) +{ + ASSERT(zio->io_executor == NULL); + + if (zio->io_child_type == ZIO_CHILD_LOGICAL && + zio_unique_parent(zio) == NULL) { + zio_t *pio; + + /* + * This is a logical async I/O with no parent to wait for it. + * We add it to the spa_async_root_zio "Godfather" I/O which + * will ensure they complete prior to unloading the pool. + */ + spa_t *spa = zio->io_spa; + kpreempt_disable(); + pio = spa->spa_async_zio_root[CPU_SEQID]; + kpreempt_enable(); + + zio_add_child(pio, zio); + } + + __zio_execute(zio); +} + +/* + * ========================================================================== + * Reexecute or suspend/resume failed I/O + * ========================================================================== + */ + +static void +zio_reexecute(zio_t *pio) +{ + zio_t *cio, *cio_next; + int c, w; + + ASSERT(pio->io_child_type == ZIO_CHILD_LOGICAL); + ASSERT(pio->io_orig_stage == ZIO_STAGE_OPEN); + ASSERT(pio->io_gang_leader == NULL); + ASSERT(pio->io_gang_tree == NULL); + + pio->io_flags = pio->io_orig_flags; + pio->io_stage = pio->io_orig_stage; + pio->io_pipeline = pio->io_orig_pipeline; + pio->io_reexecute = 0; + pio->io_flags |= ZIO_FLAG_REEXECUTED; + pio->io_error = 0; + for (w = 0; w < ZIO_WAIT_TYPES; w++) + pio->io_state[w] = 0; + for (c = 0; c < ZIO_CHILD_TYPES; c++) + pio->io_child_error[c] = 0; + + if (IO_IS_ALLOCATING(pio)) + BP_ZERO(pio->io_bp); + + /* + * As we reexecute pio's children, new children could be created. + * New children go to the head of pio's io_child_list, however, + * so we will (correctly) not reexecute them. The key is that + * the remainder of pio's io_child_list, from 'cio_next' onward, + * cannot be affected by any side effects of reexecuting 'cio'. + */ + for (cio = zio_walk_children(pio); cio != NULL; cio = cio_next) { + cio_next = zio_walk_children(pio); + mutex_enter(&pio->io_lock); + for (w = 0; w < ZIO_WAIT_TYPES; w++) + pio->io_children[cio->io_child_type][w]++; + mutex_exit(&pio->io_lock); + zio_reexecute(cio); + } + + /* + * Now that all children have been reexecuted, execute the parent. + * We don't reexecute "The Godfather" I/O here as it's the + * responsibility of the caller to wait on him. + */ + if (!(pio->io_flags & ZIO_FLAG_GODFATHER)) + __zio_execute(pio); +} + +void +zio_suspend(spa_t *spa, zio_t *zio) +{ + if (spa_get_failmode(spa) == ZIO_FAILURE_MODE_PANIC) + fm_panic("Pool '%s' has encountered an uncorrectable I/O " + "failure and the failure mode property for this pool " + "is set to panic.", spa_name(spa)); + + cmn_err(CE_WARN, "Pool '%s' has encountered an uncorrectable I/O " + "failure and has been suspended.\n", spa_name(spa)); + + zfs_ereport_post(FM_EREPORT_ZFS_IO_FAILURE, spa, NULL, NULL, 0, 0); + + mutex_enter(&spa->spa_suspend_lock); + + if (spa->spa_suspend_zio_root == NULL) + spa->spa_suspend_zio_root = zio_root(spa, NULL, NULL, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | + ZIO_FLAG_GODFATHER); + + spa->spa_suspended = B_TRUE; + + if (zio != NULL) { + ASSERT(!(zio->io_flags & ZIO_FLAG_GODFATHER)); + ASSERT(zio != spa->spa_suspend_zio_root); + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + ASSERT(zio_unique_parent(zio) == NULL); + ASSERT(zio->io_stage == ZIO_STAGE_DONE); + zio_add_child(spa->spa_suspend_zio_root, zio); + } + + mutex_exit(&spa->spa_suspend_lock); +} + +int +zio_resume(spa_t *spa) +{ + zio_t *pio; + + /* + * Reexecute all previously suspended i/o. + */ + mutex_enter(&spa->spa_suspend_lock); + spa->spa_suspended = B_FALSE; + cv_broadcast(&spa->spa_suspend_cv); + pio = spa->spa_suspend_zio_root; + spa->spa_suspend_zio_root = NULL; + mutex_exit(&spa->spa_suspend_lock); + + if (pio == NULL) + return (0); + + zio_reexecute(pio); + return (zio_wait(pio)); +} + +void +zio_resume_wait(spa_t *spa) +{ + mutex_enter(&spa->spa_suspend_lock); + while (spa_suspended(spa)) + cv_wait(&spa->spa_suspend_cv, &spa->spa_suspend_lock); + mutex_exit(&spa->spa_suspend_lock); +} + +/* + * ========================================================================== + * Gang blocks. + * + * A gang block is a collection of small blocks that looks to the DMU + * like one large block. When zio_dva_allocate() cannot find a block + * of the requested size, due to either severe fragmentation or the pool + * being nearly full, it calls zio_write_gang_block() to construct the + * block from smaller fragments. + * + * A gang block consists of a gang header (zio_gbh_phys_t) and up to + * three (SPA_GBH_NBLKPTRS) gang members. The gang header is just like + * an indirect block: it's an array of block pointers. It consumes + * only one sector and hence is allocatable regardless of fragmentation. + * The gang header's bps point to its gang members, which hold the data. + * + * Gang blocks are self-checksumming, using the bp's + * as the verifier to ensure uniqueness of the SHA256 checksum. + * Critically, the gang block bp's blk_cksum is the checksum of the data, + * not the gang header. This ensures that data block signatures (needed for + * deduplication) are independent of how the block is physically stored. + * + * Gang blocks can be nested: a gang member may itself be a gang block. + * Thus every gang block is a tree in which root and all interior nodes are + * gang headers, and the leaves are normal blocks that contain user data. + * The root of the gang tree is called the gang leader. + * + * To perform any operation (read, rewrite, free, claim) on a gang block, + * zio_gang_assemble() first assembles the gang tree (minus data leaves) + * in the io_gang_tree field of the original logical i/o by recursively + * reading the gang leader and all gang headers below it. This yields + * an in-core tree containing the contents of every gang header and the + * bps for every constituent of the gang block. + * + * With the gang tree now assembled, zio_gang_issue() just walks the gang tree + * and invokes a callback on each bp. To free a gang block, zio_gang_issue() + * calls zio_free_gang() -- a trivial wrapper around zio_free() -- for each bp. + * zio_claim_gang() provides a similarly trivial wrapper for zio_claim(). + * zio_read_gang() is a wrapper around zio_read() that omits reading gang + * headers, since we already have those in io_gang_tree. zio_rewrite_gang() + * performs a zio_rewrite() of the data or, for gang headers, a zio_rewrite() + * of the gang header plus zio_checksum_compute() of the data to update the + * gang header's blk_cksum as described above. + * + * The two-phase assemble/issue model solves the problem of partial failure -- + * what if you'd freed part of a gang block but then couldn't read the + * gang header for another part? Assembling the entire gang tree first + * ensures that all the necessary gang header I/O has succeeded before + * starting the actual work of free, claim, or write. Once the gang tree + * is assembled, free and claim are in-memory operations that cannot fail. + * + * In the event that a gang write fails, zio_dva_unallocate() walks the + * gang tree to immediately free (i.e. insert back into the space map) + * everything we've allocated. This ensures that we don't get ENOSPC + * errors during repeated suspend/resume cycles due to a flaky device. + * + * Gang rewrites only happen during sync-to-convergence. If we can't assemble + * the gang tree, we won't modify the block, so we can safely defer the free + * (knowing that the block is still intact). If we *can* assemble the gang + * tree, then even if some of the rewrites fail, zio_dva_unallocate() will free + * each constituent bp and we can allocate a new block on the next sync pass. + * + * In all cases, the gang tree allows complete recovery from partial failure. + * ========================================================================== + */ + +static zio_t * +zio_read_gang(zio_t *pio, blkptr_t *bp, zio_gang_node_t *gn, void *data) +{ + if (gn != NULL) + return (pio); + + return (zio_read(pio, pio->io_spa, bp, data, BP_GET_PSIZE(bp), + NULL, NULL, pio->io_priority, ZIO_GANG_CHILD_FLAGS(pio), + &pio->io_bookmark)); +} + +zio_t * +zio_rewrite_gang(zio_t *pio, blkptr_t *bp, zio_gang_node_t *gn, void *data) +{ + zio_t *zio; + + if (gn != NULL) { + zio = zio_rewrite(pio, pio->io_spa, pio->io_txg, bp, + gn->gn_gbh, SPA_GANGBLOCKSIZE, NULL, NULL, pio->io_priority, + ZIO_GANG_CHILD_FLAGS(pio), &pio->io_bookmark); + /* + * As we rewrite each gang header, the pipeline will compute + * a new gang block header checksum for it; but no one will + * compute a new data checksum, so we do that here. The one + * exception is the gang leader: the pipeline already computed + * its data checksum because that stage precedes gang assembly. + * (Presently, nothing actually uses interior data checksums; + * this is just good hygiene.) + */ + if (gn != pio->io_gang_leader->io_gang_tree) { + zio_checksum_compute(zio, BP_GET_CHECKSUM(bp), + data, BP_GET_PSIZE(bp)); + } + /* + * If we are here to damage data for testing purposes, + * leave the GBH alone so that we can detect the damage. + */ + if (pio->io_gang_leader->io_flags & ZIO_FLAG_INDUCE_DAMAGE) + zio->io_pipeline &= ~ZIO_VDEV_IO_STAGES; + } else { + zio = zio_rewrite(pio, pio->io_spa, pio->io_txg, bp, + data, BP_GET_PSIZE(bp), NULL, NULL, pio->io_priority, + ZIO_GANG_CHILD_FLAGS(pio), &pio->io_bookmark); + } + + return (zio); +} + +/* ARGSUSED */ +zio_t * +zio_free_gang(zio_t *pio, blkptr_t *bp, zio_gang_node_t *gn, void *data) +{ + return (zio_free_sync(pio, pio->io_spa, pio->io_txg, bp, + ZIO_GANG_CHILD_FLAGS(pio))); +} + +/* ARGSUSED */ +zio_t * +zio_claim_gang(zio_t *pio, blkptr_t *bp, zio_gang_node_t *gn, void *data) +{ + return (zio_claim(pio, pio->io_spa, pio->io_txg, bp, + NULL, NULL, ZIO_GANG_CHILD_FLAGS(pio))); +} + +static zio_gang_issue_func_t *zio_gang_issue_func[ZIO_TYPES] = { + NULL, + zio_read_gang, + zio_rewrite_gang, + zio_free_gang, + zio_claim_gang, + NULL +}; + +static void zio_gang_tree_assemble_done(zio_t *zio); + +static zio_gang_node_t * +zio_gang_node_alloc(zio_gang_node_t **gnpp) +{ + zio_gang_node_t *gn; + + ASSERT(*gnpp == NULL); + + gn = kmem_zalloc(sizeof (*gn), KM_SLEEP); + gn->gn_gbh = zio_buf_alloc(SPA_GANGBLOCKSIZE); + *gnpp = gn; + + return (gn); +} + +static void +zio_gang_node_free(zio_gang_node_t **gnpp) +{ + zio_gang_node_t *gn = *gnpp; + int g; + + for (g = 0; g < SPA_GBH_NBLKPTRS; g++) + ASSERT(gn->gn_child[g] == NULL); + + zio_buf_free(gn->gn_gbh, SPA_GANGBLOCKSIZE); + kmem_free(gn, sizeof (*gn)); + *gnpp = NULL; +} + +static void +zio_gang_tree_free(zio_gang_node_t **gnpp) +{ + zio_gang_node_t *gn = *gnpp; + int g; + + if (gn == NULL) + return; + + for (g = 0; g < SPA_GBH_NBLKPTRS; g++) + zio_gang_tree_free(&gn->gn_child[g]); + + zio_gang_node_free(gnpp); +} + +static void +zio_gang_tree_assemble(zio_t *gio, blkptr_t *bp, zio_gang_node_t **gnpp) +{ + zio_gang_node_t *gn = zio_gang_node_alloc(gnpp); + + ASSERT(gio->io_gang_leader == gio); + ASSERT(BP_IS_GANG(bp)); + + zio_nowait(zio_read(gio, gio->io_spa, bp, gn->gn_gbh, + SPA_GANGBLOCKSIZE, zio_gang_tree_assemble_done, gn, + gio->io_priority, ZIO_GANG_CHILD_FLAGS(gio), &gio->io_bookmark)); +} + +static void +zio_gang_tree_assemble_done(zio_t *zio) +{ + zio_t *gio = zio->io_gang_leader; + zio_gang_node_t *gn = zio->io_private; + blkptr_t *bp = zio->io_bp; + int g; + + ASSERT(gio == zio_unique_parent(zio)); + ASSERT(zio->io_child_count == 0); + + if (zio->io_error) + return; + + if (BP_SHOULD_BYTESWAP(bp)) + byteswap_uint64_array(zio->io_data, zio->io_size); + + ASSERT(zio->io_data == gn->gn_gbh); + ASSERT(zio->io_size == SPA_GANGBLOCKSIZE); + ASSERT(gn->gn_gbh->zg_tail.zec_magic == ZEC_MAGIC); + + for (g = 0; g < SPA_GBH_NBLKPTRS; g++) { + blkptr_t *gbp = &gn->gn_gbh->zg_blkptr[g]; + if (!BP_IS_GANG(gbp)) + continue; + zio_gang_tree_assemble(gio, gbp, &gn->gn_child[g]); + } +} + +static void +zio_gang_tree_issue(zio_t *pio, zio_gang_node_t *gn, blkptr_t *bp, void *data) +{ + zio_t *gio = pio->io_gang_leader; + zio_t *zio; + int g; + + ASSERT(BP_IS_GANG(bp) == !!gn); + ASSERT(BP_GET_CHECKSUM(bp) == BP_GET_CHECKSUM(gio->io_bp)); + ASSERT(BP_GET_LSIZE(bp) == BP_GET_PSIZE(bp) || gn == gio->io_gang_tree); + + /* + * If you're a gang header, your data is in gn->gn_gbh. + * If you're a gang member, your data is in 'data' and gn == NULL. + */ + zio = zio_gang_issue_func[gio->io_type](pio, bp, gn, data); + + if (gn != NULL) { + ASSERT(gn->gn_gbh->zg_tail.zec_magic == ZEC_MAGIC); + + for (g = 0; g < SPA_GBH_NBLKPTRS; g++) { + blkptr_t *gbp = &gn->gn_gbh->zg_blkptr[g]; + if (BP_IS_HOLE(gbp)) + continue; + zio_gang_tree_issue(zio, gn->gn_child[g], gbp, data); + data = (char *)data + BP_GET_PSIZE(gbp); + } + } + + if (gn == gio->io_gang_tree) + ASSERT3P((char *)gio->io_data + gio->io_size, ==, data); + + if (zio != pio) + zio_nowait(zio); +} + +static int +zio_gang_assemble(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + + ASSERT(BP_IS_GANG(bp) && zio->io_gang_leader == NULL); + ASSERT(zio->io_child_type > ZIO_CHILD_GANG); + + zio->io_gang_leader = zio; + + zio_gang_tree_assemble(zio, bp, &zio->io_gang_tree); + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_gang_issue(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + + if (zio_wait_for_children(zio, ZIO_CHILD_GANG, ZIO_WAIT_DONE)) + return (ZIO_PIPELINE_STOP); + + ASSERT(BP_IS_GANG(bp) && zio->io_gang_leader == zio); + ASSERT(zio->io_child_type > ZIO_CHILD_GANG); + + if (zio->io_child_error[ZIO_CHILD_GANG] == 0) + zio_gang_tree_issue(zio, zio->io_gang_tree, bp, zio->io_data); + else + zio_gang_tree_free(&zio->io_gang_tree); + + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + + return (ZIO_PIPELINE_CONTINUE); +} + +static void +zio_write_gang_member_ready(zio_t *zio) +{ + zio_t *pio = zio_unique_parent(zio); + dva_t *cdva = zio->io_bp->blk_dva; + dva_t *pdva = pio->io_bp->blk_dva; + uint64_t asize; + int d; + ASSERTV(zio_t *gio = zio->io_gang_leader); + + if (BP_IS_HOLE(zio->io_bp)) + return; + + ASSERT(BP_IS_HOLE(&zio->io_bp_orig)); + + ASSERT(zio->io_child_type == ZIO_CHILD_GANG); + ASSERT3U(zio->io_prop.zp_copies, ==, gio->io_prop.zp_copies); + ASSERT3U(zio->io_prop.zp_copies, <=, BP_GET_NDVAS(zio->io_bp)); + ASSERT3U(pio->io_prop.zp_copies, <=, BP_GET_NDVAS(pio->io_bp)); + ASSERT3U(BP_GET_NDVAS(zio->io_bp), <=, BP_GET_NDVAS(pio->io_bp)); + + mutex_enter(&pio->io_lock); + for (d = 0; d < BP_GET_NDVAS(zio->io_bp); d++) { + ASSERT(DVA_GET_GANG(&pdva[d])); + asize = DVA_GET_ASIZE(&pdva[d]); + asize += DVA_GET_ASIZE(&cdva[d]); + DVA_SET_ASIZE(&pdva[d], asize); + } + mutex_exit(&pio->io_lock); +} + +static int +zio_write_gang_block(zio_t *pio) +{ + spa_t *spa = pio->io_spa; + blkptr_t *bp = pio->io_bp; + zio_t *gio = pio->io_gang_leader; + zio_t *zio; + zio_gang_node_t *gn, **gnpp; + zio_gbh_phys_t *gbh; + uint64_t txg = pio->io_txg; + uint64_t resid = pio->io_size; + uint64_t lsize; + int copies = gio->io_prop.zp_copies; + int gbh_copies = MIN(copies + 1, spa_max_replication(spa)); + zio_prop_t zp; + int g, error; + + error = metaslab_alloc(spa, spa_normal_class(spa), SPA_GANGBLOCKSIZE, + bp, gbh_copies, txg, pio == gio ? NULL : gio->io_bp, + METASLAB_HINTBP_FAVOR | METASLAB_GANG_HEADER); + if (error) { + pio->io_error = error; + return (ZIO_PIPELINE_CONTINUE); + } + + if (pio == gio) { + gnpp = &gio->io_gang_tree; + } else { + gnpp = pio->io_private; + ASSERT(pio->io_ready == zio_write_gang_member_ready); + } + + gn = zio_gang_node_alloc(gnpp); + gbh = gn->gn_gbh; + bzero(gbh, SPA_GANGBLOCKSIZE); + + /* + * Create the gang header. + */ + zio = zio_rewrite(pio, spa, txg, bp, gbh, SPA_GANGBLOCKSIZE, NULL, NULL, + pio->io_priority, ZIO_GANG_CHILD_FLAGS(pio), &pio->io_bookmark); + + /* + * Create and nowait the gang children. + */ + for (g = 0; resid != 0; resid -= lsize, g++) { + lsize = P2ROUNDUP(resid / (SPA_GBH_NBLKPTRS - g), + SPA_MINBLOCKSIZE); + ASSERT(lsize >= SPA_MINBLOCKSIZE && lsize <= resid); + + zp.zp_checksum = gio->io_prop.zp_checksum; + zp.zp_compress = ZIO_COMPRESS_OFF; + zp.zp_type = DMU_OT_NONE; + zp.zp_level = 0; + zp.zp_copies = gio->io_prop.zp_copies; + zp.zp_dedup = B_FALSE; + zp.zp_dedup_verify = B_FALSE; + zp.zp_nopwrite = B_FALSE; + + zio_nowait(zio_write(zio, spa, txg, &gbh->zg_blkptr[g], + (char *)pio->io_data + (pio->io_size - resid), lsize, &zp, + zio_write_gang_member_ready, NULL, NULL, &gn->gn_child[g], + pio->io_priority, ZIO_GANG_CHILD_FLAGS(pio), + &pio->io_bookmark)); + } + + /* + * Set pio's pipeline to just wait for zio to finish. + */ + pio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + + /* + * We didn't allocate this bp, so make sure it doesn't get unmarked. + */ + pio->io_flags &= ~ZIO_FLAG_FASTWRITE; + + zio_nowait(zio); + + return (ZIO_PIPELINE_CONTINUE); +} + +/* + * The zio_nop_write stage in the pipeline determines if allocating + * a new bp is necessary. By leveraging a cryptographically secure checksum, + * such as SHA256, we can compare the checksums of the new data and the old + * to determine if allocating a new block is required. The nopwrite + * feature can handle writes in either syncing or open context (i.e. zil + * writes) and as a result is mutually exclusive with dedup. + */ +static int +zio_nop_write(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + blkptr_t *bp_orig = &zio->io_bp_orig; + zio_prop_t *zp = &zio->io_prop; + + ASSERT(BP_GET_LEVEL(bp) == 0); + ASSERT(!(zio->io_flags & ZIO_FLAG_IO_REWRITE)); + ASSERT(zp->zp_nopwrite); + ASSERT(!zp->zp_dedup); + ASSERT(zio->io_bp_override == NULL); + ASSERT(IO_IS_ALLOCATING(zio)); + + /* + * Check to see if the original bp and the new bp have matching + * characteristics (i.e. same checksum, compression algorithms, etc). + * If they don't then just continue with the pipeline which will + * allocate a new bp. + */ + if (BP_IS_HOLE(bp_orig) || + !zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_dedup || + BP_GET_CHECKSUM(bp) != BP_GET_CHECKSUM(bp_orig) || + BP_GET_COMPRESS(bp) != BP_GET_COMPRESS(bp_orig) || + BP_GET_DEDUP(bp) != BP_GET_DEDUP(bp_orig) || + zp->zp_copies != BP_GET_NDVAS(bp_orig)) + return (ZIO_PIPELINE_CONTINUE); + + /* + * If the checksums match then reset the pipeline so that we + * avoid allocating a new bp and issuing any I/O. + */ + if (ZIO_CHECKSUM_EQUAL(bp->blk_cksum, bp_orig->blk_cksum)) { + ASSERT(zio_checksum_table[zp->zp_checksum].ci_dedup); + ASSERT3U(BP_GET_PSIZE(bp), ==, BP_GET_PSIZE(bp_orig)); + ASSERT3U(BP_GET_LSIZE(bp), ==, BP_GET_LSIZE(bp_orig)); + ASSERT(zp->zp_compress != ZIO_COMPRESS_OFF); + ASSERT(bcmp(&bp->blk_prop, &bp_orig->blk_prop, + sizeof (uint64_t)) == 0); + + *bp = *bp_orig; + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + zio->io_flags |= ZIO_FLAG_NOPWRITE; + } + + return (ZIO_PIPELINE_CONTINUE); +} + +/* + * ========================================================================== + * Dedup + * ========================================================================== + */ +static void +zio_ddt_child_read_done(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + ddt_entry_t *dde = zio->io_private; + ddt_phys_t *ddp; + zio_t *pio = zio_unique_parent(zio); + + mutex_enter(&pio->io_lock); + ddp = ddt_phys_select(dde, bp); + if (zio->io_error == 0) + ddt_phys_clear(ddp); /* this ddp doesn't need repair */ + if (zio->io_error == 0 && dde->dde_repair_data == NULL) + dde->dde_repair_data = zio->io_data; + else + zio_buf_free(zio->io_data, zio->io_size); + mutex_exit(&pio->io_lock); +} + +static int +zio_ddt_read_start(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + int p; + + ASSERT(BP_GET_DEDUP(bp)); + ASSERT(BP_GET_PSIZE(bp) == zio->io_size); + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + + if (zio->io_child_error[ZIO_CHILD_DDT]) { + ddt_t *ddt = ddt_select(zio->io_spa, bp); + ddt_entry_t *dde = ddt_repair_start(ddt, bp); + ddt_phys_t *ddp = dde->dde_phys; + ddt_phys_t *ddp_self = ddt_phys_select(dde, bp); + blkptr_t blk; + + ASSERT(zio->io_vsd == NULL); + zio->io_vsd = dde; + + if (ddp_self == NULL) + return (ZIO_PIPELINE_CONTINUE); + + for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { + if (ddp->ddp_phys_birth == 0 || ddp == ddp_self) + continue; + ddt_bp_create(ddt->ddt_checksum, &dde->dde_key, ddp, + &blk); + zio_nowait(zio_read(zio, zio->io_spa, &blk, + zio_buf_alloc(zio->io_size), zio->io_size, + zio_ddt_child_read_done, dde, zio->io_priority, + ZIO_DDT_CHILD_FLAGS(zio) | ZIO_FLAG_DONT_PROPAGATE, + &zio->io_bookmark)); + } + return (ZIO_PIPELINE_CONTINUE); + } + + zio_nowait(zio_read(zio, zio->io_spa, bp, + zio->io_data, zio->io_size, NULL, NULL, zio->io_priority, + ZIO_DDT_CHILD_FLAGS(zio), &zio->io_bookmark)); + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_ddt_read_done(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + + if (zio_wait_for_children(zio, ZIO_CHILD_DDT, ZIO_WAIT_DONE)) + return (ZIO_PIPELINE_STOP); + + ASSERT(BP_GET_DEDUP(bp)); + ASSERT(BP_GET_PSIZE(bp) == zio->io_size); + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + + if (zio->io_child_error[ZIO_CHILD_DDT]) { + ddt_t *ddt = ddt_select(zio->io_spa, bp); + ddt_entry_t *dde = zio->io_vsd; + if (ddt == NULL) { + ASSERT(spa_load_state(zio->io_spa) != SPA_LOAD_NONE); + return (ZIO_PIPELINE_CONTINUE); + } + if (dde == NULL) { + zio->io_stage = ZIO_STAGE_DDT_READ_START >> 1; + zio_taskq_dispatch(zio, ZIO_TASKQ_ISSUE, B_FALSE); + return (ZIO_PIPELINE_STOP); + } + if (dde->dde_repair_data != NULL) { + bcopy(dde->dde_repair_data, zio->io_data, zio->io_size); + zio->io_child_error[ZIO_CHILD_DDT] = 0; + } + ddt_repair_done(ddt, dde); + zio->io_vsd = NULL; + } + + ASSERT(zio->io_vsd == NULL); + + return (ZIO_PIPELINE_CONTINUE); +} + +static boolean_t +zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde) +{ + spa_t *spa = zio->io_spa; + int p; + + /* + * Note: we compare the original data, not the transformed data, + * because when zio->io_bp is an override bp, we will not have + * pushed the I/O transforms. That's an important optimization + * because otherwise we'd compress/encrypt all dmu_sync() data twice. + */ + for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) { + zio_t *lio = dde->dde_lead_zio[p]; + + if (lio != NULL) { + return (lio->io_orig_size != zio->io_orig_size || + bcmp(zio->io_orig_data, lio->io_orig_data, + zio->io_orig_size) != 0); + } + } + + for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) { + ddt_phys_t *ddp = &dde->dde_phys[p]; + + if (ddp->ddp_phys_birth != 0) { + arc_buf_t *abuf = NULL; + arc_flags_t aflags = ARC_FLAG_WAIT; + blkptr_t blk = *zio->io_bp; + int error; + + ddt_bp_fill(ddp, &blk, ddp->ddp_phys_birth); + + ddt_exit(ddt); + + error = arc_read(NULL, spa, &blk, + arc_getbuf_func, &abuf, ZIO_PRIORITY_SYNC_READ, + ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE, + &aflags, &zio->io_bookmark); + + if (error == 0) { + if (arc_buf_size(abuf) != zio->io_orig_size || + bcmp(abuf->b_data, zio->io_orig_data, + zio->io_orig_size) != 0) + error = SET_ERROR(EEXIST); + VERIFY(arc_buf_remove_ref(abuf, &abuf)); + } + + ddt_enter(ddt); + return (error != 0); + } + } + + return (B_FALSE); +} + +static void +zio_ddt_child_write_ready(zio_t *zio) +{ + int p = zio->io_prop.zp_copies; + ddt_t *ddt = ddt_select(zio->io_spa, zio->io_bp); + ddt_entry_t *dde = zio->io_private; + ddt_phys_t *ddp = &dde->dde_phys[p]; + zio_t *pio; + + if (zio->io_error) + return; + + ddt_enter(ddt); + + ASSERT(dde->dde_lead_zio[p] == zio); + + ddt_phys_fill(ddp, zio->io_bp); + + while ((pio = zio_walk_parents(zio)) != NULL) + ddt_bp_fill(ddp, pio->io_bp, zio->io_txg); + + ddt_exit(ddt); +} + +static void +zio_ddt_child_write_done(zio_t *zio) +{ + int p = zio->io_prop.zp_copies; + ddt_t *ddt = ddt_select(zio->io_spa, zio->io_bp); + ddt_entry_t *dde = zio->io_private; + ddt_phys_t *ddp = &dde->dde_phys[p]; + + ddt_enter(ddt); + + ASSERT(ddp->ddp_refcnt == 0); + ASSERT(dde->dde_lead_zio[p] == zio); + dde->dde_lead_zio[p] = NULL; + + if (zio->io_error == 0) { + while (zio_walk_parents(zio) != NULL) + ddt_phys_addref(ddp); + } else { + ddt_phys_clear(ddp); + } + + ddt_exit(ddt); +} + +static void +zio_ddt_ditto_write_done(zio_t *zio) +{ + int p = DDT_PHYS_DITTO; + blkptr_t *bp = zio->io_bp; + ddt_t *ddt = ddt_select(zio->io_spa, bp); + ddt_entry_t *dde = zio->io_private; + ddt_phys_t *ddp = &dde->dde_phys[p]; + ddt_key_t *ddk = &dde->dde_key; + ASSERTV(zio_prop_t *zp = &zio->io_prop); + + ddt_enter(ddt); + + ASSERT(ddp->ddp_refcnt == 0); + ASSERT(dde->dde_lead_zio[p] == zio); + dde->dde_lead_zio[p] = NULL; + + if (zio->io_error == 0) { + ASSERT(ZIO_CHECKSUM_EQUAL(bp->blk_cksum, ddk->ddk_cksum)); + ASSERT(zp->zp_copies < SPA_DVAS_PER_BP); + ASSERT(zp->zp_copies == BP_GET_NDVAS(bp) - BP_IS_GANG(bp)); + if (ddp->ddp_phys_birth != 0) + ddt_phys_free(ddt, ddk, ddp, zio->io_txg); + ddt_phys_fill(ddp, bp); + } + + ddt_exit(ddt); +} + +static int +zio_ddt_write(zio_t *zio) +{ + spa_t *spa = zio->io_spa; + blkptr_t *bp = zio->io_bp; + uint64_t txg = zio->io_txg; + zio_prop_t *zp = &zio->io_prop; + int p = zp->zp_copies; + int ditto_copies; + zio_t *cio = NULL; + zio_t *dio = NULL; + ddt_t *ddt = ddt_select(spa, bp); + ddt_entry_t *dde; + ddt_phys_t *ddp; + + ASSERT(BP_GET_DEDUP(bp)); + ASSERT(BP_GET_CHECKSUM(bp) == zp->zp_checksum); + ASSERT(BP_IS_HOLE(bp) || zio->io_bp_override); + + ddt_enter(ddt); + dde = ddt_lookup(ddt, bp, B_TRUE); + ddp = &dde->dde_phys[p]; + + if (zp->zp_dedup_verify && zio_ddt_collision(zio, ddt, dde)) { + /* + * If we're using a weak checksum, upgrade to a strong checksum + * and try again. If we're already using a strong checksum, + * we can't resolve it, so just convert to an ordinary write. + * (And automatically e-mail a paper to Nature?) + */ + if (!zio_checksum_table[zp->zp_checksum].ci_dedup) { + zp->zp_checksum = spa_dedup_checksum(spa); + zio_pop_transforms(zio); + zio->io_stage = ZIO_STAGE_OPEN; + BP_ZERO(bp); + } else { + zp->zp_dedup = B_FALSE; + } + zio->io_pipeline = ZIO_WRITE_PIPELINE; + ddt_exit(ddt); + return (ZIO_PIPELINE_CONTINUE); + } + + ditto_copies = ddt_ditto_copies_needed(ddt, dde, ddp); + ASSERT(ditto_copies < SPA_DVAS_PER_BP); + + if (ditto_copies > ddt_ditto_copies_present(dde) && + dde->dde_lead_zio[DDT_PHYS_DITTO] == NULL) { + zio_prop_t czp = *zp; + + czp.zp_copies = ditto_copies; + + /* + * If we arrived here with an override bp, we won't have run + * the transform stack, so we won't have the data we need to + * generate a child i/o. So, toss the override bp and restart. + * This is safe, because using the override bp is just an + * optimization; and it's rare, so the cost doesn't matter. + */ + if (zio->io_bp_override) { + zio_pop_transforms(zio); + zio->io_stage = ZIO_STAGE_OPEN; + zio->io_pipeline = ZIO_WRITE_PIPELINE; + zio->io_bp_override = NULL; + BP_ZERO(bp); + ddt_exit(ddt); + return (ZIO_PIPELINE_CONTINUE); + } + + dio = zio_write(zio, spa, txg, bp, zio->io_orig_data, + zio->io_orig_size, &czp, NULL, NULL, + zio_ddt_ditto_write_done, dde, zio->io_priority, + ZIO_DDT_CHILD_FLAGS(zio), &zio->io_bookmark); + + zio_push_transform(dio, zio->io_data, zio->io_size, 0, NULL); + dde->dde_lead_zio[DDT_PHYS_DITTO] = dio; + } + + if (ddp->ddp_phys_birth != 0 || dde->dde_lead_zio[p] != NULL) { + if (ddp->ddp_phys_birth != 0) + ddt_bp_fill(ddp, bp, txg); + if (dde->dde_lead_zio[p] != NULL) + zio_add_child(zio, dde->dde_lead_zio[p]); + else + ddt_phys_addref(ddp); + } else if (zio->io_bp_override) { + ASSERT(bp->blk_birth == txg); + ASSERT(BP_EQUAL(bp, zio->io_bp_override)); + ddt_phys_fill(ddp, bp); + ddt_phys_addref(ddp); + } else { + cio = zio_write(zio, spa, txg, bp, zio->io_orig_data, + zio->io_orig_size, zp, zio_ddt_child_write_ready, NULL, + zio_ddt_child_write_done, dde, zio->io_priority, + ZIO_DDT_CHILD_FLAGS(zio), &zio->io_bookmark); + + zio_push_transform(cio, zio->io_data, zio->io_size, 0, NULL); + dde->dde_lead_zio[p] = cio; + } + + ddt_exit(ddt); + + if (cio) + zio_nowait(cio); + if (dio) + zio_nowait(dio); + + return (ZIO_PIPELINE_CONTINUE); +} + +ddt_entry_t *freedde; /* for debugging */ + +static int +zio_ddt_free(zio_t *zio) +{ + spa_t *spa = zio->io_spa; + blkptr_t *bp = zio->io_bp; + ddt_t *ddt = ddt_select(spa, bp); + ddt_entry_t *dde; + ddt_phys_t *ddp; + + ASSERT(BP_GET_DEDUP(bp)); + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + + ddt_enter(ddt); + freedde = dde = ddt_lookup(ddt, bp, B_TRUE); + if (dde) { + ddp = ddt_phys_select(dde, bp); + if (ddp) + ddt_phys_decref(ddp); + } + ddt_exit(ddt); + + return (ZIO_PIPELINE_CONTINUE); +} + +/* + * ========================================================================== + * Allocate and free blocks + * ========================================================================== + */ +static int +zio_dva_allocate(zio_t *zio) +{ + spa_t *spa = zio->io_spa; + metaslab_class_t *mc = spa_normal_class(spa); + blkptr_t *bp = zio->io_bp; + int error; + int flags = 0; + + if (zio->io_gang_leader == NULL) { + ASSERT(zio->io_child_type > ZIO_CHILD_GANG); + zio->io_gang_leader = zio; + } + + ASSERT(BP_IS_HOLE(bp)); + ASSERT0(BP_GET_NDVAS(bp)); + ASSERT3U(zio->io_prop.zp_copies, >, 0); + ASSERT3U(zio->io_prop.zp_copies, <=, spa_max_replication(spa)); + ASSERT3U(zio->io_size, ==, BP_GET_PSIZE(bp)); + + /* + * The dump device does not support gang blocks so allocation on + * behalf of the dump device (i.e. ZIO_FLAG_NODATA) must avoid + * the "fast" gang feature. + */ + flags |= (zio->io_flags & ZIO_FLAG_NODATA) ? METASLAB_GANG_AVOID : 0; + flags |= (zio->io_flags & ZIO_FLAG_GANG_CHILD) ? + METASLAB_GANG_CHILD : 0; + flags |= (zio->io_flags & ZIO_FLAG_FASTWRITE) ? METASLAB_FASTWRITE : 0; + error = metaslab_alloc(spa, mc, zio->io_size, bp, + zio->io_prop.zp_copies, zio->io_txg, NULL, flags); + + if (error) { + spa_dbgmsg(spa, "%s: metaslab allocation failure: zio %p, " + "size %llu, error %d", spa_name(spa), zio, zio->io_size, + error); + if (error == ENOSPC && zio->io_size > SPA_MINBLOCKSIZE) + return (zio_write_gang_block(zio)); + zio->io_error = error; + } + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_dva_free(zio_t *zio) +{ + metaslab_free(zio->io_spa, zio->io_bp, zio->io_txg, B_FALSE); + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_dva_claim(zio_t *zio) +{ + int error; + + error = metaslab_claim(zio->io_spa, zio->io_bp, zio->io_txg); + if (error) + zio->io_error = error; + + return (ZIO_PIPELINE_CONTINUE); +} + +/* + * Undo an allocation. This is used by zio_done() when an I/O fails + * and we want to give back the block we just allocated. + * This handles both normal blocks and gang blocks. + */ +static void +zio_dva_unallocate(zio_t *zio, zio_gang_node_t *gn, blkptr_t *bp) +{ + int g; + + ASSERT(bp->blk_birth == zio->io_txg || BP_IS_HOLE(bp)); + ASSERT(zio->io_bp_override == NULL); + + if (!BP_IS_HOLE(bp)) + metaslab_free(zio->io_spa, bp, bp->blk_birth, B_TRUE); + + if (gn != NULL) { + for (g = 0; g < SPA_GBH_NBLKPTRS; g++) { + zio_dva_unallocate(zio, gn->gn_child[g], + &gn->gn_gbh->zg_blkptr[g]); + } + } +} + +/* + * Try to allocate an intent log block. Return 0 on success, errno on failure. + */ +int +zio_alloc_zil(spa_t *spa, uint64_t txg, blkptr_t *new_bp, uint64_t size, + boolean_t use_slog) +{ + int error = 1; + + ASSERT(txg > spa_syncing_txg(spa)); + + /* + * ZIL blocks are always contiguous (i.e. not gang blocks) so we + * set the METASLAB_GANG_AVOID flag so that they don't "fast gang" + * when allocating them. + */ + if (use_slog) { + error = metaslab_alloc(spa, spa_log_class(spa), size, + new_bp, 1, txg, NULL, + METASLAB_FASTWRITE | METASLAB_GANG_AVOID); + } + + if (error) { + error = metaslab_alloc(spa, spa_normal_class(spa), size, + new_bp, 1, txg, NULL, + METASLAB_FASTWRITE); + } + + if (error == 0) { + BP_SET_LSIZE(new_bp, size); + BP_SET_PSIZE(new_bp, size); + BP_SET_COMPRESS(new_bp, ZIO_COMPRESS_OFF); + BP_SET_CHECKSUM(new_bp, + spa_version(spa) >= SPA_VERSION_SLIM_ZIL + ? ZIO_CHECKSUM_ZILOG2 : ZIO_CHECKSUM_ZILOG); + BP_SET_TYPE(new_bp, DMU_OT_INTENT_LOG); + BP_SET_LEVEL(new_bp, 0); + BP_SET_DEDUP(new_bp, 0); + BP_SET_BYTEORDER(new_bp, ZFS_HOST_BYTEORDER); + } + + return (error); +} + +/* + * Free an intent log block. + */ +void +zio_free_zil(spa_t *spa, uint64_t txg, blkptr_t *bp) +{ + ASSERT(BP_GET_TYPE(bp) == DMU_OT_INTENT_LOG); + ASSERT(!BP_IS_GANG(bp)); + + zio_free(spa, txg, bp); +} + +/* + * ========================================================================== + * Read and write to physical devices + * ========================================================================== + */ + + +/* + * Issue an I/O to the underlying vdev. Typically the issue pipeline + * stops after this stage and will resume upon I/O completion. + * However, there are instances where the vdev layer may need to + * continue the pipeline when an I/O was not issued. Since the I/O + * that was sent to the vdev layer might be different than the one + * currently active in the pipeline (see vdev_queue_io()), we explicitly + * force the underlying vdev layers to call either zio_execute() or + * zio_interrupt() to ensure that the pipeline continues with the correct I/O. + */ +static int +zio_vdev_io_start(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + uint64_t align; + spa_t *spa = zio->io_spa; + + ASSERT(zio->io_error == 0); + ASSERT(zio->io_child_error[ZIO_CHILD_VDEV] == 0); + + if (vd == NULL) { + if (!(zio->io_flags & ZIO_FLAG_CONFIG_WRITER)) + spa_config_enter(spa, SCL_ZIO, zio, RW_READER); + + /* + * The mirror_ops handle multiple DVAs in a single BP. + */ + vdev_mirror_ops.vdev_op_io_start(zio); + return (ZIO_PIPELINE_STOP); + } + + /* + * We keep track of time-sensitive I/Os so that the scan thread + * can quickly react to certain workloads. In particular, we care + * about non-scrubbing, top-level reads and writes with the following + * characteristics: + * - synchronous writes of user data to non-slog devices + * - any reads of user data + * When these conditions are met, adjust the timestamp of spa_last_io + * which allows the scan thread to adjust its workload accordingly. + */ + if (!(zio->io_flags & ZIO_FLAG_SCAN_THREAD) && zio->io_bp != NULL && + vd == vd->vdev_top && !vd->vdev_islog && + zio->io_bookmark.zb_objset != DMU_META_OBJSET && + zio->io_txg != spa_syncing_txg(spa)) { + uint64_t old = spa->spa_last_io; + uint64_t new = ddi_get_lbolt64(); + if (old != new) + (void) atomic_cas_64(&spa->spa_last_io, old, new); + } + + align = 1ULL << vd->vdev_top->vdev_ashift; + + if (!(zio->io_flags & ZIO_FLAG_PHYSICAL) && + P2PHASE(zio->io_size, align) != 0) { + /* Transform logical writes to be a full physical block size. */ + uint64_t asize = P2ROUNDUP(zio->io_size, align); + char *abuf = zio_buf_alloc(asize); + ASSERT(vd == vd->vdev_top); + if (zio->io_type == ZIO_TYPE_WRITE) { + bcopy(zio->io_data, abuf, zio->io_size); + bzero(abuf + zio->io_size, asize - zio->io_size); + } + zio_push_transform(zio, abuf, asize, asize, zio_subblock); + } + + /* + * If this is not a physical io, make sure that it is properly aligned + * before proceeding. + */ + if (!(zio->io_flags & ZIO_FLAG_PHYSICAL)) { + ASSERT0(P2PHASE(zio->io_offset, align)); + ASSERT0(P2PHASE(zio->io_size, align)); + } else { + /* + * For physical writes, we allow 512b aligned writes and assume + * the device will perform a read-modify-write as necessary. + */ + ASSERT0(P2PHASE(zio->io_offset, SPA_MINBLOCKSIZE)); + ASSERT0(P2PHASE(zio->io_size, SPA_MINBLOCKSIZE)); + } + + VERIFY(zio->io_type != ZIO_TYPE_WRITE || spa_writeable(spa)); + + /* + * If this is a repair I/O, and there's no self-healing involved -- + * that is, we're just resilvering what we expect to resilver -- + * then don't do the I/O unless zio's txg is actually in vd's DTL. + * This prevents spurious resilvering with nested replication. + * For example, given a mirror of mirrors, (A+B)+(C+D), if only + * A is out of date, we'll read from C+D, then use the data to + * resilver A+B -- but we don't actually want to resilver B, just A. + * The top-level mirror has no way to know this, so instead we just + * discard unnecessary repairs as we work our way down the vdev tree. + * The same logic applies to any form of nested replication: + * ditto + mirror, RAID-Z + replacing, etc. This covers them all. + */ + if ((zio->io_flags & ZIO_FLAG_IO_REPAIR) && + !(zio->io_flags & ZIO_FLAG_SELF_HEAL) && + zio->io_txg != 0 && /* not a delegated i/o */ + !vdev_dtl_contains(vd, DTL_PARTIAL, zio->io_txg, 1)) { + ASSERT(zio->io_type == ZIO_TYPE_WRITE); + zio_vdev_io_bypass(zio); + return (ZIO_PIPELINE_CONTINUE); + } + + if (vd->vdev_ops->vdev_op_leaf && + (zio->io_type == ZIO_TYPE_READ || zio->io_type == ZIO_TYPE_WRITE)) { + + if (zio->io_type == ZIO_TYPE_READ && vdev_cache_read(zio)) + return (ZIO_PIPELINE_CONTINUE); + + if ((zio = vdev_queue_io(zio)) == NULL) + return (ZIO_PIPELINE_STOP); + + if (!vdev_accessible(vd, zio)) { + zio->io_error = SET_ERROR(ENXIO); + zio_interrupt(zio); + return (ZIO_PIPELINE_STOP); + } + } + + vd->vdev_ops->vdev_op_io_start(zio); + return (ZIO_PIPELINE_STOP); +} + +static int +zio_vdev_io_done(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + vdev_ops_t *ops = vd ? vd->vdev_ops : &vdev_mirror_ops; + boolean_t unexpected_error = B_FALSE; + + if (zio_wait_for_children(zio, ZIO_CHILD_VDEV, ZIO_WAIT_DONE)) + return (ZIO_PIPELINE_STOP); + + ASSERT(zio->io_type == ZIO_TYPE_READ || zio->io_type == ZIO_TYPE_WRITE); + + if (vd != NULL && vd->vdev_ops->vdev_op_leaf) { + + vdev_queue_io_done(zio); + + if (zio->io_type == ZIO_TYPE_WRITE) + vdev_cache_write(zio); + + if (zio_injection_enabled && zio->io_error == 0) + zio->io_error = zio_handle_device_injection(vd, + zio, EIO); + + if (zio_injection_enabled && zio->io_error == 0) + zio->io_error = zio_handle_label_injection(zio, EIO); + + if (zio->io_error) { + if (!vdev_accessible(vd, zio)) { + zio->io_error = SET_ERROR(ENXIO); + } else { + unexpected_error = B_TRUE; + } + } + } + + ops->vdev_op_io_done(zio); + + if (unexpected_error) + VERIFY(vdev_probe(vd, zio) == NULL); + + return (ZIO_PIPELINE_CONTINUE); +} + +/* + * For non-raidz ZIOs, we can just copy aside the bad data read from the + * disk, and use that to finish the checksum ereport later. + */ +static void +zio_vsd_default_cksum_finish(zio_cksum_report_t *zcr, + const void *good_buf) +{ + /* no processing needed */ + zfs_ereport_finish_checksum(zcr, good_buf, zcr->zcr_cbdata, B_FALSE); +} + +/*ARGSUSED*/ +void +zio_vsd_default_cksum_report(zio_t *zio, zio_cksum_report_t *zcr, void *ignored) +{ + void *buf = zio_buf_alloc(zio->io_size); + + bcopy(zio->io_data, buf, zio->io_size); + + zcr->zcr_cbinfo = zio->io_size; + zcr->zcr_cbdata = buf; + zcr->zcr_finish = zio_vsd_default_cksum_finish; + zcr->zcr_free = zio_buf_free; +} + +static int +zio_vdev_io_assess(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + + if (zio_wait_for_children(zio, ZIO_CHILD_VDEV, ZIO_WAIT_DONE)) + return (ZIO_PIPELINE_STOP); + + if (vd == NULL && !(zio->io_flags & ZIO_FLAG_CONFIG_WRITER)) + spa_config_exit(zio->io_spa, SCL_ZIO, zio); + + if (zio->io_vsd != NULL) { + zio->io_vsd_ops->vsd_free(zio); + zio->io_vsd = NULL; + } + + if (zio_injection_enabled && zio->io_error == 0) + zio->io_error = zio_handle_fault_injection(zio, EIO); + + /* + * If the I/O failed, determine whether we should attempt to retry it. + * + * On retry, we cut in line in the issue queue, since we don't want + * compression/checksumming/etc. work to prevent our (cheap) IO reissue. + */ + if (zio->io_error && vd == NULL && + !(zio->io_flags & (ZIO_FLAG_DONT_RETRY | ZIO_FLAG_IO_RETRY))) { + ASSERT(!(zio->io_flags & ZIO_FLAG_DONT_QUEUE)); /* not a leaf */ + ASSERT(!(zio->io_flags & ZIO_FLAG_IO_BYPASS)); /* not a leaf */ + zio->io_error = 0; + zio->io_flags |= ZIO_FLAG_IO_RETRY | + ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_AGGREGATE; + zio->io_stage = ZIO_STAGE_VDEV_IO_START >> 1; + zio_taskq_dispatch(zio, ZIO_TASKQ_ISSUE, + zio_requeue_io_start_cut_in_line); + return (ZIO_PIPELINE_STOP); + } + + /* + * If we got an error on a leaf device, convert it to ENXIO + * if the device is not accessible at all. + */ + if (zio->io_error && vd != NULL && vd->vdev_ops->vdev_op_leaf && + !vdev_accessible(vd, zio)) + zio->io_error = SET_ERROR(ENXIO); + + /* + * If we can't write to an interior vdev (mirror or RAID-Z), + * set vdev_cant_write so that we stop trying to allocate from it. + */ + if (zio->io_error == ENXIO && zio->io_type == ZIO_TYPE_WRITE && + vd != NULL && !vd->vdev_ops->vdev_op_leaf) { + vd->vdev_cant_write = B_TRUE; + } + + if (zio->io_error) + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + + if (vd != NULL && vd->vdev_ops->vdev_op_leaf && + zio->io_physdone != NULL) { + ASSERT(!(zio->io_flags & ZIO_FLAG_DELEGATED)); + ASSERT(zio->io_child_type == ZIO_CHILD_VDEV); + zio->io_physdone(zio->io_logical); + } + + return (ZIO_PIPELINE_CONTINUE); +} + +void +zio_vdev_io_reissue(zio_t *zio) +{ + ASSERT(zio->io_stage == ZIO_STAGE_VDEV_IO_START); + ASSERT(zio->io_error == 0); + + zio->io_stage >>= 1; +} + +void +zio_vdev_io_redone(zio_t *zio) +{ + ASSERT(zio->io_stage == ZIO_STAGE_VDEV_IO_DONE); + + zio->io_stage >>= 1; +} + +void +zio_vdev_io_bypass(zio_t *zio) +{ + ASSERT(zio->io_stage == ZIO_STAGE_VDEV_IO_START); + ASSERT(zio->io_error == 0); + + zio->io_flags |= ZIO_FLAG_IO_BYPASS; + zio->io_stage = ZIO_STAGE_VDEV_IO_ASSESS >> 1; +} + +/* + * ========================================================================== + * Generate and verify checksums + * ========================================================================== + */ +static int +zio_checksum_generate(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + enum zio_checksum checksum; + + if (bp == NULL) { + /* + * This is zio_write_phys(). + * We're either generating a label checksum, or none at all. + */ + checksum = zio->io_prop.zp_checksum; + + if (checksum == ZIO_CHECKSUM_OFF) + return (ZIO_PIPELINE_CONTINUE); + + ASSERT(checksum == ZIO_CHECKSUM_LABEL); + } else { + if (BP_IS_GANG(bp) && zio->io_child_type == ZIO_CHILD_GANG) { + ASSERT(!IO_IS_ALLOCATING(zio)); + checksum = ZIO_CHECKSUM_GANG_HEADER; + } else { + checksum = BP_GET_CHECKSUM(bp); + } + } + + zio_checksum_compute(zio, checksum, zio->io_data, zio->io_size); + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_checksum_verify(zio_t *zio) +{ + zio_bad_cksum_t info; + blkptr_t *bp = zio->io_bp; + int error; + + ASSERT(zio->io_vd != NULL); + + if (bp == NULL) { + /* + * This is zio_read_phys(). + * We're either verifying a label checksum, or nothing at all. + */ + if (zio->io_prop.zp_checksum == ZIO_CHECKSUM_OFF) + return (ZIO_PIPELINE_CONTINUE); + + ASSERT(zio->io_prop.zp_checksum == ZIO_CHECKSUM_LABEL); + } + + if ((error = zio_checksum_error(zio, &info)) != 0) { + zio->io_error = error; + if (error == ECKSUM && + !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { + zfs_ereport_start_checksum(zio->io_spa, + zio->io_vd, zio, zio->io_offset, + zio->io_size, NULL, &info); + } + } + + return (ZIO_PIPELINE_CONTINUE); +} + +/* + * Called by RAID-Z to ensure we don't compute the checksum twice. + */ +void +zio_checksum_verified(zio_t *zio) +{ + zio->io_pipeline &= ~ZIO_STAGE_CHECKSUM_VERIFY; +} + +/* + * ========================================================================== + * Error rank. Error are ranked in the order 0, ENXIO, ECKSUM, EIO, other. + * An error of 0 indicates success. ENXIO indicates whole-device failure, + * which may be transient (e.g. unplugged) or permament. ECKSUM and EIO + * indicate errors that are specific to one I/O, and most likely permanent. + * Any other error is presumed to be worse because we weren't expecting it. + * ========================================================================== + */ +int +zio_worst_error(int e1, int e2) +{ + static int zio_error_rank[] = { 0, ENXIO, ECKSUM, EIO }; + int r1, r2; + + for (r1 = 0; r1 < sizeof (zio_error_rank) / sizeof (int); r1++) + if (e1 == zio_error_rank[r1]) + break; + + for (r2 = 0; r2 < sizeof (zio_error_rank) / sizeof (int); r2++) + if (e2 == zio_error_rank[r2]) + break; + + return (r1 > r2 ? e1 : e2); +} + +/* + * ========================================================================== + * I/O completion + * ========================================================================== + */ +static int +zio_ready(zio_t *zio) +{ + blkptr_t *bp = zio->io_bp; + zio_t *pio, *pio_next; + + if (zio_wait_for_children(zio, ZIO_CHILD_GANG, ZIO_WAIT_READY) || + zio_wait_for_children(zio, ZIO_CHILD_DDT, ZIO_WAIT_READY)) + return (ZIO_PIPELINE_STOP); + + if (zio->io_ready) { + ASSERT(IO_IS_ALLOCATING(zio)); + ASSERT(bp->blk_birth == zio->io_txg || BP_IS_HOLE(bp) || + (zio->io_flags & ZIO_FLAG_NOPWRITE)); + ASSERT(zio->io_children[ZIO_CHILD_GANG][ZIO_WAIT_READY] == 0); + + zio->io_ready(zio); + } + + if (bp != NULL && bp != &zio->io_bp_copy) + zio->io_bp_copy = *bp; + + if (zio->io_error) + zio->io_pipeline = ZIO_INTERLOCK_PIPELINE; + + mutex_enter(&zio->io_lock); + zio->io_state[ZIO_WAIT_READY] = 1; + pio = zio_walk_parents(zio); + mutex_exit(&zio->io_lock); + + /* + * As we notify zio's parents, new parents could be added. + * New parents go to the head of zio's io_parent_list, however, + * so we will (correctly) not notify them. The remainder of zio's + * io_parent_list, from 'pio_next' onward, cannot change because + * all parents must wait for us to be done before they can be done. + */ + for (; pio != NULL; pio = pio_next) { + pio_next = zio_walk_parents(zio); + zio_notify_parent(pio, zio, ZIO_WAIT_READY); + } + + if (zio->io_flags & ZIO_FLAG_NODATA) { + if (BP_IS_GANG(bp)) { + zio->io_flags &= ~ZIO_FLAG_NODATA; + } else { + ASSERT((uintptr_t)zio->io_data < SPA_MAXBLOCKSIZE); + zio->io_pipeline &= ~ZIO_VDEV_IO_STAGES; + } + } + + if (zio_injection_enabled && + zio->io_spa->spa_syncing_txg == zio->io_txg) + zio_handle_ignored_writes(zio); + + return (ZIO_PIPELINE_CONTINUE); +} + +static int +zio_done(zio_t *zio) +{ + zio_t *pio, *pio_next; + int c, w; + + /* + * If our children haven't all completed, + * wait for them and then repeat this pipeline stage. + */ + if (zio_wait_for_children(zio, ZIO_CHILD_VDEV, ZIO_WAIT_DONE) || + zio_wait_for_children(zio, ZIO_CHILD_GANG, ZIO_WAIT_DONE) || + zio_wait_for_children(zio, ZIO_CHILD_DDT, ZIO_WAIT_DONE) || + zio_wait_for_children(zio, ZIO_CHILD_LOGICAL, ZIO_WAIT_DONE)) + return (ZIO_PIPELINE_STOP); + + for (c = 0; c < ZIO_CHILD_TYPES; c++) + for (w = 0; w < ZIO_WAIT_TYPES; w++) + ASSERT(zio->io_children[c][w] == 0); + + if (zio->io_bp != NULL && !BP_IS_EMBEDDED(zio->io_bp)) { + ASSERT(zio->io_bp->blk_pad[0] == 0); + ASSERT(zio->io_bp->blk_pad[1] == 0); + ASSERT(bcmp(zio->io_bp, &zio->io_bp_copy, + sizeof (blkptr_t)) == 0 || + (zio->io_bp == zio_unique_parent(zio)->io_bp)); + if (zio->io_type == ZIO_TYPE_WRITE && !BP_IS_HOLE(zio->io_bp) && + zio->io_bp_override == NULL && + !(zio->io_flags & ZIO_FLAG_IO_REPAIR)) { + ASSERT(!BP_SHOULD_BYTESWAP(zio->io_bp)); + ASSERT3U(zio->io_prop.zp_copies, <=, + BP_GET_NDVAS(zio->io_bp)); + ASSERT(BP_COUNT_GANG(zio->io_bp) == 0 || + (BP_COUNT_GANG(zio->io_bp) == + BP_GET_NDVAS(zio->io_bp))); + } + if (zio->io_flags & ZIO_FLAG_NOPWRITE) + VERIFY(BP_EQUAL(zio->io_bp, &zio->io_bp_orig)); + } + + /* + * If there were child vdev/gang/ddt errors, they apply to us now. + */ + zio_inherit_child_errors(zio, ZIO_CHILD_VDEV); + zio_inherit_child_errors(zio, ZIO_CHILD_GANG); + zio_inherit_child_errors(zio, ZIO_CHILD_DDT); + + /* + * If the I/O on the transformed data was successful, generate any + * checksum reports now while we still have the transformed data. + */ + if (zio->io_error == 0) { + while (zio->io_cksum_report != NULL) { + zio_cksum_report_t *zcr = zio->io_cksum_report; + uint64_t align = zcr->zcr_align; + uint64_t asize = P2ROUNDUP(zio->io_size, align); + char *abuf = zio->io_data; + + if (asize != zio->io_size) { + abuf = zio_buf_alloc(asize); + bcopy(zio->io_data, abuf, zio->io_size); + bzero(abuf+zio->io_size, asize-zio->io_size); + } + + zio->io_cksum_report = zcr->zcr_next; + zcr->zcr_next = NULL; + zcr->zcr_finish(zcr, abuf); + zfs_ereport_free_checksum(zcr); + + if (asize != zio->io_size) + zio_buf_free(abuf, asize); + } + } + + zio_pop_transforms(zio); /* note: may set zio->io_error */ + + vdev_stat_update(zio, zio->io_size); + + /* + * If this I/O is attached to a particular vdev is slow, exceeding + * 30 seconds to complete, post an error described the I/O delay. + * We ignore these errors if the device is currently unavailable. + */ + if (zio->io_delay >= MSEC_TO_TICK(zio_delay_max)) { + if (zio->io_vd != NULL && !vdev_is_dead(zio->io_vd)) + zfs_ereport_post(FM_EREPORT_ZFS_DELAY, zio->io_spa, + zio->io_vd, zio, 0, 0); + } + + if (zio->io_error) { + /* + * If this I/O is attached to a particular vdev, + * generate an error message describing the I/O failure + * at the block level. We ignore these errors if the + * device is currently unavailable. + */ + if (zio->io_error != ECKSUM && zio->io_vd != NULL && + !vdev_is_dead(zio->io_vd)) + zfs_ereport_post(FM_EREPORT_ZFS_IO, zio->io_spa, + zio->io_vd, zio, 0, 0); + + if ((zio->io_error == EIO || !(zio->io_flags & + (ZIO_FLAG_SPECULATIVE | ZIO_FLAG_DONT_PROPAGATE))) && + zio == zio->io_logical) { + /* + * For logical I/O requests, tell the SPA to log the + * error and generate a logical data ereport. + */ + spa_log_error(zio->io_spa, zio); + zfs_ereport_post(FM_EREPORT_ZFS_DATA, zio->io_spa, + NULL, zio, 0, 0); + } + } + + if (zio->io_error && zio == zio->io_logical) { + /* + * Determine whether zio should be reexecuted. This will + * propagate all the way to the root via zio_notify_parent(). + */ + ASSERT(zio->io_vd == NULL && zio->io_bp != NULL); + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + + if (IO_IS_ALLOCATING(zio) && + !(zio->io_flags & ZIO_FLAG_CANFAIL)) { + if (zio->io_error != ENOSPC) + zio->io_reexecute |= ZIO_REEXECUTE_NOW; + else + zio->io_reexecute |= ZIO_REEXECUTE_SUSPEND; + } + + if ((zio->io_type == ZIO_TYPE_READ || + zio->io_type == ZIO_TYPE_FREE) && + !(zio->io_flags & ZIO_FLAG_SCAN_THREAD) && + zio->io_error == ENXIO && + spa_load_state(zio->io_spa) == SPA_LOAD_NONE && + spa_get_failmode(zio->io_spa) != ZIO_FAILURE_MODE_CONTINUE) + zio->io_reexecute |= ZIO_REEXECUTE_SUSPEND; + + if (!(zio->io_flags & ZIO_FLAG_CANFAIL) && !zio->io_reexecute) + zio->io_reexecute |= ZIO_REEXECUTE_SUSPEND; + + /* + * Here is a possibly good place to attempt to do + * either combinatorial reconstruction or error correction + * based on checksums. It also might be a good place + * to send out preliminary ereports before we suspend + * processing. + */ + } + + /* + * If there were logical child errors, they apply to us now. + * We defer this until now to avoid conflating logical child + * errors with errors that happened to the zio itself when + * updating vdev stats and reporting FMA events above. + */ + zio_inherit_child_errors(zio, ZIO_CHILD_LOGICAL); + + if ((zio->io_error || zio->io_reexecute) && + IO_IS_ALLOCATING(zio) && zio->io_gang_leader == zio && + !(zio->io_flags & (ZIO_FLAG_IO_REWRITE | ZIO_FLAG_NOPWRITE))) + zio_dva_unallocate(zio, zio->io_gang_tree, zio->io_bp); + + zio_gang_tree_free(&zio->io_gang_tree); + + /* + * Godfather I/Os should never suspend. + */ + if ((zio->io_flags & ZIO_FLAG_GODFATHER) && + (zio->io_reexecute & ZIO_REEXECUTE_SUSPEND)) + zio->io_reexecute = 0; + + if (zio->io_reexecute) { + /* + * This is a logical I/O that wants to reexecute. + * + * Reexecute is top-down. When an i/o fails, if it's not + * the root, it simply notifies its parent and sticks around. + * The parent, seeing that it still has children in zio_done(), + * does the same. This percolates all the way up to the root. + * The root i/o will reexecute or suspend the entire tree. + * + * This approach ensures that zio_reexecute() honors + * all the original i/o dependency relationships, e.g. + * parents not executing until children are ready. + */ + ASSERT(zio->io_child_type == ZIO_CHILD_LOGICAL); + + zio->io_gang_leader = NULL; + + mutex_enter(&zio->io_lock); + zio->io_state[ZIO_WAIT_DONE] = 1; + mutex_exit(&zio->io_lock); + + /* + * "The Godfather" I/O monitors its children but is + * not a true parent to them. It will track them through + * the pipeline but severs its ties whenever they get into + * trouble (e.g. suspended). This allows "The Godfather" + * I/O to return status without blocking. + */ + for (pio = zio_walk_parents(zio); pio != NULL; pio = pio_next) { + zio_link_t *zl = zio->io_walk_link; + pio_next = zio_walk_parents(zio); + + if ((pio->io_flags & ZIO_FLAG_GODFATHER) && + (zio->io_reexecute & ZIO_REEXECUTE_SUSPEND)) { + zio_remove_child(pio, zio, zl); + zio_notify_parent(pio, zio, ZIO_WAIT_DONE); + } + } + + if ((pio = zio_unique_parent(zio)) != NULL) { + /* + * We're not a root i/o, so there's nothing to do + * but notify our parent. Don't propagate errors + * upward since we haven't permanently failed yet. + */ + ASSERT(!(zio->io_flags & ZIO_FLAG_GODFATHER)); + zio->io_flags |= ZIO_FLAG_DONT_PROPAGATE; + zio_notify_parent(pio, zio, ZIO_WAIT_DONE); + } else if (zio->io_reexecute & ZIO_REEXECUTE_SUSPEND) { + /* + * We'd fail again if we reexecuted now, so suspend + * until conditions improve (e.g. device comes online). + */ + zio_suspend(zio->io_spa, zio); + } else { + /* + * Reexecution is potentially a huge amount of work. + * Hand it off to the otherwise-unused claim taskq. + */ + ASSERT(taskq_empty_ent(&zio->io_tqent)); + spa_taskq_dispatch_ent(zio->io_spa, + ZIO_TYPE_CLAIM, ZIO_TASKQ_ISSUE, + (task_func_t *)zio_reexecute, zio, 0, + &zio->io_tqent); + } + return (ZIO_PIPELINE_STOP); + } + + ASSERT(zio->io_child_count == 0); + ASSERT(zio->io_reexecute == 0); + ASSERT(zio->io_error == 0 || (zio->io_flags & ZIO_FLAG_CANFAIL)); + + /* + * Report any checksum errors, since the I/O is complete. + */ + while (zio->io_cksum_report != NULL) { + zio_cksum_report_t *zcr = zio->io_cksum_report; + zio->io_cksum_report = zcr->zcr_next; + zcr->zcr_next = NULL; + zcr->zcr_finish(zcr, NULL); + zfs_ereport_free_checksum(zcr); + } + + if (zio->io_flags & ZIO_FLAG_FASTWRITE && zio->io_bp && + !BP_IS_HOLE(zio->io_bp) && !BP_IS_EMBEDDED(zio->io_bp) && + !(zio->io_flags & ZIO_FLAG_NOPWRITE)) { + metaslab_fastwrite_unmark(zio->io_spa, zio->io_bp); + } + + /* + * It is the responsibility of the done callback to ensure that this + * particular zio is no longer discoverable for adoption, and as + * such, cannot acquire any new parents. + */ + if (zio->io_done) + zio->io_done(zio); + + mutex_enter(&zio->io_lock); + zio->io_state[ZIO_WAIT_DONE] = 1; + mutex_exit(&zio->io_lock); + + for (pio = zio_walk_parents(zio); pio != NULL; pio = pio_next) { + zio_link_t *zl = zio->io_walk_link; + pio_next = zio_walk_parents(zio); + zio_remove_child(pio, zio, zl); + zio_notify_parent(pio, zio, ZIO_WAIT_DONE); + } + + if (zio->io_waiter != NULL) { + mutex_enter(&zio->io_lock); + zio->io_executor = NULL; + cv_broadcast(&zio->io_cv); + mutex_exit(&zio->io_lock); + } else { + zio_destroy(zio); + } + + return (ZIO_PIPELINE_STOP); +} + +/* + * ========================================================================== + * I/O pipeline definition + * ========================================================================== + */ +static zio_pipe_stage_t *zio_pipeline[] = { + NULL, + zio_read_bp_init, + zio_free_bp_init, + zio_issue_async, + zio_write_bp_init, + zio_checksum_generate, + zio_nop_write, + zio_ddt_read_start, + zio_ddt_read_done, + zio_ddt_write, + zio_ddt_free, + zio_gang_assemble, + zio_gang_issue, + zio_dva_allocate, + zio_dva_free, + zio_dva_claim, + zio_ready, + zio_vdev_io_start, + zio_vdev_io_done, + zio_vdev_io_assess, + zio_checksum_verify, + zio_done +}; + +/* dnp is the dnode for zb1->zb_object */ +boolean_t +zbookmark_is_before(const dnode_phys_t *dnp, const zbookmark_phys_t *zb1, + const zbookmark_phys_t *zb2) +{ + uint64_t zb1nextL0, zb2thisobj; + + ASSERT(zb1->zb_objset == zb2->zb_objset); + ASSERT(zb2->zb_level == 0); + + /* The objset_phys_t isn't before anything. */ + if (dnp == NULL) + return (B_FALSE); + + zb1nextL0 = (zb1->zb_blkid + 1) << + ((zb1->zb_level) * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT)); + + zb2thisobj = zb2->zb_object ? zb2->zb_object : + zb2->zb_blkid << (DNODE_BLOCK_SHIFT - DNODE_SHIFT); + + if (zb1->zb_object == DMU_META_DNODE_OBJECT) { + uint64_t nextobj = zb1nextL0 * + (dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT) >> DNODE_SHIFT; + return (nextobj <= zb2thisobj); + } + + if (zb1->zb_object < zb2thisobj) + return (B_TRUE); + if (zb1->zb_object > zb2thisobj) + return (B_FALSE); + if (zb2->zb_object == DMU_META_DNODE_OBJECT) + return (B_FALSE); + return (zb1nextL0 <= zb2->zb_blkid); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zio_type_name); +EXPORT_SYMBOL(zio_buf_alloc); +EXPORT_SYMBOL(zio_data_buf_alloc); +EXPORT_SYMBOL(zio_buf_alloc_flags); +EXPORT_SYMBOL(zio_buf_free); +EXPORT_SYMBOL(zio_data_buf_free); + +module_param(zio_delay_max, int, 0644); +MODULE_PARM_DESC(zio_delay_max, "Max zio millisec delay before posting event"); + +module_param(zio_requeue_io_start_cut_in_line, int, 0644); +MODULE_PARM_DESC(zio_requeue_io_start_cut_in_line, "Prioritize requeued I/O"); + +module_param(zfs_sync_pass_deferred_free, int, 0644); +MODULE_PARM_DESC(zfs_sync_pass_deferred_free, + "Defer frees starting in this pass"); + +module_param(zfs_sync_pass_dont_compress, int, 0644); +MODULE_PARM_DESC(zfs_sync_pass_dont_compress, + "Don't compress starting in this pass"); + +module_param(zfs_sync_pass_rewrite, int, 0644); +MODULE_PARM_DESC(zfs_sync_pass_rewrite, + "Rewrite new bps starting in this pass"); +#endif diff --git a/zfs/module/zfs/zio_checksum.c b/zfs/module/zfs/zio_checksum.c new file mode 100644 index 000000000000..3a5c73a6a1e9 --- /dev/null +++ b/zfs/module/zfs/zio_checksum.c @@ -0,0 +1,275 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +/* + * Checksum vectors. + * + * In the SPA, everything is checksummed. We support checksum vectors + * for three distinct reasons: + * + * 1. Different kinds of data need different levels of protection. + * For SPA metadata, we always want a very strong checksum. + * For user data, we let users make the trade-off between speed + * and checksum strength. + * + * 2. Cryptographic hash and MAC algorithms are an area of active research. + * It is likely that in future hash functions will be at least as strong + * as current best-of-breed, and may be substantially faster as well. + * We want the ability to take advantage of these new hashes as soon as + * they become available. + * + * 3. If someone develops hardware that can compute a strong hash quickly, + * we want the ability to take advantage of that hardware. + * + * Of course, we don't want a checksum upgrade to invalidate existing + * data, so we store the checksum *function* in eight bits of the bp. + * This gives us room for up to 256 different checksum functions. + * + * When writing a block, we always checksum it with the latest-and-greatest + * checksum function of the appropriate strength. When reading a block, + * we compare the expected checksum against the actual checksum, which we + * compute via the checksum function specified by BP_GET_CHECKSUM(bp). + */ + +/*ARGSUSED*/ +static void +zio_checksum_off(const void *buf, uint64_t size, zio_cksum_t *zcp) +{ + ZIO_SET_CHECKSUM(zcp, 0, 0, 0, 0); +} + +zio_checksum_info_t zio_checksum_table[ZIO_CHECKSUM_FUNCTIONS] = { + {{NULL, NULL}, 0, 0, 0, "inherit"}, + {{NULL, NULL}, 0, 0, 0, "on"}, + {{zio_checksum_off, zio_checksum_off}, 0, 0, 0, "off"}, + {{zio_checksum_SHA256, zio_checksum_SHA256}, 1, 1, 0, "label"}, + {{zio_checksum_SHA256, zio_checksum_SHA256}, 1, 1, 0, "gang_header"}, + {{fletcher_2_native, fletcher_2_byteswap}, 0, 1, 0, "zilog"}, + {{fletcher_2_native, fletcher_2_byteswap}, 0, 0, 0, "fletcher2"}, + {{fletcher_4_native, fletcher_4_byteswap}, 1, 0, 0, "fletcher4"}, + {{zio_checksum_SHA256, zio_checksum_SHA256}, 1, 0, 1, "sha256"}, + {{fletcher_4_native, fletcher_4_byteswap}, 0, 1, 0, "zilog2"}, +}; + +enum zio_checksum +zio_checksum_select(enum zio_checksum child, enum zio_checksum parent) +{ + ASSERT(child < ZIO_CHECKSUM_FUNCTIONS); + ASSERT(parent < ZIO_CHECKSUM_FUNCTIONS); + ASSERT(parent != ZIO_CHECKSUM_INHERIT && parent != ZIO_CHECKSUM_ON); + + if (child == ZIO_CHECKSUM_INHERIT) + return (parent); + + if (child == ZIO_CHECKSUM_ON) + return (ZIO_CHECKSUM_ON_VALUE); + + return (child); +} + +enum zio_checksum +zio_checksum_dedup_select(spa_t *spa, enum zio_checksum child, + enum zio_checksum parent) +{ + ASSERT((child & ZIO_CHECKSUM_MASK) < ZIO_CHECKSUM_FUNCTIONS); + ASSERT((parent & ZIO_CHECKSUM_MASK) < ZIO_CHECKSUM_FUNCTIONS); + ASSERT(parent != ZIO_CHECKSUM_INHERIT && parent != ZIO_CHECKSUM_ON); + + if (child == ZIO_CHECKSUM_INHERIT) + return (parent); + + if (child == ZIO_CHECKSUM_ON) + return (spa_dedup_checksum(spa)); + + if (child == (ZIO_CHECKSUM_ON | ZIO_CHECKSUM_VERIFY)) + return (spa_dedup_checksum(spa) | ZIO_CHECKSUM_VERIFY); + + ASSERT(zio_checksum_table[child & ZIO_CHECKSUM_MASK].ci_dedup || + (child & ZIO_CHECKSUM_VERIFY) || child == ZIO_CHECKSUM_OFF); + + return (child); +} + +/* + * Set the external verifier for a gang block based on , + * a tuple which is guaranteed to be unique for the life of the pool. + */ +static void +zio_checksum_gang_verifier(zio_cksum_t *zcp, blkptr_t *bp) +{ + const dva_t *dva = BP_IDENTITY(bp); + uint64_t txg = BP_PHYSICAL_BIRTH(bp); + + ASSERT(BP_IS_GANG(bp)); + + ZIO_SET_CHECKSUM(zcp, DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva), txg, 0); +} + +/* + * Set the external verifier for a label block based on its offset. + * The vdev is implicit, and the txg is unknowable at pool open time -- + * hence the logic in vdev_uberblock_load() to find the most recent copy. + */ +static void +zio_checksum_label_verifier(zio_cksum_t *zcp, uint64_t offset) +{ + ZIO_SET_CHECKSUM(zcp, offset, 0, 0, 0); +} + +/* + * Generate the checksum. + */ +void +zio_checksum_compute(zio_t *zio, enum zio_checksum checksum, + void *data, uint64_t size) +{ + blkptr_t *bp = zio->io_bp; + uint64_t offset = zio->io_offset; + zio_checksum_info_t *ci = &zio_checksum_table[checksum]; + zio_cksum_t cksum; + + ASSERT((uint_t)checksum < ZIO_CHECKSUM_FUNCTIONS); + ASSERT(ci->ci_func[0] != NULL); + + if (ci->ci_eck) { + zio_eck_t *eck; + + if (checksum == ZIO_CHECKSUM_ZILOG2) { + zil_chain_t *zilc = data; + + size = P2ROUNDUP_TYPED(zilc->zc_nused, ZIL_MIN_BLKSZ, + uint64_t); + eck = &zilc->zc_eck; + } else { + eck = (zio_eck_t *)((char *)data + size) - 1; + } + if (checksum == ZIO_CHECKSUM_GANG_HEADER) + zio_checksum_gang_verifier(&eck->zec_cksum, bp); + else if (checksum == ZIO_CHECKSUM_LABEL) + zio_checksum_label_verifier(&eck->zec_cksum, offset); + else + bp->blk_cksum = eck->zec_cksum; + eck->zec_magic = ZEC_MAGIC; + ci->ci_func[0](data, size, &cksum); + eck->zec_cksum = cksum; + } else { + ci->ci_func[0](data, size, &bp->blk_cksum); + } +} + +int +zio_checksum_error(zio_t *zio, zio_bad_cksum_t *info) +{ + blkptr_t *bp = zio->io_bp; + uint_t checksum = (bp == NULL ? zio->io_prop.zp_checksum : + (BP_IS_GANG(bp) ? ZIO_CHECKSUM_GANG_HEADER : BP_GET_CHECKSUM(bp))); + int byteswap; + int error; + uint64_t size = (bp == NULL ? zio->io_size : + (BP_IS_GANG(bp) ? SPA_GANGBLOCKSIZE : BP_GET_PSIZE(bp))); + uint64_t offset = zio->io_offset; + void *data = zio->io_data; + zio_checksum_info_t *ci = &zio_checksum_table[checksum]; + zio_cksum_t actual_cksum, expected_cksum, verifier; + + if (checksum >= ZIO_CHECKSUM_FUNCTIONS || ci->ci_func[0] == NULL) + return (SET_ERROR(EINVAL)); + + if (ci->ci_eck) { + zio_eck_t *eck; + + if (checksum == ZIO_CHECKSUM_ZILOG2) { + zil_chain_t *zilc = data; + uint64_t nused; + + eck = &zilc->zc_eck; + if (eck->zec_magic == ZEC_MAGIC) + nused = zilc->zc_nused; + else if (eck->zec_magic == BSWAP_64(ZEC_MAGIC)) + nused = BSWAP_64(zilc->zc_nused); + else + return (SET_ERROR(ECKSUM)); + + if (nused > size) + return (SET_ERROR(ECKSUM)); + + size = P2ROUNDUP_TYPED(nused, ZIL_MIN_BLKSZ, uint64_t); + } else { + eck = (zio_eck_t *)((char *)data + size) - 1; + } + + if (checksum == ZIO_CHECKSUM_GANG_HEADER) + zio_checksum_gang_verifier(&verifier, bp); + else if (checksum == ZIO_CHECKSUM_LABEL) + zio_checksum_label_verifier(&verifier, offset); + else + verifier = bp->blk_cksum; + + byteswap = (eck->zec_magic == BSWAP_64(ZEC_MAGIC)); + + if (byteswap) + byteswap_uint64_array(&verifier, sizeof (zio_cksum_t)); + + expected_cksum = eck->zec_cksum; + eck->zec_cksum = verifier; + ci->ci_func[byteswap](data, size, &actual_cksum); + eck->zec_cksum = expected_cksum; + + if (byteswap) + byteswap_uint64_array(&expected_cksum, + sizeof (zio_cksum_t)); + } else { + ASSERT(!BP_IS_GANG(bp)); + byteswap = BP_SHOULD_BYTESWAP(bp); + expected_cksum = bp->blk_cksum; + ci->ci_func[byteswap](data, size, &actual_cksum); + } + + info->zbc_expected = expected_cksum; + info->zbc_actual = actual_cksum; + info->zbc_checksum_name = ci->ci_name; + info->zbc_byteswapped = byteswap; + info->zbc_injected = 0; + info->zbc_has_cksum = 1; + + if (!ZIO_CHECKSUM_EQUAL(actual_cksum, expected_cksum)) + return (SET_ERROR(ECKSUM)); + + if (zio_injection_enabled && !zio->io_error && + (error = zio_handle_fault_injection(zio, ECKSUM)) != 0) { + + info->zbc_injected = 1; + return (error); + } + + return (0); +} diff --git a/zfs/module/zfs/zio_compress.c b/zfs/module/zfs/zio_compress.c new file mode 100644 index 000000000000..6b8d6c39bd91 --- /dev/null +++ b/zfs/module/zfs/zio_compress.c @@ -0,0 +1,134 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + */ + +/* + * Copyright (c) 2013 by Delphix. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +/* + * Compression vectors. + */ + +zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS] = { + {NULL, NULL, 0, "inherit"}, + {NULL, NULL, 0, "on"}, + {NULL, NULL, 0, "uncompressed"}, + {lzjb_compress, lzjb_decompress, 0, "lzjb"}, + {NULL, NULL, 0, "empty"}, + {gzip_compress, gzip_decompress, 1, "gzip-1"}, + {gzip_compress, gzip_decompress, 2, "gzip-2"}, + {gzip_compress, gzip_decompress, 3, "gzip-3"}, + {gzip_compress, gzip_decompress, 4, "gzip-4"}, + {gzip_compress, gzip_decompress, 5, "gzip-5"}, + {gzip_compress, gzip_decompress, 6, "gzip-6"}, + {gzip_compress, gzip_decompress, 7, "gzip-7"}, + {gzip_compress, gzip_decompress, 8, "gzip-8"}, + {gzip_compress, gzip_decompress, 9, "gzip-9"}, + {zle_compress, zle_decompress, 64, "zle"}, + {lz4_compress_zfs, lz4_decompress_zfs, 0, "lz4"}, +}; + +enum zio_compress +zio_compress_select(spa_t *spa, enum zio_compress child, + enum zio_compress parent) +{ + enum zio_compress result; + + ASSERT(child < ZIO_COMPRESS_FUNCTIONS); + ASSERT(parent < ZIO_COMPRESS_FUNCTIONS); + ASSERT(parent != ZIO_COMPRESS_INHERIT); + + result = child; + if (result == ZIO_COMPRESS_INHERIT) + result = parent; + + if (result == ZIO_COMPRESS_ON) { + if (spa_feature_is_active(spa, SPA_FEATURE_LZ4_COMPRESS)) + result = ZIO_COMPRESS_LZ4_ON_VALUE; + else + result = ZIO_COMPRESS_LEGACY_ON_VALUE; + } + + return (result); +} + +size_t +zio_compress_data(enum zio_compress c, void *src, void *dst, size_t s_len) +{ + uint64_t *word, *word_end; + size_t c_len, d_len; + zio_compress_info_t *ci = &zio_compress_table[c]; + + ASSERT((uint_t)c < ZIO_COMPRESS_FUNCTIONS); + ASSERT((uint_t)c == ZIO_COMPRESS_EMPTY || ci->ci_compress != NULL); + + /* + * If the data is all zeroes, we don't even need to allocate + * a block for it. We indicate this by returning zero size. + */ + word_end = (uint64_t *)((char *)src + s_len); + for (word = src; word < word_end; word++) + if (*word != 0) + break; + + if (word == word_end) + return (0); + + if (c == ZIO_COMPRESS_EMPTY) + return (s_len); + + /* Compress at least 12.5% */ + d_len = s_len - (s_len >> 3); + c_len = ci->ci_compress(src, dst, s_len, d_len, ci->ci_level); + + if (c_len > d_len) + return (s_len); + + ASSERT3U(c_len, <=, d_len); + return (c_len); +} + +int +zio_decompress_data(enum zio_compress c, void *src, void *dst, + size_t s_len, size_t d_len) +{ + zio_compress_info_t *ci = &zio_compress_table[c]; + + if ((uint_t)c >= ZIO_COMPRESS_FUNCTIONS || ci->ci_decompress == NULL) + return (SET_ERROR(EINVAL)); + + return (ci->ci_decompress(src, dst, s_len, d_len, ci->ci_level)); +} diff --git a/zfs/module/zfs/zio_inject.c b/zfs/module/zfs/zio_inject.c new file mode 100644 index 000000000000..40b507a0b6d8 --- /dev/null +++ b/zfs/module/zfs/zio_inject.c @@ -0,0 +1,539 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + */ + +/* + * ZFS fault injection + * + * To handle fault injection, we keep track of a series of zinject_record_t + * structures which describe which logical block(s) should be injected with a + * fault. These are kept in a global list. Each record corresponds to a given + * spa_t and maintains a special hold on the spa_t so that it cannot be deleted + * or exported while the injection record exists. + * + * Device level injection is done using the 'zi_guid' field. If this is set, it + * means that the error is destined for a particular device, not a piece of + * data. + * + * This is a rather poor data structure and algorithm, but we don't expect more + * than a few faults at any one time, so it should be sufficient for our needs. + */ + +#include +#include +#include +#include +#include +#include + +uint32_t zio_injection_enabled = 0; + +typedef struct inject_handler { + int zi_id; + spa_t *zi_spa; + zinject_record_t zi_record; + list_node_t zi_link; +} inject_handler_t; + +static list_t inject_handlers; +static krwlock_t inject_lock; +static int inject_next_id = 1; + +/* + * Returns true if the given record matches the I/O in progress. + */ +static boolean_t +zio_match_handler(zbookmark_phys_t *zb, uint64_t type, + zinject_record_t *record, int error) +{ + /* + * Check for a match against the MOS, which is based on type + */ + if (zb->zb_objset == DMU_META_OBJSET && + record->zi_objset == DMU_META_OBJSET && + record->zi_object == DMU_META_DNODE_OBJECT) { + if (record->zi_type == DMU_OT_NONE || + type == record->zi_type) + return (record->zi_freq == 0 || + spa_get_random(100) < record->zi_freq); + else + return (B_FALSE); + } + + /* + * Check for an exact match. + */ + if (zb->zb_objset == record->zi_objset && + zb->zb_object == record->zi_object && + zb->zb_level == record->zi_level && + zb->zb_blkid >= record->zi_start && + zb->zb_blkid <= record->zi_end && + error == record->zi_error) + return (record->zi_freq == 0 || + spa_get_random(100) < record->zi_freq); + + return (B_FALSE); +} + +/* + * Panic the system when a config change happens in the function + * specified by tag. + */ +void +zio_handle_panic_injection(spa_t *spa, char *tag, uint64_t type) +{ + inject_handler_t *handler; + + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) { + + if (spa != handler->zi_spa) + continue; + + if (handler->zi_record.zi_type == type && + strcmp(tag, handler->zi_record.zi_func) == 0) + panic("Panic requested in function %s\n", tag); + } + + rw_exit(&inject_lock); +} + +/* + * Determine if the I/O in question should return failure. Returns the errno + * to be returned to the caller. + */ +int +zio_handle_fault_injection(zio_t *zio, int error) +{ + int ret = 0; + inject_handler_t *handler; + + /* + * Ignore I/O not associated with any logical data. + */ + if (zio->io_logical == NULL) + return (0); + + /* + * Currently, we only support fault injection on reads. + */ + if (zio->io_type != ZIO_TYPE_READ) + return (0); + + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) { + + if (zio->io_spa != handler->zi_spa || + handler->zi_record.zi_cmd != ZINJECT_DATA_FAULT) + continue; + + /* If this handler matches, return EIO */ + if (zio_match_handler(&zio->io_logical->io_bookmark, + zio->io_bp ? BP_GET_TYPE(zio->io_bp) : DMU_OT_NONE, + &handler->zi_record, error)) { + ret = error; + break; + } + } + + rw_exit(&inject_lock); + + return (ret); +} + +/* + * Determine if the zio is part of a label update and has an injection + * handler associated with that portion of the label. Currently, we + * allow error injection in either the nvlist or the uberblock region of + * of the vdev label. + */ +int +zio_handle_label_injection(zio_t *zio, int error) +{ + inject_handler_t *handler; + vdev_t *vd = zio->io_vd; + uint64_t offset = zio->io_offset; + int label; + int ret = 0; + + if (offset >= VDEV_LABEL_START_SIZE && + offset < vd->vdev_psize - VDEV_LABEL_END_SIZE) + return (0); + + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) { + uint64_t start = handler->zi_record.zi_start; + uint64_t end = handler->zi_record.zi_end; + + if (handler->zi_record.zi_cmd != ZINJECT_LABEL_FAULT) + continue; + + /* + * The injection region is the relative offsets within a + * vdev label. We must determine the label which is being + * updated and adjust our region accordingly. + */ + label = vdev_label_number(vd->vdev_psize, offset); + start = vdev_label_offset(vd->vdev_psize, label, start); + end = vdev_label_offset(vd->vdev_psize, label, end); + + if (zio->io_vd->vdev_guid == handler->zi_record.zi_guid && + (offset >= start && offset <= end)) { + ret = error; + break; + } + } + rw_exit(&inject_lock); + return (ret); +} + + +int +zio_handle_device_injection(vdev_t *vd, zio_t *zio, int error) +{ + inject_handler_t *handler; + int ret = 0; + + /* + * We skip over faults in the labels unless it's during + * device open (i.e. zio == NULL). + */ + if (zio != NULL) { + uint64_t offset = zio->io_offset; + + if (offset < VDEV_LABEL_START_SIZE || + offset >= vd->vdev_psize - VDEV_LABEL_END_SIZE) + return (0); + } + + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) { + + if (handler->zi_record.zi_cmd != ZINJECT_DEVICE_FAULT) + continue; + + if (vd->vdev_guid == handler->zi_record.zi_guid) { + if (handler->zi_record.zi_failfast && + (zio == NULL || (zio->io_flags & + (ZIO_FLAG_IO_RETRY | ZIO_FLAG_TRYHARD)))) { + continue; + } + + /* Handle type specific I/O failures */ + if (zio != NULL && + handler->zi_record.zi_iotype != ZIO_TYPES && + handler->zi_record.zi_iotype != zio->io_type) + continue; + + if (handler->zi_record.zi_error == error) { + /* + * For a failed open, pretend like the device + * has gone away. + */ + if (error == ENXIO) + vd->vdev_stat.vs_aux = + VDEV_AUX_OPEN_FAILED; + + /* + * Treat these errors as if they had been + * retried so that all the appropriate stats + * and FMA events are generated. + */ + if (!handler->zi_record.zi_failfast && + zio != NULL) + zio->io_flags |= ZIO_FLAG_IO_RETRY; + + ret = error; + break; + } + if (handler->zi_record.zi_error == ENXIO) { + ret = SET_ERROR(EIO); + break; + } + } + } + + rw_exit(&inject_lock); + + return (ret); +} + +/* + * Simulate hardware that ignores cache flushes. For requested number + * of seconds nix the actual writing to disk. + */ +void +zio_handle_ignored_writes(zio_t *zio) +{ + inject_handler_t *handler; + + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) { + + /* Ignore errors not destined for this pool */ + if (zio->io_spa != handler->zi_spa || + handler->zi_record.zi_cmd != ZINJECT_IGNORED_WRITES) + continue; + + /* + * Positive duration implies # of seconds, negative + * a number of txgs + */ + if (handler->zi_record.zi_timer == 0) { + if (handler->zi_record.zi_duration > 0) + handler->zi_record.zi_timer = ddi_get_lbolt64(); + else + handler->zi_record.zi_timer = zio->io_txg; + } + + /* Have a "problem" writing 60% of the time */ + if (spa_get_random(100) < 60) + zio->io_pipeline &= ~ZIO_VDEV_IO_STAGES; + break; + } + + rw_exit(&inject_lock); +} + +void +spa_handle_ignored_writes(spa_t *spa) +{ + inject_handler_t *handler; + + if (zio_injection_enabled == 0) + return; + + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) { + + if (spa != handler->zi_spa || + handler->zi_record.zi_cmd != ZINJECT_IGNORED_WRITES) + continue; + + if (handler->zi_record.zi_duration > 0) { + VERIFY(handler->zi_record.zi_timer == 0 || + ddi_time_after64( + (int64_t)handler->zi_record.zi_timer + + handler->zi_record.zi_duration * hz, + ddi_get_lbolt64())); + } else { + /* duration is negative so the subtraction here adds */ + VERIFY(handler->zi_record.zi_timer == 0 || + handler->zi_record.zi_timer - + handler->zi_record.zi_duration >= + spa_syncing_txg(spa)); + } + } + + rw_exit(&inject_lock); +} + +uint64_t +zio_handle_io_delay(zio_t *zio) +{ + vdev_t *vd = zio->io_vd; + inject_handler_t *handler; + uint64_t seconds = 0; + + if (zio_injection_enabled == 0) + return (0); + + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) { + + if (handler->zi_record.zi_cmd != ZINJECT_DELAY_IO) + continue; + + if (vd->vdev_guid == handler->zi_record.zi_guid) { + seconds = handler->zi_record.zi_timer; + break; + } + + } + rw_exit(&inject_lock); + return (seconds); +} + +/* + * Create a new handler for the given record. We add it to the list, adding + * a reference to the spa_t in the process. We increment zio_injection_enabled, + * which is the switch to trigger all fault injection. + */ +int +zio_inject_fault(char *name, int flags, int *id, zinject_record_t *record) +{ + inject_handler_t *handler; + int error; + spa_t *spa; + + /* + * If this is pool-wide metadata, make sure we unload the corresponding + * spa_t, so that the next attempt to load it will trigger the fault. + * We call spa_reset() to unload the pool appropriately. + */ + if (flags & ZINJECT_UNLOAD_SPA) + if ((error = spa_reset(name)) != 0) + return (error); + + if (!(flags & ZINJECT_NULL)) { + /* + * spa_inject_ref() will add an injection reference, which will + * prevent the pool from being removed from the namespace while + * still allowing it to be unloaded. + */ + if ((spa = spa_inject_addref(name)) == NULL) + return (SET_ERROR(ENOENT)); + + handler = kmem_alloc(sizeof (inject_handler_t), KM_SLEEP); + + rw_enter(&inject_lock, RW_WRITER); + + *id = handler->zi_id = inject_next_id++; + handler->zi_spa = spa; + handler->zi_record = *record; + list_insert_tail(&inject_handlers, handler); + atomic_add_32(&zio_injection_enabled, 1); + + rw_exit(&inject_lock); + } + + /* + * Flush the ARC, so that any attempts to read this data will end up + * going to the ZIO layer. Note that this is a little overkill, but + * we don't have the necessary ARC interfaces to do anything else, and + * fault injection isn't a performance critical path. + */ + if (flags & ZINJECT_FLUSH_ARC) + /* + * We must use FALSE to ensure arc_flush returns, since + * we're not preventing concurrent ARC insertions. + */ + arc_flush(NULL, FALSE); + + return (0); +} + +/* + * Returns the next record with an ID greater than that supplied to the + * function. Used to iterate over all handlers in the system. + */ +int +zio_inject_list_next(int *id, char *name, size_t buflen, + zinject_record_t *record) +{ + inject_handler_t *handler; + int ret; + + mutex_enter(&spa_namespace_lock); + rw_enter(&inject_lock, RW_READER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) + if (handler->zi_id > *id) + break; + + if (handler) { + *record = handler->zi_record; + *id = handler->zi_id; + (void) strncpy(name, spa_name(handler->zi_spa), buflen); + ret = 0; + } else { + ret = SET_ERROR(ENOENT); + } + + rw_exit(&inject_lock); + mutex_exit(&spa_namespace_lock); + + return (ret); +} + +/* + * Clear the fault handler with the given identifier, or return ENOENT if none + * exists. + */ +int +zio_clear_fault(int id) +{ + inject_handler_t *handler; + + rw_enter(&inject_lock, RW_WRITER); + + for (handler = list_head(&inject_handlers); handler != NULL; + handler = list_next(&inject_handlers, handler)) + if (handler->zi_id == id) + break; + + if (handler == NULL) { + rw_exit(&inject_lock); + return (SET_ERROR(ENOENT)); + } + + list_remove(&inject_handlers, handler); + rw_exit(&inject_lock); + + spa_inject_delref(handler->zi_spa); + kmem_free(handler, sizeof (inject_handler_t)); + atomic_add_32(&zio_injection_enabled, -1); + + return (0); +} + +void +zio_inject_init(void) +{ + rw_init(&inject_lock, NULL, RW_DEFAULT, NULL); + list_create(&inject_handlers, sizeof (inject_handler_t), + offsetof(inject_handler_t, zi_link)); +} + +void +zio_inject_fini(void) +{ + list_destroy(&inject_handlers); + rw_destroy(&inject_lock); +} + +#if defined(_KERNEL) && defined(HAVE_SPL) +EXPORT_SYMBOL(zio_injection_enabled); +EXPORT_SYMBOL(zio_inject_fault); +EXPORT_SYMBOL(zio_inject_list_next); +EXPORT_SYMBOL(zio_clear_fault); +EXPORT_SYMBOL(zio_handle_fault_injection); +EXPORT_SYMBOL(zio_handle_device_injection); +EXPORT_SYMBOL(zio_handle_label_injection); +#endif diff --git a/zfs/module/zfs/zle.c b/zfs/module/zfs/zle.c new file mode 100644 index 000000000000..13c5673fbe26 --- /dev/null +++ b/zfs/module/zfs/zle.c @@ -0,0 +1,86 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Zero-length encoding. This is a fast and simple algorithm to eliminate + * runs of zeroes. Each chunk of compressed data begins with a length byte, b. + * If b < n (where n is the compression parameter) then the next b + 1 bytes + * are literal values. If b >= n then the next (256 - b + 1) bytes are zero. + */ +#include +#include + +size_t +zle_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) +{ + uchar_t *src = s_start; + uchar_t *dst = d_start; + uchar_t *s_end = src + s_len; + uchar_t *d_end = dst + d_len; + + while (src < s_end && dst < d_end - 1) { + uchar_t *first = src; + uchar_t *len = dst++; + if (src[0] == 0) { + uchar_t *last = src + (256 - n); + while (src < MIN(last, s_end) && src[0] == 0) + src++; + *len = src - first - 1 + n; + } else { + uchar_t *last = src + n; + if (d_end - dst < n) + break; + while (src < MIN(last, s_end) - 1 && (src[0] | src[1])) + *dst++ = *src++; + if (src[0]) + *dst++ = *src++; + *len = src - first - 1; + } + } + return (src == s_end ? dst - (uchar_t *)d_start : s_len); +} + +int +zle_decompress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) +{ + uchar_t *src = s_start; + uchar_t *dst = d_start; + uchar_t *s_end = src + s_len; + uchar_t *d_end = dst + d_len; + + while (src < s_end && dst < d_end) { + int len = 1 + *src++; + if (len <= n) { + while (len-- != 0) + *dst++ = *src++; + } else { + len -= n; + while (len-- != 0) + *dst++ = 0; + } + } + return (dst == d_end ? 0 : -1); +} diff --git a/zfs/module/zfs/zpl_ctldir.c b/zfs/module/zfs/zpl_ctldir.c new file mode 100644 index 000000000000..d691f670b44d --- /dev/null +++ b/zfs/module/zfs/zpl_ctldir.c @@ -0,0 +1,565 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * LLNL-CODE-403049. + * Rewritten for Linux by: + * Rohan Puri + * Brian Behlendorf + */ + +#include +#include +#include +#include +#include + +/* + * Common open routine. Disallow any write access. + */ +/* ARGSUSED */ +static int +zpl_common_open(struct inode *ip, struct file *filp) +{ + if (filp->f_mode & FMODE_WRITE) + return (-EACCES); + + return (generic_file_open(ip, filp)); +} + +/* + * Get root directory contents. + */ +static int +zpl_root_iterate(struct file *filp, struct dir_context *ctx) +{ + zfs_sb_t *zsb = ITOZSB(filp->f_path.dentry->d_inode); + int error = 0; + + ZFS_ENTER(zsb); + + if (!dir_emit_dots(filp, ctx)) + goto out; + + if (ctx->pos == 2) { + if (!dir_emit(ctx, ZFS_SNAPDIR_NAME, strlen(ZFS_SNAPDIR_NAME), + ZFSCTL_INO_SNAPDIR, DT_DIR)) + goto out; + + ctx->pos++; + } + + if (ctx->pos == 3) { + if (!dir_emit(ctx, ZFS_SHAREDIR_NAME, strlen(ZFS_SHAREDIR_NAME), + ZFSCTL_INO_SHARES, DT_DIR)) + goto out; + + ctx->pos++; + } +out: + ZFS_EXIT(zsb); + + return (error); +} + +#if !defined(HAVE_VFS_ITERATE) && !defined(HAVE_VFS_ITERATE_SHARED) +static int +zpl_root_readdir(struct file *filp, void *dirent, filldir_t filldir) +{ + struct dir_context ctx = DIR_CONTEXT_INIT(dirent, filldir, filp->f_pos); + int error; + + error = zpl_root_iterate(filp, &ctx); + filp->f_pos = ctx.pos; + + return (error); +} +#endif /* HAVE_VFS_ITERATE */ + +/* + * Get root directory attributes. + */ +/* ARGSUSED */ +static int +zpl_root_getattr(struct vfsmount *mnt, struct dentry *dentry, + struct kstat *stat) +{ + int error; + + error = simple_getattr(mnt, dentry, stat); + stat->atime = CURRENT_TIME; + + return (error); +} + +static struct dentry * +#ifdef HAVE_LOOKUP_NAMEIDATA +zpl_root_lookup(struct inode *dip, struct dentry *dentry, struct nameidata *nd) +#else +zpl_root_lookup(struct inode *dip, struct dentry *dentry, unsigned int flags) +#endif +{ + cred_t *cr = CRED(); + struct inode *ip; + int error; + + crhold(cr); + error = -zfsctl_root_lookup(dip, dname(dentry), &ip, 0, cr, NULL, NULL); + ASSERT3S(error, <=, 0); + crfree(cr); + + if (error) { + if (error == -ENOENT) + return (d_splice_alias(NULL, dentry)); + else + return (ERR_PTR(error)); + } + + return (d_splice_alias(ip, dentry)); +} + +/* + * The '.zfs' control directory file and inode operations. + */ +const struct file_operations zpl_fops_root = { + .open = zpl_common_open, + .llseek = generic_file_llseek, + .read = generic_read_dir, +#ifdef HAVE_VFS_ITERATE_SHARED + .iterate_shared = zpl_root_iterate, +#elif defined(HAVE_VFS_ITERATE) + .iterate = zpl_root_iterate, +#else + .readdir = zpl_root_readdir, +#endif +}; + +const struct inode_operations zpl_ops_root = { + .lookup = zpl_root_lookup, + .getattr = zpl_root_getattr, +}; + +#ifdef HAVE_AUTOMOUNT +static struct vfsmount * +zpl_snapdir_automount(struct path *path) +{ + int error; + + error = -zfsctl_snapshot_mount(path, 0); + if (error) + return (ERR_PTR(error)); + + /* + * Rather than returning the new vfsmount for the snapshot we must + * return NULL to indicate a mount collision. This is done because + * the user space mount calls do_add_mount() which adds the vfsmount + * to the name space. If we returned the new mount here it would be + * added again to the vfsmount list resulting in list corruption. + */ + return (NULL); +} +#endif /* HAVE_AUTOMOUNT */ + +/* + * Negative dentries must always be revalidated so newly created snapshots + * can be detected and automounted. Normal dentries should be kept because + * as of the 3.18 kernel revaliding the mountpoint dentry will result in + * the snapshot being immediately unmounted. + */ +static int +#ifdef HAVE_D_REVALIDATE_NAMEIDATA +zpl_snapdir_revalidate(struct dentry *dentry, struct nameidata *i) +#else +zpl_snapdir_revalidate(struct dentry *dentry, unsigned int flags) +#endif +{ + return (!!dentry->d_inode); +} + +dentry_operations_t zpl_dops_snapdirs = { +/* + * Auto mounting of snapshots is only supported for 2.6.37 and + * newer kernels. Prior to this kernel the ops->follow_link() + * callback was used as a hack to trigger the mount. The + * resulting vfsmount was then explicitly grafted in to the + * name space. While it might be possible to add compatibility + * code to accomplish this it would require considerable care. + */ +#ifdef HAVE_AUTOMOUNT + .d_automount = zpl_snapdir_automount, +#endif /* HAVE_AUTOMOUNT */ + .d_revalidate = zpl_snapdir_revalidate, +}; + +static struct dentry * +#ifdef HAVE_LOOKUP_NAMEIDATA +zpl_snapdir_lookup(struct inode *dip, struct dentry *dentry, + struct nameidata *nd) +#else +zpl_snapdir_lookup(struct inode *dip, struct dentry *dentry, + unsigned int flags) +#endif + +{ + fstrans_cookie_t cookie; + cred_t *cr = CRED(); + struct inode *ip = NULL; + int error; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfsctl_snapdir_lookup(dip, dname(dentry), &ip, + 0, cr, NULL, NULL); + ASSERT3S(error, <=, 0); + spl_fstrans_unmark(cookie); + crfree(cr); + + if (error && error != -ENOENT) + return (ERR_PTR(error)); + + ASSERT(error == 0 || ip == NULL); + d_clear_d_op(dentry); + d_set_d_op(dentry, &zpl_dops_snapdirs); +#ifdef HAVE_AUTOMOUNT + dentry->d_flags |= DCACHE_NEED_AUTOMOUNT; +#endif + + return (d_splice_alias(ip, dentry)); +} + +static int +zpl_snapdir_iterate(struct file *filp, struct dir_context *ctx) +{ + zfs_sb_t *zsb = ITOZSB(filp->f_path.dentry->d_inode); + fstrans_cookie_t cookie; + char snapname[MAXNAMELEN]; + boolean_t case_conflict; + uint64_t id, pos; + int error = 0; + + ZFS_ENTER(zsb); + cookie = spl_fstrans_mark(); + + if (!dir_emit_dots(filp, ctx)) + goto out; + + pos = ctx->pos; + while (error == 0) { + dsl_pool_config_enter(dmu_objset_pool(zsb->z_os), FTAG); + error = -dmu_snapshot_list_next(zsb->z_os, MAXNAMELEN, + snapname, &id, &pos, &case_conflict); + dsl_pool_config_exit(dmu_objset_pool(zsb->z_os), FTAG); + if (error) + goto out; + + if (!dir_emit(ctx, snapname, strlen(snapname), + ZFSCTL_INO_SHARES - id, DT_DIR)) + goto out; + + ctx->pos = pos; + } +out: + spl_fstrans_unmark(cookie); + ZFS_EXIT(zsb); + + if (error == -ENOENT) + return (0); + + return (error); +} + +#if !defined(HAVE_VFS_ITERATE) && !defined(HAVE_VFS_ITERATE_SHARED) +static int +zpl_snapdir_readdir(struct file *filp, void *dirent, filldir_t filldir) +{ + struct dir_context ctx = DIR_CONTEXT_INIT(dirent, filldir, filp->f_pos); + int error; + + error = zpl_snapdir_iterate(filp, &ctx); + filp->f_pos = ctx.pos; + + return (error); +} +#endif /* HAVE_VFS_ITERATE */ + +static int +zpl_snapdir_rename2(struct inode *sdip, struct dentry *sdentry, + struct inode *tdip, struct dentry *tdentry, unsigned int flags) +{ + cred_t *cr = CRED(); + int error; + + /* We probably don't want to support renameat2(2) in ctldir */ + if (flags) + return (-EINVAL); + + crhold(cr); + error = -zfsctl_snapdir_rename(sdip, dname(sdentry), + tdip, dname(tdentry), cr, 0); + ASSERT3S(error, <=, 0); + crfree(cr); + + return (error); +} + +#ifndef HAVE_RENAME_WANTS_FLAGS +static int +zpl_snapdir_rename(struct inode *sdip, struct dentry *sdentry, + struct inode *tdip, struct dentry *tdentry) +{ + return (zpl_snapdir_rename2(sdip, sdentry, tdip, tdentry, 0)); +} +#endif + +static int +zpl_snapdir_rmdir(struct inode *dip, struct dentry *dentry) +{ + cred_t *cr = CRED(); + int error; + + crhold(cr); + error = -zfsctl_snapdir_remove(dip, dname(dentry), cr, 0); + ASSERT3S(error, <=, 0); + crfree(cr); + + return (error); +} + +static int +zpl_snapdir_mkdir(struct inode *dip, struct dentry *dentry, zpl_umode_t mode) +{ + cred_t *cr = CRED(); + vattr_t *vap; + struct inode *ip; + int error; + + crhold(cr); + vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP); + zpl_vap_init(vap, dip, mode | S_IFDIR, cr); + + error = -zfsctl_snapdir_mkdir(dip, dname(dentry), vap, &ip, cr, 0); + if (error == 0) { + d_clear_d_op(dentry); + d_set_d_op(dentry, &zpl_dops_snapdirs); + d_instantiate(dentry, ip); + } + + kmem_free(vap, sizeof (vattr_t)); + ASSERT3S(error, <=, 0); + crfree(cr); + + return (error); +} + +/* + * Get snapshot directory attributes. + */ +/* ARGSUSED */ +static int +zpl_snapdir_getattr(struct vfsmount *mnt, struct dentry *dentry, + struct kstat *stat) +{ + zfs_sb_t *zsb = ITOZSB(dentry->d_inode); + int error; + + ZFS_ENTER(zsb); + error = simple_getattr(mnt, dentry, stat); + stat->nlink = stat->size = 2; + stat->ctime = stat->mtime = dmu_objset_snap_cmtime(zsb->z_os); + stat->atime = CURRENT_TIME; + ZFS_EXIT(zsb); + + return (error); +} + +/* + * The '.zfs/snapshot' directory file operations. These mainly control + * generating the list of available snapshots when doing an 'ls' in the + * directory. See zpl_snapdir_readdir(). + */ +const struct file_operations zpl_fops_snapdir = { + .open = zpl_common_open, + .llseek = generic_file_llseek, + .read = generic_read_dir, +#ifdef HAVE_VFS_ITERATE_SHARED + .iterate_shared = zpl_snapdir_iterate, +#elif defined(HAVE_VFS_ITERATE) + .iterate = zpl_snapdir_iterate, +#else + .readdir = zpl_snapdir_readdir, +#endif + +}; + +/* + * The '.zfs/snapshot' directory inode operations. These mainly control + * creating an inode for a snapshot directory and initializing the needed + * infrastructure to automount the snapshot. See zpl_snapdir_lookup(). + */ +const struct inode_operations zpl_ops_snapdir = { + .lookup = zpl_snapdir_lookup, + .getattr = zpl_snapdir_getattr, +#ifdef HAVE_RENAME_WANTS_FLAGS + .rename = zpl_snapdir_rename2, +#else + .rename = zpl_snapdir_rename, +#endif + .rmdir = zpl_snapdir_rmdir, + .mkdir = zpl_snapdir_mkdir, +}; + +static struct dentry * +#ifdef HAVE_LOOKUP_NAMEIDATA +zpl_shares_lookup(struct inode *dip, struct dentry *dentry, + struct nameidata *nd) +#else +zpl_shares_lookup(struct inode *dip, struct dentry *dentry, + unsigned int flags) +#endif +{ + fstrans_cookie_t cookie; + cred_t *cr = CRED(); + struct inode *ip = NULL; + int error; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfsctl_shares_lookup(dip, dname(dentry), &ip, + 0, cr, NULL, NULL); + ASSERT3S(error, <=, 0); + spl_fstrans_unmark(cookie); + crfree(cr); + + if (error) { + if (error == -ENOENT) + return (d_splice_alias(NULL, dentry)); + else + return (ERR_PTR(error)); + } + + return (d_splice_alias(ip, dentry)); +} + +static int +zpl_shares_iterate(struct file *filp, struct dir_context *ctx) +{ + fstrans_cookie_t cookie; + cred_t *cr = CRED(); + zfs_sb_t *zsb = ITOZSB(filp->f_path.dentry->d_inode); + znode_t *dzp; + int error = 0; + + ZFS_ENTER(zsb); + cookie = spl_fstrans_mark(); + + if (zsb->z_shares_dir == 0) { + dir_emit_dots(filp, ctx); + goto out; + } + + error = -zfs_zget(zsb, zsb->z_shares_dir, &dzp); + if (error) + goto out; + + crhold(cr); + error = -zfs_readdir(ZTOI(dzp), ctx, cr); + crfree(cr); + + iput(ZTOI(dzp)); +out: + spl_fstrans_unmark(cookie); + ZFS_EXIT(zsb); + ASSERT3S(error, <=, 0); + + return (error); +} + +#if !defined(HAVE_VFS_ITERATE) && !defined(HAVE_VFS_ITERATE_SHARED) +static int +zpl_shares_readdir(struct file *filp, void *dirent, filldir_t filldir) +{ + struct dir_context ctx = DIR_CONTEXT_INIT(dirent, filldir, filp->f_pos); + int error; + + error = zpl_shares_iterate(filp, &ctx); + filp->f_pos = ctx.pos; + + return (error); +} +#endif /* HAVE_VFS_ITERATE */ + +/* ARGSUSED */ +static int +zpl_shares_getattr(struct vfsmount *mnt, struct dentry *dentry, + struct kstat *stat) +{ + struct inode *ip = dentry->d_inode; + zfs_sb_t *zsb = ITOZSB(ip); + znode_t *dzp; + int error; + + ZFS_ENTER(zsb); + + if (zsb->z_shares_dir == 0) { + error = simple_getattr(mnt, dentry, stat); + stat->nlink = stat->size = 2; + stat->atime = CURRENT_TIME; + ZFS_EXIT(zsb); + return (error); + } + + error = -zfs_zget(zsb, zsb->z_shares_dir, &dzp); + if (error == 0) { + error = -zfs_getattr_fast(ZTOI(dzp), stat); + iput(ZTOI(dzp)); + } + + ZFS_EXIT(zsb); + ASSERT3S(error, <=, 0); + + return (error); +} + +/* + * The '.zfs/shares' directory file operations. + */ +const struct file_operations zpl_fops_shares = { + .open = zpl_common_open, + .llseek = generic_file_llseek, + .read = generic_read_dir, +#ifdef HAVE_VFS_ITERATE_SHARED + .iterate_shared = zpl_shares_iterate, +#elif defined(HAVE_VFS_ITERATE) + .iterate = zpl_shares_iterate, +#else + .readdir = zpl_shares_readdir, +#endif + +}; + +/* + * The '.zfs/shares' directory inode operations. + */ +const struct inode_operations zpl_ops_shares = { + .lookup = zpl_shares_lookup, + .getattr = zpl_shares_getattr, +}; diff --git a/zfs/module/zfs/zpl_export.c b/zfs/module/zfs/zpl_export.c new file mode 100644 index 000000000000..6f051a0485a1 --- /dev/null +++ b/zfs/module/zfs/zpl_export.c @@ -0,0 +1,176 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2011 Gunnar Beutner + * Copyright (c) 2012 Cyril Plisko. All rights reserved. + */ + + +#include +#include +#include +#include + + +static int +#ifdef HAVE_ENCODE_FH_WITH_INODE +zpl_encode_fh(struct inode *ip, __u32 *fh, int *max_len, struct inode *parent) +{ +#else +zpl_encode_fh(struct dentry *dentry, __u32 *fh, int *max_len, int connectable) +{ + struct inode *ip = dentry->d_inode; +#endif /* HAVE_ENCODE_FH_WITH_INODE */ + fstrans_cookie_t cookie; + fid_t *fid = (fid_t *)fh; + int len_bytes, rc; + + len_bytes = *max_len * sizeof (__u32); + + if (len_bytes < offsetof(fid_t, fid_data)) + return (255); + + fid->fid_len = len_bytes - offsetof(fid_t, fid_data); + cookie = spl_fstrans_mark(); + + if (zfsctl_is_node(ip)) + rc = zfsctl_fid(ip, fid); + else + rc = zfs_fid(ip, fid); + + spl_fstrans_unmark(cookie); + len_bytes = offsetof(fid_t, fid_data) + fid->fid_len; + *max_len = roundup(len_bytes, sizeof (__u32)) / sizeof (__u32); + + return (rc == 0 ? FILEID_INO32_GEN : 255); +} + +static struct dentry * +zpl_dentry_obtain_alias(struct inode *ip) +{ + struct dentry *result; + +#ifdef HAVE_D_OBTAIN_ALIAS + result = d_obtain_alias(ip); +#else + result = d_alloc_anon(ip); + + if (result == NULL) { + iput(ip); + result = ERR_PTR(-ENOMEM); + } +#endif /* HAVE_D_OBTAIN_ALIAS */ + + return (result); +} + +static struct dentry * +zpl_fh_to_dentry(struct super_block *sb, struct fid *fh, + int fh_len, int fh_type) +{ + fid_t *fid = (fid_t *)fh; + fstrans_cookie_t cookie; + struct inode *ip; + int len_bytes, rc; + + len_bytes = fh_len * sizeof (__u32); + + if (fh_type != FILEID_INO32_GEN || + len_bytes < offsetof(fid_t, fid_data) || + len_bytes < offsetof(fid_t, fid_data) + fid->fid_len) + return (ERR_PTR(-EINVAL)); + + cookie = spl_fstrans_mark(); + rc = zfs_vget(sb, &ip, fid); + spl_fstrans_unmark(cookie); + + if (rc) { + /* + * If we see ENOENT it might mean that an NFSv4 * client + * is using a cached inode value in a file handle and + * that the sought after file has had its inode changed + * by a third party. So change the error to ESTALE + * which will trigger a full lookup by the client and + * will find the new filename/inode pair if it still + * exists. + */ + if (rc == ENOENT) + rc = ESTALE; + + return (ERR_PTR(-rc)); + } + + ASSERT((ip != NULL) && !IS_ERR(ip)); + + return (zpl_dentry_obtain_alias(ip)); +} + +static struct dentry * +zpl_get_parent(struct dentry *child) +{ + cred_t *cr = CRED(); + fstrans_cookie_t cookie; + struct inode *ip; + int error; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_lookup(child->d_inode, "..", &ip, 0, cr, NULL, NULL); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + if (error) + return (ERR_PTR(error)); + + return (zpl_dentry_obtain_alias(ip)); +} + +#ifdef HAVE_COMMIT_METADATA +static int +zpl_commit_metadata(struct inode *inode) +{ + cred_t *cr = CRED(); + fstrans_cookie_t cookie; + int error; + + if (zfsctl_is_node(inode)) + return (0); + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_fsync(inode, 0, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} +#endif /* HAVE_COMMIT_METADATA */ + +const struct export_operations zpl_export_operations = { + .encode_fh = zpl_encode_fh, + .fh_to_dentry = zpl_fh_to_dentry, + .get_parent = zpl_get_parent, +#ifdef HAVE_COMMIT_METADATA + .commit_metadata = zpl_commit_metadata, +#endif /* HAVE_COMMIT_METADATA */ +}; diff --git a/zfs/module/zfs/zpl_file.c b/zfs/module/zfs/zpl_file.c new file mode 100644 index 000000000000..19e8a6278eba --- /dev/null +++ b/zfs/module/zfs/zpl_file.c @@ -0,0 +1,895 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2011, Lawrence Livermore National Security, LLC. + * Copyright (c) 2015 by Chunwei Chen. All rights reserved. + */ + + +#ifdef CONFIG_COMPAT +#include +#endif +#include +#include +#include +#include +#include + + +static int +zpl_open(struct inode *ip, struct file *filp) +{ + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + + error = generic_file_open(ip, filp); + if (error) + return (error); + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_open(ip, filp->f_mode, filp->f_flags, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_release(struct inode *ip, struct file *filp) +{ + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + if (ITOZ(ip)->z_atime_dirty) + zfs_mark_inode_dirty(ip); + + crhold(cr); + error = -zfs_close(ip, filp->f_flags, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_iterate(struct file *filp, struct dir_context *ctx) +{ + struct dentry *dentry = filp->f_path.dentry; + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_readdir(dentry->d_inode, ctx, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +#if !defined(HAVE_VFS_ITERATE) && !defined(HAVE_VFS_ITERATE_SHARED) +static int +zpl_readdir(struct file *filp, void *dirent, filldir_t filldir) +{ + struct dir_context ctx = DIR_CONTEXT_INIT(dirent, filldir, filp->f_pos); + int error; + + error = zpl_iterate(filp, &ctx); + filp->f_pos = ctx.pos; + + return (error); +} +#endif /* HAVE_VFS_ITERATE */ + +#if defined(HAVE_FSYNC_WITH_DENTRY) +/* + * Linux 2.6.x - 2.6.34 API, + * Through 2.6.34 the nfsd kernel server would pass a NULL 'file struct *' + * to the fops->fsync() hook. For this reason, we must be careful not to + * use filp unconditionally. + */ +static int +zpl_fsync(struct file *filp, struct dentry *dentry, int datasync) +{ + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_fsync(dentry->d_inode, datasync, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +#ifdef HAVE_FILE_AIO_FSYNC +static int +zpl_aio_fsync(struct kiocb *kiocb, int datasync) +{ + struct file *filp = kiocb->ki_filp; + return (zpl_fsync(filp, filp->f_path.dentry, datasync)); +} +#endif + +#elif defined(HAVE_FSYNC_WITHOUT_DENTRY) +/* + * Linux 2.6.35 - 3.0 API, + * As of 2.6.35 the dentry argument to the fops->fsync() hook was deemed + * redundant. The dentry is still accessible via filp->f_path.dentry, + * and we are guaranteed that filp will never be NULL. + */ +static int +zpl_fsync(struct file *filp, int datasync) +{ + struct inode *inode = filp->f_mapping->host; + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_fsync(inode, datasync, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +#ifdef HAVE_FILE_AIO_FSYNC +static int +zpl_aio_fsync(struct kiocb *kiocb, int datasync) +{ + return (zpl_fsync(kiocb->ki_filp, datasync)); +} +#endif + +#elif defined(HAVE_FSYNC_RANGE) +/* + * Linux 3.1 - 3.x API, + * As of 3.1 the responsibility to call filemap_write_and_wait_range() has + * been pushed down in to the .fsync() vfs hook. Additionally, the i_mutex + * lock is no longer held by the caller, for zfs we don't require the lock + * to be held so we don't acquire it. + */ +static int +zpl_fsync(struct file *filp, loff_t start, loff_t end, int datasync) +{ + struct inode *inode = filp->f_mapping->host; + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + + error = filemap_write_and_wait_range(inode->i_mapping, start, end); + if (error) + return (error); + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_fsync(inode, datasync, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +#ifdef HAVE_FILE_AIO_FSYNC +static int +zpl_aio_fsync(struct kiocb *kiocb, int datasync) +{ + return (zpl_fsync(kiocb->ki_filp, kiocb->ki_pos, -1, datasync)); +} +#endif + +#else +#error "Unsupported fops->fsync() implementation" +#endif + +static ssize_t +zpl_read_common_iovec(struct inode *ip, const struct iovec *iovp, size_t count, + unsigned long nr_segs, loff_t *ppos, uio_seg_t segment, int flags, + cred_t *cr, size_t skip) +{ + ssize_t read; + uio_t uio; + int error; + fstrans_cookie_t cookie; + + uio.uio_iov = iovp; + uio.uio_skip = skip; + uio.uio_resid = count; + uio.uio_iovcnt = nr_segs; + uio.uio_loffset = *ppos; + uio.uio_limit = MAXOFFSET_T; + uio.uio_segflg = segment; + + cookie = spl_fstrans_mark(); + error = -zfs_read(ip, &uio, flags, cr); + spl_fstrans_unmark(cookie); + if (error < 0) + return (error); + + read = count - uio.uio_resid; + *ppos += read; + task_io_account_read(read); + + return (read); +} + +inline ssize_t +zpl_read_common(struct inode *ip, const char *buf, size_t len, loff_t *ppos, + uio_seg_t segment, int flags, cred_t *cr) +{ + struct iovec iov; + + iov.iov_base = (void *)buf; + iov.iov_len = len; + + return (zpl_read_common_iovec(ip, &iov, len, 1, ppos, segment, + flags, cr, 0)); +} + +static ssize_t +zpl_iter_read_common(struct kiocb *kiocb, const struct iovec *iovp, + unsigned long nr_segs, size_t count, uio_seg_t seg, size_t skip) +{ + cred_t *cr = CRED(); + struct file *filp = kiocb->ki_filp; + ssize_t read; + + crhold(cr); + read = zpl_read_common_iovec(filp->f_mapping->host, iovp, count, + nr_segs, &kiocb->ki_pos, seg, filp->f_flags, cr, skip); + crfree(cr); + + file_accessed(filp); + return (read); +} + +#if defined(HAVE_VFS_RW_ITERATE) +static ssize_t +zpl_iter_read(struct kiocb *kiocb, struct iov_iter *to) +{ + ssize_t ret; + uio_seg_t seg = UIO_USERSPACE; + if (to->type & ITER_KVEC) + seg = UIO_SYSSPACE; + if (to->type & ITER_BVEC) + seg = UIO_BVEC; + ret = zpl_iter_read_common(kiocb, to->iov, to->nr_segs, + iov_iter_count(to), seg, to->iov_offset); + if (ret > 0) + iov_iter_advance(to, ret); + return (ret); +} +#else +static ssize_t +zpl_aio_read(struct kiocb *kiocb, const struct iovec *iovp, + unsigned long nr_segs, loff_t pos) +{ + ssize_t ret; + size_t count; + + ret = generic_segment_checks(iovp, &nr_segs, &count, VERIFY_WRITE); + if (ret) + return (ret); + + return (zpl_iter_read_common(kiocb, iovp, nr_segs, count, + UIO_USERSPACE, 0)); +} +#endif /* HAVE_VFS_RW_ITERATE */ + +static ssize_t +zpl_write_common_iovec(struct inode *ip, const struct iovec *iovp, size_t count, + unsigned long nr_segs, loff_t *ppos, uio_seg_t segment, int flags, + cred_t *cr, size_t skip) +{ + ssize_t wrote; + uio_t uio; + int error; + fstrans_cookie_t cookie; + + if (flags & O_APPEND) + *ppos = i_size_read(ip); + + uio.uio_iov = iovp; + uio.uio_skip = skip; + uio.uio_resid = count; + uio.uio_iovcnt = nr_segs; + uio.uio_loffset = *ppos; + uio.uio_limit = MAXOFFSET_T; + uio.uio_segflg = segment; + + cookie = spl_fstrans_mark(); + error = -zfs_write(ip, &uio, flags, cr); + spl_fstrans_unmark(cookie); + if (error < 0) + return (error); + + wrote = count - uio.uio_resid; + *ppos += wrote; + task_io_account_write(wrote); + + return (wrote); +} + +inline ssize_t +zpl_write_common(struct inode *ip, const char *buf, size_t len, loff_t *ppos, + uio_seg_t segment, int flags, cred_t *cr) +{ + struct iovec iov; + + iov.iov_base = (void *)buf; + iov.iov_len = len; + + return (zpl_write_common_iovec(ip, &iov, len, 1, ppos, segment, + flags, cr, 0)); +} + +static ssize_t +zpl_iter_write_common(struct kiocb *kiocb, const struct iovec *iovp, + unsigned long nr_segs, size_t count, uio_seg_t seg, size_t skip) +{ + cred_t *cr = CRED(); + struct file *filp = kiocb->ki_filp; + ssize_t wrote; + + crhold(cr); + wrote = zpl_write_common_iovec(filp->f_mapping->host, iovp, count, + nr_segs, &kiocb->ki_pos, seg, filp->f_flags, cr, skip); + crfree(cr); + + return (wrote); +} + +#if defined(HAVE_VFS_RW_ITERATE) +static ssize_t +zpl_iter_write(struct kiocb *kiocb, struct iov_iter *from) +{ + size_t count; + ssize_t ret; + uio_seg_t seg = UIO_USERSPACE; + +#ifndef HAVE_GENERIC_WRITE_CHECKS_KIOCB + struct file *file = kiocb->ki_filp; + struct address_space *mapping = file->f_mapping; + struct inode *ip = mapping->host; + int isblk = S_ISBLK(ip->i_mode); + + count = iov_iter_count(from); + ret = generic_write_checks(file, &kiocb->ki_pos, &count, isblk); + if (ret) + return (ret); +#else + /* + * XXX - ideally this check should be in the same lock region with + * write operations, so that there's no TOCTTOU race when doing + * append and someone else grow the file. + */ + ret = generic_write_checks(kiocb, from); + if (ret <= 0) + return (ret); + count = ret; +#endif + + if (from->type & ITER_KVEC) + seg = UIO_SYSSPACE; + if (from->type & ITER_BVEC) + seg = UIO_BVEC; + + ret = zpl_iter_write_common(kiocb, from->iov, from->nr_segs, + count, seg, from->iov_offset); + if (ret > 0) + iov_iter_advance(from, ret); + + return (ret); +} +#else +static ssize_t +zpl_aio_write(struct kiocb *kiocb, const struct iovec *iovp, + unsigned long nr_segs, loff_t pos) +{ + struct file *file = kiocb->ki_filp; + struct address_space *mapping = file->f_mapping; + struct inode *ip = mapping->host; + int isblk = S_ISBLK(ip->i_mode); + size_t count; + ssize_t ret; + + ret = generic_segment_checks(iovp, &nr_segs, &count, VERIFY_READ); + if (ret) + return (ret); + + ret = generic_write_checks(file, &pos, &count, isblk); + if (ret) + return (ret); + + return (zpl_iter_write_common(kiocb, iovp, nr_segs, count, + UIO_USERSPACE, 0)); +} +#endif /* HAVE_VFS_RW_ITERATE */ + +static loff_t +zpl_llseek(struct file *filp, loff_t offset, int whence) +{ +#if defined(SEEK_HOLE) && defined(SEEK_DATA) + fstrans_cookie_t cookie; + + if (whence == SEEK_DATA || whence == SEEK_HOLE) { + struct inode *ip = filp->f_mapping->host; + loff_t maxbytes = ip->i_sb->s_maxbytes; + loff_t error; + + spl_inode_lock_shared(ip); + cookie = spl_fstrans_mark(); + error = -zfs_holey(ip, whence, &offset); + spl_fstrans_unmark(cookie); + if (error == 0) + error = lseek_execute(filp, ip, offset, maxbytes); + spl_inode_unlock_shared(ip); + + return (error); + } +#endif /* SEEK_HOLE && SEEK_DATA */ + + return (generic_file_llseek(filp, offset, whence)); +} + +/* + * It's worth taking a moment to describe how mmap is implemented + * for zfs because it differs considerably from other Linux filesystems. + * However, this issue is handled the same way under OpenSolaris. + * + * The issue is that by design zfs bypasses the Linux page cache and + * leaves all caching up to the ARC. This has been shown to work + * well for the common read(2)/write(2) case. However, mmap(2) + * is problem because it relies on being tightly integrated with the + * page cache. To handle this we cache mmap'ed files twice, once in + * the ARC and a second time in the page cache. The code is careful + * to keep both copies synchronized. + * + * When a file with an mmap'ed region is written to using write(2) + * both the data in the ARC and existing pages in the page cache + * are updated. For a read(2) data will be read first from the page + * cache then the ARC if needed. Neither a write(2) or read(2) will + * will ever result in new pages being added to the page cache. + * + * New pages are added to the page cache only via .readpage() which + * is called when the vfs needs to read a page off disk to back the + * virtual memory region. These pages may be modified without + * notifying the ARC and will be written out periodically via + * .writepage(). This will occur due to either a sync or the usual + * page aging behavior. Note because a read(2) of a mmap'ed file + * will always check the page cache first even when the ARC is out + * of date correct data will still be returned. + * + * While this implementation ensures correct behavior it does have + * have some drawbacks. The most obvious of which is that it + * increases the required memory footprint when access mmap'ed + * files. It also adds additional complexity to the code keeping + * both caches synchronized. + * + * Longer term it may be possible to cleanly resolve this wart by + * mapping page cache pages directly on to the ARC buffers. The + * Linux address space operations are flexible enough to allow + * selection of which pages back a particular index. The trick + * would be working out the details of which subsystem is in + * charge, the ARC, the page cache, or both. It may also prove + * helpful to move the ARC buffers to a scatter-gather lists + * rather than a vmalloc'ed region. + */ +static int +zpl_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct inode *ip = filp->f_mapping->host; + znode_t *zp = ITOZ(ip); + int error; + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + error = -zfs_map(ip, vma->vm_pgoff, (caddr_t *)vma->vm_start, + (size_t)(vma->vm_end - vma->vm_start), vma->vm_flags); + spl_fstrans_unmark(cookie); + if (error) + return (error); + + error = generic_file_mmap(filp, vma); + if (error) + return (error); + + mutex_enter(&zp->z_lock); + zp->z_is_mapped = 1; + mutex_exit(&zp->z_lock); + + return (error); +} + +/* + * Populate a page with data for the Linux page cache. This function is + * only used to support mmap(2). There will be an identical copy of the + * data in the ARC which is kept up to date via .write() and .writepage(). + * + * Current this function relies on zpl_read_common() and the O_DIRECT + * flag to read in a page. This works but the more correct way is to + * update zfs_fillpage() to be Linux friendly and use that interface. + */ +static int +zpl_readpage(struct file *filp, struct page *pp) +{ + struct inode *ip; + struct page *pl[1]; + int error = 0; + fstrans_cookie_t cookie; + + ASSERT(PageLocked(pp)); + ip = pp->mapping->host; + pl[0] = pp; + + cookie = spl_fstrans_mark(); + error = -zfs_getpage(ip, pl, 1); + spl_fstrans_unmark(cookie); + + if (error) { + SetPageError(pp); + ClearPageUptodate(pp); + } else { + ClearPageError(pp); + SetPageUptodate(pp); + flush_dcache_page(pp); + } + + unlock_page(pp); + return (error); +} + +/* + * Populate a set of pages with data for the Linux page cache. This + * function will only be called for read ahead and never for demand + * paging. For simplicity, the code relies on read_cache_pages() to + * correctly lock each page for IO and call zpl_readpage(). + */ +static int +zpl_readpages(struct file *filp, struct address_space *mapping, + struct list_head *pages, unsigned nr_pages) +{ + return (read_cache_pages(mapping, pages, + (filler_t *)zpl_readpage, filp)); +} + +int +zpl_putpage(struct page *pp, struct writeback_control *wbc, void *data) +{ + struct address_space *mapping = data; + fstrans_cookie_t cookie; + + ASSERT(PageLocked(pp)); + ASSERT(!PageWriteback(pp)); + + cookie = spl_fstrans_mark(); + (void) zfs_putpage(mapping->host, pp, wbc); + spl_fstrans_unmark(cookie); + + return (0); +} + +static int +zpl_writepages(struct address_space *mapping, struct writeback_control *wbc) +{ + znode_t *zp = ITOZ(mapping->host); + zfs_sb_t *zsb = ITOZSB(mapping->host); + enum writeback_sync_modes sync_mode; + int result; + + ZFS_ENTER(zsb); + if (zsb->z_os->os_sync == ZFS_SYNC_ALWAYS) + wbc->sync_mode = WB_SYNC_ALL; + ZFS_EXIT(zsb); + sync_mode = wbc->sync_mode; + + /* + * We don't want to run write_cache_pages() in SYNC mode here, because + * that would make putpage() wait for a single page to be committed to + * disk every single time, resulting in atrocious performance. Instead + * we run it once in non-SYNC mode so that the ZIL gets all the data, + * and then we commit it all in one go. + */ + wbc->sync_mode = WB_SYNC_NONE; + result = write_cache_pages(mapping, wbc, zpl_putpage, mapping); + if (sync_mode != wbc->sync_mode) { + ZFS_ENTER(zsb); + ZFS_VERIFY_ZP(zp); + if (zsb->z_log != NULL) + zil_commit(zsb->z_log, zp->z_id); + ZFS_EXIT(zsb); + + /* + * We need to call write_cache_pages() again (we can't just + * return after the commit) because the previous call in + * non-SYNC mode does not guarantee that we got all the dirty + * pages (see the implementation of write_cache_pages() for + * details). That being said, this is a no-op in most cases. + */ + wbc->sync_mode = sync_mode; + result = write_cache_pages(mapping, wbc, zpl_putpage, mapping); + } + return (result); +} + +/* + * Write out dirty pages to the ARC, this function is only required to + * support mmap(2). Mapped pages may be dirtied by memory operations + * which never call .write(). These dirty pages are kept in sync with + * the ARC buffers via this hook. + */ +static int +zpl_writepage(struct page *pp, struct writeback_control *wbc) +{ + if (ITOZSB(pp->mapping->host)->z_os->os_sync == ZFS_SYNC_ALWAYS) + wbc->sync_mode = WB_SYNC_ALL; + + return (zpl_putpage(pp, wbc, pp->mapping)); +} + +/* + * The only flag combination which matches the behavior of zfs_space() + * is FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE. The FALLOC_FL_PUNCH_HOLE + * flag was introduced in the 2.6.38 kernel. + */ +#if defined(HAVE_FILE_FALLOCATE) || defined(HAVE_INODE_FALLOCATE) +long +zpl_fallocate_common(struct inode *ip, int mode, loff_t offset, loff_t len) +{ + int error = -EOPNOTSUPP; + +#if defined(FALLOC_FL_PUNCH_HOLE) && defined(FALLOC_FL_KEEP_SIZE) + cred_t *cr = CRED(); + flock64_t bf; + loff_t olen; + fstrans_cookie_t cookie; + + if (mode != (FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) + return (error); + + if (offset < 0 || len <= 0) + return (-EINVAL); + + spl_inode_lock(ip); + olen = i_size_read(ip); + + if (offset > olen) { + spl_inode_unlock(ip); + return (0); + } + if (offset + len > olen) + len = olen - offset; + bf.l_type = F_WRLCK; + bf.l_whence = 0; + bf.l_start = offset; + bf.l_len = len; + bf.l_pid = 0; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_space(ip, F_FREESP, &bf, FWRITE, offset, cr); + spl_fstrans_unmark(cookie); + spl_inode_unlock(ip); + + crfree(cr); +#endif /* defined(FALLOC_FL_PUNCH_HOLE) && defined(FALLOC_FL_KEEP_SIZE) */ + + ASSERT3S(error, <=, 0); + return (error); +} +#endif /* defined(HAVE_FILE_FALLOCATE) || defined(HAVE_INODE_FALLOCATE) */ + +#ifdef HAVE_FILE_FALLOCATE +static long +zpl_fallocate(struct file *filp, int mode, loff_t offset, loff_t len) +{ + return zpl_fallocate_common(filp->f_path.dentry->d_inode, + mode, offset, len); +} +#endif /* HAVE_FILE_FALLOCATE */ + +/* + * Map zfs file z_pflags (xvattr_t) to linux file attributes. Only file + * attributes common to both Linux and Solaris are mapped. + */ +static int +zpl_ioctl_getflags(struct file *filp, void __user *arg) +{ + struct inode *ip = file_inode(filp); + unsigned int ioctl_flags = 0; + uint64_t zfs_flags = ITOZ(ip)->z_pflags; + int error; + + if (zfs_flags & ZFS_IMMUTABLE) + ioctl_flags |= FS_IMMUTABLE_FL; + + if (zfs_flags & ZFS_APPENDONLY) + ioctl_flags |= FS_APPEND_FL; + + if (zfs_flags & ZFS_NODUMP) + ioctl_flags |= FS_NODUMP_FL; + + ioctl_flags &= FS_FL_USER_VISIBLE; + + error = copy_to_user(arg, &ioctl_flags, sizeof (ioctl_flags)); + + return (error); +} + +/* + * fchange() is a helper macro to detect if we have been asked to change a + * flag. This is ugly, but the requirement that we do this is a consequence of + * how the Linux file attribute interface was designed. Another consequence is + * that concurrent modification of files suffers from a TOCTOU race. Neither + * are things we can fix without modifying the kernel-userland interface, which + * is outside of our jurisdiction. + */ + +#define fchange(f0, f1, b0, b1) (!((f0) & (b0)) != !((f1) & (b1))) + +static int +zpl_ioctl_setflags(struct file *filp, void __user *arg) +{ + struct inode *ip = file_inode(filp); + uint64_t zfs_flags = ITOZ(ip)->z_pflags; + unsigned int ioctl_flags; + cred_t *cr = CRED(); + xvattr_t xva; + xoptattr_t *xoap; + int error; + fstrans_cookie_t cookie; + + if (copy_from_user(&ioctl_flags, arg, sizeof (ioctl_flags))) + return (-EFAULT); + + if ((ioctl_flags & ~(FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL))) + return (-EOPNOTSUPP); + + if ((ioctl_flags & ~(FS_FL_USER_MODIFIABLE))) + return (-EACCES); + + if ((fchange(ioctl_flags, zfs_flags, FS_IMMUTABLE_FL, ZFS_IMMUTABLE) || + fchange(ioctl_flags, zfs_flags, FS_APPEND_FL, ZFS_APPENDONLY)) && + !capable(CAP_LINUX_IMMUTABLE)) + return (-EACCES); + + if (!zpl_inode_owner_or_capable(ip)) + return (-EACCES); + + xva_init(&xva); + xoap = xva_getxoptattr(&xva); + + XVA_SET_REQ(&xva, XAT_IMMUTABLE); + if (ioctl_flags & FS_IMMUTABLE_FL) + xoap->xoa_immutable = B_TRUE; + + XVA_SET_REQ(&xva, XAT_APPENDONLY); + if (ioctl_flags & FS_APPEND_FL) + xoap->xoa_appendonly = B_TRUE; + + XVA_SET_REQ(&xva, XAT_NODUMP); + if (ioctl_flags & FS_NODUMP_FL) + xoap->xoa_nodump = B_TRUE; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_setattr(ip, (vattr_t *)&xva, 0, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + + return (error); +} + +static long +zpl_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case FS_IOC_GETFLAGS: + return (zpl_ioctl_getflags(filp, (void *)arg)); + case FS_IOC_SETFLAGS: + return (zpl_ioctl_setflags(filp, (void *)arg)); + default: + return (-ENOTTY); + } +} + +#ifdef CONFIG_COMPAT +static long +zpl_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case FS_IOC32_GETFLAGS: + cmd = FS_IOC_GETFLAGS; + break; + case FS_IOC32_SETFLAGS: + cmd = FS_IOC_SETFLAGS; + break; + default: + return (-ENOTTY); + } + return (zpl_ioctl(filp, cmd, (unsigned long)compat_ptr(arg))); +} +#endif /* CONFIG_COMPAT */ + + +const struct address_space_operations zpl_address_space_operations = { + .readpages = zpl_readpages, + .readpage = zpl_readpage, + .writepage = zpl_writepage, + .writepages = zpl_writepages, +}; + +const struct file_operations zpl_file_operations = { + .open = zpl_open, + .release = zpl_release, + .llseek = zpl_llseek, +#ifdef HAVE_VFS_RW_ITERATE + .read_iter = zpl_iter_read, + .write_iter = zpl_iter_write, +#else + .aio_read = zpl_aio_read, + .aio_write = zpl_aio_write, +#endif + .mmap = zpl_mmap, + .fsync = zpl_fsync, +#ifdef HAVE_FILE_AIO_FSYNC + .aio_fsync = zpl_aio_fsync, +#endif +#ifdef HAVE_FILE_FALLOCATE + .fallocate = zpl_fallocate, +#endif /* HAVE_FILE_FALLOCATE */ + .unlocked_ioctl = zpl_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = zpl_compat_ioctl, +#endif +}; + +const struct file_operations zpl_dir_file_operations = { + .llseek = generic_file_llseek, + .read = generic_read_dir, +#ifdef HAVE_VFS_ITERATE_SHARED + .iterate_shared = zpl_iterate, +#elif defined(HAVE_VFS_ITERATE) + .iterate = zpl_iterate, +#else + .readdir = zpl_readdir, +#endif + .fsync = zpl_fsync, + .unlocked_ioctl = zpl_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = zpl_compat_ioctl, +#endif +}; diff --git a/zfs/module/zfs/zpl_inode.c b/zfs/module/zfs/zpl_inode.c new file mode 100644 index 000000000000..1714aa22bbd1 --- /dev/null +++ b/zfs/module/zfs/zpl_inode.c @@ -0,0 +1,776 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2011, Lawrence Livermore National Security, LLC. + * Copyright (c) 2015 by Chunwei Chen. All rights reserved. + */ + + +#include +#include +#include +#include +#include +#include +#include +#include + + +static struct dentry * +#ifdef HAVE_LOOKUP_NAMEIDATA +zpl_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +#else +zpl_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) +#endif +{ + cred_t *cr = CRED(); + struct inode *ip; + int error; + fstrans_cookie_t cookie; + pathname_t *ppn = NULL; + pathname_t pn; + int zfs_flags = 0; + zfs_sb_t *zsb = dentry->d_sb->s_fs_info; + + if (dlen(dentry) > ZFS_MAXNAMELEN) + return (ERR_PTR(-ENAMETOOLONG)); + + crhold(cr); + cookie = spl_fstrans_mark(); + + /* If we are a case insensitive fs, we need the real name */ + if (zsb->z_case == ZFS_CASE_INSENSITIVE) { + zfs_flags = FIGNORECASE; + pn.pn_bufsize = ZFS_MAXNAMELEN; + pn.pn_buf = kmem_zalloc(ZFS_MAXNAMELEN, KM_SLEEP); + ppn = &pn; + } + + error = -zfs_lookup(dir, dname(dentry), &ip, zfs_flags, cr, NULL, ppn); + spl_fstrans_unmark(cookie); + ASSERT3S(error, <=, 0); + crfree(cr); + + spin_lock(&dentry->d_lock); + dentry->d_time = jiffies; +#ifndef HAVE_S_D_OP + d_set_d_op(dentry, &zpl_dentry_operations); +#endif /* HAVE_S_D_OP */ + spin_unlock(&dentry->d_lock); + + if (error) { + /* + * If we have a case sensitive fs, we do not want to + * insert negative entries, so return NULL for ENOENT. + * Fall through if the error is not ENOENT. Also free memory. + */ + if (ppn) { + kmem_free(pn.pn_buf, ZFS_MAXNAMELEN); + if (error == -ENOENT) + return (NULL); + } + + if (error == -ENOENT) + return (d_splice_alias(NULL, dentry)); + else + return (ERR_PTR(error)); + } + + /* + * If we are case insensitive, call the correct function + * to install the name. + */ + if (ppn) { + struct dentry *new_dentry; + struct qstr ci_name; + + if (strcmp(dname(dentry), pn.pn_buf) == 0) { + new_dentry = d_splice_alias(ip, dentry); + } else { + ci_name.name = pn.pn_buf; + ci_name.len = strlen(pn.pn_buf); + new_dentry = d_add_ci(dentry, ip, &ci_name); + } + kmem_free(pn.pn_buf, ZFS_MAXNAMELEN); + return (new_dentry); + } else { + return (d_splice_alias(ip, dentry)); + } +} + +void +zpl_vap_init(vattr_t *vap, struct inode *dir, zpl_umode_t mode, cred_t *cr) +{ + vap->va_mask = ATTR_MODE; + vap->va_mode = mode; + vap->va_uid = crgetfsuid(cr); + + if (dir && dir->i_mode & S_ISGID) { + vap->va_gid = KGID_TO_SGID(dir->i_gid); + if (S_ISDIR(mode)) + vap->va_mode |= S_ISGID; + } else { + vap->va_gid = crgetfsgid(cr); + } +} + +static int +#ifdef HAVE_CREATE_NAMEIDATA +zpl_create(struct inode *dir, struct dentry *dentry, zpl_umode_t mode, + struct nameidata *nd) +#else +zpl_create(struct inode *dir, struct dentry *dentry, zpl_umode_t mode, + bool flag) +#endif +{ + cred_t *cr = CRED(); + struct inode *ip; + vattr_t *vap; + int error; + fstrans_cookie_t cookie; + + crhold(cr); + vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP); + zpl_vap_init(vap, dir, mode, cr); + + cookie = spl_fstrans_mark(); + error = -zfs_create(dir, dname(dentry), vap, 0, mode, &ip, cr, 0, NULL); + if (error == 0) { + d_instantiate(dentry, ip); + + error = zpl_xattr_security_init(ip, dir, &dentry->d_name); + if (error == 0) + error = zpl_init_acl(ip, dir); + + if (error) + (void) zfs_remove(dir, dname(dentry), cr); + } + + spl_fstrans_unmark(cookie); + kmem_free(vap, sizeof (vattr_t)); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_mknod(struct inode *dir, struct dentry *dentry, zpl_umode_t mode, + dev_t rdev) +{ + cred_t *cr = CRED(); + struct inode *ip; + vattr_t *vap; + int error; + fstrans_cookie_t cookie; + + /* + * We currently expect Linux to supply rdev=0 for all sockets + * and fifos, but we want to know if this behavior ever changes. + */ + if (S_ISSOCK(mode) || S_ISFIFO(mode)) + ASSERT(rdev == 0); + + crhold(cr); + vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP); + zpl_vap_init(vap, dir, mode, cr); + vap->va_rdev = rdev; + + cookie = spl_fstrans_mark(); + error = -zfs_create(dir, dname(dentry), vap, 0, mode, &ip, cr, 0, NULL); + if (error == 0) { + d_instantiate(dentry, ip); + + error = zpl_xattr_security_init(ip, dir, &dentry->d_name); + if (error == 0) + error = zpl_init_acl(ip, dir); + + if (error) + (void) zfs_remove(dir, dname(dentry), cr); + } + + spl_fstrans_unmark(cookie); + kmem_free(vap, sizeof (vattr_t)); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_unlink(struct inode *dir, struct dentry *dentry) +{ + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + zfs_sb_t *zsb = dentry->d_sb->s_fs_info; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_remove(dir, dname(dentry), cr); + + /* + * For a CI FS we must invalidate the dentry to prevent the + * creation of negative entries. + */ + if (error == 0 && zsb->z_case == ZFS_CASE_INSENSITIVE) + d_invalidate(dentry); + + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_mkdir(struct inode *dir, struct dentry *dentry, zpl_umode_t mode) +{ + cred_t *cr = CRED(); + vattr_t *vap; + struct inode *ip; + int error; + fstrans_cookie_t cookie; + + crhold(cr); + vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP); + zpl_vap_init(vap, dir, mode | S_IFDIR, cr); + + cookie = spl_fstrans_mark(); + error = -zfs_mkdir(dir, dname(dentry), vap, &ip, cr, 0, NULL); + if (error == 0) { + d_instantiate(dentry, ip); + + error = zpl_xattr_security_init(ip, dir, &dentry->d_name); + if (error == 0) + error = zpl_init_acl(ip, dir); + + if (error) + (void) zfs_rmdir(dir, dname(dentry), NULL, cr, 0); + } + + spl_fstrans_unmark(cookie); + kmem_free(vap, sizeof (vattr_t)); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_rmdir(struct inode * dir, struct dentry *dentry) +{ + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + zfs_sb_t *zsb = dentry->d_sb->s_fs_info; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_rmdir(dir, dname(dentry), NULL, cr, 0); + + /* + * For a CI FS we must invalidate the dentry to prevent the + * creation of negative entries. + */ + if (error == 0 && zsb->z_case == ZFS_CASE_INSENSITIVE) + d_invalidate(dentry); + + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) +{ + int error; + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + error = -zfs_getattr_fast(dentry->d_inode, stat); + spl_fstrans_unmark(cookie); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_setattr(struct dentry *dentry, struct iattr *ia) +{ + struct inode *ip = dentry->d_inode; + cred_t *cr = CRED(); + vattr_t *vap; + int error; + fstrans_cookie_t cookie; + + error = setattr_prepare(dentry, ia); + if (error) + return (error); + + crhold(cr); + vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP); + vap->va_mask = ia->ia_valid & ATTR_IATTR_MASK; + vap->va_mode = ia->ia_mode; + vap->va_uid = KUID_TO_SUID(ia->ia_uid); + vap->va_gid = KGID_TO_SGID(ia->ia_gid); + vap->va_size = ia->ia_size; + vap->va_atime = ia->ia_atime; + vap->va_mtime = ia->ia_mtime; + vap->va_ctime = ia->ia_ctime; + + if (vap->va_mask & ATTR_ATIME) + ip->i_atime = ia->ia_atime; + + cookie = spl_fstrans_mark(); + error = -zfs_setattr(ip, vap, 0, cr); + if (!error && (ia->ia_valid & ATTR_MODE)) + error = zpl_chmod_acl(ip); + + spl_fstrans_unmark(cookie); + kmem_free(vap, sizeof (vattr_t)); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_rename2(struct inode *sdip, struct dentry *sdentry, + struct inode *tdip, struct dentry *tdentry, unsigned int flags) +{ + cred_t *cr = CRED(); + int error; + fstrans_cookie_t cookie; + + /* We don't have renameat2(2) support */ + if (flags) + return (-EINVAL); + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_rename(sdip, dname(sdentry), tdip, dname(tdentry), cr, 0); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +#ifndef HAVE_RENAME_WANTS_FLAGS +static int +zpl_rename(struct inode *sdip, struct dentry *sdentry, + struct inode *tdip, struct dentry *tdentry) +{ + return (zpl_rename2(sdip, sdentry, tdip, tdentry, 0)); +} +#endif + +static int +zpl_symlink(struct inode *dir, struct dentry *dentry, const char *name) +{ + cred_t *cr = CRED(); + vattr_t *vap; + struct inode *ip; + int error; + fstrans_cookie_t cookie; + + crhold(cr); + vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP); + zpl_vap_init(vap, dir, S_IFLNK | S_IRWXUGO, cr); + + cookie = spl_fstrans_mark(); + error = -zfs_symlink(dir, dname(dentry), vap, (char *)name, &ip, cr, 0); + if (error == 0) { + d_instantiate(dentry, ip); + + error = zpl_xattr_security_init(ip, dir, &dentry->d_name); + if (error) + (void) zfs_remove(dir, dname(dentry), cr); + } + + spl_fstrans_unmark(cookie); + kmem_free(vap, sizeof (vattr_t)); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +#if defined(HAVE_PUT_LINK_COOKIE) +static void +zpl_put_link(struct inode *unused, void *cookie) +{ + kmem_free(cookie, MAXPATHLEN); +} +#elif defined(HAVE_PUT_LINK_NAMEIDATA) +static void +zpl_put_link(struct dentry *dentry, struct nameidata *nd, void *ptr) +{ + const char *link = nd_get_link(nd); + + if (!IS_ERR(link)) + kmem_free(link, MAXPATHLEN); +} +#elif defined(HAVE_PUT_LINK_DELAYED) +static void +zpl_put_link(void *ptr) +{ + kmem_free(ptr, MAXPATHLEN); +} +#endif + +static int +zpl_get_link_common(struct dentry *dentry, struct inode *ip, char **link) +{ + fstrans_cookie_t cookie; + cred_t *cr = CRED(); + struct iovec iov; + uio_t uio; + int error; + + crhold(cr); + *link = NULL; + iov.iov_len = MAXPATHLEN; + iov.iov_base = kmem_zalloc(MAXPATHLEN, KM_SLEEP); + + uio.uio_iov = &iov; + uio.uio_iovcnt = 1; + uio.uio_skip = 0; + uio.uio_resid = (MAXPATHLEN - 1); + uio.uio_segflg = UIO_SYSSPACE; + + cookie = spl_fstrans_mark(); + error = -zfs_readlink(ip, &uio, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + + if (error) + kmem_free(iov.iov_base, MAXPATHLEN); + else + *link = iov.iov_base; + + return (error); +} + +#if defined(HAVE_GET_LINK_DELAYED) +const char * +zpl_get_link(struct dentry *dentry, struct inode *inode, + struct delayed_call *done) +{ + char *link = NULL; + int error; + + if (!dentry) + return (ERR_PTR(-ECHILD)); + + error = zpl_get_link_common(dentry, inode, &link); + if (error) + return (ERR_PTR(error)); + + set_delayed_call(done, zpl_put_link, link); + + return (link); +} +#elif defined(HAVE_GET_LINK_COOKIE) +const char * +zpl_get_link(struct dentry *dentry, struct inode *inode, void **cookie) +{ + char *link = NULL; + int error; + + if (!dentry) + return (ERR_PTR(-ECHILD)); + + error = zpl_get_link_common(dentry, inode, &link); + if (error) + return (ERR_PTR(error)); + + return (*cookie = link); +} +#elif defined(HAVE_FOLLOW_LINK_COOKIE) +const char * +zpl_follow_link(struct dentry *dentry, void **cookie) +{ + char *link = NULL; + int error; + + error = zpl_get_link_common(dentry, dentry->d_inode, &link); + if (error) + return (ERR_PTR(error)); + + return (*cookie = link); +} +#elif defined(HAVE_FOLLOW_LINK_NAMEIDATA) +static void * +zpl_follow_link(struct dentry *dentry, struct nameidata *nd) +{ + char *link = NULL; + int error; + + error = zpl_get_link_common(dentry, dentry->d_inode, &link); + if (error) + nd_set_link(nd, ERR_PTR(error)); + else + nd_set_link(nd, link); + + return (NULL); +} +#endif + +static int +zpl_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) +{ + cred_t *cr = CRED(); + struct inode *ip = old_dentry->d_inode; + int error; + fstrans_cookie_t cookie; + + if (ip->i_nlink >= ZFS_LINK_MAX) + return (-EMLINK); + + crhold(cr); + ip->i_ctime = CURRENT_TIME_SEC; + igrab(ip); /* Use ihold() if available */ + + cookie = spl_fstrans_mark(); + error = -zfs_link(dir, ip, dname(dentry), cr); + if (error) { + iput(ip); + goto out; + } + + d_instantiate(dentry, ip); +out: + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +#ifdef HAVE_INODE_TRUNCATE_RANGE +static void +zpl_truncate_range(struct inode *ip, loff_t start, loff_t end) +{ + cred_t *cr = CRED(); + flock64_t bf; + fstrans_cookie_t cookie; + + ASSERT3S(start, <=, end); + + /* + * zfs_freesp() will interpret (len == 0) as meaning "truncate until + * the end of the file". We don't want that. + */ + if (start == end) + return; + + crhold(cr); + + bf.l_type = F_WRLCK; + bf.l_whence = 0; + bf.l_start = start; + bf.l_len = end - start; + bf.l_pid = 0; + cookie = spl_fstrans_mark(); + zfs_space(ip, F_FREESP, &bf, FWRITE, start, cr); + spl_fstrans_unmark(cookie); + + crfree(cr); +} +#endif /* HAVE_INODE_TRUNCATE_RANGE */ + +#ifdef HAVE_INODE_FALLOCATE +static long +zpl_fallocate(struct inode *ip, int mode, loff_t offset, loff_t len) +{ + return (zpl_fallocate_common(ip, mode, offset, len)); +} +#endif /* HAVE_INODE_FALLOCATE */ + +static int +#ifdef HAVE_D_REVALIDATE_NAMEIDATA +zpl_revalidate(struct dentry *dentry, struct nameidata *nd) +{ + unsigned int flags = (nd ? nd->flags : 0); +#else +zpl_revalidate(struct dentry *dentry, unsigned int flags) +{ +#endif /* HAVE_D_REVALIDATE_NAMEIDATA */ + zfs_sb_t *zsb = dentry->d_sb->s_fs_info; + int error; + + if (flags & LOOKUP_RCU) + return (-ECHILD); + + /* + * Automounted snapshots rely on periodic dentry revalidation + * to defer snapshots from being automatically unmounted. + */ + if (zsb->z_issnap) { + if (time_after(jiffies, zsb->z_snap_defer_time + + MAX(zfs_expire_snapshot * HZ / 2, HZ))) { + zsb->z_snap_defer_time = jiffies; + zfsctl_snapshot_unmount_delay(zsb->z_os->os_spa, + dmu_objset_id(zsb->z_os), zfs_expire_snapshot); + } + } + + /* + * After a rollback negative dentries created before the rollback + * time must be invalidated. Otherwise they can obscure files which + * are only present in the rolled back dataset. + */ + if (dentry->d_inode == NULL) { + spin_lock(&dentry->d_lock); + error = time_before(dentry->d_time, zsb->z_rollback_time); + spin_unlock(&dentry->d_lock); + + if (error) + return (0); + } + + /* + * The dentry may reference a stale inode if a mounted file system + * was rolled back to a point in time where the object didn't exist. + */ + if (dentry->d_inode && ITOZ(dentry->d_inode)->z_is_stale) + return (0); + + return (1); +} + +const struct inode_operations zpl_inode_operations = { + .setattr = zpl_setattr, + .getattr = zpl_getattr, +#ifdef HAVE_GENERIC_SETXATTR + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .removexattr = generic_removexattr, +#endif + .listxattr = zpl_xattr_list, +#ifdef HAVE_INODE_TRUNCATE_RANGE + .truncate_range = zpl_truncate_range, +#endif /* HAVE_INODE_TRUNCATE_RANGE */ +#ifdef HAVE_INODE_FALLOCATE + .fallocate = zpl_fallocate, +#endif /* HAVE_INODE_FALLOCATE */ +#if defined(CONFIG_FS_POSIX_ACL) +#if defined(HAVE_SET_ACL) + .set_acl = zpl_set_acl, +#endif +#if defined(HAVE_GET_ACL) + .get_acl = zpl_get_acl, +#elif defined(HAVE_CHECK_ACL) + .check_acl = zpl_check_acl, +#elif defined(HAVE_PERMISSION) + .permission = zpl_permission, +#endif /* HAVE_GET_ACL | HAVE_CHECK_ACL | HAVE_PERMISSION */ +#endif /* CONFIG_FS_POSIX_ACL */ +}; + +const struct inode_operations zpl_dir_inode_operations = { + .create = zpl_create, + .lookup = zpl_lookup, + .link = zpl_link, + .unlink = zpl_unlink, + .symlink = zpl_symlink, + .mkdir = zpl_mkdir, + .rmdir = zpl_rmdir, + .mknod = zpl_mknod, +#ifdef HAVE_RENAME_WANTS_FLAGS + .rename = zpl_rename2, +#else + .rename = zpl_rename, +#endif + .setattr = zpl_setattr, + .getattr = zpl_getattr, +#ifdef HAVE_GENERIC_SETXATTR + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .removexattr = generic_removexattr, +#endif + .listxattr = zpl_xattr_list, +#if defined(CONFIG_FS_POSIX_ACL) +#if defined(HAVE_SET_ACL) + .set_acl = zpl_set_acl, +#endif +#if defined(HAVE_GET_ACL) + .get_acl = zpl_get_acl, +#elif defined(HAVE_CHECK_ACL) + .check_acl = zpl_check_acl, +#elif defined(HAVE_PERMISSION) + .permission = zpl_permission, +#endif /* HAVE_GET_ACL | HAVE_CHECK_ACL | HAVE_PERMISSION */ +#endif /* CONFIG_FS_POSIX_ACL */ +}; + +const struct inode_operations zpl_symlink_inode_operations = { +#ifdef HAVE_GENERIC_READLINK + .readlink = generic_readlink, +#endif +#if defined(HAVE_GET_LINK_DELAYED) || defined(HAVE_GET_LINK_COOKIE) + .get_link = zpl_get_link, +#elif defined(HAVE_FOLLOW_LINK_COOKIE) || defined(HAVE_FOLLOW_LINK_NAMEIDATA) + .follow_link = zpl_follow_link, +#endif +#if defined(HAVE_PUT_LINK_COOKIE) || defined(HAVE_PUT_LINK_NAMEIDATA) + .put_link = zpl_put_link, +#endif + .setattr = zpl_setattr, + .getattr = zpl_getattr, +#ifdef HAVE_GENERIC_SETXATTR + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .removexattr = generic_removexattr, +#endif + .listxattr = zpl_xattr_list, +}; + +const struct inode_operations zpl_special_inode_operations = { + .setattr = zpl_setattr, + .getattr = zpl_getattr, +#ifdef HAVE_GENERIC_SETXATTR + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .removexattr = generic_removexattr, +#endif + .listxattr = zpl_xattr_list, +#if defined(CONFIG_FS_POSIX_ACL) +#if defined(HAVE_SET_ACL) + .set_acl = zpl_set_acl, +#endif +#if defined(HAVE_GET_ACL) + .get_acl = zpl_get_acl, +#elif defined(HAVE_CHECK_ACL) + .check_acl = zpl_check_acl, +#elif defined(HAVE_PERMISSION) + .permission = zpl_permission, +#endif /* HAVE_GET_ACL | HAVE_CHECK_ACL | HAVE_PERMISSION */ +#endif /* CONFIG_FS_POSIX_ACL */ +}; + +dentry_operations_t zpl_dentry_operations = { + .d_revalidate = zpl_revalidate, +}; diff --git a/zfs/module/zfs/zpl_super.c b/zfs/module/zfs/zpl_super.c new file mode 100644 index 000000000000..91c36c9e3675 --- /dev/null +++ b/zfs/module/zfs/zpl_super.c @@ -0,0 +1,551 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2011, Lawrence Livermore National Security, LLC. + */ + + +#include +#include +#include +#include +#include + + +static struct inode * +zpl_inode_alloc(struct super_block *sb) +{ + struct inode *ip; + + VERIFY3S(zfs_inode_alloc(sb, &ip), ==, 0); + ip->i_version = 1; + + return (ip); +} + +static void +zpl_inode_destroy(struct inode *ip) +{ + ASSERT(atomic_read(&ip->i_count) == 0); + zfs_inode_destroy(ip); +} + +/* + * Called from __mark_inode_dirty() to reflect that something in the + * inode has changed. We use it to ensure the znode system attributes + * are always strictly update to date with respect to the inode. + */ +#ifdef HAVE_DIRTY_INODE_WITH_FLAGS +static void +zpl_dirty_inode(struct inode *ip, int flags) +{ + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + zfs_dirty_inode(ip, flags); + spl_fstrans_unmark(cookie); +} +#else +static void +zpl_dirty_inode(struct inode *ip) +{ + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + zfs_dirty_inode(ip, 0); + spl_fstrans_unmark(cookie); +} +#endif /* HAVE_DIRTY_INODE_WITH_FLAGS */ + +/* + * When ->drop_inode() is called its return value indicates if the + * inode should be evicted from the inode cache. If the inode is + * unhashed and has no links the default policy is to evict it + * immediately. + * + * Prior to 2.6.36 this eviction was accomplished by the vfs calling + * ->delete_inode(). It was ->delete_inode()'s responsibility to + * truncate the inode pages and call clear_inode(). The call to + * clear_inode() synchronously invalidates all the buffers and + * calls ->clear_inode(). It was ->clear_inode()'s responsibility + * to cleanup and filesystem specific data before freeing the inode. + * + * This elaborate mechanism was replaced by ->evict_inode() which + * does the job of both ->delete_inode() and ->clear_inode(). It + * will be called exactly once, and when it returns the inode must + * be in a state where it can simply be freed.i + * + * The ->evict_inode() callback must minimally truncate the inode pages, + * and call clear_inode(). For 2.6.35 and later kernels this will + * simply update the inode state, with the sync occurring before the + * truncate in evict(). For earlier kernels clear_inode() maps to + * end_writeback() which is responsible for completing all outstanding + * write back. In either case, once this is done it is safe to cleanup + * any remaining inode specific data via zfs_inactive(). + * remaining filesystem specific data. + */ +#ifdef HAVE_EVICT_INODE +static void +zpl_evict_inode(struct inode *ip) +{ + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + truncate_setsize(ip, 0); + clear_inode(ip); + zfs_inactive(ip); + spl_fstrans_unmark(cookie); +} + +#else + +static void +zpl_drop_inode(struct inode *ip) +{ + generic_delete_inode(ip); +} + +static void +zpl_clear_inode(struct inode *ip) +{ + fstrans_cookie_t cookie; + + cookie = spl_fstrans_mark(); + zfs_inactive(ip); + spl_fstrans_unmark(cookie); +} + +static void +zpl_inode_delete(struct inode *ip) +{ + truncate_setsize(ip, 0); + clear_inode(ip); +} +#endif /* HAVE_EVICT_INODE */ + +static void +zpl_put_super(struct super_block *sb) +{ + fstrans_cookie_t cookie; + int error; + + cookie = spl_fstrans_mark(); + error = -zfs_umount(sb); + spl_fstrans_unmark(cookie); + ASSERT3S(error, <=, 0); +} + +static int +zpl_sync_fs(struct super_block *sb, int wait) +{ + fstrans_cookie_t cookie; + cred_t *cr = CRED(); + int error; + + crhold(cr); + cookie = spl_fstrans_mark(); + error = -zfs_sync(sb, wait, cr); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_statfs(struct dentry *dentry, struct kstatfs *statp) +{ + fstrans_cookie_t cookie; + int error; + + cookie = spl_fstrans_mark(); + error = -zfs_statvfs(dentry, statp); + spl_fstrans_unmark(cookie); + ASSERT3S(error, <=, 0); + + return (error); +} + +enum { + TOKEN_RO, + TOKEN_RW, + TOKEN_SETUID, + TOKEN_NOSETUID, + TOKEN_EXEC, + TOKEN_NOEXEC, + TOKEN_DEVICES, + TOKEN_NODEVICES, + TOKEN_DIRXATTR, + TOKEN_SAXATTR, + TOKEN_XATTR, + TOKEN_NOXATTR, + TOKEN_ATIME, + TOKEN_NOATIME, + TOKEN_RELATIME, + TOKEN_NORELATIME, + TOKEN_NBMAND, + TOKEN_NONBMAND, + TOKEN_MNTPOINT, + TOKEN_LAST, +}; + +static const match_table_t zpl_tokens = { + { TOKEN_RO, MNTOPT_RO }, + { TOKEN_RW, MNTOPT_RW }, + { TOKEN_SETUID, MNTOPT_SETUID }, + { TOKEN_NOSETUID, MNTOPT_NOSETUID }, + { TOKEN_EXEC, MNTOPT_EXEC }, + { TOKEN_NOEXEC, MNTOPT_NOEXEC }, + { TOKEN_DEVICES, MNTOPT_DEVICES }, + { TOKEN_NODEVICES, MNTOPT_NODEVICES }, + { TOKEN_DIRXATTR, MNTOPT_DIRXATTR }, + { TOKEN_SAXATTR, MNTOPT_SAXATTR }, + { TOKEN_XATTR, MNTOPT_XATTR }, + { TOKEN_NOXATTR, MNTOPT_NOXATTR }, + { TOKEN_ATIME, MNTOPT_ATIME }, + { TOKEN_NOATIME, MNTOPT_NOATIME }, + { TOKEN_RELATIME, MNTOPT_RELATIME }, + { TOKEN_NORELATIME, MNTOPT_NORELATIME }, + { TOKEN_NBMAND, MNTOPT_NBMAND }, + { TOKEN_NONBMAND, MNTOPT_NONBMAND }, + { TOKEN_MNTPOINT, MNTOPT_MNTPOINT "=%s" }, + { TOKEN_LAST, NULL }, +}; + +static int +zpl_parse_option(char *option, int token, substring_t *args, zfs_mntopts_t *zmo) +{ + switch (token) { + case TOKEN_RO: + zmo->z_readonly = B_TRUE; + zmo->z_do_readonly = B_TRUE; + break; + case TOKEN_RW: + zmo->z_readonly = B_FALSE; + zmo->z_do_readonly = B_TRUE; + break; + case TOKEN_SETUID: + zmo->z_setuid = B_TRUE; + zmo->z_do_setuid = B_TRUE; + break; + case TOKEN_NOSETUID: + zmo->z_setuid = B_FALSE; + zmo->z_do_setuid = B_TRUE; + break; + case TOKEN_EXEC: + zmo->z_exec = B_TRUE; + zmo->z_do_exec = B_TRUE; + break; + case TOKEN_NOEXEC: + zmo->z_exec = B_FALSE; + zmo->z_do_exec = B_TRUE; + break; + case TOKEN_DEVICES: + zmo->z_devices = B_TRUE; + zmo->z_do_devices = B_TRUE; + break; + case TOKEN_NODEVICES: + zmo->z_devices = B_FALSE; + zmo->z_do_devices = B_TRUE; + break; + case TOKEN_DIRXATTR: + zmo->z_xattr = ZFS_XATTR_DIR; + zmo->z_do_xattr = B_TRUE; + break; + case TOKEN_SAXATTR: + zmo->z_xattr = ZFS_XATTR_SA; + zmo->z_do_xattr = B_TRUE; + break; + case TOKEN_XATTR: + zmo->z_xattr = ZFS_XATTR_DIR; + zmo->z_do_xattr = B_TRUE; + break; + case TOKEN_NOXATTR: + zmo->z_xattr = ZFS_XATTR_OFF; + zmo->z_do_xattr = B_TRUE; + break; + case TOKEN_ATIME: + zmo->z_atime = B_TRUE; + zmo->z_do_atime = B_TRUE; + break; + case TOKEN_NOATIME: + zmo->z_atime = B_FALSE; + zmo->z_do_atime = B_TRUE; + break; + case TOKEN_RELATIME: + zmo->z_relatime = B_TRUE; + zmo->z_do_relatime = B_TRUE; + break; + case TOKEN_NORELATIME: + zmo->z_relatime = B_FALSE; + zmo->z_do_relatime = B_TRUE; + break; + case TOKEN_NBMAND: + zmo->z_nbmand = B_TRUE; + zmo->z_do_nbmand = B_TRUE; + break; + case TOKEN_NONBMAND: + zmo->z_nbmand = B_FALSE; + zmo->z_do_nbmand = B_TRUE; + break; + case TOKEN_MNTPOINT: + zmo->z_mntpoint = match_strdup(&args[0]); + if (zmo->z_mntpoint == NULL) + return (-ENOMEM); + + break; + default: + break; + } + + return (0); +} + +/* + * Parse the mntopts string storing the results in provided zmo argument. + * If an error occurs the zmo argument will not be modified. The caller + * needs to set isremount when recycling an existing zfs_mntopts_t. + */ +static int +zpl_parse_options(char *osname, char *mntopts, zfs_mntopts_t *zmo, + boolean_t isremount) +{ + zfs_mntopts_t *tmp_zmo; + int error; + + tmp_zmo = zfs_mntopts_alloc(); + tmp_zmo->z_osname = strdup(osname); + + if (mntopts) { + substring_t args[MAX_OPT_ARGS]; + char *tmp_mntopts, *p, *t; + int token; + + t = tmp_mntopts = strdup(mntopts); + + while ((p = strsep(&t, ",")) != NULL) { + if (!*p) + continue; + + args[0].to = args[0].from = NULL; + token = match_token(p, zpl_tokens, args); + error = zpl_parse_option(p, token, args, tmp_zmo); + if (error) { + zfs_mntopts_free(tmp_zmo); + strfree(tmp_mntopts); + return (error); + } + } + + strfree(tmp_mntopts); + } + + if (isremount == B_TRUE) { + if (zmo->z_osname) + strfree(zmo->z_osname); + + if (zmo->z_mntpoint) + strfree(zmo->z_mntpoint); + } else { + ASSERT3P(zmo->z_osname, ==, NULL); + ASSERT3P(zmo->z_mntpoint, ==, NULL); + } + + memcpy(zmo, tmp_zmo, sizeof (zfs_mntopts_t)); + kmem_free(tmp_zmo, sizeof (zfs_mntopts_t)); + + return (0); +} + +static int +zpl_remount_fs(struct super_block *sb, int *flags, char *data) +{ + zfs_sb_t *zsb = sb->s_fs_info; + fstrans_cookie_t cookie; + int error; + + error = zpl_parse_options(zsb->z_mntopts->z_osname, data, + zsb->z_mntopts, B_TRUE); + if (error) + return (error); + + cookie = spl_fstrans_mark(); + error = -zfs_remount(sb, flags, zsb->z_mntopts); + spl_fstrans_unmark(cookie); + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +__zpl_show_options(struct seq_file *seq, zfs_sb_t *zsb) +{ + seq_printf(seq, ",%s", zsb->z_flags & ZSB_XATTR ? "xattr" : "noxattr"); + +#ifdef CONFIG_FS_POSIX_ACL + switch (zsb->z_acl_type) { + case ZFS_ACLTYPE_POSIXACL: + seq_puts(seq, ",posixacl"); + break; + default: + seq_puts(seq, ",noacl"); + break; + } +#endif /* CONFIG_FS_POSIX_ACL */ + + return (0); +} + +#ifdef HAVE_SHOW_OPTIONS_WITH_DENTRY +static int +zpl_show_options(struct seq_file *seq, struct dentry *root) +{ + return (__zpl_show_options(seq, root->d_sb->s_fs_info)); +} +#else +static int +zpl_show_options(struct seq_file *seq, struct vfsmount *vfsp) +{ + return (__zpl_show_options(seq, vfsp->mnt_sb->s_fs_info)); +} +#endif /* HAVE_SHOW_OPTIONS_WITH_DENTRY */ + +static int +zpl_fill_super(struct super_block *sb, void *data, int silent) +{ + zfs_mntopts_t *zmo = (zfs_mntopts_t *)data; + fstrans_cookie_t cookie; + int error; + + cookie = spl_fstrans_mark(); + error = -zfs_domount(sb, zmo, silent); + spl_fstrans_unmark(cookie); + ASSERT3S(error, <=, 0); + + return (error); +} + +#ifdef HAVE_MOUNT_NODEV +static struct dentry * +zpl_mount(struct file_system_type *fs_type, int flags, + const char *osname, void *data) +{ + zfs_mntopts_t *zmo = zfs_mntopts_alloc(); + int error; + + error = zpl_parse_options((char *)osname, (char *)data, zmo, B_FALSE); + if (error) { + zfs_mntopts_free(zmo); + return (ERR_PTR(error)); + } + + return (mount_nodev(fs_type, flags, zmo, zpl_fill_super)); +} +#else +static int +zpl_get_sb(struct file_system_type *fs_type, int flags, + const char *osname, void *data, struct vfsmount *mnt) +{ + zfs_mntopts_t *zmo = zfs_mntopts_alloc(); + int error; + + error = zpl_parse_options((char *)osname, (char *)data, zmo, B_FALSE); + if (error) { + zfs_mntopts_free(zmo); + return (error); + } + + return (get_sb_nodev(fs_type, flags, zmo, zpl_fill_super, mnt)); +} +#endif /* HAVE_MOUNT_NODEV */ + +static void +zpl_kill_sb(struct super_block *sb) +{ + zfs_preumount(sb); + kill_anon_super(sb); + +#ifdef HAVE_S_INSTANCES_LIST_HEAD + sb->s_instances.next = &(zpl_fs_type.fs_supers); +#endif /* HAVE_S_INSTANCES_LIST_HEAD */ +} + +void +zpl_prune_sb(int64_t nr_to_scan, void *arg) +{ + struct super_block *sb = (struct super_block *)arg; + int objects = 0; + + (void) -zfs_sb_prune(sb, nr_to_scan, &objects); +} + +#ifdef HAVE_NR_CACHED_OBJECTS +static int +zpl_nr_cached_objects(struct super_block *sb) +{ + return (0); +} +#endif /* HAVE_NR_CACHED_OBJECTS */ + +#ifdef HAVE_FREE_CACHED_OBJECTS +static void +zpl_free_cached_objects(struct super_block *sb, int nr_to_scan) +{ + /* noop */ +} +#endif /* HAVE_FREE_CACHED_OBJECTS */ + +const struct super_operations zpl_super_operations = { + .alloc_inode = zpl_inode_alloc, + .destroy_inode = zpl_inode_destroy, + .dirty_inode = zpl_dirty_inode, + .write_inode = NULL, +#ifdef HAVE_EVICT_INODE + .evict_inode = zpl_evict_inode, +#else + .drop_inode = zpl_drop_inode, + .clear_inode = zpl_clear_inode, + .delete_inode = zpl_inode_delete, +#endif /* HAVE_EVICT_INODE */ + .put_super = zpl_put_super, + .sync_fs = zpl_sync_fs, + .statfs = zpl_statfs, + .remount_fs = zpl_remount_fs, + .show_options = zpl_show_options, + .show_stats = NULL, +#ifdef HAVE_NR_CACHED_OBJECTS + .nr_cached_objects = zpl_nr_cached_objects, +#endif /* HAVE_NR_CACHED_OBJECTS */ +#ifdef HAVE_FREE_CACHED_OBJECTS + .free_cached_objects = zpl_free_cached_objects, +#endif /* HAVE_FREE_CACHED_OBJECTS */ +}; + +struct file_system_type zpl_fs_type = { + .owner = THIS_MODULE, + .name = ZFS_DRIVER, +#ifdef HAVE_MOUNT_NODEV + .mount = zpl_mount, +#else + .get_sb = zpl_get_sb, +#endif /* HAVE_MOUNT_NODEV */ + .kill_sb = zpl_kill_sb, +}; diff --git a/zfs/module/zfs/zpl_xattr.c b/zfs/module/zfs/zpl_xattr.c new file mode 100644 index 000000000000..58962076d6c8 --- /dev/null +++ b/zfs/module/zfs/zpl_xattr.c @@ -0,0 +1,1543 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2011, Lawrence Livermore National Security, LLC. + * + * Extended attributes (xattr) on Solaris are implemented as files + * which exist in a hidden xattr directory. These extended attributes + * can be accessed using the attropen() system call which opens + * the extended attribute. It can then be manipulated just like + * a standard file descriptor. This has a couple advantages such + * as practically no size limit on the file, and the extended + * attributes permissions may differ from those of the parent file. + * This interface is really quite clever, but it's also completely + * different than what is supported on Linux. It also comes with a + * steep performance penalty when accessing small xattrs because they + * are not stored with the parent file. + * + * Under Linux extended attributes are manipulated by the system + * calls getxattr(2), setxattr(2), and listxattr(2). They consider + * extended attributes to be name/value pairs where the name is a + * NULL terminated string. The name must also include one of the + * following namespace prefixes: + * + * user - No restrictions and is available to user applications. + * trusted - Restricted to kernel and root (CAP_SYS_ADMIN) use. + * system - Used for access control lists (system.nfs4_acl, etc). + * security - Used by SELinux to store a files security context. + * + * The value under Linux to limited to 65536 bytes of binary data. + * In practice, individual xattrs tend to be much smaller than this + * and are typically less than 100 bytes. A good example of this + * are the security.selinux xattrs which are less than 100 bytes and + * exist for every file when xattr labeling is enabled. + * + * The Linux xattr implemenation has been written to take advantage of + * this typical usage. When the dataset property 'xattr=sa' is set, + * then xattrs will be preferentially stored as System Attributes (SA). + * This allows tiny xattrs (~100 bytes) to be stored with the dnode and + * up to 64k of xattrs to be stored in the spill block. If additional + * xattr space is required, which is unlikely under Linux, they will + * be stored using the traditional directory approach. + * + * This optimization results in roughly a 3x performance improvement + * when accessing xattrs because it avoids the need to perform a seek + * for every xattr value. When multiple xattrs are stored per-file + * the performance improvements are even greater because all of the + * xattrs stored in the spill block will be cached. + * + * However, by default SA based xattrs are disabled in the Linux port + * to maximize compatibility with other implementations. If you do + * enable SA based xattrs then they will not be visible on platforms + * which do not support this feature. + * + * NOTE: One additional consequence of the xattr directory implementation + * is that when an extended attribute is manipulated an inode is created. + * This inode will exist in the Linux inode cache but there will be no + * associated entry in the dentry cache which references it. This is + * safe but it may result in some confusion. Enabling SA based xattrs + * largely avoids the issue except in the overflow case. + */ + +#include +#include +#include +#include +#include +#include + +typedef struct xattr_filldir { + size_t size; + size_t offset; + char *buf; + struct dentry *dentry; +} xattr_filldir_t; + +static const struct xattr_handler *zpl_xattr_handler(const char *); + +static int +zpl_xattr_permission(xattr_filldir_t *xf, const char *name, int name_len) +{ + static const struct xattr_handler *handler; + struct dentry *d = xf->dentry; + + handler = zpl_xattr_handler(name); + if (!handler) + return (0); + + if (handler->list) { +#if defined(HAVE_XATTR_LIST_SIMPLE) + if (!handler->list(d)) + return (0); +#elif defined(HAVE_XATTR_LIST_DENTRY) + if (!handler->list(d, NULL, 0, name, name_len, 0)) + return (0); +#elif defined(HAVE_XATTR_LIST_HANDLER) + if (!handler->list(handler, d, NULL, 0, name, name_len)) + return (0); +#elif defined(HAVE_XATTR_LIST_INODE) + if (!handler->list(d->d_inode, NULL, 0, name, name_len)) + return (0); +#endif + } + + return (1); +} + +/* + * Determine is a given xattr name should be visible and if so copy it + * in to the provided buffer (xf->buf). + */ +static int +zpl_xattr_filldir(xattr_filldir_t *xf, const char *name, int name_len) +{ + /* Check permissions using the per-namespace list xattr handler. */ + if (!zpl_xattr_permission(xf, name, name_len)) + return (0); + + /* When xf->buf is NULL only calculate the required size. */ + if (xf->buf) { + if (xf->offset + name_len + 1 > xf->size) + return (-ERANGE); + + memcpy(xf->buf + xf->offset, name, name_len); + xf->buf[xf->offset + name_len] = '\0'; + } + + xf->offset += (name_len + 1); + + return (0); +} + +/* + * Read as many directory entry names as will fit in to the provided buffer, + * or when no buffer is provided calculate the required buffer size. + */ +int +zpl_xattr_readdir(struct inode *dxip, xattr_filldir_t *xf) +{ + zap_cursor_t zc; + zap_attribute_t zap; + int error; + + zap_cursor_init(&zc, ITOZSB(dxip)->z_os, ITOZ(dxip)->z_id); + + while ((error = -zap_cursor_retrieve(&zc, &zap)) == 0) { + + if (zap.za_integer_length != 8 || zap.za_num_integers != 1) { + error = -ENXIO; + break; + } + + error = zpl_xattr_filldir(xf, zap.za_name, strlen(zap.za_name)); + if (error) + break; + + zap_cursor_advance(&zc); + } + + zap_cursor_fini(&zc); + + if (error == -ENOENT) + error = 0; + + return (error); +} + +static ssize_t +zpl_xattr_list_dir(xattr_filldir_t *xf, cred_t *cr) +{ + struct inode *ip = xf->dentry->d_inode; + struct inode *dxip = NULL; + int error; + + /* Lookup the xattr directory */ + error = -zfs_lookup(ip, NULL, &dxip, LOOKUP_XATTR, cr, NULL, NULL); + if (error) { + if (error == -ENOENT) + error = 0; + + return (error); + } + + error = zpl_xattr_readdir(dxip, xf); + iput(dxip); + + return (error); +} + +static ssize_t +zpl_xattr_list_sa(xattr_filldir_t *xf) +{ + znode_t *zp = ITOZ(xf->dentry->d_inode); + nvpair_t *nvp = NULL; + int error = 0; + + mutex_enter(&zp->z_lock); + if (zp->z_xattr_cached == NULL) + error = -zfs_sa_get_xattr(zp); + mutex_exit(&zp->z_lock); + + if (error) + return (error); + + ASSERT(zp->z_xattr_cached); + + while ((nvp = nvlist_next_nvpair(zp->z_xattr_cached, nvp)) != NULL) { + ASSERT3U(nvpair_type(nvp), ==, DATA_TYPE_BYTE_ARRAY); + + error = zpl_xattr_filldir(xf, nvpair_name(nvp), + strlen(nvpair_name(nvp))); + if (error) + return (error); + } + + return (0); +} + +ssize_t +zpl_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size) +{ + znode_t *zp = ITOZ(dentry->d_inode); + zfs_sb_t *zsb = ZTOZSB(zp); + xattr_filldir_t xf = { buffer_size, 0, buffer, dentry }; + cred_t *cr = CRED(); + fstrans_cookie_t cookie; + int error = 0; + + crhold(cr); + cookie = spl_fstrans_mark(); + rrm_enter_read(&(zsb)->z_teardown_lock, FTAG); + rw_enter(&zp->z_xattr_lock, RW_READER); + + if (zsb->z_use_sa && zp->z_is_sa) { + error = zpl_xattr_list_sa(&xf); + if (error) + goto out; + } + + error = zpl_xattr_list_dir(&xf, cr); + if (error) + goto out; + + error = xf.offset; +out: + + rw_exit(&zp->z_xattr_lock); + rrm_exit(&(zsb)->z_teardown_lock, FTAG); + spl_fstrans_unmark(cookie); + crfree(cr); + + return (error); +} + +static int +zpl_xattr_get_dir(struct inode *ip, const char *name, void *value, + size_t size, cred_t *cr) +{ + struct inode *dxip = NULL; + struct inode *xip = NULL; + loff_t pos = 0; + int error; + + /* Lookup the xattr directory */ + error = -zfs_lookup(ip, NULL, &dxip, LOOKUP_XATTR, cr, NULL, NULL); + if (error) + goto out; + + /* Lookup a specific xattr name in the directory */ + error = -zfs_lookup(dxip, (char *)name, &xip, 0, cr, NULL, NULL); + if (error) + goto out; + + if (!size) { + error = i_size_read(xip); + goto out; + } + + if (size < i_size_read(xip)) { + error = -ERANGE; + goto out; + } + + error = zpl_read_common(xip, value, size, &pos, UIO_SYSSPACE, 0, cr); +out: + if (xip) + iput(xip); + + if (dxip) + iput(dxip); + + return (error); +} + +static int +zpl_xattr_get_sa(struct inode *ip, const char *name, void *value, size_t size) +{ + znode_t *zp = ITOZ(ip); + uchar_t *nv_value; + uint_t nv_size; + int error = 0; + + ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock)); + + mutex_enter(&zp->z_lock); + if (zp->z_xattr_cached == NULL) + error = -zfs_sa_get_xattr(zp); + mutex_exit(&zp->z_lock); + + if (error) + return (error); + + ASSERT(zp->z_xattr_cached); + error = -nvlist_lookup_byte_array(zp->z_xattr_cached, name, + &nv_value, &nv_size); + if (error) + return (error); + + if (!size) + return (nv_size); + + if (size < nv_size) + return (-ERANGE); + + memcpy(value, nv_value, nv_size); + + return (nv_size); +} + +static int +__zpl_xattr_get(struct inode *ip, const char *name, void *value, size_t size, + cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ZTOZSB(zp); + int error; + + ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock)); + + if (zsb->z_use_sa && zp->z_is_sa) { + error = zpl_xattr_get_sa(ip, name, value, size); + if (error != -ENOENT) + goto out; + } + + error = zpl_xattr_get_dir(ip, name, value, size, cr); +out: + if (error == -ENOENT) + error = -ENODATA; + + return (error); +} + +#define XATTR_NOENT 0x0 +#define XATTR_IN_SA 0x1 +#define XATTR_IN_DIR 0x2 +/* check where the xattr resides */ +static int +__zpl_xattr_where(struct inode *ip, const char *name, int *where, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ZTOZSB(zp); + int error; + + ASSERT(where); + ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock)); + + *where = XATTR_NOENT; + if (zsb->z_use_sa && zp->z_is_sa) { + error = zpl_xattr_get_sa(ip, name, NULL, 0); + if (error >= 0) + *where |= XATTR_IN_SA; + else if (error != -ENOENT) + return (error); + } + + error = zpl_xattr_get_dir(ip, name, NULL, 0, cr); + if (error >= 0) + *where |= XATTR_IN_DIR; + else if (error != -ENOENT) + return (error); + + if (*where == (XATTR_IN_SA|XATTR_IN_DIR)) + cmn_err(CE_WARN, "ZFS: inode %p has xattr \"%s\"" + " in both SA and dir", ip, name); + if (*where == XATTR_NOENT) + error = -ENODATA; + else + error = 0; + return (error); +} + +static int +zpl_xattr_get(struct inode *ip, const char *name, void *value, size_t size) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ZTOZSB(zp); + cred_t *cr = CRED(); + fstrans_cookie_t cookie; + int error; + + crhold(cr); + cookie = spl_fstrans_mark(); + rrm_enter_read(&(zsb)->z_teardown_lock, FTAG); + rw_enter(&zp->z_xattr_lock, RW_READER); + error = __zpl_xattr_get(ip, name, value, size, cr); + rw_exit(&zp->z_xattr_lock); + rrm_exit(&(zsb)->z_teardown_lock, FTAG); + spl_fstrans_unmark(cookie); + crfree(cr); + + return (error); +} + +static int +zpl_xattr_set_dir(struct inode *ip, const char *name, const void *value, + size_t size, int flags, cred_t *cr) +{ + struct inode *dxip = NULL; + struct inode *xip = NULL; + vattr_t *vap = NULL; + ssize_t wrote; + int lookup_flags, error; + const int xattr_mode = S_IFREG | 0644; + loff_t pos = 0; + + /* + * Lookup the xattr directory. When we're adding an entry pass + * CREATE_XATTR_DIR to ensure the xattr directory is created. + * When removing an entry this flag is not passed to avoid + * unnecessarily creating a new xattr directory. + */ + lookup_flags = LOOKUP_XATTR; + if (value != NULL) + lookup_flags |= CREATE_XATTR_DIR; + + error = -zfs_lookup(ip, NULL, &dxip, lookup_flags, cr, NULL, NULL); + if (error) + goto out; + + /* Lookup a specific xattr name in the directory */ + error = -zfs_lookup(dxip, (char *)name, &xip, 0, cr, NULL, NULL); + if (error && (error != -ENOENT)) + goto out; + + error = 0; + + /* Remove a specific name xattr when value is set to NULL. */ + if (value == NULL) { + if (xip) + error = -zfs_remove(dxip, (char *)name, cr); + + goto out; + } + + /* Lookup failed create a new xattr. */ + if (xip == NULL) { + vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP); + vap->va_mode = xattr_mode; + vap->va_mask = ATTR_MODE; + vap->va_uid = crgetfsuid(cr); + vap->va_gid = crgetfsgid(cr); + + error = -zfs_create(dxip, (char *)name, vap, 0, 0644, &xip, + cr, 0, NULL); + if (error) + goto out; + } + + ASSERT(xip != NULL); + + error = -zfs_freesp(ITOZ(xip), 0, 0, xattr_mode, TRUE); + if (error) + goto out; + + wrote = zpl_write_common(xip, value, size, &pos, UIO_SYSSPACE, 0, cr); + if (wrote < 0) + error = wrote; + +out: + if (vap) + kmem_free(vap, sizeof (vattr_t)); + + if (xip) + iput(xip); + + if (dxip) + iput(dxip); + + if (error == -ENOENT) + error = -ENODATA; + + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_xattr_set_sa(struct inode *ip, const char *name, const void *value, + size_t size, int flags, cred_t *cr) +{ + znode_t *zp = ITOZ(ip); + nvlist_t *nvl; + size_t sa_size; + int error = 0; + + mutex_enter(&zp->z_lock); + if (zp->z_xattr_cached == NULL) + error = -zfs_sa_get_xattr(zp); + mutex_exit(&zp->z_lock); + + if (error) + return (error); + + ASSERT(zp->z_xattr_cached); + nvl = zp->z_xattr_cached; + + if (value == NULL) { + error = -nvlist_remove(nvl, name, DATA_TYPE_BYTE_ARRAY); + if (error == -ENOENT) + error = zpl_xattr_set_dir(ip, name, NULL, 0, flags, cr); + } else { + /* Limited to 32k to keep nvpair memory allocations small */ + if (size > DXATTR_MAX_ENTRY_SIZE) + return (-EFBIG); + + /* Prevent the DXATTR SA from consuming the entire SA region */ + error = -nvlist_size(nvl, &sa_size, NV_ENCODE_XDR); + if (error) + return (error); + + if (sa_size > DXATTR_MAX_SA_SIZE) + return (-EFBIG); + + error = -nvlist_add_byte_array(nvl, name, + (uchar_t *)value, size); + } + + /* + * Update the SA for additions, modifications, and removals. On + * error drop the inconsistent cached version of the nvlist, it + * will be reconstructed from the ARC when next accessed. + */ + if (error == 0) + error = -zfs_sa_set_xattr(zp); + + if (error) { + nvlist_free(nvl); + zp->z_xattr_cached = NULL; + } + + ASSERT3S(error, <=, 0); + + return (error); +} + +static int +zpl_xattr_set(struct inode *ip, const char *name, const void *value, + size_t size, int flags) +{ + znode_t *zp = ITOZ(ip); + zfs_sb_t *zsb = ZTOZSB(zp); + cred_t *cr = CRED(); + fstrans_cookie_t cookie; + int where; + int error; + + crhold(cr); + cookie = spl_fstrans_mark(); + rrm_enter_read(&(zsb)->z_teardown_lock, FTAG); + rw_enter(&ITOZ(ip)->z_xattr_lock, RW_WRITER); + + /* + * Before setting the xattr check to see if it already exists. + * This is done to ensure the following optional flags are honored. + * + * XATTR_CREATE: fail if xattr already exists + * XATTR_REPLACE: fail if xattr does not exist + * + * We also want to know if it resides in sa or dir, so we can make + * sure we don't end up with duplicate in both places. + */ + error = __zpl_xattr_where(ip, name, &where, cr); + if (error < 0) { + if (error != -ENODATA) + goto out; + if (flags & XATTR_REPLACE) + goto out; + + /* The xattr to be removed already doesn't exist */ + error = 0; + if (value == NULL) + goto out; + } else { + error = -EEXIST; + if (flags & XATTR_CREATE) + goto out; + } + + /* Preferentially store the xattr as a SA for better performance */ + if (zsb->z_use_sa && zp->z_is_sa && + (zsb->z_xattr_sa || (value == NULL && where & XATTR_IN_SA))) { + error = zpl_xattr_set_sa(ip, name, value, size, flags, cr); + if (error == 0) { + /* + * Successfully put into SA, we need to clear the one + * in dir. + */ + if (where & XATTR_IN_DIR) + zpl_xattr_set_dir(ip, name, NULL, 0, 0, cr); + goto out; + } + } + + error = zpl_xattr_set_dir(ip, name, value, size, flags, cr); + /* + * Successfully put into dir, we need to clear the one in SA. + */ + if (error == 0 && (where & XATTR_IN_SA)) + zpl_xattr_set_sa(ip, name, NULL, 0, 0, cr); +out: + rw_exit(&ITOZ(ip)->z_xattr_lock); + rrm_exit(&(zsb)->z_teardown_lock, FTAG); + spl_fstrans_unmark(cookie); + crfree(cr); + ASSERT3S(error, <=, 0); + + return (error); +} + +/* + * Extended user attributes + * + * "Extended user attributes may be assigned to files and directories for + * storing arbitrary additional information such as the mime type, + * character set or encoding of a file. The access permissions for user + * attributes are defined by the file permission bits: read permission + * is required to retrieve the attribute value, and writer permission is + * required to change it. + * + * The file permission bits of regular files and directories are + * interpreted differently from the file permission bits of special + * files and symbolic links. For regular files and directories the file + * permission bits define access to the file's contents, while for + * device special files they define access to the device described by + * the special file. The file permissions of symbolic links are not + * used in access checks. These differences would allow users to + * consume filesystem resources in a way not controllable by disk quotas + * for group or world writable special files and directories. + * + * For this reason, extended user attributes are allowed only for + * regular files and directories, and access to extended user attributes + * is restricted to the owner and to users with appropriate capabilities + * for directories with the sticky bit set (see the chmod(1) manual page + * for an explanation of the sticky bit)." - xattr(7) + * + * ZFS allows extended user attributes to be disabled administratively + * by setting the 'xattr=off' property on the dataset. + */ +static int +__zpl_xattr_user_list(struct inode *ip, char *list, size_t list_size, + const char *name, size_t name_len) +{ + return (ITOZSB(ip)->z_flags & ZSB_XATTR); +} +ZPL_XATTR_LIST_WRAPPER(zpl_xattr_user_list); + +static int +__zpl_xattr_user_get(struct inode *ip, const char *name, + void *value, size_t size) +{ + char *xattr_name; + int error; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") == 0) + return (-EINVAL); +#endif + if (!(ITOZSB(ip)->z_flags & ZSB_XATTR)) + return (-EOPNOTSUPP); + + xattr_name = kmem_asprintf("%s%s", XATTR_USER_PREFIX, name); + error = zpl_xattr_get(ip, xattr_name, value, size); + strfree(xattr_name); + + return (error); +} +ZPL_XATTR_GET_WRAPPER(zpl_xattr_user_get); + +static int +__zpl_xattr_user_set(struct inode *ip, const char *name, + const void *value, size_t size, int flags) +{ + char *xattr_name; + int error; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") == 0) + return (-EINVAL); +#endif + if (!(ITOZSB(ip)->z_flags & ZSB_XATTR)) + return (-EOPNOTSUPP); + + xattr_name = kmem_asprintf("%s%s", XATTR_USER_PREFIX, name); + error = zpl_xattr_set(ip, xattr_name, value, size, flags); + strfree(xattr_name); + + return (error); +} +ZPL_XATTR_SET_WRAPPER(zpl_xattr_user_set); + +xattr_handler_t zpl_xattr_user_handler = +{ + .prefix = XATTR_USER_PREFIX, + .list = zpl_xattr_user_list, + .get = zpl_xattr_user_get, + .set = zpl_xattr_user_set, +}; + +/* + * Trusted extended attributes + * + * "Trusted extended attributes are visible and accessible only to + * processes that have the CAP_SYS_ADMIN capability. Attributes in this + * class are used to implement mechanisms in user space (i.e., outside + * the kernel) which keep information in extended attributes to which + * ordinary processes should not have access." - xattr(7) + */ +static int +__zpl_xattr_trusted_list(struct inode *ip, char *list, size_t list_size, + const char *name, size_t name_len) +{ + return (capable(CAP_SYS_ADMIN)); +} +ZPL_XATTR_LIST_WRAPPER(zpl_xattr_trusted_list); + +static int +__zpl_xattr_trusted_get(struct inode *ip, const char *name, + void *value, size_t size) +{ + char *xattr_name; + int error; + + if (!capable(CAP_SYS_ADMIN)) + return (-EACCES); + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") == 0) + return (-EINVAL); +#endif + xattr_name = kmem_asprintf("%s%s", XATTR_TRUSTED_PREFIX, name); + error = zpl_xattr_get(ip, xattr_name, value, size); + strfree(xattr_name); + + return (error); +} +ZPL_XATTR_GET_WRAPPER(zpl_xattr_trusted_get); + +static int +__zpl_xattr_trusted_set(struct inode *ip, const char *name, + const void *value, size_t size, int flags) +{ + char *xattr_name; + int error; + + if (!capable(CAP_SYS_ADMIN)) + return (-EACCES); + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") == 0) + return (-EINVAL); +#endif + xattr_name = kmem_asprintf("%s%s", XATTR_TRUSTED_PREFIX, name); + error = zpl_xattr_set(ip, xattr_name, value, size, flags); + strfree(xattr_name); + + return (error); +} +ZPL_XATTR_SET_WRAPPER(zpl_xattr_trusted_set); + +xattr_handler_t zpl_xattr_trusted_handler = +{ + .prefix = XATTR_TRUSTED_PREFIX, + .list = zpl_xattr_trusted_list, + .get = zpl_xattr_trusted_get, + .set = zpl_xattr_trusted_set, +}; + +/* + * Extended security attributes + * + * "The security attribute namespace is used by kernel security modules, + * such as Security Enhanced Linux, and also to implement file + * capabilities (see capabilities(7)). Read and write access + * permissions to security attributes depend on the policy implemented + * for each security attribute by the security module. When no security + * module is loaded, all processes have read access to extended security + * attributes, and write access is limited to processes that have the + * CAP_SYS_ADMIN capability." - xattr(7) + */ +static int +__zpl_xattr_security_list(struct inode *ip, char *list, size_t list_size, + const char *name, size_t name_len) +{ + return (1); +} +ZPL_XATTR_LIST_WRAPPER(zpl_xattr_security_list); + +static int +__zpl_xattr_security_get(struct inode *ip, const char *name, + void *value, size_t size) +{ + char *xattr_name; + int error; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") == 0) + return (-EINVAL); +#endif + xattr_name = kmem_asprintf("%s%s", XATTR_SECURITY_PREFIX, name); + error = zpl_xattr_get(ip, xattr_name, value, size); + strfree(xattr_name); + + return (error); +} +ZPL_XATTR_GET_WRAPPER(zpl_xattr_security_get); + +static int +__zpl_xattr_security_set(struct inode *ip, const char *name, + const void *value, size_t size, int flags) +{ + char *xattr_name; + int error; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") == 0) + return (-EINVAL); +#endif + xattr_name = kmem_asprintf("%s%s", XATTR_SECURITY_PREFIX, name); + error = zpl_xattr_set(ip, xattr_name, value, size, flags); + strfree(xattr_name); + + return (error); +} +ZPL_XATTR_SET_WRAPPER(zpl_xattr_security_set); + +#ifdef HAVE_CALLBACK_SECURITY_INODE_INIT_SECURITY +static int +__zpl_xattr_security_init(struct inode *ip, const struct xattr *xattrs, + void *fs_info) +{ + const struct xattr *xattr; + int error = 0; + + for (xattr = xattrs; xattr->name != NULL; xattr++) { + error = __zpl_xattr_security_set(ip, + xattr->name, xattr->value, xattr->value_len, 0); + + if (error < 0) + break; + } + + return (error); +} + +int +zpl_xattr_security_init(struct inode *ip, struct inode *dip, + const struct qstr *qstr) +{ + return security_inode_init_security(ip, dip, qstr, + &__zpl_xattr_security_init, NULL); +} + +#else +int +zpl_xattr_security_init(struct inode *ip, struct inode *dip, + const struct qstr *qstr) +{ + int error; + size_t len; + void *value; + char *name; + + error = zpl_security_inode_init_security(ip, dip, qstr, + &name, &value, &len); + if (error) { + if (error == -EOPNOTSUPP) + return (0); + + return (error); + } + + error = __zpl_xattr_security_set(ip, name, value, len, 0); + + kfree(name); + kfree(value); + + return (error); +} +#endif /* HAVE_CALLBACK_SECURITY_INODE_INIT_SECURITY */ + +/* + * Security xattr namespace handlers. + */ +xattr_handler_t zpl_xattr_security_handler = { + .prefix = XATTR_SECURITY_PREFIX, + .list = zpl_xattr_security_list, + .get = zpl_xattr_security_get, + .set = zpl_xattr_security_set, +}; + +/* + * Extended system attributes + * + * "Extended system attributes are used by the kernel to store system + * objects such as Access Control Lists. Read and write access permissions + * to system attributes depend on the policy implemented for each system + * attribute implemented by filesystems in the kernel." - xattr(7) + */ +#ifdef CONFIG_FS_POSIX_ACL +int +zpl_set_acl(struct inode *ip, struct posix_acl *acl, int type) +{ + struct super_block *sb = ITOZSB(ip)->z_sb; + char *name, *value = NULL; + int error = 0; + size_t size = 0; + + if (S_ISLNK(ip->i_mode)) + return (-EOPNOTSUPP); + + switch (type) { + case ACL_TYPE_ACCESS: + name = XATTR_NAME_POSIX_ACL_ACCESS; + if (acl) { + zpl_equivmode_t mode = ip->i_mode; + error = posix_acl_equiv_mode(acl, &mode); + if (error < 0) { + return (error); + } else { + /* + * The mode bits will have been set by + * ->zfs_setattr()->zfs_acl_chmod_setattr() + * using the ZFS ACL conversion. If they + * differ from the Posix ACL conversion dirty + * the inode to write the Posix mode bits. + */ + if (ip->i_mode != mode) { + ip->i_mode = mode; + ip->i_ctime = current_fs_time(sb); + zfs_mark_inode_dirty(ip); + } + + if (error == 0) + acl = NULL; + } + } + break; + + case ACL_TYPE_DEFAULT: + name = XATTR_NAME_POSIX_ACL_DEFAULT; + if (!S_ISDIR(ip->i_mode)) + return (acl ? -EACCES : 0); + break; + + default: + return (-EINVAL); + } + + if (acl) { + size = posix_acl_xattr_size(acl->a_count); + value = kmem_alloc(size, KM_SLEEP); + + error = zpl_acl_to_xattr(acl, value, size); + if (error < 0) { + kmem_free(value, size); + return (error); + } + } + + error = zpl_xattr_set(ip, name, value, size, 0); + if (value) + kmem_free(value, size); + + if (!error) { + if (acl) + zpl_set_cached_acl(ip, type, acl); + else + zpl_forget_cached_acl(ip, type); + } + + return (error); +} + +struct posix_acl * +zpl_get_acl(struct inode *ip, int type) +{ + struct posix_acl *acl; + void *value = NULL; + char *name; + int size; + + /* + * As of Linux 3.14, the kernel get_acl will check this for us. + * Also as of Linux 4.7, comparing against ACL_NOT_CACHED is wrong + * as the kernel get_acl will set it to temporary sentinel value. + */ +#ifndef HAVE_KERNEL_GET_ACL_HANDLE_CACHE + acl = get_cached_acl(ip, type); + if (acl != ACL_NOT_CACHED) + return (acl); +#endif + + switch (type) { + case ACL_TYPE_ACCESS: + name = XATTR_NAME_POSIX_ACL_ACCESS; + break; + case ACL_TYPE_DEFAULT: + name = XATTR_NAME_POSIX_ACL_DEFAULT; + break; + default: + return (ERR_PTR(-EINVAL)); + } + + size = zpl_xattr_get(ip, name, NULL, 0); + if (size > 0) { + value = kmem_alloc(size, KM_SLEEP); + size = zpl_xattr_get(ip, name, value, size); + } + + if (size > 0) { + acl = zpl_acl_from_xattr(value, size); + } else if (size == -ENODATA || size == -ENOSYS) { + acl = NULL; + } else { + acl = ERR_PTR(-EIO); + } + + if (size > 0) + kmem_free(value, size); + + /* As of Linux 4.7, the kernel get_acl will set this for us */ +#ifndef HAVE_KERNEL_GET_ACL_HANDLE_CACHE + if (!IS_ERR(acl)) + zpl_set_cached_acl(ip, type, acl); +#endif + + return (acl); +} + +#if !defined(HAVE_GET_ACL) +static int +__zpl_check_acl(struct inode *ip, int mask) +{ + struct posix_acl *acl; + int error; + + acl = zpl_get_acl(ip, ACL_TYPE_ACCESS); + if (IS_ERR(acl)) + return (PTR_ERR(acl)); + + if (acl) { + error = posix_acl_permission(ip, acl, mask); + zpl_posix_acl_release(acl); + return (error); + } + + return (-EAGAIN); +} + +#if defined(HAVE_CHECK_ACL_WITH_FLAGS) +int +zpl_check_acl(struct inode *ip, int mask, unsigned int flags) +{ + return (__zpl_check_acl(ip, mask)); +} +#elif defined(HAVE_CHECK_ACL) +int +zpl_check_acl(struct inode *ip, int mask) +{ + return (__zpl_check_acl(ip, mask)); +} +#elif defined(HAVE_PERMISSION_WITH_NAMEIDATA) +int +zpl_permission(struct inode *ip, int mask, struct nameidata *nd) +{ + return (generic_permission(ip, mask, __zpl_check_acl)); +} +#elif defined(HAVE_PERMISSION) +int +zpl_permission(struct inode *ip, int mask) +{ + return (generic_permission(ip, mask, __zpl_check_acl)); +} +#endif /* HAVE_CHECK_ACL | HAVE_PERMISSION */ +#endif /* !HAVE_GET_ACL */ + +int +zpl_init_acl(struct inode *ip, struct inode *dir) +{ + struct posix_acl *acl = NULL; + int error = 0; + + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (0); + + if (!S_ISLNK(ip->i_mode)) { + if (ITOZSB(ip)->z_acl_type == ZFS_ACLTYPE_POSIXACL) { + acl = zpl_get_acl(dir, ACL_TYPE_DEFAULT); + if (IS_ERR(acl)) + return (PTR_ERR(acl)); + } + + if (!acl) { + ip->i_mode &= ~current_umask(); + ip->i_ctime = current_fs_time(ITOZSB(ip)->z_sb); + zfs_mark_inode_dirty(ip); + return (0); + } + } + + if ((ITOZSB(ip)->z_acl_type == ZFS_ACLTYPE_POSIXACL) && acl) { + umode_t mode; + + if (S_ISDIR(ip->i_mode)) { + error = zpl_set_acl(ip, acl, ACL_TYPE_DEFAULT); + if (error) + goto out; + } + + mode = ip->i_mode; + error = __posix_acl_create(&acl, GFP_KERNEL, &mode); + if (error >= 0) { + ip->i_mode = mode; + zfs_mark_inode_dirty(ip); + if (error > 0) + error = zpl_set_acl(ip, acl, ACL_TYPE_ACCESS); + } + } +out: + zpl_posix_acl_release(acl); + + return (error); +} + +int +zpl_chmod_acl(struct inode *ip) +{ + struct posix_acl *acl; + int error; + + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (0); + + if (S_ISLNK(ip->i_mode)) + return (-EOPNOTSUPP); + + acl = zpl_get_acl(ip, ACL_TYPE_ACCESS); + if (IS_ERR(acl) || !acl) + return (PTR_ERR(acl)); + + error = __posix_acl_chmod(&acl, GFP_KERNEL, ip->i_mode); + if (!error) + error = zpl_set_acl(ip, acl, ACL_TYPE_ACCESS); + + zpl_posix_acl_release(acl); + + return (error); +} + +static int +__zpl_xattr_acl_list_access(struct inode *ip, char *list, size_t list_size, + const char *name, size_t name_len) +{ + char *xattr_name = XATTR_NAME_POSIX_ACL_ACCESS; + size_t xattr_size = sizeof (XATTR_NAME_POSIX_ACL_ACCESS); + + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (0); + + if (list && xattr_size <= list_size) + memcpy(list, xattr_name, xattr_size); + + return (xattr_size); +} +ZPL_XATTR_LIST_WRAPPER(zpl_xattr_acl_list_access); + +static int +__zpl_xattr_acl_list_default(struct inode *ip, char *list, size_t list_size, + const char *name, size_t name_len) +{ + char *xattr_name = XATTR_NAME_POSIX_ACL_DEFAULT; + size_t xattr_size = sizeof (XATTR_NAME_POSIX_ACL_DEFAULT); + + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (0); + + if (list && xattr_size <= list_size) + memcpy(list, xattr_name, xattr_size); + + return (xattr_size); +} +ZPL_XATTR_LIST_WRAPPER(zpl_xattr_acl_list_default); + +static int +__zpl_xattr_acl_get_access(struct inode *ip, const char *name, + void *buffer, size_t size) +{ + struct posix_acl *acl; + int type = ACL_TYPE_ACCESS; + int error; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") != 0) + return (-EINVAL); +#endif + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (-EOPNOTSUPP); + + acl = zpl_get_acl(ip, type); + if (IS_ERR(acl)) + return (PTR_ERR(acl)); + if (acl == NULL) + return (-ENODATA); + + error = zpl_acl_to_xattr(acl, buffer, size); + zpl_posix_acl_release(acl); + + return (error); +} +ZPL_XATTR_GET_WRAPPER(zpl_xattr_acl_get_access); + +static int +__zpl_xattr_acl_get_default(struct inode *ip, const char *name, + void *buffer, size_t size) +{ + struct posix_acl *acl; + int type = ACL_TYPE_DEFAULT; + int error; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") != 0) + return (-EINVAL); +#endif + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (-EOPNOTSUPP); + + acl = zpl_get_acl(ip, type); + if (IS_ERR(acl)) + return (PTR_ERR(acl)); + if (acl == NULL) + return (-ENODATA); + + error = zpl_acl_to_xattr(acl, buffer, size); + zpl_posix_acl_release(acl); + + return (error); +} +ZPL_XATTR_GET_WRAPPER(zpl_xattr_acl_get_default); + +static int +__zpl_xattr_acl_set_access(struct inode *ip, const char *name, + const void *value, size_t size, int flags) +{ + struct posix_acl *acl; + int type = ACL_TYPE_ACCESS; + int error = 0; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") != 0) + return (-EINVAL); +#endif + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (-EOPNOTSUPP); + + if (!zpl_inode_owner_or_capable(ip)) + return (-EPERM); + + if (value) { + acl = zpl_acl_from_xattr(value, size); + if (IS_ERR(acl)) + return (PTR_ERR(acl)); + else if (acl) { + error = zpl_posix_acl_valid(ip, acl); + if (error) { + zpl_posix_acl_release(acl); + return (error); + } + } + } else { + acl = NULL; + } + + error = zpl_set_acl(ip, acl, type); + zpl_posix_acl_release(acl); + + return (error); +} +ZPL_XATTR_SET_WRAPPER(zpl_xattr_acl_set_access); + +static int +__zpl_xattr_acl_set_default(struct inode *ip, const char *name, + const void *value, size_t size, int flags) +{ + struct posix_acl *acl; + int type = ACL_TYPE_DEFAULT; + int error = 0; + /* xattr_resolve_name will do this for us if this is defined */ +#ifndef HAVE_XATTR_HANDLER_NAME + if (strcmp(name, "") != 0) + return (-EINVAL); +#endif + if (ITOZSB(ip)->z_acl_type != ZFS_ACLTYPE_POSIXACL) + return (-EOPNOTSUPP); + + if (!zpl_inode_owner_or_capable(ip)) + return (-EPERM); + + if (value) { + acl = zpl_acl_from_xattr(value, size); + if (IS_ERR(acl)) + return (PTR_ERR(acl)); + else if (acl) { + error = zpl_posix_acl_valid(ip, acl); + if (error) { + zpl_posix_acl_release(acl); + return (error); + } + } + } else { + acl = NULL; + } + + error = zpl_set_acl(ip, acl, type); + zpl_posix_acl_release(acl); + + return (error); +} +ZPL_XATTR_SET_WRAPPER(zpl_xattr_acl_set_default); + +/* + * ACL access xattr namespace handlers. + * + * Use .name instead of .prefix when available. xattr_resolve_name will match + * whole name and reject anything that has .name only as prefix. + */ +xattr_handler_t zpl_xattr_acl_access_handler = +{ +#ifdef HAVE_XATTR_HANDLER_NAME + .name = XATTR_NAME_POSIX_ACL_ACCESS, +#else + .prefix = XATTR_NAME_POSIX_ACL_ACCESS, +#endif + .list = zpl_xattr_acl_list_access, + .get = zpl_xattr_acl_get_access, + .set = zpl_xattr_acl_set_access, +#if defined(HAVE_XATTR_LIST_SIMPLE) || \ + defined(HAVE_XATTR_LIST_DENTRY) || \ + defined(HAVE_XATTR_LIST_HANDLER) + .flags = ACL_TYPE_ACCESS, +#endif +}; + +/* + * ACL default xattr namespace handlers. + * + * Use .name instead of .prefix when available. xattr_resolve_name will match + * whole name and reject anything that has .name only as prefix. + */ +xattr_handler_t zpl_xattr_acl_default_handler = +{ +#ifdef HAVE_XATTR_HANDLER_NAME + .name = XATTR_NAME_POSIX_ACL_DEFAULT, +#else + .prefix = XATTR_NAME_POSIX_ACL_DEFAULT, +#endif + .list = zpl_xattr_acl_list_default, + .get = zpl_xattr_acl_get_default, + .set = zpl_xattr_acl_set_default, +#if defined(HAVE_XATTR_LIST_SIMPLE) || \ + defined(HAVE_XATTR_LIST_DENTRY) || \ + defined(HAVE_XATTR_LIST_HANDLER) + .flags = ACL_TYPE_DEFAULT, +#endif +}; + +#endif /* CONFIG_FS_POSIX_ACL */ + +xattr_handler_t *zpl_xattr_handlers[] = { + &zpl_xattr_security_handler, + &zpl_xattr_trusted_handler, + &zpl_xattr_user_handler, +#ifdef CONFIG_FS_POSIX_ACL + &zpl_xattr_acl_access_handler, + &zpl_xattr_acl_default_handler, +#endif /* CONFIG_FS_POSIX_ACL */ + NULL +}; + +static const struct xattr_handler * +zpl_xattr_handler(const char *name) +{ + if (strncmp(name, XATTR_USER_PREFIX, + XATTR_USER_PREFIX_LEN) == 0) + return (&zpl_xattr_user_handler); + + if (strncmp(name, XATTR_TRUSTED_PREFIX, + XATTR_TRUSTED_PREFIX_LEN) == 0) + return (&zpl_xattr_trusted_handler); + + if (strncmp(name, XATTR_SECURITY_PREFIX, + XATTR_SECURITY_PREFIX_LEN) == 0) + return (&zpl_xattr_security_handler); + +#ifdef CONFIG_FS_POSIX_ACL + if (strncmp(name, XATTR_NAME_POSIX_ACL_ACCESS, + sizeof (XATTR_NAME_POSIX_ACL_ACCESS)) == 0) + return (&zpl_xattr_acl_access_handler); + + if (strncmp(name, XATTR_NAME_POSIX_ACL_DEFAULT, + sizeof (XATTR_NAME_POSIX_ACL_DEFAULT)) == 0) + return (&zpl_xattr_acl_default_handler); +#endif /* CONFIG_FS_POSIX_ACL */ + + return (NULL); +} + +#if !defined(HAVE_POSIX_ACL_RELEASE) || defined(HAVE_POSIX_ACL_RELEASE_GPL_ONLY) +struct acl_rel_struct { + struct acl_rel_struct *next; + struct posix_acl *acl; + clock_t time; +}; + +#define ACL_REL_GRACE (60*HZ) +#define ACL_REL_WINDOW (1*HZ) +#define ACL_REL_SCHED (ACL_REL_GRACE+ACL_REL_WINDOW) + +/* + * Lockless multi-producer single-consumer fifo list. + * Nodes are added to tail and removed from head. Tail pointer is our + * synchronization point. It always points to the next pointer of the last + * node, or head if list is empty. + */ +static struct acl_rel_struct *acl_rel_head = NULL; +static struct acl_rel_struct **acl_rel_tail = &acl_rel_head; + +static void +zpl_posix_acl_free(void *arg) +{ + struct acl_rel_struct *freelist = NULL; + struct acl_rel_struct *a; + clock_t new_time; + boolean_t refire = B_FALSE; + + ASSERT3P(acl_rel_head, !=, NULL); + while (acl_rel_head) { + a = acl_rel_head; + if (ddi_get_lbolt() - a->time >= ACL_REL_GRACE) { + /* + * If a is the last node we need to reset tail, but we + * need to use cmpxchg to make sure it is still the + * last node. + */ + if (acl_rel_tail == &a->next) { + acl_rel_head = NULL; + if (cmpxchg(&acl_rel_tail, &a->next, + &acl_rel_head) == &a->next) { + ASSERT3P(a->next, ==, NULL); + a->next = freelist; + freelist = a; + break; + } + } + /* + * a is not last node, make sure next pointer is set + * by the adder and advance the head. + */ + while (ACCESS_ONCE(a->next) == NULL) + cpu_relax(); + acl_rel_head = a->next; + a->next = freelist; + freelist = a; + } else { + /* + * a is still in grace period. We are responsible to + * reschedule the free task, since adder will only do + * so if list is empty. + */ + new_time = a->time + ACL_REL_SCHED; + refire = B_TRUE; + break; + } + } + + if (refire) + taskq_dispatch_delay(system_taskq, zpl_posix_acl_free, NULL, + TQ_SLEEP, new_time); + + while (freelist) { + a = freelist; + freelist = a->next; + kfree(a->acl); + kmem_free(a, sizeof (struct acl_rel_struct)); + } +} + +void +zpl_posix_acl_release_impl(struct posix_acl *acl) +{ + struct acl_rel_struct *a, **prev; + + a = kmem_alloc(sizeof (struct acl_rel_struct), KM_SLEEP); + a->next = NULL; + a->acl = acl; + a->time = ddi_get_lbolt(); + /* atomically points tail to us and get the previous tail */ + prev = xchg(&acl_rel_tail, &a->next); + ASSERT3P(*prev, ==, NULL); + *prev = a; + /* if it was empty before, schedule the free task */ + if (prev == &acl_rel_head) + taskq_dispatch_delay(system_taskq, zpl_posix_acl_free, NULL, + TQ_SLEEP, ddi_get_lbolt() + ACL_REL_SCHED); +} +#endif diff --git a/zfs/module/zfs/zrlock.c b/zfs/module/zfs/zrlock.c new file mode 100644 index 000000000000..52f9ee83930e --- /dev/null +++ b/zfs/module/zfs/zrlock.c @@ -0,0 +1,209 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2014 by Delphix. All rights reserved. + */ + +/* + * A Zero Reference Lock (ZRL) is a reference count that can lock out new + * references only when the count is zero and only without waiting if the count + * is not already zero. It is similar to a read-write lock in that it allows + * multiple readers and only a single writer, but it does not allow a writer to + * block while waiting for readers to exit, and therefore the question of + * reader/writer priority is moot (no WRWANT bit). Since the equivalent of + * rw_enter(&lock, RW_WRITER) is disallowed and only tryenter() is allowed, it + * is perfectly safe for the same reader to acquire the same lock multiple + * times. The fact that a ZRL is reentrant for readers (through multiple calls + * to zrl_add()) makes it convenient for determining whether something is + * actively referenced without the fuss of flagging lock ownership across + * function calls. + */ +#include +#include + +/* + * A ZRL can be locked only while there are zero references, so ZRL_LOCKED is + * treated as zero references. + */ +#define ZRL_LOCKED -1 +#define ZRL_DESTROYED -2 + +void +zrl_init(zrlock_t *zrl) +{ + mutex_init(&zrl->zr_mtx, NULL, MUTEX_DEFAULT, NULL); + zrl->zr_refcount = 0; + cv_init(&zrl->zr_cv, NULL, CV_DEFAULT, NULL); +#ifdef ZFS_DEBUG + zrl->zr_owner = NULL; + zrl->zr_caller = NULL; +#endif +} + +void +zrl_destroy(zrlock_t *zrl) +{ + ASSERT0(zrl->zr_refcount); + + mutex_destroy(&zrl->zr_mtx); + zrl->zr_refcount = ZRL_DESTROYED; + cv_destroy(&zrl->zr_cv); +} + +void +#ifdef ZFS_DEBUG +zrl_add_debug(zrlock_t *zrl, const char *zc) +#else +zrl_add(zrlock_t *zrl) +#endif +{ + uint32_t n = (uint32_t)zrl->zr_refcount; + + while (n != ZRL_LOCKED) { + uint32_t cas = atomic_cas_32( + (uint32_t *)&zrl->zr_refcount, n, n + 1); + if (cas == n) { + ASSERT3S((int32_t)n, >=, 0); +#ifdef ZFS_DEBUG + if (zrl->zr_owner == curthread) { + DTRACE_PROBE2(zrlock__reentry, + zrlock_t *, zrl, uint32_t, n); + } + zrl->zr_owner = curthread; + zrl->zr_caller = zc; +#endif + return; + } + n = cas; + } + + mutex_enter(&zrl->zr_mtx); + while (zrl->zr_refcount == ZRL_LOCKED) { + cv_wait(&zrl->zr_cv, &zrl->zr_mtx); + } + ASSERT3S(zrl->zr_refcount, >=, 0); + zrl->zr_refcount++; +#ifdef ZFS_DEBUG + zrl->zr_owner = curthread; + zrl->zr_caller = zc; +#endif + mutex_exit(&zrl->zr_mtx); +} + +void +zrl_remove(zrlock_t *zrl) +{ + uint32_t n; + +#ifdef ZFS_DEBUG + if (zrl->zr_owner == curthread) { + zrl->zr_owner = NULL; + zrl->zr_caller = NULL; + } +#endif + n = atomic_dec_32_nv((uint32_t *)&zrl->zr_refcount); + ASSERT3S((int32_t)n, >=, 0); +} + +int +zrl_tryenter(zrlock_t *zrl) +{ + uint32_t n = (uint32_t)zrl->zr_refcount; + + if (n == 0) { + uint32_t cas = atomic_cas_32( + (uint32_t *)&zrl->zr_refcount, 0, ZRL_LOCKED); + if (cas == 0) { +#ifdef ZFS_DEBUG + ASSERT3P(zrl->zr_owner, ==, NULL); + zrl->zr_owner = curthread; +#endif + return (1); + } + } + + ASSERT3S((int32_t)n, >, ZRL_DESTROYED); + + return (0); +} + +void +zrl_exit(zrlock_t *zrl) +{ + ASSERT3S(zrl->zr_refcount, ==, ZRL_LOCKED); + + mutex_enter(&zrl->zr_mtx); +#ifdef ZFS_DEBUG + ASSERT3P(zrl->zr_owner, ==, curthread); + zrl->zr_owner = NULL; + membar_producer(); /* make sure the owner store happens first */ +#endif + zrl->zr_refcount = 0; + cv_broadcast(&zrl->zr_cv); + mutex_exit(&zrl->zr_mtx); +} + +int +zrl_refcount(zrlock_t *zrl) +{ + int n; + + ASSERT3S(zrl->zr_refcount, >, ZRL_DESTROYED); + + n = (int)zrl->zr_refcount; + return (n <= 0 ? 0 : n); +} + +int +zrl_is_zero(zrlock_t *zrl) +{ + ASSERT3S(zrl->zr_refcount, >, ZRL_DESTROYED); + + return (zrl->zr_refcount <= 0); +} + +int +zrl_is_locked(zrlock_t *zrl) +{ + ASSERT3S(zrl->zr_refcount, >, ZRL_DESTROYED); + + return (zrl->zr_refcount == ZRL_LOCKED); +} + +#ifdef ZFS_DEBUG +kthread_t * +zrl_owner(zrlock_t *zrl) +{ + return (zrl->zr_owner); +} +#endif + +#if defined(_KERNEL) && defined(HAVE_SPL) + +#ifdef ZFS_DEBUG +EXPORT_SYMBOL(zrl_add_debug); +#else +EXPORT_SYMBOL(zrl_add); +#endif +EXPORT_SYMBOL(zrl_remove); + +#endif diff --git a/zfs/module/zfs/zvol.c b/zfs/module/zfs/zvol.c new file mode 100644 index 000000000000..0bb68f9b850e --- /dev/null +++ b/zfs/module/zfs/zvol.c @@ -0,0 +1,1925 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Rewritten for Linux by Brian Behlendorf . + * LLNL-CODE-403049. + * + * ZFS volume emulation driver. + * + * Makes a DMU object look like a volume of arbitrary size, up to 2^64 bytes. + * Volumes are accessed through the symbolic links named: + * + * /dev// + * + * Volumes are persistent through reboot and module load. No user command + * needs to be run before opening and using a device. + * + * Copyright (c) 2016 Actifio, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +unsigned int zvol_inhibit_dev = 0; +unsigned int zvol_major = ZVOL_MAJOR; +unsigned int zvol_prefetch_bytes = (128 * 1024); +unsigned long zvol_max_discard_blocks = 16384; + +static kmutex_t zvol_state_lock; +static list_t zvol_state_list; +static char *zvol_tag = "zvol_tag"; + +/* + * The in-core state of each volume. + */ +typedef struct zvol_state { + char zv_name[MAXNAMELEN]; /* name */ + uint64_t zv_volsize; /* advertised space */ + uint64_t zv_volblocksize; /* volume block size */ + objset_t *zv_objset; /* objset handle */ + uint32_t zv_flags; /* ZVOL_* flags */ + uint32_t zv_open_count; /* open counts */ + uint32_t zv_changed; /* disk changed */ + zilog_t *zv_zilog; /* ZIL handle */ + zfs_rlock_t zv_range_lock; /* range lock */ + dmu_buf_t *zv_dbuf; /* bonus handle */ + dev_t zv_dev; /* device id */ + struct gendisk *zv_disk; /* generic disk */ + struct request_queue *zv_queue; /* request queue */ + spinlock_t zv_lock; /* request queue lock */ + list_node_t zv_next; /* next zvol_state_t linkage */ +} zvol_state_t; + +typedef enum { + ZVOL_ASYNC_CREATE_MINORS, + ZVOL_ASYNC_REMOVE_MINORS, + ZVOL_ASYNC_RENAME_MINORS, + ZVOL_ASYNC_SET_SNAPDEV, + ZVOL_ASYNC_MAX +} zvol_async_op_t; + +typedef struct { + zvol_async_op_t op; + char pool[MAXNAMELEN]; + char name1[MAXNAMELEN]; + char name2[MAXNAMELEN]; + zprop_source_t source; + uint64_t snapdev; +} zvol_task_t; + +#define ZVOL_RDONLY 0x1 + +/* + * Find the next available range of ZVOL_MINORS minor numbers. The + * zvol_state_list is kept in ascending minor order so we simply need + * to scan the list for the first gap in the sequence. This allows us + * to recycle minor number as devices are created and removed. + */ +static int +zvol_find_minor(unsigned *minor) +{ + zvol_state_t *zv; + + *minor = 0; + ASSERT(MUTEX_HELD(&zvol_state_lock)); + for (zv = list_head(&zvol_state_list); zv != NULL; + zv = list_next(&zvol_state_list, zv), *minor += ZVOL_MINORS) { + if (MINOR(zv->zv_dev) != MINOR(*minor)) + break; + } + + /* All minors are in use */ + if (*minor >= (1 << MINORBITS)) + return (SET_ERROR(ENXIO)); + + return (0); +} + +/* + * Find a zvol_state_t given the full major+minor dev_t. + */ +static zvol_state_t * +zvol_find_by_dev(dev_t dev) +{ + zvol_state_t *zv; + + ASSERT(MUTEX_HELD(&zvol_state_lock)); + for (zv = list_head(&zvol_state_list); zv != NULL; + zv = list_next(&zvol_state_list, zv)) { + if (zv->zv_dev == dev) + return (zv); + } + + return (NULL); +} + +/* + * Find a zvol_state_t given the name provided at zvol_alloc() time. + */ +static zvol_state_t * +zvol_find_by_name(const char *name) +{ + zvol_state_t *zv; + + ASSERT(MUTEX_HELD(&zvol_state_lock)); + for (zv = list_head(&zvol_state_list); zv != NULL; + zv = list_next(&zvol_state_list, zv)) { + if (strncmp(zv->zv_name, name, MAXNAMELEN) == 0) + return (zv); + } + + return (NULL); +} + + +/* + * Given a path, return TRUE if path is a ZVOL. + */ +boolean_t +zvol_is_zvol(const char *device) +{ + struct block_device *bdev; + unsigned int major; + + bdev = vdev_lookup_bdev(device); + if (IS_ERR(bdev)) + return (B_FALSE); + + major = MAJOR(bdev->bd_dev); + bdput(bdev); + + if (major == zvol_major) + return (B_TRUE); + + return (B_FALSE); +} + +/* + * ZFS_IOC_CREATE callback handles dmu zvol and zap object creation. + */ +void +zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) +{ + zfs_creat_t *zct = arg; + nvlist_t *nvprops = zct->zct_props; + int error; + uint64_t volblocksize, volsize; + + VERIFY(nvlist_lookup_uint64(nvprops, + zfs_prop_to_name(ZFS_PROP_VOLSIZE), &volsize) == 0); + if (nvlist_lookup_uint64(nvprops, + zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), &volblocksize) != 0) + volblocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE); + + /* + * These properties must be removed from the list so the generic + * property setting step won't apply to them. + */ + VERIFY(nvlist_remove_all(nvprops, + zfs_prop_to_name(ZFS_PROP_VOLSIZE)) == 0); + (void) nvlist_remove_all(nvprops, + zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE)); + + error = dmu_object_claim(os, ZVOL_OBJ, DMU_OT_ZVOL, volblocksize, + DMU_OT_NONE, 0, tx); + ASSERT(error == 0); + + error = zap_create_claim(os, ZVOL_ZAP_OBJ, DMU_OT_ZVOL_PROP, + DMU_OT_NONE, 0, tx); + ASSERT(error == 0); + + error = zap_update(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize, tx); + ASSERT(error == 0); +} + +/* + * ZFS_IOC_OBJSET_STATS entry point. + */ +int +zvol_get_stats(objset_t *os, nvlist_t *nv) +{ + int error; + dmu_object_info_t *doi; + uint64_t val; + + error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &val); + if (error) + return (SET_ERROR(error)); + + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_VOLSIZE, val); + doi = kmem_alloc(sizeof (dmu_object_info_t), KM_SLEEP); + error = dmu_object_info(os, ZVOL_OBJ, doi); + + if (error == 0) { + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_VOLBLOCKSIZE, + doi->doi_data_block_size); + } + + kmem_free(doi, sizeof (dmu_object_info_t)); + + return (SET_ERROR(error)); +} + +static void +zvol_size_changed(zvol_state_t *zv, uint64_t volsize) +{ + struct block_device *bdev; + + bdev = bdget_disk(zv->zv_disk, 0); + if (bdev == NULL) + return; +/* + * 2.6.28 API change + * Added check_disk_size_change() helper function. + */ +#ifdef HAVE_CHECK_DISK_SIZE_CHANGE + set_capacity(zv->zv_disk, volsize >> 9); + zv->zv_volsize = volsize; + check_disk_size_change(zv->zv_disk, bdev); +#else + zv->zv_volsize = volsize; + zv->zv_changed = 1; + (void) check_disk_change(bdev); +#endif /* HAVE_CHECK_DISK_SIZE_CHANGE */ + + bdput(bdev); +} + +/* + * Sanity check volume size. + */ +int +zvol_check_volsize(uint64_t volsize, uint64_t blocksize) +{ + if (volsize == 0) + return (SET_ERROR(EINVAL)); + + if (volsize % blocksize != 0) + return (SET_ERROR(EINVAL)); + +#ifdef _ILP32 + if (volsize - 1 > MAXOFFSET_T) + return (SET_ERROR(EOVERFLOW)); +#endif + return (0); +} + +/* + * Ensure the zap is flushed then inform the VFS of the capacity change. + */ +static int +zvol_update_volsize(uint64_t volsize, objset_t *os) +{ + dmu_tx_t *tx; + int error; + + ASSERT(MUTEX_HELD(&zvol_state_lock)); + + tx = dmu_tx_create(os); + dmu_tx_hold_zap(tx, ZVOL_ZAP_OBJ, TRUE, NULL); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + return (SET_ERROR(error)); + } + + error = zap_update(os, ZVOL_ZAP_OBJ, "size", 8, 1, + &volsize, tx); + dmu_tx_commit(tx); + + if (error == 0) + error = dmu_free_long_range(os, + ZVOL_OBJ, volsize, DMU_OBJECT_END); + + return (error); +} + +static int +zvol_update_live_volsize(zvol_state_t *zv, uint64_t volsize) +{ + zvol_size_changed(zv, volsize); + + /* + * We should post a event here describing the expansion. However, + * the zfs_ereport_post() interface doesn't nicely support posting + * events for zvols, it assumes events relate to vdevs or zios. + */ + + return (0); +} + +/* + * Set ZFS_PROP_VOLSIZE set entry point. + */ +int +zvol_set_volsize(const char *name, uint64_t volsize) +{ + zvol_state_t *zv = NULL; + objset_t *os = NULL; + int error; + dmu_object_info_t *doi; + uint64_t readonly; + boolean_t owned = B_FALSE; + + error = dsl_prop_get_integer(name, + zfs_prop_to_name(ZFS_PROP_READONLY), &readonly, NULL); + if (error != 0) + return (SET_ERROR(error)); + if (readonly) + return (SET_ERROR(EROFS)); + + mutex_enter(&zvol_state_lock); + zv = zvol_find_by_name(name); + + if (zv == NULL || zv->zv_objset == NULL) { + if ((error = dmu_objset_own(name, DMU_OST_ZVOL, B_FALSE, + FTAG, &os)) != 0) { + mutex_exit(&zvol_state_lock); + return (SET_ERROR(error)); + } + owned = B_TRUE; + if (zv != NULL) + zv->zv_objset = os; + } else { + os = zv->zv_objset; + } + + doi = kmem_alloc(sizeof (dmu_object_info_t), KM_SLEEP); + + if ((error = dmu_object_info(os, ZVOL_OBJ, doi)) || + (error = zvol_check_volsize(volsize, doi->doi_data_block_size))) + goto out; + + error = zvol_update_volsize(volsize, os); + kmem_free(doi, sizeof (dmu_object_info_t)); + + if (error == 0 && zv != NULL) + error = zvol_update_live_volsize(zv, volsize); +out: + if (owned) { + dmu_objset_disown(os, FTAG); + if (zv != NULL) + zv->zv_objset = NULL; + } + mutex_exit(&zvol_state_lock); + return (error); +} + +/* + * Sanity check volume block size. + */ +int +zvol_check_volblocksize(const char *name, uint64_t volblocksize) +{ + /* Record sizes above 128k need the feature to be enabled */ + if (volblocksize > SPA_OLD_MAXBLOCKSIZE) { + spa_t *spa; + int error; + + if ((error = spa_open(name, &spa, FTAG)) != 0) + return (error); + + if (!spa_feature_is_enabled(spa, SPA_FEATURE_LARGE_BLOCKS)) { + spa_close(spa, FTAG); + return (SET_ERROR(ENOTSUP)); + } + + /* + * We don't allow setting the property above 1MB, + * unless the tunable has been changed. + */ + if (volblocksize > zfs_max_recordsize) + return (SET_ERROR(EDOM)); + + spa_close(spa, FTAG); + } + + if (volblocksize < SPA_MINBLOCKSIZE || + volblocksize > SPA_MAXBLOCKSIZE || + !ISP2(volblocksize)) + return (SET_ERROR(EDOM)); + + return (0); +} + +/* + * Set ZFS_PROP_VOLBLOCKSIZE set entry point. + */ +int +zvol_set_volblocksize(const char *name, uint64_t volblocksize) +{ + zvol_state_t *zv; + dmu_tx_t *tx; + int error; + + mutex_enter(&zvol_state_lock); + + zv = zvol_find_by_name(name); + if (zv == NULL) { + error = SET_ERROR(ENXIO); + goto out; + } + + if (zv->zv_flags & ZVOL_RDONLY) { + error = SET_ERROR(EROFS); + goto out; + } + + tx = dmu_tx_create(zv->zv_objset); + dmu_tx_hold_bonus(tx, ZVOL_OBJ); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + } else { + error = dmu_object_set_blocksize(zv->zv_objset, ZVOL_OBJ, + volblocksize, 0, tx); + if (error == ENOTSUP) + error = SET_ERROR(EBUSY); + dmu_tx_commit(tx); + if (error == 0) + zv->zv_volblocksize = volblocksize; + } +out: + mutex_exit(&zvol_state_lock); + + return (SET_ERROR(error)); +} + +/* + * Replay a TX_WRITE ZIL transaction that didn't get committed + * after a system failure + */ +static int +zvol_replay_write(zvol_state_t *zv, lr_write_t *lr, boolean_t byteswap) +{ + objset_t *os = zv->zv_objset; + char *data = (char *)(lr + 1); /* data follows lr_write_t */ + uint64_t off = lr->lr_offset; + uint64_t len = lr->lr_length; + dmu_tx_t *tx; + int error; + + if (byteswap) + byteswap_uint64_array(lr, sizeof (*lr)); + + tx = dmu_tx_create(os); + dmu_tx_hold_write(tx, ZVOL_OBJ, off, len); + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + } else { + dmu_write(os, ZVOL_OBJ, off, len, data, tx); + dmu_tx_commit(tx); + } + + return (SET_ERROR(error)); +} + +static int +zvol_replay_err(zvol_state_t *zv, lr_t *lr, boolean_t byteswap) +{ + return (SET_ERROR(ENOTSUP)); +} + +/* + * Callback vectors for replaying records. + * Only TX_WRITE is needed for zvol. + */ +zil_replay_func_t zvol_replay_vector[TX_MAX_TYPE] = { + (zil_replay_func_t)zvol_replay_err, /* no such transaction type */ + (zil_replay_func_t)zvol_replay_err, /* TX_CREATE */ + (zil_replay_func_t)zvol_replay_err, /* TX_MKDIR */ + (zil_replay_func_t)zvol_replay_err, /* TX_MKXATTR */ + (zil_replay_func_t)zvol_replay_err, /* TX_SYMLINK */ + (zil_replay_func_t)zvol_replay_err, /* TX_REMOVE */ + (zil_replay_func_t)zvol_replay_err, /* TX_RMDIR */ + (zil_replay_func_t)zvol_replay_err, /* TX_LINK */ + (zil_replay_func_t)zvol_replay_err, /* TX_RENAME */ + (zil_replay_func_t)zvol_replay_write, /* TX_WRITE */ + (zil_replay_func_t)zvol_replay_err, /* TX_TRUNCATE */ + (zil_replay_func_t)zvol_replay_err, /* TX_SETATTR */ + (zil_replay_func_t)zvol_replay_err, /* TX_ACL */ +}; + +/* + * zvol_log_write() handles synchronous writes using TX_WRITE ZIL transactions. + * + * We store data in the log buffers if it's small enough. + * Otherwise we will later flush the data out via dmu_sync(). + */ +ssize_t zvol_immediate_write_sz = 32768; + +static void +zvol_log_write(zvol_state_t *zv, dmu_tx_t *tx, uint64_t offset, + uint64_t size, int sync) +{ + uint32_t blocksize = zv->zv_volblocksize; + zilog_t *zilog = zv->zv_zilog; + boolean_t slogging; + ssize_t immediate_write_sz; + + if (zil_replaying(zilog, tx)) + return; + + immediate_write_sz = (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT) + ? 0 : zvol_immediate_write_sz; + slogging = spa_has_slogs(zilog->zl_spa) && + (zilog->zl_logbias == ZFS_LOGBIAS_LATENCY); + + while (size) { + itx_t *itx; + lr_write_t *lr; + ssize_t len; + itx_wr_state_t write_state; + + /* + * Unlike zfs_log_write() we can be called with + * up to DMU_MAX_ACCESS/2 (5MB) writes. + */ + if (blocksize > immediate_write_sz && !slogging && + size >= blocksize && offset % blocksize == 0) { + write_state = WR_INDIRECT; /* uses dmu_sync */ + len = blocksize; + } else if (sync) { + write_state = WR_COPIED; + len = MIN(ZIL_MAX_LOG_DATA, size); + } else { + write_state = WR_NEED_COPY; + len = MIN(ZIL_MAX_LOG_DATA, size); + } + + itx = zil_itx_create(TX_WRITE, sizeof (*lr) + + (write_state == WR_COPIED ? len : 0)); + lr = (lr_write_t *)&itx->itx_lr; + if (write_state == WR_COPIED && dmu_read(zv->zv_objset, + ZVOL_OBJ, offset, len, lr+1, DMU_READ_NO_PREFETCH) != 0) { + zil_itx_destroy(itx); + itx = zil_itx_create(TX_WRITE, sizeof (*lr)); + lr = (lr_write_t *)&itx->itx_lr; + write_state = WR_NEED_COPY; + } + + itx->itx_wr_state = write_state; + if (write_state == WR_NEED_COPY) + itx->itx_sod += len; + lr->lr_foid = ZVOL_OBJ; + lr->lr_offset = offset; + lr->lr_length = len; + lr->lr_blkoff = 0; + BP_ZERO(&lr->lr_blkptr); + + itx->itx_private = zv; + itx->itx_sync = sync; + + (void) zil_itx_assign(zilog, itx, tx); + + offset += len; + size -= len; + } +} + +static int +zvol_write(struct bio *bio) +{ + zvol_state_t *zv = bio->bi_bdev->bd_disk->private_data; + uint64_t offset = BIO_BI_SECTOR(bio) << 9; + uint64_t size = BIO_BI_SIZE(bio); + int error = 0; + dmu_tx_t *tx; + rl_t *rl; + + ASSERT(zv && zv->zv_open_count > 0); + + if (bio_is_flush(bio)) + zil_commit(zv->zv_zilog, ZVOL_OBJ); + + /* + * Some requests are just for flush and nothing else. + */ + if (size == 0) + goto out; + + rl = zfs_range_lock(&zv->zv_range_lock, offset, size, RL_WRITER); + + tx = dmu_tx_create(zv->zv_objset); + dmu_tx_hold_write(tx, ZVOL_OBJ, offset, size); + + /* This will only fail for ENOSPC */ + error = dmu_tx_assign(tx, TXG_WAIT); + if (error) { + dmu_tx_abort(tx); + zfs_range_unlock(rl); + goto out; + } + + error = dmu_write_bio(zv->zv_objset, ZVOL_OBJ, bio, tx); + if (error == 0) + zvol_log_write(zv, tx, offset, size, + !!(bio_is_fua(bio))); + + dmu_tx_commit(tx); + zfs_range_unlock(rl); + + if ((bio_is_fua(bio)) || + zv->zv_objset->os_sync == ZFS_SYNC_ALWAYS) + zil_commit(zv->zv_zilog, ZVOL_OBJ); + +out: + return (error); +} + +static int +zvol_discard(struct bio *bio) +{ + zvol_state_t *zv = bio->bi_bdev->bd_disk->private_data; + uint64_t start = BIO_BI_SECTOR(bio) << 9; + uint64_t size = BIO_BI_SIZE(bio); + uint64_t end = start + size; + int error; + rl_t *rl; + + ASSERT(zv && zv->zv_open_count > 0); + + if (end > zv->zv_volsize) + return (SET_ERROR(EIO)); + + /* + * Align the request to volume block boundaries when a secure erase is + * not required. This will prevent dnode_free_range() from zeroing out + * the unaligned parts which is slow (read-modify-write) and useless + * since we are not freeing any space by doing so. + */ + if (!bio_is_secure_erase(bio)) { + start = P2ROUNDUP(start, zv->zv_volblocksize); + end = P2ALIGN(end, zv->zv_volblocksize); + size = end - start; + } + + if (start >= end) + return (0); + + rl = zfs_range_lock(&zv->zv_range_lock, start, size, RL_WRITER); + + error = dmu_free_long_range(zv->zv_objset, ZVOL_OBJ, start, size); + + /* + * TODO: maybe we should add the operation to the log. + */ + zfs_range_unlock(rl); + + return (error); +} + +static int +zvol_read(struct bio *bio) +{ + zvol_state_t *zv = bio->bi_bdev->bd_disk->private_data; + uint64_t offset = BIO_BI_SECTOR(bio) << 9; + uint64_t len = BIO_BI_SIZE(bio); + int error; + rl_t *rl; + + ASSERT(zv && zv->zv_open_count > 0); + + if (len == 0) + return (0); + + rl = zfs_range_lock(&zv->zv_range_lock, offset, len, RL_READER); + + error = dmu_read_bio(zv->zv_objset, ZVOL_OBJ, bio); + + zfs_range_unlock(rl); + + /* convert checksum errors into IO errors */ + if (error == ECKSUM) + error = SET_ERROR(EIO); + + return (error); +} + +static MAKE_REQUEST_FN_RET +zvol_request(struct request_queue *q, struct bio *bio) +{ + zvol_state_t *zv = q->queuedata; + fstrans_cookie_t cookie = spl_fstrans_mark(); + uint64_t offset = BIO_BI_SECTOR(bio); + unsigned int sectors = bio_sectors(bio); + int rw = bio_data_dir(bio); +#ifdef HAVE_GENERIC_IO_ACCT + unsigned long start = jiffies; +#endif + int error = 0; + + if (bio_has_data(bio) && offset + sectors > + get_capacity(zv->zv_disk)) { + printk(KERN_INFO + "%s: bad access: block=%llu, count=%lu\n", + zv->zv_disk->disk_name, + (long long unsigned)offset, + (long unsigned)sectors); + error = SET_ERROR(EIO); + goto out1; + } + + generic_start_io_acct(rw, sectors, &zv->zv_disk->part0); + + if (rw == WRITE) { + if (unlikely(zv->zv_flags & ZVOL_RDONLY)) { + error = SET_ERROR(EROFS); + goto out2; + } + + if (bio_is_discard(bio) || bio_is_secure_erase(bio)) { + error = zvol_discard(bio); + goto out2; + } + + error = zvol_write(bio); + } else + error = zvol_read(bio); + +out2: + generic_end_io_acct(rw, &zv->zv_disk->part0, start); +out1: + BIO_END_IO(bio, -error); + spl_fstrans_unmark(cookie); +#ifdef HAVE_MAKE_REQUEST_FN_RET_INT + return (0); +#elif defined(HAVE_MAKE_REQUEST_FN_RET_QC) + return (BLK_QC_T_NONE); +#endif +} + +static void +zvol_get_done(zgd_t *zgd, int error) +{ + if (zgd->zgd_db) + dmu_buf_rele(zgd->zgd_db, zgd); + + zfs_range_unlock(zgd->zgd_rl); + + if (error == 0 && zgd->zgd_bp) + zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); + + kmem_free(zgd, sizeof (zgd_t)); +} + +/* + * Get data to generate a TX_WRITE intent log record. + */ +static int +zvol_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) +{ + zvol_state_t *zv = arg; + objset_t *os = zv->zv_objset; + uint64_t object = ZVOL_OBJ; + uint64_t offset = lr->lr_offset; + uint64_t size = lr->lr_length; + blkptr_t *bp = &lr->lr_blkptr; + dmu_buf_t *db; + zgd_t *zgd; + int error; + + ASSERT(zio != NULL); + ASSERT(size != 0); + + zgd = (zgd_t *)kmem_zalloc(sizeof (zgd_t), KM_SLEEP); + zgd->zgd_zilog = zv->zv_zilog; + zgd->zgd_rl = zfs_range_lock(&zv->zv_range_lock, offset, size, + RL_READER); + + /* + * Write records come in two flavors: immediate and indirect. + * For small writes it's cheaper to store the data with the + * log record (immediate); for large writes it's cheaper to + * sync the data and get a pointer to it (indirect) so that + * we don't have to write the data twice. + */ + if (buf != NULL) { /* immediate write */ + error = dmu_read(os, object, offset, size, buf, + DMU_READ_NO_PREFETCH); + } else { + size = zv->zv_volblocksize; + offset = P2ALIGN_TYPED(offset, size, uint64_t); + error = dmu_buf_hold(os, object, offset, zgd, &db, + DMU_READ_NO_PREFETCH); + if (error == 0) { + blkptr_t *obp = dmu_buf_get_blkptr(db); + if (obp) { + ASSERT(BP_IS_HOLE(bp)); + *bp = *obp; + } + + zgd->zgd_db = db; + zgd->zgd_bp = &lr->lr_blkptr; + + ASSERT(db != NULL); + ASSERT(db->db_offset == offset); + ASSERT(db->db_size == size); + + error = dmu_sync(zio, lr->lr_common.lrc_txg, + zvol_get_done, zgd); + + if (error == 0) + return (0); + } + } + + zvol_get_done(zgd, error); + + return (SET_ERROR(error)); +} + +/* + * The zvol_state_t's are inserted in increasing MINOR(dev_t) order. + */ +static void +zvol_insert(zvol_state_t *zv_insert) +{ + zvol_state_t *zv = NULL; + + ASSERT(MUTEX_HELD(&zvol_state_lock)); + ASSERT3U(MINOR(zv_insert->zv_dev) & ZVOL_MINOR_MASK, ==, 0); + for (zv = list_head(&zvol_state_list); zv != NULL; + zv = list_next(&zvol_state_list, zv)) { + if (MINOR(zv->zv_dev) > MINOR(zv_insert->zv_dev)) + break; + } + + list_insert_before(&zvol_state_list, zv, zv_insert); +} + +/* + * Simply remove the zvol from to list of zvols. + */ +static void +zvol_remove(zvol_state_t *zv_remove) +{ + ASSERT(MUTEX_HELD(&zvol_state_lock)); + list_remove(&zvol_state_list, zv_remove); +} + +static int +zvol_first_open(zvol_state_t *zv) +{ + objset_t *os; + uint64_t volsize; + int error; + uint64_t ro; + + /* lie and say we're read-only */ + error = dmu_objset_own(zv->zv_name, DMU_OST_ZVOL, 1, zvol_tag, &os); + if (error) + return (SET_ERROR(-error)); + + zv->zv_objset = os; + + error = dsl_prop_get_integer(zv->zv_name, "readonly", &ro, NULL); + if (error) + goto out_owned; + + error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize); + if (error) + goto out_owned; + + error = dmu_bonus_hold(os, ZVOL_OBJ, zvol_tag, &zv->zv_dbuf); + if (error) + goto out_owned; + + set_capacity(zv->zv_disk, volsize >> 9); + zv->zv_volsize = volsize; + zv->zv_zilog = zil_open(os, zvol_get_data); + + if (ro || dmu_objset_is_snapshot(os) || + !spa_writeable(dmu_objset_spa(os))) { + set_disk_ro(zv->zv_disk, 1); + zv->zv_flags |= ZVOL_RDONLY; + } else { + set_disk_ro(zv->zv_disk, 0); + zv->zv_flags &= ~ZVOL_RDONLY; + } + +out_owned: + if (error) { + dmu_objset_disown(os, zvol_tag); + zv->zv_objset = NULL; + } + + return (SET_ERROR(-error)); +} + +static void +zvol_last_close(zvol_state_t *zv) +{ + zil_close(zv->zv_zilog); + zv->zv_zilog = NULL; + + dmu_buf_rele(zv->zv_dbuf, zvol_tag); + zv->zv_dbuf = NULL; + + /* + * Evict cached data + */ + if (dsl_dataset_is_dirty(dmu_objset_ds(zv->zv_objset)) && + !(zv->zv_flags & ZVOL_RDONLY)) + txg_wait_synced(dmu_objset_pool(zv->zv_objset), 0); + (void) dmu_objset_evict_dbufs(zv->zv_objset); + + dmu_objset_disown(zv->zv_objset, zvol_tag); + zv->zv_objset = NULL; +} + +static int +zvol_open(struct block_device *bdev, fmode_t flag) +{ + zvol_state_t *zv; + int error = 0, drop_mutex = 0; + + /* + * If the caller is already holding the mutex do not take it + * again, this will happen as part of zvol_create_minor_impl(). + * Once add_disk() is called the device is live and the kernel + * will attempt to open it to read the partition information. + */ + if (!mutex_owned(&zvol_state_lock)) { + mutex_enter(&zvol_state_lock); + drop_mutex = 1; + } + + /* + * Obtain a copy of private_data under the lock to make sure + * that either the result of zvol_freeg() setting + * bdev->bd_disk->private_data to NULL is observed, or zvol_free() + * is not called on this zv because of the positive zv_open_count. + */ + zv = bdev->bd_disk->private_data; + if (zv == NULL) { + error = -ENXIO; + goto out_mutex; + } + + if (zv->zv_open_count == 0) { + error = zvol_first_open(zv); + if (error) + goto out_mutex; + } + + if ((flag & FMODE_WRITE) && (zv->zv_flags & ZVOL_RDONLY)) { + error = -EROFS; + goto out_open_count; + } + + zv->zv_open_count++; + + check_disk_change(bdev); + +out_open_count: + if (zv->zv_open_count == 0) + zvol_last_close(zv); + +out_mutex: + if (drop_mutex) + mutex_exit(&zvol_state_lock); + + return (SET_ERROR(error)); +} + +#ifdef HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID +static void +#else +static int +#endif +zvol_release(struct gendisk *disk, fmode_t mode) +{ + zvol_state_t *zv = disk->private_data; + int drop_mutex = 0; + + ASSERT(zv && zv->zv_open_count > 0); + + if (!mutex_owned(&zvol_state_lock)) { + mutex_enter(&zvol_state_lock); + drop_mutex = 1; + } + + zv->zv_open_count--; + if (zv->zv_open_count == 0) + zvol_last_close(zv); + + if (drop_mutex) + mutex_exit(&zvol_state_lock); + +#ifndef HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID + return (0); +#endif +} + +static int +zvol_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) +{ + zvol_state_t *zv = bdev->bd_disk->private_data; + int error = 0; + + ASSERT(zv && zv->zv_open_count > 0); + + switch (cmd) { + case BLKFLSBUF: + zil_commit(zv->zv_zilog, ZVOL_OBJ); + break; + case BLKZNAME: + error = copy_to_user((void *)arg, zv->zv_name, MAXNAMELEN); + break; + + default: + error = -ENOTTY; + break; + + } + + return (SET_ERROR(error)); +} + +#ifdef CONFIG_COMPAT +static int +zvol_compat_ioctl(struct block_device *bdev, fmode_t mode, + unsigned cmd, unsigned long arg) +{ + return (zvol_ioctl(bdev, mode, cmd, arg)); +} +#else +#define zvol_compat_ioctl NULL +#endif + +static int zvol_media_changed(struct gendisk *disk) +{ + zvol_state_t *zv = disk->private_data; + + ASSERT(zv && zv->zv_open_count > 0); + + return (zv->zv_changed); +} + +static int zvol_revalidate_disk(struct gendisk *disk) +{ + zvol_state_t *zv = disk->private_data; + + ASSERT(zv && zv->zv_open_count > 0); + + zv->zv_changed = 0; + set_capacity(zv->zv_disk, zv->zv_volsize >> 9); + + return (0); +} + +/* + * Provide a simple virtual geometry for legacy compatibility. For devices + * smaller than 1 MiB a small head and sector count is used to allow very + * tiny devices. For devices over 1 Mib a standard head and sector count + * is used to keep the cylinders count reasonable. + */ +static int +zvol_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + zvol_state_t *zv = bdev->bd_disk->private_data; + sector_t sectors; + + ASSERT(zv && zv->zv_open_count > 0); + + sectors = get_capacity(zv->zv_disk); + + if (sectors > 2048) { + geo->heads = 16; + geo->sectors = 63; + } else { + geo->heads = 2; + geo->sectors = 4; + } + + geo->start = 0; + geo->cylinders = sectors / (geo->heads * geo->sectors); + + return (0); +} + +static struct kobject * +zvol_probe(dev_t dev, int *part, void *arg) +{ + zvol_state_t *zv; + struct kobject *kobj; + + mutex_enter(&zvol_state_lock); + zv = zvol_find_by_dev(dev); + kobj = zv ? get_disk(zv->zv_disk) : NULL; + mutex_exit(&zvol_state_lock); + + return (kobj); +} + +#ifdef HAVE_BDEV_BLOCK_DEVICE_OPERATIONS +static struct block_device_operations zvol_ops = { + .open = zvol_open, + .release = zvol_release, + .ioctl = zvol_ioctl, + .compat_ioctl = zvol_compat_ioctl, + .media_changed = zvol_media_changed, + .revalidate_disk = zvol_revalidate_disk, + .getgeo = zvol_getgeo, + .owner = THIS_MODULE, +}; + +#else /* HAVE_BDEV_BLOCK_DEVICE_OPERATIONS */ + +static int +zvol_open_by_inode(struct inode *inode, struct file *file) +{ + return (zvol_open(inode->i_bdev, file->f_mode)); +} + +static int +zvol_release_by_inode(struct inode *inode, struct file *file) +{ + return (zvol_release(inode->i_bdev->bd_disk, file->f_mode)); +} + +static int +zvol_ioctl_by_inode(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + if (file == NULL || inode == NULL) + return (SET_ERROR(-EINVAL)); + + return (zvol_ioctl(inode->i_bdev, file->f_mode, cmd, arg)); +} + +#ifdef CONFIG_COMPAT +static long +zvol_compat_ioctl_by_inode(struct file *file, + unsigned int cmd, unsigned long arg) +{ + if (file == NULL) + return (SET_ERROR(-EINVAL)); + + return (zvol_compat_ioctl(file->f_dentry->d_inode->i_bdev, + file->f_mode, cmd, arg)); +} +#else +#define zvol_compat_ioctl_by_inode NULL +#endif + +static struct block_device_operations zvol_ops = { + .open = zvol_open_by_inode, + .release = zvol_release_by_inode, + .ioctl = zvol_ioctl_by_inode, + .compat_ioctl = zvol_compat_ioctl_by_inode, + .media_changed = zvol_media_changed, + .revalidate_disk = zvol_revalidate_disk, + .getgeo = zvol_getgeo, + .owner = THIS_MODULE, +}; +#endif /* HAVE_BDEV_BLOCK_DEVICE_OPERATIONS */ + +/* + * Allocate memory for a new zvol_state_t and setup the required + * request queue and generic disk structures for the block device. + */ +static zvol_state_t * +zvol_alloc(dev_t dev, const char *name) +{ + zvol_state_t *zv; + + zv = kmem_zalloc(sizeof (zvol_state_t), KM_SLEEP); + + spin_lock_init(&zv->zv_lock); + list_link_init(&zv->zv_next); + + zv->zv_queue = blk_alloc_queue(GFP_ATOMIC); + if (zv->zv_queue == NULL) + goto out_kmem; + + blk_queue_make_request(zv->zv_queue, zvol_request); + blk_queue_set_write_cache(zv->zv_queue, B_TRUE, B_TRUE); + + zv->zv_disk = alloc_disk(ZVOL_MINORS); + if (zv->zv_disk == NULL) + goto out_queue; + + zv->zv_queue->queuedata = zv; + zv->zv_dev = dev; + zv->zv_open_count = 0; + strlcpy(zv->zv_name, name, MAXNAMELEN); + + zfs_rlock_init(&zv->zv_range_lock); + + zv->zv_disk->major = zvol_major; + zv->zv_disk->first_minor = (dev & MINORMASK); + zv->zv_disk->fops = &zvol_ops; + zv->zv_disk->private_data = zv; + zv->zv_disk->queue = zv->zv_queue; + snprintf(zv->zv_disk->disk_name, DISK_NAME_LEN, "%s%d", + ZVOL_DEV_NAME, (dev & MINORMASK)); + + return (zv); + +out_queue: + blk_cleanup_queue(zv->zv_queue); +out_kmem: + kmem_free(zv, sizeof (zvol_state_t)); + + return (NULL); +} + +/* + * Cleanup then free a zvol_state_t which was created by zvol_alloc(). + */ +static void +zvol_free(zvol_state_t *zv) +{ + ASSERT(MUTEX_HELD(&zvol_state_lock)); + ASSERT(zv->zv_open_count == 0); + + zfs_rlock_destroy(&zv->zv_range_lock); + + zv->zv_disk->private_data = NULL; + + del_gendisk(zv->zv_disk); + blk_cleanup_queue(zv->zv_queue); + put_disk(zv->zv_disk); + + kmem_free(zv, sizeof (zvol_state_t)); +} + +/* + * Create a block device minor node and setup the linkage between it + * and the specified volume. Once this function returns the block + * device is live and ready for use. + */ +static int +zvol_create_minor_impl(const char *name) +{ + zvol_state_t *zv; + objset_t *os; + dmu_object_info_t *doi; + uint64_t volsize; + uint64_t len; + unsigned minor = 0; + int error = 0; + + mutex_enter(&zvol_state_lock); + + zv = zvol_find_by_name(name); + if (zv) { + error = SET_ERROR(EEXIST); + goto out; + } + + doi = kmem_alloc(sizeof (dmu_object_info_t), KM_SLEEP); + + error = dmu_objset_own(name, DMU_OST_ZVOL, B_TRUE, zvol_tag, &os); + if (error) + goto out_doi; + + error = dmu_object_info(os, ZVOL_OBJ, doi); + if (error) + goto out_dmu_objset_disown; + + error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize); + if (error) + goto out_dmu_objset_disown; + + error = zvol_find_minor(&minor); + if (error) + goto out_dmu_objset_disown; + + zv = zvol_alloc(MKDEV(zvol_major, minor), name); + if (zv == NULL) { + error = SET_ERROR(EAGAIN); + goto out_dmu_objset_disown; + } + + if (dmu_objset_is_snapshot(os)) + zv->zv_flags |= ZVOL_RDONLY; + + zv->zv_volblocksize = doi->doi_data_block_size; + zv->zv_volsize = volsize; + zv->zv_objset = os; + + set_capacity(zv->zv_disk, zv->zv_volsize >> 9); + + blk_queue_max_hw_sectors(zv->zv_queue, (DMU_MAX_ACCESS / 4) >> 9); + blk_queue_max_segments(zv->zv_queue, UINT16_MAX); + blk_queue_max_segment_size(zv->zv_queue, UINT_MAX); + blk_queue_physical_block_size(zv->zv_queue, zv->zv_volblocksize); + blk_queue_io_opt(zv->zv_queue, zv->zv_volblocksize); + blk_queue_max_discard_sectors(zv->zv_queue, + (zvol_max_discard_blocks * zv->zv_volblocksize) >> 9); + blk_queue_discard_granularity(zv->zv_queue, zv->zv_volblocksize); + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, zv->zv_queue); +#ifdef QUEUE_FLAG_NONROT + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, zv->zv_queue); +#endif +#ifdef QUEUE_FLAG_ADD_RANDOM + queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, zv->zv_queue); +#endif + + if (spa_writeable(dmu_objset_spa(os))) { + if (zil_replay_disable) + zil_destroy(dmu_objset_zil(os), B_FALSE); + else + zil_replay(os, zv, zvol_replay_vector); + } + + /* + * When udev detects the addition of the device it will immediately + * invoke blkid(8) to determine the type of content on the device. + * Prefetching the blocks commonly scanned by blkid(8) will speed + * up this process. + */ + len = MIN(MAX(zvol_prefetch_bytes, 0), SPA_MAXBLOCKSIZE); + if (len > 0) { + dmu_prefetch(os, ZVOL_OBJ, 0, len); + dmu_prefetch(os, ZVOL_OBJ, volsize - len, len); + } + + zv->zv_objset = NULL; +out_dmu_objset_disown: + dmu_objset_disown(os, zvol_tag); +out_doi: + kmem_free(doi, sizeof (dmu_object_info_t)); +out: + + if (error == 0) { + zvol_insert(zv); + /* + * Drop the lock to prevent deadlock with sys_open() -> + * zvol_open(), which first takes bd_disk->bd_mutex and then + * takes zvol_state_lock, whereas this code path first takes + * zvol_state_lock, and then takes bd_disk->bd_mutex. + */ + mutex_exit(&zvol_state_lock); + add_disk(zv->zv_disk); + } else { + mutex_exit(&zvol_state_lock); + } + + return (SET_ERROR(error)); +} + +/* + * Rename a block device minor mode for the specified volume. + */ +static void +zvol_rename_minor(zvol_state_t *zv, const char *newname) +{ + int readonly = get_disk_ro(zv->zv_disk); + + ASSERT(MUTEX_HELD(&zvol_state_lock)); + + strlcpy(zv->zv_name, newname, sizeof (zv->zv_name)); + + /* + * The block device's read-only state is briefly changed causing + * a KOBJ_CHANGE uevent to be issued. This ensures udev detects + * the name change and fixes the symlinks. This does not change + * ZVOL_RDONLY in zv->zv_flags so the actual read-only state never + * changes. This would normally be done using kobject_uevent() but + * that is a GPL-only symbol which is why we need this workaround. + */ + set_disk_ro(zv->zv_disk, !readonly); + set_disk_ro(zv->zv_disk, readonly); +} + + +/* + * Mask errors to continue dmu_objset_find() traversal + */ +static int +zvol_create_snap_minor_cb(const char *dsname, void *arg) +{ + const char *name = (const char *)arg; + + ASSERT0(MUTEX_HELD(&spa_namespace_lock)); + + /* skip the designated dataset */ + if (name && strcmp(dsname, name) == 0) + return (0); + + /* at this point, the dsname should name a snapshot */ + if (strchr(dsname, '@') == 0) { + dprintf("zvol_create_snap_minor_cb(): " + "%s is not a shapshot name\n", dsname); + } else { + (void) zvol_create_minor_impl(dsname); + } + + return (0); +} + +/* + * Mask errors to continue dmu_objset_find() traversal + */ +static int +zvol_create_minors_cb(const char *dsname, void *arg) +{ + uint64_t snapdev; + int error; + + ASSERT0(MUTEX_HELD(&spa_namespace_lock)); + + error = dsl_prop_get_integer(dsname, "snapdev", &snapdev, NULL); + if (error) + return (0); + + /* + * Given the name and the 'snapdev' property, create device minor nodes + * with the linkages to zvols/snapshots as needed. + * If the name represents a zvol, create a minor node for the zvol, then + * check if its snapshots are 'visible', and if so, iterate over the + * snapshots and create device minor nodes for those. + */ + if (strchr(dsname, '@') == 0) { + /* create minor for the 'dsname' explicitly */ + error = zvol_create_minor_impl(dsname); + if ((error == 0 || error == EEXIST) && + (snapdev == ZFS_SNAPDEV_VISIBLE)) { + fstrans_cookie_t cookie = spl_fstrans_mark(); + /* + * traverse snapshots only, do not traverse children, + * and skip the 'dsname' + */ + error = dmu_objset_find((char *)dsname, + zvol_create_snap_minor_cb, (void *)dsname, + DS_FIND_SNAPSHOTS); + spl_fstrans_unmark(cookie); + } + } else { + dprintf("zvol_create_minors_cb(): %s is not a zvol name\n", + dsname); + } + + return (0); +} + +/* + * Create minors for the specified dataset, including children and snapshots. + * Pay attention to the 'snapdev' property and iterate over the snapshots + * only if they are 'visible'. This approach allows one to assure that the + * snapshot metadata is read from disk only if it is needed. + * + * The name can represent a dataset to be recursively scanned for zvols and + * their snapshots, or a single zvol snapshot. If the name represents a + * dataset, the scan is performed in two nested stages: + * - scan the dataset for zvols, and + * - for each zvol, create a minor node, then check if the zvol's snapshots + * are 'visible', and only then iterate over the snapshots if needed + * + * If the name represents a snapshot, a check is perfromed if the snapshot is + * 'visible' (which also verifies that the parent is a zvol), and if so, + * a minor node for that snapshot is created. + */ +static int +zvol_create_minors_impl(const char *name) +{ + int error = 0; + fstrans_cookie_t cookie; + char *atp, *parent; + + if (zvol_inhibit_dev) + return (0); + + parent = kmem_alloc(MAXPATHLEN, KM_SLEEP); + (void) strlcpy(parent, name, MAXPATHLEN); + + if ((atp = strrchr(parent, '@')) != NULL) { + uint64_t snapdev; + + *atp = '\0'; + error = dsl_prop_get_integer(parent, "snapdev", + &snapdev, NULL); + + if (error == 0 && snapdev == ZFS_SNAPDEV_VISIBLE) + error = zvol_create_minor_impl(name); + } else { + cookie = spl_fstrans_mark(); + error = dmu_objset_find(parent, zvol_create_minors_cb, + NULL, DS_FIND_CHILDREN); + spl_fstrans_unmark(cookie); + } + + kmem_free(parent, MAXPATHLEN); + + return (SET_ERROR(error)); +} + +/* + * Remove minors for specified dataset including children and snapshots. + */ +static void +zvol_remove_minors_impl(const char *name) +{ + zvol_state_t *zv, *zv_next; + int namelen = ((name) ? strlen(name) : 0); + + if (zvol_inhibit_dev) + return; + + mutex_enter(&zvol_state_lock); + + for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) { + zv_next = list_next(&zvol_state_list, zv); + + if (name == NULL || strcmp(zv->zv_name, name) == 0 || + (strncmp(zv->zv_name, name, namelen) == 0 && + (zv->zv_name[namelen] == '/' || + zv->zv_name[namelen] == '@'))) { + + /* If in use, leave alone */ + if (zv->zv_open_count > 0) + continue; + + zvol_remove(zv); + zvol_free(zv); + } + } + + mutex_exit(&zvol_state_lock); +} + +/* Remove minor for this specific snapshot only */ +static void +zvol_remove_minor_impl(const char *name) +{ + zvol_state_t *zv, *zv_next; + + if (zvol_inhibit_dev) + return; + + if (strchr(name, '@') == NULL) + return; + + mutex_enter(&zvol_state_lock); + + for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) { + zv_next = list_next(&zvol_state_list, zv); + + if (strcmp(zv->zv_name, name) == 0) { + /* If in use, leave alone */ + if (zv->zv_open_count > 0) + continue; + zvol_remove(zv); + zvol_free(zv); + break; + } + } + + mutex_exit(&zvol_state_lock); +} + +/* + * Rename minors for specified dataset including children and snapshots. + */ +static void +zvol_rename_minors_impl(const char *oldname, const char *newname) +{ + zvol_state_t *zv, *zv_next; + int oldnamelen, newnamelen; + char *name; + + if (zvol_inhibit_dev) + return; + + oldnamelen = strlen(oldname); + newnamelen = strlen(newname); + name = kmem_alloc(MAXNAMELEN, KM_SLEEP); + + mutex_enter(&zvol_state_lock); + + for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) { + zv_next = list_next(&zvol_state_list, zv); + + /* If in use, leave alone */ + if (zv->zv_open_count > 0) + continue; + + if (strcmp(zv->zv_name, oldname) == 0) { + zvol_rename_minor(zv, newname); + } else if (strncmp(zv->zv_name, oldname, oldnamelen) == 0 && + (zv->zv_name[oldnamelen] == '/' || + zv->zv_name[oldnamelen] == '@')) { + snprintf(name, MAXNAMELEN, "%s%c%s", newname, + zv->zv_name[oldnamelen], + zv->zv_name + oldnamelen + 1); + zvol_rename_minor(zv, name); + } + } + + mutex_exit(&zvol_state_lock); + + kmem_free(name, MAXNAMELEN); +} + +typedef struct zvol_snapdev_cb_arg { + uint64_t snapdev; +} zvol_snapdev_cb_arg_t; + +static int +zvol_set_snapdev_cb(const char *dsname, void *param) { + zvol_snapdev_cb_arg_t *arg = param; + + if (strchr(dsname, '@') == NULL) + return (0); + + switch (arg->snapdev) { + case ZFS_SNAPDEV_VISIBLE: + (void) zvol_create_minor_impl(dsname); + break; + case ZFS_SNAPDEV_HIDDEN: + (void) zvol_remove_minor_impl(dsname); + break; + } + + return (0); +} + +static void +zvol_set_snapdev_impl(char *name, uint64_t snapdev) +{ + zvol_snapdev_cb_arg_t arg = {snapdev}; + fstrans_cookie_t cookie = spl_fstrans_mark(); + /* + * The zvol_set_snapdev_sync() sets snapdev appropriately + * in the dataset hierarchy. Here, we only scan snapshots. + */ + dmu_objset_find(name, zvol_set_snapdev_cb, &arg, DS_FIND_SNAPSHOTS); + spl_fstrans_unmark(cookie); +} + +static zvol_task_t * +zvol_task_alloc(zvol_async_op_t op, const char *name1, const char *name2, + uint64_t snapdev) +{ + zvol_task_t *task; + char *delim; + + /* Never allow tasks on hidden names. */ + if (name1[0] == '$') + return (NULL); + + task = kmem_zalloc(sizeof (zvol_task_t), KM_SLEEP); + task->op = op; + task->snapdev = snapdev; + delim = strchr(name1, '/'); + strlcpy(task->pool, name1, delim ? (delim - name1 + 1) : MAXNAMELEN); + + strlcpy(task->name1, name1, MAXNAMELEN); + if (name2 != NULL) + strlcpy(task->name2, name2, MAXNAMELEN); + + return (task); +} + +static void +zvol_task_free(zvol_task_t *task) +{ + kmem_free(task, sizeof (zvol_task_t)); +} + +/* + * The worker thread function performed asynchronously. + */ +static void +zvol_task_cb(void *param) +{ + zvol_task_t *task = (zvol_task_t *)param; + + switch (task->op) { + case ZVOL_ASYNC_CREATE_MINORS: + (void) zvol_create_minors_impl(task->name1); + break; + case ZVOL_ASYNC_REMOVE_MINORS: + zvol_remove_minors_impl(task->name1); + break; + case ZVOL_ASYNC_RENAME_MINORS: + zvol_rename_minors_impl(task->name1, task->name2); + break; + case ZVOL_ASYNC_SET_SNAPDEV: + zvol_set_snapdev_impl(task->name1, task->snapdev); + break; + default: + VERIFY(0); + break; + } + + zvol_task_free(task); +} + +typedef struct zvol_set_snapdev_arg { + const char *zsda_name; + uint64_t zsda_value; + zprop_source_t zsda_source; + dmu_tx_t *zsda_tx; +} zvol_set_snapdev_arg_t; + +/* + * Sanity check the dataset for safe use by the sync task. No additional + * conditions are imposed. + */ +static int +zvol_set_snapdev_check(void *arg, dmu_tx_t *tx) +{ + zvol_set_snapdev_arg_t *zsda = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dir_t *dd; + int error; + + error = dsl_dir_hold(dp, zsda->zsda_name, FTAG, &dd, NULL); + if (error != 0) + return (error); + + dsl_dir_rele(dd, FTAG); + + return (error); +} + +static int +zvol_set_snapdev_sync_cb(dsl_pool_t *dp, dsl_dataset_t *ds, void *arg) +{ + zvol_set_snapdev_arg_t *zsda = arg; + char dsname[MAXNAMELEN]; + zvol_task_t *task; + + dsl_dataset_name(ds, dsname); + dsl_prop_set_sync_impl(ds, zfs_prop_to_name(ZFS_PROP_SNAPDEV), + zsda->zsda_source, sizeof (zsda->zsda_value), 1, + &zsda->zsda_value, zsda->zsda_tx); + + task = zvol_task_alloc(ZVOL_ASYNC_SET_SNAPDEV, dsname, + NULL, zsda->zsda_value); + if (task == NULL) + return (0); + + (void) taskq_dispatch(dp->dp_spa->spa_zvol_taskq, zvol_task_cb, + task, TQ_SLEEP); + return (0); +} + +/* + * Traverse all child snapshot datasets and apply snapdev appropriately. + */ +static void +zvol_set_snapdev_sync(void *arg, dmu_tx_t *tx) +{ + zvol_set_snapdev_arg_t *zsda = arg; + dsl_pool_t *dp = dmu_tx_pool(tx); + dsl_dir_t *dd; + + VERIFY0(dsl_dir_hold(dp, zsda->zsda_name, FTAG, &dd, NULL)); + zsda->zsda_tx = tx; + + dmu_objset_find_dp(dp, dd->dd_object, zvol_set_snapdev_sync_cb, + zsda, DS_FIND_CHILDREN); + + dsl_dir_rele(dd, FTAG); +} + +int +zvol_set_snapdev(const char *ddname, zprop_source_t source, uint64_t snapdev) +{ + zvol_set_snapdev_arg_t zsda; + + zsda.zsda_name = ddname; + zsda.zsda_source = source; + zsda.zsda_value = snapdev; + + return (dsl_sync_task(ddname, zvol_set_snapdev_check, + zvol_set_snapdev_sync, &zsda, 0, ZFS_SPACE_CHECK_NONE)); +} + +void +zvol_create_minors(spa_t *spa, const char *name, boolean_t async) +{ + zvol_task_t *task; + taskqid_t id; + + task = zvol_task_alloc(ZVOL_ASYNC_CREATE_MINORS, name, NULL, ~0ULL); + if (task == NULL) + return; + + id = taskq_dispatch(spa->spa_zvol_taskq, zvol_task_cb, task, TQ_SLEEP); + if ((async == B_FALSE) && (id != 0)) + taskq_wait_id(spa->spa_zvol_taskq, id); +} + +void +zvol_remove_minors(spa_t *spa, const char *name, boolean_t async) +{ + zvol_task_t *task; + taskqid_t id; + + task = zvol_task_alloc(ZVOL_ASYNC_REMOVE_MINORS, name, NULL, ~0ULL); + if (task == NULL) + return; + + id = taskq_dispatch(spa->spa_zvol_taskq, zvol_task_cb, task, TQ_SLEEP); + if ((async == B_FALSE) && (id != 0)) + taskq_wait_id(spa->spa_zvol_taskq, id); +} + +void +zvol_rename_minors(spa_t *spa, const char *name1, const char *name2, + boolean_t async) +{ + zvol_task_t *task; + taskqid_t id; + + task = zvol_task_alloc(ZVOL_ASYNC_RENAME_MINORS, name1, name2, ~0ULL); + if (task == NULL) + return; + + id = taskq_dispatch(spa->spa_zvol_taskq, zvol_task_cb, task, TQ_SLEEP); + if ((async == B_FALSE) && (id != 0)) + taskq_wait_id(spa->spa_zvol_taskq, id); +} + +int +zvol_init(void) +{ + int error; + + list_create(&zvol_state_list, sizeof (zvol_state_t), + offsetof(zvol_state_t, zv_next)); + mutex_init(&zvol_state_lock, NULL, MUTEX_DEFAULT, NULL); + + error = register_blkdev(zvol_major, ZVOL_DRIVER); + if (error) { + printk(KERN_INFO "ZFS: register_blkdev() failed %d\n", error); + goto out; + } + + blk_register_region(MKDEV(zvol_major, 0), 1UL << MINORBITS, + THIS_MODULE, zvol_probe, NULL, NULL); + + return (0); + +out: + mutex_destroy(&zvol_state_lock); + list_destroy(&zvol_state_list); + + return (SET_ERROR(error)); +} + +void +zvol_fini(void) +{ + zvol_remove_minors_impl(NULL); + + blk_unregister_region(MKDEV(zvol_major, 0), 1UL << MINORBITS); + unregister_blkdev(zvol_major, ZVOL_DRIVER); + + list_destroy(&zvol_state_list); + mutex_destroy(&zvol_state_lock); +} + +module_param(zvol_inhibit_dev, uint, 0644); +MODULE_PARM_DESC(zvol_inhibit_dev, "Do not create zvol device nodes"); + +module_param(zvol_major, uint, 0444); +MODULE_PARM_DESC(zvol_major, "Major number for zvol device"); + +module_param(zvol_max_discard_blocks, ulong, 0444); +MODULE_PARM_DESC(zvol_max_discard_blocks, "Max number of blocks to discard"); + +module_param(zvol_prefetch_bytes, uint, 0644); +MODULE_PARM_DESC(zvol_prefetch_bytes, "Prefetch N bytes at zvol start+end"); diff --git a/zfs/module/zpios/Makefile.in b/zfs/module/zpios/Makefile.in new file mode 100644 index 000000000000..10a101da4dc0 --- /dev/null +++ b/zfs/module/zpios/Makefile.in @@ -0,0 +1,10 @@ +src = @abs_top_srcdir@/module/zpios +obj = @abs_builddir@ + +MODULE := zpios + +EXTRA_CFLAGS = $(ZFS_MODULE_CFLAGS) @KERNELCPPFLAGS@ + +obj-$(CONFIG_ZFS) := $(MODULE).o + +$(MODULE)-objs += pios.o diff --git a/zfs/module/zpios/pios.c b/zfs/module/zpios/pios.c new file mode 100644 index 000000000000..e3a85c1686e6 --- /dev/null +++ b/zfs/module/zpios/pios.c @@ -0,0 +1,1325 @@ +/* + * ZPIOS is a heavily modified version of the original PIOS test code. + * It is designed to have the test code running in the Linux kernel + * against ZFS while still being flexibly controled from user space. + * + * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf . + * LLNL-CODE-403049 + * + * Original PIOS Test Code + * Copyright (C) 2004 Cluster File Systems, Inc. + * Written by Peter Braam + * Atul Vidwansa + * Milind Dumbare + * + * This file is part of ZFS on Linux. + * For details, see . + * + * ZPIOS is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * ZPIOS is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with ZPIOS. If not, see . + */ + +#include +#include +#include +#include +#include +#include "zpios-internal.h" + + +static char *zpios_tag = "zpios_tag"; + +static int +zpios_upcall(char *path, char *phase, run_args_t *run_args, int rc) +{ + /* + * This is stack heavy but it should be OK since we are only + * making the upcall between tests when the stack is shallow. + */ + char id[16], chunk_size[16], region_size[16], thread_count[16]; + char region_count[16], offset[16], region_noise[16], chunk_noise[16]; + char thread_delay[16], flags[16], result[8]; + char *argv[16], *envp[4]; + + if ((path == NULL) || (strlen(path) == 0)) + return (-ENOENT); + + snprintf(id, 15, "%d", run_args->id); + snprintf(chunk_size, 15, "%lu", (long unsigned)run_args->chunk_size); + snprintf(region_size, 15, "%lu", (long unsigned) run_args->region_size); + snprintf(thread_count, 15, "%u", run_args->thread_count); + snprintf(region_count, 15, "%u", run_args->region_count); + snprintf(offset, 15, "%lu", (long unsigned)run_args->offset); + snprintf(region_noise, 15, "%u", run_args->region_noise); + snprintf(chunk_noise, 15, "%u", run_args->chunk_noise); + snprintf(thread_delay, 15, "%u", run_args->thread_delay); + snprintf(flags, 15, "0x%x", run_args->flags); + snprintf(result, 7, "%d", rc); + + /* Passing 15 args to registered pre/post upcall */ + argv[0] = path; + argv[1] = phase; + argv[2] = strlen(run_args->log) ? run_args->log : ""; + argv[3] = id; + argv[4] = run_args->pool; + argv[5] = chunk_size; + argv[6] = region_size; + argv[7] = thread_count; + argv[8] = region_count; + argv[9] = offset; + argv[10] = region_noise; + argv[11] = chunk_noise; + argv[12] = thread_delay; + argv[13] = flags; + argv[14] = result; + argv[15] = NULL; + + /* Passing environment for user space upcall */ + envp[0] = "HOME=/"; + envp[1] = "TERM=linux"; + envp[2] = "PATH=/sbin:/usr/sbin:/bin:/usr/bin"; + envp[3] = NULL; + + return (call_usermodehelper(path, argv, envp, UMH_WAIT_PROC)); +} + +static int +zpios_print(struct file *file, const char *format, ...) +{ + zpios_info_t *info = (zpios_info_t *)file->private_data; + va_list adx; + int rc; + + ASSERT(info); + ASSERT(info->info_buffer); + + va_start(adx, format); + spin_lock(&info->info_lock); + + /* Don't allow the kernel to start a write in the red zone */ + if ((int)(info->info_head - info->info_buffer) > + (info->info_size - ZPIOS_INFO_BUFFER_REDZONE)) { + rc = -EOVERFLOW; + } else { + rc = vsprintf(info->info_head, format, adx); + if (rc >= 0) + info->info_head += rc; + } + + spin_unlock(&info->info_lock); + va_end(adx); + + return (rc); +} + +static uint64_t +zpios_dmu_object_create(run_args_t *run_args, objset_t *os) +{ + struct dmu_tx *tx; + uint64_t obj = 0ULL; + int rc; + + tx = dmu_tx_create(os); + dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, OBJ_SIZE); + rc = dmu_tx_assign(tx, TXG_WAIT); + if (rc) { + zpios_print(run_args->file, + "dmu_tx_assign() failed: %d\n", rc); + dmu_tx_abort(tx); + return (obj); + } + + obj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, DMU_OT_NONE, 0, tx); + rc = dmu_object_set_blocksize(os, obj, 128ULL << 10, 0, tx); + if (rc) { + zpios_print(run_args->file, + "dmu_object_set_blocksize() failed: %d\n", rc); + dmu_tx_abort(tx); + return (obj); + } + + dmu_tx_commit(tx); + + return (obj); +} + +static int +zpios_dmu_object_free(run_args_t *run_args, objset_t *os, uint64_t obj) +{ + struct dmu_tx *tx; + int rc; + + tx = dmu_tx_create(os); + dmu_tx_hold_free(tx, obj, 0, DMU_OBJECT_END); + rc = dmu_tx_assign(tx, TXG_WAIT); + if (rc) { + zpios_print(run_args->file, + "dmu_tx_assign() failed: %d\n", rc); + dmu_tx_abort(tx); + return (rc); + } + + rc = dmu_object_free(os, obj, tx); + if (rc) { + zpios_print(run_args->file, + "dmu_object_free() failed: %d\n", rc); + dmu_tx_abort(tx); + return (rc); + } + + dmu_tx_commit(tx); + + return (0); +} + +static int +zpios_dmu_setup(run_args_t *run_args) +{ + zpios_time_t *t = &(run_args->stats.cr_time); + objset_t *os; + char name[32]; + uint64_t obj = 0ULL; + int i, rc = 0, rc2; + + (void) zpios_upcall(run_args->pre, PHASE_PRE_CREATE, run_args, 0); + t->start = zpios_timespec_now(); + + (void) snprintf(name, 32, "%s/id_%d", run_args->pool, run_args->id); + rc = dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL); + if (rc) { + zpios_print(run_args->file, "Error dmu_objset_create(%s, ...) " + "failed: %d\n", name, rc); + goto out; + } + + rc = dmu_objset_own(name, DMU_OST_OTHER, 0, zpios_tag, &os); + if (rc) { + zpios_print(run_args->file, "Error dmu_objset_own(%s, ...) " + "failed: %d\n", name, rc); + goto out_destroy; + } + + if (!(run_args->flags & DMU_FPP)) { + obj = zpios_dmu_object_create(run_args, os); + if (obj == 0) { + rc = -EBADF; + zpios_print(run_args->file, "Error zpios_dmu_" + "object_create() failed, %d\n", rc); + goto out_destroy; + } + } + + for (i = 0; i < run_args->region_count; i++) { + zpios_region_t *region; + + region = &run_args->regions[i]; + mutex_init(®ion->lock, NULL, MUTEX_DEFAULT, NULL); + + if (run_args->flags & DMU_FPP) { + /* File per process */ + region->obj.os = os; + region->obj.obj = zpios_dmu_object_create(run_args, os); + ASSERT(region->obj.obj > 0); /* XXX - Handle this */ + region->wr_offset = run_args->offset; + region->rd_offset = run_args->offset; + region->init_offset = run_args->offset; + region->max_offset = run_args->offset + + run_args->region_size; + } else { + /* Single shared file */ + region->obj.os = os; + region->obj.obj = obj; + region->wr_offset = run_args->offset * i; + region->rd_offset = run_args->offset * i; + region->init_offset = run_args->offset * i; + region->max_offset = run_args->offset * + i + run_args->region_size; + } + } + + run_args->os = os; +out_destroy: + if (rc) { + rc2 = dsl_destroy_head(name); + if (rc2) + zpios_print(run_args->file, "Error dsl_destroy_head" + "(%s, ...) failed: %d\n", name, rc2); + } +out: + t->stop = zpios_timespec_now(); + t->delta = zpios_timespec_sub(t->stop, t->start); + (void) zpios_upcall(run_args->post, PHASE_POST_CREATE, run_args, rc); + + return (rc); +} + +static int +zpios_setup_run(run_args_t **run_args, zpios_cmd_t *kcmd, struct file *file) +{ + run_args_t *ra; + int rc, size; + + size = sizeof (*ra) + kcmd->cmd_region_count * sizeof (zpios_region_t); + + ra = vmem_zalloc(size, KM_SLEEP); + if (ra == NULL) { + zpios_print(file, "Unable to vmem_zalloc() %d bytes " + "for regions\n", size); + return (-ENOMEM); + } + + *run_args = ra; + strncpy(ra->pool, kcmd->cmd_pool, ZPIOS_NAME_SIZE - 1); + strncpy(ra->pre, kcmd->cmd_pre, ZPIOS_PATH_SIZE - 1); + strncpy(ra->post, kcmd->cmd_post, ZPIOS_PATH_SIZE - 1); + strncpy(ra->log, kcmd->cmd_log, ZPIOS_PATH_SIZE - 1); + ra->id = kcmd->cmd_id; + ra->chunk_size = kcmd->cmd_chunk_size; + ra->thread_count = kcmd->cmd_thread_count; + ra->region_count = kcmd->cmd_region_count; + ra->region_size = kcmd->cmd_region_size; + ra->offset = kcmd->cmd_offset; + ra->region_noise = kcmd->cmd_region_noise; + ra->chunk_noise = kcmd->cmd_chunk_noise; + ra->thread_delay = kcmd->cmd_thread_delay; + ra->flags = kcmd->cmd_flags; + ra->stats.wr_data = 0; + ra->stats.wr_chunks = 0; + ra->stats.rd_data = 0; + ra->stats.rd_chunks = 0; + ra->region_next = 0; + ra->file = file; + mutex_init(&ra->lock_work, NULL, MUTEX_DEFAULT, NULL); + mutex_init(&ra->lock_ctl, NULL, MUTEX_DEFAULT, NULL); + + (void) zpios_upcall(ra->pre, PHASE_PRE_RUN, ra, 0); + + rc = zpios_dmu_setup(ra); + if (rc) { + mutex_destroy(&ra->lock_ctl); + mutex_destroy(&ra->lock_work); + vmem_free(ra, size); + *run_args = NULL; + } + + return (rc); +} + +static int +zpios_get_work_item(run_args_t *run_args, dmu_obj_t *obj, __u64 *offset, + __u32 *chunk_size, zpios_region_t **region, __u32 flags) +{ + int i, j, count = 0; + unsigned int random_int; + + get_random_bytes(&random_int, sizeof (unsigned int)); + + mutex_enter(&run_args->lock_work); + i = run_args->region_next; + + /* + * XXX: I don't much care for this chunk selection mechansim + * there's the potential to burn a lot of time here doing nothing + * useful while holding the global lock. This could give some + * misleading performance results. I'll fix it latter. + */ + while (count < run_args->region_count) { + __u64 *rw_offset; + zpios_time_t *rw_time; + + j = i % run_args->region_count; + *region = &(run_args->regions[j]); + + if (flags & DMU_WRITE) { + rw_offset = &((*region)->wr_offset); + rw_time = &((*region)->stats.wr_time); + } else { + rw_offset = &((*region)->rd_offset); + rw_time = &((*region)->stats.rd_time); + } + + /* test if region is fully written */ + if (*rw_offset + *chunk_size > (*region)->max_offset) { + i++; + count++; + + if (unlikely(rw_time->stop.ts_sec == 0) && + unlikely(rw_time->stop.ts_nsec == 0)) + rw_time->stop = zpios_timespec_now(); + + continue; + } + + *offset = *rw_offset; + *obj = (*region)->obj; + *rw_offset += *chunk_size; + + /* update ctl structure */ + if (run_args->region_noise) { + get_random_bytes(&random_int, sizeof (unsigned int)); + run_args->region_next += + random_int % run_args->region_noise; + } else { + run_args->region_next++; + } + + mutex_exit(&run_args->lock_work); + return (1); + } + + /* nothing left to do */ + mutex_exit(&run_args->lock_work); + + return (0); +} + +static void +zpios_remove_objset(run_args_t *run_args) +{ + zpios_time_t *t = &(run_args->stats.rm_time); + zpios_region_t *region; + char name[32]; + int rc = 0, i; + + (void) zpios_upcall(run_args->pre, PHASE_PRE_REMOVE, run_args, 0); + t->start = zpios_timespec_now(); + + (void) snprintf(name, 32, "%s/id_%d", run_args->pool, run_args->id); + + if (run_args->flags & DMU_REMOVE) { + if (run_args->flags & DMU_FPP) { + for (i = 0; i < run_args->region_count; i++) { + region = &run_args->regions[i]; + rc = zpios_dmu_object_free(run_args, + region->obj.os, region->obj.obj); + if (rc) + zpios_print(run_args->file, + "Error removing object %d, %d\n", + (int)region->obj.obj, rc); + } + } else { + region = &run_args->regions[0]; + rc = zpios_dmu_object_free(run_args, + region->obj.os, region->obj.obj); + if (rc) + zpios_print(run_args->file, + "Error removing object %d, %d\n", + (int)region->obj.obj, rc); + } + } + + dmu_objset_disown(run_args->os, zpios_tag); + + if (run_args->flags & DMU_REMOVE) { + rc = dsl_destroy_head(name); + if (rc) + zpios_print(run_args->file, "Error dsl_destroy_head" + "(%s, ...) failed: %d\n", name, rc); + } + + t->stop = zpios_timespec_now(); + t->delta = zpios_timespec_sub(t->stop, t->start); + (void) zpios_upcall(run_args->post, PHASE_POST_REMOVE, run_args, rc); +} + +static void +zpios_cleanup_run(run_args_t *run_args) +{ + int i, size = 0; + + if (run_args == NULL) + return; + + if (run_args->threads != NULL) { + for (i = 0; i < run_args->thread_count; i++) { + if (run_args->threads[i]) { + mutex_destroy(&run_args->threads[i]->lock); + kmem_free(run_args->threads[i], + sizeof (thread_data_t)); + } + } + + kmem_free(run_args->threads, + sizeof (thread_data_t *) * run_args->thread_count); + } + + for (i = 0; i < run_args->region_count; i++) + mutex_destroy(&run_args->regions[i].lock); + + mutex_destroy(&run_args->lock_work); + mutex_destroy(&run_args->lock_ctl); + size = run_args->region_count * sizeof (zpios_region_t); + + vmem_free(run_args, sizeof (*run_args) + size); +} + +static int +zpios_dmu_write(run_args_t *run_args, objset_t *os, uint64_t object, + uint64_t offset, uint64_t size, const void *buf) +{ + struct dmu_tx *tx; + int rc, how = TXG_WAIT; +// int flags = 0; + + if (run_args->flags & DMU_WRITE_NOWAIT) + how = TXG_NOWAIT; + + while (1) { + tx = dmu_tx_create(os); + dmu_tx_hold_write(tx, object, offset, size); + rc = dmu_tx_assign(tx, how); + + if (rc) { + if (rc == ERESTART && how == TXG_NOWAIT) { + dmu_tx_wait(tx); + dmu_tx_abort(tx); + continue; + } + zpios_print(run_args->file, + "Error in dmu_tx_assign(), %d", rc); + dmu_tx_abort(tx); + return (rc); + } + break; + } + +// if (run_args->flags & DMU_WRITE_ZC) +// flags |= DMU_WRITE_ZEROCOPY; + + dmu_write(os, object, offset, size, buf, tx); + dmu_tx_commit(tx); + + return (0); +} + +static int +zpios_dmu_read(run_args_t *run_args, objset_t *os, uint64_t object, + uint64_t offset, uint64_t size, void *buf) +{ + int flags = 0; + +// if (run_args->flags & DMU_READ_ZC) +// flags |= DMU_READ_ZEROCOPY; + + if (run_args->flags & DMU_READ_NOPF) + flags |= DMU_READ_NO_PREFETCH; + + return (dmu_read(os, object, offset, size, buf, flags)); +} + +static int +zpios_thread_main(void *data) +{ + thread_data_t *thr = (thread_data_t *)data; + run_args_t *run_args = thr->run_args; + zpios_time_t t; + dmu_obj_t obj; + __u64 offset; + __u32 chunk_size; + zpios_region_t *region; + char *buf; + unsigned int random_int; + int chunk_noise = run_args->chunk_noise; + int chunk_noise_tmp = 0; + int thread_delay = run_args->thread_delay; + int thread_delay_tmp = 0; + int i, rc = 0; + + if (chunk_noise) { + get_random_bytes(&random_int, sizeof (unsigned int)); + chunk_noise_tmp = (random_int % (chunk_noise * 2))-chunk_noise; + } + + /* + * It's OK to vmem_alloc() this memory because it will be copied + * in to the slab and pointers to the slab copy will be setup in + * the bio when the IO is submitted. This of course is not ideal + * since we want a zero-copy IO path if possible. It would be nice + * to have direct access to those slab entries. + */ + chunk_size = run_args->chunk_size + chunk_noise_tmp; + buf = (char *)vmem_alloc(chunk_size, KM_SLEEP); + ASSERT(buf); + + /* Trivial data verification pattern for now. */ + if (run_args->flags & DMU_VERIFY) + memset(buf, 'z', chunk_size); + + /* Write phase */ + mutex_enter(&thr->lock); + thr->stats.wr_time.start = zpios_timespec_now(); + mutex_exit(&thr->lock); + + while (zpios_get_work_item(run_args, &obj, &offset, + &chunk_size, ®ion, DMU_WRITE)) { + if (thread_delay) { + get_random_bytes(&random_int, sizeof (unsigned int)); + thread_delay_tmp = random_int % thread_delay; + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(thread_delay_tmp); /* In jiffies */ + } + + t.start = zpios_timespec_now(); + rc = zpios_dmu_write(run_args, obj.os, obj.obj, + offset, chunk_size, buf); + t.stop = zpios_timespec_now(); + t.delta = zpios_timespec_sub(t.stop, t.start); + + if (rc) { + zpios_print(run_args->file, "IO error while doing " + "dmu_write(): %d\n", rc); + break; + } + + mutex_enter(&thr->lock); + thr->stats.wr_data += chunk_size; + thr->stats.wr_chunks++; + thr->stats.wr_time.delta = zpios_timespec_add( + thr->stats.wr_time.delta, t.delta); + mutex_exit(&thr->lock); + + mutex_enter(®ion->lock); + region->stats.wr_data += chunk_size; + region->stats.wr_chunks++; + region->stats.wr_time.delta = zpios_timespec_add( + region->stats.wr_time.delta, t.delta); + + /* First time region was accessed */ + if (region->init_offset == offset) + region->stats.wr_time.start = t.start; + + mutex_exit(®ion->lock); + } + + mutex_enter(&run_args->lock_ctl); + run_args->threads_done++; + mutex_exit(&run_args->lock_ctl); + + mutex_enter(&thr->lock); + thr->rc = rc; + thr->stats.wr_time.stop = zpios_timespec_now(); + mutex_exit(&thr->lock); + wake_up(&run_args->waitq); + + set_current_state(TASK_UNINTERRUPTIBLE); + schedule(); + + /* Check if we should exit */ + mutex_enter(&thr->lock); + rc = thr->rc; + mutex_exit(&thr->lock); + if (rc) + goto out; + + /* Read phase */ + mutex_enter(&thr->lock); + thr->stats.rd_time.start = zpios_timespec_now(); + mutex_exit(&thr->lock); + + while (zpios_get_work_item(run_args, &obj, &offset, + &chunk_size, ®ion, DMU_READ)) { + if (thread_delay) { + get_random_bytes(&random_int, sizeof (unsigned int)); + thread_delay_tmp = random_int % thread_delay; + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(thread_delay_tmp); /* In jiffies */ + } + + if (run_args->flags & DMU_VERIFY) + memset(buf, 0, chunk_size); + + t.start = zpios_timespec_now(); + rc = zpios_dmu_read(run_args, obj.os, obj.obj, + offset, chunk_size, buf); + t.stop = zpios_timespec_now(); + t.delta = zpios_timespec_sub(t.stop, t.start); + + if (rc) { + zpios_print(run_args->file, "IO error while doing " + "dmu_read(): %d\n", rc); + break; + } + + /* Trivial data verification, expensive! */ + if (run_args->flags & DMU_VERIFY) { + for (i = 0; i < chunk_size; i++) { + if (buf[i] != 'z') { + zpios_print(run_args->file, + "IO verify error: %d/%d/%d\n", + (int)obj.obj, (int)offset, + (int)chunk_size); + break; + } + } + } + + mutex_enter(&thr->lock); + thr->stats.rd_data += chunk_size; + thr->stats.rd_chunks++; + thr->stats.rd_time.delta = zpios_timespec_add( + thr->stats.rd_time.delta, t.delta); + mutex_exit(&thr->lock); + + mutex_enter(®ion->lock); + region->stats.rd_data += chunk_size; + region->stats.rd_chunks++; + region->stats.rd_time.delta = zpios_timespec_add( + region->stats.rd_time.delta, t.delta); + + /* First time region was accessed */ + if (region->init_offset == offset) + region->stats.rd_time.start = t.start; + + mutex_exit(®ion->lock); + } + + mutex_enter(&run_args->lock_ctl); + run_args->threads_done++; + mutex_exit(&run_args->lock_ctl); + + mutex_enter(&thr->lock); + thr->rc = rc; + thr->stats.rd_time.stop = zpios_timespec_now(); + mutex_exit(&thr->lock); + wake_up(&run_args->waitq); + +out: + vmem_free(buf, chunk_size); + do_exit(0); + + return (rc); /* Unreachable, due to do_exit() */ +} + +static int +zpios_thread_done(run_args_t *run_args) +{ + ASSERT(run_args->threads_done <= run_args->thread_count); + return (run_args->threads_done == run_args->thread_count); +} + +static int +zpios_threads_run(run_args_t *run_args) +{ + struct task_struct *tsk, **tsks; + thread_data_t *thr = NULL; + zpios_time_t *tt = &(run_args->stats.total_time); + zpios_time_t *tw = &(run_args->stats.wr_time); + zpios_time_t *tr = &(run_args->stats.rd_time); + int i, rc = 0, tc = run_args->thread_count; + + tsks = kmem_zalloc(sizeof (struct task_struct *) * tc, KM_SLEEP); + if (tsks == NULL) { + rc = -ENOMEM; + goto cleanup2; + } + + run_args->threads = kmem_zalloc(sizeof (thread_data_t *)*tc, KM_SLEEP); + if (run_args->threads == NULL) { + rc = -ENOMEM; + goto cleanup; + } + + init_waitqueue_head(&run_args->waitq); + run_args->threads_done = 0; + + /* Create all the needed threads which will sleep until awoken */ + for (i = 0; i < tc; i++) { + thr = kmem_zalloc(sizeof (thread_data_t), KM_SLEEP); + if (thr == NULL) { + rc = -ENOMEM; + goto taskerr; + } + + thr->thread_no = i; + thr->run_args = run_args; + thr->rc = 0; + mutex_init(&thr->lock, NULL, MUTEX_DEFAULT, NULL); + run_args->threads[i] = thr; + + tsk = kthread_create(zpios_thread_main, (void *)thr, + "%s/%d", "zpios_io", i); + if (IS_ERR(tsk)) { + rc = -EINVAL; + goto taskerr; + } + + tsks[i] = tsk; + } + + tt->start = zpios_timespec_now(); + + /* Wake up all threads for write phase */ + (void) zpios_upcall(run_args->pre, PHASE_PRE_WRITE, run_args, 0); + for (i = 0; i < tc; i++) + wake_up_process(tsks[i]); + + /* Wait for write phase to complete */ + tw->start = zpios_timespec_now(); + wait_event(run_args->waitq, zpios_thread_done(run_args)); + tw->stop = zpios_timespec_now(); + (void) zpios_upcall(run_args->post, PHASE_POST_WRITE, run_args, rc); + + for (i = 0; i < tc; i++) { + thr = run_args->threads[i]; + + mutex_enter(&thr->lock); + + if (!rc && thr->rc) + rc = thr->rc; + + run_args->stats.wr_data += thr->stats.wr_data; + run_args->stats.wr_chunks += thr->stats.wr_chunks; + mutex_exit(&thr->lock); + } + + if (rc) { + /* Wake up all threads and tell them to exit */ + for (i = 0; i < tc; i++) { + mutex_enter(&thr->lock); + thr->rc = rc; + mutex_exit(&thr->lock); + + wake_up_process(tsks[i]); + } + goto out; + } + + mutex_enter(&run_args->lock_ctl); + ASSERT(run_args->threads_done == run_args->thread_count); + run_args->threads_done = 0; + mutex_exit(&run_args->lock_ctl); + + /* Wake up all threads for read phase */ + (void) zpios_upcall(run_args->pre, PHASE_PRE_READ, run_args, 0); + for (i = 0; i < tc; i++) + wake_up_process(tsks[i]); + + /* Wait for read phase to complete */ + tr->start = zpios_timespec_now(); + wait_event(run_args->waitq, zpios_thread_done(run_args)); + tr->stop = zpios_timespec_now(); + (void) zpios_upcall(run_args->post, PHASE_POST_READ, run_args, rc); + + for (i = 0; i < tc; i++) { + thr = run_args->threads[i]; + + mutex_enter(&thr->lock); + + if (!rc && thr->rc) + rc = thr->rc; + + run_args->stats.rd_data += thr->stats.rd_data; + run_args->stats.rd_chunks += thr->stats.rd_chunks; + mutex_exit(&thr->lock); + } +out: + tt->stop = zpios_timespec_now(); + tt->delta = zpios_timespec_sub(tt->stop, tt->start); + tw->delta = zpios_timespec_sub(tw->stop, tw->start); + tr->delta = zpios_timespec_sub(tr->stop, tr->start); + +cleanup: + kmem_free(tsks, sizeof (struct task_struct *) * tc); +cleanup2: + /* Returns first encountered thread error (if any) */ + return (rc); + +taskerr: + /* Destroy all threads that were created successfully */ + for (i = 0; i < tc; i++) + if (tsks[i] != NULL) + (void) kthread_stop(tsks[i]); + + goto cleanup; +} + +static int +zpios_do_one_run(struct file *file, zpios_cmd_t *kcmd, + int data_size, void *data) +{ + run_args_t *run_args = { 0 }; + zpios_stats_t *stats = (zpios_stats_t *)data; + int i, n, m, size, rc; + + if ((!kcmd->cmd_chunk_size) || (!kcmd->cmd_region_size) || + (!kcmd->cmd_thread_count) || (!kcmd->cmd_region_count)) { + zpios_print(file, "Invalid chunk_size, region_size, " + "thread_count, or region_count, %d\n", -EINVAL); + return (-EINVAL); + } + + if (!(kcmd->cmd_flags & DMU_WRITE) || + !(kcmd->cmd_flags & DMU_READ)) { + zpios_print(file, "Invalid flags, minimally DMU_WRITE " + "and DMU_READ must be set, %d\n", -EINVAL); + return (-EINVAL); + } + + if ((kcmd->cmd_flags & (DMU_WRITE_ZC | DMU_READ_ZC)) && + (kcmd->cmd_flags & DMU_VERIFY)) { + zpios_print(file, "Invalid flags, DMU_*_ZC incompatible " + "with DMU_VERIFY, used for performance analysis " + "only, %d\n", -EINVAL); + return (-EINVAL); + } + + /* + * Opaque data on return contains structs of the following form: + * + * zpios_stat_t stats[]; + * stats[0] = run_args->stats; + * stats[1-N] = threads[N]->stats; + * stats[N+1-M] = regions[M]->stats; + * + * Where N is the number of threads, and M is the number of regions. + */ + size = (sizeof (zpios_stats_t) + + (kcmd->cmd_thread_count * sizeof (zpios_stats_t)) + + (kcmd->cmd_region_count * sizeof (zpios_stats_t))); + if (data_size < size) { + zpios_print(file, "Invalid size, command data buffer " + "size too small, (%d < %d)\n", data_size, size); + return (-ENOSPC); + } + + rc = zpios_setup_run(&run_args, kcmd, file); + if (rc) + return (rc); + + rc = zpios_threads_run(run_args); + zpios_remove_objset(run_args); + if (rc) + goto cleanup; + + if (stats) { + n = 1; + m = 1 + kcmd->cmd_thread_count; + stats[0] = run_args->stats; + + for (i = 0; i < kcmd->cmd_thread_count; i++) + stats[n+i] = run_args->threads[i]->stats; + + for (i = 0; i < kcmd->cmd_region_count; i++) + stats[m+i] = run_args->regions[i].stats; + } + +cleanup: + zpios_cleanup_run(run_args); + + (void) zpios_upcall(kcmd->cmd_post, PHASE_POST_RUN, run_args, 0); + + return (rc); +} + +static int +zpios_open(struct inode *inode, struct file *file) +{ + zpios_info_t *info; + + info = (zpios_info_t *)kmem_alloc(sizeof (*info), KM_SLEEP); + if (info == NULL) + return (-ENOMEM); + + spin_lock_init(&info->info_lock); + info->info_size = ZPIOS_INFO_BUFFER_SIZE; + info->info_buffer = + (char *) vmem_alloc(ZPIOS_INFO_BUFFER_SIZE, KM_SLEEP); + if (info->info_buffer == NULL) { + kmem_free(info, sizeof (*info)); + return (-ENOMEM); + } + + info->info_head = info->info_buffer; + file->private_data = (void *)info; + + return (0); +} + +static int +zpios_release(struct inode *inode, struct file *file) +{ + zpios_info_t *info = (zpios_info_t *)file->private_data; + + ASSERT(info); + ASSERT(info->info_buffer); + + vmem_free(info->info_buffer, ZPIOS_INFO_BUFFER_SIZE); + kmem_free(info, sizeof (*info)); + + return (0); +} + +static int +zpios_buffer_clear(struct file *file, zpios_cfg_t *kcfg, unsigned long arg) +{ + zpios_info_t *info = (zpios_info_t *)file->private_data; + + ASSERT(info); + ASSERT(info->info_buffer); + + spin_lock(&info->info_lock); + memset(info->info_buffer, 0, info->info_size); + info->info_head = info->info_buffer; + spin_unlock(&info->info_lock); + + return (0); +} + +static int +zpios_buffer_size(struct file *file, zpios_cfg_t *kcfg, unsigned long arg) +{ + zpios_info_t *info = (zpios_info_t *)file->private_data; + char *buf; + int min, size, rc = 0; + + ASSERT(info); + ASSERT(info->info_buffer); + + spin_lock(&info->info_lock); + if (kcfg->cfg_arg1 > 0) { + + size = kcfg->cfg_arg1; + buf = (char *)vmem_alloc(size, KM_SLEEP); + if (buf == NULL) { + rc = -ENOMEM; + goto out; + } + + /* Zero fill and truncate contents when coping buffer */ + min = ((size < info->info_size) ? size : info->info_size); + memset(buf, 0, size); + memcpy(buf, info->info_buffer, min); + vmem_free(info->info_buffer, info->info_size); + info->info_size = size; + info->info_buffer = buf; + info->info_head = info->info_buffer; + } + + kcfg->cfg_rc1 = info->info_size; + + if (copy_to_user((struct zpios_cfg_t __user *)arg, + kcfg, sizeof (*kcfg))) + rc = -EFAULT; +out: + spin_unlock(&info->info_lock); + + return (rc); +} + +static int +zpios_ioctl_cfg(struct file *file, unsigned long arg) +{ + zpios_cfg_t kcfg; + int rc = 0; + + if (copy_from_user(&kcfg, (zpios_cfg_t *)arg, sizeof (kcfg))) + return (-EFAULT); + + if (kcfg.cfg_magic != ZPIOS_CFG_MAGIC) { + zpios_print(file, "Bad config magic 0x%x != 0x%x\n", + kcfg.cfg_magic, ZPIOS_CFG_MAGIC); + return (-EINVAL); + } + + switch (kcfg.cfg_cmd) { + case ZPIOS_CFG_BUFFER_CLEAR: + /* + * cfg_arg1 - Unused + * cfg_rc1 - Unused + */ + rc = zpios_buffer_clear(file, &kcfg, arg); + break; + case ZPIOS_CFG_BUFFER_SIZE: + /* + * cfg_arg1 - 0 - query size; >0 resize + * cfg_rc1 - Set to current buffer size + */ + rc = zpios_buffer_size(file, &kcfg, arg); + break; + default: + zpios_print(file, "Bad config command %d\n", + kcfg.cfg_cmd); + rc = -EINVAL; + break; + } + + return (rc); +} + +static int +zpios_ioctl_cmd(struct file *file, unsigned long arg) +{ + zpios_cmd_t *kcmd; + void *data = NULL; + int rc = -EINVAL; + + kcmd = kmem_alloc(sizeof (zpios_cmd_t), KM_SLEEP); + if (kcmd == NULL) { + zpios_print(file, "Unable to kmem_alloc() %ld byte for " + "zpios_cmd_t\n", (long int)sizeof (zpios_cmd_t)); + return (-ENOMEM); + } + + rc = copy_from_user(kcmd, (zpios_cfg_t *)arg, sizeof (zpios_cmd_t)); + if (rc) { + zpios_print(file, "Unable to copy command structure " + "from user to kernel memory, %d\n", rc); + goto out_cmd; + } + + if (kcmd->cmd_magic != ZPIOS_CMD_MAGIC) { + zpios_print(file, "Bad command magic 0x%x != 0x%x\n", + kcmd->cmd_magic, ZPIOS_CFG_MAGIC); + rc = (-EINVAL); + goto out_cmd; + } + + /* Allocate memory for any opaque data the caller needed to pass on */ + if (kcmd->cmd_data_size > 0) { + data = (void *)vmem_alloc(kcmd->cmd_data_size, KM_SLEEP); + if (data == NULL) { + zpios_print(file, "Unable to vmem_alloc() %ld " + "bytes for data buffer\n", + (long)kcmd->cmd_data_size); + rc = -ENOMEM; + goto out_cmd; + } + + rc = copy_from_user(data, (void *)(arg + offsetof(zpios_cmd_t, + cmd_data_str)), kcmd->cmd_data_size); + if (rc) { + zpios_print(file, "Unable to copy data buffer " + "from user to kernel memory, %d\n", rc); + goto out_data; + } + } + + rc = zpios_do_one_run(file, kcmd, kcmd->cmd_data_size, data); + + if (data != NULL) { + /* If the test failed do not print out the stats */ + if (rc) + goto out_data; + + rc = copy_to_user((void *)(arg + offsetof(zpios_cmd_t, + cmd_data_str)), data, kcmd->cmd_data_size); + if (rc) { + zpios_print(file, "Unable to copy data buffer " + "from kernel to user memory, %d\n", rc); + rc = -EFAULT; + } + +out_data: + vmem_free(data, kcmd->cmd_data_size); + } +out_cmd: + kmem_free(kcmd, sizeof (zpios_cmd_t)); + + return (rc); +} + +static long +zpios_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int rc = 0; + + /* Ignore tty ioctls */ + if ((cmd & 0xffffff00) == ((int)'T') << 8) + return (-ENOTTY); + + switch (cmd) { + case ZPIOS_CFG: + rc = zpios_ioctl_cfg(file, arg); + break; + case ZPIOS_CMD: + rc = zpios_ioctl_cmd(file, arg); + break; + default: + zpios_print(file, "Bad ioctl command %d\n", cmd); + rc = -EINVAL; + break; + } + + return (rc); +} + +#ifdef CONFIG_COMPAT +/* Compatibility handler for ioctls from 32-bit ELF binaries */ +static long +zpios_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + return (zpios_unlocked_ioctl(file, cmd, arg)); +} +#endif /* CONFIG_COMPAT */ + +/* + * I'm not sure why you would want to write in to this buffer from + * user space since its principle use is to pass test status info + * back to the user space, but I don't see any reason to prevent it. + */ +static ssize_t +zpios_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + zpios_info_t *info = (zpios_info_t *)file->private_data; + int rc = 0; + + ASSERT(info); + ASSERT(info->info_buffer); + + spin_lock(&info->info_lock); + + /* Write beyond EOF */ + if (*ppos >= info->info_size) { + rc = -EFBIG; + goto out; + } + + /* Resize count if beyond EOF */ + if (*ppos + count > info->info_size) + count = info->info_size - *ppos; + + if (copy_from_user(info->info_buffer, buf, count)) { + rc = -EFAULT; + goto out; + } + + *ppos += count; + rc = count; +out: + spin_unlock(&info->info_lock); + return (rc); +} + +static ssize_t +zpios_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) +{ + zpios_info_t *info = (zpios_info_t *)file->private_data; + int rc = 0; + + ASSERT(info); + ASSERT(info->info_buffer); + + spin_lock(&info->info_lock); + + /* Read beyond EOF */ + if (*ppos >= info->info_size) + goto out; + + /* Resize count if beyond EOF */ + if (*ppos + count > info->info_size) + count = info->info_size - *ppos; + + if (copy_to_user(buf, info->info_buffer + *ppos, count)) { + rc = -EFAULT; + goto out; + } + + *ppos += count; + rc = count; +out: + spin_unlock(&info->info_lock); + return (rc); +} + +static loff_t zpios_seek(struct file *file, loff_t offset, int origin) +{ + zpios_info_t *info = (zpios_info_t *)file->private_data; + int rc = -EINVAL; + + ASSERT(info); + ASSERT(info->info_buffer); + + spin_lock(&info->info_lock); + + switch (origin) { + case 0: /* SEEK_SET - No-op just do it */ + break; + case 1: /* SEEK_CUR - Seek from current */ + offset = file->f_pos + offset; + break; + case 2: /* SEEK_END - Seek from end */ + offset = info->info_size + offset; + break; + } + + if (offset >= 0) { + file->f_pos = offset; + file->f_version = 0; + rc = offset; + } + + spin_unlock(&info->info_lock); + + return (rc); +} + +static struct file_operations zpios_fops = { + .owner = THIS_MODULE, + .open = zpios_open, + .release = zpios_release, + .unlocked_ioctl = zpios_unlocked_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = zpios_compat_ioctl, +#endif + .read = zpios_read, + .write = zpios_write, + .llseek = zpios_seek, +}; + +static struct miscdevice zpios_misc = { + .minor = MISC_DYNAMIC_MINOR, + .name = ZPIOS_NAME, + .fops = &zpios_fops, +}; + +#ifdef DEBUG +#define ZFS_DEBUG_STR " (DEBUG mode)" +#else +#define ZFS_DEBUG_STR "" +#endif + +static int __init +zpios_init(void) +{ + int error; + + error = misc_register(&zpios_misc); + if (error) { + printk(KERN_INFO "ZPIOS: misc_register() failed %d\n", error); + } else { + printk(KERN_INFO "ZPIOS: Loaded module v%s-%s%s\n", + ZFS_META_VERSION, ZFS_META_RELEASE, ZFS_DEBUG_STR); + } + + return (error); +} + +static void __exit +zpios_fini(void) +{ + misc_deregister(&zpios_misc); + + printk(KERN_INFO "ZPIOS: Unloaded module v%s-%s%s\n", + ZFS_META_VERSION, ZFS_META_RELEASE, ZFS_DEBUG_STR); +} + +module_init(zpios_init); +module_exit(zpios_fini); + +MODULE_AUTHOR("LLNL / Sun"); +MODULE_DESCRIPTION("Kernel PIOS implementation"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); diff --git a/zfs/zfs.release.in b/zfs/zfs.release.in new file mode 100644 index 000000000000..82130799da0d --- /dev/null +++ b/zfs/zfs.release.in @@ -0,0 +1 @@ +@ZFS_META_VERSION@-@ZFS_META_RELEASE@ diff --git a/zfs/zfs_config.h.in b/zfs/zfs_config.h.in new file mode 100644 index 000000000000..7b9a0e21c66e --- /dev/null +++ b/zfs/zfs_config.h.in @@ -0,0 +1,527 @@ +/* zfs_config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 to enabled dmu tx validation */ +#undef DEBUG_DMU_TX + +/* bio_end_io_t wants 1 arg */ +#undef HAVE_1ARG_BIO_END_IO_T + +/* invalidate_bdev() wants 1 arg */ +#undef HAVE_1ARG_INVALIDATE_BDEV + +/* kmap_atomic wants 1 args */ +#undef HAVE_1ARG_KMAP_ATOMIC + +/* lookup_bdev() wants 1 arg */ +#undef HAVE_1ARG_LOOKUP_BDEV + +/* submit_bio() wants 1 arg */ +#undef HAVE_1ARG_SUBMIT_BIO + +/* bdi_setup_and_register() wants 2 args */ +#undef HAVE_2ARGS_BDI_SETUP_AND_REGISTER + +/* lookup_bdev() wants 2 args */ +#undef HAVE_2ARGS_LOOKUP_BDEV + +/* bdi_setup_and_register() wants 3 args */ +#undef HAVE_3ARGS_BDI_SETUP_AND_REGISTER + +/* blkdev_get() wants 3 args */ +#undef HAVE_3ARG_BLKDEV_GET + +/* sget() wants 5 args */ +#undef HAVE_5ARG_SGET + +/* security_inode_init_security wants 6 args */ +#undef HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY + +/* dops->automount() exists */ +#undef HAVE_AUTOMOUNT + +/* struct block_device_operations use bdevs */ +#undef HAVE_BDEV_BLOCK_DEVICE_OPERATIONS + +/* bdev_logical_block_size() is available */ +#undef HAVE_BDEV_LOGICAL_BLOCK_SIZE + +/* bdev_physical_block_size() is available */ +#undef HAVE_BDEV_PHYSICAL_BLOCK_SIZE + +/* bio->bi_opf is defined */ +#undef HAVE_BIO_BI_OPF + +/* bio has bi_iter */ +#undef HAVE_BIO_BVEC_ITER + +/* BIO_RW_BARRIER is defined */ +#undef HAVE_BIO_RW_BARRIER + +/* BIO_RW_DISCARD is defined */ +#undef HAVE_BIO_RW_DISCARD + +/* BIO_RW_FAILFAST_* are defined */ +#undef HAVE_BIO_RW_FAILFAST_DTD + +/* bio_set_op_attrs is available */ +#undef HAVE_BIO_SET_OP_ATTRS + +/* blkdev_get_by_path() is available */ +#undef HAVE_BLKDEV_GET_BY_PATH + +/* blk_queue_flush() is available */ +#undef HAVE_BLK_QUEUE_FLUSH + +/* blk_queue_flush() is GPL-only */ +#undef HAVE_BLK_QUEUE_FLUSH_GPL_ONLY + +/* BIO_RW_UNPLUG is available */ +#undef HAVE_BLK_QUEUE_HAVE_BIO_RW_UNPLUG + +/* struct blk_plug is available */ +#undef HAVE_BLK_QUEUE_HAVE_BLK_PLUG + +/* blk_queue_max_hw_sectors() is available */ +#undef HAVE_BLK_QUEUE_MAX_HW_SECTORS + +/* blk_queue_max_segments() is available */ +#undef HAVE_BLK_QUEUE_MAX_SEGMENTS + +/* blk_queue_write_cache() exists */ +#undef HAVE_BLK_QUEUE_WRITE_CACHE + +/* blk_queue_write_cache() is GPL-only */ +#undef HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY + +/* struct block_device_operations.release returns void */ +#undef HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID + +/* security_inode_init_security wants callback */ +#undef HAVE_CALLBACK_SECURITY_INODE_INIT_SECURITY + +/* iops->check_acl() exists */ +#undef HAVE_CHECK_ACL + +/* iops->check_acl() wants flags */ +#undef HAVE_CHECK_ACL_WITH_FLAGS + +/* check_disk_size_change() is available */ +#undef HAVE_CHECK_DISK_SIZE_CHANGE + +/* clear_inode() is available */ +#undef HAVE_CLEAR_INODE + +/* eops->commit_metadata() exists */ +#undef HAVE_COMMIT_METADATA + +/* dentry uses const struct dentry_operations */ +#undef HAVE_CONST_DENTRY_OPERATIONS + +/* super_block uses const struct xattr_handler */ +#undef HAVE_CONST_XATTR_HANDLER + +/* iops->create() passes nameidata */ +#undef HAVE_CREATE_NAMEIDATA + +/* current->bio_list exists */ +#undef HAVE_CURRENT_BIO_LIST + +/* current->bio_tail exists */ +#undef HAVE_CURRENT_BIO_TAIL + +/* DECLARE_EVENT_CLASS() is available */ +#undef HAVE_DECLARE_EVENT_CLASS + +/* sops->dirty_inode() wants flags */ +#undef HAVE_DIRTY_INODE_WITH_FLAGS + +/* ql->discard_granularity is available */ +#undef HAVE_DISCARD_GRANULARITY + +/* Define to 1 if you have the header file. */ +#undef HAVE_DLFCN_H + +/* d_make_root() is available */ +#undef HAVE_D_MAKE_ROOT + +/* d_obtain_alias() is available */ +#undef HAVE_D_OBTAIN_ALIAS + +/* d_prune_aliases() is available */ +#undef HAVE_D_PRUNE_ALIASES + +/* dops->d_revalidate() operation takes nameidata */ +#undef HAVE_D_REVALIDATE_NAMEIDATA + +/* d_set_d_op() is available */ +#undef HAVE_D_SET_D_OP + +/* elevator_change() is available */ +#undef HAVE_ELEVATOR_CHANGE + +/* eops->encode_fh() wants child and parent inodes */ +#undef HAVE_ENCODE_FH_WITH_INODE + +/* sops->evict_inode() exists */ +#undef HAVE_EVICT_INODE + +/* fops->aio_fsync() exists */ +#undef HAVE_FILE_AIO_FSYNC + +/* fops->fallocate() exists */ +#undef HAVE_FILE_FALLOCATE + +/* file_inode() is available */ +#undef HAVE_FILE_INODE + +/* kernel defines fmode_t */ +#undef HAVE_FMODE_T + +/* follow_down_one() is available */ +#undef HAVE_FOLLOW_DOWN_ONE + +/* iops->follow_link() cookie */ +#undef HAVE_FOLLOW_LINK_COOKIE + +/* iops->follow_link() nameidata */ +#undef HAVE_FOLLOW_LINK_NAMEIDATA + +/* sops->free_cached_objects() exists */ +#undef HAVE_FREE_CACHED_OBJECTS + +/* fops->fsync() with range */ +#undef HAVE_FSYNC_RANGE + +/* fops->fsync() without dentry */ +#undef HAVE_FSYNC_WITHOUT_DENTRY + +/* fops->fsync() with dentry */ +#undef HAVE_FSYNC_WITH_DENTRY + +/* generic_start_io_acct()/generic_end_io_acct() avaliable */ +#undef HAVE_GENERIC_IO_ACCT + +/* generic_readlink is global */ +#undef HAVE_GENERIC_READLINK + +/* generic_setxattr() exists */ +#undef HAVE_GENERIC_SETXATTR + +/* generic_write_checks() takes kiocb */ +#undef HAVE_GENERIC_WRITE_CHECKS_KIOCB + +/* iops->get_acl() exists */ +#undef HAVE_GET_ACL + +/* blk_disk_ro() is available */ +#undef HAVE_GET_DISK_RO + +/* get_gendisk() is available */ +#undef HAVE_GET_GENDISK + +/* iops->get_link() cookie */ +#undef HAVE_GET_LINK_COOKIE + +/* iops->get_link() delayed */ +#undef HAVE_GET_LINK_DELAYED + +/* fops->fallocate() exists */ +#undef HAVE_INODE_FALLOCATE + +/* inode_owner_or_capable() exists */ +#undef HAVE_INODE_OWNER_OR_CAPABLE + +/* iops->truncate_range() exists */ +#undef HAVE_INODE_TRUNCATE_RANGE + +/* insert_inode_locked() is available */ +#undef HAVE_INSERT_INODE_LOCKED + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* is_owner_or_cap() exists */ +#undef HAVE_IS_OWNER_OR_CAP + +/* uncached_acl_sentinel() exists */ +#undef HAVE_KERNEL_GET_ACL_HANDLE_CACHE + +/* kernel defines KOBJ_NAME_LEN */ +#undef HAVE_KOBJ_NAME_LEN + +/* kernel has large stacks */ +#undef HAVE_LARGE_STACKS + +/* Define if you have libblkid */ +#undef HAVE_LIBBLKID + +/* Define if you have libuuid */ +#undef HAVE_LIBUUID + +/* Define to 1 if you have the `z' library (-lz). */ +#undef HAVE_LIBZ + +/* iops->lookup() passes nameidata */ +#undef HAVE_LOOKUP_NAMEIDATA + +/* lseek_execute() is available */ +#undef HAVE_LSEEK_EXECUTE + +/* Noting that make_request_fn() returns int */ +#undef HAVE_MAKE_REQUEST_FN_RET_INT + +/* Noting that make_request_fn() returns blk_qc_t */ +#undef HAVE_MAKE_REQUEST_FN_RET_QC + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* iops->create()/mkdir()/mknod() take umode_t */ +#undef HAVE_MKDIR_UMODE_T + +/* Define to 1 if you have the `mlockall' function. */ +#undef HAVE_MLOCKALL + +/* mount_nodev() is available */ +#undef HAVE_MOUNT_NODEV + +/* sops->nr_cached_objects() exists */ +#undef HAVE_NR_CACHED_OBJECTS + +/* open_bdev_exclusive() is available */ +#undef HAVE_OPEN_BDEV_EXCLUSIVE + +/* iops->permission() exists */ +#undef HAVE_PERMISSION + +/* iops->permission() with nameidata exists */ +#undef HAVE_PERMISSION_WITH_NAMEIDATA + +/* posix_acl_chmod() exists */ +#undef HAVE_POSIX_ACL_CHMOD + +/* posix_acl_equiv_mode wants umode_t* */ +#undef HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T + +/* posix_acl_from_xattr() needs user_ns */ +#undef HAVE_POSIX_ACL_FROM_XATTR_USERNS + +/* posix_acl_release() is available */ +#undef HAVE_POSIX_ACL_RELEASE + +/* posix_acl_release() is GPL-only */ +#undef HAVE_POSIX_ACL_RELEASE_GPL_ONLY + +/* posix_acl_valid() wants user namespace */ +#undef HAVE_POSIX_ACL_VALID_WITH_NS + +/* iops->put_link() cookie */ +#undef HAVE_PUT_LINK_COOKIE + +/* iops->put_link() delayed */ +#undef HAVE_PUT_LINK_DELAYED + +/* iops->put_link() nameidata */ +#undef HAVE_PUT_LINK_NAMEIDATA + +/* iops->rename() wants flags */ +#undef HAVE_RENAME_WANTS_FLAGS + +/* REQ_FAILFAST_MASK is defined */ +#undef HAVE_REQ_FAILFAST_MASK + +/* REQ_OP_DISCARD is defined */ +#undef HAVE_REQ_OP_DISCARD + +/* REQ_OP_FLUSH is defined */ +#undef HAVE_REQ_OP_FLUSH + +/* REQ_OP_SECURE_ERASE is defined */ +#undef HAVE_REQ_OP_SECURE_ERASE + +/* setattr_prepare() is available */ +#undef HAVE_SETATTR_PREPARE + +/* iops->set_acl() exists */ +#undef HAVE_SET_ACL + +/* posix_acl_release() is usable */ +#undef HAVE_SET_CACHED_ACL_USABLE + +/* set_nlink() is available */ +#undef HAVE_SET_NLINK + +/* sops->show_options() with dentry */ +#undef HAVE_SHOW_OPTIONS_WITH_DENTRY + +/* struct super_block has s_shrink */ +#undef HAVE_SHRINK + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* struct super_block has s_d_op */ +#undef HAVE_S_D_OP + +/* struct super_block has s_instances list_head */ +#undef HAVE_S_INSTANCES_LIST_HEAD + +/* truncate_setsize() is available */ +#undef HAVE_TRUNCATE_SETSIZE + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* fops->iterate() is available */ +#undef HAVE_VFS_ITERATE + +/* fops->iterate_shared() is available */ +#undef HAVE_VFS_ITERATE_SHARED + +/* fops->readdir() is available */ +#undef HAVE_VFS_READDIR + +/* fops->read/write_iter() are available */ +#undef HAVE_VFS_RW_ITERATE + +/* xattr_handler->get() wants dentry */ +#undef HAVE_XATTR_GET_DENTRY + +/* xattr_handler->get() wants both dentry and inode */ +#undef HAVE_XATTR_GET_DENTRY_INODE + +/* xattr_handler->get() wants xattr_handler */ +#undef HAVE_XATTR_GET_HANDLER + +/* xattr_handler->get() wants inode */ +#undef HAVE_XATTR_GET_INODE + +/* xattr_handler has name */ +#undef HAVE_XATTR_HANDLER_NAME + +/* xattr_handler->list() wants dentry */ +#undef HAVE_XATTR_LIST_DENTRY + +/* xattr_handler->list() wants xattr_handler */ +#undef HAVE_XATTR_LIST_HANDLER + +/* xattr_handler->list() wants inode */ +#undef HAVE_XATTR_LIST_INODE + +/* xattr_handler->list() wants simple */ +#undef HAVE_XATTR_LIST_SIMPLE + +/* xattr_handler->set() wants dentry */ +#undef HAVE_XATTR_SET_DENTRY + +/* xattr_handler->set() wants both dentry and inode */ +#undef HAVE_XATTR_SET_DENTRY_INODE + +/* xattr_handler->set() wants xattr_handler */ +#undef HAVE_XATTR_SET_HANDLER + +/* xattr_handler->set() wants inode */ +#undef HAVE_XATTR_SET_INODE + +/* Define if you have zlib */ +#undef HAVE_ZLIB + +/* __posix_acl_chmod() exists */ +#undef HAVE___POSIX_ACL_CHMOD + +/* Define to the sub-directory where libtool stores uninstalled libraries. */ +#undef LT_OBJDIR + +/* make_request_fn() returns blk_qc_t */ +#undef MAKE_REQUEST_FN_RET + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* struct shrink_control has nid */ +#undef SHRINK_CONTROL_HAS_NID + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION + +/* zfs debugging enabled */ +#undef ZFS_DEBUG + +/* Define to 1 if GPL-only symbols can be used */ +#undef ZFS_IS_GPL_COMPATIBLE + +/* Define the project alias string. */ +#undef ZFS_META_ALIAS + +/* Define the project author. */ +#undef ZFS_META_AUTHOR + +/* Define the project release date. */ +#undef ZFS_META_DATA + +/* Define the project license. */ +#undef ZFS_META_LICENSE + +/* Define the libtool library 'age' version information. */ +#undef ZFS_META_LT_AGE + +/* Define the libtool library 'current' version information. */ +#undef ZFS_META_LT_CURRENT + +/* Define the libtool library 'revision' version information. */ +#undef ZFS_META_LT_REVISION + +/* Define the project name. */ +#undef ZFS_META_NAME + +/* Define the project release. */ +#undef ZFS_META_RELEASE + +/* Define the project version. */ +#undef ZFS_META_VERSION + + +#undef PACKAGE +#undef PACKAGE_BUGREPORT +#undef PACKAGE_NAME +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME +#undef PACKAGE_VERSION +#undef STDC_HEADERS +#undef VERSION -- 2.39.5